[ 162.249887] ? warn_alloc+0x120/0x120 [ 162.254884] lowmem_reserve[]: [ 162.281878] ? trace_hardirqs_on+0x310/0x310 [ 162.285660] 0 [ 162.288768] ? warn_alloc+0x120/0x120 [ 162.293149] 0 [ 162.294947] ? warn_alloc+0x120/0x120 [ 162.298713] 3503 3503 [ 162.300521] ? ktime_get+0x2e1/0x440 [ 162.306789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.310474] Node 0 [ 162.316011] ? check_preemption_disabled+0x48/0x200 [ 162.316043] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 162.316050] lowmem_reserve[]: [ 162.318279] ? kasan_check_read+0x11/0x20 [ 162.323274] 0 [ 162.351913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 162.354997] 0 [ 162.359181] ? should_fail+0x22d/0xd01 [ 162.360963] 0 [ 162.366846] ? rcu_bh_qs+0xc0/0xc0 [ 162.368636] 0 [ 162.372526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 162.377858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 162.379635] Node 0 [ 162.384730] ? should_fail+0x22d/0xd01 [ 162.390238] DMA: [ 162.392470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 162.396703] 1*4kB [ 162.398763] ? should_fail+0x22d/0xd01 [ 162.403839] (U) [ 162.405997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 162.409870] 0*8kB [ 162.411843] ? mark_held_locks+0x130/0x130 [ 162.416937] 0*16kB [ 162.419083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.423289] 1*32kB [ 162.425694] ? mark_held_locks+0x130/0x130 [ 162.431376] (U) [ 162.433611] ? rcu_irq_exit+0xce/0x100 [ 162.437815] 2*64kB (U) [ 162.439809] ? irq_exit+0xbd/0x1c0 [ 162.443670] 1*128kB [ 162.446249] ? mark_held_locks+0x130/0x130 [ 162.449783] (U) [ 162.452106] ? smp_call_function_single_interrupt+0x650/0x650 [ 162.456313] 1*256kB [ 162.458287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.464145] (U) [ 162.466464] ? mark_held_locks+0x130/0x130 [ 162.471976] 0*512kB [ 162.473950] ? trace_hardirqs_on_caller+0xc0/0x310 [ 162.478158] 1*1024kB [ 162.480481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 162.485389] (U) [ 162.487799] ? trace_hardirqs_off+0x310/0x310 [ 162.492531] 1*2048kB [ 162.494510] ? mark_held_locks+0x130/0x130 [ 162.498978] (M) [ 162.501397] __alloc_pages_nodemask+0xa80/0xde0 [ 162.505605] 3*4096kB [ 162.507580] ? should_fail+0x22d/0xd01 [ 162.512222] (M) [ 162.514629] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 162.518494] = 15908kB [ 162.520478] ? ____cache_alloc_node+0x1c7/0x1e0 [ 162.525458] Node 0 [ 162.527873] ? lock_downgrade+0x900/0x900 [ 162.532536] DMA32: [ 162.534767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.538889] 4*4kB [ 162.541131] cache_grow_begin+0x91/0x8c0 [ 162.546639] (M) [ 162.548786] ? do_raw_spin_unlock+0xa7/0x2f0 [ 162.552819] 0*8kB [ 162.554793] fallback_alloc+0x203/0x2e0 [ 162.560145] 2*16kB [ 162.562638] ____cache_alloc_node+0x1c7/0x1e0 [ 162.566585] (M) [ 162.568819] kmem_cache_alloc_node+0xe3/0x730 [ 162.573290] 2*32kB [ 162.575261] ? ipv6_get_ifaddr+0x42e/0x620 [ 162.579726] (M) [ 162.581962] __alloc_skb+0x119/0x770 [ 162.586173] 5*64kB [ 162.588142] ? skb_scrub_packet+0x490/0x490 [ 162.591830] (UM) [ 162.594073] ? lock_downgrade+0x900/0x900 [ 162.598375] 3*128kB [ 162.600438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.604558] (M) [ 162.607124] ? refcount_sub_and_test_checked+0x203/0x310 [ 162.612636] 4*256kB [ 162.614605] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 162.620033] (UM) [ 162.622354] ? addrconf_rs_timer+0x690/0x690 [ 162.627778] 3*512kB [ 162.629838] ndisc_alloc_skb+0x144/0x340 [ 162.634224] (M) [ 162.636547] ndisc_send_rs+0x331/0x6e0 [ 162.640585] 3*1024kB [ 162.642555] addrconf_rs_timer+0x314/0x690 [ 162.646419] (UM) [ 162.648825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.653033] 1*2048kB [ 162.655093] call_timer_fn+0x272/0x920 [ 162.659298] (M) [ 162.661708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.665571] 4*4096kB [ 162.667541] ? process_timeout+0x40/0x40 [ 162.671743] (M) = 24880kB [ 162.674162] ? trace_hardirqs_off+0xb8/0x310 [ 162.678200] Node 0 [ 162.680950] ? kasan_check_read+0x11/0x20 [ 162.685334] Normal: [ 162.687657] ? do_raw_spin_unlock+0xa7/0x2f0 [ 162.691779] 719*4kB [ 162.694099] ? trace_hardirqs_on+0x310/0x310 [ 162.698480] (ME) [ 162.700798] ? __run_timers+0x7da/0xc70 [ 162.705181] 385*8kB [ 162.707240] ? lock_downgrade+0x900/0x900 [ 162.711190] (UME) [ 162.713508] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 162.717642] 182*16kB [ 162.719788] ? trace_hardirqs_on+0xbd/0x310 [ 162.724875] (ME) [ 162.727279] ? kasan_check_read+0x11/0x20 [ 162.731846] 99*32kB [ 162.733916] ? __run_timers+0x7da/0xc70 [ 162.738037] (UME) [ 162.740368] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 162.744315] 27*64kB [ 162.746457] ? kasan_check_write+0x14/0x20 [ 162.751879] (UM) 0*128kB [ 162.754215] ? do_raw_spin_lock+0xc1/0x200 [ 162.758424] 0*256kB [ 162.761180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.765388] 0*512kB [ 162.767706] __run_timers+0x7e5/0xc70 [ 162.771926] 0*1024kB [ 162.774249] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 162.778024] 0*2048kB [ 162.780433] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 162.785769] 0*4096kB [ 162.788172] ? rcu_bh_qs+0xc0/0xc0 [ 162.793422] = 13764kB [ 162.795825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.799346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 162.801756] ? check_preemption_disabled+0x48/0x200 [ 162.807271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.816098] ? rcu_nmi_exit+0xdb/0x280 [ 162.821437] 148 total pagecache pages [ 162.830180] ? ret_from_intr+0xb/0x1e [ 162.834044] 0 pages in swap cache [ 162.837837] ? retint_kernel+0x2d/0x2d [ 162.841624] Swap cache stats: add 0, delete 0, find 0/0 [ 162.845071] ? trace_hardirqs_on_caller+0xc0/0x310 [ 162.849381] Free swap = 0kB [ 162.854743] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 162.859668] Total swap = 0kB [ 162.862678] ? trace_hardirqs_off+0x310/0x310 [ 162.867412] 1965979 pages RAM [ 162.870426] ? check_preemption_disabled+0x48/0x200 [ 162.874905] 0 pages HighMem/MovableOnly [ 162.878009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.883003] 342307 pages reserved [ 162.886976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 162.892516] 0 pages cma reserved [ 162.895974] ? retint_kernel+0x2d/0x2d [ 162.900755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 162.904066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.907971] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 162.914420] ? check_preemption_disabled+0x48/0x200 [ 162.920120] ksoftirqd/0 cpuset= [ 162.930771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.935758] / [ 162.939038] run_timer_softirq+0x52/0xb0 [ 162.944552] mems_allowed=0 [ 162.946262] ? __this_cpu_preempt_check+0x1c/0x1f [ 162.958924] __do_softirq+0x30b/0xad8 [ 162.962728] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 162.967835] ? pvclock_read_flags+0x160/0x160 [ 162.972336] ? lapic_next_event+0x5a/0x90 [ 162.976485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.982021] ? clockevents_program_event+0x140/0x370 [ 162.987127] ? kvm_clock_read+0x18/0x30 [ 162.991098] ? kvm_sched_clock_read+0x9/0x20 [ 162.995507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.001043] ? check_preemption_disabled+0x48/0x200 [ 163.006064] irq_exit+0x17f/0x1c0 [ 163.009518] smp_apic_timer_interrupt+0x1cb/0x760 [ 163.014357] ? smp_reschedule_interrupt+0x109/0x650 [ 163.019470] ? smp_call_function_single_interrupt+0x650/0x650 [ 163.025351] ? interrupt_entry+0xb5/0xf0 [ 163.029418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 163.034603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 163.040755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.046553] ? trace_hardirqs_on_caller+0x310/0x310 [ 163.051740] ? trace_hardirqs_on_caller+0x310/0x310 [ 163.056757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.062302] ? check_preemption_disabled+0x48/0x200 [ 163.067314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.072863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.077711] apic_timer_interrupt+0xf/0x20 [ 163.081937] [ 163.084212] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 163.089141] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 163.108210] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 163.115916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 163.123179] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 163.130445] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 163.137715] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 163.144979] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 163.152260] ? trace_hardirqs_on+0xb4/0x310 [ 163.156594] skb_clone+0x1bb/0x500 [ 163.160132] ? finish_task_switch+0x2f5/0x900 [ 163.164626] ? skb_split+0x11e0/0x11e0 [ 163.168516] ? preempt_notifier_register+0x200/0x200 [ 163.173615] ? __switch_to_asm+0x34/0x70 [ 163.177670] ? __switch_to_asm+0x34/0x70 [ 163.182420] ? __switch_to_asm+0x40/0x70 [ 163.187171] ? __switch_to_asm+0x34/0x70 [ 163.192106] ? __switch_to_asm+0x40/0x70 [ 163.196682] ? __switch_to_asm+0x34/0x70 [ 163.200738] ? __switch_to_asm+0x40/0x70 [ 163.204793] ? __switch_to_asm+0x34/0x70 [ 163.208862] ? __switch_to_asm+0x34/0x70 [ 163.212924] ? __switch_to_asm+0x40/0x70 [ 163.216981] ? __switch_to_asm+0x34/0x70 [ 163.221043] bpf_clone_redirect+0xb9/0x490 [ 163.225277] ? __schedule+0x874/0x1ed0 [ 163.229169] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 163.234183] ? __sched_text_start+0x8/0x8 [ 163.238330] ? retint_kernel+0x2d/0x2d [ 163.242216] ? retint_kernel+0x2d/0x2d [ 163.246810] ? trace_hardirqs_on_caller+0xc0/0x310 [ 163.252604] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.258143] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.263068] ? trace_hardirqs_off+0x310/0x310 [ 163.267593] ? lock_acquire+0x1ed/0x520 [ 163.271566] ? bpf_test_run+0x32e/0x5a0 [ 163.275540] ? lock_release+0x970/0x970 [ 163.279515] ? preempt_schedule+0x4d/0x60 [ 163.284269] ? preempt_schedule_common+0x1f/0xd0 [ 163.289022] ? preempt_schedule+0x4d/0x60 [ 163.293167] ? ___preempt_schedule+0x16/0x18 [ 163.297575] ? bpf_test_run+0x1c0/0x5a0 [ 163.301551] ? netlink_diag_dump+0x2a0/0x2a0 [ 163.305960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.311492] ? bpf_test_init.isra.9+0x70/0x100 [ 163.316079] ? bpf_prog_test_run_skb+0x634/0xb40 [ 163.320837] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.325686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 163.331221] ? fput+0x130/0x1a0 [ 163.334501] ? __bpf_prog_get+0x9b/0x290 [ 163.338561] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.343403] ? bpf_prog_test_run+0x130/0x1a0 [ 163.347809] ? __x64_sys_bpf+0x3d8/0x510 [ 163.351879] ? bpf_prog_get+0x20/0x20 [ 163.355694] ? do_syscall_64+0x1b9/0x820 [ 163.359756] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 163.365118] ? syscall_return_slowpath+0x5e0/0x5e0 [ 163.370046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.374889] ? trace_hardirqs_on_caller+0x310/0x310 [ 163.379903] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 163.385267] ? prepare_exit_to_usermode+0x291/0x3b0 [ 163.390284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.395130] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.400506] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 163.400574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 163.408156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.408166] Call Trace: [ 163.414717] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 163.424003] dump_stack+0x1c4/0x2b4 [ 163.426562] syz-executor0 cpuset= [ 163.437045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 163.440647] syz0 [ 163.444102] warn_alloc.cold.119+0xb7/0x1bd [ 163.449268] mems_allowed=0 [ 163.451327] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 163.463639] ? lock_downgrade+0x900/0x900 [ 163.467792] ? trace_hardirqs_off+0xb8/0x310 [ 163.472203] ? trace_hardirqs_off+0xb8/0x310 [ 163.476617] __alloc_pages_slowpath+0x2667/0x2d80 [ 163.481472] ? mark_held_locks+0x130/0x130 [ 163.486100] ? warn_alloc+0x120/0x120 [ 163.490426] ? warn_alloc+0x120/0x120 [ 163.495185] ? warn_alloc+0x120/0x120 [ 163.499677] ? mark_held_locks+0x130/0x130 [ 163.504811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.511016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.516555] ? should_fail+0x22d/0xd01 [ 163.520442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 163.525555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.531092] ? should_fail+0x22d/0xd01 [ 163.534982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 163.540080] ? should_fail+0x22d/0xd01 [ 163.543975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 163.549079] ? mark_held_locks+0x130/0x130 [ 163.553313] ? mark_held_locks+0x130/0x130 [ 163.557549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.563087] ? trace_hardirqs_off+0xb8/0x310 [ 163.567490] ? kasan_check_read+0x11/0x20 [ 163.571634] ? do_raw_spin_unlock+0xa7/0x2f0 [ 163.576042] ? trace_hardirqs_on+0x310/0x310 [ 163.580450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.585984] ? wq_watchdog_touch+0x9c/0xfe [ 163.590654] ? io_serial_in+0x11/0x90 [ 163.594451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.599993] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 163.605102] __alloc_pages_nodemask+0xa80/0xde0 [ 163.609765] ? should_fail+0x22d/0xd01 [ 163.613653] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 163.618693] ? ____cache_alloc_node+0x1c7/0x1e0 [ 163.623374] ? lock_downgrade+0x900/0x900 [ 163.627525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.633067] cache_grow_begin+0x91/0x8c0 [ 163.637126] ? do_raw_spin_unlock+0xa7/0x2f0 [ 163.641536] fallback_alloc+0x203/0x2e0 [ 163.645512] ____cache_alloc_node+0x1c7/0x1e0 [ 163.650183] kmem_cache_alloc_node+0xe3/0x730 [ 163.655458] ? ipv6_get_ifaddr+0x42e/0x620 [ 163.659882] __alloc_skb+0x119/0x770 [ 163.663598] ? skb_scrub_packet+0x490/0x490 [ 163.667919] ? lock_downgrade+0x900/0x900 [ 163.672068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.677610] ? refcount_sub_and_test_checked+0x203/0x310 [ 163.683065] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 163.688513] ? addrconf_rs_timer+0x690/0x690 [ 163.692932] ndisc_alloc_skb+0x144/0x340 [ 163.696995] ndisc_send_rs+0x331/0x6e0 [ 163.700897] addrconf_rs_timer+0x314/0x690 [ 163.705128] ? lock_release+0x970/0x970 [ 163.709103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.713346] call_timer_fn+0x272/0x920 [ 163.717231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.721469] ? process_timeout+0x40/0x40 [ 163.725523] ? kasan_check_read+0x11/0x20 [ 163.729668] ? do_raw_spin_unlock+0xa7/0x2f0 [ 163.734077] ? trace_hardirqs_on+0x310/0x310 [ 163.738485] ? __run_timers+0x7da/0xc70 [ 163.742457] ? lock_downgrade+0x900/0x900 [ 163.746603] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 163.751707] ? trace_hardirqs_on+0xbd/0x310 [ 163.756027] ? kasan_check_read+0x11/0x20 [ 163.760175] ? __run_timers+0x7da/0xc70 [ 163.764151] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 163.769597] ? kasan_check_write+0x14/0x20 [ 163.773833] ? do_raw_spin_lock+0xc1/0x200 [ 163.778083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.782340] __run_timers+0x7e5/0xc70 [ 163.786153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 163.791513] ? lock_downgrade+0x900/0x900 [ 163.795681] ? finish_task_switch+0x1b5/0x900 [ 163.800175] ? trace_hardirqs_on+0xbd/0x310 [ 163.804490] ? kasan_check_read+0x11/0x20 [ 163.808634] ? finish_task_switch+0x1f5/0x900 [ 163.813131] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 163.818753] ? compat_start_thread+0x80/0x80 [ 163.823168] ? pvclock_read_flags+0x160/0x160 [ 163.827658] ? __switch_to_asm+0x34/0x70 [ 163.831728] ? __switch_to_asm+0x34/0x70 [ 163.835785] ? __switch_to_asm+0x40/0x70 [ 163.839841] ? __switch_to_asm+0x40/0x70 [ 163.843913] ? __switch_to_asm+0x34/0x70 [ 163.847970] ? __switch_to_asm+0x40/0x70 [ 163.852031] ? trace_hardirqs_on+0xbd/0x310 [ 163.856358] ? kvm_sched_clock_read+0x9/0x20 [ 163.860768] ? run_ksoftirqd+0x94/0x100 [ 163.864739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.870277] ? check_preemption_disabled+0x48/0x200 [ 163.875293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.880833] run_timer_softirq+0x52/0xb0 [ 163.884906] ? __this_cpu_preempt_check+0x1c/0x1f [ 163.889750] __do_softirq+0x30b/0xad8 [ 163.893559] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 163.898665] ? schedule+0x108/0x460 [ 163.902297] ? trace_hardirqs_off+0xb8/0x310 [ 163.906703] ? smpboot_thread_fn+0x68b/0xa00 [ 163.911107] ? trace_hardirqs_on+0x310/0x310 [ 163.915515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.921051] ? check_preemption_disabled+0x48/0x200 [ 163.926066] ? takeover_tasklets+0xa90/0xa90 [ 163.930477] run_ksoftirqd+0x94/0x100 [ 163.934275] smpboot_thread_fn+0x68b/0xa00 [ 163.938523] ? sort_range+0x30/0x30 [ 163.942151] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 163.947425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.952964] ? __kthread_parkme+0xfb/0x1a0 [ 163.957198] kthread+0x35a/0x420 [ 163.960604] ? sort_range+0x30/0x30 [ 163.964574] ? kthread_bind+0x40/0x40 [ 163.968371] ret_from_fork+0x3a/0x50 [ 163.972092] warn_alloc_show_mem: 1 callbacks suppressed [ 163.972104] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 163.972106] Mem-Info: [ 163.972135] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 163.972135] active_file:16 inactive_file:13 isolated_file:0 [ 163.972135] unevictable:0 dirty:0 writeback:0 unstable:0 [ 163.972135] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 163.972135] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 163.972135] free:13630 free_pcp:242 free_cma:0 [ 163.977482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.984676] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 163.987078] Call Trace: [ 164.019943] Node 0 [ 164.029289] [ 164.056799] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 164.059368] dump_stack+0x1c4/0x2b4 [ 164.061571] lowmem_reserve[]: [ 164.063808] ? dump_stack_print_info.cold.2+0x52/0x52 [ 164.089277] 0 2819 [ 164.092946] warn_alloc.cold.119+0xb7/0x1bd [ 164.096025] 6323 [ 164.101213] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 164.103425] 6323 [ 164.107745] ? lock_downgrade+0x900/0x900 [ 164.114622] ? trace_hardirqs_off+0xb8/0x310 [ 164.116666] Node 0 [ 164.120807] ? trace_hardirqs_off+0xb8/0x310 [ 164.125216] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 164.127423] __alloc_pages_slowpath+0x2667/0x2d80 [ 164.131805] lowmem_reserve[]: [ 164.159315] ? warn_alloc+0x120/0x120 [ 164.164129] 0 [ 164.167499] ? trace_hardirqs_on+0x310/0x310 [ 164.171272] 0 [ 164.173071] ? warn_alloc+0x120/0x120 [ 164.177455] 3503 [ 164.179252] ? warn_alloc+0x120/0x120 [ 164.183056] 3503 [ 164.185114] ? ktime_get+0x2e1/0x440 [ 164.191109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.195490] Node 0 [ 164.201025] ? check_preemption_disabled+0x48/0x200 [ 164.201056] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 164.201064] lowmem_reserve[]: [ 164.203295] ? kasan_check_read+0x11/0x20 [ 164.208288] 0 [ 164.236564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 164.239651] 0 [ 164.243798] ? should_fail+0x22d/0xd01 [ 164.245576] 0 [ 164.251286] ? rcu_bh_qs+0xc0/0xc0 [ 164.253064] 0 [ 164.256951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 164.258729] Node 0 [ 164.262268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 164.264044] DMA: [ 164.269141] ? should_fail+0x22d/0xd01 [ 164.271357] 1*4kB [ 164.276891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 164.278941] (U) [ 164.282825] ? should_fail+0x22d/0xd01 [ 164.284970] 0*8kB [ 164.290071] ? rcu_idle_enter+0x4b0/0x4b0 [ 164.292026] 0*16kB [ 164.295906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 164.298034] 1*32kB [ 164.302177] ? mark_held_locks+0x130/0x130 [ 164.304391] (U) [ 164.309493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.311705] 2*64kB [ 164.316282] ? mark_held_locks+0x130/0x130 [ 164.318248] (U) [ 164.323781] ? rcu_irq_exit+0xce/0x100 [ 164.325998] 1*128kB [ 164.330229] ? irq_exit+0xbd/0x1c0 [ 164.332178] (U) [ 164.336063] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 164.338362] 1*256kB [ 164.341902] ? do_raw_spin_unlock+0xa7/0x2f0 [ 164.343866] (U) [ 164.348883] ? smp_call_function_single_interrupt+0x650/0x650 [ 164.351187] 0*512kB [ 164.355591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.357550] 1*1024kB [ 164.363427] ? ret_from_intr+0xb/0x1e [ 164.365727] (U) [ 164.371260] ? retint_kernel+0x2d/0x2d [ 164.373649] 1*2048kB [ 164.377443] ? trace_hardirqs_on_caller+0xc0/0x310 [ 164.379395] (M) [ 164.383276] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.385689] 3*4096kB [ 164.390611] ? trace_hardirqs_off+0x310/0x310 [ 164.392563] (M) [ 164.397313] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 164.399704] = 15908kB [ 164.404196] __alloc_pages_nodemask+0xa80/0xde0 [ 164.406145] Node 0 DMA32: 4*4kB (M) [ 164.411265] ? should_fail+0x22d/0xd01 [ 164.413654] 0*8kB [ 164.419533] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 164.423835] 2*16kB [ 164.427737] ? ____cache_alloc_node+0x1c7/0x1e0 [ 164.429865] (M) [ 164.434879] ? lock_downgrade+0x900/0x900 [ 164.434898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.437118] 2*32kB [ 164.441780] cache_grow_begin+0x91/0x8c0 [ 164.443735] (M) [ 164.447893] ? do_raw_spin_unlock+0xa7/0x2f0 [ 164.453405] 5*64kB [ 164.455642] fallback_alloc+0x203/0x2e0 [ 164.459678] (UM) [ 164.461655] ____cache_alloc_node+0x1c7/0x1e0 [ 164.466039] 3*128kB [ 164.468270] kmem_cache_alloc_node+0xe3/0x730 [ 164.472217] (M) 4*256kB [ 164.474289] ? ipv6_get_ifaddr+0x42e/0x620 [ 164.478756] (UM) [ 164.481084] __alloc_skb+0x119/0x770 [ 164.485552] 3*512kB (M) [ 164.488234] ? skb_scrub_packet+0x490/0x490 [ 164.492447] 3*1024kB [ 164.494509] ? lock_downgrade+0x900/0x900 [ 164.498375] (UM) [ 164.501572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.506734] 1*2048kB [ 164.509738] ? refcount_sub_and_test_checked+0x203/0x310 [ 164.513868] (M) [ 164.515931] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 164.521444] 4*4096kB [ 164.523866] ? addrconf_rs_timer+0x690/0x690 [ 164.529292] (M) [ 164.531269] ndisc_alloc_skb+0x144/0x340 [ 164.536694] = 24880kB [ 164.539117] ndisc_send_rs+0x331/0x6e0 [ 164.543501] Node 0 [ 164.545479] addrconf_rs_timer+0x314/0x690 [ 164.549545] Normal: [ 164.552301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.556166] 719*4kB [ 164.558409] call_timer_fn+0x272/0x920 [ 164.562613] (ME) [ 164.564936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.569149] 385*8kB [ 164.571469] ? process_timeout+0x40/0x40 [ 164.575517] (UME) [ 164.578030] ? trace_hardirqs_off+0xb8/0x310 [ 164.582258] 182*16kB [ 164.584581] ? kasan_check_read+0x11/0x20 [ 164.588625] (ME) [ 164.590773] ? do_raw_spin_unlock+0xa7/0x2f0 [ 164.595158] 99*32kB [ 164.597563] ? trace_hardirqs_on+0x310/0x310 [ 164.601685] (UME) [ 164.603750] ? __run_timers+0x7da/0xc70 [ 164.608137] 27*64kB [ 164.610456] ? lock_downgrade+0x900/0x900 [ 164.615536] (UM) [ 164.618037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 164.621986] 0*128kB [ 164.624304] ? trace_hardirqs_on+0xbd/0x310 [ 164.628429] 0*256kB [ 164.630486] ? kasan_check_read+0x11/0x20 [ 164.635566] 0*512kB [ 164.637887] ? __run_timers+0x7da/0xc70 [ 164.642183] 0*1024kB [ 164.644508] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 164.648635] 0*2048kB [ 164.650955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.654903] 0*4096kB [ 164.657309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.662734] = 13764kB [ 164.665139] __run_timers+0x7e5/0xc70 [ 164.670683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 164.673089] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 164.677301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 164.679703] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 164.683478] 148 total pagecache pages [ 164.692493] ? rcu_bh_qs+0xc0/0xc0 [ 164.697834] 0 pages in swap cache [ 164.706414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.711673] Swap cache stats: add 0, delete 0, find 0/0 [ 164.715470] ? check_preemption_disabled+0x48/0x200 [ 164.718985] Free swap = 0kB [ 164.722433] ? rcu_nmi_exit+0xdb/0x280 [ 164.727945] Total swap = 0kB [ 164.733302] ? ret_from_intr+0xb/0x1e [ 164.738298] 1965979 pages RAM [ 164.741312] ? retint_kernel+0x2d/0x2d [ 164.745181] 0 pages HighMem/MovableOnly [ 164.748195] ? trace_hardirqs_on_caller+0xc0/0x310 [ 164.751969] 342307 pages reserved [ 164.755071] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.758940] 0 pages cma reserved [ 164.762907] ? trace_hardirqs_off+0x310/0x310 [ 164.767878] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 164.771255] ? check_preemption_disabled+0x48/0x200 [ 164.771269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.771289] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.776099] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 164.779400] ? retint_kernel+0x2d/0x2d [ 164.783880] ksoftirqd/0 cpuset= [ 164.790376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.795361] / [ 164.800904] ? check_preemption_disabled+0x48/0x200 [ 164.805632] mems_allowed=0 [ 164.815939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.843738] run_timer_softirq+0x52/0xb0 [ 164.847831] ? __this_cpu_preempt_check+0x1c/0x1f [ 164.852690] __do_softirq+0x30b/0xad8 [ 164.856507] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 164.861613] ? pvclock_read_flags+0x160/0x160 [ 164.866108] ? lapic_next_event+0x5a/0x90 [ 164.870263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.875801] ? clockevents_program_event+0x140/0x370 [ 164.880907] ? kvm_clock_read+0x18/0x30 [ 164.884890] ? kvm_sched_clock_read+0x9/0x20 [ 164.889300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.894839] ? check_preemption_disabled+0x48/0x200 [ 164.899885] irq_exit+0x17f/0x1c0 [ 164.903342] smp_apic_timer_interrupt+0x1cb/0x760 [ 164.908205] ? smp_reschedule_interrupt+0x109/0x650 [ 164.913226] ? smp_call_function_single_interrupt+0x650/0x650 [ 164.919109] ? interrupt_entry+0xb5/0xf0 [ 164.923170] ? trace_hardirqs_off_caller+0xbb/0x310 [ 164.928187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 164.933202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 164.938044] ? trace_hardirqs_on_caller+0x310/0x310 [ 164.943057] ? trace_hardirqs_on_caller+0x310/0x310 [ 164.948072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.953704] ? check_preemption_disabled+0x48/0x200 [ 164.958717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.964259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 164.969108] apic_timer_interrupt+0xf/0x20 [ 164.973369] [ 164.975613] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 164.980544] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 164.999441] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 165.007149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 165.014416] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 165.021682] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 165.028947] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 165.036224] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 165.043508] ? trace_hardirqs_on+0xb4/0x310 [ 165.047856] skb_clone+0x1bb/0x500 [ 165.051399] ? finish_task_switch+0x2f5/0x900 [ 165.055894] ? skb_split+0x11e0/0x11e0 [ 165.059782] ? preempt_notifier_register+0x200/0x200 [ 165.064888] ? __switch_to_asm+0x34/0x70 [ 165.068953] ? __switch_to_asm+0x34/0x70 [ 165.073010] ? __switch_to_asm+0x40/0x70 [ 165.077067] ? __switch_to_asm+0x34/0x70 [ 165.081123] ? __switch_to_asm+0x40/0x70 [ 165.085186] ? __switch_to_asm+0x34/0x70 [ 165.089334] ? __switch_to_asm+0x40/0x70 [ 165.093415] ? __switch_to_asm+0x34/0x70 [ 165.097476] ? __switch_to_asm+0x34/0x70 [ 165.101538] ? __switch_to_asm+0x40/0x70 [ 165.105609] ? __switch_to_asm+0x34/0x70 [ 165.109681] bpf_clone_redirect+0xb9/0x490 [ 165.113917] ? __schedule+0x874/0x1ed0 [ 165.117806] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 165.122822] ? __sched_text_start+0x8/0x8 [ 165.126987] ? retint_kernel+0x2d/0x2d [ 165.130879] ? retint_kernel+0x2d/0x2d [ 165.134776] ? trace_hardirqs_on_caller+0xc0/0x310 [ 165.139707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.144464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.149223] ? trace_hardirqs_off+0x310/0x310 [ 165.153724] ? lock_acquire+0x1ed/0x520 [ 165.157696] ? bpf_test_run+0x32e/0x5a0 [ 165.161671] ? lock_release+0x970/0x970 [ 165.165643] ? preempt_schedule+0x4d/0x60 [ 165.169793] ? preempt_schedule_common+0x1f/0xd0 [ 165.174554] ? preempt_schedule+0x4d/0x60 [ 165.178703] ? ___preempt_schedule+0x16/0x18 [ 165.183114] ? bpf_test_run+0x1c0/0x5a0 [ 165.187093] ? netlink_diag_dump+0x2a0/0x2a0 [ 165.191507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.197042] ? bpf_test_init.isra.9+0x70/0x100 [ 165.201625] ? bpf_prog_test_run_skb+0x634/0xb40 [ 165.206389] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 165.211230] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 165.216766] ? fput+0x130/0x1a0 [ 165.220046] ? __bpf_prog_get+0x9b/0x290 [ 165.224107] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 165.228950] ? bpf_prog_test_run+0x130/0x1a0 [ 165.233386] ? __x64_sys_bpf+0x3d8/0x510 [ 165.237446] ? bpf_prog_get+0x20/0x20 [ 165.241256] ? do_syscall_64+0x1b9/0x820 [ 165.245318] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 165.250681] ? syscall_return_slowpath+0x5e0/0x5e0 [ 165.255615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.260464] ? trace_hardirqs_on_caller+0x310/0x310 [ 165.265479] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 165.270495] ? prepare_exit_to_usermode+0x291/0x3b0 [ 165.275512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.280366] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.285744] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 165.285798] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 165.292515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.292520] Call Trace: [ 165.292541] dump_stack+0x1c4/0x2b4 [ 165.292561] ? dump_stack_print_info.cold.2+0x52/0x52 [ 165.299098] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 165.308388] warn_alloc.cold.119+0xb7/0x1bd [ 165.310948] syz-executor0 cpuset= [ 165.314570] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 165.314589] ? lock_downgrade+0x900/0x900 [ 165.319757] syz0 [ 165.330238] ? trace_hardirqs_off+0xb8/0x310 [ 165.334541] mems_allowed=0 [ 165.337985] ? trace_hardirqs_off+0xb8/0x310 [ 165.360612] __alloc_pages_slowpath+0x2667/0x2d80 [ 165.365476] ? warn_alloc+0x120/0x120 [ 165.369280] ? warn_alloc+0x120/0x120 [ 165.373082] ? warn_alloc+0x120/0x120 [ 165.376890] ? mark_held_locks+0x130/0x130 [ 165.381129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.386666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.392206] ? should_fail+0x22d/0xd01 [ 165.396096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 165.401196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.407220] ? should_fail+0x22d/0xd01 [ 165.411112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 165.416215] ? should_fail+0x22d/0xd01 [ 165.420100] ? dequeue_task_fair+0x9a0/0x9a0 [ 165.424516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 165.429621] ? mark_held_locks+0x130/0x130 [ 165.433876] ? mark_held_locks+0x130/0x130 [ 165.438116] ? try_to_wake_up+0x10a/0x12f0 [ 165.442353] ? lock_downgrade+0x900/0x900 [ 165.446505] ? lock_downgrade+0x900/0x900 [ 165.450660] ? trace_hardirqs_off+0xb8/0x310 [ 165.455065] ? kasan_check_read+0x11/0x20 [ 165.459214] ? do_raw_spin_unlock+0xa7/0x2f0 [ 165.463640] ? trace_hardirqs_on+0x310/0x310 [ 165.468052] ? kasan_check_write+0x14/0x20 [ 165.472292] __alloc_pages_nodemask+0xa80/0xde0 [ 165.476974] ? should_fail+0x22d/0xd01 [ 165.480884] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 165.485918] ? ____cache_alloc_node+0x1c7/0x1e0 [ 165.490586] ? lock_downgrade+0x900/0x900 [ 165.494738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.500279] cache_grow_begin+0x91/0x8c0 [ 165.504340] ? do_raw_spin_unlock+0xa7/0x2f0 [ 165.508755] fallback_alloc+0x203/0x2e0 [ 165.512997] ____cache_alloc_node+0x1c7/0x1e0 [ 165.517501] kmem_cache_alloc_node+0xe3/0x730 [ 165.521999] ? ipv6_get_ifaddr+0x42e/0x620 [ 165.526238] __alloc_skb+0x119/0x770 [ 165.529956] ? skb_scrub_packet+0x490/0x490 [ 165.534278] ? lock_downgrade+0x900/0x900 [ 165.538431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.543970] ? refcount_sub_and_test_checked+0x203/0x310 [ 165.549422] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 165.554884] ? addrconf_rs_timer+0x690/0x690 [ 165.559304] ndisc_alloc_skb+0x144/0x340 [ 165.563369] ndisc_send_rs+0x331/0x6e0 [ 165.567266] addrconf_rs_timer+0x314/0x690 [ 165.571501] ? lock_release+0x970/0x970 [ 165.575483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.579729] call_timer_fn+0x272/0x920 [ 165.583620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.587879] ? process_timeout+0x40/0x40 [ 165.591937] ? kasan_check_read+0x11/0x20 [ 165.596087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 165.600495] ? trace_hardirqs_on+0x310/0x310 [ 165.604910] ? __run_timers+0x7da/0xc70 [ 165.608893] ? lock_downgrade+0x900/0x900 [ 165.613046] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 165.618157] ? trace_hardirqs_on+0xbd/0x310 [ 165.622481] ? kasan_check_read+0x11/0x20 [ 165.626638] ? __run_timers+0x7da/0xc70 [ 165.630626] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 165.636106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.641668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.645909] __run_timers+0x7e5/0xc70 [ 165.649723] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 165.655094] ? lock_downgrade+0x900/0x900 [ 165.659241] ? finish_task_switch+0x1b5/0x900 [ 165.663743] ? trace_hardirqs_on+0xbd/0x310 [ 165.668067] ? kasan_check_read+0x11/0x20 [ 165.672217] ? finish_task_switch+0x1f5/0x900 [ 165.676714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 165.682168] ? compat_start_thread+0x80/0x80 [ 165.686588] ? pvclock_read_flags+0x160/0x160 [ 165.691087] ? __switch_to_asm+0x34/0x70 [ 165.695147] ? __switch_to_asm+0x34/0x70 [ 165.699213] ? __switch_to_asm+0x40/0x70 [ 165.703274] ? __switch_to_asm+0x40/0x70 [ 165.707333] ? __switch_to_asm+0x34/0x70 [ 165.711396] ? __switch_to_asm+0x40/0x70 [ 165.715465] ? trace_hardirqs_on+0xbd/0x310 [ 165.719785] ? kvm_sched_clock_read+0x9/0x20 [ 165.724194] ? run_ksoftirqd+0x94/0x100 [ 165.728170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.733711] ? check_preemption_disabled+0x48/0x200 [ 165.738735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.744279] run_timer_softirq+0x52/0xb0 [ 165.748341] ? __this_cpu_preempt_check+0x1c/0x1f [ 165.753189] __do_softirq+0x30b/0xad8 [ 165.756999] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 165.762110] ? schedule+0x108/0x460 [ 165.765747] ? trace_hardirqs_off+0xb8/0x310 [ 165.770155] ? smpboot_thread_fn+0x68b/0xa00 [ 165.774564] ? trace_hardirqs_on+0x310/0x310 [ 165.778980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.784523] ? check_preemption_disabled+0x48/0x200 [ 165.789544] ? takeover_tasklets+0xa90/0xa90 [ 165.793956] run_ksoftirqd+0x94/0x100 [ 165.797760] smpboot_thread_fn+0x68b/0xa00 [ 165.801996] ? sort_range+0x30/0x30 [ 165.805624] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 165.810759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.816304] ? __kthread_parkme+0xfb/0x1a0 [ 165.820542] kthread+0x35a/0x420 [ 165.823908] ? sort_range+0x30/0x30 [ 165.827536] ? kthread_bind+0x40/0x40 [ 165.831355] ret_from_fork+0x3a/0x50 [ 165.835083] warn_alloc_show_mem: 1 callbacks suppressed [ 165.835096] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 165.835098] Mem-Info: [ 165.835128] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 165.835128] active_file:16 inactive_file:13 isolated_file:0 [ 165.835128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 165.835128] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 165.835128] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 165.835128] free:13630 free_pcp:242 free_cma:0 [ 165.840495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.847695] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 165.850096] Call Trace: [ 165.882966] Node 0 [ 165.892322] [ 165.919858] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 165.922432] dump_stack+0x1c4/0x2b4 [ 165.924644] lowmem_reserve[]: [ 165.926798] ? dump_stack_print_info.cold.2+0x52/0x52 [ 165.952279] 0 [ 165.955912] warn_alloc.cold.119+0xb7/0x1bd [ 165.958988] 2819 [ 165.964186] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 165.965967] 6323 [ 165.970294] ? lock_downgrade+0x900/0x900 [ 165.972332] 6323 [ 165.977172] ? trace_hardirqs_off+0xb8/0x310 [ 165.983356] ? trace_hardirqs_off+0xb8/0x310 [ 165.985403] Node 0 [ 165.989817] __alloc_pages_slowpath+0x2667/0x2d80 [ 165.994229] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 165.996450] ? warn_alloc+0x120/0x120 [ 166.001261] lowmem_reserve[]: [ 166.028235] ? trace_hardirqs_on+0x310/0x310 [ 166.032011] 0 [ 166.035112] ? warn_alloc+0x120/0x120 [ 166.039497] 0 [ 166.041298] ? warn_alloc+0x120/0x120 [ 166.045074] 3503 [ 166.046890] ? ktime_get+0x2e1/0x440 [ 166.050671] 3503 [ 166.052733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.058486] ? check_preemption_disabled+0x48/0x200 [ 166.063999] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 166.069042] ? kasan_check_read+0x11/0x20 [ 166.069061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 166.097930] lowmem_reserve[]: [ 166.102082] ? should_fail+0x22d/0xd01 [ 166.107606] 0 [ 166.110709] ? rcu_bh_qs+0xc0/0xc0 [ 166.114574] 0 [ 166.116378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 166.119894] 0 [ 166.121695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 166.126773] 0 [ 166.128572] ? should_fail+0x22d/0xd01 [ 166.135892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 166.139755] Node 0 [ 166.144856] ? should_fail+0x22d/0xd01 [ 166.144864] DMA: 1*4kB [ 166.147110] ? rcu_idle_enter+0x4b0/0x4b0 [ 166.150974] (U) [ 166.153558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 166.157680] 0*8kB [ 166.159697] ? mark_held_locks+0x130/0x130 [ 166.164774] 0*16kB [ 166.166920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.171132] 1*32kB [ 166.173373] ? mark_held_locks+0x130/0x130 [ 166.178885] (U) [ 166.181122] ? rcu_irq_exit+0xce/0x100 [ 166.185335] 2*64kB [ 166.187313] ? irq_exit+0xbd/0x1c0 [ 166.191172] (U) [ 166.193408] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 166.196925] 1*128kB [ 166.198897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 166.203887] (U) [ 166.206211] ? smp_call_function_single_interrupt+0x650/0x650 [ 166.210596] 1*256kB [ 166.212572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.218432] (U) [ 166.220754] ? ret_from_intr+0xb/0x1e [ 166.226273] 0*512kB [ 166.228247] ? retint_kernel+0x2d/0x2d [ 166.232027] 1*1024kB [ 166.234348] ? trace_hardirqs_on_caller+0xc0/0x310 [ 166.238208] (U) [ 166.240617] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.245524] 1*2048kB [ 166.247501] ? trace_hardirqs_off+0x310/0x310 [ 166.252234] (M) [ 166.254646] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 166.259119] 3*4096kB [ 166.261097] __alloc_pages_nodemask+0xa80/0xde0 [ 166.266170] (M) [ 166.268581] ? should_fail+0x22d/0xd01 [ 166.273231] = 15908kB [ 166.275208] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 166.279070] Node 0 [ 166.281489] ? ____cache_alloc_node+0x1c7/0x1e0 [ 166.286469] DMA32: [ 166.288703] ? lock_downgrade+0x900/0x900 [ 166.293350] 4*4kB [ 166.295589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.299711] (M) [ 166.301871] cache_grow_begin+0x91/0x8c0 [ 166.307390] 0*8kB [ 166.309371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 166.313399] 2*16kB [ 166.315543] fallback_alloc+0x203/0x2e0 [ 166.319930] (M) [ 166.322165] ____cache_alloc_node+0x1c7/0x1e0 [ 166.326119] 2*32kB [ 166.328092] kmem_cache_alloc_node+0xe3/0x730 [ 166.332567] (M) [ 166.334805] ? ipv6_get_ifaddr+0x42e/0x620 [ 166.339449] 5*64kB [ 166.341425] __alloc_skb+0x119/0x770 [ 166.345635] (UM) [ 166.347885] ? skb_scrub_packet+0x490/0x490 [ 166.351578] 3*128kB [ 166.353638] ? lock_downgrade+0x900/0x900 [ 166.357934] (M) [ 166.360260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.364382] 4*256kB [ 166.366368] ? refcount_sub_and_test_checked+0x203/0x310 [ 166.371881] (UM) [ 166.374208] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 166.379631] 3*512kB [ 166.381688] ? addrconf_rs_timer+0x690/0x690 [ 166.387112] (M) [ 166.389440] ndisc_alloc_skb+0x144/0x340 [ 166.393831] 3*1024kB [ 166.395816] ndisc_send_rs+0x331/0x6e0 [ 166.399866] (UM) [ 166.402269] addrconf_rs_timer+0x314/0x690 [ 166.406132] 1*2048kB [ 166.408195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.412416] (M) [ 166.414833] call_timer_fn+0x272/0x920 [ 166.419044] 4*4096kB [ 166.421016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.424882] (M) [ 166.427295] ? process_timeout+0x40/0x40 [ 166.431506] = 24880kB [ 166.433482] ? trace_hardirqs_off+0xb8/0x310 [ 166.437517] Node 0 [ 166.439928] ? kasan_check_read+0x11/0x20 [ 166.444322] Normal: [ 166.446558] ? do_raw_spin_unlock+0xa7/0x2f0 [ 166.450679] 719*4kB [ 166.453000] ? trace_hardirqs_on+0x310/0x310 [ 166.457386] (ME) [ 166.459710] ? __run_timers+0x7da/0xc70 [ 166.464094] 385*8kB [ 166.466162] ? lock_downgrade+0x900/0x900 [ 166.470110] (UME) [ 166.472437] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 166.476569] 182*16kB [ 166.478713] ? trace_hardirqs_on+0xbd/0x310 [ 166.483786] (ME) 99*32kB [ 166.486202] ? kasan_check_read+0x11/0x20 [ 166.490499] (UME) [ 166.493253] ? __run_timers+0x7da/0xc70 [ 166.497369] 27*64kB (UM) 0*128kB [ 166.499533] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 166.503503] 0*256kB [ 166.506953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.512381] 0*512kB [ 166.514706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.520217] 0*1024kB [ 166.522539] __run_timers+0x7e5/0xc70 [ 166.526750] 0*2048kB [ 166.529161] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 166.532932] 0*4096kB [ 166.535343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 166.540681] = 13764kB [ 166.543087] ? rcu_bh_qs+0xc0/0xc0 [ 166.548344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 166.550753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.554276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 166.563104] ? check_preemption_disabled+0x48/0x200 [ 166.568614] 148 total pagecache pages [ 166.577183] ? rcu_nmi_exit+0xdb/0x280 [ 166.582182] 0 pages in swap cache [ 166.585982] ? ret_from_intr+0xb/0x1e [ 166.589867] Swap cache stats: add 0, delete 0, find 0/0 [ 166.593309] ? retint_kernel+0x2d/0x2d [ 166.597099] Free swap = 0kB [ 166.602459] ? trace_hardirqs_on_caller+0xc0/0x310 [ 166.606326] Total swap = 0kB [ 166.609340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.614247] 1965979 pages RAM [ 166.617262] ? trace_hardirqs_off+0x310/0x310 [ 166.621992] 0 pages HighMem/MovableOnly [ 166.625108] ? check_preemption_disabled+0x48/0x200 [ 166.629579] 342307 pages reserved [ 166.633549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.638545] 0 pages cma reserved [ 166.641995] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.647558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 166.650874] ? retint_kernel+0x2d/0x2d [ 166.650891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.650910] ? check_preemption_disabled+0x48/0x200 [ 166.655709] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 166.662138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.666001] ksoftirqd/0 cpuset= [ 166.671540] run_timer_softirq+0x52/0xb0 [ 166.676530] / [ 166.686840] ? __this_cpu_preempt_check+0x1c/0x1f [ 166.692409] mems_allowed=0 [ 166.695687] __do_softirq+0x30b/0xad8 [ 166.712970] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 166.718078] ? pvclock_read_flags+0x160/0x160 [ 166.722576] ? lapic_next_event+0x5a/0x90 [ 166.726728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.732265] ? clockevents_program_event+0x140/0x370 [ 166.737383] ? kvm_clock_read+0x18/0x30 [ 166.741358] ? kvm_sched_clock_read+0x9/0x20 [ 166.745775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.751314] ? check_preemption_disabled+0x48/0x200 [ 166.756345] irq_exit+0x17f/0x1c0 [ 166.759808] smp_apic_timer_interrupt+0x1cb/0x760 [ 166.764650] ? smp_reschedule_interrupt+0x109/0x650 [ 166.769668] ? smp_call_function_single_interrupt+0x650/0x650 [ 166.775552] ? interrupt_entry+0xb5/0xf0 [ 166.779615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 166.784628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 166.789646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 166.794488] ? trace_hardirqs_on_caller+0x310/0x310 [ 166.799505] ? trace_hardirqs_on_caller+0x310/0x310 [ 166.804525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.810070] ? check_preemption_disabled+0x48/0x200 [ 166.815089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.820633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 166.825486] apic_timer_interrupt+0xf/0x20 [ 166.829713] [ 166.831953] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 166.836885] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 166.855786] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 166.863495] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 166.870764] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 166.878029] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 166.885295] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 166.892563] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 166.899853] ? trace_hardirqs_on+0xb4/0x310 [ 166.904192] skb_clone+0x1bb/0x500 [ 166.907732] ? finish_task_switch+0x2f5/0x900 [ 166.912232] ? skb_split+0x11e0/0x11e0 [ 166.916119] ? preempt_notifier_register+0x200/0x200 [ 166.921306] ? __switch_to_asm+0x34/0x70 [ 166.925373] ? __switch_to_asm+0x34/0x70 [ 166.929433] ? __switch_to_asm+0x40/0x70 [ 166.933494] ? __switch_to_asm+0x34/0x70 [ 166.937555] ? __switch_to_asm+0x40/0x70 [ 166.941612] ? __switch_to_asm+0x34/0x70 [ 166.945679] ? __switch_to_asm+0x40/0x70 [ 166.949740] ? __switch_to_asm+0x34/0x70 [ 166.953806] ? __switch_to_asm+0x34/0x70 [ 166.957874] ? __switch_to_asm+0x40/0x70 [ 166.961934] ? __switch_to_asm+0x34/0x70 [ 166.966002] bpf_clone_redirect+0xb9/0x490 [ 166.970237] ? __schedule+0x874/0x1ed0 [ 166.974125] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 166.979145] ? __sched_text_start+0x8/0x8 [ 166.983293] ? retint_kernel+0x2d/0x2d [ 166.987179] ? retint_kernel+0x2d/0x2d [ 166.991068] ? trace_hardirqs_on_caller+0xc0/0x310 [ 166.996011] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.000768] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.005524] ? trace_hardirqs_off+0x310/0x310 [ 167.010027] ? lock_acquire+0x1ed/0x520 [ 167.014000] ? bpf_test_run+0x32e/0x5a0 [ 167.017980] ? lock_release+0x970/0x970 [ 167.021952] ? preempt_schedule+0x4d/0x60 [ 167.026102] ? preempt_schedule_common+0x1f/0xd0 [ 167.030867] ? preempt_schedule+0x4d/0x60 [ 167.035019] ? ___preempt_schedule+0x16/0x18 [ 167.039430] ? bpf_test_run+0x1c0/0x5a0 [ 167.043412] ? netlink_diag_dump+0x2a0/0x2a0 [ 167.047823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.053376] ? bpf_test_init.isra.9+0x70/0x100 [ 167.057961] ? bpf_prog_test_run_skb+0x634/0xb40 [ 167.062721] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 167.067566] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 167.073099] ? fput+0x130/0x1a0 [ 167.076385] ? __bpf_prog_get+0x9b/0x290 [ 167.080448] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 167.085287] ? bpf_prog_test_run+0x130/0x1a0 [ 167.089697] ? __x64_sys_bpf+0x3d8/0x510 [ 167.093764] ? bpf_prog_get+0x20/0x20 [ 167.097576] ? do_syscall_64+0x1b9/0x820 [ 167.102070] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 167.107433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 167.112369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.117213] ? trace_hardirqs_on_caller+0x310/0x310 [ 167.122231] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 167.127250] ? prepare_exit_to_usermode+0x291/0x3b0 [ 167.132272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.137124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.142498] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 167.142551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 167.149262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.149266] Call Trace: [ 167.149287] dump_stack+0x1c4/0x2b4 [ 167.149308] ? dump_stack_print_info.cold.2+0x52/0x52 [ 167.155826] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 167.165143] warn_alloc.cold.119+0xb7/0x1bd [ 167.167701] syz-executor0 cpuset= [ 167.171326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 167.176489] syz0 [ 167.186975] ? lock_downgrade+0x900/0x900 [ 167.191273] mems_allowed=0 [ 167.194723] ? trace_hardirqs_off+0xb8/0x310 [ 167.212952] ? trace_hardirqs_off+0xb8/0x310 [ 167.217410] __alloc_pages_slowpath+0x2667/0x2d80 [ 167.222281] ? warn_alloc+0x120/0x120 [ 167.226089] ? warn_alloc+0x120/0x120 [ 167.229900] ? warn_alloc+0x120/0x120 [ 167.233709] ? mark_held_locks+0x130/0x130 [ 167.237977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.243514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.249051] ? should_fail+0x22d/0xd01 [ 167.252942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.258043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.263580] ? should_fail+0x22d/0xd01 [ 167.267484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.272590] ? should_fail+0x22d/0xd01 [ 167.276485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.281592] ? mark_held_locks+0x130/0x130 [ 167.285829] ? mark_held_locks+0x130/0x130 [ 167.290080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.295622] ? trace_hardirqs_off+0xb8/0x310 [ 167.300029] ? kasan_check_read+0x11/0x20 [ 167.304181] ? do_raw_spin_unlock+0xa7/0x2f0 [ 167.308589] ? trace_hardirqs_on+0x310/0x310 [ 167.313000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.318535] ? wq_watchdog_touch+0x9c/0xfe [ 167.322767] ? io_serial_in+0x11/0x90 [ 167.326579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.332142] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 167.337255] __alloc_pages_nodemask+0xa80/0xde0 [ 167.341922] ? should_fail+0x22d/0xd01 [ 167.345817] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 167.350878] ? ____cache_alloc_node+0x1c7/0x1e0 [ 167.355555] ? lock_downgrade+0x900/0x900 [ 167.359718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.365291] cache_grow_begin+0x91/0x8c0 [ 167.369385] ? do_raw_spin_unlock+0xa7/0x2f0 [ 167.373826] fallback_alloc+0x203/0x2e0 [ 167.377836] ____cache_alloc_node+0x1c7/0x1e0 [ 167.382356] kmem_cache_alloc_node+0xe3/0x730 [ 167.386876] ? ipv6_get_ifaddr+0x42e/0x620 [ 167.391124] __alloc_skb+0x119/0x770 [ 167.394857] ? skb_scrub_packet+0x490/0x490 [ 167.399192] ? lock_downgrade+0x900/0x900 [ 167.403869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.409414] ? refcount_sub_and_test_checked+0x203/0x310 [ 167.414890] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 167.420357] ? addrconf_rs_timer+0x690/0x690 [ 167.424785] ndisc_alloc_skb+0x144/0x340 [ 167.428874] ndisc_send_rs+0x331/0x6e0 [ 167.432778] addrconf_rs_timer+0x314/0x690 [ 167.437017] ? lock_release+0x970/0x970 [ 167.441002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.445253] call_timer_fn+0x272/0x920 [ 167.449149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.453392] ? process_timeout+0x40/0x40 [ 167.457455] ? kasan_check_read+0x11/0x20 [ 167.461614] ? do_raw_spin_unlock+0xa7/0x2f0 [ 167.466029] ? trace_hardirqs_on+0x310/0x310 [ 167.470445] ? __run_timers+0x7da/0xc70 [ 167.474423] ? lock_downgrade+0x900/0x900 [ 167.478586] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 167.483696] ? trace_hardirqs_on+0xbd/0x310 [ 167.488032] ? kasan_check_read+0x11/0x20 [ 167.492182] ? __run_timers+0x7da/0xc70 [ 167.496158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 167.501609] ? kasan_check_write+0x14/0x20 [ 167.505894] ? do_raw_spin_lock+0xc1/0x200 [ 167.510323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.514556] __run_timers+0x7e5/0xc70 [ 167.518379] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 167.523748] ? lock_downgrade+0x900/0x900 [ 167.527899] ? finish_task_switch+0x1b5/0x900 [ 167.532404] ? trace_hardirqs_on+0xbd/0x310 [ 167.536733] ? kasan_check_read+0x11/0x20 [ 167.540901] ? finish_task_switch+0x1f5/0x900 [ 167.545414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 167.550912] ? compat_start_thread+0x80/0x80 [ 167.555340] ? pvclock_read_flags+0x160/0x160 [ 167.559838] ? __switch_to_asm+0x34/0x70 [ 167.563915] ? __switch_to_asm+0x34/0x70 [ 167.567974] ? __switch_to_asm+0x40/0x70 [ 167.572043] ? __switch_to_asm+0x40/0x70 [ 167.576106] ? __switch_to_asm+0x34/0x70 [ 167.580167] ? __switch_to_asm+0x40/0x70 [ 167.584234] ? trace_hardirqs_on+0xbd/0x310 [ 167.588559] ? kvm_sched_clock_read+0x9/0x20 [ 167.592974] ? run_ksoftirqd+0x94/0x100 [ 167.596958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.602502] ? check_preemption_disabled+0x48/0x200 [ 167.607525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.613070] run_timer_softirq+0x52/0xb0 [ 167.617138] ? __this_cpu_preempt_check+0x1c/0x1f [ 167.621982] __do_softirq+0x30b/0xad8 [ 167.625794] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 167.630906] ? schedule+0x108/0x460 [ 167.634549] ? trace_hardirqs_off+0xb8/0x310 [ 167.638962] ? smpboot_thread_fn+0x68b/0xa00 [ 167.643376] ? trace_hardirqs_on+0x310/0x310 [ 167.647798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.653358] ? check_preemption_disabled+0x48/0x200 [ 167.658390] ? takeover_tasklets+0xa90/0xa90 [ 167.662804] run_ksoftirqd+0x94/0x100 [ 167.666607] smpboot_thread_fn+0x68b/0xa00 [ 167.670872] ? sort_range+0x30/0x30 [ 167.674509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 167.679612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.685152] ? __kthread_parkme+0xfb/0x1a0 [ 167.689395] kthread+0x35a/0x420 [ 167.692781] ? sort_range+0x30/0x30 [ 167.696406] ? kthread_bind+0x40/0x40 [ 167.700209] ret_from_fork+0x3a/0x50 [ 167.703928] warn_alloc_show_mem: 1 callbacks suppressed [ 167.703940] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 167.703943] Mem-Info: [ 167.703973] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 167.703973] active_file:16 inactive_file:13 isolated_file:0 [ 167.703973] unevictable:0 dirty:0 writeback:0 unstable:0 [ 167.703973] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 167.703973] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 167.703973] free:13630 free_pcp:242 free_cma:0 [ 167.709324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.716517] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 167.718925] Call Trace: [ 167.751794] Node 0 [ 167.761144] [ 167.788658] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 167.791221] dump_stack+0x1c4/0x2b4 [ 167.793428] lowmem_reserve[]: [ 167.795579] ? dump_stack_print_info.cold.2+0x52/0x52 [ 167.821051] 0 2819 [ 167.824701] warn_alloc.cold.119+0xb7/0x1bd [ 167.827775] 6323 [ 167.832965] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 167.835178] 6323 [ 167.839496] ? lock_downgrade+0x900/0x900 [ 167.846383] ? trace_hardirqs_off+0xb8/0x310 [ 167.848421] Node 0 [ 167.852563] ? trace_hardirqs_off+0xb8/0x310 [ 167.856978] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 167.859190] __alloc_pages_slowpath+0x2667/0x2d80 [ 167.863570] lowmem_reserve[]: [ 167.890565] ? warn_alloc+0x120/0x120 [ 167.895366] 0 0 [ 167.898478] ? lock_release+0x970/0x970 [ 167.902252] 3503 [ 167.904231] ? warn_alloc+0x120/0x120 [ 167.908181] 3503 [ 167.910240] ? trace_hardirqs_on+0x310/0x310 [ 167.914027] Node 0 [ 167.916088] ? warn_alloc+0x120/0x120 [ 167.920504] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 167.922710] ? mark_held_locks+0x130/0x130 [ 167.926489] lowmem_reserve[]: [ 167.954768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.958983] 0 [ 167.962085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.967598] 0 [ 167.969410] ? should_fail+0x22d/0xd01 [ 167.974924] 0 [ 167.976727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.980604] 0 [ 167.982416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.987502] Node 0 [ 167.989319] ? should_fail+0x22d/0xd01 [ 167.994832] DMA: [ 167.997087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 168.000951] 1*4kB [ 168.003013] ? should_fail+0x22d/0xd01 [ 168.008113] (U) [ 168.010265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 168.014132] 0*8kB [ 168.016104] ? mark_held_locks+0x130/0x130 [ 168.021183] 0*16kB [ 168.023328] ? mark_held_locks+0x130/0x130 [ 168.027542] 1*32kB [ 168.029778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.034091] (U) [ 168.036326] ? trace_hardirqs_off+0xb8/0x310 [ 168.041840] 2*64kB [ 168.043826] ? kasan_check_read+0x11/0x20 [ 168.048211] (U) [ 168.050450] ? do_raw_spin_unlock+0xa7/0x2f0 [ 168.054566] 1*128kB (U) [ 168.056552] ? trace_hardirqs_on+0x310/0x310 [ 168.060936] 1*256kB [ 168.063608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.067990] (U) [ 168.070312] ? wq_watchdog_touch+0x9c/0xfe [ 168.075831] 0*512kB [ 168.077817] ? io_serial_in+0x11/0x90 [ 168.082025] 1*1024kB [ 168.084345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.088121] (U) [ 168.090528] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 168.096043] 1*2048kB [ 168.098018] __alloc_pages_nodemask+0xa80/0xde0 [ 168.103095] (M) [ 168.105506] ? should_fail+0x22d/0xd01 [ 168.110153] 3*4096kB [ 168.112126] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 168.115988] (M) [ 168.118406] ? ____cache_alloc_node+0x1c7/0x1e0 [ 168.123388] = 15908kB [ 168.125366] ? lock_downgrade+0x900/0x900 [ 168.130006] Node 0 [ 168.132414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.136538] DMA32: [ 168.138775] cache_grow_begin+0x91/0x8c0 [ 168.144292] 4*4kB [ 168.146527] ? do_raw_spin_unlock+0xa7/0x2f0 [ 168.150562] (M) [ 168.152712] fallback_alloc+0x203/0x2e0 [ 168.157096] 0*8kB [ 168.159073] ____cache_alloc_node+0x1c7/0x1e0 [ 168.163022] 2*16kB [ 168.165216] kmem_cache_alloc_node+0xe3/0x730 [ 168.169687] (M) [ 168.171925] ? ipv6_get_ifaddr+0x42e/0x620 [ 168.176393] 2*32kB [ 168.178373] __alloc_skb+0x119/0x770 [ 168.182579] (M) [ 168.184814] ? skb_scrub_packet+0x490/0x490 [ 168.188498] 5*64kB (UM) [ 168.190484] ? lock_downgrade+0x900/0x900 [ 168.194782] 3*128kB [ 168.197449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.201571] (M) [ 168.203895] ? refcount_sub_and_test_checked+0x203/0x310 [ 168.209405] 4*256kB [ 168.211379] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 168.216800] (UM) [ 168.219121] ? addrconf_rs_timer+0x690/0x690 [ 168.224555] 3*512kB [ 168.226621] ndisc_alloc_skb+0x144/0x340 [ 168.231007] (M) [ 168.233331] ndisc_send_rs+0x331/0x6e0 [ 168.237372] 3*1024kB [ 168.239344] addrconf_rs_timer+0x314/0x690 [ 168.243205] (UM) [ 168.245615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.249829] 1*2048kB [ 168.251907] call_timer_fn+0x272/0x920 [ 168.256118] (M) [ 168.258529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.262397] 4*4096kB [ 168.264377] ? process_timeout+0x40/0x40 [ 168.268581] (M) [ 168.271008] ? trace_hardirqs_off+0xb8/0x310 [ 168.275048] = 24880kB [ 168.277025] ? kasan_check_read+0x11/0x20 [ 168.281410] Node 0 [ 168.283819] ? do_raw_spin_unlock+0xa7/0x2f0 [ 168.287939] Normal: [ 168.290184] ? trace_hardirqs_on+0x310/0x310 [ 168.294593] 719*4kB [ 168.296928] ? __run_timers+0x7da/0xc70 [ 168.301305] (ME) [ 168.303627] ? lock_downgrade+0x900/0x900 [ 168.307581] 385*8kB [ 168.309640] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 168.313762] (UME) [ 168.316086] ? trace_hardirqs_on+0xbd/0x310 [ 168.321168] 182*16kB [ 168.323315] ? kasan_check_read+0x11/0x20 [ 168.327613] (ME) [ 168.330022] ? __run_timers+0x7da/0xc70 [ 168.334143] 99*32kB [ 168.336202] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 168.340148] (UME) [ 168.342469] ? kasan_check_write+0x14/0x20 [ 168.347902] 27*64kB [ 168.350051] ? do_raw_spin_lock+0xc1/0x200 [ 168.354250] (UM) 0*128kB [ 168.356582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.360791] 0*256kB [ 168.363548] __run_timers+0x7e5/0xc70 [ 168.367756] 0*512kB [ 168.370080] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 168.373868] 0*1024kB [ 168.376188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 168.381525] 0*2048kB [ 168.383942] ? rcu_bh_qs+0xc0/0xc0 [ 168.389193] 0*4096kB = 13764kB [ 168.391614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.395139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 168.398327] ? check_preemption_disabled+0x48/0x200 [ 168.403857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 168.412695] ? rcu_nmi_exit+0xdb/0x280 [ 168.417688] 148 total pagecache pages [ 168.426286] ? ret_from_intr+0xb/0x1e [ 168.430153] 0 pages in swap cache [ 168.433950] ? retint_kernel+0x2d/0x2d [ 168.437733] Swap cache stats: add 0, delete 0, find 0/0 [ 168.441181] ? trace_hardirqs_on_caller+0xc0/0x310 [ 168.445047] Free swap = 0kB [ 168.450410] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.455313] Total swap = 0kB [ 168.458329] ? trace_hardirqs_off+0x310/0x310 [ 168.463063] 1965979 pages RAM [ 168.466086] ? check_preemption_disabled+0x48/0x200 [ 168.470554] 0 pages HighMem/MovableOnly [ 168.473661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.478654] 342307 pages reserved [ 168.482629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.488144] 0 pages cma reserved [ 168.488220] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 168.491604] ? retint_kernel+0x2d/0x2d [ 168.491627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.496433] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 168.499741] ? check_preemption_disabled+0x48/0x200 [ 168.506209] ksoftirqd/0 cpuset= [ 168.510093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.515605] / [ 168.525920] run_timer_softirq+0x52/0xb0 [ 168.530923] mems_allowed=0 [ 168.534199] ? __this_cpu_preempt_check+0x1c/0x1f [ 168.553212] __do_softirq+0x30b/0xad8 [ 168.557022] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 168.562128] ? pvclock_read_flags+0x160/0x160 [ 168.566622] ? lapic_next_event+0x5a/0x90 [ 168.570770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.576308] ? clockevents_program_event+0x140/0x370 [ 168.581418] ? kvm_clock_read+0x18/0x30 [ 168.585396] ? kvm_sched_clock_read+0x9/0x20 [ 168.589809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.595352] ? check_preemption_disabled+0x48/0x200 [ 168.600389] irq_exit+0x17f/0x1c0 [ 168.603861] smp_apic_timer_interrupt+0x1cb/0x760 [ 168.608706] ? smp_reschedule_interrupt+0x109/0x650 [ 168.613725] ? smp_call_function_single_interrupt+0x650/0x650 [ 168.619624] ? interrupt_entry+0xb5/0xf0 [ 168.623692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 168.628725] ? trace_hardirqs_off_caller+0xbb/0x310 [ 168.633743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.638587] ? trace_hardirqs_on_caller+0x310/0x310 [ 168.643601] ? trace_hardirqs_on_caller+0x310/0x310 [ 168.648624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.654165] ? check_preemption_disabled+0x48/0x200 [ 168.659181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.664725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.669576] apic_timer_interrupt+0xf/0x20 [ 168.673808] [ 168.676050] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 168.680983] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 168.699885] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 168.707599] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 168.714876] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 168.722142] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 168.729409] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 168.736676] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 168.743961] ? trace_hardirqs_on+0xb4/0x310 [ 168.748295] skb_clone+0x1bb/0x500 [ 168.751834] ? finish_task_switch+0x2f5/0x900 [ 168.756345] ? skb_split+0x11e0/0x11e0 [ 168.760242] ? preempt_notifier_register+0x200/0x200 [ 168.765348] ? __switch_to_asm+0x34/0x70 [ 168.769418] ? __switch_to_asm+0x34/0x70 [ 168.773493] ? __switch_to_asm+0x40/0x70 [ 168.777558] ? __switch_to_asm+0x34/0x70 [ 168.781627] ? __switch_to_asm+0x40/0x70 [ 168.785691] ? __switch_to_asm+0x34/0x70 [ 168.789753] ? __switch_to_asm+0x40/0x70 [ 168.793809] ? __switch_to_asm+0x34/0x70 [ 168.797882] ? __switch_to_asm+0x34/0x70 [ 168.801949] ? __switch_to_asm+0x40/0x70 [ 168.806008] ? __switch_to_asm+0x34/0x70 [ 168.810076] bpf_clone_redirect+0xb9/0x490 [ 168.814319] ? __schedule+0x874/0x1ed0 [ 168.818216] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 168.823236] ? __sched_text_start+0x8/0x8 [ 168.827393] ? retint_kernel+0x2d/0x2d [ 168.831280] ? retint_kernel+0x2d/0x2d [ 168.835168] ? trace_hardirqs_on_caller+0xc0/0x310 [ 168.840101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.844866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.849630] ? trace_hardirqs_off+0x310/0x310 [ 168.854134] ? lock_acquire+0x1ed/0x520 [ 168.858106] ? bpf_test_run+0x32e/0x5a0 [ 168.862093] ? lock_release+0x970/0x970 [ 168.866072] ? preempt_schedule+0x4d/0x60 [ 168.870222] ? preempt_schedule_common+0x1f/0xd0 [ 168.874983] ? preempt_schedule+0x4d/0x60 [ 168.879133] ? ___preempt_schedule+0x16/0x18 [ 168.883544] ? bpf_test_run+0x1c0/0x5a0 [ 168.887523] ? netlink_diag_dump+0x2a0/0x2a0 [ 168.891939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 168.897477] ? bpf_test_init.isra.9+0x70/0x100 [ 168.902061] ? bpf_prog_test_run_skb+0x634/0xb40 [ 168.906822] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 168.911673] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 168.917210] ? fput+0x130/0x1a0 [ 168.920494] ? __bpf_prog_get+0x9b/0x290 [ 168.924556] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 168.929403] ? bpf_prog_test_run+0x130/0x1a0 [ 168.933815] ? __x64_sys_bpf+0x3d8/0x510 [ 168.937883] ? bpf_prog_get+0x20/0x20 [ 168.941700] ? do_syscall_64+0x1b9/0x820 [ 168.945761] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 168.951126] ? syscall_return_slowpath+0x5e0/0x5e0 [ 168.956058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.960903] ? trace_hardirqs_on_caller+0x310/0x310 [ 168.965922] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 168.970940] ? prepare_exit_to_usermode+0x291/0x3b0 [ 168.975962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.980814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.986201] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 168.986266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 168.992986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.992991] Call Trace: [ 168.993037] dump_stack+0x1c4/0x2b4 [ 168.993057] ? dump_stack_print_info.cold.2+0x52/0x52 [ 168.999617] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 169.008903] warn_alloc.cold.119+0xb7/0x1bd [ 169.011464] syz-executor0 cpuset= [ 169.015091] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 169.020264] syz0 [ 169.030746] ? lock_downgrade+0x900/0x900 [ 169.035047] mems_allowed=0 [ 169.038492] ? trace_hardirqs_off+0xb8/0x310 [ 169.056797] ? trace_hardirqs_off+0xb8/0x310 [ 169.061215] __alloc_pages_slowpath+0x2667/0x2d80 [ 169.066079] ? warn_alloc+0x120/0x120 [ 169.069895] ? warn_alloc+0x120/0x120 [ 169.073701] ? warn_alloc+0x120/0x120 [ 169.077506] ? mark_held_locks+0x130/0x130 [ 169.081748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.087287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.092824] ? should_fail+0x22d/0xd01 [ 169.096728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.101834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.107387] ? should_fail+0x22d/0xd01 [ 169.111275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.116378] ? should_fail+0x22d/0xd01 [ 169.120273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.125380] ? mark_held_locks+0x130/0x130 [ 169.129632] ? mark_held_locks+0x130/0x130 [ 169.133890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.139438] ? mark_held_locks+0x130/0x130 [ 169.143680] ? trace_hardirqs_on+0x310/0x310 [ 169.148089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.153646] ? wq_watchdog_touch+0x9c/0xfe [ 169.157898] ? io_serial_in+0x11/0x90 [ 169.161806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.167375] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 169.172499] __alloc_pages_nodemask+0xa80/0xde0 [ 169.177174] ? should_fail+0x22d/0xd01 [ 169.181076] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 169.186122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 169.190802] ? lock_downgrade+0x900/0x900 [ 169.194976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.200529] cache_grow_begin+0x91/0x8c0 [ 169.204606] ? do_raw_spin_unlock+0xa7/0x2f0 [ 169.209033] fallback_alloc+0x203/0x2e0 [ 169.213026] ____cache_alloc_node+0x1c7/0x1e0 [ 169.217535] kmem_cache_alloc_node+0xe3/0x730 [ 169.222042] ? ipv6_get_ifaddr+0x42e/0x620 [ 169.226309] __alloc_skb+0x119/0x770 [ 169.230036] ? skb_scrub_packet+0x490/0x490 [ 169.234364] ? lock_downgrade+0x900/0x900 [ 169.238521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.244066] ? refcount_sub_and_test_checked+0x203/0x310 [ 169.249552] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 169.255013] ? addrconf_rs_timer+0x690/0x690 [ 169.259435] ndisc_alloc_skb+0x144/0x340 [ 169.263515] ndisc_send_rs+0x331/0x6e0 [ 169.267414] addrconf_rs_timer+0x314/0x690 [ 169.271653] ? lock_release+0x970/0x970 [ 169.275634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.279894] call_timer_fn+0x272/0x920 [ 169.283796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.288038] ? process_timeout+0x40/0x40 [ 169.292101] ? kasan_check_read+0x11/0x20 [ 169.296257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 169.300679] ? trace_hardirqs_on+0x310/0x310 [ 169.305106] ? __run_timers+0x7da/0xc70 [ 169.309094] ? lock_downgrade+0x900/0x900 [ 169.313253] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 169.318364] ? trace_hardirqs_on+0xbd/0x310 [ 169.322687] ? kasan_check_read+0x11/0x20 [ 169.326840] ? __run_timers+0x7da/0xc70 [ 169.330854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 169.336320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.341884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.346126] __run_timers+0x7e5/0xc70 [ 169.349942] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 169.355314] ? lock_downgrade+0x900/0x900 [ 169.359470] ? finish_task_switch+0x1b5/0x900 [ 169.363976] ? trace_hardirqs_on+0xbd/0x310 [ 169.368302] ? kasan_check_read+0x11/0x20 [ 169.372455] ? finish_task_switch+0x1f5/0x900 [ 169.376956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 169.382413] ? compat_start_thread+0x80/0x80 [ 169.386840] ? pvclock_read_flags+0x160/0x160 [ 169.391354] ? __switch_to_asm+0x34/0x70 [ 169.395414] ? __switch_to_asm+0x34/0x70 [ 169.399473] ? __switch_to_asm+0x40/0x70 [ 169.404019] ? __switch_to_asm+0x40/0x70 [ 169.408079] ? __switch_to_asm+0x34/0x70 [ 169.412143] ? __switch_to_asm+0x40/0x70 [ 169.416217] ? trace_hardirqs_on+0xbd/0x310 [ 169.420551] ? kvm_sched_clock_read+0x9/0x20 [ 169.424962] ? run_ksoftirqd+0x94/0x100 [ 169.428938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.434489] ? check_preemption_disabled+0x48/0x200 [ 169.439509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.445052] run_timer_softirq+0x52/0xb0 [ 169.449117] ? __this_cpu_preempt_check+0x1c/0x1f [ 169.453964] __do_softirq+0x30b/0xad8 [ 169.457771] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 169.462888] ? schedule+0x108/0x460 [ 169.466521] ? trace_hardirqs_off+0xb8/0x310 [ 169.470933] ? smpboot_thread_fn+0x68b/0xa00 [ 169.475345] ? trace_hardirqs_on+0x310/0x310 [ 169.479753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.485293] ? check_preemption_disabled+0x48/0x200 [ 169.490314] ? takeover_tasklets+0xa90/0xa90 [ 169.494724] run_ksoftirqd+0x94/0x100 [ 169.498531] smpboot_thread_fn+0x68b/0xa00 [ 169.502784] ? sort_range+0x30/0x30 [ 169.506413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 169.511723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.517258] ? __kthread_parkme+0xfb/0x1a0 [ 169.521495] kthread+0x35a/0x420 [ 169.524872] ? sort_range+0x30/0x30 [ 169.528497] ? kthread_bind+0x40/0x40 [ 169.532295] ret_from_fork+0x3a/0x50 [ 169.536016] warn_alloc_show_mem: 1 callbacks suppressed [ 169.536029] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 169.536031] Mem-Info: [ 169.536060] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 169.536060] active_file:16 inactive_file:13 isolated_file:0 [ 169.536060] unevictable:0 dirty:0 writeback:0 unstable:0 [ 169.536060] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 169.536060] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 169.536060] free:13630 free_pcp:242 free_cma:0 [ 169.541404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.548593] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 169.550995] Call Trace: [ 169.583872] Node 0 [ 169.593223] [ 169.620822] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 169.623395] dump_stack+0x1c4/0x2b4 [ 169.625630] lowmem_reserve[]: 0 [ 169.627792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 169.653266] 2819 [ 169.656903] warn_alloc.cold.119+0xb7/0x1bd [ 169.660159] 6323 [ 169.665345] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 169.667388] 6323 [ 169.671705] ? lock_downgrade+0x900/0x900 [ 169.678585] ? trace_hardirqs_off+0xb8/0x310 [ 169.680627] Node 0 [ 169.684772] ? trace_hardirqs_off+0xb8/0x310 [ 169.689182] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 169.691396] __alloc_pages_slowpath+0x2667/0x2d80 [ 169.695782] lowmem_reserve[]: [ 169.722772] ? warn_alloc+0x120/0x120 [ 169.727585] 0 [ 169.730690] ? trace_hardirqs_on+0x310/0x310 [ 169.734467] 0 [ 169.736266] ? warn_alloc+0x120/0x120 [ 169.740649] 3503 [ 169.742447] ? warn_alloc+0x120/0x120 [ 169.746217] 3503 [ 169.748289] ? ktime_get+0x2e1/0x440 [ 169.752070] Node 0 [ 169.754134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.757857] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 169.760066] ? check_preemption_disabled+0x48/0x200 [ 169.765576] lowmem_reserve[]: [ 169.793867] ? kasan_check_read+0x11/0x20 [ 169.798883] 0 [ 169.801986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.806109] 0 [ 169.807915] ? should_fail+0x22d/0xd01 [ 169.813426] 0 [ 169.815226] ? rcu_bh_qs+0xc0/0xc0 [ 169.819084] 0 [ 169.820901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.824419] Node 0 [ 169.826218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.831304] DMA: [ 169.833537] ? should_fail+0x22d/0xd01 [ 169.839066] 1*4kB [ 169.841126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.844987] (U) [ 169.847135] ? should_fail+0x22d/0xd01 [ 169.852218] 0*8kB [ 169.854191] ? rcu_idle_enter+0x4b0/0x4b0 [ 169.858056] 0*16kB [ 169.860201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.864328] 1*32kB [ 169.866565] ? mark_held_locks+0x130/0x130 [ 169.871640] (U) [ 169.873888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.878100] 2*64kB [ 169.880075] ? mark_held_locks+0x130/0x130 [ 169.885584] (U) [ 169.887819] ? rcu_irq_exit+0xce/0x100 [ 169.892029] 1*128kB [ 169.894002] ? irq_exit+0xbd/0x1c0 [ 169.897875] (U) [ 169.900202] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 169.903738] 1*256kB [ 169.905715] ? do_raw_spin_unlock+0xa7/0x2f0 [ 169.910704] (U) [ 169.913030] ? smp_call_function_single_interrupt+0x650/0x650 [ 169.917414] 0*512kB [ 169.919402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.925270] 1*1024kB [ 169.927592] ? ret_from_intr+0xb/0x1e [ 169.933107] (U) [ 169.935516] ? retint_kernel+0x2d/0x2d [ 169.939297] 1*2048kB [ 169.941270] ? trace_hardirqs_on_caller+0xc0/0x310 [ 169.945130] (M) [ 169.947545] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.952451] 3*4096kB [ 169.954422] ? trace_hardirqs_off+0x310/0x310 [ 169.959156] (M) [ 169.961567] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 169.966041] = 15908kB [ 169.968021] __alloc_pages_nodemask+0xa80/0xde0 [ 169.973096] Node 0 [ 169.975505] ? should_fail+0x22d/0xd01 [ 169.980153] DMA32: [ 169.982391] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 169.986254] 4*4kB [ 169.988500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 169.993485] (M) [ 169.995634] ? lock_downgrade+0x900/0x900 [ 170.000284] 0*8kB [ 170.002256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.006383] 2*16kB [ 170.008528] cache_grow_begin+0x91/0x8c0 [ 170.014040] (M) [ 170.016280] ? do_raw_spin_unlock+0xa7/0x2f0 [ 170.020318] 2*32kB [ 170.022297] fallback_alloc+0x203/0x2e0 [ 170.026680] (M) [ 170.028921] ____cache_alloc_node+0x1c7/0x1e0 [ 170.032884] 5*64kB [ 170.034868] kmem_cache_alloc_node+0xe3/0x730 [ 170.039376] (UM) [ 170.041611] ? ipv6_get_ifaddr+0x42e/0x620 [ 170.046085] 3*128kB [ 170.048143] __alloc_skb+0x119/0x770 [ 170.052350] (M) [ 170.054721] ? skb_scrub_packet+0x490/0x490 [ 170.058417] 4*256kB [ 170.060396] ? lock_downgrade+0x900/0x900 [ 170.064694] (UM) [ 170.067019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.071142] 3*512kB [ 170.073201] ? refcount_sub_and_test_checked+0x203/0x310 [ 170.078715] (M) [ 170.081039] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 170.086460] 3*1024kB (UM) [ 170.088446] ? addrconf_rs_timer+0x690/0x690 [ 170.093875] 1*2048kB [ 170.096723] ndisc_alloc_skb+0x144/0x340 [ 170.101102] (M) [ 170.103507] ndisc_send_rs+0x331/0x6e0 [ 170.107544] 4*4096kB [ 170.109518] addrconf_rs_timer+0x314/0x690 [ 170.113384] (M) [ 170.115796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.120007] = 24880kB [ 170.121983] call_timer_fn+0x272/0x920 [ 170.126189] Node 0 [ 170.128600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.132461] Normal: [ 170.134697] ? process_timeout+0x40/0x40 [ 170.138906] 719*4kB [ 170.141226] ? trace_hardirqs_off+0xb8/0x310 [ 170.145258] (ME) [ 170.147582] ? kasan_check_read+0x11/0x20 [ 170.151973] 385*8kB [ 170.154044] ? do_raw_spin_unlock+0xa7/0x2f0 [ 170.158163] (UME) [ 170.160485] ? trace_hardirqs_on+0x310/0x310 [ 170.164884] 182*16kB [ 170.167035] ? __run_timers+0x7da/0xc70 [ 170.171416] (ME) [ 170.173824] ? lock_downgrade+0x900/0x900 [ 170.177777] 99*32kB [ 170.179854] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 170.183983] (UME) [ 170.186308] ? trace_hardirqs_on+0xbd/0x310 [ 170.191393] 27*64kB [ 170.193539] ? kasan_check_read+0x11/0x20 [ 170.197839] (UM) [ 170.200173] ? __run_timers+0x7da/0xc70 [ 170.204300] 0*128kB [ 170.206370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 170.210315] 0*256kB [ 170.212634] ? kasan_check_write+0x14/0x20 [ 170.218062] 0*512kB [ 170.220388] ? do_raw_spin_lock+0xc1/0x200 [ 170.224597] 0*1024kB [ 170.226922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.231131] 0*2048kB [ 170.233540] __run_timers+0x7e5/0xc70 [ 170.237748] 0*4096kB = 13764kB [ 170.240174] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 170.243952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 170.247136] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 170.252484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 170.261311] ? rcu_bh_qs+0xc0/0xc0 [ 170.266566] 148 total pagecache pages [ 170.275135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.278652] 0 pages in swap cache [ 170.282452] ? check_preemption_disabled+0x48/0x200 [ 170.287967] Swap cache stats: add 0, delete 0, find 0/0 [ 170.291415] ? rcu_nmi_exit+0xdb/0x280 [ 170.296408] Free swap = 0kB [ 170.301766] ? ret_from_intr+0xb/0x1e [ 170.305631] Total swap = 0kB [ 170.308643] ? retint_kernel+0x2d/0x2d [ 170.312422] 1965979 pages RAM [ 170.315441] ? trace_hardirqs_on_caller+0xc0/0x310 [ 170.319305] 0 pages HighMem/MovableOnly [ 170.322408] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.327313] 342307 pages reserved [ 170.331283] ? trace_hardirqs_off+0x310/0x310 [ 170.336019] 0 pages cma reserved [ 170.339474] ? check_preemption_disabled+0x48/0x200 [ 170.343996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 170.347305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.352364] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 170.358790] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.364308] ksoftirqd/0 cpuset= [ 170.374617] ? retint_kernel+0x2d/0x2d [ 170.379351] / [ 170.382645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.386509] mems_allowed=0 [ 170.388224] ? check_preemption_disabled+0x48/0x200 [ 170.401665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.407216] run_timer_softirq+0x52/0xb0 [ 170.411284] ? __this_cpu_preempt_check+0x1c/0x1f [ 170.416136] __do_softirq+0x30b/0xad8 [ 170.419947] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 170.425057] ? pvclock_read_flags+0x160/0x160 [ 170.429551] ? lapic_next_event+0x5a/0x90 [ 170.433723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.439264] ? clockevents_program_event+0x140/0x370 [ 170.444380] ? kvm_clock_read+0x18/0x30 [ 170.448356] ? kvm_sched_clock_read+0x9/0x20 [ 170.452774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.458313] ? check_preemption_disabled+0x48/0x200 [ 170.463341] irq_exit+0x17f/0x1c0 [ 170.466805] smp_apic_timer_interrupt+0x1cb/0x760 [ 170.471648] ? smp_reschedule_interrupt+0x109/0x650 [ 170.476668] ? smp_call_function_single_interrupt+0x650/0x650 [ 170.482556] ? interrupt_entry+0xb5/0xf0 [ 170.486623] ? trace_hardirqs_off_caller+0xbb/0x310 [ 170.491640] ? trace_hardirqs_off_caller+0xbb/0x310 [ 170.496657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.501509] ? trace_hardirqs_on_caller+0x310/0x310 [ 170.506525] ? trace_hardirqs_on_caller+0x310/0x310 [ 170.511542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.517080] ? check_preemption_disabled+0x48/0x200 [ 170.522099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.527645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.532494] apic_timer_interrupt+0xf/0x20 [ 170.536720] [ 170.538959] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 170.543894] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 170.562790] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 170.570501] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 170.577770] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 170.585036] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 170.592314] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 170.599583] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 170.606876] ? trace_hardirqs_on+0xb4/0x310 [ 170.611214] skb_clone+0x1bb/0x500 [ 170.614759] ? finish_task_switch+0x2f5/0x900 [ 170.619251] ? skb_split+0x11e0/0x11e0 [ 170.623140] ? preempt_notifier_register+0x200/0x200 [ 170.628239] ? __switch_to_asm+0x34/0x70 [ 170.632298] ? __switch_to_asm+0x34/0x70 [ 170.636356] ? __switch_to_asm+0x40/0x70 [ 170.640425] ? __switch_to_asm+0x34/0x70 [ 170.644482] ? __switch_to_asm+0x40/0x70 [ 170.648540] ? __switch_to_asm+0x34/0x70 [ 170.652599] ? __switch_to_asm+0x40/0x70 [ 170.656661] ? __switch_to_asm+0x34/0x70 [ 170.660721] ? __switch_to_asm+0x34/0x70 [ 170.664780] ? __switch_to_asm+0x40/0x70 [ 170.668887] ? __switch_to_asm+0x34/0x70 [ 170.672954] bpf_clone_redirect+0xb9/0x490 [ 170.677194] ? __schedule+0x874/0x1ed0 [ 170.681095] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 170.686112] ? __sched_text_start+0x8/0x8 [ 170.690259] ? retint_kernel+0x2d/0x2d [ 170.694146] ? retint_kernel+0x2d/0x2d [ 170.698035] ? trace_hardirqs_on_caller+0xc0/0x310 [ 170.702965] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.707731] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.712511] ? trace_hardirqs_off+0x310/0x310 [ 170.717018] ? lock_acquire+0x1ed/0x520 [ 170.720993] ? bpf_test_run+0x32e/0x5a0 [ 170.724975] ? lock_release+0x970/0x970 [ 170.728952] ? preempt_schedule+0x4d/0x60 [ 170.733105] ? preempt_schedule_common+0x1f/0xd0 [ 170.737872] ? preempt_schedule+0x4d/0x60 [ 170.742027] ? ___preempt_schedule+0x16/0x18 [ 170.746439] ? bpf_test_run+0x1c0/0x5a0 [ 170.750417] ? netlink_diag_dump+0x2a0/0x2a0 [ 170.754828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 170.760380] ? bpf_test_init.isra.9+0x70/0x100 [ 170.764969] ? bpf_prog_test_run_skb+0x634/0xb40 [ 170.769730] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 170.774573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 170.780112] ? fput+0x130/0x1a0 [ 170.783397] ? __bpf_prog_get+0x9b/0x290 [ 170.787463] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 170.792304] ? bpf_prog_test_run+0x130/0x1a0 [ 170.796716] ? __x64_sys_bpf+0x3d8/0x510 [ 170.800775] ? bpf_prog_get+0x20/0x20 [ 170.804589] ? do_syscall_64+0x1b9/0x820 [ 170.808648] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 170.814012] ? syscall_return_slowpath+0x5e0/0x5e0 [ 170.818941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.823788] ? trace_hardirqs_on_caller+0x310/0x310 [ 170.828804] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 170.833822] ? prepare_exit_to_usermode+0x291/0x3b0 [ 170.838865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.843720] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.849099] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 170.849151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 170.855878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.862451] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 170.871703] Call Trace: [ 170.882180] syz-executor0 cpuset=syz0 [ 170.884767] dump_stack+0x1c4/0x2b4 [ 170.884786] ? dump_stack_print_info.cold.2+0x52/0x52 [ 170.888567] mems_allowed=0 [ 170.892193] warn_alloc.cold.119+0xb7/0x1bd [ 170.904598] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 170.909446] ? lock_downgrade+0x900/0x900 [ 170.913601] ? trace_hardirqs_off+0xb8/0x310 [ 170.918011] ? trace_hardirqs_off+0xb8/0x310 [ 170.922427] __alloc_pages_slowpath+0x2667/0x2d80 [ 170.927289] ? warn_alloc+0x120/0x120 [ 170.931106] ? warn_alloc+0x120/0x120 [ 170.934908] ? warn_alloc+0x120/0x120 [ 170.938711] ? mark_held_locks+0x130/0x130 [ 170.942952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.948495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 170.954033] ? should_fail+0x22d/0xd01 [ 170.957928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.963119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 170.968659] ? should_fail+0x22d/0xd01 [ 170.972555] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.977657] ? should_fail+0x22d/0xd01 [ 170.981551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.986657] ? mark_held_locks+0x130/0x130 [ 170.990905] ? mark_held_locks+0x130/0x130 [ 170.995142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.000682] ? trace_hardirqs_off+0xb8/0x310 [ 171.005089] ? kasan_check_read+0x11/0x20 [ 171.009239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 171.013647] ? trace_hardirqs_on+0x310/0x310 [ 171.018056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.023592] ? wq_watchdog_touch+0x9c/0xfe [ 171.027830] ? io_serial_in+0x11/0x90 [ 171.031643] ? retint_kernel+0x2d/0x2d [ 171.035534] ? trace_hardirqs_on_caller+0xc0/0x310 [ 171.040463] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 171.045234] ? trace_hardirqs_off+0x310/0x310 [ 171.049729] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 171.054933] __alloc_pages_nodemask+0xa80/0xde0 [ 171.059602] ? should_fail+0x22d/0xd01 [ 171.063492] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 171.068526] ? ____cache_alloc_node+0x1c7/0x1e0 [ 171.073198] ? lock_downgrade+0x900/0x900 [ 171.077349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.082896] cache_grow_begin+0x91/0x8c0 [ 171.086959] ? do_raw_spin_unlock+0xa7/0x2f0 [ 171.091373] fallback_alloc+0x203/0x2e0 [ 171.095355] ____cache_alloc_node+0x1c7/0x1e0 [ 171.099873] kmem_cache_alloc_node+0xe3/0x730 [ 171.104371] ? ipv6_get_ifaddr+0x42e/0x620 [ 171.108616] __alloc_skb+0x119/0x770 [ 171.112334] ? skb_scrub_packet+0x490/0x490 [ 171.116669] ? lock_downgrade+0x900/0x900 [ 171.120863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.126411] ? refcount_sub_and_test_checked+0x203/0x310 [ 171.131877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 171.137330] ? addrconf_rs_timer+0x690/0x690 [ 171.141749] ndisc_alloc_skb+0x144/0x340 [ 171.145818] ndisc_send_rs+0x331/0x6e0 [ 171.149727] addrconf_rs_timer+0x314/0x690 [ 171.153965] ? lock_release+0x970/0x970 [ 171.157942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.162188] call_timer_fn+0x272/0x920 [ 171.166075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.170314] ? process_timeout+0x40/0x40 [ 171.174374] ? kasan_check_read+0x11/0x20 [ 171.178529] ? do_raw_spin_unlock+0xa7/0x2f0 [ 171.182942] ? trace_hardirqs_on+0x310/0x310 [ 171.187357] ? __run_timers+0x7da/0xc70 [ 171.191355] ? lock_downgrade+0x900/0x900 [ 171.195510] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 171.200615] ? trace_hardirqs_on+0xbd/0x310 [ 171.204933] ? kasan_check_read+0x11/0x20 [ 171.209080] ? __run_timers+0x7da/0xc70 [ 171.213064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 171.218517] ? kasan_check_write+0x14/0x20 [ 171.222750] ? do_raw_spin_lock+0xc1/0x200 [ 171.226992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.231227] __run_timers+0x7e5/0xc70 [ 171.235041] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 171.240421] ? lock_downgrade+0x900/0x900 [ 171.244572] ? finish_task_switch+0x1b5/0x900 [ 171.249076] ? trace_hardirqs_on+0xbd/0x310 [ 171.253399] ? kasan_check_read+0x11/0x20 [ 171.257548] ? finish_task_switch+0x1f5/0x900 [ 171.262043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 171.267492] ? compat_start_thread+0x80/0x80 [ 171.271914] ? pvclock_read_flags+0x160/0x160 [ 171.276410] ? __switch_to_asm+0x34/0x70 [ 171.280469] ? __switch_to_asm+0x34/0x70 [ 171.284530] ? __switch_to_asm+0x40/0x70 [ 171.288589] ? __switch_to_asm+0x40/0x70 [ 171.292647] ? __switch_to_asm+0x34/0x70 [ 171.296706] ? __switch_to_asm+0x40/0x70 [ 171.300773] ? trace_hardirqs_on+0xbd/0x310 [ 171.305096] ? kvm_sched_clock_read+0x9/0x20 [ 171.309503] ? run_ksoftirqd+0x94/0x100 [ 171.313477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.319017] ? check_preemption_disabled+0x48/0x200 [ 171.324033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.329572] run_timer_softirq+0x52/0xb0 [ 171.333634] ? __this_cpu_preempt_check+0x1c/0x1f [ 171.338479] __do_softirq+0x30b/0xad8 [ 171.342288] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 171.347403] ? schedule+0x108/0x460 [ 171.351040] ? trace_hardirqs_off+0xb8/0x310 [ 171.355453] ? smpboot_thread_fn+0x68b/0xa00 [ 171.359874] ? trace_hardirqs_on+0x310/0x310 [ 171.364301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 171.369876] ? check_preemption_disabled+0x48/0x200 [ 171.374903] ? takeover_tasklets+0xa90/0xa90 [ 171.379313] run_ksoftirqd+0x94/0x100 [ 171.383114] smpboot_thread_fn+0x68b/0xa00 [ 171.387350] ? sort_range+0x30/0x30 [ 171.390982] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 171.396095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 171.401821] ? __kthread_parkme+0xfb/0x1a0 [ 171.406076] kthread+0x35a/0x420 [ 171.409441] ? sort_range+0x30/0x30 [ 171.413066] ? kthread_bind+0x40/0x40 [ 171.416879] ret_from_fork+0x3a/0x50 [ 171.420600] warn_alloc_show_mem: 1 callbacks suppressed [ 171.420613] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 171.420614] Mem-Info: [ 171.420645] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 171.420645] active_file:16 inactive_file:13 isolated_file:0 [ 171.420645] unevictable:0 dirty:0 writeback:0 unstable:0 [ 171.420645] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 171.420645] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 171.420645] free:13630 free_pcp:242 free_cma:0 [ 171.425992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.433186] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 171.435586] Call Trace: [ 171.468453] Node 0 [ 171.477803] [ 171.477832] dump_stack+0x1c4/0x2b4 [ 171.505547] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 171.508123] ? dump_stack_print_info.cold.2+0x52/0x52 [ 171.510482] lowmem_reserve[]: 0 [ 171.512656] warn_alloc.cold.119+0xb7/0x1bd [ 171.516252] 2819 [ 171.541767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 171.546941] 6323 [ 171.550226] ? lock_downgrade+0x900/0x900 [ 171.554522] 6323 [ 171.556588] ? trace_hardirqs_off+0xb8/0x310 [ 171.563467] ? trace_hardirqs_off+0xb8/0x310 [ 171.567597] Node 0 [ 171.569663] __alloc_pages_slowpath+0x2667/0x2d80 [ 171.574071] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 171.578472] ? warn_alloc+0x120/0x120 [ 171.580681] lowmem_reserve[]: [ 171.585522] ? trace_hardirqs_on+0x310/0x310 [ 171.612471] 0 0 [ 171.616283] ? warn_alloc+0x120/0x120 [ 171.619368] 3503 [ 171.623776] ? warn_alloc+0x120/0x120 [ 171.625730] 3503 [ 171.629526] ? ktime_get+0x2e1/0x440 [ 171.631587] Node 0 [ 171.635393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.637459] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 171.641152] ? check_preemption_disabled+0x48/0x200 [ 171.643359] lowmem_reserve[]: 0 0 [ 171.648908] ? kasan_check_read+0x11/0x20 [ 171.677169] 0 [ 171.682192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 171.685625] 0 [ 171.689774] ? should_fail+0x22d/0xd01 [ 171.691553] Node 0 [ 171.697091] ? rcu_bh_qs+0xc0/0xc0 [ 171.698877] DMA: [ 171.702762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.704975] 1*4kB [ 171.708514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 171.710556] (U) [ 171.715653] ? should_fail+0x22d/0xd01 [ 171.717781] 0*8kB [ 171.723312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.725266] 0*16kB [ 171.729148] ? should_fail+0x22d/0xd01 [ 171.731277] 1*32kB [ 171.736380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.738590] (U) [ 171.742483] ? mark_held_locks+0x130/0x130 [ 171.744697] 2*64kB [ 171.749798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.751753] (U) [ 171.755985] ? mark_held_locks+0x130/0x130 [ 171.758203] 1*128kB [ 171.763736] ? rcu_irq_exit+0xce/0x100 [ 171.765687] (U) [ 171.769919] ? irq_exit+0xbd/0x1c0 [ 171.772223] 1*256kB [ 171.776105] ? mark_held_locks+0x130/0x130 [ 171.778057] (U) [ 171.781599] ? smp_call_function_single_interrupt+0x650/0x650 [ 171.783899] 0*512kB [ 171.788129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.790082] 1*1024kB [ 171.795963] ? ret_from_intr+0xb/0x1e [ 171.798266] (U) [ 171.803800] ? retint_kernel+0x2d/0x2d [ 171.806188] 1*2048kB [ 171.809991] ? trace_hardirqs_on_caller+0xc0/0x310 [ 171.811942] (M) [ 171.815829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 171.818222] 3*4096kB [ 171.823152] ? trace_hardirqs_off+0x310/0x310 [ 171.825108] (M) [ 171.829877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 171.832270] = 15908kB [ 171.836762] __alloc_pages_nodemask+0xa80/0xde0 [ 171.838716] Node 0 [ 171.843820] ? should_fail+0x22d/0xd01 [ 171.846209] DMA32: [ 171.850887] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 171.853105] 4*4kB [ 171.857000] ? ____cache_alloc_node+0x1c7/0x1e0 [ 171.859209] (M) [ 171.864221] ? lock_downgrade+0x900/0x900 [ 171.866349] 0*8kB [ 171.871027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.872983] 2*16kB [ 171.877126] cache_grow_begin+0x91/0x8c0 [ 171.879257] (M) [ 171.884791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 171.887003] 2*32kB [ 171.891071] fallback_alloc+0x203/0x2e0 [ 171.893036] (M) [ 171.897444] ____cache_alloc_node+0x1c7/0x1e0 [ 171.899660] 5*64kB [ 171.903633] kmem_cache_alloc_node+0xe3/0x730 [ 171.905593] (UM) [ 171.910087] ? ipv6_get_ifaddr+0x42e/0x620 [ 171.912303] 3*128kB [ 171.916799] __alloc_skb+0x119/0x770 [ 171.918838] (M) [ 171.923076] ? skb_scrub_packet+0x490/0x490 [ 171.925379] 4*256kB [ 171.929091] ? lock_downgrade+0x900/0x900 [ 171.931045] (UM) [ 171.935369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.937665] 3*512kB [ 171.941814] ? refcount_sub_and_test_checked+0x203/0x310 [ 171.943864] (M) [ 171.949398] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 171.951696] 3*1024kB [ 171.957144] ? addrconf_rs_timer+0x690/0x690 [ 171.959098] (UM) [ 171.964545] ndisc_alloc_skb+0x144/0x340 [ 171.966933] 1*2048kB [ 171.971333] ndisc_send_rs+0x331/0x6e0 [ 171.973375] (M) [ 171.977433] addrconf_rs_timer+0x314/0x690 [ 171.979907] 4*4096kB [ 171.983794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.985746] (M) [ 171.989981] call_timer_fn+0x272/0x920 [ 171.992370] = 24880kB [ 171.996688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.998638] Node 0 [ 172.002529] ? process_timeout+0x40/0x40 [ 172.004921] Normal: [ 172.009150] ? trace_hardirqs_off+0xb8/0x310 [ 172.011368] 719*4kB [ 172.015420] ? kasan_check_read+0x11/0x20 [ 172.017722] (ME) [ 172.022126] ? do_raw_spin_unlock+0xa7/0x2f0 [ 172.024425] 385*8kB [ 172.028572] ? trace_hardirqs_on+0x310/0x310 [ 172.030607] (UME) [ 172.035012] ? __run_timers+0x7da/0xc70 [ 172.037313] 182*16kB [ 172.041715] ? lock_downgrade+0x900/0x900 [ 172.043840] (ME) [ 172.047822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 172.050208] 99*32kB [ 172.054349] ? trace_hardirqs_on+0xbd/0x310 [ 172.056392] (UME) [ 172.061494] ? kasan_check_read+0x11/0x20 [ 172.063793] 27*64kB [ 172.068108] ? __run_timers+0x7da/0xc70 [ 172.070238] (UM) [ 172.074391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 172.076694] 0*128kB [ 172.080686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.082730] 0*256kB [ 172.088177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 172.090476] 0*512kB [ 172.096009] __run_timers+0x7e5/0xc70 [ 172.098308] 0*1024kB [ 172.102546] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 172.104853] 0*2048kB [ 172.108649] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 172.111033] 0*4096kB [ 172.116393] ? rcu_bh_qs+0xc0/0xc0 [ 172.118788] = 13764kB [ 172.124058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.126447] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 172.129984] ? check_preemption_disabled+0x48/0x200 [ 172.132371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 172.132381] 148 total pagecache pages [ 172.137917] ? rcu_nmi_exit+0xdb/0x280 [ 172.146727] 0 pages in swap cache [ 172.151741] ? ret_from_intr+0xb/0x1e [ 172.160300] Swap cache stats: add 0, delete 0, find 0/0 [ 172.164094] ? retint_kernel+0x2d/0x2d [ 172.167968] Free swap = 0kB [ 172.171434] ? trace_hardirqs_on_caller+0xc0/0x310 [ 172.175212] Total swap = 0kB [ 172.180580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.184441] 1965979 pages RAM [ 172.187459] ? trace_hardirqs_off+0x310/0x310 [ 172.192367] 0 pages HighMem/MovableOnly [ 172.195392] ? check_preemption_disabled+0x48/0x200 [ 172.200117] 342307 pages reserved [ 172.203224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.207694] 0 pages cma reserved [ 172.211668] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.216709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 172.220107] ? retint_kernel+0x2d/0x2d [ 172.220128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.225685] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 172.229011] ? check_preemption_disabled+0x48/0x200 [ 172.233741] ksoftirqd/0 cpuset= [ 172.240235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.244098] / [ 172.249632] run_timer_softirq+0x52/0xb0 [ 172.259924] mems_allowed=0 [ 172.264944] ? __this_cpu_preempt_check+0x1c/0x1f [ 172.287219] __do_softirq+0x30b/0xad8 [ 172.291027] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 172.296136] ? pvclock_read_flags+0x160/0x160 [ 172.300632] ? lapic_next_event+0x5a/0x90 [ 172.304777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.310312] ? clockevents_program_event+0x140/0x370 [ 172.315414] ? kvm_clock_read+0x18/0x30 [ 172.319394] ? kvm_sched_clock_read+0x9/0x20 [ 172.323804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.329354] ? check_preemption_disabled+0x48/0x200 [ 172.334404] irq_exit+0x17f/0x1c0 [ 172.337871] smp_apic_timer_interrupt+0x1cb/0x760 [ 172.342717] ? smp_reschedule_interrupt+0x109/0x650 [ 172.347731] ? smp_call_function_single_interrupt+0x650/0x650 [ 172.353614] ? interrupt_entry+0xb5/0xf0 [ 172.357674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 172.362687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 172.367703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.372545] ? trace_hardirqs_on_caller+0x310/0x310 [ 172.377561] ? trace_hardirqs_on_caller+0x310/0x310 [ 172.382578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.388116] ? check_preemption_disabled+0x48/0x200 [ 172.393133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.398671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.403522] apic_timer_interrupt+0xf/0x20 [ 172.407752] [ 172.409991] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 172.414924] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 172.433856] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 172.441569] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 172.448836] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 172.456112] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 172.463383] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 172.470647] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 172.477930] ? trace_hardirqs_on+0xb4/0x310 [ 172.482270] skb_clone+0x1bb/0x500 [ 172.485814] ? finish_task_switch+0x2f5/0x900 [ 172.490317] ? skb_split+0x11e0/0x11e0 [ 172.494204] ? preempt_notifier_register+0x200/0x200 [ 172.499307] ? __switch_to_asm+0x34/0x70 [ 172.503376] ? __switch_to_asm+0x34/0x70 [ 172.507432] ? __switch_to_asm+0x40/0x70 [ 172.511487] ? __switch_to_asm+0x34/0x70 [ 172.515549] ? __switch_to_asm+0x40/0x70 [ 172.519604] ? __switch_to_asm+0x34/0x70 [ 172.523660] ? __switch_to_asm+0x40/0x70 [ 172.527720] ? __switch_to_asm+0x34/0x70 [ 172.531777] ? __switch_to_asm+0x34/0x70 [ 172.535838] ? __switch_to_asm+0x40/0x70 [ 172.539908] ? __switch_to_asm+0x34/0x70 [ 172.543983] bpf_clone_redirect+0xb9/0x490 [ 172.548221] ? __schedule+0x874/0x1ed0 [ 172.552109] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 172.557127] ? __sched_text_start+0x8/0x8 [ 172.561272] ? retint_kernel+0x2d/0x2d [ 172.565155] ? retint_kernel+0x2d/0x2d [ 172.569043] ? trace_hardirqs_on_caller+0xc0/0x310 [ 172.573972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.578730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.583489] ? trace_hardirqs_off+0x310/0x310 [ 172.587993] ? lock_acquire+0x1ed/0x520 [ 172.591964] ? bpf_test_run+0x32e/0x5a0 [ 172.595952] ? lock_release+0x970/0x970 [ 172.599925] ? preempt_schedule+0x4d/0x60 [ 172.604078] ? preempt_schedule_common+0x1f/0xd0 [ 172.608831] ? preempt_schedule+0x4d/0x60 [ 172.612989] ? ___preempt_schedule+0x16/0x18 [ 172.617397] ? bpf_test_run+0x1c0/0x5a0 [ 172.621385] ? netlink_diag_dump+0x2a0/0x2a0 [ 172.625794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 172.631328] ? bpf_test_init.isra.9+0x70/0x100 [ 172.635915] ? bpf_prog_test_run_skb+0x634/0xb40 [ 172.640675] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 172.645520] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 172.651063] ? fput+0x130/0x1a0 [ 172.654341] ? __bpf_prog_get+0x9b/0x290 [ 172.658410] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 172.663247] ? bpf_prog_test_run+0x130/0x1a0 [ 172.667657] ? __x64_sys_bpf+0x3d8/0x510 [ 172.671716] ? bpf_prog_get+0x20/0x20 [ 172.675530] ? do_syscall_64+0x1b9/0x820 [ 172.679587] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 172.684949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 172.689883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.694729] ? trace_hardirqs_on_caller+0x310/0x310 [ 172.699744] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 172.704769] ? prepare_exit_to_usermode+0x291/0x3b0 [ 172.709822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.714681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.720057] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 172.720124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 172.726828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.733397] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 172.742655] Call Trace: [ 172.753126] syz-executor0 cpuset=syz0 [ 172.755711] dump_stack+0x1c4/0x2b4 [ 172.755730] ? dump_stack_print_info.cold.2+0x52/0x52 [ 172.759510] mems_allowed=0 [ 172.763134] warn_alloc.cold.119+0xb7/0x1bd [ 172.775522] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 172.780368] ? lock_downgrade+0x900/0x900 [ 172.784519] ? trace_hardirqs_off+0xb8/0x310 [ 172.788927] ? trace_hardirqs_off+0xb8/0x310 [ 172.793341] __alloc_pages_slowpath+0x2667/0x2d80 [ 172.798202] ? warn_alloc+0x120/0x120 [ 172.802004] ? warn_alloc+0x120/0x120 [ 172.805804] ? warn_alloc+0x120/0x120 [ 172.809605] ? mark_held_locks+0x130/0x130 [ 172.813861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.819402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 172.824936] ? should_fail+0x22d/0xd01 [ 172.828828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.833946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 172.839479] ? should_fail+0x22d/0xd01 [ 172.843366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.848468] ? should_fail+0x22d/0xd01 [ 172.852356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.857460] ? mark_held_locks+0x130/0x130 [ 172.861693] ? mark_held_locks+0x130/0x130 [ 172.865925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.871463] ? trace_hardirqs_off+0xb8/0x310 [ 172.875881] ? kasan_check_read+0x11/0x20 [ 172.880028] ? do_raw_spin_unlock+0xa7/0x2f0 [ 172.884433] ? trace_hardirqs_on+0x310/0x310 [ 172.888852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.894396] ? wq_watchdog_touch+0x9c/0xfe [ 172.898631] ? io_serial_in+0x11/0x90 [ 172.902429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.907968] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 172.913076] __alloc_pages_nodemask+0xa80/0xde0 [ 172.917744] ? should_fail+0x22d/0xd01 [ 172.921633] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 172.926660] ? ____cache_alloc_node+0x1c7/0x1e0 [ 172.931331] ? lock_downgrade+0x900/0x900 [ 172.935480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.941021] cache_grow_begin+0x91/0x8c0 [ 172.945083] ? do_raw_spin_unlock+0xa7/0x2f0 [ 172.949494] fallback_alloc+0x203/0x2e0 [ 172.953470] ____cache_alloc_node+0x1c7/0x1e0 [ 172.957968] kmem_cache_alloc_node+0xe3/0x730 [ 172.962463] ? ipv6_get_ifaddr+0x42e/0x620 [ 172.966704] __alloc_skb+0x119/0x770 [ 172.970423] ? skb_scrub_packet+0x490/0x490 [ 172.974743] ? lock_downgrade+0x900/0x900 [ 172.978900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.984437] ? refcount_sub_and_test_checked+0x203/0x310 [ 172.989895] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 172.995344] ? addrconf_rs_timer+0x690/0x690 [ 172.999756] ndisc_alloc_skb+0x144/0x340 [ 173.003820] ndisc_send_rs+0x331/0x6e0 [ 173.007722] addrconf_rs_timer+0x314/0x690 [ 173.011957] ? lock_release+0x970/0x970 [ 173.015938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.020177] call_timer_fn+0x272/0x920 [ 173.024065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.028298] ? process_timeout+0x40/0x40 [ 173.032353] ? kasan_check_read+0x11/0x20 [ 173.036504] ? do_raw_spin_unlock+0xa7/0x2f0 [ 173.040910] ? trace_hardirqs_on+0x310/0x310 [ 173.045319] ? __run_timers+0x7da/0xc70 [ 173.049293] ? lock_downgrade+0x900/0x900 [ 173.053445] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 173.058565] ? trace_hardirqs_on+0xbd/0x310 [ 173.062892] ? kasan_check_read+0x11/0x20 [ 173.067040] ? __run_timers+0x7da/0xc70 [ 173.071018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.076468] ? kasan_check_write+0x14/0x20 [ 173.080701] ? do_raw_spin_lock+0xc1/0x200 [ 173.084940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.089176] __run_timers+0x7e5/0xc70 [ 173.092987] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 173.098347] ? lock_downgrade+0x900/0x900 [ 173.102497] ? finish_task_switch+0x1b5/0x900 [ 173.107005] ? trace_hardirqs_on+0xbd/0x310 [ 173.111320] ? kasan_check_read+0x11/0x20 [ 173.115468] ? finish_task_switch+0x1f5/0x900 [ 173.119963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.125412] ? compat_start_thread+0x80/0x80 [ 173.129829] ? pvclock_read_flags+0x160/0x160 [ 173.134334] ? __switch_to_asm+0x34/0x70 [ 173.138393] ? __switch_to_asm+0x34/0x70 [ 173.142451] ? __switch_to_asm+0x40/0x70 [ 173.146508] ? __switch_to_asm+0x40/0x70 [ 173.150565] ? __switch_to_asm+0x34/0x70 [ 173.154619] ? __switch_to_asm+0x40/0x70 [ 173.158682] ? trace_hardirqs_on+0xbd/0x310 [ 173.163012] ? kvm_sched_clock_read+0x9/0x20 [ 173.167428] ? run_ksoftirqd+0x94/0x100 [ 173.171408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.176945] ? check_preemption_disabled+0x48/0x200 [ 173.181962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.187503] run_timer_softirq+0x52/0xb0 [ 173.191564] ? __this_cpu_preempt_check+0x1c/0x1f [ 173.196406] __do_softirq+0x30b/0xad8 [ 173.200212] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 173.205323] ? schedule+0x108/0x460 [ 173.208957] ? trace_hardirqs_off+0xb8/0x310 [ 173.213366] ? smpboot_thread_fn+0x68b/0xa00 [ 173.217776] ? trace_hardirqs_on+0x310/0x310 [ 173.222186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 173.227724] ? check_preemption_disabled+0x48/0x200 [ 173.232745] ? takeover_tasklets+0xa90/0xa90 [ 173.237151] run_ksoftirqd+0x94/0x100 [ 173.240951] smpboot_thread_fn+0x68b/0xa00 [ 173.245184] ? sort_range+0x30/0x30 [ 173.248813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 173.253928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 173.259465] ? __kthread_parkme+0xfb/0x1a0 [ 173.263700] kthread+0x35a/0x420 [ 173.267070] ? sort_range+0x30/0x30 [ 173.270693] ? kthread_bind+0x40/0x40 [ 173.274495] ret_from_fork+0x3a/0x50 [ 173.278211] warn_alloc_show_mem: 1 callbacks suppressed [ 173.278224] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 173.278226] Mem-Info: [ 173.278255] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 173.278255] active_file:16 inactive_file:13 isolated_file:0 [ 173.278255] unevictable:0 dirty:0 writeback:0 unstable:0 [ 173.278255] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 173.278255] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 173.278255] free:13630 free_pcp:242 free_cma:0 [ 173.283600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.290794] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 173.293195] Call Trace: [ 173.326069] Node 0 [ 173.335422] [ 173.362934] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 173.365507] dump_stack+0x1c4/0x2b4 [ 173.367716] lowmem_reserve[]: [ 173.369875] ? dump_stack_print_info.cold.2+0x52/0x52 [ 173.395356] 0 [ 173.398991] warn_alloc.cold.119+0xb7/0x1bd [ 173.402515] 2819 [ 173.407704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 173.409486] 6323 [ 173.413802] ? lock_downgrade+0x900/0x900 [ 173.415836] 6323 [ 173.420694] ? trace_hardirqs_off+0xb8/0x310 [ 173.426885] ? trace_hardirqs_off+0xb8/0x310 [ 173.428927] Node 0 [ 173.433329] __alloc_pages_slowpath+0x2667/0x2d80 [ 173.437740] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 173.439957] ? warn_alloc+0x120/0x120 [ 173.444761] lowmem_reserve[]: [ 173.471737] ? trace_hardirqs_on+0x310/0x310 [ 173.475515] 0 [ 173.478618] ? warn_alloc+0x120/0x120 [ 173.483027] 0 [ 173.484830] ? warn_alloc+0x120/0x120 [ 173.488616] 3503 [ 173.490413] ? ktime_get+0x2e1/0x440 [ 173.494189] 3503 [ 173.496247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.502001] ? check_preemption_disabled+0x48/0x200 [ 173.507525] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 173.513026] ? kasan_check_read+0x11/0x20 [ 173.513044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 173.541914] lowmem_reserve[]: [ 173.546061] ? should_fail+0x22d/0xd01 [ 173.551572] 0 [ 173.554673] ? rcu_bh_qs+0xc0/0xc0 [ 173.558535] 0 [ 173.560332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.563864] 0 [ 173.565663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 173.570743] 0 [ 173.572542] ? should_fail+0x22d/0xd01 [ 173.579874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.583736] Node 0 [ 173.588828] ? should_fail+0x22d/0xd01 [ 173.588831] DMA: 1*4kB [ 173.591081] ? rcu_idle_enter+0x4b0/0x4b0 [ 173.594945] (U) [ 173.597529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.601649] 0*8kB 0*16kB [ 173.603719] ? mark_held_locks+0x130/0x130 [ 173.608795] 1*32kB [ 173.611547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.615757] (U) [ 173.617992] ? mark_held_locks+0x130/0x130 [ 173.623505] 2*64kB [ 173.625474] ? rcu_irq_exit+0xce/0x100 [ 173.629683] (U) [ 173.631918] ? irq_exit+0xbd/0x1c0 [ 173.635782] 1*128kB [ 173.637755] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 173.641267] (U) [ 173.643587] ? do_raw_spin_unlock+0xa7/0x2f0 [ 173.648579] 1*256kB [ 173.650551] ? smp_call_function_single_interrupt+0x650/0x650 [ 173.654938] (U) [ 173.657258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.663110] 0*512kB 1*1024kB [ 173.665095] ? ret_from_intr+0xb/0x1e [ 173.670607] (U) [ 173.673706] ? retint_kernel+0x2d/0x2d [ 173.677486] 1*2048kB [ 173.679457] ? trace_hardirqs_on_caller+0xc0/0x310 [ 173.683315] (M) [ 173.685724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 173.690626] 3*4096kB [ 173.692598] ? trace_hardirqs_off+0x310/0x310 [ 173.697328] (M) [ 173.699732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 173.704205] = 15908kB [ 173.706177] __alloc_pages_nodemask+0xa80/0xde0 [ 173.711252] Node 0 [ 173.713657] ? should_fail+0x22d/0xd01 [ 173.718300] DMA32: [ 173.720537] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 173.724399] 4*4kB [ 173.726639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 173.731622] (M) [ 173.733774] ? lock_downgrade+0x900/0x900 [ 173.738416] 0*8kB [ 173.740392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.744514] 2*16kB [ 173.746662] cache_grow_begin+0x91/0x8c0 [ 173.752170] (M) [ 173.754406] ? do_raw_spin_unlock+0xa7/0x2f0 [ 173.758440] 2*32kB [ 173.760412] fallback_alloc+0x203/0x2e0 [ 173.764815] (M) 5*64kB [ 173.767066] ____cache_alloc_node+0x1c7/0x1e0 [ 173.771015] (UM) [ 173.773604] kmem_cache_alloc_node+0xe3/0x730 [ 173.778094] 3*128kB [ 173.780155] ? ipv6_get_ifaddr+0x42e/0x620 [ 173.784621] (M) [ 173.786945] __alloc_skb+0x119/0x770 [ 173.791155] 4*256kB [ 173.793124] ? skb_scrub_packet+0x490/0x490 [ 173.796812] (UM) [ 173.799138] ? lock_downgrade+0x900/0x900 [ 173.803435] 3*512kB [ 173.805497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.809618] (M) [ 173.811940] ? refcount_sub_and_test_checked+0x203/0x310 [ 173.817451] 3*1024kB [ 173.819424] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 173.824863] (UM) [ 173.827267] ? addrconf_rs_timer+0x690/0x690 [ 173.832691] 1*2048kB [ 173.834753] ndisc_alloc_skb+0x144/0x340 [ 173.839132] (M) [ 173.841538] ndisc_send_rs+0x331/0x6e0 [ 173.845576] 4*4096kB [ 173.847547] addrconf_rs_timer+0x314/0x690 [ 173.851410] (M) [ 173.853820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.858034] = 24880kB [ 173.860009] call_timer_fn+0x272/0x920 [ 173.864213] Node 0 [ 173.866619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.870478] Normal: [ 173.872728] ? process_timeout+0x40/0x40 [ 173.876939] 719*4kB [ 173.879257] ? trace_hardirqs_off+0xb8/0x310 [ 173.883289] (ME) [ 173.885611] ? kasan_check_read+0x11/0x20 [ 173.889994] 385*8kB [ 173.892053] ? do_raw_spin_unlock+0xa7/0x2f0 [ 173.896176] (UME) [ 173.898499] ? trace_hardirqs_on+0x310/0x310 [ 173.902887] 182*16kB [ 173.905030] ? __run_timers+0x7da/0xc70 [ 173.909410] (ME) [ 173.911815] ? lock_downgrade+0x900/0x900 [ 173.915764] 99*32kB [ 173.917822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 173.921946] (UME) [ 173.924266] ? trace_hardirqs_on+0xbd/0x310 [ 173.929346] 27*64kB [ 173.931494] ? kasan_check_read+0x11/0x20 [ 173.935794] (UM) [ 173.938116] ? __run_timers+0x7da/0xc70 [ 173.942238] 0*128kB [ 173.944294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.948246] 0*256kB [ 173.950565] ? kasan_check_write+0x14/0x20 [ 173.955999] 0*512kB [ 173.958319] ? do_raw_spin_lock+0xc1/0x200 [ 173.962529] 0*1024kB [ 173.964859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.969075] 0*2048kB [ 173.971479] __run_timers+0x7e5/0xc70 [ 173.975686] 0*4096kB = 13764kB [ 173.978104] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 173.981886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 173.985074] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 173.990416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 173.999240] ? rcu_bh_qs+0xc0/0xc0 [ 174.004491] 148 total pagecache pages [ 174.013085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.016599] 0 pages in swap cache [ 174.020397] ? check_preemption_disabled+0x48/0x200 [ 174.025920] Swap cache stats: add 0, delete 0, find 0/0 [ 174.029372] ? rcu_nmi_exit+0xdb/0x280 [ 174.034369] Free swap = 0kB [ 174.039726] ? ret_from_intr+0xb/0x1e [ 174.043594] Total swap = 0kB [ 174.046609] ? retint_kernel+0x2d/0x2d [ 174.050389] 1965979 pages RAM [ 174.053405] ? trace_hardirqs_on_caller+0xc0/0x310 [ 174.057271] 0 pages HighMem/MovableOnly [ 174.060376] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.065274] 342307 pages reserved [ 174.069240] ? trace_hardirqs_off+0x310/0x310 [ 174.073970] 0 pages cma reserved [ 174.077428] ? check_preemption_disabled+0x48/0x200 [ 174.081947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 174.085258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.090317] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 174.096737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.102249] ksoftirqd/0 cpuset= [ 174.112554] ? retint_kernel+0x2d/0x2d [ 174.117287] / [ 174.120565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.124433] mems_allowed=0 [ 174.126146] ? check_preemption_disabled+0x48/0x200 [ 174.139575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.145121] run_timer_softirq+0x52/0xb0 [ 174.149186] ? __this_cpu_preempt_check+0x1c/0x1f [ 174.154033] __do_softirq+0x30b/0xad8 [ 174.157839] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 174.162960] ? pvclock_read_flags+0x160/0x160 [ 174.167456] ? lapic_next_event+0x5a/0x90 [ 174.171602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.177137] ? clockevents_program_event+0x140/0x370 [ 174.182240] ? kvm_clock_read+0x18/0x30 [ 174.186213] ? kvm_sched_clock_read+0x9/0x20 [ 174.190624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.196160] ? check_preemption_disabled+0x48/0x200 [ 174.201183] irq_exit+0x17f/0x1c0 [ 174.204638] smp_apic_timer_interrupt+0x1cb/0x760 [ 174.209482] ? smp_reschedule_interrupt+0x109/0x650 [ 174.214496] ? smp_call_function_single_interrupt+0x650/0x650 [ 174.220379] ? interrupt_entry+0xb5/0xf0 [ 174.224441] ? trace_hardirqs_off_caller+0xbb/0x310 [ 174.229494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 174.234513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.239352] ? trace_hardirqs_on_caller+0x310/0x310 [ 174.244376] ? trace_hardirqs_on_caller+0x310/0x310 [ 174.249392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.254928] ? check_preemption_disabled+0x48/0x200 [ 174.259940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.265484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.270345] apic_timer_interrupt+0xf/0x20 [ 174.274579] [ 174.276817] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 174.281768] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 174.300666] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 174.308379] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 174.315643] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 174.322910] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 174.330175] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 174.337448] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 174.344742] ? trace_hardirqs_on+0xb4/0x310 [ 174.349085] skb_clone+0x1bb/0x500 [ 174.352632] ? finish_task_switch+0x2f5/0x900 [ 174.357138] ? skb_split+0x11e0/0x11e0 [ 174.361033] ? preempt_notifier_register+0x200/0x200 [ 174.366139] ? __switch_to_asm+0x34/0x70 [ 174.370205] ? __switch_to_asm+0x34/0x70 [ 174.374265] ? __switch_to_asm+0x40/0x70 [ 174.378329] ? __switch_to_asm+0x34/0x70 [ 174.382398] ? __switch_to_asm+0x40/0x70 [ 174.386462] ? __switch_to_asm+0x34/0x70 [ 174.390522] ? __switch_to_asm+0x40/0x70 [ 174.394583] ? __switch_to_asm+0x34/0x70 [ 174.398647] ? __switch_to_asm+0x34/0x70 [ 174.402719] ? __switch_to_asm+0x40/0x70 [ 174.406780] ? __switch_to_asm+0x34/0x70 [ 174.410856] bpf_clone_redirect+0xb9/0x490 [ 174.415100] ? __schedule+0x874/0x1ed0 [ 174.418996] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 174.424019] ? __sched_text_start+0x8/0x8 [ 174.428169] ? retint_kernel+0x2d/0x2d [ 174.432061] ? retint_kernel+0x2d/0x2d [ 174.435954] ? trace_hardirqs_on_caller+0xc0/0x310 [ 174.440887] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.445649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.450405] ? trace_hardirqs_off+0x310/0x310 [ 174.454911] ? lock_acquire+0x1ed/0x520 [ 174.458886] ? bpf_test_run+0x32e/0x5a0 [ 174.462871] ? lock_release+0x970/0x970 [ 174.466862] ? preempt_schedule+0x4d/0x60 [ 174.471018] ? preempt_schedule_common+0x1f/0xd0 [ 174.475776] ? preempt_schedule+0x4d/0x60 [ 174.479931] ? ___preempt_schedule+0x16/0x18 [ 174.484350] ? bpf_test_run+0x1c0/0x5a0 [ 174.488339] ? netlink_diag_dump+0x2a0/0x2a0 [ 174.492757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 174.498298] ? bpf_test_init.isra.9+0x70/0x100 [ 174.502883] ? bpf_prog_test_run_skb+0x634/0xb40 [ 174.507652] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 174.512499] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 174.518035] ? fput+0x130/0x1a0 [ 174.521317] ? __bpf_prog_get+0x9b/0x290 [ 174.525387] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 174.530234] ? bpf_prog_test_run+0x130/0x1a0 [ 174.534644] ? __x64_sys_bpf+0x3d8/0x510 [ 174.538706] ? bpf_prog_get+0x20/0x20 [ 174.542519] ? do_syscall_64+0x1b9/0x820 [ 174.546580] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 174.551946] ? syscall_return_slowpath+0x5e0/0x5e0 [ 174.556885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.561733] ? trace_hardirqs_on_caller+0x310/0x310 [ 174.566755] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 174.571774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 174.576794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.581644] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.587024] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 174.587077] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 174.593785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.593789] Call Trace: [ 174.593811] dump_stack+0x1c4/0x2b4 [ 174.593831] ? dump_stack_print_info.cold.2+0x52/0x52 [ 174.600389] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 174.609681] warn_alloc.cold.119+0xb7/0x1bd [ 174.612244] syz-executor0 cpuset= [ 174.615884] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 174.621046] syz0 [ 174.631547] ? lock_downgrade+0x900/0x900 [ 174.635866] mems_allowed=0 [ 174.639318] ? trace_hardirqs_off+0xb8/0x310 [ 174.657551] ? trace_hardirqs_off+0xb8/0x310 [ 174.661976] __alloc_pages_slowpath+0x2667/0x2d80 [ 174.666837] ? warn_alloc+0x120/0x120 [ 174.670657] ? warn_alloc+0x120/0x120 [ 174.674462] ? warn_alloc+0x120/0x120 [ 174.678264] ? mark_held_locks+0x130/0x130 [ 174.682506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.688042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 174.693583] ? should_fail+0x22d/0xd01 [ 174.697475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.702575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 174.708110] ? should_fail+0x22d/0xd01 [ 174.712003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.717102] ? should_fail+0x22d/0xd01 [ 174.721081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.726193] ? mark_held_locks+0x130/0x130 [ 174.730434] ? mark_held_locks+0x130/0x130 [ 174.734668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.740210] ? trace_hardirqs_off+0xb8/0x310 [ 174.744620] ? kasan_check_read+0x11/0x20 [ 174.748765] ? do_raw_spin_unlock+0xa7/0x2f0 [ 174.753171] ? trace_hardirqs_on+0x310/0x310 [ 174.757580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.763112] ? wq_watchdog_touch+0x9c/0xfe [ 174.767344] ? io_serial_in+0x11/0x90 [ 174.771145] ? retint_kernel+0x2d/0x2d [ 174.775031] ? trace_hardirqs_on_caller+0xc0/0x310 [ 174.779963] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.784723] ? trace_hardirqs_off+0x310/0x310 [ 174.789213] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 174.794321] __alloc_pages_nodemask+0xa80/0xde0 [ 174.798994] ? should_fail+0x22d/0xd01 [ 174.802886] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 174.807920] ? ____cache_alloc_node+0x1c7/0x1e0 [ 174.812586] ? lock_downgrade+0x900/0x900 [ 174.816735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.822277] cache_grow_begin+0x91/0x8c0 [ 174.826344] ? do_raw_spin_unlock+0xa7/0x2f0 [ 174.830754] fallback_alloc+0x203/0x2e0 [ 174.834729] ____cache_alloc_node+0x1c7/0x1e0 [ 174.839225] kmem_cache_alloc_node+0xe3/0x730 [ 174.843718] ? ipv6_get_ifaddr+0x42e/0x620 [ 174.847959] __alloc_skb+0x119/0x770 [ 174.851672] ? skb_scrub_packet+0x490/0x490 [ 174.855991] ? lock_downgrade+0x900/0x900 [ 174.860149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.865687] ? refcount_sub_and_test_checked+0x203/0x310 [ 174.871140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 174.876599] ? addrconf_rs_timer+0x690/0x690 [ 174.881015] ndisc_alloc_skb+0x144/0x340 [ 174.885082] ndisc_send_rs+0x331/0x6e0 [ 174.888978] addrconf_rs_timer+0x314/0x690 [ 174.893211] ? lock_release+0x970/0x970 [ 174.897185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.901431] call_timer_fn+0x272/0x920 [ 174.905332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.909565] ? process_timeout+0x40/0x40 [ 174.913623] ? kasan_check_read+0x11/0x20 [ 174.917772] ? do_raw_spin_unlock+0xa7/0x2f0 [ 174.922177] ? trace_hardirqs_on+0x310/0x310 [ 174.926585] ? __run_timers+0x7da/0xc70 [ 174.930557] ? lock_downgrade+0x900/0x900 [ 174.934703] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 174.939806] ? trace_hardirqs_on+0xbd/0x310 [ 174.944126] ? kasan_check_read+0x11/0x20 [ 174.948272] ? __run_timers+0x7da/0xc70 [ 174.952248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 174.957701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.963246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.967480] __run_timers+0x7e5/0xc70 [ 174.971290] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 174.976651] ? lock_downgrade+0x900/0x900 [ 174.980796] ? finish_task_switch+0x1b5/0x900 [ 174.985293] ? trace_hardirqs_on+0xbd/0x310 [ 174.989613] ? kasan_check_read+0x11/0x20 [ 174.993758] ? finish_task_switch+0x1f5/0x900 [ 174.998255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 175.003704] ? compat_start_thread+0x80/0x80 [ 175.008122] ? pvclock_read_flags+0x160/0x160 [ 175.012614] ? __switch_to_asm+0x34/0x70 [ 175.016670] ? __switch_to_asm+0x34/0x70 [ 175.020731] ? __switch_to_asm+0x40/0x70 [ 175.024788] ? __switch_to_asm+0x40/0x70 [ 175.028864] ? __switch_to_asm+0x34/0x70 [ 175.032922] ? __switch_to_asm+0x40/0x70 [ 175.036992] ? trace_hardirqs_on+0xbd/0x310 [ 175.041311] ? kvm_sched_clock_read+0x9/0x20 [ 175.045718] ? run_ksoftirqd+0x94/0x100 [ 175.049695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.055232] ? check_preemption_disabled+0x48/0x200 [ 175.060247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.065786] run_timer_softirq+0x52/0xb0 [ 175.069865] ? __this_cpu_preempt_check+0x1c/0x1f [ 175.074711] __do_softirq+0x30b/0xad8 [ 175.078517] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 175.083621] ? schedule+0x108/0x460 [ 175.087250] ? trace_hardirqs_off+0xb8/0x310 [ 175.091655] ? smpboot_thread_fn+0x68b/0xa00 [ 175.096063] ? trace_hardirqs_on+0x310/0x310 [ 175.100468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.106010] ? check_preemption_disabled+0x48/0x200 [ 175.111024] ? takeover_tasklets+0xa90/0xa90 [ 175.115434] run_ksoftirqd+0x94/0x100 [ 175.119231] smpboot_thread_fn+0x68b/0xa00 [ 175.123638] ? sort_range+0x30/0x30 [ 175.127265] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 175.132366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.137902] ? __kthread_parkme+0xfb/0x1a0 [ 175.142136] kthread+0x35a/0x420 [ 175.145502] ? sort_range+0x30/0x30 [ 175.149124] ? kthread_bind+0x40/0x40 [ 175.152924] ret_from_fork+0x3a/0x50 [ 175.156640] warn_alloc_show_mem: 1 callbacks suppressed [ 175.156652] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 175.156654] Mem-Info: [ 175.156684] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 175.156684] active_file:16 inactive_file:13 isolated_file:0 [ 175.156684] unevictable:0 dirty:0 writeback:0 unstable:0 [ 175.156684] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 175.156684] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 175.156684] free:13630 free_pcp:242 free_cma:0 [ 175.162028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.169220] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 175.171621] Call Trace: [ 175.204574] Node 0 [ 175.213917] [ 175.241426] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 175.243992] dump_stack+0x1c4/0x2b4 [ 175.246197] lowmem_reserve[]: [ 175.248349] ? dump_stack_print_info.cold.2+0x52/0x52 [ 175.273820] 0 2819 [ 175.277468] warn_alloc.cold.119+0xb7/0x1bd [ 175.280543] 6323 [ 175.285732] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 175.287945] 6323 [ 175.292263] ? lock_downgrade+0x900/0x900 [ 175.299152] ? trace_hardirqs_off+0xb8/0x310 [ 175.301191] Node 0 [ 175.305339] ? trace_hardirqs_off+0xb8/0x310 [ 175.309746] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 175.311955] __alloc_pages_slowpath+0x2667/0x2d80 [ 175.316337] lowmem_reserve[]: [ 175.343330] ? warn_alloc+0x120/0x120 [ 175.348134] 0 0 [ 175.351249] ? trace_hardirqs_on+0x310/0x310 [ 175.355028] 3503 [ 175.357004] ? warn_alloc+0x120/0x120 [ 175.361388] 3503 [ 175.363447] ? warn_alloc+0x120/0x120 [ 175.367222] Node 0 [ 175.369286] ? ktime_get+0x2e1/0x440 [ 175.373089] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 175.375297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.378980] lowmem_reserve[]: [ 175.407519] ? check_preemption_disabled+0x48/0x200 [ 175.413035] 0 [ 175.416135] ? kasan_check_read+0x11/0x20 [ 175.421127] 0 [ 175.422931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.427053] 0 [ 175.428866] ? should_fail+0x22d/0xd01 [ 175.434405] 0 [ 175.436211] ? rcu_bh_qs+0xc0/0xc0 [ 175.441883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.445398] Node 0 [ 175.450509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.450518] DMA: [ 175.452752] ? should_fail+0x22d/0xd01 [ 175.458265] 1*4kB [ 175.460326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.464190] (U) [ 175.466342] ? should_fail+0x22d/0xd01 [ 175.471422] 0*8kB [ 175.473397] ? rcu_idle_enter+0x4b0/0x4b0 [ 175.477263] 0*16kB [ 175.479411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.483528] 1*32kB (U) [ 175.485770] ? mark_held_locks+0x130/0x130 [ 175.490863] 2*64kB [ 175.493443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.497650] (U) [ 175.499888] ? mark_held_locks+0x130/0x130 [ 175.505401] 1*128kB [ 175.507381] ? rcu_irq_exit+0xce/0x100 [ 175.511825] (U) [ 175.514160] ? irq_exit+0xbd/0x1c0 [ 175.518022] 1*256kB [ 175.519998] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 175.523509] (U) [ 175.525829] ? do_raw_spin_unlock+0xa7/0x2f0 [ 175.530828] 0*512kB [ 175.532812] ? smp_call_function_single_interrupt+0x650/0x650 [ 175.537197] 1*1024kB [ 175.539516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.545375] (U) [ 175.547785] ? ret_from_intr+0xb/0x1e [ 175.553301] 1*2048kB [ 175.555271] ? retint_kernel+0x2d/0x2d [ 175.559050] (M) [ 175.561458] ? trace_hardirqs_on_caller+0xc0/0x310 [ 175.565319] 3*4096kB [ 175.567295] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.572197] (M) [ 175.574604] ? trace_hardirqs_off+0x310/0x310 [ 175.579333] = 15908kB [ 175.581307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 175.585775] Node 0 [ 175.588190] __alloc_pages_nodemask+0xa80/0xde0 [ 175.593264] DMA32: [ 175.595499] ? should_fail+0x22d/0xd01 [ 175.600141] 4*4kB [ 175.602380] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 175.606246] (M) [ 175.608403] ? ____cache_alloc_node+0x1c7/0x1e0 [ 175.613385] 0*8kB [ 175.615365] ? lock_downgrade+0x900/0x900 [ 175.620002] 2*16kB [ 175.622149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.626268] (M) [ 175.628500] cache_grow_begin+0x91/0x8c0 [ 175.634016] 2*32kB [ 175.635988] ? do_raw_spin_unlock+0xa7/0x2f0 [ 175.640021] (M) [ 175.642256] fallback_alloc+0x203/0x2e0 [ 175.646638] 5*64kB [ 175.648608] ____cache_alloc_node+0x1c7/0x1e0 [ 175.652557] (UM) [ 175.654792] kmem_cache_alloc_node+0xe3/0x730 [ 175.659263] 3*128kB [ 175.661325] ? ipv6_get_ifaddr+0x42e/0x620 [ 175.665790] (M) [ 175.668110] __alloc_skb+0x119/0x770 [ 175.672318] 4*256kB [ 175.674291] ? skb_scrub_packet+0x490/0x490 [ 175.677983] (UM) [ 175.680305] ? lock_downgrade+0x900/0x900 [ 175.684603] 3*512kB [ 175.686663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.690788] (M) [ 175.693111] ? refcount_sub_and_test_checked+0x203/0x310 [ 175.698624] 3*1024kB [ 175.700595] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 175.706022] (UM) [ 175.708434] ? addrconf_rs_timer+0x690/0x690 [ 175.713865] 1*2048kB [ 175.715934] ndisc_alloc_skb+0x144/0x340 [ 175.720313] (M) [ 175.722721] ndisc_send_rs+0x331/0x6e0 [ 175.726756] 4*4096kB [ 175.728727] addrconf_rs_timer+0x314/0x690 [ 175.732589] (M) [ 175.734999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.739208] = 24880kB [ 175.741184] call_timer_fn+0x272/0x920 [ 175.745389] Node 0 [ 175.747792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.751652] Normal: [ 175.753889] ? process_timeout+0x40/0x40 [ 175.758101] 719*4kB [ 175.760425] ? trace_hardirqs_off+0xb8/0x310 [ 175.764459] (ME) [ 175.766781] ? kasan_check_read+0x11/0x20 [ 175.771172] 385*8kB [ 175.773231] ? do_raw_spin_unlock+0xa7/0x2f0 [ 175.777351] (UME) [ 175.779692] ? trace_hardirqs_on+0x310/0x310 [ 175.784081] 182*16kB [ 175.786228] ? __run_timers+0x7da/0xc70 [ 175.790627] (ME) [ 175.793035] ? lock_downgrade+0x900/0x900 [ 175.796985] 99*32kB [ 175.799047] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 175.803166] (UME) [ 175.805490] ? trace_hardirqs_on+0xbd/0x310 [ 175.810567] 27*64kB [ 175.812709] ? kasan_check_read+0x11/0x20 [ 175.817004] (UM) [ 175.819330] ? __run_timers+0x7da/0xc70 [ 175.823452] 0*128kB [ 175.825513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 175.829459] 0*256kB 0*512kB 0*1024kB [ 175.831794] ? kasan_check_write+0x14/0x20 [ 175.837225] 0*2048kB [ 175.841040] ? do_raw_spin_lock+0xc1/0x200 [ 175.845273] 0*4096kB [ 175.847687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.851897] = 13764kB [ 175.854311] __run_timers+0x7e5/0xc70 [ 175.858523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 175.860941] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 175.864713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 175.873551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 175.878894] 148 total pagecache pages [ 175.887477] ? rcu_bh_qs+0xc0/0xc0 [ 175.892743] 0 pages in swap cache [ 175.896545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.900064] Swap cache stats: add 0, delete 0, find 0/0 [ 175.903521] ? check_preemption_disabled+0x48/0x200 [ 175.909035] Free swap = 0kB [ 175.914406] ? rcu_nmi_exit+0xdb/0x280 [ 175.919399] Total swap = 0kB [ 175.922418] ? ret_from_intr+0xb/0x1e [ 175.922434] ? retint_kernel+0x2d/0x2d [ 175.926306] 1965979 pages RAM [ 175.929331] ? trace_hardirqs_on_caller+0xc0/0x310 [ 175.933104] 0 pages HighMem/MovableOnly [ 175.936994] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.940077] 342307 pages reserved [ 175.945010] ? trace_hardirqs_off+0x310/0x310 [ 175.948961] 0 pages cma reserved [ 175.953811] ? check_preemption_disabled+0x48/0x200 [ 175.957292] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 175.961730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.961750] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.961768] ? retint_kernel+0x2d/0x2d [ 175.965174] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 175.970147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.976621] ksoftirqd/0 cpuset= [ 175.982169] ? check_preemption_disabled+0x48/0x200 [ 175.986900] / [ 175.990799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.001096] mems_allowed=0 [ 176.006644] run_timer_softirq+0x52/0xb0 [ 176.029106] ? __this_cpu_preempt_check+0x1c/0x1f [ 176.033965] __do_softirq+0x30b/0xad8 [ 176.037796] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 176.042921] ? pvclock_read_flags+0x160/0x160 [ 176.047429] ? lapic_next_event+0x5a/0x90 [ 176.051588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.057140] ? clockevents_program_event+0x140/0x370 [ 176.062257] ? kvm_clock_read+0x18/0x30 [ 176.066247] ? kvm_sched_clock_read+0x9/0x20 [ 176.070664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.076261] ? check_preemption_disabled+0x48/0x200 [ 176.081300] irq_exit+0x17f/0x1c0 [ 176.084763] smp_apic_timer_interrupt+0x1cb/0x760 [ 176.089617] ? smp_reschedule_interrupt+0x109/0x650 [ 176.094674] ? smp_call_function_single_interrupt+0x650/0x650 [ 176.100571] ? interrupt_entry+0xb5/0xf0 [ 176.104643] ? trace_hardirqs_off_caller+0xbb/0x310 [ 176.109665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 176.114711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.119569] ? trace_hardirqs_on_caller+0x310/0x310 [ 176.124591] ? trace_hardirqs_on_caller+0x310/0x310 [ 176.129617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.135171] ? check_preemption_disabled+0x48/0x200 [ 176.140210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.145759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.150613] apic_timer_interrupt+0xf/0x20 [ 176.154853] [ 176.157103] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 176.162036] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 176.180940] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 176.188655] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 176.195932] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 176.203210] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 176.210484] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 176.217760] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 176.225051] ? trace_hardirqs_on+0xb4/0x310 [ 176.229393] skb_clone+0x1bb/0x500 [ 176.232938] ? finish_task_switch+0x2f5/0x900 [ 176.237431] ? skb_split+0x11e0/0x11e0 [ 176.241320] ? preempt_notifier_register+0x200/0x200 [ 176.246424] ? __switch_to_asm+0x34/0x70 [ 176.250486] ? __switch_to_asm+0x34/0x70 [ 176.254548] ? __switch_to_asm+0x40/0x70 [ 176.258613] ? __switch_to_asm+0x34/0x70 [ 176.262673] ? __switch_to_asm+0x40/0x70 [ 176.266733] ? __switch_to_asm+0x34/0x70 [ 176.270793] ? __switch_to_asm+0x40/0x70 [ 176.274866] ? __switch_to_asm+0x34/0x70 [ 176.278934] ? __switch_to_asm+0x34/0x70 [ 176.282992] ? __switch_to_asm+0x40/0x70 [ 176.287055] ? __switch_to_asm+0x34/0x70 [ 176.291121] bpf_clone_redirect+0xb9/0x490 [ 176.295364] ? __schedule+0x874/0x1ed0 [ 176.299258] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 176.304276] ? __sched_text_start+0x8/0x8 [ 176.308424] ? retint_kernel+0x2d/0x2d [ 176.312317] ? retint_kernel+0x2d/0x2d [ 176.316223] ? trace_hardirqs_on_caller+0xc0/0x310 [ 176.321163] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.325926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.330683] ? trace_hardirqs_off+0x310/0x310 [ 176.335189] ? lock_acquire+0x1ed/0x520 [ 176.339169] ? bpf_test_run+0x32e/0x5a0 [ 176.343152] ? lock_release+0x970/0x970 [ 176.347131] ? preempt_schedule+0x4d/0x60 [ 176.351284] ? preempt_schedule_common+0x1f/0xd0 [ 176.356047] ? preempt_schedule+0x4d/0x60 [ 176.360197] ? ___preempt_schedule+0x16/0x18 [ 176.364620] ? bpf_test_run+0x1c0/0x5a0 [ 176.368614] ? netlink_diag_dump+0x2a0/0x2a0 [ 176.373034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.378609] ? bpf_test_init.isra.9+0x70/0x100 [ 176.383201] ? bpf_prog_test_run_skb+0x634/0xb40 [ 176.387979] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 176.392833] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 176.398396] ? fput+0x130/0x1a0 [ 176.401682] ? __bpf_prog_get+0x9b/0x290 [ 176.405747] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 176.410594] ? bpf_prog_test_run+0x130/0x1a0 [ 176.415026] ? __x64_sys_bpf+0x3d8/0x510 [ 176.419092] ? bpf_prog_get+0x20/0x20 [ 176.422911] ? do_syscall_64+0x1b9/0x820 [ 176.426977] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 176.432350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 176.437291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.442142] ? trace_hardirqs_on_caller+0x310/0x310 [ 176.447166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 176.452194] ? prepare_exit_to_usermode+0x291/0x3b0 [ 176.457215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.462065] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.467441] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 176.467492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 176.474203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.474208] Call Trace: [ 176.474231] dump_stack+0x1c4/0x2b4 [ 176.474247] ? dump_stack_print_info.cold.2+0x52/0x52 [ 176.474267] warn_alloc.cold.119+0xb7/0x1bd [ 176.480830] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 176.490125] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 176.492696] syz-executor0 cpuset= [ 176.496333] ? lock_downgrade+0x900/0x900 [ 176.501506] syz0 [ 176.505849] ? trace_hardirqs_off+0xb8/0x310 [ 176.516316] mems_allowed=0 [ 176.521159] ? trace_hardirqs_off+0xb8/0x310 [ 176.542401] __alloc_pages_slowpath+0x2667/0x2d80 [ 176.547298] ? warn_alloc+0x120/0x120 [ 176.551106] ? warn_alloc+0x120/0x120 [ 176.554917] ? warn_alloc+0x120/0x120 [ 176.558727] ? mark_held_locks+0x130/0x130 [ 176.562971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.568509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.574058] ? should_fail+0x22d/0xd01 [ 176.577957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 176.583065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.588606] ? should_fail+0x22d/0xd01 [ 176.592500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 176.597607] ? should_fail+0x22d/0xd01 [ 176.601505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 176.606620] ? mark_held_locks+0x130/0x130 [ 176.610883] ? mark_held_locks+0x130/0x130 [ 176.615127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.620678] ? trace_hardirqs_off+0xb8/0x310 [ 176.625098] ? kasan_check_read+0x11/0x20 [ 176.629251] ? do_raw_spin_unlock+0xa7/0x2f0 [ 176.633659] ? trace_hardirqs_on+0x310/0x310 [ 176.638068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.643601] ? wq_watchdog_touch+0x9c/0xfe [ 176.647837] ? io_serial_in+0x11/0x90 [ 176.651657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.657201] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 176.662311] __alloc_pages_nodemask+0xa80/0xde0 [ 176.666979] ? should_fail+0x22d/0xd01 [ 176.670882] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 176.675918] ? ____cache_alloc_node+0x1c7/0x1e0 [ 176.680589] ? lock_downgrade+0x900/0x900 [ 176.684744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.690284] cache_grow_begin+0x91/0x8c0 [ 176.694458] ? do_raw_spin_unlock+0xa7/0x2f0 [ 176.698886] fallback_alloc+0x203/0x2e0 [ 176.702880] ____cache_alloc_node+0x1c7/0x1e0 [ 176.707387] kmem_cache_alloc_node+0xe3/0x730 [ 176.711887] ? ipv6_get_ifaddr+0x42e/0x620 [ 176.716125] __alloc_skb+0x119/0x770 [ 176.719860] ? skb_scrub_packet+0x490/0x490 [ 176.724186] ? lock_downgrade+0x900/0x900 [ 176.728349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.733894] ? refcount_sub_and_test_checked+0x203/0x310 [ 176.739349] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 176.744802] ? addrconf_rs_timer+0x690/0x690 [ 176.749216] ndisc_alloc_skb+0x144/0x340 [ 176.753283] ndisc_send_rs+0x331/0x6e0 [ 176.757171] addrconf_rs_timer+0x314/0x690 [ 176.761407] ? lock_release+0x970/0x970 [ 176.765387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.769638] call_timer_fn+0x272/0x920 [ 176.773528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.777768] ? process_timeout+0x40/0x40 [ 176.781823] ? kasan_check_read+0x11/0x20 [ 176.785985] ? do_raw_spin_unlock+0xa7/0x2f0 [ 176.790394] ? trace_hardirqs_on+0x310/0x310 [ 176.794803] ? __run_timers+0x7da/0xc70 [ 176.798776] ? lock_downgrade+0x900/0x900 [ 176.802926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 176.808034] ? trace_hardirqs_on+0xbd/0x310 [ 176.812362] ? kasan_check_read+0x11/0x20 [ 176.816508] ? __run_timers+0x7da/0xc70 [ 176.820487] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 176.825942] ? kasan_check_write+0x14/0x20 [ 176.830180] ? do_raw_spin_lock+0xc1/0x200 [ 176.834420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.838656] __run_timers+0x7e5/0xc70 [ 176.842465] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 176.847833] ? lock_downgrade+0x900/0x900 [ 176.851991] ? finish_task_switch+0x1b5/0x900 [ 176.856486] ? trace_hardirqs_on+0xbd/0x310 [ 176.860801] ? kasan_check_read+0x11/0x20 [ 176.864950] ? finish_task_switch+0x1f5/0x900 [ 176.869447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 176.874896] ? compat_start_thread+0x80/0x80 [ 176.879315] ? pvclock_read_flags+0x160/0x160 [ 176.883805] ? __switch_to_asm+0x34/0x70 [ 176.887872] ? __switch_to_asm+0x34/0x70 [ 176.891951] ? __switch_to_asm+0x40/0x70 [ 176.896018] ? __switch_to_asm+0x40/0x70 [ 176.900074] ? __switch_to_asm+0x34/0x70 [ 176.904132] ? __switch_to_asm+0x40/0x70 [ 176.908196] ? trace_hardirqs_on+0xbd/0x310 [ 176.912518] ? kvm_sched_clock_read+0x9/0x20 [ 176.917119] ? run_ksoftirqd+0x94/0x100 [ 176.921097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.926649] ? check_preemption_disabled+0x48/0x200 [ 176.931668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.937226] run_timer_softirq+0x52/0xb0 [ 176.941288] ? __this_cpu_preempt_check+0x1c/0x1f [ 176.946129] __do_softirq+0x30b/0xad8 [ 176.949938] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 176.955058] ? schedule+0x108/0x460 [ 176.958689] ? trace_hardirqs_off+0xb8/0x310 [ 176.963095] ? smpboot_thread_fn+0x68b/0xa00 [ 176.967503] ? trace_hardirqs_on+0x310/0x310 [ 176.971927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.977467] ? check_preemption_disabled+0x48/0x200 [ 176.982502] ? takeover_tasklets+0xa90/0xa90 [ 176.986916] run_ksoftirqd+0x94/0x100 [ 176.990721] smpboot_thread_fn+0x68b/0xa00 [ 176.994960] ? sort_range+0x30/0x30 [ 176.998591] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 177.003692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 177.009227] ? __kthread_parkme+0xfb/0x1a0 [ 177.013464] kthread+0x35a/0x420 [ 177.016825] ? sort_range+0x30/0x30 [ 177.020475] ? kthread_bind+0x40/0x40 [ 177.024278] ret_from_fork+0x3a/0x50 [ 177.027996] warn_alloc_show_mem: 1 callbacks suppressed [ 177.028008] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 177.028010] Mem-Info: [ 177.028041] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 177.028041] active_file:16 inactive_file:13 isolated_file:0 [ 177.028041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 177.028041] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 177.028041] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 177.028041] free:13630 free_pcp:242 free_cma:0 [ 177.033386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.040581] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 177.042980] Call Trace: [ 177.075863] Node 0 [ 177.085216] [ 177.112723] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 177.115289] dump_stack+0x1c4/0x2b4 [ 177.117505] lowmem_reserve[]: [ 177.119655] ? dump_stack_print_info.cold.2+0x52/0x52 [ 177.145134] 0 [ 177.148766] warn_alloc.cold.119+0xb7/0x1bd [ 177.151848] 2819 [ 177.157062] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 177.158852] 6323 [ 177.163169] ? lock_downgrade+0x900/0x900 [ 177.165205] 6323 [ 177.170046] ? trace_hardirqs_off+0xb8/0x310 [ 177.176256] ? trace_hardirqs_off+0xb8/0x310 [ 177.178296] Node 0 [ 177.182702] __alloc_pages_slowpath+0x2667/0x2d80 [ 177.187114] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 177.189345] ? warn_alloc+0x120/0x120 [ 177.194137] lowmem_reserve[]: [ 177.221134] ? trace_hardirqs_on+0x310/0x310 [ 177.224910] 0 [ 177.228025] ? warn_alloc+0x120/0x120 [ 177.232405] 0 [ 177.234206] ? warn_alloc+0x120/0x120 [ 177.237985] 3503 [ 177.239782] ? ktime_get+0x2e1/0x440 [ 177.243549] 3503 [ 177.245629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.249315] Node 0 [ 177.251383] ? check_preemption_disabled+0x48/0x200 [ 177.256930] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 177.259141] ? kasan_check_read+0x11/0x20 [ 177.264134] lowmem_reserve[]: [ 177.292421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 177.296546] 0 [ 177.299645] ? should_fail+0x22d/0xd01 [ 177.305162] 0 [ 177.306963] ? rcu_bh_qs+0xc0/0xc0 [ 177.310823] 0 [ 177.312634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.316149] 0 [ 177.317954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 177.324831] ? should_fail+0x22d/0xd01 [ 177.330359] Node 0 DMA: 1*4kB [ 177.334257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.334273] ? should_fail+0x22d/0xd01 [ 177.337443] (U) [ 177.342540] ? rcu_idle_enter+0x4b0/0x4b0 [ 177.346402] 0*8kB [ 177.348383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.352506] 0*16kB [ 177.354656] ? mark_held_locks+0x130/0x130 [ 177.359735] 1*32kB [ 177.361971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.366175] (U) [ 177.368412] ? mark_held_locks+0x130/0x130 [ 177.373923] 2*64kB [ 177.375895] ? rcu_irq_exit+0xce/0x100 [ 177.380105] (U) [ 177.382339] ? irq_exit+0xbd/0x1c0 [ 177.386202] 1*128kB [ 177.388174] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 177.391685] (U) [ 177.394007] ? do_raw_spin_unlock+0xa7/0x2f0 [ 177.398997] 1*256kB [ 177.400969] ? smp_call_function_single_interrupt+0x650/0x650 [ 177.405805] (U) 0*512kB [ 177.408149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.414010] 1*1024kB [ 177.416680] ? ret_from_intr+0xb/0x1e [ 177.422192] (U) [ 177.424597] ? retint_kernel+0x2d/0x2d [ 177.428381] 1*2048kB [ 177.430352] ? trace_hardirqs_on_caller+0xc0/0x310 [ 177.434216] (M) [ 177.436622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.441523] 3*4096kB [ 177.443493] ? trace_hardirqs_off+0x310/0x310 [ 177.448223] (M) [ 177.450631] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 177.455101] = 15908kB [ 177.457078] __alloc_pages_nodemask+0xa80/0xde0 [ 177.462151] Node 0 [ 177.464557] ? should_fail+0x22d/0xd01 [ 177.469219] DMA32: [ 177.471461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 177.475324] 4*4kB [ 177.477575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 177.482555] (M) [ 177.484706] ? lock_downgrade+0x900/0x900 [ 177.489348] 0*8kB [ 177.491327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.495447] 2*16kB [ 177.497607] cache_grow_begin+0x91/0x8c0 [ 177.503117] (M) [ 177.505376] ? do_raw_spin_unlock+0xa7/0x2f0 [ 177.509615] 2*32kB (M) [ 177.511612] fallback_alloc+0x203/0x2e0 [ 177.515997] 5*64kB [ 177.518578] ____cache_alloc_node+0x1c7/0x1e0 [ 177.522525] (UM) [ 177.524759] kmem_cache_alloc_node+0xe3/0x730 [ 177.529230] 3*128kB [ 177.531288] ? ipv6_get_ifaddr+0x42e/0x620 [ 177.535754] (M) [ 177.538073] __alloc_skb+0x119/0x770 [ 177.542284] 4*256kB [ 177.544255] ? skb_scrub_packet+0x490/0x490 [ 177.547944] (UM) [ 177.550267] ? lock_downgrade+0x900/0x900 [ 177.554560] 3*512kB [ 177.556619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.560738] (M) [ 177.563083] ? refcount_sub_and_test_checked+0x203/0x310 [ 177.568602] 3*1024kB [ 177.570575] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 177.575996] (UM) [ 177.578409] ? addrconf_rs_timer+0x690/0x690 [ 177.583835] 1*2048kB [ 177.585912] ndisc_alloc_skb+0x144/0x340 [ 177.590290] (M) [ 177.592701] ndisc_send_rs+0x331/0x6e0 [ 177.596739] 4*4096kB [ 177.598713] addrconf_rs_timer+0x314/0x690 [ 177.602588] (M) [ 177.604994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.609201] = 24880kB [ 177.611173] call_timer_fn+0x272/0x920 [ 177.615378] Node 0 [ 177.617783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.621638] Normal: 719*4kB [ 177.623882] ? process_timeout+0x40/0x40 [ 177.623900] ? trace_hardirqs_off+0xb8/0x310 [ 177.628114] (ME) [ 177.631126] ? kasan_check_read+0x11/0x20 [ 177.635165] 385*8kB [ 177.639570] ? do_raw_spin_unlock+0xa7/0x2f0 [ 177.641605] (UME) [ 177.645749] ? trace_hardirqs_on+0x310/0x310 [ 177.648050] 182*16kB [ 177.652454] ? __run_timers+0x7da/0xc70 [ 177.654585] (ME) [ 177.658991] ? lock_downgrade+0x900/0x900 [ 177.661377] 99*32kB [ 177.665347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 177.667386] (UME) [ 177.671527] ? trace_hardirqs_on+0xbd/0x310 [ 177.673863] 27*64kB [ 177.678959] ? kasan_check_read+0x11/0x20 [ 177.681087] (UM) [ 177.685406] ? __run_timers+0x7da/0xc70 [ 177.687708] 0*128kB [ 177.691863] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 177.693907] 0*256kB [ 177.697878] ? kasan_check_write+0x14/0x20 [ 177.700181] 0*512kB [ 177.705628] ? do_raw_spin_lock+0xc1/0x200 [ 177.707933] 0*1024kB [ 177.712188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.714485] 0*2048kB [ 177.718718] __run_timers+0x7e5/0xc70 [ 177.721104] 0*4096kB [ 177.725342] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 177.727723] = 13764kB [ 177.731520] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 177.733914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 177.739266] ? rcu_bh_qs+0xc0/0xc0 [ 177.741658] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 177.746926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.755738] 148 total pagecache pages [ 177.759288] ? check_preemption_disabled+0x48/0x200 [ 177.767834] 0 pages in swap cache [ 177.773384] ? rcu_nmi_exit+0xdb/0x280 [ 177.777162] Swap cache stats: add 0, delete 0, find 0/0 [ 177.782168] ? ret_from_intr+0xb/0x1e [ 177.785600] Free swap = 0kB [ 177.789481] ? retint_kernel+0x2d/0x2d [ 177.794823] Total swap = 0kB [ 177.798629] ? trace_hardirqs_on_caller+0xc0/0x310 [ 177.801621] 1965979 pages RAM [ 177.805508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.808500] 0 pages HighMem/MovableOnly [ 177.813424] ? trace_hardirqs_off+0x310/0x310 [ 177.816507] 342307 pages reserved [ 177.821263] ? check_preemption_disabled+0x48/0x200 [ 177.825214] 0 pages cma reserved [ 177.829713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.833190] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 177.838150] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.841622] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 177.847034] ? retint_kernel+0x2d/0x2d [ 177.853505] ksoftirqd/0 cpuset= [ 177.858265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.868550] / [ 177.872435] ? check_preemption_disabled+0x48/0x200 [ 177.875692] mems_allowed=0 [ 177.881220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.896367] run_timer_softirq+0x52/0xb0 [ 177.900433] ? __this_cpu_preempt_check+0x1c/0x1f [ 177.905280] __do_softirq+0x30b/0xad8 [ 177.909084] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 177.914191] ? pvclock_read_flags+0x160/0x160 [ 177.918684] ? lapic_next_event+0x5a/0x90 [ 177.922830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.928378] ? clockevents_program_event+0x140/0x370 [ 177.933482] ? kvm_clock_read+0x18/0x30 [ 177.937452] ? kvm_sched_clock_read+0x9/0x20 [ 177.941869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.947408] ? check_preemption_disabled+0x48/0x200 [ 177.952434] irq_exit+0x17f/0x1c0 [ 177.955894] smp_apic_timer_interrupt+0x1cb/0x760 [ 177.960735] ? smp_reschedule_interrupt+0x109/0x650 [ 177.965753] ? smp_call_function_single_interrupt+0x650/0x650 [ 177.971639] ? interrupt_entry+0xb5/0xf0 [ 177.975706] ? trace_hardirqs_off_caller+0xbb/0x310 [ 177.980735] ? trace_hardirqs_off_caller+0xbb/0x310 [ 177.985791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.990647] ? trace_hardirqs_on_caller+0x310/0x310 [ 177.995664] ? trace_hardirqs_on_caller+0x310/0x310 [ 178.000688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.006236] ? check_preemption_disabled+0x48/0x200 [ 178.011259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.016809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.021696] apic_timer_interrupt+0xf/0x20 [ 178.025932] [ 178.028188] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 178.033127] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 178.052069] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 178.059892] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 178.067172] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 178.074460] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 178.081746] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 178.089032] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 178.096324] ? trace_hardirqs_on+0xb4/0x310 [ 178.100693] skb_clone+0x1bb/0x500 [ 178.104263] ? finish_task_switch+0x2f5/0x900 [ 178.108869] ? skb_split+0x11e0/0x11e0 [ 178.112773] ? preempt_notifier_register+0x200/0x200 [ 178.117888] ? __switch_to_asm+0x34/0x70 [ 178.121955] ? __switch_to_asm+0x34/0x70 [ 178.126029] ? __switch_to_asm+0x40/0x70 [ 178.130091] ? __switch_to_asm+0x34/0x70 [ 178.134152] ? __switch_to_asm+0x40/0x70 [ 178.138471] ? __switch_to_asm+0x34/0x70 [ 178.142528] ? __switch_to_asm+0x40/0x70 [ 178.146586] ? __switch_to_asm+0x34/0x70 [ 178.150644] ? __switch_to_asm+0x34/0x70 [ 178.154705] ? __switch_to_asm+0x40/0x70 [ 178.158770] ? __switch_to_asm+0x34/0x70 [ 178.162834] bpf_clone_redirect+0xb9/0x490 [ 178.167084] ? __schedule+0x874/0x1ed0 [ 178.170974] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 178.175991] ? __sched_text_start+0x8/0x8 [ 178.180147] ? retint_kernel+0x2d/0x2d [ 178.184038] ? retint_kernel+0x2d/0x2d [ 178.187930] ? trace_hardirqs_on_caller+0xc0/0x310 [ 178.192870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 178.197629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 178.202395] ? trace_hardirqs_off+0x310/0x310 [ 178.206900] ? lock_acquire+0x1ed/0x520 [ 178.210877] ? bpf_test_run+0x32e/0x5a0 [ 178.214865] ? lock_release+0x970/0x970 [ 178.218848] ? preempt_schedule+0x4d/0x60 [ 178.223003] ? preempt_schedule_common+0x1f/0xd0 [ 178.227759] ? preempt_schedule+0x4d/0x60 [ 178.231910] ? ___preempt_schedule+0x16/0x18 [ 178.236324] ? bpf_test_run+0x1c0/0x5a0 [ 178.240310] ? netlink_diag_dump+0x2a0/0x2a0 [ 178.244726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.250268] ? bpf_test_init.isra.9+0x70/0x100 [ 178.254865] ? bpf_prog_test_run_skb+0x634/0xb40 [ 178.259629] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 178.264471] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 178.270005] ? fput+0x130/0x1a0 [ 178.273281] ? __bpf_prog_get+0x9b/0x290 [ 178.277433] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 178.282272] ? bpf_prog_test_run+0x130/0x1a0 [ 178.286681] ? __x64_sys_bpf+0x3d8/0x510 [ 178.290739] ? bpf_prog_get+0x20/0x20 [ 178.294550] ? do_syscall_64+0x1b9/0x820 [ 178.298615] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 178.304003] ? syscall_return_slowpath+0x5e0/0x5e0 [ 178.308946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.313793] ? trace_hardirqs_on_caller+0x310/0x310 [ 178.318821] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 178.323863] ? prepare_exit_to_usermode+0x291/0x3b0 [ 178.328889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.333736] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.339118] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 178.339171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 178.345882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.345891] Call Trace: [ 178.352466] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 178.361739] dump_stack+0x1c4/0x2b4 [ 178.364297] syz-executor0 cpuset= [ 178.374778] ? dump_stack_print_info.cold.2+0x52/0x52 [ 178.378379] syz0 [ 178.381835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 178.387006] mems_allowed=0 [ 178.388979] warn_alloc.cold.119+0xb7/0x1bd [ 178.401988] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 178.406832] ? lock_downgrade+0x900/0x900 [ 178.410996] ? trace_hardirqs_off+0xb8/0x310 [ 178.415404] ? trace_hardirqs_off+0xb8/0x310 [ 178.419820] __alloc_pages_slowpath+0x2667/0x2d80 [ 178.424695] ? warn_alloc+0x120/0x120 [ 178.428495] ? warn_alloc+0x120/0x120 [ 178.432298] ? warn_alloc+0x120/0x120 [ 178.436107] ? mark_held_locks+0x130/0x130 [ 178.440343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.445885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.451425] ? should_fail+0x22d/0xd01 [ 178.455312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.460412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.465945] ? should_fail+0x22d/0xd01 [ 178.469834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.474958] ? should_fail+0x22d/0xd01 [ 178.478860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.483970] ? mark_held_locks+0x130/0x130 [ 178.488207] ? mark_held_locks+0x130/0x130 [ 178.492443] ? try_to_wake_up+0x10a/0x12f0 [ 178.496677] ? lock_downgrade+0x900/0x900 [ 178.500819] ? lock_downgrade+0x900/0x900 [ 178.504993] ? trace_hardirqs_off+0xb8/0x310 [ 178.509400] ? kasan_check_read+0x11/0x20 [ 178.513545] ? do_raw_spin_unlock+0xa7/0x2f0 [ 178.517976] ? trace_hardirqs_on+0x310/0x310 [ 178.522382] ? rcu_read_lock+0x70/0x70 [ 178.526266] ? kthread_data+0x58/0xc0 [ 178.530074] __alloc_pages_nodemask+0xa80/0xde0 [ 178.534747] ? should_fail+0x22d/0xd01 [ 178.538637] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 178.543678] ? ____cache_alloc_node+0x1c7/0x1e0 [ 178.548368] ? lock_downgrade+0x900/0x900 [ 178.552523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.558060] cache_grow_begin+0x91/0x8c0 [ 178.562124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 178.566542] fallback_alloc+0x203/0x2e0 [ 178.570518] ____cache_alloc_node+0x1c7/0x1e0 [ 178.575013] kmem_cache_alloc_node+0xe3/0x730 [ 178.579511] ? ipv6_get_ifaddr+0x42e/0x620 [ 178.583752] __alloc_skb+0x119/0x770 [ 178.587465] ? skb_scrub_packet+0x490/0x490 [ 178.591783] ? lock_downgrade+0x900/0x900 [ 178.595935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.601471] ? refcount_sub_and_test_checked+0x203/0x310 [ 178.606921] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 178.612374] ? addrconf_rs_timer+0x690/0x690 [ 178.616795] ndisc_alloc_skb+0x144/0x340 [ 178.620886] ndisc_send_rs+0x331/0x6e0 [ 178.624776] addrconf_rs_timer+0x314/0x690 [ 178.629010] ? lock_release+0x970/0x970 [ 178.632987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.637231] call_timer_fn+0x272/0x920 [ 178.641115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.645350] ? process_timeout+0x40/0x40 [ 178.649406] ? kasan_check_read+0x11/0x20 [ 178.653553] ? do_raw_spin_unlock+0xa7/0x2f0 [ 178.657960] ? trace_hardirqs_on+0x310/0x310 [ 178.662370] ? __run_timers+0x7da/0xc70 [ 178.666346] ? lock_downgrade+0x900/0x900 [ 178.670499] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 178.675600] ? trace_hardirqs_on+0xbd/0x310 [ 178.679917] ? kasan_check_read+0x11/0x20 [ 178.684071] ? __run_timers+0x7da/0xc70 [ 178.688045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 178.693504] ? kasan_check_write+0x14/0x20 [ 178.697738] ? do_raw_spin_lock+0xc1/0x200 [ 178.701974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.706205] __run_timers+0x7e5/0xc70 [ 178.710009] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 178.715386] ? lock_downgrade+0x900/0x900 [ 178.719533] ? finish_task_switch+0x1b5/0x900 [ 178.724032] ? trace_hardirqs_on+0xbd/0x310 [ 178.728348] ? kasan_check_read+0x11/0x20 [ 178.732510] ? finish_task_switch+0x1f5/0x900 [ 178.737011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 178.742462] ? compat_start_thread+0x80/0x80 [ 178.746893] ? pvclock_read_flags+0x160/0x160 [ 178.751383] ? __switch_to_asm+0x34/0x70 [ 178.755438] ? __switch_to_asm+0x34/0x70 [ 178.759500] ? __switch_to_asm+0x40/0x70 [ 178.763556] ? __switch_to_asm+0x40/0x70 [ 178.767610] ? __switch_to_asm+0x34/0x70 [ 178.771664] ? __switch_to_asm+0x40/0x70 [ 178.775724] ? trace_hardirqs_on+0xbd/0x310 [ 178.780048] ? kvm_sched_clock_read+0x9/0x20 [ 178.784503] ? run_ksoftirqd+0x94/0x100 [ 178.788475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.794010] ? check_preemption_disabled+0x48/0x200 [ 178.799028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.804570] run_timer_softirq+0x52/0xb0 [ 178.808640] ? __this_cpu_preempt_check+0x1c/0x1f [ 178.813508] __do_softirq+0x30b/0xad8 [ 178.817314] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 178.822422] ? schedule+0x108/0x460 [ 178.826055] ? trace_hardirqs_off+0xb8/0x310 [ 178.830461] ? smpboot_thread_fn+0x68b/0xa00 [ 178.834875] ? trace_hardirqs_on+0x310/0x310 [ 178.839285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.844820] ? check_preemption_disabled+0x48/0x200 [ 178.849872] ? takeover_tasklets+0xa90/0xa90 [ 178.854287] run_ksoftirqd+0x94/0x100 [ 178.858092] smpboot_thread_fn+0x68b/0xa00 [ 178.862343] ? sort_range+0x30/0x30 [ 178.865974] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 178.871078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.876612] ? __kthread_parkme+0xfb/0x1a0 [ 178.880859] kthread+0x35a/0x420 [ 178.884222] ? sort_range+0x30/0x30 [ 178.887859] ? kthread_bind+0x40/0x40 [ 178.891659] ret_from_fork+0x3a/0x50 [ 178.895373] warn_alloc_show_mem: 1 callbacks suppressed [ 178.895385] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 178.895387] Mem-Info: [ 178.895417] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 178.895417] active_file:16 inactive_file:13 isolated_file:0 [ 178.895417] unevictable:0 dirty:0 writeback:0 unstable:0 [ 178.895417] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 178.895417] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 178.895417] free:13630 free_pcp:242 free_cma:0 [ 178.900761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.907955] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 178.910361] Call Trace: [ 178.943223] Node 0 [ 178.952569] [ 178.980092] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 178.982660] dump_stack+0x1c4/0x2b4 [ 178.984870] lowmem_reserve[]: [ 178.987020] ? dump_stack_print_info.cold.2+0x52/0x52 [ 179.012523] 0 [ 179.016168] warn_alloc.cold.119+0xb7/0x1bd [ 179.019245] 2819 [ 179.024431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 179.026220] 6323 [ 179.030538] ? lock_downgrade+0x900/0x900 [ 179.032574] 6323 [ 179.037412] ? trace_hardirqs_off+0xb8/0x310 [ 179.043593] ? trace_hardirqs_off+0xb8/0x310 [ 179.045632] Node 0 [ 179.050035] __alloc_pages_slowpath+0x2667/0x2d80 [ 179.054447] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 179.056667] ? warn_alloc+0x120/0x120 [ 179.061472] lowmem_reserve[]: [ 179.088451] ? trace_hardirqs_on+0x310/0x310 [ 179.092234] 0 0 [ 179.095342] ? warn_alloc+0x120/0x120 [ 179.099717] 3503 3503 [ 179.101700] ? warn_alloc+0x120/0x120 [ 179.107972] ? ktime_get+0x2e1/0x440 [ 179.111745] Node 0 [ 179.115451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.115482] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 179.115490] lowmem_reserve[]: [ 179.117724] ? check_preemption_disabled+0x48/0x200 [ 179.123234] 0 [ 179.151511] ? kasan_check_read+0x11/0x20 [ 179.154597] 0 [ 179.159612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 179.161389] 0 [ 179.165540] ? should_fail+0x22d/0xd01 [ 179.167320] 0 [ 179.172862] ? rcu_bh_qs+0xc0/0xc0 [ 179.178529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.180309] Node 0 [ 179.183860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 179.188938] DMA: [ 179.191171] ? should_fail+0x22d/0xd01 [ 179.196683] 1*4kB [ 179.198743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.202607] (U) [ 179.204752] ? should_fail+0x22d/0xd01 [ 179.209830] 0*8kB [ 179.211814] ? rcu_idle_enter+0x4b0/0x4b0 [ 179.215679] 0*16kB [ 179.217825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.221959] 1*32kB [ 179.224193] ? mark_held_locks+0x130/0x130 [ 179.229279] (U) [ 179.231521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.235829] 2*64kB (U) [ 179.237818] ? mark_held_locks+0x130/0x130 [ 179.243329] 1*128kB [ 179.245914] ? rcu_irq_exit+0xce/0x100 [ 179.250121] (U) [ 179.252449] ? irq_exit+0xbd/0x1c0 [ 179.256313] 1*256kB [ 179.258285] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 179.261801] (U) [ 179.264124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 179.269113] 0*512kB [ 179.271083] ? smp_call_function_single_interrupt+0x650/0x650 [ 179.275468] 1*1024kB [ 179.277791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.283648] (U) [ 179.286055] ? ret_from_intr+0xb/0x1e [ 179.291566] 1*2048kB [ 179.293536] ? retint_kernel+0x2d/0x2d [ 179.297310] (M) [ 179.299718] ? trace_hardirqs_on_caller+0xc0/0x310 [ 179.303580] 3*4096kB [ 179.305550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.310460] (M) [ 179.312872] ? trace_hardirqs_off+0x310/0x310 [ 179.312888] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 179.317631] = 15908kB [ 179.317640] Node 0 [ 179.319624] __alloc_pages_nodemask+0xa80/0xde0 [ 179.324090] DMA32: [ 179.329190] ? should_fail+0x22d/0xd01 [ 179.331580] 4*4kB [ 179.333817] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 179.338476] (M) [ 179.340718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 179.344576] 0*8kB [ 179.346726] ? lock_downgrade+0x900/0x900 [ 179.351720] 2*16kB [ 179.353693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.358336] (M) [ 179.360491] cache_grow_begin+0x91/0x8c0 [ 179.364613] 2*32kB [ 179.366857] ? do_raw_spin_unlock+0xa7/0x2f0 [ 179.372371] (M) [ 179.374343] fallback_alloc+0x203/0x2e0 [ 179.378378] 5*64kB [ 179.380610] ____cache_alloc_node+0x1c7/0x1e0 [ 179.385030] (UM) [ 179.387006] kmem_cache_alloc_node+0xe3/0x730 [ 179.390956] 3*128kB [ 179.393193] ? ipv6_get_ifaddr+0x42e/0x620 [ 179.397666] (M) [ 179.399724] __alloc_skb+0x119/0x770 [ 179.404685] 4*256kB (UM) [ 179.407017] ? skb_scrub_packet+0x490/0x490 [ 179.411227] 3*512kB [ 179.413201] ? lock_downgrade+0x900/0x900 [ 179.416888] (M) [ 179.419641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.423948] 3*1024kB [ 179.426270] ? refcount_sub_and_test_checked+0x203/0x310 [ 179.430394] (UM) [ 179.432372] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 179.437881] 1*2048kB [ 179.440287] ? addrconf_rs_timer+0x690/0x690 [ 179.445712] (M) [ 179.447774] ndisc_alloc_skb+0x144/0x340 [ 179.453195] 4*4096kB [ 179.455607] ndisc_send_rs+0x331/0x6e0 [ 179.459988] (M) [ 179.461968] addrconf_rs_timer+0x314/0x690 [ 179.466004] = 24880kB [ 179.468411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.472274] Node 0 [ 179.474250] call_timer_fn+0x272/0x920 [ 179.478454] Normal: 719*4kB [ 179.480887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.485096] (ME) [ 179.487331] ? process_timeout+0x40/0x40 [ 179.491192] 385*8kB [ 179.494205] ? trace_hardirqs_off+0xb8/0x310 [ 179.498416] (UME) [ 179.500474] ? kasan_check_read+0x11/0x20 [ 179.504514] 182*16kB [ 179.506835] ? do_raw_spin_unlock+0xa7/0x2f0 [ 179.511445] (ME) [ 179.513593] ? trace_hardirqs_on+0x310/0x310 [ 179.517718] 99*32kB [ 179.520125] ? __run_timers+0x7da/0xc70 [ 179.524505] (UME) [ 179.526567] ? lock_downgrade+0x900/0x900 [ 179.530953] 27*64kB [ 179.533273] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 179.537219] (UM) [ 179.539373] ? trace_hardirqs_on+0xbd/0x310 [ 179.543500] 0*128kB [ 179.545816] ? kasan_check_read+0x11/0x20 [ 179.550899] 0*256kB [ 179.552955] ? __run_timers+0x7da/0xc70 [ 179.557252] 0*512kB [ 179.559577] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 179.563698] 0*1024kB [ 179.566014] ? kasan_check_write+0x14/0x20 [ 179.569971] 0*2048kB [ 179.572290] ? do_raw_spin_lock+0xc1/0x200 [ 179.577731] 0*4096kB [ 179.580137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.584347] = 13764kB [ 179.586757] __run_timers+0x7e5/0xc70 [ 179.590972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 179.593379] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 179.597587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 179.600000] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 179.603779] 148 total pagecache pages [ 179.612609] ? rcu_bh_qs+0xc0/0xc0 [ 179.617948] 0 pages in swap cache [ 179.626519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.631784] Swap cache stats: add 0, delete 0, find 0/0 [ 179.631793] Free swap = 0kB [ 179.635592] ? check_preemption_disabled+0x48/0x200 [ 179.639107] Total swap = 0kB [ 179.642559] ? rcu_nmi_exit+0xdb/0x280 [ 179.648073] 1965979 pages RAM [ 179.653435] ? ret_from_intr+0xb/0x1e [ 179.656432] 0 pages HighMem/MovableOnly [ 179.661443] ? retint_kernel+0x2d/0x2d [ 179.664439] 342307 pages reserved [ 179.668320] ? trace_hardirqs_on_caller+0xc0/0x310 [ 179.671418] 0 pages cma reserved [ 179.671480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 179.675229] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.679252] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 179.683064] ? trace_hardirqs_off+0x310/0x310 [ 179.686493] ksoftirqd/0 cpuset= [ 179.691419] ? check_preemption_disabled+0x48/0x200 [ 179.694759] / [ 179.701249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.705981] mems_allowed=0 [ 179.716287] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.743919] ? retint_kernel+0x2d/0x2d [ 179.747809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.753371] ? check_preemption_disabled+0x48/0x200 [ 179.758387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.763932] run_timer_softirq+0x52/0xb0 [ 179.767997] ? __this_cpu_preempt_check+0x1c/0x1f [ 179.772947] __do_softirq+0x30b/0xad8 [ 179.776754] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 179.781868] ? pvclock_read_flags+0x160/0x160 [ 179.786366] ? lapic_next_event+0x5a/0x90 [ 179.790518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.796055] ? clockevents_program_event+0x140/0x370 [ 179.801163] ? kvm_clock_read+0x18/0x30 [ 179.805134] ? kvm_sched_clock_read+0x9/0x20 [ 179.809541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.815077] ? check_preemption_disabled+0x48/0x200 [ 179.820102] irq_exit+0x17f/0x1c0 [ 179.823559] smp_apic_timer_interrupt+0x1cb/0x760 [ 179.828403] ? smp_reschedule_interrupt+0x109/0x650 [ 179.833418] ? smp_call_function_single_interrupt+0x650/0x650 [ 179.839297] ? interrupt_entry+0xb5/0xf0 [ 179.843361] ? trace_hardirqs_off_caller+0xbb/0x310 [ 179.848381] ? trace_hardirqs_off_caller+0xbb/0x310 [ 179.853397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.858328] ? trace_hardirqs_on_caller+0x310/0x310 [ 179.863348] ? trace_hardirqs_on_caller+0x310/0x310 [ 179.868374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.873914] ? check_preemption_disabled+0x48/0x200 [ 179.878929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.884468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.889320] apic_timer_interrupt+0xf/0x20 [ 179.893551] [ 179.895789] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 179.900721] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 179.919619] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 179.927328] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 179.934596] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 179.941867] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 179.949134] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 179.956397] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 179.963678] ? trace_hardirqs_on+0xb4/0x310 [ 179.968012] skb_clone+0x1bb/0x500 [ 179.971553] ? finish_task_switch+0x2f5/0x900 [ 179.976046] ? skb_split+0x11e0/0x11e0 [ 179.979937] ? preempt_notifier_register+0x200/0x200 [ 179.985383] ? __switch_to_asm+0x34/0x70 [ 179.989444] ? __switch_to_asm+0x34/0x70 [ 179.993501] ? __switch_to_asm+0x40/0x70 [ 179.997558] ? __switch_to_asm+0x34/0x70 [ 180.001614] ? __switch_to_asm+0x40/0x70 [ 180.005670] ? __switch_to_asm+0x34/0x70 [ 180.009728] ? __switch_to_asm+0x40/0x70 [ 180.013787] ? __switch_to_asm+0x34/0x70 [ 180.017858] ? __switch_to_asm+0x34/0x70 [ 180.021928] ? __switch_to_asm+0x40/0x70 [ 180.025989] ? __switch_to_asm+0x34/0x70 [ 180.030062] bpf_clone_redirect+0xb9/0x490 [ 180.034299] ? __schedule+0x874/0x1ed0 [ 180.038191] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 180.043223] ? __sched_text_start+0x8/0x8 [ 180.047378] ? retint_kernel+0x2d/0x2d [ 180.051269] ? retint_kernel+0x2d/0x2d [ 180.055159] ? trace_hardirqs_on_caller+0xc0/0x310 [ 180.060087] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 180.064853] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 180.069613] ? trace_hardirqs_off+0x310/0x310 [ 180.074114] ? lock_acquire+0x1ed/0x520 [ 180.078086] ? bpf_test_run+0x32e/0x5a0 [ 180.082068] ? lock_release+0x970/0x970 [ 180.086044] ? preempt_schedule+0x4d/0x60 [ 180.090199] ? preempt_schedule_common+0x1f/0xd0 [ 180.094953] ? preempt_schedule+0x4d/0x60 [ 180.099109] ? ___preempt_schedule+0x16/0x18 [ 180.103521] ? bpf_test_run+0x1c0/0x5a0 [ 180.107501] ? netlink_diag_dump+0x2a0/0x2a0 [ 180.111908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.117445] ? bpf_test_init.isra.9+0x70/0x100 [ 180.122032] ? bpf_prog_test_run_skb+0x634/0xb40 [ 180.126793] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 180.131665] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 180.137203] ? fput+0x130/0x1a0 [ 180.140485] ? __bpf_prog_get+0x9b/0x290 [ 180.144558] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 180.149399] ? bpf_prog_test_run+0x130/0x1a0 [ 180.153813] ? __x64_sys_bpf+0x3d8/0x510 [ 180.157880] ? bpf_prog_get+0x20/0x20 [ 180.161695] ? do_syscall_64+0x1b9/0x820 [ 180.165759] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 180.171131] ? syscall_return_slowpath+0x5e0/0x5e0 [ 180.176074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.180926] ? trace_hardirqs_on_caller+0x310/0x310 [ 180.185948] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 180.190972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 180.195995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.200855] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.206234] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 180.206286] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 180.213016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.213021] Call Trace: [ 180.213044] dump_stack+0x1c4/0x2b4 [ 180.213060] ? dump_stack_print_info.cold.2+0x52/0x52 [ 180.213081] warn_alloc.cold.119+0xb7/0x1bd [ 180.219733] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 180.229021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 180.231591] syz-executor0 cpuset= [ 180.235216] ? lock_downgrade+0x900/0x900 [ 180.240383] syz0 [ 180.244700] ? trace_hardirqs_off+0xb8/0x310 [ 180.255173] mems_allowed=0 [ 180.260018] ? trace_hardirqs_off+0xb8/0x310 [ 180.281276] __alloc_pages_slowpath+0x2667/0x2d80 [ 180.286144] ? warn_alloc+0x120/0x120 [ 180.289948] ? warn_alloc+0x120/0x120 [ 180.293753] ? warn_alloc+0x120/0x120 [ 180.297554] ? mark_held_locks+0x130/0x130 [ 180.301795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.307336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.312885] ? should_fail+0x22d/0xd01 [ 180.316773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.321893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.327436] ? should_fail+0x22d/0xd01 [ 180.331326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.336431] ? should_fail+0x22d/0xd01 [ 180.340319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.345428] ? mark_held_locks+0x130/0x130 [ 180.349661] ? mark_held_locks+0x130/0x130 [ 180.353898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.359436] ? trace_hardirqs_off+0xb8/0x310 [ 180.363858] ? kasan_check_read+0x11/0x20 [ 180.368011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 180.372418] ? trace_hardirqs_on+0x310/0x310 [ 180.376827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.382381] ? wq_watchdog_touch+0x9c/0xfe [ 180.386622] ? io_serial_in+0x11/0x90 [ 180.390423] ? retint_kernel+0x2d/0x2d [ 180.394312] ? trace_hardirqs_on_caller+0xc0/0x310 [ 180.399243] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 180.403997] ? trace_hardirqs_off+0x310/0x310 [ 180.408492] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 180.413613] __alloc_pages_nodemask+0xa80/0xde0 [ 180.418282] ? should_fail+0x22d/0xd01 [ 180.422173] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 180.427208] ? ____cache_alloc_node+0x1c7/0x1e0 [ 180.431888] ? lock_downgrade+0x900/0x900 [ 180.436043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.441591] cache_grow_begin+0x91/0x8c0 [ 180.445658] ? do_raw_spin_unlock+0xa7/0x2f0 [ 180.450073] fallback_alloc+0x203/0x2e0 [ 180.454052] ____cache_alloc_node+0x1c7/0x1e0 [ 180.458554] kmem_cache_alloc_node+0xe3/0x730 [ 180.463054] ? ipv6_get_ifaddr+0x42e/0x620 [ 180.467299] __alloc_skb+0x119/0x770 [ 180.471017] ? skb_scrub_packet+0x490/0x490 [ 180.475351] ? lock_downgrade+0x900/0x900 [ 180.479510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.485051] ? refcount_sub_and_test_checked+0x203/0x310 [ 180.490505] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 180.495956] ? addrconf_rs_timer+0x690/0x690 [ 180.500370] ndisc_alloc_skb+0x144/0x340 [ 180.504434] ndisc_send_rs+0x331/0x6e0 [ 180.508327] addrconf_rs_timer+0x314/0x690 [ 180.512559] ? lock_release+0x970/0x970 [ 180.516538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.520779] call_timer_fn+0x272/0x920 [ 180.524666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.528902] ? process_timeout+0x40/0x40 [ 180.532959] ? kasan_check_read+0x11/0x20 [ 180.537110] ? do_raw_spin_unlock+0xa7/0x2f0 [ 180.541539] ? trace_hardirqs_on+0x310/0x310 [ 180.545948] ? __run_timers+0x7da/0xc70 [ 180.549925] ? lock_downgrade+0x900/0x900 [ 180.554080] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 180.559183] ? trace_hardirqs_on+0xbd/0x310 [ 180.563505] ? kasan_check_read+0x11/0x20 [ 180.567652] ? __run_timers+0x7da/0xc70 [ 180.571623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 180.577071] ? kasan_check_write+0x14/0x20 [ 180.581305] ? do_raw_spin_lock+0xc1/0x200 [ 180.585544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.589779] __run_timers+0x7e5/0xc70 [ 180.593589] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 180.598951] ? lock_downgrade+0x900/0x900 [ 180.603096] ? finish_task_switch+0x1b5/0x900 [ 180.607596] ? trace_hardirqs_on+0xbd/0x310 [ 180.611916] ? kasan_check_read+0x11/0x20 [ 180.616064] ? finish_task_switch+0x1f5/0x900 [ 180.620561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 180.626012] ? compat_start_thread+0x80/0x80 [ 180.630434] ? pvclock_read_flags+0x160/0x160 [ 180.634931] ? __switch_to_asm+0x34/0x70 [ 180.638986] ? __switch_to_asm+0x34/0x70 [ 180.643045] ? __switch_to_asm+0x40/0x70 [ 180.647105] ? __switch_to_asm+0x40/0x70 [ 180.651161] ? __switch_to_asm+0x34/0x70 [ 180.655221] ? __switch_to_asm+0x40/0x70 [ 180.659283] ? trace_hardirqs_on+0xbd/0x310 [ 180.663602] ? kvm_sched_clock_read+0x9/0x20 [ 180.668007] ? run_ksoftirqd+0x94/0x100 [ 180.671991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.677526] ? check_preemption_disabled+0x48/0x200 [ 180.682542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.688082] run_timer_softirq+0x52/0xb0 [ 180.692140] ? __this_cpu_preempt_check+0x1c/0x1f [ 180.696983] __do_softirq+0x30b/0xad8 [ 180.700792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 180.705900] ? schedule+0x108/0x460 [ 180.709530] ? trace_hardirqs_off+0xb8/0x310 [ 180.713938] ? smpboot_thread_fn+0x68b/0xa00 [ 180.718344] ? trace_hardirqs_on+0x310/0x310 [ 180.722756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.728291] ? check_preemption_disabled+0x48/0x200 [ 180.733307] ? takeover_tasklets+0xa90/0xa90 [ 180.737718] run_ksoftirqd+0x94/0x100 [ 180.741517] smpboot_thread_fn+0x68b/0xa00 [ 180.745755] ? sort_range+0x30/0x30 [ 180.749391] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 180.754490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.760026] ? __kthread_parkme+0xfb/0x1a0 [ 180.764261] kthread+0x35a/0x420 [ 180.767622] ? sort_range+0x30/0x30 [ 180.771244] ? kthread_bind+0x40/0x40 [ 180.775215] ret_from_fork+0x3a/0x50 [ 180.778935] warn_alloc_show_mem: 1 callbacks suppressed [ 180.778947] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 180.778949] Mem-Info: [ 180.778980] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 180.778980] active_file:16 inactive_file:13 isolated_file:0 [ 180.778980] unevictable:0 dirty:0 writeback:0 unstable:0 [ 180.778980] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 180.778980] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 180.778980] free:13630 free_pcp:242 free_cma:0 [ 180.784322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.791516] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 180.793914] Call Trace: [ 180.826785] Node 0 [ 180.836136] [ 180.863644] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 180.866205] dump_stack+0x1c4/0x2b4 [ 180.868413] lowmem_reserve[]: [ 180.870561] ? dump_stack_print_info.cold.2+0x52/0x52 [ 180.896045] 0 [ 180.899678] warn_alloc.cold.119+0xb7/0x1bd [ 180.902752] 2819 [ 180.907938] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 180.909716] 6323 [ 180.914035] ? lock_downgrade+0x900/0x900 [ 180.916071] 6323 [ 180.920911] ? trace_hardirqs_off+0xb8/0x310 [ 180.927092] ? trace_hardirqs_off+0xb8/0x310 [ 180.929130] Node 0 [ 180.933537] __alloc_pages_slowpath+0x2667/0x2d80 [ 180.937942] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 180.940165] ? warn_alloc+0x120/0x120 [ 180.944973] lowmem_reserve[]: [ 180.971951] ? trace_hardirqs_on+0x310/0x310 [ 180.975730] 0 [ 180.978828] ? warn_alloc+0x120/0x120 [ 180.983221] 0 [ 180.985019] ? warn_alloc+0x120/0x120 [ 180.988794] 3503 [ 180.990603] ? ktime_get+0x2e1/0x440 [ 180.994381] 3503 [ 180.996440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.002190] ? check_preemption_disabled+0x48/0x200 [ 181.007698] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 181.012760] ? kasan_check_read+0x11/0x20 [ 181.012779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 181.041649] lowmem_reserve[]: [ 181.045808] ? should_fail+0x22d/0xd01 [ 181.051319] 0 [ 181.054425] ? rcu_bh_qs+0xc0/0xc0 [ 181.058287] 0 [ 181.060094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 181.063608] 0 [ 181.065413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 181.070489] 0 [ 181.072289] ? should_fail+0x22d/0xd01 [ 181.079602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 181.083464] Node 0 [ 181.088555] ? should_fail+0x22d/0xd01 [ 181.088558] DMA: 1*4kB [ 181.090794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 181.094656] (U) [ 181.097238] ? mark_held_locks+0x130/0x130 [ 181.102338] 0*8kB [ 181.104318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.108528] 0*16kB [ 181.110673] ? mark_held_locks+0x130/0x130 [ 181.116186] 1*32kB [ 181.118456] ? rcu_irq_exit+0xce/0x100 [ 181.122666] (U) [ 181.124901] ? irq_exit+0xbd/0x1c0 [ 181.128762] 2*64kB [ 181.130733] ? mark_held_locks+0x130/0x130 [ 181.134247] (U) [ 181.136485] ? smp_call_function_single_interrupt+0x650/0x650 [ 181.140691] 1*128kB [ 181.142663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.148518] (U) [ 181.150846] ? ret_from_intr+0xb/0x1e [ 181.156381] 1*256kB [ 181.158358] ? retint_kernel+0x2d/0x2d [ 181.162127] (U) [ 181.164447] ? trace_hardirqs_on_caller+0xc0/0x310 [ 181.168310] 0*512kB [ 181.170290] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 181.175193] 1*1024kB [ 181.177512] ? trace_hardirqs_off+0x310/0x310 [ 181.182241] (U) [ 181.184647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 181.189125] 1*2048kB [ 181.191099] __alloc_pages_nodemask+0xa80/0xde0 [ 181.196175] (M) [ 181.198582] ? should_fail+0x22d/0xd01 [ 181.203223] 3*4096kB [ 181.205194] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 181.209055] (M) [ 181.211471] ? ____cache_alloc_node+0x1c7/0x1e0 [ 181.216456] = 15908kB [ 181.218429] ? lock_downgrade+0x900/0x900 [ 181.223070] Node 0 [ 181.225477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.229595] DMA32: [ 181.231831] cache_grow_begin+0x91/0x8c0 [ 181.237359] 4*4kB (M) [ 181.239604] ? do_raw_spin_unlock+0xa7/0x2f0 [ 181.243637] 0*8kB [ 181.246131] fallback_alloc+0x203/0x2e0 [ 181.250519] 2*16kB [ 181.252665] ____cache_alloc_node+0x1c7/0x1e0 [ 181.256614] (M) [ 181.258864] kmem_cache_alloc_node+0xe3/0x730 [ 181.263339] 2*32kB [ 181.265316] ? ipv6_get_ifaddr+0x42e/0x620 [ 181.269785] (M) [ 181.272016] __alloc_skb+0x119/0x770 [ 181.276225] 5*64kB [ 181.278197] ? skb_scrub_packet+0x490/0x490 [ 181.281885] (UM) [ 181.284122] ? lock_downgrade+0x900/0x900 [ 181.288417] 3*128kB [ 181.290474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.294598] (M) [ 181.296918] ? refcount_sub_and_test_checked+0x203/0x310 [ 181.302434] 4*256kB [ 181.304408] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 181.309832] (UM) [ 181.312163] ? addrconf_rs_timer+0x690/0x690 [ 181.317589] 3*512kB [ 181.319652] ndisc_alloc_skb+0x144/0x340 [ 181.324035] (M) [ 181.326365] ndisc_send_rs+0x331/0x6e0 [ 181.330399] 3*1024kB [ 181.332378] addrconf_rs_timer+0x314/0x690 [ 181.336247] (UM) [ 181.338657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.342890] 1*2048kB [ 181.344954] call_timer_fn+0x272/0x920 [ 181.349183] (M) [ 181.351590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.355454] 4*4096kB [ 181.357428] ? process_timeout+0x40/0x40 [ 181.361635] (M) [ 181.364043] ? trace_hardirqs_off+0xb8/0x310 [ 181.368077] = 24880kB [ 181.370050] ? kasan_check_read+0x11/0x20 [ 181.374523] Node 0 [ 181.376930] ? do_raw_spin_unlock+0xa7/0x2f0 [ 181.381049] Normal: [ 181.383284] ? trace_hardirqs_on+0x310/0x310 [ 181.387668] 719*4kB [ 181.389986] ? __run_timers+0x7da/0xc70 [ 181.394371] (ME) [ 181.396691] ? lock_downgrade+0x900/0x900 [ 181.400646] 385*8kB [ 181.402928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 181.407057] (UME) [ 181.409395] ? trace_hardirqs_on+0xbd/0x310 [ 181.414479] 182*16kB [ 181.416621] ? kasan_check_read+0x11/0x20 [ 181.420930] (ME) [ 181.423363] ? __run_timers+0x7da/0xc70 [ 181.427484] 99*32kB [ 181.429542] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 181.433491] (UME) [ 181.435815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.441239] 27*64kB [ 181.443392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.448908] (UM) [ 181.451227] __run_timers+0x7e5/0xc70 [ 181.455436] 0*128kB [ 181.457496] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 181.461271] 0*256kB [ 181.463595] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 181.468933] 0*512kB [ 181.471250] ? rcu_bh_qs+0xc0/0xc0 [ 181.476502] 0*1024kB [ 181.478828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.482348] 0*2048kB 0*4096kB [ 181.484778] ? check_preemption_disabled+0x48/0x200 [ 181.490288] = 13764kB [ 181.493475] ? rcu_nmi_exit+0xdb/0x280 [ 181.498473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 181.500877] ? ret_from_intr+0xb/0x1e [ 181.504746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 181.514038] ? retint_kernel+0x2d/0x2d [ 181.517819] 148 total pagecache pages [ 181.526399] ? trace_hardirqs_on_caller+0xc0/0x310 [ 181.530260] 0 pages in swap cache [ 181.534053] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 181.538958] Swap cache stats: add 0, delete 0, find 0/0 [ 181.542404] ? trace_hardirqs_off+0x310/0x310 [ 181.547135] Free swap = 0kB [ 181.552492] ? check_preemption_disabled+0x48/0x200 [ 181.556957] Total swap = 0kB [ 181.559974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.564983] 1965979 pages RAM [ 181.568001] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 181.573508] 0 pages HighMem/MovableOnly [ 181.576606] ? retint_kernel+0x2d/0x2d [ 181.581334] 342307 pages reserved [ 181.585314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.589178] 0 pages cma reserved [ 181.592628] ? check_preemption_disabled+0x48/0x200 [ 181.598189] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 181.601492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.601511] run_timer_softirq+0x52/0xb0 [ 181.601530] ? __this_cpu_preempt_check+0x1c/0x1f [ 181.606567] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 181.613013] __do_softirq+0x30b/0xad8 [ 181.618523] ksoftirqd/0 cpuset= [ 181.622583] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 181.627399] / [ 181.637704] ? pvclock_read_flags+0x160/0x160 [ 181.641485] mems_allowed=0 [ 181.644758] ? lapic_next_event+0x5a/0x90 [ 181.663108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.668646] ? clockevents_program_event+0x140/0x370 [ 181.673751] ? kvm_clock_read+0x18/0x30 [ 181.677726] ? kvm_sched_clock_read+0x9/0x20 [ 181.682137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.687673] ? check_preemption_disabled+0x48/0x200 [ 181.692694] irq_exit+0x17f/0x1c0 [ 181.696152] smp_apic_timer_interrupt+0x1cb/0x760 [ 181.700997] ? smp_reschedule_interrupt+0x109/0x650 [ 181.706014] ? smp_call_function_single_interrupt+0x650/0x650 [ 181.711894] ? interrupt_entry+0xb5/0xf0 [ 181.715958] ? trace_hardirqs_off_caller+0xbb/0x310 [ 181.720975] ? trace_hardirqs_off_caller+0xbb/0x310 [ 181.726002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 181.730858] ? trace_hardirqs_on_caller+0x310/0x310 [ 181.735877] ? trace_hardirqs_on_caller+0x310/0x310 [ 181.740895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.746433] ? check_preemption_disabled+0x48/0x200 [ 181.751450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.756989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 181.761834] apic_timer_interrupt+0xf/0x20 [ 181.766081] [ 181.768321] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 181.773251] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 181.792147] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 181.799859] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 181.807124] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 181.814392] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 181.821660] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 181.828925] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 181.836211] ? trace_hardirqs_on+0xb4/0x310 [ 181.840548] skb_clone+0x1bb/0x500 [ 181.844089] ? finish_task_switch+0x2f5/0x900 [ 181.848586] ? skb_split+0x11e0/0x11e0 [ 181.852473] ? preempt_notifier_register+0x200/0x200 [ 181.857572] ? __switch_to_asm+0x34/0x70 [ 181.861632] ? __switch_to_asm+0x34/0x70 [ 181.865687] ? __switch_to_asm+0x40/0x70 [ 181.869743] ? __switch_to_asm+0x34/0x70 [ 181.873798] ? __switch_to_asm+0x40/0x70 [ 181.877862] ? __switch_to_asm+0x34/0x70 [ 181.881918] ? __switch_to_asm+0x40/0x70 [ 181.885988] ? __switch_to_asm+0x34/0x70 [ 181.890045] ? __switch_to_asm+0x34/0x70 [ 181.894099] ? __switch_to_asm+0x40/0x70 [ 181.898153] ? __switch_to_asm+0x34/0x70 [ 181.902218] bpf_clone_redirect+0xb9/0x490 [ 181.906454] ? __schedule+0x874/0x1ed0 [ 181.910341] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 181.915370] ? __sched_text_start+0x8/0x8 [ 181.919522] ? retint_kernel+0x2d/0x2d [ 181.923406] ? retint_kernel+0x2d/0x2d [ 181.927291] ? trace_hardirqs_on_caller+0xc0/0x310 [ 181.932218] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 181.936975] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 181.941729] ? trace_hardirqs_off+0x310/0x310 [ 181.946229] ? lock_acquire+0x1ed/0x520 [ 181.950202] ? bpf_test_run+0x32e/0x5a0 [ 181.954180] ? lock_release+0x970/0x970 [ 181.958181] ? preempt_schedule+0x4d/0x60 [ 181.962328] ? preempt_schedule_common+0x1f/0xd0 [ 181.967087] ? preempt_schedule+0x4d/0x60 [ 181.971234] ? ___preempt_schedule+0x16/0x18 [ 181.975647] ? bpf_test_run+0x1c0/0x5a0 [ 181.979624] ? netlink_diag_dump+0x2a0/0x2a0 [ 181.984037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 181.989570] ? bpf_test_init.isra.9+0x70/0x100 [ 181.994152] ? bpf_prog_test_run_skb+0x634/0xb40 [ 181.998912] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.003753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 182.009287] ? fput+0x130/0x1a0 [ 182.012566] ? __bpf_prog_get+0x9b/0x290 [ 182.016630] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.021554] ? bpf_prog_test_run+0x130/0x1a0 [ 182.025965] ? __x64_sys_bpf+0x3d8/0x510 [ 182.030112] ? bpf_prog_get+0x20/0x20 [ 182.033927] ? do_syscall_64+0x1b9/0x820 [ 182.037990] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 182.043366] ? syscall_return_slowpath+0x5e0/0x5e0 [ 182.048293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.053137] ? trace_hardirqs_on_caller+0x310/0x310 [ 182.058153] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 182.063172] ? prepare_exit_to_usermode+0x291/0x3b0 [ 182.068193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.073044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.078417] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 182.078468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 182.085179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.085184] Call Trace: [ 182.085205] dump_stack+0x1c4/0x2b4 [ 182.085225] ? dump_stack_print_info.cold.2+0x52/0x52 [ 182.091766] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 182.101055] warn_alloc.cold.119+0xb7/0x1bd [ 182.103616] syz-executor0 cpuset= [ 182.107237] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 182.112401] syz0 [ 182.122894] ? lock_downgrade+0x900/0x900 [ 182.127195] mems_allowed=0 [ 182.130639] ? trace_hardirqs_off+0xb8/0x310 [ 182.148888] ? trace_hardirqs_off+0xb8/0x310 [ 182.153304] __alloc_pages_slowpath+0x2667/0x2d80 [ 182.158163] ? warn_alloc+0x120/0x120 [ 182.161965] ? warn_alloc+0x120/0x120 [ 182.165767] ? warn_alloc+0x120/0x120 [ 182.169571] ? mark_held_locks+0x130/0x130 [ 182.173809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.179354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.184893] ? should_fail+0x22d/0xd01 [ 182.188779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.193881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.199419] ? should_fail+0x22d/0xd01 [ 182.203306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.208405] ? should_fail+0x22d/0xd01 [ 182.212298] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.217404] ? mark_held_locks+0x130/0x130 [ 182.221638] ? mark_held_locks+0x130/0x130 [ 182.225891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.231427] ? trace_hardirqs_off+0xb8/0x310 [ 182.235830] ? kasan_check_read+0x11/0x20 [ 182.239996] ? do_raw_spin_unlock+0xa7/0x2f0 [ 182.244405] ? trace_hardirqs_on+0x310/0x310 [ 182.248814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.254364] ? wq_watchdog_touch+0x9c/0xfe [ 182.258596] ? io_serial_in+0x11/0x90 [ 182.262400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.267940] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 182.273048] __alloc_pages_nodemask+0xa80/0xde0 [ 182.277717] ? should_fail+0x22d/0xd01 [ 182.281606] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 182.286638] ? ____cache_alloc_node+0x1c7/0x1e0 [ 182.291305] ? lock_downgrade+0x900/0x900 [ 182.295457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.300996] cache_grow_begin+0x91/0x8c0 [ 182.305058] ? do_raw_spin_unlock+0xa7/0x2f0 [ 182.309473] fallback_alloc+0x203/0x2e0 [ 182.313449] ____cache_alloc_node+0x1c7/0x1e0 [ 182.317950] kmem_cache_alloc_node+0xe3/0x730 [ 182.322444] ? ipv6_get_ifaddr+0x42e/0x620 [ 182.326682] __alloc_skb+0x119/0x770 [ 182.330396] ? skb_scrub_packet+0x490/0x490 [ 182.334714] ? lock_downgrade+0x900/0x900 [ 182.338874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.344414] ? refcount_sub_and_test_checked+0x203/0x310 [ 182.349877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 182.355328] ? addrconf_rs_timer+0x690/0x690 [ 182.359741] ndisc_alloc_skb+0x144/0x340 [ 182.363807] ndisc_send_rs+0x331/0x6e0 [ 182.367708] addrconf_rs_timer+0x314/0x690 [ 182.371942] ? lock_release+0x970/0x970 [ 182.375917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.380159] call_timer_fn+0x272/0x920 [ 182.384041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.388273] ? process_timeout+0x40/0x40 [ 182.392327] ? kasan_check_read+0x11/0x20 [ 182.396477] ? do_raw_spin_unlock+0xa7/0x2f0 [ 182.400887] ? trace_hardirqs_on+0x310/0x310 [ 182.405301] ? __run_timers+0x7da/0xc70 [ 182.409273] ? lock_downgrade+0x900/0x900 [ 182.413419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 182.418519] ? trace_hardirqs_on+0xbd/0x310 [ 182.422835] ? kasan_check_read+0x11/0x20 [ 182.426997] ? __run_timers+0x7da/0xc70 [ 182.430969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 182.436416] ? kasan_check_write+0x14/0x20 [ 182.440651] ? do_raw_spin_lock+0xc1/0x200 [ 182.444887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.449123] __run_timers+0x7e5/0xc70 [ 182.452957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 182.458315] ? lock_downgrade+0x900/0x900 [ 182.462463] ? finish_task_switch+0x1b5/0x900 [ 182.466962] ? trace_hardirqs_on+0xbd/0x310 [ 182.471277] ? kasan_check_read+0x11/0x20 [ 182.475421] ? finish_task_switch+0x1f5/0x900 [ 182.479954] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 182.485403] ? compat_start_thread+0x80/0x80 [ 182.489822] ? pvclock_read_flags+0x160/0x160 [ 182.494328] ? __switch_to_asm+0x34/0x70 [ 182.498387] ? __switch_to_asm+0x34/0x70 [ 182.502442] ? __switch_to_asm+0x40/0x70 [ 182.506506] ? __switch_to_asm+0x40/0x70 [ 182.510561] ? __switch_to_asm+0x34/0x70 [ 182.514619] ? __switch_to_asm+0x40/0x70 [ 182.518685] ? trace_hardirqs_on+0xbd/0x310 [ 182.523006] ? kvm_sched_clock_read+0x9/0x20 [ 182.527418] ? run_ksoftirqd+0x94/0x100 [ 182.531395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.536931] ? check_preemption_disabled+0x48/0x200 [ 182.541942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.547484] run_timer_softirq+0x52/0xb0 [ 182.551545] ? __this_cpu_preempt_check+0x1c/0x1f [ 182.556386] __do_softirq+0x30b/0xad8 [ 182.560208] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 182.565343] ? schedule+0x108/0x460 [ 182.568980] ? trace_hardirqs_off+0xb8/0x310 [ 182.573386] ? smpboot_thread_fn+0x68b/0xa00 [ 182.577793] ? trace_hardirqs_on+0x310/0x310 [ 182.582198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.587765] ? check_preemption_disabled+0x48/0x200 [ 182.592793] ? takeover_tasklets+0xa90/0xa90 [ 182.597228] run_ksoftirqd+0x94/0x100 [ 182.601030] smpboot_thread_fn+0x68b/0xa00 [ 182.605269] ? sort_range+0x30/0x30 [ 182.608986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 182.614089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.619637] ? __kthread_parkme+0xfb/0x1a0 [ 182.623909] kthread+0x35a/0x420 [ 182.627290] ? sort_range+0x30/0x30 [ 182.630922] ? kthread_bind+0x40/0x40 [ 182.634725] ret_from_fork+0x3a/0x50 [ 182.638449] warn_alloc_show_mem: 1 callbacks suppressed [ 182.638461] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 182.638463] Mem-Info: [ 182.638499] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 182.638499] active_file:16 inactive_file:13 isolated_file:0 [ 182.638499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 182.638499] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 182.638499] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 182.638499] free:13630 free_pcp:242 free_cma:0 [ 182.643851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.651051] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 182.653452] Call Trace: [ 182.686322] Node 0 [ 182.695678] [ 182.723185] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 182.725751] dump_stack+0x1c4/0x2b4 [ 182.727954] lowmem_reserve[]: [ 182.730101] ? dump_stack_print_info.cold.2+0x52/0x52 [ 182.755577] 0 [ 182.759206] warn_alloc.cold.119+0xb7/0x1bd [ 182.762280] 2819 [ 182.767467] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 182.769244] 6323 [ 182.773560] ? lock_downgrade+0x900/0x900 [ 182.775600] 6323 [ 182.780437] ? trace_hardirqs_off+0xb8/0x310 [ 182.786612] ? trace_hardirqs_off+0xb8/0x310 [ 182.788651] Node 0 [ 182.793055] __alloc_pages_slowpath+0x2667/0x2d80 [ 182.797461] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 182.799682] ? warn_alloc+0x120/0x120 [ 182.804484] lowmem_reserve[]: [ 182.831460] ? trace_hardirqs_on+0x310/0x310 [ 182.835237] 0 [ 182.838341] ? warn_alloc+0x120/0x120 [ 182.842741] 0 [ 182.844540] ? warn_alloc+0x120/0x120 [ 182.848319] 3503 [ 182.850119] ? ktime_get+0x2e1/0x440 [ 182.853896] 3503 [ 182.855957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.861793] ? check_preemption_disabled+0x48/0x200 [ 182.867300] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 182.872339] ? kasan_check_read+0x11/0x20 [ 182.872366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.901218] lowmem_reserve[]: 0 [ 182.905379] ? should_fail+0x22d/0xd01 [ 182.910892] 0 [ 182.914170] ? rcu_bh_qs+0xc0/0xc0 [ 182.918055] 0 [ 182.919865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.923382] 0 [ 182.925180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.932055] ? should_fail+0x22d/0xd01 [ 182.937572] Node 0 DMA: [ 182.941453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.941469] ? should_fail+0x22d/0xd01 [ 182.944124] 1*4kB [ 182.949227] ? rcu_idle_enter+0x4b0/0x4b0 [ 182.953085] (U) [ 182.955235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.959363] 0*8kB [ 182.961336] ? mark_held_locks+0x130/0x130 [ 182.966413] 0*16kB [ 182.968559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.972768] 1*32kB [ 182.975001] ? mark_held_locks+0x130/0x130 [ 182.980511] (U) [ 182.982749] ? rcu_irq_exit+0xce/0x100 [ 182.986958] 2*64kB [ 182.988930] ? irq_exit+0xbd/0x1c0 [ 182.992787] (U) [ 182.995020] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 182.998532] 1*128kB [ 183.000504] ? do_raw_spin_unlock+0xa7/0x2f0 [ 183.005490] (U) [ 183.007813] ? smp_call_function_single_interrupt+0x650/0x650 [ 183.012199] 1*256kB [ 183.014172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.020026] (U) [ 183.022345] ? ret_from_intr+0xb/0x1e [ 183.027876] 0*512kB [ 183.029854] ? retint_kernel+0x2d/0x2d [ 183.033633] 1*1024kB [ 183.035957] ? trace_hardirqs_on_caller+0xc0/0x310 [ 183.039816] (U) [ 183.042234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 183.047135] 1*2048kB [ 183.049107] ? trace_hardirqs_off+0x310/0x310 [ 183.053925] (M) [ 183.056331] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 183.060802] 3*4096kB [ 183.062775] __alloc_pages_nodemask+0xa80/0xde0 [ 183.067858] (M) [ 183.070262] ? should_fail+0x22d/0xd01 [ 183.074913] = 15908kB [ 183.076886] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 183.080750] Node 0 [ 183.083163] ? ____cache_alloc_node+0x1c7/0x1e0 [ 183.088146] DMA32: [ 183.090386] ? lock_downgrade+0x900/0x900 [ 183.095030] 4*4kB [ 183.097262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.101382] (M) [ 183.103527] cache_grow_begin+0x91/0x8c0 [ 183.109035] 0*8kB 2*16kB [ 183.111024] ? do_raw_spin_unlock+0xa7/0x2f0 [ 183.115056] (M) [ 183.117807] fallback_alloc+0x203/0x2e0 [ 183.122190] 2*32kB [ 183.124161] ____cache_alloc_node+0x1c7/0x1e0 [ 183.128108] (M) [ 183.130341] kmem_cache_alloc_node+0xe3/0x730 [ 183.134814] 5*64kB [ 183.136795] ? ipv6_get_ifaddr+0x42e/0x620 [ 183.141257] (UM) [ 183.143494] __alloc_skb+0x119/0x770 [ 183.147707] 3*128kB [ 183.149765] ? skb_scrub_packet+0x490/0x490 [ 183.153455] (M) [ 183.155778] ? lock_downgrade+0x900/0x900 [ 183.160083] 4*256kB [ 183.162055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.166179] (UM) [ 183.168505] ? refcount_sub_and_test_checked+0x203/0x310 [ 183.174020] 3*512kB [ 183.176080] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 183.181502] (M) [ 183.183821] ? addrconf_rs_timer+0x690/0x690 [ 183.189247] 3*1024kB [ 183.191225] ndisc_alloc_skb+0x144/0x340 [ 183.195604] (UM) [ 183.198011] ndisc_send_rs+0x331/0x6e0 [ 183.202039] 1*2048kB (M) [ 183.204115] addrconf_rs_timer+0x314/0x690 [ 183.207980] 4*4096kB [ 183.210736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.214950] (M) [ 183.217368] call_timer_fn+0x272/0x920 [ 183.221569] = 24880kB [ 183.223539] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.227401] Node 0 [ 183.229809] ? process_timeout+0x40/0x40 [ 183.234021] Normal: [ 183.236256] ? trace_hardirqs_off+0xb8/0x310 [ 183.240300] 719*4kB [ 183.242617] ? kasan_check_read+0x11/0x20 [ 183.247002] (ME) [ 183.249324] ? do_raw_spin_unlock+0xa7/0x2f0 [ 183.253441] 385*8kB (UME) [ 183.255510] ? trace_hardirqs_on+0x310/0x310 [ 183.259893] 182*16kB [ 183.262736] ? __run_timers+0x7da/0xc70 [ 183.267133] (ME) 99*32kB [ 183.269550] ? lock_downgrade+0x900/0x900 [ 183.273500] (UME) [ 183.276256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 183.280375] 27*64kB (UM) [ 183.282533] ? trace_hardirqs_on+0xbd/0x310 [ 183.287614] 0*128kB [ 183.290368] ? kasan_check_read+0x11/0x20 [ 183.294666] 0*256kB [ 183.296987] ? __run_timers+0x7da/0xc70 [ 183.301108] 0*512kB [ 183.303428] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 183.307377] 0*1024kB [ 183.309691] ? kasan_check_write+0x14/0x20 [ 183.315117] 0*2048kB [ 183.317526] ? do_raw_spin_lock+0xc1/0x200 [ 183.321737] 0*4096kB [ 183.324141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.328348] = 13764kB [ 183.330758] __run_timers+0x7e5/0xc70 [ 183.334975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 183.337382] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 183.341161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 183.350160] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 183.355498] 148 total pagecache pages [ 183.364069] ? rcu_bh_qs+0xc0/0xc0 [ 183.369322] 0 pages in swap cache [ 183.373119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.376634] Swap cache stats: add 0, delete 0, find 0/0 [ 183.380082] ? check_preemption_disabled+0x48/0x200 [ 183.385595] Free swap = 0kB [ 183.390956] ? rcu_nmi_exit+0xdb/0x280 [ 183.395941] Total swap = 0kB [ 183.395950] 1965979 pages RAM [ 183.398963] ? ret_from_intr+0xb/0x1e [ 183.403299] 0 pages HighMem/MovableOnly [ 183.403308] 342307 pages reserved [ 183.406325] ? retint_kernel+0x2d/0x2d [ 183.409407] 0 pages cma reserved [ 183.413200] ? trace_hardirqs_on_caller+0xc0/0x310 [ 183.417199] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 183.420594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 183.420608] ? trace_hardirqs_off+0x310/0x310 [ 183.420628] ? check_preemption_disabled+0x48/0x200 [ 183.424548] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 183.427872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.432775] ksoftirqd/0 cpuset= [ 183.439264] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 183.443994] / [ 183.448504] ? retint_kernel+0x2d/0x2d [ 183.453499] mems_allowed=0 [ 183.463829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.491401] ? check_preemption_disabled+0x48/0x200 [ 183.496420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.501964] run_timer_softirq+0x52/0xb0 [ 183.506032] ? __this_cpu_preempt_check+0x1c/0x1f [ 183.511341] __do_softirq+0x30b/0xad8 [ 183.515156] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 183.520259] ? pvclock_read_flags+0x160/0x160 [ 183.524755] ? lapic_next_event+0x5a/0x90 [ 183.528903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.534438] ? clockevents_program_event+0x140/0x370 [ 183.539543] ? kvm_clock_read+0x18/0x30 [ 183.543519] ? kvm_sched_clock_read+0x9/0x20 [ 183.547951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.553493] ? check_preemption_disabled+0x48/0x200 [ 183.558513] irq_exit+0x17f/0x1c0 [ 183.561969] smp_apic_timer_interrupt+0x1cb/0x760 [ 183.566809] ? smp_reschedule_interrupt+0x109/0x650 [ 183.571831] ? smp_call_function_single_interrupt+0x650/0x650 [ 183.577722] ? interrupt_entry+0xb5/0xf0 [ 183.581786] ? trace_hardirqs_off_caller+0xbb/0x310 [ 183.586800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 183.591816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.596663] ? trace_hardirqs_on_caller+0x310/0x310 [ 183.601675] ? trace_hardirqs_on_caller+0x310/0x310 [ 183.606689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.612227] ? check_preemption_disabled+0x48/0x200 [ 183.617243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.622787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.627633] apic_timer_interrupt+0xf/0x20 [ 183.631865] [ 183.634103] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 183.639031] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 183.657933] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 183.665645] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 183.672911] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 183.680178] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 183.687442] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 183.694709] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 183.701991] ? trace_hardirqs_on+0xb4/0x310 [ 183.706330] skb_clone+0x1bb/0x500 [ 183.709880] ? finish_task_switch+0x2f5/0x900 [ 183.714381] ? skb_split+0x11e0/0x11e0 [ 183.718268] ? preempt_notifier_register+0x200/0x200 [ 183.723375] ? __switch_to_asm+0x34/0x70 [ 183.727435] ? __switch_to_asm+0x34/0x70 [ 183.731490] ? __switch_to_asm+0x40/0x70 [ 183.735549] ? __switch_to_asm+0x34/0x70 [ 183.739610] ? __switch_to_asm+0x40/0x70 [ 183.743665] ? __switch_to_asm+0x34/0x70 [ 183.747723] ? __switch_to_asm+0x40/0x70 [ 183.751780] ? __switch_to_asm+0x34/0x70 [ 183.755853] ? __switch_to_asm+0x34/0x70 [ 183.759919] ? __switch_to_asm+0x40/0x70 [ 183.763980] ? __switch_to_asm+0x34/0x70 [ 183.768055] bpf_clone_redirect+0xb9/0x490 [ 183.772296] ? __schedule+0x874/0x1ed0 [ 183.776187] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 183.781204] ? __sched_text_start+0x8/0x8 [ 183.785360] ? retint_kernel+0x2d/0x2d [ 183.789246] ? retint_kernel+0x2d/0x2d [ 183.793137] ? trace_hardirqs_on_caller+0xc0/0x310 [ 183.798153] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 183.802916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 183.807673] ? trace_hardirqs_off+0x310/0x310 [ 183.812174] ? lock_acquire+0x1ed/0x520 [ 183.816149] ? bpf_test_run+0x32e/0x5a0 [ 183.820133] ? lock_release+0x970/0x970 [ 183.824108] ? preempt_schedule+0x4d/0x60 [ 183.828256] ? preempt_schedule_common+0x1f/0xd0 [ 183.833011] ? preempt_schedule+0x4d/0x60 [ 183.837163] ? ___preempt_schedule+0x16/0x18 [ 183.841573] ? bpf_test_run+0x1c0/0x5a0 [ 183.845557] ? netlink_diag_dump+0x2a0/0x2a0 [ 183.849969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 183.855511] ? bpf_test_init.isra.9+0x70/0x100 [ 183.860099] ? bpf_prog_test_run_skb+0x634/0xb40 [ 183.864866] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 183.869710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 183.875253] ? fput+0x130/0x1a0 [ 183.878531] ? __bpf_prog_get+0x9b/0x290 [ 183.882592] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 183.887430] ? bpf_prog_test_run+0x130/0x1a0 [ 183.891845] ? __x64_sys_bpf+0x3d8/0x510 [ 183.895911] ? bpf_prog_get+0x20/0x20 [ 183.899727] ? do_syscall_64+0x1b9/0x820 [ 183.903793] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 183.909160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 183.914084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.918935] ? trace_hardirqs_on_caller+0x310/0x310 [ 183.923951] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 183.928966] ? prepare_exit_to_usermode+0x291/0x3b0 [ 183.933984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.938834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.944222] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 183.944288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 183.950986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.950991] Call Trace: [ 183.951012] dump_stack+0x1c4/0x2b4 [ 183.951029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 183.951051] warn_alloc.cold.119+0xb7/0x1bd [ 183.957569] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 183.966890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 183.969452] syz-executor0 cpuset= [ 183.973079] ? lock_downgrade+0x900/0x900 [ 183.978240] syz0 [ 183.982560] ? trace_hardirqs_off+0xb8/0x310 [ 183.993020] mems_allowed=0 [ 183.997874] ? trace_hardirqs_off+0xb8/0x310 [ 184.019123] __alloc_pages_slowpath+0x2667/0x2d80 [ 184.023992] ? warn_alloc+0x120/0x120 [ 184.027794] ? warn_alloc+0x120/0x120 [ 184.031599] ? warn_alloc+0x120/0x120 [ 184.035400] ? mark_held_locks+0x130/0x130 [ 184.039639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.045178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.050712] ? should_fail+0x22d/0xd01 [ 184.054601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.059716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.065251] ? should_fail+0x22d/0xd01 [ 184.069143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.074274] ? should_fail+0x22d/0xd01 [ 184.078161] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.083266] ? mark_held_locks+0x130/0x130 [ 184.087504] ? mark_held_locks+0x130/0x130 [ 184.091739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.097278] ? mark_held_locks+0x130/0x130 [ 184.101510] ? trace_hardirqs_on+0x310/0x310 [ 184.105924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.111464] ? wq_watchdog_touch+0x9c/0xfe [ 184.115702] ? io_serial_in+0x11/0x90 [ 184.119504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.125045] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 184.130155] __alloc_pages_nodemask+0xa80/0xde0 [ 184.134821] ? should_fail+0x22d/0xd01 [ 184.138724] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 184.143752] ? ____cache_alloc_node+0x1c7/0x1e0 [ 184.148422] ? lock_downgrade+0x900/0x900 [ 184.152577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.158119] cache_grow_begin+0x91/0x8c0 [ 184.162181] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.166593] fallback_alloc+0x203/0x2e0 [ 184.170569] ____cache_alloc_node+0x1c7/0x1e0 [ 184.175066] kmem_cache_alloc_node+0xe3/0x730 [ 184.179564] ? ipv6_get_ifaddr+0x42e/0x620 [ 184.183806] __alloc_skb+0x119/0x770 [ 184.187530] ? skb_scrub_packet+0x490/0x490 [ 184.191864] ? lock_downgrade+0x900/0x900 [ 184.196017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.201558] ? refcount_sub_and_test_checked+0x203/0x310 [ 184.207007] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 184.212457] ? addrconf_rs_timer+0x690/0x690 [ 184.216882] ndisc_alloc_skb+0x144/0x340 [ 184.220953] ndisc_send_rs+0x331/0x6e0 [ 184.224860] addrconf_rs_timer+0x314/0x690 [ 184.229100] ? lock_release+0x970/0x970 [ 184.233081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.237321] call_timer_fn+0x272/0x920 [ 184.241207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.245445] ? process_timeout+0x40/0x40 [ 184.249502] ? kasan_check_read+0x11/0x20 [ 184.253662] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.258070] ? trace_hardirqs_on+0x310/0x310 [ 184.262486] ? __run_timers+0x7da/0xc70 [ 184.266461] ? lock_downgrade+0x900/0x900 [ 184.270609] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 184.275715] ? trace_hardirqs_on+0xbd/0x310 [ 184.280034] ? kasan_check_read+0x11/0x20 [ 184.284181] ? __run_timers+0x7da/0xc70 [ 184.288160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 184.293612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.299156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.303394] __run_timers+0x7e5/0xc70 [ 184.307202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 184.312568] ? lock_downgrade+0x900/0x900 [ 184.316719] ? finish_task_switch+0x1b5/0x900 [ 184.321220] ? trace_hardirqs_on+0xbd/0x310 [ 184.325537] ? kasan_check_read+0x11/0x20 [ 184.329684] ? finish_task_switch+0x1f5/0x900 [ 184.334184] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 184.339637] ? compat_start_thread+0x80/0x80 [ 184.344054] ? pvclock_read_flags+0x160/0x160 [ 184.348545] ? __switch_to_asm+0x34/0x70 [ 184.352603] ? __switch_to_asm+0x34/0x70 [ 184.356658] ? __switch_to_asm+0x40/0x70 [ 184.360741] ? __switch_to_asm+0x40/0x70 [ 184.364798] ? __switch_to_asm+0x34/0x70 [ 184.368868] ? __switch_to_asm+0x40/0x70 [ 184.372932] ? trace_hardirqs_on+0xbd/0x310 [ 184.377251] ? kvm_sched_clock_read+0x9/0x20 [ 184.381657] ? run_ksoftirqd+0x94/0x100 [ 184.385629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.391165] ? check_preemption_disabled+0x48/0x200 [ 184.396179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.401719] run_timer_softirq+0x52/0xb0 [ 184.405783] ? __this_cpu_preempt_check+0x1c/0x1f [ 184.410627] __do_softirq+0x30b/0xad8 [ 184.414440] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 184.419549] ? schedule+0x108/0x460 [ 184.423182] ? trace_hardirqs_off+0xb8/0x310 [ 184.427589] ? smpboot_thread_fn+0x68b/0xa00 [ 184.431995] ? trace_hardirqs_on+0x310/0x310 [ 184.436404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.441942] ? check_preemption_disabled+0x48/0x200 [ 184.446959] ? takeover_tasklets+0xa90/0xa90 [ 184.451367] run_ksoftirqd+0x94/0x100 [ 184.455167] smpboot_thread_fn+0x68b/0xa00 [ 184.459404] ? sort_range+0x30/0x30 [ 184.463037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 184.468142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.473681] ? __kthread_parkme+0xfb/0x1a0 [ 184.477914] kthread+0x35a/0x420 [ 184.481288] ? sort_range+0x30/0x30 [ 184.484917] ? kthread_bind+0x40/0x40 [ 184.488725] ret_from_fork+0x3a/0x50 [ 184.492447] warn_alloc_show_mem: 1 callbacks suppressed [ 184.492459] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 184.492461] Mem-Info: [ 184.492491] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 184.492491] active_file:16 inactive_file:13 isolated_file:0 [ 184.492491] unevictable:0 dirty:0 writeback:0 unstable:0 [ 184.492491] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 184.492491] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 184.492491] free:13630 free_pcp:242 free_cma:0 [ 184.497844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.505040] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 184.507459] Call Trace: [ 184.540345] Node 0 [ 184.549703] [ 184.577215] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.579779] dump_stack+0x1c4/0x2b4 [ 184.581982] lowmem_reserve[]: [ 184.584134] ? dump_stack_print_info.cold.2+0x52/0x52 [ 184.609610] 0 [ 184.613241] warn_alloc.cold.119+0xb7/0x1bd [ 184.616318] 2819 [ 184.621503] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 184.623280] 6323 [ 184.627597] ? lock_downgrade+0x900/0x900 [ 184.629636] 6323 [ 184.634562] ? trace_hardirqs_off+0xb8/0x310 [ 184.640747] ? trace_hardirqs_off+0xb8/0x310 [ 184.642786] Node 0 [ 184.647190] __alloc_pages_slowpath+0x2667/0x2d80 [ 184.651601] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 184.653826] ? warn_alloc+0x120/0x120 [ 184.658630] lowmem_reserve[]: [ 184.685618] ? warn_alloc+0x120/0x120 [ 184.689399] 0 [ 184.692505] ? warn_alloc+0x120/0x120 [ 184.696280] 0 [ 184.698092] ? mark_held_locks+0x130/0x130 [ 184.701874] 3503 [ 184.703694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.707902] 3503 [ 184.709964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.717532] ? should_fail+0x22d/0xd01 [ 184.723045] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 184.726961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.726979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.755863] lowmem_reserve[]: [ 184.760976] ? should_fail+0x22d/0xd01 [ 184.766486] 0 [ 184.769593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.773454] 0 [ 184.775254] ? should_fail+0x22d/0xd01 [ 184.780333] 0 [ 184.782139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.786000] 0 [ 184.787826] ? mark_held_locks+0x130/0x130 [ 184.792909] Node 0 [ 184.794707] ? mark_held_locks+0x130/0x130 [ 184.798918] DMA: [ 184.801151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.805385] 1*4kB [ 184.807442] ? trace_hardirqs_off+0xb8/0x310 [ 184.812961] (U) [ 184.815105] ? kasan_check_read+0x11/0x20 [ 184.819490] 0*8kB 0*16kB [ 184.821476] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.825604] 1*32kB [ 184.828365] ? trace_hardirqs_on+0x310/0x310 [ 184.832740] (U) [ 184.834976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.839363] 2*64kB [ 184.841335] ? wq_watchdog_touch+0x9c/0xfe [ 184.846857] (U) [ 184.849089] ? io_serial_in+0x11/0x90 [ 184.853302] 1*128kB [ 184.855278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.859049] (U) 1*256kB [ 184.861385] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 184.866895] (U) [ 184.869566] __alloc_pages_nodemask+0xa80/0xde0 [ 184.874640] 0*512kB [ 184.876616] ? should_fail+0x22d/0xd01 [ 184.881278] 1*1024kB (U) [ 184.883608] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 184.887468] 1*2048kB [ 184.890231] ? ____cache_alloc_node+0x1c7/0x1e0 [ 184.895213] (M) [ 184.897621] ? lock_downgrade+0x900/0x900 [ 184.902265] 3*4096kB [ 184.904238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.908361] (M) [ 184.910770] cache_grow_begin+0x91/0x8c0 [ 184.916279] = 15908kB [ 184.918255] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.922290] Node 0 [ 184.924696] fallback_alloc+0x203/0x2e0 [ 184.929077] DMA32: [ 184.931313] ____cache_alloc_node+0x1c7/0x1e0 [ 184.935264] 4*4kB [ 184.937495] kmem_cache_alloc_node+0xe3/0x730 [ 184.941962] (M) [ 184.944108] ? ipv6_get_ifaddr+0x42e/0x620 [ 184.948574] 0*8kB [ 184.950544] __alloc_skb+0x119/0x770 [ 184.954754] 2*16kB [ 184.956897] ? skb_scrub_packet+0x490/0x490 [ 184.960585] (M) [ 184.962819] ? lock_downgrade+0x900/0x900 [ 184.967117] 2*32kB [ 184.969090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.973213] (M) [ 184.975448] ? refcount_sub_and_test_checked+0x203/0x310 [ 184.980958] 5*64kB [ 184.982928] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 184.988360] (UM) [ 184.990596] ? addrconf_rs_timer+0x690/0x690 [ 184.996018] 3*128kB [ 184.998082] ndisc_alloc_skb+0x144/0x340 [ 185.002461] (M) [ 185.004778] ndisc_send_rs+0x331/0x6e0 [ 185.008813] 4*256kB [ 185.010782] addrconf_rs_timer+0x314/0x690 [ 185.014644] (UM) [ 185.016964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.021173] 3*512kB [ 185.023233] call_timer_fn+0x272/0x920 [ 185.027436] (M) [ 185.029756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.033620] 3*1024kB [ 185.035598] ? process_timeout+0x40/0x40 [ 185.039802] (UM) [ 185.042212] ? trace_hardirqs_off+0xb8/0x310 [ 185.046248] 1*2048kB [ 185.048302] ? kasan_check_read+0x11/0x20 [ 185.052688] (M) [ 185.055095] ? do_raw_spin_unlock+0xa7/0x2f0 [ 185.059218] 4*4096kB [ 185.061193] ? trace_hardirqs_on+0x310/0x310 [ 185.065574] (M) [ 185.067997] ? __run_timers+0x7da/0xc70 [ 185.072381] = 24880kB [ 185.074358] ? lock_downgrade+0x900/0x900 [ 185.078299] Node 0 [ 185.080708] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 185.084830] Normal: [ 185.087077] ? trace_hardirqs_on+0xbd/0x310 [ 185.092156] 719*4kB [ 185.094474] ? kasan_check_read+0x11/0x20 [ 185.098771] (ME) [ 185.101092] ? __run_timers+0x7da/0xc70 [ 185.105212] 385*8kB [ 185.107273] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 185.111225] (UME) [ 185.113543] ? kasan_check_write+0x14/0x20 [ 185.118966] 182*16kB (ME) [ 185.121126] ? do_raw_spin_lock+0xc1/0x200 [ 185.125336] 99*32kB [ 185.128185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.132392] (UME) [ 185.134718] __run_timers+0x7e5/0xc70 [ 185.138927] 27*64kB [ 185.141077] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 185.144859] (UM) [ 185.147178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 185.152514] 0*128kB [ 185.154573] ? rcu_bh_qs+0xc0/0xc0 [ 185.159829] 0*256kB [ 185.162170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.165684] 0*512kB [ 185.168011] ? check_preemption_disabled+0x48/0x200 [ 185.173528] 0*1024kB [ 185.175860] ? rcu_nmi_exit+0xdb/0x280 [ 185.180882] 0*2048kB [ 185.183293] ? ret_from_intr+0xb/0x1e [ 185.187154] 0*4096kB [ 185.189562] ? retint_kernel+0x2d/0x2d [ 185.193332] = 13764kB [ 185.193347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.195760] ? trace_hardirqs_on_caller+0xc0/0x310 [ 185.199625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.202027] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.210846] 148 total pagecache pages [ 185.215775] ? trace_hardirqs_off+0x310/0x310 [ 185.224323] 0 pages in swap cache [ 185.229076] ? check_preemption_disabled+0x48/0x200 [ 185.232862] Swap cache stats: add 0, delete 0, find 0/0 [ 185.237346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.240772] Free swap = 0kB [ 185.245785] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.251122] Total swap = 0kB [ 185.256655] ? retint_kernel+0x2d/0x2d [ 185.259647] 1965979 pages RAM [ 185.264395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.267388] 0 pages HighMem/MovableOnly [ 185.271278] ? check_preemption_disabled+0x48/0x200 [ 185.274362] 342307 pages reserved [ 185.279900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.283860] 0 pages cma reserved [ 185.288877] run_timer_softirq+0x52/0xb0 [ 185.292355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 185.297835] ? __this_cpu_preempt_check+0x1c/0x1f [ 185.301260] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 185.305250] __do_softirq+0x30b/0xad8 [ 185.311714] ksoftirqd/0 cpuset= [ 185.316649] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 185.326942] / [ 185.330739] ? pvclock_read_flags+0x160/0x160 [ 185.333996] mems_allowed=0 [ 185.339089] ? lapic_next_event+0x5a/0x90 [ 185.352320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.357875] ? clockevents_program_event+0x140/0x370 [ 185.362988] ? kvm_clock_read+0x18/0x30 [ 185.366974] ? kvm_sched_clock_read+0x9/0x20 [ 185.371383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.376922] ? check_preemption_disabled+0x48/0x200 [ 185.381942] irq_exit+0x17f/0x1c0 [ 185.385399] smp_apic_timer_interrupt+0x1cb/0x760 [ 185.390239] ? smp_reschedule_interrupt+0x109/0x650 [ 185.395257] ? smp_call_function_single_interrupt+0x650/0x650 [ 185.401148] ? interrupt_entry+0xb5/0xf0 [ 185.405498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 185.410514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 185.415534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.420378] ? trace_hardirqs_on_caller+0x310/0x310 [ 185.425393] ? trace_hardirqs_on_caller+0x310/0x310 [ 185.430409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.435951] ? check_preemption_disabled+0x48/0x200 [ 185.440973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.446518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.451373] apic_timer_interrupt+0xf/0x20 [ 185.455600] [ 185.457844] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 185.462777] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 185.481675] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 185.489384] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 185.496650] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 185.503915] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 185.511668] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 185.518933] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 185.526219] ? trace_hardirqs_on+0xb4/0x310 [ 185.530550] skb_clone+0x1bb/0x500 [ 185.534090] ? finish_task_switch+0x2f5/0x900 [ 185.538581] ? skb_split+0x11e0/0x11e0 [ 185.542472] ? preempt_notifier_register+0x200/0x200 [ 185.547570] ? __switch_to_asm+0x34/0x70 [ 185.551630] ? __switch_to_asm+0x34/0x70 [ 185.555687] ? __switch_to_asm+0x40/0x70 [ 185.559745] ? __switch_to_asm+0x34/0x70 [ 185.563803] ? __switch_to_asm+0x40/0x70 [ 185.567873] ? __switch_to_asm+0x34/0x70 [ 185.571930] ? __switch_to_asm+0x40/0x70 [ 185.575985] ? __switch_to_asm+0x34/0x70 [ 185.580045] ? __switch_to_asm+0x34/0x70 [ 185.584104] ? __switch_to_asm+0x40/0x70 [ 185.588164] ? __switch_to_asm+0x34/0x70 [ 185.592229] bpf_clone_redirect+0xb9/0x490 [ 185.596473] ? __schedule+0x874/0x1ed0 [ 185.600364] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 185.605382] ? __sched_text_start+0x8/0x8 [ 185.609530] ? retint_kernel+0x2d/0x2d [ 185.613412] ? retint_kernel+0x2d/0x2d [ 185.617300] ? trace_hardirqs_on_caller+0xc0/0x310 [ 185.622231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.626988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.631766] ? trace_hardirqs_off+0x310/0x310 [ 185.636269] ? lock_acquire+0x1ed/0x520 [ 185.640273] ? bpf_test_run+0x32e/0x5a0 [ 185.644256] ? lock_release+0x970/0x970 [ 185.648228] ? preempt_schedule+0x4d/0x60 [ 185.652377] ? preempt_schedule_common+0x1f/0xd0 [ 185.657136] ? preempt_schedule+0x4d/0x60 [ 185.661282] ? ___preempt_schedule+0x16/0x18 [ 185.665693] ? bpf_test_run+0x1c0/0x5a0 [ 185.669671] ? netlink_diag_dump+0x2a0/0x2a0 [ 185.674079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.679612] ? bpf_test_init.isra.9+0x70/0x100 [ 185.684195] ? bpf_prog_test_run_skb+0x634/0xb40 [ 185.689039] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 185.693880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 185.699416] ? fput+0x130/0x1a0 [ 185.702692] ? __bpf_prog_get+0x9b/0x290 [ 185.706751] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 185.711589] ? bpf_prog_test_run+0x130/0x1a0 [ 185.715997] ? __x64_sys_bpf+0x3d8/0x510 [ 185.720065] ? bpf_prog_get+0x20/0x20 [ 185.723888] ? do_syscall_64+0x1b9/0x820 [ 185.727959] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 185.733321] ? syscall_return_slowpath+0x5e0/0x5e0 [ 185.738251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.743092] ? trace_hardirqs_on_caller+0x310/0x310 [ 185.748106] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 185.753126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 185.758145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.762993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.768372] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 185.768424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 185.775137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.775142] Call Trace: [ 185.775162] dump_stack+0x1c4/0x2b4 [ 185.775177] ? dump_stack_print_info.cold.2+0x52/0x52 [ 185.775224] warn_alloc.cold.119+0xb7/0x1bd [ 185.781776] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 185.791062] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 185.793622] syz-executor0 cpuset= [ 185.797249] ? lock_downgrade+0x900/0x900 [ 185.802410] syz0 [ 185.806730] ? trace_hardirqs_off+0xb8/0x310 [ 185.817192] mems_allowed=0 [ 185.822032] ? trace_hardirqs_off+0xb8/0x310 [ 185.843275] __alloc_pages_slowpath+0x2667/0x2d80 [ 185.848135] ? warn_alloc+0x120/0x120 [ 185.851936] ? warn_alloc+0x120/0x120 [ 185.855737] ? warn_alloc+0x120/0x120 [ 185.859536] ? mark_held_locks+0x130/0x130 [ 185.863772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.869307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.874849] ? should_fail+0x22d/0xd01 [ 185.878747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 185.883860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.889397] ? should_fail+0x22d/0xd01 [ 185.893350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 185.898454] ? should_fail+0x22d/0xd01 [ 185.902344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 185.907447] ? mark_held_locks+0x130/0x130 [ 185.911684] ? mark_held_locks+0x130/0x130 [ 185.915940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.921483] ? trace_hardirqs_off+0xb8/0x310 [ 185.925889] ? kasan_check_read+0x11/0x20 [ 185.930032] ? do_raw_spin_unlock+0xa7/0x2f0 [ 185.934437] ? trace_hardirqs_on+0x310/0x310 [ 185.938849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.944389] ? wq_watchdog_touch+0x9c/0xfe [ 185.948624] ? io_serial_in+0x11/0x90 [ 185.952420] ? retint_kernel+0x2d/0x2d [ 185.956308] ? trace_hardirqs_on_caller+0xc0/0x310 [ 185.961237] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.965987] ? trace_hardirqs_off+0x310/0x310 [ 185.970479] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 185.975587] __alloc_pages_nodemask+0xa80/0xde0 [ 185.980257] ? should_fail+0x22d/0xd01 [ 185.984144] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 185.989171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 185.993848] ? lock_downgrade+0x900/0x900 [ 185.998009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.003546] cache_grow_begin+0x91/0x8c0 [ 186.007610] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.012042] fallback_alloc+0x203/0x2e0 [ 186.016030] ____cache_alloc_node+0x1c7/0x1e0 [ 186.020528] kmem_cache_alloc_node+0xe3/0x730 [ 186.025027] ? ipv6_get_ifaddr+0x42e/0x620 [ 186.029268] __alloc_skb+0x119/0x770 [ 186.032981] ? skb_scrub_packet+0x490/0x490 [ 186.037299] ? lock_downgrade+0x900/0x900 [ 186.041448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.046987] ? refcount_sub_and_test_checked+0x203/0x310 [ 186.052442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 186.057890] ? addrconf_rs_timer+0x690/0x690 [ 186.062302] ndisc_alloc_skb+0x144/0x340 [ 186.066366] ndisc_send_rs+0x331/0x6e0 [ 186.070259] addrconf_rs_timer+0x314/0x690 [ 186.074488] ? lock_release+0x970/0x970 [ 186.078463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.082706] call_timer_fn+0x272/0x920 [ 186.086591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.090825] ? process_timeout+0x40/0x40 [ 186.094894] ? kasan_check_read+0x11/0x20 [ 186.099042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.103448] ? trace_hardirqs_on+0x310/0x310 [ 186.107871] ? __run_timers+0x7da/0xc70 [ 186.111858] ? lock_downgrade+0x900/0x900 [ 186.116012] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.121129] ? trace_hardirqs_on+0xbd/0x310 [ 186.125449] ? kasan_check_read+0x11/0x20 [ 186.129596] ? __run_timers+0x7da/0xc70 [ 186.133567] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 186.139017] ? kasan_check_write+0x14/0x20 [ 186.143253] ? do_raw_spin_lock+0xc1/0x200 [ 186.147488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.151721] __run_timers+0x7e5/0xc70 [ 186.155531] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 186.160895] ? lock_downgrade+0x900/0x900 [ 186.165044] ? finish_task_switch+0x1b5/0x900 [ 186.169539] ? trace_hardirqs_on+0xbd/0x310 [ 186.173871] ? kasan_check_read+0x11/0x20 [ 186.178017] ? finish_task_switch+0x1f5/0x900 [ 186.182513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 186.187960] ? compat_start_thread+0x80/0x80 [ 186.192383] ? pvclock_read_flags+0x160/0x160 [ 186.196887] ? __switch_to_asm+0x34/0x70 [ 186.200964] ? __switch_to_asm+0x34/0x70 [ 186.205034] ? __switch_to_asm+0x40/0x70 [ 186.209094] ? __switch_to_asm+0x40/0x70 [ 186.213148] ? __switch_to_asm+0x34/0x70 [ 186.217222] ? __switch_to_asm+0x40/0x70 [ 186.221287] ? trace_hardirqs_on+0xbd/0x310 [ 186.225606] ? kvm_sched_clock_read+0x9/0x20 [ 186.230014] ? run_ksoftirqd+0x94/0x100 [ 186.233985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.239521] ? check_preemption_disabled+0x48/0x200 [ 186.244536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.250079] run_timer_softirq+0x52/0xb0 [ 186.254144] ? __this_cpu_preempt_check+0x1c/0x1f [ 186.258987] __do_softirq+0x30b/0xad8 [ 186.262793] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 186.267903] ? schedule+0x108/0x460 [ 186.271534] ? trace_hardirqs_off+0xb8/0x310 [ 186.275952] ? smpboot_thread_fn+0x68b/0xa00 [ 186.280368] ? trace_hardirqs_on+0x310/0x310 [ 186.284795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 186.290358] ? check_preemption_disabled+0x48/0x200 [ 186.295388] ? takeover_tasklets+0xa90/0xa90 [ 186.299848] run_ksoftirqd+0x94/0x100 [ 186.303657] smpboot_thread_fn+0x68b/0xa00 [ 186.307899] ? sort_range+0x30/0x30 [ 186.311526] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.316631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 186.322165] ? __kthread_parkme+0xfb/0x1a0 [ 186.326401] kthread+0x35a/0x420 [ 186.329766] ? sort_range+0x30/0x30 [ 186.333387] ? kthread_bind+0x40/0x40 [ 186.337184] ret_from_fork+0x3a/0x50 [ 186.340901] warn_alloc_show_mem: 1 callbacks suppressed [ 186.340913] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 186.340915] Mem-Info: [ 186.340945] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 186.340945] active_file:16 inactive_file:13 isolated_file:0 [ 186.340945] unevictable:0 dirty:0 writeback:0 unstable:0 [ 186.340945] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 186.340945] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 186.340945] free:13630 free_pcp:242 free_cma:0 [ 186.346292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.353483] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 186.355857] Call Trace: [ 186.355891] [ 186.388768] Node 0 [ 186.398134] dump_stack+0x1c4/0x2b4 [ 186.425627] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 186.428193] ? dump_stack_print_info.cold.2+0x52/0x52 [ 186.430315] lowmem_reserve[]: [ 186.432554] warn_alloc.cold.119+0xb7/0x1bd [ 186.436156] 0 [ 186.461675] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 186.466844] 2819 6323 [ 186.469961] ? lock_downgrade+0x900/0x900 [ 186.474256] 6323 [ 186.476053] ? trace_hardirqs_off+0xb8/0x310 [ 186.480875] Node 0 [ 186.483375] ? trace_hardirqs_off+0xb8/0x310 [ 186.487521] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 186.489561] __alloc_pages_slowpath+0x2667/0x2d80 [ 186.493939] lowmem_reserve[]: [ 186.496184] ? warn_alloc+0x120/0x120 [ 186.500568] 0 [ 186.527545] ? trace_hardirqs_on+0x310/0x310 [ 186.532357] 0 3503 [ 186.535470] ? warn_alloc+0x120/0x120 [ 186.539244] 3503 [ 186.541043] ? warn_alloc+0x120/0x120 [ 186.547654] ? ktime_get+0x2e1/0x440 [ 186.551427] Node 0 [ 186.553490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.557292] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 186.560982] ? check_preemption_disabled+0x48/0x200 [ 186.563190] lowmem_reserve[]: [ 186.568719] ? kasan_check_read+0x11/0x20 [ 186.596978] 0 [ 186.601991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 186.605070] 0 [ 186.609213] ? should_fail+0x22d/0xd01 [ 186.610988] 0 [ 186.616521] ? rcu_bh_qs+0xc0/0xc0 [ 186.618296] 0 [ 186.622182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 186.627523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 186.629302] Node 0 [ 186.634400] ? should_fail+0x22d/0xd01 [ 186.639918] DMA: [ 186.642164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 186.646024] 1*4kB [ 186.648087] ? should_fail+0x22d/0xd01 [ 186.653164] (U) [ 186.655332] ? rcu_idle_enter+0x4b0/0x4b0 [ 186.659195] 0*8kB [ 186.661170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 186.665290] 0*16kB [ 186.667438] ? mark_held_locks+0x130/0x130 [ 186.672514] 1*32kB [ 186.674752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.678957] (U) [ 186.681193] ? mark_held_locks+0x130/0x130 [ 186.686704] 2*64kB [ 186.688682] ? rcu_irq_exit+0xce/0x100 [ 186.692894] (U) [ 186.695132] ? irq_exit+0xbd/0x1c0 [ 186.698995] 1*128kB [ 186.700970] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 186.704480] (U) [ 186.706804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.711794] 1*256kB [ 186.713771] ? smp_call_function_single_interrupt+0x650/0x650 [ 186.718150] (U) [ 186.720471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.726331] 0*512kB [ 186.728324] ? ret_from_intr+0xb/0x1e [ 186.733859] 1*1024kB [ 186.736174] ? retint_kernel+0x2d/0x2d [ 186.739947] (U) [ 186.742362] ? trace_hardirqs_on_caller+0xc0/0x310 [ 186.746217] 1*2048kB [ 186.748204] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 186.753118] (M) [ 186.755525] ? trace_hardirqs_off+0x310/0x310 [ 186.760254] 3*4096kB [ 186.762224] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.766692] (M) [ 186.769102] __alloc_pages_nodemask+0xa80/0xde0 [ 186.774177] = 15908kB [ 186.776153] ? should_fail+0x22d/0xd01 [ 186.780794] Node 0 [ 186.783200] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 186.787062] DMA32: [ 186.789303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 186.794284] 4*4kB [ 186.796529] ? lock_downgrade+0x900/0x900 [ 186.801170] (M) [ 186.803321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.807444] 0*8kB [ 186.809416] cache_grow_begin+0x91/0x8c0 [ 186.814932] 2*16kB [ 186.817081] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.821108] (M) 2*32kB [ 186.823360] fallback_alloc+0x203/0x2e0 [ 186.827732] (M) [ 186.830312] ____cache_alloc_node+0x1c7/0x1e0 [ 186.834258] 5*64kB [ 186.836232] kmem_cache_alloc_node+0xe3/0x730 [ 186.840700] (UM) [ 186.842937] ? ipv6_get_ifaddr+0x42e/0x620 [ 186.847404] 3*128kB [ 186.849465] __alloc_skb+0x119/0x770 [ 186.853673] (M) [ 186.855992] ? skb_scrub_packet+0x490/0x490 [ 186.859682] 4*256kB [ 186.861655] ? lock_downgrade+0x900/0x900 [ 186.865954] (UM) [ 186.868284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.872404] 3*512kB [ 186.874464] ? refcount_sub_and_test_checked+0x203/0x310 [ 186.879974] (M) [ 186.882295] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 186.887723] 3*1024kB [ 186.889693] ? addrconf_rs_timer+0x690/0x690 [ 186.895116] (UM) [ 186.897530] ndisc_alloc_skb+0x144/0x340 [ 186.901909] 1*2048kB [ 186.903971] ndisc_send_rs+0x331/0x6e0 [ 186.908018] (M) [ 186.910429] addrconf_rs_timer+0x314/0x690 [ 186.914290] 4*4096kB [ 186.916264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.920478] (M) [ 186.922899] call_timer_fn+0x272/0x920 [ 186.927102] = 24880kB [ 186.929073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.932936] Node 0 [ 186.935357] ? process_timeout+0x40/0x40 [ 186.939555] Normal: [ 186.941787] ? trace_hardirqs_off+0xb8/0x310 [ 186.945822] 719*4kB [ 186.948152] ? kasan_check_read+0x11/0x20 [ 186.952538] (ME) [ 186.954895] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.959015] 385*8kB [ 186.961073] ? trace_hardirqs_on+0x310/0x310 [ 186.965454] (UME) [ 186.967770] ? __run_timers+0x7da/0xc70 [ 186.972155] 182*16kB [ 186.974302] ? lock_downgrade+0x900/0x900 [ 186.978277] (ME) [ 186.980683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 186.984804] 99*32kB [ 186.986873] ? trace_hardirqs_on+0xbd/0x310 [ 186.991954] (UME) [ 186.994272] ? kasan_check_read+0x11/0x20 [ 186.998568] 27*64kB [ 187.000710] ? __run_timers+0x7da/0xc70 [ 187.004833] (UM) [ 187.007163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 187.011115] 0*128kB [ 187.013176] ? kasan_check_write+0x14/0x20 [ 187.018613] 0*256kB 0*512kB [ 187.020942] ? do_raw_spin_lock+0xc1/0x200 [ 187.025152] 0*1024kB [ 187.028166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.032376] 0*2048kB [ 187.034782] __run_timers+0x7e5/0xc70 [ 187.038993] 0*4096kB [ 187.041403] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 187.045183] = 13764kB [ 187.045198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.047602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 187.052947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.055348] ? rcu_bh_qs+0xc0/0xc0 [ 187.064248] 148 total pagecache pages [ 187.069522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.078072] 0 pages in swap cache [ 187.081611] ? check_preemption_disabled+0x48/0x200 [ 187.085387] Swap cache stats: add 0, delete 0, find 0/0 [ 187.090916] ? rcu_nmi_exit+0xdb/0x280 [ 187.094345] Free swap = 0kB [ 187.099364] ? ret_from_intr+0xb/0x1e [ 187.104701] Total swap = 0kB [ 187.108580] ? retint_kernel+0x2d/0x2d [ 187.111576] 1965979 pages RAM [ 187.115377] ? trace_hardirqs_on_caller+0xc0/0x310 [ 187.118371] 0 pages HighMem/MovableOnly [ 187.122255] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.125334] 342307 pages reserved [ 187.130263] ? trace_hardirqs_off+0x310/0x310 [ 187.134210] 0 pages cma reserved [ 187.134289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 187.138970] ? check_preemption_disabled+0x48/0x200 [ 187.138985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.139003] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.142478] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 187.146941] ? retint_kernel+0x2d/0x2d [ 187.150284] ksoftirqd/0 cpuset= [ 187.156771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.161760] / [ 187.167294] ? check_preemption_disabled+0x48/0x200 [ 187.172028] mems_allowed=0 [ 187.182331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.210103] run_timer_softirq+0x52/0xb0 [ 187.214168] ? __this_cpu_preempt_check+0x1c/0x1f [ 187.219010] __do_softirq+0x30b/0xad8 [ 187.222819] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 187.227937] ? pvclock_read_flags+0x160/0x160 [ 187.232432] ? lapic_next_event+0x5a/0x90 [ 187.236580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.242126] ? clockevents_program_event+0x140/0x370 [ 187.247259] ? kvm_clock_read+0x18/0x30 [ 187.251239] ? kvm_sched_clock_read+0x9/0x20 [ 187.255650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.261188] ? check_preemption_disabled+0x48/0x200 [ 187.266211] irq_exit+0x17f/0x1c0 [ 187.269671] smp_apic_timer_interrupt+0x1cb/0x760 [ 187.274510] ? smp_reschedule_interrupt+0x109/0x650 [ 187.279531] ? smp_call_function_single_interrupt+0x650/0x650 [ 187.285410] ? interrupt_entry+0xb5/0xf0 [ 187.289470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 187.294483] ? trace_hardirqs_off_caller+0xbb/0x310 [ 187.299506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 187.304345] ? trace_hardirqs_on_caller+0x310/0x310 [ 187.309371] ? trace_hardirqs_on_caller+0x310/0x310 [ 187.314389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.319929] ? check_preemption_disabled+0x48/0x200 [ 187.324940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.330481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 187.335328] apic_timer_interrupt+0xf/0x20 [ 187.339562] [ 187.341820] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 187.346773] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 187.366975] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 187.374681] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 187.381944] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 187.389211] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 187.396474] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 187.403940] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 187.411223] ? trace_hardirqs_on+0xb4/0x310 [ 187.415555] skb_clone+0x1bb/0x500 [ 187.419092] ? finish_task_switch+0x2f5/0x900 [ 187.423585] ? skb_split+0x11e0/0x11e0 [ 187.427474] ? preempt_notifier_register+0x200/0x200 [ 187.432574] ? __switch_to_asm+0x34/0x70 [ 187.436630] ? __switch_to_asm+0x34/0x70 [ 187.440687] ? __switch_to_asm+0x40/0x70 [ 187.444745] ? __switch_to_asm+0x34/0x70 [ 187.448800] ? __switch_to_asm+0x40/0x70 [ 187.452866] ? __switch_to_asm+0x34/0x70 [ 187.456927] ? __switch_to_asm+0x40/0x70 [ 187.460982] ? __switch_to_asm+0x34/0x70 [ 187.465044] ? __switch_to_asm+0x34/0x70 [ 187.469102] ? __switch_to_asm+0x40/0x70 [ 187.473156] ? __switch_to_asm+0x34/0x70 [ 187.477219] bpf_clone_redirect+0xb9/0x490 [ 187.481455] ? __schedule+0x874/0x1ed0 [ 187.485346] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 187.490373] ? __sched_text_start+0x8/0x8 [ 187.494517] ? retint_kernel+0x2d/0x2d [ 187.498402] ? retint_kernel+0x2d/0x2d [ 187.502289] ? trace_hardirqs_on_caller+0xc0/0x310 [ 187.507222] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.512469] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.517225] ? trace_hardirqs_off+0x310/0x310 [ 187.521727] ? lock_acquire+0x1ed/0x520 [ 187.525703] ? bpf_test_run+0x32e/0x5a0 [ 187.529677] ? lock_release+0x970/0x970 [ 187.533647] ? preempt_schedule+0x4d/0x60 [ 187.537797] ? preempt_schedule_common+0x1f/0xd0 [ 187.542572] ? preempt_schedule+0x4d/0x60 [ 187.546729] ? ___preempt_schedule+0x16/0x18 [ 187.551139] ? bpf_test_run+0x1c0/0x5a0 [ 187.555118] ? netlink_diag_dump+0x2a0/0x2a0 [ 187.559529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 187.565063] ? bpf_test_init.isra.9+0x70/0x100 [ 187.569647] ? bpf_prog_test_run_skb+0x634/0xb40 [ 187.574407] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 187.579247] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 187.584778] ? fput+0x130/0x1a0 [ 187.588059] ? __bpf_prog_get+0x9b/0x290 [ 187.592117] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 187.596955] ? bpf_prog_test_run+0x130/0x1a0 [ 187.601370] ? __x64_sys_bpf+0x3d8/0x510 [ 187.605430] ? bpf_prog_get+0x20/0x20 [ 187.609246] ? do_syscall_64+0x1b9/0x820 [ 187.613310] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 187.618672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 187.623598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 187.628443] ? trace_hardirqs_on_caller+0x310/0x310 [ 187.633457] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 187.638470] ? prepare_exit_to_usermode+0x291/0x3b0 [ 187.643487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 187.648333] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.653712] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 187.653764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 187.660475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.660479] Call Trace: [ 187.660501] dump_stack+0x1c4/0x2b4 [ 187.660519] ? dump_stack_print_info.cold.2+0x52/0x52 [ 187.667042] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 187.676347] warn_alloc.cold.119+0xb7/0x1bd [ 187.678915] syz-executor0 cpuset= [ 187.682537] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 187.687701] syz0 [ 187.698181] ? lock_downgrade+0x900/0x900 [ 187.702478] mems_allowed=0 [ 187.705927] ? trace_hardirqs_off+0xb8/0x310 [ 187.724166] ? trace_hardirqs_off+0xb8/0x310 [ 187.728579] __alloc_pages_slowpath+0x2667/0x2d80 [ 187.733444] ? warn_alloc+0x120/0x120 [ 187.737246] ? warn_alloc+0x120/0x120 [ 187.741050] ? warn_alloc+0x120/0x120 [ 187.744861] ? mark_held_locks+0x130/0x130 [ 187.749103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.754638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 187.760176] ? should_fail+0x22d/0xd01 [ 187.764065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 187.769167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 187.774700] ? should_fail+0x22d/0xd01 [ 187.778591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 187.783690] ? should_fail+0x22d/0xd01 [ 187.787582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 187.792686] ? mark_held_locks+0x130/0x130 [ 187.796921] ? mark_held_locks+0x130/0x130 [ 187.801157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.806877] ? trace_hardirqs_off+0xb8/0x310 [ 187.811284] ? kasan_check_read+0x11/0x20 [ 187.815431] ? do_raw_spin_unlock+0xa7/0x2f0 [ 187.819847] ? trace_hardirqs_on+0x310/0x310 [ 187.824276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.829815] ? wq_watchdog_touch+0x9c/0xfe [ 187.834064] ? io_serial_in+0x11/0x90 [ 187.837875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.843427] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.848536] __alloc_pages_nodemask+0xa80/0xde0 [ 187.853202] ? should_fail+0x22d/0xd01 [ 187.857093] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 187.862126] ? ____cache_alloc_node+0x1c7/0x1e0 [ 187.866791] ? lock_downgrade+0x900/0x900 [ 187.870942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.876482] cache_grow_begin+0x91/0x8c0 [ 187.880541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 187.884997] fallback_alloc+0x203/0x2e0 [ 187.888972] ____cache_alloc_node+0x1c7/0x1e0 [ 187.893470] kmem_cache_alloc_node+0xe3/0x730 [ 187.897966] ? ipv6_get_ifaddr+0x42e/0x620 [ 187.902206] __alloc_skb+0x119/0x770 [ 187.905927] ? skb_scrub_packet+0x490/0x490 [ 187.910249] ? lock_downgrade+0x900/0x900 [ 187.914397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.919934] ? refcount_sub_and_test_checked+0x203/0x310 [ 187.925383] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 187.930833] ? addrconf_rs_timer+0x690/0x690 [ 187.935274] ndisc_alloc_skb+0x144/0x340 [ 187.939341] ndisc_send_rs+0x331/0x6e0 [ 187.943231] addrconf_rs_timer+0x314/0x690 [ 187.947462] ? lock_release+0x970/0x970 [ 187.951437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.955679] call_timer_fn+0x272/0x920 [ 187.959563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.963796] ? process_timeout+0x40/0x40 [ 187.967864] ? kasan_check_read+0x11/0x20 [ 187.972015] ? do_raw_spin_unlock+0xa7/0x2f0 [ 187.976425] ? trace_hardirqs_on+0x310/0x310 [ 187.980834] ? __run_timers+0x7da/0xc70 [ 187.984828] ? lock_downgrade+0x900/0x900 [ 187.988996] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 187.994102] ? trace_hardirqs_on+0xbd/0x310 [ 187.998418] ? kasan_check_read+0x11/0x20 [ 188.002567] ? __run_timers+0x7da/0xc70 [ 188.006543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 188.011993] ? kasan_check_write+0x14/0x20 [ 188.016229] ? do_raw_spin_lock+0xc1/0x200 [ 188.020482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.024735] __run_timers+0x7e5/0xc70 [ 188.028548] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 188.033908] ? lock_downgrade+0x900/0x900 [ 188.038053] ? finish_task_switch+0x1b5/0x900 [ 188.042547] ? trace_hardirqs_on+0xbd/0x310 [ 188.046878] ? kasan_check_read+0x11/0x20 [ 188.051025] ? finish_task_switch+0x1f5/0x900 [ 188.055520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 188.060967] ? compat_start_thread+0x80/0x80 [ 188.065386] ? pvclock_read_flags+0x160/0x160 [ 188.069879] ? __switch_to_asm+0x34/0x70 [ 188.073938] ? __switch_to_asm+0x34/0x70 [ 188.077997] ? __switch_to_asm+0x40/0x70 [ 188.082058] ? __switch_to_asm+0x40/0x70 [ 188.086119] ? __switch_to_asm+0x34/0x70 [ 188.090218] ? __switch_to_asm+0x40/0x70 [ 188.094304] ? trace_hardirqs_on+0xbd/0x310 [ 188.098630] ? kvm_sched_clock_read+0x9/0x20 [ 188.103037] ? run_ksoftirqd+0x94/0x100 [ 188.107010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.112548] ? check_preemption_disabled+0x48/0x200 [ 188.117564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.123102] run_timer_softirq+0x52/0xb0 [ 188.127166] ? __this_cpu_preempt_check+0x1c/0x1f [ 188.132020] __do_softirq+0x30b/0xad8 [ 188.135846] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 188.140964] ? schedule+0x108/0x460 [ 188.144600] ? trace_hardirqs_off+0xb8/0x310 [ 188.149010] ? smpboot_thread_fn+0x68b/0xa00 [ 188.153415] ? trace_hardirqs_on+0x310/0x310 [ 188.157825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 188.163376] ? check_preemption_disabled+0x48/0x200 [ 188.168423] ? takeover_tasklets+0xa90/0xa90 [ 188.172830] run_ksoftirqd+0x94/0x100 [ 188.176648] smpboot_thread_fn+0x68b/0xa00 [ 188.180889] ? sort_range+0x30/0x30 [ 188.184513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 188.189617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 188.195150] ? __kthread_parkme+0xfb/0x1a0 [ 188.199389] kthread+0x35a/0x420 [ 188.202756] ? sort_range+0x30/0x30 [ 188.206384] ? kthread_bind+0x40/0x40 [ 188.210184] ret_from_fork+0x3a/0x50 [ 188.213905] warn_alloc_show_mem: 1 callbacks suppressed [ 188.213918] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 188.213920] Mem-Info: [ 188.213950] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 188.213950] active_file:16 inactive_file:13 isolated_file:0 [ 188.213950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 188.213950] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 188.213950] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 188.213950] free:13630 free_pcp:242 free_cma:0 [ 188.219293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.226486] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 188.228896] Call Trace: [ 188.261764] Node 0 [ 188.271113] [ 188.298622] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 188.301184] dump_stack+0x1c4/0x2b4 [ 188.303392] lowmem_reserve[]: [ 188.305542] ? dump_stack_print_info.cold.2+0x52/0x52 [ 188.331019] 0 [ 188.334651] warn_alloc.cold.119+0xb7/0x1bd [ 188.337727] 2819 [ 188.342919] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 188.344697] 6323 [ 188.349022] ? lock_downgrade+0x900/0x900 [ 188.351056] 6323 [ 188.355908] ? trace_hardirqs_off+0xb8/0x310 [ 188.362095] ? trace_hardirqs_off+0xb8/0x310 [ 188.364132] Node 0 [ 188.368541] __alloc_pages_slowpath+0x2667/0x2d80 [ 188.372954] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 188.375181] ? warn_alloc+0x120/0x120 [ 188.379994] lowmem_reserve[]: [ 188.406998] ? warn_alloc+0x120/0x120 [ 188.410782] 0 [ 188.413894] ? warn_alloc+0x120/0x120 [ 188.417671] 0 [ 188.419474] ? mark_held_locks+0x130/0x130 [ 188.423250] 3503 [ 188.425057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.429265] 3503 [ 188.431334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 188.438952] ? should_fail+0x22d/0xd01 [ 188.444468] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 188.448384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 188.448404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 188.477270] lowmem_reserve[]: 0 [ 188.482398] ? should_fail+0x22d/0xd01 [ 188.487913] 0 [ 188.491196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 188.495055] 0 [ 188.496862] ? should_fail+0x22d/0xd01 [ 188.501948] 0 [ 188.503748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 188.509412] ? mark_held_locks+0x130/0x130 [ 188.514493] Node 0 DMA: [ 188.518721] ? mark_held_locks+0x130/0x130 [ 188.518739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.521388] 1*4kB [ 188.525624] ? mark_held_locks+0x130/0x130 [ 188.531135] (U) [ 188.533283] ? trace_hardirqs_on+0x310/0x310 [ 188.537493] 0*8kB [ 188.539467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.543859] 0*16kB [ 188.546002] ? wq_watchdog_touch+0x9c/0xfe [ 188.551516] 1*32kB [ 188.553746] ? io_serial_in+0x11/0x90 [ 188.557958] (U) [ 188.560195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.563970] 2*64kB [ 188.565943] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 188.571452] (U) [ 188.573693] __alloc_pages_nodemask+0xa80/0xde0 [ 188.578766] 1*128kB [ 188.580735] ? should_fail+0x22d/0xd01 [ 188.585379] (U) [ 188.587700] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 188.591563] 1*256kB [ 188.593555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 188.598535] (U) [ 188.600871] ? lock_downgrade+0x900/0x900 [ 188.605515] 0*512kB [ 188.607488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.611611] 1*1024kB [ 188.613930] cache_grow_begin+0x91/0x8c0 [ 188.619439] (U) [ 188.621858] ? do_raw_spin_unlock+0xa7/0x2f0 [ 188.625896] 1*2048kB [ 188.627872] fallback_alloc+0x203/0x2e0 [ 188.632255] (M) [ 188.634659] ____cache_alloc_node+0x1c7/0x1e0 [ 188.638608] 3*4096kB [ 188.640579] kmem_cache_alloc_node+0xe3/0x730 [ 188.645050] (M) [ 188.647461] ? ipv6_get_ifaddr+0x42e/0x620 [ 188.651931] = 15908kB [ 188.653904] __alloc_skb+0x119/0x770 [ 188.658111] Node 0 [ 188.660513] ? skb_scrub_packet+0x490/0x490 [ 188.664202] DMA32: [ 188.666434] ? lock_downgrade+0x900/0x900 [ 188.670728] 4*4kB [ 188.672963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.677084] (M) [ 188.679231] ? refcount_sub_and_test_checked+0x203/0x310 [ 188.684740] 0*8kB [ 188.686709] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 188.692137] 2*16kB [ 188.694282] ? addrconf_rs_timer+0x690/0x690 [ 188.699707] (M) [ 188.701946] ndisc_alloc_skb+0x144/0x340 [ 188.706420] 2*32kB [ 188.708398] ndisc_send_rs+0x331/0x6e0 [ 188.712434] (M) [ 188.714668] addrconf_rs_timer+0x314/0x690 [ 188.718531] 5*64kB [ 188.720502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.724726] (UM) [ 188.726961] call_timer_fn+0x272/0x920 [ 188.731169] 3*128kB [ 188.733230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.737091] (M) [ 188.739409] ? process_timeout+0x40/0x40 [ 188.743618] 4*256kB [ 188.745589] ? trace_hardirqs_off+0xb8/0x310 [ 188.749623] (UM) [ 188.751944] ? kasan_check_read+0x11/0x20 [ 188.756329] 3*512kB [ 188.758394] ? do_raw_spin_unlock+0xa7/0x2f0 [ 188.762518] (M) [ 188.764850] ? trace_hardirqs_on+0x310/0x310 [ 188.769243] 3*1024kB [ 188.771219] ? __run_timers+0x7da/0xc70 [ 188.775600] (UM) [ 188.778008] ? lock_downgrade+0x900/0x900 [ 188.781960] 1*2048kB [ 188.784021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 188.788140] (M) [ 188.790545] ? trace_hardirqs_on+0xbd/0x310 [ 188.795625] 4*4096kB [ 188.797593] ? kasan_check_read+0x11/0x20 [ 188.801894] (M) [ 188.804302] ? __run_timers+0x7da/0xc70 [ 188.808424] = 24880kB [ 188.810393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 188.814362] Node 0 [ 188.816769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.822191] Normal: [ 188.824427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.829948] 719*4kB [ 188.832267] __run_timers+0x7e5/0xc70 [ 188.836476] (ME) [ 188.838798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 188.842571] 385*8kB [ 188.844630] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 188.849979] (UME) [ 188.852322] ? rcu_bh_qs+0xc0/0xc0 [ 188.857578] 182*16kB [ 188.859728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.863241] (ME) [ 188.865649] ? check_preemption_disabled+0x48/0x200 [ 188.871160] 99*32kB [ 188.873215] ? rcu_nmi_exit+0xdb/0x280 [ 188.878203] (UME) [ 188.880526] ? ret_from_intr+0xb/0x1e [ 188.884388] 27*64kB [ 188.886533] ? retint_kernel+0x2d/0x2d [ 188.890310] (UM) [ 188.892629] ? trace_hardirqs_on_caller+0xc0/0x310 [ 188.896497] 0*128kB [ 188.898557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.903462] 0*256kB [ 188.905779] ? trace_hardirqs_off+0x310/0x310 [ 188.910511] 0*512kB [ 188.912847] ? check_preemption_disabled+0x48/0x200 [ 188.917322] 0*1024kB [ 188.919640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.924630] 0*2048kB [ 188.927041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.932551] 0*4096kB [ 188.934957] ? retint_kernel+0x2d/0x2d [ 188.939686] = 13764kB [ 188.942091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.945961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 188.948367] ? check_preemption_disabled+0x48/0x200 [ 188.953886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 188.962735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.967725] 148 total pagecache pages [ 188.976295] run_timer_softirq+0x52/0xb0 [ 188.981812] 0 pages in swap cache [ 188.985617] ? __this_cpu_preempt_check+0x1c/0x1f [ 188.989660] Swap cache stats: add 0, delete 0, find 0/0 [ 188.993108] __do_softirq+0x30b/0xad8 [ 188.997926] Free swap = 0kB [ 189.003286] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 189.007062] Total swap = 0kB [ 189.010076] ? pvclock_read_flags+0x160/0x160 [ 189.015154] 1965979 pages RAM [ 189.018167] ? lapic_next_event+0x5a/0x90 [ 189.022637] 0 pages HighMem/MovableOnly [ 189.025755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.029882] 342307 pages reserved [ 189.033861] ? clockevents_program_event+0x140/0x370 [ 189.039393] 0 pages cma reserved [ 189.042850] ? kvm_clock_read+0x18/0x30 [ 189.047988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 189.051292] ? kvm_sched_clock_read+0x9/0x20 [ 189.051307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.051327] ? check_preemption_disabled+0x48/0x200 [ 189.055320] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 189.061767] irq_exit+0x17f/0x1c0 [ 189.066153] ksoftirqd/0 cpuset= [ 189.071686] smp_apic_timer_interrupt+0x1cb/0x760 [ 189.076675] / [ 189.086981] ? smp_reschedule_interrupt+0x109/0x650 [ 189.090410] mems_allowed=0 [ 189.093683] ? smp_call_function_single_interrupt+0x650/0x650 [ 189.113988] ? interrupt_entry+0xb5/0xf0 [ 189.118051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 189.123068] ? trace_hardirqs_off_caller+0xbb/0x310 [ 189.128085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.132926] ? trace_hardirqs_on_caller+0x310/0x310 [ 189.137940] ? trace_hardirqs_on_caller+0x310/0x310 [ 189.142963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.148504] ? check_preemption_disabled+0x48/0x200 [ 189.153520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.159060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.163907] apic_timer_interrupt+0xf/0x20 [ 189.168138] [ 189.170383] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 189.175311] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 189.194209] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 189.201920] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 189.209187] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 189.216450] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 189.223712] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 189.230975] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 189.238259] ? trace_hardirqs_on+0xb4/0x310 [ 189.242593] skb_clone+0x1bb/0x500 [ 189.246136] ? finish_task_switch+0x2f5/0x900 [ 189.250648] ? skb_split+0x11e0/0x11e0 [ 189.254535] ? preempt_notifier_register+0x200/0x200 [ 189.259640] ? __switch_to_asm+0x34/0x70 [ 189.263699] ? __switch_to_asm+0x34/0x70 [ 189.267756] ? __switch_to_asm+0x40/0x70 [ 189.271811] ? __switch_to_asm+0x34/0x70 [ 189.275908] ? __switch_to_asm+0x40/0x70 [ 189.279966] ? __switch_to_asm+0x34/0x70 [ 189.284022] ? __switch_to_asm+0x40/0x70 [ 189.288078] ? __switch_to_asm+0x34/0x70 [ 189.292136] ? __switch_to_asm+0x34/0x70 [ 189.296196] ? __switch_to_asm+0x40/0x70 [ 189.300255] ? __switch_to_asm+0x34/0x70 [ 189.304320] bpf_clone_redirect+0xb9/0x490 [ 189.308561] ? __schedule+0x874/0x1ed0 [ 189.312450] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 189.317467] ? __sched_text_start+0x8/0x8 [ 189.321611] ? retint_kernel+0x2d/0x2d [ 189.325493] ? retint_kernel+0x2d/0x2d [ 189.329385] ? trace_hardirqs_on_caller+0xc0/0x310 [ 189.334315] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 189.339068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 189.343820] ? trace_hardirqs_off+0x310/0x310 [ 189.348330] ? lock_acquire+0x1ed/0x520 [ 189.352309] ? bpf_test_run+0x32e/0x5a0 [ 189.356303] ? lock_release+0x970/0x970 [ 189.360283] ? preempt_schedule+0x4d/0x60 [ 189.364432] ? preempt_schedule_common+0x1f/0xd0 [ 189.369192] ? preempt_schedule+0x4d/0x60 [ 189.373342] ? ___preempt_schedule+0x16/0x18 [ 189.377774] ? bpf_test_run+0x1c0/0x5a0 [ 189.381753] ? netlink_diag_dump+0x2a0/0x2a0 [ 189.386160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.391695] ? bpf_test_init.isra.9+0x70/0x100 [ 189.396274] ? bpf_prog_test_run_skb+0x634/0xb40 [ 189.401031] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 189.406142] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 189.411680] ? fput+0x130/0x1a0 [ 189.414960] ? __bpf_prog_get+0x9b/0x290 [ 189.419019] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 189.423862] ? bpf_prog_test_run+0x130/0x1a0 [ 189.428275] ? __x64_sys_bpf+0x3d8/0x510 [ 189.432342] ? bpf_prog_get+0x20/0x20 [ 189.436171] ? do_syscall_64+0x1b9/0x820 [ 189.440229] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.445616] ? syscall_return_slowpath+0x5e0/0x5e0 [ 189.450544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.455386] ? trace_hardirqs_on_caller+0x310/0x310 [ 189.460410] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 189.465427] ? prepare_exit_to_usermode+0x291/0x3b0 [ 189.470443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.475292] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.480664] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 189.480716] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 189.487431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.487440] Call Trace: [ 189.494012] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 189.503276] dump_stack+0x1c4/0x2b4 [ 189.503292] ? dump_stack_print_info.cold.2+0x52/0x52 [ 189.503313] warn_alloc.cold.119+0xb7/0x1bd [ 189.505880] syz-executor0 cpuset= [ 189.516579] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 189.520192] syz0 [ 189.525386] ? lock_downgrade+0x900/0x900 [ 189.529684] mems_allowed=0 [ 189.533135] ? trace_hardirqs_off+0xb8/0x310 [ 189.551364] ? trace_hardirqs_off+0xb8/0x310 [ 189.555777] __alloc_pages_slowpath+0x2667/0x2d80 [ 189.560636] ? warn_alloc+0x120/0x120 [ 189.564441] ? warn_alloc+0x120/0x120 [ 189.568246] ? warn_alloc+0x120/0x120 [ 189.572049] ? mark_held_locks+0x130/0x130 [ 189.576288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.581822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.587374] ? should_fail+0x22d/0xd01 [ 189.591263] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 189.596365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.601932] ? should_fail+0x22d/0xd01 [ 189.605821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 189.610935] ? should_fail+0x22d/0xd01 [ 189.614824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 189.619943] ? mark_held_locks+0x130/0x130 [ 189.624180] ? mark_held_locks+0x130/0x130 [ 189.628411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.633952] ? trace_hardirqs_off+0xb8/0x310 [ 189.638362] ? kasan_check_read+0x11/0x20 [ 189.642518] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.646949] ? trace_hardirqs_on+0x310/0x310 [ 189.651356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.656895] ? wq_watchdog_touch+0x9c/0xfe [ 189.661132] ? io_serial_in+0x11/0x90 [ 189.664934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.670474] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 189.675582] __alloc_pages_nodemask+0xa80/0xde0 [ 189.680250] ? should_fail+0x22d/0xd01 [ 189.684138] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 189.689167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 189.693846] ? lock_downgrade+0x900/0x900 [ 189.698004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.703541] cache_grow_begin+0x91/0x8c0 [ 189.707607] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.712017] fallback_alloc+0x203/0x2e0 [ 189.715995] ____cache_alloc_node+0x1c7/0x1e0 [ 189.720492] kmem_cache_alloc_node+0xe3/0x730 [ 189.724990] ? ipv6_get_ifaddr+0x42e/0x620 [ 189.729233] __alloc_skb+0x119/0x770 [ 189.732953] ? skb_scrub_packet+0x490/0x490 [ 189.737272] ? lock_downgrade+0x900/0x900 [ 189.741423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.746958] ? refcount_sub_and_test_checked+0x203/0x310 [ 189.752406] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 189.757870] ? addrconf_rs_timer+0x690/0x690 [ 189.762286] ndisc_alloc_skb+0x144/0x340 [ 189.766349] ndisc_send_rs+0x331/0x6e0 [ 189.770247] addrconf_rs_timer+0x314/0x690 [ 189.774483] ? lock_release+0x970/0x970 [ 189.778458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.782699] call_timer_fn+0x272/0x920 [ 189.786586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.790820] ? process_timeout+0x40/0x40 [ 189.794892] ? kasan_check_read+0x11/0x20 [ 189.799042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.803450] ? trace_hardirqs_on+0x310/0x310 [ 189.807878] ? __run_timers+0x7da/0xc70 [ 189.811868] ? lock_downgrade+0x900/0x900 [ 189.816104] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 189.821207] ? trace_hardirqs_on+0xbd/0x310 [ 189.825522] ? kasan_check_read+0x11/0x20 [ 189.829666] ? __run_timers+0x7da/0xc70 [ 189.833638] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 189.839085] ? kasan_check_write+0x14/0x20 [ 189.843317] ? do_raw_spin_lock+0xc1/0x200 [ 189.847553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.851791] __run_timers+0x7e5/0xc70 [ 189.855604] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 189.860967] ? lock_downgrade+0x900/0x900 [ 189.865116] ? finish_task_switch+0x1b5/0x900 [ 189.869612] ? trace_hardirqs_on+0xbd/0x310 [ 189.873931] ? kasan_check_read+0x11/0x20 [ 189.878082] ? finish_task_switch+0x1f5/0x900 [ 189.882581] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 189.888033] ? compat_start_thread+0x80/0x80 [ 189.892448] ? pvclock_read_flags+0x160/0x160 [ 189.896945] ? __switch_to_asm+0x34/0x70 [ 189.901002] ? __switch_to_asm+0x34/0x70 [ 189.905062] ? __switch_to_asm+0x40/0x70 [ 189.909118] ? __switch_to_asm+0x40/0x70 [ 189.913172] ? __switch_to_asm+0x34/0x70 [ 189.917226] ? __switch_to_asm+0x40/0x70 [ 189.921288] ? trace_hardirqs_on+0xbd/0x310 [ 189.925615] ? kvm_sched_clock_read+0x9/0x20 [ 189.930028] ? run_ksoftirqd+0x94/0x100 [ 189.934000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.939535] ? check_preemption_disabled+0x48/0x200 [ 189.944548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.950086] run_timer_softirq+0x52/0xb0 [ 189.954151] ? __this_cpu_preempt_check+0x1c/0x1f [ 189.958996] __do_softirq+0x30b/0xad8 [ 189.962805] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 189.968032] ? schedule+0x108/0x460 [ 189.971665] ? trace_hardirqs_off+0xb8/0x310 [ 189.976076] ? smpboot_thread_fn+0x68b/0xa00 [ 189.980482] ? trace_hardirqs_on+0x310/0x310 [ 189.984896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.990432] ? check_preemption_disabled+0x48/0x200 [ 189.995449] ? takeover_tasklets+0xa90/0xa90 [ 189.999870] run_ksoftirqd+0x94/0x100 [ 190.003675] smpboot_thread_fn+0x68b/0xa00 [ 190.007913] ? sort_range+0x30/0x30 [ 190.011542] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 190.016642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.022178] ? __kthread_parkme+0xfb/0x1a0 [ 190.026415] kthread+0x35a/0x420 [ 190.029781] ? sort_range+0x30/0x30 [ 190.033402] ? kthread_bind+0x40/0x40 [ 190.037200] ret_from_fork+0x3a/0x50 [ 190.040919] warn_alloc_show_mem: 1 callbacks suppressed [ 190.040931] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 190.040933] Mem-Info: [ 190.040963] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 190.040963] active_file:16 inactive_file:13 isolated_file:0 [ 190.040963] unevictable:0 dirty:0 writeback:0 unstable:0 [ 190.040963] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 190.040963] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 190.040963] free:13630 free_pcp:242 free_cma:0 [ 190.046315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.053505] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 190.055905] Call Trace: [ 190.088777] Node 0 [ 190.098136] [ 190.125652] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 190.128228] dump_stack+0x1c4/0x2b4 [ 190.130444] lowmem_reserve[]: [ 190.132595] ? dump_stack_print_info.cold.2+0x52/0x52 [ 190.158068] 0 2819 [ 190.161715] warn_alloc.cold.119+0xb7/0x1bd [ 190.164789] 6323 [ 190.169976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 190.172190] 6323 [ 190.176509] ? lock_downgrade+0x900/0x900 [ 190.183384] ? trace_hardirqs_off+0xb8/0x310 [ 190.185426] Node 0 [ 190.189567] ? trace_hardirqs_off+0xb8/0x310 [ 190.193980] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 190.196192] __alloc_pages_slowpath+0x2667/0x2d80 [ 190.200571] lowmem_reserve[]: [ 190.227577] ? warn_alloc+0x120/0x120 [ 190.232389] 0 [ 190.235493] ? trace_hardirqs_on+0x310/0x310 [ 190.239279] 0 [ 190.241078] ? warn_alloc+0x120/0x120 [ 190.245458] 3503 [ 190.247258] ? warn_alloc+0x120/0x120 [ 190.251033] 3503 [ 190.253091] ? ktime_get+0x2e1/0x440 [ 190.258931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.262616] Node 0 [ 190.268145] ? check_preemption_disabled+0x48/0x200 [ 190.268184] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 190.268194] lowmem_reserve[]: [ 190.270423] ? kasan_check_read+0x11/0x20 [ 190.275421] 0 [ 190.303711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.306800] 0 [ 190.310945] ? should_fail+0x22d/0xd01 [ 190.312730] 0 [ 190.318269] ? rcu_bh_qs+0xc0/0xc0 [ 190.320049] 0 [ 190.323939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 190.329249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.331025] Node 0 [ 190.336125] ? should_fail+0x22d/0xd01 [ 190.341635] DMA: [ 190.343879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 190.347745] 1*4kB [ 190.349802] ? should_fail+0x22d/0xd01 [ 190.354888] (U) [ 190.357044] ? rcu_idle_enter+0x4b0/0x4b0 [ 190.360906] 0*8kB [ 190.362885] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 190.367011] 0*16kB [ 190.369156] ? mark_held_locks+0x130/0x130 [ 190.374235] 1*32kB [ 190.376472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.380680] (U) [ 190.382918] ? mark_held_locks+0x130/0x130 [ 190.388431] 2*64kB [ 190.390405] ? rcu_irq_exit+0xce/0x100 [ 190.390427] ? irq_exit+0xbd/0x1c0 [ 190.394652] (U) [ 190.396891] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 190.400751] 1*128kB [ 190.404289] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.406239] (U) [ 190.411260] ? smp_call_function_single_interrupt+0x650/0x650 [ 190.413563] 1*256kB (U) [ 190.417979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.419929] 0*512kB [ 190.425808] ? ret_from_intr+0xb/0x1e [ 190.428469] 1*1024kB [ 190.433999] ? retint_kernel+0x2d/0x2d [ 190.436303] (U) [ 190.440104] ? trace_hardirqs_on_caller+0xc0/0x310 [ 190.442505] 1*2048kB [ 190.446394] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.448344] (M) [ 190.453273] ? trace_hardirqs_off+0x310/0x310 [ 190.455676] 3*4096kB [ 190.460435] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 190.462397] (M) [ 190.466890] __alloc_pages_nodemask+0xa80/0xde0 [ 190.469280] = 15908kB [ 190.474388] ? should_fail+0x22d/0xd01 [ 190.476345] Node 0 [ 190.481021] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 190.483433] DMA32: [ 190.487322] ? ____cache_alloc_node+0x1c7/0x1e0 [ 190.489532] 4*4kB [ 190.494542] ? lock_downgrade+0x900/0x900 [ 190.496755] (M) [ 190.501421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.503553] 0*8kB [ 190.507696] cache_grow_begin+0x91/0x8c0 [ 190.509650] 2*16kB [ 190.515187] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.517312] (M) [ 190.521374] fallback_alloc+0x203/0x2e0 [ 190.523593] 2*32kB [ 190.527998] ____cache_alloc_node+0x1c7/0x1e0 [ 190.529952] (M) [ 190.533921] kmem_cache_alloc_node+0xe3/0x730 [ 190.536136] 5*64kB [ 190.540626] ? ipv6_get_ifaddr+0x42e/0x620 [ 190.542577] (UM) [ 190.547066] __alloc_skb+0x119/0x770 [ 190.549281] 3*128kB [ 190.553511] ? skb_scrub_packet+0x490/0x490 [ 190.555552] (M) [ 190.559263] ? lock_downgrade+0x900/0x900 [ 190.561561] 4*256kB [ 190.565882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.567833] (UM) [ 190.571986] ? refcount_sub_and_test_checked+0x203/0x310 [ 190.574282] 3*512kB [ 190.579814] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 190.581864] (M) [ 190.587314] ? addrconf_rs_timer+0x690/0x690 [ 190.589616] 3*1024kB [ 190.595071] ndisc_alloc_skb+0x144/0x340 [ 190.597046] (UM) [ 190.601449] ndisc_send_rs+0x331/0x6e0 [ 190.603856] 1*2048kB [ 190.607908] addrconf_rs_timer+0x314/0x690 [ 190.609954] (M) [ 190.613845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.616241] 4*4096kB [ 190.620473] call_timer_fn+0x272/0x920 [ 190.622420] (M) [ 190.626650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.629040] = 24880kB [ 190.632920] ? process_timeout+0x40/0x40 [ 190.634878] Node 0 [ 190.639106] ? trace_hardirqs_off+0xb8/0x310 [ 190.641492] Normal: [ 190.645544] ? kasan_check_read+0x11/0x20 [ 190.647761] 719*4kB [ 190.652166] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.654464] (ME) [ 190.658609] ? trace_hardirqs_on+0x310/0x310 [ 190.660910] 385*8kB [ 190.665314] ? __run_timers+0x7da/0xc70 [ 190.667357] (UME) [ 190.671770] ? lock_downgrade+0x900/0x900 [ 190.674069] 182*16kB [ 190.678040] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 190.680167] (ME) [ 190.684317] ? trace_hardirqs_on+0xbd/0x310 [ 190.686706] 99*32kB [ 190.691809] ? kasan_check_read+0x11/0x20 [ 190.693938] (UME) [ 190.698257] ? __run_timers+0x7da/0xc70 [ 190.700557] 27*64kB [ 190.704703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 190.706830] (UM) [ 190.710811] ? kasan_check_write+0x14/0x20 [ 190.713116] 0*128kB [ 190.718564] ? do_raw_spin_lock+0xc1/0x200 [ 190.720608] 0*256kB [ 190.724847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.727153] 0*512kB [ 190.731389] __run_timers+0x7e5/0xc70 [ 190.733689] 0*1024kB [ 190.737923] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 190.740216] 0*2048kB [ 190.744011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 190.746396] 0*4096kB [ 190.751752] ? rcu_bh_qs+0xc0/0xc0 [ 190.754141] = 13764kB [ 190.759420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.761814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 190.765346] ? check_preemption_disabled+0x48/0x200 [ 190.767736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 190.773264] ? rcu_nmi_exit+0xdb/0x280 [ 190.782072] 148 total pagecache pages [ 190.787083] ? ret_from_intr+0xb/0x1e [ 190.795640] 0 pages in swap cache [ 190.799521] ? retint_kernel+0x2d/0x2d [ 190.803301] Swap cache stats: add 0, delete 0, find 0/0 [ 190.807091] ? trace_hardirqs_on_caller+0xc0/0x310 [ 190.810518] Free swap = 0kB [ 190.810527] Total swap = 0kB [ 190.814415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.819755] 1965979 pages RAM [ 190.824679] ? trace_hardirqs_off+0x310/0x310 [ 190.827678] 0 pages HighMem/MovableOnly [ 190.830702] ? check_preemption_disabled+0x48/0x200 [ 190.835428] 342307 pages reserved [ 190.838529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.843005] 0 pages cma reserved [ 190.846977] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.852024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 190.855857] ? retint_kernel+0x2d/0x2d [ 190.861445] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 190.864742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.869474] ksoftirqd/0 cpuset= [ 190.875969] ? check_preemption_disabled+0x48/0x200 [ 190.879825] / [ 190.890140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.895656] mems_allowed=0 [ 190.898933] run_timer_softirq+0x52/0xb0 [ 190.918111] ? __this_cpu_preempt_check+0x1c/0x1f [ 190.922955] __do_softirq+0x30b/0xad8 [ 190.926764] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 190.931871] ? pvclock_read_flags+0x160/0x160 [ 190.936369] ? lapic_next_event+0x5a/0x90 [ 190.940517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.946057] ? clockevents_program_event+0x140/0x370 [ 190.951161] ? kvm_clock_read+0x18/0x30 [ 190.955130] ? kvm_sched_clock_read+0x9/0x20 [ 190.959537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.965077] ? check_preemption_disabled+0x48/0x200 [ 190.970103] irq_exit+0x17f/0x1c0 [ 190.973557] smp_apic_timer_interrupt+0x1cb/0x760 [ 190.978399] ? smp_reschedule_interrupt+0x109/0x650 [ 190.983414] ? smp_call_function_single_interrupt+0x650/0x650 [ 190.989298] ? interrupt_entry+0xb5/0xf0 [ 190.993365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 190.998383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 191.003402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.008244] ? trace_hardirqs_on_caller+0x310/0x310 [ 191.013259] ? trace_hardirqs_on_caller+0x310/0x310 [ 191.018278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.023816] ? check_preemption_disabled+0x48/0x200 [ 191.028848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.034392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.039240] apic_timer_interrupt+0xf/0x20 [ 191.043468] [ 191.045705] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 191.050631] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 191.069527] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 191.077233] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 191.084498] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 191.091763] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 191.099029] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 191.106298] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 191.113584] ? trace_hardirqs_on+0xb4/0x310 [ 191.117921] skb_clone+0x1bb/0x500 [ 191.121465] ? finish_task_switch+0x2f5/0x900 [ 191.125962] ? skb_split+0x11e0/0x11e0 [ 191.129857] ? preempt_notifier_register+0x200/0x200 [ 191.134961] ? __switch_to_asm+0x34/0x70 [ 191.139024] ? __switch_to_asm+0x34/0x70 [ 191.143082] ? __switch_to_asm+0x40/0x70 [ 191.147137] ? __switch_to_asm+0x34/0x70 [ 191.151192] ? __switch_to_asm+0x40/0x70 [ 191.155246] ? __switch_to_asm+0x34/0x70 [ 191.159305] ? __switch_to_asm+0x40/0x70 [ 191.163364] ? __switch_to_asm+0x34/0x70 [ 191.167423] ? __switch_to_asm+0x34/0x70 [ 191.171480] ? __switch_to_asm+0x40/0x70 [ 191.175534] ? __switch_to_asm+0x34/0x70 [ 191.179598] bpf_clone_redirect+0xb9/0x490 [ 191.183842] ? __schedule+0x874/0x1ed0 [ 191.187737] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 191.192752] ? __sched_text_start+0x8/0x8 [ 191.196901] ? retint_kernel+0x2d/0x2d [ 191.200788] ? retint_kernel+0x2d/0x2d [ 191.204679] ? trace_hardirqs_on_caller+0xc0/0x310 [ 191.209606] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 191.214367] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 191.219122] ? trace_hardirqs_off+0x310/0x310 [ 191.223620] ? lock_acquire+0x1ed/0x520 [ 191.227589] ? bpf_test_run+0x32e/0x5a0 [ 191.231565] ? lock_release+0x970/0x970 [ 191.235536] ? preempt_schedule+0x4d/0x60 [ 191.239687] ? preempt_schedule_common+0x1f/0xd0 [ 191.244441] ? preempt_schedule+0x4d/0x60 [ 191.248586] ? ___preempt_schedule+0x16/0x18 [ 191.252996] ? bpf_test_run+0x1c0/0x5a0 [ 191.256973] ? netlink_diag_dump+0x2a0/0x2a0 [ 191.261381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.266916] ? bpf_test_init.isra.9+0x70/0x100 [ 191.271502] ? bpf_prog_test_run_skb+0x634/0xb40 [ 191.276258] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 191.281096] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 191.286631] ? fput+0x130/0x1a0 [ 191.289912] ? __bpf_prog_get+0x9b/0x290 [ 191.293975] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 191.298815] ? bpf_prog_test_run+0x130/0x1a0 [ 191.303236] ? __x64_sys_bpf+0x3d8/0x510 [ 191.307303] ? bpf_prog_get+0x20/0x20 [ 191.311112] ? do_syscall_64+0x1b9/0x820 [ 191.315169] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 191.320532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 191.325457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.330312] ? trace_hardirqs_on_caller+0x310/0x310 [ 191.335333] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 191.340362] ? prepare_exit_to_usermode+0x291/0x3b0 [ 191.345383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.350230] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 191.355602] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 191.355660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 191.362360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.362365] Call Trace: [ 191.362385] dump_stack+0x1c4/0x2b4 [ 191.362404] ? dump_stack_print_info.cold.2+0x52/0x52 [ 191.368954] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 191.378246] warn_alloc.cold.119+0xb7/0x1bd [ 191.380807] syz-executor0 cpuset= [ 191.384428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 191.389589] syz0 [ 191.400073] ? lock_downgrade+0x900/0x900 [ 191.404541] mems_allowed=0 [ 191.407997] ? trace_hardirqs_off+0xb8/0x310 [ 191.426254] ? trace_hardirqs_off+0xb8/0x310 [ 191.430668] __alloc_pages_slowpath+0x2667/0x2d80 [ 191.435554] ? warn_alloc+0x120/0x120 [ 191.439363] ? warn_alloc+0x120/0x120 [ 191.443165] ? warn_alloc+0x120/0x120 [ 191.446965] ? mark_held_locks+0x130/0x130 [ 191.451289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.456829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.462395] ? should_fail+0x22d/0xd01 [ 191.466295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 191.471395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.476931] ? should_fail+0x22d/0xd01 [ 191.480830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 191.485946] ? should_fail+0x22d/0xd01 [ 191.489846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 191.494966] ? mark_held_locks+0x130/0x130 [ 191.499206] ? mark_held_locks+0x130/0x130 [ 191.503441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.509095] ? trace_hardirqs_off+0xb8/0x310 [ 191.513490] ? kasan_check_read+0x11/0x20 [ 191.517637] ? do_raw_spin_unlock+0xa7/0x2f0 [ 191.522045] ? trace_hardirqs_on+0x310/0x310 [ 191.526450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.532012] ? wq_watchdog_touch+0x9c/0xfe [ 191.536244] ? io_serial_in+0x11/0x90 [ 191.540045] ? retint_kernel+0x2d/0x2d [ 191.543931] ? trace_hardirqs_on_caller+0xc0/0x310 [ 191.548876] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 191.553652] ? trace_hardirqs_off+0x310/0x310 [ 191.558149] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 191.563261] __alloc_pages_nodemask+0xa80/0xde0 [ 191.567928] ? should_fail+0x22d/0xd01 [ 191.571818] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 191.576878] ? ____cache_alloc_node+0x1c7/0x1e0 [ 191.581548] ? lock_downgrade+0x900/0x900 [ 191.585701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.591239] cache_grow_begin+0x91/0x8c0 [ 191.595332] ? do_raw_spin_unlock+0xa7/0x2f0 [ 191.599745] fallback_alloc+0x203/0x2e0 [ 191.603722] ____cache_alloc_node+0x1c7/0x1e0 [ 191.608308] kmem_cache_alloc_node+0xe3/0x730 [ 191.612806] ? ipv6_get_ifaddr+0x42e/0x620 [ 191.617056] __alloc_skb+0x119/0x770 [ 191.620773] ? skb_scrub_packet+0x490/0x490 [ 191.625095] ? lock_downgrade+0x900/0x900 [ 191.629249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.634790] ? refcount_sub_and_test_checked+0x203/0x310 [ 191.640248] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 191.645701] ? addrconf_rs_timer+0x690/0x690 [ 191.650121] ndisc_alloc_skb+0x144/0x340 [ 191.654191] ndisc_send_rs+0x331/0x6e0 [ 191.658079] addrconf_rs_timer+0x314/0x690 [ 191.662311] ? lock_release+0x970/0x970 [ 191.666284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 191.670525] call_timer_fn+0x272/0x920 [ 191.674412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 191.678650] ? process_timeout+0x40/0x40 [ 191.682705] ? kasan_check_read+0x11/0x20 [ 191.686872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 191.691278] ? trace_hardirqs_on+0x310/0x310 [ 191.695691] ? __run_timers+0x7da/0xc70 [ 191.699667] ? lock_downgrade+0x900/0x900 [ 191.703895] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 191.708996] ? trace_hardirqs_on+0xbd/0x310 [ 191.713312] ? kasan_check_read+0x11/0x20 [ 191.717458] ? __run_timers+0x7da/0xc70 [ 191.721432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 191.726883] ? kasan_check_write+0x14/0x20 [ 191.731115] ? do_raw_spin_lock+0xc1/0x200 [ 191.735350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 191.739585] __run_timers+0x7e5/0xc70 [ 191.743419] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 191.748790] ? lock_downgrade+0x900/0x900 [ 191.752939] ? finish_task_switch+0x1b5/0x900 [ 191.757440] ? trace_hardirqs_on+0xbd/0x310 [ 191.761756] ? kasan_check_read+0x11/0x20 [ 191.765906] ? finish_task_switch+0x1f5/0x900 [ 191.770402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 191.775870] ? compat_start_thread+0x80/0x80 [ 191.780289] ? pvclock_read_flags+0x160/0x160 [ 191.784807] ? __switch_to_asm+0x34/0x70 [ 191.788904] ? __switch_to_asm+0x34/0x70 [ 191.792966] ? __switch_to_asm+0x40/0x70 [ 191.797029] ? __switch_to_asm+0x40/0x70 [ 191.801091] ? __switch_to_asm+0x34/0x70 [ 191.805151] ? __switch_to_asm+0x40/0x70 [ 191.809221] ? trace_hardirqs_on+0xbd/0x310 [ 191.813545] ? kvm_sched_clock_read+0x9/0x20 [ 191.817960] ? run_ksoftirqd+0x94/0x100 [ 191.821940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.827482] ? check_preemption_disabled+0x48/0x200 [ 191.832508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.838056] run_timer_softirq+0x52/0xb0 [ 191.842128] ? __this_cpu_preempt_check+0x1c/0x1f [ 191.846976] __do_softirq+0x30b/0xad8 [ 191.850817] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 191.855950] ? schedule+0x108/0x460 [ 191.859591] ? trace_hardirqs_off+0xb8/0x310 [ 191.864029] ? smpboot_thread_fn+0x68b/0xa00 [ 191.868442] ? trace_hardirqs_on+0x310/0x310 [ 191.872873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.878417] ? check_preemption_disabled+0x48/0x200 [ 191.883464] ? takeover_tasklets+0xa90/0xa90 [ 191.887884] run_ksoftirqd+0x94/0x100 [ 191.891686] smpboot_thread_fn+0x68b/0xa00 [ 191.895930] ? sort_range+0x30/0x30 [ 191.899558] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 191.904665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.910207] ? __kthread_parkme+0xfb/0x1a0 [ 191.914445] kthread+0x35a/0x420 [ 191.917811] ? sort_range+0x30/0x30 [ 191.921456] ? kthread_bind+0x40/0x40 [ 191.925255] ret_from_fork+0x3a/0x50 [ 191.928974] warn_alloc_show_mem: 1 callbacks suppressed [ 191.928987] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 191.928989] Mem-Info: [ 191.929018] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 191.929018] active_file:16 inactive_file:13 isolated_file:0 [ 191.929018] unevictable:0 dirty:0 writeback:0 unstable:0 [ 191.929018] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 191.929018] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 191.929018] free:13630 free_pcp:242 free_cma:0 [ 191.934378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.941572] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 191.943975] Call Trace: [ 191.976863] Node 0 [ 191.986227] [ 192.013750] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 192.016320] dump_stack+0x1c4/0x2b4 [ 192.018529] lowmem_reserve[]: [ 192.020691] ? dump_stack_print_info.cold.2+0x52/0x52 [ 192.046177] 0 [ 192.049849] warn_alloc.cold.119+0xb7/0x1bd [ 192.052923] 2819 [ 192.058123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 192.059908] 6323 [ 192.064239] ? lock_downgrade+0x900/0x900 [ 192.066291] 6323 [ 192.071137] ? trace_hardirqs_off+0xb8/0x310 [ 192.077321] ? trace_hardirqs_off+0xb8/0x310 [ 192.079356] Node 0 DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 192.083788] __alloc_pages_slowpath+0x2667/0x2d80 [ 192.088260] lowmem_reserve[]: [ 192.115880] ? warn_alloc+0x120/0x120 [ 192.120727] 0 [ 192.123851] ? trace_hardirqs_on+0x310/0x310 [ 192.127631] 0 [ 192.129437] ? warn_alloc+0x120/0x120 [ 192.133818] 3503 [ 192.135630] ? warn_alloc+0x120/0x120 [ 192.139408] 3503 [ 192.141471] ? ktime_get+0x2e1/0x440 [ 192.147321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.151011] Node 0 [ 192.156550] ? check_preemption_disabled+0x48/0x200 [ 192.156582] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 192.156590] lowmem_reserve[]: [ 192.158825] ? kasan_check_read+0x11/0x20 [ 192.163845] 0 [ 192.192140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.195314] 0 [ 192.199461] ? should_fail+0x22d/0xd01 [ 192.201242] 0 [ 192.206790] ? rcu_bh_qs+0xc0/0xc0 [ 192.208571] 0 [ 192.212458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 192.217776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.219553] Node 0 [ 192.224657] ? should_fail+0x22d/0xd01 [ 192.230173] DMA: [ 192.232422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 192.236291] 1*4kB [ 192.238365] ? should_fail+0x22d/0xd01 [ 192.243442] (U) [ 192.245594] ? rcu_idle_enter+0x4b0/0x4b0 [ 192.249458] 0*8kB [ 192.251430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 192.255550] 0*16kB [ 192.257700] ? mark_held_locks+0x130/0x130 [ 192.262776] 1*32kB [ 192.265013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.269224] (U) [ 192.271461] ? mark_held_locks+0x130/0x130 [ 192.276968] 2*64kB (U) [ 192.278959] ? rcu_irq_exit+0xce/0x100 [ 192.283171] 1*128kB [ 192.285754] ? irq_exit+0xbd/0x1c0 [ 192.289618] (U) [ 192.291943] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 192.295449] 1*256kB (U) [ 192.297437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 192.302432] 0*512kB [ 192.305104] ? smp_call_function_single_interrupt+0x650/0x650 [ 192.309511] 1*1024kB [ 192.311833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.317699] (U) 1*2048kB [ 192.320115] ? ret_from_intr+0xb/0x1e [ 192.325625] (M) [ 192.328382] ? retint_kernel+0x2d/0x2d [ 192.332160] 3*4096kB [ 192.334135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 192.337997] (M) [ 192.340406] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.345332] = 15908kB [ 192.347317] ? trace_hardirqs_off+0x310/0x310 [ 192.352055] Node 0 [ 192.354475] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 192.358941] DMA32: [ 192.361179] __alloc_pages_nodemask+0xa80/0xde0 [ 192.366253] 4*4kB [ 192.368491] ? should_fail+0x22d/0xd01 [ 192.373136] (M) [ 192.375288] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 192.379149] 0*8kB [ 192.381129] ? ____cache_alloc_node+0x1c7/0x1e0 [ 192.386115] 2*16kB [ 192.388262] ? lock_downgrade+0x900/0x900 [ 192.392901] (M) [ 192.395136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.399267] 2*32kB [ 192.401246] cache_grow_begin+0x91/0x8c0 [ 192.406758] (M) [ 192.409001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 192.413031] 5*64kB [ 192.415006] fallback_alloc+0x203/0x2e0 [ 192.419386] (UM) [ 192.421642] ____cache_alloc_node+0x1c7/0x1e0 [ 192.425591] 3*128kB [ 192.427650] kmem_cache_alloc_node+0xe3/0x730 [ 192.432117] (M) [ 192.434438] ? ipv6_get_ifaddr+0x42e/0x620 [ 192.438905] 4*256kB [ 192.440879] __alloc_skb+0x119/0x770 [ 192.445086] (UM) [ 192.447402] ? skb_scrub_packet+0x490/0x490 [ 192.451101] 3*512kB [ 192.453159] ? lock_downgrade+0x900/0x900 [ 192.457451] (M) [ 192.459772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.463894] 3*1024kB [ 192.465878] ? refcount_sub_and_test_checked+0x203/0x310 [ 192.471392] (UM) [ 192.473801] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 192.479230] 1*2048kB (M) [ 192.481301] ? addrconf_rs_timer+0x690/0x690 [ 192.486724] 4*4096kB [ 192.489479] ndisc_alloc_skb+0x144/0x340 [ 192.493888] (M) [ 192.496296] ndisc_send_rs+0x331/0x6e0 [ 192.500331] = 24880kB [ 192.502340] addrconf_rs_timer+0x314/0x690 [ 192.506201] Node 0 [ 192.508605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.512816] Normal: [ 192.515062] call_timer_fn+0x272/0x920 [ 192.519267] 719*4kB [ 192.521589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.525449] (ME) [ 192.527769] ? process_timeout+0x40/0x40 [ 192.531979] 385*8kB [ 192.534038] ? trace_hardirqs_off+0xb8/0x310 [ 192.538076] (UME) [ 192.540394] ? kasan_check_read+0x11/0x20 [ 192.544777] 182*16kB [ 192.546927] ? do_raw_spin_unlock+0xa7/0x2f0 [ 192.551044] (ME) [ 192.553450] ? trace_hardirqs_on+0x310/0x310 [ 192.557864] 99*32kB [ 192.559909] ? __run_timers+0x7da/0xc70 [ 192.564294] (UME) [ 192.566614] ? lock_downgrade+0x900/0x900 [ 192.570565] 27*64kB [ 192.572711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 192.576833] (UM) [ 192.579163] ? trace_hardirqs_on+0xbd/0x310 [ 192.584241] 0*128kB [ 192.586300] ? kasan_check_read+0x11/0x20 [ 192.590595] 0*256kB 0*512kB [ 192.592925] ? __run_timers+0x7da/0xc70 [ 192.597047] 0*1024kB [ 192.600064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.604014] 0*2048kB [ 192.606419] ? kasan_check_write+0x14/0x20 [ 192.611858] 0*4096kB [ 192.614265] ? do_raw_spin_lock+0xc1/0x200 [ 192.618473] = 13764kB [ 192.620881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.625094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 192.627494] __run_timers+0x7e5/0xc70 [ 192.631712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 192.640541] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 192.644317] 148 total pagecache pages [ 192.652887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 192.658223] 0 pages in swap cache [ 192.662018] ? rcu_bh_qs+0xc0/0xc0 [ 192.667276] Swap cache stats: add 0, delete 0, find 0/0 [ 192.670723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.674241] Free swap = 0kB [ 192.679602] ? check_preemption_disabled+0x48/0x200 [ 192.685130] Total swap = 0kB [ 192.688145] ? rcu_nmi_exit+0xdb/0x280 [ 192.693137] 1965979 pages RAM [ 192.696157] ? ret_from_intr+0xb/0x1e [ 192.700021] 0 pages HighMem/MovableOnly [ 192.703120] ? retint_kernel+0x2d/0x2d [ 192.706898] 342307 pages reserved [ 192.710879] ? trace_hardirqs_on_caller+0xc0/0x310 [ 192.714740] 0 pages cma reserved [ 192.718187] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.723140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 192.726449] ? trace_hardirqs_off+0x310/0x310 [ 192.731250] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 192.737674] ? check_preemption_disabled+0x48/0x200 [ 192.742146] ksoftirqd/0 cpuset= [ 192.752452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.757446] / [ 192.760724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.766239] mems_allowed=0 [ 192.767948] ? retint_kernel+0x2d/0x2d [ 192.779479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.785018] ? check_preemption_disabled+0x48/0x200 [ 192.790036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.795573] run_timer_softirq+0x52/0xb0 [ 192.799635] ? __this_cpu_preempt_check+0x1c/0x1f [ 192.804476] __do_softirq+0x30b/0xad8 [ 192.808282] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 192.813389] ? pvclock_read_flags+0x160/0x160 [ 192.817885] ? lapic_next_event+0x5a/0x90 [ 192.822039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.827590] ? clockevents_program_event+0x140/0x370 [ 192.832877] ? kvm_clock_read+0x18/0x30 [ 192.836859] ? kvm_sched_clock_read+0x9/0x20 [ 192.841270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.846806] ? check_preemption_disabled+0x48/0x200 [ 192.851844] irq_exit+0x17f/0x1c0 [ 192.855302] smp_apic_timer_interrupt+0x1cb/0x760 [ 192.860148] ? smp_reschedule_interrupt+0x109/0x650 [ 192.865264] ? smp_call_function_single_interrupt+0x650/0x650 [ 192.871149] ? interrupt_entry+0xb5/0xf0 [ 192.875210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 192.880224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 192.885242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.890085] ? trace_hardirqs_on_caller+0x310/0x310 [ 192.895097] ? trace_hardirqs_on_caller+0x310/0x310 [ 192.900112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.905648] ? check_preemption_disabled+0x48/0x200 [ 192.910662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.916203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.921049] apic_timer_interrupt+0xf/0x20 [ 192.925272] [ 192.927517] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 192.932451] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 192.951369] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 192.959072] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 192.966335] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 192.973609] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 192.980878] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 192.988142] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 192.995423] ? trace_hardirqs_on+0xb4/0x310 [ 192.999770] skb_clone+0x1bb/0x500 [ 193.003309] ? finish_task_switch+0x2f5/0x900 [ 193.007801] ? skb_split+0x11e0/0x11e0 [ 193.011713] ? preempt_notifier_register+0x200/0x200 [ 193.016815] ? __switch_to_asm+0x34/0x70 [ 193.020882] ? __switch_to_asm+0x34/0x70 [ 193.024942] ? __switch_to_asm+0x40/0x70 [ 193.029000] ? __switch_to_asm+0x34/0x70 [ 193.033056] ? __switch_to_asm+0x40/0x70 [ 193.037119] ? __switch_to_asm+0x34/0x70 [ 193.041175] ? __switch_to_asm+0x40/0x70 [ 193.045231] ? __switch_to_asm+0x34/0x70 [ 193.049292] ? __switch_to_asm+0x34/0x70 [ 193.053357] ? __switch_to_asm+0x40/0x70 [ 193.057417] ? __switch_to_asm+0x34/0x70 [ 193.061493] bpf_clone_redirect+0xb9/0x490 [ 193.065725] ? __schedule+0x874/0x1ed0 [ 193.069612] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 193.074631] ? __sched_text_start+0x8/0x8 [ 193.078777] ? retint_kernel+0x2d/0x2d [ 193.082684] ? retint_kernel+0x2d/0x2d [ 193.086573] ? trace_hardirqs_on_caller+0xc0/0x310 [ 193.091500] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 193.096257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 193.101011] ? trace_hardirqs_off+0x310/0x310 [ 193.105509] ? lock_acquire+0x1ed/0x520 [ 193.109478] ? bpf_test_run+0x32e/0x5a0 [ 193.113451] ? lock_release+0x970/0x970 [ 193.117421] ? preempt_schedule+0x4d/0x60 [ 193.121568] ? preempt_schedule_common+0x1f/0xd0 [ 193.126324] ? preempt_schedule+0x4d/0x60 [ 193.130478] ? ___preempt_schedule+0x16/0x18 [ 193.134917] ? bpf_test_run+0x1c0/0x5a0 [ 193.138894] ? netlink_diag_dump+0x2a0/0x2a0 [ 193.143300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.148842] ? bpf_test_init.isra.9+0x70/0x100 [ 193.153428] ? bpf_prog_test_run_skb+0x634/0xb40 [ 193.158184] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 193.163023] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 193.168555] ? fput+0x130/0x1a0 [ 193.171841] ? __bpf_prog_get+0x9b/0x290 [ 193.175905] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 193.180741] ? bpf_prog_test_run+0x130/0x1a0 [ 193.185147] ? __x64_sys_bpf+0x3d8/0x510 [ 193.189204] ? bpf_prog_get+0x20/0x20 [ 193.193015] ? do_syscall_64+0x1b9/0x820 [ 193.197071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 193.202431] ? syscall_return_slowpath+0x5e0/0x5e0 [ 193.207361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.212203] ? trace_hardirqs_on_caller+0x310/0x310 [ 193.217216] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 193.222229] ? prepare_exit_to_usermode+0x291/0x3b0 [ 193.227244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.232088] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 193.237463] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 193.237530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 193.244226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.244230] Call Trace: [ 193.244251] dump_stack+0x1c4/0x2b4 [ 193.244269] ? dump_stack_print_info.cold.2+0x52/0x52 [ 193.250806] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 193.260098] warn_alloc.cold.119+0xb7/0x1bd [ 193.262656] syz-executor0 cpuset= [ 193.266277] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 193.271441] syz0 [ 193.281921] ? lock_downgrade+0x900/0x900 [ 193.286219] mems_allowed=0 [ 193.289662] ? trace_hardirqs_off+0xb8/0x310 [ 193.307890] ? trace_hardirqs_off+0xb8/0x310 [ 193.312312] __alloc_pages_slowpath+0x2667/0x2d80 [ 193.317199] ? warn_alloc+0x120/0x120 [ 193.321000] ? warn_alloc+0x120/0x120 [ 193.324798] ? warn_alloc+0x120/0x120 [ 193.328618] ? mark_held_locks+0x130/0x130 [ 193.332867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.338407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.343941] ? should_fail+0x22d/0xd01 [ 193.347827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 193.352946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.358484] ? should_fail+0x22d/0xd01 [ 193.362373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 193.367473] ? should_fail+0x22d/0xd01 [ 193.371363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 193.376468] ? mark_held_locks+0x130/0x130 [ 193.380702] ? mark_held_locks+0x130/0x130 [ 193.384933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.390468] ? trace_hardirqs_off+0xb8/0x310 [ 193.394877] ? kasan_check_read+0x11/0x20 [ 193.399024] ? do_raw_spin_unlock+0xa7/0x2f0 [ 193.403905] ? trace_hardirqs_on+0x310/0x310 [ 193.408310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.413857] ? wq_watchdog_touch+0x9c/0xfe [ 193.418091] ? io_serial_in+0x11/0x90 [ 193.421901] ? retint_kernel+0x2d/0x2d [ 193.425786] ? trace_hardirqs_on_caller+0xc0/0x310 [ 193.430711] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 193.435462] ? trace_hardirqs_off+0x310/0x310 [ 193.439952] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 193.445071] __alloc_pages_nodemask+0xa80/0xde0 [ 193.449738] ? should_fail+0x22d/0xd01 [ 193.453627] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 193.458659] ? ____cache_alloc_node+0x1c7/0x1e0 [ 193.463325] ? lock_downgrade+0x900/0x900 [ 193.467478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.473280] cache_grow_begin+0x91/0x8c0 [ 193.477338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 193.481755] fallback_alloc+0x203/0x2e0 [ 193.485732] ____cache_alloc_node+0x1c7/0x1e0 [ 193.490230] kmem_cache_alloc_node+0xe3/0x730 [ 193.494736] ? ipv6_get_ifaddr+0x42e/0x620 [ 193.498975] __alloc_skb+0x119/0x770 [ 193.502691] ? skb_scrub_packet+0x490/0x490 [ 193.507009] ? lock_downgrade+0x900/0x900 [ 193.511365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.516906] ? refcount_sub_and_test_checked+0x203/0x310 [ 193.522361] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 193.527813] ? addrconf_rs_timer+0x690/0x690 [ 193.532256] ndisc_alloc_skb+0x144/0x340 [ 193.536318] ndisc_send_rs+0x331/0x6e0 [ 193.540219] addrconf_rs_timer+0x314/0x690 [ 193.544446] ? lock_release+0x970/0x970 [ 193.548419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.552664] call_timer_fn+0x272/0x920 [ 193.556552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.560783] ? process_timeout+0x40/0x40 [ 193.564846] ? kasan_check_read+0x11/0x20 [ 193.568999] ? do_raw_spin_unlock+0xa7/0x2f0 [ 193.573410] ? trace_hardirqs_on+0x310/0x310 [ 193.577819] ? __run_timers+0x7da/0xc70 [ 193.581805] ? lock_downgrade+0x900/0x900 [ 193.585971] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 193.591096] ? trace_hardirqs_on+0xbd/0x310 [ 193.595411] ? kasan_check_read+0x11/0x20 [ 193.599556] ? __run_timers+0x7da/0xc70 [ 193.603529] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 193.608983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.614522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.618756] __run_timers+0x7e5/0xc70 [ 193.622562] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 193.627922] ? lock_downgrade+0x900/0x900 [ 193.632067] ? finish_task_switch+0x1b5/0x900 [ 193.636566] ? trace_hardirqs_on+0xbd/0x310 [ 193.640909] ? kasan_check_read+0x11/0x20 [ 193.645063] ? finish_task_switch+0x1f5/0x900 [ 193.649560] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 193.655010] ? compat_start_thread+0x80/0x80 [ 193.659450] ? pvclock_read_flags+0x160/0x160 [ 193.663944] ? __switch_to_asm+0x34/0x70 [ 193.668004] ? __switch_to_asm+0x34/0x70 [ 193.672056] ? __switch_to_asm+0x40/0x70 [ 193.676115] ? __switch_to_asm+0x40/0x70 [ 193.680169] ? __switch_to_asm+0x34/0x70 [ 193.684224] ? __switch_to_asm+0x40/0x70 [ 193.688286] ? trace_hardirqs_on+0xbd/0x310 [ 193.692604] ? kvm_sched_clock_read+0x9/0x20 [ 193.697011] ? run_ksoftirqd+0x94/0x100 [ 193.700982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.706520] ? check_preemption_disabled+0x48/0x200 [ 193.711532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.717070] run_timer_softirq+0x52/0xb0 [ 193.721134] ? __this_cpu_preempt_check+0x1c/0x1f [ 193.725973] __do_softirq+0x30b/0xad8 [ 193.729778] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 193.734884] ? schedule+0x108/0x460 [ 193.738517] ? trace_hardirqs_off+0xb8/0x310 [ 193.742926] ? smpboot_thread_fn+0x68b/0xa00 [ 193.747333] ? trace_hardirqs_on+0x310/0x310 [ 193.751742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.757277] ? check_preemption_disabled+0x48/0x200 [ 193.762320] ? takeover_tasklets+0xa90/0xa90 [ 193.766741] run_ksoftirqd+0x94/0x100 [ 193.770539] smpboot_thread_fn+0x68b/0xa00 [ 193.774770] ? sort_range+0x30/0x30 [ 193.778398] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 193.783499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.789038] ? __kthread_parkme+0xfb/0x1a0 [ 193.793270] kthread+0x35a/0x420 [ 193.796637] ? sort_range+0x30/0x30 [ 193.800260] ? kthread_bind+0x40/0x40 [ 193.804061] ret_from_fork+0x3a/0x50 [ 193.807779] warn_alloc_show_mem: 1 callbacks suppressed [ 193.807791] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 193.807793] Mem-Info: [ 193.807824] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 193.807824] active_file:16 inactive_file:13 isolated_file:0 [ 193.807824] unevictable:0 dirty:0 writeback:0 unstable:0 [ 193.807824] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 193.807824] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 193.807824] free:13630 free_pcp:242 free_cma:0 [ 193.813177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.820367] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 193.822776] Call Trace: [ 193.855644] Node 0 [ 193.864990] [ 193.892495] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 193.895056] dump_stack+0x1c4/0x2b4 [ 193.897266] lowmem_reserve[]: [ 193.899413] ? dump_stack_print_info.cold.2+0x52/0x52 [ 193.924887] 0 [ 193.928516] warn_alloc.cold.119+0xb7/0x1bd [ 193.931595] 2819 [ 193.936780] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 193.938554] 6323 6323 [ 193.942883] ? lock_downgrade+0x900/0x900 [ 193.949756] ? trace_hardirqs_off+0xb8/0x310 [ 193.952229] Node 0 [ 193.956372] ? trace_hardirqs_off+0xb8/0x310 [ 193.960780] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 193.962991] __alloc_pages_slowpath+0x2667/0x2d80 [ 193.967372] lowmem_reserve[]: [ 193.994369] ? warn_alloc+0x120/0x120 [ 193.999175] 0 [ 194.002278] ? trace_hardirqs_on+0x310/0x310 [ 194.006048] 0 3503 [ 194.007868] ? warn_alloc+0x120/0x120 [ 194.012251] 3503 [ 194.014483] ? warn_alloc+0x120/0x120 [ 194.020328] ? ktime_get+0x2e1/0x440 [ 194.024103] Node 0 [ 194.027808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.027855] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 194.027863] lowmem_reserve[]: [ 194.030097] ? check_preemption_disabled+0x48/0x200 [ 194.035609] 0 [ 194.063882] ? kasan_check_read+0x11/0x20 [ 194.066966] 0 [ 194.071981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 194.073757] 0 [ 194.077908] ? should_fail+0x22d/0xd01 [ 194.079685] 0 [ 194.085215] ? rcu_bh_qs+0xc0/0xc0 [ 194.090881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 194.092659] Node 0 [ 194.096201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 194.101281] DMA: [ 194.103517] ? should_fail+0x22d/0xd01 [ 194.109030] 1*4kB [ 194.111087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 194.114952] (U) [ 194.117095] ? should_fail+0x22d/0xd01 [ 194.122176] 0*8kB [ 194.124146] ? rcu_idle_enter+0x4b0/0x4b0 [ 194.128008] 0*16kB [ 194.130155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 194.134275] 1*32kB [ 194.136509] ? mark_held_locks+0x130/0x130 [ 194.141581] (U) 2*64kB [ 194.143827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.148045] (U) [ 194.150625] ? mark_held_locks+0x130/0x130 [ 194.156146] 1*128kB [ 194.158121] ? rcu_irq_exit+0xce/0x100 [ 194.162329] (U) [ 194.164657] ? irq_exit+0xbd/0x1c0 [ 194.168517] 1*256kB [ 194.170494] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 194.174005] (U) [ 194.176328] ? do_raw_spin_unlock+0xa7/0x2f0 [ 194.181315] 0*512kB [ 194.183287] ? smp_call_function_single_interrupt+0x650/0x650 [ 194.187670] 1*1024kB [ 194.189988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.195854] (U) [ 194.198260] ? ret_from_intr+0xb/0x1e [ 194.203773] 1*2048kB [ 194.205741] ? retint_kernel+0x2d/0x2d [ 194.209516] (M) [ 194.211922] ? trace_hardirqs_on_caller+0xc0/0x310 [ 194.215788] 3*4096kB [ 194.217759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.222662] (M) [ 194.225069] ? trace_hardirqs_off+0x310/0x310 [ 194.229797] = 15908kB [ 194.231769] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 194.236242] Node 0 [ 194.238655] __alloc_pages_nodemask+0xa80/0xde0 [ 194.243730] DMA32: [ 194.245961] ? should_fail+0x22d/0xd01 [ 194.250607] 4*4kB [ 194.252851] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 194.256716] (M) [ 194.258881] ? ____cache_alloc_node+0x1c7/0x1e0 [ 194.263865] 0*8kB [ 194.265853] ? lock_downgrade+0x900/0x900 [ 194.270499] 2*16kB [ 194.272645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.276768] (M) [ 194.279003] cache_grow_begin+0x91/0x8c0 [ 194.284518] 2*32kB [ 194.286489] ? do_raw_spin_unlock+0xa7/0x2f0 [ 194.290524] (M) [ 194.292756] fallback_alloc+0x203/0x2e0 [ 194.297139] 5*64kB [ 194.299109] ____cache_alloc_node+0x1c7/0x1e0 [ 194.303056] (UM) [ 194.305292] kmem_cache_alloc_node+0xe3/0x730 [ 194.309767] 3*128kB [ 194.311875] ? ipv6_get_ifaddr+0x42e/0x620 [ 194.316341] (M) [ 194.318666] __alloc_skb+0x119/0x770 [ 194.322876] 4*256kB [ 194.324854] ? skb_scrub_packet+0x490/0x490 [ 194.328547] (UM) [ 194.330878] ? lock_downgrade+0x900/0x900 [ 194.335176] 3*512kB [ 194.337233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.341358] (M) [ 194.343684] ? refcount_sub_and_test_checked+0x203/0x310 [ 194.349191] 3*1024kB (UM) [ 194.351175] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 194.356601] 1*2048kB [ 194.359792] ? addrconf_rs_timer+0x690/0x690 [ 194.365212] (M) [ 194.367620] ndisc_alloc_skb+0x144/0x340 [ 194.371999] 4*4096kB [ 194.373971] ndisc_send_rs+0x331/0x6e0 [ 194.377999] (M) = 24880kB [ 194.380413] addrconf_rs_timer+0x314/0x690 [ 194.384284] Node 0 [ 194.387036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.391244] Normal: [ 194.393485] call_timer_fn+0x272/0x920 [ 194.397695] 719*4kB [ 194.400014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.403878] (ME) [ 194.406198] ? process_timeout+0x40/0x40 [ 194.410405] 385*8kB [ 194.412460] ? trace_hardirqs_off+0xb8/0x310 [ 194.416495] (UME) [ 194.418812] ? kasan_check_read+0x11/0x20 [ 194.423209] 182*16kB [ 194.425363] ? do_raw_spin_unlock+0xa7/0x2f0 [ 194.429478] (ME) [ 194.431890] ? trace_hardirqs_on+0x310/0x310 [ 194.436274] 99*32kB [ 194.438333] ? __run_timers+0x7da/0xc70 [ 194.442715] (UME) [ 194.445040] ? lock_downgrade+0x900/0x900 [ 194.448990] 27*64kB [ 194.451139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 194.455257] (UM) [ 194.457576] ? trace_hardirqs_on+0xbd/0x310 [ 194.462654] 0*128kB [ 194.464710] ? kasan_check_read+0x11/0x20 [ 194.469009] 0*256kB [ 194.471332] ? __run_timers+0x7da/0xc70 [ 194.475453] 0*512kB [ 194.477801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 194.481750] 0*1024kB 0*2048kB [ 194.484082] ? kasan_check_write+0x14/0x20 [ 194.489507] 0*4096kB [ 194.492697] ? do_raw_spin_lock+0xc1/0x200 [ 194.496908] = 13764kB [ 194.499314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.503529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 194.506104] __run_timers+0x7e5/0xc70 [ 194.510317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 194.519144] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 194.522916] 148 total pagecache pages [ 194.531488] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 194.536824] 0 pages in swap cache [ 194.540630] ? rcu_bh_qs+0xc0/0xc0 [ 194.545886] Swap cache stats: add 0, delete 0, find 0/0 [ 194.549334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.552855] Free swap = 0kB [ 194.558213] ? check_preemption_disabled+0x48/0x200 [ 194.563725] Total swap = 0kB [ 194.566738] ? rcu_nmi_exit+0xdb/0x280 [ 194.571731] 1965979 pages RAM [ 194.574745] ? ret_from_intr+0xb/0x1e [ 194.578605] 0 pages HighMem/MovableOnly [ 194.581704] ? retint_kernel+0x2d/0x2d [ 194.585483] 342307 pages reserved [ 194.589456] ? trace_hardirqs_on_caller+0xc0/0x310 [ 194.593310] 0 pages cma reserved [ 194.593374] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 194.596769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.601742] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 194.605040] ? trace_hardirqs_off+0x310/0x310 [ 194.611507] ksoftirqd/0 cpuset= [ 194.616261] ? check_preemption_disabled+0x48/0x200 [ 194.626540] / [ 194.631032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.634289] mems_allowed=0 [ 194.639300] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.654170] ? retint_kernel+0x2d/0x2d [ 194.658060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.663600] ? check_preemption_disabled+0x48/0x200 [ 194.668614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.674154] run_timer_softirq+0x52/0xb0 [ 194.678220] ? __this_cpu_preempt_check+0x1c/0x1f [ 194.683066] __do_softirq+0x30b/0xad8 [ 194.686880] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 194.691987] ? pvclock_read_flags+0x160/0x160 [ 194.696482] ? lapic_next_event+0x5a/0x90 [ 194.700641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.706180] ? clockevents_program_event+0x140/0x370 [ 194.711288] ? kvm_clock_read+0x18/0x30 [ 194.715285] ? kvm_sched_clock_read+0x9/0x20 [ 194.719704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.725244] ? check_preemption_disabled+0x48/0x200 [ 194.730266] irq_exit+0x17f/0x1c0 [ 194.733724] smp_apic_timer_interrupt+0x1cb/0x760 [ 194.738565] ? smp_reschedule_interrupt+0x109/0x650 [ 194.743580] ? smp_call_function_single_interrupt+0x650/0x650 [ 194.749478] ? interrupt_entry+0xb5/0xf0 [ 194.753566] ? trace_hardirqs_off_caller+0xbb/0x310 [ 194.758583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 194.763602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.768443] ? trace_hardirqs_on_caller+0x310/0x310 [ 194.773459] ? trace_hardirqs_on_caller+0x310/0x310 [ 194.778479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.784016] ? check_preemption_disabled+0x48/0x200 [ 194.789033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.794575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.799423] apic_timer_interrupt+0xf/0x20 [ 194.803653] [ 194.805896] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 194.810822] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 194.829730] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 194.837437] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 194.844710] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 194.851979] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 194.859243] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 194.866505] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 194.873787] ? trace_hardirqs_on+0xb4/0x310 [ 194.878119] skb_clone+0x1bb/0x500 [ 194.881658] ? finish_task_switch+0x2f5/0x900 [ 194.886152] ? skb_split+0x11e0/0x11e0 [ 194.890038] ? preempt_notifier_register+0x200/0x200 [ 194.895136] ? __switch_to_asm+0x34/0x70 [ 194.899196] ? __switch_to_asm+0x34/0x70 [ 194.903256] ? __switch_to_asm+0x40/0x70 [ 194.907312] ? __switch_to_asm+0x34/0x70 [ 194.911371] ? __switch_to_asm+0x40/0x70 [ 194.915427] ? __switch_to_asm+0x34/0x70 [ 194.919482] ? __switch_to_asm+0x40/0x70 [ 194.923538] ? __switch_to_asm+0x34/0x70 [ 194.927596] ? __switch_to_asm+0x34/0x70 [ 194.931652] ? __switch_to_asm+0x40/0x70 [ 194.935711] ? __switch_to_asm+0x34/0x70 [ 194.939774] bpf_clone_redirect+0xb9/0x490 [ 194.944010] ? __schedule+0x874/0x1ed0 [ 194.947898] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 194.952915] ? __sched_text_start+0x8/0x8 [ 194.957063] ? retint_kernel+0x2d/0x2d [ 194.960949] ? retint_kernel+0x2d/0x2d [ 194.964843] ? trace_hardirqs_on_caller+0xc0/0x310 [ 194.969776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.974533] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.979285] ? trace_hardirqs_off+0x310/0x310 [ 194.983788] ? lock_acquire+0x1ed/0x520 [ 194.987758] ? bpf_test_run+0x32e/0x5a0 [ 194.991733] ? lock_release+0x970/0x970 [ 194.995704] ? preempt_schedule+0x4d/0x60 [ 194.999859] ? preempt_schedule_common+0x1f/0xd0 [ 195.004615] ? preempt_schedule+0x4d/0x60 [ 195.008764] ? ___preempt_schedule+0x16/0x18 [ 195.013176] ? bpf_test_run+0x1c0/0x5a0 [ 195.017153] ? netlink_diag_dump+0x2a0/0x2a0 [ 195.021565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.027095] ? bpf_test_init.isra.9+0x70/0x100 [ 195.031676] ? bpf_prog_test_run_skb+0x634/0xb40 [ 195.036432] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 195.041271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 195.046805] ? fput+0x130/0x1a0 [ 195.050089] ? __bpf_prog_get+0x9b/0x290 [ 195.054151] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 195.058988] ? bpf_prog_test_run+0x130/0x1a0 [ 195.063400] ? __x64_sys_bpf+0x3d8/0x510 [ 195.067464] ? bpf_prog_get+0x20/0x20 [ 195.071279] ? do_syscall_64+0x1b9/0x820 [ 195.075336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 195.080705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 195.085629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.090469] ? trace_hardirqs_on_caller+0x310/0x310 [ 195.095487] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 195.100523] ? prepare_exit_to_usermode+0x291/0x3b0 [ 195.105545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.110429] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 195.115806] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 195.115868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 195.122581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.122586] Call Trace: [ 195.122607] dump_stack+0x1c4/0x2b4 [ 195.122627] ? dump_stack_print_info.cold.2+0x52/0x52 [ 195.129164] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 195.138457] warn_alloc.cold.119+0xb7/0x1bd [ 195.141017] syz-executor0 cpuset= [ 195.144637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 195.149805] syz0 [ 195.160286] ? lock_downgrade+0x900/0x900 [ 195.164587] mems_allowed=0 [ 195.168032] ? trace_hardirqs_off+0xb8/0x310 [ 195.186282] ? trace_hardirqs_off+0xb8/0x310 [ 195.190694] __alloc_pages_slowpath+0x2667/0x2d80 [ 195.195552] ? warn_alloc+0x120/0x120 [ 195.199354] ? warn_alloc+0x120/0x120 [ 195.203159] ? warn_alloc+0x120/0x120 [ 195.206964] ? mark_held_locks+0x130/0x130 [ 195.211202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.216740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.222275] ? should_fail+0x22d/0xd01 [ 195.226170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.231269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.236809] ? should_fail+0x22d/0xd01 [ 195.240715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.245817] ? should_fail+0x22d/0xd01 [ 195.249720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.254827] ? mark_held_locks+0x130/0x130 [ 195.259081] ? mark_held_locks+0x130/0x130 [ 195.263315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.268867] ? trace_hardirqs_off+0xb8/0x310 [ 195.273273] ? kasan_check_read+0x11/0x20 [ 195.277420] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.281852] ? trace_hardirqs_on+0x310/0x310 [ 195.286284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.291828] ? wq_watchdog_touch+0x9c/0xfe [ 195.296086] ? io_serial_in+0x11/0x90 [ 195.299885] ? retint_kernel+0x2d/0x2d [ 195.303769] ? trace_hardirqs_on_caller+0xc0/0x310 [ 195.308697] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 195.313453] ? trace_hardirqs_off+0x310/0x310 [ 195.317954] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 195.323152] __alloc_pages_nodemask+0xa80/0xde0 [ 195.327822] ? should_fail+0x22d/0xd01 [ 195.331728] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 195.336756] ? ____cache_alloc_node+0x1c7/0x1e0 [ 195.341426] ? lock_downgrade+0x900/0x900 [ 195.345575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.351113] cache_grow_begin+0x91/0x8c0 [ 195.355178] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.359588] fallback_alloc+0x203/0x2e0 [ 195.363568] ____cache_alloc_node+0x1c7/0x1e0 [ 195.368067] kmem_cache_alloc_node+0xe3/0x730 [ 195.372562] ? ipv6_get_ifaddr+0x42e/0x620 [ 195.376802] __alloc_skb+0x119/0x770 [ 195.380527] ? skb_scrub_packet+0x490/0x490 [ 195.384867] ? lock_downgrade+0x900/0x900 [ 195.389019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.394557] ? refcount_sub_and_test_checked+0x203/0x310 [ 195.400011] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 195.405922] ? addrconf_rs_timer+0x690/0x690 [ 195.410341] ndisc_alloc_skb+0x144/0x340 [ 195.414404] ndisc_send_rs+0x331/0x6e0 [ 195.418293] addrconf_rs_timer+0x314/0x690 [ 195.422528] ? lock_release+0x970/0x970 [ 195.426592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.430841] call_timer_fn+0x272/0x920 [ 195.434734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.438970] ? process_timeout+0x40/0x40 [ 195.443024] ? kasan_check_read+0x11/0x20 [ 195.447173] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.451582] ? trace_hardirqs_on+0x310/0x310 [ 195.455991] ? __run_timers+0x7da/0xc70 [ 195.459963] ? lock_downgrade+0x900/0x900 [ 195.464111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 195.469212] ? trace_hardirqs_on+0xbd/0x310 [ 195.473702] ? kasan_check_read+0x11/0x20 [ 195.477866] ? __run_timers+0x7da/0xc70 [ 195.481860] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 195.487312] ? kasan_check_write+0x14/0x20 [ 195.491548] ? do_raw_spin_lock+0xc1/0x200 [ 195.495787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.500037] __run_timers+0x7e5/0xc70 [ 195.503865] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 195.509442] ? lock_downgrade+0x900/0x900 [ 195.513592] ? finish_task_switch+0x1b5/0x900 [ 195.518087] ? trace_hardirqs_on+0xbd/0x310 [ 195.522407] ? kasan_check_read+0x11/0x20 [ 195.526555] ? finish_task_switch+0x1f5/0x900 [ 195.531049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 195.536497] ? compat_start_thread+0x80/0x80 [ 195.540913] ? pvclock_read_flags+0x160/0x160 [ 195.545403] ? __switch_to_asm+0x34/0x70 [ 195.549722] ? __switch_to_asm+0x34/0x70 [ 195.553781] ? __switch_to_asm+0x40/0x70 [ 195.557854] ? __switch_to_asm+0x40/0x70 [ 195.561913] ? __switch_to_asm+0x34/0x70 [ 195.565971] ? __switch_to_asm+0x40/0x70 [ 195.570034] ? trace_hardirqs_on+0xbd/0x310 [ 195.574359] ? kvm_sched_clock_read+0x9/0x20 [ 195.578767] ? run_ksoftirqd+0x94/0x100 [ 195.582739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.588279] ? check_preemption_disabled+0x48/0x200 [ 195.593297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.598845] run_timer_softirq+0x52/0xb0 [ 195.602913] ? __this_cpu_preempt_check+0x1c/0x1f [ 195.607756] __do_softirq+0x30b/0xad8 [ 195.611564] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 195.616667] ? schedule+0x108/0x460 [ 195.620301] ? trace_hardirqs_off+0xb8/0x310 [ 195.624709] ? smpboot_thread_fn+0x68b/0xa00 [ 195.629115] ? trace_hardirqs_on+0x310/0x310 [ 195.633524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.639066] ? check_preemption_disabled+0x48/0x200 [ 195.644081] ? takeover_tasklets+0xa90/0xa90 [ 195.648488] run_ksoftirqd+0x94/0x100 [ 195.652298] smpboot_thread_fn+0x68b/0xa00 [ 195.656535] ? sort_range+0x30/0x30 [ 195.660159] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 195.665264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.670802] ? __kthread_parkme+0xfb/0x1a0 [ 195.675062] kthread+0x35a/0x420 [ 195.678431] ? sort_range+0x30/0x30 [ 195.682053] ? kthread_bind+0x40/0x40 [ 195.685865] ret_from_fork+0x3a/0x50 [ 195.689584] warn_alloc_show_mem: 1 callbacks suppressed [ 195.689596] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 195.689598] Mem-Info: [ 195.689629] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 195.689629] active_file:16 inactive_file:13 isolated_file:0 [ 195.689629] unevictable:0 dirty:0 writeback:0 unstable:0 [ 195.689629] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 195.689629] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 195.689629] free:13630 free_pcp:242 free_cma:0 [ 195.694982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.702258] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 195.704657] Call Trace: [ 195.737522] Node 0 [ 195.746873] [ 195.774477] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 195.777038] dump_stack+0x1c4/0x2b4 [ 195.779249] lowmem_reserve[]: [ 195.781397] ? dump_stack_print_info.cold.2+0x52/0x52 [ 195.806874] 0 [ 195.810503] warn_alloc.cold.119+0xb7/0x1bd [ 195.813581] 2819 [ 195.818767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 195.820548] 6323 [ 195.824874] ? lock_downgrade+0x900/0x900 [ 195.826917] 6323 [ 195.831765] ? trace_hardirqs_off+0xb8/0x310 [ 195.837944] ? trace_hardirqs_off+0xb8/0x310 [ 195.839986] Node 0 [ 195.844388] __alloc_pages_slowpath+0x2667/0x2d80 [ 195.848798] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 195.851017] ? warn_alloc+0x120/0x120 [ 195.855822] lowmem_reserve[]: [ 195.882806] ? trace_hardirqs_on+0x310/0x310 [ 195.886606] 0 [ 195.889711] ? warn_alloc+0x120/0x120 [ 195.894092] 0 [ 195.895892] ? warn_alloc+0x120/0x120 [ 195.899670] 3503 [ 195.901468] ? ktime_get+0x2e1/0x440 [ 195.905243] 3503 [ 195.907331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.913085] ? check_preemption_disabled+0x48/0x200 [ 195.918588] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 195.923627] ? kasan_check_read+0x11/0x20 [ 195.923645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.952508] lowmem_reserve[]: [ 195.956654] ? should_fail+0x22d/0xd01 [ 195.962165] 0 [ 195.965266] ? rcu_bh_qs+0xc0/0xc0 [ 195.969125] 0 [ 195.970928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.974443] 0 [ 195.976246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.981319] 0 [ 195.983116] ? should_fail+0x22d/0xd01 [ 195.990423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.994285] Node 0 [ 195.999379] ? should_fail+0x22d/0xd01 [ 195.999382] DMA: 1*4kB [ 196.001622] ? rcu_idle_enter+0x4b0/0x4b0 [ 196.005509] (U) [ 196.008089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 196.012216] 0*8kB [ 196.014187] ? mark_held_locks+0x130/0x130 [ 196.019263] 0*16kB [ 196.021409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.025616] 1*32kB [ 196.027857] ? mark_held_locks+0x130/0x130 [ 196.033374] (U) [ 196.035610] ? rcu_irq_exit+0xce/0x100 [ 196.039819] 2*64kB [ 196.041800] ? irq_exit+0xbd/0x1c0 [ 196.045663] (U) [ 196.047905] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 196.051410] 1*128kB (U) [ 196.053393] ? do_raw_spin_unlock+0xa7/0x2f0 [ 196.058389] 1*256kB [ 196.061057] ? smp_call_function_single_interrupt+0x650/0x650 [ 196.065441] (U) [ 196.067761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.073619] 0*512kB [ 196.075586] ? ret_from_intr+0xb/0x1e [ 196.081103] 1*1024kB [ 196.083421] ? retint_kernel+0x2d/0x2d [ 196.087199] (U) [ 196.089604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 196.093467] 1*2048kB [ 196.095444] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.100344] (M) [ 196.102758] ? trace_hardirqs_off+0x310/0x310 [ 196.107489] 3*4096kB [ 196.109453] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 196.109475] __alloc_pages_nodemask+0xa80/0xde0 [ 196.113946] (M) [ 196.116359] ? should_fail+0x22d/0xd01 [ 196.121429] = 15908kB [ 196.126096] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 196.128050] Node 0 [ 196.132036] ? ____cache_alloc_node+0x1c7/0x1e0 [ 196.134414] DMA32: [ 196.139427] ? lock_downgrade+0x900/0x900 [ 196.141644] 4*4kB [ 196.146311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.148522] (M) [ 196.152670] cache_grow_begin+0x91/0x8c0 [ 196.154798] 0*8kB [ 196.160334] ? do_raw_spin_unlock+0xa7/0x2f0 [ 196.162290] 2*16kB [ 196.166356] fallback_alloc+0x203/0x2e0 [ 196.168483] (M) [ 196.172900] ____cache_alloc_node+0x1c7/0x1e0 [ 196.175117] 2*32kB [ 196.179087] kmem_cache_alloc_node+0xe3/0x730 [ 196.181039] (M) [ 196.185533] ? ipv6_get_ifaddr+0x42e/0x620 [ 196.187743] 5*64kB [ 196.192233] __alloc_skb+0x119/0x770 [ 196.194186] (UM) [ 196.198417] ? skb_scrub_packet+0x490/0x490 [ 196.200633] 3*128kB [ 196.204340] ? lock_downgrade+0x900/0x900 [ 196.206379] (M) [ 196.210694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.212997] 4*256kB [ 196.217138] ? refcount_sub_and_test_checked+0x203/0x310 [ 196.219089] (UM) [ 196.224621] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 196.226922] 3*512kB [ 196.232369] ? addrconf_rs_timer+0x690/0x690 [ 196.234410] (M) [ 196.239877] ndisc_alloc_skb+0x144/0x340 [ 196.242174] 3*1024kB [ 196.246582] ndisc_send_rs+0x331/0x6e0 [ 196.248534] (UM) [ 196.252589] addrconf_rs_timer+0x314/0x690 [ 196.254976] 1*2048kB [ 196.258868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.260907] (M) [ 196.265142] call_timer_fn+0x272/0x920 [ 196.267526] 4*4096kB [ 196.271761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.273808] (M) [ 196.277692] ? process_timeout+0x40/0x40 [ 196.280076] = 24880kB [ 196.284302] ? trace_hardirqs_off+0xb8/0x310 [ 196.284317] ? kasan_check_read+0x11/0x20 [ 196.286278] Node 0 [ 196.290336] ? do_raw_spin_unlock+0xa7/0x2f0 [ 196.292722] Normal: [ 196.297129] ? trace_hardirqs_on+0x310/0x310 [ 196.301265] 719*4kB [ 196.303503] ? __run_timers+0x7da/0xc70 [ 196.307893] (ME) [ 196.310224] ? lock_downgrade+0x900/0x900 [ 196.314600] 385*8kB (UME) [ 196.316936] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 196.320880] 182*16kB [ 196.322962] ? trace_hardirqs_on+0xbd/0x310 [ 196.327085] (ME) [ 196.329926] ? kasan_check_read+0x11/0x20 [ 196.335020] 99*32kB [ 196.337428] ? __run_timers+0x7da/0xc70 [ 196.341722] (UME) [ 196.343784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 196.347906] 27*64kB [ 196.350224] ? kasan_check_write+0x14/0x20 [ 196.354176] (UM) [ 196.356323] ? do_raw_spin_lock+0xc1/0x200 [ 196.361745] 0*128kB [ 196.364068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.368276] 0*256kB [ 196.370389] __run_timers+0x7e5/0xc70 [ 196.374600] 0*512kB [ 196.376926] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 196.381129] 0*1024kB [ 196.383459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 196.387234] 0*2048kB [ 196.389551] ? rcu_bh_qs+0xc0/0xc0 [ 196.394893] 0*4096kB [ 196.397298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.402546] = 13764kB [ 196.404958] ? check_preemption_disabled+0x48/0x200 [ 196.408484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 196.410888] ? rcu_nmi_exit+0xdb/0x280 [ 196.416413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 196.418814] ? ret_from_intr+0xb/0x1e [ 196.423806] 148 total pagecache pages [ 196.432633] ? retint_kernel+0x2d/0x2d [ 196.436495] 0 pages in swap cache [ 196.445069] ? trace_hardirqs_on_caller+0xc0/0x310 [ 196.448858] Swap cache stats: add 0, delete 0, find 0/0 [ 196.452648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.456509] Free swap = 0kB [ 196.459957] ? trace_hardirqs_off+0x310/0x310 [ 196.464867] Total swap = 0kB [ 196.470234] ? check_preemption_disabled+0x48/0x200 [ 196.474966] 1965979 pages RAM [ 196.477988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.482450] 0 pages HighMem/MovableOnly [ 196.482459] 342307 pages reserved [ 196.485477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.490470] 0 pages cma reserved [ 196.493570] ? retint_kernel+0x2d/0x2d [ 196.499134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 196.503081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.506548] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 196.511260] ? check_preemption_disabled+0x48/0x200 [ 196.514598] ksoftirqd/0 cpuset= [ 196.518484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.524948] / [ 196.530480] run_timer_softirq+0x52/0xb0 [ 196.540768] mems_allowed=0 [ 196.545781] ? __this_cpu_preempt_check+0x1c/0x1f [ 196.568044] __do_softirq+0x30b/0xad8 [ 196.571859] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 196.576965] ? pvclock_read_flags+0x160/0x160 [ 196.581460] ? lapic_next_event+0x5a/0x90 [ 196.585606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.591140] ? clockevents_program_event+0x140/0x370 [ 196.596244] ? kvm_clock_read+0x18/0x30 [ 196.600216] ? kvm_sched_clock_read+0x9/0x20 [ 196.604626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.610162] ? check_preemption_disabled+0x48/0x200 [ 196.615188] irq_exit+0x17f/0x1c0 [ 196.618647] smp_apic_timer_interrupt+0x1cb/0x760 [ 196.623485] ? smp_reschedule_interrupt+0x109/0x650 [ 196.628501] ? smp_call_function_single_interrupt+0x650/0x650 [ 196.634381] ? interrupt_entry+0xb5/0xf0 [ 196.638444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 196.643460] ? trace_hardirqs_off_caller+0xbb/0x310 [ 196.648475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.653319] ? trace_hardirqs_on_caller+0x310/0x310 [ 196.658333] ? trace_hardirqs_on_caller+0x310/0x310 [ 196.663360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.668899] ? check_preemption_disabled+0x48/0x200 [ 196.673912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.679452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.684384] apic_timer_interrupt+0xf/0x20 [ 196.688613] [ 196.690856] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 196.695788] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 196.714689] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 196.722393] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 196.729660] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 196.736942] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 196.744208] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 196.751474] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 196.758756] ? trace_hardirqs_on+0xb4/0x310 [ 196.763088] skb_clone+0x1bb/0x500 [ 196.766634] ? finish_task_switch+0x2f5/0x900 [ 196.771127] ? skb_split+0x11e0/0x11e0 [ 196.775015] ? preempt_notifier_register+0x200/0x200 [ 196.780115] ? __switch_to_asm+0x34/0x70 [ 196.784171] ? __switch_to_asm+0x34/0x70 [ 196.788229] ? __switch_to_asm+0x40/0x70 [ 196.792287] ? __switch_to_asm+0x34/0x70 [ 196.796342] ? __switch_to_asm+0x40/0x70 [ 196.800409] ? __switch_to_asm+0x34/0x70 [ 196.804467] ? __switch_to_asm+0x40/0x70 [ 196.808527] ? __switch_to_asm+0x34/0x70 [ 196.812585] ? __switch_to_asm+0x34/0x70 [ 196.816645] ? __switch_to_asm+0x40/0x70 [ 196.820703] ? __switch_to_asm+0x34/0x70 [ 196.824771] bpf_clone_redirect+0xb9/0x490 [ 196.829007] ? __schedule+0x874/0x1ed0 [ 196.832897] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 196.837916] ? __sched_text_start+0x8/0x8 [ 196.842062] ? retint_kernel+0x2d/0x2d [ 196.845946] ? retint_kernel+0x2d/0x2d [ 196.849839] ? trace_hardirqs_on_caller+0xc0/0x310 [ 196.854769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.859534] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.864287] ? trace_hardirqs_off+0x310/0x310 [ 196.868786] ? lock_acquire+0x1ed/0x520 [ 196.872761] ? bpf_test_run+0x32e/0x5a0 [ 196.876738] ? lock_release+0x970/0x970 [ 196.880715] ? preempt_schedule+0x4d/0x60 [ 196.884871] ? preempt_schedule_common+0x1f/0xd0 [ 196.889627] ? preempt_schedule+0x4d/0x60 [ 196.893775] ? ___preempt_schedule+0x16/0x18 [ 196.898187] ? bpf_test_run+0x1c0/0x5a0 [ 196.902167] ? netlink_diag_dump+0x2a0/0x2a0 [ 196.906577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 196.912111] ? bpf_test_init.isra.9+0x70/0x100 [ 196.916695] ? bpf_prog_test_run_skb+0x634/0xb40 [ 196.921453] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 196.926297] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 196.931830] ? fput+0x130/0x1a0 [ 196.935118] ? __bpf_prog_get+0x9b/0x290 [ 196.939176] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 196.944012] ? bpf_prog_test_run+0x130/0x1a0 [ 196.948419] ? __x64_sys_bpf+0x3d8/0x510 [ 196.952477] ? bpf_prog_get+0x20/0x20 [ 196.956289] ? do_syscall_64+0x1b9/0x820 [ 196.960359] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 196.965725] ? syscall_return_slowpath+0x5e0/0x5e0 [ 196.970654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.975512] ? trace_hardirqs_on_caller+0x310/0x310 [ 196.980533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 196.985549] ? prepare_exit_to_usermode+0x291/0x3b0 [ 196.990565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.995415] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 197.000788] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 197.000850] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 197.007570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.014127] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 197.023390] Call Trace: [ 197.033866] syz-executor0 cpuset=syz0 [ 197.036454] dump_stack+0x1c4/0x2b4 [ 197.036473] ? dump_stack_print_info.cold.2+0x52/0x52 [ 197.040251] mems_allowed=0 [ 197.043884] warn_alloc.cold.119+0xb7/0x1bd [ 197.056278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 197.061125] ? lock_downgrade+0x900/0x900 [ 197.065275] ? trace_hardirqs_off+0xb8/0x310 [ 197.069687] ? trace_hardirqs_off+0xb8/0x310 [ 197.074100] __alloc_pages_slowpath+0x2667/0x2d80 [ 197.078960] ? warn_alloc+0x120/0x120 [ 197.082759] ? warn_alloc+0x120/0x120 [ 197.086558] ? warn_alloc+0x120/0x120 [ 197.090358] ? mark_held_locks+0x130/0x130 [ 197.094599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.100136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.105669] ? should_fail+0x22d/0xd01 [ 197.109556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.114655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.120188] ? should_fail+0x22d/0xd01 [ 197.124075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.129173] ? should_fail+0x22d/0xd01 [ 197.133061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.138164] ? mark_held_locks+0x130/0x130 [ 197.142406] ? mark_held_locks+0x130/0x130 [ 197.146644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.152182] ? trace_hardirqs_off+0xb8/0x310 [ 197.156585] ? kasan_check_read+0x11/0x20 [ 197.160736] ? do_raw_spin_unlock+0xa7/0x2f0 [ 197.165140] ? trace_hardirqs_on+0x310/0x310 [ 197.169549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.175081] ? wq_watchdog_touch+0x9c/0xfe [ 197.179314] ? io_serial_in+0x11/0x90 [ 197.183111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.188654] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 197.193764] __alloc_pages_nodemask+0xa80/0xde0 [ 197.198431] ? should_fail+0x22d/0xd01 [ 197.202345] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 197.207372] ? ____cache_alloc_node+0x1c7/0x1e0 [ 197.212044] ? lock_downgrade+0x900/0x900 [ 197.216194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.221732] cache_grow_begin+0x91/0x8c0 [ 197.225791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 197.230200] fallback_alloc+0x203/0x2e0 [ 197.234177] ____cache_alloc_node+0x1c7/0x1e0 [ 197.238673] kmem_cache_alloc_node+0xe3/0x730 [ 197.243170] ? ipv6_get_ifaddr+0x42e/0x620 [ 197.247416] __alloc_skb+0x119/0x770 [ 197.251133] ? skb_scrub_packet+0x490/0x490 [ 197.255452] ? lock_downgrade+0x900/0x900 [ 197.259601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.265142] ? refcount_sub_and_test_checked+0x203/0x310 [ 197.270595] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 197.276130] ? addrconf_rs_timer+0x690/0x690 [ 197.280547] ndisc_alloc_skb+0x144/0x340 [ 197.284611] ndisc_send_rs+0x331/0x6e0 [ 197.288524] addrconf_rs_timer+0x314/0x690 [ 197.292758] ? lock_release+0x970/0x970 [ 197.296737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.300983] call_timer_fn+0x272/0x920 [ 197.304880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.309123] ? process_timeout+0x40/0x40 [ 197.313177] ? kasan_check_read+0x11/0x20 [ 197.317325] ? do_raw_spin_unlock+0xa7/0x2f0 [ 197.321732] ? trace_hardirqs_on+0x310/0x310 [ 197.326141] ? __run_timers+0x7da/0xc70 [ 197.330116] ? lock_downgrade+0x900/0x900 [ 197.334266] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 197.339370] ? trace_hardirqs_on+0xbd/0x310 [ 197.343697] ? kasan_check_read+0x11/0x20 [ 197.347857] ? __run_timers+0x7da/0xc70 [ 197.351843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 197.357300] ? kasan_check_write+0x14/0x20 [ 197.361533] ? do_raw_spin_lock+0xc1/0x200 [ 197.365770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.370010] __run_timers+0x7e5/0xc70 [ 197.373818] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 197.379191] ? lock_downgrade+0x900/0x900 [ 197.383338] ? finish_task_switch+0x1b5/0x900 [ 197.387844] ? trace_hardirqs_on+0xbd/0x310 [ 197.392167] ? kasan_check_read+0x11/0x20 [ 197.396310] ? finish_task_switch+0x1f5/0x900 [ 197.400800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 197.406781] ? compat_start_thread+0x80/0x80 [ 197.411199] ? pvclock_read_flags+0x160/0x160 [ 197.415702] ? __switch_to_asm+0x34/0x70 [ 197.419759] ? __switch_to_asm+0x34/0x70 [ 197.423815] ? __switch_to_asm+0x40/0x70 [ 197.427890] ? __switch_to_asm+0x40/0x70 [ 197.431949] ? __switch_to_asm+0x34/0x70 [ 197.436006] ? __switch_to_asm+0x40/0x70 [ 197.440066] ? trace_hardirqs_on+0xbd/0x310 [ 197.444384] ? kvm_sched_clock_read+0x9/0x20 [ 197.448794] ? run_ksoftirqd+0x94/0x100 [ 197.452770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.458307] ? check_preemption_disabled+0x48/0x200 [ 197.463328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.468880] run_timer_softirq+0x52/0xb0 [ 197.472942] ? __this_cpu_preempt_check+0x1c/0x1f [ 197.477782] __do_softirq+0x30b/0xad8 [ 197.481595] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 197.486701] ? schedule+0x108/0x460 [ 197.490336] ? trace_hardirqs_off+0xb8/0x310 [ 197.494749] ? smpboot_thread_fn+0x68b/0xa00 [ 197.499157] ? trace_hardirqs_on+0x310/0x310 [ 197.503562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.509270] ? check_preemption_disabled+0x48/0x200 [ 197.514282] ? takeover_tasklets+0xa90/0xa90 [ 197.518689] run_ksoftirqd+0x94/0x100 [ 197.522488] smpboot_thread_fn+0x68b/0xa00 [ 197.526721] ? sort_range+0x30/0x30 [ 197.530345] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 197.535451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.540990] ? __kthread_parkme+0xfb/0x1a0 [ 197.545316] kthread+0x35a/0x420 [ 197.548681] ? sort_range+0x30/0x30 [ 197.552304] ? kthread_bind+0x40/0x40 [ 197.556107] ret_from_fork+0x3a/0x50 [ 197.559826] warn_alloc_show_mem: 1 callbacks suppressed [ 197.559848] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 197.559853] Mem-Info: [ 197.559882] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 197.559882] active_file:16 inactive_file:13 isolated_file:0 [ 197.559882] unevictable:0 dirty:0 writeback:0 unstable:0 [ 197.559882] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 197.559882] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 197.559882] free:13630 free_pcp:242 free_cma:0 [ 197.565230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.572423] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 197.574818] Call Trace: [ 197.607700] Node 0 [ 197.617050] [ 197.644644] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 197.647207] dump_stack+0x1c4/0x2b4 [ 197.649415] lowmem_reserve[]: [ 197.651563] ? dump_stack_print_info.cold.2+0x52/0x52 [ 197.677123] 0 2819 [ 197.680764] warn_alloc.cold.119+0xb7/0x1bd [ 197.683854] 6323 [ 197.689034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 197.691244] 6323 [ 197.695560] ? lock_downgrade+0x900/0x900 [ 197.702430] ? trace_hardirqs_off+0xb8/0x310 [ 197.704468] Node 0 [ 197.708609] ? trace_hardirqs_off+0xb8/0x310 [ 197.713021] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 197.715228] __alloc_pages_slowpath+0x2667/0x2d80 [ 197.719609] lowmem_reserve[]: [ 197.746594] ? warn_alloc+0x120/0x120 [ 197.751398] 0 0 [ 197.754509] ? trace_hardirqs_on+0x310/0x310 [ 197.758283] 3503 [ 197.760254] ? warn_alloc+0x120/0x120 [ 197.764637] 3503 [ 197.766693] ? warn_alloc+0x120/0x120 [ 197.770472] Node 0 [ 197.772528] ? ktime_get+0x2e1/0x440 [ 197.776328] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 197.778537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.782227] lowmem_reserve[]: [ 197.810512] ? check_preemption_disabled+0x48/0x200 [ 197.816024] 0 [ 197.819127] ? kasan_check_read+0x11/0x20 [ 197.824116] 0 0 [ 197.825928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.830052] 0 [ 197.832035] ? should_fail+0x22d/0xd01 [ 197.839354] ? rcu_bh_qs+0xc0/0xc0 [ 197.843208] Node 0 DMA: [ 197.846748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.846766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.849417] 1*4kB [ 197.854511] ? should_fail+0x22d/0xd01 [ 197.860027] (U) [ 197.862178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.866042] 0*8kB [ 197.868016] ? should_fail+0x22d/0xd01 [ 197.873096] 0*16kB [ 197.875247] ? rcu_idle_enter+0x4b0/0x4b0 [ 197.879108] 1*32kB [ 197.881339] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.885461] (U) [ 197.887694] ? mark_held_locks+0x130/0x130 [ 197.892793] 2*64kB [ 197.894768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.898989] (U) [ 197.901225] ? mark_held_locks+0x130/0x130 [ 197.906739] 1*128kB [ 197.908713] ? rcu_irq_exit+0xce/0x100 [ 197.912921] (U) [ 197.915243] ? irq_exit+0xbd/0x1c0 [ 197.919108] 1*256kB [ 197.921081] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 197.924592] (U) [ 197.926914] ? do_raw_spin_unlock+0xa7/0x2f0 [ 197.931906] 0*512kB [ 197.933884] ? smp_call_function_single_interrupt+0x650/0x650 [ 197.938285] 1*1024kB [ 197.940606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.946462] (U) [ 197.948880] ? ret_from_intr+0xb/0x1e [ 197.954398] 1*2048kB [ 197.956373] ? retint_kernel+0x2d/0x2d [ 197.960152] (M) [ 197.962561] ? trace_hardirqs_on_caller+0xc0/0x310 [ 197.966421] 3*4096kB [ 197.968403] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 197.973305] (M) [ 197.975712] ? trace_hardirqs_off+0x310/0x310 [ 197.980443] = 15908kB [ 197.982417] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 197.986890] Node 0 [ 197.989299] __alloc_pages_nodemask+0xa80/0xde0 [ 197.994380] DMA32: [ 197.996621] ? should_fail+0x22d/0xd01 [ 198.001266] 4*4kB [ 198.003522] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 198.007385] (M) [ 198.009543] ? ____cache_alloc_node+0x1c7/0x1e0 [ 198.014525] 0*8kB [ 198.016500] ? lock_downgrade+0x900/0x900 [ 198.021144] 2*16kB [ 198.023291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.027427] (M) [ 198.029660] cache_grow_begin+0x91/0x8c0 [ 198.035172] 2*32kB [ 198.037151] ? do_raw_spin_unlock+0xa7/0x2f0 [ 198.041185] (M) [ 198.043425] fallback_alloc+0x203/0x2e0 [ 198.047809] 5*64kB [ 198.049789] ____cache_alloc_node+0x1c7/0x1e0 [ 198.053744] (UM) [ 198.055980] kmem_cache_alloc_node+0xe3/0x730 [ 198.060448] 3*128kB (M) [ 198.062519] ? ipv6_get_ifaddr+0x42e/0x620 [ 198.066990] 4*256kB [ 198.069662] __alloc_skb+0x119/0x770 [ 198.073870] (UM) [ 198.076193] ? skb_scrub_packet+0x490/0x490 [ 198.079889] 3*512kB [ 198.081950] ? lock_downgrade+0x900/0x900 [ 198.086244] (M) [ 198.088581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.092702] 3*1024kB [ 198.094677] ? refcount_sub_and_test_checked+0x203/0x310 [ 198.100181] (UM) 1*2048kB [ 198.102600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 198.108023] (M) [ 198.110874] ? addrconf_rs_timer+0x690/0x690 [ 198.116299] 4*4096kB [ 198.118274] ndisc_alloc_skb+0x144/0x340 [ 198.122651] (M) [ 198.125056] ndisc_send_rs+0x331/0x6e0 [ 198.129093] = 24880kB [ 198.131064] addrconf_rs_timer+0x314/0x690 [ 198.134952] Node 0 [ 198.137369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.141572] Normal: [ 198.143813] call_timer_fn+0x272/0x920 [ 198.148021] 719*4kB [ 198.150351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.154201] (ME) [ 198.156526] ? process_timeout+0x40/0x40 [ 198.160732] 385*8kB [ 198.162789] ? trace_hardirqs_off+0xb8/0x310 [ 198.166821] (UME) [ 198.169148] ? kasan_check_read+0x11/0x20 [ 198.173531] 182*16kB [ 198.175703] ? do_raw_spin_unlock+0xa7/0x2f0 [ 198.179823] (ME) [ 198.182246] ? trace_hardirqs_on+0x310/0x310 [ 198.186635] 99*32kB [ 198.188694] ? __run_timers+0x7da/0xc70 [ 198.193067] (UME) 27*64kB [ 198.195403] ? lock_downgrade+0x900/0x900 [ 198.199355] (UM) [ 198.202305] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 198.206438] 0*128kB 0*256kB [ 198.208508] ? trace_hardirqs_on+0xbd/0x310 [ 198.213586] 0*512kB [ 198.216599] ? kasan_check_read+0x11/0x20 [ 198.220899] 0*1024kB [ 198.223222] ? __run_timers+0x7da/0xc70 [ 198.227342] 0*2048kB [ 198.229753] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 198.233703] 0*4096kB [ 198.236110] ? kasan_check_write+0x14/0x20 [ 198.241528] = 13764kB [ 198.241543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 198.243951] ? do_raw_spin_lock+0xc1/0x200 [ 198.248249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 198.250650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.259479] 148 total pagecache pages [ 198.263712] __run_timers+0x7e5/0xc70 [ 198.272261] 0 pages in swap cache [ 198.276501] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 198.280283] Swap cache stats: add 0, delete 0, find 0/0 [ 198.284084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 198.287511] Free swap = 0kB [ 198.292879] ? rcu_bh_qs+0xc0/0xc0 [ 198.298216] Total swap = 0kB [ 198.303496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.306491] 1965979 pages RAM [ 198.310034] ? check_preemption_disabled+0x48/0x200 [ 198.313025] 0 pages HighMem/MovableOnly [ 198.318557] ? rcu_nmi_exit+0xdb/0x280 [ 198.321633] 342307 pages reserved [ 198.326642] ? ret_from_intr+0xb/0x1e [ 198.330589] 0 pages cma reserved [ 198.334476] ? retint_kernel+0x2d/0x2d [ 198.337958] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 198.341699] ? trace_hardirqs_on_caller+0xc0/0x310 [ 198.341715] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.341732] ? trace_hardirqs_off+0x310/0x310 [ 198.345125] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 198.348972] ? check_preemption_disabled+0x48/0x200 [ 198.355443] ksoftirqd/0 cpuset= [ 198.360375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.365109] / [ 198.369609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.379903] mems_allowed=0 [ 198.384920] ? retint_kernel+0x2d/0x2d [ 198.406964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.412505] ? check_preemption_disabled+0x48/0x200 [ 198.417522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.423062] run_timer_softirq+0x52/0xb0 [ 198.427128] ? __this_cpu_preempt_check+0x1c/0x1f [ 198.432001] __do_softirq+0x30b/0xad8 [ 198.435820] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 198.440949] ? pvclock_read_flags+0x160/0x160 [ 198.445444] ? lapic_next_event+0x5a/0x90 [ 198.450203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.455745] ? clockevents_program_event+0x140/0x370 [ 198.460868] ? kvm_clock_read+0x18/0x30 [ 198.464853] ? kvm_sched_clock_read+0x9/0x20 [ 198.469272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.474813] ? check_preemption_disabled+0x48/0x200 [ 198.479857] irq_exit+0x17f/0x1c0 [ 198.483319] smp_apic_timer_interrupt+0x1cb/0x760 [ 198.488171] ? smp_reschedule_interrupt+0x109/0x650 [ 198.493192] ? smp_call_function_single_interrupt+0x650/0x650 [ 198.499076] ? interrupt_entry+0xb5/0xf0 [ 198.503140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 198.508152] ? trace_hardirqs_off_caller+0xbb/0x310 [ 198.513168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.518012] ? trace_hardirqs_on_caller+0x310/0x310 [ 198.523026] ? trace_hardirqs_on_caller+0x310/0x310 [ 198.528047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.533588] ? check_preemption_disabled+0x48/0x200 [ 198.538603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.544151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.548998] apic_timer_interrupt+0xf/0x20 [ 198.553236] [ 198.555472] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 198.560413] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 198.579312] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 198.587028] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 198.594295] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 198.601570] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 198.608845] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 198.616116] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 198.623404] ? trace_hardirqs_on+0xb4/0x310 [ 198.627738] skb_clone+0x1bb/0x500 [ 198.631280] ? finish_task_switch+0x2f5/0x900 [ 198.635778] ? skb_split+0x11e0/0x11e0 [ 198.639666] ? preempt_notifier_register+0x200/0x200 [ 198.644765] ? __switch_to_asm+0x34/0x70 [ 198.648822] ? __switch_to_asm+0x34/0x70 [ 198.652889] ? __switch_to_asm+0x40/0x70 [ 198.656947] ? __switch_to_asm+0x34/0x70 [ 198.661005] ? __switch_to_asm+0x40/0x70 [ 198.665061] ? __switch_to_asm+0x34/0x70 [ 198.669125] ? __switch_to_asm+0x40/0x70 [ 198.673181] ? __switch_to_asm+0x34/0x70 [ 198.677243] ? __switch_to_asm+0x34/0x70 [ 198.681298] ? __switch_to_asm+0x40/0x70 [ 198.685362] ? __switch_to_asm+0x34/0x70 [ 198.689429] bpf_clone_redirect+0xb9/0x490 [ 198.693667] ? __schedule+0x874/0x1ed0 [ 198.697565] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 198.702583] ? __sched_text_start+0x8/0x8 [ 198.706731] ? retint_kernel+0x2d/0x2d [ 198.710615] ? retint_kernel+0x2d/0x2d [ 198.714505] ? trace_hardirqs_on_caller+0xc0/0x310 [ 198.719440] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.724195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.728954] ? trace_hardirqs_off+0x310/0x310 [ 198.733456] ? lock_acquire+0x1ed/0x520 [ 198.737428] ? bpf_test_run+0x32e/0x5a0 [ 198.741406] ? lock_release+0x970/0x970 [ 198.745383] ? preempt_schedule+0x4d/0x60 [ 198.749530] ? preempt_schedule_common+0x1f/0xd0 [ 198.754285] ? preempt_schedule+0x4d/0x60 [ 198.758434] ? ___preempt_schedule+0x16/0x18 [ 198.762858] ? bpf_test_run+0x1c0/0x5a0 [ 198.766845] ? netlink_diag_dump+0x2a0/0x2a0 [ 198.771258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 198.776805] ? bpf_test_init.isra.9+0x70/0x100 [ 198.781400] ? bpf_prog_test_run_skb+0x634/0xb40 [ 198.786162] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 198.791005] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 198.796536] ? fput+0x130/0x1a0 [ 198.799816] ? __bpf_prog_get+0x9b/0x290 [ 198.803883] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 198.808725] ? bpf_prog_test_run+0x130/0x1a0 [ 198.813135] ? __x64_sys_bpf+0x3d8/0x510 [ 198.817195] ? bpf_prog_get+0x20/0x20 [ 198.821009] ? do_syscall_64+0x1b9/0x820 [ 198.825072] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 198.830438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 198.835375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.840219] ? trace_hardirqs_on_caller+0x310/0x310 [ 198.845233] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 198.850251] ? prepare_exit_to_usermode+0x291/0x3b0 [ 198.855268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.860116] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 198.865489] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 198.865542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 198.872255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.872259] Call Trace: [ 198.872280] dump_stack+0x1c4/0x2b4 [ 198.872302] ? dump_stack_print_info.cold.2+0x52/0x52 [ 198.878872] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 198.888137] warn_alloc.cold.119+0xb7/0x1bd [ 198.890698] syz-executor0 cpuset= [ 198.894324] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 198.899490] syz0 [ 198.909976] ? lock_downgrade+0x900/0x900 [ 198.914366] mems_allowed=0 [ 198.917814] ? trace_hardirqs_off+0xb8/0x310 [ 198.936044] ? trace_hardirqs_off+0xb8/0x310 [ 198.940460] __alloc_pages_slowpath+0x2667/0x2d80 [ 198.945322] ? warn_alloc+0x120/0x120 [ 198.949129] ? warn_alloc+0x120/0x120 [ 198.952930] ? warn_alloc+0x120/0x120 [ 198.956734] ? mark_held_locks+0x130/0x130 [ 198.960975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.966515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 198.972048] ? should_fail+0x22d/0xd01 [ 198.975938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 198.981042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 198.986575] ? should_fail+0x22d/0xd01 [ 198.990467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 198.995570] ? should_fail+0x22d/0xd01 [ 198.999457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.004560] ? mark_held_locks+0x130/0x130 [ 199.008795] ? mark_held_locks+0x130/0x130 [ 199.013033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.018570] ? trace_hardirqs_off+0xb8/0x310 [ 199.022980] ? kasan_check_read+0x11/0x20 [ 199.027128] ? do_raw_spin_unlock+0xa7/0x2f0 [ 199.031533] ? trace_hardirqs_on+0x310/0x310 [ 199.035950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.041484] ? wq_watchdog_touch+0x9c/0xfe [ 199.045717] ? io_serial_in+0x11/0x90 [ 199.049515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.055059] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 199.060176] __alloc_pages_nodemask+0xa80/0xde0 [ 199.064861] ? should_fail+0x22d/0xd01 [ 199.068760] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 199.073792] ? ____cache_alloc_node+0x1c7/0x1e0 [ 199.078461] ? lock_downgrade+0x900/0x900 [ 199.082613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.088154] cache_grow_begin+0x91/0x8c0 [ 199.092217] ? do_raw_spin_unlock+0xa7/0x2f0 [ 199.096631] fallback_alloc+0x203/0x2e0 [ 199.100609] ____cache_alloc_node+0x1c7/0x1e0 [ 199.105105] kmem_cache_alloc_node+0xe3/0x730 [ 199.109621] ? ipv6_get_ifaddr+0x42e/0x620 [ 199.113878] __alloc_skb+0x119/0x770 [ 199.117604] ? skb_scrub_packet+0x490/0x490 [ 199.121924] ? lock_downgrade+0x900/0x900 [ 199.126076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.131610] ? refcount_sub_and_test_checked+0x203/0x310 [ 199.137062] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 199.142515] ? addrconf_rs_timer+0x690/0x690 [ 199.146935] ndisc_alloc_skb+0x144/0x340 [ 199.151005] ndisc_send_rs+0x331/0x6e0 [ 199.154894] addrconf_rs_timer+0x314/0x690 [ 199.159128] ? lock_release+0x970/0x970 [ 199.163123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.167365] call_timer_fn+0x272/0x920 [ 199.171253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.175488] ? process_timeout+0x40/0x40 [ 199.179544] ? kasan_check_read+0x11/0x20 [ 199.183694] ? do_raw_spin_unlock+0xa7/0x2f0 [ 199.188100] ? trace_hardirqs_on+0x310/0x310 [ 199.192509] ? __run_timers+0x7da/0xc70 [ 199.196484] ? lock_downgrade+0x900/0x900 [ 199.200630] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 199.205730] ? trace_hardirqs_on+0xbd/0x310 [ 199.210046] ? kasan_check_read+0x11/0x20 [ 199.214195] ? __run_timers+0x7da/0xc70 [ 199.218166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 199.223613] ? kasan_check_write+0x14/0x20 [ 199.227865] ? do_raw_spin_lock+0xc1/0x200 [ 199.232104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.236335] __run_timers+0x7e5/0xc70 [ 199.240142] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 199.245504] ? lock_downgrade+0x900/0x900 [ 199.249650] ? finish_task_switch+0x1b5/0x900 [ 199.254144] ? trace_hardirqs_on+0xbd/0x310 [ 199.258462] ? kasan_check_read+0x11/0x20 [ 199.262623] ? finish_task_switch+0x1f5/0x900 [ 199.267132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 199.272588] ? compat_start_thread+0x80/0x80 [ 199.277013] ? pvclock_read_flags+0x160/0x160 [ 199.281512] ? __switch_to_asm+0x34/0x70 [ 199.285573] ? __switch_to_asm+0x34/0x70 [ 199.289629] ? __switch_to_asm+0x40/0x70 [ 199.293687] ? __switch_to_asm+0x40/0x70 [ 199.297746] ? __switch_to_asm+0x34/0x70 [ 199.301803] ? __switch_to_asm+0x40/0x70 [ 199.305902] ? trace_hardirqs_on+0xbd/0x310 [ 199.310234] ? kvm_sched_clock_read+0x9/0x20 [ 199.314657] ? run_ksoftirqd+0x94/0x100 [ 199.318645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.324194] ? check_preemption_disabled+0x48/0x200 [ 199.329224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.334778] run_timer_softirq+0x52/0xb0 [ 199.338860] ? __this_cpu_preempt_check+0x1c/0x1f [ 199.343714] __do_softirq+0x30b/0xad8 [ 199.347532] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 199.352648] ? schedule+0x108/0x460 [ 199.356290] ? trace_hardirqs_off+0xb8/0x310 [ 199.360702] ? smpboot_thread_fn+0x68b/0xa00 [ 199.365117] ? trace_hardirqs_on+0x310/0x310 [ 199.369531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.375075] ? check_preemption_disabled+0x48/0x200 [ 199.380113] ? takeover_tasklets+0xa90/0xa90 [ 199.384522] run_ksoftirqd+0x94/0x100 [ 199.388322] smpboot_thread_fn+0x68b/0xa00 [ 199.392560] ? sort_range+0x30/0x30 [ 199.396193] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 199.401305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.407319] ? __kthread_parkme+0xfb/0x1a0 [ 199.411562] kthread+0x35a/0x420 [ 199.414930] ? sort_range+0x30/0x30 [ 199.418553] ? kthread_bind+0x40/0x40 [ 199.422355] ret_from_fork+0x3a/0x50 [ 199.426075] warn_alloc_show_mem: 1 callbacks suppressed [ 199.426088] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 199.426089] Mem-Info: [ 199.426119] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 199.426119] active_file:16 inactive_file:13 isolated_file:0 [ 199.426119] unevictable:0 dirty:0 writeback:0 unstable:0 [ 199.426119] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 199.426119] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 199.426119] free:13630 free_pcp:242 free_cma:0 [ 199.431470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.438664] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 199.441066] Call Trace: [ 199.473964] Node 0 [ 199.483324] [ 199.511083] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 199.513658] dump_stack+0x1c4/0x2b4 [ 199.515865] lowmem_reserve[]: 0 [ 199.518034] ? dump_stack_print_info.cold.2+0x52/0x52 [ 199.543509] 2819 6323 [ 199.547163] warn_alloc.cold.119+0xb7/0x1bd [ 199.550409] 6323 [ 199.555595] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 199.562386] ? lock_downgrade+0x900/0x900 [ 199.564429] Node 0 [ 199.569267] ? trace_hardirqs_off+0xb8/0x310 [ 199.573587] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 199.575793] ? trace_hardirqs_off+0xb8/0x310 [ 199.580178] lowmem_reserve[]: [ 199.607157] __alloc_pages_slowpath+0x2667/0x2d80 [ 199.611543] 0 [ 199.614656] ? nohz_balance_exit_idle+0x65/0x3e0 [ 199.619466] 0 [ 199.621265] ? warn_alloc+0x120/0x120 [ 199.626003] 3503 [ 199.627803] ? warn_alloc+0x120/0x120 [ 199.631577] 3503 [ 199.633634] ? warn_alloc+0x120/0x120 [ 199.639467] ? lock_downgrade+0x900/0x900 [ 199.643242] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 199.647412] ? kasan_check_read+0x11/0x20 [ 199.647431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.676290] lowmem_reserve[]: 0 [ 199.680446] ? should_fail+0x22d/0xd01 [ 199.685955] 0 [ 199.689231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.693097] 0 [ 199.694914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.699987] 0 [ 199.701788] ? should_fail+0x22d/0xd01 [ 199.707302] Node 0 [ 199.709105] ? perf_event_task_tick+0xa75/0xfa0 [ 199.712966] DMA: [ 199.715202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.719853] 1*4kB [ 199.721917] ? should_fail+0x22d/0xd01 [ 199.726993] (U) [ 199.729143] ? trace_hardirqs_off+0xb8/0x310 [ 199.733006] 0*8kB [ 199.734981] ? kasan_check_read+0x11/0x20 [ 199.739365] 0*16kB [ 199.741524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.745650] 1*32kB [ 199.747887] ? mark_held_locks+0x130/0x130 [ 199.752962] (U) [ 199.755196] ? mark_held_locks+0x130/0x130 [ 199.759408] 2*64kB [ 199.761382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 199.765589] (U) [ 199.767824] ? debug_object_activate+0x402/0x600 [ 199.772922] 1*128kB [ 199.774898] ? task_tick_fair+0x26f/0x330 [ 199.779626] (U) [ 199.781947] ? debug_object_assert_init+0x4b0/0x4b0 [ 199.786071] 1*256kB [ 199.788045] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 199.793034] (U) [ 199.795365] ? timerqueue_add+0x207/0x2b0 [ 199.800349] 0*512kB 1*1024kB [ 199.802332] ? enqueue_hrtimer+0x1a5/0x560 [ 199.806453] (U) [ 199.809569] ? lock_release+0x970/0x970 [ 199.813782] 1*2048kB [ 199.815758] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 199.819699] (M) 3*4096kB [ 199.822122] __alloc_pages_nodemask+0xa80/0xde0 [ 199.827278] (M) = 15908kB [ 199.830047] ? should_fail+0x22d/0xd01 [ 199.834689] Node 0 [ 199.837448] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 199.841306] DMA32: [ 199.843550] ? ____cache_alloc_node+0x1c7/0x1e0 [ 199.848532] 4*4kB [ 199.850766] ? lock_downgrade+0x900/0x900 [ 199.855405] (M) [ 199.857566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.861692] 0*8kB [ 199.863667] cache_grow_begin+0x91/0x8c0 [ 199.869191] 2*16kB (M) [ 199.871357] ? do_raw_spin_unlock+0xa7/0x2f0 [ 199.875388] 2*32kB [ 199.877970] fallback_alloc+0x203/0x2e0 [ 199.882356] (M) [ 199.884589] ____cache_alloc_node+0x1c7/0x1e0 [ 199.888530] 5*64kB (UM) [ 199.890511] kmem_cache_alloc_node+0xe3/0x730 [ 199.894982] 3*128kB [ 199.897650] ? ipv6_get_ifaddr+0x42e/0x620 [ 199.902117] (M) [ 199.904439] __alloc_skb+0x119/0x770 [ 199.908647] 4*256kB [ 199.910619] ? skb_scrub_packet+0x490/0x490 [ 199.914306] (UM) [ 199.916632] ? lock_downgrade+0x900/0x900 [ 199.920927] 3*512kB [ 199.922989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.927109] (M) [ 199.929430] ? refcount_sub_and_test_checked+0x203/0x310 [ 199.934944] 3*1024kB [ 199.936922] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 199.942341] (UM) [ 199.944758] ? addrconf_rs_timer+0x690/0x690 [ 199.950184] 1*2048kB [ 199.952247] ndisc_alloc_skb+0x144/0x340 [ 199.956623] (M) [ 199.959030] ndisc_send_rs+0x331/0x6e0 [ 199.963066] 4*4096kB [ 199.965041] addrconf_rs_timer+0x314/0x690 [ 199.968903] (M) [ 199.971312] ? can_stat_update+0x59a/0xa60 [ 199.975519] = 24880kB [ 199.977491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.981699] Node 0 [ 199.984197] call_timer_fn+0x272/0x920 [ 199.988404] Normal: [ 199.990637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.994499] 719*4kB [ 199.996819] ? process_timeout+0x40/0x40 [ 200.001032] (ME) [ 200.003363] ? trace_hardirqs_off+0xb8/0x310 [ 200.007392] 385*8kB [ 200.009448] ? kasan_check_read+0x11/0x20 [ 200.013828] (UME) [ 200.016164] ? do_raw_spin_unlock+0xa7/0x2f0 [ 200.020286] 182*16kB [ 200.022432] ? trace_hardirqs_on+0x310/0x310 [ 200.026810] (ME) 99*32kB [ 200.029241] ? __run_timers+0x7da/0xc70 [ 200.033621] (UME) [ 200.036381] ? lock_downgrade+0x900/0x900 [ 200.040322] 27*64kB (UM) [ 200.042485] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 200.046610] 0*128kB [ 200.049364] ? trace_hardirqs_on+0xbd/0x310 [ 200.054438] 0*256kB [ 200.056753] ? kasan_check_read+0x11/0x20 [ 200.061049] 0*512kB [ 200.063374] ? __run_timers+0x7da/0xc70 [ 200.067494] 0*1024kB [ 200.069812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 200.073761] 0*2048kB [ 200.076171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.081589] 0*4096kB = 13764kB [ 200.084007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.089524] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 200.092710] __run_timers+0x7e5/0xc70 [ 200.096927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 200.105781] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 200.109558] 148 total pagecache pages [ 200.118133] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 200.123470] 0 pages in swap cache [ 200.127264] ? rcu_bh_qs+0xc0/0xc0 [ 200.132517] Swap cache stats: add 0, delete 0, find 0/0 [ 200.135965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.139475] Free swap = 0kB [ 200.144847] ? check_preemption_disabled+0x48/0x200 [ 200.150361] Total swap = 0kB [ 200.153378] ? rcu_nmi_exit+0xdb/0x280 [ 200.158373] 1965979 pages RAM [ 200.161393] ? ret_from_intr+0xb/0x1e [ 200.165256] 0 pages HighMem/MovableOnly [ 200.168360] ? retint_kernel+0x2d/0x2d [ 200.172133] 342307 pages reserved [ 200.176103] ? trace_hardirqs_on_caller+0xc0/0x310 [ 200.179958] 0 pages cma reserved [ 200.180021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 200.183421] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.188366] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 200.191692] ? trace_hardirqs_off+0x310/0x310 [ 200.198160] ksoftirqd/0 cpuset= [ 200.202917] ? check_preemption_disabled+0x48/0x200 [ 200.213199] / [ 200.217698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.220952] mems_allowed=0 [ 200.226019] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.240909] ? retint_kernel+0x2d/0x2d [ 200.244797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.250335] ? check_preemption_disabled+0x48/0x200 [ 200.255364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.260909] run_timer_softirq+0x52/0xb0 [ 200.264971] ? __this_cpu_preempt_check+0x1c/0x1f [ 200.269814] __do_softirq+0x30b/0xad8 [ 200.273632] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 200.278735] ? pvclock_read_flags+0x160/0x160 [ 200.283227] ? lapic_next_event+0x5a/0x90 [ 200.287381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.292918] ? clockevents_program_event+0x140/0x370 [ 200.298024] ? kvm_clock_read+0x18/0x30 [ 200.302000] ? kvm_sched_clock_read+0x9/0x20 [ 200.306409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.311945] ? check_preemption_disabled+0x48/0x200 [ 200.316977] irq_exit+0x17f/0x1c0 [ 200.320431] smp_apic_timer_interrupt+0x1cb/0x760 [ 200.325271] ? smp_reschedule_interrupt+0x109/0x650 [ 200.330285] ? smp_call_function_single_interrupt+0x650/0x650 [ 200.336167] ? interrupt_entry+0xb5/0xf0 [ 200.340226] ? trace_hardirqs_off_caller+0xbb/0x310 [ 200.345237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 200.350252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.355091] ? trace_hardirqs_on_caller+0x310/0x310 [ 200.360107] ? trace_hardirqs_on_caller+0x310/0x310 [ 200.365123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.370662] ? check_preemption_disabled+0x48/0x200 [ 200.375676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.381217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.386066] apic_timer_interrupt+0xf/0x20 [ 200.390293] [ 200.392536] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 200.397463] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 200.416364] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 200.424070] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 200.431351] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 200.438617] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 200.445887] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 200.453153] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 200.460435] ? trace_hardirqs_on+0xb4/0x310 [ 200.464770] skb_clone+0x1bb/0x500 [ 200.468313] ? finish_task_switch+0x2f5/0x900 [ 200.472821] ? skb_split+0x11e0/0x11e0 [ 200.476718] ? preempt_notifier_register+0x200/0x200 [ 200.481823] ? __switch_to_asm+0x34/0x70 [ 200.485899] ? __switch_to_asm+0x34/0x70 [ 200.489957] ? __switch_to_asm+0x40/0x70 [ 200.494019] ? __switch_to_asm+0x34/0x70 [ 200.498076] ? __switch_to_asm+0x40/0x70 [ 200.502133] ? __switch_to_asm+0x34/0x70 [ 200.506192] ? __switch_to_asm+0x40/0x70 [ 200.510249] ? __switch_to_asm+0x34/0x70 [ 200.514307] ? __switch_to_asm+0x34/0x70 [ 200.518366] ? __switch_to_asm+0x40/0x70 [ 200.522428] ? __switch_to_asm+0x34/0x70 [ 200.526492] bpf_clone_redirect+0xb9/0x490 [ 200.530726] ? __schedule+0x874/0x1ed0 [ 200.534615] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 200.539630] ? __sched_text_start+0x8/0x8 [ 200.543780] ? retint_kernel+0x2d/0x2d [ 200.547664] ? retint_kernel+0x2d/0x2d [ 200.551552] ? trace_hardirqs_on_caller+0xc0/0x310 [ 200.556479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.561234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.565990] ? trace_hardirqs_off+0x310/0x310 [ 200.570491] ? lock_acquire+0x1ed/0x520 [ 200.574460] ? bpf_test_run+0x32e/0x5a0 [ 200.578435] ? lock_release+0x970/0x970 [ 200.582410] ? preempt_schedule+0x4d/0x60 [ 200.586560] ? preempt_schedule_common+0x1f/0xd0 [ 200.591320] ? preempt_schedule+0x4d/0x60 [ 200.595471] ? ___preempt_schedule+0x16/0x18 [ 200.599885] ? bpf_test_run+0x1c0/0x5a0 [ 200.603869] ? netlink_diag_dump+0x2a0/0x2a0 [ 200.608287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 200.613824] ? bpf_test_init.isra.9+0x70/0x100 [ 200.618419] ? bpf_prog_test_run_skb+0x634/0xb40 [ 200.623174] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 200.628014] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 200.633546] ? fput+0x130/0x1a0 [ 200.636824] ? __bpf_prog_get+0x9b/0x290 [ 200.640895] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 200.645737] ? bpf_prog_test_run+0x130/0x1a0 [ 200.650148] ? __x64_sys_bpf+0x3d8/0x510 [ 200.654207] ? bpf_prog_get+0x20/0x20 [ 200.658018] ? do_syscall_64+0x1b9/0x820 [ 200.662077] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 200.667439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 200.672372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.677216] ? trace_hardirqs_on_caller+0x310/0x310 [ 200.682237] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 200.687254] ? prepare_exit_to_usermode+0x291/0x3b0 [ 200.692272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.697118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 200.702497] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 200.702548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 200.709260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 200.709264] Call Trace: [ 200.709284] dump_stack+0x1c4/0x2b4 [ 200.709304] ? dump_stack_print_info.cold.2+0x52/0x52 [ 200.715817] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 200.725129] warn_alloc.cold.119+0xb7/0x1bd [ 200.727688] syz-executor0 cpuset= [ 200.731312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 200.736498] syz0 [ 200.746980] ? lock_downgrade+0x900/0x900 [ 200.751279] mems_allowed=0 [ 200.754726] ? trace_hardirqs_off+0xb8/0x310 [ 200.772983] ? trace_hardirqs_off+0xb8/0x310 [ 200.777402] __alloc_pages_slowpath+0x2667/0x2d80 [ 200.782264] ? warn_alloc+0x120/0x120 [ 200.786068] ? warn_alloc+0x120/0x120 [ 200.789876] ? warn_alloc+0x120/0x120 [ 200.793679] ? mark_held_locks+0x130/0x130 [ 200.797917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.803455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 200.808991] ? should_fail+0x22d/0xd01 [ 200.812879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 200.817982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 200.823544] ? should_fail+0x22d/0xd01 [ 200.827445] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 200.832548] ? should_fail+0x22d/0xd01 [ 200.836439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 200.841545] ? mark_held_locks+0x130/0x130 [ 200.845777] ? mark_held_locks+0x130/0x130 [ 200.850014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.855553] ? trace_hardirqs_off+0xb8/0x310 [ 200.859959] ? kasan_check_read+0x11/0x20 [ 200.864108] ? do_raw_spin_unlock+0xa7/0x2f0 [ 200.868527] ? trace_hardirqs_on+0x310/0x310 [ 200.872935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.878467] ? wq_watchdog_touch+0x9c/0xfe [ 200.882703] ? io_serial_in+0x11/0x90 [ 200.886499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.892037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 200.897149] __alloc_pages_nodemask+0xa80/0xde0 [ 200.901816] ? should_fail+0x22d/0xd01 [ 200.905717] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 200.910745] ? ____cache_alloc_node+0x1c7/0x1e0 [ 200.915414] ? lock_downgrade+0x900/0x900 [ 200.919562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.925126] cache_grow_begin+0x91/0x8c0 [ 200.929213] ? do_raw_spin_unlock+0xa7/0x2f0 [ 200.933736] fallback_alloc+0x203/0x2e0 [ 200.937716] ____cache_alloc_node+0x1c7/0x1e0 [ 200.942215] kmem_cache_alloc_node+0xe3/0x730 [ 200.946711] ? ipv6_get_ifaddr+0x42e/0x620 [ 200.950958] __alloc_skb+0x119/0x770 [ 200.954679] ? skb_scrub_packet+0x490/0x490 [ 200.959000] ? lock_downgrade+0x900/0x900 [ 200.963153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.968692] ? refcount_sub_and_test_checked+0x203/0x310 [ 200.974158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 200.979794] ? addrconf_rs_timer+0x690/0x690 [ 200.984217] ndisc_alloc_skb+0x144/0x340 [ 200.988286] ndisc_send_rs+0x331/0x6e0 [ 200.992183] addrconf_rs_timer+0x314/0x690 [ 200.996421] ? lock_release+0x970/0x970 [ 201.000402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.004646] call_timer_fn+0x272/0x920 [ 201.008534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.012772] ? process_timeout+0x40/0x40 [ 201.016842] ? kasan_check_read+0x11/0x20 [ 201.021002] ? do_raw_spin_unlock+0xa7/0x2f0 [ 201.025413] ? trace_hardirqs_on+0x310/0x310 [ 201.029854] ? __run_timers+0x7da/0xc70 [ 201.033856] ? lock_downgrade+0x900/0x900 [ 201.038009] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 201.043115] ? trace_hardirqs_on+0xbd/0x310 [ 201.047432] ? kasan_check_read+0x11/0x20 [ 201.051579] ? __run_timers+0x7da/0xc70 [ 201.055564] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 201.061026] ? kasan_check_write+0x14/0x20 [ 201.065260] ? do_raw_spin_lock+0xc1/0x200 [ 201.069502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.073736] __run_timers+0x7e5/0xc70 [ 201.077548] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 201.082916] ? lock_downgrade+0x900/0x900 [ 201.087073] ? finish_task_switch+0x1b5/0x900 [ 201.091575] ? trace_hardirqs_on+0xbd/0x310 [ 201.095899] ? kasan_check_read+0x11/0x20 [ 201.100049] ? finish_task_switch+0x1f5/0x900 [ 201.104543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 201.109991] ? compat_start_thread+0x80/0x80 [ 201.114413] ? pvclock_read_flags+0x160/0x160 [ 201.118907] ? __switch_to_asm+0x34/0x70 [ 201.122971] ? __switch_to_asm+0x34/0x70 [ 201.127050] ? __switch_to_asm+0x40/0x70 [ 201.131129] ? __switch_to_asm+0x40/0x70 [ 201.135191] ? __switch_to_asm+0x34/0x70 [ 201.139252] ? __switch_to_asm+0x40/0x70 [ 201.143333] ? trace_hardirqs_on+0xbd/0x310 [ 201.147656] ? kvm_sched_clock_read+0x9/0x20 [ 201.152073] ? run_ksoftirqd+0x94/0x100 [ 201.156052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.161597] ? check_preemption_disabled+0x48/0x200 [ 201.166618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.172167] run_timer_softirq+0x52/0xb0 [ 201.176231] ? __this_cpu_preempt_check+0x1c/0x1f [ 201.181082] __do_softirq+0x30b/0xad8 [ 201.184893] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 201.190005] ? schedule+0x108/0x460 [ 201.193650] ? trace_hardirqs_off+0xb8/0x310 [ 201.198060] ? smpboot_thread_fn+0x68b/0xa00 [ 201.202478] ? trace_hardirqs_on+0x310/0x310 [ 201.206976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.212515] ? check_preemption_disabled+0x48/0x200 [ 201.217535] ? takeover_tasklets+0xa90/0xa90 [ 201.221950] run_ksoftirqd+0x94/0x100 [ 201.225752] smpboot_thread_fn+0x68b/0xa00 [ 201.229989] ? sort_range+0x30/0x30 [ 201.233615] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 201.238723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.244262] ? __kthread_parkme+0xfb/0x1a0 [ 201.248501] kthread+0x35a/0x420 [ 201.251873] ? sort_range+0x30/0x30 [ 201.255503] ? kthread_bind+0x40/0x40 [ 201.259313] ret_from_fork+0x3a/0x50 [ 201.263049] warn_alloc_show_mem: 1 callbacks suppressed [ 201.263061] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 201.263063] Mem-Info: [ 201.263092] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 201.263092] active_file:16 inactive_file:13 isolated_file:0 [ 201.263092] unevictable:0 dirty:0 writeback:0 unstable:0 [ 201.263092] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 201.263092] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 201.263092] free:13630 free_pcp:242 free_cma:0 [ 201.268449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.275659] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 201.278063] Call Trace: [ 201.310956] Node 0 [ 201.320323] [ 201.347863] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 201.350436] dump_stack+0x1c4/0x2b4 [ 201.352651] lowmem_reserve[]: [ 201.354820] ? dump_stack_print_info.cold.2+0x52/0x52 [ 201.380316] 0 [ 201.383961] warn_alloc.cold.119+0xb7/0x1bd [ 201.387046] 2819 [ 201.392243] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 201.394018] 6323 [ 201.398338] ? lock_downgrade+0x900/0x900 [ 201.400371] 6323 [ 201.405525] ? trace_hardirqs_off+0xb8/0x310 [ 201.411720] ? trace_hardirqs_off+0xb8/0x310 [ 201.413761] Node 0 [ 201.418174] __alloc_pages_slowpath+0x2667/0x2d80 [ 201.422587] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 201.424813] ? warn_alloc+0x120/0x120 [ 201.429622] lowmem_reserve[]: [ 201.456631] ? lock_release+0x970/0x970 [ 201.460420] 0 [ 201.463529] ? warn_alloc+0x120/0x120 [ 201.467481] 0 [ 201.469285] ? trace_hardirqs_on+0x310/0x310 [ 201.473057] 3503 [ 201.474868] ? warn_alloc+0x120/0x120 [ 201.479265] 3503 [ 201.481351] ? mark_held_locks+0x130/0x130 [ 201.485131] Node 0 [ 201.487210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.491449] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 201.493667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.499173] lowmem_reserve[]: [ 201.527933] ? should_fail+0x22d/0xd01 [ 201.533463] 0 [ 201.536572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 201.540437] 0 [ 201.542246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.547318] 0 [ 201.549130] ? should_fail+0x22d/0xd01 [ 201.554642] 0 [ 201.556452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 201.562121] ? should_fail+0x22d/0xd01 [ 201.567199] Node 0 DMA: [ 201.571109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 201.571127] ? mark_held_locks+0x130/0x130 [ 201.573799] 1*4kB [ 201.578902] ? mark_held_locks+0x130/0x130 [ 201.583110] (U) [ 201.585261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.589468] 0*8kB [ 201.591441] ? trace_hardirqs_off+0xb8/0x310 [ 201.596952] 0*16kB [ 201.599104] ? kasan_check_read+0x11/0x20 [ 201.603487] 1*32kB [ 201.605719] ? do_raw_spin_unlock+0xa7/0x2f0 [ 201.609851] (U) [ 201.612086] ? trace_hardirqs_on+0x310/0x310 [ 201.616469] 2*64kB [ 201.618441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.622823] (U) [ 201.625065] ? wq_watchdog_touch+0x9c/0xfe [ 201.630575] 1*128kB [ 201.632546] ? io_serial_in+0x11/0x90 [ 201.636752] (U) [ 201.639080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.642864] 1*256kB [ 201.644847] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 201.650366] (U) [ 201.652700] __alloc_pages_nodemask+0xa80/0xde0 [ 201.657777] 0*512kB [ 201.659756] ? should_fail+0x22d/0xd01 [ 201.664405] 1*1024kB [ 201.666730] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 201.670589] (U) [ 201.673012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 201.677996] 1*2048kB [ 201.679974] ? lock_downgrade+0x900/0x900 [ 201.684638] (M) [ 201.687059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.691180] 3*4096kB [ 201.693163] cache_grow_begin+0x91/0x8c0 [ 201.698665] (M) = 15908kB [ 201.701085] ? do_raw_spin_unlock+0xa7/0x2f0 [ 201.705127] Node 0 [ 201.707890] fallback_alloc+0x203/0x2e0 [ 201.712269] DMA32: [ 201.714504] ____cache_alloc_node+0x1c7/0x1e0 [ 201.718455] 4*4kB [ 201.720696] kmem_cache_alloc_node+0xe3/0x730 [ 201.725181] (M) [ 201.727331] ? ipv6_get_ifaddr+0x42e/0x620 [ 201.731797] 0*8kB [ 201.733769] __alloc_skb+0x119/0x770 [ 201.737981] 2*16kB [ 201.740130] ? skb_scrub_packet+0x490/0x490 [ 201.743818] (M) [ 201.746061] ? lock_downgrade+0x900/0x900 [ 201.750351] 2*32kB (M) [ 201.752333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.756457] 5*64kB [ 201.759042] ? refcount_sub_and_test_checked+0x203/0x310 [ 201.764556] (UM) [ 201.766797] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 201.772217] 3*128kB (M) [ 201.774297] ? addrconf_rs_timer+0x690/0x690 [ 201.779716] 4*256kB [ 201.782394] ndisc_alloc_skb+0x144/0x340 [ 201.786770] (UM) [ 201.789099] ndisc_send_rs+0x331/0x6e0 [ 201.793123] 3*512kB (M) [ 201.795199] addrconf_rs_timer+0x314/0x690 [ 201.799065] 3*1024kB (UM) [ 201.801746] ? can_stat_update+0x59a/0xa60 [ 201.805953] 1*2048kB [ 201.808796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.813005] (M) [ 201.815417] call_timer_fn+0x272/0x920 [ 201.819622] 4*4096kB [ 201.821598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.825450] (M) = 24880kB [ 201.827873] ? process_timeout+0x40/0x40 [ 201.832083] Node 0 [ 201.834852] ? trace_hardirqs_off+0xb8/0x310 [ 201.838892] Normal: [ 201.841128] ? kasan_check_read+0x11/0x20 [ 201.845512] 719*4kB [ 201.847846] ? do_raw_spin_unlock+0xa7/0x2f0 [ 201.851973] (ME) [ 201.854297] ? trace_hardirqs_on+0x310/0x310 [ 201.858680] 385*8kB [ 201.860743] ? __run_timers+0x7da/0xc70 [ 201.865124] (UME) [ 201.867447] ? lock_downgrade+0x900/0x900 [ 201.871395] 182*16kB [ 201.873547] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 201.877671] (ME) [ 201.880079] ? trace_hardirqs_on+0xbd/0x310 [ 201.885150] 99*32kB (UME) [ 201.887219] ? kasan_check_read+0x11/0x20 [ 201.891516] 27*64kB [ 201.894365] ? __run_timers+0x7da/0xc70 [ 201.898478] (UM) [ 201.900800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 201.904746] 0*128kB [ 201.906807] ? kasan_check_write+0x14/0x20 [ 201.912236] 0*256kB [ 201.914559] ? do_raw_spin_lock+0xc1/0x200 [ 201.918764] 0*512kB [ 201.921085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.925296] 0*1024kB [ 201.927619] __run_timers+0x7e5/0xc70 [ 201.931827] 0*2048kB [ 201.934250] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 201.938116] 0*4096kB [ 201.940532] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 201.945869] = 13764kB [ 201.948275] ? rcu_bh_qs+0xc0/0xc0 [ 201.953533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 201.955939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.959457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 201.968290] ? check_preemption_disabled+0x48/0x200 [ 201.973805] 148 total pagecache pages [ 201.982389] ? rcu_nmi_exit+0xdb/0x280 [ 201.987384] 0 pages in swap cache [ 201.991178] ? ret_from_intr+0xb/0x1e [ 201.995040] Swap cache stats: add 0, delete 0, find 0/0 [ 201.995049] Free swap = 0kB [ 201.998499] ? retint_kernel+0x2d/0x2d [ 202.002274] Total swap = 0kB [ 202.007635] ? trace_hardirqs_on_caller+0xc0/0x310 [ 202.010628] 1965979 pages RAM [ 202.014513] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.017498] 0 pages HighMem/MovableOnly [ 202.017507] 342307 pages reserved [ 202.022432] ? trace_hardirqs_off+0x310/0x310 [ 202.025515] 0 pages cma reserved [ 202.030269] ? check_preemption_disabled+0x48/0x200 [ 202.034269] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 202.037668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.042220] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 202.045516] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.050508] ksoftirqd/0 cpuset= [ 202.057003] ? retint_kernel+0x2d/0x2d [ 202.062515] / [ 202.072827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.077570] mems_allowed=0 [ 202.080855] ? check_preemption_disabled+0x48/0x200 [ 202.099869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.105409] run_timer_softirq+0x52/0xb0 [ 202.109469] ? __this_cpu_preempt_check+0x1c/0x1f [ 202.114311] __do_softirq+0x30b/0xad8 [ 202.118121] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 202.123226] ? pvclock_read_flags+0x160/0x160 [ 202.127721] ? lapic_next_event+0x5a/0x90 [ 202.131873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.137412] ? clockevents_program_event+0x140/0x370 [ 202.142519] ? kvm_clock_read+0x18/0x30 [ 202.146491] ? kvm_sched_clock_read+0x9/0x20 [ 202.150902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.156445] ? check_preemption_disabled+0x48/0x200 [ 202.161466] irq_exit+0x17f/0x1c0 [ 202.164928] smp_apic_timer_interrupt+0x1cb/0x760 [ 202.169771] ? smp_reschedule_interrupt+0x109/0x650 [ 202.174790] ? smp_call_function_single_interrupt+0x650/0x650 [ 202.180682] ? interrupt_entry+0xb5/0xf0 [ 202.184742] ? trace_hardirqs_off_caller+0xbb/0x310 [ 202.189754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 202.194770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.199613] ? trace_hardirqs_on_caller+0x310/0x310 [ 202.204628] ? trace_hardirqs_on_caller+0x310/0x310 [ 202.209648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.215195] ? check_preemption_disabled+0x48/0x200 [ 202.220207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.225762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.230608] apic_timer_interrupt+0xf/0x20 [ 202.234844] [ 202.237093] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 202.242022] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 202.260922] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 202.268630] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 202.275893] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 202.283157] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 202.290420] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 202.297712] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 202.304996] ? trace_hardirqs_on+0xb4/0x310 [ 202.309331] skb_clone+0x1bb/0x500 [ 202.312875] ? finish_task_switch+0x2f5/0x900 [ 202.317371] ? skb_split+0x11e0/0x11e0 [ 202.321256] ? preempt_notifier_register+0x200/0x200 [ 202.326361] ? __switch_to_asm+0x34/0x70 [ 202.330417] ? __switch_to_asm+0x34/0x70 [ 202.334477] ? __switch_to_asm+0x40/0x70 [ 202.338533] ? __switch_to_asm+0x34/0x70 [ 202.342601] ? __switch_to_asm+0x40/0x70 [ 202.346656] ? __switch_to_asm+0x34/0x70 [ 202.350711] ? __switch_to_asm+0x40/0x70 [ 202.354771] ? __switch_to_asm+0x34/0x70 [ 202.358846] ? __switch_to_asm+0x34/0x70 [ 202.362912] ? __switch_to_asm+0x40/0x70 [ 202.366966] ? __switch_to_asm+0x34/0x70 [ 202.371030] bpf_clone_redirect+0xb9/0x490 [ 202.375264] ? __schedule+0x874/0x1ed0 [ 202.379151] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 202.384167] ? __sched_text_start+0x8/0x8 [ 202.388314] ? retint_kernel+0x2d/0x2d [ 202.392198] ? retint_kernel+0x2d/0x2d [ 202.396088] ? trace_hardirqs_on_caller+0xc0/0x310 [ 202.401014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.405771] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.410526] ? trace_hardirqs_off+0x310/0x310 [ 202.415026] ? lock_acquire+0x1ed/0x520 [ 202.418995] ? bpf_test_run+0x32e/0x5a0 [ 202.422971] ? lock_release+0x970/0x970 [ 202.427125] ? preempt_schedule+0x4d/0x60 [ 202.431296] ? preempt_schedule_common+0x1f/0xd0 [ 202.436051] ? preempt_schedule+0x4d/0x60 [ 202.440195] ? ___preempt_schedule+0x16/0x18 [ 202.444605] ? bpf_test_run+0x1c0/0x5a0 [ 202.448580] ? netlink_diag_dump+0x2a0/0x2a0 [ 202.452992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 202.458524] ? bpf_test_init.isra.9+0x70/0x100 [ 202.463106] ? bpf_prog_test_run_skb+0x634/0xb40 [ 202.467876] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 202.472715] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 202.478250] ? fput+0x130/0x1a0 [ 202.481529] ? __bpf_prog_get+0x9b/0x290 [ 202.485590] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 202.490427] ? bpf_prog_test_run+0x130/0x1a0 [ 202.494843] ? __x64_sys_bpf+0x3d8/0x510 [ 202.498905] ? bpf_prog_get+0x20/0x20 [ 202.502716] ? do_syscall_64+0x1b9/0x820 [ 202.506775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 202.512136] ? syscall_return_slowpath+0x5e0/0x5e0 [ 202.517061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.521905] ? trace_hardirqs_on_caller+0x310/0x310 [ 202.526922] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 202.531949] ? prepare_exit_to_usermode+0x291/0x3b0 [ 202.536965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.541810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 202.547191] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 202.547244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 202.553955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.553960] Call Trace: [ 202.553980] dump_stack+0x1c4/0x2b4 [ 202.553999] ? dump_stack_print_info.cold.2+0x52/0x52 [ 202.560535] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 202.569841] warn_alloc.cold.119+0xb7/0x1bd [ 202.572432] syz-executor0 cpuset= [ 202.576053] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 202.581216] syz0 [ 202.591695] ? lock_downgrade+0x900/0x900 [ 202.595994] mems_allowed=0 [ 202.599439] ? trace_hardirqs_off+0xb8/0x310 [ 202.617659] ? trace_hardirqs_off+0xb8/0x310 [ 202.622074] __alloc_pages_slowpath+0x2667/0x2d80 [ 202.626938] ? warn_alloc+0x120/0x120 [ 202.630741] ? warn_alloc+0x120/0x120 [ 202.634545] ? warn_alloc+0x120/0x120 [ 202.638346] ? mark_held_locks+0x130/0x130 [ 202.642583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.648121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 202.653658] ? should_fail+0x22d/0xd01 [ 202.657547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 202.662646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 202.668178] ? should_fail+0x22d/0xd01 [ 202.672067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 202.677168] ? should_fail+0x22d/0xd01 [ 202.681060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 202.686161] ? mark_held_locks+0x130/0x130 [ 202.690396] ? mark_held_locks+0x130/0x130 [ 202.694629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.700165] ? trace_hardirqs_off+0xb8/0x310 [ 202.704569] ? kasan_check_read+0x11/0x20 [ 202.708715] ? do_raw_spin_unlock+0xa7/0x2f0 [ 202.713121] ? trace_hardirqs_on+0x310/0x310 [ 202.717528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.723065] ? wq_watchdog_touch+0x9c/0xfe [ 202.727302] ? io_serial_in+0x11/0x90 [ 202.731100] ? retint_kernel+0x2d/0x2d [ 202.734986] ? trace_hardirqs_on_caller+0xc0/0x310 [ 202.739914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.744669] ? trace_hardirqs_off+0x310/0x310 [ 202.749162] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 202.754271] __alloc_pages_nodemask+0xa80/0xde0 [ 202.758940] ? should_fail+0x22d/0xd01 [ 202.762842] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 202.767888] ? ____cache_alloc_node+0x1c7/0x1e0 [ 202.772557] ? lock_downgrade+0x900/0x900 [ 202.776708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.782249] cache_grow_begin+0x91/0x8c0 [ 202.786312] ? do_raw_spin_unlock+0xa7/0x2f0 [ 202.790742] fallback_alloc+0x203/0x2e0 [ 202.794719] ____cache_alloc_node+0x1c7/0x1e0 [ 202.799217] kmem_cache_alloc_node+0xe3/0x730 [ 202.803710] ? ipv6_get_ifaddr+0x42e/0x620 [ 202.807949] __alloc_skb+0x119/0x770 [ 202.811668] ? skb_scrub_packet+0x490/0x490 [ 202.815987] ? lock_downgrade+0x900/0x900 [ 202.820143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.825685] ? refcount_sub_and_test_checked+0x203/0x310 [ 202.831136] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 202.836615] ? addrconf_rs_timer+0x690/0x690 [ 202.841030] ndisc_alloc_skb+0x144/0x340 [ 202.845092] ndisc_send_rs+0x331/0x6e0 [ 202.848983] addrconf_rs_timer+0x314/0x690 [ 202.853214] ? lock_release+0x970/0x970 [ 202.857191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.861436] call_timer_fn+0x272/0x920 [ 202.865324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.869558] ? process_timeout+0x40/0x40 [ 202.873618] ? kasan_check_read+0x11/0x20 [ 202.877768] ? do_raw_spin_unlock+0xa7/0x2f0 [ 202.882175] ? trace_hardirqs_on+0x310/0x310 [ 202.886604] ? __run_timers+0x7da/0xc70 [ 202.890602] ? lock_downgrade+0x900/0x900 [ 202.894751] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 202.899878] ? trace_hardirqs_on+0xbd/0x310 [ 202.904196] ? kasan_check_read+0x11/0x20 [ 202.908341] ? __run_timers+0x7da/0xc70 [ 202.912331] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 202.917781] ? kasan_check_write+0x14/0x20 [ 202.922020] ? do_raw_spin_lock+0xc1/0x200 [ 202.926258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.930491] __run_timers+0x7e5/0xc70 [ 202.934303] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 202.939663] ? lock_downgrade+0x900/0x900 [ 202.943810] ? finish_task_switch+0x1b5/0x900 [ 202.948344] ? trace_hardirqs_on+0xbd/0x310 [ 202.952657] ? kasan_check_read+0x11/0x20 [ 202.956811] ? finish_task_switch+0x1f5/0x900 [ 202.961334] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 202.966799] ? compat_start_thread+0x80/0x80 [ 202.971226] ? pvclock_read_flags+0x160/0x160 [ 202.975718] ? __switch_to_asm+0x34/0x70 [ 202.979780] ? __switch_to_asm+0x34/0x70 [ 202.983853] ? __switch_to_asm+0x40/0x70 [ 202.987912] ? __switch_to_asm+0x40/0x70 [ 202.991970] ? __switch_to_asm+0x34/0x70 [ 202.996025] ? __switch_to_asm+0x40/0x70 [ 203.000089] ? trace_hardirqs_on+0xbd/0x310 [ 203.004412] ? kvm_sched_clock_read+0x9/0x20 [ 203.008822] ? run_ksoftirqd+0x94/0x100 [ 203.012815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.018365] ? check_preemption_disabled+0x48/0x200 [ 203.023380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.028921] run_timer_softirq+0x52/0xb0 [ 203.032980] ? __this_cpu_preempt_check+0x1c/0x1f [ 203.037821] __do_softirq+0x30b/0xad8 [ 203.041643] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 203.046752] ? schedule+0x108/0x460 [ 203.050388] ? trace_hardirqs_off+0xb8/0x310 [ 203.054797] ? smpboot_thread_fn+0x68b/0xa00 [ 203.059212] ? trace_hardirqs_on+0x310/0x310 [ 203.063625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.069161] ? check_preemption_disabled+0x48/0x200 [ 203.074196] ? takeover_tasklets+0xa90/0xa90 [ 203.078608] run_ksoftirqd+0x94/0x100 [ 203.082421] smpboot_thread_fn+0x68b/0xa00 [ 203.086670] ? sort_range+0x30/0x30 [ 203.090297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 203.095398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.100934] ? __kthread_parkme+0xfb/0x1a0 [ 203.105167] kthread+0x35a/0x420 [ 203.108531] ? sort_range+0x30/0x30 [ 203.112154] ? kthread_bind+0x40/0x40 [ 203.115977] ret_from_fork+0x3a/0x50 [ 203.119705] warn_alloc_show_mem: 1 callbacks suppressed [ 203.119717] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 203.119719] Mem-Info: [ 203.119749] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 203.119749] active_file:16 inactive_file:13 isolated_file:0 [ 203.119749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 203.119749] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 203.119749] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 203.119749] free:13630 free_pcp:242 free_cma:0 [ 203.125094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.132285] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 203.134688] Call Trace: [ 203.167555] Node 0 [ 203.176901] [ 203.204416] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 203.206984] dump_stack+0x1c4/0x2b4 [ 203.209190] lowmem_reserve[]: [ 203.211339] ? dump_stack_print_info.cold.2+0x52/0x52 [ 203.236812] 0 2819 [ 203.240466] warn_alloc.cold.119+0xb7/0x1bd [ 203.243544] 6323 [ 203.248736] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 203.250950] 6323 [ 203.255292] ? lock_downgrade+0x900/0x900 [ 203.257336] Node 0 [ 203.262192] ? trace_hardirqs_off+0xb8/0x310 [ 203.264269] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 203.268400] ? trace_hardirqs_off+0xb8/0x310 [ 203.270622] lowmem_reserve[]: [ 203.275037] __alloc_pages_slowpath+0x2667/0x2d80 [ 203.302000] 0 [ 203.306430] ? warn_alloc+0x120/0x120 [ 203.309514] 0 [ 203.314364] ? trace_hardirqs_on+0x310/0x310 [ 203.316152] 3503 [ 203.319958] ? warn_alloc+0x120/0x120 [ 203.321745] 3503 [ 203.326155] ? warn_alloc+0x120/0x120 [ 203.332008] ? ktime_get+0x2e1/0x440 [ 203.334056] Node 0 [ 203.337877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.341599] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 203.343819] ? check_preemption_disabled+0x48/0x200 [ 203.349353] lowmem_reserve[]: [ 203.377645] ? kasan_check_read+0x11/0x20 [ 203.382656] 0 [ 203.385767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.389898] 0 [ 203.391705] ? should_fail+0x22d/0xd01 [ 203.397221] 0 [ 203.399037] ? rcu_bh_qs+0xc0/0xc0 [ 203.403487] 0 [ 203.405314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.410664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.415748] Node 0 [ 203.421286] ? should_fail+0x22d/0xd01 [ 203.421289] DMA: 1*4kB [ 203.423539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.427410] (U) [ 203.429999] ? should_fail+0x22d/0xd01 [ 203.435089] 0*8kB [ 203.437072] ? rcu_idle_enter+0x4b0/0x4b0 [ 203.440944] 0*16kB [ 203.443102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.447248] 1*32kB [ 203.449511] ? mark_held_locks+0x130/0x130 [ 203.454599] (U) [ 203.456857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.461084] 2*64kB [ 203.463073] ? mark_held_locks+0x130/0x130 [ 203.468591] (U) [ 203.470846] ? rcu_irq_exit+0xce/0x100 [ 203.475065] 1*128kB [ 203.477180] ? irq_exit+0xbd/0x1c0 [ 203.480983] (U) [ 203.483449] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 203.486936] 1*256kB [ 203.488922] ? do_raw_spin_unlock+0xa7/0x2f0 [ 203.493920] (U) [ 203.496253] ? smp_call_function_single_interrupt+0x650/0x650 [ 203.500632] 0*512kB 1*1024kB [ 203.502632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.508498] (U) [ 203.512135] ? ret_from_intr+0xb/0x1e [ 203.517667] 1*2048kB [ 203.519658] ? retint_kernel+0x2d/0x2d [ 203.523442] (M) [ 203.525874] ? trace_hardirqs_on_caller+0xc0/0x310 [ 203.529747] 3*4096kB [ 203.531737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.536642] (M) [ 203.539058] ? trace_hardirqs_off+0x310/0x310 [ 203.543790] = 15908kB [ 203.545773] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 203.550254] Node 0 [ 203.552677] __alloc_pages_nodemask+0xa80/0xde0 [ 203.557751] DMA32: [ 203.559994] ? should_fail+0x22d/0xd01 [ 203.564644] 4*4kB [ 203.566887] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 203.570747] (M) [ 203.572911] ? ____cache_alloc_node+0x1c7/0x1e0 [ 203.577897] 0*8kB [ 203.579880] ? lock_downgrade+0x900/0x900 [ 203.584526] 2*16kB [ 203.586676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.590800] (M) [ 203.593040] cache_grow_begin+0x91/0x8c0 [ 203.598558] 2*32kB [ 203.600539] ? do_raw_spin_unlock+0xa7/0x2f0 [ 203.604573] (M) [ 203.606818] fallback_alloc+0x203/0x2e0 [ 203.606847] ____cache_alloc_node+0x1c7/0x1e0 [ 203.611240] 5*64kB [ 203.613218] kmem_cache_alloc_node+0xe3/0x730 [ 203.617167] (UM) [ 203.621670] ? ipv6_get_ifaddr+0x42e/0x620 [ 203.623894] 3*128kB [ 203.628393] __alloc_skb+0x119/0x770 [ 203.630432] (M) [ 203.634666] ? skb_scrub_packet+0x490/0x490 [ 203.636965] 4*256kB [ 203.640680] ? lock_downgrade+0x900/0x900 [ 203.642630] (UM) [ 203.646951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.649244] 3*512kB (M) [ 203.653405] ? refcount_sub_and_test_checked+0x203/0x310 [ 203.655458] 3*1024kB [ 203.660998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 203.663651] (UM) [ 203.669107] ? addrconf_rs_timer+0x690/0x690 [ 203.671495] 1*2048kB (M) [ 203.676966] ndisc_alloc_skb+0x144/0x340 [ 203.679003] 4*4096kB [ 203.683425] ndisc_send_rs+0x331/0x6e0 [ 203.686165] (M) [ 203.690234] addrconf_rs_timer+0x314/0x690 [ 203.692631] = 24880kB [ 203.696521] ? can_stat_update+0x59a/0xa60 [ 203.698479] Node 0 [ 203.702715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.705105] Normal: [ 203.709359] call_timer_fn+0x272/0x920 [ 203.711581] 719*4kB [ 203.715818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.718142] (ME) [ 203.722031] ? process_timeout+0x40/0x40 [ 203.724336] 385*8kB [ 203.728582] ? trace_hardirqs_off+0xb8/0x310 [ 203.730628] (UME) [ 203.734696] ? kasan_check_read+0x11/0x20 [ 203.737010] 182*16kB [ 203.741425] ? do_raw_spin_unlock+0xa7/0x2f0 [ 203.743557] (ME) [ 203.747712] ? trace_hardirqs_on+0x310/0x310 [ 203.750100] 99*32kB [ 203.754509] ? __run_timers+0x7da/0xc70 [ 203.756541] (UME) [ 203.760949] ? lock_downgrade+0x900/0x900 [ 203.763249] 27*64kB [ 203.767221] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 203.769352] (UM) [ 203.773499] ? trace_hardirqs_on+0xbd/0x310 [ 203.775803] 0*128kB [ 203.780900] ? kasan_check_read+0x11/0x20 [ 203.782941] 0*256kB [ 203.787258] ? __run_timers+0x7da/0xc70 [ 203.789555] 0*512kB [ 203.793701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 203.796004] 0*1024kB [ 203.799973] ? kasan_check_write+0x14/0x20 [ 203.802276] 0*2048kB [ 203.807725] ? do_raw_spin_lock+0xc1/0x200 [ 203.810110] 0*4096kB [ 203.814353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.816736] = 13764kB [ 203.820966] __run_timers+0x7e5/0xc70 [ 203.823366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 203.827593] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 203.829986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 203.833781] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 203.842590] 148 total pagecache pages [ 203.847949] ? rcu_bh_qs+0xc0/0xc0 [ 203.856499] 0 pages in swap cache [ 203.861771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.865566] Swap cache stats: add 0, delete 0, find 0/0 [ 203.869099] ? check_preemption_disabled+0x48/0x200 [ 203.872526] Free swap = 0kB [ 203.878059] ? rcu_nmi_exit+0xdb/0x280 [ 203.883397] Total swap = 0kB [ 203.888408] ? ret_from_intr+0xb/0x1e [ 203.891406] 1965979 pages RAM [ 203.895287] ? retint_kernel+0x2d/0x2d [ 203.898295] 0 pages HighMem/MovableOnly [ 203.902105] ? trace_hardirqs_on_caller+0xc0/0x310 [ 203.905186] 342307 pages reserved [ 203.909067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.913013] 0 pages cma reserved [ 203.917941] ? trace_hardirqs_off+0x310/0x310 [ 203.921424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 203.926127] ? check_preemption_disabled+0x48/0x200 [ 203.929560] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 203.933988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.940455] ksoftirqd/0 cpuset= [ 203.945468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.955751] / [ 203.961288] ? retint_kernel+0x2d/0x2d [ 203.964547] mems_allowed=0 [ 203.969297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.983313] ? check_preemption_disabled+0x48/0x200 [ 203.988335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.993896] run_timer_softirq+0x52/0xb0 [ 203.997961] ? __this_cpu_preempt_check+0x1c/0x1f [ 204.002805] __do_softirq+0x30b/0xad8 [ 204.006617] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 204.011721] ? pvclock_read_flags+0x160/0x160 [ 204.016214] ? lapic_next_event+0x5a/0x90 [ 204.020370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.025906] ? clockevents_program_event+0x140/0x370 [ 204.031016] ? kvm_clock_read+0x18/0x30 [ 204.034988] ? kvm_sched_clock_read+0x9/0x20 [ 204.039397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.044935] ? check_preemption_disabled+0x48/0x200 [ 204.049958] irq_exit+0x17f/0x1c0 [ 204.053415] smp_apic_timer_interrupt+0x1cb/0x760 [ 204.058261] ? smp_reschedule_interrupt+0x109/0x650 [ 204.063277] ? smp_call_function_single_interrupt+0x650/0x650 [ 204.069160] ? interrupt_entry+0xb5/0xf0 [ 204.073225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 204.078243] ? trace_hardirqs_off_caller+0xbb/0x310 [ 204.083260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.088104] ? trace_hardirqs_on_caller+0x310/0x310 [ 204.093119] ? trace_hardirqs_on_caller+0x310/0x310 [ 204.098134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.103671] ? check_preemption_disabled+0x48/0x200 [ 204.108688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.114233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.119079] apic_timer_interrupt+0xf/0x20 [ 204.123309] [ 204.125548] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 204.130476] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 204.149382] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 204.157091] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 204.164358] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 204.171620] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 204.178890] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 204.186156] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 204.193439] ? trace_hardirqs_on+0xb4/0x310 [ 204.197770] skb_clone+0x1bb/0x500 [ 204.201310] ? finish_task_switch+0x2f5/0x900 [ 204.205807] ? skb_split+0x11e0/0x11e0 [ 204.209703] ? preempt_notifier_register+0x200/0x200 [ 204.214801] ? __switch_to_asm+0x34/0x70 [ 204.218873] ? __switch_to_asm+0x34/0x70 [ 204.222930] ? __switch_to_asm+0x40/0x70 [ 204.226987] ? __switch_to_asm+0x34/0x70 [ 204.231041] ? __switch_to_asm+0x40/0x70 [ 204.235101] ? __switch_to_asm+0x34/0x70 [ 204.239158] ? __switch_to_asm+0x40/0x70 [ 204.243214] ? __switch_to_asm+0x34/0x70 [ 204.247269] ? __switch_to_asm+0x34/0x70 [ 204.251328] ? __switch_to_asm+0x40/0x70 [ 204.255393] ? __switch_to_asm+0x34/0x70 [ 204.259480] bpf_clone_redirect+0xb9/0x490 [ 204.263715] ? __schedule+0x874/0x1ed0 [ 204.267611] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 204.272626] ? __sched_text_start+0x8/0x8 [ 204.276773] ? retint_kernel+0x2d/0x2d [ 204.280658] ? retint_kernel+0x2d/0x2d [ 204.284544] ? trace_hardirqs_on_caller+0xc0/0x310 [ 204.289474] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 204.294234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 204.299012] ? trace_hardirqs_off+0x310/0x310 [ 204.303539] ? lock_acquire+0x1ed/0x520 [ 204.307509] ? bpf_test_run+0x32e/0x5a0 [ 204.311483] ? lock_release+0x970/0x970 [ 204.315458] ? preempt_schedule+0x4d/0x60 [ 204.319611] ? preempt_schedule_common+0x1f/0xd0 [ 204.324386] ? preempt_schedule+0x4d/0x60 [ 204.328535] ? ___preempt_schedule+0x16/0x18 [ 204.332948] ? bpf_test_run+0x1c0/0x5a0 [ 204.336931] ? netlink_diag_dump+0x2a0/0x2a0 [ 204.341349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.346886] ? bpf_test_init.isra.9+0x70/0x100 [ 204.351471] ? bpf_prog_test_run_skb+0x634/0xb40 [ 204.356237] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 204.361082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 204.366618] ? fput+0x130/0x1a0 [ 204.369899] ? __bpf_prog_get+0x9b/0x290 [ 204.373964] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 204.378808] ? bpf_prog_test_run+0x130/0x1a0 [ 204.383234] ? __x64_sys_bpf+0x3d8/0x510 [ 204.387297] ? bpf_prog_get+0x20/0x20 [ 204.391115] ? do_syscall_64+0x1b9/0x820 [ 204.395178] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 204.400543] ? syscall_return_slowpath+0x5e0/0x5e0 [ 204.405470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.410317] ? trace_hardirqs_on_caller+0x310/0x310 [ 204.415368] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 204.420389] ? prepare_exit_to_usermode+0x291/0x3b0 [ 204.425412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.430260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 204.435636] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 204.435702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 204.442407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.442412] Call Trace: [ 204.442433] dump_stack+0x1c4/0x2b4 [ 204.442449] ? dump_stack_print_info.cold.2+0x52/0x52 [ 204.442471] warn_alloc.cold.119+0xb7/0x1bd [ 204.449023] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 204.458310] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 204.460874] syz-executor0 cpuset= [ 204.464501] ? lock_downgrade+0x900/0x900 [ 204.469664] syz0 [ 204.473989] ? trace_hardirqs_off+0xb8/0x310 [ 204.484458] mems_allowed=0 [ 204.489319] ? trace_hardirqs_off+0xb8/0x310 [ 204.510567] __alloc_pages_slowpath+0x2667/0x2d80 [ 204.515435] ? warn_alloc+0x120/0x120 [ 204.519241] ? warn_alloc+0x120/0x120 [ 204.523043] ? cpuacct_charge+0x265/0x440 [ 204.527194] ? warn_alloc+0x120/0x120 [ 204.531010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.536555] ? should_fail+0x22d/0xd01 [ 204.540446] ? lock_downgrade+0x900/0x900 [ 204.544599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.549710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.555248] ? should_fail+0x22d/0xd01 [ 204.559136] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 204.564944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.570047] ? should_fail+0x22d/0xd01 [ 204.573939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.579046] ? mark_held_locks+0x130/0x130 [ 204.583287] ? mark_held_locks+0x130/0x130 [ 204.587519] ? __account_cfs_rq_runtime+0x790/0x790 [ 204.592537] ? select_task_rq_fair+0x754/0x34f0 [ 204.597206] ? lock_downgrade+0x900/0x900 [ 204.601360] ? __cpu_to_node+0x7d/0xa0 [ 204.605253] ? account_entity_enqueue+0x3a3/0x660 [ 204.610107] ? __enqueue_entity+0x10d/0x1f0 [ 204.614431] ? check_preemption_disabled+0x48/0x200 [ 204.619456] __alloc_pages_nodemask+0xa80/0xde0 [ 204.624129] ? should_fail+0x22d/0xd01 [ 204.628023] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 204.633057] ? ____cache_alloc_node+0x1c7/0x1e0 [ 204.637729] ? lock_downgrade+0x900/0x900 [ 204.641884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.647423] cache_grow_begin+0x91/0x8c0 [ 204.651488] ? do_raw_spin_unlock+0xa7/0x2f0 [ 204.655905] fallback_alloc+0x203/0x2e0 [ 204.659885] ____cache_alloc_node+0x1c7/0x1e0 [ 204.664386] kmem_cache_alloc_node+0xe3/0x730 [ 204.668885] ? ipv6_get_ifaddr+0x42e/0x620 [ 204.673127] __alloc_skb+0x119/0x770 [ 204.676859] ? skb_scrub_packet+0x490/0x490 [ 204.681188] ? lock_downgrade+0x900/0x900 [ 204.685345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.690885] ? refcount_sub_and_test_checked+0x203/0x310 [ 204.696343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 204.701797] ? addrconf_rs_timer+0x690/0x690 [ 204.706224] ndisc_alloc_skb+0x144/0x340 [ 204.710291] ndisc_send_rs+0x331/0x6e0 [ 204.714186] addrconf_rs_timer+0x314/0x690 [ 204.718420] ? lock_release+0x970/0x970 [ 204.722417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.726664] call_timer_fn+0x272/0x920 [ 204.730554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.734790] ? process_timeout+0x40/0x40 [ 204.738866] ? kasan_check_read+0x11/0x20 [ 204.743020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 204.747430] ? trace_hardirqs_on+0x310/0x310 [ 204.751867] ? __run_timers+0x7da/0xc70 [ 204.755858] ? lock_downgrade+0x900/0x900 [ 204.760013] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 204.765135] ? trace_hardirqs_on+0xbd/0x310 [ 204.769454] ? kasan_check_read+0x11/0x20 [ 204.773602] ? __run_timers+0x7da/0xc70 [ 204.777609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 204.783065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.788618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.792871] __run_timers+0x7e5/0xc70 [ 204.796682] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 204.802048] ? lock_downgrade+0x900/0x900 [ 204.806198] ? finish_task_switch+0x1b5/0x900 [ 204.810707] ? trace_hardirqs_on+0xbd/0x310 [ 204.815025] ? kasan_check_read+0x11/0x20 [ 204.819218] ? finish_task_switch+0x1f5/0x900 [ 204.823736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 204.829190] ? compat_start_thread+0x80/0x80 [ 204.833609] ? pvclock_read_flags+0x160/0x160 [ 204.838100] ? __switch_to_asm+0x34/0x70 [ 204.842158] ? __switch_to_asm+0x34/0x70 [ 204.846217] ? __switch_to_asm+0x40/0x70 [ 204.850273] ? __switch_to_asm+0x40/0x70 [ 204.854329] ? __switch_to_asm+0x34/0x70 [ 204.858385] ? __switch_to_asm+0x40/0x70 [ 204.862448] ? trace_hardirqs_on+0xbd/0x310 [ 204.866769] ? kvm_sched_clock_read+0x9/0x20 [ 204.871178] ? run_ksoftirqd+0x94/0x100 [ 204.875157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.880697] ? check_preemption_disabled+0x48/0x200 [ 204.885709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.891250] run_timer_softirq+0x52/0xb0 [ 204.895310] ? __this_cpu_preempt_check+0x1c/0x1f [ 204.900155] __do_softirq+0x30b/0xad8 [ 204.903965] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 204.909072] ? schedule+0x108/0x460 [ 204.912705] ? trace_hardirqs_off+0xb8/0x310 [ 204.917115] ? smpboot_thread_fn+0x68b/0xa00 [ 204.921520] ? trace_hardirqs_on+0x310/0x310 [ 204.925931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.931468] ? check_preemption_disabled+0x48/0x200 [ 204.936484] ? takeover_tasklets+0xa90/0xa90 [ 204.940894] run_ksoftirqd+0x94/0x100 [ 204.944696] smpboot_thread_fn+0x68b/0xa00 [ 204.948932] ? sort_range+0x30/0x30 [ 204.952559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 204.957662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.963198] ? __kthread_parkme+0xfb/0x1a0 [ 204.967435] kthread+0x35a/0x420 [ 204.970802] ? sort_range+0x30/0x30 [ 204.974439] ? kthread_bind+0x40/0x40 [ 204.978237] ret_from_fork+0x3a/0x50 [ 204.981959] warn_alloc_show_mem: 1 callbacks suppressed [ 204.981971] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 204.981973] Mem-Info: [ 204.982005] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 204.982005] active_file:16 inactive_file:13 isolated_file:0 [ 204.982005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 204.982005] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 204.982005] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 204.982005] free:13630 free_pcp:242 free_cma:0 [ 204.987353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.994543] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 204.996947] Call Trace: [ 205.029926] Node 0 [ 205.039282] [ 205.066796] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 205.069367] dump_stack+0x1c4/0x2b4 [ 205.071572] lowmem_reserve[]: [ 205.073721] ? dump_stack_print_info.cold.2+0x52/0x52 [ 205.099207] 0 2819 [ 205.102862] warn_alloc.cold.119+0xb7/0x1bd [ 205.105941] 6323 [ 205.111125] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 205.113340] 6323 [ 205.117691] ? lock_downgrade+0x900/0x900 [ 205.124565] ? trace_hardirqs_off+0xb8/0x310 [ 205.126603] Node 0 [ 205.130746] ? trace_hardirqs_off+0xb8/0x310 [ 205.135152] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 205.137369] __alloc_pages_slowpath+0x2667/0x2d80 [ 205.141751] lowmem_reserve[]: [ 205.168751] ? warn_alloc+0x120/0x120 [ 205.173565] 0 [ 205.176683] ? trace_hardirqs_on+0x310/0x310 [ 205.180457] 0 [ 205.182260] ? warn_alloc+0x120/0x120 [ 205.186643] 3503 [ 205.188447] ? warn_alloc+0x120/0x120 [ 205.192222] 3503 [ 205.194285] ? ktime_get+0x2e1/0x440 [ 205.200128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.203816] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 205.209399] ? check_preemption_disabled+0x48/0x200 [ 205.209415] ? kasan_check_read+0x11/0x20 [ 205.238290] lowmem_reserve[]: 0 [ 205.243337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.247461] 0 [ 205.250741] ? should_fail+0x22d/0xd01 [ 205.256255] 0 [ 205.258058] ? rcu_bh_qs+0xc0/0xc0 [ 205.261927] 0 [ 205.263727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.269053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.274151] Node 0 DMA: [ 205.279705] ? should_fail+0x22d/0xd01 [ 205.279723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.282380] 1*4kB [ 205.286267] ? should_fail+0x22d/0xd01 [ 205.291353] (U) [ 205.293507] ? rcu_idle_enter+0x4b0/0x4b0 [ 205.297371] 0*8kB [ 205.299353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.303475] 0*16kB [ 205.305626] ? mark_held_locks+0x130/0x130 [ 205.310705] 1*32kB [ 205.312950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.317162] (U) [ 205.319401] ? mark_held_locks+0x130/0x130 [ 205.324915] 2*64kB [ 205.326913] ? rcu_irq_exit+0xce/0x100 [ 205.331121] (U) [ 205.333363] ? irq_exit+0xbd/0x1c0 [ 205.337221] 1*128kB [ 205.339198] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 205.342707] (U) 1*256kB [ 205.345045] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.350034] (U) [ 205.352717] ? smp_call_function_single_interrupt+0x650/0x650 [ 205.357103] 0*512kB [ 205.359083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.364944] 1*1024kB [ 205.367270] ? ret_from_intr+0xb/0x1e [ 205.372783] (U) [ 205.375199] ? retint_kernel+0x2d/0x2d [ 205.378979] 1*2048kB [ 205.380955] ? trace_hardirqs_on_caller+0xc0/0x310 [ 205.384813] (M) [ 205.387232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 205.392138] 3*4096kB [ 205.394114] ? trace_hardirqs_off+0x310/0x310 [ 205.398850] (M) [ 205.401265] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 205.406239] = 15908kB [ 205.406248] Node 0 [ 205.408233] __alloc_pages_nodemask+0xa80/0xde0 [ 205.413308] DMA32: [ 205.415724] ? should_fail+0x22d/0xd01 [ 205.417942] 4*4kB [ 205.422618] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 205.424849] (M) [ 205.428750] ? ____cache_alloc_node+0x1c7/0x1e0 [ 205.430869] 0*8kB [ 205.435887] ? lock_downgrade+0x900/0x900 [ 205.437851] 2*16kB [ 205.442527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.444646] (M) [ 205.448794] cache_grow_begin+0x91/0x8c0 [ 205.451005] 2*32kB (M) [ 205.456555] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.458506] 5*64kB [ 205.462562] fallback_alloc+0x203/0x2e0 [ 205.465121] (UM) [ 205.469529] ____cache_alloc_node+0x1c7/0x1e0 [ 205.471745] 3*128kB [ 205.475715] kmem_cache_alloc_node+0xe3/0x730 [ 205.477754] (M) [ 205.482250] ? ipv6_get_ifaddr+0x42e/0x620 [ 205.484592] 4*256kB [ 205.489081] __alloc_skb+0x119/0x770 [ 205.491034] (UM) [ 205.495265] ? skb_scrub_packet+0x490/0x490 [ 205.497570] 3*512kB [ 205.501278] ? lock_downgrade+0x900/0x900 [ 205.503319] (M) [ 205.507642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.510077] 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 24880kB [ 205.510094] Node 0 Normal: 719*4kB (ME) 385*8kB (UME) 182*16kB (ME) 99*32kB (UME) 27*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13764kB [ 205.510142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 205.510148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 205.510150] 148 total pagecache pages [ 205.510154] 0 pages in swap cache [ 205.510158] Swap cache stats: add 0, delete 0, find 0/0 [ 205.510161] Free swap = 0kB [ 205.510163] Total swap = 0kB [ 205.510167] 1965979 pages RAM [ 205.510169] 0 pages HighMem/MovableOnly [ 205.510172] 342307 pages reserved [ 205.510174] 0 pages cma reserved [ 205.510217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 205.510252] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 205.510254] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 205.613130] ? refcount_sub_and_test_checked+0x203/0x310 [ 205.618584] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 205.624038] ? addrconf_rs_timer+0x690/0x690 [ 205.628454] ndisc_alloc_skb+0x144/0x340 [ 205.632520] ndisc_send_rs+0x331/0x6e0 [ 205.636414] addrconf_rs_timer+0x314/0x690 [ 205.640651] ? can_stat_update+0x59a/0xa60 [ 205.644888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.649132] call_timer_fn+0x272/0x920 [ 205.653017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.657253] ? process_timeout+0x40/0x40 [ 205.661312] ? trace_hardirqs_off+0xb8/0x310 [ 205.665721] ? kasan_check_read+0x11/0x20 [ 205.669875] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.674283] ? trace_hardirqs_on+0x310/0x310 [ 205.678691] ? __run_timers+0x7da/0xc70 [ 205.682666] ? lock_downgrade+0x900/0x900 [ 205.686815] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 205.691932] ? trace_hardirqs_on+0xbd/0x310 [ 205.696253] ? kasan_check_read+0x11/0x20 [ 205.700403] ? __run_timers+0x7da/0xc70 [ 205.704380] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 205.709840] ? kasan_check_write+0x14/0x20 [ 205.714078] ? do_raw_spin_lock+0xc1/0x200 [ 205.718336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.722614] __run_timers+0x7e5/0xc70 [ 205.726423] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 205.731791] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 205.737065] ? rcu_bh_qs+0xc0/0xc0 [ 205.740613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.746152] ? check_preemption_disabled+0x48/0x200 [ 205.751170] ? rcu_nmi_exit+0xdb/0x280 [ 205.755057] ? ret_from_intr+0xb/0x1e [ 205.758865] ? retint_kernel+0x2d/0x2d [ 205.762797] ? trace_hardirqs_on_caller+0xc0/0x310 [ 205.767735] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 205.772489] ? trace_hardirqs_off+0x310/0x310 [ 205.776994] ? check_preemption_disabled+0x48/0x200 [ 205.782023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.787591] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 205.792380] ? retint_kernel+0x2d/0x2d [ 205.796267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.801804] ? check_preemption_disabled+0x48/0x200 [ 205.806889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.812430] run_timer_softirq+0x52/0xb0 [ 205.816490] ? __this_cpu_preempt_check+0x1c/0x1f [ 205.821334] __do_softirq+0x30b/0xad8 [ 205.825202] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 205.830339] ? pvclock_read_flags+0x160/0x160 [ 205.834846] ? lapic_next_event+0x5a/0x90 [ 205.838997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.844534] ? clockevents_program_event+0x140/0x370 [ 205.849638] ? kvm_clock_read+0x18/0x30 [ 205.853609] ? kvm_sched_clock_read+0x9/0x20 [ 205.858019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.863561] ? check_preemption_disabled+0x48/0x200 [ 205.868587] irq_exit+0x17f/0x1c0 [ 205.872045] smp_apic_timer_interrupt+0x1cb/0x760 [ 205.876885] ? smp_reschedule_interrupt+0x109/0x650 [ 205.881904] ? smp_call_function_single_interrupt+0x650/0x650 [ 205.887788] ? interrupt_entry+0xb5/0xf0 [ 205.891855] ? trace_hardirqs_off_caller+0xbb/0x310 [ 205.896873] ? trace_hardirqs_off_caller+0xbb/0x310 [ 205.901893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.906733] ? trace_hardirqs_on_caller+0x310/0x310 [ 205.911744] ? trace_hardirqs_on_caller+0x310/0x310 [ 205.916762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.922318] ? check_preemption_disabled+0x48/0x200 [ 205.927349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.932917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.937769] apic_timer_interrupt+0xf/0x20 [ 205.941994] [ 205.944231] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 205.949162] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 205.968061] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 205.975768] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 205.983032] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 205.990297] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 205.997561] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 206.004835] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 206.012120] ? trace_hardirqs_on+0xb4/0x310 [ 206.016458] skb_clone+0x1bb/0x500 [ 206.019996] ? finish_task_switch+0x2f5/0x900 [ 206.024489] ? skb_split+0x11e0/0x11e0 [ 206.028378] ? preempt_notifier_register+0x200/0x200 [ 206.033484] ? __switch_to_asm+0x34/0x70 [ 206.037545] ? __switch_to_asm+0x34/0x70 [ 206.041605] ? __switch_to_asm+0x40/0x70 [ 206.045661] ? __switch_to_asm+0x34/0x70 [ 206.049718] ? __switch_to_asm+0x40/0x70 [ 206.053782] ? __switch_to_asm+0x34/0x70 [ 206.057853] ? __switch_to_asm+0x40/0x70 [ 206.061912] ? __switch_to_asm+0x34/0x70 [ 206.065971] ? __switch_to_asm+0x34/0x70 [ 206.070028] ? __switch_to_asm+0x40/0x70 [ 206.074084] ? __switch_to_asm+0x34/0x70 [ 206.078154] bpf_clone_redirect+0xb9/0x490 [ 206.082389] ? __schedule+0x874/0x1ed0 [ 206.086277] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 206.091295] ? __sched_text_start+0x8/0x8 [ 206.095443] ? retint_kernel+0x2d/0x2d [ 206.099327] ? retint_kernel+0x2d/0x2d [ 206.103217] ? trace_hardirqs_on_caller+0xc0/0x310 [ 206.108150] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 206.112904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 206.117658] ? trace_hardirqs_off+0x310/0x310 [ 206.122157] ? lock_acquire+0x1ed/0x520 [ 206.126126] ? bpf_test_run+0x32e/0x5a0 [ 206.130103] ? lock_release+0x970/0x970 [ 206.134076] ? preempt_schedule+0x4d/0x60 [ 206.138223] ? preempt_schedule_common+0x1f/0xd0 [ 206.142977] ? preempt_schedule+0x4d/0x60 [ 206.147123] ? ___preempt_schedule+0x16/0x18 [ 206.151538] ? bpf_test_run+0x1c0/0x5a0 [ 206.155517] ? netlink_diag_dump+0x2a0/0x2a0 [ 206.159927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.165466] ? bpf_test_init.isra.9+0x70/0x100 [ 206.170052] ? bpf_prog_test_run_skb+0x634/0xb40 [ 206.174810] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.179672] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 206.185207] ? fput+0x130/0x1a0 [ 206.188486] ? __bpf_prog_get+0x9b/0x290 [ 206.192547] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.197386] ? bpf_prog_test_run+0x130/0x1a0 [ 206.201797] ? __x64_sys_bpf+0x3d8/0x510 [ 206.205865] ? bpf_prog_get+0x20/0x20 [ 206.209679] ? do_syscall_64+0x1b9/0x820 [ 206.213738] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 206.219106] ? syscall_return_slowpath+0x5e0/0x5e0 [ 206.224033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.228878] ? trace_hardirqs_on_caller+0x310/0x310 [ 206.233899] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 206.238917] ? prepare_exit_to_usermode+0x291/0x3b0 [ 206.243935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.248784] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 206.254162] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 206.254214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 206.260951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.260955] Call Trace: [ 206.260975] dump_stack+0x1c4/0x2b4 [ 206.260994] ? dump_stack_print_info.cold.2+0x52/0x52 [ 206.267517] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 206.276822] warn_alloc.cold.119+0xb7/0x1bd [ 206.279394] syz-executor0 cpuset= [ 206.283018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 206.288183] syz0 [ 206.298674] ? lock_downgrade+0x900/0x900 [ 206.302980] mems_allowed=0 [ 206.306429] ? trace_hardirqs_off+0xb8/0x310 [ 206.324663] ? trace_hardirqs_off+0xb8/0x310 [ 206.329085] __alloc_pages_slowpath+0x2667/0x2d80 [ 206.333949] ? warn_alloc+0x120/0x120 [ 206.337752] ? warn_alloc+0x120/0x120 [ 206.341553] ? cpuacct_charge+0x265/0x440 [ 206.345703] ? warn_alloc+0x120/0x120 [ 206.349513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.355053] ? should_fail+0x22d/0xd01 [ 206.358942] ? lock_downgrade+0x900/0x900 [ 206.363093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.368194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.373732] ? should_fail+0x22d/0xd01 [ 206.377623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.382723] ? should_fail+0x22d/0xd01 [ 206.386611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.391715] ? mark_held_locks+0x130/0x130 [ 206.395955] ? mark_held_locks+0x130/0x130 [ 206.400184] ? __account_cfs_rq_runtime+0x790/0x790 [ 206.405200] ? select_task_rq_fair+0x754/0x34f0 [ 206.409876] ? lock_downgrade+0x900/0x900 [ 206.414026] ? __cpu_to_node+0x7d/0xa0 [ 206.417916] ? account_entity_enqueue+0x3a3/0x660 [ 206.422761] ? __enqueue_entity+0x10d/0x1f0 [ 206.427079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 206.432090] ? widen_string+0xe0/0x2e0 [ 206.435986] __alloc_pages_nodemask+0xa80/0xde0 [ 206.440659] ? should_fail+0x22d/0xd01 [ 206.444549] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 206.449578] ? ____cache_alloc_node+0x1c7/0x1e0 [ 206.454259] ? lock_downgrade+0x900/0x900 [ 206.458409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.463948] cache_grow_begin+0x91/0x8c0 [ 206.468008] ? do_raw_spin_unlock+0xa7/0x2f0 [ 206.472420] fallback_alloc+0x203/0x2e0 [ 206.476396] ____cache_alloc_node+0x1c7/0x1e0 [ 206.480897] kmem_cache_alloc_node+0xe3/0x730 [ 206.485395] ? ipv6_get_ifaddr+0x42e/0x620 [ 206.489637] __alloc_skb+0x119/0x770 [ 206.493376] ? skb_scrub_packet+0x490/0x490 [ 206.497697] ? lock_downgrade+0x900/0x900 [ 206.501863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.507404] ? refcount_sub_and_test_checked+0x203/0x310 [ 206.512878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 206.518330] ? addrconf_rs_timer+0x690/0x690 [ 206.522750] ndisc_alloc_skb+0x144/0x340 [ 206.526818] ndisc_send_rs+0x331/0x6e0 [ 206.530730] addrconf_rs_timer+0x314/0x690 [ 206.534964] ? lock_release+0x970/0x970 [ 206.538951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.543208] call_timer_fn+0x272/0x920 [ 206.547093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.551328] ? process_timeout+0x40/0x40 [ 206.555384] ? kasan_check_read+0x11/0x20 [ 206.559531] ? do_raw_spin_unlock+0xa7/0x2f0 [ 206.563950] ? trace_hardirqs_on+0x310/0x310 [ 206.568358] ? __run_timers+0x7da/0xc70 [ 206.572336] ? lock_downgrade+0x900/0x900 [ 206.576486] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 206.581591] ? trace_hardirqs_on+0xbd/0x310 [ 206.585908] ? kasan_check_read+0x11/0x20 [ 206.590055] ? __run_timers+0x7da/0xc70 [ 206.594031] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.599479] ? kasan_check_write+0x14/0x20 [ 206.603712] ? do_raw_spin_lock+0xc1/0x200 [ 206.607956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.612202] __run_timers+0x7e5/0xc70 [ 206.616013] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 206.621380] ? lock_downgrade+0x900/0x900 [ 206.625529] ? finish_task_switch+0x1b5/0x900 [ 206.630054] ? trace_hardirqs_on+0xbd/0x310 [ 206.634377] ? kasan_check_read+0x11/0x20 [ 206.638521] ? finish_task_switch+0x1f5/0x900 [ 206.643018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.648464] ? compat_start_thread+0x80/0x80 [ 206.652890] ? pvclock_read_flags+0x160/0x160 [ 206.657386] ? __switch_to_asm+0x34/0x70 [ 206.661459] ? __switch_to_asm+0x34/0x70 [ 206.665524] ? __switch_to_asm+0x40/0x70 [ 206.669591] ? __switch_to_asm+0x40/0x70 [ 206.673649] ? __switch_to_asm+0x34/0x70 [ 206.677707] ? __switch_to_asm+0x40/0x70 [ 206.681772] ? trace_hardirqs_on+0xbd/0x310 [ 206.686096] ? kvm_sched_clock_read+0x9/0x20 [ 206.690502] ? run_ksoftirqd+0x94/0x100 [ 206.694477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.700020] ? check_preemption_disabled+0x48/0x200 [ 206.705033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.710573] run_timer_softirq+0x52/0xb0 [ 206.714635] ? __this_cpu_preempt_check+0x1c/0x1f [ 206.719492] __do_softirq+0x30b/0xad8 [ 206.723297] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 206.728403] ? schedule+0x108/0x460 [ 206.732034] ? trace_hardirqs_off+0xb8/0x310 [ 206.736442] ? smpboot_thread_fn+0x68b/0xa00 [ 206.740863] ? trace_hardirqs_on+0x310/0x310 [ 206.745273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.750811] ? check_preemption_disabled+0x48/0x200 [ 206.755857] ? takeover_tasklets+0xa90/0xa90 [ 206.760268] run_ksoftirqd+0x94/0x100 [ 206.764070] smpboot_thread_fn+0x68b/0xa00 [ 206.768302] ? sort_range+0x30/0x30 [ 206.771935] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 206.777040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.782577] ? __kthread_parkme+0xfb/0x1a0 [ 206.786813] kthread+0x35a/0x420 [ 206.790192] ? sort_range+0x30/0x30 [ 206.793815] ? kthread_bind+0x40/0x40 [ 206.797627] ret_from_fork+0x3a/0x50 [ 206.801345] warn_alloc_show_mem: 1 callbacks suppressed [ 206.801360] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 206.801362] Mem-Info: [ 206.801395] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 206.801395] active_file:16 inactive_file:13 isolated_file:0 [ 206.801395] unevictable:0 dirty:0 writeback:0 unstable:0 [ 206.801395] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 206.801395] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 206.801395] free:13630 free_pcp:242 free_cma:0 [ 206.806746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.813941] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 206.816349] Call Trace: [ 206.849239] Node 0 [ 206.858620] [ 206.886144] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 206.888717] dump_stack+0x1c4/0x2b4 [ 206.890937] lowmem_reserve[]: [ 206.893096] ? dump_stack_print_info.cold.2+0x52/0x52 [ 206.918572] 0 2819 [ 206.922243] warn_alloc.cold.119+0xb7/0x1bd [ 206.925327] 6323 [ 206.930529] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 206.932749] 6323 [ 206.937073] ? lock_downgrade+0x900/0x900 [ 206.943959] ? trace_hardirqs_off+0xb8/0x310 [ 206.946007] Node 0 [ 206.950155] ? trace_hardirqs_off+0xb8/0x310 [ 206.954565] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 206.956787] __alloc_pages_slowpath+0x2667/0x2d80 [ 206.961171] lowmem_reserve[]: [ 206.988177] ? warn_alloc+0x120/0x120 [ 206.992993] 0 [ 206.996107] ? warn_alloc+0x120/0x120 [ 206.999882] 0 [ 207.001705] ? warn_alloc+0x120/0x120 [ 207.005477] 3503 3503 [ 207.007293] ? mark_held_locks+0x130/0x130 [ 207.013565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.017774] Node 0 [ 207.023309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.023341] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 207.023344] lowmem_reserve[]: 0 0 [ 207.025609] ? should_fail+0x22d/0xd01 [ 207.031128] 0 [ 207.059424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.062864] 0 [ 207.066754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.073629] ? should_fail+0x22d/0xd01 [ 207.075406] Node 0 [ 207.080947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.084810] DMA: [ 207.087059] ? should_fail+0x22d/0xd01 [ 207.092141] 1*4kB [ 207.094207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.098068] (U) [ 207.100223] ? mark_held_locks+0x130/0x130 [ 207.105297] 0*8kB 0*16kB [ 207.107291] ? mark_held_locks+0x130/0x130 [ 207.111492] 1*32kB (U) [ 207.114263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.118475] 2*64kB [ 207.121061] ? mark_held_locks+0x130/0x130 [ 207.126572] (U) [ 207.128813] ? trace_hardirqs_on+0x310/0x310 [ 207.133021] 1*128kB [ 207.135002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.139381] (U) [ 207.141705] ? wq_watchdog_touch+0x9c/0xfe [ 207.147219] 1*256kB (U) [ 207.149215] ? io_serial_in+0x11/0x90 [ 207.153434] 0*512kB [ 207.156111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.159882] 1*1024kB [ 207.162210] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 207.167735] (U) [ 207.170161] __alloc_pages_nodemask+0xa80/0xde0 [ 207.175238] 1*2048kB [ 207.177214] ? should_fail+0x22d/0xd01 [ 207.181866] (M) [ 207.184282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 207.188141] 3*4096kB [ 207.190124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 207.195105] (M) [ 207.197516] ? lock_downgrade+0x900/0x900 [ 207.202160] = 15908kB [ 207.204136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.208255] Node 0 [ 207.210663] cache_grow_begin+0x91/0x8c0 [ 207.216171] DMA32: [ 207.218415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 207.222451] 4*4kB [ 207.224685] fallback_alloc+0x203/0x2e0 [ 207.229077] (M) [ 207.231230] ____cache_alloc_node+0x1c7/0x1e0 [ 207.235181] 0*8kB [ 207.237158] kmem_cache_alloc_node+0xe3/0x730 [ 207.241632] 2*16kB [ 207.243787] ? ipv6_get_ifaddr+0x42e/0x620 [ 207.248253] (M) [ 207.250491] __alloc_skb+0x119/0x770 [ 207.254703] 2*32kB [ 207.256769] ? skb_scrub_packet+0x490/0x490 [ 207.260457] (M) [ 207.262692] ? lock_downgrade+0x900/0x900 [ 207.266987] 5*64kB [ 207.268963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.273082] (UM) [ 207.275320] ? refcount_sub_and_test_checked+0x203/0x310 [ 207.280824] 3*128kB (M) [ 207.282905] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 207.288330] 4*256kB [ 207.291007] ? addrconf_rs_timer+0x690/0x690 [ 207.296437] (UM) [ 207.298768] ndisc_alloc_skb+0x144/0x340 [ 207.303148] 3*512kB [ 207.305210] ndisc_send_rs+0x331/0x6e0 [ 207.309243] (M) [ 207.311569] addrconf_rs_timer+0x314/0x690 [ 207.315431] 3*1024kB [ 207.317404] ? can_stat_update+0x59a/0xa60 [ 207.321612] (UM) [ 207.324022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.328231] 1*2048kB [ 207.330293] call_timer_fn+0x272/0x920 [ 207.334503] (M) [ 207.336923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.340786] 4*4096kB [ 207.342762] ? process_timeout+0x40/0x40 [ 207.346995] (M) [ 207.349407] ? trace_hardirqs_off+0xb8/0x310 [ 207.353448] = 24880kB [ 207.355593] ? kasan_check_read+0x11/0x20 [ 207.359979] Node 0 [ 207.362391] ? do_raw_spin_unlock+0xa7/0x2f0 [ 207.366513] Normal: [ 207.368746] ? trace_hardirqs_on+0x310/0x310 [ 207.373140] 719*4kB [ 207.375457] ? __run_timers+0x7da/0xc70 [ 207.379873] (ME) [ 207.382200] ? lock_downgrade+0x900/0x900 [ 207.386149] 385*8kB [ 207.388207] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 207.392328] (UME) [ 207.394665] ? trace_hardirqs_on+0xbd/0x310 [ 207.399742] 182*16kB [ 207.402114] ? kasan_check_read+0x11/0x20 [ 207.402132] ? __run_timers+0x7da/0xc70 [ 207.406438] (ME) [ 207.408862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.412987] 99*32kB [ 207.416955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.418994] (UME) [ 207.424447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.426748] 27*64kB [ 207.432282] __run_timers+0x7e5/0xc70 [ 207.434411] (UM) [ 207.438645] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 207.440946] 0*128kB [ 207.444742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.446787] 0*256kB [ 207.452143] ? rcu_bh_qs+0xc0/0xc0 [ 207.454446] 0*512kB [ 207.459725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.462033] 0*1024kB [ 207.465574] ? check_preemption_disabled+0x48/0x200 [ 207.467874] 0*2048kB [ 207.473416] ? rcu_nmi_exit+0xdb/0x280 [ 207.475814] 0*4096kB [ 207.480842] ? ret_from_intr+0xb/0x1e [ 207.483233] = 13764kB [ 207.483248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 207.487128] ? retint_kernel+0x2d/0x2d [ 207.489530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 207.493325] ? trace_hardirqs_on_caller+0xc0/0x310 [ 207.495712] 148 total pagecache pages [ 207.504547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.508413] 0 pages in swap cache [ 207.517500] ? trace_hardirqs_off+0x310/0x310 [ 207.522419] Swap cache stats: add 0, delete 0, find 0/0 [ 207.526218] ? check_preemption_disabled+0x48/0x200 [ 207.530958] Free swap = 0kB [ 207.534406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.538876] Total swap = 0kB [ 207.544236] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.549224] 1965979 pages RAM [ 207.552239] ? retint_kernel+0x2d/0x2d [ 207.557754] 0 pages HighMem/MovableOnly [ 207.560771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.565516] 342307 pages reserved [ 207.565524] 0 pages cma reserved [ 207.568635] ? check_preemption_disabled+0x48/0x200 [ 207.572622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 207.576535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.582127] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 207.585502] run_timer_softirq+0x52/0xb0 [ 207.588850] ksoftirqd/0 cpuset= [ 207.593868] ? __this_cpu_preempt_check+0x1c/0x1f [ 207.600334] / [ 207.605880] __do_softirq+0x30b/0xad8 [ 207.616167] mems_allowed=0 [ 207.620223] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 207.641889] ? pvclock_read_flags+0x160/0x160 [ 207.646384] ? lapic_next_event+0x5a/0x90 [ 207.650531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.656066] ? clockevents_program_event+0x140/0x370 [ 207.661172] ? kvm_clock_read+0x18/0x30 [ 207.665240] ? kvm_sched_clock_read+0x9/0x20 [ 207.669654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.675196] ? check_preemption_disabled+0x48/0x200 [ 207.680219] irq_exit+0x17f/0x1c0 [ 207.683673] smp_apic_timer_interrupt+0x1cb/0x760 [ 207.688517] ? smp_reschedule_interrupt+0x109/0x650 [ 207.693532] ? smp_call_function_single_interrupt+0x650/0x650 [ 207.699426] ? interrupt_entry+0xb5/0xf0 [ 207.703487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 207.708500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 207.713602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.718442] ? trace_hardirqs_on_caller+0x310/0x310 [ 207.723455] ? trace_hardirqs_on_caller+0x310/0x310 [ 207.728470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.734051] ? check_preemption_disabled+0x48/0x200 [ 207.739068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.744627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.749480] apic_timer_interrupt+0xf/0x20 [ 207.753706] [ 207.755945] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 207.760880] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 207.779781] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 207.787490] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 207.794753] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 207.802018] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 207.809282] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 207.816546] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 207.823835] ? trace_hardirqs_on+0xb4/0x310 [ 207.828172] skb_clone+0x1bb/0x500 [ 207.831713] ? finish_task_switch+0x2f5/0x900 [ 207.836212] ? skb_split+0x11e0/0x11e0 [ 207.840098] ? preempt_notifier_register+0x200/0x200 [ 207.845201] ? __switch_to_asm+0x34/0x70 [ 207.849259] ? __switch_to_asm+0x34/0x70 [ 207.853314] ? __switch_to_asm+0x40/0x70 [ 207.857378] ? __switch_to_asm+0x34/0x70 [ 207.861434] ? __switch_to_asm+0x40/0x70 [ 207.865491] ? __switch_to_asm+0x34/0x70 [ 207.869552] ? __switch_to_asm+0x40/0x70 [ 207.873610] ? __switch_to_asm+0x34/0x70 [ 207.877669] ? __switch_to_asm+0x34/0x70 [ 207.881729] ? __switch_to_asm+0x40/0x70 [ 207.885785] ? __switch_to_asm+0x34/0x70 [ 207.889858] bpf_clone_redirect+0xb9/0x490 [ 207.894100] ? __schedule+0x874/0x1ed0 [ 207.897999] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 207.903015] ? __sched_text_start+0x8/0x8 [ 207.907160] ? retint_kernel+0x2d/0x2d [ 207.911045] ? retint_kernel+0x2d/0x2d [ 207.914938] ? trace_hardirqs_on_caller+0xc0/0x310 [ 207.919869] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.924624] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.929379] ? trace_hardirqs_off+0x310/0x310 [ 207.933881] ? lock_acquire+0x1ed/0x520 [ 207.937860] ? bpf_test_run+0x32e/0x5a0 [ 207.941850] ? lock_release+0x970/0x970 [ 207.945826] ? preempt_schedule+0x4d/0x60 [ 207.949988] ? preempt_schedule_common+0x1f/0xd0 [ 207.954840] ? preempt_schedule+0x4d/0x60 [ 207.958991] ? ___preempt_schedule+0x16/0x18 [ 207.963405] ? bpf_test_run+0x1c0/0x5a0 [ 207.967384] ? netlink_diag_dump+0x2a0/0x2a0 [ 207.971797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.977336] ? bpf_test_init.isra.9+0x70/0x100 [ 207.981926] ? bpf_prog_test_run_skb+0x634/0xb40 [ 207.986683] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 207.991608] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 207.997141] ? fput+0x130/0x1a0 [ 208.000417] ? __bpf_prog_get+0x9b/0x290 [ 208.004476] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.009348] ? bpf_prog_test_run+0x130/0x1a0 [ 208.013758] ? __x64_sys_bpf+0x3d8/0x510 [ 208.017819] ? bpf_prog_get+0x20/0x20 [ 208.021646] ? do_syscall_64+0x1b9/0x820 [ 208.025704] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 208.031068] ? syscall_return_slowpath+0x5e0/0x5e0 [ 208.035993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.040848] ? trace_hardirqs_on_caller+0x310/0x310 [ 208.045866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 208.050885] ? prepare_exit_to_usermode+0x291/0x3b0 [ 208.055901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.060745] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 208.066117] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 208.066168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 208.072885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.072890] Call Trace: [ 208.072909] dump_stack+0x1c4/0x2b4 [ 208.072930] ? dump_stack_print_info.cold.2+0x52/0x52 [ 208.079471] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 208.088769] warn_alloc.cold.119+0xb7/0x1bd [ 208.091331] syz-executor0 cpuset= [ 208.094954] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.100117] syz0 [ 208.110597] ? lock_downgrade+0x900/0x900 [ 208.114897] mems_allowed=0 [ 208.118341] ? trace_hardirqs_off+0xb8/0x310 [ 208.136590] ? trace_hardirqs_off+0xb8/0x310 [ 208.141002] __alloc_pages_slowpath+0x2667/0x2d80 [ 208.145873] ? warn_alloc+0x120/0x120 [ 208.149678] ? warn_alloc+0x120/0x120 [ 208.153475] ? cpuacct_charge+0x265/0x440 [ 208.157623] ? warn_alloc+0x120/0x120 [ 208.161423] ? mark_held_locks+0x130/0x130 [ 208.165662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.171197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.176739] ? should_fail+0x22d/0xd01 [ 208.180644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.185759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.191307] ? should_fail+0x22d/0xd01 [ 208.195205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.200304] ? should_fail+0x22d/0xd01 [ 208.204195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.209299] ? mark_held_locks+0x130/0x130 [ 208.213536] ? mark_held_locks+0x130/0x130 [ 208.217772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.223309] ? mark_held_locks+0x130/0x130 [ 208.227542] ? trace_hardirqs_on+0x310/0x310 [ 208.231949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.237483] ? wq_watchdog_touch+0x9c/0xfe [ 208.241720] ? io_serial_in+0x11/0x90 [ 208.245519] ? retint_kernel+0x2d/0x2d [ 208.249412] ? trace_hardirqs_on_caller+0xc0/0x310 [ 208.254346] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.259101] ? trace_hardirqs_off+0x310/0x310 [ 208.263593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 208.268703] __alloc_pages_nodemask+0xa80/0xde0 [ 208.273374] ? should_fail+0x22d/0xd01 [ 208.277263] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 208.282294] ? ____cache_alloc_node+0x1c7/0x1e0 [ 208.286966] ? lock_downgrade+0x900/0x900 [ 208.291117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.296655] cache_grow_begin+0x91/0x8c0 [ 208.300717] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.305135] fallback_alloc+0x203/0x2e0 [ 208.309116] ____cache_alloc_node+0x1c7/0x1e0 [ 208.313612] kmem_cache_alloc_node+0xe3/0x730 [ 208.318106] ? ipv6_get_ifaddr+0x42e/0x620 [ 208.322346] __alloc_skb+0x119/0x770 [ 208.326064] ? skb_scrub_packet+0x490/0x490 [ 208.330388] ? lock_downgrade+0x900/0x900 [ 208.334538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.340094] ? refcount_sub_and_test_checked+0x203/0x310 [ 208.345554] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 208.351008] ? addrconf_rs_timer+0x690/0x690 [ 208.355425] ndisc_alloc_skb+0x144/0x340 [ 208.359488] ndisc_send_rs+0x331/0x6e0 [ 208.363380] addrconf_rs_timer+0x314/0x690 [ 208.367624] ? lock_release+0x970/0x970 [ 208.371603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.375861] call_timer_fn+0x272/0x920 [ 208.379749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.383987] ? process_timeout+0x40/0x40 [ 208.388043] ? kasan_check_read+0x11/0x20 [ 208.392192] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.396601] ? trace_hardirqs_on+0x310/0x310 [ 208.401012] ? __run_timers+0x7da/0xc70 [ 208.404996] ? lock_downgrade+0x900/0x900 [ 208.409158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 208.414266] ? trace_hardirqs_on+0xbd/0x310 [ 208.418594] ? kasan_check_read+0x11/0x20 [ 208.422750] ? __run_timers+0x7da/0xc70 [ 208.426730] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 208.432183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.437725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.441962] __run_timers+0x7e5/0xc70 [ 208.445772] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 208.455999] ? lock_downgrade+0x900/0x900 [ 208.460147] ? finish_task_switch+0x1b5/0x900 [ 208.464645] ? trace_hardirqs_on+0xbd/0x310 [ 208.468961] ? kasan_check_read+0x11/0x20 [ 208.473103] ? finish_task_switch+0x1f5/0x900 [ 208.477688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 208.483142] ? compat_start_thread+0x80/0x80 [ 208.487558] ? pvclock_read_flags+0x160/0x160 [ 208.492053] ? __switch_to_asm+0x34/0x70 [ 208.496109] ? __switch_to_asm+0x34/0x70 [ 208.500166] ? __switch_to_asm+0x40/0x70 [ 208.504222] ? __switch_to_asm+0x40/0x70 [ 208.508276] ? __switch_to_asm+0x34/0x70 [ 208.512330] ? __switch_to_asm+0x40/0x70 [ 208.516394] ? trace_hardirqs_on+0xbd/0x310 [ 208.520711] ? kvm_sched_clock_read+0x9/0x20 [ 208.525134] ? run_ksoftirqd+0x94/0x100 [ 208.529108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.534645] ? check_preemption_disabled+0x48/0x200 [ 208.539655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.545199] run_timer_softirq+0x52/0xb0 [ 208.549260] ? __this_cpu_preempt_check+0x1c/0x1f [ 208.554106] __do_softirq+0x30b/0xad8 [ 208.557910] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 208.563017] ? schedule+0x108/0x460 [ 208.566650] ? trace_hardirqs_off+0xb8/0x310 [ 208.571062] ? smpboot_thread_fn+0x68b/0xa00 [ 208.575468] ? trace_hardirqs_on+0x310/0x310 [ 208.579888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.585446] ? check_preemption_disabled+0x48/0x200 [ 208.590466] ? takeover_tasklets+0xa90/0xa90 [ 208.594877] run_ksoftirqd+0x94/0x100 [ 208.598676] smpboot_thread_fn+0x68b/0xa00 [ 208.602914] ? sort_range+0x30/0x30 [ 208.606544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 208.611646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.617189] ? __kthread_parkme+0xfb/0x1a0 [ 208.621428] kthread+0x35a/0x420 [ 208.624794] ? sort_range+0x30/0x30 [ 208.628417] ? kthread_bind+0x40/0x40 [ 208.632217] ret_from_fork+0x3a/0x50 [ 208.635936] warn_alloc_show_mem: 1 callbacks suppressed [ 208.635949] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 208.635951] Mem-Info: [ 208.635982] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 208.635982] active_file:16 inactive_file:13 isolated_file:0 [ 208.635982] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.635982] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 208.635982] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 208.635982] free:13630 free_pcp:242 free_cma:0 [ 208.641334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.648527] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 208.650929] Call Trace: [ 208.683798] Node 0 [ 208.693153] [ 208.720660] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 208.723225] dump_stack+0x1c4/0x2b4 [ 208.725445] lowmem_reserve[]: [ 208.727614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 208.753096] 0 [ 208.756728] warn_alloc.cold.119+0xb7/0x1bd [ 208.759804] 2819 [ 208.765002] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.766780] 6323 [ 208.771098] ? lock_downgrade+0x900/0x900 [ 208.773138] 6323 [ 208.777975] ? trace_hardirqs_off+0xb8/0x310 [ 208.784154] ? trace_hardirqs_off+0xb8/0x310 [ 208.786193] Node 0 [ 208.790597] __alloc_pages_slowpath+0x2667/0x2d80 [ 208.795005] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 208.797224] ? warn_alloc+0x120/0x120 [ 208.802021] lowmem_reserve[]: 0 [ 208.829009] ? trace_hardirqs_on+0x310/0x310 [ 208.832783] 0 [ 208.836056] ? warn_alloc+0x120/0x120 [ 208.840438] 3503 [ 208.842238] ? warn_alloc+0x120/0x120 [ 208.846012] 3503 [ 208.848072] ? ktime_get+0x2e1/0x440 [ 208.853919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.857603] Node 0 [ 208.863132] ? check_preemption_disabled+0x48/0x200 [ 208.863163] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 208.863171] lowmem_reserve[]: [ 208.865399] ? kasan_check_read+0x11/0x20 [ 208.870392] 0 [ 208.898670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.901754] 0 [ 208.905903] ? should_fail+0x22d/0xd01 [ 208.907679] 0 [ 208.913212] ? rcu_bh_qs+0xc0/0xc0 [ 208.914989] 0 [ 208.918872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.924188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.925966] Node 0 [ 208.931061] ? should_fail+0x22d/0xd01 [ 208.936571] DMA: [ 208.938807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.942675] 1*4kB [ 208.944736] ? should_fail+0x22d/0xd01 [ 208.949817] (U) [ 208.951981] ? rcu_idle_enter+0x4b0/0x4b0 [ 208.955849] 0*8kB [ 208.957824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.961965] 0*16kB [ 208.964112] ? mark_held_locks+0x130/0x130 [ 208.969183] 1*32kB (U) [ 208.971428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.975638] 2*64kB [ 208.978216] ? mark_held_locks+0x130/0x130 [ 208.983726] (U) [ 208.985961] ? rcu_irq_exit+0xce/0x100 [ 208.990168] 1*128kB [ 208.992138] ? irq_exit+0xbd/0x1c0 [ 208.995999] (U) [ 208.998321] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 209.001848] 1*256kB [ 209.003814] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.008811] (U) [ 209.011142] ? smp_call_function_single_interrupt+0x650/0x650 [ 209.015542] 0*512kB [ 209.017518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.023378] 1*1024kB [ 209.025694] ? ret_from_intr+0xb/0x1e [ 209.031207] (U) [ 209.033611] ? retint_kernel+0x2d/0x2d [ 209.037406] 1*2048kB [ 209.039380] ? trace_hardirqs_on_caller+0xc0/0x310 [ 209.043241] (M) [ 209.045647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.050548] 3*4096kB [ 209.052521] ? trace_hardirqs_off+0x310/0x310 [ 209.057251] (M) [ 209.059656] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 209.064130] = 15908kB [ 209.066106] __alloc_pages_nodemask+0xa80/0xde0 [ 209.071180] Node 0 [ 209.073585] ? should_fail+0x22d/0xd01 [ 209.078228] DMA32: [ 209.080461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.084321] 4*4kB [ 209.086568] ? ____cache_alloc_node+0x1c7/0x1e0 [ 209.091547] (M) [ 209.093692] ? lock_downgrade+0x900/0x900 [ 209.098335] 0*8kB [ 209.100316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.104440] 2*16kB [ 209.106584] cache_grow_begin+0x91/0x8c0 [ 209.112095] (M) [ 209.114330] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.118361] 2*32kB [ 209.120335] fallback_alloc+0x203/0x2e0 [ 209.124718] (M) [ 209.126953] ____cache_alloc_node+0x1c7/0x1e0 [ 209.130900] 5*64kB (UM) [ 209.132887] kmem_cache_alloc_node+0xe3/0x730 [ 209.137363] 3*128kB [ 209.140030] ? ipv6_get_ifaddr+0x42e/0x620 [ 209.144499] (M) [ 209.146824] __alloc_skb+0x119/0x770 [ 209.151050] 4*256kB [ 209.153028] ? skb_scrub_packet+0x490/0x490 [ 209.156718] (UM) [ 209.159039] ? lock_downgrade+0x900/0x900 [ 209.163337] 3*512kB [ 209.165864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.169993] (M) [ 209.172332] ? refcount_sub_and_test_checked+0x203/0x310 [ 209.177861] 3*1024kB [ 209.179843] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 209.185273] (UM) [ 209.187686] ? addrconf_rs_timer+0x690/0x690 [ 209.193113] 1*2048kB [ 209.195182] ndisc_alloc_skb+0x144/0x340 [ 209.199560] (M) [ 209.201968] ndisc_send_rs+0x331/0x6e0 [ 209.206006] 4*4096kB [ 209.207982] addrconf_rs_timer+0x314/0x690 [ 209.211848] (M) [ 209.214260] ? can_stat_update+0x59a/0xa60 [ 209.218468] = 24880kB [ 209.220441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.224650] Node 0 [ 209.227078] call_timer_fn+0x272/0x920 [ 209.231279] Normal: 719*4kB [ 209.233534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.237398] (ME) [ 209.240412] ? process_timeout+0x40/0x40 [ 209.244621] 385*8kB [ 209.246678] ? trace_hardirqs_off+0xb8/0x310 [ 209.250712] (UME) [ 209.253030] ? kasan_check_read+0x11/0x20 [ 209.257416] 182*16kB [ 209.259562] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.263681] (ME) [ 209.266090] ? trace_hardirqs_on+0x310/0x310 [ 209.270473] 99*32kB [ 209.272536] ? __run_timers+0x7da/0xc70 [ 209.276916] (UME) [ 209.279237] ? lock_downgrade+0x900/0x900 [ 209.283191] 27*64kB [ 209.285346] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 209.289453] (UM) 0*128kB [ 209.291785] ? trace_hardirqs_on+0xbd/0x310 [ 209.296867] 0*256kB [ 209.299619] ? kasan_check_read+0x11/0x20 [ 209.303915] 0*512kB [ 209.306264] ? __run_timers+0x7da/0xc70 [ 209.310387] 0*1024kB [ 209.312706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.316657] 0*2048kB [ 209.319065] ? kasan_check_write+0x14/0x20 [ 209.324495] 0*4096kB [ 209.326909] ? do_raw_spin_lock+0xc1/0x200 [ 209.331116] = 13764kB [ 209.333526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.337740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 209.340142] __run_timers+0x7e5/0xc70 [ 209.344352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 209.344362] 148 total pagecache pages [ 209.353200] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.356977] 0 pages in swap cache [ 209.365555] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.369333] Swap cache stats: add 0, delete 0, find 0/0 [ 209.374696] ? rcu_bh_qs+0xc0/0xc0 [ 209.378127] Free swap = 0kB [ 209.383400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.388736] Total swap = 0kB [ 209.392278] ? check_preemption_disabled+0x48/0x200 [ 209.395270] 1965979 pages RAM [ 209.400802] ? rcu_nmi_exit+0xdb/0x280 [ 209.404240] 0 pages HighMem/MovableOnly [ 209.404250] 342307 pages reserved [ 209.409265] ? ret_from_intr+0xb/0x1e [ 209.412350] 0 pages cma reserved [ 209.416229] ? retint_kernel+0x2d/0x2d [ 209.420228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 209.423626] ? trace_hardirqs_on_caller+0xc0/0x310 [ 209.427444] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.430764] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.434624] ksoftirqd/0 cpuset= [ 209.441132] ? trace_hardirqs_off+0x310/0x310 [ 209.446034] / [ 209.456357] ? check_preemption_disabled+0x48/0x200 [ 209.461076] mems_allowed=0 [ 209.478469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.484022] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.488785] ? retint_kernel+0x2d/0x2d [ 209.492673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.498217] ? check_preemption_disabled+0x48/0x200 [ 209.503234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.508778] run_timer_softirq+0x52/0xb0 [ 209.513281] ? __this_cpu_preempt_check+0x1c/0x1f [ 209.518126] __do_softirq+0x30b/0xad8 [ 209.521937] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 209.527048] ? pvclock_read_flags+0x160/0x160 [ 209.531544] ? lapic_next_event+0x5a/0x90 [ 209.535689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.541225] ? clockevents_program_event+0x140/0x370 [ 209.546333] ? kvm_clock_read+0x18/0x30 [ 209.550313] ? kvm_sched_clock_read+0x9/0x20 [ 209.554728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.560264] ? check_preemption_disabled+0x48/0x200 [ 209.565286] irq_exit+0x17f/0x1c0 [ 209.568740] smp_apic_timer_interrupt+0x1cb/0x760 [ 209.573594] ? smp_reschedule_interrupt+0x109/0x650 [ 209.578625] ? smp_call_function_single_interrupt+0x650/0x650 [ 209.584515] ? interrupt_entry+0xb5/0xf0 [ 209.588582] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.593603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.598627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.603478] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.608495] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.613513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.619055] ? check_preemption_disabled+0x48/0x200 [ 209.624069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.629614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.634460] apic_timer_interrupt+0xf/0x20 [ 209.638686] [ 209.640923] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 209.645902] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 209.664821] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 209.672547] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 209.679814] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 209.687091] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 209.694364] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 209.701636] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 209.708923] ? trace_hardirqs_on+0xb4/0x310 [ 209.713259] skb_clone+0x1bb/0x500 [ 209.716798] ? finish_task_switch+0x2f5/0x900 [ 209.721304] ? skb_split+0x11e0/0x11e0 [ 209.725191] ? preempt_notifier_register+0x200/0x200 [ 209.730298] ? __switch_to_asm+0x34/0x70 [ 209.734377] ? __switch_to_asm+0x34/0x70 [ 209.738438] ? __switch_to_asm+0x40/0x70 [ 209.742503] ? __switch_to_asm+0x34/0x70 [ 209.746572] ? __switch_to_asm+0x40/0x70 [ 209.750629] ? __switch_to_asm+0x34/0x70 [ 209.754688] ? __switch_to_asm+0x40/0x70 [ 209.758741] ? __switch_to_asm+0x34/0x70 [ 209.762797] ? __switch_to_asm+0x34/0x70 [ 209.766889] ? __switch_to_asm+0x40/0x70 [ 209.770950] ? __switch_to_asm+0x34/0x70 [ 209.775019] bpf_clone_redirect+0xb9/0x490 [ 209.779255] ? __schedule+0x874/0x1ed0 [ 209.783147] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 209.788161] ? __sched_text_start+0x8/0x8 [ 209.792306] ? retint_kernel+0x2d/0x2d [ 209.796194] ? retint_kernel+0x2d/0x2d [ 209.800080] ? trace_hardirqs_on_caller+0xc0/0x310 [ 209.805012] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.809940] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.814699] ? trace_hardirqs_off+0x310/0x310 [ 209.819203] ? lock_acquire+0x1ed/0x520 [ 209.823175] ? bpf_test_run+0x32e/0x5a0 [ 209.827157] ? lock_release+0x970/0x970 [ 209.831131] ? preempt_schedule+0x4d/0x60 [ 209.835279] ? preempt_schedule_common+0x1f/0xd0 [ 209.840035] ? preempt_schedule+0x4d/0x60 [ 209.844180] ? ___preempt_schedule+0x16/0x18 [ 209.848592] ? bpf_test_run+0x1c0/0x5a0 [ 209.852575] ? netlink_diag_dump+0x2a0/0x2a0 [ 209.856985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.862517] ? bpf_test_init.isra.9+0x70/0x100 [ 209.867107] ? bpf_prog_test_run_skb+0x634/0xb40 [ 209.871864] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 209.876704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 209.882256] ? fput+0x130/0x1a0 [ 209.885537] ? __bpf_prog_get+0x9b/0x290 [ 209.889603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 209.894457] ? bpf_prog_test_run+0x130/0x1a0 [ 209.898867] ? __x64_sys_bpf+0x3d8/0x510 [ 209.902928] ? bpf_prog_get+0x20/0x20 [ 209.906737] ? do_syscall_64+0x1b9/0x820 [ 209.910799] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 209.916172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 209.921099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.925941] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.930954] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 209.935972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 209.940991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.945851] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 209.951231] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 209.951283] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 209.957996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.958005] Call Trace: [ 209.964563] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.973850] dump_stack+0x1c4/0x2b4 [ 209.976400] syz-executor0 cpuset= [ 209.986886] ? dump_stack_print_info.cold.2+0x52/0x52 [ 209.990488] syz0 [ 209.993941] warn_alloc.cold.119+0xb7/0x1bd [ 209.999102] mems_allowed=0 [ 210.001071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.013126] ? lock_downgrade+0x900/0x900 [ 210.017281] ? trace_hardirqs_off+0xb8/0x310 [ 210.021689] ? trace_hardirqs_off+0xb8/0x310 [ 210.026103] __alloc_pages_slowpath+0x2667/0x2d80 [ 210.030963] ? warn_alloc+0x120/0x120 [ 210.034768] ? warn_alloc+0x120/0x120 [ 210.038564] ? cpuacct_charge+0x265/0x440 [ 210.042707] ? warn_alloc+0x120/0x120 [ 210.046516] ? mark_held_locks+0x130/0x130 [ 210.050761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.056305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.061856] ? should_fail+0x22d/0xd01 [ 210.065749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.070874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.076413] ? should_fail+0x22d/0xd01 [ 210.080302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.085401] ? should_fail+0x22d/0xd01 [ 210.089289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.094392] ? mark_held_locks+0x130/0x130 [ 210.098630] ? mark_held_locks+0x130/0x130 [ 210.102879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.108420] ? trace_hardirqs_off+0xb8/0x310 [ 210.112836] ? kasan_check_read+0x11/0x20 [ 210.116993] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.121399] ? trace_hardirqs_on+0x310/0x310 [ 210.125803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.131349] ? wq_watchdog_touch+0x9c/0xfe [ 210.135582] ? io_serial_in+0x11/0x90 [ 210.139383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.144921] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.150032] __alloc_pages_nodemask+0xa80/0xde0 [ 210.154698] ? should_fail+0x22d/0xd01 [ 210.158586] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.163612] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.168280] ? lock_downgrade+0x900/0x900 [ 210.172429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.177967] cache_grow_begin+0x91/0x8c0 [ 210.182032] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.186441] fallback_alloc+0x203/0x2e0 [ 210.190420] ____cache_alloc_node+0x1c7/0x1e0 [ 210.194920] kmem_cache_alloc_node+0xe3/0x730 [ 210.199413] ? ipv6_get_ifaddr+0x42e/0x620 [ 210.203655] __alloc_skb+0x119/0x770 [ 210.207370] ? skb_scrub_packet+0x490/0x490 [ 210.211690] ? lock_downgrade+0x900/0x900 [ 210.215869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.221408] ? refcount_sub_and_test_checked+0x203/0x310 [ 210.226873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 210.232335] ? addrconf_rs_timer+0x690/0x690 [ 210.236761] ndisc_alloc_skb+0x144/0x340 [ 210.240823] ndisc_send_rs+0x331/0x6e0 [ 210.244730] addrconf_rs_timer+0x314/0x690 [ 210.248963] ? lock_release+0x970/0x970 [ 210.252940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.257184] call_timer_fn+0x272/0x920 [ 210.261074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.265313] ? process_timeout+0x40/0x40 [ 210.269368] ? kasan_check_read+0x11/0x20 [ 210.273521] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.277931] ? trace_hardirqs_on+0x310/0x310 [ 210.282346] ? __run_timers+0x7da/0xc70 [ 210.286340] ? lock_downgrade+0x900/0x900 [ 210.290503] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.295609] ? trace_hardirqs_on+0xbd/0x310 [ 210.299924] ? kasan_check_read+0x11/0x20 [ 210.304073] ? __run_timers+0x7da/0xc70 [ 210.308049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 210.313499] ? kasan_check_write+0x14/0x20 [ 210.317734] ? do_raw_spin_lock+0xc1/0x200 [ 210.321972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.326204] __run_timers+0x7e5/0xc70 [ 210.330011] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 210.335376] ? lock_downgrade+0x900/0x900 [ 210.339520] ? finish_task_switch+0x1b5/0x900 [ 210.344014] ? trace_hardirqs_on+0xbd/0x310 [ 210.348329] ? kasan_check_read+0x11/0x20 [ 210.352480] ? finish_task_switch+0x1f5/0x900 [ 210.356972] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 210.362422] ? compat_start_thread+0x80/0x80 [ 210.366851] ? pvclock_read_flags+0x160/0x160 [ 210.371345] ? __switch_to_asm+0x34/0x70 [ 210.375409] ? __switch_to_asm+0x34/0x70 [ 210.379465] ? __switch_to_asm+0x40/0x70 [ 210.383526] ? __switch_to_asm+0x40/0x70 [ 210.387588] ? __switch_to_asm+0x34/0x70 [ 210.391643] ? __switch_to_asm+0x40/0x70 [ 210.395711] ? trace_hardirqs_on+0xbd/0x310 [ 210.400034] ? kvm_sched_clock_read+0x9/0x20 [ 210.404446] ? run_ksoftirqd+0x94/0x100 [ 210.408425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.413961] ? check_preemption_disabled+0x48/0x200 [ 210.418976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.424517] run_timer_softirq+0x52/0xb0 [ 210.428578] ? __this_cpu_preempt_check+0x1c/0x1f [ 210.433419] __do_softirq+0x30b/0xad8 [ 210.437228] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 210.442338] ? schedule+0x108/0x460 [ 210.445976] ? trace_hardirqs_off+0xb8/0x310 [ 210.450468] ? smpboot_thread_fn+0x68b/0xa00 [ 210.454875] ? trace_hardirqs_on+0x310/0x310 [ 210.459281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.464820] ? check_preemption_disabled+0x48/0x200 [ 210.469863] ? takeover_tasklets+0xa90/0xa90 [ 210.474273] run_ksoftirqd+0x94/0x100 [ 210.478073] smpboot_thread_fn+0x68b/0xa00 [ 210.482315] ? sort_range+0x30/0x30 [ 210.485942] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.491043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.496579] ? __kthread_parkme+0xfb/0x1a0 [ 210.500815] kthread+0x35a/0x420 [ 210.504191] ? sort_range+0x30/0x30 [ 210.507814] ? kthread_bind+0x40/0x40 [ 210.511632] ret_from_fork+0x3a/0x50 [ 210.515348] warn_alloc_show_mem: 1 callbacks suppressed [ 210.515361] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 210.515363] Mem-Info: [ 210.515393] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 210.515393] active_file:16 inactive_file:13 isolated_file:0 [ 210.515393] unevictable:0 dirty:0 writeback:0 unstable:0 [ 210.515393] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 210.515393] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 210.515393] free:13630 free_pcp:242 free_cma:0 [ 210.520740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.527933] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 210.530333] Call Trace: [ 210.563200] Node 0 [ 210.572559] [ 210.600078] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.602645] dump_stack+0x1c4/0x2b4 [ 210.604864] lowmem_reserve[]: [ 210.607019] ? dump_stack_print_info.cold.2+0x52/0x52 [ 210.632503] 0 [ 210.636144] warn_alloc.cold.119+0xb7/0x1bd [ 210.639221] 2819 [ 210.644416] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.646197] 6323 [ 210.650519] ? lock_downgrade+0x900/0x900 [ 210.652560] 6323 [ 210.657401] ? trace_hardirqs_off+0xb8/0x310 [ 210.663588] ? trace_hardirqs_off+0xb8/0x310 [ 210.665634] Node 0 [ 210.670042] __alloc_pages_slowpath+0x2667/0x2d80 [ 210.674458] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 210.676683] ? warn_alloc+0x120/0x120 [ 210.681492] lowmem_reserve[]: [ 210.708477] ? trace_hardirqs_on+0x310/0x310 [ 210.712258] 0 [ 210.715368] ? warn_alloc+0x120/0x120 [ 210.719751] 0 [ 210.721551] ? warn_alloc+0x120/0x120 [ 210.725329] 3503 [ 210.727136] ? ktime_get+0x2e1/0x440 [ 210.730914] 3503 [ 210.732979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.738727] ? check_preemption_disabled+0x48/0x200 [ 210.744239] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 210.749286] ? kasan_check_read+0x11/0x20 [ 210.749305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.778175] lowmem_reserve[]: 0 [ 210.782360] ? should_fail+0x22d/0xd01 [ 210.787873] 0 [ 210.791156] ? rcu_bh_qs+0xc0/0xc0 [ 210.795014] 0 [ 210.796817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.800330] 0 [ 210.802144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.807219] Node 0 [ 210.809031] ? should_fail+0x22d/0xd01 [ 210.814546] DMA: [ 210.816783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.820650] 1*4kB [ 210.822708] ? should_fail+0x22d/0xd01 [ 210.827791] (U) [ 210.829939] ? rcu_idle_enter+0x4b0/0x4b0 [ 210.833806] 0*8kB [ 210.835785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.840028] 0*16kB [ 210.842179] ? mark_held_locks+0x130/0x130 [ 210.847256] 1*32kB [ 210.849491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.853702] (U) [ 210.855945] ? mark_held_locks+0x130/0x130 [ 210.861477] 2*64kB [ 210.863454] ? rcu_irq_exit+0xce/0x100 [ 210.867663] (U) [ 210.869898] ? irq_exit+0xbd/0x1c0 [ 210.873760] 1*128kB [ 210.875733] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 210.879244] (U) [ 210.881567] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.886556] 1*256kB [ 210.888535] ? smp_call_function_single_interrupt+0x650/0x650 [ 210.892915] (U) [ 210.895242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.901102] 0*512kB [ 210.903073] ? ret_from_intr+0xb/0x1e [ 210.908587] 1*1024kB [ 210.910907] ? retint_kernel+0x2d/0x2d [ 210.914689] (U) [ 210.917108] ? trace_hardirqs_on_caller+0xc0/0x310 [ 210.920968] 1*2048kB [ 210.922945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 210.927861] (M) [ 210.930275] ? trace_hardirqs_off+0x310/0x310 [ 210.935010] 3*4096kB [ 210.936983] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.941454] (M) [ 210.943879] __alloc_pages_nodemask+0xa80/0xde0 [ 210.948955] = 15908kB [ 210.950939] ? should_fail+0x22d/0xd01 [ 210.955581] Node 0 [ 210.957988] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.961857] DMA32: [ 210.964104] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.969086] 4*4kB [ 210.971322] ? lock_downgrade+0x900/0x900 [ 210.975963] (M) [ 210.978121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.982248] 0*8kB [ 210.984225] cache_grow_begin+0x91/0x8c0 [ 210.989737] 2*16kB [ 210.991885] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.995927] (M) [ 210.998164] fallback_alloc+0x203/0x2e0 [ 211.002551] 2*32kB [ 211.004526] ____cache_alloc_node+0x1c7/0x1e0 [ 211.008475] (M) [ 211.010708] kmem_cache_alloc_node+0xe3/0x730 [ 211.015181] 5*64kB [ 211.017155] ? ipv6_get_ifaddr+0x42e/0x620 [ 211.021625] (UM) [ 211.023874] __alloc_skb+0x119/0x770 [ 211.028084] 3*128kB [ 211.030142] ? skb_scrub_packet+0x490/0x490 [ 211.033846] (M) [ 211.036166] ? lock_downgrade+0x900/0x900 [ 211.040462] 4*256kB [ 211.042438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.046564] (UM) [ 211.048893] ? refcount_sub_and_test_checked+0x203/0x310 [ 211.054405] 3*512kB [ 211.056467] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 211.061892] (M) [ 211.064214] ? addrconf_rs_timer+0x690/0x690 [ 211.069645] 3*1024kB [ 211.071624] ndisc_alloc_skb+0x144/0x340 [ 211.076014] (UM) [ 211.078431] ndisc_send_rs+0x331/0x6e0 [ 211.082463] 1*2048kB [ 211.084527] addrconf_rs_timer+0x314/0x690 [ 211.088386] (M) [ 211.090796] ? can_stat_update+0x59a/0xa60 [ 211.095004] 4*4096kB [ 211.096979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.101189] (M) [ 211.103606] call_timer_fn+0x272/0x920 [ 211.107811] = 24880kB [ 211.109801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.113663] Node 0 [ 211.116074] ? process_timeout+0x40/0x40 [ 211.120280] Normal: [ 211.122515] ? trace_hardirqs_off+0xb8/0x310 [ 211.126554] 719*4kB [ 211.128877] ? kasan_check_read+0x11/0x20 [ 211.133260] (ME) [ 211.135588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 211.139708] 385*8kB [ 211.141772] ? trace_hardirqs_on+0x310/0x310 [ 211.146153] (UME) [ 211.148474] ? __run_timers+0x7da/0xc70 [ 211.152867] 182*16kB [ 211.155014] ? lock_downgrade+0x900/0x900 [ 211.158962] (ME) [ 211.161373] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 211.165495] 99*32kB [ 211.167558] ? trace_hardirqs_on+0xbd/0x310 [ 211.172636] (UME) [ 211.174963] ? kasan_check_read+0x11/0x20 [ 211.179267] 27*64kB [ 211.181414] ? __run_timers+0x7da/0xc70 [ 211.185534] (UM) [ 211.187875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.191835] 0*128kB [ 211.193893] ? kasan_check_write+0x14/0x20 [ 211.199323] 0*256kB [ 211.201651] ? do_raw_spin_lock+0xc1/0x200 [ 211.205867] 0*512kB [ 211.208188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.212396] 0*1024kB [ 211.214717] __run_timers+0x7e5/0xc70 [ 211.218928] 0*2048kB [ 211.221516] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 211.225288] 0*4096kB [ 211.227700] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.233043] = 13764kB [ 211.235453] ? rcu_bh_qs+0xc0/0xc0 [ 211.240719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.243131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.246649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 211.255489] ? check_preemption_disabled+0x48/0x200 [ 211.261001] 148 total pagecache pages [ 211.269581] ? rcu_nmi_exit+0xdb/0x280 [ 211.274578] 0 pages in swap cache [ 211.278377] ? ret_from_intr+0xb/0x1e [ 211.282245] Swap cache stats: add 0, delete 0, find 0/0 [ 211.285689] ? retint_kernel+0x2d/0x2d [ 211.289466] Free swap = 0kB [ 211.294838] ? trace_hardirqs_on_caller+0xc0/0x310 [ 211.298703] Total swap = 0kB [ 211.301720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.306624] 1965979 pages RAM [ 211.309642] ? trace_hardirqs_off+0x310/0x310 [ 211.314378] 0 pages HighMem/MovableOnly [ 211.317484] ? check_preemption_disabled+0x48/0x200 [ 211.321955] 342307 pages reserved [ 211.325938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.330941] 0 pages cma reserved [ 211.334394] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.339963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 211.343274] ? retint_kernel+0x2d/0x2d [ 211.348048] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.354587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.358450] ksoftirqd/0 cpuset= [ 211.368767] ? check_preemption_disabled+0x48/0x200 [ 211.374286] / [ 211.377565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.382566] mems_allowed=0 [ 211.384284] run_timer_softirq+0x52/0xb0 [ 211.396778] ? __this_cpu_preempt_check+0x1c/0x1f [ 211.401905] __do_softirq+0x30b/0xad8 [ 211.405718] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 211.410839] ? pvclock_read_flags+0x160/0x160 [ 211.415427] ? lapic_next_event+0x5a/0x90 [ 211.419589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.425139] ? clockevents_program_event+0x140/0x370 [ 211.430253] ? kvm_clock_read+0x18/0x30 [ 211.434231] ? kvm_sched_clock_read+0x9/0x20 [ 211.438651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.444193] ? check_preemption_disabled+0x48/0x200 [ 211.449222] irq_exit+0x17f/0x1c0 [ 211.452683] smp_apic_timer_interrupt+0x1cb/0x760 [ 211.457526] ? smp_reschedule_interrupt+0x109/0x650 [ 211.462545] ? smp_call_function_single_interrupt+0x650/0x650 [ 211.468436] ? interrupt_entry+0xb5/0xf0 [ 211.472500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 211.477523] ? trace_hardirqs_off_caller+0xbb/0x310 [ 211.482546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.487389] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.492404] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.497420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.502958] ? check_preemption_disabled+0x48/0x200 [ 211.507976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.514018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.518873] apic_timer_interrupt+0xf/0x20 [ 211.523100] [ 211.525348] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 211.530277] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 211.549174] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 211.556886] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 211.564152] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 211.571418] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 211.578683] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 211.585951] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 211.593237] ? trace_hardirqs_on+0xb4/0x310 [ 211.597573] skb_clone+0x1bb/0x500 [ 211.601114] ? finish_task_switch+0x2f5/0x900 [ 211.605611] ? skb_split+0x11e0/0x11e0 [ 211.609501] ? preempt_notifier_register+0x200/0x200 [ 211.614603] ? __switch_to_asm+0x34/0x70 [ 211.618663] ? __switch_to_asm+0x34/0x70 [ 211.622719] ? __switch_to_asm+0x40/0x70 [ 211.626787] ? __switch_to_asm+0x34/0x70 [ 211.630857] ? __switch_to_asm+0x40/0x70 [ 211.634918] ? __switch_to_asm+0x34/0x70 [ 211.638985] ? __switch_to_asm+0x40/0x70 [ 211.643044] ? __switch_to_asm+0x34/0x70 [ 211.647105] ? __switch_to_asm+0x34/0x70 [ 211.651162] ? __switch_to_asm+0x40/0x70 [ 211.655219] ? __switch_to_asm+0x34/0x70 [ 211.659289] bpf_clone_redirect+0xb9/0x490 [ 211.663528] ? __schedule+0x874/0x1ed0 [ 211.667421] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 211.672437] ? __sched_text_start+0x8/0x8 [ 211.676585] ? retint_kernel+0x2d/0x2d [ 211.680471] ? retint_kernel+0x2d/0x2d [ 211.684363] ? trace_hardirqs_on_caller+0xc0/0x310 [ 211.689298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.694057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.698814] ? trace_hardirqs_off+0x310/0x310 [ 211.703323] ? lock_acquire+0x1ed/0x520 [ 211.707302] ? bpf_test_run+0x32e/0x5a0 [ 211.711282] ? lock_release+0x970/0x970 [ 211.715257] ? preempt_schedule+0x4d/0x60 [ 211.719409] ? preempt_schedule_common+0x1f/0xd0 [ 211.724166] ? preempt_schedule+0x4d/0x60 [ 211.728313] ? ___preempt_schedule+0x16/0x18 [ 211.732735] ? bpf_test_run+0x1c0/0x5a0 [ 211.736745] ? netlink_diag_dump+0x2a0/0x2a0 [ 211.741419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.746963] ? bpf_test_init.isra.9+0x70/0x100 [ 211.751546] ? bpf_prog_test_run_skb+0x634/0xb40 [ 211.756305] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.761149] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 211.766682] ? fput+0x130/0x1a0 [ 211.769962] ? __bpf_prog_get+0x9b/0x290 [ 211.774026] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.778867] ? bpf_prog_test_run+0x130/0x1a0 [ 211.783278] ? __x64_sys_bpf+0x3d8/0x510 [ 211.787347] ? bpf_prog_get+0x20/0x20 [ 211.791160] ? do_syscall_64+0x1b9/0x820 [ 211.795218] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 211.800582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 211.805513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.810365] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.815383] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 211.820400] ? prepare_exit_to_usermode+0x291/0x3b0 [ 211.825420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.830274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 211.835650] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 211.835709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 211.842421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.842429] Call Trace: [ 211.842463] dump_stack+0x1c4/0x2b4 [ 211.842495] ? dump_stack_print_info.cold.2+0x52/0x52 [ 211.849025] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.858317] warn_alloc.cold.119+0xb7/0x1bd [ 211.860884] syz-executor0 cpuset= [ 211.864514] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 211.869676] syz0 [ 211.880164] ? lock_downgrade+0x900/0x900 [ 211.884465] mems_allowed=0 [ 211.887916] ? trace_hardirqs_off+0xb8/0x310 [ 211.906337] ? trace_hardirqs_off+0xb8/0x310 [ 211.910753] __alloc_pages_slowpath+0x2667/0x2d80 [ 211.915618] ? warn_alloc+0x120/0x120 [ 211.919422] ? warn_alloc+0x120/0x120 [ 211.923227] ? cpuacct_charge+0x265/0x440 [ 211.927378] ? warn_alloc+0x120/0x120 [ 211.931178] ? mark_held_locks+0x130/0x130 [ 211.935418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.940956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.946493] ? should_fail+0x22d/0xd01 [ 211.950382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.955483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.961020] ? should_fail+0x22d/0xd01 [ 211.964914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.970014] ? should_fail+0x22d/0xd01 [ 211.973903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.979009] ? mark_held_locks+0x130/0x130 [ 211.983244] ? mark_held_locks+0x130/0x130 [ 211.987476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.993102] ? trace_hardirqs_off+0xb8/0x310 [ 211.997508] ? kasan_check_read+0x11/0x20 [ 212.001655] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.006065] ? trace_hardirqs_on+0x310/0x310 [ 212.010471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.016012] ? wq_watchdog_touch+0x9c/0xfe [ 212.020250] ? io_serial_in+0x11/0x90 [ 212.024054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.029596] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.034710] __alloc_pages_nodemask+0xa80/0xde0 [ 212.039383] ? should_fail+0x22d/0xd01 [ 212.043274] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.048306] ? ____cache_alloc_node+0x1c7/0x1e0 [ 212.052975] ? lock_downgrade+0x900/0x900 [ 212.057127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.062667] cache_grow_begin+0x91/0x8c0 [ 212.066731] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.071144] fallback_alloc+0x203/0x2e0 [ 212.075126] ____cache_alloc_node+0x1c7/0x1e0 [ 212.079622] kmem_cache_alloc_node+0xe3/0x730 [ 212.084127] ? ipv6_get_ifaddr+0x42e/0x620 [ 212.088371] __alloc_skb+0x119/0x770 [ 212.092089] ? skb_scrub_packet+0x490/0x490 [ 212.096412] ? lock_downgrade+0x900/0x900 [ 212.100564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.106102] ? refcount_sub_and_test_checked+0x203/0x310 [ 212.111557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 212.117008] ? addrconf_rs_timer+0x690/0x690 [ 212.121427] ndisc_alloc_skb+0x144/0x340 [ 212.125498] ndisc_send_rs+0x331/0x6e0 [ 212.129391] addrconf_rs_timer+0x314/0x690 [ 212.133625] ? lock_release+0x970/0x970 [ 212.137600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.141856] call_timer_fn+0x272/0x920 [ 212.145748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.149986] ? process_timeout+0x40/0x40 [ 212.154044] ? kasan_check_read+0x11/0x20 [ 212.158194] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.162606] ? trace_hardirqs_on+0x310/0x310 [ 212.167021] ? __run_timers+0x7da/0xc70 [ 212.170999] ? lock_downgrade+0x900/0x900 [ 212.175149] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.180253] ? trace_hardirqs_on+0xbd/0x310 [ 212.184569] ? kasan_check_read+0x11/0x20 [ 212.188719] ? __run_timers+0x7da/0xc70 [ 212.192699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.198149] ? kasan_check_write+0x14/0x20 [ 212.202386] ? do_raw_spin_lock+0xc1/0x200 [ 212.206629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.210875] __run_timers+0x7e5/0xc70 [ 212.214687] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 212.220049] ? lock_downgrade+0x900/0x900 [ 212.224195] ? finish_task_switch+0x1b5/0x900 [ 212.228884] ? trace_hardirqs_on+0xbd/0x310 [ 212.233207] ? kasan_check_read+0x11/0x20 [ 212.237355] ? finish_task_switch+0x1f5/0x900 [ 212.241866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.247318] ? compat_start_thread+0x80/0x80 [ 212.251737] ? pvclock_read_flags+0x160/0x160 [ 212.256231] ? __switch_to_asm+0x34/0x70 [ 212.260308] ? __switch_to_asm+0x34/0x70 [ 212.264382] ? __switch_to_asm+0x40/0x70 [ 212.268440] ? __switch_to_asm+0x40/0x70 [ 212.272497] ? __switch_to_asm+0x34/0x70 [ 212.276558] ? __switch_to_asm+0x40/0x70 [ 212.280626] ? trace_hardirqs_on+0xbd/0x310 [ 212.284946] ? kvm_sched_clock_read+0x9/0x20 [ 212.289358] ? run_ksoftirqd+0x94/0x100 [ 212.293345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.298896] ? check_preemption_disabled+0x48/0x200 [ 212.303910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.309460] run_timer_softirq+0x52/0xb0 [ 212.313530] ? __this_cpu_preempt_check+0x1c/0x1f [ 212.318373] __do_softirq+0x30b/0xad8 [ 212.322182] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 212.327294] ? schedule+0x108/0x460 [ 212.330930] ? trace_hardirqs_off+0xb8/0x310 [ 212.335340] ? smpboot_thread_fn+0x68b/0xa00 [ 212.339753] ? trace_hardirqs_on+0x310/0x310 [ 212.344162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.349700] ? check_preemption_disabled+0x48/0x200 [ 212.354719] ? takeover_tasklets+0xa90/0xa90 [ 212.359133] run_ksoftirqd+0x94/0x100 [ 212.362932] smpboot_thread_fn+0x68b/0xa00 [ 212.367163] ? sort_range+0x30/0x30 [ 212.370787] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.375896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.381444] ? __kthread_parkme+0xfb/0x1a0 [ 212.385680] kthread+0x35a/0x420 [ 212.389040] ? sort_range+0x30/0x30 [ 212.392664] ? kthread_bind+0x40/0x40 [ 212.396461] ret_from_fork+0x3a/0x50 [ 212.400178] warn_alloc_show_mem: 1 callbacks suppressed [ 212.400191] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 212.400193] Mem-Info: [ 212.400223] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 212.400223] active_file:16 inactive_file:13 isolated_file:0 [ 212.400223] unevictable:0 dirty:0 writeback:0 unstable:0 [ 212.400223] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 212.400223] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 212.400223] free:13630 free_pcp:242 free_cma:0 [ 212.405572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.412760] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 212.415159] Call Trace: [ 212.448036] Node 0 [ 212.457410] [ 212.484931] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 212.487503] dump_stack+0x1c4/0x2b4 [ 212.489710] lowmem_reserve[]: [ 212.491869] ? dump_stack_print_info.cold.2+0x52/0x52 [ 212.517353] 0 [ 212.520984] warn_alloc.cold.119+0xb7/0x1bd [ 212.524058] 2819 [ 212.529241] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 212.531024] 6323 [ 212.535350] ? lock_downgrade+0x900/0x900 [ 212.537381] 6323 [ 212.542244] ? trace_hardirqs_off+0xb8/0x310 [ 212.548459] ? trace_hardirqs_off+0xb8/0x310 [ 212.550501] Node 0 [ 212.554909] __alloc_pages_slowpath+0x2667/0x2d80 [ 212.559321] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 212.561541] ? warn_alloc+0x120/0x120 [ 212.566342] lowmem_reserve[]: 0 [ 212.593350] ? trace_hardirqs_on+0x310/0x310 [ 212.597124] 0 [ 212.600399] ? warn_alloc+0x120/0x120 [ 212.604782] 3503 [ 212.606580] ? warn_alloc+0x120/0x120 [ 212.610350] 3503 [ 212.612423] ? ktime_get+0x2e1/0x440 [ 212.616195] Node 0 [ 212.618254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.621978] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 212.624189] ? check_preemption_disabled+0x48/0x200 [ 212.629696] lowmem_reserve[]: [ 212.657983] ? kasan_check_read+0x11/0x20 [ 212.662977] 0 0 [ 212.666091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.670214] 0 [ 212.672233] ? should_fail+0x22d/0xd01 [ 212.677747] 0 [ 212.679547] ? rcu_bh_qs+0xc0/0xc0 [ 212.685230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.688747] Node 0 [ 212.693846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.693855] DMA: [ 212.696088] ? should_fail+0x22d/0xd01 [ 212.701601] 1*4kB [ 212.703657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.707519] (U) [ 212.709664] ? should_fail+0x22d/0xd01 [ 212.714749] 0*8kB [ 212.716734] ? rcu_idle_enter+0x4b0/0x4b0 [ 212.720605] 0*16kB [ 212.722753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.726874] 1*32kB [ 212.729111] ? mark_held_locks+0x130/0x130 [ 212.734192] (U) [ 212.736430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.740639] 2*64kB [ 212.742633] ? mark_held_locks+0x130/0x130 [ 212.748154] (U) [ 212.750389] ? rcu_irq_exit+0xce/0x100 [ 212.754771] 1*128kB [ 212.756746] ? irq_exit+0xbd/0x1c0 [ 212.760608] (U) [ 212.762930] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 212.766449] 1*256kB [ 212.768424] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.773418] (U) [ 212.775748] ? smp_call_function_single_interrupt+0x650/0x650 [ 212.780128] 0*512kB [ 212.782104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.787963] 1*1024kB [ 212.790284] ? ret_from_intr+0xb/0x1e [ 212.795792] (U) [ 212.798198] ? retint_kernel+0x2d/0x2d [ 212.801973] 1*2048kB [ 212.803948] ? trace_hardirqs_on_caller+0xc0/0x310 [ 212.807809] (M) [ 212.810225] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 212.815130] 3*4096kB [ 212.817102] ? trace_hardirqs_off+0x310/0x310 [ 212.821845] (M) [ 212.824247] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.828712] = 15908kB [ 212.828721] Node 0 [ 212.830711] __alloc_pages_nodemask+0xa80/0xde0 [ 212.835784] DMA32: [ 212.838191] ? should_fail+0x22d/0xd01 [ 212.840404] 4*4kB [ 212.845079] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.847289] (M) [ 212.851181] ? ____cache_alloc_node+0x1c7/0x1e0 [ 212.853299] 0*8kB [ 212.858307] ? lock_downgrade+0x900/0x900 [ 212.860260] 2*16kB [ 212.864921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.867042] (M) [ 212.871187] cache_grow_begin+0x91/0x8c0 [ 212.873403] 2*32kB [ 212.878932] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.880878] (M) 5*64kB [ 212.884943] fallback_alloc+0x203/0x2e0 [ 212.887155] (UM) [ 212.891572] ____cache_alloc_node+0x1c7/0x1e0 [ 212.894136] 3*128kB [ 212.898109] kmem_cache_alloc_node+0xe3/0x730 [ 212.900145] (M) [ 212.904635] ? ipv6_get_ifaddr+0x42e/0x620 [ 212.906932] 4*256kB [ 212.911432] __alloc_skb+0x119/0x770 [ 212.913385] (UM) [ 212.917613] ? skb_scrub_packet+0x490/0x490 [ 212.919918] 3*512kB [ 212.923630] ? lock_downgrade+0x900/0x900 [ 212.925672] (M) [ 212.929993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.932292] 3*1024kB [ 212.936433] ? refcount_sub_and_test_checked+0x203/0x310 [ 212.938385] (UM) [ 212.943916] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 212.946304] 1*2048kB [ 212.951747] ? addrconf_rs_timer+0x690/0x690 [ 212.953803] (M) 4*4096kB [ 212.959272] ndisc_alloc_skb+0x144/0x340 [ 212.961654] (M) [ 212.966061] ndisc_send_rs+0x331/0x6e0 [ 212.968802] = 24880kB [ 212.972868] addrconf_rs_timer+0x314/0x690 [ 212.974818] Node 0 [ 212.978715] ? can_stat_update+0x59a/0xa60 [ 212.981117] Normal: [ 212.985352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.987563] 719*4kB [ 212.991792] call_timer_fn+0x272/0x920 [ 212.994087] (ME) [ 212.998319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.000616] 385*8kB [ 213.004494] ? process_timeout+0x40/0x40 [ 213.006532] (UME) [ 213.010762] ? trace_hardirqs_off+0xb8/0x310 [ 213.013063] 182*16kB [ 213.017123] ? kasan_check_read+0x11/0x20 [ 213.019250] (ME) [ 213.023657] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.026046] 99*32kB [ 213.030187] ? trace_hardirqs_on+0x310/0x310 [ 213.032227] (UME) [ 213.036630] ? __run_timers+0x7da/0xc70 [ 213.038934] 27*64kB [ 213.043350] ? lock_downgrade+0x900/0x900 [ 213.045469] (UM) [ 213.049438] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 213.051736] 0*128kB [ 213.055876] ? trace_hardirqs_on+0xbd/0x310 [ 213.057915] 0*256kB [ 213.063011] ? kasan_check_read+0x11/0x20 [ 213.065316] 0*512kB [ 213.069638] ? __run_timers+0x7da/0xc70 [ 213.071937] 0*1024kB [ 213.076080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.078379] 0*2048kB [ 213.082352] ? kasan_check_write+0x14/0x20 [ 213.084738] 0*4096kB [ 213.090180] ? do_raw_spin_lock+0xc1/0x200 [ 213.092564] = 13764kB [ 213.096796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.099192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.103418] __run_timers+0x7e5/0xc70 [ 213.105811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.110045] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.118860] 148 total pagecache pages [ 213.122658] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.131207] 0 pages in swap cache [ 213.136566] ? rcu_bh_qs+0xc0/0xc0 [ 213.140354] Swap cache stats: add 0, delete 0, find 0/0 [ 213.145625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.149052] Free swap = 0kB [ 213.152588] ? check_preemption_disabled+0x48/0x200 [ 213.157925] Total swap = 0kB [ 213.163456] ? rcu_nmi_exit+0xdb/0x280 [ 213.166451] 1965979 pages RAM [ 213.171462] ? ret_from_intr+0xb/0x1e [ 213.174452] 0 pages HighMem/MovableOnly [ 213.174461] 342307 pages reserved [ 213.178348] ? retint_kernel+0x2d/0x2d [ 213.181423] 0 pages cma reserved [ 213.185221] ? trace_hardirqs_on_caller+0xc0/0x310 [ 213.189268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.192649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.196553] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.199884] ? trace_hardirqs_off+0x310/0x310 [ 213.204787] ksoftirqd/0 cpuset= [ 213.211274] ? check_preemption_disabled+0x48/0x200 [ 213.216002] / [ 213.226308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.230779] mems_allowed=0 [ 213.234051] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.253919] ? retint_kernel+0x2d/0x2d [ 213.257822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.263394] ? check_preemption_disabled+0x48/0x200 [ 213.268419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.273954] run_timer_softirq+0x52/0xb0 [ 213.278013] ? __this_cpu_preempt_check+0x1c/0x1f [ 213.282859] __do_softirq+0x30b/0xad8 [ 213.286677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 213.291777] ? pvclock_read_flags+0x160/0x160 [ 213.296268] ? lapic_next_event+0x5a/0x90 [ 213.300416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.305952] ? clockevents_program_event+0x140/0x370 [ 213.311058] ? kvm_clock_read+0x18/0x30 [ 213.315033] ? kvm_sched_clock_read+0x9/0x20 [ 213.319447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.324982] ? check_preemption_disabled+0x48/0x200 [ 213.330005] irq_exit+0x17f/0x1c0 [ 213.333460] smp_apic_timer_interrupt+0x1cb/0x760 [ 213.338301] ? smp_reschedule_interrupt+0x109/0x650 [ 213.343402] ? smp_call_function_single_interrupt+0x650/0x650 [ 213.349282] ? interrupt_entry+0xb5/0xf0 [ 213.353351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 213.359240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 213.364257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.369100] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.374112] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.379126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.384664] ? check_preemption_disabled+0x48/0x200 [ 213.389676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.395232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.400077] apic_timer_interrupt+0xf/0x20 [ 213.404487] [ 213.406727] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 213.411653] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 213.430562] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 213.438267] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 213.445531] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 213.452795] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 213.460066] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 213.467328] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 213.474612] ? trace_hardirqs_on+0xb4/0x310 [ 213.478948] skb_clone+0x1bb/0x500 [ 213.482515] ? finish_task_switch+0x2f5/0x900 [ 213.487012] ? skb_split+0x11e0/0x11e0 [ 213.490899] ? preempt_notifier_register+0x200/0x200 [ 213.495999] ? __switch_to_asm+0x34/0x70 [ 213.500055] ? __switch_to_asm+0x34/0x70 [ 213.504112] ? __switch_to_asm+0x40/0x70 [ 213.508172] ? __switch_to_asm+0x34/0x70 [ 213.512760] ? __switch_to_asm+0x40/0x70 [ 213.516819] ? __switch_to_asm+0x34/0x70 [ 213.520891] ? __switch_to_asm+0x40/0x70 [ 213.524954] ? __switch_to_asm+0x34/0x70 [ 213.529013] ? __switch_to_asm+0x34/0x70 [ 213.533067] ? __switch_to_asm+0x40/0x70 [ 213.537126] ? __switch_to_asm+0x34/0x70 [ 213.541190] bpf_clone_redirect+0xb9/0x490 [ 213.545423] ? __schedule+0x874/0x1ed0 [ 213.549315] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 213.554335] ? __sched_text_start+0x8/0x8 [ 213.558489] ? retint_kernel+0x2d/0x2d [ 213.562372] ? retint_kernel+0x2d/0x2d [ 213.566259] ? trace_hardirqs_on_caller+0xc0/0x310 [ 213.571186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.575943] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.580700] ? trace_hardirqs_off+0x310/0x310 [ 213.585205] ? lock_acquire+0x1ed/0x520 [ 213.589174] ? bpf_test_run+0x32e/0x5a0 [ 213.593149] ? lock_release+0x970/0x970 [ 213.597124] ? preempt_schedule+0x4d/0x60 [ 213.601272] ? preempt_schedule_common+0x1f/0xd0 [ 213.606032] ? preempt_schedule+0x4d/0x60 [ 213.610180] ? ___preempt_schedule+0x16/0x18 [ 213.614595] ? bpf_test_run+0x1c0/0x5a0 [ 213.618577] ? netlink_diag_dump+0x2a0/0x2a0 [ 213.622985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.628521] ? bpf_test_init.isra.9+0x70/0x100 [ 213.633101] ? bpf_prog_test_run_skb+0x634/0xb40 [ 213.637869] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.642710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 213.648249] ? fput+0x130/0x1a0 [ 213.651539] ? __bpf_prog_get+0x9b/0x290 [ 213.655606] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.660449] ? bpf_prog_test_run+0x130/0x1a0 [ 213.664869] ? __x64_sys_bpf+0x3d8/0x510 [ 213.668932] ? bpf_prog_get+0x20/0x20 [ 213.672750] ? do_syscall_64+0x1b9/0x820 [ 213.676811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 213.682187] ? syscall_return_slowpath+0x5e0/0x5e0 [ 213.687113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.691958] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.696980] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 213.702003] ? prepare_exit_to_usermode+0x291/0x3b0 [ 213.707024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.711875] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.717274] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 213.717348] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.724053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.724059] Call Trace: [ 213.724084] dump_stack+0x1c4/0x2b4 [ 213.724100] ? dump_stack_print_info.cold.2+0x52/0x52 [ 213.724120] warn_alloc.cold.119+0xb7/0x1bd [ 213.730714] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.739996] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 213.742565] syz-executor0 cpuset= [ 213.746205] ? lock_downgrade+0x900/0x900 [ 213.751374] syz0 [ 213.756315] ? trace_hardirqs_off+0xb8/0x310 [ 213.766792] mems_allowed=0 [ 213.771644] ? trace_hardirqs_off+0xb8/0x310 [ 213.792910] __alloc_pages_slowpath+0x2667/0x2d80 [ 213.797783] ? warn_alloc+0x120/0x120 [ 213.801605] ? warn_alloc+0x120/0x120 [ 213.805436] ? cpuacct_charge+0x265/0x440 [ 213.809594] ? warn_alloc+0x120/0x120 [ 213.813409] ? mark_held_locks+0x130/0x130 [ 213.817658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.823210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.828806] ? should_fail+0x22d/0xd01 [ 213.832739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.837861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.843413] ? should_fail+0x22d/0xd01 [ 213.847317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.852464] ? should_fail+0x22d/0xd01 [ 213.856388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.861504] ? mark_held_locks+0x130/0x130 [ 213.865747] ? mark_held_locks+0x130/0x130 [ 213.869993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.875588] ? trace_hardirqs_off+0xb8/0x310 [ 213.880023] ? kasan_check_read+0x11/0x20 [ 213.884174] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.888591] ? trace_hardirqs_on+0x310/0x310 [ 213.893005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.898548] ? wq_watchdog_touch+0x9c/0xfe [ 213.902788] ? io_serial_in+0x11/0x90 [ 213.906647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.912199] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 213.917319] __alloc_pages_nodemask+0xa80/0xde0 [ 213.921995] ? should_fail+0x22d/0xd01 [ 213.925897] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 213.930938] ? ____cache_alloc_node+0x1c7/0x1e0 [ 213.935615] ? lock_downgrade+0x900/0x900 [ 213.939802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.945413] cache_grow_begin+0x91/0x8c0 [ 213.949515] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.953935] fallback_alloc+0x203/0x2e0 [ 213.957917] ____cache_alloc_node+0x1c7/0x1e0 [ 213.962425] kmem_cache_alloc_node+0xe3/0x730 [ 213.966928] ? ipv6_get_ifaddr+0x42e/0x620 [ 213.971174] __alloc_skb+0x119/0x770 [ 213.974893] ? skb_scrub_packet+0x490/0x490 [ 213.979271] ? lock_downgrade+0x900/0x900 [ 213.983494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.989110] ? refcount_sub_and_test_checked+0x203/0x310 [ 213.994595] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 214.000055] ? addrconf_rs_timer+0x690/0x690 [ 214.004523] ndisc_alloc_skb+0x144/0x340 [ 214.008649] ndisc_send_rs+0x331/0x6e0 [ 214.012571] addrconf_rs_timer+0x314/0x690 [ 214.016809] ? lock_release+0x970/0x970 [ 214.020806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.026130] call_timer_fn+0x272/0x920 [ 214.030067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.034385] ? process_timeout+0x40/0x40 [ 214.038460] ? kasan_check_read+0x11/0x20 [ 214.042656] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.047098] ? trace_hardirqs_on+0x310/0x310 [ 214.051552] ? __run_timers+0x7da/0xc70 [ 214.055590] ? lock_downgrade+0x900/0x900 [ 214.059800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 214.064997] ? trace_hardirqs_on+0xbd/0x310 [ 214.069357] ? kasan_check_read+0x11/0x20 [ 214.073561] ? __run_timers+0x7da/0xc70 [ 214.077589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.083091] ? kasan_check_write+0x14/0x20 [ 214.087354] ? do_raw_spin_lock+0xc1/0x200 [ 214.091629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.095930] __run_timers+0x7e5/0xc70 [ 214.099817] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 214.105263] ? lock_downgrade+0x900/0x900 [ 214.109449] ? finish_task_switch+0x1b5/0x900 [ 214.113947] ? trace_hardirqs_on+0xbd/0x310 [ 214.118263] ? kasan_check_read+0x11/0x20 [ 214.122410] ? finish_task_switch+0x1f5/0x900 [ 214.126904] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.132357] ? compat_start_thread+0x80/0x80 [ 214.136775] ? pvclock_read_flags+0x160/0x160 [ 214.141265] ? __switch_to_asm+0x34/0x70 [ 214.145324] ? __switch_to_asm+0x34/0x70 [ 214.149380] ? __switch_to_asm+0x40/0x70 [ 214.153446] ? __switch_to_asm+0x40/0x70 [ 214.157506] ? __switch_to_asm+0x34/0x70 [ 214.161565] ? __switch_to_asm+0x40/0x70 [ 214.165659] ? trace_hardirqs_on+0xbd/0x310 [ 214.169985] ? kvm_sched_clock_read+0x9/0x20 [ 214.174392] ? run_ksoftirqd+0x94/0x100 [ 214.178368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.183910] ? check_preemption_disabled+0x48/0x200 [ 214.188925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.194471] run_timer_softirq+0x52/0xb0 [ 214.198538] ? __this_cpu_preempt_check+0x1c/0x1f [ 214.203396] __do_softirq+0x30b/0xad8 [ 214.207203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 214.212308] ? schedule+0x108/0x460 [ 214.215951] ? trace_hardirqs_off+0xb8/0x310 [ 214.220360] ? smpboot_thread_fn+0x68b/0xa00 [ 214.224769] ? trace_hardirqs_on+0x310/0x310 [ 214.229176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.234715] ? check_preemption_disabled+0x48/0x200 [ 214.239731] ? takeover_tasklets+0xa90/0xa90 [ 214.244143] run_ksoftirqd+0x94/0x100 [ 214.247950] smpboot_thread_fn+0x68b/0xa00 [ 214.252187] ? sort_range+0x30/0x30 [ 214.255813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 214.260931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.266466] ? __kthread_parkme+0xfb/0x1a0 [ 214.270705] kthread+0x35a/0x420 [ 214.274069] ? sort_range+0x30/0x30 [ 214.277690] ? kthread_bind+0x40/0x40 [ 214.281512] ret_from_fork+0x3a/0x50 [ 214.285233] warn_alloc_show_mem: 1 callbacks suppressed [ 214.285246] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 214.285248] Mem-Info: [ 214.285277] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 214.285277] active_file:16 inactive_file:13 isolated_file:0 [ 214.285277] unevictable:0 dirty:0 writeback:0 unstable:0 [ 214.285277] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 214.285277] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 214.285277] free:13630 free_pcp:242 free_cma:0 [ 214.290626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.297819] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 214.300231] Call Trace: [ 214.333109] Node 0 [ 214.342474] [ 214.369996] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 214.372571] dump_stack+0x1c4/0x2b4 [ 214.374783] lowmem_reserve[]: [ 214.376943] ? dump_stack_print_info.cold.2+0x52/0x52 [ 214.402428] 0 2819 [ 214.406468] warn_alloc.cold.119+0xb7/0x1bd [ 214.409553] 6323 [ 214.414756] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 214.416981] 6323 [ 214.421303] ? lock_downgrade+0x900/0x900 [ 214.428187] ? trace_hardirqs_off+0xb8/0x310 [ 214.430225] Node 0 [ 214.434376] ? trace_hardirqs_off+0xb8/0x310 [ 214.438786] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 214.440996] __alloc_pages_slowpath+0x2667/0x2d80 [ 214.445380] lowmem_reserve[]: [ 214.472374] ? warn_alloc+0x120/0x120 [ 214.477178] 0 [ 214.480283] ? trace_hardirqs_on+0x310/0x310 [ 214.484063] 0 [ 214.485863] ? warn_alloc+0x120/0x120 [ 214.490246] 3503 [ 214.492046] ? warn_alloc+0x120/0x120 [ 214.495900] 3503 [ 214.497972] ? ktime_get+0x2e1/0x440 [ 214.501747] Node 0 [ 214.503808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.507527] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 214.509739] ? check_preemption_disabled+0x48/0x200 [ 214.515253] lowmem_reserve[]: [ 214.543533] ? kasan_check_read+0x11/0x20 [ 214.548530] 0 [ 214.551637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.555757] 0 [ 214.557555] ? should_fail+0x22d/0xd01 [ 214.563067] 0 [ 214.564870] ? rcu_bh_qs+0xc0/0xc0 [ 214.568734] 0 [ 214.570535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.575869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.580947] Node 0 [ 214.586476] ? should_fail+0x22d/0xd01 [ 214.586479] DMA: 1*4kB [ 214.588720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.592582] (U) [ 214.595161] ? should_fail+0x22d/0xd01 [ 214.600243] 0*8kB [ 214.602219] ? rcu_idle_enter+0x4b0/0x4b0 [ 214.606079] 0*16kB [ 214.608224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.612342] 1*32kB (U) [ 214.614589] ? mark_held_locks+0x130/0x130 [ 214.619667] 2*64kB [ 214.622253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.626459] (U) [ 214.628693] ? mark_held_locks+0x130/0x130 [ 214.634209] 1*128kB [ 214.636182] ? rcu_irq_exit+0xce/0x100 [ 214.640414] (U) [ 214.642738] ? irq_exit+0xbd/0x1c0 [ 214.646602] 1*256kB [ 214.648577] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 214.652089] (U) [ 214.654415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.659404] 0*512kB [ 214.661382] ? smp_call_function_single_interrupt+0x650/0x650 [ 214.665764] 1*1024kB [ 214.668350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.674205] (U) [ 214.676641] ? ret_from_intr+0xb/0x1e [ 214.682175] 1*2048kB [ 214.684146] ? retint_kernel+0x2d/0x2d [ 214.687928] (M) [ 214.690348] ? trace_hardirqs_on_caller+0xc0/0x310 [ 214.694204] 3*4096kB [ 214.696182] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 214.701082] (M) [ 214.703495] ? trace_hardirqs_off+0x310/0x310 [ 214.708225] = 15908kB [ 214.710196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 214.714668] Node 0 [ 214.717081] __alloc_pages_nodemask+0xa80/0xde0 [ 214.722156] DMA32: [ 214.724391] ? should_fail+0x22d/0xd01 [ 214.729035] 4*4kB [ 214.731271] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 214.735134] (M) [ 214.737292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 214.742290] 0*8kB [ 214.744263] ? lock_downgrade+0x900/0x900 [ 214.748926] 2*16kB (M) [ 214.751088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.755211] 2*32kB [ 214.757791] cache_grow_begin+0x91/0x8c0 [ 214.763303] (M) [ 214.765541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.769580] 5*64kB [ 214.771555] fallback_alloc+0x203/0x2e0 [ 214.775939] (UM) [ 214.778174] ____cache_alloc_node+0x1c7/0x1e0 [ 214.782129] 3*128kB [ 214.784189] kmem_cache_alloc_node+0xe3/0x730 [ 214.788662] (M) [ 214.790985] ? ipv6_get_ifaddr+0x42e/0x620 [ 214.795453] 4*256kB [ 214.797458] __alloc_skb+0x119/0x770 [ 214.801671] (UM) [ 214.803994] ? skb_scrub_packet+0x490/0x490 [ 214.807686] 3*512kB [ 214.809752] ? lock_downgrade+0x900/0x900 [ 214.814059] (M) [ 214.816381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.820504] 3*1024kB [ 214.822480] ? refcount_sub_and_test_checked+0x203/0x310 [ 214.827989] (UM) [ 214.830398] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 214.835836] 1*2048kB [ 214.837903] ? addrconf_rs_timer+0x690/0x690 [ 214.843326] (M) [ 214.845768] ndisc_alloc_skb+0x144/0x340 [ 214.850150] 4*4096kB [ 214.852126] ndisc_send_rs+0x331/0x6e0 [ 214.856161] (M) [ 214.858573] addrconf_rs_timer+0x314/0x690 [ 214.862436] = 24880kB [ 214.864410] ? can_stat_update+0x59a/0xa60 [ 214.868622] Node 0 [ 214.871034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.875248] Normal: [ 214.877489] call_timer_fn+0x272/0x920 [ 214.881697] 719*4kB [ 214.884016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.887884] (ME) [ 214.890208] ? process_timeout+0x40/0x40 [ 214.894424] 385*8kB [ 214.896485] ? trace_hardirqs_off+0xb8/0x310 [ 214.900521] (UME) [ 214.902855] ? kasan_check_read+0x11/0x20 [ 214.907243] 182*16kB [ 214.909393] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.913512] (ME) [ 214.915921] ? trace_hardirqs_on+0x310/0x310 [ 214.920306] 99*32kB [ 214.922368] ? __run_timers+0x7da/0xc70 [ 214.926755] (UME) [ 214.929074] ? lock_downgrade+0x900/0x900 [ 214.933028] 27*64kB [ 214.935177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 214.939298] (UM) [ 214.941621] ? trace_hardirqs_on+0xbd/0x310 [ 214.946703] 0*128kB [ 214.948764] ? kasan_check_read+0x11/0x20 [ 214.953061] 0*256kB 0*512kB [ 214.955395] ? __run_timers+0x7da/0xc70 [ 214.959520] 0*1024kB [ 214.962559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.966509] 0*2048kB [ 214.968919] ? kasan_check_write+0x14/0x20 [ 214.974346] 0*4096kB = 13764kB [ 214.976766] ? do_raw_spin_lock+0xc1/0x200 [ 214.980980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 214.984164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.988383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 214.997214] __run_timers+0x7e5/0xc70 [ 215.001423] 148 total pagecache pages [ 215.009998] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 215.013775] 0 pages in swap cache [ 215.017571] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.022915] Swap cache stats: add 0, delete 0, find 0/0 [ 215.026364] ? rcu_bh_qs+0xc0/0xc0 [ 215.031620] Free swap = 0kB [ 215.036980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.040498] Total swap = 0kB [ 215.043520] ? check_preemption_disabled+0x48/0x200 [ 215.049033] 1965979 pages RAM [ 215.052049] ? rcu_nmi_exit+0xdb/0x280 [ 215.057037] 0 pages HighMem/MovableOnly [ 215.057047] 342307 pages reserved [ 215.060159] ? ret_from_intr+0xb/0x1e [ 215.064028] 0 pages cma reserved [ 215.064091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 215.068011] ? retint_kernel+0x2d/0x2d [ 215.071527] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.075246] ? trace_hardirqs_on_caller+0xc0/0x310 [ 215.078596] ksoftirqd/0 cpuset= [ 215.085099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.088961] / [ 215.099272] ? trace_hardirqs_off+0x310/0x310 [ 215.104182] mems_allowed=0 [ 215.107463] ? check_preemption_disabled+0x48/0x200 [ 215.126303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.131856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.136619] ? retint_kernel+0x2d/0x2d [ 215.140510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.146054] ? check_preemption_disabled+0x48/0x200 [ 215.151071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.156612] run_timer_softirq+0x52/0xb0 [ 215.160680] ? __this_cpu_preempt_check+0x1c/0x1f [ 215.165523] __do_softirq+0x30b/0xad8 [ 215.169329] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 215.174442] ? pvclock_read_flags+0x160/0x160 [ 215.179021] ? lapic_next_event+0x5a/0x90 [ 215.183171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.188709] ? clockevents_program_event+0x140/0x370 [ 215.193814] ? kvm_clock_read+0x18/0x30 [ 215.197798] ? kvm_sched_clock_read+0x9/0x20 [ 215.202247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.207787] ? check_preemption_disabled+0x48/0x200 [ 215.212813] irq_exit+0x17f/0x1c0 [ 215.216285] smp_apic_timer_interrupt+0x1cb/0x760 [ 215.221131] ? smp_reschedule_interrupt+0x109/0x650 [ 215.226150] ? smp_call_function_single_interrupt+0x650/0x650 [ 215.232031] ? interrupt_entry+0xb5/0xf0 [ 215.236095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 215.241109] ? trace_hardirqs_off_caller+0xbb/0x310 [ 215.246125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.250968] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.255983] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.261008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.266547] ? check_preemption_disabled+0x48/0x200 [ 215.271566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.277109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.281960] apic_timer_interrupt+0xf/0x20 [ 215.286188] [ 215.288429] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 215.293362] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 215.312260] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 215.319976] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 215.327240] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 215.334505] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 215.341769] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 215.349040] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 215.356326] ? trace_hardirqs_on+0xb4/0x310 [ 215.360666] skb_clone+0x1bb/0x500 [ 215.364210] ? finish_task_switch+0x2f5/0x900 [ 215.368702] ? skb_split+0x11e0/0x11e0 [ 215.372591] ? preempt_notifier_register+0x200/0x200 [ 215.377693] ? __switch_to_asm+0x34/0x70 [ 215.381750] ? __switch_to_asm+0x34/0x70 [ 215.385806] ? __switch_to_asm+0x40/0x70 [ 215.389872] ? __switch_to_asm+0x34/0x70 [ 215.393928] ? __switch_to_asm+0x40/0x70 [ 215.397985] ? __switch_to_asm+0x34/0x70 [ 215.402213] ? __switch_to_asm+0x40/0x70 [ 215.406274] ? __switch_to_asm+0x34/0x70 [ 215.410344] ? __switch_to_asm+0x34/0x70 [ 215.414403] ? __switch_to_asm+0x40/0x70 [ 215.418459] ? __switch_to_asm+0x34/0x70 [ 215.422521] bpf_clone_redirect+0xb9/0x490 [ 215.426756] ? __schedule+0x874/0x1ed0 [ 215.430647] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 215.435688] ? __sched_text_start+0x8/0x8 [ 215.439839] ? retint_kernel+0x2d/0x2d [ 215.443731] ? retint_kernel+0x2d/0x2d [ 215.447621] ? trace_hardirqs_on_caller+0xc0/0x310 [ 215.452549] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.457302] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.462068] ? trace_hardirqs_off+0x310/0x310 [ 215.466584] ? lock_acquire+0x1ed/0x520 [ 215.470559] ? bpf_test_run+0x32e/0x5a0 [ 215.474533] ? lock_release+0x970/0x970 [ 215.478507] ? preempt_schedule+0x4d/0x60 [ 215.482656] ? preempt_schedule_common+0x1f/0xd0 [ 215.487445] ? preempt_schedule+0x4d/0x60 [ 215.491604] ? ___preempt_schedule+0x16/0x18 [ 215.496013] ? bpf_test_run+0x1c0/0x5a0 [ 215.499999] ? netlink_diag_dump+0x2a0/0x2a0 [ 215.504410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.510456] ? bpf_test_init.isra.9+0x70/0x100 [ 215.515036] ? bpf_prog_test_run_skb+0x634/0xb40 [ 215.519794] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.524646] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.530181] ? fput+0x130/0x1a0 [ 215.533461] ? __bpf_prog_get+0x9b/0x290 [ 215.537519] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.542357] ? bpf_prog_test_run+0x130/0x1a0 [ 215.546767] ? __x64_sys_bpf+0x3d8/0x510 [ 215.550833] ? bpf_prog_get+0x20/0x20 [ 215.554645] ? do_syscall_64+0x1b9/0x820 [ 215.558707] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 215.564073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 215.569003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.573853] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.578873] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 215.583896] ? prepare_exit_to_usermode+0x291/0x3b0 [ 215.588917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.593766] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.599142] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 215.599194] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 215.605914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.612462] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.621730] Call Trace: [ 215.632202] syz-executor0 cpuset=syz0 [ 215.634783] dump_stack+0x1c4/0x2b4 [ 215.634814] ? dump_stack_print_info.cold.2+0x52/0x52 [ 215.638618] mems_allowed=0 [ 215.642240] warn_alloc.cold.119+0xb7/0x1bd [ 215.654628] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.659475] ? lock_downgrade+0x900/0x900 [ 215.663628] ? trace_hardirqs_off+0xb8/0x310 [ 215.668037] ? trace_hardirqs_off+0xb8/0x310 [ 215.672450] __alloc_pages_slowpath+0x2667/0x2d80 [ 215.677307] ? warn_alloc+0x120/0x120 [ 215.681108] ? warn_alloc+0x120/0x120 [ 215.684908] ? cpuacct_charge+0x265/0x440 [ 215.689051] ? warn_alloc+0x120/0x120 [ 215.692862] ? mark_held_locks+0x130/0x130 [ 215.697110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.702648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.708206] ? should_fail+0x22d/0xd01 [ 215.712096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.717199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.722734] ? should_fail+0x22d/0xd01 [ 215.726621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.731725] ? should_fail+0x22d/0xd01 [ 215.735615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.740717] ? mark_held_locks+0x130/0x130 [ 215.744957] ? mark_held_locks+0x130/0x130 [ 215.749190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.754727] ? trace_hardirqs_off+0xb8/0x310 [ 215.759130] ? kasan_check_read+0x11/0x20 [ 215.763276] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.767680] ? trace_hardirqs_on+0x310/0x310 [ 215.772083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.777617] ? wq_watchdog_touch+0x9c/0xfe [ 215.781864] ? io_serial_in+0x11/0x90 [ 215.785662] ? retint_kernel+0x2d/0x2d [ 215.789548] ? trace_hardirqs_on_caller+0xc0/0x310 [ 215.794476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.799233] ? trace_hardirqs_off+0x310/0x310 [ 215.803727] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 215.808854] __alloc_pages_nodemask+0xa80/0xde0 [ 215.813530] ? should_fail+0x22d/0xd01 [ 215.817423] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 215.822452] ? ____cache_alloc_node+0x1c7/0x1e0 [ 215.827118] ? lock_downgrade+0x900/0x900 [ 215.831269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.836860] cache_grow_begin+0x91/0x8c0 [ 215.840924] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.845333] fallback_alloc+0x203/0x2e0 [ 215.849310] ____cache_alloc_node+0x1c7/0x1e0 [ 215.853808] kmem_cache_alloc_node+0xe3/0x730 [ 215.858316] ? ipv6_get_ifaddr+0x42e/0x620 [ 215.862555] __alloc_skb+0x119/0x770 [ 215.866271] ? skb_scrub_packet+0x490/0x490 [ 215.870593] ? lock_downgrade+0x900/0x900 [ 215.874745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.880280] ? refcount_sub_and_test_checked+0x203/0x310 [ 215.885732] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 215.891180] ? addrconf_rs_timer+0x690/0x690 [ 215.895592] ndisc_alloc_skb+0x144/0x340 [ 215.899653] ndisc_send_rs+0x331/0x6e0 [ 215.903543] addrconf_rs_timer+0x314/0x690 [ 215.907778] ? lock_release+0x970/0x970 [ 215.911756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.915999] call_timer_fn+0x272/0x920 [ 215.919891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.924128] ? process_timeout+0x40/0x40 [ 215.928186] ? kasan_check_read+0x11/0x20 [ 215.932330] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.936753] ? trace_hardirqs_on+0x310/0x310 [ 215.941162] ? __run_timers+0x7da/0xc70 [ 215.945137] ? lock_downgrade+0x900/0x900 [ 215.949287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 215.954388] ? trace_hardirqs_on+0xbd/0x310 [ 215.958703] ? kasan_check_read+0x11/0x20 [ 215.962859] ? __run_timers+0x7da/0xc70 [ 215.966849] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 215.972305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.977859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.982097] __run_timers+0x7e5/0xc70 [ 215.985907] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 215.991268] ? lock_downgrade+0x900/0x900 [ 215.995412] ? finish_task_switch+0x1b5/0x900 [ 215.999923] ? trace_hardirqs_on+0xbd/0x310 [ 216.004239] ? kasan_check_read+0x11/0x20 [ 216.008384] ? finish_task_switch+0x1f5/0x900 [ 216.012877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.018325] ? compat_start_thread+0x80/0x80 [ 216.022746] ? pvclock_read_flags+0x160/0x160 [ 216.027251] ? __switch_to_asm+0x34/0x70 [ 216.031320] ? __switch_to_asm+0x34/0x70 [ 216.035384] ? __switch_to_asm+0x40/0x70 [ 216.039441] ? __switch_to_asm+0x40/0x70 [ 216.043497] ? __switch_to_asm+0x34/0x70 [ 216.047553] ? __switch_to_asm+0x40/0x70 [ 216.051617] ? trace_hardirqs_on+0xbd/0x310 [ 216.055935] ? kvm_sched_clock_read+0x9/0x20 [ 216.060344] ? run_ksoftirqd+0x94/0x100 [ 216.064352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.069892] ? check_preemption_disabled+0x48/0x200 [ 216.074906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.080449] run_timer_softirq+0x52/0xb0 [ 216.084510] ? __this_cpu_preempt_check+0x1c/0x1f [ 216.089351] __do_softirq+0x30b/0xad8 [ 216.093161] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 216.098273] ? schedule+0x108/0x460 [ 216.101905] ? trace_hardirqs_off+0xb8/0x310 [ 216.106313] ? smpboot_thread_fn+0x68b/0xa00 [ 216.110722] ? trace_hardirqs_on+0x310/0x310 [ 216.115129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.120669] ? check_preemption_disabled+0x48/0x200 [ 216.125689] ? takeover_tasklets+0xa90/0xa90 [ 216.130099] run_ksoftirqd+0x94/0x100 [ 216.133901] smpboot_thread_fn+0x68b/0xa00 [ 216.138132] ? sort_range+0x30/0x30 [ 216.141761] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 216.146870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.152403] ? __kthread_parkme+0xfb/0x1a0 [ 216.156638] kthread+0x35a/0x420 [ 216.159998] ? sort_range+0x30/0x30 [ 216.163620] ? kthread_bind+0x40/0x40 [ 216.167421] ret_from_fork+0x3a/0x50 [ 216.171140] warn_alloc_show_mem: 1 callbacks suppressed [ 216.171153] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 216.171155] Mem-Info: [ 216.171198] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 216.171198] active_file:16 inactive_file:13 isolated_file:0 [ 216.171198] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.171198] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 216.171198] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 216.171198] free:13630 free_pcp:242 free_cma:0 [ 216.176541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.183733] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 216.186133] Call Trace: [ 216.218996] Node 0 [ 216.228346] [ 216.255894] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 216.258456] dump_stack+0x1c4/0x2b4 [ 216.260668] lowmem_reserve[]: [ 216.262815] ? dump_stack_print_info.cold.2+0x52/0x52 [ 216.288297] 0 [ 216.291926] warn_alloc.cold.119+0xb7/0x1bd [ 216.295007] 2819 [ 216.300194] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.301978] 6323 [ 216.306299] ? lock_downgrade+0x900/0x900 [ 216.308337] 6323 [ 216.313178] ? trace_hardirqs_off+0xb8/0x310 [ 216.319362] ? trace_hardirqs_off+0xb8/0x310 [ 216.321405] Node 0 [ 216.325806] __alloc_pages_slowpath+0x2667/0x2d80 [ 216.330212] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 216.332432] ? warn_alloc+0x120/0x120 [ 216.337240] lowmem_reserve[]: [ 216.364213] ? trace_hardirqs_on+0x310/0x310 [ 216.367987] 0 [ 216.371092] ? warn_alloc+0x120/0x120 [ 216.375479] 0 [ 216.377275] ? warn_alloc+0x120/0x120 [ 216.381051] 3503 [ 216.382851] ? ktime_get+0x2e1/0x440 [ 216.382870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.386649] 3503 [ 216.388711] ? check_preemption_disabled+0x48/0x200 [ 216.397927] ? kasan_check_read+0x11/0x20 [ 216.399968] Node 0 [ 216.404983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.409134] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 216.411366] ? should_fail+0x22d/0xd01 [ 216.416875] lowmem_reserve[]: [ 216.445211] ? rcu_bh_qs+0xc0/0xc0 [ 216.449087] 0 [ 216.452189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.455706] 0 [ 216.457507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.462582] 0 [ 216.464383] ? should_fail+0x22d/0xd01 [ 216.469897] 0 [ 216.471695] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.477354] ? should_fail+0x22d/0xd01 [ 216.482432] Node 0 DMA: [ 216.486319] ? rcu_idle_enter+0x4b0/0x4b0 [ 216.486343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.488988] 1*4kB [ 216.493302] ? mark_held_locks+0x130/0x130 [ 216.498382] (U) [ 216.500529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.504738] 0*8kB [ 216.506710] ? mark_held_locks+0x130/0x130 [ 216.512225] 0*16kB [ 216.514374] ? rcu_irq_exit+0xce/0x100 [ 216.518585] 1*32kB [ 216.520819] ? irq_exit+0xbd/0x1c0 [ 216.524692] (U) [ 216.526926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 216.530440] 2*64kB [ 216.532415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.537402] (U) [ 216.539633] ? smp_call_function_single_interrupt+0x650/0x650 [ 216.544024] 1*128kB [ 216.545996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.551859] (U) [ 216.554178] ? ret_from_intr+0xb/0x1e [ 216.559691] 1*256kB [ 216.561662] ? retint_kernel+0x2d/0x2d [ 216.565437] (U) [ 216.567757] ? trace_hardirqs_on_caller+0xc0/0x310 [ 216.571618] 0*512kB [ 216.573590] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 216.578490] 1*1024kB [ 216.580806] ? trace_hardirqs_off+0x310/0x310 [ 216.585550] (U) [ 216.587956] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 216.592424] 1*2048kB [ 216.594402] __alloc_pages_nodemask+0xa80/0xde0 [ 216.599474] (M) [ 216.601882] ? should_fail+0x22d/0xd01 [ 216.606524] 3*4096kB [ 216.608507] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.612384] (M) [ 216.614803] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.619785] = 15908kB [ 216.621759] ? lock_downgrade+0x900/0x900 [ 216.626406] Node 0 [ 216.628816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.632947] DMA32: [ 216.635183] cache_grow_begin+0x91/0x8c0 [ 216.640694] 4*4kB [ 216.642926] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.646973] (M) [ 216.649117] fallback_alloc+0x203/0x2e0 [ 216.653501] 0*8kB [ 216.655479] ____cache_alloc_node+0x1c7/0x1e0 [ 216.659432] 2*16kB [ 216.661593] kmem_cache_alloc_node+0xe3/0x730 [ 216.666065] (M) [ 216.668298] ? ipv6_get_ifaddr+0x42e/0x620 [ 216.672769] 2*32kB [ 216.674739] __alloc_skb+0x119/0x770 [ 216.678948] (M) [ 216.681182] ? skb_scrub_packet+0x490/0x490 [ 216.684871] 5*64kB [ 216.686850] ? lock_downgrade+0x900/0x900 [ 216.691151] (UM) [ 216.693387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.697519] 3*128kB [ 216.699580] ? refcount_sub_and_test_checked+0x203/0x310 [ 216.705089] (M) [ 216.707409] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 216.712845] 4*256kB [ 216.714816] ? addrconf_rs_timer+0x690/0x690 [ 216.720250] (UM) [ 216.722575] ndisc_alloc_skb+0x144/0x340 [ 216.726952] 3*512kB [ 216.729010] ndisc_send_rs+0x331/0x6e0 [ 216.733051] (M) [ 216.735380] addrconf_rs_timer+0x314/0x690 [ 216.739242] 3*1024kB [ 216.741214] ? can_stat_update+0x59a/0xa60 [ 216.745419] (UM) [ 216.747834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.752047] 1*2048kB [ 216.754111] call_timer_fn+0x272/0x920 [ 216.758316] (M) [ 216.760730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.764602] 4*4096kB [ 216.766573] ? process_timeout+0x40/0x40 [ 216.770783] (M) [ 216.773189] ? trace_hardirqs_off+0xb8/0x310 [ 216.777222] = 24880kB [ 216.779192] ? kasan_check_read+0x11/0x20 [ 216.783588] Node 0 [ 216.785994] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.790113] Normal: [ 216.792355] ? trace_hardirqs_on+0x310/0x310 [ 216.796732] 719*4kB [ 216.799054] ? __run_timers+0x7da/0xc70 [ 216.803435] (ME) [ 216.805756] ? lock_downgrade+0x900/0x900 [ 216.809709] 385*8kB [ 216.811770] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 216.815907] (UME) [ 216.818238] ? trace_hardirqs_on+0xbd/0x310 [ 216.823336] 182*16kB [ 216.825486] ? kasan_check_read+0x11/0x20 [ 216.829775] (ME) 99*32kB [ 216.832193] ? __run_timers+0x7da/0xc70 [ 216.836313] (UME) [ 216.839070] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.843018] 27*64kB [ 216.845166] ? kasan_check_write+0x14/0x20 [ 216.850593] (UM) [ 216.852923] ? do_raw_spin_lock+0xc1/0x200 [ 216.857129] 0*128kB [ 216.859192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.863398] 0*256kB [ 216.865714] __run_timers+0x7e5/0xc70 [ 216.869923] 0*512kB [ 216.872246] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 216.876018] 0*1024kB [ 216.878346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.883679] 0*2048kB [ 216.886083] ? rcu_bh_qs+0xc0/0xc0 [ 216.891338] 0*4096kB [ 216.893748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.897277] = 13764kB [ 216.899685] ? check_preemption_disabled+0x48/0x200 [ 216.905200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 216.907623] ? rcu_nmi_exit+0xdb/0x280 [ 216.912619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 216.921442] ? ret_from_intr+0xb/0x1e [ 216.925308] 148 total pagecache pages [ 216.933873] ? retint_kernel+0x2d/0x2d [ 216.937651] 0 pages in swap cache [ 216.941447] ? trace_hardirqs_on_caller+0xc0/0x310 [ 216.945312] Swap cache stats: add 0, delete 0, find 0/0 [ 216.948757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 216.953660] Free swap = 0kB [ 216.959019] ? trace_hardirqs_off+0x310/0x310 [ 216.963747] Total swap = 0kB [ 216.966763] ? check_preemption_disabled+0x48/0x200 [ 216.971230] 1965979 pages RAM [ 216.974244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.979235] 0 pages HighMem/MovableOnly [ 216.982342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 216.987855] 342307 pages reserved [ 216.991830] ? retint_kernel+0x2d/0x2d [ 216.996569] 0 pages cma reserved [ 217.000021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.003933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 217.007245] ? check_preemption_disabled+0x48/0x200 [ 217.012832] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 217.019247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.024241] ksoftirqd/0 cpuset= [ 217.034637] run_timer_softirq+0x52/0xb0 [ 217.040163] / [ 217.043440] ? __this_cpu_preempt_check+0x1c/0x1f [ 217.047477] mems_allowed=0 [ 217.049188] __do_softirq+0x30b/0xad8 [ 217.060736] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.065845] ? pvclock_read_flags+0x160/0x160 [ 217.070349] ? lapic_next_event+0x5a/0x90 [ 217.074496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.080033] ? clockevents_program_event+0x140/0x370 [ 217.085137] ? kvm_clock_read+0x18/0x30 [ 217.089113] ? kvm_sched_clock_read+0x9/0x20 [ 217.093521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.099060] ? check_preemption_disabled+0x48/0x200 [ 217.104088] irq_exit+0x17f/0x1c0 [ 217.107542] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.112389] ? smp_reschedule_interrupt+0x109/0x650 [ 217.117404] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.123292] ? interrupt_entry+0xb5/0xf0 [ 217.127360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.132377] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.137391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.142233] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.147244] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.152255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.157796] ? check_preemption_disabled+0x48/0x200 [ 217.162814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.168384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.173232] apic_timer_interrupt+0xf/0x20 [ 217.177458] [ 217.179697] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 217.184623] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 217.203529] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 217.211237] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 217.218501] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 217.225765] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 217.233034] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 217.240296] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 217.247592] ? trace_hardirqs_on+0xb4/0x310 [ 217.251926] skb_clone+0x1bb/0x500 [ 217.255468] ? finish_task_switch+0x2f5/0x900 [ 217.259965] ? skb_split+0x11e0/0x11e0 [ 217.263861] ? preempt_notifier_register+0x200/0x200 [ 217.268965] ? __switch_to_asm+0x34/0x70 [ 217.273021] ? __switch_to_asm+0x34/0x70 [ 217.277076] ? __switch_to_asm+0x40/0x70 [ 217.281130] ? __switch_to_asm+0x34/0x70 [ 217.285205] ? __switch_to_asm+0x40/0x70 [ 217.289261] ? __switch_to_asm+0x34/0x70 [ 217.293314] ? __switch_to_asm+0x40/0x70 [ 217.297374] ? __switch_to_asm+0x34/0x70 [ 217.301435] ? __switch_to_asm+0x34/0x70 [ 217.305489] ? __switch_to_asm+0x40/0x70 [ 217.309546] ? __switch_to_asm+0x34/0x70 [ 217.313611] bpf_clone_redirect+0xb9/0x490 [ 217.317851] ? __schedule+0x874/0x1ed0 [ 217.321741] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 217.326755] ? __sched_text_start+0x8/0x8 [ 217.330904] ? retint_kernel+0x2d/0x2d [ 217.334786] ? retint_kernel+0x2d/0x2d [ 217.338673] ? trace_hardirqs_on_caller+0xc0/0x310 [ 217.343599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.348357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.353110] ? trace_hardirqs_off+0x310/0x310 [ 217.357613] ? lock_acquire+0x1ed/0x520 [ 217.361589] ? bpf_test_run+0x32e/0x5a0 [ 217.365583] ? lock_release+0x970/0x970 [ 217.369553] ? preempt_schedule+0x4d/0x60 [ 217.373701] ? preempt_schedule_common+0x1f/0xd0 [ 217.378460] ? preempt_schedule+0x4d/0x60 [ 217.382604] ? ___preempt_schedule+0x16/0x18 [ 217.387014] ? bpf_test_run+0x1c0/0x5a0 [ 217.390990] ? netlink_diag_dump+0x2a0/0x2a0 [ 217.395401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.400944] ? bpf_test_init.isra.9+0x70/0x100 [ 217.405699] ? bpf_prog_test_run_skb+0x634/0xb40 [ 217.410455] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.415294] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 217.420837] ? fput+0x130/0x1a0 [ 217.424121] ? __bpf_prog_get+0x9b/0x290 [ 217.428179] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.433020] ? bpf_prog_test_run+0x130/0x1a0 [ 217.437429] ? __x64_sys_bpf+0x3d8/0x510 [ 217.441514] ? bpf_prog_get+0x20/0x20 [ 217.445324] ? do_syscall_64+0x1b9/0x820 [ 217.449387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.454758] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.459689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.464535] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.469551] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 217.474570] ? prepare_exit_to_usermode+0x291/0x3b0 [ 217.479590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.484439] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.489813] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 217.489875] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 217.496600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.503160] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 217.512643] Call Trace: [ 217.523119] syz-executor0 cpuset=syz0 [ 217.525705] dump_stack+0x1c4/0x2b4 [ 217.525724] ? dump_stack_print_info.cold.2+0x52/0x52 [ 217.529510] mems_allowed=0 [ 217.533137] warn_alloc.cold.119+0xb7/0x1bd [ 217.545541] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 217.550384] ? lock_downgrade+0x900/0x900 [ 217.554536] ? trace_hardirqs_off+0xb8/0x310 [ 217.558955] ? trace_hardirqs_off+0xb8/0x310 [ 217.563370] __alloc_pages_slowpath+0x2667/0x2d80 [ 217.568231] ? warn_alloc+0x120/0x120 [ 217.572033] ? warn_alloc+0x120/0x120 [ 217.575850] ? cpuacct_charge+0x265/0x440 [ 217.579998] ? warn_alloc+0x120/0x120 [ 217.583804] ? mark_held_locks+0x130/0x130 [ 217.588060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.593599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.599137] ? should_fail+0x22d/0xd01 [ 217.603030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.608134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.613691] ? should_fail+0x22d/0xd01 [ 217.617584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.622695] ? should_fail+0x22d/0xd01 [ 217.626587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.631695] ? mark_held_locks+0x130/0x130 [ 217.635936] ? mark_held_locks+0x130/0x130 [ 217.640172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.645731] ? trace_hardirqs_off+0xb8/0x310 [ 217.650141] ? kasan_check_read+0x11/0x20 [ 217.654291] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.658703] ? trace_hardirqs_on+0x310/0x310 [ 217.663115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.668652] ? wq_watchdog_touch+0x9c/0xfe [ 217.672929] ? io_serial_in+0x11/0x90 [ 217.676730] ? retint_kernel+0x2d/0x2d [ 217.680620] ? trace_hardirqs_on_caller+0xc0/0x310 [ 217.685550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.690306] ? trace_hardirqs_off+0x310/0x310 [ 217.694800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 217.699933] __alloc_pages_nodemask+0xa80/0xde0 [ 217.704606] ? should_fail+0x22d/0xd01 [ 217.708499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 217.713534] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.718206] ? lock_downgrade+0x900/0x900 [ 217.722361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.727914] cache_grow_begin+0x91/0x8c0 [ 217.731979] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.736414] fallback_alloc+0x203/0x2e0 [ 217.740397] ____cache_alloc_node+0x1c7/0x1e0 [ 217.744902] kmem_cache_alloc_node+0xe3/0x730 [ 217.749402] ? ipv6_get_ifaddr+0x42e/0x620 [ 217.753659] __alloc_skb+0x119/0x770 [ 217.757464] ? skb_scrub_packet+0x490/0x490 [ 217.761786] ? lock_downgrade+0x900/0x900 [ 217.765947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.771487] ? refcount_sub_and_test_checked+0x203/0x310 [ 217.776940] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 217.782395] ? addrconf_rs_timer+0x690/0x690 [ 217.786813] ndisc_alloc_skb+0x144/0x340 [ 217.790894] ndisc_send_rs+0x331/0x6e0 [ 217.794791] addrconf_rs_timer+0x314/0x690 [ 217.799033] ? lock_release+0x970/0x970 [ 217.803014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.807259] call_timer_fn+0x272/0x920 [ 217.811147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.815382] ? process_timeout+0x40/0x40 [ 217.819443] ? kasan_check_read+0x11/0x20 [ 217.823603] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.828017] ? trace_hardirqs_on+0x310/0x310 [ 217.832431] ? __run_timers+0x7da/0xc70 [ 217.836407] ? lock_downgrade+0x900/0x900 [ 217.840559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 217.845666] ? trace_hardirqs_on+0xbd/0x310 [ 217.849987] ? kasan_check_read+0x11/0x20 [ 217.854138] ? __run_timers+0x7da/0xc70 [ 217.858114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.863568] ? kasan_check_write+0x14/0x20 [ 217.867803] ? do_raw_spin_lock+0xc1/0x200 [ 217.872058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.876292] __run_timers+0x7e5/0xc70 [ 217.880103] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.885471] ? lock_downgrade+0x900/0x900 [ 217.889619] ? finish_task_switch+0x1b5/0x900 [ 217.894121] ? trace_hardirqs_on+0xbd/0x310 [ 217.898439] ? kasan_check_read+0x11/0x20 [ 217.902588] ? finish_task_switch+0x1f5/0x900 [ 217.907085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.912535] ? compat_start_thread+0x80/0x80 [ 217.916956] ? pvclock_read_flags+0x160/0x160 [ 217.921452] ? __switch_to_asm+0x34/0x70 [ 217.925510] ? __switch_to_asm+0x34/0x70 [ 217.929572] ? __switch_to_asm+0x40/0x70 [ 217.933630] ? __switch_to_asm+0x40/0x70 [ 217.937692] ? __switch_to_asm+0x34/0x70 [ 217.941751] ? __switch_to_asm+0x40/0x70 [ 217.945842] ? trace_hardirqs_on+0xbd/0x310 [ 217.950165] ? kvm_sched_clock_read+0x9/0x20 [ 217.954579] ? run_ksoftirqd+0x94/0x100 [ 217.958554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.964093] ? check_preemption_disabled+0x48/0x200 [ 217.969196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.974738] run_timer_softirq+0x52/0xb0 [ 217.978802] ? __this_cpu_preempt_check+0x1c/0x1f [ 217.983659] __do_softirq+0x30b/0xad8 [ 217.987466] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.992575] ? schedule+0x108/0x460 [ 217.996206] ? trace_hardirqs_off+0xb8/0x310 [ 218.000618] ? smpboot_thread_fn+0x68b/0xa00 [ 218.005038] ? trace_hardirqs_on+0x310/0x310 [ 218.009447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.014987] ? check_preemption_disabled+0x48/0x200 [ 218.020007] ? takeover_tasklets+0xa90/0xa90 [ 218.024422] run_ksoftirqd+0x94/0x100 [ 218.028223] smpboot_thread_fn+0x68b/0xa00 [ 218.032463] ? sort_range+0x30/0x30 [ 218.036088] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.041189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.046726] ? __kthread_parkme+0xfb/0x1a0 [ 218.050966] kthread+0x35a/0x420 [ 218.054333] ? sort_range+0x30/0x30 [ 218.057960] ? kthread_bind+0x40/0x40 [ 218.061760] ret_from_fork+0x3a/0x50 [ 218.065481] warn_alloc_show_mem: 1 callbacks suppressed [ 218.065493] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 218.065495] Mem-Info: [ 218.065526] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 218.065526] active_file:16 inactive_file:13 isolated_file:0 [ 218.065526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 218.065526] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 218.065526] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 218.065526] free:13630 free_pcp:242 free_cma:0 [ 218.070885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.078080] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 218.080529] Call Trace: [ 218.113398] Node 0 [ 218.122747] [ 218.150344] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.152921] dump_stack+0x1c4/0x2b4 [ 218.155130] lowmem_reserve[]: [ 218.157280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.182773] 0 [ 218.186405] warn_alloc.cold.119+0xb7/0x1bd [ 218.189486] 2819 [ 218.194676] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.196459] 6323 [ 218.200778] ? lock_downgrade+0x900/0x900 [ 218.202816] 6323 [ 218.207668] ? trace_hardirqs_off+0xb8/0x310 [ 218.213860] ? trace_hardirqs_off+0xb8/0x310 [ 218.215903] Node 0 [ 218.220310] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.224722] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 218.226944] ? warn_alloc+0x120/0x120 [ 218.231751] lowmem_reserve[]: [ 218.258727] ? trace_hardirqs_on+0x310/0x310 [ 218.262507] 0 [ 218.265608] ? warn_alloc+0x120/0x120 [ 218.269997] 0 [ 218.271800] ? warn_alloc+0x120/0x120 [ 218.275583] 3503 [ 218.277387] ? ktime_get+0x2e1/0x440 [ 218.281163] 3503 [ 218.283224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.289025] ? check_preemption_disabled+0x48/0x200 [ 218.289041] ? kasan_check_read+0x11/0x20 [ 218.294594] Node 0 [ 218.299613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.303766] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 218.305978] ? should_fail+0x22d/0xd01 [ 218.311491] lowmem_reserve[]: [ 218.339864] ? rcu_bh_qs+0xc0/0xc0 [ 218.343730] 0 [ 218.346843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.350368] 0 [ 218.352176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.357255] 0 [ 218.359056] ? should_fail+0x22d/0xd01 [ 218.364572] 0 [ 218.366380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.372044] ? should_fail+0x22d/0xd01 [ 218.377124] Node 0 DMA: [ 218.381007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.381026] ? mark_held_locks+0x130/0x130 [ 218.383699] 1*4kB [ 218.388801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.393030] (U) [ 218.395179] ? mark_held_locks+0x130/0x130 [ 218.400697] 0*8kB [ 218.402675] ? rcu_irq_exit+0xce/0x100 [ 218.406887] 0*16kB [ 218.409036] ? irq_exit+0xbd/0x1c0 [ 218.412900] 1*32kB [ 218.415136] ? mark_held_locks+0x130/0x130 [ 218.418674] (U) [ 218.420913] ? smp_call_function_single_interrupt+0x650/0x650 [ 218.425127] 2*64kB [ 218.427101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.432981] (U) [ 218.435220] ? ret_from_intr+0xb/0x1e [ 218.440735] 1*128kB [ 218.442711] ? retint_kernel+0x2d/0x2d [ 218.446491] (U) [ 218.448813] ? trace_hardirqs_on_caller+0xc0/0x310 [ 218.452689] 1*256kB [ 218.454669] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.459576] (U) [ 218.461900] ? trace_hardirqs_off+0x310/0x310 [ 218.466634] 0*512kB [ 218.468609] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.473083] 1*1024kB [ 218.475414] __alloc_pages_nodemask+0xa80/0xde0 [ 218.480489] (U) [ 218.482903] ? should_fail+0x22d/0xd01 [ 218.487545] 1*2048kB (M) [ 218.489531] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.493395] 3*4096kB [ 218.496157] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.501146] (M) [ 218.503558] ? lock_downgrade+0x900/0x900 [ 218.508203] = 15908kB [ 218.510179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.514305] Node 0 [ 218.516712] cache_grow_begin+0x91/0x8c0 [ 218.522224] DMA32: [ 218.524466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.528508] 4*4kB [ 218.530741] fallback_alloc+0x203/0x2e0 [ 218.535128] (M) [ 218.537281] ____cache_alloc_node+0x1c7/0x1e0 [ 218.541243] 0*8kB [ 218.543221] kmem_cache_alloc_node+0xe3/0x730 [ 218.547692] 2*16kB [ 218.549859] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.554331] (M) [ 218.556581] __alloc_skb+0x119/0x770 [ 218.560791] 2*32kB [ 218.562764] ? skb_scrub_packet+0x490/0x490 [ 218.566458] (M) [ 218.568697] ? lock_downgrade+0x900/0x900 [ 218.572995] 5*64kB [ 218.574968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.579093] (UM) [ 218.581346] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.581364] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.586900] 3*128kB [ 218.588962] ? addrconf_rs_timer+0x690/0x690 [ 218.594389] (M) [ 218.599848] ndisc_alloc_skb+0x144/0x340 [ 218.602154] 4*256kB [ 218.606558] ndisc_send_rs+0x331/0x6e0 [ 218.608515] (UM) [ 218.612573] addrconf_rs_timer+0x314/0x690 [ 218.614878] 3*512kB [ 218.618756] ? can_stat_update+0x59a/0xa60 [ 218.618779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.620863] (M) [ 218.625109] call_timer_fn+0x272/0x920 [ 218.627425] 3*1024kB [ 218.631660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.635871] (UM) [ 218.637859] ? process_timeout+0x40/0x40 [ 218.641723] 1*2048kB [ 218.644130] ? trace_hardirqs_off+0xb8/0x310 [ 218.648350] (M) [ 218.650411] ? kasan_check_read+0x11/0x20 [ 218.654457] 4*4096kB [ 218.656877] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.661270] (M) [ 218.663248] ? trace_hardirqs_on+0x310/0x310 [ 218.667373] = 24880kB [ 218.669783] ? __run_timers+0x7da/0xc70 [ 218.674174] Node 0 [ 218.676147] ? lock_downgrade+0x900/0x900 [ 218.680534] Normal: [ 218.682944] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.686900] 719*4kB [ 218.689135] ? trace_hardirqs_on+0xbd/0x310 [ 218.693260] (ME) [ 218.695583] ? kasan_check_read+0x11/0x20 [ 218.700666] 385*8kB [ 218.702990] ? __run_timers+0x7da/0xc70 [ 218.707298] (UME) [ 218.709364] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.713491] 182*16kB [ 218.715815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.719776] (ME) [ 218.721931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.727358] 99*32kB [ 218.729791] __run_timers+0x7e5/0xc70 [ 218.735304] (UME) [ 218.737371] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.741583] 27*64kB [ 218.743907] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.747679] (UM) [ 218.749835] ? rcu_bh_qs+0xc0/0xc0 [ 218.755181] 0*128kB [ 218.757502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.762759] 0*256kB [ 218.764831] ? check_preemption_disabled+0x48/0x200 [ 218.768344] 0*512kB 0*1024kB [ 218.770675] ? rcu_nmi_exit+0xdb/0x280 [ 218.776233] 0*2048kB [ 218.778554] ? ret_from_intr+0xb/0x1e [ 218.783549] 0*4096kB [ 218.786664] ? retint_kernel+0x2d/0x2d [ 218.790528] = 13764kB [ 218.792937] ? trace_hardirqs_on_caller+0xc0/0x310 [ 218.796719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 218.799131] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.803002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 218.805404] ? trace_hardirqs_off+0x310/0x310 [ 218.810312] 148 total pagecache pages [ 218.819151] ? check_preemption_disabled+0x48/0x200 [ 218.823886] 0 pages in swap cache [ 218.832459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.836938] Swap cache stats: add 0, delete 0, find 0/0 [ 218.840732] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.845724] Free swap = 0kB [ 218.849173] ? retint_kernel+0x2d/0x2d [ 218.854689] Total swap = 0kB [ 218.860051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.864782] 1965979 pages RAM [ 218.867804] ? check_preemption_disabled+0x48/0x200 [ 218.871674] 0 pages HighMem/MovableOnly [ 218.874685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.880198] 342307 pages reserved [ 218.883308] run_timer_softirq+0x52/0xb0 [ 218.888305] 0 pages cma reserved [ 218.892279] ? __this_cpu_preempt_check+0x1c/0x1f [ 218.897861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 218.901233] __do_softirq+0x30b/0xad8 [ 218.901258] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 218.905341] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.908664] ? pvclock_read_flags+0x160/0x160 [ 218.913601] ksoftirqd/0 cpuset= [ 218.920088] ? lapic_next_event+0x5a/0x90 [ 218.923870] / [ 218.928971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.939261] mems_allowed=0 [ 218.943752] ? clockevents_program_event+0x140/0x370 [ 218.966397] ? kvm_clock_read+0x18/0x30 [ 218.970371] ? kvm_sched_clock_read+0x9/0x20 [ 218.974782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.980322] ? check_preemption_disabled+0x48/0x200 [ 218.985361] irq_exit+0x17f/0x1c0 [ 218.988820] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.993676] ? smp_reschedule_interrupt+0x109/0x650 [ 218.998698] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.004581] ? interrupt_entry+0xb5/0xf0 [ 219.008644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.013661] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.018680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.023526] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.028539] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.033554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.039096] ? check_preemption_disabled+0x48/0x200 [ 219.044113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.049658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.054509] apic_timer_interrupt+0xf/0x20 [ 219.058756] [ 219.061006] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 219.065940] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 219.084848] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 219.092558] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 219.099913] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 219.107179] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 219.114446] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 219.121715] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 219.128999] ? trace_hardirqs_on+0xb4/0x310 [ 219.133343] skb_clone+0x1bb/0x500 [ 219.136890] ? finish_task_switch+0x2f5/0x900 [ 219.141384] ? skb_split+0x11e0/0x11e0 [ 219.145272] ? preempt_notifier_register+0x200/0x200 [ 219.150377] ? __switch_to_asm+0x34/0x70 [ 219.154438] ? __switch_to_asm+0x34/0x70 [ 219.158498] ? __switch_to_asm+0x40/0x70 [ 219.162555] ? __switch_to_asm+0x34/0x70 [ 219.166618] ? __switch_to_asm+0x40/0x70 [ 219.170681] ? __switch_to_asm+0x34/0x70 [ 219.174741] ? __switch_to_asm+0x40/0x70 [ 219.178799] ? __switch_to_asm+0x34/0x70 [ 219.182871] ? __switch_to_asm+0x34/0x70 [ 219.186932] ? __switch_to_asm+0x40/0x70 [ 219.190990] ? __switch_to_asm+0x34/0x70 [ 219.195058] bpf_clone_redirect+0xb9/0x490 [ 219.199298] ? __schedule+0x874/0x1ed0 [ 219.203187] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 219.208205] ? __sched_text_start+0x8/0x8 [ 219.212358] ? retint_kernel+0x2d/0x2d [ 219.216243] ? retint_kernel+0x2d/0x2d [ 219.220133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 219.225067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.229833] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.234594] ? trace_hardirqs_off+0x310/0x310 [ 219.239116] ? lock_acquire+0x1ed/0x520 [ 219.243091] ? bpf_test_run+0x32e/0x5a0 [ 219.247069] ? lock_release+0x970/0x970 [ 219.251044] ? preempt_schedule+0x4d/0x60 [ 219.255196] ? preempt_schedule_common+0x1f/0xd0 [ 219.259958] ? preempt_schedule+0x4d/0x60 [ 219.264107] ? ___preempt_schedule+0x16/0x18 [ 219.268521] ? bpf_test_run+0x1c0/0x5a0 [ 219.272506] ? netlink_diag_dump+0x2a0/0x2a0 [ 219.276917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.282451] ? bpf_test_init.isra.9+0x70/0x100 [ 219.287036] ? bpf_prog_test_run_skb+0x634/0xb40 [ 219.291797] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.296651] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 219.302186] ? fput+0x130/0x1a0 [ 219.305469] ? __bpf_prog_get+0x9b/0x290 [ 219.309534] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.314376] ? bpf_prog_test_run+0x130/0x1a0 [ 219.318787] ? __x64_sys_bpf+0x3d8/0x510 [ 219.322857] ? bpf_prog_get+0x20/0x20 [ 219.326675] ? do_syscall_64+0x1b9/0x820 [ 219.330737] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 219.336102] ? syscall_return_slowpath+0x5e0/0x5e0 [ 219.341036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.345884] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.350906] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 219.355925] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.360946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.365797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.371182] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 219.371234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.377942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.377951] Call Trace: [ 219.384528] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 219.393819] dump_stack+0x1c4/0x2b4 [ 219.396391] syz-executor0 cpuset= [ 219.407377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.410988] syz0 [ 219.414446] warn_alloc.cold.119+0xb7/0x1bd [ 219.419615] mems_allowed=0 [ 219.421590] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.433677] ? lock_downgrade+0x900/0x900 [ 219.437845] ? trace_hardirqs_off+0xb8/0x310 [ 219.442262] ? trace_hardirqs_off+0xb8/0x310 [ 219.446679] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.451544] ? warn_alloc+0x120/0x120 [ 219.455353] ? warn_alloc+0x120/0x120 [ 219.459154] ? cpuacct_charge+0x265/0x440 [ 219.463300] ? warn_alloc+0x120/0x120 [ 219.467105] ? mark_held_locks+0x130/0x130 [ 219.471344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.476884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.482426] ? should_fail+0x22d/0xd01 [ 219.486321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.491424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.496960] ? should_fail+0x22d/0xd01 [ 219.500863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.505968] ? should_fail+0x22d/0xd01 [ 219.510045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.515236] ? mark_held_locks+0x130/0x130 [ 219.519472] ? mark_held_locks+0x130/0x130 [ 219.523709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.529253] ? trace_hardirqs_off+0xb8/0x310 [ 219.533659] ? kasan_check_read+0x11/0x20 [ 219.537804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.542251] ? trace_hardirqs_on+0x310/0x310 [ 219.546662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.552202] ? wq_watchdog_touch+0x9c/0xfe [ 219.556436] ? io_serial_in+0x11/0x90 [ 219.560239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.565779] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 219.570890] __alloc_pages_nodemask+0xa80/0xde0 [ 219.575557] ? should_fail+0x22d/0xd01 [ 219.579449] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.584479] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.589146] ? lock_downgrade+0x900/0x900 [ 219.593300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.598854] cache_grow_begin+0x91/0x8c0 [ 219.602917] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.607332] fallback_alloc+0x203/0x2e0 [ 219.611313] ____cache_alloc_node+0x1c7/0x1e0 [ 219.615815] kmem_cache_alloc_node+0xe3/0x730 [ 219.620335] ? ipv6_get_ifaddr+0x42e/0x620 [ 219.624574] __alloc_skb+0x119/0x770 [ 219.628289] ? skb_scrub_packet+0x490/0x490 [ 219.632606] ? lock_downgrade+0x900/0x900 [ 219.636756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.642295] ? refcount_sub_and_test_checked+0x203/0x310 [ 219.647743] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 219.653197] ? addrconf_rs_timer+0x690/0x690 [ 219.657613] ndisc_alloc_skb+0x144/0x340 [ 219.661675] ndisc_send_rs+0x331/0x6e0 [ 219.665571] addrconf_rs_timer+0x314/0x690 [ 219.669804] ? lock_release+0x970/0x970 [ 219.673799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.678055] call_timer_fn+0x272/0x920 [ 219.681944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.686180] ? process_timeout+0x40/0x40 [ 219.690234] ? kasan_check_read+0x11/0x20 [ 219.694381] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.698785] ? trace_hardirqs_on+0x310/0x310 [ 219.703193] ? __run_timers+0x7da/0xc70 [ 219.707163] ? lock_downgrade+0x900/0x900 [ 219.711316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 219.716422] ? trace_hardirqs_on+0xbd/0x310 [ 219.720736] ? kasan_check_read+0x11/0x20 [ 219.724883] ? __run_timers+0x7da/0xc70 [ 219.728862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.734313] ? kasan_check_write+0x14/0x20 [ 219.738547] ? do_raw_spin_lock+0xc1/0x200 [ 219.742781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.747101] __run_timers+0x7e5/0xc70 [ 219.750913] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 219.756277] ? lock_downgrade+0x900/0x900 [ 219.760421] ? finish_task_switch+0x1b5/0x900 [ 219.764919] ? trace_hardirqs_on+0xbd/0x310 [ 219.769237] ? kasan_check_read+0x11/0x20 [ 219.773381] ? finish_task_switch+0x1f5/0x900 [ 219.777876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.783320] ? compat_start_thread+0x80/0x80 [ 219.787743] ? pvclock_read_flags+0x160/0x160 [ 219.792234] ? __switch_to_asm+0x34/0x70 [ 219.796294] ? __switch_to_asm+0x34/0x70 [ 219.800349] ? __switch_to_asm+0x40/0x70 [ 219.804409] ? __switch_to_asm+0x40/0x70 [ 219.808466] ? __switch_to_asm+0x34/0x70 [ 219.812521] ? __switch_to_asm+0x40/0x70 [ 219.816582] ? trace_hardirqs_on+0xbd/0x310 [ 219.820901] ? kvm_sched_clock_read+0x9/0x20 [ 219.825310] ? run_ksoftirqd+0x94/0x100 [ 219.829289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.834833] ? check_preemption_disabled+0x48/0x200 [ 219.839863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.845401] run_timer_softirq+0x52/0xb0 [ 219.849463] ? __this_cpu_preempt_check+0x1c/0x1f [ 219.854326] __do_softirq+0x30b/0xad8 [ 219.858147] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 219.863252] ? schedule+0x108/0x460 [ 219.866884] ? trace_hardirqs_off+0xb8/0x310 [ 219.871293] ? smpboot_thread_fn+0x68b/0xa00 [ 219.875698] ? trace_hardirqs_on+0x310/0x310 [ 219.880104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.885643] ? check_preemption_disabled+0x48/0x200 [ 219.890661] ? takeover_tasklets+0xa90/0xa90 [ 219.895070] run_ksoftirqd+0x94/0x100 [ 219.898874] smpboot_thread_fn+0x68b/0xa00 [ 219.903110] ? sort_range+0x30/0x30 [ 219.906742] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 219.911885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.917443] ? __kthread_parkme+0xfb/0x1a0 [ 219.921699] kthread+0x35a/0x420 [ 219.925072] ? sort_range+0x30/0x30 [ 219.928696] ? kthread_bind+0x40/0x40 [ 219.932504] ret_from_fork+0x3a/0x50 [ 219.936229] warn_alloc_show_mem: 1 callbacks suppressed [ 219.936241] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 219.936243] Mem-Info: [ 219.936272] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 219.936272] active_file:16 inactive_file:13 isolated_file:0 [ 219.936272] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.936272] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 219.936272] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 219.936272] free:13630 free_pcp:242 free_cma:0 [ 219.941622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.948841] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.951241] Call Trace: [ 219.984116] Node 0 [ 219.993474] [ 220.020987] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 220.023559] dump_stack+0x1c4/0x2b4 [ 220.025797] lowmem_reserve[]: [ 220.027959] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.053439] 0 [ 220.057101] warn_alloc.cold.119+0xb7/0x1bd [ 220.060179] 2819 [ 220.065377] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.067154] 6323 [ 220.071475] ? lock_downgrade+0x900/0x900 [ 220.073513] 6323 [ 220.078361] ? trace_hardirqs_off+0xb8/0x310 [ 220.084542] ? trace_hardirqs_off+0xb8/0x310 [ 220.086586] Node 0 [ 220.090990] __alloc_pages_slowpath+0x2667/0x2d80 [ 220.095403] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 220.097624] ? warn_alloc+0x120/0x120 [ 220.102430] lowmem_reserve[]: [ 220.129419] ? trace_hardirqs_on+0x310/0x310 [ 220.133208] 0 [ 220.136316] ? warn_alloc+0x120/0x120 [ 220.140695] 0 [ 220.142495] ? warn_alloc+0x120/0x120 [ 220.146271] 3503 [ 220.148069] ? ktime_get+0x2e1/0x440 [ 220.151856] 3503 [ 220.153919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.159673] ? check_preemption_disabled+0x48/0x200 [ 220.165180] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 220.170221] ? kasan_check_read+0x11/0x20 [ 220.170239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.199117] lowmem_reserve[]: [ 220.203274] ? should_fail+0x22d/0xd01 [ 220.208779] 0 [ 220.211882] ? rcu_bh_qs+0xc0/0xc0 [ 220.215745] 0 [ 220.217545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.221057] 0 [ 220.222864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.227941] 0 [ 220.229738] ? should_fail+0x22d/0xd01 [ 220.237048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.240934] Node 0 [ 220.246029] ? should_fail+0x22d/0xd01 [ 220.246032] DMA: 1*4kB [ 220.248270] ? rcu_idle_enter+0x4b0/0x4b0 [ 220.252133] (U) [ 220.254711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.258844] 0*8kB [ 220.260815] ? mark_held_locks+0x130/0x130 [ 220.265907] 0*16kB [ 220.268051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.272259] 1*32kB [ 220.274513] ? mark_held_locks+0x130/0x130 [ 220.280025] (U) [ 220.282260] ? rcu_irq_exit+0xce/0x100 [ 220.286502] 2*64kB [ 220.288474] ? irq_exit+0xbd/0x1c0 [ 220.292349] (U) [ 220.294587] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 220.298109] 1*128kB [ 220.300082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.305070] (U) [ 220.307392] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.311772] 1*256kB [ 220.313745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.319600] (U) [ 220.321919] ? ret_from_intr+0xb/0x1e [ 220.327435] 0*512kB [ 220.329403] ? retint_kernel+0x2d/0x2d [ 220.333179] 1*1024kB [ 220.335498] ? trace_hardirqs_on_caller+0xc0/0x310 [ 220.339363] (U) [ 220.341770] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.346672] 1*2048kB [ 220.348644] ? trace_hardirqs_off+0x310/0x310 [ 220.353373] (M) [ 220.355777] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.360250] 3*4096kB [ 220.362223] __alloc_pages_nodemask+0xa80/0xde0 [ 220.367300] (M) [ 220.369704] ? should_fail+0x22d/0xd01 [ 220.374437] = 15908kB [ 220.376407] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.380270] Node 0 [ 220.382686] ? ____cache_alloc_node+0x1c7/0x1e0 [ 220.387667] DMA32: [ 220.389908] ? lock_downgrade+0x900/0x900 [ 220.394552] 4*4kB [ 220.396787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.400903] (M) 0*8kB [ 220.403059] cache_grow_begin+0x91/0x8c0 [ 220.408570] 2*16kB [ 220.411065] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.415097] (M) [ 220.417341] fallback_alloc+0x203/0x2e0 [ 220.421723] 2*32kB [ 220.423698] ____cache_alloc_node+0x1c7/0x1e0 [ 220.427648] (M) [ 220.429886] kmem_cache_alloc_node+0xe3/0x730 [ 220.434365] 5*64kB [ 220.436345] ? ipv6_get_ifaddr+0x42e/0x620 [ 220.440843] (UM) [ 220.443078] __alloc_skb+0x119/0x770 [ 220.447294] 3*128kB [ 220.449366] ? skb_scrub_packet+0x490/0x490 [ 220.453052] (M) [ 220.455372] ? lock_downgrade+0x900/0x900 [ 220.459673] 4*256kB [ 220.461645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.465767] (UM) [ 220.468087] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.473602] 3*512kB [ 220.475660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.481079] (M) 3*1024kB [ 220.483417] ? addrconf_rs_timer+0x690/0x690 [ 220.488860] (UM) [ 220.491623] ndisc_alloc_skb+0x144/0x340 [ 220.496037] 1*2048kB [ 220.498184] ndisc_send_rs+0x331/0x6e0 [ 220.502228] (M) [ 220.504646] addrconf_rs_timer+0x314/0x690 [ 220.508511] 4*4096kB [ 220.510487] ? can_stat_update+0x59a/0xa60 [ 220.514695] (M) [ 220.517107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.521321] = 24880kB [ 220.523300] call_timer_fn+0x272/0x920 [ 220.527511] Node 0 [ 220.529917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.533778] Normal: [ 220.536015] ? process_timeout+0x40/0x40 [ 220.540226] 719*4kB [ 220.542548] ? trace_hardirqs_off+0xb8/0x310 [ 220.546585] (ME) [ 220.548904] ? kasan_check_read+0x11/0x20 [ 220.553288] 385*8kB [ 220.555355] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.559468] (UME) [ 220.561791] ? trace_hardirqs_on+0x310/0x310 [ 220.566176] 182*16kB [ 220.568322] ? __run_timers+0x7da/0xc70 [ 220.572732] (ME) [ 220.575146] ? lock_downgrade+0x900/0x900 [ 220.579108] 99*32kB [ 220.581167] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.585293] (UME) [ 220.587614] ? trace_hardirqs_on+0xbd/0x310 [ 220.592694] 27*64kB [ 220.594854] ? kasan_check_read+0x11/0x20 [ 220.599158] (UM) [ 220.601572] ? __run_timers+0x7da/0xc70 [ 220.605782] 0*128kB [ 220.607861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.611812] 0*256kB [ 220.614142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.619567] 0*512kB [ 220.621891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.627401] 0*1024kB [ 220.629722] __run_timers+0x7e5/0xc70 [ 220.633934] 0*2048kB [ 220.636355] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.640123] 0*4096kB [ 220.642534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.647875] = 13764kB [ 220.650283] ? rcu_bh_qs+0xc0/0xc0 [ 220.655543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 220.657950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.661562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 220.670402] ? check_preemption_disabled+0x48/0x200 [ 220.675914] 148 total pagecache pages [ 220.684484] ? rcu_nmi_exit+0xdb/0x280 [ 220.689482] 0 pages in swap cache [ 220.693277] ? ret_from_intr+0xb/0x1e [ 220.697146] Swap cache stats: add 0, delete 0, find 0/0 [ 220.700594] ? retint_kernel+0x2d/0x2d [ 220.704375] Free swap = 0kB [ 220.709735] ? trace_hardirqs_on_caller+0xc0/0x310 [ 220.713597] Total swap = 0kB [ 220.716615] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.721517] 1965979 pages RAM [ 220.724532] ? trace_hardirqs_off+0x310/0x310 [ 220.729262] 0 pages HighMem/MovableOnly [ 220.729271] 342307 pages reserved [ 220.732377] ? check_preemption_disabled+0x48/0x200 [ 220.736863] 0 pages cma reserved [ 220.740841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.744338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 220.749298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.749317] ? retint_kernel+0x2d/0x2d [ 220.752716] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.758199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.764679] ksoftirqd/0 cpuset= [ 220.769432] ? check_preemption_disabled+0x48/0x200 [ 220.773293] / [ 220.783606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.789123] mems_allowed=0 [ 220.792399] run_timer_softirq+0x52/0xb0 [ 220.811584] ? __this_cpu_preempt_check+0x1c/0x1f [ 220.816512] __do_softirq+0x30b/0xad8 [ 220.820324] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.825438] ? pvclock_read_flags+0x160/0x160 [ 220.829936] ? lapic_next_event+0x5a/0x90 [ 220.834092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.839632] ? clockevents_program_event+0x140/0x370 [ 220.844742] ? kvm_clock_read+0x18/0x30 [ 220.848719] ? kvm_sched_clock_read+0x9/0x20 [ 220.853129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.858667] ? check_preemption_disabled+0x48/0x200 [ 220.863690] irq_exit+0x17f/0x1c0 [ 220.867146] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.871986] ? smp_reschedule_interrupt+0x109/0x650 [ 220.877008] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.882894] ? interrupt_entry+0xb5/0xf0 [ 220.886959] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.891973] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.896989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.901860] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.906880] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.911896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.917434] ? check_preemption_disabled+0x48/0x200 [ 220.922449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.927990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.932865] apic_timer_interrupt+0xf/0x20 [ 220.937092] [ 220.939342] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.944278] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 220.963176] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.970887] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 220.978156] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 220.985426] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 220.992690] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 220.999958] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 221.007247] ? trace_hardirqs_on+0xb4/0x310 [ 221.011580] skb_clone+0x1bb/0x500 [ 221.015118] ? finish_task_switch+0x2f5/0x900 [ 221.019612] ? skb_split+0x11e0/0x11e0 [ 221.023500] ? preempt_notifier_register+0x200/0x200 [ 221.028602] ? __switch_to_asm+0x34/0x70 [ 221.032665] ? __switch_to_asm+0x34/0x70 [ 221.036724] ? __switch_to_asm+0x40/0x70 [ 221.040782] ? __switch_to_asm+0x34/0x70 [ 221.044845] ? __switch_to_asm+0x40/0x70 [ 221.048906] ? __switch_to_asm+0x34/0x70 [ 221.052969] ? __switch_to_asm+0x40/0x70 [ 221.057029] ? __switch_to_asm+0x34/0x70 [ 221.061093] ? __switch_to_asm+0x34/0x70 [ 221.065150] ? __switch_to_asm+0x40/0x70 [ 221.069208] ? __switch_to_asm+0x34/0x70 [ 221.073273] bpf_clone_redirect+0xb9/0x490 [ 221.077513] ? __schedule+0x874/0x1ed0 [ 221.081407] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 221.086429] ? __sched_text_start+0x8/0x8 [ 221.090580] ? retint_kernel+0x2d/0x2d [ 221.094465] ? retint_kernel+0x2d/0x2d [ 221.098358] ? trace_hardirqs_on_caller+0xc0/0x310 [ 221.103288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.108041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.112798] ? trace_hardirqs_off+0x310/0x310 [ 221.117309] ? lock_acquire+0x1ed/0x520 [ 221.121301] ? bpf_test_run+0x32e/0x5a0 [ 221.125278] ? lock_release+0x970/0x970 [ 221.129251] ? preempt_schedule+0x4d/0x60 [ 221.133400] ? preempt_schedule_common+0x1f/0xd0 [ 221.138178] ? preempt_schedule+0x4d/0x60 [ 221.142331] ? ___preempt_schedule+0x16/0x18 [ 221.146753] ? bpf_test_run+0x1c0/0x5a0 [ 221.150733] ? netlink_diag_dump+0x2a0/0x2a0 [ 221.155144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.160682] ? bpf_test_init.isra.9+0x70/0x100 [ 221.165264] ? bpf_prog_test_run_skb+0x634/0xb40 [ 221.170028] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.174872] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.180405] ? fput+0x130/0x1a0 [ 221.183686] ? __bpf_prog_get+0x9b/0x290 [ 221.187747] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 221.192587] ? bpf_prog_test_run+0x130/0x1a0 [ 221.197000] ? __x64_sys_bpf+0x3d8/0x510 [ 221.201058] ? bpf_prog_get+0x20/0x20 [ 221.204876] ? do_syscall_64+0x1b9/0x820 [ 221.208936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 221.214301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.219230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.224073] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.229176] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.234193] ? prepare_exit_to_usermode+0x291/0x3b0 [ 221.239214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.244065] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.249441] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 221.249493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.256212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.262792] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.272062] Call Trace: [ 221.282567] syz-executor0 cpuset=syz0 [ 221.285155] dump_stack+0x1c4/0x2b4 [ 221.285175] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.288962] mems_allowed=0 [ 221.292587] warn_alloc.cold.119+0xb7/0x1bd [ 221.304994] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.309854] ? lock_downgrade+0x900/0x900 [ 221.314013] ? trace_hardirqs_off+0xb8/0x310 [ 221.318426] ? trace_hardirqs_off+0xb8/0x310 [ 221.322852] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.327714] ? warn_alloc+0x120/0x120 [ 221.331522] ? warn_alloc+0x120/0x120 [ 221.335322] ? cpuacct_charge+0x265/0x440 [ 221.339473] ? warn_alloc+0x120/0x120 [ 221.343275] ? mark_held_locks+0x130/0x130 [ 221.347515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.353050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.358592] ? should_fail+0x22d/0xd01 [ 221.362485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.367595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.373134] ? should_fail+0x22d/0xd01 [ 221.377023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.382126] ? should_fail+0x22d/0xd01 [ 221.386017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.391130] ? mark_held_locks+0x130/0x130 [ 221.395371] ? mark_held_locks+0x130/0x130 [ 221.399612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.405637] ? mark_held_locks+0x130/0x130 [ 221.409875] ? trace_hardirqs_on+0x310/0x310 [ 221.414282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.419820] ? wq_watchdog_touch+0x9c/0xfe [ 221.424072] ? io_serial_in+0x11/0x90 [ 221.427879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.433421] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.438534] __alloc_pages_nodemask+0xa80/0xde0 [ 221.443201] ? should_fail+0x22d/0xd01 [ 221.447096] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.452127] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.456798] ? lock_downgrade+0x900/0x900 [ 221.460973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.466514] cache_grow_begin+0x91/0x8c0 [ 221.470576] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.475000] fallback_alloc+0x203/0x2e0 [ 221.478985] ____cache_alloc_node+0x1c7/0x1e0 [ 221.483485] kmem_cache_alloc_node+0xe3/0x730 [ 221.487980] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.492226] __alloc_skb+0x119/0x770 [ 221.495945] ? skb_scrub_packet+0x490/0x490 [ 221.500267] ? lock_downgrade+0x900/0x900 [ 221.504419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.510158] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.515615] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.521068] ? addrconf_rs_timer+0x690/0x690 [ 221.525484] ndisc_alloc_skb+0x144/0x340 [ 221.529559] ndisc_send_rs+0x331/0x6e0 [ 221.533541] addrconf_rs_timer+0x314/0x690 [ 221.537775] ? lock_release+0x970/0x970 [ 221.541753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.546001] call_timer_fn+0x272/0x920 [ 221.549892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.554127] ? process_timeout+0x40/0x40 [ 221.558186] ? kasan_check_read+0x11/0x20 [ 221.562335] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.566746] ? trace_hardirqs_on+0x310/0x310 [ 221.571160] ? __run_timers+0x7da/0xc70 [ 221.575135] ? lock_downgrade+0x900/0x900 [ 221.579283] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.584385] ? trace_hardirqs_on+0xbd/0x310 [ 221.588704] ? kasan_check_read+0x11/0x20 [ 221.592864] ? __run_timers+0x7da/0xc70 [ 221.596850] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.602312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.607884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.612125] __run_timers+0x7e5/0xc70 [ 221.616022] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.621391] ? lock_downgrade+0x900/0x900 [ 221.625543] ? finish_task_switch+0x1b5/0x900 [ 221.630040] ? trace_hardirqs_on+0xbd/0x310 [ 221.634360] ? kasan_check_read+0x11/0x20 [ 221.638507] ? finish_task_switch+0x1f5/0x900 [ 221.643007] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.648470] ? compat_start_thread+0x80/0x80 [ 221.652942] ? pvclock_read_flags+0x160/0x160 [ 221.657443] ? __switch_to_asm+0x34/0x70 [ 221.661509] ? __switch_to_asm+0x34/0x70 [ 221.665574] ? __switch_to_asm+0x40/0x70 [ 221.669639] ? __switch_to_asm+0x40/0x70 [ 221.673713] ? __switch_to_asm+0x34/0x70 [ 221.677776] ? __switch_to_asm+0x40/0x70 [ 221.681860] ? trace_hardirqs_on+0xbd/0x310 [ 221.686188] ? kvm_sched_clock_read+0x9/0x20 [ 221.690626] ? run_ksoftirqd+0x94/0x100 [ 221.694647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.700199] ? check_preemption_disabled+0x48/0x200 [ 221.705225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.710781] run_timer_softirq+0x52/0xb0 [ 221.714867] ? __this_cpu_preempt_check+0x1c/0x1f [ 221.719727] __do_softirq+0x30b/0xad8 [ 221.723544] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 221.728665] ? schedule+0x108/0x460 [ 221.732309] ? trace_hardirqs_off+0xb8/0x310 [ 221.736723] ? smpboot_thread_fn+0x68b/0xa00 [ 221.741145] ? trace_hardirqs_on+0x310/0x310 [ 221.745569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.751114] ? check_preemption_disabled+0x48/0x200 [ 221.756143] ? takeover_tasklets+0xa90/0xa90 [ 221.760559] run_ksoftirqd+0x94/0x100 [ 221.764372] smpboot_thread_fn+0x68b/0xa00 [ 221.768633] ? sort_range+0x30/0x30 [ 221.772265] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.777487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.783034] ? __kthread_parkme+0xfb/0x1a0 [ 221.787278] kthread+0x35a/0x420 [ 221.790648] ? sort_range+0x30/0x30 [ 221.794276] ? kthread_bind+0x40/0x40 [ 221.798081] ret_from_fork+0x3a/0x50 [ 221.801804] warn_alloc_show_mem: 1 callbacks suppressed [ 221.801817] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 221.801819] Mem-Info: [ 221.801867] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 221.801867] active_file:16 inactive_file:13 isolated_file:0 [ 221.801867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.801867] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 221.801867] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 221.801867] free:13630 free_pcp:242 free_cma:0 [ 221.807220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.814433] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.816864] Call Trace: [ 221.849775] Node 0 [ 221.859147] [ 221.886674] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 221.889246] dump_stack+0x1c4/0x2b4 [ 221.891461] lowmem_reserve[]: [ 221.893617] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.919095] 0 2819 [ 221.922755] warn_alloc.cold.119+0xb7/0x1bd [ 221.925854] 6323 [ 221.931059] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.933277] 6323 [ 221.937602] ? lock_downgrade+0x900/0x900 [ 221.944495] ? trace_hardirqs_off+0xb8/0x310 [ 221.946543] Node 0 [ 221.950695] ? trace_hardirqs_off+0xb8/0x310 [ 221.955108] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 221.957327] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.961706] lowmem_reserve[]: [ 221.988895] ? warn_alloc+0x120/0x120 [ 221.993719] 0 [ 221.996841] ? trace_hardirqs_on+0x310/0x310 [ 222.000618] 0 [ 222.002418] ? warn_alloc+0x120/0x120 [ 222.006802] 3503 [ 222.008610] ? warn_alloc+0x120/0x120 [ 222.012385] 3503 [ 222.014447] ? ktime_get+0x2e1/0x440 [ 222.020376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.024072] Node 0 [ 222.029606] ? check_preemption_disabled+0x48/0x200 [ 222.029639] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 222.029647] lowmem_reserve[]: [ 222.031880] ? kasan_check_read+0x11/0x20 [ 222.036868] 0 0 [ 222.065195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.068981] 0 [ 222.073127] ? should_fail+0x22d/0xd01 [ 222.075078] 0 [ 222.080614] ? rcu_bh_qs+0xc0/0xc0 [ 222.086278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.088057] Node 0 [ 222.091597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.096672] DMA: [ 222.098906] ? should_fail+0x22d/0xd01 [ 222.104421] 1*4kB [ 222.106484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.110339] (U) 0*8kB [ 222.112496] ? should_fail+0x22d/0xd01 [ 222.117578] 0*16kB [ 222.120073] ? rcu_idle_enter+0x4b0/0x4b0 [ 222.123949] 1*32kB [ 222.126372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.130495] (U) [ 222.132733] ? mark_held_locks+0x130/0x130 [ 222.137813] 2*64kB [ 222.139795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.144002] (U) [ 222.146246] ? mark_held_locks+0x130/0x130 [ 222.151762] 1*128kB [ 222.153734] ? rcu_irq_exit+0xce/0x100 [ 222.157943] (U) [ 222.160269] ? irq_exit+0xbd/0x1c0 [ 222.164133] 1*256kB [ 222.166108] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 222.169621] (U) [ 222.171947] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.176936] 0*512kB [ 222.178915] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.183313] 1*1024kB [ 222.185643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.191501] (U) [ 222.193910] ? ret_from_intr+0xb/0x1e [ 222.199424] 1*2048kB [ 222.201398] ? retint_kernel+0x2d/0x2d [ 222.205178] (M) [ 222.207587] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.211453] 3*4096kB [ 222.213426] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.218328] (M) [ 222.220740] ? trace_hardirqs_off+0x310/0x310 [ 222.225470] = 15908kB [ 222.227445] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.231916] Node 0 [ 222.234329] __alloc_pages_nodemask+0xa80/0xde0 [ 222.239402] DMA32: [ 222.241635] ? should_fail+0x22d/0xd01 [ 222.246280] 4*4kB [ 222.248513] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.252375] (M) [ 222.254544] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.259530] 0*8kB [ 222.261501] ? lock_downgrade+0x900/0x900 [ 222.266149] 2*16kB [ 222.268299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.272422] (M) [ 222.274655] cache_grow_begin+0x91/0x8c0 [ 222.280183] 2*32kB [ 222.282157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.286191] (M) [ 222.288425] fallback_alloc+0x203/0x2e0 [ 222.292808] 5*64kB [ 222.294793] ____cache_alloc_node+0x1c7/0x1e0 [ 222.298746] (UM) [ 222.300979] kmem_cache_alloc_node+0xe3/0x730 [ 222.305451] 3*128kB [ 222.307510] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.311982] (M) [ 222.314313] __alloc_skb+0x119/0x770 [ 222.318526] 4*256kB [ 222.320497] ? skb_scrub_packet+0x490/0x490 [ 222.324191] (UM) [ 222.326522] ? lock_downgrade+0x900/0x900 [ 222.330831] 3*512kB [ 222.332891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.337024] (M) [ 222.339353] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.344867] 3*1024kB [ 222.346847] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.352275] (UM) 1*2048kB [ 222.354698] ? addrconf_rs_timer+0x690/0x690 [ 222.360121] (M) [ 222.362967] ndisc_alloc_skb+0x144/0x340 [ 222.367344] 4*4096kB (M) [ 222.369327] ndisc_send_rs+0x331/0x6e0 [ 222.373363] = 24880kB [ 222.376122] addrconf_rs_timer+0x314/0x690 [ 222.379985] Node 0 [ 222.382393] ? can_stat_update+0x59a/0xa60 [ 222.386595] Normal: 719*4kB [ 222.388855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.393068] (ME) [ 222.396086] call_timer_fn+0x272/0x920 [ 222.400296] 385*8kB [ 222.402361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.406222] (UME) [ 222.408542] ? process_timeout+0x40/0x40 [ 222.412753] 182*16kB [ 222.414899] ? trace_hardirqs_off+0xb8/0x310 [ 222.418935] (ME) [ 222.421351] ? kasan_check_read+0x11/0x20 [ 222.425735] 99*32kB [ 222.427796] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.431914] (UME) [ 222.434239] ? trace_hardirqs_on+0x310/0x310 [ 222.438626] 27*64kB [ 222.440781] ? __run_timers+0x7da/0xc70 [ 222.445159] (UM) [ 222.447482] ? lock_downgrade+0x900/0x900 [ 222.451433] 0*128kB [ 222.453493] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.457626] 0*256kB [ 222.459945] ? trace_hardirqs_on+0xbd/0x310 [ 222.465029] 0*512kB [ 222.467351] ? kasan_check_read+0x11/0x20 [ 222.471650] 0*1024kB [ 222.473969] ? __run_timers+0x7da/0xc70 [ 222.478092] 0*2048kB [ 222.480499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.484451] 0*4096kB [ 222.486866] ? kasan_check_write+0x14/0x20 [ 222.492298] = 13764kB [ 222.494704] ? do_raw_spin_lock+0xc1/0x200 [ 222.498925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 222.501326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.505543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 222.514376] __run_timers+0x7e5/0xc70 [ 222.518589] 148 total pagecache pages [ 222.527179] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.530952] 0 pages in swap cache [ 222.534754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.540097] Swap cache stats: add 0, delete 0, find 0/0 [ 222.543542] ? rcu_bh_qs+0xc0/0xc0 [ 222.548799] Free swap = 0kB [ 222.554257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.557777] Total swap = 0kB [ 222.560796] ? check_preemption_disabled+0x48/0x200 [ 222.566316] 1965979 pages RAM [ 222.569345] ? rcu_nmi_exit+0xdb/0x280 [ 222.574331] 0 pages HighMem/MovableOnly [ 222.577438] ? ret_from_intr+0xb/0x1e [ 222.581300] 342307 pages reserved [ 222.585271] ? retint_kernel+0x2d/0x2d [ 222.589048] 0 pages cma reserved [ 222.592549] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.596464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.599769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.599784] ? trace_hardirqs_off+0x310/0x310 [ 222.599804] ? check_preemption_disabled+0x48/0x200 [ 222.604769] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.611217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.615948] ksoftirqd/0 cpuset= [ 222.620443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.625433] / [ 222.635741] ? retint_kernel+0x2d/0x2d [ 222.641260] mems_allowed=0 [ 222.644535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.663299] ? check_preemption_disabled+0x48/0x200 [ 222.668313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.673863] run_timer_softirq+0x52/0xb0 [ 222.677929] ? __this_cpu_preempt_check+0x1c/0x1f [ 222.682773] __do_softirq+0x30b/0xad8 [ 222.686584] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.691693] ? pvclock_read_flags+0x160/0x160 [ 222.696190] ? lapic_next_event+0x5a/0x90 [ 222.700346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.705886] ? clockevents_program_event+0x140/0x370 [ 222.710992] ? kvm_clock_read+0x18/0x30 [ 222.714966] ? kvm_sched_clock_read+0x9/0x20 [ 222.719375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.724929] ? check_preemption_disabled+0x48/0x200 [ 222.729953] irq_exit+0x17f/0x1c0 [ 222.733407] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.738254] ? smp_reschedule_interrupt+0x109/0x650 [ 222.743275] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.749157] ? interrupt_entry+0xb5/0xf0 [ 222.753224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.758241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.763257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.768098] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.773114] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.778128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.783666] ? check_preemption_disabled+0x48/0x200 [ 222.788683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.794241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.799088] apic_timer_interrupt+0xf/0x20 [ 222.803315] [ 222.805560] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 222.810487] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 222.829381] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 222.837088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 222.844362] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 222.851628] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 222.858894] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 222.866159] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 222.873440] ? trace_hardirqs_on+0xb4/0x310 [ 222.877777] skb_clone+0x1bb/0x500 [ 222.881321] ? finish_task_switch+0x2f5/0x900 [ 222.885835] ? skb_split+0x11e0/0x11e0 [ 222.889730] ? preempt_notifier_register+0x200/0x200 [ 222.894843] ? __switch_to_asm+0x34/0x70 [ 222.898903] ? __switch_to_asm+0x34/0x70 [ 222.902964] ? __switch_to_asm+0x40/0x70 [ 222.907025] ? __switch_to_asm+0x34/0x70 [ 222.911082] ? __switch_to_asm+0x40/0x70 [ 222.915142] ? __switch_to_asm+0x34/0x70 [ 222.919201] ? __switch_to_asm+0x40/0x70 [ 222.923257] ? __switch_to_asm+0x34/0x70 [ 222.927318] ? __switch_to_asm+0x34/0x70 [ 222.931386] ? __switch_to_asm+0x40/0x70 [ 222.935442] ? __switch_to_asm+0x34/0x70 [ 222.939506] bpf_clone_redirect+0xb9/0x490 [ 222.943741] ? __schedule+0x874/0x1ed0 [ 222.947633] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 222.952649] ? __sched_text_start+0x8/0x8 [ 222.956795] ? retint_kernel+0x2d/0x2d [ 222.960691] ? retint_kernel+0x2d/0x2d [ 222.964595] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.969526] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.974282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.979041] ? trace_hardirqs_off+0x310/0x310 [ 222.983542] ? lock_acquire+0x1ed/0x520 [ 222.987517] ? bpf_test_run+0x32e/0x5a0 [ 222.991495] ? lock_release+0x970/0x970 [ 222.995467] ? preempt_schedule+0x4d/0x60 [ 222.999615] ? preempt_schedule_common+0x1f/0xd0 [ 223.004376] ? preempt_schedule+0x4d/0x60 [ 223.008524] ? ___preempt_schedule+0x16/0x18 [ 223.012936] ? bpf_test_run+0x1c0/0x5a0 [ 223.016916] ? netlink_diag_dump+0x2a0/0x2a0 [ 223.021327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.026869] ? bpf_test_init.isra.9+0x70/0x100 [ 223.031453] ? bpf_prog_test_run_skb+0x634/0xb40 [ 223.036213] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.041058] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.046590] ? fput+0x130/0x1a0 [ 223.049869] ? __bpf_prog_get+0x9b/0x290 [ 223.053934] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.058777] ? bpf_prog_test_run+0x130/0x1a0 [ 223.063189] ? __x64_sys_bpf+0x3d8/0x510 [ 223.067249] ? bpf_prog_get+0x20/0x20 [ 223.071060] ? do_syscall_64+0x1b9/0x820 [ 223.075124] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.080486] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.085418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.090265] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.095281] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.100297] ? prepare_exit_to_usermode+0x291/0x3b0 [ 223.105317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.110172] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.115546] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 223.115598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.122395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.122400] Call Trace: [ 223.122421] dump_stack+0x1c4/0x2b4 [ 223.122440] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.128979] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.138272] warn_alloc.cold.119+0xb7/0x1bd [ 223.140847] syz-executor0 cpuset= [ 223.144473] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.149642] syz0 [ 223.160122] ? lock_downgrade+0x900/0x900 [ 223.164422] mems_allowed=0 [ 223.167873] ? trace_hardirqs_off+0xb8/0x310 [ 223.186102] ? trace_hardirqs_off+0xb8/0x310 [ 223.190516] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.195379] ? warn_alloc+0x120/0x120 [ 223.199188] ? warn_alloc+0x120/0x120 [ 223.202992] ? warn_alloc+0x120/0x120 [ 223.206793] ? mark_held_locks+0x130/0x130 [ 223.211048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.216587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.222125] ? should_fail+0x22d/0xd01 [ 223.226013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.231113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.236652] ? should_fail+0x22d/0xd01 [ 223.240540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.245642] ? should_fail+0x22d/0xd01 [ 223.249532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.254636] ? mark_held_locks+0x130/0x130 [ 223.258875] ? mark_held_locks+0x130/0x130 [ 223.263109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.268645] ? trace_hardirqs_off+0xb8/0x310 [ 223.273048] ? kasan_check_read+0x11/0x20 [ 223.277199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.281607] ? trace_hardirqs_on+0x310/0x310 [ 223.286015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.291549] ? wq_watchdog_touch+0x9c/0xfe [ 223.295782] ? io_serial_in+0x11/0x90 [ 223.299582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.305122] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.310235] __alloc_pages_nodemask+0xa80/0xde0 [ 223.314904] ? should_fail+0x22d/0xd01 [ 223.318794] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.323856] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.328551] ? lock_downgrade+0x900/0x900 [ 223.332706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.338246] cache_grow_begin+0x91/0x8c0 [ 223.342309] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.346721] fallback_alloc+0x203/0x2e0 [ 223.350698] ____cache_alloc_node+0x1c7/0x1e0 [ 223.355297] kmem_cache_alloc_node+0xe3/0x730 [ 223.359796] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.364055] __alloc_skb+0x119/0x770 [ 223.367775] ? skb_scrub_packet+0x490/0x490 [ 223.372094] ? lock_downgrade+0x900/0x900 [ 223.376244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.381781] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.387233] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.392684] ? addrconf_rs_timer+0x690/0x690 [ 223.397100] ndisc_alloc_skb+0x144/0x340 [ 223.401191] ndisc_send_rs+0x331/0x6e0 [ 223.405563] addrconf_rs_timer+0x314/0x690 [ 223.409800] ? lock_release+0x970/0x970 [ 223.413791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.418044] call_timer_fn+0x272/0x920 [ 223.421931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.426166] ? process_timeout+0x40/0x40 [ 223.430221] ? kasan_check_read+0x11/0x20 [ 223.434375] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.438786] ? trace_hardirqs_on+0x310/0x310 [ 223.443198] ? __run_timers+0x7da/0xc70 [ 223.447175] ? lock_downgrade+0x900/0x900 [ 223.451323] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.456448] ? trace_hardirqs_on+0xbd/0x310 [ 223.460771] ? kasan_check_read+0x11/0x20 [ 223.464922] ? __run_timers+0x7da/0xc70 [ 223.468895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.474346] ? kasan_check_write+0x14/0x20 [ 223.478584] ? do_raw_spin_lock+0xc1/0x200 [ 223.482838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.487081] __run_timers+0x7e5/0xc70 [ 223.490898] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.496263] ? lock_downgrade+0x900/0x900 [ 223.500411] ? finish_task_switch+0x1b5/0x900 [ 223.504912] ? trace_hardirqs_on+0xbd/0x310 [ 223.509424] ? kasan_check_read+0x11/0x20 [ 223.513575] ? finish_task_switch+0x1f5/0x900 [ 223.518068] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.523518] ? compat_start_thread+0x80/0x80 [ 223.527939] ? pvclock_read_flags+0x160/0x160 [ 223.532430] ? __switch_to_asm+0x34/0x70 [ 223.536490] ? __switch_to_asm+0x34/0x70 [ 223.540548] ? __switch_to_asm+0x40/0x70 [ 223.544605] ? __switch_to_asm+0x40/0x70 [ 223.548663] ? __switch_to_asm+0x34/0x70 [ 223.552720] ? __switch_to_asm+0x40/0x70 [ 223.556783] ? trace_hardirqs_on+0xbd/0x310 [ 223.561104] ? kvm_sched_clock_read+0x9/0x20 [ 223.565516] ? run_ksoftirqd+0x94/0x100 [ 223.569494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.575036] ? check_preemption_disabled+0x48/0x200 [ 223.580050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.585593] run_timer_softirq+0x52/0xb0 [ 223.589658] ? __this_cpu_preempt_check+0x1c/0x1f [ 223.594501] __do_softirq+0x30b/0xad8 [ 223.598307] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.603415] ? schedule+0x108/0x460 [ 223.607051] ? trace_hardirqs_off+0xb8/0x310 [ 223.611457] ? smpboot_thread_fn+0x68b/0xa00 [ 223.615872] ? trace_hardirqs_on+0x310/0x310 [ 223.620285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.625831] ? check_preemption_disabled+0x48/0x200 [ 223.630868] ? takeover_tasklets+0xa90/0xa90 [ 223.635280] run_ksoftirqd+0x94/0x100 [ 223.639086] smpboot_thread_fn+0x68b/0xa00 [ 223.643325] ? sort_range+0x30/0x30 [ 223.646951] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.652058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.657597] ? __kthread_parkme+0xfb/0x1a0 [ 223.661853] kthread+0x35a/0x420 [ 223.665222] ? sort_range+0x30/0x30 [ 223.668855] ? kthread_bind+0x40/0x40 [ 223.672654] ret_from_fork+0x3a/0x50 [ 223.676375] warn_alloc_show_mem: 1 callbacks suppressed [ 223.676388] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 223.676390] Mem-Info: [ 223.676421] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 223.676421] active_file:16 inactive_file:13 isolated_file:0 [ 223.676421] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.676421] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 223.676421] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 223.676421] free:13630 free_pcp:242 free_cma:0 [ 223.681767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.689005] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.691405] Call Trace: [ 223.724273] Node 0 [ 223.733626] [ 223.761151] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 223.763713] dump_stack+0x1c4/0x2b4 [ 223.765923] lowmem_reserve[]: [ 223.768072] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.793547] 0 [ 223.797177] warn_alloc.cold.119+0xb7/0x1bd [ 223.800254] 2819 [ 223.805440] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.807218] 6323 [ 223.811540] ? lock_downgrade+0x900/0x900 [ 223.813582] 6323 [ 223.818422] ? trace_hardirqs_off+0xb8/0x310 [ 223.824606] ? trace_hardirqs_off+0xb8/0x310 [ 223.826646] Node 0 [ 223.831052] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.835461] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 223.837684] ? warn_alloc+0x120/0x120 [ 223.842493] lowmem_reserve[]: [ 223.869470] ? trace_hardirqs_on+0x310/0x310 [ 223.873254] 0 [ 223.876362] ? warn_alloc+0x120/0x120 [ 223.880748] 0 [ 223.882552] ? warn_alloc+0x120/0x120 [ 223.886324] 3503 3503 [ 223.888139] ? ktime_get+0x2e1/0x440 [ 223.894412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.898099] Node 0 [ 223.903635] ? check_preemption_disabled+0x48/0x200 [ 223.903668] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 223.903675] lowmem_reserve[]: [ 223.905905] ? kasan_check_read+0x11/0x20 [ 223.910900] 0 [ 223.939182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.942264] 0 [ 223.946408] ? should_fail+0x22d/0xd01 [ 223.948185] 0 [ 223.953720] ? rcu_bh_qs+0xc0/0xc0 [ 223.955498] 0 [ 223.959385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.964707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.966487] Node 0 [ 223.971589] ? should_fail+0x22d/0xd01 [ 223.977095] DMA: 1*4kB [ 223.979347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.983203] (U) [ 223.985785] ? should_fail+0x22d/0xd01 [ 223.990865] 0*8kB [ 223.992851] ? rcu_idle_enter+0x4b0/0x4b0 [ 223.992869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.996730] 0*16kB 1*32kB [ 223.998887] ? mark_held_locks+0x130/0x130 [ 224.003009] (U) [ 224.008108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.010929] 2*64kB [ 224.015158] ? mark_held_locks+0x130/0x130 [ 224.017110] (U) [ 224.022647] ? rcu_irq_exit+0xce/0x100 [ 224.024873] 1*128kB [ 224.029103] ? irq_exit+0xbd/0x1c0 [ 224.031058] (U) [ 224.034944] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 224.037247] 1*256kB [ 224.040784] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.042734] (U) [ 224.047750] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.050053] 0*512kB [ 224.054461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.056414] 1*1024kB [ 224.062291] ? ret_from_intr+0xb/0x1e [ 224.064606] (U) [ 224.070143] ? retint_kernel+0x2d/0x2d [ 224.072550] 1*2048kB [ 224.076353] ? trace_hardirqs_on_caller+0xc0/0x310 [ 224.078302] (M) [ 224.082186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.084574] 3*4096kB [ 224.089498] ? trace_hardirqs_off+0x310/0x310 [ 224.091451] (M) [ 224.096202] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.098590] = 15908kB [ 224.103081] __alloc_pages_nodemask+0xa80/0xde0 [ 224.105038] Node 0 [ 224.110138] ? should_fail+0x22d/0xd01 [ 224.112528] DMA32: [ 224.117191] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.119413] 4*4kB [ 224.123307] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.125551] (M) [ 224.130565] ? lock_downgrade+0x900/0x900 [ 224.132693] 0*8kB [ 224.137363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.139317] 2*16kB [ 224.143492] cache_grow_begin+0x91/0x8c0 [ 224.145624] (M) [ 224.151157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.153379] 2*32kB [ 224.157437] fallback_alloc+0x203/0x2e0 [ 224.159392] (M) [ 224.163795] ____cache_alloc_node+0x1c7/0x1e0 [ 224.166010] 5*64kB [ 224.169978] kmem_cache_alloc_node+0xe3/0x730 [ 224.171932] (UM) [ 224.176422] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.178638] 3*128kB [ 224.183131] __alloc_skb+0x119/0x770 [ 224.185170] (M) [ 224.189489] ? skb_scrub_packet+0x490/0x490 [ 224.191792] 4*256kB [ 224.195504] ? lock_downgrade+0x900/0x900 [ 224.197461] (UM) [ 224.201781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.204086] 3*512kB [ 224.208232] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.210274] (M) [ 224.215810] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.218130] 3*1024kB [ 224.223578] ? addrconf_rs_timer+0x690/0x690 [ 224.225534] (UM) [ 224.230983] ndisc_alloc_skb+0x144/0x340 [ 224.233367] 1*2048kB [ 224.237769] ndisc_send_rs+0x331/0x6e0 [ 224.239809] (M) [ 224.243877] addrconf_rs_timer+0x314/0x690 [ 224.246263] 4*4096kB [ 224.250146] ? can_stat_update+0x59a/0xa60 [ 224.252096] (M) [ 224.256325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.258712] = 24880kB [ 224.262947] call_timer_fn+0x272/0x920 [ 224.264896] Node 0 [ 224.269126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.271513] Normal: [ 224.275396] ? process_timeout+0x40/0x40 [ 224.277610] 719*4kB [ 224.281855] ? trace_hardirqs_off+0xb8/0x310 [ 224.284155] (ME) [ 224.288208] ? kasan_check_read+0x11/0x20 [ 224.290509] 385*8kB [ 224.294915] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.296953] (UME) [ 224.301097] ? trace_hardirqs_on+0x310/0x310 [ 224.303397] 182*16kB [ 224.307803] ? __run_timers+0x7da/0xc70 [ 224.309932] (ME) [ 224.314344] ? lock_downgrade+0x900/0x900 [ 224.316731] 99*32kB [ 224.320702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.322740] (UME) [ 224.326884] ? trace_hardirqs_on+0xbd/0x310 [ 224.329189] 27*64kB [ 224.334283] ? kasan_check_read+0x11/0x20 [ 224.336413] (UM) [ 224.340733] ? __run_timers+0x7da/0xc70 [ 224.343032] 0*128kB [ 224.347173] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.349212] 0*256kB [ 224.353181] ? kasan_check_write+0x14/0x20 [ 224.355488] 0*512kB [ 224.360935] ? do_raw_spin_lock+0xc1/0x200 [ 224.363233] 0*1024kB [ 224.367465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.369770] 0*2048kB [ 224.374000] __run_timers+0x7e5/0xc70 [ 224.376389] 0*4096kB [ 224.380621] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.383004] = 13764kB [ 224.386804] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.389200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 224.394555] ? rcu_bh_qs+0xc0/0xc0 [ 224.396957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 224.402257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.411071] 148 total pagecache pages [ 224.414612] ? check_preemption_disabled+0x48/0x200 [ 224.423159] 0 pages in swap cache [ 224.428694] ? rcu_nmi_exit+0xdb/0x280 [ 224.432474] Swap cache stats: add 0, delete 0, find 0/0 [ 224.437480] ? ret_from_intr+0xb/0x1e [ 224.440913] Free swap = 0kB [ 224.444793] ? retint_kernel+0x2d/0x2d [ 224.450134] Total swap = 0kB [ 224.453934] ? trace_hardirqs_on_caller+0xc0/0x310 [ 224.456928] 1965979 pages RAM [ 224.460811] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.463815] 0 pages HighMem/MovableOnly [ 224.468757] ? trace_hardirqs_off+0x310/0x310 [ 224.471858] 342307 pages reserved [ 224.476614] ? check_preemption_disabled+0x48/0x200 [ 224.480566] 0 pages cma reserved [ 224.485057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.488538] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.493504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.493523] ? retint_kernel+0x2d/0x2d [ 224.496963] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.502481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.508972] ksoftirqd/0 cpuset= [ 224.513729] ? check_preemption_disabled+0x48/0x200 [ 224.517593] / [ 224.527907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.533420] mems_allowed=0 [ 224.536697] run_timer_softirq+0x52/0xb0 [ 224.555895] ? __this_cpu_preempt_check+0x1c/0x1f [ 224.560744] __do_softirq+0x30b/0xad8 [ 224.564553] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.569657] ? pvclock_read_flags+0x160/0x160 [ 224.574149] ? lapic_next_event+0x5a/0x90 [ 224.578300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.583852] ? clockevents_program_event+0x140/0x370 [ 224.588960] ? kvm_clock_read+0x18/0x30 [ 224.592931] ? kvm_sched_clock_read+0x9/0x20 [ 224.597350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.602891] ? check_preemption_disabled+0x48/0x200 [ 224.607916] irq_exit+0x17f/0x1c0 [ 224.611374] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.616215] ? smp_reschedule_interrupt+0x109/0x650 [ 224.621233] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.627114] ? interrupt_entry+0xb5/0xf0 [ 224.631178] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.636191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.641212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.646055] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.651069] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.656085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.661623] ? check_preemption_disabled+0x48/0x200 [ 224.666640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.672182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.677034] apic_timer_interrupt+0xf/0x20 [ 224.681260] [ 224.683503] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 224.688436] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 224.707343] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 224.715055] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 224.722324] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 224.729597] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 224.736867] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 224.744132] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 224.751416] ? trace_hardirqs_on+0xb4/0x310 [ 224.755750] skb_clone+0x1bb/0x500 [ 224.759291] ? finish_task_switch+0x2f5/0x900 [ 224.763785] ? skb_split+0x11e0/0x11e0 [ 224.767679] ? preempt_notifier_register+0x200/0x200 [ 224.772786] ? __switch_to_asm+0x34/0x70 [ 224.776860] ? __switch_to_asm+0x34/0x70 [ 224.780924] ? __switch_to_asm+0x40/0x70 [ 224.784985] ? __switch_to_asm+0x34/0x70 [ 224.789045] ? __switch_to_asm+0x40/0x70 [ 224.793106] ? __switch_to_asm+0x34/0x70 [ 224.797163] ? __switch_to_asm+0x40/0x70 [ 224.801222] ? __switch_to_asm+0x34/0x70 [ 224.805283] ? __switch_to_asm+0x34/0x70 [ 224.809349] ? __switch_to_asm+0x40/0x70 [ 224.813411] ? __switch_to_asm+0x34/0x70 [ 224.817480] bpf_clone_redirect+0xb9/0x490 [ 224.821714] ? __schedule+0x874/0x1ed0 [ 224.825634] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 224.830650] ? __sched_text_start+0x8/0x8 [ 224.834800] ? retint_kernel+0x2d/0x2d [ 224.838697] ? retint_kernel+0x2d/0x2d [ 224.842582] ? trace_hardirqs_on_caller+0xc0/0x310 [ 224.847516] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.852271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.857028] ? trace_hardirqs_off+0x310/0x310 [ 224.861530] ? lock_acquire+0x1ed/0x520 [ 224.866283] ? bpf_test_run+0x32e/0x5a0 [ 224.870259] ? lock_release+0x970/0x970 [ 224.874233] ? preempt_schedule+0x4d/0x60 [ 224.878381] ? preempt_schedule_common+0x1f/0xd0 [ 224.883138] ? preempt_schedule+0x4d/0x60 [ 224.887289] ? ___preempt_schedule+0x16/0x18 [ 224.891699] ? bpf_test_run+0x1c0/0x5a0 [ 224.895684] ? netlink_diag_dump+0x2a0/0x2a0 [ 224.900097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.905636] ? bpf_test_init.isra.9+0x70/0x100 [ 224.910219] ? bpf_prog_test_run_skb+0x634/0xb40 [ 224.914977] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.919817] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.925366] ? fput+0x130/0x1a0 [ 224.928646] ? __bpf_prog_get+0x9b/0x290 [ 224.932708] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.937551] ? bpf_prog_test_run+0x130/0x1a0 [ 224.941960] ? __x64_sys_bpf+0x3d8/0x510 [ 224.946023] ? bpf_prog_get+0x20/0x20 [ 224.949846] ? do_syscall_64+0x1b9/0x820 [ 224.953913] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 224.959276] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.964202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.969046] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.974061] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 224.979080] ? prepare_exit_to_usermode+0x291/0x3b0 [ 224.984278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.989123] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.994503] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 224.994569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.001268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.001272] Call Trace: [ 225.001293] dump_stack+0x1c4/0x2b4 [ 225.001313] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.007844] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.017161] warn_alloc.cold.119+0xb7/0x1bd [ 225.019726] syz-executor0 cpuset= [ 225.023357] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.028526] syz0 [ 225.039012] ? lock_downgrade+0x900/0x900 [ 225.043309] mems_allowed=0 [ 225.046761] ? trace_hardirqs_off+0xb8/0x310 [ 225.064986] ? trace_hardirqs_off+0xb8/0x310 [ 225.069402] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.074265] ? warn_alloc+0x120/0x120 [ 225.078067] ? warn_alloc+0x120/0x120 [ 225.081869] ? warn_alloc+0x120/0x120 [ 225.085672] ? mark_held_locks+0x130/0x130 [ 225.089913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.095534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.101068] ? should_fail+0x22d/0xd01 [ 225.104956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.110057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.115592] ? should_fail+0x22d/0xd01 [ 225.119481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.124590] ? should_fail+0x22d/0xd01 [ 225.128482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.133587] ? mark_held_locks+0x130/0x130 [ 225.137841] ? mark_held_locks+0x130/0x130 [ 225.142081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.147621] ? trace_hardirqs_off+0xb8/0x310 [ 225.152034] ? kasan_check_read+0x11/0x20 [ 225.156187] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.161117] ? trace_hardirqs_on+0x310/0x310 [ 225.165526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.171063] ? wq_watchdog_touch+0x9c/0xfe [ 225.175296] ? io_serial_in+0x11/0x90 [ 225.179095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.184640] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.189753] __alloc_pages_nodemask+0xa80/0xde0 [ 225.194419] ? should_fail+0x22d/0xd01 [ 225.198308] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.203345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.208014] ? lock_downgrade+0x900/0x900 [ 225.212170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.217710] cache_grow_begin+0x91/0x8c0 [ 225.221797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.226228] fallback_alloc+0x203/0x2e0 [ 225.230208] ____cache_alloc_node+0x1c7/0x1e0 [ 225.234884] kmem_cache_alloc_node+0xe3/0x730 [ 225.239379] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.243617] __alloc_skb+0x119/0x770 [ 225.247331] ? skb_scrub_packet+0x490/0x490 [ 225.251654] ? lock_downgrade+0x900/0x900 [ 225.255805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.261527] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.266985] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.272438] ? addrconf_rs_timer+0x690/0x690 [ 225.276867] ndisc_alloc_skb+0x144/0x340 [ 225.281104] ndisc_send_rs+0x331/0x6e0 [ 225.284995] addrconf_rs_timer+0x314/0x690 [ 225.289229] ? lock_release+0x970/0x970 [ 225.293206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.297452] call_timer_fn+0x272/0x920 [ 225.301339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.305578] ? process_timeout+0x40/0x40 [ 225.309635] ? kasan_check_read+0x11/0x20 [ 225.313782] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.318189] ? trace_hardirqs_on+0x310/0x310 [ 225.322601] ? __run_timers+0x7da/0xc70 [ 225.326578] ? lock_downgrade+0x900/0x900 [ 225.330727] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.335844] ? trace_hardirqs_on+0xbd/0x310 [ 225.340166] ? kasan_check_read+0x11/0x20 [ 225.344316] ? __run_timers+0x7da/0xc70 [ 225.348296] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.353750] ? kasan_check_write+0x14/0x20 [ 225.357997] ? do_raw_spin_lock+0xc1/0x200 [ 225.362248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.366486] __run_timers+0x7e5/0xc70 [ 225.370913] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.376281] ? lock_downgrade+0x900/0x900 [ 225.380435] ? finish_task_switch+0x1b5/0x900 [ 225.384940] ? trace_hardirqs_on+0xbd/0x310 [ 225.389260] ? kasan_check_read+0x11/0x20 [ 225.393412] ? finish_task_switch+0x1f5/0x900 [ 225.397911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.403550] ? compat_start_thread+0x80/0x80 [ 225.407972] ? pvclock_read_flags+0x160/0x160 [ 225.412466] ? __switch_to_asm+0x34/0x70 [ 225.416533] ? __switch_to_asm+0x34/0x70 [ 225.420592] ? __switch_to_asm+0x40/0x70 [ 225.425348] ? __switch_to_asm+0x40/0x70 [ 225.429585] ? __switch_to_asm+0x34/0x70 [ 225.433643] ? __switch_to_asm+0x40/0x70 [ 225.437712] ? trace_hardirqs_on+0xbd/0x310 [ 225.442036] ? kvm_sched_clock_read+0x9/0x20 [ 225.446445] ? run_ksoftirqd+0x94/0x100 [ 225.450419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.455961] ? check_preemption_disabled+0x48/0x200 [ 225.460978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.466695] run_timer_softirq+0x52/0xb0 [ 225.470771] ? __this_cpu_preempt_check+0x1c/0x1f [ 225.475615] __do_softirq+0x30b/0xad8 [ 225.479430] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.484539] ? schedule+0x108/0x460 [ 225.488171] ? trace_hardirqs_off+0xb8/0x310 [ 225.492578] ? smpboot_thread_fn+0x68b/0xa00 [ 225.497339] ? trace_hardirqs_on+0x310/0x310 [ 225.501750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.507290] ? check_preemption_disabled+0x48/0x200 [ 225.512599] ? takeover_tasklets+0xa90/0xa90 [ 225.517010] run_ksoftirqd+0x94/0x100 [ 225.520810] smpboot_thread_fn+0x68b/0xa00 [ 225.525063] ? sort_range+0x30/0x30 [ 225.528693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.533801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.539353] ? __kthread_parkme+0xfb/0x1a0 [ 225.543591] kthread+0x35a/0x420 [ 225.546959] ? sort_range+0x30/0x30 [ 225.550582] ? kthread_bind+0x40/0x40 [ 225.554382] ret_from_fork+0x3a/0x50 [ 225.558103] warn_alloc_show_mem: 1 callbacks suppressed [ 225.558115] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 225.558117] Mem-Info: [ 225.558148] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 225.558148] active_file:16 inactive_file:13 isolated_file:0 [ 225.558148] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.558148] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 225.558148] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 225.558148] free:13630 free_pcp:242 free_cma:0 [ 225.563500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.570694] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.573099] Call Trace: [ 225.606322] Node 0 [ 225.616291] [ 225.644077] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.646644] dump_stack+0x1c4/0x2b4 [ 225.648856] lowmem_reserve[]: [ 225.651006] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.676494] 0 [ 225.680139] warn_alloc.cold.119+0xb7/0x1bd [ 225.683213] 2819 [ 225.688404] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.690186] 6323 [ 225.694512] ? lock_downgrade+0x900/0x900 [ 225.696548] 6323 [ 225.701406] ? trace_hardirqs_off+0xb8/0x310 [ 225.703531] Node 0 [ 225.707676] ? trace_hardirqs_off+0xb8/0x310 [ 225.709743] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 225.714130] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.716334] lowmem_reserve[]: 0 0 [ 225.721212] ? warn_alloc+0x120/0x120 [ 225.748156] 3503 [ 225.753001] ? warn_alloc+0x120/0x120 [ 225.756430] 3503 [ 225.760574] ? warn_alloc+0x120/0x120 [ 225.762614] Node 0 [ 225.766760] ? mark_held_locks+0x130/0x130 [ 225.769349] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 225.774098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.776682] lowmem_reserve[]: 0 [ 225.780926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.809436] 0 0 [ 225.814992] ? should_fail+0x22d/0xd01 [ 225.818246] 0 [ 225.823787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.829626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.831406] Node 0 [ 225.836504] ? should_fail+0x22d/0xd01 [ 225.842194] DMA: [ 225.844432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.848295] 1*4kB [ 225.850358] ? should_fail+0x22d/0xd01 [ 225.855436] (U) [ 225.857585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.861455] 0*8kB [ 225.863431] ? mark_held_locks+0x130/0x130 [ 225.868513] 0*16kB [ 225.870664] ? mark_held_locks+0x130/0x130 [ 225.874892] 1*32kB [ 225.877134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.881338] (U) 2*64kB [ 225.883588] ? trace_hardirqs_off+0xb8/0x310 [ 225.889192] (U) [ 225.891777] ? kasan_check_read+0x11/0x20 [ 225.896166] 1*128kB [ 225.898142] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.902264] (U) [ 225.904589] ? trace_hardirqs_on+0x310/0x310 [ 225.909408] 1*256kB [ 225.911383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.915769] (U) [ 225.918099] ? wq_watchdog_touch+0x9c/0xfe [ 225.923622] 0*512kB [ 225.925603] ? io_serial_in+0x11/0x90 [ 225.930159] 1*1024kB [ 225.932482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.936255] (U) [ 225.938691] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.944205] 1*2048kB [ 225.946184] __alloc_pages_nodemask+0xa80/0xde0 [ 225.951258] (M) [ 225.953670] ? should_fail+0x22d/0xd01 [ 225.958319] 3*4096kB [ 225.960299] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.964160] (M) [ 225.966581] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.971563] = 15908kB [ 225.973543] ? lock_downgrade+0x900/0x900 [ 225.978199] Node 0 [ 225.980623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.984756] DMA32: [ 225.987010] cache_grow_begin+0x91/0x8c0 [ 225.992701] 4*4kB [ 225.994951] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.998990] (M) [ 226.001150] fallback_alloc+0x203/0x2e0 [ 226.005541] 0*8kB [ 226.007533] ____cache_alloc_node+0x1c7/0x1e0 [ 226.011489] 2*16kB [ 226.013647] kmem_cache_alloc_node+0xe3/0x730 [ 226.018123] (M) [ 226.020391] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.024869] 2*32kB [ 226.026861] __alloc_skb+0x119/0x770 [ 226.031172] (M) [ 226.033413] ? skb_scrub_packet+0x490/0x490 [ 226.037110] 5*64kB [ 226.039089] ? lock_downgrade+0x900/0x900 [ 226.043384] (UM) [ 226.045628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.049751] 3*128kB [ 226.051814] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.057369] (M) [ 226.059698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.065128] 4*256kB [ 226.067105] ? addrconf_rs_timer+0x690/0x690 [ 226.072531] (UM) [ 226.074866] ndisc_alloc_skb+0x144/0x340 [ 226.079425] 3*512kB [ 226.081495] ndisc_send_rs+0x331/0x6e0 [ 226.085532] (M) [ 226.087862] addrconf_rs_timer+0x314/0x690 [ 226.091726] 3*1024kB [ 226.093706] ? can_stat_update+0x59a/0xa60 [ 226.097920] (UM) [ 226.100346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.104559] 1*2048kB [ 226.106632] call_timer_fn+0x272/0x920 [ 226.110839] (M) [ 226.113253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.117115] 4*4096kB [ 226.119095] ? process_timeout+0x40/0x40 [ 226.123302] (M) [ 226.125711] ? trace_hardirqs_off+0xb8/0x310 [ 226.125727] ? kasan_check_read+0x11/0x20 [ 226.129770] = 24880kB [ 226.131744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.136132] Node 0 [ 226.140282] ? trace_hardirqs_on+0x310/0x310 [ 226.142673] Normal: [ 226.147096] ? __run_timers+0x7da/0xc70 [ 226.149317] 719*4kB [ 226.153734] ? lock_downgrade+0x900/0x900 [ 226.156038] (ME) [ 226.160016] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.162313] 385*8kB [ 226.166636] ? trace_hardirqs_on+0xbd/0x310 [ 226.168853] (UME) [ 226.173954] ? kasan_check_read+0x11/0x20 [ 226.176263] 182*16kB [ 226.180581] ? __run_timers+0x7da/0xc70 [ 226.182710] (ME) [ 226.186862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.189247] 99*32kB [ 226.193215] ? kasan_check_write+0x14/0x20 [ 226.195257] (UME) [ 226.200708] ? do_raw_spin_lock+0xc1/0x200 [ 226.203013] 27*64kB [ 226.207247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.209377] (UM) [ 226.213618] __run_timers+0x7e5/0xc70 [ 226.215921] 0*128kB [ 226.220160] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.222190] 0*256kB [ 226.225990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.228294] 0*512kB [ 226.233660] ? rcu_bh_qs+0xc0/0xc0 [ 226.235962] 0*1024kB [ 226.241234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.243535] 0*2048kB [ 226.247074] ? check_preemption_disabled+0x48/0x200 [ 226.249462] 0*4096kB [ 226.254999] ? rcu_nmi_exit+0xdb/0x280 [ 226.257384] = 13764kB [ 226.262395] ? ret_from_intr+0xb/0x1e [ 226.264789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 226.268664] ? retint_kernel+0x2d/0x2d [ 226.271057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 226.274850] ? trace_hardirqs_on_caller+0xc0/0x310 [ 226.274870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.284011] 148 total pagecache pages [ 226.288092] ? trace_hardirqs_off+0x310/0x310 [ 226.296645] 0 pages in swap cache [ 226.301576] ? check_preemption_disabled+0x48/0x200 [ 226.306327] Swap cache stats: add 0, delete 0, find 0/0 [ 226.310127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.314590] Free swap = 0kB [ 226.314600] Total swap = 0kB [ 226.318051] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.323736] 1965979 pages RAM [ 226.330224] ? retint_kernel+0x2d/0x2d [ 226.336004] 0 pages HighMem/MovableOnly [ 226.339021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.342015] 342307 pages reserved [ 226.346772] ? check_preemption_disabled+0x48/0x200 [ 226.349860] 0 pages cma reserved [ 226.353745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.357744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.363223] run_timer_softirq+0x52/0xb0 [ 226.363244] ? __this_cpu_preempt_check+0x1c/0x1f [ 226.366720] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.371686] __do_softirq+0x30b/0xad8 [ 226.375045] ksoftirqd/0 cpuset= [ 226.380580] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.387568] / [ 226.391625] ? pvclock_read_flags+0x160/0x160 [ 226.396444] mems_allowed=0 [ 226.406750] ? lapic_next_event+0x5a/0x90 [ 226.434678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.440213] ? clockevents_program_event+0x140/0x370 [ 226.445316] ? kvm_clock_read+0x18/0x30 [ 226.449297] ? kvm_sched_clock_read+0x9/0x20 [ 226.453703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.459587] ? check_preemption_disabled+0x48/0x200 [ 226.464785] irq_exit+0x17f/0x1c0 [ 226.468240] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.473083] ? smp_reschedule_interrupt+0x109/0x650 [ 226.478624] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.484522] ? interrupt_entry+0xb5/0xf0 [ 226.488583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.493597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.498610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.503889] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.508906] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.513919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.519459] ? check_preemption_disabled+0x48/0x200 [ 226.524472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.530017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.534864] apic_timer_interrupt+0xf/0x20 [ 226.539088] [ 226.541325] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.546259] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 226.565163] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 226.573043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 226.580310] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 226.587754] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 226.595198] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 226.602463] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 226.609740] ? trace_hardirqs_on+0xb4/0x310 [ 226.614075] skb_clone+0x1bb/0x500 [ 226.617617] ? finish_task_switch+0x2f5/0x900 [ 226.622110] ? skb_split+0x11e0/0x11e0 [ 226.625996] ? preempt_notifier_register+0x200/0x200 [ 226.631099] ? __switch_to_asm+0x34/0x70 [ 226.635156] ? __switch_to_asm+0x34/0x70 [ 226.639215] ? __switch_to_asm+0x40/0x70 [ 226.643269] ? __switch_to_asm+0x34/0x70 [ 226.647326] ? __switch_to_asm+0x40/0x70 [ 226.651388] ? __switch_to_asm+0x34/0x70 [ 226.655443] ? __switch_to_asm+0x40/0x70 [ 226.659506] ? __switch_to_asm+0x34/0x70 [ 226.663574] ? __switch_to_asm+0x34/0x70 [ 226.667628] ? __switch_to_asm+0x40/0x70 [ 226.671681] ? __switch_to_asm+0x34/0x70 [ 226.675744] bpf_clone_redirect+0xb9/0x490 [ 226.679985] ? __schedule+0x874/0x1ed0 [ 226.683875] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 226.688891] ? __sched_text_start+0x8/0x8 [ 226.693475] ? retint_kernel+0x2d/0x2d [ 226.697362] ? retint_kernel+0x2d/0x2d [ 226.701252] ? trace_hardirqs_on_caller+0xc0/0x310 [ 226.706179] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.710931] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.715683] ? trace_hardirqs_off+0x310/0x310 [ 226.720181] ? lock_acquire+0x1ed/0x520 [ 226.724155] ? bpf_test_run+0x32e/0x5a0 [ 226.728305] ? lock_release+0x970/0x970 [ 226.733098] ? preempt_schedule+0x4d/0x60 [ 226.737249] ? preempt_schedule_common+0x1f/0xd0 [ 226.742004] ? preempt_schedule+0x4d/0x60 [ 226.746154] ? ___preempt_schedule+0x16/0x18 [ 226.750562] ? bpf_test_run+0x1c0/0x5a0 [ 226.754539] ? netlink_diag_dump+0x2a0/0x2a0 [ 226.758950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.764485] ? bpf_test_init.isra.9+0x70/0x100 [ 226.769066] ? bpf_prog_test_run_skb+0x634/0xb40 [ 226.773832] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.778680] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.784215] ? fput+0x130/0x1a0 [ 226.787493] ? __bpf_prog_get+0x9b/0x290 [ 226.791550] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.796391] ? bpf_prog_test_run+0x130/0x1a0 [ 226.800800] ? __x64_sys_bpf+0x3d8/0x510 [ 226.804867] ? bpf_prog_get+0x20/0x20 [ 226.808679] ? do_syscall_64+0x1b9/0x820 [ 226.812736] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.818097] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.823024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.827869] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.832885] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.837898] ? prepare_exit_to_usermode+0x291/0x3b0 [ 226.842914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.847759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.853131] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 226.853184] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.859890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.859895] Call Trace: [ 226.859915] dump_stack+0x1c4/0x2b4 [ 226.859933] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.866450] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.875760] warn_alloc.cold.119+0xb7/0x1bd [ 226.878316] syz-executor0 cpuset= [ 226.881940] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.887108] syz0 [ 226.897618] ? lock_downgrade+0x900/0x900 [ 226.901919] mems_allowed=0 [ 226.905370] ? trace_hardirqs_off+0xb8/0x310 [ 226.923596] ? trace_hardirqs_off+0xb8/0x310 [ 226.928007] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.932873] ? warn_alloc+0x120/0x120 [ 226.937028] ? warn_alloc+0x120/0x120 [ 226.940871] ? warn_alloc+0x120/0x120 [ 226.944698] ? mark_held_locks+0x130/0x130 [ 226.948938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.954475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.960010] ? should_fail+0x22d/0xd01 [ 226.963899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.968998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.974528] ? should_fail+0x22d/0xd01 [ 226.978414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.983515] ? should_fail+0x22d/0xd01 [ 226.987403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.992505] ? mark_held_locks+0x130/0x130 [ 226.996737] ? mark_held_locks+0x130/0x130 [ 227.000970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.006508] ? trace_hardirqs_off+0xb8/0x310 [ 227.010913] ? kasan_check_read+0x11/0x20 [ 227.015062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.019474] ? trace_hardirqs_on+0x310/0x310 [ 227.023884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.029421] ? wq_watchdog_touch+0x9c/0xfe [ 227.033672] ? io_serial_in+0x11/0x90 [ 227.037478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.043023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.048136] __alloc_pages_nodemask+0xa80/0xde0 [ 227.052808] ? should_fail+0x22d/0xd01 [ 227.057058] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.062085] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.066752] ? lock_downgrade+0x900/0x900 [ 227.070905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.076441] cache_grow_begin+0x91/0x8c0 [ 227.080502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.084922] fallback_alloc+0x203/0x2e0 [ 227.088905] ____cache_alloc_node+0x1c7/0x1e0 [ 227.093400] kmem_cache_alloc_node+0xe3/0x730 [ 227.097897] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.102138] __alloc_skb+0x119/0x770 [ 227.105865] ? skb_scrub_packet+0x490/0x490 [ 227.110184] ? lock_downgrade+0x900/0x900 [ 227.114332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.119871] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.125335] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.130790] ? addrconf_rs_timer+0x690/0x690 [ 227.135217] ndisc_alloc_skb+0x144/0x340 [ 227.139286] ndisc_send_rs+0x331/0x6e0 [ 227.143180] addrconf_rs_timer+0x314/0x690 [ 227.147416] ? lock_release+0x970/0x970 [ 227.151394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.155636] call_timer_fn+0x272/0x920 [ 227.159521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.163752] ? process_timeout+0x40/0x40 [ 227.167811] ? kasan_check_read+0x11/0x20 [ 227.171976] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.176411] ? trace_hardirqs_on+0x310/0x310 [ 227.180831] ? __run_timers+0x7da/0xc70 [ 227.184826] ? lock_downgrade+0x900/0x900 [ 227.188988] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.194095] ? trace_hardirqs_on+0xbd/0x310 [ 227.198413] ? kasan_check_read+0x11/0x20 [ 227.202561] ? __run_timers+0x7da/0xc70 [ 227.206533] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.211987] ? kasan_check_write+0x14/0x20 [ 227.216218] ? do_raw_spin_lock+0xc1/0x200 [ 227.220457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.224695] __run_timers+0x7e5/0xc70 [ 227.228505] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.233879] ? lock_downgrade+0x900/0x900 [ 227.238027] ? finish_task_switch+0x1b5/0x900 [ 227.242526] ? trace_hardirqs_on+0xbd/0x310 [ 227.246852] ? kasan_check_read+0x11/0x20 [ 227.250999] ? finish_task_switch+0x1f5/0x900 [ 227.255926] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.261374] ? compat_start_thread+0x80/0x80 [ 227.265791] ? pvclock_read_flags+0x160/0x160 [ 227.270290] ? __switch_to_asm+0x34/0x70 [ 227.274346] ? __switch_to_asm+0x34/0x70 [ 227.278405] ? __switch_to_asm+0x40/0x70 [ 227.282461] ? __switch_to_asm+0x40/0x70 [ 227.286520] ? __switch_to_asm+0x34/0x70 [ 227.290574] ? __switch_to_asm+0x40/0x70 [ 227.294634] ? trace_hardirqs_on+0xbd/0x310 [ 227.298951] ? kvm_sched_clock_read+0x9/0x20 [ 227.303379] ? run_ksoftirqd+0x94/0x100 [ 227.307353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.312891] ? check_preemption_disabled+0x48/0x200 [ 227.317908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.323447] run_timer_softirq+0x52/0xb0 [ 227.327507] ? __this_cpu_preempt_check+0x1c/0x1f [ 227.332350] __do_softirq+0x30b/0xad8 [ 227.336161] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.341270] ? schedule+0x108/0x460 [ 227.344899] ? trace_hardirqs_off+0xb8/0x310 [ 227.349308] ? smpboot_thread_fn+0x68b/0xa00 [ 227.353715] ? trace_hardirqs_on+0x310/0x310 [ 227.358127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.363665] ? check_preemption_disabled+0x48/0x200 [ 227.368702] ? takeover_tasklets+0xa90/0xa90 [ 227.373109] run_ksoftirqd+0x94/0x100 [ 227.376907] smpboot_thread_fn+0x68b/0xa00 [ 227.381141] ? sort_range+0x30/0x30 [ 227.384765] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.389870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.395405] ? __kthread_parkme+0xfb/0x1a0 [ 227.400164] kthread+0x35a/0x420 [ 227.404506] ? sort_range+0x30/0x30 [ 227.408132] ? kthread_bind+0x40/0x40 [ 227.411932] ret_from_fork+0x3a/0x50 [ 227.415652] warn_alloc_show_mem: 1 callbacks suppressed [ 227.415664] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 227.415666] Mem-Info: [ 227.415697] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 227.415697] active_file:16 inactive_file:13 isolated_file:0 [ 227.415697] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.415697] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 227.415697] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 227.415697] free:13630 free_pcp:242 free_cma:0 [ 227.421041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.428407] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.430807] Call Trace: [ 227.463684] Node 0 [ 227.473029] [ 227.500534] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 227.503226] dump_stack+0x1c4/0x2b4 [ 227.505434] lowmem_reserve[]: [ 227.507583] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.533800] 0 2819 [ 227.538236] warn_alloc.cold.119+0xb7/0x1bd [ 227.541310] 6323 [ 227.546501] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.548714] 6323 [ 227.553050] ? lock_downgrade+0x900/0x900 [ 227.559938] ? trace_hardirqs_off+0xb8/0x310 [ 227.561975] Node 0 [ 227.566116] ? trace_hardirqs_off+0xb8/0x310 [ 227.570527] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 227.572735] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.577116] lowmem_reserve[]: [ 227.604715] ? warn_alloc+0x120/0x120 [ 227.609523] 0 [ 227.612795] ? warn_alloc+0x120/0x120 [ 227.616571] 0 [ 227.618374] ? warn_alloc+0x120/0x120 [ 227.622150] 3503 [ 227.623953] ? mark_held_locks+0x130/0x130 [ 227.627727] 3503 [ 227.629787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.636059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.641569] Node 0 [ 227.647108] ? should_fail+0x22d/0xd01 [ 227.647142] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 227.647149] lowmem_reserve[]: [ 227.649386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.654136] 0 [ 227.682603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.685685] 0 [ 227.690788] ? should_fail+0x22d/0xd01 [ 227.692566] 0 [ 227.698628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.701071] 0 [ 227.705131] ? should_fail+0x22d/0xd01 [ 227.712014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.713792] Node 0 [ 227.717674] ? mark_held_locks+0x130/0x130 [ 227.722753] DMA: [ 227.724988] ? mark_held_locks+0x130/0x130 [ 227.729196] 1*4kB [ 227.731256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.735465] (U) [ 227.737613] ? trace_hardirqs_off+0xb8/0x310 [ 227.743119] 0*8kB 0*16kB [ 227.745099] ? kasan_check_read+0x11/0x20 [ 227.749573] 1*32kB [ 227.752328] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.756450] (U) [ 227.758684] ? trace_hardirqs_on+0x310/0x310 [ 227.763071] 2*64kB [ 227.765044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.769428] (U) [ 227.771661] ? wq_watchdog_touch+0x9c/0xfe [ 227.777177] 1*128kB [ 227.779152] ? io_serial_in+0x11/0x90 [ 227.783361] (U) [ 227.785683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.789458] 1*256kB [ 227.791432] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.796944] (U) [ 227.799271] __alloc_pages_nodemask+0xa80/0xde0 [ 227.804351] 0*512kB [ 227.806321] ? should_fail+0x22d/0xd01 [ 227.806347] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.810992] 1*1024kB [ 227.813320] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.817172] (U) [ 227.822182] ? lock_downgrade+0x900/0x900 [ 227.824568] 1*2048kB [ 227.829854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.832239] (M) [ 227.837258] cache_grow_begin+0x91/0x8c0 [ 227.840164] 3*4096kB [ 227.846398] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.848610] (M) [ 227.853364] fallback_alloc+0x203/0x2e0 [ 227.856096] = 15908kB [ 227.861301] ____cache_alloc_node+0x1c7/0x1e0 [ 227.863427] Node 0 [ 227.867397] kmem_cache_alloc_node+0xe3/0x730 [ 227.869782] DMA32: [ 227.874272] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.876487] 4*4kB [ 227.880978] __alloc_skb+0x119/0x770 [ 227.883188] (M) [ 227.887416] ? skb_scrub_packet+0x490/0x490 [ 227.889542] 0*8kB [ 227.893254] ? lock_downgrade+0x900/0x900 [ 227.895199] 2*16kB (M) [ 227.899529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.901652] 2*32kB [ 227.905798] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.908364] (M) [ 227.913904] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.916121] 5*64kB [ 227.921575] ? addrconf_rs_timer+0x690/0x690 [ 227.923523] (UM) [ 227.928988] ndisc_alloc_skb+0x144/0x340 [ 227.931197] 3*128kB [ 227.935604] ndisc_send_rs+0x331/0x6e0 [ 227.937638] (M) [ 227.941699] addrconf_rs_timer+0x314/0x690 [ 227.943999] 4*256kB [ 227.947879] ? can_stat_update+0x59a/0xa60 [ 227.949839] (UM) [ 227.954069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.956365] 3*512kB (M) [ 227.960620] call_timer_fn+0x272/0x920 [ 227.962671] 3*1024kB [ 227.966911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.969562] (UM) [ 227.973468] ? process_timeout+0x40/0x40 [ 227.975883] 1*2048kB [ 227.980114] ? trace_hardirqs_off+0xb8/0x310 [ 227.982151] (M) [ 227.986204] ? kasan_check_read+0x11/0x20 [ 227.988593] 4*4096kB [ 227.992996] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.994943] (M) [ 227.999088] ? trace_hardirqs_on+0x310/0x310 [ 228.001475] = 24880kB [ 228.005887] ? __run_timers+0x7da/0xc70 [ 228.007850] Node 0 [ 228.012256] ? lock_downgrade+0x900/0x900 [ 228.014640] Normal: [ 228.018607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.020829] 719*4kB [ 228.025402] ? trace_hardirqs_on+0xbd/0x310 [ 228.027703] (ME) [ 228.032798] ? kasan_check_read+0x11/0x20 [ 228.035096] 385*8kB [ 228.039413] ? __run_timers+0x7da/0xc70 [ 228.041448] (UME) [ 228.045592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.047896] 182*16kB [ 228.051866] ? kasan_check_write+0x14/0x20 [ 228.053992] (ME) [ 228.059443] ? do_raw_spin_lock+0xc1/0x200 [ 228.061841] 99*32kB [ 228.066068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.068112] (UME) [ 228.072521] __run_timers+0x7e5/0xc70 [ 228.074851] 27*64kB [ 228.079087] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.081208] (UM) [ 228.085006] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.087304] 0*128kB [ 228.092658] ? rcu_bh_qs+0xc0/0xc0 [ 228.094697] 0*256kB [ 228.099971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.102271] 0*512kB [ 228.105810] ? check_preemption_disabled+0x48/0x200 [ 228.108116] 0*1024kB [ 228.113647] ? rcu_nmi_exit+0xdb/0x280 [ 228.115951] 0*2048kB [ 228.120960] ? ret_from_intr+0xb/0x1e [ 228.123340] 0*4096kB = 13764kB [ 228.127231] ? retint_kernel+0x2d/0x2d [ 228.129626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.133418] ? trace_hardirqs_on_caller+0xc0/0x310 [ 228.136590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.140466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.149274] 148 total pagecache pages [ 228.154198] ? trace_hardirqs_off+0x310/0x310 [ 228.162751] 0 pages in swap cache [ 228.167505] ? check_preemption_disabled+0x48/0x200 [ 228.171280] Swap cache stats: add 0, delete 0, find 0/0 [ 228.175768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.179192] Free swap = 0kB [ 228.184207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.189543] Total swap = 0kB [ 228.195076] ? retint_kernel+0x2d/0x2d [ 228.198070] 1965979 pages RAM [ 228.202837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.205849] 0 pages HighMem/MovableOnly [ 228.209738] ? check_preemption_disabled+0x48/0x200 [ 228.212828] 342307 pages reserved [ 228.218397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.222338] 0 pages cma reserved [ 228.222403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.227362] run_timer_softirq+0x52/0xb0 [ 228.230882] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.236343] ? __this_cpu_preempt_check+0x1c/0x1f [ 228.239675] ksoftirqd/0 cpuset= [ 228.246165] __do_softirq+0x30b/0xad8 [ 228.250197] / [ 228.260504] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.265323] mems_allowed=0 [ 228.268600] ? pvclock_read_flags+0x160/0x160 [ 228.286556] ? lapic_next_event+0x5a/0x90 [ 228.290702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.296238] ? clockevents_program_event+0x140/0x370 [ 228.302475] ? kvm_clock_read+0x18/0x30 [ 228.307143] ? kvm_sched_clock_read+0x9/0x20 [ 228.312506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.318304] ? check_preemption_disabled+0x48/0x200 [ 228.323337] irq_exit+0x17f/0x1c0 [ 228.326792] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.331638] ? smp_reschedule_interrupt+0x109/0x650 [ 228.336657] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.342544] ? interrupt_entry+0xb5/0xf0 [ 228.346608] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.351622] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.356635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.361473] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.366497] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.371520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.377060] ? check_preemption_disabled+0x48/0x200 [ 228.382073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.387612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.392460] apic_timer_interrupt+0xf/0x20 [ 228.396685] [ 228.398922] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.403967] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 228.422868] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 228.430748] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 228.438531] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 228.445796] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 228.453067] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 228.460329] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 228.467616] ? trace_hardirqs_on+0xb4/0x310 [ 228.471949] skb_clone+0x1bb/0x500 [ 228.475493] ? finish_task_switch+0x2f5/0x900 [ 228.479991] ? skb_split+0x11e0/0x11e0 [ 228.483882] ? preempt_notifier_register+0x200/0x200 [ 228.488984] ? __switch_to_asm+0x34/0x70 [ 228.493045] ? __switch_to_asm+0x34/0x70 [ 228.497102] ? __switch_to_asm+0x40/0x70 [ 228.501158] ? __switch_to_asm+0x34/0x70 [ 228.505390] ? __switch_to_asm+0x40/0x70 [ 228.510345] ? __switch_to_asm+0x34/0x70 [ 228.514412] ? __switch_to_asm+0x40/0x70 [ 228.518484] ? __switch_to_asm+0x34/0x70 [ 228.522571] ? __switch_to_asm+0x34/0x70 [ 228.526627] ? __switch_to_asm+0x40/0x70 [ 228.530682] ? __switch_to_asm+0x34/0x70 [ 228.534751] bpf_clone_redirect+0xb9/0x490 [ 228.538986] ? __schedule+0x874/0x1ed0 [ 228.542877] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 228.547896] ? __sched_text_start+0x8/0x8 [ 228.552155] ? retint_kernel+0x2d/0x2d [ 228.556302] ? retint_kernel+0x2d/0x2d [ 228.560197] ? trace_hardirqs_on_caller+0xc0/0x310 [ 228.565123] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.569877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.574631] ? trace_hardirqs_off+0x310/0x310 [ 228.579131] ? lock_acquire+0x1ed/0x520 [ 228.583101] ? bpf_test_run+0x32e/0x5a0 [ 228.587078] ? lock_release+0x970/0x970 [ 228.591051] ? preempt_schedule+0x4d/0x60 [ 228.595197] ? preempt_schedule_common+0x1f/0xd0 [ 228.599950] ? preempt_schedule+0x4d/0x60 [ 228.604099] ? ___preempt_schedule+0x16/0x18 [ 228.608510] ? bpf_test_run+0x1c0/0x5a0 [ 228.612490] ? netlink_diag_dump+0x2a0/0x2a0 [ 228.616899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.622435] ? bpf_test_init.isra.9+0x70/0x100 [ 228.627022] ? bpf_prog_test_run_skb+0x634/0xb40 [ 228.631782] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.636623] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.642156] ? fput+0x130/0x1a0 [ 228.645437] ? __bpf_prog_get+0x9b/0x290 [ 228.649497] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.654352] ? bpf_prog_test_run+0x130/0x1a0 [ 228.658759] ? __x64_sys_bpf+0x3d8/0x510 [ 228.662826] ? bpf_prog_get+0x20/0x20 [ 228.666637] ? do_syscall_64+0x1b9/0x820 [ 228.670695] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.676056] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.680984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.685834] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.691304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.696325] ? prepare_exit_to_usermode+0x291/0x3b0 [ 228.701701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.706554] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.711927] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 228.711980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.718686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.718695] Call Trace: [ 228.725257] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.734529] dump_stack+0x1c4/0x2b4 [ 228.737090] syz-executor0 cpuset= [ 228.747572] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.751174] syz0 [ 228.754628] warn_alloc.cold.119+0xb7/0x1bd [ 228.759790] mems_allowed=0 [ 228.761763] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.773812] ? lock_downgrade+0x900/0x900 [ 228.777988] ? trace_hardirqs_off+0xb8/0x310 [ 228.782396] ? trace_hardirqs_off+0xb8/0x310 [ 228.786809] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.791680] ? warn_alloc+0x120/0x120 [ 228.795484] ? warn_alloc+0x120/0x120 [ 228.799283] ? warn_alloc+0x120/0x120 [ 228.803080] ? mark_held_locks+0x130/0x130 [ 228.807326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.813048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.818587] ? should_fail+0x22d/0xd01 [ 228.822477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.827579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.833115] ? should_fail+0x22d/0xd01 [ 228.837006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.842105] ? should_fail+0x22d/0xd01 [ 228.845996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.851097] ? mark_held_locks+0x130/0x130 [ 228.855331] ? mark_held_locks+0x130/0x130 [ 228.859567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.865104] ? trace_hardirqs_off+0xb8/0x310 [ 228.869511] ? kasan_check_read+0x11/0x20 [ 228.873850] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.878271] ? trace_hardirqs_on+0x310/0x310 [ 228.882677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.888215] ? wq_watchdog_touch+0x9c/0xfe [ 228.892448] ? io_serial_in+0x11/0x90 [ 228.896249] ? retint_kernel+0x2d/0x2d [ 228.900137] ? trace_hardirqs_on_caller+0xc0/0x310 [ 228.905067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.909838] ? trace_hardirqs_off+0x310/0x310 [ 228.914504] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.919612] __alloc_pages_nodemask+0xa80/0xde0 [ 228.924310] ? should_fail+0x22d/0xd01 [ 228.928196] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.933228] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.938417] ? lock_downgrade+0x900/0x900 [ 228.942568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.948106] cache_grow_begin+0x91/0x8c0 [ 228.952167] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.956580] fallback_alloc+0x203/0x2e0 [ 228.960558] ____cache_alloc_node+0x1c7/0x1e0 [ 228.965053] kmem_cache_alloc_node+0xe3/0x730 [ 228.969810] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.974061] __alloc_skb+0x119/0x770 [ 228.977775] ? skb_scrub_packet+0x490/0x490 [ 228.982092] ? lock_downgrade+0x900/0x900 [ 228.986244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.991781] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.997234] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.002683] ? addrconf_rs_timer+0x690/0x690 [ 229.007099] ndisc_alloc_skb+0x144/0x340 [ 229.011164] ndisc_send_rs+0x331/0x6e0 [ 229.015053] addrconf_rs_timer+0x314/0x690 [ 229.019287] ? lock_release+0x970/0x970 [ 229.023260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.027588] call_timer_fn+0x272/0x920 [ 229.031475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.035710] ? process_timeout+0x40/0x40 [ 229.039780] ? kasan_check_read+0x11/0x20 [ 229.043931] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.048336] ? trace_hardirqs_on+0x310/0x310 [ 229.052744] ? __run_timers+0x7da/0xc70 [ 229.056721] ? lock_downgrade+0x900/0x900 [ 229.060877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.065979] ? trace_hardirqs_on+0xbd/0x310 [ 229.070297] ? kasan_check_read+0x11/0x20 [ 229.074444] ? __run_timers+0x7da/0xc70 [ 229.078416] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.083863] ? kasan_check_write+0x14/0x20 [ 229.088095] ? do_raw_spin_lock+0xc1/0x200 [ 229.092332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.096568] __run_timers+0x7e5/0xc70 [ 229.100375] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.105749] ? lock_downgrade+0x900/0x900 [ 229.109899] ? finish_task_switch+0x1b5/0x900 [ 229.114399] ? trace_hardirqs_on+0xbd/0x310 [ 229.118720] ? kasan_check_read+0x11/0x20 [ 229.123573] ? finish_task_switch+0x1f5/0x900 [ 229.128768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.134217] ? compat_start_thread+0x80/0x80 [ 229.138632] ? pvclock_read_flags+0x160/0x160 [ 229.143126] ? __switch_to_asm+0x34/0x70 [ 229.147189] ? __switch_to_asm+0x34/0x70 [ 229.151245] ? __switch_to_asm+0x40/0x70 [ 229.155313] ? __switch_to_asm+0x40/0x70 [ 229.159367] ? __switch_to_asm+0x34/0x70 [ 229.163422] ? __switch_to_asm+0x40/0x70 [ 229.167486] ? trace_hardirqs_on+0xbd/0x310 [ 229.171802] ? kvm_sched_clock_read+0x9/0x20 [ 229.176225] ? run_ksoftirqd+0x94/0x100 [ 229.180201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.185736] ? check_preemption_disabled+0x48/0x200 [ 229.190751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.196295] run_timer_softirq+0x52/0xb0 [ 229.200357] ? __this_cpu_preempt_check+0x1c/0x1f [ 229.205200] __do_softirq+0x30b/0xad8 [ 229.209006] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.214397] ? schedule+0x108/0x460 [ 229.218553] ? trace_hardirqs_off+0xb8/0x310 [ 229.222959] ? smpboot_thread_fn+0x68b/0xa00 [ 229.227370] ? trace_hardirqs_on+0x310/0x310 [ 229.231777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.237314] ? check_preemption_disabled+0x48/0x200 [ 229.242355] ? takeover_tasklets+0xa90/0xa90 [ 229.246763] run_ksoftirqd+0x94/0x100 [ 229.250564] smpboot_thread_fn+0x68b/0xa00 [ 229.254800] ? sort_range+0x30/0x30 [ 229.258452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.263566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.269101] ? __kthread_parkme+0xfb/0x1a0 [ 229.273342] kthread+0x35a/0x420 [ 229.276707] ? sort_range+0x30/0x30 [ 229.280330] ? kthread_bind+0x40/0x40 [ 229.284135] ret_from_fork+0x3a/0x50 [ 229.287873] warn_alloc_show_mem: 1 callbacks suppressed [ 229.287885] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 229.287887] Mem-Info: [ 229.287928] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 229.287928] active_file:16 inactive_file:13 isolated_file:0 [ 229.287928] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.287928] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 229.287928] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 229.287928] free:13630 free_pcp:242 free_cma:0 [ 229.293272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.300462] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 229.302870] Call Trace: [ 229.336780] Node 0 [ 229.346129] [ 229.375914] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 229.378486] dump_stack+0x1c4/0x2b4 [ 229.380697] lowmem_reserve[]: [ 229.382862] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.408850] 0 2819 [ 229.412524] warn_alloc.cold.119+0xb7/0x1bd [ 229.415599] 6323 [ 229.420791] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.423003] 6323 [ 229.427325] ? lock_downgrade+0x900/0x900 [ 229.434210] ? trace_hardirqs_off+0xb8/0x310 [ 229.436250] Node 0 [ 229.440395] ? trace_hardirqs_off+0xb8/0x310 [ 229.444802] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 229.447099] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.451654] lowmem_reserve[]: [ 229.479962] ? warn_alloc+0x120/0x120 [ 229.484770] 0 [ 229.487874] ? trace_hardirqs_on+0x310/0x310 [ 229.491648] 0 [ 229.493446] ? warn_alloc+0x120/0x120 [ 229.497839] 3503 [ 229.499638] ? warn_alloc+0x120/0x120 [ 229.503416] 3503 [ 229.505475] ? ktime_get+0x2e1/0x440 [ 229.509434] Node 0 [ 229.511503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.515216] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 229.517425] ? check_preemption_disabled+0x48/0x200 [ 229.522932] lowmem_reserve[]: [ 229.551392] ? kasan_check_read+0x11/0x20 [ 229.556386] 0 [ 229.559492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.563612] 0 [ 229.565410] ? should_fail+0x22d/0xd01 [ 229.570920] 0 [ 229.572721] ? rcu_bh_qs+0xc0/0xc0 [ 229.576584] 0 [ 229.578389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.584367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.589620] Node 0 DMA: [ 229.595154] ? should_fail+0x22d/0xd01 [ 229.595171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.597837] 1*4kB [ 229.601718] ? should_fail+0x22d/0xd01 [ 229.606797] (U) [ 229.608952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.612812] 0*8kB 0*16kB [ 229.614810] ? mark_held_locks+0x130/0x130 [ 229.619899] 1*32kB [ 229.622656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.626861] (U) [ 229.629443] ? mark_held_locks+0x130/0x130 [ 229.634955] 2*64kB [ 229.636928] ? rcu_irq_exit+0xce/0x100 [ 229.641136] (U) [ 229.643371] ? irq_exit+0xbd/0x1c0 [ 229.647246] 1*128kB [ 229.649223] ? mark_held_locks+0x130/0x130 [ 229.652736] (U) [ 229.655066] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.659271] 1*256kB [ 229.661247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.667109] (U) [ 229.669437] ? ret_from_intr+0xb/0x1e [ 229.674948] 0*512kB [ 229.676919] ? retint_kernel+0x2d/0x2d [ 229.680695] 1*1024kB [ 229.683014] ? trace_hardirqs_on_caller+0xc0/0x310 [ 229.686877] (U) [ 229.689288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.695153] 1*2048kB [ 229.697473] ? trace_hardirqs_off+0x310/0x310 [ 229.702200] (M) [ 229.704608] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.709076] 3*4096kB [ 229.711049] __alloc_pages_nodemask+0xa80/0xde0 [ 229.716115] (M) = 15908kB [ 229.718559] ? should_fail+0x22d/0xd01 [ 229.723201] Node 0 [ 229.725957] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.729826] DMA32: [ 229.732075] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.737231] 4*4kB [ 229.740097] ? lock_downgrade+0x900/0x900 [ 229.744740] (M) [ 229.746885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.751006] 0*8kB [ 229.752983] cache_grow_begin+0x91/0x8c0 [ 229.758495] 2*16kB [ 229.760656] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.764689] (M) [ 229.766920] fallback_alloc+0x203/0x2e0 [ 229.771307] 2*32kB [ 229.773280] ____cache_alloc_node+0x1c7/0x1e0 [ 229.777226] (M) [ 229.779462] kmem_cache_alloc_node+0xe3/0x730 [ 229.783926] 5*64kB (UM) [ 229.785911] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.790382] 3*128kB [ 229.793148] __alloc_skb+0x119/0x770 [ 229.797357] (M) [ 229.800285] ? skb_scrub_packet+0x490/0x490 [ 229.803977] 4*256kB [ 229.805951] ? lock_downgrade+0x900/0x900 [ 229.810248] (UM) [ 229.812570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.816693] 3*512kB [ 229.818755] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.824441] (M) [ 229.826780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.832204] 3*1024kB (UM) [ 229.834189] ? addrconf_rs_timer+0x690/0x690 [ 229.839614] 1*2048kB [ 229.842455] ndisc_alloc_skb+0x144/0x340 [ 229.846848] (M) [ 229.849259] ndisc_send_rs+0x331/0x6e0 [ 229.853297] 4*4096kB [ 229.855269] addrconf_rs_timer+0x314/0x690 [ 229.859133] (M) [ 229.861546] ? can_stat_update+0x59a/0xa60 [ 229.865753] = 24880kB [ 229.867722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.871932] Node 0 [ 229.874346] call_timer_fn+0x272/0x920 [ 229.878548] Normal: [ 229.880782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.884643] 719*4kB [ 229.886963] ? process_timeout+0x40/0x40 [ 229.891170] (ME) [ 229.893491] ? trace_hardirqs_off+0xb8/0x310 [ 229.897524] 385*8kB [ 229.899581] ? kasan_check_read+0x11/0x20 [ 229.903963] (UME) [ 229.906283] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.910402] 182*16kB [ 229.912544] ? trace_hardirqs_on+0x310/0x310 [ 229.916928] (ME) [ 229.919343] ? __run_timers+0x7da/0xc70 [ 229.923721] 99*32kB [ 229.925780] ? lock_downgrade+0x900/0x900 [ 229.929728] (UME) [ 229.932051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.936173] 27*64kB [ 229.938317] ? trace_hardirqs_on+0xbd/0x310 [ 229.943393] (UM) [ 229.945709] ? kasan_check_read+0x11/0x20 [ 229.950006] 0*128kB [ 229.952064] ? __run_timers+0x7da/0xc70 [ 229.956185] 0*256kB [ 229.958504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.962457] 0*512kB [ 229.964776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.970216] 0*1024kB [ 229.972538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.978059] 0*2048kB [ 229.980465] __run_timers+0x7e5/0xc70 [ 229.984678] 0*4096kB [ 229.987086] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.990863] = 13764kB [ 229.993274] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.998616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.001015] ? rcu_bh_qs+0xc0/0xc0 [ 230.006276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.015278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.018796] 148 total pagecache pages [ 230.027372] ? check_preemption_disabled+0x48/0x200 [ 230.032885] 0 pages in swap cache [ 230.037374] ? rcu_nmi_exit+0xdb/0x280 [ 230.042542] Swap cache stats: add 0, delete 0, find 0/0 [ 230.045988] ? ret_from_intr+0xb/0x1e [ 230.049854] Free swap = 0kB [ 230.055214] ? retint_kernel+0x2d/0x2d [ 230.058993] Total swap = 0kB [ 230.062004] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.065869] 1965979 pages RAM [ 230.068886] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.074839] 0 pages HighMem/MovableOnly [ 230.078202] ? trace_hardirqs_off+0x310/0x310 [ 230.082933] 342307 pages reserved [ 230.086904] ? check_preemption_disabled+0x48/0x200 [ 230.091372] 0 pages cma reserved [ 230.094830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.099891] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.103197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.108815] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.115200] ? retint_kernel+0x2d/0x2d [ 230.119932] ksoftirqd/0 cpuset= [ 230.130260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.134126] / [ 230.137405] ? check_preemption_disabled+0x48/0x200 [ 230.143080] mems_allowed=0 [ 230.145146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.159118] run_timer_softirq+0x52/0xb0 [ 230.163185] ? __this_cpu_preempt_check+0x1c/0x1f [ 230.168033] __do_softirq+0x30b/0xad8 [ 230.171850] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.176961] ? pvclock_read_flags+0x160/0x160 [ 230.181453] ? lapic_next_event+0x5a/0x90 [ 230.185601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.191143] ? clockevents_program_event+0x140/0x370 [ 230.196248] ? kvm_clock_read+0x18/0x30 [ 230.200223] ? kvm_sched_clock_read+0x9/0x20 [ 230.204630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.210347] ? check_preemption_disabled+0x48/0x200 [ 230.215376] irq_exit+0x17f/0x1c0 [ 230.218840] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.223685] ? smp_reschedule_interrupt+0x109/0x650 [ 230.228699] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.234581] ? interrupt_entry+0xb5/0xf0 [ 230.238641] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.243657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.248673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.253514] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.258526] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.263546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.269085] ? check_preemption_disabled+0x48/0x200 [ 230.274103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.279645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.284493] apic_timer_interrupt+0xf/0x20 [ 230.288726] [ 230.290966] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 230.295900] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 230.314805] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.322528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 230.329794] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 230.337068] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 230.344336] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 230.351600] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 230.358886] ? trace_hardirqs_on+0xb4/0x310 [ 230.363218] skb_clone+0x1bb/0x500 [ 230.366761] ? finish_task_switch+0x2f5/0x900 [ 230.371254] ? skb_split+0x11e0/0x11e0 [ 230.375142] ? preempt_notifier_register+0x200/0x200 [ 230.380418] ? __switch_to_asm+0x34/0x70 [ 230.384474] ? __switch_to_asm+0x34/0x70 [ 230.388532] ? __switch_to_asm+0x40/0x70 [ 230.392588] ? __switch_to_asm+0x34/0x70 [ 230.396995] ? __switch_to_asm+0x40/0x70 [ 230.401056] ? __switch_to_asm+0x34/0x70 [ 230.405221] ? __switch_to_asm+0x40/0x70 [ 230.409288] ? __switch_to_asm+0x34/0x70 [ 230.413523] ? __switch_to_asm+0x34/0x70 [ 230.417578] ? __switch_to_asm+0x40/0x70 [ 230.421631] ? __switch_to_asm+0x34/0x70 [ 230.425693] bpf_clone_redirect+0xb9/0x490 [ 230.429931] ? __schedule+0x874/0x1ed0 [ 230.433827] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 230.438857] ? __sched_text_start+0x8/0x8 [ 230.443003] ? retint_kernel+0x2d/0x2d [ 230.446887] ? retint_kernel+0x2d/0x2d [ 230.450775] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.455704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.460461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.465213] ? trace_hardirqs_off+0x310/0x310 [ 230.469709] ? lock_acquire+0x1ed/0x520 [ 230.473688] ? bpf_test_run+0x32e/0x5a0 [ 230.477661] ? lock_release+0x970/0x970 [ 230.481631] ? preempt_schedule+0x4d/0x60 [ 230.485781] ? preempt_schedule_common+0x1f/0xd0 [ 230.490536] ? preempt_schedule+0x4d/0x60 [ 230.494681] ? ___preempt_schedule+0x16/0x18 [ 230.499090] ? bpf_test_run+0x1c0/0x5a0 [ 230.503068] ? netlink_diag_dump+0x2a0/0x2a0 [ 230.507651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.513191] ? bpf_test_init.isra.9+0x70/0x100 [ 230.517774] ? bpf_prog_test_run_skb+0x634/0xb40 [ 230.522534] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.527375] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.533265] ? fput+0x130/0x1a0 [ 230.536543] ? __bpf_prog_get+0x9b/0x290 [ 230.540603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.545440] ? bpf_prog_test_run+0x130/0x1a0 [ 230.549858] ? __x64_sys_bpf+0x3d8/0x510 [ 230.553917] ? bpf_prog_get+0x20/0x20 [ 230.557725] ? do_syscall_64+0x1b9/0x820 [ 230.561801] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.567172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.572099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.576943] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.581957] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.586975] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.591991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.596847] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.602223] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 230.602276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.608987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.608992] Call Trace: [ 230.609013] dump_stack+0x1c4/0x2b4 [ 230.609032] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.615548] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.624875] warn_alloc.cold.119+0xb7/0x1bd [ 230.627433] syz-executor0 cpuset= [ 230.631054] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.636218] syz0 [ 230.646699] ? lock_downgrade+0x900/0x900 [ 230.651001] mems_allowed=0 [ 230.654449] ? trace_hardirqs_off+0xb8/0x310 [ 230.672670] ? trace_hardirqs_off+0xb8/0x310 [ 230.677084] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.681947] ? warn_alloc+0x120/0x120 [ 230.685747] ? warn_alloc+0x120/0x120 [ 230.689544] ? cpuacct_charge+0x265/0x440 [ 230.693687] ? warn_alloc+0x120/0x120 [ 230.697495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.703031] ? should_fail+0x22d/0xd01 [ 230.706915] ? lock_downgrade+0x900/0x900 [ 230.711066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.716166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.721788] ? should_fail+0x22d/0xd01 [ 230.725681] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.731479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.736590] ? should_fail+0x22d/0xd01 [ 230.740488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.745593] ? mark_held_locks+0x130/0x130 [ 230.749843] ? mark_held_locks+0x130/0x130 [ 230.754075] ? __account_cfs_rq_runtime+0x790/0x790 [ 230.759090] ? try_to_wake_up+0x10a/0x12f0 [ 230.763673] ? lock_downgrade+0x900/0x900 [ 230.767836] ? trace_hardirqs_off+0xb8/0x310 [ 230.772244] ? kasan_check_read+0x11/0x20 [ 230.776393] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.780802] ? trace_hardirqs_on+0x310/0x310 [ 230.785222] ? kasan_check_write+0x14/0x20 [ 230.789461] __alloc_pages_nodemask+0xa80/0xde0 [ 230.794127] ? should_fail+0x22d/0xd01 [ 230.798019] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.803050] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.807716] ? lock_downgrade+0x900/0x900 [ 230.811872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.817410] cache_grow_begin+0x91/0x8c0 [ 230.821492] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.825920] fallback_alloc+0x203/0x2e0 [ 230.829897] ____cache_alloc_node+0x1c7/0x1e0 [ 230.834396] kmem_cache_alloc_node+0xe3/0x730 [ 230.838891] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.843130] __alloc_skb+0x119/0x770 [ 230.846855] ? skb_scrub_packet+0x490/0x490 [ 230.851173] ? lock_downgrade+0x900/0x900 [ 230.855322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.861379] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.866840] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.872290] ? addrconf_rs_timer+0x690/0x690 [ 230.876707] ndisc_alloc_skb+0x144/0x340 [ 230.880767] ndisc_send_rs+0x331/0x6e0 [ 230.884657] addrconf_rs_timer+0x314/0x690 [ 230.888890] ? lock_release+0x970/0x970 [ 230.892870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.897113] call_timer_fn+0x272/0x920 [ 230.901000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.905239] ? process_timeout+0x40/0x40 [ 230.909294] ? kasan_check_read+0x11/0x20 [ 230.913439] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.917860] ? trace_hardirqs_on+0x310/0x310 [ 230.922293] ? __run_timers+0x7da/0xc70 [ 230.926271] ? lock_downgrade+0x900/0x900 [ 230.930416] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.935516] ? trace_hardirqs_on+0xbd/0x310 [ 230.939846] ? kasan_check_read+0x11/0x20 [ 230.943991] ? __run_timers+0x7da/0xc70 [ 230.947964] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.953412] ? kasan_check_write+0x14/0x20 [ 230.957646] ? do_raw_spin_lock+0xc1/0x200 [ 230.961900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.966133] __run_timers+0x7e5/0xc70 [ 230.969951] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.975310] ? lock_downgrade+0x900/0x900 [ 230.979457] ? finish_task_switch+0x1b5/0x900 [ 230.983956] ? trace_hardirqs_on+0xbd/0x310 [ 230.988271] ? kasan_check_read+0x11/0x20 [ 230.992418] ? finish_task_switch+0x1f5/0x900 [ 230.996915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.002362] ? compat_start_thread+0x80/0x80 [ 231.006780] ? pvclock_read_flags+0x160/0x160 [ 231.011272] ? __switch_to_asm+0x34/0x70 [ 231.015330] ? __switch_to_asm+0x34/0x70 [ 231.019563] ? __switch_to_asm+0x40/0x70 [ 231.023620] ? __switch_to_asm+0x40/0x70 [ 231.027678] ? __switch_to_asm+0x34/0x70 [ 231.031734] ? __switch_to_asm+0x40/0x70 [ 231.035798] ? trace_hardirqs_on+0xbd/0x310 [ 231.040129] ? kvm_sched_clock_read+0x9/0x20 [ 231.044535] ? run_ksoftirqd+0x94/0x100 [ 231.048689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.054399] ? check_preemption_disabled+0x48/0x200 [ 231.059415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.064959] run_timer_softirq+0x52/0xb0 [ 231.069045] ? __this_cpu_preempt_check+0x1c/0x1f [ 231.073902] __do_softirq+0x30b/0xad8 [ 231.077712] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.082838] ? schedule+0x108/0x460 [ 231.086474] ? trace_hardirqs_off+0xb8/0x310 [ 231.090886] ? smpboot_thread_fn+0x68b/0xa00 [ 231.095296] ? trace_hardirqs_on+0x310/0x310 [ 231.099884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.105429] ? check_preemption_disabled+0x48/0x200 [ 231.110450] ? takeover_tasklets+0xa90/0xa90 [ 231.114872] run_ksoftirqd+0x94/0x100 [ 231.118860] smpboot_thread_fn+0x68b/0xa00 [ 231.123103] ? sort_range+0x30/0x30 [ 231.126737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.131855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.137488] ? __kthread_parkme+0xfb/0x1a0 [ 231.142600] kthread+0x35a/0x420 [ 231.146403] ? sort_range+0x30/0x30 [ 231.150030] ? kthread_bind+0x40/0x40 [ 231.153845] ret_from_fork+0x3a/0x50 [ 231.157570] warn_alloc_show_mem: 1 callbacks suppressed [ 231.157582] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 231.157584] Mem-Info: [ 231.157615] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 231.157615] active_file:16 inactive_file:13 isolated_file:0 [ 231.157615] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.157615] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 231.157615] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 231.157615] free:13630 free_pcp:242 free_cma:0 [ 231.163836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.172340] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 231.174747] Call Trace: [ 231.207624] Node 0 [ 231.218206] [ 231.245725] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 231.248299] dump_stack+0x1c4/0x2b4 [ 231.250507] lowmem_reserve[]: [ 231.252657] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.278229] 0 2819 [ 231.281884] warn_alloc.cold.119+0xb7/0x1bd [ 231.284958] 6323 [ 231.290411] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.293095] 6323 [ 231.298290] ? lock_downgrade+0x900/0x900 [ 231.306564] ? trace_hardirqs_off+0xb8/0x310 [ 231.308605] Node 0 [ 231.312755] ? trace_hardirqs_off+0xb8/0x310 [ 231.317165] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 231.319377] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.323756] lowmem_reserve[]: [ 231.350774] ? warn_alloc+0x120/0x120 [ 231.355599] 0 [ 231.358713] ? lock_release+0x970/0x970 [ 231.362655] 0 [ 231.364716] ? warn_alloc+0x120/0x120 [ 231.369102] 3503 [ 231.370911] ? trace_hardirqs_on+0x310/0x310 [ 231.374686] 3503 [ 231.376745] ? warn_alloc+0x120/0x120 [ 231.383192] ? mark_held_locks+0x130/0x130 [ 231.386969] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 231.391235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.391254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.421501] lowmem_reserve[]: 0 [ 231.427401] ? should_fail+0x22d/0xd01 [ 231.432916] 0 [ 231.436193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.440055] 0 [ 231.441864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.446941] 0 [ 231.448738] ? should_fail+0x22d/0xd01 [ 231.456047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.459917] Node 0 [ 231.465016] ? should_fail+0x22d/0xd01 [ 231.465019] DMA: 1*4kB [ 231.467258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.471119] (U) 0*8kB [ 231.473714] ? mark_held_locks+0x130/0x130 [ 231.478795] 0*16kB [ 231.481298] ? mark_held_locks+0x130/0x130 [ 231.485504] 1*32kB (U) [ 231.487753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.491968] 2*64kB [ 231.494551] ? trace_hardirqs_off+0xb8/0x310 [ 231.501104] (U) [ 231.503516] ? kasan_check_read+0x11/0x20 [ 231.507902] 1*128kB [ 231.510368] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.514496] (U) [ 231.516825] ? trace_hardirqs_on+0x310/0x310 [ 231.521392] 1*256kB [ 231.523373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.527755] (U) [ 231.530074] ? wq_watchdog_touch+0x9c/0xfe [ 231.535588] 0*512kB [ 231.537561] ? io_serial_in+0x11/0x90 [ 231.541772] 1*1024kB [ 231.544091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.547870] (U) [ 231.550281] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.555794] 1*2048kB [ 231.557776] __alloc_pages_nodemask+0xa80/0xde0 [ 231.562856] (M) [ 231.565263] ? should_fail+0x22d/0xd01 [ 231.569911] 3*4096kB [ 231.571888] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.575750] (M) [ 231.578170] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.583164] = 15908kB [ 231.585145] ? lock_downgrade+0x900/0x900 [ 231.589962] Node 0 [ 231.592371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.596501] DMA32: [ 231.598739] cache_grow_begin+0x91/0x8c0 [ 231.604251] 4*4kB [ 231.606486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.610541] (M) [ 231.612689] fallback_alloc+0x203/0x2e0 [ 231.617075] 0*8kB [ 231.619051] ____cache_alloc_node+0x1c7/0x1e0 [ 231.623000] 2*16kB [ 231.625151] kmem_cache_alloc_node+0xe3/0x730 [ 231.629795] (M) [ 231.632126] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.636595] 2*32kB [ 231.638568] __alloc_skb+0x119/0x770 [ 231.642780] (M) [ 231.645014] ? skb_scrub_packet+0x490/0x490 [ 231.648705] 5*64kB [ 231.650676] ? lock_downgrade+0x900/0x900 [ 231.654971] (UM) [ 231.657206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.661329] 3*128kB [ 231.663395] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.668915] (M) [ 231.671236] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.676856] 4*256kB [ 231.678840] ? addrconf_rs_timer+0x690/0x690 [ 231.684287] (UM) 3*512kB [ 231.686798] ndisc_alloc_skb+0x144/0x340 [ 231.691440] (M) [ 231.694195] ndisc_send_rs+0x331/0x6e0 [ 231.698234] 3*1024kB [ 231.700208] addrconf_rs_timer+0x314/0x690 [ 231.704069] (UM) [ 231.706478] ? can_stat_update+0x59a/0xa60 [ 231.710731] 1*2048kB [ 231.712791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.717001] (M) [ 231.719414] call_timer_fn+0x272/0x920 [ 231.723622] 4*4096kB [ 231.725595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.729457] (M) [ 231.731868] ? process_timeout+0x40/0x40 [ 231.736104] = 24880kB [ 231.738080] ? trace_hardirqs_off+0xb8/0x310 [ 231.742292] Node 0 [ 231.744697] ? kasan_check_read+0x11/0x20 [ 231.749086] Normal: [ 231.751322] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.755446] 719*4kB [ 231.757766] ? trace_hardirqs_on+0x310/0x310 [ 231.762151] (ME) [ 231.764471] ? __run_timers+0x7da/0xc70 [ 231.769031] 385*8kB [ 231.771094] ? lock_downgrade+0x900/0x900 [ 231.775047] (UME) [ 231.777383] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.781507] 182*16kB [ 231.783652] ? trace_hardirqs_on+0xbd/0x310 [ 231.788728] (ME) [ 231.791488] ? kasan_check_read+0x11/0x20 [ 231.795963] 99*32kB [ 231.798024] ? __run_timers+0x7da/0xc70 [ 231.802145] (UME) [ 231.804465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.808409] 27*64kB (UM) [ 231.810564] ? kasan_check_write+0x14/0x20 [ 231.815995] 0*128kB [ 231.818754] ? do_raw_spin_lock+0xc1/0x200 [ 231.823310] 0*256kB [ 231.825638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.829852] 0*512kB [ 231.832280] __run_timers+0x7e5/0xc70 [ 231.836493] 0*1024kB [ 231.838853] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.842804] 0*2048kB [ 231.845225] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.850563] 0*4096kB [ 231.852967] ? rcu_bh_qs+0xc0/0xc0 [ 231.858220] = 13764kB [ 231.860801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.864333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.866746] ? check_preemption_disabled+0x48/0x200 [ 231.872828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.882183] ? rcu_nmi_exit+0xdb/0x280 [ 231.887176] 148 total pagecache pages [ 231.896785] ? ret_from_intr+0xb/0x1e [ 231.900838] 0 pages in swap cache [ 231.904628] ? retint_kernel+0x2d/0x2d [ 231.908410] Swap cache stats: add 0, delete 0, find 0/0 [ 231.911861] ? trace_hardirqs_on_caller+0xc0/0x310 [ 231.915724] Free swap = 0kB [ 231.921083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.925988] Total swap = 0kB [ 231.929005] ? trace_hardirqs_off+0x310/0x310 [ 231.933740] 1965979 pages RAM [ 231.936755] ? check_preemption_disabled+0x48/0x200 [ 231.941225] 0 pages HighMem/MovableOnly [ 231.944328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.949322] 342307 pages reserved [ 231.953300] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.958810] 0 pages cma reserved [ 231.962272] ? retint_kernel+0x2d/0x2d [ 231.967058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.970366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.970383] ? check_preemption_disabled+0x48/0x200 [ 231.970400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.974312] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.980759] run_timer_softirq+0x52/0xb0 [ 231.986269] ksoftirqd/0 cpuset= [ 231.991281] ? __this_cpu_preempt_check+0x1c/0x1f [ 231.996792] / [ 232.007111] __do_softirq+0x30b/0xad8 [ 232.011238] mems_allowed=0 [ 232.014521] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.032857] ? pvclock_read_flags+0x160/0x160 [ 232.037700] ? lapic_next_event+0x5a/0x90 [ 232.041859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.048090] ? clockevents_program_event+0x140/0x370 [ 232.053199] ? kvm_clock_read+0x18/0x30 [ 232.057173] ? kvm_sched_clock_read+0x9/0x20 [ 232.061580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.067121] ? check_preemption_disabled+0x48/0x200 [ 232.072146] irq_exit+0x17f/0x1c0 [ 232.075606] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.080804] ? smp_reschedule_interrupt+0x109/0x650 [ 232.086711] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.093813] ? interrupt_entry+0xb5/0xf0 [ 232.098602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.103615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.108635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.113480] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.118493] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.123508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.129050] ? check_preemption_disabled+0x48/0x200 [ 232.134064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.139606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.144455] apic_timer_interrupt+0xf/0x20 [ 232.148684] [ 232.150922] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 232.155857] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 232.174754] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 232.182720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 232.189987] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 232.197257] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 232.204703] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 232.212316] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 232.219779] ? trace_hardirqs_on+0xb4/0x310 [ 232.224807] skb_clone+0x1bb/0x500 [ 232.229113] ? finish_task_switch+0x2f5/0x900 [ 232.233789] ? skb_split+0x11e0/0x11e0 [ 232.237689] ? preempt_notifier_register+0x200/0x200 [ 232.242794] ? __switch_to_asm+0x34/0x70 [ 232.246864] ? __switch_to_asm+0x34/0x70 [ 232.250928] ? __switch_to_asm+0x40/0x70 [ 232.254988] ? __switch_to_asm+0x34/0x70 [ 232.259050] ? __switch_to_asm+0x40/0x70 [ 232.263377] ? __switch_to_asm+0x34/0x70 [ 232.267437] ? __switch_to_asm+0x40/0x70 [ 232.271493] ? __switch_to_asm+0x34/0x70 [ 232.275565] ? __switch_to_asm+0x34/0x70 [ 232.279622] ? __switch_to_asm+0x40/0x70 [ 232.283688] ? __switch_to_asm+0x34/0x70 [ 232.287755] bpf_clone_redirect+0xb9/0x490 [ 232.291992] ? __schedule+0x874/0x1ed0 [ 232.295883] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 232.300903] ? __sched_text_start+0x8/0x8 [ 232.305053] ? retint_kernel+0x2d/0x2d [ 232.309116] ? retint_kernel+0x2d/0x2d [ 232.313359] ? trace_hardirqs_on_caller+0xc0/0x310 [ 232.318294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.323052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.327809] ? trace_hardirqs_off+0x310/0x310 [ 232.332356] ? lock_acquire+0x1ed/0x520 [ 232.336339] ? bpf_test_run+0x32e/0x5a0 [ 232.340403] ? lock_release+0x970/0x970 [ 232.344381] ? preempt_schedule+0x4d/0x60 [ 232.348620] ? preempt_schedule_common+0x1f/0xd0 [ 232.353902] ? preempt_schedule+0x4d/0x60 [ 232.358052] ? ___preempt_schedule+0x16/0x18 [ 232.362463] ? bpf_test_run+0x1c0/0x5a0 [ 232.366453] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.370864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.376399] ? bpf_test_init.isra.9+0x70/0x100 [ 232.380984] ? bpf_prog_test_run_skb+0x634/0xb40 [ 232.385744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.390597] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.396135] ? fput+0x130/0x1a0 [ 232.399594] ? __bpf_prog_get+0x9b/0x290 [ 232.403655] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.408500] ? bpf_prog_test_run+0x130/0x1a0 [ 232.412910] ? __x64_sys_bpf+0x3d8/0x510 [ 232.416971] ? bpf_prog_get+0x20/0x20 [ 232.420787] ? do_syscall_64+0x1b9/0x820 [ 232.424856] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.430224] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.435151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.439998] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.445013] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.450028] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.455047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.459897] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.465275] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 232.465328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.472036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.472041] Call Trace: [ 232.472061] dump_stack+0x1c4/0x2b4 [ 232.472080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.478601] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.487917] warn_alloc.cold.119+0xb7/0x1bd [ 232.490482] syz-executor0 cpuset= [ 232.494109] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.499789] syz0 mems_allowed=0 [ 232.512839] ? lock_downgrade+0x900/0x900 [ 232.533230] ? trace_hardirqs_off+0xb8/0x310 [ 232.537639] ? trace_hardirqs_off+0xb8/0x310 [ 232.542058] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.546918] ? warn_alloc+0x120/0x120 [ 232.550722] ? warn_alloc+0x120/0x120 [ 232.554522] ? warn_alloc+0x120/0x120 [ 232.558323] ? mark_held_locks+0x130/0x130 [ 232.562567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.568101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.573637] ? should_fail+0x22d/0xd01 [ 232.578221] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.584287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.589839] ? should_fail+0x22d/0xd01 [ 232.593733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.598844] ? should_fail+0x22d/0xd01 [ 232.602734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.607851] ? mark_held_locks+0x130/0x130 [ 232.612356] ? mark_held_locks+0x130/0x130 [ 232.616763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.622645] ? trace_hardirqs_off+0xb8/0x310 [ 232.627050] ? kasan_check_read+0x11/0x20 [ 232.631195] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.635604] ? trace_hardirqs_on+0x310/0x310 [ 232.640011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.645548] ? wq_watchdog_touch+0x9c/0xfe [ 232.649778] ? io_serial_in+0x11/0x90 [ 232.653576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.659119] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.664256] __alloc_pages_nodemask+0xa80/0xde0 [ 232.668922] ? should_fail+0x22d/0xd01 [ 232.672810] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.677869] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.682540] ? lock_downgrade+0x900/0x900 [ 232.686690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.692317] cache_grow_begin+0x91/0x8c0 [ 232.696384] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.700794] fallback_alloc+0x203/0x2e0 [ 232.704786] ____cache_alloc_node+0x1c7/0x1e0 [ 232.709292] kmem_cache_alloc_node+0xe3/0x730 [ 232.713788] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.718035] __alloc_skb+0x119/0x770 [ 232.721753] ? skb_scrub_packet+0x490/0x490 [ 232.726069] ? lock_downgrade+0x900/0x900 [ 232.730221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.735759] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.741207] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.746660] ? addrconf_rs_timer+0x690/0x690 [ 232.751073] ndisc_alloc_skb+0x144/0x340 [ 232.755140] ndisc_send_rs+0x331/0x6e0 [ 232.759032] addrconf_rs_timer+0x314/0x690 [ 232.763265] ? lock_release+0x970/0x970 [ 232.767238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.771479] call_timer_fn+0x272/0x920 [ 232.775367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.779599] ? process_timeout+0x40/0x40 [ 232.783659] ? kasan_check_read+0x11/0x20 [ 232.788331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.792842] ? trace_hardirqs_on+0x310/0x310 [ 232.797255] ? __run_timers+0x7da/0xc70 [ 232.801231] ? lock_downgrade+0x900/0x900 [ 232.805423] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.810534] ? trace_hardirqs_on+0xbd/0x310 [ 232.814859] ? kasan_check_read+0x11/0x20 [ 232.819009] ? __run_timers+0x7da/0xc70 [ 232.823020] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.828472] ? kasan_check_write+0x14/0x20 [ 232.832738] ? do_raw_spin_lock+0xc1/0x200 [ 232.836976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.841214] __run_timers+0x7e5/0xc70 [ 232.845025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.850393] ? lock_downgrade+0x900/0x900 [ 232.855330] ? finish_task_switch+0x1b5/0x900 [ 232.860003] ? trace_hardirqs_on+0xbd/0x310 [ 232.864333] ? kasan_check_read+0x11/0x20 [ 232.868486] ? finish_task_switch+0x1f5/0x900 [ 232.873004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.878455] ? compat_start_thread+0x80/0x80 [ 232.882880] ? pvclock_read_flags+0x160/0x160 [ 232.887375] ? __switch_to_asm+0x34/0x70 [ 232.891435] ? __switch_to_asm+0x34/0x70 [ 232.895490] ? __switch_to_asm+0x40/0x70 [ 232.899547] ? __switch_to_asm+0x40/0x70 [ 232.903608] ? __switch_to_asm+0x34/0x70 [ 232.907668] ? __switch_to_asm+0x40/0x70 [ 232.911904] ? trace_hardirqs_on+0xbd/0x310 [ 232.916225] ? kvm_sched_clock_read+0x9/0x20 [ 232.920649] ? run_ksoftirqd+0x94/0x100 [ 232.924635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.930172] ? check_preemption_disabled+0x48/0x200 [ 232.935184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.940727] run_timer_softirq+0x52/0xb0 [ 232.944787] ? __this_cpu_preempt_check+0x1c/0x1f [ 232.949636] __do_softirq+0x30b/0xad8 [ 232.953444] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.958554] ? schedule+0x108/0x460 [ 232.962191] ? trace_hardirqs_off+0xb8/0x310 [ 232.966597] ? smpboot_thread_fn+0x68b/0xa00 [ 232.971441] ? trace_hardirqs_on+0x310/0x310 [ 232.976544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.982082] ? check_preemption_disabled+0x48/0x200 [ 232.987098] ? takeover_tasklets+0xa90/0xa90 [ 232.991508] run_ksoftirqd+0x94/0x100 [ 232.995307] smpboot_thread_fn+0x68b/0xa00 [ 232.999544] ? sort_range+0x30/0x30 [ 233.003171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.008276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.013812] ? __kthread_parkme+0xfb/0x1a0 [ 233.018067] kthread+0x35a/0x420 [ 233.021433] ? sort_range+0x30/0x30 [ 233.025055] ? kthread_bind+0x40/0x40 [ 233.028865] ret_from_fork+0x3a/0x50 [ 233.032588] warn_alloc_show_mem: 1 callbacks suppressed [ 233.032601] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 233.032603] Mem-Info: [ 233.032632] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 233.032632] active_file:16 inactive_file:13 isolated_file:0 [ 233.032632] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.032632] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 233.032632] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 233.032632] free:13630 free_pcp:242 free_cma:0 [ 233.038508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.046677] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.049081] Call Trace: [ 233.082040] Node 0 [ 233.091416] [ 233.118938] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 233.121509] dump_stack+0x1c4/0x2b4 [ 233.123714] lowmem_reserve[]: [ 233.125873] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.151352] 0 [ 233.154982] warn_alloc.cold.119+0xb7/0x1bd [ 233.158057] 2819 [ 233.163244] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.165020] 6323 [ 233.169347] ? lock_downgrade+0x900/0x900 [ 233.171382] 6323 [ 233.176219] ? trace_hardirqs_off+0xb8/0x310 [ 233.182396] ? trace_hardirqs_off+0xb8/0x310 [ 233.184439] Node 0 [ 233.188854] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.193706] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.196187] ? warn_alloc+0x120/0x120 [ 233.200993] lowmem_reserve[]: [ 233.227966] ? warn_alloc+0x120/0x120 [ 233.231748] 0 [ 233.234853] ? warn_alloc+0x120/0x120 [ 233.238631] 0 [ 233.240433] ? mark_held_locks+0x130/0x130 [ 233.244383] 3503 [ 233.246359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.250563] 3503 [ 233.252638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.258152] Node 0 [ 233.260214] ? should_fail+0x22d/0xd01 [ 233.265756] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 233.267969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.271843] lowmem_reserve[]: 0 [ 233.300925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.306004] 0 [ 233.309282] ? should_fail+0x22d/0xd01 [ 233.314794] 0 [ 233.316622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.320476] 0 [ 233.322634] ? should_fail+0x22d/0xd01 [ 233.327721] Node 0 [ 233.329528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.333484] DMA: [ 233.335718] ? mark_held_locks+0x130/0x130 [ 233.340795] 1*4kB [ 233.342861] ? mark_held_locks+0x130/0x130 [ 233.347075] (U) [ 233.349226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.353438] 0*8kB [ 233.355413] ? trace_hardirqs_off+0xb8/0x310 [ 233.360931] 0*16kB [ 233.363082] ? kasan_check_read+0x11/0x20 [ 233.367474] 1*32kB [ 233.369709] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.373836] (U) [ 233.376075] ? trace_hardirqs_on+0x310/0x310 [ 233.380453] 2*64kB (U) [ 233.382440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.386837] 1*128kB (U) [ 233.389428] ? wq_watchdog_touch+0x9c/0xfe [ 233.394943] 1*256kB [ 233.397607] ? io_serial_in+0x11/0x90 [ 233.402338] (U) [ 233.404665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.408459] 0*512kB 1*1024kB [ 233.410446] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.410468] __alloc_pages_nodemask+0xa80/0xde0 [ 233.415996] (U) [ 233.419102] ? should_fail+0x22d/0xd01 [ 233.424826] 1*2048kB [ 233.429497] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.431447] (M) [ 233.435349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.437726] 3*4096kB [ 233.442736] ? lock_downgrade+0x900/0x900 [ 233.445206] (M) [ 233.450043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.452431] = 15908kB [ 233.456572] cache_grow_begin+0x91/0x8c0 [ 233.458523] Node 0 [ 233.464051] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.466438] DMA32: [ 233.470496] fallback_alloc+0x203/0x2e0 [ 233.472710] 4*4kB [ 233.477111] ____cache_alloc_node+0x1c7/0x1e0 [ 233.479320] (M) 0*8kB [ 233.483309] kmem_cache_alloc_node+0xe3/0x730 [ 233.485429] 2*16kB (M) [ 233.489928] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.492403] 2*32kB [ 233.496892] __alloc_skb+0x119/0x770 [ 233.499458] (M) [ 233.503686] ? skb_scrub_packet+0x490/0x490 [ 233.505901] 5*64kB [ 233.509610] ? lock_downgrade+0x900/0x900 [ 233.511736] (UM) [ 233.516059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.518287] 3*128kB [ 233.522781] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.525348] (M) [ 233.531488] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.533791] 4*256kB [ 233.539247] ? addrconf_rs_timer+0x690/0x690 [ 233.541543] (UM) [ 233.547346] ndisc_alloc_skb+0x144/0x340 [ 233.549640] 3*512kB [ 233.554046] ndisc_send_rs+0x331/0x6e0 [ 233.556088] (M) [ 233.560147] addrconf_rs_timer+0x314/0x690 [ 233.562446] 3*1024kB [ 233.566337] ? can_stat_update+0x59a/0xa60 [ 233.568281] (UM) [ 233.572509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.574906] 1*2048kB [ 233.579136] call_timer_fn+0x272/0x920 [ 233.581170] (M) [ 233.585398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.587783] 4*4096kB [ 233.591663] ? process_timeout+0x40/0x40 [ 233.593614] (M) [ 233.597846] ? trace_hardirqs_off+0xb8/0x310 [ 233.597867] ? kasan_check_read+0x11/0x20 [ 233.600262] = 24880kB [ 233.604316] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.604340] ? trace_hardirqs_on+0x310/0x310 [ 233.606288] Node 0 [ 233.610694] ? __run_timers+0x7da/0xc70 [ 233.614835] Normal: [ 233.617237] ? lock_downgrade+0x900/0x900 [ 233.621619] 719*4kB [ 233.626019] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.628229] (ME) [ 233.632198] ? trace_hardirqs_on+0xbd/0x310 [ 233.634498] 385*8kB [ 233.638636] ? kasan_check_read+0x11/0x20 [ 233.640933] (UME) [ 233.646031] ? __run_timers+0x7da/0xc70 [ 233.648075] 182*16kB [ 233.652565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.654866] (ME) [ 233.659012] ? kasan_check_write+0x14/0x20 [ 233.661152] 99*32kB [ 233.665122] ? do_raw_spin_lock+0xc1/0x200 [ 233.667510] (UME) [ 233.672958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.674996] 27*64kB [ 233.679227] __run_timers+0x7e5/0xc70 [ 233.681528] (UM) [ 233.685764] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.687887] 0*128kB [ 233.692570] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.694871] 0*256kB [ 233.698665] ? rcu_bh_qs+0xc0/0xc0 [ 233.700705] 0*512kB [ 233.706236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.708534] 0*1024kB [ 233.713809] ? check_preemption_disabled+0x48/0x200 [ 233.716119] 0*2048kB [ 233.719652] ? rcu_nmi_exit+0xdb/0x280 [ 233.721959] 0*4096kB [ 233.727491] ? ret_from_intr+0xb/0x1e [ 233.729887] = 13764kB [ 233.734899] ? retint_kernel+0x2d/0x2d [ 233.737293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.741170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.743566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 233.747359] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.749762] 148 total pagecache pages [ 233.753641] ? trace_hardirqs_off+0x310/0x310 [ 233.762453] 0 pages in swap cache [ 233.767382] ? check_preemption_disabled+0x48/0x200 [ 233.775933] Swap cache stats: add 0, delete 0, find 0/0 [ 233.780678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.784461] Free swap = 0kB [ 233.788958] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.792384] Total swap = 0kB [ 233.797390] ? retint_kernel+0x2d/0x2d [ 233.802732] 1965979 pages RAM [ 233.808266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.811266] 0 pages HighMem/MovableOnly [ 233.816021] ? check_preemption_disabled+0x48/0x200 [ 233.819013] 342307 pages reserved [ 233.822897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.825982] 0 pages cma reserved [ 233.831520] run_timer_softirq+0x52/0xb0 [ 233.835523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.840476] ? __this_cpu_preempt_check+0x1c/0x1f [ 233.840493] __do_softirq+0x30b/0xad8 [ 233.840512] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.843992] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.849483] ? pvclock_read_flags+0x160/0x160 [ 233.852836] ksoftirqd/0 cpuset= [ 233.857495] ? lapic_next_event+0x5a/0x90 [ 233.857513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.863991] / [ 233.868838] ? clockevents_program_event+0x140/0x370 [ 233.872618] mems_allowed=0 [ 233.877717] ? kvm_clock_read+0x18/0x30 [ 233.919399] ? kvm_sched_clock_read+0x9/0x20 [ 233.923809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.929361] ? check_preemption_disabled+0x48/0x200 [ 233.934381] irq_exit+0x17f/0x1c0 [ 233.937845] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.942686] ? smp_reschedule_interrupt+0x109/0x650 [ 233.947702] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.953585] ? interrupt_entry+0xb5/0xf0 [ 233.957657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.962850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.967866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.972705] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.977721] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.982734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.988270] ? check_preemption_disabled+0x48/0x200 [ 233.993287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.998835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.004084] apic_timer_interrupt+0xf/0x20 [ 234.008658] [ 234.010905] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.015842] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 234.034740] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 234.042617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 234.049880] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 234.057150] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 234.064417] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 234.071680] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 234.078958] ? trace_hardirqs_on+0xb4/0x310 [ 234.083299] skb_clone+0x1bb/0x500 [ 234.086852] ? finish_task_switch+0x2f5/0x900 [ 234.091526] ? skb_split+0x11e0/0x11e0 [ 234.095853] ? preempt_notifier_register+0x200/0x200 [ 234.100952] ? __switch_to_asm+0x34/0x70 [ 234.105011] ? __switch_to_asm+0x34/0x70 [ 234.109067] ? __switch_to_asm+0x40/0x70 [ 234.113475] ? __switch_to_asm+0x34/0x70 [ 234.117704] ? __switch_to_asm+0x40/0x70 [ 234.121763] ? __switch_to_asm+0x34/0x70 [ 234.125829] ? __switch_to_asm+0x40/0x70 [ 234.129889] ? __switch_to_asm+0x34/0x70 [ 234.133970] ? __switch_to_asm+0x34/0x70 [ 234.138045] ? __switch_to_asm+0x40/0x70 [ 234.142105] ? __switch_to_asm+0x34/0x70 [ 234.146173] bpf_clone_redirect+0xb9/0x490 [ 234.150410] ? __schedule+0x874/0x1ed0 [ 234.154297] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 234.159317] ? __sched_text_start+0x8/0x8 [ 234.163469] ? retint_kernel+0x2d/0x2d [ 234.167355] ? retint_kernel+0x2d/0x2d [ 234.171246] ? trace_hardirqs_on_caller+0xc0/0x310 [ 234.176175] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.180932] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.185685] ? trace_hardirqs_off+0x310/0x310 [ 234.190539] ? lock_acquire+0x1ed/0x520 [ 234.194685] ? bpf_test_run+0x32e/0x5a0 [ 234.198661] ? lock_release+0x970/0x970 [ 234.202633] ? preempt_schedule+0x4d/0x60 [ 234.206780] ? preempt_schedule_common+0x1f/0xd0 [ 234.211533] ? preempt_schedule+0x4d/0x60 [ 234.215683] ? ___preempt_schedule+0x16/0x18 [ 234.220095] ? bpf_test_run+0x1c0/0x5a0 [ 234.224072] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.228479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.234012] ? bpf_test_init.isra.9+0x70/0x100 [ 234.238597] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.243357] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.248195] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.253726] ? fput+0x130/0x1a0 [ 234.257179] ? __bpf_prog_get+0x9b/0x290 [ 234.262200] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.268004] ? bpf_prog_test_run+0x130/0x1a0 [ 234.272414] ? __x64_sys_bpf+0x3d8/0x510 [ 234.276474] ? bpf_prog_get+0x20/0x20 [ 234.280290] ? do_syscall_64+0x1b9/0x820 [ 234.284368] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.289734] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.294668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.299701] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.304718] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.309996] ? prepare_exit_to_usermode+0x291/0x3b0 [ 234.315016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.319862] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.325263] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 234.325346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.332029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.332033] Call Trace: [ 234.332054] dump_stack+0x1c4/0x2b4 [ 234.332075] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.338592] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.347906] warn_alloc.cold.119+0xb7/0x1bd [ 234.350461] syz-executor0 cpuset= [ 234.354083] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.359687] syz0 [ 234.370169] ? lock_downgrade+0x900/0x900 [ 234.374467] mems_allowed=0 [ 234.377918] ? trace_hardirqs_off+0xb8/0x310 [ 234.396158] ? trace_hardirqs_off+0xb8/0x310 [ 234.400576] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.405436] ? warn_alloc+0x120/0x120 [ 234.409242] ? warn_alloc+0x120/0x120 [ 234.413050] ? warn_alloc+0x120/0x120 [ 234.417199] ? mark_held_locks+0x130/0x130 [ 234.421790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.427351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.432897] ? should_fail+0x22d/0xd01 [ 234.436794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.441910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.447444] ? should_fail+0x22d/0xd01 [ 234.451330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.456433] ? should_fail+0x22d/0xd01 [ 234.460320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.465430] ? mark_held_locks+0x130/0x130 [ 234.469664] ? mark_held_locks+0x130/0x130 [ 234.473897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.479434] ? trace_hardirqs_off+0xb8/0x310 [ 234.483851] ? kasan_check_read+0x11/0x20 [ 234.488006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.492420] ? trace_hardirqs_on+0x310/0x310 [ 234.497434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.503144] ? wq_watchdog_touch+0x9c/0xfe [ 234.507385] ? io_serial_in+0x11/0x90 [ 234.511183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.516727] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.521851] __alloc_pages_nodemask+0xa80/0xde0 [ 234.526522] ? should_fail+0x22d/0xd01 [ 234.530410] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.535436] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.540102] ? lock_downgrade+0x900/0x900 [ 234.544257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.549802] cache_grow_begin+0x91/0x8c0 [ 234.554136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.558547] fallback_alloc+0x203/0x2e0 [ 234.562523] ____cache_alloc_node+0x1c7/0x1e0 [ 234.567023] kmem_cache_alloc_node+0xe3/0x730 [ 234.571520] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.575762] __alloc_skb+0x119/0x770 [ 234.579476] ? skb_scrub_packet+0x490/0x490 [ 234.583792] ? lock_downgrade+0x900/0x900 [ 234.587963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.593522] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.598975] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.604422] ? addrconf_rs_timer+0x690/0x690 [ 234.608854] ndisc_alloc_skb+0x144/0x340 [ 234.612916] ndisc_send_rs+0x331/0x6e0 [ 234.616807] addrconf_rs_timer+0x314/0x690 [ 234.621090] ? lock_release+0x970/0x970 [ 234.625067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.629480] call_timer_fn+0x272/0x920 [ 234.633363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.637596] ? process_timeout+0x40/0x40 [ 234.641651] ? kasan_check_read+0x11/0x20 [ 234.645800] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.650218] ? trace_hardirqs_on+0x310/0x310 [ 234.654628] ? __run_timers+0x7da/0xc70 [ 234.658599] ? lock_downgrade+0x900/0x900 [ 234.662751] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.667856] ? trace_hardirqs_on+0xbd/0x310 [ 234.672175] ? kasan_check_read+0x11/0x20 [ 234.676758] ? __run_timers+0x7da/0xc70 [ 234.681599] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.688096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.693810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.698061] __run_timers+0x7e5/0xc70 [ 234.701871] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.707244] ? lock_downgrade+0x900/0x900 [ 234.711400] ? finish_task_switch+0x1b5/0x900 [ 234.715898] ? trace_hardirqs_on+0xbd/0x310 [ 234.720217] ? kasan_check_read+0x11/0x20 [ 234.724366] ? finish_task_switch+0x1f5/0x900 [ 234.728867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.734315] ? compat_start_thread+0x80/0x80 [ 234.738731] ? pvclock_read_flags+0x160/0x160 [ 234.743220] ? __switch_to_asm+0x34/0x70 [ 234.747277] ? __switch_to_asm+0x34/0x70 [ 234.751331] ? __switch_to_asm+0x40/0x70 [ 234.755392] ? __switch_to_asm+0x40/0x70 [ 234.759448] ? __switch_to_asm+0x34/0x70 [ 234.763679] ? __switch_to_asm+0x40/0x70 [ 234.767924] ? trace_hardirqs_on+0xbd/0x310 [ 234.772244] ? kvm_sched_clock_read+0x9/0x20 [ 234.776649] ? run_ksoftirqd+0x94/0x100 [ 234.780623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.786163] ? check_preemption_disabled+0x48/0x200 [ 234.792080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.798484] run_timer_softirq+0x52/0xb0 [ 234.802891] ? __this_cpu_preempt_check+0x1c/0x1f [ 234.807731] __do_softirq+0x30b/0xad8 [ 234.811539] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.816648] ? schedule+0x108/0x460 [ 234.820282] ? trace_hardirqs_off+0xb8/0x310 [ 234.824703] ? smpboot_thread_fn+0x68b/0xa00 [ 234.829112] ? trace_hardirqs_on+0x310/0x310 [ 234.833527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.839063] ? check_preemption_disabled+0x48/0x200 [ 234.844082] ? takeover_tasklets+0xa90/0xa90 [ 234.848494] run_ksoftirqd+0x94/0x100 [ 234.852291] smpboot_thread_fn+0x68b/0xa00 [ 234.856524] ? sort_range+0x30/0x30 [ 234.860151] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.865253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.870789] ? __kthread_parkme+0xfb/0x1a0 [ 234.875033] kthread+0x35a/0x420 [ 234.878393] ? sort_range+0x30/0x30 [ 234.882019] ? kthread_bind+0x40/0x40 [ 234.885840] ret_from_fork+0x3a/0x50 [ 234.889562] warn_alloc_show_mem: 1 callbacks suppressed [ 234.889574] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 234.889576] Mem-Info: [ 234.889606] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 234.889606] active_file:16 inactive_file:13 isolated_file:0 [ 234.889606] unevictable:0 dirty:0 writeback:0 unstable:0 [ 234.889606] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 234.889606] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 234.889606] free:13630 free_pcp:242 free_cma:0 [ 234.894954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.902147] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 234.904545] Call Trace: [ 234.937409] Node 0 [ 234.946757] [ 234.974265] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 234.976837] dump_stack+0x1c4/0x2b4 [ 234.979050] lowmem_reserve[]: [ 234.981201] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.006767] 0 [ 235.010395] warn_alloc.cold.119+0xb7/0x1bd [ 235.013473] 2819 [ 235.018659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.020435] 6323 [ 235.024751] ? lock_downgrade+0x900/0x900 [ 235.026786] 6323 [ 235.031621] ? trace_hardirqs_off+0xb8/0x310 [ 235.037802] ? trace_hardirqs_off+0xb8/0x310 [ 235.039859] Node 0 [ 235.044262] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.048670] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 235.050894] ? warn_alloc+0x120/0x120 [ 235.055700] lowmem_reserve[]: [ 235.082677] ? lock_release+0x970/0x970 [ 235.086452] 0 [ 235.089548] ? warn_alloc+0x120/0x120 [ 235.093499] 0 [ 235.095293] ? trace_hardirqs_on+0x310/0x310 [ 235.099080] 3503 [ 235.100880] ? warn_alloc+0x120/0x120 [ 235.105265] 3503 [ 235.107326] ? mark_held_locks+0x130/0x130 [ 235.113166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.117407] Node 0 [ 235.122948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.122980] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 235.122987] lowmem_reserve[]: [ 235.125220] ? should_fail+0x22d/0xd01 [ 235.130730] 0 [ 235.159004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.162084] 0 [ 235.165966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.167742] 0 [ 235.172856] ? should_fail+0x22d/0xd01 [ 235.174636] 0 [ 235.180171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.186126] ? should_fail+0x22d/0xd01 [ 235.187907] Node 0 [ 235.193003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.196869] DMA: [ 235.199106] ? mark_held_locks+0x130/0x130 [ 235.204185] 1*4kB [ 235.206246] ? mark_held_locks+0x130/0x130 [ 235.210458] (U) [ 235.212602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.216825] 0*8kB [ 235.218799] ? trace_hardirqs_off+0xb8/0x310 [ 235.224320] 0*16kB [ 235.226473] ? kasan_check_read+0x11/0x20 [ 235.230859] 1*32kB [ 235.233091] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.237213] (U) [ 235.239447] ? trace_hardirqs_on+0x310/0x310 [ 235.243836] 2*64kB [ 235.245806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.250202] (U) [ 235.252437] ? wq_watchdog_touch+0x9c/0xfe [ 235.257950] 1*128kB [ 235.259999] ? io_serial_in+0x11/0x90 [ 235.264205] (U) [ 235.266527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.270301] 1*256kB [ 235.272274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.277786] (U) [ 235.280110] __alloc_pages_nodemask+0xa80/0xde0 [ 235.285189] 0*512kB [ 235.287160] ? should_fail+0x22d/0xd01 [ 235.291803] 1*1024kB [ 235.294132] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.298125] (U) [ 235.300548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.305535] 1*2048kB [ 235.307511] ? lock_downgrade+0x900/0x900 [ 235.312150] (M) [ 235.314561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.318685] 3*4096kB [ 235.320662] cache_grow_begin+0x91/0x8c0 [ 235.326166] (M) = 15908kB [ 235.328589] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.332630] Node 0 [ 235.335387] fallback_alloc+0x203/0x2e0 [ 235.339763] DMA32: 4*4kB [ 235.342010] ____cache_alloc_node+0x1c7/0x1e0 [ 235.345962] (M) [ 235.348719] kmem_cache_alloc_node+0xe3/0x730 [ 235.353191] 0*8kB [ 235.355168] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.359637] 2*16kB [ 235.361783] __alloc_skb+0x119/0x770 [ 235.365992] (M) [ 235.368228] ? skb_scrub_packet+0x490/0x490 [ 235.371919] 2*32kB [ 235.373902] ? lock_downgrade+0x900/0x900 [ 235.378182] (M) [ 235.380418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.384540] 5*64kB [ 235.386512] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.392015] (UM) 3*128kB [ 235.394259] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.399683] (M) [ 235.402746] ? addrconf_rs_timer+0x690/0x690 [ 235.408176] 4*256kB [ 235.410151] ndisc_alloc_skb+0x144/0x340 [ 235.414530] (UM) [ 235.416865] ndisc_send_rs+0x331/0x6e0 [ 235.420898] 3*512kB [ 235.422957] addrconf_rs_timer+0x314/0x690 [ 235.426836] (M) [ 235.429157] ? can_stat_update+0x59a/0xa60 [ 235.433371] 3*1024kB [ 235.435349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.439553] (UM) [ 235.441964] call_timer_fn+0x272/0x920 [ 235.446169] 1*2048kB [ 235.448226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.452091] (M) [ 235.454501] ? process_timeout+0x40/0x40 [ 235.458705] 4*4096kB (M) [ 235.460699] ? trace_hardirqs_off+0xb8/0x310 [ 235.464736] = 24880kB [ 235.467491] ? kasan_check_read+0x11/0x20 [ 235.471874] Node 0 [ 235.474283] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.478405] Normal: [ 235.480642] ? trace_hardirqs_on+0x310/0x310 [ 235.485029] 719*4kB [ 235.487353] ? __run_timers+0x7da/0xc70 [ 235.491736] (ME) [ 235.494060] ? lock_downgrade+0x900/0x900 [ 235.498007] 385*8kB [ 235.500067] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.504186] (UME) [ 235.506505] ? trace_hardirqs_on+0xbd/0x310 [ 235.511794] 182*16kB (ME) [ 235.513963] ? kasan_check_read+0x11/0x20 [ 235.518262] 99*32kB [ 235.521104] ? __run_timers+0x7da/0xc70 [ 235.525234] (UME) [ 235.527557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.531508] 27*64kB [ 235.533651] ? kasan_check_write+0x14/0x20 [ 235.539077] (UM) [ 235.541399] ? do_raw_spin_lock+0xc1/0x200 [ 235.545609] 0*128kB [ 235.547670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.551876] 0*256kB [ 235.554197] __run_timers+0x7e5/0xc70 [ 235.558427] 0*512kB [ 235.560750] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.564611] 0*1024kB [ 235.566934] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.572287] 0*2048kB [ 235.574694] ? rcu_bh_qs+0xc0/0xc0 [ 235.579948] 0*4096kB [ 235.582362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.585877] = 13764kB [ 235.588283] ? check_preemption_disabled+0x48/0x200 [ 235.593806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.596220] ? rcu_nmi_exit+0xdb/0x280 [ 235.601223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 235.610047] ? ret_from_intr+0xb/0x1e [ 235.613909] 148 total pagecache pages [ 235.622478] ? retint_kernel+0x2d/0x2d [ 235.626254] 0 pages in swap cache [ 235.630054] ? trace_hardirqs_on_caller+0xc0/0x310 [ 235.633922] Swap cache stats: add 0, delete 0, find 0/0 [ 235.637371] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.642267] Free swap = 0kB [ 235.642276] Total swap = 0kB [ 235.647634] ? trace_hardirqs_off+0x310/0x310 [ 235.652367] 1965979 pages RAM [ 235.655387] ? check_preemption_disabled+0x48/0x200 [ 235.658382] 0 pages HighMem/MovableOnly [ 235.662877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.665957] 342307 pages reserved [ 235.670991] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.674944] 0 pages cma reserved [ 235.680481] ? retint_kernel+0x2d/0x2d [ 235.683964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.688676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.692097] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.695908] ? check_preemption_disabled+0x48/0x200 [ 235.702375] ksoftirqd/0 cpuset= [ 235.707907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.718188] / [ 235.723203] run_timer_softirq+0x52/0xb0 [ 235.726457] mems_allowed=0 [ 235.731989] ? __this_cpu_preempt_check+0x1c/0x1f [ 235.745473] __do_softirq+0x30b/0xad8 [ 235.749282] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.754391] ? pvclock_read_flags+0x160/0x160 [ 235.758887] ? lapic_next_event+0x5a/0x90 [ 235.763038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.768577] ? clockevents_program_event+0x140/0x370 [ 235.773684] ? kvm_clock_read+0x18/0x30 [ 235.777658] ? kvm_sched_clock_read+0x9/0x20 [ 235.782065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.787603] ? check_preemption_disabled+0x48/0x200 [ 235.792628] irq_exit+0x17f/0x1c0 [ 235.796102] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.800942] ? smp_reschedule_interrupt+0x109/0x650 [ 235.805963] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.811851] ? interrupt_entry+0xb5/0xf0 [ 235.815926] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.820944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.825968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.830808] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.835847] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.841042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.846580] ? check_preemption_disabled+0x48/0x200 [ 235.851595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.857134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.861979] apic_timer_interrupt+0xf/0x20 [ 235.866204] [ 235.868443] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 235.873378] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 235.892277] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.899984] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 235.907251] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 235.914516] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 235.921784] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 235.929055] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 235.936341] ? trace_hardirqs_on+0xb4/0x310 [ 235.940675] skb_clone+0x1bb/0x500 [ 235.944214] ? finish_task_switch+0x2f5/0x900 [ 235.948712] ? skb_split+0x11e0/0x11e0 [ 235.952600] ? preempt_notifier_register+0x200/0x200 [ 235.957698] ? __switch_to_asm+0x34/0x70 [ 235.961758] ? __switch_to_asm+0x34/0x70 [ 235.965837] ? __switch_to_asm+0x40/0x70 [ 235.969903] ? __switch_to_asm+0x34/0x70 [ 235.973968] ? __switch_to_asm+0x40/0x70 [ 235.978024] ? __switch_to_asm+0x34/0x70 [ 235.982082] ? __switch_to_asm+0x40/0x70 [ 235.986138] ? __switch_to_asm+0x34/0x70 [ 235.990199] ? __switch_to_asm+0x34/0x70 [ 235.994254] ? __switch_to_asm+0x40/0x70 [ 235.998313] ? __switch_to_asm+0x34/0x70 [ 236.002386] bpf_clone_redirect+0xb9/0x490 [ 236.006622] ? __schedule+0x874/0x1ed0 [ 236.010512] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 236.015535] ? __sched_text_start+0x8/0x8 [ 236.019680] ? retint_kernel+0x2d/0x2d [ 236.023561] ? retint_kernel+0x2d/0x2d [ 236.027445] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.032376] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.037134] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.041889] ? trace_hardirqs_off+0x310/0x310 [ 236.046393] ? lock_acquire+0x1ed/0x520 [ 236.050373] ? bpf_test_run+0x32e/0x5a0 [ 236.054355] ? lock_release+0x970/0x970 [ 236.058338] ? preempt_schedule+0x4d/0x60 [ 236.062490] ? preempt_schedule_common+0x1f/0xd0 [ 236.067247] ? preempt_schedule+0x4d/0x60 [ 236.071395] ? ___preempt_schedule+0x16/0x18 [ 236.075807] ? bpf_test_run+0x1c0/0x5a0 [ 236.079799] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.084219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.089752] ? bpf_test_init.isra.9+0x70/0x100 [ 236.094340] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.099117] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.103959] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.109503] ? fput+0x130/0x1a0 [ 236.112785] ? __bpf_prog_get+0x9b/0x290 [ 236.116856] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.121696] ? bpf_prog_test_run+0x130/0x1a0 [ 236.126103] ? __x64_sys_bpf+0x3d8/0x510 [ 236.130161] ? bpf_prog_get+0x20/0x20 [ 236.133972] ? do_syscall_64+0x1b9/0x820 [ 236.138030] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.143393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.148322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.153173] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.158187] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.163202] ? prepare_exit_to_usermode+0x291/0x3b0 [ 236.168217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.173062] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.178438] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 236.178489] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.185202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.185207] Call Trace: [ 236.185227] dump_stack+0x1c4/0x2b4 [ 236.185248] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.191807] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.201084] warn_alloc.cold.119+0xb7/0x1bd [ 236.203643] syz-executor0 cpuset= [ 236.207264] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.212429] syz0 [ 236.222915] ? lock_downgrade+0x900/0x900 [ 236.227215] mems_allowed=0 [ 236.230660] ? trace_hardirqs_off+0xb8/0x310 [ 236.248879] ? trace_hardirqs_off+0xb8/0x310 [ 236.253292] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.258155] ? warn_alloc+0x120/0x120 [ 236.261962] ? warn_alloc+0x120/0x120 [ 236.265767] ? warn_alloc+0x120/0x120 [ 236.269570] ? mark_held_locks+0x130/0x130 [ 236.273811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.279362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.284902] ? should_fail+0x22d/0xd01 [ 236.288792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.293906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.299443] ? should_fail+0x22d/0xd01 [ 236.303329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.308431] ? should_fail+0x22d/0xd01 [ 236.312323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.317431] ? mark_held_locks+0x130/0x130 [ 236.321670] ? mark_held_locks+0x130/0x130 [ 236.325908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.331454] ? trace_hardirqs_off+0xb8/0x310 [ 236.335866] ? kasan_check_read+0x11/0x20 [ 236.340020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.344457] ? trace_hardirqs_on+0x310/0x310 [ 236.348870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.354410] ? wq_watchdog_touch+0x9c/0xfe [ 236.358649] ? io_serial_in+0x11/0x90 [ 236.362460] ? retint_kernel+0x2d/0x2d [ 236.366356] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.371290] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.376048] ? trace_hardirqs_off+0x310/0x310 [ 236.380547] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.385664] __alloc_pages_nodemask+0xa80/0xde0 [ 236.390335] ? should_fail+0x22d/0xd01 [ 236.394230] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.399266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.403957] ? lock_downgrade+0x900/0x900 [ 236.408114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.413659] cache_grow_begin+0x91/0x8c0 [ 236.417733] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.422149] fallback_alloc+0x203/0x2e0 [ 236.426128] ____cache_alloc_node+0x1c7/0x1e0 [ 236.430628] kmem_cache_alloc_node+0xe3/0x730 [ 236.435127] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.439367] __alloc_skb+0x119/0x770 [ 236.443088] ? skb_scrub_packet+0x490/0x490 [ 236.447415] ? lock_downgrade+0x900/0x900 [ 236.451575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.457112] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.462569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.468023] ? addrconf_rs_timer+0x690/0x690 [ 236.472441] ndisc_alloc_skb+0x144/0x340 [ 236.476512] ndisc_send_rs+0x331/0x6e0 [ 236.480412] addrconf_rs_timer+0x314/0x690 [ 236.484650] ? lock_release+0x970/0x970 [ 236.488629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.492893] call_timer_fn+0x272/0x920 [ 236.496791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.501047] ? process_timeout+0x40/0x40 [ 236.505107] ? kasan_check_read+0x11/0x20 [ 236.509256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.513669] ? trace_hardirqs_on+0x310/0x310 [ 236.518082] ? __run_timers+0x7da/0xc70 [ 236.522054] ? lock_downgrade+0x900/0x900 [ 236.526205] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.531312] ? trace_hardirqs_on+0xbd/0x310 [ 236.535631] ? kasan_check_read+0x11/0x20 [ 236.539780] ? __run_timers+0x7da/0xc70 [ 236.543754] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.549205] ? kasan_check_write+0x14/0x20 [ 236.553438] ? do_raw_spin_lock+0xc1/0x200 [ 236.557676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.561909] __run_timers+0x7e5/0xc70 [ 236.565715] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.571076] ? lock_downgrade+0x900/0x900 [ 236.575220] ? finish_task_switch+0x1b5/0x900 [ 236.579717] ? trace_hardirqs_on+0xbd/0x310 [ 236.584035] ? kasan_check_read+0x11/0x20 [ 236.588182] ? finish_task_switch+0x1f5/0x900 [ 236.592676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.598124] ? compat_start_thread+0x80/0x80 [ 236.602546] ? pvclock_read_flags+0x160/0x160 [ 236.607044] ? __switch_to_asm+0x34/0x70 [ 236.611103] ? __switch_to_asm+0x34/0x70 [ 236.615159] ? __switch_to_asm+0x40/0x70 [ 236.619214] ? __switch_to_asm+0x40/0x70 [ 236.623279] ? __switch_to_asm+0x34/0x70 [ 236.627342] ? __switch_to_asm+0x40/0x70 [ 236.631408] ? trace_hardirqs_on+0xbd/0x310 [ 236.635726] ? kvm_sched_clock_read+0x9/0x20 [ 236.640134] ? run_ksoftirqd+0x94/0x100 [ 236.644110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.649651] ? check_preemption_disabled+0x48/0x200 [ 236.654663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.660206] run_timer_softirq+0x52/0xb0 [ 236.664266] ? __this_cpu_preempt_check+0x1c/0x1f [ 236.669110] __do_softirq+0x30b/0xad8 [ 236.672920] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.678028] ? schedule+0x108/0x460 [ 236.681661] ? trace_hardirqs_off+0xb8/0x310 [ 236.686066] ? smpboot_thread_fn+0x68b/0xa00 [ 236.690471] ? trace_hardirqs_on+0x310/0x310 [ 236.694878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.700414] ? check_preemption_disabled+0x48/0x200 [ 236.705432] ? takeover_tasklets+0xa90/0xa90 [ 236.709853] run_ksoftirqd+0x94/0x100 [ 236.713652] smpboot_thread_fn+0x68b/0xa00 [ 236.717890] ? sort_range+0x30/0x30 [ 236.721517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.726618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.732156] ? __kthread_parkme+0xfb/0x1a0 [ 236.736391] kthread+0x35a/0x420 [ 236.739758] ? sort_range+0x30/0x30 [ 236.743393] ? kthread_bind+0x40/0x40 [ 236.747199] ret_from_fork+0x3a/0x50 [ 236.750918] warn_alloc_show_mem: 1 callbacks suppressed [ 236.750931] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 236.750933] Mem-Info: [ 236.750964] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 236.750964] active_file:16 inactive_file:13 isolated_file:0 [ 236.750964] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.750964] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 236.750964] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 236.750964] free:13630 free_pcp:242 free_cma:0 [ 236.756310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.763506] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.765909] Call Trace: [ 236.798791] Node 0 [ 236.808150] [ 236.835661] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 236.838230] dump_stack+0x1c4/0x2b4 [ 236.840439] lowmem_reserve[]: [ 236.842590] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.868068] 0 [ 236.871696] warn_alloc.cold.119+0xb7/0x1bd [ 236.874774] 2819 [ 236.879961] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.881737] 6323 [ 236.886057] ? lock_downgrade+0x900/0x900 [ 236.888097] 6323 [ 236.892937] ? trace_hardirqs_off+0xb8/0x310 [ 236.899117] ? trace_hardirqs_off+0xb8/0x310 [ 236.901157] Node 0 [ 236.905563] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.909969] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.912189] ? warn_alloc+0x120/0x120 [ 236.916993] lowmem_reserve[]: [ 236.943972] ? trace_hardirqs_on+0x310/0x310 [ 236.947746] 0 [ 236.950855] ? warn_alloc+0x120/0x120 [ 236.955237] 0 [ 236.957036] ? warn_alloc+0x120/0x120 [ 236.960835] 3503 [ 236.962627] ? ktime_get+0x2e1/0x440 [ 236.966410] 3503 [ 236.968473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.974225] ? check_preemption_disabled+0x48/0x200 [ 236.979737] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 236.984786] ? kasan_check_read+0x11/0x20 [ 236.984805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.013687] lowmem_reserve[]: [ 237.017851] ? should_fail+0x22d/0xd01 [ 237.023364] 0 [ 237.026468] ? rcu_bh_qs+0xc0/0xc0 [ 237.030337] 0 [ 237.032140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.035650] 0 [ 237.037450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.042526] 0 [ 237.044325] ? should_fail+0x22d/0xd01 [ 237.051644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.055504] Node 0 [ 237.060600] ? should_fail+0x22d/0xd01 [ 237.060603] DMA: 1*4kB [ 237.062855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.066716] (U) [ 237.069303] ? mark_held_locks+0x130/0x130 [ 237.074381] 0*8kB [ 237.076357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.080565] 0*16kB [ 237.082710] ? mark_held_locks+0x130/0x130 [ 237.088222] 1*32kB [ 237.090455] ? rcu_irq_exit+0xce/0x100 [ 237.094664] (U) [ 237.096903] ? irq_exit+0xbd/0x1c0 [ 237.100766] 2*64kB [ 237.102757] ? mark_held_locks+0x130/0x130 [ 237.106267] (U) 1*128kB [ 237.108515] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.112720] (U) [ 237.115391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.121255] 1*256kB [ 237.123229] ? ret_from_intr+0xb/0x1e [ 237.128740] (U) [ 237.131061] ? retint_kernel+0x2d/0x2d [ 237.134851] 0*512kB [ 237.136832] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.140695] 1*1024kB [ 237.143014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.147916] (U) [ 237.150325] ? trace_hardirqs_off+0x310/0x310 [ 237.155058] 1*2048kB [ 237.157028] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.161497] (M) [ 237.163906] __alloc_pages_nodemask+0xa80/0xde0 [ 237.168985] 3*4096kB [ 237.170955] ? should_fail+0x22d/0xd01 [ 237.175594] (M) [ 237.178001] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.181861] = 15908kB [ 237.183849] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.188846] Node 0 [ 237.191255] ? lock_downgrade+0x900/0x900 [ 237.195897] DMA32: [ 237.198146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.202269] 4*4kB [ 237.204500] cache_grow_begin+0x91/0x8c0 [ 237.210009] (M) [ 237.212158] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.216210] 0*8kB [ 237.218180] fallback_alloc+0x203/0x2e0 [ 237.222568] 2*16kB [ 237.224716] ____cache_alloc_node+0x1c7/0x1e0 [ 237.228666] (M) [ 237.230904] kmem_cache_alloc_node+0xe3/0x730 [ 237.235378] 2*32kB [ 237.237359] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.241836] (M) [ 237.244068] __alloc_skb+0x119/0x770 [ 237.248278] 5*64kB [ 237.250247] ? skb_scrub_packet+0x490/0x490 [ 237.253940] (UM) [ 237.256176] ? lock_downgrade+0x900/0x900 [ 237.260471] 3*128kB [ 237.262533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.266659] (M) [ 237.269000] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.274513] 4*256kB [ 237.276485] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.281909] (UM) [ 237.284230] ? addrconf_rs_timer+0x690/0x690 [ 237.289656] 3*512kB [ 237.291719] ndisc_alloc_skb+0x144/0x340 [ 237.296097] (M) [ 237.298416] ndisc_send_rs+0x331/0x6e0 [ 237.302459] 3*1024kB [ 237.304431] addrconf_rs_timer+0x314/0x690 [ 237.308294] (UM) [ 237.310702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.314917] 1*2048kB [ 237.316977] call_timer_fn+0x272/0x920 [ 237.321184] (M) [ 237.323599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.327459] 4*4096kB (M) [ 237.329445] ? process_timeout+0x40/0x40 [ 237.333655] = 24880kB [ 237.336405] ? trace_hardirqs_off+0xb8/0x310 [ 237.340443] Node 0 [ 237.342860] ? kasan_check_read+0x11/0x20 [ 237.347244] Normal: [ 237.349487] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.353610] 719*4kB [ 237.356029] ? trace_hardirqs_on+0x310/0x310 [ 237.360421] (ME) 385*8kB [ 237.362757] ? __run_timers+0x7da/0xc70 [ 237.367142] (UME) [ 237.369909] ? lock_downgrade+0x900/0x900 [ 237.373863] 182*16kB [ 237.376014] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.380134] (ME) [ 237.382544] ? trace_hardirqs_on+0xbd/0x310 [ 237.387617] 99*32kB (UME) [ 237.389691] ? kasan_check_read+0x11/0x20 [ 237.393991] 27*64kB [ 237.396842] ? __run_timers+0x7da/0xc70 [ 237.400970] (UM) [ 237.403721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.407674] 0*128kB [ 237.409731] ? kasan_check_write+0x14/0x20 [ 237.416291] 0*256kB [ 237.418617] ? do_raw_spin_lock+0xc1/0x200 [ 237.422835] 0*512kB [ 237.425155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.429364] 0*1024kB [ 237.431688] __run_timers+0x7e5/0xc70 [ 237.435930] 0*2048kB [ 237.438358] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.442127] 0*4096kB [ 237.444543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.449883] = 13764kB [ 237.452294] ? rcu_bh_qs+0xc0/0xc0 [ 237.457554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.459965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.463488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.472334] ? check_preemption_disabled+0x48/0x200 [ 237.477848] 148 total pagecache pages [ 237.486426] ? rcu_nmi_exit+0xdb/0x280 [ 237.491421] 0 pages in swap cache [ 237.495222] ? ret_from_intr+0xb/0x1e [ 237.499089] Swap cache stats: add 0, delete 0, find 0/0 [ 237.502541] ? retint_kernel+0x2d/0x2d [ 237.506319] Free swap = 0kB [ 237.512189] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.516058] Total swap = 0kB [ 237.519076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.523979] 1965979 pages RAM [ 237.526991] ? trace_hardirqs_off+0x310/0x310 [ 237.531726] 0 pages HighMem/MovableOnly [ 237.534858] ? check_preemption_disabled+0x48/0x200 [ 237.539329] 342307 pages reserved [ 237.543308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.548298] 0 pages cma reserved [ 237.551757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.557323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.560635] ? retint_kernel+0x2d/0x2d [ 237.560657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.565436] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.571886] ? check_preemption_disabled+0x48/0x200 [ 237.575747] ksoftirqd/0 cpuset= [ 237.581282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.591569] / [ 237.596585] run_timer_softirq+0x52/0xb0 [ 237.599848] mems_allowed=0 [ 237.605383] ? __this_cpu_preempt_check+0x1c/0x1f [ 237.618879] __do_softirq+0x30b/0xad8 [ 237.622691] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.627801] ? pvclock_read_flags+0x160/0x160 [ 237.632309] ? lapic_next_event+0x5a/0x90 [ 237.636465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.642004] ? clockevents_program_event+0x140/0x370 [ 237.647113] ? kvm_clock_read+0x18/0x30 [ 237.651090] ? kvm_sched_clock_read+0x9/0x20 [ 237.655501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.661041] ? check_preemption_disabled+0x48/0x200 [ 237.666072] irq_exit+0x17f/0x1c0 [ 237.669536] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.674382] ? smp_reschedule_interrupt+0x109/0x650 [ 237.679399] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.685284] ? interrupt_entry+0xb5/0xf0 [ 237.689353] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.694373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.699394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.704247] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.709266] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.714289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.719844] ? check_preemption_disabled+0x48/0x200 [ 237.724870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.730419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.735275] apic_timer_interrupt+0xf/0x20 [ 237.739506] [ 237.741745] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 237.746677] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 237.765576] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.773289] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 237.780556] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 237.787830] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 237.795100] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 237.802370] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 237.809661] ? trace_hardirqs_on+0xb4/0x310 [ 237.814001] skb_clone+0x1bb/0x500 [ 237.817548] ? finish_task_switch+0x2f5/0x900 [ 237.822054] ? skb_split+0x11e0/0x11e0 [ 237.825945] ? preempt_notifier_register+0x200/0x200 [ 237.831051] ? __switch_to_asm+0x34/0x70 [ 237.835114] ? __switch_to_asm+0x34/0x70 [ 237.839172] ? __switch_to_asm+0x40/0x70 [ 237.843229] ? __switch_to_asm+0x34/0x70 [ 237.847292] ? __switch_to_asm+0x40/0x70 [ 237.851355] ? __switch_to_asm+0x34/0x70 [ 237.855420] ? __switch_to_asm+0x40/0x70 [ 237.859481] ? __switch_to_asm+0x34/0x70 [ 237.863547] ? __switch_to_asm+0x34/0x70 [ 237.867638] ? __switch_to_asm+0x40/0x70 [ 237.871701] ? __switch_to_asm+0x34/0x70 [ 237.875767] bpf_clone_redirect+0xb9/0x490 [ 237.880006] ? __schedule+0x874/0x1ed0 [ 237.883899] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 237.888922] ? __sched_text_start+0x8/0x8 [ 237.893072] ? retint_kernel+0x2d/0x2d [ 237.896960] ? retint_kernel+0x2d/0x2d [ 237.900853] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.905788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.910580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.915343] ? trace_hardirqs_off+0x310/0x310 [ 237.919859] ? lock_acquire+0x1ed/0x520 [ 237.923840] ? bpf_test_run+0x32e/0x5a0 [ 237.927829] ? lock_release+0x970/0x970 [ 237.931808] ? preempt_schedule+0x4d/0x60 [ 237.935972] ? preempt_schedule_common+0x1f/0xd0 [ 237.940730] ? preempt_schedule+0x4d/0x60 [ 237.944882] ? ___preempt_schedule+0x16/0x18 [ 237.949313] ? bpf_test_run+0x1c0/0x5a0 [ 237.953303] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.957725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.963261] ? bpf_test_init.isra.9+0x70/0x100 [ 237.967853] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.972613] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.977458] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.982998] ? fput+0x130/0x1a0 [ 237.986281] ? __bpf_prog_get+0x9b/0x290 [ 237.990351] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.995196] ? bpf_prog_test_run+0x130/0x1a0 [ 237.999606] ? __x64_sys_bpf+0x3d8/0x510 [ 238.003665] ? bpf_prog_get+0x20/0x20 [ 238.007482] ? do_syscall_64+0x1b9/0x820 [ 238.011543] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.016908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.021862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.026707] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.031725] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.036742] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.041765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.046613] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.051992] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 238.052045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.058764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.065324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.074598] Call Trace: [ 238.085071] syz-executor0 cpuset=syz0 [ 238.087656] dump_stack+0x1c4/0x2b4 [ 238.087675] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.091458] mems_allowed=0 [ 238.095086] warn_alloc.cold.119+0xb7/0x1bd [ 238.107486] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.112331] ? lock_downgrade+0x900/0x900 [ 238.116490] ? trace_hardirqs_off+0xb8/0x310 [ 238.120901] ? trace_hardirqs_off+0xb8/0x310 [ 238.125314] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.130177] ? warn_alloc+0x120/0x120 [ 238.133979] ? warn_alloc+0x120/0x120 [ 238.137781] ? warn_alloc+0x120/0x120 [ 238.141595] ? mark_held_locks+0x130/0x130 [ 238.145852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.151396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.156938] ? should_fail+0x22d/0xd01 [ 238.160844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.165951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.171488] ? should_fail+0x22d/0xd01 [ 238.175378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.180480] ? should_fail+0x22d/0xd01 [ 238.184376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.189485] ? mark_held_locks+0x130/0x130 [ 238.193722] ? mark_held_locks+0x130/0x130 [ 238.197955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.203497] ? trace_hardirqs_off+0xb8/0x310 [ 238.207906] ? kasan_check_read+0x11/0x20 [ 238.212063] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.216480] ? trace_hardirqs_on+0x310/0x310 [ 238.220890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.226430] ? wq_watchdog_touch+0x9c/0xfe [ 238.230664] ? io_serial_in+0x11/0x90 [ 238.234464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.240009] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.245125] __alloc_pages_nodemask+0xa80/0xde0 [ 238.249794] ? should_fail+0x22d/0xd01 [ 238.253703] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.258754] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.263432] ? lock_downgrade+0x900/0x900 [ 238.267584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.273125] cache_grow_begin+0x91/0x8c0 [ 238.277188] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.281605] fallback_alloc+0x203/0x2e0 [ 238.285584] ____cache_alloc_node+0x1c7/0x1e0 [ 238.290086] kmem_cache_alloc_node+0xe3/0x730 [ 238.294583] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.298840] __alloc_skb+0x119/0x770 [ 238.302569] ? skb_scrub_packet+0x490/0x490 [ 238.306901] ? lock_downgrade+0x900/0x900 [ 238.311056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.316595] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.322051] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.327511] ? addrconf_rs_timer+0x690/0x690 [ 238.331929] ndisc_alloc_skb+0x144/0x340 [ 238.335996] ndisc_send_rs+0x331/0x6e0 [ 238.339891] addrconf_rs_timer+0x314/0x690 [ 238.344129] ? lock_release+0x970/0x970 [ 238.348106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.352351] call_timer_fn+0x272/0x920 [ 238.356243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.360479] ? process_timeout+0x40/0x40 [ 238.364541] ? kasan_check_read+0x11/0x20 [ 238.368689] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.373274] ? trace_hardirqs_on+0x310/0x310 [ 238.377692] ? __run_timers+0x7da/0xc70 [ 238.381672] ? lock_downgrade+0x900/0x900 [ 238.385845] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.390964] ? trace_hardirqs_on+0xbd/0x310 [ 238.395288] ? kasan_check_read+0x11/0x20 [ 238.399444] ? __run_timers+0x7da/0xc70 [ 238.403428] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.408885] ? kasan_check_write+0x14/0x20 [ 238.413122] ? do_raw_spin_lock+0xc1/0x200 [ 238.417383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.421623] __run_timers+0x7e5/0xc70 [ 238.425438] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.430842] ? lock_downgrade+0x900/0x900 [ 238.434995] ? finish_task_switch+0x1b5/0x900 [ 238.439495] ? trace_hardirqs_on+0xbd/0x310 [ 238.443834] ? kasan_check_read+0x11/0x20 [ 238.447986] ? finish_task_switch+0x1f5/0x900 [ 238.452486] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.457944] ? compat_start_thread+0x80/0x80 [ 238.462366] ? pvclock_read_flags+0x160/0x160 [ 238.466866] ? __switch_to_asm+0x34/0x70 [ 238.470932] ? __switch_to_asm+0x34/0x70 [ 238.474992] ? __switch_to_asm+0x40/0x70 [ 238.479067] ? __switch_to_asm+0x40/0x70 [ 238.483138] ? __switch_to_asm+0x34/0x70 [ 238.487205] ? __switch_to_asm+0x40/0x70 [ 238.491290] ? trace_hardirqs_on+0xbd/0x310 [ 238.495613] ? kvm_sched_clock_read+0x9/0x20 [ 238.500026] ? run_ksoftirqd+0x94/0x100 [ 238.504003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.509543] ? check_preemption_disabled+0x48/0x200 [ 238.514560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.520108] run_timer_softirq+0x52/0xb0 [ 238.524175] ? __this_cpu_preempt_check+0x1c/0x1f [ 238.529022] __do_softirq+0x30b/0xad8 [ 238.532853] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.537967] ? schedule+0x108/0x460 [ 238.541602] ? trace_hardirqs_off+0xb8/0x310 [ 238.546020] ? smpboot_thread_fn+0x68b/0xa00 [ 238.550430] ? trace_hardirqs_on+0x310/0x310 [ 238.554851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.560395] ? check_preemption_disabled+0x48/0x200 [ 238.565416] ? takeover_tasklets+0xa90/0xa90 [ 238.569841] run_ksoftirqd+0x94/0x100 [ 238.573648] smpboot_thread_fn+0x68b/0xa00 [ 238.577883] ? sort_range+0x30/0x30 [ 238.581515] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.586617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.592158] ? __kthread_parkme+0xfb/0x1a0 [ 238.596396] kthread+0x35a/0x420 [ 238.599762] ? sort_range+0x30/0x30 [ 238.603388] ? kthread_bind+0x40/0x40 [ 238.607195] ret_from_fork+0x3a/0x50 [ 238.610923] warn_alloc_show_mem: 1 callbacks suppressed [ 238.610936] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 238.610938] Mem-Info: [ 238.610969] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 238.610969] active_file:16 inactive_file:13 isolated_file:0 [ 238.610969] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.610969] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 238.610969] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 238.610969] free:13630 free_pcp:242 free_cma:0 [ 238.616315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.623508] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.625913] Call Trace: [ 238.658785] Node 0 [ 238.668146] [ 238.695685] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.698255] dump_stack+0x1c4/0x2b4 [ 238.700466] lowmem_reserve[]: [ 238.702621] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.728100] 0 [ 238.731731] warn_alloc.cold.119+0xb7/0x1bd [ 238.734809] 2819 [ 238.740008] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.741787] 6323 [ 238.746114] ? lock_downgrade+0x900/0x900 [ 238.748153] 6323 [ 238.752992] ? trace_hardirqs_off+0xb8/0x310 [ 238.759178] ? trace_hardirqs_off+0xb8/0x310 [ 238.761218] Node 0 [ 238.765627] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.770036] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 238.772257] ? warn_alloc+0x120/0x120 [ 238.777062] lowmem_reserve[]: [ 238.804039] ? trace_hardirqs_on+0x310/0x310 [ 238.807834] 0 [ 238.810932] ? warn_alloc+0x120/0x120 [ 238.815317] 0 [ 238.817124] ? warn_alloc+0x120/0x120 [ 238.820906] 3503 [ 238.822706] ? ktime_get+0x2e1/0x440 [ 238.826488] 3503 [ 238.828549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.834305] ? check_preemption_disabled+0x48/0x200 [ 238.839833] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 238.844885] ? kasan_check_read+0x11/0x20 [ 238.844903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.873772] lowmem_reserve[]: [ 238.877920] ? should_fail+0x22d/0xd01 [ 238.883432] 0 [ 238.886536] ? rcu_bh_qs+0xc0/0xc0 [ 238.890403] 0 [ 238.892203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.895719] 0 [ 238.897525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.902607] 0 [ 238.904407] ? should_fail+0x22d/0xd01 [ 238.911725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.915587] Node 0 [ 238.920684] ? should_fail+0x22d/0xd01 [ 238.920687] DMA: 1*4kB [ 238.922932] ? rcu_idle_enter+0x4b0/0x4b0 [ 238.926796] (U) [ 238.929391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.933536] 0*8kB [ 238.935515] ? mark_held_locks+0x130/0x130 [ 238.940593] 0*16kB [ 238.942741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.946955] 1*32kB [ 238.949193] ? mark_held_locks+0x130/0x130 [ 238.954710] (U) [ 238.956945] ? rcu_irq_exit+0xce/0x100 [ 238.961159] 2*64kB [ 238.963131] ? irq_exit+0xbd/0x1c0 [ 238.966997] (U) [ 238.969238] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 238.972751] 1*128kB [ 238.974725] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.979714] (U) [ 238.982038] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.986422] 1*256kB [ 238.988395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.994254] (U) [ 238.996579] ? ret_from_intr+0xb/0x1e [ 239.002093] 0*512kB [ 239.004064] ? retint_kernel+0x2d/0x2d [ 239.007852] 1*1024kB [ 239.010181] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.014043] (U) [ 239.016454] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.021358] 1*2048kB [ 239.023341] ? trace_hardirqs_off+0x310/0x310 [ 239.028068] (M) [ 239.030479] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.034954] 3*4096kB [ 239.036940] __alloc_pages_nodemask+0xa80/0xde0 [ 239.042017] (M) [ 239.044424] ? should_fail+0x22d/0xd01 [ 239.049074] = 15908kB [ 239.051046] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.054909] Node 0 [ 239.057335] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.062319] DMA32: [ 239.064581] ? lock_downgrade+0x900/0x900 [ 239.069231] 4*4kB [ 239.071465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.075587] (M) [ 239.077743] cache_grow_begin+0x91/0x8c0 [ 239.083258] 0*8kB [ 239.085235] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.089289] 2*16kB [ 239.091446] fallback_alloc+0x203/0x2e0 [ 239.095852] (M) [ 239.098088] ____cache_alloc_node+0x1c7/0x1e0 [ 239.102037] 2*32kB [ 239.104011] kmem_cache_alloc_node+0xe3/0x730 [ 239.108482] (M) [ 239.110721] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.115191] 5*64kB [ 239.117164] __alloc_skb+0x119/0x770 [ 239.121373] (UM) [ 239.123609] ? skb_scrub_packet+0x490/0x490 [ 239.127301] 3*128kB [ 239.129368] ? lock_downgrade+0x900/0x900 [ 239.133664] (M) [ 239.135988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.140115] 4*256kB [ 239.142095] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.147605] (UM) [ 239.149926] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.155352] 3*512kB [ 239.157414] ? addrconf_rs_timer+0x690/0x690 [ 239.162845] (M) [ 239.165175] ndisc_alloc_skb+0x144/0x340 [ 239.169579] 3*1024kB [ 239.171554] ndisc_send_rs+0x331/0x6e0 [ 239.175590] (UM) [ 239.178003] addrconf_rs_timer+0x314/0x690 [ 239.181870] 1*2048kB [ 239.183929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.188140] (M) [ 239.190552] call_timer_fn+0x272/0x920 [ 239.194762] 4*4096kB [ 239.196738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.200604] (M) [ 239.203014] ? process_timeout+0x40/0x40 [ 239.207222] = 24880kB [ 239.209199] ? trace_hardirqs_off+0xb8/0x310 [ 239.213234] Node 0 [ 239.215641] ? kasan_check_read+0x11/0x20 [ 239.220029] Normal: [ 239.222290] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.226415] 719*4kB [ 239.228739] ? trace_hardirqs_on+0x310/0x310 [ 239.233126] (ME) [ 239.235451] ? __run_timers+0x7da/0xc70 [ 239.239844] 385*8kB [ 239.241905] ? lock_downgrade+0x900/0x900 [ 239.245860] (UME) [ 239.248183] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.252307] 182*16kB [ 239.254463] ? trace_hardirqs_on+0xbd/0x310 [ 239.259542] (ME) [ 239.261951] ? kasan_check_read+0x11/0x20 [ 239.266246] 99*32kB (UME) [ 239.268321] ? __run_timers+0x7da/0xc70 [ 239.272447] 27*64kB [ 239.275288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.279250] (UM) [ 239.281568] ? kasan_check_write+0x14/0x20 [ 239.287002] 0*128kB [ 239.289062] ? do_raw_spin_lock+0xc1/0x200 [ 239.293272] 0*256kB [ 239.295597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.299809] 0*512kB [ 239.302142] __run_timers+0x7e5/0xc70 [ 239.306357] 0*1024kB [ 239.308687] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.312459] 0*2048kB [ 239.314869] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.320207] 0*4096kB [ 239.322614] ? rcu_bh_qs+0xc0/0xc0 [ 239.327881] = 13764kB [ 239.327897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.330306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.333841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.336250] ? check_preemption_disabled+0x48/0x200 [ 239.345065] 148 total pagecache pages [ 239.350600] ? rcu_nmi_exit+0xdb/0x280 [ 239.359152] 0 pages in swap cache [ 239.364166] ? ret_from_intr+0xb/0x1e [ 239.367950] Swap cache stats: add 0, delete 0, find 0/0 [ 239.371838] ? retint_kernel+0x2d/0x2d [ 239.375275] Free swap = 0kB [ 239.379073] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.384411] Total swap = 0kB [ 239.388297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.391290] 1965979 pages RAM [ 239.396217] ? trace_hardirqs_off+0x310/0x310 [ 239.399218] 0 pages HighMem/MovableOnly [ 239.404221] ? check_preemption_disabled+0x48/0x200 [ 239.407309] 342307 pages reserved [ 239.411809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.415773] 0 pages cma reserved [ 239.420789] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.424268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.429768] ? retint_kernel+0x2d/0x2d [ 239.429785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.429805] ? check_preemption_disabled+0x48/0x200 [ 239.433208] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.437918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.444388] ksoftirqd/0 cpuset= [ 239.448277] run_timer_softirq+0x52/0xb0 [ 239.453791] / [ 239.458826] ? __this_cpu_preempt_check+0x1c/0x1f [ 239.469121] mems_allowed=0 [ 239.474657] __do_softirq+0x30b/0xad8 [ 239.495240] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.500353] ? pvclock_read_flags+0x160/0x160 [ 239.504856] ? lapic_next_event+0x5a/0x90 [ 239.509397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.514937] ? clockevents_program_event+0x140/0x370 [ 239.520045] ? kvm_clock_read+0x18/0x30 [ 239.524021] ? kvm_sched_clock_read+0x9/0x20 [ 239.528433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.533981] ? check_preemption_disabled+0x48/0x200 [ 239.539016] irq_exit+0x17f/0x1c0 [ 239.542474] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.547317] ? smp_reschedule_interrupt+0x109/0x650 [ 239.552351] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.558238] ? interrupt_entry+0xb5/0xf0 [ 239.562304] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.567332] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.572360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.577202] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.582221] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.587243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.592789] ? check_preemption_disabled+0x48/0x200 [ 239.597810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.603369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.608221] apic_timer_interrupt+0xf/0x20 [ 239.612451] [ 239.614716] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.619645] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 239.638544] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.646255] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 239.653526] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 239.660796] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 239.668075] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 239.675346] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 239.682632] ? trace_hardirqs_on+0xb4/0x310 [ 239.686972] skb_clone+0x1bb/0x500 [ 239.690513] ? finish_task_switch+0x2f5/0x900 [ 239.695010] ? skb_split+0x11e0/0x11e0 [ 239.698901] ? preempt_notifier_register+0x200/0x200 [ 239.704003] ? __switch_to_asm+0x34/0x70 [ 239.708064] ? __switch_to_asm+0x34/0x70 [ 239.712124] ? __switch_to_asm+0x40/0x70 [ 239.716181] ? __switch_to_asm+0x34/0x70 [ 239.720241] ? __switch_to_asm+0x40/0x70 [ 239.724303] ? __switch_to_asm+0x34/0x70 [ 239.728370] ? __switch_to_asm+0x40/0x70 [ 239.732429] ? __switch_to_asm+0x34/0x70 [ 239.736491] ? __switch_to_asm+0x34/0x70 [ 239.740549] ? __switch_to_asm+0x40/0x70 [ 239.744610] ? __switch_to_asm+0x34/0x70 [ 239.748677] bpf_clone_redirect+0xb9/0x490 [ 239.752915] ? __schedule+0x874/0x1ed0 [ 239.756804] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 239.761849] ? __sched_text_start+0x8/0x8 [ 239.766000] ? retint_kernel+0x2d/0x2d [ 239.769885] ? retint_kernel+0x2d/0x2d [ 239.773777] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.778709] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.783464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.788224] ? trace_hardirqs_off+0x310/0x310 [ 239.792727] ? lock_acquire+0x1ed/0x520 [ 239.796700] ? bpf_test_run+0x32e/0x5a0 [ 239.800683] ? lock_release+0x970/0x970 [ 239.804658] ? preempt_schedule+0x4d/0x60 [ 239.808811] ? preempt_schedule_common+0x1f/0xd0 [ 239.813583] ? preempt_schedule+0x4d/0x60 [ 239.817733] ? ___preempt_schedule+0x16/0x18 [ 239.822149] ? bpf_test_run+0x1c0/0x5a0 [ 239.826132] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.830542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.836079] ? bpf_test_init.isra.9+0x70/0x100 [ 239.840663] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.845421] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.850264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.855799] ? fput+0x130/0x1a0 [ 239.859093] ? __bpf_prog_get+0x9b/0x290 [ 239.863154] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.867997] ? bpf_prog_test_run+0x130/0x1a0 [ 239.872411] ? __x64_sys_bpf+0x3d8/0x510 [ 239.876471] ? bpf_prog_get+0x20/0x20 [ 239.880288] ? do_syscall_64+0x1b9/0x820 [ 239.884357] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.889722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.894649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.899492] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.904511] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.909530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.914550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.919397] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.924772] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 239.924833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.931554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.931559] Call Trace: [ 239.931579] dump_stack+0x1c4/0x2b4 [ 239.931600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.938136] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.947457] warn_alloc.cold.119+0xb7/0x1bd [ 239.950017] syz-executor0 cpuset= [ 239.953643] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.958809] syz0 [ 239.969306] ? lock_downgrade+0x900/0x900 [ 239.973607] mems_allowed=0 [ 239.977056] ? trace_hardirqs_off+0xb8/0x310 [ 239.995296] ? trace_hardirqs_off+0xb8/0x310 [ 239.999709] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.004570] ? warn_alloc+0x120/0x120 [ 240.008373] ? warn_alloc+0x120/0x120 [ 240.012177] ? warn_alloc+0x120/0x120 [ 240.015981] ? mark_held_locks+0x130/0x130 [ 240.020224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.025759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.031300] ? should_fail+0x22d/0xd01 [ 240.035191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.040296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.045847] ? should_fail+0x22d/0xd01 [ 240.049737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.054858] ? should_fail+0x22d/0xd01 [ 240.058754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.063868] ? mark_held_locks+0x130/0x130 [ 240.068107] ? mark_held_locks+0x130/0x130 [ 240.072349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.077895] ? trace_hardirqs_off+0xb8/0x310 [ 240.082299] ? kasan_check_read+0x11/0x20 [ 240.086455] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.090866] ? trace_hardirqs_on+0x310/0x310 [ 240.095276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.100821] ? wq_watchdog_touch+0x9c/0xfe [ 240.105069] ? io_serial_in+0x11/0x90 [ 240.108873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.114414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.119529] __alloc_pages_nodemask+0xa80/0xde0 [ 240.124200] ? should_fail+0x22d/0xd01 [ 240.128095] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.133126] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.137798] ? lock_downgrade+0x900/0x900 [ 240.141965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.147506] cache_grow_begin+0x91/0x8c0 [ 240.151574] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.156006] fallback_alloc+0x203/0x2e0 [ 240.159987] ____cache_alloc_node+0x1c7/0x1e0 [ 240.164487] kmem_cache_alloc_node+0xe3/0x730 [ 240.168987] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.173230] __alloc_skb+0x119/0x770 [ 240.176946] ? skb_scrub_packet+0x490/0x490 [ 240.181273] ? lock_downgrade+0x900/0x900 [ 240.185427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.190965] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.196418] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.201877] ? addrconf_rs_timer+0x690/0x690 [ 240.206293] ndisc_alloc_skb+0x144/0x340 [ 240.210361] ndisc_send_rs+0x331/0x6e0 [ 240.214253] addrconf_rs_timer+0x314/0x690 [ 240.218492] ? lock_release+0x970/0x970 [ 240.222473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.226719] call_timer_fn+0x272/0x920 [ 240.230611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.234857] ? process_timeout+0x40/0x40 [ 240.238918] ? kasan_check_read+0x11/0x20 [ 240.243065] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.247474] ? trace_hardirqs_on+0x310/0x310 [ 240.251886] ? __run_timers+0x7da/0xc70 [ 240.255866] ? lock_downgrade+0x900/0x900 [ 240.260022] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.265126] ? trace_hardirqs_on+0xbd/0x310 [ 240.269448] ? kasan_check_read+0x11/0x20 [ 240.273595] ? __run_timers+0x7da/0xc70 [ 240.277569] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.283020] ? kasan_check_write+0x14/0x20 [ 240.287255] ? do_raw_spin_lock+0xc1/0x200 [ 240.291495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.295731] __run_timers+0x7e5/0xc70 [ 240.299540] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.304905] ? lock_downgrade+0x900/0x900 [ 240.309051] ? finish_task_switch+0x1b5/0x900 [ 240.313553] ? trace_hardirqs_on+0xbd/0x310 [ 240.317870] ? kasan_check_read+0x11/0x20 [ 240.322020] ? finish_task_switch+0x1f5/0x900 [ 240.326514] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.331968] ? compat_start_thread+0x80/0x80 [ 240.336392] ? pvclock_read_flags+0x160/0x160 [ 240.340886] ? __switch_to_asm+0x34/0x70 [ 240.344950] ? __switch_to_asm+0x34/0x70 [ 240.349012] ? __switch_to_asm+0x40/0x70 [ 240.353071] ? __switch_to_asm+0x40/0x70 [ 240.357128] ? __switch_to_asm+0x34/0x70 [ 240.361196] ? __switch_to_asm+0x40/0x70 [ 240.365267] ? trace_hardirqs_on+0xbd/0x310 [ 240.369588] ? kvm_sched_clock_read+0x9/0x20 [ 240.374018] ? run_ksoftirqd+0x94/0x100 [ 240.378010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.383551] ? check_preemption_disabled+0x48/0x200 [ 240.388566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.394107] run_timer_softirq+0x52/0xb0 [ 240.398170] ? __this_cpu_preempt_check+0x1c/0x1f [ 240.403016] __do_softirq+0x30b/0xad8 [ 240.406839] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.411950] ? schedule+0x108/0x460 [ 240.415587] ? trace_hardirqs_off+0xb8/0x310 [ 240.419999] ? smpboot_thread_fn+0x68b/0xa00 [ 240.424409] ? trace_hardirqs_on+0x310/0x310 [ 240.428837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.434378] ? check_preemption_disabled+0x48/0x200 [ 240.439396] ? takeover_tasklets+0xa90/0xa90 [ 240.443804] run_ksoftirqd+0x94/0x100 [ 240.447648] smpboot_thread_fn+0x68b/0xa00 [ 240.451890] ? sort_range+0x30/0x30 [ 240.455518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.460631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.466178] ? __kthread_parkme+0xfb/0x1a0 [ 240.470423] kthread+0x35a/0x420 [ 240.473791] ? sort_range+0x30/0x30 [ 240.477432] ? kthread_bind+0x40/0x40 [ 240.481245] ret_from_fork+0x3a/0x50 [ 240.484970] warn_alloc_show_mem: 1 callbacks suppressed [ 240.484983] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 240.484985] Mem-Info: [ 240.485016] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 240.485016] active_file:16 inactive_file:13 isolated_file:0 [ 240.485016] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.485016] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 240.485016] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 240.485016] free:13630 free_pcp:242 free_cma:0 [ 240.490377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.497583] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.499994] Call Trace: [ 240.532871] Node 0 [ 240.542229] [ 240.569921] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 240.572492] dump_stack+0x1c4/0x2b4 [ 240.574702] lowmem_reserve[]: [ 240.576862] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.602338] 0 2819 [ 240.605996] warn_alloc.cold.119+0xb7/0x1bd [ 240.609070] 6323 [ 240.614259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.616476] 6323 [ 240.620802] ? lock_downgrade+0x900/0x900 [ 240.622868] Node 0 [ 240.627716] ? trace_hardirqs_off+0xb8/0x310 [ 240.629879] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.634007] ? trace_hardirqs_off+0xb8/0x310 [ 240.636214] lowmem_reserve[]: 0 [ 240.640633] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.667589] 0 [ 240.672012] ? warn_alloc+0x120/0x120 [ 240.675252] 3503 [ 240.680093] ? lock_release+0x970/0x970 [ 240.681875] 3503 [ 240.685693] ? warn_alloc+0x120/0x120 [ 240.687740] Node 0 [ 240.691715] ? trace_hardirqs_on+0x310/0x310 [ 240.693787] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 240.697558] ? warn_alloc+0x120/0x120 [ 240.699780] lowmem_reserve[]: [ 240.704187] ? mark_held_locks+0x130/0x130 [ 240.732451] 0 [ 240.736261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.739342] 0 [ 240.743574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.745358] 0 [ 240.750893] ? should_fail+0x22d/0xd01 [ 240.752672] 0 [ 240.758208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.763870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.765649] Node 0 [ 240.770769] ? should_fail+0x22d/0xd01 [ 240.776289] DMA: [ 240.778527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.782394] 1*4kB [ 240.784453] ? should_fail+0x22d/0xd01 [ 240.789534] (U) [ 240.791709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.795575] 0*8kB [ 240.797549] ? mark_held_locks+0x130/0x130 [ 240.802629] 0*16kB [ 240.804779] ? mark_held_locks+0x130/0x130 [ 240.808991] 1*32kB [ 240.811225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.815434] (U) [ 240.817673] ? trace_hardirqs_off+0xb8/0x310 [ 240.823186] 2*64kB [ 240.825159] ? kasan_check_read+0x11/0x20 [ 240.829547] (U) [ 240.831785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.835907] 1*128kB (U) [ 240.837902] ? trace_hardirqs_on+0x310/0x310 [ 240.842297] 1*256kB [ 240.844967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.849352] (U) [ 240.851674] ? wq_watchdog_touch+0x9c/0xfe [ 240.857189] 0*512kB [ 240.859166] ? io_serial_in+0x11/0x90 [ 240.863382] 1*1024kB [ 240.865705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.869483] (U) [ 240.871892] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.877406] 1*2048kB [ 240.879412] __alloc_pages_nodemask+0xa80/0xde0 [ 240.884491] (M) [ 240.886900] ? should_fail+0x22d/0xd01 [ 240.891549] 3*4096kB [ 240.893523] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.897389] (M) [ 240.899811] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.904807] = 15908kB [ 240.906792] ? lock_downgrade+0x900/0x900 [ 240.911437] Node 0 [ 240.913854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.917981] DMA32: [ 240.920221] cache_grow_begin+0x91/0x8c0 [ 240.925734] 4*4kB [ 240.927973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.932001] (M) 0*8kB [ 240.934162] fallback_alloc+0x203/0x2e0 [ 240.938548] 2*16kB [ 240.941047] ____cache_alloc_node+0x1c7/0x1e0 [ 240.944995] (M) [ 240.947229] kmem_cache_alloc_node+0xe3/0x730 [ 240.951723] 2*32kB [ 240.953697] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.958170] (M) [ 240.960406] __alloc_skb+0x119/0x770 [ 240.964620] 5*64kB [ 240.966590] ? skb_scrub_packet+0x490/0x490 [ 240.970279] (UM) [ 240.972513] ? lock_downgrade+0x900/0x900 [ 240.976821] 3*128kB [ 240.978882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.983006] (M) [ 240.985335] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.990852] 4*256kB [ 240.992834] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.998264] (UM) [ 241.000586] ? addrconf_rs_timer+0x690/0x690 [ 241.006014] 3*512kB [ 241.008081] ndisc_alloc_skb+0x144/0x340 [ 241.012463] (M) [ 241.014784] ndisc_send_rs+0x331/0x6e0 [ 241.018834] 3*1024kB [ 241.020805] addrconf_rs_timer+0x314/0x690 [ 241.024684] (UM) [ 241.027096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.031303] 1*2048kB (M) [ 241.033387] call_timer_fn+0x272/0x920 [ 241.037597] 4*4096kB [ 241.040361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.044224] (M) [ 241.046635] ? process_timeout+0x40/0x40 [ 241.050855] = 24880kB [ 241.052839] ? trace_hardirqs_off+0xb8/0x310 [ 241.056884] Node 0 [ 241.059295] ? kasan_check_read+0x11/0x20 [ 241.063768] Normal: [ 241.066004] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.070125] 719*4kB [ 241.072468] ? trace_hardirqs_on+0x310/0x310 [ 241.076858] (ME) [ 241.079180] ? __run_timers+0x7da/0xc70 [ 241.083572] 385*8kB [ 241.085634] ? lock_downgrade+0x900/0x900 [ 241.089583] (UME) [ 241.091907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.096033] 182*16kB [ 241.098179] ? trace_hardirqs_on+0xbd/0x310 [ 241.103260] (ME) [ 241.105670] ? kasan_check_read+0x11/0x20 [ 241.109976] 99*32kB [ 241.112036] ? __run_timers+0x7da/0xc70 [ 241.116160] (UME) [ 241.118485] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.122436] 27*64kB [ 241.124581] ? kasan_check_write+0x14/0x20 [ 241.130009] (UM) [ 241.132340] ? do_raw_spin_lock+0xc1/0x200 [ 241.136543] 0*128kB [ 241.138602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.142835] 0*256kB [ 241.145171] __run_timers+0x7e5/0xc70 [ 241.149385] 0*512kB [ 241.151709] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.155485] 0*1024kB [ 241.157810] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.163165] 0*2048kB [ 241.165576] ? rcu_bh_qs+0xc0/0xc0 [ 241.170856] 0*4096kB [ 241.173268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.176784] = 13764kB [ 241.179193] ? check_preemption_disabled+0x48/0x200 [ 241.184710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.187111] ? rcu_nmi_exit+0xdb/0x280 [ 241.192109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 241.200937] ? ret_from_intr+0xb/0x1e [ 241.204806] 148 total pagecache pages [ 241.213389] ? retint_kernel+0x2d/0x2d [ 241.217168] 0 pages in swap cache [ 241.220967] ? trace_hardirqs_on_caller+0xc0/0x310 [ 241.224840] Swap cache stats: add 0, delete 0, find 0/0 [ 241.228287] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.233194] Free swap = 0kB [ 241.238557] ? trace_hardirqs_off+0x310/0x310 [ 241.243294] Total swap = 0kB [ 241.246310] ? check_preemption_disabled+0x48/0x200 [ 241.250780] 1965979 pages RAM [ 241.253801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.258799] 0 pages HighMem/MovableOnly [ 241.258809] 342307 pages reserved [ 241.261924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.267440] 0 pages cma reserved [ 241.271494] ? retint_kernel+0x2d/0x2d [ 241.274981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.279676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.279694] ? check_preemption_disabled+0x48/0x200 [ 241.279712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.283118] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.286978] run_timer_softirq+0x52/0xb0 [ 241.293445] ksoftirqd/0 cpuset= [ 241.298985] ? __this_cpu_preempt_check+0x1c/0x1f [ 241.303979] / [ 241.309519] __do_softirq+0x30b/0xad8 [ 241.319837] mems_allowed=0 [ 241.323903] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.345491] ? pvclock_read_flags+0x160/0x160 [ 241.349989] ? lapic_next_event+0x5a/0x90 [ 241.354146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.359691] ? clockevents_program_event+0x140/0x370 [ 241.364799] ? kvm_clock_read+0x18/0x30 [ 241.368788] ? kvm_sched_clock_read+0x9/0x20 [ 241.373206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.379267] ? check_preemption_disabled+0x48/0x200 [ 241.384290] irq_exit+0x17f/0x1c0 [ 241.387746] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.392592] ? smp_reschedule_interrupt+0x109/0x650 [ 241.397613] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.403784] ? interrupt_entry+0xb5/0xf0 [ 241.407863] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.412876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.417891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.422732] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.427745] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.432761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.438302] ? check_preemption_disabled+0x48/0x200 [ 241.443324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.448876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.453727] apic_timer_interrupt+0xf/0x20 [ 241.457953] [ 241.460189] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.465123] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 241.484025] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.491734] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 241.499000] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 241.506267] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 241.514047] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 241.521316] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 241.528623] ? trace_hardirqs_on+0xb4/0x310 [ 241.532958] skb_clone+0x1bb/0x500 [ 241.536498] ? finish_task_switch+0x2f5/0x900 [ 241.540991] ? skb_split+0x11e0/0x11e0 [ 241.544878] ? preempt_notifier_register+0x200/0x200 [ 241.549981] ? __switch_to_asm+0x34/0x70 [ 241.554042] ? __switch_to_asm+0x34/0x70 [ 241.558099] ? __switch_to_asm+0x40/0x70 [ 241.562155] ? __switch_to_asm+0x34/0x70 [ 241.566211] ? __switch_to_asm+0x40/0x70 [ 241.570268] ? __switch_to_asm+0x34/0x70 [ 241.574323] ? __switch_to_asm+0x40/0x70 [ 241.578390] ? __switch_to_asm+0x34/0x70 [ 241.582449] ? __switch_to_asm+0x34/0x70 [ 241.586507] ? __switch_to_asm+0x40/0x70 [ 241.590586] ? __switch_to_asm+0x34/0x70 [ 241.594660] bpf_clone_redirect+0xb9/0x490 [ 241.598902] ? __schedule+0x874/0x1ed0 [ 241.602796] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 241.607834] ? __sched_text_start+0x8/0x8 [ 241.611990] ? retint_kernel+0x2d/0x2d [ 241.615874] ? retint_kernel+0x2d/0x2d [ 241.619762] ? trace_hardirqs_on_caller+0xc0/0x310 [ 241.624697] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.629457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.634215] ? trace_hardirqs_off+0x310/0x310 [ 241.638718] ? lock_acquire+0x1ed/0x520 [ 241.642691] ? bpf_test_run+0x32e/0x5a0 [ 241.646667] ? lock_release+0x970/0x970 [ 241.650641] ? preempt_schedule+0x4d/0x60 [ 241.654878] ? preempt_schedule_common+0x1f/0xd0 [ 241.659636] ? preempt_schedule+0x4d/0x60 [ 241.663794] ? ___preempt_schedule+0x16/0x18 [ 241.668219] ? bpf_test_run+0x1c0/0x5a0 [ 241.672201] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.676610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.682145] ? bpf_test_init.isra.9+0x70/0x100 [ 241.686740] ? bpf_prog_test_run_skb+0x634/0xb40 [ 241.691502] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.696367] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.701904] ? fput+0x130/0x1a0 [ 241.705203] ? __bpf_prog_get+0x9b/0x290 [ 241.709263] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.714104] ? bpf_prog_test_run+0x130/0x1a0 [ 241.718514] ? __x64_sys_bpf+0x3d8/0x510 [ 241.722578] ? bpf_prog_get+0x20/0x20 [ 241.726394] ? do_syscall_64+0x1b9/0x820 [ 241.730455] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.735834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.740774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.745620] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.750641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.755663] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.760685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.765535] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.770911] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 241.770962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.777682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.777692] Call Trace: [ 241.784264] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.793533] dump_stack+0x1c4/0x2b4 [ 241.796096] syz-executor0 cpuset= [ 241.806583] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.810188] syz0 [ 241.813643] warn_alloc.cold.119+0xb7/0x1bd [ 241.818819] mems_allowed=0 [ 241.820800] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.832954] ? lock_downgrade+0x900/0x900 [ 241.837106] ? trace_hardirqs_off+0xb8/0x310 [ 241.841516] ? trace_hardirqs_off+0xb8/0x310 [ 241.845932] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.850794] ? warn_alloc+0x120/0x120 [ 241.854622] ? warn_alloc+0x120/0x120 [ 241.858424] ? warn_alloc+0x120/0x120 [ 241.862237] ? mark_held_locks+0x130/0x130 [ 241.866488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.872025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.877564] ? should_fail+0x22d/0xd01 [ 241.881453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.886553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.892092] ? should_fail+0x22d/0xd01 [ 241.895985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.901088] ? should_fail+0x22d/0xd01 [ 241.904982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.910089] ? mark_held_locks+0x130/0x130 [ 241.914326] ? mark_held_locks+0x130/0x130 [ 241.918561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.924120] ? mark_held_locks+0x130/0x130 [ 241.928384] ? trace_hardirqs_on+0x310/0x310 [ 241.932795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.938350] ? wq_watchdog_touch+0x9c/0xfe [ 241.942584] ? io_serial_in+0x11/0x90 [ 241.946385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.951928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.957037] __alloc_pages_nodemask+0xa80/0xde0 [ 241.961731] ? should_fail+0x22d/0xd01 [ 241.965627] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.970661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.975362] ? lock_downgrade+0x900/0x900 [ 241.979514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.985054] cache_grow_begin+0x91/0x8c0 [ 241.989119] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.993530] fallback_alloc+0x203/0x2e0 [ 241.997506] ____cache_alloc_node+0x1c7/0x1e0 [ 242.002003] kmem_cache_alloc_node+0xe3/0x730 [ 242.006499] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.010735] __alloc_skb+0x119/0x770 [ 242.014449] ? skb_scrub_packet+0x490/0x490 [ 242.018770] ? lock_downgrade+0x900/0x900 [ 242.022920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.028456] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.033906] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.039355] ? addrconf_rs_timer+0x690/0x690 [ 242.043773] ndisc_alloc_skb+0x144/0x340 [ 242.047862] ndisc_send_rs+0x331/0x6e0 [ 242.051753] addrconf_rs_timer+0x314/0x690 [ 242.055985] ? lock_release+0x970/0x970 [ 242.059964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.064205] call_timer_fn+0x272/0x920 [ 242.068091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.072324] ? process_timeout+0x40/0x40 [ 242.076384] ? kasan_check_read+0x11/0x20 [ 242.080548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.084963] ? trace_hardirqs_on+0x310/0x310 [ 242.089372] ? __run_timers+0x7da/0xc70 [ 242.093346] ? lock_downgrade+0x900/0x900 [ 242.097513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.102615] ? trace_hardirqs_on+0xbd/0x310 [ 242.106932] ? kasan_check_read+0x11/0x20 [ 242.111082] ? __run_timers+0x7da/0xc70 [ 242.115055] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.120508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.126049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.130283] __run_timers+0x7e5/0xc70 [ 242.134094] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.139463] ? lock_downgrade+0x900/0x900 [ 242.143610] ? finish_task_switch+0x1b5/0x900 [ 242.148113] ? trace_hardirqs_on+0xbd/0x310 [ 242.152433] ? kasan_check_read+0x11/0x20 [ 242.156580] ? finish_task_switch+0x1f5/0x900 [ 242.161076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.166526] ? compat_start_thread+0x80/0x80 [ 242.170948] ? pvclock_read_flags+0x160/0x160 [ 242.175442] ? __switch_to_asm+0x34/0x70 [ 242.179500] ? __switch_to_asm+0x34/0x70 [ 242.183560] ? __switch_to_asm+0x40/0x70 [ 242.187622] ? __switch_to_asm+0x40/0x70 [ 242.191677] ? __switch_to_asm+0x34/0x70 [ 242.195733] ? __switch_to_asm+0x40/0x70 [ 242.199882] ? trace_hardirqs_on+0xbd/0x310 [ 242.204247] ? kvm_sched_clock_read+0x9/0x20 [ 242.208658] ? run_ksoftirqd+0x94/0x100 [ 242.212633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.218177] ? check_preemption_disabled+0x48/0x200 [ 242.223191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.228731] run_timer_softirq+0x52/0xb0 [ 242.232794] ? __this_cpu_preempt_check+0x1c/0x1f [ 242.237648] __do_softirq+0x30b/0xad8 [ 242.241452] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.246559] ? schedule+0x108/0x460 [ 242.250193] ? trace_hardirqs_off+0xb8/0x310 [ 242.254600] ? smpboot_thread_fn+0x68b/0xa00 [ 242.259006] ? trace_hardirqs_on+0x310/0x310 [ 242.263418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.268960] ? check_preemption_disabled+0x48/0x200 [ 242.273977] ? takeover_tasklets+0xa90/0xa90 [ 242.278386] run_ksoftirqd+0x94/0x100 [ 242.282186] smpboot_thread_fn+0x68b/0xa00 [ 242.286422] ? sort_range+0x30/0x30 [ 242.290048] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.295150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.300685] ? __kthread_parkme+0xfb/0x1a0 [ 242.304920] kthread+0x35a/0x420 [ 242.308285] ? sort_range+0x30/0x30 [ 242.311909] ? kthread_bind+0x40/0x40 [ 242.315707] ret_from_fork+0x3a/0x50 [ 242.319426] warn_alloc_show_mem: 1 callbacks suppressed [ 242.319438] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 242.319440] Mem-Info: [ 242.319469] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 242.319469] active_file:16 inactive_file:13 isolated_file:0 [ 242.319469] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.319469] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 242.319469] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 242.319469] free:13630 free_pcp:242 free_cma:0 [ 242.324825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.332021] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.334424] Call Trace: [ 242.367339] Node 0 [ 242.376715] [ 242.404273] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.406852] dump_stack+0x1c4/0x2b4 [ 242.409061] lowmem_reserve[]: [ 242.411212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.436786] 0 [ 242.440428] warn_alloc.cold.119+0xb7/0x1bd [ 242.443520] 2819 [ 242.448706] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.450490] 6323 [ 242.454808] ? lock_downgrade+0x900/0x900 [ 242.456859] 6323 [ 242.461707] ? trace_hardirqs_off+0xb8/0x310 [ 242.467886] ? trace_hardirqs_off+0xb8/0x310 [ 242.469931] Node 0 [ 242.474341] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.478747] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 242.480970] ? warn_alloc+0x120/0x120 [ 242.485777] lowmem_reserve[]: [ 242.512764] ? trace_hardirqs_on+0x310/0x310 [ 242.516546] 0 [ 242.519649] ? warn_alloc+0x120/0x120 [ 242.524033] 0 [ 242.525849] ? warn_alloc+0x120/0x120 [ 242.529630] 3503 [ 242.531431] ? ktime_get+0x2e1/0x440 [ 242.535205] 3503 [ 242.537268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.543017] ? check_preemption_disabled+0x48/0x200 [ 242.548529] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 242.553573] ? kasan_check_read+0x11/0x20 [ 242.553591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.582464] lowmem_reserve[]: [ 242.586616] ? should_fail+0x22d/0xd01 [ 242.592126] 0 [ 242.595229] ? rcu_bh_qs+0xc0/0xc0 [ 242.599094] 0 [ 242.600897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.604410] 0 [ 242.606211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.611290] 0 [ 242.613094] ? should_fail+0x22d/0xd01 [ 242.620418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.624298] Node 0 [ 242.629390] ? should_fail+0x22d/0xd01 [ 242.629393] DMA: 1*4kB [ 242.631635] ? rcu_idle_enter+0x4b0/0x4b0 [ 242.635497] (U) [ 242.638078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.642198] 0*8kB 0*16kB [ 242.644197] ? mark_held_locks+0x130/0x130 [ 242.649277] 1*32kB [ 242.652032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.656243] (U) [ 242.658480] ? mark_held_locks+0x130/0x130 [ 242.663993] 2*64kB [ 242.665970] ? rcu_irq_exit+0xce/0x100 [ 242.670180] (U) [ 242.672419] ? irq_exit+0xbd/0x1c0 [ 242.676282] 1*128kB [ 242.678255] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 242.681768] (U) [ 242.684090] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.689084] 1*256kB (U) [ 242.691076] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.695459] 0*512kB [ 242.698133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.704001] 1*1024kB (U) [ 242.706339] ? ret_from_intr+0xb/0x1e [ 242.711850] 1*2048kB [ 242.714607] ? retint_kernel+0x2d/0x2d [ 242.718382] (M) [ 242.720791] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.724650] 3*4096kB (M) [ 242.726636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.731540] = 15908kB [ 242.734304] ? trace_hardirqs_off+0x310/0x310 [ 242.739051] Node 0 [ 242.741471] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.745938] DMA32: [ 242.748178] __alloc_pages_nodemask+0xa80/0xde0 [ 242.753255] 4*4kB [ 242.755495] ? should_fail+0x22d/0xd01 [ 242.760169] (M) [ 242.762322] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.766183] 0*8kB [ 242.768164] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.773149] 2*16kB [ 242.775303] ? lock_downgrade+0x900/0x900 [ 242.779953] (M) [ 242.782190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.786320] 2*32kB [ 242.788311] cache_grow_begin+0x91/0x8c0 [ 242.793840] (M) [ 242.796075] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.800113] 5*64kB [ 242.802088] fallback_alloc+0x203/0x2e0 [ 242.806474] (UM) [ 242.808709] ____cache_alloc_node+0x1c7/0x1e0 [ 242.812674] 3*128kB [ 242.814731] kmem_cache_alloc_node+0xe3/0x730 [ 242.819204] (M) [ 242.821542] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.826013] 4*256kB [ 242.828007] __alloc_skb+0x119/0x770 [ 242.832216] (UM) [ 242.834534] ? skb_scrub_packet+0x490/0x490 [ 242.838221] 3*512kB (M) [ 242.840305] ? lock_downgrade+0x900/0x900 [ 242.844611] 3*1024kB [ 242.847367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.851487] (UM) [ 242.853897] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.859411] 1*2048kB [ 242.861484] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.866923] (M) [ 242.869351] ? addrconf_rs_timer+0x690/0x690 [ 242.874780] 4*4096kB [ 242.876757] ndisc_alloc_skb+0x144/0x340 [ 242.881142] (M) [ 242.883550] ndisc_send_rs+0x331/0x6e0 [ 242.887590] = 24880kB [ 242.889562] addrconf_rs_timer+0x314/0x690 [ 242.893446] Node 0 [ 242.895855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.895877] call_timer_fn+0x272/0x920 [ 242.900087] Normal: [ 242.902322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.906533] 719*4kB [ 242.910416] ? process_timeout+0x40/0x40 [ 242.912714] (ME) [ 242.916946] ? trace_hardirqs_off+0xb8/0x310 [ 242.919252] 385*8kB [ 242.923310] ? kasan_check_read+0x11/0x20 [ 242.925359] (UME) [ 242.929763] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.932062] 182*16kB [ 242.936202] ? trace_hardirqs_on+0x310/0x310 [ 242.938328] (ME) 99*32kB (UME) 27*64kB (UM) [ 242.942754] ? __run_timers+0x7da/0xc70 [ 242.945141] 0*128kB [ 242.949545] ? lock_downgrade+0x900/0x900 [ 242.953930] 0*256kB [ 242.957902] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.960202] 0*512kB [ 242.964344] ? trace_hardirqs_on+0xbd/0x310 [ 242.966645] 0*1024kB [ 242.971740] ? kasan_check_read+0x11/0x20 [ 242.974045] 0*2048kB [ 242.978369] ? __run_timers+0x7da/0xc70 [ 242.980761] 0*4096kB [ 242.984903] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.987290] = 13764kB [ 242.991255] ? kasan_check_write+0x14/0x20 [ 242.993656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.999096] ? do_raw_spin_lock+0xc1/0x200 [ 243.001488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.005714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.014526] 148 total pagecache pages [ 243.018822] __run_timers+0x7e5/0xc70 [ 243.027379] 0 pages in swap cache [ 243.031614] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.035389] Swap cache stats: add 0, delete 0, find 0/0 [ 243.039183] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.042621] Free swap = 0kB [ 243.047983] ? rcu_bh_qs+0xc0/0xc0 [ 243.053347] Total swap = 0kB [ 243.058622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.061614] 1965979 pages RAM [ 243.065151] ? check_preemption_disabled+0x48/0x200 [ 243.068147] 0 pages HighMem/MovableOnly [ 243.073678] ? rcu_nmi_exit+0xdb/0x280 [ 243.076759] 342307 pages reserved [ 243.081773] ? ret_from_intr+0xb/0x1e [ 243.085723] 0 pages cma reserved [ 243.089604] ? retint_kernel+0x2d/0x2d [ 243.089629] ? trace_hardirqs_on_caller+0xc0/0x310 [ 243.093121] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.096869] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.100285] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.104106] ? trace_hardirqs_off+0x310/0x310 [ 243.109014] ksoftirqd/0 cpuset= [ 243.115506] ? check_preemption_disabled+0x48/0x200 [ 243.120236] / [ 243.130550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.135024] mems_allowed=0 [ 243.138299] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.158190] ? retint_kernel+0x2d/0x2d [ 243.162083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.167623] ? check_preemption_disabled+0x48/0x200 [ 243.172649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.178193] run_timer_softirq+0x52/0xb0 [ 243.182257] ? __this_cpu_preempt_check+0x1c/0x1f [ 243.187107] __do_softirq+0x30b/0xad8 [ 243.190918] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.196025] ? pvclock_read_flags+0x160/0x160 [ 243.200518] ? lapic_next_event+0x5a/0x90 [ 243.204664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.210201] ? clockevents_program_event+0x140/0x370 [ 243.215322] ? kvm_clock_read+0x18/0x30 [ 243.219310] ? kvm_sched_clock_read+0x9/0x20 [ 243.223727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.229269] ? check_preemption_disabled+0x48/0x200 [ 243.234297] irq_exit+0x17f/0x1c0 [ 243.237757] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.242602] ? smp_reschedule_interrupt+0x109/0x650 [ 243.247620] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.253506] ? interrupt_entry+0xb5/0xf0 [ 243.257571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.262588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.267605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.272454] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.277472] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.282491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.288029] ? check_preemption_disabled+0x48/0x200 [ 243.293045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.298589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.303443] apic_timer_interrupt+0xf/0x20 [ 243.307671] [ 243.309910] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 243.314855] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 243.333753] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.341461] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 243.349028] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 243.356295] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 243.363570] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 243.370843] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 243.378123] ? trace_hardirqs_on+0xb4/0x310 [ 243.382485] skb_clone+0x1bb/0x500 [ 243.386030] ? finish_task_switch+0x2f5/0x900 [ 243.390529] ? skb_split+0x11e0/0x11e0 [ 243.394419] ? preempt_notifier_register+0x200/0x200 [ 243.399523] ? __switch_to_asm+0x34/0x70 [ 243.403790] ? __switch_to_asm+0x34/0x70 [ 243.407864] ? __switch_to_asm+0x40/0x70 [ 243.411924] ? __switch_to_asm+0x34/0x70 [ 243.415985] ? __switch_to_asm+0x40/0x70 [ 243.420042] ? __switch_to_asm+0x34/0x70 [ 243.424369] ? __switch_to_asm+0x40/0x70 [ 243.428432] ? __switch_to_asm+0x34/0x70 [ 243.432518] ? __switch_to_asm+0x34/0x70 [ 243.436580] ? __switch_to_asm+0x40/0x70 [ 243.440640] ? __switch_to_asm+0x34/0x70 [ 243.444711] bpf_clone_redirect+0xb9/0x490 [ 243.448950] ? __schedule+0x874/0x1ed0 [ 243.452851] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 243.457876] ? __sched_text_start+0x8/0x8 [ 243.462025] ? retint_kernel+0x2d/0x2d [ 243.465912] ? retint_kernel+0x2d/0x2d [ 243.469800] ? trace_hardirqs_on_caller+0xc0/0x310 [ 243.474739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.479495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.484255] ? trace_hardirqs_off+0x310/0x310 [ 243.488759] ? lock_acquire+0x1ed/0x520 [ 243.492735] ? bpf_test_run+0x32e/0x5a0 [ 243.496716] ? lock_release+0x970/0x970 [ 243.500688] ? preempt_schedule+0x4d/0x60 [ 243.504849] ? preempt_schedule_common+0x1f/0xd0 [ 243.510092] ? preempt_schedule+0x4d/0x60 [ 243.514243] ? ___preempt_schedule+0x16/0x18 [ 243.518655] ? bpf_test_run+0x1c0/0x5a0 [ 243.522635] ? netlink_diag_dump+0x2a0/0x2a0 [ 243.527051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.532586] ? bpf_test_init.isra.9+0x70/0x100 [ 243.537173] ? bpf_prog_test_run_skb+0x634/0xb40 [ 243.541937] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.546780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.552331] ? fput+0x130/0x1a0 [ 243.555615] ? __bpf_prog_get+0x9b/0x290 [ 243.559677] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.564518] ? bpf_prog_test_run+0x130/0x1a0 [ 243.568932] ? __x64_sys_bpf+0x3d8/0x510 [ 243.573014] ? bpf_prog_get+0x20/0x20 [ 243.576844] ? do_syscall_64+0x1b9/0x820 [ 243.580909] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.586274] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.591206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.596052] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.601077] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.606098] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.611122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.615971] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.621360] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 243.621414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.628131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.628140] Call Trace: [ 243.634703] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.644003] dump_stack+0x1c4/0x2b4 [ 243.646566] syz-executor0 cpuset= [ 243.657049] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.660654] syz0 [ 243.664110] warn_alloc.cold.119+0xb7/0x1bd [ 243.669279] mems_allowed=0 [ 243.671252] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.683313] ? lock_downgrade+0x900/0x900 [ 243.687469] ? trace_hardirqs_off+0xb8/0x310 [ 243.691881] ? trace_hardirqs_off+0xb8/0x310 [ 243.696324] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.701192] ? warn_alloc+0x120/0x120 [ 243.704996] ? warn_alloc+0x120/0x120 [ 243.708800] ? warn_alloc+0x120/0x120 [ 243.712618] ? mark_held_locks+0x130/0x130 [ 243.716861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.722400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.727941] ? should_fail+0x22d/0xd01 [ 243.731845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.736949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.742501] ? should_fail+0x22d/0xd01 [ 243.746397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.751499] ? should_fail+0x22d/0xd01 [ 243.755391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.760497] ? mark_held_locks+0x130/0x130 [ 243.764734] ? mark_held_locks+0x130/0x130 [ 243.768969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.774509] ? trace_hardirqs_off+0xb8/0x310 [ 243.778917] ? kasan_check_read+0x11/0x20 [ 243.783064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.787472] ? trace_hardirqs_on+0x310/0x310 [ 243.791882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.797463] ? wq_watchdog_touch+0x9c/0xfe [ 243.801700] ? io_serial_in+0x11/0x90 [ 243.805504] ? retint_kernel+0x2d/0x2d [ 243.809391] ? trace_hardirqs_on_caller+0xc0/0x310 [ 243.814326] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.819096] ? trace_hardirqs_off+0x310/0x310 [ 243.823593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.828703] __alloc_pages_nodemask+0xa80/0xde0 [ 243.833372] ? should_fail+0x22d/0xd01 [ 243.837265] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.842298] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.846974] ? lock_downgrade+0x900/0x900 [ 243.851130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.856673] cache_grow_begin+0x91/0x8c0 [ 243.860738] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.865152] fallback_alloc+0x203/0x2e0 [ 243.869134] ____cache_alloc_node+0x1c7/0x1e0 [ 243.873632] kmem_cache_alloc_node+0xe3/0x730 [ 243.878128] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.882370] __alloc_skb+0x119/0x770 [ 243.886087] ? skb_scrub_packet+0x490/0x490 [ 243.890440] ? lock_downgrade+0x900/0x900 [ 243.894595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.900131] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.905583] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.911034] ? addrconf_rs_timer+0x690/0x690 [ 243.915452] ndisc_alloc_skb+0x144/0x340 [ 243.919518] ndisc_send_rs+0x331/0x6e0 [ 243.923410] addrconf_rs_timer+0x314/0x690 [ 243.927646] ? lock_release+0x970/0x970 [ 243.931623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.935871] call_timer_fn+0x272/0x920 [ 243.939763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.943999] ? process_timeout+0x40/0x40 [ 243.948062] ? kasan_check_read+0x11/0x20 [ 243.952229] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.956640] ? trace_hardirqs_on+0x310/0x310 [ 243.961052] ? __run_timers+0x7da/0xc70 [ 243.965027] ? lock_downgrade+0x900/0x900 [ 243.969177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.974281] ? trace_hardirqs_on+0xbd/0x310 [ 243.978602] ? kasan_check_read+0x11/0x20 [ 243.982752] ? __run_timers+0x7da/0xc70 [ 243.986726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.992179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.997723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.001957] __run_timers+0x7e5/0xc70 [ 244.005767] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.011131] ? lock_downgrade+0x900/0x900 [ 244.015283] ? finish_task_switch+0x1b5/0x900 [ 244.019786] ? trace_hardirqs_on+0xbd/0x310 [ 244.024121] ? kasan_check_read+0x11/0x20 [ 244.028271] ? finish_task_switch+0x1f5/0x900 [ 244.032765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.038217] ? compat_start_thread+0x80/0x80 [ 244.042650] ? pvclock_read_flags+0x160/0x160 [ 244.047154] ? __switch_to_asm+0x34/0x70 [ 244.051217] ? __switch_to_asm+0x34/0x70 [ 244.055274] ? __switch_to_asm+0x40/0x70 [ 244.059335] ? __switch_to_asm+0x40/0x70 [ 244.063400] ? __switch_to_asm+0x34/0x70 [ 244.067458] ? __switch_to_asm+0x40/0x70 [ 244.071521] ? trace_hardirqs_on+0xbd/0x310 [ 244.075849] ? kvm_sched_clock_read+0x9/0x20 [ 244.080258] ? run_ksoftirqd+0x94/0x100 [ 244.084233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.089770] ? check_preemption_disabled+0x48/0x200 [ 244.094789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.100342] run_timer_softirq+0x52/0xb0 [ 244.104412] ? __this_cpu_preempt_check+0x1c/0x1f [ 244.109255] __do_softirq+0x30b/0xad8 [ 244.113065] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.118173] ? schedule+0x108/0x460 [ 244.121807] ? trace_hardirqs_off+0xb8/0x310 [ 244.126235] ? smpboot_thread_fn+0x68b/0xa00 [ 244.130642] ? trace_hardirqs_on+0x310/0x310 [ 244.135050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.140588] ? check_preemption_disabled+0x48/0x200 [ 244.145608] ? takeover_tasklets+0xa90/0xa90 [ 244.150021] run_ksoftirqd+0x94/0x100 [ 244.153836] smpboot_thread_fn+0x68b/0xa00 [ 244.158075] ? sort_range+0x30/0x30 [ 244.161701] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.166805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.172362] ? __kthread_parkme+0xfb/0x1a0 [ 244.176687] kthread+0x35a/0x420 [ 244.180064] ? sort_range+0x30/0x30 [ 244.183693] ? kthread_bind+0x40/0x40 [ 244.187494] ret_from_fork+0x3a/0x50 [ 244.191218] warn_alloc_show_mem: 1 callbacks suppressed [ 244.191230] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 244.191232] Mem-Info: [ 244.191262] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 244.191262] active_file:16 inactive_file:13 isolated_file:0 [ 244.191262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.191262] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 244.191262] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 244.191262] free:13630 free_pcp:242 free_cma:0 [ 244.196614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.203808] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.206218] Call Trace: [ 244.239088] Node 0 [ 244.248437] [ 244.275948] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.278514] dump_stack+0x1c4/0x2b4 [ 244.280723] lowmem_reserve[]: [ 244.282875] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.308354] 0 [ 244.311983] warn_alloc.cold.119+0xb7/0x1bd [ 244.315064] 2819 [ 244.320250] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.322029] 6323 [ 244.326352] ? lock_downgrade+0x900/0x900 [ 244.328390] 6323 [ 244.333228] ? trace_hardirqs_off+0xb8/0x310 [ 244.339410] ? trace_hardirqs_off+0xb8/0x310 [ 244.341451] Node 0 [ 244.345947] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.350364] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.352585] ? warn_alloc+0x120/0x120 [ 244.357390] lowmem_reserve[]: [ 244.384372] ? trace_hardirqs_on+0x310/0x310 [ 244.388149] 0 [ 244.391251] ? warn_alloc+0x120/0x120 [ 244.395635] 0 [ 244.397439] ? warn_alloc+0x120/0x120 [ 244.401227] 3503 [ 244.403029] ? ktime_get+0x2e1/0x440 [ 244.406805] 3503 [ 244.408875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.414635] ? check_preemption_disabled+0x48/0x200 [ 244.420151] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 244.425193] ? kasan_check_read+0x11/0x20 [ 244.425212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.454085] lowmem_reserve[]: [ 244.458233] ? should_fail+0x22d/0xd01 [ 244.463745] 0 [ 244.466857] ? rcu_bh_qs+0xc0/0xc0 [ 244.470720] 0 [ 244.472525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.476039] 0 [ 244.477841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.477859] ? should_fail+0x22d/0xd01 [ 244.482945] 0 [ 244.484748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.494145] ? should_fail+0x22d/0xd01 [ 244.495928] Node 0 [ 244.501033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.504901] DMA: [ 244.507141] ? mark_held_locks+0x130/0x130 [ 244.512224] 1*4kB [ 244.514285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.518491] (U) [ 244.520639] ? mark_held_locks+0x130/0x130 [ 244.526157] 0*8kB [ 244.528134] ? rcu_irq_exit+0xce/0x100 [ 244.532349] 0*16kB [ 244.534500] ? irq_exit+0xbd/0x1c0 [ 244.538365] 1*32kB [ 244.540597] ? mark_held_locks+0x130/0x130 [ 244.544112] (U) [ 244.546353] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.550567] 2*64kB [ 244.552563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.558425] (U) [ 244.560663] ? ret_from_intr+0xb/0x1e [ 244.566178] 1*128kB [ 244.568153] ? retint_kernel+0x2d/0x2d [ 244.571932] (U) [ 244.574258] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.578125] 1*256kB [ 244.580104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.585007] (U) [ 244.587334] ? trace_hardirqs_off+0x310/0x310 [ 244.592074] 0*512kB 1*1024kB [ 244.594082] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.598557] (U) [ 244.601668] __alloc_pages_nodemask+0xa80/0xde0 [ 244.606747] 1*2048kB [ 244.608729] ? should_fail+0x22d/0xd01 [ 244.613372] (M) [ 244.615779] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.619646] 3*4096kB [ 244.621632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.626614] (M) [ 244.629051] ? lock_downgrade+0x900/0x900 [ 244.633697] = 15908kB [ 244.635676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.639818] Node 0 [ 244.642242] cache_grow_begin+0x91/0x8c0 [ 244.647754] DMA32: [ 244.649992] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.654033] 4*4kB [ 244.656268] fallback_alloc+0x203/0x2e0 [ 244.660653] (M) [ 244.662802] ____cache_alloc_node+0x1c7/0x1e0 [ 244.666771] 0*8kB [ 244.668748] kmem_cache_alloc_node+0xe3/0x730 [ 244.673227] 2*16kB [ 244.675381] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.679852] (M) [ 244.682088] __alloc_skb+0x119/0x770 [ 244.686299] 2*32kB [ 244.688271] ? skb_scrub_packet+0x490/0x490 [ 244.691965] (M) [ 244.694204] ? lock_downgrade+0x900/0x900 [ 244.698506] 5*64kB [ 244.700484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.704614] (UM) [ 244.706854] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.712365] 3*128kB (M) [ 244.714440] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.719869] 4*256kB [ 244.722537] ? addrconf_rs_timer+0x690/0x690 [ 244.727961] (UM) [ 244.730286] ndisc_alloc_skb+0x144/0x340 [ 244.734662] 3*512kB (M) [ 244.736736] ndisc_send_rs+0x331/0x6e0 [ 244.740774] 3*1024kB [ 244.743443] addrconf_rs_timer+0x314/0x690 [ 244.747337] (UM) [ 244.749746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.753962] 1*2048kB [ 244.756030] call_timer_fn+0x272/0x920 [ 244.760237] (M) [ 244.762645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.766516] 4*4096kB [ 244.768496] ? process_timeout+0x40/0x40 [ 244.772710] (M) [ 244.775119] ? trace_hardirqs_off+0xb8/0x310 [ 244.779154] = 24880kB [ 244.781128] ? kasan_check_read+0x11/0x20 [ 244.785516] Node 0 [ 244.787927] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.792047] Normal: [ 244.794280] ? trace_hardirqs_on+0x310/0x310 [ 244.798670] 719*4kB [ 244.800994] ? __run_timers+0x7da/0xc70 [ 244.805376] (ME) [ 244.807697] ? lock_downgrade+0x900/0x900 [ 244.811652] 385*8kB [ 244.813712] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.817845] (UME) [ 244.820170] ? trace_hardirqs_on+0xbd/0x310 [ 244.825253] 182*16kB [ 244.827397] ? kasan_check_read+0x11/0x20 [ 244.831699] (ME) [ 244.834111] ? __run_timers+0x7da/0xc70 [ 244.838232] 99*32kB (UME) [ 244.840305] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.844256] 27*64kB [ 244.847097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.852521] (UM) [ 244.854851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.860371] 0*128kB [ 244.862437] __run_timers+0x7e5/0xc70 [ 244.866648] 0*256kB [ 244.868982] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.872755] 0*512kB [ 244.875084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.880425] 0*1024kB [ 244.882743] ? rcu_bh_qs+0xc0/0xc0 [ 244.887997] 0*2048kB [ 244.890406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.893919] 0*4096kB = 13764kB [ 244.896345] ? check_preemption_disabled+0x48/0x200 [ 244.901858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.905042] ? rcu_nmi_exit+0xdb/0x280 [ 244.910044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.918871] ? ret_from_intr+0xb/0x1e [ 244.922740] 148 total pagecache pages [ 244.931311] ? retint_kernel+0x2d/0x2d [ 244.935098] 0 pages in swap cache [ 244.938894] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.942787] Swap cache stats: add 0, delete 0, find 0/0 [ 244.942796] Free swap = 0kB [ 244.946262] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.951171] Total swap = 0kB [ 244.956529] ? trace_hardirqs_off+0x310/0x310 [ 244.959527] 1965979 pages RAM [ 244.964282] ? check_preemption_disabled+0x48/0x200 [ 244.967293] 0 pages HighMem/MovableOnly [ 244.971788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.974871] 342307 pages reserved [ 244.979890] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.983840] 0 pages cma reserved [ 244.983903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.989385] ? retint_kernel+0x2d/0x2d [ 244.989401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.989421] ? check_preemption_disabled+0x48/0x200 [ 244.992903] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.997610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.000957] ksoftirqd/0 cpuset= [ 245.007450] run_timer_softirq+0x52/0xb0 [ 245.011312] / [ 245.016860] ? __this_cpu_preempt_check+0x1c/0x1f [ 245.021855] mems_allowed=0 [ 245.032160] __do_softirq+0x30b/0xad8 [ 245.058231] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.063345] ? pvclock_read_flags+0x160/0x160 [ 245.067853] ? lapic_next_event+0x5a/0x90 [ 245.072001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.077538] ? clockevents_program_event+0x140/0x370 [ 245.082649] ? kvm_clock_read+0x18/0x30 [ 245.086624] ? kvm_sched_clock_read+0x9/0x20 [ 245.091034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.096574] ? check_preemption_disabled+0x48/0x200 [ 245.101598] irq_exit+0x17f/0x1c0 [ 245.105059] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.109901] ? smp_reschedule_interrupt+0x109/0x650 [ 245.114920] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.120802] ? interrupt_entry+0xb5/0xf0 [ 245.124881] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.129900] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.134938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.139782] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.144819] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.149845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.155389] ? check_preemption_disabled+0x48/0x200 [ 245.160409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.165950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.170801] apic_timer_interrupt+0xf/0x20 [ 245.175045] [ 245.177284] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.182217] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 245.201119] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.208835] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 245.216103] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 245.223369] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 245.230636] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 245.237902] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 245.245186] ? trace_hardirqs_on+0xb4/0x310 [ 245.249521] skb_clone+0x1bb/0x500 [ 245.253061] ? finish_task_switch+0x2f5/0x900 [ 245.257557] ? skb_split+0x11e0/0x11e0 [ 245.261451] ? preempt_notifier_register+0x200/0x200 [ 245.266555] ? __switch_to_asm+0x34/0x70 [ 245.270702] ? __switch_to_asm+0x34/0x70 [ 245.274760] ? __switch_to_asm+0x40/0x70 [ 245.280392] ? __switch_to_asm+0x34/0x70 [ 245.284461] ? __switch_to_asm+0x40/0x70 [ 245.288523] ? __switch_to_asm+0x34/0x70 [ 245.292584] ? __switch_to_asm+0x40/0x70 [ 245.296643] ? __switch_to_asm+0x34/0x70 [ 245.300702] ? __switch_to_asm+0x34/0x70 [ 245.304760] ? __switch_to_asm+0x40/0x70 [ 245.308826] ? __switch_to_asm+0x34/0x70 [ 245.312916] bpf_clone_redirect+0xb9/0x490 [ 245.317154] ? __schedule+0x874/0x1ed0 [ 245.321047] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 245.326071] ? __sched_text_start+0x8/0x8 [ 245.330311] ? retint_kernel+0x2d/0x2d [ 245.334207] ? retint_kernel+0x2d/0x2d [ 245.338096] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.343026] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.347785] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.352548] ? trace_hardirqs_off+0x310/0x310 [ 245.357057] ? lock_acquire+0x1ed/0x520 [ 245.361032] ? bpf_test_run+0x32e/0x5a0 [ 245.365013] ? lock_release+0x970/0x970 [ 245.368987] ? preempt_schedule+0x4d/0x60 [ 245.373138] ? preempt_schedule_common+0x1f/0xd0 [ 245.377898] ? preempt_schedule+0x4d/0x60 [ 245.382053] ? ___preempt_schedule+0x16/0x18 [ 245.386468] ? bpf_test_run+0x1c0/0x5a0 [ 245.390456] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.394868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.400409] ? bpf_test_init.isra.9+0x70/0x100 [ 245.405229] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.410001] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.414846] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.420418] ? fput+0x130/0x1a0 [ 245.423703] ? __bpf_prog_get+0x9b/0x290 [ 245.427770] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.432611] ? bpf_prog_test_run+0x130/0x1a0 [ 245.437022] ? __x64_sys_bpf+0x3d8/0x510 [ 245.441082] ? bpf_prog_get+0x20/0x20 [ 245.444898] ? do_syscall_64+0x1b9/0x820 [ 245.448966] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.454340] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.459271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.464119] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.469223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.474242] ? prepare_exit_to_usermode+0x291/0x3b0 [ 245.479264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.484111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.489487] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 245.489555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.496255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.496265] Call Trace: [ 245.502847] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.512304] dump_stack+0x1c4/0x2b4 [ 245.514879] syz-executor0 cpuset= [ 245.525365] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.528970] syz0 [ 245.532428] warn_alloc.cold.119+0xb7/0x1bd [ 245.537592] mems_allowed=0 [ 245.539595] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.551672] ? lock_downgrade+0x900/0x900 [ 245.555855] ? trace_hardirqs_off+0xb8/0x310 [ 245.560273] ? trace_hardirqs_off+0xb8/0x310 [ 245.564688] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.569549] ? warn_alloc+0x120/0x120 [ 245.573355] ? warn_alloc+0x120/0x120 [ 245.577177] ? warn_alloc+0x120/0x120 [ 245.580983] ? mark_held_locks+0x130/0x130 [ 245.585225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.590762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.596299] ? should_fail+0x22d/0xd01 [ 245.600191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.605297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.610845] ? should_fail+0x22d/0xd01 [ 245.614839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.619948] ? should_fail+0x22d/0xd01 [ 245.623860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.628969] ? mark_held_locks+0x130/0x130 [ 245.633208] ? mark_held_locks+0x130/0x130 [ 245.637442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.642997] ? trace_hardirqs_off+0xb8/0x310 [ 245.647407] ? kasan_check_read+0x11/0x20 [ 245.651562] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.655974] ? trace_hardirqs_on+0x310/0x310 [ 245.660380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.665921] ? wq_watchdog_touch+0x9c/0xfe [ 245.670182] ? io_serial_in+0x11/0x90 [ 245.673983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.679530] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.684645] __alloc_pages_nodemask+0xa80/0xde0 [ 245.689315] ? should_fail+0x22d/0xd01 [ 245.693233] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.698269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.702943] ? lock_downgrade+0x900/0x900 [ 245.707103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.712648] cache_grow_begin+0x91/0x8c0 [ 245.716712] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.721129] fallback_alloc+0x203/0x2e0 [ 245.725109] ____cache_alloc_node+0x1c7/0x1e0 [ 245.729608] kmem_cache_alloc_node+0xe3/0x730 [ 245.734124] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.738370] __alloc_skb+0x119/0x770 [ 245.742089] ? skb_scrub_packet+0x490/0x490 [ 245.746414] ? lock_downgrade+0x900/0x900 [ 245.750566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.756109] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.761563] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.767015] ? addrconf_rs_timer+0x690/0x690 [ 245.771435] ndisc_alloc_skb+0x144/0x340 [ 245.775519] ndisc_send_rs+0x331/0x6e0 [ 245.779410] addrconf_rs_timer+0x314/0x690 [ 245.783669] ? lock_release+0x970/0x970 [ 245.787646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.791890] call_timer_fn+0x272/0x920 [ 245.795781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.800026] ? process_timeout+0x40/0x40 [ 245.804085] ? kasan_check_read+0x11/0x20 [ 245.808236] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.812657] ? trace_hardirqs_on+0x310/0x310 [ 245.817070] ? __run_timers+0x7da/0xc70 [ 245.821048] ? lock_downgrade+0x900/0x900 [ 245.825202] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.830307] ? trace_hardirqs_on+0xbd/0x310 [ 245.834629] ? kasan_check_read+0x11/0x20 [ 245.838782] ? __run_timers+0x7da/0xc70 [ 245.842768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.848220] ? kasan_check_write+0x14/0x20 [ 245.852460] ? do_raw_spin_lock+0xc1/0x200 [ 245.856727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.860967] __run_timers+0x7e5/0xc70 [ 245.864783] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.870156] ? lock_downgrade+0x900/0x900 [ 245.874304] ? finish_task_switch+0x1b5/0x900 [ 245.878807] ? trace_hardirqs_on+0xbd/0x310 [ 245.883155] ? kasan_check_read+0x11/0x20 [ 245.887306] ? finish_task_switch+0x1f5/0x900 [ 245.891806] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.897275] ? compat_start_thread+0x80/0x80 [ 245.901695] ? pvclock_read_flags+0x160/0x160 [ 245.906190] ? __switch_to_asm+0x34/0x70 [ 245.910254] ? __switch_to_asm+0x34/0x70 [ 245.914312] ? __switch_to_asm+0x40/0x70 [ 245.918375] ? __switch_to_asm+0x40/0x70 [ 245.922436] ? __switch_to_asm+0x34/0x70 [ 245.926581] ? __switch_to_asm+0x40/0x70 [ 245.930647] ? trace_hardirqs_on+0xbd/0x310 [ 245.934970] ? kvm_sched_clock_read+0x9/0x20 [ 245.939378] ? run_ksoftirqd+0x94/0x100 [ 245.943353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.948896] ? check_preemption_disabled+0x48/0x200 [ 245.953916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.959458] run_timer_softirq+0x52/0xb0 [ 245.963533] ? __this_cpu_preempt_check+0x1c/0x1f [ 245.968380] __do_softirq+0x30b/0xad8 [ 245.972217] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.977332] ? schedule+0x108/0x460 [ 245.980972] ? trace_hardirqs_off+0xb8/0x310 [ 245.985386] ? smpboot_thread_fn+0x68b/0xa00 [ 245.989794] ? trace_hardirqs_on+0x310/0x310 [ 245.994218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.999790] ? check_preemption_disabled+0x48/0x200 [ 246.004850] ? takeover_tasklets+0xa90/0xa90 [ 246.009261] run_ksoftirqd+0x94/0x100 [ 246.013065] smpboot_thread_fn+0x68b/0xa00 [ 246.017299] ? sort_range+0x30/0x30 [ 246.020930] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.026032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.031569] ? __kthread_parkme+0xfb/0x1a0 [ 246.035805] kthread+0x35a/0x420 [ 246.039190] ? sort_range+0x30/0x30 [ 246.042831] ? kthread_bind+0x40/0x40 [ 246.046633] ret_from_fork+0x3a/0x50 [ 246.050356] warn_alloc_show_mem: 1 callbacks suppressed [ 246.050369] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 246.050371] Mem-Info: [ 246.050401] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 246.050401] active_file:16 inactive_file:13 isolated_file:0 [ 246.050401] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.050401] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 246.050401] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 246.050401] free:13630 free_pcp:242 free_cma:0 [ 246.055752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.062946] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.065354] Call Trace: [ 246.098223] Node 0 [ 246.107570] [ 246.135081] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 246.137647] dump_stack+0x1c4/0x2b4 [ 246.139858] lowmem_reserve[]: [ 246.142011] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.167489] 0 [ 246.171128] warn_alloc.cold.119+0xb7/0x1bd [ 246.174231] 2819 [ 246.179422] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.181203] 6323 [ 246.185521] ? lock_downgrade+0x900/0x900 [ 246.187560] 6323 [ 246.192398] ? trace_hardirqs_off+0xb8/0x310 [ 246.198596] ? trace_hardirqs_off+0xb8/0x310 [ 246.200641] Node 0 [ 246.205046] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.209458] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.211679] ? warn_alloc+0x120/0x120 [ 246.216486] lowmem_reserve[]: [ 246.243465] ? trace_hardirqs_on+0x310/0x310 [ 246.247250] 0 [ 246.250375] ? warn_alloc+0x120/0x120 [ 246.254761] 0 [ 246.256559] ? warn_alloc+0x120/0x120 [ 246.260355] 3503 [ 246.262152] ? ktime_get+0x2e1/0x440 [ 246.265932] 3503 [ 246.267996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.273758] ? check_preemption_disabled+0x48/0x200 [ 246.273773] ? kasan_check_read+0x11/0x20 [ 246.273792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.279325] Node 0 [ 246.284360] ? should_fail+0x22d/0xd01 [ 246.288510] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 246.294019] ? rcu_bh_qs+0xc0/0xc0 [ 246.296239] lowmem_reserve[]: [ 246.300125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.328379] 0 [ 246.331938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.335020] 0 [ 246.340120] ? should_fail+0x22d/0xd01 [ 246.341905] 0 [ 246.347443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.349228] 0 [ 246.353113] ? should_fail+0x22d/0xd01 [ 246.359999] ? rcu_idle_enter+0x4b0/0x4b0 [ 246.361777] Node 0 [ 246.365660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.369808] DMA: [ 246.372059] ? mark_held_locks+0x130/0x130 [ 246.377155] 1*4kB [ 246.379252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.383463] (U) [ 246.385611] ? mark_held_locks+0x130/0x130 [ 246.391132] 0*8kB [ 246.393109] ? rcu_irq_exit+0xce/0x100 [ 246.397321] 0*16kB [ 246.399481] ? irq_exit+0xbd/0x1c0 [ 246.403346] 1*32kB [ 246.405585] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 246.409097] (U) [ 246.411338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.416324] 2*64kB [ 246.418304] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.422686] (U) [ 246.424927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.430787] 1*128kB [ 246.432766] ? ret_from_intr+0xb/0x1e [ 246.438280] (U) [ 246.440606] ? retint_kernel+0x2d/0x2d [ 246.444385] 1*256kB [ 246.446376] ? trace_hardirqs_on_caller+0xc0/0x310 [ 246.450250] (U) [ 246.452573] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.457483] 0*512kB [ 246.459454] ? trace_hardirqs_off+0x310/0x310 [ 246.464187] 1*1024kB [ 246.466510] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.470984] (U) [ 246.473395] __alloc_pages_nodemask+0xa80/0xde0 [ 246.478475] 1*2048kB [ 246.480450] ? should_fail+0x22d/0xd01 [ 246.485096] (M) [ 246.487512] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.491375] 3*4096kB [ 246.493364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.498342] (M) = 15908kB [ 246.500765] ? lock_downgrade+0x900/0x900 [ 246.505412] Node 0 [ 246.508170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.512310] DMA32: [ 246.514556] cache_grow_begin+0x91/0x8c0 [ 246.520068] 4*4kB [ 246.522303] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.526338] (M) [ 246.528486] fallback_alloc+0x203/0x2e0 [ 246.532880] 0*8kB [ 246.534854] ____cache_alloc_node+0x1c7/0x1e0 [ 246.538808] 2*16kB [ 246.540963] kmem_cache_alloc_node+0xe3/0x730 [ 246.545434] (M) [ 246.547674] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.552162] 2*32kB [ 246.554137] __alloc_skb+0x119/0x770 [ 246.558349] (M) [ 246.560583] ? skb_scrub_packet+0x490/0x490 [ 246.564274] 5*64kB [ 246.566251] ? lock_downgrade+0x900/0x900 [ 246.570548] (UM) [ 246.572785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.576914] 3*128kB [ 246.578977] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.584491] (M) [ 246.586820] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.592257] 4*256kB [ 246.594231] ? addrconf_rs_timer+0x690/0x690 [ 246.599659] (UM) [ 246.601987] ndisc_alloc_skb+0x144/0x340 [ 246.606374] 3*512kB [ 246.608433] ndisc_send_rs+0x331/0x6e0 [ 246.612472] (M) [ 246.614802] addrconf_rs_timer+0x314/0x690 [ 246.618680] 3*1024kB [ 246.620654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.624863] (UM) [ 246.627279] call_timer_fn+0x272/0x920 [ 246.631492] 1*2048kB [ 246.633551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.637414] (M) [ 246.639832] ? process_timeout+0x40/0x40 [ 246.644052] 4*4096kB [ 246.646029] ? trace_hardirqs_off+0xb8/0x310 [ 246.650067] (M) [ 246.652477] ? kasan_check_read+0x11/0x20 [ 246.656865] = 24880kB [ 246.658844] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.658862] ? trace_hardirqs_on+0x310/0x310 [ 246.662993] Node 0 [ 246.665402] ? __run_timers+0x7da/0xc70 [ 246.669787] Normal: [ 246.674205] ? lock_downgrade+0x900/0x900 [ 246.676433] 719*4kB [ 246.680398] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.682697] (ME) [ 246.686852] ? trace_hardirqs_on+0xbd/0x310 [ 246.689158] 385*8kB [ 246.694276] ? kasan_check_read+0x11/0x20 [ 246.696342] (UME) [ 246.700661] ? __run_timers+0x7da/0xc70 [ 246.702969] 182*16kB [ 246.707111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.709236] (ME) [ 246.713205] ? kasan_check_write+0x14/0x20 [ 246.715597] 99*32kB [ 246.721045] ? do_raw_spin_lock+0xc1/0x200 [ 246.723082] (UME) [ 246.727315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.729617] 27*64kB [ 246.733856] __run_timers+0x7e5/0xc70 [ 246.735987] (UM) [ 246.740224] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.742526] 0*128kB [ 246.746330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.748364] 0*256kB [ 246.753725] ? rcu_bh_qs+0xc0/0xc0 [ 246.756042] 0*512kB [ 246.761340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.763637] 0*1024kB [ 246.767174] ? check_preemption_disabled+0x48/0x200 [ 246.769472] 0*2048kB [ 246.775004] ? rcu_nmi_exit+0xdb/0x280 [ 246.777395] 0*4096kB [ 246.782408] ? ret_from_intr+0xb/0x1e [ 246.784799] = 13764kB [ 246.788691] ? retint_kernel+0x2d/0x2d [ 246.791091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.794886] ? trace_hardirqs_on_caller+0xc0/0x310 [ 246.797277] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.801158] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.809972] 148 total pagecache pages [ 246.814900] ? trace_hardirqs_off+0x310/0x310 [ 246.823454] 0 pages in swap cache [ 246.828213] ? check_preemption_disabled+0x48/0x200 [ 246.831993] Swap cache stats: add 0, delete 0, find 0/0 [ 246.836494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.839923] Free swap = 0kB [ 246.844939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.850287] Total swap = 0kB [ 246.855830] ? retint_kernel+0x2d/0x2d [ 246.858849] 1965979 pages RAM [ 246.863601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.866601] 0 pages HighMem/MovableOnly [ 246.870508] ? check_preemption_disabled+0x48/0x200 [ 246.873590] 342307 pages reserved [ 246.879123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.883077] 0 pages cma reserved [ 246.888093] run_timer_softirq+0x52/0xb0 [ 246.891589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.897054] ? __this_cpu_preempt_check+0x1c/0x1f [ 246.900463] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.904464] __do_softirq+0x30b/0xad8 [ 246.910935] ksoftirqd/0 cpuset= [ 246.915784] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.926072] / [ 246.929871] ? pvclock_read_flags+0x160/0x160 [ 246.933133] mems_allowed=0 [ 246.938230] ? lapic_next_event+0x5a/0x90 [ 246.951480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.957019] ? clockevents_program_event+0x140/0x370 [ 246.962128] ? kvm_clock_read+0x18/0x30 [ 246.966107] ? kvm_sched_clock_read+0x9/0x20 [ 246.970521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.976060] ? check_preemption_disabled+0x48/0x200 [ 246.981086] irq_exit+0x17f/0x1c0 [ 246.984548] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.989405] ? smp_reschedule_interrupt+0x109/0x650 [ 246.994427] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.000312] ? interrupt_entry+0xb5/0xf0 [ 247.004385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.009401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.014418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.019264] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.024279] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.029298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.034852] ? check_preemption_disabled+0x48/0x200 [ 247.039869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.045411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.050260] apic_timer_interrupt+0xf/0x20 [ 247.054486] [ 247.056725] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.061656] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 247.080555] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 247.088264] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 247.095531] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 247.102798] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 247.110073] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 247.117343] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 247.124625] ? trace_hardirqs_on+0xb4/0x310 [ 247.128961] skb_clone+0x1bb/0x500 [ 247.132508] ? finish_task_switch+0x2f5/0x900 [ 247.137004] ? skb_split+0x11e0/0x11e0 [ 247.140896] ? preempt_notifier_register+0x200/0x200 [ 247.146003] ? __switch_to_asm+0x34/0x70 [ 247.150065] ? __switch_to_asm+0x34/0x70 [ 247.154124] ? __switch_to_asm+0x40/0x70 [ 247.158188] ? __switch_to_asm+0x34/0x70 [ 247.162246] ? __switch_to_asm+0x40/0x70 [ 247.166303] ? __switch_to_asm+0x34/0x70 [ 247.170370] ? __switch_to_asm+0x40/0x70 [ 247.174429] ? __switch_to_asm+0x34/0x70 [ 247.178490] ? __switch_to_asm+0x34/0x70 [ 247.182547] ? __switch_to_asm+0x40/0x70 [ 247.186610] ? __switch_to_asm+0x34/0x70 [ 247.190679] bpf_clone_redirect+0xb9/0x490 [ 247.194916] ? __schedule+0x874/0x1ed0 [ 247.198818] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 247.203847] ? __sched_text_start+0x8/0x8 [ 247.207998] ? retint_kernel+0x2d/0x2d [ 247.211883] ? retint_kernel+0x2d/0x2d [ 247.215771] ? trace_hardirqs_on_caller+0xc0/0x310 [ 247.220708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.225490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.230250] ? trace_hardirqs_off+0x310/0x310 [ 247.234760] ? lock_acquire+0x1ed/0x520 [ 247.238736] ? bpf_test_run+0x32e/0x5a0 [ 247.242717] ? lock_release+0x970/0x970 [ 247.246697] ? preempt_schedule+0x4d/0x60 [ 247.250854] ? preempt_schedule_common+0x1f/0xd0 [ 247.255611] ? preempt_schedule+0x4d/0x60 [ 247.259759] ? ___preempt_schedule+0x16/0x18 [ 247.264169] ? bpf_test_run+0x1c0/0x5a0 [ 247.268177] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.272590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.278126] ? bpf_test_init.isra.9+0x70/0x100 [ 247.282709] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.287468] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.292313] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.297857] ? fput+0x130/0x1a0 [ 247.301141] ? __bpf_prog_get+0x9b/0x290 [ 247.305206] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.310047] ? bpf_prog_test_run+0x130/0x1a0 [ 247.314457] ? __x64_sys_bpf+0x3d8/0x510 [ 247.318516] ? bpf_prog_get+0x20/0x20 [ 247.322334] ? do_syscall_64+0x1b9/0x820 [ 247.326396] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.331762] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.336694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.341541] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.346558] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.351576] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.356596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.361449] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.366860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 247.366913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.373620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.373624] Call Trace: [ 247.373645] dump_stack+0x1c4/0x2b4 [ 247.373665] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.380209] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.389507] warn_alloc.cold.119+0xb7/0x1bd [ 247.392069] syz-executor0 cpuset= [ 247.395692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.400856] syz0 [ 247.411788] ? lock_downgrade+0x900/0x900 [ 247.416095] mems_allowed=0 [ 247.419543] ? trace_hardirqs_off+0xb8/0x310 [ 247.437949] ? trace_hardirqs_off+0xb8/0x310 [ 247.442364] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.447224] ? warn_alloc+0x120/0x120 [ 247.451029] ? warn_alloc+0x120/0x120 [ 247.454847] ? warn_alloc+0x120/0x120 [ 247.458651] ? mark_held_locks+0x130/0x130 [ 247.462891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.468428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.473969] ? should_fail+0x22d/0xd01 [ 247.477865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.482973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.488517] ? should_fail+0x22d/0xd01 [ 247.492413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.497515] ? should_fail+0x22d/0xd01 [ 247.501406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.506512] ? mark_held_locks+0x130/0x130 [ 247.510911] ? mark_held_locks+0x130/0x130 [ 247.515148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.520696] ? trace_hardirqs_off+0xb8/0x310 [ 247.525104] ? kasan_check_read+0x11/0x20 [ 247.529256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.533666] ? trace_hardirqs_on+0x310/0x310 [ 247.538073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.543608] ? wq_watchdog_touch+0x9c/0xfe [ 247.547852] ? io_serial_in+0x11/0x90 [ 247.551652] ? retint_kernel+0x2d/0x2d [ 247.555546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 247.560477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.565232] ? trace_hardirqs_off+0x310/0x310 [ 247.569727] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.574858] __alloc_pages_nodemask+0xa80/0xde0 [ 247.579528] ? should_fail+0x22d/0xd01 [ 247.583426] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.588476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.593145] ? lock_downgrade+0x900/0x900 [ 247.597300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.602851] cache_grow_begin+0x91/0x8c0 [ 247.606922] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.611341] fallback_alloc+0x203/0x2e0 [ 247.615321] ____cache_alloc_node+0x1c7/0x1e0 [ 247.619837] kmem_cache_alloc_node+0xe3/0x730 [ 247.624338] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.628581] __alloc_skb+0x119/0x770 [ 247.632300] ? skb_scrub_packet+0x490/0x490 [ 247.636627] ? lock_downgrade+0x900/0x900 [ 247.640781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.646325] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.651779] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.657237] ? addrconf_rs_timer+0x690/0x690 [ 247.661655] ndisc_alloc_skb+0x144/0x340 [ 247.665722] ndisc_send_rs+0x331/0x6e0 [ 247.669612] addrconf_rs_timer+0x314/0x690 [ 247.673849] ? lock_release+0x970/0x970 [ 247.677844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.682089] call_timer_fn+0x272/0x920 [ 247.685978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.690217] ? process_timeout+0x40/0x40 [ 247.694276] ? kasan_check_read+0x11/0x20 [ 247.698426] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.702847] ? trace_hardirqs_on+0x310/0x310 [ 247.707265] ? __run_timers+0x7da/0xc70 [ 247.711240] ? lock_downgrade+0x900/0x900 [ 247.715389] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.720496] ? trace_hardirqs_on+0xbd/0x310 [ 247.724830] ? kasan_check_read+0x11/0x20 [ 247.728982] ? __run_timers+0x7da/0xc70 [ 247.732958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.739015] ? kasan_check_write+0x14/0x20 [ 247.743252] ? do_raw_spin_lock+0xc1/0x200 [ 247.747490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.751726] __run_timers+0x7e5/0xc70 [ 247.755537] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.760904] ? lock_downgrade+0x900/0x900 [ 247.765058] ? finish_task_switch+0x1b5/0x900 [ 247.769557] ? trace_hardirqs_on+0xbd/0x310 [ 247.773882] ? kasan_check_read+0x11/0x20 [ 247.778029] ? finish_task_switch+0x1f5/0x900 [ 247.782526] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.787976] ? compat_start_thread+0x80/0x80 [ 247.792402] ? pvclock_read_flags+0x160/0x160 [ 247.796900] ? __switch_to_asm+0x34/0x70 [ 247.800962] ? __switch_to_asm+0x34/0x70 [ 247.805028] ? __switch_to_asm+0x40/0x70 [ 247.809093] ? __switch_to_asm+0x40/0x70 [ 247.813151] ? __switch_to_asm+0x34/0x70 [ 247.817208] ? __switch_to_asm+0x40/0x70 [ 247.821271] ? trace_hardirqs_on+0xbd/0x310 [ 247.825595] ? kvm_sched_clock_read+0x9/0x20 [ 247.830005] ? run_ksoftirqd+0x94/0x100 [ 247.833979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.839521] ? check_preemption_disabled+0x48/0x200 [ 247.844536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.850097] run_timer_softirq+0x52/0xb0 [ 247.854159] ? __this_cpu_preempt_check+0x1c/0x1f [ 247.859006] __do_softirq+0x30b/0xad8 [ 247.862820] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.867939] ? schedule+0x108/0x460 [ 247.871573] ? trace_hardirqs_off+0xb8/0x310 [ 247.875982] ? smpboot_thread_fn+0x68b/0xa00 [ 247.880388] ? trace_hardirqs_on+0x310/0x310 [ 247.884799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.890354] ? check_preemption_disabled+0x48/0x200 [ 247.895383] ? takeover_tasklets+0xa90/0xa90 [ 247.899794] run_ksoftirqd+0x94/0x100 [ 247.903612] smpboot_thread_fn+0x68b/0xa00 [ 247.907873] ? sort_range+0x30/0x30 [ 247.911503] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.916605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.922145] ? __kthread_parkme+0xfb/0x1a0 [ 247.926383] kthread+0x35a/0x420 [ 247.929751] ? sort_range+0x30/0x30 [ 247.933375] ? kthread_bind+0x40/0x40 [ 247.937176] ret_from_fork+0x3a/0x50 [ 247.940896] warn_alloc_show_mem: 1 callbacks suppressed [ 247.940909] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 247.940911] Mem-Info: [ 247.940942] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 247.940942] active_file:16 inactive_file:13 isolated_file:0 [ 247.940942] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.940942] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 247.940942] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 247.940942] free:13630 free_pcp:242 free_cma:0 [ 247.946291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.953486] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.955891] Call Trace: [ 247.988757] Node 0 [ 247.998103] [ 248.025612] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.028178] dump_stack+0x1c4/0x2b4 [ 248.030390] lowmem_reserve[]: [ 248.032628] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.058118] 0 2819 [ 248.061758] warn_alloc.cold.119+0xb7/0x1bd [ 248.064848] 6323 [ 248.070036] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.072251] 6323 [ 248.076570] ? lock_downgrade+0x900/0x900 [ 248.083470] ? trace_hardirqs_off+0xb8/0x310 [ 248.085512] Node 0 [ 248.089678] ? trace_hardirqs_off+0xb8/0x310 [ 248.094092] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 248.096307] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.100689] lowmem_reserve[]: [ 248.127677] ? warn_alloc+0x120/0x120 [ 248.132485] 0 [ 248.135586] ? trace_hardirqs_on+0x310/0x310 [ 248.139363] 0 [ 248.141188] ? warn_alloc+0x120/0x120 [ 248.145600] 3503 [ 248.147402] ? warn_alloc+0x120/0x120 [ 248.151182] 3503 [ 248.153247] ? ktime_get+0x2e1/0x440 [ 248.159087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.162777] Node 0 [ 248.168310] ? check_preemption_disabled+0x48/0x200 [ 248.168343] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 248.168350] lowmem_reserve[]: [ 248.170610] ? kasan_check_read+0x11/0x20 [ 248.175605] 0 [ 248.203901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.206986] 0 [ 248.211131] ? should_fail+0x22d/0xd01 [ 248.212914] 0 [ 248.218448] ? rcu_bh_qs+0xc0/0xc0 [ 248.220232] 0 [ 248.224118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.229434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.231230] Node 0 [ 248.236340] ? should_fail+0x22d/0xd01 [ 248.241856] DMA: [ 248.244092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.247957] 1*4kB [ 248.250028] ? should_fail+0x22d/0xd01 [ 248.255107] (U) [ 248.257255] ? rcu_idle_enter+0x4b0/0x4b0 [ 248.261118] 0*8kB [ 248.263090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.267215] 0*16kB [ 248.269364] ? mark_held_locks+0x130/0x130 [ 248.274444] 1*32kB [ 248.276683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.280894] (U) [ 248.283128] ? mark_held_locks+0x130/0x130 [ 248.288643] 2*64kB [ 248.290616] ? rcu_irq_exit+0xce/0x100 [ 248.294853] (U) [ 248.297116] ? irq_exit+0xbd/0x1c0 [ 248.300985] 1*128kB [ 248.302965] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 248.306489] (U) [ 248.308820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.313831] 1*256kB [ 248.315804] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.320201] (U) [ 248.322522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.328382] 0*512kB [ 248.330363] ? ret_from_intr+0xb/0x1e [ 248.335882] 1*1024kB [ 248.338203] ? retint_kernel+0x2d/0x2d [ 248.341984] (U) [ 248.344398] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.348262] 1*2048kB [ 248.350240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.355144] (M) [ 248.357557] ? trace_hardirqs_off+0x310/0x310 [ 248.362294] 3*4096kB [ 248.364270] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.368742] (M) [ 248.371159] __alloc_pages_nodemask+0xa80/0xde0 [ 248.376233] = 15908kB [ 248.378207] ? should_fail+0x22d/0xd01 [ 248.382856] Node 0 [ 248.385266] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.389128] DMA32: [ 248.391374] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.396358] 4*4kB [ 248.398591] ? lock_downgrade+0x900/0x900 [ 248.403234] (M) [ 248.405404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.409529] 0*8kB [ 248.411507] cache_grow_begin+0x91/0x8c0 [ 248.417024] 2*16kB [ 248.419172] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.423210] (M) [ 248.425445] fallback_alloc+0x203/0x2e0 [ 248.429840] 2*32kB [ 248.431824] ____cache_alloc_node+0x1c7/0x1e0 [ 248.435780] (M) [ 248.438020] kmem_cache_alloc_node+0xe3/0x730 [ 248.442496] 5*64kB [ 248.444471] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.448942] (UM) [ 248.451182] __alloc_skb+0x119/0x770 [ 248.455392] 3*128kB (M) [ 248.457463] ? skb_scrub_packet+0x490/0x490 [ 248.461163] 4*256kB [ 248.463847] ? lock_downgrade+0x900/0x900 [ 248.468146] (UM) [ 248.470469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.474589] 3*512kB (M) [ 248.476662] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.482173] 3*1024kB (UM) [ 248.484854] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.490275] 1*2048kB (M) [ 248.493128] ? addrconf_rs_timer+0x690/0x690 [ 248.498556] 4*4096kB [ 248.501313] ndisc_alloc_skb+0x144/0x340 [ 248.505691] (M) [ 248.508100] ndisc_send_rs+0x331/0x6e0 [ 248.512140] = 24880kB [ 248.514116] addrconf_rs_timer+0x314/0x690 [ 248.517983] Node 0 [ 248.520395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.524606] Normal: [ 248.526854] call_timer_fn+0x272/0x920 [ 248.531062] 719*4kB [ 248.533387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.537251] (ME) [ 248.539572] ? process_timeout+0x40/0x40 [ 248.543782] 385*8kB [ 248.545849] ? trace_hardirqs_off+0xb8/0x310 [ 248.549888] (UME) [ 248.552211] ? kasan_check_read+0x11/0x20 [ 248.556598] 182*16kB [ 248.558746] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.562870] (ME) [ 248.565279] ? trace_hardirqs_on+0x310/0x310 [ 248.569667] 99*32kB [ 248.571731] ? __run_timers+0x7da/0xc70 [ 248.576133] (UME) [ 248.578461] ? lock_downgrade+0x900/0x900 [ 248.582413] 27*64kB [ 248.584559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.588681] (UM) [ 248.591000] ? trace_hardirqs_on+0xbd/0x310 [ 248.596081] 0*128kB [ 248.598139] ? kasan_check_read+0x11/0x20 [ 248.602440] 0*256kB [ 248.604759] ? __run_timers+0x7da/0xc70 [ 248.608886] 0*512kB [ 248.611206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.615150] 0*1024kB 0*2048kB [ 248.617479] ? kasan_check_write+0x14/0x20 [ 248.622914] 0*4096kB [ 248.626106] ? do_raw_spin_lock+0xc1/0x200 [ 248.630316] = 13764kB [ 248.632733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.636953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.639361] __run_timers+0x7e5/0xc70 [ 248.643578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.652407] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.656211] 148 total pagecache pages [ 248.664873] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.670217] 0 pages in swap cache [ 248.674015] ? rcu_bh_qs+0xc0/0xc0 [ 248.679273] Swap cache stats: add 0, delete 0, find 0/0 [ 248.682724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.686241] Free swap = 0kB [ 248.691602] ? check_preemption_disabled+0x48/0x200 [ 248.697117] Total swap = 0kB [ 248.700131] ? rcu_nmi_exit+0xdb/0x280 [ 248.705122] 1965979 pages RAM [ 248.708135] ? ret_from_intr+0xb/0x1e [ 248.712004] 0 pages HighMem/MovableOnly [ 248.715109] ? retint_kernel+0x2d/0x2d [ 248.718886] 342307 pages reserved [ 248.722856] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.726719] 0 pages cma reserved [ 248.730176] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.735133] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.738446] ? trace_hardirqs_off+0x310/0x310 [ 248.743254] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.749679] ? check_preemption_disabled+0x48/0x200 [ 248.754150] ksoftirqd/0 cpuset= [ 248.764458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.769451] / [ 248.772730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.778243] mems_allowed=0 [ 248.779959] ? retint_kernel+0x2d/0x2d [ 248.791496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.797048] ? check_preemption_disabled+0x48/0x200 [ 248.802065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.807627] run_timer_softirq+0x52/0xb0 [ 248.811694] ? __this_cpu_preempt_check+0x1c/0x1f [ 248.816538] __do_softirq+0x30b/0xad8 [ 248.820353] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.825461] ? pvclock_read_flags+0x160/0x160 [ 248.829956] ? lapic_next_event+0x5a/0x90 [ 248.834103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.839664] ? clockevents_program_event+0x140/0x370 [ 248.844776] ? kvm_clock_read+0x18/0x30 [ 248.848762] ? kvm_sched_clock_read+0x9/0x20 [ 248.853174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.858711] ? check_preemption_disabled+0x48/0x200 [ 248.863739] irq_exit+0x17f/0x1c0 [ 248.867196] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.872037] ? smp_reschedule_interrupt+0x109/0x650 [ 248.877055] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.882939] ? interrupt_entry+0xb5/0xf0 [ 248.887026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.892041] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.897064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.901907] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.906922] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.911941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.917483] ? check_preemption_disabled+0x48/0x200 [ 248.922503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.928045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.932907] apic_timer_interrupt+0xf/0x20 [ 248.937134] [ 248.939374] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 248.944303] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 248.963207] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.970917] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 248.978183] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 248.985451] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 248.992822] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 249.000095] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 249.007377] ? trace_hardirqs_on+0xb4/0x310 [ 249.011734] skb_clone+0x1bb/0x500 [ 249.015280] ? finish_task_switch+0x2f5/0x900 [ 249.019775] ? skb_split+0x11e0/0x11e0 [ 249.023673] ? preempt_notifier_register+0x200/0x200 [ 249.028776] ? __switch_to_asm+0x34/0x70 [ 249.032849] ? __switch_to_asm+0x34/0x70 [ 249.036912] ? __switch_to_asm+0x40/0x70 [ 249.040970] ? __switch_to_asm+0x34/0x70 [ 249.045032] ? __switch_to_asm+0x40/0x70 [ 249.049090] ? __switch_to_asm+0x34/0x70 [ 249.053149] ? __switch_to_asm+0x40/0x70 [ 249.057208] ? __switch_to_asm+0x34/0x70 [ 249.061276] ? __switch_to_asm+0x34/0x70 [ 249.065342] ? __switch_to_asm+0x40/0x70 [ 249.069405] ? __switch_to_asm+0x34/0x70 [ 249.073476] bpf_clone_redirect+0xb9/0x490 [ 249.077715] ? __schedule+0x874/0x1ed0 [ 249.081604] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 249.086626] ? __sched_text_start+0x8/0x8 [ 249.090774] ? retint_kernel+0x2d/0x2d [ 249.094664] ? retint_kernel+0x2d/0x2d [ 249.098552] ? trace_hardirqs_on_caller+0xc0/0x310 [ 249.103487] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.108265] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.113025] ? trace_hardirqs_off+0x310/0x310 [ 249.117526] ? lock_acquire+0x1ed/0x520 [ 249.121501] ? bpf_test_run+0x32e/0x5a0 [ 249.125481] ? lock_release+0x970/0x970 [ 249.129499] ? preempt_schedule+0x4d/0x60 [ 249.133650] ? preempt_schedule_common+0x1f/0xd0 [ 249.138409] ? preempt_schedule+0x4d/0x60 [ 249.142558] ? ___preempt_schedule+0x16/0x18 [ 249.146975] ? bpf_test_run+0x1c0/0x5a0 [ 249.150972] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.155388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.160923] ? bpf_test_init.isra.9+0x70/0x100 [ 249.165511] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.170269] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.175111] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.180646] ? fput+0x130/0x1a0 [ 249.183927] ? __bpf_prog_get+0x9b/0x290 [ 249.187990] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.192843] ? bpf_prog_test_run+0x130/0x1a0 [ 249.197258] ? __x64_sys_bpf+0x3d8/0x510 [ 249.201329] ? bpf_prog_get+0x20/0x20 [ 249.205149] ? do_syscall_64+0x1b9/0x820 [ 249.209228] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.214594] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.219525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.224377] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.229396] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.234418] ? prepare_exit_to_usermode+0x291/0x3b0 [ 249.239455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.244308] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.249687] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 249.249741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.256459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.263009] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.272293] Call Trace: [ 249.282767] syz-executor0 cpuset=syz0 [ 249.285358] dump_stack+0x1c4/0x2b4 [ 249.285377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.289157] mems_allowed=0 [ 249.292786] warn_alloc.cold.119+0xb7/0x1bd [ 249.305181] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.310026] ? lock_downgrade+0x900/0x900 [ 249.314182] ? trace_hardirqs_off+0xb8/0x310 [ 249.318597] ? trace_hardirqs_off+0xb8/0x310 [ 249.323016] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.327877] ? warn_alloc+0x120/0x120 [ 249.331684] ? warn_alloc+0x120/0x120 [ 249.335487] ? warn_alloc+0x120/0x120 [ 249.339291] ? mark_held_locks+0x130/0x130 [ 249.343530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.349067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.354608] ? should_fail+0x22d/0xd01 [ 249.358504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.363609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.369150] ? should_fail+0x22d/0xd01 [ 249.373039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.378144] ? should_fail+0x22d/0xd01 [ 249.382036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.387144] ? mark_held_locks+0x130/0x130 [ 249.391383] ? mark_held_locks+0x130/0x130 [ 249.395615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.401154] ? mark_held_locks+0x130/0x130 [ 249.405886] ? trace_hardirqs_on+0x310/0x310 [ 249.410293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.415839] ? wq_watchdog_touch+0x9c/0xfe [ 249.420079] ? io_serial_in+0x11/0x90 [ 249.423880] ? retint_kernel+0x2d/0x2d [ 249.427770] ? trace_hardirqs_on_caller+0xc0/0x310 [ 249.432707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.437461] ? trace_hardirqs_off+0x310/0x310 [ 249.441953] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.447065] __alloc_pages_nodemask+0xa80/0xde0 [ 249.451752] ? should_fail+0x22d/0xd01 [ 249.455642] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.460672] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.465349] ? lock_downgrade+0x900/0x900 [ 249.469501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.475043] cache_grow_begin+0x91/0x8c0 [ 249.479107] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.483537] fallback_alloc+0x203/0x2e0 [ 249.487525] ____cache_alloc_node+0x1c7/0x1e0 [ 249.492022] kmem_cache_alloc_node+0xe3/0x730 [ 249.496521] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.500760] __alloc_skb+0x119/0x770 [ 249.504485] ? skb_scrub_packet+0x490/0x490 [ 249.508803] ? lock_downgrade+0x900/0x900 [ 249.513195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.518734] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.524187] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.529651] ? addrconf_rs_timer+0x690/0x690 [ 249.534066] ndisc_alloc_skb+0x144/0x340 [ 249.538130] ndisc_send_rs+0x331/0x6e0 [ 249.542025] addrconf_rs_timer+0x314/0x690 [ 249.546258] ? lock_release+0x970/0x970 [ 249.550258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.554516] call_timer_fn+0x272/0x920 [ 249.558417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.562651] ? process_timeout+0x40/0x40 [ 249.566711] ? kasan_check_read+0x11/0x20 [ 249.570869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.575277] ? trace_hardirqs_on+0x310/0x310 [ 249.579689] ? __run_timers+0x7da/0xc70 [ 249.583664] ? lock_downgrade+0x900/0x900 [ 249.587828] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.592935] ? trace_hardirqs_on+0xbd/0x310 [ 249.597251] ? kasan_check_read+0x11/0x20 [ 249.601394] ? __run_timers+0x7da/0xc70 [ 249.605386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.610859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.616398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.620625] __run_timers+0x7e5/0xc70 [ 249.624452] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.629819] ? lock_downgrade+0x900/0x900 [ 249.633990] ? finish_task_switch+0x1b5/0x900 [ 249.638486] ? trace_hardirqs_on+0xbd/0x310 [ 249.642815] ? kasan_check_read+0x11/0x20 [ 249.646973] ? finish_task_switch+0x1f5/0x900 [ 249.651468] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.656921] ? compat_start_thread+0x80/0x80 [ 249.661337] ? pvclock_read_flags+0x160/0x160 [ 249.665843] ? __switch_to_asm+0x34/0x70 [ 249.669905] ? __switch_to_asm+0x34/0x70 [ 249.673960] ? __switch_to_asm+0x40/0x70 [ 249.678021] ? __switch_to_asm+0x40/0x70 [ 249.682078] ? __switch_to_asm+0x34/0x70 [ 249.686134] ? __switch_to_asm+0x40/0x70 [ 249.690195] ? trace_hardirqs_on+0xbd/0x310 [ 249.694515] ? kvm_sched_clock_read+0x9/0x20 [ 249.698928] ? run_ksoftirqd+0x94/0x100 [ 249.702903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.708442] ? check_preemption_disabled+0x48/0x200 [ 249.713457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.718997] run_timer_softirq+0x52/0xb0 [ 249.723057] ? __this_cpu_preempt_check+0x1c/0x1f [ 249.727903] __do_softirq+0x30b/0xad8 [ 249.731711] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.736832] ? schedule+0x108/0x460 [ 249.740467] ? trace_hardirqs_off+0xb8/0x310 [ 249.744886] ? smpboot_thread_fn+0x68b/0xa00 [ 249.749319] ? trace_hardirqs_on+0x310/0x310 [ 249.753727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.759265] ? check_preemption_disabled+0x48/0x200 [ 249.764283] ? takeover_tasklets+0xa90/0xa90 [ 249.768695] run_ksoftirqd+0x94/0x100 [ 249.772492] smpboot_thread_fn+0x68b/0xa00 [ 249.776724] ? sort_range+0x30/0x30 [ 249.780357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.785459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.790998] ? __kthread_parkme+0xfb/0x1a0 [ 249.795234] kthread+0x35a/0x420 [ 249.798600] ? sort_range+0x30/0x30 [ 249.802241] ? kthread_bind+0x40/0x40 [ 249.806045] ret_from_fork+0x3a/0x50 [ 249.809764] warn_alloc_show_mem: 1 callbacks suppressed [ 249.809776] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 249.809778] Mem-Info: [ 249.809817] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 249.809817] active_file:16 inactive_file:13 isolated_file:0 [ 249.809817] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.809817] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 249.809817] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 249.809817] free:13630 free_pcp:242 free_cma:0 [ 249.815169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.822377] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.824800] Call Trace: [ 249.857782] Node 0 [ 249.867140] [ 249.894650] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 249.897329] dump_stack+0x1c4/0x2b4 [ 249.899535] lowmem_reserve[]: [ 249.901687] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.927186] 0 [ 249.930829] warn_alloc.cold.119+0xb7/0x1bd [ 249.933914] 2819 [ 249.939102] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.940906] 6323 6323 [ 249.945234] ? lock_downgrade+0x900/0x900 [ 249.952109] ? trace_hardirqs_off+0xb8/0x310 [ 249.954584] Node 0 [ 249.958749] ? trace_hardirqs_off+0xb8/0x310 [ 249.963159] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.965370] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.969756] lowmem_reserve[]: [ 249.996754] ? warn_alloc+0x120/0x120 [ 250.001565] 0 [ 250.004667] ? trace_hardirqs_on+0x310/0x310 [ 250.008442] 0 [ 250.010240] ? warn_alloc+0x120/0x120 [ 250.014643] 3503 [ 250.016448] ? warn_alloc+0x120/0x120 [ 250.020224] 3503 [ 250.022295] ? ktime_get+0x2e1/0x440 [ 250.026071] Node 0 [ 250.028130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.031856] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 250.034065] ? check_preemption_disabled+0x48/0x200 [ 250.039574] lowmem_reserve[]: [ 250.067852] ? kasan_check_read+0x11/0x20 [ 250.067870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.072870] 0 [ 250.075973] ? should_fail+0x22d/0xd01 [ 250.080108] 0 [ 250.085641] ? rcu_bh_qs+0xc0/0xc0 [ 250.087430] 0 [ 250.091321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.093102] 0 [ 250.096640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.103515] ? should_fail+0x22d/0xd01 [ 250.105294] Node 0 [ 250.110833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.114702] DMA: [ 250.116935] ? should_fail+0x22d/0xd01 [ 250.122016] 1*4kB [ 250.124078] ? rcu_idle_enter+0x4b0/0x4b0 [ 250.127943] (U) [ 250.130096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.134223] 0*8kB [ 250.136197] ? mark_held_locks+0x130/0x130 [ 250.141278] 0*16kB [ 250.143424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.147635] 1*32kB [ 250.149872] ? mark_held_locks+0x130/0x130 [ 250.155404] (U) [ 250.157660] ? rcu_irq_exit+0xce/0x100 [ 250.161874] 2*64kB [ 250.163851] ? irq_exit+0xbd/0x1c0 [ 250.167715] (U) [ 250.169952] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 250.173472] 1*128kB [ 250.175459] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.180448] (U) [ 250.182768] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.187154] 1*256kB [ 250.189128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.194989] (U) [ 250.197311] ? ret_from_intr+0xb/0x1e [ 250.202840] 0*512kB [ 250.204832] ? retint_kernel+0x2d/0x2d [ 250.208617] 1*1024kB [ 250.210937] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.214801] (U) [ 250.217220] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.222124] 1*2048kB [ 250.224101] ? trace_hardirqs_off+0x310/0x310 [ 250.228845] (M) [ 250.231256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.235728] 3*4096kB [ 250.237713] __alloc_pages_nodemask+0xa80/0xde0 [ 250.242788] (M) [ 250.245204] ? should_fail+0x22d/0xd01 [ 250.249854] = 15908kB [ 250.251835] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.255701] Node 0 [ 250.258114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.263096] DMA32: [ 250.265336] ? lock_downgrade+0x900/0x900 [ 250.269978] 4*4kB [ 250.272212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.276327] (M) 0*8kB [ 250.278504] cache_grow_begin+0x91/0x8c0 [ 250.284023] 2*16kB [ 250.286516] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.290550] (M) [ 250.292801] fallback_alloc+0x203/0x2e0 [ 250.297196] 2*32kB (M) [ 250.299183] ____cache_alloc_node+0x1c7/0x1e0 [ 250.303139] 5*64kB [ 250.305720] kmem_cache_alloc_node+0xe3/0x730 [ 250.310226] (UM) [ 250.312461] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.316931] 3*128kB [ 250.318991] __alloc_skb+0x119/0x770 [ 250.323203] (M) [ 250.325524] ? skb_scrub_packet+0x490/0x490 [ 250.329218] 4*256kB [ 250.331193] ? lock_downgrade+0x900/0x900 [ 250.335487] (UM) [ 250.337820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.341949] 3*512kB [ 250.344008] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.349605] (M) [ 250.351927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.357354] 3*1024kB [ 250.359353] ? addrconf_rs_timer+0x690/0x690 [ 250.364778] (UM) [ 250.367192] ndisc_alloc_skb+0x144/0x340 [ 250.371571] 1*2048kB [ 250.373630] ndisc_send_rs+0x331/0x6e0 [ 250.377665] (M) [ 250.380073] addrconf_rs_timer+0x314/0x690 [ 250.383938] 4*4096kB [ 250.385911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.390122] (M) [ 250.392535] call_timer_fn+0x272/0x920 [ 250.396744] = 24880kB [ 250.398718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.402585] Node 0 [ 250.404996] ? process_timeout+0x40/0x40 [ 250.409206] Normal: [ 250.411441] ? trace_hardirqs_off+0xb8/0x310 [ 250.415496] 719*4kB [ 250.417824] ? kasan_check_read+0x11/0x20 [ 250.422211] (ME) [ 250.424533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.428659] 385*8kB [ 250.430723] ? trace_hardirqs_on+0x310/0x310 [ 250.435107] (UME) [ 250.437432] ? __run_timers+0x7da/0xc70 [ 250.441831] 182*16kB [ 250.443973] ? lock_downgrade+0x900/0x900 [ 250.447925] (ME) [ 250.450339] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.454454] 99*32kB (UME) [ 250.456528] ? trace_hardirqs_on+0xbd/0x310 [ 250.461610] 27*64kB [ 250.464454] ? kasan_check_read+0x11/0x20 [ 250.468751] (UM) [ 250.471075] ? __run_timers+0x7da/0xc70 [ 250.475201] 0*128kB [ 250.477264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.481212] 0*256kB [ 250.483534] ? kasan_check_write+0x14/0x20 [ 250.489142] 0*512kB [ 250.491467] ? do_raw_spin_lock+0xc1/0x200 [ 250.495680] 0*1024kB [ 250.498006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.502216] 0*2048kB [ 250.504626] __run_timers+0x7e5/0xc70 [ 250.508855] 0*4096kB [ 250.511270] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.515043] = 13764kB [ 250.517458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.522802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.525214] ? rcu_bh_qs+0xc0/0xc0 [ 250.530476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.539305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.542832] 148 total pagecache pages [ 250.551424] ? check_preemption_disabled+0x48/0x200 [ 250.556936] 0 pages in swap cache [ 250.560735] ? rcu_nmi_exit+0xdb/0x280 [ 250.565730] Swap cache stats: add 0, delete 0, find 0/0 [ 250.569180] ? ret_from_intr+0xb/0x1e [ 250.573046] Free swap = 0kB [ 250.578422] ? retint_kernel+0x2d/0x2d [ 250.582202] Total swap = 0kB [ 250.585219] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.589090] 1965979 pages RAM [ 250.592111] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.597016] 0 pages HighMem/MovableOnly [ 250.600120] ? trace_hardirqs_off+0x310/0x310 [ 250.600142] ? check_preemption_disabled+0x48/0x200 [ 250.604901] 342307 pages reserved [ 250.608879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.613355] 0 pages cma reserved [ 250.618375] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.621871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.627350] ? retint_kernel+0x2d/0x2d [ 250.630776] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.635454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.641932] ksoftirqd/0 cpuset= [ 250.645833] ? check_preemption_disabled+0x48/0x200 [ 250.656126] / [ 250.661662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.664921] mems_allowed=0 [ 250.669933] run_timer_softirq+0x52/0xb0 [ 250.684118] ? __this_cpu_preempt_check+0x1c/0x1f [ 250.688963] __do_softirq+0x30b/0xad8 [ 250.692777] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.697894] ? pvclock_read_flags+0x160/0x160 [ 250.702390] ? lapic_next_event+0x5a/0x90 [ 250.706539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.712081] ? clockevents_program_event+0x140/0x370 [ 250.717189] ? kvm_clock_read+0x18/0x30 [ 250.721167] ? kvm_sched_clock_read+0x9/0x20 [ 250.725577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.731118] ? check_preemption_disabled+0x48/0x200 [ 250.736144] irq_exit+0x17f/0x1c0 [ 250.739601] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.744442] ? smp_reschedule_interrupt+0x109/0x650 [ 250.749464] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.755352] ? interrupt_entry+0xb5/0xf0 [ 250.759419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.764438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.769458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.774309] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.779335] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.784359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.789903] ? check_preemption_disabled+0x48/0x200 [ 250.794917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.800460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.805310] apic_timer_interrupt+0xf/0x20 [ 250.809544] [ 250.811785] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 250.816731] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 250.835628] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.843346] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 250.850629] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 250.857899] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 250.865166] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 250.872436] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 250.879742] ? trace_hardirqs_on+0xb4/0x310 [ 250.884082] skb_clone+0x1bb/0x500 [ 250.887627] ? finish_task_switch+0x2f5/0x900 [ 250.892124] ? skb_split+0x11e0/0x11e0 [ 250.896018] ? preempt_notifier_register+0x200/0x200 [ 250.901126] ? __switch_to_asm+0x34/0x70 [ 250.905185] ? __switch_to_asm+0x34/0x70 [ 250.909248] ? __switch_to_asm+0x40/0x70 [ 250.913309] ? __switch_to_asm+0x34/0x70 [ 250.917387] ? __switch_to_asm+0x40/0x70 [ 250.921444] ? __switch_to_asm+0x34/0x70 [ 250.925507] ? __switch_to_asm+0x40/0x70 [ 250.929564] ? __switch_to_asm+0x34/0x70 [ 250.933629] ? __switch_to_asm+0x34/0x70 [ 250.937695] ? __switch_to_asm+0x40/0x70 [ 250.941754] ? __switch_to_asm+0x34/0x70 [ 250.945834] bpf_clone_redirect+0xb9/0x490 [ 250.950078] ? __schedule+0x874/0x1ed0 [ 250.953988] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 250.959011] ? __sched_text_start+0x8/0x8 [ 250.963161] ? retint_kernel+0x2d/0x2d [ 250.967053] ? retint_kernel+0x2d/0x2d [ 250.970946] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.975876] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.980631] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.985386] ? trace_hardirqs_off+0x310/0x310 [ 250.989894] ? lock_acquire+0x1ed/0x520 [ 250.993873] ? bpf_test_run+0x32e/0x5a0 [ 250.997854] ? lock_release+0x970/0x970 [ 251.001835] ? preempt_schedule+0x4d/0x60 [ 251.005993] ? preempt_schedule_common+0x1f/0xd0 [ 251.010752] ? preempt_schedule+0x4d/0x60 [ 251.014902] ? ___preempt_schedule+0x16/0x18 [ 251.019318] ? bpf_test_run+0x1c0/0x5a0 [ 251.023305] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.027720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.033275] ? bpf_test_init.isra.9+0x70/0x100 [ 251.037860] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.042621] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.047465] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.052999] ? fput+0x130/0x1a0 [ 251.056281] ? __bpf_prog_get+0x9b/0x290 [ 251.060348] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.065189] ? bpf_prog_test_run+0x130/0x1a0 [ 251.069599] ? __x64_sys_bpf+0x3d8/0x510 [ 251.073664] ? bpf_prog_get+0x20/0x20 [ 251.077481] ? do_syscall_64+0x1b9/0x820 [ 251.081542] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.086907] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.091850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.096697] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.101717] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.106741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.111764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.116616] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.121995] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 251.122049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.128765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.128775] Call Trace: [ 251.135363] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.144626] dump_stack+0x1c4/0x2b4 [ 251.147187] syz-executor0 cpuset= [ 251.157670] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.161269] syz0 [ 251.164722] warn_alloc.cold.119+0xb7/0x1bd [ 251.169888] mems_allowed=0 [ 251.171865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.183947] ? lock_downgrade+0x900/0x900 [ 251.188120] ? trace_hardirqs_off+0xb8/0x310 [ 251.192536] ? trace_hardirqs_off+0xb8/0x310 [ 251.196953] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.201820] ? warn_alloc+0x120/0x120 [ 251.205628] ? warn_alloc+0x120/0x120 [ 251.209433] ? warn_alloc+0x120/0x120 [ 251.213233] ? mark_held_locks+0x130/0x130 [ 251.217471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.223006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.228545] ? should_fail+0x22d/0xd01 [ 251.232434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.237537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.243071] ? should_fail+0x22d/0xd01 [ 251.246963] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.252068] ? should_fail+0x22d/0xd01 [ 251.255959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.261065] ? mark_held_locks+0x130/0x130 [ 251.265301] ? mark_held_locks+0x130/0x130 [ 251.269540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.275079] ? trace_hardirqs_off+0xb8/0x310 [ 251.279486] ? kasan_check_read+0x11/0x20 [ 251.283634] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.288040] ? trace_hardirqs_on+0x310/0x310 [ 251.292447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.297983] ? wq_watchdog_touch+0x9c/0xfe [ 251.302214] ? io_serial_in+0x11/0x90 [ 251.306016] ? retint_kernel+0x2d/0x2d [ 251.309906] ? trace_hardirqs_on_caller+0xc0/0x310 [ 251.314858] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.319614] ? trace_hardirqs_off+0x310/0x310 [ 251.324105] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.329215] __alloc_pages_nodemask+0xa80/0xde0 [ 251.333883] ? should_fail+0x22d/0xd01 [ 251.337771] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.342803] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.347490] ? lock_downgrade+0x900/0x900 [ 251.351646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.357185] cache_grow_begin+0x91/0x8c0 [ 251.361247] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.365660] fallback_alloc+0x203/0x2e0 [ 251.369641] ____cache_alloc_node+0x1c7/0x1e0 [ 251.374138] kmem_cache_alloc_node+0xe3/0x730 [ 251.378634] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.382874] __alloc_skb+0x119/0x770 [ 251.386588] ? skb_scrub_packet+0x490/0x490 [ 251.390909] ? lock_downgrade+0x900/0x900 [ 251.395065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.400607] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.406578] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.412034] ? addrconf_rs_timer+0x690/0x690 [ 251.416538] ndisc_alloc_skb+0x144/0x340 [ 251.420607] ndisc_send_rs+0x331/0x6e0 [ 251.424517] addrconf_rs_timer+0x314/0x690 [ 251.428752] ? lock_release+0x970/0x970 [ 251.432731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.436978] call_timer_fn+0x272/0x920 [ 251.440869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.445107] ? process_timeout+0x40/0x40 [ 251.449169] ? kasan_check_read+0x11/0x20 [ 251.453319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.457728] ? trace_hardirqs_on+0x310/0x310 [ 251.462138] ? __run_timers+0x7da/0xc70 [ 251.466121] ? lock_downgrade+0x900/0x900 [ 251.470271] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.475374] ? trace_hardirqs_on+0xbd/0x310 [ 251.479692] ? kasan_check_read+0x11/0x20 [ 251.483849] ? __run_timers+0x7da/0xc70 [ 251.487837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.493291] ? kasan_check_write+0x14/0x20 [ 251.497526] ? do_raw_spin_lock+0xc1/0x200 [ 251.501761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.505997] __run_timers+0x7e5/0xc70 [ 251.510042] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.515409] ? lock_downgrade+0x900/0x900 [ 251.519556] ? finish_task_switch+0x1b5/0x900 [ 251.524057] ? trace_hardirqs_on+0xbd/0x310 [ 251.528374] ? kasan_check_read+0x11/0x20 [ 251.532523] ? finish_task_switch+0x1f5/0x900 [ 251.537018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.542475] ? compat_start_thread+0x80/0x80 [ 251.546905] ? pvclock_read_flags+0x160/0x160 [ 251.551414] ? __switch_to_asm+0x34/0x70 [ 251.555474] ? __switch_to_asm+0x34/0x70 [ 251.559530] ? __switch_to_asm+0x40/0x70 [ 251.563590] ? __switch_to_asm+0x40/0x70 [ 251.567647] ? __switch_to_asm+0x34/0x70 [ 251.571706] ? __switch_to_asm+0x40/0x70 [ 251.575774] ? trace_hardirqs_on+0xbd/0x310 [ 251.580098] ? kvm_sched_clock_read+0x9/0x20 [ 251.584508] ? run_ksoftirqd+0x94/0x100 [ 251.588483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.594034] ? check_preemption_disabled+0x48/0x200 [ 251.599048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.604587] run_timer_softirq+0x52/0xb0 [ 251.608646] ? __this_cpu_preempt_check+0x1c/0x1f [ 251.613490] __do_softirq+0x30b/0xad8 [ 251.617294] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.622404] ? schedule+0x108/0x460 [ 251.626040] ? trace_hardirqs_off+0xb8/0x310 [ 251.630447] ? smpboot_thread_fn+0x68b/0xa00 [ 251.634856] ? trace_hardirqs_on+0x310/0x310 [ 251.639264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.644800] ? check_preemption_disabled+0x48/0x200 [ 251.649844] ? takeover_tasklets+0xa90/0xa90 [ 251.654257] run_ksoftirqd+0x94/0x100 [ 251.658055] smpboot_thread_fn+0x68b/0xa00 [ 251.662288] ? sort_range+0x30/0x30 [ 251.665918] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.671025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.676563] ? __kthread_parkme+0xfb/0x1a0 [ 251.680802] kthread+0x35a/0x420 [ 251.684185] ? sort_range+0x30/0x30 [ 251.687818] ? kthread_bind+0x40/0x40 [ 251.691631] ret_from_fork+0x3a/0x50 [ 251.695348] warn_alloc_show_mem: 1 callbacks suppressed [ 251.695361] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 251.695363] Mem-Info: [ 251.695398] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 251.695398] active_file:16 inactive_file:13 isolated_file:0 [ 251.695398] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.695398] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 251.695398] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 251.695398] free:13630 free_pcp:242 free_cma:0 [ 251.700747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.707940] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.710343] Call Trace: [ 251.743232] Node 0 [ 251.752586] [ 251.780103] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.782676] dump_stack+0x1c4/0x2b4 [ 251.784888] lowmem_reserve[]: [ 251.787036] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.812510] 0 2819 [ 251.816159] warn_alloc.cold.119+0xb7/0x1bd [ 251.819234] 6323 [ 251.824418] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.826629] 6323 [ 251.830950] ? lock_downgrade+0x900/0x900 [ 251.832990] Node 0 [ 251.837841] ? trace_hardirqs_off+0xb8/0x310 [ 251.839909] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.844027] ? trace_hardirqs_off+0xb8/0x310 [ 251.846245] lowmem_reserve[]: [ 251.850652] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.877604] 0 0 [ 251.882045] ? warn_alloc+0x120/0x120 [ 251.885111] 3503 [ 251.889952] ? trace_hardirqs_on+0x310/0x310 [ 251.891904] 3503 [ 251.895698] ? warn_alloc+0x120/0x120 [ 251.902144] ? warn_alloc+0x120/0x120 [ 251.904183] Node 0 [ 251.907979] ? ktime_get+0x2e1/0x440 [ 251.911780] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 251.913987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.917668] lowmem_reserve[]: 0 [ 251.945961] ? check_preemption_disabled+0x48/0x200 [ 251.951469] 0 [ 251.954766] ? kasan_check_read+0x11/0x20 [ 251.959752] 0 0 [ 251.961567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.965702] Node 0 [ 251.967679] ? should_fail+0x22d/0xd01 [ 251.973195] DMA: [ 251.975429] ? rcu_bh_qs+0xc0/0xc0 [ 251.979294] 1*4kB [ 251.981356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.984873] (U) [ 251.987022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.992100] 0*8kB [ 251.994072] ? should_fail+0x22d/0xd01 [ 251.999584] 0*16kB [ 252.001735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.005600] 1*32kB [ 252.007842] ? should_fail+0x22d/0xd01 [ 252.012927] (U) [ 252.015166] ? rcu_idle_enter+0x4b0/0x4b0 [ 252.019050] 2*64kB [ 252.021028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.025157] (U) [ 252.027390] ? mark_held_locks+0x130/0x130 [ 252.032469] 1*128kB [ 252.034446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.038655] (U) [ 252.040977] ? mark_held_locks+0x130/0x130 [ 252.046493] 1*256kB [ 252.048468] ? rcu_irq_exit+0xce/0x100 [ 252.052677] (U) [ 252.054999] ? irq_exit+0xbd/0x1c0 [ 252.058863] 0*512kB [ 252.060841] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 252.060862] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.064379] 1*1024kB [ 252.066702] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.071692] (U) [ 252.076104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.078489] 1*2048kB [ 252.084383] ? ret_from_intr+0xb/0x1e [ 252.086337] (M) [ 252.091879] ? retint_kernel+0x2d/0x2d [ 252.094297] 3*4096kB [ 252.098084] ? trace_hardirqs_on_caller+0xc0/0x310 [ 252.100046] (M) [ 252.103932] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.106319] = 15908kB [ 252.111247] ? trace_hardirqs_off+0x310/0x310 [ 252.113201] Node 0 [ 252.117952] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.120339] DMA32: [ 252.124841] __alloc_pages_nodemask+0xa80/0xde0 [ 252.127055] 4*4kB [ 252.132156] ? should_fail+0x22d/0xd01 [ 252.134366] (M) [ 252.139034] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.141163] 0*8kB [ 252.145054] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.147001] 2*16kB [ 252.152015] ? lock_downgrade+0x900/0x900 [ 252.154143] (M) [ 252.158821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.161036] 2*32kB [ 252.165178] cache_grow_begin+0x91/0x8c0 [ 252.167127] (M) [ 252.172674] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.174888] 5*64kB [ 252.178942] fallback_alloc+0x203/0x2e0 [ 252.180892] (UM) [ 252.185296] ____cache_alloc_node+0x1c7/0x1e0 [ 252.187510] 3*128kB [ 252.191479] kmem_cache_alloc_node+0xe3/0x730 [ 252.193519] (M) [ 252.198009] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.200308] 4*256kB [ 252.204801] __alloc_skb+0x119/0x770 [ 252.206769] (UM) [ 252.211000] ? skb_scrub_packet+0x490/0x490 [ 252.213305] 3*512kB [ 252.217023] ? lock_downgrade+0x900/0x900 [ 252.219067] (M) [ 252.223385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.225684] 3*1024kB [ 252.229841] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.231793] (UM) [ 252.237343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.239727] 1*2048kB [ 252.245174] ? addrconf_rs_timer+0x690/0x690 [ 252.247210] (M) [ 252.252664] ndisc_alloc_skb+0x144/0x340 [ 252.255052] 4*4096kB [ 252.259457] ndisc_send_rs+0x331/0x6e0 [ 252.261412] (M) [ 252.265468] addrconf_rs_timer+0x314/0x690 [ 252.267860] = 24880kB [ 252.271741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.273694] Node 0 [ 252.277934] call_timer_fn+0x272/0x920 [ 252.280318] Normal: [ 252.284554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.286771] 719*4kB [ 252.290654] ? process_timeout+0x40/0x40 [ 252.292975] (ME) [ 252.297209] ? trace_hardirqs_off+0xb8/0x310 [ 252.299509] 385*8kB [ 252.303564] ? kasan_check_read+0x11/0x20 [ 252.305608] (UME) [ 252.310017] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.312329] 182*16kB [ 252.316476] ? trace_hardirqs_on+0x310/0x310 [ 252.318597] (ME) 99*32kB [ 252.323010] ? __run_timers+0x7da/0xc70 [ 252.325398] (UME) [ 252.329801] ? lock_downgrade+0x900/0x900 [ 252.332551] 27*64kB [ 252.336518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.338646] (UM) [ 252.342790] ? trace_hardirqs_on+0xbd/0x310 [ 252.345094] 0*128kB [ 252.350194] ? kasan_check_read+0x11/0x20 [ 252.352233] 0*256kB [ 252.356549] ? __run_timers+0x7da/0xc70 [ 252.358854] 0*512kB [ 252.363007] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.365315] 0*1024kB [ 252.369301] ? kasan_check_write+0x14/0x20 [ 252.371615] 0*2048kB [ 252.377062] ? do_raw_spin_lock+0xc1/0x200 [ 252.379449] 0*4096kB [ 252.383679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.386068] = 13764kB [ 252.390300] __run_timers+0x7e5/0xc70 [ 252.392693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.396934] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.399325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.403124] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.411938] 148 total pagecache pages [ 252.417296] ? rcu_bh_qs+0xc0/0xc0 [ 252.425848] 0 pages in swap cache [ 252.431122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.434901] Swap cache stats: add 0, delete 0, find 0/0 [ 252.438434] ? check_preemption_disabled+0x48/0x200 [ 252.441856] Free swap = 0kB [ 252.441866] Total swap = 0kB [ 252.447400] ? rcu_nmi_exit+0xdb/0x280 [ 252.452740] 1965979 pages RAM [ 252.457752] ? ret_from_intr+0xb/0x1e [ 252.460747] 0 pages HighMem/MovableOnly [ 252.463760] ? retint_kernel+0x2d/0x2d [ 252.467627] 342307 pages reserved [ 252.470732] ? trace_hardirqs_on_caller+0xc0/0x310 [ 252.474507] 0 pages cma reserved [ 252.478507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.482425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.485840] ? trace_hardirqs_off+0x310/0x310 [ 252.490831] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.494116] ? check_preemption_disabled+0x48/0x200 [ 252.498848] ksoftirqd/0 cpuset= [ 252.505341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.509818] / [ 252.520132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.525125] mems_allowed=0 [ 252.528397] ? retint_kernel+0x2d/0x2d [ 252.547196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.552735] ? check_preemption_disabled+0x48/0x200 [ 252.557748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.563291] run_timer_softirq+0x52/0xb0 [ 252.567362] ? __this_cpu_preempt_check+0x1c/0x1f [ 252.572205] __do_softirq+0x30b/0xad8 [ 252.576013] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.581121] ? pvclock_read_flags+0x160/0x160 [ 252.585615] ? lapic_next_event+0x5a/0x90 [ 252.589765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.595303] ? clockevents_program_event+0x140/0x370 [ 252.600418] ? kvm_clock_read+0x18/0x30 [ 252.604391] ? kvm_sched_clock_read+0x9/0x20 [ 252.608798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.614350] ? check_preemption_disabled+0x48/0x200 [ 252.619372] irq_exit+0x17f/0x1c0 [ 252.622834] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.627694] ? smp_reschedule_interrupt+0x109/0x650 [ 252.632724] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.638645] ? interrupt_entry+0xb5/0xf0 [ 252.642704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.647748] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.652771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.657622] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.662639] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.667659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.673195] ? check_preemption_disabled+0x48/0x200 [ 252.678208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.683748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.688618] apic_timer_interrupt+0xf/0x20 [ 252.692848] [ 252.695084] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 252.700018] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 252.718920] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.726630] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 252.733898] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 252.741162] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 252.748426] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 252.755687] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 252.762971] ? trace_hardirqs_on+0xb4/0x310 [ 252.767307] skb_clone+0x1bb/0x500 [ 252.770857] ? finish_task_switch+0x2f5/0x900 [ 252.775359] ? skb_split+0x11e0/0x11e0 [ 252.779251] ? preempt_notifier_register+0x200/0x200 [ 252.784356] ? __switch_to_asm+0x34/0x70 [ 252.788428] ? __switch_to_asm+0x34/0x70 [ 252.792510] ? __switch_to_asm+0x40/0x70 [ 252.796566] ? __switch_to_asm+0x34/0x70 [ 252.800626] ? __switch_to_asm+0x40/0x70 [ 252.804681] ? __switch_to_asm+0x34/0x70 [ 252.808752] ? __switch_to_asm+0x40/0x70 [ 252.812817] ? __switch_to_asm+0x34/0x70 [ 252.816876] ? __switch_to_asm+0x34/0x70 [ 252.820934] ? __switch_to_asm+0x40/0x70 [ 252.825018] ? __switch_to_asm+0x34/0x70 [ 252.829084] bpf_clone_redirect+0xb9/0x490 [ 252.833337] ? __schedule+0x874/0x1ed0 [ 252.837240] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 252.842257] ? __sched_text_start+0x8/0x8 [ 252.846405] ? retint_kernel+0x2d/0x2d [ 252.850300] ? retint_kernel+0x2d/0x2d [ 252.854217] ? trace_hardirqs_on_caller+0xc0/0x310 [ 252.859146] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.863902] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.868657] ? trace_hardirqs_off+0x310/0x310 [ 252.873159] ? lock_acquire+0x1ed/0x520 [ 252.877130] ? bpf_test_run+0x32e/0x5a0 [ 252.881104] ? lock_release+0x970/0x970 [ 252.885081] ? preempt_schedule+0x4d/0x60 [ 252.889234] ? preempt_schedule_common+0x1f/0xd0 [ 252.893992] ? preempt_schedule+0x4d/0x60 [ 252.898228] ? ___preempt_schedule+0x16/0x18 [ 252.902648] ? bpf_test_run+0x1c0/0x5a0 [ 252.906664] ? netlink_diag_dump+0x2a0/0x2a0 [ 252.911073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.916653] ? bpf_test_init.isra.9+0x70/0x100 [ 252.921237] ? bpf_prog_test_run_skb+0x634/0xb40 [ 252.925995] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.930864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.936408] ? fput+0x130/0x1a0 [ 252.939688] ? __bpf_prog_get+0x9b/0x290 [ 252.943759] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 252.948599] ? bpf_prog_test_run+0x130/0x1a0 [ 252.953010] ? __x64_sys_bpf+0x3d8/0x510 [ 252.957068] ? bpf_prog_get+0x20/0x20 [ 252.960883] ? do_syscall_64+0x1b9/0x820 [ 252.964948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.970343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.975272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.980116] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.985133] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.990150] ? prepare_exit_to_usermode+0x291/0x3b0 [ 252.995167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.000014] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.005394] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 253.005443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.012182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.012191] Call Trace: [ 253.012223] dump_stack+0x1c4/0x2b4 [ 253.012256] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.018758] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.028078] warn_alloc.cold.119+0xb7/0x1bd [ 253.030638] syz-executor0 cpuset= [ 253.034265] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.039433] syz0 [ 253.049917] ? lock_downgrade+0x900/0x900 [ 253.054218] mems_allowed=0 [ 253.057666] ? trace_hardirqs_off+0xb8/0x310 [ 253.075895] ? trace_hardirqs_off+0xb8/0x310 [ 253.080309] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.085168] ? warn_alloc+0x120/0x120 [ 253.088972] ? warn_alloc+0x120/0x120 [ 253.092773] ? warn_alloc+0x120/0x120 [ 253.096577] ? mark_held_locks+0x130/0x130 [ 253.100826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.106365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.111909] ? should_fail+0x22d/0xd01 [ 253.115798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.120916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.126452] ? should_fail+0x22d/0xd01 [ 253.130344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.135444] ? should_fail+0x22d/0xd01 [ 253.139334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.144447] ? mark_held_locks+0x130/0x130 [ 253.148682] ? mark_held_locks+0x130/0x130 [ 253.152914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.158451] ? trace_hardirqs_off+0xb8/0x310 [ 253.162857] ? kasan_check_read+0x11/0x20 [ 253.167001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.171406] ? trace_hardirqs_on+0x310/0x310 [ 253.175827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.181364] ? wq_watchdog_touch+0x9c/0xfe [ 253.185597] ? io_serial_in+0x11/0x90 [ 253.189394] ? retint_kernel+0x2d/0x2d [ 253.193278] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.198206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.202962] ? trace_hardirqs_off+0x310/0x310 [ 253.207454] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.212563] __alloc_pages_nodemask+0xa80/0xde0 [ 253.217231] ? should_fail+0x22d/0xd01 [ 253.221123] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.226153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.230837] ? lock_downgrade+0x900/0x900 [ 253.234990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.240530] cache_grow_begin+0x91/0x8c0 [ 253.244593] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.249004] fallback_alloc+0x203/0x2e0 [ 253.252983] ____cache_alloc_node+0x1c7/0x1e0 [ 253.257479] kmem_cache_alloc_node+0xe3/0x730 [ 253.261978] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.266218] __alloc_skb+0x119/0x770 [ 253.269933] ? skb_scrub_packet+0x490/0x490 [ 253.274253] ? lock_downgrade+0x900/0x900 [ 253.278413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.283949] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.289400] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.294854] ? addrconf_rs_timer+0x690/0x690 [ 253.299269] ndisc_alloc_skb+0x144/0x340 [ 253.303369] ndisc_send_rs+0x331/0x6e0 [ 253.307257] addrconf_rs_timer+0x314/0x690 [ 253.311493] ? lock_release+0x970/0x970 [ 253.315468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.319708] call_timer_fn+0x272/0x920 [ 253.323596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.327845] ? process_timeout+0x40/0x40 [ 253.331903] ? kasan_check_read+0x11/0x20 [ 253.336054] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.340462] ? trace_hardirqs_on+0x310/0x310 [ 253.344873] ? __run_timers+0x7da/0xc70 [ 253.348850] ? lock_downgrade+0x900/0x900 [ 253.353000] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.358104] ? trace_hardirqs_on+0xbd/0x310 [ 253.362422] ? kasan_check_read+0x11/0x20 [ 253.366568] ? __run_timers+0x7da/0xc70 [ 253.370569] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.376016] ? kasan_check_write+0x14/0x20 [ 253.380251] ? do_raw_spin_lock+0xc1/0x200 [ 253.384490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.388723] __run_timers+0x7e5/0xc70 [ 253.392543] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.397910] ? lock_downgrade+0x900/0x900 [ 253.402585] ? finish_task_switch+0x1b5/0x900 [ 253.407087] ? trace_hardirqs_on+0xbd/0x310 [ 253.411408] ? kasan_check_read+0x11/0x20 [ 253.415554] ? finish_task_switch+0x1f5/0x900 [ 253.420047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.425498] ? compat_start_thread+0x80/0x80 [ 253.429917] ? pvclock_read_flags+0x160/0x160 [ 253.434410] ? __switch_to_asm+0x34/0x70 [ 253.438467] ? __switch_to_asm+0x34/0x70 [ 253.442526] ? __switch_to_asm+0x40/0x70 [ 253.446587] ? __switch_to_asm+0x40/0x70 [ 253.450645] ? __switch_to_asm+0x34/0x70 [ 253.454701] ? __switch_to_asm+0x40/0x70 [ 253.458763] ? trace_hardirqs_on+0xbd/0x310 [ 253.463082] ? kvm_sched_clock_read+0x9/0x20 [ 253.467490] ? run_ksoftirqd+0x94/0x100 [ 253.471466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.477007] ? check_preemption_disabled+0x48/0x200 [ 253.482027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.487576] run_timer_softirq+0x52/0xb0 [ 253.491641] ? __this_cpu_preempt_check+0x1c/0x1f [ 253.496483] __do_softirq+0x30b/0xad8 [ 253.500292] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.505402] ? schedule+0x108/0x460 [ 253.509270] ? trace_hardirqs_off+0xb8/0x310 [ 253.513675] ? smpboot_thread_fn+0x68b/0xa00 [ 253.518086] ? trace_hardirqs_on+0x310/0x310 [ 253.522496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.528035] ? check_preemption_disabled+0x48/0x200 [ 253.533056] ? takeover_tasklets+0xa90/0xa90 [ 253.537467] run_ksoftirqd+0x94/0x100 [ 253.541272] smpboot_thread_fn+0x68b/0xa00 [ 253.545507] ? sort_range+0x30/0x30 [ 253.549134] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.554235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.559772] ? __kthread_parkme+0xfb/0x1a0 [ 253.564014] kthread+0x35a/0x420 [ 253.567380] ? sort_range+0x30/0x30 [ 253.571006] ? kthread_bind+0x40/0x40 [ 253.574827] ret_from_fork+0x3a/0x50 [ 253.578547] warn_alloc_show_mem: 1 callbacks suppressed [ 253.578559] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 253.578562] Mem-Info: [ 253.578591] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 253.578591] active_file:16 inactive_file:13 isolated_file:0 [ 253.578591] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.578591] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 253.578591] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 253.578591] free:13630 free_pcp:242 free_cma:0 [ 253.583943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.591139] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.593584] Call Trace: [ 253.626570] Node 0 [ 253.635934] [ 253.663458] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.666030] dump_stack+0x1c4/0x2b4 [ 253.668238] lowmem_reserve[]: [ 253.670393] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.695883] 0 [ 253.699528] warn_alloc.cold.119+0xb7/0x1bd [ 253.702603] 2819 [ 253.707801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.709599] 6323 6323 [ 253.713935] ? lock_downgrade+0x900/0x900 [ 253.715973] Node 0 [ 253.720850] ? trace_hardirqs_off+0xb8/0x310 [ 253.723383] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.727507] ? trace_hardirqs_off+0xb8/0x310 [ 253.729717] lowmem_reserve[]: [ 253.734129] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.761092] 0 [ 253.765521] ? warn_alloc+0x120/0x120 [ 253.768590] 0 [ 253.773441] ? warn_alloc+0x120/0x120 [ 253.775219] 3503 [ 253.779017] ? warn_alloc+0x120/0x120 [ 253.780793] 3503 [ 253.784602] ? mark_held_locks+0x130/0x130 [ 253.790440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.792479] Node 0 [ 253.796723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.802260] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 253.804473] ? should_fail+0x22d/0xd01 [ 253.809985] lowmem_reserve[]: [ 253.838290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.842158] 0 [ 253.845262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.850343] 0 [ 253.852146] ? should_fail+0x22d/0xd01 [ 253.857650] 0 0 [ 253.859458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.865302] ? should_fail+0x22d/0xd01 [ 253.870381] Node 0 DMA: [ 253.874265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.874310] ? mark_held_locks+0x130/0x130 [ 253.876977] 1*4kB [ 253.882075] ? mark_held_locks+0x130/0x130 [ 253.886284] (U) [ 253.888436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.892640] 0*8kB 0*16kB [ 253.894624] ? trace_hardirqs_off+0xb8/0x310 [ 253.900130] 1*32kB (U) [ 253.902897] ? kasan_check_read+0x11/0x20 [ 253.907283] 2*64kB [ 253.909865] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.913989] (U) [ 253.916223] ? trace_hardirqs_on+0x310/0x310 [ 253.920607] 1*128kB [ 253.922581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.926967] (U) [ 253.929313] ? wq_watchdog_touch+0x9c/0xfe [ 253.934838] 1*256kB (U) [ 253.936833] ? io_serial_in+0x11/0x90 [ 253.941049] 0*512kB [ 253.943717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.947498] 1*1024kB [ 253.949874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.955400] (U) [ 253.957847] __alloc_pages_nodemask+0xa80/0xde0 [ 253.962924] 1*2048kB [ 253.964898] ? should_fail+0x22d/0xd01 [ 253.969543] (M) [ 253.971952] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.975826] 3*4096kB [ 253.977819] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.982800] (M) = 15908kB [ 253.985228] ? lock_downgrade+0x900/0x900 [ 253.989874] Node 0 [ 253.992630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.996745] DMA32: 4*4kB [ 253.998989] cache_grow_begin+0x91/0x8c0 [ 254.004501] (M) [ 254.007257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.011293] 0*8kB [ 254.013268] fallback_alloc+0x203/0x2e0 [ 254.017655] 2*16kB [ 254.019803] ____cache_alloc_node+0x1c7/0x1e0 [ 254.023764] (M) [ 254.026003] kmem_cache_alloc_node+0xe3/0x730 [ 254.030484] 2*32kB [ 254.032460] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.036930] (M) [ 254.039163] __alloc_skb+0x119/0x770 [ 254.043375] 5*64kB [ 254.045350] ? skb_scrub_packet+0x490/0x490 [ 254.049041] (UM) [ 254.051278] ? lock_downgrade+0x900/0x900 [ 254.055576] 3*128kB [ 254.057639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.061760] (M) [ 254.064083] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.069597] 4*256kB [ 254.071571] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.076995] (UM) [ 254.079318] ? addrconf_rs_timer+0x690/0x690 [ 254.084742] 3*512kB [ 254.086803] ndisc_alloc_skb+0x144/0x340 [ 254.091199] (M) [ 254.093526] ndisc_send_rs+0x331/0x6e0 [ 254.097570] 3*1024kB [ 254.099563] addrconf_rs_timer+0x314/0x690 [ 254.103421] (UM) [ 254.105843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.110054] 1*2048kB [ 254.112119] call_timer_fn+0x272/0x920 [ 254.116331] (M) [ 254.118741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.122602] 4*4096kB [ 254.124577] ? process_timeout+0x40/0x40 [ 254.128791] (M) [ 254.131211] ? trace_hardirqs_off+0xb8/0x310 [ 254.135249] = 24880kB [ 254.137221] ? kasan_check_read+0x11/0x20 [ 254.141607] Node 0 [ 254.144018] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.148140] Normal: [ 254.150372] ? trace_hardirqs_on+0x310/0x310 [ 254.154754] 719*4kB [ 254.157079] ? __run_timers+0x7da/0xc70 [ 254.161461] (ME) [ 254.163785] ? lock_downgrade+0x900/0x900 [ 254.167739] 385*8kB [ 254.169801] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.173938] (UME) [ 254.176261] ? trace_hardirqs_on+0xbd/0x310 [ 254.181344] 182*16kB [ 254.183492] ? kasan_check_read+0x11/0x20 [ 254.187789] (ME) [ 254.190211] ? __run_timers+0x7da/0xc70 [ 254.194331] 99*32kB (UME) [ 254.196405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.200354] 27*64kB [ 254.203194] ? kasan_check_write+0x14/0x20 [ 254.208625] (UM) [ 254.210968] ? do_raw_spin_lock+0xc1/0x200 [ 254.215179] 0*128kB [ 254.217241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.221449] 0*256kB [ 254.223770] __run_timers+0x7e5/0xc70 [ 254.227983] 0*512kB [ 254.230314] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.234089] 0*1024kB [ 254.236412] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.241749] 0*2048kB [ 254.244154] ? rcu_bh_qs+0xc0/0xc0 [ 254.249408] 0*4096kB [ 254.251831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.255359] = 13764kB [ 254.257765] ? check_preemption_disabled+0x48/0x200 [ 254.263281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.265681] ? rcu_nmi_exit+0xdb/0x280 [ 254.270678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.279508] ? ret_from_intr+0xb/0x1e [ 254.283375] 148 total pagecache pages [ 254.291961] ? retint_kernel+0x2d/0x2d [ 254.295754] 0 pages in swap cache [ 254.299556] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.303428] Swap cache stats: add 0, delete 0, find 0/0 [ 254.306877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.311784] Free swap = 0kB [ 254.317149] ? trace_hardirqs_off+0x310/0x310 [ 254.321879] Total swap = 0kB [ 254.324895] ? check_preemption_disabled+0x48/0x200 [ 254.329361] 1965979 pages RAM [ 254.332378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.337376] 0 pages HighMem/MovableOnly [ 254.340480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.346250] 342307 pages reserved [ 254.350224] ? retint_kernel+0x2d/0x2d [ 254.354957] 0 pages cma reserved [ 254.358413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.362349] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.365666] ? check_preemption_disabled+0x48/0x200 [ 254.365701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.371288] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.377729] run_timer_softirq+0x52/0xb0 [ 254.382722] ksoftirqd/0 cpuset= [ 254.388257] ? __this_cpu_preempt_check+0x1c/0x1f [ 254.398538] / [ 254.402600] __do_softirq+0x30b/0xad8 [ 254.405857] mems_allowed=0 [ 254.410696] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.424198] ? pvclock_read_flags+0x160/0x160 [ 254.428694] ? lapic_next_event+0x5a/0x90 [ 254.432843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.438380] ? clockevents_program_event+0x140/0x370 [ 254.443488] ? kvm_clock_read+0x18/0x30 [ 254.447460] ? kvm_sched_clock_read+0x9/0x20 [ 254.451868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.457409] ? check_preemption_disabled+0x48/0x200 [ 254.462430] irq_exit+0x17f/0x1c0 [ 254.465886] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.470744] ? smp_reschedule_interrupt+0x109/0x650 [ 254.475771] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.481653] ? interrupt_entry+0xb5/0xf0 [ 254.485715] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.490738] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.495754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.500598] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.505623] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.510643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.516219] ? check_preemption_disabled+0x48/0x200 [ 254.521245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.526786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.531652] apic_timer_interrupt+0xf/0x20 [ 254.535878] [ 254.538119] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.543076] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 254.561974] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.569682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 254.576948] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 254.584228] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 254.591497] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 254.598763] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 254.606045] ? trace_hardirqs_on+0xb4/0x310 [ 254.610400] skb_clone+0x1bb/0x500 [ 254.613942] ? finish_task_switch+0x2f5/0x900 [ 254.618486] ? skb_split+0x11e0/0x11e0 [ 254.622373] ? preempt_notifier_register+0x200/0x200 [ 254.627475] ? __switch_to_asm+0x34/0x70 [ 254.631534] ? __switch_to_asm+0x34/0x70 [ 254.635592] ? __switch_to_asm+0x40/0x70 [ 254.639650] ? __switch_to_asm+0x34/0x70 [ 254.643707] ? __switch_to_asm+0x40/0x70 [ 254.647764] ? __switch_to_asm+0x34/0x70 [ 254.651843] ? __switch_to_asm+0x40/0x70 [ 254.655903] ? __switch_to_asm+0x34/0x70 [ 254.659961] ? __switch_to_asm+0x34/0x70 [ 254.664019] ? __switch_to_asm+0x40/0x70 [ 254.668075] ? __switch_to_asm+0x34/0x70 [ 254.672144] bpf_clone_redirect+0xb9/0x490 [ 254.676381] ? __schedule+0x874/0x1ed0 [ 254.680270] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 254.685292] ? __sched_text_start+0x8/0x8 [ 254.689447] ? retint_kernel+0x2d/0x2d [ 254.693338] ? retint_kernel+0x2d/0x2d [ 254.697230] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.702157] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.706914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.711669] ? trace_hardirqs_off+0x310/0x310 [ 254.716172] ? lock_acquire+0x1ed/0x520 [ 254.720153] ? bpf_test_run+0x32e/0x5a0 [ 254.724128] ? lock_release+0x970/0x970 [ 254.728128] ? preempt_schedule+0x4d/0x60 [ 254.732280] ? preempt_schedule_common+0x1f/0xd0 [ 254.737036] ? preempt_schedule+0x4d/0x60 [ 254.741182] ? ___preempt_schedule+0x16/0x18 [ 254.745592] ? bpf_test_run+0x1c0/0x5a0 [ 254.749571] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.753982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.759516] ? bpf_test_init.isra.9+0x70/0x100 [ 254.764100] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.768858] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.773700] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.779232] ? fput+0x130/0x1a0 [ 254.782511] ? __bpf_prog_get+0x9b/0x290 [ 254.786569] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.791407] ? bpf_prog_test_run+0x130/0x1a0 [ 254.795824] ? __x64_sys_bpf+0x3d8/0x510 [ 254.799891] ? bpf_prog_get+0x20/0x20 [ 254.803703] ? do_syscall_64+0x1b9/0x820 [ 254.807764] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.813132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.818062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.822902] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.827945] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.832966] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.837988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.842852] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.848225] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 254.848278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.854985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.854989] Call Trace: [ 254.855010] dump_stack+0x1c4/0x2b4 [ 254.855029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.861583] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.870883] warn_alloc.cold.119+0xb7/0x1bd [ 254.873441] syz-executor0 cpuset= [ 254.877066] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.882236] syz0 [ 254.892726] ? lock_downgrade+0x900/0x900 [ 254.897028] mems_allowed=0 [ 254.900480] ? trace_hardirqs_off+0xb8/0x310 [ 254.918731] ? trace_hardirqs_off+0xb8/0x310 [ 254.923149] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.928011] ? warn_alloc+0x120/0x120 [ 254.931831] ? warn_alloc+0x120/0x120 [ 254.935659] ? warn_alloc+0x120/0x120 [ 254.939459] ? mark_held_locks+0x130/0x130 [ 254.943697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.949246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.954793] ? should_fail+0x22d/0xd01 [ 254.958704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.963804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.969358] ? should_fail+0x22d/0xd01 [ 254.973246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.978346] ? should_fail+0x22d/0xd01 [ 254.982237] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.987341] ? mark_held_locks+0x130/0x130 [ 254.991580] ? mark_held_locks+0x130/0x130 [ 254.995825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.001379] ? trace_hardirqs_off+0xb8/0x310 [ 255.005797] ? kasan_check_read+0x11/0x20 [ 255.009969] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.014394] ? trace_hardirqs_on+0x310/0x310 [ 255.018801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.024368] ? wq_watchdog_touch+0x9c/0xfe [ 255.028611] ? io_serial_in+0x11/0x90 [ 255.032435] ? retint_kernel+0x2d/0x2d [ 255.036324] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.041254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.046007] ? trace_hardirqs_off+0x310/0x310 [ 255.050500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.055608] __alloc_pages_nodemask+0xa80/0xde0 [ 255.060274] ? should_fail+0x22d/0xd01 [ 255.064162] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.069195] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.073864] ? lock_downgrade+0x900/0x900 [ 255.078018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.083554] cache_grow_begin+0x91/0x8c0 [ 255.087637] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.092053] fallback_alloc+0x203/0x2e0 [ 255.096030] ____cache_alloc_node+0x1c7/0x1e0 [ 255.100553] kmem_cache_alloc_node+0xe3/0x730 [ 255.105058] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.109300] __alloc_skb+0x119/0x770 [ 255.113019] ? skb_scrub_packet+0x490/0x490 [ 255.117339] ? lock_downgrade+0x900/0x900 [ 255.121491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.127030] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.132483] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.137939] ? addrconf_rs_timer+0x690/0x690 [ 255.142354] ndisc_alloc_skb+0x144/0x340 [ 255.146423] ndisc_send_rs+0x331/0x6e0 [ 255.150315] addrconf_rs_timer+0x314/0x690 [ 255.154550] ? lock_release+0x970/0x970 [ 255.158525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.162767] call_timer_fn+0x272/0x920 [ 255.166657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.170895] ? process_timeout+0x40/0x40 [ 255.174953] ? kasan_check_read+0x11/0x20 [ 255.179103] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.183509] ? trace_hardirqs_on+0x310/0x310 [ 255.187924] ? __run_timers+0x7da/0xc70 [ 255.191905] ? lock_downgrade+0x900/0x900 [ 255.196052] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.201163] ? trace_hardirqs_on+0xbd/0x310 [ 255.205493] ? kasan_check_read+0x11/0x20 [ 255.209641] ? __run_timers+0x7da/0xc70 [ 255.213619] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.219069] ? kasan_check_write+0x14/0x20 [ 255.223307] ? do_raw_spin_lock+0xc1/0x200 [ 255.227551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.231796] __run_timers+0x7e5/0xc70 [ 255.235648] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.241011] ? lock_downgrade+0x900/0x900 [ 255.245155] ? finish_task_switch+0x1b5/0x900 [ 255.249669] ? trace_hardirqs_on+0xbd/0x310 [ 255.253986] ? kasan_check_read+0x11/0x20 [ 255.258133] ? finish_task_switch+0x1f5/0x900 [ 255.262629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.268080] ? compat_start_thread+0x80/0x80 [ 255.272497] ? pvclock_read_flags+0x160/0x160 [ 255.276989] ? __switch_to_asm+0x34/0x70 [ 255.281047] ? __switch_to_asm+0x34/0x70 [ 255.285103] ? __switch_to_asm+0x40/0x70 [ 255.289162] ? __switch_to_asm+0x40/0x70 [ 255.293217] ? __switch_to_asm+0x34/0x70 [ 255.297278] ? __switch_to_asm+0x40/0x70 [ 255.301341] ? trace_hardirqs_on+0xbd/0x310 [ 255.305664] ? kvm_sched_clock_read+0x9/0x20 [ 255.310075] ? run_ksoftirqd+0x94/0x100 [ 255.314055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.319592] ? check_preemption_disabled+0x48/0x200 [ 255.324609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.330167] run_timer_softirq+0x52/0xb0 [ 255.334229] ? __this_cpu_preempt_check+0x1c/0x1f [ 255.339071] __do_softirq+0x30b/0xad8 [ 255.342886] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.347995] ? schedule+0x108/0x460 [ 255.351625] ? trace_hardirqs_off+0xb8/0x310 [ 255.356032] ? smpboot_thread_fn+0x68b/0xa00 [ 255.360439] ? trace_hardirqs_on+0x310/0x310 [ 255.364859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.370401] ? check_preemption_disabled+0x48/0x200 [ 255.375419] ? takeover_tasklets+0xa90/0xa90 [ 255.379855] run_ksoftirqd+0x94/0x100 [ 255.383657] smpboot_thread_fn+0x68b/0xa00 [ 255.387892] ? sort_range+0x30/0x30 [ 255.391521] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.396622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.402680] ? __kthread_parkme+0xfb/0x1a0 [ 255.406918] kthread+0x35a/0x420 [ 255.410309] ? sort_range+0x30/0x30 [ 255.413933] ? kthread_bind+0x40/0x40 [ 255.417737] ret_from_fork+0x3a/0x50 [ 255.421460] warn_alloc_show_mem: 1 callbacks suppressed [ 255.421473] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 255.421474] Mem-Info: [ 255.421504] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 255.421504] active_file:16 inactive_file:13 isolated_file:0 [ 255.421504] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.421504] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 255.421504] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 255.421504] free:13630 free_pcp:242 free_cma:0 [ 255.426851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.434042] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.436439] Call Trace: [ 255.469313] Node 0 [ 255.478672] [ 255.506206] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.508767] dump_stack+0x1c4/0x2b4 [ 255.511141] lowmem_reserve[]: 0 [ 255.513306] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.538793] 2819 6323 [ 255.542447] warn_alloc.cold.119+0xb7/0x1bd [ 255.545697] 6323 [ 255.550882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.557670] ? lock_downgrade+0x900/0x900 [ 255.559709] Node 0 [ 255.564550] ? trace_hardirqs_off+0xb8/0x310 [ 255.568699] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 255.570911] ? trace_hardirqs_off+0xb8/0x310 [ 255.575308] lowmem_reserve[]: [ 255.602338] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.606730] 0 [ 255.609856] ? warn_alloc+0x120/0x120 [ 255.614662] 0 [ 255.616462] ? trace_hardirqs_on+0x310/0x310 [ 255.620239] 3503 [ 255.622042] ? warn_alloc+0x120/0x120 [ 255.626425] 3503 [ 255.628504] ? warn_alloc+0x120/0x120 [ 255.634359] ? ktime_get+0x2e1/0x440 [ 255.638136] Node 0 [ 255.641843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.641875] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 255.641882] lowmem_reserve[]: [ 255.644117] ? check_preemption_disabled+0x48/0x200 [ 255.649622] 0 0 [ 255.677913] ? kasan_check_read+0x11/0x20 [ 255.680998] 0 [ 255.686011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.687968] 0 [ 255.692112] ? should_fail+0x22d/0xd01 [ 255.699421] ? rcu_bh_qs+0xc0/0xc0 [ 255.701199] Node 0 [ 255.705083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.708598] DMA: [ 255.710851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.715936] 1*4kB [ 255.718001] ? should_fail+0x22d/0xd01 [ 255.723512] (U) [ 255.725657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.729524] 0*8kB [ 255.731497] ? should_fail+0x22d/0xd01 [ 255.736581] 0*16kB [ 255.738728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.742591] 1*32kB [ 255.744852] ? mark_held_locks+0x130/0x130 [ 255.749934] (U) [ 255.752172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.756380] 2*64kB [ 255.758362] ? mark_held_locks+0x130/0x130 [ 255.763883] (U) [ 255.766115] ? rcu_irq_exit+0xce/0x100 [ 255.766136] ? irq_exit+0xbd/0x1c0 [ 255.770353] 1*128kB [ 255.772338] ? mark_held_locks+0x130/0x130 [ 255.776203] (U) [ 255.779741] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.782039] 1*256kB [ 255.786269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.788222] (U) [ 255.794102] ? ret_from_intr+0xb/0x1e [ 255.796418] 0*512kB [ 255.801952] ? retint_kernel+0x2d/0x2d [ 255.803911] 1*1024kB [ 255.807708] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.810018] (U) [ 255.813909] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.816296] 1*2048kB [ 255.821227] ? trace_hardirqs_off+0x310/0x310 [ 255.823185] (M) [ 255.827937] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.830330] 3*4096kB [ 255.834831] __alloc_pages_nodemask+0xa80/0xde0 [ 255.836784] (M) [ 255.841891] ? should_fail+0x22d/0xd01 [ 255.844286] = 15908kB [ 255.848952] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.850909] Node 0 [ 255.854825] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.857208] DMA32: [ 255.862219] ? lock_downgrade+0x900/0x900 [ 255.864435] 4*4kB [ 255.869098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.871313] (M) [ 255.875465] cache_grow_begin+0x91/0x8c0 [ 255.877607] 0*8kB [ 255.883138] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.885091] 2*16kB [ 255.889145] fallback_alloc+0x203/0x2e0 [ 255.891275] (M) [ 255.895679] ____cache_alloc_node+0x1c7/0x1e0 [ 255.897898] 2*32kB [ 255.901866] kmem_cache_alloc_node+0xe3/0x730 [ 255.903827] (M) [ 255.908351] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.910563] 5*64kB [ 255.915055] __alloc_skb+0x119/0x770 [ 255.917006] (UM) [ 255.921235] ? skb_scrub_packet+0x490/0x490 [ 255.923454] 3*128kB [ 255.927160] ? lock_downgrade+0x900/0x900 [ 255.929200] (M) [ 255.933519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.935828] 4*256kB [ 255.939969] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.941919] (UM) [ 255.947451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.949759] 3*512kB [ 255.955206] ? addrconf_rs_timer+0x690/0x690 [ 255.957242] (M) [ 255.962690] ndisc_alloc_skb+0x144/0x340 [ 255.964992] 3*1024kB [ 255.969399] ndisc_send_rs+0x331/0x6e0 [ 255.971355] (UM) [ 255.975425] addrconf_rs_timer+0x314/0x690 [ 255.977824] 1*2048kB [ 255.981702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.983743] (M) [ 255.987979] call_timer_fn+0x272/0x920 [ 255.990377] 4*4096kB [ 255.994607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.996558] (M) [ 256.000444] ? process_timeout+0x40/0x40 [ 256.002844] = 24880kB [ 256.007072] ? trace_hardirqs_off+0xb8/0x310 [ 256.009027] Node 0 [ 256.013078] ? kasan_check_read+0x11/0x20 [ 256.013097] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.015488] Normal: [ 256.019894] ? trace_hardirqs_on+0x310/0x310 [ 256.022144] 719*4kB [ 256.026287] ? __run_timers+0x7da/0xc70 [ 256.030674] (ME) [ 256.032995] ? lock_downgrade+0x900/0x900 [ 256.037381] 385*8kB [ 256.039702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.043651] (UME) [ 256.045713] ? trace_hardirqs_on+0xbd/0x310 [ 256.049844] 182*16kB [ 256.052164] ? kasan_check_read+0x11/0x20 [ 256.057244] (ME) [ 256.059390] ? __run_timers+0x7da/0xc70 [ 256.063687] 99*32kB [ 256.066094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.070215] (UME) [ 256.072291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.076243] 27*64kB [ 256.078564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.083981] (UM) 0*128kB [ 256.086143] __run_timers+0x7e5/0xc70 [ 256.091656] 0*256kB [ 256.093987] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.098206] 0*512kB [ 256.100965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.104739] 0*1024kB [ 256.107056] ? rcu_bh_qs+0xc0/0xc0 [ 256.112394] 0*2048kB [ 256.114718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.119970] 0*4096kB [ 256.122377] ? check_preemption_disabled+0x48/0x200 [ 256.125890] = 13764kB [ 256.128294] ? rcu_nmi_exit+0xdb/0x280 [ 256.133825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.136217] ? ret_from_intr+0xb/0x1e [ 256.141230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.141239] 148 total pagecache pages [ 256.143651] ? retint_kernel+0x2d/0x2d [ 256.147516] 0 pages in swap cache [ 256.156351] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.160142] Swap cache stats: add 0, delete 0, find 0/0 [ 256.168799] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.172588] Free swap = 0kB [ 256.176472] ? trace_hardirqs_off+0x310/0x310 [ 256.179902] Total swap = 0kB [ 256.184841] ? check_preemption_disabled+0x48/0x200 [ 256.190178] 1965979 pages RAM [ 256.194938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.197937] 0 pages HighMem/MovableOnly [ 256.202425] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.205439] 342307 pages reserved [ 256.205448] 0 pages cma reserved [ 256.210476] ? retint_kernel+0x2d/0x2d [ 256.213615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.219088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.219105] ? check_preemption_disabled+0x48/0x200 [ 256.219122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.223130] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.227923] run_timer_softirq+0x52/0xb0 [ 256.231355] ksoftirqd/0 cpuset= [ 256.234722] ? __this_cpu_preempt_check+0x1c/0x1f [ 256.238580] / [ 256.245072] __do_softirq+0x30b/0xad8 [ 256.250589] mems_allowed=0 [ 256.255605] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.297037] ? pvclock_read_flags+0x160/0x160 [ 256.301537] ? lapic_next_event+0x5a/0x90 [ 256.305688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.311221] ? clockevents_program_event+0x140/0x370 [ 256.316341] ? kvm_clock_read+0x18/0x30 [ 256.320326] ? kvm_sched_clock_read+0x9/0x20 [ 256.324738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.330274] ? check_preemption_disabled+0x48/0x200 [ 256.335299] irq_exit+0x17f/0x1c0 [ 256.338759] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.343603] ? smp_reschedule_interrupt+0x109/0x650 [ 256.348622] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.354503] ? interrupt_entry+0xb5/0xf0 [ 256.358563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.363580] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.368603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.373444] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.378473] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.383486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.389022] ? check_preemption_disabled+0x48/0x200 [ 256.394035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.399575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.404425] apic_timer_interrupt+0xf/0x20 [ 256.408651] [ 256.410926] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.415854] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 256.434752] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.442457] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 256.449725] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 256.457017] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 256.464288] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 256.471557] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 256.478849] ? trace_hardirqs_on+0xb4/0x310 [ 256.483187] skb_clone+0x1bb/0x500 [ 256.486727] ? finish_task_switch+0x2f5/0x900 [ 256.491221] ? skb_split+0x11e0/0x11e0 [ 256.495112] ? preempt_notifier_register+0x200/0x200 [ 256.500212] ? __switch_to_asm+0x34/0x70 [ 256.504292] ? __switch_to_asm+0x34/0x70 [ 256.508360] ? __switch_to_asm+0x40/0x70 [ 256.512423] ? __switch_to_asm+0x34/0x70 [ 256.516478] ? __switch_to_asm+0x40/0x70 [ 256.520534] ? __switch_to_asm+0x34/0x70 [ 256.524591] ? __switch_to_asm+0x40/0x70 [ 256.528649] ? __switch_to_asm+0x34/0x70 [ 256.532707] ? __switch_to_asm+0x34/0x70 [ 256.536766] ? __switch_to_asm+0x40/0x70 [ 256.540832] ? __switch_to_asm+0x34/0x70 [ 256.544898] bpf_clone_redirect+0xb9/0x490 [ 256.549134] ? __schedule+0x874/0x1ed0 [ 256.553023] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 256.558040] ? __sched_text_start+0x8/0x8 [ 256.562189] ? retint_kernel+0x2d/0x2d [ 256.566078] ? retint_kernel+0x2d/0x2d [ 256.569965] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.574892] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.579644] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.584400] ? trace_hardirqs_off+0x310/0x310 [ 256.588899] ? lock_acquire+0x1ed/0x520 [ 256.592871] ? bpf_test_run+0x32e/0x5a0 [ 256.596851] ? lock_release+0x970/0x970 [ 256.600831] ? preempt_schedule+0x4d/0x60 [ 256.604982] ? preempt_schedule_common+0x1f/0xd0 [ 256.609764] ? preempt_schedule+0x4d/0x60 [ 256.613912] ? ___preempt_schedule+0x16/0x18 [ 256.618331] ? bpf_test_run+0x1c0/0x5a0 [ 256.622311] ? netlink_diag_dump+0x2a0/0x2a0 [ 256.626725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.632258] ? bpf_test_init.isra.9+0x70/0x100 [ 256.636843] ? bpf_prog_test_run_skb+0x634/0xb40 [ 256.641604] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.646443] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.651977] ? fput+0x130/0x1a0 [ 256.655255] ? __bpf_prog_get+0x9b/0x290 [ 256.659324] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.664194] ? bpf_prog_test_run+0x130/0x1a0 [ 256.668621] ? __x64_sys_bpf+0x3d8/0x510 [ 256.672696] ? bpf_prog_get+0x20/0x20 [ 256.676508] ? do_syscall_64+0x1b9/0x820 [ 256.680568] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.685935] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.690862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.695705] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.700726] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.705746] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.710763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.715610] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.720987] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 256.721007] rcu: INFO: rcu_preempt self-detected stall on CPU [ 256.727752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.733628] Call Trace: [ 256.742987] rcu: 1-...!: (130 ticks this GP) idle=b9a/1/0x4000000000000004 softirq=10138/10138 fqs=0 [ 256.745560] dump_stack+0x1c4/0x2b4 [ 256.754987] rcu: (t=10632 jiffies g=11121 q=91) [ 256.758667] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.758701] warn_alloc.cold.119+0xb7/0x1bd [ 256.763540] rcu: rcu_preempt kthread starved for 10632 jiffies! g11121 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 256.768712] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.773007] rcu: RCU grace-period kthread stack dump: [ 256.783498] ? lock_downgrade+0x900/0x900 [ 256.788340] rcu_preempt R [ 256.793527] ? trace_hardirqs_off+0xb8/0x310 [ 256.797649] running task [ 256.800754] ? trace_hardirqs_off+0xb8/0x310 [ 256.805147] 23064 10 2 0x80000000 [ 256.808342] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.812725] Call Trace: [ 256.816881] ? warn_alloc+0x120/0x120 [ 256.821699] __schedule+0x86c/0x1ed0 [ 256.824281] ? kasan_check_write+0x14/0x20 [ 256.828071] ? __sched_text_start+0x8/0x8 [ 256.831767] ? warn_alloc+0x120/0x120 [ 256.835986] ? __mod_timer+0x6f6/0x1870 [ 256.840123] ? warn_alloc+0x120/0x120 [ 256.843909] ? add_timer_on+0x9f0/0x9f0 [ 256.847874] ? mark_held_locks+0x130/0x130 [ 256.851661] ? lock_downgrade+0x900/0x900 [ 256.855627] ? mark_held_locks+0x130/0x130 [ 256.859850] ? trace_hardirqs_on+0xbd/0x310 [ 256.863984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.868213] ? kasan_check_read+0x11/0x20 [ 256.872525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.878049] ? prepare_to_swait_event+0x25a/0x800 [ 256.882182] ? should_fail+0x22d/0xd01 [ 256.887703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.892532] ? put_dec+0x3b/0xf0 [ 256.896408] schedule+0xfe/0x460 [ 256.901855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.905205] ? __schedule+0x1ed0/0x1ed0 [ 256.908556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.913645] ? prepare_to_swait_event+0x25a/0x800 [ 256.917605] ? should_fail+0x22d/0xd01 [ 256.923130] ? __init_swait_queue_head+0x150/0x150 [ 256.927960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.931842] ? __lockdep_init_map+0x105/0x590 [ 256.936756] ? should_fail+0x22d/0xd01 [ 256.941850] ? lockdep_init_map+0x9/0x10 [ 256.946342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.950217] schedule_timeout+0x140/0x260 [ 256.954269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.959355] ? usleep_range+0x1a0/0x1a0 [ 256.963490] ? mark_held_locks+0x130/0x130 [ 256.969027] ? __next_timer_interrupt+0x1a0/0x1a0 [ 256.972989] ? mark_held_locks+0x130/0x130 [ 256.977213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.982043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.986268] rcu_gp_kthread+0x9d9/0x2310 [ 256.991812] ? mark_held_locks+0x130/0x130 [ 256.997357] ? rcu_gp_init+0x1830/0x1830 [ 257.001396] ? trace_hardirqs_on+0x310/0x310 [ 257.005617] ? update_curr+0x344/0xbe0 [ 257.009673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.014066] ? graph_lock+0x170/0x170 [ 257.017941] ? wq_watchdog_touch+0x9c/0xfe [ 257.023462] ? __account_cfs_rq_runtime+0x790/0x790 [ 257.027252] ? io_serial_in+0x11/0x90 [ 257.031472] ? __lock_acquire+0x7ec/0x4ec0 [ 257.036477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.040266] ? graph_lock+0x170/0x170 [ 257.044484] ? mark_held_locks+0x130/0x130 [ 257.050008] ? mark_held_locks+0x130/0x130 [ 257.053799] __alloc_pages_nodemask+0xa80/0xde0 [ 257.058029] ? __lock_is_held+0xb5/0x140 [ 257.062249] ? should_fail+0x22d/0xd01 [ 257.066905] ? __account_cfs_rq_runtime+0x790/0x790 [ 257.070955] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.074840] ? set_next_entity+0x30c/0xc40 [ 257.079862] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.084857] ? mark_held_locks+0x130/0x130 [ 257.089080] ? lock_downgrade+0x900/0x900 [ 257.093737] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.097959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.102094] ? select_task_rq_fair+0x34f0/0x34f0 [ 257.107096] cache_grow_begin+0x91/0x8c0 [ 257.112622] ? __enqueue_entity+0x10d/0x1f0 [ 257.117372] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.121419] ? graph_lock+0x170/0x170 [ 257.125729] fallback_alloc+0x203/0x2e0 [ 257.130126] ? register_lock_class+0xe1/0x29b0 [ 257.133913] ____cache_alloc_node+0x1c7/0x1e0 [ 257.137871] ? graph_lock+0x170/0x170 [ 257.142440] kmem_cache_alloc_node+0xe3/0x730 [ 257.146924] ? __update_load_avg_se+0x310/0xb90 [ 257.150732] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.155225] ? register_lock_class+0xe0/0x29b0 [ 257.159882] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 257.164275] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.168844] __alloc_skb+0x119/0x770 [ 257.173412] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.177892] ? skb_scrub_packet+0x490/0x490 [ 257.181596] ? lockdep_hardirqs_on+0x421/0x5c0 [ 257.186078] ? atomic_notifier_call_chain+0xc6/0x190 [ 257.190390] ? trace_hardirqs_on+0xbd/0x310 [ 257.194957] ? lock_downgrade+0x900/0x900 [ 257.200048] ? kasan_check_read+0x11/0x20 [ 257.204362] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.208494] ? mark_held_locks+0x130/0x130 [ 257.212626] ? lock_release+0x970/0x970 [ 257.218410] ? alloc_chunk+0xc1/0x420 [ 257.222654] ? find_next_bit+0x104/0x130 [ 257.226617] ? kasan_check_write+0x14/0x20 [ 257.230425] ? do_raw_write_trylock+0x1c0/0x1c0 [ 257.234473] ? finish_task_switch+0x2f5/0x900 [ 257.238699] __neigh_notify+0x8c/0x160 [ 257.243358] ? __switch_to_asm+0x40/0x70 [ 257.247864] ? __neigh_event_send+0x1390/0x1390 [ 257.251754] ? preempt_notifier_register+0x200/0x200 [ 257.255801] neigh_timer_handler+0x6cb/0xdf0 [ 257.260465] ? __switch_to_asm+0x34/0x70 [ 257.265555] ? neigh_invalidate+0x550/0x550 [ 257.269951] ? __switch_to_asm+0x34/0x70 [ 257.274002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.278306] ? __switch_to_asm+0x40/0x70 [ 257.282357] call_timer_fn+0x272/0x920 [ 257.286574] ? __switch_to_asm+0x40/0x70 [ 257.290625] ? neigh_invalidate+0x550/0x550 [ 257.294496] ? __switch_to_asm+0x34/0x70 [ 257.298543] ? process_timeout+0x40/0x40 [ 257.302849] ? __switch_to_asm+0x40/0x70 [ 257.306896] ? kasan_check_read+0x11/0x20 [ 257.310948] ? __switch_to_asm+0x34/0x70 [ 257.314997] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.319130] ? __switch_to_asm+0x34/0x70 [ 257.323177] ? trace_hardirqs_on+0x310/0x310 [ 257.327573] ? __switch_to_asm+0x40/0x70 [ 257.331626] ? __run_timers+0x7da/0xc70 [ 257.336024] ? __switch_to_asm+0x40/0x70 [ 257.340080] ? lock_downgrade+0x900/0x900 [ 257.344040] ? __switch_to_asm+0x34/0x70 [ 257.348089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.352225] ? __switch_to_asm+0x40/0x70 [ 257.356290] ? trace_hardirqs_on+0xbd/0x310 [ 257.361388] ? __schedule+0x874/0x1ed0 [ 257.365434] ? kasan_check_read+0x11/0x20 [ 257.369745] ? __switch_to_asm+0x40/0x70 [ 257.373621] ? __run_timers+0x7da/0xc70 [ 257.377754] ? __switch_to_asm+0x40/0x70 [ 257.381813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.385776] ? graph_lock+0x170/0x170 [ 257.389837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.395270] ? __sched_text_start+0x8/0x8 [ 257.399057] ? neigh_invalidate+0x550/0x550 [ 257.405078] ? find_held_lock+0x36/0x1c0 [ 257.409236] __run_timers+0x7e5/0xc70 [ 257.413552] ? __kthread_parkme+0xce/0x1a0 [ 257.417614] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.421400] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 257.425619] ? lock_downgrade+0x900/0x900 [ 257.430986] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 257.436075] ? finish_task_switch+0x1b5/0x900 [ 257.440220] ? lockdep_hardirqs_on+0x421/0x5c0 [ 257.445312] ? trace_hardirqs_on+0xbd/0x310 [ 257.449847] ? trace_hardirqs_on+0xbd/0x310 [ 257.454435] ? kasan_check_read+0x11/0x20 [ 257.458739] ? kasan_check_read+0x11/0x20 [ 257.463051] ? finish_task_switch+0x1f5/0x900 [ 257.467187] ? __kthread_parkme+0xce/0x1a0 [ 257.471367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.475862] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.480084] ? compat_start_thread+0x80/0x80 [ 257.485527] ? kasan_check_write+0x14/0x20 [ 257.490976] ? pvclock_read_flags+0x160/0x160 [ 257.495369] ? do_raw_spin_lock+0xc1/0x200 [ 257.499593] ? __switch_to_asm+0x34/0x70 [ 257.504079] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.508319] ? __switch_to_asm+0x34/0x70 [ 257.512882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.517978] ? __switch_to_asm+0x40/0x70 [ 257.522027] ? __kthread_parkme+0xfb/0x1a0 [ 257.527548] ? __switch_to_asm+0x40/0x70 [ 257.531597] kthread+0x35a/0x420 [ 257.535831] ? __switch_to_asm+0x34/0x70 [ 257.539903] ? rcu_gp_init+0x1830/0x1830 [ 257.543256] ? __switch_to_asm+0x40/0x70 [ 257.547308] ? kthread_bind+0x40/0x40 [ 257.551362] ? trace_hardirqs_on+0xbd/0x310 [ 257.555413] ret_from_fork+0x3a/0x50 [ 257.559202] ? kvm_sched_clock_read+0x9/0x20 [ 257.563520] Sending NMI from CPU 1 to CPUs 0: [ 257.567223] ? run_ksoftirqd+0x94/0x100 [ 257.574617] NMI backtrace for cpu 0 [ 257.574624] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 257.574632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.574636] RIP: 0010:write_comp_data+0x11/0x70 [ 257.574649] Code: 00 e9 6f fc ff ff e8 9e f7 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 65 4c 8b 04 25 40 ee 01 00 65 8b 05 af 38 83 7e 00 01 1f 00 48 89 e5 75 51 41 8b 80 d0 12 00 00 83 f8 03 75 45 [ 257.574653] RSP: 0000:ffff8801d9aae220 EFLAGS: 00000046 [ 257.574662] RAX: 0000000000000102 RBX: 0000000000000025 RCX: ffffffff87ac1b60 [ 257.574668] RDX: 0000000000000025 RSI: 0000000000000000 RDI: 0000000000000001 [ 257.574673] RBP: ffff8801d9aae230 R08: ffff8801d9aa0240 R09: fffffbfff15d36e4 [ 257.574679] R10: fffffbfff15d36e4 R11: ffffffff8ae9b720 R12: ffffffff880bdea1 [ 257.574685] R13: ffff8801d9aae360 R14: ffff8801d9aae2c0 R15: ffffffff880bdea1 [ 257.574691] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 257.574696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.574701] CR2: 00007f940230de16 CR3: 00000001bd019000 CR4: 00000000001406f0 [ 257.574707] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.574713] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 257.574716] Call Trace: [ 257.574721] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.574724] format_decode+0x110/0xaf0 [ 257.574728] ? set_precision+0xe0/0xe0 [ 257.574732] ? mark_held_locks+0x130/0x130 [ 257.574736] vsnprintf+0x185/0x1b60 [ 257.574739] ? pointer+0x990/0x990 [ 257.574743] sprintf+0xb0/0xe0 [ 257.574746] ? scnprintf+0x130/0x130 [ 257.574750] print_prefix+0x26a/0x3f0 [ 257.574754] msg_print_text+0xcc/0x1d0 [ 257.574757] console_unlock+0x4d6/0x1160 [ 257.574761] ? devkmsg_read+0xbb0/0xbb0 [ 257.574765] ? lock_release+0x970/0x970 [ 257.574769] ? trace_hardirqs_off+0xb8/0x310 [ 257.574773] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 257.574777] ? trace_hardirqs_on+0x310/0x310 [ 257.574781] ? kasan_check_write+0x14/0x20 [ 257.574785] ? do_raw_spin_lock+0xc1/0x200 [ 257.574789] vprintk_emit+0x33d/0x930 [ 257.574792] ? wake_up_klogd+0x180/0x180 [ 257.574797] ? __sanitizer_cov_trace_cmp2+0x11/0x20 [ 257.574801] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 257.574813] ? is_bpf_text_address+0xac/0x170 [ 257.574818] ? lock_downgrade+0x900/0x900 [ 257.574821] vprintk_default+0x28/0x30 [ 257.574826] vprintk_func+0x7e/0x181 [ 257.574829] ? unwind_dump+0x190/0x190 [ 257.574833] printk+0xa7/0xcf [ 257.574837] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 257.574841] ? is_bpf_text_address+0xd3/0x170 [ 257.574845] ? run_ksoftirqd+0x94/0x100 [ 257.574849] show_trace_log_lvl+0x23a/0x28c [ 257.574853] ? run_ksoftirqd+0x94/0x100 [ 257.574857] ? run_timer_softirq+0x52/0xb0 [ 257.574861] show_stack+0x38/0x3a [ 257.574864] dump_stack+0x1c4/0x2b4 [ 257.574869] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.574873] warn_alloc.cold.119+0xb7/0x1bd [ 257.574877] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.574881] ? lock_downgrade+0x900/0x900 [ 257.574885] ? trace_hardirqs_off+0xb8/0x310 [ 257.574889] ? trace_hardirqs_off+0xb8/0x310 [ 257.574893] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.574897] ? warn_alloc+0x120/0x120 [ 257.574901] ? kasan_check_write+0x14/0x20 [ 257.574905] ? warn_alloc+0x120/0x120 [ 257.574909] ? warn_alloc+0x120/0x120 [ 257.574912] ? mark_held_locks+0x130/0x130 [ 257.574916] ? mark_held_locks+0x130/0x130 [ 257.574921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.574926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.574930] ? should_fail+0x22d/0xd01 [ 257.574933] ? put_dec+0x3b/0xf0 [ 257.574937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.574942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.574946] ? should_fail+0x22d/0xd01 [ 257.574950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.574954] ? should_fail+0x22d/0xd01 [ 257.574959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.574963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.574967] ? mark_held_locks+0x130/0x130 [ 257.574971] ? mark_held_locks+0x130/0x130 [ 257.574976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.574980] ? mark_held_locks+0x130/0x130 [ 257.574984] ? trace_hardirqs_on+0x310/0x310 [ 257.574989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.574993] ? wq_watchdog_touch+0x9c/0xfe [ 257.574996] ? io_serial_in+0x11/0x90 [ 257.575001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.575005] ? mark_held_locks+0x130/0x130 [ 257.575009] __alloc_pages_nodemask+0xa80/0xde0 [ 257.575013] ? should_fail+0x22d/0xd01 [ 257.575017] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.575021] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.575025] ? lock_downgrade+0x900/0x900 [ 257.575030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.575034] cache_grow_begin+0x91/0x8c0 [ 257.575038] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.575042] fallback_alloc+0x203/0x2e0 [ 257.575046] ____cache_alloc_node+0x1c7/0x1e0 [ 257.575050] kmem_cache_alloc_node+0xe3/0x730 [ 257.575054] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.575058] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 257.575062] __alloc_skb+0x119/0x770 [ 257.575066] ? skb_scrub_packet+0x490/0x490 [ 257.575070] ? atomic_notifier_call_chain+0xc6/0x190 [ 257.575074] ? lock_downgrade+0x900/0x900 [ 257.575079] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.575083] ? lock_release+0x970/0x970 [ 257.575087] ? find_next_bit+0x104/0x130 [ 257.575091] ? do_raw_write_trylock+0x1c0/0x1c0 [ 257.575095] __neigh_notify+0x8c/0x160 [ 257.575099] ? __neigh_event_send+0x1390/0x1390 [ 257.575102] neigh_timer_handler+0x6cb/0xdf0 [ 257.575106] ? neigh_invalidate+0x550/0x550 [ 257.575110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.575114] call_timer_fn+0x272/0x920 [ 257.575118] ? neigh_invalidate+0x550/0x550 [ 257.575122] ? process_timeout+0x40/0x40 [ 257.575126] ? kasan_check_read+0x11/0x20 [ 257.575130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.575134] ? trace_hardirqs_on+0x310/0x310 [ 257.575137] ? __run_timers+0x7da/0xc70 [ 257.575141] ? lock_downgrade+0x900/0x900 [ 257.575146] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.575150] ? trace_hardirqs_on+0xbd/0x310 [ 257.575153] ? kasan_check_read+0x11/0x20 [ 257.575157] ? __run_timers+0x7da/0xc70 [ 257.575162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.575167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.575171] ? neigh_invalidate+0x550/0x550 [ 257.575174] __run_timers+0x7e5/0xc70 [ 257.575179] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.575183] ? lock_downgrade+0x900/0x900 [ 257.575187] ? finish_task_switch+0x1b5/0x900 [ 257.575191] ? trace_hardirqs_on+0xbd/0x310 [ 257.575194] ? kasan_check_read+0x11/0x20 [ 257.575199] ? finish_task_switch+0x1f5/0x900 [ 257.575203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.575207] ? compat_start_thread+0x80/0x80 [ 257.575211] ? pvclock_read_flags+0x160/0x160 [ 257.575215] ? __switch_to_asm+0x34/0x70 [ 257.575219] ? __switch_to_asm+0x34/0x70 [ 257.575223] ? __switch_to_asm+0x40/0x70 [ 257.575227] ? __switch_to_asm+0x40/0x70 [ 257.575230] ? __switch_to_asm+0x34/0x70 [ 257.575234] ? __switch_to_asm+0x40/0x70 [ 257.575238] ? trace_hardirqs_on+0xbd/0x310 [ 257.575242] ? kvm_sched_clock_read+0x9/0x20 [ 257.575246] ? run_ksoftirqd+0x94/0x100 [ 257.575265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.575269] ? check_preemption_disabled+0x48/0x200 [ 257.575286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.575290] run_timer_softirq+0x52/0xb0 [ 257.575308] ? __this_cpu_preempt_check+0x1c/0x1f [ 257.575311] __do_softirq+0x30b/0xad8 [ 257.575315] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.575325] ? schedule+0x108/0x460 [ 257.575342] ? trace_hardirqs_off+0xb8/0x310 [ 257.575346] ? smpboot_thread_fn+0x68b/0xa00 [ 257.575350] ? trace_hardirqs_on+0x310/0x310 [ 257.575355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.575359] ? check_preemption_disabled+0x48/0x200 [ 257.575363] ? takeover_tasklets+0xa90/0xa90 [ 257.575367] run_ksoftirqd+0x94/0x100 [ 257.575371] smpboot_thread_fn+0x68b/0xa00 [ 257.575374] ? sort_range+0x30/0x30 [ 257.575379] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.575383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.575387] ? __kthread_parkme+0xfb/0x1a0 [ 257.575391] kthread+0x35a/0x420 [ 257.575394] ? sort_range+0x30/0x30 [ 257.575398] ? kthread_bind+0x40/0x40 [ 257.575402] ret_from_fork+0x3a/0x50 [ 257.575409] NMI backtrace for cpu 1 [ 257.578259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.385621] ? check_preemption_disabled+0x48/0x200 [ 258.390641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.396180] run_timer_softirq+0x52/0xb0 [ 258.400260] ? __this_cpu_preempt_check+0x1c/0x1f [ 258.405118] __do_softirq+0x30b/0xad8 [ 258.408924] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.414045] ? schedule+0x108/0x460 [ 258.417859] ? trace_hardirqs_off+0xb8/0x310 [ 258.422263] ? smpboot_thread_fn+0x68b/0xa00 [ 258.426691] ? trace_hardirqs_on+0x310/0x310 [ 258.431103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.436644] ? check_preemption_disabled+0x48/0x200 [ 258.441662] ? takeover_tasklets+0xa90/0xa90 [ 258.446077] run_ksoftirqd+0x94/0x100 [ 258.449880] smpboot_thread_fn+0x68b/0xa00 [ 258.454119] ? sort_range+0x30/0x30 [ 258.457756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.462860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.468396] ? __kthread_parkme+0xfb/0x1a0 [ 258.472630] kthread+0x35a/0x420 [ 258.476017] ? sort_range+0x30/0x30 [ 258.479645] ? kthread_bind+0x40/0x40 [ 258.483447] ret_from_fork+0x3a/0x50 [ 258.487170] warn_alloc_show_mem: 1 callbacks suppressed [ 258.487183] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 258.487185] Mem-Info: [ 258.487214] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 258.487214] active_file:16 inactive_file:13 isolated_file:0 [ 258.487214] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.487214] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 258.487214] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 258.487214] free:13630 free_pcp:242 free_cma:0 [ 258.492565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.499771] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.502177] Call Trace: [ 258.535082] Node 0 [ 258.544430] [ 258.572043] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.574612] dump_stack+0x1c4/0x2b4 [ 258.576840] lowmem_reserve[]: [ 258.578994] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.604470] 0 [ 258.608098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.611170] 2819 6323 [ 258.616365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.618145] 6323 [ 258.623161] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 258.631187] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 258.633227] Node 0 [ 258.637893] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 258.643086] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 258.645298] arch_trigger_cpumask_backtrace+0x14/0x20 [ 258.650549] lowmem_reserve[]: [ 258.677525] rcu_dump_cpu_stacks+0x175/0x1c2 [ 258.682693] 0 [ 258.685801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.690196] 0 [ 258.691995] print_cpu_stall.cold.78+0x2d3/0x524 [ 258.696995] 3503 [ 258.698799] ? rcu_dynticks_snap+0x30/0x30 [ 258.703545] 3503 [ 258.705605] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.711883] ? rcu_test_sync_prims+0x30/0x30 [ 258.717658] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 258.722098] ? mark_held_locks+0x130/0x130 [ 258.722117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.750979] lowmem_reserve[]: 0 [ 258.755233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.760739] 0 0 [ 258.764030] ? check_preemption_disabled+0x48/0x200 [ 258.769551] 0 [ 258.771531] rcu_check_callbacks+0xfd9/0x1990 [ 258.778336] ? rcu_cpu_stall_reset+0x220/0x220 [ 258.782798] Node 0 [ 258.787381] ? lock_release+0x970/0x970 [ 258.787384] DMA: 1*4kB [ 258.789628] ? mark_held_locks+0x130/0x130 [ 258.793579] (U) [ 258.796164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.800390] 0*8kB [ 258.802395] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 258.807909] 0*16kB [ 258.810054] ? kvm_set_tsc_khz+0x540/0x540 [ 258.814614] 1*32kB [ 258.816850] ? warn_alloc.cold.119+0xd1/0x1bd [ 258.821059] (U) [ 258.823311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.827785] 2*64kB [ 258.829769] ? notifier_call_chain+0x2d4/0x380 [ 258.835293] (U) [ 258.837526] ? timekeeping_advance+0x3cc/0xc00 [ 258.842082] 1*128kB (U) [ 258.844066] ? lock_downgrade+0x900/0x900 [ 258.848626] 1*256kB [ 258.851292] ? lock_downgrade+0x900/0x900 [ 258.855417] (U) [ 258.857739] ? trace_hardirqs_off+0xb8/0x310 [ 258.861866] 0*512kB [ 258.863847] ? trace_hardirqs_off+0xb8/0x310 [ 258.868233] 1*1024kB [ 258.870552] ? memcpy+0x45/0x50 [ 258.874938] (U) [ 258.877351] ? trace_hardirqs_on+0x310/0x310 [ 258.880606] 1*2048kB [ 258.882581] ? check_preemption_disabled+0x48/0x200 [ 258.886963] (M) [ 258.889371] ? raise_softirq+0x199/0x420 [ 258.894372] 3*4096kB [ 258.896353] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 258.900392] (M) [ 258.902802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.907461] = 15908kB [ 258.907470] Node 0 [ 258.909447] ? check_preemption_disabled+0x48/0x200 [ 258.914959] DMA32: [ 258.917368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.919585] 4*4kB [ 258.924599] ? hrtimer_run_queues+0x9a/0x400 [ 258.926825] (M) [ 258.932367] ? run_local_timers+0x19b/0x230 [ 258.934495] 0*8kB [ 258.938895] ? timer_clear_idle+0x90/0x90 [ 258.940851] 2*16kB [ 258.945171] ? debug_smp_processor_id+0x1c/0x20 [ 258.947295] (M) [ 258.951446] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 258.953677] 2*32kB [ 258.958345] ? account_process_tick+0x282/0x350 [ 258.960303] (M) [ 258.966273] update_process_times+0x2d/0x70 [ 258.968490] 5*64kB [ 258.973154] tick_sched_handle+0x9f/0x180 [ 258.975107] (UM) [ 258.979428] tick_sched_timer+0x45/0x130 [ 258.981642] 3*128kB [ 258.985785] __hrtimer_run_queues+0x41c/0x10d0 [ 258.987840] (M) [ 258.991914] ? tick_sched_do_timer+0x1a0/0x1a0 [ 258.994215] 4*256kB [ 258.998879] ? hrtimer_start_range_ns+0xe00/0xe00 [ 259.000837] (UM) [ 259.005412] ? pvclock_read_flags+0x160/0x160 [ 259.007716] 3*512kB [ 259.012553] ? trace_hardirqs_on+0x310/0x310 [ 259.014592] (M) [ 259.019085] ? rcu_irq_exit+0xce/0x100 [ 259.021384] 3*1024kB [ 259.025787] ? kvm_clock_read+0x18/0x30 [ 259.027744] (UM) [ 259.031633] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.034020] 1*2048kB [ 259.037991] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 259.040038] (M) 4*4096kB [ 259.045062] ? do_timer+0x50/0x50 [ 259.047453] (M) [ 259.052824] ? trace_hardirqs_on+0x310/0x310 [ 259.055567] = 24880kB [ 259.059016] ? do_raw_spin_lock+0xc1/0x200 [ 259.060968] Node 0 [ 259.065396] hrtimer_interrupt+0x313/0x780 [ 259.067792] Normal: [ 259.072034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.074246] 719*4kB [ 259.078481] smp_apic_timer_interrupt+0x1a1/0x760 [ 259.080777] (ME) [ 259.086313] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.088614] 385*8kB [ 259.093451] ? interrupt_entry+0xb5/0xf0 [ 259.095492] (UME) [ 259.101372] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.103694] 182*16kB (ME) [ 259.107763] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.109890] 99*32kB [ 259.114906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.117727] (UME) [ 259.122391] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.124691] 27*64kB [ 259.129531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.131654] (UM) [ 259.136667] apic_timer_interrupt+0xf/0x20 [ 259.138969] 0*128kB [ 259.143813] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 259.145867] 0*256kB [ 259.150093] Code: 40 7e 0f 85 32 ff ff ff e8 a5 e0 3e ff e9 28 ff ff ff e8 fc 23 c3 ff 48 83 3d dc 54 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 259.152394] 0*512kB [ 259.157743] RSP: 0018:ffff8801daf07450 EFLAGS: 00000286 [ 259.160071] 0*1024kB [ 259.178965] ORIG_RAX: ffffffffffffff13 [ 259.181283] 0*2048kB [ 259.186637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184c1ba [ 259.189032] 0*4096kB [ 259.192996] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 259.195387] = 13764kB [ 259.202650] RBP: ffff8801daf074c0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 259.205053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.212309] R10: ffff8801daf06098 R11: ffffffff89408fa3 R12: ffff8801d9bf3800 [ 259.214708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.221964] R13: ffff8801d9bf3800 R14: 0000000000000000 R15: 0000000000000286 [ 259.230779] 148 total pagecache pages [ 259.238235] ? apic_timer_interrupt+0xa/0x20 [ 259.246783] 0 pages in swap cache [ 259.254060] ? trace_hardirqs_on+0x9a/0x310 [ 259.257845] Swap cache stats: add 0, delete 0, find 0/0 [ 259.262244] ? trace_hardirqs_on+0xb4/0x310 [ 259.265673] Free swap = 0kB [ 259.269994] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.275360] Total swap = 0kB [ 259.279681] __alloc_skb+0x119/0x770 [ 259.282675] 1965979 pages RAM [ 259.286901] ? skb_scrub_packet+0x490/0x490 [ 259.289900] 0 pages HighMem/MovableOnly [ 259.293611] ? lock_downgrade+0x900/0x900 [ 259.296701] 342307 pages reserved [ 259.301018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.304969] 0 pages cma reserved [ 259.309113] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.312568] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.131 msecs [ 259.318185] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.321615] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.326978] ? addrconf_rs_timer+0x690/0x690 [ 259.335458] ksoftirqd/0 cpuset= [ 259.340929] ndisc_alloc_skb+0x144/0x340 [ 259.351214] / [ 259.355625] ndisc_send_rs+0x331/0x6e0 [ 259.358901] mems_allowed=0 [ 259.362958] addrconf_rs_timer+0x314/0x690 [ 259.375687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.379932] call_timer_fn+0x272/0x920 [ 259.383826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.388064] ? process_timeout+0x40/0x40 [ 259.392126] ? trace_hardirqs_off+0xb8/0x310 [ 259.396537] ? kasan_check_read+0x11/0x20 [ 259.400683] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.405324] ? trace_hardirqs_on+0x310/0x310 [ 259.409735] ? __run_timers+0x7da/0xc70 [ 259.413707] ? lock_downgrade+0x900/0x900 [ 259.417858] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.422962] ? trace_hardirqs_on+0xbd/0x310 [ 259.427285] ? kasan_check_read+0x11/0x20 [ 259.431431] ? __run_timers+0x7da/0xc70 [ 259.435405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.440856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.446401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.450638] __run_timers+0x7e5/0xc70 [ 259.454449] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.459822] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.465102] ? rcu_bh_qs+0xc0/0xc0 [ 259.468644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.474189] ? check_preemption_disabled+0x48/0x200 [ 259.479213] ? rcu_nmi_exit+0xdb/0x280 [ 259.483104] ? ret_from_intr+0xb/0x1e [ 259.486904] ? retint_kernel+0x2d/0x2d [ 259.490790] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.495729] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.500483] ? trace_hardirqs_off+0x310/0x310 [ 259.504978] ? check_preemption_disabled+0x48/0x200 [ 259.510521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.516065] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.520832] ? retint_kernel+0x2d/0x2d [ 259.524722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.530278] ? check_preemption_disabled+0x48/0x200 [ 259.535338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.540881] run_timer_softirq+0x52/0xb0 [ 259.544959] ? __this_cpu_preempt_check+0x1c/0x1f [ 259.549826] __do_softirq+0x30b/0xad8 [ 259.553654] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.558763] ? pvclock_read_flags+0x160/0x160 [ 259.563256] ? lapic_next_event+0x5a/0x90 [ 259.567434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.572971] ? clockevents_program_event+0x140/0x370 [ 259.578077] ? kvm_clock_read+0x18/0x30 [ 259.582053] ? kvm_sched_clock_read+0x9/0x20 [ 259.586460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.591996] ? check_preemption_disabled+0x48/0x200 [ 259.597023] irq_exit+0x17f/0x1c0 [ 259.600477] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.605324] ? smp_reschedule_interrupt+0x109/0x650 [ 259.610344] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.616225] ? interrupt_entry+0xb5/0xf0 [ 259.620288] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.625348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.630368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.635214] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.640270] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.645286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.650835] ? check_preemption_disabled+0x48/0x200 [ 259.655856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.661400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.666247] apic_timer_interrupt+0xf/0x20 [ 259.670492] [ 259.672733] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 259.677662] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 259.696559] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 259.704269] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 259.711537] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 259.718812] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 259.726082] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 259.733349] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 259.740631] ? trace_hardirqs_on+0xb4/0x310 [ 259.744963] skb_clone+0x1bb/0x500 [ 259.748503] ? finish_task_switch+0x2f5/0x900 [ 259.752997] ? skb_split+0x11e0/0x11e0 [ 259.756882] ? preempt_notifier_register+0x200/0x200 [ 259.761984] ? __switch_to_asm+0x34/0x70 [ 259.766041] ? __switch_to_asm+0x34/0x70 [ 259.770124] ? __switch_to_asm+0x40/0x70 [ 259.774181] ? __switch_to_asm+0x34/0x70 [ 259.778252] ? __switch_to_asm+0x40/0x70 [ 259.782346] ? __switch_to_asm+0x34/0x70 [ 259.786412] ? __switch_to_asm+0x40/0x70 [ 259.790480] ? __switch_to_asm+0x34/0x70 [ 259.794536] ? __switch_to_asm+0x34/0x70 [ 259.798595] ? __switch_to_asm+0x40/0x70 [ 259.802654] ? __switch_to_asm+0x34/0x70 [ 259.806714] bpf_clone_redirect+0xb9/0x490 [ 259.810947] ? __schedule+0x874/0x1ed0 [ 259.814845] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 259.819894] ? __sched_text_start+0x8/0x8 [ 259.824045] ? retint_kernel+0x2d/0x2d [ 259.827932] ? retint_kernel+0x2d/0x2d [ 259.831830] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.836762] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.841517] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.846272] ? trace_hardirqs_off+0x310/0x310 [ 259.850776] ? lock_acquire+0x1ed/0x520 [ 259.854758] ? bpf_test_run+0x32e/0x5a0 [ 259.858735] ? lock_release+0x970/0x970 [ 259.862707] ? preempt_schedule+0x4d/0x60 [ 259.866863] ? preempt_schedule_common+0x1f/0xd0 [ 259.871625] ? preempt_schedule+0x4d/0x60 [ 259.875782] ? ___preempt_schedule+0x16/0x18 [ 259.880203] ? bpf_test_run+0x1c0/0x5a0 [ 259.884180] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.888591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.894125] ? bpf_test_init.isra.9+0x70/0x100 [ 259.898709] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.903470] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.908341] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.913878] ? fput+0x130/0x1a0 [ 259.917176] ? __bpf_prog_get+0x9b/0x290 [ 259.921252] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.926091] ? bpf_prog_test_run+0x130/0x1a0 [ 259.930498] ? __x64_sys_bpf+0x3d8/0x510 [ 259.934575] ? bpf_prog_get+0x20/0x20 [ 259.938388] ? do_syscall_64+0x1b9/0x820 [ 259.942453] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.947827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.952759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.957603] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.962621] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.967659] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.972676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.977519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.982898] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 259.982910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.989715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.999279] Call Trace: [ 259.999301] dump_stack+0x1c4/0x2b4 [ 259.999317] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.999342] warn_alloc.cold.119+0xb7/0x1bd [ 260.005880] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.008426] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.012034] syz-executor0 cpuset= [ 260.017225] ? lock_downgrade+0x900/0x900 [ 260.021524] syz0 [ 260.032008] ? trace_hardirqs_off+0xb8/0x310 [ 260.036837] mems_allowed=0 [ 260.040282] ? trace_hardirqs_off+0xb8/0x310 [ 260.058067] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.062929] ? warn_alloc+0x120/0x120 [ 260.066740] ? warn_alloc+0x120/0x120 [ 260.070544] ? warn_alloc+0x120/0x120 [ 260.074341] ? warn_alloc+0x120/0x120 [ 260.078142] ? mark_held_locks+0x130/0x130 [ 260.082380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.087916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.093454] ? should_fail+0x22d/0xd01 [ 260.097338] ? should_fail+0x22d/0xd01 [ 260.101230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.106335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.111871] ? should_fail+0x22d/0xd01 [ 260.115760] ? should_fail+0x22d/0xd01 [ 260.119646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.124744] ? should_fail+0x22d/0xd01 [ 260.128627] ? should_fail+0x22d/0xd01 [ 260.132517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.137646] ? mark_held_locks+0x130/0x130 [ 260.141882] ? mark_held_locks+0x130/0x130 [ 260.146117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.151655] ? mark_held_locks+0x130/0x130 [ 260.155890] ? trace_hardirqs_on+0x310/0x310 [ 260.160297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.165844] ? wq_watchdog_touch+0x9c/0xfe [ 260.170077] ? io_serial_in+0x11/0x90 [ 260.173877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.179418] ? mark_held_locks+0x130/0x130 [ 260.183662] __alloc_pages_nodemask+0xa80/0xde0 [ 260.188334] ? should_fail+0x22d/0xd01 [ 260.192225] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.197255] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.202295] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.206964] ? lock_downgrade+0x900/0x900 [ 260.211120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.216662] cache_grow_begin+0x91/0x8c0 [ 260.220722] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.225135] fallback_alloc+0x203/0x2e0 [ 260.229112] ____cache_alloc_node+0x1c7/0x1e0 [ 260.233609] kmem_cache_alloc_node+0xe3/0x730 [ 260.238104] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.242342] __alloc_skb+0x119/0x770 [ 260.246057] ? skb_scrub_packet+0x490/0x490 [ 260.250377] ? lock_downgrade+0x900/0x900 [ 260.254533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.260072] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.265525] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.270979] ? addrconf_rs_timer+0x690/0x690 [ 260.275395] ndisc_alloc_skb+0x144/0x340 [ 260.279460] ndisc_send_rs+0x331/0x6e0 [ 260.283351] addrconf_rs_timer+0x314/0x690 [ 260.287582] ? lock_release+0x970/0x970 [ 260.291554] ? neigh_invalidate+0x550/0x550 [ 260.295876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.300118] call_timer_fn+0x272/0x920 [ 260.304007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.308239] ? process_timeout+0x40/0x40 [ 260.312296] ? kasan_check_read+0x11/0x20 [ 260.316443] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.320854] ? trace_hardirqs_on+0x310/0x310 [ 260.325267] ? __run_timers+0x7da/0xc70 [ 260.329264] ? lock_downgrade+0x900/0x900 [ 260.333413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.338514] ? trace_hardirqs_on+0xbd/0x310 [ 260.342840] ? kasan_check_read+0x11/0x20 [ 260.346986] ? __run_timers+0x7da/0xc70 [ 260.350962] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.356409] ? kasan_check_write+0x14/0x20 [ 260.360643] ? do_raw_spin_lock+0xc1/0x200 [ 260.364882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.369115] __run_timers+0x7e5/0xc70 [ 260.372926] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.378301] ? lock_downgrade+0x900/0x900 [ 260.382467] ? finish_task_switch+0x1b5/0x900 [ 260.386976] ? trace_hardirqs_on+0xbd/0x310 [ 260.391296] ? kasan_check_read+0x11/0x20 [ 260.395443] ? finish_task_switch+0x1f5/0x900 [ 260.399937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.405384] ? compat_start_thread+0x80/0x80 [ 260.409815] ? pvclock_read_flags+0x160/0x160 [ 260.414318] ? __switch_to_asm+0x34/0x70 [ 260.418376] ? __switch_to_asm+0x34/0x70 [ 260.422431] ? __switch_to_asm+0x40/0x70 [ 260.426491] ? __switch_to_asm+0x40/0x70 [ 260.430553] ? __switch_to_asm+0x34/0x70 [ 260.434611] ? __switch_to_asm+0x40/0x70 [ 260.438696] ? trace_hardirqs_on+0xbd/0x310 [ 260.443014] ? kvm_sched_clock_read+0x9/0x20 [ 260.447423] ? run_ksoftirqd+0x94/0x100 [ 260.451397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.456938] ? check_preemption_disabled+0x48/0x200 [ 260.461956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.467496] run_timer_softirq+0x52/0xb0 [ 260.471560] ? __this_cpu_preempt_check+0x1c/0x1f [ 260.476400] __do_softirq+0x30b/0xad8 [ 260.480209] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.485317] ? schedule+0x108/0x460 [ 260.488953] ? trace_hardirqs_off+0xb8/0x310 [ 260.493363] ? smpboot_thread_fn+0x68b/0xa00 [ 260.497769] ? trace_hardirqs_on+0x310/0x310 [ 260.502178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.507715] ? check_preemption_disabled+0x48/0x200 [ 260.512736] ? takeover_tasklets+0xa90/0xa90 [ 260.517147] run_ksoftirqd+0x94/0x100 [ 260.520947] smpboot_thread_fn+0x68b/0xa00 [ 260.525180] ? sort_range+0x30/0x30 [ 260.528824] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.533933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.539487] ? __kthread_parkme+0xfb/0x1a0 [ 260.543729] kthread+0x35a/0x420 [ 260.547095] ? sort_range+0x30/0x30 [ 260.550720] ? kthread_bind+0x40/0x40 [ 260.554523] ret_from_fork+0x3a/0x50 [ 260.558239] Mem-Info: [ 260.558252] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 260.558277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.560689] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 260.560689] active_file:16 inactive_file:13 isolated_file:0 [ 260.560689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.560689] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 260.560689] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 260.560689] free:13630 free_pcp:242 free_cma:0 [ 260.567856] Call Trace: [ 260.577250] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.610105] [ 260.612685] Node 0 [ 260.640194] dump_stack+0x1c4/0x2b4 [ 260.642356] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.644569] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.648165] lowmem_reserve[]: 0 [ 260.673686] warn_alloc.cold.119+0xb7/0x1bd [ 260.678852] 2819 6323 [ 260.682139] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.686430] 6323 [ 260.688941] ? lock_downgrade+0x900/0x900 [ 260.693760] Node 0 [ 260.695828] ? trace_hardirqs_off+0xb8/0x310 [ 260.699983] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.702193] ? trace_hardirqs_off+0xb8/0x310 [ 260.706577] lowmem_reserve[]: [ 260.733570] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.737963] 0 [ 260.741086] ? warn_alloc+0x120/0x120 [ 260.745881] 0 [ 260.747681] ? warn_alloc+0x120/0x120 [ 260.751448] 3503 3503 [ 260.753262] ? warn_alloc+0x120/0x120 [ 260.759536] ? mark_held_locks+0x130/0x130 [ 260.763335] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 260.767599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.796472] lowmem_reserve[]: 0 [ 260.802020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.802023] 0 0 [ 260.805307] ? should_fail+0x22d/0xd01 [ 260.810833] 0 [ 260.812819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.818511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.823586] Node 0 DMA: [ 260.829121] ? should_fail+0x22d/0xd01 [ 260.829139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.831793] 1*4kB [ 260.835697] ? should_fail+0x22d/0xd01 [ 260.840774] (U) 0*8kB [ 260.842941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.846822] 0*16kB [ 260.849312] ? mark_held_locks+0x130/0x130 [ 260.854393] 1*32kB [ 260.856635] ? mark_held_locks+0x130/0x130 [ 260.860846] (U) [ 260.863085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.867309] 2*64kB [ 260.869331] ? trace_hardirqs_off+0xb8/0x310 [ 260.874840] (U) [ 260.877071] ? kasan_check_read+0x11/0x20 [ 260.881479] 1*128kB (U) [ 260.883474] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.887597] 1*256kB [ 260.890278] ? trace_hardirqs_on+0x310/0x310 [ 260.894660] (U) [ 260.896982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.901374] 0*512kB [ 260.903361] ? wq_watchdog_touch+0x9c/0xfe [ 260.908875] 1*1024kB [ 260.911197] ? io_serial_in+0x11/0x90 [ 260.915404] (U) [ 260.917821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.921615] 1*2048kB [ 260.923587] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.929183] (M) [ 260.931591] __alloc_pages_nodemask+0xa80/0xde0 [ 260.936671] 3*4096kB [ 260.938641] ? should_fail+0x22d/0xd01 [ 260.943285] (M) [ 260.945694] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.949556] = 15908kB [ 260.951537] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.956522] Node 0 [ 260.958931] ? lock_downgrade+0x900/0x900 [ 260.963575] DMA32: [ 260.965827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.970003] 4*4kB [ 260.972241] cache_grow_begin+0x91/0x8c0 [ 260.977752] (M) [ 260.979901] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.983941] 0*8kB [ 260.985911] fallback_alloc+0x203/0x2e0 [ 260.990297] 2*16kB [ 260.992464] ____cache_alloc_node+0x1c7/0x1e0 [ 260.996424] (M) [ 260.998658] kmem_cache_alloc_node+0xe3/0x730 [ 261.003130] 2*32kB [ 261.005102] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.009569] (M) [ 261.011822] __alloc_skb+0x119/0x770 [ 261.016036] 5*64kB [ 261.018007] ? skb_scrub_packet+0x490/0x490 [ 261.021698] (UM) [ 261.023931] ? lock_downgrade+0x900/0x900 [ 261.028244] 3*128kB [ 261.030305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.034444] (M) [ 261.036770] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.042282] 4*256kB [ 261.044278] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.049700] (UM) [ 261.052024] ? addrconf_rs_timer+0x690/0x690 [ 261.057452] 3*512kB [ 261.059512] ndisc_alloc_skb+0x144/0x340 [ 261.063905] (M) [ 261.066248] ndisc_send_rs+0x331/0x6e0 [ 261.070286] 3*1024kB [ 261.072276] addrconf_rs_timer+0x314/0x690 [ 261.076140] (UM) [ 261.078547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.082757] 1*2048kB [ 261.084828] call_timer_fn+0x272/0x920 [ 261.089040] (M) [ 261.091450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.095317] 4*4096kB [ 261.097298] ? process_timeout+0x40/0x40 [ 261.101509] (M) [ 261.103918] ? trace_hardirqs_off+0xb8/0x310 [ 261.107957] = 24880kB [ 261.109927] ? kasan_check_read+0x11/0x20 [ 261.114310] Node 0 [ 261.116730] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.120851] Normal: [ 261.123087] ? trace_hardirqs_on+0x310/0x310 [ 261.127474] 719*4kB [ 261.129820] ? __run_timers+0x7da/0xc70 [ 261.134237] (ME) [ 261.136558] ? lock_downgrade+0x900/0x900 [ 261.140513] 385*8kB [ 261.142577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.146697] (UME) [ 261.149016] ? trace_hardirqs_on+0xbd/0x310 [ 261.154093] 182*16kB [ 261.156236] ? kasan_check_read+0x11/0x20 [ 261.160536] (ME) [ 261.162945] ? __run_timers+0x7da/0xc70 [ 261.167070] 99*32kB [ 261.169148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.173098] (UME) [ 261.175440] ? kasan_check_write+0x14/0x20 [ 261.180873] 27*64kB [ 261.183019] ? do_raw_spin_lock+0xc1/0x200 [ 261.187227] (UM) [ 261.189551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.193761] 0*128kB [ 261.195831] __run_timers+0x7e5/0xc70 [ 261.200047] 0*256kB [ 261.202370] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.206144] 0*512kB 0*1024kB [ 261.208526] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.213871] 0*2048kB [ 261.216971] ? rcu_bh_qs+0xc0/0xc0 [ 261.222240] 0*4096kB [ 261.224650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.228166] = 13764kB [ 261.230577] ? check_preemption_disabled+0x48/0x200 [ 261.236093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.238497] ? rcu_nmi_exit+0xdb/0x280 [ 261.243496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.252347] ? ret_from_intr+0xb/0x1e [ 261.256229] 148 total pagecache pages [ 261.264857] ? retint_kernel+0x2d/0x2d [ 261.268647] 0 pages in swap cache [ 261.272542] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.276417] Swap cache stats: add 0, delete 0, find 0/0 [ 261.279904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.284815] Free swap = 0kB [ 261.290192] ? trace_hardirqs_off+0x310/0x310 [ 261.294919] Total swap = 0kB [ 261.297943] ? check_preemption_disabled+0x48/0x200 [ 261.302424] 1965979 pages RAM [ 261.305439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.310435] 0 pages HighMem/MovableOnly [ 261.313536] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.319048] 342307 pages reserved [ 261.323018] ? retint_kernel+0x2d/0x2d [ 261.327751] 0 pages cma reserved [ 261.331200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.335151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.338442] ? check_preemption_disabled+0x48/0x200 [ 261.344042] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.350466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.355461] ksoftirqd/0 cpuset= [ 261.365773] run_timer_softirq+0x52/0xb0 [ 261.371282] / [ 261.374560] ? __this_cpu_preempt_check+0x1c/0x1f [ 261.378598] mems_allowed=0 [ 261.380329] __do_softirq+0x30b/0xad8 [ 261.391853] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.396962] ? pvclock_read_flags+0x160/0x160 [ 261.401591] ? lapic_next_event+0x5a/0x90 [ 261.405729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.411267] ? clockevents_program_event+0x140/0x370 [ 261.416375] ? kvm_clock_read+0x18/0x30 [ 261.420523] ? kvm_sched_clock_read+0x9/0x20 [ 261.424933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.430471] ? check_preemption_disabled+0x48/0x200 [ 261.435492] irq_exit+0x17f/0x1c0 [ 261.438963] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.443812] ? smp_reschedule_interrupt+0x109/0x650 [ 261.448838] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.454723] ? interrupt_entry+0xb5/0xf0 [ 261.458784] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.463814] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.468839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.473682] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.478699] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.483741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.489280] ? check_preemption_disabled+0x48/0x200 [ 261.494297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.499846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.504695] apic_timer_interrupt+0xf/0x20 [ 261.509369] [ 261.511611] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 261.516539] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 261.535438] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.543147] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 261.550410] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 261.557675] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 261.564941] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 261.572208] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 261.579503] ? trace_hardirqs_on+0xb4/0x310 [ 261.583851] skb_clone+0x1bb/0x500 [ 261.587396] ? finish_task_switch+0x2f5/0x900 [ 261.591892] ? skb_split+0x11e0/0x11e0 [ 261.595814] ? preempt_notifier_register+0x200/0x200 [ 261.600917] ? __switch_to_asm+0x34/0x70 [ 261.604977] ? __switch_to_asm+0x34/0x70 [ 261.609034] ? __switch_to_asm+0x40/0x70 [ 261.613107] ? __switch_to_asm+0x34/0x70 [ 261.617163] ? __switch_to_asm+0x40/0x70 [ 261.621224] ? __switch_to_asm+0x34/0x70 [ 261.625284] ? __switch_to_asm+0x40/0x70 [ 261.629351] ? __switch_to_asm+0x34/0x70 [ 261.633413] ? __switch_to_asm+0x34/0x70 [ 261.637472] ? __switch_to_asm+0x40/0x70 [ 261.641528] ? __switch_to_asm+0x34/0x70 [ 261.645948] bpf_clone_redirect+0xb9/0x490 [ 261.650185] ? __schedule+0x874/0x1ed0 [ 261.654071] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 261.659092] ? __sched_text_start+0x8/0x8 [ 261.663246] ? retint_kernel+0x2d/0x2d [ 261.667131] ? retint_kernel+0x2d/0x2d [ 261.671023] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.675973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.680730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.685485] ? trace_hardirqs_off+0x310/0x310 [ 261.689990] ? lock_acquire+0x1ed/0x520 [ 261.693968] ? bpf_test_run+0x32e/0x5a0 [ 261.697945] ? lock_release+0x970/0x970 [ 261.701919] ? preempt_schedule+0x4d/0x60 [ 261.706068] ? preempt_schedule_common+0x1f/0xd0 [ 261.710840] ? preempt_schedule+0x4d/0x60 [ 261.714991] ? ___preempt_schedule+0x16/0x18 [ 261.719404] ? bpf_test_run+0x1c0/0x5a0 [ 261.723387] ? netlink_diag_dump+0x2a0/0x2a0 [ 261.727799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.733347] ? bpf_test_init.isra.9+0x70/0x100 [ 261.737931] ? bpf_prog_test_run_skb+0x634/0xb40 [ 261.742693] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 261.747538] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.753073] ? fput+0x130/0x1a0 [ 261.756354] ? __bpf_prog_get+0x9b/0x290 [ 261.760421] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 261.765265] ? bpf_prog_test_run+0x130/0x1a0 [ 261.769675] ? __x64_sys_bpf+0x3d8/0x510 [ 261.773744] ? bpf_prog_get+0x20/0x20 [ 261.777559] ? do_syscall_64+0x1b9/0x820 [ 261.781621] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.786984] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.791920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.796764] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.801782] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.806813] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.811842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.816694] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.822090] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 261.822144] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.828860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.828864] Call Trace: [ 261.828885] dump_stack+0x1c4/0x2b4 [ 261.828905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.835425] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.844741] warn_alloc.cold.119+0xb7/0x1bd [ 261.847303] syz-executor0 cpuset= [ 261.850926] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.856091] syz0 [ 261.866573] ? lock_downgrade+0x900/0x900 [ 261.870873] mems_allowed=0 [ 261.874319] ? trace_hardirqs_off+0xb8/0x310 [ 261.892550] ? trace_hardirqs_off+0xb8/0x310 [ 261.896967] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.901840] ? warn_alloc+0x120/0x120 [ 261.905645] ? warn_alloc+0x120/0x120 [ 261.909447] ? warn_alloc+0x120/0x120 [ 261.913245] ? mark_held_locks+0x130/0x130 [ 261.917483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.923023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.928565] ? should_fail+0x22d/0xd01 [ 261.932481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.937674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.943213] ? should_fail+0x22d/0xd01 [ 261.947104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.952232] ? should_fail+0x22d/0xd01 [ 261.956135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.961251] ? mark_held_locks+0x130/0x130 [ 261.965491] ? mark_held_locks+0x130/0x130 [ 261.969724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.975261] ? trace_hardirqs_off+0xb8/0x310 [ 261.979670] ? kasan_check_read+0x11/0x20 [ 261.983833] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.988254] ? trace_hardirqs_on+0x310/0x310 [ 261.992658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.998187] ? wq_watchdog_touch+0x9c/0xfe [ 262.002434] ? io_serial_in+0x11/0x90 [ 262.006231] ? retint_kernel+0x2d/0x2d [ 262.010118] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.015068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.019838] ? trace_hardirqs_off+0x310/0x310 [ 262.024331] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.029440] __alloc_pages_nodemask+0xa80/0xde0 [ 262.034108] ? should_fail+0x22d/0xd01 [ 262.037998] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.043035] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.047711] ? lock_downgrade+0x900/0x900 [ 262.051876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.057415] cache_grow_begin+0x91/0x8c0 [ 262.061482] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.065898] fallback_alloc+0x203/0x2e0 [ 262.069877] ____cache_alloc_node+0x1c7/0x1e0 [ 262.074375] kmem_cache_alloc_node+0xe3/0x730 [ 262.078871] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.083114] __alloc_skb+0x119/0x770 [ 262.086852] ? skb_scrub_packet+0x490/0x490 [ 262.091173] ? lock_downgrade+0x900/0x900 [ 262.095325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.100862] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.106316] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.111769] ? addrconf_rs_timer+0x690/0x690 [ 262.116190] ndisc_alloc_skb+0x144/0x340 [ 262.120254] ndisc_send_rs+0x331/0x6e0 [ 262.124143] addrconf_rs_timer+0x314/0x690 [ 262.128374] ? lock_release+0x970/0x970 [ 262.132349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.136595] call_timer_fn+0x272/0x920 [ 262.140482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.144719] ? process_timeout+0x40/0x40 [ 262.148798] ? kasan_check_read+0x11/0x20 [ 262.152965] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.157374] ? trace_hardirqs_on+0x310/0x310 [ 262.161783] ? __run_timers+0x7da/0xc70 [ 262.165767] ? lock_downgrade+0x900/0x900 [ 262.169918] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.175019] ? trace_hardirqs_on+0xbd/0x310 [ 262.179343] ? kasan_check_read+0x11/0x20 [ 262.183493] ? __run_timers+0x7da/0xc70 [ 262.187469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.192925] ? kasan_check_write+0x14/0x20 [ 262.197161] ? do_raw_spin_lock+0xc1/0x200 [ 262.201405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.205657] __run_timers+0x7e5/0xc70 [ 262.209469] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.214842] ? lock_downgrade+0x900/0x900 [ 262.218998] ? finish_task_switch+0x1b5/0x900 [ 262.223494] ? trace_hardirqs_on+0xbd/0x310 [ 262.227839] ? kasan_check_read+0x11/0x20 [ 262.231988] ? finish_task_switch+0x1f5/0x900 [ 262.236481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.241933] ? compat_start_thread+0x80/0x80 [ 262.246357] ? pvclock_read_flags+0x160/0x160 [ 262.250852] ? __switch_to_asm+0x34/0x70 [ 262.254938] ? __switch_to_asm+0x34/0x70 [ 262.258995] ? __switch_to_asm+0x40/0x70 [ 262.263069] ? __switch_to_asm+0x40/0x70 [ 262.267127] ? __switch_to_asm+0x34/0x70 [ 262.271185] ? __switch_to_asm+0x40/0x70 [ 262.275245] ? trace_hardirqs_on+0xbd/0x310 [ 262.279569] ? kvm_sched_clock_read+0x9/0x20 [ 262.283984] ? run_ksoftirqd+0x94/0x100 [ 262.287961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.293503] ? check_preemption_disabled+0x48/0x200 [ 262.298535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.304075] run_timer_softirq+0x52/0xb0 [ 262.308136] ? __this_cpu_preempt_check+0x1c/0x1f [ 262.312977] __do_softirq+0x30b/0xad8 [ 262.316814] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.321929] ? schedule+0x108/0x460 [ 262.325559] ? trace_hardirqs_off+0xb8/0x310 [ 262.329964] ? smpboot_thread_fn+0x68b/0xa00 [ 262.334373] ? trace_hardirqs_on+0x310/0x310 [ 262.338780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.344339] ? check_preemption_disabled+0x48/0x200 [ 262.349368] ? takeover_tasklets+0xa90/0xa90 [ 262.353778] run_ksoftirqd+0x94/0x100 [ 262.357587] smpboot_thread_fn+0x68b/0xa00 [ 262.361835] ? sort_range+0x30/0x30 [ 262.365464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.370566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.376101] ? __kthread_parkme+0xfb/0x1a0 [ 262.380357] kthread+0x35a/0x420 [ 262.383721] ? sort_range+0x30/0x30 [ 262.387349] ? kthread_bind+0x40/0x40 [ 262.391152] ret_from_fork+0x3a/0x50 [ 262.394873] warn_alloc_show_mem: 1 callbacks suppressed [ 262.394885] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 262.394887] Mem-Info: [ 262.394930] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 262.394930] active_file:16 inactive_file:13 isolated_file:0 [ 262.394930] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.394930] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 262.394930] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 262.394930] free:13630 free_pcp:242 free_cma:0 [ 262.400304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.407517] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.409910] Call Trace: [ 262.442824] Node 0 [ 262.452183] [ 262.479781] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.482354] dump_stack+0x1c4/0x2b4 [ 262.484558] lowmem_reserve[]: 0 [ 262.486717] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.512212] 2819 [ 262.515853] warn_alloc.cold.119+0xb7/0x1bd [ 262.519109] 6323 [ 262.524295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.526332] 6323 [ 262.530655] ? lock_downgrade+0x900/0x900 [ 262.537531] ? trace_hardirqs_off+0xb8/0x310 [ 262.539571] Node 0 [ 262.543711] ? trace_hardirqs_off+0xb8/0x310 [ 262.548120] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.550337] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.554710] lowmem_reserve[]: 0 [ 262.581713] ? warn_alloc+0x120/0x120 [ 262.586530] 0 [ 262.589814] ? lock_release+0x970/0x970 [ 262.593592] 3503 [ 262.595404] ? warn_alloc+0x120/0x120 [ 262.599356] 3503 [ 262.601424] ? trace_hardirqs_on+0x310/0x310 [ 262.607263] ? warn_alloc+0x120/0x120 [ 262.611649] Node 0 [ 262.615445] ? mark_held_locks+0x130/0x130 [ 262.615477] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 262.615485] lowmem_reserve[]: [ 262.617718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.621928] 0 [ 262.650208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.653295] 0 [ 262.658845] ? should_fail+0x22d/0xd01 [ 262.660624] 0 [ 262.666156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.667934] 0 [ 262.671822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.678699] ? should_fail+0x22d/0xd01 [ 262.680498] Node 0 [ 262.686032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.689890] DMA: 1*4kB [ 262.692135] ? should_fail+0x22d/0xd01 [ 262.697217] (U) [ 262.699825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.703695] 0*8kB [ 262.705673] ? mark_held_locks+0x130/0x130 [ 262.710755] 0*16kB [ 262.712901] ? mark_held_locks+0x130/0x130 [ 262.717113] 1*32kB [ 262.719366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.723575] (U) [ 262.725817] ? trace_hardirqs_off+0xb8/0x310 [ 262.731337] 2*64kB [ 262.733306] ? kasan_check_read+0x11/0x20 [ 262.737691] (U) [ 262.739927] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.744046] 1*128kB (U) [ 262.746030] ? trace_hardirqs_on+0x310/0x310 [ 262.750415] 1*256kB [ 262.753083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.757463] (U) [ 262.759785] ? wq_watchdog_touch+0x9c/0xfe [ 262.765304] 0*512kB [ 262.767282] ? io_serial_in+0x11/0x90 [ 262.771497] 1*1024kB [ 262.773826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.777606] (U) [ 262.780016] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.785527] 1*2048kB [ 262.787502] __alloc_pages_nodemask+0xa80/0xde0 [ 262.792574] (M) 3*4096kB [ 262.794992] ? should_fail+0x22d/0xd01 [ 262.799636] (M) [ 262.802392] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.806254] = 15908kB [ 262.808234] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.813216] Node 0 [ 262.815628] ? lock_downgrade+0x900/0x900 [ 262.820273] DMA32: [ 262.822509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.826643] 4*4kB [ 262.828878] cache_grow_begin+0x91/0x8c0 [ 262.834392] (M) [ 262.836541] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.840576] 0*8kB 2*16kB [ 262.842562] fallback_alloc+0x203/0x2e0 [ 262.846947] (M) [ 262.849718] ____cache_alloc_node+0x1c7/0x1e0 [ 262.853672] 2*32kB [ 262.855642] kmem_cache_alloc_node+0xe3/0x730 [ 262.860112] (M) [ 262.862358] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.866842] 5*64kB [ 262.868825] __alloc_skb+0x119/0x770 [ 262.873037] (UM) [ 262.875272] ? skb_scrub_packet+0x490/0x490 [ 262.878971] 3*128kB [ 262.881029] ? lock_downgrade+0x900/0x900 [ 262.885321] (M) 4*256kB [ 262.887654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.891775] (UM) [ 262.894474] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.899989] 3*512kB [ 262.902050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.907477] (M) [ 262.909811] ? addrconf_rs_timer+0x690/0x690 [ 262.915245] 3*1024kB [ 262.917225] ndisc_alloc_skb+0x144/0x340 [ 262.921604] (UM) [ 262.924032] ndisc_send_rs+0x331/0x6e0 [ 262.928073] 1*2048kB [ 262.930135] addrconf_rs_timer+0x314/0x690 [ 262.933994] (M) [ 262.936487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.940697] 4*4096kB [ 262.942671] call_timer_fn+0x272/0x920 [ 262.946905] (M) [ 262.949314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.953186] = 24880kB [ 262.955158] ? process_timeout+0x40/0x40 [ 262.959367] Node 0 [ 262.961785] ? trace_hardirqs_off+0xb8/0x310 [ 262.965833] Normal: [ 262.968072] ? kasan_check_read+0x11/0x20 [ 262.972458] 719*4kB [ 262.974778] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.978898] (ME) [ 262.981218] ? trace_hardirqs_on+0x310/0x310 [ 262.985602] 385*8kB [ 262.987662] ? __run_timers+0x7da/0xc70 [ 262.992044] (UME) [ 262.994367] ? lock_downgrade+0x900/0x900 [ 262.998326] 182*16kB [ 263.000474] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.004612] (ME) 99*32kB [ 263.007031] ? trace_hardirqs_on+0xbd/0x310 [ 263.012109] (UME) [ 263.014893] ? kasan_check_read+0x11/0x20 [ 263.019195] 27*64kB [ 263.021368] ? __run_timers+0x7da/0xc70 [ 263.025502] (UM) [ 263.027840] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.031788] 0*128kB [ 263.033872] ? kasan_check_write+0x14/0x20 [ 263.039301] 0*256kB [ 263.041639] ? do_raw_spin_lock+0xc1/0x200 [ 263.045862] 0*512kB [ 263.048197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.052409] 0*1024kB [ 263.054730] __run_timers+0x7e5/0xc70 [ 263.058944] 0*2048kB [ 263.061361] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.065132] 0*4096kB = 13764kB [ 263.067572] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.072915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.076100] ? rcu_bh_qs+0xc0/0xc0 [ 263.081360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.090198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.093714] 148 total pagecache pages [ 263.102290] ? check_preemption_disabled+0x48/0x200 [ 263.107812] 0 pages in swap cache [ 263.111610] ? rcu_nmi_exit+0xdb/0x280 [ 263.116606] Swap cache stats: add 0, delete 0, find 0/0 [ 263.120052] ? ret_from_intr+0xb/0x1e [ 263.123914] Free swap = 0kB [ 263.129271] ? retint_kernel+0x2d/0x2d [ 263.133049] Total swap = 0kB [ 263.136063] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.139925] 1965979 pages RAM [ 263.142945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.147849] 0 pages HighMem/MovableOnly [ 263.150984] ? trace_hardirqs_off+0x310/0x310 [ 263.155713] 342307 pages reserved [ 263.159689] ? check_preemption_disabled+0x48/0x200 [ 263.164155] 0 pages cma reserved [ 263.167611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.172656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.175969] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.181552] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.187980] ? retint_kernel+0x2d/0x2d [ 263.192713] ksoftirqd/0 cpuset= [ 263.203045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.206909] / [ 263.210191] ? check_preemption_disabled+0x48/0x200 [ 263.215711] mems_allowed=0 [ 263.225350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.230898] run_timer_softirq+0x52/0xb0 [ 263.234968] ? __this_cpu_preempt_check+0x1c/0x1f [ 263.239821] __do_softirq+0x30b/0xad8 [ 263.243636] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.248742] ? pvclock_read_flags+0x160/0x160 [ 263.253247] ? lapic_next_event+0x5a/0x90 [ 263.257398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.262939] ? clockevents_program_event+0x140/0x370 [ 263.268047] ? kvm_clock_read+0x18/0x30 [ 263.272020] ? kvm_sched_clock_read+0x9/0x20 [ 263.276434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.281979] ? check_preemption_disabled+0x48/0x200 [ 263.287003] irq_exit+0x17f/0x1c0 [ 263.290459] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.295300] ? smp_reschedule_interrupt+0x109/0x650 [ 263.300332] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.306216] ? interrupt_entry+0xb5/0xf0 [ 263.310276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.315292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.320326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.325172] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.330184] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.335201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.340742] ? check_preemption_disabled+0x48/0x200 [ 263.345759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.351305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.356177] apic_timer_interrupt+0xf/0x20 [ 263.360409] [ 263.362647] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 263.367579] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 263.386476] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.394184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 263.401579] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 263.408857] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 263.416127] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 263.423391] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 263.430669] ? trace_hardirqs_on+0xb4/0x310 [ 263.435000] skb_clone+0x1bb/0x500 [ 263.438573] ? finish_task_switch+0x2f5/0x900 [ 263.443066] ? skb_split+0x11e0/0x11e0 [ 263.446954] ? preempt_notifier_register+0x200/0x200 [ 263.452072] ? __switch_to_asm+0x34/0x70 [ 263.456133] ? __switch_to_asm+0x34/0x70 [ 263.460190] ? __switch_to_asm+0x40/0x70 [ 263.464247] ? __switch_to_asm+0x34/0x70 [ 263.468305] ? __switch_to_asm+0x40/0x70 [ 263.472367] ? __switch_to_asm+0x34/0x70 [ 263.476421] ? __switch_to_asm+0x40/0x70 [ 263.480480] ? __switch_to_asm+0x34/0x70 [ 263.484545] ? __switch_to_asm+0x34/0x70 [ 263.488603] ? __switch_to_asm+0x40/0x70 [ 263.492658] ? __switch_to_asm+0x34/0x70 [ 263.496734] bpf_clone_redirect+0xb9/0x490 [ 263.500988] ? __schedule+0x874/0x1ed0 [ 263.504897] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 263.510430] ? __sched_text_start+0x8/0x8 [ 263.514576] ? retint_kernel+0x2d/0x2d [ 263.518465] ? retint_kernel+0x2d/0x2d [ 263.522373] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.527322] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.532074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.536834] ? trace_hardirqs_off+0x310/0x310 [ 263.541345] ? lock_acquire+0x1ed/0x520 [ 263.545340] ? bpf_test_run+0x32e/0x5a0 [ 263.549322] ? lock_release+0x970/0x970 [ 263.553293] ? preempt_schedule+0x4d/0x60 [ 263.557449] ? preempt_schedule_common+0x1f/0xd0 [ 263.562204] ? preempt_schedule+0x4d/0x60 [ 263.566379] ? ___preempt_schedule+0x16/0x18 [ 263.570789] ? bpf_test_run+0x1c0/0x5a0 [ 263.574775] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.579190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.584726] ? bpf_test_init.isra.9+0x70/0x100 [ 263.589309] ? bpf_prog_test_run_skb+0x634/0xb40 [ 263.594076] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.598919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.604453] ? fput+0x130/0x1a0 [ 263.607732] ? __bpf_prog_get+0x9b/0x290 [ 263.611791] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.616642] ? bpf_prog_test_run+0x130/0x1a0 [ 263.621059] ? __x64_sys_bpf+0x3d8/0x510 [ 263.625119] ? bpf_prog_get+0x20/0x20 [ 263.628933] ? do_syscall_64+0x1b9/0x820 [ 263.632994] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.638356] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.643285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.648132] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.653152] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.658189] ? prepare_exit_to_usermode+0x291/0x3b0 [ 263.663210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.668054] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.673429] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 263.673479] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.680191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.680196] Call Trace: [ 263.680216] dump_stack+0x1c4/0x2b4 [ 263.680235] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.686761] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.696068] warn_alloc.cold.119+0xb7/0x1bd [ 263.698632] syz-executor0 cpuset= [ 263.702259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.707423] syz0 [ 263.717909] ? lock_downgrade+0x900/0x900 [ 263.722211] mems_allowed=0 [ 263.725668] ? trace_hardirqs_off+0xb8/0x310 [ 263.743912] ? trace_hardirqs_off+0xb8/0x310 [ 263.748333] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.753192] ? warn_alloc+0x120/0x120 [ 263.756995] ? warn_alloc+0x120/0x120 [ 263.760797] ? warn_alloc+0x120/0x120 [ 263.764615] ? mark_held_locks+0x130/0x130 [ 263.768886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.774424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.779965] ? should_fail+0x22d/0xd01 [ 263.783858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.788959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.794496] ? should_fail+0x22d/0xd01 [ 263.798397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.803497] ? should_fail+0x22d/0xd01 [ 263.807386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.812489] ? mark_held_locks+0x130/0x130 [ 263.816727] ? mark_held_locks+0x130/0x130 [ 263.820979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.826524] ? trace_hardirqs_off+0xb8/0x310 [ 263.830928] ? kasan_check_read+0x11/0x20 [ 263.835082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.839489] ? trace_hardirqs_on+0x310/0x310 [ 263.843899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.849436] ? wq_watchdog_touch+0x9c/0xfe [ 263.853712] ? io_serial_in+0x11/0x90 [ 263.857515] ? retint_kernel+0x2d/0x2d [ 263.861399] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.866328] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.871083] ? trace_hardirqs_off+0x310/0x310 [ 263.875578] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.880698] __alloc_pages_nodemask+0xa80/0xde0 [ 263.885364] ? should_fail+0x22d/0xd01 [ 263.889252] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.894318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.898994] ? lock_downgrade+0x900/0x900 [ 263.903151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.908690] cache_grow_begin+0x91/0x8c0 [ 263.912750] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.917199] fallback_alloc+0x203/0x2e0 [ 263.921193] ____cache_alloc_node+0x1c7/0x1e0 [ 263.925705] kmem_cache_alloc_node+0xe3/0x730 [ 263.930199] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.934447] __alloc_skb+0x119/0x770 [ 263.938165] ? skb_scrub_packet+0x490/0x490 [ 263.942482] ? lock_downgrade+0x900/0x900 [ 263.946631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.952167] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.957642] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.963094] ? addrconf_rs_timer+0x690/0x690 [ 263.967506] ndisc_alloc_skb+0x144/0x340 [ 263.971571] ndisc_send_rs+0x331/0x6e0 [ 263.975462] addrconf_rs_timer+0x314/0x690 [ 263.979693] ? lock_release+0x970/0x970 [ 263.983692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.987948] call_timer_fn+0x272/0x920 [ 263.991845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.996081] ? process_timeout+0x40/0x40 [ 264.000145] ? kasan_check_read+0x11/0x20 [ 264.004304] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.008713] ? trace_hardirqs_on+0x310/0x310 [ 264.013123] ? __run_timers+0x7da/0xc70 [ 264.017116] ? lock_downgrade+0x900/0x900 [ 264.021367] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.026472] ? trace_hardirqs_on+0xbd/0x310 [ 264.030798] ? kasan_check_read+0x11/0x20 [ 264.034964] ? __run_timers+0x7da/0xc70 [ 264.038940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.044410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.049952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.054190] __run_timers+0x7e5/0xc70 [ 264.058000] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.063372] ? lock_downgrade+0x900/0x900 [ 264.067528] ? finish_task_switch+0x1b5/0x900 [ 264.072053] ? trace_hardirqs_on+0xbd/0x310 [ 264.076369] ? kasan_check_read+0x11/0x20 [ 264.080515] ? finish_task_switch+0x1f5/0x900 [ 264.085009] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.090483] ? compat_start_thread+0x80/0x80 [ 264.094903] ? pvclock_read_flags+0x160/0x160 [ 264.099394] ? __switch_to_asm+0x34/0x70 [ 264.103451] ? __switch_to_asm+0x34/0x70 [ 264.107512] ? __switch_to_asm+0x40/0x70 [ 264.111609] ? __switch_to_asm+0x40/0x70 [ 264.115666] ? __switch_to_asm+0x34/0x70 [ 264.119720] ? __switch_to_asm+0x40/0x70 [ 264.123794] ? trace_hardirqs_on+0xbd/0x310 [ 264.128155] ? kvm_sched_clock_read+0x9/0x20 [ 264.132561] ? run_ksoftirqd+0x94/0x100 [ 264.136535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.142076] ? check_preemption_disabled+0x48/0x200 [ 264.147093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.152634] run_timer_softirq+0x52/0xb0 [ 264.156694] ? __this_cpu_preempt_check+0x1c/0x1f [ 264.161536] __do_softirq+0x30b/0xad8 [ 264.165354] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.170460] ? schedule+0x108/0x460 [ 264.174089] ? trace_hardirqs_off+0xb8/0x310 [ 264.178495] ? smpboot_thread_fn+0x68b/0xa00 [ 264.182908] ? trace_hardirqs_on+0x310/0x310 [ 264.187318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.192872] ? check_preemption_disabled+0x48/0x200 [ 264.197889] ? takeover_tasklets+0xa90/0xa90 [ 264.202297] run_ksoftirqd+0x94/0x100 [ 264.206111] smpboot_thread_fn+0x68b/0xa00 [ 264.210345] ? sort_range+0x30/0x30 [ 264.213972] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.219077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.224611] ? __kthread_parkme+0xfb/0x1a0 [ 264.228853] kthread+0x35a/0x420 [ 264.232255] ? sort_range+0x30/0x30 [ 264.235893] ? kthread_bind+0x40/0x40 [ 264.239697] ret_from_fork+0x3a/0x50 [ 264.243420] warn_alloc_show_mem: 1 callbacks suppressed [ 264.243443] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 264.243445] Mem-Info: [ 264.243471] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 264.243471] active_file:16 inactive_file:13 isolated_file:0 [ 264.243471] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.243471] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 264.243471] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 264.243471] free:13630 free_pcp:242 free_cma:0 [ 264.248833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.256036] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.258458] Call Trace: [ 264.291413] Node 0 [ 264.300774] [ 264.328281] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.330847] dump_stack+0x1c4/0x2b4 [ 264.333057] lowmem_reserve[]: [ 264.335205] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.360697] 0 [ 264.364331] warn_alloc.cold.119+0xb7/0x1bd [ 264.367403] 2819 [ 264.372600] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.374391] 6323 [ 264.378708] ? lock_downgrade+0x900/0x900 [ 264.380759] 6323 [ 264.385628] ? trace_hardirqs_off+0xb8/0x310 [ 264.391833] ? trace_hardirqs_off+0xb8/0x310 [ 264.393879] Node 0 [ 264.398305] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.402711] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.404928] ? warn_alloc+0x120/0x120 [ 264.409749] lowmem_reserve[]: [ 264.436754] ? warn_alloc+0x120/0x120 [ 264.440537] 0 [ 264.443641] ? warn_alloc+0x120/0x120 [ 264.447413] 0 3503 [ 264.449227] ? mark_held_locks+0x130/0x130 [ 264.453003] 3503 [ 264.455239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.461513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.467026] Node 0 [ 264.472559] ? should_fail+0x22d/0xd01 [ 264.472591] Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 264.472599] lowmem_reserve[]: [ 264.474841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.478709] 0 [ 264.506995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.507014] ? should_fail+0x22d/0xd01 [ 264.510110] 0 [ 264.515210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.516984] 0 [ 264.522520] ? should_fail+0x22d/0xd01 [ 264.526413] 0 [ 264.528230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.535147] ? mark_held_locks+0x130/0x130 [ 264.539008] Node 0 [ 264.540815] ? mark_held_locks+0x130/0x130 [ 264.545900] DMA: [ 264.550134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.552349] 1*4kB [ 264.556579] ? mark_held_locks+0x130/0x130 [ 264.558640] (U) [ 264.564178] ? trace_hardirqs_on+0x310/0x310 [ 264.566329] 0*8kB [ 264.570560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.572514] 0*16kB [ 264.576920] ? wq_watchdog_touch+0x9c/0xfe [ 264.579050] 1*32kB [ 264.584582] ? io_serial_in+0x11/0x90 [ 264.586794] (U) [ 264.591033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.593247] 2*64kB [ 264.597045] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.598997] (U) [ 264.604536] __alloc_pages_nodemask+0xa80/0xde0 [ 264.606749] 1*128kB [ 264.611858] ? should_fail+0x22d/0xd01 [ 264.613822] (U) [ 264.618486] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.620788] 1*256kB [ 264.624703] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.626649] (U) [ 264.631662] ? lock_downgrade+0x900/0x900 [ 264.633965] 0*512kB [ 264.638628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.640580] 1*1024kB [ 264.644725] cache_grow_begin+0x91/0x8c0 [ 264.647024] (U) [ 264.652570] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.654959] 1*2048kB [ 264.659016] fallback_alloc+0x203/0x2e0 [ 264.660972] (M) [ 264.665378] ____cache_alloc_node+0x1c7/0x1e0 [ 264.667760] 3*4096kB (M) [ 264.671743] kmem_cache_alloc_node+0xe3/0x730 [ 264.673704] = 15908kB [ 264.678198] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.680929] Node 0 [ 264.685418] __alloc_skb+0x119/0x770 [ 264.687823] DMA32: [ 264.692049] ? skb_scrub_packet+0x490/0x490 [ 264.694262] 4*4kB [ 264.697969] ? lock_downgrade+0x900/0x900 [ 264.700183] (M) [ 264.704501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.706629] 0*8kB [ 264.710774] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.712726] 2*16kB [ 264.718259] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.720387] (M) [ 264.725848] ? addrconf_rs_timer+0x690/0x690 [ 264.728055] 2*32kB (M) [ 264.733514] ndisc_alloc_skb+0x144/0x340 [ 264.735457] 5*64kB (UM) [ 264.739885] ndisc_send_rs+0x331/0x6e0 [ 264.742449] 3*128kB [ 264.746505] addrconf_rs_timer+0x314/0x690 [ 264.749151] (M) [ 264.753034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.755338] 4*256kB [ 264.759571] call_timer_fn+0x272/0x920 [ 264.761536] (UM) [ 264.765779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.768088] 3*512kB [ 264.771970] ? process_timeout+0x40/0x40 [ 264.774008] (M) [ 264.778241] ? trace_hardirqs_off+0xb8/0x310 [ 264.780544] 3*1024kB [ 264.784600] ? kasan_check_read+0x11/0x20 [ 264.786554] (UM) [ 264.790962] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.793341] 1*2048kB (M) [ 264.797498] ? trace_hardirqs_on+0x310/0x310 [ 264.799542] 4*4096kB [ 264.803955] ? __run_timers+0x7da/0xc70 [ 264.806692] (M) [ 264.811094] ? lock_downgrade+0x900/0x900 [ 264.813481] = 24880kB [ 264.817460] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.819413] Node 0 [ 264.823554] ? trace_hardirqs_on+0xbd/0x310 [ 264.825943] Normal: [ 264.831043] ? kasan_check_read+0x11/0x20 [ 264.833258] 719*4kB [ 264.837576] ? __run_timers+0x7da/0xc70 [ 264.839877] (ME) [ 264.844023] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.846322] 385*8kB (UME) [ 264.850304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.852344] 182*16kB [ 264.857790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.860629] (ME) [ 264.866173] __run_timers+0x7e5/0xc70 [ 264.868562] 99*32kB [ 264.872797] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.874848] (UME) [ 264.878645] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.880938] 27*64kB (UM) [ 264.886321] ? rcu_bh_qs+0xc0/0xc0 [ 264.888448] 0*128kB [ 264.893728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.896474] 0*256kB [ 264.900103] ? check_preemption_disabled+0x48/0x200 [ 264.902406] 0*512kB [ 264.907938] ? rcu_nmi_exit+0xdb/0x280 [ 264.910241] 0*1024kB [ 264.915259] ? ret_from_intr+0xb/0x1e [ 264.917558] 0*2048kB [ 264.921444] ? retint_kernel+0x2d/0x2d [ 264.923831] 0*4096kB = 13764kB [ 264.927640] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.930035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.933912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.937086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.942022] ? trace_hardirqs_off+0x310/0x310 [ 264.950843] 148 total pagecache pages [ 264.955595] ? check_preemption_disabled+0x48/0x200 [ 264.964146] 0 pages in swap cache [ 264.968640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.972422] Swap cache stats: add 0, delete 0, find 0/0 [ 264.977438] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.981045] Free swap = 0kB [ 264.981055] Total swap = 0kB [ 264.986588] ? retint_kernel+0x2d/0x2d [ 264.991926] 1965979 pages RAM [ 264.996677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.999672] 0 pages HighMem/MovableOnly [ 265.002715] ? check_preemption_disabled+0x48/0x200 [ 265.006577] 342307 pages reserved [ 265.009680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.015282] 0 pages cma reserved [ 265.019252] run_timer_softirq+0x52/0xb0 [ 265.024308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.027709] ? __this_cpu_preempt_check+0x1c/0x1f [ 265.033320] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.036614] __do_softirq+0x30b/0xad8 [ 265.040670] ksoftirqd/0 cpuset= [ 265.047165] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.051981] / [ 265.062290] ? pvclock_read_flags+0x160/0x160 [ 265.066068] mems_allowed=0 [ 265.069346] ? lapic_next_event+0x5a/0x90 [ 265.087699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.093235] ? clockevents_program_event+0x140/0x370 [ 265.098384] ? kvm_clock_read+0x18/0x30 [ 265.102361] ? kvm_sched_clock_read+0x9/0x20 [ 265.106770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.112335] ? check_preemption_disabled+0x48/0x200 [ 265.117360] irq_exit+0x17f/0x1c0 [ 265.120823] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.125666] ? smp_reschedule_interrupt+0x109/0x650 [ 265.130683] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.136567] ? interrupt_entry+0xb5/0xf0 [ 265.140632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.145645] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.150667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.155510] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.160527] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.165545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.171080] ? check_preemption_disabled+0x48/0x200 [ 265.176093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.181632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.186502] apic_timer_interrupt+0xf/0x20 [ 265.190733] [ 265.192972] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.197900] Code: 7e 0f 85 cf fe ff ff e8 06 c1 3e ff e9 c5 fe ff ff e8 5d 04 c3 ff 48 83 3d 3d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e [ 265.216796] RSP: 0018:ffff88019c0c7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.224525] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90002065000 [ 265.231789] RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286 [ 265.239072] RBP: ffff88019c0c77b0 R08: ffff88019bc1a280 R09: fffffbfff12811f4 [ 265.246345] R10: ffff88019c0c6390 R11: ffffffff89408fa3 R12: 0000000000000000 [ 265.253609] R13: ffff8801d9bf3800 R14: ffff8801d9bf3800 R15: 0000000000480020 [ 265.260897] ? trace_hardirqs_on+0xb4/0x310 [ 265.265243] skb_clone+0x1bb/0x500 [ 265.268783] ? finish_task_switch+0x2f5/0x900 [ 265.273288] ? skb_split+0x11e0/0x11e0 [ 265.277179] ? preempt_notifier_register+0x200/0x200 [ 265.282281] ? __switch_to_asm+0x34/0x70 [ 265.286342] ? __switch_to_asm+0x34/0x70 [ 265.290402] ? __switch_to_asm+0x40/0x70 [ 265.294458] ? __switch_to_asm+0x34/0x70 [ 265.298544] ? __switch_to_asm+0x40/0x70 [ 265.302603] ? __switch_to_asm+0x34/0x70 [ 265.306659] ? __switch_to_asm+0x40/0x70 [ 265.310717] ? __switch_to_asm+0x34/0x70 [ 265.314778] ? __switch_to_asm+0x34/0x70 [ 265.318846] ? __switch_to_asm+0x40/0x70 [ 265.322905] ? __switch_to_asm+0x34/0x70 [ 265.326970] bpf_clone_redirect+0xb9/0x490 [ 265.331204] ? __schedule+0x874/0x1ed0 [ 265.335093] bpf_prog_79bab0a1566dd526+0xfe6/0x1000 [ 265.340111] ? __sched_text_start+0x8/0x8 [ 265.344262] ? retint_kernel+0x2d/0x2d [ 265.348148] ? retint_kernel+0x2d/0x2d [ 265.352035] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.356968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.361726] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.366484] ? trace_hardirqs_off+0x310/0x310 [ 265.370986] ? lock_acquire+0x1ed/0x520 [ 265.374959] ? bpf_test_run+0x32e/0x5a0 [ 265.378939] ? lock_release+0x970/0x970 [ 265.382913] ? preempt_schedule+0x4d/0x60 [ 265.387068] ? preempt_schedule_common+0x1f/0xd0 [ 265.391839] ? preempt_schedule+0x4d/0x60 [ 265.395989] ? ___preempt_schedule+0x16/0x18 [ 265.400405] ? bpf_test_run+0x1c0/0x5a0 [ 265.404679] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.409096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.414634] ? bpf_test_init.isra.9+0x70/0x100 [ 265.419222] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.423984] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.428835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.434375] ? fput+0x130/0x1a0 [ 265.437658] ? __bpf_prog_get+0x9b/0x290 [ 265.441723] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.446563] ? bpf_prog_test_run+0x130/0x1a0 [ 265.450973] ? __x64_sys_bpf+0x3d8/0x510 [ 265.455034] ? bpf_prog_get+0x20/0x20 [ 265.458848] ? do_syscall_64+0x1b9/0x820 [ 265.462926] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.468292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.473232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.478079] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.483097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.488120] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.493143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.497991] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.503365] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc5+ #62 [ 265.503419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.510360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.510365] Call Trace: [ 265.510386] dump_stack+0x1c4/0x2b4 [ 265.510405] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.516926] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.526238] warn_alloc.cold.119+0xb7/0x1bd [ 265.528798] syz-executor0 cpuset= [ 265.532441] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.537606] syz0 [ 265.548091] ? lock_downgrade+0x900/0x900 [ 265.552394] mems_allowed=0 [ 265.555848] ? trace_hardirqs_off+0xb8/0x310 [ 265.574084] ? trace_hardirqs_off+0xb8/0x310 [ 265.578497] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.583408] ? warn_alloc+0x120/0x120 [ 265.587215] ? warn_alloc+0x120/0x120 [ 265.591018] ? warn_alloc+0x120/0x120 [ 265.594834] ? mark_held_locks+0x130/0x130 [ 265.599075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.604613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.610151] ? should_fail+0x22d/0xd01 [ 265.614045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.619148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.624683] ? should_fail+0x22d/0xd01 [ 265.628572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.633674] ? should_fail+0x22d/0xd01 [ 265.637565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.642669] ? mark_held_locks+0x130/0x130 [ 265.646905] ? mark_held_locks+0x130/0x130 [ 265.651138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.656680] ? mark_held_locks+0x130/0x130 [ 265.660919] ? trace_hardirqs_on+0x310/0x310 [ 265.665328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.670871] ? wq_watchdog_touch+0x9c/0xfe [ 265.675109] ? io_serial_in+0x11/0x90 [ 265.678909] ? retint_kernel+0x2d/0x2d [ 265.682795] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.687742] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.692497] ? trace_hardirqs_off+0x310/0x310 [ 265.696996] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.702108] __alloc_pages_nodemask+0xa80/0xde0 [ 265.706777] ? should_fail+0x22d/0xd01 [ 265.710679] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.715712] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.720396] ? lock_downgrade+0x900/0x900 [ 265.724548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.730086] cache_grow_begin+0x91/0x8c0 [ 265.734146] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.738563] fallback_alloc+0x203/0x2e0 [ 265.742545] ____cache_alloc_node+0x1c7/0x1e0 [ 265.747045] kmem_cache_alloc_node+0xe3/0x730 [ 265.751540] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.755778] __alloc_skb+0x119/0x770 [ 265.759511] ? skb_scrub_packet+0x490/0x490 [ 265.763845] ? lock_downgrade+0x900/0x900 [ 265.767998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.773536] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.778998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.784447] ? addrconf_rs_timer+0x690/0x690 [ 265.788865] ndisc_alloc_skb+0x144/0x340 [ 265.792932] ndisc_send_rs+0x331/0x6e0 [ 265.796845] addrconf_rs_timer+0x314/0x690 [ 265.801083] ? lock_release+0x970/0x970 [ 265.805060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.809329] call_timer_fn+0x272/0x920 [ 265.813220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.817473] ? process_timeout+0x40/0x40 [ 265.821529] ? kasan_check_read+0x11/0x20 [ 265.825679] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.830094] ? trace_hardirqs_on+0x310/0x310 [ 265.834510] ? __run_timers+0x7da/0xc70 [ 265.838484] ? lock_downgrade+0x900/0x900 [ 265.842654] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.847764] ? trace_hardirqs_on+0xbd/0x310 [ 265.852105] ? kasan_check_read+0x11/0x20 [ 265.856259] ? __run_timers+0x7da/0xc70 [ 265.860238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.865694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.871261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.875501] __run_timers+0x7e5/0xc70 [ 265.879313] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.884679] ? lock_downgrade+0x900/0x900 [ 265.888861] ? finish_task_switch+0x1b5/0x900 [ 265.893363] ? trace_hardirqs_on+0xbd/0x310 [ 265.897699] ? kasan_check_read+0x11/0x20 [ 265.901855] ? finish_task_switch+0x1f5/0x900 [ 265.906353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.911823] ? compat_start_thread+0x80/0x80 [ 265.916267] ? pvclock_read_flags+0x160/0x160 [ 265.920759] ? __switch_to_asm+0x34/0x70 [ 265.924832] ? __switch_to_asm+0x34/0x70 [ 265.928895] ? __switch_to_asm+0x40/0x70 [ 265.932955] ? __switch_to_asm+0x40/0x70 [ 265.937012] ? __switch_to_asm+0x34/0x70 [ 265.941069] ? __switch_to_asm+0x40/0x70 [ 265.945135] ? trace_hardirqs_on+0xbd/0x310 [ 265.949458] ? kvm_sched_clock_read+0x9/0x20 [ 265.953872] ? run_ksoftirqd+0x94/0x100 [ 265.957849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.963391] ? check_preemption_disabled+0x48/0x200 [ 265.968408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.973954] run_timer_softirq+0x52/0xb0 [ 265.978020] ? __this_cpu_preempt_check+0x1c/0x1f [ 265.982950] __do_softirq+0x30b/0xad8 [ 265.986761] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.991868] ? schedule+0x108/0x460 [ 265.995500] ? trace_hardirqs_off+0xb8/0x310 [ 265.999910] ? smpboot_thread_fn+0x68b/0xa00 [ 266.004321] ? trace_hardirqs_on+0x310/0x310 [ 266.008730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.014271] ? check_preemption_disabled+0x48/0x200 [ 266.019318] ? takeover_tasklets+0xa90/0xa90 [ 266.023735] run_ksoftirqd+0x94/0x100 [ 266.027540] smpboot_thread_fn+0x68b/0xa00 [ 266.031776] ? sort_range+0x30/0x30 [ 266.035414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.040516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.046055] ? __kthread_parkme+0xfb/0x1a0 [ 266.050292] kthread+0x35a/0x420 [ 266.053663] ? sort_range+0x30/0x30 [ 266.057287] ? kthread_bind+0x40/0x40 [ 266.061090] ret_from_fork+0x3a/0x50 [ 266.064822] warn_alloc_show_mem: 1 callbacks suppressed [ 266.064835] CPU: 1 PID: 7575 Comm: syz-executor0 Not tainted 4.19.0-rc5+ #62 [ 266.064837] Mem-Info: [ 266.064868] active_anon:43968 inactive_anon:112 isolated_anon:0 [ 266.064868] active_file:16 inactive_file:13 isolated_file:0 [ 266.064868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.064868] slab_reclaimable:8721 slab_unreclaimable:1481391 [ 266.064868] mapped:40979 shmem:119 pagetables:629 bounce:0 [ 266.064868] free:13630 free_pcp:242 free_cma:0 [ 266.070215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.077408] Node 0 active_anon:175872kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.079849] Call Trace: [ 266.112891] Node 0 [ 266.122246] [ 266.149756] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.152333] dump_stack+0x1c4/0x2b4 [ 266.154535] lowmem_reserve[]: [ 266.156686] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.182162] 0 [ 266.185790] warn_alloc.cold.119+0xb7/0x1bd [ 266.188880] 2819 [ 266.194066] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.195848] 6323 [ 266.200191] ? lock_downgrade+0x900/0x900 [ 266.202251] 6323 [ 266.207091] ? trace_hardirqs_off+0xb8/0x310 [ 266.213273] ? trace_hardirqs_off+0xb8/0x310 [ 266.215314] Node 0 [ 266.219727] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.224135] DMA32 free:24880kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.226362] ? warn_alloc+0x120/0x120 [ 266.231169] lowmem_reserve[]: [ 266.258143] ? warn_alloc+0x120/0x120 [ 266.261924] 0 [ 266.265026] ? warn_alloc+0x120/0x120 [ 266.268810] 0 [ 266.270613] ? mark_held_locks+0x130/0x130 [ 266.274388] 3503 [ 266.276188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.280395] 3503 [ 266.282456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.290032] ? should_fail+0x22d/0xd01 [ 266.295543] Node 0 Normal free:13732kB min:37352kB low:46688kB high:56024kB active_anon:167680kB inactive_anon:448kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2516kB bounce:0kB free_pcp:720kB local_pcp:472kB free_cma:0kB [ 266.299457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.299476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.328431] lowmem_reserve[]: [ 266.333532] ? should_fail+0x22d/0xd01 [ 266.339046] 0 [ 266.342154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.346018] 0 [ 266.347834] ? should_fail+0x22d/0xd01 [ 266.352916] 0 [ 266.354718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.358585] 0 [ 266.360390] ? mark_held_locks+0x130/0x130 [ 266.367269] ? mark_held_locks+0x130/0x130 [ 266.371483] Node 0 [ 266.375715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.375718] DMA: 1*4kB [ 266.377958] ? trace_hardirqs_off+0xb8/0x310 [ 266.383471] (U) [ 266.386056] ? kasan_check_read+0x11/0x20 [ 266.390447] 0*8kB [ 266.392422] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.396548] 0*16kB [ 266.398696] ? trace_hardirqs_on+0x310/0x310 [ 266.403088] 1*32kB [ 266.405333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.409708] (U) [ 266.411944] ? wq_watchdog_touch+0x9c/0xfe [ 266.417457] 2*64kB [ 266.419434] ? io_serial_in+0x11/0x90 [ 266.423648] (U) [ 266.425883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.429664] 1*128kB [ 266.431880] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.437393] (U) [ 266.439718] __alloc_pages_nodemask+0xa80/0xde0 [ 266.444796] 1*256kB [ 266.446790] ? should_fail+0x22d/0xd01 [ 266.451447] (U) [ 266.453772] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.457637] 0*512kB [ 266.459619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.464623] 1*1024kB [ 266.466949] ? lock_downgrade+0x900/0x900 [ 266.471593] (U) [ 266.474003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.478125] 1*2048kB [ 266.480099] cache_grow_begin+0x91/0x8c0 [ 266.485614] (M) [ 266.488029] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.492067] 3*4096kB [ 266.494042] fallback_alloc+0x203/0x2e0 [ 266.498428] (M) [ 266.500845] ____cache_alloc_node+0x1c7/0x1e0 [ 266.504798] = 15908kB [ 266.506786] kmem_cache_alloc_node+0xe3/0x730 [ 266.511266] Node 0 [ 266.513676] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.518146] DMA32: [ 266.520386] __alloc_skb+0x119/0x770 [ 266.524598] 4*4kB [ 266.526841] ? skb_scrub_packet+0x490/0x490 [ 266.530532] (M) [ 266.532685] ? lock_downgrade+0x900/0x900 [ 266.536986] 0*8kB [ 266.538961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.543085] 2*16kB [ 266.545232] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.550741] (M) [ 266.552979] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.558408] 2*32kB [ 266.560383] ? addrconf_rs_timer+0x690/0x690 [ 266.565820] (M) [ 266.568056] ndisc_alloc_skb+0x144/0x340 [ 266.572441] 5*64kB [ 266.574419] ndisc_send_rs+0x331/0x6e0 [ 266.578453] (UM) [ 266.580715] addrconf_rs_timer+0x314/0x690 [ 266.584590] 3*128kB [ 266.586653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.590866] (M) [ 266.593198] call_timer_fn+0x272/0x920 [ 266.597407] 4*256kB [ 266.599382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.603252] (UM) [ 266.605579] ? process_timeout+0x40/0x40 [ 266.609789] 3*512kB [ 266.611865] ? trace_hardirqs_off+0xb8/0x310 [ 266.615901] (M) [ 266.618224] ? kasan_check_read+0x11/0x20 [ 266.622611] 3*1024kB [ 266.624591] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.628712] (UM) [ 266.631125] ? trace_hardirqs_on+0x310/0x310 [ 266.635508] 1*2048kB [ 266.637569] ? __run_timers+0x7da/0xc70 [ 266.641954] (M) [ 266.644366] ? lock_downgrade+0x900/0x900 [ 266.648317] 4*4096kB [ 266.650298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.654422] (M) [ 266.656842] ? trace_hardirqs_on+0xbd/0x310 [ 266.661925] = 24880kB [ 266.663903] ? kasan_check_read+0x11/0x20 [ 266.668204] Node 0 [ 266.670652] ? __run_timers+0x7da/0xc70 [ 266.674779] Normal: [ 266.677028] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.680980] 719*4kB [ 266.683303] ? kasan_check_write+0x14/0x20 [ 266.688730] (ME) [ 266.691057] ? do_raw_spin_lock+0xc1/0x200 [ 266.695263] 385*8kB (UME) [ 266.697344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.701558] 182*16kB [ 266.704400] __run_timers+0x7e5/0xc70 [ 266.708610] (ME) [ 266.711025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.714796] 99*32kB [ 266.716870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.722212] (UME) [ 266.724535] ? rcu_bh_qs+0xc0/0xc0 [ 266.729788] 27*64kB [ 266.731948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.735466] (UM) [ 266.737794] ? check_preemption_disabled+0x48/0x200 [ 266.743327] 0*128kB [ 266.745388] ? rcu_nmi_exit+0xdb/0x280 [ 266.750379] 0*256kB [ 266.752698] ? ret_from_intr+0xb/0x1e [ 266.756561] 0*512kB [ 266.758886] ? retint_kernel+0x2d/0x2d [ 266.762666] 0*1024kB