_read_flags+0x160/0x160 [ 373.668675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.674217] ? check_preemption_disabled+0x48/0x280 [ 373.679256] ? __lock_is_held+0xb5/0x140 [ 373.683332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.688882] ? check_preemption_disabled+0x48/0x280 [ 373.693914] run_timer_softirq+0x52/0xb0 [ 373.697990] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.703007] __do_softirq+0x308/0xb7e [ 373.706824] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 373.711315] ? lock_downgrade+0x900/0x900 [ 373.715471] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.720602] ? pvclock_read_flags+0x160/0x160 [ 373.725100] ? lapic_next_event+0x5a/0x90 [ 373.729253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.734797] ? kvm_clock_read+0x18/0x30 [ 373.738786] ? kvm_sched_clock_read+0x9/0x20 [ 373.743200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.748738] ? check_preemption_disabled+0x48/0x280 [ 373.753765] irq_exit+0x17f/0x1c0 [ 373.757225] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.762095] ? smp_reschedule_interrupt+0x109/0x650 [ 373.767114] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.773011] ? interrupt_entry+0xb5/0xc0 [ 373.777087] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.782108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.787128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.791971] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.796990] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.802009] ? task_prio+0x50/0x50 [ 373.805551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.811090] ? check_preemption_disabled+0x48/0x280 [ 373.816108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.820971] apic_timer_interrupt+0xf/0x20 [ 373.825197] [ 373.827455] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.832394] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 373.851317] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 373.859039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.866306] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 373.873573] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 373.880848] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.888127] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 373.895462] skb_clone+0x1bb/0x500 [ 373.899023] ? skb_split+0x11e0/0x11e0 [ 373.902936] ? preempt_notifier_register+0x200/0x200 [ 373.908037] ? __switch_to_asm+0x34/0x70 [ 373.912096] ? __switch_to_asm+0x34/0x70 [ 373.916163] ? __switch_to_asm+0x40/0x70 [ 373.920222] ? __switch_to_asm+0x34/0x70 [ 373.924280] ? __switch_to_asm+0x40/0x70 [ 373.928338] ? __switch_to_asm+0x40/0x70 [ 373.932414] ? __switch_to_asm+0x34/0x70 [ 373.936477] ? __switch_to_asm+0x34/0x70 [ 373.940537] ? __switch_to_asm+0x40/0x70 [ 373.944603] ? __switch_to_asm+0x34/0x70 [ 373.948669] bpf_clone_redirect+0xb9/0x490 [ 373.952917] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 373.957934] ? __sched_text_start+0x8/0x8 [ 373.962081] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.966854] ? find_held_lock+0x36/0x1c0 [ 373.970928] ? lock_acquire+0x1ed/0x520 [ 373.974909] ? bpf_test_run+0x3ee/0x7a0 [ 373.978887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.984449] ? check_preemption_disabled+0x48/0x280 [ 373.989472] ? kasan_check_read+0x11/0x20 [ 373.993649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.998985] ? rcu_softirq_qs+0x20/0x20 [ 374.002963] ? preempt_schedule+0x4d/0x60 [ 374.007108] ? ___preempt_schedule+0x16/0x18 [ 374.011522] ? bpf_test_run+0x271/0x7a0 [ 374.015509] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.019919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.025476] ? bpf_test_init.isra.10+0x70/0x100 [ 374.030167] ? bpf_prog_test_run_skb+0x762/0xd60 [ 374.034935] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.039790] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.045329] ? fput+0x130/0x1a0 [ 374.048613] ? __bpf_prog_get+0x9b/0x290 [ 374.052678] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.057524] ? bpf_prog_test_run+0x130/0x1a0 [ 374.061933] ? __x64_sys_bpf+0x3d8/0x520 [ 374.066002] ? bpf_prog_get+0x20/0x20 [ 374.069842] ? do_syscall_64+0x1b9/0x820 [ 374.073902] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.079286] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.084217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.089077] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.094104] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.099118] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.104137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.108983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.114363] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 374.114472] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.121315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.121320] Call Trace: [ 374.121339] dump_stack+0x244/0x39d [ 374.121363] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.127901] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.137197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.139759] syz-executor2 cpuset=syz2 mems_allowed=0 [ 374.143393] warn_alloc.cold.116+0xb7/0x1bd [ 374.173969] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.178817] ? lock_downgrade+0x900/0x900 [ 374.182987] ? trace_hardirqs_off+0xb8/0x310 [ 374.187410] ? trace_hardirqs_off+0xb8/0x310 [ 374.192347] __alloc_pages_slowpath+0x2651/0x2de0 [ 374.197224] ? warn_alloc+0x120/0x120 [ 374.201045] ? print_usage_bug+0xc0/0xc0 [ 374.205106] ? warn_alloc+0x120/0x120 [ 374.208922] ? warn_alloc+0x120/0x120 [ 374.212725] ? print_usage_bug+0xc0/0xc0 [ 374.216792] ? print_usage_bug+0xc0/0xc0 [ 374.220856] ? __lock_acquire+0x62f/0x4c20 [ 374.225097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.230634] ? should_fail+0x22d/0xd01 [ 374.234529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.239633] ? __lock_acquire+0x62f/0x4c20 [ 374.243887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.248997] ? __lock_acquire+0x62f/0x4c20 [ 374.253233] ? should_fail+0x22d/0xd01 [ 374.257123] ? find_held_lock+0x36/0x1c0 [ 374.261197] ? mark_held_locks+0x130/0x130 [ 374.265444] ? mark_held_locks+0x130/0x130 [ 374.269682] ? zap_class+0x640/0x640 [ 374.273411] ? mark_held_locks+0xc7/0x130 [ 374.277562] ? do_raw_spin_unlock+0xa7/0x330 [ 374.281974] ? zap_class+0x640/0x640 [ 374.285690] ? print_usage_bug+0xc0/0xc0 [ 374.289756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.295298] ? check_preemption_disabled+0x48/0x280 [ 374.300327] ? __lock_is_held+0xb5/0x140 [ 374.304402] __alloc_pages_nodemask+0xad8/0xea0 [ 374.309105] ? zap_class+0x640/0x640 [ 374.312825] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 374.317873] ? find_held_lock+0x36/0x1c0 [ 374.321947] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.326617] ? lock_downgrade+0x900/0x900 [ 374.330776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.336326] cache_grow_begin+0xa5/0x8c0 [ 374.340395] ? do_raw_spin_unlock+0xa7/0x330 [ 374.344831] fallback_alloc+0x204/0x2e0 [ 374.348840] ____cache_alloc_node+0x1c7/0x1e0 [ 374.353344] kmem_cache_alloc_node+0xe3/0x730 [ 374.357840] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.362090] __alloc_skb+0x119/0x770 [ 374.365818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.371141] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.375549] ? lock_downgrade+0x900/0x900 [ 374.379707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.385249] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.390703] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.396157] ? addrconf_rs_timer+0x690/0x690 [ 374.400581] ndisc_alloc_skb+0x144/0x340 [ 374.404647] ndisc_send_rs+0x331/0x6e0 [ 374.408542] addrconf_rs_timer+0x314/0x690 [ 374.412785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.417050] call_timer_fn+0x272/0x920 [ 374.420955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.425189] ? process_timeout+0x40/0x40 [ 374.429276] ? __run_timers+0x7da/0xc70 [ 374.433256] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.437781] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.442277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.446515] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.451104] ? trace_hardirqs_on+0xbd/0x310 [ 374.455426] ? kasan_check_read+0x11/0x20 [ 374.459573] ? __run_timers+0x7da/0xc70 [ 374.463550] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.468657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.472903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.477144] __run_timers+0x7e5/0xc70 [ 374.480985] ? timer_fixup_init+0x70/0x70 [ 374.485166] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.489662] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.494162] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.498746] ? trace_hardirqs_on+0xbd/0x310 [ 374.503075] ? kasan_check_read+0x11/0x20 [ 374.507226] ? finish_task_switch+0x1f4/0x910 [ 374.511725] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.516827] ? compat_start_thread+0x80/0x80 [ 374.521259] ? pvclock_read_flags+0x160/0x160 [ 374.525754] ? __switch_to_asm+0x34/0x70 [ 374.529818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.535360] ? check_preemption_disabled+0x48/0x280 [ 374.540404] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 374.545948] ? rcu_pm_notify+0xc0/0xc0 [ 374.549840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.555383] ? check_preemption_disabled+0x48/0x280 [ 374.560421] run_timer_softirq+0x52/0xb0 [ 374.564485] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.569509] __do_softirq+0x308/0xb7e [ 374.573313] ? retint_kernel+0x2d/0x2d [ 374.577206] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.582312] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.587763] ? retint_kernel+0x2d/0x2d [ 374.591658] ? schedule+0x108/0x460 [ 374.595296] ? trace_hardirqs_off+0xb8/0x310 [ 374.599708] ? smpboot_thread_fn+0x68b/0xa00 [ 374.604117] ? trace_hardirqs_on+0x310/0x310 [ 374.608531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.614075] ? check_preemption_disabled+0x48/0x280 [ 374.619094] ? takeover_tasklets+0xa90/0xa90 [ 374.623505] run_ksoftirqd+0x5e/0x100 [ 374.627308] smpboot_thread_fn+0x68b/0xa00 [ 374.631549] ? sort_range+0x30/0x30 [ 374.635177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.640291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.645831] ? __kthread_parkme+0xfb/0x1a0 [ 374.650088] ? sort_range+0x30/0x30 [ 374.653714] kthread+0x35a/0x440 [ 374.657082] ? kthread_stop+0x900/0x900 [ 374.661060] ret_from_fork+0x3a/0x50 [ 374.664789] warn_alloc_show_mem: 1 callbacks suppressed [ 374.664802] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 374.664803] Mem-Info: [ 374.664836] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 374.664836] active_file:133 inactive_file:117 isolated_file:0 [ 374.664836] unevictable:0 dirty:3 writeback:0 unstable:0 [ 374.664836] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 374.664836] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 374.664836] free:13727 free_pcp:164 free_cma:0 [ 374.670169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.677545] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 374.679914] Call Trace: [ 374.679949] [ 374.713172] 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 [ 374.722559] dump_stack+0x244/0x39d [ 374.750303] lowmem_reserve[]: 0 2818 6321 6321 [ 374.752899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.755031] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 374.781137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.784739] lowmem_reserve[]: 0 0 3503 3503 [ 374.789321] warn_alloc.cold.116+0xb7/0x1bd [ 374.794488] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 374.822068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.827596] lowmem_reserve[]: 0 0 0 0 [ 374.831915] ? lock_downgrade+0x900/0x900 [ 374.836214] 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 [ 374.865473] ? trace_hardirqs_off+0xb8/0x310 [ 374.870290] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 374.874084] ? trace_hardirqs_off+0xb8/0x310 [ 374.878209] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 374.891743] __alloc_pages_slowpath+0x2651/0x2de0 [ 374.896129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.911480] ? warn_alloc+0x120/0x120 [ 374.915851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.929363] ? print_usage_bug+0xc0/0xc0 [ 374.934180] 2220 total pagecache pages [ 374.943010] ? warn_alloc+0x120/0x120 [ 374.946824] 0 pages in swap cache [ 374.955418] ? warn_alloc+0x120/0x120 [ 374.959453] Swap cache stats: add 0, delete 0, find 0/0 [ 374.963332] ? print_usage_bug+0xc0/0xc0 [ 374.967107] Free swap = 0kB [ 374.970570] ? print_usage_bug+0xc0/0xc0 [ 374.974375] Total swap = 0kB [ 374.979741] ? __lock_acquire+0x62f/0x4c20 [ 374.983775] 1965979 pages RAM [ 374.986784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.990817] 0 pages HighMem/MovableOnly [ 374.993833] ? should_fail+0x22d/0xd01 [ 374.998040] 342854 pages reserved [ 375.001138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.006664] 0 pages cma reserved [ 375.010630] ? __lock_acquire+0x62f/0x4c20 [ 375.014564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.017941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.023101] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.026394] ? __lock_acquire+0x62f/0x4c20 [ 375.030606] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 375.037088] ? should_fail+0x22d/0xd01 [ 375.037104] ? find_held_lock+0x36/0x1c0 [ 375.069827] ? mark_held_locks+0x130/0x130 [ 375.074071] ? mark_held_locks+0x130/0x130 [ 375.078308] ? zap_class+0x640/0x640 [ 375.082021] ? zap_class+0x640/0x640 [ 375.085738] ? print_usage_bug+0xc0/0xc0 [ 375.089796] ? do_raw_spin_unlock+0xa7/0x330 [ 375.094223] ? zap_class+0x640/0x640 [ 375.097935] ? print_usage_bug+0xc0/0xc0 [ 375.101993] ? wq_watchdog_touch+0x9c/0xfe [ 375.106230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.111770] ? check_preemption_disabled+0x48/0x280 [ 375.116810] ? __lock_is_held+0xb5/0x140 [ 375.120879] __alloc_pages_nodemask+0xad8/0xea0 [ 375.125547] ? zap_class+0x640/0x640 [ 375.129279] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 375.134322] ? find_held_lock+0x36/0x1c0 [ 375.138400] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.143090] ? lock_downgrade+0x900/0x900 [ 375.147247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.152828] cache_grow_begin+0xa5/0x8c0 [ 375.156888] ? do_raw_spin_unlock+0xa7/0x330 [ 375.161303] fallback_alloc+0x204/0x2e0 [ 375.165283] ____cache_alloc_node+0x1c7/0x1e0 [ 375.169788] kmem_cache_alloc_node+0xe3/0x730 [ 375.174283] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.178532] __alloc_skb+0x119/0x770 [ 375.182276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.187555] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.191974] ? lock_downgrade+0x900/0x900 [ 375.196131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.201670] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.207154] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.212608] ? addrconf_rs_timer+0x690/0x690 [ 375.217031] ndisc_alloc_skb+0x144/0x340 [ 375.221100] ndisc_send_rs+0x331/0x6e0 [ 375.224990] addrconf_rs_timer+0x314/0x690 [ 375.229229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.233473] call_timer_fn+0x272/0x920 [ 375.237362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.241606] ? process_timeout+0x40/0x40 [ 375.245677] ? __run_timers+0x7da/0xc70 [ 375.249651] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.254146] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.258653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.262904] ? lockdep_hardirqs_on+0x296/0x5b0 [ 375.267490] ? trace_hardirqs_on+0xbd/0x310 [ 375.271811] ? kasan_check_read+0x11/0x20 [ 375.275959] ? __run_timers+0x7da/0xc70 [ 375.279934] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.285039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.289277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.293514] __run_timers+0x7e5/0xc70 [ 375.297330] ? timer_fixup_init+0x70/0x70 [ 375.301478] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 375.306501] ? zap_class+0x640/0x640 [ 375.310220] ? enqueue_hrtimer+0x1a5/0x560 [ 375.314471] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 375.319671] ? find_held_lock+0x36/0x1c0 [ 375.323739] ? zap_class+0x640/0x640 [ 375.327457] ? pvclock_read_flags+0x160/0x160 [ 375.331954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.337498] ? check_preemption_disabled+0x48/0x280 [ 375.342525] ? __lock_is_held+0xb5/0x140 [ 375.346591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.352128] ? check_preemption_disabled+0x48/0x280 [ 375.357151] run_timer_softirq+0x52/0xb0 [ 375.361217] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.366238] __do_softirq+0x308/0xb7e [ 375.370060] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 375.374563] ? lock_downgrade+0x900/0x900 [ 375.378716] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.383827] ? pvclock_read_flags+0x160/0x160 [ 375.388326] ? lapic_next_event+0x5a/0x90 [ 375.392476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.398033] ? kvm_clock_read+0x18/0x30 [ 375.402003] ? kvm_sched_clock_read+0x9/0x20 [ 375.406425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.411963] ? check_preemption_disabled+0x48/0x280 [ 375.416984] irq_exit+0x17f/0x1c0 [ 375.420442] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.425285] ? smp_reschedule_interrupt+0x109/0x650 [ 375.430317] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.436203] ? interrupt_entry+0xb5/0xc0 [ 375.440264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.445285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.450306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.455177] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.460194] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.465225] ? task_prio+0x50/0x50 [ 375.468767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.474317] ? check_preemption_disabled+0x48/0x280 [ 375.479351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.484206] apic_timer_interrupt+0xf/0x20 [ 375.488434] [ 375.490677] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 375.495606] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 375.514511] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 375.522214] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 375.529478] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 375.536741] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 375.544007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 375.551323] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 375.558626] skb_clone+0x1bb/0x500 [ 375.562164] ? skb_split+0x11e0/0x11e0 [ 375.566052] ? preempt_notifier_register+0x200/0x200 [ 375.571153] ? __switch_to_asm+0x34/0x70 [ 375.575214] ? __switch_to_asm+0x34/0x70 [ 375.579277] ? __switch_to_asm+0x40/0x70 [ 375.583338] ? __switch_to_asm+0x34/0x70 [ 375.587413] ? __switch_to_asm+0x40/0x70 [ 375.591482] ? __switch_to_asm+0x40/0x70 [ 375.595545] ? __switch_to_asm+0x34/0x70 [ 375.599606] ? __switch_to_asm+0x34/0x70 [ 375.603663] ? __switch_to_asm+0x40/0x70 [ 375.607722] ? __switch_to_asm+0x34/0x70 [ 375.611789] bpf_clone_redirect+0xb9/0x490 [ 375.616032] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 375.621054] ? __sched_text_start+0x8/0x8 [ 375.625206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.629972] ? find_held_lock+0x36/0x1c0 [ 375.634046] ? lock_acquire+0x1ed/0x520 [ 375.638020] ? bpf_test_run+0x3ee/0x7a0 [ 375.641999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.647544] ? check_preemption_disabled+0x48/0x280 [ 375.652570] ? kasan_check_read+0x11/0x20 [ 375.656720] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.661996] ? rcu_softirq_qs+0x20/0x20 [ 375.665972] ? preempt_schedule+0x4d/0x60 [ 375.670123] ? ___preempt_schedule+0x16/0x18 [ 375.674540] ? bpf_test_run+0x271/0x7a0 [ 375.678531] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.682942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.688479] ? bpf_test_init.isra.10+0x70/0x100 [ 375.693159] ? bpf_prog_test_run_skb+0x762/0xd60 [ 375.697925] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.702778] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.708315] ? fput+0x130/0x1a0 [ 375.711600] ? __bpf_prog_get+0x9b/0x290 [ 375.715667] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.720514] ? bpf_prog_test_run+0x130/0x1a0 [ 375.724926] ? __x64_sys_bpf+0x3d8/0x520 [ 375.729004] ? bpf_prog_get+0x20/0x20 [ 375.732909] ? do_syscall_64+0x1b9/0x820 [ 375.736974] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.742343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.747273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.752118] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.757138] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.762158] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.767186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.772037] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.777432] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 375.777499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.784358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.784364] Call Trace: [ 375.784382] dump_stack+0x244/0x39d [ 375.784415] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.790971] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.800248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.802812] syz-executor2 cpuset=syz2 mems_allowed=0 [ 375.806438] warn_alloc.cold.116+0xb7/0x1bd [ 375.836983] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.841828] ? lock_downgrade+0x900/0x900 [ 375.845987] ? trace_hardirqs_off+0xb8/0x310 [ 375.850414] ? trace_hardirqs_off+0xb8/0x310 [ 375.854832] __alloc_pages_slowpath+0x2651/0x2de0 [ 375.859709] ? warn_alloc+0x120/0x120 [ 375.863516] ? print_usage_bug+0xc0/0xc0 [ 375.867580] ? warn_alloc+0x120/0x120 [ 375.871394] ? warn_alloc+0x120/0x120 [ 375.875203] ? print_usage_bug+0xc0/0xc0 [ 375.879274] ? print_usage_bug+0xc0/0xc0 [ 375.883337] ? __lock_acquire+0x62f/0x4c20 [ 375.887578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.893144] ? should_fail+0x22d/0xd01 [ 375.897052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.902159] ? __lock_acquire+0x62f/0x4c20 [ 375.906411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.911515] ? __lock_acquire+0x62f/0x4c20 [ 375.915762] ? should_fail+0x22d/0xd01 [ 375.919654] ? find_held_lock+0x36/0x1c0 [ 375.923729] ? mark_held_locks+0x130/0x130 [ 375.927970] ? mark_held_locks+0x130/0x130 [ 375.932201] ? zap_class+0x640/0x640 [ 375.935927] ? mark_held_locks+0xc7/0x130 [ 375.940077] ? do_raw_spin_unlock+0xa7/0x330 [ 375.944485] ? zap_class+0x640/0x640 [ 375.948203] ? print_usage_bug+0xc0/0xc0 [ 375.952270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.957810] ? check_preemption_disabled+0x48/0x280 [ 375.962836] ? __lock_is_held+0xb5/0x140 [ 375.966905] __alloc_pages_nodemask+0xad8/0xea0 [ 375.971584] ? zap_class+0x640/0x640 [ 375.975308] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 375.980341] ? find_held_lock+0x36/0x1c0 [ 375.984424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.989097] ? lock_downgrade+0x900/0x900 [ 375.993252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.998793] cache_grow_begin+0xa5/0x8c0 [ 376.002855] ? do_raw_spin_unlock+0xa7/0x330 [ 376.007271] fallback_alloc+0x204/0x2e0 [ 376.011252] ____cache_alloc_node+0x1c7/0x1e0 [ 376.015755] kmem_cache_alloc_node+0xe3/0x730 [ 376.020253] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.024500] __alloc_skb+0x119/0x770 [ 376.028214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.033495] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.037914] ? lock_downgrade+0x900/0x900 [ 376.042074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.047615] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.053073] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.058526] ? addrconf_rs_timer+0x690/0x690 [ 376.062952] ndisc_alloc_skb+0x144/0x340 [ 376.067023] ndisc_send_rs+0x331/0x6e0 [ 376.070927] addrconf_rs_timer+0x314/0x690 [ 376.075172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.079426] call_timer_fn+0x272/0x920 [ 376.083319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.087575] ? process_timeout+0x40/0x40 [ 376.091648] ? __run_timers+0x7da/0xc70 [ 376.095623] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.100122] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.104616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.108852] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.113440] ? trace_hardirqs_on+0xbd/0x310 [ 376.117767] ? kasan_check_read+0x11/0x20 [ 376.121919] ? __run_timers+0x7da/0xc70 [ 376.125898] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.131016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.135255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.139490] __run_timers+0x7e5/0xc70 [ 376.143302] ? timer_fixup_init+0x70/0x70 [ 376.147449] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.151940] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.156434] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 376.161019] ? trace_hardirqs_on+0xbd/0x310 [ 376.165341] ? kasan_check_read+0x11/0x20 [ 376.169493] ? finish_task_switch+0x1f4/0x910 [ 376.173995] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.179099] ? compat_start_thread+0x80/0x80 [ 376.183529] ? pvclock_read_flags+0x160/0x160 [ 376.188025] ? __switch_to_asm+0x34/0x70 [ 376.192091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.198113] ? check_preemption_disabled+0x48/0x280 [ 376.203142] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 376.208685] ? rcu_pm_notify+0xc0/0xc0 [ 376.212580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.218119] ? check_preemption_disabled+0x48/0x280 [ 376.223140] run_timer_softirq+0x52/0xb0 [ 376.227203] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.232220] __do_softirq+0x308/0xb7e [ 376.236023] ? retint_kernel+0x2d/0x2d [ 376.239921] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.245024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.250475] ? retint_kernel+0x2d/0x2d [ 376.254370] ? schedule+0x108/0x460 [ 376.258019] ? trace_hardirqs_off+0xb8/0x310 [ 376.262434] ? smpboot_thread_fn+0x68b/0xa00 [ 376.266844] ? trace_hardirqs_on+0x310/0x310 [ 376.271256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.276799] ? check_preemption_disabled+0x48/0x280 [ 376.281817] ? takeover_tasklets+0xa90/0xa90 [ 376.286228] run_ksoftirqd+0x5e/0x100 [ 376.290034] smpboot_thread_fn+0x68b/0xa00 [ 376.294275] ? sort_range+0x30/0x30 [ 376.297937] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.303072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.308622] ? __kthread_parkme+0xfb/0x1a0 [ 376.312876] ? sort_range+0x30/0x30 [ 376.316506] kthread+0x35a/0x440 [ 376.319890] ? kthread_stop+0x900/0x900 [ 376.323873] ret_from_fork+0x3a/0x50 [ 376.327611] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 376.327617] warn_alloc_show_mem: 1 callbacks suppressed [ 376.327624] Mem-Info: [ 376.334995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.340366] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 376.340366] active_file:133 inactive_file:117 isolated_file:0 [ 376.340366] unevictable:0 dirty:3 writeback:0 unstable:0 [ 376.340366] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 376.340366] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 376.340366] free:13727 free_pcp:164 free_cma:0 [ 376.342738] Call Trace: [ 376.352169] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 376.385358] [ 376.387928] 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 [ 376.415697] dump_stack+0x244/0x39d [ 376.417824] lowmem_reserve[]: 0 2818 6321 6321 [ 376.443947] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.447549] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 376.452130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.457293] lowmem_reserve[]: 0 0 3503 3503 [ 376.484886] warn_alloc.cold.116+0xb7/0x1bd [ 376.490404] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 376.494725] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.499020] lowmem_reserve[]: 0 0 0 0 [ 376.528251] ? lock_downgrade+0x900/0x900 [ 376.533068] 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 [ 376.536880] ? trace_hardirqs_off+0xb8/0x310 [ 376.541000] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 376.554522] ? trace_hardirqs_off+0xb8/0x310 [ 376.558925] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 376.574276] __alloc_pages_slowpath+0x2651/0x2de0 [ 376.578664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.592191] ? warn_alloc+0x120/0x120 [ 376.596996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.605817] ? print_usage_bug+0xc0/0xc0 [ 376.609592] 2220 total pagecache pages [ 376.618158] ? warn_alloc+0x120/0x120 [ 376.622203] 0 pages in swap cache [ 376.626082] ? warn_alloc+0x120/0x120 [ 376.629863] Swap cache stats: add 0, delete 0, find 0/0 [ 376.633306] ? print_usage_bug+0xc0/0xc0 [ 376.637082] Free swap = 0kB [ 376.642446] ? kvm_clock_read+0x18/0x30 [ 376.646481] Total swap = 0kB [ 376.649496] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.653462] 1965979 pages RAM [ 376.656472] ? print_usage_bug+0xc0/0xc0 [ 376.661467] 0 pages HighMem/MovableOnly [ 376.664567] ? __lock_acquire+0x62f/0x4c20 [ 376.668606] 342854 pages reserved [ 376.672573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.676797] 0 pages cma reserved [ 376.680245] ? should_fail+0x22d/0xd01 [ 376.685825] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.689111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.689129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.689145] ? __lock_acquire+0x62f/0x4c20 [ 376.693067] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.699495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.704764] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 376.709861] ? __lock_acquire+0x62f/0x4c20 [ 376.738374] ? should_fail+0x22d/0xd01 [ 376.742274] ? rcu_irq_exit+0x1a2/0x390 [ 376.746262] ? mark_held_locks+0x130/0x130 [ 376.750505] ? mark_held_locks+0x130/0x130 [ 376.754745] ? mark_held_locks+0xc7/0x130 [ 376.758894] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.763912] ? zap_class+0x640/0x640 [ 376.767630] ? print_usage_bug+0xc0/0xc0 [ 376.771696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.777236] ? check_preemption_disabled+0x48/0x280 [ 376.782265] ? __lock_is_held+0xb5/0x140 [ 376.786336] __alloc_pages_nodemask+0xad8/0xea0 [ 376.791005] ? zap_class+0x640/0x640 [ 376.794726] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 376.799757] ? find_held_lock+0x36/0x1c0 [ 376.803841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.808527] ? lock_downgrade+0x900/0x900 [ 376.812684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.818225] cache_grow_begin+0xa5/0x8c0 [ 376.822288] ? do_raw_spin_unlock+0xa7/0x330 [ 376.826705] fallback_alloc+0x204/0x2e0 [ 376.830686] ____cache_alloc_node+0x1c7/0x1e0 [ 376.835186] kmem_cache_alloc_node+0xe3/0x730 [ 376.839680] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.843924] __alloc_skb+0x119/0x770 [ 376.847639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.852934] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.857357] ? lock_downgrade+0x900/0x900 [ 376.861520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.867067] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.872520] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.877970] ? addrconf_rs_timer+0x690/0x690 [ 376.882402] ndisc_alloc_skb+0x144/0x340 [ 376.886476] ndisc_send_rs+0x331/0x6e0 [ 376.890403] addrconf_rs_timer+0x314/0x690 [ 376.894665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.898914] call_timer_fn+0x272/0x920 [ 376.902807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.907047] ? process_timeout+0x40/0x40 [ 376.911118] ? __run_timers+0x7da/0xc70 [ 376.915092] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.919588] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.924081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.928329] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.932919] ? trace_hardirqs_on+0xbd/0x310 [ 376.937242] ? kasan_check_read+0x11/0x20 [ 376.941395] ? __run_timers+0x7da/0xc70 [ 376.945383] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.950507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.954749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.958997] __run_timers+0x7e5/0xc70 [ 376.962837] ? timer_fixup_init+0x70/0x70 [ 376.966991] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.972025] ? zap_class+0x640/0x640 [ 376.975748] ? enqueue_hrtimer+0x1a5/0x560 [ 376.979984] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.985179] ? find_held_lock+0x36/0x1c0 [ 376.989246] ? zap_class+0x640/0x640 [ 376.992972] ? pvclock_read_flags+0x160/0x160 [ 376.997469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.003009] ? check_preemption_disabled+0x48/0x280 [ 377.008039] ? __lock_is_held+0xb5/0x140 [ 377.012101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.017640] ? check_preemption_disabled+0x48/0x280 [ 377.022660] run_timer_softirq+0x52/0xb0 [ 377.026727] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.031743] __do_softirq+0x308/0xb7e [ 377.035546] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 377.040041] ? lock_downgrade+0x900/0x900 [ 377.044194] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.049308] ? pvclock_read_flags+0x160/0x160 [ 377.053809] ? lapic_next_event+0x5a/0x90 [ 377.057960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.063943] ? kvm_clock_read+0x18/0x30 [ 377.067918] ? kvm_sched_clock_read+0x9/0x20 [ 377.072332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.077869] ? check_preemption_disabled+0x48/0x280 [ 377.082894] irq_exit+0x17f/0x1c0 [ 377.086349] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.091192] ? smp_reschedule_interrupt+0x109/0x650 [ 377.096222] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.102150] ? interrupt_entry+0xb5/0xc0 [ 377.106225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.111241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.116288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.121134] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.126148] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.131169] ? task_prio+0x50/0x50 [ 377.134712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.140252] ? check_preemption_disabled+0x48/0x280 [ 377.145275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.150129] apic_timer_interrupt+0xf/0x20 [ 377.154359] [ 377.156608] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 377.161539] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 377.180440] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 377.188149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 377.195423] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 377.202739] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 377.210005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 377.217272] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 377.224577] skb_clone+0x1bb/0x500 [ 377.228123] ? skb_split+0x11e0/0x11e0 [ 377.232015] ? preempt_notifier_register+0x200/0x200 [ 377.237129] ? __switch_to_asm+0x34/0x70 [ 377.241188] ? __switch_to_asm+0x34/0x70 [ 377.245247] ? __switch_to_asm+0x40/0x70 [ 377.249304] ? __switch_to_asm+0x34/0x70 [ 377.253361] ? __switch_to_asm+0x40/0x70 [ 377.257437] ? __switch_to_asm+0x40/0x70 [ 377.261500] ? __switch_to_asm+0x34/0x70 [ 377.265562] ? __switch_to_asm+0x34/0x70 [ 377.269619] ? __switch_to_asm+0x40/0x70 [ 377.273680] ? __switch_to_asm+0x34/0x70 [ 377.277747] bpf_clone_redirect+0xb9/0x490 [ 377.281991] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 377.287015] ? __sched_text_start+0x8/0x8 [ 377.291167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.295932] ? find_held_lock+0x36/0x1c0 [ 377.300035] ? lock_acquire+0x1ed/0x520 [ 377.304012] ? bpf_test_run+0x3ee/0x7a0 [ 377.307991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.313535] ? check_preemption_disabled+0x48/0x280 [ 377.318558] ? kasan_check_read+0x11/0x20 [ 377.322705] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.327984] ? rcu_softirq_qs+0x20/0x20 [ 377.331958] ? preempt_schedule+0x4d/0x60 [ 377.336121] ? ___preempt_schedule+0x16/0x18 [ 377.340581] ? bpf_test_run+0x271/0x7a0 [ 377.344570] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.348980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.354515] ? bpf_test_init.isra.10+0x70/0x100 [ 377.359189] ? bpf_prog_test_run_skb+0x762/0xd60 [ 377.363979] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.368826] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.374362] ? fput+0x130/0x1a0 [ 377.377659] ? __bpf_prog_get+0x9b/0x290 [ 377.381730] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.386578] ? bpf_prog_test_run+0x130/0x1a0 [ 377.391004] ? __x64_sys_bpf+0x3d8/0x520 [ 377.395062] ? bpf_prog_get+0x20/0x20 [ 377.398884] ? do_syscall_64+0x1b9/0x820 [ 377.402945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.408309] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.413242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.418090] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.423109] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.428146] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.433168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.438020] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.443410] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 377.443507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.450343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.450349] Call Trace: [ 377.450367] dump_stack+0x244/0x39d [ 377.450395] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.450413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.456942] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.466247] warn_alloc.cold.116+0xb7/0x1bd [ 377.468801] syz-executor2 cpuset=syz2 mems_allowed=0 [ 377.472432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.507846] ? lock_downgrade+0x900/0x900 [ 377.512005] ? trace_hardirqs_off+0xb8/0x310 [ 377.516425] ? trace_hardirqs_off+0xb8/0x310 [ 377.520847] __alloc_pages_slowpath+0x2651/0x2de0 [ 377.525723] ? warn_alloc+0x120/0x120 [ 377.529529] ? print_usage_bug+0xc0/0xc0 [ 377.533592] ? warn_alloc+0x120/0x120 [ 377.537412] ? warn_alloc+0x120/0x120 [ 377.541222] ? print_usage_bug+0xc0/0xc0 [ 377.545319] ? print_usage_bug+0xc0/0xc0 [ 377.549383] ? __lock_acquire+0x62f/0x4c20 [ 377.553645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.559186] ? should_fail+0x22d/0xd01 [ 377.563083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.568192] ? __lock_acquire+0x62f/0x4c20 [ 377.572433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.577535] ? __lock_acquire+0x62f/0x4c20 [ 377.581774] ? should_fail+0x22d/0xd01 [ 377.585663] ? find_held_lock+0x36/0x1c0 [ 377.589735] ? mark_held_locks+0x130/0x130 [ 377.593978] ? mark_held_locks+0x130/0x130 [ 377.598211] ? zap_class+0x640/0x640 [ 377.601930] ? zap_class+0x640/0x640 [ 377.605665] ? print_usage_bug+0xc0/0xc0 [ 377.609726] ? do_raw_spin_unlock+0xa7/0x330 [ 377.614135] ? zap_class+0x640/0x640 [ 377.617853] ? print_usage_bug+0xc0/0xc0 [ 377.621918] ? wq_watchdog_touch+0x9c/0xfe [ 377.626160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.631699] ? check_preemption_disabled+0x48/0x280 [ 377.636729] ? __lock_is_held+0xb5/0x140 [ 377.640825] __alloc_pages_nodemask+0xad8/0xea0 [ 377.645494] ? zap_class+0x640/0x640 [ 377.649214] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 377.654242] ? find_held_lock+0x36/0x1c0 [ 377.658315] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.662986] ? lock_downgrade+0x900/0x900 [ 377.667145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.672692] cache_grow_begin+0xa5/0x8c0 [ 377.676755] ? do_raw_spin_unlock+0xa7/0x330 [ 377.681172] fallback_alloc+0x204/0x2e0 [ 377.685153] ____cache_alloc_node+0x1c7/0x1e0 [ 377.689654] kmem_cache_alloc_node+0xe3/0x730 [ 377.694153] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.698407] __alloc_skb+0x119/0x770 [ 377.702126] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.707443] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.711850] ? lock_downgrade+0x900/0x900 [ 377.716032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.721581] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.727039] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.732493] ? addrconf_rs_timer+0x690/0x690 [ 377.736922] ndisc_alloc_skb+0x144/0x340 [ 377.740991] ndisc_send_rs+0x331/0x6e0 [ 377.744888] addrconf_rs_timer+0x314/0x690 [ 377.749154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.753409] call_timer_fn+0x272/0x920 [ 377.757303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.761540] ? process_timeout+0x40/0x40 [ 377.765608] ? __run_timers+0x7da/0xc70 [ 377.769587] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.774107] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.778602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.782841] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.787450] ? trace_hardirqs_on+0xbd/0x310 [ 377.791773] ? kasan_check_read+0x11/0x20 [ 377.795927] ? __run_timers+0x7da/0xc70 [ 377.799907] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.805024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.809263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.813499] __run_timers+0x7e5/0xc70 [ 377.817311] ? timer_fixup_init+0x70/0x70 [ 377.821462] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.825971] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.830468] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.835051] ? trace_hardirqs_on+0xbd/0x310 [ 377.839372] ? kasan_check_read+0x11/0x20 [ 377.843535] ? finish_task_switch+0x1f4/0x910 [ 377.848030] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.853140] ? compat_start_thread+0x80/0x80 [ 377.857572] ? pvclock_read_flags+0x160/0x160 [ 377.862083] ? __switch_to_asm+0x34/0x70 [ 377.866162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.871701] ? check_preemption_disabled+0x48/0x280 [ 377.876728] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 377.882296] ? rcu_pm_notify+0xc0/0xc0 [ 377.886190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.891728] ? check_preemption_disabled+0x48/0x280 [ 377.896751] run_timer_softirq+0x52/0xb0 [ 377.900812] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.905834] __do_softirq+0x308/0xb7e [ 377.909640] ? retint_kernel+0x2d/0x2d [ 377.913529] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.918633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.924083] ? retint_kernel+0x2d/0x2d [ 377.927974] ? schedule+0x108/0x460 [ 377.931612] ? trace_hardirqs_off+0xb8/0x310 [ 377.936024] ? smpboot_thread_fn+0x68b/0xa00 [ 377.940448] ? trace_hardirqs_on+0x310/0x310 [ 377.944861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.950419] ? check_preemption_disabled+0x48/0x280 [ 377.955444] ? takeover_tasklets+0xa90/0xa90 [ 377.959852] run_ksoftirqd+0x5e/0x100 [ 377.963656] smpboot_thread_fn+0x68b/0xa00 [ 377.967914] ? sort_range+0x30/0x30 [ 377.971541] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.976647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.982189] ? __kthread_parkme+0xfb/0x1a0 [ 377.986467] ? sort_range+0x30/0x30 [ 377.990111] kthread+0x35a/0x440 [ 377.993500] ? kthread_stop+0x900/0x900 [ 377.997474] ret_from_fork+0x3a/0x50 [ 378.001210] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 378.001216] warn_alloc_show_mem: 1 callbacks suppressed [ 378.001223] Mem-Info: [ 378.008577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.013983] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 378.013983] active_file:133 inactive_file:117 isolated_file:0 [ 378.013983] unevictable:0 dirty:3 writeback:0 unstable:0 [ 378.013983] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 378.013983] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 378.013983] free:13727 free_pcp:164 free_cma:0 [ 378.016353] Call Trace: [ 378.025740] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 378.058929] [ 378.061503] 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 [ 378.089268] dump_stack+0x244/0x39d [ 378.091404] lowmem_reserve[]: 0 2818 6321 6321 [ 378.117512] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.121115] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 378.125689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.130853] lowmem_reserve[]: 0 0 3503 3503 [ 378.158443] warn_alloc.cold.116+0xb7/0x1bd [ 378.163953] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 378.168268] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.172561] lowmem_reserve[]: 0 0 0 0 [ 378.201926] ? lock_downgrade+0x900/0x900 [ 378.206750] 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 [ 378.210547] ? trace_hardirqs_off+0xb8/0x310 [ 378.214670] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 378.228190] ? trace_hardirqs_off+0xb8/0x310 [ 378.232576] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 378.247916] __alloc_pages_slowpath+0x2651/0x2de0 [ 378.252325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.265870] ? warn_alloc+0x120/0x120 [ 378.270671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.279494] ? print_usage_bug+0xc0/0xc0 [ 378.283287] 2220 total pagecache pages [ 378.291853] ? warn_alloc+0x120/0x120 [ 378.295894] 0 pages in swap cache [ 378.299771] ? warn_alloc+0x120/0x120 [ 378.303554] Swap cache stats: add 0, delete 0, find 0/0 [ 378.307000] ? print_usage_bug+0xc0/0xc0 [ 378.310778] Free swap = 0kB [ 378.316134] ? print_usage_bug+0xc0/0xc0 [ 378.320174] Total swap = 0kB [ 378.323188] ? __lock_acquire+0x62f/0x4c20 [ 378.327222] 1965979 pages RAM [ 378.330238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.334448] 0 pages HighMem/MovableOnly [ 378.337575] ? should_fail+0x22d/0xd01 [ 378.343088] 342854 pages reserved [ 378.347056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.350934] 0 pages cma reserved [ 378.354404] ? __lock_acquire+0x62f/0x4c20 [ 378.359576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.362843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.367109] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.373541] ? __lock_acquire+0x62f/0x4c20 [ 378.378622] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 378.388930] ? should_fail+0x22d/0xd01 [ 378.401668] ? find_held_lock+0x36/0x1c0 [ 378.405738] ? mark_held_locks+0x130/0x130 [ 378.409980] ? mark_held_locks+0x130/0x130 [ 378.414214] ? zap_class+0x640/0x640 [ 378.417924] ? zap_class+0x640/0x640 [ 378.421636] ? print_usage_bug+0xc0/0xc0 [ 378.425696] ? do_raw_spin_unlock+0xa7/0x330 [ 378.430115] ? zap_class+0x640/0x640 [ 378.433855] ? print_usage_bug+0xc0/0xc0 [ 378.437917] ? wq_watchdog_touch+0x9c/0xfe [ 378.442151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.447706] ? check_preemption_disabled+0x48/0x280 [ 378.452733] ? __lock_is_held+0xb5/0x140 [ 378.456819] __alloc_pages_nodemask+0xad8/0xea0 [ 378.461504] ? zap_class+0x640/0x640 [ 378.465228] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 378.470259] ? find_held_lock+0x36/0x1c0 [ 378.474330] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.479013] ? lock_downgrade+0x900/0x900 [ 378.483170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.488711] cache_grow_begin+0xa5/0x8c0 [ 378.492771] ? do_raw_spin_unlock+0xa7/0x330 [ 378.497201] fallback_alloc+0x204/0x2e0 [ 378.501200] ____cache_alloc_node+0x1c7/0x1e0 [ 378.505704] kmem_cache_alloc_node+0xe3/0x730 [ 378.510199] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.514453] __alloc_skb+0x119/0x770 [ 378.518166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.523453] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.527866] ? lock_downgrade+0x900/0x900 [ 378.532050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.537587] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.543053] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.548525] ? addrconf_rs_timer+0x690/0x690 [ 378.552943] ndisc_alloc_skb+0x144/0x340 [ 378.557010] ndisc_send_rs+0x331/0x6e0 [ 378.560905] addrconf_rs_timer+0x314/0x690 [ 378.565144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.569400] call_timer_fn+0x272/0x920 [ 378.573294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.577533] ? process_timeout+0x40/0x40 [ 378.581605] ? __run_timers+0x7da/0xc70 [ 378.585586] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.590083] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.594581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.598818] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.603420] ? trace_hardirqs_on+0xbd/0x310 [ 378.607743] ? kasan_check_read+0x11/0x20 [ 378.611894] ? __run_timers+0x7da/0xc70 [ 378.615870] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.620976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.625215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.629448] __run_timers+0x7e5/0xc70 [ 378.633260] ? timer_fixup_init+0x70/0x70 [ 378.637423] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.642448] ? zap_class+0x640/0x640 [ 378.646169] ? enqueue_hrtimer+0x1a5/0x560 [ 378.650420] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.655624] ? find_held_lock+0x36/0x1c0 [ 378.659689] ? zap_class+0x640/0x640 [ 378.663421] ? pvclock_read_flags+0x160/0x160 [ 378.667924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.673464] ? check_preemption_disabled+0x48/0x280 [ 378.678493] ? __lock_is_held+0xb5/0x140 [ 378.682560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.688103] ? check_preemption_disabled+0x48/0x280 [ 378.693128] run_timer_softirq+0x52/0xb0 [ 378.697190] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.702206] __do_softirq+0x308/0xb7e [ 378.706014] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.710512] ? lock_downgrade+0x900/0x900 [ 378.714670] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.719783] ? pvclock_read_flags+0x160/0x160 [ 378.724286] ? lapic_next_event+0x5a/0x90 [ 378.728442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.733988] ? kvm_clock_read+0x18/0x30 [ 378.737968] ? kvm_sched_clock_read+0x9/0x20 [ 378.742379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.747934] ? check_preemption_disabled+0x48/0x280 [ 378.752962] irq_exit+0x17f/0x1c0 [ 378.756429] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.761276] ? smp_reschedule_interrupt+0x109/0x650 [ 378.766297] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.772185] ? interrupt_entry+0xb5/0xc0 [ 378.776253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.781268] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.786288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.791135] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.796152] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.801168] ? task_prio+0x50/0x50 [ 378.804713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.810250] ? check_preemption_disabled+0x48/0x280 [ 378.815286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.820136] apic_timer_interrupt+0xf/0x20 [ 378.824375] [ 378.826632] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.831564] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 378.850466] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 378.858170] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.865458] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 378.872739] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 378.880002] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.887284] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 378.894588] skb_clone+0x1bb/0x500 [ 378.898131] ? skb_split+0x11e0/0x11e0 [ 378.902036] ? preempt_notifier_register+0x200/0x200 [ 378.907151] ? __switch_to_asm+0x34/0x70 [ 378.911215] ? __switch_to_asm+0x34/0x70 [ 378.915271] ? __switch_to_asm+0x40/0x70 [ 378.919332] ? __switch_to_asm+0x34/0x70 [ 378.923400] ? __switch_to_asm+0x40/0x70 [ 378.927469] ? __switch_to_asm+0x40/0x70 [ 378.931530] ? __switch_to_asm+0x34/0x70 [ 378.935589] ? __switch_to_asm+0x34/0x70 [ 378.939652] ? __switch_to_asm+0x40/0x70 [ 378.943715] ? __switch_to_asm+0x34/0x70 [ 378.947784] bpf_clone_redirect+0xb9/0x490 [ 378.952030] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 378.957052] ? __sched_text_start+0x8/0x8 [ 378.961199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.965980] ? find_held_lock+0x36/0x1c0 [ 378.970064] ? lock_acquire+0x1ed/0x520 [ 378.974042] ? bpf_test_run+0x3ee/0x7a0 [ 378.978017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.983554] ? check_preemption_disabled+0x48/0x280 [ 378.988580] ? kasan_check_read+0x11/0x20 [ 378.992727] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.998002] ? rcu_softirq_qs+0x20/0x20 [ 379.001979] ? preempt_schedule+0x4d/0x60 [ 379.006128] ? ___preempt_schedule+0x16/0x18 [ 379.010560] ? bpf_test_run+0x271/0x7a0 [ 379.014547] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.018962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.024517] ? bpf_test_init.isra.10+0x70/0x100 [ 379.029213] ? bpf_prog_test_run_skb+0x762/0xd60 [ 379.033982] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.038832] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.044368] ? fput+0x130/0x1a0 [ 379.047667] ? __bpf_prog_get+0x9b/0x290 [ 379.051734] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.056607] ? bpf_prog_test_run+0x130/0x1a0 [ 379.061522] ? __x64_sys_bpf+0x3d8/0x520 [ 379.065588] ? bpf_prog_get+0x20/0x20 [ 379.069426] ? do_syscall_64+0x1b9/0x820 [ 379.073492] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.078861] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.083791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.088651] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.093673] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.098690] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.103713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.108562] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.113949] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 379.114020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.120872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.120878] Call Trace: [ 379.120896] dump_stack+0x244/0x39d [ 379.120921] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.120939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.127477] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.136776] warn_alloc.cold.116+0xb7/0x1bd [ 379.139331] syz-executor2 cpuset=syz2 mems_allowed=0 [ 379.142963] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.178373] ? lock_downgrade+0x900/0x900 [ 379.182541] ? trace_hardirqs_off+0xb8/0x310 [ 379.186984] ? trace_hardirqs_off+0xb8/0x310 [ 379.191431] __alloc_pages_slowpath+0x2651/0x2de0 [ 379.196309] ? warn_alloc+0x120/0x120 [ 379.200117] ? print_usage_bug+0xc0/0xc0 [ 379.204183] ? warn_alloc+0x120/0x120 [ 379.207986] ? warn_alloc+0x120/0x120 [ 379.211789] ? print_usage_bug+0xc0/0xc0 [ 379.215855] ? print_usage_bug+0xc0/0xc0 [ 379.219952] ? __lock_acquire+0x62f/0x4c20 [ 379.224233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.229770] ? should_fail+0x22d/0xd01 [ 379.233663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.238766] ? __lock_acquire+0x62f/0x4c20 [ 379.243020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.248122] ? __lock_acquire+0x62f/0x4c20 [ 379.252357] ? should_fail+0x22d/0xd01 [ 379.256255] ? find_held_lock+0x36/0x1c0 [ 379.260326] ? mark_held_locks+0x130/0x130 [ 379.264568] ? mark_held_locks+0x130/0x130 [ 379.268800] ? zap_class+0x640/0x640 [ 379.272512] ? zap_class+0x640/0x640 [ 379.276226] ? print_usage_bug+0xc0/0xc0 [ 379.280285] ? do_raw_spin_unlock+0xa7/0x330 [ 379.284694] ? zap_class+0x640/0x640 [ 379.288415] ? print_usage_bug+0xc0/0xc0 [ 379.292476] ? wq_watchdog_touch+0x9c/0xfe [ 379.296715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.302253] ? check_preemption_disabled+0x48/0x280 [ 379.307279] ? __lock_is_held+0xb5/0x140 [ 379.311349] __alloc_pages_nodemask+0xad8/0xea0 [ 379.316021] ? zap_class+0x640/0x640 [ 379.319742] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 379.324774] ? find_held_lock+0x36/0x1c0 [ 379.328844] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.333515] ? lock_downgrade+0x900/0x900 [ 379.337670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.343214] cache_grow_begin+0xa5/0x8c0 [ 379.347276] ? do_raw_spin_unlock+0xa7/0x330 [ 379.351697] fallback_alloc+0x204/0x2e0 [ 379.355678] ____cache_alloc_node+0x1c7/0x1e0 [ 379.360177] kmem_cache_alloc_node+0xe3/0x730 [ 379.364674] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.368926] __alloc_skb+0x119/0x770 [ 379.372670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.377965] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.382373] ? lock_downgrade+0x900/0x900 [ 379.386549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.392091] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.397549] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.402998] ? addrconf_rs_timer+0x690/0x690 [ 379.407424] ndisc_alloc_skb+0x144/0x340 [ 379.411495] ndisc_send_rs+0x331/0x6e0 [ 379.415399] addrconf_rs_timer+0x314/0x690 [ 379.419643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.423889] call_timer_fn+0x272/0x920 [ 379.427800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.432042] ? process_timeout+0x40/0x40 [ 379.436141] ? __run_timers+0x7da/0xc70 [ 379.440115] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.444614] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.449111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.453347] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.457933] ? trace_hardirqs_on+0xbd/0x310 [ 379.462253] ? kasan_check_read+0x11/0x20 [ 379.466455] ? __run_timers+0x7da/0xc70 [ 379.470431] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.475543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.479783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.484014] __run_timers+0x7e5/0xc70 [ 379.487824] ? timer_fixup_init+0x70/0x70 [ 379.491971] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.496466] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.500961] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.505547] ? trace_hardirqs_on+0xbd/0x310 [ 379.509866] ? kasan_check_read+0x11/0x20 [ 379.514018] ? finish_task_switch+0x1f4/0x910 [ 379.518517] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.523621] ? compat_start_thread+0x80/0x80 [ 379.528084] ? pvclock_read_flags+0x160/0x160 [ 379.532572] ? __switch_to_asm+0x34/0x70 [ 379.536641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.542214] ? check_preemption_disabled+0x48/0x280 [ 379.547238] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 379.552777] ? rcu_pm_notify+0xc0/0xc0 [ 379.556681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.562220] ? check_preemption_disabled+0x48/0x280 [ 379.567245] run_timer_softirq+0x52/0xb0 [ 379.571307] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.576324] __do_softirq+0x308/0xb7e [ 379.580126] ? retint_kernel+0x2d/0x2d [ 379.584018] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.589119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.594568] ? retint_kernel+0x2d/0x2d [ 379.598461] ? schedule+0x108/0x460 [ 379.602100] ? trace_hardirqs_off+0xb8/0x310 [ 379.606523] ? smpboot_thread_fn+0x68b/0xa00 [ 379.610941] ? trace_hardirqs_on+0x310/0x310 [ 379.615353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.620897] ? check_preemption_disabled+0x48/0x280 [ 379.625940] ? takeover_tasklets+0xa90/0xa90 [ 379.630362] run_ksoftirqd+0x5e/0x100 [ 379.634184] smpboot_thread_fn+0x68b/0xa00 [ 379.638447] ? sort_range+0x30/0x30 [ 379.642076] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.647191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.652746] ? __kthread_parkme+0xfb/0x1a0 [ 379.656986] ? sort_range+0x30/0x30 [ 379.660613] kthread+0x35a/0x440 [ 379.663983] ? kthread_stop+0x900/0x900 [ 379.667954] ret_from_fork+0x3a/0x50 [ 379.671698] warn_alloc_show_mem: 1 callbacks suppressed [ 379.671710] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 379.671712] Mem-Info: [ 379.671745] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 379.671745] active_file:133 inactive_file:117 isolated_file:0 [ 379.671745] unevictable:0 dirty:3 writeback:0 unstable:0 [ 379.671745] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 379.671745] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 379.671745] free:13727 free_pcp:164 free_cma:0 [ 379.677094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.684472] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 379.686868] Call Trace: [ 379.720079] 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 [ 379.729426] [ 379.757159] lowmem_reserve[]: 0 2818 6321 6321 [ 379.759752] dump_stack+0x244/0x39d [ 379.785834] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 379.787993] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.792547] lowmem_reserve[]: 0 0 3503 3503 [ 379.796172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.823734] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 379.828928] warn_alloc.cold.116+0xb7/0x1bd [ 379.833221] lowmem_reserve[]: 0 0 0 0 [ 379.838755] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.867964] 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 [ 379.872280] ? lock_downgrade+0x900/0x900 [ 379.876058] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 379.880927] ? trace_hardirqs_off+0xb8/0x310 [ 379.894435] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 379.898582] ? trace_hardirqs_off+0xb8/0x310 [ 379.913917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.918309] __alloc_pages_slowpath+0x2651/0x2de0 [ 379.931808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.936222] ? warn_alloc+0x120/0x120 [ 379.945015] 2220 total pagecache pages [ 379.949849] ? print_usage_bug+0xc0/0xc0 [ 379.958427] 0 pages in swap cache [ 379.962215] ? warn_alloc+0x120/0x120 [ 379.966075] Swap cache stats: add 0, delete 0, find 0/0 [ 379.966085] Free swap = 0kB [ 379.970138] ? warn_alloc+0x120/0x120 [ 379.973569] Total swap = 0kB [ 379.977359] ? print_usage_bug+0xc0/0xc0 [ 379.982695] 1965979 pages RAM [ 379.985707] ? print_usage_bug+0xc0/0xc0 [ 379.989485] 0 pages HighMem/MovableOnly [ 379.992499] ? __lock_acquire+0x62f/0x4c20 [ 379.996535] 342854 pages reserved [ 379.999637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.003672] 0 pages cma reserved [ 380.007643] ? should_fail+0x22d/0xd01 [ 380.011944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.015299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.020903] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.024174] ? __lock_acquire+0x62f/0x4c20 [ 380.028041] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 380.034529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.063863] ? __lock_acquire+0x62f/0x4c20 [ 380.068100] ? should_fail+0x22d/0xd01 [ 380.071988] ? find_held_lock+0x36/0x1c0 [ 380.076236] ? mark_held_locks+0x130/0x130 [ 380.080475] ? mark_held_locks+0x130/0x130 [ 380.084721] ? zap_class+0x640/0x640 [ 380.088448] ? zap_class+0x640/0x640 [ 380.092168] ? print_usage_bug+0xc0/0xc0 [ 380.096226] ? do_raw_spin_unlock+0xa7/0x330 [ 380.100632] ? zap_class+0x640/0x640 [ 380.104348] ? print_usage_bug+0xc0/0xc0 [ 380.108420] ? wq_watchdog_touch+0x9c/0xfe [ 380.112661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.118203] ? check_preemption_disabled+0x48/0x280 [ 380.123227] ? __lock_is_held+0xb5/0x140 [ 380.127307] __alloc_pages_nodemask+0xad8/0xea0 [ 380.131977] ? zap_class+0x640/0x640 [ 380.135699] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 380.140734] ? find_held_lock+0x36/0x1c0 [ 380.144808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.149483] ? lock_downgrade+0x900/0x900 [ 380.153639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.159182] cache_grow_begin+0xa5/0x8c0 [ 380.163256] ? do_raw_spin_unlock+0xa7/0x330 [ 380.167685] fallback_alloc+0x204/0x2e0 [ 380.171667] ____cache_alloc_node+0x1c7/0x1e0 [ 380.176184] kmem_cache_alloc_node+0xe3/0x730 [ 380.180699] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.184943] __alloc_skb+0x119/0x770 [ 380.188662] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.194160] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.198569] ? lock_downgrade+0x900/0x900 [ 380.202727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.208270] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.213724] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.219174] ? addrconf_rs_timer+0x690/0x690 [ 380.223599] ndisc_alloc_skb+0x144/0x340 [ 380.227667] ndisc_send_rs+0x331/0x6e0 [ 380.231561] addrconf_rs_timer+0x314/0x690 [ 380.235802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.240050] call_timer_fn+0x272/0x920 [ 380.243941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.248186] ? process_timeout+0x40/0x40 [ 380.252259] ? __run_timers+0x7da/0xc70 [ 380.256237] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.260729] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.265223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.269463] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.274050] ? trace_hardirqs_on+0xbd/0x310 [ 380.278370] ? kasan_check_read+0x11/0x20 [ 380.282532] ? __run_timers+0x7da/0xc70 [ 380.286511] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.291622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.295865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.300102] __run_timers+0x7e5/0xc70 [ 380.303915] ? timer_fixup_init+0x70/0x70 [ 380.308062] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.313077] ? zap_class+0x640/0x640 [ 380.316798] ? enqueue_hrtimer+0x1a5/0x560 [ 380.321035] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.326242] ? find_held_lock+0x36/0x1c0 [ 380.330305] ? zap_class+0x640/0x640 [ 380.334026] ? pvclock_read_flags+0x160/0x160 [ 380.338527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.344066] ? check_preemption_disabled+0x48/0x280 [ 380.349092] ? __lock_is_held+0xb5/0x140 [ 380.353178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.358715] ? check_preemption_disabled+0x48/0x280 [ 380.363738] run_timer_softirq+0x52/0xb0 [ 380.367803] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.372821] __do_softirq+0x308/0xb7e [ 380.376625] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 380.381124] ? lock_downgrade+0x900/0x900 [ 380.385273] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.390402] ? pvclock_read_flags+0x160/0x160 [ 380.394906] ? lapic_next_event+0x5a/0x90 [ 380.399057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.404602] ? kvm_clock_read+0x18/0x30 [ 380.408575] ? kvm_sched_clock_read+0x9/0x20 [ 380.413005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.418542] ? check_preemption_disabled+0x48/0x280 [ 380.423571] irq_exit+0x17f/0x1c0 [ 380.427025] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.431885] ? smp_reschedule_interrupt+0x109/0x650 [ 380.436903] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.442787] ? interrupt_entry+0xb5/0xc0 [ 380.446853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.451870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.456893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.461739] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.466753] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.471773] ? task_prio+0x50/0x50 [ 380.475314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.480855] ? check_preemption_disabled+0x48/0x280 [ 380.485896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.490745] apic_timer_interrupt+0xf/0x20 [ 380.494990] [ 380.497228] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 380.502158] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 380.521074] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 380.528778] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 380.536042] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 380.543324] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 380.550590] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 380.557864] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 380.565187] skb_clone+0x1bb/0x500 [ 380.568728] ? skb_split+0x11e0/0x11e0 [ 380.572618] ? preempt_notifier_register+0x200/0x200 [ 380.577718] ? __switch_to_asm+0x34/0x70 [ 380.581780] ? __switch_to_asm+0x34/0x70 [ 380.585838] ? __switch_to_asm+0x40/0x70 [ 380.589898] ? __switch_to_asm+0x34/0x70 [ 380.593955] ? __switch_to_asm+0x40/0x70 [ 380.598010] ? __switch_to_asm+0x40/0x70 [ 380.602073] ? __switch_to_asm+0x34/0x70 [ 380.606133] ? __switch_to_asm+0x34/0x70 [ 380.610190] ? __switch_to_asm+0x40/0x70 [ 380.614250] ? __switch_to_asm+0x34/0x70 [ 380.618315] bpf_clone_redirect+0xb9/0x490 [ 380.622557] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 380.627576] ? __sched_text_start+0x8/0x8 [ 380.631742] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.636506] ? find_held_lock+0x36/0x1c0 [ 380.640578] ? lock_acquire+0x1ed/0x520 [ 380.644554] ? bpf_test_run+0x3ee/0x7a0 [ 380.648533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.654071] ? check_preemption_disabled+0x48/0x280 [ 380.659092] ? kasan_check_read+0x11/0x20 [ 380.663241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.668516] ? rcu_softirq_qs+0x20/0x20 [ 380.672498] ? preempt_schedule+0x4d/0x60 [ 380.676650] ? ___preempt_schedule+0x16/0x18 [ 380.681069] ? bpf_test_run+0x271/0x7a0 [ 380.685055] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.689467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.695005] ? bpf_test_init.isra.10+0x70/0x100 [ 380.699681] ? bpf_prog_test_run_skb+0x762/0xd60 [ 380.704472] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.709323] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.714860] ? fput+0x130/0x1a0 [ 380.718191] ? __bpf_prog_get+0x9b/0x290 [ 380.722258] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.727106] ? bpf_prog_test_run+0x130/0x1a0 [ 380.731520] ? __x64_sys_bpf+0x3d8/0x520 [ 380.735583] ? bpf_prog_get+0x20/0x20 [ 380.739421] ? do_syscall_64+0x1b9/0x820 [ 380.743487] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.748858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.753789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.758638] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.763658] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.768676] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.773698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.778548] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.783927] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 380.783997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.790854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.790860] Call Trace: [ 380.790878] dump_stack+0x244/0x39d [ 380.790897] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.790921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.797456] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.806750] warn_alloc.cold.116+0xb7/0x1bd [ 380.809305] syz-executor2 cpuset=syz2 mems_allowed=0 [ 380.812927] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.848325] ? lock_downgrade+0x900/0x900 [ 380.852487] ? trace_hardirqs_off+0xb8/0x310 [ 380.856901] ? trace_hardirqs_off+0xb8/0x310 [ 380.861326] __alloc_pages_slowpath+0x2651/0x2de0 [ 380.866194] ? warn_alloc+0x120/0x120 [ 380.869997] ? print_usage_bug+0xc0/0xc0 [ 380.874070] ? warn_alloc+0x120/0x120 [ 380.877875] ? warn_alloc+0x120/0x120 [ 380.881686] ? print_usage_bug+0xc0/0xc0 [ 380.885754] ? print_usage_bug+0xc0/0xc0 [ 380.889816] ? __lock_acquire+0x62f/0x4c20 [ 380.894056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.899595] ? should_fail+0x22d/0xd01 [ 380.903486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.908589] ? __lock_acquire+0x62f/0x4c20 [ 380.912832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.917938] ? __lock_acquire+0x62f/0x4c20 [ 380.922174] ? should_fail+0x22d/0xd01 [ 380.926082] ? find_held_lock+0x36/0x1c0 [ 380.930153] ? mark_held_locks+0x130/0x130 [ 380.934400] ? mark_held_locks+0x130/0x130 [ 380.938635] ? zap_class+0x640/0x640 [ 380.942357] ? mark_held_locks+0xc7/0x130 [ 380.946513] ? do_raw_spin_unlock+0xa7/0x330 [ 380.950925] ? zap_class+0x640/0x640 [ 380.954644] ? print_usage_bug+0xc0/0xc0 [ 380.958713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.964251] ? check_preemption_disabled+0x48/0x280 [ 380.969276] ? __lock_is_held+0xb5/0x140 [ 380.973358] __alloc_pages_nodemask+0xad8/0xea0 [ 380.978034] ? zap_class+0x640/0x640 [ 380.981783] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 380.986812] ? find_held_lock+0x36/0x1c0 [ 380.990886] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.995566] ? lock_downgrade+0x900/0x900 [ 380.999726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.005273] cache_grow_begin+0xa5/0x8c0 [ 381.009335] ? do_raw_spin_unlock+0xa7/0x330 [ 381.013756] fallback_alloc+0x204/0x2e0 [ 381.017738] ____cache_alloc_node+0x1c7/0x1e0 [ 381.022244] kmem_cache_alloc_node+0xe3/0x730 [ 381.026740] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.030990] __alloc_skb+0x119/0x770 [ 381.034704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.039991] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.044407] ? lock_downgrade+0x900/0x900 [ 381.048568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.054110] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.059567] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.065323] ? addrconf_rs_timer+0x690/0x690 [ 381.069747] ndisc_alloc_skb+0x144/0x340 [ 381.073826] ndisc_send_rs+0x331/0x6e0 [ 381.077764] addrconf_rs_timer+0x314/0x690 [ 381.082024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.086273] call_timer_fn+0x272/0x920 [ 381.090161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.094405] ? process_timeout+0x40/0x40 [ 381.098476] ? __run_timers+0x7da/0xc70 [ 381.102468] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.106976] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.111475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.115709] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.120340] ? trace_hardirqs_on+0xbd/0x310 [ 381.124666] ? kasan_check_read+0x11/0x20 [ 381.128817] ? __run_timers+0x7da/0xc70 [ 381.132796] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.137908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.142157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.146400] __run_timers+0x7e5/0xc70 [ 381.150226] ? timer_fixup_init+0x70/0x70 [ 381.154372] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.158872] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.163367] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 381.167958] ? trace_hardirqs_on+0xbd/0x310 [ 381.172283] ? kasan_check_read+0x11/0x20 [ 381.176452] ? finish_task_switch+0x1f4/0x910 [ 381.180948] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.186054] ? compat_start_thread+0x80/0x80 [ 381.190484] ? pvclock_read_flags+0x160/0x160 [ 381.194982] ? __switch_to_asm+0x34/0x70 [ 381.199044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.204587] ? check_preemption_disabled+0x48/0x280 [ 381.209615] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 381.215159] ? rcu_pm_notify+0xc0/0xc0 [ 381.219047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.224586] ? check_preemption_disabled+0x48/0x280 [ 381.229610] run_timer_softirq+0x52/0xb0 [ 381.233675] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.238697] __do_softirq+0x308/0xb7e [ 381.242502] ? retint_kernel+0x2d/0x2d [ 381.246405] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.251514] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.256966] ? retint_kernel+0x2d/0x2d [ 381.260862] ? schedule+0x108/0x460 [ 381.264502] ? trace_hardirqs_off+0xb8/0x310 [ 381.268917] ? smpboot_thread_fn+0x68b/0xa00 [ 381.273328] ? trace_hardirqs_on+0x310/0x310 [ 381.277741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.283279] ? check_preemption_disabled+0x48/0x280 [ 381.288301] ? takeover_tasklets+0xa90/0xa90 [ 381.292714] run_ksoftirqd+0x5e/0x100 [ 381.296517] smpboot_thread_fn+0x68b/0xa00 [ 381.300755] ? sort_range+0x30/0x30 [ 381.304381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.309497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.315053] ? __kthread_parkme+0xfb/0x1a0 [ 381.319306] ? sort_range+0x30/0x30 [ 381.322939] kthread+0x35a/0x440 [ 381.326306] ? kthread_stop+0x900/0x900 [ 381.330285] ret_from_fork+0x3a/0x50 [ 381.334023] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 381.334028] warn_alloc_show_mem: 1 callbacks suppressed [ 381.334036] Mem-Info: [ 381.341399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.346770] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 381.346770] active_file:133 inactive_file:117 isolated_file:0 [ 381.346770] unevictable:0 dirty:3 writeback:0 unstable:0 [ 381.346770] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 381.346770] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 381.346770] free:13727 free_pcp:164 free_cma:0 [ 381.349142] Call Trace: [ 381.358531] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 381.391721] [ 381.394293] 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 [ 381.422043] dump_stack+0x244/0x39d [ 381.424167] lowmem_reserve[]: 0 2818 6321 6321 [ 381.450271] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.453871] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 381.458447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.463613] lowmem_reserve[]: 0 0 3503 3503 [ 381.491230] warn_alloc.cold.116+0xb7/0x1bd [ 381.496753] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 381.501069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.505365] lowmem_reserve[]: 0 0 0 0 [ 381.534623] ? lock_downgrade+0x900/0x900 [ 381.539438] 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 [ 381.543250] ? trace_hardirqs_off+0xb8/0x310 [ 381.547368] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 381.560895] ? trace_hardirqs_off+0xb8/0x310 [ 381.565276] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 381.580621] __alloc_pages_slowpath+0x2651/0x2de0 [ 381.585005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.598538] ? warn_alloc+0x120/0x120 [ 381.603341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.612179] ? print_usage_bug+0xc0/0xc0 [ 381.615960] 2220 total pagecache pages [ 381.624529] ? warn_alloc+0x120/0x120 [ 381.628585] 0 pages in swap cache [ 381.632474] ? warn_alloc+0x120/0x120 [ 381.636253] Swap cache stats: add 0, delete 0, find 0/0 [ 381.639707] ? print_usage_bug+0xc0/0xc0 [ 381.643480] Free swap = 0kB [ 381.648833] ? print_usage_bug+0xc0/0xc0 [ 381.652873] Total swap = 0kB [ 381.655897] ? __lock_acquire+0x62f/0x4c20 [ 381.659952] 1965979 pages RAM [ 381.662966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.667177] 0 pages HighMem/MovableOnly [ 381.670290] ? should_fail+0x22d/0xd01 [ 381.675799] 342854 pages reserved [ 381.679764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.683628] 0 pages cma reserved [ 381.687072] ? __lock_acquire+0x62f/0x4c20 [ 381.692226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.695516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.699808] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.706209] ? __lock_acquire+0x62f/0x4c20 [ 381.711289] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 381.721591] ? should_fail+0x22d/0xd01 [ 381.734335] ? find_held_lock+0x36/0x1c0 [ 381.738420] ? mark_held_locks+0x130/0x130 [ 381.742665] ? mark_held_locks+0x130/0x130 [ 381.746900] ? zap_class+0x640/0x640 [ 381.750615] ? zap_class+0x640/0x640 [ 381.754332] ? print_usage_bug+0xc0/0xc0 [ 381.758398] ? do_raw_spin_unlock+0xa7/0x330 [ 381.762834] ? zap_class+0x640/0x640 [ 381.766549] ? print_usage_bug+0xc0/0xc0 [ 381.770612] ? wq_watchdog_touch+0x9c/0xfe [ 381.774850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.780418] ? check_preemption_disabled+0x48/0x280 [ 381.785450] ? __lock_is_held+0xb5/0x140 [ 381.789523] __alloc_pages_nodemask+0xad8/0xea0 [ 381.794193] ? zap_class+0x640/0x640 [ 381.797918] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 381.802948] ? find_held_lock+0x36/0x1c0 [ 381.807017] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.811691] ? lock_downgrade+0x900/0x900 [ 381.815864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.821418] cache_grow_begin+0xa5/0x8c0 [ 381.825482] ? do_raw_spin_unlock+0xa7/0x330 [ 381.829901] fallback_alloc+0x204/0x2e0 [ 381.833898] ____cache_alloc_node+0x1c7/0x1e0 [ 381.838405] kmem_cache_alloc_node+0xe3/0x730 [ 381.842925] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.847187] __alloc_skb+0x119/0x770 [ 381.850905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.856193] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.860604] ? lock_downgrade+0x900/0x900 [ 381.864761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.870296] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.875756] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.881206] ? addrconf_rs_timer+0x690/0x690 [ 381.885631] ndisc_alloc_skb+0x144/0x340 [ 381.889709] ndisc_send_rs+0x331/0x6e0 [ 381.893616] addrconf_rs_timer+0x314/0x690 [ 381.897857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.902101] call_timer_fn+0x272/0x920 [ 381.905990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.910228] ? process_timeout+0x40/0x40 [ 381.914310] ? __run_timers+0x7da/0xc70 [ 381.918287] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.922781] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.927274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.931513] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.936098] ? trace_hardirqs_on+0xbd/0x310 [ 381.940429] ? kasan_check_read+0x11/0x20 [ 381.944575] ? __run_timers+0x7da/0xc70 [ 381.948550] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.953659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.957903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.962139] __run_timers+0x7e5/0xc70 [ 381.965951] ? timer_fixup_init+0x70/0x70 [ 381.970100] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.975120] ? zap_class+0x640/0x640 [ 381.978841] ? enqueue_hrtimer+0x1a5/0x560 [ 381.983078] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.988304] ? find_held_lock+0x36/0x1c0 [ 381.992374] ? zap_class+0x640/0x640 [ 381.996108] ? pvclock_read_flags+0x160/0x160 [ 382.000610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.006152] ? check_preemption_disabled+0x48/0x280 [ 382.011180] ? __lock_is_held+0xb5/0x140 [ 382.015244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.020786] ? check_preemption_disabled+0x48/0x280 [ 382.025808] run_timer_softirq+0x52/0xb0 [ 382.029870] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.034887] __do_softirq+0x308/0xb7e [ 382.038691] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.043189] ? lock_downgrade+0x900/0x900 [ 382.047340] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.052456] ? pvclock_read_flags+0x160/0x160 [ 382.056968] ? lapic_next_event+0x5a/0x90 [ 382.061137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.066710] ? kvm_clock_read+0x18/0x30 [ 382.070685] ? kvm_sched_clock_read+0x9/0x20 [ 382.075109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.080649] ? check_preemption_disabled+0x48/0x280 [ 382.085678] irq_exit+0x17f/0x1c0 [ 382.089134] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.093987] ? smp_reschedule_interrupt+0x109/0x650 [ 382.099006] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.104890] ? interrupt_entry+0xb5/0xc0 [ 382.108953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.113980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.118999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.123840] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.128856] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.133870] ? task_prio+0x50/0x50 [ 382.137425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.142960] ? check_preemption_disabled+0x48/0x280 [ 382.147998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.152851] apic_timer_interrupt+0xf/0x20 [ 382.157079] [ 382.159316] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.164246] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 382.183142] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 382.190849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 382.198262] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 382.205713] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 382.212983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 382.220274] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 382.227584] skb_clone+0x1bb/0x500 [ 382.231128] ? skb_split+0x11e0/0x11e0 [ 382.235024] ? preempt_notifier_register+0x200/0x200 [ 382.240123] ? __switch_to_asm+0x34/0x70 [ 382.244183] ? __switch_to_asm+0x34/0x70 [ 382.248241] ? __switch_to_asm+0x40/0x70 [ 382.252298] ? __switch_to_asm+0x34/0x70 [ 382.256357] ? __switch_to_asm+0x40/0x70 [ 382.260431] ? __switch_to_asm+0x40/0x70 [ 382.264495] ? __switch_to_asm+0x34/0x70 [ 382.268556] ? __switch_to_asm+0x34/0x70 [ 382.272614] ? __switch_to_asm+0x40/0x70 [ 382.276676] ? __switch_to_asm+0x34/0x70 [ 382.280741] bpf_clone_redirect+0xb9/0x490 [ 382.285004] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 382.290035] ? __sched_text_start+0x8/0x8 [ 382.294197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.298966] ? find_held_lock+0x36/0x1c0 [ 382.303056] ? lock_acquire+0x1ed/0x520 [ 382.307046] ? bpf_test_run+0x3ee/0x7a0 [ 382.311023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.316567] ? check_preemption_disabled+0x48/0x280 [ 382.321589] ? kasan_check_read+0x11/0x20 [ 382.325739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.331014] ? rcu_softirq_qs+0x20/0x20 [ 382.334987] ? preempt_schedule+0x4d/0x60 [ 382.339137] ? ___preempt_schedule+0x16/0x18 [ 382.343553] ? bpf_test_run+0x271/0x7a0 [ 382.347538] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.351955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.357496] ? bpf_test_init.isra.10+0x70/0x100 [ 382.362173] ? bpf_prog_test_run_skb+0x762/0xd60 [ 382.366944] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.371799] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.377336] ? fput+0x130/0x1a0 [ 382.380621] ? __bpf_prog_get+0x9b/0x290 [ 382.384687] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.389530] ? bpf_prog_test_run+0x130/0x1a0 [ 382.393941] ? __x64_sys_bpf+0x3d8/0x520 [ 382.398041] ? bpf_prog_get+0x20/0x20 [ 382.401861] ? do_syscall_64+0x1b9/0x820 [ 382.405918] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.411281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.416211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.421055] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.426075] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.431096] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.436121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.440984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.446380] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 382.446466] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.453320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.453325] Call Trace: [ 382.453343] dump_stack+0x244/0x39d [ 382.453368] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.459933] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.469200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.471764] syz-executor2 cpuset=syz2 mems_allowed=0 [ 382.475400] warn_alloc.cold.116+0xb7/0x1bd [ 382.505949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.510808] ? lock_downgrade+0x900/0x900 [ 382.514968] ? trace_hardirqs_off+0xb8/0x310 [ 382.519382] ? trace_hardirqs_off+0xb8/0x310 [ 382.523809] __alloc_pages_slowpath+0x2651/0x2de0 [ 382.528684] ? warn_alloc+0x120/0x120 [ 382.532506] ? print_usage_bug+0xc0/0xc0 [ 382.536572] ? warn_alloc+0x120/0x120 [ 382.540378] ? warn_alloc+0x120/0x120 [ 382.544192] ? print_usage_bug+0xc0/0xc0 [ 382.548258] ? print_usage_bug+0xc0/0xc0 [ 382.552320] ? __lock_acquire+0x62f/0x4c20 [ 382.556582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.562118] ? should_fail+0x22d/0xd01 [ 382.566010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.571116] ? __lock_acquire+0x62f/0x4c20 [ 382.575372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.580479] ? __lock_acquire+0x62f/0x4c20 [ 382.584711] ? should_fail+0x22d/0xd01 [ 382.588604] ? find_held_lock+0x36/0x1c0 [ 382.592681] ? mark_held_locks+0x130/0x130 [ 382.596937] ? mark_held_locks+0x130/0x130 [ 382.601175] ? zap_class+0x640/0x640 [ 382.604893] ? mark_held_locks+0xc7/0x130 [ 382.609050] ? do_raw_spin_unlock+0xa7/0x330 [ 382.613469] ? zap_class+0x640/0x640 [ 382.617186] ? print_usage_bug+0xc0/0xc0 [ 382.621254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.626812] ? check_preemption_disabled+0x48/0x280 [ 382.631839] ? __lock_is_held+0xb5/0x140 [ 382.635903] __alloc_pages_nodemask+0xad8/0xea0 [ 382.640576] ? zap_class+0x640/0x640 [ 382.644296] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 382.649330] ? find_held_lock+0x36/0x1c0 [ 382.653412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.658088] ? lock_downgrade+0x900/0x900 [ 382.662243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.667785] cache_grow_begin+0xa5/0x8c0 [ 382.671846] ? do_raw_spin_unlock+0xa7/0x330 [ 382.676264] fallback_alloc+0x204/0x2e0 [ 382.680247] ____cache_alloc_node+0x1c7/0x1e0 [ 382.684750] kmem_cache_alloc_node+0xe3/0x730 [ 382.689252] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.693498] __alloc_skb+0x119/0x770 [ 382.697213] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.702505] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.706917] ? lock_downgrade+0x900/0x900 [ 382.711106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.716647] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.722102] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.727553] ? addrconf_rs_timer+0x690/0x690 [ 382.731974] ndisc_alloc_skb+0x144/0x340 [ 382.736059] ndisc_send_rs+0x331/0x6e0 [ 382.739948] addrconf_rs_timer+0x314/0x690 [ 382.744188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.748440] call_timer_fn+0x272/0x920 [ 382.752333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.756570] ? process_timeout+0x40/0x40 [ 382.760643] ? __run_timers+0x7da/0xc70 [ 382.764618] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.769111] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.773603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.777838] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.782427] ? trace_hardirqs_on+0xbd/0x310 [ 382.786760] ? kasan_check_read+0x11/0x20 [ 382.790906] ? __run_timers+0x7da/0xc70 [ 382.794888] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.800000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.804242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.808475] __run_timers+0x7e5/0xc70 [ 382.812287] ? timer_fixup_init+0x70/0x70 [ 382.816436] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.820932] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.825444] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.830027] ? trace_hardirqs_on+0xbd/0x310 [ 382.834347] ? kasan_check_read+0x11/0x20 [ 382.838503] ? finish_task_switch+0x1f4/0x910 [ 382.843000] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.848105] ? compat_start_thread+0x80/0x80 [ 382.852535] ? pvclock_read_flags+0x160/0x160 [ 382.857025] ? __switch_to_asm+0x34/0x70 [ 382.861093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.866630] ? check_preemption_disabled+0x48/0x280 [ 382.871658] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 382.877197] ? rcu_pm_notify+0xc0/0xc0 [ 382.881099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.886681] ? check_preemption_disabled+0x48/0x280 [ 382.891701] run_timer_softirq+0x52/0xb0 [ 382.895763] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.900796] __do_softirq+0x308/0xb7e [ 382.904598] ? retint_kernel+0x2d/0x2d [ 382.908490] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.913595] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.919046] ? retint_kernel+0x2d/0x2d [ 382.922945] ? schedule+0x108/0x460 [ 382.926589] ? trace_hardirqs_off+0xb8/0x310 [ 382.931014] ? smpboot_thread_fn+0x68b/0xa00 [ 382.935467] ? trace_hardirqs_on+0x310/0x310 [ 382.939877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.945427] ? check_preemption_disabled+0x48/0x280 [ 382.950449] ? takeover_tasklets+0xa90/0xa90 [ 382.954859] run_ksoftirqd+0x5e/0x100 [ 382.958664] smpboot_thread_fn+0x68b/0xa00 [ 382.962903] ? sort_range+0x30/0x30 [ 382.966539] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.971642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.977183] ? __kthread_parkme+0xfb/0x1a0 [ 382.981456] ? sort_range+0x30/0x30 [ 382.985095] kthread+0x35a/0x440 [ 382.988510] ? kthread_stop+0x900/0x900 [ 382.992489] ret_from_fork+0x3a/0x50 [ 382.996221] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 382.996226] warn_alloc_show_mem: 1 callbacks suppressed [ 382.996233] Mem-Info: [ 383.003590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.008964] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 383.008964] active_file:133 inactive_file:117 isolated_file:0 [ 383.008964] unevictable:0 dirty:3 writeback:0 unstable:0 [ 383.008964] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 383.008964] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 383.008964] free:13727 free_pcp:164 free_cma:0 [ 383.011332] Call Trace: [ 383.020723] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 383.053910] [ 383.056485] 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 [ 383.084695] dump_stack+0x244/0x39d [ 383.086836] lowmem_reserve[]: 0 2818 6321 6321 [ 383.112939] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.116552] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 383.121144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.126315] lowmem_reserve[]: 0 0 3503 3503 [ 383.153910] warn_alloc.cold.116+0xb7/0x1bd [ 383.159425] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 383.163785] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.168092] lowmem_reserve[]: 0 0 0 0 [ 383.197336] ? lock_downgrade+0x900/0x900 [ 383.202151] 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 [ 383.205948] ? trace_hardirqs_off+0xb8/0x310 [ 383.210095] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 383.223614] ? trace_hardirqs_off+0xb8/0x310 [ 383.227995] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 383.243340] __alloc_pages_slowpath+0x2651/0x2de0 [ 383.247726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.261255] ? warn_alloc+0x120/0x120 [ 383.266062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.274886] ? print_usage_bug+0xc0/0xc0 [ 383.278660] 2220 total pagecache pages [ 383.287229] ? warn_alloc+0x120/0x120 [ 383.291277] 0 pages in swap cache [ 383.295151] ? warn_alloc+0x120/0x120 [ 383.298932] Swap cache stats: add 0, delete 0, find 0/0 [ 383.302372] ? print_usage_bug+0xc0/0xc0 [ 383.306158] Free swap = 0kB [ 383.311515] ? kvm_clock_read+0x18/0x30 [ 383.315553] Total swap = 0kB [ 383.318565] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.322521] 1965979 pages RAM [ 383.325534] ? print_usage_bug+0xc0/0xc0 [ 383.330529] 0 pages HighMem/MovableOnly [ 383.333627] ? __lock_acquire+0x62f/0x4c20 [ 383.337662] 342854 pages reserved [ 383.341629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.345840] 0 pages cma reserved [ 383.349286] ? should_fail+0x22d/0xd01 [ 383.354869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.358151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.358170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.362118] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.368527] ? __lock_acquire+0x62f/0x4c20 [ 383.373782] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 383.378879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.403169] ? __lock_acquire+0x62f/0x4c20 [ 383.407408] ? should_fail+0x22d/0xd01 [ 383.411300] ? rcu_irq_exit+0x1a2/0x390 [ 383.415287] ? mark_held_locks+0x130/0x130 [ 383.419527] ? mark_held_locks+0x130/0x130 [ 383.423770] ? mark_held_locks+0xc7/0x130 [ 383.427949] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.432995] ? zap_class+0x640/0x640 [ 383.436713] ? print_usage_bug+0xc0/0xc0 [ 383.440778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.446320] ? check_preemption_disabled+0x48/0x280 [ 383.451359] ? __lock_is_held+0xb5/0x140 [ 383.455446] __alloc_pages_nodemask+0xad8/0xea0 [ 383.460118] ? zap_class+0x640/0x640 [ 383.463838] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 383.468863] ? find_held_lock+0x36/0x1c0 [ 383.472938] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.477611] ? lock_downgrade+0x900/0x900 [ 383.481769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.487315] cache_grow_begin+0xa5/0x8c0 [ 383.491380] ? do_raw_spin_unlock+0xa7/0x330 [ 383.495809] fallback_alloc+0x204/0x2e0 [ 383.499797] ____cache_alloc_node+0x1c7/0x1e0 [ 383.504319] kmem_cache_alloc_node+0xe3/0x730 [ 383.508826] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.513068] __alloc_skb+0x119/0x770 [ 383.516797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.522076] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.526483] ? lock_downgrade+0x900/0x900 [ 383.530660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.536198] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.541655] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.547108] ? addrconf_rs_timer+0x690/0x690 [ 383.551530] ndisc_alloc_skb+0x144/0x340 [ 383.555600] ndisc_send_rs+0x331/0x6e0 [ 383.559497] addrconf_rs_timer+0x314/0x690 [ 383.563741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.567985] call_timer_fn+0x272/0x920 [ 383.571875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.576142] ? process_timeout+0x40/0x40 [ 383.580211] ? __run_timers+0x7da/0xc70 [ 383.584189] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.588684] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.593206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.597460] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.602043] ? trace_hardirqs_on+0xbd/0x310 [ 383.606368] ? kasan_check_read+0x11/0x20 [ 383.610525] ? __run_timers+0x7da/0xc70 [ 383.614502] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.619612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.623857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.628094] __run_timers+0x7e5/0xc70 [ 383.631908] ? timer_fixup_init+0x70/0x70 [ 383.636061] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.641083] ? zap_class+0x640/0x640 [ 383.644799] ? enqueue_hrtimer+0x1a5/0x560 [ 383.649051] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.654251] ? find_held_lock+0x36/0x1c0 [ 383.658320] ? zap_class+0x640/0x640 [ 383.662038] ? pvclock_read_flags+0x160/0x160 [ 383.666535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.672081] ? check_preemption_disabled+0x48/0x280 [ 383.677121] ? __lock_is_held+0xb5/0x140 [ 383.681185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.686721] ? check_preemption_disabled+0x48/0x280 [ 383.691746] run_timer_softirq+0x52/0xb0 [ 383.695809] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.700831] __do_softirq+0x308/0xb7e [ 383.704635] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.709131] ? lock_downgrade+0x900/0x900 [ 383.713283] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.718400] ? pvclock_read_flags+0x160/0x160 [ 383.722908] ? lapic_next_event+0x5a/0x90 [ 383.727060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.732604] ? kvm_clock_read+0x18/0x30 [ 383.736582] ? kvm_sched_clock_read+0x9/0x20 [ 383.740994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.746535] ? check_preemption_disabled+0x48/0x280 [ 383.751559] irq_exit+0x17f/0x1c0 [ 383.755031] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.759875] ? smp_reschedule_interrupt+0x109/0x650 [ 383.764921] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.770819] ? interrupt_entry+0xb5/0xc0 [ 383.774912] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.779930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.784954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.789798] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.794818] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.799847] ? task_prio+0x50/0x50 [ 383.803446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.808988] ? check_preemption_disabled+0x48/0x280 [ 383.814008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.818861] apic_timer_interrupt+0xf/0x20 [ 383.823093] [ 383.825361] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.830299] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 383.849199] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 383.856934] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.864197] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 383.871478] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 383.878745] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.886013] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 383.893340] skb_clone+0x1bb/0x500 [ 383.896896] ? skb_split+0x11e0/0x11e0 [ 383.900802] ? preempt_notifier_register+0x200/0x200 [ 383.905903] ? __switch_to_asm+0x34/0x70 [ 383.909964] ? __switch_to_asm+0x34/0x70 [ 383.914025] ? __switch_to_asm+0x40/0x70 [ 383.918088] ? __switch_to_asm+0x34/0x70 [ 383.922149] ? __switch_to_asm+0x40/0x70 [ 383.926207] ? __switch_to_asm+0x40/0x70 [ 383.930267] ? __switch_to_asm+0x34/0x70 [ 383.934327] ? __switch_to_asm+0x34/0x70 [ 383.938396] ? __switch_to_asm+0x40/0x70 [ 383.942464] ? __switch_to_asm+0x34/0x70 [ 383.946530] bpf_clone_redirect+0xb9/0x490 [ 383.950778] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 383.955797] ? __sched_text_start+0x8/0x8 [ 383.959975] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.964756] ? find_held_lock+0x36/0x1c0 [ 383.968825] ? lock_acquire+0x1ed/0x520 [ 383.972812] ? bpf_test_run+0x3ee/0x7a0 [ 383.976792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.982343] ? check_preemption_disabled+0x48/0x280 [ 383.987362] ? kasan_check_read+0x11/0x20 [ 383.991518] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.996794] ? rcu_softirq_qs+0x20/0x20 [ 384.000769] ? preempt_schedule+0x4d/0x60 [ 384.004917] ? ___preempt_schedule+0x16/0x18 [ 384.009334] ? bpf_test_run+0x271/0x7a0 [ 384.013317] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.017729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.023285] ? bpf_test_init.isra.10+0x70/0x100 [ 384.027964] ? bpf_prog_test_run_skb+0x762/0xd60 [ 384.032734] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.037603] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.043140] ? fput+0x130/0x1a0 [ 384.046438] ? __bpf_prog_get+0x9b/0x290 [ 384.050508] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.055354] ? bpf_prog_test_run+0x130/0x1a0 [ 384.059773] ? __x64_sys_bpf+0x3d8/0x520 [ 384.063849] ? bpf_prog_get+0x20/0x20 [ 384.067698] ? do_syscall_64+0x1b9/0x820 [ 384.071774] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.077160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.082086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.086928] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.091948] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.096967] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.101993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.106842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.112232] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 384.112300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.119157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.119163] Call Trace: [ 384.119181] dump_stack+0x244/0x39d [ 384.119200] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.119218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.125754] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.135055] warn_alloc.cold.116+0xb7/0x1bd [ 384.137612] syz-executor2 cpuset=syz2 mems_allowed=0 [ 384.141234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.176770] ? lock_downgrade+0x900/0x900 [ 384.180944] ? trace_hardirqs_off+0xb8/0x310 [ 384.185359] ? trace_hardirqs_off+0xb8/0x310 [ 384.189784] __alloc_pages_slowpath+0x2651/0x2de0 [ 384.195141] ? warn_alloc+0x120/0x120 [ 384.198946] ? print_usage_bug+0xc0/0xc0 [ 384.203012] ? warn_alloc+0x120/0x120 [ 384.206818] ? warn_alloc+0x120/0x120 [ 384.210625] ? print_usage_bug+0xc0/0xc0 [ 384.214692] ? print_usage_bug+0xc0/0xc0 [ 384.218759] ? __lock_acquire+0x62f/0x4c20 [ 384.223004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.228542] ? should_fail+0x22d/0xd01 [ 384.232434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.237539] ? __lock_acquire+0x62f/0x4c20 [ 384.241780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.246883] ? __lock_acquire+0x62f/0x4c20 [ 384.251130] ? should_fail+0x22d/0xd01 [ 384.255028] ? find_held_lock+0x36/0x1c0 [ 384.259097] ? mark_held_locks+0x130/0x130 [ 384.263339] ? mark_held_locks+0x130/0x130 [ 384.267576] ? zap_class+0x640/0x640 [ 384.271299] ? mark_held_locks+0xc7/0x130 [ 384.275449] ? do_raw_spin_unlock+0xa7/0x330 [ 384.279861] ? zap_class+0x640/0x640 [ 384.283580] ? print_usage_bug+0xc0/0xc0 [ 384.287648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.293202] ? check_preemption_disabled+0x48/0x280 [ 384.298226] ? __lock_is_held+0xb5/0x140 [ 384.302293] __alloc_pages_nodemask+0xad8/0xea0 [ 384.306966] ? zap_class+0x640/0x640 [ 384.310687] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 384.315714] ? find_held_lock+0x36/0x1c0 [ 384.319786] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.324463] ? lock_downgrade+0x900/0x900 [ 384.328622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.334184] cache_grow_begin+0xa5/0x8c0 [ 384.338247] ? do_raw_spin_unlock+0xa7/0x330 [ 384.342663] fallback_alloc+0x204/0x2e0 [ 384.346647] ____cache_alloc_node+0x1c7/0x1e0 [ 384.351147] kmem_cache_alloc_node+0xe3/0x730 [ 384.355643] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.359894] __alloc_skb+0x119/0x770 [ 384.363617] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.368921] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.373352] ? lock_downgrade+0x900/0x900 [ 384.377518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.383055] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.388512] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.393959] ? addrconf_rs_timer+0x690/0x690 [ 384.398372] ndisc_alloc_skb+0x144/0x340 [ 384.402442] ndisc_send_rs+0x331/0x6e0 [ 384.406333] addrconf_rs_timer+0x314/0x690 [ 384.410573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.414824] call_timer_fn+0x272/0x920 [ 384.418715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.422950] ? process_timeout+0x40/0x40 [ 384.427017] ? __run_timers+0x7da/0xc70 [ 384.430995] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.435488] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.439993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.444227] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.448814] ? trace_hardirqs_on+0xbd/0x310 [ 384.453159] ? kasan_check_read+0x11/0x20 [ 384.457302] ? __run_timers+0x7da/0xc70 [ 384.461276] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.466383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.470633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.474880] __run_timers+0x7e5/0xc70 [ 384.478697] ? timer_fixup_init+0x70/0x70 [ 384.482861] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.487368] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.491908] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.496499] ? trace_hardirqs_on+0xbd/0x310 [ 384.500817] ? kasan_check_read+0x11/0x20 [ 384.504984] ? finish_task_switch+0x1f4/0x910 [ 384.509503] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.514607] ? compat_start_thread+0x80/0x80 [ 384.519053] ? pvclock_read_flags+0x160/0x160 [ 384.523564] ? __switch_to_asm+0x34/0x70 [ 384.527630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.533168] ? check_preemption_disabled+0x48/0x280 [ 384.538209] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 384.543749] ? rcu_pm_notify+0xc0/0xc0 [ 384.547637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.553178] ? check_preemption_disabled+0x48/0x280 [ 384.558200] run_timer_softirq+0x52/0xb0 [ 384.562264] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.567279] __do_softirq+0x308/0xb7e [ 384.571085] ? retint_kernel+0x2d/0x2d [ 384.574976] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.580075] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.585523] ? retint_kernel+0x2d/0x2d [ 384.589421] ? schedule+0x108/0x460 [ 384.593059] ? trace_hardirqs_off+0xb8/0x310 [ 384.597470] ? smpboot_thread_fn+0x68b/0xa00 [ 384.601876] ? trace_hardirqs_on+0x310/0x310 [ 384.606302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.611841] ? check_preemption_disabled+0x48/0x280 [ 384.616861] ? takeover_tasklets+0xa90/0xa90 [ 384.621276] run_ksoftirqd+0x5e/0x100 [ 384.625094] smpboot_thread_fn+0x68b/0xa00 [ 384.629333] ? sort_range+0x30/0x30 [ 384.632977] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.638082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.643638] ? __kthread_parkme+0xfb/0x1a0 [ 384.647878] ? sort_range+0x30/0x30 [ 384.651509] kthread+0x35a/0x440 [ 384.654877] ? kthread_stop+0x900/0x900 [ 384.658871] ret_from_fork+0x3a/0x50 [ 384.662598] warn_alloc_show_mem: 1 callbacks suppressed [ 384.662611] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 384.662612] Mem-Info: [ 384.662646] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 384.662646] active_file:133 inactive_file:117 isolated_file:0 [ 384.662646] unevictable:0 dirty:3 writeback:0 unstable:0 [ 384.662646] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 384.662646] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 384.662646] free:13727 free_pcp:164 free_cma:0 [ 384.667992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.675373] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 384.677769] Call Trace: [ 384.710978] 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 [ 384.720323] [ 384.748065] lowmem_reserve[]: 0 2818 6321 6321 [ 384.750645] dump_stack+0x244/0x39d [ 384.776729] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.778890] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.783447] lowmem_reserve[]: 0 0 3503 3503 [ 384.787087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.814660] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 384.819847] warn_alloc.cold.116+0xb7/0x1bd [ 384.824140] lowmem_reserve[]: 0 0 0 0 [ 384.829685] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.858895] 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 [ 384.863213] ? lock_downgrade+0x900/0x900 [ 384.866989] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 384.871848] ? trace_hardirqs_off+0xb8/0x310 [ 384.885341] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 384.889482] ? trace_hardirqs_off+0xb8/0x310 [ 384.904815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.909215] __alloc_pages_slowpath+0x2651/0x2de0 [ 384.922718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.927133] ? warn_alloc+0x120/0x120 [ 384.935927] 2220 total pagecache pages [ 384.940760] ? print_usage_bug+0xc0/0xc0 [ 384.949343] 0 pages in swap cache [ 384.953145] ? warn_alloc+0x120/0x120 [ 384.957009] Swap cache stats: add 0, delete 0, find 0/0 [ 384.961055] ? warn_alloc+0x120/0x120 [ 384.964480] Free swap = 0kB [ 384.964488] Total swap = 0kB [ 384.968279] ? print_usage_bug+0xc0/0xc0 [ 384.973634] 1965979 pages RAM [ 384.977430] ? print_usage_bug+0xc0/0xc0 [ 384.980415] 0 pages HighMem/MovableOnly [ 384.980424] 342854 pages reserved [ 384.983442] ? __lock_acquire+0x62f/0x4c20 [ 384.987478] 0 pages cma reserved [ 384.990581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.994684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.998583] ? should_fail+0x22d/0xd01 [ 385.002093] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.006239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.009582] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 385.015126] ? __lock_acquire+0x62f/0x4c20 [ 385.049762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.054881] ? __lock_acquire+0x62f/0x4c20 [ 385.059131] ? should_fail+0x22d/0xd01 [ 385.063493] ? find_held_lock+0x36/0x1c0 [ 385.067564] ? mark_held_locks+0x130/0x130 [ 385.071803] ? mark_held_locks+0x130/0x130 [ 385.076037] ? zap_class+0x640/0x640 [ 385.079753] ? zap_class+0x640/0x640 [ 385.083468] ? print_usage_bug+0xc0/0xc0 [ 385.087527] ? do_raw_spin_unlock+0xa7/0x330 [ 385.091935] ? zap_class+0x640/0x640 [ 385.095650] ? print_usage_bug+0xc0/0xc0 [ 385.099739] ? wq_watchdog_touch+0x9c/0xfe [ 385.103978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.109519] ? check_preemption_disabled+0x48/0x280 [ 385.114546] ? __lock_is_held+0xb5/0x140 [ 385.118614] __alloc_pages_nodemask+0xad8/0xea0 [ 385.123286] ? zap_class+0x640/0x640 [ 385.127006] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 385.132037] ? find_held_lock+0x36/0x1c0 [ 385.136112] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.140783] ? lock_downgrade+0x900/0x900 [ 385.144951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.150512] cache_grow_begin+0xa5/0x8c0 [ 385.154587] ? do_raw_spin_unlock+0xa7/0x330 [ 385.159009] fallback_alloc+0x204/0x2e0 [ 385.162996] ____cache_alloc_node+0x1c7/0x1e0 [ 385.167502] kmem_cache_alloc_node+0xe3/0x730 [ 385.171999] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.176258] __alloc_skb+0x119/0x770 [ 385.179975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.185261] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.189668] ? lock_downgrade+0x900/0x900 [ 385.193826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.199363] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.204824] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.210281] ? addrconf_rs_timer+0x690/0x690 [ 385.214702] ndisc_alloc_skb+0x144/0x340 [ 385.218772] ndisc_send_rs+0x331/0x6e0 [ 385.222666] addrconf_rs_timer+0x314/0x690 [ 385.226921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.231184] call_timer_fn+0x272/0x920 [ 385.235071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.239310] ? process_timeout+0x40/0x40 [ 385.243380] ? __run_timers+0x7da/0xc70 [ 385.247384] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.251910] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.256416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.260656] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.265246] ? trace_hardirqs_on+0xbd/0x310 [ 385.269572] ? kasan_check_read+0x11/0x20 [ 385.273717] ? __run_timers+0x7da/0xc70 [ 385.277693] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.282809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.287052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.291291] __run_timers+0x7e5/0xc70 [ 385.295116] ? timer_fixup_init+0x70/0x70 [ 385.299269] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.304288] ? zap_class+0x640/0x640 [ 385.308007] ? enqueue_hrtimer+0x1a5/0x560 [ 385.312245] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.317449] ? find_held_lock+0x36/0x1c0 [ 385.321516] ? zap_class+0x640/0x640 [ 385.325233] ? pvclock_read_flags+0x160/0x160 [ 385.329730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.335273] ? check_preemption_disabled+0x48/0x280 [ 385.340301] ? __lock_is_held+0xb5/0x140 [ 385.344383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.349967] ? check_preemption_disabled+0x48/0x280 [ 385.354985] run_timer_softirq+0x52/0xb0 [ 385.359048] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.364083] __do_softirq+0x308/0xb7e [ 385.367889] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 385.372406] ? lock_downgrade+0x900/0x900 [ 385.376567] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.381677] ? pvclock_read_flags+0x160/0x160 [ 385.386179] ? lapic_next_event+0x5a/0x90 [ 385.390333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.395876] ? kvm_clock_read+0x18/0x30 [ 385.399882] ? kvm_sched_clock_read+0x9/0x20 [ 385.404296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.409833] ? check_preemption_disabled+0x48/0x280 [ 385.414861] irq_exit+0x17f/0x1c0 [ 385.418342] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.423187] ? smp_reschedule_interrupt+0x109/0x650 [ 385.428204] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.434089] ? interrupt_entry+0xb5/0xc0 [ 385.438149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.443164] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.448184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.453044] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.458071] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.463090] ? task_prio+0x50/0x50 [ 385.466630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.472167] ? check_preemption_disabled+0x48/0x280 [ 385.477191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.482073] apic_timer_interrupt+0xf/0x20 [ 385.486300] [ 385.488545] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 385.493500] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 385.512422] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 385.520128] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 385.527421] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 385.534691] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 385.541958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 385.549226] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 385.556534] skb_clone+0x1bb/0x500 [ 385.560083] ? skb_split+0x11e0/0x11e0 [ 385.563978] ? preempt_notifier_register+0x200/0x200 [ 385.569079] ? __switch_to_asm+0x34/0x70 [ 385.573144] ? __switch_to_asm+0x34/0x70 [ 385.577202] ? __switch_to_asm+0x40/0x70 [ 385.581265] ? __switch_to_asm+0x34/0x70 [ 385.585322] ? __switch_to_asm+0x40/0x70 [ 385.589383] ? __switch_to_asm+0x40/0x70 [ 385.593461] ? __switch_to_asm+0x34/0x70 [ 385.597525] ? __switch_to_asm+0x34/0x70 [ 385.601584] ? __switch_to_asm+0x40/0x70 [ 385.605647] ? __switch_to_asm+0x34/0x70 [ 385.609712] bpf_clone_redirect+0xb9/0x490 [ 385.613956] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 385.618973] ? __sched_text_start+0x8/0x8 [ 385.623119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.627892] ? find_held_lock+0x36/0x1c0 [ 385.631965] ? lock_acquire+0x1ed/0x520 [ 385.635940] ? bpf_test_run+0x3ee/0x7a0 [ 385.639917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.645458] ? check_preemption_disabled+0x48/0x280 [ 385.650482] ? kasan_check_read+0x11/0x20 [ 385.654631] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.659906] ? rcu_softirq_qs+0x20/0x20 [ 385.663886] ? preempt_schedule+0x4d/0x60 [ 385.668037] ? ___preempt_schedule+0x16/0x18 [ 385.672457] ? bpf_test_run+0x271/0x7a0 [ 385.676446] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.680860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.686408] ? bpf_test_init.isra.10+0x70/0x100 [ 385.691095] ? bpf_prog_test_run_skb+0x762/0xd60 [ 385.695859] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.700708] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.706250] ? fput+0x130/0x1a0 [ 385.709535] ? __bpf_prog_get+0x9b/0x290 [ 385.713633] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.718481] ? bpf_prog_test_run+0x130/0x1a0 [ 385.722910] ? __x64_sys_bpf+0x3d8/0x520 [ 385.726989] ? bpf_prog_get+0x20/0x20 [ 385.730810] ? do_syscall_64+0x1b9/0x820 [ 385.734876] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.740241] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.745169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.750020] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.755042] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.760064] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.765088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.769938] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.775327] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 385.775440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.782287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.782293] Call Trace: [ 385.782311] dump_stack+0x244/0x39d [ 385.782334] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.788880] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.798156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.800719] syz-executor2 cpuset=syz2 mems_allowed=0 [ 385.804346] warn_alloc.cold.116+0xb7/0x1bd [ 385.834932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.839779] ? lock_downgrade+0x900/0x900 [ 385.843952] ? trace_hardirqs_off+0xb8/0x310 [ 385.848383] ? trace_hardirqs_off+0xb8/0x310 [ 385.852812] __alloc_pages_slowpath+0x2651/0x2de0 [ 385.857683] ? warn_alloc+0x120/0x120 [ 385.861523] ? print_usage_bug+0xc0/0xc0 [ 385.865589] ? warn_alloc+0x120/0x120 [ 385.869405] ? warn_alloc+0x120/0x120 [ 385.873226] ? print_usage_bug+0xc0/0xc0 [ 385.877295] ? print_usage_bug+0xc0/0xc0 [ 385.881372] ? __lock_acquire+0x62f/0x4c20 [ 385.885640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.891181] ? should_fail+0x22d/0xd01 [ 385.895073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.900207] ? __lock_acquire+0x62f/0x4c20 [ 385.904450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.909553] ? __lock_acquire+0x62f/0x4c20 [ 385.913792] ? should_fail+0x22d/0xd01 [ 385.917684] ? find_held_lock+0x36/0x1c0 [ 385.921755] ? mark_held_locks+0x130/0x130 [ 385.926011] ? mark_held_locks+0x130/0x130 [ 385.930243] ? zap_class+0x640/0x640 [ 385.933963] ? mark_held_locks+0xc7/0x130 [ 385.938113] ? do_raw_spin_unlock+0xa7/0x330 [ 385.942539] ? zap_class+0x640/0x640 [ 385.946255] ? print_usage_bug+0xc0/0xc0 [ 385.950321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.955863] ? check_preemption_disabled+0x48/0x280 [ 385.960894] ? __lock_is_held+0xb5/0x140 [ 385.964965] __alloc_pages_nodemask+0xad8/0xea0 [ 385.969629] ? zap_class+0x640/0x640 [ 385.973351] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 385.978397] ? find_held_lock+0x36/0x1c0 [ 385.982471] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.987155] ? lock_downgrade+0x900/0x900 [ 385.991308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.996852] cache_grow_begin+0xa5/0x8c0 [ 386.000918] ? do_raw_spin_unlock+0xa7/0x330 [ 386.005334] fallback_alloc+0x204/0x2e0 [ 386.009316] ____cache_alloc_node+0x1c7/0x1e0 [ 386.013820] kmem_cache_alloc_node+0xe3/0x730 [ 386.018316] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.022565] __alloc_skb+0x119/0x770 [ 386.026278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.031560] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.036000] ? lock_downgrade+0x900/0x900 [ 386.040153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.045694] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.051153] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.056606] ? addrconf_rs_timer+0x690/0x690 [ 386.061045] ndisc_alloc_skb+0x144/0x340 [ 386.065115] ndisc_send_rs+0x331/0x6e0 [ 386.069009] addrconf_rs_timer+0x314/0x690 [ 386.073250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.077496] call_timer_fn+0x272/0x920 [ 386.081411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.085646] ? process_timeout+0x40/0x40 [ 386.089716] ? __run_timers+0x7da/0xc70 [ 386.093690] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.098199] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.102694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.106931] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.111515] ? trace_hardirqs_on+0xbd/0x310 [ 386.115837] ? kasan_check_read+0x11/0x20 [ 386.119984] ? __run_timers+0x7da/0xc70 [ 386.123965] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.129089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.133362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.137608] __run_timers+0x7e5/0xc70 [ 386.141446] ? timer_fixup_init+0x70/0x70 [ 386.145612] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.150110] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.154629] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.159218] ? trace_hardirqs_on+0xbd/0x310 [ 386.163555] ? kasan_check_read+0x11/0x20 [ 386.167706] ? finish_task_switch+0x1f4/0x910 [ 386.172202] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.177307] ? compat_start_thread+0x80/0x80 [ 386.181739] ? pvclock_read_flags+0x160/0x160 [ 386.186232] ? __switch_to_asm+0x34/0x70 [ 386.190297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.195993] ? check_preemption_disabled+0x48/0x280 [ 386.201020] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 386.206560] ? rcu_pm_notify+0xc0/0xc0 [ 386.210454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.215994] ? check_preemption_disabled+0x48/0x280 [ 386.221014] run_timer_softirq+0x52/0xb0 [ 386.225105] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.230173] __do_softirq+0x308/0xb7e [ 386.233988] ? retint_kernel+0x2d/0x2d [ 386.237880] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.242991] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.248442] ? retint_kernel+0x2d/0x2d [ 386.252334] ? schedule+0x108/0x460 [ 386.255984] ? trace_hardirqs_off+0xb8/0x310 [ 386.260411] ? smpboot_thread_fn+0x68b/0xa00 [ 386.264823] ? trace_hardirqs_on+0x310/0x310 [ 386.269247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.274817] ? check_preemption_disabled+0x48/0x280 [ 386.279837] ? takeover_tasklets+0xa90/0xa90 [ 386.284252] run_ksoftirqd+0x5e/0x100 [ 386.288082] smpboot_thread_fn+0x68b/0xa00 [ 386.292321] ? sort_range+0x30/0x30 [ 386.295948] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.301051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.306590] ? __kthread_parkme+0xfb/0x1a0 [ 386.310830] ? sort_range+0x30/0x30 [ 386.314460] kthread+0x35a/0x440 [ 386.317828] ? kthread_stop+0x900/0x900 [ 386.321805] ret_from_fork+0x3a/0x50 [ 386.325542] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 386.325548] warn_alloc_show_mem: 1 callbacks suppressed [ 386.325556] Mem-Info: [ 386.332912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.338284] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 386.338284] active_file:133 inactive_file:117 isolated_file:0 [ 386.338284] unevictable:0 dirty:3 writeback:0 unstable:0 [ 386.338284] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 386.338284] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 386.338284] free:13727 free_pcp:164 free_cma:0 [ 386.340655] Call Trace: [ 386.350044] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 386.383236] [ 386.385805] 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 [ 386.413563] dump_stack+0x244/0x39d [ 386.415690] lowmem_reserve[]: 0 2818 6321 6321 [ 386.441798] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.445404] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.449986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.455150] lowmem_reserve[]: 0 0 3503 3503 [ 386.482739] warn_alloc.cold.116+0xb7/0x1bd [ 386.488247] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 386.492561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.496858] lowmem_reserve[]: 0 0 0 0 [ 386.526114] ? lock_downgrade+0x900/0x900 [ 386.530957] 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 [ 386.534754] ? trace_hardirqs_off+0xb8/0x310 [ 386.538887] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 386.552428] ? trace_hardirqs_off+0xb8/0x310 [ 386.556804] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 386.572144] __alloc_pages_slowpath+0x2651/0x2de0 [ 386.576531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.590074] ? warn_alloc+0x120/0x120 [ 386.594876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.603699] ? print_usage_bug+0xc0/0xc0 [ 386.607475] 2220 total pagecache pages [ 386.616039] ? warn_alloc+0x120/0x120 [ 386.620083] 0 pages in swap cache [ 386.623962] ? warn_alloc+0x120/0x120 [ 386.627745] Swap cache stats: add 0, delete 0, find 0/0 [ 386.631188] ? print_usage_bug+0xc0/0xc0 [ 386.634982] Free swap = 0kB [ 386.640340] ? print_usage_bug+0xc0/0xc0 [ 386.644400] Total swap = 0kB [ 386.647433] ? __lock_acquire+0x62f/0x4c20 [ 386.651487] 1965979 pages RAM [ 386.654502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.658711] 0 pages HighMem/MovableOnly [ 386.661823] ? should_fail+0x22d/0xd01 [ 386.667334] 342854 pages reserved [ 386.671310] ? __lock_acquire+0x62f/0x4c20 [ 386.675167] 0 pages cma reserved [ 386.678616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.682898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.686189] ? __lock_acquire+0x62f/0x4c20 [ 386.691349] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.697756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.701965] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 386.712274] ? __lock_acquire+0x62f/0x4c20 [ 386.726230] ? should_fail+0x22d/0xd01 [ 386.730127] ? mark_held_locks+0x130/0x130 [ 386.734367] ? mark_held_locks+0x130/0x130 [ 386.738612] ? zap_class+0x640/0x640 [ 386.742336] ? zap_class+0x640/0x640 [ 386.746049] ? print_usage_bug+0xc0/0xc0 [ 386.750116] ? wq_watchdog_touch+0x9c/0xfe [ 386.754358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.759910] ? check_preemption_disabled+0x48/0x280 [ 386.764938] ? __lock_is_held+0xb5/0x140 [ 386.769006] __alloc_pages_nodemask+0xad8/0xea0 [ 386.773675] ? zap_class+0x640/0x640 [ 386.777404] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 386.782445] ? find_held_lock+0x36/0x1c0 [ 386.786518] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.791189] ? lock_downgrade+0x900/0x900 [ 386.795344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.800892] cache_grow_begin+0xa5/0x8c0 [ 386.804965] ? do_raw_spin_unlock+0xa7/0x330 [ 386.809423] fallback_alloc+0x204/0x2e0 [ 386.813422] ____cache_alloc_node+0x1c7/0x1e0 [ 386.817925] kmem_cache_alloc_node+0xe3/0x730 [ 386.822433] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.826684] __alloc_skb+0x119/0x770 [ 386.830437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.835725] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.840138] ? lock_downgrade+0x900/0x900 [ 386.844295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.849832] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.855288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.860737] ? addrconf_rs_timer+0x690/0x690 [ 386.865155] ndisc_alloc_skb+0x144/0x340 [ 386.869233] ndisc_send_rs+0x331/0x6e0 [ 386.873144] addrconf_rs_timer+0x314/0x690 [ 386.877383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.881644] call_timer_fn+0x272/0x920 [ 386.885534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.889772] ? process_timeout+0x40/0x40 [ 386.893842] ? __run_timers+0x7da/0xc70 [ 386.897817] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.902308] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.906804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.911036] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.915618] ? trace_hardirqs_on+0xbd/0x310 [ 386.919943] ? kasan_check_read+0x11/0x20 [ 386.924088] ? __run_timers+0x7da/0xc70 [ 386.928067] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.933194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.937447] __run_timers+0x7e5/0xc70 [ 386.941283] ? timer_fixup_init+0x70/0x70 [ 386.945445] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.950463] ? zap_class+0x640/0x640 [ 386.954181] ? enqueue_hrtimer+0x1a5/0x560 [ 386.958434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.963636] ? find_held_lock+0x36/0x1c0 [ 386.967721] ? zap_class+0x640/0x640 [ 386.971448] ? pvclock_read_flags+0x160/0x160 [ 386.975960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.981503] ? check_preemption_disabled+0x48/0x280 [ 386.986528] ? __lock_is_held+0xb5/0x140 [ 386.990610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.996151] ? check_preemption_disabled+0x48/0x280 [ 387.001189] run_timer_softirq+0x52/0xb0 [ 387.005251] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.010274] __do_softirq+0x308/0xb7e [ 387.014079] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.018573] ? lock_downgrade+0x900/0x900 [ 387.022727] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.027838] ? pvclock_read_flags+0x160/0x160 [ 387.032344] ? lapic_next_event+0x5a/0x90 [ 387.036498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.042040] ? kvm_clock_read+0x18/0x30 [ 387.046015] ? kvm_sched_clock_read+0x9/0x20 [ 387.050434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.055987] ? check_preemption_disabled+0x48/0x280 [ 387.061516] irq_exit+0x17f/0x1c0 [ 387.064989] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.069848] ? smp_reschedule_interrupt+0x109/0x650 [ 387.074883] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.080770] ? interrupt_entry+0xb5/0xc0 [ 387.084837] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.089856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.094895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.099757] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.104788] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.109807] ? task_prio+0x50/0x50 [ 387.113348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.118900] ? check_preemption_disabled+0x48/0x280 [ 387.123919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.128849] apic_timer_interrupt+0xf/0x20 [ 387.133075] [ 387.135318] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.140250] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 387.159179] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 387.166916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.174183] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 387.181448] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 387.188715] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.195999] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 387.203304] skb_clone+0x1bb/0x500 [ 387.206852] ? skb_split+0x11e0/0x11e0 [ 387.210761] ? preempt_notifier_register+0x200/0x200 [ 387.215863] ? __switch_to_asm+0x34/0x70 [ 387.219935] ? __switch_to_asm+0x34/0x70 [ 387.223992] ? __switch_to_asm+0x40/0x70 [ 387.228068] ? __switch_to_asm+0x34/0x70 [ 387.232124] ? __switch_to_asm+0x40/0x70 [ 387.236182] ? __switch_to_asm+0x40/0x70 [ 387.240256] ? __switch_to_asm+0x34/0x70 [ 387.244319] ? __switch_to_asm+0x34/0x70 [ 387.248381] ? __switch_to_asm+0x40/0x70 [ 387.252460] ? __switch_to_asm+0x34/0x70 [ 387.256524] bpf_clone_redirect+0xb9/0x490 [ 387.260767] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 387.265788] ? __sched_text_start+0x8/0x8 [ 387.269945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.274730] ? find_held_lock+0x36/0x1c0 [ 387.278800] ? lock_acquire+0x1ed/0x520 [ 387.282774] ? bpf_test_run+0x3ee/0x7a0 [ 387.286748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.292292] ? check_preemption_disabled+0x48/0x280 [ 387.297357] ? kasan_check_read+0x11/0x20 [ 387.301521] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.306829] ? rcu_softirq_qs+0x20/0x20 [ 387.310803] ? preempt_schedule+0x4d/0x60 [ 387.314954] ? ___preempt_schedule+0x16/0x18 [ 387.319371] ? bpf_test_run+0x271/0x7a0 [ 387.323370] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.327800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.333366] ? bpf_test_init.isra.10+0x70/0x100 [ 387.338051] ? bpf_prog_test_run_skb+0x762/0xd60 [ 387.342835] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.347686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.353239] ? fput+0x130/0x1a0 [ 387.356525] ? __bpf_prog_get+0x9b/0x290 [ 387.360589] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.365452] ? bpf_prog_test_run+0x130/0x1a0 [ 387.369862] ? __x64_sys_bpf+0x3d8/0x520 [ 387.373928] ? bpf_prog_get+0x20/0x20 [ 387.377748] ? do_syscall_64+0x1b9/0x820 [ 387.381809] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.387191] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.392118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.396964] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.401986] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.407007] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.412026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.416896] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.422281] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 387.422351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.429205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.429211] Call Trace: [ 387.429229] dump_stack+0x244/0x39d [ 387.429248] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.429264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.435826] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.445108] warn_alloc.cold.116+0xb7/0x1bd [ 387.447669] syz-executor2 cpuset=syz2 mems_allowed=0 [ 387.451289] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.486677] ? lock_downgrade+0x900/0x900 [ 387.490850] ? trace_hardirqs_off+0xb8/0x310 [ 387.495266] ? trace_hardirqs_off+0xb8/0x310 [ 387.499686] __alloc_pages_slowpath+0x2651/0x2de0 [ 387.504564] ? warn_alloc+0x120/0x120 [ 387.508375] ? print_usage_bug+0xc0/0xc0 [ 387.512446] ? warn_alloc+0x120/0x120 [ 387.516252] ? warn_alloc+0x120/0x120 [ 387.520052] ? print_usage_bug+0xc0/0xc0 [ 387.524132] ? print_usage_bug+0xc0/0xc0 [ 387.528193] ? __lock_acquire+0x62f/0x4c20 [ 387.532433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.537976] ? should_fail+0x22d/0xd01 [ 387.541871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.546979] ? __lock_acquire+0x62f/0x4c20 [ 387.551224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.556329] ? __lock_acquire+0x62f/0x4c20 [ 387.560568] ? should_fail+0x22d/0xd01 [ 387.564455] ? find_held_lock+0x36/0x1c0 [ 387.568526] ? mark_held_locks+0x130/0x130 [ 387.572768] ? mark_held_locks+0x130/0x130 [ 387.577007] ? zap_class+0x640/0x640 [ 387.580726] ? mark_held_locks+0xc7/0x130 [ 387.584875] ? do_raw_spin_unlock+0xa7/0x330 [ 387.589290] ? zap_class+0x640/0x640 [ 387.593006] ? print_usage_bug+0xc0/0xc0 [ 387.597078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.602616] ? check_preemption_disabled+0x48/0x280 [ 387.607643] ? __lock_is_held+0xb5/0x140 [ 387.611711] __alloc_pages_nodemask+0xad8/0xea0 [ 387.616379] ? zap_class+0x640/0x640 [ 387.620111] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 387.625138] ? find_held_lock+0x36/0x1c0 [ 387.629212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.633884] ? lock_downgrade+0x900/0x900 [ 387.638055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.643594] cache_grow_begin+0xa5/0x8c0 [ 387.647657] ? do_raw_spin_unlock+0xa7/0x330 [ 387.652073] fallback_alloc+0x204/0x2e0 [ 387.656087] ____cache_alloc_node+0x1c7/0x1e0 [ 387.660592] kmem_cache_alloc_node+0xe3/0x730 [ 387.665092] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.669336] __alloc_skb+0x119/0x770 [ 387.673048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.678331] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.682744] ? lock_downgrade+0x900/0x900 [ 387.686900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.692449] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.697904] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.703363] ? addrconf_rs_timer+0x690/0x690 [ 387.707792] ndisc_alloc_skb+0x144/0x340 [ 387.711877] ndisc_send_rs+0x331/0x6e0 [ 387.715776] addrconf_rs_timer+0x314/0x690 [ 387.720015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.724265] call_timer_fn+0x272/0x920 [ 387.728153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.732396] ? process_timeout+0x40/0x40 [ 387.736468] ? __run_timers+0x7da/0xc70 [ 387.740446] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.744942] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.749438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.753674] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.758258] ? trace_hardirqs_on+0xbd/0x310 [ 387.762583] ? kasan_check_read+0x11/0x20 [ 387.766736] ? __run_timers+0x7da/0xc70 [ 387.770716] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.775823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.780065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.784301] __run_timers+0x7e5/0xc70 [ 387.788113] ? timer_fixup_init+0x70/0x70 [ 387.792259] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.796754] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.801253] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.805861] ? trace_hardirqs_on+0xbd/0x310 [ 387.810214] ? kasan_check_read+0x11/0x20 [ 387.814362] ? finish_task_switch+0x1f4/0x910 [ 387.818866] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.823966] ? compat_start_thread+0x80/0x80 [ 387.828406] ? pvclock_read_flags+0x160/0x160 [ 387.832901] ? __switch_to_asm+0x34/0x70 [ 387.836967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.842537] ? check_preemption_disabled+0x48/0x280 [ 387.847563] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 387.853106] ? rcu_pm_notify+0xc0/0xc0 [ 387.857007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.862546] ? check_preemption_disabled+0x48/0x280 [ 387.867565] run_timer_softirq+0x52/0xb0 [ 387.871628] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.876645] __do_softirq+0x308/0xb7e [ 387.880453] ? retint_kernel+0x2d/0x2d [ 387.884344] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.889449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.894921] ? retint_kernel+0x2d/0x2d [ 387.898815] ? schedule+0x108/0x460 [ 387.902458] ? trace_hardirqs_off+0xb8/0x310 [ 387.906899] ? smpboot_thread_fn+0x68b/0xa00 [ 387.911313] ? trace_hardirqs_on+0x310/0x310 [ 387.915726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.921267] ? check_preemption_disabled+0x48/0x280 [ 387.926283] ? takeover_tasklets+0xa90/0xa90 [ 387.930692] run_ksoftirqd+0x5e/0x100 [ 387.934493] smpboot_thread_fn+0x68b/0xa00 [ 387.938732] ? sort_range+0x30/0x30 [ 387.942363] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.947481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.953020] ? __kthread_parkme+0xfb/0x1a0 [ 387.957272] ? sort_range+0x30/0x30 [ 387.960904] kthread+0x35a/0x440 [ 387.964281] ? kthread_stop+0x900/0x900 [ 387.968270] ret_from_fork+0x3a/0x50 [ 387.972006] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 387.972011] warn_alloc_show_mem: 1 callbacks suppressed [ 387.972019] Mem-Info: [ 387.979372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.984746] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 387.984746] active_file:133 inactive_file:117 isolated_file:0 [ 387.984746] unevictable:0 dirty:3 writeback:0 unstable:0 [ 387.984746] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 387.984746] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 387.984746] free:13727 free_pcp:164 free_cma:0 [ 387.987120] Call Trace: [ 387.996509] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 388.029701] [ 388.032275] 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 [ 388.060030] dump_stack+0x244/0x39d [ 388.062167] lowmem_reserve[]: 0 2818 6321 6321 [ 388.088269] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.091875] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 388.096457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.101619] lowmem_reserve[]: 0 0 3503 3503 [ 388.129203] warn_alloc.cold.116+0xb7/0x1bd [ 388.134712] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 388.139042] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.143340] lowmem_reserve[]: 0 0 0 0 [ 388.172573] ? lock_downgrade+0x900/0x900 [ 388.177398] 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 [ 388.181212] ? trace_hardirqs_off+0xb8/0x310 [ 388.185334] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 388.198976] ? trace_hardirqs_off+0xb8/0x310 [ 388.203361] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 388.218704] __alloc_pages_slowpath+0x2651/0x2de0 [ 388.223091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.236668] ? warn_alloc+0x120/0x120 [ 388.241451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.250273] ? print_usage_bug+0xc0/0xc0 [ 388.254048] 2220 total pagecache pages [ 388.262614] ? warn_alloc+0x120/0x120 [ 388.266655] 0 pages in swap cache [ 388.270532] ? warn_alloc+0x120/0x120 [ 388.274314] Swap cache stats: add 0, delete 0, find 0/0 [ 388.277775] ? print_usage_bug+0xc0/0xc0 [ 388.281551] Free swap = 0kB [ 388.286927] ? print_usage_bug+0xc0/0xc0 [ 388.290963] Total swap = 0kB [ 388.293979] ? __lock_acquire+0x62f/0x4c20 [ 388.298014] 1965979 pages RAM [ 388.301029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.305253] 0 pages HighMem/MovableOnly [ 388.308353] ? should_fail+0x22d/0xd01 [ 388.313862] 342854 pages reserved [ 388.317829] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.321695] 0 pages cma reserved [ 388.325154] ? __lock_acquire+0x62f/0x4c20 [ 388.330301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.333590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.337857] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.344306] ? __lock_acquire+0x62f/0x4c20 [ 388.349405] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 388.359736] ? should_fail+0x22d/0xd01 [ 388.372499] ? mark_held_locks+0x130/0x130 [ 388.376742] ? mark_held_locks+0x130/0x130 [ 388.380975] ? zap_class+0x640/0x640 [ 388.384719] ? zap_class+0x640/0x640 [ 388.388442] ? print_usage_bug+0xc0/0xc0 [ 388.392504] ? do_raw_spin_unlock+0xa7/0x330 [ 388.396913] ? zap_class+0x640/0x640 [ 388.400631] ? print_usage_bug+0xc0/0xc0 [ 388.404694] ? wq_watchdog_touch+0x9c/0xfe [ 388.408976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.414529] ? check_preemption_disabled+0x48/0x280 [ 388.419555] ? __lock_is_held+0xb5/0x140 [ 388.423622] __alloc_pages_nodemask+0xad8/0xea0 [ 388.428292] ? zap_class+0x640/0x640 [ 388.432010] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 388.437041] ? find_held_lock+0x36/0x1c0 [ 388.441160] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.445831] ? lock_downgrade+0x900/0x900 [ 388.449985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.455532] cache_grow_begin+0xa5/0x8c0 [ 388.459608] ? do_raw_spin_unlock+0xa7/0x330 [ 388.464027] fallback_alloc+0x204/0x2e0 [ 388.468021] ____cache_alloc_node+0x1c7/0x1e0 [ 388.472524] kmem_cache_alloc_node+0xe3/0x730 [ 388.477021] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.481285] __alloc_skb+0x119/0x770 [ 388.485012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.490292] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.494701] ? lock_downgrade+0x900/0x900 [ 388.498856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.504402] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.509865] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.515315] ? addrconf_rs_timer+0x690/0x690 [ 388.519735] ndisc_alloc_skb+0x144/0x340 [ 388.523801] ndisc_send_rs+0x331/0x6e0 [ 388.527694] addrconf_rs_timer+0x314/0x690 [ 388.531950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.536209] call_timer_fn+0x272/0x920 [ 388.540097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.544334] ? process_timeout+0x40/0x40 [ 388.548416] ? __run_timers+0x7da/0xc70 [ 388.552406] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.556919] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.561428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.565663] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.570247] ? trace_hardirqs_on+0xbd/0x310 [ 388.574566] ? kasan_check_read+0x11/0x20 [ 388.578714] ? __run_timers+0x7da/0xc70 [ 388.582693] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.587811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.592044] __run_timers+0x7e5/0xc70 [ 388.595857] ? timer_fixup_init+0x70/0x70 [ 388.600004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.605020] ? zap_class+0x640/0x640 [ 388.608794] ? enqueue_hrtimer+0x1a5/0x560 [ 388.613045] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.618241] ? find_held_lock+0x36/0x1c0 [ 388.622306] ? zap_class+0x640/0x640 [ 388.626025] ? pvclock_read_flags+0x160/0x160 [ 388.630528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.636065] ? check_preemption_disabled+0x48/0x280 [ 388.641124] ? __lock_is_held+0xb5/0x140 [ 388.645187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.650728] ? check_preemption_disabled+0x48/0x280 [ 388.655755] run_timer_softirq+0x52/0xb0 [ 388.659816] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.664834] __do_softirq+0x308/0xb7e [ 388.668638] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.673130] ? lock_downgrade+0x900/0x900 [ 388.677312] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.682436] ? pvclock_read_flags+0x160/0x160 [ 388.687016] ? lapic_next_event+0x5a/0x90 [ 388.691179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.696725] ? kvm_clock_read+0x18/0x30 [ 388.700702] ? kvm_sched_clock_read+0x9/0x20 [ 388.705140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.710692] ? check_preemption_disabled+0x48/0x280 [ 388.715723] irq_exit+0x17f/0x1c0 [ 388.719181] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.724025] ? smp_reschedule_interrupt+0x109/0x650 [ 388.729050] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.734934] ? interrupt_entry+0xb5/0xc0 [ 388.738996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.744015] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.749061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.753909] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.758924] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.763945] ? task_prio+0x50/0x50 [ 388.767489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.773029] ? check_preemption_disabled+0x48/0x280 [ 388.778061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.782918] apic_timer_interrupt+0xf/0x20 [ 388.787149] [ 388.789417] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.794352] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 388.813251] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 388.820953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.828216] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 388.835484] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 388.842753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 388.850020] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 388.857324] skb_clone+0x1bb/0x500 [ 388.860865] ? skb_split+0x11e0/0x11e0 [ 388.864790] ? preempt_notifier_register+0x200/0x200 [ 388.869901] ? __switch_to_asm+0x34/0x70 [ 388.873963] ? __switch_to_asm+0x34/0x70 [ 388.878024] ? __switch_to_asm+0x40/0x70 [ 388.882079] ? __switch_to_asm+0x34/0x70 [ 388.886142] ? __switch_to_asm+0x40/0x70 [ 388.890202] ? __switch_to_asm+0x40/0x70 [ 388.894258] ? __switch_to_asm+0x34/0x70 [ 388.898322] ? __switch_to_asm+0x34/0x70 [ 388.902383] ? __switch_to_asm+0x40/0x70 [ 388.906455] ? __switch_to_asm+0x34/0x70 [ 388.910521] bpf_clone_redirect+0xb9/0x490 [ 388.914767] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 388.919789] ? __sched_text_start+0x8/0x8 [ 388.923938] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.928706] ? find_held_lock+0x36/0x1c0 [ 388.932780] ? lock_acquire+0x1ed/0x520 [ 388.936756] ? bpf_test_run+0x3ee/0x7a0 [ 388.940731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.946272] ? check_preemption_disabled+0x48/0x280 [ 388.951291] ? kasan_check_read+0x11/0x20 [ 388.955457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.960746] ? rcu_softirq_qs+0x20/0x20 [ 388.964722] ? preempt_schedule+0x4d/0x60 [ 388.968871] ? ___preempt_schedule+0x16/0x18 [ 388.973290] ? bpf_test_run+0x271/0x7a0 [ 388.977297] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.981713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.987251] ? bpf_test_init.isra.10+0x70/0x100 [ 388.991922] ? bpf_prog_test_run_skb+0x762/0xd60 [ 388.996687] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.001535] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.007073] ? fput+0x130/0x1a0 [ 389.010361] ? __bpf_prog_get+0x9b/0x290 [ 389.014442] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.019322] ? bpf_prog_test_run+0x130/0x1a0 [ 389.023748] ? __x64_sys_bpf+0x3d8/0x520 [ 389.027811] ? bpf_prog_get+0x20/0x20 [ 389.031630] ? do_syscall_64+0x1b9/0x820 [ 389.035697] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.041083] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.046032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.050923] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.055940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.061433] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.066474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.071323] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.076706] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 389.076774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.083634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.083639] Call Trace: [ 389.083657] dump_stack+0x244/0x39d [ 389.083676] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.083693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.090249] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.099520] warn_alloc.cold.116+0xb7/0x1bd [ 389.102079] syz-executor2 cpuset=syz2 mems_allowed=0 [ 389.105703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.141079] ? lock_downgrade+0x900/0x900 [ 389.145240] ? trace_hardirqs_off+0xb8/0x310 [ 389.149683] ? trace_hardirqs_off+0xb8/0x310 [ 389.154130] __alloc_pages_slowpath+0x2651/0x2de0 [ 389.159013] ? warn_alloc+0x120/0x120 [ 389.162819] ? print_usage_bug+0xc0/0xc0 [ 389.166881] ? warn_alloc+0x120/0x120 [ 389.170693] ? warn_alloc+0x120/0x120 [ 389.174495] ? print_usage_bug+0xc0/0xc0 [ 389.178560] ? print_usage_bug+0xc0/0xc0 [ 389.182626] ? __lock_acquire+0x62f/0x4c20 [ 389.186880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.192426] ? should_fail+0x22d/0xd01 [ 389.196321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.201425] ? __lock_acquire+0x62f/0x4c20 [ 389.205665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.210771] ? __lock_acquire+0x62f/0x4c20 [ 389.215009] ? should_fail+0x22d/0xd01 [ 389.218897] ? find_held_lock+0x36/0x1c0 [ 389.222987] ? mark_held_locks+0x130/0x130 [ 389.227238] ? mark_held_locks+0x130/0x130 [ 389.231489] ? zap_class+0x640/0x640 [ 389.235206] ? zap_class+0x640/0x640 [ 389.238942] ? print_usage_bug+0xc0/0xc0 [ 389.242998] ? do_raw_spin_unlock+0xa7/0x330 [ 389.247415] ? zap_class+0x640/0x640 [ 389.251133] ? print_usage_bug+0xc0/0xc0 [ 389.255206] ? wq_watchdog_touch+0x9c/0xfe [ 389.259445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.264988] ? check_preemption_disabled+0x48/0x280 [ 389.270012] ? __lock_is_held+0xb5/0x140 [ 389.274110] __alloc_pages_nodemask+0xad8/0xea0 [ 389.278778] ? zap_class+0x640/0x640 [ 389.282498] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 389.287537] ? find_held_lock+0x36/0x1c0 [ 389.291609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.296278] ? lock_downgrade+0x900/0x900 [ 389.300433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.305974] cache_grow_begin+0xa5/0x8c0 [ 389.310031] ? do_raw_spin_unlock+0xa7/0x330 [ 389.314449] fallback_alloc+0x204/0x2e0 [ 389.318436] ____cache_alloc_node+0x1c7/0x1e0 [ 389.322942] kmem_cache_alloc_node+0xe3/0x730 [ 389.327441] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.331688] __alloc_skb+0x119/0x770 [ 389.335410] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.340693] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.345102] ? lock_downgrade+0x900/0x900 [ 389.349261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.354804] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.360259] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.365712] ? addrconf_rs_timer+0x690/0x690 [ 389.370134] ndisc_alloc_skb+0x144/0x340 [ 389.374201] ndisc_send_rs+0x331/0x6e0 [ 389.378102] addrconf_rs_timer+0x314/0x690 [ 389.382338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.386599] call_timer_fn+0x272/0x920 [ 389.390492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.394728] ? process_timeout+0x40/0x40 [ 389.398800] ? __run_timers+0x7da/0xc70 [ 389.402776] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.407274] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.411771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.416010] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.420607] ? trace_hardirqs_on+0xbd/0x310 [ 389.424948] ? kasan_check_read+0x11/0x20 [ 389.429097] ? __run_timers+0x7da/0xc70 [ 389.433074] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.438198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.442453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.446700] __run_timers+0x7e5/0xc70 [ 389.450512] ? timer_fixup_init+0x70/0x70 [ 389.454660] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.459154] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.463654] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.468251] ? trace_hardirqs_on+0xbd/0x310 [ 389.472601] ? kasan_check_read+0x11/0x20 [ 389.476773] ? finish_task_switch+0x1f4/0x910 [ 389.481273] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.486381] ? compat_start_thread+0x80/0x80 [ 389.490821] ? pvclock_read_flags+0x160/0x160 [ 389.495315] ? __switch_to_asm+0x34/0x70 [ 389.499380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.504935] ? check_preemption_disabled+0x48/0x280 [ 389.509962] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.515530] ? rcu_pm_notify+0xc0/0xc0 [ 389.519428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.524970] ? check_preemption_disabled+0x48/0x280 [ 389.529993] run_timer_softirq+0x52/0xb0 [ 389.534057] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.539098] __do_softirq+0x308/0xb7e [ 389.542901] ? retint_kernel+0x2d/0x2d [ 389.546799] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.551907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.557361] ? retint_kernel+0x2d/0x2d [ 389.561262] ? schedule+0x108/0x460 [ 389.564899] ? trace_hardirqs_off+0xb8/0x310 [ 389.569311] ? smpboot_thread_fn+0x68b/0xa00 [ 389.573721] ? trace_hardirqs_on+0x310/0x310 [ 389.578132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.583675] ? check_preemption_disabled+0x48/0x280 [ 389.588692] ? takeover_tasklets+0xa90/0xa90 [ 389.593104] run_ksoftirqd+0x5e/0x100 [ 389.596904] smpboot_thread_fn+0x68b/0xa00 [ 389.601151] ? sort_range+0x30/0x30 [ 389.604777] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.609883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.615432] ? __kthread_parkme+0xfb/0x1a0 [ 389.619674] ? sort_range+0x30/0x30 [ 389.623302] kthread+0x35a/0x440 [ 389.626670] ? kthread_stop+0x900/0x900 [ 389.630646] ret_from_fork+0x3a/0x50 [ 389.634373] warn_alloc_show_mem: 1 callbacks suppressed [ 389.634385] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 389.634395] Mem-Info: [ 389.634428] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 389.634428] active_file:133 inactive_file:117 isolated_file:0 [ 389.634428] unevictable:0 dirty:3 writeback:0 unstable:0 [ 389.634428] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 389.634428] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 389.634428] free:13727 free_pcp:164 free_cma:0 [ 389.639774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.647153] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 389.649567] Call Trace: [ 389.682776] 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 [ 389.692120] [ 389.719862] lowmem_reserve[]: 0 2818 6321 6321 [ 389.722451] dump_stack+0x244/0x39d [ 389.748533] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 389.750678] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.755233] lowmem_reserve[]: 0 0 3503 3503 [ 389.758859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.786414] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 389.791620] warn_alloc.cold.116+0xb7/0x1bd [ 389.795914] lowmem_reserve[]: 0 0 0 0 [ 389.801451] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.830659] 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 [ 389.834987] ? lock_downgrade+0x900/0x900 [ 389.838765] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 389.843635] ? trace_hardirqs_off+0xb8/0x310 [ 389.857129] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 389.861282] ? trace_hardirqs_off+0xb8/0x310 [ 389.876610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.881006] __alloc_pages_slowpath+0x2651/0x2de0 [ 389.894503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.898923] ? warn_alloc+0x120/0x120 [ 389.907718] 2220 total pagecache pages [ 389.912583] ? print_usage_bug+0xc0/0xc0 [ 389.921137] 0 pages in swap cache [ 389.924925] ? warn_alloc+0x120/0x120 [ 389.924958] ? warn_alloc+0x120/0x120 [ 389.928856] Swap cache stats: add 0, delete 0, find 0/0 [ 389.932907] ? print_usage_bug+0xc0/0xc0 [ 389.936341] Free swap = 0kB [ 389.940130] ? kvm_clock_read+0x18/0x30 [ 389.943904] Total swap = 0kB [ 389.949276] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.953311] 1965979 pages RAM [ 389.956325] ? print_usage_bug+0xc0/0xc0 [ 389.960276] 0 pages HighMem/MovableOnly [ 389.963291] ? __lock_acquire+0x62f/0x4c20 [ 389.968285] 342854 pages reserved [ 389.971385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.975431] 0 pages cma reserved [ 389.979417] ? should_fail+0x22d/0xd01 [ 389.983708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.987060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.987078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.992674] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.995957] ? __lock_acquire+0x62f/0x4c20 [ 389.999819] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 390.006321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.040938] ? __lock_acquire+0x62f/0x4c20 [ 390.045171] ? should_fail+0x22d/0xd01 [ 390.049060] ? rcu_irq_exit+0x1a2/0x390 [ 390.053057] ? mark_held_locks+0x130/0x130 [ 390.057329] ? mark_held_locks+0x130/0x130 [ 390.061584] ? mark_held_locks+0xc7/0x130 [ 390.065733] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 390.070764] ? zap_class+0x640/0x640 [ 390.074481] ? print_usage_bug+0xc0/0xc0 [ 390.078548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.084089] ? check_preemption_disabled+0x48/0x280 [ 390.089126] ? __lock_is_held+0xb5/0x140 [ 390.093208] __alloc_pages_nodemask+0xad8/0xea0 [ 390.097892] ? zap_class+0x640/0x640 [ 390.101639] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 390.106684] ? find_held_lock+0x36/0x1c0 [ 390.110759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.115465] ? lock_downgrade+0x900/0x900 [ 390.119622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.125171] cache_grow_begin+0xa5/0x8c0 [ 390.129236] ? do_raw_spin_unlock+0xa7/0x330 [ 390.133700] fallback_alloc+0x204/0x2e0 [ 390.137685] ____cache_alloc_node+0x1c7/0x1e0 [ 390.142185] kmem_cache_alloc_node+0xe3/0x730 [ 390.146680] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.150944] __alloc_skb+0x119/0x770 [ 390.154673] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.159960] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.164373] ? lock_downgrade+0x900/0x900 [ 390.168542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.174110] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.179569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.185017] ? addrconf_rs_timer+0x690/0x690 [ 390.189462] ndisc_alloc_skb+0x144/0x340 [ 390.193698] ndisc_send_rs+0x331/0x6e0 [ 390.197595] addrconf_rs_timer+0x314/0x690 [ 390.201840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.206088] call_timer_fn+0x272/0x920 [ 390.209979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.214214] ? process_timeout+0x40/0x40 [ 390.218295] ? __run_timers+0x7da/0xc70 [ 390.222268] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.226765] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.231262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.235499] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.240082] ? trace_hardirqs_on+0xbd/0x310 [ 390.244433] ? kasan_check_read+0x11/0x20 [ 390.248583] ? __run_timers+0x7da/0xc70 [ 390.252560] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.257671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.261915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.266150] __run_timers+0x7e5/0xc70 [ 390.269986] ? timer_fixup_init+0x70/0x70 [ 390.274151] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.279166] ? zap_class+0x640/0x640 [ 390.282883] ? enqueue_hrtimer+0x1a5/0x560 [ 390.287123] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.292332] ? find_held_lock+0x36/0x1c0 [ 390.296405] ? zap_class+0x640/0x640 [ 390.300158] ? pvclock_read_flags+0x160/0x160 [ 390.304655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.310193] ? check_preemption_disabled+0x48/0x280 [ 390.315216] ? __lock_is_held+0xb5/0x140 [ 390.319282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.324819] ? check_preemption_disabled+0x48/0x280 [ 390.329840] run_timer_softirq+0x52/0xb0 [ 390.333901] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.338917] __do_softirq+0x308/0xb7e [ 390.342722] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.347219] ? lock_downgrade+0x900/0x900 [ 390.351370] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.356515] ? pvclock_read_flags+0x160/0x160 [ 390.361015] ? lapic_next_event+0x5a/0x90 [ 390.365167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.370710] ? kvm_clock_read+0x18/0x30 [ 390.374701] ? kvm_sched_clock_read+0x9/0x20 [ 390.379114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.384651] ? check_preemption_disabled+0x48/0x280 [ 390.389679] irq_exit+0x17f/0x1c0 [ 390.393132] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.397977] ? smp_reschedule_interrupt+0x109/0x650 [ 390.403007] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.408919] ? interrupt_entry+0xb5/0xc0 [ 390.412980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.418007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.423042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.427914] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.432951] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.437968] ? task_prio+0x50/0x50 [ 390.441513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.447069] ? check_preemption_disabled+0x48/0x280 [ 390.452091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.456946] apic_timer_interrupt+0xf/0x20 [ 390.461175] [ 390.463434] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.468368] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 390.487274] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 390.494977] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.502240] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 390.509516] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 390.516779] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.524046] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 390.531349] skb_clone+0x1bb/0x500 [ 390.534897] ? skb_split+0x11e0/0x11e0 [ 390.538792] ? preempt_notifier_register+0x200/0x200 [ 390.543895] ? __switch_to_asm+0x34/0x70 [ 390.547952] ? __switch_to_asm+0x34/0x70 [ 390.552011] ? __switch_to_asm+0x40/0x70 [ 390.556068] ? __switch_to_asm+0x34/0x70 [ 390.560143] ? __switch_to_asm+0x40/0x70 [ 390.564233] ? __switch_to_asm+0x40/0x70 [ 390.568289] ? __switch_to_asm+0x34/0x70 [ 390.572347] ? __switch_to_asm+0x34/0x70 [ 390.576419] ? __switch_to_asm+0x40/0x70 [ 390.580477] ? __switch_to_asm+0x34/0x70 [ 390.584548] bpf_clone_redirect+0xb9/0x490 [ 390.588835] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 390.593852] ? __sched_text_start+0x8/0x8 [ 390.598011] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.602775] ? find_held_lock+0x36/0x1c0 [ 390.606874] ? lock_acquire+0x1ed/0x520 [ 390.610863] ? bpf_test_run+0x3ee/0x7a0 [ 390.614835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.620371] ? check_preemption_disabled+0x48/0x280 [ 390.625448] ? kasan_check_read+0x11/0x20 [ 390.629600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.634874] ? rcu_softirq_qs+0x20/0x20 [ 390.638849] ? preempt_schedule+0x4d/0x60 [ 390.642997] ? ___preempt_schedule+0x16/0x18 [ 390.647426] ? bpf_test_run+0x271/0x7a0 [ 390.651430] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.655844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.661407] ? bpf_test_init.isra.10+0x70/0x100 [ 390.666117] ? bpf_prog_test_run_skb+0x762/0xd60 [ 390.670930] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.675810] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.681347] ? fput+0x130/0x1a0 [ 390.684636] ? __bpf_prog_get+0x9b/0x290 [ 390.688701] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.693548] ? bpf_prog_test_run+0x130/0x1a0 [ 390.697961] ? __x64_sys_bpf+0x3d8/0x520 [ 390.702021] ? bpf_prog_get+0x20/0x20 [ 390.705859] ? do_syscall_64+0x1b9/0x820 [ 390.709934] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.715306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.720238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.725083] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.730102] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.735122] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.740163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.745011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.750404] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 390.750480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.757336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.757345] Call Trace: [ 390.763924] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.773175] dump_stack+0x244/0x39d [ 390.775737] syz-executor2 cpuset=syz2 mems_allowed=0 [ 390.786218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.800094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.805641] warn_alloc.cold.116+0xb7/0x1bd [ 390.809970] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.814822] ? lock_downgrade+0x900/0x900 [ 390.818980] ? trace_hardirqs_off+0xb8/0x310 [ 390.823402] ? trace_hardirqs_off+0xb8/0x310 [ 390.827825] __alloc_pages_slowpath+0x2651/0x2de0 [ 390.832713] ? warn_alloc+0x120/0x120 [ 390.836516] ? print_usage_bug+0xc0/0xc0 [ 390.840578] ? warn_alloc+0x120/0x120 [ 390.844400] ? warn_alloc+0x120/0x120 [ 390.848214] ? print_usage_bug+0xc0/0xc0 [ 390.852282] ? print_usage_bug+0xc0/0xc0 [ 390.856346] ? __lock_acquire+0x62f/0x4c20 [ 390.860586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.866126] ? should_fail+0x22d/0xd01 [ 390.870018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.875121] ? __lock_acquire+0x62f/0x4c20 [ 390.879364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.884476] ? __lock_acquire+0x62f/0x4c20 [ 390.888712] ? should_fail+0x22d/0xd01 [ 390.892603] ? find_held_lock+0x36/0x1c0 [ 390.896676] ? mark_held_locks+0x130/0x130 [ 390.900920] ? mark_held_locks+0x130/0x130 [ 390.905153] ? zap_class+0x640/0x640 [ 390.908873] ? mark_held_locks+0xc7/0x130 [ 390.913022] ? do_raw_spin_unlock+0xa7/0x330 [ 390.917455] ? zap_class+0x640/0x640 [ 390.921172] ? print_usage_bug+0xc0/0xc0 [ 390.925238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.930777] ? check_preemption_disabled+0x48/0x280 [ 390.935802] ? __lock_is_held+0xb5/0x140 [ 390.939887] __alloc_pages_nodemask+0xad8/0xea0 [ 390.944560] ? zap_class+0x640/0x640 [ 390.948279] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 390.953308] ? find_held_lock+0x36/0x1c0 [ 390.957379] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.962066] ? lock_downgrade+0x900/0x900 [ 390.966220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.971760] cache_grow_begin+0xa5/0x8c0 [ 390.975822] ? do_raw_spin_unlock+0xa7/0x330 [ 390.980238] fallback_alloc+0x204/0x2e0 [ 390.984222] ____cache_alloc_node+0x1c7/0x1e0 [ 390.988722] kmem_cache_alloc_node+0xe3/0x730 [ 390.993221] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.997467] __alloc_skb+0x119/0x770 [ 391.001183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.006467] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.010893] ? lock_downgrade+0x900/0x900 [ 391.015051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.020588] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.026046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.031496] ? addrconf_rs_timer+0x690/0x690 [ 391.035922] ndisc_alloc_skb+0x144/0x340 [ 391.039989] ndisc_send_rs+0x331/0x6e0 [ 391.043887] addrconf_rs_timer+0x314/0x690 [ 391.048131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.052377] call_timer_fn+0x272/0x920 [ 391.056291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.060534] ? process_timeout+0x40/0x40 [ 391.064604] ? __run_timers+0x7da/0xc70 [ 391.068583] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.073091] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.077588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.081822] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.086434] ? trace_hardirqs_on+0xbd/0x310 [ 391.090761] ? kasan_check_read+0x11/0x20 [ 391.094908] ? __run_timers+0x7da/0xc70 [ 391.098890] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.103999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.108236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.112468] __run_timers+0x7e5/0xc70 [ 391.116283] ? timer_fixup_init+0x70/0x70 [ 391.120433] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.124930] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.129444] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.134030] ? trace_hardirqs_on+0xbd/0x310 [ 391.138350] ? kasan_check_read+0x11/0x20 [ 391.142501] ? finish_task_switch+0x1f4/0x910 [ 391.147010] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.152112] ? compat_start_thread+0x80/0x80 [ 391.156542] ? pvclock_read_flags+0x160/0x160 [ 391.161036] ? __switch_to_asm+0x34/0x70 [ 391.165098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.170634] ? check_preemption_disabled+0x48/0x280 [ 391.175662] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 391.181201] ? rcu_pm_notify+0xc0/0xc0 [ 391.185094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.190635] ? check_preemption_disabled+0x48/0x280 [ 391.195658] run_timer_softirq+0x52/0xb0 [ 391.199724] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.204747] __do_softirq+0x308/0xb7e [ 391.208582] ? retint_kernel+0x2d/0x2d [ 391.212479] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.217584] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.223045] ? retint_kernel+0x2d/0x2d [ 391.226942] ? schedule+0x108/0x460 [ 391.230582] ? trace_hardirqs_off+0xb8/0x310 [ 391.235038] ? smpboot_thread_fn+0x68b/0xa00 [ 391.239462] ? trace_hardirqs_on+0x310/0x310 [ 391.243876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.249425] ? check_preemption_disabled+0x48/0x280 [ 391.254447] ? takeover_tasklets+0xa90/0xa90 [ 391.258871] run_ksoftirqd+0x5e/0x100 [ 391.262696] smpboot_thread_fn+0x68b/0xa00 [ 391.266976] ? sort_range+0x30/0x30 [ 391.270599] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.275706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.281245] ? __kthread_parkme+0xfb/0x1a0 [ 391.285490] ? sort_range+0x30/0x30 [ 391.289119] kthread+0x35a/0x440 [ 391.292489] ? kthread_stop+0x900/0x900 [ 391.296468] ret_from_fork+0x3a/0x50 [ 391.300201] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 391.300206] warn_alloc_show_mem: 1 callbacks suppressed [ 391.300214] Mem-Info: [ 391.307571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.312941] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 391.312941] active_file:133 inactive_file:117 isolated_file:0 [ 391.312941] unevictable:0 dirty:3 writeback:0 unstable:0 [ 391.312941] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 391.312941] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 391.312941] free:13727 free_pcp:164 free_cma:0 [ 391.315307] Call Trace: [ 391.324696] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 391.357883] [ 391.360453] 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 [ 391.388216] dump_stack+0x244/0x39d [ 391.390342] lowmem_reserve[]: 0 2818 6321 6321 [ 391.416447] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.420050] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 391.424626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.429789] lowmem_reserve[]: 0 0 3503 3503 [ 391.457370] warn_alloc.cold.116+0xb7/0x1bd [ 391.462881] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 391.467223] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.471534] lowmem_reserve[]: 0 0 0 0 [ 391.500764] ? lock_downgrade+0x900/0x900 [ 391.505586] 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 [ 391.509386] ? trace_hardirqs_off+0xb8/0x310 [ 391.513514] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 391.527035] ? trace_hardirqs_off+0xb8/0x310 [ 391.531415] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 391.546779] __alloc_pages_slowpath+0x2651/0x2de0 [ 391.551163] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.564705] ? warn_alloc+0x120/0x120 [ 391.569510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.578330] ? print_usage_bug+0xc0/0xc0 [ 391.582105] 2220 total pagecache pages [ 391.590669] ? warn_alloc+0x120/0x120 [ 391.594713] 0 pages in swap cache [ 391.598625] ? warn_alloc+0x120/0x120 [ 391.602411] Swap cache stats: add 0, delete 0, find 0/0 [ 391.605874] ? print_usage_bug+0xc0/0xc0 [ 391.609647] Free swap = 0kB [ 391.615035] ? kvm_clock_read+0x18/0x30 [ 391.619072] Total swap = 0kB [ 391.622087] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.626035] 1965979 pages RAM [ 391.629050] ? print_usage_bug+0xc0/0xc0 [ 391.634044] 0 pages HighMem/MovableOnly [ 391.637141] ? __lock_acquire+0x62f/0x4c20 [ 391.641179] 342854 pages reserved [ 391.645163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.649375] 0 pages cma reserved [ 391.652828] ? should_fail+0x22d/0xd01 [ 391.658433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.661696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.661715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.661732] ? __lock_acquire+0x62f/0x4c20 [ 391.666168] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.672088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.672107] ? __lock_acquire+0x62f/0x4c20 [ 391.677517] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 391.682607] ? should_fail+0x22d/0xd01 [ 391.682625] ? rcu_irq_exit+0x1a2/0x390 [ 391.682650] ? mark_held_locks+0x130/0x130 [ 391.723355] ? mark_held_locks+0x130/0x130 [ 391.727609] ? mark_held_locks+0xc7/0x130 [ 391.731770] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 391.736830] ? zap_class+0x640/0x640 [ 391.740561] ? print_usage_bug+0xc0/0xc0 [ 391.744629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.750167] ? check_preemption_disabled+0x48/0x280 [ 391.755198] ? __lock_is_held+0xb5/0x140 [ 391.759281] __alloc_pages_nodemask+0xad8/0xea0 [ 391.763950] ? zap_class+0x640/0x640 [ 391.767670] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 391.772697] ? find_held_lock+0x36/0x1c0 [ 391.776784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.781455] ? lock_downgrade+0x900/0x900 [ 391.785616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.791161] cache_grow_begin+0xa5/0x8c0 [ 391.795222] ? do_raw_spin_unlock+0xa7/0x330 [ 391.799637] fallback_alloc+0x204/0x2e0 [ 391.803619] ____cache_alloc_node+0x1c7/0x1e0 [ 391.808138] kmem_cache_alloc_node+0xe3/0x730 [ 391.812633] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.816893] __alloc_skb+0x119/0x770 [ 391.820607] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.825888] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.830309] ? lock_downgrade+0x900/0x900 [ 391.834465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.840007] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.845464] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.850916] ? addrconf_rs_timer+0x690/0x690 [ 391.855338] ndisc_alloc_skb+0x144/0x340 [ 391.859418] ndisc_send_rs+0x331/0x6e0 [ 391.863314] addrconf_rs_timer+0x314/0x690 [ 391.867558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.871801] call_timer_fn+0x272/0x920 [ 391.875684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.879942] ? process_timeout+0x40/0x40 [ 391.884008] ? __run_timers+0x7da/0xc70 [ 391.887983] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.892478] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.896970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.901218] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.905799] ? trace_hardirqs_on+0xbd/0x310 [ 391.910152] ? kasan_check_read+0x11/0x20 [ 391.914313] ? __run_timers+0x7da/0xc70 [ 391.918285] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.923406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.927647] __run_timers+0x7e5/0xc70 [ 391.931471] ? timer_fixup_init+0x70/0x70 [ 391.935618] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.940633] ? zap_class+0x640/0x640 [ 391.944352] ? enqueue_hrtimer+0x1a5/0x560 [ 391.948591] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.953788] ? find_held_lock+0x36/0x1c0 [ 391.957854] ? zap_class+0x640/0x640 [ 391.961572] ? pvclock_read_flags+0x160/0x160 [ 391.966074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.971617] ? check_preemption_disabled+0x48/0x280 [ 391.976658] ? __lock_is_held+0xb5/0x140 [ 391.980720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.986259] ? check_preemption_disabled+0x48/0x280 [ 391.991279] run_timer_softirq+0x52/0xb0 [ 391.995340] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.000372] __do_softirq+0x308/0xb7e [ 392.004205] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 392.008719] ? lock_downgrade+0x900/0x900 [ 392.012872] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.017982] ? pvclock_read_flags+0x160/0x160 [ 392.022483] ? lapic_next_event+0x5a/0x90 [ 392.026635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.032180] ? kvm_clock_read+0x18/0x30 [ 392.036151] ? kvm_sched_clock_read+0x9/0x20 [ 392.040577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.046113] ? check_preemption_disabled+0x48/0x280 [ 392.051137] irq_exit+0x17f/0x1c0 [ 392.054607] smp_apic_timer_interrupt+0x1cb/0x760 [ 392.059450] ? smp_reschedule_interrupt+0x109/0x650 [ 392.064466] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.070355] ? interrupt_entry+0xb5/0xc0 [ 392.074437] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.079453] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.084485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.089340] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.094405] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.099447] ? task_prio+0x50/0x50 [ 392.102989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.108558] ? check_preemption_disabled+0x48/0x280 [ 392.113599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.118466] apic_timer_interrupt+0xf/0x20 [ 392.122698] [ 392.124952] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 392.129881] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 392.148792] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 392.156516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 392.163800] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 392.171065] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 392.178331] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 392.185622] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 392.192924] skb_clone+0x1bb/0x500 [ 392.196467] ? skb_split+0x11e0/0x11e0 [ 392.200359] ? preempt_notifier_register+0x200/0x200 [ 392.205471] ? __switch_to_asm+0x34/0x70 [ 392.209560] ? __switch_to_asm+0x34/0x70 [ 392.213620] ? __switch_to_asm+0x40/0x70 [ 392.217682] ? __switch_to_asm+0x34/0x70 [ 392.221739] ? __switch_to_asm+0x40/0x70 [ 392.225803] ? __switch_to_asm+0x40/0x70 [ 392.229862] ? __switch_to_asm+0x34/0x70 [ 392.233923] ? __switch_to_asm+0x34/0x70 [ 392.237988] ? __switch_to_asm+0x40/0x70 [ 392.242050] ? __switch_to_asm+0x34/0x70 [ 392.246114] bpf_clone_redirect+0xb9/0x490 [ 392.250356] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 392.255383] ? __sched_text_start+0x8/0x8 [ 392.259547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 392.264313] ? find_held_lock+0x36/0x1c0 [ 392.268384] ? lock_acquire+0x1ed/0x520 [ 392.272373] ? bpf_test_run+0x3ee/0x7a0 [ 392.276363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.281911] ? check_preemption_disabled+0x48/0x280 [ 392.286933] ? kasan_check_read+0x11/0x20 [ 392.291084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.296360] ? rcu_softirq_qs+0x20/0x20 [ 392.300345] ? preempt_schedule+0x4d/0x60 [ 392.304495] ? ___preempt_schedule+0x16/0x18 [ 392.308913] ? bpf_test_run+0x271/0x7a0 [ 392.312900] ? netlink_diag_dump+0x2a0/0x2a0 [ 392.317312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.322863] ? bpf_test_init.isra.10+0x70/0x100 [ 392.327565] ? bpf_prog_test_run_skb+0x762/0xd60 [ 392.332336] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.337191] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 392.342727] ? fput+0x130/0x1a0 [ 392.346014] ? __bpf_prog_get+0x9b/0x290 [ 392.350095] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.354958] ? bpf_prog_test_run+0x130/0x1a0 [ 392.359364] ? __x64_sys_bpf+0x3d8/0x520 [ 392.363434] ? bpf_prog_get+0x20/0x20 [ 392.367319] ? do_syscall_64+0x1b9/0x820 [ 392.371380] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 392.376764] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.381693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.386539] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.391557] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 392.396580] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.401606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.406462] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.411843] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 392.411911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.418775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.418784] Call Trace: [ 392.425374] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.434626] dump_stack+0x244/0x39d [ 392.437190] syz-executor2 cpuset=syz2 mems_allowed=0 [ 392.447668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.461540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.467102] warn_alloc.cold.116+0xb7/0x1bd [ 392.471428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.476278] ? lock_downgrade+0x900/0x900 [ 392.480434] ? trace_hardirqs_off+0xb8/0x310 [ 392.484850] ? trace_hardirqs_off+0xb8/0x310 [ 392.489270] __alloc_pages_slowpath+0x2651/0x2de0 [ 392.494141] ? warn_alloc+0x120/0x120 [ 392.497949] ? warn_alloc+0x120/0x120 [ 392.501766] ? __bfs+0xb0/0x780 [ 392.505046] ? warn_alloc+0x120/0x120 [ 392.508862] ? print_usage_bug+0xc0/0xc0 [ 392.512927] ? lockdep_on+0x50/0x50 [ 392.516557] ? print_bfs_bug+0x80/0x80 [ 392.520454] ? trace_hardirqs_off+0xb8/0x310 [ 392.524883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.530426] ? should_fail+0x22d/0xd01 [ 392.534323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.539430] ? __lock_acquire+0x62f/0x4c20 [ 392.543674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.548778] ? __lock_acquire+0x2aff/0x4c20 [ 392.553113] ? should_fail+0x22d/0xd01 [ 392.556997] ? print_usage_bug+0xc0/0xc0 [ 392.561067] ? mark_held_locks+0x130/0x130 [ 392.565304] ? mark_held_locks+0x130/0x130 [ 392.569558] ? zap_class+0x640/0x640 [ 392.573301] ? ret_from_fork+0x3a/0x50 [ 392.577192] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 392.583079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.588635] ? check_preemption_disabled+0x48/0x280 [ 392.593660] ? __lock_is_held+0xb5/0x140 [ 392.597727] __alloc_pages_nodemask+0xad8/0xea0 [ 392.602406] ? zap_class+0x640/0x640 [ 392.606144] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 392.611171] ? find_held_lock+0x36/0x1c0 [ 392.615239] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.619907] ? lock_downgrade+0x900/0x900 [ 392.624074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.629616] cache_grow_begin+0xa5/0x8c0 [ 392.633682] ? do_raw_spin_unlock+0xa7/0x330 [ 392.638100] fallback_alloc+0x204/0x2e0 [ 392.642081] ____cache_alloc_node+0x1c7/0x1e0 [ 392.646582] kmem_cache_alloc_node+0xe3/0x730 [ 392.651079] ? mark_held_locks+0xc7/0x130 [ 392.655256] __alloc_skb+0x119/0x770 [ 392.659004] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.663427] ? do_raw_spin_trylock+0x270/0x270 [ 392.668013] ? kmem_cache_alloc_trace+0x353/0x750 [ 392.672860] ? queue_work_on+0x12c/0x1e0 [ 392.676944] ? switchdev_port_obj_del+0xdc/0x440 [ 392.681704] ? switchdev_trans_item_enqueue+0x260/0x260 [ 392.687066] ? mod_timer+0x631/0x1560 [ 392.690862] ? wake_up_klogd+0x180/0x180 [ 392.694931] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.699960] __br_mdb_notify+0x4ff/0x15d0 [ 392.704120] ? __br_mdb_add+0x7f0/0x7f0 [ 392.708096] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.713227] ? zap_class+0x640/0x640 [ 392.716958] ? br_multicast_group_expired+0x96/0x610 [ 392.722084] br_mdb_notify+0x310/0x410 [ 392.725970] ? br_mdb_dump+0x27b0/0x27b0 [ 392.730038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.735590] br_multicast_group_expired+0x1bc/0x610 [ 392.740611] ? br_mdb_free+0x80/0x80 [ 392.744340] call_timer_fn+0x272/0x920 [ 392.748245] ? br_mdb_free+0x80/0x80 [ 392.751957] ? process_timeout+0x40/0x40 [ 392.756028] ? __run_timers+0x7da/0xc70 [ 392.760005] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.764506] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.769000] ? br_mdb_free+0x80/0x80 [ 392.772717] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.777302] ? trace_hardirqs_on+0xbd/0x310 [ 392.781626] ? kasan_check_read+0x11/0x20 [ 392.785772] ? __run_timers+0x7da/0xc70 [ 392.789760] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.794866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.799104] ? br_mdb_free+0x80/0x80 [ 392.802819] __run_timers+0x7e5/0xc70 [ 392.806632] ? timer_fixup_init+0x70/0x70 [ 392.810783] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.815274] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.819771] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.824395] ? trace_hardirqs_on+0xbd/0x310 [ 392.828720] ? kasan_check_read+0x11/0x20 [ 392.832876] ? finish_task_switch+0x1f4/0x910 [ 392.837376] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.842488] ? compat_start_thread+0x80/0x80 [ 392.846937] ? pvclock_read_flags+0x160/0x160 [ 392.851445] ? __switch_to_asm+0x34/0x70 [ 392.855514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.861063] ? check_preemption_disabled+0x48/0x280 [ 392.866092] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.871635] ? rcu_pm_notify+0xc0/0xc0 [ 392.875527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.881070] ? check_preemption_disabled+0x48/0x280 [ 392.886092] run_timer_softirq+0x52/0xb0 [ 392.890156] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.895171] __do_softirq+0x308/0xb7e [ 392.898974] ? retint_kernel+0x2d/0x2d [ 392.902865] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.908018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.913467] ? retint_kernel+0x2d/0x2d [ 392.917360] ? schedule+0x108/0x460 [ 392.921005] ? trace_hardirqs_off+0xb8/0x310 [ 392.925420] ? smpboot_thread_fn+0x68b/0xa00 [ 392.929829] ? trace_hardirqs_on+0x310/0x310 [ 392.934242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.939784] ? check_preemption_disabled+0x48/0x280 [ 392.944807] ? takeover_tasklets+0xa90/0xa90 [ 392.949235] run_ksoftirqd+0x5e/0x100 [ 392.953034] smpboot_thread_fn+0x68b/0xa00 [ 392.957272] ? sort_range+0x30/0x30 [ 392.960920] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.966023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.971560] ? __kthread_parkme+0xfb/0x1a0 [ 392.975798] ? sort_range+0x30/0x30 [ 392.979424] kthread+0x35a/0x440 [ 392.982819] ? kthread_stop+0x900/0x900 [ 392.986823] ret_from_fork+0x3a/0x50 [ 392.990558] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 392.990576] warn_alloc_show_mem: 1 callbacks suppressed [ 392.990580] Mem-Info: [ 392.997918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.997927] Call Trace: [ 393.003301] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 393.003301] active_file:133 inactive_file:117 isolated_file:0 [ 393.003301] unevictable:0 dirty:3 writeback:0 unstable:0 [ 393.003301] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 393.003301] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 393.003301] free:13727 free_pcp:164 free_cma:0 [ 393.005675] [ 393.015036] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 393.017614] dump_stack+0x244/0x39d [ 393.050812] 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 [ 393.052956] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.080832] lowmem_reserve[]: 0 2818 6321 6321 [ 393.084487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.110583] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 393.115787] warn_alloc.cold.116+0xb7/0x1bd [ 393.120344] lowmem_reserve[]: 0 0 3503 3503 [ 393.125880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.153458] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 393.157771] ? lock_downgrade+0x900/0x900 [ 393.162069] lowmem_reserve[]: 0 0 0 0 [ 393.166910] ? trace_hardirqs_off+0xb8/0x310 [ 393.196124] 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 [ 393.200269] ? trace_hardirqs_off+0xb8/0x310 [ 393.204042] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 393.208465] __alloc_pages_slowpath+0x2651/0x2de0 [ 393.221961] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 393.226380] ? warn_alloc+0x120/0x120 [ 393.241685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.246518] ? print_usage_bug+0xc0/0xc0 [ 393.260018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.263803] ? warn_alloc+0x120/0x120 [ 393.272619] 2220 total pagecache pages [ 393.276673] ? warn_alloc+0x120/0x120 [ 393.285231] 0 pages in swap cache [ 393.289014] ? print_usage_bug+0xc0/0xc0 [ 393.292882] Swap cache stats: add 0, delete 0, find 0/0 [ 393.296673] ? kvm_clock_read+0x18/0x30 [ 393.300123] Free swap = 0kB [ 393.304176] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.309515] Total swap = 0kB [ 393.313497] ? print_usage_bug+0xc0/0xc0 [ 393.316491] 1965979 pages RAM [ 393.321497] ? __lock_acquire+0x62f/0x4c20 [ 393.324490] 0 pages HighMem/MovableOnly [ 393.328562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.331642] 342854 pages reserved [ 393.335868] ? should_fail+0x22d/0xd01 [ 393.339814] 0 pages cma reserved [ 393.345357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.349463] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.352665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.356007] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 393.361281] ? __lock_acquire+0x62f/0x4c20 [ 393.385536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.390640] ? __lock_acquire+0x62f/0x4c20 [ 393.394875] ? should_fail+0x22d/0xd01 [ 393.398762] ? rcu_irq_exit+0x1a2/0x390 [ 393.402749] ? mark_held_locks+0x130/0x130 [ 393.406993] ? mark_held_locks+0x130/0x130 [ 393.411237] ? mark_held_locks+0xc7/0x130 [ 393.415406] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.420440] ? zap_class+0x640/0x640 [ 393.424172] ? print_usage_bug+0xc0/0xc0 [ 393.428253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.433792] ? check_preemption_disabled+0x48/0x280 [ 393.438819] ? __lock_is_held+0xb5/0x140 [ 393.442916] __alloc_pages_nodemask+0xad8/0xea0 [ 393.447627] ? zap_class+0x640/0x640 [ 393.451343] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 393.456371] ? find_held_lock+0x36/0x1c0 [ 393.460459] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.465130] ? lock_downgrade+0x900/0x900 [ 393.469288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.474848] cache_grow_begin+0xa5/0x8c0 [ 393.478920] ? do_raw_spin_unlock+0xa7/0x330 [ 393.483335] fallback_alloc+0x204/0x2e0 [ 393.487315] ____cache_alloc_node+0x1c7/0x1e0 [ 393.491819] kmem_cache_alloc_node+0xe3/0x730 [ 393.496311] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.500555] __alloc_skb+0x119/0x770 [ 393.504270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.509551] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.513958] ? lock_downgrade+0x900/0x900 [ 393.518113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.523655] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.529108] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.534559] ? addrconf_rs_timer+0x690/0x690 [ 393.538982] ndisc_alloc_skb+0x144/0x340 [ 393.543050] ndisc_send_rs+0x331/0x6e0 [ 393.546943] addrconf_rs_timer+0x314/0x690 [ 393.551187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.555443] call_timer_fn+0x272/0x920 [ 393.559334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.563574] ? process_timeout+0x40/0x40 [ 393.567687] ? __run_timers+0x7da/0xc70 [ 393.571662] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.576159] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.580655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.584905] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.589505] ? trace_hardirqs_on+0xbd/0x310 [ 393.593839] ? kasan_check_read+0x11/0x20 [ 393.598000] ? __run_timers+0x7da/0xc70 [ 393.601971] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.607079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.611320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.615556] __run_timers+0x7e5/0xc70 [ 393.619364] ? timer_fixup_init+0x70/0x70 [ 393.623521] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.628557] ? zap_class+0x640/0x640 [ 393.632289] ? enqueue_hrtimer+0x1a5/0x560 [ 393.636524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.641718] ? find_held_lock+0x36/0x1c0 [ 393.645784] ? zap_class+0x640/0x640 [ 393.649505] ? pvclock_read_flags+0x160/0x160 [ 393.654004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.659544] ? check_preemption_disabled+0x48/0x280 [ 393.664584] ? __lock_is_held+0xb5/0x140 [ 393.668648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.674189] ? check_preemption_disabled+0x48/0x280 [ 393.679212] run_timer_softirq+0x52/0xb0 [ 393.683276] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.688294] __do_softirq+0x308/0xb7e [ 393.692101] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.696598] ? lock_downgrade+0x900/0x900 [ 393.700755] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.705865] ? pvclock_read_flags+0x160/0x160 [ 393.710376] ? lapic_next_event+0x5a/0x90 [ 393.714537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.720093] ? kvm_clock_read+0x18/0x30 [ 393.724071] ? kvm_sched_clock_read+0x9/0x20 [ 393.728484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.734020] ? check_preemption_disabled+0x48/0x280 [ 393.739063] irq_exit+0x17f/0x1c0 [ 393.742529] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.747366] ? smp_reschedule_interrupt+0x109/0x650 [ 393.752401] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.758290] ? interrupt_entry+0xb5/0xc0 [ 393.762354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.767379] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.772447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.777297] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.782311] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.787343] ? task_prio+0x50/0x50 [ 393.790905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.796446] ? check_preemption_disabled+0x48/0x280 [ 393.801468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.806335] apic_timer_interrupt+0xf/0x20 [ 393.810568] [ 393.812812] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.817761] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 393.836672] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 393.844403] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.851675] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 393.858942] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 393.866206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.873471] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 393.880792] skb_clone+0x1bb/0x500 [ 393.884367] ? skb_split+0x11e0/0x11e0 [ 393.888264] ? preempt_notifier_register+0x200/0x200 [ 393.893366] ? __switch_to_asm+0x34/0x70 [ 393.897438] ? __switch_to_asm+0x34/0x70 [ 393.901497] ? __switch_to_asm+0x40/0x70 [ 393.905555] ? __switch_to_asm+0x34/0x70 [ 393.909616] ? __switch_to_asm+0x40/0x70 [ 393.913691] ? __switch_to_asm+0x40/0x70 [ 393.917746] ? __switch_to_asm+0x34/0x70 [ 393.921818] ? __switch_to_asm+0x34/0x70 [ 393.925891] ? __switch_to_asm+0x40/0x70 [ 393.929984] ? __switch_to_asm+0x34/0x70 [ 393.934052] bpf_clone_redirect+0xb9/0x490 [ 393.938297] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 393.943318] ? __sched_text_start+0x8/0x8 [ 393.947467] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.952231] ? find_held_lock+0x36/0x1c0 [ 393.956299] ? lock_acquire+0x1ed/0x520 [ 393.960276] ? bpf_test_run+0x3ee/0x7a0 [ 393.964255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.969799] ? check_preemption_disabled+0x48/0x280 [ 393.974824] ? kasan_check_read+0x11/0x20 [ 393.978968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.984243] ? rcu_softirq_qs+0x20/0x20 [ 393.988217] ? preempt_schedule+0x4d/0x60 [ 393.992368] ? ___preempt_schedule+0x16/0x18 [ 393.996810] ? bpf_test_run+0x271/0x7a0 [ 394.000815] ? netlink_diag_dump+0x2a0/0x2a0 [ 394.005232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.010784] ? bpf_test_init.isra.10+0x70/0x100 [ 394.015458] ? bpf_prog_test_run_skb+0x762/0xd60 [ 394.020223] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 394.025089] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 394.030659] ? fput+0x130/0x1a0 [ 394.033944] ? __bpf_prog_get+0x9b/0x290 [ 394.038009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 394.042854] ? bpf_prog_test_run+0x130/0x1a0 [ 394.047267] ? __x64_sys_bpf+0x3d8/0x520 [ 394.051328] ? bpf_prog_get+0x20/0x20 [ 394.055149] ? do_syscall_64+0x1b9/0x820 [ 394.059222] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 394.064593] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.069690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.074550] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.079567] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 394.084586] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.089610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.094513] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.099916] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 394.099981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.106842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.106850] Call Trace: [ 394.113453] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.122687] dump_stack+0x244/0x39d [ 394.125264] syz-executor2 cpuset=syz2 mems_allowed=0 [ 394.135741] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.149617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.155166] warn_alloc.cold.116+0xb7/0x1bd [ 394.159493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.164348] ? lock_downgrade+0x900/0x900 [ 394.168502] ? trace_hardirqs_off+0xb8/0x310 [ 394.172922] ? trace_hardirqs_off+0xb8/0x310 [ 394.177342] __alloc_pages_slowpath+0x2651/0x2de0 [ 394.182226] ? warn_alloc+0x120/0x120 [ 394.186032] ? warn_alloc+0x120/0x120 [ 394.189833] ? __bfs+0xb0/0x780 [ 394.193646] ? warn_alloc+0x120/0x120 [ 394.197449] ? print_usage_bug+0xc0/0xc0 [ 394.201508] ? lockdep_on+0x50/0x50 [ 394.205155] ? print_usage_bug+0xc0/0xc0 [ 394.209220] ? check_usage+0x1aa/0x790 [ 394.213110] ? trace_hardirqs_off+0xb8/0x310 [ 394.217521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.223082] ? should_fail+0x22d/0xd01 [ 394.226980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.232085] ? __lock_acquire+0x62f/0x4c20 [ 394.236366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.241474] ? __lock_acquire+0x62f/0x4c20 [ 394.245706] ? should_fail+0x22d/0xd01 [ 394.249608] ? mark_held_locks+0x130/0x130 [ 394.253850] ? mark_held_locks+0x130/0x130 [ 394.258095] ? zap_class+0x640/0x640 [ 394.261807] ? ret_from_fork+0x3a/0x50 [ 394.265698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.271248] ? check_preemption_disabled+0x48/0x280 [ 394.276276] ? __lock_is_held+0xb5/0x140 [ 394.280358] __alloc_pages_nodemask+0xad8/0xea0 [ 394.285036] ? zap_class+0x640/0x640 [ 394.288758] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 394.293787] ? find_held_lock+0x36/0x1c0 [ 394.297871] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.302544] ? lock_downgrade+0x900/0x900 [ 394.306701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.312272] cache_grow_begin+0xa5/0x8c0 [ 394.316345] ? do_raw_spin_unlock+0xa7/0x330 [ 394.320775] fallback_alloc+0x204/0x2e0 [ 394.324755] ____cache_alloc_node+0x1c7/0x1e0 [ 394.329271] kmem_cache_alloc_node+0xe3/0x730 [ 394.333769] ? mark_held_locks+0xc7/0x130 [ 394.337950] __alloc_skb+0x119/0x770 [ 394.341674] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.346082] ? do_raw_spin_trylock+0x270/0x270 [ 394.350666] ? kmem_cache_alloc_trace+0x353/0x750 [ 394.355529] ? queue_work_on+0x12c/0x1e0 [ 394.359601] ? switchdev_port_obj_del+0xdc/0x440 [ 394.364362] ? switchdev_trans_item_enqueue+0x260/0x260 [ 394.369738] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.374763] __br_mdb_notify+0x4ff/0x15d0 [ 394.378926] ? __br_mdb_add+0x7f0/0x7f0 [ 394.382914] ? zap_class+0x640/0x640 [ 394.386655] ? br_multicast_group_expired+0x96/0x610 [ 394.391773] ? lock_downgrade+0x900/0x900 [ 394.395934] br_mdb_notify+0x310/0x410 [ 394.399826] ? br_mdb_dump+0x27b0/0x27b0 [ 394.403895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.409454] br_multicast_group_expired+0x1bc/0x610 [ 394.414476] ? br_mdb_free+0x80/0x80 [ 394.418199] call_timer_fn+0x272/0x920 [ 394.422085] ? br_mdb_free+0x80/0x80 [ 394.425799] ? process_timeout+0x40/0x40 [ 394.429867] ? __run_timers+0x7da/0xc70 [ 394.433840] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.438334] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.442830] ? br_mdb_free+0x80/0x80 [ 394.446558] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.451141] ? trace_hardirqs_on+0xbd/0x310 [ 394.455462] ? kasan_check_read+0x11/0x20 [ 394.459610] ? __run_timers+0x7da/0xc70 [ 394.463585] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.468693] ? br_mdb_free+0x80/0x80 [ 394.472420] ? br_mdb_free+0x80/0x80 [ 394.476138] __run_timers+0x7e5/0xc70 [ 394.479957] ? timer_fixup_init+0x70/0x70 [ 394.484104] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.488599] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.493094] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.497677] ? trace_hardirqs_on+0xbd/0x310 [ 394.501997] ? kasan_check_read+0x11/0x20 [ 394.506146] ? finish_task_switch+0x1f4/0x910 [ 394.510648] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.515752] ? compat_start_thread+0x80/0x80 [ 394.520185] ? pvclock_read_flags+0x160/0x160 [ 394.524677] ? __switch_to_asm+0x34/0x70 [ 394.528741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.534279] ? check_preemption_disabled+0x48/0x280 [ 394.539304] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 394.544845] ? rcu_pm_notify+0xc0/0xc0 [ 394.548733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.554291] ? check_preemption_disabled+0x48/0x280 [ 394.559312] run_timer_softirq+0x52/0xb0 [ 394.563373] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.568405] __do_softirq+0x308/0xb7e [ 394.572230] ? retint_kernel+0x2d/0x2d [ 394.576118] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.581222] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.586688] ? retint_kernel+0x2d/0x2d [ 394.590609] ? schedule+0x108/0x460 [ 394.594250] ? trace_hardirqs_off+0xb8/0x310 [ 394.598690] ? smpboot_thread_fn+0x68b/0xa00 [ 394.603102] ? trace_hardirqs_on+0x310/0x310 [ 394.607511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.613050] ? check_preemption_disabled+0x48/0x280 [ 394.618087] ? takeover_tasklets+0xa90/0xa90 [ 394.622511] run_ksoftirqd+0x5e/0x100 [ 394.626310] smpboot_thread_fn+0x68b/0xa00 [ 394.630568] ? sort_range+0x30/0x30 [ 394.634196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.639299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.644840] ? __kthread_parkme+0xfb/0x1a0 [ 394.649079] ? sort_range+0x30/0x30 [ 394.652706] kthread+0x35a/0x440 [ 394.656092] ? kthread_stop+0x900/0x900 [ 394.660086] ret_from_fork+0x3a/0x50 [ 394.663831] warn_alloc_show_mem: 1 callbacks suppressed [ 394.663844] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 394.663846] Mem-Info: [ 394.663893] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 394.663893] active_file:133 inactive_file:117 isolated_file:0 [ 394.663893] unevictable:0 dirty:3 writeback:0 unstable:0 [ 394.663893] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 394.663893] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 394.663893] free:13727 free_pcp:164 free_cma:0 [ 394.669230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.676597] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 394.678996] Call Trace: [ 394.712208] 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 [ 394.721550] [ 394.749305] lowmem_reserve[]: 0 2818 6321 6321 [ 394.751899] dump_stack+0x244/0x39d [ 394.777990] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.780155] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.784707] lowmem_reserve[]: 0 0 3503 3503 [ 394.788344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.815904] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 394.821087] warn_alloc.cold.116+0xb7/0x1bd [ 394.825381] lowmem_reserve[]: 0 0 0 0 [ 394.830930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.860140] 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 [ 394.864458] ? lock_downgrade+0x900/0x900 [ 394.868237] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 394.873074] ? trace_hardirqs_off+0xb8/0x310 [ 394.886573] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 394.890714] ? trace_hardirqs_off+0xb8/0x310 [ 394.906043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.910448] __alloc_pages_slowpath+0x2651/0x2de0 [ 394.923950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.928379] ? warn_alloc+0x120/0x120 [ 394.937171] 2220 total pagecache pages [ 394.942009] ? print_usage_bug+0xc0/0xc0 [ 394.950565] 0 pages in swap cache [ 394.954350] ? warn_alloc+0x120/0x120 [ 394.958216] Swap cache stats: add 0, delete 0, find 0/0 [ 394.962263] ? warn_alloc+0x120/0x120 [ 394.965693] Free swap = 0kB [ 394.969488] ? print_usage_bug+0xc0/0xc0 [ 394.974825] Total swap = 0kB [ 394.978622] ? kvm_clock_read+0x18/0x30 [ 394.981615] 1965979 pages RAM [ 394.985667] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.988660] 0 pages HighMem/MovableOnly [ 394.992627] ? print_usage_bug+0xc0/0xc0 [ 394.995707] 342854 pages reserved [ 395.000715] ? __lock_acquire+0x62f/0x4c20 [ 395.004668] 0 pages cma reserved [ 395.008721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.012317] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.016380] ? should_fail+0x22d/0xd01 [ 395.019727] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 395.025254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.049367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.054478] ? __lock_acquire+0x62f/0x4c20 [ 395.058720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.064277] ? __lock_acquire+0x62f/0x4c20 [ 395.068524] ? should_fail+0x22d/0xd01 [ 395.072420] ? rcu_irq_exit+0x1a2/0x390 [ 395.076420] ? mark_held_locks+0x130/0x130 [ 395.080662] ? mark_held_locks+0x130/0x130 [ 395.084906] ? mark_held_locks+0xc7/0x130 [ 395.089058] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.094076] ? zap_class+0x640/0x640 [ 395.097804] ? print_usage_bug+0xc0/0xc0 [ 395.101902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.107447] ? check_preemption_disabled+0x48/0x280 [ 395.112488] ? __lock_is_held+0xb5/0x140 [ 395.116556] __alloc_pages_nodemask+0xad8/0xea0 [ 395.121223] ? zap_class+0x640/0x640 [ 395.124947] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 395.129981] ? find_held_lock+0x36/0x1c0 [ 395.134056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.138723] ? lock_downgrade+0x900/0x900 [ 395.142878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.148441] cache_grow_begin+0xa5/0x8c0 [ 395.152507] ? do_raw_spin_unlock+0xa7/0x330 [ 395.156924] fallback_alloc+0x204/0x2e0 [ 395.160919] ____cache_alloc_node+0x1c7/0x1e0 [ 395.165433] kmem_cache_alloc_node+0xe3/0x730 [ 395.169932] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.174191] __alloc_skb+0x119/0x770 [ 395.177899] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.183177] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.187588] ? lock_downgrade+0x900/0x900 [ 395.191754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.197290] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.202749] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.208201] ? addrconf_rs_timer+0x690/0x690 [ 395.212628] ndisc_alloc_skb+0x144/0x340 [ 395.216696] ndisc_send_rs+0x331/0x6e0 [ 395.220589] addrconf_rs_timer+0x314/0x690 [ 395.224833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.229080] call_timer_fn+0x272/0x920 [ 395.232970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.237209] ? process_timeout+0x40/0x40 [ 395.241282] ? __run_timers+0x7da/0xc70 [ 395.245257] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.249749] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.254245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.258480] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.263102] ? trace_hardirqs_on+0xbd/0x310 [ 395.267425] ? kasan_check_read+0x11/0x20 [ 395.271602] ? __run_timers+0x7da/0xc70 [ 395.275577] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.280683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.284922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.289157] __run_timers+0x7e5/0xc70 [ 395.292967] ? timer_fixup_init+0x70/0x70 [ 395.297118] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.302133] ? zap_class+0x640/0x640 [ 395.305851] ? enqueue_hrtimer+0x1a5/0x560 [ 395.310089] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.315285] ? find_held_lock+0x36/0x1c0 [ 395.319352] ? zap_class+0x640/0x640 [ 395.323092] ? pvclock_read_flags+0x160/0x160 [ 395.327603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.333158] ? check_preemption_disabled+0x48/0x280 [ 395.338186] ? __lock_is_held+0xb5/0x140 [ 395.342259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.347829] ? check_preemption_disabled+0x48/0x280 [ 395.352855] run_timer_softirq+0x52/0xb0 [ 395.356926] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.361972] __do_softirq+0x308/0xb7e [ 395.365780] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.370275] ? lock_downgrade+0x900/0x900 [ 395.374433] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.379549] ? pvclock_read_flags+0x160/0x160 [ 395.384058] ? lapic_next_event+0x5a/0x90 [ 395.388226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.393769] ? kvm_clock_read+0x18/0x30 [ 395.397745] ? kvm_sched_clock_read+0x9/0x20 [ 395.402168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.407709] ? check_preemption_disabled+0x48/0x280 [ 395.412734] irq_exit+0x17f/0x1c0 [ 395.416188] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.421043] ? smp_reschedule_interrupt+0x109/0x650 [ 395.426074] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.431963] ? interrupt_entry+0xb5/0xc0 [ 395.436026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.441040] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.446058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.450901] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.455921] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.460940] ? task_prio+0x50/0x50 [ 395.464485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.470026] ? check_preemption_disabled+0x48/0x280 [ 395.475095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.479949] apic_timer_interrupt+0xf/0x20 [ 395.484175] [ 395.486425] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.491373] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 395.510284] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 395.517992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.525258] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 395.532523] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 395.539793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.547058] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 395.554356] skb_clone+0x1bb/0x500 [ 395.557903] ? skb_split+0x11e0/0x11e0 [ 395.561825] ? preempt_notifier_register+0x200/0x200 [ 395.566922] ? __switch_to_asm+0x34/0x70 [ 395.570978] ? __switch_to_asm+0x34/0x70 [ 395.575037] ? __switch_to_asm+0x40/0x70 [ 395.579109] ? __switch_to_asm+0x34/0x70 [ 395.583198] ? __switch_to_asm+0x40/0x70 [ 395.587262] ? __switch_to_asm+0x40/0x70 [ 395.591323] ? __switch_to_asm+0x34/0x70 [ 395.595381] ? __switch_to_asm+0x34/0x70 [ 395.599452] ? __switch_to_asm+0x40/0x70 [ 395.603514] ? __switch_to_asm+0x34/0x70 [ 395.607586] bpf_clone_redirect+0xb9/0x490 [ 395.611828] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 395.616864] ? __sched_text_start+0x8/0x8 [ 395.621014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.625799] ? find_held_lock+0x36/0x1c0 [ 395.629866] ? lock_acquire+0x1ed/0x520 [ 395.633843] ? bpf_test_run+0x3ee/0x7a0 [ 395.637820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.643371] ? check_preemption_disabled+0x48/0x280 [ 395.648422] ? kasan_check_read+0x11/0x20 [ 395.652573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.657852] ? rcu_softirq_qs+0x20/0x20 [ 395.661828] ? preempt_schedule+0x4d/0x60 [ 395.665975] ? ___preempt_schedule+0x16/0x18 [ 395.670403] ? bpf_test_run+0x271/0x7a0 [ 395.674407] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.678831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.684369] ? bpf_test_init.isra.10+0x70/0x100 [ 395.689058] ? bpf_prog_test_run_skb+0x762/0xd60 [ 395.693827] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.698677] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.704229] ? fput+0x130/0x1a0 [ 395.707515] ? __bpf_prog_get+0x9b/0x290 [ 395.711584] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.716433] ? bpf_prog_test_run+0x130/0x1a0 [ 395.720845] ? __x64_sys_bpf+0x3d8/0x520 [ 395.724922] ? bpf_prog_get+0x20/0x20 [ 395.728747] ? do_syscall_64+0x1b9/0x820 [ 395.732813] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.738177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.743123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.747967] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.753019] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.758053] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.763080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.767926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.773308] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 395.773376] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.780236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.780241] Call Trace: [ 395.780260] dump_stack+0x244/0x39d [ 395.780279] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.780296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.786819] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.796120] warn_alloc.cold.116+0xb7/0x1bd [ 395.798678] syz-executor2 cpuset=syz2 mems_allowed=0 [ 395.802296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.837724] ? lock_downgrade+0x900/0x900 [ 395.841882] ? trace_hardirqs_off+0xb8/0x310 [ 395.846307] ? trace_hardirqs_off+0xb8/0x310 [ 395.850723] __alloc_pages_slowpath+0x2651/0x2de0 [ 395.855597] ? warn_alloc+0x120/0x120 [ 395.859413] ? warn_alloc+0x120/0x120 [ 395.863219] ? warn_alloc+0x120/0x120 [ 395.867046] ? print_usage_bug+0xc0/0xc0 [ 395.871137] ? print_usage_bug+0xc0/0xc0 [ 395.875202] ? check_preemption_disabled+0x48/0x280 [ 395.880226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.885766] ? should_fail+0x22d/0xd01 [ 395.889659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.894765] ? __lock_acquire+0x62f/0x4c20 [ 395.899006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.904112] ? __lock_acquire+0x62f/0x4c20 [ 395.908345] ? should_fail+0x22d/0xd01 [ 395.912240] ? mark_held_locks+0x130/0x130 [ 395.916481] ? mark_held_locks+0x130/0x130 [ 395.920722] ? lock_downgrade+0x900/0x900 [ 395.924872] ? zap_class+0x640/0x640 [ 395.928587] ? print_usage_bug+0xc0/0xc0 [ 395.932652] ? trace_hardirqs_off+0xb8/0x310 [ 395.937080] ? kasan_check_read+0x11/0x20 [ 395.941256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.946794] ? check_preemption_disabled+0x48/0x280 [ 395.951880] ? __lock_is_held+0xb5/0x140 [ 395.955954] __alloc_pages_nodemask+0xad8/0xea0 [ 395.960627] ? zap_class+0x640/0x640 [ 395.964345] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 395.969372] ? find_held_lock+0x36/0x1c0 [ 395.973477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.978150] ? lock_downgrade+0x900/0x900 [ 395.982310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.987856] cache_grow_begin+0xa5/0x8c0 [ 395.991921] ? do_raw_spin_unlock+0xa7/0x330 [ 395.996355] fallback_alloc+0x204/0x2e0 [ 396.000358] ____cache_alloc_node+0x1c7/0x1e0 [ 396.004870] kmem_cache_alloc_node+0xe3/0x730 [ 396.009370] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.013626] __alloc_skb+0x119/0x770 [ 396.017357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.022642] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.027052] ? lock_downgrade+0x900/0x900 [ 396.031225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.036764] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.042218] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.047671] ? addrconf_rs_timer+0x690/0x690 [ 396.052093] ndisc_alloc_skb+0x144/0x340 [ 396.056160] ndisc_send_rs+0x331/0x6e0 [ 396.060144] addrconf_rs_timer+0x314/0x690 [ 396.064385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.068641] call_timer_fn+0x272/0x920 [ 396.072529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.076769] ? process_timeout+0x40/0x40 [ 396.080842] ? __run_timers+0x7da/0xc70 [ 396.084816] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.089310] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.093806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.098042] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.102644] ? trace_hardirqs_on+0xbd/0x310 [ 396.106966] ? kasan_check_read+0x11/0x20 [ 396.111128] ? __run_timers+0x7da/0xc70 [ 396.115121] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.120235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.124474] __run_timers+0x7e5/0xc70 [ 396.128288] ? timer_fixup_init+0x70/0x70 [ 396.132437] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.136938] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.141452] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.146037] ? trace_hardirqs_on+0xbd/0x310 [ 396.150356] ? kasan_check_read+0x11/0x20 [ 396.154512] ? finish_task_switch+0x1f4/0x910 [ 396.159010] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.164113] ? compat_start_thread+0x80/0x80 [ 396.168556] ? pvclock_read_flags+0x160/0x160 [ 396.173068] ? __switch_to_asm+0x34/0x70 [ 396.177130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.182667] ? check_preemption_disabled+0x48/0x280 [ 396.187696] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 396.193740] ? rcu_pm_notify+0xc0/0xc0 [ 396.197633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.203175] ? check_preemption_disabled+0x48/0x280 [ 396.208239] run_timer_softirq+0x52/0xb0 [ 396.212299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.217314] __do_softirq+0x308/0xb7e [ 396.221118] ? retint_kernel+0x2d/0x2d [ 396.225010] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.230116] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.235566] ? retint_kernel+0x2d/0x2d [ 396.239460] ? schedule+0x108/0x460 [ 396.243115] ? trace_hardirqs_off+0xb8/0x310 [ 396.247523] ? smpboot_thread_fn+0x68b/0xa00 [ 396.251936] ? trace_hardirqs_on+0x310/0x310 [ 396.256349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.261890] ? check_preemption_disabled+0x48/0x280 [ 396.266919] ? takeover_tasklets+0xa90/0xa90 [ 396.271326] run_ksoftirqd+0x5e/0x100 [ 396.275131] smpboot_thread_fn+0x68b/0xa00 [ 396.279381] ? sort_range+0x30/0x30 [ 396.283018] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.288134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.293674] ? __kthread_parkme+0xfb/0x1a0 [ 396.297917] ? sort_range+0x30/0x30 [ 396.301550] kthread+0x35a/0x440 [ 396.304923] ? kthread_stop+0x900/0x900 [ 396.308919] ret_from_fork+0x3a/0x50 [ 396.312655] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 396.312661] warn_alloc_show_mem: 1 callbacks suppressed [ 396.312668] Mem-Info: [ 396.320028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.325415] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 396.325415] active_file:133 inactive_file:117 isolated_file:0 [ 396.325415] unevictable:0 dirty:3 writeback:0 unstable:0 [ 396.325415] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 396.325415] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 396.325415] free:13727 free_pcp:164 free_cma:0 [ 396.327793] Call Trace: [ 396.337180] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 396.370369] [ 396.372942] 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 [ 396.400694] dump_stack+0x244/0x39d [ 396.402832] lowmem_reserve[]: 0 2818 6321 6321 [ 396.428938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.432540] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 396.437136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.442297] lowmem_reserve[]: 0 0 3503 3503 [ 396.469881] warn_alloc.cold.116+0xb7/0x1bd [ 396.475400] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 396.479723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.484019] lowmem_reserve[]: 0 0 0 0 [ 396.513247] ? lock_downgrade+0x900/0x900 [ 396.518105] 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 [ 396.521936] ? trace_hardirqs_off+0xb8/0x310 [ 396.526059] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 396.539575] ? trace_hardirqs_off+0xb8/0x310 [ 396.543959] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 396.559301] __alloc_pages_slowpath+0x2651/0x2de0 [ 396.563689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.577231] ? warn_alloc+0x120/0x120 [ 396.582033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.590855] ? print_usage_bug+0xc0/0xc0 [ 396.594633] 2220 total pagecache pages [ 396.603246] ? warn_alloc+0x120/0x120 [ 396.607290] 0 pages in swap cache [ 396.611163] ? warn_alloc+0x120/0x120 [ 396.614943] Swap cache stats: add 0, delete 0, find 0/0 [ 396.618420] ? print_usage_bug+0xc0/0xc0 [ 396.622190] Free swap = 0kB [ 396.627548] ? print_usage_bug+0xc0/0xc0 [ 396.631584] Total swap = 0kB [ 396.634598] ? __lock_acquire+0x62f/0x4c20 [ 396.638636] 1965979 pages RAM [ 396.641647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.645877] 0 pages HighMem/MovableOnly [ 396.648977] ? should_fail+0x22d/0xd01 [ 396.654487] 342854 pages reserved [ 396.658453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.662317] 0 pages cma reserved [ 396.665766] ? __lock_acquire+0x62f/0x4c20 [ 396.670933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.674204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.678474] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.684906] ? __lock_acquire+0x62f/0x4c20 [ 396.689987] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 396.700289] ? should_fail+0x22d/0xd01 [ 396.713042] ? find_held_lock+0x36/0x1c0 [ 396.717111] ? mark_held_locks+0x130/0x130 [ 396.721353] ? mark_held_locks+0x130/0x130 [ 396.725587] ? zap_class+0x640/0x640 [ 396.729301] ? zap_class+0x640/0x640 [ 396.733023] ? print_usage_bug+0xc0/0xc0 [ 396.737081] ? do_raw_spin_unlock+0xa7/0x330 [ 396.741494] ? zap_class+0x640/0x640 [ 396.745207] ? print_usage_bug+0xc0/0xc0 [ 396.749266] ? wq_watchdog_touch+0x9c/0xfe [ 396.753507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.759047] ? check_preemption_disabled+0x48/0x280 [ 396.764078] ? __lock_is_held+0xb5/0x140 [ 396.768153] __alloc_pages_nodemask+0xad8/0xea0 [ 396.772829] ? zap_class+0x640/0x640 [ 396.776552] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 396.781579] ? find_held_lock+0x36/0x1c0 [ 396.785650] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.790325] ? lock_downgrade+0x900/0x900 [ 396.794484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.800026] cache_grow_begin+0xa5/0x8c0 [ 396.804106] ? do_raw_spin_unlock+0xa7/0x330 [ 396.808527] fallback_alloc+0x204/0x2e0 [ 396.812510] ____cache_alloc_node+0x1c7/0x1e0 [ 396.817011] kmem_cache_alloc_node+0xe3/0x730 [ 396.821510] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.825758] __alloc_skb+0x119/0x770 [ 396.829485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.834765] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.839187] ? lock_downgrade+0x900/0x900 [ 396.843340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.848879] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.854332] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.859783] ? addrconf_rs_timer+0x690/0x690 [ 396.864204] ndisc_alloc_skb+0x144/0x340 [ 396.868284] ndisc_send_rs+0x331/0x6e0 [ 396.872174] addrconf_rs_timer+0x314/0x690 [ 396.876420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.880668] call_timer_fn+0x272/0x920 [ 396.884554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.888794] ? process_timeout+0x40/0x40 [ 396.892860] ? __run_timers+0x7da/0xc70 [ 396.896862] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.901367] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.905870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.910106] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.914693] ? trace_hardirqs_on+0xbd/0x310 [ 396.919017] ? kasan_check_read+0x11/0x20 [ 396.923162] ? __run_timers+0x7da/0xc70 [ 396.927143] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.932252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.936511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.940744] __run_timers+0x7e5/0xc70 [ 396.944553] ? timer_fixup_init+0x70/0x70 [ 396.948701] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.953720] ? zap_class+0x640/0x640 [ 396.957442] ? enqueue_hrtimer+0x1a5/0x560 [ 396.961681] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.966893] ? find_held_lock+0x36/0x1c0 [ 396.970962] ? zap_class+0x640/0x640 [ 396.974679] ? pvclock_read_flags+0x160/0x160 [ 396.979178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.984715] ? check_preemption_disabled+0x48/0x280 [ 396.989743] ? __lock_is_held+0xb5/0x140 [ 396.993804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.999361] ? check_preemption_disabled+0x48/0x280 [ 397.004398] run_timer_softirq+0x52/0xb0 [ 397.008478] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.013495] __do_softirq+0x308/0xb7e [ 397.017303] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 397.021796] ? lock_downgrade+0x900/0x900 [ 397.025947] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.031056] ? pvclock_read_flags+0x160/0x160 [ 397.035554] ? lapic_next_event+0x5a/0x90 [ 397.039705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.045254] ? kvm_clock_read+0x18/0x30 [ 397.049228] ? kvm_sched_clock_read+0x9/0x20 [ 397.053638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.059181] ? check_preemption_disabled+0x48/0x280 [ 397.064638] irq_exit+0x17f/0x1c0 [ 397.068097] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.072939] ? smp_reschedule_interrupt+0x109/0x650 [ 397.077956] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.083844] ? interrupt_entry+0xb5/0xc0 [ 397.087909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.092923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.097944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.102789] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.107801] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.112831] ? task_prio+0x50/0x50 [ 397.116376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.121924] ? check_preemption_disabled+0x48/0x280 [ 397.126963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.131812] apic_timer_interrupt+0xf/0x20 [ 397.136044] [ 397.138288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 397.143220] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 397.162121] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 397.169841] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 397.177153] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 397.184428] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 397.191694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 397.198961] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 397.206265] skb_clone+0x1bb/0x500 [ 397.209810] ? skb_split+0x11e0/0x11e0 [ 397.213705] ? preempt_notifier_register+0x200/0x200 [ 397.218805] ? __switch_to_asm+0x34/0x70 [ 397.222868] ? __switch_to_asm+0x34/0x70 [ 397.226923] ? __switch_to_asm+0x40/0x70 [ 397.230993] ? __switch_to_asm+0x34/0x70 [ 397.235051] ? __switch_to_asm+0x40/0x70 [ 397.239112] ? __switch_to_asm+0x40/0x70 [ 397.243174] ? __switch_to_asm+0x34/0x70 [ 397.247234] ? __switch_to_asm+0x34/0x70 [ 397.251290] ? __switch_to_asm+0x40/0x70 [ 397.255353] ? __switch_to_asm+0x34/0x70 [ 397.259430] bpf_clone_redirect+0xb9/0x490 [ 397.263691] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 397.268717] ? __sched_text_start+0x8/0x8 [ 397.272870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.277644] ? find_held_lock+0x36/0x1c0 [ 397.281715] ? lock_acquire+0x1ed/0x520 [ 397.285692] ? bpf_test_run+0x3ee/0x7a0 [ 397.289672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.295237] ? check_preemption_disabled+0x48/0x280 [ 397.300273] ? kasan_check_read+0x11/0x20 [ 397.304444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.309732] ? rcu_softirq_qs+0x20/0x20 [ 397.313708] ? preempt_schedule+0x4d/0x60 [ 397.317859] ? ___preempt_schedule+0x16/0x18 [ 397.322289] ? bpf_test_run+0x271/0x7a0 [ 397.326274] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.330686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.336241] ? bpf_test_init.isra.10+0x70/0x100 [ 397.340928] ? bpf_prog_test_run_skb+0x762/0xd60 [ 397.345692] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.350546] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.356082] ? fput+0x130/0x1a0 [ 397.359365] ? __bpf_prog_get+0x9b/0x290 [ 397.363444] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.368288] ? bpf_prog_test_run+0x130/0x1a0 [ 397.372705] ? __x64_sys_bpf+0x3d8/0x520 [ 397.376766] ? bpf_prog_get+0x20/0x20 [ 397.380586] ? do_syscall_64+0x1b9/0x820 [ 397.384645] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.390015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.394957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.399804] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.404821] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.409844] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.414869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.419739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.425122] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 397.425191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.432052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.432057] Call Trace: [ 397.432075] dump_stack+0x244/0x39d [ 397.432098] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.438665] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.447926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.450481] syz-executor2 cpuset=syz2 mems_allowed=0 [ 397.454105] warn_alloc.cold.116+0xb7/0x1bd [ 397.484654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.489501] ? lock_downgrade+0x900/0x900 [ 397.493662] ? trace_hardirqs_off+0xb8/0x310 [ 397.498079] ? trace_hardirqs_off+0xb8/0x310 [ 397.502511] __alloc_pages_slowpath+0x2651/0x2de0 [ 397.507384] ? warn_alloc+0x120/0x120 [ 397.511199] ? print_usage_bug+0xc0/0xc0 [ 397.515280] ? warn_alloc+0x120/0x120 [ 397.519086] ? warn_alloc+0x120/0x120 [ 397.522887] ? print_usage_bug+0xc0/0xc0 [ 397.526961] ? print_usage_bug+0xc0/0xc0 [ 397.531045] ? __lock_acquire+0x62f/0x4c20 [ 397.535287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.540821] ? should_fail+0x22d/0xd01 [ 397.544729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.549850] ? __lock_acquire+0x62f/0x4c20 [ 397.554090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.559192] ? __lock_acquire+0x62f/0x4c20 [ 397.563424] ? should_fail+0x22d/0xd01 [ 397.567313] ? find_held_lock+0x36/0x1c0 [ 397.571402] ? mark_held_locks+0x130/0x130 [ 397.575641] ? mark_held_locks+0x130/0x130 [ 397.579871] ? zap_class+0x640/0x640 [ 397.583588] ? zap_class+0x640/0x640 [ 397.587304] ? print_usage_bug+0xc0/0xc0 [ 397.591364] ? do_raw_spin_unlock+0xa7/0x330 [ 397.595797] ? zap_class+0x640/0x640 [ 397.599510] ? print_usage_bug+0xc0/0xc0 [ 397.603570] ? wq_watchdog_touch+0x9c/0xfe [ 397.607821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.613375] ? check_preemption_disabled+0x48/0x280 [ 397.618420] ? __lock_is_held+0xb5/0x140 [ 397.622494] __alloc_pages_nodemask+0xad8/0xea0 [ 397.627160] ? zap_class+0x640/0x640 [ 397.630876] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 397.635904] ? find_held_lock+0x36/0x1c0 [ 397.640007] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.644680] ? lock_downgrade+0x900/0x900 [ 397.648848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.654404] cache_grow_begin+0xa5/0x8c0 [ 397.658468] ? do_raw_spin_unlock+0xa7/0x330 [ 397.662900] fallback_alloc+0x204/0x2e0 [ 397.666952] ____cache_alloc_node+0x1c7/0x1e0 [ 397.671457] kmem_cache_alloc_node+0xe3/0x730 [ 397.675955] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.680201] __alloc_skb+0x119/0x770 [ 397.683927] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.689208] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.693622] ? lock_downgrade+0x900/0x900 [ 397.697782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.703318] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.708774] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.714228] ? addrconf_rs_timer+0x690/0x690 [ 397.718654] ndisc_alloc_skb+0x144/0x340 [ 397.722722] ndisc_send_rs+0x331/0x6e0 [ 397.726620] addrconf_rs_timer+0x314/0x690 [ 397.730864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.735108] call_timer_fn+0x272/0x920 [ 397.738997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.743230] ? process_timeout+0x40/0x40 [ 397.747302] ? __run_timers+0x7da/0xc70 [ 397.751276] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.755769] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.760268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.764523] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.769111] ? trace_hardirqs_on+0xbd/0x310 [ 397.773433] ? kasan_check_read+0x11/0x20 [ 397.777585] ? __run_timers+0x7da/0xc70 [ 397.781577] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.786713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.790952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.795188] __run_timers+0x7e5/0xc70 [ 397.799002] ? timer_fixup_init+0x70/0x70 [ 397.803151] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.807644] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.812139] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.816737] ? trace_hardirqs_on+0xbd/0x310 [ 397.821072] ? kasan_check_read+0x11/0x20 [ 397.825228] ? finish_task_switch+0x1f4/0x910 [ 397.829726] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.834849] ? compat_start_thread+0x80/0x80 [ 397.839283] ? pvclock_read_flags+0x160/0x160 [ 397.843779] ? __switch_to_asm+0x34/0x70 [ 397.847872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.853419] ? check_preemption_disabled+0x48/0x280 [ 397.858447] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 397.863982] ? rcu_pm_notify+0xc0/0xc0 [ 397.867868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.873413] ? check_preemption_disabled+0x48/0x280 [ 397.878440] run_timer_softirq+0x52/0xb0 [ 397.882517] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.887533] __do_softirq+0x308/0xb7e [ 397.891365] ? retint_kernel+0x2d/0x2d [ 397.895269] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.900371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.905842] ? retint_kernel+0x2d/0x2d [ 397.909733] ? schedule+0x108/0x460 [ 397.913370] ? trace_hardirqs_off+0xb8/0x310 [ 397.917805] ? smpboot_thread_fn+0x68b/0xa00 [ 397.922216] ? trace_hardirqs_on+0x310/0x310 [ 397.926628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.932167] ? check_preemption_disabled+0x48/0x280 [ 397.937186] ? takeover_tasklets+0xa90/0xa90 [ 397.941598] run_ksoftirqd+0x5e/0x100 [ 397.945408] smpboot_thread_fn+0x68b/0xa00 [ 397.949649] ? sort_range+0x30/0x30 [ 397.953278] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.958402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.963974] ? __kthread_parkme+0xfb/0x1a0 [ 397.968209] ? sort_range+0x30/0x30 [ 397.971851] kthread+0x35a/0x440 [ 397.975216] ? kthread_stop+0x900/0x900 [ 397.979191] ret_from_fork+0x3a/0x50 [ 397.982933] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 397.982938] warn_alloc_show_mem: 1 callbacks suppressed [ 397.982946] Mem-Info: [ 397.990298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.995669] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 397.995669] active_file:133 inactive_file:117 isolated_file:0 [ 397.995669] unevictable:0 dirty:3 writeback:0 unstable:0 [ 397.995669] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 397.995669] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 397.995669] free:13727 free_pcp:164 free_cma:0 [ 397.998042] Call Trace: [ 398.007447] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 398.040641] [ 398.043209] 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 [ 398.070962] dump_stack+0x244/0x39d [ 398.073087] lowmem_reserve[]: 0 2818 6321 6321 [ 398.099189] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.102789] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 398.107383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.112553] lowmem_reserve[]: 0 0 3503 3503 [ 398.140165] warn_alloc.cold.116+0xb7/0x1bd [ 398.145689] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 398.150004] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.154299] lowmem_reserve[]: 0 0 0 0 [ 398.183529] ? lock_downgrade+0x900/0x900 [ 398.188346] 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 [ 398.192298] ? trace_hardirqs_off+0xb8/0x310 [ 398.196417] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 398.209945] ? trace_hardirqs_off+0xb8/0x310 [ 398.214342] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 398.229682] __alloc_pages_slowpath+0x2651/0x2de0 [ 398.234072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.247604] ? warn_alloc+0x120/0x120 [ 398.252412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.261238] ? print_usage_bug+0xc0/0xc0 [ 398.265031] 2220 total pagecache pages [ 398.273612] ? warn_alloc+0x120/0x120 [ 398.277655] 0 pages in swap cache [ 398.281530] ? warn_alloc+0x120/0x120 [ 398.285308] Swap cache stats: add 0, delete 0, find 0/0 [ 398.288750] ? print_usage_bug+0xc0/0xc0 [ 398.292525] Free swap = 0kB [ 398.297902] ? print_usage_bug+0xc0/0xc0 [ 398.301945] Total swap = 0kB [ 398.304971] ? __lock_acquire+0x62f/0x4c20 [ 398.309009] 1965979 pages RAM [ 398.312021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.316231] 0 pages HighMem/MovableOnly [ 398.319331] ? should_fail+0x22d/0xd01 [ 398.324842] 342854 pages reserved [ 398.328812] ? __lock_acquire+0x62f/0x4c20 [ 398.332672] 0 pages cma reserved [ 398.336122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.340407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.343694] ? __lock_acquire+0x62f/0x4c20 [ 398.348850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.355282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.359496] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 398.369813] ? __lock_acquire+0x62f/0x4c20 [ 398.383799] ? should_fail+0x22d/0xd01 [ 398.387697] ? mark_held_locks+0x130/0x130 [ 398.391936] ? mark_held_locks+0x130/0x130 [ 398.396168] ? zap_class+0x640/0x640 [ 398.399910] ? zap_class+0x640/0x640 [ 398.403625] ? print_usage_bug+0xc0/0xc0 [ 398.407684] ? wq_watchdog_touch+0x9c/0xfe [ 398.411922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.417468] ? check_preemption_disabled+0x48/0x280 [ 398.422498] ? __lock_is_held+0xb5/0x140 [ 398.426564] __alloc_pages_nodemask+0xad8/0xea0 [ 398.431241] ? zap_class+0x640/0x640 [ 398.434963] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 398.439989] ? find_held_lock+0x36/0x1c0 [ 398.444060] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.448732] ? lock_downgrade+0x900/0x900 [ 398.452902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.458448] cache_grow_begin+0xa5/0x8c0 [ 398.462508] ? do_raw_spin_unlock+0xa7/0x330 [ 398.466927] fallback_alloc+0x204/0x2e0 [ 398.470914] ____cache_alloc_node+0x1c7/0x1e0 [ 398.475428] kmem_cache_alloc_node+0xe3/0x730 [ 398.479925] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.484172] __alloc_skb+0x119/0x770 [ 398.487884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.493164] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.497590] ? lock_downgrade+0x900/0x900 [ 398.501749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.507290] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.512748] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.518197] ? addrconf_rs_timer+0x690/0x690 [ 398.522621] ndisc_alloc_skb+0x144/0x340 [ 398.526692] ndisc_send_rs+0x331/0x6e0 [ 398.530585] addrconf_rs_timer+0x314/0x690 [ 398.534828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.539071] call_timer_fn+0x272/0x920 [ 398.542961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.547202] ? process_timeout+0x40/0x40 [ 398.551270] ? __run_timers+0x7da/0xc70 [ 398.555247] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.559739] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.564251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.568501] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.573100] ? trace_hardirqs_on+0xbd/0x310 [ 398.577443] ? kasan_check_read+0x11/0x20 [ 398.581593] ? __run_timers+0x7da/0xc70 [ 398.585568] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.590684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.594948] __run_timers+0x7e5/0xc70 [ 398.598762] ? timer_fixup_init+0x70/0x70 [ 398.602910] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.607929] ? zap_class+0x640/0x640 [ 398.611689] ? enqueue_hrtimer+0x1a5/0x560 [ 398.615927] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.621128] ? find_held_lock+0x36/0x1c0 [ 398.625206] ? zap_class+0x640/0x640 [ 398.628922] ? pvclock_read_flags+0x160/0x160 [ 398.633433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.638973] ? check_preemption_disabled+0x48/0x280 [ 398.644002] ? __lock_is_held+0xb5/0x140 [ 398.648063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.653601] ? check_preemption_disabled+0x48/0x280 [ 398.658621] run_timer_softirq+0x52/0xb0 [ 398.662687] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.667702] __do_softirq+0x308/0xb7e [ 398.671508] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.676007] ? lock_downgrade+0x900/0x900 [ 398.680162] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.685286] ? pvclock_read_flags+0x160/0x160 [ 398.689783] ? lapic_next_event+0x5a/0x90 [ 398.693935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.699506] ? kvm_clock_read+0x18/0x30 [ 398.703481] ? kvm_sched_clock_read+0x9/0x20 [ 398.707905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.713445] ? check_preemption_disabled+0x48/0x280 [ 398.718469] irq_exit+0x17f/0x1c0 [ 398.721923] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.726767] ? smp_reschedule_interrupt+0x109/0x650 [ 398.731788] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.737671] ? interrupt_entry+0xb5/0xc0 [ 398.741737] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.746756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.751789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.756635] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.761650] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.766666] ? task_prio+0x50/0x50 [ 398.770211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.775751] ? check_preemption_disabled+0x48/0x280 [ 398.780775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.785625] apic_timer_interrupt+0xf/0x20 [ 398.789854] [ 398.792097] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.797042] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 398.815938] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 398.823677] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.830957] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 398.838223] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 398.845487] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.852774] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 398.860077] skb_clone+0x1bb/0x500 [ 398.863623] ? skb_split+0x11e0/0x11e0 [ 398.867517] ? preempt_notifier_register+0x200/0x200 [ 398.872619] ? __switch_to_asm+0x34/0x70 [ 398.876679] ? __switch_to_asm+0x34/0x70 [ 398.880742] ? __switch_to_asm+0x40/0x70 [ 398.884818] ? __switch_to_asm+0x34/0x70 [ 398.888874] ? __switch_to_asm+0x40/0x70 [ 398.892966] ? __switch_to_asm+0x40/0x70 [ 398.897022] ? __switch_to_asm+0x34/0x70 [ 398.901082] ? __switch_to_asm+0x34/0x70 [ 398.905141] ? __switch_to_asm+0x40/0x70 [ 398.909200] ? __switch_to_asm+0x34/0x70 [ 398.913268] bpf_clone_redirect+0xb9/0x490 [ 398.917510] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 398.922529] ? __sched_text_start+0x8/0x8 [ 398.926676] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.931453] ? find_held_lock+0x36/0x1c0 [ 398.935528] ? lock_acquire+0x1ed/0x520 [ 398.939506] ? bpf_test_run+0x3ee/0x7a0 [ 398.943482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.949023] ? check_preemption_disabled+0x48/0x280 [ 398.954047] ? kasan_check_read+0x11/0x20 [ 398.958196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.963472] ? rcu_softirq_qs+0x20/0x20 [ 398.967453] ? preempt_schedule+0x4d/0x60 [ 398.971602] ? ___preempt_schedule+0x16/0x18 [ 398.976019] ? bpf_test_run+0x271/0x7a0 [ 398.980011] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.984433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.989973] ? bpf_test_init.isra.10+0x70/0x100 [ 398.994648] ? bpf_prog_test_run_skb+0x762/0xd60 [ 398.999430] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.004285] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.009824] ? fput+0x130/0x1a0 [ 399.013111] ? __bpf_prog_get+0x9b/0x290 [ 399.017179] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.022023] ? bpf_prog_test_run+0x130/0x1a0 [ 399.026443] ? __x64_sys_bpf+0x3d8/0x520 [ 399.030510] ? bpf_prog_get+0x20/0x20 [ 399.034334] ? do_syscall_64+0x1b9/0x820 [ 399.038406] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.043780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.048711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.053560] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.058578] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.064020] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.069051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.073918] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.079294] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 399.079361] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.086217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.086226] Call Trace: [ 399.092789] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.102057] dump_stack+0x244/0x39d [ 399.104616] syz-executor2 cpuset=syz2 mems_allowed=0 [ 399.115092] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.128961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.134522] warn_alloc.cold.116+0xb7/0x1bd [ 399.138847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.143696] ? lock_downgrade+0x900/0x900 [ 399.147850] ? trace_hardirqs_off+0xb8/0x310 [ 399.152265] ? trace_hardirqs_off+0xb8/0x310 [ 399.156681] __alloc_pages_slowpath+0x2651/0x2de0 [ 399.161558] ? warn_alloc+0x120/0x120 [ 399.165360] ? print_usage_bug+0xc0/0xc0 [ 399.169428] ? warn_alloc+0x120/0x120 [ 399.173235] ? warn_alloc+0x120/0x120 [ 399.177053] ? print_usage_bug+0xc0/0xc0 [ 399.181133] ? print_usage_bug+0xc0/0xc0 [ 399.185193] ? __lock_acquire+0x62f/0x4c20 [ 399.189466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.195004] ? should_fail+0x22d/0xd01 [ 399.198927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.204035] ? __lock_acquire+0x62f/0x4c20 [ 399.208275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.213385] ? __lock_acquire+0x62f/0x4c20 [ 399.217627] ? should_fail+0x22d/0xd01 [ 399.221518] ? find_held_lock+0x36/0x1c0 [ 399.225590] ? mark_held_locks+0x130/0x130 [ 399.229829] ? mark_held_locks+0x130/0x130 [ 399.234063] ? zap_class+0x640/0x640 [ 399.237776] ? zap_class+0x640/0x640 [ 399.241492] ? print_usage_bug+0xc0/0xc0 [ 399.245551] ? do_raw_spin_unlock+0xa7/0x330 [ 399.249964] ? zap_class+0x640/0x640 [ 399.253683] ? print_usage_bug+0xc0/0xc0 [ 399.257744] ? wq_watchdog_touch+0x9c/0xfe [ 399.261982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.267535] ? check_preemption_disabled+0x48/0x280 [ 399.272560] ? __lock_is_held+0xb5/0x140 [ 399.276629] __alloc_pages_nodemask+0xad8/0xea0 [ 399.281301] ? zap_class+0x640/0x640 [ 399.285021] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 399.290051] ? find_held_lock+0x36/0x1c0 [ 399.294120] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.298794] ? lock_downgrade+0x900/0x900 [ 399.302955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.308499] cache_grow_begin+0xa5/0x8c0 [ 399.312558] ? do_raw_spin_unlock+0xa7/0x330 [ 399.316971] fallback_alloc+0x204/0x2e0 [ 399.320952] ____cache_alloc_node+0x1c7/0x1e0 [ 399.325455] kmem_cache_alloc_node+0xe3/0x730 [ 399.329954] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.334213] __alloc_skb+0x119/0x770 [ 399.337938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.343235] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.347643] ? lock_downgrade+0x900/0x900 [ 399.351798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.357335] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.362789] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.368241] ? addrconf_rs_timer+0x690/0x690 [ 399.372660] ndisc_alloc_skb+0x144/0x340 [ 399.376730] ndisc_send_rs+0x331/0x6e0 [ 399.380624] addrconf_rs_timer+0x314/0x690 [ 399.384878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.389133] call_timer_fn+0x272/0x920 [ 399.393026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.397261] ? process_timeout+0x40/0x40 [ 399.401334] ? __run_timers+0x7da/0xc70 [ 399.405308] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.409803] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.414296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.418529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.423125] ? trace_hardirqs_on+0xbd/0x310 [ 399.427450] ? kasan_check_read+0x11/0x20 [ 399.431596] ? __run_timers+0x7da/0xc70 [ 399.435586] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.440710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.444952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.449184] __run_timers+0x7e5/0xc70 [ 399.452997] ? timer_fixup_init+0x70/0x70 [ 399.457147] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.461642] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.466167] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.470752] ? trace_hardirqs_on+0xbd/0x310 [ 399.475074] ? kasan_check_read+0x11/0x20 [ 399.479223] ? finish_task_switch+0x1f4/0x910 [ 399.483754] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.488874] ? compat_start_thread+0x80/0x80 [ 399.493316] ? pvclock_read_flags+0x160/0x160 [ 399.497804] ? __switch_to_asm+0x34/0x70 [ 399.501870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.507417] ? check_preemption_disabled+0x48/0x280 [ 399.512451] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 399.517994] ? rcu_pm_notify+0xc0/0xc0 [ 399.521916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.527458] ? check_preemption_disabled+0x48/0x280 [ 399.532479] run_timer_softirq+0x52/0xb0 [ 399.536541] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.541558] __do_softirq+0x308/0xb7e [ 399.545379] ? retint_kernel+0x2d/0x2d [ 399.549279] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.554381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.559841] ? retint_kernel+0x2d/0x2d [ 399.563750] ? schedule+0x108/0x460 [ 399.567399] ? trace_hardirqs_off+0xb8/0x310 [ 399.571824] ? smpboot_thread_fn+0x68b/0xa00 [ 399.576249] ? trace_hardirqs_on+0x310/0x310 [ 399.580691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.586235] ? check_preemption_disabled+0x48/0x280 [ 399.591259] ? takeover_tasklets+0xa90/0xa90 [ 399.595670] run_ksoftirqd+0x5e/0x100 [ 399.599468] smpboot_thread_fn+0x68b/0xa00 [ 399.603704] ? sort_range+0x30/0x30 [ 399.607332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.612440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.617981] ? __kthread_parkme+0xfb/0x1a0 [ 399.622218] ? sort_range+0x30/0x30 [ 399.625859] kthread+0x35a/0x440 [ 399.629240] ? kthread_stop+0x900/0x900 [ 399.633215] ret_from_fork+0x3a/0x50 [ 399.636967] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 399.636972] warn_alloc_show_mem: 1 callbacks suppressed [ 399.636980] Mem-Info: [ 399.644332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.649704] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 399.649704] active_file:133 inactive_file:117 isolated_file:0 [ 399.649704] unevictable:0 dirty:3 writeback:0 unstable:0 [ 399.649704] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 399.649704] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 399.649704] free:13727 free_pcp:164 free_cma:0 [ 399.652075] Call Trace: [ 399.661442] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 399.661477] 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 [ 399.694688] [ 399.697268] lowmem_reserve[]: 0 2818 6321 6321 [ 399.725022] dump_stack+0x244/0x39d [ 399.751104] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 399.753250] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.757801] lowmem_reserve[]: 0 0 3503 3503 [ 399.761437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.789001] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 399.794191] warn_alloc.cold.116+0xb7/0x1bd [ 399.798499] lowmem_reserve[]: 0 0 0 0 [ 399.804030] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.833237] 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 [ 399.837553] ? lock_downgrade+0x900/0x900 [ 399.841331] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 399.846201] ? trace_hardirqs_off+0xb8/0x310 [ 399.859695] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 399.863855] ? trace_hardirqs_off+0xb8/0x310 [ 399.879180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.883577] __alloc_pages_slowpath+0x2651/0x2de0 [ 399.897080] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.901494] ? warn_alloc+0x120/0x120 [ 399.910282] 2220 total pagecache pages [ 399.915118] ? print_usage_bug+0xc0/0xc0 [ 399.923670] 0 pages in swap cache [ 399.927456] ? warn_alloc+0x120/0x120 [ 399.931323] Swap cache stats: add 0, delete 0, find 0/0 [ 399.935374] ? warn_alloc+0x120/0x120 [ 399.938812] Free swap = 0kB [ 399.942607] ? print_usage_bug+0xc0/0xc0 [ 399.947945] Total swap = 0kB [ 399.951739] ? kvm_clock_read+0x18/0x30 [ 399.954749] 1965979 pages RAM [ 399.958814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.961822] 0 pages HighMem/MovableOnly [ 399.965790] ? print_usage_bug+0xc0/0xc0 [ 399.968890] 342854 pages reserved [ 399.973899] ? __lock_acquire+0x62f/0x4c20 [ 399.977855] 0 pages cma reserved [ 399.981906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.985440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.989560] ? should_fail+0x22d/0xd01 [ 399.989574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.989592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.992986] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.998466] ? __lock_acquire+0x62f/0x4c20 [ 400.004941] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 400.008825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.043450] ? __lock_acquire+0x62f/0x4c20 [ 400.047688] ? should_fail+0x22d/0xd01 [ 400.051571] ? rcu_irq_exit+0x1a2/0x390 [ 400.055572] ? mark_held_locks+0x130/0x130 [ 400.059813] ? mark_held_locks+0x130/0x130 [ 400.064056] ? mark_held_locks+0xc7/0x130 [ 400.068203] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 400.073219] ? zap_class+0x640/0x640 [ 400.076936] ? print_usage_bug+0xc0/0xc0 [ 400.081001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.086560] ? check_preemption_disabled+0x48/0x280 [ 400.091587] ? __lock_is_held+0xb5/0x140 [ 400.095653] __alloc_pages_nodemask+0xad8/0xea0 [ 400.100324] ? zap_class+0x640/0x640 [ 400.104046] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 400.109075] ? find_held_lock+0x36/0x1c0 [ 400.113145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.117815] ? lock_downgrade+0x900/0x900 [ 400.121970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.127513] cache_grow_begin+0xa5/0x8c0 [ 400.131574] ? do_raw_spin_unlock+0xa7/0x330 [ 400.135995] fallback_alloc+0x204/0x2e0 [ 400.139975] ____cache_alloc_node+0x1c7/0x1e0 [ 400.144475] kmem_cache_alloc_node+0xe3/0x730 [ 400.148968] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.153230] __alloc_skb+0x119/0x770 [ 400.156948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.162249] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.166654] ? lock_downgrade+0x900/0x900 [ 400.170826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.176360] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.181819] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.187269] ? addrconf_rs_timer+0x690/0x690 [ 400.191704] ndisc_alloc_skb+0x144/0x340 [ 400.195922] ndisc_send_rs+0x331/0x6e0 [ 400.199819] addrconf_rs_timer+0x314/0x690 [ 400.204060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.208308] call_timer_fn+0x272/0x920 [ 400.212199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.216440] ? process_timeout+0x40/0x40 [ 400.220514] ? __run_timers+0x7da/0xc70 [ 400.224489] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.228989] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.233485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.237720] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.242303] ? trace_hardirqs_on+0xbd/0x310 [ 400.246624] ? kasan_check_read+0x11/0x20 [ 400.250769] ? __run_timers+0x7da/0xc70 [ 400.254744] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.259899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.264132] __run_timers+0x7e5/0xc70 [ 400.267946] ? timer_fixup_init+0x70/0x70 [ 400.272098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.277115] ? zap_class+0x640/0x640 [ 400.280847] ? enqueue_hrtimer+0x1a5/0x560 [ 400.285098] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.290296] ? find_held_lock+0x36/0x1c0 [ 400.294361] ? zap_class+0x640/0x640 [ 400.298092] ? pvclock_read_flags+0x160/0x160 [ 400.302590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.308130] ? check_preemption_disabled+0x48/0x280 [ 400.313156] ? __lock_is_held+0xb5/0x140 [ 400.317221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.322774] ? check_preemption_disabled+0x48/0x280 [ 400.327812] run_timer_softirq+0x52/0xb0 [ 400.331878] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.336894] __do_softirq+0x308/0xb7e [ 400.340701] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.345196] ? lock_downgrade+0x900/0x900 [ 400.349371] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.354495] ? pvclock_read_flags+0x160/0x160 [ 400.358996] ? lapic_next_event+0x5a/0x90 [ 400.363145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.368689] ? kvm_clock_read+0x18/0x30 [ 400.372666] ? kvm_sched_clock_read+0x9/0x20 [ 400.377081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.382623] ? check_preemption_disabled+0x48/0x280 [ 400.387655] irq_exit+0x17f/0x1c0 [ 400.391111] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.395983] ? smp_reschedule_interrupt+0x109/0x650 [ 400.400999] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.406881] ? interrupt_entry+0xb5/0xc0 [ 400.410942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.415974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.420995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.425842] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.430854] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.435870] ? task_prio+0x50/0x50 [ 400.439428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.445004] ? check_preemption_disabled+0x48/0x280 [ 400.450061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.454915] apic_timer_interrupt+0xf/0x20 [ 400.459144] [ 400.461379] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.466325] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 400.485228] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 400.492931] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.500198] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 400.507464] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 400.514732] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 400.521997] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 400.529297] skb_clone+0x1bb/0x500 [ 400.532843] ? skb_split+0x11e0/0x11e0 [ 400.536738] ? preempt_notifier_register+0x200/0x200 [ 400.541838] ? __switch_to_asm+0x34/0x70 [ 400.545912] ? __switch_to_asm+0x34/0x70 [ 400.549985] ? __switch_to_asm+0x40/0x70 [ 400.554062] ? __switch_to_asm+0x34/0x70 [ 400.558135] ? __switch_to_asm+0x40/0x70 [ 400.562191] ? __switch_to_asm+0x40/0x70 [ 400.566249] ? __switch_to_asm+0x34/0x70 [ 400.570308] ? __switch_to_asm+0x34/0x70 [ 400.574369] ? __switch_to_asm+0x40/0x70 [ 400.578445] ? __switch_to_asm+0x34/0x70 [ 400.582512] bpf_clone_redirect+0xb9/0x490 [ 400.586763] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 400.591783] ? __sched_text_start+0x8/0x8 [ 400.595948] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.600714] ? find_held_lock+0x36/0x1c0 [ 400.604811] ? lock_acquire+0x1ed/0x520 [ 400.608789] ? bpf_test_run+0x3ee/0x7a0 [ 400.612764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.618303] ? check_preemption_disabled+0x48/0x280 [ 400.623338] ? kasan_check_read+0x11/0x20 [ 400.627488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.632761] ? rcu_softirq_qs+0x20/0x20 [ 400.636735] ? preempt_schedule+0x4d/0x60 [ 400.640885] ? ___preempt_schedule+0x16/0x18 [ 400.645301] ? bpf_test_run+0x271/0x7a0 [ 400.649290] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.653702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.659257] ? bpf_test_init.isra.10+0x70/0x100 [ 400.663932] ? bpf_prog_test_run_skb+0x762/0xd60 [ 400.668700] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.673552] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.679088] ? fput+0x130/0x1a0 [ 400.682370] ? __bpf_prog_get+0x9b/0x290 [ 400.686447] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.691289] ? bpf_prog_test_run+0x130/0x1a0 [ 400.695702] ? __x64_sys_bpf+0x3d8/0x520 [ 400.699762] ? bpf_prog_get+0x20/0x20 [ 400.703586] ? do_syscall_64+0x1b9/0x820 [ 400.707649] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.713031] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.717972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.722820] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.727851] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.732868] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.737891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.742747] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.748145] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 400.748265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.755112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.755117] Call Trace: [ 400.755135] dump_stack+0x244/0x39d [ 400.755153] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.755199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.761760] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.771032] warn_alloc.cold.116+0xb7/0x1bd [ 400.773593] syz-executor2 cpuset=syz2 mems_allowed=0 [ 400.777216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.812622] ? lock_downgrade+0x900/0x900 [ 400.816780] ? trace_hardirqs_off+0xb8/0x310 [ 400.821216] ? trace_hardirqs_off+0xb8/0x310 [ 400.825635] __alloc_pages_slowpath+0x2651/0x2de0 [ 400.830513] ? warn_alloc+0x120/0x120 [ 400.834319] ? print_usage_bug+0xc0/0xc0 [ 400.838401] ? warn_alloc+0x120/0x120 [ 400.842212] ? warn_alloc+0x120/0x120 [ 400.846014] ? print_usage_bug+0xc0/0xc0 [ 400.850096] ? print_usage_bug+0xc0/0xc0 [ 400.854161] ? __lock_acquire+0x62f/0x4c20 [ 400.858409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.863951] ? should_fail+0x22d/0xd01 [ 400.867858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.872973] ? __lock_acquire+0x62f/0x4c20 [ 400.877213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.882315] ? __lock_acquire+0x62f/0x4c20 [ 400.886553] ? should_fail+0x22d/0xd01 [ 400.890445] ? find_held_lock+0x36/0x1c0 [ 400.894516] ? mark_held_locks+0x130/0x130 [ 400.898759] ? mark_held_locks+0x130/0x130 [ 400.903008] ? zap_class+0x640/0x640 [ 400.906724] ? zap_class+0x640/0x640 [ 400.910439] ? print_usage_bug+0xc0/0xc0 [ 400.914515] ? do_raw_spin_unlock+0xa7/0x330 [ 400.918926] ? zap_class+0x640/0x640 [ 400.922643] ? print_usage_bug+0xc0/0xc0 [ 400.926706] ? wq_watchdog_touch+0x9c/0xfe [ 400.930951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.936487] ? check_preemption_disabled+0x48/0x280 [ 400.941524] ? __lock_is_held+0xb5/0x140 [ 400.945605] __alloc_pages_nodemask+0xad8/0xea0 [ 400.950277] ? zap_class+0x640/0x640 [ 400.954001] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 400.959027] ? find_held_lock+0x36/0x1c0 [ 400.963126] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.967814] ? lock_downgrade+0x900/0x900 [ 400.971970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.977513] cache_grow_begin+0xa5/0x8c0 [ 400.981572] ? do_raw_spin_unlock+0xa7/0x330 [ 400.986003] fallback_alloc+0x204/0x2e0 [ 400.989996] ____cache_alloc_node+0x1c7/0x1e0 [ 400.994498] kmem_cache_alloc_node+0xe3/0x730 [ 400.998993] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.003241] __alloc_skb+0x119/0x770 [ 401.006954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.012235] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.016645] ? lock_downgrade+0x900/0x900 [ 401.020803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.026345] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.031798] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.037251] ? addrconf_rs_timer+0x690/0x690 [ 401.041686] ndisc_alloc_skb+0x144/0x340 [ 401.045761] ndisc_send_rs+0x331/0x6e0 [ 401.049658] addrconf_rs_timer+0x314/0x690 [ 401.053937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.058187] call_timer_fn+0x272/0x920 [ 401.062217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.066455] ? process_timeout+0x40/0x40 [ 401.070543] ? __run_timers+0x7da/0xc70 [ 401.074526] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.079022] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.083517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.087772] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.092371] ? trace_hardirqs_on+0xbd/0x310 [ 401.096963] ? kasan_check_read+0x11/0x20 [ 401.101109] ? __run_timers+0x7da/0xc70 [ 401.105086] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.110192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.114533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.118765] __run_timers+0x7e5/0xc70 [ 401.122578] ? timer_fixup_init+0x70/0x70 [ 401.126744] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.131241] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.135737] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.140322] ? trace_hardirqs_on+0xbd/0x310 [ 401.144649] ? kasan_check_read+0x11/0x20 [ 401.148843] ? finish_task_switch+0x1f4/0x910 [ 401.153379] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.158498] ? compat_start_thread+0x80/0x80 [ 401.162934] ? pvclock_read_flags+0x160/0x160 [ 401.167428] ? __switch_to_asm+0x34/0x70 [ 401.171495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.177047] ? check_preemption_disabled+0x48/0x280 [ 401.182073] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 401.187625] ? rcu_pm_notify+0xc0/0xc0 [ 401.191517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.197056] ? check_preemption_disabled+0x48/0x280 [ 401.202078] run_timer_softirq+0x52/0xb0 [ 401.206142] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.211159] __do_softirq+0x308/0xb7e [ 401.214977] ? retint_kernel+0x2d/0x2d [ 401.218887] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.223995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.229451] ? retint_kernel+0x2d/0x2d [ 401.233341] ? schedule+0x108/0x460 [ 401.236992] ? trace_hardirqs_off+0xb8/0x310 [ 401.241406] ? smpboot_thread_fn+0x68b/0xa00 [ 401.245815] ? trace_hardirqs_on+0x310/0x310 [ 401.250227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.255778] ? check_preemption_disabled+0x48/0x280 [ 401.260797] ? takeover_tasklets+0xa90/0xa90 [ 401.265210] run_ksoftirqd+0x5e/0x100 [ 401.269013] smpboot_thread_fn+0x68b/0xa00 [ 401.273264] ? sort_range+0x30/0x30 [ 401.276889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.281999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.287535] ? __kthread_parkme+0xfb/0x1a0 [ 401.291774] ? sort_range+0x30/0x30 [ 401.295408] kthread+0x35a/0x440 [ 401.298777] ? kthread_stop+0x900/0x900 [ 401.302753] ret_from_fork+0x3a/0x50 [ 401.306491] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 401.306497] warn_alloc_show_mem: 1 callbacks suppressed [ 401.306504] Mem-Info: [ 401.313862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.319247] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 401.319247] active_file:133 inactive_file:117 isolated_file:0 [ 401.319247] unevictable:0 dirty:3 writeback:0 unstable:0 [ 401.319247] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 401.319247] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 401.319247] free:13727 free_pcp:164 free_cma:0 [ 401.321621] Call Trace: [ 401.331010] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 401.364224] [ 401.366792] 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 [ 401.394588] dump_stack+0x244/0x39d [ 401.396717] lowmem_reserve[]: 0 2818 6321 6321 [ 401.422820] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.426415] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 401.431002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.436199] lowmem_reserve[]: 0 0 3503 3503 [ 401.463783] warn_alloc.cold.116+0xb7/0x1bd [ 401.469290] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 401.473611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.477905] lowmem_reserve[]: 0 0 0 0 [ 401.507134] ? lock_downgrade+0x900/0x900 [ 401.511951] 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 [ 401.515750] ? trace_hardirqs_off+0xb8/0x310 [ 401.519874] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 401.533401] ? trace_hardirqs_off+0xb8/0x310 [ 401.537781] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 401.553123] __alloc_pages_slowpath+0x2651/0x2de0 [ 401.557514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.571047] ? warn_alloc+0x120/0x120 [ 401.575851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.584672] ? print_usage_bug+0xc0/0xc0 [ 401.588460] 2220 total pagecache pages [ 401.597024] ? warn_alloc+0x120/0x120 [ 401.601067] 0 pages in swap cache [ 401.604946] ? warn_alloc+0x120/0x120 [ 401.608728] Swap cache stats: add 0, delete 0, find 0/0 [ 401.612173] ? print_usage_bug+0xc0/0xc0 [ 401.615951] Free swap = 0kB [ 401.621307] ? kvm_clock_read+0x18/0x30 [ 401.625339] Total swap = 0kB [ 401.628355] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.632307] 1965979 pages RAM [ 401.635316] ? print_usage_bug+0xc0/0xc0 [ 401.640306] 0 pages HighMem/MovableOnly [ 401.643417] ? __lock_acquire+0x62f/0x4c20 [ 401.647469] 342854 pages reserved [ 401.651439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.655646] 0 pages cma reserved [ 401.659110] ? should_fail+0x22d/0xd01 [ 401.664688] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.667974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.667993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.671950] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.678346] ? __lock_acquire+0x62f/0x4c20 [ 401.683615] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 401.688713] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.712977] ? __lock_acquire+0x62f/0x4c20 [ 401.717208] ? should_fail+0x22d/0xd01 [ 401.721094] ? rcu_irq_exit+0x1a2/0x390 [ 401.725078] ? mark_held_locks+0x130/0x130 [ 401.729318] ? mark_held_locks+0x130/0x130 [ 401.733575] ? mark_held_locks+0xc7/0x130 [ 401.737740] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 401.742760] ? zap_class+0x640/0x640 [ 401.746477] ? print_usage_bug+0xc0/0xc0 [ 401.750541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.756083] ? check_preemption_disabled+0x48/0x280 [ 401.761111] ? __lock_is_held+0xb5/0x140 [ 401.765209] __alloc_pages_nodemask+0xad8/0xea0 [ 401.769877] ? zap_class+0x640/0x640 [ 401.773598] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 401.778629] ? find_held_lock+0x36/0x1c0 [ 401.782718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.787430] ? lock_downgrade+0x900/0x900 [ 401.791608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.797154] cache_grow_begin+0xa5/0x8c0 [ 401.801234] ? do_raw_spin_unlock+0xa7/0x330 [ 401.805652] fallback_alloc+0x204/0x2e0 [ 401.809645] ____cache_alloc_node+0x1c7/0x1e0 [ 401.814142] kmem_cache_alloc_node+0xe3/0x730 [ 401.818662] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.822908] __alloc_skb+0x119/0x770 [ 401.826635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.831914] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.836326] ? lock_downgrade+0x900/0x900 [ 401.840516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.846054] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.851508] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.856957] ? addrconf_rs_timer+0x690/0x690 [ 401.861376] ndisc_alloc_skb+0x144/0x340 [ 401.865451] ndisc_send_rs+0x331/0x6e0 [ 401.869342] addrconf_rs_timer+0x314/0x690 [ 401.873586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.877834] call_timer_fn+0x272/0x920 [ 401.881723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.885962] ? process_timeout+0x40/0x40 [ 401.890029] ? __run_timers+0x7da/0xc70 [ 401.894010] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.898506] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.903000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.907234] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.911821] ? trace_hardirqs_on+0xbd/0x310 [ 401.916141] ? kasan_check_read+0x11/0x20 [ 401.920287] ? __run_timers+0x7da/0xc70 [ 401.924262] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.929368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.933617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.937853] __run_timers+0x7e5/0xc70 [ 401.941662] ? timer_fixup_init+0x70/0x70 [ 401.945817] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.950836] ? zap_class+0x640/0x640 [ 401.954556] ? enqueue_hrtimer+0x1a5/0x560 [ 401.958792] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.963990] ? find_held_lock+0x36/0x1c0 [ 401.968061] ? zap_class+0x640/0x640 [ 401.971779] ? pvclock_read_flags+0x160/0x160 [ 401.976275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.981820] ? check_preemption_disabled+0x48/0x280 [ 401.986846] ? __lock_is_held+0xb5/0x140 [ 401.990913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.996451] ? check_preemption_disabled+0x48/0x280 [ 402.001473] run_timer_softirq+0x52/0xb0 [ 402.005539] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.010563] __do_softirq+0x308/0xb7e [ 402.014371] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 402.018877] ? lock_downgrade+0x900/0x900 [ 402.023035] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.028149] ? pvclock_read_flags+0x160/0x160 [ 402.032653] ? lapic_next_event+0x5a/0x90 [ 402.036805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.042351] ? kvm_clock_read+0x18/0x30 [ 402.046326] ? kvm_sched_clock_read+0x9/0x20 [ 402.050739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.056277] ? check_preemption_disabled+0x48/0x280 [ 402.061305] irq_exit+0x17f/0x1c0 [ 402.064765] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.069606] ? smp_reschedule_interrupt+0x109/0x650 [ 402.074627] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.080516] ? interrupt_entry+0xb5/0xc0 [ 402.084579] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.089595] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.094615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.099457] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.104499] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.109558] ? task_prio+0x50/0x50 [ 402.113099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.118636] ? check_preemption_disabled+0x48/0x280 [ 402.123662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.128512] apic_timer_interrupt+0xf/0x20 [ 402.132739] [ 402.134983] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.139922] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 402.158906] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 402.166613] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.173881] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 402.181150] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 402.188426] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.195857] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 402.203162] skb_clone+0x1bb/0x500 [ 402.206710] ? skb_split+0x11e0/0x11e0 [ 402.210605] ? preempt_notifier_register+0x200/0x200 [ 402.215704] ? __switch_to_asm+0x34/0x70 [ 402.219764] ? __switch_to_asm+0x34/0x70 [ 402.223826] ? __switch_to_asm+0x40/0x70 [ 402.227885] ? __switch_to_asm+0x34/0x70 [ 402.231945] ? __switch_to_asm+0x40/0x70 [ 402.236005] ? __switch_to_asm+0x40/0x70 [ 402.240079] ? __switch_to_asm+0x34/0x70 [ 402.244136] ? __switch_to_asm+0x34/0x70 [ 402.248195] ? __switch_to_asm+0x40/0x70 [ 402.252255] ? __switch_to_asm+0x34/0x70 [ 402.256321] bpf_clone_redirect+0xb9/0x490 [ 402.260568] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 402.265586] ? __sched_text_start+0x8/0x8 [ 402.269737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.274510] ? find_held_lock+0x36/0x1c0 [ 402.278590] ? lock_acquire+0x1ed/0x520 [ 402.282566] ? bpf_test_run+0x3ee/0x7a0 [ 402.286544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.292105] ? check_preemption_disabled+0x48/0x280 [ 402.297126] ? kasan_check_read+0x11/0x20 [ 402.301288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.306591] ? rcu_softirq_qs+0x20/0x20 [ 402.310571] ? preempt_schedule+0x4d/0x60 [ 402.314718] ? ___preempt_schedule+0x16/0x18 [ 402.319137] ? bpf_test_run+0x271/0x7a0 [ 402.323124] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.327540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.333077] ? bpf_test_init.isra.10+0x70/0x100 [ 402.337753] ? bpf_prog_test_run_skb+0x762/0xd60 [ 402.342521] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.347371] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.352924] ? fput+0x130/0x1a0 [ 402.356217] ? __bpf_prog_get+0x9b/0x290 [ 402.360285] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.365126] ? bpf_prog_test_run+0x130/0x1a0 [ 402.369541] ? __x64_sys_bpf+0x3d8/0x520 [ 402.373603] ? bpf_prog_get+0x20/0x20 [ 402.377437] ? do_syscall_64+0x1b9/0x820 [ 402.381515] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.386881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.391808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.396658] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.401674] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.406692] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.411718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.416568] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.421979] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 402.422049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.428909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.435493] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.444743] Call Trace: [ 402.455212] syz-executor2 cpuset=syz2 mems_allowed=0 [ 402.457790] dump_stack+0x244/0x39d [ 402.466526] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.471717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.477269] warn_alloc.cold.116+0xb7/0x1bd [ 402.481593] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.486454] ? lock_downgrade+0x900/0x900 [ 402.490624] ? trace_hardirqs_off+0xb8/0x310 [ 402.495036] ? trace_hardirqs_off+0xb8/0x310 [ 402.499480] __alloc_pages_slowpath+0x2651/0x2de0 [ 402.504352] ? warn_alloc+0x120/0x120 [ 402.508172] ? print_usage_bug+0xc0/0xc0 [ 402.512234] ? warn_alloc+0x120/0x120 [ 402.516040] ? warn_alloc+0x120/0x120 [ 402.519858] ? print_usage_bug+0xc0/0xc0 [ 402.523942] ? print_usage_bug+0xc0/0xc0 [ 402.528004] ? __lock_acquire+0x62f/0x4c20 [ 402.532246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.537782] ? should_fail+0x22d/0xd01 [ 402.541675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.546778] ? __lock_acquire+0x62f/0x4c20 [ 402.551020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.556131] ? __lock_acquire+0x62f/0x4c20 [ 402.560382] ? should_fail+0x22d/0xd01 [ 402.564277] ? find_held_lock+0x36/0x1c0 [ 402.568348] ? mark_held_locks+0x130/0x130 [ 402.572587] ? mark_held_locks+0x130/0x130 [ 402.576819] ? zap_class+0x640/0x640 [ 402.580539] ? mark_held_locks+0xc7/0x130 [ 402.584686] ? do_raw_spin_unlock+0xa7/0x330 [ 402.589097] ? zap_class+0x640/0x640 [ 402.592836] ? print_usage_bug+0xc0/0xc0 [ 402.596906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.602457] ? check_preemption_disabled+0x48/0x280 [ 402.607483] ? __lock_is_held+0xb5/0x140 [ 402.611551] __alloc_pages_nodemask+0xad8/0xea0 [ 402.616225] ? zap_class+0x640/0x640 [ 402.619974] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 402.625001] ? find_held_lock+0x36/0x1c0 [ 402.629078] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.633747] ? lock_downgrade+0x900/0x900 [ 402.637923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.643485] cache_grow_begin+0xa5/0x8c0 [ 402.647546] ? do_raw_spin_unlock+0xa7/0x330 [ 402.651975] fallback_alloc+0x204/0x2e0 [ 402.655970] ____cache_alloc_node+0x1c7/0x1e0 [ 402.660483] kmem_cache_alloc_node+0xe3/0x730 [ 402.664978] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.669226] __alloc_skb+0x119/0x770 [ 402.672939] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.678224] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.682631] ? lock_downgrade+0x900/0x900 [ 402.686786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.692324] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.697777] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.703241] ? addrconf_rs_timer+0x690/0x690 [ 402.707664] ndisc_alloc_skb+0x144/0x340 [ 402.711731] ndisc_send_rs+0x331/0x6e0 [ 402.715642] addrconf_rs_timer+0x314/0x690 [ 402.719881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.724135] call_timer_fn+0x272/0x920 [ 402.728026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.732262] ? process_timeout+0x40/0x40 [ 402.736331] ? __run_timers+0x7da/0xc70 [ 402.740320] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.744828] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.749326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.753563] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.758167] ? trace_hardirqs_on+0xbd/0x310 [ 402.762524] ? kasan_check_read+0x11/0x20 [ 402.766671] ? __run_timers+0x7da/0xc70 [ 402.770650] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.775759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.780001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.784237] __run_timers+0x7e5/0xc70 [ 402.788053] ? timer_fixup_init+0x70/0x70 [ 402.792206] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.796701] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.801197] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.805785] ? trace_hardirqs_on+0xbd/0x310 [ 402.810100] ? kasan_check_read+0x11/0x20 [ 402.814246] ? finish_task_switch+0x1f4/0x910 [ 402.818742] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.823843] ? compat_start_thread+0x80/0x80 [ 402.828277] ? pvclock_read_flags+0x160/0x160 [ 402.832769] ? __switch_to_asm+0x34/0x70 [ 402.836833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.842424] ? check_preemption_disabled+0x48/0x280 [ 402.847482] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 402.853021] ? rcu_pm_notify+0xc0/0xc0 [ 402.856922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.862463] ? check_preemption_disabled+0x48/0x280 [ 402.867514] run_timer_softirq+0x52/0xb0 [ 402.871590] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.876606] __do_softirq+0x308/0xb7e [ 402.880414] ? retint_kernel+0x2d/0x2d [ 402.884305] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.889413] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.894863] ? retint_kernel+0x2d/0x2d [ 402.898757] ? schedule+0x108/0x460 [ 402.902419] ? trace_hardirqs_off+0xb8/0x310 [ 402.906830] ? smpboot_thread_fn+0x68b/0xa00 [ 402.911244] ? trace_hardirqs_on+0x310/0x310 [ 402.915655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.921192] ? check_preemption_disabled+0x48/0x280 [ 402.926224] ? takeover_tasklets+0xa90/0xa90 [ 402.930637] run_ksoftirqd+0x5e/0x100 [ 402.934440] smpboot_thread_fn+0x68b/0xa00 [ 402.938691] ? sort_range+0x30/0x30 [ 402.942335] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.947440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.952993] ? __kthread_parkme+0xfb/0x1a0 [ 402.957248] ? sort_range+0x30/0x30 [ 402.960888] kthread+0x35a/0x440 [ 402.964262] ? kthread_stop+0x900/0x900 [ 402.968240] ret_from_fork+0x3a/0x50 [ 402.971974] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 402.971980] warn_alloc_show_mem: 1 callbacks suppressed [ 402.971987] Mem-Info: [ 402.979342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.984711] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 402.984711] active_file:133 inactive_file:117 isolated_file:0 [ 402.984711] unevictable:0 dirty:3 writeback:0 unstable:0 [ 402.984711] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 402.984711] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 402.984711] free:13727 free_pcp:164 free_cma:0 [ 402.987080] Call Trace: [ 402.996442] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 402.996477] 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 [ 403.029690] [ 403.032261] lowmem_reserve[]: 0 2818 6321 6321 [ 403.060444] dump_stack+0x244/0x39d [ 403.086532] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 403.088676] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.093234] lowmem_reserve[]: 0 0 3503 3503 [ 403.096869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.124428] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 403.129619] warn_alloc.cold.116+0xb7/0x1bd [ 403.133929] lowmem_reserve[]: 0 0 0 0 [ 403.139485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.168693] 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 [ 403.173037] ? lock_downgrade+0x900/0x900 [ 403.176830] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 403.181685] ? trace_hardirqs_off+0xb8/0x310 [ 403.195197] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 403.199347] ? trace_hardirqs_off+0xb8/0x310 [ 403.214673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.219074] __alloc_pages_slowpath+0x2651/0x2de0 [ 403.232574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.236987] ? warn_alloc+0x120/0x120 [ 403.245779] 2220 total pagecache pages [ 403.250618] ? print_usage_bug+0xc0/0xc0 [ 403.259171] 0 pages in swap cache [ 403.262956] ? warn_alloc+0x120/0x120 [ 403.266824] Swap cache stats: add 0, delete 0, find 0/0 [ 403.270876] ? warn_alloc+0x120/0x120 [ 403.274306] Free swap = 0kB [ 403.278098] ? print_usage_bug+0xc0/0xc0 [ 403.283440] Total swap = 0kB [ 403.287231] ? kvm_clock_read+0x18/0x30 [ 403.290227] 1965979 pages RAM [ 403.294280] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.297277] 0 pages HighMem/MovableOnly [ 403.301248] ? print_usage_bug+0xc0/0xc0 [ 403.304330] 342854 pages reserved [ 403.309337] ? __lock_acquire+0x62f/0x4c20 [ 403.313286] 0 pages cma reserved [ 403.317342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.320842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.325002] ? should_fail+0x22d/0xd01 [ 403.328697] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.333864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.333884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.340594] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 403.344489] ? __lock_acquire+0x62f/0x4c20 [ 403.344509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.379246] ? __lock_acquire+0x62f/0x4c20 [ 403.383484] ? should_fail+0x22d/0xd01 [ 403.387373] ? rcu_irq_exit+0x1a2/0x390 [ 403.391374] ? mark_held_locks+0x130/0x130 [ 403.395625] ? mark_held_locks+0x130/0x130 [ 403.399867] ? mark_held_locks+0xc7/0x130 [ 403.404020] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.409036] ? zap_class+0x640/0x640 [ 403.412749] ? print_usage_bug+0xc0/0xc0 [ 403.416817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.422361] ? check_preemption_disabled+0x48/0x280 [ 403.427402] ? __lock_is_held+0xb5/0x140 [ 403.431481] __alloc_pages_nodemask+0xad8/0xea0 [ 403.436153] ? zap_class+0x640/0x640 [ 403.439875] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 403.444918] ? find_held_lock+0x36/0x1c0 [ 403.448993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.453676] ? lock_downgrade+0x900/0x900 [ 403.457850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.463404] cache_grow_begin+0xa5/0x8c0 [ 403.467489] ? do_raw_spin_unlock+0xa7/0x330 [ 403.471915] fallback_alloc+0x204/0x2e0 [ 403.475902] ____cache_alloc_node+0x1c7/0x1e0 [ 403.480434] kmem_cache_alloc_node+0xe3/0x730 [ 403.484948] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.489196] __alloc_skb+0x119/0x770 [ 403.492907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.498190] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.502600] ? lock_downgrade+0x900/0x900 [ 403.506755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.512298] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.517756] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.523209] ? addrconf_rs_timer+0x690/0x690 [ 403.527630] ndisc_alloc_skb+0x144/0x340 [ 403.531695] ndisc_send_rs+0x331/0x6e0 [ 403.535591] addrconf_rs_timer+0x314/0x690 [ 403.539839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.544097] call_timer_fn+0x272/0x920 [ 403.547987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.552221] ? process_timeout+0x40/0x40 [ 403.556289] ? __run_timers+0x7da/0xc70 [ 403.560268] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.564767] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.569264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.573504] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.578121] ? trace_hardirqs_on+0xbd/0x310 [ 403.582443] ? kasan_check_read+0x11/0x20 [ 403.586594] ? __run_timers+0x7da/0xc70 [ 403.590571] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.595690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.599952] __run_timers+0x7e5/0xc70 [ 403.603779] ? timer_fixup_init+0x70/0x70 [ 403.607949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.612979] ? zap_class+0x640/0x640 [ 403.616698] ? enqueue_hrtimer+0x1a5/0x560 [ 403.620935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.626132] ? find_held_lock+0x36/0x1c0 [ 403.630202] ? zap_class+0x640/0x640 [ 403.633923] ? pvclock_read_flags+0x160/0x160 [ 403.638431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.643973] ? check_preemption_disabled+0x48/0x280 [ 403.649016] ? __lock_is_held+0xb5/0x140 [ 403.653080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.658617] ? check_preemption_disabled+0x48/0x280 [ 403.663639] run_timer_softirq+0x52/0xb0 [ 403.667705] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.672725] __do_softirq+0x308/0xb7e [ 403.676534] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.681030] ? lock_downgrade+0x900/0x900 [ 403.685184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.690293] ? pvclock_read_flags+0x160/0x160 [ 403.694794] ? lapic_next_event+0x5a/0x90 [ 403.698958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.704504] ? kvm_clock_read+0x18/0x30 [ 403.708491] ? kvm_sched_clock_read+0x9/0x20 [ 403.712902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.718447] ? check_preemption_disabled+0x48/0x280 [ 403.723475] irq_exit+0x17f/0x1c0 [ 403.726929] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.731771] ? smp_reschedule_interrupt+0x109/0x650 [ 403.736793] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.742680] ? interrupt_entry+0xb5/0xc0 [ 403.746745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.751760] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.756778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.761623] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.766644] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.771662] ? task_prio+0x50/0x50 [ 403.775207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.780747] ? check_preemption_disabled+0x48/0x280 [ 403.785769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.790620] apic_timer_interrupt+0xf/0x20 [ 403.794847] [ 403.797087] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.802052] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 403.820978] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 403.828688] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.835954] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 403.843243] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 403.850523] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.857792] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 403.865127] skb_clone+0x1bb/0x500 [ 403.868670] ? skb_split+0x11e0/0x11e0 [ 403.872565] ? preempt_notifier_register+0x200/0x200 [ 403.877665] ? __switch_to_asm+0x34/0x70 [ 403.881723] ? __switch_to_asm+0x34/0x70 [ 403.885781] ? __switch_to_asm+0x40/0x70 [ 403.889840] ? __switch_to_asm+0x34/0x70 [ 403.893897] ? __switch_to_asm+0x40/0x70 [ 403.897967] ? __switch_to_asm+0x40/0x70 [ 403.902021] ? __switch_to_asm+0x34/0x70 [ 403.906085] ? __switch_to_asm+0x34/0x70 [ 403.910142] ? __switch_to_asm+0x40/0x70 [ 403.914197] ? __switch_to_asm+0x34/0x70 [ 403.918304] bpf_clone_redirect+0xb9/0x490 [ 403.922552] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 403.927576] ? __sched_text_start+0x8/0x8 [ 403.931725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 403.936510] ? find_held_lock+0x36/0x1c0 [ 403.940582] ? lock_acquire+0x1ed/0x520 [ 403.944563] ? bpf_test_run+0x3ee/0x7a0 [ 403.948540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.954082] ? check_preemption_disabled+0x48/0x280 [ 403.959104] ? kasan_check_read+0x11/0x20 [ 403.963257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.968538] ? rcu_softirq_qs+0x20/0x20 [ 403.972516] ? preempt_schedule+0x4d/0x60 [ 403.976665] ? ___preempt_schedule+0x16/0x18 [ 403.981107] ? bpf_test_run+0x271/0x7a0 [ 403.985094] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.989507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.995044] ? bpf_test_init.isra.10+0x70/0x100 [ 403.999719] ? bpf_prog_test_run_skb+0x762/0xd60 [ 404.004486] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 404.009337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.014871] ? fput+0x130/0x1a0 [ 404.018159] ? __bpf_prog_get+0x9b/0x290 [ 404.022223] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 404.027070] ? bpf_prog_test_run+0x130/0x1a0 [ 404.031485] ? __x64_sys_bpf+0x3d8/0x520 [ 404.035546] ? bpf_prog_get+0x20/0x20 [ 404.039365] ? do_syscall_64+0x1b9/0x820 [ 404.043465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.048829] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.053763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.058608] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.063628] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.068650] ? prepare_exit_to_usermode+0x291/0x3b0 [ 404.073672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.078540] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.083957] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 404.084029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.090887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.090892] Call Trace: [ 404.090916] dump_stack+0x244/0x39d [ 404.090937] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.097480] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.106768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.109341] syz-executor2 cpuset=syz2 mems_allowed=0 [ 404.112964] warn_alloc.cold.116+0xb7/0x1bd [ 404.143520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.148368] ? lock_downgrade+0x900/0x900 [ 404.152531] ? trace_hardirqs_off+0xb8/0x310 [ 404.156956] ? trace_hardirqs_off+0xb8/0x310 [ 404.161383] __alloc_pages_slowpath+0x2651/0x2de0 [ 404.166265] ? warn_alloc+0x120/0x120 [ 404.170103] ? warn_alloc+0x120/0x120 [ 404.173941] ? __bfs+0xb0/0x780 [ 404.177222] ? warn_alloc+0x120/0x120 [ 404.181023] ? print_usage_bug+0xc0/0xc0 [ 404.185100] ? lockdep_on+0x50/0x50 [ 404.188743] ? print_bfs_bug+0x80/0x80 [ 404.193114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.198651] ? should_fail+0x22d/0xd01 [ 404.202546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.207650] ? __lock_acquire+0x62f/0x4c20 [ 404.211892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.217002] ? __lock_acquire+0x2aff/0x4c20 [ 404.221326] ? should_fail+0x22d/0xd01 [ 404.225226] ? mark_held_locks+0x130/0x130 [ 404.229468] ? mark_held_locks+0x130/0x130 [ 404.233710] ? zap_class+0x640/0x640 [ 404.237429] ? zap_class+0x640/0x640 [ 404.241150] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 404.247053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.252623] ? check_preemption_disabled+0x48/0x280 [ 404.257653] ? __lock_is_held+0xb5/0x140 [ 404.261752] __alloc_pages_nodemask+0xad8/0xea0 [ 404.266424] ? zap_class+0x640/0x640 [ 404.270146] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 404.275181] ? find_held_lock+0x36/0x1c0 [ 404.279254] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.283946] ? lock_downgrade+0x900/0x900 [ 404.288134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.293676] cache_grow_begin+0xa5/0x8c0 [ 404.297740] ? do_raw_spin_unlock+0xa7/0x330 [ 404.302161] fallback_alloc+0x204/0x2e0 [ 404.306144] ____cache_alloc_node+0x1c7/0x1e0 [ 404.310647] kmem_cache_alloc_node+0xe3/0x730 [ 404.315145] ? mark_held_locks+0xc7/0x130 [ 404.319308] __alloc_skb+0x119/0x770 [ 404.323034] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.327445] ? do_raw_spin_trylock+0x270/0x270 [ 404.332029] ? kmem_cache_alloc_trace+0x353/0x750 [ 404.336890] ? queue_work_on+0x12c/0x1e0 [ 404.340963] ? switchdev_port_obj_del+0xdc/0x440 [ 404.345724] ? switchdev_trans_item_enqueue+0x260/0x260 [ 404.351096] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.356121] __br_mdb_notify+0x4ff/0x15d0 [ 404.360275] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.365402] ? __br_mdb_add+0x7f0/0x7f0 [ 404.369399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.374512] ? debug_object_assert_init+0x368/0x4b0 [ 404.379537] ? debug_object_init_on_stack+0x20/0x20 [ 404.384561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.390107] br_mdb_notify+0x310/0x410 [ 404.393998] ? br_mdb_dump+0x27b0/0x27b0 [ 404.398076] br_multicast_del_pg+0x3df/0x790 [ 404.402494] ? br_mdb_ip_get+0x940/0x940 [ 404.406559] ? rwlock_bug.part.2+0x90/0x90 [ 404.410840] ? __lock_is_held+0xb5/0x140 [ 404.414933] br_multicast_port_group_expired+0x189/0x1e0 [ 404.420397] call_timer_fn+0x272/0x920 [ 404.424287] ? br_multicast_del_pg+0x790/0x790 [ 404.428869] ? process_timeout+0x40/0x40 [ 404.432941] ? __run_timers+0x7da/0xc70 [ 404.436924] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.441434] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.445960] ? br_multicast_del_pg+0x790/0x790 [ 404.450555] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.455139] ? trace_hardirqs_on+0xbd/0x310 [ 404.459461] ? kasan_check_read+0x11/0x20 [ 404.463624] ? __run_timers+0x7da/0xc70 [ 404.467600] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.472711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.476959] ? br_multicast_del_pg+0x790/0x790 [ 404.481546] __run_timers+0x7e5/0xc70 [ 404.485357] ? timer_fixup_init+0x70/0x70 [ 404.489515] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.494008] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.498506] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.503092] ? trace_hardirqs_on+0xbd/0x310 [ 404.507420] ? kasan_check_read+0x11/0x20 [ 404.511578] ? finish_task_switch+0x1f4/0x910 [ 404.516075] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.521177] ? compat_start_thread+0x80/0x80 [ 404.525607] ? pvclock_read_flags+0x160/0x160 [ 404.530104] ? __switch_to_asm+0x34/0x70 [ 404.534168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.539710] ? check_preemption_disabled+0x48/0x280 [ 404.544740] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 404.550280] ? rcu_pm_notify+0xc0/0xc0 [ 404.554171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.559709] ? check_preemption_disabled+0x48/0x280 [ 404.564733] run_timer_softirq+0x52/0xb0 [ 404.568796] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.573815] __do_softirq+0x308/0xb7e [ 404.577620] ? retint_kernel+0x2d/0x2d [ 404.581512] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.586615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.592076] ? retint_kernel+0x2d/0x2d [ 404.595960] ? schedule+0x108/0x460 [ 404.599599] ? trace_hardirqs_off+0xb8/0x310 [ 404.604007] ? smpboot_thread_fn+0x68b/0xa00 [ 404.608423] ? trace_hardirqs_on+0x310/0x310 [ 404.612849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.618397] ? check_preemption_disabled+0x48/0x280 [ 404.623422] ? takeover_tasklets+0xa90/0xa90 [ 404.627834] run_ksoftirqd+0x5e/0x100 [ 404.631633] smpboot_thread_fn+0x68b/0xa00 [ 404.635877] ? sort_range+0x30/0x30 [ 404.639509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.644616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.650177] ? __kthread_parkme+0xfb/0x1a0 [ 404.654422] ? sort_range+0x30/0x30 [ 404.658054] kthread+0x35a/0x440 [ 404.661478] ? kthread_stop+0x900/0x900 [ 404.665481] ret_from_fork+0x3a/0x50 [ 404.669246] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 404.669263] warn_alloc_show_mem: 1 callbacks suppressed [ 404.669267] Mem-Info: [ 404.676616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.681987] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 404.681987] active_file:133 inactive_file:117 isolated_file:0 [ 404.681987] unevictable:0 dirty:3 writeback:0 unstable:0 [ 404.681987] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 404.681987] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 404.681987] free:13727 free_pcp:164 free_cma:0 [ 404.684362] Call Trace: [ 404.693754] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 404.726943] [ 404.729512] 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 [ 404.757268] dump_stack+0x244/0x39d [ 404.759399] lowmem_reserve[]: 0 2818 6321 6321 [ 404.785511] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.789111] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 404.793687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.798864] lowmem_reserve[]: 0 0 3503 3503 [ 404.826447] warn_alloc.cold.116+0xb7/0x1bd [ 404.831955] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 404.836274] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.840570] lowmem_reserve[]: 0 0 0 0 [ 404.869798] ? lock_downgrade+0x900/0x900 [ 404.874614] 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 [ 404.878424] ? trace_hardirqs_off+0xb8/0x310 [ 404.882538] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 404.896060] ? trace_hardirqs_off+0xb8/0x310 [ 404.900446] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 404.915791] __alloc_pages_slowpath+0x2651/0x2de0 [ 404.920178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 404.933710] ? warn_alloc+0x120/0x120 [ 404.938513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 404.947335] ? print_usage_bug+0xc0/0xc0 [ 404.951113] 2220 total pagecache pages [ 404.959680] ? warn_alloc+0x120/0x120 [ 404.963742] 0 pages in swap cache [ 404.967613] ? warn_alloc+0x120/0x120 [ 404.971387] Swap cache stats: add 0, delete 0, find 0/0 [ 404.971405] Free swap = 0kB [ 404.974861] ? print_usage_bug+0xc0/0xc0 [ 404.978636] Total swap = 0kB [ 404.983994] ? print_usage_bug+0xc0/0xc0 [ 404.986987] 1965979 pages RAM [ 404.991045] ? __lock_acquire+0x62f/0x4c20 [ 404.994039] 0 pages HighMem/MovableOnly [ 404.998095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.001190] 342854 pages reserved [ 405.005437] ? should_fail+0x22d/0xd01 [ 405.009396] 0 pages cma reserved [ 405.014935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.019191] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.022244] ? __lock_acquire+0x62f/0x4c20 [ 405.025588] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 405.030686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.054936] ? __lock_acquire+0x62f/0x4c20 [ 405.059176] ? should_fail+0x22d/0xd01 [ 405.063603] ? find_held_lock+0x36/0x1c0 [ 405.067677] ? mark_held_locks+0x130/0x130 [ 405.071917] ? mark_held_locks+0x130/0x130 [ 405.076151] ? zap_class+0x640/0x640 [ 405.079881] ? zap_class+0x640/0x640 [ 405.083625] ? print_usage_bug+0xc0/0xc0 [ 405.087687] ? do_raw_spin_unlock+0xa7/0x330 [ 405.092099] ? zap_class+0x640/0x640 [ 405.095817] ? print_usage_bug+0xc0/0xc0 [ 405.099876] ? wq_watchdog_touch+0x9c/0xfe [ 405.104114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.109653] ? check_preemption_disabled+0x48/0x280 [ 405.114678] ? __lock_is_held+0xb5/0x140 [ 405.118747] __alloc_pages_nodemask+0xad8/0xea0 [ 405.123426] ? zap_class+0x640/0x640 [ 405.127144] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 405.132172] ? find_held_lock+0x36/0x1c0 [ 405.136246] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.140931] ? lock_downgrade+0x900/0x900 [ 405.145086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.150630] cache_grow_begin+0xa5/0x8c0 [ 405.154690] ? do_raw_spin_unlock+0xa7/0x330 [ 405.159107] fallback_alloc+0x204/0x2e0 [ 405.163100] ____cache_alloc_node+0x1c7/0x1e0 [ 405.167601] kmem_cache_alloc_node+0xe3/0x730 [ 405.172096] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.176346] __alloc_skb+0x119/0x770 [ 405.180079] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.185379] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.189802] ? lock_downgrade+0x900/0x900 [ 405.193957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.199497] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.204955] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.210421] ? addrconf_rs_timer+0x690/0x690 [ 405.214847] ndisc_alloc_skb+0x144/0x340 [ 405.218913] ndisc_send_rs+0x331/0x6e0 [ 405.222810] addrconf_rs_timer+0x314/0x690 [ 405.227052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.231296] call_timer_fn+0x272/0x920 [ 405.235188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.239434] ? process_timeout+0x40/0x40 [ 405.243505] ? __run_timers+0x7da/0xc70 [ 405.247497] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.251989] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.256482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.260717] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.265305] ? trace_hardirqs_on+0xbd/0x310 [ 405.269630] ? kasan_check_read+0x11/0x20 [ 405.273775] ? __run_timers+0x7da/0xc70 [ 405.277754] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.282897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.287130] __run_timers+0x7e5/0xc70 [ 405.290943] ? timer_fixup_init+0x70/0x70 [ 405.295096] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.300114] ? zap_class+0x640/0x640 [ 405.303875] ? enqueue_hrtimer+0x1a5/0x560 [ 405.308108] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.313322] ? find_held_lock+0x36/0x1c0 [ 405.317396] ? zap_class+0x640/0x640 [ 405.321121] ? pvclock_read_flags+0x160/0x160 [ 405.325620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.331164] ? check_preemption_disabled+0x48/0x280 [ 405.336212] ? __lock_is_held+0xb5/0x140 [ 405.340276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.345813] ? check_preemption_disabled+0x48/0x280 [ 405.350850] run_timer_softirq+0x52/0xb0 [ 405.354912] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.359962] __do_softirq+0x308/0xb7e [ 405.363767] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.368266] ? lock_downgrade+0x900/0x900 [ 405.372432] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.377547] ? pvclock_read_flags+0x160/0x160 [ 405.382048] ? lapic_next_event+0x5a/0x90 [ 405.386197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.391737] ? kvm_clock_read+0x18/0x30 [ 405.395710] ? kvm_sched_clock_read+0x9/0x20 [ 405.400119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.405662] ? check_preemption_disabled+0x48/0x280 [ 405.410691] irq_exit+0x17f/0x1c0 [ 405.414158] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.419002] ? smp_reschedule_interrupt+0x109/0x650 [ 405.424018] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.429904] ? interrupt_entry+0xb5/0xc0 [ 405.433968] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.438987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.444038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.448903] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.453917] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.458936] ? task_prio+0x50/0x50 [ 405.462477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.468016] ? check_preemption_disabled+0x48/0x280 [ 405.473041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.477894] apic_timer_interrupt+0xf/0x20 [ 405.482127] [ 405.484368] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 405.489305] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 405.508202] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 405.515911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.523222] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 405.530509] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 405.537776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 405.545073] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 405.552374] skb_clone+0x1bb/0x500 [ 405.555927] ? skb_split+0x11e0/0x11e0 [ 405.559831] ? preempt_notifier_register+0x200/0x200 [ 405.564931] ? __switch_to_asm+0x34/0x70 [ 405.569006] ? __switch_to_asm+0x34/0x70 [ 405.573063] ? __switch_to_asm+0x40/0x70 [ 405.577119] ? __switch_to_asm+0x34/0x70 [ 405.581178] ? __switch_to_asm+0x40/0x70 [ 405.585241] ? __switch_to_asm+0x40/0x70 [ 405.589303] ? __switch_to_asm+0x34/0x70 [ 405.593366] ? __switch_to_asm+0x34/0x70 [ 405.597438] ? __switch_to_asm+0x40/0x70 [ 405.601496] ? __switch_to_asm+0x34/0x70 [ 405.605560] bpf_clone_redirect+0xb9/0x490 [ 405.609806] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 405.614830] ? __sched_text_start+0x8/0x8 [ 405.618992] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.623777] ? find_held_lock+0x36/0x1c0 [ 405.627862] ? lock_acquire+0x1ed/0x520 [ 405.631851] ? bpf_test_run+0x3ee/0x7a0 [ 405.635848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.641410] ? check_preemption_disabled+0x48/0x280 [ 405.646448] ? kasan_check_read+0x11/0x20 [ 405.650596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.655873] ? rcu_softirq_qs+0x20/0x20 [ 405.659865] ? preempt_schedule+0x4d/0x60 [ 405.664028] ? ___preempt_schedule+0x16/0x18 [ 405.668464] ? bpf_test_run+0x271/0x7a0 [ 405.672455] ? netlink_diag_dump+0x2a0/0x2a0 [ 405.676872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.682444] ? bpf_test_init.isra.10+0x70/0x100 [ 405.687119] ? bpf_prog_test_run_skb+0x762/0xd60 [ 405.691888] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.696738] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.702278] ? fput+0x130/0x1a0 [ 405.705571] ? __bpf_prog_get+0x9b/0x290 [ 405.709640] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.714484] ? bpf_prog_test_run+0x130/0x1a0 [ 405.718896] ? __x64_sys_bpf+0x3d8/0x520 [ 405.722971] ? bpf_prog_get+0x20/0x20 [ 405.726804] ? do_syscall_64+0x1b9/0x820 [ 405.730863] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 405.736231] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.741165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.746014] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.751049] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 405.756084] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.761137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.765990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.771373] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 405.771457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.778308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.778317] Call Trace: [ 405.784893] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.794162] dump_stack+0x244/0x39d [ 405.796724] syz-executor2 cpuset=syz2 mems_allowed=0 [ 405.807204] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.821085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.826658] warn_alloc.cold.116+0xb7/0x1bd [ 405.830983] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.835832] ? lock_downgrade+0x900/0x900 [ 405.839988] ? trace_hardirqs_off+0xb8/0x310 [ 405.844414] ? trace_hardirqs_off+0xb8/0x310 [ 405.848832] __alloc_pages_slowpath+0x2651/0x2de0 [ 405.853704] ? warn_alloc+0x120/0x120 [ 405.857526] ? warn_alloc+0x120/0x120 [ 405.861331] ? warn_alloc+0x120/0x120 [ 405.865139] ? print_usage_bug+0xc0/0xc0 [ 405.869210] ? print_usage_bug+0xc0/0xc0 [ 405.873278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.878832] ? should_fail+0x22d/0xd01 [ 405.882720] ? lockdep_on+0x50/0x50 [ 405.886351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.891470] ? __lock_acquire+0x62f/0x4c20 [ 405.895715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.900819] ? __lock_acquire+0x62f/0x4c20 [ 405.905049] ? should_fail+0x22d/0xd01 [ 405.908940] ? kasan_check_read+0x11/0x20 [ 405.913102] ? mark_held_locks+0x130/0x130 [ 405.917373] ? mark_held_locks+0x130/0x130 [ 405.921622] ? zap_class+0x640/0x640 [ 405.925336] ? ret_from_fork+0x3a/0x50 [ 405.929228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.934769] ? check_preemption_disabled+0x48/0x280 [ 405.939797] ? __lock_is_held+0xb5/0x140 [ 405.943867] __alloc_pages_nodemask+0xad8/0xea0 [ 405.948539] ? zap_class+0x640/0x640 [ 405.952259] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 405.957289] ? find_held_lock+0x36/0x1c0 [ 405.961358] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.966034] ? lock_downgrade+0x900/0x900 [ 405.970190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.975732] cache_grow_begin+0xa5/0x8c0 [ 405.979808] ? do_raw_spin_unlock+0xa7/0x330 [ 405.984227] fallback_alloc+0x204/0x2e0 [ 405.988223] ____cache_alloc_node+0x1c7/0x1e0 [ 405.992739] kmem_cache_alloc_node+0xe3/0x730 [ 405.997238] ? mark_held_locks+0xc7/0x130 [ 406.001408] __alloc_skb+0x119/0x770 [ 406.005129] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.009538] ? do_raw_spin_trylock+0x270/0x270 [ 406.014121] ? kmem_cache_alloc_trace+0x353/0x750 [ 406.018979] ? queue_work_on+0x12c/0x1e0 [ 406.023046] ? switchdev_port_obj_del+0xdc/0x440 [ 406.027805] ? switchdev_trans_item_enqueue+0x260/0x260 [ 406.033190] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.038228] __br_mdb_notify+0x4ff/0x15d0 [ 406.042396] ? __br_mdb_add+0x7f0/0x7f0 [ 406.046384] ? zap_class+0x640/0x640 [ 406.050119] ? br_multicast_group_expired+0x96/0x610 [ 406.055230] br_mdb_notify+0x310/0x410 [ 406.059118] ? br_mdb_dump+0x27b0/0x27b0 [ 406.063189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.068740] br_multicast_group_expired+0x1bc/0x610 [ 406.073764] ? br_mdb_free+0x80/0x80 [ 406.077491] call_timer_fn+0x272/0x920 [ 406.081380] ? br_mdb_free+0x80/0x80 [ 406.085101] ? process_timeout+0x40/0x40 [ 406.089183] ? __run_timers+0x7da/0xc70 [ 406.093156] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.097649] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.102142] ? br_mdb_free+0x80/0x80 [ 406.105859] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.110462] ? trace_hardirqs_on+0xbd/0x310 [ 406.114808] ? kasan_check_read+0x11/0x20 [ 406.118957] ? __run_timers+0x7da/0xc70 [ 406.122937] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.128050] ? br_multicast_del_pg+0x790/0x790 [ 406.132644] ? br_mdb_free+0x80/0x80 [ 406.136354] __run_timers+0x7e5/0xc70 [ 406.140165] ? timer_fixup_init+0x70/0x70 [ 406.144312] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.148808] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.153304] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.157886] ? trace_hardirqs_on+0xbd/0x310 [ 406.162209] ? kasan_check_read+0x11/0x20 [ 406.166361] ? finish_task_switch+0x1f4/0x910 [ 406.170904] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.176017] ? compat_start_thread+0x80/0x80 [ 406.180450] ? pvclock_read_flags+0x160/0x160 [ 406.184945] ? __switch_to_asm+0x34/0x70 [ 406.189024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.195064] ? check_preemption_disabled+0x48/0x280 [ 406.200093] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 406.205631] ? rcu_pm_notify+0xc0/0xc0 [ 406.209522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.215062] ? check_preemption_disabled+0x48/0x280 [ 406.220085] run_timer_softirq+0x52/0xb0 [ 406.224150] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.229169] __do_softirq+0x308/0xb7e [ 406.232974] ? retint_kernel+0x2d/0x2d [ 406.236865] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.241969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.247437] ? retint_kernel+0x2d/0x2d [ 406.251332] ? schedule+0x108/0x460 [ 406.254970] ? trace_hardirqs_off+0xb8/0x310 [ 406.259377] ? smpboot_thread_fn+0x68b/0xa00 [ 406.263794] ? trace_hardirqs_on+0x310/0x310 [ 406.268220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.273759] ? check_preemption_disabled+0x48/0x280 [ 406.278778] ? takeover_tasklets+0xa90/0xa90 [ 406.283188] run_ksoftirqd+0x5e/0x100 [ 406.287006] smpboot_thread_fn+0x68b/0xa00 [ 406.291247] ? sort_range+0x30/0x30 [ 406.294887] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.299997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.305537] ? __kthread_parkme+0xfb/0x1a0 [ 406.309790] ? sort_range+0x30/0x30 [ 406.313426] kthread+0x35a/0x440 [ 406.316798] ? kthread_stop+0x900/0x900 [ 406.320776] ret_from_fork+0x3a/0x50 [ 406.324523] warn_alloc_show_mem: 1 callbacks suppressed [ 406.324536] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 406.324537] Mem-Info: [ 406.324570] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 406.324570] active_file:133 inactive_file:117 isolated_file:0 [ 406.324570] unevictable:0 dirty:3 writeback:0 unstable:0 [ 406.324570] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 406.324570] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 406.324570] free:13727 free_pcp:164 free_cma:0 [ 406.329905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.337290] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 406.339692] Call Trace: [ 406.372919] 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 [ 406.382260] [ 406.410002] lowmem_reserve[]: 0 2818 6321 6321 [ 406.412583] dump_stack+0x244/0x39d [ 406.438669] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 406.440813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.445369] lowmem_reserve[]: 0 0 3503 3503 [ 406.448998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.476554] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 406.481754] warn_alloc.cold.116+0xb7/0x1bd [ 406.486043] lowmem_reserve[]: 0 0 0 0 [ 406.491574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.520795] 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 [ 406.525125] ? lock_downgrade+0x900/0x900 [ 406.528918] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 406.533755] ? trace_hardirqs_off+0xb8/0x310 [ 406.547265] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 406.551420] ? trace_hardirqs_off+0xb8/0x310 [ 406.566740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 406.571137] __alloc_pages_slowpath+0x2651/0x2de0 [ 406.584641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 406.589056] ? warn_alloc+0x120/0x120 [ 406.597844] 2220 total pagecache pages [ 406.602678] ? print_usage_bug+0xc0/0xc0 [ 406.611250] 0 pages in swap cache [ 406.615065] ? warn_alloc+0x120/0x120 [ 406.618960] Swap cache stats: add 0, delete 0, find 0/0 [ 406.623010] ? warn_alloc+0x120/0x120 [ 406.626436] Free swap = 0kB [ 406.630231] ? print_usage_bug+0xc0/0xc0 [ 406.635568] Total swap = 0kB [ 406.639362] ? kvm_clock_read+0x18/0x30 [ 406.642354] 1965979 pages RAM [ 406.646428] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.649474] 0 pages HighMem/MovableOnly [ 406.649497] 342854 pages reserved [ 406.653478] ? print_usage_bug+0xc0/0xc0 [ 406.656560] 0 pages cma reserved [ 406.661568] ? __lock_acquire+0x62f/0x4c20 [ 406.665690] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.668962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.672994] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 406.676366] ? should_fail+0x22d/0xd01 [ 406.704930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.710225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.715331] ? __lock_acquire+0x62f/0x4c20 [ 406.719571] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.724675] ? __lock_acquire+0x62f/0x4c20 [ 406.728908] ? should_fail+0x22d/0xd01 [ 406.732807] ? rcu_irq_exit+0x1a2/0x390 [ 406.736819] ? mark_held_locks+0x130/0x130 [ 406.741064] ? mark_held_locks+0x130/0x130 [ 406.745308] ? mark_held_locks+0xc7/0x130 [ 406.749458] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.754474] ? zap_class+0x640/0x640 [ 406.758189] ? print_usage_bug+0xc0/0xc0 [ 406.762258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.767799] ? check_preemption_disabled+0x48/0x280 [ 406.772829] ? __lock_is_held+0xb5/0x140 [ 406.776900] __alloc_pages_nodemask+0xad8/0xea0 [ 406.781571] ? zap_class+0x640/0x640 [ 406.785292] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 406.790322] ? find_held_lock+0x36/0x1c0 [ 406.794402] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.799081] ? lock_downgrade+0x900/0x900 [ 406.803236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.808782] cache_grow_begin+0xa5/0x8c0 [ 406.812844] ? do_raw_spin_unlock+0xa7/0x330 [ 406.817261] fallback_alloc+0x204/0x2e0 [ 406.821244] ____cache_alloc_node+0x1c7/0x1e0 [ 406.825745] kmem_cache_alloc_node+0xe3/0x730 [ 406.830244] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.834493] __alloc_skb+0x119/0x770 [ 406.838236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.843516] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.847927] ? lock_downgrade+0x900/0x900 [ 406.852098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.857637] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.863093] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.868542] ? addrconf_rs_timer+0x690/0x690 [ 406.872961] ndisc_alloc_skb+0x144/0x340 [ 406.877026] ndisc_send_rs+0x331/0x6e0 [ 406.880921] addrconf_rs_timer+0x314/0x690 [ 406.885187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.889468] call_timer_fn+0x272/0x920 [ 406.893356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.897597] ? process_timeout+0x40/0x40 [ 406.901667] ? __run_timers+0x7da/0xc70 [ 406.905647] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.910139] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.914640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.918874] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.923461] ? trace_hardirqs_on+0xbd/0x310 [ 406.927781] ? kasan_check_read+0x11/0x20 [ 406.931940] ? __run_timers+0x7da/0xc70 [ 406.935919] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.941024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.945264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.949499] __run_timers+0x7e5/0xc70 [ 406.953314] ? timer_fixup_init+0x70/0x70 [ 406.957489] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.962508] ? zap_class+0x640/0x640 [ 406.966245] ? enqueue_hrtimer+0x1a5/0x560 [ 406.970501] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.975700] ? find_held_lock+0x36/0x1c0 [ 406.979796] ? zap_class+0x640/0x640 [ 406.983515] ? pvclock_read_flags+0x160/0x160 [ 406.988016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.993554] ? check_preemption_disabled+0x48/0x280 [ 406.998581] ? __lock_is_held+0xb5/0x140 [ 407.002650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.008188] ? check_preemption_disabled+0x48/0x280 [ 407.013241] run_timer_softirq+0x52/0xb0 [ 407.017317] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.022333] __do_softirq+0x308/0xb7e [ 407.026160] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 407.030656] ? lock_downgrade+0x900/0x900 [ 407.034813] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.039923] ? pvclock_read_flags+0x160/0x160 [ 407.044432] ? lapic_next_event+0x5a/0x90 [ 407.048582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.054128] ? kvm_clock_read+0x18/0x30 [ 407.058103] ? kvm_sched_clock_read+0x9/0x20 [ 407.062984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.068542] ? check_preemption_disabled+0x48/0x280 [ 407.073569] irq_exit+0x17f/0x1c0 [ 407.077024] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.081864] ? smp_reschedule_interrupt+0x109/0x650 [ 407.086895] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.092779] ? interrupt_entry+0xb5/0xc0 [ 407.096883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.101898] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.106918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.111774] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.116787] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.121844] ? task_prio+0x50/0x50 [ 407.125418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.130962] ? check_preemption_disabled+0x48/0x280 [ 407.135984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.140832] apic_timer_interrupt+0xf/0x20 [ 407.145063] [ 407.147301] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.152235] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 407.171132] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 407.178838] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.186107] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 407.193371] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 407.200652] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.207919] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 407.215228] skb_clone+0x1bb/0x500 [ 407.218775] ? skb_split+0x11e0/0x11e0 [ 407.222670] ? preempt_notifier_register+0x200/0x200 [ 407.227773] ? __switch_to_asm+0x34/0x70 [ 407.231833] ? __switch_to_asm+0x34/0x70 [ 407.235896] ? __switch_to_asm+0x40/0x70 [ 407.239989] ? __switch_to_asm+0x34/0x70 [ 407.244049] ? __switch_to_asm+0x40/0x70 [ 407.248106] ? __switch_to_asm+0x40/0x70 [ 407.252163] ? __switch_to_asm+0x34/0x70 [ 407.256226] ? __switch_to_asm+0x34/0x70 [ 407.260282] ? __switch_to_asm+0x40/0x70 [ 407.264339] ? __switch_to_asm+0x34/0x70 [ 407.268410] bpf_clone_redirect+0xb9/0x490 [ 407.272664] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 407.277685] ? __sched_text_start+0x8/0x8 [ 407.281831] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.286613] ? find_held_lock+0x36/0x1c0 [ 407.290681] ? lock_acquire+0x1ed/0x520 [ 407.294662] ? bpf_test_run+0x3ee/0x7a0 [ 407.298636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.304194] ? check_preemption_disabled+0x48/0x280 [ 407.309214] ? kasan_check_read+0x11/0x20 [ 407.313360] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.318642] ? rcu_softirq_qs+0x20/0x20 [ 407.322619] ? preempt_schedule+0x4d/0x60 [ 407.326771] ? ___preempt_schedule+0x16/0x18 [ 407.331190] ? bpf_test_run+0x271/0x7a0 [ 407.335176] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.339588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.345128] ? bpf_test_init.isra.10+0x70/0x100 [ 407.349816] ? bpf_prog_test_run_skb+0x762/0xd60 [ 407.354587] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.359443] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.364981] ? fput+0x130/0x1a0 [ 407.368273] ? __bpf_prog_get+0x9b/0x290 [ 407.372341] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.377187] ? bpf_prog_test_run+0x130/0x1a0 [ 407.381597] ? __x64_sys_bpf+0x3d8/0x520 [ 407.385659] ? bpf_prog_get+0x20/0x20 [ 407.389477] ? do_syscall_64+0x1b9/0x820 [ 407.393536] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.398904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.403836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.408687] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.413704] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.418728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.423750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.428602] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.433999] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 407.434068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.440930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.440935] Call Trace: [ 407.440954] dump_stack+0x244/0x39d [ 407.440973] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.440991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.447518] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.456814] warn_alloc.cold.116+0xb7/0x1bd [ 407.459374] syz-executor2 cpuset=syz2 mems_allowed=0 [ 407.463000] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.498381] ? lock_downgrade+0x900/0x900 [ 407.502549] ? trace_hardirqs_off+0xb8/0x310 [ 407.506965] ? trace_hardirqs_off+0xb8/0x310 [ 407.511381] __alloc_pages_slowpath+0x2651/0x2de0 [ 407.516278] ? warn_alloc+0x120/0x120 [ 407.520128] ? warn_alloc+0x120/0x120 [ 407.523939] ? warn_alloc+0x120/0x120 [ 407.527742] ? print_usage_bug+0xc0/0xc0 [ 407.531810] ? print_usage_bug+0xc0/0xc0 [ 407.535880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.541430] ? should_fail+0x22d/0xd01 [ 407.545318] ? lockdep_on+0x50/0x50 [ 407.548961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.554060] ? __lock_acquire+0x62f/0x4c20 [ 407.558300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.563411] ? __lock_acquire+0x62f/0x4c20 [ 407.567648] ? should_fail+0x22d/0xd01 [ 407.571539] ? kasan_check_read+0x11/0x20 [ 407.575698] ? mark_held_locks+0x130/0x130 [ 407.579940] ? mark_held_locks+0x130/0x130 [ 407.584199] ? zap_class+0x640/0x640 [ 407.587947] ? ret_from_fork+0x3a/0x50 [ 407.591838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.597375] ? check_preemption_disabled+0x48/0x280 [ 407.602416] ? __lock_is_held+0xb5/0x140 [ 407.606488] __alloc_pages_nodemask+0xad8/0xea0 [ 407.611160] ? zap_class+0x640/0x640 [ 407.614917] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 407.619950] ? find_held_lock+0x36/0x1c0 [ 407.624025] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.628711] ? lock_downgrade+0x900/0x900 [ 407.632867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.638448] cache_grow_begin+0xa5/0x8c0 [ 407.642543] ? do_raw_spin_unlock+0xa7/0x330 [ 407.646964] fallback_alloc+0x204/0x2e0 [ 407.650948] ____cache_alloc_node+0x1c7/0x1e0 [ 407.655456] kmem_cache_alloc_node+0xe3/0x730 [ 407.659951] ? mark_held_locks+0xc7/0x130 [ 407.664109] __alloc_skb+0x119/0x770 [ 407.667832] ? netdev_alloc_frag+0x1f0/0x1f0 [ 407.672237] ? do_raw_spin_trylock+0x270/0x270 [ 407.676819] ? kmem_cache_alloc_trace+0x353/0x750 [ 407.681668] ? queue_work_on+0x12c/0x1e0 [ 407.685740] ? switchdev_port_obj_del+0xdc/0x440 [ 407.690504] ? switchdev_trans_item_enqueue+0x260/0x260 [ 407.695872] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.700896] __br_mdb_notify+0x4ff/0x15d0 [ 407.705091] ? __br_mdb_add+0x7f0/0x7f0 [ 407.709075] ? zap_class+0x640/0x640 [ 407.712804] ? br_multicast_group_expired+0x96/0x610 [ 407.717925] ? lock_downgrade+0x900/0x900 [ 407.722092] br_mdb_notify+0x310/0x410 [ 407.725981] ? br_mdb_dump+0x27b0/0x27b0 [ 407.730049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.735600] br_multicast_group_expired+0x1bc/0x610 [ 407.740620] ? br_mdb_free+0x80/0x80 [ 407.744347] call_timer_fn+0x272/0x920 [ 407.748238] ? br_mdb_free+0x80/0x80 [ 407.751954] ? process_timeout+0x40/0x40 [ 407.756022] ? __run_timers+0x7da/0xc70 [ 407.760002] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.764496] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.768989] ? br_mdb_free+0x80/0x80 [ 407.772704] ? lockdep_hardirqs_on+0x296/0x5b0 [ 407.777295] ? trace_hardirqs_on+0xbd/0x310 [ 407.781617] ? kasan_check_read+0x11/0x20 [ 407.785764] ? __run_timers+0x7da/0xc70 [ 407.789745] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.794856] ? br_mdb_free+0x80/0x80 [ 407.798581] ? br_mdb_free+0x80/0x80 [ 407.802294] __run_timers+0x7e5/0xc70 [ 407.806110] ? timer_fixup_init+0x70/0x70 [ 407.810261] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.814758] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.819258] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.823841] ? trace_hardirqs_on+0xbd/0x310 [ 407.828181] ? kasan_check_read+0x11/0x20 [ 407.832332] ? finish_task_switch+0x1f4/0x910 [ 407.836834] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.841941] ? compat_start_thread+0x80/0x80 [ 407.846372] ? pvclock_read_flags+0x160/0x160 [ 407.850873] ? __switch_to_asm+0x34/0x70 [ 407.854941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.860482] ? check_preemption_disabled+0x48/0x280 [ 407.865510] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 407.871049] ? rcu_pm_notify+0xc0/0xc0 [ 407.874943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.880483] ? check_preemption_disabled+0x48/0x280 [ 407.885504] run_timer_softirq+0x52/0xb0 [ 407.889567] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.894592] __do_softirq+0x308/0xb7e [ 407.898409] ? retint_kernel+0x2d/0x2d [ 407.902304] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.907418] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.912870] ? retint_kernel+0x2d/0x2d [ 407.916758] ? schedule+0x108/0x460 [ 407.920433] ? trace_hardirqs_off+0xb8/0x310 [ 407.924843] ? smpboot_thread_fn+0x68b/0xa00 [ 407.929257] ? trace_hardirqs_on+0x310/0x310 [ 407.933668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.939220] ? check_preemption_disabled+0x48/0x280 [ 407.944241] ? takeover_tasklets+0xa90/0xa90 [ 407.948650] run_ksoftirqd+0x5e/0x100 [ 407.952450] smpboot_thread_fn+0x68b/0xa00 [ 407.956711] ? sort_range+0x30/0x30 [ 407.960342] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.965479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.971038] ? __kthread_parkme+0xfb/0x1a0 [ 407.975281] ? sort_range+0x30/0x30 [ 407.978907] kthread+0x35a/0x440 [ 407.982297] ? kthread_stop+0x900/0x900 [ 407.986276] ret_from_fork+0x3a/0x50 [ 407.990006] warn_alloc_show_mem: 1 callbacks suppressed [ 407.990018] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 407.990020] Mem-Info: [ 407.990053] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 407.990053] active_file:133 inactive_file:117 isolated_file:0 [ 407.990053] unevictable:0 dirty:3 writeback:0 unstable:0 [ 407.990053] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 407.990053] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 407.990053] free:13727 free_pcp:164 free_cma:0 [ 407.995387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.002754] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 408.005155] Call Trace: [ 408.038363] 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 [ 408.047702] [ 408.075445] lowmem_reserve[]: 0 2818 6321 6321 [ 408.078028] dump_stack+0x244/0x39d [ 408.104110] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 408.106253] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.110807] lowmem_reserve[]: 0 0 3503 3503 [ 408.114442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.142001] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 408.147189] warn_alloc.cold.116+0xb7/0x1bd [ 408.151484] lowmem_reserve[]: 0 0 0 0 [ 408.157018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.186228] 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 [ 408.190546] ? lock_downgrade+0x900/0x900 [ 408.194844] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 408.199689] ? trace_hardirqs_off+0xb8/0x310 [ 408.213188] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 408.217333] ? trace_hardirqs_off+0xb8/0x310 [ 408.232661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.237064] __alloc_pages_slowpath+0x2651/0x2de0 [ 408.250562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.254977] ? warn_alloc+0x120/0x120 [ 408.263765] 2220 total pagecache pages [ 408.268603] ? print_usage_bug+0xc0/0xc0 [ 408.277160] 0 pages in swap cache [ 408.280951] ? warn_alloc+0x120/0x120 [ 408.284816] Swap cache stats: add 0, delete 0, find 0/0 [ 408.288870] ? warn_alloc+0x120/0x120 [ 408.292300] Free swap = 0kB [ 408.296096] ? print_usage_bug+0xc0/0xc0 [ 408.301440] Total swap = 0kB [ 408.305231] ? print_usage_bug+0xc0/0xc0 [ 408.308225] 1965979 pages RAM [ 408.312282] ? __lock_acquire+0x62f/0x4c20 [ 408.315276] 0 pages HighMem/MovableOnly [ 408.319334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.322417] 342854 pages reserved [ 408.322425] 0 pages cma reserved [ 408.326654] ? should_fail+0x22d/0xd01 [ 408.330749] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.336128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.339556] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 408.342913] ? __lock_acquire+0x62f/0x4c20 [ 408.371105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.376206] ? __lock_acquire+0x62f/0x4c20 [ 408.380447] ? should_fail+0x22d/0xd01 [ 408.384337] ? find_held_lock+0x36/0x1c0 [ 408.388441] ? mark_held_locks+0x130/0x130 [ 408.392681] ? mark_held_locks+0x130/0x130 [ 408.396928] ? zap_class+0x640/0x640 [ 408.400643] ? zap_class+0x640/0x640 [ 408.404374] ? print_usage_bug+0xc0/0xc0 [ 408.408461] ? do_raw_spin_unlock+0xa7/0x330 [ 408.412872] ? zap_class+0x640/0x640 [ 408.416587] ? print_usage_bug+0xc0/0xc0 [ 408.420647] ? wq_watchdog_touch+0x9c/0xfe [ 408.424885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.430431] ? check_preemption_disabled+0x48/0x280 [ 408.435464] ? __lock_is_held+0xb5/0x140 [ 408.439533] __alloc_pages_nodemask+0xad8/0xea0 [ 408.444203] ? zap_class+0x640/0x640 [ 408.447924] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 408.452956] ? find_held_lock+0x36/0x1c0 [ 408.457044] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.461718] ? lock_downgrade+0x900/0x900 [ 408.465879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.471461] cache_grow_begin+0xa5/0x8c0 [ 408.475535] ? do_raw_spin_unlock+0xa7/0x330 [ 408.479954] fallback_alloc+0x204/0x2e0 [ 408.483931] ____cache_alloc_node+0x1c7/0x1e0 [ 408.488439] kmem_cache_alloc_node+0xe3/0x730 [ 408.492974] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.497220] __alloc_skb+0x119/0x770 [ 408.500934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.506212] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.510622] ? lock_downgrade+0x900/0x900 [ 408.514822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.520359] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.525820] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.531283] ? addrconf_rs_timer+0x690/0x690 [ 408.535707] ndisc_alloc_skb+0x144/0x340 [ 408.539778] ndisc_send_rs+0x331/0x6e0 [ 408.543676] addrconf_rs_timer+0x314/0x690 [ 408.547919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.552165] call_timer_fn+0x272/0x920 [ 408.556046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.560277] ? process_timeout+0x40/0x40 [ 408.564358] ? __run_timers+0x7da/0xc70 [ 408.568340] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.572833] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.577338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.581591] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.586187] ? trace_hardirqs_on+0xbd/0x310 [ 408.590526] ? kasan_check_read+0x11/0x20 [ 408.594674] ? __run_timers+0x7da/0xc70 [ 408.598652] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.603757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.607996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.612227] __run_timers+0x7e5/0xc70 [ 408.616042] ? timer_fixup_init+0x70/0x70 [ 408.620190] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.625210] ? zap_class+0x640/0x640 [ 408.628941] ? enqueue_hrtimer+0x1a5/0x560 [ 408.633183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.638383] ? find_held_lock+0x36/0x1c0 [ 408.642477] ? zap_class+0x640/0x640 [ 408.646194] ? pvclock_read_flags+0x160/0x160 [ 408.650692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.656230] ? check_preemption_disabled+0x48/0x280 [ 408.661260] ? __lock_is_held+0xb5/0x140 [ 408.665324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.670863] ? check_preemption_disabled+0x48/0x280 [ 408.675904] run_timer_softirq+0x52/0xb0 [ 408.679972] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.684990] __do_softirq+0x308/0xb7e [ 408.688799] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.693290] ? lock_downgrade+0x900/0x900 [ 408.697476] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.702588] ? pvclock_read_flags+0x160/0x160 [ 408.707142] ? lapic_next_event+0x5a/0x90 [ 408.711289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.716830] ? kvm_clock_read+0x18/0x30 [ 408.720805] ? kvm_sched_clock_read+0x9/0x20 [ 408.725215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.730766] ? check_preemption_disabled+0x48/0x280 [ 408.735791] irq_exit+0x17f/0x1c0 [ 408.739246] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.744122] ? smp_reschedule_interrupt+0x109/0x650 [ 408.749139] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.755040] ? interrupt_entry+0xb5/0xc0 [ 408.759105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.764121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.769146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.773989] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.779006] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.784040] ? task_prio+0x50/0x50 [ 408.787583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.793122] ? check_preemption_disabled+0x48/0x280 [ 408.798148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.803002] apic_timer_interrupt+0xf/0x20 [ 408.807244] [ 408.809488] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.814431] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 408.833334] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 408.841039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.848308] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 408.855575] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 408.862844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.870114] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 408.877431] skb_clone+0x1bb/0x500 [ 408.880979] ? skb_split+0x11e0/0x11e0 [ 408.884872] ? preempt_notifier_register+0x200/0x200 [ 408.889987] ? __switch_to_asm+0x34/0x70 [ 408.894063] ? __switch_to_asm+0x34/0x70 [ 408.898119] ? __switch_to_asm+0x40/0x70 [ 408.902177] ? __switch_to_asm+0x34/0x70 [ 408.906232] ? __switch_to_asm+0x40/0x70 [ 408.910288] ? __switch_to_asm+0x40/0x70 [ 408.914347] ? __switch_to_asm+0x34/0x70 [ 408.918431] ? __switch_to_asm+0x34/0x70 [ 408.922509] ? __switch_to_asm+0x40/0x70 [ 408.926572] ? __switch_to_asm+0x34/0x70 [ 408.930640] bpf_clone_redirect+0xb9/0x490 [ 408.934887] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 408.939909] ? __sched_text_start+0x8/0x8 [ 408.944060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.948831] ? find_held_lock+0x36/0x1c0 [ 408.952904] ? lock_acquire+0x1ed/0x520 [ 408.956885] ? bpf_test_run+0x3ee/0x7a0 [ 408.960863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.966417] ? check_preemption_disabled+0x48/0x280 [ 408.971446] ? kasan_check_read+0x11/0x20 [ 408.975598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.980873] ? rcu_softirq_qs+0x20/0x20 [ 408.984847] ? preempt_schedule+0x4d/0x60 [ 408.988997] ? ___preempt_schedule+0x16/0x18 [ 408.993428] ? bpf_test_run+0x271/0x7a0 [ 408.997429] ? netlink_diag_dump+0x2a0/0x2a0 [ 409.001842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.007401] ? bpf_test_init.isra.10+0x70/0x100 [ 409.012083] ? bpf_prog_test_run_skb+0x762/0xd60 [ 409.016852] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 409.021700] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 409.027237] ? fput+0x130/0x1a0 [ 409.030541] ? __bpf_prog_get+0x9b/0x290 [ 409.034605] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 409.039463] ? bpf_prog_test_run+0x130/0x1a0 [ 409.043879] ? __x64_sys_bpf+0x3d8/0x520 [ 409.047959] ? bpf_prog_get+0x20/0x20 [ 409.051780] ? do_syscall_64+0x1b9/0x820 [ 409.055839] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 409.061687] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.066618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.071461] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.076483] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 409.081502] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.086524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.091373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.096768] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 409.096852] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.103715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.103720] Call Trace: [ 409.103739] dump_stack+0x244/0x39d [ 409.103764] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.110378] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.119601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.122161] syz-executor2 cpuset=syz2 mems_allowed=0 [ 409.125783] warn_alloc.cold.116+0xb7/0x1bd [ 409.156388] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.161250] ? lock_downgrade+0x900/0x900 [ 409.165415] ? trace_hardirqs_off+0xb8/0x310 [ 409.169831] ? trace_hardirqs_off+0xb8/0x310 [ 409.174250] __alloc_pages_slowpath+0x2651/0x2de0 [ 409.179125] ? warn_alloc+0x120/0x120 [ 409.182941] ? warn_alloc+0x120/0x120 [ 409.186747] ? warn_alloc+0x120/0x120 [ 409.190553] ? print_usage_bug+0xc0/0xc0 [ 409.194621] ? print_usage_bug+0xc0/0xc0 [ 409.198696] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.204237] ? should_fail+0x22d/0xd01 [ 409.208124] ? lockdep_on+0x50/0x50 [ 409.211753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.216861] ? __lock_acquire+0x62f/0x4c20 [ 409.221119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.226252] ? __lock_acquire+0x62f/0x4c20 [ 409.230486] ? should_fail+0x22d/0xd01 [ 409.234374] ? kasan_check_read+0x11/0x20 [ 409.238543] ? mark_held_locks+0x130/0x130 [ 409.242786] ? mark_held_locks+0x130/0x130 [ 409.247034] ? zap_class+0x640/0x640 [ 409.250745] ? ret_from_fork+0x3a/0x50 [ 409.254641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.260183] ? check_preemption_disabled+0x48/0x280 [ 409.265210] ? __lock_is_held+0xb5/0x140 [ 409.269281] __alloc_pages_nodemask+0xad8/0xea0 [ 409.273954] ? zap_class+0x640/0x640 [ 409.277678] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 409.282705] ? find_held_lock+0x36/0x1c0 [ 409.286780] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.291455] ? lock_downgrade+0x900/0x900 [ 409.295612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.301160] cache_grow_begin+0xa5/0x8c0 [ 409.305219] ? do_raw_spin_unlock+0xa7/0x330 [ 409.309634] fallback_alloc+0x204/0x2e0 [ 409.313617] ____cache_alloc_node+0x1c7/0x1e0 [ 409.318119] kmem_cache_alloc_node+0xe3/0x730 [ 409.322613] ? mark_held_locks+0xc7/0x130 [ 409.326774] __alloc_skb+0x119/0x770 [ 409.330497] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.334922] ? do_raw_spin_trylock+0x270/0x270 [ 409.339505] ? kmem_cache_alloc_trace+0x353/0x750 [ 409.344354] ? queue_work_on+0x12c/0x1e0 [ 409.348436] ? switchdev_port_obj_del+0xdc/0x440 [ 409.353197] ? switchdev_trans_item_enqueue+0x260/0x260 [ 409.358572] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.363598] __br_mdb_notify+0x4ff/0x15d0 [ 409.367773] ? __br_mdb_add+0x7f0/0x7f0 [ 409.371758] ? zap_class+0x640/0x640 [ 409.375483] ? br_multicast_group_expired+0x96/0x610 [ 409.380586] ? lock_downgrade+0x900/0x900 [ 409.384741] br_mdb_notify+0x310/0x410 [ 409.388641] ? br_mdb_dump+0x27b0/0x27b0 [ 409.392707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.398254] br_multicast_group_expired+0x1bc/0x610 [ 409.403275] ? br_mdb_free+0x80/0x80 [ 409.407002] call_timer_fn+0x272/0x920 [ 409.410890] ? br_mdb_free+0x80/0x80 [ 409.414639] ? process_timeout+0x40/0x40 [ 409.418725] ? __run_timers+0x7da/0xc70 [ 409.422699] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.427194] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.431688] ? br_mdb_free+0x80/0x80 [ 409.435441] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.440027] ? trace_hardirqs_on+0xbd/0x310 [ 409.444349] ? kasan_check_read+0x11/0x20 [ 409.448532] ? __run_timers+0x7da/0xc70 [ 409.452522] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.457634] ? br_mdb_free+0x80/0x80 [ 409.461371] ? br_mdb_free+0x80/0x80 [ 409.465090] __run_timers+0x7e5/0xc70 [ 409.468904] ? timer_fixup_init+0x70/0x70 [ 409.473060] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.477568] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.482069] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.486652] ? trace_hardirqs_on+0xbd/0x310 [ 409.490972] ? kasan_check_read+0x11/0x20 [ 409.495123] ? finish_task_switch+0x1f4/0x910 [ 409.499624] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.504726] ? compat_start_thread+0x80/0x80 [ 409.509177] ? pvclock_read_flags+0x160/0x160 [ 409.513699] ? __switch_to_asm+0x34/0x70 [ 409.517764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.523306] ? check_preemption_disabled+0x48/0x280 [ 409.528334] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 409.533874] ? rcu_pm_notify+0xc0/0xc0 [ 409.537760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.543298] ? check_preemption_disabled+0x48/0x280 [ 409.548318] run_timer_softirq+0x52/0xb0 [ 409.552378] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.557488] __do_softirq+0x308/0xb7e [ 409.561321] ? retint_kernel+0x2d/0x2d [ 409.565213] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.570332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.575778] ? retint_kernel+0x2d/0x2d [ 409.579669] ? schedule+0x108/0x460 [ 409.583320] ? trace_hardirqs_off+0xb8/0x310 [ 409.587760] ? smpboot_thread_fn+0x68b/0xa00 [ 409.592197] ? trace_hardirqs_on+0x310/0x310 [ 409.596624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.602166] ? check_preemption_disabled+0x48/0x280 [ 409.607185] ? takeover_tasklets+0xa90/0xa90 [ 409.611599] run_ksoftirqd+0x5e/0x100 [ 409.615409] smpboot_thread_fn+0x68b/0xa00 [ 409.619650] ? sort_range+0x30/0x30 [ 409.623281] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.628384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.633937] ? __kthread_parkme+0xfb/0x1a0 [ 409.638175] ? sort_range+0x30/0x30 [ 409.641804] kthread+0x35a/0x440 [ 409.645174] ? kthread_stop+0x900/0x900 [ 409.649162] ret_from_fork+0x3a/0x50 [ 409.652890] warn_alloc_show_mem: 1 callbacks suppressed [ 409.652903] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 409.652904] Mem-Info: [ 409.652958] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 409.652958] active_file:133 inactive_file:117 isolated_file:0 [ 409.652958] unevictable:0 dirty:3 writeback:0 unstable:0 [ 409.652958] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 409.652958] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 409.652958] free:13727 free_pcp:164 free_cma:0 [ 409.658288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.665664] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 409.668076] Call Trace: [ 409.701285] 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 [ 409.710626] [ 409.738379] lowmem_reserve[]: 0 2818 6321 6321 [ 409.740985] dump_stack+0x244/0x39d [ 409.767070] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 409.769215] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.773769] lowmem_reserve[]: 0 0 3503 3503 [ 409.777400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.804954] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 409.810141] warn_alloc.cold.116+0xb7/0x1bd [ 409.814434] lowmem_reserve[]: 0 0 0 0 [ 409.819990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.849196] 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 [ 409.853523] ? lock_downgrade+0x900/0x900 [ 409.857295] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 409.862134] ? trace_hardirqs_off+0xb8/0x310 [ 409.875642] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 409.879783] ? trace_hardirqs_off+0xb8/0x310 [ 409.895106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.899509] __alloc_pages_slowpath+0x2651/0x2de0 [ 409.913012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.917501] ? warn_alloc+0x120/0x120 [ 409.926270] 2220 total pagecache pages [ 409.931118] ? print_usage_bug+0xc0/0xc0 [ 409.939669] 0 pages in swap cache [ 409.943470] ? warn_alloc+0x120/0x120 [ 409.947337] Swap cache stats: add 0, delete 0, find 0/0 [ 409.951398] ? warn_alloc+0x120/0x120 [ 409.954825] Free swap = 0kB [ 409.958621] ? print_usage_bug+0xc0/0xc0 [ 409.963960] Total swap = 0kB [ 409.967756] ? kvm_clock_read+0x18/0x30 [ 409.970750] 1965979 pages RAM [ 409.974803] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.977814] 0 pages HighMem/MovableOnly [ 409.981778] ? print_usage_bug+0xc0/0xc0 [ 409.984860] 342854 pages reserved [ 409.989869] ? __lock_acquire+0x62f/0x4c20 [ 409.993819] 0 pages cma reserved [ 409.997877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.001475] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.005530] ? should_fail+0x22d/0xd01 [ 410.008875] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 410.014419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.038496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.043633] ? __lock_acquire+0x62f/0x4c20 [ 410.047873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.052974] ? __lock_acquire+0x62f/0x4c20 [ 410.057208] ? should_fail+0x22d/0xd01 [ 410.061093] ? rcu_irq_exit+0x1a2/0x390 [ 410.065078] ? mark_held_locks+0x130/0x130 [ 410.069419] ? mark_held_locks+0x130/0x130 [ 410.073662] ? mark_held_locks+0xc7/0x130 [ 410.077810] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.082842] ? zap_class+0x640/0x640 [ 410.086558] ? print_usage_bug+0xc0/0xc0 [ 410.090626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.096169] ? check_preemption_disabled+0x48/0x280 [ 410.101196] ? __lock_is_held+0xb5/0x140 [ 410.105278] __alloc_pages_nodemask+0xad8/0xea0 [ 410.109946] ? zap_class+0x640/0x640 [ 410.113668] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 410.118695] ? find_held_lock+0x36/0x1c0 [ 410.122766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.127444] ? lock_downgrade+0x900/0x900 [ 410.131600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.137152] cache_grow_begin+0xa5/0x8c0 [ 410.141216] ? do_raw_spin_unlock+0xa7/0x330 [ 410.145630] fallback_alloc+0x204/0x2e0 [ 410.149614] ____cache_alloc_node+0x1c7/0x1e0 [ 410.154118] kmem_cache_alloc_node+0xe3/0x730 [ 410.158619] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.162869] __alloc_skb+0x119/0x770 [ 410.166582] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.171864] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.176277] ? lock_downgrade+0x900/0x900 [ 410.180455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.186013] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.191477] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.197096] ? addrconf_rs_timer+0x690/0x690 [ 410.201517] ndisc_alloc_skb+0x144/0x340 [ 410.205585] ndisc_send_rs+0x331/0x6e0 [ 410.209477] addrconf_rs_timer+0x314/0x690 [ 410.213720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.217962] call_timer_fn+0x272/0x920 [ 410.221868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.226115] ? process_timeout+0x40/0x40 [ 410.230184] ? __run_timers+0x7da/0xc70 [ 410.234163] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.238661] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.243153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.247387] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.252019] ? trace_hardirqs_on+0xbd/0x310 [ 410.256339] ? kasan_check_read+0x11/0x20 [ 410.260484] ? __run_timers+0x7da/0xc70 [ 410.264458] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.269568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.273811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.278047] __run_timers+0x7e5/0xc70 [ 410.281875] ? timer_fixup_init+0x70/0x70 [ 410.286026] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.291043] ? zap_class+0x640/0x640 [ 410.294761] ? enqueue_hrtimer+0x1a5/0x560 [ 410.299014] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.304211] ? find_held_lock+0x36/0x1c0 [ 410.308291] ? zap_class+0x640/0x640 [ 410.312008] ? pvclock_read_flags+0x160/0x160 [ 410.316506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.322047] ? check_preemption_disabled+0x48/0x280 [ 410.327078] ? __lock_is_held+0xb5/0x140 [ 410.331145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.336682] ? check_preemption_disabled+0x48/0x280 [ 410.341732] run_timer_softirq+0x52/0xb0 [ 410.345809] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.350829] __do_softirq+0x308/0xb7e [ 410.354633] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 410.359125] ? lock_downgrade+0x900/0x900 [ 410.363281] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.368400] ? pvclock_read_flags+0x160/0x160 [ 410.372920] ? lapic_next_event+0x5a/0x90 [ 410.377108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.382654] ? kvm_clock_read+0x18/0x30 [ 410.386626] ? kvm_sched_clock_read+0x9/0x20 [ 410.391053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.396592] ? check_preemption_disabled+0x48/0x280 [ 410.401623] irq_exit+0x17f/0x1c0 [ 410.405080] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.409923] ? smp_reschedule_interrupt+0x109/0x650 [ 410.414944] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.420833] ? interrupt_entry+0xb5/0xc0 [ 410.424893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.429926] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.434957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.439819] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.444846] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.449890] ? task_prio+0x50/0x50 [ 410.453441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.458979] ? check_preemption_disabled+0x48/0x280 [ 410.464000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.468853] apic_timer_interrupt+0xf/0x20 [ 410.473081] [ 410.475322] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 410.480251] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 410.499151] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 410.506866] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.514132] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 410.521406] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 410.528680] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 410.535946] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 410.543253] skb_clone+0x1bb/0x500 [ 410.546800] ? skb_split+0x11e0/0x11e0 [ 410.550691] ? preempt_notifier_register+0x200/0x200 [ 410.555790] ? __switch_to_asm+0x34/0x70 [ 410.559848] ? __switch_to_asm+0x34/0x70 [ 410.563924] ? __switch_to_asm+0x40/0x70 [ 410.567986] ? __switch_to_asm+0x34/0x70 [ 410.572045] ? __switch_to_asm+0x40/0x70 [ 410.576104] ? __switch_to_asm+0x40/0x70 [ 410.580162] ? __switch_to_asm+0x34/0x70 [ 410.584220] ? __switch_to_asm+0x34/0x70 [ 410.588277] ? __switch_to_asm+0x40/0x70 [ 410.592339] ? __switch_to_asm+0x34/0x70 [ 410.596417] bpf_clone_redirect+0xb9/0x490 [ 410.600665] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 410.605688] ? __sched_text_start+0x8/0x8 [ 410.609832] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.614613] ? find_held_lock+0x36/0x1c0 [ 410.618681] ? lock_acquire+0x1ed/0x520 [ 410.622655] ? bpf_test_run+0x3ee/0x7a0 [ 410.626634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.632190] ? check_preemption_disabled+0x48/0x280 [ 410.637216] ? kasan_check_read+0x11/0x20 [ 410.641368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.646651] ? rcu_softirq_qs+0x20/0x20 [ 410.650629] ? preempt_schedule+0x4d/0x60 [ 410.654776] ? ___preempt_schedule+0x16/0x18 [ 410.659207] ? bpf_test_run+0x271/0x7a0 [ 410.663194] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.667603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.673138] ? bpf_test_init.isra.10+0x70/0x100 [ 410.677815] ? bpf_prog_test_run_skb+0x762/0xd60 [ 410.682587] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.687443] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.692995] ? fput+0x130/0x1a0 [ 410.696283] ? __bpf_prog_get+0x9b/0x290 [ 410.700347] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.705195] ? bpf_prog_test_run+0x130/0x1a0 [ 410.709606] ? __x64_sys_bpf+0x3d8/0x520 [ 410.713666] ? bpf_prog_get+0x20/0x20 [ 410.717486] ? do_syscall_64+0x1b9/0x820 [ 410.721548] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.726913] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.731847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.736694] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.741711] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.746728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.751751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.756605] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.762034] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 410.762103] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.768963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.768972] Call Trace: [ 410.775535] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.784801] dump_stack+0x244/0x39d [ 410.787363] syz-executor2 cpuset=syz2 mems_allowed=0 [ 410.797846] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.811724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.817271] warn_alloc.cold.116+0xb7/0x1bd [ 410.821595] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.826451] ? lock_downgrade+0x900/0x900 [ 410.830607] ? trace_hardirqs_off+0xb8/0x310 [ 410.835037] ? trace_hardirqs_off+0xb8/0x310 [ 410.839458] __alloc_pages_slowpath+0x2651/0x2de0 [ 410.844333] ? warn_alloc+0x120/0x120 [ 410.848144] ? warn_alloc+0x120/0x120 [ 410.851973] ? warn_alloc+0x120/0x120 [ 410.855776] ? print_usage_bug+0xc0/0xc0 [ 410.859842] ? print_usage_bug+0xc0/0xc0 [ 410.863917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.869460] ? should_fail+0x22d/0xd01 [ 410.873344] ? lockdep_on+0x50/0x50 [ 410.876976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.882080] ? __lock_acquire+0x62f/0x4c20 [ 410.886336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.891435] ? __lock_acquire+0x62f/0x4c20 [ 410.895672] ? should_fail+0x22d/0xd01 [ 410.899585] ? kasan_check_read+0x11/0x20 [ 410.903760] ? mark_held_locks+0x130/0x130 [ 410.908001] ? mark_held_locks+0x130/0x130 [ 410.912247] ? zap_class+0x640/0x640 [ 410.915971] ? ret_from_fork+0x3a/0x50 [ 410.919878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.925421] ? check_preemption_disabled+0x48/0x280 [ 410.930480] ? __lock_is_held+0xb5/0x140 [ 410.934575] __alloc_pages_nodemask+0xad8/0xea0 [ 410.939248] ? zap_class+0x640/0x640 [ 410.943000] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 410.948028] ? find_held_lock+0x36/0x1c0 [ 410.952114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.956781] ? lock_downgrade+0x900/0x900 [ 410.960941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.966498] cache_grow_begin+0xa5/0x8c0 [ 410.970594] ? do_raw_spin_unlock+0xa7/0x330 [ 410.975012] fallback_alloc+0x204/0x2e0 [ 410.978995] ____cache_alloc_node+0x1c7/0x1e0 [ 410.983502] kmem_cache_alloc_node+0xe3/0x730 [ 410.987997] ? mark_held_locks+0xc7/0x130 [ 410.992174] __alloc_skb+0x119/0x770 [ 410.995897] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.000309] ? do_raw_spin_trylock+0x270/0x270 [ 411.004897] ? kmem_cache_alloc_trace+0x353/0x750 [ 411.009766] ? queue_work_on+0x12c/0x1e0 [ 411.013839] ? switchdev_port_obj_del+0xdc/0x440 [ 411.018603] ? switchdev_trans_item_enqueue+0x260/0x260 [ 411.023976] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.028999] __br_mdb_notify+0x4ff/0x15d0 [ 411.033163] ? __br_mdb_add+0x7f0/0x7f0 [ 411.037149] ? zap_class+0x640/0x640 [ 411.040874] ? br_multicast_group_expired+0x96/0x610 [ 411.045978] ? lock_downgrade+0x900/0x900 [ 411.050166] br_mdb_notify+0x310/0x410 [ 411.054057] ? br_mdb_dump+0x27b0/0x27b0 [ 411.058128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.063677] br_multicast_group_expired+0x1bc/0x610 [ 411.068699] ? br_mdb_free+0x80/0x80 [ 411.072427] call_timer_fn+0x272/0x920 [ 411.076335] ? br_mdb_free+0x80/0x80 [ 411.080048] ? process_timeout+0x40/0x40 [ 411.084113] ? __run_timers+0x7da/0xc70 [ 411.088105] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.092601] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.097097] ? br_mdb_free+0x80/0x80 [ 411.100811] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.105405] ? trace_hardirqs_on+0xbd/0x310 [ 411.109727] ? kasan_check_read+0x11/0x20 [ 411.113874] ? __run_timers+0x7da/0xc70 [ 411.117862] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.122967] ? br_mdb_free+0x80/0x80 [ 411.126691] ? br_mdb_free+0x80/0x80 [ 411.130409] __run_timers+0x7e5/0xc70 [ 411.134223] ? timer_fixup_init+0x70/0x70 [ 411.138371] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.142906] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.147415] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.152019] ? trace_hardirqs_on+0xbd/0x310 [ 411.156352] ? kasan_check_read+0x11/0x20 [ 411.160538] ? finish_task_switch+0x1f4/0x910 [ 411.165034] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.170141] ? compat_start_thread+0x80/0x80 [ 411.174575] ? pvclock_read_flags+0x160/0x160 [ 411.179066] ? __switch_to_asm+0x34/0x70 [ 411.183129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.188667] ? check_preemption_disabled+0x48/0x280 [ 411.193694] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 411.199245] ? rcu_pm_notify+0xc0/0xc0 [ 411.203163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.208717] ? check_preemption_disabled+0x48/0x280 [ 411.213741] run_timer_softirq+0x52/0xb0 [ 411.217806] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.222826] __do_softirq+0x308/0xb7e [ 411.226632] ? retint_kernel+0x2d/0x2d [ 411.230528] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.235661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.241112] ? retint_kernel+0x2d/0x2d [ 411.245020] ? schedule+0x108/0x460 [ 411.248655] ? trace_hardirqs_off+0xb8/0x310 [ 411.253065] ? smpboot_thread_fn+0x68b/0xa00 [ 411.257475] ? trace_hardirqs_on+0x310/0x310 [ 411.261930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.267472] ? check_preemption_disabled+0x48/0x280 [ 411.272489] ? takeover_tasklets+0xa90/0xa90 [ 411.276898] run_ksoftirqd+0x5e/0x100 [ 411.280704] smpboot_thread_fn+0x68b/0xa00 [ 411.284946] ? sort_range+0x30/0x30 [ 411.288584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.293719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.299256] ? __kthread_parkme+0xfb/0x1a0 [ 411.303500] ? sort_range+0x30/0x30 [ 411.307134] kthread+0x35a/0x440 [ 411.310508] ? kthread_stop+0x900/0x900 [ 411.314513] ret_from_fork+0x3a/0x50 [ 411.318267] warn_alloc_show_mem: 1 callbacks suppressed [ 411.318279] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 411.318281] Mem-Info: [ 411.318314] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 411.318314] active_file:133 inactive_file:117 isolated_file:0 [ 411.318314] unevictable:0 dirty:3 writeback:0 unstable:0 [ 411.318314] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 411.318314] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 411.318314] free:13727 free_pcp:164 free_cma:0 [ 411.323645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.331012] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 411.333419] Call Trace: [ 411.366628] 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 [ 411.375970] [ 411.403712] lowmem_reserve[]: 0 2818 6321 6321 [ 411.406298] dump_stack+0x244/0x39d [ 411.432382] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 411.434545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.439100] lowmem_reserve[]: 0 0 3503 3503 [ 411.442723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.470282] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 411.475467] warn_alloc.cold.116+0xb7/0x1bd [ 411.479760] lowmem_reserve[]: 0 0 0 0 [ 411.485288] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.514500] 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 [ 411.518818] ? lock_downgrade+0x900/0x900 [ 411.522609] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 411.527454] ? trace_hardirqs_off+0xb8/0x310 [ 411.540953] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 411.545092] ? trace_hardirqs_off+0xb8/0x310 [ 411.560426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.564824] __alloc_pages_slowpath+0x2651/0x2de0 [ 411.578322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.582737] ? warn_alloc+0x120/0x120 [ 411.591543] 2220 total pagecache pages [ 411.596377] ? print_usage_bug+0xc0/0xc0 [ 411.604942] 0 pages in swap cache [ 411.608732] ? warn_alloc+0x120/0x120 [ 411.612599] Swap cache stats: add 0, delete 0, find 0/0 [ 411.616652] ? warn_alloc+0x120/0x120 [ 411.620078] Free swap = 0kB [ 411.623874] ? print_usage_bug+0xc0/0xc0 [ 411.629210] Total swap = 0kB [ 411.633004] ? kvm_clock_read+0x18/0x30 [ 411.635996] 1965979 pages RAM [ 411.640051] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.643046] 0 pages HighMem/MovableOnly [ 411.647016] ? print_usage_bug+0xc0/0xc0 [ 411.650102] 342854 pages reserved [ 411.655109] ? __lock_acquire+0x62f/0x4c20 [ 411.659055] 0 pages cma reserved [ 411.663123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.666801] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.670776] ? should_fail+0x22d/0xd01 [ 411.670793] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.674431] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 411.679969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.679987] ? __lock_acquire+0x62f/0x4c20 [ 411.713535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.718641] ? __lock_acquire+0x62f/0x4c20 [ 411.722879] ? should_fail+0x22d/0xd01 [ 411.726792] ? rcu_irq_exit+0x1a2/0x390 [ 411.730779] ? mark_held_locks+0x130/0x130 [ 411.735025] ? mark_held_locks+0x130/0x130 [ 411.739292] ? mark_held_locks+0xc7/0x130 [ 411.743447] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 411.748482] ? zap_class+0x640/0x640 [ 411.752196] ? print_usage_bug+0xc0/0xc0 [ 411.756263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.761811] ? check_preemption_disabled+0x48/0x280 [ 411.766843] ? __lock_is_held+0xb5/0x140 [ 411.770933] __alloc_pages_nodemask+0xad8/0xea0 [ 411.775607] ? zap_class+0x640/0x640 [ 411.779330] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 411.784353] ? find_held_lock+0x36/0x1c0 [ 411.788469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.793144] ? lock_downgrade+0x900/0x900 [ 411.797301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.802875] cache_grow_begin+0xa5/0x8c0 [ 411.806941] ? do_raw_spin_unlock+0xa7/0x330 [ 411.811360] fallback_alloc+0x204/0x2e0 [ 411.815347] ____cache_alloc_node+0x1c7/0x1e0 [ 411.819872] kmem_cache_alloc_node+0xe3/0x730 [ 411.824367] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.828616] __alloc_skb+0x119/0x770 [ 411.832330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.837627] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.842069] ? lock_downgrade+0x900/0x900 [ 411.846271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.851808] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.857263] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.862716] ? addrconf_rs_timer+0x690/0x690 [ 411.867139] ndisc_alloc_skb+0x144/0x340 [ 411.871208] ndisc_send_rs+0x331/0x6e0 [ 411.875100] addrconf_rs_timer+0x314/0x690 [ 411.879343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.883596] call_timer_fn+0x272/0x920 [ 411.887483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.891736] ? process_timeout+0x40/0x40 [ 411.895807] ? __run_timers+0x7da/0xc70 [ 411.899783] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.904282] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.908777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.913016] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.917604] ? trace_hardirqs_on+0xbd/0x310 [ 411.921926] ? kasan_check_read+0x11/0x20 [ 411.926085] ? __run_timers+0x7da/0xc70 [ 411.930059] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.935198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.939457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.943704] __run_timers+0x7e5/0xc70 [ 411.947523] ? timer_fixup_init+0x70/0x70 [ 411.951675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.956697] ? zap_class+0x640/0x640 [ 411.960426] ? enqueue_hrtimer+0x1a5/0x560 [ 411.964667] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.969868] ? find_held_lock+0x36/0x1c0 [ 411.973941] ? zap_class+0x640/0x640 [ 411.977662] ? pvclock_read_flags+0x160/0x160 [ 411.982165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.987703] ? check_preemption_disabled+0x48/0x280 [ 411.992735] ? __lock_is_held+0xb5/0x140 [ 411.996801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.002338] ? check_preemption_disabled+0x48/0x280 [ 412.007360] run_timer_softirq+0x52/0xb0 [ 412.011437] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.016464] __do_softirq+0x308/0xb7e [ 412.020271] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 412.024767] ? lock_downgrade+0x900/0x900 [ 412.028921] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.034034] ? pvclock_read_flags+0x160/0x160 [ 412.038535] ? lapic_next_event+0x5a/0x90 [ 412.042686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.048229] ? kvm_clock_read+0x18/0x30 [ 412.052218] ? kvm_sched_clock_read+0x9/0x20 [ 412.056632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.062200] ? check_preemption_disabled+0x48/0x280 [ 412.067225] irq_exit+0x17f/0x1c0 [ 412.070708] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.075553] ? smp_reschedule_interrupt+0x109/0x650 [ 412.080576] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.086466] ? interrupt_entry+0xb5/0xc0 [ 412.090530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.095545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.100565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.105448] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.110484] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.115501] ? task_prio+0x50/0x50 [ 412.119055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.124608] ? check_preemption_disabled+0x48/0x280 [ 412.129633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.134492] apic_timer_interrupt+0xf/0x20 [ 412.138723] [ 412.141000] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 412.145929] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 412.164832] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 412.172541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 412.179808] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 412.187074] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 412.194472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 412.201742] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 412.209063] skb_clone+0x1bb/0x500 [ 412.212609] ? skb_split+0x11e0/0x11e0 [ 412.216501] ? preempt_notifier_register+0x200/0x200 [ 412.221629] ? __switch_to_asm+0x34/0x70 [ 412.225691] ? __switch_to_asm+0x34/0x70 [ 412.229752] ? __switch_to_asm+0x40/0x70 [ 412.233809] ? __switch_to_asm+0x34/0x70 [ 412.237869] ? __switch_to_asm+0x40/0x70 [ 412.241929] ? __switch_to_asm+0x40/0x70 [ 412.245988] ? __switch_to_asm+0x34/0x70 [ 412.250047] ? __switch_to_asm+0x34/0x70 [ 412.254104] ? __switch_to_asm+0x40/0x70 [ 412.258163] ? __switch_to_asm+0x34/0x70 [ 412.262232] bpf_clone_redirect+0xb9/0x490 [ 412.266474] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 412.271495] ? __sched_text_start+0x8/0x8 [ 412.275643] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.280422] ? find_held_lock+0x36/0x1c0 [ 412.284505] ? lock_acquire+0x1ed/0x520 [ 412.288483] ? bpf_test_run+0x3ee/0x7a0 [ 412.292468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.298009] ? check_preemption_disabled+0x48/0x280 [ 412.303037] ? kasan_check_read+0x11/0x20 [ 412.307185] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.312466] ? rcu_softirq_qs+0x20/0x20 [ 412.316445] ? preempt_schedule+0x4d/0x60 [ 412.320593] ? ___preempt_schedule+0x16/0x18 [ 412.325008] ? bpf_test_run+0x271/0x7a0 [ 412.329023] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.333438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.338976] ? bpf_test_init.isra.10+0x70/0x100 [ 412.343656] ? bpf_prog_test_run_skb+0x762/0xd60 [ 412.348434] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.353285] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.358822] ? fput+0x130/0x1a0 [ 412.362138] ? __bpf_prog_get+0x9b/0x290 [ 412.366204] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.371044] ? bpf_prog_test_run+0x130/0x1a0 [ 412.375461] ? __x64_sys_bpf+0x3d8/0x520 [ 412.379522] ? bpf_prog_get+0x20/0x20 [ 412.383341] ? do_syscall_64+0x1b9/0x820 [ 412.387429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.392795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.397726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.402574] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.407604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.412621] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.417662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.422512] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.427894] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 412.427963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.434826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.434831] Call Trace: [ 412.434849] dump_stack+0x244/0x39d [ 412.434869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.434886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.441456] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.450715] warn_alloc.cold.116+0xb7/0x1bd [ 412.453270] syz-executor2 cpuset=syz2 mems_allowed=0 [ 412.456891] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.492283] ? lock_downgrade+0x900/0x900 [ 412.496441] ? trace_hardirqs_off+0xb8/0x310 [ 412.500857] ? trace_hardirqs_off+0xb8/0x310 [ 412.505274] __alloc_pages_slowpath+0x2651/0x2de0 [ 412.510143] ? warn_alloc+0x120/0x120 [ 412.513950] ? warn_alloc+0x120/0x120 [ 412.517757] ? print_usage_bug+0xc0/0xc0 [ 412.521820] ? warn_alloc+0x120/0x120 [ 412.525623] ? print_usage_bug+0xc0/0xc0 [ 412.529688] ? print_usage_bug+0xc0/0xc0 [ 412.533759] ? check_usage_forwards+0x3d0/0x3d0 [ 412.538437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.543974] ? should_fail+0x22d/0xd01 [ 412.547867] ? __lock_acquire+0x62f/0x4c20 [ 412.552139] ? __lock_acquire+0x62f/0x4c20 [ 412.556376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.561489] ? __lock_acquire+0x62f/0x4c20 [ 412.565727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.570832] ? should_fail+0x22d/0xd01 [ 412.574732] ? mark_held_locks+0x130/0x130 [ 412.578972] ? mark_held_locks+0x130/0x130 [ 412.583216] ? kasan_check_read+0x11/0x20 [ 412.587366] ? __lock_acquire+0x2aff/0x4c20 [ 412.591700] ? zap_class+0x640/0x640 [ 412.595429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.600970] ? check_preemption_disabled+0x48/0x280 [ 412.606002] ? __lock_is_held+0xb5/0x140 [ 412.610068] __alloc_pages_nodemask+0xad8/0xea0 [ 412.614736] ? zap_class+0x640/0x640 [ 412.618460] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 412.623490] ? find_held_lock+0x36/0x1c0 [ 412.627561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.632233] ? lock_downgrade+0x900/0x900 [ 412.636398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.641947] cache_grow_begin+0xa5/0x8c0 [ 412.646027] ? do_raw_spin_unlock+0xa7/0x330 [ 412.650445] fallback_alloc+0x204/0x2e0 [ 412.654434] ____cache_alloc_node+0x1c7/0x1e0 [ 412.658942] kmem_cache_alloc_node+0xe3/0x730 [ 412.663440] ? do_raw_spin_unlock+0xa7/0x330 [ 412.667848] ? do_raw_spin_trylock+0x270/0x270 [ 412.672438] __alloc_skb+0x119/0x770 [ 412.676160] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.680570] ? atomic_notifier_call_chain+0xc6/0x190 [ 412.685675] ? lock_downgrade+0x900/0x900 [ 412.689828] ? check_preemption_disabled+0x48/0x280 [ 412.694847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.699778] ? kasan_check_read+0x11/0x20 [ 412.703933] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.709210] ? rcu_softirq_qs+0x20/0x20 [ 412.713183] ? kasan_check_read+0x11/0x20 [ 412.717334] ? do_raw_write_trylock+0x270/0x270 [ 412.722015] __neigh_notify+0x8c/0x160 [ 412.725907] ? neigh_connected_output+0x780/0x780 [ 412.730759] neigh_timer_handler+0x6cb/0xdf0 [ 412.735169] ? check_preemption_disabled+0x48/0x280 [ 412.740189] ? neigh_periodic_work+0xc60/0xc60 [ 412.744772] ? __lock_is_held+0xb5/0x140 [ 412.748850] call_timer_fn+0x272/0x920 [ 412.752738] ? neigh_periodic_work+0xc60/0xc60 [ 412.757321] ? process_timeout+0x40/0x40 [ 412.761833] ? __run_timers+0x7da/0xc70 [ 412.765815] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.770312] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.774804] ? neigh_periodic_work+0xc60/0xc60 [ 412.779397] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.783985] ? trace_hardirqs_on+0xbd/0x310 [ 412.788309] ? kasan_check_read+0x11/0x20 [ 412.792454] ? __run_timers+0x7da/0xc70 [ 412.796432] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.801551] ? neigh_periodic_work+0xc60/0xc60 [ 412.806131] __run_timers+0x7e5/0xc70 [ 412.809950] ? timer_fixup_init+0x70/0x70 [ 412.814099] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.818593] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.823089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.827677] ? trace_hardirqs_on+0xbd/0x310 [ 412.832003] ? kasan_check_read+0x11/0x20 [ 412.836157] ? finish_task_switch+0x1f4/0x910 [ 412.840655] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.845758] ? compat_start_thread+0x80/0x80 [ 412.850189] ? pvclock_read_flags+0x160/0x160 [ 412.854685] ? __switch_to_asm+0x34/0x70 [ 412.858747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.864285] ? check_preemption_disabled+0x48/0x280 [ 412.869312] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 412.874856] ? rcu_pm_notify+0xc0/0xc0 [ 412.878747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.884288] ? check_preemption_disabled+0x48/0x280 [ 412.889308] run_timer_softirq+0x52/0xb0 [ 412.893373] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.898405] __do_softirq+0x308/0xb7e [ 412.902214] ? retint_kernel+0x2d/0x2d [ 412.906470] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.911574] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.917028] ? retint_kernel+0x2d/0x2d [ 412.920930] ? schedule+0x108/0x460 [ 412.924573] ? trace_hardirqs_off+0xb8/0x310 [ 412.928984] ? smpboot_thread_fn+0x68b/0xa00 [ 412.933403] ? trace_hardirqs_on+0x310/0x310 [ 412.937818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.943357] ? check_preemption_disabled+0x48/0x280 [ 412.948386] ? takeover_tasklets+0xa90/0xa90 [ 412.952807] run_ksoftirqd+0x5e/0x100 [ 412.956608] smpboot_thread_fn+0x68b/0xa00 [ 412.960851] ? sort_range+0x30/0x30 [ 412.964482] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.969588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.975132] ? __kthread_parkme+0xfb/0x1a0 [ 412.979374] ? sort_range+0x30/0x30 [ 412.983009] kthread+0x35a/0x440 [ 412.986384] ? kthread_stop+0x900/0x900 [ 412.990370] ret_from_fork+0x3a/0x50 [ 412.994114] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 412.994120] warn_alloc_show_mem: 1 callbacks suppressed [ 412.994127] Mem-Info: [ 413.001487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.006858] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 413.006858] active_file:133 inactive_file:117 isolated_file:0 [ 413.006858] unevictable:0 dirty:3 writeback:0 unstable:0 [ 413.006858] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 413.006858] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 413.006858] free:13727 free_pcp:164 free_cma:0 [ 413.009231] Call Trace: [ 413.018619] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 413.051808] [ 413.054380] 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 [ 413.082599] dump_stack+0x244/0x39d [ 413.084731] lowmem_reserve[]: 0 2818 6321 6321 [ 413.110837] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.114440] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.119020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.124179] lowmem_reserve[]: 0 0 3503 3503 [ 413.151773] warn_alloc.cold.116+0xb7/0x1bd [ 413.157279] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 413.161592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.165889] lowmem_reserve[]: 0 0 0 0 [ 413.195151] ? lock_downgrade+0x900/0x900 [ 413.199966] 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 [ 413.203767] ? trace_hardirqs_off+0xb8/0x310 [ 413.207888] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 413.221419] ? trace_hardirqs_off+0xb8/0x310 [ 413.225799] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 413.241144] __alloc_pages_slowpath+0x2651/0x2de0 [ 413.245534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.259066] ? warn_alloc+0x120/0x120 [ 413.263873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.272696] ? print_usage_bug+0xc0/0xc0 [ 413.276472] 2220 total pagecache pages [ 413.285039] ? warn_alloc+0x120/0x120 [ 413.289079] 0 pages in swap cache [ 413.292952] ? warn_alloc+0x120/0x120 [ 413.296732] Swap cache stats: add 0, delete 0, find 0/0 [ 413.300175] ? print_usage_bug+0xc0/0xc0 [ 413.303955] Free swap = 0kB [ 413.309315] ? kvm_clock_read+0x18/0x30 [ 413.313349] Total swap = 0kB [ 413.316362] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.320310] 1965979 pages RAM [ 413.323325] ? print_usage_bug+0xc0/0xc0 [ 413.328316] 0 pages HighMem/MovableOnly [ 413.331434] ? __lock_acquire+0x62f/0x4c20 [ 413.335467] 342854 pages reserved [ 413.339441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.343648] 0 pages cma reserved [ 413.347098] ? should_fail+0x22d/0xd01 [ 413.352749] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.355960] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.355980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.360091] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 413.370405] ? __lock_acquire+0x62f/0x4c20 [ 413.370431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.394861] ? __lock_acquire+0x62f/0x4c20 [ 413.399097] ? should_fail+0x22d/0xd01 [ 413.402984] ? rcu_irq_exit+0x1a2/0x390 [ 413.406969] ? mark_held_locks+0x130/0x130 [ 413.411214] ? mark_held_locks+0x130/0x130 [ 413.415457] ? mark_held_locks+0xc7/0x130 [ 413.419607] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.424628] ? zap_class+0x640/0x640 [ 413.428346] ? print_usage_bug+0xc0/0xc0 [ 413.432425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.437970] ? check_preemption_disabled+0x48/0x280 [ 413.443001] ? __lock_is_held+0xb5/0x140 [ 413.447067] __alloc_pages_nodemask+0xad8/0xea0 [ 413.451737] ? zap_class+0x640/0x640 [ 413.455455] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 413.460488] ? find_held_lock+0x36/0x1c0 [ 413.464560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.469236] ? lock_downgrade+0x900/0x900 [ 413.473401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.478951] cache_grow_begin+0xa5/0x8c0 [ 413.483017] ? do_raw_spin_unlock+0xa7/0x330 [ 413.487443] fallback_alloc+0x204/0x2e0 [ 413.491442] ____cache_alloc_node+0x1c7/0x1e0 [ 413.495947] kmem_cache_alloc_node+0xe3/0x730 [ 413.500450] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.504696] __alloc_skb+0x119/0x770 [ 413.508420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.513703] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.518114] ? lock_downgrade+0x900/0x900 [ 413.522269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.527809] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.533263] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.538716] ? addrconf_rs_timer+0x690/0x690 [ 413.543136] ndisc_alloc_skb+0x144/0x340 [ 413.547201] ndisc_send_rs+0x331/0x6e0 [ 413.551096] addrconf_rs_timer+0x314/0x690 [ 413.555342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.559587] call_timer_fn+0x272/0x920 [ 413.563478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.567717] ? process_timeout+0x40/0x40 [ 413.571788] ? __run_timers+0x7da/0xc70 [ 413.575764] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.580259] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.584753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.588987] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.593571] ? trace_hardirqs_on+0xbd/0x310 [ 413.597892] ? kasan_check_read+0x11/0x20 [ 413.602042] ? __run_timers+0x7da/0xc70 [ 413.606022] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.611129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.615373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.619620] __run_timers+0x7e5/0xc70 [ 413.623444] ? timer_fixup_init+0x70/0x70 [ 413.627627] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.632644] ? zap_class+0x640/0x640 [ 413.636361] ? enqueue_hrtimer+0x1a5/0x560 [ 413.640609] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.645809] ? find_held_lock+0x36/0x1c0 [ 413.649880] ? zap_class+0x640/0x640 [ 413.653599] ? pvclock_read_flags+0x160/0x160 [ 413.658101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.663642] ? check_preemption_disabled+0x48/0x280 [ 413.668667] ? __lock_is_held+0xb5/0x140 [ 413.672729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.678272] ? check_preemption_disabled+0x48/0x280 [ 413.683295] run_timer_softirq+0x52/0xb0 [ 413.687359] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.692409] __do_softirq+0x308/0xb7e [ 413.696225] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.700718] ? lock_downgrade+0x900/0x900 [ 413.704869] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.709976] ? pvclock_read_flags+0x160/0x160 [ 413.714479] ? lapic_next_event+0x5a/0x90 [ 413.718632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.724178] ? kvm_clock_read+0x18/0x30 [ 413.728156] ? kvm_sched_clock_read+0x9/0x20 [ 413.732566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.738109] ? check_preemption_disabled+0x48/0x280 [ 413.743134] irq_exit+0x17f/0x1c0 [ 413.746588] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.751437] ? smp_reschedule_interrupt+0x109/0x650 [ 413.756460] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.762342] ? interrupt_entry+0xb5/0xc0 [ 413.766417] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.771445] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.776465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.781313] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.786340] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.791359] ? task_prio+0x50/0x50 [ 413.794911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.800452] ? check_preemption_disabled+0x48/0x280 [ 413.805478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.810328] apic_timer_interrupt+0xf/0x20 [ 413.814555] [ 413.816797] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.821727] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 413.840627] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 413.848331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.855601] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 413.862867] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 413.870134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.877409] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 413.884726] skb_clone+0x1bb/0x500 [ 413.888273] ? skb_split+0x11e0/0x11e0 [ 413.892165] ? preempt_notifier_register+0x200/0x200 [ 413.897265] ? __switch_to_asm+0x34/0x70 [ 413.901328] ? __switch_to_asm+0x34/0x70 [ 413.905388] ? __switch_to_asm+0x40/0x70 [ 413.909460] ? __switch_to_asm+0x34/0x70 [ 413.913519] ? __switch_to_asm+0x40/0x70 [ 413.917582] ? __switch_to_asm+0x40/0x70 [ 413.921638] ? __switch_to_asm+0x34/0x70 [ 413.925701] ? __switch_to_asm+0x34/0x70 [ 413.929760] ? __switch_to_asm+0x40/0x70 [ 413.933820] ? __switch_to_asm+0x34/0x70 [ 413.937889] bpf_clone_redirect+0xb9/0x490 [ 413.942135] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 413.947157] ? __sched_text_start+0x8/0x8 [ 413.951308] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.956074] ? find_held_lock+0x36/0x1c0 [ 413.960143] ? lock_acquire+0x1ed/0x520 [ 413.964117] ? bpf_test_run+0x3ee/0x7a0 [ 413.968092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.973634] ? check_preemption_disabled+0x48/0x280 [ 413.978655] ? kasan_check_read+0x11/0x20 [ 413.982806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.988081] ? rcu_softirq_qs+0x20/0x20 [ 413.992059] ? preempt_schedule+0x4d/0x60 [ 413.996213] ? ___preempt_schedule+0x16/0x18 [ 414.000633] ? bpf_test_run+0x271/0x7a0 [ 414.004624] ? netlink_diag_dump+0x2a0/0x2a0 [ 414.009036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.014575] ? bpf_test_init.isra.10+0x70/0x100 [ 414.019252] ? bpf_prog_test_run_skb+0x762/0xd60 [ 414.024019] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.028872] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.034426] ? fput+0x130/0x1a0 [ 414.037712] ? __bpf_prog_get+0x9b/0x290 [ 414.041779] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.046622] ? bpf_prog_test_run+0x130/0x1a0 [ 414.051037] ? __x64_sys_bpf+0x3d8/0x520 [ 414.055100] ? bpf_prog_get+0x20/0x20 [ 414.058924] ? do_syscall_64+0x1b9/0x820 [ 414.063479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.068847] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.073775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.078622] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.083640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 414.088746] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.093773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.098626] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.104010] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 414.104082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.110942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.110948] Call Trace: [ 414.110966] dump_stack+0x244/0x39d [ 414.110989] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.117512] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.126814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.129372] syz-executor2 cpuset=syz2 mems_allowed=0 [ 414.133007] warn_alloc.cold.116+0xb7/0x1bd [ 414.163551] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.168411] ? lock_downgrade+0x900/0x900 [ 414.172573] ? trace_hardirqs_off+0xb8/0x310 [ 414.176992] ? trace_hardirqs_off+0xb8/0x310 [ 414.181415] __alloc_pages_slowpath+0x2651/0x2de0 [ 414.186292] ? warn_alloc+0x120/0x120 [ 414.190110] ? warn_alloc+0x120/0x120 [ 414.194428] ? warn_alloc+0x120/0x120 [ 414.198234] ? print_usage_bug+0xc0/0xc0 [ 414.202295] ? warn_alloc+0x120/0x120 [ 414.206105] ? print_usage_bug+0xc0/0xc0 [ 414.210166] ? warn_alloc+0x120/0x120 [ 414.213989] ? print_usage_bug+0xc0/0xc0 [ 414.218085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.223624] ? should_fail+0x22d/0xd01 [ 414.227526] ? print_usage_bug+0xc0/0xc0 [ 414.231590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.236699] ? __lock_acquire+0x62f/0x4c20 [ 414.240945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.246053] ? __lock_acquire+0x62f/0x4c20 [ 414.250285] ? should_fail+0x22d/0xd01 [ 414.254183] ? mark_held_locks+0x130/0x130 [ 414.258433] ? mark_held_locks+0x130/0x130 [ 414.262678] ? zap_class+0x640/0x640 [ 414.266400] ? mark_held_locks+0x130/0x130 [ 414.270637] ? mark_held_locks+0x130/0x130 [ 414.274877] ? zap_class+0x640/0x640 [ 414.278596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.284140] ? check_preemption_disabled+0x48/0x280 [ 414.289165] ? __lock_is_held+0xb5/0x140 [ 414.293232] __alloc_pages_nodemask+0xad8/0xea0 [ 414.297906] ? zap_class+0x640/0x640 [ 414.301631] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 414.306665] ? find_held_lock+0x36/0x1c0 [ 414.310736] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.315414] ? lock_downgrade+0x900/0x900 [ 414.319572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.325116] cache_grow_begin+0xa5/0x8c0 [ 414.329176] ? do_raw_spin_unlock+0xa7/0x330 [ 414.333596] fallback_alloc+0x204/0x2e0 [ 414.337578] ____cache_alloc_node+0x1c7/0x1e0 [ 414.342080] kmem_cache_alloc_node+0xe3/0x730 [ 414.346578] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.351174] __alloc_skb+0x119/0x770 [ 414.354886] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 414.360258] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.364670] ? lock_acquire+0x1ed/0x520 [ 414.368650] ? aoecmd_cfg+0x108/0x7f0 [ 414.372457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.377997] ? check_preemption_disabled+0x48/0x280 [ 414.383019] ? kasan_check_read+0x11/0x20 [ 414.387167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.392444] ? rcu_softirq_qs+0x20/0x20 [ 414.396432] new_skb+0x26/0x1c0 [ 414.399712] aoecmd_cfg+0x279/0x7f0 [ 414.403348] ? find_held_lock+0x36/0x1c0 [ 414.407417] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 414.411750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.417287] ? check_preemption_disabled+0x48/0x280 [ 414.422313] ? __lock_is_held+0xb5/0x140 [ 414.426413] discover_timer+0x50/0x60 [ 414.430216] call_timer_fn+0x272/0x920 [ 414.434116] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 414.438977] ? process_timeout+0x40/0x40 [ 414.443048] ? __run_timers+0x7da/0xc70 [ 414.447025] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.451523] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.456019] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 414.460861] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.465451] ? trace_hardirqs_on+0xbd/0x310 [ 414.469775] ? kasan_check_read+0x11/0x20 [ 414.473925] ? __run_timers+0x7da/0xc70 [ 414.477904] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.483029] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 414.487897] __run_timers+0x7e5/0xc70 [ 414.491712] ? timer_fixup_init+0x70/0x70 [ 414.495859] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.500357] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.504863] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.509448] ? trace_hardirqs_on+0xbd/0x310 [ 414.513773] ? kasan_check_read+0x11/0x20 [ 414.517934] ? finish_task_switch+0x1f4/0x910 [ 414.522433] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.527538] ? compat_start_thread+0x80/0x80 [ 414.531968] ? pvclock_read_flags+0x160/0x160 [ 414.536463] ? __switch_to_asm+0x34/0x70 [ 414.540530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.546074] ? check_preemption_disabled+0x48/0x280 [ 414.551102] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 414.556642] ? rcu_pm_notify+0xc0/0xc0 [ 414.560535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.566073] ? check_preemption_disabled+0x48/0x280 [ 414.571108] run_timer_softirq+0x52/0xb0 [ 414.575169] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.580185] __do_softirq+0x308/0xb7e [ 414.583992] ? retint_kernel+0x2d/0x2d [ 414.587884] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.592994] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.598445] ? retint_kernel+0x2d/0x2d [ 414.602344] ? schedule+0x108/0x460 [ 414.605984] ? trace_hardirqs_off+0xb8/0x310 [ 414.610404] ? smpboot_thread_fn+0x68b/0xa00 [ 414.614814] ? trace_hardirqs_on+0x310/0x310 [ 414.619228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.624767] ? check_preemption_disabled+0x48/0x280 [ 414.629783] ? takeover_tasklets+0xa90/0xa90 [ 414.634207] run_ksoftirqd+0x5e/0x100 [ 414.638013] smpboot_thread_fn+0x68b/0xa00 [ 414.642255] ? sort_range+0x30/0x30 [ 414.645881] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.650990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.656529] ? __kthread_parkme+0xfb/0x1a0 [ 414.660769] ? sort_range+0x30/0x30 [ 414.664408] kthread+0x35a/0x440 [ 414.667782] ? kthread_stop+0x900/0x900 [ 414.671757] ret_from_fork+0x3a/0x50 [ 414.675506] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 414.675511] warn_alloc_show_mem: 1 callbacks suppressed [ 414.675519] Mem-Info: [ 414.682874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.688243] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 414.688243] active_file:133 inactive_file:117 isolated_file:0 [ 414.688243] unevictable:0 dirty:3 writeback:0 unstable:0 [ 414.688243] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 414.688243] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 414.688243] free:13727 free_pcp:164 free_cma:0 [ 414.690616] Call Trace: [ 414.700004] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 414.733193] [ 414.735767] 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 [ 414.763522] dump_stack+0x244/0x39d [ 414.765646] lowmem_reserve[]: 0 2818 6321 6321 [ 414.791752] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.795357] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 414.799937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.805115] lowmem_reserve[]: 0 0 3503 3503 [ 414.832700] warn_alloc.cold.116+0xb7/0x1bd [ 414.838209] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 414.842522] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.846816] lowmem_reserve[]: 0 0 0 0 [ 414.876044] ? lock_downgrade+0x900/0x900 [ 414.880860] 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 [ 414.884656] ? trace_hardirqs_off+0xb8/0x310 [ 414.888775] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 414.902296] ? trace_hardirqs_off+0xb8/0x310 [ 414.906682] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 414.922028] __alloc_pages_slowpath+0x2651/0x2de0 [ 414.926429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 414.939961] ? warn_alloc+0x120/0x120 [ 414.944762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 414.953584] ? print_usage_bug+0xc0/0xc0 [ 414.957362] 2220 total pagecache pages [ 414.965933] ? warn_alloc+0x120/0x120 [ 414.969976] 0 pages in swap cache [ 414.973848] ? warn_alloc+0x120/0x120 [ 414.977631] Swap cache stats: add 0, delete 0, find 0/0 [ 414.981072] ? print_usage_bug+0xc0/0xc0 [ 414.984846] Free swap = 0kB [ 414.990200] ? print_usage_bug+0xc0/0xc0 [ 414.994237] Total swap = 0kB [ 414.997253] ? __lock_acquire+0x62f/0x4c20 [ 415.001288] 1965979 pages RAM [ 415.004304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.008512] 0 pages HighMem/MovableOnly [ 415.011616] ? should_fail+0x22d/0xd01 [ 415.017126] 342854 pages reserved [ 415.021088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.024981] 0 pages cma reserved [ 415.028431] ? __lock_acquire+0x62f/0x4c20 [ 415.033575] aoe: skb alloc failure [ 415.036878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.041142] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.044623] ? __lock_acquire+0x62f/0x4c20 [ 415.049706] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 415.060448] ? should_fail+0x22d/0xd01 [ 415.060464] ? find_held_lock+0x36/0x1c0 [ 415.077265] ? mark_held_locks+0x130/0x130 [ 415.081508] ? mark_held_locks+0x130/0x130 [ 415.085743] ? zap_class+0x640/0x640 [ 415.089461] ? zap_class+0x640/0x640 [ 415.093181] ? print_usage_bug+0xc0/0xc0 [ 415.097241] ? do_raw_spin_unlock+0xa7/0x330 [ 415.101652] ? zap_class+0x640/0x640 [ 415.105365] ? print_usage_bug+0xc0/0xc0 [ 415.109444] ? wq_watchdog_touch+0x9c/0xfe [ 415.113683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.119226] ? check_preemption_disabled+0x48/0x280 [ 415.124256] ? __lock_is_held+0xb5/0x140 [ 415.128323] __alloc_pages_nodemask+0xad8/0xea0 [ 415.132995] ? zap_class+0x640/0x640 [ 415.136715] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 415.141745] ? find_held_lock+0x36/0x1c0 [ 415.145817] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.150492] ? lock_downgrade+0x900/0x900 [ 415.154653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.160198] cache_grow_begin+0xa5/0x8c0 [ 415.164257] ? do_raw_spin_unlock+0xa7/0x330 [ 415.168674] fallback_alloc+0x204/0x2e0 [ 415.172658] ____cache_alloc_node+0x1c7/0x1e0 [ 415.177161] kmem_cache_alloc_node+0xe3/0x730 [ 415.181660] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.185908] __alloc_skb+0x119/0x770 [ 415.189622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.194903] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.199313] ? lock_downgrade+0x900/0x900 [ 415.203471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.209008] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.214466] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.219919] ? addrconf_rs_timer+0x690/0x690 [ 415.224342] ndisc_alloc_skb+0x144/0x340 [ 415.228460] ndisc_send_rs+0x331/0x6e0 [ 415.232384] addrconf_rs_timer+0x314/0x690 [ 415.236640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.240885] call_timer_fn+0x272/0x920 [ 415.244773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.249007] ? process_timeout+0x40/0x40 [ 415.253074] ? __run_timers+0x7da/0xc70 [ 415.257048] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.261559] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.266067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.270376] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.274994] ? trace_hardirqs_on+0xbd/0x310 [ 415.279320] ? kasan_check_read+0x11/0x20 [ 415.283466] ? __run_timers+0x7da/0xc70 [ 415.287446] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.292553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.296791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.301024] __run_timers+0x7e5/0xc70 [ 415.304835] ? timer_fixup_init+0x70/0x70 [ 415.308989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.314007] ? zap_class+0x640/0x640 [ 415.317729] ? enqueue_hrtimer+0x1a5/0x560 [ 415.321980] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.327172] ? find_held_lock+0x36/0x1c0 [ 415.331236] ? zap_class+0x640/0x640 [ 415.334957] ? pvclock_read_flags+0x160/0x160 [ 415.339456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.344998] ? check_preemption_disabled+0x48/0x280 [ 415.350041] ? __lock_is_held+0xb5/0x140 [ 415.354102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.359669] ? check_preemption_disabled+0x48/0x280 [ 415.364692] run_timer_softirq+0x52/0xb0 [ 415.368756] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.373775] __do_softirq+0x308/0xb7e [ 415.377578] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.382073] ? lock_downgrade+0x900/0x900 [ 415.386227] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.391352] ? pvclock_read_flags+0x160/0x160 [ 415.395849] ? lapic_next_event+0x5a/0x90 [ 415.399999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.405541] ? kvm_clock_read+0x18/0x30 [ 415.409520] ? kvm_sched_clock_read+0x9/0x20 [ 415.413933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.419474] ? check_preemption_disabled+0x48/0x280 [ 415.424542] irq_exit+0x17f/0x1c0 [ 415.428040] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.432875] ? smp_reschedule_interrupt+0x109/0x650 [ 415.437890] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.443775] ? interrupt_entry+0xb5/0xc0 [ 415.447837] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.452854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.457873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.462734] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.467750] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.472780] ? task_prio+0x50/0x50 [ 415.476377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.481967] ? check_preemption_disabled+0x48/0x280 [ 415.487008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.491877] apic_timer_interrupt+0xf/0x20 [ 415.496106] [ 415.498353] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.503282] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 415.522184] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 415.529892] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.537160] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 415.544432] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 415.551700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.558980] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 415.566291] skb_clone+0x1bb/0x500 [ 415.569835] ? skb_split+0x11e0/0x11e0 [ 415.573744] ? preempt_notifier_register+0x200/0x200 [ 415.578843] ? __switch_to_asm+0x34/0x70 [ 415.582903] ? __switch_to_asm+0x34/0x70 [ 415.586979] ? __switch_to_asm+0x40/0x70 [ 415.591039] ? __switch_to_asm+0x34/0x70 [ 415.595099] ? __switch_to_asm+0x40/0x70 [ 415.599158] ? __switch_to_asm+0x40/0x70 [ 415.603215] ? __switch_to_asm+0x34/0x70 [ 415.607274] ? __switch_to_asm+0x34/0x70 [ 415.611334] ? __switch_to_asm+0x40/0x70 [ 415.615404] ? __switch_to_asm+0x34/0x70 [ 415.619477] bpf_clone_redirect+0xb9/0x490 [ 415.623720] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 415.628740] ? __sched_text_start+0x8/0x8 [ 415.632888] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.637655] ? find_held_lock+0x36/0x1c0 [ 415.641730] ? lock_acquire+0x1ed/0x520 [ 415.645704] ? bpf_test_run+0x3ee/0x7a0 [ 415.649679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.655217] ? check_preemption_disabled+0x48/0x280 [ 415.660238] ? kasan_check_read+0x11/0x20 [ 415.664398] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.669700] ? rcu_softirq_qs+0x20/0x20 [ 415.673678] ? preempt_schedule+0x4d/0x60 [ 415.677830] ? ___preempt_schedule+0x16/0x18 [ 415.682245] ? bpf_test_run+0x271/0x7a0 [ 415.686233] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.690646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.696183] ? bpf_test_init.isra.10+0x70/0x100 [ 415.700864] ? bpf_prog_test_run_skb+0x762/0xd60 [ 415.705632] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 415.710482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.716035] ? fput+0x130/0x1a0 [ 415.719324] ? __bpf_prog_get+0x9b/0x290 [ 415.723401] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 415.728249] ? bpf_prog_test_run+0x130/0x1a0 [ 415.732660] ? __x64_sys_bpf+0x3d8/0x520 [ 415.736723] ? bpf_prog_get+0x20/0x20 [ 415.740546] ? do_syscall_64+0x1b9/0x820 [ 415.744607] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.749972] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.754905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.759756] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.764773] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.769794] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.774817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.779666] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.785050] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 415.785119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.791976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.791981] Call Trace: [ 415.792000] dump_stack+0x244/0x39d [ 415.792022] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.798547] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.807845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.810437] syz-executor2 cpuset=syz2 mems_allowed=0 [ 415.814063] warn_alloc.cold.116+0xb7/0x1bd [ 415.844631] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.849496] ? lock_downgrade+0x900/0x900 [ 415.853654] ? trace_hardirqs_off+0xb8/0x310 [ 415.858074] ? trace_hardirqs_off+0xb8/0x310 [ 415.862497] __alloc_pages_slowpath+0x2651/0x2de0 [ 415.867374] ? warn_alloc+0x120/0x120 [ 415.871193] ? warn_alloc+0x120/0x120 [ 415.875000] ? warn_alloc+0x120/0x120 [ 415.878804] ? print_usage_bug+0xc0/0xc0 [ 415.882869] ? print_usage_bug+0xc0/0xc0 [ 415.886936] ? mark_held_locks+0x130/0x130 [ 415.891175] ? mark_held_locks+0x130/0x130 [ 415.895420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.900960] ? should_fail+0x22d/0xd01 [ 415.904846] ? zap_class+0x640/0x640 [ 415.908565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.913669] ? __lock_acquire+0x62f/0x4c20 [ 415.917929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.923044] ? __lock_acquire+0x62f/0x4c20 [ 415.927274] ? should_fail+0x22d/0xd01 [ 415.931171] ? mark_held_locks+0x130/0x130 [ 415.935418] ? mark_held_locks+0x130/0x130 [ 415.939654] ? lock_downgrade+0x900/0x900 [ 415.943806] ? zap_class+0x640/0x640 [ 415.947525] ? zap_class+0x640/0x640 [ 415.951241] ? do_raw_spin_unlock+0xa7/0x330 [ 415.955657] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.960419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.965959] ? check_preemption_disabled+0x48/0x280 [ 415.970987] ? __lock_is_held+0xb5/0x140 [ 415.975053] __alloc_pages_nodemask+0xad8/0xea0 [ 415.979723] ? zap_class+0x640/0x640 [ 415.983446] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 415.988476] ? find_held_lock+0x36/0x1c0 [ 415.992578] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.997247] ? lock_downgrade+0x900/0x900 [ 416.001426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.006974] cache_grow_begin+0xa5/0x8c0 [ 416.011049] ? do_raw_spin_unlock+0xa7/0x330 [ 416.015465] fallback_alloc+0x204/0x2e0 [ 416.019453] ____cache_alloc_node+0x1c7/0x1e0 [ 416.023956] kmem_cache_alloc_node+0xe3/0x730 [ 416.028468] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.033063] __alloc_skb+0x119/0x770 [ 416.036775] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.042157] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.046572] ? vprintk_default+0x28/0x30 [ 416.050638] ? vprintk_func+0x85/0x181 [ 416.054527] ? printk+0xa7/0xcf [ 416.057814] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 416.062744] new_skb+0x26/0x1c0 [ 416.066031] aoecmd_cfg+0x279/0x7f0 [ 416.069662] ? find_held_lock+0x36/0x1c0 [ 416.073727] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 416.078057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.083606] ? __lock_is_held+0xb5/0x140 [ 416.087684] discover_timer+0x50/0x60 [ 416.091485] call_timer_fn+0x272/0x920 [ 416.095378] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.100232] ? process_timeout+0x40/0x40 [ 416.104304] ? __run_timers+0x7da/0xc70 [ 416.108279] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.112776] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.117272] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.122115] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.126700] ? trace_hardirqs_on+0xbd/0x310 [ 416.131023] ? kasan_check_read+0x11/0x20 [ 416.135173] ? __run_timers+0x7da/0xc70 [ 416.139154] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.144273] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.149115] __run_timers+0x7e5/0xc70 [ 416.152931] ? timer_fixup_init+0x70/0x70 [ 416.157079] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.161573] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.166074] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.170661] ? trace_hardirqs_on+0xbd/0x310 [ 416.174981] ? kasan_check_read+0x11/0x20 [ 416.179169] ? finish_task_switch+0x1f4/0x910 [ 416.183664] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.188773] ? compat_start_thread+0x80/0x80 [ 416.193753] ? pvclock_read_flags+0x160/0x160 [ 416.198246] ? __switch_to_asm+0x34/0x70 [ 416.202340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.207882] ? check_preemption_disabled+0x48/0x280 [ 416.212923] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 416.218465] ? rcu_pm_notify+0xc0/0xc0 [ 416.222355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.227910] ? check_preemption_disabled+0x48/0x280 [ 416.232954] run_timer_softirq+0x52/0xb0 [ 416.237014] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.242032] __do_softirq+0x308/0xb7e [ 416.245841] ? retint_kernel+0x2d/0x2d [ 416.249736] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.254840] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.260306] ? retint_kernel+0x2d/0x2d [ 416.264199] ? schedule+0x108/0x460 [ 416.267835] ? trace_hardirqs_off+0xb8/0x310 [ 416.272243] ? smpboot_thread_fn+0x68b/0xa00 [ 416.276656] ? trace_hardirqs_on+0x310/0x310 [ 416.281066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.286603] ? check_preemption_disabled+0x48/0x280 [ 416.291625] ? takeover_tasklets+0xa90/0xa90 [ 416.296035] run_ksoftirqd+0x5e/0x100 [ 416.299835] smpboot_thread_fn+0x68b/0xa00 [ 416.304072] ? sort_range+0x30/0x30 [ 416.307702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.312811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.318350] ? __kthread_parkme+0xfb/0x1a0 [ 416.322587] ? sort_range+0x30/0x30 [ 416.326216] kthread+0x35a/0x440 [ 416.329584] ? kthread_stop+0x900/0x900 [ 416.333563] ret_from_fork+0x3a/0x50 [ 416.337290] warn_alloc_show_mem: 1 callbacks suppressed [ 416.337303] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 416.337305] Mem-Info: [ 416.337338] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 416.337338] active_file:133 inactive_file:117 isolated_file:0 [ 416.337338] unevictable:0 dirty:3 writeback:0 unstable:0 [ 416.337338] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 416.337338] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 416.337338] free:13727 free_pcp:164 free_cma:0 [ 416.342672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.350038] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 416.352440] Call Trace: [ 416.385650] 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 [ 416.395007] [ 416.422744] lowmem_reserve[]: 0 2818 6321 6321 [ 416.425326] dump_stack+0x244/0x39d [ 416.451423] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 416.453569] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.458127] lowmem_reserve[]: 0 0 3503 3503 [ 416.461754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.489313] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 416.494532] warn_alloc.cold.116+0xb7/0x1bd [ 416.498821] lowmem_reserve[]: 0 0 0 0 [ 416.504350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.533557] 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 [ 416.537890] ? lock_downgrade+0x900/0x900 [ 416.541682] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 416.546522] ? trace_hardirqs_off+0xb8/0x310 [ 416.560016] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 416.564163] ? trace_hardirqs_off+0xb8/0x310 [ 416.579492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.583889] __alloc_pages_slowpath+0x2651/0x2de0 [ 416.597399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.601823] ? warn_alloc+0x120/0x120 [ 416.610613] 2220 total pagecache pages [ 416.615448] ? print_usage_bug+0xc0/0xc0 [ 416.623999] 0 pages in swap cache [ 416.627784] ? warn_alloc+0x120/0x120 [ 416.631651] Swap cache stats: add 0, delete 0, find 0/0 [ 416.635700] ? warn_alloc+0x120/0x120 [ 416.639127] Free swap = 0kB [ 416.642924] ? print_usage_bug+0xc0/0xc0 [ 416.648271] Total swap = 0kB [ 416.652069] ? print_usage_bug+0xc0/0xc0 [ 416.655061] 1965979 pages RAM [ 416.659114] ? __lock_acquire+0x62f/0x4c20 [ 416.662110] 0 pages HighMem/MovableOnly [ 416.666163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.669247] 342854 pages reserved [ 416.673478] ? should_fail+0x22d/0xd01 [ 416.677428] 0 pages cma reserved [ 416.682957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.686491] aoe: skb alloc failure [ 416.690303] ? __lock_acquire+0x62f/0x4c20 [ 416.690323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.690340] ? __lock_acquire+0x62f/0x4c20 [ 416.693717] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.698783] ? should_fail+0x22d/0xd01 [ 416.702297] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 416.706537] ? find_held_lock+0x36/0x1c0 [ 416.738711] ? mark_held_locks+0x130/0x130 [ 416.742955] ? mark_held_locks+0x130/0x130 [ 416.747187] ? zap_class+0x640/0x640 [ 416.750904] ? zap_class+0x640/0x640 [ 416.754623] ? print_usage_bug+0xc0/0xc0 [ 416.758687] ? do_raw_spin_unlock+0xa7/0x330 [ 416.763100] ? zap_class+0x640/0x640 [ 416.766813] ? print_usage_bug+0xc0/0xc0 [ 416.770872] ? wq_watchdog_touch+0x9c/0xfe [ 416.775112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.780653] ? check_preemption_disabled+0x48/0x280 [ 416.785681] ? __lock_is_held+0xb5/0x140 [ 416.789748] __alloc_pages_nodemask+0xad8/0xea0 [ 416.794430] ? zap_class+0x640/0x640 [ 416.798160] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 416.803198] ? find_held_lock+0x36/0x1c0 [ 416.807269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.811988] ? lock_downgrade+0x900/0x900 [ 416.816148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.821689] cache_grow_begin+0xa5/0x8c0 [ 416.825762] ? do_raw_spin_unlock+0xa7/0x330 [ 416.830182] fallback_alloc+0x204/0x2e0 [ 416.834163] ____cache_alloc_node+0x1c7/0x1e0 [ 416.838664] kmem_cache_alloc_node+0xe3/0x730 [ 416.843164] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.847421] __alloc_skb+0x119/0x770 [ 416.851151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.856437] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.860846] ? lock_downgrade+0x900/0x900 [ 416.865001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.870539] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.875996] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.881448] ? addrconf_rs_timer+0x690/0x690 [ 416.885868] ndisc_alloc_skb+0x144/0x340 [ 416.889934] ndisc_send_rs+0x331/0x6e0 [ 416.893838] addrconf_rs_timer+0x314/0x690 [ 416.898077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.902341] call_timer_fn+0x272/0x920 [ 416.906247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.910480] ? process_timeout+0x40/0x40 [ 416.914549] ? __run_timers+0x7da/0xc70 [ 416.918526] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.923020] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.927514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.931752] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.936336] ? trace_hardirqs_on+0xbd/0x310 [ 416.940658] ? kasan_check_read+0x11/0x20 [ 416.944820] ? __run_timers+0x7da/0xc70 [ 416.948797] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.953933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.958177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.962437] __run_timers+0x7e5/0xc70 [ 416.966261] ? timer_fixup_init+0x70/0x70 [ 416.970423] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.975451] ? zap_class+0x640/0x640 [ 416.979169] ? enqueue_hrtimer+0x1a5/0x560 [ 416.983419] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.988618] ? find_held_lock+0x36/0x1c0 [ 416.992689] ? zap_class+0x640/0x640 [ 416.996421] ? pvclock_read_flags+0x160/0x160 [ 417.000925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.006511] ? check_preemption_disabled+0x48/0x280 [ 417.011542] ? __lock_is_held+0xb5/0x140 [ 417.015603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.021139] ? check_preemption_disabled+0x48/0x280 [ 417.026161] run_timer_softirq+0x52/0xb0 [ 417.030222] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.035239] __do_softirq+0x308/0xb7e [ 417.039048] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.043543] ? lock_downgrade+0x900/0x900 [ 417.047695] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.052838] ? pvclock_read_flags+0x160/0x160 [ 417.057341] ? lapic_next_event+0x5a/0x90 [ 417.061958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.067501] ? kvm_clock_read+0x18/0x30 [ 417.071489] ? kvm_sched_clock_read+0x9/0x20 [ 417.075917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.081470] ? check_preemption_disabled+0x48/0x280 [ 417.086494] irq_exit+0x17f/0x1c0 [ 417.089951] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.094792] ? smp_reschedule_interrupt+0x109/0x650 [ 417.099811] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.105699] ? interrupt_entry+0xb5/0xc0 [ 417.109761] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.114795] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.119812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.124662] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.129683] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.134697] ? task_prio+0x50/0x50 [ 417.138241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.143781] ? check_preemption_disabled+0x48/0x280 [ 417.148801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.153652] apic_timer_interrupt+0xf/0x20 [ 417.157880] [ 417.160137] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 417.165070] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 417.183967] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 417.191672] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 417.198942] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 417.206208] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 417.213478] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 417.220747] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 417.228051] skb_clone+0x1bb/0x500 [ 417.231593] ? skb_split+0x11e0/0x11e0 [ 417.235516] ? preempt_notifier_register+0x200/0x200 [ 417.240621] ? __switch_to_asm+0x34/0x70 [ 417.244683] ? __switch_to_asm+0x34/0x70 [ 417.248740] ? __switch_to_asm+0x40/0x70 [ 417.252797] ? __switch_to_asm+0x34/0x70 [ 417.256857] ? __switch_to_asm+0x40/0x70 [ 417.260916] ? __switch_to_asm+0x40/0x70 [ 417.264978] ? __switch_to_asm+0x34/0x70 [ 417.269070] ? __switch_to_asm+0x34/0x70 [ 417.273143] ? __switch_to_asm+0x40/0x70 [ 417.277205] ? __switch_to_asm+0x34/0x70 [ 417.281273] bpf_clone_redirect+0xb9/0x490 [ 417.285517] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 417.290535] ? __sched_text_start+0x8/0x8 [ 417.294689] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.299464] ? find_held_lock+0x36/0x1c0 [ 417.303539] ? lock_acquire+0x1ed/0x520 [ 417.307519] ? bpf_test_run+0x3ee/0x7a0 [ 417.311495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.317047] ? check_preemption_disabled+0x48/0x280 [ 417.322068] ? kasan_check_read+0x11/0x20 [ 417.326218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.331497] ? rcu_softirq_qs+0x20/0x20 [ 417.335476] ? preempt_schedule+0x4d/0x60 [ 417.339625] ? ___preempt_schedule+0x16/0x18 [ 417.344054] ? bpf_test_run+0x271/0x7a0 [ 417.348041] ? netlink_diag_dump+0x2a0/0x2a0 [ 417.352473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.358033] ? bpf_test_init.isra.10+0x70/0x100 [ 417.362711] ? bpf_prog_test_run_skb+0x762/0xd60 [ 417.367476] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 417.372327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.377865] ? fput+0x130/0x1a0 [ 417.381150] ? __bpf_prog_get+0x9b/0x290 [ 417.385217] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 417.390060] ? bpf_prog_test_run+0x130/0x1a0 [ 417.394471] ? __x64_sys_bpf+0x3d8/0x520 [ 417.398533] ? bpf_prog_get+0x20/0x20 [ 417.402357] ? do_syscall_64+0x1b9/0x820 [ 417.406434] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 417.411803] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.416732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.421580] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.426597] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 417.431618] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.436642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.441492] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.446873] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 417.446955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.453817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.453822] Call Trace: [ 417.453840] dump_stack+0x244/0x39d [ 417.453862] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.460433] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.469686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.472244] syz-executor2 cpuset=syz2 mems_allowed=0 [ 417.475873] warn_alloc.cold.116+0xb7/0x1bd [ 417.506432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.511283] ? lock_downgrade+0x900/0x900 [ 417.515446] ? trace_hardirqs_off+0xb8/0x310 [ 417.519866] ? trace_hardirqs_off+0xb8/0x310 [ 417.524288] __alloc_pages_slowpath+0x2651/0x2de0 [ 417.529163] ? warn_alloc+0x120/0x120 [ 417.532993] ? warn_alloc+0x120/0x120 [ 417.536800] ? warn_alloc+0x120/0x120 [ 417.540604] ? print_usage_bug+0xc0/0xc0 [ 417.544671] ? print_usage_bug+0xc0/0xc0 [ 417.548739] ? mark_held_locks+0x130/0x130 [ 417.552980] ? mark_held_locks+0x130/0x130 [ 417.557217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.562758] ? should_fail+0x22d/0xd01 [ 417.566648] ? zap_class+0x640/0x640 [ 417.570368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.575481] ? __lock_acquire+0x62f/0x4c20 [ 417.579720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.584823] ? __lock_acquire+0x62f/0x4c20 [ 417.589057] ? should_fail+0x22d/0xd01 [ 417.592956] ? mark_held_locks+0x130/0x130 [ 417.597196] ? mark_held_locks+0x130/0x130 [ 417.601430] ? lock_downgrade+0x900/0x900 [ 417.605587] ? zap_class+0x640/0x640 [ 417.609304] ? zap_class+0x640/0x640 [ 417.613019] ? zap_class+0x640/0x640 [ 417.616730] ? do_raw_spin_unlock+0xa7/0x330 [ 417.621138] ? trace_hardirqs_on+0x310/0x310 [ 417.625548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.631092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.636631] ? check_preemption_disabled+0x48/0x280 [ 417.641664] ? __lock_is_held+0xb5/0x140 [ 417.645733] __alloc_pages_nodemask+0xad8/0xea0 [ 417.650413] ? zap_class+0x640/0x640 [ 417.654135] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 417.659163] ? find_held_lock+0x36/0x1c0 [ 417.663231] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.667911] ? lock_downgrade+0x900/0x900 [ 417.672072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.677614] cache_grow_begin+0xa5/0x8c0 [ 417.681676] ? do_raw_spin_unlock+0xa7/0x330 [ 417.686093] fallback_alloc+0x204/0x2e0 [ 417.690080] ____cache_alloc_node+0x1c7/0x1e0 [ 417.694586] kmem_cache_alloc_node+0xe3/0x730 [ 417.699085] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.703677] __alloc_skb+0x119/0x770 [ 417.707398] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.712770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.717185] ? vprintk_default+0x28/0x30 [ 417.721260] ? vprintk_func+0x85/0x181 [ 417.725151] ? printk+0xa7/0xcf [ 417.728435] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 417.733204] new_skb+0x26/0x1c0 [ 417.736485] aoecmd_cfg+0x279/0x7f0 [ 417.740116] ? find_held_lock+0x36/0x1c0 [ 417.744221] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 417.748565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.754127] ? __lock_is_held+0xb5/0x140 [ 417.758215] discover_timer+0x50/0x60 [ 417.762014] call_timer_fn+0x272/0x920 [ 417.765905] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 417.770753] ? process_timeout+0x40/0x40 [ 417.774821] ? __run_timers+0x7da/0xc70 [ 417.778801] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.783295] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.787792] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 417.792634] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.797223] ? trace_hardirqs_on+0xbd/0x310 [ 417.801544] ? kasan_check_read+0x11/0x20 [ 417.805691] ? __run_timers+0x7da/0xc70 [ 417.809666] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.814786] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 417.819631] __run_timers+0x7e5/0xc70 [ 417.823444] ? timer_fixup_init+0x70/0x70 [ 417.827597] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.832093] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.836588] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.841171] ? trace_hardirqs_on+0xbd/0x310 [ 417.845493] ? kasan_check_read+0x11/0x20 [ 417.849644] ? finish_task_switch+0x1f4/0x910 [ 417.854139] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.859257] ? compat_start_thread+0x80/0x80 [ 417.863687] ? pvclock_read_flags+0x160/0x160 [ 417.868179] ? __switch_to_asm+0x34/0x70 [ 417.872239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.877780] ? check_preemption_disabled+0x48/0x280 [ 417.882820] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 417.888375] ? rcu_pm_notify+0xc0/0xc0 [ 417.892269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.897821] ? check_preemption_disabled+0x48/0x280 [ 417.902872] run_timer_softirq+0x52/0xb0 [ 417.906938] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.911959] __do_softirq+0x308/0xb7e [ 417.915790] ? retint_kernel+0x2d/0x2d [ 417.919686] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.924791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.930239] ? retint_kernel+0x2d/0x2d [ 417.934134] ? schedule+0x108/0x460 [ 417.937771] ? trace_hardirqs_off+0xb8/0x310 [ 417.942211] ? smpboot_thread_fn+0x68b/0xa00 [ 417.946620] ? trace_hardirqs_on+0x310/0x310 [ 417.951031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.956572] ? check_preemption_disabled+0x48/0x280 [ 417.961593] ? takeover_tasklets+0xa90/0xa90 [ 417.966006] run_ksoftirqd+0x5e/0x100 [ 417.969811] smpboot_thread_fn+0x68b/0xa00 [ 417.974048] ? sort_range+0x30/0x30 [ 417.977676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.982797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.988331] ? __kthread_parkme+0xfb/0x1a0 [ 417.992585] ? sort_range+0x30/0x30 [ 417.996215] kthread+0x35a/0x440 [ 417.999585] ? kthread_stop+0x900/0x900 [ 418.003561] ret_from_fork+0x3a/0x50 [ 418.007289] warn_alloc_show_mem: 1 callbacks suppressed [ 418.007302] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 418.007303] Mem-Info: [ 418.007350] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 418.007350] active_file:133 inactive_file:117 isolated_file:0 [ 418.007350] unevictable:0 dirty:3 writeback:0 unstable:0 [ 418.007350] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 418.007350] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 418.007350] free:13727 free_pcp:164 free_cma:0 [ 418.012679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.012688] Call Trace: [ 418.020070] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 418.022468] [ 418.055678] 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 [ 418.065029] dump_stack+0x244/0x39d [ 418.067587] lowmem_reserve[]: 0 2818 6321 6321 [ 418.095343] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.097475] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 418.123578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.127182] lowmem_reserve[]: 0 0 3503 3503 [ 418.131763] warn_alloc.cold.116+0xb7/0x1bd [ 418.136931] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 418.164511] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.170020] lowmem_reserve[]: 0 0 0 0 [ 418.174340] ? lock_downgrade+0x900/0x900 [ 418.178637] 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 [ 418.208053] ? trace_hardirqs_off+0xb8/0x310 [ 418.212869] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 418.216665] ? trace_hardirqs_off+0xb8/0x310 [ 418.220791] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 418.234313] __alloc_pages_slowpath+0x2651/0x2de0 [ 418.238698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.254049] ? warn_alloc+0x120/0x120 [ 418.258430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.271939] ? print_usage_bug+0xc0/0xc0 [ 418.276761] 2220 total pagecache pages [ 418.285590] ? warn_alloc+0x120/0x120 [ 418.289473] 0 pages in swap cache [ 418.298073] ? warn_alloc+0x120/0x120 [ 418.302118] Swap cache stats: add 0, delete 0, find 0/0 [ 418.305997] ? print_usage_bug+0xc0/0xc0 [ 418.309774] Free swap = 0kB [ 418.313223] ? kvm_clock_read+0x18/0x30 [ 418.316997] Total swap = 0kB [ 418.322357] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.326399] 1965979 pages RAM [ 418.329430] ? print_usage_bug+0xc0/0xc0 [ 418.333375] 0 pages HighMem/MovableOnly [ 418.336406] ? __lock_acquire+0x62f/0x4c20 [ 418.341403] 342854 pages reserved [ 418.344509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.348548] 0 pages cma reserved [ 418.352523] ? should_fail+0x22d/0xd01 [ 418.356805] aoe: skb alloc failure [ 418.360177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.360196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.360213] ? __lock_acquire+0x62f/0x4c20 [ 418.365757] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.369094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.372958] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 418.376506] ? __lock_acquire+0x62f/0x4c20 [ 418.415344] ? should_fail+0x22d/0xd01 [ 418.419229] ? rcu_irq_exit+0x1a2/0x390 [ 418.423214] ? mark_held_locks+0x130/0x130 [ 418.427456] ? mark_held_locks+0x130/0x130 [ 418.431696] ? mark_held_locks+0xc7/0x130 [ 418.435846] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 418.440862] ? zap_class+0x640/0x640 [ 418.444595] ? print_usage_bug+0xc0/0xc0 [ 418.448677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.454213] ? check_preemption_disabled+0x48/0x280 [ 418.459238] ? __lock_is_held+0xb5/0x140 [ 418.463309] __alloc_pages_nodemask+0xad8/0xea0 [ 418.467995] ? zap_class+0x640/0x640 [ 418.471715] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 418.476742] ? find_held_lock+0x36/0x1c0 [ 418.480814] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.485488] ? lock_downgrade+0x900/0x900 [ 418.489643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.495184] cache_grow_begin+0xa5/0x8c0 [ 418.499245] ? do_raw_spin_unlock+0xa7/0x330 [ 418.503661] fallback_alloc+0x204/0x2e0 [ 418.507646] ____cache_alloc_node+0x1c7/0x1e0 [ 418.512146] kmem_cache_alloc_node+0xe3/0x730 [ 418.516641] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.520885] __alloc_skb+0x119/0x770 [ 418.524595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.529877] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.534289] ? lock_downgrade+0x900/0x900 [ 418.538448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.543984] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.549442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.554896] ? addrconf_rs_timer+0x690/0x690 [ 418.559317] ndisc_alloc_skb+0x144/0x340 [ 418.563385] ndisc_send_rs+0x331/0x6e0 [ 418.567291] addrconf_rs_timer+0x314/0x690 [ 418.571536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.575780] call_timer_fn+0x272/0x920 [ 418.579672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.583907] ? process_timeout+0x40/0x40 [ 418.587983] ? __run_timers+0x7da/0xc70 [ 418.591961] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.596458] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.600953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.605190] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.609774] ? trace_hardirqs_on+0xbd/0x310 [ 418.614098] ? kasan_check_read+0x11/0x20 [ 418.618241] ? __run_timers+0x7da/0xc70 [ 418.622221] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.627486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.631730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.635966] __run_timers+0x7e5/0xc70 [ 418.639788] ? timer_fixup_init+0x70/0x70 [ 418.643933] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.648948] ? zap_class+0x640/0x640 [ 418.652696] ? enqueue_hrtimer+0x1a5/0x560 [ 418.656935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.662146] ? find_held_lock+0x36/0x1c0 [ 418.666211] ? zap_class+0x640/0x640 [ 418.669927] ? pvclock_read_flags+0x160/0x160 [ 418.674435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.679976] ? check_preemption_disabled+0x48/0x280 [ 418.685020] ? __lock_is_held+0xb5/0x140 [ 418.689083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.694621] ? check_preemption_disabled+0x48/0x280 [ 418.699641] run_timer_softirq+0x52/0xb0 [ 418.703701] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.708719] __do_softirq+0x308/0xb7e [ 418.712523] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.717015] ? lock_downgrade+0x900/0x900 [ 418.721167] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.726280] ? pvclock_read_flags+0x160/0x160 [ 418.730778] ? lapic_next_event+0x5a/0x90 [ 418.734928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.740470] ? kvm_clock_read+0x18/0x30 [ 418.744450] ? kvm_sched_clock_read+0x9/0x20 [ 418.748859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.754407] ? check_preemption_disabled+0x48/0x280 [ 418.759462] irq_exit+0x17f/0x1c0 [ 418.762919] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.767786] ? smp_reschedule_interrupt+0x109/0x650 [ 418.772804] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.778688] ? interrupt_entry+0xb5/0xc0 [ 418.782765] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.787781] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.792802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.797661] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.802677] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.807691] ? task_prio+0x50/0x50 [ 418.811237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.816777] ? check_preemption_disabled+0x48/0x280 [ 418.821798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.826652] apic_timer_interrupt+0xf/0x20 [ 418.830881] [ 418.833147] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.838110] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 418.857006] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 418.864725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.871992] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 418.879257] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 418.886521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.893796] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 418.901108] skb_clone+0x1bb/0x500 [ 418.904654] ? skb_split+0x11e0/0x11e0 [ 418.908546] ? preempt_notifier_register+0x200/0x200 [ 418.913649] ? __switch_to_asm+0x34/0x70 [ 418.917712] ? __switch_to_asm+0x34/0x70 [ 418.921771] ? __switch_to_asm+0x40/0x70 [ 418.925829] ? __switch_to_asm+0x34/0x70 [ 418.929886] ? __switch_to_asm+0x40/0x70 [ 418.933948] ? __switch_to_asm+0x40/0x70 [ 418.938005] ? __switch_to_asm+0x34/0x70 [ 418.942063] ? __switch_to_asm+0x34/0x70 [ 418.946119] ? __switch_to_asm+0x40/0x70 [ 418.950176] ? __switch_to_asm+0x34/0x70 [ 418.954244] bpf_clone_redirect+0xb9/0x490 [ 418.958486] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 418.963510] ? __sched_text_start+0x8/0x8 [ 418.967656] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.972440] ? find_held_lock+0x36/0x1c0 [ 418.976510] ? lock_acquire+0x1ed/0x520 [ 418.980485] ? bpf_test_run+0x3ee/0x7a0 [ 418.984463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.990002] ? check_preemption_disabled+0x48/0x280 [ 418.995044] ? kasan_check_read+0x11/0x20 [ 418.999195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.004473] ? rcu_softirq_qs+0x20/0x20 [ 419.008455] ? preempt_schedule+0x4d/0x60 [ 419.012603] ? ___preempt_schedule+0x16/0x18 [ 419.017020] ? bpf_test_run+0x271/0x7a0 [ 419.021008] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.025430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.030969] ? bpf_test_init.isra.10+0x70/0x100 [ 419.035660] ? bpf_prog_test_run_skb+0x762/0xd60 [ 419.040442] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.045291] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.050841] ? fput+0x130/0x1a0 [ 419.054126] ? __bpf_prog_get+0x9b/0x290 [ 419.058193] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.063515] ? bpf_prog_test_run+0x130/0x1a0 [ 419.067931] ? __x64_sys_bpf+0x3d8/0x520 [ 419.071992] ? bpf_prog_get+0x20/0x20 [ 419.075900] ? do_syscall_64+0x1b9/0x820 [ 419.079958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.085321] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.090248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.095096] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.100116] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.105133] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.110170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.115035] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.120463] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 419.120531] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.127387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.127404] Call Trace: [ 419.133998] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.143252] dump_stack+0x244/0x39d [ 419.145845] syz-executor2 cpuset=syz2 mems_allowed=0 [ 419.156336] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.170209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.175759] warn_alloc.cold.116+0xb7/0x1bd [ 419.180084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.184967] ? lock_downgrade+0x900/0x900 [ 419.189152] ? trace_hardirqs_off+0xb8/0x310 [ 419.193569] ? trace_hardirqs_off+0xb8/0x310 [ 419.197986] __alloc_pages_slowpath+0x2651/0x2de0 [ 419.202875] ? warn_alloc+0x120/0x120 [ 419.206689] ? warn_alloc+0x120/0x120 [ 419.210501] ? warn_alloc+0x120/0x120 [ 419.214306] ? print_usage_bug+0xc0/0xc0 [ 419.218370] ? print_usage_bug+0xc0/0xc0 [ 419.222439] ? mark_held_locks+0x130/0x130 [ 419.226690] ? mark_held_locks+0x130/0x130 [ 419.230932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.236498] ? should_fail+0x22d/0xd01 [ 419.240383] ? zap_class+0x640/0x640 [ 419.244126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.249248] ? __lock_acquire+0x62f/0x4c20 [ 419.253488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.258589] ? __lock_acquire+0x62f/0x4c20 [ 419.262823] ? should_fail+0x22d/0xd01 [ 419.266723] ? mark_held_locks+0x130/0x130 [ 419.270968] ? mark_held_locks+0x130/0x130 [ 419.275205] ? lock_downgrade+0x900/0x900 [ 419.279353] ? zap_class+0x640/0x640 [ 419.283067] ? zap_class+0x640/0x640 [ 419.286784] ? zap_class+0x640/0x640 [ 419.290501] ? do_raw_spin_unlock+0xa7/0x330 [ 419.294947] ? trace_hardirqs_on+0x310/0x310 [ 419.299371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.304942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.310496] ? check_preemption_disabled+0x48/0x280 [ 419.315523] ? __lock_is_held+0xb5/0x140 [ 419.319589] __alloc_pages_nodemask+0xad8/0xea0 [ 419.324270] ? zap_class+0x640/0x640 [ 419.327994] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 419.333026] ? find_held_lock+0x36/0x1c0 [ 419.337100] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.341768] ? lock_downgrade+0x900/0x900 [ 419.345930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.351497] cache_grow_begin+0xa5/0x8c0 [ 419.355561] ? do_raw_spin_unlock+0xa7/0x330 [ 419.359976] fallback_alloc+0x204/0x2e0 [ 419.363962] ____cache_alloc_node+0x1c7/0x1e0 [ 419.368467] kmem_cache_alloc_node+0xe3/0x730 [ 419.372961] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.377552] __alloc_skb+0x119/0x770 [ 419.381269] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.386666] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.391084] ? vprintk_default+0x28/0x30 [ 419.395147] ? vprintk_func+0x85/0x181 [ 419.399034] ? printk+0xa7/0xcf [ 419.402342] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 419.407108] new_skb+0x26/0x1c0 [ 419.410398] aoecmd_cfg+0x279/0x7f0 [ 419.414027] ? find_held_lock+0x36/0x1c0 [ 419.418107] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 419.422436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.427985] ? __lock_is_held+0xb5/0x140 [ 419.432059] discover_timer+0x50/0x60 [ 419.435858] call_timer_fn+0x272/0x920 [ 419.439745] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 419.444592] ? process_timeout+0x40/0x40 [ 419.448664] ? __run_timers+0x7da/0xc70 [ 419.452646] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.457142] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.461644] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 419.466490] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.471072] ? trace_hardirqs_on+0xbd/0x310 [ 419.475458] ? kasan_check_read+0x11/0x20 [ 419.479619] ? __run_timers+0x7da/0xc70 [ 419.483599] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.488716] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 419.493558] __run_timers+0x7e5/0xc70 [ 419.497369] ? timer_fixup_init+0x70/0x70 [ 419.501528] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.506023] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.510520] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.515106] ? trace_hardirqs_on+0xbd/0x310 [ 419.519433] ? kasan_check_read+0x11/0x20 [ 419.523584] ? finish_task_switch+0x1f4/0x910 [ 419.528093] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.533199] ? compat_start_thread+0x80/0x80 [ 419.537630] ? pvclock_read_flags+0x160/0x160 [ 419.542137] ? __switch_to_asm+0x34/0x70 [ 419.546198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.551739] ? check_preemption_disabled+0x48/0x280 [ 419.556769] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 419.562309] ? rcu_pm_notify+0xc0/0xc0 [ 419.566220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.571764] ? check_preemption_disabled+0x48/0x280 [ 419.576789] run_timer_softirq+0x52/0xb0 [ 419.580849] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.585882] __do_softirq+0x308/0xb7e [ 419.589703] ? retint_kernel+0x2d/0x2d [ 419.593595] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.598700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.604169] ? retint_kernel+0x2d/0x2d [ 419.608080] ? schedule+0x108/0x460 [ 419.611721] ? trace_hardirqs_off+0xb8/0x310 [ 419.616143] ? smpboot_thread_fn+0x68b/0xa00 [ 419.620551] ? trace_hardirqs_on+0x310/0x310 [ 419.624962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.630501] ? check_preemption_disabled+0x48/0x280 [ 419.635548] ? takeover_tasklets+0xa90/0xa90 [ 419.639979] run_ksoftirqd+0x5e/0x100 [ 419.643807] smpboot_thread_fn+0x68b/0xa00 [ 419.648059] ? sort_range+0x30/0x30 [ 419.651686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.656789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.662329] ? __kthread_parkme+0xfb/0x1a0 [ 419.666571] ? sort_range+0x30/0x30 [ 419.670201] kthread+0x35a/0x440 [ 419.673574] ? kthread_stop+0x900/0x900 [ 419.677549] ret_from_fork+0x3a/0x50 [ 419.681290] warn_alloc_show_mem: 1 callbacks suppressed [ 419.681302] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 419.681304] Mem-Info: [ 419.681337] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 419.681337] active_file:133 inactive_file:117 isolated_file:0 [ 419.681337] unevictable:0 dirty:3 writeback:0 unstable:0 [ 419.681337] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 419.681337] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 419.681337] free:13727 free_pcp:164 free_cma:0 [ 419.686668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.694030] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 419.696432] Call Trace: [ 419.729645] 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 [ 419.738997] [ 419.766734] lowmem_reserve[]: 0 2818 6321 6321 [ 419.769316] dump_stack+0x244/0x39d [ 419.795405] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 419.797559] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.802112] lowmem_reserve[]: 0 0 3503 3503 [ 419.805735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.833293] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 419.838479] warn_alloc.cold.116+0xb7/0x1bd [ 419.842773] lowmem_reserve[]: 0 0 0 0 [ 419.848304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.877511] 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 [ 419.881826] ? lock_downgrade+0x900/0x900 [ 419.885604] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 419.890460] ? trace_hardirqs_off+0xb8/0x310 [ 419.903966] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 419.908108] ? trace_hardirqs_off+0xb8/0x310 [ 419.923434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.927836] __alloc_pages_slowpath+0x2651/0x2de0 [ 419.941338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 419.945756] ? warn_alloc+0x120/0x120 [ 419.954547] 2220 total pagecache pages [ 419.959387] ? warn_alloc+0x120/0x120 [ 419.967951] 0 pages in swap cache [ 419.971740] ? warn_alloc+0x120/0x120 [ 419.975607] Swap cache stats: add 0, delete 0, find 0/0 [ 419.979422] ? print_usage_bug+0xc0/0xc0 [ 419.982845] Free swap = 0kB [ 419.986636] ? print_usage_bug+0xc0/0xc0 [ 419.991978] Total swap = 0kB [ 419.996035] ? find_held_lock+0x36/0x1c0 [ 419.999030] 1965979 pages RAM [ 420.003083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.006076] 0 pages HighMem/MovableOnly [ 420.010144] ? should_fail+0x22d/0xd01 [ 420.013224] 342854 pages reserved [ 420.018784] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.022732] 0 pages cma reserved [ 420.026624] ? __lock_acquire+0x62f/0x4c20 [ 420.030149] aoe: skb alloc failure [ 420.035149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.038517] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.042716] ? should_fail+0x22d/0xd01 [ 420.046233] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 420.051336] ? mark_held_locks+0x130/0x130 [ 420.074381] ? mark_held_locks+0x130/0x130 [ 420.078659] ? print_usage_bug+0xc0/0xc0 [ 420.082724] ? find_held_lock+0x36/0x1c0 [ 420.086810] ? zap_class+0x640/0x640 [ 420.090527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.096064] ? check_preemption_disabled+0x48/0x280 [ 420.101091] ? __lock_is_held+0xb5/0x140 [ 420.105157] __alloc_pages_nodemask+0xad8/0xea0 [ 420.109823] ? zap_class+0x640/0x640 [ 420.113542] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 420.118584] ? find_held_lock+0x36/0x1c0 [ 420.122657] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.127325] ? lock_downgrade+0x900/0x900 [ 420.131490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.137030] cache_grow_begin+0xa5/0x8c0 [ 420.141091] ? do_raw_spin_unlock+0xa7/0x330 [ 420.145511] fallback_alloc+0x204/0x2e0 [ 420.149496] ____cache_alloc_node+0x1c7/0x1e0 [ 420.153997] kmem_cache_alloc_node+0xe3/0x730 [ 420.158496] ? mark_held_locks+0xc7/0x130 [ 420.162656] __alloc_skb+0x119/0x770 [ 420.166376] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.170795] ? do_raw_spin_trylock+0x270/0x270 [ 420.175377] ? kmem_cache_alloc_trace+0x353/0x750 [ 420.180236] ? queue_work_on+0x12c/0x1e0 [ 420.184302] ? switchdev_port_obj_del+0xdc/0x440 [ 420.189064] ? switchdev_trans_item_enqueue+0x260/0x260 [ 420.194546] ? mod_timer+0x631/0x1560 [ 420.198348] ? wake_up_klogd+0x180/0x180 [ 420.202426] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.207460] __br_mdb_notify+0x4ff/0x15d0 [ 420.211623] ? __br_mdb_add+0x7f0/0x7f0 [ 420.215611] ? zap_class+0x640/0x640 [ 420.219340] ? br_multicast_group_expired+0x96/0x610 [ 420.224454] br_mdb_notify+0x310/0x410 [ 420.228339] ? br_mdb_dump+0x27b0/0x27b0 [ 420.232420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.237968] br_multicast_group_expired+0x1bc/0x610 [ 420.242994] ? br_mdb_free+0x80/0x80 [ 420.246721] call_timer_fn+0x272/0x920 [ 420.250613] ? br_mdb_free+0x80/0x80 [ 420.254327] ? process_timeout+0x40/0x40 [ 420.258442] ? __run_timers+0x7da/0xc70 [ 420.262430] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.266922] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.271426] ? br_mdb_free+0x80/0x80 [ 420.275142] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.279726] ? trace_hardirqs_on+0xbd/0x310 [ 420.284051] ? kasan_check_read+0x11/0x20 [ 420.288198] ? __run_timers+0x7da/0xc70 [ 420.292173] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.297310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.301594] ? br_mdb_free+0x80/0x80 [ 420.305305] __run_timers+0x7e5/0xc70 [ 420.309111] ? timer_fixup_init+0x70/0x70 [ 420.313265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.318287] ? zap_class+0x640/0x640 [ 420.322008] ? enqueue_hrtimer+0x1a5/0x560 [ 420.326246] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.331451] ? find_held_lock+0x36/0x1c0 [ 420.335522] ? zap_class+0x640/0x640 [ 420.339240] ? pvclock_read_flags+0x160/0x160 [ 420.343742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.349280] ? check_preemption_disabled+0x48/0x280 [ 420.354324] ? __lock_is_held+0xb5/0x140 [ 420.358400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.363950] ? check_preemption_disabled+0x48/0x280 [ 420.368971] run_timer_softirq+0x52/0xb0 [ 420.373035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.378085] __do_softirq+0x308/0xb7e [ 420.381902] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.386408] ? lock_downgrade+0x900/0x900 [ 420.390586] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.395698] ? pvclock_read_flags+0x160/0x160 [ 420.400197] ? lapic_next_event+0x5a/0x90 [ 420.404353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.409915] ? kvm_clock_read+0x18/0x30 [ 420.413886] ? kvm_sched_clock_read+0x9/0x20 [ 420.418296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.423839] ? check_preemption_disabled+0x48/0x280 [ 420.428863] irq_exit+0x17f/0x1c0 [ 420.432323] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.437163] ? smp_reschedule_interrupt+0x109/0x650 [ 420.442183] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.448085] ? interrupt_entry+0xb5/0xc0 [ 420.452167] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.457182] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.462202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.467051] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.472067] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.477095] ? task_prio+0x50/0x50 [ 420.480638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.486177] ? check_preemption_disabled+0x48/0x280 [ 420.491214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.496064] apic_timer_interrupt+0xf/0x20 [ 420.500292] [ 420.502536] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.507514] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 420.526435] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 420.534141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.541421] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 420.548704] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 420.555968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.563234] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 420.570536] skb_clone+0x1bb/0x500 [ 420.574078] ? skb_split+0x11e0/0x11e0 [ 420.577972] ? preempt_notifier_register+0x200/0x200 [ 420.583072] ? __switch_to_asm+0x34/0x70 [ 420.587131] ? __switch_to_asm+0x34/0x70 [ 420.591185] ? __switch_to_asm+0x40/0x70 [ 420.595245] ? __switch_to_asm+0x34/0x70 [ 420.599306] ? __switch_to_asm+0x40/0x70 [ 420.603362] ? __switch_to_asm+0x40/0x70 [ 420.607431] ? __switch_to_asm+0x34/0x70 [ 420.611488] ? __switch_to_asm+0x34/0x70 [ 420.615543] ? __switch_to_asm+0x40/0x70 [ 420.619598] ? __switch_to_asm+0x34/0x70 [ 420.623663] bpf_clone_redirect+0xb9/0x490 [ 420.627907] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 420.632927] ? __sched_text_start+0x8/0x8 [ 420.637092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.641858] ? find_held_lock+0x36/0x1c0 [ 420.645927] ? lock_acquire+0x1ed/0x520 [ 420.649905] ? bpf_test_run+0x3ee/0x7a0 [ 420.653879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.659431] ? check_preemption_disabled+0x48/0x280 [ 420.664456] ? kasan_check_read+0x11/0x20 [ 420.668605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.673894] ? rcu_softirq_qs+0x20/0x20 [ 420.677867] ? preempt_schedule+0x4d/0x60 [ 420.682019] ? ___preempt_schedule+0x16/0x18 [ 420.686457] ? bpf_test_run+0x271/0x7a0 [ 420.690453] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.694869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.700418] ? bpf_test_init.isra.10+0x70/0x100 [ 420.705110] ? bpf_prog_test_run_skb+0x762/0xd60 [ 420.709880] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.714730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.720284] ? fput+0x130/0x1a0 [ 420.723587] ? __bpf_prog_get+0x9b/0x290 [ 420.727668] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.732527] ? bpf_prog_test_run+0x130/0x1a0 [ 420.736936] ? __x64_sys_bpf+0x3d8/0x520 [ 420.740995] ? bpf_prog_get+0x20/0x20 [ 420.744831] ? do_syscall_64+0x1b9/0x820 [ 420.748888] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.754273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.759215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.764059] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.769075] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.774094] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.779122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.783971] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.789367] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 420.789547] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.796313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.806782] syz-executor2 cpuset=syz2 mems_allowed=0 [ 420.816122] Call Trace: [ 420.823788] dump_stack+0x244/0x39d [ 420.827429] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.832622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.838168] warn_alloc.cold.116+0xb7/0x1bd [ 420.842495] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.847343] ? lock_downgrade+0x900/0x900 [ 420.851500] ? trace_hardirqs_off+0xb8/0x310 [ 420.855927] ? trace_hardirqs_off+0xb8/0x310 [ 420.860346] __alloc_pages_slowpath+0x2651/0x2de0 [ 420.865221] ? warn_alloc+0x120/0x120 [ 420.869028] ? warn_alloc+0x120/0x120 [ 420.872834] ? warn_alloc+0x120/0x120 [ 420.876637] ? print_usage_bug+0xc0/0xc0 [ 420.880708] ? print_usage_bug+0xc0/0xc0 [ 420.884772] ? mark_held_locks+0x130/0x130 [ 420.889012] ? mark_held_locks+0x130/0x130 [ 420.893250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.898793] ? should_fail+0x22d/0xd01 [ 420.902680] ? zap_class+0x640/0x640 [ 420.906407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.911512] ? __lock_acquire+0x62f/0x4c20 [ 420.915752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.920853] ? __lock_acquire+0x62f/0x4c20 [ 420.925090] ? should_fail+0x22d/0xd01 [ 420.928988] ? mark_held_locks+0x130/0x130 [ 420.933236] ? mark_held_locks+0x130/0x130 [ 420.937469] ? lock_downgrade+0x900/0x900 [ 420.941620] ? zap_class+0x640/0x640 [ 420.945335] ? zap_class+0x640/0x640 [ 420.949048] ? zap_class+0x640/0x640 [ 420.952759] ? do_raw_spin_unlock+0xa7/0x330 [ 420.957168] ? trace_hardirqs_on+0x310/0x310 [ 420.961584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.967121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.972662] ? check_preemption_disabled+0x48/0x280 [ 420.977705] ? __lock_is_held+0xb5/0x140 [ 420.981789] __alloc_pages_nodemask+0xad8/0xea0 [ 420.986458] ? zap_class+0x640/0x640 [ 420.990179] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 420.995206] ? find_held_lock+0x36/0x1c0 [ 420.999277] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.003952] ? lock_downgrade+0x900/0x900 [ 421.008107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.013652] cache_grow_begin+0xa5/0x8c0 [ 421.017722] ? do_raw_spin_unlock+0xa7/0x330 [ 421.022142] fallback_alloc+0x204/0x2e0 [ 421.026126] ____cache_alloc_node+0x1c7/0x1e0 [ 421.030626] kmem_cache_alloc_node+0xe3/0x730 [ 421.035122] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.039713] __alloc_skb+0x119/0x770 [ 421.043439] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.048812] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.053244] ? vprintk_default+0x28/0x30 [ 421.057306] ? vprintk_func+0x85/0x181 [ 421.061360] ? printk+0xa7/0xcf [ 421.064647] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 421.069424] new_skb+0x26/0x1c0 [ 421.072710] aoecmd_cfg+0x279/0x7f0 [ 421.076360] ? find_held_lock+0x36/0x1c0 [ 421.080475] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 421.084803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.090353] ? __lock_is_held+0xb5/0x140 [ 421.094434] discover_timer+0x50/0x60 [ 421.098237] call_timer_fn+0x272/0x920 [ 421.102130] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.106974] ? process_timeout+0x40/0x40 [ 421.111040] ? __run_timers+0x7da/0xc70 [ 421.115014] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.119508] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.124001] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.128859] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.133455] ? trace_hardirqs_on+0xbd/0x310 [ 421.137773] ? kasan_check_read+0x11/0x20 [ 421.141927] ? __run_timers+0x7da/0xc70 [ 421.145904] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.151024] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.155862] __run_timers+0x7e5/0xc70 [ 421.159669] ? timer_fixup_init+0x70/0x70 [ 421.163841] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.168361] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.172864] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.177464] ? trace_hardirqs_on+0xbd/0x310 [ 421.181781] ? kasan_check_read+0x11/0x20 [ 421.185936] ? finish_task_switch+0x1f4/0x910 [ 421.190441] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.195545] ? compat_start_thread+0x80/0x80 [ 421.199978] ? pvclock_read_flags+0x160/0x160 [ 421.204483] ? __switch_to_asm+0x34/0x70 [ 421.208547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.214091] ? check_preemption_disabled+0x48/0x280 [ 421.219120] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 421.224661] ? rcu_pm_notify+0xc0/0xc0 [ 421.228554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.234098] ? check_preemption_disabled+0x48/0x280 [ 421.239119] run_timer_softirq+0x52/0xb0 [ 421.243177] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.248193] __do_softirq+0x308/0xb7e [ 421.251994] ? retint_kernel+0x2d/0x2d [ 421.255886] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.260995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.266449] ? retint_kernel+0x2d/0x2d [ 421.270344] ? schedule+0x108/0x460 [ 421.273980] ? trace_hardirqs_off+0xb8/0x310 [ 421.278389] ? smpboot_thread_fn+0x68b/0xa00 [ 421.282810] ? trace_hardirqs_on+0x310/0x310 [ 421.287220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.292775] ? check_preemption_disabled+0x48/0x280 [ 421.297794] ? takeover_tasklets+0xa90/0xa90 [ 421.302201] run_ksoftirqd+0x5e/0x100 [ 421.306002] smpboot_thread_fn+0x68b/0xa00 [ 421.310239] ? sort_range+0x30/0x30 [ 421.313866] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.318972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.324513] ? __kthread_parkme+0xfb/0x1a0 [ 421.328754] ? sort_range+0x30/0x30 [ 421.332383] kthread+0x35a/0x440 [ 421.335760] ? kthread_stop+0x900/0x900 [ 421.339797] ret_from_fork+0x3a/0x50 [ 421.343531] warn_alloc_show_mem: 1 callbacks suppressed [ 421.343544] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 421.343545] Mem-Info: [ 421.343578] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 421.343578] active_file:133 inactive_file:117 isolated_file:0 [ 421.343578] unevictable:0 dirty:3 writeback:0 unstable:0 [ 421.343578] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 421.343578] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 421.343578] free:13727 free_pcp:164 free_cma:0 [ 421.348913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.356280] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 421.358681] Call Trace: [ 421.391889] 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 [ 421.401244] [ 421.428985] lowmem_reserve[]: 0 2818 6321 6321 [ 421.431565] dump_stack+0x244/0x39d [ 421.457645] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 421.459788] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.464344] lowmem_reserve[]: 0 0 3503 3503 [ 421.467966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.495541] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 421.500731] warn_alloc.cold.116+0xb7/0x1bd [ 421.505022] lowmem_reserve[]: 0 0 0 0 [ 421.510553] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.539761] 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 [ 421.544075] ? lock_downgrade+0x900/0x900 [ 421.547882] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 421.552718] ? trace_hardirqs_off+0xb8/0x310 [ 421.566217] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 421.570358] ? trace_hardirqs_off+0xb8/0x310 [ 421.585687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.590115] __alloc_pages_slowpath+0x2651/0x2de0 [ 421.603613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.608029] ? warn_alloc+0x120/0x120 [ 421.616817] 2220 total pagecache pages [ 421.621656] ? warn_alloc+0x120/0x120 [ 421.630210] 0 pages in swap cache [ 421.633999] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.637892] Swap cache stats: add 0, delete 0, find 0/0 [ 421.641680] ? warn_alloc+0x120/0x120 [ 421.645126] Free swap = 0kB [ 421.650165] ? print_usage_bug+0xc0/0xc0 [ 421.655501] Total swap = 0kB [ 421.659293] ? print_usage_bug+0xc0/0xc0 [ 421.662287] 1965979 pages RAM [ 421.666341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.669336] 0 pages HighMem/MovableOnly [ 421.673400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.676478] 342854 pages reserved [ 421.681663] ? should_fail+0x22d/0xd01 [ 421.685609] 0 pages cma reserved [ 421.691142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.694664] aoe: skb alloc failure [ 421.698452] ? __lock_acquire+0x62f/0x4c20 [ 421.701880] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.706920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.710441] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 421.714668] ? should_fail+0x22d/0xd01 [ 421.738586] ? mark_held_locks+0x130/0x130 [ 421.742836] ? mark_held_locks+0x130/0x130 [ 421.747071] ? print_usage_bug+0xc0/0xc0 [ 421.751137] ? find_held_lock+0x36/0x1c0 [ 421.755230] ? zap_class+0x640/0x640 [ 421.758949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.764485] ? check_preemption_disabled+0x48/0x280 [ 421.769513] ? __lock_is_held+0xb5/0x140 [ 421.773583] __alloc_pages_nodemask+0xad8/0xea0 [ 421.778252] ? zap_class+0x640/0x640 [ 421.781969] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 421.786998] ? find_held_lock+0x36/0x1c0 [ 421.791075] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.795745] ? lock_downgrade+0x900/0x900 [ 421.799904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.805457] cache_grow_begin+0xa5/0x8c0 [ 421.809518] ? do_raw_spin_unlock+0xa7/0x330 [ 421.813933] fallback_alloc+0x204/0x2e0 [ 421.817929] ____cache_alloc_node+0x1c7/0x1e0 [ 421.822443] kmem_cache_alloc_node+0xe3/0x730 [ 421.826939] ? mark_held_locks+0xc7/0x130 [ 421.831156] __alloc_skb+0x119/0x770 [ 421.834876] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.839283] ? do_raw_spin_trylock+0x270/0x270 [ 421.843867] ? kmem_cache_alloc_trace+0x353/0x750 [ 421.848714] ? queue_work_on+0x12c/0x1e0 [ 421.852786] ? switchdev_port_obj_del+0xdc/0x440 [ 421.857544] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.862911] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.867935] __br_mdb_notify+0x4ff/0x15d0 [ 421.872098] ? __br_mdb_add+0x7f0/0x7f0 [ 421.876080] ? zap_class+0x640/0x640 [ 421.879805] ? br_multicast_group_expired+0x96/0x610 [ 421.884913] ? lock_downgrade+0x900/0x900 [ 421.889083] br_mdb_notify+0x310/0x410 [ 421.892976] ? br_mdb_dump+0x27b0/0x27b0 [ 421.897040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.902585] br_multicast_group_expired+0x1bc/0x610 [ 421.907607] ? br_mdb_free+0x80/0x80 [ 421.911336] call_timer_fn+0x272/0x920 [ 421.915223] ? br_mdb_free+0x80/0x80 [ 421.918941] ? process_timeout+0x40/0x40 [ 421.923016] ? __run_timers+0x7da/0xc70 [ 421.926990] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.931487] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.935985] ? br_mdb_free+0x80/0x80 [ 421.939714] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.944297] ? trace_hardirqs_on+0xbd/0x310 [ 421.948620] ? kasan_check_read+0x11/0x20 [ 421.952770] ? __run_timers+0x7da/0xc70 [ 421.956752] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.961864] ? br_mdb_free+0x80/0x80 [ 421.965583] ? br_mdb_free+0x80/0x80 [ 421.969293] __run_timers+0x7e5/0xc70 [ 421.973123] ? timer_fixup_init+0x70/0x70 [ 421.977284] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.982302] ? zap_class+0x640/0x640 [ 421.986021] ? enqueue_hrtimer+0x1a5/0x560 [ 421.990258] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.995473] ? find_held_lock+0x36/0x1c0 [ 421.999543] ? zap_class+0x640/0x640 [ 422.003265] ? pvclock_read_flags+0x160/0x160 [ 422.007775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.013324] ? check_preemption_disabled+0x48/0x280 [ 422.018350] ? __lock_is_held+0xb5/0x140 [ 422.022427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.027967] ? check_preemption_disabled+0x48/0x280 [ 422.032991] run_timer_softirq+0x52/0xb0 [ 422.037082] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.042103] __do_softirq+0x308/0xb7e [ 422.045935] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.050448] ? lock_downgrade+0x900/0x900 [ 422.054604] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.059715] ? pvclock_read_flags+0x160/0x160 [ 422.064216] ? lapic_next_event+0x5a/0x90 [ 422.068378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.073931] ? kvm_clock_read+0x18/0x30 [ 422.077911] ? kvm_sched_clock_read+0x9/0x20 [ 422.082335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.087891] ? check_preemption_disabled+0x48/0x280 [ 422.092914] irq_exit+0x17f/0x1c0 [ 422.096370] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.101218] ? smp_reschedule_interrupt+0x109/0x650 [ 422.106250] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.112147] ? interrupt_entry+0xb5/0xc0 [ 422.116211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.121239] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.126270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.131115] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.136130] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.141143] ? task_prio+0x50/0x50 [ 422.144684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.150222] ? check_preemption_disabled+0x48/0x280 [ 422.155255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.160119] apic_timer_interrupt+0xf/0x20 [ 422.164344] [ 422.166608] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 422.171539] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 422.190443] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 422.198280] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.205544] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 422.212812] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 422.220081] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 422.227354] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 422.234664] skb_clone+0x1bb/0x500 [ 422.238210] ? skb_split+0x11e0/0x11e0 [ 422.242103] ? preempt_notifier_register+0x200/0x200 [ 422.247217] ? __switch_to_asm+0x34/0x70 [ 422.251283] ? __switch_to_asm+0x34/0x70 [ 422.255340] ? __switch_to_asm+0x40/0x70 [ 422.259405] ? __switch_to_asm+0x34/0x70 [ 422.263471] ? __switch_to_asm+0x40/0x70 [ 422.267529] ? __switch_to_asm+0x40/0x70 [ 422.271591] ? __switch_to_asm+0x34/0x70 [ 422.275657] ? __switch_to_asm+0x34/0x70 [ 422.279713] ? __switch_to_asm+0x40/0x70 [ 422.283777] ? __switch_to_asm+0x34/0x70 [ 422.287847] bpf_clone_redirect+0xb9/0x490 [ 422.292091] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 422.297112] ? __sched_text_start+0x8/0x8 [ 422.301271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.306039] ? find_held_lock+0x36/0x1c0 [ 422.310124] ? lock_acquire+0x1ed/0x520 [ 422.314103] ? bpf_test_run+0x3ee/0x7a0 [ 422.318075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.323631] ? check_preemption_disabled+0x48/0x280 [ 422.328652] ? kasan_check_read+0x11/0x20 [ 422.332798] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.338078] ? rcu_softirq_qs+0x20/0x20 [ 422.342087] ? preempt_schedule+0x4d/0x60 [ 422.346236] ? ___preempt_schedule+0x16/0x18 [ 422.350651] ? bpf_test_run+0x271/0x7a0 [ 422.354637] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.359049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.364589] ? bpf_test_init.isra.10+0x70/0x100 [ 422.369267] ? bpf_prog_test_run_skb+0x762/0xd60 [ 422.374034] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.378903] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.384449] ? fput+0x130/0x1a0 [ 422.387736] ? __bpf_prog_get+0x9b/0x290 [ 422.391804] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.396652] ? bpf_prog_test_run+0x130/0x1a0 [ 422.401064] ? __x64_sys_bpf+0x3d8/0x520 [ 422.405127] ? bpf_prog_get+0x20/0x20 [ 422.408949] ? do_syscall_64+0x1b9/0x820 [ 422.413013] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.418377] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.423321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.428165] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.433182] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.438203] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.443225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.448074] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.453462] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 422.453613] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.460403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.470877] syz-executor2 cpuset=syz2 mems_allowed=0 [ 422.480231] Call Trace: [ 422.487933] dump_stack+0x244/0x39d [ 422.491564] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.496759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.502307] warn_alloc.cold.116+0xb7/0x1bd [ 422.506630] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.511496] ? lock_downgrade+0x900/0x900 [ 422.515655] ? trace_hardirqs_off+0xb8/0x310 [ 422.520071] ? trace_hardirqs_off+0xb8/0x310 [ 422.524490] __alloc_pages_slowpath+0x2651/0x2de0 [ 422.529360] ? warn_alloc+0x120/0x120 [ 422.533190] ? warn_alloc+0x120/0x120 [ 422.536995] ? warn_alloc+0x120/0x120 [ 422.540799] ? print_usage_bug+0xc0/0xc0 [ 422.544896] ? print_usage_bug+0xc0/0xc0 [ 422.548978] ? mark_held_locks+0x130/0x130 [ 422.553215] ? mark_held_locks+0x130/0x130 [ 422.557472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.563009] ? should_fail+0x22d/0xd01 [ 422.566899] ? zap_class+0x640/0x640 [ 422.570625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.575734] ? __lock_acquire+0x62f/0x4c20 [ 422.579984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.585084] ? __lock_acquire+0x62f/0x4c20 [ 422.589315] ? should_fail+0x22d/0xd01 [ 422.593210] ? mark_held_locks+0x130/0x130 [ 422.597450] ? mark_held_locks+0x130/0x130 [ 422.601682] ? lock_downgrade+0x900/0x900 [ 422.605830] ? zap_class+0x640/0x640 [ 422.609550] ? zap_class+0x640/0x640 [ 422.613261] ? do_raw_spin_unlock+0xa7/0x330 [ 422.617672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.622461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.628011] ? check_preemption_disabled+0x48/0x280 [ 422.633050] ? __lock_is_held+0xb5/0x140 [ 422.637135] __alloc_pages_nodemask+0xad8/0xea0 [ 422.641804] ? zap_class+0x640/0x640 [ 422.645524] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 422.650553] ? find_held_lock+0x36/0x1c0 [ 422.654625] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.659296] ? lock_downgrade+0x900/0x900 [ 422.663471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.669015] cache_grow_begin+0xa5/0x8c0 [ 422.673148] ? do_raw_spin_unlock+0xa7/0x330 [ 422.677593] fallback_alloc+0x204/0x2e0 [ 422.681578] ____cache_alloc_node+0x1c7/0x1e0 [ 422.686081] kmem_cache_alloc_node+0xe3/0x730 [ 422.690582] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.695173] __alloc_skb+0x119/0x770 [ 422.698920] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.704301] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.708723] ? vprintk_default+0x28/0x30 [ 422.712789] ? vprintk_func+0x85/0x181 [ 422.716681] ? printk+0xa7/0xcf [ 422.719959] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 422.724727] new_skb+0x26/0x1c0 [ 422.728009] aoecmd_cfg+0x279/0x7f0 [ 422.731639] ? find_held_lock+0x36/0x1c0 [ 422.735705] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 422.740050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.745597] ? __lock_is_held+0xb5/0x140 [ 422.749671] discover_timer+0x50/0x60 [ 422.753477] call_timer_fn+0x272/0x920 [ 422.757366] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 422.762216] ? process_timeout+0x40/0x40 [ 422.766286] ? __run_timers+0x7da/0xc70 [ 422.770266] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.774760] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.779258] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 422.784108] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.788695] ? trace_hardirqs_on+0xbd/0x310 [ 422.793047] ? kasan_check_read+0x11/0x20 [ 422.797196] ? __run_timers+0x7da/0xc70 [ 422.801190] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.806303] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 422.811144] __run_timers+0x7e5/0xc70 [ 422.814961] ? timer_fixup_init+0x70/0x70 [ 422.819115] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.823612] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.828109] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.832723] ? trace_hardirqs_on+0xbd/0x310 [ 422.837050] ? kasan_check_read+0x11/0x20 [ 422.841201] ? finish_task_switch+0x1f4/0x910 [ 422.845701] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.850803] ? compat_start_thread+0x80/0x80 [ 422.855229] ? pvclock_read_flags+0x160/0x160 [ 422.859720] ? __switch_to_asm+0x34/0x70 [ 422.863783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.869327] ? check_preemption_disabled+0x48/0x280 [ 422.874353] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 422.879893] ? rcu_pm_notify+0xc0/0xc0 [ 422.883806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.889348] ? check_preemption_disabled+0x48/0x280 [ 422.894368] run_timer_softirq+0x52/0xb0 [ 422.898439] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.903460] __do_softirq+0x308/0xb7e [ 422.907264] ? retint_kernel+0x2d/0x2d [ 422.911153] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.916271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.921738] ? retint_kernel+0x2d/0x2d [ 422.925658] ? schedule+0x108/0x460 [ 422.929292] ? trace_hardirqs_off+0xb8/0x310 [ 422.933702] ? smpboot_thread_fn+0x68b/0xa00 [ 422.938109] ? trace_hardirqs_on+0x310/0x310 [ 422.942520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.948063] ? check_preemption_disabled+0x48/0x280 [ 422.953120] ? takeover_tasklets+0xa90/0xa90 [ 422.957535] run_ksoftirqd+0x5e/0x100 [ 422.961337] smpboot_thread_fn+0x68b/0xa00 [ 422.965577] ? sort_range+0x30/0x30 [ 422.969220] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.974338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.979892] ? __kthread_parkme+0xfb/0x1a0 [ 422.984130] ? sort_range+0x30/0x30 [ 422.987757] kthread+0x35a/0x440 [ 422.991124] ? kthread_stop+0x900/0x900 [ 422.995102] ret_from_fork+0x3a/0x50 [ 422.998827] warn_alloc_show_mem: 1 callbacks suppressed [ 422.998839] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 422.998841] Mem-Info: [ 422.998874] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 422.998874] active_file:133 inactive_file:117 isolated_file:0 [ 422.998874] unevictable:0 dirty:3 writeback:0 unstable:0 [ 422.998874] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 422.998874] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 422.998874] free:13727 free_pcp:164 free_cma:0 [ 423.004202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.004211] Call Trace: [ 423.011583] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 423.013978] [ 423.047185] 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 [ 423.056537] dump_stack+0x244/0x39d [ 423.059109] lowmem_reserve[]: 0 2818 6321 6321 [ 423.087367] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.089495] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.115601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.119204] lowmem_reserve[]: 0 0 3503 3503 [ 423.123788] warn_alloc.cold.116+0xb7/0x1bd [ 423.128952] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 423.156529] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.162038] lowmem_reserve[]: 0 0 0 0 [ 423.166355] ? lock_downgrade+0x900/0x900 [ 423.170652] 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 [ 423.199882] ? trace_hardirqs_off+0xb8/0x310 [ 423.204696] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 423.208492] ? trace_hardirqs_off+0xb8/0x310 [ 423.212613] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 423.226145] __alloc_pages_slowpath+0x2651/0x2de0 [ 423.230550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.245916] ? warn_alloc+0x120/0x120 [ 423.250299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.263808] ? warn_alloc+0x120/0x120 [ 423.268628] 2220 total pagecache pages [ 423.277454] ? warn_alloc+0x120/0x120 [ 423.281234] 0 pages in swap cache [ 423.289799] ? print_usage_bug+0xc0/0xc0 [ 423.293582] Swap cache stats: add 0, delete 0, find 0/0 [ 423.297463] ? mark_held_locks+0x130/0x130 [ 423.301239] Free swap = 0kB [ 423.304686] ? kvm_clock_read+0x18/0x30 [ 423.308722] Total swap = 0kB [ 423.314075] ? print_usage_bug+0xc0/0xc0 [ 423.318298] 1965979 pages RAM [ 423.321315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.325264] 0 pages HighMem/MovableOnly [ 423.328275] ? should_fail+0x22d/0xd01 [ 423.332310] 342854 pages reserved [ 423.335425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.340976] 0 pages cma reserved [ 423.344957] ? __lock_acquire+0x62f/0x4c20 [ 423.348884] aoe: skb alloc failure [ 423.352268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.352281] ? __lock_acquire+0x62f/0x4c20 [ 423.352298] ? should_fail+0x22d/0xd01 [ 423.357419] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.360761] ? mark_held_locks+0x130/0x130 [ 423.364968] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 423.368504] ? mark_held_locks+0x130/0x130 [ 423.405104] ? zap_class+0x640/0x640 [ 423.408818] ? print_usage_bug+0xc0/0xc0 [ 423.412880] ? find_held_lock+0x36/0x1c0 [ 423.416978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.422521] ? check_preemption_disabled+0x48/0x280 [ 423.427551] ? __lock_is_held+0xb5/0x140 [ 423.431619] __alloc_pages_nodemask+0xad8/0xea0 [ 423.436291] ? zap_class+0x640/0x640 [ 423.440010] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 423.445056] ? find_held_lock+0x36/0x1c0 [ 423.449128] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.453803] ? lock_downgrade+0x900/0x900 [ 423.457960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.463508] cache_grow_begin+0xa5/0x8c0 [ 423.467569] ? do_raw_spin_unlock+0xa7/0x330 [ 423.471990] fallback_alloc+0x204/0x2e0 [ 423.475973] ____cache_alloc_node+0x1c7/0x1e0 [ 423.480490] kmem_cache_alloc_node+0xe3/0x730 [ 423.485014] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.489259] __alloc_skb+0x119/0x770 [ 423.492983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.498279] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.502689] ? lock_downgrade+0x900/0x900 [ 423.506844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.512381] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.517865] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.523332] ? addrconf_rs_timer+0x690/0x690 [ 423.527754] ndisc_alloc_skb+0x144/0x340 [ 423.531821] ndisc_send_rs+0x331/0x6e0 [ 423.535719] addrconf_rs_timer+0x314/0x690 [ 423.539962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.544207] call_timer_fn+0x272/0x920 [ 423.548094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.552345] ? process_timeout+0x40/0x40 [ 423.556441] ? __run_timers+0x7da/0xc70 [ 423.560430] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.564943] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.569470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.573720] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.578309] ? trace_hardirqs_on+0xbd/0x310 [ 423.582631] ? kasan_check_read+0x11/0x20 [ 423.586778] ? __run_timers+0x7da/0xc70 [ 423.590759] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.595889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.600124] __run_timers+0x7e5/0xc70 [ 423.603934] ? timer_fixup_init+0x70/0x70 [ 423.608086] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.613109] ? zap_class+0x640/0x640 [ 423.616829] ? enqueue_hrtimer+0x1a5/0x560 [ 423.621065] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.626263] ? find_held_lock+0x36/0x1c0 [ 423.630330] ? zap_class+0x640/0x640 [ 423.634047] ? pvclock_read_flags+0x160/0x160 [ 423.638543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.644083] ? check_preemption_disabled+0x48/0x280 [ 423.649109] ? __lock_is_held+0xb5/0x140 [ 423.653201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.658742] ? check_preemption_disabled+0x48/0x280 [ 423.663767] run_timer_softirq+0x52/0xb0 [ 423.667831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.672847] __do_softirq+0x308/0xb7e [ 423.676653] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 423.681147] ? lock_downgrade+0x900/0x900 [ 423.685313] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.690438] ? pvclock_read_flags+0x160/0x160 [ 423.694944] ? lapic_next_event+0x5a/0x90 [ 423.699096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.704643] ? kvm_clock_read+0x18/0x30 [ 423.708621] ? kvm_sched_clock_read+0x9/0x20 [ 423.713031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.718571] ? check_preemption_disabled+0x48/0x280 [ 423.723597] irq_exit+0x17f/0x1c0 [ 423.727055] smp_apic_timer_interrupt+0x1cb/0x760 [ 423.731897] ? smp_reschedule_interrupt+0x109/0x650 [ 423.736919] ? smp_call_function_single_interrupt+0x650/0x650 [ 423.742804] ? interrupt_entry+0xb5/0xc0 [ 423.746867] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.751885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.756906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.761751] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.766771] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.771790] ? task_prio+0x50/0x50 [ 423.775331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.780876] ? check_preemption_disabled+0x48/0x280 [ 423.785901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.790753] apic_timer_interrupt+0xf/0x20 [ 423.794994] [ 423.797234] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 423.802166] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 423.821063] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 423.828786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 423.836068] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 423.843333] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 423.850600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 423.857866] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 423.865176] skb_clone+0x1bb/0x500 [ 423.868723] ? skb_split+0x11e0/0x11e0 [ 423.872616] ? preempt_notifier_register+0x200/0x200 [ 423.877716] ? __switch_to_asm+0x34/0x70 [ 423.881777] ? __switch_to_asm+0x34/0x70 [ 423.885840] ? __switch_to_asm+0x40/0x70 [ 423.889917] ? __switch_to_asm+0x34/0x70 [ 423.893979] ? __switch_to_asm+0x40/0x70 [ 423.898037] ? __switch_to_asm+0x40/0x70 [ 423.902095] ? __switch_to_asm+0x34/0x70 [ 423.906171] ? __switch_to_asm+0x34/0x70 [ 423.910228] ? __switch_to_asm+0x40/0x70 [ 423.914287] ? __switch_to_asm+0x34/0x70 [ 423.918353] bpf_clone_redirect+0xb9/0x490 [ 423.922596] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 423.927615] ? __sched_text_start+0x8/0x8 [ 423.931765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.936551] ? find_held_lock+0x36/0x1c0 [ 423.940629] ? lock_acquire+0x1ed/0x520 [ 423.944605] ? bpf_test_run+0x3ee/0x7a0 [ 423.948580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.954134] ? check_preemption_disabled+0x48/0x280 [ 423.959154] ? kasan_check_read+0x11/0x20 [ 423.963303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.968598] ? rcu_softirq_qs+0x20/0x20 [ 423.972579] ? preempt_schedule+0x4d/0x60 [ 423.976727] ? ___preempt_schedule+0x16/0x18 [ 423.981157] ? bpf_test_run+0x271/0x7a0 [ 423.985144] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.989554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.995109] ? bpf_test_init.isra.10+0x70/0x100 [ 423.999785] ? bpf_prog_test_run_skb+0x762/0xd60 [ 424.004552] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.009408] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.014968] ? fput+0x130/0x1a0 [ 424.018286] ? __bpf_prog_get+0x9b/0x290 [ 424.022354] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.027213] ? bpf_prog_test_run+0x130/0x1a0 [ 424.031626] ? __x64_sys_bpf+0x3d8/0x520 [ 424.035689] ? bpf_prog_get+0x20/0x20 [ 424.039512] ? do_syscall_64+0x1b9/0x820 [ 424.043574] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.048954] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.053900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.058751] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.063774] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.068795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.073823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.078675] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.084058] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 424.084129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.090985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.090991] Call Trace: [ 424.091009] dump_stack+0x244/0x39d [ 424.091031] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.097558] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.106857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.109424] syz-executor2 cpuset=syz2 mems_allowed=0 [ 424.113046] warn_alloc.cold.116+0xb7/0x1bd [ 424.143664] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.148511] ? lock_downgrade+0x900/0x900 [ 424.152672] ? trace_hardirqs_off+0xb8/0x310 [ 424.157106] ? trace_hardirqs_off+0xb8/0x310 [ 424.161538] __alloc_pages_slowpath+0x2651/0x2de0 [ 424.166415] ? warn_alloc+0x120/0x120 [ 424.170236] ? warn_alloc+0x120/0x120 [ 424.174047] ? warn_alloc+0x120/0x120 [ 424.177853] ? print_usage_bug+0xc0/0xc0 [ 424.181950] ? print_usage_bug+0xc0/0xc0 [ 424.186018] ? mark_held_locks+0x130/0x130 [ 424.190256] ? mark_held_locks+0x130/0x130 [ 424.195060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.200631] ? should_fail+0x22d/0xd01 [ 424.204517] ? zap_class+0x640/0x640 [ 424.208250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.213356] ? __lock_acquire+0x62f/0x4c20 [ 424.217597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.222704] ? __lock_acquire+0x62f/0x4c20 [ 424.226965] ? should_fail+0x22d/0xd01 [ 424.230860] ? mark_held_locks+0x130/0x130 [ 424.235108] ? mark_held_locks+0x130/0x130 [ 424.239342] ? lock_downgrade+0x900/0x900 [ 424.243490] ? zap_class+0x640/0x640 [ 424.247209] ? zap_class+0x640/0x640 [ 424.250929] ? zap_class+0x640/0x640 [ 424.254657] ? do_raw_spin_unlock+0xa7/0x330 [ 424.259069] ? trace_hardirqs_on+0x310/0x310 [ 424.263479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.269017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.274556] ? check_preemption_disabled+0x48/0x280 [ 424.279585] ? __lock_is_held+0xb5/0x140 [ 424.283653] __alloc_pages_nodemask+0xad8/0xea0 [ 424.288324] ? zap_class+0x640/0x640 [ 424.292044] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 424.297092] ? find_held_lock+0x36/0x1c0 [ 424.301207] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.305881] ? lock_downgrade+0x900/0x900 [ 424.310038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.315610] cache_grow_begin+0xa5/0x8c0 [ 424.319675] ? do_raw_spin_unlock+0xa7/0x330 [ 424.324090] fallback_alloc+0x204/0x2e0 [ 424.328069] ____cache_alloc_node+0x1c7/0x1e0 [ 424.332586] kmem_cache_alloc_node+0xe3/0x730 [ 424.337082] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.341692] __alloc_skb+0x119/0x770 [ 424.345412] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.350783] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.355203] ? vprintk_default+0x28/0x30 [ 424.359269] ? vprintk_func+0x85/0x181 [ 424.363193] ? printk+0xa7/0xcf [ 424.366476] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 424.371244] new_skb+0x26/0x1c0 [ 424.374528] aoecmd_cfg+0x279/0x7f0 [ 424.378160] ? find_held_lock+0x36/0x1c0 [ 424.382224] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 424.386554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.392115] ? __lock_is_held+0xb5/0x140 [ 424.396221] discover_timer+0x50/0x60 [ 424.400039] call_timer_fn+0x272/0x920 [ 424.403932] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.408779] ? process_timeout+0x40/0x40 [ 424.412850] ? __run_timers+0x7da/0xc70 [ 424.416827] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.421320] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.425814] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.430656] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.435239] ? trace_hardirqs_on+0xbd/0x310 [ 424.439563] ? kasan_check_read+0x11/0x20 [ 424.443711] ? __run_timers+0x7da/0xc70 [ 424.447689] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.452820] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.457662] __run_timers+0x7e5/0xc70 [ 424.461474] ? timer_fixup_init+0x70/0x70 [ 424.465625] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.470122] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.474623] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.479220] ? trace_hardirqs_on+0xbd/0x310 [ 424.483545] ? kasan_check_read+0x11/0x20 [ 424.487698] ? finish_task_switch+0x1f4/0x910 [ 424.492201] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.497321] ? compat_start_thread+0x80/0x80 [ 424.501755] ? pvclock_read_flags+0x160/0x160 [ 424.506252] ? __switch_to_asm+0x34/0x70 [ 424.510317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.515858] ? check_preemption_disabled+0x48/0x280 [ 424.520890] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 424.526437] ? rcu_pm_notify+0xc0/0xc0 [ 424.530327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.535870] ? check_preemption_disabled+0x48/0x280 [ 424.540893] run_timer_softirq+0x52/0xb0 [ 424.544963] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.549984] __do_softirq+0x308/0xb7e [ 424.553789] ? retint_kernel+0x2d/0x2d [ 424.557683] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.562786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.568241] ? retint_kernel+0x2d/0x2d [ 424.572136] ? schedule+0x108/0x460 [ 424.575777] ? trace_hardirqs_off+0xb8/0x310 [ 424.580201] ? smpboot_thread_fn+0x68b/0xa00 [ 424.584614] ? trace_hardirqs_on+0x310/0x310 [ 424.589025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.594563] ? check_preemption_disabled+0x48/0x280 [ 424.599585] ? takeover_tasklets+0xa90/0xa90 [ 424.603995] run_ksoftirqd+0x5e/0x100 [ 424.607798] smpboot_thread_fn+0x68b/0xa00 [ 424.612037] ? sort_range+0x30/0x30 [ 424.615666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.620770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.626308] ? __kthread_parkme+0xfb/0x1a0 [ 424.630547] ? sort_range+0x30/0x30 [ 424.634176] kthread+0x35a/0x440 [ 424.637545] ? kthread_stop+0x900/0x900 [ 424.641525] ret_from_fork+0x3a/0x50 [ 424.645256] warn_alloc_show_mem: 1 callbacks suppressed [ 424.645269] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 424.645270] Mem-Info: [ 424.645303] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 424.645303] active_file:133 inactive_file:117 isolated_file:0 [ 424.645303] unevictable:0 dirty:3 writeback:0 unstable:0 [ 424.645303] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 424.645303] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 424.645303] free:13727 free_pcp:164 free_cma:0 [ 424.650644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.658014] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 424.660421] Call Trace: [ 424.693632] 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 [ 424.702976] [ 424.730708] lowmem_reserve[]: 0 2818 6321 6321 [ 424.733315] dump_stack+0x244/0x39d [ 424.759423] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 424.761575] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.766132] lowmem_reserve[]: 0 0 3503 3503 [ 424.769757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.797316] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 424.802506] warn_alloc.cold.116+0xb7/0x1bd [ 424.806800] lowmem_reserve[]: 0 0 0 0 [ 424.812331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.841544] 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 [ 424.845859] ? lock_downgrade+0x900/0x900 [ 424.849633] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 424.854473] ? trace_hardirqs_off+0xb8/0x310 [ 424.867967] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 424.872109] ? trace_hardirqs_off+0xb8/0x310 [ 424.887439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.891839] __alloc_pages_slowpath+0x2651/0x2de0 [ 424.905339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.909755] ? warn_alloc+0x120/0x120 [ 424.918548] 2220 total pagecache pages [ 424.923383] ? print_usage_bug+0xc0/0xc0 [ 424.931950] 0 pages in swap cache [ 424.935741] ? warn_alloc+0x120/0x120 [ 424.939613] Swap cache stats: add 0, delete 0, find 0/0 [ 424.943662] ? warn_alloc+0x120/0x120 [ 424.947094] Free swap = 0kB [ 424.950886] ? print_usage_bug+0xc0/0xc0 [ 424.956243] Total swap = 0kB [ 424.960041] ? print_usage_bug+0xc0/0xc0 [ 424.963033] 1965979 pages RAM [ 424.967086] ? __lock_acquire+0x62f/0x4c20 [ 424.970084] 0 pages HighMem/MovableOnly [ 424.974138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.977222] 342854 pages reserved [ 424.981451] ? should_fail+0x22d/0xd01 [ 424.985410] 0 pages cma reserved [ 424.990948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.994453] aoe: skb alloc failure [ 424.998271] ? __lock_acquire+0x62f/0x4c20 [ 425.001674] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.006711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.010229] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 425.014458] ? __lock_acquire+0x62f/0x4c20 [ 425.038710] ? should_fail+0x22d/0xd01 [ 425.042602] ? find_held_lock+0x36/0x1c0 [ 425.046678] ? mark_held_locks+0x130/0x130 [ 425.050948] ? mark_held_locks+0x130/0x130 [ 425.055181] ? zap_class+0x640/0x640 [ 425.058896] ? zap_class+0x640/0x640 [ 425.063071] ? print_usage_bug+0xc0/0xc0 [ 425.067130] ? do_raw_spin_unlock+0xa7/0x330 [ 425.071626] ? zap_class+0x640/0x640 [ 425.075346] ? print_usage_bug+0xc0/0xc0 [ 425.079421] ? wq_watchdog_touch+0x9c/0xfe [ 425.083663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.089206] ? check_preemption_disabled+0x48/0x280 [ 425.094235] ? __lock_is_held+0xb5/0x140 [ 425.098305] __alloc_pages_nodemask+0xad8/0xea0 [ 425.102974] ? zap_class+0x640/0x640 [ 425.106700] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 425.111747] ? find_held_lock+0x36/0x1c0 [ 425.115837] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.120526] ? lock_downgrade+0x900/0x900 [ 425.124682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.130225] cache_grow_begin+0xa5/0x8c0 [ 425.134283] ? do_raw_spin_unlock+0xa7/0x330 [ 425.138699] fallback_alloc+0x204/0x2e0 [ 425.142683] ____cache_alloc_node+0x1c7/0x1e0 [ 425.147200] kmem_cache_alloc_node+0xe3/0x730 [ 425.151696] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.155942] __alloc_skb+0x119/0x770 [ 425.159658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.164941] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.169366] ? lock_downgrade+0x900/0x900 [ 425.173536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.179116] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.184571] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.190022] ? addrconf_rs_timer+0x690/0x690 [ 425.194449] ndisc_alloc_skb+0x144/0x340 [ 425.198518] ndisc_send_rs+0x331/0x6e0 [ 425.202454] addrconf_rs_timer+0x314/0x690 [ 425.206701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.210966] call_timer_fn+0x272/0x920 [ 425.214888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.219135] ? process_timeout+0x40/0x40 [ 425.223222] ? __run_timers+0x7da/0xc70 [ 425.227198] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.231693] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.236187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.240439] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.245025] ? trace_hardirqs_on+0xbd/0x310 [ 425.249346] ? kasan_check_read+0x11/0x20 [ 425.253497] ? __run_timers+0x7da/0xc70 [ 425.257480] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.262589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.266829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.271082] __run_timers+0x7e5/0xc70 [ 425.274897] ? timer_fixup_init+0x70/0x70 [ 425.279060] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.284092] ? zap_class+0x640/0x640 [ 425.287823] ? enqueue_hrtimer+0x1a5/0x560 [ 425.292074] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.297293] ? find_held_lock+0x36/0x1c0 [ 425.301363] ? zap_class+0x640/0x640 [ 425.305095] ? pvclock_read_flags+0x160/0x160 [ 425.309598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.315137] ? check_preemption_disabled+0x48/0x280 [ 425.320169] ? __lock_is_held+0xb5/0x140 [ 425.324236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.329775] ? check_preemption_disabled+0x48/0x280 [ 425.334799] run_timer_softirq+0x52/0xb0 [ 425.338862] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.343884] __do_softirq+0x308/0xb7e [ 425.347696] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.352210] ? lock_downgrade+0x900/0x900 [ 425.356367] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.361489] ? pvclock_read_flags+0x160/0x160 [ 425.365991] ? lapic_next_event+0x5a/0x90 [ 425.370141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.375686] ? kvm_clock_read+0x18/0x30 [ 425.379663] ? kvm_sched_clock_read+0x9/0x20 [ 425.384091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.389660] ? check_preemption_disabled+0x48/0x280 [ 425.394685] irq_exit+0x17f/0x1c0 [ 425.398155] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.402996] ? smp_reschedule_interrupt+0x109/0x650 [ 425.408014] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.413918] ? interrupt_entry+0xb5/0xc0 [ 425.418000] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.423017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.428031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.432869] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.437884] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.442898] ? task_prio+0x50/0x50 [ 425.446449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.451985] ? check_preemption_disabled+0x48/0x280 [ 425.457009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.461860] apic_timer_interrupt+0xf/0x20 [ 425.466087] [ 425.468325] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.473261] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 425.492159] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 425.499868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 425.507137] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 425.514412] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 425.521701] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 425.528972] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 425.536290] skb_clone+0x1bb/0x500 [ 425.539834] ? skb_split+0x11e0/0x11e0 [ 425.543729] ? preempt_notifier_register+0x200/0x200 [ 425.548846] ? __switch_to_asm+0x34/0x70 [ 425.552918] ? __switch_to_asm+0x34/0x70 [ 425.556978] ? __switch_to_asm+0x40/0x70 [ 425.561038] ? __switch_to_asm+0x34/0x70 [ 425.565096] ? __switch_to_asm+0x40/0x70 [ 425.569172] ? __switch_to_asm+0x40/0x70 [ 425.573239] ? __switch_to_asm+0x34/0x70 [ 425.577314] ? __switch_to_asm+0x34/0x70 [ 425.581408] ? __switch_to_asm+0x40/0x70 [ 425.585488] ? __switch_to_asm+0x34/0x70 [ 425.589553] bpf_clone_redirect+0xb9/0x490 [ 425.593800] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 425.598819] ? __sched_text_start+0x8/0x8 [ 425.602971] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.607740] ? find_held_lock+0x36/0x1c0 [ 425.611814] ? lock_acquire+0x1ed/0x520 [ 425.615789] ? bpf_test_run+0x3ee/0x7a0 [ 425.619777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.625316] ? check_preemption_disabled+0x48/0x280 [ 425.630340] ? kasan_check_read+0x11/0x20 [ 425.634492] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.639768] ? rcu_softirq_qs+0x20/0x20 [ 425.643747] ? preempt_schedule+0x4d/0x60 [ 425.647901] ? ___preempt_schedule+0x16/0x18 [ 425.652320] ? bpf_test_run+0x271/0x7a0 [ 425.656314] ? netlink_diag_dump+0x2a0/0x2a0 [ 425.660753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.666333] ? bpf_test_init.isra.10+0x70/0x100 [ 425.671008] ? bpf_prog_test_run_skb+0x762/0xd60 [ 425.675773] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 425.680651] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.686194] ? fput+0x130/0x1a0 [ 425.689479] ? __bpf_prog_get+0x9b/0x290 [ 425.693544] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 425.698399] ? bpf_prog_test_run+0x130/0x1a0 [ 425.702821] ? __x64_sys_bpf+0x3d8/0x520 [ 425.706886] ? bpf_prog_get+0x20/0x20 [ 425.710712] ? do_syscall_64+0x1b9/0x820 [ 425.714773] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 425.720145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.725076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.729916] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.734935] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 425.739968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.744994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.749864] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 425.755247] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 425.755315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.762178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.762183] Call Trace: [ 425.762202] dump_stack+0x244/0x39d [ 425.762223] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.768753] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.778051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.780609] syz-executor2 cpuset=syz2 mems_allowed=0 [ 425.784236] warn_alloc.cold.116+0xb7/0x1bd [ 425.814816] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.819664] ? lock_downgrade+0x900/0x900 [ 425.823824] ? trace_hardirqs_off+0xb8/0x310 [ 425.828243] ? trace_hardirqs_off+0xb8/0x310 [ 425.832661] __alloc_pages_slowpath+0x2651/0x2de0 [ 425.837532] ? warn_alloc+0x120/0x120 [ 425.841363] ? warn_alloc+0x120/0x120 [ 425.845179] ? warn_alloc+0x120/0x120 [ 425.848985] ? print_usage_bug+0xc0/0xc0 [ 425.853051] ? print_usage_bug+0xc0/0xc0 [ 425.857111] ? mark_held_locks+0x130/0x130 [ 425.861347] ? mark_held_locks+0x130/0x130 [ 425.865586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.871127] ? should_fail+0x22d/0xd01 [ 425.875014] ? zap_class+0x640/0x640 [ 425.878734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.883842] ? __lock_acquire+0x62f/0x4c20 [ 425.888092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.893195] ? __lock_acquire+0x62f/0x4c20 [ 425.897434] ? should_fail+0x22d/0xd01 [ 425.901337] ? mark_held_locks+0x130/0x130 [ 425.905582] ? mark_held_locks+0x130/0x130 [ 425.909814] ? lock_downgrade+0x900/0x900 [ 425.913963] ? zap_class+0x640/0x640 [ 425.917681] ? zap_class+0x640/0x640 [ 425.921398] ? do_raw_spin_unlock+0xa7/0x330 [ 425.925815] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.930575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.936114] ? check_preemption_disabled+0x48/0x280 [ 425.941144] ? __lock_is_held+0xb5/0x140 [ 425.945214] __alloc_pages_nodemask+0xad8/0xea0 [ 425.949884] ? zap_class+0x640/0x640 [ 425.953608] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 425.958641] ? find_held_lock+0x36/0x1c0 [ 425.962717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.967400] ? lock_downgrade+0x900/0x900 [ 425.971557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.977103] cache_grow_begin+0xa5/0x8c0 [ 425.981191] ? do_raw_spin_unlock+0xa7/0x330 [ 425.985623] fallback_alloc+0x204/0x2e0 [ 425.989605] ____cache_alloc_node+0x1c7/0x1e0 [ 425.994121] kmem_cache_alloc_node+0xe3/0x730 [ 425.998619] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.003216] __alloc_skb+0x119/0x770 [ 426.006934] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.012305] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.016724] ? vprintk_default+0x28/0x30 [ 426.020790] ? vprintk_func+0x85/0x181 [ 426.024679] ? printk+0xa7/0xcf [ 426.027964] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 426.032735] new_skb+0x26/0x1c0 [ 426.036016] aoecmd_cfg+0x279/0x7f0 [ 426.039649] ? find_held_lock+0x36/0x1c0 [ 426.043727] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 426.048054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.053615] ? __lock_is_held+0xb5/0x140 [ 426.057693] discover_timer+0x50/0x60 [ 426.061496] call_timer_fn+0x272/0x920 [ 426.065383] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 426.070239] ? process_timeout+0x40/0x40 [ 426.074311] ? __run_timers+0x7da/0xc70 [ 426.078290] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.082788] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.087282] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 426.092128] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.096716] ? trace_hardirqs_on+0xbd/0x310 [ 426.101055] ? kasan_check_read+0x11/0x20 [ 426.105202] ? __run_timers+0x7da/0xc70 [ 426.109180] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.114297] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 426.119139] __run_timers+0x7e5/0xc70 [ 426.122954] ? timer_fixup_init+0x70/0x70 [ 426.127110] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.131607] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.136106] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.140697] ? trace_hardirqs_on+0xbd/0x310 [ 426.145025] ? kasan_check_read+0x11/0x20 [ 426.149194] ? finish_task_switch+0x1f4/0x910 [ 426.153691] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.158798] ? compat_start_thread+0x80/0x80 [ 426.163248] ? pvclock_read_flags+0x160/0x160 [ 426.167745] ? __switch_to_asm+0x34/0x70 [ 426.171809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.177349] ? check_preemption_disabled+0x48/0x280 [ 426.182375] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 426.187926] ? rcu_pm_notify+0xc0/0xc0 [ 426.191821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.197871] ? check_preemption_disabled+0x48/0x280 [ 426.202896] run_timer_softirq+0x52/0xb0 [ 426.206969] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.211989] __do_softirq+0x308/0xb7e [ 426.215795] ? retint_kernel+0x2d/0x2d [ 426.219689] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.224796] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.230245] ? retint_kernel+0x2d/0x2d [ 426.234143] ? schedule+0x108/0x460 [ 426.237785] ? trace_hardirqs_off+0xb8/0x310 [ 426.242195] ? smpboot_thread_fn+0x68b/0xa00 [ 426.246608] ? trace_hardirqs_on+0x310/0x310 [ 426.251018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.256563] ? check_preemption_disabled+0x48/0x280 [ 426.261581] ? takeover_tasklets+0xa90/0xa90 [ 426.265994] run_ksoftirqd+0x5e/0x100 [ 426.269797] smpboot_thread_fn+0x68b/0xa00 [ 426.274035] ? sort_range+0x30/0x30 [ 426.277662] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.282764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.288304] ? __kthread_parkme+0xfb/0x1a0 [ 426.292542] ? sort_range+0x30/0x30 [ 426.296168] kthread+0x35a/0x440 [ 426.299540] ? kthread_stop+0x900/0x900 [ 426.303516] ret_from_fork+0x3a/0x50 [ 426.307250] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 426.307255] warn_alloc_show_mem: 1 callbacks suppressed [ 426.307263] Mem-Info: [ 426.314618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.319989] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 426.319989] active_file:133 inactive_file:117 isolated_file:0 [ 426.319989] unevictable:0 dirty:3 writeback:0 unstable:0 [ 426.319989] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 426.319989] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 426.319989] free:13727 free_pcp:164 free_cma:0 [ 426.322359] Call Trace: [ 426.331752] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 426.364944] [ 426.367512] 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 [ 426.395263] dump_stack+0x244/0x39d [ 426.397399] lowmem_reserve[]: 0 2818 6321 6321 [ 426.423508] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.427111] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 426.431689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.436854] lowmem_reserve[]: 0 0 3503 3503 [ 426.464442] warn_alloc.cold.116+0xb7/0x1bd [ 426.469951] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 426.474280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.478579] lowmem_reserve[]: 0 0 0 0 [ 426.507811] ? lock_downgrade+0x900/0x900 [ 426.512627] 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 [ 426.516435] ? trace_hardirqs_off+0xb8/0x310 [ 426.520549] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 426.534071] ? trace_hardirqs_off+0xb8/0x310 [ 426.538453] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 426.553795] __alloc_pages_slowpath+0x2651/0x2de0 [ 426.558180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.571714] ? warn_alloc+0x120/0x120 [ 426.576514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.585334] ? print_usage_bug+0xc0/0xc0 [ 426.589114] 2220 total pagecache pages [ 426.597681] ? warn_alloc+0x120/0x120 [ 426.601723] 0 pages in swap cache [ 426.605602] ? warn_alloc+0x120/0x120 [ 426.609385] Swap cache stats: add 0, delete 0, find 0/0 [ 426.612833] ? print_usage_bug+0xc0/0xc0 [ 426.616612] Free swap = 0kB [ 426.621967] ? print_usage_bug+0xc0/0xc0 [ 426.626004] Total swap = 0kB [ 426.629019] ? __lock_acquire+0x62f/0x4c20 [ 426.633102] 1965979 pages RAM [ 426.636116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.640328] 0 pages HighMem/MovableOnly [ 426.643431] ? should_fail+0x22d/0xd01 [ 426.648940] 342854 pages reserved [ 426.652912] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.656783] 0 pages cma reserved [ 426.660232] ? __lock_acquire+0x62f/0x4c20 [ 426.665402] aoe: skb alloc failure [ 426.668671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.672948] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.676430] ? __lock_acquire+0x62f/0x4c20 [ 426.681504] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 426.691812] ? should_fail+0x22d/0xd01 [ 426.704555] ? find_held_lock+0x36/0x1c0 [ 426.708629] ? mark_held_locks+0x130/0x130 [ 426.712869] ? mark_held_locks+0x130/0x130 [ 426.717105] ? zap_class+0x640/0x640 [ 426.720822] ? zap_class+0x640/0x640 [ 426.724543] ? print_usage_bug+0xc0/0xc0 [ 426.728608] ? do_raw_spin_unlock+0xa7/0x330 [ 426.733020] ? zap_class+0x640/0x640 [ 426.736735] ? print_usage_bug+0xc0/0xc0 [ 426.740800] ? wq_watchdog_touch+0x9c/0xfe [ 426.745037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.750580] ? check_preemption_disabled+0x48/0x280 [ 426.755612] ? __lock_is_held+0xb5/0x140 [ 426.759681] __alloc_pages_nodemask+0xad8/0xea0 [ 426.764353] ? zap_class+0x640/0x640 [ 426.768072] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 426.773100] ? find_held_lock+0x36/0x1c0 [ 426.777173] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.781860] ? lock_downgrade+0x900/0x900 [ 426.786020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.791562] cache_grow_begin+0xa5/0x8c0 [ 426.795622] ? do_raw_spin_unlock+0xa7/0x330 [ 426.800043] fallback_alloc+0x204/0x2e0 [ 426.804026] ____cache_alloc_node+0x1c7/0x1e0 [ 426.808530] kmem_cache_alloc_node+0xe3/0x730 [ 426.813032] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.817281] __alloc_skb+0x119/0x770 [ 426.820997] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.826279] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.830687] ? lock_downgrade+0x900/0x900 [ 426.834847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.840387] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.845872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.851321] ? addrconf_rs_timer+0x690/0x690 [ 426.855747] ndisc_alloc_skb+0x144/0x340 [ 426.859815] ndisc_send_rs+0x331/0x6e0 [ 426.863706] addrconf_rs_timer+0x314/0x690 [ 426.867946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.872204] call_timer_fn+0x272/0x920 [ 426.876091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.880340] ? process_timeout+0x40/0x40 [ 426.884423] ? __run_timers+0x7da/0xc70 [ 426.888408] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.892909] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.897420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.901658] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.906247] ? trace_hardirqs_on+0xbd/0x310 [ 426.910567] ? kasan_check_read+0x11/0x20 [ 426.914713] ? __run_timers+0x7da/0xc70 [ 426.918702] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.923818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.928050] __run_timers+0x7e5/0xc70 [ 426.931859] ? timer_fixup_init+0x70/0x70 [ 426.936007] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.941026] ? zap_class+0x640/0x640 [ 426.944775] ? enqueue_hrtimer+0x1a5/0x560 [ 426.949011] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.954212] ? find_held_lock+0x36/0x1c0 [ 426.958278] ? zap_class+0x640/0x640 [ 426.961995] ? pvclock_read_flags+0x160/0x160 [ 426.966496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.972039] ? check_preemption_disabled+0x48/0x280 [ 426.977064] ? __lock_is_held+0xb5/0x140 [ 426.981143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.986682] ? check_preemption_disabled+0x48/0x280 [ 426.991709] run_timer_softirq+0x52/0xb0 [ 426.995782] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.000813] __do_softirq+0x308/0xb7e [ 427.004619] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.009113] ? lock_downgrade+0x900/0x900 [ 427.013268] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.018382] ? pvclock_read_flags+0x160/0x160 [ 427.022900] ? lapic_next_event+0x5a/0x90 [ 427.027055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.032599] ? kvm_clock_read+0x18/0x30 [ 427.036574] ? kvm_sched_clock_read+0x9/0x20 [ 427.040986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.046526] ? check_preemption_disabled+0x48/0x280 [ 427.051554] irq_exit+0x17f/0x1c0 [ 427.055008] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.059865] ? smp_reschedule_interrupt+0x109/0x650 [ 427.065330] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.071245] ? interrupt_entry+0xb5/0xc0 [ 427.075310] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.080326] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.085347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.090195] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.095225] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.100249] ? task_prio+0x50/0x50 [ 427.103790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.109331] ? check_preemption_disabled+0x48/0x280 [ 427.114369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.119237] apic_timer_interrupt+0xf/0x20 [ 427.123480] [ 427.125747] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 427.130681] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 427.149582] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 427.157306] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 427.164574] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 427.171843] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 427.179127] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 427.186405] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 427.193719] skb_clone+0x1bb/0x500 [ 427.197260] ? skb_split+0x11e0/0x11e0 [ 427.201152] ? preempt_notifier_register+0x200/0x200 [ 427.206252] ? __switch_to_asm+0x34/0x70 [ 427.210311] ? __switch_to_asm+0x34/0x70 [ 427.214371] ? __switch_to_asm+0x40/0x70 [ 427.218445] ? __switch_to_asm+0x34/0x70 [ 427.222505] ? __switch_to_asm+0x40/0x70 [ 427.226565] ? __switch_to_asm+0x40/0x70 [ 427.230625] ? __switch_to_asm+0x34/0x70 [ 427.234686] ? __switch_to_asm+0x34/0x70 [ 427.238743] ? __switch_to_asm+0x40/0x70 [ 427.242803] ? __switch_to_asm+0x34/0x70 [ 427.246914] bpf_clone_redirect+0xb9/0x490 [ 427.251160] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 427.256182] ? __sched_text_start+0x8/0x8 [ 427.260345] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.265117] ? find_held_lock+0x36/0x1c0 [ 427.269185] ? lock_acquire+0x1ed/0x520 [ 427.273163] ? bpf_test_run+0x3ee/0x7a0 [ 427.277137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.282675] ? check_preemption_disabled+0x48/0x280 [ 427.287697] ? kasan_check_read+0x11/0x20 [ 427.291846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.297124] ? rcu_softirq_qs+0x20/0x20 [ 427.301101] ? preempt_schedule+0x4d/0x60 [ 427.305253] ? ___preempt_schedule+0x16/0x18 [ 427.309671] ? bpf_test_run+0x271/0x7a0 [ 427.313660] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.318073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.323612] ? bpf_test_init.isra.10+0x70/0x100 [ 427.328292] ? bpf_prog_test_run_skb+0x762/0xd60 [ 427.333094] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.337952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.343503] ? fput+0x130/0x1a0 [ 427.346792] ? __bpf_prog_get+0x9b/0x290 [ 427.350858] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.355703] ? bpf_prog_test_run+0x130/0x1a0 [ 427.360120] ? __x64_sys_bpf+0x3d8/0x520 [ 427.364179] ? bpf_prog_get+0x20/0x20 [ 427.368004] ? do_syscall_64+0x1b9/0x820 [ 427.372063] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.377441] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.382384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.387248] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.392264] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.397287] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.402312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.407161] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.412547] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 427.412617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.419473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.419479] Call Trace: [ 427.419498] dump_stack+0x244/0x39d [ 427.419522] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.426051] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.435341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.437901] syz-executor2 cpuset=syz2 mems_allowed=0 [ 427.441536] warn_alloc.cold.116+0xb7/0x1bd [ 427.472084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.476935] ? lock_downgrade+0x900/0x900 [ 427.481093] ? trace_hardirqs_off+0xb8/0x310 [ 427.485508] ? trace_hardirqs_off+0xb8/0x310 [ 427.489929] __alloc_pages_slowpath+0x2651/0x2de0 [ 427.494806] ? warn_alloc+0x120/0x120 [ 427.498612] ? warn_alloc+0x120/0x120 [ 427.502427] ? warn_alloc+0x120/0x120 [ 427.506236] ? print_usage_bug+0xc0/0xc0 [ 427.510303] ? print_usage_bug+0xc0/0xc0 [ 427.514370] ? mark_held_locks+0x130/0x130 [ 427.518622] ? mark_held_locks+0x130/0x130 [ 427.522860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.528411] ? should_fail+0x22d/0xd01 [ 427.532298] ? zap_class+0x640/0x640 [ 427.536030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.541137] ? __lock_acquire+0x62f/0x4c20 [ 427.545378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.550497] ? __lock_acquire+0x62f/0x4c20 [ 427.554733] ? should_fail+0x22d/0xd01 [ 427.558631] ? mark_held_locks+0x130/0x130 [ 427.562876] ? mark_held_locks+0x130/0x130 [ 427.567112] ? lock_downgrade+0x900/0x900 [ 427.571261] ? zap_class+0x640/0x640 [ 427.574984] ? zap_class+0x640/0x640 [ 427.578695] ? do_raw_spin_unlock+0xa7/0x330 [ 427.583108] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.587867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.593413] ? check_preemption_disabled+0x48/0x280 [ 427.598469] ? __lock_is_held+0xb5/0x140 [ 427.602550] __alloc_pages_nodemask+0xad8/0xea0 [ 427.607229] ? zap_class+0x640/0x640 [ 427.610965] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 427.616010] ? find_held_lock+0x36/0x1c0 [ 427.620099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.624801] ? lock_downgrade+0x900/0x900 [ 427.628979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.634524] cache_grow_begin+0xa5/0x8c0 [ 427.638590] ? do_raw_spin_unlock+0xa7/0x330 [ 427.643007] fallback_alloc+0x204/0x2e0 [ 427.646990] ____cache_alloc_node+0x1c7/0x1e0 [ 427.651497] kmem_cache_alloc_node+0xe3/0x730 [ 427.655995] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.660591] __alloc_skb+0x119/0x770 [ 427.664307] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 427.669680] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.674097] ? vprintk_default+0x28/0x30 [ 427.678177] ? vprintk_func+0x85/0x181 [ 427.682066] ? printk+0xa7/0xcf [ 427.685345] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 427.690114] new_skb+0x26/0x1c0 [ 427.693408] aoecmd_cfg+0x279/0x7f0 [ 427.697041] ? find_held_lock+0x36/0x1c0 [ 427.701118] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 427.705463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.711014] ? __lock_is_held+0xb5/0x140 [ 427.715091] discover_timer+0x50/0x60 [ 427.718908] call_timer_fn+0x272/0x920 [ 427.722818] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 427.727660] ? process_timeout+0x40/0x40 [ 427.731732] ? __run_timers+0x7da/0xc70 [ 427.735709] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.740225] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.744730] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 427.749592] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.754176] ? trace_hardirqs_on+0xbd/0x310 [ 427.758503] ? kasan_check_read+0x11/0x20 [ 427.762653] ? __run_timers+0x7da/0xc70 [ 427.766628] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.771747] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 427.776591] __run_timers+0x7e5/0xc70 [ 427.780411] ? timer_fixup_init+0x70/0x70 [ 427.784558] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.789053] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.793551] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.798153] ? trace_hardirqs_on+0xbd/0x310 [ 427.802479] ? kasan_check_read+0x11/0x20 [ 427.806629] ? finish_task_switch+0x1f4/0x910 [ 427.811130] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.816232] ? compat_start_thread+0x80/0x80 [ 427.820661] ? pvclock_read_flags+0x160/0x160 [ 427.825155] ? __switch_to_asm+0x34/0x70 [ 427.829249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.834792] ? check_preemption_disabled+0x48/0x280 [ 427.839819] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 427.845362] ? rcu_pm_notify+0xc0/0xc0 [ 427.849258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.854796] ? check_preemption_disabled+0x48/0x280 [ 427.859849] run_timer_softirq+0x52/0xb0 [ 427.863910] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.868982] __do_softirq+0x308/0xb7e [ 427.872799] ? retint_kernel+0x2d/0x2d [ 427.876708] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.881814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.887263] ? retint_kernel+0x2d/0x2d [ 427.891160] ? schedule+0x108/0x460 [ 427.894797] ? trace_hardirqs_off+0xb8/0x310 [ 427.899206] ? smpboot_thread_fn+0x68b/0xa00 [ 427.903614] ? trace_hardirqs_on+0x310/0x310 [ 427.908028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.913569] ? check_preemption_disabled+0x48/0x280 [ 427.918586] ? takeover_tasklets+0xa90/0xa90 [ 427.923001] run_ksoftirqd+0x5e/0x100 [ 427.926803] smpboot_thread_fn+0x68b/0xa00 [ 427.931042] ? sort_range+0x30/0x30 [ 427.934670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.939776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.945315] ? __kthread_parkme+0xfb/0x1a0 [ 427.949553] ? sort_range+0x30/0x30 [ 427.953181] kthread+0x35a/0x440 [ 427.956553] ? kthread_stop+0x900/0x900 [ 427.960530] ret_from_fork+0x3a/0x50 [ 427.964262] warn_alloc_show_mem: 1 callbacks suppressed [ 427.964274] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 427.964276] Mem-Info: [ 427.964309] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 427.964309] active_file:133 inactive_file:117 isolated_file:0 [ 427.964309] unevictable:0 dirty:3 writeback:0 unstable:0 [ 427.964309] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 427.964309] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 427.964309] free:13727 free_pcp:164 free_cma:0 [ 427.969638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.969647] Call Trace: [ 427.977015] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 427.979422] [ 428.012635] 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 [ 428.021989] dump_stack+0x244/0x39d [ 428.024548] lowmem_reserve[]: 0 2818 6321 6321 [ 428.052303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.054443] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 428.080548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.084148] lowmem_reserve[]: 0 0 3503 3503 [ 428.088731] warn_alloc.cold.116+0xb7/0x1bd [ 428.093908] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 428.121488] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.127000] lowmem_reserve[]: 0 0 0 0 [ 428.131315] ? lock_downgrade+0x900/0x900 [ 428.135616] 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 [ 428.164850] ? trace_hardirqs_off+0xb8/0x310 [ 428.169666] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 428.173461] ? trace_hardirqs_off+0xb8/0x310 [ 428.177583] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 428.191103] __alloc_pages_slowpath+0x2651/0x2de0 [ 428.195969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.211332] ? warn_alloc+0x120/0x120 [ 428.215700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.229211] ? print_usage_bug+0xc0/0xc0 [ 428.234032] 2220 total pagecache pages [ 428.242857] ? warn_alloc+0x120/0x120 [ 428.246640] 0 pages in swap cache [ 428.255202] ? warn_alloc+0x120/0x120 [ 428.259244] Swap cache stats: add 0, delete 0, find 0/0 [ 428.263136] ? print_usage_bug+0xc0/0xc0 [ 428.266920] Free swap = 0kB [ 428.270363] ? print_usage_bug+0xc0/0xc0 [ 428.274143] Total swap = 0kB [ 428.279502] ? __lock_acquire+0x62f/0x4c20 [ 428.283539] 1965979 pages RAM [ 428.286555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.290592] 0 pages HighMem/MovableOnly [ 428.293607] ? should_fail+0x22d/0xd01 [ 428.297815] 342854 pages reserved [ 428.300916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.306449] 0 pages cma reserved [ 428.310431] ? __lock_acquire+0x62f/0x4c20 [ 428.314356] aoe: skb alloc failure [ 428.317737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.322877] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.326184] ? __lock_acquire+0x62f/0x4c20 [ 428.330403] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 428.333944] ? should_fail+0x22d/0xd01 [ 428.362108] ? find_held_lock+0x36/0x1c0 [ 428.366177] ? mark_held_locks+0x130/0x130 [ 428.370431] ? mark_held_locks+0x130/0x130 [ 428.374667] ? zap_class+0x640/0x640 [ 428.378381] ? zap_class+0x640/0x640 [ 428.382111] ? print_usage_bug+0xc0/0xc0 [ 428.386173] ? do_raw_spin_unlock+0xa7/0x330 [ 428.390585] ? zap_class+0x640/0x640 [ 428.394299] ? print_usage_bug+0xc0/0xc0 [ 428.398364] ? wq_watchdog_touch+0x9c/0xfe [ 428.402608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.408153] ? check_preemption_disabled+0x48/0x280 [ 428.413190] ? __lock_is_held+0xb5/0x140 [ 428.417270] __alloc_pages_nodemask+0xad8/0xea0 [ 428.421938] ? zap_class+0x640/0x640 [ 428.425657] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 428.430685] ? find_held_lock+0x36/0x1c0 [ 428.434760] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.439440] ? lock_downgrade+0x900/0x900 [ 428.443596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.449142] cache_grow_begin+0xa5/0x8c0 [ 428.453206] ? do_raw_spin_unlock+0xa7/0x330 [ 428.457622] fallback_alloc+0x204/0x2e0 [ 428.461603] ____cache_alloc_node+0x1c7/0x1e0 [ 428.466105] kmem_cache_alloc_node+0xe3/0x730 [ 428.470605] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.474853] __alloc_skb+0x119/0x770 [ 428.478568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.483849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.488256] ? lock_downgrade+0x900/0x900 [ 428.492424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.497967] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.503437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.508889] ? addrconf_rs_timer+0x690/0x690 [ 428.513310] ndisc_alloc_skb+0x144/0x340 [ 428.517378] ndisc_send_rs+0x331/0x6e0 [ 428.521283] addrconf_rs_timer+0x314/0x690 [ 428.525522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.529768] call_timer_fn+0x272/0x920 [ 428.533659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.537935] ? process_timeout+0x40/0x40 [ 428.542017] ? __run_timers+0x7da/0xc70 [ 428.545992] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.550504] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.554999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.559236] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.563820] ? trace_hardirqs_on+0xbd/0x310 [ 428.568141] ? kasan_check_read+0x11/0x20 [ 428.572287] ? __run_timers+0x7da/0xc70 [ 428.576264] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.581381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.585640] __run_timers+0x7e5/0xc70 [ 428.589462] ? timer_fixup_init+0x70/0x70 [ 428.593611] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.598627] ? zap_class+0x640/0x640 [ 428.602348] ? enqueue_hrtimer+0x1a5/0x560 [ 428.606587] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.611790] ? find_held_lock+0x36/0x1c0 [ 428.615872] ? zap_class+0x640/0x640 [ 428.619609] ? pvclock_read_flags+0x160/0x160 [ 428.624121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.629663] ? check_preemption_disabled+0x48/0x280 [ 428.634690] ? __lock_is_held+0xb5/0x140 [ 428.638752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.644291] ? check_preemption_disabled+0x48/0x280 [ 428.649315] run_timer_softirq+0x52/0xb0 [ 428.653381] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.658433] __do_softirq+0x308/0xb7e [ 428.662271] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 428.666793] ? lock_downgrade+0x900/0x900 [ 428.670978] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.676103] ? pvclock_read_flags+0x160/0x160 [ 428.680604] ? lapic_next_event+0x5a/0x90 [ 428.684780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.690320] ? kvm_clock_read+0x18/0x30 [ 428.694297] ? kvm_sched_clock_read+0x9/0x20 [ 428.698712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.704252] ? check_preemption_disabled+0x48/0x280 [ 428.709290] irq_exit+0x17f/0x1c0 [ 428.712744] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.717591] ? smp_reschedule_interrupt+0x109/0x650 [ 428.722608] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.728495] ? interrupt_entry+0xb5/0xc0 [ 428.732561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.737577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.742594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.747445] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.752462] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.757483] ? task_prio+0x50/0x50 [ 428.761024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.766563] ? check_preemption_disabled+0x48/0x280 [ 428.771585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.776445] apic_timer_interrupt+0xf/0x20 [ 428.780675] [ 428.782912] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.787841] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 428.806743] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 428.814480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.821747] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 428.829017] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 428.836287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.843573] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 428.850876] skb_clone+0x1bb/0x500 [ 428.854430] ? skb_split+0x11e0/0x11e0 [ 428.858326] ? preempt_notifier_register+0x200/0x200 [ 428.863433] ? __switch_to_asm+0x34/0x70 [ 428.867490] ? __switch_to_asm+0x34/0x70 [ 428.871576] ? __switch_to_asm+0x40/0x70 [ 428.875633] ? __switch_to_asm+0x34/0x70 [ 428.879691] ? __switch_to_asm+0x40/0x70 [ 428.883755] ? __switch_to_asm+0x40/0x70 [ 428.887813] ? __switch_to_asm+0x34/0x70 [ 428.891872] ? __switch_to_asm+0x34/0x70 [ 428.895936] ? __switch_to_asm+0x40/0x70 [ 428.900008] ? __switch_to_asm+0x34/0x70 [ 428.904088] bpf_clone_redirect+0xb9/0x490 [ 428.908332] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 428.913361] ? __sched_text_start+0x8/0x8 [ 428.917518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 428.922298] ? find_held_lock+0x36/0x1c0 [ 428.926380] ? lock_acquire+0x1ed/0x520 [ 428.930406] ? bpf_test_run+0x3ee/0x7a0 [ 428.934446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.939987] ? check_preemption_disabled+0x48/0x280 [ 428.945009] ? kasan_check_read+0x11/0x20 [ 428.949160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.954447] ? rcu_softirq_qs+0x20/0x20 [ 428.958454] ? preempt_schedule+0x4d/0x60 [ 428.962606] ? ___preempt_schedule+0x16/0x18 [ 428.967027] ? bpf_test_run+0x271/0x7a0 [ 428.971016] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.975441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.980981] ? bpf_test_init.isra.10+0x70/0x100 [ 428.985659] ? bpf_prog_test_run_skb+0x762/0xd60 [ 428.990445] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.995298] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 429.000837] ? fput+0x130/0x1a0 [ 429.004123] ? __bpf_prog_get+0x9b/0x290 [ 429.008208] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 429.013057] ? bpf_prog_test_run+0x130/0x1a0 [ 429.017472] ? __x64_sys_bpf+0x3d8/0x520 [ 429.021534] ? bpf_prog_get+0x20/0x20 [ 429.025354] ? do_syscall_64+0x1b9/0x820 [ 429.029428] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 429.034800] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.039731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.044576] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.049594] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 429.054614] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.059636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.064984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.070366] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 429.070449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.077304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.077314] Call Trace: [ 429.083917] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.093182] dump_stack+0x244/0x39d [ 429.095773] syz-executor2 cpuset=syz2 mems_allowed=0 [ 429.106252] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.120126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.125673] warn_alloc.cold.116+0xb7/0x1bd [ 429.130016] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.134864] ? lock_downgrade+0x900/0x900 [ 429.139021] ? trace_hardirqs_off+0xb8/0x310 [ 429.143439] ? trace_hardirqs_off+0xb8/0x310 [ 429.147874] __alloc_pages_slowpath+0x2651/0x2de0 [ 429.152747] ? warn_alloc+0x120/0x120 [ 429.156554] ? warn_alloc+0x120/0x120 [ 429.160360] ? warn_alloc+0x120/0x120 [ 429.164191] ? print_usage_bug+0xc0/0xc0 [ 429.168257] ? print_usage_bug+0xc0/0xc0 [ 429.172320] ? mark_held_locks+0x130/0x130 [ 429.176558] ? mark_held_locks+0x130/0x130 [ 429.180797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.186349] ? should_fail+0x22d/0xd01 [ 429.190234] ? zap_class+0x640/0x640 [ 429.193971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.199076] ? __lock_acquire+0x62f/0x4c20 [ 429.203318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.208432] ? __lock_acquire+0x62f/0x4c20 [ 429.212668] ? should_fail+0x22d/0xd01 [ 429.216568] ? mark_held_locks+0x130/0x130 [ 429.220811] ? mark_held_locks+0x130/0x130 [ 429.225045] ? lock_downgrade+0x900/0x900 [ 429.229207] ? zap_class+0x640/0x640 [ 429.232933] ? zap_class+0x640/0x640 [ 429.236647] ? do_raw_spin_unlock+0xa7/0x330 [ 429.241057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.245820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.251376] ? check_preemption_disabled+0x48/0x280 [ 429.256443] ? __lock_is_held+0xb5/0x140 [ 429.260526] __alloc_pages_nodemask+0xad8/0xea0 [ 429.265239] ? zap_class+0x640/0x640 [ 429.268962] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 429.273993] ? find_held_lock+0x36/0x1c0 [ 429.278082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.282770] ? lock_downgrade+0x900/0x900 [ 429.286931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.292478] cache_grow_begin+0xa5/0x8c0 [ 429.296544] ? do_raw_spin_unlock+0xa7/0x330 [ 429.300965] fallback_alloc+0x204/0x2e0 [ 429.304950] ____cache_alloc_node+0x1c7/0x1e0 [ 429.309454] kmem_cache_alloc_node+0xe3/0x730 [ 429.313952] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.318549] __alloc_skb+0x119/0x770 [ 429.322262] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.327629] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.332066] ? vprintk_default+0x28/0x30 [ 429.336145] ? vprintk_func+0x85/0x181 [ 429.340036] ? printk+0xa7/0xcf [ 429.343315] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 429.348081] new_skb+0x26/0x1c0 [ 429.351367] aoecmd_cfg+0x279/0x7f0 [ 429.355005] ? find_held_lock+0x36/0x1c0 [ 429.359069] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 429.363408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.368987] ? __lock_is_held+0xb5/0x140 [ 429.373061] discover_timer+0x50/0x60 [ 429.376863] call_timer_fn+0x272/0x920 [ 429.380753] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.385594] ? process_timeout+0x40/0x40 [ 429.389695] ? __run_timers+0x7da/0xc70 [ 429.393675] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.398173] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.402670] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.407512] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.412096] ? trace_hardirqs_on+0xbd/0x310 [ 429.416438] ? kasan_check_read+0x11/0x20 [ 429.420599] ? __run_timers+0x7da/0xc70 [ 429.424579] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.429700] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.434540] __run_timers+0x7e5/0xc70 [ 429.438367] ? timer_fixup_init+0x70/0x70 [ 429.442523] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.447023] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.451532] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.456133] ? trace_hardirqs_on+0xbd/0x310 [ 429.460455] ? kasan_check_read+0x11/0x20 [ 429.464606] ? finish_task_switch+0x1f4/0x910 [ 429.469106] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.474211] ? compat_start_thread+0x80/0x80 [ 429.478642] ? pvclock_read_flags+0x160/0x160 [ 429.483134] ? __switch_to_asm+0x34/0x70 [ 429.487195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.492735] ? check_preemption_disabled+0x48/0x280 [ 429.497763] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 429.503305] ? rcu_pm_notify+0xc0/0xc0 [ 429.507198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.512738] ? check_preemption_disabled+0x48/0x280 [ 429.517758] run_timer_softirq+0x52/0xb0 [ 429.521818] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.526839] __do_softirq+0x308/0xb7e [ 429.530660] ? retint_kernel+0x2d/0x2d [ 429.534556] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.539659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.545113] ? retint_kernel+0x2d/0x2d [ 429.549020] ? schedule+0x108/0x460 [ 429.552679] ? trace_hardirqs_off+0xb8/0x310 [ 429.557092] ? smpboot_thread_fn+0x68b/0xa00 [ 429.561502] ? trace_hardirqs_on+0x310/0x310 [ 429.565912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.571459] ? check_preemption_disabled+0x48/0x280 [ 429.576494] ? takeover_tasklets+0xa90/0xa90 [ 429.580921] run_ksoftirqd+0x5e/0x100 [ 429.584721] smpboot_thread_fn+0x68b/0xa00 [ 429.588963] ? sort_range+0x30/0x30 [ 429.592590] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.597695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.603234] ? __kthread_parkme+0xfb/0x1a0 [ 429.607474] ? sort_range+0x30/0x30 [ 429.611103] kthread+0x35a/0x440 [ 429.614473] ? kthread_stop+0x900/0x900 [ 429.618453] ret_from_fork+0x3a/0x50 [ 429.622181] warn_alloc_show_mem: 1 callbacks suppressed [ 429.622193] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 429.622195] Mem-Info: [ 429.622228] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 429.622228] active_file:133 inactive_file:117 isolated_file:0 [ 429.622228] unevictable:0 dirty:3 writeback:0 unstable:0 [ 429.622228] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 429.622228] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 429.622228] free:13727 free_pcp:164 free_cma:0 [ 429.627562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.634931] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 429.637323] Call Trace: [ 429.670534] 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 [ 429.679877] [ 429.707618] lowmem_reserve[]: 0 2818 6321 6321 [ 429.710199] dump_stack+0x244/0x39d [ 429.736280] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 429.738435] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.742990] lowmem_reserve[]: 0 0 3503 3503 [ 429.746611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.774173] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 429.779359] warn_alloc.cold.116+0xb7/0x1bd [ 429.783651] lowmem_reserve[]: 0 0 0 0 [ 429.789195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.818413] 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 [ 429.822735] ? lock_downgrade+0x900/0x900 [ 429.826509] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 429.831350] ? trace_hardirqs_off+0xb8/0x310 [ 429.844859] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 429.849048] ? trace_hardirqs_off+0xb8/0x310 [ 429.864371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.868797] __alloc_pages_slowpath+0x2651/0x2de0 [ 429.882300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.886715] ? warn_alloc+0x120/0x120 [ 429.895507] 2220 total pagecache pages [ 429.900341] ? print_usage_bug+0xc0/0xc0 [ 429.908896] 0 pages in swap cache [ 429.912693] ? warn_alloc+0x120/0x120 [ 429.916557] Swap cache stats: add 0, delete 0, find 0/0 [ 429.920606] ? warn_alloc+0x120/0x120 [ 429.924034] Free swap = 0kB [ 429.927828] ? print_usage_bug+0xc0/0xc0 [ 429.933169] Total swap = 0kB [ 429.936964] ? kvm_clock_read+0x18/0x30 [ 429.939955] 1965979 pages RAM [ 429.944022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.947014] 0 pages HighMem/MovableOnly [ 429.950983] ? print_usage_bug+0xc0/0xc0 [ 429.954063] 342854 pages reserved [ 429.959073] ? __lock_acquire+0x62f/0x4c20 [ 429.963021] 0 pages cma reserved [ 429.967073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.970582] aoe: skb alloc failure [ 429.974727] ? should_fail+0x22d/0xd01 [ 429.978096] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.983602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.987116] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 429.990998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.016318] ? __lock_acquire+0x62f/0x4c20 [ 430.020558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.025692] ? __lock_acquire+0x62f/0x4c20 [ 430.029924] ? should_fail+0x22d/0xd01 [ 430.033822] ? rcu_irq_exit+0x1a2/0x390 [ 430.037808] ? mark_held_locks+0x130/0x130 [ 430.042046] ? mark_held_locks+0x130/0x130 [ 430.046290] ? mark_held_locks+0xc7/0x130 [ 430.050456] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 430.055484] ? zap_class+0x640/0x640 [ 430.059196] ? print_usage_bug+0xc0/0xc0 [ 430.063265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.068830] ? check_preemption_disabled+0x48/0x280 [ 430.073873] ? __lock_is_held+0xb5/0x140 [ 430.077972] __alloc_pages_nodemask+0xad8/0xea0 [ 430.082644] ? zap_class+0x640/0x640 [ 430.086404] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 430.091459] ? find_held_lock+0x36/0x1c0 [ 430.095536] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.100223] ? lock_downgrade+0x900/0x900 [ 430.104376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.109930] cache_grow_begin+0xa5/0x8c0 [ 430.113995] ? do_raw_spin_unlock+0xa7/0x330 [ 430.118427] fallback_alloc+0x204/0x2e0 [ 430.122436] ____cache_alloc_node+0x1c7/0x1e0 [ 430.126967] kmem_cache_alloc_node+0xe3/0x730 [ 430.131462] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.135712] __alloc_skb+0x119/0x770 [ 430.139432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.144713] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.149123] ? lock_downgrade+0x900/0x900 [ 430.153281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.158836] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.164287] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.169739] ? addrconf_rs_timer+0x690/0x690 [ 430.174160] ndisc_alloc_skb+0x144/0x340 [ 430.178228] ndisc_send_rs+0x331/0x6e0 [ 430.182139] addrconf_rs_timer+0x314/0x690 [ 430.186379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.190640] call_timer_fn+0x272/0x920 [ 430.194655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.198896] ? process_timeout+0x40/0x40 [ 430.202965] ? __run_timers+0x7da/0xc70 [ 430.206943] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.211440] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.215952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.220186] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.224782] ? trace_hardirqs_on+0xbd/0x310 [ 430.229102] ? kasan_check_read+0x11/0x20 [ 430.233246] ? __run_timers+0x7da/0xc70 [ 430.237221] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.242330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.246588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.250820] __run_timers+0x7e5/0xc70 [ 430.254635] ? timer_fixup_init+0x70/0x70 [ 430.258788] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.263809] ? zap_class+0x640/0x640 [ 430.267528] ? enqueue_hrtimer+0x1a5/0x560 [ 430.271766] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.276965] ? find_held_lock+0x36/0x1c0 [ 430.281035] ? zap_class+0x640/0x640 [ 430.284756] ? pvclock_read_flags+0x160/0x160 [ 430.289259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.294797] ? check_preemption_disabled+0x48/0x280 [ 430.299826] ? __lock_is_held+0xb5/0x140 [ 430.303889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.309454] ? check_preemption_disabled+0x48/0x280 [ 430.314479] run_timer_softirq+0x52/0xb0 [ 430.318542] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.323558] __do_softirq+0x308/0xb7e [ 430.327366] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.331879] ? lock_downgrade+0x900/0x900 [ 430.336030] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.341152] ? pvclock_read_flags+0x160/0x160 [ 430.345655] ? lapic_next_event+0x5a/0x90 [ 430.349809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.355356] ? kvm_clock_read+0x18/0x30 [ 430.359331] ? kvm_sched_clock_read+0x9/0x20 [ 430.363743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.369281] ? check_preemption_disabled+0x48/0x280 [ 430.374306] irq_exit+0x17f/0x1c0 [ 430.377765] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.382606] ? smp_reschedule_interrupt+0x109/0x650 [ 430.387623] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.393507] ? interrupt_entry+0xb5/0xc0 [ 430.397590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.402605] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.407627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.412486] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.417500] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.422526] ? task_prio+0x50/0x50 [ 430.426087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.431624] ? check_preemption_disabled+0x48/0x280 [ 430.436646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.441503] apic_timer_interrupt+0xf/0x20 [ 430.445731] [ 430.447969] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.452902] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 430.471803] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 430.479510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.486777] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 430.494043] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 430.501310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.508580] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 430.515916] skb_clone+0x1bb/0x500 [ 430.519459] ? skb_split+0x11e0/0x11e0 [ 430.523354] ? preempt_notifier_register+0x200/0x200 [ 430.528472] ? __switch_to_asm+0x34/0x70 [ 430.532551] ? __switch_to_asm+0x34/0x70 [ 430.536613] ? __switch_to_asm+0x40/0x70 [ 430.540674] ? __switch_to_asm+0x34/0x70 [ 430.544736] ? __switch_to_asm+0x40/0x70 [ 430.548800] ? __switch_to_asm+0x40/0x70 [ 430.552873] ? __switch_to_asm+0x34/0x70 [ 430.556948] ? __switch_to_asm+0x34/0x70 [ 430.561008] ? __switch_to_asm+0x40/0x70 [ 430.565079] ? __switch_to_asm+0x34/0x70 [ 430.569165] bpf_clone_redirect+0xb9/0x490 [ 430.573426] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 430.578450] ? __sched_text_start+0x8/0x8 [ 430.582599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.587387] ? find_held_lock+0x36/0x1c0 [ 430.591486] ? lock_acquire+0x1ed/0x520 [ 430.595464] ? bpf_test_run+0x3ee/0x7a0 [ 430.599490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.605032] ? check_preemption_disabled+0x48/0x280 [ 430.610058] ? kasan_check_read+0x11/0x20 [ 430.614205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.619483] ? rcu_softirq_qs+0x20/0x20 [ 430.623463] ? preempt_schedule+0x4d/0x60 [ 430.627611] ? ___preempt_schedule+0x16/0x18 [ 430.632030] ? bpf_test_run+0x271/0x7a0 [ 430.636017] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.640437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.645976] ? bpf_test_init.isra.10+0x70/0x100 [ 430.650652] ? bpf_prog_test_run_skb+0x762/0xd60 [ 430.655432] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.660285] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.665837] ? fput+0x130/0x1a0 [ 430.669123] ? __bpf_prog_get+0x9b/0x290 [ 430.673206] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.678051] ? bpf_prog_test_run+0x130/0x1a0 [ 430.682465] ? __x64_sys_bpf+0x3d8/0x520 [ 430.686528] ? bpf_prog_get+0x20/0x20 [ 430.690351] ? do_syscall_64+0x1b9/0x820 [ 430.694422] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.699795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.704726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.709573] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.714592] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.719617] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.724643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.729494] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.734876] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 430.734946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.741809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.741814] Call Trace: [ 430.741832] dump_stack+0x244/0x39d [ 430.741856] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.748380] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.757674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.760233] syz-executor2 cpuset=syz2 mems_allowed=0 [ 430.763855] warn_alloc.cold.116+0xb7/0x1bd [ 430.794409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.799260] ? lock_downgrade+0x900/0x900 [ 430.803426] ? trace_hardirqs_off+0xb8/0x310 [ 430.807845] ? trace_hardirqs_off+0xb8/0x310 [ 430.812267] __alloc_pages_slowpath+0x2651/0x2de0 [ 430.817139] ? warn_alloc+0x120/0x120 [ 430.820949] ? warn_alloc+0x120/0x120 [ 430.824768] ? warn_alloc+0x120/0x120 [ 430.828566] ? print_usage_bug+0xc0/0xc0 [ 430.832636] ? print_usage_bug+0xc0/0xc0 [ 430.836697] ? mark_held_locks+0x130/0x130 [ 430.840940] ? mark_held_locks+0x130/0x130 [ 430.845181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.850723] ? should_fail+0x22d/0xd01 [ 430.854608] ? zap_class+0x640/0x640 [ 430.858327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.863434] ? __lock_acquire+0x62f/0x4c20 [ 430.867679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.872780] ? __lock_acquire+0x62f/0x4c20 [ 430.877017] ? should_fail+0x22d/0xd01 [ 430.880921] ? mark_held_locks+0x130/0x130 [ 430.885179] ? mark_held_locks+0x130/0x130 [ 430.889440] ? lock_downgrade+0x900/0x900 [ 430.893605] ? zap_class+0x640/0x640 [ 430.897323] ? zap_class+0x640/0x640 [ 430.901040] ? zap_class+0x640/0x640 [ 430.904755] ? do_raw_spin_unlock+0xa7/0x330 [ 430.909167] ? trace_hardirqs_on+0x310/0x310 [ 430.913576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.919115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.924656] ? check_preemption_disabled+0x48/0x280 [ 430.929682] ? __lock_is_held+0xb5/0x140 [ 430.933755] __alloc_pages_nodemask+0xad8/0xea0 [ 430.938432] ? zap_class+0x640/0x640 [ 430.942155] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 430.947183] ? find_held_lock+0x36/0x1c0 [ 430.951276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.955947] ? lock_downgrade+0x900/0x900 [ 430.960102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.965644] cache_grow_begin+0xa5/0x8c0 [ 430.969708] ? do_raw_spin_unlock+0xa7/0x330 [ 430.974126] fallback_alloc+0x204/0x2e0 [ 430.978111] ____cache_alloc_node+0x1c7/0x1e0 [ 430.982616] kmem_cache_alloc_node+0xe3/0x730 [ 430.987114] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.991705] __alloc_skb+0x119/0x770 [ 430.995428] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 431.000803] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.005219] ? vprintk_default+0x28/0x30 [ 431.009282] ? vprintk_func+0x85/0x181 [ 431.013173] ? printk+0xa7/0xcf [ 431.016470] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 431.021253] new_skb+0x26/0x1c0 [ 431.024535] aoecmd_cfg+0x279/0x7f0 [ 431.028163] ? find_held_lock+0x36/0x1c0 [ 431.032232] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 431.036564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.042115] ? __lock_is_held+0xb5/0x140 [ 431.046194] discover_timer+0x50/0x60 [ 431.049994] call_timer_fn+0x272/0x920 [ 431.053886] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 431.058747] ? process_timeout+0x40/0x40 [ 431.062964] ? __run_timers+0x7da/0xc70 [ 431.066950] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.071449] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.075949] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 431.080797] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.085382] ? trace_hardirqs_on+0xbd/0x310 [ 431.089716] ? kasan_check_read+0x11/0x20 [ 431.093861] ? __run_timers+0x7da/0xc70 [ 431.097842] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.102964] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 431.107806] __run_timers+0x7e5/0xc70 [ 431.111618] ? timer_fixup_init+0x70/0x70 [ 431.115781] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.120298] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.124822] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.129416] ? trace_hardirqs_on+0xbd/0x310 [ 431.133745] ? kasan_check_read+0x11/0x20 [ 431.137900] ? finish_task_switch+0x1f4/0x910 [ 431.142409] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.147512] ? compat_start_thread+0x80/0x80 [ 431.151947] ? pvclock_read_flags+0x160/0x160 [ 431.156449] ? __switch_to_asm+0x34/0x70 [ 431.160543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.166083] ? check_preemption_disabled+0x48/0x280 [ 431.171109] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 431.176648] ? rcu_pm_notify+0xc0/0xc0 [ 431.180538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.186076] ? check_preemption_disabled+0x48/0x280 [ 431.191109] run_timer_softirq+0x52/0xb0 [ 431.195185] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.200215] __do_softirq+0x308/0xb7e [ 431.204021] ? retint_kernel+0x2d/0x2d [ 431.207913] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.213023] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.218474] ? retint_kernel+0x2d/0x2d [ 431.222366] ? schedule+0x108/0x460 [ 431.226026] ? trace_hardirqs_off+0xb8/0x310 [ 431.230439] ? smpboot_thread_fn+0x68b/0xa00 [ 431.234851] ? trace_hardirqs_on+0x310/0x310 [ 431.239260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.244798] ? check_preemption_disabled+0x48/0x280 [ 431.249828] ? takeover_tasklets+0xa90/0xa90 [ 431.254237] run_ksoftirqd+0x5e/0x100 [ 431.258037] smpboot_thread_fn+0x68b/0xa00 [ 431.262281] ? sort_range+0x30/0x30 [ 431.265912] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.271022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.276564] ? __kthread_parkme+0xfb/0x1a0 [ 431.280800] ? sort_range+0x30/0x30 [ 431.284429] kthread+0x35a/0x440 [ 431.287798] ? kthread_stop+0x900/0x900 [ 431.291773] ret_from_fork+0x3a/0x50 [ 431.295517] warn_alloc_show_mem: 1 callbacks suppressed [ 431.295530] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 431.295531] Mem-Info: [ 431.295578] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 431.295578] active_file:133 inactive_file:117 isolated_file:0 [ 431.295578] unevictable:0 dirty:3 writeback:0 unstable:0 [ 431.295578] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 431.295578] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 431.295578] free:13727 free_pcp:164 free_cma:0 [ 431.300911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.300924] Call Trace: [ 431.308290] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 431.310687] [ 431.343897] 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 [ 431.353247] dump_stack+0x244/0x39d [ 431.355806] lowmem_reserve[]: 0 2818 6321 6321 [ 431.383562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.385686] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 431.411793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.415404] lowmem_reserve[]: 0 0 3503 3503 [ 431.419992] warn_alloc.cold.116+0xb7/0x1bd [ 431.425156] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 431.452738] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.458249] lowmem_reserve[]: 0 0 0 0 [ 431.462562] ? lock_downgrade+0x900/0x900 [ 431.466877] 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 [ 431.496103] ? trace_hardirqs_off+0xb8/0x310 [ 431.500950] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 431.504749] ? trace_hardirqs_off+0xb8/0x310 [ 431.508872] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 431.522389] __alloc_pages_slowpath+0x2651/0x2de0 [ 431.526781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.542135] ? warn_alloc+0x120/0x120 [ 431.546503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.560015] ? print_usage_bug+0xc0/0xc0 [ 431.564830] 2220 total pagecache pages [ 431.573658] ? warn_alloc+0x120/0x120 [ 431.577442] 0 pages in swap cache [ 431.586003] ? warn_alloc+0x120/0x120 [ 431.590043] Swap cache stats: add 0, delete 0, find 0/0 [ 431.593933] ? print_usage_bug+0xc0/0xc0 [ 431.597708] Free swap = 0kB [ 431.601151] ? print_usage_bug+0xc0/0xc0 [ 431.604933] Total swap = 0kB [ 431.610289] ? __lock_acquire+0x62f/0x4c20 [ 431.614323] 1965979 pages RAM [ 431.617334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.621368] 0 pages HighMem/MovableOnly [ 431.624378] ? should_fail+0x22d/0xd01 [ 431.628595] 342854 pages reserved [ 431.631696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.637207] 0 pages cma reserved [ 431.641176] ? __lock_acquire+0x62f/0x4c20 [ 431.645142] aoe: skb alloc failure [ 431.648503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.653641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.656945] ? __lock_acquire+0x62f/0x4c20 [ 431.661170] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 431.664721] ? should_fail+0x22d/0xd01 [ 431.692875] ? find_held_lock+0x36/0x1c0 [ 431.696952] ? mark_held_locks+0x130/0x130 [ 431.701193] ? mark_held_locks+0x130/0x130 [ 431.705459] ? zap_class+0x640/0x640 [ 431.709217] ? zap_class+0x640/0x640 [ 431.712929] ? print_usage_bug+0xc0/0xc0 [ 431.717015] ? do_raw_spin_unlock+0xa7/0x330 [ 431.721433] ? zap_class+0x640/0x640 [ 431.725150] ? print_usage_bug+0xc0/0xc0 [ 431.729213] ? wq_watchdog_touch+0x9c/0xfe [ 431.733457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.739000] ? check_preemption_disabled+0x48/0x280 [ 431.744027] ? __lock_is_held+0xb5/0x140 [ 431.748092] __alloc_pages_nodemask+0xad8/0xea0 [ 431.752763] ? zap_class+0x640/0x640 [ 431.756498] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 431.761543] ? find_held_lock+0x36/0x1c0 [ 431.765617] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.770289] ? lock_downgrade+0x900/0x900 [ 431.774455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.779998] cache_grow_begin+0xa5/0x8c0 [ 431.784058] ? do_raw_spin_unlock+0xa7/0x330 [ 431.788493] fallback_alloc+0x204/0x2e0 [ 431.792485] ____cache_alloc_node+0x1c7/0x1e0 [ 431.796990] kmem_cache_alloc_node+0xe3/0x730 [ 431.801490] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.805737] __alloc_skb+0x119/0x770 [ 431.809498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.814795] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.819204] ? lock_downgrade+0x900/0x900 [ 431.823401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.828946] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.834412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.839875] ? addrconf_rs_timer+0x690/0x690 [ 431.844298] ndisc_alloc_skb+0x144/0x340 [ 431.848365] ndisc_send_rs+0x331/0x6e0 [ 431.852265] addrconf_rs_timer+0x314/0x690 [ 431.856537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.860785] call_timer_fn+0x272/0x920 [ 431.864671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.868903] ? process_timeout+0x40/0x40 [ 431.872989] ? __run_timers+0x7da/0xc70 [ 431.876984] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.881482] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.885976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.890225] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.894809] ? trace_hardirqs_on+0xbd/0x310 [ 431.899136] ? kasan_check_read+0x11/0x20 [ 431.903282] ? __run_timers+0x7da/0xc70 [ 431.907257] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.912374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.916614] __run_timers+0x7e5/0xc70 [ 431.920436] ? timer_fixup_init+0x70/0x70 [ 431.924589] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.929607] ? zap_class+0x640/0x640 [ 431.933328] ? enqueue_hrtimer+0x1a5/0x560 [ 431.937595] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.942811] ? find_held_lock+0x36/0x1c0 [ 431.946880] ? zap_class+0x640/0x640 [ 431.950601] ? pvclock_read_flags+0x160/0x160 [ 431.955098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.960666] ? check_preemption_disabled+0x48/0x280 [ 431.965692] ? __lock_is_held+0xb5/0x140 [ 431.969758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.975313] ? check_preemption_disabled+0x48/0x280 [ 431.980363] run_timer_softirq+0x52/0xb0 [ 431.984453] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.989492] __do_softirq+0x308/0xb7e [ 431.993315] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.997809] ? lock_downgrade+0x900/0x900 [ 432.001965] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.007073] ? pvclock_read_flags+0x160/0x160 [ 432.011574] ? lapic_next_event+0x5a/0x90 [ 432.015729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.021298] ? kvm_clock_read+0x18/0x30 [ 432.025271] ? kvm_sched_clock_read+0x9/0x20 [ 432.029682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.035224] ? check_preemption_disabled+0x48/0x280 [ 432.040253] irq_exit+0x17f/0x1c0 [ 432.043709] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.048565] ? smp_reschedule_interrupt+0x109/0x650 [ 432.053589] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.059473] ? interrupt_entry+0xb5/0xc0 [ 432.063536] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.068576] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.073596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.078449] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.083469] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.088489] ? task_prio+0x50/0x50 [ 432.092061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.097603] ? check_preemption_disabled+0x48/0x280 [ 432.102626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.107479] apic_timer_interrupt+0xf/0x20 [ 432.111719] [ 432.113959] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.118893] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 432.137795] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 432.145502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 432.152766] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 432.160047] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 432.167313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 432.174596] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 432.181900] skb_clone+0x1bb/0x500 [ 432.185450] ? skb_split+0x11e0/0x11e0 [ 432.189355] ? preempt_notifier_register+0x200/0x200 [ 432.194602] ? __switch_to_asm+0x34/0x70 [ 432.198662] ? __switch_to_asm+0x34/0x70 [ 432.202724] ? __switch_to_asm+0x40/0x70 [ 432.206782] ? __switch_to_asm+0x34/0x70 [ 432.210854] ? __switch_to_asm+0x40/0x70 [ 432.214915] ? __switch_to_asm+0x40/0x70 [ 432.218990] ? __switch_to_asm+0x34/0x70 [ 432.223064] ? __switch_to_asm+0x34/0x70 [ 432.227125] ? __switch_to_asm+0x40/0x70 [ 432.231200] ? __switch_to_asm+0x34/0x70 [ 432.235264] bpf_clone_redirect+0xb9/0x490 [ 432.239508] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 432.244543] ? __sched_text_start+0x8/0x8 [ 432.248688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.253459] ? find_held_lock+0x36/0x1c0 [ 432.257531] ? lock_acquire+0x1ed/0x520 [ 432.261510] ? bpf_test_run+0x3ee/0x7a0 [ 432.265498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.271038] ? check_preemption_disabled+0x48/0x280 [ 432.276061] ? kasan_check_read+0x11/0x20 [ 432.280239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.285519] ? rcu_softirq_qs+0x20/0x20 [ 432.289496] ? preempt_schedule+0x4d/0x60 [ 432.293645] ? ___preempt_schedule+0x16/0x18 [ 432.298069] ? bpf_test_run+0x271/0x7a0 [ 432.302056] ? netlink_diag_dump+0x2a0/0x2a0 [ 432.306468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.312004] ? bpf_test_init.isra.10+0x70/0x100 [ 432.316711] ? bpf_prog_test_run_skb+0x762/0xd60 [ 432.321473] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.326322] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.331864] ? fput+0x130/0x1a0 [ 432.335150] ? __bpf_prog_get+0x9b/0x290 [ 432.339229] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.344104] ? bpf_prog_test_run+0x130/0x1a0 [ 432.348515] ? __x64_sys_bpf+0x3d8/0x520 [ 432.352579] ? bpf_prog_get+0x20/0x20 [ 432.356428] ? do_syscall_64+0x1b9/0x820 [ 432.360486] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.365865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.370806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.375649] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.380671] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 432.385693] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.390715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.395567] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.400963] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 432.401032] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.407893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.407902] Call Trace: [ 432.414513] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.423743] dump_stack+0x244/0x39d [ 432.426299] syz-executor2 cpuset=syz2 mems_allowed=0 [ 432.436779] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.450677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.456227] warn_alloc.cold.116+0xb7/0x1bd [ 432.460579] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.465437] ? lock_downgrade+0x900/0x900 [ 432.469595] ? trace_hardirqs_off+0xb8/0x310 [ 432.474054] ? trace_hardirqs_off+0xb8/0x310 [ 432.478474] __alloc_pages_slowpath+0x2651/0x2de0 [ 432.483359] ? warn_alloc+0x120/0x120 [ 432.487185] ? warn_alloc+0x120/0x120 [ 432.490996] ? warn_alloc+0x120/0x120 [ 432.494800] ? print_usage_bug+0xc0/0xc0 [ 432.498870] ? print_usage_bug+0xc0/0xc0 [ 432.502948] ? mark_held_locks+0x130/0x130 [ 432.507187] ? mark_held_locks+0x130/0x130 [ 432.511435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.516990] ? should_fail+0x22d/0xd01 [ 432.520881] ? zap_class+0x640/0x640 [ 432.524605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.529709] ? __lock_acquire+0x62f/0x4c20 [ 432.533956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.539055] ? __lock_acquire+0x62f/0x4c20 [ 432.543289] ? should_fail+0x22d/0xd01 [ 432.547185] ? mark_held_locks+0x130/0x130 [ 432.551437] ? mark_held_locks+0x130/0x130 [ 432.555673] ? lock_downgrade+0x900/0x900 [ 432.559825] ? zap_class+0x640/0x640 [ 432.563543] ? zap_class+0x640/0x640 [ 432.567270] ? do_raw_spin_unlock+0xa7/0x330 [ 432.571681] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.576453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.581993] ? check_preemption_disabled+0x48/0x280 [ 432.587020] ? __lock_is_held+0xb5/0x140 [ 432.591089] __alloc_pages_nodemask+0xad8/0xea0 [ 432.595791] ? zap_class+0x640/0x640 [ 432.599514] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 432.604547] ? find_held_lock+0x36/0x1c0 [ 432.608625] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.613298] ? lock_downgrade+0x900/0x900 [ 432.617457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.622999] cache_grow_begin+0xa5/0x8c0 [ 432.627063] ? do_raw_spin_unlock+0xa7/0x330 [ 432.631482] fallback_alloc+0x204/0x2e0 [ 432.635465] ____cache_alloc_node+0x1c7/0x1e0 [ 432.639968] kmem_cache_alloc_node+0xe3/0x730 [ 432.644463] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.649074] __alloc_skb+0x119/0x770 [ 432.652801] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.658167] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.662589] ? vprintk_default+0x28/0x30 [ 432.666670] ? vprintk_func+0x85/0x181 [ 432.670575] ? printk+0xa7/0xcf [ 432.673865] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 432.678629] new_skb+0x26/0x1c0 [ 432.681919] aoecmd_cfg+0x279/0x7f0 [ 432.685552] ? find_held_lock+0x36/0x1c0 [ 432.689628] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 432.693974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.699525] ? __lock_is_held+0xb5/0x140 [ 432.703601] discover_timer+0x50/0x60 [ 432.707412] call_timer_fn+0x272/0x920 [ 432.711301] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.716147] ? process_timeout+0x40/0x40 [ 432.720219] ? __run_timers+0x7da/0xc70 [ 432.724200] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.728697] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.733196] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.738043] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.742659] ? trace_hardirqs_on+0xbd/0x310 [ 432.746983] ? kasan_check_read+0x11/0x20 [ 432.751131] ? __run_timers+0x7da/0xc70 [ 432.755113] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.760230] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.765072] __run_timers+0x7e5/0xc70 [ 432.768897] ? timer_fixup_init+0x70/0x70 [ 432.773048] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.777541] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.782053] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.786637] ? trace_hardirqs_on+0xbd/0x310 [ 432.790960] ? kasan_check_read+0x11/0x20 [ 432.795114] ? finish_task_switch+0x1f4/0x910 [ 432.799617] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.804724] ? compat_start_thread+0x80/0x80 [ 432.809156] ? pvclock_read_flags+0x160/0x160 [ 432.813652] ? __switch_to_asm+0x34/0x70 [ 432.817716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.823259] ? check_preemption_disabled+0x48/0x280 [ 432.828285] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 432.833823] ? rcu_pm_notify+0xc0/0xc0 [ 432.837716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.843254] ? check_preemption_disabled+0x48/0x280 [ 432.848278] run_timer_softirq+0x52/0xb0 [ 432.852339] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.857359] __do_softirq+0x308/0xb7e [ 432.861170] ? retint_kernel+0x2d/0x2d [ 432.865066] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.870169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.875630] ? retint_kernel+0x2d/0x2d [ 432.879554] ? schedule+0x108/0x460 [ 432.883191] ? trace_hardirqs_off+0xb8/0x310 [ 432.887603] ? smpboot_thread_fn+0x68b/0xa00 [ 432.892013] ? trace_hardirqs_on+0x310/0x310 [ 432.896442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.901984] ? check_preemption_disabled+0x48/0x280 [ 432.907001] ? takeover_tasklets+0xa90/0xa90 [ 432.911418] run_ksoftirqd+0x5e/0x100 [ 432.915218] smpboot_thread_fn+0x68b/0xa00 [ 432.919457] ? sort_range+0x30/0x30 [ 432.923090] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.928198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.933750] ? __kthread_parkme+0xfb/0x1a0 [ 432.937987] ? sort_range+0x30/0x30 [ 432.941616] kthread+0x35a/0x440 [ 432.944985] ? kthread_stop+0x900/0x900 [ 432.948964] ret_from_fork+0x3a/0x50 [ 432.952697] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 432.952703] warn_alloc_show_mem: 1 callbacks suppressed [ 432.952710] Mem-Info: [ 432.960066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.965462] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 432.965462] active_file:133 inactive_file:117 isolated_file:0 [ 432.965462] unevictable:0 dirty:3 writeback:0 unstable:0 [ 432.965462] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 432.965462] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 432.965462] free:13727 free_pcp:164 free_cma:0 [ 432.967834] Call Trace: [ 432.977226] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 433.010422] [ 433.012989] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 433.040747] dump_stack+0x244/0x39d [ 433.042871] lowmem_reserve[]: 0 2818 6321 6321 [ 433.069425] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.073024] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 433.077632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.082798] lowmem_reserve[]: 0 0 3503 3503 [ 433.110380] warn_alloc.cold.116+0xb7/0x1bd [ 433.115890] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 433.120210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.124503] lowmem_reserve[]: 0 0 0 0 [ 433.153733] ? lock_downgrade+0x900/0x900 [ 433.158553] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 433.162350] ? trace_hardirqs_off+0xb8/0x310 [ 433.166469] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 433.179990] ? trace_hardirqs_off+0xb8/0x310 [ 433.184371] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 433.199724] __alloc_pages_slowpath+0x2651/0x2de0 [ 433.204112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.217647] ? warn_alloc+0x120/0x120 [ 433.222453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.231278] ? print_usage_bug+0xc0/0xc0 [ 433.235057] 2220 total pagecache pages [ 433.243628] ? warn_alloc+0x120/0x120 [ 433.247672] 0 pages in swap cache [ 433.251546] ? warn_alloc+0x120/0x120 [ 433.255326] Swap cache stats: add 0, delete 0, find 0/0 [ 433.258767] ? print_usage_bug+0xc0/0xc0 [ 433.262541] Free swap = 0kB [ 433.267896] ? kvm_clock_read+0x18/0x30 [ 433.271937] Total swap = 0kB [ 433.274955] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.278922] 1965979 pages RAM [ 433.281933] ? print_usage_bug+0xc0/0xc0 [ 433.281949] ? __lock_acquire+0x62f/0x4c20 [ 433.286947] 0 pages HighMem/MovableOnly [ 433.290051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.294086] 342854 pages reserved [ 433.298317] ? should_fail+0x22d/0xd01 [ 433.302266] 0 pages cma reserved [ 433.307794] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.311289] aoe: skb alloc failure [ 433.315100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.318469] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.323709] ? __lock_acquire+0x62f/0x4c20 [ 433.327225] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 433.332321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.356594] ? __lock_acquire+0x62f/0x4c20 [ 433.360831] ? should_fail+0x22d/0xd01 [ 433.364721] ? rcu_irq_exit+0x1a2/0x390 [ 433.368710] ? mark_held_locks+0x130/0x130 [ 433.372955] ? mark_held_locks+0x130/0x130 [ 433.377199] ? mark_held_locks+0xc7/0x130 [ 433.381349] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 433.386367] ? zap_class+0x640/0x640 [ 433.390095] ? print_usage_bug+0xc0/0xc0 [ 433.394162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.399705] ? check_preemption_disabled+0x48/0x280 [ 433.404731] ? __lock_is_held+0xb5/0x140 [ 433.408804] __alloc_pages_nodemask+0xad8/0xea0 [ 433.413478] ? zap_class+0x640/0x640 [ 433.417200] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 433.422228] ? find_held_lock+0x36/0x1c0 [ 433.426305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.430972] ? lock_downgrade+0x900/0x900 [ 433.435138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.440696] cache_grow_begin+0xa5/0x8c0 [ 433.444757] ? do_raw_spin_unlock+0xa7/0x330 [ 433.449177] fallback_alloc+0x204/0x2e0 [ 433.453162] ____cache_alloc_node+0x1c7/0x1e0 [ 433.457665] kmem_cache_alloc_node+0xe3/0x730 [ 433.462166] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.466439] __alloc_skb+0x119/0x770 [ 433.470150] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.475437] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.479846] ? lock_downgrade+0x900/0x900 [ 433.484002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.489542] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.494998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.500453] ? addrconf_rs_timer+0x690/0x690 [ 433.504879] ndisc_alloc_skb+0x144/0x340 [ 433.508944] ndisc_send_rs+0x331/0x6e0 [ 433.512867] addrconf_rs_timer+0x314/0x690 [ 433.517107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.521358] call_timer_fn+0x272/0x920 [ 433.525250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.529485] ? process_timeout+0x40/0x40 [ 433.533563] ? __run_timers+0x7da/0xc70 [ 433.537543] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.542038] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.546534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.550769] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.555358] ? trace_hardirqs_on+0xbd/0x310 [ 433.559690] ? kasan_check_read+0x11/0x20 [ 433.563835] ? __run_timers+0x7da/0xc70 [ 433.567814] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.572932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.577165] __run_timers+0x7e5/0xc70 [ 433.580975] ? timer_fixup_init+0x70/0x70 [ 433.585128] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.590144] ? zap_class+0x640/0x640 [ 433.593864] ? enqueue_hrtimer+0x1a5/0x560 [ 433.598105] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.603301] ? find_held_lock+0x36/0x1c0 [ 433.607371] ? zap_class+0x640/0x640 [ 433.611097] ? pvclock_read_flags+0x160/0x160 [ 433.615599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.621143] ? check_preemption_disabled+0x48/0x280 [ 433.626169] ? __lock_is_held+0xb5/0x140 [ 433.630237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.635774] ? check_preemption_disabled+0x48/0x280 [ 433.640796] run_timer_softirq+0x52/0xb0 [ 433.644858] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.649892] __do_softirq+0x308/0xb7e [ 433.653700] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.658198] ? lock_downgrade+0x900/0x900 [ 433.662365] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.667479] ? pvclock_read_flags+0x160/0x160 [ 433.671977] ? lapic_next_event+0x5a/0x90 [ 433.676133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.681674] ? kvm_clock_read+0x18/0x30 [ 433.685649] ? kvm_sched_clock_read+0x9/0x20 [ 433.690064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.695609] ? check_preemption_disabled+0x48/0x280 [ 433.700639] irq_exit+0x17f/0x1c0 [ 433.704094] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.708937] ? smp_reschedule_interrupt+0x109/0x650 [ 433.713982] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.719880] ? interrupt_entry+0xb5/0xc0 [ 433.723948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.728962] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.733996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.738841] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.743857] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.748886] ? task_prio+0x50/0x50 [ 433.752435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.757990] ? check_preemption_disabled+0x48/0x280 [ 433.763017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.767864] apic_timer_interrupt+0xf/0x20 [ 433.772089] [ 433.774327] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 433.779256] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 433.798154] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 433.805860] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.813141] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 433.820414] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 433.827687] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.834983] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 433.842288] skb_clone+0x1bb/0x500 [ 433.845834] ? skb_split+0x11e0/0x11e0 [ 433.849724] ? preempt_notifier_register+0x200/0x200 [ 433.854823] ? __switch_to_asm+0x34/0x70 [ 433.858881] ? __switch_to_asm+0x34/0x70 [ 433.862943] ? __switch_to_asm+0x40/0x70 [ 433.867013] ? __switch_to_asm+0x34/0x70 [ 433.871069] ? __switch_to_asm+0x40/0x70 [ 433.875126] ? __switch_to_asm+0x40/0x70 [ 433.879188] ? __switch_to_asm+0x34/0x70 [ 433.883269] ? __switch_to_asm+0x34/0x70 [ 433.887346] ? __switch_to_asm+0x40/0x70 [ 433.891409] ? __switch_to_asm+0x34/0x70 [ 433.895479] bpf_clone_redirect+0xb9/0x490 [ 433.899720] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 433.904738] ? __sched_text_start+0x8/0x8 [ 433.908899] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.913666] ? find_held_lock+0x36/0x1c0 [ 433.917767] ? lock_acquire+0x1ed/0x520 [ 433.921742] ? bpf_test_run+0x3ee/0x7a0 [ 433.925719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.931271] ? check_preemption_disabled+0x48/0x280 [ 433.936296] ? kasan_check_read+0x11/0x20 [ 433.940447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.945758] ? rcu_softirq_qs+0x20/0x20 [ 433.949733] ? preempt_schedule+0x4d/0x60 [ 433.953884] ? ___preempt_schedule+0x16/0x18 [ 433.958302] ? bpf_test_run+0x271/0x7a0 [ 433.962291] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.966706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.972243] ? bpf_test_init.isra.10+0x70/0x100 [ 433.976931] ? bpf_prog_test_run_skb+0x762/0xd60 [ 433.981716] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.986565] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.992102] ? fput+0x130/0x1a0 [ 433.995389] ? __bpf_prog_get+0x9b/0x290 [ 433.999472] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 434.004348] ? bpf_prog_test_run+0x130/0x1a0 [ 434.008762] ? __x64_sys_bpf+0x3d8/0x520 [ 434.012825] ? bpf_prog_get+0x20/0x20 [ 434.016650] ? do_syscall_64+0x1b9/0x820 [ 434.020710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 434.026076] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.031017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.035863] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.040880] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 434.045918] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.050944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.055813] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 434.061199] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 434.061270] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.068131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.068139] Call Trace: [ 434.074720] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.083969] dump_stack+0x244/0x39d [ 434.086533] syz-executor2 cpuset=syz2 mems_allowed=0 [ 434.097027] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.110897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.116453] warn_alloc.cold.116+0xb7/0x1bd [ 434.120778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.125623] ? lock_downgrade+0x900/0x900 [ 434.129778] ? trace_hardirqs_off+0xb8/0x310 [ 434.134193] ? trace_hardirqs_off+0xb8/0x310 [ 434.138614] __alloc_pages_slowpath+0x2651/0x2de0 [ 434.143486] ? warn_alloc+0x120/0x120 [ 434.147295] ? warn_alloc+0x120/0x120 [ 434.151098] ? warn_alloc+0x120/0x120 [ 434.154902] ? print_usage_bug+0xc0/0xc0 [ 434.158972] ? print_usage_bug+0xc0/0xc0 [ 434.163033] ? mark_held_locks+0x130/0x130 [ 434.167267] ? mark_held_locks+0x130/0x130 [ 434.171511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.177050] ? should_fail+0x22d/0xd01 [ 434.180945] ? zap_class+0x640/0x640 [ 434.184678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.189784] ? __lock_acquire+0x62f/0x4c20 [ 434.194507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.199609] ? __lock_acquire+0x62f/0x4c20 [ 434.203848] ? should_fail+0x22d/0xd01 [ 434.207765] ? mark_held_locks+0x130/0x130 [ 434.212004] ? mark_held_locks+0x130/0x130 [ 434.216238] ? lock_downgrade+0x900/0x900 [ 434.220388] ? zap_class+0x640/0x640 [ 434.224118] ? zap_class+0x640/0x640 [ 434.227835] ? zap_class+0x640/0x640 [ 434.231547] ? do_raw_spin_unlock+0xa7/0x330 [ 434.235978] ? trace_hardirqs_on+0x310/0x310 [ 434.240413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.245955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.251495] ? check_preemption_disabled+0x48/0x280 [ 434.256523] ? __lock_is_held+0xb5/0x140 [ 434.260600] __alloc_pages_nodemask+0xad8/0xea0 [ 434.265272] ? zap_class+0x640/0x640 [ 434.268997] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 434.274037] ? find_held_lock+0x36/0x1c0 [ 434.278107] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.282777] ? lock_downgrade+0x900/0x900 [ 434.286952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.292558] cache_grow_begin+0xa5/0x8c0 [ 434.296634] ? do_raw_spin_unlock+0xa7/0x330 [ 434.301073] fallback_alloc+0x204/0x2e0 [ 434.305056] ____cache_alloc_node+0x1c7/0x1e0 [ 434.309578] kmem_cache_alloc_node+0xe3/0x730 [ 434.314074] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.318665] __alloc_skb+0x119/0x770 [ 434.322378] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 434.327770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.332215] ? vprintk_default+0x28/0x30 [ 434.336285] ? vprintk_func+0x85/0x181 [ 434.340176] ? printk+0xa7/0xcf [ 434.343459] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 434.348222] new_skb+0x26/0x1c0 [ 434.351517] aoecmd_cfg+0x279/0x7f0 [ 434.355150] ? find_held_lock+0x36/0x1c0 [ 434.359220] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 434.363549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.369100] ? __lock_is_held+0xb5/0x140 [ 434.373190] discover_timer+0x50/0x60 [ 434.376987] call_timer_fn+0x272/0x920 [ 434.380874] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.385752] ? process_timeout+0x40/0x40 [ 434.389837] ? __run_timers+0x7da/0xc70 [ 434.393811] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.398306] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.402800] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.407641] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.412223] ? trace_hardirqs_on+0xbd/0x310 [ 434.416544] ? kasan_check_read+0x11/0x20 [ 434.420689] ? __run_timers+0x7da/0xc70 [ 434.424664] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.429799] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.434637] __run_timers+0x7e5/0xc70 [ 434.438451] ? timer_fixup_init+0x70/0x70 [ 434.442601] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.447098] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.451598] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.456200] ? trace_hardirqs_on+0xbd/0x310 [ 434.460524] ? kasan_check_read+0x11/0x20 [ 434.464676] ? finish_task_switch+0x1f4/0x910 [ 434.469174] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.474282] ? compat_start_thread+0x80/0x80 [ 434.478713] ? pvclock_read_flags+0x160/0x160 [ 434.483219] ? __switch_to_asm+0x34/0x70 [ 434.487279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.492817] ? check_preemption_disabled+0x48/0x280 [ 434.497861] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 434.503410] ? rcu_pm_notify+0xc0/0xc0 [ 434.507303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.512842] ? check_preemption_disabled+0x48/0x280 [ 434.517867] run_timer_softirq+0x52/0xb0 [ 434.521938] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.526960] __do_softirq+0x308/0xb7e [ 434.530766] ? retint_kernel+0x2d/0x2d [ 434.534662] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.539766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.545219] ? retint_kernel+0x2d/0x2d [ 434.549109] ? schedule+0x108/0x460 [ 434.552745] ? trace_hardirqs_off+0xb8/0x310 [ 434.557156] ? smpboot_thread_fn+0x68b/0xa00 [ 434.561565] ? trace_hardirqs_on+0x310/0x310 [ 434.566002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.571539] ? check_preemption_disabled+0x48/0x280 [ 434.576557] ? takeover_tasklets+0xa90/0xa90 [ 434.580970] run_ksoftirqd+0x5e/0x100 [ 434.584773] smpboot_thread_fn+0x68b/0xa00 [ 434.589011] ? sort_range+0x30/0x30 [ 434.592652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.597759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.603295] ? __kthread_parkme+0xfb/0x1a0 [ 434.607544] ? sort_range+0x30/0x30 [ 434.611174] kthread+0x35a/0x440 [ 434.614545] ? kthread_stop+0x900/0x900 [ 434.618522] ret_from_fork+0x3a/0x50 [ 434.622253] warn_alloc_show_mem: 1 callbacks suppressed [ 434.622266] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 434.622268] Mem-Info: [ 434.622301] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 434.622301] active_file:133 inactive_file:117 isolated_file:0 [ 434.622301] unevictable:0 dirty:3 writeback:0 unstable:0 [ 434.622301] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 434.622301] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 434.622301] free:13727 free_pcp:164 free_cma:0 [ 434.627635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.635005] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 434.637450] Call Trace: [ 434.670680] 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 [ 434.680022] [ 434.707760] lowmem_reserve[]: 0 2818 6321 6321 [ 434.710344] dump_stack+0x244/0x39d [ 434.736431] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.738576] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.743129] lowmem_reserve[]: 0 0 3503 3503 [ 434.746750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.774310] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 434.779515] warn_alloc.cold.116+0xb7/0x1bd [ 434.783807] lowmem_reserve[]: 0 0 0 0 [ 434.789337] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.818545] 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 [ 434.822885] ? lock_downgrade+0x900/0x900 [ 434.826661] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 434.831498] ? trace_hardirqs_off+0xb8/0x310 [ 434.844989] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 434.849131] ? trace_hardirqs_off+0xb8/0x310 [ 434.864455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.868849] __alloc_pages_slowpath+0x2651/0x2de0 [ 434.882347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.886760] ? warn_alloc+0x120/0x120 [ 434.895553] 2220 total pagecache pages [ 434.900402] ? print_usage_bug+0xc0/0xc0 [ 434.908958] 0 pages in swap cache [ 434.912748] ? warn_alloc+0x120/0x120 [ 434.916612] Swap cache stats: add 0, delete 0, find 0/0 [ 434.920661] ? warn_alloc+0x120/0x120 [ 434.924086] Free swap = 0kB [ 434.927895] ? print_usage_bug+0xc0/0xc0 [ 434.933230] Total swap = 0kB [ 434.937021] ? kvm_clock_read+0x18/0x30 [ 434.940026] 1965979 pages RAM [ 434.944079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.947071] 0 pages HighMem/MovableOnly [ 434.951041] ? print_usage_bug+0xc0/0xc0 [ 434.954136] 342854 pages reserved [ 434.959146] ? __lock_acquire+0x62f/0x4c20 [ 434.963103] 0 pages cma reserved [ 434.967156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.970647] aoe: skb alloc failure [ 434.974826] ? should_fail+0x22d/0xd01 [ 434.978198] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.983698] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.987212] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 434.991089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.016412] ? __lock_acquire+0x62f/0x4c20 [ 435.020675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.025781] ? __lock_acquire+0x62f/0x4c20 [ 435.030015] ? should_fail+0x22d/0xd01 [ 435.033902] ? rcu_irq_exit+0x1a2/0x390 [ 435.037894] ? mark_held_locks+0x130/0x130 [ 435.042136] ? mark_held_locks+0x130/0x130 [ 435.046373] ? try_to_wake_up+0x11c/0x1490 [ 435.050654] ? lock_downgrade+0x900/0x900 [ 435.054809] ? zap_class+0x640/0x640 [ 435.058538] ? print_usage_bug+0xc0/0xc0 [ 435.063070] ? trace_hardirqs_off+0xb8/0x310 [ 435.067493] ? kasan_check_read+0x11/0x20 [ 435.071648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.077192] ? check_preemption_disabled+0x48/0x280 [ 435.082221] ? __lock_is_held+0xb5/0x140 [ 435.086289] __alloc_pages_nodemask+0xad8/0xea0 [ 435.090960] ? zap_class+0x640/0x640 [ 435.094696] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 435.099726] ? find_held_lock+0x36/0x1c0 [ 435.103830] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.108501] ? lock_downgrade+0x900/0x900 [ 435.112660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.118205] cache_grow_begin+0xa5/0x8c0 [ 435.122264] ? do_raw_spin_unlock+0xa7/0x330 [ 435.126681] fallback_alloc+0x204/0x2e0 [ 435.130663] ____cache_alloc_node+0x1c7/0x1e0 [ 435.135166] kmem_cache_alloc_node+0xe3/0x730 [ 435.139662] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.143907] __alloc_skb+0x119/0x770 [ 435.147638] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.152918] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.157326] ? lock_downgrade+0x900/0x900 [ 435.161481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.167022] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.172482] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.177933] ? addrconf_rs_timer+0x690/0x690 [ 435.182355] ndisc_alloc_skb+0x144/0x340 [ 435.186435] ndisc_send_rs+0x331/0x6e0 [ 435.190330] addrconf_rs_timer+0x314/0x690 [ 435.194570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.198815] call_timer_fn+0x272/0x920 [ 435.202739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.206973] ? process_timeout+0x40/0x40 [ 435.211041] ? __run_timers+0x7da/0xc70 [ 435.215018] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.219518] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.224014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.228247] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.232828] ? trace_hardirqs_on+0xbd/0x310 [ 435.237152] ? kasan_check_read+0x11/0x20 [ 435.241328] ? __run_timers+0x7da/0xc70 [ 435.245305] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.250426] ? __queue_work+0x1440/0x1440 [ 435.254593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.258831] __run_timers+0x7e5/0xc70 [ 435.262658] ? timer_fixup_init+0x70/0x70 [ 435.266807] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.271827] ? zap_class+0x640/0x640 [ 435.275546] ? enqueue_hrtimer+0x1a5/0x560 [ 435.279782] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.285009] ? find_held_lock+0x36/0x1c0 [ 435.289101] ? zap_class+0x640/0x640 [ 435.292820] ? pvclock_read_flags+0x160/0x160 [ 435.297332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.302868] ? check_preemption_disabled+0x48/0x280 [ 435.307899] ? __lock_is_held+0xb5/0x140 [ 435.311964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.317505] ? check_preemption_disabled+0x48/0x280 [ 435.322526] run_timer_softirq+0x52/0xb0 [ 435.326604] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.331621] __do_softirq+0x308/0xb7e [ 435.335443] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.339939] ? lock_downgrade+0x900/0x900 [ 435.344106] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.349246] ? pvclock_read_flags+0x160/0x160 [ 435.353743] ? lapic_next_event+0x5a/0x90 [ 435.357908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.363461] ? kvm_clock_read+0x18/0x30 [ 435.367444] ? kvm_sched_clock_read+0x9/0x20 [ 435.371856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.377402] ? check_preemption_disabled+0x48/0x280 [ 435.382447] irq_exit+0x17f/0x1c0 [ 435.385902] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.390743] ? smp_reschedule_interrupt+0x109/0x650 [ 435.395759] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.401643] ? interrupt_entry+0xb5/0xc0 [ 435.405705] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.410722] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.415757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.420601] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.425617] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.430635] ? task_prio+0x50/0x50 [ 435.434177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.439714] ? check_preemption_disabled+0x48/0x280 [ 435.444770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.449649] apic_timer_interrupt+0xf/0x20 [ 435.453891] [ 435.456133] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 435.461064] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 435.479961] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 435.487665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 435.494929] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 435.502195] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 435.509464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 435.516748] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 435.524057] skb_clone+0x1bb/0x500 [ 435.527600] ? skb_split+0x11e0/0x11e0 [ 435.531490] ? preempt_notifier_register+0x200/0x200 [ 435.536590] ? __switch_to_asm+0x34/0x70 [ 435.540649] ? __switch_to_asm+0x34/0x70 [ 435.544722] ? __switch_to_asm+0x40/0x70 [ 435.548781] ? __switch_to_asm+0x34/0x70 [ 435.552839] ? __switch_to_asm+0x40/0x70 [ 435.556925] ? __switch_to_asm+0x40/0x70 [ 435.560983] ? __switch_to_asm+0x34/0x70 [ 435.565042] ? __switch_to_asm+0x34/0x70 [ 435.569114] ? __switch_to_asm+0x40/0x70 [ 435.573168] ? __switch_to_asm+0x34/0x70 [ 435.577233] bpf_clone_redirect+0xb9/0x490 [ 435.581476] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 435.586496] ? __sched_text_start+0x8/0x8 [ 435.590687] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.595458] ? find_held_lock+0x36/0x1c0 [ 435.599554] ? lock_acquire+0x1ed/0x520 [ 435.603532] ? bpf_test_run+0x3ee/0x7a0 [ 435.607507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.613046] ? check_preemption_disabled+0x48/0x280 [ 435.618071] ? kasan_check_read+0x11/0x20 [ 435.622218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.627503] ? rcu_softirq_qs+0x20/0x20 [ 435.631512] ? preempt_schedule+0x4d/0x60 [ 435.635660] ? ___preempt_schedule+0x16/0x18 [ 435.640072] ? bpf_test_run+0x271/0x7a0 [ 435.644057] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.648473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.654012] ? bpf_test_init.isra.10+0x70/0x100 [ 435.658688] ? bpf_prog_test_run_skb+0x762/0xd60 [ 435.663487] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.668336] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.673873] ? fput+0x130/0x1a0 [ 435.677163] ? __bpf_prog_get+0x9b/0x290 [ 435.681232] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.686073] ? bpf_prog_test_run+0x130/0x1a0 [ 435.690485] ? __x64_sys_bpf+0x3d8/0x520 [ 435.694548] ? bpf_prog_get+0x20/0x20 [ 435.698375] ? do_syscall_64+0x1b9/0x820 [ 435.702452] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.707821] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.712759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.717609] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.722631] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.727650] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.732674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.737532] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.742924] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 435.742989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.749850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.749856] Call Trace: [ 435.749873] dump_stack+0x244/0x39d [ 435.749892] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.749908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.756447] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.765745] warn_alloc.cold.116+0xb7/0x1bd [ 435.768305] syz-executor2 cpuset=syz2 mems_allowed=0 [ 435.771931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.807335] ? lock_downgrade+0x900/0x900 [ 435.811496] ? trace_hardirqs_off+0xb8/0x310 [ 435.815912] ? trace_hardirqs_off+0xb8/0x310 [ 435.820334] __alloc_pages_slowpath+0x2651/0x2de0 [ 435.825208] ? warn_alloc+0x120/0x120 [ 435.829013] ? warn_alloc+0x120/0x120 [ 435.832822] ? warn_alloc+0x120/0x120 [ 435.836626] ? print_usage_bug+0xc0/0xc0 [ 435.840693] ? print_usage_bug+0xc0/0xc0 [ 435.844757] ? mark_held_locks+0x130/0x130 [ 435.848997] ? mark_held_locks+0x130/0x130 [ 435.853238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.858806] ? should_fail+0x22d/0xd01 [ 435.862703] ? zap_class+0x640/0x640 [ 435.866430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.871568] ? __lock_acquire+0x62f/0x4c20 [ 435.875807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.880908] ? __lock_acquire+0x62f/0x4c20 [ 435.885151] ? should_fail+0x22d/0xd01 [ 435.889065] ? mark_held_locks+0x130/0x130 [ 435.893351] ? mark_held_locks+0x130/0x130 [ 435.897588] ? lock_downgrade+0x900/0x900 [ 435.901737] ? zap_class+0x640/0x640 [ 435.905451] ? zap_class+0x640/0x640 [ 435.909169] ? zap_class+0x640/0x640 [ 435.912884] ? do_raw_spin_unlock+0xa7/0x330 [ 435.917311] ? trace_hardirqs_on+0x310/0x310 [ 435.921721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.927263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.932803] ? check_preemption_disabled+0x48/0x280 [ 435.937832] ? __lock_is_held+0xb5/0x140 [ 435.941900] __alloc_pages_nodemask+0xad8/0xea0 [ 435.946575] ? zap_class+0x640/0x640 [ 435.950307] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 435.955353] ? find_held_lock+0x36/0x1c0 [ 435.959432] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.964104] ? lock_downgrade+0x900/0x900 [ 435.968293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.973843] cache_grow_begin+0xa5/0x8c0 [ 435.977901] ? do_raw_spin_unlock+0xa7/0x330 [ 435.982325] fallback_alloc+0x204/0x2e0 [ 435.986341] ____cache_alloc_node+0x1c7/0x1e0 [ 435.990862] kmem_cache_alloc_node+0xe3/0x730 [ 435.995360] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.999961] __alloc_skb+0x119/0x770 [ 436.003688] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 436.009069] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.013507] ? vprintk_default+0x28/0x30 [ 436.017587] ? vprintk_func+0x85/0x181 [ 436.021489] ? printk+0xa7/0xcf [ 436.024772] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 436.029541] new_skb+0x26/0x1c0 [ 436.032819] aoecmd_cfg+0x279/0x7f0 [ 436.036445] ? find_held_lock+0x36/0x1c0 [ 436.040529] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 436.044857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.050432] ? __lock_is_held+0xb5/0x140 [ 436.054511] discover_timer+0x50/0x60 [ 436.058324] call_timer_fn+0x272/0x920 [ 436.062216] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 436.067088] ? process_timeout+0x40/0x40 [ 436.071162] ? __run_timers+0x7da/0xc70 [ 436.075155] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.079651] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.084151] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 436.088999] ? lockdep_hardirqs_on+0x296/0x5b0 [ 436.093586] ? trace_hardirqs_on+0xbd/0x310 [ 436.097911] ? kasan_check_read+0x11/0x20 [ 436.102068] ? __run_timers+0x7da/0xc70 [ 436.106043] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.111159] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 436.116005] __run_timers+0x7e5/0xc70 [ 436.119847] ? timer_fixup_init+0x70/0x70 [ 436.124019] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.128525] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.133025] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 436.137624] ? trace_hardirqs_on+0xbd/0x310 [ 436.141948] ? kasan_check_read+0x11/0x20 [ 436.146100] ? finish_task_switch+0x1f4/0x910 [ 436.150599] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.155708] ? compat_start_thread+0x80/0x80 [ 436.160164] ? pvclock_read_flags+0x160/0x160 [ 436.164661] ? __switch_to_asm+0x34/0x70 [ 436.168727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.174271] ? check_preemption_disabled+0x48/0x280 [ 436.179295] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 436.184840] ? rcu_pm_notify+0xc0/0xc0 [ 436.188732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.194727] ? check_preemption_disabled+0x48/0x280 [ 436.199747] run_timer_softirq+0x52/0xb0 [ 436.203810] ? rcu_read_lock_sched_held+0x14f/0x180 [ 436.208824] __do_softirq+0x308/0xb7e [ 436.212645] ? retint_kernel+0x2d/0x2d [ 436.216540] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 436.221647] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.227095] ? retint_kernel+0x2d/0x2d [ 436.230987] ? schedule+0x108/0x460 [ 436.234654] ? trace_hardirqs_off+0xb8/0x310 [ 436.239063] ? smpboot_thread_fn+0x68b/0xa00 [ 436.243487] ? trace_hardirqs_on+0x310/0x310 [ 436.247897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.253444] ? check_preemption_disabled+0x48/0x280 [ 436.258468] ? takeover_tasklets+0xa90/0xa90 [ 436.262908] run_ksoftirqd+0x5e/0x100 [ 436.266716] smpboot_thread_fn+0x68b/0xa00 [ 436.270954] ? sort_range+0x30/0x30 [ 436.274582] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.279687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.285228] ? __kthread_parkme+0xfb/0x1a0 [ 436.289495] ? sort_range+0x30/0x30 [ 436.293120] kthread+0x35a/0x440 [ 436.296491] ? kthread_stop+0x900/0x900 [ 436.300470] ret_from_fork+0x3a/0x50 [ 436.304207] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 436.304213] warn_alloc_show_mem: 1 callbacks suppressed [ 436.304220] Mem-Info: [ 436.311580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.316951] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 436.316951] active_file:133 inactive_file:117 isolated_file:0 [ 436.316951] unevictable:0 dirty:3 writeback:0 unstable:0 [ 436.316951] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 436.316951] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 436.316951] free:13727 free_pcp:164 free_cma:0 [ 436.319316] Call Trace: [ 436.328704] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 436.361909] [ 436.364526] 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 [ 436.392277] dump_stack+0x244/0x39d [ 436.394407] lowmem_reserve[]: 0 2818 6321 6321 [ 436.420513] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.424112] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 436.428687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.433853] lowmem_reserve[]: 0 0 3503 3503 [ 436.461459] warn_alloc.cold.116+0xb7/0x1bd [ 436.466971] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 436.471283] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.475576] lowmem_reserve[]: 0 0 0 0 [ 436.504808] ? lock_downgrade+0x900/0x900 [ 436.509628] 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 [ 436.513436] ? trace_hardirqs_off+0xb8/0x310 [ 436.517552] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 436.531068] ? trace_hardirqs_off+0xb8/0x310 [ 436.535479] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 436.550820] __alloc_pages_slowpath+0x2651/0x2de0 [ 436.555205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.568736] ? warn_alloc+0x120/0x120 [ 436.573540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.582364] ? print_usage_bug+0xc0/0xc0 [ 436.586140] 2220 total pagecache pages [ 436.594706] ? warn_alloc+0x120/0x120 [ 436.598752] 0 pages in swap cache [ 436.602626] ? warn_alloc+0x120/0x120 [ 436.606416] Swap cache stats: add 0, delete 0, find 0/0 [ 436.609863] ? print_usage_bug+0xc0/0xc0 [ 436.613637] Free swap = 0kB [ 436.618990] ? print_usage_bug+0xc0/0xc0 [ 436.623025] Total swap = 0kB [ 436.626035] ? __lock_acquire+0x62f/0x4c20 [ 436.630071] 1965979 pages RAM [ 436.633102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.637323] 0 pages HighMem/MovableOnly [ 436.640433] ? should_fail+0x22d/0xd01 [ 436.645976] 342854 pages reserved [ 436.649957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.653838] 0 pages cma reserved [ 436.657285] ? __lock_acquire+0x62f/0x4c20 [ 436.662437] aoe: skb alloc failure [ 436.665723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.670010] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.673479] ? __lock_acquire+0x62f/0x4c20 [ 436.678555] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 436.688857] ? should_fail+0x22d/0xd01 [ 436.701597] ? find_held_lock+0x36/0x1c0 [ 436.705669] ? mark_held_locks+0x130/0x130 [ 436.709910] ? mark_held_locks+0x130/0x130 [ 436.714144] ? zap_class+0x640/0x640 [ 436.717860] ? zap_class+0x640/0x640 [ 436.721577] ? print_usage_bug+0xc0/0xc0 [ 436.725635] ? do_raw_spin_unlock+0xa7/0x330 [ 436.730051] ? zap_class+0x640/0x640 [ 436.733764] ? print_usage_bug+0xc0/0xc0 [ 436.737843] ? wq_watchdog_touch+0x9c/0xfe [ 436.742099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.747652] ? check_preemption_disabled+0x48/0x280 [ 436.752679] ? __lock_is_held+0xb5/0x140 [ 436.756750] __alloc_pages_nodemask+0xad8/0xea0 [ 436.761434] ? zap_class+0x640/0x640 [ 436.765157] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 436.770187] ? find_held_lock+0x36/0x1c0 [ 436.774260] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.778929] ? lock_downgrade+0x900/0x900 [ 436.783086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.788628] cache_grow_begin+0xa5/0x8c0 [ 436.792688] ? do_raw_spin_unlock+0xa7/0x330 [ 436.797103] fallback_alloc+0x204/0x2e0 [ 436.801084] ____cache_alloc_node+0x1c7/0x1e0 [ 436.805589] kmem_cache_alloc_node+0xe3/0x730 [ 436.810084] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.814332] __alloc_skb+0x119/0x770 [ 436.818046] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.823330] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.827757] ? lock_downgrade+0x900/0x900 [ 436.831918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.837457] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.842907] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.848370] ? addrconf_rs_timer+0x690/0x690 [ 436.852812] ndisc_alloc_skb+0x144/0x340 [ 436.856882] ndisc_send_rs+0x331/0x6e0 [ 436.860775] addrconf_rs_timer+0x314/0x690 [ 436.865017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.869261] call_timer_fn+0x272/0x920 [ 436.873148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.877382] ? process_timeout+0x40/0x40 [ 436.881465] ? __run_timers+0x7da/0xc70 [ 436.885446] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.889954] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.894463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.898699] ? lockdep_hardirqs_on+0x296/0x5b0 [ 436.903295] ? trace_hardirqs_on+0xbd/0x310 [ 436.907617] ? kasan_check_read+0x11/0x20 [ 436.911793] ? __run_timers+0x7da/0xc70 [ 436.915781] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.920905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.925147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.929380] __run_timers+0x7e5/0xc70 [ 436.933208] ? timer_fixup_init+0x70/0x70 [ 436.937358] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.942374] ? zap_class+0x640/0x640 [ 436.946125] ? enqueue_hrtimer+0x1a5/0x560 [ 436.950364] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.955568] ? find_held_lock+0x36/0x1c0 [ 436.959635] ? zap_class+0x640/0x640 [ 436.963354] ? pvclock_read_flags+0x160/0x160 [ 436.967854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.973400] ? check_preemption_disabled+0x48/0x280 [ 436.978452] ? __lock_is_held+0xb5/0x140 [ 436.982521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.988062] ? check_preemption_disabled+0x48/0x280 [ 436.993087] run_timer_softirq+0x52/0xb0 [ 436.997147] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.002170] __do_softirq+0x308/0xb7e [ 437.005971] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 437.010468] ? lock_downgrade+0x900/0x900 [ 437.014620] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.019730] ? pvclock_read_flags+0x160/0x160 [ 437.024231] ? lapic_next_event+0x5a/0x90 [ 437.028386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.033945] ? kvm_clock_read+0x18/0x30 [ 437.037917] ? kvm_sched_clock_read+0x9/0x20 [ 437.042331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.047887] ? check_preemption_disabled+0x48/0x280 [ 437.052914] irq_exit+0x17f/0x1c0 [ 437.056368] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.061681] ? smp_reschedule_interrupt+0x109/0x650 [ 437.066700] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.072584] ? interrupt_entry+0xb5/0xc0 [ 437.076649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.081667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.086685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.091532] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.096551] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.101570] ? task_prio+0x50/0x50 [ 437.105115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.110657] ? check_preemption_disabled+0x48/0x280 [ 437.115683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.120535] apic_timer_interrupt+0xf/0x20 [ 437.124765] [ 437.127008] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 437.131936] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 437.150833] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 437.158542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 437.165811] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 437.173078] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 437.180349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 437.187629] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 437.194934] skb_clone+0x1bb/0x500 [ 437.198479] ? skb_split+0x11e0/0x11e0 [ 437.202369] ? preempt_notifier_register+0x200/0x200 [ 437.207476] ? __switch_to_asm+0x34/0x70 [ 437.211537] ? __switch_to_asm+0x34/0x70 [ 437.215594] ? __switch_to_asm+0x40/0x70 [ 437.219653] ? __switch_to_asm+0x34/0x70 [ 437.223709] ? __switch_to_asm+0x40/0x70 [ 437.227771] ? __switch_to_asm+0x40/0x70 [ 437.231834] ? __switch_to_asm+0x34/0x70 [ 437.235897] ? __switch_to_asm+0x34/0x70 [ 437.239954] ? __switch_to_asm+0x40/0x70 [ 437.244008] ? __switch_to_asm+0x34/0x70 [ 437.248086] bpf_clone_redirect+0xb9/0x490 [ 437.252332] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 437.257350] ? __sched_text_start+0x8/0x8 [ 437.261500] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.266269] ? find_held_lock+0x36/0x1c0 [ 437.270340] ? lock_acquire+0x1ed/0x520 [ 437.274315] ? bpf_test_run+0x3ee/0x7a0 [ 437.278292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.283849] ? check_preemption_disabled+0x48/0x280 [ 437.288898] ? kasan_check_read+0x11/0x20 [ 437.293060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.298349] ? rcu_softirq_qs+0x20/0x20 [ 437.302322] ? preempt_schedule+0x4d/0x60 [ 437.306470] ? ___preempt_schedule+0x16/0x18 [ 437.310891] ? bpf_test_run+0x271/0x7a0 [ 437.314882] ? netlink_diag_dump+0x2a0/0x2a0 [ 437.319332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.324888] ? bpf_test_init.isra.10+0x70/0x100 [ 437.329562] ? bpf_prog_test_run_skb+0x762/0xd60 [ 437.334332] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 437.339185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 437.344721] ? fput+0x130/0x1a0 [ 437.348004] ? __bpf_prog_get+0x9b/0x290 [ 437.352074] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 437.356917] ? bpf_prog_test_run+0x130/0x1a0 [ 437.361330] ? __x64_sys_bpf+0x3d8/0x520 [ 437.365391] ? bpf_prog_get+0x20/0x20 [ 437.369226] ? do_syscall_64+0x1b9/0x820 [ 437.373286] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.378650] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.383581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.388437] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.393456] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 437.398478] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.403504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.408353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.413740] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 437.413809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.420665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.420671] Call Trace: [ 437.420689] dump_stack+0x244/0x39d [ 437.420708] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.420725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.427249] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.436553] warn_alloc.cold.116+0xb7/0x1bd [ 437.439126] syz-executor2 cpuset=syz2 mems_allowed=0 [ 437.442745] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.478127] ? lock_downgrade+0x900/0x900 [ 437.482285] ? trace_hardirqs_off+0xb8/0x310 [ 437.486702] ? trace_hardirqs_off+0xb8/0x310 [ 437.491146] __alloc_pages_slowpath+0x2651/0x2de0 [ 437.496017] ? warn_alloc+0x120/0x120 [ 437.499821] ? warn_alloc+0x120/0x120 [ 437.503634] ? warn_alloc+0x120/0x120 [ 437.507456] ? print_usage_bug+0xc0/0xc0 [ 437.511542] ? print_usage_bug+0xc0/0xc0 [ 437.515607] ? mark_held_locks+0x130/0x130 [ 437.519844] ? mark_held_locks+0x130/0x130 [ 437.524083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.529621] ? should_fail+0x22d/0xd01 [ 437.533507] ? zap_class+0x640/0x640 [ 437.537224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.542328] ? __lock_acquire+0x62f/0x4c20 [ 437.546569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.551671] ? __lock_acquire+0x62f/0x4c20 [ 437.555909] ? should_fail+0x22d/0xd01 [ 437.559843] ? mark_held_locks+0x130/0x130 [ 437.564100] ? mark_held_locks+0x130/0x130 [ 437.568336] ? lock_downgrade+0x900/0x900 [ 437.572487] ? zap_class+0x640/0x640 [ 437.576205] ? zap_class+0x640/0x640 [ 437.579927] ? do_raw_spin_unlock+0xa7/0x330 [ 437.584339] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.589097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.594640] ? check_preemption_disabled+0x48/0x280 [ 437.599665] ? __lock_is_held+0xb5/0x140 [ 437.603744] __alloc_pages_nodemask+0xad8/0xea0 [ 437.608417] ? zap_class+0x640/0x640 [ 437.612155] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 437.617182] ? find_held_lock+0x36/0x1c0 [ 437.621251] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.625928] ? lock_downgrade+0x900/0x900 [ 437.630082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.635625] cache_grow_begin+0xa5/0x8c0 [ 437.639688] ? do_raw_spin_unlock+0xa7/0x330 [ 437.644104] fallback_alloc+0x204/0x2e0 [ 437.648087] ____cache_alloc_node+0x1c7/0x1e0 [ 437.652598] kmem_cache_alloc_node+0xe3/0x730 [ 437.657095] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.661691] __alloc_skb+0x119/0x770 [ 437.665412] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 437.670798] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.675245] ? vprintk_default+0x28/0x30 [ 437.679350] ? vprintk_func+0x85/0x181 [ 437.683239] ? printk+0xa7/0xcf [ 437.686521] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 437.691287] new_skb+0x26/0x1c0 [ 437.694584] aoecmd_cfg+0x279/0x7f0 [ 437.698216] ? find_held_lock+0x36/0x1c0 [ 437.702283] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 437.706611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.712163] ? __lock_is_held+0xb5/0x140 [ 437.716250] discover_timer+0x50/0x60 [ 437.720053] call_timer_fn+0x272/0x920 [ 437.723945] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.728789] ? process_timeout+0x40/0x40 [ 437.732861] ? __run_timers+0x7da/0xc70 [ 437.736841] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.741347] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.745838] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.750694] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.755280] ? trace_hardirqs_on+0xbd/0x310 [ 437.759601] ? kasan_check_read+0x11/0x20 [ 437.763747] ? __run_timers+0x7da/0xc70 [ 437.767726] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.772860] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.777700] __run_timers+0x7e5/0xc70 [ 437.781516] ? timer_fixup_init+0x70/0x70 [ 437.785663] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.790159] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.794657] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.799248] ? trace_hardirqs_on+0xbd/0x310 [ 437.803570] ? kasan_check_read+0x11/0x20 [ 437.807727] ? finish_task_switch+0x1f4/0x910 [ 437.812231] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.817335] ? compat_start_thread+0x80/0x80 [ 437.821770] ? pvclock_read_flags+0x160/0x160 [ 437.826263] ? __switch_to_asm+0x34/0x70 [ 437.830329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.835869] ? check_preemption_disabled+0x48/0x280 [ 437.840943] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 437.846496] ? rcu_pm_notify+0xc0/0xc0 [ 437.850386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.855948] ? check_preemption_disabled+0x48/0x280 [ 437.860984] run_timer_softirq+0x52/0xb0 [ 437.865046] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.870067] __do_softirq+0x308/0xb7e [ 437.873870] ? retint_kernel+0x2d/0x2d [ 437.877763] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.882865] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.888315] ? retint_kernel+0x2d/0x2d [ 437.892207] ? schedule+0x108/0x460 [ 437.895843] ? trace_hardirqs_off+0xb8/0x310 [ 437.900252] ? smpboot_thread_fn+0x68b/0xa00 [ 437.904665] ? trace_hardirqs_on+0x310/0x310 [ 437.909079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.914620] ? check_preemption_disabled+0x48/0x280 [ 437.919638] ? takeover_tasklets+0xa90/0xa90 [ 437.924060] run_ksoftirqd+0x5e/0x100 [ 437.927892] smpboot_thread_fn+0x68b/0xa00 [ 437.932136] ? sort_range+0x30/0x30 [ 437.935762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.940866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.946414] ? __kthread_parkme+0xfb/0x1a0 [ 437.950657] ? sort_range+0x30/0x30 [ 437.954284] kthread+0x35a/0x440 [ 437.957653] ? kthread_stop+0x900/0x900 [ 437.961673] ret_from_fork+0x3a/0x50 [ 437.965424] warn_alloc_show_mem: 1 callbacks suppressed [ 437.965436] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 437.965438] Mem-Info: [ 437.965470] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 437.965470] active_file:133 inactive_file:117 isolated_file:0 [ 437.965470] unevictable:0 dirty:3 writeback:0 unstable:0 [ 437.965470] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 437.965470] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 437.965470] free:13727 free_pcp:164 free_cma:0 [ 437.970802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.978167] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 437.980566] Call Trace: [ 438.013774] 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 [ 438.023134] [ 438.050902] lowmem_reserve[]: 0 2818 6321 6321 [ 438.053486] dump_stack+0x244/0x39d [ 438.079569] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 438.081713] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.086265] lowmem_reserve[]: 0 0 3503 3503 [ 438.089899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.117461] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 438.122646] warn_alloc.cold.116+0xb7/0x1bd [ 438.126959] lowmem_reserve[]: 0 0 0 0 [ 438.132494] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.161701] 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 [ 438.166022] ? lock_downgrade+0x900/0x900 [ 438.169797] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 438.174638] ? trace_hardirqs_off+0xb8/0x310 [ 438.188152] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 438.192298] ? trace_hardirqs_off+0xb8/0x310 [ 438.207623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 438.212020] __alloc_pages_slowpath+0x2651/0x2de0 [ 438.225533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 438.229945] ? warn_alloc+0x120/0x120 [ 438.238745] 2220 total pagecache pages [ 438.243579] ? print_usage_bug+0xc0/0xc0 [ 438.252132] 0 pages in swap cache [ 438.255952] ? warn_alloc+0x120/0x120 [ 438.259851] Swap cache stats: add 0, delete 0, find 0/0 [ 438.263899] ? warn_alloc+0x120/0x120 [ 438.267330] Free swap = 0kB [ 438.271122] ? print_usage_bug+0xc0/0xc0 [ 438.276460] Total swap = 0kB [ 438.280250] ? print_usage_bug+0xc0/0xc0 [ 438.283248] 1965979 pages RAM [ 438.287307] ? __lock_acquire+0x62f/0x4c20 [ 438.290303] 0 pages HighMem/MovableOnly [ 438.294363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.297446] 342854 pages reserved [ 438.301673] ? should_fail+0x22d/0xd01 [ 438.305621] 0 pages cma reserved [ 438.311149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.314646] aoe: skb alloc failure [ 438.318458] ? __lock_acquire+0x62f/0x4c20 [ 438.321855] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.326925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.330446] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 438.334673] ? __lock_acquire+0x62f/0x4c20 [ 438.358932] ? should_fail+0x22d/0xd01 [ 438.362823] ? find_held_lock+0x36/0x1c0 [ 438.366909] ? mark_held_locks+0x130/0x130 [ 438.371150] ? mark_held_locks+0x130/0x130 [ 438.375381] ? zap_class+0x640/0x640 [ 438.379107] ? zap_class+0x640/0x640 [ 438.382821] ? print_usage_bug+0xc0/0xc0 [ 438.386880] ? do_raw_spin_unlock+0xa7/0x330 [ 438.391290] ? zap_class+0x640/0x640 [ 438.395005] ? print_usage_bug+0xc0/0xc0 [ 438.399069] ? wq_watchdog_touch+0x9c/0xfe [ 438.403322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.408858] ? check_preemption_disabled+0x48/0x280 [ 438.413878] ? __lock_is_held+0xb5/0x140 [ 438.417944] __alloc_pages_nodemask+0xad8/0xea0 [ 438.422659] ? zap_class+0x640/0x640 [ 438.426379] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 438.431449] ? find_held_lock+0x36/0x1c0 [ 438.435528] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.440201] ? lock_downgrade+0x900/0x900 [ 438.444355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.449898] cache_grow_begin+0xa5/0x8c0 [ 438.453956] ? do_raw_spin_unlock+0xa7/0x330 [ 438.458373] fallback_alloc+0x204/0x2e0 [ 438.462378] ____cache_alloc_node+0x1c7/0x1e0 [ 438.466889] kmem_cache_alloc_node+0xe3/0x730 [ 438.471383] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.475653] __alloc_skb+0x119/0x770 [ 438.479364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.484649] ? netdev_alloc_frag+0x1f0/0x1f0 [ 438.489055] ? lock_downgrade+0x900/0x900 [ 438.493210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.498750] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.504207] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.509660] ? addrconf_rs_timer+0x690/0x690 [ 438.514080] ndisc_alloc_skb+0x144/0x340 [ 438.518149] ndisc_send_rs+0x331/0x6e0 [ 438.522041] addrconf_rs_timer+0x314/0x690 [ 438.526281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.530533] call_timer_fn+0x272/0x920 [ 438.534445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.538687] ? process_timeout+0x40/0x40 [ 438.542794] ? __run_timers+0x7da/0xc70 [ 438.546767] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.551260] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.555757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.559994] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.564580] ? trace_hardirqs_on+0xbd/0x310 [ 438.568905] ? kasan_check_read+0x11/0x20 [ 438.573052] ? __run_timers+0x7da/0xc70 [ 438.577046] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.582153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.586406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.590651] __run_timers+0x7e5/0xc70 [ 438.594466] ? timer_fixup_init+0x70/0x70 [ 438.598615] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.603635] ? zap_class+0x640/0x640 [ 438.607352] ? enqueue_hrtimer+0x1a5/0x560 [ 438.611593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.616793] ? find_held_lock+0x36/0x1c0 [ 438.620862] ? zap_class+0x640/0x640 [ 438.624583] ? pvclock_read_flags+0x160/0x160 [ 438.629082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.634624] ? check_preemption_disabled+0x48/0x280 [ 438.639648] ? __lock_is_held+0xb5/0x140 [ 438.643714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.649270] ? check_preemption_disabled+0x48/0x280 [ 438.654293] run_timer_softirq+0x52/0xb0 [ 438.658354] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.663372] __do_softirq+0x308/0xb7e [ 438.667203] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.671730] ? lock_downgrade+0x900/0x900 [ 438.675887] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.680996] ? pvclock_read_flags+0x160/0x160 [ 438.685500] ? lapic_next_event+0x5a/0x90 [ 438.689650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.695196] ? kvm_clock_read+0x18/0x30 [ 438.699175] ? kvm_sched_clock_read+0x9/0x20 [ 438.703585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.709124] ? check_preemption_disabled+0x48/0x280 [ 438.714149] irq_exit+0x17f/0x1c0 [ 438.717610] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.722453] ? smp_reschedule_interrupt+0x109/0x650 [ 438.727472] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.733356] ? interrupt_entry+0xb5/0xc0 [ 438.737431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.742449] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.747472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.752322] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.757338] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.762358] ? task_prio+0x50/0x50 [ 438.765907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.771449] ? check_preemption_disabled+0x48/0x280 [ 438.776476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.781332] apic_timer_interrupt+0xf/0x20 [ 438.785563] [ 438.787805] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 438.792736] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 438.811634] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 438.819338] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 438.826606] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 438.833877] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 438.841142] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 438.848422] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 438.855728] skb_clone+0x1bb/0x500 [ 438.859276] ? skb_split+0x11e0/0x11e0 [ 438.863167] ? preempt_notifier_register+0x200/0x200 [ 438.868269] ? __switch_to_asm+0x34/0x70 [ 438.872362] ? __switch_to_asm+0x34/0x70 [ 438.876447] ? __switch_to_asm+0x40/0x70 [ 438.880505] ? __switch_to_asm+0x34/0x70 [ 438.884568] ? __switch_to_asm+0x40/0x70 [ 438.888631] ? __switch_to_asm+0x40/0x70 [ 438.892688] ? __switch_to_asm+0x34/0x70 [ 438.896747] ? __switch_to_asm+0x34/0x70 [ 438.900805] ? __switch_to_asm+0x40/0x70 [ 438.904882] ? __switch_to_asm+0x34/0x70 [ 438.908945] bpf_clone_redirect+0xb9/0x490 [ 438.913186] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 438.918204] ? __sched_text_start+0x8/0x8 [ 438.922356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.927127] ? find_held_lock+0x36/0x1c0 [ 438.931195] ? lock_acquire+0x1ed/0x520 [ 438.935181] ? bpf_test_run+0x3ee/0x7a0 [ 438.939155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.944691] ? check_preemption_disabled+0x48/0x280 [ 438.949713] ? kasan_check_read+0x11/0x20 [ 438.953866] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.959145] ? rcu_softirq_qs+0x20/0x20 [ 438.963120] ? preempt_schedule+0x4d/0x60 [ 438.967266] ? ___preempt_schedule+0x16/0x18 [ 438.971678] ? bpf_test_run+0x271/0x7a0 [ 438.975667] ? netlink_diag_dump+0x2a0/0x2a0 [ 438.980078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.985621] ? bpf_test_init.isra.10+0x70/0x100 [ 438.990301] ? bpf_prog_test_run_skb+0x762/0xd60 [ 438.995068] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.999929] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.005471] ? fput+0x130/0x1a0 [ 439.008773] ? __bpf_prog_get+0x9b/0x290 [ 439.012839] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 439.017686] ? bpf_prog_test_run+0x130/0x1a0 [ 439.022102] ? __x64_sys_bpf+0x3d8/0x520 [ 439.026162] ? bpf_prog_get+0x20/0x20 [ 439.030008] ? do_syscall_64+0x1b9/0x820 [ 439.034114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 439.039495] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.044431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.049280] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.054298] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 439.059319] ? prepare_exit_to_usermode+0x291/0x3b0 [ 439.064818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.069679] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 439.075061] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 439.075132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 439.081990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.081995] Call Trace: [ 439.082013] dump_stack+0x244/0x39d [ 439.082037] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.088579] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.097874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.100437] syz-executor2 cpuset=syz2 mems_allowed=0 [ 439.104067] warn_alloc.cold.116+0xb7/0x1bd [ 439.134632] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.139479] ? lock_downgrade+0x900/0x900 [ 439.143638] ? trace_hardirqs_off+0xb8/0x310 [ 439.148059] ? trace_hardirqs_off+0xb8/0x310 [ 439.152492] __alloc_pages_slowpath+0x2651/0x2de0 [ 439.157364] ? warn_alloc+0x120/0x120 [ 439.161177] ? warn_alloc+0x120/0x120 [ 439.164982] ? warn_alloc+0x120/0x120 [ 439.168797] ? print_usage_bug+0xc0/0xc0 [ 439.172882] ? print_usage_bug+0xc0/0xc0 [ 439.176950] ? mark_held_locks+0x130/0x130 [ 439.181186] ? mark_held_locks+0x130/0x130 [ 439.185434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.190977] ? should_fail+0x22d/0xd01 [ 439.194865] ? zap_class+0x640/0x640 [ 439.198582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.203685] ? __lock_acquire+0x62f/0x4c20 [ 439.207930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.213033] ? __lock_acquire+0x62f/0x4c20 [ 439.217266] ? should_fail+0x22d/0xd01 [ 439.221167] ? mark_held_locks+0x130/0x130 [ 439.225419] ? mark_held_locks+0x130/0x130 [ 439.229658] ? lock_downgrade+0x900/0x900 [ 439.233807] ? zap_class+0x640/0x640 [ 439.237525] ? zap_class+0x640/0x640 [ 439.241240] ? do_raw_spin_unlock+0xa7/0x330 [ 439.245652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.250418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.255963] ? check_preemption_disabled+0x48/0x280 [ 439.260990] ? __lock_is_held+0xb5/0x140 [ 439.265061] __alloc_pages_nodemask+0xad8/0xea0 [ 439.269756] ? zap_class+0x640/0x640 [ 439.273492] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 439.278524] ? find_held_lock+0x36/0x1c0 [ 439.282601] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.287271] ? lock_downgrade+0x900/0x900 [ 439.291465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.297007] cache_grow_begin+0xa5/0x8c0 [ 439.301067] ? do_raw_spin_unlock+0xa7/0x330 [ 439.305500] fallback_alloc+0x204/0x2e0 [ 439.309483] ____cache_alloc_node+0x1c7/0x1e0 [ 439.313981] kmem_cache_alloc_node+0xe3/0x730 [ 439.318495] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.323087] __alloc_skb+0x119/0x770 [ 439.326800] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 439.332187] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.336610] ? vprintk_default+0x28/0x30 [ 439.340672] ? vprintk_func+0x85/0x181 [ 439.344593] ? printk+0xa7/0xcf [ 439.347872] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 439.352640] new_skb+0x26/0x1c0 [ 439.355946] aoecmd_cfg+0x279/0x7f0 [ 439.359587] ? find_held_lock+0x36/0x1c0 [ 439.363668] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 439.368000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.373548] ? __lock_is_held+0xb5/0x140 [ 439.377620] discover_timer+0x50/0x60 [ 439.381430] call_timer_fn+0x272/0x920 [ 439.385319] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 439.390162] ? process_timeout+0x40/0x40 [ 439.394231] ? __run_timers+0x7da/0xc70 [ 439.398223] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.402718] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.407211] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 439.412054] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.416636] ? trace_hardirqs_on+0xbd/0x310 [ 439.420961] ? kasan_check_read+0x11/0x20 [ 439.425109] ? __run_timers+0x7da/0xc70 [ 439.429088] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.434208] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 439.439047] __run_timers+0x7e5/0xc70 [ 439.442864] ? timer_fixup_init+0x70/0x70 [ 439.447015] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.451507] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.456006] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 439.460608] ? trace_hardirqs_on+0xbd/0x310 [ 439.464931] ? kasan_check_read+0x11/0x20 [ 439.469083] ? finish_task_switch+0x1f4/0x910 [ 439.473598] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.478706] ? compat_start_thread+0x80/0x80 [ 439.483135] ? pvclock_read_flags+0x160/0x160 [ 439.487628] ? __switch_to_asm+0x34/0x70 [ 439.491694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.497233] ? check_preemption_disabled+0x48/0x280 [ 439.502258] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 439.507797] ? rcu_pm_notify+0xc0/0xc0 [ 439.511689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.517244] ? check_preemption_disabled+0x48/0x280 [ 439.522265] run_timer_softirq+0x52/0xb0 [ 439.526343] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.531363] __do_softirq+0x308/0xb7e [ 439.535178] ? retint_kernel+0x2d/0x2d [ 439.539073] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.544179] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.549634] ? retint_kernel+0x2d/0x2d [ 439.553531] ? schedule+0x108/0x460 [ 439.557172] ? trace_hardirqs_off+0xb8/0x310 [ 439.561596] ? smpboot_thread_fn+0x68b/0xa00 [ 439.566010] ? trace_hardirqs_on+0x310/0x310 [ 439.570459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.576027] ? check_preemption_disabled+0x48/0x280 [ 439.581043] ? takeover_tasklets+0xa90/0xa90 [ 439.585452] run_ksoftirqd+0x5e/0x100 [ 439.589251] smpboot_thread_fn+0x68b/0xa00 [ 439.593488] ? sort_range+0x30/0x30 [ 439.597113] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.602214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.607752] ? __kthread_parkme+0xfb/0x1a0 [ 439.612004] ? sort_range+0x30/0x30 [ 439.615634] kthread+0x35a/0x440 [ 439.619006] ? kthread_stop+0x900/0x900 [ 439.622984] ret_from_fork+0x3a/0x50 [ 439.626717] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 439.626723] warn_alloc_show_mem: 1 callbacks suppressed [ 439.626730] Mem-Info: [ 439.634259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.639624] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 439.639624] active_file:133 inactive_file:117 isolated_file:0 [ 439.639624] unevictable:0 dirty:3 writeback:0 unstable:0 [ 439.639624] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 439.639624] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 439.639624] free:13727 free_pcp:164 free_cma:0 [ 439.641995] Call Trace: [ 439.651388] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 439.684578] [ 439.687151] 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 [ 439.714908] dump_stack+0x244/0x39d [ 439.717037] lowmem_reserve[]: 0 2818 6321 6321 [ 439.743143] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.746746] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 439.751320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.756484] lowmem_reserve[]: 0 0 3503 3503 [ 439.784072] warn_alloc.cold.116+0xb7/0x1bd [ 439.789584] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 439.793901] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.798217] lowmem_reserve[]: 0 0 0 0 [ 439.827453] ? lock_downgrade+0x900/0x900 [ 439.832269] 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 [ 439.836066] ? trace_hardirqs_off+0xb8/0x310 [ 439.840233] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 439.853757] ? trace_hardirqs_off+0xb8/0x310 [ 439.858141] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 439.873484] __alloc_pages_slowpath+0x2651/0x2de0 [ 439.877874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 439.891408] ? warn_alloc+0x120/0x120 [ 439.896207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 439.905029] ? print_usage_bug+0xc0/0xc0 [ 439.908819] 2220 total pagecache pages [ 439.917384] ? warn_alloc+0x120/0x120 [ 439.921432] 0 pages in swap cache [ 439.925313] ? warn_alloc+0x120/0x120 [ 439.929107] Swap cache stats: add 0, delete 0, find 0/0 [ 439.932547] ? print_usage_bug+0xc0/0xc0 [ 439.936323] Free swap = 0kB [ 439.941678] ? print_usage_bug+0xc0/0xc0 [ 439.945712] Total swap = 0kB [ 439.948723] ? __lock_acquire+0x62f/0x4c20 [ 439.952757] 1965979 pages RAM [ 439.955768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.959976] 0 pages HighMem/MovableOnly [ 439.963091] ? should_fail+0x22d/0xd01 [ 439.968602] 342854 pages reserved [ 439.972572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.976435] 0 pages cma reserved [ 439.979886] ? __lock_acquire+0x62f/0x4c20 [ 439.985025] aoe: skb alloc failure [ 439.988317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.992584] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.996061] ? __lock_acquire+0x62f/0x4c20 [ 440.001142] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 440.011468] ? should_fail+0x22d/0xd01 [ 440.024209] ? find_held_lock+0x36/0x1c0 [ 440.028283] ? mark_held_locks+0x130/0x130 [ 440.032524] ? mark_held_locks+0x130/0x130 [ 440.036776] ? zap_class+0x640/0x640 [ 440.040494] ? zap_class+0x640/0x640 [ 440.044223] ? print_usage_bug+0xc0/0xc0 [ 440.048315] ? do_raw_spin_unlock+0xa7/0x330 [ 440.052721] ? zap_class+0x640/0x640 [ 440.056442] ? print_usage_bug+0xc0/0xc0 [ 440.060506] ? wq_watchdog_touch+0x9c/0xfe [ 440.064748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.070308] ? check_preemption_disabled+0x48/0x280 [ 440.075352] ? __lock_is_held+0xb5/0x140 [ 440.079436] __alloc_pages_nodemask+0xad8/0xea0 [ 440.084105] ? zap_class+0x640/0x640 [ 440.087825] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 440.092853] ? find_held_lock+0x36/0x1c0 [ 440.096956] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.101646] ? lock_downgrade+0x900/0x900 [ 440.105802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.111344] cache_grow_begin+0xa5/0x8c0 [ 440.115412] ? do_raw_spin_unlock+0xa7/0x330 [ 440.119845] fallback_alloc+0x204/0x2e0 [ 440.123831] ____cache_alloc_node+0x1c7/0x1e0 [ 440.128365] kmem_cache_alloc_node+0xe3/0x730 [ 440.132872] ? ipv6_get_ifaddr+0x42e/0x620 [ 440.137132] __alloc_skb+0x119/0x770 [ 440.140846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.146127] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.150537] ? lock_downgrade+0x900/0x900 [ 440.154696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.160234] ? refcount_sub_and_test_checked+0x203/0x310 [ 440.165688] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 440.171142] ? addrconf_rs_timer+0x690/0x690 [ 440.175567] ndisc_alloc_skb+0x144/0x340 [ 440.179639] ndisc_send_rs+0x331/0x6e0 [ 440.183534] addrconf_rs_timer+0x314/0x690 [ 440.187779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.192135] call_timer_fn+0x272/0x920 [ 440.196026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.200261] ? process_timeout+0x40/0x40 [ 440.204333] ? __run_timers+0x7da/0xc70 [ 440.208323] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.212813] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.217306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.221544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.226131] ? trace_hardirqs_on+0xbd/0x310 [ 440.230454] ? kasan_check_read+0x11/0x20 [ 440.234602] ? __run_timers+0x7da/0xc70 [ 440.238581] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.243688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.247962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.252214] __run_timers+0x7e5/0xc70 [ 440.256036] ? timer_fixup_init+0x70/0x70 [ 440.260185] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.265202] ? zap_class+0x640/0x640 [ 440.268937] ? enqueue_hrtimer+0x1a5/0x560 [ 440.273177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.278430] ? find_held_lock+0x36/0x1c0 [ 440.282501] ? zap_class+0x640/0x640 [ 440.286222] ? pvclock_read_flags+0x160/0x160 [ 440.290735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.296286] ? check_preemption_disabled+0x48/0x280 [ 440.301316] ? __lock_is_held+0xb5/0x140 [ 440.305380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.310931] ? check_preemption_disabled+0x48/0x280 [ 440.315954] run_timer_softirq+0x52/0xb0 [ 440.320019] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.325052] __do_softirq+0x308/0xb7e [ 440.328857] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.333355] ? lock_downgrade+0x900/0x900 [ 440.337514] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.342626] ? pvclock_read_flags+0x160/0x160 [ 440.347126] ? lapic_next_event+0x5a/0x90 [ 440.351282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.356859] ? kvm_clock_read+0x18/0x30 [ 440.360832] ? kvm_sched_clock_read+0x9/0x20 [ 440.365243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.370782] ? check_preemption_disabled+0x48/0x280 [ 440.375812] irq_exit+0x17f/0x1c0 [ 440.379268] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.384111] ? smp_reschedule_interrupt+0x109/0x650 [ 440.389126] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.396054] ? interrupt_entry+0xb5/0xc0 [ 440.400118] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.405137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.410153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.415014] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.420043] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.425057] ? task_prio+0x50/0x50 [ 440.428601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.434141] ? check_preemption_disabled+0x48/0x280 [ 440.439165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.444019] apic_timer_interrupt+0xf/0x20 [ 440.448248] [ 440.450493] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 440.455436] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 440.474339] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 440.482048] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.489311] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 440.496582] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 440.503851] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 440.511115] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 440.518460] skb_clone+0x1bb/0x500 [ 440.522019] ? skb_split+0x11e0/0x11e0 [ 440.525909] ? preempt_notifier_register+0x200/0x200 [ 440.531012] ? __switch_to_asm+0x34/0x70 [ 440.535102] ? __switch_to_asm+0x34/0x70 [ 440.539164] ? __switch_to_asm+0x40/0x70 [ 440.543241] ? __switch_to_asm+0x34/0x70 [ 440.547314] ? __switch_to_asm+0x40/0x70 [ 440.551376] ? __switch_to_asm+0x40/0x70 [ 440.555459] ? __switch_to_asm+0x34/0x70 [ 440.559523] ? __switch_to_asm+0x34/0x70 [ 440.563584] ? __switch_to_asm+0x40/0x70 [ 440.567645] ? __switch_to_asm+0x34/0x70 [ 440.571715] bpf_clone_redirect+0xb9/0x490 [ 440.575958] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 440.580978] ? __sched_text_start+0x8/0x8 [ 440.585147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 440.589915] ? find_held_lock+0x36/0x1c0 [ 440.593988] ? lock_acquire+0x1ed/0x520 [ 440.597977] ? bpf_test_run+0x3ee/0x7a0 [ 440.601956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.607497] ? check_preemption_disabled+0x48/0x280 [ 440.612534] ? kasan_check_read+0x11/0x20 [ 440.616680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.621953] ? rcu_softirq_qs+0x20/0x20 [ 440.625927] ? preempt_schedule+0x4d/0x60 [ 440.630077] ? ___preempt_schedule+0x16/0x18 [ 440.634493] ? bpf_test_run+0x271/0x7a0 [ 440.638487] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.642900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.648443] ? bpf_test_init.isra.10+0x70/0x100 [ 440.653117] ? bpf_prog_test_run_skb+0x762/0xd60 [ 440.657886] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.662738] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.668280] ? fput+0x130/0x1a0 [ 440.671565] ? __bpf_prog_get+0x9b/0x290 [ 440.675633] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.680478] ? bpf_prog_test_run+0x130/0x1a0 [ 440.684903] ? __x64_sys_bpf+0x3d8/0x520 [ 440.688965] ? bpf_prog_get+0x20/0x20 [ 440.692785] ? do_syscall_64+0x1b9/0x820 [ 440.696859] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.702222] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.707148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.712009] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.717030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.722054] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.727078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.731943] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.737326] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 440.737403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 440.744257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.744263] Call Trace: [ 440.744281] dump_stack+0x244/0x39d [ 440.744300] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.744318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.750891] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.760149] warn_alloc.cold.116+0xb7/0x1bd [ 440.762706] syz-executor2 cpuset=syz2 mems_allowed=0 [ 440.766325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.801745] ? lock_downgrade+0x900/0x900 [ 440.805903] ? trace_hardirqs_off+0xb8/0x310 [ 440.810325] ? trace_hardirqs_off+0xb8/0x310 [ 440.814740] __alloc_pages_slowpath+0x2651/0x2de0 [ 440.819611] ? warn_alloc+0x120/0x120 [ 440.823424] ? warn_alloc+0x120/0x120 [ 440.827249] ? warn_alloc+0x120/0x120 [ 440.831064] ? print_usage_bug+0xc0/0xc0 [ 440.835136] ? print_usage_bug+0xc0/0xc0 [ 440.839197] ? mark_held_locks+0x130/0x130 [ 440.843439] ? mark_held_locks+0x130/0x130 [ 440.847678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.853216] ? should_fail+0x22d/0xd01 [ 440.857107] ? zap_class+0x640/0x640 [ 440.860826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.865939] ? __lock_acquire+0x62f/0x4c20 [ 440.870179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.875278] ? __lock_acquire+0x62f/0x4c20 [ 440.879510] ? should_fail+0x22d/0xd01 [ 440.883415] ? mark_held_locks+0x130/0x130 [ 440.887680] ? mark_held_locks+0x130/0x130 [ 440.891915] ? lock_downgrade+0x900/0x900 [ 440.896070] ? zap_class+0x640/0x640 [ 440.899787] ? zap_class+0x640/0x640 [ 440.903501] ? do_raw_spin_unlock+0xa7/0x330 [ 440.907914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 440.912680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.918218] ? check_preemption_disabled+0x48/0x280 [ 440.923244] ? __lock_is_held+0xb5/0x140 [ 440.927313] __alloc_pages_nodemask+0xad8/0xea0 [ 440.931982] ? zap_class+0x640/0x640 [ 440.935702] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 440.940735] ? find_held_lock+0x36/0x1c0 [ 440.944821] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.949508] ? lock_downgrade+0x900/0x900 [ 440.953663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.959205] cache_grow_begin+0xa5/0x8c0 [ 440.963265] ? do_raw_spin_unlock+0xa7/0x330 [ 440.967710] fallback_alloc+0x204/0x2e0 [ 440.971691] ____cache_alloc_node+0x1c7/0x1e0 [ 440.976192] kmem_cache_alloc_node+0xe3/0x730 [ 440.980702] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.985291] __alloc_skb+0x119/0x770 [ 440.989008] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 440.994375] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.998806] ? vprintk_default+0x28/0x30 [ 441.002879] ? vprintk_func+0x85/0x181 [ 441.006768] ? printk+0xa7/0xcf [ 441.010050] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 441.014816] new_skb+0x26/0x1c0 [ 441.018096] aoecmd_cfg+0x279/0x7f0 [ 441.021728] ? find_held_lock+0x36/0x1c0 [ 441.025810] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 441.030137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.035688] ? __lock_is_held+0xb5/0x140 [ 441.039775] discover_timer+0x50/0x60 [ 441.043574] call_timer_fn+0x272/0x920 [ 441.047463] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 441.052306] ? process_timeout+0x40/0x40 [ 441.056373] ? __run_timers+0x7da/0xc70 [ 441.060474] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.064971] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.069470] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 441.074317] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.078904] ? trace_hardirqs_on+0xbd/0x310 [ 441.083232] ? kasan_check_read+0x11/0x20 [ 441.087377] ? __run_timers+0x7da/0xc70 [ 441.091359] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.096474] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 441.101316] __run_timers+0x7e5/0xc70 [ 441.105129] ? timer_fixup_init+0x70/0x70 [ 441.109281] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.113775] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.118274] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 441.122863] ? trace_hardirqs_on+0xbd/0x310 [ 441.127200] ? kasan_check_read+0x11/0x20 [ 441.131365] ? finish_task_switch+0x1f4/0x910 [ 441.135873] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.140977] ? compat_start_thread+0x80/0x80 [ 441.145416] ? pvclock_read_flags+0x160/0x160 [ 441.149925] ? __switch_to_asm+0x34/0x70 [ 441.153993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.159562] ? check_preemption_disabled+0x48/0x280 [ 441.164594] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 441.170137] ? rcu_pm_notify+0xc0/0xc0 [ 441.174029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.179570] ? check_preemption_disabled+0x48/0x280 [ 441.184595] run_timer_softirq+0x52/0xb0 [ 441.188656] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.193694] __do_softirq+0x308/0xb7e [ 441.197517] ? retint_kernel+0x2d/0x2d [ 441.201416] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 441.206524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.212019] ? retint_kernel+0x2d/0x2d [ 441.215911] ? schedule+0x108/0x460 [ 441.219556] ? trace_hardirqs_off+0xb8/0x310 [ 441.223970] ? smpboot_thread_fn+0x68b/0xa00 [ 441.228401] ? trace_hardirqs_on+0x310/0x310 [ 441.232827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.238416] ? check_preemption_disabled+0x48/0x280 [ 441.243467] ? takeover_tasklets+0xa90/0xa90 [ 441.247893] run_ksoftirqd+0x5e/0x100 [ 441.251700] smpboot_thread_fn+0x68b/0xa00 [ 441.255940] ? sort_range+0x30/0x30 [ 441.259565] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.264688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.270225] ? __kthread_parkme+0xfb/0x1a0 [ 441.274482] ? sort_range+0x30/0x30 [ 441.278125] kthread+0x35a/0x440 [ 441.281492] ? kthread_stop+0x900/0x900 [ 441.285472] ret_from_fork+0x3a/0x50 [ 441.289213] warn_alloc_show_mem: 1 callbacks suppressed [ 441.289225] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 441.289227] Mem-Info: [ 441.289260] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 441.289260] active_file:133 inactive_file:117 isolated_file:0 [ 441.289260] unevictable:0 dirty:3 writeback:0 unstable:0 [ 441.289260] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 441.289260] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 441.289260] free:13727 free_pcp:164 free_cma:0 [ 441.294590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.294598] Call Trace: [ 441.301965] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 441.304368] [ 441.337581] 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 [ 441.346938] dump_stack+0x244/0x39d [ 441.349496] lowmem_reserve[]: 0 2818 6321 6321 [ 441.377282] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.379415] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 441.405525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.409125] lowmem_reserve[]: 0 0 3503 3503 [ 441.413708] warn_alloc.cold.116+0xb7/0x1bd [ 441.418867] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 441.446452] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.451962] lowmem_reserve[]: 0 0 0 0 [ 441.456278] ? lock_downgrade+0x900/0x900 [ 441.460573] 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 [ 441.489804] ? trace_hardirqs_off+0xb8/0x310 [ 441.494620] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 441.498425] ? trace_hardirqs_off+0xb8/0x310 [ 441.502541] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 441.516064] __alloc_pages_slowpath+0x2651/0x2de0 [ 441.520449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 441.535801] ? warn_alloc+0x120/0x120 [ 441.540180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 441.553693] ? print_usage_bug+0xc0/0xc0 [ 441.558515] 2220 total pagecache pages [ 441.567341] ? warn_alloc+0x120/0x120 [ 441.571123] 0 pages in swap cache [ 441.579700] ? warn_alloc+0x120/0x120 [ 441.583739] Swap cache stats: add 0, delete 0, find 0/0 [ 441.587619] ? print_usage_bug+0xc0/0xc0 [ 441.591406] Free swap = 0kB [ 441.594860] ? kvm_clock_read+0x18/0x30 [ 441.598646] Total swap = 0kB [ 441.604001] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 441.608034] 1965979 pages RAM [ 441.611061] ? print_usage_bug+0xc0/0xc0 [ 441.615010] 0 pages HighMem/MovableOnly [ 441.618027] ? __lock_acquire+0x62f/0x4c20 [ 441.623021] 342854 pages reserved [ 441.626122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.630158] 0 pages cma reserved [ 441.634129] ? should_fail+0x22d/0xd01 [ 441.638433] aoe: skb alloc failure [ 441.641779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.641798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.641815] ? __lock_acquire+0x62f/0x4c20 [ 441.647356] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.650688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.654554] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 441.658082] ? __lock_acquire+0x62f/0x4c20 [ 441.658098] ? should_fail+0x22d/0xd01 [ 441.700788] ? rcu_irq_exit+0x1a2/0x390 [ 441.704771] ? mark_held_locks+0x130/0x130 [ 441.709011] ? mark_held_locks+0x130/0x130 [ 441.713253] ? mark_held_locks+0xc7/0x130 [ 441.717424] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 441.722450] ? zap_class+0x640/0x640 [ 441.726168] ? print_usage_bug+0xc0/0xc0 [ 441.730233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.735776] ? check_preemption_disabled+0x48/0x280 [ 441.740807] ? __lock_is_held+0xb5/0x140 [ 441.744879] __alloc_pages_nodemask+0xad8/0xea0 [ 441.749581] ? zap_class+0x640/0x640 [ 441.753301] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 441.758330] ? find_held_lock+0x36/0x1c0 [ 441.762412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.767103] ? lock_downgrade+0x900/0x900 [ 441.771256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.776797] cache_grow_begin+0xa5/0x8c0 [ 441.780858] ? do_raw_spin_unlock+0xa7/0x330 [ 441.785302] fallback_alloc+0x204/0x2e0 [ 441.789282] ____cache_alloc_node+0x1c7/0x1e0 [ 441.793787] kmem_cache_alloc_node+0xe3/0x730 [ 441.798288] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.802536] __alloc_skb+0x119/0x770 [ 441.806250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.811531] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.815943] ? lock_downgrade+0x900/0x900 [ 441.820101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.825655] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.831109] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.836563] ? addrconf_rs_timer+0x690/0x690 [ 441.840983] ndisc_alloc_skb+0x144/0x340 [ 441.845049] ndisc_send_rs+0x331/0x6e0 [ 441.848944] addrconf_rs_timer+0x314/0x690 [ 441.853191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.857449] call_timer_fn+0x272/0x920 [ 441.861339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.865575] ? process_timeout+0x40/0x40 [ 441.869643] ? __run_timers+0x7da/0xc70 [ 441.873624] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.878117] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.882626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.886890] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.891509] ? trace_hardirqs_on+0xbd/0x310 [ 441.895855] ? kasan_check_read+0x11/0x20 [ 441.899999] ? __run_timers+0x7da/0xc70 [ 441.903976] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.909081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.913326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.917572] __run_timers+0x7e5/0xc70 [ 441.921380] ? timer_fixup_init+0x70/0x70 [ 441.925536] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.930554] ? zap_class+0x640/0x640 [ 441.934271] ? enqueue_hrtimer+0x1a5/0x560 [ 441.938510] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 441.943706] ? find_held_lock+0x36/0x1c0 [ 441.947775] ? zap_class+0x640/0x640 [ 441.951497] ? pvclock_read_flags+0x160/0x160 [ 441.955996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.961534] ? check_preemption_disabled+0x48/0x280 [ 441.966576] ? __lock_is_held+0xb5/0x140 [ 441.970638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.976239] ? check_preemption_disabled+0x48/0x280 [ 441.981286] run_timer_softirq+0x52/0xb0 [ 441.985347] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.990366] __do_softirq+0x308/0xb7e [ 441.994196] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 441.998714] ? lock_downgrade+0x900/0x900 [ 442.002911] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.008024] ? pvclock_read_flags+0x160/0x160 [ 442.012521] ? lapic_next_event+0x5a/0x90 [ 442.016672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.022217] ? kvm_clock_read+0x18/0x30 [ 442.026188] ? kvm_sched_clock_read+0x9/0x20 [ 442.030612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.036152] ? check_preemption_disabled+0x48/0x280 [ 442.041177] irq_exit+0x17f/0x1c0 [ 442.044652] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.049493] ? smp_reschedule_interrupt+0x109/0x650 [ 442.054511] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.060392] ? interrupt_entry+0xb5/0xc0 [ 442.064487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.069504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.074526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.079383] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.084437] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.089458] ? task_prio+0x50/0x50 [ 442.092999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.098542] ? check_preemption_disabled+0x48/0x280 [ 442.103562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.108424] apic_timer_interrupt+0xf/0x20 [ 442.112655] [ 442.114895] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 442.119824] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 442.138723] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 442.146436] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 442.153705] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 442.160986] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 442.168250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 442.175521] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 442.182824] skb_clone+0x1bb/0x500 [ 442.186368] ? skb_split+0x11e0/0x11e0 [ 442.190267] ? preempt_notifier_register+0x200/0x200 [ 442.195493] ? __switch_to_asm+0x34/0x70 [ 442.199640] ? __switch_to_asm+0x34/0x70 [ 442.203700] ? __switch_to_asm+0x40/0x70 [ 442.207774] ? __switch_to_asm+0x34/0x70 [ 442.211835] ? __switch_to_asm+0x40/0x70 [ 442.215894] ? __switch_to_asm+0x40/0x70 [ 442.219951] ? __switch_to_asm+0x34/0x70 [ 442.224014] ? __switch_to_asm+0x34/0x70 [ 442.228071] ? __switch_to_asm+0x40/0x70 [ 442.232148] ? __switch_to_asm+0x34/0x70 [ 442.236213] bpf_clone_redirect+0xb9/0x490 [ 442.240478] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 442.245502] ? __sched_text_start+0x8/0x8 [ 442.249654] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.254448] ? find_held_lock+0x36/0x1c0 [ 442.258522] ? lock_acquire+0x1ed/0x520 [ 442.262496] ? bpf_test_run+0x3ee/0x7a0 [ 442.266478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.272014] ? check_preemption_disabled+0x48/0x280 [ 442.277039] ? kasan_check_read+0x11/0x20 [ 442.281189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.286470] ? rcu_softirq_qs+0x20/0x20 [ 442.290453] ? preempt_schedule+0x4d/0x60 [ 442.294699] ? ___preempt_schedule+0x16/0x18 [ 442.299126] ? bpf_test_run+0x271/0x7a0 [ 442.303111] ? netlink_diag_dump+0x2a0/0x2a0 [ 442.307525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.313059] ? bpf_test_init.isra.10+0x70/0x100 [ 442.317735] ? bpf_prog_test_run_skb+0x762/0xd60 [ 442.322503] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.327352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.332889] ? fput+0x130/0x1a0 [ 442.336175] ? __bpf_prog_get+0x9b/0x290 [ 442.340267] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.345114] ? bpf_prog_test_run+0x130/0x1a0 [ 442.349528] ? __x64_sys_bpf+0x3d8/0x520 [ 442.353594] ? bpf_prog_get+0x20/0x20 [ 442.357443] ? do_syscall_64+0x1b9/0x820 [ 442.361504] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 442.366871] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.371816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.376663] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.381682] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 442.386706] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.391734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.396583] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 442.401967] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 442.402036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 442.408893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.408902] Call Trace: [ 442.415505] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.424736] dump_stack+0x244/0x39d [ 442.427298] syz-executor2 cpuset=syz2 mems_allowed=0 [ 442.437802] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.451683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.457236] warn_alloc.cold.116+0xb7/0x1bd [ 442.461559] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.466415] ? lock_downgrade+0x900/0x900 [ 442.470570] ? trace_hardirqs_off+0xb8/0x310 [ 442.474985] ? trace_hardirqs_off+0xb8/0x310 [ 442.479411] __alloc_pages_slowpath+0x2651/0x2de0 [ 442.484282] ? warn_alloc+0x120/0x120 [ 442.488092] ? warn_alloc+0x120/0x120 [ 442.491896] ? warn_alloc+0x120/0x120 [ 442.495703] ? print_usage_bug+0xc0/0xc0 [ 442.499768] ? print_usage_bug+0xc0/0xc0 [ 442.503827] ? mark_held_locks+0x130/0x130 [ 442.508061] ? mark_held_locks+0x130/0x130 [ 442.512301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.517836] ? should_fail+0x22d/0xd01 [ 442.521737] ? zap_class+0x640/0x640 [ 442.525469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.530577] ? __lock_acquire+0x62f/0x4c20 [ 442.534835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.539942] ? __lock_acquire+0x62f/0x4c20 [ 442.544194] ? should_fail+0x22d/0xd01 [ 442.548097] ? mark_held_locks+0x130/0x130 [ 442.552335] ? mark_held_locks+0x130/0x130 [ 442.556564] ? lock_downgrade+0x900/0x900 [ 442.560729] ? zap_class+0x640/0x640 [ 442.564460] ? zap_class+0x640/0x640 [ 442.568189] ? zap_class+0x640/0x640 [ 442.571897] ? do_raw_spin_unlock+0xa7/0x330 [ 442.576312] ? trace_hardirqs_on+0x310/0x310 [ 442.580719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.586275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.591850] ? check_preemption_disabled+0x48/0x280 [ 442.596876] ? __lock_is_held+0xb5/0x140 [ 442.600949] __alloc_pages_nodemask+0xad8/0xea0 [ 442.605615] ? zap_class+0x640/0x640 [ 442.609335] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 442.614373] ? find_held_lock+0x36/0x1c0 [ 442.618457] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.623133] ? lock_downgrade+0x900/0x900 [ 442.627292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.632838] cache_grow_begin+0xa5/0x8c0 [ 442.636962] ? do_raw_spin_unlock+0xa7/0x330 [ 442.641400] fallback_alloc+0x204/0x2e0 [ 442.645420] ____cache_alloc_node+0x1c7/0x1e0 [ 442.649954] kmem_cache_alloc_node+0xe3/0x730 [ 442.654452] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.659045] __alloc_skb+0x119/0x770 [ 442.662782] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.668195] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.672629] ? vprintk_default+0x28/0x30 [ 442.676690] ? vprintk_func+0x85/0x181 [ 442.680579] ? printk+0xa7/0xcf [ 442.683859] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 442.688630] new_skb+0x26/0x1c0 [ 442.691913] aoecmd_cfg+0x279/0x7f0 [ 442.695549] ? find_held_lock+0x36/0x1c0 [ 442.699618] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 442.703954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.709509] ? __lock_is_held+0xb5/0x140 [ 442.713584] discover_timer+0x50/0x60 [ 442.717385] call_timer_fn+0x272/0x920 [ 442.721285] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.726128] ? process_timeout+0x40/0x40 [ 442.730229] ? __run_timers+0x7da/0xc70 [ 442.734206] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.738704] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.743212] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.748103] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.752690] ? trace_hardirqs_on+0xbd/0x310 [ 442.757028] ? kasan_check_read+0x11/0x20 [ 442.761201] ? __run_timers+0x7da/0xc70 [ 442.765187] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.770306] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.775145] __run_timers+0x7e5/0xc70 [ 442.778964] ? timer_fixup_init+0x70/0x70 [ 442.783124] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.787616] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.792114] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 442.796697] ? trace_hardirqs_on+0xbd/0x310 [ 442.801019] ? kasan_check_read+0x11/0x20 [ 442.805202] ? finish_task_switch+0x1f4/0x910 [ 442.809699] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.814818] ? compat_start_thread+0x80/0x80 [ 442.819251] ? pvclock_read_flags+0x160/0x160 [ 442.823747] ? __switch_to_asm+0x34/0x70 [ 442.827810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.833350] ? check_preemption_disabled+0x48/0x280 [ 442.838375] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 442.843951] ? rcu_pm_notify+0xc0/0xc0 [ 442.847843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.853381] ? check_preemption_disabled+0x48/0x280 [ 442.858416] run_timer_softirq+0x52/0xb0 [ 442.862493] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.867510] __do_softirq+0x308/0xb7e [ 442.871315] ? retint_kernel+0x2d/0x2d [ 442.875208] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.880308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.885759] ? retint_kernel+0x2d/0x2d [ 442.889654] ? schedule+0x108/0x460 [ 442.893296] ? trace_hardirqs_off+0xb8/0x310 [ 442.897708] ? smpboot_thread_fn+0x68b/0xa00 [ 442.902118] ? trace_hardirqs_on+0x310/0x310 [ 442.906530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.912073] ? check_preemption_disabled+0x48/0x280 [ 442.917119] ? takeover_tasklets+0xa90/0xa90 [ 442.921540] run_ksoftirqd+0x5e/0x100 [ 442.925340] smpboot_thread_fn+0x68b/0xa00 [ 442.929578] ? sort_range+0x30/0x30 [ 442.933210] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.938317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.943856] ? __kthread_parkme+0xfb/0x1a0 [ 442.948093] ? sort_range+0x30/0x30 [ 442.951724] kthread+0x35a/0x440 [ 442.955105] ? kthread_stop+0x900/0x900 [ 442.959078] ret_from_fork+0x3a/0x50 [ 442.962819] warn_alloc_show_mem: 1 callbacks suppressed [ 442.962831] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 442.962833] Mem-Info: [ 442.962866] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 442.962866] active_file:133 inactive_file:117 isolated_file:0 [ 442.962866] unevictable:0 dirty:3 writeback:0 unstable:0 [ 442.962866] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 442.962866] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 442.962866] free:13727 free_pcp:164 free_cma:0 [ 442.968194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.968202] Call Trace: [ 442.975570] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 442.977966] [ 443.011177] 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 [ 443.020527] dump_stack+0x244/0x39d [ 443.023101] lowmem_reserve[]: 0 2818 6321 6321 [ 443.050873] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.052999] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 443.079575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.083182] lowmem_reserve[]: 0 0 3503 3503 [ 443.087765] warn_alloc.cold.116+0xb7/0x1bd [ 443.092923] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 443.120515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.126023] lowmem_reserve[]: 0 0 0 0 [ 443.130355] ? lock_downgrade+0x900/0x900 [ 443.134665] 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 [ 443.163897] ? trace_hardirqs_off+0xb8/0x310 [ 443.168716] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 443.172513] ? trace_hardirqs_off+0xb8/0x310 [ 443.176634] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 443.190153] __alloc_pages_slowpath+0x2651/0x2de0 [ 443.194556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.209910] ? warn_alloc+0x120/0x120 [ 443.214281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.227794] ? warn_alloc+0x120/0x120 [ 443.232610] 2220 total pagecache pages [ 443.241443] ? warn_alloc+0x120/0x120 [ 443.245223] 0 pages in swap cache [ 443.253784] ? print_usage_bug+0xc0/0xc0 [ 443.257578] Swap cache stats: add 0, delete 0, find 0/0 [ 443.261455] ? print_usage_bug+0xc0/0xc0 [ 443.265278] Free swap = 0kB [ 443.265291] Total swap = 0kB [ 443.268750] ? zap_class+0x640/0x640 [ 443.272787] 1965979 pages RAM [ 443.278144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.282180] 0 pages HighMem/MovableOnly [ 443.285193] ? should_fail+0x22d/0xd01 [ 443.288185] 342854 pages reserved [ 443.291894] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.294992] 0 pages cma reserved [ 443.300538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.304551] aoe: skb alloc failure [ 443.308384] ? __lock_acquire+0x62f/0x4c20 [ 443.311861] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.317003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.320347] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 443.325444] ? should_fail+0x22d/0xd01 [ 443.357099] ? mark_held_locks+0x130/0x130 [ 443.361336] ? mark_held_locks+0x130/0x130 [ 443.365571] ? print_usage_bug+0xc0/0xc0 [ 443.369637] ? find_held_lock+0x36/0x1c0 [ 443.373702] ? zap_class+0x640/0x640 [ 443.377432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.382974] ? check_preemption_disabled+0x48/0x280 [ 443.388003] ? __lock_is_held+0xb5/0x140 [ 443.392072] __alloc_pages_nodemask+0xad8/0xea0 [ 443.396742] ? zap_class+0x640/0x640 [ 443.400462] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 443.405490] ? find_held_lock+0x36/0x1c0 [ 443.409575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.414262] ? lock_downgrade+0x900/0x900 [ 443.418435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.423979] cache_grow_begin+0xa5/0x8c0 [ 443.428038] ? do_raw_spin_unlock+0xa7/0x330 [ 443.432459] fallback_alloc+0x204/0x2e0 [ 443.436477] ____cache_alloc_node+0x1c7/0x1e0 [ 443.440981] kmem_cache_alloc_node+0xe3/0x730 [ 443.445495] ? mark_held_locks+0xc7/0x130 [ 443.449656] __alloc_skb+0x119/0x770 [ 443.453377] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.457799] ? do_raw_spin_trylock+0x270/0x270 [ 443.462382] ? kmem_cache_alloc_trace+0x353/0x750 [ 443.467237] ? queue_work_on+0x12c/0x1e0 [ 443.471304] ? switchdev_port_obj_del+0xdc/0x440 [ 443.476063] ? switchdev_trans_item_enqueue+0x260/0x260 [ 443.481444] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.486475] __br_mdb_notify+0x4ff/0x15d0 [ 443.490625] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.495743] ? __br_mdb_add+0x7f0/0x7f0 [ 443.499722] ? mark_held_locks+0x130/0x130 [ 443.504005] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.509118] ? debug_object_assert_init+0x368/0x4b0 [ 443.514128] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.519235] ? debug_object_init_on_stack+0x20/0x20 [ 443.524246] ? zap_class+0x640/0x640 [ 443.527965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.533510] br_mdb_notify+0x310/0x410 [ 443.537410] ? br_mdb_dump+0x27b0/0x27b0 [ 443.541499] br_multicast_del_pg+0x3df/0x790 [ 443.545929] ? br_mdb_ip_get+0x940/0x940 [ 443.549990] ? rwlock_bug.part.2+0x90/0x90 [ 443.554231] ? __lock_is_held+0xb5/0x140 [ 443.558316] br_multicast_port_group_expired+0x189/0x1e0 [ 443.563787] call_timer_fn+0x272/0x920 [ 443.567674] ? br_multicast_del_pg+0x790/0x790 [ 443.572258] ? process_timeout+0x40/0x40 [ 443.576331] ? __run_timers+0x7da/0xc70 [ 443.580308] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.584800] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.589294] ? br_multicast_del_pg+0x790/0x790 [ 443.593880] ? lockdep_hardirqs_on+0x296/0x5b0 [ 443.598464] ? trace_hardirqs_on+0xbd/0x310 [ 443.602784] ? kasan_check_read+0x11/0x20 [ 443.606935] ? __run_timers+0x7da/0xc70 [ 443.610933] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.616056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.620298] ? br_multicast_del_pg+0x790/0x790 [ 443.624877] __run_timers+0x7e5/0xc70 [ 443.628691] ? timer_fixup_init+0x70/0x70 [ 443.632844] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.637862] ? zap_class+0x640/0x640 [ 443.641592] ? enqueue_hrtimer+0x1a5/0x560 [ 443.645832] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.651028] ? find_held_lock+0x36/0x1c0 [ 443.655093] ? zap_class+0x640/0x640 [ 443.658808] ? pvclock_read_flags+0x160/0x160 [ 443.663309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.668851] ? check_preemption_disabled+0x48/0x280 [ 443.673896] ? __lock_is_held+0xb5/0x140 [ 443.677958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.683526] ? check_preemption_disabled+0x48/0x280 [ 443.688556] run_timer_softirq+0x52/0xb0 [ 443.692616] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.697632] __do_softirq+0x308/0xb7e [ 443.701458] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 443.705956] ? lock_downgrade+0x900/0x900 [ 443.710141] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.715268] ? pvclock_read_flags+0x160/0x160 [ 443.719782] ? lapic_next_event+0x5a/0x90 [ 443.723946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.729488] ? kvm_clock_read+0x18/0x30 [ 443.733462] ? kvm_sched_clock_read+0x9/0x20 [ 443.737890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.743448] ? check_preemption_disabled+0x48/0x280 [ 443.748486] irq_exit+0x17f/0x1c0 [ 443.751968] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.756816] ? smp_reschedule_interrupt+0x109/0x650 [ 443.761835] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.767748] ? interrupt_entry+0xb5/0xc0 [ 443.771833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.776865] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.781880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.786724] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.791744] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.796759] ? task_prio+0x50/0x50 [ 443.800300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.805837] ? check_preemption_disabled+0x48/0x280 [ 443.810859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.815712] apic_timer_interrupt+0xf/0x20 [ 443.819939] [ 443.822179] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 443.827110] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 443.846117] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 443.853829] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 443.861096] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 443.868364] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 443.875639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 443.882905] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 443.890218] skb_clone+0x1bb/0x500 [ 443.893764] ? skb_split+0x11e0/0x11e0 [ 443.897659] ? preempt_notifier_register+0x200/0x200 [ 443.902762] ? __switch_to_asm+0x34/0x70 [ 443.906821] ? __switch_to_asm+0x34/0x70 [ 443.910880] ? __switch_to_asm+0x40/0x70 [ 443.914938] ? __switch_to_asm+0x34/0x70 [ 443.918998] ? __switch_to_asm+0x40/0x70 [ 443.923069] ? __switch_to_asm+0x40/0x70 [ 443.927141] ? __switch_to_asm+0x34/0x70 [ 443.931202] ? __switch_to_asm+0x34/0x70 [ 443.935268] ? __switch_to_asm+0x40/0x70 [ 443.939326] ? __switch_to_asm+0x34/0x70 [ 443.943405] bpf_clone_redirect+0xb9/0x490 [ 443.947657] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 443.952678] ? __sched_text_start+0x8/0x8 [ 443.956828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 443.961610] ? find_held_lock+0x36/0x1c0 [ 443.965688] ? lock_acquire+0x1ed/0x520 [ 443.969664] ? bpf_test_run+0x3ee/0x7a0 [ 443.973638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.979185] ? check_preemption_disabled+0x48/0x280 [ 443.984208] ? kasan_check_read+0x11/0x20 [ 443.988369] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.993649] ? rcu_softirq_qs+0x20/0x20 [ 443.997627] ? preempt_schedule+0x4d/0x60 [ 444.001779] ? ___preempt_schedule+0x16/0x18 [ 444.006226] ? bpf_test_run+0x271/0x7a0 [ 444.010213] ? netlink_diag_dump+0x2a0/0x2a0 [ 444.014623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.020163] ? bpf_test_init.isra.10+0x70/0x100 [ 444.024838] ? bpf_prog_test_run_skb+0x762/0xd60 [ 444.029606] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 444.034473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 444.040006] ? fput+0x130/0x1a0 [ 444.043289] ? __bpf_prog_get+0x9b/0x290 [ 444.047371] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 444.052241] ? bpf_prog_test_run+0x130/0x1a0 [ 444.056653] ? __x64_sys_bpf+0x3d8/0x520 [ 444.060718] ? bpf_prog_get+0x20/0x20 [ 444.064563] ? do_syscall_64+0x1b9/0x820 [ 444.068624] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 444.073995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.078921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.083764] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.088813] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 444.093848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 444.098886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.103735] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 444.109118] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 444.109273] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.116051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.126517] syz-executor2 cpuset=syz2 mems_allowed=0 [ 444.135861] Call Trace: [ 444.143534] dump_stack+0x244/0x39d [ 444.147169] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.152378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.157935] warn_alloc.cold.116+0xb7/0x1bd [ 444.162279] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.167127] ? lock_downgrade+0x900/0x900 [ 444.171288] ? trace_hardirqs_off+0xb8/0x310 [ 444.175707] ? trace_hardirqs_off+0xb8/0x310 [ 444.180123] __alloc_pages_slowpath+0x2651/0x2de0 [ 444.184998] ? warn_alloc+0x120/0x120 [ 444.188804] ? warn_alloc+0x120/0x120 [ 444.193122] ? warn_alloc+0x120/0x120 [ 444.196933] ? print_usage_bug+0xc0/0xc0 [ 444.201001] ? print_usage_bug+0xc0/0xc0 [ 444.205060] ? mark_held_locks+0x130/0x130 [ 444.209298] ? mark_held_locks+0x130/0x130 [ 444.213541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.219082] ? should_fail+0x22d/0xd01 [ 444.222969] ? zap_class+0x640/0x640 [ 444.226691] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.231798] ? __lock_acquire+0x62f/0x4c20 [ 444.236038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.241142] ? __lock_acquire+0x62f/0x4c20 [ 444.245377] ? should_fail+0x22d/0xd01 [ 444.249317] ? mark_held_locks+0x130/0x130 [ 444.253557] ? mark_held_locks+0x130/0x130 [ 444.257795] ? lock_downgrade+0x900/0x900 [ 444.261950] ? zap_class+0x640/0x640 [ 444.265670] ? zap_class+0x640/0x640 [ 444.269387] ? do_raw_spin_unlock+0xa7/0x330 [ 444.273808] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.278570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.284110] ? check_preemption_disabled+0x48/0x280 [ 444.289139] ? __lock_is_held+0xb5/0x140 [ 444.293235] __alloc_pages_nodemask+0xad8/0xea0 [ 444.297939] ? zap_class+0x640/0x640 [ 444.301659] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 444.306690] ? find_held_lock+0x36/0x1c0 [ 444.310767] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.315441] ? lock_downgrade+0x900/0x900 [ 444.319598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.325144] cache_grow_begin+0xa5/0x8c0 [ 444.329210] ? do_raw_spin_unlock+0xa7/0x330 [ 444.333629] fallback_alloc+0x204/0x2e0 [ 444.337610] ____cache_alloc_node+0x1c7/0x1e0 [ 444.342113] kmem_cache_alloc_node+0xe3/0x730 [ 444.346626] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.351221] __alloc_skb+0x119/0x770 [ 444.354938] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 444.360308] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.364722] ? vprintk_default+0x28/0x30 [ 444.368783] ? vprintk_func+0x85/0x181 [ 444.372686] ? printk+0xa7/0xcf [ 444.375970] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 444.380739] new_skb+0x26/0x1c0 [ 444.384021] aoecmd_cfg+0x279/0x7f0 [ 444.387651] ? find_held_lock+0x36/0x1c0 [ 444.391716] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 444.396042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.401591] ? __lock_is_held+0xb5/0x140 [ 444.405663] discover_timer+0x50/0x60 [ 444.409473] call_timer_fn+0x272/0x920 [ 444.413363] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.418215] ? process_timeout+0x40/0x40 [ 444.422288] ? __run_timers+0x7da/0xc70 [ 444.426265] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.430759] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.435259] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.440104] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.444688] ? trace_hardirqs_on+0xbd/0x310 [ 444.449013] ? kasan_check_read+0x11/0x20 [ 444.453174] ? __run_timers+0x7da/0xc70 [ 444.457153] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.462269] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.467113] __run_timers+0x7e5/0xc70 [ 444.470930] ? timer_fixup_init+0x70/0x70 [ 444.475078] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.479572] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.484072] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 444.488656] ? trace_hardirqs_on+0xbd/0x310 [ 444.493008] ? kasan_check_read+0x11/0x20 [ 444.497175] ? finish_task_switch+0x1f4/0x910 [ 444.501673] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.506777] ? compat_start_thread+0x80/0x80 [ 444.511208] ? pvclock_read_flags+0x160/0x160 [ 444.515701] ? __switch_to_asm+0x34/0x70 [ 444.519765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.525318] ? check_preemption_disabled+0x48/0x280 [ 444.530350] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 444.535900] ? rcu_pm_notify+0xc0/0xc0 [ 444.539809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.545348] ? check_preemption_disabled+0x48/0x280 [ 444.550369] run_timer_softirq+0x52/0xb0 [ 444.554450] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.559474] __do_softirq+0x308/0xb7e [ 444.563305] ? retint_kernel+0x2d/0x2d [ 444.567202] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.572309] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.577774] ? retint_kernel+0x2d/0x2d [ 444.581681] ? schedule+0x108/0x460 [ 444.585315] ? trace_hardirqs_off+0xb8/0x310 [ 444.589724] ? smpboot_thread_fn+0x68b/0xa00 [ 444.594136] ? trace_hardirqs_on+0x310/0x310 [ 444.598551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.604089] ? check_preemption_disabled+0x48/0x280 [ 444.609109] ? takeover_tasklets+0xa90/0xa90 [ 444.613519] run_ksoftirqd+0x5e/0x100 [ 444.617322] smpboot_thread_fn+0x68b/0xa00 [ 444.621565] ? sort_range+0x30/0x30 [ 444.625194] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.630298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.635841] ? __kthread_parkme+0xfb/0x1a0 [ 444.640099] ? sort_range+0x30/0x30 [ 444.643730] kthread+0x35a/0x440 [ 444.647100] ? kthread_stop+0x900/0x900 [ 444.651075] ret_from_fork+0x3a/0x50 [ 444.654820] warn_alloc_show_mem: 1 callbacks suppressed [ 444.654832] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 444.654834] Mem-Info: [ 444.654865] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 444.654865] active_file:133 inactive_file:117 isolated_file:0 [ 444.654865] unevictable:0 dirty:3 writeback:0 unstable:0 [ 444.654865] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 444.654865] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 444.654865] free:13727 free_pcp:164 free_cma:0 [ 444.660226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.660234] Call Trace: [ 444.667626] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 444.670022] [ 444.703233] 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 [ 444.712586] dump_stack+0x244/0x39d [ 444.715149] lowmem_reserve[]: 0 2818 6321 6321 [ 444.742903] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.745033] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 444.771149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.774750] lowmem_reserve[]: 0 0 3503 3503 [ 444.779331] warn_alloc.cold.116+0xb7/0x1bd [ 444.784494] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 444.812076] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.817591] lowmem_reserve[]: 0 0 0 0 [ 444.821906] ? lock_downgrade+0x900/0x900 [ 444.826210] 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 [ 444.855444] ? trace_hardirqs_off+0xb8/0x310 [ 444.860260] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 444.864055] ? trace_hardirqs_off+0xb8/0x310 [ 444.868191] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 444.881708] __alloc_pages_slowpath+0x2651/0x2de0 [ 444.886091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.901455] ? warn_alloc+0x120/0x120 [ 444.905820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.919326] ? warn_alloc+0x120/0x120 [ 444.924143] 2220 total pagecache pages [ 444.932982] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.936774] 0 pages in swap cache [ 444.945337] ? warn_alloc+0x120/0x120 [ 444.949120] Swap cache stats: add 0, delete 0, find 0/0 [ 444.952995] ? print_usage_bug+0xc0/0xc0 [ 444.958000] Free swap = 0kB [ 444.961449] ? print_usage_bug+0xc0/0xc0 [ 444.965226] Total swap = 0kB [ 444.970580] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.974613] 1965979 pages RAM [ 444.977626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.981657] 0 pages HighMem/MovableOnly [ 444.984671] ? should_fail+0x22d/0xd01 [ 444.989834] 342854 pages reserved [ 444.992953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.998464] 0 pages cma reserved [ 445.002431] ? __lock_acquire+0x62f/0x4c20 [ 445.006425] aoe: skb alloc failure [ 445.009791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.009805] ? should_fail+0x22d/0xd01 [ 445.009830] ? mark_held_locks+0x130/0x130 [ 445.014934] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.018260] ? mark_held_locks+0x130/0x130 [ 445.022501] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 445.026051] ? print_usage_bug+0xc0/0xc0 [ 445.062941] ? find_held_lock+0x36/0x1c0 [ 445.067009] ? zap_class+0x640/0x640 [ 445.070762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.076320] ? check_preemption_disabled+0x48/0x280 [ 445.081347] ? __lock_is_held+0xb5/0x140 [ 445.085431] __alloc_pages_nodemask+0xad8/0xea0 [ 445.090116] ? zap_class+0x640/0x640 [ 445.093836] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 445.098863] ? find_held_lock+0x36/0x1c0 [ 445.102953] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.107642] ? lock_downgrade+0x900/0x900 [ 445.111798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.117344] cache_grow_begin+0xa5/0x8c0 [ 445.121412] ? do_raw_spin_unlock+0xa7/0x330 [ 445.125839] fallback_alloc+0x204/0x2e0 [ 445.129820] ____cache_alloc_node+0x1c7/0x1e0 [ 445.134323] kmem_cache_alloc_node+0xe3/0x730 [ 445.138822] ? mark_held_locks+0xc7/0x130 [ 445.142980] __alloc_skb+0x119/0x770 [ 445.146702] ? netdev_alloc_frag+0x1f0/0x1f0 [ 445.151109] ? do_raw_spin_trylock+0x270/0x270 [ 445.155697] ? kmem_cache_alloc_trace+0x353/0x750 [ 445.160549] ? queue_work_on+0x12c/0x1e0 [ 445.164621] ? switchdev_port_obj_del+0xdc/0x440 [ 445.169385] ? switchdev_trans_item_enqueue+0x260/0x260 [ 445.174786] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.179810] __br_mdb_notify+0x4ff/0x15d0 [ 445.183957] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.189069] ? __br_mdb_add+0x7f0/0x7f0 [ 445.193051] ? mark_held_locks+0x130/0x130 [ 445.197292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.202411] ? debug_object_assert_init+0x368/0x4b0 [ 445.207444] ? debug_object_init_on_stack+0x20/0x20 [ 445.212459] ? zap_class+0x640/0x640 [ 445.216205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.221764] br_mdb_notify+0x310/0x410 [ 445.225657] ? br_mdb_dump+0x27b0/0x27b0 [ 445.229738] br_multicast_del_pg+0x3df/0x790 [ 445.234154] ? br_mdb_ip_get+0x940/0x940 [ 445.238215] ? rwlock_bug.part.2+0x90/0x90 [ 445.242473] ? __lock_is_held+0xb5/0x140 [ 445.246548] br_multicast_port_group_expired+0x189/0x1e0 [ 445.251998] call_timer_fn+0x272/0x920 [ 445.255900] ? br_multicast_del_pg+0x790/0x790 [ 445.260481] ? process_timeout+0x40/0x40 [ 445.264560] ? __run_timers+0x7da/0xc70 [ 445.268550] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.273042] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.277535] ? br_multicast_del_pg+0x790/0x790 [ 445.282137] ? lockdep_hardirqs_on+0x296/0x5b0 [ 445.286719] ? trace_hardirqs_on+0xbd/0x310 [ 445.291057] ? kasan_check_read+0x11/0x20 [ 445.295217] ? __run_timers+0x7da/0xc70 [ 445.299193] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.304302] ? br_multicast_del_pg+0x790/0x790 [ 445.308904] ? br_multicast_del_pg+0x790/0x790 [ 445.313485] __run_timers+0x7e5/0xc70 [ 445.317297] ? timer_fixup_init+0x70/0x70 [ 445.321451] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.326478] ? zap_class+0x640/0x640 [ 445.330191] ? enqueue_hrtimer+0x1a5/0x560 [ 445.334463] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.339661] ? find_held_lock+0x36/0x1c0 [ 445.343728] ? zap_class+0x640/0x640 [ 445.347451] ? pvclock_read_flags+0x160/0x160 [ 445.351950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.357491] ? check_preemption_disabled+0x48/0x280 [ 445.362517] ? __lock_is_held+0xb5/0x140 [ 445.366581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.372122] ? check_preemption_disabled+0x48/0x280 [ 445.377148] run_timer_softirq+0x52/0xb0 [ 445.381211] ? rcu_read_lock_sched_held+0x14f/0x180 [ 445.386229] __do_softirq+0x308/0xb7e [ 445.390067] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 445.394559] ? lock_downgrade+0x900/0x900 [ 445.398715] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 445.403833] ? pvclock_read_flags+0x160/0x160 [ 445.408332] ? lapic_next_event+0x5a/0x90 [ 445.412488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.418032] ? kvm_clock_read+0x18/0x30 [ 445.422010] ? kvm_sched_clock_read+0x9/0x20 [ 445.426456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.432008] ? check_preemption_disabled+0x48/0x280 [ 445.437035] irq_exit+0x17f/0x1c0 [ 445.440494] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.445345] ? smp_reschedule_interrupt+0x109/0x650 [ 445.450362] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.456257] ? interrupt_entry+0xb5/0xc0 [ 445.460316] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.465327] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.470348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.475212] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.480228] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.485247] ? task_prio+0x50/0x50 [ 445.488806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.494357] ? check_preemption_disabled+0x48/0x280 [ 445.499373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.504244] apic_timer_interrupt+0xf/0x20 [ 445.508471] [ 445.510718] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.515655] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 445.534557] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 445.542264] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.549533] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 445.556800] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 445.564071] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.571341] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 445.578645] skb_clone+0x1bb/0x500 [ 445.582186] ? skb_split+0x11e0/0x11e0 [ 445.586076] ? preempt_notifier_register+0x200/0x200 [ 445.591179] ? __switch_to_asm+0x34/0x70 [ 445.595238] ? __switch_to_asm+0x34/0x70 [ 445.599297] ? __switch_to_asm+0x40/0x70 [ 445.603356] ? __switch_to_asm+0x34/0x70 [ 445.607430] ? __switch_to_asm+0x40/0x70 [ 445.611494] ? __switch_to_asm+0x40/0x70 [ 445.615551] ? __switch_to_asm+0x34/0x70 [ 445.619608] ? __switch_to_asm+0x34/0x70 [ 445.623684] ? __switch_to_asm+0x40/0x70 [ 445.627740] ? __switch_to_asm+0x34/0x70 [ 445.631808] bpf_clone_redirect+0xb9/0x490 [ 445.636050] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 445.641068] ? __sched_text_start+0x8/0x8 [ 445.645218] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.649988] ? find_held_lock+0x36/0x1c0 [ 445.654059] ? lock_acquire+0x1ed/0x520 [ 445.658033] ? bpf_test_run+0x3ee/0x7a0 [ 445.662011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.667550] ? check_preemption_disabled+0x48/0x280 [ 445.672577] ? kasan_check_read+0x11/0x20 [ 445.676727] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.682004] ? rcu_softirq_qs+0x20/0x20 [ 445.685983] ? preempt_schedule+0x4d/0x60 [ 445.690130] ? ___preempt_schedule+0x16/0x18 [ 445.694551] ? bpf_test_run+0x271/0x7a0 [ 445.698544] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.702970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.708520] ? bpf_test_init.isra.10+0x70/0x100 [ 445.713198] ? bpf_prog_test_run_skb+0x762/0xd60 [ 445.717982] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.722832] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.728373] ? fput+0x130/0x1a0 [ 445.731667] ? __bpf_prog_get+0x9b/0x290 [ 445.735734] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.740581] ? bpf_prog_test_run+0x130/0x1a0 [ 445.744996] ? __x64_sys_bpf+0x3d8/0x520 [ 445.749062] ? bpf_prog_get+0x20/0x20 [ 445.752897] ? do_syscall_64+0x1b9/0x820 [ 445.756959] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.762325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.767252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.772097] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.777131] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.782183] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.787219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.792067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.797454] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 445.797601] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.804391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.814873] syz-executor2 cpuset=syz2 mems_allowed=0 [ 445.824212] Call Trace: [ 445.831877] dump_stack+0x244/0x39d [ 445.835515] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.840710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.846262] warn_alloc.cold.116+0xb7/0x1bd [ 445.850623] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.855470] ? lock_downgrade+0x900/0x900 [ 445.859629] ? trace_hardirqs_off+0xb8/0x310 [ 445.864048] ? trace_hardirqs_off+0xb8/0x310 [ 445.868469] __alloc_pages_slowpath+0x2651/0x2de0 [ 445.873340] ? warn_alloc+0x120/0x120 [ 445.877147] ? warn_alloc+0x120/0x120 [ 445.880960] ? warn_alloc+0x120/0x120 [ 445.884761] ? print_usage_bug+0xc0/0xc0 [ 445.888832] ? print_usage_bug+0xc0/0xc0 [ 445.892896] ? mark_held_locks+0x130/0x130 [ 445.897133] ? mark_held_locks+0x130/0x130 [ 445.901376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.906928] ? should_fail+0x22d/0xd01 [ 445.910815] ? zap_class+0x640/0x640 [ 445.914534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.919641] ? __lock_acquire+0x62f/0x4c20 [ 445.923886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.929009] ? __lock_acquire+0x62f/0x4c20 [ 445.933243] ? should_fail+0x22d/0xd01 [ 445.937142] ? mark_held_locks+0x130/0x130 [ 445.941382] ? mark_held_locks+0x130/0x130 [ 445.945626] ? lock_downgrade+0x900/0x900 [ 445.949779] ? zap_class+0x640/0x640 [ 445.953513] ? zap_class+0x640/0x640 [ 445.957230] ? zap_class+0x640/0x640 [ 445.960942] ? do_raw_spin_unlock+0xa7/0x330 [ 445.965350] ? trace_hardirqs_on+0x310/0x310 [ 445.969761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.975304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.980878] ? check_preemption_disabled+0x48/0x280 [ 445.985904] ? __lock_is_held+0xb5/0x140 [ 445.989979] __alloc_pages_nodemask+0xad8/0xea0 [ 445.994662] ? zap_class+0x640/0x640 [ 445.998427] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 446.003462] ? find_held_lock+0x36/0x1c0 [ 446.007534] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.012207] ? lock_downgrade+0x900/0x900 [ 446.016363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.021915] cache_grow_begin+0xa5/0x8c0 [ 446.025982] ? do_raw_spin_unlock+0xa7/0x330 [ 446.030405] fallback_alloc+0x204/0x2e0 [ 446.034387] ____cache_alloc_node+0x1c7/0x1e0 [ 446.038901] kmem_cache_alloc_node+0xe3/0x730 [ 446.043409] ? lockdep_hardirqs_on+0x296/0x5b0 [ 446.048021] __alloc_skb+0x119/0x770 [ 446.051735] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 446.057104] ? netdev_alloc_frag+0x1f0/0x1f0 [ 446.061522] ? vprintk_default+0x28/0x30 [ 446.065586] ? vprintk_func+0x85/0x181 [ 446.069494] ? printk+0xa7/0xcf [ 446.072777] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 446.077548] new_skb+0x26/0x1c0 [ 446.080835] aoecmd_cfg+0x279/0x7f0 [ 446.084468] ? find_held_lock+0x36/0x1c0 [ 446.088531] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 446.092863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.098445] ? __lock_is_held+0xb5/0x140 [ 446.102549] discover_timer+0x50/0x60 [ 446.106368] call_timer_fn+0x272/0x920 [ 446.110265] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 446.115106] ? process_timeout+0x40/0x40 [ 446.119176] ? __run_timers+0x7da/0xc70 [ 446.123171] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.127664] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.132158] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 446.137003] ? lockdep_hardirqs_on+0x296/0x5b0 [ 446.141587] ? trace_hardirqs_on+0xbd/0x310 [ 446.145909] ? kasan_check_read+0x11/0x20 [ 446.150074] ? __run_timers+0x7da/0xc70 [ 446.154053] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.159171] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 446.164011] __run_timers+0x7e5/0xc70 [ 446.167823] ? timer_fixup_init+0x70/0x70 [ 446.171970] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.176469] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.180967] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.185552] ? trace_hardirqs_on+0xbd/0x310 [ 446.189887] ? kasan_check_read+0x11/0x20 [ 446.194510] ? finish_task_switch+0x1f4/0x910 [ 446.199010] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.204114] ? compat_start_thread+0x80/0x80 [ 446.208545] ? pvclock_read_flags+0x160/0x160 [ 446.213036] ? __switch_to_asm+0x34/0x70 [ 446.217102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.222643] ? check_preemption_disabled+0x48/0x280 [ 446.227668] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 446.233207] ? rcu_pm_notify+0xc0/0xc0 [ 446.237100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.242644] ? check_preemption_disabled+0x48/0x280 [ 446.247665] run_timer_softirq+0x52/0xb0 [ 446.251728] ? rcu_read_lock_sched_held+0x14f/0x180 [ 446.256745] __do_softirq+0x308/0xb7e [ 446.260555] ? retint_kernel+0x2d/0x2d [ 446.264466] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 446.269568] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.275021] ? retint_kernel+0x2d/0x2d [ 446.278922] ? schedule+0x108/0x460 [ 446.282559] ? trace_hardirqs_off+0xb8/0x310 [ 446.286971] ? smpboot_thread_fn+0x68b/0xa00 [ 446.291379] ? trace_hardirqs_on+0x310/0x310 [ 446.295796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.301335] ? check_preemption_disabled+0x48/0x280 [ 446.306367] ? takeover_tasklets+0xa90/0xa90 [ 446.310786] run_ksoftirqd+0x5e/0x100 [ 446.314589] smpboot_thread_fn+0x68b/0xa00 [ 446.318830] ? sort_range+0x30/0x30 [ 446.322458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.327566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.333106] ? __kthread_parkme+0xfb/0x1a0 [ 446.337344] ? sort_range+0x30/0x30 [ 446.340974] kthread+0x35a/0x440 [ 446.344339] ? kthread_stop+0x900/0x900 [ 446.348318] ret_from_fork+0x3a/0x50 [ 446.352046] warn_alloc_show_mem: 1 callbacks suppressed [ 446.352059] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 446.352060] Mem-Info: [ 446.352093] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 446.352093] active_file:133 inactive_file:117 isolated_file:0 [ 446.352093] unevictable:0 dirty:3 writeback:0 unstable:0 [ 446.352093] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 446.352093] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 446.352093] free:13727 free_pcp:164 free_cma:0 [ 446.357430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.357438] Call Trace: [ 446.364807] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 446.367233] [ 446.400442] 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 [ 446.409808] dump_stack+0x244/0x39d [ 446.412370] lowmem_reserve[]: 0 2818 6321 6321 [ 446.440134] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.442274] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 446.468377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.471980] lowmem_reserve[]: 0 0 3503 3503 [ 446.476560] warn_alloc.cold.116+0xb7/0x1bd [ 446.481721] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 446.509296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.514805] lowmem_reserve[]: 0 0 0 0 [ 446.519120] ? lock_downgrade+0x900/0x900 [ 446.523419] 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 [ 446.552677] ? trace_hardirqs_off+0xb8/0x310 [ 446.557490] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 446.561286] ? trace_hardirqs_off+0xb8/0x310 [ 446.565415] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 446.578939] __alloc_pages_slowpath+0x2651/0x2de0 [ 446.583327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 446.598679] ? warn_alloc+0x120/0x120 [ 446.603050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 446.616561] ? warn_alloc+0x120/0x120 [ 446.621377] 2220 total pagecache pages [ 446.630215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 446.633995] 0 pages in swap cache [ 446.642569] ? warn_alloc+0x120/0x120 [ 446.646350] Swap cache stats: add 0, delete 0, find 0/0 [ 446.650226] ? print_usage_bug+0xc0/0xc0 [ 446.655217] Free swap = 0kB [ 446.658661] ? print_usage_bug+0xc0/0xc0 [ 446.662442] Total swap = 0kB [ 446.667798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 446.671833] 1965979 pages RAM [ 446.674861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.678910] 0 pages HighMem/MovableOnly [ 446.681941] ? should_fail+0x22d/0xd01 [ 446.687108] 342854 pages reserved [ 446.690207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.695720] 0 pages cma reserved [ 446.699691] ? __lock_acquire+0x62f/0x4c20 [ 446.703623] aoe: skb alloc failure [ 446.706998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.712130] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.715442] ? should_fail+0x22d/0xd01 [ 446.719653] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 446.723192] ? mark_held_locks+0x130/0x130 [ 446.751312] ? mark_held_locks+0x130/0x130 [ 446.755548] ? print_usage_bug+0xc0/0xc0 [ 446.759620] ? find_held_lock+0x36/0x1c0 [ 446.763683] ? zap_class+0x640/0x640 [ 446.767421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.772960] ? check_preemption_disabled+0x48/0x280 [ 446.777986] ? __lock_is_held+0xb5/0x140 [ 446.782059] __alloc_pages_nodemask+0xad8/0xea0 [ 446.786734] ? zap_class+0x640/0x640 [ 446.790461] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 446.795490] ? find_held_lock+0x36/0x1c0 [ 446.799561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.804234] ? lock_downgrade+0x900/0x900 [ 446.808414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.813967] cache_grow_begin+0xa5/0x8c0 [ 446.818043] ? do_raw_spin_unlock+0xa7/0x330 [ 446.822459] fallback_alloc+0x204/0x2e0 [ 446.826446] ____cache_alloc_node+0x1c7/0x1e0 [ 446.830954] kmem_cache_alloc_node+0xe3/0x730 [ 446.835456] ? mark_held_locks+0xc7/0x130 [ 446.839617] __alloc_skb+0x119/0x770 [ 446.843342] ? netdev_alloc_frag+0x1f0/0x1f0 [ 446.847750] ? do_raw_spin_trylock+0x270/0x270 [ 446.852362] ? kmem_cache_alloc_trace+0x353/0x750 [ 446.857251] ? queue_work_on+0x12c/0x1e0 [ 446.861320] ? switchdev_port_obj_del+0xdc/0x440 [ 446.866098] ? switchdev_trans_item_enqueue+0x260/0x260 [ 446.871496] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 446.876535] __br_mdb_notify+0x4ff/0x15d0 [ 446.880683] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.885801] ? __br_mdb_add+0x7f0/0x7f0 [ 446.889779] ? mark_held_locks+0x130/0x130 [ 446.894019] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.899146] ? debug_object_assert_init+0x368/0x4b0 [ 446.904167] ? debug_object_init_on_stack+0x20/0x20 [ 446.909184] ? zap_class+0x640/0x640 [ 446.912902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.918452] br_mdb_notify+0x310/0x410 [ 446.922346] ? br_mdb_dump+0x27b0/0x27b0 [ 446.926438] br_multicast_del_pg+0x3df/0x790 [ 446.930856] ? br_mdb_ip_get+0x940/0x940 [ 446.934920] ? rwlock_bug.part.2+0x90/0x90 [ 446.939164] ? __lock_is_held+0xb5/0x140 [ 446.943237] br_multicast_port_group_expired+0x189/0x1e0 [ 446.948691] call_timer_fn+0x272/0x920 [ 446.952584] ? br_multicast_del_pg+0x790/0x790 [ 446.957169] ? process_timeout+0x40/0x40 [ 446.961241] ? __run_timers+0x7da/0xc70 [ 446.965222] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.969715] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.974214] ? br_multicast_del_pg+0x790/0x790 [ 446.978799] ? lockdep_hardirqs_on+0x296/0x5b0 [ 446.983385] ? trace_hardirqs_on+0xbd/0x310 [ 446.987721] ? kasan_check_read+0x11/0x20 [ 446.991868] ? __run_timers+0x7da/0xc70 [ 446.995846] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.000956] ? br_multicast_del_pg+0x790/0x790 [ 447.005574] ? br_multicast_del_pg+0x790/0x790 [ 447.010158] __run_timers+0x7e5/0xc70 [ 447.013972] ? timer_fixup_init+0x70/0x70 [ 447.018123] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.023144] ? zap_class+0x640/0x640 [ 447.026862] ? enqueue_hrtimer+0x1a5/0x560 [ 447.031101] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.036299] ? find_held_lock+0x36/0x1c0 [ 447.040368] ? zap_class+0x640/0x640 [ 447.044098] ? pvclock_read_flags+0x160/0x160 [ 447.048610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.054149] ? check_preemption_disabled+0x48/0x280 [ 447.059179] ? __lock_is_held+0xb5/0x140 [ 447.063673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.069215] ? check_preemption_disabled+0x48/0x280 [ 447.074237] run_timer_softirq+0x52/0xb0 [ 447.078302] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.083318] __do_softirq+0x308/0xb7e [ 447.087124] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 447.091617] ? lock_downgrade+0x900/0x900 [ 447.095772] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.100914] ? pvclock_read_flags+0x160/0x160 [ 447.105424] ? lapic_next_event+0x5a/0x90 [ 447.109589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.115132] ? kvm_clock_read+0x18/0x30 [ 447.119108] ? kvm_sched_clock_read+0x9/0x20 [ 447.123519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.129059] ? check_preemption_disabled+0x48/0x280 [ 447.134103] irq_exit+0x17f/0x1c0 [ 447.137558] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.142412] ? smp_reschedule_interrupt+0x109/0x650 [ 447.147443] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.153326] ? interrupt_entry+0xb5/0xc0 [ 447.157392] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.162434] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.167455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.172303] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.177321] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.182335] ? task_prio+0x50/0x50 [ 447.185876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.191426] ? check_preemption_disabled+0x48/0x280 [ 447.196455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.201307] apic_timer_interrupt+0xf/0x20 [ 447.205539] [ 447.207789] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.212738] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 447.231635] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 447.239342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.246610] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 447.253877] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 447.261172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.268440] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 447.275748] skb_clone+0x1bb/0x500 [ 447.279295] ? skb_split+0x11e0/0x11e0 [ 447.283186] ? preempt_notifier_register+0x200/0x200 [ 447.288287] ? __switch_to_asm+0x34/0x70 [ 447.292351] ? __switch_to_asm+0x34/0x70 [ 447.296452] ? __switch_to_asm+0x40/0x70 [ 447.300514] ? __switch_to_asm+0x34/0x70 [ 447.304577] ? __switch_to_asm+0x40/0x70 [ 447.308635] ? __switch_to_asm+0x40/0x70 [ 447.312693] ? __switch_to_asm+0x34/0x70 [ 447.316751] ? __switch_to_asm+0x34/0x70 [ 447.320807] ? __switch_to_asm+0x40/0x70 [ 447.324864] ? __switch_to_asm+0x34/0x70 [ 447.328928] bpf_clone_redirect+0xb9/0x490 [ 447.333172] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 447.338191] ? __sched_text_start+0x8/0x8 [ 447.342342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.347110] ? find_held_lock+0x36/0x1c0 [ 447.351179] ? lock_acquire+0x1ed/0x520 [ 447.355154] ? bpf_test_run+0x3ee/0x7a0 [ 447.359135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.364674] ? check_preemption_disabled+0x48/0x280 [ 447.369697] ? kasan_check_read+0x11/0x20 [ 447.373849] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.379124] ? rcu_softirq_qs+0x20/0x20 [ 447.383098] ? preempt_schedule+0x4d/0x60 [ 447.387250] ? ___preempt_schedule+0x16/0x18 [ 447.391669] ? bpf_test_run+0x271/0x7a0 [ 447.395662] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.400072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.405624] ? bpf_test_init.isra.10+0x70/0x100 [ 447.410303] ? bpf_prog_test_run_skb+0x762/0xd60 [ 447.415066] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.419919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.425480] ? fput+0x130/0x1a0 [ 447.428766] ? __bpf_prog_get+0x9b/0x290 [ 447.432835] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.437678] ? bpf_prog_test_run+0x130/0x1a0 [ 447.442091] ? __x64_sys_bpf+0x3d8/0x520 [ 447.446151] ? bpf_prog_get+0x20/0x20 [ 447.449982] ? do_syscall_64+0x1b9/0x820 [ 447.454040] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.459421] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.464369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.469221] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.474253] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.479289] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.484309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.489187] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.494589] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 447.494737] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.501525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.511993] syz-executor2 cpuset=syz2 mems_allowed=0 [ 447.521335] Call Trace: [ 447.529033] dump_stack+0x244/0x39d [ 447.532673] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.537868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.543421] warn_alloc.cold.116+0xb7/0x1bd [ 447.547760] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.552609] ? lock_downgrade+0x900/0x900 [ 447.556768] ? trace_hardirqs_off+0xb8/0x310 [ 447.561192] ? trace_hardirqs_off+0xb8/0x310 [ 447.565607] __alloc_pages_slowpath+0x2651/0x2de0 [ 447.570479] ? warn_alloc+0x120/0x120 [ 447.574286] ? warn_alloc+0x120/0x120 [ 447.578090] ? warn_alloc+0x120/0x120 [ 447.581892] ? print_usage_bug+0xc0/0xc0 [ 447.585983] ? print_usage_bug+0xc0/0xc0 [ 447.590050] ? mark_held_locks+0x130/0x130 [ 447.594286] ? mark_held_locks+0x130/0x130 [ 447.598529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.604075] ? should_fail+0x22d/0xd01 [ 447.607960] ? zap_class+0x640/0x640 [ 447.611683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.616786] ? __lock_acquire+0x62f/0x4c20 [ 447.621030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.626136] ? __lock_acquire+0x62f/0x4c20 [ 447.630372] ? should_fail+0x22d/0xd01 [ 447.634279] ? mark_held_locks+0x130/0x130 [ 447.638519] ? mark_held_locks+0x130/0x130 [ 447.642757] ? lock_downgrade+0x900/0x900 [ 447.646906] ? zap_class+0x640/0x640 [ 447.650634] ? zap_class+0x640/0x640 [ 447.654349] ? do_raw_spin_unlock+0xa7/0x330 [ 447.658762] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.663520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.669060] ? check_preemption_disabled+0x48/0x280 [ 447.674114] ? __lock_is_held+0xb5/0x140 [ 447.678184] __alloc_pages_nodemask+0xad8/0xea0 [ 447.682866] ? zap_class+0x640/0x640 [ 447.686588] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 447.691618] ? find_held_lock+0x36/0x1c0 [ 447.695690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.700362] ? lock_downgrade+0x900/0x900 [ 447.704525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.710070] cache_grow_begin+0xa5/0x8c0 [ 447.714132] ? do_raw_spin_unlock+0xa7/0x330 [ 447.718552] fallback_alloc+0x204/0x2e0 [ 447.722538] ____cache_alloc_node+0x1c7/0x1e0 [ 447.727044] kmem_cache_alloc_node+0xe3/0x730 [ 447.731542] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.736135] __alloc_skb+0x119/0x770 [ 447.739851] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 447.745219] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.749640] ? vprintk_default+0x28/0x30 [ 447.753703] ? vprintk_func+0x85/0x181 [ 447.757594] ? printk+0xa7/0xcf [ 447.760872] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 447.765658] new_skb+0x26/0x1c0 [ 447.768944] aoecmd_cfg+0x279/0x7f0 [ 447.772577] ? find_held_lock+0x36/0x1c0 [ 447.776640] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 447.780972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.786526] ? __lock_is_held+0xb5/0x140 [ 447.790604] discover_timer+0x50/0x60 [ 447.794413] call_timer_fn+0x272/0x920 [ 447.798303] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 447.803148] ? process_timeout+0x40/0x40 [ 447.807218] ? __run_timers+0x7da/0xc70 [ 447.811218] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.815713] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.820208] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 447.825051] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.829634] ? trace_hardirqs_on+0xbd/0x310 [ 447.833958] ? kasan_check_read+0x11/0x20 [ 447.838107] ? __run_timers+0x7da/0xc70 [ 447.842084] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.847204] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 447.852045] __run_timers+0x7e5/0xc70 [ 447.855856] ? timer_fixup_init+0x70/0x70 [ 447.860003] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.864497] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.869022] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 447.873604] ? trace_hardirqs_on+0xbd/0x310 [ 447.877939] ? kasan_check_read+0x11/0x20 [ 447.882088] ? finish_task_switch+0x1f4/0x910 [ 447.886585] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.891691] ? compat_start_thread+0x80/0x80 [ 447.896123] ? pvclock_read_flags+0x160/0x160 [ 447.900621] ? __switch_to_asm+0x34/0x70 [ 447.904685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.910228] ? check_preemption_disabled+0x48/0x280 [ 447.915257] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 447.920797] ? rcu_pm_notify+0xc0/0xc0 [ 447.924686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.930224] ? check_preemption_disabled+0x48/0x280 [ 447.935246] run_timer_softirq+0x52/0xb0 [ 447.939307] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.944324] __do_softirq+0x308/0xb7e [ 447.948127] ? retint_kernel+0x2d/0x2d [ 447.952023] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.957156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.962611] ? retint_kernel+0x2d/0x2d [ 447.966520] ? schedule+0x108/0x460 [ 447.970185] ? trace_hardirqs_off+0xb8/0x310 [ 447.974600] ? smpboot_thread_fn+0x68b/0xa00 [ 447.979009] ? trace_hardirqs_on+0x310/0x310 [ 447.983423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.988965] ? check_preemption_disabled+0x48/0x280 [ 447.994003] ? takeover_tasklets+0xa90/0xa90 [ 447.998420] run_ksoftirqd+0x5e/0x100 [ 448.002242] smpboot_thread_fn+0x68b/0xa00 [ 448.006480] ? sort_range+0x30/0x30 [ 448.010120] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.015224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.020764] ? __kthread_parkme+0xfb/0x1a0 [ 448.025004] ? sort_range+0x30/0x30 [ 448.028631] kthread+0x35a/0x440 [ 448.032000] ? kthread_stop+0x900/0x900 [ 448.036010] ret_from_fork+0x3a/0x50 [ 448.039779] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 448.039784] warn_alloc_show_mem: 1 callbacks suppressed [ 448.039791] Mem-Info: [ 448.047161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.052527] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 448.052527] active_file:133 inactive_file:117 isolated_file:0 [ 448.052527] unevictable:0 dirty:3 writeback:0 unstable:0 [ 448.052527] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 448.052527] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 448.052527] free:13727 free_pcp:164 free_cma:0 [ 448.054898] Call Trace: [ 448.064302] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 448.097494] [ 448.100066] 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 [ 448.127832] dump_stack+0x244/0x39d [ 448.129964] lowmem_reserve[]: 0 2818 6321 6321 [ 448.156069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.159687] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 448.164265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.169425] lowmem_reserve[]: 0 0 3503 3503 [ 448.197190] warn_alloc.cold.116+0xb7/0x1bd [ 448.202701] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 448.207021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.211320] lowmem_reserve[]: 0 0 0 0 [ 448.240555] ? lock_downgrade+0x900/0x900 [ 448.245374] 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 [ 448.249176] ? trace_hardirqs_off+0xb8/0x310 [ 448.253302] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 448.266852] ? trace_hardirqs_off+0xb8/0x310 [ 448.271233] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 448.286575] __alloc_pages_slowpath+0x2651/0x2de0 [ 448.290961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 448.304495] ? warn_alloc+0x120/0x120 [ 448.309296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 448.318117] ? warn_alloc+0x120/0x120 [ 448.321895] 2220 total pagecache pages [ 448.330490] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.334268] 0 pages in swap cache [ 448.338144] ? warn_alloc+0x120/0x120 [ 448.343137] Swap cache stats: add 0, delete 0, find 0/0 [ 448.346580] ? print_usage_bug+0xc0/0xc0 [ 448.350354] Free swap = 0kB [ 448.355713] ? print_usage_bug+0xc0/0xc0 [ 448.359753] Total swap = 0kB [ 448.362763] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.366800] 1965979 pages RAM [ 448.369816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.374977] 0 pages HighMem/MovableOnly [ 448.378081] ? should_fail+0x22d/0xd01 [ 448.383592] 342854 pages reserved [ 448.387558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.391429] 0 pages cma reserved [ 448.394873] ? __lock_acquire+0x62f/0x4c20 [ 448.400059] aoe: skb alloc failure [ 448.403340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.407576] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.411079] ? should_fail+0x22d/0xd01 [ 448.416156] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 448.426466] ? mark_held_locks+0x130/0x130 [ 448.439215] ? mark_held_locks+0x130/0x130 [ 448.443465] ? print_usage_bug+0xc0/0xc0 [ 448.447531] ? find_held_lock+0x36/0x1c0 [ 448.451596] ? zap_class+0x640/0x640 [ 448.455319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.460861] ? check_preemption_disabled+0x48/0x280 [ 448.465905] ? __lock_is_held+0xb5/0x140 [ 448.469972] __alloc_pages_nodemask+0xad8/0xea0 [ 448.474644] ? zap_class+0x640/0x640 [ 448.478367] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 448.483410] ? find_held_lock+0x36/0x1c0 [ 448.487488] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.492161] ? lock_downgrade+0x900/0x900 [ 448.496316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.501864] cache_grow_begin+0xa5/0x8c0 [ 448.505981] ? do_raw_spin_unlock+0xa7/0x330 [ 448.510425] fallback_alloc+0x204/0x2e0 [ 448.514428] ____cache_alloc_node+0x1c7/0x1e0 [ 448.518930] kmem_cache_alloc_node+0xe3/0x730 [ 448.523435] ? mark_held_locks+0xc7/0x130 [ 448.527597] __alloc_skb+0x119/0x770 [ 448.531316] ? netdev_alloc_frag+0x1f0/0x1f0 [ 448.535725] ? do_raw_spin_trylock+0x270/0x270 [ 448.540308] ? kmem_cache_alloc_trace+0x353/0x750 [ 448.545156] ? queue_work_on+0x12c/0x1e0 [ 448.549229] ? switchdev_port_obj_del+0xdc/0x440 [ 448.553987] ? switchdev_trans_item_enqueue+0x260/0x260 [ 448.559354] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.564382] __br_mdb_notify+0x4ff/0x15d0 [ 448.568542] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.573658] ? __br_mdb_add+0x7f0/0x7f0 [ 448.577635] ? mark_held_locks+0x130/0x130 [ 448.581878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.586998] ? debug_object_assert_init+0x368/0x4b0 [ 448.592018] ? debug_object_init_on_stack+0x20/0x20 [ 448.597034] ? zap_class+0x640/0x640 [ 448.600754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.606300] br_mdb_notify+0x310/0x410 [ 448.610187] ? br_mdb_dump+0x27b0/0x27b0 [ 448.614266] br_multicast_del_pg+0x3df/0x790 [ 448.618681] ? br_mdb_ip_get+0x940/0x940 [ 448.622747] ? rwlock_bug.part.2+0x90/0x90 [ 448.626985] ? __lock_is_held+0xb5/0x140 [ 448.631059] br_multicast_port_group_expired+0x189/0x1e0 [ 448.636516] call_timer_fn+0x272/0x920 [ 448.640415] ? br_multicast_del_pg+0x790/0x790 [ 448.645006] ? process_timeout+0x40/0x40 [ 448.649072] ? __run_timers+0x7da/0xc70 [ 448.653052] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.657550] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.662046] ? br_multicast_del_pg+0x790/0x790 [ 448.666630] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.671217] ? trace_hardirqs_on+0xbd/0x310 [ 448.675541] ? kasan_check_read+0x11/0x20 [ 448.679690] ? __run_timers+0x7da/0xc70 [ 448.683666] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.688775] ? br_multicast_del_pg+0x790/0x790 [ 448.693367] ? br_multicast_del_pg+0x790/0x790 [ 448.697957] __run_timers+0x7e5/0xc70 [ 448.701766] ? timer_fixup_init+0x70/0x70 [ 448.705918] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.710935] ? zap_class+0x640/0x640 [ 448.714655] ? enqueue_hrtimer+0x1a5/0x560 [ 448.718891] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.724086] ? find_held_lock+0x36/0x1c0 [ 448.728152] ? zap_class+0x640/0x640 [ 448.731871] ? pvclock_read_flags+0x160/0x160 [ 448.736385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.741951] ? check_preemption_disabled+0x48/0x280 [ 448.746997] ? __lock_is_held+0xb5/0x140 [ 448.751060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.756602] ? check_preemption_disabled+0x48/0x280 [ 448.761627] run_timer_softirq+0x52/0xb0 [ 448.765691] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.770710] __do_softirq+0x308/0xb7e [ 448.774517] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.779013] ? lock_downgrade+0x900/0x900 [ 448.783166] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.788319] ? pvclock_read_flags+0x160/0x160 [ 448.792822] ? lapic_next_event+0x5a/0x90 [ 448.796972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.802519] ? kvm_clock_read+0x18/0x30 [ 448.806496] ? kvm_sched_clock_read+0x9/0x20 [ 448.810911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.816451] ? check_preemption_disabled+0x48/0x280 [ 448.821479] irq_exit+0x17f/0x1c0 [ 448.824935] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.829781] ? smp_reschedule_interrupt+0x109/0x650 [ 448.834798] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.840683] ? interrupt_entry+0xb5/0xc0 [ 448.844745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.849777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.854809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.859657] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.864677] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.869693] ? task_prio+0x50/0x50 [ 448.873238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.878779] ? check_preemption_disabled+0x48/0x280 [ 448.883800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.888655] apic_timer_interrupt+0xf/0x20 [ 448.892883] [ 448.895122] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 448.900050] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 448.918949] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 448.926654] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 448.933924] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 448.941195] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 448.948462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 448.955729] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 448.963037] skb_clone+0x1bb/0x500 [ 448.966581] ? skb_split+0x11e0/0x11e0 [ 448.970478] ? preempt_notifier_register+0x200/0x200 [ 448.975579] ? __switch_to_asm+0x34/0x70 [ 448.979642] ? __switch_to_asm+0x34/0x70 [ 448.983701] ? __switch_to_asm+0x40/0x70 [ 448.987761] ? __switch_to_asm+0x34/0x70 [ 448.991818] ? __switch_to_asm+0x40/0x70 [ 448.995883] ? __switch_to_asm+0x40/0x70 [ 448.999941] ? __switch_to_asm+0x34/0x70 [ 449.004005] ? __switch_to_asm+0x34/0x70 [ 449.008075] ? __switch_to_asm+0x40/0x70 [ 449.012142] ? __switch_to_asm+0x34/0x70 [ 449.016228] bpf_clone_redirect+0xb9/0x490 [ 449.020475] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 449.025500] ? __sched_text_start+0x8/0x8 [ 449.029648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 449.034430] ? find_held_lock+0x36/0x1c0 [ 449.038504] ? lock_acquire+0x1ed/0x520 [ 449.042482] ? bpf_test_run+0x3ee/0x7a0 [ 449.046455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.052008] ? check_preemption_disabled+0x48/0x280 [ 449.057030] ? kasan_check_read+0x11/0x20 [ 449.061696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.066972] ? rcu_softirq_qs+0x20/0x20 [ 449.070949] ? preempt_schedule+0x4d/0x60 [ 449.075101] ? ___preempt_schedule+0x16/0x18 [ 449.079536] ? bpf_test_run+0x271/0x7a0 [ 449.083523] ? netlink_diag_dump+0x2a0/0x2a0 [ 449.087937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.093480] ? bpf_test_init.isra.10+0x70/0x100 [ 449.098153] ? bpf_prog_test_run_skb+0x762/0xd60 [ 449.102916] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 449.107768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 449.113309] ? fput+0x130/0x1a0 [ 449.116593] ? __bpf_prog_get+0x9b/0x290 [ 449.120664] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 449.125507] ? bpf_prog_test_run+0x130/0x1a0 [ 449.129918] ? __x64_sys_bpf+0x3d8/0x520 [ 449.133985] ? bpf_prog_get+0x20/0x20 [ 449.137893] ? do_syscall_64+0x1b9/0x820 [ 449.141997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 449.147368] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.152342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.157200] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.162247] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 449.167264] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.172287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.177139] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 449.182521] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 449.182684] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.189455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.199948] syz-executor2 cpuset=syz2 mems_allowed=0 [ 449.209303] Call Trace: [ 449.217021] dump_stack+0x244/0x39d [ 449.220657] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.225863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.231430] warn_alloc.cold.116+0xb7/0x1bd [ 449.235753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.240600] ? lock_downgrade+0x900/0x900 [ 449.244757] ? trace_hardirqs_off+0xb8/0x310 [ 449.249202] ? trace_hardirqs_off+0xb8/0x310 [ 449.253619] __alloc_pages_slowpath+0x2651/0x2de0 [ 449.258496] ? warn_alloc+0x120/0x120 [ 449.262303] ? warn_alloc+0x120/0x120 [ 449.266122] ? warn_alloc+0x120/0x120 [ 449.269930] ? print_usage_bug+0xc0/0xc0 [ 449.273996] ? print_usage_bug+0xc0/0xc0 [ 449.278060] ? mark_held_locks+0x130/0x130 [ 449.282300] ? mark_held_locks+0x130/0x130 [ 449.286539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.292093] ? should_fail+0x22d/0xd01 [ 449.295984] ? zap_class+0x640/0x640 [ 449.299701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.304807] ? __lock_acquire+0x62f/0x4c20 [ 449.309048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.314150] ? __lock_acquire+0x62f/0x4c20 [ 449.318403] ? should_fail+0x22d/0xd01 [ 449.322319] ? mark_held_locks+0x130/0x130 [ 449.326559] ? mark_held_locks+0x130/0x130 [ 449.330795] ? lock_downgrade+0x900/0x900 [ 449.334963] ? zap_class+0x640/0x640 [ 449.338679] ? zap_class+0x640/0x640 [ 449.342405] ? zap_class+0x640/0x640 [ 449.346116] ? do_raw_spin_unlock+0xa7/0x330 [ 449.350527] ? trace_hardirqs_on+0x310/0x310 [ 449.354940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.360477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.366012] ? check_preemption_disabled+0x48/0x280 [ 449.371035] ? __lock_is_held+0xb5/0x140 [ 449.375101] __alloc_pages_nodemask+0xad8/0xea0 [ 449.379771] ? zap_class+0x640/0x640 [ 449.383495] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 449.388542] ? find_held_lock+0x36/0x1c0 [ 449.392614] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.397283] ? lock_downgrade+0x900/0x900 [ 449.401460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.407006] cache_grow_begin+0xa5/0x8c0 [ 449.411069] ? do_raw_spin_unlock+0xa7/0x330 [ 449.415499] fallback_alloc+0x204/0x2e0 [ 449.419501] ____cache_alloc_node+0x1c7/0x1e0 [ 449.424008] kmem_cache_alloc_node+0xe3/0x730 [ 449.428509] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.433103] __alloc_skb+0x119/0x770 [ 449.436816] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 449.442184] ? netdev_alloc_frag+0x1f0/0x1f0 [ 449.446617] ? vprintk_default+0x28/0x30 [ 449.450678] ? vprintk_func+0x85/0x181 [ 449.454570] ? printk+0xa7/0xcf [ 449.457869] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 449.462637] new_skb+0x26/0x1c0 [ 449.465925] aoecmd_cfg+0x279/0x7f0 [ 449.469554] ? find_held_lock+0x36/0x1c0 [ 449.473623] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 449.477953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.483504] ? __lock_is_held+0xb5/0x140 [ 449.487582] discover_timer+0x50/0x60 [ 449.491382] call_timer_fn+0x272/0x920 [ 449.495276] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.500120] ? process_timeout+0x40/0x40 [ 449.504191] ? __run_timers+0x7da/0xc70 [ 449.508169] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.512664] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.517162] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.522009] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.526596] ? trace_hardirqs_on+0xbd/0x310 [ 449.530927] ? kasan_check_read+0x11/0x20 [ 449.535078] ? __run_timers+0x7da/0xc70 [ 449.539053] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.544174] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.549015] __run_timers+0x7e5/0xc70 [ 449.552829] ? timer_fixup_init+0x70/0x70 [ 449.556981] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.561475] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.565972] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 449.570557] ? trace_hardirqs_on+0xbd/0x310 [ 449.574878] ? kasan_check_read+0x11/0x20 [ 449.579029] ? finish_task_switch+0x1f4/0x910 [ 449.583527] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.588632] ? compat_start_thread+0x80/0x80 [ 449.593068] ? pvclock_read_flags+0x160/0x160 [ 449.597561] ? __switch_to_asm+0x34/0x70 [ 449.601627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.607173] ? check_preemption_disabled+0x48/0x280 [ 449.612203] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 449.617744] ? rcu_pm_notify+0xc0/0xc0 [ 449.621637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.627177] ? check_preemption_disabled+0x48/0x280 [ 449.632199] run_timer_softirq+0x52/0xb0 [ 449.636261] ? rcu_read_lock_sched_held+0x14f/0x180 [ 449.641282] __do_softirq+0x308/0xb7e [ 449.645085] ? retint_kernel+0x2d/0x2d [ 449.648979] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 449.654083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.659550] ? retint_kernel+0x2d/0x2d [ 449.663445] ? schedule+0x108/0x460 [ 449.667087] ? trace_hardirqs_off+0xb8/0x310 [ 449.671501] ? smpboot_thread_fn+0x68b/0xa00 [ 449.675957] ? trace_hardirqs_on+0x310/0x310 [ 449.680381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.685935] ? check_preemption_disabled+0x48/0x280 [ 449.690959] ? takeover_tasklets+0xa90/0xa90 [ 449.695383] run_ksoftirqd+0x5e/0x100 [ 449.699194] smpboot_thread_fn+0x68b/0xa00 [ 449.703437] ? sort_range+0x30/0x30 [ 449.707079] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.712183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.717725] ? __kthread_parkme+0xfb/0x1a0 [ 449.721963] ? sort_range+0x30/0x30 [ 449.725592] kthread+0x35a/0x440 [ 449.728964] ? kthread_stop+0x900/0x900 [ 449.732946] ret_from_fork+0x3a/0x50 [ 449.736690] warn_alloc_show_mem: 1 callbacks suppressed [ 449.736702] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 449.736704] Mem-Info: [ 449.736737] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 449.736737] active_file:133 inactive_file:117 isolated_file:0 [ 449.736737] unevictable:0 dirty:3 writeback:0 unstable:0 [ 449.736737] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 449.736737] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 449.736737] free:13727 free_pcp:164 free_cma:0 [ 449.742086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.749481] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 449.751883] Call Trace: [ 449.785093] 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 [ 449.794443] [ 449.822182] lowmem_reserve[]: 0 2818 6321 6321 [ 449.824768] dump_stack+0x244/0x39d [ 449.850850] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 449.852998] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.857557] lowmem_reserve[]: 0 0 3503 3503 [ 449.861183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.888741] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 449.893944] warn_alloc.cold.116+0xb7/0x1bd [ 449.898239] lowmem_reserve[]: 0 0 0 0 [ 449.903775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.932981] 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 [ 449.937299] ? lock_downgrade+0x900/0x900 [ 449.941077] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 449.945915] ? trace_hardirqs_off+0xb8/0x310 [ 449.959427] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 449.963573] ? trace_hardirqs_off+0xb8/0x310 [ 449.978903] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.983306] __alloc_pages_slowpath+0x2651/0x2de0 [ 449.996805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 450.001253] ? warn_alloc+0x120/0x120 [ 450.010040] 2220 total pagecache pages [ 450.014878] ? warn_alloc+0x120/0x120 [ 450.023432] 0 pages in swap cache [ 450.027225] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.031089] Swap cache stats: add 0, delete 0, find 0/0 [ 450.034877] ? warn_alloc+0x120/0x120 [ 450.038308] Free swap = 0kB [ 450.043318] ? print_usage_bug+0xc0/0xc0 [ 450.048662] Total swap = 0kB [ 450.052454] ? print_usage_bug+0xc0/0xc0 [ 450.055455] 1965979 pages RAM [ 450.059523] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.062551] 0 pages HighMem/MovableOnly [ 450.066612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.069682] 342854 pages reserved [ 450.069691] 0 pages cma reserved [ 450.074872] ? should_fail+0x22d/0xd01 [ 450.078884] aoe: skb alloc failure [ 450.084348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.084364] ? __lock_acquire+0x62f/0x4c20 [ 450.084381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.087874] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.091184] ? should_fail+0x22d/0xd01 [ 450.095047] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 450.098587] ? mark_held_locks+0x130/0x130 [ 450.136048] ? mark_held_locks+0x130/0x130 [ 450.140282] ? print_usage_bug+0xc0/0xc0 [ 450.144350] ? find_held_lock+0x36/0x1c0 [ 450.148439] ? zap_class+0x640/0x640 [ 450.152173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.157716] ? check_preemption_disabled+0x48/0x280 [ 450.162743] ? __lock_is_held+0xb5/0x140 [ 450.166809] __alloc_pages_nodemask+0xad8/0xea0 [ 450.171479] ? zap_class+0x640/0x640 [ 450.175200] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 450.180233] ? find_held_lock+0x36/0x1c0 [ 450.184307] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.188992] ? lock_downgrade+0x900/0x900 [ 450.193253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.198799] cache_grow_begin+0xa5/0x8c0 [ 450.202862] ? do_raw_spin_unlock+0xa7/0x330 [ 450.207283] fallback_alloc+0x204/0x2e0 [ 450.211278] ____cache_alloc_node+0x1c7/0x1e0 [ 450.215792] kmem_cache_alloc_node+0xe3/0x730 [ 450.220286] ? mark_held_locks+0xc7/0x130 [ 450.224452] __alloc_skb+0x119/0x770 [ 450.228175] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.232615] ? do_raw_spin_trylock+0x270/0x270 [ 450.237197] ? kmem_cache_alloc_trace+0x353/0x750 [ 450.242059] ? queue_work_on+0x12c/0x1e0 [ 450.246131] ? switchdev_port_obj_del+0xdc/0x440 [ 450.250890] ? switchdev_trans_item_enqueue+0x260/0x260 [ 450.256287] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.261312] __br_mdb_notify+0x4ff/0x15d0 [ 450.265473] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 450.270604] ? __br_mdb_add+0x7f0/0x7f0 [ 450.274583] ? mark_held_locks+0x130/0x130 [ 450.278822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.283928] ? debug_object_assert_init+0x368/0x4b0 [ 450.288953] ? debug_object_init_on_stack+0x20/0x20 [ 450.293972] ? zap_class+0x640/0x640 [ 450.297691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.303235] br_mdb_notify+0x310/0x410 [ 450.307133] ? br_mdb_dump+0x27b0/0x27b0 [ 450.311222] br_multicast_del_pg+0x3df/0x790 [ 450.315634] ? br_mdb_ip_get+0x940/0x940 [ 450.319698] ? rwlock_bug.part.2+0x90/0x90 [ 450.323971] ? __lock_is_held+0xb5/0x140 [ 450.328044] br_multicast_port_group_expired+0x189/0x1e0 [ 450.333497] call_timer_fn+0x272/0x920 [ 450.337385] ? br_multicast_del_pg+0x790/0x790 [ 450.341978] ? process_timeout+0x40/0x40 [ 450.346047] ? __run_timers+0x7da/0xc70 [ 450.350027] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.354521] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.359018] ? br_multicast_del_pg+0x790/0x790 [ 450.363600] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.368182] ? trace_hardirqs_on+0xbd/0x310 [ 450.372512] ? kasan_check_read+0x11/0x20 [ 450.376662] ? __run_timers+0x7da/0xc70 [ 450.380639] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.385749] ? br_multicast_del_pg+0x790/0x790 [ 450.390338] ? br_multicast_del_pg+0x790/0x790 [ 450.394919] __run_timers+0x7e5/0xc70 [ 450.398733] ? timer_fixup_init+0x70/0x70 [ 450.402882] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.407902] ? zap_class+0x640/0x640 [ 450.411620] ? enqueue_hrtimer+0x1a5/0x560 [ 450.415857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.421058] ? find_held_lock+0x36/0x1c0 [ 450.425126] ? zap_class+0x640/0x640 [ 450.428846] ? pvclock_read_flags+0x160/0x160 [ 450.433344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.438897] ? check_preemption_disabled+0x48/0x280 [ 450.443964] ? __lock_is_held+0xb5/0x140 [ 450.448024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.453562] ? check_preemption_disabled+0x48/0x280 [ 450.458583] run_timer_softirq+0x52/0xb0 [ 450.462647] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.467667] __do_softirq+0x308/0xb7e [ 450.471474] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.475972] ? lock_downgrade+0x900/0x900 [ 450.480128] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.485239] ? pvclock_read_flags+0x160/0x160 [ 450.489736] ? lapic_next_event+0x5a/0x90 [ 450.493905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.499450] ? kvm_clock_read+0x18/0x30 [ 450.503434] ? kvm_sched_clock_read+0x9/0x20 [ 450.507846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.513387] ? check_preemption_disabled+0x48/0x280 [ 450.518442] irq_exit+0x17f/0x1c0 [ 450.521905] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.526761] ? smp_reschedule_interrupt+0x109/0x650 [ 450.531780] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.537662] ? interrupt_entry+0xb5/0xc0 [ 450.541729] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.546743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.551763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.556610] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.561629] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.566648] ? task_prio+0x50/0x50 [ 450.570189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.575741] ? check_preemption_disabled+0x48/0x280 [ 450.580810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.585677] apic_timer_interrupt+0xf/0x20 [ 450.589902] [ 450.592143] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.597076] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 450.615989] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 450.623698] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.630966] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 450.638245] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 450.645511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.652777] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 450.660110] skb_clone+0x1bb/0x500 [ 450.663686] ? skb_split+0x11e0/0x11e0 [ 450.667607] ? preempt_notifier_register+0x200/0x200 [ 450.672710] ? __switch_to_asm+0x34/0x70 [ 450.676786] ? __switch_to_asm+0x34/0x70 [ 450.680845] ? __switch_to_asm+0x40/0x70 [ 450.684907] ? __switch_to_asm+0x34/0x70 [ 450.688965] ? __switch_to_asm+0x40/0x70 [ 450.693027] ? __switch_to_asm+0x40/0x70 [ 450.697106] ? __switch_to_asm+0x34/0x70 [ 450.701168] ? __switch_to_asm+0x34/0x70 [ 450.705233] ? __switch_to_asm+0x40/0x70 [ 450.709294] ? __switch_to_asm+0x34/0x70 [ 450.713356] bpf_clone_redirect+0xb9/0x490 [ 450.717598] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 450.722621] ? __sched_text_start+0x8/0x8 [ 450.726769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.731538] ? find_held_lock+0x36/0x1c0 [ 450.735612] ? lock_acquire+0x1ed/0x520 [ 450.739589] ? bpf_test_run+0x3ee/0x7a0 [ 450.743567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.749105] ? check_preemption_disabled+0x48/0x280 [ 450.754126] ? kasan_check_read+0x11/0x20 [ 450.758277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.763554] ? rcu_softirq_qs+0x20/0x20 [ 450.767533] ? preempt_schedule+0x4d/0x60 [ 450.771683] ? ___preempt_schedule+0x16/0x18 [ 450.776116] ? bpf_test_run+0x271/0x7a0 [ 450.780101] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.784512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.790050] ? bpf_test_init.isra.10+0x70/0x100 [ 450.794728] ? bpf_prog_test_run_skb+0x762/0xd60 [ 450.799496] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.804347] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.809883] ? fput+0x130/0x1a0 [ 450.813167] ? __bpf_prog_get+0x9b/0x290 [ 450.817232] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.822107] ? bpf_prog_test_run+0x130/0x1a0 [ 450.826517] ? __x64_sys_bpf+0x3d8/0x520 [ 450.830577] ? bpf_prog_get+0x20/0x20 [ 450.834405] ? do_syscall_64+0x1b9/0x820 [ 450.838477] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.843860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.848793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.853642] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.858663] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.863695] ? prepare_exit_to_usermode+0x291/0x3b0 [ 450.868723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.873585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.878968] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 450.879152] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.885902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.896369] syz-executor2 cpuset=syz2 mems_allowed=0 [ 450.905710] Call Trace: [ 450.913418] dump_stack+0x244/0x39d [ 450.917082] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.922276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.927826] warn_alloc.cold.116+0xb7/0x1bd [ 450.932146] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.937006] ? lock_downgrade+0x900/0x900 [ 450.941166] ? trace_hardirqs_off+0xb8/0x310 [ 450.945582] ? trace_hardirqs_off+0xb8/0x310 [ 450.950000] __alloc_pages_slowpath+0x2651/0x2de0 [ 450.954872] ? warn_alloc+0x120/0x120 [ 450.958674] ? warn_alloc+0x120/0x120 [ 450.962481] ? warn_alloc+0x120/0x120 [ 450.966291] ? warn_alloc+0x120/0x120 [ 450.970089] ? mark_held_locks+0x130/0x130 [ 450.974323] ? print_usage_bug+0xc0/0xc0 [ 450.978384] ? mark_held_locks+0x130/0x130 [ 450.982631] ? print_usage_bug+0xc0/0xc0 [ 450.986693] ? zap_class+0x640/0x640 [ 450.990419] ? put_dec+0x3b/0xf0 [ 450.993822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.999372] ? should_fail+0x22d/0xd01 [ 451.003272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.008377] ? __lock_acquire+0x62f/0x4c20 [ 451.012626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.017732] ? __lock_acquire+0x62f/0x4c20 [ 451.021976] ? should_fail+0x22d/0xd01 [ 451.025901] ? mark_held_locks+0x130/0x130 [ 451.030146] ? mark_held_locks+0x130/0x130 [ 451.034388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.039961] ? wq_watchdog_touch+0x9c/0xfe [ 451.044201] ? zap_class+0x640/0x640 [ 451.047922] ? print_usage_bug+0xc0/0xc0 [ 451.051984] ? find_held_lock+0x36/0x1c0 [ 451.056059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.061759] ? check_preemption_disabled+0x48/0x280 [ 451.066784] ? __lock_is_held+0xb5/0x140 [ 451.070853] __alloc_pages_nodemask+0xad8/0xea0 [ 451.075523] ? zap_class+0x640/0x640 [ 451.079248] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 451.084276] ? find_held_lock+0x36/0x1c0 [ 451.088350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 451.093024] ? lock_downgrade+0x900/0x900 [ 451.097178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.102723] cache_grow_begin+0xa5/0x8c0 [ 451.106798] ? do_raw_spin_unlock+0xa7/0x330 [ 451.111214] fallback_alloc+0x204/0x2e0 [ 451.115196] ____cache_alloc_node+0x1c7/0x1e0 [ 451.119699] kmem_cache_alloc_node+0xe3/0x730 [ 451.124197] ? ipv6_get_ifaddr+0x42e/0x620 [ 451.128440] __alloc_skb+0x119/0x770 [ 451.132167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.137446] ? netdev_alloc_frag+0x1f0/0x1f0 [ 451.141860] ? lock_downgrade+0x900/0x900 [ 451.146015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.151555] ? refcount_sub_and_test_checked+0x203/0x310 [ 451.157022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 451.162474] ? addrconf_rs_timer+0x690/0x690 [ 451.166900] ndisc_alloc_skb+0x144/0x340 [ 451.170968] ndisc_send_rs+0x331/0x6e0 [ 451.174863] addrconf_rs_timer+0x314/0x690 [ 451.179119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.183368] call_timer_fn+0x272/0x920 [ 451.187264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.191502] ? process_timeout+0x40/0x40 [ 451.195573] ? __run_timers+0x7da/0xc70 [ 451.199547] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.204040] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.208537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.212775] ? lockdep_hardirqs_on+0x296/0x5b0 [ 451.217361] ? trace_hardirqs_on+0xbd/0x310 [ 451.221695] ? kasan_check_read+0x11/0x20 [ 451.225846] ? __run_timers+0x7da/0xc70 [ 451.229826] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.234940] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 451.239792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 451.244023] __run_timers+0x7e5/0xc70 [ 451.247833] ? timer_fixup_init+0x70/0x70 [ 451.251986] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.256480] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.260977] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 451.265559] ? trace_hardirqs_on+0xbd/0x310 [ 451.269883] ? kasan_check_read+0x11/0x20 [ 451.274037] ? finish_task_switch+0x1f4/0x910 [ 451.278535] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.283641] ? compat_start_thread+0x80/0x80 [ 451.288074] ? pvclock_read_flags+0x160/0x160 [ 451.292569] ? __switch_to_asm+0x34/0x70 [ 451.296631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.302170] ? check_preemption_disabled+0x48/0x280 [ 451.307200] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 451.312739] ? rcu_pm_notify+0xc0/0xc0 [ 451.316632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.322175] ? check_preemption_disabled+0x48/0x280 [ 451.327200] run_timer_softirq+0x52/0xb0 [ 451.331271] ? rcu_read_lock_sched_held+0x14f/0x180 [ 451.336293] __do_softirq+0x308/0xb7e [ 451.340101] ? retint_kernel+0x2d/0x2d [ 451.343999] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 451.349106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.354555] ? retint_kernel+0x2d/0x2d [ 451.358453] ? schedule+0x108/0x460 [ 451.362093] ? trace_hardirqs_off+0xb8/0x310 [ 451.366506] ? smpboot_thread_fn+0x68b/0xa00 [ 451.370922] ? trace_hardirqs_on+0x310/0x310 [ 451.375335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.380874] ? check_preemption_disabled+0x48/0x280 [ 451.385901] ? takeover_tasklets+0xa90/0xa90 [ 451.390319] run_ksoftirqd+0x5e/0x100 [ 451.394122] smpboot_thread_fn+0x68b/0xa00 [ 451.398361] ? sort_range+0x30/0x30 [ 451.401998] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.407100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.412641] ? __kthread_parkme+0xfb/0x1a0 [ 451.416883] ? sort_range+0x30/0x30 [ 451.420515] kthread+0x35a/0x440 [ 451.423883] ? kthread_stop+0x900/0x900 [ 451.427858] ret_from_fork+0x3a/0x50 [ 451.431585] warn_alloc_show_mem: 1 callbacks suppressed [ 451.431598] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 451.431599] Mem-Info: [ 451.431632] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 451.431632] active_file:133 inactive_file:117 isolated_file:0 [ 451.431632] unevictable:0 dirty:3 writeback:0 unstable:0 [ 451.431632] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 451.431632] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 451.431632] free:13727 free_pcp:164 free_cma:0 [ 451.436970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.444337] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 451.446734] Call Trace: [ 451.479943] 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 [ 451.489314] [ 451.517047] lowmem_reserve[]: 0 2818 6321 6321 [ 451.519633] dump_stack+0x244/0x39d [ 451.545730] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 451.547879] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.552437] lowmem_reserve[]: 0 0 3503 3503 [ 451.556058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.583615] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 451.588806] warn_alloc.cold.116+0xb7/0x1bd [ 451.593100] lowmem_reserve[]: 0 0 0 0 [ 451.598631] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 451.627842] 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 [ 451.632158] ? lock_downgrade+0x900/0x900 [ 451.635934] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 451.640774] ? trace_hardirqs_off+0xb8/0x310 [ 451.654269] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 451.658423] ? trace_hardirqs_off+0xb8/0x310 [ 451.673750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 451.678160] __alloc_pages_slowpath+0x2651/0x2de0 [ 451.691659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 451.696076] ? warn_alloc+0x120/0x120 [ 451.704865] 2220 total pagecache pages [ 451.709718] ? warn_alloc+0x120/0x120 [ 451.718275] 0 pages in swap cache [ 451.722064] ? warn_alloc+0x120/0x120 [ 451.725937] Swap cache stats: add 0, delete 0, find 0/0 [ 451.729726] ? print_usage_bug+0xc0/0xc0 [ 451.733154] Free swap = 0kB [ 451.736956] ? print_usage_bug+0xc0/0xc0 [ 451.742318] Total swap = 0kB [ 451.746372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.749358] 1965979 pages RAM [ 451.753429] ? should_fail+0x22d/0xd01 [ 451.756420] 0 pages HighMem/MovableOnly [ 451.756431] 342854 pages reserved [ 451.761978] ? zap_class+0x640/0x640 [ 451.765060] 0 pages cma reserved [ 451.768956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.773025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 451.776380] ? __lock_acquire+0x62f/0x4c20 [ 451.780156] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 451.783444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.788526] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 451.795013] ? should_fail+0x22d/0xd01 [ 451.823215] ? mark_held_locks+0x130/0x130 [ 451.827458] ? mark_held_locks+0x130/0x130 [ 451.831695] ? print_usage_bug+0xc0/0xc0 [ 451.835763] ? find_held_lock+0x36/0x1c0 [ 451.839856] ? zap_class+0x640/0x640 [ 451.843604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.849143] ? check_preemption_disabled+0x48/0x280 [ 451.854169] ? __lock_is_held+0xb5/0x140 [ 451.858233] __alloc_pages_nodemask+0xad8/0xea0 [ 451.862918] ? zap_class+0x640/0x640 [ 451.866636] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 451.871668] ? find_held_lock+0x36/0x1c0 [ 451.875743] ? ____cache_alloc_node+0x1c7/0x1e0 [ 451.880429] ? lock_downgrade+0x900/0x900 [ 451.884590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.890138] cache_grow_begin+0xa5/0x8c0 [ 451.894197] ? do_raw_spin_unlock+0xa7/0x330 [ 451.898614] fallback_alloc+0x204/0x2e0 [ 451.902592] ____cache_alloc_node+0x1c7/0x1e0 [ 451.907095] kmem_cache_alloc_node+0xe3/0x730 [ 451.911592] ? mark_held_locks+0xc7/0x130 [ 451.915766] __alloc_skb+0x119/0x770 [ 451.919491] ? netdev_alloc_frag+0x1f0/0x1f0 [ 451.923900] ? do_raw_spin_trylock+0x270/0x270 [ 451.928502] ? kmem_cache_alloc_trace+0x353/0x750 [ 451.933348] ? queue_work_on+0x12c/0x1e0 [ 451.937434] ? switchdev_port_obj_del+0xdc/0x440 [ 451.942196] ? switchdev_trans_item_enqueue+0x260/0x260 [ 451.947580] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 451.952620] __br_mdb_notify+0x4ff/0x15d0 [ 451.956769] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.961885] ? __br_mdb_add+0x7f0/0x7f0 [ 451.965866] ? mark_held_locks+0x130/0x130 [ 451.970108] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.975217] ? debug_object_assert_init+0x368/0x4b0 [ 451.980240] ? debug_object_init_on_stack+0x20/0x20 [ 451.985257] ? zap_class+0x640/0x640 [ 451.988974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.994516] br_mdb_notify+0x310/0x410 [ 451.998424] ? br_mdb_dump+0x27b0/0x27b0 [ 452.002503] br_multicast_del_pg+0x3df/0x790 [ 452.006925] ? br_mdb_ip_get+0x940/0x940 [ 452.010989] ? rwlock_bug.part.2+0x90/0x90 [ 452.015246] ? __lock_is_held+0xb5/0x140 [ 452.019343] br_multicast_port_group_expired+0x189/0x1e0 [ 452.024798] call_timer_fn+0x272/0x920 [ 452.028686] ? br_multicast_del_pg+0x790/0x790 [ 452.033266] ? process_timeout+0x40/0x40 [ 452.037339] ? __run_timers+0x7da/0xc70 [ 452.041317] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.045813] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.050320] ? br_multicast_del_pg+0x790/0x790 [ 452.054901] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.059487] ? trace_hardirqs_on+0xbd/0x310 [ 452.063811] ? kasan_check_read+0x11/0x20 [ 452.067961] ? __run_timers+0x7da/0xc70 [ 452.071938] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.077063] ? br_multicast_del_pg+0x790/0x790 [ 452.081669] ? br_multicast_del_pg+0x790/0x790 [ 452.086252] __run_timers+0x7e5/0xc70 [ 452.090059] ? timer_fixup_init+0x70/0x70 [ 452.094237] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.099269] ? zap_class+0x640/0x640 [ 452.102987] ? enqueue_hrtimer+0x1a5/0x560 [ 452.107228] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 452.112441] ? find_held_lock+0x36/0x1c0 [ 452.116514] ? zap_class+0x640/0x640 [ 452.120233] ? pvclock_read_flags+0x160/0x160 [ 452.124734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.130271] ? check_preemption_disabled+0x48/0x280 [ 452.135296] ? __lock_is_held+0xb5/0x140 [ 452.139360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.144907] ? check_preemption_disabled+0x48/0x280 [ 452.149931] run_timer_softirq+0x52/0xb0 [ 452.153995] ? rcu_read_lock_sched_held+0x14f/0x180 [ 452.159012] __do_softirq+0x308/0xb7e [ 452.162818] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 452.167313] ? lock_downgrade+0x900/0x900 [ 452.171468] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 452.176611] ? pvclock_read_flags+0x160/0x160 [ 452.181112] ? lapic_next_event+0x5a/0x90 [ 452.185264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.190809] ? kvm_clock_read+0x18/0x30 [ 452.194939] ? kvm_sched_clock_read+0x9/0x20 [ 452.199355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.204889] ? check_preemption_disabled+0x48/0x280 [ 452.209929] irq_exit+0x17f/0x1c0 [ 452.213385] smp_apic_timer_interrupt+0x1cb/0x760 [ 452.218242] ? smp_reschedule_interrupt+0x109/0x650 [ 452.223271] ? smp_call_function_single_interrupt+0x650/0x650 [ 452.229158] ? interrupt_entry+0xb5/0xc0 [ 452.233220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.238236] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.243296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.248144] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.253161] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.258179] ? task_prio+0x50/0x50 [ 452.261723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.267261] ? check_preemption_disabled+0x48/0x280 [ 452.272292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.277138] apic_timer_interrupt+0xf/0x20 [ 452.281364] [ 452.283610] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 452.288541] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 452.307444] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 452.315150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 452.322428] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 452.329695] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 452.336966] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 452.344231] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 452.351539] skb_clone+0x1bb/0x500 [ 452.355097] ? skb_split+0x11e0/0x11e0 [ 452.358989] ? preempt_notifier_register+0x200/0x200 [ 452.364089] ? __switch_to_asm+0x34/0x70 [ 452.368149] ? __switch_to_asm+0x34/0x70 [ 452.372207] ? __switch_to_asm+0x40/0x70 [ 452.376280] ? __switch_to_asm+0x34/0x70 [ 452.380335] ? __switch_to_asm+0x40/0x70 [ 452.384392] ? __switch_to_asm+0x40/0x70 [ 452.388484] ? __switch_to_asm+0x34/0x70 [ 452.392556] ? __switch_to_asm+0x34/0x70 [ 452.396658] ? __switch_to_asm+0x40/0x70 [ 452.400729] ? __switch_to_asm+0x34/0x70 [ 452.404794] bpf_clone_redirect+0xb9/0x490 [ 452.409041] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 452.414064] ? __sched_text_start+0x8/0x8 [ 452.418212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 452.422983] ? find_held_lock+0x36/0x1c0 [ 452.427053] ? lock_acquire+0x1ed/0x520 [ 452.431029] ? bpf_test_run+0x3ee/0x7a0 [ 452.435007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.440545] ? check_preemption_disabled+0x48/0x280 [ 452.445570] ? kasan_check_read+0x11/0x20 [ 452.449716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.454993] ? rcu_softirq_qs+0x20/0x20 [ 452.458969] ? preempt_schedule+0x4d/0x60 [ 452.463122] ? ___preempt_schedule+0x16/0x18 [ 452.467542] ? bpf_test_run+0x271/0x7a0 [ 452.471528] ? netlink_diag_dump+0x2a0/0x2a0 [ 452.475942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.481506] ? bpf_test_init.isra.10+0x70/0x100 [ 452.486199] ? bpf_prog_test_run_skb+0x762/0xd60 [ 452.490970] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 452.495820] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 452.501358] ? fput+0x130/0x1a0 [ 452.504645] ? __bpf_prog_get+0x9b/0x290 [ 452.508710] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 452.513554] ? bpf_prog_test_run+0x130/0x1a0 [ 452.517964] ? __x64_sys_bpf+0x3d8/0x520 [ 452.522027] ? bpf_prog_get+0x20/0x20 [ 452.525847] ? do_syscall_64+0x1b9/0x820 [ 452.529908] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 452.535279] ? syscall_return_slowpath+0x5e0/0x5e0 [ 452.540211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.545071] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.550090] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 452.555108] ? prepare_exit_to_usermode+0x291/0x3b0 [ 452.560129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.564988] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 452.570425] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 452.570579] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.577375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.587864] syz-executor2 cpuset=syz2 mems_allowed=0 [ 452.597208] Call Trace: [ 452.604907] dump_stack+0x244/0x39d [ 452.608545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 452.613737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.619318] warn_alloc.cold.116+0xb7/0x1bd [ 452.623662] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.628514] ? lock_downgrade+0x900/0x900 [ 452.632677] ? trace_hardirqs_off+0xb8/0x310 [ 452.637094] ? trace_hardirqs_off+0xb8/0x310 [ 452.641514] __alloc_pages_slowpath+0x2651/0x2de0 [ 452.646390] ? warn_alloc+0x120/0x120 [ 452.650211] ? print_usage_bug+0xc0/0xc0 [ 452.654275] ? warn_alloc+0x120/0x120 [ 452.658107] ? warn_alloc+0x120/0x120 [ 452.661914] ? print_usage_bug+0xc0/0xc0 [ 452.665993] ? print_usage_bug+0xc0/0xc0 [ 452.670069] ? __lock_acquire+0x62f/0x4c20 [ 452.674306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.679867] ? should_fail+0x22d/0xd01 [ 452.683758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.688864] ? __lock_acquire+0x62f/0x4c20 [ 452.693107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.698211] ? __lock_acquire+0x62f/0x4c20 [ 452.702447] ? should_fail+0x22d/0xd01 [ 452.706333] ? find_held_lock+0x36/0x1c0 [ 452.710412] ? mark_held_locks+0x130/0x130 [ 452.714654] ? mark_held_locks+0x130/0x130 [ 452.718890] ? zap_class+0x640/0x640 [ 452.722614] ? mark_held_locks+0xc7/0x130 [ 452.726760] ? do_raw_spin_unlock+0xa7/0x330 [ 452.731170] ? zap_class+0x640/0x640 [ 452.734889] ? print_usage_bug+0xc0/0xc0 [ 452.738989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.744525] ? check_preemption_disabled+0x48/0x280 [ 452.749577] ? __lock_is_held+0xb5/0x140 [ 452.753645] __alloc_pages_nodemask+0xad8/0xea0 [ 452.758314] ? zap_class+0x640/0x640 [ 452.762034] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 452.767065] ? find_held_lock+0x36/0x1c0 [ 452.771151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.775839] ? lock_downgrade+0x900/0x900 [ 452.780010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.785553] cache_grow_begin+0xa5/0x8c0 [ 452.789612] ? do_raw_spin_unlock+0xa7/0x330 [ 452.794034] fallback_alloc+0x204/0x2e0 [ 452.798019] ____cache_alloc_node+0x1c7/0x1e0 [ 452.802549] kmem_cache_alloc_node+0xe3/0x730 [ 452.807059] ? ipv6_get_ifaddr+0x42e/0x620 [ 452.811305] __alloc_skb+0x119/0x770 [ 452.815038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.820317] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.824739] ? lock_downgrade+0x900/0x900 [ 452.828894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.834438] ? refcount_sub_and_test_checked+0x203/0x310 [ 452.839897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 452.845390] ? addrconf_rs_timer+0x690/0x690 [ 452.849823] ndisc_alloc_skb+0x144/0x340 [ 452.853907] ndisc_send_rs+0x331/0x6e0 [ 452.857805] addrconf_rs_timer+0x314/0x690 [ 452.862046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.866290] call_timer_fn+0x272/0x920 [ 452.870182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.874423] ? process_timeout+0x40/0x40 [ 452.878498] ? __run_timers+0x7da/0xc70 [ 452.882479] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.886976] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.891476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.895712] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.900296] ? trace_hardirqs_on+0xbd/0x310 [ 452.904616] ? kasan_check_read+0x11/0x20 [ 452.908768] ? __run_timers+0x7da/0xc70 [ 452.912748] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.917857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.922101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.926336] __run_timers+0x7e5/0xc70 [ 452.930150] ? timer_fixup_init+0x70/0x70 [ 452.934300] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.938795] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.943291] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 452.947870] ? trace_hardirqs_on+0xbd/0x310 [ 452.952204] ? kasan_check_read+0x11/0x20 [ 452.956365] ? finish_task_switch+0x1f4/0x910 [ 452.960871] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.965995] ? compat_start_thread+0x80/0x80 [ 452.970448] ? pvclock_read_flags+0x160/0x160 [ 452.974948] ? __switch_to_asm+0x34/0x70 [ 452.979017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.984557] ? check_preemption_disabled+0x48/0x280 [ 452.989585] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 452.995143] ? rcu_pm_notify+0xc0/0xc0 [ 452.999036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.004575] ? check_preemption_disabled+0x48/0x280 [ 453.009611] run_timer_softirq+0x52/0xb0 [ 453.013675] ? rcu_read_lock_sched_held+0x14f/0x180 [ 453.018706] __do_softirq+0x308/0xb7e [ 453.022513] ? retint_kernel+0x2d/0x2d [ 453.026413] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 453.031519] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 453.036967] ? retint_kernel+0x2d/0x2d [ 453.040859] ? schedule+0x108/0x460 [ 453.044496] ? trace_hardirqs_off+0xb8/0x310 [ 453.048925] ? smpboot_thread_fn+0x68b/0xa00 [ 453.053351] ? trace_hardirqs_on+0x310/0x310 [ 453.057763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.063444] ? check_preemption_disabled+0x48/0x280 [ 453.068465] ? takeover_tasklets+0xa90/0xa90 [ 453.072875] run_ksoftirqd+0x5e/0x100 [ 453.076677] smpboot_thread_fn+0x68b/0xa00 [ 453.080917] ? sort_range+0x30/0x30 [ 453.084555] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.089689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.095240] ? __kthread_parkme+0xfb/0x1a0 [ 453.099481] ? sort_range+0x30/0x30 [ 453.103107] kthread+0x35a/0x440 [ 453.106477] ? kthread_stop+0x900/0x900 [ 453.110458] ret_from_fork+0x3a/0x50 [ 453.114194] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 453.114199] warn_alloc_show_mem: 1 callbacks suppressed [ 453.114207] Mem-Info: [ 453.121564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.126933] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 453.126933] active_file:133 inactive_file:117 isolated_file:0 [ 453.126933] unevictable:0 dirty:3 writeback:0 unstable:0 [ 453.126933] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 453.126933] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 453.126933] free:13727 free_pcp:164 free_cma:0 [ 453.129302] Call Trace: [ 453.138709] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 453.171899] [ 453.174477] 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 [ 453.202243] dump_stack+0x244/0x39d [ 453.204367] lowmem_reserve[]: 0 2818 6321 6321 [ 453.230474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 453.234079] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 453.238659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.243825] lowmem_reserve[]: 0 0 3503 3503 [ 453.271438] warn_alloc.cold.116+0xb7/0x1bd [ 453.276944] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 453.281262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 453.285554] lowmem_reserve[]: 0 0 0 0 [ 453.314803] ? lock_downgrade+0x900/0x900 [ 453.319621] 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 [ 453.323434] ? trace_hardirqs_off+0xb8/0x310 [ 453.327550] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 453.341074] ? trace_hardirqs_off+0xb8/0x310 [ 453.345461] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 453.360817] __alloc_pages_slowpath+0x2651/0x2de0 [ 453.365202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 453.378734] ? warn_alloc+0x120/0x120 [ 453.383535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 453.392361] ? warn_alloc+0x120/0x120 [ 453.396136] 2220 total pagecache pages [ 453.404703] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.408482] 0 pages in swap cache [ 453.412355] ? warn_alloc+0x120/0x120 [ 453.417351] Swap cache stats: add 0, delete 0, find 0/0 [ 453.420798] ? print_usage_bug+0xc0/0xc0 [ 453.424574] Free swap = 0kB [ 453.429928] ? print_usage_bug+0xc0/0xc0 [ 453.433989] Total swap = 0kB [ 453.437006] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.441046] 1965979 pages RAM [ 453.444065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.449226] 0 pages HighMem/MovableOnly [ 453.452328] ? should_fail+0x22d/0xd01 [ 453.457837] 342854 pages reserved [ 453.461809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.465669] 0 pages cma reserved [ 453.469116] ? __lock_acquire+0x62f/0x4c20 [ 453.474264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 453.477551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.481850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 453.488265] ? should_fail+0x22d/0xd01 [ 453.493330] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 453.503649] ? mark_held_locks+0x130/0x130 [ 453.516412] ? mark_held_locks+0x130/0x130 [ 453.520657] ? print_usage_bug+0xc0/0xc0 [ 453.524727] ? find_held_lock+0x36/0x1c0 [ 453.528791] ? zap_class+0x640/0x640 [ 453.532515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.538056] ? check_preemption_disabled+0x48/0x280 [ 453.543083] ? __lock_is_held+0xb5/0x140 [ 453.547150] __alloc_pages_nodemask+0xad8/0xea0 [ 453.551820] ? zap_class+0x640/0x640 [ 453.555540] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 453.560572] ? find_held_lock+0x36/0x1c0 [ 453.564643] ? ____cache_alloc_node+0x1c7/0x1e0 [ 453.569314] ? lock_downgrade+0x900/0x900 [ 453.573471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.579016] cache_grow_begin+0xa5/0x8c0 [ 453.583081] ? do_raw_spin_unlock+0xa7/0x330 [ 453.587503] fallback_alloc+0x204/0x2e0 [ 453.591484] ____cache_alloc_node+0x1c7/0x1e0 [ 453.595989] kmem_cache_alloc_node+0xe3/0x730 [ 453.600486] ? mark_held_locks+0xc7/0x130 [ 453.604649] __alloc_skb+0x119/0x770 [ 453.608370] ? netdev_alloc_frag+0x1f0/0x1f0 [ 453.612788] ? do_raw_spin_trylock+0x270/0x270 [ 453.617370] ? kmem_cache_alloc_trace+0x353/0x750 [ 453.622222] ? queue_work_on+0x12c/0x1e0 [ 453.626297] ? switchdev_port_obj_del+0xdc/0x440 [ 453.631052] ? switchdev_trans_item_enqueue+0x260/0x260 [ 453.636431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 453.641488] __br_mdb_notify+0x4ff/0x15d0 [ 453.645636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.650751] ? __br_mdb_add+0x7f0/0x7f0 [ 453.654733] ? mark_held_locks+0x130/0x130 [ 453.658995] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.664100] ? debug_object_assert_init+0x368/0x4b0 [ 453.669121] ? debug_object_init_on_stack+0x20/0x20 [ 453.674134] ? zap_class+0x640/0x640 [ 453.677853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.683423] br_mdb_notify+0x310/0x410 [ 453.687311] ? br_mdb_dump+0x27b0/0x27b0 [ 453.691387] br_multicast_del_pg+0x3df/0x790 [ 453.695818] ? br_mdb_ip_get+0x940/0x940 [ 453.699882] ? rwlock_bug.part.2+0x90/0x90 [ 453.704124] ? __lock_is_held+0xb5/0x140 [ 453.708196] br_multicast_port_group_expired+0x189/0x1e0 [ 453.713650] call_timer_fn+0x272/0x920 [ 453.717543] ? br_multicast_del_pg+0x790/0x790 [ 453.722136] ? process_timeout+0x40/0x40 [ 453.726264] ? __run_timers+0x7da/0xc70 [ 453.730254] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.734749] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.739242] ? br_multicast_del_pg+0x790/0x790 [ 453.743854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 453.748454] ? trace_hardirqs_on+0xbd/0x310 [ 453.752797] ? kasan_check_read+0x11/0x20 [ 453.756944] ? __run_timers+0x7da/0xc70 [ 453.760941] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.766053] ? br_multicast_del_pg+0x790/0x790 [ 453.770642] ? br_multicast_del_pg+0x790/0x790 [ 453.775223] __run_timers+0x7e5/0xc70 [ 453.779038] ? timer_fixup_init+0x70/0x70 [ 453.783216] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.788231] ? zap_class+0x640/0x640 [ 453.791950] ? enqueue_hrtimer+0x1a5/0x560 [ 453.796191] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.801390] ? find_held_lock+0x36/0x1c0 [ 453.805472] ? zap_class+0x640/0x640 [ 453.809191] ? pvclock_read_flags+0x160/0x160 [ 453.813692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.819233] ? check_preemption_disabled+0x48/0x280 [ 453.824258] ? __lock_is_held+0xb5/0x140 [ 453.828327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.833871] ? check_preemption_disabled+0x48/0x280 [ 453.838895] run_timer_softirq+0x52/0xb0 [ 453.842959] ? rcu_read_lock_sched_held+0x14f/0x180 [ 453.847981] __do_softirq+0x308/0xb7e [ 453.851789] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 453.856283] ? lock_downgrade+0x900/0x900 [ 453.860441] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 453.865554] ? pvclock_read_flags+0x160/0x160 [ 453.870051] ? lapic_next_event+0x5a/0x90 [ 453.874204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.879746] ? kvm_clock_read+0x18/0x30 [ 453.883720] ? kvm_sched_clock_read+0x9/0x20 [ 453.888145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.893699] ? check_preemption_disabled+0x48/0x280 [ 453.898724] irq_exit+0x17f/0x1c0 [ 453.902196] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.907041] ? smp_reschedule_interrupt+0x109/0x650 [ 453.912061] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.917946] ? interrupt_entry+0xb5/0xc0 [ 453.922007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.927036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.932052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.936900] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.941912] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.946927] ? task_prio+0x50/0x50 [ 453.950474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.956013] ? check_preemption_disabled+0x48/0x280 [ 453.961034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.965901] apic_timer_interrupt+0xf/0x20 [ 453.970129] [ 453.972370] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 453.977311] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 453.996222] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 454.003960] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 454.011226] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 454.018506] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 454.025774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 454.033042] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 454.040359] skb_clone+0x1bb/0x500 [ 454.043943] ? skb_split+0x11e0/0x11e0 [ 454.047845] ? preempt_notifier_register+0x200/0x200 [ 454.052947] ? __switch_to_asm+0x34/0x70 [ 454.057010] ? __switch_to_asm+0x34/0x70 [ 454.061068] ? __switch_to_asm+0x40/0x70 [ 454.065129] ? __switch_to_asm+0x34/0x70 [ 454.069192] ? __switch_to_asm+0x40/0x70 [ 454.073254] ? __switch_to_asm+0x40/0x70 [ 454.077325] ? __switch_to_asm+0x34/0x70 [ 454.081410] ? __switch_to_asm+0x34/0x70 [ 454.085479] ? __switch_to_asm+0x40/0x70 [ 454.089542] ? __switch_to_asm+0x34/0x70 [ 454.093611] bpf_clone_redirect+0xb9/0x490 [ 454.097873] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 454.102892] ? __sched_text_start+0x8/0x8 [ 454.107055] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 454.111840] ? find_held_lock+0x36/0x1c0 [ 454.115911] ? lock_acquire+0x1ed/0x520 [ 454.119900] ? bpf_test_run+0x3ee/0x7a0 [ 454.123946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.129517] ? check_preemption_disabled+0x48/0x280 [ 454.134543] ? kasan_check_read+0x11/0x20 [ 454.138713] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.144001] ? rcu_softirq_qs+0x20/0x20 [ 454.147975] ? preempt_schedule+0x4d/0x60 [ 454.152125] ? ___preempt_schedule+0x16/0x18 [ 454.156545] ? bpf_test_run+0x271/0x7a0 [ 454.160535] ? netlink_diag_dump+0x2a0/0x2a0 [ 454.164999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.170534] ? bpf_test_init.isra.10+0x70/0x100 [ 454.175208] ? bpf_prog_test_run_skb+0x762/0xd60 [ 454.179975] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 454.184826] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 454.190362] ? fput+0x130/0x1a0 [ 454.193759] ? __bpf_prog_get+0x9b/0x290 [ 454.197824] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 454.202667] ? bpf_prog_test_run+0x130/0x1a0 [ 454.207076] ? __x64_sys_bpf+0x3d8/0x520 [ 454.211136] ? bpf_prog_get+0x20/0x20 [ 454.214970] ? do_syscall_64+0x1b9/0x820 [ 454.219043] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 454.224422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 454.229355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.234202] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.239223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 454.244244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 454.249267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.254117] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 454.259501] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 454.259650] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 454.266443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.266467] Call Trace: [ 454.276965] syz-executor2 cpuset=syz2 mems_allowed=0 [ 454.286318] dump_stack+0x244/0x39d [ 454.297593] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.302788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.308357] warn_alloc.cold.116+0xb7/0x1bd [ 454.312678] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.317541] ? lock_downgrade+0x900/0x900 [ 454.321710] ? trace_hardirqs_off+0xb8/0x310 [ 454.326126] ? trace_hardirqs_off+0xb8/0x310 [ 454.330549] __alloc_pages_slowpath+0x2651/0x2de0 [ 454.335432] ? warn_alloc+0x120/0x120 [ 454.339239] ? print_usage_bug+0xc0/0xc0 [ 454.343306] ? warn_alloc+0x120/0x120 [ 454.347112] ? warn_alloc+0x120/0x120 [ 454.350937] ? print_usage_bug+0xc0/0xc0 [ 454.355034] ? print_usage_bug+0xc0/0xc0 [ 454.359099] ? __lock_acquire+0x62f/0x4c20 [ 454.363355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.368935] ? should_fail+0x22d/0xd01 [ 454.372833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.377946] ? __lock_acquire+0x62f/0x4c20 [ 454.382187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.387321] ? __lock_acquire+0x62f/0x4c20 [ 454.391567] ? should_fail+0x22d/0xd01 [ 454.395460] ? find_held_lock+0x36/0x1c0 [ 454.399530] ? mark_held_locks+0x130/0x130 [ 454.403769] ? mark_held_locks+0x130/0x130 [ 454.408001] ? zap_class+0x640/0x640 [ 454.411735] ? mark_held_locks+0xc7/0x130 [ 454.415895] ? do_raw_spin_unlock+0xa7/0x330 [ 454.420314] ? zap_class+0x640/0x640 [ 454.424030] ? print_usage_bug+0xc0/0xc0 [ 454.428099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.433638] ? check_preemption_disabled+0x48/0x280 [ 454.438670] ? __lock_is_held+0xb5/0x140 [ 454.442738] __alloc_pages_nodemask+0xad8/0xea0 [ 454.447429] ? zap_class+0x640/0x640 [ 454.451148] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 454.456180] ? find_held_lock+0x36/0x1c0 [ 454.460250] ? ____cache_alloc_node+0x1c7/0x1e0 [ 454.464925] ? lock_downgrade+0x900/0x900 [ 454.469085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.474630] cache_grow_begin+0xa5/0x8c0 [ 454.478689] ? do_raw_spin_unlock+0xa7/0x330 [ 454.483105] fallback_alloc+0x204/0x2e0 [ 454.487089] ____cache_alloc_node+0x1c7/0x1e0 [ 454.491590] kmem_cache_alloc_node+0xe3/0x730 [ 454.496086] ? ipv6_get_ifaddr+0x42e/0x620 [ 454.500331] __alloc_skb+0x119/0x770 [ 454.504057] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.509339] ? netdev_alloc_frag+0x1f0/0x1f0 [ 454.513751] ? lock_downgrade+0x900/0x900 [ 454.517906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.523454] ? refcount_sub_and_test_checked+0x203/0x310 [ 454.528913] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 454.534389] ? addrconf_rs_timer+0x690/0x690 [ 454.538820] ndisc_alloc_skb+0x144/0x340 [ 454.542886] ndisc_send_rs+0x331/0x6e0 [ 454.546785] addrconf_rs_timer+0x314/0x690 [ 454.551055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.555304] call_timer_fn+0x272/0x920 [ 454.559191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.563432] ? process_timeout+0x40/0x40 [ 454.567506] ? __run_timers+0x7da/0xc70 [ 454.571485] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.575982] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.580478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.584716] ? lockdep_hardirqs_on+0x296/0x5b0 [ 454.589315] ? trace_hardirqs_on+0xbd/0x310 [ 454.593637] ? kasan_check_read+0x11/0x20 [ 454.597795] ? __run_timers+0x7da/0xc70 [ 454.601771] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.606907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.611187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.615429] __run_timers+0x7e5/0xc70 [ 454.619256] ? timer_fixup_init+0x70/0x70 [ 454.623410] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.627926] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.632428] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 454.637012] ? trace_hardirqs_on+0xbd/0x310 [ 454.641350] ? kasan_check_read+0x11/0x20 [ 454.645503] ? finish_task_switch+0x1f4/0x910 [ 454.650005] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.655112] ? compat_start_thread+0x80/0x80 [ 454.659545] ? pvclock_read_flags+0x160/0x160 [ 454.664034] ? __switch_to_asm+0x34/0x70 [ 454.668098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.673636] ? check_preemption_disabled+0x48/0x280 [ 454.678666] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 454.684205] ? rcu_pm_notify+0xc0/0xc0 [ 454.688100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.693638] ? check_preemption_disabled+0x48/0x280 [ 454.698658] run_timer_softirq+0x52/0xb0 [ 454.702718] ? rcu_read_lock_sched_held+0x14f/0x180 [ 454.707738] __do_softirq+0x308/0xb7e [ 454.711542] ? retint_kernel+0x2d/0x2d [ 454.715459] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 454.720565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 454.726017] ? retint_kernel+0x2d/0x2d [ 454.729949] ? schedule+0x108/0x460 [ 454.733586] ? trace_hardirqs_off+0xb8/0x310 [ 454.737994] ? smpboot_thread_fn+0x68b/0xa00 [ 454.742423] ? trace_hardirqs_on+0x310/0x310 [ 454.746836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.752374] ? check_preemption_disabled+0x48/0x280 [ 454.757414] ? takeover_tasklets+0xa90/0xa90 [ 454.761828] run_ksoftirqd+0x5e/0x100 [ 454.765632] smpboot_thread_fn+0x68b/0xa00 [ 454.769869] ? sort_range+0x30/0x30 [ 454.773498] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 454.778601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.784143] ? __kthread_parkme+0xfb/0x1a0 [ 454.788383] ? sort_range+0x30/0x30 [ 454.792021] kthread+0x35a/0x440 [ 454.795390] ? kthread_stop+0x900/0x900 [ 454.799380] ret_from_fork+0x3a/0x50 [ 454.803115] warn_alloc_show_mem: 1 callbacks suppressed [ 454.803127] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 454.803129] Mem-Info: [ 454.803162] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 454.803162] active_file:133 inactive_file:117 isolated_file:0 [ 454.803162] unevictable:0 dirty:3 writeback:0 unstable:0 [ 454.803162] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 454.803162] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 454.803162] free:13727 free_pcp:164 free_cma:0 [ 454.808493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.808502] Call Trace: [ 454.815868] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 454.818264] [ 454.851491] 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 [ 454.860838] dump_stack+0x244/0x39d [ 454.863407] lowmem_reserve[]: 0 2818 6321 6321 [ 454.891165] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.893295] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 454.919405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.923004] lowmem_reserve[]: 0 0 3503 3503 [ 454.927586] warn_alloc.cold.116+0xb7/0x1bd [ 454.932745] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 454.960325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.965837] lowmem_reserve[]: 0 0 0 0 [ 454.970156] ? lock_downgrade+0x900/0x900 [ 454.974453] 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 [ 455.003685] ? trace_hardirqs_off+0xb8/0x310 [ 455.008499] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 455.012293] ? trace_hardirqs_off+0xb8/0x310 [ 455.016425] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 455.029962] __alloc_pages_slowpath+0x2651/0x2de0 [ 455.034363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 455.049724] ? warn_alloc+0x120/0x120 [ 455.054090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 455.068120] ? warn_alloc+0x120/0x120 [ 455.072945] 2220 total pagecache pages [ 455.081777] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 455.085560] 0 pages in swap cache [ 455.094125] ? warn_alloc+0x120/0x120 [ 455.097903] Swap cache stats: add 0, delete 0, find 0/0 [ 455.101779] ? print_usage_bug+0xc0/0xc0 [ 455.106773] Free swap = 0kB [ 455.110222] ? print_usage_bug+0xc0/0xc0 [ 455.114010] Total swap = 0kB [ 455.119368] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 455.123429] 1965979 pages RAM [ 455.126460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.130498] 0 pages HighMem/MovableOnly [ 455.133512] ? should_fail+0x22d/0xd01 [ 455.138674] 342854 pages reserved [ 455.141777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.147285] 0 pages cma reserved [ 455.151251] ? __lock_acquire+0x62f/0x4c20 [ 455.155222] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 455.158559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.163718] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 455.166998] ? should_fail+0x22d/0xd01 [ 455.171209] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 455.177698] ? mark_held_locks+0x130/0x130 [ 455.205809] ? mark_held_locks+0x130/0x130 [ 455.210042] ? print_usage_bug+0xc0/0xc0 [ 455.214107] ? find_held_lock+0x36/0x1c0 [ 455.218171] ? zap_class+0x640/0x640 [ 455.221892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.227443] ? check_preemption_disabled+0x48/0x280 [ 455.232474] ? __lock_is_held+0xb5/0x140 [ 455.236541] __alloc_pages_nodemask+0xad8/0xea0 [ 455.241212] ? zap_class+0x640/0x640 [ 455.244931] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 455.249965] ? find_held_lock+0x36/0x1c0 [ 455.254038] ? ____cache_alloc_node+0x1c7/0x1e0 [ 455.258711] ? lock_downgrade+0x900/0x900 [ 455.262866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.268425] cache_grow_begin+0xa5/0x8c0 [ 455.272487] ? do_raw_spin_unlock+0xa7/0x330 [ 455.276908] fallback_alloc+0x204/0x2e0 [ 455.280891] ____cache_alloc_node+0x1c7/0x1e0 [ 455.285404] kmem_cache_alloc_node+0xe3/0x730 [ 455.289918] ? mark_held_locks+0xc7/0x130 [ 455.294078] __alloc_skb+0x119/0x770 [ 455.297801] ? netdev_alloc_frag+0x1f0/0x1f0 [ 455.302207] ? do_raw_spin_trylock+0x270/0x270 [ 455.306794] ? kmem_cache_alloc_trace+0x353/0x750 [ 455.311645] ? queue_work_on+0x12c/0x1e0 [ 455.315715] ? switchdev_port_obj_del+0xdc/0x440 [ 455.320476] ? switchdev_trans_item_enqueue+0x260/0x260 [ 455.325849] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 455.330902] __br_mdb_notify+0x4ff/0x15d0 [ 455.335062] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.340176] ? __br_mdb_add+0x7f0/0x7f0 [ 455.344152] ? mark_held_locks+0x130/0x130 [ 455.348391] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.353514] ? debug_object_assert_init+0x368/0x4b0 [ 455.358537] ? debug_object_init_on_stack+0x20/0x20 [ 455.363558] ? zap_class+0x640/0x640 [ 455.367292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.372832] br_mdb_notify+0x310/0x410 [ 455.376720] ? br_mdb_dump+0x27b0/0x27b0 [ 455.380797] br_multicast_del_pg+0x3df/0x790 [ 455.385212] ? br_mdb_ip_get+0x940/0x940 [ 455.389303] ? rwlock_bug.part.2+0x90/0x90 [ 455.393542] ? __lock_is_held+0xb5/0x140 [ 455.397619] br_multicast_port_group_expired+0x189/0x1e0 [ 455.403071] call_timer_fn+0x272/0x920 [ 455.406964] ? br_multicast_del_pg+0x790/0x790 [ 455.411549] ? process_timeout+0x40/0x40 [ 455.415621] ? __run_timers+0x7da/0xc70 [ 455.419595] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.424091] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.428588] ? br_multicast_del_pg+0x790/0x790 [ 455.433170] ? lockdep_hardirqs_on+0x296/0x5b0 [ 455.437759] ? trace_hardirqs_on+0xbd/0x310 [ 455.442079] ? kasan_check_read+0x11/0x20 [ 455.446226] ? __run_timers+0x7da/0xc70 [ 455.450206] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.455314] ? br_multicast_del_pg+0x790/0x790 [ 455.459904] ? br_multicast_del_pg+0x790/0x790 [ 455.464489] __run_timers+0x7e5/0xc70 [ 455.468301] ? timer_fixup_init+0x70/0x70 [ 455.472457] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 455.477473] ? zap_class+0x640/0x640 [ 455.481192] ? enqueue_hrtimer+0x1a5/0x560 [ 455.485443] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 455.490643] ? find_held_lock+0x36/0x1c0 [ 455.494708] ? zap_class+0x640/0x640 [ 455.498438] ? pvclock_read_flags+0x160/0x160 [ 455.502935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.508473] ? check_preemption_disabled+0x48/0x280 [ 455.513498] ? __lock_is_held+0xb5/0x140 [ 455.517561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.523103] ? check_preemption_disabled+0x48/0x280 [ 455.528122] run_timer_softirq+0x52/0xb0 [ 455.532182] ? rcu_read_lock_sched_held+0x14f/0x180 [ 455.537202] __do_softirq+0x308/0xb7e [ 455.541008] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 455.545508] ? lock_downgrade+0x900/0x900 [ 455.549660] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 455.554771] ? pvclock_read_flags+0x160/0x160 [ 455.559269] ? lapic_next_event+0x5a/0x90 [ 455.563459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.569017] ? kvm_clock_read+0x18/0x30 [ 455.572994] ? kvm_sched_clock_read+0x9/0x20 [ 455.577417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.582965] ? check_preemption_disabled+0x48/0x280 [ 455.588009] irq_exit+0x17f/0x1c0 [ 455.591467] smp_apic_timer_interrupt+0x1cb/0x760 [ 455.596307] ? smp_reschedule_interrupt+0x109/0x650 [ 455.601329] ? smp_call_function_single_interrupt+0x650/0x650 [ 455.607215] ? interrupt_entry+0xb5/0xc0 [ 455.611307] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.616326] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.621343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.626189] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.631203] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.636224] ? task_prio+0x50/0x50 [ 455.639781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.645318] ? check_preemption_disabled+0x48/0x280 [ 455.650341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.655192] apic_timer_interrupt+0xf/0x20 [ 455.659430] [ 455.661674] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 455.666605] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 455.685501] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 455.693209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 455.700477] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 455.707746] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 455.715014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 455.722283] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 455.729589] skb_clone+0x1bb/0x500 [ 455.733132] ? skb_split+0x11e0/0x11e0 [ 455.737026] ? preempt_notifier_register+0x200/0x200 [ 455.742157] ? __switch_to_asm+0x34/0x70 [ 455.746219] ? __switch_to_asm+0x34/0x70 [ 455.750277] ? __switch_to_asm+0x40/0x70 [ 455.754340] ? __switch_to_asm+0x34/0x70 [ 455.758406] ? __switch_to_asm+0x40/0x70 [ 455.762470] ? __switch_to_asm+0x40/0x70 [ 455.766533] ? __switch_to_asm+0x34/0x70 [ 455.770594] ? __switch_to_asm+0x34/0x70 [ 455.774654] ? __switch_to_asm+0x40/0x70 [ 455.778710] ? __switch_to_asm+0x34/0x70 [ 455.782775] bpf_clone_redirect+0xb9/0x490 [ 455.787019] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 455.792040] ? __sched_text_start+0x8/0x8 [ 455.796191] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 455.800960] ? find_held_lock+0x36/0x1c0 [ 455.805027] ? lock_acquire+0x1ed/0x520 [ 455.808998] ? bpf_test_run+0x3ee/0x7a0 [ 455.812971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.818508] ? check_preemption_disabled+0x48/0x280 [ 455.823537] ? kasan_check_read+0x11/0x20 [ 455.827685] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.832992] ? rcu_softirq_qs+0x20/0x20 [ 455.836971] ? preempt_schedule+0x4d/0x60 [ 455.841119] ? ___preempt_schedule+0x16/0x18 [ 455.845539] ? bpf_test_run+0x271/0x7a0 [ 455.849527] ? netlink_diag_dump+0x2a0/0x2a0 [ 455.853940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.859479] ? bpf_test_init.isra.10+0x70/0x100 [ 455.864156] ? bpf_prog_test_run_skb+0x762/0xd60 [ 455.868921] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 455.873775] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 455.879312] ? fput+0x130/0x1a0 [ 455.882596] ? __bpf_prog_get+0x9b/0x290 [ 455.886662] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 455.891509] ? bpf_prog_test_run+0x130/0x1a0 [ 455.895920] ? __x64_sys_bpf+0x3d8/0x520 [ 455.899995] ? bpf_prog_get+0x20/0x20 [ 455.903818] ? do_syscall_64+0x1b9/0x820 [ 455.907880] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 455.913247] ? syscall_return_slowpath+0x5e0/0x5e0 [ 455.918181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.923029] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.928045] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 455.933067] ? prepare_exit_to_usermode+0x291/0x3b0 [ 455.938092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.942956] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 455.948336] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 455.948508] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 455.955267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.965734] syz-executor2 cpuset=syz2 mems_allowed=0 [ 455.975076] Call Trace: [ 455.982746] dump_stack+0x244/0x39d [ 455.986383] ? dump_stack_print_info.cold.1+0x20/0x20 [ 455.991584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.997137] warn_alloc.cold.116+0xb7/0x1bd [ 456.001463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 456.006311] ? lock_downgrade+0x900/0x900 [ 456.010468] ? trace_hardirqs_off+0xb8/0x310 [ 456.014901] ? trace_hardirqs_off+0xb8/0x310 [ 456.019323] __alloc_pages_slowpath+0x2651/0x2de0 [ 456.024201] ? warn_alloc+0x120/0x120 [ 456.028005] ? print_usage_bug+0xc0/0xc0 [ 456.032068] ? warn_alloc+0x120/0x120 [ 456.035875] ? warn_alloc+0x120/0x120 [ 456.039678] ? print_usage_bug+0xc0/0xc0 [ 456.043762] ? print_usage_bug+0xc0/0xc0 [ 456.047838] ? __lock_acquire+0x62f/0x4c20 [ 456.052093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.057649] ? should_fail+0x22d/0xd01 [ 456.061547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.066674] ? __lock_acquire+0x62f/0x4c20 [ 456.070933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.076039] ? __lock_acquire+0x62f/0x4c20 [ 456.080276] ? should_fail+0x22d/0xd01 [ 456.084165] ? find_held_lock+0x36/0x1c0 [ 456.088231] ? mark_held_locks+0x130/0x130 [ 456.092488] ? mark_held_locks+0x130/0x130 [ 456.096723] ? zap_class+0x640/0x640 [ 456.100464] ? mark_held_locks+0xc7/0x130 [ 456.104624] ? do_raw_spin_unlock+0xa7/0x330 [ 456.109034] ? zap_class+0x640/0x640 [ 456.112750] ? print_usage_bug+0xc0/0xc0 [ 456.116820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.122425] ? check_preemption_disabled+0x48/0x280 [ 456.127469] ? __lock_is_held+0xb5/0x140 [ 456.131551] __alloc_pages_nodemask+0xad8/0xea0 [ 456.136238] ? zap_class+0x640/0x640 [ 456.139961] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 456.145005] ? find_held_lock+0x36/0x1c0 [ 456.149082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 456.153754] ? lock_downgrade+0x900/0x900 [ 456.157930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.163474] cache_grow_begin+0xa5/0x8c0 [ 456.167551] ? do_raw_spin_unlock+0xa7/0x330 [ 456.171984] fallback_alloc+0x204/0x2e0 [ 456.175967] ____cache_alloc_node+0x1c7/0x1e0 [ 456.180474] kmem_cache_alloc_node+0xe3/0x730 [ 456.184974] ? ipv6_get_ifaddr+0x42e/0x620 [ 456.189261] __alloc_skb+0x119/0x770 [ 456.193130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.198420] ? netdev_alloc_frag+0x1f0/0x1f0 [ 456.202831] ? lock_downgrade+0x900/0x900 [ 456.207004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.212557] ? refcount_sub_and_test_checked+0x203/0x310 [ 456.218012] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 456.223467] ? addrconf_rs_timer+0x690/0x690 [ 456.227941] ndisc_alloc_skb+0x144/0x340 [ 456.232007] ndisc_send_rs+0x331/0x6e0 [ 456.235902] addrconf_rs_timer+0x314/0x690 [ 456.240151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.244404] call_timer_fn+0x272/0x920 [ 456.248309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.252546] ? process_timeout+0x40/0x40 [ 456.256614] ? __run_timers+0x7da/0xc70 [ 456.260604] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.265103] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.269613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.273866] ? lockdep_hardirqs_on+0x296/0x5b0 [ 456.278452] ? trace_hardirqs_on+0xbd/0x310 [ 456.282772] ? kasan_check_read+0x11/0x20 [ 456.286925] ? __run_timers+0x7da/0xc70 [ 456.290908] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.296029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.300271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 456.304506] __run_timers+0x7e5/0xc70 [ 456.308314] ? timer_fixup_init+0x70/0x70 [ 456.312479] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.316969] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.321480] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 456.326064] ? trace_hardirqs_on+0xbd/0x310 [ 456.330383] ? kasan_check_read+0x11/0x20 [ 456.334542] ? finish_task_switch+0x1f4/0x910 [ 456.339040] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.344139] ? compat_start_thread+0x80/0x80 [ 456.348570] ? pvclock_read_flags+0x160/0x160 [ 456.353065] ? __switch_to_asm+0x34/0x70 [ 456.357128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.362679] ? check_preemption_disabled+0x48/0x280 [ 456.367706] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 456.373245] ? rcu_pm_notify+0xc0/0xc0 [ 456.377148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.382722] ? check_preemption_disabled+0x48/0x280 [ 456.387757] run_timer_softirq+0x52/0xb0 [ 456.391822] ? rcu_read_lock_sched_held+0x14f/0x180 [ 456.396838] __do_softirq+0x308/0xb7e [ 456.400646] ? retint_kernel+0x2d/0x2d [ 456.404543] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 456.409647] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 456.415097] ? retint_kernel+0x2d/0x2d [ 456.418990] ? schedule+0x108/0x460 [ 456.422627] ? trace_hardirqs_off+0xb8/0x310 [ 456.427036] ? smpboot_thread_fn+0x68b/0xa00 [ 456.431447] ? trace_hardirqs_on+0x310/0x310 [ 456.435860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.441409] ? check_preemption_disabled+0x48/0x280 [ 456.446439] ? takeover_tasklets+0xa90/0xa90 [ 456.450855] run_ksoftirqd+0x5e/0x100 [ 456.454660] smpboot_thread_fn+0x68b/0xa00 [ 456.459072] ? sort_range+0x30/0x30 [ 456.462703] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.467809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.473358] ? __kthread_parkme+0xfb/0x1a0 [ 456.477597] ? sort_range+0x30/0x30 [ 456.481223] kthread+0x35a/0x440 [ 456.484591] ? kthread_stop+0x900/0x900 [ 456.488566] ret_from_fork+0x3a/0x50 [ 456.492296] warn_alloc_show_mem: 1 callbacks suppressed [ 456.492307] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 456.492309] Mem-Info: [ 456.492341] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 456.492341] active_file:133 inactive_file:117 isolated_file:0 [ 456.492341] unevictable:0 dirty:3 writeback:0 unstable:0 [ 456.492341] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 456.492341] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 456.492341] free:13727 free_pcp:164 free_cma:0 [ 456.497676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.505043] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 456.507449] Call Trace: [ 456.540660] 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 [ 456.550007] [ 456.577739] lowmem_reserve[]: 0 2818 6321 6321 [ 456.580332] dump_stack+0x244/0x39d [ 456.606428] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 456.608577] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.613130] lowmem_reserve[]: 0 0 3503 3503 [ 456.616752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.644309] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 456.649495] warn_alloc.cold.116+0xb7/0x1bd [ 456.653786] lowmem_reserve[]: 0 0 0 0 [ 456.659315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 456.688527] 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 [ 456.692861] ? lock_downgrade+0x900/0x900 [ 456.696633] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 456.701473] ? trace_hardirqs_off+0xb8/0x310 [ 456.714971] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 456.719118] ? trace_hardirqs_off+0xb8/0x310 [ 456.734443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 456.738840] __alloc_pages_slowpath+0x2651/0x2de0 [ 456.752342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 456.756764] ? warn_alloc+0x120/0x120 [ 456.765554] 2220 total pagecache pages [ 456.770391] ? warn_alloc+0x120/0x120 [ 456.778957] 0 pages in swap cache [ 456.782744] ? warn_alloc+0x120/0x120 [ 456.786612] Swap cache stats: add 0, delete 0, find 0/0 [ 456.790413] ? print_usage_bug+0xc0/0xc0 [ 456.793838] Free swap = 0kB [ 456.797630] ? print_usage_bug+0xc0/0xc0 [ 456.802966] Total swap = 0kB [ 456.807027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.810020] 1965979 pages RAM [ 456.814073] ? should_fail+0x22d/0xd01 [ 456.817082] 0 pages HighMem/MovableOnly [ 456.822613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.825693] 342854 pages reserved [ 456.829572] ? __lock_acquire+0x62f/0x4c20 [ 456.833526] 0 pages cma reserved [ 456.838625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.842126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 456.846282] ? should_fail+0x22d/0xd01 [ 456.849710] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 456.854730] ? mark_held_locks+0x130/0x130 [ 456.861193] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 456.865073] ? mark_held_locks+0x130/0x130 [ 456.888497] ? print_usage_bug+0xc0/0xc0 [ 456.892566] ? find_held_lock+0x36/0x1c0 [ 456.896646] ? zap_class+0x640/0x640 [ 456.900368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.905938] ? check_preemption_disabled+0x48/0x280 [ 456.910962] ? __lock_is_held+0xb5/0x140 [ 456.915033] __alloc_pages_nodemask+0xad8/0xea0 [ 456.919702] ? zap_class+0x640/0x640 [ 456.923432] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 456.928474] ? find_held_lock+0x36/0x1c0 [ 456.932547] ? ____cache_alloc_node+0x1c7/0x1e0 [ 456.937218] ? lock_downgrade+0x900/0x900 [ 456.941375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.946927] cache_grow_begin+0xa5/0x8c0 [ 456.950992] ? do_raw_spin_unlock+0xa7/0x330 [ 456.955428] fallback_alloc+0x204/0x2e0 [ 456.959428] ____cache_alloc_node+0x1c7/0x1e0 [ 456.963931] kmem_cache_alloc_node+0xe3/0x730 [ 456.968478] ? mark_held_locks+0xc7/0x130 [ 456.972635] __alloc_skb+0x119/0x770 [ 456.976352] ? netdev_alloc_frag+0x1f0/0x1f0 [ 456.980763] ? do_raw_spin_trylock+0x270/0x270 [ 456.985395] ? kmem_cache_alloc_trace+0x353/0x750 [ 456.990256] ? queue_work_on+0x12c/0x1e0 [ 456.994325] ? switchdev_port_obj_del+0xdc/0x440 [ 456.999084] ? switchdev_trans_item_enqueue+0x260/0x260 [ 457.004460] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 457.009504] __br_mdb_notify+0x4ff/0x15d0 [ 457.013663] ? __br_mdb_add+0x7f0/0x7f0 [ 457.017652] ? zap_class+0x640/0x640 [ 457.021412] ? br_multicast_group_expired+0x96/0x610 [ 457.026602] br_mdb_notify+0x310/0x410 [ 457.030504] ? br_mdb_dump+0x27b0/0x27b0 [ 457.034570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.040119] br_multicast_group_expired+0x1bc/0x610 [ 457.045147] ? br_mdb_free+0x80/0x80 [ 457.048888] call_timer_fn+0x272/0x920 [ 457.052793] ? br_mdb_free+0x80/0x80 [ 457.056510] ? process_timeout+0x40/0x40 [ 457.061088] ? __run_timers+0x7da/0xc70 [ 457.065064] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.069557] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.074049] ? br_mdb_free+0x80/0x80 [ 457.077764] ? lockdep_hardirqs_on+0x296/0x5b0 [ 457.082351] ? trace_hardirqs_on+0xbd/0x310 [ 457.086672] ? kasan_check_read+0x11/0x20 [ 457.090821] ? __run_timers+0x7da/0xc70 [ 457.094831] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.099940] ? br_multicast_del_pg+0x790/0x790 [ 457.104531] ? br_mdb_free+0x80/0x80 [ 457.108263] __run_timers+0x7e5/0xc70 [ 457.112120] ? timer_fixup_init+0x70/0x70 [ 457.116287] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 457.121306] ? zap_class+0x640/0x640 [ 457.125022] ? enqueue_hrtimer+0x1a5/0x560 [ 457.129261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 457.134463] ? find_held_lock+0x36/0x1c0 [ 457.138527] ? zap_class+0x640/0x640 [ 457.142247] ? pvclock_read_flags+0x160/0x160 [ 457.146749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.152291] ? check_preemption_disabled+0x48/0x280 [ 457.157319] ? __lock_is_held+0xb5/0x140 [ 457.161379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.166933] ? check_preemption_disabled+0x48/0x280 [ 457.171957] run_timer_softirq+0x52/0xb0 [ 457.176018] ? rcu_read_lock_sched_held+0x14f/0x180 [ 457.181039] __do_softirq+0x308/0xb7e [ 457.184858] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 457.189355] ? lock_downgrade+0x900/0x900 [ 457.193546] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 457.198653] ? pvclock_read_flags+0x160/0x160 [ 457.203152] ? lapic_next_event+0x5a/0x90 [ 457.207305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.212850] ? kvm_clock_read+0x18/0x30 [ 457.216844] ? kvm_sched_clock_read+0x9/0x20 [ 457.221257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.226820] ? check_preemption_disabled+0x48/0x280 [ 457.231849] irq_exit+0x17f/0x1c0 [ 457.235304] smp_apic_timer_interrupt+0x1cb/0x760 [ 457.240163] ? smp_reschedule_interrupt+0x109/0x650 [ 457.245185] ? smp_call_function_single_interrupt+0x650/0x650 [ 457.251072] ? interrupt_entry+0xb5/0xc0 [ 457.255153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.260170] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.265190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.270047] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.275066] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.280083] ? task_prio+0x50/0x50 [ 457.283625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.289164] ? check_preemption_disabled+0x48/0x280 [ 457.294185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.299040] apic_timer_interrupt+0xf/0x20 [ 457.303294] [ 457.305552] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 457.310482] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 457.329382] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 457.337103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 457.344370] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 457.351644] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 457.358909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 457.366175] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 457.373484] skb_clone+0x1bb/0x500 [ 457.377031] ? skb_split+0x11e0/0x11e0 [ 457.380936] ? preempt_notifier_register+0x200/0x200 [ 457.386032] ? __switch_to_asm+0x34/0x70 [ 457.390105] ? __switch_to_asm+0x34/0x70 [ 457.394210] ? __switch_to_asm+0x40/0x70 [ 457.398285] ? __switch_to_asm+0x34/0x70 [ 457.402341] ? __switch_to_asm+0x40/0x70 [ 457.406412] ? __switch_to_asm+0x40/0x70 [ 457.410486] ? __switch_to_asm+0x34/0x70 [ 457.414549] ? __switch_to_asm+0x34/0x70 [ 457.418607] ? __switch_to_asm+0x40/0x70 [ 457.422668] ? __switch_to_asm+0x34/0x70 [ 457.426735] bpf_clone_redirect+0xb9/0x490 [ 457.430978] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 457.436000] ? __sched_text_start+0x8/0x8 [ 457.440151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 457.444918] ? find_held_lock+0x36/0x1c0 [ 457.448995] ? lock_acquire+0x1ed/0x520 [ 457.452971] ? bpf_test_run+0x3ee/0x7a0 [ 457.456948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.462486] ? check_preemption_disabled+0x48/0x280 [ 457.467513] ? kasan_check_read+0x11/0x20 [ 457.471679] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.476953] ? rcu_softirq_qs+0x20/0x20 [ 457.480925] ? preempt_schedule+0x4d/0x60 [ 457.485077] ? ___preempt_schedule+0x16/0x18 [ 457.489493] ? bpf_test_run+0x271/0x7a0 [ 457.493479] ? netlink_diag_dump+0x2a0/0x2a0 [ 457.497906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.503447] ? bpf_test_init.isra.10+0x70/0x100 [ 457.508123] ? bpf_prog_test_run_skb+0x762/0xd60 [ 457.512888] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 457.517740] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 457.523278] ? fput+0x130/0x1a0 [ 457.526563] ? __bpf_prog_get+0x9b/0x290 [ 457.530629] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 457.535472] ? bpf_prog_test_run+0x130/0x1a0 [ 457.539897] ? __x64_sys_bpf+0x3d8/0x520 [ 457.543958] ? bpf_prog_get+0x20/0x20 [ 457.547782] ? do_syscall_64+0x1b9/0x820 [ 457.551842] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 457.557209] ? syscall_return_slowpath+0x5e0/0x5e0 [ 457.562142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.567005] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.572022] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 457.577071] ? prepare_exit_to_usermode+0x291/0x3b0 [ 457.582098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.586951] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 457.592336] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 457.592502] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 457.599271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.609737] syz-executor2 cpuset=syz2 mems_allowed=0 [ 457.619081] Call Trace: [ 457.626755] dump_stack+0x244/0x39d [ 457.630393] ? dump_stack_print_info.cold.1+0x20/0x20 [ 457.635602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.641152] warn_alloc.cold.116+0xb7/0x1bd [ 457.645476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 457.650325] ? lock_downgrade+0x900/0x900 [ 457.654485] ? trace_hardirqs_off+0xb8/0x310 [ 457.658901] ? trace_hardirqs_off+0xb8/0x310 [ 457.663338] __alloc_pages_slowpath+0x2651/0x2de0 [ 457.668225] ? warn_alloc+0x120/0x120 [ 457.672034] ? print_usage_bug+0xc0/0xc0 [ 457.676097] ? warn_alloc+0x120/0x120 [ 457.679902] ? warn_alloc+0x120/0x120 [ 457.683736] ? print_usage_bug+0xc0/0xc0 [ 457.687808] ? print_usage_bug+0xc0/0xc0 [ 457.691872] ? __lock_acquire+0x62f/0x4c20 [ 457.696114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.701652] ? should_fail+0x22d/0xd01 [ 457.705545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.710649] ? __lock_acquire+0x62f/0x4c20 [ 457.714892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.719999] ? __lock_acquire+0x62f/0x4c20 [ 457.724235] ? should_fail+0x22d/0xd01 [ 457.728122] ? find_held_lock+0x36/0x1c0 [ 457.732193] ? mark_held_locks+0x130/0x130 [ 457.736442] ? mark_held_locks+0x130/0x130 [ 457.740695] ? zap_class+0x640/0x640 [ 457.744421] ? mark_held_locks+0xc7/0x130 [ 457.748571] ? do_raw_spin_unlock+0xa7/0x330 [ 457.752984] ? zap_class+0x640/0x640 [ 457.756701] ? print_usage_bug+0xc0/0xc0 [ 457.760770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.766312] ? check_preemption_disabled+0x48/0x280 [ 457.771339] ? __lock_is_held+0xb5/0x140 [ 457.775415] __alloc_pages_nodemask+0xad8/0xea0 [ 457.780086] ? zap_class+0x640/0x640 [ 457.783807] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 457.788839] ? find_held_lock+0x36/0x1c0 [ 457.792912] ? ____cache_alloc_node+0x1c7/0x1e0 [ 457.797592] ? lock_downgrade+0x900/0x900 [ 457.801748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.807289] cache_grow_begin+0xa5/0x8c0 [ 457.811351] ? do_raw_spin_unlock+0xa7/0x330 [ 457.815769] fallback_alloc+0x204/0x2e0 [ 457.819750] ____cache_alloc_node+0x1c7/0x1e0 [ 457.824255] kmem_cache_alloc_node+0xe3/0x730 [ 457.828753] ? ipv6_get_ifaddr+0x42e/0x620 [ 457.832999] __alloc_skb+0x119/0x770 [ 457.836711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.841995] ? netdev_alloc_frag+0x1f0/0x1f0 [ 457.846415] ? lock_downgrade+0x900/0x900 [ 457.850571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.856115] ? refcount_sub_and_test_checked+0x203/0x310 [ 457.861571] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 457.867037] ? addrconf_rs_timer+0x690/0x690 [ 457.871473] ndisc_alloc_skb+0x144/0x340 [ 457.875540] ndisc_send_rs+0x331/0x6e0 [ 457.879453] addrconf_rs_timer+0x314/0x690 [ 457.883695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.887947] call_timer_fn+0x272/0x920 [ 457.891839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.896103] ? process_timeout+0x40/0x40 [ 457.900175] ? __run_timers+0x7da/0xc70 [ 457.904150] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.908661] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.913157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.917391] ? lockdep_hardirqs_on+0x296/0x5b0 [ 457.921989] ? trace_hardirqs_on+0xbd/0x310 [ 457.926315] ? kasan_check_read+0x11/0x20 [ 457.930465] ? __run_timers+0x7da/0xc70 [ 457.934445] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.939556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.943800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.948033] __run_timers+0x7e5/0xc70 [ 457.951844] ? timer_fixup_init+0x70/0x70 [ 457.955994] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.960488] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.964986] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 457.969574] ? trace_hardirqs_on+0xbd/0x310 [ 457.973902] ? kasan_check_read+0x11/0x20 [ 457.978062] ? finish_task_switch+0x1f4/0x910 [ 457.982565] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.987669] ? compat_start_thread+0x80/0x80 [ 457.992099] ? pvclock_read_flags+0x160/0x160 [ 457.996596] ? __switch_to_asm+0x34/0x70 [ 458.000660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.006203] ? check_preemption_disabled+0x48/0x280 [ 458.011231] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 458.016774] ? rcu_pm_notify+0xc0/0xc0 [ 458.020670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.026211] ? check_preemption_disabled+0x48/0x280 [ 458.031232] run_timer_softirq+0x52/0xb0 [ 458.035297] ? rcu_read_lock_sched_held+0x14f/0x180 [ 458.040319] __do_softirq+0x308/0xb7e [ 458.044123] ? retint_kernel+0x2d/0x2d [ 458.048017] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 458.053125] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 458.058574] ? retint_kernel+0x2d/0x2d [ 458.062475] ? schedule+0x108/0x460 [ 458.066116] ? trace_hardirqs_off+0xb8/0x310 [ 458.070527] ? smpboot_thread_fn+0x68b/0xa00 [ 458.074943] ? trace_hardirqs_on+0x310/0x310 [ 458.079355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.084896] ? check_preemption_disabled+0x48/0x280 [ 458.089917] ? takeover_tasklets+0xa90/0xa90 [ 458.094348] run_ksoftirqd+0x5e/0x100 [ 458.098154] smpboot_thread_fn+0x68b/0xa00 [ 458.102406] ? sort_range+0x30/0x30 [ 458.106039] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 458.111149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.116688] ? __kthread_parkme+0xfb/0x1a0 [ 458.120932] ? sort_range+0x30/0x30 [ 458.124560] kthread+0x35a/0x440 [ 458.127934] ? kthread_stop+0x900/0x900 [ 458.131913] ret_from_fork+0x3a/0x50 [ 458.135657] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 458.135663] warn_alloc_show_mem: 1 callbacks suppressed [ 458.135670] Mem-Info: [ 458.143024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.148392] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 458.148392] active_file:133 inactive_file:117 isolated_file:0 [ 458.148392] unevictable:0 dirty:3 writeback:0 unstable:0 [ 458.148392] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 458.148392] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 458.148392] free:13727 free_pcp:164 free_cma:0 [ 458.150766] Call Trace: [ 458.160157] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 458.193507] [ 458.196084] 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 [ 458.223844] dump_stack+0x244/0x39d [ 458.225959] lowmem_reserve[]: 0 2818 6321 6321 [ 458.252078] ? dump_stack_print_info.cold.1+0x20/0x20 [ 458.255676] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 458.260256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.265419] lowmem_reserve[]: 0 0 3503 3503 [ 458.293022] warn_alloc.cold.116+0xb7/0x1bd [ 458.298528] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 458.302849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 458.307147] lowmem_reserve[]: 0 0 0 0 [ 458.336382] ? lock_downgrade+0x900/0x900 [ 458.341198] 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 [ 458.345018] ? trace_hardirqs_off+0xb8/0x310 [ 458.349135] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 458.362653] ? trace_hardirqs_off+0xb8/0x310 [ 458.367033] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 458.382374] __alloc_pages_slowpath+0x2651/0x2de0 [ 458.386760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 458.400290] ? warn_alloc+0x120/0x120 [ 458.405094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 458.413958] ? warn_alloc+0x120/0x120 [ 458.417735] 2220 total pagecache pages [ 458.426306] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 458.430107] 0 pages in swap cache [ 458.433984] ? warn_alloc+0x120/0x120 [ 458.438983] Swap cache stats: add 0, delete 0, find 0/0 [ 458.442438] ? print_usage_bug+0xc0/0xc0 [ 458.446211] Free swap = 0kB [ 458.451567] ? print_usage_bug+0xc0/0xc0 [ 458.455606] Total swap = 0kB [ 458.458622] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 458.462657] 1965979 pages RAM [ 458.465671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.470829] 0 pages HighMem/MovableOnly [ 458.473937] ? should_fail+0x22d/0xd01 [ 458.479446] 342854 pages reserved [ 458.483437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.487295] 0 pages cma reserved [ 458.490740] ? __lock_acquire+0x62f/0x4c20 [ 458.495888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 458.499175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.499189] ? should_fail+0x22d/0xd01 [ 458.499213] ? mark_held_locks+0x130/0x130 [ 458.503504] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 458.509922] ? mark_held_locks+0x130/0x130 [ 458.515006] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 458.518900] ? print_usage_bug+0xc0/0xc0 [ 458.546341] ? find_held_lock+0x36/0x1c0 [ 458.550412] ? zap_class+0x640/0x640 [ 458.554151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.559694] ? check_preemption_disabled+0x48/0x280 [ 458.564724] ? __lock_is_held+0xb5/0x140 [ 458.568795] __alloc_pages_nodemask+0xad8/0xea0 [ 458.573465] ? zap_class+0x640/0x640 [ 458.577183] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 458.582214] ? find_held_lock+0x36/0x1c0 [ 458.586289] ? ____cache_alloc_node+0x1c7/0x1e0 [ 458.590965] ? lock_downgrade+0x900/0x900 [ 458.595136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.600686] cache_grow_begin+0xa5/0x8c0 [ 458.604747] ? do_raw_spin_unlock+0xa7/0x330 [ 458.609161] fallback_alloc+0x204/0x2e0 [ 458.613142] ____cache_alloc_node+0x1c7/0x1e0 [ 458.617647] kmem_cache_alloc_node+0xe3/0x730 [ 458.622162] ? mark_held_locks+0xc7/0x130 [ 458.626320] __alloc_skb+0x119/0x770 [ 458.630045] ? netdev_alloc_frag+0x1f0/0x1f0 [ 458.634477] ? do_raw_spin_trylock+0x270/0x270 [ 458.639077] ? kmem_cache_alloc_trace+0x353/0x750 [ 458.643928] ? queue_work_on+0x12c/0x1e0 [ 458.647997] ? switchdev_port_obj_del+0xdc/0x440 [ 458.652755] ? switchdev_trans_item_enqueue+0x260/0x260 [ 458.658128] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 458.663153] __br_mdb_notify+0x4ff/0x15d0 [ 458.667316] ? __br_mdb_add+0x7f0/0x7f0 [ 458.671304] ? zap_class+0x640/0x640 [ 458.675033] ? br_multicast_group_expired+0x96/0x610 [ 458.680138] ? lock_downgrade+0x900/0x900 [ 458.684294] br_mdb_notify+0x310/0x410 [ 458.688187] ? br_mdb_dump+0x27b0/0x27b0 [ 458.692254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.697804] br_multicast_group_expired+0x1bc/0x610 [ 458.702843] ? br_mdb_free+0x80/0x80 [ 458.706584] call_timer_fn+0x272/0x920 [ 458.710472] ? br_mdb_free+0x80/0x80 [ 458.714185] ? process_timeout+0x40/0x40 [ 458.718258] ? __run_timers+0x7da/0xc70 [ 458.722232] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.726727] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.731226] ? br_mdb_free+0x80/0x80 [ 458.734940] ? lockdep_hardirqs_on+0x296/0x5b0 [ 458.739526] ? trace_hardirqs_on+0xbd/0x310 [ 458.743852] ? kasan_check_read+0x11/0x20 [ 458.747997] ? __run_timers+0x7da/0xc70 [ 458.751972] ? trace_hardirqs_off_caller+0x310/0x310 [ 458.757087] ? br_mdb_free+0x80/0x80 [ 458.760810] ? br_mdb_free+0x80/0x80 [ 458.764525] __run_timers+0x7e5/0xc70 [ 458.768338] ? timer_fixup_init+0x70/0x70 [ 458.772490] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 458.777510] ? zap_class+0x640/0x640 [ 458.781231] ? enqueue_hrtimer+0x1a5/0x560 [ 458.785468] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 458.790664] ? find_held_lock+0x36/0x1c0 [ 458.794735] ? zap_class+0x640/0x640 [ 458.798455] ? pvclock_read_flags+0x160/0x160 [ 458.802953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.808500] ? check_preemption_disabled+0x48/0x280 [ 458.813526] ? __lock_is_held+0xb5/0x140 [ 458.817594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.823131] ? check_preemption_disabled+0x48/0x280 [ 458.828153] run_timer_softirq+0x52/0xb0 [ 458.832216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 458.837233] __do_softirq+0x308/0xb7e [ 458.841082] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 458.845606] ? lock_downgrade+0x900/0x900 [ 458.849757] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 458.854890] ? pvclock_read_flags+0x160/0x160 [ 458.859417] ? lapic_next_event+0x5a/0x90 [ 458.863577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.869118] ? kvm_clock_read+0x18/0x30 [ 458.873096] ? kvm_sched_clock_read+0x9/0x20 [ 458.877511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.883051] ? check_preemption_disabled+0x48/0x280 [ 458.888076] irq_exit+0x17f/0x1c0 [ 458.891536] smp_apic_timer_interrupt+0x1cb/0x760 [ 458.896376] ? smp_reschedule_interrupt+0x109/0x650 [ 458.901410] ? smp_call_function_single_interrupt+0x650/0x650 [ 458.907315] ? interrupt_entry+0xb5/0xc0 [ 458.911381] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.916456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.921487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.926330] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.931339] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.936355] ? task_prio+0x50/0x50 [ 458.939897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.945468] ? check_preemption_disabled+0x48/0x280 [ 458.950489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.955340] apic_timer_interrupt+0xf/0x20 [ 458.959574] [ 458.961817] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 458.966748] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 458.985657] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 458.993360] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 459.000629] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 459.007895] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 459.015173] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 459.022444] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 459.029759] skb_clone+0x1bb/0x500 [ 459.033301] ? skb_split+0x11e0/0x11e0 [ 459.037259] ? preempt_notifier_register+0x200/0x200 [ 459.042363] ? __switch_to_asm+0x34/0x70 [ 459.046440] ? __switch_to_asm+0x34/0x70 [ 459.050500] ? __switch_to_asm+0x40/0x70 [ 459.054557] ? __switch_to_asm+0x34/0x70 [ 459.058619] ? __switch_to_asm+0x40/0x70 [ 459.063164] ? __switch_to_asm+0x40/0x70 [ 459.067237] ? __switch_to_asm+0x34/0x70 [ 459.071294] ? __switch_to_asm+0x34/0x70 [ 459.075357] ? __switch_to_asm+0x40/0x70 [ 459.079428] ? __switch_to_asm+0x34/0x70 [ 459.083513] bpf_clone_redirect+0xb9/0x490 [ 459.087762] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 459.092785] ? __sched_text_start+0x8/0x8 [ 459.096934] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 459.101707] ? find_held_lock+0x36/0x1c0 [ 459.105778] ? lock_acquire+0x1ed/0x520 [ 459.109755] ? bpf_test_run+0x3ee/0x7a0 [ 459.113730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.119284] ? check_preemption_disabled+0x48/0x280 [ 459.124310] ? kasan_check_read+0x11/0x20 [ 459.128465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.133742] ? rcu_softirq_qs+0x20/0x20 [ 459.137737] ? preempt_schedule+0x4d/0x60 [ 459.141887] ? ___preempt_schedule+0x16/0x18 [ 459.146318] ? bpf_test_run+0x271/0x7a0 [ 459.150304] ? netlink_diag_dump+0x2a0/0x2a0 [ 459.154721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.160260] ? bpf_test_init.isra.10+0x70/0x100 [ 459.164933] ? bpf_prog_test_run_skb+0x762/0xd60 [ 459.169705] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 459.174561] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 459.180102] ? fput+0x130/0x1a0 [ 459.183387] ? __bpf_prog_get+0x9b/0x290 [ 459.187468] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 459.192314] ? bpf_prog_test_run+0x130/0x1a0 [ 459.196724] ? __x64_sys_bpf+0x3d8/0x520 [ 459.200785] ? bpf_prog_get+0x20/0x20 [ 459.204610] ? do_syscall_64+0x1b9/0x820 [ 459.208670] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 459.214036] ? syscall_return_slowpath+0x5e0/0x5e0 [ 459.218965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.223811] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.228829] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 459.233848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 459.238885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.243739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 459.249123] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 459.249275] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 459.256062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.266529] syz-executor2 cpuset=syz2 mems_allowed=0 [ 459.275870] Call Trace: [ 459.283551] dump_stack+0x244/0x39d [ 459.287199] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.292426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.297992] warn_alloc.cold.116+0xb7/0x1bd [ 459.302321] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 459.307169] ? lock_downgrade+0x900/0x900 [ 459.311325] ? trace_hardirqs_off+0xb8/0x310 [ 459.315740] ? trace_hardirqs_off+0xb8/0x310 [ 459.320171] __alloc_pages_slowpath+0x2651/0x2de0 [ 459.325039] ? warn_alloc+0x120/0x120 [ 459.328849] ? warn_alloc+0x120/0x120 [ 459.332657] ? warn_alloc+0x120/0x120 [ 459.336462] ? trace_hardirqs_off+0xb8/0x310 [ 459.340875] ? print_usage_bug+0xc0/0xc0 [ 459.344948] ? print_usage_bug+0xc0/0xc0 [ 459.349029] ? __lock_acquire+0x62f/0x4c20 [ 459.353297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.358836] ? should_fail+0x22d/0xd01 [ 459.362746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.367850] ? __lock_acquire+0x62f/0x4c20 [ 459.372103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.377206] ? __lock_acquire+0x62f/0x4c20 [ 459.381443] ? should_fail+0x22d/0xd01 [ 459.385349] ? mark_held_locks+0x130/0x130 [ 459.389591] ? mark_held_locks+0x130/0x130 [ 459.393837] ? zap_class+0x640/0x640 [ 459.397555] ? ret_from_fork+0x3a/0x50 [ 459.401458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.406997] ? check_preemption_disabled+0x48/0x280 [ 459.412029] ? __lock_is_held+0xb5/0x140 [ 459.416100] __alloc_pages_nodemask+0xad8/0xea0 [ 459.420769] ? zap_class+0x640/0x640 [ 459.424492] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 459.429519] ? find_held_lock+0x36/0x1c0 [ 459.433595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 459.438265] ? lock_downgrade+0x900/0x900 [ 459.442430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.447991] cache_grow_begin+0xa5/0x8c0 [ 459.452050] ? do_raw_spin_unlock+0xa7/0x330 [ 459.456468] fallback_alloc+0x204/0x2e0 [ 459.460449] ____cache_alloc_node+0x1c7/0x1e0 [ 459.464954] kmem_cache_alloc_node+0xe3/0x730 [ 459.469452] ? mark_held_locks+0xc7/0x130 [ 459.473611] __alloc_skb+0x119/0x770 [ 459.477336] ? netdev_alloc_frag+0x1f0/0x1f0 [ 459.481745] ? do_raw_spin_trylock+0x270/0x270 [ 459.486328] ? kmem_cache_alloc_trace+0x353/0x750 [ 459.491180] ? queue_work_on+0x12c/0x1e0 [ 459.495281] ? switchdev_port_obj_del+0xdc/0x440 [ 459.500054] ? switchdev_trans_item_enqueue+0x260/0x260 [ 459.505429] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 459.510463] __br_mdb_notify+0x4ff/0x15d0 [ 459.514616] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 459.519730] ? __br_mdb_add+0x7f0/0x7f0 [ 459.523707] ? mark_held_locks+0x130/0x130 [ 459.527956] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.533080] ? debug_object_assert_init+0x368/0x4b0 [ 459.538097] ? debug_object_init_on_stack+0x20/0x20 [ 459.543116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.548662] br_mdb_notify+0x310/0x410 [ 459.552551] ? br_mdb_dump+0x27b0/0x27b0 [ 459.556632] br_multicast_del_pg+0x3df/0x790 [ 459.561047] ? br_mdb_ip_get+0x940/0x940 [ 459.565110] ? rwlock_bug.part.2+0x90/0x90 [ 459.569350] ? __lock_is_held+0xb5/0x140 [ 459.573430] br_multicast_port_group_expired+0x189/0x1e0 [ 459.578899] call_timer_fn+0x272/0x920 [ 459.582790] ? br_multicast_del_pg+0x790/0x790 [ 459.587386] ? process_timeout+0x40/0x40 [ 459.591465] ? __run_timers+0x7da/0xc70 [ 459.595455] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.599949] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.604446] ? br_multicast_del_pg+0x790/0x790 [ 459.609073] ? lockdep_hardirqs_on+0x296/0x5b0 [ 459.613660] ? trace_hardirqs_on+0xbd/0x310 [ 459.617982] ? kasan_check_read+0x11/0x20 [ 459.622126] ? __run_timers+0x7da/0xc70 [ 459.626107] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.631225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.635476] ? br_multicast_del_pg+0x790/0x790 [ 459.640056] __run_timers+0x7e5/0xc70 [ 459.643867] ? timer_fixup_init+0x70/0x70 [ 459.648020] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.652514] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.657010] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 459.661598] ? trace_hardirqs_on+0xbd/0x310 [ 459.665925] ? kasan_check_read+0x11/0x20 [ 459.670076] ? finish_task_switch+0x1f4/0x910 [ 459.674596] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.679703] ? compat_start_thread+0x80/0x80 [ 459.684137] ? pvclock_read_flags+0x160/0x160 [ 459.688629] ? __switch_to_asm+0x34/0x70 [ 459.692693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.698238] ? check_preemption_disabled+0x48/0x280 [ 459.703269] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 459.708816] ? rcu_pm_notify+0xc0/0xc0 [ 459.712710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.718250] ? check_preemption_disabled+0x48/0x280 [ 459.723275] run_timer_softirq+0x52/0xb0 [ 459.727338] ? rcu_read_lock_sched_held+0x14f/0x180 [ 459.732355] __do_softirq+0x308/0xb7e [ 459.736164] ? retint_kernel+0x2d/0x2d [ 459.740060] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 459.745164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 459.750615] ? retint_kernel+0x2d/0x2d [ 459.754508] ? schedule+0x108/0x460 [ 459.758147] ? trace_hardirqs_off+0xb8/0x310 [ 459.762560] ? smpboot_thread_fn+0x68b/0xa00 [ 459.766972] ? trace_hardirqs_on+0x310/0x310 [ 459.771383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.776939] ? check_preemption_disabled+0x48/0x280 [ 459.781958] ? takeover_tasklets+0xa90/0xa90 [ 459.786369] run_ksoftirqd+0x5e/0x100 [ 459.790181] smpboot_thread_fn+0x68b/0xa00 [ 459.794426] ? sort_range+0x30/0x30 [ 459.798059] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.803195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.808735] ? __kthread_parkme+0xfb/0x1a0 [ 459.812974] ? sort_range+0x30/0x30 [ 459.816602] kthread+0x35a/0x440 [ 459.819973] ? kthread_stop+0x900/0x900 [ 459.823954] ret_from_fork+0x3a/0x50 [ 459.827686] warn_alloc_show_mem: 1 callbacks suppressed [ 459.827699] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 459.827700] Mem-Info: [ 459.827733] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 459.827733] active_file:133 inactive_file:117 isolated_file:0 [ 459.827733] unevictable:0 dirty:3 writeback:0 unstable:0 [ 459.827733] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 459.827733] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 459.827733] free:13727 free_pcp:164 free_cma:0 [ 459.833068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.833077] Call Trace: [ 459.840449] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 459.840458] 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 [ 459.842880] [ 459.876091] lowmem_reserve[]: 0 2818 6321 6321 [ 459.885466] dump_stack+0x244/0x39d [ 459.888025] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 459.915787] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.941863] lowmem_reserve[]: 0 0 3503 3503 [ 459.944028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.948585] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 459.952212] warn_alloc.cold.116+0xb7/0x1bd [ 459.979768] lowmem_reserve[]: 0 0 0 0 [ 459.984971] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 459.989261] 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 [ 459.994795] ? lock_downgrade+0x900/0x900 [ 460.024007] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 460.028334] ? trace_hardirqs_off+0xb8/0x310 [ 460.032103] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 460.036944] ? trace_hardirqs_off+0xb8/0x310 [ 460.050447] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 460.054590] __alloc_pages_slowpath+0x2651/0x2de0 [ 460.069918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 460.074343] ? warn_alloc+0x120/0x120 [ 460.087815] 2220 total pagecache pages [ 460.092220] ? warn_alloc+0x120/0x120 [ 460.101033] 0 pages in swap cache [ 460.105865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 460.114421] Swap cache stats: add 0, delete 0, find 0/0 [ 460.118214] ? warn_alloc+0x120/0x120 [ 460.122077] Free swap = 0kB [ 460.125875] ? print_usage_bug+0xc0/0xc0 [ 460.129300] Total swap = 0kB [ 460.134322] ? print_usage_bug+0xc0/0xc0 [ 460.139662] 1965979 pages RAM [ 460.143460] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 460.146453] 0 pages HighMem/MovableOnly [ 460.150512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.153504] 342854 pages reserved [ 460.157557] ? should_fail+0x22d/0xd01 [ 460.160636] 0 pages cma reserved [ 460.165817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.169909] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 460.175293] ? __lock_acquire+0x62f/0x4c20 [ 460.178721] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 460.182603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.215414] ? should_fail+0x22d/0xd01 [ 460.219336] ? mark_held_locks+0x130/0x130 [ 460.223578] ? mark_held_locks+0x130/0x130 [ 460.227811] ? print_usage_bug+0xc0/0xc0 [ 460.231876] ? find_held_lock+0x36/0x1c0 [ 460.235942] ? zap_class+0x640/0x640 [ 460.239663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.245204] ? check_preemption_disabled+0x48/0x280 [ 460.250235] ? __lock_is_held+0xb5/0x140 [ 460.254302] __alloc_pages_nodemask+0xad8/0xea0 [ 460.258980] ? zap_class+0x640/0x640 [ 460.262716] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 460.267746] ? find_held_lock+0x36/0x1c0 [ 460.271817] ? ____cache_alloc_node+0x1c7/0x1e0 [ 460.276488] ? lock_downgrade+0x900/0x900 [ 460.280647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.286203] cache_grow_begin+0xa5/0x8c0 [ 460.290266] ? do_raw_spin_unlock+0xa7/0x330 [ 460.294686] fallback_alloc+0x204/0x2e0 [ 460.298671] ____cache_alloc_node+0x1c7/0x1e0 [ 460.303172] kmem_cache_alloc_node+0xe3/0x730 [ 460.307675] ? mark_held_locks+0xc7/0x130 [ 460.311837] __alloc_skb+0x119/0x770 [ 460.315558] ? netdev_alloc_frag+0x1f0/0x1f0 [ 460.319966] ? do_raw_spin_trylock+0x270/0x270 [ 460.324549] ? kmem_cache_alloc_trace+0x353/0x750 [ 460.329405] ? queue_work_on+0x12c/0x1e0 [ 460.333525] ? switchdev_port_obj_del+0xdc/0x440 [ 460.338286] ? switchdev_trans_item_enqueue+0x260/0x260 [ 460.343658] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 460.348688] __br_mdb_notify+0x4ff/0x15d0 [ 460.352876] ? __br_mdb_add+0x7f0/0x7f0 [ 460.356859] ? zap_class+0x640/0x640 [ 460.360585] ? br_multicast_group_expired+0x96/0x610 [ 460.365689] ? lock_downgrade+0x900/0x900 [ 460.369841] br_mdb_notify+0x310/0x410 [ 460.373729] ? br_mdb_dump+0x27b0/0x27b0 [ 460.377800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.383349] br_multicast_group_expired+0x1bc/0x610 [ 460.388370] ? br_mdb_free+0x80/0x80 [ 460.392100] call_timer_fn+0x272/0x920 [ 460.395987] ? br_mdb_free+0x80/0x80 [ 460.399702] ? process_timeout+0x40/0x40 [ 460.403770] ? __run_timers+0x7da/0xc70 [ 460.407748] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.412241] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.416740] ? br_mdb_free+0x80/0x80 [ 460.420458] ? lockdep_hardirqs_on+0x296/0x5b0 [ 460.425046] ? trace_hardirqs_on+0xbd/0x310 [ 460.429369] ? kasan_check_read+0x11/0x20 [ 460.433520] ? __run_timers+0x7da/0xc70 [ 460.437501] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.442608] ? br_mdb_free+0x80/0x80 [ 460.446332] ? br_mdb_free+0x80/0x80 [ 460.450047] __run_timers+0x7e5/0xc70 [ 460.453856] ? timer_fixup_init+0x70/0x70 [ 460.458006] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 460.463021] ? zap_class+0x640/0x640 [ 460.466740] ? enqueue_hrtimer+0x1a5/0x560 [ 460.470981] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 460.476177] ? find_held_lock+0x36/0x1c0 [ 460.480248] ? zap_class+0x640/0x640 [ 460.483983] ? pvclock_read_flags+0x160/0x160 [ 460.488479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.494031] ? check_preemption_disabled+0x48/0x280 [ 460.499059] ? __lock_is_held+0xb5/0x140 [ 460.503125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.508680] ? check_preemption_disabled+0x48/0x280 [ 460.513701] run_timer_softirq+0x52/0xb0 [ 460.517762] ? rcu_read_lock_sched_held+0x14f/0x180 [ 460.522783] __do_softirq+0x308/0xb7e [ 460.526588] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 460.531110] ? lock_downgrade+0x900/0x900 [ 460.535268] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 460.540382] ? pvclock_read_flags+0x160/0x160 [ 460.544918] ? lapic_next_event+0x5a/0x90 [ 460.549067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.554609] ? kvm_clock_read+0x18/0x30 [ 460.558588] ? kvm_sched_clock_read+0x9/0x20 [ 460.563000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.568543] ? check_preemption_disabled+0x48/0x280 [ 460.573570] irq_exit+0x17f/0x1c0 [ 460.577030] smp_apic_timer_interrupt+0x1cb/0x760 [ 460.581891] ? smp_reschedule_interrupt+0x109/0x650 [ 460.586920] ? smp_call_function_single_interrupt+0x650/0x650 [ 460.592828] ? interrupt_entry+0xb5/0xc0 [ 460.596905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 460.601922] ? trace_hardirqs_off_caller+0xbb/0x310 [ 460.606949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.611793] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.616809] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.621828] ? task_prio+0x50/0x50 [ 460.625376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.630921] ? check_preemption_disabled+0x48/0x280 [ 460.635946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.640798] apic_timer_interrupt+0xf/0x20 [ 460.645029] [ 460.647296] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 460.652239] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 460.671137] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 460.678845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 460.686113] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 460.693379] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 460.700656] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 460.707937] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 460.715261] skb_clone+0x1bb/0x500 [ 460.718806] ? skb_split+0x11e0/0x11e0 [ 460.722710] ? preempt_notifier_register+0x200/0x200 [ 460.727812] ? __switch_to_asm+0x34/0x70 [ 460.731873] ? __switch_to_asm+0x34/0x70 [ 460.735931] ? __switch_to_asm+0x40/0x70 [ 460.739991] ? __switch_to_asm+0x34/0x70 [ 460.744051] ? __switch_to_asm+0x40/0x70 [ 460.748112] ? __switch_to_asm+0x40/0x70 [ 460.752172] ? __switch_to_asm+0x34/0x70 [ 460.756232] ? __switch_to_asm+0x34/0x70 [ 460.760290] ? __switch_to_asm+0x40/0x70 [ 460.764354] ? __switch_to_asm+0x34/0x70 [ 460.768438] bpf_clone_redirect+0xb9/0x490 [ 460.772683] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 460.777706] ? __sched_text_start+0x8/0x8 [ 460.781854] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 460.786623] ? find_held_lock+0x36/0x1c0 [ 460.790697] ? lock_acquire+0x1ed/0x520 [ 460.794675] ? bpf_test_run+0x3ee/0x7a0 [ 460.798653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.804212] ? check_preemption_disabled+0x48/0x280 [ 460.809274] ? kasan_check_read+0x11/0x20 [ 460.813444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.818724] ? rcu_softirq_qs+0x20/0x20 [ 460.822702] ? preempt_schedule+0x4d/0x60 [ 460.826852] ? ___preempt_schedule+0x16/0x18 [ 460.831274] ? bpf_test_run+0x271/0x7a0 [ 460.835278] ? netlink_diag_dump+0x2a0/0x2a0 [ 460.839710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.845252] ? bpf_test_init.isra.10+0x70/0x100 [ 460.849955] ? bpf_prog_test_run_skb+0x762/0xd60 [ 460.854723] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 460.859575] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 460.865114] ? fput+0x130/0x1a0 [ 460.868411] ? __bpf_prog_get+0x9b/0x290 [ 460.872484] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 460.877332] ? bpf_prog_test_run+0x130/0x1a0 [ 460.881743] ? __x64_sys_bpf+0x3d8/0x520 [ 460.885810] ? bpf_prog_get+0x20/0x20 [ 460.889638] ? do_syscall_64+0x1b9/0x820 [ 460.893701] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 460.899072] ? syscall_return_slowpath+0x5e0/0x5e0 [ 460.904029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.908939] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.913961] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 460.918977] ? prepare_exit_to_usermode+0x291/0x3b0 [ 460.924017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.928888] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 460.934271] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 460.934441] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 460.941209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 460.951680] syz-executor2 cpuset=syz2 mems_allowed=0 [ 460.961017] Call Trace: [ 460.968685] dump_stack+0x244/0x39d [ 460.972320] ? dump_stack_print_info.cold.1+0x20/0x20 [ 460.977519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.983068] warn_alloc.cold.116+0xb7/0x1bd [ 460.987391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 460.992250] ? lock_downgrade+0x900/0x900 [ 460.996417] ? trace_hardirqs_off+0xb8/0x310 [ 461.000866] ? trace_hardirqs_off+0xb8/0x310 [ 461.005291] __alloc_pages_slowpath+0x2651/0x2de0 [ 461.010163] ? warn_alloc+0x120/0x120 [ 461.013988] ? warn_alloc+0x120/0x120 [ 461.017796] ? warn_alloc+0x120/0x120 [ 461.021598] ? trace_hardirqs_off+0xb8/0x310 [ 461.026014] ? print_usage_bug+0xc0/0xc0 [ 461.030085] ? print_usage_bug+0xc0/0xc0 [ 461.034158] ? __lock_acquire+0x62f/0x4c20 [ 461.038395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.043971] ? should_fail+0x22d/0xd01 [ 461.047866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.052985] ? __lock_acquire+0x62f/0x4c20 [ 461.057246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.062487] ? __lock_acquire+0x62f/0x4c20 [ 461.066722] ? should_fail+0x22d/0xd01 [ 461.070625] ? mark_held_locks+0x130/0x130 [ 461.074901] ? mark_held_locks+0x130/0x130 [ 461.079152] ? zap_class+0x640/0x640 [ 461.082867] ? ret_from_fork+0x3a/0x50 [ 461.086758] ? __lock_acquire+0x62f/0x4c20 [ 461.091001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.096539] ? check_preemption_disabled+0x48/0x280 [ 461.101567] ? __lock_is_held+0xb5/0x140 [ 461.105637] __alloc_pages_nodemask+0xad8/0xea0 [ 461.110330] ? zap_class+0x640/0x640 [ 461.114064] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 461.119096] ? find_held_lock+0x36/0x1c0 [ 461.123167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.127857] ? lock_downgrade+0x900/0x900 [ 461.132015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.137586] cache_grow_begin+0xa5/0x8c0 [ 461.141647] ? do_raw_spin_unlock+0xa7/0x330 [ 461.146066] fallback_alloc+0x204/0x2e0 [ 461.150049] ____cache_alloc_node+0x1c7/0x1e0 [ 461.154550] kmem_cache_alloc_node+0xe3/0x730 [ 461.159050] ? mark_held_locks+0xc7/0x130 [ 461.163211] __alloc_skb+0x119/0x770 [ 461.166939] ? netdev_alloc_frag+0x1f0/0x1f0 [ 461.171351] ? do_raw_spin_trylock+0x270/0x270 [ 461.175943] ? kmem_cache_alloc_trace+0x353/0x750 [ 461.180792] ? queue_work_on+0x12c/0x1e0 [ 461.184862] ? switchdev_port_obj_del+0xdc/0x440 [ 461.189622] ? switchdev_trans_item_enqueue+0x260/0x260 [ 461.194996] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 461.200022] __br_mdb_notify+0x4ff/0x15d0 [ 461.204178] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.209297] ? __br_mdb_add+0x7f0/0x7f0 [ 461.213274] ? mark_held_locks+0x130/0x130 [ 461.217516] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.222623] ? debug_object_assert_init+0x368/0x4b0 [ 461.227644] ? debug_object_init_on_stack+0x20/0x20 [ 461.232667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.238214] br_mdb_notify+0x310/0x410 [ 461.242107] ? br_mdb_dump+0x27b0/0x27b0 [ 461.246186] br_multicast_del_pg+0x3df/0x790 [ 461.250602] ? br_mdb_ip_get+0x940/0x940 [ 461.254663] ? rwlock_bug.part.2+0x90/0x90 [ 461.258906] ? __lock_is_held+0xb5/0x140 [ 461.263018] br_multicast_port_group_expired+0x189/0x1e0 [ 461.268486] call_timer_fn+0x272/0x920 [ 461.272381] ? br_multicast_del_pg+0x790/0x790 [ 461.276989] ? process_timeout+0x40/0x40 [ 461.281089] ? __run_timers+0x7da/0xc70 [ 461.285070] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.289563] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.294095] ? br_multicast_del_pg+0x790/0x790 [ 461.298693] ? lockdep_hardirqs_on+0x296/0x5b0 [ 461.303276] ? trace_hardirqs_on+0xbd/0x310 [ 461.307601] ? kasan_check_read+0x11/0x20 [ 461.311747] ? __run_timers+0x7da/0xc70 [ 461.315724] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.320834] ? br_multicast_del_pg+0x790/0x790 [ 461.325435] ? br_multicast_del_pg+0x790/0x790 [ 461.330014] __run_timers+0x7e5/0xc70 [ 461.333829] ? timer_fixup_init+0x70/0x70 [ 461.337980] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.342482] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.346988] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 461.351578] ? trace_hardirqs_on+0xbd/0x310 [ 461.355900] ? kasan_check_read+0x11/0x20 [ 461.360061] ? finish_task_switch+0x1f4/0x910 [ 461.364558] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.369666] ? compat_start_thread+0x80/0x80 [ 461.374101] ? pvclock_read_flags+0x160/0x160 [ 461.378595] ? __switch_to_asm+0x34/0x70 [ 461.382662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.388204] ? check_preemption_disabled+0x48/0x280 [ 461.393264] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 461.398820] ? rcu_pm_notify+0xc0/0xc0 [ 461.402708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.408249] ? check_preemption_disabled+0x48/0x280 [ 461.413271] run_timer_softirq+0x52/0xb0 [ 461.417333] ? rcu_read_lock_sched_held+0x14f/0x180 [ 461.422352] __do_softirq+0x308/0xb7e [ 461.426155] ? retint_kernel+0x2d/0x2d [ 461.430051] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 461.435168] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 461.440621] ? retint_kernel+0x2d/0x2d [ 461.444513] ? schedule+0x108/0x460 [ 461.448152] ? trace_hardirqs_off+0xb8/0x310 [ 461.452565] ? smpboot_thread_fn+0x68b/0xa00 [ 461.456974] ? trace_hardirqs_on+0x310/0x310 [ 461.461389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.466950] ? check_preemption_disabled+0x48/0x280 [ 461.471974] ? takeover_tasklets+0xa90/0xa90 [ 461.476383] run_ksoftirqd+0x5e/0x100 [ 461.480194] smpboot_thread_fn+0x68b/0xa00 [ 461.484442] ? sort_range+0x30/0x30 [ 461.488073] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.493175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.498730] ? __kthread_parkme+0xfb/0x1a0 [ 461.502971] ? sort_range+0x30/0x30 [ 461.506597] kthread+0x35a/0x440 [ 461.509967] ? kthread_stop+0x900/0x900 [ 461.513945] ret_from_fork+0x3a/0x50 [ 461.517689] warn_alloc_show_mem: 1 callbacks suppressed [ 461.517702] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 461.517704] Mem-Info: [ 461.517736] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 461.517736] active_file:133 inactive_file:117 isolated_file:0 [ 461.517736] unevictable:0 dirty:3 writeback:0 unstable:0 [ 461.517736] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 461.517736] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 461.517736] free:13727 free_pcp:164 free_cma:0 [ 461.523075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.530449] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 461.532847] Call Trace: [ 461.566062] 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 [ 461.575415] [ 461.603161] lowmem_reserve[]: 0 2818 6321 6321 [ 461.605746] dump_stack+0x244/0x39d [ 461.631828] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 461.633980] ? dump_stack_print_info.cold.1+0x20/0x20 [ 461.638529] lowmem_reserve[]: 0 0 3503 3503 [ 461.642165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.669721] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 461.674914] warn_alloc.cold.116+0xb7/0x1bd [ 461.679209] lowmem_reserve[]: 0 0 0 0 [ 461.684739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 461.713954] 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 [ 461.718273] ? lock_downgrade+0x900/0x900 [ 461.722044] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 461.726882] ? trace_hardirqs_off+0xb8/0x310 [ 461.740379] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 461.744532] ? trace_hardirqs_off+0xb8/0x310 [ 461.759859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 461.764275] __alloc_pages_slowpath+0x2651/0x2de0 [ 461.777771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 461.782197] ? warn_alloc+0x120/0x120 [ 461.790988] 2220 total pagecache pages [ 461.795825] ? warn_alloc+0x120/0x120 [ 461.804384] 0 pages in swap cache [ 461.808184] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 461.812051] Swap cache stats: add 0, delete 0, find 0/0 [ 461.815841] ? warn_alloc+0x120/0x120 [ 461.819270] Free swap = 0kB [ 461.824279] ? print_usage_bug+0xc0/0xc0 [ 461.829622] Total swap = 0kB [ 461.833427] ? print_usage_bug+0xc0/0xc0 [ 461.836427] 1965979 pages RAM [ 461.840483] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 461.843473] 0 pages HighMem/MovableOnly [ 461.843482] 342854 pages reserved [ 461.847542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.850622] 0 pages cma reserved [ 461.855808] ? should_fail+0x22d/0xd01 [ 461.859930] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 461.863201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.868712] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 461.872075] ? __lock_acquire+0x62f/0x4c20 [ 461.900231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.905334] ? should_fail+0x22d/0xd01 [ 461.909233] ? mark_held_locks+0x130/0x130 [ 461.913471] ? mark_held_locks+0x130/0x130 [ 461.917708] ? print_usage_bug+0xc0/0xc0 [ 461.921793] ? find_held_lock+0x36/0x1c0 [ 461.925870] ? zap_class+0x640/0x640 [ 461.929608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.935149] ? check_preemption_disabled+0x48/0x280 [ 461.940181] ? __lock_is_held+0xb5/0x140 [ 461.944252] __alloc_pages_nodemask+0xad8/0xea0 [ 461.948923] ? zap_class+0x640/0x640 [ 461.952646] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 461.957678] ? find_held_lock+0x36/0x1c0 [ 461.961752] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.966435] ? lock_downgrade+0x900/0x900 [ 461.970598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.976145] cache_grow_begin+0xa5/0x8c0 [ 461.980209] ? do_raw_spin_unlock+0xa7/0x330 [ 461.984625] fallback_alloc+0x204/0x2e0 [ 461.988609] ____cache_alloc_node+0x1c7/0x1e0 [ 461.993113] kmem_cache_alloc_node+0xe3/0x730 [ 461.997608] ? mark_held_locks+0xc7/0x130 [ 462.001766] __alloc_skb+0x119/0x770 [ 462.005496] ? netdev_alloc_frag+0x1f0/0x1f0 [ 462.009908] ? do_raw_spin_trylock+0x270/0x270 [ 462.014493] ? kmem_cache_alloc_trace+0x353/0x750 [ 462.019342] ? queue_work_on+0x12c/0x1e0 [ 462.023431] ? switchdev_port_obj_del+0xdc/0x440 [ 462.028195] ? switchdev_trans_item_enqueue+0x260/0x260 [ 462.033563] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 462.038592] __br_mdb_notify+0x4ff/0x15d0 [ 462.042753] ? __br_mdb_add+0x7f0/0x7f0 [ 462.046742] ? zap_class+0x640/0x640 [ 462.050471] ? br_multicast_group_expired+0x96/0x610 [ 462.055575] ? lock_downgrade+0x900/0x900 [ 462.059727] br_mdb_notify+0x310/0x410 [ 462.063620] ? br_mdb_dump+0x27b0/0x27b0 [ 462.067687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.073234] br_multicast_group_expired+0x1bc/0x610 [ 462.078259] ? br_mdb_free+0x80/0x80 [ 462.081983] call_timer_fn+0x272/0x920 [ 462.085877] ? br_mdb_free+0x80/0x80 [ 462.089593] ? process_timeout+0x40/0x40 [ 462.093664] ? __run_timers+0x7da/0xc70 [ 462.097645] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.102139] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.106633] ? br_mdb_free+0x80/0x80 [ 462.110355] ? lockdep_hardirqs_on+0x296/0x5b0 [ 462.114938] ? trace_hardirqs_on+0xbd/0x310 [ 462.119262] ? kasan_check_read+0x11/0x20 [ 462.123416] ? __run_timers+0x7da/0xc70 [ 462.127433] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.132544] ? br_mdb_free+0x80/0x80 [ 462.136268] ? br_mdb_free+0x80/0x80 [ 462.139981] __run_timers+0x7e5/0xc70 [ 462.143793] ? timer_fixup_init+0x70/0x70 [ 462.147949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 462.152967] ? zap_class+0x640/0x640 [ 462.156686] ? enqueue_hrtimer+0x1a5/0x560 [ 462.160929] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 462.166128] ? find_held_lock+0x36/0x1c0 [ 462.170200] ? zap_class+0x640/0x640 [ 462.173935] ? pvclock_read_flags+0x160/0x160 [ 462.178442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.183987] ? check_preemption_disabled+0x48/0x280 [ 462.189014] ? __lock_is_held+0xb5/0x140 [ 462.193080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.198650] ? check_preemption_disabled+0x48/0x280 [ 462.203675] run_timer_softirq+0x52/0xb0 [ 462.207741] ? rcu_read_lock_sched_held+0x14f/0x180 [ 462.212762] __do_softirq+0x308/0xb7e [ 462.216567] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 462.221075] ? lock_downgrade+0x900/0x900 [ 462.225242] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 462.230366] ? pvclock_read_flags+0x160/0x160 [ 462.234870] ? lapic_next_event+0x5a/0x90 [ 462.239026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.244574] ? kvm_clock_read+0x18/0x30 [ 462.248551] ? kvm_sched_clock_read+0x9/0x20 [ 462.252960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.258504] ? check_preemption_disabled+0x48/0x280 [ 462.263529] irq_exit+0x17f/0x1c0 [ 462.266999] smp_apic_timer_interrupt+0x1cb/0x760 [ 462.271848] ? smp_reschedule_interrupt+0x109/0x650 [ 462.276867] ? smp_call_function_single_interrupt+0x650/0x650 [ 462.282754] ? interrupt_entry+0xb5/0xc0 [ 462.286824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.291843] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.296861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.301708] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.306724] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.311741] ? task_prio+0x50/0x50 [ 462.315285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.320829] ? check_preemption_disabled+0x48/0x280 [ 462.325854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.330707] apic_timer_interrupt+0xf/0x20 [ 462.334936] [ 462.337180] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 462.342115] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 462.361014] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 462.368720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 462.375988] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 462.383255] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 462.390521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 462.397788] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 462.405097] skb_clone+0x1bb/0x500 [ 462.408642] ? skb_split+0x11e0/0x11e0 [ 462.412534] ? preempt_notifier_register+0x200/0x200 [ 462.417638] ? __switch_to_asm+0x34/0x70 [ 462.421698] ? __switch_to_asm+0x34/0x70 [ 462.425760] ? __switch_to_asm+0x40/0x70 [ 462.429820] ? __switch_to_asm+0x34/0x70 [ 462.433876] ? __switch_to_asm+0x40/0x70 [ 462.437934] ? __switch_to_asm+0x40/0x70 [ 462.441994] ? __switch_to_asm+0x34/0x70 [ 462.446056] ? __switch_to_asm+0x34/0x70 [ 462.450119] ? __switch_to_asm+0x40/0x70 [ 462.454177] ? __switch_to_asm+0x34/0x70 [ 462.458244] bpf_clone_redirect+0xb9/0x490 [ 462.462505] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 462.467529] ? __sched_text_start+0x8/0x8 [ 462.471683] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 462.476460] ? find_held_lock+0x36/0x1c0 [ 462.480533] ? lock_acquire+0x1ed/0x520 [ 462.484508] ? bpf_test_run+0x3ee/0x7a0 [ 462.488494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.494035] ? check_preemption_disabled+0x48/0x280 [ 462.499061] ? kasan_check_read+0x11/0x20 [ 462.503209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.508488] ? rcu_softirq_qs+0x20/0x20 [ 462.512467] ? preempt_schedule+0x4d/0x60 [ 462.516615] ? ___preempt_schedule+0x16/0x18 [ 462.521036] ? bpf_test_run+0x271/0x7a0 [ 462.525026] ? netlink_diag_dump+0x2a0/0x2a0 [ 462.529445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.534986] ? bpf_test_init.isra.10+0x70/0x100 [ 462.539660] ? bpf_prog_test_run_skb+0x762/0xd60 [ 462.544439] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 462.549293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 462.554835] ? fput+0x130/0x1a0 [ 462.558119] ? __bpf_prog_get+0x9b/0x290 [ 462.562187] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 462.567030] ? bpf_prog_test_run+0x130/0x1a0 [ 462.571451] ? __x64_sys_bpf+0x3d8/0x520 [ 462.575515] ? bpf_prog_get+0x20/0x20 [ 462.579338] ? do_syscall_64+0x1b9/0x820 [ 462.583427] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 462.588800] ? syscall_return_slowpath+0x5e0/0x5e0 [ 462.593731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.598579] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.603597] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 462.608615] ? prepare_exit_to_usermode+0x291/0x3b0 [ 462.613636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.618490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 462.623877] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 462.624035] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 462.630819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.641285] syz-executor2 cpuset=syz2 mems_allowed=0 [ 462.650627] Call Trace: [ 462.658296] dump_stack+0x244/0x39d [ 462.661938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 462.667136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.672683] warn_alloc.cold.116+0xb7/0x1bd [ 462.677008] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 462.681856] ? lock_downgrade+0x900/0x900 [ 462.686013] ? trace_hardirqs_off+0xb8/0x310 [ 462.690434] ? trace_hardirqs_off+0xb8/0x310 [ 462.694856] __alloc_pages_slowpath+0x2651/0x2de0 [ 462.699779] ? warn_alloc+0x120/0x120 [ 462.703584] ? warn_alloc+0x120/0x120 [ 462.707391] ? warn_alloc+0x120/0x120 [ 462.711210] ? trace_hardirqs_off+0xb8/0x310 [ 462.715625] ? print_usage_bug+0xc0/0xc0 [ 462.719694] ? print_usage_bug+0xc0/0xc0 [ 462.723766] ? __lock_acquire+0x62f/0x4c20 [ 462.728006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.733545] ? should_fail+0x22d/0xd01 [ 462.737440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.742545] ? __lock_acquire+0x62f/0x4c20 [ 462.746787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.751888] ? __lock_acquire+0x62f/0x4c20 [ 462.756125] ? should_fail+0x22d/0xd01 [ 462.760027] ? mark_held_locks+0x130/0x130 [ 462.764271] ? mark_held_locks+0x130/0x130 [ 462.768518] ? zap_class+0x640/0x640 [ 462.772233] ? ret_from_fork+0x3a/0x50 [ 462.776120] ? __lock_acquire+0x62f/0x4c20 [ 462.780357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.785898] ? check_preemption_disabled+0x48/0x280 [ 462.791014] ? __lock_is_held+0xb5/0x140 [ 462.795086] __alloc_pages_nodemask+0xad8/0xea0 [ 462.799757] ? zap_class+0x640/0x640 [ 462.803475] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 462.808515] ? find_held_lock+0x36/0x1c0 [ 462.812586] ? ____cache_alloc_node+0x1c7/0x1e0 [ 462.817265] ? lock_downgrade+0x900/0x900 [ 462.821431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.826979] cache_grow_begin+0xa5/0x8c0 [ 462.831045] ? do_raw_spin_unlock+0xa7/0x330 [ 462.835462] fallback_alloc+0x204/0x2e0 [ 462.839444] ____cache_alloc_node+0x1c7/0x1e0 [ 462.843956] kmem_cache_alloc_node+0xe3/0x730 [ 462.848454] ? mark_held_locks+0xc7/0x130 [ 462.852613] __alloc_skb+0x119/0x770 [ 462.856336] ? netdev_alloc_frag+0x1f0/0x1f0 [ 462.860744] ? do_raw_spin_trylock+0x270/0x270 [ 462.865330] ? kmem_cache_alloc_trace+0x353/0x750 [ 462.870179] ? queue_work_on+0x12c/0x1e0 [ 462.874251] ? switchdev_port_obj_del+0xdc/0x440 [ 462.879009] ? switchdev_trans_item_enqueue+0x260/0x260 [ 462.884378] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 462.889434] __br_mdb_notify+0x4ff/0x15d0 [ 462.893587] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.898702] ? __br_mdb_add+0x7f0/0x7f0 [ 462.902679] ? mark_held_locks+0x130/0x130 [ 462.906925] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.912035] ? debug_object_assert_init+0x368/0x4b0 [ 462.917061] ? debug_object_init_on_stack+0x20/0x20 [ 462.922083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.927629] br_mdb_notify+0x310/0x410 [ 462.931528] ? br_mdb_dump+0x27b0/0x27b0 [ 462.935611] br_multicast_del_pg+0x3df/0x790 [ 462.940027] ? br_mdb_ip_get+0x940/0x940 [ 462.944094] ? rwlock_bug.part.2+0x90/0x90 [ 462.948334] ? __lock_is_held+0xb5/0x140 [ 462.952413] br_multicast_port_group_expired+0x189/0x1e0 [ 462.957872] call_timer_fn+0x272/0x920 [ 462.961766] ? br_multicast_del_pg+0x790/0x790 [ 462.966349] ? process_timeout+0x40/0x40 [ 462.970426] ? __run_timers+0x7da/0xc70 [ 462.974428] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.978933] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.983461] ? br_multicast_del_pg+0x790/0x790 [ 462.988044] ? lockdep_hardirqs_on+0x296/0x5b0 [ 462.992633] ? trace_hardirqs_on+0xbd/0x310 [ 462.996956] ? kasan_check_read+0x11/0x20 [ 463.001117] ? __run_timers+0x7da/0xc70 [ 463.005098] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.010207] ? br_multicast_del_pg+0x790/0x790 [ 463.014797] ? br_multicast_del_pg+0x790/0x790 [ 463.019378] __run_timers+0x7e5/0xc70 [ 463.023198] ? timer_fixup_init+0x70/0x70 [ 463.027353] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.031852] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.036354] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 463.040943] ? trace_hardirqs_on+0xbd/0x310 [ 463.045269] ? kasan_check_read+0x11/0x20 [ 463.049430] ? finish_task_switch+0x1f4/0x910 [ 463.053932] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.059036] ? compat_start_thread+0x80/0x80 [ 463.063605] ? pvclock_read_flags+0x160/0x160 [ 463.068102] ? __switch_to_asm+0x34/0x70 [ 463.072168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.077721] ? check_preemption_disabled+0x48/0x280 [ 463.082752] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 463.088296] ? rcu_pm_notify+0xc0/0xc0 [ 463.092190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.097733] ? check_preemption_disabled+0x48/0x280 [ 463.102764] run_timer_softirq+0x52/0xb0 [ 463.106827] ? rcu_read_lock_sched_held+0x14f/0x180 [ 463.111846] __do_softirq+0x308/0xb7e [ 463.115654] ? retint_kernel+0x2d/0x2d [ 463.119546] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 463.124653] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 463.130107] ? retint_kernel+0x2d/0x2d [ 463.134004] ? schedule+0x108/0x460 [ 463.137644] ? trace_hardirqs_off+0xb8/0x310 [ 463.142062] ? smpboot_thread_fn+0x68b/0xa00 [ 463.146478] ? trace_hardirqs_on+0x310/0x310 [ 463.150891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.156455] ? check_preemption_disabled+0x48/0x280 [ 463.161473] ? takeover_tasklets+0xa90/0xa90 [ 463.165883] run_ksoftirqd+0x5e/0x100 [ 463.169684] smpboot_thread_fn+0x68b/0xa00 [ 463.173974] ? sort_range+0x30/0x30 [ 463.177606] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.182711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.188269] ? __kthread_parkme+0xfb/0x1a0 [ 463.192511] ? sort_range+0x30/0x30 [ 463.196139] kthread+0x35a/0x440 [ 463.199509] ? kthread_stop+0x900/0x900 [ 463.203486] ret_from_fork+0x3a/0x50 [ 463.207214] warn_alloc_show_mem: 1 callbacks suppressed [ 463.207227] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 463.207229] Mem-Info: [ 463.207261] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 463.207261] active_file:133 inactive_file:117 isolated_file:0 [ 463.207261] unevictable:0 dirty:3 writeback:0 unstable:0 [ 463.207261] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 463.207261] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 463.207261] free:13727 free_pcp:164 free_cma:0 [ 463.212602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.219966] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 463.222365] Call Trace: [ 463.255578] 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 [ 463.264928] [ 463.292669] lowmem_reserve[]: 0 2818 6321 6321 [ 463.295281] dump_stack+0x244/0x39d [ 463.321362] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 463.323509] ? dump_stack_print_info.cold.1+0x20/0x20 [ 463.328060] lowmem_reserve[]: 0 0 3503 3503 [ 463.331685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.359242] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 463.364441] warn_alloc.cold.116+0xb7/0x1bd [ 463.368725] lowmem_reserve[]: 0 0 0 0 [ 463.374259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 463.403472] 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 [ 463.407792] ? lock_downgrade+0x900/0x900 [ 463.411568] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 463.416414] ? trace_hardirqs_off+0xb8/0x310 [ 463.429925] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 463.434063] ? trace_hardirqs_off+0xb8/0x310 [ 463.449388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 463.453797] __alloc_pages_slowpath+0x2651/0x2de0 [ 463.467312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 463.471760] ? warn_alloc+0x120/0x120 [ 463.480552] 2220 total pagecache pages [ 463.485385] ? warn_alloc+0x120/0x120 [ 463.493955] 0 pages in swap cache [ 463.497744] ? zap_class+0x640/0x640 [ 463.501613] Swap cache stats: add 0, delete 0, find 0/0 [ 463.505413] ? warn_alloc+0x120/0x120 [ 463.508840] Free swap = 0kB [ 463.512548] ? print_usage_bug+0xc0/0xc0 [ 463.517886] Total swap = 0kB [ 463.517894] 1965979 pages RAM [ 463.521690] ? print_usage_bug+0xc0/0xc0 [ 463.524687] 0 pages HighMem/MovableOnly [ 463.528740] ? __lock_is_held+0xb5/0x140 [ 463.531738] 342854 pages reserved [ 463.534842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.538879] 0 pages cma reserved [ 463.542845] ? should_fail+0x22d/0xd01 [ 463.547031] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 463.550321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.555836] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 463.559199] ? __lock_acquire+0x62f/0x4c20 [ 463.587330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.592443] ? __lock_acquire+0x62f/0x4c20 [ 463.596679] ? should_fail+0x22d/0xd01 [ 463.600580] ? mark_held_locks+0x130/0x130 [ 463.604819] ? mark_held_locks+0x130/0x130 [ 463.609088] ? __enqueue_entity+0x10d/0x1f0 [ 463.613427] ? zap_class+0x640/0x640 [ 463.617142] ? print_usage_bug+0xc0/0xc0 [ 463.621204] ? __lock_acquire+0x62f/0x4c20 [ 463.625457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.631002] ? check_preemption_disabled+0x48/0x280 [ 463.636028] ? __lock_is_held+0xb5/0x140 [ 463.640113] __alloc_pages_nodemask+0xad8/0xea0 [ 463.644789] ? zap_class+0x640/0x640 [ 463.648510] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 463.653542] ? find_held_lock+0x36/0x1c0 [ 463.657615] ? ____cache_alloc_node+0x1c7/0x1e0 [ 463.662287] ? lock_downgrade+0x900/0x900 [ 463.666448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.671994] cache_grow_begin+0xa5/0x8c0 [ 463.676072] ? do_raw_spin_unlock+0xa7/0x330 [ 463.680489] fallback_alloc+0x204/0x2e0 [ 463.684472] ____cache_alloc_node+0x1c7/0x1e0 [ 463.688974] kmem_cache_alloc_node+0xe3/0x730 [ 463.693471] ? ipv6_get_ifaddr+0x42e/0x620 [ 463.697721] __alloc_skb+0x119/0x770 [ 463.701461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.706743] ? netdev_alloc_frag+0x1f0/0x1f0 [ 463.711154] ? lock_downgrade+0x900/0x900 [ 463.715314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.720856] ? refcount_sub_and_test_checked+0x203/0x310 [ 463.726325] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 463.731781] ? addrconf_rs_timer+0x690/0x690 [ 463.736205] ndisc_alloc_skb+0x144/0x340 [ 463.740274] ndisc_send_rs+0x331/0x6e0 [ 463.744168] addrconf_rs_timer+0x314/0x690 [ 463.748427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.752679] call_timer_fn+0x272/0x920 [ 463.756572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.760813] ? process_timeout+0x40/0x40 [ 463.764883] ? __run_timers+0x7da/0xc70 [ 463.768859] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.773353] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.777850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.782089] ? lockdep_hardirqs_on+0x296/0x5b0 [ 463.786676] ? trace_hardirqs_on+0xbd/0x310 [ 463.790997] ? kasan_check_read+0x11/0x20 [ 463.795160] ? __run_timers+0x7da/0xc70 [ 463.799141] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.804249] ? __next_timer_interrupt+0x1a0/0x1a0 [ 463.809097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.813334] __run_timers+0x7e5/0xc70 [ 463.817150] ? timer_fixup_init+0x70/0x70 [ 463.821305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 463.826327] ? zap_class+0x640/0x640 [ 463.830044] ? enqueue_hrtimer+0x1a5/0x560 [ 463.834281] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 463.839480] ? find_held_lock+0x36/0x1c0 [ 463.843549] ? zap_class+0x640/0x640 [ 463.847270] ? pvclock_read_flags+0x160/0x160 [ 463.851769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.857307] ? check_preemption_disabled+0x48/0x280 [ 463.862332] ? __lock_is_held+0xb5/0x140 [ 463.866408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.871954] ? check_preemption_disabled+0x48/0x280 [ 463.876975] run_timer_softirq+0x52/0xb0 [ 463.881038] ? rcu_read_lock_sched_held+0x14f/0x180 [ 463.886055] __do_softirq+0x308/0xb7e [ 463.889864] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 463.894357] ? lock_downgrade+0x900/0x900 [ 463.898510] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 463.903623] ? pvclock_read_flags+0x160/0x160 [ 463.908129] ? lapic_next_event+0x5a/0x90 [ 463.912279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.917822] ? kvm_clock_read+0x18/0x30 [ 463.921795] ? kvm_sched_clock_read+0x9/0x20 [ 463.926210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.931756] ? check_preemption_disabled+0x48/0x280 [ 463.936781] irq_exit+0x17f/0x1c0 [ 463.940236] smp_apic_timer_interrupt+0x1cb/0x760 [ 463.945082] ? smp_reschedule_interrupt+0x109/0x650 [ 463.950101] ? smp_call_function_single_interrupt+0x650/0x650 [ 463.955985] ? interrupt_entry+0xb5/0xc0 [ 463.960049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.965064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.970080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.974927] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.979943] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.984965] ? task_prio+0x50/0x50 [ 463.988507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.994049] ? check_preemption_disabled+0x48/0x280 [ 463.999073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.003924] apic_timer_interrupt+0xf/0x20 [ 464.008168] [ 464.010416] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 464.015358] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 464.034268] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 464.041974] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 464.049246] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 464.056519] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 464.063789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 464.071055] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 464.078367] skb_clone+0x1bb/0x500 [ 464.081939] ? skb_split+0x11e0/0x11e0 [ 464.085839] ? preempt_notifier_register+0x200/0x200 [ 464.090966] ? __switch_to_asm+0x34/0x70 [ 464.095043] ? __switch_to_asm+0x34/0x70 [ 464.099101] ? __switch_to_asm+0x40/0x70 [ 464.103161] ? __switch_to_asm+0x34/0x70 [ 464.107220] ? __switch_to_asm+0x40/0x70 [ 464.111281] ? __switch_to_asm+0x40/0x70 [ 464.115339] ? __switch_to_asm+0x34/0x70 [ 464.119408] ? __switch_to_asm+0x34/0x70 [ 464.123478] ? __switch_to_asm+0x40/0x70 [ 464.127538] ? __switch_to_asm+0x34/0x70 [ 464.131609] bpf_clone_redirect+0xb9/0x490 [ 464.135893] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 464.140918] ? __sched_text_start+0x8/0x8 [ 464.145076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 464.149846] ? find_held_lock+0x36/0x1c0 [ 464.153919] ? lock_acquire+0x1ed/0x520 [ 464.157895] ? bpf_test_run+0x3ee/0x7a0 [ 464.161873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.167426] ? check_preemption_disabled+0x48/0x280 [ 464.172467] ? kasan_check_read+0x11/0x20 [ 464.176615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.181894] ? rcu_softirq_qs+0x20/0x20 [ 464.185873] ? preempt_schedule+0x4d/0x60 [ 464.190022] ? ___preempt_schedule+0x16/0x18 [ 464.194560] ? bpf_test_run+0x271/0x7a0 [ 464.198551] ? netlink_diag_dump+0x2a0/0x2a0 [ 464.202970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.208508] ? bpf_test_init.isra.10+0x70/0x100 [ 464.213185] ? bpf_prog_test_run_skb+0x762/0xd60 [ 464.217950] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 464.222805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 464.228343] ? fput+0x130/0x1a0 [ 464.231631] ? __bpf_prog_get+0x9b/0x290 [ 464.235700] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 464.240544] ? bpf_prog_test_run+0x130/0x1a0 [ 464.244957] ? __x64_sys_bpf+0x3d8/0x520 [ 464.249022] ? bpf_prog_get+0x20/0x20 [ 464.252848] ? do_syscall_64+0x1b9/0x820 [ 464.256912] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 464.262280] ? syscall_return_slowpath+0x5e0/0x5e0 [ 464.267213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.272061] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.277079] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 464.282097] ? prepare_exit_to_usermode+0x291/0x3b0 [ 464.287120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.291970] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 464.297354] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 464.297437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 464.304291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.304297] Call Trace: [ 464.304317] dump_stack+0x244/0x39d [ 464.304342] ? dump_stack_print_info.cold.1+0x20/0x20 [ 464.310906] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 464.320171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.322730] syz-executor2 cpuset=syz2 mems_allowed=0 [ 464.326352] warn_alloc.cold.116+0xb7/0x1bd [ 464.356905] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 464.361760] ? lock_downgrade+0x900/0x900 [ 464.365917] ? trace_hardirqs_off+0xb8/0x310 [ 464.370339] ? trace_hardirqs_off+0xb8/0x310 [ 464.374759] __alloc_pages_slowpath+0x2651/0x2de0 [ 464.379633] ? warn_alloc+0x120/0x120 [ 464.383442] ? warn_alloc+0x120/0x120 [ 464.387258] ? warn_alloc+0x120/0x120 [ 464.391062] ? trace_hardirqs_off+0xb8/0x310 [ 464.395474] ? print_usage_bug+0xc0/0xc0 [ 464.399546] ? print_usage_bug+0xc0/0xc0 [ 464.403617] ? __lock_acquire+0x62f/0x4c20 [ 464.407856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.413408] ? should_fail+0x22d/0xd01 [ 464.417303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.422416] ? __lock_acquire+0x62f/0x4c20 [ 464.426657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.431763] ? __lock_acquire+0x62f/0x4c20 [ 464.435996] ? should_fail+0x22d/0xd01 [ 464.439893] ? mark_held_locks+0x130/0x130 [ 464.444141] ? mark_held_locks+0x130/0x130 [ 464.448384] ? zap_class+0x640/0x640 [ 464.452113] ? ret_from_fork+0x3a/0x50 [ 464.456001] ? __lock_acquire+0x62f/0x4c20 [ 464.460240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.465782] ? check_preemption_disabled+0x48/0x280 [ 464.470809] ? __lock_is_held+0xb5/0x140 [ 464.474880] __alloc_pages_nodemask+0xad8/0xea0 [ 464.479553] ? zap_class+0x640/0x640 [ 464.483278] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 464.488312] ? find_held_lock+0x36/0x1c0 [ 464.492385] ? ____cache_alloc_node+0x1c7/0x1e0 [ 464.497062] ? lock_downgrade+0x900/0x900 [ 464.501220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.506770] cache_grow_begin+0xa5/0x8c0 [ 464.510831] ? do_raw_spin_unlock+0xa7/0x330 [ 464.515251] fallback_alloc+0x204/0x2e0 [ 464.519262] ____cache_alloc_node+0x1c7/0x1e0 [ 464.523765] kmem_cache_alloc_node+0xe3/0x730 [ 464.528264] ? mark_held_locks+0xc7/0x130 [ 464.532432] __alloc_skb+0x119/0x770 [ 464.536159] ? netdev_alloc_frag+0x1f0/0x1f0 [ 464.540572] ? do_raw_spin_trylock+0x270/0x270 [ 464.545157] ? kmem_cache_alloc_trace+0x353/0x750 [ 464.550008] ? queue_work_on+0x12c/0x1e0 [ 464.554084] ? switchdev_port_obj_del+0xdc/0x440 [ 464.558847] ? switchdev_trans_item_enqueue+0x260/0x260 [ 464.564217] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 464.569241] __br_mdb_notify+0x4ff/0x15d0 [ 464.573391] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 464.578523] ? __br_mdb_add+0x7f0/0x7f0 [ 464.582505] ? mark_held_locks+0x130/0x130 [ 464.586752] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.591864] ? debug_object_assert_init+0x368/0x4b0 [ 464.596890] ? debug_object_init_on_stack+0x20/0x20 [ 464.601915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.607469] br_mdb_notify+0x310/0x410 [ 464.611358] ? br_mdb_dump+0x27b0/0x27b0 [ 464.615452] br_multicast_del_pg+0x3df/0x790 [ 464.619874] ? br_mdb_ip_get+0x940/0x940 [ 464.623944] ? rwlock_bug.part.2+0x90/0x90 [ 464.628184] ? __lock_is_held+0xb5/0x140 [ 464.632259] br_multicast_port_group_expired+0x189/0x1e0 [ 464.637718] call_timer_fn+0x272/0x920 [ 464.641606] ? br_multicast_del_pg+0x790/0x790 [ 464.646192] ? process_timeout+0x40/0x40 [ 464.650260] ? __run_timers+0x7da/0xc70 [ 464.654237] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.658733] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.663227] ? br_multicast_del_pg+0x790/0x790 [ 464.667825] ? lockdep_hardirqs_on+0x296/0x5b0 [ 464.672421] ? trace_hardirqs_on+0xbd/0x310 [ 464.676747] ? kasan_check_read+0x11/0x20 [ 464.680899] ? __run_timers+0x7da/0xc70 [ 464.684883] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.689997] ? br_multicast_del_pg+0x790/0x790 [ 464.694594] ? br_multicast_del_pg+0x790/0x790 [ 464.699174] __run_timers+0x7e5/0xc70 [ 464.702988] ? timer_fixup_init+0x70/0x70 [ 464.707135] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.711632] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.716132] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 464.720722] ? trace_hardirqs_on+0xbd/0x310 [ 464.725044] ? kasan_check_read+0x11/0x20 [ 464.729195] ? finish_task_switch+0x1f4/0x910 [ 464.733696] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.738799] ? compat_start_thread+0x80/0x80 [ 464.743231] ? pvclock_read_flags+0x160/0x160 [ 464.747729] ? __switch_to_asm+0x34/0x70 [ 464.751797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.757336] ? check_preemption_disabled+0x48/0x280 [ 464.762366] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 464.767912] ? rcu_pm_notify+0xc0/0xc0 [ 464.771809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.777348] ? check_preemption_disabled+0x48/0x280 [ 464.782375] run_timer_softirq+0x52/0xb0 [ 464.786446] ? rcu_read_lock_sched_held+0x14f/0x180 [ 464.791466] __do_softirq+0x308/0xb7e [ 464.795270] ? retint_kernel+0x2d/0x2d [ 464.799166] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 464.804273] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 464.809723] ? retint_kernel+0x2d/0x2d [ 464.813617] ? schedule+0x108/0x460 [ 464.817254] ? trace_hardirqs_off+0xb8/0x310 [ 464.821666] ? smpboot_thread_fn+0x68b/0xa00 [ 464.826080] ? trace_hardirqs_on+0x310/0x310 [ 464.830498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.836041] ? check_preemption_disabled+0x48/0x280 [ 464.841059] ? takeover_tasklets+0xa90/0xa90 [ 464.845473] run_ksoftirqd+0x5e/0x100 [ 464.849274] smpboot_thread_fn+0x68b/0xa00 [ 464.853513] ? sort_range+0x30/0x30 [ 464.857143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.862248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.867788] ? __kthread_parkme+0xfb/0x1a0 [ 464.872026] ? sort_range+0x30/0x30 [ 464.875658] kthread+0x35a/0x440 [ 464.879029] ? kthread_stop+0x900/0x900 [ 464.883009] ret_from_fork+0x3a/0x50 [ 464.886740] warn_alloc_show_mem: 1 callbacks suppressed [ 464.886752] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 464.886754] Mem-Info: [ 464.886786] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 464.886786] active_file:133 inactive_file:117 isolated_file:0 [ 464.886786] unevictable:0 dirty:3 writeback:0 unstable:0 [ 464.886786] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 464.886786] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 464.886786] free:13727 free_pcp:164 free_cma:0 [ 464.892125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.899490] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 464.901891] Call Trace: [ 464.935103] 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 [ 464.944451] [ 464.972196] lowmem_reserve[]: 0 2818 6321 6321 [ 464.974780] dump_stack+0x244/0x39d [ 465.000868] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 465.003023] ? dump_stack_print_info.cold.1+0x20/0x20 [ 465.007579] lowmem_reserve[]: 0 0 3503 3503 [ 465.011202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.038760] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 465.043961] warn_alloc.cold.116+0xb7/0x1bd [ 465.048250] lowmem_reserve[]: 0 0 0 0 [ 465.053781] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 465.083129] 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 [ 465.087456] ? lock_downgrade+0x900/0x900 [ 465.091233] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 465.096074] ? trace_hardirqs_off+0xb8/0x310 [ 465.109569] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 465.113712] ? trace_hardirqs_off+0xb8/0x310 [ 465.129039] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 465.133455] __alloc_pages_slowpath+0x2651/0x2de0 [ 465.146957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 465.151377] ? warn_alloc+0x120/0x120 [ 465.160168] 2220 total pagecache pages [ 465.165004] ? print_usage_bug+0xc0/0xc0 [ 465.173561] 0 pages in swap cache [ 465.177346] ? warn_alloc+0x120/0x120 [ 465.181210] Swap cache stats: add 0, delete 0, find 0/0 [ 465.185264] ? warn_alloc+0x120/0x120 [ 465.188692] Free swap = 0kB [ 465.192490] ? print_usage_bug+0xc0/0xc0 [ 465.197835] Total swap = 0kB [ 465.201647] ? kvm_clock_read+0x18/0x30 [ 465.204644] 1965979 pages RAM [ 465.208698] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 465.211692] 0 pages HighMem/MovableOnly [ 465.215657] ? print_usage_bug+0xc0/0xc0 [ 465.218742] 342854 pages reserved [ 465.223749] ? __lock_acquire+0x62f/0x4c20 [ 465.227698] 0 pages cma reserved [ 465.231755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.235357] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 465.239474] ? should_fail+0x22d/0xd01 [ 465.242813] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 465.248344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.272453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.277562] ? __lock_acquire+0x62f/0x4c20 [ 465.281803] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.286909] ? __lock_acquire+0x62f/0x4c20 [ 465.291144] ? should_fail+0x22d/0xd01 [ 465.295031] ? rcu_irq_exit+0x1a2/0x390 [ 465.299018] ? mark_held_locks+0x130/0x130 [ 465.303261] ? mark_held_locks+0x130/0x130 [ 465.307507] ? mark_held_locks+0xc7/0x130 [ 465.311656] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 465.316673] ? zap_class+0x640/0x640 [ 465.320389] ? print_usage_bug+0xc0/0xc0 [ 465.324470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.330008] ? check_preemption_disabled+0x48/0x280 [ 465.335066] ? __lock_is_held+0xb5/0x140 [ 465.339139] __alloc_pages_nodemask+0xad8/0xea0 [ 465.343809] ? zap_class+0x640/0x640 [ 465.347528] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 465.352558] ? find_held_lock+0x36/0x1c0 [ 465.356631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 465.361302] ? lock_downgrade+0x900/0x900 [ 465.365475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.371021] cache_grow_begin+0xa5/0x8c0 [ 465.375082] ? do_raw_spin_unlock+0xa7/0x330 [ 465.379498] fallback_alloc+0x204/0x2e0 [ 465.383488] ____cache_alloc_node+0x1c7/0x1e0 [ 465.387989] kmem_cache_alloc_node+0xe3/0x730 [ 465.392489] ? ipv6_get_ifaddr+0x42e/0x620 [ 465.396737] __alloc_skb+0x119/0x770 [ 465.400457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.405740] ? netdev_alloc_frag+0x1f0/0x1f0 [ 465.410152] ? lock_downgrade+0x900/0x900 [ 465.414320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.419853] ? refcount_sub_and_test_checked+0x203/0x310 [ 465.425304] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 465.430786] ? addrconf_rs_timer+0x690/0x690 [ 465.435221] ndisc_alloc_skb+0x144/0x340 [ 465.439288] ndisc_send_rs+0x331/0x6e0 [ 465.443179] addrconf_rs_timer+0x314/0x690 [ 465.447432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.451678] call_timer_fn+0x272/0x920 [ 465.455566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.459804] ? process_timeout+0x40/0x40 [ 465.463877] ? __run_timers+0x7da/0xc70 [ 465.467855] ? _raw_spin_unlock_irq+0x27/0x80 [ 465.472347] ? _raw_spin_unlock_irq+0x27/0x80 [ 465.476844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.481078] ? lockdep_hardirqs_on+0x296/0x5b0 [ 465.485662] ? trace_hardirqs_on+0xbd/0x310 [ 465.489983] ? kasan_check_read+0x11/0x20 [ 465.494127] ? __run_timers+0x7da/0xc70 [ 465.498108] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.503228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 465.507460] __run_timers+0x7e5/0xc70 [ 465.511273] ? timer_fixup_init+0x70/0x70 [ 465.515439] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 465.520459] ? zap_class+0x640/0x640 [ 465.524180] ? enqueue_hrtimer+0x1a5/0x560 [ 465.528426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 465.533630] ? find_held_lock+0x36/0x1c0 [ 465.537695] ? zap_class+0x640/0x640 [ 465.541427] ? pvclock_read_flags+0x160/0x160 [ 465.545925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.551468] ? check_preemption_disabled+0x48/0x280 [ 465.556498] ? __lock_is_held+0xb5/0x140 [ 465.560565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.566105] ? check_preemption_disabled+0x48/0x280 [ 465.571126] run_timer_softirq+0x52/0xb0 [ 465.575191] ? rcu_read_lock_sched_held+0x14f/0x180 [ 465.580212] __do_softirq+0x308/0xb7e [ 465.584017] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 465.588515] ? lock_downgrade+0x900/0x900 [ 465.592668] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 465.597788] ? pvclock_read_flags+0x160/0x160 [ 465.602288] ? lapic_next_event+0x5a/0x90 [ 465.606450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.611995] ? kvm_clock_read+0x18/0x30 [ 465.615984] ? kvm_sched_clock_read+0x9/0x20 [ 465.620396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.625950] ? check_preemption_disabled+0x48/0x280 [ 465.630977] irq_exit+0x17f/0x1c0 [ 465.634454] smp_apic_timer_interrupt+0x1cb/0x760 [ 465.639302] ? smp_reschedule_interrupt+0x109/0x650 [ 465.644322] ? smp_call_function_single_interrupt+0x650/0x650 [ 465.650207] ? interrupt_entry+0xb5/0xc0 [ 465.654270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.659285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.664303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.669145] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.674176] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.679193] ? task_prio+0x50/0x50 [ 465.682766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.688343] ? check_preemption_disabled+0x48/0x280 [ 465.693366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.698223] apic_timer_interrupt+0xf/0x20 [ 465.702452] [ 465.704695] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 465.709626] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 465.728523] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 465.736230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 465.743499] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 465.750765] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 465.758032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 465.765303] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 465.772613] skb_clone+0x1bb/0x500 [ 465.776161] ? skb_split+0x11e0/0x11e0 [ 465.780067] ? preempt_notifier_register+0x200/0x200 [ 465.785180] ? __switch_to_asm+0x34/0x70 [ 465.789236] ? __switch_to_asm+0x34/0x70 [ 465.793297] ? __switch_to_asm+0x40/0x70 [ 465.797358] ? __switch_to_asm+0x34/0x70 [ 465.801429] ? __switch_to_asm+0x40/0x70 [ 465.805490] ? __switch_to_asm+0x40/0x70 [ 465.809566] ? __switch_to_asm+0x34/0x70 [ 465.813628] ? __switch_to_asm+0x34/0x70 [ 465.817686] ? __switch_to_asm+0x40/0x70 [ 465.821744] ? __switch_to_asm+0x34/0x70 [ 465.825813] bpf_clone_redirect+0xb9/0x490 [ 465.830061] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 465.835098] ? __sched_text_start+0x8/0x8 [ 465.839262] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 465.844036] ? find_held_lock+0x36/0x1c0 [ 465.848105] ? lock_acquire+0x1ed/0x520 [ 465.852083] ? bpf_test_run+0x3ee/0x7a0 [ 465.856086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.861627] ? check_preemption_disabled+0x48/0x280 [ 465.866653] ? kasan_check_read+0x11/0x20 [ 465.870805] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.876088] ? rcu_softirq_qs+0x20/0x20 [ 465.880068] ? preempt_schedule+0x4d/0x60 [ 465.884219] ? ___preempt_schedule+0x16/0x18 [ 465.888636] ? bpf_test_run+0x271/0x7a0 [ 465.892624] ? netlink_diag_dump+0x2a0/0x2a0 [ 465.897047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.902611] ? bpf_test_init.isra.10+0x70/0x100 [ 465.907304] ? bpf_prog_test_run_skb+0x762/0xd60 [ 465.912071] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 465.916967] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 465.922504] ? fput+0x130/0x1a0 [ 465.925820] ? __bpf_prog_get+0x9b/0x290 [ 465.929898] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 465.934741] ? bpf_prog_test_run+0x130/0x1a0 [ 465.939154] ? __x64_sys_bpf+0x3d8/0x520 [ 465.943214] ? bpf_prog_get+0x20/0x20 [ 465.947035] ? do_syscall_64+0x1b9/0x820 [ 465.951108] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 465.956472] ? syscall_return_slowpath+0x5e0/0x5e0 [ 465.961406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.966259] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.971283] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 465.976300] ? prepare_exit_to_usermode+0x291/0x3b0 [ 465.981343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.986250] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 465.991630] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 465.991703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 465.998557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.998566] Call Trace: [ 466.005131] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.014408] dump_stack+0x244/0x39d [ 466.016968] syz-executor2 cpuset=syz2 mems_allowed=0 [ 466.027450] ? dump_stack_print_info.cold.1+0x20/0x20 [ 466.041436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.046984] warn_alloc.cold.116+0xb7/0x1bd [ 466.051351] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 466.056197] ? lock_downgrade+0x900/0x900 [ 466.060462] ? trace_hardirqs_off+0xb8/0x310 [ 466.064910] ? trace_hardirqs_off+0xb8/0x310 [ 466.069353] __alloc_pages_slowpath+0x2651/0x2de0 [ 466.074224] ? warn_alloc+0x120/0x120 [ 466.078031] ? warn_alloc+0x120/0x120 [ 466.081840] ? warn_alloc+0x120/0x120 [ 466.085644] ? trace_hardirqs_off+0xb8/0x310 [ 466.090090] ? print_usage_bug+0xc0/0xc0 [ 466.094191] ? print_usage_bug+0xc0/0xc0 [ 466.098261] ? __lock_acquire+0x62f/0x4c20 [ 466.102502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.108043] ? should_fail+0x22d/0xd01 [ 466.111970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.117091] ? __lock_acquire+0x62f/0x4c20 [ 466.121350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.126453] ? __lock_acquire+0x62f/0x4c20 [ 466.130687] ? should_fail+0x22d/0xd01 [ 466.134588] ? mark_held_locks+0x130/0x130 [ 466.138832] ? mark_held_locks+0x130/0x130 [ 466.143082] ? zap_class+0x640/0x640 [ 466.146797] ? ret_from_fork+0x3a/0x50 [ 466.150688] ? __lock_acquire+0x62f/0x4c20 [ 466.154934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.160478] ? check_preemption_disabled+0x48/0x280 [ 466.165506] ? __lock_is_held+0xb5/0x140 [ 466.169579] __alloc_pages_nodemask+0xad8/0xea0 [ 466.174271] ? zap_class+0x640/0x640 [ 466.177995] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 466.183024] ? find_held_lock+0x36/0x1c0 [ 466.187095] ? ____cache_alloc_node+0x1c7/0x1e0 [ 466.192258] ? lock_downgrade+0x900/0x900 [ 466.196424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.201972] cache_grow_begin+0xa5/0x8c0 [ 466.206040] ? do_raw_spin_unlock+0xa7/0x330 [ 466.210457] fallback_alloc+0x204/0x2e0 [ 466.214448] ____cache_alloc_node+0x1c7/0x1e0 [ 466.218953] kmem_cache_alloc_node+0xe3/0x730 [ 466.223454] ? mark_held_locks+0xc7/0x130 [ 466.227614] __alloc_skb+0x119/0x770 [ 466.231335] ? netdev_alloc_frag+0x1f0/0x1f0 [ 466.235746] ? do_raw_spin_trylock+0x270/0x270 [ 466.240336] ? kmem_cache_alloc_trace+0x353/0x750 [ 466.245193] ? queue_work_on+0x12c/0x1e0 [ 466.249265] ? switchdev_port_obj_del+0xdc/0x440 [ 466.254027] ? switchdev_trans_item_enqueue+0x260/0x260 [ 466.259421] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 466.265229] __br_mdb_notify+0x4ff/0x15d0 [ 466.269378] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 466.274500] ? __br_mdb_add+0x7f0/0x7f0 [ 466.278481] ? mark_held_locks+0x130/0x130 [ 466.282723] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.287832] ? debug_object_assert_init+0x368/0x4b0 [ 466.292853] ? debug_object_init_on_stack+0x20/0x20 [ 466.297876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.303429] br_mdb_notify+0x310/0x410 [ 466.307322] ? br_mdb_dump+0x27b0/0x27b0 [ 466.311411] br_multicast_del_pg+0x3df/0x790 [ 466.315837] ? br_mdb_ip_get+0x940/0x940 [ 466.319904] ? rwlock_bug.part.2+0x90/0x90 [ 466.324148] ? __lock_is_held+0xb5/0x140 [ 466.328221] br_multicast_port_group_expired+0x189/0x1e0 [ 466.333678] call_timer_fn+0x272/0x920 [ 466.337572] ? br_multicast_del_pg+0x790/0x790 [ 466.342155] ? process_timeout+0x40/0x40 [ 466.346245] ? __run_timers+0x7da/0xc70 [ 466.350226] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.354725] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.359221] ? br_multicast_del_pg+0x790/0x790 [ 466.363816] ? lockdep_hardirqs_on+0x296/0x5b0 [ 466.368409] ? trace_hardirqs_on+0xbd/0x310 [ 466.372735] ? kasan_check_read+0x11/0x20 [ 466.376882] ? __run_timers+0x7da/0xc70 [ 466.380858] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.385972] ? br_multicast_del_pg+0x790/0x790 [ 466.390565] ? br_multicast_del_pg+0x790/0x790 [ 466.395145] __run_timers+0x7e5/0xc70 [ 466.398965] ? timer_fixup_init+0x70/0x70 [ 466.403114] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.407608] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.412108] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 466.416698] ? trace_hardirqs_on+0xbd/0x310 [ 466.421020] ? kasan_check_read+0x11/0x20 [ 466.425174] ? finish_task_switch+0x1f4/0x910 [ 466.429671] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.434776] ? compat_start_thread+0x80/0x80 [ 466.439207] ? pvclock_read_flags+0x160/0x160 [ 466.443702] ? __switch_to_asm+0x34/0x70 [ 466.447766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.453311] ? check_preemption_disabled+0x48/0x280 [ 466.458337] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 466.463877] ? rcu_pm_notify+0xc0/0xc0 [ 466.467770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.473314] ? check_preemption_disabled+0x48/0x280 [ 466.478338] run_timer_softirq+0x52/0xb0 [ 466.482413] ? rcu_read_lock_sched_held+0x14f/0x180 [ 466.487440] __do_softirq+0x308/0xb7e [ 466.491247] ? retint_kernel+0x2d/0x2d [ 466.495141] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 466.500246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 466.505697] ? retint_kernel+0x2d/0x2d [ 466.509595] ? schedule+0x108/0x460 [ 466.513237] ? trace_hardirqs_off+0xb8/0x310 [ 466.517653] ? smpboot_thread_fn+0x68b/0xa00 [ 466.522064] ? trace_hardirqs_on+0x310/0x310 [ 466.526475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.532015] ? check_preemption_disabled+0x48/0x280 [ 466.537040] ? takeover_tasklets+0xa90/0xa90 [ 466.541450] run_ksoftirqd+0x5e/0x100 [ 466.545257] smpboot_thread_fn+0x68b/0xa00 [ 466.549497] ? sort_range+0x30/0x30 [ 466.553129] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.558237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.563779] ? __kthread_parkme+0xfb/0x1a0 [ 466.568022] ? sort_range+0x30/0x30 [ 466.571655] kthread+0x35a/0x440 [ 466.575028] ? kthread_stop+0x900/0x900 [ 466.579010] ret_from_fork+0x3a/0x50 [ 466.582741] warn_alloc_show_mem: 1 callbacks suppressed [ 466.582754] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 466.582756] Mem-Info: [ 466.582787] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 466.582787] active_file:133 inactive_file:117 isolated_file:0 [ 466.582787] unevictable:0 dirty:3 writeback:0 unstable:0 [ 466.582787] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 466.582787] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 466.582787] free:13727 free_pcp:164 free_cma:0 [ 466.588128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.595495] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 466.597892] Call Trace: [ 466.631109] 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 [ 466.640456] [ 466.668196] lowmem_reserve[]: 0 2818 6321 6321 [ 466.670797] dump_stack+0x244/0x39d [ 466.696887] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 466.699049] ? dump_stack_print_info.cold.1+0x20/0x20 [ 466.703596] lowmem_reserve[]: 0 0 3503 3503 [ 466.707221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.734788] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 466.739992] warn_alloc.cold.116+0xb7/0x1bd [ 466.744276] lowmem_reserve[]: 0 0 0 0 [ 466.749810] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 466.779028] 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 [ 466.783354] ? lock_downgrade+0x900/0x900 [ 466.787125] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 466.791967] ? trace_hardirqs_off+0xb8/0x310 [ 466.805460] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 466.809602] ? trace_hardirqs_off+0xb8/0x310 [ 466.824933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 466.829334] __alloc_pages_slowpath+0x2651/0x2de0 [ 466.842830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 466.847249] ? warn_alloc+0x120/0x120 [ 466.856036] 2220 total pagecache pages [ 466.860875] ? print_usage_bug+0xc0/0xc0 [ 466.869436] 0 pages in swap cache [ 466.873227] ? warn_alloc+0x120/0x120 [ 466.877093] Swap cache stats: add 0, delete 0, find 0/0 [ 466.881145] ? warn_alloc+0x120/0x120 [ 466.884580] Free swap = 0kB [ 466.888380] ? print_usage_bug+0xc0/0xc0 [ 466.893721] Total swap = 0kB [ 466.897515] ? kvm_clock_read+0x18/0x30 [ 466.900512] 1965979 pages RAM [ 466.904567] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 466.907562] 0 pages HighMem/MovableOnly [ 466.911529] ? print_usage_bug+0xc0/0xc0 [ 466.914611] 342854 pages reserved [ 466.919623] ? __lock_acquire+0x62f/0x4c20 [ 466.923571] 0 pages cma reserved [ 466.927629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.931256] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.935297] ? should_fail+0x22d/0xd01 [ 466.938638] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 466.944170] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 466.968268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.973374] ? __lock_acquire+0x62f/0x4c20 [ 466.977620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.982726] ? __lock_acquire+0x62f/0x4c20 [ 466.986960] ? should_fail+0x22d/0xd01 [ 466.990844] ? rcu_irq_exit+0x1a2/0x390 [ 466.994836] ? mark_held_locks+0x130/0x130 [ 466.999082] ? mark_held_locks+0x130/0x130 [ 467.003323] ? mark_held_locks+0xc7/0x130 [ 467.007474] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 467.012497] ? zap_class+0x640/0x640 [ 467.016212] ? print_usage_bug+0xc0/0xc0 [ 467.020284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.025829] ? check_preemption_disabled+0x48/0x280 [ 467.030857] ? __lock_is_held+0xb5/0x140 [ 467.034925] __alloc_pages_nodemask+0xad8/0xea0 [ 467.039595] ? zap_class+0x640/0x640 [ 467.043321] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 467.048352] ? find_held_lock+0x36/0x1c0 [ 467.052439] ? ____cache_alloc_node+0x1c7/0x1e0 [ 467.057113] ? lock_downgrade+0x900/0x900 [ 467.061767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.067314] cache_grow_begin+0xa5/0x8c0 [ 467.071375] ? do_raw_spin_unlock+0xa7/0x330 [ 467.075803] fallback_alloc+0x204/0x2e0 [ 467.079794] ____cache_alloc_node+0x1c7/0x1e0 [ 467.084300] kmem_cache_alloc_node+0xe3/0x730 [ 467.088797] ? ipv6_get_ifaddr+0x42e/0x620 [ 467.093042] __alloc_skb+0x119/0x770 [ 467.096754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.102040] ? netdev_alloc_frag+0x1f0/0x1f0 [ 467.106455] ? lock_downgrade+0x900/0x900 [ 467.110617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.116185] ? refcount_sub_and_test_checked+0x203/0x310 [ 467.121645] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 467.127099] ? addrconf_rs_timer+0x690/0x690 [ 467.131521] ndisc_alloc_skb+0x144/0x340 [ 467.135589] ndisc_send_rs+0x331/0x6e0 [ 467.139485] addrconf_rs_timer+0x314/0x690 [ 467.143730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.147977] call_timer_fn+0x272/0x920 [ 467.151865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.156103] ? process_timeout+0x40/0x40 [ 467.160176] ? __run_timers+0x7da/0xc70 [ 467.164153] ? _raw_spin_unlock_irq+0x27/0x80 [ 467.168648] ? _raw_spin_unlock_irq+0x27/0x80 [ 467.173146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.177384] ? lockdep_hardirqs_on+0x296/0x5b0 [ 467.181981] ? trace_hardirqs_on+0xbd/0x310 [ 467.186305] ? kasan_check_read+0x11/0x20 [ 467.190456] ? __run_timers+0x7da/0xc70 [ 467.194444] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.199553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.203793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 467.208025] __run_timers+0x7e5/0xc70 [ 467.211842] ? timer_fixup_init+0x70/0x70 [ 467.215993] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 467.221009] ? zap_class+0x640/0x640 [ 467.224727] ? enqueue_hrtimer+0x1a5/0x560 [ 467.228966] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 467.234159] ? find_held_lock+0x36/0x1c0 [ 467.238266] ? zap_class+0x640/0x640 [ 467.241989] ? pvclock_read_flags+0x160/0x160 [ 467.246489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.252026] ? check_preemption_disabled+0x48/0x280 [ 467.257056] ? __lock_is_held+0xb5/0x140 [ 467.261123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.266665] ? check_preemption_disabled+0x48/0x280 [ 467.271686] run_timer_softirq+0x52/0xb0 [ 467.275751] ? rcu_read_lock_sched_held+0x14f/0x180 [ 467.280770] __do_softirq+0x308/0xb7e [ 467.284574] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 467.289079] ? lock_downgrade+0x900/0x900 [ 467.293234] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 467.298351] ? pvclock_read_flags+0x160/0x160 [ 467.302849] ? lapic_next_event+0x5a/0x90 [ 467.307003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.312549] ? kvm_clock_read+0x18/0x30 [ 467.316524] ? kvm_sched_clock_read+0x9/0x20 [ 467.320968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.326526] ? check_preemption_disabled+0x48/0x280 [ 467.331551] irq_exit+0x17f/0x1c0 [ 467.335008] smp_apic_timer_interrupt+0x1cb/0x760 [ 467.339849] ? smp_reschedule_interrupt+0x109/0x650 [ 467.344872] ? smp_call_function_single_interrupt+0x650/0x650 [ 467.350770] ? interrupt_entry+0xb5/0xc0 [ 467.354841] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.359856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.364875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.369725] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.374745] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.379764] ? task_prio+0x50/0x50 [ 467.383306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.388873] ? check_preemption_disabled+0x48/0x280 [ 467.393892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.398743] apic_timer_interrupt+0xf/0x20 [ 467.402974] [ 467.405215] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 467.410151] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 467.429053] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 467.436761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 467.444031] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 467.451298] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 467.458568] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 467.465838] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 467.473153] skb_clone+0x1bb/0x500 [ 467.476699] ? skb_split+0x11e0/0x11e0 [ 467.480595] ? preempt_notifier_register+0x200/0x200 [ 467.485698] ? __switch_to_asm+0x34/0x70 [ 467.489760] ? __switch_to_asm+0x34/0x70 [ 467.493820] ? __switch_to_asm+0x40/0x70 [ 467.497883] ? __switch_to_asm+0x34/0x70 [ 467.501945] ? __switch_to_asm+0x40/0x70 [ 467.506010] ? __switch_to_asm+0x40/0x70 [ 467.510070] ? __switch_to_asm+0x34/0x70 [ 467.514130] ? __switch_to_asm+0x34/0x70 [ 467.518190] ? __switch_to_asm+0x40/0x70 [ 467.522251] ? __switch_to_asm+0x34/0x70 [ 467.526319] bpf_clone_redirect+0xb9/0x490 [ 467.530563] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 467.535586] ? __sched_text_start+0x8/0x8 [ 467.539738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 467.544509] ? find_held_lock+0x36/0x1c0 [ 467.548583] ? lock_acquire+0x1ed/0x520 [ 467.552563] ? bpf_test_run+0x3ee/0x7a0 [ 467.556541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.562081] ? check_preemption_disabled+0x48/0x280 [ 467.567105] ? kasan_check_read+0x11/0x20 [ 467.571259] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.576539] ? rcu_softirq_qs+0x20/0x20 [ 467.580518] ? preempt_schedule+0x4d/0x60 [ 467.584668] ? ___preempt_schedule+0x16/0x18 [ 467.589086] ? bpf_test_run+0x271/0x7a0 [ 467.593083] ? netlink_diag_dump+0x2a0/0x2a0 [ 467.597502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.603042] ? bpf_test_init.isra.10+0x70/0x100 [ 467.607718] ? bpf_prog_test_run_skb+0x762/0xd60 [ 467.612489] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 467.617337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 467.622875] ? fput+0x130/0x1a0 [ 467.626162] ? __bpf_prog_get+0x9b/0x290 [ 467.630229] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 467.635075] ? bpf_prog_test_run+0x130/0x1a0 [ 467.639488] ? __x64_sys_bpf+0x3d8/0x520 [ 467.643552] ? bpf_prog_get+0x20/0x20 [ 467.647373] ? do_syscall_64+0x1b9/0x820 [ 467.651452] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 467.656820] ? syscall_return_slowpath+0x5e0/0x5e0 [ 467.661749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.666597] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.671615] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 467.676642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 467.681667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.686524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 467.691914] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 467.691943] rcu: INFO: rcu_preempt self-detected stall on CPU [ 467.698853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 467.698862] Call Trace: [ 467.704975] rcu: 0-...!: (1 GPs behind) idle=cfa/1/0x4000000000000004 softirq=17075/17076 fqs=2 [ 467.714084] dump_stack+0x244/0x39d [ 467.714102] ? dump_stack_print_info.cold.1+0x20/0x20 [ 467.714119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.714143] warn_alloc.cold.116+0xb7/0x1bd [ 467.714159] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 467.714181] ? lock_downgrade+0x900/0x900 [ 467.714203] ? trace_hardirqs_off+0xb8/0x310 [ 467.714224] ? trace_hardirqs_off+0xb8/0x310 [ 467.714245] __alloc_pages_slowpath+0x2651/0x2de0 [ 467.717045] rcu: (t=10630 jiffies g=21721 q=29) [ 467.726079] ? warn_alloc+0x120/0x120 [ 467.729672] rcu: rcu_preempt kthread starved for 10407 jiffies! g21721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 467.734852] ? warn_alloc+0x120/0x120 [ 467.740362] rcu: RCU grace-period kthread stack dump: [ 467.744675] ? warn_alloc+0x120/0x120 [ 467.749494] rcu_preempt R running task 22568 10 2 0x80000000 [ 467.753636] ? trace_hardirqs_off+0xb8/0x310 [ 467.758016] Call Trace: [ 467.762423] ? print_usage_bug+0xc0/0xc0 [ 467.767282] __schedule+0x8cf/0x21d0 [ 467.772127] ? print_usage_bug+0xc0/0xc0 [ 467.775915] ? __sched_text_start+0x8/0x8 [ 467.786387] ? __lock_acquire+0x62f/0x4c20 [ 467.790185] ? add_timer_on+0xa20/0xa20 [ 467.795358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.799140] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.806315] ? should_fail+0x22d/0xd01 [ 467.810703] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.813273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.817332] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 467.821046] ? __lock_acquire+0x62f/0x4c20 [ 467.825094] ? trace_hardirqs_on+0xbd/0x310 [ 467.829225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.833453] ? kasan_check_read+0x11/0x20 [ 467.837421] ? __lock_acquire+0x62f/0x4c20 [ 467.842960] ? prepare_to_swait_event+0x25a/0x800 [ 467.848056] ? should_fail+0x22d/0xd01 [ 467.851944] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.857057] ? mark_held_locks+0x130/0x130 [ 467.862135] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.866704] ? mark_held_locks+0x130/0x130 [ 467.870924] schedule+0xfe/0x460 [ 467.875238] ? zap_class+0x640/0x640 [ 467.880318] ? __schedule+0x21d0/0x21d0 [ 467.884466] ? ret_from_fork+0x3a/0x50 [ 467.888724] ? prepare_to_swait_event+0x25a/0x800 [ 467.893552] ? __lock_acquire+0x62f/0x4c20 [ 467.897437] ? __init_swait_queue_head+0x150/0x150 [ 467.902517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.906731] ? __lockdep_init_map+0x105/0x590 [ 467.911821] ? check_preemption_disabled+0x48/0x280 [ 467.916031] ? lockdep_init_map+0x9/0x10 [ 467.919387] ? __lock_is_held+0xb5/0x140 [ 467.923105] schedule_timeout+0x140/0x260 [ 467.927063] __alloc_pages_nodemask+0xad8/0xea0 [ 467.930947] ? usleep_range+0x1a0/0x1a0 [ 467.935772] ? zap_class+0x640/0x640 [ 467.939990] ? __next_timer_interrupt+0x1a0/0x1a0 [ 467.944906] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 467.950466] rcu_gp_fqs_loop+0x762/0xa80 [ 467.954947] ? find_held_lock+0x36/0x1c0 [ 467.959944] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 467.964008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 467.968052] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.972197] ? lock_downgrade+0x900/0x900 [ 467.976852] ? perf_trace_sched_process_exec+0x860/0x860 [ 467.980846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.984542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.989369] cache_grow_begin+0xa5/0x8c0 [ 467.994371] ? rcu_gp_init+0x90b/0x1260 [ 467.998420] ? do_raw_spin_unlock+0xa7/0x330 [ 468.002479] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 468.007222] fallback_alloc+0x204/0x2e0 [ 468.011874] ? rcu_accelerate_cbs+0x10a/0xae0 [ 468.016965] ____cache_alloc_node+0x1c7/0x1e0 [ 468.021094] ? zap_class+0x640/0x640 [ 468.026534] kmem_cache_alloc_node+0xe3/0x730 [ 468.032057] ? zap_class+0x640/0x640 [ 468.037578] ? mark_held_locks+0xc7/0x130 [ 468.041629] ? __lock_is_held+0xb5/0x140 [ 468.045586] __alloc_skb+0x119/0x770 [ 468.049975] ? __lock_is_held+0xb5/0x140 [ 468.054714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 468.058670] ? zap_class+0x640/0x640 [ 468.063152] ? do_raw_spin_trylock+0x270/0x270 [ 468.067634] ? rcu_accelerate_cbs+0x10a/0xae0 [ 468.071334] ? kmem_cache_alloc_trace+0x353/0x750 [ 468.075826] ? find_held_lock+0x36/0x1c0 [ 468.079522] ? queue_work_on+0x12c/0x1e0 [ 468.083666] ? rcu_gp_kthread+0x8cf/0xc70 [ 468.087713] ? switchdev_port_obj_del+0xdc/0x440 [ 468.091417] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.095467] ? switchdev_trans_item_enqueue+0x260/0x260 [ 468.099856] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.103575] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 468.108142] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 468.112624] __br_mdb_notify+0x4ff/0x15d0 [ 468.117468] ? trace_hardirqs_on+0xbd/0x310 [ 468.121510] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 468.125560] ? kasan_check_read+0x11/0x20 [ 468.129695] ? __br_mdb_add+0x7f0/0x7f0 [ 468.134441] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.138932] ? mark_held_locks+0x130/0x130 [ 468.144274] ? perf_trace_sched_process_exec+0x860/0x860 [ 468.148758] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 468.153757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.158324] ? debug_object_assert_init+0x368/0x4b0 [ 468.162462] rcu_gp_kthread+0x341/0xc70 [ 468.166762] ? debug_object_init_on_stack+0x20/0x20 [ 468.171848] ? rcu_gp_init+0x1260/0x1260 [ 468.176041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.180003] ? mark_held_locks+0x130/0x130 [ 468.185094] br_mdb_notify+0x310/0x410 [ 468.189316] ? __schedule+0x168a/0x21d0 [ 468.194759] ? br_mdb_dump+0x27b0/0x27b0 [ 468.199848] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.205387] br_multicast_del_pg+0x3df/0x790 [ 468.210379] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 468.214343] ? br_mdb_ip_get+0x940/0x940 [ 468.219339] ? trace_hardirqs_on+0xbd/0x310 [ 468.223380] ? rwlock_bug.part.2+0x90/0x90 [ 468.228908] ? kasan_check_read+0x11/0x20 [ 468.233130] ? __lock_is_held+0xb5/0x140 [ 468.237001] ? __schedule+0x168a/0x21d0 [ 468.240963] br_multicast_port_group_expired+0x189/0x1e0 [ 468.245019] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.249497] call_timer_fn+0x272/0x920 [ 468.253890] ? lock_pin_lock+0x350/0x350 [ 468.258457] ? br_multicast_del_pg+0x790/0x790 [ 468.262509] ? _raw_spin_unlock_irq+0x60/0x80 [ 468.266811] ? process_timeout+0x40/0x40 [ 468.271034] ? __schedule+0x168a/0x21d0 [ 468.275167] ? __run_timers+0x7da/0xc70 [ 468.279210] ? __switch_to_asm+0x40/0x70 [ 468.283171] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.288605] ? __switch_to_asm+0x40/0x70 [ 468.293695] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.297570] ? show_schedstat+0x551/0xf30 [ 468.301621] ? br_multicast_del_pg+0x790/0x790 [ 468.306190] ? __sched_text_start+0x8/0x8 [ 468.310671] ? lockdep_hardirqs_on+0x296/0x5b0 [ 468.314721] ? find_held_lock+0x36/0x1c0 [ 468.318682] ? trace_hardirqs_on+0xbd/0x310 [ 468.322647] ? __kthread_parkme+0xce/0x1a0 [ 468.326687] ? kasan_check_read+0x11/0x20 [ 468.331161] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 468.335204] ? __run_timers+0x7da/0xc70 [ 468.339686] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 468.343824] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.348393] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 468.352541] ? br_multicast_del_pg+0x790/0x790 [ 468.357107] ? trace_hardirqs_on+0xbd/0x310 [ 468.361154] ? br_multicast_del_pg+0x790/0x790 [ 468.365464] ? kasan_check_read+0x11/0x20 [ 468.369679] __run_timers+0x7e5/0xc70 [ 468.373814] ? __kthread_parkme+0xce/0x1a0 [ 468.378906] ? timer_fixup_init+0x70/0x70 [ 468.382858] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.387972] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.393128] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 468.397690] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.402257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.406560] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 468.411140] ? __kthread_parkme+0xfb/0x1a0 [ 468.415290] ? trace_hardirqs_on+0xbd/0x310 [ 468.419076] ? rcu_gp_init+0x1260/0x1260 [ 468.423291] ? kasan_check_read+0x11/0x20 [ 468.427436] kthread+0x35a/0x440 [ 468.432521] ? finish_task_switch+0x1f4/0x910 [ 468.437015] ? kthread_stop+0x900/0x900 [ 468.442101] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.446577] ret_from_fork+0x3a/0x50 [ 468.452127] ? compat_start_thread+0x80/0x80 [ 468.456705] NMI backtrace for cpu 0 [ 468.460935] ? pvclock_read_flags+0x160/0x160 [ 468.506474] ? __switch_to_asm+0x34/0x70 [ 468.510542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.516101] ? check_preemption_disabled+0x48/0x280 [ 468.521133] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 468.526675] ? rcu_pm_notify+0xc0/0xc0 [ 468.530571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.536111] ? check_preemption_disabled+0x48/0x280 [ 468.541133] run_timer_softirq+0x52/0xb0 [ 468.545213] ? rcu_read_lock_sched_held+0x14f/0x180 [ 468.550234] __do_softirq+0x308/0xb7e [ 468.554039] ? retint_kernel+0x2d/0x2d [ 468.557936] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 468.563041] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 468.568502] ? retint_kernel+0x2d/0x2d [ 468.572430] ? schedule+0x108/0x460 [ 468.576069] ? trace_hardirqs_off+0xb8/0x310 [ 468.580481] ? smpboot_thread_fn+0x68b/0xa00 [ 468.584925] ? trace_hardirqs_on+0x310/0x310 [ 468.589349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.594887] ? check_preemption_disabled+0x48/0x280 [ 468.599918] ? takeover_tasklets+0xa90/0xa90 [ 468.604336] run_ksoftirqd+0x5e/0x100 [ 468.608143] smpboot_thread_fn+0x68b/0xa00 [ 468.612406] ? sort_range+0x30/0x30 [ 468.616051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 468.621172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.626729] ? __kthread_parkme+0xfb/0x1a0 [ 468.630996] ? sort_range+0x30/0x30 [ 468.634622] kthread+0x35a/0x440 [ 468.637994] ? kthread_stop+0x900/0x900 [ 468.641974] ret_from_fork+0x3a/0x50 [ 468.645703] warn_alloc_show_mem: 1 callbacks suppressed [ 468.645715] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 468.645717] Mem-Info: [ 468.645750] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 468.645750] active_file:133 inactive_file:117 isolated_file:0 [ 468.645750] unevictable:0 dirty:3 writeback:0 unstable:0 [ 468.645750] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 468.645750] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 468.645750] free:13727 free_pcp:164 free_cma:0 [ 468.651082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.658452] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 468.658461] 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 [ 468.660884] Call Trace: [ 468.694091] lowmem_reserve[]: 0 2818 6321 6321 [ 468.703453] [ 468.731199] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 468.757318] dump_stack+0x244/0x39d [ 468.759879] lowmem_reserve[]: 0 0 3503 3503 [ 468.764480] ? dump_stack_print_info.cold.1+0x20/0x20 [ 468.766607] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 468.794217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.797817] lowmem_reserve[]: 0 0 0 0 [ 468.802132] ? do_raw_spin_lock+0x14f/0x350 [ 468.807295] 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 [ 468.836526] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 468.842052] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 468.845870] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 468.850166] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 468.863685] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 468.868342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 468.883674] arch_trigger_cpumask_backtrace+0x14/0x20 [ 468.888840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 468.902347] rcu_dump_cpu_stacks+0x16f/0x1bc [ 468.907599] 2220 total pagecache pages [ 468.916452] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 468.921611] 0 pages in swap cache [ 468.930170] ? print_other_cpu_stall+0x160/0x160 [ 468.934572] Swap cache stats: add 0, delete 0, find 0/0 [ 468.938463] ? print_usage_bug+0xc0/0xc0 [ 468.943191] Free swap = 0kB [ 468.946640] ? kasan_check_read+0x11/0x20 [ 468.951368] Total swap = 0kB [ 468.956725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.960761] 1965979 pages RAM [ 468.963775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.967894] 0 pages HighMem/MovableOnly [ 468.967903] 342854 pages reserved [ 468.970944] ? do_trace_rcu_torture_read+0x10/0x10 [ 468.976459] 0 pages cma reserved [ 468.979561] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 468.985253] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 468.989065] ? __lock_is_held+0xb5/0x140 [ 468.992509] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 468.997445] ? __rcu_read_lock+0x50/0x50 [ 469.029116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.034653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.040192] ? check_preemption_disabled+0x48/0x280 [ 469.045230] rcu_check_callbacks+0xf3b/0x13f0 [ 469.049746] ? rcutree_dead_cpu+0x10/0x10 [ 469.053927] ? lock_downgrade+0x900/0x900 [ 469.058094] ? lock_release+0x960/0xa00 [ 469.062558] ? zap_class+0x640/0x640 [ 469.066273] ? zap_class+0x640/0x640 [ 469.069991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.075537] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 469.080119] ? kvm_set_tsc_khz+0x540/0x540 [ 469.084354] ? warn_alloc.cold.116+0xd1/0x1bd [ 469.088854] ? find_held_lock+0x36/0x1c0 [ 469.092923] ? zap_class+0x640/0x640 [ 469.096644] ? timekeeping_advance+0x3cc/0xc00 [ 469.101244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.106810] ? check_preemption_disabled+0x48/0x280 [ 469.111852] ? trace_hardirqs_off+0xb8/0x310 [ 469.116260] ? __lock_is_held+0xb5/0x140 [ 469.120321] ? trace_hardirqs_on+0x310/0x310 [ 469.124758] ? check_preemption_disabled+0x48/0x280 [ 469.129783] ? raise_softirq+0x199/0x420 [ 469.133846] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 469.138517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.144067] ? check_preemption_disabled+0x48/0x280 [ 469.149089] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 469.154626] ? hrtimer_run_queues+0x9a/0x400 [ 469.159039] ? run_local_timers+0x19b/0x230 [ 469.163364] ? timer_clear_idle+0x90/0x90 [ 469.167520] ? debug_smp_processor_id+0x1c/0x20 [ 469.172195] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 469.178174] ? account_process_tick+0x282/0x350 [ 469.182849] update_process_times+0x2d/0x70 [ 469.187177] tick_sched_handle+0x9f/0x180 [ 469.191330] tick_sched_timer+0x45/0x130 [ 469.195396] __hrtimer_run_queues+0x41c/0x10d0 [ 469.200002] ? tick_sched_do_timer+0x1a0/0x1a0 [ 469.204589] ? hrtimer_start_range_ns+0xe00/0xe00 [ 469.209454] ? pvclock_read_flags+0x160/0x160 [ 469.213959] ? trace_hardirqs_on+0x310/0x310 [ 469.218376] ? kvm_clock_read+0x18/0x30 [ 469.222360] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 469.227378] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 469.232759] ? do_timer+0x50/0x50 [ 469.236217] ? rwlock_bug.part.2+0x90/0x90 [ 469.240457] ? trace_hardirqs_on+0x310/0x310 [ 469.244869] ? rcu_softirq_qs+0x20/0x20 [ 469.248860] hrtimer_interrupt+0x313/0x780 [ 469.253119] smp_apic_timer_interrupt+0x1a1/0x760 [ 469.257968] ? smp_call_function_single_interrupt+0x650/0x650 [ 469.263852] ? interrupt_entry+0xb5/0xc0 [ 469.267916] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.272937] ? ____cache_alloc_node+0x1c7/0x1e0 [ 469.277614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.282462] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.287494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.292349] apic_timer_interrupt+0xf/0x20 [ 469.296586] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 469.301952] Code: 3f 7e 0f 85 32 ff ff ff e8 35 0d 3e ff e9 28 ff ff ff e8 ec 42 c3 ff 48 83 3d 74 8b 8f 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 1a c2 [ 469.320871] RSP: 0000:ffff8881dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 469.328580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110373c5921 [ 469.335847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 469.343115] RBP: ffff8881dae074c0 R08: ffff8881b9e2c908 R09: 0000000000000002 [ 469.350380] R10: 0000000000000000 R11: ffff8881b9e2c040 R12: ffff8881d9bee600 [ 469.357657] R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000282 [ 469.364937] ? apic_timer_interrupt+0xa/0x20 [ 469.369374] ? ipv6_get_ifaddr+0x42e/0x620 [ 469.373631] __alloc_skb+0x119/0x770 [ 469.377350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.382635] ? netdev_alloc_frag+0x1f0/0x1f0 [ 469.387047] ? lock_downgrade+0x900/0x900 [ 469.391207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.396748] ? refcount_sub_and_test_checked+0x203/0x310 [ 469.402202] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 469.407680] ? addrconf_rs_timer+0x690/0x690 [ 469.412105] ndisc_alloc_skb+0x144/0x340 [ 469.416177] ndisc_send_rs+0x331/0x6e0 [ 469.420071] addrconf_rs_timer+0x314/0x690 [ 469.424315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.428563] call_timer_fn+0x272/0x920 [ 469.432454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.436694] ? process_timeout+0x40/0x40 [ 469.440768] ? __run_timers+0x7da/0xc70 [ 469.444745] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.449244] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.453739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.457977] ? lockdep_hardirqs_on+0x296/0x5b0 [ 469.462564] ? trace_hardirqs_on+0xbd/0x310 [ 469.466889] ? kasan_check_read+0x11/0x20 [ 469.471049] ? __run_timers+0x7da/0xc70 [ 469.475031] ? trace_hardirqs_off_caller+0x310/0x310 [ 469.480145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.484386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.488632] __run_timers+0x7e5/0xc70 [ 469.492459] ? timer_fixup_init+0x70/0x70 [ 469.496617] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 469.501638] ? zap_class+0x640/0x640 [ 469.505355] ? enqueue_hrtimer+0x1a5/0x560 [ 469.509593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 469.514811] ? find_held_lock+0x36/0x1c0 [ 469.518896] ? zap_class+0x640/0x640 [ 469.522617] ? pvclock_read_flags+0x160/0x160 [ 469.527116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.532656] ? check_preemption_disabled+0x48/0x280 [ 469.537685] ? __lock_is_held+0xb5/0x140 [ 469.541753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.547294] ? check_preemption_disabled+0x48/0x280 [ 469.552316] run_timer_softirq+0x52/0xb0 [ 469.556382] ? rcu_read_lock_sched_held+0x14f/0x180 [ 469.561418] __do_softirq+0x308/0xb7e [ 469.565234] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 469.569730] ? lock_downgrade+0x900/0x900 [ 469.573887] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 469.579002] ? pvclock_read_flags+0x160/0x160 [ 469.583515] ? lapic_next_event+0x5a/0x90 [ 469.587666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.593211] ? kvm_clock_read+0x18/0x30 [ 469.597220] ? kvm_sched_clock_read+0x9/0x20 [ 469.601632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.607176] ? check_preemption_disabled+0x48/0x280 [ 469.612204] irq_exit+0x17f/0x1c0 [ 469.615660] smp_apic_timer_interrupt+0x1cb/0x760 [ 469.620503] ? smp_reschedule_interrupt+0x109/0x650 [ 469.625526] ? smp_call_function_single_interrupt+0x650/0x650 [ 469.631424] ? interrupt_entry+0xb5/0xc0 [ 469.635520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.640539] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.645556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.650413] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.655443] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.660460] ? task_prio+0x50/0x50 [ 469.664004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.669545] ? check_preemption_disabled+0x48/0x280 [ 469.674569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.679435] apic_timer_interrupt+0xf/0x20 [ 469.683663] [ 469.685905] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 469.690836] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 469.709741] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 469.717814] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 469.725080] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 469.732376] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 469.739653] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 469.746921] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 469.754233] skb_clone+0x1bb/0x500 [ 469.757784] ? skb_split+0x11e0/0x11e0 [ 469.761679] ? preempt_notifier_register+0x200/0x200 [ 469.766784] ? __switch_to_asm+0x34/0x70 [ 469.770843] ? __switch_to_asm+0x34/0x70 [ 469.774906] ? __switch_to_asm+0x40/0x70 [ 469.778966] ? __switch_to_asm+0x34/0x70 [ 469.783043] ? __switch_to_asm+0x40/0x70 [ 469.787133] ? __switch_to_asm+0x40/0x70 [ 469.791194] ? __switch_to_asm+0x34/0x70 [ 469.795254] ? __switch_to_asm+0x34/0x70 [ 469.799317] ? __switch_to_asm+0x40/0x70 [ 469.803379] ? __switch_to_asm+0x34/0x70 [ 469.807474] bpf_clone_redirect+0xb9/0x490 [ 469.811721] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 469.816743] ? __sched_text_start+0x8/0x8 [ 469.820909] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 469.825678] ? find_held_lock+0x36/0x1c0 [ 469.829750] ? lock_acquire+0x1ed/0x520 [ 469.833726] ? bpf_test_run+0x3ee/0x7a0 [ 469.837716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.843259] ? check_preemption_disabled+0x48/0x280 [ 469.848283] ? kasan_check_read+0x11/0x20 [ 469.852439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.857718] ? rcu_softirq_qs+0x20/0x20 [ 469.861696] ? preempt_schedule+0x4d/0x60 [ 469.865850] ? ___preempt_schedule+0x16/0x18 [ 469.870266] ? bpf_test_run+0x271/0x7a0 [ 469.874270] ? netlink_diag_dump+0x2a0/0x2a0 [ 469.878686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.884223] ? bpf_test_init.isra.10+0x70/0x100 [ 469.888911] ? bpf_prog_test_run_skb+0x762/0xd60 [ 469.893676] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 469.898527] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 469.904062] ? fput+0x130/0x1a0 [ 469.907378] ? __bpf_prog_get+0x9b/0x290 [ 469.911455] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 469.916313] ? bpf_prog_test_run+0x130/0x1a0 [ 469.920725] ? __x64_sys_bpf+0x3d8/0x520 [ 469.924791] ? bpf_prog_get+0x20/0x20 [ 469.928618] ? do_syscall_64+0x1b9/0x820 [ 469.932682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 469.938049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 469.942979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.947828] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.952848] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 469.957884] ? prepare_exit_to_usermode+0x291/0x3b0 [ 469.962941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.967809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 469.973193] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 469.973559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 469.980126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 469.980132] Call Trace: [ 469.980151] dump_stack+0x244/0x39d [ 469.980170] ? dump_stack_print_info.cold.1+0x20/0x20 [ 469.986699] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 469.995996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.998554] syz-executor2 cpuset=syz2 mems_allowed=0 [ 470.002180] warn_alloc.cold.116+0xb7/0x1bd [ 470.032746] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 470.037610] ? lock_downgrade+0x900/0x900 [ 470.041770] ? trace_hardirqs_off+0xb8/0x310 [ 470.046186] ? trace_hardirqs_off+0xb8/0x310 [ 470.050635] __alloc_pages_slowpath+0x2651/0x2de0 [ 470.055509] ? warn_alloc+0x120/0x120 [ 470.059329] ? warn_alloc+0x120/0x120 [ 470.063136] ? warn_alloc+0x120/0x120 [ 470.066967] ? trace_hardirqs_off+0xb8/0x310 [ 470.071412] ? print_usage_bug+0xc0/0xc0 [ 470.075480] ? print_usage_bug+0xc0/0xc0 [ 470.079553] ? __lock_acquire+0x62f/0x4c20 [ 470.083793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.089339] ? should_fail+0x22d/0xd01 [ 470.093231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.098334] ? __lock_acquire+0x62f/0x4c20 [ 470.102579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.107683] ? __lock_acquire+0x62f/0x4c20 [ 470.111918] ? should_fail+0x22d/0xd01 [ 470.115829] ? mark_held_locks+0x130/0x130 [ 470.120077] ? mark_held_locks+0x130/0x130 [ 470.124327] ? zap_class+0x640/0x640 [ 470.128041] ? ret_from_fork+0x3a/0x50 [ 470.131936] ? __lock_acquire+0x62f/0x4c20 [ 470.136181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.141721] ? check_preemption_disabled+0x48/0x280 [ 470.146749] ? __lock_is_held+0xb5/0x140 [ 470.150818] __alloc_pages_nodemask+0xad8/0xea0 [ 470.155491] ? zap_class+0x640/0x640 [ 470.159210] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 470.164238] ? find_held_lock+0x36/0x1c0 [ 470.168312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 470.172985] ? lock_downgrade+0x900/0x900 [ 470.177146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.182695] cache_grow_begin+0xa5/0x8c0 [ 470.186766] ? do_raw_spin_unlock+0xa7/0x330 [ 470.191186] fallback_alloc+0x204/0x2e0 [ 470.195667] ____cache_alloc_node+0x1c7/0x1e0 [ 470.200170] kmem_cache_alloc_node+0xe3/0x730 [ 470.204672] ? mark_held_locks+0xc7/0x130 [ 470.208830] __alloc_skb+0x119/0x770 [ 470.212550] ? netdev_alloc_frag+0x1f0/0x1f0 [ 470.216960] ? do_raw_spin_trylock+0x270/0x270 [ 470.221544] ? kmem_cache_alloc_trace+0x353/0x750 [ 470.226406] ? queue_work_on+0x12c/0x1e0 [ 470.230478] ? switchdev_port_obj_del+0xdc/0x440 [ 470.235242] ? switchdev_trans_item_enqueue+0x260/0x260 [ 470.240614] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 470.245638] __br_mdb_notify+0x4ff/0x15d0 [ 470.249791] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 470.254906] ? __br_mdb_add+0x7f0/0x7f0 [ 470.258893] ? mark_held_locks+0x130/0x130 [ 470.263144] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 470.268253] ? debug_object_assert_init+0x368/0x4b0 [ 470.273279] ? debug_object_init_on_stack+0x20/0x20 [ 470.278305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.283852] br_mdb_notify+0x310/0x410 [ 470.287743] ? br_mdb_dump+0x27b0/0x27b0 [ 470.291825] br_multicast_del_pg+0x3df/0x790 [ 470.296244] ? br_mdb_ip_get+0x940/0x940 [ 470.300309] ? rwlock_bug.part.2+0x90/0x90 [ 470.304549] ? __lock_is_held+0xb5/0x140 [ 470.308625] br_multicast_port_group_expired+0x189/0x1e0 [ 470.314080] call_timer_fn+0x272/0x920 [ 470.317969] ? br_multicast_del_pg+0x790/0x790 [ 470.322553] ? process_timeout+0x40/0x40 [ 470.326626] ? __run_timers+0x7da/0xc70 [ 470.330605] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.335098] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.339596] ? br_multicast_del_pg+0x790/0x790 [ 470.344211] ? lockdep_hardirqs_on+0x296/0x5b0 [ 470.348795] ? trace_hardirqs_on+0xbd/0x310 [ 470.353119] ? kasan_check_read+0x11/0x20 [ 470.357267] ? __run_timers+0x7da/0xc70 [ 470.361244] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.366355] ? br_multicast_del_pg+0x790/0x790 [ 470.370949] ? br_multicast_del_pg+0x790/0x790 [ 470.375535] __run_timers+0x7e5/0xc70 [ 470.379350] ? timer_fixup_init+0x70/0x70 [ 470.383498] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.387992] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.392488] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 470.397073] ? trace_hardirqs_on+0xbd/0x310 [ 470.401411] ? kasan_check_read+0x11/0x20 [ 470.405580] ? finish_task_switch+0x1f4/0x910 [ 470.410079] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.415184] ? compat_start_thread+0x80/0x80 [ 470.419615] ? pvclock_read_flags+0x160/0x160 [ 470.424114] ? __switch_to_asm+0x34/0x70 [ 470.428183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.433723] ? check_preemption_disabled+0x48/0x280 [ 470.438753] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 470.444299] ? rcu_pm_notify+0xc0/0xc0 [ 470.448189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.453731] ? check_preemption_disabled+0x48/0x280 [ 470.458758] run_timer_softirq+0x52/0xb0 [ 470.462824] ? rcu_read_lock_sched_held+0x14f/0x180 [ 470.467843] __do_softirq+0x308/0xb7e [ 470.471658] ? retint_kernel+0x2d/0x2d [ 470.475557] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 470.480664] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 470.486121] ? retint_kernel+0x2d/0x2d [ 470.490026] ? schedule+0x108/0x460 [ 470.493667] ? trace_hardirqs_off+0xb8/0x310 [ 470.498079] ? smpboot_thread_fn+0x68b/0xa00 [ 470.502491] ? trace_hardirqs_on+0x310/0x310 [ 470.506901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.512449] ? check_preemption_disabled+0x48/0x280 [ 470.517470] ? takeover_tasklets+0xa90/0xa90 [ 470.521884] run_ksoftirqd+0x5e/0x100 [ 470.525686] smpboot_thread_fn+0x68b/0xa00 [ 470.529935] ? sort_range+0x30/0x30 [ 470.533564] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 470.538669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.544209] ? __kthread_parkme+0xfb/0x1a0 [ 470.548450] ? sort_range+0x30/0x30 [ 470.552080] kthread+0x35a/0x440 [ 470.555450] ? kthread_stop+0x900/0x900 [ 470.559483] ret_from_fork+0x3a/0x50 [ 470.563209] Mem-Info: [ 470.563222] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 470.563234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.565650] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 470.565650] active_file:133 inactive_file:117 isolated_file:0 [ 470.565650] unevictable:0 dirty:3 writeback:0 unstable:0 [ 470.565650] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 470.565650] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 470.565650] free:13727 free_pcp:164 free_cma:0 [ 470.572981] Call Trace: [ 470.582369] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 470.615570] [ 470.618142] 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 [ 470.645911] dump_stack+0x244/0x39d [ 470.648042] lowmem_reserve[]: 0 2818 6321 6321 [ 470.674162] ? dump_stack_print_info.cold.1+0x20/0x20 [ 470.677759] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 470.682335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.687501] lowmem_reserve[]: 0 0 3503 3503 [ 470.715098] warn_alloc.cold.116+0xb7/0x1bd [ 470.720607] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 470.724927] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 470.729225] lowmem_reserve[]: 0 0 0 0 [ 470.758474] ? lock_downgrade+0x900/0x900 [ 470.763299] 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 [ 470.767104] ? trace_hardirqs_off+0xb8/0x310 [ 470.771225] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 470.784755] ? trace_hardirqs_off+0xb8/0x310 [ 470.789140] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 470.804497] __alloc_pages_slowpath+0x2651/0x2de0 [ 470.808885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 470.822441] ? warn_alloc+0x120/0x120 [ 470.827245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 470.836075] ? print_usage_bug+0xc0/0xc0 [ 470.839849] 2220 total pagecache pages [ 470.848444] ? warn_alloc+0x120/0x120 [ 470.852477] 0 pages in swap cache [ 470.856352] ? warn_alloc+0x120/0x120 [ 470.860132] Swap cache stats: add 0, delete 0, find 0/0 [ 470.863578] ? print_usage_bug+0xc0/0xc0 [ 470.867352] Free swap = 0kB [ 470.872722] ? print_usage_bug+0xc0/0xc0 [ 470.876764] Total swap = 0kB [ 470.879778] ? __lock_acquire+0x62f/0x4c20 [ 470.883811] 1965979 pages RAM [ 470.886830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.891031] 0 pages HighMem/MovableOnly [ 470.891040] 342854 pages reserved [ 470.894143] ? should_fail+0x22d/0xd01 [ 470.899657] 0 pages cma reserved [ 470.903626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.907207] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 470.910943] ? __lock_acquire+0x62f/0x4c20 [ 470.914283] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 470.919385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.943651] ? __lock_acquire+0x62f/0x4c20 [ 470.947889] ? should_fail+0x22d/0xd01 [ 470.951784] ? find_held_lock+0x36/0x1c0 [ 470.955855] ? mark_held_locks+0x130/0x130 [ 470.960096] ? mark_held_locks+0x130/0x130 [ 470.964335] ? zap_class+0x640/0x640 [ 470.968068] ? zap_class+0x640/0x640 [ 470.971791] ? print_usage_bug+0xc0/0xc0 [ 470.975852] ? do_raw_spin_unlock+0xa7/0x330 [ 470.980263] ? zap_class+0x640/0x640 [ 470.983979] ? print_usage_bug+0xc0/0xc0 [ 470.988038] ? wq_watchdog_touch+0x9c/0xfe [ 470.992279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.997820] ? check_preemption_disabled+0x48/0x280 [ 471.002849] ? __lock_is_held+0xb5/0x140 [ 471.006919] __alloc_pages_nodemask+0xad8/0xea0 [ 471.011591] ? zap_class+0x640/0x640 [ 471.015312] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 471.020357] ? find_held_lock+0x36/0x1c0 [ 471.024447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 471.029120] ? lock_downgrade+0x900/0x900 [ 471.033290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.038841] cache_grow_begin+0xa5/0x8c0 [ 471.042905] ? do_raw_spin_unlock+0xa7/0x330 [ 471.047324] fallback_alloc+0x204/0x2e0 [ 471.051311] ____cache_alloc_node+0x1c7/0x1e0 [ 471.055813] kmem_cache_alloc_node+0xe3/0x730 [ 471.060832] ? ipv6_get_ifaddr+0x42e/0x620 [ 471.065084] __alloc_skb+0x119/0x770 [ 471.068796] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 471.074080] ? netdev_alloc_frag+0x1f0/0x1f0 [ 471.078495] ? lock_downgrade+0x900/0x900 [ 471.082656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.088198] ? refcount_sub_and_test_checked+0x203/0x310 [ 471.093656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 471.099109] ? addrconf_rs_timer+0x690/0x690 [ 471.103534] ndisc_alloc_skb+0x144/0x340 [ 471.107603] ndisc_send_rs+0x331/0x6e0 [ 471.111513] addrconf_rs_timer+0x314/0x690 [ 471.115758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.120008] call_timer_fn+0x272/0x920 [ 471.123896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.128146] ? process_timeout+0x40/0x40 [ 471.132230] ? __run_timers+0x7da/0xc70 [ 471.136206] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.140702] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.145198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.149448] ? lockdep_hardirqs_on+0x296/0x5b0 [ 471.154035] ? trace_hardirqs_on+0xbd/0x310 [ 471.158364] ? kasan_check_read+0x11/0x20 [ 471.162523] ? __run_timers+0x7da/0xc70 [ 471.166502] ? trace_hardirqs_off_caller+0x310/0x310 [ 471.171612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.175853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.180090] __run_timers+0x7e5/0xc70 [ 471.183906] ? timer_fixup_init+0x70/0x70 [ 471.188071] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 471.193117] ? zap_class+0x640/0x640 [ 471.196844] ? enqueue_hrtimer+0x1a5/0x560 [ 471.201088] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 471.206292] ? find_held_lock+0x36/0x1c0 [ 471.210362] ? zap_class+0x640/0x640 [ 471.214087] ? pvclock_read_flags+0x160/0x160 [ 471.218591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.224133] ? check_preemption_disabled+0x48/0x280 [ 471.229165] ? __lock_is_held+0xb5/0x140 [ 471.233234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.238774] ? check_preemption_disabled+0x48/0x280 [ 471.243803] run_timer_softirq+0x52/0xb0 [ 471.247868] ? rcu_read_lock_sched_held+0x14f/0x180 [ 471.252890] __do_softirq+0x308/0xb7e [ 471.256697] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 471.261192] ? lock_downgrade+0x900/0x900 [ 471.265362] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 471.270480] ? pvclock_read_flags+0x160/0x160 [ 471.274984] ? lapic_next_event+0x5a/0x90 [ 471.279137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.284689] ? kvm_clock_read+0x18/0x30 [ 471.288683] ? kvm_sched_clock_read+0x9/0x20 [ 471.293099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.298643] ? check_preemption_disabled+0x48/0x280 [ 471.303692] irq_exit+0x17f/0x1c0 [ 471.307154] smp_apic_timer_interrupt+0x1cb/0x760 [ 471.312001] ? smp_reschedule_interrupt+0x109/0x650 [ 471.317022] ? smp_call_function_single_interrupt+0x650/0x650 [ 471.322922] ? interrupt_entry+0xb5/0xc0 [ 471.326990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.332011] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.337034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.341883] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.346902] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.351921] ? task_prio+0x50/0x50 [ 471.355469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.361014] ? check_preemption_disabled+0x48/0x280 [ 471.366042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.370898] apic_timer_interrupt+0xf/0x20 [ 471.375129] [ 471.377373] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 471.382314] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 471.401227] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 471.408946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 471.416218] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 471.423492] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 471.430766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 471.438036] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 471.445351] skb_clone+0x1bb/0x500 [ 471.448900] ? skb_split+0x11e0/0x11e0 [ 471.452794] ? preempt_notifier_register+0x200/0x200 [ 471.457927] ? __switch_to_asm+0x34/0x70 [ 471.461994] ? __switch_to_asm+0x34/0x70 [ 471.466056] ? __switch_to_asm+0x40/0x70 [ 471.470121] ? __switch_to_asm+0x34/0x70 [ 471.474183] ? __switch_to_asm+0x40/0x70 [ 471.478244] ? __switch_to_asm+0x40/0x70 [ 471.482309] ? __switch_to_asm+0x34/0x70 [ 471.486370] ? __switch_to_asm+0x34/0x70 [ 471.490444] ? __switch_to_asm+0x40/0x70 [ 471.494526] ? __switch_to_asm+0x34/0x70 [ 471.498624] bpf_clone_redirect+0xb9/0x490 [ 471.502872] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 471.507911] ? __sched_text_start+0x8/0x8 [ 471.512071] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 471.516853] ? find_held_lock+0x36/0x1c0 [ 471.520932] ? lock_acquire+0x1ed/0x520 [ 471.524914] ? bpf_test_run+0x3ee/0x7a0 [ 471.528893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.534441] ? check_preemption_disabled+0x48/0x280 [ 471.539472] ? kasan_check_read+0x11/0x20 [ 471.543622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 471.548907] ? rcu_softirq_qs+0x20/0x20 [ 471.552892] ? preempt_schedule+0x4d/0x60 [ 471.557049] ? ___preempt_schedule+0x16/0x18 [ 471.561473] ? bpf_test_run+0x271/0x7a0 [ 471.565469] ? netlink_diag_dump+0x2a0/0x2a0 [ 471.569886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.575437] ? bpf_test_init.isra.10+0x70/0x100 [ 471.580121] ? bpf_prog_test_run_skb+0x762/0xd60 [ 471.584894] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 471.589752] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 471.595293] ? fput+0x130/0x1a0 [ 471.598581] ? __bpf_prog_get+0x9b/0x290 [ 471.602649] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 471.607501] ? bpf_prog_test_run+0x130/0x1a0 [ 471.611915] ? __x64_sys_bpf+0x3d8/0x520 [ 471.615980] ? bpf_prog_get+0x20/0x20 [ 471.619803] ? do_syscall_64+0x1b9/0x820 [ 471.623865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 471.629238] ? syscall_return_slowpath+0x5e0/0x5e0 [ 471.634172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.639024] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.644043] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 471.649065] ? prepare_exit_to_usermode+0x291/0x3b0 [ 471.654092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.658945] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 471.664330] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 471.664408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 471.671260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 471.671265] Call Trace: [ 471.671285] dump_stack+0x244/0x39d [ 471.671303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 471.671323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.677866] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 471.687150] warn_alloc.cold.116+0xb7/0x1bd [ 471.689710] syz-executor2 cpuset=syz2 mems_allowed=0 [ 471.693340] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 471.728746] ? lock_downgrade+0x900/0x900 [ 471.732904] ? trace_hardirqs_off+0xb8/0x310 [ 471.737330] ? trace_hardirqs_off+0xb8/0x310 [ 471.741754] __alloc_pages_slowpath+0x2651/0x2de0 [ 471.746630] ? warn_alloc+0x120/0x120 [ 471.750441] ? warn_alloc+0x120/0x120 [ 471.754249] ? warn_alloc+0x120/0x120 [ 471.758055] ? trace_hardirqs_off+0xb8/0x310 [ 471.762468] ? print_usage_bug+0xc0/0xc0 [ 471.766534] ? print_usage_bug+0xc0/0xc0 [ 471.770606] ? __lock_acquire+0x62f/0x4c20 [ 471.774849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.780387] ? should_fail+0x22d/0xd01 [ 471.784294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 471.789415] ? __lock_acquire+0x62f/0x4c20 [ 471.793664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 471.798767] ? __lock_acquire+0x62f/0x4c20 [ 471.803002] ? should_fail+0x22d/0xd01 [ 471.806903] ? mark_held_locks+0x130/0x130 [ 471.811149] ? mark_held_locks+0x130/0x130 [ 471.815396] ? zap_class+0x640/0x640 [ 471.819120] ? ret_from_fork+0x3a/0x50 [ 471.823012] ? __lock_acquire+0x62f/0x4c20 [ 471.827252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.832794] ? check_preemption_disabled+0x48/0x280 [ 471.837825] ? __lock_is_held+0xb5/0x140 [ 471.841919] __alloc_pages_nodemask+0xad8/0xea0 [ 471.846597] ? zap_class+0x640/0x640 [ 471.850319] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 471.855351] ? find_held_lock+0x36/0x1c0 [ 471.859433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 471.864106] ? lock_downgrade+0x900/0x900 [ 471.868267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.873813] cache_grow_begin+0xa5/0x8c0 [ 471.877878] ? do_raw_spin_unlock+0xa7/0x330 [ 471.882300] fallback_alloc+0x204/0x2e0 [ 471.886285] ____cache_alloc_node+0x1c7/0x1e0 [ 471.890787] kmem_cache_alloc_node+0xe3/0x730 [ 471.895287] ? mark_held_locks+0xc7/0x130 [ 471.899451] __alloc_skb+0x119/0x770 [ 471.903177] ? netdev_alloc_frag+0x1f0/0x1f0 [ 471.907588] ? do_raw_spin_trylock+0x270/0x270 [ 471.912175] ? kmem_cache_alloc_trace+0x353/0x750 [ 471.917026] ? queue_work_on+0x12c/0x1e0 [ 471.921097] ? switchdev_port_obj_del+0xdc/0x440 [ 471.925860] ? switchdev_trans_item_enqueue+0x260/0x260 [ 471.931233] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 471.936261] __br_mdb_notify+0x4ff/0x15d0 [ 471.940421] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 471.945538] ? __br_mdb_add+0x7f0/0x7f0 [ 471.949518] ? mark_held_locks+0x130/0x130 [ 471.953760] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 471.958869] ? debug_object_assert_init+0x368/0x4b0 [ 471.963893] ? debug_object_init_on_stack+0x20/0x20 [ 471.968918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.974471] br_mdb_notify+0x310/0x410 [ 471.978365] ? br_mdb_dump+0x27b0/0x27b0 [ 471.982452] br_multicast_del_pg+0x3df/0x790 [ 471.986873] ? br_mdb_ip_get+0x940/0x940 [ 471.990946] ? rwlock_bug.part.2+0x90/0x90 [ 471.995186] ? __lock_is_held+0xb5/0x140 [ 471.999261] br_multicast_port_group_expired+0x189/0x1e0 [ 472.004715] call_timer_fn+0x272/0x920 [ 472.008609] ? br_multicast_del_pg+0x790/0x790 [ 472.013194] ? process_timeout+0x40/0x40 [ 472.017268] ? __run_timers+0x7da/0xc70 [ 472.021248] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.025748] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.030248] ? br_multicast_del_pg+0x790/0x790 [ 472.034834] ? lockdep_hardirqs_on+0x296/0x5b0 [ 472.039434] ? trace_hardirqs_on+0xbd/0x310 [ 472.043765] ? kasan_check_read+0x11/0x20 [ 472.047917] ? __run_timers+0x7da/0xc70 [ 472.051905] ? trace_hardirqs_off_caller+0x310/0x310 [ 472.057023] ? br_multicast_del_pg+0x790/0x790 [ 472.061617] ? br_multicast_del_pg+0x790/0x790 [ 472.066199] __run_timers+0x7e5/0xc70 [ 472.070012] ? timer_fixup_init+0x70/0x70 [ 472.074162] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.078657] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.083164] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 472.087753] ? trace_hardirqs_on+0xbd/0x310 [ 472.092082] ? kasan_check_read+0x11/0x20 [ 472.096234] ? finish_task_switch+0x1f4/0x910 [ 472.100736] ? trace_hardirqs_off_caller+0x310/0x310 [ 472.105845] ? compat_start_thread+0x80/0x80 [ 472.110278] ? pvclock_read_flags+0x160/0x160 [ 472.114774] ? __switch_to_asm+0x34/0x70 [ 472.118838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.124382] ? check_preemption_disabled+0x48/0x280 [ 472.129428] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 472.134986] ? rcu_pm_notify+0xc0/0xc0 [ 472.138885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.144447] ? check_preemption_disabled+0x48/0x280 [ 472.149476] run_timer_softirq+0x52/0xb0 [ 472.153544] ? rcu_read_lock_sched_held+0x14f/0x180 [ 472.158568] __do_softirq+0x308/0xb7e [ 472.162375] ? retint_kernel+0x2d/0x2d [ 472.166276] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 472.171382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 472.176842] ? retint_kernel+0x2d/0x2d [ 472.180736] ? schedule+0x108/0x460 [ 472.184377] ? trace_hardirqs_off+0xb8/0x310 [ 472.188799] ? smpboot_thread_fn+0x68b/0xa00 [ 472.193741] ? trace_hardirqs_on+0x310/0x310 [ 472.198152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 472.203694] ? check_preemption_disabled+0x48/0x280 [ 472.208713] ? takeover_tasklets+0xa90/0xa90 [ 472.213130] run_ksoftirqd+0x5e/0x100 [ 472.216939] smpboot_thread_fn+0x68b/0xa00 [ 472.221183] ? sort_range+0x30/0x30 [ 472.224813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 472.229919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 472.235469] ? __kthread_parkme+0xfb/0x1a0 [ 472.239710] ? sort_range+0x30/0x30 [ 472.243340] kthread+0x35a/0x440 [ 472.246712] ? kthread_stop+0x900/0x900 [ 472.250691] ret_from_fork+0x3a/0x50 [ 472.254432] warn_alloc_show_mem: 1 callbacks suppressed [ 472.254445] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 472.254447] Mem-Info: [ 472.254478] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 472.254478] active_file:133 inactive_file:117 isolated_file:0 [ 472.254478] unevictable:0 dirty:3 writeback:0 unstable:0 [ 472.254478] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 472.254478] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 472.254478] free:13727 free_pcp:164 free_cma:0 [ 472.259812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 472.259821] Call Trace: [ 472.267195] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 472.269609] [ 472.302833] 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 [ 472.312204] dump_stack+0x244/0x39d [ 472.314766] lowmem_reserve[]: 0 2818 6321 6321 [ 472.342562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 472.344690] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 472.370811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.374416] lowmem_reserve[]: 0 0 3503 3503 [ 472.379012] warn_alloc.cold.116+0xb7/0x1bd [ 472.384198] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 472.411795] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 472.417306] lowmem_reserve[]: 0 0 0 0 [ 472.421627] ? lock_downgrade+0x900/0x900 [ 472.425927] 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 [ 472.455161] ? trace_hardirqs_off+0xb8/0x310 [ 472.459977] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 472.463778] ? trace_hardirqs_off+0xb8/0x310 [ 472.467899] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 472.481439] __alloc_pages_slowpath+0x2651/0x2de0 [ 472.485820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 472.501181] ? warn_alloc+0x120/0x120 [ 472.505550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 472.519060] ? warn_alloc+0x120/0x120 [ 472.523880] 2220 total pagecache pages [ 472.532706] ? warn_alloc+0x120/0x120 [ 472.536494] 0 pages in swap cache [ 472.545078] ? print_usage_bug+0xc0/0xc0 [ 472.548857] Swap cache stats: add 0, delete 0, find 0/0 [ 472.552733] ? mark_held_locks+0x130/0x130 [ 472.556512] Free swap = 0kB [ 472.559961] ? print_usage_bug+0xc0/0xc0 [ 472.563996] Total swap = 0kB [ 472.569376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 472.573598] 1965979 pages RAM [ 472.576610] ? should_fail+0x22d/0xd01 [ 472.580647] 0 pages HighMem/MovableOnly [ 472.583661] ? zap_class+0x640/0x640 [ 472.589175] 342854 pages reserved [ 472.589183] 0 pages cma reserved [ 472.592301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 472.596320] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 472.600147] ? __lock_acquire+0x62f/0x4c20 [ 472.603842] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 472.607287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 472.639965] ? should_fail+0x22d/0xd01 [ 472.643852] ? mark_held_locks+0x130/0x130 [ 472.648102] ? mark_held_locks+0x130/0x130 [ 472.652360] ? mark_held_locks+0x130/0x130 [ 472.656599] ? print_usage_bug+0xc0/0xc0 [ 472.660669] ? find_held_lock+0x36/0x1c0 [ 472.664734] ? zap_class+0x640/0x640 [ 472.668458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.674002] ? check_preemption_disabled+0x48/0x280 [ 472.679027] ? __lock_is_held+0xb5/0x140 [ 472.683097] __alloc_pages_nodemask+0xad8/0xea0 [ 472.687768] ? zap_class+0x640/0x640 [ 472.691492] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 472.696520] ? find_held_lock+0x36/0x1c0 [ 472.700597] ? ____cache_alloc_node+0x1c7/0x1e0 [ 472.705271] ? lock_downgrade+0x900/0x900 [ 472.709437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.714982] cache_grow_begin+0xa5/0x8c0 [ 472.719042] ? do_raw_spin_unlock+0xa7/0x330 [ 472.723463] fallback_alloc+0x204/0x2e0 [ 472.727466] ____cache_alloc_node+0x1c7/0x1e0 [ 472.731981] kmem_cache_alloc_node+0xe3/0x730 [ 472.736477] ? mark_held_locks+0xc7/0x130 [ 472.740637] __alloc_skb+0x119/0x770 [ 472.744360] ? netdev_alloc_frag+0x1f0/0x1f0 [ 472.748787] ? do_raw_spin_trylock+0x270/0x270 [ 472.753375] ? kmem_cache_alloc_trace+0x353/0x750 [ 472.758234] ? queue_work_on+0x12c/0x1e0 [ 472.762305] ? switchdev_port_obj_del+0xdc/0x440 [ 472.767064] ? switchdev_trans_item_enqueue+0x260/0x260 [ 472.772443] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 472.777469] __br_mdb_notify+0x4ff/0x15d0 [ 472.781616] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 472.786735] ? __br_mdb_add+0x7f0/0x7f0 [ 472.790713] ? mark_held_locks+0x130/0x130 [ 472.794953] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 472.800065] ? debug_object_assert_init+0x368/0x4b0 [ 472.805083] ? trace_hardirqs_off_caller+0x310/0x310 [ 472.810192] ? debug_object_init_on_stack+0x20/0x20 [ 472.815207] ? zap_class+0x640/0x640 [ 472.818921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.824467] br_mdb_notify+0x310/0x410 [ 472.828355] ? br_mdb_dump+0x27b0/0x27b0 [ 472.832446] br_multicast_del_pg+0x3df/0x790 [ 472.836866] ? br_mdb_ip_get+0x940/0x940 [ 472.840930] ? rwlock_bug.part.2+0x90/0x90 [ 472.845187] ? __lock_is_held+0xb5/0x140 [ 472.849261] br_multicast_port_group_expired+0x189/0x1e0 [ 472.854715] call_timer_fn+0x272/0x920 [ 472.858604] ? br_multicast_del_pg+0x790/0x790 [ 472.863186] ? process_timeout+0x40/0x40 [ 472.867259] ? __run_timers+0x7da/0xc70 [ 472.871235] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.875730] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.880230] ? br_multicast_del_pg+0x790/0x790 [ 472.884814] ? lockdep_hardirqs_on+0x296/0x5b0 [ 472.889410] ? trace_hardirqs_on+0xbd/0x310 [ 472.893742] ? kasan_check_read+0x11/0x20 [ 472.897891] ? __run_timers+0x7da/0xc70 [ 472.901869] ? trace_hardirqs_off_caller+0x310/0x310 [ 472.906981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.911224] ? br_multicast_del_pg+0x790/0x790 [ 472.915808] __run_timers+0x7e5/0xc70 [ 472.919619] ? timer_fixup_init+0x70/0x70 [ 472.923772] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 472.928790] ? zap_class+0x640/0x640 [ 472.932509] ? enqueue_hrtimer+0x1a5/0x560 [ 472.936749] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 472.941950] ? find_held_lock+0x36/0x1c0 [ 472.946018] ? zap_class+0x640/0x640 [ 472.949740] ? pvclock_read_flags+0x160/0x160 [ 472.954241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.959781] ? check_preemption_disabled+0x48/0x280 [ 472.964807] ? __lock_is_held+0xb5/0x140 [ 472.968868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.974416] ? check_preemption_disabled+0x48/0x280 [ 472.979451] run_timer_softirq+0x52/0xb0 [ 472.983517] ? rcu_read_lock_sched_held+0x14f/0x180 [ 472.988538] __do_softirq+0x308/0xb7e [ 472.992344] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 472.996871] ? lock_downgrade+0x900/0x900 [ 473.001037] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 473.006149] ? pvclock_read_flags+0x160/0x160 [ 473.010647] ? lapic_next_event+0x5a/0x90 [ 473.014798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.020342] ? kvm_clock_read+0x18/0x30 [ 473.024317] ? kvm_sched_clock_read+0x9/0x20 [ 473.028728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.034266] ? check_preemption_disabled+0x48/0x280 [ 473.039295] irq_exit+0x17f/0x1c0 [ 473.042754] smp_apic_timer_interrupt+0x1cb/0x760 [ 473.047601] ? smp_reschedule_interrupt+0x109/0x650 [ 473.052618] ? smp_call_function_single_interrupt+0x650/0x650 [ 473.058506] ? interrupt_entry+0xb5/0xc0 [ 473.063080] ? trace_hardirqs_off_caller+0xbb/0x310 [ 473.068097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 473.073118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.077967] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.082983] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.088000] ? task_prio+0x50/0x50 [ 473.091542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.097083] ? check_preemption_disabled+0x48/0x280 [ 473.102105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.106956] apic_timer_interrupt+0xf/0x20 [ 473.111187] [ 473.113455] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 473.118386] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 473.137300] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 473.145010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 473.152275] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 473.159543] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 473.166896] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 473.174167] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 473.181478] skb_clone+0x1bb/0x500 [ 473.185021] ? skb_split+0x11e0/0x11e0 [ 473.188916] ? preempt_notifier_register+0x200/0x200 [ 473.194016] ? __switch_to_asm+0x34/0x70 [ 473.198092] ? __switch_to_asm+0x34/0x70 [ 473.202153] ? __switch_to_asm+0x40/0x70 [ 473.206213] ? __switch_to_asm+0x34/0x70 [ 473.210274] ? __switch_to_asm+0x40/0x70 [ 473.214338] ? __switch_to_asm+0x40/0x70 [ 473.218397] ? __switch_to_asm+0x34/0x70 [ 473.222473] ? __switch_to_asm+0x34/0x70 [ 473.226531] ? __switch_to_asm+0x40/0x70 [ 473.230589] ? __switch_to_asm+0x34/0x70 [ 473.234655] bpf_clone_redirect+0xb9/0x490 [ 473.238898] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 473.243922] ? __sched_text_start+0x8/0x8 [ 473.248074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 473.252842] ? find_held_lock+0x36/0x1c0 [ 473.256913] ? lock_acquire+0x1ed/0x520 [ 473.260905] ? bpf_test_run+0x3ee/0x7a0 [ 473.264899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.270444] ? check_preemption_disabled+0x48/0x280 [ 473.275468] ? kasan_check_read+0x11/0x20 [ 473.279634] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.284913] ? rcu_softirq_qs+0x20/0x20 [ 473.288889] ? preempt_schedule+0x4d/0x60 [ 473.293043] ? ___preempt_schedule+0x16/0x18 [ 473.297466] ? bpf_test_run+0x271/0x7a0 [ 473.301458] ? netlink_diag_dump+0x2a0/0x2a0 [ 473.305871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.311426] ? bpf_test_init.isra.10+0x70/0x100 [ 473.316105] ? bpf_prog_test_run_skb+0x762/0xd60 [ 473.320873] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 473.325727] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 473.331266] ? fput+0x130/0x1a0 [ 473.334550] ? __bpf_prog_get+0x9b/0x290 [ 473.338615] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 473.343459] ? bpf_prog_test_run+0x130/0x1a0 [ 473.347871] ? __x64_sys_bpf+0x3d8/0x520 [ 473.351936] ? bpf_prog_get+0x20/0x20 [ 473.355756] ? do_syscall_64+0x1b9/0x820 [ 473.359815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 473.365186] ? syscall_return_slowpath+0x5e0/0x5e0 [ 473.370118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.374963] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.379979] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 473.385002] ? prepare_exit_to_usermode+0x291/0x3b0 [ 473.390026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.394874] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 473.400262] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 473.400418] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 473.407194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 473.417664] syz-executor2 cpuset=syz2 mems_allowed=0 [ 473.427007] Call Trace: [ 473.434676] dump_stack+0x244/0x39d [ 473.438312] ? dump_stack_print_info.cold.1+0x20/0x20 [ 473.443507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.449054] warn_alloc.cold.116+0xb7/0x1bd [ 473.453378] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 473.458248] ? lock_downgrade+0x900/0x900 [ 473.462413] ? trace_hardirqs_off+0xb8/0x310 [ 473.466834] ? trace_hardirqs_off+0xb8/0x310 [ 473.471251] __alloc_pages_slowpath+0x2651/0x2de0 [ 473.476124] ? warn_alloc+0x120/0x120 [ 473.479938] ? warn_alloc+0x120/0x120 [ 473.483746] ? warn_alloc+0x120/0x120 [ 473.487550] ? trace_hardirqs_off+0xb8/0x310 [ 473.491960] ? print_usage_bug+0xc0/0xc0 [ 473.496026] ? print_usage_bug+0xc0/0xc0 [ 473.500094] ? __lock_acquire+0x62f/0x4c20 [ 473.504329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.509870] ? should_fail+0x22d/0xd01 [ 473.513765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 473.518870] ? __lock_acquire+0x62f/0x4c20 [ 473.523115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 473.528217] ? __lock_acquire+0x62f/0x4c20 [ 473.532454] ? should_fail+0x22d/0xd01 [ 473.536355] ? mark_held_locks+0x130/0x130 [ 473.540601] ? mark_held_locks+0x130/0x130 [ 473.544844] ? zap_class+0x640/0x640 [ 473.548559] ? ret_from_fork+0x3a/0x50 [ 473.552446] ? __lock_acquire+0x62f/0x4c20 [ 473.556684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.562225] ? check_preemption_disabled+0x48/0x280 [ 473.567263] ? __lock_is_held+0xb5/0x140 [ 473.571343] __alloc_pages_nodemask+0xad8/0xea0 [ 473.576016] ? zap_class+0x640/0x640 [ 473.579752] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 473.584781] ? find_held_lock+0x36/0x1c0 [ 473.588859] ? ____cache_alloc_node+0x1c7/0x1e0 [ 473.593530] ? lock_downgrade+0x900/0x900 [ 473.597686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.603229] cache_grow_begin+0xa5/0x8c0 [ 473.607291] ? do_raw_spin_unlock+0xa7/0x330 [ 473.611708] fallback_alloc+0x204/0x2e0 [ 473.615689] ____cache_alloc_node+0x1c7/0x1e0 [ 473.620217] kmem_cache_alloc_node+0xe3/0x730 [ 473.624713] ? mark_held_locks+0xc7/0x130 [ 473.628876] __alloc_skb+0x119/0x770 [ 473.632600] ? netdev_alloc_frag+0x1f0/0x1f0 [ 473.637008] ? do_raw_spin_trylock+0x270/0x270 [ 473.641591] ? kmem_cache_alloc_trace+0x353/0x750 [ 473.646443] ? queue_work_on+0x12c/0x1e0 [ 473.650513] ? switchdev_port_obj_del+0xdc/0x440 [ 473.655272] ? switchdev_trans_item_enqueue+0x260/0x260 [ 473.660645] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 473.665673] __br_mdb_notify+0x4ff/0x15d0 [ 473.669822] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 473.674945] ? __br_mdb_add+0x7f0/0x7f0 [ 473.678933] ? mark_held_locks+0x130/0x130 [ 473.683178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 473.688286] ? debug_object_assert_init+0x368/0x4b0 [ 473.693327] ? debug_object_init_on_stack+0x20/0x20 [ 473.698349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.703893] br_mdb_notify+0x310/0x410 [ 473.707788] ? br_mdb_dump+0x27b0/0x27b0 [ 473.711895] br_multicast_del_pg+0x3df/0x790 [ 473.716324] ? br_mdb_ip_get+0x940/0x940 [ 473.720392] ? rwlock_bug.part.2+0x90/0x90 [ 473.724646] ? __lock_is_held+0xb5/0x140 [ 473.728722] br_multicast_port_group_expired+0x189/0x1e0 [ 473.734177] call_timer_fn+0x272/0x920 [ 473.738066] ? br_multicast_del_pg+0x790/0x790 [ 473.742652] ? process_timeout+0x40/0x40 [ 473.746721] ? __run_timers+0x7da/0xc70 [ 473.750702] ? _raw_spin_unlock_irq+0x27/0x80 [ 473.755200] ? _raw_spin_unlock_irq+0x27/0x80 [ 473.759695] ? br_multicast_del_pg+0x790/0x790 [ 473.764282] ? lockdep_hardirqs_on+0x296/0x5b0 [ 473.768868] ? trace_hardirqs_on+0xbd/0x310 [ 473.773189] ? kasan_check_read+0x11/0x20 [ 473.777335] ? __run_timers+0x7da/0xc70 [ 473.781315] ? trace_hardirqs_off_caller+0x310/0x310 [ 473.786430] ? br_multicast_del_pg+0x790/0x790 [ 473.791024] ? br_multicast_del_pg+0x790/0x790 [ 473.795608] __run_timers+0x7e5/0xc70 [ 473.799432] ? timer_fixup_init+0x70/0x70 [ 473.803584] ? _raw_spin_unlock_irq+0x27/0x80 [ 473.808077] ? _raw_spin_unlock_irq+0x27/0x80 [ 473.812578] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 473.817164] ? trace_hardirqs_on+0xbd/0x310 [ 473.821491] ? kasan_check_read+0x11/0x20 [ 473.825641] ? finish_task_switch+0x1f4/0x910 [ 473.830142] ? trace_hardirqs_off_caller+0x310/0x310 [ 473.835245] ? compat_start_thread+0x80/0x80 [ 473.839681] ? pvclock_read_flags+0x160/0x160 [ 473.844176] ? __switch_to_asm+0x34/0x70 [ 473.848242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.853784] ? check_preemption_disabled+0x48/0x280 [ 473.858811] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 473.864349] ? rcu_pm_notify+0xc0/0xc0 [ 473.868238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.873780] ? check_preemption_disabled+0x48/0x280 [ 473.878803] run_timer_softirq+0x52/0xb0 [ 473.882865] ? rcu_read_lock_sched_held+0x14f/0x180 [ 473.887884] __do_softirq+0x308/0xb7e [ 473.891690] ? retint_kernel+0x2d/0x2d [ 473.895586] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 473.900691] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 473.906645] ? retint_kernel+0x2d/0x2d [ 473.910545] ? schedule+0x108/0x460 [ 473.914186] ? trace_hardirqs_off+0xb8/0x310 [ 473.918601] ? smpboot_thread_fn+0x68b/0xa00 [ 473.923018] ? trace_hardirqs_on+0x310/0x310 [ 473.927433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.932976] ? check_preemption_disabled+0x48/0x280 [ 473.937999] ? takeover_tasklets+0xa90/0xa90 [ 473.942421] run_ksoftirqd+0x5e/0x100 [ 473.946226] smpboot_thread_fn+0x68b/0xa00 [ 473.950467] ? sort_range+0x30/0x30 [ 473.954094] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 473.959198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.964742] ? __kthread_parkme+0xfb/0x1a0 [ 473.968980] ? sort_range+0x30/0x30 [ 473.972608] kthread+0x35a/0x440 [ 473.975977] ? kthread_stop+0x900/0x900 [ 473.979957] ret_from_fork+0x3a/0x50 [ 473.983686] warn_alloc_show_mem: 1 callbacks suppressed [ 473.983699] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 473.983700] Mem-Info: [ 473.983732] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 473.983732] active_file:133 inactive_file:117 isolated_file:0 [ 473.983732] unevictable:0 dirty:3 writeback:0 unstable:0 [ 473.983732] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 473.983732] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 473.983732] free:13727 free_pcp:164 free_cma:0 [ 473.989069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 473.996439] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 473.998844] Call Trace: [ 474.032454] 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 [ 474.041800] [ 474.069533] lowmem_reserve[]: 0 2818 6321 6321 [ 474.072127] dump_stack+0x244/0x39d [ 474.098210] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 474.100363] ? dump_stack_print_info.cold.1+0x20/0x20 [ 474.104916] lowmem_reserve[]: 0 0 3503 3503 [ 474.108545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.136107] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 474.141296] warn_alloc.cold.116+0xb7/0x1bd [ 474.145585] lowmem_reserve[]: 0 0 0 0 [ 474.151154] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 474.180734] 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 [ 474.185056] ? lock_downgrade+0x900/0x900 [ 474.188831] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 474.193865] ? trace_hardirqs_off+0xb8/0x310 [ 474.207369] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 474.211515] ? trace_hardirqs_off+0xb8/0x310 [ 474.226843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 474.231239] __alloc_pages_slowpath+0x2651/0x2de0 [ 474.244738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 474.249172] ? warn_alloc+0x120/0x120 [ 474.257961] 2220 total pagecache pages [ 474.262796] ? warn_alloc+0x120/0x120 [ 474.271356] 0 pages in swap cache [ 474.275148] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 474.279013] Swap cache stats: add 0, delete 0, find 0/0 [ 474.282804] ? warn_alloc+0x120/0x120 [ 474.286237] Free swap = 0kB [ 474.291245] ? print_usage_bug+0xc0/0xc0 [ 474.296587] Total swap = 0kB [ 474.300381] ? print_usage_bug+0xc0/0xc0 [ 474.303380] 1965979 pages RAM [ 474.307450] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 474.310443] 0 pages HighMem/MovableOnly [ 474.314504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 474.317582] 342854 pages reserved [ 474.322762] ? should_fail+0x22d/0xd01 [ 474.326713] 0 pages cma reserved [ 474.332246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 474.335830] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 474.339559] ? __lock_acquire+0x62f/0x4c20 [ 474.342904] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 474.347999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 474.372247] ? should_fail+0x22d/0xd01 [ 474.376148] ? mark_held_locks+0x130/0x130 [ 474.380387] ? mark_held_locks+0x130/0x130 [ 474.384636] ? print_usage_bug+0xc0/0xc0 [ 474.388707] ? find_held_lock+0x36/0x1c0 [ 474.392772] ? zap_class+0x640/0x640 [ 474.396498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.402036] ? check_preemption_disabled+0x48/0x280 [ 474.407090] ? __lock_is_held+0xb5/0x140 [ 474.411158] __alloc_pages_nodemask+0xad8/0xea0 [ 474.415828] ? zap_class+0x640/0x640 [ 474.419560] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 474.424587] ? find_held_lock+0x36/0x1c0 [ 474.428660] ? ____cache_alloc_node+0x1c7/0x1e0 [ 474.433334] ? lock_downgrade+0x900/0x900 [ 474.437489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.443035] cache_grow_begin+0xa5/0x8c0 [ 474.447099] ? do_raw_spin_unlock+0xa7/0x330 [ 474.451521] fallback_alloc+0x204/0x2e0 [ 474.455507] ____cache_alloc_node+0x1c7/0x1e0 [ 474.460013] kmem_cache_alloc_node+0xe3/0x730 [ 474.464516] ? mark_held_locks+0xc7/0x130 [ 474.468680] __alloc_skb+0x119/0x770 [ 474.472471] ? netdev_alloc_frag+0x1f0/0x1f0 [ 474.476879] ? do_raw_spin_trylock+0x270/0x270 [ 474.481468] ? kmem_cache_alloc_trace+0x353/0x750 [ 474.486316] ? queue_work_on+0x12c/0x1e0 [ 474.490386] ? switchdev_port_obj_del+0xdc/0x440 [ 474.495158] ? switchdev_trans_item_enqueue+0x260/0x260 [ 474.500529] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 474.505558] __br_mdb_notify+0x4ff/0x15d0 [ 474.509706] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.514821] ? __br_mdb_add+0x7f0/0x7f0 [ 474.518797] ? mark_held_locks+0x130/0x130 [ 474.523037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 474.528146] ? debug_object_assert_init+0x368/0x4b0 [ 474.533195] ? debug_object_init_on_stack+0x20/0x20 [ 474.538211] ? zap_class+0x640/0x640 [ 474.541932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.547488] br_mdb_notify+0x310/0x410 [ 474.551381] ? br_mdb_dump+0x27b0/0x27b0 [ 474.555475] br_multicast_del_pg+0x3df/0x790 [ 474.559895] ? br_mdb_ip_get+0x940/0x940 [ 474.563972] ? rwlock_bug.part.2+0x90/0x90 [ 474.568210] ? __lock_is_held+0xb5/0x140 [ 474.572283] br_multicast_port_group_expired+0x189/0x1e0 [ 474.577738] call_timer_fn+0x272/0x920 [ 474.581628] ? br_multicast_del_pg+0x790/0x790 [ 474.586216] ? process_timeout+0x40/0x40 [ 474.590290] ? __run_timers+0x7da/0xc70 [ 474.594288] ? _raw_spin_unlock_irq+0x27/0x80 [ 474.598786] ? _raw_spin_unlock_irq+0x27/0x80 [ 474.603281] ? br_multicast_del_pg+0x790/0x790 [ 474.607867] ? lockdep_hardirqs_on+0x296/0x5b0 [ 474.612470] ? trace_hardirqs_on+0xbd/0x310 [ 474.616794] ? kasan_check_read+0x11/0x20 [ 474.620938] ? __run_timers+0x7da/0xc70 [ 474.624919] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.630024] ? br_multicast_del_pg+0x790/0x790 [ 474.634613] ? br_multicast_del_pg+0x790/0x790 [ 474.639193] __run_timers+0x7e5/0xc70 [ 474.643007] ? timer_fixup_init+0x70/0x70 [ 474.647159] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 474.652183] ? zap_class+0x640/0x640 [ 474.655901] ? enqueue_hrtimer+0x1a5/0x560 [ 474.660139] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 474.665353] ? find_held_lock+0x36/0x1c0 [ 474.669430] ? zap_class+0x640/0x640 [ 474.673149] ? pvclock_read_flags+0x160/0x160 [ 474.677647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.683187] ? check_preemption_disabled+0x48/0x280 [ 474.688216] ? __lock_is_held+0xb5/0x140 [ 474.692282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.697888] ? check_preemption_disabled+0x48/0x280 [ 474.702924] run_timer_softirq+0x52/0xb0 [ 474.706988] ? rcu_read_lock_sched_held+0x14f/0x180 [ 474.712005] __do_softirq+0x308/0xb7e [ 474.715808] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 474.720331] ? lock_downgrade+0x900/0x900 [ 474.724483] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 474.729593] ? pvclock_read_flags+0x160/0x160 [ 474.734105] ? lapic_next_event+0x5a/0x90 [ 474.738259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.743806] ? kvm_clock_read+0x18/0x30 [ 474.747786] ? kvm_sched_clock_read+0x9/0x20 [ 474.752199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.757739] ? check_preemption_disabled+0x48/0x280 [ 474.762766] irq_exit+0x17f/0x1c0 [ 474.766225] smp_apic_timer_interrupt+0x1cb/0x760 [ 474.771073] ? smp_reschedule_interrupt+0x109/0x650 [ 474.776091] ? smp_call_function_single_interrupt+0x650/0x650 [ 474.781976] ? interrupt_entry+0xb5/0xc0 [ 474.786042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 474.791059] ? trace_hardirqs_off_caller+0xbb/0x310 [ 474.796077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.800921] ? trace_hardirqs_on_caller+0x310/0x310 [ 474.805940] ? trace_hardirqs_on_caller+0x310/0x310 [ 474.810958] ? task_prio+0x50/0x50 [ 474.814516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.820055] ? check_preemption_disabled+0x48/0x280 [ 474.825078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.829927] apic_timer_interrupt+0xf/0x20 [ 474.834161] [ 474.836410] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 474.841351] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 474.860249] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 474.867955] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 474.875225] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 474.882491] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 474.889756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 474.897024] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 474.904334] skb_clone+0x1bb/0x500 [ 474.907877] ? skb_split+0x11e0/0x11e0 [ 474.911769] ? preempt_notifier_register+0x200/0x200 [ 474.916874] ? __switch_to_asm+0x34/0x70 [ 474.920938] ? __switch_to_asm+0x34/0x70 [ 474.924997] ? __switch_to_asm+0x40/0x70 [ 474.929056] ? __switch_to_asm+0x34/0x70 [ 474.933117] ? __switch_to_asm+0x40/0x70 [ 474.937178] ? __switch_to_asm+0x40/0x70 [ 474.941235] ? __switch_to_asm+0x34/0x70 [ 474.945300] ? __switch_to_asm+0x34/0x70 [ 474.949362] ? __switch_to_asm+0x40/0x70 [ 474.953437] ? __switch_to_asm+0x34/0x70 [ 474.957503] bpf_clone_redirect+0xb9/0x490 [ 474.961750] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 474.966770] ? __sched_text_start+0x8/0x8 [ 474.970920] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 474.975695] ? find_held_lock+0x36/0x1c0 [ 474.979766] ? lock_acquire+0x1ed/0x520 [ 474.983743] ? bpf_test_run+0x3ee/0x7a0 [ 474.987720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.993259] ? check_preemption_disabled+0x48/0x280 [ 474.998294] ? kasan_check_read+0x11/0x20 [ 475.002447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 475.007725] ? rcu_softirq_qs+0x20/0x20 [ 475.011702] ? preempt_schedule+0x4d/0x60 [ 475.015850] ? ___preempt_schedule+0x16/0x18 [ 475.020284] ? bpf_test_run+0x271/0x7a0 [ 475.024274] ? netlink_diag_dump+0x2a0/0x2a0 [ 475.028685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 475.034226] ? bpf_test_init.isra.10+0x70/0x100 [ 475.038902] ? bpf_prog_test_run_skb+0x762/0xd60 [ 475.043669] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 475.048519] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 475.054060] ? fput+0x130/0x1a0 [ 475.057346] ? __bpf_prog_get+0x9b/0x290 [ 475.061857] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 475.066702] ? bpf_prog_test_run+0x130/0x1a0 [ 475.071118] ? __x64_sys_bpf+0x3d8/0x520 [ 475.075182] ? bpf_prog_get+0x20/0x20 [ 475.079006] ? do_syscall_64+0x1b9/0x820 [ 475.083065] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 475.088448] ? syscall_return_slowpath+0x5e0/0x5e0 [ 475.093381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.098239] ? trace_hardirqs_on_caller+0x310/0x310 [ 475.103256] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 475.108288] ? prepare_exit_to_usermode+0x291/0x3b0 [ 475.113310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.118161] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 475.123543] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 475.123697] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 475.130476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.140942] syz-executor2 cpuset=syz2 mems_allowed=0 [ 475.150286] Call Trace: [ 475.157964] dump_stack+0x244/0x39d [ 475.161614] ? dump_stack_print_info.cold.1+0x20/0x20 [ 475.166807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.172354] warn_alloc.cold.116+0xb7/0x1bd [ 475.176679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 475.181531] ? lock_downgrade+0x900/0x900 [ 475.185688] ? trace_hardirqs_off+0xb8/0x310 [ 475.190135] ? trace_hardirqs_off+0xb8/0x310 [ 475.195031] __alloc_pages_slowpath+0x2651/0x2de0 [ 475.199905] ? warn_alloc+0x120/0x120 [ 475.203714] ? warn_alloc+0x120/0x120 [ 475.207519] ? warn_alloc+0x120/0x120 [ 475.211323] ? print_usage_bug+0xc0/0xc0 [ 475.215386] ? __lock_acquire+0x62f/0x4c20 [ 475.219634] ? __lock_acquire+0x62f/0x4c20 [ 475.223875] ? print_usage_bug+0xc0/0xc0 [ 475.227940] ? __lock_acquire+0x62f/0x4c20 [ 475.232177] ? __lock_is_held+0xb5/0x140 [ 475.236240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 475.241798] ? should_fail+0x22d/0xd01 [ 475.245703] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 475.250806] ? __lock_acquire+0x62f/0x4c20 [ 475.255050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 475.260152] ? __lock_acquire+0x62f/0x4c20 [ 475.264387] ? should_fail+0x22d/0xd01 [ 475.268294] ? mark_held_locks+0x130/0x130 [ 475.272534] ? mark_held_locks+0x130/0x130 [ 475.276768] ? find_held_lock+0x36/0x1c0 [ 475.280839] ? zap_class+0x640/0x640 [ 475.284557] ? print_usage_bug+0xc0/0xc0 [ 475.288621] ? mark_held_locks+0x130/0x130 [ 475.292859] ? zap_class+0x640/0x640 [ 475.296576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.302119] ? check_preemption_disabled+0x48/0x280 [ 475.307144] ? __lock_is_held+0xb5/0x140 [ 475.311211] __alloc_pages_nodemask+0xad8/0xea0 [ 475.315884] ? zap_class+0x640/0x640 [ 475.319605] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 475.324635] ? find_held_lock+0x36/0x1c0 [ 475.328706] ? ____cache_alloc_node+0x1c7/0x1e0 [ 475.333379] ? lock_downgrade+0x900/0x900 [ 475.337544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.343086] cache_grow_begin+0xa5/0x8c0 [ 475.347147] ? do_raw_spin_unlock+0xa7/0x330 [ 475.351568] fallback_alloc+0x204/0x2e0 [ 475.355550] ____cache_alloc_node+0x1c7/0x1e0 [ 475.360055] kmem_cache_alloc_node+0xe3/0x730 [ 475.364551] ? ipv6_get_ifaddr+0x42e/0x620 [ 475.368813] __alloc_skb+0x119/0x770 [ 475.372573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 475.377856] ? netdev_alloc_frag+0x1f0/0x1f0 [ 475.382284] ? lock_downgrade+0x900/0x900 [ 475.386465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.392006] ? refcount_sub_and_test_checked+0x203/0x310 [ 475.397463] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 475.402913] ? addrconf_rs_timer+0x690/0x690 [ 475.407339] ndisc_alloc_skb+0x144/0x340 [ 475.411416] ndisc_send_rs+0x331/0x6e0 [ 475.415313] addrconf_rs_timer+0x314/0x690 [ 475.419559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 475.423809] call_timer_fn+0x272/0x920 [ 475.427696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 475.431939] ? process_timeout+0x40/0x40 [ 475.436008] ? __run_timers+0x7da/0xc70 [ 475.439991] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.444488] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.448985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 475.453219] ? lockdep_hardirqs_on+0x296/0x5b0 [ 475.457806] ? trace_hardirqs_on+0xbd/0x310 [ 475.462126] ? kasan_check_read+0x11/0x20 [ 475.466273] ? __run_timers+0x7da/0xc70 [ 475.470248] ? trace_hardirqs_off_caller+0x310/0x310 [ 475.475362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 475.479599] __run_timers+0x7e5/0xc70 [ 475.483420] ? timer_fixup_init+0x70/0x70 [ 475.487569] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.492069] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.496583] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 475.501172] ? trace_hardirqs_on+0xbd/0x310 [ 475.505492] ? kasan_check_read+0x11/0x20 [ 475.509645] ? finish_task_switch+0x1f4/0x910 [ 475.514141] ? trace_hardirqs_off_caller+0x310/0x310 [ 475.519245] ? compat_start_thread+0x80/0x80 [ 475.523679] ? pvclock_read_flags+0x160/0x160 [ 475.528171] ? __switch_to_asm+0x34/0x70 [ 475.532234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.537772] ? check_preemption_disabled+0x48/0x280 [ 475.542801] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 475.548340] ? rcu_pm_notify+0xc0/0xc0 [ 475.552234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.557776] ? check_preemption_disabled+0x48/0x280 [ 475.562800] run_timer_softirq+0x52/0xb0 [ 475.566862] ? rcu_read_lock_sched_held+0x14f/0x180 [ 475.571880] __do_softirq+0x308/0xb7e [ 475.575688] ? retint_kernel+0x2d/0x2d [ 475.579603] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 475.584709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 475.590159] ? retint_kernel+0x2d/0x2d [ 475.594051] ? schedule+0x108/0x460 [ 475.597691] ? trace_hardirqs_off+0xb8/0x310 [ 475.602105] ? smpboot_thread_fn+0x68b/0xa00 [ 475.606514] ? trace_hardirqs_on+0x310/0x310 [ 475.610938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 475.616497] ? check_preemption_disabled+0x48/0x280 [ 475.621550] ? takeover_tasklets+0xa90/0xa90 [ 475.625965] run_ksoftirqd+0x5e/0x100 [ 475.629780] smpboot_thread_fn+0x68b/0xa00 [ 475.634061] ? sort_range+0x30/0x30 [ 475.637693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 475.642795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 475.648334] ? __kthread_parkme+0xfb/0x1a0 [ 475.652577] ? sort_range+0x30/0x30 [ 475.656210] kthread+0x35a/0x440 [ 475.659578] ? kthread_stop+0x900/0x900 [ 475.663559] ret_from_fork+0x3a/0x50 [ 475.667288] warn_alloc_show_mem: 1 callbacks suppressed [ 475.667300] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 475.667302] Mem-Info: [ 475.667335] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 475.667335] active_file:133 inactive_file:117 isolated_file:0 [ 475.667335] unevictable:0 dirty:3 writeback:0 unstable:0 [ 475.667335] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 475.667335] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 475.667335] free:13727 free_pcp:164 free_cma:0 [ 475.672667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.680031] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 475.682435] Call Trace: [ 475.715908] 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 [ 475.725253] [ 475.752988] lowmem_reserve[]: 0 2818 6321 6321 [ 475.755584] dump_stack+0x244/0x39d [ 475.781685] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 475.783831] ? dump_stack_print_info.cold.1+0x20/0x20 [ 475.788385] lowmem_reserve[]: 0 0 3503 3503 [ 475.792016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.819577] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 475.824763] warn_alloc.cold.116+0xb7/0x1bd [ 475.829057] lowmem_reserve[]: 0 0 0 0 [ 475.834587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 475.863804] 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 [ 475.868119] ? lock_downgrade+0x900/0x900 [ 475.871892] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 475.876731] ? trace_hardirqs_off+0xb8/0x310 [ 475.890224] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 475.894384] ? trace_hardirqs_off+0xb8/0x310 [ 475.909707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 475.914133] __alloc_pages_slowpath+0x2651/0x2de0 [ 475.927630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 475.932049] ? warn_alloc+0x120/0x120 [ 475.940837] 2220 total pagecache pages [ 475.945676] ? warn_alloc+0x120/0x120 [ 475.954233] 0 pages in swap cache [ 475.958020] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 475.961885] Swap cache stats: add 0, delete 0, find 0/0 [ 475.965670] ? warn_alloc+0x120/0x120 [ 475.969133] Free swap = 0kB [ 475.974140] ? print_usage_bug+0xc0/0xc0 [ 475.979482] Total swap = 0kB [ 475.983278] ? print_usage_bug+0xc0/0xc0 [ 475.986272] 1965979 pages RAM [ 475.990329] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 475.993321] 0 pages HighMem/MovableOnly [ 475.997381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 476.000457] 342854 pages reserved [ 476.005646] ? should_fail+0x22d/0xd01 [ 476.009617] 0 pages cma reserved [ 476.015152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.018650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 476.022460] ? __lock_acquire+0x62f/0x4c20 [ 476.022479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.022495] ? should_fail+0x22d/0xd01 [ 476.025900] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 476.030943] ? mark_held_locks+0x130/0x130 [ 476.037421] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 476.041654] ? mark_held_locks+0x130/0x130 [ 476.074010] ? print_usage_bug+0xc0/0xc0 [ 476.078080] ? find_held_lock+0x36/0x1c0 [ 476.082175] ? zap_class+0x640/0x640 [ 476.085917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.091462] ? check_preemption_disabled+0x48/0x280 [ 476.096492] ? __lock_is_held+0xb5/0x140 [ 476.100559] __alloc_pages_nodemask+0xad8/0xea0 [ 476.105226] ? zap_class+0x640/0x640 [ 476.108951] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 476.113999] ? find_held_lock+0x36/0x1c0 [ 476.118073] ? ____cache_alloc_node+0x1c7/0x1e0 [ 476.122743] ? lock_downgrade+0x900/0x900 [ 476.126899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.132450] cache_grow_begin+0xa5/0x8c0 [ 476.136516] ? do_raw_spin_unlock+0xa7/0x330 [ 476.140933] fallback_alloc+0x204/0x2e0 [ 476.144916] ____cache_alloc_node+0x1c7/0x1e0 [ 476.149447] kmem_cache_alloc_node+0xe3/0x730 [ 476.153944] ? mark_held_locks+0xc7/0x130 [ 476.158107] __alloc_skb+0x119/0x770 [ 476.161828] ? netdev_alloc_frag+0x1f0/0x1f0 [ 476.166257] ? do_raw_spin_trylock+0x270/0x270 [ 476.170837] ? kmem_cache_alloc_trace+0x353/0x750 [ 476.175684] ? queue_work_on+0x12c/0x1e0 [ 476.179752] ? switchdev_port_obj_del+0xdc/0x440 [ 476.184519] ? switchdev_trans_item_enqueue+0x260/0x260 [ 476.189886] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 476.195013] __br_mdb_notify+0x4ff/0x15d0 [ 476.199187] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 476.204315] ? __br_mdb_add+0x7f0/0x7f0 [ 476.208327] ? mark_held_locks+0x130/0x130 [ 476.212568] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 476.217675] ? debug_object_assert_init+0x368/0x4b0 [ 476.222695] ? debug_object_init_on_stack+0x20/0x20 [ 476.227710] ? zap_class+0x640/0x640 [ 476.231441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.236990] br_mdb_notify+0x310/0x410 [ 476.240875] ? br_mdb_dump+0x27b0/0x27b0 [ 476.244962] br_multicast_del_pg+0x3df/0x790 [ 476.249393] ? br_mdb_ip_get+0x940/0x940 [ 476.253470] ? rwlock_bug.part.2+0x90/0x90 [ 476.257711] ? __lock_is_held+0xb5/0x140 [ 476.261783] br_multicast_port_group_expired+0x189/0x1e0 [ 476.267236] call_timer_fn+0x272/0x920 [ 476.271145] ? br_multicast_del_pg+0x790/0x790 [ 476.275741] ? process_timeout+0x40/0x40 [ 476.279813] ? __run_timers+0x7da/0xc70 [ 476.283787] ? _raw_spin_unlock_irq+0x27/0x80 [ 476.288280] ? _raw_spin_unlock_irq+0x27/0x80 [ 476.292778] ? br_multicast_del_pg+0x790/0x790 [ 476.297363] ? lockdep_hardirqs_on+0x296/0x5b0 [ 476.301947] ? trace_hardirqs_on+0xbd/0x310 [ 476.306273] ? kasan_check_read+0x11/0x20 [ 476.310453] ? __run_timers+0x7da/0xc70 [ 476.314445] ? trace_hardirqs_off_caller+0x310/0x310 [ 476.319555] ? br_multicast_del_pg+0x790/0x790 [ 476.324172] ? br_multicast_del_pg+0x790/0x790 [ 476.328757] __run_timers+0x7e5/0xc70 [ 476.332569] ? timer_fixup_init+0x70/0x70 [ 476.336719] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 476.341740] ? zap_class+0x640/0x640 [ 476.345459] ? enqueue_hrtimer+0x1a5/0x560 [ 476.349696] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 476.354895] ? find_held_lock+0x36/0x1c0 [ 476.358968] ? zap_class+0x640/0x640 [ 476.362686] ? pvclock_read_flags+0x160/0x160 [ 476.367183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.372726] ? check_preemption_disabled+0x48/0x280 [ 476.377756] ? __lock_is_held+0xb5/0x140 [ 476.381824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.387357] ? check_preemption_disabled+0x48/0x280 [ 476.392378] run_timer_softirq+0x52/0xb0 [ 476.396451] ? rcu_read_lock_sched_held+0x14f/0x180 [ 476.401468] __do_softirq+0x308/0xb7e [ 476.405276] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 476.409773] ? lock_downgrade+0x900/0x900 [ 476.413931] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 476.419044] ? pvclock_read_flags+0x160/0x160 [ 476.423542] ? lapic_next_event+0x5a/0x90 [ 476.427696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.433237] ? kvm_clock_read+0x18/0x30 [ 476.437215] ? kvm_sched_clock_read+0x9/0x20 [ 476.441625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.447167] ? check_preemption_disabled+0x48/0x280 [ 476.452221] irq_exit+0x17f/0x1c0 [ 476.455677] smp_apic_timer_interrupt+0x1cb/0x760 [ 476.460522] ? smp_reschedule_interrupt+0x109/0x650 [ 476.465543] ? smp_call_function_single_interrupt+0x650/0x650 [ 476.471437] ? interrupt_entry+0xb5/0xc0 [ 476.475514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 476.480531] ? trace_hardirqs_off_caller+0xbb/0x310 [ 476.485554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.490429] ? trace_hardirqs_on_caller+0x310/0x310 [ 476.495470] ? trace_hardirqs_on_caller+0x310/0x310 [ 476.500506] ? task_prio+0x50/0x50 [ 476.504050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.509591] ? check_preemption_disabled+0x48/0x280 [ 476.514613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.519464] apic_timer_interrupt+0xf/0x20 [ 476.523690] [ 476.525932] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 476.530868] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 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 1a c2 [ 476.549765] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 476.557471] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 476.564734] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282 [ 476.571998] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000 [ 476.579261] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 476.586532] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020 [ 476.593840] skb_clone+0x1bb/0x500 [ 476.597409] ? skb_split+0x11e0/0x11e0 [ 476.601305] ? preempt_notifier_register+0x200/0x200 [ 476.606411] ? __switch_to_asm+0x34/0x70 [ 476.610480] ? __switch_to_asm+0x34/0x70 [ 476.614543] ? __switch_to_asm+0x40/0x70 [ 476.618600] ? __switch_to_asm+0x34/0x70 [ 476.622659] ? __switch_to_asm+0x40/0x70 [ 476.626721] ? __switch_to_asm+0x40/0x70 [ 476.630783] ? __switch_to_asm+0x34/0x70 [ 476.634841] ? __switch_to_asm+0x34/0x70 [ 476.638915] ? __switch_to_asm+0x40/0x70 [ 476.642977] ? __switch_to_asm+0x34/0x70 [ 476.647047] bpf_clone_redirect+0xb9/0x490 [ 476.651294] bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000 [ 476.656332] ? __sched_text_start+0x8/0x8 [ 476.660484] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 476.665250] ? find_held_lock+0x36/0x1c0 [ 476.669320] ? lock_acquire+0x1ed/0x520 [ 476.673294] ? bpf_test_run+0x3ee/0x7a0 [ 476.677268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.682807] ? check_preemption_disabled+0x48/0x280 [ 476.687848] ? kasan_check_read+0x11/0x20 [ 476.692029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 476.697309] ? rcu_softirq_qs+0x20/0x20 [ 476.701284] ? preempt_schedule+0x4d/0x60 [ 476.705458] ? ___preempt_schedule+0x16/0x18 [ 476.709890] ? bpf_test_run+0x271/0x7a0 [ 476.713875] ? netlink_diag_dump+0x2a0/0x2a0 [ 476.718291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 476.723831] ? bpf_test_init.isra.10+0x70/0x100 [ 476.728507] ? bpf_prog_test_run_skb+0x762/0xd60 [ 476.733318] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 476.738186] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 476.743736] ? fput+0x130/0x1a0 [ 476.747037] ? __bpf_prog_get+0x9b/0x290 [ 476.751102] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 476.755947] ? bpf_prog_test_run+0x130/0x1a0 [ 476.760361] ? __x64_sys_bpf+0x3d8/0x520 [ 476.764439] ? bpf_prog_get+0x20/0x20 [ 476.768261] ? do_syscall_64+0x1b9/0x820 [ 476.772348] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 476.777710] ? syscall_return_slowpath+0x5e0/0x5e0 [ 476.782639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.787486] ? trace_hardirqs_on_caller+0x310/0x310 [ 476.792518] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 476.797536] ? prepare_exit_to_usermode+0x291/0x3b0 [ 476.802564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.807430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 476.812833] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103 [ 476.813051] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 476.819784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 476.830250] syz-executor2 cpuset=syz2 mems_allowed=0 [ 476.839589] Call Trace: [ 476.847254] dump_stack+0x244/0x39d [ 476.850886] ? dump_stack_print_info.cold.1+0x20/0x20 [ 476.856102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.861653] warn_alloc.cold.116+0xb7/0x1bd [ 476.865993] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 476.870872] ? lock_downgrade+0x900/0x900 [ 476.875034] ? trace_hardirqs_off+0xb8/0x310 [ 476.879451] ? trace_hardirqs_off+0xb8/0x310 [ 476.883912] __alloc_pages_slowpath+0x2651/0x2de0 [ 476.888790] ? warn_alloc+0x120/0x120 [ 476.892594] ? print_usage_bug+0xc0/0xc0 [ 476.896656] ? warn_alloc+0x120/0x120 [ 476.900462] ? warn_alloc+0x120/0x120 [ 476.904264] ? print_usage_bug+0xc0/0xc0 [ 476.908330] ? print_usage_bug+0xc0/0xc0 [ 476.912419] ? __lock_acquire+0x62f/0x4c20 [ 476.916661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 476.922201] ? should_fail+0x22d/0xd01 [ 476.926097] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.931206] ? __lock_acquire+0x62f/0x4c20 [ 476.935444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.940547] ? __lock_acquire+0x62f/0x4c20 [ 476.944783] ? should_fail+0x22d/0xd01 [ 476.948683] ? find_held_lock+0x36/0x1c0 [ 476.952754] ? mark_held_locks+0x130/0x130 [ 476.956995] ? mark_held_locks+0x130/0x130 [ 476.961233] ? zap_class+0x640/0x640 [ 476.964955] ? zap_class+0x640/0x640 [ 476.968677] ? print_usage_bug+0xc0/0xc0 [ 476.972738] ? do_raw_spin_unlock+0xa7/0x330 [ 476.977147] ? zap_class+0x640/0x640 [ 476.980864] ? print_usage_bug+0xc0/0xc0 [ 476.984957] ? wq_watchdog_touch+0x9c/0xfe [ 476.989197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.994735] ? check_preemption_disabled+0x48/0x280 [ 476.999785] ? __lock_is_held+0xb5/0x140 [ 477.003852] __alloc_pages_nodemask+0xad8/0xea0 [ 477.008523] ? zap_class+0x640/0x640 [ 477.012260] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 477.017293] ? find_held_lock+0x36/0x1c0 [ 477.021373] ? ____cache_alloc_node+0x1c7/0x1e0 [ 477.026067] ? lock_downgrade+0x900/0x900 [ 477.030238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.035782] cache_grow_begin+0xa5/0x8c0 [ 477.039859] ? do_raw_spin_unlock+0xa7/0x330 [ 477.044278] fallback_alloc+0x204/0x2e0 [ 477.048273] ____cache_alloc_node+0x1c7/0x1e0 [ 477.052773] kmem_cache_alloc_node+0xe3/0x730 [ 477.057275] ? ipv6_get_ifaddr+0x42e/0x620 [ 477.061710] __alloc_skb+0x119/0x770 [ 477.065432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.070715] ? netdev_alloc_frag+0x1f0/0x1f0 [ 477.075155] ? lock_downgrade+0x900/0x900 [ 477.079339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.084917] ? refcount_sub_and_test_checked+0x203/0x310 [ 477.090393] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 477.095867] ? addrconf_rs_timer+0x690/0x690 [ 477.100292] ndisc_alloc_skb+0x144/0x340 [ 477.104360] ndisc_send_rs+0x331/0x6e0 [ 477.108257] addrconf_rs_timer+0x314/0x690 [ 477.112506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 477.116757] call_timer_fn+0x272/0x920 [ 477.120647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 477.124880] ? process_timeout+0x40/0x40 [ 477.128951] ? __run_timers+0x7da/0xc70 [ 477.132941] ? _raw_spin_unlock_irq+0x27/0x80 [ 477.137451] ? _raw_spin_unlock_irq+0x27/0x80 [ 477.141946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 477.146182] ? lockdep_hardirqs_on+0x296/0x5b0 [ 477.150771] ? trace_hardirqs_on+0xbd/0x310 [ 477.155096] ? kasan_check_read+0x11/0x20 [ 477.159239] ? __run_timers+0x7da/0xc70 [ 477.163226] ? trace_hardirqs_off_caller+0x310/0x310 [ 477.168335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 477.172606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 477.176839] __run_timers+0x7e5/0xc70 [ 477.180649] ? timer_fixup_init+0x70/0x70 [ 477.184795] ? _raw_spin_unlock_irq+0x27/0x80 [ 477.189288] ? _raw_spin_unlock_irq+0x27/0x80 [ 477.193786] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 477.198371] ? trace_hardirqs_on+0xbd/0x310 [ 477.202702] ? kasan_check_read+0x11/0x20 [ 477.206884] ? finish_task_switch+0x1f4/0x910 [ 477.211382] ? trace_hardirqs_off_caller+0x310/0x310 [ 477.216493] ? compat_start_thread+0x80/0x80 [ 477.220948] ? pvclock_read_flags+0x160/0x160 [ 477.225485] ? __switch_to_asm+0x34/0x70 [ 477.229564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.235108] ? check_preemption_disabled+0x48/0x280 [ 477.240146] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 477.245691] ? rcu_pm_notify+0xc0/0xc0 [ 477.249585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.255128] ? check_preemption_disabled+0x48/0x280 [ 477.260151] run_timer_softirq+0x52/0xb0 [ 477.264216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 477.269246] __do_softirq+0x308/0xb7e [ 477.273049] ? retint_kernel+0x2d/0x2d [ 477.276967] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 477.282070] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 477.287545] ? retint_kernel+0x2d/0x2d [ 477.291469] ? schedule+0x108/0x460 [ 477.295125] ? trace_hardirqs_off+0xb8/0x310 [ 477.299553] ? smpboot_thread_fn+0x68b/0xa00 [ 477.303966] ? trace_hardirqs_on+0x310/0x310 [ 477.308377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.313928] ? check_preemption_disabled+0x48/0x280 [ 477.318951] ? takeover_tasklets+0xa90/0xa90 [ 477.323375] run_ksoftirqd+0x5e/0x100 [ 477.327231] smpboot_thread_fn+0x68b/0xa00 [ 477.331478] ? sort_range+0x30/0x30 [ 477.335105] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 477.340210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.345750] ? __kthread_parkme+0xfb/0x1a0 [ 477.349988] ? sort_range+0x30/0x30 [ 477.353616] kthread+0x35a/0x440 [ 477.357003] ? kthread_stop+0x900/0x900 [ 477.360977] ret_from_fork+0x3a/0x50 [ 477.364703] warn_alloc_show_mem: 1 callbacks suppressed [ 477.364716] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103 [ 477.364717] Mem-Info: [ 477.364750] active_anon:31844 inactive_anon:1934 isolated_anon:0 [ 477.364750] active_file:133 inactive_file:117 isolated_file:0 [ 477.364750] unevictable:0 dirty:3 writeback:0 unstable:0 [ 477.364750] slab_reclaimable:8490 slab_unreclaimable:1475443 [ 477.364750] mapped:49346 shmem:1990 pagetables:666 bounce:0 [ 477.364750] free:13727 free_pcp:164 free_cma:0 [ 477.370089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 477.377453] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 477.377462] 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 [ 477.379882] Call Trace: [ 477.413084] lowmem_reserve[]: 0 2818 6321 6321 [ 477.422446] [ 477.450191] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 477.476383] dump_stack+0x244/0x39d [ 477.478961] lowmem_reserve[]: 0 0 3503 3503 [ 477.483552] ? dump_stack_print_info.cold.1+0x20/0x20 [ 477.485678] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB [ 477.513274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.516887] lowmem_reserve[]: 0 0 0 0 [ 477.521222] warn_alloc.cold.116+0xb7/0x1bd [ 477.526380] 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 [ 477.555613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 477.561123] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB [ 477.564922] ? lock_downgrade+0x900/0x900 [ 477.569226] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB [ 477.582749] ? trace_hardirqs_off+0xb8/0x310 [ 477.587568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 477.602902] ? trace_hardirqs_off+0xb8/0x310 [ 477.607026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 477.620556] __alloc_pages_slowpath+0x2651/0x2de0 [ 477.624944] 2220 total pagecache pages [ 477.633797] ? warn_alloc+0x120/0x120 [ 477.638170] 0 pages in swap cache [ 477.646734] ? warn_alloc+0x120/0x120 [ 477.651559] Swap cache stats: add 0, delete 0, find 0/0 [ 477.655442] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 477.659218] Free swap = 0kB [ 477.662664] ? warn_alloc+0x120/0x120 [ 477.666446] Total swap = 0kB [ 477.671800] ? print_usage_bug+0xc0/0xc0 [ 477.676804] 1965979 pages RAM [ 477.679817] ? print_usage_bug+0xc0/0xc0 [ 477.683592] 0 pages HighMem/MovableOnly [ 477.686602] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 477.690636] 342854 pages reserved [ 477.693741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.697775] 0 pages cma reserved [ 477.701745] ? should_fail+0x22d/0xd01 [ 477.706984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 477.710352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 477.710369] ? __lock_acquire+0x62f/0x4c20