32.678978]  ? preempt_schedule+0x4d/0x60
[  232.683129]  ? ___preempt_schedule+0x16/0x18
[  232.687543]  ? bpf_test_run+0x271/0x7a0
[  232.691534]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.695945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.701481]  ? bpf_test_init.isra.10+0x70/0x100
[  232.706157]  ? bpf_prog_test_run_skb+0x762/0xd60
[  232.710920]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.715776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.721315]  ? fput+0x130/0x1a0
[  232.724594]  ? __bpf_prog_get+0x9b/0x290
[  232.728657]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.733500]  ? bpf_prog_test_run+0x130/0x1a0
[  232.737910]  ? __x64_sys_bpf+0x3d8/0x520
[  232.741971]  ? bpf_prog_get+0x20/0x20
[  232.745786]  ? do_syscall_64+0x1e1/0x820
[  232.749855]  ? do_syscall_64+0x1b9/0x820
[  232.753915]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  232.759279]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.764208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.769059]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.774081]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  232.779101]  ? prepare_exit_to_usermode+0x291/0x3b0
[  232.784124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.788977]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  232.794364] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  232.794433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.800857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.800863] Call Trace:
[  232.800870]  <IRQ>
[  232.800888]  dump_stack+0x244/0x39d
[  232.800907]  ? dump_stack_print_info.cold.1+0x20/0x20
[  232.800932]  warn_alloc.cold.116+0xb7/0x1bd
[  232.807488] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.816752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.819320] syz-executor5 cpuset=syz5 mems_allowed=0
[  232.821467]  ? lock_downgrade+0x900/0x900
[  232.859083]  ? trace_hardirqs_off+0xb8/0x310
[  232.863501]  ? trace_hardirqs_off+0xb8/0x310
[  232.867921]  __alloc_pages_slowpath+0x2651/0x2de0
[  232.872792]  ? warn_alloc+0x120/0x120
[  232.876598]  ? print_usage_bug+0xc0/0xc0
[  232.880662]  ? warn_alloc+0x120/0x120
[  232.884467]  ? warn_alloc+0x120/0x120
[  232.888280]  ? print_usage_bug+0xc0/0xc0
[  232.892350]  ? print_usage_bug+0xc0/0xc0
[  232.896415]  ? __lock_acquire+0x62f/0x4c20
[  232.900655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.906196]  ? should_fail+0x22d/0xd01
[  232.910097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.915204]  ? __lock_acquire+0x62f/0x4c20
[  232.919449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.924553]  ? __lock_acquire+0x62f/0x4c20
[  232.928788]  ? should_fail+0x22d/0xd01
[  232.932675]  ? find_held_lock+0x36/0x1c0
[  232.936743]  ? mark_held_locks+0x130/0x130
[  232.940987]  ? mark_held_locks+0x130/0x130
[  232.945218]  ? zap_class+0x640/0x640
[  232.948953]  ? zap_class+0x640/0x640
[  232.952667]  ? print_usage_bug+0xc0/0xc0
[  232.956728]  ? do_raw_spin_unlock+0xa7/0x330
[  232.961136]  ? zap_class+0x640/0x640
[  232.964847]  ? print_usage_bug+0xc0/0xc0
[  232.968909]  ? wq_watchdog_touch+0x9c/0xfe
[  232.973146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.978685]  ? check_preemption_disabled+0x48/0x280
[  232.983709]  ? __lock_is_held+0xb5/0x140
[  232.987779]  __alloc_pages_nodemask+0xad8/0xea0
[  232.992446]  ? zap_class+0x640/0x640
[  232.996164]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  233.001189]  ? find_held_lock+0x36/0x1c0
[  233.005275]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.009948]  ? lock_downgrade+0x900/0x900
[  233.014103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.019650]  cache_grow_begin+0xa5/0x8c0
[  233.023714]  ? do_raw_spin_unlock+0xa7/0x330
[  233.028128]  fallback_alloc+0x204/0x2e0
[  233.032110]  ____cache_alloc_node+0x1c7/0x1e0
[  233.036611]  kmem_cache_alloc_node+0xe3/0x730
[  233.041104]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.045350]  __alloc_skb+0x119/0x770
[  233.049063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.054346]  ? netdev_alloc_frag+0x1f0/0x1f0
[  233.058768]  ? lock_downgrade+0x900/0x900
[  233.062941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.068478]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.073931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.079384]  ? addrconf_rs_timer+0x690/0x690
[  233.083804]  ndisc_alloc_skb+0x144/0x340
[  233.087904]  ndisc_send_rs+0x331/0x6e0
[  233.091802]  addrconf_rs_timer+0x314/0x690
[  233.096043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.100288]  call_timer_fn+0x272/0x920
[  233.104174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.108407]  ? process_timeout+0x40/0x40
[  233.112477]  ? mark_held_locks+0xc7/0x130
[  233.116626]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.121132]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.125653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.129891]  ? lockdep_hardirqs_on+0x296/0x5b0
[  233.134479]  ? trace_hardirqs_on+0xbd/0x310
[  233.138801]  ? kasan_check_read+0x11/0x20
[  233.142976]  ? __run_timers+0x7da/0xc70
[  233.146968]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.152077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.156320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.160554]  __run_timers+0x7e5/0xc70
[  233.164365]  ? timer_fixup_init+0x70/0x70
[  233.168531]  ? kasan_check_read+0x11/0x20
[  233.172694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.177972]  ? rcu_softirq_qs+0x20/0x20
[  233.181953]  ? mark_held_locks+0xc7/0x130
[  233.186104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.190864]  ? retint_kernel+0x2d/0x2d
[  233.194753]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.199683]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.204440]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.209890]  ? zap_class+0x640/0x640
[  233.213608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.219147]  ? check_preemption_disabled+0x48/0x280
[  233.224175]  ? __lock_is_held+0xb5/0x140
[  233.228244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.233788]  ? check_preemption_disabled+0x48/0x280
[  233.238809]  run_timer_softirq+0x52/0xb0
[  233.242871]  ? rcu_read_lock_sched_held+0x14f/0x180
[  233.247890]  __do_softirq+0x308/0xb7e
[  233.251693]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  233.256185]  ? lock_downgrade+0x900/0x900
[  233.260338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  233.265448]  ? pvclock_read_flags+0x160/0x160
[  233.269950]  ? lapic_next_event+0x5a/0x90
[  233.274110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.279649]  ? kvm_clock_read+0x18/0x30
[  233.283621]  ? kvm_sched_clock_read+0x9/0x20
[  233.288032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.293570]  ? check_preemption_disabled+0x48/0x280
[  233.298597]  irq_exit+0x17f/0x1c0
[  233.302052]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.306896]  ? smp_reschedule_interrupt+0x109/0x650
[  233.311912]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.317797]  ? interrupt_entry+0xb5/0xc0
[  233.321861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.326875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.331893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.336740]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.341757]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.346772]  ? task_prio+0x50/0x50
[  233.350317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.355854]  ? check_preemption_disabled+0x48/0x280
[  233.360876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.365725]  apic_timer_interrupt+0xf/0x20
[  233.369955]  </IRQ>
[  233.372197] RIP: 0010:dump_stack+0x358/0x39d
[  233.376618] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  233.395519] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  233.403234] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  233.410505] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  233.417776] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  233.425045] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  233.432310] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  233.439598]  ? dump_stack+0x34f/0x39d
[  233.443415]  ? dump_stack_print_info.cold.1+0x20/0x20
[  233.448610]  ? mark_held_locks+0x130/0x130
[  233.452844]  ? mark_held_locks+0x130/0x130
[  233.457084]  dump_header+0x27b/0xf72
[  233.460810]  ? pagefault_out_of_memory+0x197/0x197
[  233.465746]  ? __lock_acquire+0x62f/0x4c20
[  233.469980]  ? percpu_ref_get_many+0x240/0x240
[  233.474564]  ? print_usage_bug+0xc0/0xc0
[  233.478628]  ? zap_class+0x640/0x640
[  233.482343]  ? print_usage_bug+0xc0/0xc0
[  233.486402]  ? print_usage_bug+0xc0/0xc0
[  233.490467]  ? zap_class+0x640/0x640
[  233.494189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.499730]  ? find_held_lock+0x36/0x1c0
[  233.503799]  ? mark_held_locks+0xc7/0x130
[  233.507948]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  233.513053]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  233.518157]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  233.522742]  ? trace_hardirqs_on+0xbd/0x310
[  233.527061]  ? kasan_check_read+0x11/0x20
[  233.531208]  ? ___ratelimit+0x3b4/0x672
[  233.535195]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.540303]  ? trace_hardirqs_on+0x310/0x310
[  233.544716]  ? lock_downgrade+0x900/0x900
[  233.548867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.553974]  ? ___ratelimit+0x3b9/0x672
[  233.557954]  ? idr_get_free+0xf70/0xf70
[  233.561930]  ? find_held_lock+0x36/0x1c0
[  233.566001]  oom_kill_process.cold.27+0x10/0x903
[  233.570757]  ? zap_class+0x640/0x640
[  233.574474]  ? check_preemption_disabled+0x48/0x280
[  233.579495]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.584421]  ? kasan_check_read+0x11/0x20
[  233.588567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.593864]  ? oom_evaluate_task+0x540/0x540
[  233.598279]  ? find_held_lock+0x36/0x1c0
[  233.602351]  ? out_of_memory+0x974/0x1430
[  233.606501]  ? lock_downgrade+0x900/0x900
[  233.610662]  ? check_preemption_disabled+0x48/0x280
[  233.615684]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.620619]  ? kasan_check_read+0x11/0x20
[  233.624773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.630048]  ? rcu_softirq_qs+0x20/0x20
[  233.634027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.639562]  ? oom_evaluate_task+0x302/0x540
[  233.643975]  out_of_memory+0xa84/0x1430
[  233.647956]  ? oom_killer_disable+0x3a0/0x3a0
[  233.652466]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  233.657400]  ? __ww_mutex_check_waiters+0x160/0x160
[  233.662428]  __alloc_pages_slowpath+0x232c/0x2de0
[  233.667306]  ? warn_alloc+0x120/0x120
[  233.671105]  ? mark_held_locks+0x130/0x130
[  233.675346]  ? find_get_entry+0xaae/0x1120
[  233.679591]  ? filemap_map_pages+0x1a20/0x1a20
[  233.684194]  ? zap_class+0x640/0x640
[  233.687923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.693465]  ? check_preemption_disabled+0x48/0x280
[  233.698480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.704015]  ? should_fail+0x22d/0xd01
[  233.707904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.713010]  ? zap_class+0x640/0x640
[  233.716751]  ? __lock_is_held+0xb5/0x140
[  233.720817]  ? mark_held_locks+0x130/0x130
[  233.725053]  ? lock_release+0xa00/0xa00
[  233.729031]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.734481]  ? xa_load+0x2ba/0x460
[  233.738021]  ? lock_downgrade+0x900/0x900
[  233.742174]  ? __might_sleep+0x95/0x190
[  233.746152]  __alloc_pages_nodemask+0xad8/0xea0
[  233.750826]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  233.755844]  ? __page_cache_alloc+0x191/0x5c0
[  233.760342]  ? xa_load+0x2e1/0x460
[  233.763886]  ? xa_clear_mark+0x40/0x40
[  233.767780]  ? zap_class+0x640/0x640
[  233.771500]  ? zap_class+0x640/0x640
[  233.775214]  ? zap_class+0x640/0x640
[  233.778939]  ? __do_page_cache_readahead+0x663/0x810
[  233.784047]  ? find_held_lock+0x36/0x1c0
[  233.788115]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  233.793664]  alloc_pages_current+0x173/0x350
[  233.798084]  __page_cache_alloc+0x38c/0x5c0
[  233.802409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.807340]  ? kasan_check_read+0x11/0x20
[  233.811489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.816767]  ? generic_perform_write+0x6a0/0x6a0
[  233.821531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.827069]  ? check_preemption_disabled+0x48/0x280
[  233.832093]  filemap_fault+0x1595/0x25f0
[  233.836166]  ? __lock_page_or_retry+0xa00/0xa00
[  233.840835]  ? mark_held_locks+0x130/0x130
[  233.845082]  ? filemap_map_pages+0xd6b/0x1a20
[  233.849578]  ? lock_downgrade+0x900/0x900
[  233.853725]  ? check_preemption_disabled+0x48/0x280
[  233.858743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.863670]  ? kasan_check_read+0x11/0x20
[  233.867819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.873097]  ? rcu_softirq_qs+0x20/0x20
[  233.877087]  ? filemap_map_pages+0xd92/0x1a20
[  233.881595]  ? find_get_entries_tag+0x1400/0x1400
[  233.886464]  ? lock_acquire+0x1ed/0x520
[  233.890443]  ? ext4_filemap_fault+0x7a/0xad
[  233.894770]  ? lock_release+0xa00/0xa00
[  233.898742]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.904195]  ? mark_held_locks+0x130/0x130
[  233.908438]  ? print_usage_bug+0xc0/0xc0
[  233.912500]  ? print_usage_bug+0xc0/0xc0
[  233.916576]  ? down_read+0x8d/0x120
[  233.920199]  ? ext4_filemap_fault+0x7a/0xad
[  233.924531]  ? __down_interruptible+0x700/0x700
[  233.929208]  ext4_filemap_fault+0x82/0xad
[  233.933369]  __do_fault+0x100/0x6b0
[  233.937011]  ? pmd_devmap_trans_unstable+0x220/0x220
[  233.942121]  ? mark_held_locks+0x130/0x130
[  233.946356]  ? mark_held_locks+0x130/0x130
[  233.950596]  ? hrtimer_forward+0x2a0/0x2a0
[  233.954827]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  233.959670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.965213]  __handle_mm_fault+0x3ea6/0x5be0
[  233.969644]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  233.974489]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  233.979593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  233.984697]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  233.989286]  ? trace_hardirqs_on+0xbd/0x310
[  233.993607]  ? kasan_check_read+0x11/0x20
[  233.997850]  ? __free_object+0x173/0x340
[  234.001925]  ? zap_class+0x640/0x640
[  234.005642]  ? zap_class+0x640/0x640
[  234.009353]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.014462]  ? find_held_lock+0x36/0x1c0
[  234.018532]  ? handle_mm_fault+0x42a/0xc70
[  234.022773]  ? lock_downgrade+0x900/0x900
[  234.026920]  ? check_preemption_disabled+0x48/0x280
[  234.031943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  234.036873]  ? kasan_check_read+0x11/0x20
[  234.041019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.046295]  ? rcu_softirq_qs+0x20/0x20
[  234.050272]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.055382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.060919]  ? check_preemption_disabled+0x48/0x280
[  234.065943]  handle_mm_fault+0x54f/0xc70
[  234.070012]  ? __handle_mm_fault+0x5be0/0x5be0
[  234.074600]  ? find_vma+0x34/0x190
[  234.078167]  __do_page_fault+0x5e8/0xe60
[  234.082235]  ? trace_hardirqs_off+0xb8/0x310
[  234.086657]  do_page_fault+0xf2/0x7e0
[  234.090457]  ? vmalloc_sync_all+0x30/0x30
[  234.094606]  ? error_entry+0x70/0xd0
[  234.098321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.103339]  ? trace_hardirqs_on_caller+0xc0/0x310
[  234.108270]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.113201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.118054]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.123072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.128525]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.133542]  ? prepare_exit_to_usermode+0x291/0x3b0
[  234.138562]  ? page_fault+0x8/0x30
[  234.142105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.146952]  ? page_fault+0x8/0x30
[  234.150491]  page_fault+0x1e/0x30
[  234.153940] RIP: 0033:0x7f4afc2d3e40
[  234.157669] Code: Bad RIP value.
[  234.161027] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  234.166391] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  234.173657] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  234.180924] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  234.188194] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  234.195467] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  234.202757] warn_alloc_show_mem: 1 callbacks suppressed
[  234.202769] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  234.202770] Mem-Info:
[  234.202802] active_anon:57379 inactive_anon:189 isolated_anon:0
[  234.202802]  active_file:13 inactive_file:16 isolated_file:0
[  234.202802]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.202802]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  234.202802]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  234.202802]  free:13771 free_pcp:208 free_cma:0
[  234.208137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.215501] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.217896] Call Trace:
[  234.250768] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.260122]  <IRQ>
[  234.287615] lowmem_reserve[]: 0 2818 6321 6321
[  234.290212]  dump_stack+0x244/0x39d
[  234.316294] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  234.318453]  ? dump_stack_print_info.cold.1+0x20/0x20
[  234.322998] lowmem_reserve[]: 0 0 3503 3503
[  234.326624]  warn_alloc.cold.116+0xb7/0x1bd
[  234.354181] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  234.359367]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.363661] lowmem_reserve[]: 0 0 0 0
[  234.368109]  ? lock_downgrade+0x900/0x900
[  234.396979] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  234.401824]  ? trace_hardirqs_off+0xb8/0x310
[  234.405597] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  234.409753]  ? trace_hardirqs_off+0xb8/0x310
[  234.423264] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  234.427669]  __alloc_pages_slowpath+0x2651/0x2de0
[  234.443180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  234.447597]  ? warn_alloc+0x120/0x120
[  234.462119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  234.466949]  ? print_usage_bug+0xc0/0xc0
[  234.475761] 273 total pagecache pages
[  234.479553]  ? warn_alloc+0x120/0x120
[  234.488113] 0 pages in swap cache
[  234.492159]  ? warn_alloc+0x120/0x120
[  234.496039] Swap cache stats: add 0, delete 0, find 0/0
[  234.496048] Free swap  = 0kB
[  234.499844]  ? print_usage_bug+0xc0/0xc0
[  234.503274] Total swap = 0kB
[  234.507069]  ? kvm_clock_read+0x18/0x30
[  234.512408] 1965979 pages RAM
[  234.515425]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  234.519457] 0 pages HighMem/MovableOnly
[  234.522469]  ? print_usage_bug+0xc0/0xc0
[  234.526421] 342853 pages reserved
[  234.529520]  ? __lock_acquire+0x62f/0x4c20
[  234.534512] 0 pages cma reserved
[  234.538479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.542573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.545957]  ? should_fail+0x22d/0xd01
[  234.545970]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.545990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.550307] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.553599]  ? __lock_acquire+0x62f/0x4c20
[  234.559111] cron cpuset=/ mems_allowed=0
[  234.565594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.602835]  ? __lock_acquire+0x62f/0x4c20
[  234.607072]  ? should_fail+0x22d/0xd01
[  234.610957]  ? rcu_irq_exit+0x1a2/0x390
[  234.614940]  ? mark_held_locks+0x130/0x130
[  234.619177]  ? mark_held_locks+0x130/0x130
[  234.623424]  ? mark_held_locks+0xc7/0x130
[  234.627574]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  234.632593]  ? zap_class+0x640/0x640
[  234.636305]  ? print_usage_bug+0xc0/0xc0
[  234.640378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.645921]  ? check_preemption_disabled+0x48/0x280
[  234.650944]  ? __lock_is_held+0xb5/0x140
[  234.655013]  __alloc_pages_nodemask+0xad8/0xea0
[  234.659679]  ? zap_class+0x640/0x640
[  234.663400]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  234.668430]  ? find_held_lock+0x36/0x1c0
[  234.672499]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.677167]  ? lock_downgrade+0x900/0x900
[  234.681322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.686867]  cache_grow_begin+0xa5/0x8c0
[  234.690932]  ? do_raw_spin_unlock+0xa7/0x330
[  234.695350]  fallback_alloc+0x204/0x2e0
[  234.699329]  ____cache_alloc_node+0x1c7/0x1e0
[  234.703830]  kmem_cache_alloc_node+0xe3/0x730
[  234.708325]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.712570]  __alloc_skb+0x119/0x770
[  234.716283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.721563]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.725971]  ? lock_downgrade+0x900/0x900
[  234.730126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.735664]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.741117]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.746571]  ? addrconf_rs_timer+0x690/0x690
[  234.750994]  ndisc_alloc_skb+0x144/0x340
[  234.755060]  ndisc_send_rs+0x331/0x6e0
[  234.758982]  addrconf_rs_timer+0x314/0x690
[  234.763234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.767479]  call_timer_fn+0x272/0x920
[  234.771364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.775597]  ? process_timeout+0x40/0x40
[  234.779691]  ? __run_timers+0x7da/0xc70
[  234.783667]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.788164]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.792660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.796898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  234.801482]  ? trace_hardirqs_on+0xbd/0x310
[  234.805801]  ? kasan_check_read+0x11/0x20
[  234.809944]  ? __run_timers+0x7da/0xc70
[  234.813922]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.819030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.823273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.827508]  __run_timers+0x7e5/0xc70
[  234.831322]  ? timer_fixup_init+0x70/0x70
[  234.835473]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.840501]  ? zap_class+0x640/0x640
[  234.844237]  ? enqueue_hrtimer+0x1a5/0x560
[  234.848477]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.853676]  ? find_held_lock+0x36/0x1c0
[  234.857742]  ? zap_class+0x640/0x640
[  234.861466]  ? pvclock_read_flags+0x160/0x160
[  234.865963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.871505]  ? check_preemption_disabled+0x48/0x280
[  234.876529]  ? __lock_is_held+0xb5/0x140
[  234.880592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.886133]  ? check_preemption_disabled+0x48/0x280
[  234.891161]  run_timer_softirq+0x52/0xb0
[  234.895231]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.900259]  __do_softirq+0x308/0xb7e
[  234.904068]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  234.908571]  ? lock_downgrade+0x900/0x900
[  234.912723]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.917840]  ? pvclock_read_flags+0x160/0x160
[  234.922339]  ? lapic_next_event+0x5a/0x90
[  234.926490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.932031]  ? kvm_clock_read+0x18/0x30
[  234.936007]  ? kvm_sched_clock_read+0x9/0x20
[  234.940418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.945960]  ? check_preemption_disabled+0x48/0x280
[  234.950990]  irq_exit+0x17f/0x1c0
[  234.954467]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.959310]  ? smp_reschedule_interrupt+0x109/0x650
[  234.964330]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.970214]  ? interrupt_entry+0xb5/0xc0
[  234.974285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.979305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.984325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.989172]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.994188]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.999204]  ? task_prio+0x50/0x50
[  235.002761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.008301]  ? check_preemption_disabled+0x48/0x280
[  235.013323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.018173]  apic_timer_interrupt+0xf/0x20
[  235.022404]  </IRQ>
[  235.024642] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  235.029573] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  235.048478] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  235.056184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  235.063452] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  235.070722] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  235.077992] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  235.085257] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  235.092570]  skb_clone+0x1bb/0x500
[  235.096110]  ? finish_task_switch+0x1b4/0x910
[  235.100610]  ? skb_split+0x11e0/0x11e0
[  235.104500]  ? preempt_notifier_register+0x200/0x200
[  235.109601]  ? __switch_to_asm+0x34/0x70
[  235.113660]  ? __switch_to_asm+0x34/0x70
[  235.117716]  ? __switch_to_asm+0x40/0x70
[  235.121777]  ? __switch_to_asm+0x34/0x70
[  235.125836]  ? __switch_to_asm+0x40/0x70
[  235.129892]  ? __switch_to_asm+0x34/0x70
[  235.133949]  ? __switch_to_asm+0x40/0x70
[  235.138005]  ? __switch_to_asm+0x34/0x70
[  235.142070]  ? __switch_to_asm+0x34/0x70
[  235.146130]  ? __switch_to_asm+0x40/0x70
[  235.150188]  ? __switch_to_asm+0x34/0x70
[  235.154259]  bpf_clone_redirect+0xb9/0x490
[  235.158495]  ? __schedule+0x8d7/0x21d0
[  235.162392]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  235.167424]  ? __sched_text_start+0x8/0x8
[  235.171573]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.176331]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  235.180913]  ? retint_kernel+0x2d/0x2d
[  235.184804]  ? find_held_lock+0x36/0x1c0
[  235.188871]  ? lock_acquire+0x1ed/0x520
[  235.192845]  ? bpf_test_run+0x3ee/0x7a0
[  235.196821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.202361]  ? check_preemption_disabled+0x48/0x280
[  235.207381]  ? kasan_check_read+0x11/0x20
[  235.211530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.216803]  ? rcu_softirq_qs+0x20/0x20
[  235.220781]  ? preempt_schedule+0x4d/0x60
[  235.224931]  ? ___preempt_schedule+0x16/0x18
[  235.229360]  ? bpf_test_run+0x271/0x7a0
[  235.233346]  ? netlink_diag_dump+0x2a0/0x2a0
[  235.237761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.243297]  ? bpf_test_init.isra.10+0x70/0x100
[  235.247979]  ? bpf_prog_test_run_skb+0x762/0xd60
[  235.252745]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  235.257605]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.263148]  ? fput+0x130/0x1a0
[  235.266432]  ? __bpf_prog_get+0x9b/0x290
[  235.270498]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  235.275340]  ? bpf_prog_test_run+0x130/0x1a0
[  235.279761]  ? __x64_sys_bpf+0x3d8/0x520
[  235.283823]  ? bpf_prog_get+0x20/0x20
[  235.287634]  ? do_syscall_64+0x1e1/0x820
[  235.291700]  ? do_syscall_64+0x1b9/0x820
[  235.295769]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  235.301138]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.306066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.310911]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.315929]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  235.320948]  ? prepare_exit_to_usermode+0x291/0x3b0
[  235.325972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.330825]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  235.336210] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  235.336289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.342714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.342724] Call Trace:
[  235.349299] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.358556]  <IRQ>
[  235.361127] syz-executor5 cpuset=syz5 mems_allowed=0
[  235.371610]  dump_stack+0x244/0x39d
[  235.382446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  235.387649]  warn_alloc.cold.116+0xb7/0x1bd
[  235.391971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.396819]  ? lock_downgrade+0x900/0x900
[  235.400977]  ? trace_hardirqs_off+0xb8/0x310
[  235.405391]  ? trace_hardirqs_off+0xb8/0x310
[  235.409807]  __alloc_pages_slowpath+0x2651/0x2de0
[  235.414677]  ? warn_alloc+0x120/0x120
[  235.418486]  ? print_usage_bug+0xc0/0xc0
[  235.422553]  ? warn_alloc+0x120/0x120
[  235.426360]  ? warn_alloc+0x120/0x120
[  235.430163]  ? print_usage_bug+0xc0/0xc0
[  235.434244]  ? print_usage_bug+0xc0/0xc0
[  235.438311]  ? __lock_acquire+0x62f/0x4c20
[  235.442562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.448103]  ? should_fail+0x22d/0xd01
[  235.451998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.457107]  ? __lock_acquire+0x62f/0x4c20
[  235.461346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.466449]  ? __lock_acquire+0x62f/0x4c20
[  235.470687]  ? should_fail+0x22d/0xd01
[  235.474576]  ? find_held_lock+0x36/0x1c0
[  235.478651]  ? mark_held_locks+0x130/0x130
[  235.482891]  ? mark_held_locks+0x130/0x130
[  235.487128]  ? zap_class+0x640/0x640
[  235.490843]  ? zap_class+0x640/0x640
[  235.494561]  ? print_usage_bug+0xc0/0xc0
[  235.498622]  ? do_raw_spin_unlock+0xa7/0x330
[  235.503028]  ? zap_class+0x640/0x640
[  235.506740]  ? print_usage_bug+0xc0/0xc0
[  235.510810]  ? wq_watchdog_touch+0x9c/0xfe
[  235.515050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.520587]  ? check_preemption_disabled+0x48/0x280
[  235.525612]  ? __lock_is_held+0xb5/0x140
[  235.529679]  __alloc_pages_nodemask+0xad8/0xea0
[  235.534351]  ? zap_class+0x640/0x640
[  235.538069]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  235.543097]  ? find_held_lock+0x36/0x1c0
[  235.547169]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.551842]  ? lock_downgrade+0x900/0x900
[  235.556000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.561541]  cache_grow_begin+0xa5/0x8c0
[  235.565604]  ? do_raw_spin_unlock+0xa7/0x330
[  235.570019]  fallback_alloc+0x204/0x2e0
[  235.574000]  ____cache_alloc_node+0x1c7/0x1e0
[  235.578505]  kmem_cache_alloc_node+0xe3/0x730
[  235.583002]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.587259]  __alloc_skb+0x119/0x770
[  235.590978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.596269]  ? netdev_alloc_frag+0x1f0/0x1f0
[  235.600678]  ? lock_downgrade+0x900/0x900
[  235.604836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.610376]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.615831]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.621286]  ? addrconf_rs_timer+0x690/0x690
[  235.625705]  ndisc_alloc_skb+0x144/0x340
[  235.629772]  ndisc_send_rs+0x331/0x6e0
[  235.633664]  addrconf_rs_timer+0x314/0x690
[  235.637905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.642151]  call_timer_fn+0x272/0x920
[  235.646047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.650285]  ? process_timeout+0x40/0x40
[  235.654359]  ? mark_held_locks+0xc7/0x130
[  235.658507]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.663002]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.667493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.671735]  ? lockdep_hardirqs_on+0x296/0x5b0
[  235.676321]  ? trace_hardirqs_on+0xbd/0x310
[  235.680643]  ? kasan_check_read+0x11/0x20
[  235.684789]  ? __run_timers+0x7da/0xc70
[  235.688763]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.693874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.698115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.702349]  __run_timers+0x7e5/0xc70
[  235.706157]  ? timer_fixup_init+0x70/0x70
[  235.710309]  ? kasan_check_read+0x11/0x20
[  235.714460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.719734]  ? rcu_softirq_qs+0x20/0x20
[  235.723740]  ? mark_held_locks+0xc7/0x130
[  235.727897]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.732661]  ? retint_kernel+0x2d/0x2d
[  235.736551]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.741486]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.746253]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.751709]  ? zap_class+0x640/0x640
[  235.755437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.760981]  ? check_preemption_disabled+0x48/0x280
[  235.766012]  ? __lock_is_held+0xb5/0x140
[  235.770080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.775623]  ? check_preemption_disabled+0x48/0x280
[  235.780649]  run_timer_softirq+0x52/0xb0
[  235.784711]  ? rcu_read_lock_sched_held+0x14f/0x180
[  235.789732]  __do_softirq+0x308/0xb7e
[  235.793539]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.798036]  ? lock_downgrade+0x900/0x900
[  235.802188]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  235.807303]  ? pvclock_read_flags+0x160/0x160
[  235.811802]  ? lapic_next_event+0x5a/0x90
[  235.815952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.821497]  ? kvm_clock_read+0x18/0x30
[  235.825471]  ? kvm_sched_clock_read+0x9/0x20
[  235.829883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.835421]  ? check_preemption_disabled+0x48/0x280
[  235.840447]  irq_exit+0x17f/0x1c0
[  235.843903]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.848749]  ? smp_reschedule_interrupt+0x109/0x650
[  235.853770]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.859653]  ? interrupt_entry+0xb5/0xc0
[  235.863716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.868731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.873751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.878597]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.883610]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.888625]  ? task_prio+0x50/0x50
[  235.892170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.897712]  ? check_preemption_disabled+0x48/0x280
[  235.902769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.907620]  apic_timer_interrupt+0xf/0x20
[  235.911849]  </IRQ>
[  235.914087] RIP: 0010:dump_stack+0x358/0x39d
[  235.918496] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  235.937400] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  235.945128] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  235.952400] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  235.959667] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  235.966934] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  235.974202] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  235.981507]  ? dump_stack+0x34f/0x39d
[  235.985322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  235.990518]  ? mark_held_locks+0x130/0x130
[  235.994753]  ? mark_held_locks+0x130/0x130
[  235.998994]  dump_header+0x27b/0xf72
[  236.002724]  ? pagefault_out_of_memory+0x197/0x197
[  236.007660]  ? __lock_acquire+0x62f/0x4c20
[  236.011896]  ? percpu_ref_get_many+0x240/0x240
[  236.016485]  ? print_usage_bug+0xc0/0xc0
[  236.020556]  ? zap_class+0x640/0x640
[  236.024280]  ? print_usage_bug+0xc0/0xc0
[  236.028338]  ? print_usage_bug+0xc0/0xc0
[  236.032403]  ? zap_class+0x640/0x640
[  236.036126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.041668]  ? find_held_lock+0x36/0x1c0
[  236.045741]  ? mark_held_locks+0xc7/0x130
[  236.049891]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  236.054997]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  236.060102]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  236.064686]  ? trace_hardirqs_on+0xbd/0x310
[  236.069012]  ? kasan_check_read+0x11/0x20
[  236.073163]  ? ___ratelimit+0x3b4/0x672
[  236.077139]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.082257]  ? trace_hardirqs_on+0x310/0x310
[  236.086672]  ? lock_downgrade+0x900/0x900
[  236.090828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.095932]  ? ___ratelimit+0x3b9/0x672
[  236.099909]  ? idr_get_free+0xf70/0xf70
[  236.103883]  ? find_held_lock+0x36/0x1c0
[  236.107959]  oom_kill_process.cold.27+0x10/0x903
[  236.112716]  ? zap_class+0x640/0x640
[  236.116430]  ? check_preemption_disabled+0x48/0x280
[  236.121453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.126383]  ? kasan_check_read+0x11/0x20
[  236.130533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.135819]  ? oom_evaluate_task+0x540/0x540
[  236.140244]  ? find_held_lock+0x36/0x1c0
[  236.144323]  ? out_of_memory+0x974/0x1430
[  236.148474]  ? lock_downgrade+0x900/0x900
[  236.152626]  ? check_preemption_disabled+0x48/0x280
[  236.157645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.162577]  ? kasan_check_read+0x11/0x20
[  236.166730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.172006]  ? rcu_softirq_qs+0x20/0x20
[  236.175990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.181526]  ? oom_evaluate_task+0x302/0x540
[  236.185937]  out_of_memory+0xa84/0x1430
[  236.189923]  ? oom_killer_disable+0x3a0/0x3a0
[  236.194416]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  236.199352]  ? __ww_mutex_check_waiters+0x160/0x160
[  236.204379]  __alloc_pages_slowpath+0x232c/0x2de0
[  236.209261]  ? warn_alloc+0x120/0x120
[  236.213066]  ? mark_held_locks+0x130/0x130
[  236.217307]  ? find_get_entry+0xaae/0x1120
[  236.221553]  ? filemap_map_pages+0x1a20/0x1a20
[  236.226203]  ? zap_class+0x640/0x640
[  236.229932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.235472]  ? check_preemption_disabled+0x48/0x280
[  236.240504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.246047]  ? should_fail+0x22d/0xd01
[  236.249940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.255048]  ? zap_class+0x640/0x640
[  236.258788]  ? __lock_is_held+0xb5/0x140
[  236.262855]  ? mark_held_locks+0x130/0x130
[  236.267092]  ? lock_release+0xa00/0xa00
[  236.271067]  ? perf_trace_sched_process_exec+0x860/0x860
[  236.276519]  ? xa_load+0x2ba/0x460
[  236.280064]  ? lock_downgrade+0x900/0x900
[  236.284216]  ? __might_sleep+0x95/0x190
[  236.288208]  __alloc_pages_nodemask+0xad8/0xea0
[  236.292900]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  236.297921]  ? __page_cache_alloc+0x191/0x5c0
[  236.302420]  ? xa_load+0x2e1/0x460
[  236.305968]  ? xa_clear_mark+0x40/0x40
[  236.309860]  ? zap_class+0x640/0x640
[  236.313580]  ? zap_class+0x640/0x640
[  236.317291]  ? zap_class+0x640/0x640
[  236.321003]  ? __do_page_cache_readahead+0x663/0x810
[  236.326109]  ? find_held_lock+0x36/0x1c0
[  236.330178]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  236.335720]  alloc_pages_current+0x173/0x350
[  236.340137]  __page_cache_alloc+0x38c/0x5c0
[  236.344459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.349388]  ? kasan_check_read+0x11/0x20
[  236.353534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.358813]  ? generic_perform_write+0x6a0/0x6a0
[  236.363570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.369597]  ? check_preemption_disabled+0x48/0x280
[  236.374626]  filemap_fault+0x1595/0x25f0
[  236.378699]  ? __lock_page_or_retry+0xa00/0xa00
[  236.383370]  ? mark_held_locks+0x130/0x130
[  236.387614]  ? filemap_map_pages+0xd6b/0x1a20
[  236.392113]  ? lock_downgrade+0x900/0x900
[  236.396266]  ? check_preemption_disabled+0x48/0x280
[  236.401288]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.406215]  ? kasan_check_read+0x11/0x20
[  236.410375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.415652]  ? rcu_softirq_qs+0x20/0x20
[  236.419638]  ? filemap_map_pages+0xd92/0x1a20
[  236.424144]  ? find_get_entries_tag+0x1400/0x1400
[  236.429011]  ? lock_acquire+0x1ed/0x520
[  236.432984]  ? ext4_filemap_fault+0x7a/0xad
[  236.437311]  ? lock_release+0xa00/0xa00
[  236.441287]  ? perf_trace_sched_process_exec+0x860/0x860
[  236.446737]  ? mark_held_locks+0x130/0x130
[  236.450977]  ? print_usage_bug+0xc0/0xc0
[  236.455040]  ? print_usage_bug+0xc0/0xc0
[  236.459114]  ? down_read+0x8d/0x120
[  236.462736]  ? ext4_filemap_fault+0x7a/0xad
[  236.467056]  ? __down_interruptible+0x700/0x700
[  236.471734]  ext4_filemap_fault+0x82/0xad
[  236.475894]  __do_fault+0x100/0x6b0
[  236.479536]  ? pmd_devmap_trans_unstable+0x220/0x220
[  236.484647]  ? mark_held_locks+0x130/0x130
[  236.488883]  ? mark_held_locks+0x130/0x130
[  236.493127]  ? hrtimer_forward+0x2a0/0x2a0
[  236.497545]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  236.502393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.507937]  __handle_mm_fault+0x3ea6/0x5be0
[  236.512358]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  236.517202]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  236.522314]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  236.527416]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  236.532029]  ? trace_hardirqs_on+0xbd/0x310
[  236.536349]  ? kasan_check_read+0x11/0x20
[  236.540500]  ? __free_object+0x173/0x340
[  236.544571]  ? zap_class+0x640/0x640
[  236.548284]  ? zap_class+0x640/0x640
[  236.551997]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.557109]  ? find_held_lock+0x36/0x1c0
[  236.561179]  ? handle_mm_fault+0x42a/0xc70
[  236.565413]  ? lock_downgrade+0x900/0x900
[  236.569559]  ? check_preemption_disabled+0x48/0x280
[  236.574589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.579521]  ? kasan_check_read+0x11/0x20
[  236.583671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.588945]  ? rcu_softirq_qs+0x20/0x20
[  236.592922]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.598026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.603569]  ? check_preemption_disabled+0x48/0x280
[  236.608597]  handle_mm_fault+0x54f/0xc70
[  236.612661]  ? __handle_mm_fault+0x5be0/0x5be0
[  236.617258]  ? find_vma+0x34/0x190
[  236.620803]  __do_page_fault+0x5e8/0xe60
[  236.624862]  ? trace_hardirqs_off+0xb8/0x310
[  236.629283]  do_page_fault+0xf2/0x7e0
[  236.633087]  ? vmalloc_sync_all+0x30/0x30
[  236.637244]  ? error_entry+0x70/0xd0
[  236.640975]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.645994]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.650928]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.655854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.660702]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.665721]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.671171]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.676187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.681201]  ? page_fault+0x8/0x30
[  236.684754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.689597]  ? page_fault+0x8/0x30
[  236.693142]  page_fault+0x1e/0x30
[  236.696591] RIP: 0033:0x7f4afc2d3e40
[  236.700316] Code: Bad RIP value.
[  236.703680] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  236.709037] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  236.716304] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  236.723568] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  236.730842] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  236.738107] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  236.745412] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  236.745418] warn_alloc_show_mem: 1 callbacks suppressed
[  236.745425] Mem-Info:
[  236.752783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.758153] active_anon:57379 inactive_anon:189 isolated_anon:0
[  236.758153]  active_file:13 inactive_file:16 isolated_file:0
[  236.758153]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.758153]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  236.758153]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  236.758153]  free:13771 free_pcp:208 free_cma:0
[  236.760524] Call Trace:
[  236.769916] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.802768]  <IRQ>
[  236.805339] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.832844]  dump_stack+0x244/0x39d
[  236.834971] lowmem_reserve[]: 0 2818 6321 6321
[  236.861088]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.864680] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.869270]  warn_alloc.cold.116+0xb7/0x1bd
[  236.874431] lowmem_reserve[]: 0 0 3503 3503
[  236.902020]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.906320] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  236.910641]  ? lock_downgrade+0x900/0x900
[  236.915457] lowmem_reserve[]: 0 0 0 0
[  236.944343]  ? trace_hardirqs_off+0xb8/0x310
[  236.948462] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  236.952265]  ? trace_hardirqs_off+0xb8/0x310
[  236.956646] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  236.970166]  __alloc_pages_slowpath+0x2651/0x2de0
[  236.974545] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  236.989995]  ? warn_alloc+0x120/0x120
[  236.994796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  237.009349]  ? print_usage_bug+0xc0/0xc0
[  237.013131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  237.021953]  ? warn_alloc+0x120/0x120
[  237.025987] 273 total pagecache pages
[  237.034555]  ? warn_alloc+0x120/0x120
[  237.038335] 0 pages in swap cache
[  237.042123]  ? print_usage_bug+0xc0/0xc0
[  237.045900] Swap cache stats: add 0, delete 0, find 0/0
[  237.049345]  ? kvm_clock_read+0x18/0x30
[  237.053378] Free swap  = 0kB
[  237.058733]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  237.062682] Total swap = 0kB
[  237.065696]  ? print_usage_bug+0xc0/0xc0
[  237.070685] 1965979 pages RAM
[  237.073695]  ? __lock_acquire+0x62f/0x4c20
[  237.077730] 0 pages HighMem/MovableOnly
[  237.080836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.085042] 342853 pages reserved
[  237.089006]  ? should_fail+0x22d/0xd01
[  237.094515] 0 pages cma reserved
[  237.097958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.101877] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.105178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.105194]  ? __lock_acquire+0x62f/0x4c20
[  237.105212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.110531] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.116961]  ? __lock_acquire+0x62f/0x4c20
[  237.122041] cron cpuset=/ mems_allowed=0
[  237.126264]  ? should_fail+0x22d/0xd01
[  237.126279]  ? rcu_irq_exit+0x1a2/0x390
[  237.157158]  ? mark_held_locks+0x130/0x130
[  237.161400]  ? mark_held_locks+0x130/0x130
[  237.165642]  ? mark_held_locks+0xc7/0x130
[  237.169793]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  237.174810]  ? zap_class+0x640/0x640
[  237.178526]  ? print_usage_bug+0xc0/0xc0
[  237.182608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.188146]  ? check_preemption_disabled+0x48/0x280
[  237.193170]  ? __lock_is_held+0xb5/0x140
[  237.197250]  __alloc_pages_nodemask+0xad8/0xea0
[  237.202283]  ? zap_class+0x640/0x640
[  237.206005]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  237.211035]  ? find_held_lock+0x36/0x1c0
[  237.215103]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.219775]  ? lock_downgrade+0x900/0x900
[  237.223929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.229472]  cache_grow_begin+0xa5/0x8c0
[  237.233530]  ? do_raw_spin_unlock+0xa7/0x330
[  237.237947]  fallback_alloc+0x204/0x2e0
[  237.241925]  ____cache_alloc_node+0x1c7/0x1e0
[  237.246426]  kmem_cache_alloc_node+0xe3/0x730
[  237.250924]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.255168]  __alloc_skb+0x119/0x770
[  237.258884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.264167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  237.268579]  ? lock_downgrade+0x900/0x900
[  237.272737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.278279]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.283731]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.289185]  ? addrconf_rs_timer+0x690/0x690
[  237.293603]  ndisc_alloc_skb+0x144/0x340
[  237.297671]  ndisc_send_rs+0x331/0x6e0
[  237.301562]  addrconf_rs_timer+0x314/0x690
[  237.305817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.310064]  call_timer_fn+0x272/0x920
[  237.313952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.318188]  ? process_timeout+0x40/0x40
[  237.322264]  ? __run_timers+0x7da/0xc70
[  237.326247]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.330741]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.335244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.339482]  ? lockdep_hardirqs_on+0x296/0x5b0
[  237.344070]  ? trace_hardirqs_on+0xbd/0x310
[  237.348394]  ? kasan_check_read+0x11/0x20
[  237.352542]  ? __run_timers+0x7da/0xc70
[  237.356518]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.361627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.365867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.370098]  __run_timers+0x7e5/0xc70
[  237.374602]  ? timer_fixup_init+0x70/0x70
[  237.378762]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.383786]  ? zap_class+0x640/0x640
[  237.387506]  ? enqueue_hrtimer+0x1a5/0x560
[  237.391747]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.396947]  ? find_held_lock+0x36/0x1c0
[  237.401017]  ? zap_class+0x640/0x640
[  237.404735]  ? pvclock_read_flags+0x160/0x160
[  237.409244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.414784]  ? check_preemption_disabled+0x48/0x280
[  237.419810]  ? __lock_is_held+0xb5/0x140
[  237.423874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.429420]  ? check_preemption_disabled+0x48/0x280
[  237.434441]  run_timer_softirq+0x52/0xb0
[  237.438504]  ? rcu_read_lock_sched_held+0x14f/0x180
[  237.443524]  __do_softirq+0x308/0xb7e
[  237.447329]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.451825]  ? lock_downgrade+0x900/0x900
[  237.455979]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  237.461090]  ? pvclock_read_flags+0x160/0x160
[  237.465587]  ? lapic_next_event+0x5a/0x90
[  237.469741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.475291]  ? kvm_clock_read+0x18/0x30
[  237.479263]  ? kvm_sched_clock_read+0x9/0x20
[  237.483679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.489217]  ? check_preemption_disabled+0x48/0x280
[  237.494260]  irq_exit+0x17f/0x1c0
[  237.497717]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.502566]  ? smp_reschedule_interrupt+0x109/0x650
[  237.507584]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.513468]  ? interrupt_entry+0xb5/0xc0
[  237.517532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.522547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.527566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.532410]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.537426]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.542439]  ? task_prio+0x50/0x50
[  237.545979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.551517]  ? check_preemption_disabled+0x48/0x280
[  237.556549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.561400]  apic_timer_interrupt+0xf/0x20
[  237.565628]  </IRQ>
[  237.567868] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.572800] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  237.591699] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  237.599405] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  237.606669] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  237.613935] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  237.621201] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  237.628474] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  237.635790]  skb_clone+0x1bb/0x500
[  237.639331]  ? finish_task_switch+0x1b4/0x910
[  237.643827]  ? skb_split+0x11e0/0x11e0
[  237.647715]  ? preempt_notifier_register+0x200/0x200
[  237.652821]  ? __switch_to_asm+0x34/0x70
[  237.656878]  ? __switch_to_asm+0x34/0x70
[  237.660936]  ? __switch_to_asm+0x40/0x70
[  237.664993]  ? __switch_to_asm+0x34/0x70
[  237.669048]  ? __switch_to_asm+0x40/0x70
[  237.673104]  ? __switch_to_asm+0x34/0x70
[  237.677161]  ? __switch_to_asm+0x40/0x70
[  237.681216]  ? __switch_to_asm+0x34/0x70
[  237.685287]  ? __switch_to_asm+0x34/0x70
[  237.689343]  ? __switch_to_asm+0x40/0x70
[  237.693399]  ? __switch_to_asm+0x34/0x70
[  237.697465]  bpf_clone_redirect+0xb9/0x490
[  237.701703]  ? __schedule+0x8d7/0x21d0
[  237.705600]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  237.710621]  ? __sched_text_start+0x8/0x8
[  237.714774]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.719536]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  237.724115]  ? retint_kernel+0x2d/0x2d
[  237.728006]  ? find_held_lock+0x36/0x1c0
[  237.732081]  ? lock_acquire+0x1ed/0x520
[  237.736054]  ? bpf_test_run+0x3ee/0x7a0
[  237.740031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.745570]  ? check_preemption_disabled+0x48/0x280
[  237.750594]  ? kasan_check_read+0x11/0x20
[  237.754740]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.760023]  ? rcu_softirq_qs+0x20/0x20
[  237.764003]  ? preempt_schedule+0x4d/0x60
[  237.768150]  ? ___preempt_schedule+0x16/0x18
[  237.772567]  ? bpf_test_run+0x271/0x7a0
[  237.776551]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.780965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.786503]  ? bpf_test_init.isra.10+0x70/0x100
[  237.791177]  ? bpf_prog_test_run_skb+0x762/0xd60
[  237.795983]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.800832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.806371]  ? fput+0x130/0x1a0
[  237.809652]  ? __bpf_prog_get+0x9b/0x290
[  237.813716]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.818563]  ? bpf_prog_test_run+0x130/0x1a0
[  237.822975]  ? __x64_sys_bpf+0x3d8/0x520
[  237.827035]  ? bpf_prog_get+0x20/0x20
[  237.830850]  ? do_syscall_64+0x1e1/0x820
[  237.834919]  ? do_syscall_64+0x1b9/0x820
[  237.838978]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.844345]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.849272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.854118]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.859139]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.864159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  237.869182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.874037]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.879431] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  237.879502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.885919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.885924] Call Trace:
[  237.885930]  <IRQ>
[  237.885949]  dump_stack+0x244/0x39d
[  237.885971]  ? dump_stack_print_info.cold.1+0x20/0x20
[  237.892500] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.901799]  warn_alloc.cold.116+0xb7/0x1bd
[  237.904356] syz-executor5 cpuset=syz5 mems_allowed=0
[  237.906503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.939971]  ? lock_downgrade+0x900/0x900
[  237.944127]  ? trace_hardirqs_off+0xb8/0x310
[  237.948543]  ? trace_hardirqs_off+0xb8/0x310
[  237.952965]  __alloc_pages_slowpath+0x2651/0x2de0
[  237.957834]  ? warn_alloc+0x120/0x120
[  237.961637]  ? print_usage_bug+0xc0/0xc0
[  237.965699]  ? warn_alloc+0x120/0x120
[  237.969507]  ? warn_alloc+0x120/0x120
[  237.973307]  ? print_usage_bug+0xc0/0xc0
[  237.977380]  ? print_usage_bug+0xc0/0xc0
[  237.981443]  ? __lock_acquire+0x62f/0x4c20
[  237.985688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.991233]  ? should_fail+0x22d/0xd01
[  237.995133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.000244]  ? __lock_acquire+0x62f/0x4c20
[  238.004490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.009593]  ? __lock_acquire+0x62f/0x4c20
[  238.013824]  ? should_fail+0x22d/0xd01
[  238.017711]  ? find_held_lock+0x36/0x1c0
[  238.021779]  ? mark_held_locks+0x130/0x130
[  238.026022]  ? mark_held_locks+0x130/0x130
[  238.030269]  ? zap_class+0x640/0x640
[  238.033985]  ? zap_class+0x640/0x640
[  238.037702]  ? print_usage_bug+0xc0/0xc0
[  238.041764]  ? do_raw_spin_unlock+0xa7/0x330
[  238.046173]  ? zap_class+0x640/0x640
[  238.049884]  ? print_usage_bug+0xc0/0xc0
[  238.053945]  ? wq_watchdog_touch+0x9c/0xfe
[  238.058183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.063724]  ? check_preemption_disabled+0x48/0x280
[  238.068751]  ? __lock_is_held+0xb5/0x140
[  238.072819]  __alloc_pages_nodemask+0xad8/0xea0
[  238.077485]  ? zap_class+0x640/0x640
[  238.081205]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  238.086253]  ? find_held_lock+0x36/0x1c0
[  238.090323]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.094997]  ? lock_downgrade+0x900/0x900
[  238.099156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.104698]  cache_grow_begin+0xa5/0x8c0
[  238.108757]  ? do_raw_spin_unlock+0xa7/0x330
[  238.113173]  fallback_alloc+0x204/0x2e0
[  238.117154]  ____cache_alloc_node+0x1c7/0x1e0
[  238.121657]  kmem_cache_alloc_node+0xe3/0x730
[  238.126156]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.130399]  __alloc_skb+0x119/0x770
[  238.134108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.139388]  ? netdev_alloc_frag+0x1f0/0x1f0
[  238.143798]  ? lock_downgrade+0x900/0x900
[  238.147953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.153495]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.158950]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.164404]  ? addrconf_rs_timer+0x690/0x690
[  238.168824]  ndisc_alloc_skb+0x144/0x340
[  238.172893]  ndisc_send_rs+0x331/0x6e0
[  238.176789]  addrconf_rs_timer+0x314/0x690
[  238.181027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.185278]  call_timer_fn+0x272/0x920
[  238.189165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.193401]  ? process_timeout+0x40/0x40
[  238.197471]  ? mark_held_locks+0xc7/0x130
[  238.201620]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.206114]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.210607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.214857]  ? lockdep_hardirqs_on+0x296/0x5b0
[  238.219437]  ? trace_hardirqs_on+0xbd/0x310
[  238.223760]  ? kasan_check_read+0x11/0x20
[  238.227908]  ? __run_timers+0x7da/0xc70
[  238.231886]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.236997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.241253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.245490]  __run_timers+0x7e5/0xc70
[  238.249303]  ? timer_fixup_init+0x70/0x70
[  238.253451]  ? kasan_check_read+0x11/0x20
[  238.257598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.262875]  ? rcu_softirq_qs+0x20/0x20
[  238.266858]  ? mark_held_locks+0xc7/0x130
[  238.271010]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.275771]  ? retint_kernel+0x2d/0x2d
[  238.279660]  ? trace_hardirqs_on_caller+0xc0/0x310
[  238.284590]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.289349]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.294801]  ? zap_class+0x640/0x640
[  238.298525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.304065]  ? check_preemption_disabled+0x48/0x280
[  238.309094]  ? __lock_is_held+0xb5/0x140
[  238.313156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.318697]  ? check_preemption_disabled+0x48/0x280
[  238.323717]  run_timer_softirq+0x52/0xb0
[  238.327781]  ? rcu_read_lock_sched_held+0x14f/0x180
[  238.332796]  __do_softirq+0x308/0xb7e
[  238.336603]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  238.341098]  ? lock_downgrade+0x900/0x900
[  238.345272]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  238.350381]  ? pvclock_read_flags+0x160/0x160
[  238.354904]  ? lapic_next_event+0x5a/0x90
[  238.359068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.365106]  ? kvm_clock_read+0x18/0x30
[  238.369080]  ? kvm_sched_clock_read+0x9/0x20
[  238.373495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.379037]  ? check_preemption_disabled+0x48/0x280
[  238.384061]  irq_exit+0x17f/0x1c0
[  238.387515]  smp_apic_timer_interrupt+0x1cb/0x760
[  238.392355]  ? smp_reschedule_interrupt+0x109/0x650
[  238.397375]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.403268]  ? interrupt_entry+0xb5/0xc0
[  238.407333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.412346]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.417362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.422206]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.427237]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.432268]  ? task_prio+0x50/0x50
[  238.435817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.441358]  ? check_preemption_disabled+0x48/0x280
[  238.446380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.451239]  apic_timer_interrupt+0xf/0x20
[  238.455472]  </IRQ>
[  238.457711] RIP: 0010:dump_stack+0x358/0x39d
[  238.462119] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  238.481020] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  238.488725] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  238.496149] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  238.503413] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  238.510679] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  238.517942] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  238.525243]  ? dump_stack+0x34f/0x39d
[  238.529073]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.534313]  ? mark_held_locks+0x130/0x130
[  238.538544]  ? mark_held_locks+0x130/0x130
[  238.542782]  dump_header+0x27b/0xf72
[  238.546512]  ? pagefault_out_of_memory+0x197/0x197
[  238.551460]  ? __lock_acquire+0x62f/0x4c20
[  238.555711]  ? percpu_ref_get_many+0x240/0x240
[  238.560298]  ? print_usage_bug+0xc0/0xc0
[  238.564365]  ? zap_class+0x640/0x640
[  238.568081]  ? print_usage_bug+0xc0/0xc0
[  238.572141]  ? print_usage_bug+0xc0/0xc0
[  238.576201]  ? zap_class+0x640/0x640
[  238.579926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.585469]  ? find_held_lock+0x36/0x1c0
[  238.589537]  ? mark_held_locks+0xc7/0x130
[  238.593685]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.598787]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.603893]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  238.608476]  ? trace_hardirqs_on+0xbd/0x310
[  238.612794]  ? kasan_check_read+0x11/0x20
[  238.616941]  ? ___ratelimit+0x3b4/0x672
[  238.620933]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.626052]  ? trace_hardirqs_on+0x310/0x310
[  238.630459]  ? lock_downgrade+0x900/0x900
[  238.634610]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.639711]  ? ___ratelimit+0x3b9/0x672
[  238.643690]  ? idr_get_free+0xf70/0xf70
[  238.647676]  ? find_held_lock+0x36/0x1c0
[  238.651747]  oom_kill_process.cold.27+0x10/0x903
[  238.656502]  ? zap_class+0x640/0x640
[  238.660215]  ? check_preemption_disabled+0x48/0x280
[  238.665257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.670188]  ? kasan_check_read+0x11/0x20
[  238.674338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.679628]  ? oom_evaluate_task+0x540/0x540
[  238.684055]  ? find_held_lock+0x36/0x1c0
[  238.688125]  ? out_of_memory+0x974/0x1430
[  238.692280]  ? lock_downgrade+0x900/0x900
[  238.696429]  ? check_preemption_disabled+0x48/0x280
[  238.701452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.706379]  ? kasan_check_read+0x11/0x20
[  238.710524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.715802]  ? rcu_softirq_qs+0x20/0x20
[  238.719783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.725318]  ? oom_evaluate_task+0x302/0x540
[  238.729728]  out_of_memory+0xa84/0x1430
[  238.733709]  ? oom_killer_disable+0x3a0/0x3a0
[  238.738203]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  238.743142]  ? __ww_mutex_check_waiters+0x160/0x160
[  238.748168]  __alloc_pages_slowpath+0x232c/0x2de0
[  238.753039]  ? warn_alloc+0x120/0x120
[  238.756839]  ? mark_held_locks+0x130/0x130
[  238.761081]  ? find_get_entry+0xaae/0x1120
[  238.765327]  ? filemap_map_pages+0x1a20/0x1a20
[  238.769928]  ? zap_class+0x640/0x640
[  238.773661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.779198]  ? check_preemption_disabled+0x48/0x280
[  238.784219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.789768]  ? should_fail+0x22d/0xd01
[  238.793660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.798762]  ? zap_class+0x640/0x640
[  238.802501]  ? __lock_is_held+0xb5/0x140
[  238.806568]  ? mark_held_locks+0x130/0x130
[  238.810807]  ? lock_release+0xa00/0xa00
[  238.814783]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.820243]  ? xa_load+0x2ba/0x460
[  238.823788]  ? lock_downgrade+0x900/0x900
[  238.827939]  ? __might_sleep+0x95/0x190
[  238.831916]  __alloc_pages_nodemask+0xad8/0xea0
[  238.836595]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  238.841616]  ? __page_cache_alloc+0x191/0x5c0
[  238.846107]  ? xa_load+0x2e1/0x460
[  238.849652]  ? xa_clear_mark+0x40/0x40
[  238.853540]  ? zap_class+0x640/0x640
[  238.857274]  ? zap_class+0x640/0x640
[  238.860988]  ? zap_class+0x640/0x640
[  238.864699]  ? __do_page_cache_readahead+0x663/0x810
[  238.869807]  ? find_held_lock+0x36/0x1c0
[  238.873904]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  238.879445]  alloc_pages_current+0x173/0x350
[  238.883861]  __page_cache_alloc+0x38c/0x5c0
[  238.888183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.893114]  ? kasan_check_read+0x11/0x20
[  238.897281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.902558]  ? generic_perform_write+0x6a0/0x6a0
[  238.907321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.912862]  ? check_preemption_disabled+0x48/0x280
[  238.917887]  filemap_fault+0x1595/0x25f0
[  238.921962]  ? __lock_page_or_retry+0xa00/0xa00
[  238.926635]  ? mark_held_locks+0x130/0x130
[  238.930878]  ? filemap_map_pages+0xd6b/0x1a20
[  238.935374]  ? lock_downgrade+0x900/0x900
[  238.939521]  ? check_preemption_disabled+0x48/0x280
[  238.944539]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.949471]  ? kasan_check_read+0x11/0x20
[  238.953618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.958893]  ? rcu_softirq_qs+0x20/0x20
[  238.962883]  ? filemap_map_pages+0xd92/0x1a20
[  238.967400]  ? find_get_entries_tag+0x1400/0x1400
[  238.972273]  ? lock_acquire+0x1ed/0x520
[  238.976263]  ? ext4_filemap_fault+0x7a/0xad
[  238.980594]  ? lock_release+0xa00/0xa00
[  238.984569]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.990019]  ? mark_held_locks+0x130/0x130
[  238.994264]  ? print_usage_bug+0xc0/0xc0
[  238.998329]  ? print_usage_bug+0xc0/0xc0
[  239.002407]  ? down_read+0x8d/0x120
[  239.006030]  ? ext4_filemap_fault+0x7a/0xad
[  239.010355]  ? __down_interruptible+0x700/0x700
[  239.015034]  ext4_filemap_fault+0x82/0xad
[  239.019197]  __do_fault+0x100/0x6b0
[  239.022838]  ? pmd_devmap_trans_unstable+0x220/0x220
[  239.027947]  ? mark_held_locks+0x130/0x130
[  239.032186]  ? mark_held_locks+0x130/0x130
[  239.036425]  ? hrtimer_forward+0x2a0/0x2a0
[  239.040655]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  239.045503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.051043]  __handle_mm_fault+0x3ea6/0x5be0
[  239.055462]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  239.060304]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  239.065408]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  239.070512]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  239.075094]  ? trace_hardirqs_on+0xbd/0x310
[  239.079419]  ? kasan_check_read+0x11/0x20
[  239.083568]  ? __free_object+0x173/0x340
[  239.087637]  ? zap_class+0x640/0x640
[  239.091349]  ? zap_class+0x640/0x640
[  239.095064]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.100174]  ? find_held_lock+0x36/0x1c0
[  239.104257]  ? handle_mm_fault+0x42a/0xc70
[  239.108492]  ? lock_downgrade+0x900/0x900
[  239.112656]  ? check_preemption_disabled+0x48/0x280
[  239.117674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  239.122608]  ? kasan_check_read+0x11/0x20
[  239.126753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.132030]  ? rcu_softirq_qs+0x20/0x20
[  239.136001]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.141131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.146684]  ? check_preemption_disabled+0x48/0x280
[  239.151707]  handle_mm_fault+0x54f/0xc70
[  239.155769]  ? __handle_mm_fault+0x5be0/0x5be0
[  239.160357]  ? find_vma+0x34/0x190
[  239.163915]  __do_page_fault+0x5e8/0xe60
[  239.167985]  ? trace_hardirqs_off+0xb8/0x310
[  239.172400]  do_page_fault+0xf2/0x7e0
[  239.176204]  ? vmalloc_sync_all+0x30/0x30
[  239.180358]  ? error_entry+0x70/0xd0
[  239.184073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.189085]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.194016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.198947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.203789]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.208809]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.214272]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.219288]  ? prepare_exit_to_usermode+0x291/0x3b0
[  239.224315]  ? page_fault+0x8/0x30
[  239.227887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.232743]  ? page_fault+0x8/0x30
[  239.236280]  page_fault+0x1e/0x30
[  239.239734] RIP: 0033:0x7f4afc2d3e40
[  239.243461] Code: Bad RIP value.
[  239.246822] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  239.252180] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  239.259443] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  239.266707] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  239.273972] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  239.281244] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  239.288548] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  239.288553] warn_alloc_show_mem: 1 callbacks suppressed
[  239.288560] Mem-Info:
[  239.295924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.301294] active_anon:57379 inactive_anon:189 isolated_anon:0
[  239.301294]  active_file:13 inactive_file:16 isolated_file:0
[  239.301294]  unevictable:0 dirty:0 writeback:0 unstable:0
[  239.301294]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  239.301294]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  239.301294]  free:13771 free_pcp:208 free_cma:0
[  239.303664] Call Trace:
[  239.313056] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  239.345901]  <IRQ>
[  239.348472] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  239.375976]  dump_stack+0x244/0x39d
[  239.378094] lowmem_reserve[]: 0 2818 6321 6321
[  239.404205]  ? dump_stack_print_info.cold.1+0x20/0x20
[  239.407799] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  239.412381]  warn_alloc.cold.116+0xb7/0x1bd
[  239.417538] lowmem_reserve[]: 0 0 3503 3503
[  239.445136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.449432] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  239.453756]  ? lock_downgrade+0x900/0x900
[  239.458567] lowmem_reserve[]: 0 0 0 0
[  239.487465]  ? trace_hardirqs_off+0xb8/0x310
[  239.491585] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  239.495382]  ? trace_hardirqs_off+0xb8/0x310
[  239.499754] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  239.513291]  __alloc_pages_slowpath+0x2651/0x2de0
[  239.517667] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  239.533125]  ? warn_alloc+0x120/0x120
[  239.537923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.552481]  ? print_usage_bug+0xc0/0xc0
[  239.556271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.565095]  ? warn_alloc+0x120/0x120
[  239.569129] 273 total pagecache pages
[  239.577703]  ? warn_alloc+0x120/0x120
[  239.581488] 0 pages in swap cache
[  239.585278]  ? print_usage_bug+0xc0/0xc0
[  239.589057] Swap cache stats: add 0, delete 0, find 0/0
[  239.592498]  ? print_usage_bug+0xc0/0xc0
[  239.596534] Free swap  = 0kB
[  239.601892]  ? __lock_acquire+0x62f/0x4c20
[  239.605927] Total swap = 0kB
[  239.608941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.613144] 1965979 pages RAM
[  239.616155]  ? should_fail+0x22d/0xd01
[  239.621664] 0 pages HighMem/MovableOnly
[  239.624767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.628624] 342853 pages reserved
[  239.632590]  ? __lock_acquire+0x62f/0x4c20
[  239.637668] 0 pages cma reserved
[  239.641116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.645395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.648682]  ? __lock_acquire+0x62f/0x4c20
[  239.648699]  ? should_fail+0x22d/0xd01
[  239.653840] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.660264]  ? find_held_lock+0x36/0x1c0
[  239.660286]  ? mark_held_locks+0x130/0x130
[  239.664491] cron cpuset=/ mems_allowed=0
[  239.668371]  ? mark_held_locks+0x130/0x130
[  239.694583]  ? zap_class+0x640/0x640
[  239.698302]  ? zap_class+0x640/0x640
[  239.702021]  ? print_usage_bug+0xc0/0xc0
[  239.706078]  ? do_raw_spin_unlock+0xa7/0x330
[  239.710489]  ? zap_class+0x640/0x640
[  239.714200]  ? print_usage_bug+0xc0/0xc0
[  239.718268]  ? wq_watchdog_touch+0x9c/0xfe
[  239.722511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.728049]  ? check_preemption_disabled+0x48/0x280
[  239.733075]  ? __lock_is_held+0xb5/0x140
[  239.737144]  __alloc_pages_nodemask+0xad8/0xea0
[  239.741812]  ? zap_class+0x640/0x640
[  239.745536]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  239.750563]  ? find_held_lock+0x36/0x1c0
[  239.754634]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.759308]  ? lock_downgrade+0x900/0x900
[  239.763464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.769007]  cache_grow_begin+0xa5/0x8c0
[  239.773073]  ? do_raw_spin_unlock+0xa7/0x330
[  239.777491]  fallback_alloc+0x204/0x2e0
[  239.781472]  ____cache_alloc_node+0x1c7/0x1e0
[  239.785974]  kmem_cache_alloc_node+0xe3/0x730
[  239.790474]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.794719]  __alloc_skb+0x119/0x770
[  239.798435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.803716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.808127]  ? lock_downgrade+0x900/0x900
[  239.812294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.817836]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.823292]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.828744]  ? addrconf_rs_timer+0x690/0x690
[  239.833175]  ndisc_alloc_skb+0x144/0x340
[  239.837251]  ndisc_send_rs+0x331/0x6e0
[  239.841146]  addrconf_rs_timer+0x314/0x690
[  239.845385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.849631]  call_timer_fn+0x272/0x920
[  239.853516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.857755]  ? process_timeout+0x40/0x40
[  239.861824]  ? __run_timers+0x7da/0xc70
[  239.865805]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.870303]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.874796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.879039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  239.883622]  ? trace_hardirqs_on+0xbd/0x310
[  239.887942]  ? kasan_check_read+0x11/0x20
[  239.892089]  ? __run_timers+0x7da/0xc70
[  239.896062]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.901172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.905414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.909648]  __run_timers+0x7e5/0xc70
[  239.913459]  ? timer_fixup_init+0x70/0x70
[  239.917608]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.922629]  ? zap_class+0x640/0x640
[  239.926349]  ? enqueue_hrtimer+0x1a5/0x560
[  239.930589]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.935790]  ? find_held_lock+0x36/0x1c0
[  239.939857]  ? zap_class+0x640/0x640
[  239.943575]  ? pvclock_read_flags+0x160/0x160
[  239.948077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.953617]  ? check_preemption_disabled+0x48/0x280
[  239.958642]  ? __lock_is_held+0xb5/0x140
[  239.962707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.968251]  ? check_preemption_disabled+0x48/0x280
[  239.973276]  run_timer_softirq+0x52/0xb0
[  239.977343]  ? rcu_read_lock_sched_held+0x14f/0x180
[  239.982360]  __do_softirq+0x308/0xb7e
[  239.986162]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.990656]  ? lock_downgrade+0x900/0x900
[  239.994810]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.999920]  ? pvclock_read_flags+0x160/0x160
[  240.004421]  ? lapic_next_event+0x5a/0x90
[  240.008570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.014117]  ? kvm_clock_read+0x18/0x30
[  240.018091]  ? kvm_sched_clock_read+0x9/0x20
[  240.022503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.028041]  ? check_preemption_disabled+0x48/0x280
[  240.033067]  irq_exit+0x17f/0x1c0
[  240.036521]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.041366]  ? smp_reschedule_interrupt+0x109/0x650
[  240.046383]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.052268]  ? interrupt_entry+0xb5/0xc0
[  240.056331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.061345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.066362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.071209]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.076240]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.081261]  ? task_prio+0x50/0x50
[  240.084805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.090343]  ? check_preemption_disabled+0x48/0x280
[  240.095367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.100220]  apic_timer_interrupt+0xf/0x20
[  240.104455]  </IRQ>
[  240.106692] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  240.111624] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  240.130526] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  240.138242] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  240.145511] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  240.152779] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  240.160043] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  240.167309] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  240.174620]  skb_clone+0x1bb/0x500
[  240.178161]  ? finish_task_switch+0x1b4/0x910
[  240.182655]  ? skb_split+0x11e0/0x11e0
[  240.186545]  ? preempt_notifier_register+0x200/0x200
[  240.191644]  ? __switch_to_asm+0x34/0x70
[  240.195701]  ? __switch_to_asm+0x34/0x70
[  240.199765]  ? __switch_to_asm+0x40/0x70
[  240.203821]  ? __switch_to_asm+0x34/0x70
[  240.207877]  ? __switch_to_asm+0x40/0x70
[  240.211933]  ? __switch_to_asm+0x34/0x70
[  240.215991]  ? __switch_to_asm+0x40/0x70
[  240.220047]  ? __switch_to_asm+0x34/0x70
[  240.224105]  ? __switch_to_asm+0x34/0x70
[  240.228176]  ? __switch_to_asm+0x40/0x70
[  240.232241]  ? __switch_to_asm+0x34/0x70
[  240.236311]  bpf_clone_redirect+0xb9/0x490
[  240.240546]  ? __schedule+0x8d7/0x21d0
[  240.244442]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  240.249459]  ? __sched_text_start+0x8/0x8
[  240.253611]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.258372]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  240.262952]  ? retint_kernel+0x2d/0x2d
[  240.266845]  ? find_held_lock+0x36/0x1c0
[  240.270914]  ? lock_acquire+0x1ed/0x520
[  240.274888]  ? bpf_test_run+0x3ee/0x7a0
[  240.278862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.284404]  ? check_preemption_disabled+0x48/0x280
[  240.289430]  ? kasan_check_read+0x11/0x20
[  240.293579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.298853]  ? rcu_softirq_qs+0x20/0x20
[  240.302827]  ? preempt_schedule+0x4d/0x60
[  240.306976]  ? ___preempt_schedule+0x16/0x18
[  240.311391]  ? bpf_test_run+0x271/0x7a0
[  240.315385]  ? netlink_diag_dump+0x2a0/0x2a0
[  240.319798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.325337]  ? bpf_test_init.isra.10+0x70/0x100
[  240.330011]  ? bpf_prog_test_run_skb+0x762/0xd60
[  240.334779]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  240.339629]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.345169]  ? fput+0x130/0x1a0
[  240.348447]  ? __bpf_prog_get+0x9b/0x290
[  240.352509]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  240.357354]  ? bpf_prog_test_run+0x130/0x1a0
[  240.361769]  ? __x64_sys_bpf+0x3d8/0x520
[  240.365965]  ? bpf_prog_get+0x20/0x20
[  240.369782]  ? do_syscall_64+0x1e1/0x820
[  240.373850]  ? do_syscall_64+0x1b9/0x820
[  240.377996]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  240.383363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.388290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.393139]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.398155]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  240.403175]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.408196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.413056]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  240.418437] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  240.418506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.424928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.424933] Call Trace:
[  240.424940]  <IRQ>
[  240.424957]  dump_stack+0x244/0x39d
[  240.424981]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.431698] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.440817]  warn_alloc.cold.116+0xb7/0x1bd
[  240.443369] syz-executor5 cpuset=syz5 mems_allowed=0
[  240.445517]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.478991]  ? lock_downgrade+0x900/0x900
[  240.483150]  ? trace_hardirqs_off+0xb8/0x310
[  240.487566]  ? trace_hardirqs_off+0xb8/0x310
[  240.491984]  __alloc_pages_slowpath+0x2651/0x2de0
[  240.496973]  ? warn_alloc+0x120/0x120
[  240.500777]  ? print_usage_bug+0xc0/0xc0
[  240.504840]  ? warn_alloc+0x120/0x120
[  240.508644]  ? warn_alloc+0x120/0x120
[  240.512450]  ? print_usage_bug+0xc0/0xc0
[  240.516513]  ? print_usage_bug+0xc0/0xc0
[  240.520573]  ? __lock_acquire+0x62f/0x4c20
[  240.524813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.530353]  ? should_fail+0x22d/0xd01
[  240.534255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.539361]  ? __lock_acquire+0x62f/0x4c20
[  240.543601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.548701]  ? __lock_acquire+0x62f/0x4c20
[  240.552934]  ? should_fail+0x22d/0xd01
[  240.556823]  ? find_held_lock+0x36/0x1c0
[  240.560893]  ? mark_held_locks+0x130/0x130
[  240.565130]  ? mark_held_locks+0x130/0x130
[  240.569364]  ? zap_class+0x640/0x640
[  240.573078]  ? zap_class+0x640/0x640
[  240.576792]  ? print_usage_bug+0xc0/0xc0
[  240.580849]  ? do_raw_spin_unlock+0xa7/0x330
[  240.585275]  ? zap_class+0x640/0x640
[  240.588990]  ? print_usage_bug+0xc0/0xc0
[  240.593047]  ? wq_watchdog_touch+0x9c/0xfe
[  240.597291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.602828]  ? check_preemption_disabled+0x48/0x280
[  240.607856]  ? __lock_is_held+0xb5/0x140
[  240.611925]  __alloc_pages_nodemask+0xad8/0xea0
[  240.616596]  ? zap_class+0x640/0x640
[  240.620315]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  240.625340]  ? find_held_lock+0x36/0x1c0
[  240.629412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.634081]  ? lock_downgrade+0x900/0x900
[  240.638247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.643794]  cache_grow_begin+0xa5/0x8c0
[  240.647858]  ? do_raw_spin_unlock+0xa7/0x330
[  240.652278]  fallback_alloc+0x204/0x2e0
[  240.656282]  ____cache_alloc_node+0x1c7/0x1e0
[  240.660783]  kmem_cache_alloc_node+0xe3/0x730
[  240.665281]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.669524]  __alloc_skb+0x119/0x770
[  240.673246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.678536]  ? netdev_alloc_frag+0x1f0/0x1f0
[  240.682945]  ? lock_downgrade+0x900/0x900
[  240.687103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.692643]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.698099]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.703552]  ? addrconf_rs_timer+0x690/0x690
[  240.708000]  ndisc_alloc_skb+0x144/0x340
[  240.712066]  ndisc_send_rs+0x331/0x6e0
[  240.715960]  addrconf_rs_timer+0x314/0x690
[  240.720205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.724453]  call_timer_fn+0x272/0x920
[  240.728339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.732571]  ? process_timeout+0x40/0x40
[  240.736642]  ? mark_held_locks+0xc7/0x130
[  240.740795]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.745291]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.749785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.754017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.758604]  ? trace_hardirqs_on+0xbd/0x310
[  240.762925]  ? kasan_check_read+0x11/0x20
[  240.767068]  ? __run_timers+0x7da/0xc70
[  240.771041]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.776152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.780389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.784624]  __run_timers+0x7e5/0xc70
[  240.788436]  ? timer_fixup_init+0x70/0x70
[  240.792584]  ? kasan_check_read+0x11/0x20
[  240.796732]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.802009]  ? rcu_softirq_qs+0x20/0x20
[  240.806019]  ? mark_held_locks+0xc7/0x130
[  240.810171]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.814942]  ? retint_kernel+0x2d/0x2d
[  240.818849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.823781]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.828541]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.833990]  ? zap_class+0x640/0x640
[  240.837714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.843269]  ? check_preemption_disabled+0x48/0x280
[  240.848295]  ? __lock_is_held+0xb5/0x140
[  240.852355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.857891]  ? check_preemption_disabled+0x48/0x280
[  240.862921]  run_timer_softirq+0x52/0xb0
[  240.866978]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.871995]  __do_softirq+0x308/0xb7e
[  240.875800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.880294]  ? lock_downgrade+0x900/0x900
[  240.884445]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.889559]  ? pvclock_read_flags+0x160/0x160
[  240.894060]  ? lapic_next_event+0x5a/0x90
[  240.898209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.903765]  ? kvm_clock_read+0x18/0x30
[  240.907746]  ? kvm_sched_clock_read+0x9/0x20
[  240.912159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.917729]  ? check_preemption_disabled+0x48/0x280
[  240.922756]  irq_exit+0x17f/0x1c0
[  240.926213]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.931063]  ? smp_reschedule_interrupt+0x109/0x650
[  240.936079]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.941970]  ? interrupt_entry+0xb5/0xc0
[  240.946031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.951047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.956061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.960921]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.965949]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.970964]  ? task_prio+0x50/0x50
[  240.974509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.980054]  ? check_preemption_disabled+0x48/0x280
[  240.985079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.989943]  apic_timer_interrupt+0xf/0x20
[  240.994182]  </IRQ>
[  240.996422] RIP: 0010:dump_stack+0x358/0x39d
[  241.000830] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  241.019726] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  241.027435] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  241.034747] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  241.042021] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  241.049294] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  241.056560] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  241.063851]  ? dump_stack+0x34f/0x39d
[  241.067663]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.072859]  ? mark_held_locks+0x130/0x130
[  241.077096]  ? mark_held_locks+0x130/0x130
[  241.081334]  dump_header+0x27b/0xf72
[  241.085065]  ? pagefault_out_of_memory+0x197/0x197
[  241.089998]  ? __lock_acquire+0x62f/0x4c20
[  241.094244]  ? percpu_ref_get_many+0x240/0x240
[  241.098838]  ? print_usage_bug+0xc0/0xc0
[  241.102900]  ? zap_class+0x640/0x640
[  241.106613]  ? print_usage_bug+0xc0/0xc0
[  241.110670]  ? print_usage_bug+0xc0/0xc0
[  241.114746]  ? zap_class+0x640/0x640
[  241.118476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.124035]  ? find_held_lock+0x36/0x1c0
[  241.128100]  ? mark_held_locks+0xc7/0x130
[  241.132267]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.137371]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.142473]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  241.147062]  ? trace_hardirqs_on+0xbd/0x310
[  241.151381]  ? kasan_check_read+0x11/0x20
[  241.155530]  ? ___ratelimit+0x3b4/0x672
[  241.159509]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.164612]  ? trace_hardirqs_on+0x310/0x310
[  241.169024]  ? lock_downgrade+0x900/0x900
[  241.173178]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.178298]  ? ___ratelimit+0x3b9/0x672
[  241.182281]  ? idr_get_free+0xf70/0xf70
[  241.186266]  ? find_held_lock+0x36/0x1c0
[  241.190337]  oom_kill_process.cold.27+0x10/0x903
[  241.195090]  ? zap_class+0x640/0x640
[  241.198807]  ? check_preemption_disabled+0x48/0x280
[  241.203827]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.208754]  ? kasan_check_read+0x11/0x20
[  241.212901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.218180]  ? oom_evaluate_task+0x540/0x540
[  241.222596]  ? find_held_lock+0x36/0x1c0
[  241.226662]  ? out_of_memory+0x974/0x1430
[  241.230813]  ? lock_downgrade+0x900/0x900
[  241.234957]  ? check_preemption_disabled+0x48/0x280
[  241.239976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.244903]  ? kasan_check_read+0x11/0x20
[  241.249061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.254355]  ? rcu_softirq_qs+0x20/0x20
[  241.258341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.263874]  ? oom_evaluate_task+0x302/0x540
[  241.268289]  out_of_memory+0xa84/0x1430
[  241.272296]  ? oom_killer_disable+0x3a0/0x3a0
[  241.276790]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  241.281725]  ? __ww_mutex_check_waiters+0x160/0x160
[  241.286754]  __alloc_pages_slowpath+0x232c/0x2de0
[  241.291639]  ? warn_alloc+0x120/0x120
[  241.295440]  ? mark_held_locks+0x130/0x130
[  241.299677]  ? find_get_entry+0xaae/0x1120
[  241.303921]  ? filemap_map_pages+0x1a20/0x1a20
[  241.308512]  ? zap_class+0x640/0x640
[  241.312242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.317791]  ? check_preemption_disabled+0x48/0x280
[  241.322814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.328349]  ? should_fail+0x22d/0xd01
[  241.332254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.337379]  ? zap_class+0x640/0x640
[  241.341121]  ? __lock_is_held+0xb5/0x140
[  241.345188]  ? mark_held_locks+0x130/0x130
[  241.349426]  ? lock_release+0xa00/0xa00
[  241.353433]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.358884]  ? xa_load+0x2ba/0x460
[  241.362424]  ? lock_downgrade+0x900/0x900
[  241.366577]  ? __might_sleep+0x95/0x190
[  241.370564]  __alloc_pages_nodemask+0xad8/0xea0
[  241.375245]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  241.380273]  ? __page_cache_alloc+0x191/0x5c0
[  241.384771]  ? xa_load+0x2e1/0x460
[  241.388315]  ? xa_clear_mark+0x40/0x40
[  241.392214]  ? zap_class+0x640/0x640
[  241.395946]  ? zap_class+0x640/0x640
[  241.399656]  ? zap_class+0x640/0x640
[  241.403372]  ? __do_page_cache_readahead+0x663/0x810
[  241.408482]  ? find_held_lock+0x36/0x1c0
[  241.412546]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  241.418090]  alloc_pages_current+0x173/0x350
[  241.422515]  __page_cache_alloc+0x38c/0x5c0
[  241.426835]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.431760]  ? kasan_check_read+0x11/0x20
[  241.435908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.441184]  ? generic_perform_write+0x6a0/0x6a0
[  241.445947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.451489]  ? check_preemption_disabled+0x48/0x280
[  241.456511]  filemap_fault+0x1595/0x25f0
[  241.460585]  ? __lock_page_or_retry+0xa00/0xa00
[  241.465268]  ? mark_held_locks+0x130/0x130
[  241.469513]  ? filemap_map_pages+0xd6b/0x1a20
[  241.474007]  ? lock_downgrade+0x900/0x900
[  241.478158]  ? check_preemption_disabled+0x48/0x280
[  241.483179]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.488107]  ? kasan_check_read+0x11/0x20
[  241.492263]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.497541]  ? rcu_softirq_qs+0x20/0x20
[  241.501533]  ? filemap_map_pages+0xd92/0x1a20
[  241.506042]  ? find_get_entries_tag+0x1400/0x1400
[  241.510908]  ? lock_acquire+0x1ed/0x520
[  241.514881]  ? ext4_filemap_fault+0x7a/0xad
[  241.519210]  ? lock_release+0xa00/0xa00
[  241.523195]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.528650]  ? mark_held_locks+0x130/0x130
[  241.532884]  ? print_usage_bug+0xc0/0xc0
[  241.536949]  ? print_usage_bug+0xc0/0xc0
[  241.541020]  ? down_read+0x8d/0x120
[  241.544643]  ? ext4_filemap_fault+0x7a/0xad
[  241.548965]  ? __down_interruptible+0x700/0x700
[  241.553643]  ext4_filemap_fault+0x82/0xad
[  241.557798]  __do_fault+0x100/0x6b0
[  241.561428]  ? pmd_devmap_trans_unstable+0x220/0x220
[  241.566552]  ? mark_held_locks+0x130/0x130
[  241.570791]  ? mark_held_locks+0x130/0x130
[  241.575035]  ? hrtimer_forward+0x2a0/0x2a0
[  241.579274]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  241.584117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.589657]  __handle_mm_fault+0x3ea6/0x5be0
[  241.594072]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  241.598910]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.604024]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.609126]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  241.613708]  ? trace_hardirqs_on+0xbd/0x310
[  241.618029]  ? kasan_check_read+0x11/0x20
[  241.622187]  ? __free_object+0x173/0x340
[  241.626267]  ? zap_class+0x640/0x640
[  241.629981]  ? zap_class+0x640/0x640
[  241.633695]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.638816]  ? find_held_lock+0x36/0x1c0
[  241.642888]  ? handle_mm_fault+0x42a/0xc70
[  241.647124]  ? lock_downgrade+0x900/0x900
[  241.651273]  ? check_preemption_disabled+0x48/0x280
[  241.656294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.661220]  ? kasan_check_read+0x11/0x20
[  241.665379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.670669]  ? rcu_softirq_qs+0x20/0x20
[  241.674656]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.679764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.685304]  ? check_preemption_disabled+0x48/0x280
[  241.690339]  handle_mm_fault+0x54f/0xc70
[  241.694402]  ? __handle_mm_fault+0x5be0/0x5be0
[  241.698987]  ? find_vma+0x34/0x190
[  241.702534]  __do_page_fault+0x5e8/0xe60
[  241.706594]  ? trace_hardirqs_off+0xb8/0x310
[  241.711043]  do_page_fault+0xf2/0x7e0
[  241.714844]  ? vmalloc_sync_all+0x30/0x30
[  241.718991]  ? error_entry+0x70/0xd0
[  241.722707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.727719]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.732646]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.737588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.742444]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.747459]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.752909]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.757931]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.762946]  ? page_fault+0x8/0x30
[  241.766488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.771339]  ? page_fault+0x8/0x30
[  241.774883]  page_fault+0x1e/0x30
[  241.778334] RIP: 0033:0x7f4afc2d3e40
[  241.782070] Code: Bad RIP value.
[  241.785433] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  241.790790] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  241.798054] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  241.805325] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  241.812598] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  241.819882] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  241.827176] warn_alloc_show_mem: 1 callbacks suppressed
[  241.827188] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  241.827190] Mem-Info:
[  241.827221] active_anon:57379 inactive_anon:189 isolated_anon:0
[  241.827221]  active_file:13 inactive_file:16 isolated_file:0
[  241.827221]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.827221]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  241.827221]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  241.827221]  free:13771 free_pcp:208 free_cma:0
[  241.832565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.839927] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.842322] Call Trace:
[  241.875183] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.884528]  <IRQ>
[  241.912095] lowmem_reserve[]: 0 2818 6321 6321
[  241.914678]  dump_stack+0x244/0x39d
[  241.940755] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.942912]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.947471] lowmem_reserve[]: 0 0 3503 3503
[  241.951098]  warn_alloc.cold.116+0xb7/0x1bd
[  241.978654] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  241.983837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.988136] lowmem_reserve[]: 0 0 0 0
[  241.992456]  ? lock_downgrade+0x900/0x900
[  242.021315] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  242.026155]  ? trace_hardirqs_off+0xb8/0x310
[  242.029926] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  242.034069]  ? trace_hardirqs_off+0xb8/0x310
[  242.047565] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  242.051971]  __alloc_pages_slowpath+0x2651/0x2de0
[  242.067380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.071818]  ? warn_alloc+0x120/0x120
[  242.086341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  242.091170]  ? warn_alloc+0x120/0x120
[  242.099996] 273 total pagecache pages
[  242.103789]  ? warn_alloc+0x120/0x120
[  242.112348] 0 pages in swap cache
[  242.116136]  ? print_usage_bug+0xc0/0xc0
[  242.119911] Swap cache stats: add 0, delete 0, find 0/0
[  242.123699]  ? zap_class+0x640/0x640
[  242.127126] Free swap  = 0kB
[  242.131177]  ? print_usage_bug+0xc0/0xc0
[  242.136514] Total swap = 0kB
[  242.140238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.143224] 1965979 pages RAM
[  242.147290]  ? should_fail+0x22d/0xd01
[  242.150284] 0 pages HighMem/MovableOnly
[  242.155817]  ? __lock_acquire+0x62f/0x4c20
[  242.158895] 342853 pages reserved
[  242.162780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.166727] 0 pages cma reserved
[  242.170956]  ? __lock_acquire+0x62f/0x4c20
[  242.174464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.179482]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.179496]  ? __lock_acquire+0x62f/0x4c20
[  242.179512]  ? should_fail+0x22d/0xd01
[  242.182913] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.187104]  ? mark_held_locks+0x130/0x130
[  242.193567] cron cpuset=/ mems_allowed=0
[  242.198692]  ? mark_held_locks+0x130/0x130
[  242.228950]  ? try_to_wake_up+0x11c/0x1440
[  242.233190]  ? lock_downgrade+0x900/0x900
[  242.237340]  ? zap_class+0x640/0x640
[  242.241053]  ? print_usage_bug+0xc0/0xc0
[  242.245114]  ? trace_hardirqs_off+0xb8/0x310
[  242.249524]  ? kasan_check_read+0x11/0x20
[  242.253693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.259255]  ? check_preemption_disabled+0x48/0x280
[  242.264289]  ? __lock_is_held+0xb5/0x140
[  242.268359]  __alloc_pages_nodemask+0xad8/0xea0
[  242.273041]  ? zap_class+0x640/0x640
[  242.276766]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  242.281794]  ? find_held_lock+0x36/0x1c0
[  242.285868]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.290535]  ? lock_downgrade+0x900/0x900
[  242.294693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.300245]  cache_grow_begin+0xa5/0x8c0
[  242.304308]  ? do_raw_spin_unlock+0xa7/0x330
[  242.308727]  fallback_alloc+0x204/0x2e0
[  242.312745]  ____cache_alloc_node+0x1c7/0x1e0
[  242.317280]  kmem_cache_alloc_node+0xe3/0x730
[  242.321781]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.326085]  __alloc_skb+0x119/0x770
[  242.329801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.335098]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.339507]  ? lock_downgrade+0x900/0x900
[  242.343664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.349200]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.354657]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.360122]  ? addrconf_rs_timer+0x690/0x690
[  242.364678]  ndisc_alloc_skb+0x144/0x340
[  242.368744]  ndisc_send_rs+0x331/0x6e0
[  242.372643]  addrconf_rs_timer+0x314/0x690
[  242.376942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.381197]  call_timer_fn+0x272/0x920
[  242.385085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.389321]  ? process_timeout+0x40/0x40
[  242.393388]  ? __run_timers+0x7da/0xc70
[  242.397361]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.401859]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.406366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.410603]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.415183]  ? trace_hardirqs_on+0xbd/0x310
[  242.419502]  ? kasan_check_read+0x11/0x20
[  242.423651]  ? __run_timers+0x7da/0xc70
[  242.427626]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.432745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.436981]  __run_timers+0x7e5/0xc70
[  242.440790]  ? timer_fixup_init+0x70/0x70
[  242.444940]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.449955]  ? zap_class+0x640/0x640
[  242.453687]  ? enqueue_hrtimer+0x1a5/0x560
[  242.457947]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.463140]  ? find_held_lock+0x36/0x1c0
[  242.467207]  ? zap_class+0x640/0x640
[  242.470930]  ? pvclock_read_flags+0x160/0x160
[  242.475425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.480965]  ? check_preemption_disabled+0x48/0x280
[  242.485988]  ? __lock_is_held+0xb5/0x140
[  242.490064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.496136]  ? check_preemption_disabled+0x48/0x280
[  242.501199]  run_timer_softirq+0x52/0xb0
[  242.505284]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.510300]  __do_softirq+0x308/0xb7e
[  242.514104]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.518598]  ? lock_downgrade+0x900/0x900
[  242.522748]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.527864]  ? pvclock_read_flags+0x160/0x160
[  242.532361]  ? lapic_next_event+0x5a/0x90
[  242.536515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.542055]  ? kvm_clock_read+0x18/0x30
[  242.546036]  ? kvm_sched_clock_read+0x9/0x20
[  242.550448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.555997]  ? check_preemption_disabled+0x48/0x280
[  242.561035]  irq_exit+0x17f/0x1c0
[  242.564488]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.569330]  ? smp_reschedule_interrupt+0x109/0x650
[  242.574351]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.580240]  ? interrupt_entry+0xb5/0xc0
[  242.584302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.589320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.594347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.599191]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.604213]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.609244]  ? task_prio+0x50/0x50
[  242.612788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.618328]  ? check_preemption_disabled+0x48/0x280
[  242.623347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.628197]  apic_timer_interrupt+0xf/0x20
[  242.632430]  </IRQ>
[  242.634673] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.639601] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  242.658502] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  242.666209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.673486] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  242.680757] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  242.688037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.695303] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  242.702606]  skb_clone+0x1bb/0x500
[  242.706146]  ? finish_task_switch+0x1b4/0x910
[  242.710646]  ? skb_split+0x11e0/0x11e0
[  242.714535]  ? preempt_notifier_register+0x200/0x200
[  242.719637]  ? __switch_to_asm+0x34/0x70
[  242.723714]  ? __switch_to_asm+0x34/0x70
[  242.727777]  ? __switch_to_asm+0x40/0x70
[  242.731834]  ? __switch_to_asm+0x34/0x70
[  242.735894]  ? __switch_to_asm+0x40/0x70
[  242.739953]  ? __switch_to_asm+0x34/0x70
[  242.744008]  ? __switch_to_asm+0x40/0x70
[  242.748068]  ? __switch_to_asm+0x34/0x70
[  242.752134]  ? __switch_to_asm+0x34/0x70
[  242.756191]  ? __switch_to_asm+0x40/0x70
[  242.760256]  ? __switch_to_asm+0x34/0x70
[  242.764320]  bpf_clone_redirect+0xb9/0x490
[  242.768557]  ? __schedule+0x8d7/0x21d0
[  242.772449]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  242.777466]  ? __sched_text_start+0x8/0x8
[  242.781615]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.786372]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.790953]  ? retint_kernel+0x2d/0x2d
[  242.794842]  ? find_held_lock+0x36/0x1c0
[  242.798913]  ? lock_acquire+0x1ed/0x520
[  242.802888]  ? bpf_test_run+0x3ee/0x7a0
[  242.806877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.812437]  ? check_preemption_disabled+0x48/0x280
[  242.817458]  ? kasan_check_read+0x11/0x20
[  242.821607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.826880]  ? rcu_softirq_qs+0x20/0x20
[  242.830872]  ? preempt_schedule+0x4d/0x60
[  242.835043]  ? ___preempt_schedule+0x16/0x18
[  242.839473]  ? bpf_test_run+0x271/0x7a0
[  242.843463]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.847877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.853427]  ? bpf_test_init.isra.10+0x70/0x100
[  242.858106]  ? bpf_prog_test_run_skb+0x762/0xd60
[  242.862872]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.867722]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.873267]  ? fput+0x130/0x1a0
[  242.876549]  ? __bpf_prog_get+0x9b/0x290
[  242.880612]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.885451]  ? bpf_prog_test_run+0x130/0x1a0
[  242.889860]  ? __x64_sys_bpf+0x3d8/0x520
[  242.893920]  ? bpf_prog_get+0x20/0x20
[  242.897731]  ? do_syscall_64+0x1e1/0x820
[  242.901804]  ? do_syscall_64+0x1b9/0x820
[  242.905867]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.911239]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.916168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.921016]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.926033]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.931048]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.936069]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.940922]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.946301] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  242.946379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.952796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.952805] Call Trace:
[  242.959374] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.968625]  <IRQ>
[  242.971193] syz-executor5 cpuset=syz5 mems_allowed=0
[  242.981672]  dump_stack+0x244/0x39d
[  242.992514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.997719]  warn_alloc.cold.116+0xb7/0x1bd
[  243.002046]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.006898]  ? lock_downgrade+0x900/0x900
[  243.011057]  ? trace_hardirqs_off+0xb8/0x310
[  243.015471]  ? trace_hardirqs_off+0xb8/0x310
[  243.019886]  __alloc_pages_slowpath+0x2651/0x2de0
[  243.024757]  ? warn_alloc+0x120/0x120
[  243.028563]  ? print_usage_bug+0xc0/0xc0
[  243.032624]  ? warn_alloc+0x120/0x120
[  243.036433]  ? warn_alloc+0x120/0x120
[  243.040241]  ? print_usage_bug+0xc0/0xc0
[  243.044312]  ? print_usage_bug+0xc0/0xc0
[  243.048375]  ? __lock_acquire+0x62f/0x4c20
[  243.052622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.058159]  ? should_fail+0x22d/0xd01
[  243.062048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.067156]  ? __lock_acquire+0x62f/0x4c20
[  243.071394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.076495]  ? __lock_acquire+0x62f/0x4c20
[  243.080729]  ? should_fail+0x22d/0xd01
[  243.084643]  ? find_held_lock+0x36/0x1c0
[  243.088712]  ? mark_held_locks+0x130/0x130
[  243.092967]  ? mark_held_locks+0x130/0x130
[  243.097196]  ? zap_class+0x640/0x640
[  243.100914]  ? zap_class+0x640/0x640
[  243.104633]  ? print_usage_bug+0xc0/0xc0
[  243.108692]  ? do_raw_spin_unlock+0xa7/0x330
[  243.113097]  ? zap_class+0x640/0x640
[  243.116820]  ? print_usage_bug+0xc0/0xc0
[  243.120880]  ? wq_watchdog_touch+0x9c/0xfe
[  243.125115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.130652]  ? check_preemption_disabled+0x48/0x280
[  243.135708]  ? __lock_is_held+0xb5/0x140
[  243.139773]  __alloc_pages_nodemask+0xad8/0xea0
[  243.144441]  ? zap_class+0x640/0x640
[  243.148162]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  243.153192]  ? find_held_lock+0x36/0x1c0
[  243.157272]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.161945]  ? lock_downgrade+0x900/0x900
[  243.166098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.171665]  cache_grow_begin+0xa5/0x8c0
[  243.175723]  ? do_raw_spin_unlock+0xa7/0x330
[  243.180137]  fallback_alloc+0x204/0x2e0
[  243.184121]  ____cache_alloc_node+0x1c7/0x1e0
[  243.188623]  kmem_cache_alloc_node+0xe3/0x730
[  243.193118]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.197367]  __alloc_skb+0x119/0x770
[  243.201095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.206377]  ? netdev_alloc_frag+0x1f0/0x1f0
[  243.210784]  ? lock_downgrade+0x900/0x900
[  243.214938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.220487]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.225957]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.231412]  ? addrconf_rs_timer+0x690/0x690
[  243.235832]  ndisc_alloc_skb+0x144/0x340
[  243.239900]  ndisc_send_rs+0x331/0x6e0
[  243.243796]  addrconf_rs_timer+0x314/0x690
[  243.248034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.252288]  call_timer_fn+0x272/0x920
[  243.256176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.260410]  ? process_timeout+0x40/0x40
[  243.264479]  ? mark_held_locks+0xc7/0x130
[  243.268628]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.273119]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.277610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.281843]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.286429]  ? trace_hardirqs_on+0xbd/0x310
[  243.290748]  ? kasan_check_read+0x11/0x20
[  243.294892]  ? __run_timers+0x7da/0xc70
[  243.298867]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.303976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.308218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.312465]  __run_timers+0x7e5/0xc70
[  243.316284]  ? timer_fixup_init+0x70/0x70
[  243.320435]  ? kasan_check_read+0x11/0x20
[  243.324579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.329857]  ? rcu_softirq_qs+0x20/0x20
[  243.333837]  ? mark_held_locks+0xc7/0x130
[  243.337992]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.342749]  ? retint_kernel+0x2d/0x2d
[  243.346636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.351567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.356326]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.361779]  ? zap_class+0x640/0x640
[  243.365501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.371038]  ? check_preemption_disabled+0x48/0x280
[  243.376064]  ? __lock_is_held+0xb5/0x140
[  243.380171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.385708]  ? check_preemption_disabled+0x48/0x280
[  243.390728]  run_timer_softirq+0x52/0xb0
[  243.394788]  ? rcu_read_lock_sched_held+0x14f/0x180
[  243.399806]  __do_softirq+0x308/0xb7e
[  243.403609]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  243.408101]  ? lock_downgrade+0x900/0x900
[  243.412264]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  243.417378]  ? pvclock_read_flags+0x160/0x160
[  243.421874]  ? lapic_next_event+0x5a/0x90
[  243.426023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.431567]  ? kvm_clock_read+0x18/0x30
[  243.435541]  ? kvm_sched_clock_read+0x9/0x20
[  243.439949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.445486]  ? check_preemption_disabled+0x48/0x280
[  243.450509]  irq_exit+0x17f/0x1c0
[  243.453966]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.458806]  ? smp_reschedule_interrupt+0x109/0x650
[  243.463821]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.469705]  ? interrupt_entry+0xb5/0xc0
[  243.473765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.478781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.483796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.488652]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.493693]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.498719]  ? task_prio+0x50/0x50
[  243.502269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.507809]  ? check_preemption_disabled+0x48/0x280
[  243.512829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.517677]  apic_timer_interrupt+0xf/0x20
[  243.521905]  </IRQ>
[  243.524146] RIP: 0010:dump_stack+0x358/0x39d
[  243.528554] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  243.547455] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  243.555164] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  243.562431] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  243.569696] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  243.576963] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  243.584240] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  243.591538]  ? dump_stack+0x34f/0x39d
[  243.595354]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.600548]  ? mark_held_locks+0x130/0x130
[  243.604785]  ? mark_held_locks+0x130/0x130
[  243.609023]  dump_header+0x27b/0xf72
[  243.612752]  ? pagefault_out_of_memory+0x197/0x197
[  243.617687]  ? __lock_acquire+0x62f/0x4c20
[  243.621926]  ? percpu_ref_get_many+0x240/0x240
[  243.626513]  ? print_usage_bug+0xc0/0xc0
[  243.630582]  ? zap_class+0x640/0x640
[  243.634304]  ? print_usage_bug+0xc0/0xc0
[  243.638365]  ? print_usage_bug+0xc0/0xc0
[  243.642428]  ? zap_class+0x640/0x640
[  243.646144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.651685]  ? find_held_lock+0x36/0x1c0
[  243.655754]  ? mark_held_locks+0xc7/0x130
[  243.659908]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.665013]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.670118]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  243.674706]  ? trace_hardirqs_on+0xbd/0x310
[  243.679029]  ? kasan_check_read+0x11/0x20
[  243.683176]  ? ___ratelimit+0x3b4/0x672
[  243.687153]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.692268]  ? trace_hardirqs_on+0x310/0x310
[  243.696681]  ? lock_downgrade+0x900/0x900
[  243.700836]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.705939]  ? ___ratelimit+0x3b9/0x672
[  243.709917]  ? idr_get_free+0xf70/0xf70
[  243.713890]  ? find_held_lock+0x36/0x1c0
[  243.717963]  oom_kill_process.cold.27+0x10/0x903
[  243.722718]  ? zap_class+0x640/0x640
[  243.726437]  ? check_preemption_disabled+0x48/0x280
[  243.731480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.736411]  ? kasan_check_read+0x11/0x20
[  243.740559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.745835]  ? oom_evaluate_task+0x540/0x540
[  243.750268]  ? find_held_lock+0x36/0x1c0
[  243.754339]  ? out_of_memory+0x974/0x1430
[  243.758487]  ? lock_downgrade+0x900/0x900
[  243.762638]  ? check_preemption_disabled+0x48/0x280
[  243.767661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.772591]  ? kasan_check_read+0x11/0x20
[  243.776738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.782013]  ? rcu_softirq_qs+0x20/0x20
[  243.785991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.791549]  ? oom_evaluate_task+0x302/0x540
[  243.795962]  out_of_memory+0xa84/0x1430
[  243.799960]  ? oom_killer_disable+0x3a0/0x3a0
[  243.804458]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  243.809390]  ? __ww_mutex_check_waiters+0x160/0x160
[  243.814421]  __alloc_pages_slowpath+0x232c/0x2de0
[  243.819301]  ? warn_alloc+0x120/0x120
[  243.823100]  ? mark_held_locks+0x130/0x130
[  243.827346]  ? find_get_entry+0xaae/0x1120
[  243.831593]  ? filemap_map_pages+0x1a20/0x1a20
[  243.836177]  ? zap_class+0x640/0x640
[  243.839902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.845454]  ? check_preemption_disabled+0x48/0x280
[  243.850470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.856013]  ? should_fail+0x22d/0xd01
[  243.859903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.865010]  ? zap_class+0x640/0x640
[  243.868747]  ? __lock_is_held+0xb5/0x140
[  243.872818]  ? mark_held_locks+0x130/0x130
[  243.877054]  ? lock_release+0xa00/0xa00
[  243.881031]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.886482]  ? xa_load+0x2ba/0x460
[  243.890025]  ? lock_downgrade+0x900/0x900
[  243.894178]  ? __might_sleep+0x95/0x190
[  243.898156]  __alloc_pages_nodemask+0xad8/0xea0
[  243.902838]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  243.907862]  ? __page_cache_alloc+0x191/0x5c0
[  243.912359]  ? xa_load+0x2e1/0x460
[  243.915901]  ? xa_clear_mark+0x40/0x40
[  243.919789]  ? zap_class+0x640/0x640
[  243.923510]  ? zap_class+0x640/0x640
[  243.927223]  ? zap_class+0x640/0x640
[  243.930964]  ? __do_page_cache_readahead+0x663/0x810
[  243.936071]  ? find_held_lock+0x36/0x1c0
[  243.940138]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.945682]  alloc_pages_current+0x173/0x350
[  243.950100]  __page_cache_alloc+0x38c/0x5c0
[  243.954418]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.959349]  ? kasan_check_read+0x11/0x20
[  243.963496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.968777]  ? generic_perform_write+0x6a0/0x6a0
[  243.973547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.979089]  ? check_preemption_disabled+0x48/0x280
[  243.984118]  filemap_fault+0x1595/0x25f0
[  243.988194]  ? __lock_page_or_retry+0xa00/0xa00
[  243.992873]  ? mark_held_locks+0x130/0x130
[  243.997115]  ? filemap_map_pages+0xd6b/0x1a20
[  244.001612]  ? lock_downgrade+0x900/0x900
[  244.005758]  ? check_preemption_disabled+0x48/0x280
[  244.010777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.015706]  ? kasan_check_read+0x11/0x20
[  244.019851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.025128]  ? rcu_softirq_qs+0x20/0x20
[  244.029117]  ? filemap_map_pages+0xd92/0x1a20
[  244.033623]  ? find_get_entries_tag+0x1400/0x1400
[  244.038486]  ? lock_acquire+0x1ed/0x520
[  244.042461]  ? ext4_filemap_fault+0x7a/0xad
[  244.046788]  ? lock_release+0xa00/0xa00
[  244.050765]  ? perf_trace_sched_process_exec+0x860/0x860
[  244.056219]  ? mark_held_locks+0x130/0x130
[  244.060469]  ? print_usage_bug+0xc0/0xc0
[  244.064536]  ? print_usage_bug+0xc0/0xc0
[  244.068612]  ? down_read+0x8d/0x120
[  244.072243]  ? ext4_filemap_fault+0x7a/0xad
[  244.076572]  ? __down_interruptible+0x700/0x700
[  244.081261]  ext4_filemap_fault+0x82/0xad
[  244.085418]  __do_fault+0x100/0x6b0
[  244.089047]  ? pmd_devmap_trans_unstable+0x220/0x220
[  244.094155]  ? mark_held_locks+0x130/0x130
[  244.098391]  ? mark_held_locks+0x130/0x130
[  244.102633]  ? hrtimer_forward+0x2a0/0x2a0
[  244.106869]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  244.111717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.117270]  __handle_mm_fault+0x3ea6/0x5be0
[  244.121688]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  244.126530]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  244.131632]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  244.136736]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.141325]  ? trace_hardirqs_on+0xbd/0x310
[  244.145652]  ? kasan_check_read+0x11/0x20
[  244.149806]  ? __free_object+0x173/0x340
[  244.153879]  ? zap_class+0x640/0x640
[  244.157589]  ? zap_class+0x640/0x640
[  244.161300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.166411]  ? find_held_lock+0x36/0x1c0
[  244.170483]  ? handle_mm_fault+0x42a/0xc70
[  244.174723]  ? lock_downgrade+0x900/0x900
[  244.178874]  ? check_preemption_disabled+0x48/0x280
[  244.183897]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.188829]  ? kasan_check_read+0x11/0x20
[  244.192976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.198264]  ? rcu_softirq_qs+0x20/0x20
[  244.202244]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.207356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.212899]  ? check_preemption_disabled+0x48/0x280
[  244.217923]  handle_mm_fault+0x54f/0xc70
[  244.221992]  ? __handle_mm_fault+0x5be0/0x5be0
[  244.226581]  ? find_vma+0x34/0x190
[  244.230127]  __do_page_fault+0x5e8/0xe60
[  244.234188]  ? trace_hardirqs_off+0xb8/0x310
[  244.238608]  do_page_fault+0xf2/0x7e0
[  244.242408]  ? vmalloc_sync_all+0x30/0x30
[  244.246557]  ? error_entry+0x70/0xd0
[  244.250276]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.255293]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.260221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.265160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.270003]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.275017]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.280469]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.285491]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.290510]  ? page_fault+0x8/0x30
[  244.294051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.298899]  ? page_fault+0x8/0x30
[  244.302439]  page_fault+0x1e/0x30
[  244.305887] RIP: 0033:0x7f4afc2d3e40
[  244.309612] Code: Bad RIP value.
[  244.312971] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  244.318333] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  244.325614] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  244.332880] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  244.340149] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  244.347418] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  244.354714] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  244.354720] warn_alloc_show_mem: 1 callbacks suppressed
[  244.354727] Mem-Info:
[  244.362092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.367964] active_anon:57379 inactive_anon:189 isolated_anon:0
[  244.367964]  active_file:13 inactive_file:16 isolated_file:0
[  244.367964]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.367964]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  244.367964]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  244.367964]  free:13771 free_pcp:208 free_cma:0
[  244.370339] Call Trace:
[  244.379727] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.412572]  <IRQ>
[  244.415142] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  244.442637]  dump_stack+0x244/0x39d
[  244.444756] lowmem_reserve[]: 0 2818 6321 6321
[  244.470877]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.474474] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  244.479057]  warn_alloc.cold.116+0xb7/0x1bd
[  244.484215] lowmem_reserve[]: 0 0 3503 3503
[  244.512329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.516629] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  244.520944]  ? lock_downgrade+0x900/0x900
[  244.525755] lowmem_reserve[]: 0 0 0 0
[  244.554669]  ? trace_hardirqs_off+0xb8/0x310
[  244.558790] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  244.562584]  ? trace_hardirqs_off+0xb8/0x310
[  244.566964] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  244.580486]  __alloc_pages_slowpath+0x2651/0x2de0
[  244.584867] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  244.600314]  ? warn_alloc+0x120/0x120
[  244.605118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.619844]  ? print_usage_bug+0xc0/0xc0
[  244.623623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.632442]  ? warn_alloc+0x120/0x120
[  244.636481] 273 total pagecache pages
[  244.645046]  ? warn_alloc+0x120/0x120
[  244.648828] 0 pages in swap cache
[  244.652633]  ? print_usage_bug+0xc0/0xc0
[  244.656414] Swap cache stats: add 0, delete 0, find 0/0
[  244.659859]  ? kvm_clock_read+0x18/0x30
[  244.663896] Free swap  = 0kB
[  244.669259]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  244.673209] Total swap = 0kB
[  244.676225]  ? print_usage_bug+0xc0/0xc0
[  244.681235] 1965979 pages RAM
[  244.684252]  ? __lock_acquire+0x62f/0x4c20
[  244.688295] 0 pages HighMem/MovableOnly
[  244.691391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.695601] 342853 pages reserved
[  244.699570]  ? should_fail+0x22d/0xd01
[  244.705083] 0 pages cma reserved
[  244.708531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.712449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.715757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.715773]  ? __lock_acquire+0x62f/0x4c20
[  244.715791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.721100] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.727530]  ? __lock_acquire+0x62f/0x4c20
[  244.732605] cron cpuset=/ mems_allowed=0
[  244.736833]  ? should_fail+0x22d/0xd01
[  244.763793]  ? rcu_irq_exit+0x1a2/0x390
[  244.767784]  ? mark_held_locks+0x130/0x130
[  244.772025]  ? mark_held_locks+0x130/0x130
[  244.776269]  ? mark_held_locks+0xc7/0x130
[  244.780421]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  244.785438]  ? zap_class+0x640/0x640
[  244.789150]  ? print_usage_bug+0xc0/0xc0
[  244.793216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.798770]  ? check_preemption_disabled+0x48/0x280
[  244.803795]  ? __lock_is_held+0xb5/0x140
[  244.807861]  __alloc_pages_nodemask+0xad8/0xea0
[  244.812531]  ? zap_class+0x640/0x640
[  244.816260]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  244.821286]  ? find_held_lock+0x36/0x1c0
[  244.825358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.830027]  ? lock_downgrade+0x900/0x900
[  244.834184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.839729]  cache_grow_begin+0xa5/0x8c0
[  244.843791]  ? do_raw_spin_unlock+0xa7/0x330
[  244.848208]  fallback_alloc+0x204/0x2e0
[  244.852196]  ____cache_alloc_node+0x1c7/0x1e0
[  244.856702]  kmem_cache_alloc_node+0xe3/0x730
[  244.861201]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.865457]  __alloc_skb+0x119/0x770
[  244.869169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.874451]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.878859]  ? lock_downgrade+0x900/0x900
[  244.883014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.888551]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.894010]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.899464]  ? addrconf_rs_timer+0x690/0x690
[  244.903886]  ndisc_alloc_skb+0x144/0x340
[  244.907953]  ndisc_send_rs+0x331/0x6e0
[  244.911845]  addrconf_rs_timer+0x314/0x690
[  244.916088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.920335]  call_timer_fn+0x272/0x920
[  244.924224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.928474]  ? process_timeout+0x40/0x40
[  244.932540]  ? __run_timers+0x7da/0xc70
[  244.936514]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.941004]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.945496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.949732]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.954328]  ? trace_hardirqs_on+0xbd/0x310
[  244.958648]  ? kasan_check_read+0x11/0x20
[  244.962795]  ? __run_timers+0x7da/0xc70
[  244.966775]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.971885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.976124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.980359]  __run_timers+0x7e5/0xc70
[  244.984173]  ? timer_fixup_init+0x70/0x70
[  244.988327]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  244.993347]  ? zap_class+0x640/0x640
[  244.997064]  ? enqueue_hrtimer+0x1a5/0x560
[  245.001304]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.006501]  ? find_held_lock+0x36/0x1c0
[  245.010566]  ? zap_class+0x640/0x640
[  245.014284]  ? pvclock_read_flags+0x160/0x160
[  245.018784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.024327]  ? check_preemption_disabled+0x48/0x280
[  245.029355]  ? __lock_is_held+0xb5/0x140
[  245.033416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.038953]  ? check_preemption_disabled+0x48/0x280
[  245.043974]  run_timer_softirq+0x52/0xb0
[  245.048039]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.053056]  __do_softirq+0x308/0xb7e
[  245.056873]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.061365]  ? lock_downgrade+0x900/0x900
[  245.065519]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.070631]  ? pvclock_read_flags+0x160/0x160
[  245.075129]  ? lapic_next_event+0x5a/0x90
[  245.079282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.084828]  ? kvm_clock_read+0x18/0x30
[  245.088805]  ? kvm_sched_clock_read+0x9/0x20
[  245.093213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.098766]  ? check_preemption_disabled+0x48/0x280
[  245.103797]  irq_exit+0x17f/0x1c0
[  245.107261]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.112102]  ? smp_reschedule_interrupt+0x109/0x650
[  245.117119]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.123001]  ? interrupt_entry+0xb5/0xc0
[  245.127064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.132084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.137103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.141944]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.146957]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.151971]  ? task_prio+0x50/0x50
[  245.155530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.161072]  ? check_preemption_disabled+0x48/0x280
[  245.166099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.170950]  apic_timer_interrupt+0xf/0x20
[  245.175179]  </IRQ>
[  245.177418] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.182347] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  245.201250] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.208958] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  245.216234] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  245.223500] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  245.230772] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  245.238042] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  245.245354]  skb_clone+0x1bb/0x500
[  245.248896]  ? finish_task_switch+0x1b4/0x910
[  245.253391]  ? skb_split+0x11e0/0x11e0
[  245.257284]  ? preempt_notifier_register+0x200/0x200
[  245.262385]  ? __switch_to_asm+0x34/0x70
[  245.266443]  ? __switch_to_asm+0x34/0x70
[  245.270500]  ? __switch_to_asm+0x40/0x70
[  245.274557]  ? __switch_to_asm+0x34/0x70
[  245.278613]  ? __switch_to_asm+0x40/0x70
[  245.282669]  ? __switch_to_asm+0x34/0x70
[  245.286730]  ? __switch_to_asm+0x40/0x70
[  245.290793]  ? __switch_to_asm+0x34/0x70
[  245.294854]  ? __switch_to_asm+0x34/0x70
[  245.298911]  ? __switch_to_asm+0x40/0x70
[  245.302967]  ? __switch_to_asm+0x34/0x70
[  245.307030]  bpf_clone_redirect+0xb9/0x490
[  245.311264]  ? __schedule+0x8d7/0x21d0
[  245.315157]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  245.320176]  ? __sched_text_start+0x8/0x8
[  245.324328]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.329085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  245.333665]  ? retint_kernel+0x2d/0x2d
[  245.337559]  ? find_held_lock+0x36/0x1c0
[  245.341626]  ? lock_acquire+0x1ed/0x520
[  245.345599]  ? bpf_test_run+0x3ee/0x7a0
[  245.349579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.355116]  ? check_preemption_disabled+0x48/0x280
[  245.360135]  ? kasan_check_read+0x11/0x20
[  245.364283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.369561]  ? rcu_softirq_qs+0x20/0x20
[  245.373537]  ? preempt_schedule+0x4d/0x60
[  245.377684]  ? ___preempt_schedule+0x16/0x18
[  245.382103]  ? bpf_test_run+0x271/0x7a0
[  245.386087]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.390498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.396032]  ? bpf_test_init.isra.10+0x70/0x100
[  245.400708]  ? bpf_prog_test_run_skb+0x762/0xd60
[  245.405474]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  245.410325]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.415863]  ? fput+0x130/0x1a0
[  245.419147]  ? __bpf_prog_get+0x9b/0x290
[  245.423212]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  245.428058]  ? bpf_prog_test_run+0x130/0x1a0
[  245.432473]  ? __x64_sys_bpf+0x3d8/0x520
[  245.436533]  ? bpf_prog_get+0x20/0x20
[  245.440349]  ? do_syscall_64+0x1e1/0x820
[  245.444417]  ? do_syscall_64+0x1b9/0x820
[  245.448478]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.453846]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.458782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.463628]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.468647]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.473667]  ? prepare_exit_to_usermode+0x291/0x3b0
[  245.478707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.483554]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.488951] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  245.489028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.495442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.495448] Call Trace:
[  245.495454]  <IRQ>
[  245.495472]  dump_stack+0x244/0x39d
[  245.495491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.502017] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.511321]  warn_alloc.cold.116+0xb7/0x1bd
[  245.513872] syz-executor5 cpuset=syz5 mems_allowed=0
[  245.516017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.549502]  ? lock_downgrade+0x900/0x900
[  245.553660]  ? trace_hardirqs_off+0xb8/0x310
[  245.558077]  ? trace_hardirqs_off+0xb8/0x310
[  245.562494]  __alloc_pages_slowpath+0x2651/0x2de0
[  245.567362]  ? warn_alloc+0x120/0x120
[  245.571165]  ? print_usage_bug+0xc0/0xc0
[  245.575242]  ? warn_alloc+0x120/0x120
[  245.579052]  ? warn_alloc+0x120/0x120
[  245.582865]  ? print_usage_bug+0xc0/0xc0
[  245.586929]  ? print_usage_bug+0xc0/0xc0
[  245.590989]  ? __lock_acquire+0x62f/0x4c20
[  245.595259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.600803]  ? should_fail+0x22d/0xd01
[  245.604695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.609801]  ? __lock_acquire+0x62f/0x4c20
[  245.614042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.619140]  ? __lock_acquire+0x62f/0x4c20
[  245.623370]  ? should_fail+0x22d/0xd01
[  245.627265]  ? find_held_lock+0x36/0x1c0
[  245.631337]  ? mark_held_locks+0x130/0x130
[  245.635575]  ? mark_held_locks+0x130/0x130
[  245.639808]  ? zap_class+0x640/0x640
[  245.643521]  ? zap_class+0x640/0x640
[  245.647246]  ? print_usage_bug+0xc0/0xc0
[  245.651309]  ? do_raw_spin_unlock+0xa7/0x330
[  245.655717]  ? zap_class+0x640/0x640
[  245.659433]  ? print_usage_bug+0xc0/0xc0
[  245.663492]  ? wq_watchdog_touch+0x9c/0xfe
[  245.667729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.673275]  ? check_preemption_disabled+0x48/0x280
[  245.678305]  ? __lock_is_held+0xb5/0x140
[  245.682372]  __alloc_pages_nodemask+0xad8/0xea0
[  245.687038]  ? zap_class+0x640/0x640
[  245.690759]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  245.695789]  ? find_held_lock+0x36/0x1c0
[  245.699863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.704533]  ? lock_downgrade+0x900/0x900
[  245.708689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.714241]  cache_grow_begin+0xa5/0x8c0
[  245.718307]  ? do_raw_spin_unlock+0xa7/0x330
[  245.722724]  fallback_alloc+0x204/0x2e0
[  245.726707]  ____cache_alloc_node+0x1c7/0x1e0
[  245.731208]  kmem_cache_alloc_node+0xe3/0x730
[  245.735713]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.739962]  __alloc_skb+0x119/0x770
[  245.743674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.748956]  ? netdev_alloc_frag+0x1f0/0x1f0
[  245.753369]  ? lock_downgrade+0x900/0x900
[  245.757529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.763070]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.768524]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.773972]  ? addrconf_rs_timer+0x690/0x690
[  245.778395]  ndisc_alloc_skb+0x144/0x340
[  245.782462]  ndisc_send_rs+0x331/0x6e0
[  245.786354]  addrconf_rs_timer+0x314/0x690
[  245.790597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.794844]  call_timer_fn+0x272/0x920
[  245.798729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.802961]  ? process_timeout+0x40/0x40
[  245.807033]  ? mark_held_locks+0xc7/0x130
[  245.811181]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.815672]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.820163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.824397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.828984]  ? trace_hardirqs_on+0xbd/0x310
[  245.833307]  ? kasan_check_read+0x11/0x20
[  245.837453]  ? __run_timers+0x7da/0xc70
[  245.841433]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.846539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.850778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.855014]  __run_timers+0x7e5/0xc70
[  245.858828]  ? timer_fixup_init+0x70/0x70
[  245.862974]  ? kasan_check_read+0x11/0x20
[  245.867121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.872396]  ? rcu_softirq_qs+0x20/0x20
[  245.876373]  ? mark_held_locks+0xc7/0x130
[  245.880524]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.885285]  ? retint_kernel+0x2d/0x2d
[  245.889176]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.894105]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.898861]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.904312]  ? zap_class+0x640/0x640
[  245.908031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.913569]  ? check_preemption_disabled+0x48/0x280
[  245.918592]  ? __lock_is_held+0xb5/0x140
[  245.922659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.928197]  ? check_preemption_disabled+0x48/0x280
[  245.933224]  run_timer_softirq+0x52/0xb0
[  245.937304]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.942322]  __do_softirq+0x308/0xb7e
[  245.946125]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.950617]  ? lock_downgrade+0x900/0x900
[  245.954766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.959876]  ? pvclock_read_flags+0x160/0x160
[  245.964376]  ? lapic_next_event+0x5a/0x90
[  245.968530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.974076]  ? kvm_clock_read+0x18/0x30
[  245.978055]  ? kvm_sched_clock_read+0x9/0x20
[  245.982465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.988004]  ? check_preemption_disabled+0x48/0x280
[  245.993032]  irq_exit+0x17f/0x1c0
[  245.996491]  smp_apic_timer_interrupt+0x1cb/0x760
[  246.001330]  ? smp_reschedule_interrupt+0x109/0x650
[  246.006349]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.012239]  ? interrupt_entry+0xb5/0xc0
[  246.016309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.021327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.026345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.031187]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.036200]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.041223]  ? task_prio+0x50/0x50
[  246.044781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.050325]  ? check_preemption_disabled+0x48/0x280
[  246.055350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.060205]  apic_timer_interrupt+0xf/0x20
[  246.064444]  </IRQ>
[  246.066685] RIP: 0010:dump_stack+0x358/0x39d
[  246.071094] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  246.090082] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  246.097792] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  246.105061] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  246.112347] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  246.119613] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  246.126879] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  246.134167]  ? dump_stack+0x34f/0x39d
[  246.137981]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.143174]  ? mark_held_locks+0x130/0x130
[  246.147410]  ? mark_held_locks+0x130/0x130
[  246.151651]  dump_header+0x27b/0xf72
[  246.155381]  ? pagefault_out_of_memory+0x197/0x197
[  246.160319]  ? __lock_acquire+0x62f/0x4c20
[  246.164555]  ? percpu_ref_get_many+0x240/0x240
[  246.169141]  ? print_usage_bug+0xc0/0xc0
[  246.173208]  ? zap_class+0x640/0x640
[  246.176931]  ? print_usage_bug+0xc0/0xc0
[  246.180992]  ? print_usage_bug+0xc0/0xc0
[  246.185057]  ? zap_class+0x640/0x640
[  246.188775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.194323]  ? find_held_lock+0x36/0x1c0
[  246.198392]  ? mark_held_locks+0xc7/0x130
[  246.202543]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.207642]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.212749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.217337]  ? trace_hardirqs_on+0xbd/0x310
[  246.221658]  ? kasan_check_read+0x11/0x20
[  246.225802]  ? ___ratelimit+0x3b4/0x672
[  246.229778]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.234881]  ? trace_hardirqs_on+0x310/0x310
[  246.239290]  ? lock_downgrade+0x900/0x900
[  246.243445]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.248548]  ? ___ratelimit+0x3b9/0x672
[  246.252526]  ? idr_get_free+0xf70/0xf70
[  246.256497]  ? find_held_lock+0x36/0x1c0
[  246.260584]  oom_kill_process.cold.27+0x10/0x903
[  246.265341]  ? zap_class+0x640/0x640
[  246.269055]  ? check_preemption_disabled+0x48/0x280
[  246.274077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.279005]  ? kasan_check_read+0x11/0x20
[  246.283150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.288426]  ? oom_evaluate_task+0x540/0x540
[  246.292840]  ? find_held_lock+0x36/0x1c0
[  246.296931]  ? out_of_memory+0x974/0x1430
[  246.301081]  ? lock_downgrade+0x900/0x900
[  246.305239]  ? check_preemption_disabled+0x48/0x280
[  246.310281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.315209]  ? kasan_check_read+0x11/0x20
[  246.319364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.324644]  ? rcu_softirq_qs+0x20/0x20
[  246.328623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.334161]  ? oom_evaluate_task+0x302/0x540
[  246.338571]  out_of_memory+0xa84/0x1430
[  246.342554]  ? oom_killer_disable+0x3a0/0x3a0
[  246.347051]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  246.351985]  ? __ww_mutex_check_waiters+0x160/0x160
[  246.357016]  __alloc_pages_slowpath+0x232c/0x2de0
[  246.361886]  ? warn_alloc+0x120/0x120
[  246.366129]  ? mark_held_locks+0x130/0x130
[  246.370375]  ? find_get_entry+0xaae/0x1120
[  246.374620]  ? filemap_map_pages+0x1a20/0x1a20
[  246.379206]  ? zap_class+0x640/0x640
[  246.382935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.388473]  ? check_preemption_disabled+0x48/0x280
[  246.393490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.399030]  ? should_fail+0x22d/0xd01
[  246.402921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.408025]  ? zap_class+0x640/0x640
[  246.411764]  ? __lock_is_held+0xb5/0x140
[  246.415832]  ? mark_held_locks+0x130/0x130
[  246.420070]  ? lock_release+0xa00/0xa00
[  246.424044]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.429494]  ? xa_load+0x2ba/0x460
[  246.433036]  ? lock_downgrade+0x900/0x900
[  246.437190]  ? __might_sleep+0x95/0x190
[  246.441172]  __alloc_pages_nodemask+0xad8/0xea0
[  246.445847]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  246.450863]  ? __page_cache_alloc+0x191/0x5c0
[  246.455358]  ? xa_load+0x2e1/0x460
[  246.458900]  ? xa_clear_mark+0x40/0x40
[  246.462790]  ? zap_class+0x640/0x640
[  246.466511]  ? zap_class+0x640/0x640
[  246.470225]  ? zap_class+0x640/0x640
[  246.473951]  ? __do_page_cache_readahead+0x663/0x810
[  246.479058]  ? find_held_lock+0x36/0x1c0
[  246.483124]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.488669]  alloc_pages_current+0x173/0x350
[  246.493085]  __page_cache_alloc+0x38c/0x5c0
[  246.497527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.502456]  ? kasan_check_read+0x11/0x20
[  246.506602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.511881]  ? generic_perform_write+0x6a0/0x6a0
[  246.516637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.522177]  ? check_preemption_disabled+0x48/0x280
[  246.527204]  filemap_fault+0x1595/0x25f0
[  246.531292]  ? __lock_page_or_retry+0xa00/0xa00
[  246.535968]  ? mark_held_locks+0x130/0x130
[  246.540210]  ? filemap_map_pages+0xd6b/0x1a20
[  246.544720]  ? lock_downgrade+0x900/0x900
[  246.548866]  ? check_preemption_disabled+0x48/0x280
[  246.553885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.558813]  ? kasan_check_read+0x11/0x20
[  246.562961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.568244]  ? rcu_softirq_qs+0x20/0x20
[  246.572258]  ? filemap_map_pages+0xd92/0x1a20
[  246.576777]  ? find_get_entries_tag+0x1400/0x1400
[  246.581640]  ? lock_acquire+0x1ed/0x520
[  246.585615]  ? ext4_filemap_fault+0x7a/0xad
[  246.589946]  ? lock_release+0xa00/0xa00
[  246.593917]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.599366]  ? mark_held_locks+0x130/0x130
[  246.603602]  ? print_usage_bug+0xc0/0xc0
[  246.607666]  ? print_usage_bug+0xc0/0xc0
[  246.611738]  ? down_read+0x8d/0x120
[  246.615364]  ? ext4_filemap_fault+0x7a/0xad
[  246.619685]  ? __down_interruptible+0x700/0x700
[  246.624363]  ext4_filemap_fault+0x82/0xad
[  246.628513]  __do_fault+0x100/0x6b0
[  246.632145]  ? pmd_devmap_trans_unstable+0x220/0x220
[  246.637267]  ? mark_held_locks+0x130/0x130
[  246.641503]  ? mark_held_locks+0x130/0x130
[  246.645775]  ? hrtimer_forward+0x2a0/0x2a0
[  246.650013]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  246.654856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.660413]  __handle_mm_fault+0x3ea6/0x5be0
[  246.664836]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  246.669680]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.674783]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.679887]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.684476]  ? trace_hardirqs_on+0xbd/0x310
[  246.688797]  ? kasan_check_read+0x11/0x20
[  246.692946]  ? __free_object+0x173/0x340
[  246.697019]  ? zap_class+0x640/0x640
[  246.700732]  ? zap_class+0x640/0x640
[  246.704443]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.709548]  ? find_held_lock+0x36/0x1c0
[  246.713623]  ? handle_mm_fault+0x42a/0xc70
[  246.717863]  ? lock_downgrade+0x900/0x900
[  246.722015]  ? check_preemption_disabled+0x48/0x280
[  246.727044]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.731977]  ? kasan_check_read+0x11/0x20
[  246.736124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.741398]  ? rcu_softirq_qs+0x20/0x20
[  246.745371]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.750474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.756012]  ? check_preemption_disabled+0x48/0x280
[  246.761042]  handle_mm_fault+0x54f/0xc70
[  246.765107]  ? __handle_mm_fault+0x5be0/0x5be0
[  246.769695]  ? find_vma+0x34/0x190
[  246.773245]  __do_page_fault+0x5e8/0xe60
[  246.777314]  ? trace_hardirqs_off+0xb8/0x310
[  246.781741]  do_page_fault+0xf2/0x7e0
[  246.785543]  ? vmalloc_sync_all+0x30/0x30
[  246.789692]  ? error_entry+0x70/0xd0
[  246.793408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.798428]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.803357]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.808288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.813129]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.818145]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.823599]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  246.828618]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.833635]  ? page_fault+0x8/0x30
[  246.837194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.842046]  ? page_fault+0x8/0x30
[  246.845584]  page_fault+0x1e/0x30
[  246.849033] RIP: 0033:0x7f4afc2d3e40
[  246.852758] Code: Bad RIP value.
[  246.856135] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  246.861493] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  246.868759] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  246.876111] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  246.883377] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  246.890644] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  246.897939] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  246.897944] warn_alloc_show_mem: 1 callbacks suppressed
[  246.897951] Mem-Info:
[  246.905308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.905316] Call Trace:
[  246.910687] active_anon:57379 inactive_anon:189 isolated_anon:0
[  246.910687]  active_file:13 inactive_file:16 isolated_file:0
[  246.910687]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.910687]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  246.910687]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  246.910687]  free:13771 free_pcp:208 free_cma:0
[  246.913086]  <IRQ>
[  246.922452] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.925039]  dump_stack+0x244/0x39d
[  246.957906] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.960065]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.987532] lowmem_reserve[]: 0 2818 6321 6321
[  246.991169]  warn_alloc.cold.116+0xb7/0x1bd
[  247.017249] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  247.022438]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.026988] lowmem_reserve[]: 0 0 3503 3503
[  247.031310]  ? lock_downgrade+0x900/0x900
[  247.058871] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  247.063716]  ? trace_hardirqs_off+0xb8/0x310
[  247.068002] lowmem_reserve[]: 0 0 0 0
[  247.072144]  ? trace_hardirqs_off+0xb8/0x310
[  247.101024] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  247.105436]  __alloc_pages_slowpath+0x2651/0x2de0
[  247.109206] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  247.113640]  ? warn_alloc+0x120/0x120
[  247.127116] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  247.131954]  ? print_usage_bug+0xc0/0xc0
[  247.147365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.151153]  ? warn_alloc+0x120/0x120
[  247.165700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.169761]  ? warn_alloc+0x120/0x120
[  247.178563] 273 total pagecache pages
[  247.182359]  ? print_usage_bug+0xc0/0xc0
[  247.190916] 0 pages in swap cache
[  247.194705]  ? print_usage_bug+0xc0/0xc0
[  247.198480] Swap cache stats: add 0, delete 0, find 0/0
[  247.202530]  ? __lock_acquire+0x62f/0x4c20
[  247.205958] Free swap  = 0kB
[  247.210021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.215358] Total swap = 0kB
[  247.219588]  ? should_fail+0x22d/0xd01
[  247.222578] 1965979 pages RAM
[  247.228115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.231109] 0 pages HighMem/MovableOnly
[  247.234987]  ? __lock_acquire+0x62f/0x4c20
[  247.238066] 342853 pages reserved
[  247.243160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.247110] 0 pages cma reserved
[  247.251335]  ? __lock_acquire+0x62f/0x4c20
[  247.254848] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.259853]  ? should_fail+0x22d/0xd01
[  247.259869]  ? find_held_lock+0x36/0x1c0
[  247.263301] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.267450]  ? mark_held_locks+0x130/0x130
[  247.273913] cron cpuset=/ mems_allowed=0
[  247.277795]  ? mark_held_locks+0x130/0x130
[  247.304010]  ? zap_class+0x640/0x640
[  247.307726]  ? zap_class+0x640/0x640
[  247.311448]  ? print_usage_bug+0xc0/0xc0
[  247.315509]  ? do_raw_spin_unlock+0xa7/0x330
[  247.319921]  ? zap_class+0x640/0x640
[  247.323632]  ? print_usage_bug+0xc0/0xc0
[  247.327694]  ? wq_watchdog_touch+0x9c/0xfe
[  247.331938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.337480]  ? check_preemption_disabled+0x48/0x280
[  247.342509]  ? __lock_is_held+0xb5/0x140
[  247.346580]  __alloc_pages_nodemask+0xad8/0xea0
[  247.351253]  ? zap_class+0x640/0x640
[  247.354976]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  247.360001]  ? find_held_lock+0x36/0x1c0
[  247.364070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.368742]  ? lock_downgrade+0x900/0x900
[  247.372908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.378454]  cache_grow_begin+0xa5/0x8c0
[  247.382513]  ? do_raw_spin_unlock+0xa7/0x330
[  247.386928]  fallback_alloc+0x204/0x2e0
[  247.390908]  ____cache_alloc_node+0x1c7/0x1e0
[  247.395410]  kmem_cache_alloc_node+0xe3/0x730
[  247.399906]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.404152]  __alloc_skb+0x119/0x770
[  247.407863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.413147]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.417558]  ? lock_downgrade+0x900/0x900
[  247.421715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.427261]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.432716]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.438166]  ? addrconf_rs_timer+0x690/0x690
[  247.442587]  ndisc_alloc_skb+0x144/0x340
[  247.446651]  ndisc_send_rs+0x331/0x6e0
[  247.450545]  addrconf_rs_timer+0x314/0x690
[  247.454786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.459031]  call_timer_fn+0x272/0x920
[  247.462918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.467155]  ? process_timeout+0x40/0x40
[  247.471225]  ? __run_timers+0x7da/0xc70
[  247.475212]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.479757]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.484256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.488493]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.493075]  ? trace_hardirqs_on+0xbd/0x310
[  247.497401]  ? kasan_check_read+0x11/0x20
[  247.501550]  ? __run_timers+0x7da/0xc70
[  247.505526]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.510634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.514879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.519109]  __run_timers+0x7e5/0xc70
[  247.522922]  ? timer_fixup_init+0x70/0x70
[  247.527078]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.532097]  ? zap_class+0x640/0x640
[  247.535812]  ? enqueue_hrtimer+0x1a5/0x560
[  247.540048]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.545251]  ? find_held_lock+0x36/0x1c0
[  247.549322]  ? zap_class+0x640/0x640
[  247.553042]  ? pvclock_read_flags+0x160/0x160
[  247.557545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.563081]  ? check_preemption_disabled+0x48/0x280
[  247.568109]  ? __lock_is_held+0xb5/0x140
[  247.572169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.577709]  ? check_preemption_disabled+0x48/0x280
[  247.582727]  run_timer_softirq+0x52/0xb0
[  247.586797]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.591817]  __do_softirq+0x308/0xb7e
[  247.595620]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.600116]  ? lock_downgrade+0x900/0x900
[  247.604271]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.609381]  ? pvclock_read_flags+0x160/0x160
[  247.613877]  ? lapic_next_event+0x5a/0x90
[  247.618029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.623573]  ? kvm_clock_read+0x18/0x30
[  247.627544]  ? kvm_sched_clock_read+0x9/0x20
[  247.631956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.637496]  ? check_preemption_disabled+0x48/0x280
[  247.642521]  irq_exit+0x17f/0x1c0
[  247.645983]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.650823]  ? smp_reschedule_interrupt+0x109/0x650
[  247.655841]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.661726]  ? interrupt_entry+0xb5/0xc0
[  247.665800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.670817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.675832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.680681]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.685698]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.690715]  ? task_prio+0x50/0x50
[  247.694266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.699811]  ? check_preemption_disabled+0x48/0x280
[  247.704835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.709715]  apic_timer_interrupt+0xf/0x20
[  247.713948]  </IRQ>
[  247.716187] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.721120] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  247.740022] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.747733] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.755007] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  247.762273] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  247.769544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.776808] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  247.784120]  skb_clone+0x1bb/0x500
[  247.787661]  ? finish_task_switch+0x1b4/0x910
[  247.792160]  ? skb_split+0x11e0/0x11e0
[  247.796055]  ? preempt_notifier_register+0x200/0x200
[  247.801160]  ? __switch_to_asm+0x34/0x70
[  247.805217]  ? __switch_to_asm+0x34/0x70
[  247.809287]  ? __switch_to_asm+0x40/0x70
[  247.813347]  ? __switch_to_asm+0x34/0x70
[  247.817406]  ? __switch_to_asm+0x40/0x70
[  247.821464]  ? __switch_to_asm+0x34/0x70
[  247.825522]  ? __switch_to_asm+0x40/0x70
[  247.829581]  ? __switch_to_asm+0x34/0x70
[  247.833641]  ? __switch_to_asm+0x34/0x70
[  247.837698]  ? __switch_to_asm+0x40/0x70
[  247.841759]  ? __switch_to_asm+0x34/0x70
[  247.845824]  bpf_clone_redirect+0xb9/0x490
[  247.850060]  ? __schedule+0x8d7/0x21d0
[  247.853951]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  247.858967]  ? __sched_text_start+0x8/0x8
[  247.863119]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.867877]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  247.872455]  ? retint_kernel+0x2d/0x2d
[  247.876350]  ? find_held_lock+0x36/0x1c0
[  247.880422]  ? lock_acquire+0x1ed/0x520
[  247.884399]  ? bpf_test_run+0x3ee/0x7a0
[  247.888374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.893919]  ? check_preemption_disabled+0x48/0x280
[  247.898944]  ? kasan_check_read+0x11/0x20
[  247.903090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.908373]  ? rcu_softirq_qs+0x20/0x20
[  247.912351]  ? preempt_schedule+0x4d/0x60
[  247.916506]  ? ___preempt_schedule+0x16/0x18
[  247.920923]  ? bpf_test_run+0x271/0x7a0
[  247.924915]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.929330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.934870]  ? bpf_test_init.isra.10+0x70/0x100
[  247.939543]  ? bpf_prog_test_run_skb+0x762/0xd60
[  247.944306]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.949159]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.954697]  ? fput+0x130/0x1a0
[  247.957980]  ? __bpf_prog_get+0x9b/0x290
[  247.962043]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.966885]  ? bpf_prog_test_run+0x130/0x1a0
[  247.971294]  ? __x64_sys_bpf+0x3d8/0x520
[  247.975356]  ? bpf_prog_get+0x20/0x20
[  247.979169]  ? do_syscall_64+0x1e1/0x820
[  247.983242]  ? do_syscall_64+0x1b9/0x820
[  247.987303]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.992665]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.997595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.002438]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.007455]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  248.012473]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.017494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.022349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  248.027731] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  248.027807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.034224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.034241] Call Trace:
[  248.040826] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.050061]  <IRQ>
[  248.052632] syz-executor5 cpuset=syz5 mems_allowed=0
[  248.063202]  dump_stack+0x244/0x39d
[  248.074036]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.079248]  warn_alloc.cold.116+0xb7/0x1bd
[  248.083580]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.088433]  ? lock_downgrade+0x900/0x900
[  248.092593]  ? trace_hardirqs_off+0xb8/0x310
[  248.097007]  ? trace_hardirqs_off+0xb8/0x310
[  248.101428]  __alloc_pages_slowpath+0x2651/0x2de0
[  248.106302]  ? warn_alloc+0x120/0x120
[  248.110106]  ? print_usage_bug+0xc0/0xc0
[  248.114169]  ? warn_alloc+0x120/0x120
[  248.117975]  ? warn_alloc+0x120/0x120
[  248.121779]  ? print_usage_bug+0xc0/0xc0
[  248.125845]  ? print_usage_bug+0xc0/0xc0
[  248.129905]  ? __lock_acquire+0x62f/0x4c20
[  248.134146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.139683]  ? should_fail+0x22d/0xd01
[  248.143579]  ? __lock_acquire+0x62f/0x4c20
[  248.147819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.152923]  ? __lock_acquire+0x62f/0x4c20
[  248.157162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.162267]  ? __lock_acquire+0x62f/0x4c20
[  248.166505]  ? should_fail+0x22d/0xd01
[  248.170408]  ? mark_held_locks+0x130/0x130
[  248.174646]  ? mark_held_locks+0x130/0x130
[  248.178876]  ? zap_class+0x640/0x640
[  248.182600]  ? zap_class+0x640/0x640
[  248.186314]  ? print_usage_bug+0xc0/0xc0
[  248.190381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.195931]  ? check_preemption_disabled+0x48/0x280
[  248.200959]  ? __lock_is_held+0xb5/0x140
[  248.205031]  __alloc_pages_nodemask+0xad8/0xea0
[  248.209705]  ? zap_class+0x640/0x640
[  248.213424]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  248.218449]  ? find_held_lock+0x36/0x1c0
[  248.222523]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.227192]  ? lock_downgrade+0x900/0x900
[  248.231349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.236897]  cache_grow_begin+0xa5/0x8c0
[  248.240960]  ? do_raw_spin_unlock+0xa7/0x330
[  248.245379]  fallback_alloc+0x204/0x2e0
[  248.249364]  ____cache_alloc_node+0x1c7/0x1e0
[  248.253862]  kmem_cache_alloc_node+0xe3/0x730
[  248.258358]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.262602]  __alloc_skb+0x119/0x770
[  248.266319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.271603]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.276015]  ? lock_downgrade+0x900/0x900
[  248.280174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.285710]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.291167]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.296620]  ? addrconf_rs_timer+0x690/0x690
[  248.301039]  ndisc_alloc_skb+0x144/0x340
[  248.305106]  ndisc_send_rs+0x331/0x6e0
[  248.309006]  addrconf_rs_timer+0x314/0x690
[  248.313263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.317513]  call_timer_fn+0x272/0x920
[  248.321407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.325642]  ? process_timeout+0x40/0x40
[  248.329716]  ? mark_held_locks+0xc7/0x130
[  248.333871]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.338366]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.342863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.347101]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.351684]  ? trace_hardirqs_on+0xbd/0x310
[  248.356008]  ? kasan_check_read+0x11/0x20
[  248.360153]  ? __run_timers+0x7da/0xc70
[  248.364559]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.369667]  ? prandom_seed_full_state+0x3b0/0x3b0
[  248.374605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.378842]  __run_timers+0x7e5/0xc70
[  248.382655]  ? timer_fixup_init+0x70/0x70
[  248.386805]  ? kasan_check_read+0x11/0x20
[  248.390951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.396237]  ? rcu_softirq_qs+0x20/0x20
[  248.400223]  ? mark_held_locks+0xc7/0x130
[  248.404389]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.409148]  ? retint_kernel+0x2d/0x2d
[  248.413035]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.417964]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.422719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.428171]  ? zap_class+0x640/0x640
[  248.431897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.437441]  ? check_preemption_disabled+0x48/0x280
[  248.442469]  ? __lock_is_held+0xb5/0x140
[  248.446531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.452072]  ? check_preemption_disabled+0x48/0x280
[  248.457094]  run_timer_softirq+0x52/0xb0
[  248.461174]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.466208]  __do_softirq+0x308/0xb7e
[  248.470020]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.474517]  ? lock_downgrade+0x900/0x900
[  248.478671]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.483783]  ? pvclock_read_flags+0x160/0x160
[  248.488284]  ? lapic_next_event+0x5a/0x90
[  248.492434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.498158]  ? kvm_clock_read+0x18/0x30
[  248.502132]  ? kvm_sched_clock_read+0x9/0x20
[  248.506545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.512088]  ? check_preemption_disabled+0x48/0x280
[  248.517113]  irq_exit+0x17f/0x1c0
[  248.520574]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.525415]  ? smp_reschedule_interrupt+0x109/0x650
[  248.530433]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.536316]  ? interrupt_entry+0xb5/0xc0
[  248.540382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.545417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.550435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.555282]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.560301]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.565320]  ? task_prio+0x50/0x50
[  248.568862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.574401]  ? check_preemption_disabled+0x48/0x280
[  248.579429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.584286]  apic_timer_interrupt+0xf/0x20
[  248.588516]  </IRQ>
[  248.590759] RIP: 0010:dump_stack+0x358/0x39d
[  248.595168] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  248.614065] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  248.621802] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  248.629069] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  248.636340] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  248.643611] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  248.650882] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  248.658171]  ? dump_stack+0x34f/0x39d
[  248.661984]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.667179]  ? mark_held_locks+0x130/0x130
[  248.671412]  ? mark_held_locks+0x130/0x130
[  248.675655]  dump_header+0x27b/0xf72
[  248.679388]  ? pagefault_out_of_memory+0x197/0x197
[  248.684329]  ? __lock_acquire+0x62f/0x4c20
[  248.688569]  ? percpu_ref_get_many+0x240/0x240
[  248.693155]  ? print_usage_bug+0xc0/0xc0
[  248.697221]  ? zap_class+0x640/0x640
[  248.700951]  ? print_usage_bug+0xc0/0xc0
[  248.705009]  ? print_usage_bug+0xc0/0xc0
[  248.709072]  ? zap_class+0x640/0x640
[  248.712791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.718340]  ? find_held_lock+0x36/0x1c0
[  248.722410]  ? mark_held_locks+0xc7/0x130
[  248.726559]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.731658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.736763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.741350]  ? trace_hardirqs_on+0xbd/0x310
[  248.745671]  ? kasan_check_read+0x11/0x20
[  248.749819]  ? ___ratelimit+0x3b4/0x672
[  248.753794]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.758907]  ? trace_hardirqs_on+0x310/0x310
[  248.763315]  ? lock_downgrade+0x900/0x900
[  248.767469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.772578]  ? ___ratelimit+0x3b9/0x672
[  248.776553]  ? idr_get_free+0xf70/0xf70
[  248.780525]  ? find_held_lock+0x36/0x1c0
[  248.784594]  oom_kill_process.cold.27+0x10/0x903
[  248.789357]  ? zap_class+0x640/0x640
[  248.793071]  ? check_preemption_disabled+0x48/0x280
[  248.798088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.803020]  ? kasan_check_read+0x11/0x20
[  248.807164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.812441]  ? oom_evaluate_task+0x540/0x540
[  248.816851]  ? find_held_lock+0x36/0x1c0
[  248.820951]  ? out_of_memory+0x974/0x1430
[  248.825100]  ? lock_downgrade+0x900/0x900
[  248.829260]  ? check_preemption_disabled+0x48/0x280
[  248.834284]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.839215]  ? kasan_check_read+0x11/0x20
[  248.843377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.848650]  ? rcu_softirq_qs+0x20/0x20
[  248.852628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.858164]  ? oom_evaluate_task+0x302/0x540
[  248.862576]  out_of_memory+0xa84/0x1430
[  248.866558]  ? oom_killer_disable+0x3a0/0x3a0
[  248.871054]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  248.875989]  ? __ww_mutex_check_waiters+0x160/0x160
[  248.881021]  __alloc_pages_slowpath+0x232c/0x2de0
[  248.885896]  ? warn_alloc+0x120/0x120
[  248.889693]  ? mark_held_locks+0x130/0x130
[  248.893933]  ? find_get_entry+0xaae/0x1120
[  248.898178]  ? filemap_map_pages+0x1a20/0x1a20
[  248.902764]  ? zap_class+0x640/0x640
[  248.906486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.912024]  ? check_preemption_disabled+0x48/0x280
[  248.917043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.922579]  ? should_fail+0x22d/0xd01
[  248.926469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.931571]  ? zap_class+0x640/0x640
[  248.935308]  ? __lock_is_held+0xb5/0x140
[  248.939378]  ? mark_held_locks+0x130/0x130
[  248.943617]  ? lock_release+0xa00/0xa00
[  248.947594]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.953043]  ? xa_load+0x2ba/0x460
[  248.956585]  ? lock_downgrade+0x900/0x900
[  248.960737]  ? __might_sleep+0x95/0x190
[  248.964718]  __alloc_pages_nodemask+0xad8/0xea0
[  248.969393]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  248.974411]  ? __page_cache_alloc+0x191/0x5c0
[  248.978905]  ? xa_load+0x2e1/0x460
[  248.982447]  ? xa_clear_mark+0x40/0x40
[  248.986336]  ? zap_class+0x640/0x640
[  248.990060]  ? zap_class+0x640/0x640
[  248.993770]  ? zap_class+0x640/0x640
[  248.997485]  ? __do_page_cache_readahead+0x663/0x810
[  249.002591]  ? find_held_lock+0x36/0x1c0
[  249.006657]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  249.012203]  alloc_pages_current+0x173/0x350
[  249.016629]  __page_cache_alloc+0x38c/0x5c0
[  249.020950]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.025877]  ? kasan_check_read+0x11/0x20
[  249.030023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.035301]  ? generic_perform_write+0x6a0/0x6a0
[  249.040063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.045604]  ? check_preemption_disabled+0x48/0x280
[  249.050627]  filemap_fault+0x1595/0x25f0
[  249.054702]  ? __lock_page_or_retry+0xa00/0xa00
[  249.059373]  ? mark_held_locks+0x130/0x130
[  249.063615]  ? filemap_map_pages+0xd6b/0x1a20
[  249.068109]  ? lock_downgrade+0x900/0x900
[  249.072269]  ? check_preemption_disabled+0x48/0x280
[  249.077292]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.082244]  ? kasan_check_read+0x11/0x20
[  249.086399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.091678]  ? rcu_softirq_qs+0x20/0x20
[  249.095664]  ? filemap_map_pages+0xd92/0x1a20
[  249.100173]  ? find_get_entries_tag+0x1400/0x1400
[  249.105039]  ? lock_acquire+0x1ed/0x520
[  249.109010]  ? ext4_filemap_fault+0x7a/0xad
[  249.113341]  ? lock_release+0xa00/0xa00
[  249.117316]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.122762]  ? mark_held_locks+0x130/0x130
[  249.127001]  ? print_usage_bug+0xc0/0xc0
[  249.131064]  ? print_usage_bug+0xc0/0xc0
[  249.135136]  ? down_read+0x8d/0x120
[  249.138763]  ? ext4_filemap_fault+0x7a/0xad
[  249.143085]  ? __down_interruptible+0x700/0x700
[  249.147764]  ext4_filemap_fault+0x82/0xad
[  249.151914]  __do_fault+0x100/0x6b0
[  249.155545]  ? pmd_devmap_trans_unstable+0x220/0x220
[  249.160649]  ? mark_held_locks+0x130/0x130
[  249.164887]  ? mark_held_locks+0x130/0x130
[  249.169136]  ? hrtimer_forward+0x2a0/0x2a0
[  249.173368]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  249.178216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.183770]  __handle_mm_fault+0x3ea6/0x5be0
[  249.188186]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  249.193030]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  249.198131]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  249.203244]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.207834]  ? trace_hardirqs_on+0xbd/0x310
[  249.212153]  ? kasan_check_read+0x11/0x20
[  249.216301]  ? __free_object+0x173/0x340
[  249.220372]  ? zap_class+0x640/0x640
[  249.224086]  ? zap_class+0x640/0x640
[  249.227795]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.232902]  ? find_held_lock+0x36/0x1c0
[  249.236974]  ? handle_mm_fault+0x42a/0xc70
[  249.241208]  ? lock_downgrade+0x900/0x900
[  249.245363]  ? check_preemption_disabled+0x48/0x280
[  249.250384]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.255310]  ? kasan_check_read+0x11/0x20
[  249.259455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.264728]  ? rcu_softirq_qs+0x20/0x20
[  249.268700]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.273810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.279347]  ? check_preemption_disabled+0x48/0x280
[  249.284371]  handle_mm_fault+0x54f/0xc70
[  249.288437]  ? __handle_mm_fault+0x5be0/0x5be0
[  249.293026]  ? find_vma+0x34/0x190
[  249.296574]  __do_page_fault+0x5e8/0xe60
[  249.300637]  ? trace_hardirqs_off+0xb8/0x310
[  249.305059]  do_page_fault+0xf2/0x7e0
[  249.308864]  ? vmalloc_sync_all+0x30/0x30
[  249.313015]  ? error_entry+0x70/0xd0
[  249.316733]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.321750]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.326680]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.331607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.336450]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.341467]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.346917]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.351952]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.356969]  ? page_fault+0x8/0x30
[  249.360513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.365359]  ? page_fault+0x8/0x30
[  249.368898]  page_fault+0x1e/0x30
[  249.372353] RIP: 0033:0x7f4afc2d3e40
[  249.376078] Code: Bad RIP value.
[  249.379437] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  249.384796] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  249.392079] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  249.399349] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  249.406615] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  249.413900] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  249.421194] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  249.421199] warn_alloc_show_mem: 1 callbacks suppressed
[  249.421207] Mem-Info:
[  249.428572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.433942] active_anon:57379 inactive_anon:189 isolated_anon:0
[  249.433942]  active_file:13 inactive_file:16 isolated_file:0
[  249.433942]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.433942]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  249.433942]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  249.433942]  free:13771 free_pcp:208 free_cma:0
[  249.436316] Call Trace:
[  249.445704] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.478542]  <IRQ>
[  249.481110] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.508609]  dump_stack+0x244/0x39d
[  249.510732] lowmem_reserve[]: 0 2818 6321 6321
[  249.536839]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.540436] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.545017]  warn_alloc.cold.116+0xb7/0x1bd
[  249.550170] lowmem_reserve[]: 0 0 3503 3503
[  249.577749]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.582044] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  249.586360]  ? lock_downgrade+0x900/0x900
[  249.591167] lowmem_reserve[]: 0 0 0 0
[  249.620068]  ? trace_hardirqs_off+0xb8/0x310
[  249.624189] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  249.627985]  ? trace_hardirqs_off+0xb8/0x310
[  249.632367] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  249.645891]  __alloc_pages_slowpath+0x2651/0x2de0
[  249.650271] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  249.665719]  ? warn_alloc+0x120/0x120
[  249.670518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.685069]  ? print_usage_bug+0xc0/0xc0
[  249.688851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.697675]  ? warn_alloc+0x120/0x120
[  249.701712] 273 total pagecache pages
[  249.710283]  ? warn_alloc+0x120/0x120
[  249.714066] 0 pages in swap cache
[  249.717858]  ? print_usage_bug+0xc0/0xc0
[  249.721636] Swap cache stats: add 0, delete 0, find 0/0
[  249.725079]  ? kvm_clock_read+0x18/0x30
[  249.729112] Free swap  = 0kB
[  249.734471]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  249.738422] Total swap = 0kB
[  249.741436]  ? print_usage_bug+0xc0/0xc0
[  249.746429] 1965979 pages RAM
[  249.749438]  ? __lock_acquire+0x62f/0x4c20
[  249.753474] 0 pages HighMem/MovableOnly
[  249.756575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.760786] 342853 pages reserved
[  249.764768]  ? should_fail+0x22d/0xd01
[  249.770282] 0 pages cma reserved
[  249.773732]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.777651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.780954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.786366] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.792701]  ? __lock_acquire+0x62f/0x4c20
[  249.797784] cron cpuset=/ mems_allowed=0
[  249.807485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.820839]  ? __lock_acquire+0x62f/0x4c20
[  249.825069]  ? should_fail+0x22d/0xd01
[  249.828952]  ? rcu_irq_exit+0x1a2/0x390
[  249.832935]  ? mark_held_locks+0x130/0x130
[  249.837174]  ? mark_held_locks+0x130/0x130
[  249.841412]  ? mark_held_locks+0xc7/0x130
[  249.845560]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  249.850575]  ? zap_class+0x640/0x640
[  249.854289]  ? print_usage_bug+0xc0/0xc0
[  249.858359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.863899]  ? check_preemption_disabled+0x48/0x280
[  249.868925]  ? __lock_is_held+0xb5/0x140
[  249.872995]  __alloc_pages_nodemask+0xad8/0xea0
[  249.877662]  ? zap_class+0x640/0x640
[  249.881385]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  249.886411]  ? find_held_lock+0x36/0x1c0
[  249.890490]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.895163]  ? lock_downgrade+0x900/0x900
[  249.899324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.904865]  cache_grow_begin+0xa5/0x8c0
[  249.908927]  ? do_raw_spin_unlock+0xa7/0x330
[  249.913342]  fallback_alloc+0x204/0x2e0
[  249.917322]  ____cache_alloc_node+0x1c7/0x1e0
[  249.921825]  kmem_cache_alloc_node+0xe3/0x730
[  249.926324]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.930570]  __alloc_skb+0x119/0x770
[  249.934285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.939570]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.943979]  ? lock_downgrade+0x900/0x900
[  249.948138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.953673]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.959129]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.964578]  ? addrconf_rs_timer+0x690/0x690
[  249.968998]  ndisc_alloc_skb+0x144/0x340
[  249.973063]  ndisc_send_rs+0x331/0x6e0
[  249.976958]  addrconf_rs_timer+0x314/0x690
[  249.981197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.985453]  call_timer_fn+0x272/0x920
[  249.989339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.993573]  ? process_timeout+0x40/0x40
[  249.997646]  ? __run_timers+0x7da/0xc70
[  250.001623]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.006118]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.010613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.014847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.019429]  ? trace_hardirqs_on+0xbd/0x310
[  250.023756]  ? kasan_check_read+0x11/0x20
[  250.027902]  ? __run_timers+0x7da/0xc70
[  250.031876]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.036981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.041219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.045457]  __run_timers+0x7e5/0xc70
[  250.049272]  ? timer_fixup_init+0x70/0x70
[  250.053427]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.058446]  ? zap_class+0x640/0x640
[  250.062165]  ? enqueue_hrtimer+0x1a5/0x560
[  250.066401]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.071595]  ? find_held_lock+0x36/0x1c0
[  250.075660]  ? zap_class+0x640/0x640
[  250.079379]  ? pvclock_read_flags+0x160/0x160
[  250.083879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.089417]  ? check_preemption_disabled+0x48/0x280
[  250.094444]  ? __lock_is_held+0xb5/0x140
[  250.098515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.104056]  ? check_preemption_disabled+0x48/0x280
[  250.109079]  run_timer_softirq+0x52/0xb0
[  250.113140]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.118162]  __do_softirq+0x308/0xb7e
[  250.121976]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.126470]  ? lock_downgrade+0x900/0x900
[  250.130625]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.135737]  ? pvclock_read_flags+0x160/0x160
[  250.140246]  ? lapic_next_event+0x5a/0x90
[  250.144397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.149937]  ? kvm_clock_read+0x18/0x30
[  250.153909]  ? kvm_sched_clock_read+0x9/0x20
[  250.158319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.163860]  ? check_preemption_disabled+0x48/0x280
[  250.168886]  irq_exit+0x17f/0x1c0
[  250.172341]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.177180]  ? smp_reschedule_interrupt+0x109/0x650
[  250.182196]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.188087]  ? interrupt_entry+0xb5/0xc0
[  250.192150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.197168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.202187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.207033]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.212050]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.217065]  ? task_prio+0x50/0x50
[  250.220612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.226152]  ? check_preemption_disabled+0x48/0x280
[  250.231171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.236021]  apic_timer_interrupt+0xf/0x20
[  250.240255]  </IRQ>
[  250.242497] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.247428] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  250.266326] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.274033] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.281302] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  250.288569] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  250.295833] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.303098] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  250.310403]  skb_clone+0x1bb/0x500
[  250.313946]  ? finish_task_switch+0x1b4/0x910
[  250.318449]  ? skb_split+0x11e0/0x11e0
[  250.322340]  ? preempt_notifier_register+0x200/0x200
[  250.327443]  ? __switch_to_asm+0x34/0x70
[  250.331501]  ? __switch_to_asm+0x34/0x70
[  250.335561]  ? __switch_to_asm+0x40/0x70
[  250.339616]  ? __switch_to_asm+0x34/0x70
[  250.343672]  ? __switch_to_asm+0x40/0x70
[  250.347731]  ? __switch_to_asm+0x34/0x70
[  250.351796]  ? __switch_to_asm+0x40/0x70
[  250.355853]  ? __switch_to_asm+0x34/0x70
[  250.359910]  ? __switch_to_asm+0x34/0x70
[  250.364120]  ? __switch_to_asm+0x40/0x70
[  250.368167]  ? __switch_to_asm+0x34/0x70
[  250.372243]  bpf_clone_redirect+0xb9/0x490
[  250.376480]  ? __schedule+0x8d7/0x21d0
[  250.380373]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  250.385393]  ? __sched_text_start+0x8/0x8
[  250.389542]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.394307]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.398885]  ? retint_kernel+0x2d/0x2d
[  250.402778]  ? find_held_lock+0x36/0x1c0
[  250.406845]  ? lock_acquire+0x1ed/0x520
[  250.410820]  ? bpf_test_run+0x3ee/0x7a0
[  250.414796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.420335]  ? check_preemption_disabled+0x48/0x280
[  250.425355]  ? kasan_check_read+0x11/0x20
[  250.429501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.434869]  ? rcu_softirq_qs+0x20/0x20
[  250.438845]  ? preempt_schedule+0x4d/0x60
[  250.442993]  ? ___preempt_schedule+0x16/0x18
[  250.447408]  ? bpf_test_run+0x271/0x7a0
[  250.451396]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.455809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.461343]  ? bpf_test_init.isra.10+0x70/0x100
[  250.466019]  ? bpf_prog_test_run_skb+0x762/0xd60
[  250.470790]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.475640]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.481178]  ? fput+0x130/0x1a0
[  250.484457]  ? __bpf_prog_get+0x9b/0x290
[  250.488524]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.493363]  ? bpf_prog_test_run+0x130/0x1a0
[  250.498268]  ? __x64_sys_bpf+0x3d8/0x520
[  250.502334]  ? bpf_prog_get+0x20/0x20
[  250.506147]  ? do_syscall_64+0x1e1/0x820
[  250.510217]  ? do_syscall_64+0x1b9/0x820
[  250.514285]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.519657]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.524585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.529429]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.534448]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.539465]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.544487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.549351]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  250.554736] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  250.554823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.561245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.561261] Call Trace:
[  250.567826] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.577073]  <IRQ>
[  250.579645] syz-executor5 cpuset=syz5 mems_allowed=0
[  250.590123]  dump_stack+0x244/0x39d
[  250.600967]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.606172]  warn_alloc.cold.116+0xb7/0x1bd
[  250.610493]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.615337]  ? lock_downgrade+0x900/0x900
[  250.619491]  ? trace_hardirqs_off+0xb8/0x310
[  250.623909]  ? trace_hardirqs_off+0xb8/0x310
[  250.628329]  __alloc_pages_slowpath+0x2651/0x2de0
[  250.633198]  ? warn_alloc+0x120/0x120
[  250.637027]  ? warn_alloc+0x120/0x120
[  250.640826]  ? zap_class+0x640/0x640
[  250.644539]  ? warn_alloc+0x120/0x120
[  250.648343]  ? print_usage_bug+0xc0/0xc0
[  250.652407]  ? print_usage_bug+0xc0/0xc0
[  250.656475]  ? __lock_is_held+0xb5/0x140
[  250.660543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.666083]  ? should_fail+0x22d/0xd01
[  250.669973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.675081]  ? __lock_acquire+0x62f/0x4c20
[  250.679322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.684425]  ? __lock_acquire+0x62f/0x4c20
[  250.688659]  ? should_fail+0x22d/0xd01
[  250.692554]  ? mark_held_locks+0x130/0x130
[  250.696792]  ? mark_held_locks+0x130/0x130
[  250.701034]  ? __enqueue_entity+0x10d/0x1f0
[  250.705359]  ? zap_class+0x640/0x640
[  250.709073]  ? print_usage_bug+0xc0/0xc0
[  250.713138]  ? __lock_acquire+0x62f/0x4c20
[  250.717379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.722916]  ? check_preemption_disabled+0x48/0x280
[  250.727939]  ? __lock_is_held+0xb5/0x140
[  250.732011]  __alloc_pages_nodemask+0xad8/0xea0
[  250.736681]  ? zap_class+0x640/0x640
[  250.740397]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  250.745425]  ? find_held_lock+0x36/0x1c0
[  250.749497]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.754169]  ? lock_downgrade+0x900/0x900
[  250.758335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.763881]  cache_grow_begin+0xa5/0x8c0
[  250.767944]  ? do_raw_spin_unlock+0xa7/0x330
[  250.772360]  fallback_alloc+0x204/0x2e0
[  250.776340]  ____cache_alloc_node+0x1c7/0x1e0
[  250.780844]  kmem_cache_alloc_node+0xe3/0x730
[  250.785339]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.789588]  __alloc_skb+0x119/0x770
[  250.793303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.798583]  ? netdev_alloc_frag+0x1f0/0x1f0
[  250.802989]  ? lock_downgrade+0x900/0x900
[  250.807146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.812683]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.818152]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.823602]  ? addrconf_rs_timer+0x690/0x690
[  250.828023]  ndisc_alloc_skb+0x144/0x340
[  250.832087]  ndisc_send_rs+0x331/0x6e0
[  250.835981]  addrconf_rs_timer+0x314/0x690
[  250.840220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.844476]  call_timer_fn+0x272/0x920
[  250.848361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.852599]  ? process_timeout+0x40/0x40
[  250.856667]  ? mark_held_locks+0xc7/0x130
[  250.860820]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.865311]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.869803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.874042]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.878627]  ? trace_hardirqs_on+0xbd/0x310
[  250.882946]  ? kasan_check_read+0x11/0x20
[  250.887095]  ? __run_timers+0x7da/0xc70
[  250.891089]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.896205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.900448]  __run_timers+0x7e5/0xc70
[  250.904272]  ? timer_fixup_init+0x70/0x70
[  250.908422]  ? kasan_check_read+0x11/0x20
[  250.912567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.917840]  ? rcu_softirq_qs+0x20/0x20
[  250.921823]  ? mark_held_locks+0xc7/0x130
[  250.925978]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.930737]  ? retint_kernel+0x2d/0x2d
[  250.934628]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.939555]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.944314]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.949767]  ? zap_class+0x640/0x640
[  250.953489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.959038]  ? check_preemption_disabled+0x48/0x280
[  250.964068]  ? __lock_is_held+0xb5/0x140
[  250.968130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.973667]  ? check_preemption_disabled+0x48/0x280
[  250.978688]  run_timer_softirq+0x52/0xb0
[  250.982750]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.987771]  __do_softirq+0x308/0xb7e
[  250.991576]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.996073]  ? lock_downgrade+0x900/0x900
[  251.000223]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.005346]  ? pvclock_read_flags+0x160/0x160
[  251.009844]  ? lapic_next_event+0x5a/0x90
[  251.013996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.019541]  ? kvm_clock_read+0x18/0x30
[  251.023515]  ? kvm_sched_clock_read+0x9/0x20
[  251.027926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.033467]  ? check_preemption_disabled+0x48/0x280
[  251.038494]  irq_exit+0x17f/0x1c0
[  251.041948]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.046789]  ? smp_reschedule_interrupt+0x109/0x650
[  251.051808]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.057691]  ? interrupt_entry+0xb5/0xc0
[  251.061788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.066801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.071817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.076659]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.081672]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.086688]  ? task_prio+0x50/0x50
[  251.090237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.095781]  ? check_preemption_disabled+0x48/0x280
[  251.100802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.105651]  apic_timer_interrupt+0xf/0x20
[  251.109908]  </IRQ>
[  251.112145] RIP: 0010:dump_stack+0x358/0x39d
[  251.116554] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  251.135452] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  251.143177] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  251.150458] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  251.157722] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  251.165002] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  251.172286] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  251.179574]  ? dump_stack+0x34f/0x39d
[  251.183387]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.188586]  ? mark_held_locks+0x130/0x130
[  251.192818]  ? mark_held_locks+0x130/0x130
[  251.197061]  dump_header+0x27b/0xf72
[  251.200790]  ? pagefault_out_of_memory+0x197/0x197
[  251.205736]  ? __lock_acquire+0x62f/0x4c20
[  251.209972]  ? percpu_ref_get_many+0x240/0x240
[  251.214558]  ? print_usage_bug+0xc0/0xc0
[  251.218626]  ? zap_class+0x640/0x640
[  251.222362]  ? print_usage_bug+0xc0/0xc0
[  251.226423]  ? print_usage_bug+0xc0/0xc0
[  251.230490]  ? zap_class+0x640/0x640
[  251.234208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.239759]  ? find_held_lock+0x36/0x1c0
[  251.243829]  ? mark_held_locks+0xc7/0x130
[  251.247977]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.253078]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.258179]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.262765]  ? trace_hardirqs_on+0xbd/0x310
[  251.267085]  ? kasan_check_read+0x11/0x20
[  251.271248]  ? ___ratelimit+0x3b4/0x672
[  251.275265]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.280369]  ? trace_hardirqs_on+0x310/0x310
[  251.284780]  ? lock_downgrade+0x900/0x900
[  251.288933]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.294036]  ? ___ratelimit+0x3b9/0x672
[  251.298024]  ? idr_get_free+0xf70/0xf70
[  251.301995]  ? find_held_lock+0x36/0x1c0
[  251.306078]  oom_kill_process.cold.27+0x10/0x903
[  251.310837]  ? zap_class+0x640/0x640
[  251.314556]  ? check_preemption_disabled+0x48/0x280
[  251.319574]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.324504]  ? kasan_check_read+0x11/0x20
[  251.328648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.333926]  ? oom_evaluate_task+0x540/0x540
[  251.338342]  ? find_held_lock+0x36/0x1c0
[  251.342414]  ? out_of_memory+0x974/0x1430
[  251.346563]  ? lock_downgrade+0x900/0x900
[  251.350712]  ? check_preemption_disabled+0x48/0x280
[  251.355730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.360657]  ? kasan_check_read+0x11/0x20
[  251.364802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.370079]  ? rcu_softirq_qs+0x20/0x20
[  251.374062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.379595]  ? oom_evaluate_task+0x302/0x540
[  251.384006]  out_of_memory+0xa84/0x1430
[  251.387989]  ? oom_killer_disable+0x3a0/0x3a0
[  251.392489]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  251.397427]  ? __ww_mutex_check_waiters+0x160/0x160
[  251.402453]  __alloc_pages_slowpath+0x232c/0x2de0
[  251.407324]  ? warn_alloc+0x120/0x120
[  251.411121]  ? mark_held_locks+0x130/0x130
[  251.415365]  ? find_get_entry+0xaae/0x1120
[  251.419610]  ? filemap_map_pages+0x1a20/0x1a20
[  251.424196]  ? zap_class+0x640/0x640
[  251.427931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.433471]  ? check_preemption_disabled+0x48/0x280
[  251.438487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.444025]  ? should_fail+0x22d/0xd01
[  251.447920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.453028]  ? zap_class+0x640/0x640
[  251.456766]  ? __lock_is_held+0xb5/0x140
[  251.460835]  ? mark_held_locks+0x130/0x130
[  251.465074]  ? lock_release+0xa00/0xa00
[  251.469049]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.474498]  ? xa_load+0x2ba/0x460
[  251.478040]  ? lock_downgrade+0x900/0x900
[  251.482193]  ? __might_sleep+0x95/0x190
[  251.486177]  __alloc_pages_nodemask+0xad8/0xea0
[  251.490852]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  251.495868]  ? __page_cache_alloc+0x191/0x5c0
[  251.500361]  ? xa_load+0x2e1/0x460
[  251.503905]  ? xa_clear_mark+0x40/0x40
[  251.507796]  ? zap_class+0x640/0x640
[  251.511519]  ? zap_class+0x640/0x640
[  251.515236]  ? zap_class+0x640/0x640
[  251.518954]  ? __do_page_cache_readahead+0x663/0x810
[  251.524065]  ? find_held_lock+0x36/0x1c0
[  251.528135]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  251.533682]  alloc_pages_current+0x173/0x350
[  251.538097]  __page_cache_alloc+0x38c/0x5c0
[  251.542417]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.547346]  ? kasan_check_read+0x11/0x20
[  251.551490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.556766]  ? generic_perform_write+0x6a0/0x6a0
[  251.561538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.567077]  ? check_preemption_disabled+0x48/0x280
[  251.572099]  filemap_fault+0x1595/0x25f0
[  251.576171]  ? __lock_page_or_retry+0xa00/0xa00
[  251.580843]  ? mark_held_locks+0x130/0x130
[  251.585089]  ? filemap_map_pages+0xd6b/0x1a20
[  251.589583]  ? lock_downgrade+0x900/0x900
[  251.593734]  ? check_preemption_disabled+0x48/0x280
[  251.598753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.603677]  ? kasan_check_read+0x11/0x20
[  251.607840]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.613116]  ? rcu_softirq_qs+0x20/0x20
[  251.617100]  ? filemap_map_pages+0xd92/0x1a20
[  251.621608]  ? find_get_entries_tag+0x1400/0x1400
[  251.626468]  ? lock_acquire+0x1ed/0x520
[  251.630442]  ? ext4_filemap_fault+0x7a/0xad
[  251.634769]  ? lock_release+0xa00/0xa00
[  251.638741]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.644191]  ? mark_held_locks+0x130/0x130
[  251.648428]  ? print_usage_bug+0xc0/0xc0
[  251.652493]  ? print_usage_bug+0xc0/0xc0
[  251.656563]  ? down_read+0x8d/0x120
[  251.660193]  ? ext4_filemap_fault+0x7a/0xad
[  251.664552]  ? __down_interruptible+0x700/0x700
[  251.669248]  ext4_filemap_fault+0x82/0xad
[  251.673408]  __do_fault+0x100/0x6b0
[  251.677051]  ? pmd_devmap_trans_unstable+0x220/0x220
[  251.682156]  ? mark_held_locks+0x130/0x130
[  251.686409]  ? mark_held_locks+0x130/0x130
[  251.690653]  ? hrtimer_forward+0x2a0/0x2a0
[  251.694889]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  251.699736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.705286]  __handle_mm_fault+0x3ea6/0x5be0
[  251.709714]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  251.714556]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.719660]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.724765]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.729351]  ? trace_hardirqs_on+0xbd/0x310
[  251.733674]  ? kasan_check_read+0x11/0x20
[  251.737820]  ? __free_object+0x173/0x340
[  251.741918]  ? zap_class+0x640/0x640
[  251.745644]  ? zap_class+0x640/0x640
[  251.749353]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.754459]  ? find_held_lock+0x36/0x1c0
[  251.758531]  ? handle_mm_fault+0x42a/0xc70
[  251.762783]  ? lock_downgrade+0x900/0x900
[  251.766926]  ? check_preemption_disabled+0x48/0x280
[  251.771949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.776879]  ? kasan_check_read+0x11/0x20
[  251.781027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.786301]  ? rcu_softirq_qs+0x20/0x20
[  251.790281]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.795385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.800925]  ? check_preemption_disabled+0x48/0x280
[  251.805952]  handle_mm_fault+0x54f/0xc70
[  251.810016]  ? __handle_mm_fault+0x5be0/0x5be0
[  251.814601]  ? find_vma+0x34/0x190
[  251.818150]  __do_page_fault+0x5e8/0xe60
[  251.822209]  ? trace_hardirqs_off+0xb8/0x310
[  251.826633]  do_page_fault+0xf2/0x7e0
[  251.830435]  ? vmalloc_sync_all+0x30/0x30
[  251.834585]  ? error_entry+0x70/0xd0
[  251.838316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.843350]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.848293]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.853242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.858133]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.863149]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.868604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.873621]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.878638]  ? page_fault+0x8/0x30
[  251.882184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.887028]  ? page_fault+0x8/0x30
[  251.890570]  page_fault+0x1e/0x30
[  251.894025] RIP: 0033:0x7f4afc2d3e40
[  251.897751] Code: Bad RIP value.
[  251.901110] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  251.906474] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  251.913753] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  251.921034] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  251.928300] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  251.935566] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  251.942861] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  251.942866] warn_alloc_show_mem: 1 callbacks suppressed
[  251.942873] Mem-Info:
[  251.950241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.955616] active_anon:57379 inactive_anon:189 isolated_anon:0
[  251.955616]  active_file:13 inactive_file:16 isolated_file:0
[  251.955616]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.955616]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  251.955616]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  251.955616]  free:13771 free_pcp:208 free_cma:0
[  251.957985] Call Trace:
[  251.967374] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.000224]  <IRQ>
[  252.002822] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  252.030336]  dump_stack+0x244/0x39d
[  252.032463] lowmem_reserve[]: 0 2818 6321 6321
[  252.058584]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.062180] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  252.066773]  warn_alloc.cold.116+0xb7/0x1bd
[  252.071928] lowmem_reserve[]: 0 0 3503 3503
[  252.099525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.103824] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  252.108140]  ? lock_downgrade+0x900/0x900
[  252.112954] lowmem_reserve[]: 0 0 0 0
[  252.141852]  ? trace_hardirqs_off+0xb8/0x310
[  252.145972] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  252.149770]  ? trace_hardirqs_off+0xb8/0x310
[  252.154147] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  252.167668]  __alloc_pages_slowpath+0x2651/0x2de0
[  252.172044] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  252.187495]  ? warn_alloc+0x120/0x120
[  252.192298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.206850]  ? print_usage_bug+0xc0/0xc0
[  252.210628] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.219451]  ? warn_alloc+0x120/0x120
[  252.223484] 273 total pagecache pages
[  252.232052]  ? warn_alloc+0x120/0x120
[  252.235836] 0 pages in swap cache
[  252.239641]  ? print_usage_bug+0xc0/0xc0
[  252.243423] Swap cache stats: add 0, delete 0, find 0/0
[  252.246869]  ? kvm_clock_read+0x18/0x30
[  252.250923] Free swap  = 0kB
[  252.256279]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  252.260236] Total swap = 0kB
[  252.263269]  ? print_usage_bug+0xc0/0xc0
[  252.268270] 1965979 pages RAM
[  252.271309]  ? __lock_acquire+0x62f/0x4c20
[  252.275343] 0 pages HighMem/MovableOnly
[  252.278446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.282651] 342853 pages reserved
[  252.286622]  ? should_fail+0x22d/0xd01
[  252.292133] 0 pages cma reserved
[  252.295582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.299518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.302804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.308249] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.314625]  ? __lock_acquire+0x62f/0x4c20
[  252.319701] cron cpuset=/ mems_allowed=0
[  252.329399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.342740]  ? __lock_acquire+0x62f/0x4c20
[  252.346972]  ? should_fail+0x22d/0xd01
[  252.350855]  ? rcu_irq_exit+0x1a2/0x390
[  252.354836]  ? mark_held_locks+0x130/0x130
[  252.359071]  ? mark_held_locks+0x130/0x130
[  252.363327]  ? mark_held_locks+0xc7/0x130
[  252.367615]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.372635]  ? zap_class+0x640/0x640
[  252.376366]  ? print_usage_bug+0xc0/0xc0
[  252.380430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.385973]  ? check_preemption_disabled+0x48/0x280
[  252.390996]  ? __lock_is_held+0xb5/0x140
[  252.395072]  __alloc_pages_nodemask+0xad8/0xea0
[  252.399739]  ? zap_class+0x640/0x640
[  252.403465]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  252.408491]  ? find_held_lock+0x36/0x1c0
[  252.412562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.417239]  ? lock_downgrade+0x900/0x900
[  252.421414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.426957]  cache_grow_begin+0xa5/0x8c0
[  252.431017]  ? do_raw_spin_unlock+0xa7/0x330
[  252.435435]  fallback_alloc+0x204/0x2e0
[  252.439414]  ____cache_alloc_node+0x1c7/0x1e0
[  252.443918]  kmem_cache_alloc_node+0xe3/0x730
[  252.448416]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.452660]  __alloc_skb+0x119/0x770
[  252.456370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.461656]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.466063]  ? lock_downgrade+0x900/0x900
[  252.470394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.475932]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.481386]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.486840]  ? addrconf_rs_timer+0x690/0x690
[  252.491305]  ndisc_alloc_skb+0x144/0x340
[  252.495811]  ndisc_send_rs+0x331/0x6e0
[  252.499705]  addrconf_rs_timer+0x314/0x690
[  252.503945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.508187]  call_timer_fn+0x272/0x920
[  252.512071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.516309]  ? process_timeout+0x40/0x40
[  252.520378]  ? __run_timers+0x7da/0xc70
[  252.524354]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.528862]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.533354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.537591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.542203]  ? trace_hardirqs_on+0xbd/0x310
[  252.546534]  ? kasan_check_read+0x11/0x20
[  252.550691]  ? __run_timers+0x7da/0xc70
[  252.554680]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.559792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.564029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.568267]  __run_timers+0x7e5/0xc70
[  252.572076]  ? timer_fixup_init+0x70/0x70
[  252.576228]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.581269]  ? zap_class+0x640/0x640
[  252.584988]  ? enqueue_hrtimer+0x1a5/0x560
[  252.589227]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.594435]  ? find_held_lock+0x36/0x1c0
[  252.598500]  ? zap_class+0x640/0x640
[  252.602215]  ? pvclock_read_flags+0x160/0x160
[  252.606727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.612287]  ? check_preemption_disabled+0x48/0x280
[  252.617330]  ? __lock_is_held+0xb5/0x140
[  252.621392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.626931]  ? check_preemption_disabled+0x48/0x280
[  252.631949]  run_timer_softirq+0x52/0xb0
[  252.636014]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.641031]  __do_softirq+0x308/0xb7e
[  252.644833]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.649329]  ? lock_downgrade+0x900/0x900
[  252.653482]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.658591]  ? pvclock_read_flags+0x160/0x160
[  252.663087]  ? lapic_next_event+0x5a/0x90
[  252.667245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.672794]  ? kvm_clock_read+0x18/0x30
[  252.676774]  ? kvm_sched_clock_read+0x9/0x20
[  252.681187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.686728]  ? check_preemption_disabled+0x48/0x280
[  252.691762]  irq_exit+0x17f/0x1c0
[  252.695219]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.700072]  ? smp_reschedule_interrupt+0x109/0x650
[  252.705088]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.710973]  ? interrupt_entry+0xb5/0xc0
[  252.715038]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.720053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.725072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.729919]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.734936]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.739948]  ? task_prio+0x50/0x50
[  252.743495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.749063]  ? check_preemption_disabled+0x48/0x280
[  252.754081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.758932]  apic_timer_interrupt+0xf/0x20
[  252.763158]  </IRQ>
[  252.765396] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.770330] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  252.789238] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.796943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  252.804208] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  252.811483] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  252.818748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  252.826021] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  252.833329]  skb_clone+0x1bb/0x500
[  252.836871]  ? finish_task_switch+0x1b4/0x910
[  252.841364]  ? skb_split+0x11e0/0x11e0
[  252.845275]  ? preempt_notifier_register+0x200/0x200
[  252.850381]  ? __switch_to_asm+0x34/0x70
[  252.854444]  ? __switch_to_asm+0x34/0x70
[  252.858505]  ? __switch_to_asm+0x40/0x70
[  252.862560]  ? __switch_to_asm+0x34/0x70
[  252.866619]  ? __switch_to_asm+0x40/0x70
[  252.870680]  ? __switch_to_asm+0x34/0x70
[  252.874738]  ? __switch_to_asm+0x40/0x70
[  252.878800]  ? __switch_to_asm+0x34/0x70
[  252.882860]  ? __switch_to_asm+0x34/0x70
[  252.886916]  ? __switch_to_asm+0x40/0x70
[  252.890977]  ? __switch_to_asm+0x34/0x70
[  252.895044]  bpf_clone_redirect+0xb9/0x490
[  252.899281]  ? __schedule+0x8d7/0x21d0
[  252.903178]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  252.908198]  ? __sched_text_start+0x8/0x8
[  252.912355]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.917114]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.921692]  ? retint_kernel+0x2d/0x2d
[  252.925585]  ? find_held_lock+0x36/0x1c0
[  252.929653]  ? lock_acquire+0x1ed/0x520
[  252.933628]  ? bpf_test_run+0x3ee/0x7a0
[  252.937608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.943151]  ? check_preemption_disabled+0x48/0x280
[  252.948172]  ? kasan_check_read+0x11/0x20
[  252.952323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.957603]  ? rcu_softirq_qs+0x20/0x20
[  252.961576]  ? preempt_schedule+0x4d/0x60
[  252.965723]  ? ___preempt_schedule+0x16/0x18
[  252.970142]  ? bpf_test_run+0x271/0x7a0
[  252.974139]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.978554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.984094]  ? bpf_test_init.isra.10+0x70/0x100
[  252.988773]  ? bpf_prog_test_run_skb+0x762/0xd60
[  252.993538]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.998390]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.003928]  ? fput+0x130/0x1a0
[  253.007213]  ? __bpf_prog_get+0x9b/0x290
[  253.011317]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  253.016154]  ? bpf_prog_test_run+0x130/0x1a0
[  253.020564]  ? __x64_sys_bpf+0x3d8/0x520
[  253.024623]  ? bpf_prog_get+0x20/0x20
[  253.028435]  ? do_syscall_64+0x1e1/0x820
[  253.032501]  ? do_syscall_64+0x1b9/0x820
[  253.036562]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.041928]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.046858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.051705]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.056722]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.061748]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.066779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.071628]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.077016] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  253.077086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.083509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.083518] Call Trace:
[  253.090084] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.099337]  <IRQ>
[  253.101908] syz-executor5 cpuset=syz5 mems_allowed=0
[  253.112389]  dump_stack+0x244/0x39d
[  253.123220]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.128436]  warn_alloc.cold.116+0xb7/0x1bd
[  253.132762]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.137614]  ? lock_downgrade+0x900/0x900
[  253.141772]  ? trace_hardirqs_off+0xb8/0x310
[  253.146189]  ? trace_hardirqs_off+0xb8/0x310
[  253.150604]  __alloc_pages_slowpath+0x2651/0x2de0
[  253.155478]  ? warn_alloc+0x120/0x120
[  253.159284]  ? print_usage_bug+0xc0/0xc0
[  253.163346]  ? warn_alloc+0x120/0x120
[  253.167150]  ? warn_alloc+0x120/0x120
[  253.170955]  ? print_usage_bug+0xc0/0xc0
[  253.175024]  ? kvm_clock_read+0x18/0x30
[  253.178996]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  253.184031]  ? print_usage_bug+0xc0/0xc0
[  253.188093]  ? __lock_acquire+0x62f/0x4c20
[  253.192332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.197868]  ? should_fail+0x22d/0xd01
[  253.201758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.207036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.212139]  ? __lock_acquire+0x62f/0x4c20
[  253.216381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.221479]  ? __lock_acquire+0x62f/0x4c20
[  253.225715]  ? should_fail+0x22d/0xd01
[  253.229598]  ? rcu_irq_exit+0x1a2/0x390
[  253.233594]  ? mark_held_locks+0x130/0x130
[  253.237836]  ? mark_held_locks+0x130/0x130
[  253.242077]  ? mark_held_locks+0xc7/0x130
[  253.246226]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.251273]  ? zap_class+0x640/0x640
[  253.254985]  ? print_usage_bug+0xc0/0xc0
[  253.259051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.264589]  ? check_preemption_disabled+0x48/0x280
[  253.269616]  ? __lock_is_held+0xb5/0x140
[  253.273693]  __alloc_pages_nodemask+0xad8/0xea0
[  253.278376]  ? zap_class+0x640/0x640
[  253.282092]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  253.287118]  ? find_held_lock+0x36/0x1c0
[  253.291189]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.295856]  ? lock_downgrade+0x900/0x900
[  253.300012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.305555]  cache_grow_begin+0xa5/0x8c0
[  253.309616]  ? do_raw_spin_unlock+0xa7/0x330
[  253.314058]  fallback_alloc+0x204/0x2e0
[  253.318040]  ____cache_alloc_node+0x1c7/0x1e0
[  253.322544]  kmem_cache_alloc_node+0xe3/0x730
[  253.327052]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.331300]  __alloc_skb+0x119/0x770
[  253.335016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.340295]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.344703]  ? lock_downgrade+0x900/0x900
[  253.348876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.354418]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.359874]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.365337]  ? addrconf_rs_timer+0x690/0x690
[  253.369754]  ndisc_alloc_skb+0x144/0x340
[  253.373851]  ndisc_send_rs+0x331/0x6e0
[  253.377742]  addrconf_rs_timer+0x314/0x690
[  253.381982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.386227]  call_timer_fn+0x272/0x920
[  253.390137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.394368]  ? process_timeout+0x40/0x40
[  253.398439]  ? mark_held_locks+0xc7/0x130
[  253.402586]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.407077]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.411568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.415807]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.420394]  ? trace_hardirqs_on+0xbd/0x310
[  253.424760]  ? kasan_check_read+0x11/0x20
[  253.428933]  ? __run_timers+0x7da/0xc70
[  253.432941]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.438076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.442320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.446553]  __run_timers+0x7e5/0xc70
[  253.450364]  ? timer_fixup_init+0x70/0x70
[  253.454510]  ? kasan_check_read+0x11/0x20
[  253.458657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.463936]  ? rcu_softirq_qs+0x20/0x20
[  253.467913]  ? mark_held_locks+0xc7/0x130
[  253.472063]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.476834]  ? retint_kernel+0x2d/0x2d
[  253.480782]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.485712]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.490482]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.495936]  ? zap_class+0x640/0x640
[  253.499655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.505193]  ? check_preemption_disabled+0x48/0x280
[  253.510221]  ? __lock_is_held+0xb5/0x140
[  253.514299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.519841]  ? check_preemption_disabled+0x48/0x280
[  253.524865]  run_timer_softirq+0x52/0xb0
[  253.528925]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.533941]  __do_softirq+0x308/0xb7e
[  253.537741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  253.542258]  ? lock_downgrade+0x900/0x900
[  253.546411]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.551525]  ? pvclock_read_flags+0x160/0x160
[  253.556021]  ? lapic_next_event+0x5a/0x90
[  253.560171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.565715]  ? kvm_clock_read+0x18/0x30
[  253.569702]  ? kvm_sched_clock_read+0x9/0x20
[  253.574109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.579646]  ? check_preemption_disabled+0x48/0x280
[  253.584668]  irq_exit+0x17f/0x1c0
[  253.588120]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.592961]  ? smp_reschedule_interrupt+0x109/0x650
[  253.597980]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.603870]  ? interrupt_entry+0xb5/0xc0
[  253.607944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.612958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.617991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.622835]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.627846]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.632876]  ? task_prio+0x50/0x50
[  253.636417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.641951]  ? check_preemption_disabled+0x48/0x280
[  253.647005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.651893]  apic_timer_interrupt+0xf/0x20
[  253.656118]  </IRQ>
[  253.658355] RIP: 0010:dump_stack+0x358/0x39d
[  253.662775] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  253.681673] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  253.689376] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  253.696646] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  253.703910] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  253.711173] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  253.718437] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  253.725724]  ? dump_stack+0x34f/0x39d
[  253.729687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.734910]  ? mark_held_locks+0x130/0x130
[  253.739158]  ? mark_held_locks+0x130/0x130
[  253.743397]  dump_header+0x27b/0xf72
[  253.747126]  ? pagefault_out_of_memory+0x197/0x197
[  253.752062]  ? __lock_acquire+0x62f/0x4c20
[  253.756300]  ? percpu_ref_get_many+0x240/0x240
[  253.760887]  ? print_usage_bug+0xc0/0xc0
[  253.764956]  ? zap_class+0x640/0x640
[  253.768670]  ? print_usage_bug+0xc0/0xc0
[  253.772731]  ? print_usage_bug+0xc0/0xc0
[  253.776795]  ? zap_class+0x640/0x640
[  253.780517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.786056]  ? find_held_lock+0x36/0x1c0
[  253.790139]  ? mark_held_locks+0xc7/0x130
[  253.794291]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.799391]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.804493]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  253.809089]  ? trace_hardirqs_on+0xbd/0x310
[  253.813414]  ? kasan_check_read+0x11/0x20
[  253.817563]  ? ___ratelimit+0x3b4/0x672
[  253.821537]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.826642]  ? trace_hardirqs_on+0x310/0x310
[  253.831055]  ? lock_downgrade+0x900/0x900
[  253.835205]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.840318]  ? ___ratelimit+0x3b9/0x672
[  253.844292]  ? idr_get_free+0xf70/0xf70
[  253.848271]  ? find_held_lock+0x36/0x1c0
[  253.852347]  oom_kill_process.cold.27+0x10/0x903
[  253.857120]  ? zap_class+0x640/0x640
[  253.860834]  ? check_preemption_disabled+0x48/0x280
[  253.865855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.870787]  ? kasan_check_read+0x11/0x20
[  253.874935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.880239]  ? oom_evaluate_task+0x540/0x540
[  253.884655]  ? find_held_lock+0x36/0x1c0
[  253.888721]  ? out_of_memory+0x974/0x1430
[  253.892872]  ? lock_downgrade+0x900/0x900
[  253.897019]  ? check_preemption_disabled+0x48/0x280
[  253.902035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.906977]  ? kasan_check_read+0x11/0x20
[  253.911125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.916403]  ? rcu_softirq_qs+0x20/0x20
[  253.920380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.925916]  ? oom_evaluate_task+0x302/0x540
[  253.930328]  out_of_memory+0xa84/0x1430
[  253.934311]  ? oom_killer_disable+0x3a0/0x3a0
[  253.938805]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  253.943735]  ? __ww_mutex_check_waiters+0x160/0x160
[  253.948766]  __alloc_pages_slowpath+0x232c/0x2de0
[  253.953639]  ? warn_alloc+0x120/0x120
[  253.957438]  ? mark_held_locks+0x130/0x130
[  253.961681]  ? find_get_entry+0xaae/0x1120
[  253.965923]  ? filemap_map_pages+0x1a20/0x1a20
[  253.970509]  ? zap_class+0x640/0x640
[  253.974238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.979791]  ? check_preemption_disabled+0x48/0x280
[  253.984813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.990353]  ? should_fail+0x22d/0xd01
[  253.994261]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.999365]  ? zap_class+0x640/0x640
[  254.003112]  ? __lock_is_held+0xb5/0x140
[  254.007182]  ? mark_held_locks+0x130/0x130
[  254.011418]  ? lock_release+0xa00/0xa00
[  254.015395]  ? perf_trace_sched_process_exec+0x860/0x860
[  254.020846]  ? xa_load+0x2ba/0x460
[  254.024389]  ? lock_downgrade+0x900/0x900
[  254.028540]  ? __might_sleep+0x95/0x190
[  254.032519]  __alloc_pages_nodemask+0xad8/0xea0
[  254.037199]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  254.042223]  ? __page_cache_alloc+0x191/0x5c0
[  254.046728]  ? xa_load+0x2e1/0x460
[  254.050277]  ? xa_clear_mark+0x40/0x40
[  254.054168]  ? zap_class+0x640/0x640
[  254.057892]  ? zap_class+0x640/0x640
[  254.061607]  ? zap_class+0x640/0x640
[  254.065323]  ? __do_page_cache_readahead+0x663/0x810
[  254.070429]  ? find_held_lock+0x36/0x1c0
[  254.074496]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  254.080041]  alloc_pages_current+0x173/0x350
[  254.084454]  __page_cache_alloc+0x38c/0x5c0
[  254.088780]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.093707]  ? kasan_check_read+0x11/0x20
[  254.097854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.103134]  ? generic_perform_write+0x6a0/0x6a0
[  254.107891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.113431]  ? check_preemption_disabled+0x48/0x280
[  254.118454]  filemap_fault+0x1595/0x25f0
[  254.122532]  ? __lock_page_or_retry+0xa00/0xa00
[  254.127204]  ? mark_held_locks+0x130/0x130
[  254.131454]  ? filemap_map_pages+0xd6b/0x1a20
[  254.135959]  ? lock_downgrade+0x900/0x900
[  254.140103]  ? check_preemption_disabled+0x48/0x280
[  254.145118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.150046]  ? kasan_check_read+0x11/0x20
[  254.154193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.159466]  ? rcu_softirq_qs+0x20/0x20
[  254.163451]  ? filemap_map_pages+0xd92/0x1a20
[  254.167977]  ? find_get_entries_tag+0x1400/0x1400
[  254.172839]  ? lock_acquire+0x1ed/0x520
[  254.176816]  ? ext4_filemap_fault+0x7a/0xad
[  254.181147]  ? lock_release+0xa00/0xa00
[  254.185117]  ? perf_trace_sched_process_exec+0x860/0x860
[  254.190563]  ? mark_held_locks+0x130/0x130
[  254.194810]  ? print_usage_bug+0xc0/0xc0
[  254.198902]  ? print_usage_bug+0xc0/0xc0
[  254.202973]  ? down_read+0x8d/0x120
[  254.206598]  ? ext4_filemap_fault+0x7a/0xad
[  254.210923]  ? __down_interruptible+0x700/0x700
[  254.215599]  ext4_filemap_fault+0x82/0xad
[  254.219745]  __do_fault+0x100/0x6b0
[  254.223376]  ? pmd_devmap_trans_unstable+0x220/0x220
[  254.228485]  ? mark_held_locks+0x130/0x130
[  254.232720]  ? mark_held_locks+0x130/0x130
[  254.236963]  ? hrtimer_forward+0x2a0/0x2a0
[  254.241194]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  254.246036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.251581]  __handle_mm_fault+0x3ea6/0x5be0
[  254.256001]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  254.260842]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.265940]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.271044]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  254.275630]  ? trace_hardirqs_on+0xbd/0x310
[  254.279951]  ? kasan_check_read+0x11/0x20
[  254.284101]  ? __free_object+0x173/0x340
[  254.288177]  ? zap_class+0x640/0x640
[  254.291892]  ? zap_class+0x640/0x640
[  254.295605]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.300717]  ? find_held_lock+0x36/0x1c0
[  254.304791]  ? handle_mm_fault+0x42a/0xc70
[  254.309028]  ? lock_downgrade+0x900/0x900
[  254.313174]  ? check_preemption_disabled+0x48/0x280
[  254.318195]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.323121]  ? kasan_check_read+0x11/0x20
[  254.327278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.332555]  ? rcu_softirq_qs+0x20/0x20
[  254.336527]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.341630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.347168]  ? check_preemption_disabled+0x48/0x280
[  254.352187]  handle_mm_fault+0x54f/0xc70
[  254.356276]  ? __handle_mm_fault+0x5be0/0x5be0
[  254.360861]  ? find_vma+0x34/0x190
[  254.364959]  __do_page_fault+0x5e8/0xe60
[  254.369019]  ? trace_hardirqs_off+0xb8/0x310
[  254.373440]  do_page_fault+0xf2/0x7e0
[  254.377251]  ? vmalloc_sync_all+0x30/0x30
[  254.381407]  ? error_entry+0x70/0xd0
[  254.385121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.390135]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.395065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.399994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.404835]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.409854]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.415306]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.420323]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.425337]  ? page_fault+0x8/0x30
[  254.428880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.433730]  ? page_fault+0x8/0x30
[  254.437275]  page_fault+0x1e/0x30
[  254.440728] RIP: 0033:0x7f4afc2d3e40
[  254.444456] Code: Bad RIP value.
[  254.447814] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  254.453178] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  254.460445] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  254.467711] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  254.474975] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  254.482250] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  254.489551] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  254.489556] warn_alloc_show_mem: 1 callbacks suppressed
[  254.489564] Mem-Info:
[  254.497393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.497402] Call Trace:
[  254.502779] active_anon:57379 inactive_anon:189 isolated_anon:0
[  254.502779]  active_file:13 inactive_file:16 isolated_file:0
[  254.502779]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.502779]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  254.502779]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  254.502779]  free:13771 free_pcp:208 free_cma:0
[  254.505159]  <IRQ>
[  254.514520] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.517105]  dump_stack+0x244/0x39d
[  254.549954] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  254.552099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.579565] lowmem_reserve[]: 0 2818 6321 6321
[  254.583198]  warn_alloc.cold.116+0xb7/0x1bd
[  254.609276] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.614461]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.619013] lowmem_reserve[]: 0 0 3503 3503
[  254.623333]  ? lock_downgrade+0x900/0x900
[  254.650892] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  254.655735]  ? trace_hardirqs_off+0xb8/0x310
[  254.660025] lowmem_reserve[]: 0 0 0 0
[  254.664170]  ? trace_hardirqs_off+0xb8/0x310
[  254.693028] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  254.697437]  __alloc_pages_slowpath+0x2651/0x2de0
[  254.701211] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  254.705638]  ? warn_alloc+0x120/0x120
[  254.719114] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  254.723952]  ? print_usage_bug+0xc0/0xc0
[  254.739368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.743155]  ? warn_alloc+0x120/0x120
[  254.757700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.761745]  ? warn_alloc+0x120/0x120
[  254.770558] 273 total pagecache pages
[  254.774352]  ? print_usage_bug+0xc0/0xc0
[  254.782911] 0 pages in swap cache
[  254.786699]  ? kvm_clock_read+0x18/0x30
[  254.790479] Swap cache stats: add 0, delete 0, find 0/0
[  254.794529]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.797965] Free swap  = 0kB
[  254.801945]  ? print_usage_bug+0xc0/0xc0
[  254.807282] Total swap = 0kB
[  254.812288]  ? __lock_acquire+0x62f/0x4c20
[  254.815305] 1965979 pages RAM
[  254.819359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.822351] 0 pages HighMem/MovableOnly
[  254.826582]  ? should_fail+0x22d/0xd01
[  254.829663] 342853 pages reserved
[  254.835199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.839147] 0 pages cma reserved
[  254.843033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.846521] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.851728]  ? __lock_acquire+0x62f/0x4c20
[  254.855168] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.860185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.866649] cron cpuset=/ mems_allowed=0
[  254.870870]  ? __lock_acquire+0x62f/0x4c20
[  254.870886]  ? should_fail+0x22d/0xd01
[  254.897789]  ? rcu_irq_exit+0x1a2/0x390
[  254.901775]  ? mark_held_locks+0x130/0x130
[  254.906013]  ? mark_held_locks+0x130/0x130
[  254.910262]  ? mark_held_locks+0xc7/0x130
[  254.914412]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.919425]  ? zap_class+0x640/0x640
[  254.923140]  ? print_usage_bug+0xc0/0xc0
[  254.927205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.932750]  ? check_preemption_disabled+0x48/0x280
[  254.937786]  ? __lock_is_held+0xb5/0x140
[  254.941855]  __alloc_pages_nodemask+0xad8/0xea0
[  254.946521]  ? zap_class+0x640/0x640
[  254.950248]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  254.955277]  ? find_held_lock+0x36/0x1c0
[  254.959349]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.964016]  ? lock_downgrade+0x900/0x900
[  254.968170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.973721]  cache_grow_begin+0xa5/0x8c0
[  254.977800]  ? do_raw_spin_unlock+0xa7/0x330
[  254.982218]  fallback_alloc+0x204/0x2e0
[  254.986207]  ____cache_alloc_node+0x1c7/0x1e0
[  254.990733]  kmem_cache_alloc_node+0xe3/0x730
[  254.995256]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.999501]  __alloc_skb+0x119/0x770
[  255.003214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.008503]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.012910]  ? lock_downgrade+0x900/0x900
[  255.017065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.022604]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.028060]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.033509]  ? addrconf_rs_timer+0x690/0x690
[  255.037928]  ndisc_alloc_skb+0x144/0x340
[  255.041992]  ndisc_send_rs+0x331/0x6e0
[  255.045884]  addrconf_rs_timer+0x314/0x690
[  255.050128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.054372]  call_timer_fn+0x272/0x920
[  255.058264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.062498]  ? process_timeout+0x40/0x40
[  255.066564]  ? __run_timers+0x7da/0xc70
[  255.070537]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.075034]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.079526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.083770]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.088354]  ? trace_hardirqs_on+0xbd/0x310
[  255.092676]  ? kasan_check_read+0x11/0x20
[  255.096818]  ? __run_timers+0x7da/0xc70
[  255.100810]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.105960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.110202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.114443]  __run_timers+0x7e5/0xc70
[  255.118261]  ? timer_fixup_init+0x70/0x70
[  255.122415]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  255.127435]  ? zap_class+0x640/0x640
[  255.131150]  ? enqueue_hrtimer+0x1a5/0x560
[  255.135386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  255.140580]  ? find_held_lock+0x36/0x1c0
[  255.144649]  ? zap_class+0x640/0x640
[  255.148369]  ? pvclock_read_flags+0x160/0x160
[  255.152872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.158412]  ? check_preemption_disabled+0x48/0x280
[  255.163436]  ? __lock_is_held+0xb5/0x140
[  255.167498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.173039]  ? check_preemption_disabled+0x48/0x280
[  255.178063]  run_timer_softirq+0x52/0xb0
[  255.182121]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.187137]  __do_softirq+0x308/0xb7e
[  255.190939]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  255.195434]  ? lock_downgrade+0x900/0x900
[  255.199589]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.204703]  ? pvclock_read_flags+0x160/0x160
[  255.209202]  ? lapic_next_event+0x5a/0x90
[  255.213361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.218905]  ? kvm_clock_read+0x18/0x30
[  255.222877]  ? kvm_sched_clock_read+0x9/0x20
[  255.227291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.232832]  ? check_preemption_disabled+0x48/0x280
[  255.237860]  irq_exit+0x17f/0x1c0
[  255.241315]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.246156]  ? smp_reschedule_interrupt+0x109/0x650
[  255.251171]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.257057]  ? interrupt_entry+0xb5/0xc0
[  255.261119]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.266137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.271154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.275997]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.281009]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.286040]  ? task_prio+0x50/0x50
[  255.289582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.295135]  ? check_preemption_disabled+0x48/0x280
[  255.300155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.305006]  apic_timer_interrupt+0xf/0x20
[  255.309242]  </IRQ>
[  255.311482] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.316414] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  255.335313] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  255.343018] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.350287] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  255.357553] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  255.364821] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.372085] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  255.379390]  skb_clone+0x1bb/0x500
[  255.382929]  ? finish_task_switch+0x1b4/0x910
[  255.387426]  ? skb_split+0x11e0/0x11e0
[  255.391314]  ? preempt_notifier_register+0x200/0x200
[  255.396415]  ? __switch_to_asm+0x34/0x70
[  255.400475]  ? __switch_to_asm+0x34/0x70
[  255.404532]  ? __switch_to_asm+0x40/0x70
[  255.408587]  ? __switch_to_asm+0x34/0x70
[  255.412646]  ? __switch_to_asm+0x40/0x70
[  255.416701]  ? __switch_to_asm+0x34/0x70
[  255.420761]  ? __switch_to_asm+0x40/0x70
[  255.424818]  ? __switch_to_asm+0x34/0x70
[  255.428879]  ? __switch_to_asm+0x34/0x70
[  255.432940]  ? __switch_to_asm+0x40/0x70
[  255.437000]  ? __switch_to_asm+0x34/0x70
[  255.441064]  bpf_clone_redirect+0xb9/0x490
[  255.445298]  ? __schedule+0x8d7/0x21d0
[  255.449189]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  255.454207]  ? __sched_text_start+0x8/0x8
[  255.458366]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.463127]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.467707]  ? retint_kernel+0x2d/0x2d
[  255.471597]  ? find_held_lock+0x36/0x1c0
[  255.475666]  ? lock_acquire+0x1ed/0x520
[  255.479639]  ? bpf_test_run+0x3ee/0x7a0
[  255.483617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.489156]  ? check_preemption_disabled+0x48/0x280
[  255.494177]  ? kasan_check_read+0x11/0x20
[  255.498326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.503600]  ? rcu_softirq_qs+0x20/0x20
[  255.507577]  ? preempt_schedule+0x4d/0x60
[  255.511723]  ? ___preempt_schedule+0x16/0x18
[  255.516146]  ? bpf_test_run+0x271/0x7a0
[  255.520135]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.524545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.530078]  ? bpf_test_init.isra.10+0x70/0x100
[  255.534760]  ? bpf_prog_test_run_skb+0x762/0xd60
[  255.539526]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  255.544376]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.549914]  ? fput+0x130/0x1a0
[  255.553193]  ? __bpf_prog_get+0x9b/0x290
[  255.557261]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  255.562102]  ? bpf_prog_test_run+0x130/0x1a0
[  255.566515]  ? __x64_sys_bpf+0x3d8/0x520
[  255.570579]  ? bpf_prog_get+0x20/0x20
[  255.574391]  ? do_syscall_64+0x1e1/0x820
[  255.578460]  ? do_syscall_64+0x1b9/0x820
[  255.582520]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  255.587887]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.592815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.597674]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.602694]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  255.607726]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.612758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.617605]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.622988] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  255.623059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.629476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.629482] Call Trace:
[  255.629488]  <IRQ>
[  255.629506]  dump_stack+0x244/0x39d
[  255.629525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.636086] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.645362]  warn_alloc.cold.116+0xb7/0x1bd
[  255.647919] syz-executor5 cpuset=syz5 mems_allowed=0
[  255.650062]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.683526]  ? lock_downgrade+0x900/0x900
[  255.687700]  ? trace_hardirqs_off+0xb8/0x310
[  255.692113]  ? trace_hardirqs_off+0xb8/0x310
[  255.696528]  __alloc_pages_slowpath+0x2651/0x2de0
[  255.701422]  ? warn_alloc+0x120/0x120
[  255.705228]  ? print_usage_bug+0xc0/0xc0
[  255.709302]  ? warn_alloc+0x120/0x120
[  255.713108]  ? warn_alloc+0x120/0x120
[  255.716911]  ? print_usage_bug+0xc0/0xc0
[  255.720974]  ? kvm_clock_read+0x18/0x30
[  255.724948]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  255.729968]  ? print_usage_bug+0xc0/0xc0
[  255.734035]  ? __lock_acquire+0x62f/0x4c20
[  255.738282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.743821]  ? should_fail+0x22d/0xd01
[  255.747704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.752984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.758086]  ? __lock_acquire+0x62f/0x4c20
[  255.762327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.767433]  ? __lock_acquire+0x62f/0x4c20
[  255.771666]  ? should_fail+0x22d/0xd01
[  255.775551]  ? rcu_irq_exit+0x1a2/0x390
[  255.779534]  ? mark_held_locks+0x130/0x130
[  255.783775]  ? mark_held_locks+0x130/0x130
[  255.788015]  ? mark_held_locks+0xc7/0x130
[  255.792162]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  255.797179]  ? zap_class+0x640/0x640
[  255.800892]  ? print_usage_bug+0xc0/0xc0
[  255.804955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.810499]  ? check_preemption_disabled+0x48/0x280
[  255.815527]  ? __lock_is_held+0xb5/0x140
[  255.819593]  __alloc_pages_nodemask+0xad8/0xea0
[  255.824271]  ? zap_class+0x640/0x640
[  255.827993]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  255.833018]  ? find_held_lock+0x36/0x1c0
[  255.837092]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.841761]  ? lock_downgrade+0x900/0x900
[  255.845920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.851460]  cache_grow_begin+0xa5/0x8c0
[  255.855520]  ? do_raw_spin_unlock+0xa7/0x330
[  255.859935]  fallback_alloc+0x204/0x2e0
[  255.863913]  ____cache_alloc_node+0x1c7/0x1e0
[  255.868413]  kmem_cache_alloc_node+0xe3/0x730
[  255.872906]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.877154]  __alloc_skb+0x119/0x770
[  255.880868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.886152]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.890564]  ? lock_downgrade+0x900/0x900
[  255.894721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.900268]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.905722]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.911172]  ? addrconf_rs_timer+0x690/0x690
[  255.915594]  ndisc_alloc_skb+0x144/0x340
[  255.919660]  ndisc_send_rs+0x331/0x6e0
[  255.923555]  addrconf_rs_timer+0x314/0x690
[  255.927797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.932041]  call_timer_fn+0x272/0x920
[  255.935926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.940163]  ? process_timeout+0x40/0x40
[  255.944261]  ? mark_held_locks+0xc7/0x130
[  255.948412]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.952905]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.957397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.961632]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.966216]  ? trace_hardirqs_on+0xbd/0x310
[  255.970553]  ? kasan_check_read+0x11/0x20
[  255.974699]  ? __run_timers+0x7da/0xc70
[  255.978675]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.983787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.988026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.992270]  __run_timers+0x7e5/0xc70
[  255.996087]  ? timer_fixup_init+0x70/0x70
[  256.000247]  ? kasan_check_read+0x11/0x20
[  256.004400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.009680]  ? rcu_softirq_qs+0x20/0x20
[  256.013659]  ? mark_held_locks+0xc7/0x130
[  256.017813]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.022575]  ? retint_kernel+0x2d/0x2d
[  256.026463]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.031398]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.036154]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.041608]  ? zap_class+0x640/0x640
[  256.045326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.050870]  ? check_preemption_disabled+0x48/0x280
[  256.055895]  ? __lock_is_held+0xb5/0x140
[  256.059956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.065492]  ? check_preemption_disabled+0x48/0x280
[  256.070518]  run_timer_softirq+0x52/0xb0
[  256.074583]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.079603]  __do_softirq+0x308/0xb7e
[  256.083410]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.087935]  ? lock_downgrade+0x900/0x900
[  256.092088]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.097202]  ? pvclock_read_flags+0x160/0x160
[  256.101709]  ? lapic_next_event+0x5a/0x90
[  256.105859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.111400]  ? kvm_clock_read+0x18/0x30
[  256.115371]  ? kvm_sched_clock_read+0x9/0x20
[  256.119781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.125324]  ? check_preemption_disabled+0x48/0x280
[  256.130348]  irq_exit+0x17f/0x1c0
[  256.133802]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.138644]  ? smp_reschedule_interrupt+0x109/0x650
[  256.143662]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.149548]  ? interrupt_entry+0xb5/0xc0
[  256.153614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.158632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.163648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.168493]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.173506]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.178521]  ? task_prio+0x50/0x50
[  256.182066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.187607]  ? check_preemption_disabled+0x48/0x280
[  256.192630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.197481]  apic_timer_interrupt+0xf/0x20
[  256.201706]  </IRQ>
[  256.203947] RIP: 0010:dump_stack+0x358/0x39d
[  256.208357] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  256.227268] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  256.234982] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  256.242258] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  256.249529] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  256.256802] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  256.264069] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  256.271358]  ? dump_stack+0x34f/0x39d
[  256.275174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.280369]  ? mark_held_locks+0x130/0x130
[  256.284606]  ? mark_held_locks+0x130/0x130
[  256.288844]  dump_header+0x27b/0xf72
[  256.292568]  ? pagefault_out_of_memory+0x197/0x197
[  256.297508]  ? __lock_acquire+0x62f/0x4c20
[  256.301741]  ? percpu_ref_get_many+0x240/0x240
[  256.306324]  ? print_usage_bug+0xc0/0xc0
[  256.310393]  ? zap_class+0x640/0x640
[  256.314112]  ? print_usage_bug+0xc0/0xc0
[  256.318168]  ? print_usage_bug+0xc0/0xc0
[  256.322316]  ? zap_class+0x640/0x640
[  256.326034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.331575]  ? find_held_lock+0x36/0x1c0
[  256.335649]  ? mark_held_locks+0xc7/0x130
[  256.339801]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.344902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.350003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.354589]  ? trace_hardirqs_on+0xbd/0x310
[  256.358914]  ? kasan_check_read+0x11/0x20
[  256.363063]  ? ___ratelimit+0x3b4/0x672
[  256.367519]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.372625]  ? trace_hardirqs_on+0x310/0x310
[  256.377033]  ? lock_downgrade+0x900/0x900
[  256.381186]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.386293]  ? ___ratelimit+0x3b9/0x672
[  256.390274]  ? idr_get_free+0xf70/0xf70
[  256.394258]  ? find_held_lock+0x36/0x1c0
[  256.398334]  oom_kill_process.cold.27+0x10/0x903
[  256.403088]  ? zap_class+0x640/0x640
[  256.406807]  ? check_preemption_disabled+0x48/0x280
[  256.412009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.416938]  ? kasan_check_read+0x11/0x20
[  256.421082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.426364]  ? oom_evaluate_task+0x540/0x540
[  256.430779]  ? find_held_lock+0x36/0x1c0
[  256.434850]  ? out_of_memory+0x974/0x1430
[  256.438998]  ? lock_downgrade+0x900/0x900
[  256.443150]  ? check_preemption_disabled+0x48/0x280
[  256.448171]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.453099]  ? kasan_check_read+0x11/0x20
[  256.457261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.462539]  ? rcu_softirq_qs+0x20/0x20
[  256.466518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.472055]  ? oom_evaluate_task+0x302/0x540
[  256.476470]  out_of_memory+0xa84/0x1430
[  256.480452]  ? oom_killer_disable+0x3a0/0x3a0
[  256.484946]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  256.489877]  ? __ww_mutex_check_waiters+0x160/0x160
[  256.494903]  __alloc_pages_slowpath+0x232c/0x2de0
[  256.499917]  ? warn_alloc+0x120/0x120
[  256.503721]  ? mark_held_locks+0x130/0x130
[  256.507960]  ? find_get_entry+0xaae/0x1120
[  256.512207]  ? filemap_map_pages+0x1a20/0x1a20
[  256.516806]  ? zap_class+0x640/0x640
[  256.520525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.526062]  ? check_preemption_disabled+0x48/0x280
[  256.531076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.536610]  ? should_fail+0x22d/0xd01
[  256.540501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.545602]  ? zap_class+0x640/0x640
[  256.549342]  ? __lock_is_held+0xb5/0x140
[  256.553409]  ? mark_held_locks+0x130/0x130
[  256.557648]  ? lock_release+0xa00/0xa00
[  256.561622]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.567071]  ? xa_load+0x2ba/0x460
[  256.570614]  ? lock_downgrade+0x900/0x900
[  256.574766]  ? __might_sleep+0x95/0x190
[  256.578745]  __alloc_pages_nodemask+0xad8/0xea0
[  256.583421]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  256.588435]  ? __page_cache_alloc+0x191/0x5c0
[  256.592930]  ? xa_load+0x2e1/0x460
[  256.596470]  ? xa_clear_mark+0x40/0x40
[  256.600357]  ? zap_class+0x640/0x640
[  256.604079]  ? zap_class+0x640/0x640
[  256.607791]  ? zap_class+0x640/0x640
[  256.611504]  ? __do_page_cache_readahead+0x663/0x810
[  256.616613]  ? find_held_lock+0x36/0x1c0
[  256.620677]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  256.626219]  alloc_pages_current+0x173/0x350
[  256.630644]  __page_cache_alloc+0x38c/0x5c0
[  256.634965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.639892]  ? kasan_check_read+0x11/0x20
[  256.644037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.649315]  ? generic_perform_write+0x6a0/0x6a0
[  256.654072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.659610]  ? check_preemption_disabled+0x48/0x280
[  256.664636]  filemap_fault+0x1595/0x25f0
[  256.668708]  ? __lock_page_or_retry+0xa00/0xa00
[  256.673380]  ? mark_held_locks+0x130/0x130
[  256.677625]  ? filemap_map_pages+0xd6b/0x1a20
[  256.682121]  ? lock_downgrade+0x900/0x900
[  256.686280]  ? check_preemption_disabled+0x48/0x280
[  256.691301]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.696225]  ? kasan_check_read+0x11/0x20
[  256.700388]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.705665]  ? rcu_softirq_qs+0x20/0x20
[  256.709669]  ? filemap_map_pages+0xd92/0x1a20
[  256.714177]  ? find_get_entries_tag+0x1400/0x1400
[  256.719038]  ? lock_acquire+0x1ed/0x520
[  256.723015]  ? ext4_filemap_fault+0x7a/0xad
[  256.727343]  ? lock_release+0xa00/0xa00
[  256.731319]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.736766]  ? mark_held_locks+0x130/0x130
[  256.740999]  ? print_usage_bug+0xc0/0xc0
[  256.745061]  ? print_usage_bug+0xc0/0xc0
[  256.749137]  ? down_read+0x8d/0x120
[  256.752757]  ? ext4_filemap_fault+0x7a/0xad
[  256.757078]  ? __down_interruptible+0x700/0x700
[  256.761754]  ext4_filemap_fault+0x82/0xad
[  256.765904]  __do_fault+0x100/0x6b0
[  256.769536]  ? pmd_devmap_trans_unstable+0x220/0x220
[  256.774640]  ? mark_held_locks+0x130/0x130
[  256.778879]  ? mark_held_locks+0x130/0x130
[  256.783123]  ? hrtimer_forward+0x2a0/0x2a0
[  256.787353]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  256.792198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.797748]  __handle_mm_fault+0x3ea6/0x5be0
[  256.802169]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  256.807009]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.812114]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.817217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.821815]  ? trace_hardirqs_on+0xbd/0x310
[  256.826135]  ? kasan_check_read+0x11/0x20
[  256.830292]  ? __free_object+0x173/0x340
[  256.834365]  ? zap_class+0x640/0x640
[  256.838079]  ? zap_class+0x640/0x640
[  256.841789]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.846898]  ? find_held_lock+0x36/0x1c0
[  256.850969]  ? handle_mm_fault+0x42a/0xc70
[  256.855204]  ? lock_downgrade+0x900/0x900
[  256.859361]  ? check_preemption_disabled+0x48/0x280
[  256.864379]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.869308]  ? kasan_check_read+0x11/0x20
[  256.873459]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.878735]  ? rcu_softirq_qs+0x20/0x20
[  256.882708]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.887811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.893347]  ? check_preemption_disabled+0x48/0x280
[  256.898372]  handle_mm_fault+0x54f/0xc70
[  256.902440]  ? __handle_mm_fault+0x5be0/0x5be0
[  256.907031]  ? find_vma+0x34/0x190
[  256.910576]  __do_page_fault+0x5e8/0xe60
[  256.914636]  ? trace_hardirqs_off+0xb8/0x310
[  256.919058]  do_page_fault+0xf2/0x7e0
[  256.922862]  ? vmalloc_sync_all+0x30/0x30
[  256.927011]  ? error_entry+0x70/0xd0
[  256.930729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.935747]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.940674]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.945605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.950446]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.955460]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.960914]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.965934]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.970949]  ? page_fault+0x8/0x30
[  256.974496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.979348]  ? page_fault+0x8/0x30
[  256.982888]  page_fault+0x1e/0x30
[  256.986340] RIP: 0033:0x7f4afc2d3e40
[  256.990064] Code: Bad RIP value.
[  256.993433] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  256.998797] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  257.006062] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  257.013333] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  257.020598] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  257.027868] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  257.035165] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  257.035171] warn_alloc_show_mem: 1 callbacks suppressed
[  257.035178] Mem-Info:
[  257.042541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.047907] active_anon:57379 inactive_anon:189 isolated_anon:0
[  257.047907]  active_file:13 inactive_file:16 isolated_file:0
[  257.047907]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.047907]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  257.047907]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  257.047907]  free:13771 free_pcp:208 free_cma:0
[  257.050281] Call Trace:
[  257.059669] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.092511]  <IRQ>
[  257.095078] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  257.122576]  dump_stack+0x244/0x39d
[  257.124693] lowmem_reserve[]: 0 2818 6321 6321
[  257.150800]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.154405] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.158987]  warn_alloc.cold.116+0xb7/0x1bd
[  257.164147] lowmem_reserve[]: 0 0 3503 3503
[  257.191748]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.196062] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  257.200382]  ? lock_downgrade+0x900/0x900
[  257.205198] lowmem_reserve[]: 0 0 0 0
[  257.234085]  ? trace_hardirqs_off+0xb8/0x310
[  257.238207] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  257.242010]  ? trace_hardirqs_off+0xb8/0x310
[  257.246394] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  257.259912]  __alloc_pages_slowpath+0x2651/0x2de0
[  257.264290] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  257.279739]  ? warn_alloc+0x120/0x120
[  257.284544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.299098]  ? print_usage_bug+0xc0/0xc0
[  257.302877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.311698]  ? warn_alloc+0x120/0x120
[  257.315735] 273 total pagecache pages
[  257.324312]  ? warn_alloc+0x120/0x120
[  257.328104] 0 pages in swap cache
[  257.331888]  ? print_usage_bug+0xc0/0xc0
[  257.335668] Swap cache stats: add 0, delete 0, find 0/0
[  257.339109]  ? kvm_clock_read+0x18/0x30
[  257.343143] Free swap  = 0kB
[  257.348498]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  257.352444] Total swap = 0kB
[  257.355453]  ? print_usage_bug+0xc0/0xc0
[  257.360443] 1965979 pages RAM
[  257.363453]  ? __lock_acquire+0x62f/0x4c20
[  257.367493] 0 pages HighMem/MovableOnly
[  257.370591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.374797] 342853 pages reserved
[  257.378767]  ? should_fail+0x22d/0xd01
[  257.384284] 0 pages cma reserved
[  257.387729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.391647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.394944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.394959]  ? __lock_acquire+0x62f/0x4c20
[  257.394977]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.400316] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.406742]  ? __lock_acquire+0x62f/0x4c20
[  257.411817] cron cpuset=/ mems_allowed=0
[  257.416042]  ? should_fail+0x22d/0xd01
[  257.442942]  ? rcu_irq_exit+0x1a2/0x390
[  257.446926]  ? mark_held_locks+0x130/0x130
[  257.451165]  ? mark_held_locks+0x130/0x130
[  257.455404]  ? mark_held_locks+0xc7/0x130
[  257.459556]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  257.464573]  ? zap_class+0x640/0x640
[  257.468287]  ? print_usage_bug+0xc0/0xc0
[  257.472369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.477911]  ? check_preemption_disabled+0x48/0x280
[  257.482949]  ? __lock_is_held+0xb5/0x140
[  257.487029]  __alloc_pages_nodemask+0xad8/0xea0
[  257.491700]  ? zap_class+0x640/0x640
[  257.495416]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  257.500443]  ? find_held_lock+0x36/0x1c0
[  257.504515]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.509187]  ? lock_downgrade+0x900/0x900
[  257.513341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.518882]  cache_grow_begin+0xa5/0x8c0
[  257.522946]  ? do_raw_spin_unlock+0xa7/0x330
[  257.527359]  fallback_alloc+0x204/0x2e0
[  257.531338]  ____cache_alloc_node+0x1c7/0x1e0
[  257.535842]  kmem_cache_alloc_node+0xe3/0x730
[  257.540337]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.544580]  __alloc_skb+0x119/0x770
[  257.548292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.553573]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.557986]  ? lock_downgrade+0x900/0x900
[  257.562141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.567680]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.573133]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.578585]  ? addrconf_rs_timer+0x690/0x690
[  257.583023]  ndisc_alloc_skb+0x144/0x340
[  257.587087]  ndisc_send_rs+0x331/0x6e0
[  257.590980]  addrconf_rs_timer+0x314/0x690
[  257.595224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.599480]  call_timer_fn+0x272/0x920
[  257.603368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.607605]  ? process_timeout+0x40/0x40
[  257.611672]  ? __run_timers+0x7da/0xc70
[  257.615647]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.620141]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.624635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.628872]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.633459]  ? trace_hardirqs_on+0xbd/0x310
[  257.637784]  ? kasan_check_read+0x11/0x20
[  257.641928]  ? __run_timers+0x7da/0xc70
[  257.645907]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.651016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.655261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.659496]  __run_timers+0x7e5/0xc70
[  257.663305]  ? timer_fixup_init+0x70/0x70
[  257.667454]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.672471]  ? zap_class+0x640/0x640
[  257.676186]  ? enqueue_hrtimer+0x1a5/0x560
[  257.680426]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.685621]  ? find_held_lock+0x36/0x1c0
[  257.689687]  ? zap_class+0x640/0x640
[  257.693404]  ? pvclock_read_flags+0x160/0x160
[  257.697904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.703446]  ? check_preemption_disabled+0x48/0x280
[  257.708473]  ? __lock_is_held+0xb5/0x140
[  257.712539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.718080]  ? check_preemption_disabled+0x48/0x280
[  257.723101]  run_timer_softirq+0x52/0xb0
[  257.727160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.732178]  __do_softirq+0x308/0xb7e
[  257.735980]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.740473]  ? lock_downgrade+0x900/0x900
[  257.744628]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.749751]  ? pvclock_read_flags+0x160/0x160
[  257.754276]  ? lapic_next_event+0x5a/0x90
[  257.758429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.763972]  ? kvm_clock_read+0x18/0x30
[  257.767942]  ? kvm_sched_clock_read+0x9/0x20
[  257.772369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.777921]  ? check_preemption_disabled+0x48/0x280
[  257.782947]  irq_exit+0x17f/0x1c0
[  257.786401]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.791251]  ? smp_reschedule_interrupt+0x109/0x650
[  257.796269]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.802155]  ? interrupt_entry+0xb5/0xc0
[  257.806240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.811271]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.816290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.821136]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.826149]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.831162]  ? task_prio+0x50/0x50
[  257.834705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.840251]  ? check_preemption_disabled+0x48/0x280
[  257.845277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.850128]  apic_timer_interrupt+0xf/0x20
[  257.854355]  </IRQ>
[  257.856591] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.861520] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  257.880416] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.888119] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.895388] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  257.902652] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  257.909917] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.917193] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  257.924501]  skb_clone+0x1bb/0x500
[  257.928044]  ? finish_task_switch+0x1b4/0x910
[  257.932540]  ? skb_split+0x11e0/0x11e0
[  257.936427]  ? preempt_notifier_register+0x200/0x200
[  257.941525]  ? __switch_to_asm+0x34/0x70
[  257.945583]  ? __switch_to_asm+0x34/0x70
[  257.949644]  ? __switch_to_asm+0x40/0x70
[  257.953701]  ? __switch_to_asm+0x34/0x70
[  257.957763]  ? __switch_to_asm+0x40/0x70
[  257.961822]  ? __switch_to_asm+0x34/0x70
[  257.965879]  ? __switch_to_asm+0x40/0x70
[  257.969935]  ? __switch_to_asm+0x34/0x70
[  257.973995]  ? __switch_to_asm+0x34/0x70
[  257.978056]  ? __switch_to_asm+0x40/0x70
[  257.982116]  ? __switch_to_asm+0x34/0x70
[  257.986181]  bpf_clone_redirect+0xb9/0x490
[  257.990418]  ? __schedule+0x8d7/0x21d0
[  257.994308]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  257.999329]  ? __sched_text_start+0x8/0x8
[  258.003477]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.008247]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.012829]  ? retint_kernel+0x2d/0x2d
[  258.016719]  ? find_held_lock+0x36/0x1c0
[  258.020790]  ? lock_acquire+0x1ed/0x520
[  258.024768]  ? bpf_test_run+0x3ee/0x7a0
[  258.028744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.034288]  ? check_preemption_disabled+0x48/0x280
[  258.039312]  ? kasan_check_read+0x11/0x20
[  258.043457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.048734]  ? rcu_softirq_qs+0x20/0x20
[  258.052711]  ? preempt_schedule+0x4d/0x60
[  258.056863]  ? ___preempt_schedule+0x16/0x18
[  258.061277]  ? bpf_test_run+0x271/0x7a0
[  258.065268]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.069683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.075224]  ? bpf_test_init.isra.10+0x70/0x100
[  258.079912]  ? bpf_prog_test_run_skb+0x762/0xd60
[  258.084674]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  258.089520]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.095059]  ? fput+0x130/0x1a0
[  258.098342]  ? __bpf_prog_get+0x9b/0x290
[  258.102406]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  258.107250]  ? bpf_prog_test_run+0x130/0x1a0
[  258.111661]  ? __x64_sys_bpf+0x3d8/0x520
[  258.115724]  ? bpf_prog_get+0x20/0x20
[  258.119540]  ? do_syscall_64+0x1e1/0x820
[  258.123604]  ? do_syscall_64+0x1b9/0x820
[  258.127661]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.133027]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.137964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.142810]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.147828]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.152850]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.157870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.162720]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.168102] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  258.168171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.174589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.174594] Call Trace:
[  258.174601]  <IRQ>
[  258.174619]  dump_stack+0x244/0x39d
[  258.174638]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.181162] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.190466]  warn_alloc.cold.116+0xb7/0x1bd
[  258.193017] syz-executor5 cpuset=syz5 mems_allowed=0
[  258.195180]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.228645]  ? lock_downgrade+0x900/0x900
[  258.232805]  ? trace_hardirqs_off+0xb8/0x310
[  258.237222]  ? trace_hardirqs_off+0xb8/0x310
[  258.241653]  __alloc_pages_slowpath+0x2651/0x2de0
[  258.246522]  ? warn_alloc+0x120/0x120
[  258.250327]  ? print_usage_bug+0xc0/0xc0
[  258.254390]  ? warn_alloc+0x120/0x120
[  258.258194]  ? warn_alloc+0x120/0x120
[  258.261995]  ? print_usage_bug+0xc0/0xc0
[  258.266060]  ? print_usage_bug+0xc0/0xc0
[  258.270121]  ? __lock_acquire+0x62f/0x4c20
[  258.274364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.279902]  ? should_fail+0x22d/0xd01
[  258.283795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.288899]  ? __lock_acquire+0x62f/0x4c20
[  258.293141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.298251]  ? __lock_acquire+0x62f/0x4c20
[  258.302490]  ? should_fail+0x22d/0xd01
[  258.306380]  ? find_held_lock+0x36/0x1c0
[  258.310449]  ? mark_held_locks+0x130/0x130
[  258.314688]  ? mark_held_locks+0x130/0x130
[  258.318926]  ? zap_class+0x640/0x640
[  258.322671]  ? zap_class+0x640/0x640
[  258.326403]  ? print_usage_bug+0xc0/0xc0
[  258.330463]  ? do_raw_spin_unlock+0xa7/0x330
[  258.334872]  ? zap_class+0x640/0x640
[  258.338589]  ? print_usage_bug+0xc0/0xc0
[  258.342648]  ? wq_watchdog_touch+0x9c/0xfe
[  258.346888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.352438]  ? check_preemption_disabled+0x48/0x280
[  258.357464]  ? __lock_is_held+0xb5/0x140
[  258.361530]  __alloc_pages_nodemask+0xad8/0xea0
[  258.366653]  ? zap_class+0x640/0x640
[  258.370373]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  258.375404]  ? find_held_lock+0x36/0x1c0
[  258.379478]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.384162]  ? lock_downgrade+0x900/0x900
[  258.388333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.393872]  cache_grow_begin+0xa5/0x8c0
[  258.397929]  ? do_raw_spin_unlock+0xa7/0x330
[  258.402340]  fallback_alloc+0x204/0x2e0
[  258.406323]  ____cache_alloc_node+0x1c7/0x1e0
[  258.410823]  kmem_cache_alloc_node+0xe3/0x730
[  258.415336]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.419580]  __alloc_skb+0x119/0x770
[  258.423322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.428604]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.433011]  ? lock_downgrade+0x900/0x900
[  258.437161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.442742]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.448195]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.453649]  ? addrconf_rs_timer+0x690/0x690
[  258.458069]  ndisc_alloc_skb+0x144/0x340
[  258.462131]  ndisc_send_rs+0x331/0x6e0
[  258.466020]  addrconf_rs_timer+0x314/0x690
[  258.470297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.474546]  call_timer_fn+0x272/0x920
[  258.478432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.482664]  ? process_timeout+0x40/0x40
[  258.486733]  ? mark_held_locks+0xc7/0x130
[  258.490883]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.495423]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.499907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.504140]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.508725]  ? trace_hardirqs_on+0xbd/0x310
[  258.513044]  ? kasan_check_read+0x11/0x20
[  258.517189]  ? __run_timers+0x7da/0xc70
[  258.521175]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.526284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.530528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.534756]  __run_timers+0x7e5/0xc70
[  258.538569]  ? timer_fixup_init+0x70/0x70
[  258.542718]  ? kasan_check_read+0x11/0x20
[  258.546863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.552134]  ? rcu_softirq_qs+0x20/0x20
[  258.556114]  ? mark_held_locks+0xc7/0x130
[  258.560307]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.565068]  ? retint_kernel+0x2d/0x2d
[  258.568953]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.573883]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.578642]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.584120]  ? zap_class+0x640/0x640
[  258.587837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.593389]  ? check_preemption_disabled+0x48/0x280
[  258.598414]  ? __lock_is_held+0xb5/0x140
[  258.602481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.608047]  ? check_preemption_disabled+0x48/0x280
[  258.613081]  run_timer_softirq+0x52/0xb0
[  258.617143]  ? rcu_read_lock_sched_held+0x14f/0x180
[  258.622157]  __do_softirq+0x308/0xb7e
[  258.625958]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  258.630564]  ? lock_downgrade+0x900/0x900
[  258.634718]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  258.639827]  ? pvclock_read_flags+0x160/0x160
[  258.644324]  ? lapic_next_event+0x5a/0x90
[  258.648477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.654032]  ? kvm_clock_read+0x18/0x30
[  258.658033]  ? kvm_sched_clock_read+0x9/0x20
[  258.662446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.667999]  ? check_preemption_disabled+0x48/0x280
[  258.673038]  irq_exit+0x17f/0x1c0
[  258.676508]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.681353]  ? smp_reschedule_interrupt+0x109/0x650
[  258.686367]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.692261]  ? interrupt_entry+0xb5/0xc0
[  258.696325]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.701338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.706354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.711197]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.716214]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.721250]  ? task_prio+0x50/0x50
[  258.724796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.730333]  ? check_preemption_disabled+0x48/0x280
[  258.735358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.740223]  apic_timer_interrupt+0xf/0x20
[  258.744461]  </IRQ>
[  258.746698] RIP: 0010:dump_stack+0x358/0x39d
[  258.751107] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  258.770002] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  258.777707] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  258.784973] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  258.792245] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  258.799528] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  258.806793] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  258.814088]  ? dump_stack+0x34f/0x39d
[  258.817902]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.823105]  ? mark_held_locks+0x130/0x130
[  258.827379]  ? mark_held_locks+0x130/0x130
[  258.831617]  dump_header+0x27b/0xf72
[  258.835344]  ? pagefault_out_of_memory+0x197/0x197
[  258.840284]  ? __lock_acquire+0x62f/0x4c20
[  258.844522]  ? percpu_ref_get_many+0x240/0x240
[  258.849130]  ? print_usage_bug+0xc0/0xc0
[  258.853197]  ? zap_class+0x640/0x640
[  258.856910]  ? print_usage_bug+0xc0/0xc0
[  258.860983]  ? print_usage_bug+0xc0/0xc0
[  258.865055]  ? zap_class+0x640/0x640
[  258.868776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.874322]  ? find_held_lock+0x36/0x1c0
[  258.878394]  ? mark_held_locks+0xc7/0x130
[  258.882548]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.887647]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.892748]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.897347]  ? trace_hardirqs_on+0xbd/0x310
[  258.901669]  ? kasan_check_read+0x11/0x20
[  258.905843]  ? ___ratelimit+0x3b4/0x672
[  258.909820]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.914927]  ? trace_hardirqs_on+0x310/0x310
[  258.919334]  ? lock_downgrade+0x900/0x900
[  258.923486]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.928640]  ? ___ratelimit+0x3b9/0x672
[  258.932613]  ? idr_get_free+0xf70/0xf70
[  258.936586]  ? find_held_lock+0x36/0x1c0
[  258.940699]  oom_kill_process.cold.27+0x10/0x903
[  258.945455]  ? zap_class+0x640/0x640
[  258.949170]  ? check_preemption_disabled+0x48/0x280
[  258.954188]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.959119]  ? kasan_check_read+0x11/0x20
[  258.963274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.968553]  ? oom_evaluate_task+0x540/0x540
[  258.972970]  ? find_held_lock+0x36/0x1c0
[  258.977057]  ? out_of_memory+0x974/0x1430
[  258.981229]  ? lock_downgrade+0x900/0x900
[  258.985393]  ? check_preemption_disabled+0x48/0x280
[  258.990414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.995344]  ? kasan_check_read+0x11/0x20
[  258.999491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.004779]  ? rcu_softirq_qs+0x20/0x20
[  259.008762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.014299]  ? oom_evaluate_task+0x302/0x540
[  259.018711]  out_of_memory+0xa84/0x1430
[  259.022693]  ? oom_killer_disable+0x3a0/0x3a0
[  259.027187]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  259.032118]  ? __ww_mutex_check_waiters+0x160/0x160
[  259.037146]  __alloc_pages_slowpath+0x232c/0x2de0
[  259.042015]  ? warn_alloc+0x120/0x120
[  259.045833]  ? mark_held_locks+0x130/0x130
[  259.050071]  ? find_get_entry+0xaae/0x1120
[  259.054331]  ? filemap_map_pages+0x1a20/0x1a20
[  259.058922]  ? zap_class+0x640/0x640
[  259.062645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.068183]  ? check_preemption_disabled+0x48/0x280
[  259.073197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.078736]  ? should_fail+0x22d/0xd01
[  259.082628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.087734]  ? zap_class+0x640/0x640
[  259.091477]  ? __lock_is_held+0xb5/0x140
[  259.095546]  ? mark_held_locks+0x130/0x130
[  259.099804]  ? lock_release+0xa00/0xa00
[  259.103777]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.109259]  ? xa_load+0x2ba/0x460
[  259.112806]  ? lock_downgrade+0x900/0x900
[  259.116955]  ? __might_sleep+0x95/0x190
[  259.120950]  __alloc_pages_nodemask+0xad8/0xea0
[  259.125632]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  259.130650]  ? __page_cache_alloc+0x191/0x5c0
[  259.135144]  ? xa_load+0x2e1/0x460
[  259.138688]  ? xa_clear_mark+0x40/0x40
[  259.142589]  ? zap_class+0x640/0x640
[  259.146308]  ? zap_class+0x640/0x640
[  259.150024]  ? zap_class+0x640/0x640
[  259.153748]  ? __do_page_cache_readahead+0x663/0x810
[  259.158883]  ? find_held_lock+0x36/0x1c0
[  259.162948]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.168493]  alloc_pages_current+0x173/0x350
[  259.172910]  __page_cache_alloc+0x38c/0x5c0
[  259.177238]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.182170]  ? kasan_check_read+0x11/0x20
[  259.186319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.191598]  ? generic_perform_write+0x6a0/0x6a0
[  259.196356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.201895]  ? check_preemption_disabled+0x48/0x280
[  259.206917]  filemap_fault+0x1595/0x25f0
[  259.210989]  ? __lock_page_or_retry+0xa00/0xa00
[  259.215662]  ? mark_held_locks+0x130/0x130
[  259.219918]  ? filemap_map_pages+0xd6b/0x1a20
[  259.224426]  ? lock_downgrade+0x900/0x900
[  259.228590]  ? check_preemption_disabled+0x48/0x280
[  259.233608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.238534]  ? kasan_check_read+0x11/0x20
[  259.242692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.247996]  ? rcu_softirq_qs+0x20/0x20
[  259.252000]  ? filemap_map_pages+0xd92/0x1a20
[  259.256510]  ? find_get_entries_tag+0x1400/0x1400
[  259.261375]  ? lock_acquire+0x1ed/0x520
[  259.265380]  ? ext4_filemap_fault+0x7a/0xad
[  259.269705]  ? lock_release+0xa00/0xa00
[  259.273736]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.279194]  ? mark_held_locks+0x130/0x130
[  259.283430]  ? print_usage_bug+0xc0/0xc0
[  259.287491]  ? print_usage_bug+0xc0/0xc0
[  259.291562]  ? down_read+0x8d/0x120
[  259.295188]  ? ext4_filemap_fault+0x7a/0xad
[  259.299509]  ? __down_interruptible+0x700/0x700
[  259.304184]  ext4_filemap_fault+0x82/0xad
[  259.308338]  __do_fault+0x100/0x6b0
[  259.311967]  ? pmd_devmap_trans_unstable+0x220/0x220
[  259.317072]  ? mark_held_locks+0x130/0x130
[  259.321310]  ? mark_held_locks+0x130/0x130
[  259.325549]  ? hrtimer_forward+0x2a0/0x2a0
[  259.329783]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  259.334639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.340175]  __handle_mm_fault+0x3ea6/0x5be0
[  259.344591]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  259.349435]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.354536]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.359643]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.364226]  ? trace_hardirqs_on+0xbd/0x310
[  259.368563]  ? kasan_check_read+0x11/0x20
[  259.372711]  ? __free_object+0x173/0x340
[  259.376801]  ? zap_class+0x640/0x640
[  259.380521]  ? zap_class+0x640/0x640
[  259.384245]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.389359]  ? find_held_lock+0x36/0x1c0
[  259.393426]  ? handle_mm_fault+0x42a/0xc70
[  259.397666]  ? lock_downgrade+0x900/0x900
[  259.401812]  ? check_preemption_disabled+0x48/0x280
[  259.406843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.411796]  ? kasan_check_read+0x11/0x20
[  259.415972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.421252]  ? rcu_softirq_qs+0x20/0x20
[  259.425230]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.430349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.435902]  ? check_preemption_disabled+0x48/0x280
[  259.440942]  handle_mm_fault+0x54f/0xc70
[  259.445020]  ? __handle_mm_fault+0x5be0/0x5be0
[  259.449608]  ? find_vma+0x34/0x190
[  259.453152]  __do_page_fault+0x5e8/0xe60
[  259.457212]  ? trace_hardirqs_off+0xb8/0x310
[  259.461636]  do_page_fault+0xf2/0x7e0
[  259.465439]  ? vmalloc_sync_all+0x30/0x30
[  259.469595]  ? error_entry+0x70/0xd0
[  259.473310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.478324]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.483263]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.488195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.493065]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.498078]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.503527]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.508543]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.513558]  ? page_fault+0x8/0x30
[  259.517101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.521942]  ? page_fault+0x8/0x30
[  259.525485]  page_fault+0x1e/0x30
[  259.528939] RIP: 0033:0x7f4afc2d3e40
[  259.532660] Code: Bad RIP value.
[  259.536023] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  259.541382] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  259.548649] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  259.555914] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  259.563196] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  259.570465] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  259.577752] warn_alloc_show_mem: 1 callbacks suppressed
[  259.577769] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  259.577771] Mem-Info:
[  259.577802] active_anon:57379 inactive_anon:189 isolated_anon:0
[  259.577802]  active_file:13 inactive_file:16 isolated_file:0
[  259.577802]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.577802]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  259.577802]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  259.577802]  free:13771 free_pcp:208 free_cma:0
[  259.583144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.590505] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.592912] Call Trace:
[  259.625787] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  259.635126]  <IRQ>
[  259.662605] lowmem_reserve[]: 0 2818 6321 6321
[  259.665185]  dump_stack+0x244/0x39d
[  259.691271] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  259.693414]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.697965] lowmem_reserve[]: 0 0 3503 3503
[  259.701605]  warn_alloc.cold.116+0xb7/0x1bd
[  259.729174] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  259.734358]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.738656] lowmem_reserve[]: 0 0 0 0
[  259.742973]  ? lock_downgrade+0x900/0x900
[  259.771831] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  259.776672]  ? trace_hardirqs_off+0xb8/0x310
[  259.780447] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  259.784588]  ? trace_hardirqs_off+0xb8/0x310
[  259.798091] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  259.802495]  __alloc_pages_slowpath+0x2651/0x2de0
[  259.817902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.822319]  ? warn_alloc+0x120/0x120
[  259.836846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.841675]  ? print_usage_bug+0xc0/0xc0
[  259.850482] 273 total pagecache pages
[  259.854276]  ? warn_alloc+0x120/0x120
[  259.862833] 0 pages in swap cache
[  259.866877]  ? warn_alloc+0x120/0x120
[  259.870653] Swap cache stats: add 0, delete 0, find 0/0
[  259.874441]  ? print_usage_bug+0xc0/0xc0
[  259.877872] Free swap  = 0kB
[  259.881665]  ? print_usage_bug+0xc0/0xc0
[  259.887001] Total swap = 0kB
[  259.891053]  ? __lock_acquire+0x62f/0x4c20
[  259.894046] 1965979 pages RAM
[  259.898102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.901090] 0 pages HighMem/MovableOnly
[  259.905316]  ? should_fail+0x22d/0xd01
[  259.908392] 342853 pages reserved
[  259.908400] 0 pages cma reserved
[  259.913930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.917937] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.921753]  ? __lock_acquire+0x62f/0x4c20
[  259.925286] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.928540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.933619] cron cpuset=/ mems_allowed=0
[  259.940104]  ? __lock_acquire+0x62f/0x4c20
[  259.967365]  ? should_fail+0x22d/0xd01
[  259.971257]  ? find_held_lock+0x36/0x1c0
[  259.975332]  ? mark_held_locks+0x130/0x130
[  259.979570]  ? mark_held_locks+0x130/0x130
[  259.983807]  ? zap_class+0x640/0x640
[  259.987524]  ? zap_class+0x640/0x640
[  259.991246]  ? print_usage_bug+0xc0/0xc0
[  259.995306]  ? do_raw_spin_unlock+0xa7/0x330
[  259.999716]  ? zap_class+0x640/0x640
[  260.003435]  ? print_usage_bug+0xc0/0xc0
[  260.007497]  ? wq_watchdog_touch+0x9c/0xfe
[  260.011741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.017285]  ? check_preemption_disabled+0x48/0x280
[  260.022315]  ? __lock_is_held+0xb5/0x140
[  260.026385]  __alloc_pages_nodemask+0xad8/0xea0
[  260.031051]  ? zap_class+0x640/0x640
[  260.034774]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  260.039803]  ? find_held_lock+0x36/0x1c0
[  260.043872]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.048544]  ? lock_downgrade+0x900/0x900
[  260.052715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.058272]  cache_grow_begin+0xa5/0x8c0
[  260.062332]  ? do_raw_spin_unlock+0xa7/0x330
[  260.066750]  fallback_alloc+0x204/0x2e0
[  260.070739]  ____cache_alloc_node+0x1c7/0x1e0
[  260.075254]  kmem_cache_alloc_node+0xe3/0x730
[  260.079753]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.084004]  __alloc_skb+0x119/0x770
[  260.087717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.092996]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.097402]  ? lock_downgrade+0x900/0x900
[  260.101557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.107094]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.112548]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.118001]  ? addrconf_rs_timer+0x690/0x690
[  260.122426]  ndisc_alloc_skb+0x144/0x340
[  260.126492]  ndisc_send_rs+0x331/0x6e0
[  260.130388]  addrconf_rs_timer+0x314/0x690
[  260.134627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.138872]  call_timer_fn+0x272/0x920
[  260.142792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.147041]  ? process_timeout+0x40/0x40
[  260.151111]  ? __run_timers+0x7da/0xc70
[  260.155085]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.159576]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.164067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.168305]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.172887]  ? trace_hardirqs_on+0xbd/0x310
[  260.177227]  ? kasan_check_read+0x11/0x20
[  260.181382]  ? __run_timers+0x7da/0xc70
[  260.185355]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.190462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.194702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.198933]  __run_timers+0x7e5/0xc70
[  260.202745]  ? timer_fixup_init+0x70/0x70
[  260.206903]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.211922]  ? zap_class+0x640/0x640
[  260.215641]  ? enqueue_hrtimer+0x1a5/0x560
[  260.219878]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.225075]  ? find_held_lock+0x36/0x1c0
[  260.229156]  ? zap_class+0x640/0x640
[  260.232893]  ? pvclock_read_flags+0x160/0x160
[  260.237409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.242950]  ? check_preemption_disabled+0x48/0x280
[  260.247977]  ? __lock_is_held+0xb5/0x140
[  260.252047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.257585]  ? check_preemption_disabled+0x48/0x280
[  260.262610]  run_timer_softirq+0x52/0xb0
[  260.266674]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.271690]  __do_softirq+0x308/0xb7e
[  260.275491]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.279985]  ? lock_downgrade+0x900/0x900
[  260.284142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.289261]  ? pvclock_read_flags+0x160/0x160
[  260.293768]  ? lapic_next_event+0x5a/0x90
[  260.297919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.303460]  ? kvm_clock_read+0x18/0x30
[  260.307433]  ? kvm_sched_clock_read+0x9/0x20
[  260.311846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.317398]  ? check_preemption_disabled+0x48/0x280
[  260.322422]  irq_exit+0x17f/0x1c0
[  260.325878]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.330717]  ? smp_reschedule_interrupt+0x109/0x650
[  260.335737]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.341626]  ? interrupt_entry+0xb5/0xc0
[  260.345690]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.350705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.355721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.360566]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.365698]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.370732]  ? task_prio+0x50/0x50
[  260.374313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.379855]  ? check_preemption_disabled+0x48/0x280
[  260.384877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.389732]  apic_timer_interrupt+0xf/0x20
[  260.393965]  </IRQ>
[  260.396203] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.401137] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  260.420034] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.427739] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.435008] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  260.442273] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  260.449540] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.456804] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  260.464114]  skb_clone+0x1bb/0x500
[  260.467673]  ? finish_task_switch+0x1b4/0x910
[  260.472168]  ? skb_split+0x11e0/0x11e0
[  260.476059]  ? preempt_notifier_register+0x200/0x200
[  260.481165]  ? __switch_to_asm+0x34/0x70
[  260.485222]  ? __switch_to_asm+0x34/0x70
[  260.489296]  ? __switch_to_asm+0x40/0x70
[  260.493355]  ? __switch_to_asm+0x34/0x70
[  260.497904]  ? __switch_to_asm+0x40/0x70
[  260.501960]  ? __switch_to_asm+0x34/0x70
[  260.506019]  ? __switch_to_asm+0x40/0x70
[  260.510083]  ? __switch_to_asm+0x34/0x70
[  260.514143]  ? __switch_to_asm+0x34/0x70
[  260.518207]  ? __switch_to_asm+0x40/0x70
[  260.522276]  ? __switch_to_asm+0x34/0x70
[  260.526347]  bpf_clone_redirect+0xb9/0x490
[  260.530584]  ? __schedule+0x8d7/0x21d0
[  260.534479]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  260.539500]  ? __sched_text_start+0x8/0x8
[  260.543650]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.548407]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.552989]  ? retint_kernel+0x2d/0x2d
[  260.556883]  ? find_held_lock+0x36/0x1c0
[  260.560954]  ? lock_acquire+0x1ed/0x520
[  260.564931]  ? bpf_test_run+0x3ee/0x7a0
[  260.568905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.574443]  ? check_preemption_disabled+0x48/0x280
[  260.579465]  ? kasan_check_read+0x11/0x20
[  260.583611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.588885]  ? rcu_softirq_qs+0x20/0x20
[  260.592861]  ? preempt_schedule+0x4d/0x60
[  260.597013]  ? ___preempt_schedule+0x16/0x18
[  260.601428]  ? bpf_test_run+0x271/0x7a0
[  260.605418]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.609832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.615369]  ? bpf_test_init.isra.10+0x70/0x100
[  260.620043]  ? bpf_prog_test_run_skb+0x762/0xd60
[  260.624812]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.629664]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.635202]  ? fput+0x130/0x1a0
[  260.638488]  ? __bpf_prog_get+0x9b/0x290
[  260.642569]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.647409]  ? bpf_prog_test_run+0x130/0x1a0
[  260.651821]  ? __x64_sys_bpf+0x3d8/0x520
[  260.655881]  ? bpf_prog_get+0x20/0x20
[  260.659696]  ? do_syscall_64+0x1e1/0x820
[  260.663769]  ? do_syscall_64+0x1b9/0x820
[  260.667833]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.673203]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.678140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.682986]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.688005]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.693031]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.698054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.702902]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.708293] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  260.708363] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.714792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.714797] Call Trace:
[  260.714804]  <IRQ>
[  260.714822]  dump_stack+0x244/0x39d
[  260.714842]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.721380] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.730668]  warn_alloc.cold.116+0xb7/0x1bd
[  260.733221] syz-executor5 cpuset=syz5 mems_allowed=0
[  260.735374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.768840]  ? lock_downgrade+0x900/0x900
[  260.772995]  ? trace_hardirqs_off+0xb8/0x310
[  260.777407]  ? trace_hardirqs_off+0xb8/0x310
[  260.781823]  __alloc_pages_slowpath+0x2651/0x2de0
[  260.786692]  ? warn_alloc+0x120/0x120
[  260.790496]  ? print_usage_bug+0xc0/0xc0
[  260.794557]  ? warn_alloc+0x120/0x120
[  260.798365]  ? warn_alloc+0x120/0x120
[  260.802167]  ? print_usage_bug+0xc0/0xc0
[  260.806231]  ? kvm_clock_read+0x18/0x30
[  260.810218]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  260.815251]  ? print_usage_bug+0xc0/0xc0
[  260.819321]  ? __lock_acquire+0x62f/0x4c20
[  260.823560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.829096]  ? should_fail+0x22d/0xd01
[  260.832983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.838274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.843378]  ? __lock_acquire+0x62f/0x4c20
[  260.847617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.852722]  ? __lock_acquire+0x62f/0x4c20
[  260.856959]  ? should_fail+0x22d/0xd01
[  260.860846]  ? rcu_irq_exit+0x1a2/0x390
[  260.864829]  ? mark_held_locks+0x130/0x130
[  260.869069]  ? mark_held_locks+0x130/0x130
[  260.873314]  ? mark_held_locks+0xc7/0x130
[  260.877463]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  260.882482]  ? zap_class+0x640/0x640
[  260.886194]  ? print_usage_bug+0xc0/0xc0
[  260.890280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.895821]  ? check_preemption_disabled+0x48/0x280
[  260.900844]  ? __lock_is_held+0xb5/0x140
[  260.904910]  __alloc_pages_nodemask+0xad8/0xea0
[  260.909578]  ? zap_class+0x640/0x640
[  260.913313]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  260.918338]  ? find_held_lock+0x36/0x1c0
[  260.922411]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.927081]  ? lock_downgrade+0x900/0x900
[  260.931245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.936797]  cache_grow_begin+0xa5/0x8c0
[  260.940857]  ? do_raw_spin_unlock+0xa7/0x330
[  260.945283]  fallback_alloc+0x204/0x2e0
[  260.949278]  ____cache_alloc_node+0x1c7/0x1e0
[  260.953803]  kmem_cache_alloc_node+0xe3/0x730
[  260.958302]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.962547]  __alloc_skb+0x119/0x770
[  260.966267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.971546]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.975955]  ? lock_downgrade+0x900/0x900
[  260.980110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.985649]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.991101]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.996555]  ? addrconf_rs_timer+0x690/0x690
[  261.000978]  ndisc_alloc_skb+0x144/0x340
[  261.005050]  ndisc_send_rs+0x331/0x6e0
[  261.008948]  addrconf_rs_timer+0x314/0x690
[  261.013190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.017436]  call_timer_fn+0x272/0x920
[  261.021328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.025567]  ? process_timeout+0x40/0x40
[  261.029641]  ? mark_held_locks+0xc7/0x130
[  261.033793]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.038293]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.042788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.047022]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.051605]  ? trace_hardirqs_on+0xbd/0x310
[  261.055928]  ? kasan_check_read+0x11/0x20
[  261.060075]  ? __run_timers+0x7da/0xc70
[  261.064051]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.069162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.073407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.077641]  __run_timers+0x7e5/0xc70
[  261.081454]  ? timer_fixup_init+0x70/0x70
[  261.085605]  ? kasan_check_read+0x11/0x20
[  261.089750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.095027]  ? rcu_softirq_qs+0x20/0x20
[  261.099008]  ? mark_held_locks+0xc7/0x130
[  261.103162]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.107920]  ? retint_kernel+0x2d/0x2d
[  261.111809]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.116740]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.121500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.126953]  ? zap_class+0x640/0x640
[  261.130675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.136218]  ? check_preemption_disabled+0x48/0x280
[  261.141264]  ? __lock_is_held+0xb5/0x140
[  261.145328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.150872]  ? check_preemption_disabled+0x48/0x280
[  261.155895]  run_timer_softirq+0x52/0xb0
[  261.159962]  ? rcu_read_lock_sched_held+0x14f/0x180
[  261.164979]  __do_softirq+0x308/0xb7e
[  261.168785]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  261.173292]  ? lock_downgrade+0x900/0x900
[  261.177443]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  261.182558]  ? pvclock_read_flags+0x160/0x160
[  261.187065]  ? lapic_next_event+0x5a/0x90
[  261.191219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.196771]  ? kvm_clock_read+0x18/0x30
[  261.200750]  ? kvm_sched_clock_read+0x9/0x20
[  261.205160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.210700]  ? check_preemption_disabled+0x48/0x280
[  261.215724]  irq_exit+0x17f/0x1c0
[  261.219180]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.224022]  ? smp_reschedule_interrupt+0x109/0x650
[  261.229038]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.234925]  ? interrupt_entry+0xb5/0xc0
[  261.238990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.244004]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.249023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.253864]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.258899]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.263913]  ? task_prio+0x50/0x50
[  261.267461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.273002]  ? check_preemption_disabled+0x48/0x280
[  261.278021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.282874]  apic_timer_interrupt+0xf/0x20
[  261.287101]  </IRQ>
[  261.289344] RIP: 0010:dump_stack+0x358/0x39d
[  261.293756] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  261.312656] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  261.320360] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  261.327624] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  261.334893] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  261.342158] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  261.349426] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  261.356714]  ? dump_stack+0x34f/0x39d
[  261.360527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.366211]  ? mark_held_locks+0x130/0x130
[  261.370453]  ? mark_held_locks+0x130/0x130
[  261.374696]  dump_header+0x27b/0xf72
[  261.378423]  ? pagefault_out_of_memory+0x197/0x197
[  261.383359]  ? __lock_acquire+0x62f/0x4c20
[  261.387592]  ? percpu_ref_get_many+0x240/0x240
[  261.392181]  ? print_usage_bug+0xc0/0xc0
[  261.396260]  ? zap_class+0x640/0x640
[  261.399977]  ? print_usage_bug+0xc0/0xc0
[  261.404037]  ? print_usage_bug+0xc0/0xc0
[  261.408097]  ? zap_class+0x640/0x640
[  261.411816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.417359]  ? find_held_lock+0x36/0x1c0
[  261.421433]  ? mark_held_locks+0xc7/0x130
[  261.425584]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.430688]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.435792]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.440377]  ? trace_hardirqs_on+0xbd/0x310
[  261.444696]  ? kasan_check_read+0x11/0x20
[  261.448846]  ? ___ratelimit+0x3b4/0x672
[  261.452869]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.457977]  ? trace_hardirqs_on+0x310/0x310
[  261.462386]  ? lock_downgrade+0x900/0x900
[  261.466539]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.471648]  ? ___ratelimit+0x3b9/0x672
[  261.475628]  ? idr_get_free+0xf70/0xf70
[  261.479603]  ? find_held_lock+0x36/0x1c0
[  261.483672]  oom_kill_process.cold.27+0x10/0x903
[  261.488426]  ? zap_class+0x640/0x640
[  261.492141]  ? check_preemption_disabled+0x48/0x280
[  261.497158]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.502086]  ? kasan_check_read+0x11/0x20
[  261.506243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.511530]  ? oom_evaluate_task+0x540/0x540
[  261.515942]  ? find_held_lock+0x36/0x1c0
[  261.520014]  ? out_of_memory+0x974/0x1430
[  261.524161]  ? lock_downgrade+0x900/0x900
[  261.528308]  ? check_preemption_disabled+0x48/0x280
[  261.533326]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.538269]  ? kasan_check_read+0x11/0x20
[  261.542435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.547709]  ? rcu_softirq_qs+0x20/0x20
[  261.551688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.557222]  ? oom_evaluate_task+0x302/0x540
[  261.561653]  out_of_memory+0xa84/0x1430
[  261.565636]  ? oom_killer_disable+0x3a0/0x3a0
[  261.570131]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  261.575066]  ? __ww_mutex_check_waiters+0x160/0x160
[  261.580093]  __alloc_pages_slowpath+0x232c/0x2de0
[  261.584990]  ? warn_alloc+0x120/0x120
[  261.588790]  ? mark_held_locks+0x130/0x130
[  261.593029]  ? find_get_entry+0xaae/0x1120
[  261.597287]  ? filemap_map_pages+0x1a20/0x1a20
[  261.601876]  ? zap_class+0x640/0x640
[  261.605594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.611135]  ? check_preemption_disabled+0x48/0x280
[  261.616155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.621693]  ? should_fail+0x22d/0xd01
[  261.625586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.630690]  ? zap_class+0x640/0x640
[  261.634427]  ? __lock_is_held+0xb5/0x140
[  261.638498]  ? mark_held_locks+0x130/0x130
[  261.642733]  ? lock_release+0xa00/0xa00
[  261.646705]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.652155]  ? xa_load+0x2ba/0x460
[  261.655696]  ? lock_downgrade+0x900/0x900
[  261.659851]  ? __might_sleep+0x95/0x190
[  261.663834]  __alloc_pages_nodemask+0xad8/0xea0
[  261.668514]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  261.673533]  ? __page_cache_alloc+0x191/0x5c0
[  261.678037]  ? xa_load+0x2e1/0x460
[  261.681584]  ? xa_clear_mark+0x40/0x40
[  261.685470]  ? zap_class+0x640/0x640
[  261.689189]  ? zap_class+0x640/0x640
[  261.692899]  ? zap_class+0x640/0x640
[  261.696610]  ? __do_page_cache_readahead+0x663/0x810
[  261.701718]  ? find_held_lock+0x36/0x1c0
[  261.705787]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  261.711330]  alloc_pages_current+0x173/0x350
[  261.715748]  __page_cache_alloc+0x38c/0x5c0
[  261.720072]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.725004]  ? kasan_check_read+0x11/0x20
[  261.729153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.734435]  ? generic_perform_write+0x6a0/0x6a0
[  261.739195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.744737]  ? check_preemption_disabled+0x48/0x280
[  261.749759]  filemap_fault+0x1595/0x25f0
[  261.753838]  ? __lock_page_or_retry+0xa00/0xa00
[  261.758513]  ? mark_held_locks+0x130/0x130
[  261.762768]  ? filemap_map_pages+0xd6b/0x1a20
[  261.767286]  ? lock_downgrade+0x900/0x900
[  261.771433]  ? check_preemption_disabled+0x48/0x280
[  261.776451]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.781378]  ? kasan_check_read+0x11/0x20
[  261.785525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.790803]  ? rcu_softirq_qs+0x20/0x20
[  261.794788]  ? filemap_map_pages+0xd92/0x1a20
[  261.799299]  ? find_get_entries_tag+0x1400/0x1400
[  261.804163]  ? lock_acquire+0x1ed/0x520
[  261.808135]  ? ext4_filemap_fault+0x7a/0xad
[  261.812463]  ? lock_release+0xa00/0xa00
[  261.816437]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.821886]  ? mark_held_locks+0x130/0x130
[  261.826135]  ? print_usage_bug+0xc0/0xc0
[  261.830197]  ? print_usage_bug+0xc0/0xc0
[  261.834285]  ? down_read+0x8d/0x120
[  261.837909]  ? ext4_filemap_fault+0x7a/0xad
[  261.842241]  ? __down_interruptible+0x700/0x700
[  261.846927]  ext4_filemap_fault+0x82/0xad
[  261.851081]  __do_fault+0x100/0x6b0
[  261.854711]  ? pmd_devmap_trans_unstable+0x220/0x220
[  261.859834]  ? mark_held_locks+0x130/0x130
[  261.864069]  ? mark_held_locks+0x130/0x130
[  261.868307]  ? hrtimer_forward+0x2a0/0x2a0
[  261.872538]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  261.877386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.882926]  __handle_mm_fault+0x3ea6/0x5be0
[  261.887347]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  261.892194]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.897299]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.902404]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.906990]  ? trace_hardirqs_on+0xbd/0x310
[  261.911310]  ? kasan_check_read+0x11/0x20
[  261.915463]  ? __free_object+0x173/0x340
[  261.919537]  ? zap_class+0x640/0x640
[  261.923260]  ? zap_class+0x640/0x640
[  261.926971]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.932082]  ? find_held_lock+0x36/0x1c0
[  261.936153]  ? handle_mm_fault+0x42a/0xc70
[  261.940395]  ? lock_downgrade+0x900/0x900
[  261.944546]  ? check_preemption_disabled+0x48/0x280
[  261.949567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.954499]  ? kasan_check_read+0x11/0x20
[  261.958645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.963925]  ? rcu_softirq_qs+0x20/0x20
[  261.967900]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.973005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.978545]  ? check_preemption_disabled+0x48/0x280
[  261.983573]  handle_mm_fault+0x54f/0xc70
[  261.987637]  ? __handle_mm_fault+0x5be0/0x5be0
[  261.992226]  ? find_vma+0x34/0x190
[  261.995786]  __do_page_fault+0x5e8/0xe60
[  261.999847]  ? trace_hardirqs_off+0xb8/0x310
[  262.004278]  do_page_fault+0xf2/0x7e0
[  262.008083]  ? vmalloc_sync_all+0x30/0x30
[  262.012242]  ? error_entry+0x70/0xd0
[  262.015966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.020987]  ? trace_hardirqs_on_caller+0xc0/0x310
[  262.025918]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.030848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.035691]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.040707]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.046161]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.051183]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.056199]  ? page_fault+0x8/0x30
[  262.059753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.064596]  ? page_fault+0x8/0x30
[  262.068136]  page_fault+0x1e/0x30
[  262.071586] RIP: 0033:0x7f4afc2d3e40
[  262.075311] Code: Bad RIP value.
[  262.078669] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  262.084030] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  262.091299] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  262.098563] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  262.105827] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  262.113093] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  262.120394] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  262.120399] warn_alloc_show_mem: 1 callbacks suppressed
[  262.120406] Mem-Info:
[  262.127764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.133135] active_anon:57379 inactive_anon:189 isolated_anon:0
[  262.133135]  active_file:13 inactive_file:16 isolated_file:0
[  262.133135]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.133135]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  262.133135]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  262.133135]  free:13771 free_pcp:208 free_cma:0
[  262.135509] Call Trace:
[  262.144901] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.177741]  <IRQ>
[  262.180312] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.207812]  dump_stack+0x244/0x39d
[  262.209936] lowmem_reserve[]: 0 2818 6321 6321
[  262.236040]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.239640] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.244223]  warn_alloc.cold.116+0xb7/0x1bd
[  262.249380] lowmem_reserve[]: 0 0 3503 3503
[  262.276956]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.281262] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  262.285576]  ? lock_downgrade+0x900/0x900
[  262.290390] lowmem_reserve[]: 0 0 0 0
[  262.319279]  ? trace_hardirqs_off+0xb8/0x310
[  262.323398] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  262.327193]  ? trace_hardirqs_off+0xb8/0x310
[  262.331571] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  262.345090]  __alloc_pages_slowpath+0x2651/0x2de0
[  262.349467] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  262.365026]  ? warn_alloc+0x120/0x120
[  262.369834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.384385]  ? print_usage_bug+0xc0/0xc0
[  262.388165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.396986]  ? warn_alloc+0x120/0x120
[  262.401026] 273 total pagecache pages
[  262.409593]  ? warn_alloc+0x120/0x120
[  262.413373] 0 pages in swap cache
[  262.417251]  ? print_usage_bug+0xc0/0xc0
[  262.421032] Swap cache stats: add 0, delete 0, find 0/0
[  262.424472]  ? print_usage_bug+0xc0/0xc0
[  262.428510] Free swap  = 0kB
[  262.433877]  ? __lock_acquire+0x62f/0x4c20
[  262.437912] Total swap = 0kB
[  262.440923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.445127] 1965979 pages RAM
[  262.448138]  ? should_fail+0x22d/0xd01
[  262.453652] 0 pages HighMem/MovableOnly
[  262.456751]  ? __lock_acquire+0x62f/0x4c20
[  262.460640] 342853 pages reserved
[  262.464623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.468833] 0 pages cma reserved
[  262.472276]  ? __lock_acquire+0x62f/0x4c20
[  262.477443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.480714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.485009] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.491408]  ? __lock_acquire+0x62f/0x4c20
[  262.496673] cron cpuset=/ mems_allowed=0
[  262.506369]  ? should_fail+0x22d/0xd01
[  262.506395]  ? mark_held_locks+0x130/0x130
[  262.522754]  ? mark_held_locks+0x130/0x130
[  262.526992]  ? zap_class+0x640/0x640
[  262.530705]  ? zap_class+0x640/0x640
[  262.534433]  ? print_usage_bug+0xc0/0xc0
[  262.538511]  ? do_raw_spin_unlock+0xa7/0x330
[  262.542918]  ? zap_class+0x640/0x640
[  262.546629]  ? print_usage_bug+0xc0/0xc0
[  262.550707]  ? print_usage_bug+0xc0/0xc0
[  262.554788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.560323]  ? check_preemption_disabled+0x48/0x280
[  262.565349]  ? __lock_is_held+0xb5/0x140
[  262.569417]  __alloc_pages_nodemask+0xad8/0xea0
[  262.574087]  ? zap_class+0x640/0x640
[  262.577802]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  262.582829]  ? find_held_lock+0x36/0x1c0
[  262.586916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.591585]  ? lock_downgrade+0x900/0x900
[  262.595738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.601284]  cache_grow_begin+0xa5/0x8c0
[  262.605343]  ? do_raw_spin_unlock+0xa7/0x330
[  262.609776]  fallback_alloc+0x204/0x2e0
[  262.613760]  ____cache_alloc_node+0x1c7/0x1e0
[  262.618269]  kmem_cache_alloc_node+0xe3/0x730
[  262.622773]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.627019]  __alloc_skb+0x119/0x770
[  262.630743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.636028]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.640434]  ? lock_downgrade+0x900/0x900
[  262.644587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.650127]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.655579]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.661034]  ? addrconf_rs_timer+0x690/0x690
[  262.665455]  ndisc_alloc_skb+0x144/0x340
[  262.669523]  ndisc_send_rs+0x331/0x6e0
[  262.673414]  addrconf_rs_timer+0x314/0x690
[  262.677653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.681984]  call_timer_fn+0x272/0x920
[  262.685874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.690127]  ? process_timeout+0x40/0x40
[  262.694197]  ? __run_timers+0x7da/0xc70
[  262.698172]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.702662]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.707187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.711436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.716018]  ? trace_hardirqs_on+0xbd/0x310
[  262.720342]  ? kasan_check_read+0x11/0x20
[  262.724487]  ? __run_timers+0x7da/0xc70
[  262.728464]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.733572]  ? tcp_compressed_ack_kick+0x220/0x220
[  262.738509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.742742]  __run_timers+0x7e5/0xc70
[  262.746553]  ? timer_fixup_init+0x70/0x70
[  262.750729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.755744]  ? zap_class+0x640/0x640
[  262.759463]  ? enqueue_hrtimer+0x1a5/0x560
[  262.763703]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.768914]  ? find_held_lock+0x36/0x1c0
[  262.772982]  ? zap_class+0x640/0x640
[  262.776700]  ? pvclock_read_flags+0x160/0x160
[  262.781369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.786911]  ? check_preemption_disabled+0x48/0x280
[  262.791934]  ? __lock_is_held+0xb5/0x140
[  262.795999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.801538]  ? check_preemption_disabled+0x48/0x280
[  262.806563]  run_timer_softirq+0x52/0xb0
[  262.810625]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.815640]  __do_softirq+0x308/0xb7e
[  262.819445]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.823938]  ? lock_downgrade+0x900/0x900
[  262.828088]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.833202]  ? pvclock_read_flags+0x160/0x160
[  262.837712]  ? lapic_next_event+0x5a/0x90
[  262.841859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.847400]  ? kvm_clock_read+0x18/0x30
[  262.851371]  ? kvm_sched_clock_read+0x9/0x20
[  262.855782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.861321]  ? check_preemption_disabled+0x48/0x280
[  262.866344]  irq_exit+0x17f/0x1c0
[  262.869797]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.874638]  ? smp_reschedule_interrupt+0x109/0x650
[  262.879652]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.885537]  ? interrupt_entry+0xb5/0xc0
[  262.889598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.894612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.899632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.904476]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.909489]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.914507]  ? task_prio+0x50/0x50
[  262.918052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.923596]  ? check_preemption_disabled+0x48/0x280
[  262.928617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.933468]  apic_timer_interrupt+0xf/0x20
[  262.937698]  </IRQ>
[  262.939940] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.944869] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  262.963787] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.971505] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  262.978781] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  262.986082] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  262.993346] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  263.000616] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  263.007927]  skb_clone+0x1bb/0x500
[  263.011468]  ? finish_task_switch+0x1b4/0x910
[  263.015964]  ? skb_split+0x11e0/0x11e0
[  263.019852]  ? preempt_notifier_register+0x200/0x200
[  263.024955]  ? __switch_to_asm+0x34/0x70
[  263.029015]  ? __switch_to_asm+0x34/0x70
[  263.033071]  ? __switch_to_asm+0x40/0x70
[  263.037144]  ? __switch_to_asm+0x34/0x70
[  263.041201]  ? __switch_to_asm+0x40/0x70
[  263.045270]  ? __switch_to_asm+0x34/0x70
[  263.049326]  ? __switch_to_asm+0x40/0x70
[  263.053382]  ? __switch_to_asm+0x34/0x70
[  263.057440]  ? __switch_to_asm+0x34/0x70
[  263.061500]  ? __switch_to_asm+0x40/0x70
[  263.065558]  ? __switch_to_asm+0x34/0x70
[  263.069625]  bpf_clone_redirect+0xb9/0x490
[  263.073864]  ? __schedule+0x8d7/0x21d0
[  263.077767]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  263.082788]  ? __sched_text_start+0x8/0x8
[  263.086936]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.091694]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.096274]  ? retint_kernel+0x2d/0x2d
[  263.100165]  ? find_held_lock+0x36/0x1c0
[  263.104242]  ? lock_acquire+0x1ed/0x520
[  263.108221]  ? bpf_test_run+0x3ee/0x7a0
[  263.112205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.117761]  ? check_preemption_disabled+0x48/0x280
[  263.122785]  ? kasan_check_read+0x11/0x20
[  263.126935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.132213]  ? rcu_softirq_qs+0x20/0x20
[  263.136197]  ? preempt_schedule+0x4d/0x60
[  263.140345]  ? ___preempt_schedule+0x16/0x18
[  263.144764]  ? bpf_test_run+0x271/0x7a0
[  263.148752]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.153171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.158709]  ? bpf_test_init.isra.10+0x70/0x100
[  263.163382]  ? bpf_prog_test_run_skb+0x762/0xd60
[  263.168145]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.172993]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.178531]  ? fput+0x130/0x1a0
[  263.181827]  ? __bpf_prog_get+0x9b/0x290
[  263.185890]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.190729]  ? bpf_prog_test_run+0x130/0x1a0
[  263.195155]  ? __x64_sys_bpf+0x3d8/0x520
[  263.199216]  ? bpf_prog_get+0x20/0x20
[  263.203035]  ? do_syscall_64+0x1e1/0x820
[  263.207100]  ? do_syscall_64+0x1b9/0x820
[  263.211157]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.216521]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.221451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.226304]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.231320]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.236337]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.241357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.246207]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.251594] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  263.251665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.258083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.258088] Call Trace:
[  263.258094]  <IRQ>
[  263.258114]  dump_stack+0x244/0x39d
[  263.258133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.264689] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.273965]  warn_alloc.cold.116+0xb7/0x1bd
[  263.276519] syz-executor5 cpuset=syz5 mems_allowed=0
[  263.278662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.312131]  ? lock_downgrade+0x900/0x900
[  263.316294]  ? trace_hardirqs_off+0xb8/0x310
[  263.320730]  ? trace_hardirqs_off+0xb8/0x310
[  263.325146]  __alloc_pages_slowpath+0x2651/0x2de0
[  263.330017]  ? warn_alloc+0x120/0x120
[  263.333819]  ? print_usage_bug+0xc0/0xc0
[  263.337883]  ? warn_alloc+0x120/0x120
[  263.341690]  ? warn_alloc+0x120/0x120
[  263.345494]  ? print_usage_bug+0xc0/0xc0
[  263.349554]  ? kvm_clock_read+0x18/0x30
[  263.353528]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.358543]  ? print_usage_bug+0xc0/0xc0
[  263.362608]  ? __lock_acquire+0x62f/0x4c20
[  263.366849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.372386]  ? should_fail+0x22d/0xd01
[  263.376279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.381558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.386664]  ? __lock_acquire+0x62f/0x4c20
[  263.390903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.396005]  ? __lock_acquire+0x62f/0x4c20
[  263.400246]  ? should_fail+0x22d/0xd01
[  263.404140]  ? rcu_irq_exit+0x1a2/0x390
[  263.408121]  ? mark_held_locks+0x130/0x130
[  263.412359]  ? mark_held_locks+0x130/0x130
[  263.416599]  ? mark_held_locks+0xc7/0x130
[  263.420748]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  263.425764]  ? zap_class+0x640/0x640
[  263.429476]  ? print_usage_bug+0xc0/0xc0
[  263.433540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.439079]  ? check_preemption_disabled+0x48/0x280
[  263.444103]  ? __lock_is_held+0xb5/0x140
[  263.448173]  __alloc_pages_nodemask+0xad8/0xea0
[  263.452839]  ? zap_class+0x640/0x640
[  263.456560]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  263.461588]  ? find_held_lock+0x36/0x1c0
[  263.465669]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.470342]  ? lock_downgrade+0x900/0x900
[  263.474506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.480047]  cache_grow_begin+0xa5/0x8c0
[  263.484110]  ? do_raw_spin_unlock+0xa7/0x330
[  263.488529]  fallback_alloc+0x204/0x2e0
[  263.492507]  ____cache_alloc_node+0x1c7/0x1e0
[  263.497014]  kmem_cache_alloc_node+0xe3/0x730
[  263.501508]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.505750]  __alloc_skb+0x119/0x770
[  263.509472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.514754]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.519162]  ? lock_downgrade+0x900/0x900
[  263.523317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.528853]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.534306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.539754]  ? addrconf_rs_timer+0x690/0x690
[  263.544176]  ndisc_alloc_skb+0x144/0x340
[  263.548246]  ndisc_send_rs+0x331/0x6e0
[  263.552143]  addrconf_rs_timer+0x314/0x690
[  263.556380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.560624]  call_timer_fn+0x272/0x920
[  263.564512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.568746]  ? process_timeout+0x40/0x40
[  263.572819]  ? mark_held_locks+0xc7/0x130
[  263.576970]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.581467]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.585958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.590192]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.594776]  ? trace_hardirqs_on+0xbd/0x310
[  263.599102]  ? kasan_check_read+0x11/0x20
[  263.603261]  ? __run_timers+0x7da/0xc70
[  263.607244]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.612358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.616601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.620832]  __run_timers+0x7e5/0xc70
[  263.624658]  ? timer_fixup_init+0x70/0x70
[  263.628805]  ? kasan_check_read+0x11/0x20
[  263.632966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.638247]  ? rcu_softirq_qs+0x20/0x20
[  263.642231]  ? mark_held_locks+0xc7/0x130
[  263.646396]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.651153]  ? retint_kernel+0x2d/0x2d
[  263.655039]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.659966]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.664728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.670183]  ? zap_class+0x640/0x640
[  263.673902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.679442]  ? check_preemption_disabled+0x48/0x280
[  263.684469]  ? __lock_is_held+0xb5/0x140
[  263.688529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.694065]  ? check_preemption_disabled+0x48/0x280
[  263.699100]  run_timer_softirq+0x52/0xb0
[  263.703163]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.708183]  __do_softirq+0x308/0xb7e
[  263.711985]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.716476]  ? lock_downgrade+0x900/0x900
[  263.720626]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.725735]  ? pvclock_read_flags+0x160/0x160
[  263.730240]  ? lapic_next_event+0x5a/0x90
[  263.734398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.739939]  ? kvm_clock_read+0x18/0x30
[  263.743915]  ? kvm_sched_clock_read+0x9/0x20
[  263.748328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.753867]  ? check_preemption_disabled+0x48/0x280
[  263.758893]  irq_exit+0x17f/0x1c0
[  263.762371]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.767214]  ? smp_reschedule_interrupt+0x109/0x650
[  263.772242]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.778131]  ? interrupt_entry+0xb5/0xc0
[  263.782198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.787210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.792244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.797093]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.802109]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.807123]  ? task_prio+0x50/0x50
[  263.810668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.816212]  ? check_preemption_disabled+0x48/0x280
[  263.821265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.826117]  apic_timer_interrupt+0xf/0x20
[  263.830342]  </IRQ>
[  263.832584] RIP: 0010:dump_stack+0x358/0x39d
[  263.836997] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  263.855930] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  263.863644] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  263.870912] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  263.878182] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  263.885447] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  263.892712] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  263.900003]  ? dump_stack+0x34f/0x39d
[  263.903816]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.909011]  ? mark_held_locks+0x130/0x130
[  263.913251]  ? mark_held_locks+0x130/0x130
[  263.917496]  dump_header+0x27b/0xf72
[  263.921222]  ? pagefault_out_of_memory+0x197/0x197
[  263.926170]  ? __lock_acquire+0x62f/0x4c20
[  263.930405]  ? percpu_ref_get_many+0x240/0x240
[  263.934989]  ? print_usage_bug+0xc0/0xc0
[  263.939053]  ? zap_class+0x640/0x640
[  263.942767]  ? print_usage_bug+0xc0/0xc0
[  263.946843]  ? print_usage_bug+0xc0/0xc0
[  263.950919]  ? zap_class+0x640/0x640
[  263.954650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.960191]  ? find_held_lock+0x36/0x1c0
[  263.964276]  ? mark_held_locks+0xc7/0x130
[  263.968431]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  263.973532]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  263.978645]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.983260]  ? trace_hardirqs_on+0xbd/0x310
[  263.987583]  ? kasan_check_read+0x11/0x20
[  263.991732]  ? ___ratelimit+0x3b4/0x672
[  263.995706]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.000813]  ? trace_hardirqs_on+0x310/0x310
[  264.005226]  ? lock_downgrade+0x900/0x900
[  264.009393]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.014494]  ? ___ratelimit+0x3b9/0x672
[  264.018482]  ? idr_get_free+0xf70/0xf70
[  264.022457]  ? find_held_lock+0x36/0x1c0
[  264.026529]  oom_kill_process.cold.27+0x10/0x903
[  264.031292]  ? zap_class+0x640/0x640
[  264.035010]  ? check_preemption_disabled+0x48/0x280
[  264.040031]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.044964]  ? kasan_check_read+0x11/0x20
[  264.049107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.054383]  ? oom_evaluate_task+0x540/0x540
[  264.058796]  ? find_held_lock+0x36/0x1c0
[  264.062864]  ? out_of_memory+0x974/0x1430
[  264.067016]  ? lock_downgrade+0x900/0x900
[  264.071163]  ? check_preemption_disabled+0x48/0x280
[  264.076183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.081110]  ? kasan_check_read+0x11/0x20
[  264.085269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.090545]  ? rcu_softirq_qs+0x20/0x20
[  264.094523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.100077]  ? oom_evaluate_task+0x302/0x540
[  264.104490]  out_of_memory+0xa84/0x1430
[  264.108477]  ? oom_killer_disable+0x3a0/0x3a0
[  264.112970]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  264.117902]  ? __ww_mutex_check_waiters+0x160/0x160
[  264.122929]  __alloc_pages_slowpath+0x232c/0x2de0
[  264.127812]  ? warn_alloc+0x120/0x120
[  264.131613]  ? mark_held_locks+0x130/0x130
[  264.135854]  ? find_get_entry+0xaae/0x1120
[  264.140102]  ? filemap_map_pages+0x1a20/0x1a20
[  264.144693]  ? zap_class+0x640/0x640
[  264.148412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.153954]  ? check_preemption_disabled+0x48/0x280
[  264.158984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.164521]  ? should_fail+0x22d/0xd01
[  264.168412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.173520]  ? zap_class+0x640/0x640
[  264.177269]  ? __lock_is_held+0xb5/0x140
[  264.181340]  ? mark_held_locks+0x130/0x130
[  264.185579]  ? lock_release+0xa00/0xa00
[  264.189553]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.195003]  ? xa_load+0x2ba/0x460
[  264.198544]  ? lock_downgrade+0x900/0x900
[  264.202698]  ? __might_sleep+0x95/0x190
[  264.206691]  __alloc_pages_nodemask+0xad8/0xea0
[  264.211371]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  264.216398]  ? __page_cache_alloc+0x191/0x5c0
[  264.220894]  ? xa_load+0x2e1/0x460
[  264.224436]  ? xa_clear_mark+0x40/0x40
[  264.228331]  ? zap_class+0x640/0x640
[  264.232053]  ? zap_class+0x640/0x640
[  264.235768]  ? zap_class+0x640/0x640
[  264.239482]  ? __do_page_cache_readahead+0x663/0x810
[  264.244593]  ? find_held_lock+0x36/0x1c0
[  264.248660]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  264.254202]  alloc_pages_current+0x173/0x350
[  264.258643]  __page_cache_alloc+0x38c/0x5c0
[  264.262962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.267904]  ? kasan_check_read+0x11/0x20
[  264.272055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.277337]  ? generic_perform_write+0x6a0/0x6a0
[  264.282095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.287633]  ? check_preemption_disabled+0x48/0x280
[  264.292657]  filemap_fault+0x1595/0x25f0
[  264.296761]  ? __lock_page_or_retry+0xa00/0xa00
[  264.301432]  ? mark_held_locks+0x130/0x130
[  264.305674]  ? filemap_map_pages+0xd6b/0x1a20
[  264.310169]  ? lock_downgrade+0x900/0x900
[  264.314318]  ? check_preemption_disabled+0x48/0x280
[  264.319430]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.324357]  ? kasan_check_read+0x11/0x20
[  264.328508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.333787]  ? rcu_softirq_qs+0x20/0x20
[  264.337774]  ? filemap_map_pages+0xd92/0x1a20
[  264.342294]  ? find_get_entries_tag+0x1400/0x1400
[  264.347168]  ? lock_acquire+0x1ed/0x520
[  264.351145]  ? ext4_filemap_fault+0x7a/0xad
[  264.355475]  ? lock_release+0xa00/0xa00
[  264.359451]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.365348]  ? mark_held_locks+0x130/0x130
[  264.369589]  ? print_usage_bug+0xc0/0xc0
[  264.373649]  ? print_usage_bug+0xc0/0xc0
[  264.377740]  ? down_read+0x8d/0x120
[  264.381368]  ? ext4_filemap_fault+0x7a/0xad
[  264.385691]  ? __down_interruptible+0x700/0x700
[  264.390372]  ext4_filemap_fault+0x82/0xad
[  264.394526]  __do_fault+0x100/0x6b0
[  264.398158]  ? pmd_devmap_trans_unstable+0x220/0x220
[  264.403280]  ? mark_held_locks+0x130/0x130
[  264.407522]  ? mark_held_locks+0x130/0x130
[  264.411760]  ? hrtimer_forward+0x2a0/0x2a0
[  264.415995]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  264.420844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.426389]  __handle_mm_fault+0x3ea6/0x5be0
[  264.430807]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  264.435652]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.440756]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.445859]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.450447]  ? trace_hardirqs_on+0xbd/0x310
[  264.454771]  ? kasan_check_read+0x11/0x20
[  264.458928]  ? __free_object+0x173/0x340
[  264.463015]  ? zap_class+0x640/0x640
[  264.466728]  ? zap_class+0x640/0x640
[  264.470439]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.475548]  ? find_held_lock+0x36/0x1c0
[  264.479619]  ? handle_mm_fault+0x42a/0xc70
[  264.483857]  ? lock_downgrade+0x900/0x900
[  264.488004]  ? check_preemption_disabled+0x48/0x280
[  264.493026]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.498082]  ? kasan_check_read+0x11/0x20
[  264.502244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.507526]  ? rcu_softirq_qs+0x20/0x20
[  264.511501]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.516610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.522151]  ? check_preemption_disabled+0x48/0x280
[  264.527179]  handle_mm_fault+0x54f/0xc70
[  264.531267]  ? __handle_mm_fault+0x5be0/0x5be0
[  264.535857]  ? find_vma+0x34/0x190
[  264.539406]  __do_page_fault+0x5e8/0xe60
[  264.543469]  ? trace_hardirqs_off+0xb8/0x310
[  264.547886]  do_page_fault+0xf2/0x7e0
[  264.551689]  ? vmalloc_sync_all+0x30/0x30
[  264.555837]  ? error_entry+0x70/0xd0
[  264.559555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.564571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.569501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.574431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.579279]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.584311]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.589761]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.594780]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.599795]  ? page_fault+0x8/0x30
[  264.603343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.608186]  ? page_fault+0x8/0x30
[  264.611727]  page_fault+0x1e/0x30
[  264.615181] RIP: 0033:0x7f4afc2d3e40
[  264.618904] Code: Bad RIP value.
[  264.622271] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  264.627628] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  264.634898] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  264.642164] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  264.649432] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  264.656700] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  264.663988] warn_alloc_show_mem: 1 callbacks suppressed
[  264.664001] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  264.664002] Mem-Info:
[  264.664034] active_anon:57379 inactive_anon:189 isolated_anon:0
[  264.664034]  active_file:13 inactive_file:16 isolated_file:0
[  264.664034]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.664034]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  264.664034]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  264.664034]  free:13771 free_pcp:208 free_cma:0
[  264.669378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.676742] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.679142] Call Trace:
[  264.712015] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.721363]  <IRQ>
[  264.748836] lowmem_reserve[]: 0 2818 6321 6321
[  264.751436]  dump_stack+0x244/0x39d
[  264.777516] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  264.779665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.784208] lowmem_reserve[]: 0 0 3503 3503
[  264.787856]  warn_alloc.cold.116+0xb7/0x1bd
[  264.815412] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  264.820597]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.824888] lowmem_reserve[]: 0 0 0 0
[  264.829208]  ? lock_downgrade+0x900/0x900
[  264.858076] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  264.862937]  ? trace_hardirqs_off+0xb8/0x310
[  264.866702] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  264.870846]  ? trace_hardirqs_off+0xb8/0x310
[  264.884348] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  264.888764]  __alloc_pages_slowpath+0x2651/0x2de0
[  264.904168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.908584]  ? warn_alloc+0x120/0x120
[  264.923109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.927941]  ? print_usage_bug+0xc0/0xc0
[  264.936748] 273 total pagecache pages
[  264.940545]  ? warn_alloc+0x120/0x120
[  264.949104] 0 pages in swap cache
[  264.953151]  ? warn_alloc+0x120/0x120
[  264.956929] Swap cache stats: add 0, delete 0, find 0/0
[  264.960720]  ? print_usage_bug+0xc0/0xc0
[  264.964144] Free swap  = 0kB
[  264.967942]  ? kvm_clock_read+0x18/0x30
[  264.973285] Total swap = 0kB
[  264.977344]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  264.980340] 1965979 pages RAM
[  264.984306]  ? print_usage_bug+0xc0/0xc0
[  264.987301] 0 pages HighMem/MovableOnly
[  264.992307]  ? __lock_acquire+0x62f/0x4c20
[  264.995392] 342853 pages reserved
[  264.999452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.003403] 0 pages cma reserved
[  265.007628]  ? should_fail+0x22d/0xd01
[  265.011114] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.016579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.016597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.016614]  ? __lock_acquire+0x62f/0x4c20
[  265.020014] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.023841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.030308] cron cpuset=/ mems_allowed=0
[  265.035576]  ? __lock_acquire+0x62f/0x4c20
[  265.067941]  ? should_fail+0x22d/0xd01
[  265.071825]  ? rcu_irq_exit+0x1a2/0x390
[  265.075809]  ? mark_held_locks+0x130/0x130
[  265.080049]  ? mark_held_locks+0x130/0x130
[  265.084290]  ? mark_held_locks+0xc7/0x130
[  265.088439]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  265.093457]  ? zap_class+0x640/0x640
[  265.097171]  ? print_usage_bug+0xc0/0xc0
[  265.101243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.106788]  ? check_preemption_disabled+0x48/0x280
[  265.111811]  ? __lock_is_held+0xb5/0x140
[  265.115880]  __alloc_pages_nodemask+0xad8/0xea0
[  265.120546]  ? zap_class+0x640/0x640
[  265.124274]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  265.129300]  ? find_held_lock+0x36/0x1c0
[  265.133371]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.138044]  ? lock_downgrade+0x900/0x900
[  265.142200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.147750]  cache_grow_begin+0xa5/0x8c0
[  265.151822]  ? do_raw_spin_unlock+0xa7/0x330
[  265.156244]  fallback_alloc+0x204/0x2e0
[  265.160228]  ____cache_alloc_node+0x1c7/0x1e0
[  265.164738]  kmem_cache_alloc_node+0xe3/0x730
[  265.169251]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.173498]  __alloc_skb+0x119/0x770
[  265.177212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.182517]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.186929]  ? lock_downgrade+0x900/0x900
[  265.191085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.196625]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.202081]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.207533]  ? addrconf_rs_timer+0x690/0x690
[  265.211952]  ndisc_alloc_skb+0x144/0x340
[  265.216018]  ndisc_send_rs+0x331/0x6e0
[  265.219909]  addrconf_rs_timer+0x314/0x690
[  265.224146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.228397]  call_timer_fn+0x272/0x920
[  265.232287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.236523]  ? process_timeout+0x40/0x40
[  265.240592]  ? __run_timers+0x7da/0xc70
[  265.244564]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.249056]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.253554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.257794]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.262377]  ? trace_hardirqs_on+0xbd/0x310
[  265.266699]  ? kasan_check_read+0x11/0x20
[  265.270846]  ? __run_timers+0x7da/0xc70
[  265.274824]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.279931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.284189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.288419]  __run_timers+0x7e5/0xc70
[  265.292229]  ? timer_fixup_init+0x70/0x70
[  265.296394]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.301415]  ? zap_class+0x640/0x640
[  265.305131]  ? enqueue_hrtimer+0x1a5/0x560
[  265.309366]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.314566]  ? find_held_lock+0x36/0x1c0
[  265.318630]  ? zap_class+0x640/0x640
[  265.322349]  ? pvclock_read_flags+0x160/0x160
[  265.326846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.332386]  ? check_preemption_disabled+0x48/0x280
[  265.337410]  ? __lock_is_held+0xb5/0x140
[  265.341470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.347012]  ? check_preemption_disabled+0x48/0x280
[  265.352032]  run_timer_softirq+0x52/0xb0
[  265.356094]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.361552]  __do_softirq+0x308/0xb7e
[  265.365357]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.369859]  ? lock_downgrade+0x900/0x900
[  265.374012]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.379121]  ? pvclock_read_flags+0x160/0x160
[  265.383617]  ? lapic_next_event+0x5a/0x90
[  265.387777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.393320]  ? kvm_clock_read+0x18/0x30
[  265.397296]  ? kvm_sched_clock_read+0x9/0x20
[  265.401707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.407254]  ? check_preemption_disabled+0x48/0x280
[  265.412282]  irq_exit+0x17f/0x1c0
[  265.415741]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.420586]  ? smp_reschedule_interrupt+0x109/0x650
[  265.425601]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.431484]  ? interrupt_entry+0xb5/0xc0
[  265.435547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.440560]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.445576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.450419]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.455446]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.460462]  ? task_prio+0x50/0x50
[  265.464004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.469545]  ? check_preemption_disabled+0x48/0x280
[  265.474567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.479430]  apic_timer_interrupt+0xf/0x20
[  265.483657]  </IRQ>
[  265.485895] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.490825] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  265.509736] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.517449] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  265.524717] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  265.531983] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  265.539256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  265.546522] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  265.553835]  skb_clone+0x1bb/0x500
[  265.557376]  ? finish_task_switch+0x1b4/0x910
[  265.561869]  ? skb_split+0x11e0/0x11e0
[  265.565765]  ? preempt_notifier_register+0x200/0x200
[  265.570863]  ? __switch_to_asm+0x34/0x70
[  265.574921]  ? __switch_to_asm+0x34/0x70
[  265.578976]  ? __switch_to_asm+0x40/0x70
[  265.583031]  ? __switch_to_asm+0x34/0x70
[  265.587086]  ? __switch_to_asm+0x40/0x70
[  265.591145]  ? __switch_to_asm+0x34/0x70
[  265.595199]  ? __switch_to_asm+0x40/0x70
[  265.599265]  ? __switch_to_asm+0x34/0x70
[  265.603325]  ? __switch_to_asm+0x34/0x70
[  265.607381]  ? __switch_to_asm+0x40/0x70
[  265.611439]  ? __switch_to_asm+0x34/0x70
[  265.615504]  bpf_clone_redirect+0xb9/0x490
[  265.619738]  ? __schedule+0x8d7/0x21d0
[  265.623637]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  265.628658]  ? __sched_text_start+0x8/0x8
[  265.632810]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.637572]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.642151]  ? retint_kernel+0x2d/0x2d
[  265.646040]  ? find_held_lock+0x36/0x1c0
[  265.650110]  ? lock_acquire+0x1ed/0x520
[  265.654088]  ? bpf_test_run+0x3ee/0x7a0
[  265.658068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.663608]  ? check_preemption_disabled+0x48/0x280
[  265.668630]  ? kasan_check_read+0x11/0x20
[  265.672792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.678067]  ? rcu_softirq_qs+0x20/0x20
[  265.682041]  ? preempt_schedule+0x4d/0x60
[  265.686192]  ? ___preempt_schedule+0x16/0x18
[  265.690606]  ? bpf_test_run+0x271/0x7a0
[  265.694592]  ? netlink_diag_dump+0x2a0/0x2a0
[  265.699006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.704542]  ? bpf_test_init.isra.10+0x70/0x100
[  265.709220]  ? bpf_prog_test_run_skb+0x762/0xd60
[  265.713997]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  265.718847]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.724383]  ? fput+0x130/0x1a0
[  265.727668]  ? __bpf_prog_get+0x9b/0x290
[  265.731731]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  265.736574]  ? bpf_prog_test_run+0x130/0x1a0
[  265.740987]  ? __x64_sys_bpf+0x3d8/0x520
[  265.745046]  ? bpf_prog_get+0x20/0x20
[  265.748862]  ? do_syscall_64+0x1e1/0x820
[  265.752932]  ? do_syscall_64+0x1b9/0x820
[  265.756991]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  265.762355]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.767286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.772133]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.777153]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  265.782171]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.787194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.792042]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  265.797427] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  265.797499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.803917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.803926] Call Trace:
[  265.810507] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.819741]  <IRQ>
[  265.822343] syz-executor5 cpuset=syz5 mems_allowed=0
[  265.832839]  dump_stack+0x244/0x39d
[  265.843687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.848895]  warn_alloc.cold.116+0xb7/0x1bd
[  265.853218]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.858079]  ? lock_downgrade+0x900/0x900
[  265.862247]  ? trace_hardirqs_off+0xb8/0x310
[  265.866667]  ? trace_hardirqs_off+0xb8/0x310
[  265.871086]  __alloc_pages_slowpath+0x2651/0x2de0
[  265.875955]  ? warn_alloc+0x120/0x120
[  265.879764]  ? print_usage_bug+0xc0/0xc0
[  265.883829]  ? warn_alloc+0x120/0x120
[  265.887637]  ? warn_alloc+0x120/0x120
[  265.891440]  ? print_usage_bug+0xc0/0xc0
[  265.895506]  ? print_usage_bug+0xc0/0xc0
[  265.899572]  ? __lock_acquire+0x62f/0x4c20
[  265.903814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.909358]  ? should_fail+0x22d/0xd01
[  265.913264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.918369]  ? __lock_acquire+0x62f/0x4c20
[  265.922612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.927712]  ? __lock_acquire+0x62f/0x4c20
[  265.931947]  ? should_fail+0x22d/0xd01
[  265.935835]  ? find_held_lock+0x36/0x1c0
[  265.939904]  ? mark_held_locks+0x130/0x130
[  265.944144]  ? mark_held_locks+0x130/0x130
[  265.948379]  ? zap_class+0x640/0x640
[  265.952094]  ? zap_class+0x640/0x640
[  265.955812]  ? print_usage_bug+0xc0/0xc0
[  265.959876]  ? do_raw_spin_unlock+0xa7/0x330
[  265.964287]  ? zap_class+0x640/0x640
[  265.968089]  ? print_usage_bug+0xc0/0xc0
[  265.972149]  ? wq_watchdog_touch+0x9c/0xfe
[  265.976392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.981932]  ? check_preemption_disabled+0x48/0x280
[  265.986963]  ? __lock_is_held+0xb5/0x140
[  265.991034]  __alloc_pages_nodemask+0xad8/0xea0
[  265.995707]  ? zap_class+0x640/0x640
[  265.999432]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  266.004462]  ? find_held_lock+0x36/0x1c0
[  266.008533]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.013218]  ? lock_downgrade+0x900/0x900
[  266.017405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.022955]  cache_grow_begin+0xa5/0x8c0
[  266.027028]  ? do_raw_spin_unlock+0xa7/0x330
[  266.031451]  fallback_alloc+0x204/0x2e0
[  266.035435]  ____cache_alloc_node+0x1c7/0x1e0
[  266.039971]  kmem_cache_alloc_node+0xe3/0x730
[  266.044470]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.048719]  __alloc_skb+0x119/0x770
[  266.052433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.057729]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.062142]  ? lock_downgrade+0x900/0x900
[  266.066298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.071837]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.077293]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.082746]  ? addrconf_rs_timer+0x690/0x690
[  266.087168]  ndisc_alloc_skb+0x144/0x340
[  266.091242]  ndisc_send_rs+0x331/0x6e0
[  266.095142]  addrconf_rs_timer+0x314/0x690
[  266.099386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.103633]  call_timer_fn+0x272/0x920
[  266.107525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.111758]  ? process_timeout+0x40/0x40
[  266.115829]  ? mark_held_locks+0xc7/0x130
[  266.119981]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.124485]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.128984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.133220]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.137818]  ? trace_hardirqs_on+0xbd/0x310
[  266.142142]  ? kasan_check_read+0x11/0x20
[  266.146296]  ? __run_timers+0x7da/0xc70
[  266.150281]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.155394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.159633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.163866]  __run_timers+0x7e5/0xc70
[  266.167680]  ? timer_fixup_init+0x70/0x70
[  266.171831]  ? kasan_check_read+0x11/0x20
[  266.175977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.181265]  ? rcu_softirq_qs+0x20/0x20
[  266.185254]  ? mark_held_locks+0xc7/0x130
[  266.189417]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.194174]  ? retint_kernel+0x2d/0x2d
[  266.198063]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.202998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.207754]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.213205]  ? zap_class+0x640/0x640
[  266.216933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.222472]  ? check_preemption_disabled+0x48/0x280
[  266.227497]  ? __lock_is_held+0xb5/0x140
[  266.231559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.237097]  ? check_preemption_disabled+0x48/0x280
[  266.242117]  run_timer_softirq+0x52/0xb0
[  266.246179]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.251198]  __do_softirq+0x308/0xb7e
[  266.255000]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.259499]  ? lock_downgrade+0x900/0x900
[  266.263651]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.268762]  ? pvclock_read_flags+0x160/0x160
[  266.273274]  ? lapic_next_event+0x5a/0x90
[  266.277424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.282969]  ? kvm_clock_read+0x18/0x30
[  266.286944]  ? kvm_sched_clock_read+0x9/0x20
[  266.291358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.296901]  ? check_preemption_disabled+0x48/0x280
[  266.301926]  irq_exit+0x17f/0x1c0
[  266.305389]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.310248]  ? smp_reschedule_interrupt+0x109/0x650
[  266.315287]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.321175]  ? interrupt_entry+0xb5/0xc0
[  266.325243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.330273]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.335296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.340138]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.345156]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.350170]  ? task_prio+0x50/0x50
[  266.353713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.359273]  ? check_preemption_disabled+0x48/0x280
[  266.364755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.369606]  apic_timer_interrupt+0xf/0x20
[  266.373831]  </IRQ>
[  266.376069] RIP: 0010:dump_stack+0x358/0x39d
[  266.380480] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  266.399381] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  266.407088] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  266.414358] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  266.421623] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  266.428897] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  266.436170] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  266.443473]  ? dump_stack+0x34f/0x39d
[  266.447295]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.452489]  ? mark_held_locks+0x130/0x130
[  266.456723]  ? mark_held_locks+0x130/0x130
[  266.460964]  dump_header+0x27b/0xf72
[  266.464690]  ? pagefault_out_of_memory+0x197/0x197
[  266.470671]  ? __lock_acquire+0x62f/0x4c20
[  266.474909]  ? percpu_ref_get_many+0x240/0x240
[  266.479493]  ? print_usage_bug+0xc0/0xc0
[  266.483563]  ? zap_class+0x640/0x640
[  266.487288]  ? print_usage_bug+0xc0/0xc0
[  266.491355]  ? print_usage_bug+0xc0/0xc0
[  266.495443]  ? zap_class+0x640/0x640
[  266.499156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.504704]  ? find_held_lock+0x36/0x1c0
[  266.508813]  ? mark_held_locks+0xc7/0x130
[  266.512962]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.518066]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.523173]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  266.527758]  ? trace_hardirqs_on+0xbd/0x310
[  266.532078]  ? kasan_check_read+0x11/0x20
[  266.536228]  ? ___ratelimit+0x3b4/0x672
[  266.540217]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.545336]  ? trace_hardirqs_on+0x310/0x310
[  266.549769]  ? lock_downgrade+0x900/0x900
[  266.553924]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.559032]  ? ___ratelimit+0x3b9/0x672
[  266.563010]  ? idr_get_free+0xf70/0xf70
[  266.566986]  ? find_held_lock+0x36/0x1c0
[  266.571063]  oom_kill_process.cold.27+0x10/0x903
[  266.575821]  ? zap_class+0x640/0x640
[  266.579537]  ? check_preemption_disabled+0x48/0x280
[  266.584555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.589484]  ? kasan_check_read+0x11/0x20
[  266.593633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.598918]  ? oom_evaluate_task+0x540/0x540
[  266.603329]  ? find_held_lock+0x36/0x1c0
[  266.607397]  ? out_of_memory+0x974/0x1430
[  266.611546]  ? lock_downgrade+0x900/0x900
[  266.615694]  ? check_preemption_disabled+0x48/0x280
[  266.620713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.625642]  ? kasan_check_read+0x11/0x20
[  266.629788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.635064]  ? rcu_softirq_qs+0x20/0x20
[  266.639042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.644579]  ? oom_evaluate_task+0x302/0x540
[  266.648996]  out_of_memory+0xa84/0x1430
[  266.652991]  ? oom_killer_disable+0x3a0/0x3a0
[  266.657485]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  266.662419]  ? __ww_mutex_check_waiters+0x160/0x160
[  266.667446]  __alloc_pages_slowpath+0x232c/0x2de0
[  266.672322]  ? warn_alloc+0x120/0x120
[  266.676125]  ? mark_held_locks+0x130/0x130
[  266.680374]  ? find_get_entry+0xaae/0x1120
[  266.684617]  ? filemap_map_pages+0x1a20/0x1a20
[  266.689203]  ? zap_class+0x640/0x640
[  266.692932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.698480]  ? check_preemption_disabled+0x48/0x280
[  266.703501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.709038]  ? should_fail+0x22d/0xd01
[  266.712931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.718037]  ? zap_class+0x640/0x640
[  266.721777]  ? __lock_is_held+0xb5/0x140
[  266.725849]  ? mark_held_locks+0x130/0x130
[  266.730086]  ? lock_release+0xa00/0xa00
[  266.734059]  ? perf_trace_sched_process_exec+0x860/0x860
[  266.739511]  ? xa_load+0x2ba/0x460
[  266.743057]  ? lock_downgrade+0x900/0x900
[  266.747211]  ? __might_sleep+0x95/0x190
[  266.751199]  __alloc_pages_nodemask+0xad8/0xea0
[  266.755881]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  266.760898]  ? __page_cache_alloc+0x191/0x5c0
[  266.765394]  ? xa_load+0x2e1/0x460
[  266.768941]  ? xa_clear_mark+0x40/0x40
[  266.772831]  ? zap_class+0x640/0x640
[  266.776551]  ? zap_class+0x640/0x640
[  266.780277]  ? zap_class+0x640/0x640
[  266.783991]  ? __do_page_cache_readahead+0x663/0x810
[  266.789096]  ? find_held_lock+0x36/0x1c0
[  266.793166]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  266.798714]  alloc_pages_current+0x173/0x350
[  266.803128]  __page_cache_alloc+0x38c/0x5c0
[  266.807447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.812375]  ? kasan_check_read+0x11/0x20
[  266.816534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.821816]  ? generic_perform_write+0x6a0/0x6a0
[  266.826573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.832115]  ? check_preemption_disabled+0x48/0x280
[  266.837140]  filemap_fault+0x1595/0x25f0
[  266.841219]  ? __lock_page_or_retry+0xa00/0xa00
[  266.845904]  ? mark_held_locks+0x130/0x130
[  266.850147]  ? filemap_map_pages+0xd6b/0x1a20
[  266.854647]  ? lock_downgrade+0x900/0x900
[  266.858796]  ? check_preemption_disabled+0x48/0x280
[  266.863833]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.868765]  ? kasan_check_read+0x11/0x20
[  266.872914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.878189]  ? rcu_softirq_qs+0x20/0x20
[  266.882176]  ? filemap_map_pages+0xd92/0x1a20
[  266.886686]  ? find_get_entries_tag+0x1400/0x1400
[  266.891552]  ? lock_acquire+0x1ed/0x520
[  266.895530]  ? ext4_filemap_fault+0x7a/0xad
[  266.899861]  ? lock_release+0xa00/0xa00
[  266.903834]  ? perf_trace_sched_process_exec+0x860/0x860
[  266.909290]  ? mark_held_locks+0x130/0x130
[  266.913525]  ? print_usage_bug+0xc0/0xc0
[  266.917585]  ? print_usage_bug+0xc0/0xc0
[  266.921657]  ? down_read+0x8d/0x120
[  266.925292]  ? ext4_filemap_fault+0x7a/0xad
[  266.929616]  ? __down_interruptible+0x700/0x700
[  266.934295]  ext4_filemap_fault+0x82/0xad
[  266.938451]  __do_fault+0x100/0x6b0
[  266.942087]  ? pmd_devmap_trans_unstable+0x220/0x220
[  266.947196]  ? mark_held_locks+0x130/0x130
[  266.951436]  ? mark_held_locks+0x130/0x130
[  266.955678]  ? hrtimer_forward+0x2a0/0x2a0
[  266.959911]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  266.964756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.970300]  __handle_mm_fault+0x3ea6/0x5be0
[  266.974716]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  266.979573]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.984674]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.989778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  266.994367]  ? trace_hardirqs_on+0xbd/0x310
[  266.998686]  ? kasan_check_read+0x11/0x20
[  267.002834]  ? __free_object+0x173/0x340
[  267.006908]  ? zap_class+0x640/0x640
[  267.010622]  ? zap_class+0x640/0x640
[  267.014361]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.019473]  ? find_held_lock+0x36/0x1c0
[  267.023546]  ? handle_mm_fault+0x42a/0xc70
[  267.027782]  ? lock_downgrade+0x900/0x900
[  267.031936]  ? check_preemption_disabled+0x48/0x280
[  267.036959]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.041890]  ? kasan_check_read+0x11/0x20
[  267.046035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.051309]  ? rcu_softirq_qs+0x20/0x20
[  267.055293]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.060398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.065939]  ? check_preemption_disabled+0x48/0x280
[  267.070964]  handle_mm_fault+0x54f/0xc70
[  267.075028]  ? __handle_mm_fault+0x5be0/0x5be0
[  267.079620]  ? find_vma+0x34/0x190
[  267.083167]  __do_page_fault+0x5e8/0xe60
[  267.087232]  ? trace_hardirqs_off+0xb8/0x310
[  267.091672]  do_page_fault+0xf2/0x7e0
[  267.095473]  ? vmalloc_sync_all+0x30/0x30
[  267.099622]  ? error_entry+0x70/0xd0
[  267.103338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.108361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.113295]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.118228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.123089]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.128108]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.133560]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.138580]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.143597]  ? page_fault+0x8/0x30
[  267.147142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.151991]  ? page_fault+0x8/0x30
[  267.155529]  page_fault+0x1e/0x30
[  267.158978] RIP: 0033:0x7f4afc2d3e40
[  267.162700] Code: Bad RIP value.
[  267.166062] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  267.171425] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  267.178693] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  267.185964] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  267.193232] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  267.200517] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  267.207816] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  267.207821] warn_alloc_show_mem: 1 callbacks suppressed
[  267.207828] Mem-Info:
[  267.215186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.220558] active_anon:57379 inactive_anon:189 isolated_anon:0
[  267.220558]  active_file:13 inactive_file:16 isolated_file:0
[  267.220558]  unevictable:0 dirty:0 writeback:0 unstable:0
[  267.220558]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  267.220558]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  267.220558]  free:13771 free_pcp:208 free_cma:0
[  267.222929] Call Trace:
[  267.232323] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  267.265169]  <IRQ>
[  267.267746] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  267.295261]  dump_stack+0x244/0x39d
[  267.297391] lowmem_reserve[]: 0 2818 6321 6321
[  267.323511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.327111] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  267.331692]  warn_alloc.cold.116+0xb7/0x1bd
[  267.336844] lowmem_reserve[]: 0 0 3503 3503
[  267.364433]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.368728] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  267.373043]  ? lock_downgrade+0x900/0x900
[  267.377859] lowmem_reserve[]: 0 0 0 0
[  267.406765]  ? trace_hardirqs_off+0xb8/0x310
[  267.410877] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  267.414673]  ? trace_hardirqs_off+0xb8/0x310
[  267.419050] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  267.432573]  __alloc_pages_slowpath+0x2651/0x2de0
[  267.436948] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  267.452401]  ? warn_alloc+0x120/0x120
[  267.457206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  267.471767]  ? print_usage_bug+0xc0/0xc0
[  267.475540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  267.484362]  ? warn_alloc+0x120/0x120
[  267.488400] 273 total pagecache pages
[  267.496970]  ? warn_alloc+0x120/0x120
[  267.500753] 0 pages in swap cache
[  267.504554]  ? print_usage_bug+0xc0/0xc0
[  267.508338] Swap cache stats: add 0, delete 0, find 0/0
[  267.511800]  ? kvm_clock_read+0x18/0x30
[  267.515837] Free swap  = 0kB
[  267.521193]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.525137] Total swap = 0kB
[  267.528153]  ? print_usage_bug+0xc0/0xc0
[  267.533143] 1965979 pages RAM
[  267.536152]  ? __lock_acquire+0x62f/0x4c20
[  267.540186] 0 pages HighMem/MovableOnly
[  267.543295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.547504] 342853 pages reserved
[  267.551471]  ? should_fail+0x22d/0xd01
[  267.556979] 0 pages cma reserved
[  267.560427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.564353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.567639]  ? __lock_acquire+0x62f/0x4c20
[  267.567658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.567675]  ? __lock_acquire+0x62f/0x4c20
[  267.572809] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.579250]  ? should_fail+0x22d/0xd01
[  267.583462] cron cpuset=/ mems_allowed=0
[  267.588561]  ? mark_held_locks+0x130/0x130
[  267.614595]  ? mark_held_locks+0x130/0x130
[  267.618842]  ? zap_class+0x640/0x640
[  267.622555]  ? print_usage_bug+0xc0/0xc0
[  267.626623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.632171]  ? check_preemption_disabled+0x48/0x280
[  267.637197]  ? __lock_is_held+0xb5/0x140
[  267.641270]  __alloc_pages_nodemask+0xad8/0xea0
[  267.645944]  ? zap_class+0x640/0x640
[  267.649663]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  267.654690]  ? find_held_lock+0x36/0x1c0
[  267.658764]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.663435]  ? lock_downgrade+0x900/0x900
[  267.667591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.673132]  cache_grow_begin+0xa5/0x8c0
[  267.677195]  ? do_raw_spin_unlock+0xa7/0x330
[  267.681611]  fallback_alloc+0x204/0x2e0
[  267.685594]  ____cache_alloc_node+0x1c7/0x1e0
[  267.690092]  kmem_cache_alloc_node+0xe3/0x730
[  267.694587]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.698832]  __alloc_skb+0x119/0x770
[  267.702551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.707833]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.712249]  ? lock_downgrade+0x900/0x900
[  267.716411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.721949]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.727402]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.732852]  ? addrconf_rs_timer+0x690/0x690
[  267.737276]  ndisc_alloc_skb+0x144/0x340
[  267.741342]  ndisc_send_rs+0x331/0x6e0
[  267.745247]  addrconf_rs_timer+0x314/0x690
[  267.749490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.753737]  call_timer_fn+0x272/0x920
[  267.757629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.761865]  ? process_timeout+0x40/0x40
[  267.765932]  ? __run_timers+0x7da/0xc70
[  267.769916]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.774412]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.778902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.783141]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.787724]  ? trace_hardirqs_on+0xbd/0x310
[  267.792045]  ? kasan_check_read+0x11/0x20
[  267.796189]  ? __run_timers+0x7da/0xc70
[  267.800169]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.805314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.809544]  __run_timers+0x7e5/0xc70
[  267.813356]  ? timer_fixup_init+0x70/0x70
[  267.817511]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.822529]  ? zap_class+0x640/0x640
[  267.826256]  ? enqueue_hrtimer+0x1a5/0x560
[  267.830492]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.835688]  ? find_held_lock+0x36/0x1c0
[  267.839762]  ? zap_class+0x640/0x640
[  267.843480]  ? pvclock_read_flags+0x160/0x160
[  267.847981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.853522]  ? check_preemption_disabled+0x48/0x280
[  267.858545]  ? __lock_is_held+0xb5/0x140
[  267.862610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.868148]  ? check_preemption_disabled+0x48/0x280
[  267.873167]  run_timer_softirq+0x52/0xb0
[  267.877226]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.882259]  __do_softirq+0x308/0xb7e
[  267.886064]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.890555]  ? lock_downgrade+0x900/0x900
[  267.894708]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.899823]  ? pvclock_read_flags+0x160/0x160
[  267.904323]  ? lapic_next_event+0x5a/0x90
[  267.908472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.914015]  ? kvm_clock_read+0x18/0x30
[  267.917987]  ? kvm_sched_clock_read+0x9/0x20
[  267.922401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.927938]  ? check_preemption_disabled+0x48/0x280
[  267.932966]  irq_exit+0x17f/0x1c0
[  267.936420]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.941266]  ? smp_reschedule_interrupt+0x109/0x650
[  267.946283]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.952170]  ? interrupt_entry+0xb5/0xc0
[  267.956243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.961266]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.966283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.971130]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.976144]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.981163]  ? task_prio+0x50/0x50
[  267.984708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.990260]  ? check_preemption_disabled+0x48/0x280
[  267.995284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.000135]  apic_timer_interrupt+0xf/0x20
[  268.004366]  </IRQ>
[  268.006605] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  268.011535] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  268.030456] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  268.038163] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  268.045428] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  268.052694] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  268.059958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  268.067227] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  268.074544]  skb_clone+0x1bb/0x500
[  268.078098]  ? finish_task_switch+0x1b4/0x910
[  268.082593]  ? skb_split+0x11e0/0x11e0
[  268.086481]  ? preempt_notifier_register+0x200/0x200
[  268.091583]  ? __switch_to_asm+0x34/0x70
[  268.095641]  ? __switch_to_asm+0x34/0x70
[  268.099701]  ? __switch_to_asm+0x40/0x70
[  268.103765]  ? __switch_to_asm+0x34/0x70
[  268.107821]  ? __switch_to_asm+0x40/0x70
[  268.111878]  ? __switch_to_asm+0x34/0x70
[  268.115940]  ? __switch_to_asm+0x40/0x70
[  268.119998]  ? __switch_to_asm+0x34/0x70
[  268.124058]  ? __switch_to_asm+0x34/0x70
[  268.128118]  ? __switch_to_asm+0x40/0x70
[  268.132173]  ? __switch_to_asm+0x34/0x70
[  268.136245]  bpf_clone_redirect+0xb9/0x490
[  268.140481]  ? __schedule+0x8d7/0x21d0
[  268.144380]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  268.149397]  ? __sched_text_start+0x8/0x8
[  268.153552]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.158310]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.162892]  ? retint_kernel+0x2d/0x2d
[  268.166796]  ? find_held_lock+0x36/0x1c0
[  268.170868]  ? lock_acquire+0x1ed/0x520
[  268.174845]  ? bpf_test_run+0x3ee/0x7a0
[  268.178825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.184363]  ? check_preemption_disabled+0x48/0x280
[  268.189383]  ? kasan_check_read+0x11/0x20
[  268.193529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.198805]  ? rcu_softirq_qs+0x20/0x20
[  268.202782]  ? preempt_schedule+0x4d/0x60
[  268.206935]  ? ___preempt_schedule+0x16/0x18
[  268.211349]  ? bpf_test_run+0x271/0x7a0
[  268.215340]  ? netlink_diag_dump+0x2a0/0x2a0
[  268.219750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.225293]  ? bpf_test_init.isra.10+0x70/0x100
[  268.229968]  ? bpf_prog_test_run_skb+0x762/0xd60
[  268.234735]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  268.239587]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  268.245122]  ? fput+0x130/0x1a0
[  268.248402]  ? __bpf_prog_get+0x9b/0x290
[  268.252471]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  268.257313]  ? bpf_prog_test_run+0x130/0x1a0
[  268.261724]  ? __x64_sys_bpf+0x3d8/0x520
[  268.265789]  ? bpf_prog_get+0x20/0x20
[  268.269604]  ? do_syscall_64+0x1e1/0x820
[  268.273672]  ? do_syscall_64+0x1b9/0x820
[  268.277736]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.283108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.288037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.292883]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.297901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.302918]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.307942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.312795]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.318187] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  268.318296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.324704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.324709] Call Trace:
[  268.324716]  <IRQ>
[  268.324734]  dump_stack+0x244/0x39d
[  268.324756]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.331296] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.340599]  warn_alloc.cold.116+0xb7/0x1bd
[  268.343158] syz-executor5 cpuset=syz5 mems_allowed=0
[  268.345303]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.379221]  ? lock_downgrade+0x900/0x900
[  268.383388]  ? trace_hardirqs_off+0xb8/0x310
[  268.387803]  ? trace_hardirqs_off+0xb8/0x310
[  268.392217]  __alloc_pages_slowpath+0x2651/0x2de0
[  268.397101]  ? warn_alloc+0x120/0x120
[  268.400906]  ? print_usage_bug+0xc0/0xc0
[  268.404970]  ? warn_alloc+0x120/0x120
[  268.408772]  ? warn_alloc+0x120/0x120
[  268.412577]  ? print_usage_bug+0xc0/0xc0
[  268.416642]  ? print_usage_bug+0xc0/0xc0
[  268.420702]  ? __lock_acquire+0x62f/0x4c20
[  268.424949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.430488]  ? should_fail+0x22d/0xd01
[  268.434381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.439482]  ? __lock_acquire+0x62f/0x4c20
[  268.443806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.448905]  ? __lock_acquire+0x62f/0x4c20
[  268.453136]  ? should_fail+0x22d/0xd01
[  268.457023]  ? find_held_lock+0x36/0x1c0
[  268.461095]  ? mark_held_locks+0x130/0x130
[  268.465339]  ? mark_held_locks+0x130/0x130
[  268.469572]  ? zap_class+0x640/0x640
[  268.473294]  ? zap_class+0x640/0x640
[  268.477013]  ? print_usage_bug+0xc0/0xc0
[  268.481077]  ? do_raw_spin_unlock+0xa7/0x330
[  268.485486]  ? zap_class+0x640/0x640
[  268.489197]  ? print_usage_bug+0xc0/0xc0
[  268.493273]  ? wq_watchdog_touch+0x9c/0xfe
[  268.497632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.503170]  ? check_preemption_disabled+0x48/0x280
[  268.508194]  ? __lock_is_held+0xb5/0x140
[  268.512273]  __alloc_pages_nodemask+0xad8/0xea0
[  268.516941]  ? zap_class+0x640/0x640
[  268.520671]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  268.525703]  ? find_held_lock+0x36/0x1c0
[  268.529772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.534444]  ? lock_downgrade+0x900/0x900
[  268.538603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.544145]  cache_grow_begin+0xa5/0x8c0
[  268.548207]  ? do_raw_spin_unlock+0xa7/0x330
[  268.552629]  fallback_alloc+0x204/0x2e0
[  268.556625]  ____cache_alloc_node+0x1c7/0x1e0
[  268.561127]  kmem_cache_alloc_node+0xe3/0x730
[  268.565622]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.569868]  __alloc_skb+0x119/0x770
[  268.573580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.578863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.583280]  ? lock_downgrade+0x900/0x900
[  268.587436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.592978]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.598430]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.603881]  ? addrconf_rs_timer+0x690/0x690
[  268.608312]  ndisc_alloc_skb+0x144/0x340
[  268.612378]  ndisc_send_rs+0x331/0x6e0
[  268.616284]  addrconf_rs_timer+0x314/0x690
[  268.620525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.624767]  call_timer_fn+0x272/0x920
[  268.628653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.632887]  ? process_timeout+0x40/0x40
[  268.636968]  ? mark_held_locks+0xc7/0x130
[  268.641120]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.645610]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.650100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.654336]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.658932]  ? trace_hardirqs_on+0xbd/0x310
[  268.663296]  ? kasan_check_read+0x11/0x20
[  268.667441]  ? __run_timers+0x7da/0xc70
[  268.671415]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.676526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.680766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.685000]  __run_timers+0x7e5/0xc70
[  268.688808]  ? timer_fixup_init+0x70/0x70
[  268.692958]  ? kasan_check_read+0x11/0x20
[  268.697103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.702379]  ? rcu_softirq_qs+0x20/0x20
[  268.706357]  ? mark_held_locks+0xc7/0x130
[  268.710506]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.715289]  ? retint_kernel+0x2d/0x2d
[  268.719176]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.724104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.728858]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.734314]  ? zap_class+0x640/0x640
[  268.738033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.743583]  ? check_preemption_disabled+0x48/0x280
[  268.748608]  ? __lock_is_held+0xb5/0x140
[  268.752670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.758208]  ? check_preemption_disabled+0x48/0x280
[  268.763246]  run_timer_softirq+0x52/0xb0
[  268.767318]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.772336]  __do_softirq+0x308/0xb7e
[  268.776139]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  268.780631]  ? lock_downgrade+0x900/0x900
[  268.784785]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.789894]  ? pvclock_read_flags+0x160/0x160
[  268.794390]  ? lapic_next_event+0x5a/0x90
[  268.798541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.804083]  ? kvm_clock_read+0x18/0x30
[  268.808058]  ? kvm_sched_clock_read+0x9/0x20
[  268.812467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.818004]  ? check_preemption_disabled+0x48/0x280
[  268.823028]  irq_exit+0x17f/0x1c0
[  268.826485]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.831324]  ? smp_reschedule_interrupt+0x109/0x650
[  268.836342]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.842227]  ? interrupt_entry+0xb5/0xc0
[  268.846303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.851322]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.856343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.861190]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.866207]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.871229]  ? task_prio+0x50/0x50
[  268.874815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.880353]  ? check_preemption_disabled+0x48/0x280
[  268.885375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.890228]  apic_timer_interrupt+0xf/0x20
[  268.894482]  </IRQ>
[  268.896725] RIP: 0010:dump_stack+0x358/0x39d
[  268.901133] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  268.920037] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  268.927747] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  268.935012] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  268.942280] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  268.949549] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  268.956815] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  268.964105]  ? dump_stack+0x34f/0x39d
[  268.967917]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.973118]  ? mark_held_locks+0x130/0x130
[  268.977352]  ? mark_held_locks+0x130/0x130
[  268.981596]  dump_header+0x27b/0xf72
[  268.985323]  ? pagefault_out_of_memory+0x197/0x197
[  268.990281]  ? __lock_acquire+0x62f/0x4c20
[  268.994518]  ? percpu_ref_get_many+0x240/0x240
[  268.999103]  ? print_usage_bug+0xc0/0xc0
[  269.003169]  ? zap_class+0x640/0x640
[  269.006883]  ? print_usage_bug+0xc0/0xc0
[  269.010943]  ? print_usage_bug+0xc0/0xc0
[  269.015004]  ? zap_class+0x640/0x640
[  269.018729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.024284]  ? find_held_lock+0x36/0x1c0
[  269.028360]  ? mark_held_locks+0xc7/0x130
[  269.032511]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.037616]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.042718]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  269.047305]  ? trace_hardirqs_on+0xbd/0x310
[  269.051630]  ? kasan_check_read+0x11/0x20
[  269.055782]  ? ___ratelimit+0x3b4/0x672
[  269.059758]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.064867]  ? trace_hardirqs_on+0x310/0x310
[  269.069281]  ? lock_downgrade+0x900/0x900
[  269.073437]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.078538]  ? ___ratelimit+0x3b9/0x672
[  269.082511]  ? idr_get_free+0xf70/0xf70
[  269.086485]  ? find_held_lock+0x36/0x1c0
[  269.090554]  oom_kill_process.cold.27+0x10/0x903
[  269.095319]  ? zap_class+0x640/0x640
[  269.099038]  ? check_preemption_disabled+0x48/0x280
[  269.104059]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.108987]  ? kasan_check_read+0x11/0x20
[  269.113133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.118413]  ? oom_evaluate_task+0x540/0x540
[  269.122823]  ? find_held_lock+0x36/0x1c0
[  269.126912]  ? out_of_memory+0x974/0x1430
[  269.131064]  ? lock_downgrade+0x900/0x900
[  269.135212]  ? check_preemption_disabled+0x48/0x280
[  269.140254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.145192]  ? kasan_check_read+0x11/0x20
[  269.149340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.154614]  ? rcu_softirq_qs+0x20/0x20
[  269.158594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.164128]  ? oom_evaluate_task+0x302/0x540
[  269.168539]  out_of_memory+0xa84/0x1430
[  269.172525]  ? oom_killer_disable+0x3a0/0x3a0
[  269.177022]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  269.181956]  ? __ww_mutex_check_waiters+0x160/0x160
[  269.186981]  __alloc_pages_slowpath+0x232c/0x2de0
[  269.191860]  ? warn_alloc+0x120/0x120
[  269.195665]  ? mark_held_locks+0x130/0x130
[  269.199906]  ? find_get_entry+0xaae/0x1120
[  269.204150]  ? filemap_map_pages+0x1a20/0x1a20
[  269.208737]  ? zap_class+0x640/0x640
[  269.212465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.218004]  ? check_preemption_disabled+0x48/0x280
[  269.223023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.228562]  ? should_fail+0x22d/0xd01
[  269.232455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.237563]  ? zap_class+0x640/0x640
[  269.241306]  ? __lock_is_held+0xb5/0x140
[  269.245374]  ? mark_held_locks+0x130/0x130
[  269.249610]  ? lock_release+0xa00/0xa00
[  269.253585]  ? perf_trace_sched_process_exec+0x860/0x860
[  269.259042]  ? xa_load+0x2ba/0x460
[  269.262582]  ? lock_downgrade+0x900/0x900
[  269.266737]  ? __might_sleep+0x95/0x190
[  269.270715]  __alloc_pages_nodemask+0xad8/0xea0
[  269.275390]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  269.280412]  ? __page_cache_alloc+0x191/0x5c0
[  269.284909]  ? xa_load+0x2e1/0x460
[  269.288452]  ? xa_clear_mark+0x40/0x40
[  269.292355]  ? zap_class+0x640/0x640
[  269.296076]  ? zap_class+0x640/0x640
[  269.299788]  ? zap_class+0x640/0x640
[  269.303509]  ? __do_page_cache_readahead+0x663/0x810
[  269.308616]  ? find_held_lock+0x36/0x1c0
[  269.312688]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  269.318231]  alloc_pages_current+0x173/0x350
[  269.322658]  __page_cache_alloc+0x38c/0x5c0
[  269.326975]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.331903]  ? kasan_check_read+0x11/0x20
[  269.336051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.341329]  ? generic_perform_write+0x6a0/0x6a0
[  269.346085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.351627]  ? check_preemption_disabled+0x48/0x280
[  269.356656]  filemap_fault+0x1595/0x25f0
[  269.360731]  ? __lock_page_or_retry+0xa00/0xa00
[  269.365401]  ? mark_held_locks+0x130/0x130
[  269.369650]  ? filemap_map_pages+0xd6b/0x1a20
[  269.374150]  ? lock_downgrade+0x900/0x900
[  269.378303]  ? check_preemption_disabled+0x48/0x280
[  269.383324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.388266]  ? kasan_check_read+0x11/0x20
[  269.392418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.397692]  ? rcu_softirq_qs+0x20/0x20
[  269.401717]  ? filemap_map_pages+0xd92/0x1a20
[  269.406226]  ? find_get_entries_tag+0x1400/0x1400
[  269.411102]  ? lock_acquire+0x1ed/0x520
[  269.415080]  ? ext4_filemap_fault+0x7a/0xad
[  269.419407]  ? lock_release+0xa00/0xa00
[  269.423380]  ? perf_trace_sched_process_exec+0x860/0x860
[  269.428832]  ? mark_held_locks+0x130/0x130
[  269.433068]  ? print_usage_bug+0xc0/0xc0
[  269.437128]  ? print_usage_bug+0xc0/0xc0
[  269.441201]  ? down_read+0x8d/0x120
[  269.444835]  ? ext4_filemap_fault+0x7a/0xad
[  269.449160]  ? __down_interruptible+0x700/0x700
[  269.453838]  ext4_filemap_fault+0x82/0xad
[  269.457992]  __do_fault+0x100/0x6b0
[  269.461624]  ? pmd_devmap_trans_unstable+0x220/0x220
[  269.466735]  ? mark_held_locks+0x130/0x130
[  269.470974]  ? mark_held_locks+0x130/0x130
[  269.475213]  ? hrtimer_forward+0x2a0/0x2a0
[  269.479451]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  269.484473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.490019]  __handle_mm_fault+0x3ea6/0x5be0
[  269.494436]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  269.499283]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.504387]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.509489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  269.514076]  ? trace_hardirqs_on+0xbd/0x310
[  269.518396]  ? kasan_check_read+0x11/0x20
[  269.522544]  ? __free_object+0x173/0x340
[  269.526624]  ? zap_class+0x640/0x640
[  269.530339]  ? zap_class+0x640/0x640
[  269.534048]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.539155]  ? find_held_lock+0x36/0x1c0
[  269.543231]  ? handle_mm_fault+0x42a/0xc70
[  269.547479]  ? lock_downgrade+0x900/0x900
[  269.551627]  ? check_preemption_disabled+0x48/0x280
[  269.556645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.561575]  ? kasan_check_read+0x11/0x20
[  269.565724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.571000]  ? rcu_softirq_qs+0x20/0x20
[  269.574975]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.580079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.585621]  ? check_preemption_disabled+0x48/0x280
[  269.590659]  handle_mm_fault+0x54f/0xc70
[  269.594730]  ? __handle_mm_fault+0x5be0/0x5be0
[  269.599315]  ? find_vma+0x34/0x190
[  269.602863]  __do_page_fault+0x5e8/0xe60
[  269.606925]  ? trace_hardirqs_off+0xb8/0x310
[  269.611342]  do_page_fault+0xf2/0x7e0
[  269.615146]  ? vmalloc_sync_all+0x30/0x30
[  269.619295]  ? error_entry+0x70/0xd0
[  269.623010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.628029]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.632959]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.637887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.642734]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.647754]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.653206]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.658228]  ? prepare_exit_to_usermode+0x291/0x3b0
[  269.663268]  ? page_fault+0x8/0x30
[  269.666814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.671662]  ? page_fault+0x8/0x30
[  269.675205]  page_fault+0x1e/0x30
[  269.678666] RIP: 0033:0x7f4afc2d3e40
[  269.682390] Code: Bad RIP value.
[  269.685749] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  269.691112] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  269.698377] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  269.705644] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  269.712909] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  269.720173] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  269.727471] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  269.727477] warn_alloc_show_mem: 1 callbacks suppressed
[  269.727484] Mem-Info:
[  269.734840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.734849] Call Trace:
[  269.740219] active_anon:57379 inactive_anon:189 isolated_anon:0
[  269.740219]  active_file:13 inactive_file:16 isolated_file:0
[  269.740219]  unevictable:0 dirty:0 writeback:0 unstable:0
[  269.740219]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  269.740219]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  269.740219]  free:13771 free_pcp:208 free_cma:0
[  269.742592]  <IRQ>
[  269.751955] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  269.754538]  dump_stack+0x244/0x39d
[  269.787390] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  269.789542]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.817012] lowmem_reserve[]: 0 2818 6321 6321
[  269.820643]  warn_alloc.cold.116+0xb7/0x1bd
[  269.846720] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  269.851911]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.856465] lowmem_reserve[]: 0 0 3503 3503
[  269.860787]  ? lock_downgrade+0x900/0x900
[  269.888348] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  269.893197]  ? trace_hardirqs_off+0xb8/0x310
[  269.897484] lowmem_reserve[]: 0 0 0 0
[  269.901630]  ? trace_hardirqs_off+0xb8/0x310
[  269.930494] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  269.934905]  __alloc_pages_slowpath+0x2651/0x2de0
[  269.938669] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  269.943095]  ? warn_alloc+0x120/0x120
[  269.956572] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  269.961412]  ? print_usage_bug+0xc0/0xc0
[  269.976825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.980619]  ? warn_alloc+0x120/0x120
[  269.995162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.999210]  ? warn_alloc+0x120/0x120
[  270.008016] 273 total pagecache pages
[  270.011813]  ? print_usage_bug+0xc0/0xc0
[  270.020367] 0 pages in swap cache
[  270.024154]  ? print_usage_bug+0xc0/0xc0
[  270.027929] Swap cache stats: add 0, delete 0, find 0/0
[  270.031979]  ? __lock_acquire+0x62f/0x4c20
[  270.035406] Free swap  = 0kB
[  270.039463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.044796] Total swap = 0kB
[  270.049025]  ? should_fail+0x22d/0xd01
[  270.052017] 1965979 pages RAM
[  270.057546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.060543] 0 pages HighMem/MovableOnly
[  270.064423]  ? __lock_acquire+0x62f/0x4c20
[  270.067502] 342853 pages reserved
[  270.072595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.076541] 0 pages cma reserved
[  270.080774]  ? __lock_acquire+0x62f/0x4c20
[  270.084267] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.089281]  ? should_fail+0x22d/0xd01
[  270.089295]  ? find_held_lock+0x36/0x1c0
[  270.089316]  ? mark_held_locks+0x130/0x130
[  270.092717] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.096889]  ? mark_held_locks+0x130/0x130
[  270.103358] cron cpuset=/ mems_allowed=0
[  270.107244]  ? zap_class+0x640/0x640
[  270.137161]  ? zap_class+0x640/0x640
[  270.140877]  ? print_usage_bug+0xc0/0xc0
[  270.144938]  ? do_raw_spin_unlock+0xa7/0x330
[  270.149349]  ? zap_class+0x640/0x640
[  270.153060]  ? print_usage_bug+0xc0/0xc0
[  270.157125]  ? wq_watchdog_touch+0x9c/0xfe
[  270.161365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.166903]  ? check_preemption_disabled+0x48/0x280
[  270.171933]  ? __lock_is_held+0xb5/0x140
[  270.176004]  __alloc_pages_nodemask+0xad8/0xea0
[  270.180671]  ? zap_class+0x640/0x640
[  270.184390]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  270.189415]  ? find_held_lock+0x36/0x1c0
[  270.193488]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.198159]  ? lock_downgrade+0x900/0x900
[  270.202316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.207863]  cache_grow_begin+0xa5/0x8c0
[  270.211928]  ? do_raw_spin_unlock+0xa7/0x330
[  270.216347]  fallback_alloc+0x204/0x2e0
[  270.220327]  ____cache_alloc_node+0x1c7/0x1e0
[  270.224833]  kmem_cache_alloc_node+0xe3/0x730
[  270.229332]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.233575]  __alloc_skb+0x119/0x770
[  270.237289]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.242573]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.246982]  ? lock_downgrade+0x900/0x900
[  270.251138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.256677]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.262131]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.267586]  ? addrconf_rs_timer+0x690/0x690
[  270.272007]  ndisc_alloc_skb+0x144/0x340
[  270.276075]  ndisc_send_rs+0x331/0x6e0
[  270.279973]  addrconf_rs_timer+0x314/0x690
[  270.284218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.288483]  call_timer_fn+0x272/0x920
[  270.292369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.296602]  ? process_timeout+0x40/0x40
[  270.300667]  ? __run_timers+0x7da/0xc70
[  270.304641]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.309136]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.313630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.317868]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.322453]  ? trace_hardirqs_on+0xbd/0x310
[  270.326779]  ? kasan_check_read+0x11/0x20
[  270.330929]  ? __run_timers+0x7da/0xc70
[  270.334905]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.340017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.344265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.348500]  __run_timers+0x7e5/0xc70
[  270.352571]  ? timer_fixup_init+0x70/0x70
[  270.356723]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.361744]  ? zap_class+0x640/0x640
[  270.365646]  ? enqueue_hrtimer+0x1a5/0x560
[  270.369884]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.375080]  ? find_held_lock+0x36/0x1c0
[  270.379148]  ? zap_class+0x640/0x640
[  270.382865]  ? pvclock_read_flags+0x160/0x160
[  270.387366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.392904]  ? check_preemption_disabled+0x48/0x280
[  270.397928]  ? __lock_is_held+0xb5/0x140
[  270.401997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.407538]  ? check_preemption_disabled+0x48/0x280
[  270.412557]  run_timer_softirq+0x52/0xb0
[  270.416619]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.421640]  __do_softirq+0x308/0xb7e
[  270.425445]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.429938]  ? lock_downgrade+0x900/0x900
[  270.434108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.439219]  ? pvclock_read_flags+0x160/0x160
[  270.443729]  ? lapic_next_event+0x5a/0x90
[  270.447883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.453426]  ? kvm_clock_read+0x18/0x30
[  270.457404]  ? kvm_sched_clock_read+0x9/0x20
[  270.461814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.467356]  ? check_preemption_disabled+0x48/0x280
[  270.472385]  irq_exit+0x17f/0x1c0
[  270.475839]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.480682]  ? smp_reschedule_interrupt+0x109/0x650
[  270.485702]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.491589]  ? interrupt_entry+0xb5/0xc0
[  270.496176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.501191]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.506210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.511061]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.516077]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.521097]  ? task_prio+0x50/0x50
[  270.524639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.530177]  ? check_preemption_disabled+0x48/0x280
[  270.535201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.540051]  apic_timer_interrupt+0xf/0x20
[  270.544280]  </IRQ>
[  270.546518] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  270.551447] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  270.570347] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  270.578050] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  270.585316] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  270.592583] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  270.599848] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  270.607118] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  270.614430]  skb_clone+0x1bb/0x500
[  270.617972]  ? finish_task_switch+0x1b4/0x910
[  270.622473]  ? skb_split+0x11e0/0x11e0
[  270.626364]  ? preempt_notifier_register+0x200/0x200
[  270.631463]  ? __switch_to_asm+0x34/0x70
[  270.635521]  ? __switch_to_asm+0x34/0x70
[  270.639578]  ? __switch_to_asm+0x40/0x70
[  270.643639]  ? __switch_to_asm+0x34/0x70
[  270.647695]  ? __switch_to_asm+0x40/0x70
[  270.651754]  ? __switch_to_asm+0x34/0x70
[  270.655819]  ? __switch_to_asm+0x40/0x70
[  270.659876]  ? __switch_to_asm+0x34/0x70
[  270.663936]  ? __switch_to_asm+0x34/0x70
[  270.667991]  ? __switch_to_asm+0x40/0x70
[  270.672047]  ? __switch_to_asm+0x34/0x70
[  270.676113]  bpf_clone_redirect+0xb9/0x490
[  270.680348]  ? __schedule+0x8d7/0x21d0
[  270.684247]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  270.689274]  ? __sched_text_start+0x8/0x8
[  270.693429]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.698193]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.702775]  ? retint_kernel+0x2d/0x2d
[  270.706669]  ? find_held_lock+0x36/0x1c0
[  270.710742]  ? lock_acquire+0x1ed/0x520
[  270.714718]  ? bpf_test_run+0x3ee/0x7a0
[  270.718697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.724243]  ? check_preemption_disabled+0x48/0x280
[  270.729271]  ? kasan_check_read+0x11/0x20
[  270.733419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.738698]  ? rcu_softirq_qs+0x20/0x20
[  270.742675]  ? preempt_schedule+0x4d/0x60
[  270.746826]  ? ___preempt_schedule+0x16/0x18
[  270.751253]  ? bpf_test_run+0x271/0x7a0
[  270.755247]  ? netlink_diag_dump+0x2a0/0x2a0
[  270.759666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.765204]  ? bpf_test_init.isra.10+0x70/0x100
[  270.769887]  ? bpf_prog_test_run_skb+0x762/0xd60
[  270.774650]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  270.779502]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  270.785044]  ? fput+0x130/0x1a0
[  270.788329]  ? __bpf_prog_get+0x9b/0x290
[  270.792398]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  270.797243]  ? bpf_prog_test_run+0x130/0x1a0
[  270.801657]  ? __x64_sys_bpf+0x3d8/0x520
[  270.805721]  ? bpf_prog_get+0x20/0x20
[  270.809531]  ? do_syscall_64+0x1e1/0x820
[  270.813596]  ? do_syscall_64+0x1b9/0x820
[  270.817654]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  270.823017]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.827944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.832794]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.837814]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  270.842829]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.847851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.852704]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  270.858087] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  270.858157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.864581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.864586] Call Trace:
[  270.864593]  <IRQ>
[  270.864612]  dump_stack+0x244/0x39d
[  270.864630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.871157] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.880477]  warn_alloc.cold.116+0xb7/0x1bd
[  270.883031] syz-executor5 cpuset=syz5 mems_allowed=0
[  270.885176]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.918707]  ? lock_downgrade+0x900/0x900
[  270.922864]  ? trace_hardirqs_off+0xb8/0x310
[  270.927287]  ? trace_hardirqs_off+0xb8/0x310
[  270.931709]  __alloc_pages_slowpath+0x2651/0x2de0
[  270.936582]  ? warn_alloc+0x120/0x120
[  270.940384]  ? print_usage_bug+0xc0/0xc0
[  270.944443]  ? warn_alloc+0x120/0x120
[  270.948255]  ? warn_alloc+0x120/0x120
[  270.952066]  ? print_usage_bug+0xc0/0xc0
[  270.956131]  ? print_usage_bug+0xc0/0xc0
[  270.960197]  ? __lock_acquire+0x62f/0x4c20
[  270.964440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.969980]  ? should_fail+0x22d/0xd01
[  270.973873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.978996]  ? __lock_acquire+0x62f/0x4c20
[  270.983251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.988362]  ? __lock_acquire+0x62f/0x4c20
[  270.992597]  ? should_fail+0x22d/0xd01
[  270.996487]  ? find_held_lock+0x36/0x1c0
[  271.000555]  ? mark_held_locks+0x130/0x130
[  271.004795]  ? mark_held_locks+0x130/0x130
[  271.009030]  ? zap_class+0x640/0x640
[  271.012741]  ? zap_class+0x640/0x640
[  271.016457]  ? print_usage_bug+0xc0/0xc0
[  271.020517]  ? do_raw_spin_unlock+0xa7/0x330
[  271.024923]  ? zap_class+0x640/0x640
[  271.028633]  ? print_usage_bug+0xc0/0xc0
[  271.032690]  ? wq_watchdog_touch+0x9c/0xfe
[  271.036931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.042472]  ? check_preemption_disabled+0x48/0x280
[  271.047498]  ? __lock_is_held+0xb5/0x140
[  271.051564]  __alloc_pages_nodemask+0xad8/0xea0
[  271.056243]  ? zap_class+0x640/0x640
[  271.059966]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  271.064992]  ? find_held_lock+0x36/0x1c0
[  271.069067]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.073737]  ? lock_downgrade+0x900/0x900
[  271.077891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.083431]  cache_grow_begin+0xa5/0x8c0
[  271.087494]  ? do_raw_spin_unlock+0xa7/0x330
[  271.091913]  fallback_alloc+0x204/0x2e0
[  271.095892]  ____cache_alloc_node+0x1c7/0x1e0
[  271.100392]  kmem_cache_alloc_node+0xe3/0x730
[  271.104888]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.109134]  __alloc_skb+0x119/0x770
[  271.112850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.118129]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.122535]  ? lock_downgrade+0x900/0x900
[  271.126689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.132226]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.137692]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.143158]  ? addrconf_rs_timer+0x690/0x690
[  271.147582]  ndisc_alloc_skb+0x144/0x340
[  271.151645]  ndisc_send_rs+0x331/0x6e0
[  271.155540]  addrconf_rs_timer+0x314/0x690
[  271.159782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.164030]  call_timer_fn+0x272/0x920
[  271.167919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.172158]  ? process_timeout+0x40/0x40
[  271.176228]  ? mark_held_locks+0xc7/0x130
[  271.180389]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.184883]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.189378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.193613]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.198200]  ? trace_hardirqs_on+0xbd/0x310
[  271.202524]  ? kasan_check_read+0x11/0x20
[  271.206696]  ? __run_timers+0x7da/0xc70
[  271.210684]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.215793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.220050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.224295]  __run_timers+0x7e5/0xc70
[  271.228109]  ? timer_fixup_init+0x70/0x70
[  271.232270]  ? kasan_check_read+0x11/0x20
[  271.236416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.241696]  ? rcu_softirq_qs+0x20/0x20
[  271.245679]  ? mark_held_locks+0xc7/0x130
[  271.249836]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.254596]  ? retint_kernel+0x2d/0x2d
[  271.258482]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.263412]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.268168]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.273618]  ? zap_class+0x640/0x640
[  271.277342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.282880]  ? check_preemption_disabled+0x48/0x280
[  271.287908]  ? __lock_is_held+0xb5/0x140
[  271.291976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.297517]  ? check_preemption_disabled+0x48/0x280
[  271.302539]  run_timer_softirq+0x52/0xb0
[  271.306605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.311620]  __do_softirq+0x308/0xb7e
[  271.315424]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.319919]  ? lock_downgrade+0x900/0x900
[  271.324075]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.329231]  ? pvclock_read_flags+0x160/0x160
[  271.333743]  ? lapic_next_event+0x5a/0x90
[  271.337900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.343451]  ? kvm_clock_read+0x18/0x30
[  271.347428]  ? kvm_sched_clock_read+0x9/0x20
[  271.351840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.357380]  ? check_preemption_disabled+0x48/0x280
[  271.362408]  irq_exit+0x17f/0x1c0
[  271.365866]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.370707]  ? smp_reschedule_interrupt+0x109/0x650
[  271.375725]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.381606]  ? interrupt_entry+0xb5/0xc0
[  271.385668]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.390681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.395698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.400543]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.405555]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.410569]  ? task_prio+0x50/0x50
[  271.414112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.419651]  ? check_preemption_disabled+0x48/0x280
[  271.424673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.429524]  apic_timer_interrupt+0xf/0x20
[  271.433753]  </IRQ>
[  271.435996] RIP: 0010:dump_stack+0x358/0x39d
[  271.440404] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  271.459303] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  271.467008] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  271.474283] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  271.481564] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  271.488832] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  271.496096] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  271.503384]  ? dump_stack+0x34f/0x39d
[  271.507201]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.512394]  ? mark_held_locks+0x130/0x130
[  271.516626]  ? mark_held_locks+0x130/0x130
[  271.520864]  dump_header+0x27b/0xf72
[  271.524590]  ? pagefault_out_of_memory+0x197/0x197
[  271.529526]  ? __lock_acquire+0x62f/0x4c20
[  271.533760]  ? percpu_ref_get_many+0x240/0x240
[  271.538349]  ? print_usage_bug+0xc0/0xc0
[  271.542419]  ? zap_class+0x640/0x640
[  271.546136]  ? print_usage_bug+0xc0/0xc0
[  271.550197]  ? print_usage_bug+0xc0/0xc0
[  271.554269]  ? zap_class+0x640/0x640
[  271.557993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.563537]  ? find_held_lock+0x36/0x1c0
[  271.567607]  ? mark_held_locks+0xc7/0x130
[  271.571756]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  271.576879]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  271.581985]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.586569]  ? trace_hardirqs_on+0xbd/0x310
[  271.590889]  ? kasan_check_read+0x11/0x20
[  271.595041]  ? ___ratelimit+0x3b4/0x672
[  271.599019]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.604121]  ? trace_hardirqs_on+0x310/0x310
[  271.608527]  ? lock_downgrade+0x900/0x900
[  271.612678]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.617778]  ? ___ratelimit+0x3b9/0x672
[  271.621753]  ? idr_get_free+0xf70/0xf70
[  271.625730]  ? find_held_lock+0x36/0x1c0
[  271.629801]  oom_kill_process.cold.27+0x10/0x903
[  271.634555]  ? zap_class+0x640/0x640
[  271.638278]  ? check_preemption_disabled+0x48/0x280
[  271.643313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.648250]  ? kasan_check_read+0x11/0x20
[  271.652405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.657680]  ? oom_evaluate_task+0x540/0x540
[  271.662088]  ? find_held_lock+0x36/0x1c0
[  271.666159]  ? out_of_memory+0x974/0x1430
[  271.670311]  ? lock_downgrade+0x900/0x900
[  271.674457]  ? check_preemption_disabled+0x48/0x280
[  271.679479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.684407]  ? kasan_check_read+0x11/0x20
[  271.688556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.693836]  ? rcu_softirq_qs+0x20/0x20
[  271.697815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.703351]  ? oom_evaluate_task+0x302/0x540
[  271.707764]  out_of_memory+0xa84/0x1430
[  271.711748]  ? oom_killer_disable+0x3a0/0x3a0
[  271.716251]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  271.721192]  ? __ww_mutex_check_waiters+0x160/0x160
[  271.726217]  __alloc_pages_slowpath+0x232c/0x2de0
[  271.731094]  ? warn_alloc+0x120/0x120
[  271.734924]  ? mark_held_locks+0x130/0x130
[  271.739163]  ? find_get_entry+0xaae/0x1120
[  271.743408]  ? filemap_map_pages+0x1a20/0x1a20
[  271.747997]  ? zap_class+0x640/0x640
[  271.751717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.757267]  ? check_preemption_disabled+0x48/0x280
[  271.762289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.767824]  ? should_fail+0x22d/0xd01
[  271.771732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.776841]  ? zap_class+0x640/0x640
[  271.780578]  ? __lock_is_held+0xb5/0x140
[  271.784645]  ? mark_held_locks+0x130/0x130
[  271.788885]  ? lock_release+0xa00/0xa00
[  271.792865]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.798329]  ? xa_load+0x2ba/0x460
[  271.801874]  ? lock_downgrade+0x900/0x900
[  271.806059]  ? __might_sleep+0x95/0x190
[  271.810039]  __alloc_pages_nodemask+0xad8/0xea0
[  271.814714]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  271.819729]  ? __page_cache_alloc+0x191/0x5c0
[  271.824220]  ? xa_load+0x2e1/0x460
[  271.827800]  ? xa_clear_mark+0x40/0x40
[  271.831700]  ? zap_class+0x640/0x640
[  271.835420]  ? zap_class+0x640/0x640
[  271.839131]  ? zap_class+0x640/0x640
[  271.842848]  ? __do_page_cache_readahead+0x663/0x810
[  271.847956]  ? find_held_lock+0x36/0x1c0
[  271.852021]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  271.857565]  alloc_pages_current+0x173/0x350
[  271.861975]  __page_cache_alloc+0x38c/0x5c0
[  271.866293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.871220]  ? kasan_check_read+0x11/0x20
[  271.875398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.880680]  ? generic_perform_write+0x6a0/0x6a0
[  271.885436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.890977]  ? check_preemption_disabled+0x48/0x280
[  271.896001]  filemap_fault+0x1595/0x25f0
[  271.900076]  ? __lock_page_or_retry+0xa00/0xa00
[  271.904746]  ? mark_held_locks+0x130/0x130
[  271.909003]  ? filemap_map_pages+0xd6b/0x1a20
[  271.913503]  ? lock_downgrade+0x900/0x900
[  271.917650]  ? check_preemption_disabled+0x48/0x280
[  271.922670]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.927605]  ? kasan_check_read+0x11/0x20
[  271.931750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.937027]  ? rcu_softirq_qs+0x20/0x20
[  271.941013]  ? filemap_map_pages+0xd92/0x1a20
[  271.945521]  ? find_get_entries_tag+0x1400/0x1400
[  271.950383]  ? lock_acquire+0x1ed/0x520
[  271.954359]  ? ext4_filemap_fault+0x7a/0xad
[  271.958688]  ? lock_release+0xa00/0xa00
[  271.962662]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.968137]  ? mark_held_locks+0x130/0x130
[  271.972405]  ? print_usage_bug+0xc0/0xc0
[  271.976470]  ? print_usage_bug+0xc0/0xc0
[  271.980543]  ? down_read+0x8d/0x120
[  271.984164]  ? ext4_filemap_fault+0x7a/0xad
[  271.988487]  ? __down_interruptible+0x700/0x700
[  271.993163]  ext4_filemap_fault+0x82/0xad
[  271.997314]  __do_fault+0x100/0x6b0
[  272.000944]  ? pmd_devmap_trans_unstable+0x220/0x220
[  272.006076]  ? mark_held_locks+0x130/0x130
[  272.010314]  ? mark_held_locks+0x130/0x130
[  272.014553]  ? hrtimer_forward+0x2a0/0x2a0
[  272.018785]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  272.023628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.029172]  __handle_mm_fault+0x3ea6/0x5be0
[  272.033586]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  272.038429]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.043530]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.048633]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.053242]  ? trace_hardirqs_on+0xbd/0x310
[  272.057585]  ? kasan_check_read+0x11/0x20
[  272.061764]  ? __free_object+0x173/0x340
[  272.065856]  ? zap_class+0x640/0x640
[  272.069576]  ? zap_class+0x640/0x640
[  272.073289]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.078395]  ? find_held_lock+0x36/0x1c0
[  272.082466]  ? handle_mm_fault+0x42a/0xc70
[  272.086705]  ? lock_downgrade+0x900/0x900
[  272.090850]  ? check_preemption_disabled+0x48/0x280
[  272.095868]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.100793]  ? kasan_check_read+0x11/0x20
[  272.104938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.110211]  ? rcu_softirq_qs+0x20/0x20
[  272.114196]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.119302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.124847]  ? check_preemption_disabled+0x48/0x280
[  272.129901]  handle_mm_fault+0x54f/0xc70
[  272.133978]  ? __handle_mm_fault+0x5be0/0x5be0
[  272.138567]  ? find_vma+0x34/0x190
[  272.142115]  __do_page_fault+0x5e8/0xe60
[  272.146174]  ? trace_hardirqs_off+0xb8/0x310
[  272.150593]  do_page_fault+0xf2/0x7e0
[  272.154398]  ? vmalloc_sync_all+0x30/0x30
[  272.158545]  ? error_entry+0x70/0xd0
[  272.162300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.167317]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.172269]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.177199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.182042]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.187059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.192508]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.197525]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.202543]  ? page_fault+0x8/0x30
[  272.206086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.210933]  ? page_fault+0x8/0x30
[  272.214474]  page_fault+0x1e/0x30
[  272.217928] RIP: 0033:0x7f4afc2d3e40
[  272.221655] Code: Bad RIP value.
[  272.225019] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  272.230380] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  272.237645] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  272.244915] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  272.252191] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  272.259461] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  272.266773] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  272.266779] warn_alloc_show_mem: 1 callbacks suppressed
[  272.266786] Mem-Info:
[  272.274146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.279515] active_anon:57379 inactive_anon:189 isolated_anon:0
[  272.279515]  active_file:13 inactive_file:16 isolated_file:0
[  272.279515]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.279515]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  272.279515]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  272.279515]  free:13771 free_pcp:208 free_cma:0
[  272.281884] Call Trace:
[  272.291289] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.324145]  <IRQ>
[  272.326718] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  272.354214]  dump_stack+0x244/0x39d
[  272.356334] lowmem_reserve[]: 0 2818 6321 6321
[  272.382555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.386156] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  272.390738]  warn_alloc.cold.116+0xb7/0x1bd
[  272.395897] lowmem_reserve[]: 0 0 3503 3503
[  272.423476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.427773] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  272.432093]  ? lock_downgrade+0x900/0x900
[  272.436912] lowmem_reserve[]: 0 0 0 0
[  272.465796]  ? trace_hardirqs_off+0xb8/0x310
[  272.469916] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  272.473739]  ? trace_hardirqs_off+0xb8/0x310
[  272.478119] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  272.491641]  __alloc_pages_slowpath+0x2651/0x2de0
[  272.496143] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  272.511596]  ? warn_alloc+0x120/0x120
[  272.516403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  272.530958]  ? print_usage_bug+0xc0/0xc0
[  272.534737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  272.543575]  ? warn_alloc+0x120/0x120
[  272.547615] 273 total pagecache pages
[  272.556185]  ? warn_alloc+0x120/0x120
[  272.559973] 0 pages in swap cache
[  272.563768]  ? print_usage_bug+0xc0/0xc0
[  272.567543] Swap cache stats: add 0, delete 0, find 0/0
[  272.570989]  ? print_usage_bug+0xc0/0xc0
[  272.575026] Free swap  = 0kB
[  272.580380]  ? __lock_acquire+0x62f/0x4c20
[  272.584417] Total swap = 0kB
[  272.587429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.591633] 1965979 pages RAM
[  272.594648]  ? should_fail+0x22d/0xd01
[  272.600160] 0 pages HighMem/MovableOnly
[  272.603266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.607130] 342853 pages reserved
[  272.611095]  ? __lock_acquire+0x62f/0x4c20
[  272.616175] 0 pages cma reserved
[  272.619621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.623935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.627185]  ? __lock_acquire+0x62f/0x4c20
[  272.627198]  ? should_fail+0x22d/0xd01
[  272.627212]  ? find_held_lock+0x36/0x1c0
[  272.627233]  ? mark_held_locks+0x130/0x130
[  272.632407] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.638802]  ? mark_held_locks+0x130/0x130
[  272.643014] cron cpuset=/ mems_allowed=0
[  272.646894]  ? zap_class+0x640/0x640
[  272.676799]  ? zap_class+0x640/0x640
[  272.680516]  ? print_usage_bug+0xc0/0xc0
[  272.684573]  ? do_raw_spin_unlock+0xa7/0x330
[  272.688981]  ? zap_class+0x640/0x640
[  272.692694]  ? print_usage_bug+0xc0/0xc0
[  272.696756]  ? wq_watchdog_touch+0x9c/0xfe
[  272.700998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.706541]  ? check_preemption_disabled+0x48/0x280
[  272.711569]  ? __lock_is_held+0xb5/0x140
[  272.715636]  __alloc_pages_nodemask+0xad8/0xea0
[  272.720303]  ? zap_class+0x640/0x640
[  272.724035]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  272.729061]  ? find_held_lock+0x36/0x1c0
[  272.733131]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.737799]  ? lock_downgrade+0x900/0x900
[  272.741955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.747501]  cache_grow_begin+0xa5/0x8c0
[  272.751560]  ? do_raw_spin_unlock+0xa7/0x330
[  272.755977]  fallback_alloc+0x204/0x2e0
[  272.759956]  ____cache_alloc_node+0x1c7/0x1e0
[  272.764459]  kmem_cache_alloc_node+0xe3/0x730
[  272.768957]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.773202]  __alloc_skb+0x119/0x770
[  272.776913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.782197]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.786604]  ? lock_downgrade+0x900/0x900
[  272.790766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.796304]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.801763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.807212]  ? addrconf_rs_timer+0x690/0x690
[  272.811655]  ndisc_alloc_skb+0x144/0x340
[  272.815732]  ndisc_send_rs+0x331/0x6e0
[  272.819635]  addrconf_rs_timer+0x314/0x690
[  272.823875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.828118]  call_timer_fn+0x272/0x920
[  272.832003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.836246]  ? process_timeout+0x40/0x40
[  272.840318]  ? __run_timers+0x7da/0xc70
[  272.844298]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.848791]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.853313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.857551]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.862138]  ? trace_hardirqs_on+0xbd/0x310
[  272.866459]  ? kasan_check_read+0x11/0x20
[  272.870606]  ? __run_timers+0x7da/0xc70
[  272.874584]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.879695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.883961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.888206]  __run_timers+0x7e5/0xc70
[  272.892023]  ? timer_fixup_init+0x70/0x70
[  272.896178]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.901198]  ? zap_class+0x640/0x640
[  272.904921]  ? enqueue_hrtimer+0x1a5/0x560
[  272.909158]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.914354]  ? find_held_lock+0x36/0x1c0
[  272.918418]  ? zap_class+0x640/0x640
[  272.922148]  ? pvclock_read_flags+0x160/0x160
[  272.926647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.932188]  ? check_preemption_disabled+0x48/0x280
[  272.937229]  ? __lock_is_held+0xb5/0x140
[  272.941300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.946838]  ? check_preemption_disabled+0x48/0x280
[  272.951858]  run_timer_softirq+0x52/0xb0
[  272.955922]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.960971]  __do_softirq+0x308/0xb7e
[  272.964782]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.969278]  ? lock_downgrade+0x900/0x900
[  272.973433]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.978542]  ? pvclock_read_flags+0x160/0x160
[  272.983039]  ? lapic_next_event+0x5a/0x90
[  272.987189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.992731]  ? kvm_clock_read+0x18/0x30
[  272.996707]  ? kvm_sched_clock_read+0x9/0x20
[  273.001120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.006660]  ? check_preemption_disabled+0x48/0x280
[  273.011688]  irq_exit+0x17f/0x1c0
[  273.015147]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.019988]  ? smp_reschedule_interrupt+0x109/0x650
[  273.025004]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.030886]  ? interrupt_entry+0xb5/0xc0
[  273.034950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.039963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.044993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.049839]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.054851]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.059868]  ? task_prio+0x50/0x50
[  273.063418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.068959]  ? check_preemption_disabled+0x48/0x280
[  273.073979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.078832]  apic_timer_interrupt+0xf/0x20
[  273.083058]  </IRQ>
[  273.085298] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.090249] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  273.109155] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.116859] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  273.124130] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  273.131399] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  273.138667] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  273.145938] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  273.153259]  skb_clone+0x1bb/0x500
[  273.156807]  ? finish_task_switch+0x1b4/0x910
[  273.161303]  ? skb_split+0x11e0/0x11e0
[  273.165195]  ? preempt_notifier_register+0x200/0x200
[  273.170299]  ? __switch_to_asm+0x34/0x70
[  273.174362]  ? __switch_to_asm+0x34/0x70
[  273.178418]  ? __switch_to_asm+0x40/0x70
[  273.182475]  ? __switch_to_asm+0x34/0x70
[  273.186530]  ? __switch_to_asm+0x40/0x70
[  273.190586]  ? __switch_to_asm+0x34/0x70
[  273.194644]  ? __switch_to_asm+0x40/0x70
[  273.198703]  ? __switch_to_asm+0x34/0x70
[  273.202767]  ? __switch_to_asm+0x34/0x70
[  273.206828]  ? __switch_to_asm+0x40/0x70
[  273.210888]  ? __switch_to_asm+0x34/0x70
[  273.214952]  bpf_clone_redirect+0xb9/0x490
[  273.219192]  ? __schedule+0x8d7/0x21d0
[  273.223084]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  273.228103]  ? __sched_text_start+0x8/0x8
[  273.232262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.237031]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.241609]  ? retint_kernel+0x2d/0x2d
[  273.245505]  ? find_held_lock+0x36/0x1c0
[  273.249576]  ? lock_acquire+0x1ed/0x520
[  273.253549]  ? bpf_test_run+0x3ee/0x7a0
[  273.257522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.263060]  ? check_preemption_disabled+0x48/0x280
[  273.268083]  ? kasan_check_read+0x11/0x20
[  273.272234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.277518]  ? rcu_softirq_qs+0x20/0x20
[  273.281495]  ? preempt_schedule+0x4d/0x60
[  273.285644]  ? ___preempt_schedule+0x16/0x18
[  273.290069]  ? bpf_test_run+0x271/0x7a0
[  273.294055]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.298470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.304005]  ? bpf_test_init.isra.10+0x70/0x100
[  273.308679]  ? bpf_prog_test_run_skb+0x762/0xd60
[  273.313444]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  273.318293]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.323841]  ? fput+0x130/0x1a0
[  273.327124]  ? __bpf_prog_get+0x9b/0x290
[  273.331190]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  273.336029]  ? bpf_prog_test_run+0x130/0x1a0
[  273.340441]  ? __x64_sys_bpf+0x3d8/0x520
[  273.344500]  ? bpf_prog_get+0x20/0x20
[  273.348315]  ? do_syscall_64+0x1e1/0x820
[  273.352383]  ? do_syscall_64+0x1b9/0x820
[  273.356442]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  273.361806]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.366734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.371582]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.376600]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  273.381621]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.386643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.391495]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.396877] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  273.396946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.403371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.403380] Call Trace:
[  273.409957] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.419201]  <IRQ>
[  273.421769] syz-executor5 cpuset=syz5 mems_allowed=0
[  273.432257]  dump_stack+0x244/0x39d
[  273.443090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.448307]  warn_alloc.cold.116+0xb7/0x1bd
[  273.452633]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.457480]  ? lock_downgrade+0x900/0x900
[  273.461639]  ? trace_hardirqs_off+0xb8/0x310
[  273.466053]  ? trace_hardirqs_off+0xb8/0x310
[  273.470471]  __alloc_pages_slowpath+0x2651/0x2de0
[  273.475341]  ? warn_alloc+0x120/0x120
[  273.479148]  ? print_usage_bug+0xc0/0xc0
[  273.483210]  ? warn_alloc+0x120/0x120
[  273.487022]  ? warn_alloc+0x120/0x120
[  273.490824]  ? print_usage_bug+0xc0/0xc0
[  273.494893]  ? print_usage_bug+0xc0/0xc0
[  273.498955]  ? __lock_acquire+0x62f/0x4c20
[  273.503198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.508739]  ? should_fail+0x22d/0xd01
[  273.512632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.517734]  ? __lock_acquire+0x62f/0x4c20
[  273.521974]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.527076]  ? __lock_acquire+0x62f/0x4c20
[  273.531314]  ? should_fail+0x22d/0xd01
[  273.535210]  ? mark_held_locks+0x130/0x130
[  273.539460]  ? mark_held_locks+0x130/0x130
[  273.543695]  ? zap_class+0x640/0x640
[  273.547420]  ? zap_class+0x640/0x640
[  273.551136]  ? print_usage_bug+0xc0/0xc0
[  273.555199]  ? wq_watchdog_touch+0x9c/0xfe
[  273.559441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.564978]  ? check_preemption_disabled+0x48/0x280
[  273.570002]  ? __lock_is_held+0xb5/0x140
[  273.574069]  __alloc_pages_nodemask+0xad8/0xea0
[  273.578742]  ? zap_class+0x640/0x640
[  273.582469]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  273.587495]  ? find_held_lock+0x36/0x1c0
[  273.591568]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.596243]  ? lock_downgrade+0x900/0x900
[  273.600407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.605951]  cache_grow_begin+0xa5/0x8c0
[  273.610017]  ? do_raw_spin_unlock+0xa7/0x330
[  273.614435]  fallback_alloc+0x204/0x2e0
[  273.618418]  ____cache_alloc_node+0x1c7/0x1e0
[  273.622919]  kmem_cache_alloc_node+0xe3/0x730
[  273.627419]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.631669]  __alloc_skb+0x119/0x770
[  273.635386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.640667]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.645076]  ? lock_downgrade+0x900/0x900
[  273.649233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.654789]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.660255]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.665711]  ? addrconf_rs_timer+0x690/0x690
[  273.670129]  ndisc_alloc_skb+0x144/0x340
[  273.674195]  ndisc_send_rs+0x331/0x6e0
[  273.678085]  addrconf_rs_timer+0x314/0x690
[  273.682327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.686572]  call_timer_fn+0x272/0x920
[  273.690455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.694691]  ? process_timeout+0x40/0x40
[  273.698760]  ? mark_held_locks+0xc7/0x130
[  273.702916]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.707407]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.711903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.716137]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.720720]  ? trace_hardirqs_on+0xbd/0x310
[  273.725045]  ? kasan_check_read+0x11/0x20
[  273.729191]  ? __run_timers+0x7da/0xc70
[  273.733165]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.738289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.742523]  __run_timers+0x7e5/0xc70
[  273.746332]  ? timer_fixup_init+0x70/0x70
[  273.750481]  ? kasan_check_read+0x11/0x20
[  273.754631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.759908]  ? rcu_softirq_qs+0x20/0x20
[  273.763890]  ? mark_held_locks+0xc7/0x130
[  273.768042]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.772805]  ? retint_kernel+0x2d/0x2d
[  273.776692]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.781622]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.786383]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.791834]  ? zap_class+0x640/0x640
[  273.795559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.801097]  ? check_preemption_disabled+0x48/0x280
[  273.806127]  ? __lock_is_held+0xb5/0x140
[  273.810192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.815729]  ? check_preemption_disabled+0x48/0x280
[  273.820751]  run_timer_softirq+0x52/0xb0
[  273.824814]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.829831]  __do_softirq+0x308/0xb7e
[  273.833634]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.838127]  ? lock_downgrade+0x900/0x900
[  273.842286]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.847397]  ? pvclock_read_flags+0x160/0x160
[  273.851897]  ? lapic_next_event+0x5a/0x90
[  273.856048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.861592]  ? kvm_clock_read+0x18/0x30
[  273.865569]  ? kvm_sched_clock_read+0x9/0x20
[  273.869979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.875522]  ? check_preemption_disabled+0x48/0x280
[  273.880553]  irq_exit+0x17f/0x1c0
[  273.884014]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.888869]  ? smp_reschedule_interrupt+0x109/0x650
[  273.893889]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.899771]  ? interrupt_entry+0xb5/0xc0
[  273.903837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.908851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.913868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.918715]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.923728]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.928747]  ? task_prio+0x50/0x50
[  273.932293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.937833]  ? check_preemption_disabled+0x48/0x280
[  273.942853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.947707]  apic_timer_interrupt+0xf/0x20
[  273.951934]  </IRQ>
[  273.954180] RIP: 0010:dump_stack+0x358/0x39d
[  273.958589] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  273.977492] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  273.985202] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  273.992482] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  273.999749] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  274.007017] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  274.014291] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  274.021582]  ? dump_stack+0x34f/0x39d
[  274.025397]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.030591]  ? mark_held_locks+0x130/0x130
[  274.034825]  ? mark_held_locks+0x130/0x130
[  274.039065]  dump_header+0x27b/0xf72
[  274.042795]  ? pagefault_out_of_memory+0x197/0x197
[  274.047732]  ? __lock_acquire+0x62f/0x4c20
[  274.051967]  ? percpu_ref_get_many+0x240/0x240
[  274.056555]  ? print_usage_bug+0xc0/0xc0
[  274.060621]  ? zap_class+0x640/0x640
[  274.064344]  ? print_usage_bug+0xc0/0xc0
[  274.068405]  ? print_usage_bug+0xc0/0xc0
[  274.072473]  ? zap_class+0x640/0x640
[  274.076190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.081731]  ? find_held_lock+0x36/0x1c0
[  274.085801]  ? mark_held_locks+0xc7/0x130
[  274.089955]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.095056]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.100159]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.104744]  ? trace_hardirqs_on+0xbd/0x310
[  274.109070]  ? kasan_check_read+0x11/0x20
[  274.113220]  ? ___ratelimit+0x3b4/0x672
[  274.117212]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.122327]  ? trace_hardirqs_on+0x310/0x310
[  274.126739]  ? lock_downgrade+0x900/0x900
[  274.130896]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.135997]  ? ___ratelimit+0x3b9/0x672
[  274.139976]  ? idr_get_free+0xf70/0xf70
[  274.143949]  ? find_held_lock+0x36/0x1c0
[  274.148020]  oom_kill_process.cold.27+0x10/0x903
[  274.152778]  ? zap_class+0x640/0x640
[  274.156493]  ? check_preemption_disabled+0x48/0x280
[  274.161511]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.166444]  ? kasan_check_read+0x11/0x20
[  274.170591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.175955]  ? oom_evaluate_task+0x540/0x540
[  274.180367]  ? find_held_lock+0x36/0x1c0
[  274.184441]  ? out_of_memory+0x974/0x1430
[  274.188592]  ? lock_downgrade+0x900/0x900
[  274.192741]  ? check_preemption_disabled+0x48/0x280
[  274.197760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.202690]  ? kasan_check_read+0x11/0x20
[  274.206844]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.212122]  ? rcu_softirq_qs+0x20/0x20
[  274.216103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.221638]  ? oom_evaluate_task+0x302/0x540
[  274.226049]  out_of_memory+0xa84/0x1430
[  274.230034]  ? oom_killer_disable+0x3a0/0x3a0
[  274.234532]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  274.239463]  ? __ww_mutex_check_waiters+0x160/0x160
[  274.244491]  __alloc_pages_slowpath+0x232c/0x2de0
[  274.249365]  ? warn_alloc+0x120/0x120
[  274.253172]  ? mark_held_locks+0x130/0x130
[  274.257412]  ? find_get_entry+0xaae/0x1120
[  274.261660]  ? filemap_map_pages+0x1a20/0x1a20
[  274.266264]  ? zap_class+0x640/0x640
[  274.269986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.275524]  ? check_preemption_disabled+0x48/0x280
[  274.280539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.286087]  ? should_fail+0x22d/0xd01
[  274.289980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.295084]  ? zap_class+0x640/0x640
[  274.298823]  ? __lock_is_held+0xb5/0x140
[  274.302890]  ? mark_held_locks+0x130/0x130
[  274.307131]  ? lock_release+0xa00/0xa00
[  274.311110]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.316559]  ? xa_load+0x2ba/0x460
[  274.320101]  ? lock_downgrade+0x900/0x900
[  274.324265]  ? __might_sleep+0x95/0x190
[  274.328251]  __alloc_pages_nodemask+0xad8/0xea0
[  274.332935]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  274.337955]  ? __page_cache_alloc+0x191/0x5c0
[  274.342454]  ? xa_load+0x2e1/0x460
[  274.345997]  ? xa_clear_mark+0x40/0x40
[  274.349885]  ? zap_class+0x640/0x640
[  274.353608]  ? zap_class+0x640/0x640
[  274.357319]  ? zap_class+0x640/0x640
[  274.361035]  ? __do_page_cache_readahead+0x663/0x810
[  274.366573]  ? find_held_lock+0x36/0x1c0
[  274.370641]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  274.376189]  alloc_pages_current+0x173/0x350
[  274.380604]  __page_cache_alloc+0x38c/0x5c0
[  274.384924]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.389853]  ? kasan_check_read+0x11/0x20
[  274.394001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.399285]  ? generic_perform_write+0x6a0/0x6a0
[  274.404042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.409585]  ? check_preemption_disabled+0x48/0x280
[  274.414608]  filemap_fault+0x1595/0x25f0
[  274.418683]  ? __lock_page_or_retry+0xa00/0xa00
[  274.423354]  ? mark_held_locks+0x130/0x130
[  274.427596]  ? filemap_map_pages+0xd6b/0x1a20
[  274.432125]  ? lock_downgrade+0x900/0x900
[  274.436278]  ? check_preemption_disabled+0x48/0x280
[  274.441297]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.446225]  ? kasan_check_read+0x11/0x20
[  274.450388]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.455667]  ? rcu_softirq_qs+0x20/0x20
[  274.459658]  ? filemap_map_pages+0xd92/0x1a20
[  274.464163]  ? find_get_entries_tag+0x1400/0x1400
[  274.469027]  ? lock_acquire+0x1ed/0x520
[  274.473002]  ? ext4_filemap_fault+0x7a/0xad
[  274.477375]  ? lock_release+0xa00/0xa00
[  274.481350]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.486799]  ? mark_held_locks+0x130/0x130
[  274.491033]  ? print_usage_bug+0xc0/0xc0
[  274.495096]  ? print_usage_bug+0xc0/0xc0
[  274.499308]  ? down_read+0x8d/0x120
[  274.502933]  ? ext4_filemap_fault+0x7a/0xad
[  274.507267]  ? __down_interruptible+0x700/0x700
[  274.511946]  ext4_filemap_fault+0x82/0xad
[  274.516095]  __do_fault+0x100/0x6b0
[  274.519724]  ? pmd_devmap_trans_unstable+0x220/0x220
[  274.524829]  ? mark_held_locks+0x130/0x130
[  274.529065]  ? mark_held_locks+0x130/0x130
[  274.533304]  ? hrtimer_forward+0x2a0/0x2a0
[  274.537535]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  274.542379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.547924]  __handle_mm_fault+0x3ea6/0x5be0
[  274.552346]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  274.557188]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.562302]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.567412]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.571997]  ? trace_hardirqs_on+0xbd/0x310
[  274.576320]  ? kasan_check_read+0x11/0x20
[  274.580467]  ? __free_object+0x173/0x340
[  274.584541]  ? zap_class+0x640/0x640
[  274.588264]  ? zap_class+0x640/0x640
[  274.591976]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.597082]  ? find_held_lock+0x36/0x1c0
[  274.601151]  ? handle_mm_fault+0x42a/0xc70
[  274.605391]  ? lock_downgrade+0x900/0x900
[  274.609540]  ? check_preemption_disabled+0x48/0x280
[  274.614559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.619487]  ? kasan_check_read+0x11/0x20
[  274.623644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.628918]  ? rcu_softirq_qs+0x20/0x20
[  274.632891]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.637999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.643541]  ? check_preemption_disabled+0x48/0x280
[  274.648570]  handle_mm_fault+0x54f/0xc70
[  274.652640]  ? __handle_mm_fault+0x5be0/0x5be0
[  274.657231]  ? find_vma+0x34/0x190
[  274.660792]  __do_page_fault+0x5e8/0xe60
[  274.664852]  ? trace_hardirqs_off+0xb8/0x310
[  274.669279]  do_page_fault+0xf2/0x7e0
[  274.673079]  ? vmalloc_sync_all+0x30/0x30
[  274.677267]  ? error_entry+0x70/0xd0
[  274.680982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.685996]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.690927]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.695856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.700703]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.705717]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.711167]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.716184]  ? prepare_exit_to_usermode+0x291/0x3b0
[  274.721204]  ? page_fault+0x8/0x30
[  274.724756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.729603]  ? page_fault+0x8/0x30
[  274.733145]  page_fault+0x1e/0x30
[  274.736601] RIP: 0033:0x7f4afc2d3e40
[  274.740331] Code: Bad RIP value.
[  274.743691] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  274.749052] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  274.756317] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  274.763581] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  274.770850] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  274.778115] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  274.785413] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  274.785419] warn_alloc_show_mem: 1 callbacks suppressed
[  274.785426] Mem-Info:
[  274.792789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.798156] active_anon:57379 inactive_anon:189 isolated_anon:0
[  274.798156]  active_file:13 inactive_file:16 isolated_file:0
[  274.798156]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.798156]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  274.798156]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  274.798156]  free:13771 free_pcp:208 free_cma:0
[  274.800525] Call Trace:
[  274.809915] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.842764]  <IRQ>
[  274.845331] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  274.872835]  dump_stack+0x244/0x39d
[  274.874957] lowmem_reserve[]: 0 2818 6321 6321
[  274.901075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.904675] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  274.909265]  warn_alloc.cold.116+0xb7/0x1bd
[  274.914418] lowmem_reserve[]: 0 0 3503 3503
[  274.942012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.946309] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  274.950627]  ? lock_downgrade+0x900/0x900
[  274.955440] lowmem_reserve[]: 0 0 0 0
[  274.984333]  ? trace_hardirqs_off+0xb8/0x310
[  274.988454] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  274.992261]  ? trace_hardirqs_off+0xb8/0x310
[  274.996646] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  275.010170]  __alloc_pages_slowpath+0x2651/0x2de0
[  275.014558] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  275.030007]  ? warn_alloc+0x120/0x120
[  275.034813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.049365]  ? print_usage_bug+0xc0/0xc0
[  275.053143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.061970]  ? warn_alloc+0x120/0x120
[  275.066007] 273 total pagecache pages
[  275.074574]  ? warn_alloc+0x120/0x120
[  275.078359] 0 pages in swap cache
[  275.082150]  ? print_usage_bug+0xc0/0xc0
[  275.085927] Swap cache stats: add 0, delete 0, find 0/0
[  275.089370]  ? kvm_clock_read+0x18/0x30
[  275.093410] Free swap  = 0kB
[  275.098776]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.102716] Total swap = 0kB
[  275.105731]  ? print_usage_bug+0xc0/0xc0
[  275.110724] 1965979 pages RAM
[  275.113740]  ? __lock_acquire+0x62f/0x4c20
[  275.117778] 0 pages HighMem/MovableOnly
[  275.120877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.125081] 342853 pages reserved
[  275.129047]  ? should_fail+0x22d/0xd01
[  275.134557] 0 pages cma reserved
[  275.138002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.141925] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.145226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.145252]  ? __lock_acquire+0x62f/0x4c20
[  275.145274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.150593] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.157065]  ? __lock_acquire+0x62f/0x4c20
[  275.162143] cron cpuset=/ mems_allowed=0
[  275.166385]  ? should_fail+0x22d/0xd01
[  275.193305]  ? rcu_irq_exit+0x1a2/0x390
[  275.197288]  ? mark_held_locks+0x130/0x130
[  275.201527]  ? mark_held_locks+0x130/0x130
[  275.205781]  ? mark_held_locks+0xc7/0x130
[  275.209932]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.214948]  ? zap_class+0x640/0x640
[  275.218658]  ? print_usage_bug+0xc0/0xc0
[  275.222738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.228280]  ? check_preemption_disabled+0x48/0x280
[  275.233306]  ? __lock_is_held+0xb5/0x140
[  275.237377]  __alloc_pages_nodemask+0xad8/0xea0
[  275.242047]  ? zap_class+0x640/0x640
[  275.245767]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  275.250809]  ? find_held_lock+0x36/0x1c0
[  275.254880]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.259562]  ? lock_downgrade+0x900/0x900
[  275.263721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.269267]  cache_grow_begin+0xa5/0x8c0
[  275.273330]  ? do_raw_spin_unlock+0xa7/0x330
[  275.277744]  fallback_alloc+0x204/0x2e0
[  275.281728]  ____cache_alloc_node+0x1c7/0x1e0
[  275.286232]  kmem_cache_alloc_node+0xe3/0x730
[  275.290735]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.294985]  __alloc_skb+0x119/0x770
[  275.298698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.303979]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.308390]  ? lock_downgrade+0x900/0x900
[  275.312543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.318095]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.323560]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.329012]  ? addrconf_rs_timer+0x690/0x690
[  275.333430]  ndisc_alloc_skb+0x144/0x340
[  275.337500]  ndisc_send_rs+0x331/0x6e0
[  275.341395]  addrconf_rs_timer+0x314/0x690
[  275.345636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.349885]  call_timer_fn+0x272/0x920
[  275.353780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.358018]  ? process_timeout+0x40/0x40
[  275.362090]  ? __run_timers+0x7da/0xc70
[  275.366075]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.370570]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.375071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.379328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.383961]  ? trace_hardirqs_on+0xbd/0x310
[  275.388295]  ? kasan_check_read+0x11/0x20
[  275.392439]  ? __run_timers+0x7da/0xc70
[  275.396441]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.401547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.405793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.410029]  __run_timers+0x7e5/0xc70
[  275.413838]  ? timer_fixup_init+0x70/0x70
[  275.418001]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.423024]  ? zap_class+0x640/0x640
[  275.426745]  ? enqueue_hrtimer+0x1a5/0x560
[  275.430985]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.436184]  ? find_held_lock+0x36/0x1c0
[  275.440260]  ? zap_class+0x640/0x640
[  275.443978]  ? pvclock_read_flags+0x160/0x160
[  275.448487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.454038]  ? check_preemption_disabled+0x48/0x280
[  275.459074]  ? __lock_is_held+0xb5/0x140
[  275.463139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.468679]  ? check_preemption_disabled+0x48/0x280
[  275.473713]  run_timer_softirq+0x52/0xb0
[  275.477795]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.482828]  __do_softirq+0x308/0xb7e
[  275.486628]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  275.491124]  ? lock_downgrade+0x900/0x900
[  275.495277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.500431]  ? pvclock_read_flags+0x160/0x160
[  275.504926]  ? lapic_next_event+0x5a/0x90
[  275.509074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.514614]  ? kvm_clock_read+0x18/0x30
[  275.518588]  ? kvm_sched_clock_read+0x9/0x20
[  275.523013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.528551]  ? check_preemption_disabled+0x48/0x280
[  275.533578]  irq_exit+0x17f/0x1c0
[  275.537036]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.541877]  ? smp_reschedule_interrupt+0x109/0x650
[  275.546936]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.552834]  ? interrupt_entry+0xb5/0xc0
[  275.556893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.561920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.566952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.571810]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.576826]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.581840]  ? task_prio+0x50/0x50
[  275.585381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.590919]  ? check_preemption_disabled+0x48/0x280
[  275.595970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.600817]  apic_timer_interrupt+0xf/0x20
[  275.605042]  </IRQ>
[  275.607281] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.612224] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  275.631149] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.638852] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  275.646121] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  275.653389] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  275.660673] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  275.667970] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  275.675282]  skb_clone+0x1bb/0x500
[  275.678827]  ? finish_task_switch+0x1b4/0x910
[  275.683345]  ? skb_split+0x11e0/0x11e0
[  275.687233]  ? preempt_notifier_register+0x200/0x200
[  275.692341]  ? __switch_to_asm+0x34/0x70
[  275.696398]  ? __switch_to_asm+0x34/0x70
[  275.700454]  ? __switch_to_asm+0x40/0x70
[  275.704514]  ? __switch_to_asm+0x34/0x70
[  275.708570]  ? __switch_to_asm+0x40/0x70
[  275.712625]  ? __switch_to_asm+0x34/0x70
[  275.716725]  ? __switch_to_asm+0x40/0x70
[  275.720790]  ? __switch_to_asm+0x34/0x70
[  275.724849]  ? __switch_to_asm+0x34/0x70
[  275.728946]  ? __switch_to_asm+0x40/0x70
[  275.733000]  ? __switch_to_asm+0x34/0x70
[  275.737067]  bpf_clone_redirect+0xb9/0x490
[  275.741305]  ? __schedule+0x8d7/0x21d0
[  275.745202]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  275.750219]  ? __sched_text_start+0x8/0x8
[  275.754380]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.759142]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.763735]  ? retint_kernel+0x2d/0x2d
[  275.767648]  ? find_held_lock+0x36/0x1c0
[  275.771731]  ? lock_acquire+0x1ed/0x520
[  275.775720]  ? bpf_test_run+0x3ee/0x7a0
[  275.779695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.785233]  ? check_preemption_disabled+0x48/0x280
[  275.790311]  ? kasan_check_read+0x11/0x20
[  275.794457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.799730]  ? rcu_softirq_qs+0x20/0x20
[  275.803706]  ? preempt_schedule+0x4d/0x60
[  275.807856]  ? ___preempt_schedule+0x16/0x18
[  275.812277]  ? bpf_test_run+0x271/0x7a0
[  275.816271]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.820687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.826222]  ? bpf_test_init.isra.10+0x70/0x100
[  275.830905]  ? bpf_prog_test_run_skb+0x762/0xd60
[  275.835671]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.840517]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.846053]  ? fput+0x130/0x1a0
[  275.849332]  ? __bpf_prog_get+0x9b/0x290
[  275.853394]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.858258]  ? bpf_prog_test_run+0x130/0x1a0
[  275.862684]  ? __x64_sys_bpf+0x3d8/0x520
[  275.866743]  ? bpf_prog_get+0x20/0x20
[  275.870556]  ? do_syscall_64+0x1e1/0x820
[  275.874627]  ? do_syscall_64+0x1b9/0x820
[  275.878688]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.884055]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.888982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.893831]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.898846]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.903879]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.908928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.913784]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.919168] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  275.919245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.925658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.925663] Call Trace:
[  275.925668]  <IRQ>
[  275.925685]  dump_stack+0x244/0x39d
[  275.925721]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.932258] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.941550]  warn_alloc.cold.116+0xb7/0x1bd
[  275.944107] syz-executor5 cpuset=syz5 mems_allowed=0
[  275.946256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.979717]  ? lock_downgrade+0x900/0x900
[  275.983876]  ? trace_hardirqs_off+0xb8/0x310
[  275.988293]  ? trace_hardirqs_off+0xb8/0x310
[  275.992709]  __alloc_pages_slowpath+0x2651/0x2de0
[  275.997588]  ? warn_alloc+0x120/0x120
[  276.001392]  ? print_usage_bug+0xc0/0xc0
[  276.005452]  ? warn_alloc+0x120/0x120
[  276.009268]  ? warn_alloc+0x120/0x120
[  276.013073]  ? print_usage_bug+0xc0/0xc0
[  276.017142]  ? print_usage_bug+0xc0/0xc0
[  276.021204]  ? __lock_acquire+0x62f/0x4c20
[  276.025449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.030987]  ? should_fail+0x22d/0xd01
[  276.034881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.039988]  ? __lock_acquire+0x62f/0x4c20
[  276.044231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.049346]  ? __lock_acquire+0x62f/0x4c20
[  276.053577]  ? should_fail+0x22d/0xd01
[  276.057464]  ? find_held_lock+0x36/0x1c0
[  276.061534]  ? mark_held_locks+0x130/0x130
[  276.065772]  ? mark_held_locks+0x130/0x130
[  276.070006]  ? zap_class+0x640/0x640
[  276.073719]  ? zap_class+0x640/0x640
[  276.077439]  ? print_usage_bug+0xc0/0xc0
[  276.081500]  ? do_raw_spin_unlock+0xa7/0x330
[  276.085905]  ? zap_class+0x640/0x640
[  276.089617]  ? print_usage_bug+0xc0/0xc0
[  276.093681]  ? wq_watchdog_touch+0x9c/0xfe
[  276.097919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.103460]  ? check_preemption_disabled+0x48/0x280
[  276.108488]  ? __lock_is_held+0xb5/0x140
[  276.112555]  __alloc_pages_nodemask+0xad8/0xea0
[  276.117224]  ? zap_class+0x640/0x640
[  276.120953]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  276.125983]  ? find_held_lock+0x36/0x1c0
[  276.130057]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.134728]  ? lock_downgrade+0x900/0x900
[  276.138886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.144427]  cache_grow_begin+0xa5/0x8c0
[  276.148483]  ? do_raw_spin_unlock+0xa7/0x330
[  276.152898]  fallback_alloc+0x204/0x2e0
[  276.156880]  ____cache_alloc_node+0x1c7/0x1e0
[  276.161382]  kmem_cache_alloc_node+0xe3/0x730
[  276.165875]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.170118]  __alloc_skb+0x119/0x770
[  276.173831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.179112]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.183521]  ? lock_downgrade+0x900/0x900
[  276.187678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.193216]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.198676]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.204129]  ? addrconf_rs_timer+0x690/0x690
[  276.208547]  ndisc_alloc_skb+0x144/0x340
[  276.212615]  ndisc_send_rs+0x331/0x6e0
[  276.216508]  addrconf_rs_timer+0x314/0x690
[  276.220750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.224994]  call_timer_fn+0x272/0x920
[  276.228882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.233115]  ? process_timeout+0x40/0x40
[  276.237189]  ? mark_held_locks+0xc7/0x130
[  276.241340]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.245833]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.250326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.254559]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.259146]  ? trace_hardirqs_on+0xbd/0x310
[  276.263465]  ? kasan_check_read+0x11/0x20
[  276.267616]  ? __run_timers+0x7da/0xc70
[  276.271593]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.276700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.280939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.285171]  __run_timers+0x7e5/0xc70
[  276.288981]  ? timer_fixup_init+0x70/0x70
[  276.293133]  ? kasan_check_read+0x11/0x20
[  276.297288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.302562]  ? rcu_softirq_qs+0x20/0x20
[  276.306540]  ? mark_held_locks+0xc7/0x130
[  276.310690]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.315449]  ? retint_kernel+0x2d/0x2d
[  276.319334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.324277]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.329038]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.334490]  ? zap_class+0x640/0x640
[  276.338211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.343758]  ? check_preemption_disabled+0x48/0x280
[  276.348784]  ? __lock_is_held+0xb5/0x140
[  276.352848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.358390]  ? check_preemption_disabled+0x48/0x280
[  276.363411]  run_timer_softirq+0x52/0xb0
[  276.367960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.372981]  __do_softirq+0x308/0xb7e
[  276.376785]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.381287]  ? lock_downgrade+0x900/0x900
[  276.385442]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.390556]  ? pvclock_read_flags+0x160/0x160
[  276.395054]  ? lapic_next_event+0x5a/0x90
[  276.399208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.404764]  ? kvm_clock_read+0x18/0x30
[  276.408736]  ? kvm_sched_clock_read+0x9/0x20
[  276.413149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.418691]  ? check_preemption_disabled+0x48/0x280
[  276.423716]  irq_exit+0x17f/0x1c0
[  276.427169]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.432013]  ? smp_reschedule_interrupt+0x109/0x650
[  276.437030]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.442916]  ? interrupt_entry+0xb5/0xc0
[  276.446982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.452011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.457057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.461902]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.466920]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.472587]  ? task_prio+0x50/0x50
[  276.476130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.481667]  ? check_preemption_disabled+0x48/0x280
[  276.486685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.491538]  apic_timer_interrupt+0xf/0x20
[  276.495889]  </IRQ>
[  276.498130] RIP: 0010:dump_stack+0x358/0x39d
[  276.502540] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  276.521437] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  276.529141] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  276.536409] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  276.543672] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  276.550938] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  276.558207] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  276.565500]  ? dump_stack+0x34f/0x39d
[  276.569313]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.574508]  ? mark_held_locks+0x130/0x130
[  276.578743]  ? mark_held_locks+0x130/0x130
[  276.582980]  dump_header+0x27b/0xf72
[  276.586707]  ? pagefault_out_of_memory+0x197/0x197
[  276.591646]  ? __lock_acquire+0x62f/0x4c20
[  276.595881]  ? percpu_ref_get_many+0x240/0x240
[  276.600468]  ? print_usage_bug+0xc0/0xc0
[  276.604534]  ? zap_class+0x640/0x640
[  276.608256]  ? print_usage_bug+0xc0/0xc0
[  276.612329]  ? print_usage_bug+0xc0/0xc0
[  276.616391]  ? zap_class+0x640/0x640
[  276.620106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.625647]  ? find_held_lock+0x36/0x1c0
[  276.629721]  ? mark_held_locks+0xc7/0x130
[  276.633867]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  276.638969]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  276.644070]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.648666]  ? trace_hardirqs_on+0xbd/0x310
[  276.652985]  ? kasan_check_read+0x11/0x20
[  276.657149]  ? ___ratelimit+0x3b4/0x672
[  276.661126]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.666255]  ? trace_hardirqs_on+0x310/0x310
[  276.670669]  ? lock_downgrade+0x900/0x900
[  276.674823]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.679925]  ? ___ratelimit+0x3b9/0x672
[  276.683899]  ? idr_get_free+0xf70/0xf70
[  276.687871]  ? find_held_lock+0x36/0x1c0
[  276.691940]  oom_kill_process.cold.27+0x10/0x903
[  276.696695]  ? zap_class+0x640/0x640
[  276.700411]  ? check_preemption_disabled+0x48/0x280
[  276.705457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.710383]  ? kasan_check_read+0x11/0x20
[  276.714529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.719806]  ? oom_evaluate_task+0x540/0x540
[  276.724217]  ? find_held_lock+0x36/0x1c0
[  276.728295]  ? out_of_memory+0x974/0x1430
[  276.732442]  ? lock_downgrade+0x900/0x900
[  276.736588]  ? check_preemption_disabled+0x48/0x280
[  276.741604]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.746534]  ? kasan_check_read+0x11/0x20
[  276.750677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.755964]  ? rcu_softirq_qs+0x20/0x20
[  276.759943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.765478]  ? oom_evaluate_task+0x302/0x540
[  276.769891]  out_of_memory+0xa84/0x1430
[  276.773870]  ? oom_killer_disable+0x3a0/0x3a0
[  276.778394]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  276.783330]  ? __ww_mutex_check_waiters+0x160/0x160
[  276.788360]  __alloc_pages_slowpath+0x232c/0x2de0
[  276.793229]  ? warn_alloc+0x120/0x120
[  276.797056]  ? mark_held_locks+0x130/0x130
[  276.801297]  ? find_get_entry+0xaae/0x1120
[  276.805542]  ? filemap_map_pages+0x1a20/0x1a20
[  276.810145]  ? zap_class+0x640/0x640
[  276.813885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.819423]  ? check_preemption_disabled+0x48/0x280
[  276.824442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.829980]  ? should_fail+0x22d/0xd01
[  276.833873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.838989]  ? zap_class+0x640/0x640
[  276.842760]  ? __lock_is_held+0xb5/0x140
[  276.846833]  ? mark_held_locks+0x130/0x130
[  276.851099]  ? lock_release+0xa00/0xa00
[  276.855116]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.860578]  ? xa_load+0x2ba/0x460
[  276.864117]  ? lock_downgrade+0x900/0x900
[  276.868322]  ? __might_sleep+0x95/0x190
[  276.872305]  __alloc_pages_nodemask+0xad8/0xea0
[  276.876984]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  276.881999]  ? __page_cache_alloc+0x191/0x5c0
[  276.886490]  ? xa_load+0x2e1/0x460
[  276.890035]  ? xa_clear_mark+0x40/0x40
[  276.893927]  ? zap_class+0x640/0x640
[  276.897647]  ? zap_class+0x640/0x640
[  276.901361]  ? zap_class+0x640/0x640
[  276.905076]  ? __do_page_cache_readahead+0x663/0x810
[  276.910185]  ? find_held_lock+0x36/0x1c0
[  276.914293]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  276.919841]  alloc_pages_current+0x173/0x350
[  276.924310]  __page_cache_alloc+0x38c/0x5c0
[  276.928645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.933572]  ? kasan_check_read+0x11/0x20
[  276.937723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.943027]  ? generic_perform_write+0x6a0/0x6a0
[  276.947798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.953353]  ? check_preemption_disabled+0x48/0x280
[  276.958374]  filemap_fault+0x1595/0x25f0
[  276.962445]  ? __lock_page_or_retry+0xa00/0xa00
[  276.967114]  ? mark_held_locks+0x130/0x130
[  276.971361]  ? filemap_map_pages+0xd6b/0x1a20
[  276.975885]  ? lock_downgrade+0x900/0x900
[  276.980031]  ? check_preemption_disabled+0x48/0x280
[  276.985050]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.989975]  ? kasan_check_read+0x11/0x20
[  276.994137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.999410]  ? rcu_softirq_qs+0x20/0x20
[  277.003395]  ? filemap_map_pages+0xd92/0x1a20
[  277.007904]  ? find_get_entries_tag+0x1400/0x1400
[  277.012767]  ? lock_acquire+0x1ed/0x520
[  277.016759]  ? ext4_filemap_fault+0x7a/0xad
[  277.021087]  ? lock_release+0xa00/0xa00
[  277.025056]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.030519]  ? mark_held_locks+0x130/0x130
[  277.034752]  ? print_usage_bug+0xc0/0xc0
[  277.038827]  ? print_usage_bug+0xc0/0xc0
[  277.042898]  ? down_read+0x8d/0x120
[  277.046523]  ? ext4_filemap_fault+0x7a/0xad
[  277.050847]  ? __down_interruptible+0x700/0x700
[  277.055530]  ext4_filemap_fault+0x82/0xad
[  277.059679]  __do_fault+0x100/0x6b0
[  277.063312]  ? pmd_devmap_trans_unstable+0x220/0x220
[  277.068418]  ? mark_held_locks+0x130/0x130
[  277.072652]  ? mark_held_locks+0x130/0x130
[  277.076894]  ? hrtimer_forward+0x2a0/0x2a0
[  277.081131]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  277.085975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.091519]  __handle_mm_fault+0x3ea6/0x5be0
[  277.095936]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  277.100781]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.105881]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.110982]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.115565]  ? trace_hardirqs_on+0xbd/0x310
[  277.119883]  ? kasan_check_read+0x11/0x20
[  277.124031]  ? __free_object+0x173/0x340
[  277.128107]  ? zap_class+0x640/0x640
[  277.131822]  ? zap_class+0x640/0x640
[  277.135532]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.140639]  ? find_held_lock+0x36/0x1c0
[  277.144711]  ? handle_mm_fault+0x42a/0xc70
[  277.148946]  ? lock_downgrade+0x900/0x900
[  277.153092]  ? check_preemption_disabled+0x48/0x280
[  277.158111]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.163038]  ? kasan_check_read+0x11/0x20
[  277.167184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.172459]  ? rcu_softirq_qs+0x20/0x20
[  277.176431]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.181538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.187076]  ? check_preemption_disabled+0x48/0x280
[  277.192098]  handle_mm_fault+0x54f/0xc70
[  277.196161]  ? __handle_mm_fault+0x5be0/0x5be0
[  277.200748]  ? find_vma+0x34/0x190
[  277.204298]  __do_page_fault+0x5e8/0xe60
[  277.208362]  ? trace_hardirqs_off+0xb8/0x310
[  277.212777]  do_page_fault+0xf2/0x7e0
[  277.216579]  ? vmalloc_sync_all+0x30/0x30
[  277.220728]  ? error_entry+0x70/0xd0
[  277.224439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.229452]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.234383]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.239312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.244163]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.249175]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.254630]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.259649]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.264682]  ? page_fault+0x8/0x30
[  277.268228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.273090]  ? page_fault+0x8/0x30
[  277.276629]  page_fault+0x1e/0x30
[  277.280079] RIP: 0033:0x7f4afc2d3e40
[  277.283821] Code: Bad RIP value.
[  277.287181] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  277.292541] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  277.299804] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  277.307068] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  277.314336] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  277.321602] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  277.328897] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  277.328903] warn_alloc_show_mem: 1 callbacks suppressed
[  277.328910] Mem-Info:
[  277.336268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.336276] Call Trace:
[  277.341648] active_anon:57379 inactive_anon:189 isolated_anon:0
[  277.341648]  active_file:13 inactive_file:16 isolated_file:0
[  277.341648]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.341648]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  277.341648]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  277.341648]  free:13771 free_pcp:208 free_cma:0
[  277.344019]  <IRQ>
[  277.353385] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.355970]  dump_stack+0x244/0x39d
[  277.389290] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  277.391440]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.418911] lowmem_reserve[]: 0 2818 6321 6321
[  277.422538]  warn_alloc.cold.116+0xb7/0x1bd
[  277.448628] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  277.453812]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.458367] lowmem_reserve[]: 0 0 3503 3503
[  277.462681]  ? lock_downgrade+0x900/0x900
[  277.490247] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  277.495086]  ? trace_hardirqs_off+0xb8/0x310
[  277.499382] lowmem_reserve[]: 0 0 0 0
[  277.503529]  ? trace_hardirqs_off+0xb8/0x310
[  277.532389] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  277.536796]  __alloc_pages_slowpath+0x2651/0x2de0
[  277.540566] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  277.544991]  ? warn_alloc+0x120/0x120
[  277.558465] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  277.563301]  ? print_usage_bug+0xc0/0xc0
[  277.578715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  277.582501]  ? warn_alloc+0x120/0x120
[  277.597050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  277.601116]  ? warn_alloc+0x120/0x120
[  277.609942] 273 total pagecache pages
[  277.613783]  ? print_usage_bug+0xc0/0xc0
[  277.622338] 0 pages in swap cache
[  277.626122]  ? print_usage_bug+0xc0/0xc0
[  277.629901] Swap cache stats: add 0, delete 0, find 0/0
[  277.633963]  ? __lock_acquire+0x62f/0x4c20
[  277.637391] Free swap  = 0kB
[  277.641446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.646781] Total swap = 0kB
[  277.651036]  ? should_fail+0x22d/0xd01
[  277.654027] 1965979 pages RAM
[  277.659558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.662549] 0 pages HighMem/MovableOnly
[  277.666444]  ? __lock_acquire+0x62f/0x4c20
[  277.669524] 342853 pages reserved
[  277.674622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.678573] 0 pages cma reserved
[  277.682797]  ? __lock_acquire+0x62f/0x4c20
[  277.686313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.691331]  ? should_fail+0x22d/0xd01
[  277.691347]  ? find_held_lock+0x36/0x1c0
[  277.694774] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.698926]  ? mark_held_locks+0x130/0x130
[  277.705403] cron cpuset=/ mems_allowed=0
[  277.709297]  ? mark_held_locks+0x130/0x130
[  277.735503]  ? zap_class+0x640/0x640
[  277.739220]  ? zap_class+0x640/0x640
[  277.742947]  ? print_usage_bug+0xc0/0xc0
[  277.747004]  ? do_raw_spin_unlock+0xa7/0x330
[  277.751413]  ? zap_class+0x640/0x640
[  277.755124]  ? print_usage_bug+0xc0/0xc0
[  277.759183]  ? wq_watchdog_touch+0x9c/0xfe
[  277.763418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.768956]  ? check_preemption_disabled+0x48/0x280
[  277.773980]  ? __lock_is_held+0xb5/0x140
[  277.778063]  __alloc_pages_nodemask+0xad8/0xea0
[  277.782727]  ? zap_class+0x640/0x640
[  277.786447]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  277.791471]  ? find_held_lock+0x36/0x1c0
[  277.795545]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.800216]  ? lock_downgrade+0x900/0x900
[  277.804380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.809921]  cache_grow_begin+0xa5/0x8c0
[  277.813978]  ? do_raw_spin_unlock+0xa7/0x330
[  277.818398]  fallback_alloc+0x204/0x2e0
[  277.822378]  ____cache_alloc_node+0x1c7/0x1e0
[  277.826876]  kmem_cache_alloc_node+0xe3/0x730
[  277.831391]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.835634]  __alloc_skb+0x119/0x770
[  277.839348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.844628]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.849035]  ? lock_downgrade+0x900/0x900
[  277.853190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.858728]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.864188]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.869640]  ? addrconf_rs_timer+0x690/0x690
[  277.874059]  ndisc_alloc_skb+0x144/0x340
[  277.878120]  ndisc_send_rs+0x331/0x6e0
[  277.882024]  addrconf_rs_timer+0x314/0x690
[  277.886270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.890516]  call_timer_fn+0x272/0x920
[  277.894403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.898637]  ? process_timeout+0x40/0x40
[  277.902706]  ? __run_timers+0x7da/0xc70
[  277.906678]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.911168]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.915663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.919902]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.924489]  ? trace_hardirqs_on+0xbd/0x310
[  277.928808]  ? kasan_check_read+0x11/0x20
[  277.932980]  ? __run_timers+0x7da/0xc70
[  277.936953]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.942060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.946299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.950534]  __run_timers+0x7e5/0xc70
[  277.954342]  ? timer_fixup_init+0x70/0x70
[  277.958494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.963509]  ? zap_class+0x640/0x640
[  277.967229]  ? enqueue_hrtimer+0x1a5/0x560
[  277.971473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.976675]  ? find_held_lock+0x36/0x1c0
[  277.980742]  ? zap_class+0x640/0x640
[  277.984461]  ? pvclock_read_flags+0x160/0x160
[  277.988961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.994502]  ? check_preemption_disabled+0x48/0x280
[  277.999526]  ? __lock_is_held+0xb5/0x140
[  278.003586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.009126]  ? check_preemption_disabled+0x48/0x280
[  278.014144]  run_timer_softirq+0x52/0xb0
[  278.018204]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.023226]  __do_softirq+0x308/0xb7e
[  278.027038]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.031530]  ? lock_downgrade+0x900/0x900
[  278.035680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.040791]  ? pvclock_read_flags+0x160/0x160
[  278.045287]  ? lapic_next_event+0x5a/0x90
[  278.049439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.054979]  ? kvm_clock_read+0x18/0x30
[  278.058953]  ? kvm_sched_clock_read+0x9/0x20
[  278.063365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.068901]  ? check_preemption_disabled+0x48/0x280
[  278.073925]  irq_exit+0x17f/0x1c0
[  278.077380]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.082219]  ? smp_reschedule_interrupt+0x109/0x650
[  278.087248]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.093136]  ? interrupt_entry+0xb5/0xc0
[  278.097196]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.102212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.107234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.112086]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.117101]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.122118]  ? task_prio+0x50/0x50
[  278.125658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.131200]  ? check_preemption_disabled+0x48/0x280
[  278.136220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.141075]  apic_timer_interrupt+0xf/0x20
[  278.145302]  </IRQ>
[  278.147545] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.152477] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  278.171373] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  278.179081] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  278.186350] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  278.193614] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  278.200878] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  278.208145] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  278.215446]  skb_clone+0x1bb/0x500
[  278.218986]  ? finish_task_switch+0x1b4/0x910
[  278.223480]  ? skb_split+0x11e0/0x11e0
[  278.227370]  ? preempt_notifier_register+0x200/0x200
[  278.232470]  ? __switch_to_asm+0x34/0x70
[  278.236527]  ? __switch_to_asm+0x34/0x70
[  278.240587]  ? __switch_to_asm+0x40/0x70
[  278.244644]  ? __switch_to_asm+0x34/0x70
[  278.248700]  ? __switch_to_asm+0x40/0x70
[  278.252765]  ? __switch_to_asm+0x34/0x70
[  278.256825]  ? __switch_to_asm+0x40/0x70
[  278.260881]  ? __switch_to_asm+0x34/0x70
[  278.264940]  ? __switch_to_asm+0x34/0x70
[  278.269002]  ? __switch_to_asm+0x40/0x70
[  278.273062]  ? __switch_to_asm+0x34/0x70
[  278.277128]  bpf_clone_redirect+0xb9/0x490
[  278.281363]  ? __schedule+0x8d7/0x21d0
[  278.285267]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  278.290291]  ? __sched_text_start+0x8/0x8
[  278.294439]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.299199]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  278.303784]  ? retint_kernel+0x2d/0x2d
[  278.307677]  ? find_held_lock+0x36/0x1c0
[  278.311745]  ? lock_acquire+0x1ed/0x520
[  278.315723]  ? bpf_test_run+0x3ee/0x7a0
[  278.319697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.325233]  ? check_preemption_disabled+0x48/0x280
[  278.330271]  ? kasan_check_read+0x11/0x20
[  278.334418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.339696]  ? rcu_softirq_qs+0x20/0x20
[  278.343670]  ? preempt_schedule+0x4d/0x60
[  278.347817]  ? ___preempt_schedule+0x16/0x18
[  278.352231]  ? bpf_test_run+0x271/0x7a0
[  278.356226]  ? netlink_diag_dump+0x2a0/0x2a0
[  278.360643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.366301]  ? bpf_test_init.isra.10+0x70/0x100
[  278.370975]  ? bpf_prog_test_run_skb+0x762/0xd60
[  278.375741]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  278.380596]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  278.386131]  ? fput+0x130/0x1a0
[  278.389415]  ? __bpf_prog_get+0x9b/0x290
[  278.393479]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  278.398319]  ? bpf_prog_test_run+0x130/0x1a0
[  278.402729]  ? __x64_sys_bpf+0x3d8/0x520
[  278.406802]  ? bpf_prog_get+0x20/0x20
[  278.410617]  ? do_syscall_64+0x1e1/0x820
[  278.414684]  ? do_syscall_64+0x1b9/0x820
[  278.418741]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  278.424114]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.429046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.433895]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.438910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  278.443926]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.448947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.453803]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  278.459182] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  278.459260] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.465670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.465675] Call Trace:
[  278.465681]  <IRQ>
[  278.465698]  dump_stack+0x244/0x39d
[  278.465720]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.472260] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.481553]  warn_alloc.cold.116+0xb7/0x1bd
[  278.484105] syz-executor5 cpuset=syz5 mems_allowed=0
[  278.486265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.519924]  ? lock_downgrade+0x900/0x900
[  278.524078]  ? trace_hardirqs_off+0xb8/0x310
[  278.528494]  ? trace_hardirqs_off+0xb8/0x310
[  278.532915]  __alloc_pages_slowpath+0x2651/0x2de0
[  278.537786]  ? warn_alloc+0x120/0x120
[  278.541589]  ? print_usage_bug+0xc0/0xc0
[  278.545654]  ? warn_alloc+0x120/0x120
[  278.549457]  ? warn_alloc+0x120/0x120
[  278.553269]  ? print_usage_bug+0xc0/0xc0
[  278.557331]  ? kvm_clock_read+0x18/0x30
[  278.561326]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.566347]  ? print_usage_bug+0xc0/0xc0
[  278.570426]  ? __lock_acquire+0x62f/0x4c20
[  278.574666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.580207]  ? should_fail+0x22d/0xd01
[  278.584101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.589380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.594483]  ? __lock_acquire+0x62f/0x4c20
[  278.598724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.603826]  ? __lock_acquire+0x62f/0x4c20
[  278.608074]  ? should_fail+0x22d/0xd01
[  278.611954]  ? rcu_irq_exit+0x1a2/0x390
[  278.615995]  ? mark_held_locks+0x130/0x130
[  278.620235]  ? mark_held_locks+0x130/0x130
[  278.624491]  ? mark_held_locks+0xc7/0x130
[  278.628637]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.633653]  ? zap_class+0x640/0x640
[  278.637366]  ? print_usage_bug+0xc0/0xc0
[  278.641430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.646968]  ? check_preemption_disabled+0x48/0x280
[  278.651993]  ? __lock_is_held+0xb5/0x140
[  278.656063]  __alloc_pages_nodemask+0xad8/0xea0
[  278.660728]  ? zap_class+0x640/0x640
[  278.664446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  278.669474]  ? find_held_lock+0x36/0x1c0
[  278.673544]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.678219]  ? lock_downgrade+0x900/0x900
[  278.682393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.687937]  cache_grow_begin+0xa5/0x8c0
[  278.691996]  ? do_raw_spin_unlock+0xa7/0x330
[  278.696431]  fallback_alloc+0x204/0x2e0
[  278.700413]  ____cache_alloc_node+0x1c7/0x1e0
[  278.704915]  kmem_cache_alloc_node+0xe3/0x730
[  278.709408]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.713651]  __alloc_skb+0x119/0x770
[  278.717364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.722648]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.727060]  ? lock_downgrade+0x900/0x900
[  278.731216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.736791]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.742254]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.747709]  ? addrconf_rs_timer+0x690/0x690
[  278.752129]  ndisc_alloc_skb+0x144/0x340
[  278.756195]  ndisc_send_rs+0x331/0x6e0
[  278.760087]  addrconf_rs_timer+0x314/0x690
[  278.764335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.768579]  call_timer_fn+0x272/0x920
[  278.772467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.776704]  ? process_timeout+0x40/0x40
[  278.780790]  ? mark_held_locks+0xc7/0x130
[  278.784967]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.789463]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.793960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.798192]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.802789]  ? trace_hardirqs_on+0xbd/0x310
[  278.807123]  ? kasan_check_read+0x11/0x20
[  278.811298]  ? __run_timers+0x7da/0xc70
[  278.815309]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.820418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.824656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.828887]  __run_timers+0x7e5/0xc70
[  278.832696]  ? timer_fixup_init+0x70/0x70
[  278.836843]  ? kasan_check_read+0x11/0x20
[  278.841003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.846319]  ? rcu_softirq_qs+0x20/0x20
[  278.850302]  ? mark_held_locks+0xc7/0x130
[  278.854453]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.859209]  ? retint_kernel+0x2d/0x2d
[  278.863121]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.868052]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.872822]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.878281]  ? zap_class+0x640/0x640
[  278.881997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.887550]  ? check_preemption_disabled+0x48/0x280
[  278.892574]  ? __lock_is_held+0xb5/0x140
[  278.896687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.902222]  ? check_preemption_disabled+0x48/0x280
[  278.907265]  run_timer_softirq+0x52/0xb0
[  278.911328]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.916342]  __do_softirq+0x308/0xb7e
[  278.920149]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.924645]  ? lock_downgrade+0x900/0x900
[  278.928794]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.933905]  ? pvclock_read_flags+0x160/0x160
[  278.938400]  ? lapic_next_event+0x5a/0x90
[  278.942553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.948098]  ? kvm_clock_read+0x18/0x30
[  278.952073]  ? kvm_sched_clock_read+0x9/0x20
[  278.956483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.962020]  ? check_preemption_disabled+0x48/0x280
[  278.967089]  irq_exit+0x17f/0x1c0
[  278.970548]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.975390]  ? smp_reschedule_interrupt+0x109/0x650
[  278.980405]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.986290]  ? interrupt_entry+0xb5/0xc0
[  278.990353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.995366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.000380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.005269]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.010297]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.015316]  ? task_prio+0x50/0x50
[  279.018857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.024393]  ? check_preemption_disabled+0x48/0x280
[  279.029413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.034287]  apic_timer_interrupt+0xf/0x20
[  279.038559]  </IRQ>
[  279.040797] RIP: 0010:dump_stack+0x358/0x39d
[  279.045218] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  279.064139] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  279.071845] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  279.079109] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  279.086375] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  279.093640] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  279.100924] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  279.108205]  ? dump_stack+0x34f/0x39d
[  279.112022]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.117218]  ? mark_held_locks+0x130/0x130
[  279.121460]  ? mark_held_locks+0x130/0x130
[  279.125698]  dump_header+0x27b/0xf72
[  279.129426]  ? pagefault_out_of_memory+0x197/0x197
[  279.134380]  ? __lock_acquire+0x62f/0x4c20
[  279.138615]  ? percpu_ref_get_many+0x240/0x240
[  279.143214]  ? print_usage_bug+0xc0/0xc0
[  279.147320]  ? zap_class+0x640/0x640
[  279.151038]  ? print_usage_bug+0xc0/0xc0
[  279.155118]  ? print_usage_bug+0xc0/0xc0
[  279.159179]  ? zap_class+0x640/0x640
[  279.162895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.168435]  ? find_held_lock+0x36/0x1c0
[  279.172505]  ? mark_held_locks+0xc7/0x130
[  279.176657]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  279.181756]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  279.186896]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.191483]  ? trace_hardirqs_on+0xbd/0x310
[  279.195802]  ? kasan_check_read+0x11/0x20
[  279.199947]  ? ___ratelimit+0x3b4/0x672
[  279.203936]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.209064]  ? trace_hardirqs_on+0x310/0x310
[  279.213474]  ? lock_downgrade+0x900/0x900
[  279.217625]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.222747]  ? ___ratelimit+0x3b9/0x672
[  279.226721]  ? idr_get_free+0xf70/0xf70
[  279.230725]  ? find_held_lock+0x36/0x1c0
[  279.234827]  oom_kill_process.cold.27+0x10/0x903
[  279.239581]  ? zap_class+0x640/0x640
[  279.243306]  ? check_preemption_disabled+0x48/0x280
[  279.248324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.253266]  ? kasan_check_read+0x11/0x20
[  279.257413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.262690]  ? oom_evaluate_task+0x540/0x540
[  279.267103]  ? find_held_lock+0x36/0x1c0
[  279.271188]  ? out_of_memory+0x974/0x1430
[  279.275339]  ? lock_downgrade+0x900/0x900
[  279.279502]  ? check_preemption_disabled+0x48/0x280
[  279.284533]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.289472]  ? kasan_check_read+0x11/0x20
[  279.293649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.298943]  ? rcu_softirq_qs+0x20/0x20
[  279.302930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.308465]  ? oom_evaluate_task+0x302/0x540
[  279.312895]  out_of_memory+0xa84/0x1430
[  279.316890]  ? oom_killer_disable+0x3a0/0x3a0
[  279.321384]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  279.326332]  ? __ww_mutex_check_waiters+0x160/0x160
[  279.331359]  __alloc_pages_slowpath+0x232c/0x2de0
[  279.336229]  ? warn_alloc+0x120/0x120
[  279.340040]  ? mark_held_locks+0x130/0x130
[  279.344283]  ? find_get_entry+0xaae/0x1120
[  279.348525]  ? filemap_map_pages+0x1a20/0x1a20
[  279.353113]  ? zap_class+0x640/0x640
[  279.356832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.362371]  ? check_preemption_disabled+0x48/0x280
[  279.367387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.372926]  ? should_fail+0x22d/0xd01
[  279.376832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.381935]  ? zap_class+0x640/0x640
[  279.385674]  ? __lock_is_held+0xb5/0x140
[  279.389741]  ? mark_held_locks+0x130/0x130
[  279.393979]  ? lock_release+0xa00/0xa00
[  279.397952]  ? perf_trace_sched_process_exec+0x860/0x860
[  279.403406]  ? xa_load+0x2ba/0x460
[  279.406945]  ? lock_downgrade+0x900/0x900
[  279.411094]  ? __might_sleep+0x95/0x190
[  279.415072]  __alloc_pages_nodemask+0xad8/0xea0
[  279.419747]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  279.424778]  ? __page_cache_alloc+0x191/0x5c0
[  279.429290]  ? xa_load+0x2e1/0x460
[  279.432865]  ? xa_clear_mark+0x40/0x40
[  279.436765]  ? zap_class+0x640/0x640
[  279.440488]  ? zap_class+0x640/0x640
[  279.444199]  ? zap_class+0x640/0x640
[  279.447916]  ? __do_page_cache_readahead+0x663/0x810
[  279.453022]  ? find_held_lock+0x36/0x1c0
[  279.457103]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  279.462645]  alloc_pages_current+0x173/0x350
[  279.467060]  __page_cache_alloc+0x38c/0x5c0
[  279.471375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.476306]  ? kasan_check_read+0x11/0x20
[  279.480451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.485732]  ? generic_perform_write+0x6a0/0x6a0
[  279.490487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.496025]  ? check_preemption_disabled+0x48/0x280
[  279.501052]  filemap_fault+0x1595/0x25f0
[  279.505125]  ? __lock_page_or_retry+0xa00/0xa00
[  279.509794]  ? mark_held_locks+0x130/0x130
[  279.514038]  ? filemap_map_pages+0xd6b/0x1a20
[  279.518561]  ? lock_downgrade+0x900/0x900
[  279.522707]  ? check_preemption_disabled+0x48/0x280
[  279.527724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.532655]  ? kasan_check_read+0x11/0x20
[  279.536830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.542110]  ? rcu_softirq_qs+0x20/0x20
[  279.546100]  ? filemap_map_pages+0xd92/0x1a20
[  279.550606]  ? find_get_entries_tag+0x1400/0x1400
[  279.555467]  ? lock_acquire+0x1ed/0x520
[  279.559438]  ? ext4_filemap_fault+0x7a/0xad
[  279.563765]  ? lock_release+0xa00/0xa00
[  279.567751]  ? perf_trace_sched_process_exec+0x860/0x860
[  279.573209]  ? mark_held_locks+0x130/0x130
[  279.577447]  ? print_usage_bug+0xc0/0xc0
[  279.581509]  ? print_usage_bug+0xc0/0xc0
[  279.585581]  ? down_read+0x8d/0x120
[  279.589205]  ? ext4_filemap_fault+0x7a/0xad
[  279.593531]  ? __down_interruptible+0x700/0x700
[  279.598211]  ext4_filemap_fault+0x82/0xad
[  279.602364]  __do_fault+0x100/0x6b0
[  279.605995]  ? pmd_devmap_trans_unstable+0x220/0x220
[  279.611098]  ? mark_held_locks+0x130/0x130
[  279.615335]  ? mark_held_locks+0x130/0x130
[  279.619592]  ? hrtimer_forward+0x2a0/0x2a0
[  279.623839]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  279.628682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.634222]  __handle_mm_fault+0x3ea6/0x5be0
[  279.638663]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  279.643505]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  279.648602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  279.653701]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.658289]  ? trace_hardirqs_on+0xbd/0x310
[  279.662608]  ? kasan_check_read+0x11/0x20
[  279.666774]  ? __free_object+0x173/0x340
[  279.670842]  ? zap_class+0x640/0x640
[  279.674555]  ? zap_class+0x640/0x640
[  279.678293]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.683406]  ? find_held_lock+0x36/0x1c0
[  279.687475]  ? handle_mm_fault+0x42a/0xc70
[  279.691708]  ? lock_downgrade+0x900/0x900
[  279.695884]  ? check_preemption_disabled+0x48/0x280
[  279.700922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.705848]  ? kasan_check_read+0x11/0x20
[  279.709996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.715277]  ? rcu_softirq_qs+0x20/0x20
[  279.719258]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.724364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.729902]  ? check_preemption_disabled+0x48/0x280
[  279.734924]  handle_mm_fault+0x54f/0xc70
[  279.739001]  ? __handle_mm_fault+0x5be0/0x5be0
[  279.743587]  ? find_vma+0x34/0x190
[  279.747134]  __do_page_fault+0x5e8/0xe60
[  279.751195]  ? trace_hardirqs_off+0xb8/0x310
[  279.755615]  do_page_fault+0xf2/0x7e0
[  279.759415]  ? vmalloc_sync_all+0x30/0x30
[  279.763562]  ? error_entry+0x70/0xd0
[  279.767279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.772295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.777222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.782161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.787004]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.792021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.797473]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.802494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  279.807511]  ? page_fault+0x8/0x30
[  279.811052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.815894]  ? page_fault+0x8/0x30
[  279.819438]  page_fault+0x1e/0x30
[  279.822917] RIP: 0033:0x7f4afc2d3e40
[  279.826652] Code: Bad RIP value.
[  279.830013] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  279.835373] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  279.842641] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  279.849907] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  279.857173] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  279.864437] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  279.871719] warn_alloc_show_mem: 1 callbacks suppressed
[  279.871731] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  279.871733] Mem-Info:
[  279.871765] active_anon:57379 inactive_anon:189 isolated_anon:0
[  279.871765]  active_file:13 inactive_file:16 isolated_file:0
[  279.871765]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.871765]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  279.871765]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  279.871765]  free:13771 free_pcp:208 free_cma:0
[  279.877109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.884474] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.886874] Call Trace:
[  279.919737] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.929080]  <IRQ>
[  279.956579] lowmem_reserve[]: 0 2818 6321 6321
[  279.959164]  dump_stack+0x244/0x39d
[  279.985254] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.987399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.991955] lowmem_reserve[]: 0 0 3503 3503
[  279.995581]  warn_alloc.cold.116+0xb7/0x1bd
[  280.023134] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  280.028316]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.032611] lowmem_reserve[]: 0 0 0 0
[  280.036925]  ? lock_downgrade+0x900/0x900
[  280.065802] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  280.070644]  ? trace_hardirqs_off+0xb8/0x310
[  280.074420] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  280.078567]  ? trace_hardirqs_off+0xb8/0x310
[  280.092067] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  280.096473]  __alloc_pages_slowpath+0x2651/0x2de0
[  280.111884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.116301]  ? warn_alloc+0x120/0x120
[  280.130830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.135662]  ? print_usage_bug+0xc0/0xc0
[  280.144470] 273 total pagecache pages
[  280.148276]  ? warn_alloc+0x120/0x120
[  280.156833] 0 pages in swap cache
[  280.160883]  ? warn_alloc+0x120/0x120
[  280.164663] Swap cache stats: add 0, delete 0, find 0/0
[  280.168452]  ? print_usage_bug+0xc0/0xc0
[  280.171878] Free swap  = 0kB
[  280.175669]  ? print_usage_bug+0xc0/0xc0
[  280.181007] Total swap = 0kB
[  280.185063]  ? __lock_acquire+0x62f/0x4c20
[  280.188059] 1965979 pages RAM
[  280.192115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.195106] 0 pages HighMem/MovableOnly
[  280.199331]  ? should_fail+0x22d/0xd01
[  280.202414] 342853 pages reserved
[  280.207941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.211892] 0 pages cma reserved
[  280.215776]  ? __lock_acquire+0x62f/0x4c20
[  280.219271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.224298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.227722] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.231868]  ? __lock_acquire+0x62f/0x4c20
[  280.238337] cron cpuset=/ mems_allowed=0
[  280.243435]  ? should_fail+0x22d/0xd01
[  280.265259]  ? find_held_lock+0x36/0x1c0
[  280.269334]  ? mark_held_locks+0x130/0x130
[  280.273572]  ? mark_held_locks+0x130/0x130
[  280.277803]  ? zap_class+0x640/0x640
[  280.281519]  ? zap_class+0x640/0x640
[  280.285258]  ? print_usage_bug+0xc0/0xc0
[  280.289348]  ? do_raw_spin_unlock+0xa7/0x330
[  280.293754]  ? zap_class+0x640/0x640
[  280.297474]  ? print_usage_bug+0xc0/0xc0
[  280.301536]  ? wq_watchdog_touch+0x9c/0xfe
[  280.305778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.311315]  ? check_preemption_disabled+0x48/0x280
[  280.316358]  ? __lock_is_held+0xb5/0x140
[  280.320425]  __alloc_pages_nodemask+0xad8/0xea0
[  280.325092]  ? zap_class+0x640/0x640
[  280.328810]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  280.333850]  ? find_held_lock+0x36/0x1c0
[  280.337961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.342643]  ? lock_downgrade+0x900/0x900
[  280.346801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.352342]  cache_grow_begin+0xa5/0x8c0
[  280.356400]  ? do_raw_spin_unlock+0xa7/0x330
[  280.360824]  fallback_alloc+0x204/0x2e0
[  280.364952]  ____cache_alloc_node+0x1c7/0x1e0
[  280.369456]  kmem_cache_alloc_node+0xe3/0x730
[  280.373951]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.378198]  __alloc_skb+0x119/0x770
[  280.381927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.387226]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.391639]  ? lock_downgrade+0x900/0x900
[  280.395797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.401340]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.406797]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.412257]  ? addrconf_rs_timer+0x690/0x690
[  280.416677]  ndisc_alloc_skb+0x144/0x340
[  280.420775]  ndisc_send_rs+0x331/0x6e0
[  280.424667]  addrconf_rs_timer+0x314/0x690
[  280.428917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.433164]  call_timer_fn+0x272/0x920
[  280.437049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.441284]  ? process_timeout+0x40/0x40
[  280.445352]  ? __run_timers+0x7da/0xc70
[  280.449343]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.453837]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.458329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.462562]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.467145]  ? trace_hardirqs_on+0xbd/0x310
[  280.471466]  ? kasan_check_read+0x11/0x20
[  280.475621]  ? __run_timers+0x7da/0xc70
[  280.479594]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.484717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.488957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.493193]  __run_timers+0x7e5/0xc70
[  280.497491]  ? timer_fixup_init+0x70/0x70
[  280.501642]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.506662]  ? zap_class+0x640/0x640
[  280.510380]  ? enqueue_hrtimer+0x1a5/0x560
[  280.514615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.519811]  ? find_held_lock+0x36/0x1c0
[  280.523881]  ? zap_class+0x640/0x640
[  280.527596]  ? pvclock_read_flags+0x160/0x160
[  280.532092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.537645]  ? check_preemption_disabled+0x48/0x280
[  280.542688]  ? __lock_is_held+0xb5/0x140
[  280.546748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.552294]  ? check_preemption_disabled+0x48/0x280
[  280.557318]  run_timer_softirq+0x52/0xb0
[  280.561384]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.566399]  __do_softirq+0x308/0xb7e
[  280.570200]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.574693]  ? lock_downgrade+0x900/0x900
[  280.578878]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.583987]  ? pvclock_read_flags+0x160/0x160
[  280.588484]  ? lapic_next_event+0x5a/0x90
[  280.592632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.598173]  ? kvm_clock_read+0x18/0x30
[  280.602147]  ? kvm_sched_clock_read+0x9/0x20
[  280.606556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.612092]  ? check_preemption_disabled+0x48/0x280
[  280.617119]  irq_exit+0x17f/0x1c0
[  280.620573]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.625412]  ? smp_reschedule_interrupt+0x109/0x650
[  280.630426]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.636307]  ? interrupt_entry+0xb5/0xc0
[  280.640370]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.645382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.650446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.655291]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.660303]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.665318]  ? task_prio+0x50/0x50
[  280.668876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.674429]  ? check_preemption_disabled+0x48/0x280
[  280.679448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.684296]  apic_timer_interrupt+0xf/0x20
[  280.688554]  </IRQ>
[  280.690790] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.695718] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  280.714613] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.722319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  280.729583] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  280.736846] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  280.744110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  280.751380] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  280.758681]  skb_clone+0x1bb/0x500
[  280.762225]  ? finish_task_switch+0x1b4/0x910
[  280.766731]  ? skb_split+0x11e0/0x11e0
[  280.770629]  ? preempt_notifier_register+0x200/0x200
[  280.775726]  ? __switch_to_asm+0x34/0x70
[  280.779795]  ? __switch_to_asm+0x34/0x70
[  280.783855]  ? __switch_to_asm+0x40/0x70
[  280.787909]  ? __switch_to_asm+0x34/0x70
[  280.791968]  ? __switch_to_asm+0x40/0x70
[  280.796027]  ? __switch_to_asm+0x34/0x70
[  280.800085]  ? __switch_to_asm+0x40/0x70
[  280.804141]  ? __switch_to_asm+0x34/0x70
[  280.808203]  ? __switch_to_asm+0x34/0x70
[  280.812281]  ? __switch_to_asm+0x40/0x70
[  280.816352]  ? __switch_to_asm+0x34/0x70
[  280.820417]  bpf_clone_redirect+0xb9/0x490
[  280.824652]  ? __schedule+0x8d7/0x21d0
[  280.828542]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  280.833560]  ? __sched_text_start+0x8/0x8
[  280.837707]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.842463]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.847046]  ? retint_kernel+0x2d/0x2d
[  280.850936]  ? find_held_lock+0x36/0x1c0
[  280.855001]  ? lock_acquire+0x1ed/0x520
[  280.858977]  ? bpf_test_run+0x3ee/0x7a0
[  280.862954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.868489]  ? check_preemption_disabled+0x48/0x280
[  280.873527]  ? kasan_check_read+0x11/0x20
[  280.877675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.882948]  ? rcu_softirq_qs+0x20/0x20
[  280.886944]  ? preempt_schedule+0x4d/0x60
[  280.891086]  ? ___preempt_schedule+0x16/0x18
[  280.895503]  ? bpf_test_run+0x271/0x7a0
[  280.899492]  ? netlink_diag_dump+0x2a0/0x2a0
[  280.903906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.909440]  ? bpf_test_init.isra.10+0x70/0x100
[  280.914113]  ? bpf_prog_test_run_skb+0x762/0xd60
[  280.918893]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  280.923742]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.929302]  ? fput+0x130/0x1a0
[  280.932581]  ? __bpf_prog_get+0x9b/0x290
[  280.936646]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  280.941489]  ? bpf_prog_test_run+0x130/0x1a0
[  280.945900]  ? __x64_sys_bpf+0x3d8/0x520
[  280.949961]  ? bpf_prog_get+0x20/0x20
[  280.953775]  ? do_syscall_64+0x1e1/0x820
[  280.957858]  ? do_syscall_64+0x1b9/0x820
[  280.961916]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  280.967284]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.972210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.977060]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.982085]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  280.987130]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.992150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.996996]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.002375] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  281.002440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.008878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.008883] Call Trace:
[  281.008888]  <IRQ>
[  281.008919]  dump_stack+0x244/0x39d
[  281.008939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.015494] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.024768]  warn_alloc.cold.116+0xb7/0x1bd
[  281.027332] syz-executor5 cpuset=syz5 mems_allowed=0
[  281.029479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.062956]  ? lock_downgrade+0x900/0x900
[  281.067116]  ? trace_hardirqs_off+0xb8/0x310
[  281.071529]  ? trace_hardirqs_off+0xb8/0x310
[  281.075950]  __alloc_pages_slowpath+0x2651/0x2de0
[  281.080824]  ? warn_alloc+0x120/0x120
[  281.084625]  ? print_usage_bug+0xc0/0xc0
[  281.088687]  ? warn_alloc+0x120/0x120
[  281.092491]  ? warn_alloc+0x120/0x120
[  281.096300]  ? print_usage_bug+0xc0/0xc0
[  281.100365]  ? kvm_clock_read+0x18/0x30
[  281.104342]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.109364]  ? print_usage_bug+0xc0/0xc0
[  281.113429]  ? __lock_acquire+0x62f/0x4c20
[  281.117670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.123210]  ? should_fail+0x22d/0xd01
[  281.127136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.132414]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.137520]  ? __lock_acquire+0x62f/0x4c20
[  281.141761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.146860]  ? __lock_acquire+0x62f/0x4c20
[  281.151091]  ? should_fail+0x22d/0xd01
[  281.154980]  ? rcu_irq_exit+0x1a2/0x390
[  281.158964]  ? mark_held_locks+0x130/0x130
[  281.163203]  ? mark_held_locks+0x130/0x130
[  281.167447]  ? mark_held_locks+0xc7/0x130
[  281.171596]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  281.176610]  ? zap_class+0x640/0x640
[  281.180322]  ? print_usage_bug+0xc0/0xc0
[  281.184390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.189932]  ? check_preemption_disabled+0x48/0x280
[  281.194960]  ? __lock_is_held+0xb5/0x140
[  281.199043]  __alloc_pages_nodemask+0xad8/0xea0
[  281.203723]  ? zap_class+0x640/0x640
[  281.207487]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  281.212513]  ? find_held_lock+0x36/0x1c0
[  281.216582]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.221259]  ? lock_downgrade+0x900/0x900
[  281.225420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.230960]  cache_grow_begin+0xa5/0x8c0
[  281.235053]  ? do_raw_spin_unlock+0xa7/0x330
[  281.239485]  fallback_alloc+0x204/0x2e0
[  281.243467]  ____cache_alloc_node+0x1c7/0x1e0
[  281.247983]  kmem_cache_alloc_node+0xe3/0x730
[  281.252478]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.256739]  __alloc_skb+0x119/0x770
[  281.260450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.265731]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.270142]  ? lock_downgrade+0x900/0x900
[  281.274305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.279843]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.285318]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.290770]  ? addrconf_rs_timer+0x690/0x690
[  281.295188]  ndisc_alloc_skb+0x144/0x340
[  281.299268]  ndisc_send_rs+0x331/0x6e0
[  281.303176]  addrconf_rs_timer+0x314/0x690
[  281.307413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.311688]  call_timer_fn+0x272/0x920
[  281.315588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.319825]  ? process_timeout+0x40/0x40
[  281.323896]  ? mark_held_locks+0xc7/0x130
[  281.328046]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.332537]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.337030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.341280]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.345863]  ? trace_hardirqs_on+0xbd/0x310
[  281.350180]  ? kasan_check_read+0x11/0x20
[  281.354327]  ? __run_timers+0x7da/0xc70
[  281.358302]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.363413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.368161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.372407]  __run_timers+0x7e5/0xc70
[  281.376229]  ? timer_fixup_init+0x70/0x70
[  281.380392]  ? kasan_check_read+0x11/0x20
[  281.384539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.389832]  ? rcu_softirq_qs+0x20/0x20
[  281.393811]  ? mark_held_locks+0xc7/0x130
[  281.397961]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.402719]  ? retint_kernel+0x2d/0x2d
[  281.406609]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.411538]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.416301]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.421764]  ? zap_class+0x640/0x640
[  281.425486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.431022]  ? check_preemption_disabled+0x48/0x280
[  281.436051]  ? __lock_is_held+0xb5/0x140
[  281.440117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.445658]  ? check_preemption_disabled+0x48/0x280
[  281.450694]  run_timer_softirq+0x52/0xb0
[  281.454766]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.459786]  __do_softirq+0x308/0xb7e
[  281.463591]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  281.468086]  ? lock_downgrade+0x900/0x900
[  281.472250]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.477369]  ? pvclock_read_flags+0x160/0x160
[  281.481869]  ? lapic_next_event+0x5a/0x90
[  281.486026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.491565]  ? kvm_clock_read+0x18/0x30
[  281.495537]  ? kvm_sched_clock_read+0x9/0x20
[  281.499957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.505508]  ? check_preemption_disabled+0x48/0x280
[  281.510533]  irq_exit+0x17f/0x1c0
[  281.513990]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.518831]  ? smp_reschedule_interrupt+0x109/0x650
[  281.523849]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.529729]  ? interrupt_entry+0xb5/0xc0
[  281.533803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.538832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.543883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.548728]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.553758]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.558771]  ? task_prio+0x50/0x50
[  281.562317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.567852]  ? check_preemption_disabled+0x48/0x280
[  281.572888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.577736]  apic_timer_interrupt+0xf/0x20
[  281.581964]  </IRQ>
[  281.584202] RIP: 0010:dump_stack+0x358/0x39d
[  281.588610] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  281.607522] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  281.615226] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  281.622502] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  281.629764] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  281.637057] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  281.644324] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  281.651607]  ? dump_stack+0x34f/0x39d
[  281.655419]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.660610]  ? mark_held_locks+0x130/0x130
[  281.664841]  ? mark_held_locks+0x130/0x130
[  281.669091]  dump_header+0x27b/0xf72
[  281.672829]  ? pagefault_out_of_memory+0x197/0x197
[  281.677765]  ? __lock_acquire+0x62f/0x4c20
[  281.682037]  ? percpu_ref_get_many+0x240/0x240
[  281.686622]  ? print_usage_bug+0xc0/0xc0
[  281.690720]  ? zap_class+0x640/0x640
[  281.694433]  ? print_usage_bug+0xc0/0xc0
[  281.698490]  ? print_usage_bug+0xc0/0xc0
[  281.702579]  ? zap_class+0x640/0x640
[  281.706301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.711842]  ? find_held_lock+0x36/0x1c0
[  281.715912]  ? mark_held_locks+0xc7/0x130
[  281.720061]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  281.725159]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  281.730293]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.734879]  ? trace_hardirqs_on+0xbd/0x310
[  281.739196]  ? kasan_check_read+0x11/0x20
[  281.743341]  ? ___ratelimit+0x3b4/0x672
[  281.747317]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.752421]  ? trace_hardirqs_on+0x310/0x310
[  281.756834]  ? lock_downgrade+0x900/0x900
[  281.760984]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.766085]  ? ___ratelimit+0x3b9/0x672
[  281.770063]  ? idr_get_free+0xf70/0xf70
[  281.774039]  ? find_held_lock+0x36/0x1c0
[  281.778105]  oom_kill_process.cold.27+0x10/0x903
[  281.782875]  ? zap_class+0x640/0x640
[  281.786585]  ? check_preemption_disabled+0x48/0x280
[  281.791601]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.796527]  ? kasan_check_read+0x11/0x20
[  281.800690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.805968]  ? oom_evaluate_task+0x540/0x540
[  281.810382]  ? find_held_lock+0x36/0x1c0
[  281.814450]  ? out_of_memory+0x974/0x1430
[  281.818597]  ? lock_downgrade+0x900/0x900
[  281.822745]  ? check_preemption_disabled+0x48/0x280
[  281.827761]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.832691]  ? kasan_check_read+0x11/0x20
[  281.836883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.842154]  ? rcu_softirq_qs+0x20/0x20
[  281.846148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.851684]  ? oom_evaluate_task+0x302/0x540
[  281.856096]  out_of_memory+0xa84/0x1430
[  281.860076]  ? oom_killer_disable+0x3a0/0x3a0
[  281.864571]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  281.869518]  ? __ww_mutex_check_waiters+0x160/0x160
[  281.874562]  __alloc_pages_slowpath+0x232c/0x2de0
[  281.879440]  ? warn_alloc+0x120/0x120
[  281.883236]  ? mark_held_locks+0x130/0x130
[  281.887487]  ? find_get_entry+0xaae/0x1120
[  281.891740]  ? filemap_map_pages+0x1a20/0x1a20
[  281.896328]  ? zap_class+0x640/0x640
[  281.900044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.905578]  ? check_preemption_disabled+0x48/0x280
[  281.910624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.916163]  ? should_fail+0x22d/0xd01
[  281.920059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.925164]  ? zap_class+0x640/0x640
[  281.928913]  ? __lock_is_held+0xb5/0x140
[  281.932980]  ? mark_held_locks+0x130/0x130
[  281.937217]  ? lock_release+0xa00/0xa00
[  281.941251]  ? perf_trace_sched_process_exec+0x860/0x860
[  281.946703]  ? xa_load+0x2ba/0x460
[  281.950250]  ? lock_downgrade+0x900/0x900
[  281.954406]  ? __might_sleep+0x95/0x190
[  281.958382]  __alloc_pages_nodemask+0xad8/0xea0
[  281.963059]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  281.968075]  ? __page_cache_alloc+0x191/0x5c0
[  281.972566]  ? xa_load+0x2e1/0x460
[  281.976107]  ? xa_clear_mark+0x40/0x40
[  281.980013]  ? zap_class+0x640/0x640
[  281.983732]  ? zap_class+0x640/0x640
[  281.987442]  ? zap_class+0x640/0x640
[  281.991158]  ? __do_page_cache_readahead+0x663/0x810
[  281.996274]  ? find_held_lock+0x36/0x1c0
[  282.000343]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  282.005882]  alloc_pages_current+0x173/0x350
[  282.010312]  __page_cache_alloc+0x38c/0x5c0
[  282.014630]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.019559]  ? kasan_check_read+0x11/0x20
[  282.023707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.029005]  ? generic_perform_write+0x6a0/0x6a0
[  282.033759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.039298]  ? check_preemption_disabled+0x48/0x280
[  282.044322]  filemap_fault+0x1595/0x25f0
[  282.048413]  ? __lock_page_or_retry+0xa00/0xa00
[  282.053086]  ? mark_held_locks+0x130/0x130
[  282.057329]  ? filemap_map_pages+0xd6b/0x1a20
[  282.061829]  ? lock_downgrade+0x900/0x900
[  282.065989]  ? check_preemption_disabled+0x48/0x280
[  282.071006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.075936]  ? kasan_check_read+0x11/0x20
[  282.080080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.085354]  ? rcu_softirq_qs+0x20/0x20
[  282.089347]  ? filemap_map_pages+0xd92/0x1a20
[  282.093896]  ? find_get_entries_tag+0x1400/0x1400
[  282.098809]  ? lock_acquire+0x1ed/0x520
[  282.102831]  ? ext4_filemap_fault+0x7a/0xad
[  282.107172]  ? lock_release+0xa00/0xa00
[  282.111141]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.116587]  ? mark_held_locks+0x130/0x130
[  282.120824]  ? print_usage_bug+0xc0/0xc0
[  282.124884]  ? print_usage_bug+0xc0/0xc0
[  282.128954]  ? down_read+0x8d/0x120
[  282.132576]  ? ext4_filemap_fault+0x7a/0xad
[  282.136900]  ? __down_interruptible+0x700/0x700
[  282.141580]  ext4_filemap_fault+0x82/0xad
[  282.145727]  __do_fault+0x100/0x6b0
[  282.149358]  ? pmd_devmap_trans_unstable+0x220/0x220
[  282.154462]  ? mark_held_locks+0x130/0x130
[  282.158697]  ? mark_held_locks+0x130/0x130
[  282.162951]  ? hrtimer_forward+0x2a0/0x2a0
[  282.167180]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  282.172020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.177564]  __handle_mm_fault+0x3ea6/0x5be0
[  282.181977]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  282.186833]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.191947]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.197047]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  282.201632]  ? trace_hardirqs_on+0xbd/0x310
[  282.205980]  ? kasan_check_read+0x11/0x20
[  282.210123]  ? __free_object+0x173/0x340
[  282.214196]  ? zap_class+0x640/0x640
[  282.217909]  ? zap_class+0x640/0x640
[  282.221630]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.226769]  ? find_held_lock+0x36/0x1c0
[  282.230842]  ? handle_mm_fault+0x42a/0xc70
[  282.235074]  ? lock_downgrade+0x900/0x900
[  282.239222]  ? check_preemption_disabled+0x48/0x280
[  282.244269]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.249201]  ? kasan_check_read+0x11/0x20
[  282.253347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.258621]  ? rcu_softirq_qs+0x20/0x20
[  282.262591]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.267695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.273236]  ? check_preemption_disabled+0x48/0x280
[  282.278283]  handle_mm_fault+0x54f/0xc70
[  282.282345]  ? __handle_mm_fault+0x5be0/0x5be0
[  282.286933]  ? find_vma+0x34/0x190
[  282.290481]  __do_page_fault+0x5e8/0xe60
[  282.294543]  ? trace_hardirqs_off+0xb8/0x310
[  282.298957]  do_page_fault+0xf2/0x7e0
[  282.302756]  ? vmalloc_sync_all+0x30/0x30
[  282.306918]  ? error_entry+0x70/0xd0
[  282.310635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.315650]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.320596]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.325528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.330371]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.335384]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.340840]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.345904]  ? prepare_exit_to_usermode+0x291/0x3b0
[  282.350933]  ? page_fault+0x8/0x30
[  282.354478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.359353]  ? page_fault+0x8/0x30
[  282.362892]  page_fault+0x1e/0x30
[  282.366836] RIP: 0033:0x7f4afc2d3e40
[  282.370557] Code: Bad RIP value.
[  282.373917] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  282.379298] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  282.386562] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  282.393823] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  282.401092] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  282.408361] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  282.415654] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  282.415660] warn_alloc_show_mem: 1 callbacks suppressed
[  282.415667] Mem-Info:
[  282.423025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.428393] active_anon:57379 inactive_anon:189 isolated_anon:0
[  282.428393]  active_file:13 inactive_file:16 isolated_file:0
[  282.428393]  unevictable:0 dirty:0 writeback:0 unstable:0
[  282.428393]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  282.428393]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  282.428393]  free:13771 free_pcp:208 free_cma:0
[  282.430782] Call Trace:
[  282.440172] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  282.473011]  <IRQ>
[  282.475584] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  282.503559]  dump_stack+0x244/0x39d
[  282.505689] lowmem_reserve[]: 0 2818 6321 6321
[  282.531798]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.535397] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  282.539992]  warn_alloc.cold.116+0xb7/0x1bd
[  282.545146] lowmem_reserve[]: 0 0 3503 3503
[  282.572723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.577020] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  282.581333]  ? lock_downgrade+0x900/0x900
[  282.586150] lowmem_reserve[]: 0 0 0 0
[  282.615036]  ? trace_hardirqs_off+0xb8/0x310
[  282.619154] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  282.622952]  ? trace_hardirqs_off+0xb8/0x310
[  282.627347] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  282.640888]  __alloc_pages_slowpath+0x2651/0x2de0
[  282.645274] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  282.660734]  ? warn_alloc+0x120/0x120
[  282.665539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.680092]  ? print_usage_bug+0xc0/0xc0
[  282.683878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.692695]  ? warn_alloc+0x120/0x120
[  282.696731] 273 total pagecache pages
[  282.705306]  ? warn_alloc+0x120/0x120
[  282.709126] 0 pages in swap cache
[  282.712942]  ? print_usage_bug+0xc0/0xc0
[  282.716717] Swap cache stats: add 0, delete 0, find 0/0
[  282.720158]  ? kvm_clock_read+0x18/0x30
[  282.724195] Free swap  = 0kB
[  282.729552]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  282.733500] Total swap = 0kB
[  282.736515]  ? print_usage_bug+0xc0/0xc0
[  282.741503] 1965979 pages RAM
[  282.744512]  ? __lock_acquire+0x62f/0x4c20
[  282.748546] 0 pages HighMem/MovableOnly
[  282.751647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.755855] 342853 pages reserved
[  282.759833]  ? should_fail+0x22d/0xd01
[  282.765344] 0 pages cma reserved
[  282.768793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.772727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.776042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.776072]  ? __lock_acquire+0x62f/0x4c20
[  282.776105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.781413] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.787841]  ? __lock_acquire+0x62f/0x4c20
[  282.792922] cron cpuset=/ mems_allowed=0
[  282.797146]  ? should_fail+0x22d/0xd01
[  282.824064]  ? rcu_irq_exit+0x1a2/0x390
[  282.828046]  ? mark_held_locks+0x130/0x130
[  282.832286]  ? mark_held_locks+0x130/0x130
[  282.836528]  ? mark_held_locks+0xc7/0x130
[  282.840677]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  282.845691]  ? zap_class+0x640/0x640
[  282.849406]  ? print_usage_bug+0xc0/0xc0
[  282.853472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.859035]  ? check_preemption_disabled+0x48/0x280
[  282.864075]  ? __lock_is_held+0xb5/0x140
[  282.868151]  __alloc_pages_nodemask+0xad8/0xea0
[  282.872816]  ? zap_class+0x640/0x640
[  282.876533]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  282.881558]  ? find_held_lock+0x36/0x1c0
[  282.885630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.890300]  ? lock_downgrade+0x900/0x900
[  282.894453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.900011]  cache_grow_begin+0xa5/0x8c0
[  282.904073]  ? do_raw_spin_unlock+0xa7/0x330
[  282.908487]  fallback_alloc+0x204/0x2e0
[  282.912466]  ____cache_alloc_node+0x1c7/0x1e0
[  282.916966]  kmem_cache_alloc_node+0xe3/0x730
[  282.921459]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.925706]  __alloc_skb+0x119/0x770
[  282.929415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.934698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.939105]  ? lock_downgrade+0x900/0x900
[  282.943271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.948809]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.954268]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.959718]  ? addrconf_rs_timer+0x690/0x690
[  282.964137]  ndisc_alloc_skb+0x144/0x340
[  282.968203]  ndisc_send_rs+0x331/0x6e0
[  282.972127]  addrconf_rs_timer+0x314/0x690
[  282.976394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.980637]  call_timer_fn+0x272/0x920
[  282.984523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.988757]  ? process_timeout+0x40/0x40
[  282.992831]  ? __run_timers+0x7da/0xc70
[  282.996806]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.001316]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.005807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.010039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.014636]  ? trace_hardirqs_on+0xbd/0x310
[  283.018959]  ? kasan_check_read+0x11/0x20
[  283.023104]  ? __run_timers+0x7da/0xc70
[  283.027082]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.032187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.036440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.040677]  __run_timers+0x7e5/0xc70
[  283.044486]  ? timer_fixup_init+0x70/0x70
[  283.048639]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.053654]  ? zap_class+0x640/0x640
[  283.057370]  ? enqueue_hrtimer+0x1a5/0x560
[  283.061605]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.066806]  ? find_held_lock+0x36/0x1c0
[  283.070872]  ? zap_class+0x640/0x640
[  283.074585]  ? pvclock_read_flags+0x160/0x160
[  283.079082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.084631]  ? check_preemption_disabled+0x48/0x280
[  283.089672]  ? __lock_is_held+0xb5/0x140
[  283.093733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.099305]  ? check_preemption_disabled+0x48/0x280
[  283.104325]  run_timer_softirq+0x52/0xb0
[  283.108389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.113407]  __do_softirq+0x308/0xb7e
[  283.117210]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  283.121706]  ? lock_downgrade+0x900/0x900
[  283.125856]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.130962]  ? pvclock_read_flags+0x160/0x160
[  283.135457]  ? lapic_next_event+0x5a/0x90
[  283.139625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.145163]  ? kvm_clock_read+0x18/0x30
[  283.149135]  ? kvm_sched_clock_read+0x9/0x20
[  283.153547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.159082]  ? check_preemption_disabled+0x48/0x280
[  283.164105]  irq_exit+0x17f/0x1c0
[  283.167560]  smp_apic_timer_interrupt+0x1cb/0x760
[  283.172405]  ? smp_reschedule_interrupt+0x109/0x650
[  283.177421]  ? smp_call_function_single_interrupt+0x650/0x650
[  283.183303]  ? interrupt_entry+0xb5/0xc0
[  283.187370]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.192387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.197421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.202271]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.207304]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.212321]  ? task_prio+0x50/0x50
[  283.215863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.221403]  ? check_preemption_disabled+0x48/0x280
[  283.226421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.231277]  apic_timer_interrupt+0xf/0x20
[  283.235503]  </IRQ>
[  283.237740] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  283.242675] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  283.261570] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  283.269277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  283.276543] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  283.283806] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  283.291072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  283.298336] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  283.305673]  skb_clone+0x1bb/0x500
[  283.309214]  ? finish_task_switch+0x1b4/0x910
[  283.313719]  ? skb_split+0x11e0/0x11e0
[  283.317607]  ? preempt_notifier_register+0x200/0x200
[  283.322719]  ? __switch_to_asm+0x34/0x70
[  283.326780]  ? __switch_to_asm+0x34/0x70
[  283.330835]  ? __switch_to_asm+0x40/0x70
[  283.334896]  ? __switch_to_asm+0x34/0x70
[  283.338951]  ? __switch_to_asm+0x40/0x70
[  283.343007]  ? __switch_to_asm+0x34/0x70
[  283.347066]  ? __switch_to_asm+0x40/0x70
[  283.351122]  ? __switch_to_asm+0x34/0x70
[  283.355183]  ? __switch_to_asm+0x34/0x70
[  283.359248]  ? __switch_to_asm+0x40/0x70
[  283.363306]  ? __switch_to_asm+0x34/0x70
[  283.367371]  bpf_clone_redirect+0xb9/0x490
[  283.371606]  ? __schedule+0x8d7/0x21d0
[  283.375513]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  283.380544]  ? __sched_text_start+0x8/0x8
[  283.384705]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.389462]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.394042]  ? retint_kernel+0x2d/0x2d
[  283.397945]  ? find_held_lock+0x36/0x1c0
[  283.402028]  ? lock_acquire+0x1ed/0x520
[  283.406002]  ? bpf_test_run+0x3ee/0x7a0
[  283.409990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.415526]  ? check_preemption_disabled+0x48/0x280
[  283.420565]  ? kasan_check_read+0x11/0x20
[  283.424713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.429991]  ? rcu_softirq_qs+0x20/0x20
[  283.433986]  ? preempt_schedule+0x4d/0x60
[  283.438131]  ? ___preempt_schedule+0x16/0x18
[  283.442544]  ? bpf_test_run+0x271/0x7a0
[  283.446530]  ? netlink_diag_dump+0x2a0/0x2a0
[  283.450940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.456487]  ? bpf_test_init.isra.10+0x70/0x100
[  283.461178]  ? bpf_prog_test_run_skb+0x762/0xd60
[  283.465956]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  283.470802]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  283.476340]  ? fput+0x130/0x1a0
[  283.479619]  ? __bpf_prog_get+0x9b/0x290
[  283.483682]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  283.488522]  ? bpf_prog_test_run+0x130/0x1a0
[  283.492946]  ? __x64_sys_bpf+0x3d8/0x520
[  283.497019]  ? bpf_prog_get+0x20/0x20
[  283.500861]  ? do_syscall_64+0x1e1/0x820
[  283.504960]  ? do_syscall_64+0x1b9/0x820
[  283.509018]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  283.514484]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.519414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.524263]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.529287]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  283.534322]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.539347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.544194]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  283.549573] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  283.549641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.556062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.556067] Call Trace:
[  283.556073]  <IRQ>
[  283.556105]  dump_stack+0x244/0x39d
[  283.556125]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.562645] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.571947]  warn_alloc.cold.116+0xb7/0x1bd
[  283.574500] syz-executor5 cpuset=syz5 mems_allowed=0
[  283.576642]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.610185]  ? lock_downgrade+0x900/0x900
[  283.614360]  ? trace_hardirqs_off+0xb8/0x310
[  283.618771]  ? trace_hardirqs_off+0xb8/0x310
[  283.623188]  __alloc_pages_slowpath+0x2651/0x2de0
[  283.628073]  ? warn_alloc+0x120/0x120
[  283.631903]  ? print_usage_bug+0xc0/0xc0
[  283.635978]  ? warn_alloc+0x120/0x120
[  283.639783]  ? warn_alloc+0x120/0x120
[  283.643599]  ? print_usage_bug+0xc0/0xc0
[  283.647675]  ? print_usage_bug+0xc0/0xc0
[  283.651794]  ? __lock_acquire+0x62f/0x4c20
[  283.656038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.661593]  ? should_fail+0x22d/0xd01
[  283.665483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.670591]  ? __lock_acquire+0x62f/0x4c20
[  283.674832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.679936]  ? __lock_acquire+0x62f/0x4c20
[  283.684171]  ? should_fail+0x22d/0xd01
[  283.688057]  ? find_held_lock+0x36/0x1c0
[  283.692124]  ? mark_held_locks+0x130/0x130
[  283.696359]  ? mark_held_locks+0x130/0x130
[  283.700604]  ? zap_class+0x640/0x640
[  283.704316]  ? zap_class+0x640/0x640
[  283.708034]  ? print_usage_bug+0xc0/0xc0
[  283.712092]  ? do_raw_spin_unlock+0xa7/0x330
[  283.716501]  ? zap_class+0x640/0x640
[  283.720216]  ? print_usage_bug+0xc0/0xc0
[  283.724292]  ? wq_watchdog_touch+0x9c/0xfe
[  283.728531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.734070]  ? check_preemption_disabled+0x48/0x280
[  283.739094]  ? __lock_is_held+0xb5/0x140
[  283.743161]  __alloc_pages_nodemask+0xad8/0xea0
[  283.747832]  ? zap_class+0x640/0x640
[  283.751549]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  283.756576]  ? find_held_lock+0x36/0x1c0
[  283.760646]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.765318]  ? lock_downgrade+0x900/0x900
[  283.769504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.775044]  cache_grow_begin+0xa5/0x8c0
[  283.779101]  ? do_raw_spin_unlock+0xa7/0x330
[  283.783515]  fallback_alloc+0x204/0x2e0
[  283.787499]  ____cache_alloc_node+0x1c7/0x1e0
[  283.792017]  kmem_cache_alloc_node+0xe3/0x730
[  283.796514]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.800754]  __alloc_skb+0x119/0x770
[  283.804483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.809778]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.814188]  ? lock_downgrade+0x900/0x900
[  283.818345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.823884]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.829339]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.834787]  ? addrconf_rs_timer+0x690/0x690
[  283.839206]  ndisc_alloc_skb+0x144/0x340
[  283.843284]  ndisc_send_rs+0x331/0x6e0
[  283.847175]  addrconf_rs_timer+0x314/0x690
[  283.851414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.855658]  call_timer_fn+0x272/0x920
[  283.859543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.863776]  ? process_timeout+0x40/0x40
[  283.867859]  ? mark_held_locks+0xc7/0x130
[  283.872009]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.876505]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.880998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.885235]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.889879]  ? trace_hardirqs_on+0xbd/0x310
[  283.894197]  ? kasan_check_read+0x11/0x20
[  283.898343]  ? __run_timers+0x7da/0xc70
[  283.902318]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.907422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.911659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.915902]  __run_timers+0x7e5/0xc70
[  283.919711]  ? timer_fixup_init+0x70/0x70
[  283.923871]  ? kasan_check_read+0x11/0x20
[  283.928014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.933293]  ? rcu_softirq_qs+0x20/0x20
[  283.937283]  ? mark_held_locks+0xc7/0x130
[  283.941434]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.946193]  ? retint_kernel+0x2d/0x2d
[  283.950079]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.955007]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.959764]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.965214]  ? zap_class+0x640/0x640
[  283.968940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.974477]  ? check_preemption_disabled+0x48/0x280
[  283.979506]  ? __lock_is_held+0xb5/0x140
[  283.983568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.989105]  ? check_preemption_disabled+0x48/0x280
[  283.994128]  run_timer_softirq+0x52/0xb0
[  283.998191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.003205]  __do_softirq+0x308/0xb7e
[  284.007032]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.011526]  ? lock_downgrade+0x900/0x900
[  284.015710]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.020863]  ? pvclock_read_flags+0x160/0x160
[  284.025362]  ? lapic_next_event+0x5a/0x90
[  284.029515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.035057]  ? kvm_clock_read+0x18/0x30
[  284.039048]  ? kvm_sched_clock_read+0x9/0x20
[  284.043461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.049001]  ? check_preemption_disabled+0x48/0x280
[  284.054027]  irq_exit+0x17f/0x1c0
[  284.057480]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.062323]  ? smp_reschedule_interrupt+0x109/0x650
[  284.067341]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.073236]  ? interrupt_entry+0xb5/0xc0
[  284.077334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.082347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.087361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.092203]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.097218]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.102252]  ? task_prio+0x50/0x50
[  284.105798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.111340]  ? check_preemption_disabled+0x48/0x280
[  284.116359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.121208]  apic_timer_interrupt+0xf/0x20
[  284.125444]  </IRQ>
[  284.127684] RIP: 0010:dump_stack+0x358/0x39d
[  284.132097] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  284.151007] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  284.158720] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  284.165999] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  284.173279] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  284.180545] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  284.187812] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  284.195121]  ? dump_stack+0x34f/0x39d
[  284.198948]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.204157]  ? mark_held_locks+0x130/0x130
[  284.208391]  ? mark_held_locks+0x130/0x130
[  284.212629]  dump_header+0x27b/0xf72
[  284.216358]  ? pagefault_out_of_memory+0x197/0x197
[  284.221328]  ? __lock_acquire+0x62f/0x4c20
[  284.225585]  ? percpu_ref_get_many+0x240/0x240
[  284.230166]  ? print_usage_bug+0xc0/0xc0
[  284.234233]  ? zap_class+0x640/0x640
[  284.237979]  ? print_usage_bug+0xc0/0xc0
[  284.242037]  ? print_usage_bug+0xc0/0xc0
[  284.246115]  ? zap_class+0x640/0x640
[  284.249831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.255370]  ? find_held_lock+0x36/0x1c0
[  284.259444]  ? mark_held_locks+0xc7/0x130
[  284.263590]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  284.268702]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  284.273808]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  284.278389]  ? trace_hardirqs_on+0xbd/0x310
[  284.282710]  ? kasan_check_read+0x11/0x20
[  284.286855]  ? ___ratelimit+0x3b4/0x672
[  284.290832]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.295936]  ? trace_hardirqs_on+0x310/0x310
[  284.300363]  ? lock_downgrade+0x900/0x900
[  284.304529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.309629]  ? ___ratelimit+0x3b9/0x672
[  284.313607]  ? idr_get_free+0xf70/0xf70
[  284.317578]  ? find_held_lock+0x36/0x1c0
[  284.321646]  oom_kill_process.cold.27+0x10/0x903
[  284.326402]  ? zap_class+0x640/0x640
[  284.330115]  ? check_preemption_disabled+0x48/0x280
[  284.335162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.340146]  ? kasan_check_read+0x11/0x20
[  284.344298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.349576]  ? oom_evaluate_task+0x540/0x540
[  284.353985]  ? find_held_lock+0x36/0x1c0
[  284.358054]  ? out_of_memory+0x974/0x1430
[  284.362202]  ? lock_downgrade+0x900/0x900
[  284.366830]  ? check_preemption_disabled+0x48/0x280
[  284.371850]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.376779]  ? kasan_check_read+0x11/0x20
[  284.380922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.386200]  ? rcu_softirq_qs+0x20/0x20
[  284.390179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.395712]  ? oom_evaluate_task+0x302/0x540
[  284.400149]  out_of_memory+0xa84/0x1430
[  284.404147]  ? oom_killer_disable+0x3a0/0x3a0
[  284.408646]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  284.413578]  ? __ww_mutex_check_waiters+0x160/0x160
[  284.418609]  __alloc_pages_slowpath+0x232c/0x2de0
[  284.423477]  ? warn_alloc+0x120/0x120
[  284.427284]  ? mark_held_locks+0x130/0x130
[  284.431526]  ? find_get_entry+0xaae/0x1120
[  284.435772]  ? filemap_map_pages+0x1a20/0x1a20
[  284.440359]  ? zap_class+0x640/0x640
[  284.444079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.449621]  ? check_preemption_disabled+0x48/0x280
[  284.454655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.460193]  ? should_fail+0x22d/0xd01
[  284.464085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.469914]  ? zap_class+0x640/0x640
[  284.473656]  ? __lock_is_held+0xb5/0x140
[  284.477724]  ? mark_held_locks+0x130/0x130
[  284.481964]  ? lock_release+0xa00/0xa00
[  284.485938]  ? perf_trace_sched_process_exec+0x860/0x860
[  284.491390]  ? xa_load+0x2ba/0x460
[  284.494948]  ? lock_downgrade+0x900/0x900
[  284.499302]  ? __might_sleep+0x95/0x190
[  284.503289]  __alloc_pages_nodemask+0xad8/0xea0
[  284.507969]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  284.512987]  ? __page_cache_alloc+0x191/0x5c0
[  284.517477]  ? xa_load+0x2e1/0x460
[  284.521033]  ? xa_clear_mark+0x40/0x40
[  284.524924]  ? zap_class+0x640/0x640
[  284.528644]  ? zap_class+0x640/0x640
[  284.532357]  ? zap_class+0x640/0x640
[  284.536069]  ? __do_page_cache_readahead+0x663/0x810
[  284.541179]  ? find_held_lock+0x36/0x1c0
[  284.545252]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  284.550829]  alloc_pages_current+0x173/0x350
[  284.555269]  __page_cache_alloc+0x38c/0x5c0
[  284.559588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.564515]  ? kasan_check_read+0x11/0x20
[  284.568660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.573938]  ? generic_perform_write+0x6a0/0x6a0
[  284.578693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.584252]  ? check_preemption_disabled+0x48/0x280
[  284.589288]  filemap_fault+0x1595/0x25f0
[  284.593362]  ? __lock_page_or_retry+0xa00/0xa00
[  284.598031]  ? mark_held_locks+0x130/0x130
[  284.602289]  ? filemap_map_pages+0xd6b/0x1a20
[  284.606786]  ? lock_downgrade+0x900/0x900
[  284.610932]  ? check_preemption_disabled+0x48/0x280
[  284.615948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.620905]  ? kasan_check_read+0x11/0x20
[  284.625054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.630327]  ? rcu_softirq_qs+0x20/0x20
[  284.634321]  ? filemap_map_pages+0xd92/0x1a20
[  284.638828]  ? find_get_entries_tag+0x1400/0x1400
[  284.643693]  ? lock_acquire+0x1ed/0x520
[  284.647664]  ? ext4_filemap_fault+0x7a/0xad
[  284.651993]  ? lock_release+0xa00/0xa00
[  284.655965]  ? perf_trace_sched_process_exec+0x860/0x860
[  284.661410]  ? mark_held_locks+0x130/0x130
[  284.665647]  ? print_usage_bug+0xc0/0xc0
[  284.669707]  ? print_usage_bug+0xc0/0xc0
[  284.673776]  ? down_read+0x8d/0x120
[  284.677398]  ? ext4_filemap_fault+0x7a/0xad
[  284.681723]  ? __down_interruptible+0x700/0x700
[  284.686401]  ext4_filemap_fault+0x82/0xad
[  284.690554]  __do_fault+0x100/0x6b0
[  284.694189]  ? pmd_devmap_trans_unstable+0x220/0x220
[  284.699318]  ? mark_held_locks+0x130/0x130
[  284.703558]  ? mark_held_locks+0x130/0x130
[  284.707800]  ? hrtimer_forward+0x2a0/0x2a0
[  284.712033]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  284.716874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.722432]  __handle_mm_fault+0x3ea6/0x5be0
[  284.726851]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  284.731692]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  284.736790]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  284.741897]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  284.746481]  ? trace_hardirqs_on+0xbd/0x310
[  284.750803]  ? kasan_check_read+0x11/0x20
[  284.754967]  ? __free_object+0x173/0x340
[  284.759043]  ? zap_class+0x640/0x640
[  284.762758]  ? zap_class+0x640/0x640
[  284.766470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.771595]  ? find_held_lock+0x36/0x1c0
[  284.775669]  ? handle_mm_fault+0x42a/0xc70
[  284.779903]  ? lock_downgrade+0x900/0x900
[  284.784052]  ? check_preemption_disabled+0x48/0x280
[  284.789071]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.794014]  ? kasan_check_read+0x11/0x20
[  284.798171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.803466]  ? rcu_softirq_qs+0x20/0x20
[  284.807440]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.812545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.818084]  ? check_preemption_disabled+0x48/0x280
[  284.823132]  handle_mm_fault+0x54f/0xc70
[  284.827193]  ? __handle_mm_fault+0x5be0/0x5be0
[  284.831799]  ? find_vma+0x34/0x190
[  284.835374]  __do_page_fault+0x5e8/0xe60
[  284.839432]  ? trace_hardirqs_off+0xb8/0x310
[  284.843866]  do_page_fault+0xf2/0x7e0
[  284.847670]  ? vmalloc_sync_all+0x30/0x30
[  284.851826]  ? error_entry+0x70/0xd0
[  284.855554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.860567]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.865496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.870425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.875278]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.880298]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.885750]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.890768]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.895782]  ? page_fault+0x8/0x30
[  284.899328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.904171]  ? page_fault+0x8/0x30
[  284.907713]  page_fault+0x1e/0x30
[  284.911161] RIP: 0033:0x7f4afc2d3e40
[  284.914882] Code: Bad RIP value.
[  284.918257] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  284.923619] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  284.930886] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  284.938177] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  284.945455] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  284.952722] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  284.960031] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  284.960036] warn_alloc_show_mem: 1 callbacks suppressed
[  284.960043] Mem-Info:
[  284.967401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.972808] active_anon:57379 inactive_anon:189 isolated_anon:0
[  284.972808]  active_file:13 inactive_file:16 isolated_file:0
[  284.972808]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.972808]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  284.972808]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  284.972808]  free:13771 free_pcp:208 free_cma:0
[  284.975179] Call Trace:
[  284.984572] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.017416]  <IRQ>
[  285.019988] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  285.047479]  dump_stack+0x244/0x39d
[  285.049611] lowmem_reserve[]: 0 2818 6321 6321
[  285.075711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.079317] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  285.083899]  warn_alloc.cold.116+0xb7/0x1bd
[  285.089086] lowmem_reserve[]: 0 0 3503 3503
[  285.116662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.120972] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  285.125294]  ? lock_downgrade+0x900/0x900
[  285.130109] lowmem_reserve[]: 0 0 0 0
[  285.159016]  ? trace_hardirqs_off+0xb8/0x310
[  285.163142] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  285.166939]  ? trace_hardirqs_off+0xb8/0x310
[  285.171323] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  285.184842]  __alloc_pages_slowpath+0x2651/0x2de0
[  285.189221] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  285.204689]  ? warn_alloc+0x120/0x120
[  285.209474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  285.224028]  ? print_usage_bug+0xc0/0xc0
[  285.227806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  285.236629]  ? warn_alloc+0x120/0x120
[  285.240663] 273 total pagecache pages
[  285.249231]  ? warn_alloc+0x120/0x120
[  285.253019] 0 pages in swap cache
[  285.256823]  ? print_usage_bug+0xc0/0xc0
[  285.260600] Swap cache stats: add 0, delete 0, find 0/0
[  285.264040]  ? print_usage_bug+0xc0/0xc0
[  285.268073] Free swap  = 0kB
[  285.273428]  ? __lock_acquire+0x62f/0x4c20
[  285.277467] Total swap = 0kB
[  285.280491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.284697] 1965979 pages RAM
[  285.287731]  ? should_fail+0x22d/0xd01
[  285.293238] 0 pages HighMem/MovableOnly
[  285.296349]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.300209] 342853 pages reserved
[  285.304180]  ? __lock_acquire+0x62f/0x4c20
[  285.309284] 0 pages cma reserved
[  285.312760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.317047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.320324]  ? __lock_acquire+0x62f/0x4c20
[  285.320341]  ? should_fail+0x22d/0xd01
[  285.325510] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.331914]  ? find_held_lock+0x36/0x1c0
[  285.336122] cron cpuset=/ mems_allowed=0
[  285.340000]  ? mark_held_locks+0x130/0x130
[  285.362011]  ? mark_held_locks+0x130/0x130
[  285.366270]  ? zap_class+0x640/0x640
[  285.369984]  ? zap_class+0x640/0x640
[  285.373697]  ? print_usage_bug+0xc0/0xc0
[  285.377789]  ? do_raw_spin_unlock+0xa7/0x330
[  285.382200]  ? zap_class+0x640/0x640
[  285.385915]  ? print_usage_bug+0xc0/0xc0
[  285.389971]  ? wq_watchdog_touch+0x9c/0xfe
[  285.394211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.399755]  ? check_preemption_disabled+0x48/0x280
[  285.404805]  ? __lock_is_held+0xb5/0x140
[  285.408873]  __alloc_pages_nodemask+0xad8/0xea0
[  285.413539]  ? zap_class+0x640/0x640
[  285.417280]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  285.422309]  ? find_held_lock+0x36/0x1c0
[  285.426381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.431052]  ? lock_downgrade+0x900/0x900
[  285.435209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.440772]  cache_grow_begin+0xa5/0x8c0
[  285.444843]  ? do_raw_spin_unlock+0xa7/0x330
[  285.449280]  fallback_alloc+0x204/0x2e0
[  285.453309]  ____cache_alloc_node+0x1c7/0x1e0
[  285.457816]  kmem_cache_alloc_node+0xe3/0x730
[  285.462313]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.466560]  __alloc_skb+0x119/0x770
[  285.470275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.475573]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.479983]  ? lock_downgrade+0x900/0x900
[  285.484155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.489691]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.495147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.500596]  ? addrconf_rs_timer+0x690/0x690
[  285.505018]  ndisc_alloc_skb+0x144/0x340
[  285.509081]  ndisc_send_rs+0x331/0x6e0
[  285.512972]  addrconf_rs_timer+0x314/0x690
[  285.517212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.521462]  call_timer_fn+0x272/0x920
[  285.525349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.529585]  ? process_timeout+0x40/0x40
[  285.533650]  ? __run_timers+0x7da/0xc70
[  285.537643]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.542164]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.546657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.550908]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.555501]  ? trace_hardirqs_on+0xbd/0x310
[  285.559821]  ? kasan_check_read+0x11/0x20
[  285.563970]  ? __run_timers+0x7da/0xc70
[  285.567943]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.573049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.577292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.581526]  __run_timers+0x7e5/0xc70
[  285.585334]  ? timer_fixup_init+0x70/0x70
[  285.589483]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.594499]  ? zap_class+0x640/0x640
[  285.598234]  ? enqueue_hrtimer+0x1a5/0x560
[  285.602509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.607702]  ? find_held_lock+0x36/0x1c0
[  285.611774]  ? zap_class+0x640/0x640
[  285.615492]  ? pvclock_read_flags+0x160/0x160
[  285.619986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.625522]  ? check_preemption_disabled+0x48/0x280
[  285.630548]  ? __lock_is_held+0xb5/0x140
[  285.634608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.640144]  ? check_preemption_disabled+0x48/0x280
[  285.645168]  run_timer_softirq+0x52/0xb0
[  285.649232]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.654280]  __do_softirq+0x308/0xb7e
[  285.658082]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.662574]  ? lock_downgrade+0x900/0x900
[  285.666725]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.671864]  ? pvclock_read_flags+0x160/0x160
[  285.676362]  ? lapic_next_event+0x5a/0x90
[  285.680509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.686049]  ? kvm_clock_read+0x18/0x30
[  285.690034]  ? kvm_sched_clock_read+0x9/0x20
[  285.694444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.699979]  ? check_preemption_disabled+0x48/0x280
[  285.705032]  irq_exit+0x17f/0x1c0
[  285.708493]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.713335]  ? smp_reschedule_interrupt+0x109/0x650
[  285.718367]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.724261]  ? interrupt_entry+0xb5/0xc0
[  285.728319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.733334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.738352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.743202]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.748218]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.753247]  ? task_prio+0x50/0x50
[  285.756796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.762332]  ? check_preemption_disabled+0x48/0x280
[  285.767354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.772208]  apic_timer_interrupt+0xf/0x20
[  285.776440]  </IRQ>
[  285.778677] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  285.783611] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  285.802507] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  285.810209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  285.817481] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  285.824749] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  285.832029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  285.839299] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  285.846600]  skb_clone+0x1bb/0x500
[  285.850143]  ? finish_task_switch+0x1b4/0x910
[  285.854656]  ? skb_split+0x11e0/0x11e0
[  285.858546]  ? preempt_notifier_register+0x200/0x200
[  285.863644]  ? __switch_to_asm+0x34/0x70
[  285.867716]  ? __switch_to_asm+0x34/0x70
[  285.871775]  ? __switch_to_asm+0x40/0x70
[  285.875837]  ? __switch_to_asm+0x34/0x70
[  285.879892]  ? __switch_to_asm+0x40/0x70
[  285.883953]  ? __switch_to_asm+0x34/0x70
[  285.888010]  ? __switch_to_asm+0x40/0x70
[  285.892066]  ? __switch_to_asm+0x34/0x70
[  285.896122]  ? __switch_to_asm+0x34/0x70
[  285.900184]  ? __switch_to_asm+0x40/0x70
[  285.904252]  ? __switch_to_asm+0x34/0x70
[  285.908322]  bpf_clone_redirect+0xb9/0x490
[  285.912554]  ? __schedule+0x8d7/0x21d0
[  285.916446]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  285.921464]  ? __sched_text_start+0x8/0x8
[  285.925613]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  285.930374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.934952]  ? retint_kernel+0x2d/0x2d
[  285.938873]  ? find_held_lock+0x36/0x1c0
[  285.942941]  ? lock_acquire+0x1ed/0x520
[  285.946914]  ? bpf_test_run+0x3ee/0x7a0
[  285.950900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.956436]  ? check_preemption_disabled+0x48/0x280
[  285.961462]  ? kasan_check_read+0x11/0x20
[  285.965607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.970896]  ? rcu_softirq_qs+0x20/0x20
[  285.974884]  ? preempt_schedule+0x4d/0x60
[  285.979047]  ? ___preempt_schedule+0x16/0x18
[  285.983461]  ? bpf_test_run+0x271/0x7a0
[  285.987451]  ? netlink_diag_dump+0x2a0/0x2a0
[  285.991878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.997415]  ? bpf_test_init.isra.10+0x70/0x100
[  286.002087]  ? bpf_prog_test_run_skb+0x762/0xd60
[  286.006845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.011716]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.017270]  ? fput+0x130/0x1a0
[  286.020550]  ? __bpf_prog_get+0x9b/0x290
[  286.024612]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.029449]  ? bpf_prog_test_run+0x130/0x1a0
[  286.033857]  ? __x64_sys_bpf+0x3d8/0x520
[  286.037920]  ? bpf_prog_get+0x20/0x20
[  286.041729]  ? do_syscall_64+0x1e1/0x820
[  286.045803]  ? do_syscall_64+0x1b9/0x820
[  286.049899]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.055281]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.060212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.065059]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.070075]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.075097]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.080130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.084976]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.090369] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  286.090437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.096857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.096863] Call Trace:
[  286.096868]  <IRQ>
[  286.096886]  dump_stack+0x244/0x39d
[  286.096923]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.103446] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.112748]  warn_alloc.cold.116+0xb7/0x1bd
[  286.115303] syz-executor5 cpuset=syz5 mems_allowed=0
[  286.117460]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.150934]  ? lock_downgrade+0x900/0x900
[  286.155103]  ? trace_hardirqs_off+0xb8/0x310
[  286.159518]  ? trace_hardirqs_off+0xb8/0x310
[  286.163934]  __alloc_pages_slowpath+0x2651/0x2de0
[  286.168802]  ? warn_alloc+0x120/0x120
[  286.172639]  ? print_usage_bug+0xc0/0xc0
[  286.176705]  ? warn_alloc+0x120/0x120
[  286.180513]  ? warn_alloc+0x120/0x120
[  286.184317]  ? print_usage_bug+0xc0/0xc0
[  286.188381]  ? kvm_clock_read+0x18/0x30
[  286.192353]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  286.197370]  ? print_usage_bug+0xc0/0xc0
[  286.201432]  ? __lock_acquire+0x62f/0x4c20
[  286.205669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.211234]  ? should_fail+0x22d/0xd01
[  286.215131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.220413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.225517]  ? __lock_acquire+0x62f/0x4c20
[  286.229754]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.234855]  ? __lock_acquire+0x62f/0x4c20
[  286.239102]  ? should_fail+0x22d/0xd01
[  286.242982]  ? rcu_irq_exit+0x1a2/0x390
[  286.246970]  ? mark_held_locks+0x130/0x130
[  286.251212]  ? mark_held_locks+0x130/0x130
[  286.255460]  ? mark_held_locks+0xc7/0x130
[  286.259606]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  286.264619]  ? zap_class+0x640/0x640
[  286.268373]  ? print_usage_bug+0xc0/0xc0
[  286.272439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.277974]  ? check_preemption_disabled+0x48/0x280
[  286.282996]  ? __lock_is_held+0xb5/0x140
[  286.287060]  __alloc_pages_nodemask+0xad8/0xea0
[  286.291731]  ? zap_class+0x640/0x640
[  286.295461]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  286.300502]  ? find_held_lock+0x36/0x1c0
[  286.304578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.309285]  ? lock_downgrade+0x900/0x900
[  286.313440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.318997]  cache_grow_begin+0xa5/0x8c0
[  286.323056]  ? do_raw_spin_unlock+0xa7/0x330
[  286.327485]  fallback_alloc+0x204/0x2e0
[  286.331469]  ____cache_alloc_node+0x1c7/0x1e0
[  286.335968]  kmem_cache_alloc_node+0xe3/0x730
[  286.340477]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.344725]  __alloc_skb+0x119/0x770
[  286.348441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.353721]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.358130]  ? lock_downgrade+0x900/0x900
[  286.362292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.368303]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.373761]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.379211]  ? addrconf_rs_timer+0x690/0x690
[  286.383639]  ndisc_alloc_skb+0x144/0x340
[  286.387724]  ndisc_send_rs+0x331/0x6e0
[  286.391615]  addrconf_rs_timer+0x314/0x690
[  286.395857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.400104]  call_timer_fn+0x272/0x920
[  286.403989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.408223]  ? process_timeout+0x40/0x40
[  286.412310]  ? mark_held_locks+0xc7/0x130
[  286.416469]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.420978]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.425473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.429722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.434321]  ? trace_hardirqs_on+0xbd/0x310
[  286.438658]  ? kasan_check_read+0x11/0x20
[  286.442833]  ? __run_timers+0x7da/0xc70
[  286.446807]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.451912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.456150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.460414]  __run_timers+0x7e5/0xc70
[  286.464228]  ? timer_fixup_init+0x70/0x70
[  286.468400]  ? kasan_check_read+0x11/0x20
[  286.472576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.477868]  ? rcu_softirq_qs+0x20/0x20
[  286.481846]  ? mark_held_locks+0xc7/0x130
[  286.485995]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.490749]  ? retint_kernel+0x2d/0x2d
[  286.494636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.499723]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.504478]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.509927]  ? zap_class+0x640/0x640
[  286.513643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.519183]  ? check_preemption_disabled+0x48/0x280
[  286.524212]  ? __lock_is_held+0xb5/0x140
[  286.528288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.533824]  ? check_preemption_disabled+0x48/0x280
[  286.538845]  run_timer_softirq+0x52/0xb0
[  286.542909]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.547924]  __do_softirq+0x308/0xb7e
[  286.551730]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.556225]  ? lock_downgrade+0x900/0x900
[  286.560384]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.565493]  ? pvclock_read_flags+0x160/0x160
[  286.569991]  ? lapic_next_event+0x5a/0x90
[  286.574138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.579678]  ? kvm_clock_read+0x18/0x30
[  286.583649]  ? kvm_sched_clock_read+0x9/0x20
[  286.588060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.593597]  ? check_preemption_disabled+0x48/0x280
[  286.598621]  irq_exit+0x17f/0x1c0
[  286.602077]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.606921]  ? smp_reschedule_interrupt+0x109/0x650
[  286.611937]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.617821]  ? interrupt_entry+0xb5/0xc0
[  286.621880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.626895]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.631910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.636756]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.641772]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.646790]  ? task_prio+0x50/0x50
[  286.650334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.655874]  ? check_preemption_disabled+0x48/0x280
[  286.660892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.665740]  apic_timer_interrupt+0xf/0x20
[  286.669969]  </IRQ>
[  286.672206] RIP: 0010:dump_stack+0x358/0x39d
[  286.676612] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  286.695523] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  286.703228] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  286.710500] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  286.717763] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  286.725029] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  286.732295] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  286.739575]  ? dump_stack+0x34f/0x39d
[  286.743386]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.748582]  ? mark_held_locks+0x130/0x130
[  286.752817]  ? mark_held_locks+0x130/0x130
[  286.757059]  dump_header+0x27b/0xf72
[  286.760802]  ? pagefault_out_of_memory+0x197/0x197
[  286.765743]  ? __lock_acquire+0x62f/0x4c20
[  286.769978]  ? percpu_ref_get_many+0x240/0x240
[  286.774561]  ? print_usage_bug+0xc0/0xc0
[  286.778631]  ? zap_class+0x640/0x640
[  286.782359]  ? print_usage_bug+0xc0/0xc0
[  286.786419]  ? print_usage_bug+0xc0/0xc0
[  286.790482]  ? zap_class+0x640/0x640
[  286.794198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.799740]  ? find_held_lock+0x36/0x1c0
[  286.803807]  ? mark_held_locks+0xc7/0x130
[  286.807952]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  286.813052]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  286.818159]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.822756]  ? trace_hardirqs_on+0xbd/0x310
[  286.827117]  ? kasan_check_read+0x11/0x20
[  286.831276]  ? ___ratelimit+0x3b4/0x672
[  286.835267]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.840372]  ? trace_hardirqs_on+0x310/0x310
[  286.844781]  ? lock_downgrade+0x900/0x900
[  286.848932]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.854035]  ? ___ratelimit+0x3b9/0x672
[  286.858042]  ? idr_get_free+0xf70/0xf70
[  286.862019]  ? find_held_lock+0x36/0x1c0
[  286.866092]  oom_kill_process.cold.27+0x10/0x903
[  286.870880]  ? zap_class+0x640/0x640
[  286.874591]  ? check_preemption_disabled+0x48/0x280
[  286.879613]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.884538]  ? kasan_check_read+0x11/0x20
[  286.888683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.893974]  ? oom_evaluate_task+0x540/0x540
[  286.898386]  ? find_held_lock+0x36/0x1c0
[  286.902457]  ? out_of_memory+0x974/0x1430
[  286.906604]  ? lock_downgrade+0x900/0x900
[  286.910765]  ? check_preemption_disabled+0x48/0x280
[  286.915787]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.920715]  ? kasan_check_read+0x11/0x20
[  286.924859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.930150]  ? rcu_softirq_qs+0x20/0x20
[  286.934157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.939707]  ? oom_evaluate_task+0x302/0x540
[  286.944120]  out_of_memory+0xa84/0x1430
[  286.948101]  ? oom_killer_disable+0x3a0/0x3a0
[  286.952598]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  286.957530]  ? __ww_mutex_check_waiters+0x160/0x160
[  286.962560]  __alloc_pages_slowpath+0x232c/0x2de0
[  286.967430]  ? warn_alloc+0x120/0x120
[  286.971226]  ? mark_held_locks+0x130/0x130
[  286.975481]  ? find_get_entry+0xaae/0x1120
[  286.979728]  ? filemap_map_pages+0x1a20/0x1a20
[  286.984316]  ? zap_class+0x640/0x640
[  286.988036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.993572]  ? check_preemption_disabled+0x48/0x280
[  286.998590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.004124]  ? should_fail+0x22d/0xd01
[  287.008017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.013122]  ? zap_class+0x640/0x640
[  287.016863]  ? __lock_is_held+0xb5/0x140
[  287.020934]  ? mark_held_locks+0x130/0x130
[  287.025172]  ? lock_release+0xa00/0xa00
[  287.029145]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.034642]  ? xa_load+0x2ba/0x460
[  287.038215]  ? lock_downgrade+0x900/0x900
[  287.042430]  ? __might_sleep+0x95/0x190
[  287.046407]  __alloc_pages_nodemask+0xad8/0xea0
[  287.051086]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  287.056118]  ? __page_cache_alloc+0x191/0x5c0
[  287.060628]  ? xa_load+0x2e1/0x460
[  287.064171]  ? xa_clear_mark+0x40/0x40
[  287.068060]  ? zap_class+0x640/0x640
[  287.071792]  ? zap_class+0x640/0x640
[  287.075520]  ? zap_class+0x640/0x640
[  287.079234]  ? __do_page_cache_readahead+0x663/0x810
[  287.084353]  ? find_held_lock+0x36/0x1c0
[  287.088421]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  287.093962]  alloc_pages_current+0x173/0x350
[  287.098381]  __page_cache_alloc+0x38c/0x5c0
[  287.102700]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.107639]  ? kasan_check_read+0x11/0x20
[  287.111786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.117095]  ? generic_perform_write+0x6a0/0x6a0
[  287.121850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.127388]  ? check_preemption_disabled+0x48/0x280
[  287.132412]  filemap_fault+0x1595/0x25f0
[  287.136484]  ? __lock_page_or_retry+0xa00/0xa00
[  287.141157]  ? mark_held_locks+0x130/0x130
[  287.145403]  ? filemap_map_pages+0xd6b/0x1a20
[  287.149897]  ? lock_downgrade+0x900/0x900
[  287.154043]  ? check_preemption_disabled+0x48/0x280
[  287.159060]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.163987]  ? kasan_check_read+0x11/0x20
[  287.168134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.173405]  ? rcu_softirq_qs+0x20/0x20
[  287.177391]  ? filemap_map_pages+0xd92/0x1a20
[  287.181930]  ? find_get_entries_tag+0x1400/0x1400
[  287.186795]  ? lock_acquire+0x1ed/0x520
[  287.190769]  ? ext4_filemap_fault+0x7a/0xad
[  287.195111]  ? lock_release+0xa00/0xa00
[  287.199081]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.204530]  ? mark_held_locks+0x130/0x130
[  287.208768]  ? print_usage_bug+0xc0/0xc0
[  287.212832]  ? print_usage_bug+0xc0/0xc0
[  287.216919]  ? down_read+0x8d/0x120
[  287.220555]  ? ext4_filemap_fault+0x7a/0xad
[  287.224878]  ? __down_interruptible+0x700/0x700
[  287.229554]  ext4_filemap_fault+0x82/0xad
[  287.233707]  __do_fault+0x100/0x6b0
[  287.237340]  ? pmd_devmap_trans_unstable+0x220/0x220
[  287.242444]  ? mark_held_locks+0x130/0x130
[  287.246678]  ? mark_held_locks+0x130/0x130
[  287.250916]  ? hrtimer_forward+0x2a0/0x2a0
[  287.255161]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  287.260006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.265550]  __handle_mm_fault+0x3ea6/0x5be0
[  287.269966]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  287.274805]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.279904]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.285005]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  287.289586]  ? trace_hardirqs_on+0xbd/0x310
[  287.293919]  ? kasan_check_read+0x11/0x20
[  287.298065]  ? __free_object+0x173/0x340
[  287.302136]  ? zap_class+0x640/0x640
[  287.305847]  ? zap_class+0x640/0x640
[  287.309556]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.314663]  ? find_held_lock+0x36/0x1c0
[  287.318730]  ? handle_mm_fault+0x42a/0xc70
[  287.322963]  ? lock_downgrade+0x900/0x900
[  287.327112]  ? check_preemption_disabled+0x48/0x280
[  287.332132]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.337061]  ? kasan_check_read+0x11/0x20
[  287.341211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.346493]  ? rcu_softirq_qs+0x20/0x20
[  287.350470]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.355575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.361116]  ? check_preemption_disabled+0x48/0x280
[  287.366584]  handle_mm_fault+0x54f/0xc70
[  287.370649]  ? __handle_mm_fault+0x5be0/0x5be0
[  287.375238]  ? find_vma+0x34/0x190
[  287.378835]  __do_page_fault+0x5e8/0xe60
[  287.382898]  ? trace_hardirqs_off+0xb8/0x310
[  287.387318]  do_page_fault+0xf2/0x7e0
[  287.391123]  ? vmalloc_sync_all+0x30/0x30
[  287.395279]  ? error_entry+0x70/0xd0
[  287.398993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.404006]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.408934]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.413864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.418720]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.423764]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.429215]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.434282]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.439321]  ? page_fault+0x8/0x30
[  287.442892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.447753]  ? page_fault+0x8/0x30
[  287.451301]  page_fault+0x1e/0x30
[  287.454747] RIP: 0033:0x7f4afc2d3e40
[  287.458469] Code: Bad RIP value.
[  287.461829] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  287.467188] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  287.474453] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  287.481722] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  287.488991] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  287.496299] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  287.503586] warn_alloc_show_mem: 1 callbacks suppressed
[  287.503598] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  287.503600] Mem-Info:
[  287.503632] active_anon:57379 inactive_anon:189 isolated_anon:0
[  287.503632]  active_file:13 inactive_file:16 isolated_file:0
[  287.503632]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.503632]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  287.503632]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  287.503632]  free:13771 free_pcp:208 free_cma:0
[  287.508966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.516333] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.518729] Call Trace:
[  287.551609] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  287.560967]  <IRQ>
[  287.588447] lowmem_reserve[]: 0 2818 6321 6321
[  287.591027]  dump_stack+0x244/0x39d
[  287.617111] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  287.619264]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.623821] lowmem_reserve[]: 0 0 3503 3503
[  287.627451]  warn_alloc.cold.116+0xb7/0x1bd
[  287.655002] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  287.660184]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.664478] lowmem_reserve[]: 0 0 0 0
[  287.668815]  ? lock_downgrade+0x900/0x900
[  287.697690] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  287.702528]  ? trace_hardirqs_off+0xb8/0x310
[  287.706300] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  287.710446]  ? trace_hardirqs_off+0xb8/0x310
[  287.723942] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  287.728346]  __alloc_pages_slowpath+0x2651/0x2de0
[  287.743755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.748178]  ? warn_alloc+0x120/0x120
[  287.762703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.767533]  ? print_usage_bug+0xc0/0xc0
[  287.776346] 273 total pagecache pages
[  287.780142]  ? warn_alloc+0x120/0x120
[  287.788701] 0 pages in swap cache
[  287.792745]  ? warn_alloc+0x120/0x120
[  287.796525] Swap cache stats: add 0, delete 0, find 0/0
[  287.800313]  ? print_usage_bug+0xc0/0xc0
[  287.803739] Free swap  = 0kB
[  287.807530]  ? print_usage_bug+0xc0/0xc0
[  287.812870] Total swap = 0kB
[  287.816924]  ? __lock_acquire+0x62f/0x4c20
[  287.819921] 1965979 pages RAM
[  287.823978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.826982] 0 pages HighMem/MovableOnly
[  287.831224]  ? should_fail+0x22d/0xd01
[  287.834302] 342853 pages reserved
[  287.839844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.843802] 0 pages cma reserved
[  287.847684]  ? __lock_acquire+0x62f/0x4c20
[  287.851207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.856233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.856255]  ? __lock_acquire+0x62f/0x4c20
[  287.856277]  ? should_fail+0x22d/0xd01
[  287.859678] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.863851]  ? find_held_lock+0x36/0x1c0
[  287.870318] cron cpuset=/ mems_allowed=0
[  287.875438]  ? mark_held_locks+0x130/0x130
[  287.905544]  ? mark_held_locks+0x130/0x130
[  287.909779]  ? zap_class+0x640/0x640
[  287.913502]  ? zap_class+0x640/0x640
[  287.917217]  ? print_usage_bug+0xc0/0xc0
[  287.921280]  ? do_raw_spin_unlock+0xa7/0x330
[  287.925693]  ? zap_class+0x640/0x640
[  287.929406]  ? print_usage_bug+0xc0/0xc0
[  287.933468]  ? wq_watchdog_touch+0x9c/0xfe
[  287.937722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.943319]  ? check_preemption_disabled+0x48/0x280
[  287.948342]  ? __lock_is_held+0xb5/0x140
[  287.952418]  __alloc_pages_nodemask+0xad8/0xea0
[  287.957085]  ? zap_class+0x640/0x640
[  287.960803]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  287.965830]  ? find_held_lock+0x36/0x1c0
[  287.969900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.974572]  ? lock_downgrade+0x900/0x900
[  287.978725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.984279]  cache_grow_begin+0xa5/0x8c0
[  287.988345]  ? do_raw_spin_unlock+0xa7/0x330
[  287.992760]  fallback_alloc+0x204/0x2e0
[  287.996767]  ____cache_alloc_node+0x1c7/0x1e0
[  288.001273]  kmem_cache_alloc_node+0xe3/0x730
[  288.005779]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.010028]  __alloc_skb+0x119/0x770
[  288.013738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.019026]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.023434]  ? lock_downgrade+0x900/0x900
[  288.027589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.033128]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.038586]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.044033]  ? addrconf_rs_timer+0x690/0x690
[  288.048452]  ndisc_alloc_skb+0x144/0x340
[  288.052516]  ndisc_send_rs+0x331/0x6e0
[  288.056409]  addrconf_rs_timer+0x314/0x690
[  288.060648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.064896]  call_timer_fn+0x272/0x920
[  288.068789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.073022]  ? process_timeout+0x40/0x40
[  288.077099]  ? __run_timers+0x7da/0xc70
[  288.081073]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.085569]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.090065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.094297]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.098881]  ? trace_hardirqs_on+0xbd/0x310
[  288.103199]  ? kasan_check_read+0x11/0x20
[  288.107346]  ? __run_timers+0x7da/0xc70
[  288.111323]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.116433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.120673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.124904]  __run_timers+0x7e5/0xc70
[  288.128711]  ? timer_fixup_init+0x70/0x70
[  288.132865]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.137881]  ? zap_class+0x640/0x640
[  288.141598]  ? enqueue_hrtimer+0x1a5/0x560
[  288.145833]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.151030]  ? find_held_lock+0x36/0x1c0
[  288.155095]  ? zap_class+0x640/0x640
[  288.158812]  ? pvclock_read_flags+0x160/0x160
[  288.163307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.168847]  ? check_preemption_disabled+0x48/0x280
[  288.173872]  ? __lock_is_held+0xb5/0x140
[  288.177936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.183474]  ? check_preemption_disabled+0x48/0x280
[  288.188496]  run_timer_softirq+0x52/0xb0
[  288.192561]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.197575]  __do_softirq+0x308/0xb7e
[  288.201382]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.205877]  ? lock_downgrade+0x900/0x900
[  288.210037]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.215144]  ? pvclock_read_flags+0x160/0x160
[  288.219642]  ? lapic_next_event+0x5a/0x90
[  288.223798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.229338]  ? kvm_clock_read+0x18/0x30
[  288.233311]  ? kvm_sched_clock_read+0x9/0x20
[  288.237720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.243264]  ? check_preemption_disabled+0x48/0x280
[  288.248292]  irq_exit+0x17f/0x1c0
[  288.251749]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.256591]  ? smp_reschedule_interrupt+0x109/0x650
[  288.261607]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.267491]  ? interrupt_entry+0xb5/0xc0
[  288.271555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.276572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.281591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.286434]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.291449]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.296464]  ? task_prio+0x50/0x50
[  288.300004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.305543]  ? check_preemption_disabled+0x48/0x280
[  288.310569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.315422]  apic_timer_interrupt+0xf/0x20
[  288.319648]  </IRQ>
[  288.321888] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  288.326820] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  288.345717] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  288.353425] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  288.360692] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  288.368136] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  288.375402] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  288.382669] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  288.389972]  skb_clone+0x1bb/0x500
[  288.393515]  ? finish_task_switch+0x1b4/0x910
[  288.398010]  ? skb_split+0x11e0/0x11e0
[  288.401902]  ? preempt_notifier_register+0x200/0x200
[  288.407004]  ? __switch_to_asm+0x34/0x70
[  288.411061]  ? __switch_to_asm+0x34/0x70
[  288.415119]  ? __switch_to_asm+0x40/0x70
[  288.419175]  ? __switch_to_asm+0x34/0x70
[  288.423236]  ? __switch_to_asm+0x40/0x70
[  288.427305]  ? __switch_to_asm+0x34/0x70
[  288.431390]  ? __switch_to_asm+0x40/0x70
[  288.435450]  ? __switch_to_asm+0x34/0x70
[  288.439507]  ? __switch_to_asm+0x34/0x70
[  288.443563]  ? __switch_to_asm+0x40/0x70
[  288.447622]  ? __switch_to_asm+0x34/0x70
[  288.451863]  bpf_clone_redirect+0xb9/0x490
[  288.456186]  ? __schedule+0x8d7/0x21d0
[  288.460078]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  288.465094]  ? __sched_text_start+0x8/0x8
[  288.469237]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.474006]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.478588]  ? retint_kernel+0x2d/0x2d
[  288.482480]  ? find_held_lock+0x36/0x1c0
[  288.486555]  ? lock_acquire+0x1ed/0x520
[  288.490531]  ? bpf_test_run+0x3ee/0x7a0
[  288.494509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.500523]  ? check_preemption_disabled+0x48/0x280
[  288.505546]  ? kasan_check_read+0x11/0x20
[  288.509695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.514970]  ? rcu_softirq_qs+0x20/0x20
[  288.518949]  ? preempt_schedule+0x4d/0x60
[  288.523094]  ? ___preempt_schedule+0x16/0x18
[  288.527512]  ? bpf_test_run+0x271/0x7a0
[  288.531497]  ? netlink_diag_dump+0x2a0/0x2a0
[  288.535912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.541452]  ? bpf_test_init.isra.10+0x70/0x100
[  288.546129]  ? bpf_prog_test_run_skb+0x762/0xd60
[  288.550896]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  288.555747]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.561290]  ? fput+0x130/0x1a0
[  288.564573]  ? __bpf_prog_get+0x9b/0x290
[  288.568641]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  288.573483]  ? bpf_prog_test_run+0x130/0x1a0
[  288.577896]  ? __x64_sys_bpf+0x3d8/0x520
[  288.581954]  ? bpf_prog_get+0x20/0x20
[  288.585768]  ? do_syscall_64+0x1e1/0x820
[  288.589839]  ? do_syscall_64+0x1b9/0x820
[  288.593916]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  288.599284]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.604217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.609068]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.614085]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.619106]  ? prepare_exit_to_usermode+0x291/0x3b0
[  288.624131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.629005]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.634401] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  288.634470] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.640890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.640895] Call Trace:
[  288.640901]  <IRQ>
[  288.640918]  dump_stack+0x244/0x39d
[  288.640939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.647496] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.656767]  warn_alloc.cold.116+0xb7/0x1bd
[  288.659345] syz-executor5 cpuset=syz5 mems_allowed=0
[  288.661492]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.694960]  ? lock_downgrade+0x900/0x900
[  288.699114]  ? trace_hardirqs_off+0xb8/0x310
[  288.703532]  ? trace_hardirqs_off+0xb8/0x310
[  288.707948]  __alloc_pages_slowpath+0x2651/0x2de0
[  288.712846]  ? warn_alloc+0x120/0x120
[  288.716685]  ? print_usage_bug+0xc0/0xc0
[  288.720760]  ? warn_alloc+0x120/0x120
[  288.724589]  ? warn_alloc+0x120/0x120
[  288.728402]  ? print_usage_bug+0xc0/0xc0
[  288.732481]  ? print_usage_bug+0xc0/0xc0
[  288.736542]  ? __lock_acquire+0x62f/0x4c20
[  288.740797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.746338]  ? should_fail+0x22d/0xd01
[  288.750232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.755348]  ? __lock_acquire+0x62f/0x4c20
[  288.759585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.764684]  ? __lock_acquire+0x62f/0x4c20
[  288.768913]  ? should_fail+0x22d/0xd01
[  288.772798]  ? find_held_lock+0x36/0x1c0
[  288.776882]  ? mark_held_locks+0x130/0x130
[  288.781135]  ? mark_held_locks+0x130/0x130
[  288.785364]  ? zap_class+0x640/0x640
[  288.789076]  ? zap_class+0x640/0x640
[  288.792790]  ? print_usage_bug+0xc0/0xc0
[  288.796851]  ? do_raw_spin_unlock+0xa7/0x330
[  288.801277]  ? zap_class+0x640/0x640
[  288.804990]  ? print_usage_bug+0xc0/0xc0
[  288.809069]  ? wq_watchdog_touch+0x9c/0xfe
[  288.813309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.818849]  ? check_preemption_disabled+0x48/0x280
[  288.823890]  ? __lock_is_held+0xb5/0x140
[  288.827954]  __alloc_pages_nodemask+0xad8/0xea0
[  288.832652]  ? zap_class+0x640/0x640
[  288.836366]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  288.841394]  ? find_held_lock+0x36/0x1c0
[  288.845482]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.850159]  ? lock_downgrade+0x900/0x900
[  288.854347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.859889]  cache_grow_begin+0xa5/0x8c0
[  288.863949]  ? do_raw_spin_unlock+0xa7/0x330
[  288.868364]  fallback_alloc+0x204/0x2e0
[  288.872347]  ____cache_alloc_node+0x1c7/0x1e0
[  288.876864]  kmem_cache_alloc_node+0xe3/0x730
[  288.881358]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.885601]  __alloc_skb+0x119/0x770
[  288.889329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.894624]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.899029]  ? lock_downgrade+0x900/0x900
[  288.903183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.908721]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.914190]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.919643]  ? addrconf_rs_timer+0x690/0x690
[  288.924067]  ndisc_alloc_skb+0x144/0x340
[  288.928131]  ndisc_send_rs+0x331/0x6e0
[  288.932022]  addrconf_rs_timer+0x314/0x690
[  288.936275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.940525]  call_timer_fn+0x272/0x920
[  288.944410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.948649]  ? process_timeout+0x40/0x40
[  288.952722]  ? mark_held_locks+0xc7/0x130
[  288.956872]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.961369]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.965862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.970094]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.974716]  ? trace_hardirqs_on+0xbd/0x310
[  288.979036]  ? kasan_check_read+0x11/0x20
[  288.983186]  ? __run_timers+0x7da/0xc70
[  288.987158]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.992290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.996529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.000764]  __run_timers+0x7e5/0xc70
[  289.004574]  ? timer_fixup_init+0x70/0x70
[  289.008721]  ? kasan_check_read+0x11/0x20
[  289.012865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.018137]  ? rcu_softirq_qs+0x20/0x20
[  289.022113]  ? mark_held_locks+0xc7/0x130
[  289.026273]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.031031]  ? retint_kernel+0x2d/0x2d
[  289.034963]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.039906]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.044661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.050129]  ? zap_class+0x640/0x640
[  289.053849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.059388]  ? check_preemption_disabled+0x48/0x280
[  289.064412]  ? __lock_is_held+0xb5/0x140
[  289.068473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.074014]  ? check_preemption_disabled+0x48/0x280
[  289.079033]  run_timer_softirq+0x52/0xb0
[  289.083094]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.088111]  __do_softirq+0x308/0xb7e
[  289.091912]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.096408]  ? lock_downgrade+0x900/0x900
[  289.100559]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.105675]  ? pvclock_read_flags+0x160/0x160
[  289.110170]  ? lapic_next_event+0x5a/0x90
[  289.114335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.119875]  ? kvm_clock_read+0x18/0x30
[  289.123848]  ? kvm_sched_clock_read+0x9/0x20
[  289.128303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.133842]  ? check_preemption_disabled+0x48/0x280
[  289.138877]  irq_exit+0x17f/0x1c0
[  289.142333]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.147177]  ? smp_reschedule_interrupt+0x109/0x650
[  289.152191]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.158074]  ? interrupt_entry+0xb5/0xc0
[  289.162134]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.167150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.172166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.177009]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.182026]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.187041]  ? task_prio+0x50/0x50
[  289.190581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.196120]  ? check_preemption_disabled+0x48/0x280
[  289.201157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.206010]  apic_timer_interrupt+0xf/0x20
[  289.210239]  </IRQ>
[  289.212489] RIP: 0010:dump_stack+0x358/0x39d
[  289.216901] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  289.235814] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  289.243518] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  289.250782] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  289.258051] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  289.265319] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  289.272586] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  289.279867]  ? dump_stack+0x34f/0x39d
[  289.283689]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.288887]  ? mark_held_locks+0x130/0x130
[  289.293126]  ? mark_held_locks+0x130/0x130
[  289.297364]  dump_header+0x27b/0xf72
[  289.301092]  ? pagefault_out_of_memory+0x197/0x197
[  289.306028]  ? __lock_acquire+0x62f/0x4c20
[  289.310271]  ? percpu_ref_get_many+0x240/0x240
[  289.314857]  ? print_usage_bug+0xc0/0xc0
[  289.318923]  ? zap_class+0x640/0x640
[  289.322638]  ? print_usage_bug+0xc0/0xc0
[  289.326698]  ? print_usage_bug+0xc0/0xc0
[  289.330762]  ? zap_class+0x640/0x640
[  289.334476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.340017]  ? find_held_lock+0x36/0x1c0
[  289.344087]  ? mark_held_locks+0xc7/0x130
[  289.348238]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  289.353354]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  289.358456]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.363040]  ? trace_hardirqs_on+0xbd/0x310
[  289.367846]  ? kasan_check_read+0x11/0x20
[  289.371998]  ? ___ratelimit+0x3b4/0x672
[  289.375975]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.381080]  ? trace_hardirqs_on+0x310/0x310
[  289.385488]  ? lock_downgrade+0x900/0x900
[  289.389640]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.394740]  ? ___ratelimit+0x3b9/0x672
[  289.398716]  ? idr_get_free+0xf70/0xf70
[  289.402686]  ? find_held_lock+0x36/0x1c0
[  289.406765]  oom_kill_process.cold.27+0x10/0x903
[  289.411524]  ? zap_class+0x640/0x640
[  289.415235]  ? check_preemption_disabled+0x48/0x280
[  289.420312]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.425269]  ? kasan_check_read+0x11/0x20
[  289.429415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.434710]  ? oom_evaluate_task+0x540/0x540
[  289.439123]  ? find_held_lock+0x36/0x1c0
[  289.443203]  ? out_of_memory+0x974/0x1430
[  289.447352]  ? lock_downgrade+0x900/0x900
[  289.451504]  ? check_preemption_disabled+0x48/0x280
[  289.456527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.461456]  ? kasan_check_read+0x11/0x20
[  289.465603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.470878]  ? rcu_softirq_qs+0x20/0x20
[  289.474856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.480390]  ? oom_evaluate_task+0x302/0x540
[  289.484804]  out_of_memory+0xa84/0x1430
[  289.488781]  ? oom_killer_disable+0x3a0/0x3a0
[  289.493288]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  289.498235]  ? __ww_mutex_check_waiters+0x160/0x160
[  289.503294]  __alloc_pages_slowpath+0x232c/0x2de0
[  289.508166]  ? warn_alloc+0x120/0x120
[  289.511964]  ? mark_held_locks+0x130/0x130
[  289.516202]  ? find_get_entry+0xaae/0x1120
[  289.520444]  ? filemap_map_pages+0x1a20/0x1a20
[  289.525045]  ? zap_class+0x640/0x640
[  289.528782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.534321]  ? check_preemption_disabled+0x48/0x280
[  289.539336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.544871]  ? should_fail+0x22d/0xd01
[  289.548764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.553881]  ? zap_class+0x640/0x640
[  289.557662]  ? __lock_is_held+0xb5/0x140
[  289.561734]  ? mark_held_locks+0x130/0x130
[  289.565969]  ? lock_release+0xa00/0xa00
[  289.569940]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.575389]  ? xa_load+0x2ba/0x460
[  289.578941]  ? lock_downgrade+0x900/0x900
[  289.583095]  ? __might_sleep+0x95/0x190
[  289.587090]  __alloc_pages_nodemask+0xad8/0xea0
[  289.591762]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  289.596790]  ? __page_cache_alloc+0x191/0x5c0
[  289.601289]  ? xa_load+0x2e1/0x460
[  289.604827]  ? xa_clear_mark+0x40/0x40
[  289.608715]  ? zap_class+0x640/0x640
[  289.612439]  ? zap_class+0x640/0x640
[  289.616155]  ? zap_class+0x640/0x640
[  289.619866]  ? __do_page_cache_readahead+0x663/0x810
[  289.624972]  ? find_held_lock+0x36/0x1c0
[  289.629038]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  289.634584]  alloc_pages_current+0x173/0x350
[  289.638997]  __page_cache_alloc+0x38c/0x5c0
[  289.643329]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.648263]  ? kasan_check_read+0x11/0x20
[  289.652417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.657694]  ? generic_perform_write+0x6a0/0x6a0
[  289.662453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.667991]  ? check_preemption_disabled+0x48/0x280
[  289.673017]  filemap_fault+0x1595/0x25f0
[  289.677090]  ? __lock_page_or_retry+0xa00/0xa00
[  289.681762]  ? mark_held_locks+0x130/0x130
[  289.686022]  ? filemap_map_pages+0xd6b/0x1a20
[  289.690521]  ? lock_downgrade+0x900/0x900
[  289.694666]  ? check_preemption_disabled+0x48/0x280
[  289.699684]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.704609]  ? kasan_check_read+0x11/0x20
[  289.708798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.714089]  ? rcu_softirq_qs+0x20/0x20
[  289.718080]  ? filemap_map_pages+0xd92/0x1a20
[  289.722587]  ? find_get_entries_tag+0x1400/0x1400
[  289.727448]  ? lock_acquire+0x1ed/0x520
[  289.731424]  ? ext4_filemap_fault+0x7a/0xad
[  289.735754]  ? lock_release+0xa00/0xa00
[  289.739742]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.745192]  ? mark_held_locks+0x130/0x130
[  289.749423]  ? print_usage_bug+0xc0/0xc0
[  289.753497]  ? print_usage_bug+0xc0/0xc0
[  289.757572]  ? down_read+0x8d/0x120
[  289.761193]  ? ext4_filemap_fault+0x7a/0xad
[  289.765513]  ? __down_interruptible+0x700/0x700
[  289.770189]  ext4_filemap_fault+0x82/0xad
[  289.774358]  __do_fault+0x100/0x6b0
[  289.778004]  ? pmd_devmap_trans_unstable+0x220/0x220
[  289.783117]  ? mark_held_locks+0x130/0x130
[  289.787356]  ? mark_held_locks+0x130/0x130
[  289.791596]  ? hrtimer_forward+0x2a0/0x2a0
[  289.795826]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  289.800673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.806213]  __handle_mm_fault+0x3ea6/0x5be0
[  289.810640]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  289.815482]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  289.820581]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  289.825683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.830283]  ? trace_hardirqs_on+0xbd/0x310
[  289.834607]  ? kasan_check_read+0x11/0x20
[  289.838805]  ? __free_object+0x173/0x340
[  289.842891]  ? zap_class+0x640/0x640
[  289.846604]  ? zap_class+0x640/0x640
[  289.850314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.855426]  ? find_held_lock+0x36/0x1c0
[  289.859495]  ? handle_mm_fault+0x42a/0xc70
[  289.863742]  ? lock_downgrade+0x900/0x900
[  289.867888]  ? check_preemption_disabled+0x48/0x280
[  289.872907]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.877831]  ? kasan_check_read+0x11/0x20
[  289.881976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.887261]  ? rcu_softirq_qs+0x20/0x20
[  289.891249]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.896357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.901896]  ? check_preemption_disabled+0x48/0x280
[  289.906934]  handle_mm_fault+0x54f/0xc70
[  289.911001]  ? __handle_mm_fault+0x5be0/0x5be0
[  289.915590]  ? find_vma+0x34/0x190
[  289.919138]  __do_page_fault+0x5e8/0xe60
[  289.923201]  ? trace_hardirqs_off+0xb8/0x310
[  289.927618]  do_page_fault+0xf2/0x7e0
[  289.931420]  ? vmalloc_sync_all+0x30/0x30
[  289.935569]  ? error_entry+0x70/0xd0
[  289.939289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.944309]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.949238]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.954182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.959024]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.964037]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.969491]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.974512]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.979526]  ? page_fault+0x8/0x30
[  289.983072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.987917]  ? page_fault+0x8/0x30
[  289.991460]  page_fault+0x1e/0x30
[  289.994914] RIP: 0033:0x7f4afc2d3e40
[  289.998638] Code: Bad RIP value.
[  290.001998] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  290.007361] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  290.014630] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  290.021897] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  290.029166] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  290.036429] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  290.043726] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  290.043732] warn_alloc_show_mem: 1 callbacks suppressed
[  290.043739] Mem-Info:
[  290.051100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.056470] active_anon:57379 inactive_anon:189 isolated_anon:0
[  290.056470]  active_file:13 inactive_file:16 isolated_file:0
[  290.056470]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.056470]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  290.056470]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  290.056470]  free:13771 free_pcp:208 free_cma:0
[  290.058837] Call Trace:
[  290.068235] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.101073]  <IRQ>
[  290.103642] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  290.131136]  dump_stack+0x244/0x39d
[  290.133272] lowmem_reserve[]: 0 2818 6321 6321
[  290.159367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.162968] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.167550]  warn_alloc.cold.116+0xb7/0x1bd
[  290.172704] lowmem_reserve[]: 0 0 3503 3503
[  290.200301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.204595] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  290.208910]  ? lock_downgrade+0x900/0x900
[  290.213728] lowmem_reserve[]: 0 0 0 0
[  290.242612]  ? trace_hardirqs_off+0xb8/0x310
[  290.246731] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  290.250532]  ? trace_hardirqs_off+0xb8/0x310
[  290.254913] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  290.268431]  __alloc_pages_slowpath+0x2651/0x2de0
[  290.272812] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  290.288266]  ? warn_alloc+0x120/0x120
[  290.293066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.307645]  ? print_usage_bug+0xc0/0xc0
[  290.311430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.320261]  ? warn_alloc+0x120/0x120
[  290.324305] 273 total pagecache pages
[  290.332873]  ? warn_alloc+0x120/0x120
[  290.336660] 0 pages in swap cache
[  290.340448]  ? print_usage_bug+0xc0/0xc0
[  290.344225] Swap cache stats: add 0, delete 0, find 0/0
[  290.347688]  ? kvm_clock_read+0x18/0x30
[  290.351742] Free swap  = 0kB
[  290.357120]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.361068] Total swap = 0kB
[  290.364347]  ? print_usage_bug+0xc0/0xc0
[  290.369341] 1965979 pages RAM
[  290.372351]  ? __lock_acquire+0x62f/0x4c20
[  290.376391] 0 pages HighMem/MovableOnly
[  290.379493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.383701] 342853 pages reserved
[  290.387668]  ? should_fail+0x22d/0xd01
[  290.393176] 0 pages cma reserved
[  290.396620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.400547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.403843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.409177] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.415580]  ? __lock_acquire+0x62f/0x4c20
[  290.420660] cron cpuset=/ mems_allowed=0
[  290.430355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.443700]  ? __lock_acquire+0x62f/0x4c20
[  290.447951]  ? should_fail+0x22d/0xd01
[  290.451868]  ? rcu_irq_exit+0x1a2/0x390
[  290.455850]  ? mark_held_locks+0x130/0x130
[  290.460087]  ? mark_held_locks+0x130/0x130
[  290.464343]  ? mark_held_locks+0xc7/0x130
[  290.468695]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  290.473702]  ? zap_class+0x640/0x640
[  290.477414]  ? print_usage_bug+0xc0/0xc0
[  290.481476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.487032]  ? check_preemption_disabled+0x48/0x280
[  290.492059]  ? __lock_is_held+0xb5/0x140
[  290.496613]  __alloc_pages_nodemask+0xad8/0xea0
[  290.501297]  ? zap_class+0x640/0x640
[  290.505022]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  290.510049]  ? find_held_lock+0x36/0x1c0
[  290.514133]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.518802]  ? lock_downgrade+0x900/0x900
[  290.522956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.528496]  cache_grow_begin+0xa5/0x8c0
[  290.532556]  ? do_raw_spin_unlock+0xa7/0x330
[  290.536976]  fallback_alloc+0x204/0x2e0
[  290.540961]  ____cache_alloc_node+0x1c7/0x1e0
[  290.545465]  kmem_cache_alloc_node+0xe3/0x730
[  290.549959]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.554204]  __alloc_skb+0x119/0x770
[  290.557918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.563198]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.567606]  ? lock_downgrade+0x900/0x900
[  290.571763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.577308]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.582770]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.588235]  ? addrconf_rs_timer+0x690/0x690
[  290.592690]  ndisc_alloc_skb+0x144/0x340
[  290.596754]  ndisc_send_rs+0x331/0x6e0
[  290.600678]  addrconf_rs_timer+0x314/0x690
[  290.604928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.609171]  call_timer_fn+0x272/0x920
[  290.613081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.617331]  ? process_timeout+0x40/0x40
[  290.621411]  ? __run_timers+0x7da/0xc70
[  290.625401]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.629893]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.634389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.638637]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.643233]  ? trace_hardirqs_on+0xbd/0x310
[  290.647563]  ? kasan_check_read+0x11/0x20
[  290.651721]  ? __run_timers+0x7da/0xc70
[  290.655695]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.660802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.665042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.669289]  __run_timers+0x7e5/0xc70
[  290.673111]  ? timer_fixup_init+0x70/0x70
[  290.677296]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.682354]  ? zap_class+0x640/0x640
[  290.686074]  ? enqueue_hrtimer+0x1a5/0x560
[  290.690311]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.695505]  ? find_held_lock+0x36/0x1c0
[  290.699570]  ? zap_class+0x640/0x640
[  290.703295]  ? pvclock_read_flags+0x160/0x160
[  290.707794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.713333]  ? check_preemption_disabled+0x48/0x280
[  290.718393]  ? __lock_is_held+0xb5/0x140
[  290.722452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.727988]  ? check_preemption_disabled+0x48/0x280
[  290.733006]  run_timer_softirq+0x52/0xb0
[  290.737068]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.742090]  __do_softirq+0x308/0xb7e
[  290.745923]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  290.750412]  ? lock_downgrade+0x900/0x900
[  290.754568]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.759720]  ? pvclock_read_flags+0x160/0x160
[  290.764216]  ? lapic_next_event+0x5a/0x90
[  290.768371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.773917]  ? kvm_clock_read+0x18/0x30
[  290.777892]  ? kvm_sched_clock_read+0x9/0x20
[  290.782304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.787842]  ? check_preemption_disabled+0x48/0x280
[  290.792881]  irq_exit+0x17f/0x1c0
[  290.796361]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.801215]  ? smp_reschedule_interrupt+0x109/0x650
[  290.806238]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.812127]  ? interrupt_entry+0xb5/0xc0
[  290.816189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.821216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.826234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.831104]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.836119]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.841137]  ? task_prio+0x50/0x50
[  290.844689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.850239]  ? check_preemption_disabled+0x48/0x280
[  290.855282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.860131]  apic_timer_interrupt+0xf/0x20
[  290.864382]  </IRQ>
[  290.866623] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  290.871552] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  290.890450] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  290.898176] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  290.905444] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  290.912709] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  290.919976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  290.927251] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  290.934557]  skb_clone+0x1bb/0x500
[  290.938099]  ? finish_task_switch+0x1b4/0x910
[  290.942599]  ? skb_split+0x11e0/0x11e0
[  290.946490]  ? preempt_notifier_register+0x200/0x200
[  290.951588]  ? __switch_to_asm+0x34/0x70
[  290.955648]  ? __switch_to_asm+0x34/0x70
[  290.959704]  ? __switch_to_asm+0x40/0x70
[  290.963784]  ? __switch_to_asm+0x34/0x70
[  290.967846]  ? __switch_to_asm+0x40/0x70
[  290.971903]  ? __switch_to_asm+0x34/0x70
[  290.975963]  ? __switch_to_asm+0x40/0x70
[  290.980037]  ? __switch_to_asm+0x34/0x70
[  290.984106]  ? __switch_to_asm+0x34/0x70
[  290.988161]  ? __switch_to_asm+0x40/0x70
[  290.992221]  ? __switch_to_asm+0x34/0x70
[  290.996296]  bpf_clone_redirect+0xb9/0x490
[  291.000534]  ? __schedule+0x8d7/0x21d0
[  291.004425]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  291.009441]  ? __sched_text_start+0x8/0x8
[  291.013587]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.018348]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.022927]  ? retint_kernel+0x2d/0x2d
[  291.026821]  ? find_held_lock+0x36/0x1c0
[  291.030902]  ? lock_acquire+0x1ed/0x520
[  291.034874]  ? bpf_test_run+0x3ee/0x7a0
[  291.038855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.044392]  ? check_preemption_disabled+0x48/0x280
[  291.049413]  ? kasan_check_read+0x11/0x20
[  291.053556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.058832]  ? rcu_softirq_qs+0x20/0x20
[  291.062853]  ? preempt_schedule+0x4d/0x60
[  291.067013]  ? ___preempt_schedule+0x16/0x18
[  291.071430]  ? bpf_test_run+0x271/0x7a0
[  291.075418]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.079831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.085369]  ? bpf_test_init.isra.10+0x70/0x100
[  291.090047]  ? bpf_prog_test_run_skb+0x762/0xd60
[  291.094811]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.099663]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.105204]  ? fput+0x130/0x1a0
[  291.108505]  ? __bpf_prog_get+0x9b/0x290
[  291.112568]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.117409]  ? bpf_prog_test_run+0x130/0x1a0
[  291.121839]  ? __x64_sys_bpf+0x3d8/0x520
[  291.125914]  ? bpf_prog_get+0x20/0x20
[  291.129727]  ? do_syscall_64+0x1e1/0x820
[  291.133845]  ? do_syscall_64+0x1b9/0x820
[  291.137908]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.143278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.148206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.153047]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.158066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.163083]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.168119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.172969]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.178347] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  291.178419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.184840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.184846] Call Trace:
[  291.184851]  <IRQ>
[  291.184868]  dump_stack+0x244/0x39d
[  291.184890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.191411] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.200718]  warn_alloc.cold.116+0xb7/0x1bd
[  291.203277] syz-executor5 cpuset=syz5 mems_allowed=0
[  291.205419]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.238964]  ? lock_downgrade+0x900/0x900
[  291.243134]  ? trace_hardirqs_off+0xb8/0x310
[  291.247547]  ? trace_hardirqs_off+0xb8/0x310
[  291.251963]  __alloc_pages_slowpath+0x2651/0x2de0
[  291.256836]  ? warn_alloc+0x120/0x120
[  291.260638]  ? print_usage_bug+0xc0/0xc0
[  291.264703]  ? warn_alloc+0x120/0x120
[  291.268508]  ? warn_alloc+0x120/0x120
[  291.272311]  ? print_usage_bug+0xc0/0xc0
[  291.276372]  ? kvm_clock_read+0x18/0x30
[  291.280348]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  291.285365]  ? print_usage_bug+0xc0/0xc0
[  291.289431]  ? __lock_acquire+0x62f/0x4c20
[  291.293670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.299250]  ? should_fail+0x22d/0xd01
[  291.303138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.308416]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.313523]  ? __lock_acquire+0x62f/0x4c20
[  291.317779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.322882]  ? __lock_acquire+0x62f/0x4c20
[  291.327117]  ? should_fail+0x22d/0xd01
[  291.331004]  ? rcu_irq_exit+0x1a2/0x390
[  291.335002]  ? mark_held_locks+0x130/0x130
[  291.339250]  ? mark_held_locks+0x130/0x130
[  291.343498]  ? mark_held_locks+0xc7/0x130
[  291.347645]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  291.352664]  ? zap_class+0x640/0x640
[  291.356380]  ? print_usage_bug+0xc0/0xc0
[  291.360446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.366476]  ? check_preemption_disabled+0x48/0x280
[  291.371502]  ? __lock_is_held+0xb5/0x140
[  291.375572]  __alloc_pages_nodemask+0xad8/0xea0
[  291.380251]  ? zap_class+0x640/0x640
[  291.383973]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  291.388999]  ? find_held_lock+0x36/0x1c0
[  291.393088]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.397770]  ? lock_downgrade+0x900/0x900
[  291.401936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.407477]  cache_grow_begin+0xa5/0x8c0
[  291.411534]  ? do_raw_spin_unlock+0xa7/0x330
[  291.415993]  fallback_alloc+0x204/0x2e0
[  291.419975]  ____cache_alloc_node+0x1c7/0x1e0
[  291.424474]  kmem_cache_alloc_node+0xe3/0x730
[  291.428968]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.433212]  __alloc_skb+0x119/0x770
[  291.436943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.442225]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.446642]  ? lock_downgrade+0x900/0x900
[  291.450809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.456363]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.461818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.467312]  ? addrconf_rs_timer+0x690/0x690
[  291.471762]  ndisc_alloc_skb+0x144/0x340
[  291.475860]  ndisc_send_rs+0x331/0x6e0
[  291.479759]  addrconf_rs_timer+0x314/0x690
[  291.484002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.488253]  call_timer_fn+0x272/0x920
[  291.492145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.496381]  ? process_timeout+0x40/0x40
[  291.500449]  ? mark_held_locks+0xc7/0x130
[  291.504597]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.509088]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.513578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.517815]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.522397]  ? trace_hardirqs_on+0xbd/0x310
[  291.526716]  ? kasan_check_read+0x11/0x20
[  291.530865]  ? __run_timers+0x7da/0xc70
[  291.534842]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.539966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.544204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.548450]  __run_timers+0x7e5/0xc70
[  291.552271]  ? timer_fixup_init+0x70/0x70
[  291.556420]  ? kasan_check_read+0x11/0x20
[  291.560566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.565858]  ? rcu_softirq_qs+0x20/0x20
[  291.569839]  ? mark_held_locks+0xc7/0x130
[  291.573989]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.578750]  ? retint_kernel+0x2d/0x2d
[  291.582636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.587583]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.592344]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.597800]  ? zap_class+0x640/0x640
[  291.601520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.607059]  ? check_preemption_disabled+0x48/0x280
[  291.612116]  ? __lock_is_held+0xb5/0x140
[  291.616181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.621722]  ? check_preemption_disabled+0x48/0x280
[  291.626744]  run_timer_softirq+0x52/0xb0
[  291.630810]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.635826]  __do_softirq+0x308/0xb7e
[  291.639704]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.644209]  ? lock_downgrade+0x900/0x900
[  291.648364]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.653474]  ? pvclock_read_flags+0x160/0x160
[  291.657986]  ? lapic_next_event+0x5a/0x90
[  291.662152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.667694]  ? kvm_clock_read+0x18/0x30
[  291.671691]  ? kvm_sched_clock_read+0x9/0x20
[  291.676101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.681636]  ? check_preemption_disabled+0x48/0x280
[  291.686661]  irq_exit+0x17f/0x1c0
[  291.690114]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.694953]  ? smp_reschedule_interrupt+0x109/0x650
[  291.699972]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.705857]  ? interrupt_entry+0xb5/0xc0
[  291.709917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.714943]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.719992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.724834]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.729848]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.734866]  ? task_prio+0x50/0x50
[  291.738412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.743953]  ? check_preemption_disabled+0x48/0x280
[  291.748972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.753821]  apic_timer_interrupt+0xf/0x20
[  291.758048]  </IRQ>
[  291.760289] RIP: 0010:dump_stack+0x358/0x39d
[  291.764706] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  291.783604] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  291.791321] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  291.798590] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  291.805889] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  291.813169] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  291.820436] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  291.827734]  ? dump_stack+0x34f/0x39d
[  291.831559]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.836785]  ? mark_held_locks+0x130/0x130
[  291.841022]  ? mark_held_locks+0x130/0x130
[  291.845275]  dump_header+0x27b/0xf72
[  291.849023]  ? pagefault_out_of_memory+0x197/0x197
[  291.853958]  ? __lock_acquire+0x62f/0x4c20
[  291.858192]  ? percpu_ref_get_many+0x240/0x240
[  291.862782]  ? print_usage_bug+0xc0/0xc0
[  291.866852]  ? zap_class+0x640/0x640
[  291.870565]  ? print_usage_bug+0xc0/0xc0
[  291.874637]  ? print_usage_bug+0xc0/0xc0
[  291.878697]  ? zap_class+0x640/0x640
[  291.882417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.887959]  ? find_held_lock+0x36/0x1c0
[  291.892038]  ? mark_held_locks+0xc7/0x130
[  291.896185]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.901316]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.906439]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.911021]  ? trace_hardirqs_on+0xbd/0x310
[  291.915340]  ? kasan_check_read+0x11/0x20
[  291.919487]  ? ___ratelimit+0x3b4/0x672
[  291.923459]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.928561]  ? trace_hardirqs_on+0x310/0x310
[  291.932986]  ? lock_downgrade+0x900/0x900
[  291.937154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.942261]  ? ___ratelimit+0x3b9/0x672
[  291.946269]  ? idr_get_free+0xf70/0xf70
[  291.950312]  ? find_held_lock+0x36/0x1c0
[  291.954384]  oom_kill_process.cold.27+0x10/0x903
[  291.959151]  ? zap_class+0x640/0x640
[  291.962890]  ? check_preemption_disabled+0x48/0x280
[  291.967912]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.972839]  ? kasan_check_read+0x11/0x20
[  291.976988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.982283]  ? oom_evaluate_task+0x540/0x540
[  291.986722]  ? find_held_lock+0x36/0x1c0
[  291.990804]  ? out_of_memory+0x974/0x1430
[  291.994958]  ? lock_downgrade+0x900/0x900
[  291.999106]  ? check_preemption_disabled+0x48/0x280
[  292.004123]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.009063]  ? kasan_check_read+0x11/0x20
[  292.013211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.018492]  ? rcu_softirq_qs+0x20/0x20
[  292.022474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.028008]  ? oom_evaluate_task+0x302/0x540
[  292.032421]  out_of_memory+0xa84/0x1430
[  292.036402]  ? oom_killer_disable+0x3a0/0x3a0
[  292.040913]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  292.045871]  ? __ww_mutex_check_waiters+0x160/0x160
[  292.050939]  __alloc_pages_slowpath+0x232c/0x2de0
[  292.055828]  ? warn_alloc+0x120/0x120
[  292.059625]  ? mark_held_locks+0x130/0x130
[  292.063878]  ? find_get_entry+0xaae/0x1120
[  292.068123]  ? filemap_map_pages+0x1a20/0x1a20
[  292.072735]  ? zap_class+0x640/0x640
[  292.076452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.081995]  ? check_preemption_disabled+0x48/0x280
[  292.087010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.092544]  ? should_fail+0x22d/0xd01
[  292.096434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.101538]  ? zap_class+0x640/0x640
[  292.105288]  ? __lock_is_held+0xb5/0x140
[  292.109367]  ? mark_held_locks+0x130/0x130
[  292.113608]  ? lock_release+0xa00/0xa00
[  292.117585]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.123049]  ? xa_load+0x2ba/0x460
[  292.126589]  ? lock_downgrade+0x900/0x900
[  292.130753]  ? __might_sleep+0x95/0x190
[  292.134731]  __alloc_pages_nodemask+0xad8/0xea0
[  292.139404]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  292.144421]  ? __page_cache_alloc+0x191/0x5c0
[  292.148914]  ? xa_load+0x2e1/0x460
[  292.152460]  ? xa_clear_mark+0x40/0x40
[  292.156350]  ? zap_class+0x640/0x640
[  292.160075]  ? zap_class+0x640/0x640
[  292.163785]  ? zap_class+0x640/0x640
[  292.167498]  ? __do_page_cache_readahead+0x663/0x810
[  292.172605]  ? find_held_lock+0x36/0x1c0
[  292.176675]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  292.182272]  alloc_pages_current+0x173/0x350
[  292.186698]  __page_cache_alloc+0x38c/0x5c0
[  292.191013]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.195983]  ? kasan_check_read+0x11/0x20
[  292.200131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.205414]  ? generic_perform_write+0x6a0/0x6a0
[  292.210186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.215723]  ? check_preemption_disabled+0x48/0x280
[  292.220762]  filemap_fault+0x1595/0x25f0
[  292.224871]  ? __lock_page_or_retry+0xa00/0xa00
[  292.229562]  ? mark_held_locks+0x130/0x130
[  292.233803]  ? filemap_map_pages+0xd6b/0x1a20
[  292.238302]  ? lock_downgrade+0x900/0x900
[  292.242457]  ? check_preemption_disabled+0x48/0x280
[  292.247495]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.252422]  ? kasan_check_read+0x11/0x20
[  292.256566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.261839]  ? rcu_softirq_qs+0x20/0x20
[  292.265854]  ? filemap_map_pages+0xd92/0x1a20
[  292.270362]  ? find_get_entries_tag+0x1400/0x1400
[  292.275226]  ? lock_acquire+0x1ed/0x520
[  292.279208]  ? ext4_filemap_fault+0x7a/0xad
[  292.283538]  ? lock_release+0xa00/0xa00
[  292.287527]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.292979]  ? mark_held_locks+0x130/0x130
[  292.297213]  ? print_usage_bug+0xc0/0xc0
[  292.301296]  ? print_usage_bug+0xc0/0xc0
[  292.305371]  ? down_read+0x8d/0x120
[  292.308998]  ? ext4_filemap_fault+0x7a/0xad
[  292.313320]  ? __down_interruptible+0x700/0x700
[  292.317998]  ext4_filemap_fault+0x82/0xad
[  292.322161]  __do_fault+0x100/0x6b0
[  292.325795]  ? pmd_devmap_trans_unstable+0x220/0x220
[  292.330915]  ? mark_held_locks+0x130/0x130
[  292.335168]  ? mark_held_locks+0x130/0x130
[  292.339409]  ? hrtimer_forward+0x2a0/0x2a0
[  292.343643]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  292.348518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.354062]  __handle_mm_fault+0x3ea6/0x5be0
[  292.358484]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  292.363332]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.368917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.374034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.378635]  ? trace_hardirqs_on+0xbd/0x310
[  292.382955]  ? kasan_check_read+0x11/0x20
[  292.387105]  ? __free_object+0x173/0x340
[  292.391177]  ? zap_class+0x640/0x640
[  292.394890]  ? zap_class+0x640/0x640
[  292.398599]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.403707]  ? find_held_lock+0x36/0x1c0
[  292.407778]  ? handle_mm_fault+0x42a/0xc70
[  292.412031]  ? lock_downgrade+0x900/0x900
[  292.416181]  ? check_preemption_disabled+0x48/0x280
[  292.421198]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.426126]  ? kasan_check_read+0x11/0x20
[  292.430283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.435558]  ? rcu_softirq_qs+0x20/0x20
[  292.439528]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.444647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.450183]  ? check_preemption_disabled+0x48/0x280
[  292.455211]  handle_mm_fault+0x54f/0xc70
[  292.459290]  ? __handle_mm_fault+0x5be0/0x5be0
[  292.463876]  ? find_vma+0x34/0x190
[  292.467419]  __do_page_fault+0x5e8/0xe60
[  292.472262]  ? trace_hardirqs_off+0xb8/0x310
[  292.476714]  do_page_fault+0xf2/0x7e0
[  292.480513]  ? vmalloc_sync_all+0x30/0x30
[  292.484662]  ? error_entry+0x70/0xd0
[  292.488390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.493402]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.498507]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.503438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.508288]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.513301]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.518750]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  292.523771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  292.528817]  ? page_fault+0x8/0x30
[  292.532358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.537205]  ? page_fault+0x8/0x30
[  292.540744]  page_fault+0x1e/0x30
[  292.544193] RIP: 0033:0x7f4afc2d3e40
[  292.547920] Code: Bad RIP value.
[  292.551287] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  292.556655] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  292.563921] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  292.571198] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  292.578464] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  292.585729] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  292.593022] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  292.593027] warn_alloc_show_mem: 1 callbacks suppressed
[  292.593035] Mem-Info:
[  292.600392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.605786] active_anon:57379 inactive_anon:189 isolated_anon:0
[  292.605786]  active_file:13 inactive_file:16 isolated_file:0
[  292.605786]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.605786]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  292.605786]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  292.605786]  free:13771 free_pcp:208 free_cma:0
[  292.608159] Call Trace:
[  292.617550] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.650388]  <IRQ>
[  292.652955] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  292.680446]  dump_stack+0x244/0x39d
[  292.682569] lowmem_reserve[]: 0 2818 6321 6321
[  292.708676]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.712279] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.716860]  warn_alloc.cold.116+0xb7/0x1bd
[  292.722017] lowmem_reserve[]: 0 0 3503 3503
[  292.749596]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.753892] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  292.758206]  ? lock_downgrade+0x900/0x900
[  292.763023] lowmem_reserve[]: 0 0 0 0
[  292.791908]  ? trace_hardirqs_off+0xb8/0x310
[  292.796025] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  292.799843]  ? trace_hardirqs_off+0xb8/0x310
[  292.804226] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  292.817753]  __alloc_pages_slowpath+0x2651/0x2de0
[  292.822131] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  292.837579]  ? warn_alloc+0x120/0x120
[  292.842388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.856939]  ? print_usage_bug+0xc0/0xc0
[  292.860722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.869546]  ? warn_alloc+0x120/0x120
[  292.873583] 273 total pagecache pages
[  292.882148]  ? warn_alloc+0x120/0x120
[  292.885972] 0 pages in swap cache
[  292.889755]  ? print_usage_bug+0xc0/0xc0
[  292.893530] Swap cache stats: add 0, delete 0, find 0/0
[  292.896970]  ? print_usage_bug+0xc0/0xc0
[  292.901003] Free swap  = 0kB
[  292.906364]  ? __lock_acquire+0x62f/0x4c20
[  292.910397] Total swap = 0kB
[  292.913411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.917622] 1965979 pages RAM
[  292.920636]  ? should_fail+0x22d/0xd01
[  292.926143] 0 pages HighMem/MovableOnly
[  292.929240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.933108] 342853 pages reserved
[  292.937072]  ? __lock_acquire+0x62f/0x4c20
[  292.942147] 0 pages cma reserved
[  292.945592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.949861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.953155]  ? __lock_acquire+0x62f/0x4c20
[  292.953172]  ? should_fail+0x22d/0xd01
[  292.958352] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.964752]  ? find_held_lock+0x36/0x1c0
[  292.968959] cron cpuset=/ mems_allowed=0
[  292.972844]  ? mark_held_locks+0x130/0x130
[  292.994866]  ? mark_held_locks+0x130/0x130
[  292.999127]  ? zap_class+0x640/0x640
[  293.002843]  ? zap_class+0x640/0x640
[  293.006561]  ? print_usage_bug+0xc0/0xc0
[  293.010619]  ? do_raw_spin_unlock+0xa7/0x330
[  293.015044]  ? zap_class+0x640/0x640
[  293.018756]  ? print_usage_bug+0xc0/0xc0
[  293.022825]  ? wq_watchdog_touch+0x9c/0xfe
[  293.027063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.032601]  ? check_preemption_disabled+0x48/0x280
[  293.037627]  ? __lock_is_held+0xb5/0x140
[  293.041695]  __alloc_pages_nodemask+0xad8/0xea0
[  293.046363]  ? zap_class+0x640/0x640
[  293.050079]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  293.055121]  ? find_held_lock+0x36/0x1c0
[  293.059192]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.063866]  ? lock_downgrade+0x900/0x900
[  293.068020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.073560]  cache_grow_begin+0xa5/0x8c0
[  293.077618]  ? do_raw_spin_unlock+0xa7/0x330
[  293.082034]  fallback_alloc+0x204/0x2e0
[  293.086012]  ____cache_alloc_node+0x1c7/0x1e0
[  293.090512]  kmem_cache_alloc_node+0xe3/0x730
[  293.095005]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.099258]  __alloc_skb+0x119/0x770
[  293.102969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.108260]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.112666]  ? lock_downgrade+0x900/0x900
[  293.116826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.122362]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.127814]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.133281]  ? addrconf_rs_timer+0x690/0x690
[  293.137703]  ndisc_alloc_skb+0x144/0x340
[  293.141806]  ndisc_send_rs+0x331/0x6e0
[  293.145697]  addrconf_rs_timer+0x314/0x690
[  293.149934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.154179]  call_timer_fn+0x272/0x920
[  293.158070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.162305]  ? process_timeout+0x40/0x40
[  293.166372]  ? __run_timers+0x7da/0xc70
[  293.170347]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.174837]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.179333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.183567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.188151]  ? trace_hardirqs_on+0xbd/0x310
[  293.192473]  ? kasan_check_read+0x11/0x20
[  293.196622]  ? __run_timers+0x7da/0xc70
[  293.200595]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.205699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.209937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.214166]  __run_timers+0x7e5/0xc70
[  293.217977]  ? timer_fixup_init+0x70/0x70
[  293.222130]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.227148]  ? zap_class+0x640/0x640
[  293.230876]  ? enqueue_hrtimer+0x1a5/0x560
[  293.235111]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.240308]  ? find_held_lock+0x36/0x1c0
[  293.244376]  ? zap_class+0x640/0x640
[  293.248094]  ? pvclock_read_flags+0x160/0x160
[  293.252593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.258130]  ? check_preemption_disabled+0x48/0x280
[  293.263171]  ? __lock_is_held+0xb5/0x140
[  293.267234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.272790]  ? check_preemption_disabled+0x48/0x280
[  293.277811]  run_timer_softirq+0x52/0xb0
[  293.281875]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.286893]  __do_softirq+0x308/0xb7e
[  293.290699]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.295203]  ? lock_downgrade+0x900/0x900
[  293.299358]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.304467]  ? pvclock_read_flags+0x160/0x160
[  293.308970]  ? lapic_next_event+0x5a/0x90
[  293.313135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.318689]  ? kvm_clock_read+0x18/0x30
[  293.322676]  ? kvm_sched_clock_read+0x9/0x20
[  293.327088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.332625]  ? check_preemption_disabled+0x48/0x280
[  293.337651]  irq_exit+0x17f/0x1c0
[  293.341106]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.345944]  ? smp_reschedule_interrupt+0x109/0x650
[  293.350959]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.356844]  ? interrupt_entry+0xb5/0xc0
[  293.360906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.365922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.370956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.375799]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.380818]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.385834]  ? task_prio+0x50/0x50
[  293.389375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.394916]  ? check_preemption_disabled+0x48/0x280
[  293.399936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.404790]  apic_timer_interrupt+0xf/0x20
[  293.409017]  </IRQ>
[  293.411266] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.416195] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  293.435094] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.442811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  293.450079] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  293.457343] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  293.464608] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  293.471874] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  293.479186]  skb_clone+0x1bb/0x500
[  293.482728]  ? finish_task_switch+0x1b4/0x910
[  293.487224]  ? skb_split+0x11e0/0x11e0
[  293.491119]  ? preempt_notifier_register+0x200/0x200
[  293.496218]  ? __switch_to_asm+0x34/0x70
[  293.500281]  ? __switch_to_asm+0x34/0x70
[  293.504342]  ? __switch_to_asm+0x40/0x70
[  293.508400]  ? __switch_to_asm+0x34/0x70
[  293.512463]  ? __switch_to_asm+0x40/0x70
[  293.516520]  ? __switch_to_asm+0x34/0x70
[  293.520575]  ? __switch_to_asm+0x40/0x70
[  293.524630]  ? __switch_to_asm+0x34/0x70
[  293.528687]  ? __switch_to_asm+0x34/0x70
[  293.532748]  ? __switch_to_asm+0x40/0x70
[  293.536810]  ? __switch_to_asm+0x34/0x70
[  293.540879]  bpf_clone_redirect+0xb9/0x490
[  293.545114]  ? __schedule+0x8d7/0x21d0
[  293.549005]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  293.554021]  ? __sched_text_start+0x8/0x8
[  293.558170]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.562928]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.567506]  ? retint_kernel+0x2d/0x2d
[  293.571396]  ? find_held_lock+0x36/0x1c0
[  293.575468]  ? lock_acquire+0x1ed/0x520
[  293.579444]  ? bpf_test_run+0x3ee/0x7a0
[  293.583421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.588967]  ? check_preemption_disabled+0x48/0x280
[  293.593988]  ? kasan_check_read+0x11/0x20
[  293.598133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.603412]  ? rcu_softirq_qs+0x20/0x20
[  293.607387]  ? preempt_schedule+0x4d/0x60
[  293.611534]  ? ___preempt_schedule+0x16/0x18
[  293.615947]  ? bpf_test_run+0x271/0x7a0
[  293.619932]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.624346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.629884]  ? bpf_test_init.isra.10+0x70/0x100
[  293.634562]  ? bpf_prog_test_run_skb+0x762/0xd60
[  293.639325]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  293.644172]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.649708]  ? fput+0x130/0x1a0
[  293.652991]  ? __bpf_prog_get+0x9b/0x290
[  293.657054]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  293.661893]  ? bpf_prog_test_run+0x130/0x1a0
[  293.666303]  ? __x64_sys_bpf+0x3d8/0x520
[  293.670368]  ? bpf_prog_get+0x20/0x20
[  293.674193]  ? do_syscall_64+0x1e1/0x820
[  293.678267]  ? do_syscall_64+0x1b9/0x820
[  293.682330]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.687696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.692621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.697468]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.702483]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.707502]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.712526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.717374]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.722755] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  293.722830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.729256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.729261] Call Trace:
[  293.729274]  <IRQ>
[  293.729292]  dump_stack+0x244/0x39d
[  293.729311]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.735889] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.745160]  warn_alloc.cold.116+0xb7/0x1bd
[  293.747714] syz-executor5 cpuset=syz5 mems_allowed=0
[  293.749859]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.783323]  ? lock_downgrade+0x900/0x900
[  293.787478]  ? trace_hardirqs_off+0xb8/0x310
[  293.791891]  ? trace_hardirqs_off+0xb8/0x310
[  293.796307]  __alloc_pages_slowpath+0x2651/0x2de0
[  293.801177]  ? warn_alloc+0x120/0x120
[  293.804979]  ? print_usage_bug+0xc0/0xc0
[  293.809041]  ? warn_alloc+0x120/0x120
[  293.812859]  ? warn_alloc+0x120/0x120
[  293.816727]  ? print_usage_bug+0xc0/0xc0
[  293.820786]  ? kvm_clock_read+0x18/0x30
[  293.824764]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  293.829779]  ? print_usage_bug+0xc0/0xc0
[  293.833845]  ? __lock_acquire+0x62f/0x4c20
[  293.838084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.843636]  ? should_fail+0x22d/0xd01
[  293.847520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.852798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.857899]  ? __lock_acquire+0x62f/0x4c20
[  293.862141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.867254]  ? __lock_acquire+0x62f/0x4c20
[  293.871492]  ? should_fail+0x22d/0xd01
[  293.875377]  ? rcu_irq_exit+0x1a2/0x390
[  293.879360]  ? mark_held_locks+0x130/0x130
[  293.883603]  ? mark_held_locks+0x130/0x130
[  293.887841]  ? mark_held_locks+0xc7/0x130
[  293.892003]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  293.897018]  ? zap_class+0x640/0x640
[  293.900735]  ? print_usage_bug+0xc0/0xc0
[  293.904798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.910345]  ? check_preemption_disabled+0x48/0x280
[  293.915375]  ? __lock_is_held+0xb5/0x140
[  293.919447]  __alloc_pages_nodemask+0xad8/0xea0
[  293.924114]  ? zap_class+0x640/0x640
[  293.927830]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  293.932858]  ? find_held_lock+0x36/0x1c0
[  293.936928]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.941597]  ? lock_downgrade+0x900/0x900
[  293.945750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.951307]  cache_grow_begin+0xa5/0x8c0
[  293.955365]  ? do_raw_spin_unlock+0xa7/0x330
[  293.959784]  fallback_alloc+0x204/0x2e0
[  293.963767]  ____cache_alloc_node+0x1c7/0x1e0
[  293.968283]  kmem_cache_alloc_node+0xe3/0x730
[  293.972783]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.977034]  __alloc_skb+0x119/0x770
[  293.980751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.986030]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.990439]  ? lock_downgrade+0x900/0x900
[  293.994595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.000138]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.005595]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.011043]  ? addrconf_rs_timer+0x690/0x690
[  294.015476]  ndisc_alloc_skb+0x144/0x340
[  294.019544]  ndisc_send_rs+0x331/0x6e0
[  294.023435]  addrconf_rs_timer+0x314/0x690
[  294.027672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.031925]  call_timer_fn+0x272/0x920
[  294.035822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.040057]  ? process_timeout+0x40/0x40
[  294.044130]  ? mark_held_locks+0xc7/0x130
[  294.048289]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.052784]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.057285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.061524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.066111]  ? trace_hardirqs_on+0xbd/0x310
[  294.070431]  ? kasan_check_read+0x11/0x20
[  294.074577]  ? __run_timers+0x7da/0xc70
[  294.078550]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.083659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.087902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.092131]  __run_timers+0x7e5/0xc70
[  294.095944]  ? timer_fixup_init+0x70/0x70
[  294.100093]  ? kasan_check_read+0x11/0x20
[  294.104240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.109529]  ? rcu_softirq_qs+0x20/0x20
[  294.113507]  ? mark_held_locks+0xc7/0x130
[  294.117659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.122416]  ? retint_kernel+0x2d/0x2d
[  294.126306]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.131239]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.136010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.141465]  ? zap_class+0x640/0x640
[  294.145185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.150725]  ? check_preemption_disabled+0x48/0x280
[  294.155750]  ? __lock_is_held+0xb5/0x140
[  294.159816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.165356]  ? check_preemption_disabled+0x48/0x280
[  294.170380]  run_timer_softirq+0x52/0xb0
[  294.174444]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.179464]  __do_softirq+0x308/0xb7e
[  294.183278]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.187777]  ? lock_downgrade+0x900/0x900
[  294.191931]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.197042]  ? pvclock_read_flags+0x160/0x160
[  294.201537]  ? lapic_next_event+0x5a/0x90
[  294.205685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.211227]  ? kvm_clock_read+0x18/0x30
[  294.215213]  ? kvm_sched_clock_read+0x9/0x20
[  294.219634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.225172]  ? check_preemption_disabled+0x48/0x280
[  294.230197]  irq_exit+0x17f/0x1c0
[  294.233651]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.238493]  ? smp_reschedule_interrupt+0x109/0x650
[  294.243508]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.249395]  ? interrupt_entry+0xb5/0xc0
[  294.253460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.258473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.263489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.268330]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.273347]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.278361]  ? task_prio+0x50/0x50
[  294.281905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.287444]  ? check_preemption_disabled+0x48/0x280
[  294.292470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.297322]  apic_timer_interrupt+0xf/0x20
[  294.301551]  </IRQ>
[  294.303792] RIP: 0010:dump_stack+0x358/0x39d
[  294.308204] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  294.327102] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  294.334817] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  294.342087] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  294.349352] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  294.356616] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  294.364302] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  294.371590]  ? dump_stack+0x34f/0x39d
[  294.375403]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.380595]  ? mark_held_locks+0x130/0x130
[  294.384832]  ? mark_held_locks+0x130/0x130
[  294.389073]  dump_header+0x27b/0xf72
[  294.392798]  ? pagefault_out_of_memory+0x197/0x197
[  294.397737]  ? __lock_acquire+0x62f/0x4c20
[  294.402001]  ? percpu_ref_get_many+0x240/0x240
[  294.406590]  ? print_usage_bug+0xc0/0xc0
[  294.410657]  ? zap_class+0x640/0x640
[  294.414376]  ? print_usage_bug+0xc0/0xc0
[  294.418432]  ? print_usage_bug+0xc0/0xc0
[  294.422492]  ? zap_class+0x640/0x640
[  294.426209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.431759]  ? find_held_lock+0x36/0x1c0
[  294.435829]  ? mark_held_locks+0xc7/0x130
[  294.439984]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  294.445083]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  294.450185]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.454767]  ? trace_hardirqs_on+0xbd/0x310
[  294.459087]  ? kasan_check_read+0x11/0x20
[  294.463231]  ? ___ratelimit+0x3b4/0x672
[  294.467222]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.472967]  ? trace_hardirqs_on+0x310/0x310
[  294.477382]  ? lock_downgrade+0x900/0x900
[  294.481535]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.486642]  ? ___ratelimit+0x3b9/0x672
[  294.490622]  ? idr_get_free+0xf70/0xf70
[  294.494594]  ? find_held_lock+0x36/0x1c0
[  294.498781]  oom_kill_process.cold.27+0x10/0x903
[  294.503537]  ? zap_class+0x640/0x640
[  294.507261]  ? check_preemption_disabled+0x48/0x280
[  294.512292]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.517221]  ? kasan_check_read+0x11/0x20
[  294.521382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.526661]  ? oom_evaluate_task+0x540/0x540
[  294.531084]  ? find_held_lock+0x36/0x1c0
[  294.535155]  ? out_of_memory+0x974/0x1430
[  294.539304]  ? lock_downgrade+0x900/0x900
[  294.543453]  ? check_preemption_disabled+0x48/0x280
[  294.548477]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.553410]  ? kasan_check_read+0x11/0x20
[  294.557561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.562840]  ? rcu_softirq_qs+0x20/0x20
[  294.566819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.572353]  ? oom_evaluate_task+0x302/0x540
[  294.576768]  out_of_memory+0xa84/0x1430
[  294.580756]  ? oom_killer_disable+0x3a0/0x3a0
[  294.585261]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  294.590199]  ? __ww_mutex_check_waiters+0x160/0x160
[  294.595225]  __alloc_pages_slowpath+0x232c/0x2de0
[  294.600103]  ? warn_alloc+0x120/0x120
[  294.603905]  ? mark_held_locks+0x130/0x130
[  294.608146]  ? find_get_entry+0xaae/0x1120
[  294.612393]  ? filemap_map_pages+0x1a20/0x1a20
[  294.616982]  ? zap_class+0x640/0x640
[  294.620702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.626257]  ? check_preemption_disabled+0x48/0x280
[  294.631295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.636831]  ? should_fail+0x22d/0xd01
[  294.640721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.645828]  ? zap_class+0x640/0x640
[  294.649565]  ? __lock_is_held+0xb5/0x140
[  294.653636]  ? mark_held_locks+0x130/0x130
[  294.657872]  ? lock_release+0xa00/0xa00
[  294.661845]  ? perf_trace_sched_process_exec+0x860/0x860
[  294.667300]  ? xa_load+0x2ba/0x460
[  294.670840]  ? lock_downgrade+0x900/0x900
[  294.674990]  ? __might_sleep+0x95/0x190
[  294.678976]  __alloc_pages_nodemask+0xad8/0xea0
[  294.683651]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  294.688670]  ? __page_cache_alloc+0x191/0x5c0
[  294.693192]  ? xa_load+0x2e1/0x460
[  294.696767]  ? xa_clear_mark+0x40/0x40
[  294.700659]  ? zap_class+0x640/0x640
[  294.704414]  ? zap_class+0x640/0x640
[  294.708161]  ? zap_class+0x640/0x640
[  294.711890]  ? __do_page_cache_readahead+0x663/0x810
[  294.717036]  ? find_held_lock+0x36/0x1c0
[  294.721126]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  294.726670]  alloc_pages_current+0x173/0x350
[  294.731092]  __page_cache_alloc+0x38c/0x5c0
[  294.735416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.740349]  ? kasan_check_read+0x11/0x20
[  294.744495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.749819]  ? generic_perform_write+0x6a0/0x6a0
[  294.754604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.760144]  ? check_preemption_disabled+0x48/0x280
[  294.765218]  filemap_fault+0x1595/0x25f0
[  294.769368]  ? __lock_page_or_retry+0xa00/0xa00
[  294.774061]  ? mark_held_locks+0x130/0x130
[  294.778311]  ? filemap_map_pages+0xd6b/0x1a20
[  294.782809]  ? lock_downgrade+0x900/0x900
[  294.786959]  ? check_preemption_disabled+0x48/0x280
[  294.791986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.796912]  ? kasan_check_read+0x11/0x20
[  294.801096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.806386]  ? rcu_softirq_qs+0x20/0x20
[  294.810371]  ? filemap_map_pages+0xd92/0x1a20
[  294.814884]  ? find_get_entries_tag+0x1400/0x1400
[  294.819748]  ? lock_acquire+0x1ed/0x520
[  294.823725]  ? ext4_filemap_fault+0x7a/0xad
[  294.828061]  ? lock_release+0xa00/0xa00
[  294.832039]  ? perf_trace_sched_process_exec+0x860/0x860
[  294.837528]  ? mark_held_locks+0x130/0x130
[  294.841837]  ? print_usage_bug+0xc0/0xc0
[  294.845928]  ? print_usage_bug+0xc0/0xc0
[  294.850004]  ? down_read+0x8d/0x120
[  294.853629]  ? ext4_filemap_fault+0x7a/0xad
[  294.857980]  ? __down_interruptible+0x700/0x700
[  294.862670]  ext4_filemap_fault+0x82/0xad
[  294.866820]  __do_fault+0x100/0x6b0
[  294.870450]  ? pmd_devmap_trans_unstable+0x220/0x220
[  294.875571]  ? mark_held_locks+0x130/0x130
[  294.879842]  ? mark_held_locks+0x130/0x130
[  294.884106]  ? hrtimer_forward+0x2a0/0x2a0
[  294.888371]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  294.893255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.898803]  __handle_mm_fault+0x3ea6/0x5be0
[  294.903222]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  294.908100]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  294.913222]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  294.918338]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.922954]  ? trace_hardirqs_on+0xbd/0x310
[  294.927302]  ? kasan_check_read+0x11/0x20
[  294.931450]  ? __free_object+0x173/0x340
[  294.935522]  ? zap_class+0x640/0x640
[  294.939239]  ? zap_class+0x640/0x640
[  294.942966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.948078]  ? find_held_lock+0x36/0x1c0
[  294.952188]  ? handle_mm_fault+0x42a/0xc70
[  294.956448]  ? lock_downgrade+0x900/0x900
[  294.960595]  ? check_preemption_disabled+0x48/0x280
[  294.965612]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.970540]  ? kasan_check_read+0x11/0x20
[  294.974701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.980009]  ? rcu_softirq_qs+0x20/0x20
[  294.984021]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.989125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.994663]  ? check_preemption_disabled+0x48/0x280
[  294.999690]  handle_mm_fault+0x54f/0xc70
[  295.003804]  ? __handle_mm_fault+0x5be0/0x5be0
[  295.008424]  ? find_vma+0x34/0x190
[  295.011970]  __do_page_fault+0x5e8/0xe60
[  295.016031]  ? trace_hardirqs_off+0xb8/0x310
[  295.020449]  do_page_fault+0xf2/0x7e0
[  295.024256]  ? vmalloc_sync_all+0x30/0x30
[  295.028444]  ? error_entry+0x70/0xd0
[  295.032186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.037204]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.042162]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.047126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.051969]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.056988]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.062465]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.067542]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.072586]  ? page_fault+0x8/0x30
[  295.076133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.080977]  ? page_fault+0x8/0x30
[  295.084519]  page_fault+0x1e/0x30
[  295.087971] RIP: 0033:0x7f4afc2d3e40
[  295.091694] Code: Bad RIP value.
[  295.095072] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  295.100459] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  295.107729] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  295.114996] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  295.122277] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  295.129546] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  295.136849] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  295.136855] warn_alloc_show_mem: 1 callbacks suppressed
[  295.136862] Mem-Info:
[  295.144217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.144227] Call Trace:
[  295.149609] active_anon:57379 inactive_anon:189 isolated_anon:0
[  295.149609]  active_file:13 inactive_file:16 isolated_file:0
[  295.149609]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.149609]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  295.149609]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  295.149609]  free:13771 free_pcp:208 free_cma:0
[  295.152008]  <IRQ>
[  295.161386] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.164053]  dump_stack+0x244/0x39d
[  295.196907] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  295.199065]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.226522] lowmem_reserve[]: 0 2818 6321 6321
[  295.230223]  warn_alloc.cold.116+0xb7/0x1bd
[  295.256284] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  295.261472]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.266025] lowmem_reserve[]: 0 0 3503 3503
[  295.270347]  ? lock_downgrade+0x900/0x900
[  295.297923] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  295.302781]  ? trace_hardirqs_off+0xb8/0x310
[  295.307060] lowmem_reserve[]: 0 0 0 0
[  295.311202]  ? trace_hardirqs_off+0xb8/0x310
[  295.340064] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  295.344478]  __alloc_pages_slowpath+0x2651/0x2de0
[  295.348253] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  295.352680]  ? warn_alloc+0x120/0x120
[  295.366640] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  295.371493]  ? print_usage_bug+0xc0/0xc0
[  295.386901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.390688]  ? warn_alloc+0x120/0x120
[  295.405232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.409301]  ? warn_alloc+0x120/0x120
[  295.418105] 273 total pagecache pages
[  295.421903]  ? print_usage_bug+0xc0/0xc0
[  295.430459] 0 pages in swap cache
[  295.434255]  ? kvm_clock_read+0x18/0x30
[  295.438032] Swap cache stats: add 0, delete 0, find 0/0
[  295.442082]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  295.445509] Free swap  = 0kB
[  295.449474]  ? print_usage_bug+0xc0/0xc0
[  295.454811] Total swap = 0kB
[  295.459819]  ? __lock_acquire+0x62f/0x4c20
[  295.462812] 1965979 pages RAM
[  295.466873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.469864] 0 pages HighMem/MovableOnly
[  295.474094]  ? should_fail+0x22d/0xd01
[  295.477166] 342853 pages reserved
[  295.477175] 0 pages cma reserved
[  295.482706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.486731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.490533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.494013] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.497319]  ? __lock_acquire+0x62f/0x4c20
[  295.502572] cron cpuset=/ mems_allowed=0
[  295.509057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.537171]  ? __lock_acquire+0x62f/0x4c20
[  295.541408]  ? should_fail+0x22d/0xd01
[  295.545296]  ? rcu_irq_exit+0x1a2/0x390
[  295.549283]  ? mark_held_locks+0x130/0x130
[  295.553522]  ? mark_held_locks+0x130/0x130
[  295.557771]  ? mark_held_locks+0xc7/0x130
[  295.561922]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  295.566937]  ? zap_class+0x640/0x640
[  295.570651]  ? print_usage_bug+0xc0/0xc0
[  295.574721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.580269]  ? check_preemption_disabled+0x48/0x280
[  295.585299]  ? __lock_is_held+0xb5/0x140
[  295.589368]  __alloc_pages_nodemask+0xad8/0xea0
[  295.594035]  ? zap_class+0x640/0x640
[  295.597754]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  295.602791]  ? find_held_lock+0x36/0x1c0
[  295.606866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.611537]  ? lock_downgrade+0x900/0x900
[  295.615696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.621237]  cache_grow_begin+0xa5/0x8c0
[  295.625308]  ? do_raw_spin_unlock+0xa7/0x330
[  295.629721]  fallback_alloc+0x204/0x2e0
[  295.633705]  ____cache_alloc_node+0x1c7/0x1e0
[  295.638204]  kmem_cache_alloc_node+0xe3/0x730
[  295.642699]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.646950]  __alloc_skb+0x119/0x770
[  295.650662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.655941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.660351]  ? lock_downgrade+0x900/0x900
[  295.664507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.670045]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.675503]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.680956]  ? addrconf_rs_timer+0x690/0x690
[  295.685381]  ndisc_alloc_skb+0x144/0x340
[  295.689446]  ndisc_send_rs+0x331/0x6e0
[  295.693342]  addrconf_rs_timer+0x314/0x690
[  295.697582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.701825]  call_timer_fn+0x272/0x920
[  295.705712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.709948]  ? process_timeout+0x40/0x40
[  295.714017]  ? __run_timers+0x7da/0xc70
[  295.717995]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.722492]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.726987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.731224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.735816]  ? trace_hardirqs_on+0xbd/0x310
[  295.740136]  ? kasan_check_read+0x11/0x20
[  295.744291]  ? __run_timers+0x7da/0xc70
[  295.748285]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.753391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.757631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.761863]  __run_timers+0x7e5/0xc70
[  295.765671]  ? timer_fixup_init+0x70/0x70
[  295.769825]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.774844]  ? zap_class+0x640/0x640
[  295.778569]  ? enqueue_hrtimer+0x1a5/0x560
[  295.782808]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.788003]  ? find_held_lock+0x36/0x1c0
[  295.792069]  ? zap_class+0x640/0x640
[  295.795790]  ? pvclock_read_flags+0x160/0x160
[  295.800289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.805829]  ? check_preemption_disabled+0x48/0x280
[  295.810858]  ? __lock_is_held+0xb5/0x140
[  295.814918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.820455]  ? check_preemption_disabled+0x48/0x280
[  295.825480]  run_timer_softirq+0x52/0xb0
[  295.829543]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.834561]  __do_softirq+0x308/0xb7e
[  295.838363]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.842860]  ? lock_downgrade+0x900/0x900
[  295.847010]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.852122]  ? pvclock_read_flags+0x160/0x160
[  295.856636]  ? lapic_next_event+0x5a/0x90
[  295.860789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.866332]  ? kvm_clock_read+0x18/0x30
[  295.870308]  ? kvm_sched_clock_read+0x9/0x20
[  295.874720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.880265]  ? check_preemption_disabled+0x48/0x280
[  295.885295]  irq_exit+0x17f/0x1c0
[  295.888748]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.893591]  ? smp_reschedule_interrupt+0x109/0x650
[  295.898609]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.904490]  ? interrupt_entry+0xb5/0xc0
[  295.908551]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.913565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.918580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.923423]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.928440]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.933454]  ? task_prio+0x50/0x50
[  295.936997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.942539]  ? check_preemption_disabled+0x48/0x280
[  295.947565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.952414]  apic_timer_interrupt+0xf/0x20
[  295.956642]  </IRQ>
[  295.958888] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  295.963820] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  295.982719] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  295.990426] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  295.997690] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  296.004972] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  296.012251] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  296.019521] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  296.026833]  skb_clone+0x1bb/0x500
[  296.030379]  ? finish_task_switch+0x1b4/0x910
[  296.034873]  ? skb_split+0x11e0/0x11e0
[  296.038764]  ? preempt_notifier_register+0x200/0x200
[  296.043873]  ? __switch_to_asm+0x34/0x70
[  296.047930]  ? __switch_to_asm+0x34/0x70
[  296.051989]  ? __switch_to_asm+0x40/0x70
[  296.056051]  ? __switch_to_asm+0x34/0x70
[  296.060109]  ? __switch_to_asm+0x40/0x70
[  296.064168]  ? __switch_to_asm+0x34/0x70
[  296.068227]  ? __switch_to_asm+0x40/0x70
[  296.072292]  ? __switch_to_asm+0x34/0x70
[  296.076354]  ? __switch_to_asm+0x34/0x70
[  296.080411]  ? __switch_to_asm+0x40/0x70
[  296.084467]  ? __switch_to_asm+0x34/0x70
[  296.088533]  bpf_clone_redirect+0xb9/0x490
[  296.092775]  ? __schedule+0x8d7/0x21d0
[  296.096666]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  296.101689]  ? __sched_text_start+0x8/0x8
[  296.105839]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.110596]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.115173]  ? retint_kernel+0x2d/0x2d
[  296.119064]  ? find_held_lock+0x36/0x1c0
[  296.123133]  ? lock_acquire+0x1ed/0x520
[  296.127109]  ? bpf_test_run+0x3ee/0x7a0
[  296.131085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.136626]  ? check_preemption_disabled+0x48/0x280
[  296.141650]  ? kasan_check_read+0x11/0x20
[  296.145802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.151077]  ? rcu_softirq_qs+0x20/0x20
[  296.155056]  ? preempt_schedule+0x4d/0x60
[  296.159207]  ? ___preempt_schedule+0x16/0x18
[  296.163625]  ? bpf_test_run+0x271/0x7a0
[  296.167609]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.172021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.177559]  ? bpf_test_init.isra.10+0x70/0x100
[  296.182235]  ? bpf_prog_test_run_skb+0x762/0xd60
[  296.187014]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.191861]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.197398]  ? fput+0x130/0x1a0
[  296.200676]  ? __bpf_prog_get+0x9b/0x290
[  296.204739]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.209584]  ? bpf_prog_test_run+0x130/0x1a0
[  296.213993]  ? __x64_sys_bpf+0x3d8/0x520
[  296.218053]  ? bpf_prog_get+0x20/0x20
[  296.221869]  ? do_syscall_64+0x1e1/0x820
[  296.225935]  ? do_syscall_64+0x1b9/0x820
[  296.229995]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  296.235359]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.240288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.245132]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.250148]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.255165]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.260189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.265043]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  296.270429] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  296.270499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.276917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.276922] Call Trace:
[  296.276929]  <IRQ>
[  296.276947]  dump_stack+0x244/0x39d
[  296.276967]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.283497] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.292800]  warn_alloc.cold.116+0xb7/0x1bd
[  296.295357] syz-executor5 cpuset=syz5 mems_allowed=0
[  296.297498]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.330976]  ? lock_downgrade+0x900/0x900
[  296.335135]  ? trace_hardirqs_off+0xb8/0x310
[  296.339550]  ? trace_hardirqs_off+0xb8/0x310
[  296.343965]  __alloc_pages_slowpath+0x2651/0x2de0
[  296.348839]  ? warn_alloc+0x120/0x120
[  296.352641]  ? print_usage_bug+0xc0/0xc0
[  296.356704]  ? warn_alloc+0x120/0x120
[  296.360503]  ? zap_class+0x640/0x640
[  296.364663]  ? warn_alloc+0x120/0x120
[  296.368470]  ? print_usage_bug+0xc0/0xc0
[  296.372535]  ? print_usage_bug+0xc0/0xc0
[  296.376596]  ? __lock_acquire+0x62f/0x4c20
[  296.380840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.386382]  ? should_fail+0x22d/0xd01
[  296.390285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.395391]  ? __lock_acquire+0x62f/0x4c20
[  296.399628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.404730]  ? __lock_acquire+0x62f/0x4c20
[  296.408966]  ? should_fail+0x22d/0xd01
[  296.412852]  ? find_held_lock+0x36/0x1c0
[  296.416919]  ? mark_held_locks+0x130/0x130
[  296.421162]  ? mark_held_locks+0x130/0x130
[  296.425395]  ? zap_class+0x640/0x640
[  296.429107]  ? zap_class+0x640/0x640
[  296.432828]  ? print_usage_bug+0xc0/0xc0
[  296.436885]  ? do_raw_spin_unlock+0xa7/0x330
[  296.441296]  ? zap_class+0x640/0x640
[  296.445009]  ? print_usage_bug+0xc0/0xc0
[  296.449069]  ? wq_watchdog_touch+0x9c/0xfe
[  296.453322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.458860]  ? check_preemption_disabled+0x48/0x280
[  296.463885]  ? __lock_is_held+0xb5/0x140
[  296.467958]  __alloc_pages_nodemask+0xad8/0xea0
[  296.472624]  ? zap_class+0x640/0x640
[  296.476342]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  296.481370]  ? find_held_lock+0x36/0x1c0
[  296.485440]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.490110]  ? lock_downgrade+0x900/0x900
[  296.494278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.500002]  cache_grow_begin+0xa5/0x8c0
[  296.504062]  ? do_raw_spin_unlock+0xa7/0x330
[  296.508491]  fallback_alloc+0x204/0x2e0
[  296.512471]  ____cache_alloc_node+0x1c7/0x1e0
[  296.516972]  kmem_cache_alloc_node+0xe3/0x730
[  296.521466]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.525714]  __alloc_skb+0x119/0x770
[  296.529430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.534710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.539116]  ? lock_downgrade+0x900/0x900
[  296.543286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.548825]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.554294]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.559744]  ? addrconf_rs_timer+0x690/0x690
[  296.564163]  ndisc_alloc_skb+0x144/0x340
[  296.568231]  ndisc_send_rs+0x331/0x6e0
[  296.572137]  addrconf_rs_timer+0x314/0x690
[  296.576379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.580625]  call_timer_fn+0x272/0x920
[  296.584513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.588751]  ? process_timeout+0x40/0x40
[  296.592824]  ? mark_held_locks+0xc7/0x130
[  296.596971]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.601465]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.605960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.610191]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.614775]  ? trace_hardirqs_on+0xbd/0x310
[  296.619095]  ? kasan_check_read+0x11/0x20
[  296.623238]  ? __run_timers+0x7da/0xc70
[  296.627227]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.632347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.636586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.640817]  __run_timers+0x7e5/0xc70
[  296.644626]  ? timer_fixup_init+0x70/0x70
[  296.648775]  ? kasan_check_read+0x11/0x20
[  296.652921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.658197]  ? rcu_softirq_qs+0x20/0x20
[  296.662175]  ? mark_held_locks+0xc7/0x130
[  296.666325]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.671081]  ? retint_kernel+0x2d/0x2d
[  296.674970]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.679901]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.684660]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.690128]  ? zap_class+0x640/0x640
[  296.693851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.699388]  ? check_preemption_disabled+0x48/0x280
[  296.704410]  ? __lock_is_held+0xb5/0x140
[  296.708473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.714009]  ? check_preemption_disabled+0x48/0x280
[  296.719029]  run_timer_softirq+0x52/0xb0
[  296.723092]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.728117]  __do_softirq+0x308/0xb7e
[  296.731920]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.736415]  ? lock_downgrade+0x900/0x900
[  296.740569]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.745684]  ? pvclock_read_flags+0x160/0x160
[  296.750182]  ? lapic_next_event+0x5a/0x90
[  296.754330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.759874]  ? kvm_clock_read+0x18/0x30
[  296.763848]  ? kvm_sched_clock_read+0x9/0x20
[  296.768273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.773813]  ? check_preemption_disabled+0x48/0x280
[  296.778836]  irq_exit+0x17f/0x1c0
[  296.782292]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.787134]  ? smp_reschedule_interrupt+0x109/0x650
[  296.792163]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.798047]  ? interrupt_entry+0xb5/0xc0
[  296.802110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.807123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.812141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.816984]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.822002]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.827019]  ? task_prio+0x50/0x50
[  296.830562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.836102]  ? check_preemption_disabled+0x48/0x280
[  296.841137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.845988]  apic_timer_interrupt+0xf/0x20
[  296.850212]  </IRQ>
[  296.852467] RIP: 0010:dump_stack+0x358/0x39d
[  296.856893] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  296.875790] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  296.883493] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  296.890758] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  296.898028] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  296.905301] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  296.912570] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  296.919853]  ? dump_stack+0x34f/0x39d
[  296.923665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.928860]  ? mark_held_locks+0x130/0x130
[  296.933096]  ? mark_held_locks+0x130/0x130
[  296.937339]  dump_header+0x27b/0xf72
[  296.941064]  ? pagefault_out_of_memory+0x197/0x197
[  296.946001]  ? __lock_acquire+0x62f/0x4c20
[  296.950239]  ? percpu_ref_get_many+0x240/0x240
[  296.954839]  ? print_usage_bug+0xc0/0xc0
[  296.958910]  ? zap_class+0x640/0x640
[  296.962625]  ? print_usage_bug+0xc0/0xc0
[  296.966686]  ? print_usage_bug+0xc0/0xc0
[  296.970758]  ? zap_class+0x640/0x640
[  296.974484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.980025]  ? find_held_lock+0x36/0x1c0
[  296.984098]  ? mark_held_locks+0xc7/0x130
[  296.988259]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.993381]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.998484]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.003071]  ? trace_hardirqs_on+0xbd/0x310
[  297.007390]  ? kasan_check_read+0x11/0x20
[  297.011538]  ? ___ratelimit+0x3b4/0x672
[  297.015514]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.020621]  ? trace_hardirqs_on+0x310/0x310
[  297.025032]  ? lock_downgrade+0x900/0x900
[  297.029184]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.034292]  ? ___ratelimit+0x3b9/0x672
[  297.038279]  ? idr_get_free+0xf70/0xf70
[  297.042265]  ? find_held_lock+0x36/0x1c0
[  297.046345]  oom_kill_process.cold.27+0x10/0x903
[  297.051103]  ? zap_class+0x640/0x640
[  297.054817]  ? check_preemption_disabled+0x48/0x280
[  297.059836]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.064767]  ? kasan_check_read+0x11/0x20
[  297.068914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.074193]  ? oom_evaluate_task+0x540/0x540
[  297.078608]  ? find_held_lock+0x36/0x1c0
[  297.082689]  ? out_of_memory+0x974/0x1430
[  297.086852]  ? lock_downgrade+0x900/0x900
[  297.091004]  ? check_preemption_disabled+0x48/0x280
[  297.096027]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.100962]  ? kasan_check_read+0x11/0x20
[  297.105117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.110394]  ? rcu_softirq_qs+0x20/0x20
[  297.114377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.119914]  ? oom_evaluate_task+0x302/0x540
[  297.124343]  out_of_memory+0xa84/0x1430
[  297.128333]  ? oom_killer_disable+0x3a0/0x3a0
[  297.132835]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  297.137777]  ? __ww_mutex_check_waiters+0x160/0x160
[  297.142813]  __alloc_pages_slowpath+0x232c/0x2de0
[  297.147689]  ? warn_alloc+0x120/0x120
[  297.151496]  ? mark_held_locks+0x130/0x130
[  297.155742]  ? find_get_entry+0xaae/0x1120
[  297.159992]  ? filemap_map_pages+0x1a20/0x1a20
[  297.164645]  ? zap_class+0x640/0x640
[  297.168378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.173929]  ? check_preemption_disabled+0x48/0x280
[  297.178953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.184498]  ? should_fail+0x22d/0xd01
[  297.188415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.193527]  ? zap_class+0x640/0x640
[  297.197294]  ? __lock_is_held+0xb5/0x140
[  297.201377]  ? mark_held_locks+0x130/0x130
[  297.205626]  ? lock_release+0xa00/0xa00
[  297.209614]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.215072]  ? xa_load+0x2ba/0x460
[  297.218622]  ? lock_downgrade+0x900/0x900
[  297.222783]  ? __might_sleep+0x95/0x190
[  297.226772]  __alloc_pages_nodemask+0xad8/0xea0
[  297.231462]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  297.236490]  ? __page_cache_alloc+0x191/0x5c0
[  297.240992]  ? xa_load+0x2e1/0x460
[  297.244543]  ? xa_clear_mark+0x40/0x40
[  297.248442]  ? zap_class+0x640/0x640
[  297.252171]  ? zap_class+0x640/0x640
[  297.255889]  ? zap_class+0x640/0x640
[  297.259612]  ? __do_page_cache_readahead+0x663/0x810
[  297.264731]  ? find_held_lock+0x36/0x1c0
[  297.268806]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  297.274360]  alloc_pages_current+0x173/0x350
[  297.278787]  __page_cache_alloc+0x38c/0x5c0
[  297.283118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.288055]  ? kasan_check_read+0x11/0x20
[  297.292210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.297497]  ? generic_perform_write+0x6a0/0x6a0
[  297.302285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.307836]  ? check_preemption_disabled+0x48/0x280
[  297.312874]  filemap_fault+0x1595/0x25f0
[  297.316961]  ? __lock_page_or_retry+0xa00/0xa00
[  297.321640]  ? mark_held_locks+0x130/0x130
[  297.325892]  ? filemap_map_pages+0xd6b/0x1a20
[  297.330402]  ? lock_downgrade+0x900/0x900
[  297.334557]  ? check_preemption_disabled+0x48/0x280
[  297.339583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.344524]  ? kasan_check_read+0x11/0x20
[  297.348681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.353965]  ? rcu_softirq_qs+0x20/0x20
[  297.357966]  ? filemap_map_pages+0xd92/0x1a20
[  297.362492]  ? find_get_entries_tag+0x1400/0x1400
[  297.367370]  ? lock_acquire+0x1ed/0x520
[  297.371355]  ? ext4_filemap_fault+0x7a/0xad
[  297.375704]  ? lock_release+0xa00/0xa00
[  297.379689]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.385145]  ? mark_held_locks+0x130/0x130
[  297.389392]  ? print_usage_bug+0xc0/0xc0
[  297.393468]  ? print_usage_bug+0xc0/0xc0
[  297.397555]  ? down_read+0x8d/0x120
[  297.401188]  ? ext4_filemap_fault+0x7a/0xad
[  297.405518]  ? __down_interruptible+0x700/0x700
[  297.410206]  ext4_filemap_fault+0x82/0xad
[  297.414366]  __do_fault+0x100/0x6b0
[  297.418007]  ? pmd_devmap_trans_unstable+0x220/0x220
[  297.423122]  ? mark_held_locks+0x130/0x130
[  297.427369]  ? mark_held_locks+0x130/0x130
[  297.431618]  ? hrtimer_forward+0x2a0/0x2a0
[  297.435862]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  297.440717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.446290]  __handle_mm_fault+0x3ea6/0x5be0
[  297.450718]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  297.455569]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  297.460680]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  297.465795]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.470394]  ? trace_hardirqs_on+0xbd/0x310
[  297.474725]  ? kasan_check_read+0x11/0x20
[  297.478886]  ? __free_object+0x173/0x340
[  297.482969]  ? zap_class+0x640/0x640
[  297.486695]  ? zap_class+0x640/0x640
[  297.490417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.495537]  ? find_held_lock+0x36/0x1c0
[  297.499620]  ? handle_mm_fault+0x42a/0xc70
[  297.503864]  ? lock_downgrade+0x900/0x900
[  297.508021]  ? check_preemption_disabled+0x48/0x280
[  297.513048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.517988]  ? kasan_check_read+0x11/0x20
[  297.522148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.527437]  ? rcu_softirq_qs+0x20/0x20
[  297.531419]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.536533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.542081]  ? check_preemption_disabled+0x48/0x280
[  297.547115]  handle_mm_fault+0x54f/0xc70
[  297.551190]  ? __handle_mm_fault+0x5be0/0x5be0
[  297.555788]  ? find_vma+0x34/0x190
[  297.559344]  __do_page_fault+0x5e8/0xe60
[  297.563415]  ? trace_hardirqs_off+0xb8/0x310
[  297.567847]  do_page_fault+0xf2/0x7e0
[  297.571663]  ? vmalloc_sync_all+0x30/0x30
[  297.575822]  ? error_entry+0x70/0xd0
[  297.579547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.584574]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.589513]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.594450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.599311]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.604339]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.609802]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.614833]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.619856]  ? page_fault+0x8/0x30
[  297.623413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.628294]  ? page_fault+0x8/0x30
[  297.631846]  page_fault+0x1e/0x30
[  297.635311] RIP: 0033:0x7f4afc2d3e40
[  297.639048] Code: Bad RIP value.
[  297.642419] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  297.647788] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  297.655068] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  297.662346] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  297.669624] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  297.676900] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  297.684201] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  297.684207] warn_alloc_show_mem: 1 callbacks suppressed
[  297.684214] Mem-Info:
[  297.691608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.696990] active_anon:57379 inactive_anon:189 isolated_anon:0
[  297.696990]  active_file:13 inactive_file:16 isolated_file:0
[  297.696990]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.696990]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  297.696990]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  297.696990]  free:13771 free_pcp:208 free_cma:0
[  297.699377] Call Trace:
[  297.708778] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.741636]  <IRQ>
[  297.744214] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  297.771722]  dump_stack+0x244/0x39d
[  297.773852] lowmem_reserve[]: 0 2818 6321 6321
[  297.799966]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.803577] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  297.808173]  warn_alloc.cold.116+0xb7/0x1bd
[  297.813340] lowmem_reserve[]: 0 0 3503 3503
[  297.840931]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.845238] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  297.849716]  ? lock_downgrade+0x900/0x900
[  297.854542] lowmem_reserve[]: 0 0 0 0
[  297.883439]  ? trace_hardirqs_off+0xb8/0x310
[  297.887582] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  297.891388]  ? trace_hardirqs_off+0xb8/0x310
[  297.895784] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  297.909319]  __alloc_pages_slowpath+0x2651/0x2de0
[  297.913708] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  297.929164]  ? warn_alloc+0x120/0x120
[  297.933978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.948538]  ? print_usage_bug+0xc0/0xc0
[  297.952328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.961158]  ? warn_alloc+0x120/0x120
[  297.965205] 273 total pagecache pages
[  297.973786]  ? warn_alloc+0x120/0x120
[  297.977573] 0 pages in swap cache
[  297.981369]  ? print_usage_bug+0xc0/0xc0
[  297.985156] Swap cache stats: add 0, delete 0, find 0/0
[  297.988605]  ? print_usage_bug+0xc0/0xc0
[  297.992650] Free swap  = 0kB
[  297.998094]  ? __lock_acquire+0x62f/0x4c20
[  298.002143] Total swap = 0kB
[  298.005166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.009391] 1965979 pages RAM
[  298.012418]  ? should_fail+0x22d/0xd01
[  298.017949] 0 pages HighMem/MovableOnly
[  298.021057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.024927] 342853 pages reserved
[  298.028902]  ? __lock_acquire+0x62f/0x4c20
[  298.033988] 0 pages cma reserved
[  298.037447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.041726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.045032]  ? __lock_acquire+0x62f/0x4c20
[  298.045045]  ? should_fail+0x22d/0xd01
[  298.045059]  ? find_held_lock+0x36/0x1c0
[  298.045080]  ? mark_held_locks+0x130/0x130
[  298.050226] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.056663]  ? mark_held_locks+0x130/0x130
[  298.060885] cron cpuset=/ mems_allowed=0
[  298.064777]  ? zap_class+0x640/0x640
[  298.094727]  ? zap_class+0x640/0x640
[  298.098458]  ? print_usage_bug+0xc0/0xc0
[  298.102525]  ? do_raw_spin_unlock+0xa7/0x330
[  298.106943]  ? zap_class+0x640/0x640
[  298.110667]  ? print_usage_bug+0xc0/0xc0
[  298.114736]  ? wq_watchdog_touch+0x9c/0xfe
[  298.118993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.124541]  ? check_preemption_disabled+0x48/0x280
[  298.129580]  ? __lock_is_held+0xb5/0x140
[  298.133655]  __alloc_pages_nodemask+0xad8/0xea0
[  298.138336]  ? zap_class+0x640/0x640
[  298.142068]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  298.147104]  ? find_held_lock+0x36/0x1c0
[  298.151183]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.155864]  ? lock_downgrade+0x900/0x900
[  298.160031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.165583]  cache_grow_begin+0xa5/0x8c0
[  298.169652]  ? do_raw_spin_unlock+0xa7/0x330
[  298.174082]  fallback_alloc+0x204/0x2e0
[  298.178071]  ____cache_alloc_node+0x1c7/0x1e0
[  298.182584]  kmem_cache_alloc_node+0xe3/0x730
[  298.187088]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.191342]  __alloc_skb+0x119/0x770
[  298.195064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.200366]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.204788]  ? lock_downgrade+0x900/0x900
[  298.208952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.214500]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.219963]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.225426]  ? addrconf_rs_timer+0x690/0x690
[  298.229859]  ndisc_alloc_skb+0x144/0x340
[  298.233933]  ndisc_send_rs+0x331/0x6e0
[  298.237839]  addrconf_rs_timer+0x314/0x690
[  298.242090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.246343]  call_timer_fn+0x272/0x920
[  298.250241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.254508]  ? process_timeout+0x40/0x40
[  298.258583]  ? __run_timers+0x7da/0xc70
[  298.262571]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.267075]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.271577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.275821]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.280417]  ? trace_hardirqs_on+0xbd/0x310
[  298.284748]  ? kasan_check_read+0x11/0x20
[  298.288912]  ? __run_timers+0x7da/0xc70
[  298.292896]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.298018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.302289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.306545]  __run_timers+0x7e5/0xc70
[  298.310371]  ? timer_fixup_init+0x70/0x70
[  298.314532]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.319560]  ? zap_class+0x640/0x640
[  298.323299]  ? enqueue_hrtimer+0x1a5/0x560
[  298.327549]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.332758]  ? find_held_lock+0x36/0x1c0
[  298.336842]  ? zap_class+0x640/0x640
[  298.340582]  ? pvclock_read_flags+0x160/0x160
[  298.345092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.350638]  ? check_preemption_disabled+0x48/0x280
[  298.355672]  ? __lock_is_held+0xb5/0x140
[  298.359748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.365576]  ? check_preemption_disabled+0x48/0x280
[  298.370613]  run_timer_softirq+0x52/0xb0
[  298.374684]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.379708]  __do_softirq+0x308/0xb7e
[  298.383522]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.388026]  ? lock_downgrade+0x900/0x900
[  298.392191]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.397315]  ? pvclock_read_flags+0x160/0x160
[  298.401822]  ? lapic_next_event+0x5a/0x90
[  298.405982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.411532]  ? kvm_clock_read+0x18/0x30
[  298.415517]  ? kvm_sched_clock_read+0x9/0x20
[  298.419940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.425486]  ? check_preemption_disabled+0x48/0x280
[  298.430523]  irq_exit+0x17f/0x1c0
[  298.434077]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.438928]  ? smp_reschedule_interrupt+0x109/0x650
[  298.443954]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.449849]  ? interrupt_entry+0xb5/0xc0
[  298.453925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.458951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.463977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.468828]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.473859]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.478885]  ? task_prio+0x50/0x50
[  298.482443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.487989]  ? check_preemption_disabled+0x48/0x280
[  298.493020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.498394]  apic_timer_interrupt+0xf/0x20
[  298.502630]  </IRQ>
[  298.504881] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.509820] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  298.528728] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  298.536443] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  298.543717] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  298.550994] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  298.558291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  298.565568] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  298.572879]  skb_clone+0x1bb/0x500
[  298.576432]  ? finish_task_switch+0x1b4/0x910
[  298.580940]  ? skb_split+0x11e0/0x11e0
[  298.584843]  ? preempt_notifier_register+0x200/0x200
[  298.589958]  ? __switch_to_asm+0x34/0x70
[  298.594029]  ? __switch_to_asm+0x34/0x70
[  298.598096]  ? __switch_to_asm+0x40/0x70
[  298.602161]  ? __switch_to_asm+0x34/0x70
[  298.606232]  ? __switch_to_asm+0x40/0x70
[  298.610320]  ? __switch_to_asm+0x34/0x70
[  298.614399]  ? __switch_to_asm+0x40/0x70
[  298.618471]  ? __switch_to_asm+0x34/0x70
[  298.622540]  ? __switch_to_asm+0x34/0x70
[  298.626614]  ? __switch_to_asm+0x40/0x70
[  298.630696]  ? __switch_to_asm+0x34/0x70
[  298.634779]  bpf_clone_redirect+0xb9/0x490
[  298.639027]  ? __schedule+0x8d7/0x21d0
[  298.642930]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  298.647959]  ? __sched_text_start+0x8/0x8
[  298.652117]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.656894]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.661485]  ? retint_kernel+0x2d/0x2d
[  298.665390]  ? find_held_lock+0x36/0x1c0
[  298.669470]  ? lock_acquire+0x1ed/0x520
[  298.673452]  ? bpf_test_run+0x3ee/0x7a0
[  298.677439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.682987]  ? check_preemption_disabled+0x48/0x280
[  298.688018]  ? kasan_check_read+0x11/0x20
[  298.692179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.697465]  ? rcu_softirq_qs+0x20/0x20
[  298.701454]  ? preempt_schedule+0x4d/0x60
[  298.705611]  ? ___preempt_schedule+0x16/0x18
[  298.710039]  ? bpf_test_run+0x271/0x7a0
[  298.714033]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.718456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.724002]  ? bpf_test_init.isra.10+0x70/0x100
[  298.728690]  ? bpf_prog_test_run_skb+0x762/0xd60
[  298.733467]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.738333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.743881]  ? fput+0x130/0x1a0
[  298.747172]  ? __bpf_prog_get+0x9b/0x290
[  298.751267]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.756118]  ? bpf_prog_test_run+0x130/0x1a0
[  298.760538]  ? __x64_sys_bpf+0x3d8/0x520
[  298.764606]  ? bpf_prog_get+0x20/0x20
[  298.768429]  ? do_syscall_64+0x1e1/0x820
[  298.772509]  ? do_syscall_64+0x1b9/0x820
[  298.776577]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.781954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.786891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.791742]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.796779]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.801808]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.806843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.811703]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  298.817097] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  298.817167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.823602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.823611] Call Trace:
[  298.830186] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.839450]  <IRQ>
[  298.842030] syz-executor5 cpuset=syz5 mems_allowed=0
[  298.852522]  dump_stack+0x244/0x39d
[  298.863390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.868606]  warn_alloc.cold.116+0xb7/0x1bd
[  298.872940]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.877797]  ? lock_downgrade+0x900/0x900
[  298.881966]  ? trace_hardirqs_off+0xb8/0x310
[  298.886392]  ? trace_hardirqs_off+0xb8/0x310
[  298.890912]  __alloc_pages_slowpath+0x2651/0x2de0
[  298.895791]  ? warn_alloc+0x120/0x120
[  298.899604]  ? print_usage_bug+0xc0/0xc0
[  298.903679]  ? warn_alloc+0x120/0x120
[  298.907496]  ? warn_alloc+0x120/0x120
[  298.911309]  ? print_usage_bug+0xc0/0xc0
[  298.915383]  ? print_usage_bug+0xc0/0xc0
[  298.919454]  ? __lock_acquire+0x62f/0x4c20
[  298.923703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.929277]  ? should_fail+0x22d/0xd01
[  298.933182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.938299]  ? __lock_acquire+0x62f/0x4c20
[  298.942547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.947658]  ? __lock_acquire+0x62f/0x4c20
[  298.951898]  ? should_fail+0x22d/0xd01
[  298.955794]  ? find_held_lock+0x36/0x1c0
[  298.959877]  ? mark_held_locks+0x130/0x130
[  298.964125]  ? mark_held_locks+0x130/0x130
[  298.968368]  ? zap_class+0x640/0x640
[  298.972089]  ? zap_class+0x640/0x640
[  298.975818]  ? print_usage_bug+0xc0/0xc0
[  298.979888]  ? do_raw_spin_unlock+0xa7/0x330
[  298.984307]  ? zap_class+0x640/0x640
[  298.988031]  ? print_usage_bug+0xc0/0xc0
[  298.992103]  ? wq_watchdog_touch+0x9c/0xfe
[  298.996353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.001899]  ? check_preemption_disabled+0x48/0x280
[  299.006934]  ? __lock_is_held+0xb5/0x140
[  299.011014]  __alloc_pages_nodemask+0xad8/0xea0
[  299.015693]  ? zap_class+0x640/0x640
[  299.019429]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  299.024470]  ? find_held_lock+0x36/0x1c0
[  299.028550]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.033234]  ? lock_downgrade+0x900/0x900
[  299.037425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.042979]  cache_grow_begin+0xa5/0x8c0
[  299.047053]  ? do_raw_spin_unlock+0xa7/0x330
[  299.051477]  fallback_alloc+0x204/0x2e0
[  299.055467]  ____cache_alloc_node+0x1c7/0x1e0
[  299.059975]  kmem_cache_alloc_node+0xe3/0x730
[  299.064481]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.068734]  __alloc_skb+0x119/0x770
[  299.072460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.077754]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.082171]  ? lock_downgrade+0x900/0x900
[  299.086336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.091882]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.097348]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.102805]  ? addrconf_rs_timer+0x690/0x690
[  299.107237]  ndisc_alloc_skb+0x144/0x340
[  299.111335]  ndisc_send_rs+0x331/0x6e0
[  299.115240]  addrconf_rs_timer+0x314/0x690
[  299.119518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.123771]  call_timer_fn+0x272/0x920
[  299.127666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.131911]  ? process_timeout+0x40/0x40
[  299.135990]  ? mark_held_locks+0xc7/0x130
[  299.140148]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.144649]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.149153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.153401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.157998]  ? trace_hardirqs_on+0xbd/0x310
[  299.162330]  ? kasan_check_read+0x11/0x20
[  299.166487]  ? __run_timers+0x7da/0xc70
[  299.170477]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.175605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.179848]  __run_timers+0x7e5/0xc70
[  299.183676]  ? timer_fixup_init+0x70/0x70
[  299.187834]  ? kasan_check_read+0x11/0x20
[  299.191991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.197298]  ? rcu_softirq_qs+0x20/0x20
[  299.201305]  ? mark_held_locks+0xc7/0x130
[  299.205564]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.210332]  ? retint_kernel+0x2d/0x2d
[  299.214231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.219194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.223959]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.229417]  ? zap_class+0x640/0x640
[  299.233150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.238697]  ? check_preemption_disabled+0x48/0x280
[  299.243733]  ? __lock_is_held+0xb5/0x140
[  299.247808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.253359]  ? check_preemption_disabled+0x48/0x280
[  299.258391]  run_timer_softirq+0x52/0xb0
[  299.262460]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.267485]  __do_softirq+0x308/0xb7e
[  299.271309]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.275809]  ? lock_downgrade+0x900/0x900
[  299.280065]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.285187]  ? pvclock_read_flags+0x160/0x160
[  299.289694]  ? lapic_next_event+0x5a/0x90
[  299.293852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.299409]  ? kvm_clock_read+0x18/0x30
[  299.303390]  ? kvm_sched_clock_read+0x9/0x20
[  299.307813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.313360]  ? check_preemption_disabled+0x48/0x280
[  299.318407]  irq_exit+0x17f/0x1c0
[  299.321873]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.326722]  ? smp_reschedule_interrupt+0x109/0x650
[  299.331747]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.337638]  ? interrupt_entry+0xb5/0xc0
[  299.341709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.346737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.351763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.356616]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.361644]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.366672]  ? task_prio+0x50/0x50
[  299.370228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.375798]  ? check_preemption_disabled+0x48/0x280
[  299.380828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.385691]  apic_timer_interrupt+0xf/0x20
[  299.389926]  </IRQ>
[  299.392176] RIP: 0010:dump_stack+0x358/0x39d
[  299.396598] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  299.415507] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  299.423220] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  299.430519] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  299.437798] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  299.445076] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  299.452354] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  299.459649]  ? dump_stack+0x34f/0x39d
[  299.463471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.468685]  ? mark_held_locks+0x130/0x130
[  299.472932]  ? mark_held_locks+0x130/0x130
[  299.477193]  dump_header+0x27b/0xf72
[  299.480928]  ? pagefault_out_of_memory+0x197/0x197
[  299.486055]  ? __lock_acquire+0x62f/0x4c20
[  299.490307]  ? percpu_ref_get_many+0x240/0x240
[  299.494905]  ? print_usage_bug+0xc0/0xc0
[  299.498984]  ? zap_class+0x640/0x640
[  299.502712]  ? print_usage_bug+0xc0/0xc0
[  299.506779]  ? print_usage_bug+0xc0/0xc0
[  299.510856]  ? zap_class+0x640/0x640
[  299.514582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.520135]  ? find_held_lock+0x36/0x1c0
[  299.524218]  ? mark_held_locks+0xc7/0x130
[  299.528403]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.533518]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.538629]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  299.543220]  ? trace_hardirqs_on+0xbd/0x310
[  299.547574]  ? kasan_check_read+0x11/0x20
[  299.551732]  ? ___ratelimit+0x3b4/0x672
[  299.555718]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.560835]  ? trace_hardirqs_on+0x310/0x310
[  299.565274]  ? lock_downgrade+0x900/0x900
[  299.569443]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.574554]  ? ___ratelimit+0x3b9/0x672
[  299.578537]  ? idr_get_free+0xf70/0xf70
[  299.582520]  ? find_held_lock+0x36/0x1c0
[  299.586598]  oom_kill_process.cold.27+0x10/0x903
[  299.591368]  ? zap_class+0x640/0x640
[  299.595096]  ? check_preemption_disabled+0x48/0x280
[  299.600122]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.605060]  ? kasan_check_read+0x11/0x20
[  299.609215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.614526]  ? oom_evaluate_task+0x540/0x540
[  299.618947]  ? find_held_lock+0x36/0x1c0
[  299.623026]  ? out_of_memory+0x974/0x1430
[  299.627182]  ? lock_downgrade+0x900/0x900
[  299.631341]  ? check_preemption_disabled+0x48/0x280
[  299.636371]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.641315]  ? kasan_check_read+0x11/0x20
[  299.645472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.650756]  ? rcu_softirq_qs+0x20/0x20
[  299.654745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.660307]  ? oom_evaluate_task+0x302/0x540
[  299.664727]  out_of_memory+0xa84/0x1430
[  299.668721]  ? oom_killer_disable+0x3a0/0x3a0
[  299.673226]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  299.678190]  ? __ww_mutex_check_waiters+0x160/0x160
[  299.683231]  __alloc_pages_slowpath+0x232c/0x2de0
[  299.688134]  ? warn_alloc+0x120/0x120
[  299.691941]  ? mark_held_locks+0x130/0x130
[  299.696190]  ? find_get_entry+0xaae/0x1120
[  299.700443]  ? filemap_map_pages+0x1a20/0x1a20
[  299.705041]  ? zap_class+0x640/0x640
[  299.708770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.714327]  ? check_preemption_disabled+0x48/0x280
[  299.719356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.724905]  ? should_fail+0x22d/0xd01
[  299.728806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.733919]  ? zap_class+0x640/0x640
[  299.737668]  ? __lock_is_held+0xb5/0x140
[  299.741747]  ? mark_held_locks+0x130/0x130
[  299.745998]  ? lock_release+0xa00/0xa00
[  299.749985]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.755446]  ? xa_load+0x2ba/0x460
[  299.758996]  ? lock_downgrade+0x900/0x900
[  299.763159]  ? __might_sleep+0x95/0x190
[  299.767148]  __alloc_pages_nodemask+0xad8/0xea0
[  299.771832]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  299.776864]  ? __page_cache_alloc+0x191/0x5c0
[  299.781373]  ? xa_load+0x2e1/0x460
[  299.784923]  ? xa_clear_mark+0x40/0x40
[  299.788820]  ? zap_class+0x640/0x640
[  299.792548]  ? zap_class+0x640/0x640
[  299.796292]  ? zap_class+0x640/0x640
[  299.800016]  ? __do_page_cache_readahead+0x663/0x810
[  299.805134]  ? find_held_lock+0x36/0x1c0
[  299.809213]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  299.814781]  alloc_pages_current+0x173/0x350
[  299.819209]  __page_cache_alloc+0x38c/0x5c0
[  299.823538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.828475]  ? kasan_check_read+0x11/0x20
[  299.832630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.837916]  ? generic_perform_write+0x6a0/0x6a0
[  299.842683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.848230]  ? check_preemption_disabled+0x48/0x280
[  299.853310]  filemap_fault+0x1595/0x25f0
[  299.857393]  ? __lock_page_or_retry+0xa00/0xa00
[  299.862074]  ? mark_held_locks+0x130/0x130
[  299.866330]  ? filemap_map_pages+0xd6b/0x1a20
[  299.870838]  ? lock_downgrade+0x900/0x900
[  299.874994]  ? check_preemption_disabled+0x48/0x280
[  299.880020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.884956]  ? kasan_check_read+0x11/0x20
[  299.889115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.894406]  ? rcu_softirq_qs+0x20/0x20
[  299.898406]  ? filemap_map_pages+0xd92/0x1a20
[  299.902924]  ? find_get_entries_tag+0x1400/0x1400
[  299.907799]  ? lock_acquire+0x1ed/0x520
[  299.911912]  ? ext4_filemap_fault+0x7a/0xad
[  299.916281]  ? lock_release+0xa00/0xa00
[  299.920290]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.925751]  ? mark_held_locks+0x130/0x130
[  299.929999]  ? print_usage_bug+0xc0/0xc0
[  299.934071]  ? print_usage_bug+0xc0/0xc0
[  299.938154]  ? down_read+0x8d/0x120
[  299.941788]  ? ext4_filemap_fault+0x7a/0xad
[  299.946122]  ? __down_interruptible+0x700/0x700
[  299.950813]  ext4_filemap_fault+0x82/0xad
[  299.954974]  __do_fault+0x100/0x6b0
[  299.958615]  ? pmd_devmap_trans_unstable+0x220/0x220
[  299.963730]  ? mark_held_locks+0x130/0x130
[  299.967976]  ? mark_held_locks+0x130/0x130
[  299.972226]  ? hrtimer_forward+0x2a0/0x2a0
[  299.976498]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  299.981360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.986911]  __handle_mm_fault+0x3ea6/0x5be0
[  299.991337]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  299.996191]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  300.001306]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  300.006424]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.011020]  ? trace_hardirqs_on+0xbd/0x310
[  300.015354]  ? kasan_check_read+0x11/0x20
[  300.019598]  ? __free_object+0x173/0x340
[  300.023682]  ? zap_class+0x640/0x640
[  300.027405]  ? zap_class+0x640/0x640
[  300.031125]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.036243]  ? find_held_lock+0x36/0x1c0
[  300.040356]  ? handle_mm_fault+0x42a/0xc70
[  300.044603]  ? lock_downgrade+0x900/0x900
[  300.048759]  ? check_preemption_disabled+0x48/0x280
[  300.053787]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.058728]  ? kasan_check_read+0x11/0x20
[  300.062888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.068173]  ? rcu_softirq_qs+0x20/0x20
[  300.072156]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.077294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.082844]  ? check_preemption_disabled+0x48/0x280
[  300.087879]  handle_mm_fault+0x54f/0xc70
[  300.091953]  ? __handle_mm_fault+0x5be0/0x5be0
[  300.096550]  ? find_vma+0x34/0x190
[  300.100107]  __do_page_fault+0x5e8/0xe60
[  300.104177]  ? trace_hardirqs_off+0xb8/0x310
[  300.108606]  do_page_fault+0xf2/0x7e0
[  300.112422]  ? vmalloc_sync_all+0x30/0x30
[  300.116579]  ? error_entry+0x70/0xd0
[  300.120318]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.125345]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.130302]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.135243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.140123]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.145151]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.150610]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.155656]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.160681]  ? page_fault+0x8/0x30
[  300.164232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.169112]  ? page_fault+0x8/0x30
[  300.172666]  page_fault+0x1e/0x30
[  300.176125] RIP: 0033:0x7f4afc2d3e40
[  300.179858] Code: Bad RIP value.
[  300.183227] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  300.188618] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  300.195895] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  300.203170] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  300.210446] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  300.217720] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  300.225020] warn_alloc_show_mem: 1 callbacks suppressed
[  300.225033] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  300.225035] Mem-Info:
[  300.225066] active_anon:57379 inactive_anon:189 isolated_anon:0
[  300.225066]  active_file:13 inactive_file:16 isolated_file:0
[  300.225066]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.225066]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  300.225066]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  300.225066]  free:13771 free_pcp:208 free_cma:0
[  300.230410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.230419] Call Trace:
[  300.237802] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.240209]  <IRQ>
[  300.273205] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  300.282578]  dump_stack+0x244/0x39d
[  300.285140] lowmem_reserve[]: 0 2818 6321 6321
[  300.312662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.314800] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  300.340923]  warn_alloc.cold.116+0xb7/0x1bd
[  300.344526] lowmem_reserve[]: 0 0 3503 3503
[  300.349112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.354307] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  300.382114]  ? lock_downgrade+0x900/0x900
[  300.386420] lowmem_reserve[]: 0 0 0 0
[  300.390747]  ? trace_hardirqs_off+0xb8/0x310
[  300.395570] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  300.424462]  ? trace_hardirqs_off+0xb8/0x310
[  300.428594] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  300.432564]  __alloc_pages_slowpath+0x2651/0x2de0
[  300.436953] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  300.450504]  ? warn_alloc+0x120/0x120
[  300.454882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.470360]  ? print_usage_bug+0xc0/0xc0
[  300.475192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.489773]  ? warn_alloc+0x120/0x120
[  300.493558] 273 total pagecache pages
[  300.502908]  ? warn_alloc+0x120/0x120
[  300.506965] 0 pages in swap cache
[  300.515536]  ? print_usage_bug+0xc0/0xc0
[  300.519327] Swap cache stats: add 0, delete 0, find 0/0
[  300.523127]  ? kvm_clock_read+0x18/0x30
[  300.526911] Free swap  = 0kB
[  300.530373]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  300.534420] Total swap = 0kB
[  300.539787]  ? print_usage_bug+0xc0/0xc0
[  300.543746] 1965979 pages RAM
[  300.546775]  ? __lock_acquire+0x62f/0x4c20
[  300.551777] 0 pages HighMem/MovableOnly
[  300.554807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.558852] 342853 pages reserved
[  300.561959]  ? should_fail+0x22d/0xd01
[  300.566169] 0 pages cma reserved
[  300.566240] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.570155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.570173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.575785] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.579157]  ? __lock_acquire+0x62f/0x4c20
[  300.583031] cron cpuset=/ mems_allowed=0
[  300.586400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.626364]  ? __lock_acquire+0x62f/0x4c20
[  300.630605]  ? should_fail+0x22d/0xd01
[  300.634501]  ? rcu_irq_exit+0x1a2/0x390
[  300.638557]  ? mark_held_locks+0x130/0x130
[  300.642806]  ? mark_held_locks+0x130/0x130
[  300.647055]  ? mark_held_locks+0xc7/0x130
[  300.651213]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  300.656280]  ? zap_class+0x640/0x640
[  300.660006]  ? print_usage_bug+0xc0/0xc0
[  300.664081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.669635]  ? check_preemption_disabled+0x48/0x280
[  300.674672]  ? __lock_is_held+0xb5/0x140
[  300.678749]  __alloc_pages_nodemask+0xad8/0xea0
[  300.683440]  ? zap_class+0x640/0x640
[  300.687166]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  300.692201]  ? find_held_lock+0x36/0x1c0
[  300.696297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.700979]  ? lock_downgrade+0x900/0x900
[  300.705142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.710692]  cache_grow_begin+0xa5/0x8c0
[  300.714760]  ? do_raw_spin_unlock+0xa7/0x330
[  300.719190]  fallback_alloc+0x204/0x2e0
[  300.723179]  ____cache_alloc_node+0x1c7/0x1e0
[  300.727694]  kmem_cache_alloc_node+0xe3/0x730
[  300.732200]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.736456]  __alloc_skb+0x119/0x770
[  300.740182]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.745471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.749890]  ? lock_downgrade+0x900/0x900
[  300.754053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.759603]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.765066]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.770531]  ? addrconf_rs_timer+0x690/0x690
[  300.774958]  ndisc_alloc_skb+0x144/0x340
[  300.779036]  ndisc_send_rs+0x331/0x6e0
[  300.782941]  addrconf_rs_timer+0x314/0x690
[  300.787189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.791444]  call_timer_fn+0x272/0x920
[  300.795340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.799582]  ? process_timeout+0x40/0x40
[  300.803658]  ? __run_timers+0x7da/0xc70
[  300.807642]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.812144]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.816644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.820890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.825484]  ? trace_hardirqs_on+0xbd/0x310
[  300.829814]  ? kasan_check_read+0x11/0x20
[  300.833971]  ? __run_timers+0x7da/0xc70
[  300.837955]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.843071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.847325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.851565]  __run_timers+0x7e5/0xc70
[  300.855385]  ? timer_fixup_init+0x70/0x70
[  300.859545]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.864573]  ? zap_class+0x640/0x640
[  300.868309]  ? enqueue_hrtimer+0x1a5/0x560
[  300.872558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.877765]  ? find_held_lock+0x36/0x1c0
[  300.881848]  ? zap_class+0x640/0x640
[  300.885575]  ? pvclock_read_flags+0x160/0x160
[  300.890086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.895633]  ? check_preemption_disabled+0x48/0x280
[  300.900666]  ? __lock_is_held+0xb5/0x140
[  300.904736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.910301]  ? check_preemption_disabled+0x48/0x280
[  300.915334]  run_timer_softirq+0x52/0xb0
[  300.919407]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.924441]  __do_softirq+0x308/0xb7e
[  300.928273]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.932782]  ? lock_downgrade+0x900/0x900
[  300.936946]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.942066]  ? pvclock_read_flags+0x160/0x160
[  300.946573]  ? lapic_next_event+0x5a/0x90
[  300.950730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.956301]  ? kvm_clock_read+0x18/0x30
[  300.960303]  ? kvm_sched_clock_read+0x9/0x20
[  300.964726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.970292]  ? check_preemption_disabled+0x48/0x280
[  300.975331]  irq_exit+0x17f/0x1c0
[  300.978800]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.983650]  ? smp_reschedule_interrupt+0x109/0x650
[  300.988676]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.994568]  ? interrupt_entry+0xb5/0xc0
[  300.998640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.003664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.008694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.013550]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.018576]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.023604]  ? task_prio+0x50/0x50
[  301.027161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.032710]  ? check_preemption_disabled+0x48/0x280
[  301.037742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.042607]  apic_timer_interrupt+0xf/0x20
[  301.046844]  </IRQ>
[  301.049093] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  301.054033] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  301.072942] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  301.080663] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  301.087939] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  301.095213] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  301.102506] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  301.109786] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  301.117101]  skb_clone+0x1bb/0x500
[  301.120655]  ? finish_task_switch+0x1b4/0x910
[  301.125159]  ? skb_split+0x11e0/0x11e0
[  301.129059]  ? preempt_notifier_register+0x200/0x200
[  301.134175]  ? __switch_to_asm+0x34/0x70
[  301.138243]  ? __switch_to_asm+0x34/0x70
[  301.142336]  ? __switch_to_asm+0x40/0x70
[  301.146405]  ? __switch_to_asm+0x34/0x70
[  301.150471]  ? __switch_to_asm+0x40/0x70
[  301.154539]  ? __switch_to_asm+0x34/0x70
[  301.158606]  ? __switch_to_asm+0x40/0x70
[  301.162674]  ? __switch_to_asm+0x34/0x70
[  301.166742]  ? __switch_to_asm+0x34/0x70
[  301.170811]  ? __switch_to_asm+0x40/0x70
[  301.174876]  ? __switch_to_asm+0x34/0x70
[  301.178950]  bpf_clone_redirect+0xb9/0x490
[  301.183194]  ? __schedule+0x8d7/0x21d0
[  301.187100]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  301.192127]  ? __sched_text_start+0x8/0x8
[  301.196301]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.201068]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.205656]  ? retint_kernel+0x2d/0x2d
[  301.209557]  ? find_held_lock+0x36/0x1c0
[  301.213634]  ? lock_acquire+0x1ed/0x520
[  301.217623]  ? bpf_test_run+0x3ee/0x7a0
[  301.221606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.227153]  ? check_preemption_disabled+0x48/0x280
[  301.232184]  ? kasan_check_read+0x11/0x20
[  301.236396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.241683]  ? rcu_softirq_qs+0x20/0x20
[  301.245666]  ? preempt_schedule+0x4d/0x60
[  301.249828]  ? ___preempt_schedule+0x16/0x18
[  301.254274]  ? bpf_test_run+0x271/0x7a0
[  301.258293]  ? netlink_diag_dump+0x2a0/0x2a0
[  301.262718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.268280]  ? bpf_test_init.isra.10+0x70/0x100
[  301.272965]  ? bpf_prog_test_run_skb+0x762/0xd60
[  301.277744]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.282606]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.288158]  ? fput+0x130/0x1a0
[  301.291448]  ? __bpf_prog_get+0x9b/0x290
[  301.295525]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.300375]  ? bpf_prog_test_run+0x130/0x1a0
[  301.304799]  ? __x64_sys_bpf+0x3d8/0x520
[  301.308869]  ? bpf_prog_get+0x20/0x20
[  301.312692]  ? do_syscall_64+0x1e1/0x820
[  301.316777]  ? do_syscall_64+0x1b9/0x820
[  301.320860]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  301.326235]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.331195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.336051]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.341077]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  301.346104]  ? prepare_exit_to_usermode+0x291/0x3b0
[  301.351136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.355995]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.361390] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  301.361460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.367893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.367899] Call Trace:
[  301.367906]  <IRQ>
[  301.367924]  dump_stack+0x244/0x39d
[  301.367948]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.374561] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.383817]  warn_alloc.cold.116+0xb7/0x1bd
[  301.386521] syz-executor5 cpuset=syz5 mems_allowed=0
[  301.388680]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.388699]  ? lock_downgrade+0x900/0x900
[  301.428423]  ? trace_hardirqs_off+0xb8/0x310
[  301.432854]  ? trace_hardirqs_off+0xb8/0x310
[  301.437304]  __alloc_pages_slowpath+0x2651/0x2de0
[  301.442192]  ? warn_alloc+0x120/0x120
[  301.445999]  ? print_usage_bug+0xc0/0xc0
[  301.450075]  ? warn_alloc+0x120/0x120
[  301.453894]  ? warn_alloc+0x120/0x120
[  301.457705]  ? print_usage_bug+0xc0/0xc0
[  301.461775]  ? kvm_clock_read+0x18/0x30
[  301.465764]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  301.470795]  ? print_usage_bug+0xc0/0xc0
[  301.474960]  ? __lock_acquire+0x62f/0x4c20
[  301.479208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.484757]  ? should_fail+0x22d/0xd01
[  301.488655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.493943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.499059]  ? __lock_acquire+0x62f/0x4c20
[  301.503316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.508431]  ? __lock_acquire+0x62f/0x4c20
[  301.512673]  ? should_fail+0x22d/0xd01
[  301.516567]  ? rcu_irq_exit+0x1a2/0x390
[  301.520567]  ? mark_held_locks+0x130/0x130
[  301.524816]  ? mark_held_locks+0x130/0x130
[  301.529071]  ? mark_held_locks+0xc7/0x130
[  301.533234]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  301.538301]  ? zap_class+0x640/0x640
[  301.542025]  ? print_usage_bug+0xc0/0xc0
[  301.546104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.551651]  ? check_preemption_disabled+0x48/0x280
[  301.556692]  ? __lock_is_held+0xb5/0x140
[  301.560769]  __alloc_pages_nodemask+0xad8/0xea0
[  301.565451]  ? zap_class+0x640/0x640
[  301.569185]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  301.574222]  ? find_held_lock+0x36/0x1c0
[  301.578358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.583043]  ? lock_downgrade+0x900/0x900
[  301.587290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.592848]  cache_grow_begin+0xa5/0x8c0
[  301.596965]  ? do_raw_spin_unlock+0xa7/0x330
[  301.601394]  fallback_alloc+0x204/0x2e0
[  301.605392]  ____cache_alloc_node+0x1c7/0x1e0
[  301.609906]  kmem_cache_alloc_node+0xe3/0x730
[  301.614413]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.618667]  __alloc_skb+0x119/0x770
[  301.622393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.627686]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.632101]  ? lock_downgrade+0x900/0x900
[  301.636293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.641846]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.647319]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.652782]  ? addrconf_rs_timer+0x690/0x690
[  301.657212]  ndisc_alloc_skb+0x144/0x340
[  301.661326]  ndisc_send_rs+0x331/0x6e0
[  301.665227]  addrconf_rs_timer+0x314/0x690
[  301.669502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.673760]  call_timer_fn+0x272/0x920
[  301.677658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.681901]  ? process_timeout+0x40/0x40
[  301.685979]  ? mark_held_locks+0xc7/0x130
[  301.690136]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.694637]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.699137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.703380]  ? lockdep_hardirqs_on+0x296/0x5b0
[  301.707975]  ? trace_hardirqs_on+0xbd/0x310
[  301.712372]  ? kasan_check_read+0x11/0x20
[  301.716530]  ? __run_timers+0x7da/0xc70
[  301.720515]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.725632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.729885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.734142]  __run_timers+0x7e5/0xc70
[  301.737960]  ? timer_fixup_init+0x70/0x70
[  301.742122]  ? kasan_check_read+0x11/0x20
[  301.746298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.751584]  ? rcu_softirq_qs+0x20/0x20
[  301.755573]  ? mark_held_locks+0xc7/0x130
[  301.759733]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.764502]  ? retint_kernel+0x2d/0x2d
[  301.768398]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.773338]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.778102]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.783604]  ? zap_class+0x640/0x640
[  301.787333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.792880]  ? check_preemption_disabled+0x48/0x280
[  301.797933]  ? __lock_is_held+0xb5/0x140
[  301.802003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.807602]  ? check_preemption_disabled+0x48/0x280
[  301.812632]  run_timer_softirq+0x52/0xb0
[  301.816709]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.821735]  __do_softirq+0x308/0xb7e
[  301.825548]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  301.830050]  ? lock_downgrade+0x900/0x900
[  301.834213]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.839354]  ? pvclock_read_flags+0x160/0x160
[  301.843987]  ? lapic_next_event+0x5a/0x90
[  301.848149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.853702]  ? kvm_clock_read+0x18/0x30
[  301.857683]  ? kvm_sched_clock_read+0x9/0x20
[  301.862105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.867687]  ? check_preemption_disabled+0x48/0x280
[  301.872727]  irq_exit+0x17f/0x1c0
[  301.876191]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.881046]  ? smp_reschedule_interrupt+0x109/0x650
[  301.886074]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.891966]  ? interrupt_entry+0xb5/0xc0
[  301.896038]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.901065]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.906097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.910953]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.916027]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.921060]  ? task_prio+0x50/0x50
[  301.924611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.930159]  ? check_preemption_disabled+0x48/0x280
[  301.935241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.940127]  apic_timer_interrupt+0xf/0x20
[  301.944368]  </IRQ>
[  301.946615] RIP: 0010:dump_stack+0x358/0x39d
[  301.951038] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  301.969948] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  301.977668] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  301.984948] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  301.992229] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  301.999528] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  302.006803] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  302.014099]  ? dump_stack+0x34f/0x39d
[  302.017925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.023129]  ? mark_held_locks+0x130/0x130
[  302.027377]  ? mark_held_locks+0x130/0x130
[  302.031625]  dump_header+0x27b/0xf72
[  302.035363]  ? pagefault_out_of_memory+0x197/0x197
[  302.040323]  ? __lock_acquire+0x62f/0x4c20
[  302.044660]  ? percpu_ref_get_many+0x240/0x240
[  302.049278]  ? print_usage_bug+0xc0/0xc0
[  302.053358]  ? zap_class+0x640/0x640
[  302.057082]  ? print_usage_bug+0xc0/0xc0
[  302.061149]  ? print_usage_bug+0xc0/0xc0
[  302.065222]  ? zap_class+0x640/0x640
[  302.068974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.074525]  ? find_held_lock+0x36/0x1c0
[  302.078606]  ? mark_held_locks+0xc7/0x130
[  302.082770]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.087886]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.093003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.097596]  ? trace_hardirqs_on+0xbd/0x310
[  302.101936]  ? kasan_check_read+0x11/0x20
[  302.106097]  ? ___ratelimit+0x3b4/0x672
[  302.110082]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.115196]  ? trace_hardirqs_on+0x310/0x310
[  302.119618]  ? lock_downgrade+0x900/0x900
[  302.123782]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.128896]  ? ___ratelimit+0x3b9/0x672
[  302.132883]  ? idr_get_free+0xf70/0xf70
[  302.136875]  ? find_held_lock+0x36/0x1c0
[  302.140954]  oom_kill_process.cold.27+0x10/0x903
[  302.145718]  ? zap_class+0x640/0x640
[  302.149459]  ? check_preemption_disabled+0x48/0x280
[  302.154488]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.159430]  ? kasan_check_read+0x11/0x20
[  302.163586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.168875]  ? oom_evaluate_task+0x540/0x540
[  302.173317]  ? find_held_lock+0x36/0x1c0
[  302.177395]  ? out_of_memory+0x974/0x1430
[  302.181601]  ? lock_downgrade+0x900/0x900
[  302.185761]  ? check_preemption_disabled+0x48/0x280
[  302.190789]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.195729]  ? kasan_check_read+0x11/0x20
[  302.199884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.205172]  ? rcu_softirq_qs+0x20/0x20
[  302.209163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.214711]  ? oom_evaluate_task+0x302/0x540
[  302.219132]  out_of_memory+0xa84/0x1430
[  302.223126]  ? oom_killer_disable+0x3a0/0x3a0
[  302.227636]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  302.232578]  ? __ww_mutex_check_waiters+0x160/0x160
[  302.237619]  __alloc_pages_slowpath+0x232c/0x2de0
[  302.242504]  ? warn_alloc+0x120/0x120
[  302.246312]  ? mark_held_locks+0x130/0x130
[  302.250562]  ? find_get_entry+0xaae/0x1120
[  302.254816]  ? filemap_map_pages+0x1a20/0x1a20
[  302.259412]  ? zap_class+0x640/0x640
[  302.263142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.268739]  ? check_preemption_disabled+0x48/0x280
[  302.273765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.279316]  ? should_fail+0x22d/0xd01
[  302.283215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.288348]  ? zap_class+0x640/0x640
[  302.292097]  ? __lock_is_held+0xb5/0x140
[  302.296174]  ? mark_held_locks+0x130/0x130
[  302.300422]  ? lock_release+0xa00/0xa00
[  302.304411]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.309869]  ? xa_load+0x2ba/0x460
[  302.313420]  ? lock_downgrade+0x900/0x900
[  302.317584]  ? __might_sleep+0x95/0x190
[  302.321573]  __alloc_pages_nodemask+0xad8/0xea0
[  302.326282]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  302.331310]  ? __page_cache_alloc+0x191/0x5c0
[  302.335813]  ? xa_load+0x2e1/0x460
[  302.339367]  ? xa_clear_mark+0x40/0x40
[  302.343288]  ? zap_class+0x640/0x640
[  302.347025]  ? zap_class+0x640/0x640
[  302.350745]  ? zap_class+0x640/0x640
[  302.354468]  ? __do_page_cache_readahead+0x663/0x810
[  302.359584]  ? find_held_lock+0x36/0x1c0
[  302.363662]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  302.369769]  alloc_pages_current+0x173/0x350
[  302.374193]  __page_cache_alloc+0x38c/0x5c0
[  302.378526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.383466]  ? kasan_check_read+0x11/0x20
[  302.387625]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.392913]  ? generic_perform_write+0x6a0/0x6a0
[  302.397680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.403226]  ? check_preemption_disabled+0x48/0x280
[  302.408303]  filemap_fault+0x1595/0x25f0
[  302.412386]  ? __lock_page_or_retry+0xa00/0xa00
[  302.417070]  ? mark_held_locks+0x130/0x130
[  302.421323]  ? filemap_map_pages+0xd6b/0x1a20
[  302.425827]  ? lock_downgrade+0x900/0x900
[  302.429988]  ? check_preemption_disabled+0x48/0x280
[  302.435111]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.440050]  ? kasan_check_read+0x11/0x20
[  302.444204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.449491]  ? rcu_softirq_qs+0x20/0x20
[  302.453493]  ? filemap_map_pages+0xd92/0x1a20
[  302.458011]  ? find_get_entries_tag+0x1400/0x1400
[  302.462936]  ? lock_acquire+0x1ed/0x520
[  302.466923]  ? ext4_filemap_fault+0x7a/0xad
[  302.471291]  ? lock_release+0xa00/0xa00
[  302.475293]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.480755]  ? mark_held_locks+0x130/0x130
[  302.484999]  ? print_usage_bug+0xc0/0xc0
[  302.489210]  ? print_usage_bug+0xc0/0xc0
[  302.493315]  ? down_read+0x8d/0x120
[  302.497167]  ? ext4_filemap_fault+0x7a/0xad
[  302.501500]  ? __down_interruptible+0x700/0x700
[  302.506195]  ext4_filemap_fault+0x82/0xad
[  302.510357]  __do_fault+0x100/0x6b0
[  302.514007]  ? pmd_devmap_trans_unstable+0x220/0x220
[  302.519123]  ? mark_held_locks+0x130/0x130
[  302.523369]  ? mark_held_locks+0x130/0x130
[  302.527623]  ? hrtimer_forward+0x2a0/0x2a0
[  302.531863]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  302.536716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.542292]  __handle_mm_fault+0x3ea6/0x5be0
[  302.546719]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  302.551576]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.556687]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.561801]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.566394]  ? trace_hardirqs_on+0xbd/0x310
[  302.570722]  ? kasan_check_read+0x11/0x20
[  302.574884]  ? __free_object+0x173/0x340
[  302.578971]  ? zap_class+0x640/0x640
[  302.582698]  ? zap_class+0x640/0x640
[  302.586420]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.591536]  ? find_held_lock+0x36/0x1c0
[  302.595619]  ? handle_mm_fault+0x42a/0xc70
[  302.599863]  ? lock_downgrade+0x900/0x900
[  302.604024]  ? check_preemption_disabled+0x48/0x280
[  302.609052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.613990]  ? kasan_check_read+0x11/0x20
[  302.618148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.623438]  ? rcu_softirq_qs+0x20/0x20
[  302.627427]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.632544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.638096]  ? check_preemption_disabled+0x48/0x280
[  302.643127]  handle_mm_fault+0x54f/0xc70
[  302.647202]  ? __handle_mm_fault+0x5be0/0x5be0
[  302.651922]  ? find_vma+0x34/0x190
[  302.655479]  __do_page_fault+0x5e8/0xe60
[  302.659549]  ? trace_hardirqs_off+0xb8/0x310
[  302.663977]  do_page_fault+0xf2/0x7e0
[  302.667787]  ? vmalloc_sync_all+0x30/0x30
[  302.671948]  ? error_entry+0x70/0xd0
[  302.675671]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.680698]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.685732]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.690671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.695523]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.700552]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.706080]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.711107]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.716136]  ? page_fault+0x8/0x30
[  302.719689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.724542]  ? page_fault+0x8/0x30
[  302.728091]  page_fault+0x1e/0x30
[  302.731554] RIP: 0033:0x7f4afc2d3e40
[  302.735310] Code: Bad RIP value.
[  302.738679] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  302.744046] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  302.751325] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  302.758604] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  302.765879] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  302.773156] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  302.780461] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  302.780467] warn_alloc_show_mem: 1 callbacks suppressed
[  302.780474] Mem-Info:
[  302.787846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.793222] active_anon:57379 inactive_anon:189 isolated_anon:0
[  302.793222]  active_file:13 inactive_file:16 isolated_file:0
[  302.793222]  unevictable:0 dirty:0 writeback:0 unstable:0
[  302.793222]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  302.793222]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  302.793222]  free:13771 free_pcp:208 free_cma:0
[  302.795603] Call Trace:
[  302.805003] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  302.837854]  <IRQ>
[  302.840432] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  302.867936]  dump_stack+0x244/0x39d
[  302.870072] lowmem_reserve[]: 0 2818 6321 6321
[  302.896186]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.899798] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  302.904393]  warn_alloc.cold.116+0xb7/0x1bd
[  302.909560] lowmem_reserve[]: 0 0 3503 3503
[  302.937150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.941460] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  302.945803]  ? lock_downgrade+0x900/0x900
[  302.950624] lowmem_reserve[]: 0 0 0 0
[  302.979522]  ? trace_hardirqs_off+0xb8/0x310
[  302.983653] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  302.987461]  ? trace_hardirqs_off+0xb8/0x310
[  302.991851] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  303.005384]  __alloc_pages_slowpath+0x2651/0x2de0
[  303.009776] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  303.025233]  ? warn_alloc+0x120/0x120
[  303.030045] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.044608]  ? warn_alloc+0x120/0x120
[  303.048401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.057237]  ? zap_class+0x640/0x640
[  303.061049] 273 total pagecache pages
[  303.069625]  ? warn_alloc+0x120/0x120
[  303.073333] 0 pages in swap cache
[  303.077132]  ? print_usage_bug+0xc0/0xc0
[  303.080924] Swap cache stats: add 0, delete 0, find 0/0
[  303.084387]  ? print_usage_bug+0xc0/0xc0
[  303.088435] Free swap  = 0kB
[  303.093802]  ? check_usage_forwards+0x3d0/0x3d0
[  303.097845] Total swap = 0kB
[  303.100866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.105523] 1965979 pages RAM
[  303.108558]  ? should_fail+0x22d/0xd01
[  303.114076] 0 pages HighMem/MovableOnly
[  303.117186]  ? __bfs+0x321/0x780
[  303.121056] 342853 pages reserved
[  303.121065] 0 pages cma reserved
[  303.125041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.128450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.131847]  ? __lock_acquire+0x62f/0x4c20
[  303.135311] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.140322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.146810] cron cpuset=/ mems_allowed=0
[  303.151045]  ? __lock_acquire+0x62f/0x4c20
[  303.174116]  ? should_fail+0x22d/0xd01
[  303.178026]  ? mark_held_locks+0x130/0x130
[  303.182292]  ? mark_held_locks+0x130/0x130
[  303.186542]  ? kasan_check_read+0x11/0x20
[  303.190700]  ? __lock_acquire+0x2aff/0x4c20
[  303.195030]  ? zap_class+0x640/0x640
[  303.198764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.204318]  ? check_preemption_disabled+0x48/0x280
[  303.209354]  ? __lock_is_held+0xb5/0x140
[  303.213431]  __alloc_pages_nodemask+0xad8/0xea0
[  303.218112]  ? zap_class+0x640/0x640
[  303.221842]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  303.226881]  ? find_held_lock+0x36/0x1c0
[  303.230960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.235647]  ? lock_downgrade+0x900/0x900
[  303.239813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.245378]  cache_grow_begin+0xa5/0x8c0
[  303.249458]  ? do_raw_spin_unlock+0xa7/0x330
[  303.253888]  fallback_alloc+0x204/0x2e0
[  303.257882]  ____cache_alloc_node+0x1c7/0x1e0
[  303.262393]  kmem_cache_alloc_node+0xe3/0x730
[  303.266898]  ? do_raw_spin_unlock+0xa7/0x330
[  303.271322]  ? do_raw_spin_trylock+0x270/0x270
[  303.275924]  __alloc_skb+0x119/0x770
[  303.279656]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.284078]  ? atomic_notifier_call_chain+0xc6/0x190
[  303.289192]  ? lock_downgrade+0x900/0x900
[  303.293352]  ? check_preemption_disabled+0x48/0x280
[  303.298387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.303326]  ? kasan_check_read+0x11/0x20
[  303.307484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.312778]  ? rcu_softirq_qs+0x20/0x20
[  303.316764]  ? kasan_check_read+0x11/0x20
[  303.320928]  ? do_raw_write_trylock+0x270/0x270
[  303.325617]  __neigh_notify+0x8c/0x160
[  303.329514]  ? neigh_connected_output+0x780/0x780
[  303.334370]  neigh_timer_handler+0x6cb/0xdf0
[  303.338793]  ? check_preemption_disabled+0x48/0x280
[  303.343821]  ? neigh_periodic_work+0xc60/0xc60
[  303.348414]  ? __lock_is_held+0xb5/0x140
[  303.352497]  call_timer_fn+0x272/0x920
[  303.356397]  ? neigh_periodic_work+0xc60/0xc60
[  303.360988]  ? process_timeout+0x40/0x40
[  303.365065]  ? __run_timers+0x7da/0xc70
[  303.369055]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.373558]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.378059]  ? neigh_periodic_work+0xc60/0xc60
[  303.382654]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.387270]  ? trace_hardirqs_on+0xbd/0x310
[  303.391601]  ? kasan_check_read+0x11/0x20
[  303.395757]  ? __run_timers+0x7da/0xc70
[  303.399749]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.404877]  ? neigh_periodic_work+0xc60/0xc60
[  303.409478]  __run_timers+0x7e5/0xc70
[  303.413312]  ? timer_fixup_init+0x70/0x70
[  303.417478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.422503]  ? zap_class+0x640/0x640
[  303.426230]  ? enqueue_hrtimer+0x1a5/0x560
[  303.430502]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.435710]  ? find_held_lock+0x36/0x1c0
[  303.439795]  ? zap_class+0x640/0x640
[  303.443524]  ? pvclock_read_flags+0x160/0x160
[  303.448032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.453584]  ? check_preemption_disabled+0x48/0x280
[  303.458621]  ? __lock_is_held+0xb5/0x140
[  303.462694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.468239]  ? check_preemption_disabled+0x48/0x280
[  303.473310]  run_timer_softirq+0x52/0xb0
[  303.477381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.482411]  __do_softirq+0x308/0xb7e
[  303.486222]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.490746]  ? lock_downgrade+0x900/0x900
[  303.494916]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.500036]  ? pvclock_read_flags+0x160/0x160
[  303.504544]  ? lapic_next_event+0x5a/0x90
[  303.508707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.514279]  ? kvm_clock_read+0x18/0x30
[  303.518299]  ? kvm_sched_clock_read+0x9/0x20
[  303.522717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.528284]  ? check_preemption_disabled+0x48/0x280
[  303.533327]  irq_exit+0x17f/0x1c0
[  303.536794]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.541650]  ? smp_reschedule_interrupt+0x109/0x650
[  303.546677]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.552570]  ? interrupt_entry+0xb5/0xc0
[  303.556644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.561670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.566699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.571555]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.576578]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.581618]  ? task_prio+0x50/0x50
[  303.585169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.590721]  ? check_preemption_disabled+0x48/0x280
[  303.595751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.600616]  apic_timer_interrupt+0xf/0x20
[  303.604855]  </IRQ>
[  303.607103] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  303.612043] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  303.630952] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.638669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  303.645944] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  303.653221] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  303.660514] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  303.667799] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  303.675119]  skb_clone+0x1bb/0x500
[  303.678671]  ? finish_task_switch+0x1b4/0x910
[  303.683175]  ? skb_split+0x11e0/0x11e0
[  303.687078]  ? preempt_notifier_register+0x200/0x200
[  303.692187]  ? __switch_to_asm+0x34/0x70
[  303.696276]  ? __switch_to_asm+0x34/0x70
[  303.700350]  ? __switch_to_asm+0x40/0x70
[  303.704419]  ? __switch_to_asm+0x34/0x70
[  303.708486]  ? __switch_to_asm+0x40/0x70
[  303.712553]  ? __switch_to_asm+0x34/0x70
[  303.716618]  ? __switch_to_asm+0x40/0x70
[  303.720686]  ? __switch_to_asm+0x34/0x70
[  303.724757]  ? __switch_to_asm+0x34/0x70
[  303.728831]  ? __switch_to_asm+0x40/0x70
[  303.732896]  ? __switch_to_asm+0x34/0x70
[  303.736974]  bpf_clone_redirect+0xb9/0x490
[  303.741220]  ? __schedule+0x8d7/0x21d0
[  303.745140]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  303.750172]  ? __sched_text_start+0x8/0x8
[  303.754331]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.759099]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  303.763689]  ? retint_kernel+0x2d/0x2d
[  303.767588]  ? find_held_lock+0x36/0x1c0
[  303.771667]  ? lock_acquire+0x1ed/0x520
[  303.775650]  ? bpf_test_run+0x3ee/0x7a0
[  303.779641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.785189]  ? check_preemption_disabled+0x48/0x280
[  303.790223]  ? kasan_check_read+0x11/0x20
[  303.794400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.799945]  ? rcu_softirq_qs+0x20/0x20
[  303.803933]  ? preempt_schedule+0x4d/0x60
[  303.808094]  ? ___preempt_schedule+0x16/0x18
[  303.812518]  ? bpf_test_run+0x271/0x7a0
[  303.816521]  ? netlink_diag_dump+0x2a0/0x2a0
[  303.820939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.826488]  ? bpf_test_init.isra.10+0x70/0x100
[  303.831175]  ? bpf_prog_test_run_skb+0x762/0xd60
[  303.835954]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  303.840812]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.846362]  ? fput+0x130/0x1a0
[  303.849650]  ? __bpf_prog_get+0x9b/0x290
[  303.853725]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  303.858575]  ? bpf_prog_test_run+0x130/0x1a0
[  303.862997]  ? __x64_sys_bpf+0x3d8/0x520
[  303.867065]  ? bpf_prog_get+0x20/0x20
[  303.870888]  ? do_syscall_64+0x1e1/0x820
[  303.874965]  ? do_syscall_64+0x1b9/0x820
[  303.879036]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  303.884409]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.889347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.894205]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.899236]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.904304]  ? prepare_exit_to_usermode+0x291/0x3b0
[  303.909341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.914213]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.919622] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  303.919747] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.926133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.936663] syz-executor5 cpuset=syz5 mems_allowed=0
[  303.946011] Call Trace:
[  303.953690]  <IRQ>
[  303.955855]  dump_stack+0x244/0x39d
[  303.959496]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.964710]  warn_alloc.cold.116+0xb7/0x1bd
[  303.969042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.973904]  ? lock_downgrade+0x900/0x900
[  303.978075]  ? trace_hardirqs_off+0xb8/0x310
[  303.982498]  ? trace_hardirqs_off+0xb8/0x310
[  303.986928]  __alloc_pages_slowpath+0x2651/0x2de0
[  303.991808]  ? warn_alloc+0x120/0x120
[  303.995622]  ? print_usage_bug+0xc0/0xc0
[  303.999697]  ? warn_alloc+0x120/0x120
[  304.003510]  ? warn_alloc+0x120/0x120
[  304.007323]  ? print_usage_bug+0xc0/0xc0
[  304.011395]  ? kvm_clock_read+0x18/0x30
[  304.015379]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  304.020410]  ? print_usage_bug+0xc0/0xc0
[  304.024485]  ? __lock_acquire+0x62f/0x4c20
[  304.028734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.034300]  ? should_fail+0x22d/0xd01
[  304.038198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.043486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.048603]  ? __lock_acquire+0x62f/0x4c20
[  304.052853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.057967]  ? __lock_acquire+0x62f/0x4c20
[  304.062214]  ? should_fail+0x22d/0xd01
[  304.066129]  ? rcu_irq_exit+0x1a2/0x390
[  304.070124]  ? mark_held_locks+0x130/0x130
[  304.074373]  ? mark_held_locks+0x130/0x130
[  304.078621]  ? mark_held_locks+0xc7/0x130
[  304.082780]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  304.087804]  ? zap_class+0x640/0x640
[  304.091526]  ? print_usage_bug+0xc0/0xc0
[  304.095601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.101149]  ? check_preemption_disabled+0x48/0x280
[  304.106186]  ? __lock_is_held+0xb5/0x140
[  304.110287]  __alloc_pages_nodemask+0xad8/0xea0
[  304.114965]  ? zap_class+0x640/0x640
[  304.118692]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  304.123741]  ? find_held_lock+0x36/0x1c0
[  304.127825]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.132505]  ? lock_downgrade+0x900/0x900
[  304.136668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.142223]  cache_grow_begin+0xa5/0x8c0
[  304.146317]  ? do_raw_spin_unlock+0xa7/0x330
[  304.150742]  fallback_alloc+0x204/0x2e0
[  304.154735]  ____cache_alloc_node+0x1c7/0x1e0
[  304.159264]  kmem_cache_alloc_node+0xe3/0x730
[  304.163776]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.168029]  __alloc_skb+0x119/0x770
[  304.171750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.177041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.181462]  ? lock_downgrade+0x900/0x900
[  304.185626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.191177]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.196643]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.202105]  ? addrconf_rs_timer+0x690/0x690
[  304.206535]  ndisc_alloc_skb+0x144/0x340
[  304.210610]  ndisc_send_rs+0x331/0x6e0
[  304.214515]  addrconf_rs_timer+0x314/0x690
[  304.218768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.223022]  call_timer_fn+0x272/0x920
[  304.226918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.231162]  ? process_timeout+0x40/0x40
[  304.235240]  ? mark_held_locks+0xc7/0x130
[  304.239426]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.243928]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.248432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.252677]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.257296]  ? trace_hardirqs_on+0xbd/0x310
[  304.261628]  ? kasan_check_read+0x11/0x20
[  304.265784]  ? __run_timers+0x7da/0xc70
[  304.269863]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.274980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.279230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.283502]  __run_timers+0x7e5/0xc70
[  304.287333]  ? timer_fixup_init+0x70/0x70
[  304.291695]  ? kasan_check_read+0x11/0x20
[  304.295855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.301142]  ? rcu_softirq_qs+0x20/0x20
[  304.305131]  ? mark_held_locks+0xc7/0x130
[  304.309305]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.314075]  ? retint_kernel+0x2d/0x2d
[  304.317973]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.322911]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.327679]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.333139]  ? zap_class+0x640/0x640
[  304.336868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.342422]  ? check_preemption_disabled+0x48/0x280
[  304.347459]  ? __lock_is_held+0xb5/0x140
[  304.351621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.357168]  ? check_preemption_disabled+0x48/0x280
[  304.362315]  run_timer_softirq+0x52/0xb0
[  304.366977]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.372009]  __do_softirq+0x308/0xb7e
[  304.375822]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  304.380328]  ? lock_downgrade+0x900/0x900
[  304.384495]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.389616]  ? pvclock_read_flags+0x160/0x160
[  304.394123]  ? lapic_next_event+0x5a/0x90
[  304.398309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.403861]  ? kvm_clock_read+0x18/0x30
[  304.407848]  ? kvm_sched_clock_read+0x9/0x20
[  304.412300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.417852]  ? check_preemption_disabled+0x48/0x280
[  304.422892]  irq_exit+0x17f/0x1c0
[  304.426357]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.431205]  ? smp_reschedule_interrupt+0x109/0x650
[  304.436233]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.442149]  ? interrupt_entry+0xb5/0xc0
[  304.446223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.451294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.456325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.461181]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.466206]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.471232]  ? task_prio+0x50/0x50
[  304.474808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.480362]  ? check_preemption_disabled+0x48/0x280
[  304.485394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.490278]  apic_timer_interrupt+0xf/0x20
[  304.494516]  </IRQ>
[  304.497012] RIP: 0010:dump_stack+0x358/0x39d
[  304.501431] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  304.520353] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  304.528072] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  304.535358] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  304.542633] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  304.549910] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  304.557185] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  304.564481]  ? dump_stack+0x34f/0x39d
[  304.568328]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.573530]  ? mark_held_locks+0x130/0x130
[  304.577773]  ? mark_held_locks+0x130/0x130
[  304.582023]  dump_header+0x27b/0xf72
[  304.585761]  ? pagefault_out_of_memory+0x197/0x197
[  304.590711]  ? __lock_acquire+0x62f/0x4c20
[  304.594956]  ? percpu_ref_get_many+0x240/0x240
[  304.599552]  ? print_usage_bug+0xc0/0xc0
[  304.603627]  ? zap_class+0x640/0x640
[  304.607356]  ? print_usage_bug+0xc0/0xc0
[  304.611426]  ? print_usage_bug+0xc0/0xc0
[  304.615498]  ? zap_class+0x640/0x640
[  304.619229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.624804]  ? find_held_lock+0x36/0x1c0
[  304.628912]  ? mark_held_locks+0xc7/0x130
[  304.633075]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.638187]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.643312]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.647906]  ? trace_hardirqs_on+0xbd/0x310
[  304.652233]  ? kasan_check_read+0x11/0x20
[  304.656415]  ? ___ratelimit+0x3b4/0x672
[  304.660400]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.665513]  ? trace_hardirqs_on+0x310/0x310
[  304.669932]  ? lock_downgrade+0x900/0x900
[  304.674098]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.679387]  ? ___ratelimit+0x3b9/0x672
[  304.683550]  ? idr_get_free+0xf70/0xf70
[  304.687534]  ? find_held_lock+0x36/0x1c0
[  304.691616]  oom_kill_process.cold.27+0x10/0x903
[  304.696380]  ? zap_class+0x640/0x640
[  304.700108]  ? check_preemption_disabled+0x48/0x280
[  304.705136]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.710073]  ? kasan_check_read+0x11/0x20
[  304.714229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.719542]  ? oom_evaluate_task+0x540/0x540
[  304.723964]  ? find_held_lock+0x36/0x1c0
[  304.728043]  ? out_of_memory+0x974/0x1430
[  304.732200]  ? lock_downgrade+0x900/0x900
[  304.736358]  ? check_preemption_disabled+0x48/0x280
[  304.741391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.746330]  ? kasan_check_read+0x11/0x20
[  304.750488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.755776]  ? rcu_softirq_qs+0x20/0x20
[  304.759766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.765315]  ? oom_evaluate_task+0x302/0x540
[  304.769739]  out_of_memory+0xa84/0x1430
[  304.773732]  ? oom_killer_disable+0x3a0/0x3a0
[  304.778238]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  304.783207]  ? __ww_mutex_check_waiters+0x160/0x160
[  304.788272]  __alloc_pages_slowpath+0x232c/0x2de0
[  304.793154]  ? warn_alloc+0x120/0x120
[  304.796966]  ? mark_held_locks+0x130/0x130
[  304.801214]  ? find_get_entry+0xaae/0x1120
[  304.805485]  ? filemap_map_pages+0x1a20/0x1a20
[  304.810082]  ? zap_class+0x640/0x640
[  304.813813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.819363]  ? check_preemption_disabled+0x48/0x280
[  304.824391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.829937]  ? should_fail+0x22d/0xd01
[  304.833838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.838952]  ? zap_class+0x640/0x640
[  304.842702]  ? __lock_is_held+0xb5/0x140
[  304.846837]  ? mark_held_locks+0x130/0x130
[  304.851084]  ? lock_release+0xa00/0xa00
[  304.855069]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.860532]  ? xa_load+0x2ba/0x460
[  304.864086]  ? lock_downgrade+0x900/0x900
[  304.868267]  ? __might_sleep+0x95/0x190
[  304.872287]  __alloc_pages_nodemask+0xad8/0xea0
[  304.876972]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  304.881997]  ? __page_cache_alloc+0x191/0x5c0
[  304.886499]  ? xa_load+0x2e1/0x460
[  304.890053]  ? xa_clear_mark+0x40/0x40
[  304.893952]  ? zap_class+0x640/0x640
[  304.897685]  ? zap_class+0x640/0x640
[  304.901405]  ? zap_class+0x640/0x640
[  304.905131]  ? __do_page_cache_readahead+0x663/0x810
[  304.910275]  ? find_held_lock+0x36/0x1c0
[  304.914357]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  304.919914]  alloc_pages_current+0x173/0x350
[  304.924338]  __page_cache_alloc+0x38c/0x5c0
[  304.928681]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.933644]  ? kasan_check_read+0x11/0x20
[  304.937805]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.943092]  ? generic_perform_write+0x6a0/0x6a0
[  304.947875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.953438]  ? check_preemption_disabled+0x48/0x280
[  304.958471]  filemap_fault+0x1595/0x25f0
[  304.962552]  ? __lock_page_or_retry+0xa00/0xa00
[  304.967239]  ? mark_held_locks+0x130/0x130
[  304.971520]  ? filemap_map_pages+0xd6b/0x1a20
[  304.976028]  ? lock_downgrade+0x900/0x900
[  304.980187]  ? check_preemption_disabled+0x48/0x280
[  304.985216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.990171]  ? kasan_check_read+0x11/0x20
[  304.994328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.999617]  ? rcu_softirq_qs+0x20/0x20
[  305.003613]  ? filemap_map_pages+0xd92/0x1a20
[  305.008138]  ? find_get_entries_tag+0x1400/0x1400
[  305.013013]  ? lock_acquire+0x1ed/0x520
[  305.016997]  ? ext4_filemap_fault+0x7a/0xad
[  305.021334]  ? lock_release+0xa00/0xa00
[  305.025322]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.030776]  ? mark_held_locks+0x130/0x130
[  305.035022]  ? print_usage_bug+0xc0/0xc0
[  305.039094]  ? print_usage_bug+0xc0/0xc0
[  305.043176]  ? down_read+0x8d/0x120
[  305.046813]  ? ext4_filemap_fault+0x7a/0xad
[  305.051145]  ? __down_interruptible+0x700/0x700
[  305.055831]  ext4_filemap_fault+0x82/0xad
[  305.059992]  __do_fault+0x100/0x6b0
[  305.063635]  ? pmd_devmap_trans_unstable+0x220/0x220
[  305.068775]  ? mark_held_locks+0x130/0x130
[  305.073017]  ? mark_held_locks+0x130/0x130
[  305.077293]  ? hrtimer_forward+0x2a0/0x2a0
[  305.081536]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  305.086395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.091951]  __handle_mm_fault+0x3ea6/0x5be0
[  305.096380]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  305.101231]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.106364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.111524]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.116123]  ? trace_hardirqs_on+0xbd/0x310
[  305.120456]  ? kasan_check_read+0x11/0x20
[  305.124613]  ? __free_object+0x173/0x340
[  305.128692]  ? zap_class+0x640/0x640
[  305.132415]  ? zap_class+0x640/0x640
[  305.136135]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.141275]  ? find_held_lock+0x36/0x1c0
[  305.145358]  ? handle_mm_fault+0x42a/0xc70
[  305.149604]  ? lock_downgrade+0x900/0x900
[  305.153765]  ? check_preemption_disabled+0x48/0x280
[  305.158795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.163735]  ? kasan_check_read+0x11/0x20
[  305.167893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.173182]  ? rcu_softirq_qs+0x20/0x20
[  305.177168]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.182299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.187851]  ? check_preemption_disabled+0x48/0x280
[  305.192884]  handle_mm_fault+0x54f/0xc70
[  305.196961]  ? __handle_mm_fault+0x5be0/0x5be0
[  305.201561]  ? find_vma+0x34/0x190
[  305.205117]  __do_page_fault+0x5e8/0xe60
[  305.209187]  ? trace_hardirqs_off+0xb8/0x310
[  305.213675]  do_page_fault+0xf2/0x7e0
[  305.217507]  ? vmalloc_sync_all+0x30/0x30
[  305.221666]  ? error_entry+0x70/0xd0
[  305.225396]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.230427]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.235394]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.240439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.245306]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.250335]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.255796]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.260825]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.265899]  ? page_fault+0x8/0x30
[  305.269453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.274317]  ? page_fault+0x8/0x30
[  305.277867]  page_fault+0x1e/0x30
[  305.281329] RIP: 0033:0x7f4afc2d3e40
[  305.285061] Code: Bad RIP value.
[  305.288431] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  305.293801] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  305.301087] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  305.308363] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  305.315642] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  305.322920] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  305.330227] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  305.330233] warn_alloc_show_mem: 1 callbacks suppressed
[  305.330240] Mem-Info:
[  305.337620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.337629] Call Trace:
[  305.343013] active_anon:57379 inactive_anon:189 isolated_anon:0
[  305.343013]  active_file:13 inactive_file:16 isolated_file:0
[  305.343013]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.343013]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  305.343013]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  305.343013]  free:13771 free_pcp:208 free_cma:0
[  305.345416]  <IRQ>
[  305.354787] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.357390]  dump_stack+0x244/0x39d
[  305.390265] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.392424]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.419915] lowmem_reserve[]: 0 2818 6321 6321
[  305.423556]  warn_alloc.cold.116+0xb7/0x1bd
[  305.449646] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.454844]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.459415] lowmem_reserve[]: 0 0 3503 3503
[  305.463795]  ? lock_downgrade+0x900/0x900
[  305.491354] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  305.496202]  ? trace_hardirqs_off+0xb8/0x310
[  305.500506] lowmem_reserve[]: 0 0 0 0
[  305.504669]  ? trace_hardirqs_off+0xb8/0x310
[  305.533544] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  305.537964]  __alloc_pages_slowpath+0x2651/0x2de0
[  305.541748] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  305.546209]  ? warn_alloc+0x120/0x120
[  305.559701] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  305.564547]  ? warn_alloc+0x120/0x120
[  305.579975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.583777]  ? warn_alloc+0x120/0x120
[  305.598333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.602131]  ? print_usage_bug+0xc0/0xc0
[  305.610957] 273 total pagecache pages
[  305.614765]  ? enqueue_hrtimer+0x1a5/0x560
[  305.623339] 0 pages in swap cache
[  305.627395]  ? print_usage_bug+0xc0/0xc0
[  305.631186] Swap cache stats: add 0, delete 0, find 0/0
[  305.635422]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.638860] Free swap  = 0kB
[  305.642927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.648297] Total swap = 0kB
[  305.653488]  ? should_fail+0x22d/0xd01
[  305.656493] 1965979 pages RAM
[  305.662041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.665047] 0 pages HighMem/MovableOnly
[  305.668938]  ? __lock_acquire+0x62f/0x4c20
[  305.672035] 342853 pages reserved
[  305.677141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.681108] 0 pages cma reserved
[  305.685347]  ? __lock_acquire+0x62f/0x4c20
[  305.688857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.693883]  ? should_fail+0x22d/0xd01
[  305.693907]  ? mark_held_locks+0x130/0x130
[  305.697366] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.701520]  ? mark_held_locks+0x130/0x130
[  305.708087] cron cpuset=/ mems_allowed=0
[  305.711981]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.739189]  ? ktime_get+0x2c1/0x400
[  305.742919]  ? zap_class+0x640/0x640
[  305.746644]  ? print_usage_bug+0xc0/0xc0
[  305.750733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.756296]  ? check_preemption_disabled+0x48/0x280
[  305.761333]  ? __lock_is_held+0xb5/0x140
[  305.765412]  __alloc_pages_nodemask+0xad8/0xea0
[  305.770096]  ? zap_class+0x640/0x640
[  305.773826]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  305.778866]  ? find_held_lock+0x36/0x1c0
[  305.782949]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.787631]  ? lock_downgrade+0x900/0x900
[  305.791919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.797477]  cache_grow_begin+0xa5/0x8c0
[  305.801547]  ? do_raw_spin_unlock+0xa7/0x330
[  305.805972]  fallback_alloc+0x204/0x2e0
[  305.809963]  ____cache_alloc_node+0x1c7/0x1e0
[  305.814474]  kmem_cache_alloc_node+0xe3/0x730
[  305.818983]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.823237]  __alloc_skb+0x119/0x770
[  305.826981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.832290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  305.836714]  ? lock_downgrade+0x900/0x900
[  305.840881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.846433]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.851902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.857412]  ? addrconf_rs_timer+0x690/0x690
[  305.861843]  ndisc_alloc_skb+0x144/0x340
[  305.865919]  ndisc_send_rs+0x331/0x6e0
[  305.869822]  addrconf_rs_timer+0x314/0x690
[  305.874069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.878329]  call_timer_fn+0x272/0x920
[  305.882242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.886509]  ? process_timeout+0x40/0x40
[  305.890585]  ? __run_timers+0x7da/0xc70
[  305.894572]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.899077]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.903579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.907822]  ? lockdep_hardirqs_on+0x296/0x5b0
[  305.912418]  ? trace_hardirqs_on+0xbd/0x310
[  305.916748]  ? kasan_check_read+0x11/0x20
[  305.920911]  ? __run_timers+0x7da/0xc70
[  305.924896]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.930020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.934279]  __run_timers+0x7e5/0xc70
[  305.938104]  ? timer_fixup_init+0x70/0x70
[  305.942285]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.947317]  ? zap_class+0x640/0x640
[  305.951048]  ? enqueue_hrtimer+0x1a5/0x560
[  305.955305]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.960511]  ? find_held_lock+0x36/0x1c0
[  305.964587]  ? zap_class+0x640/0x640
[  305.968319]  ? pvclock_read_flags+0x160/0x160
[  305.972827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.978375]  ? check_preemption_disabled+0x48/0x280
[  305.983411]  ? __lock_is_held+0xb5/0x140
[  305.987483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.993029]  ? check_preemption_disabled+0x48/0x280
[  305.998057]  run_timer_softirq+0x52/0xb0
[  306.002126]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.007156]  __do_softirq+0x308/0xb7e
[  306.010968]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.015472]  ? lock_downgrade+0x900/0x900
[  306.019638]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.024761]  ? pvclock_read_flags+0x160/0x160
[  306.029290]  ? lapic_next_event+0x5a/0x90
[  306.033451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.039002]  ? kvm_clock_read+0x18/0x30
[  306.042990]  ? kvm_sched_clock_read+0x9/0x20
[  306.047412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.052957]  ? check_preemption_disabled+0x48/0x280
[  306.057996]  irq_exit+0x17f/0x1c0
[  306.061460]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.066314]  ? smp_reschedule_interrupt+0x109/0x650
[  306.071339]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.077234]  ? interrupt_entry+0xb5/0xc0
[  306.081332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.086356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.091381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.096232]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.101291]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.106320]  ? task_prio+0x50/0x50
[  306.109868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.115416]  ? check_preemption_disabled+0x48/0x280
[  306.120446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.125309]  apic_timer_interrupt+0xf/0x20
[  306.129547]  </IRQ>
[  306.131799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.136737] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  306.155648] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.163363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.170636] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  306.177924] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  306.185212] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.192496] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  306.199815]  skb_clone+0x1bb/0x500
[  306.203366]  ? finish_task_switch+0x1b4/0x910
[  306.207875]  ? skb_split+0x11e0/0x11e0
[  306.211778]  ? preempt_notifier_register+0x200/0x200
[  306.216888]  ? __switch_to_asm+0x34/0x70
[  306.220960]  ? __switch_to_asm+0x34/0x70
[  306.225027]  ? __switch_to_asm+0x40/0x70
[  306.229093]  ? __switch_to_asm+0x34/0x70
[  306.233161]  ? __switch_to_asm+0x40/0x70
[  306.237232]  ? __switch_to_asm+0x34/0x70
[  306.241320]  ? __switch_to_asm+0x40/0x70
[  306.245391]  ? __switch_to_asm+0x34/0x70
[  306.249461]  ? __switch_to_asm+0x34/0x70
[  306.253533]  ? __switch_to_asm+0x40/0x70
[  306.257599]  ? __switch_to_asm+0x34/0x70
[  306.261673]  bpf_clone_redirect+0xb9/0x490
[  306.265916]  ? __schedule+0x8d7/0x21d0
[  306.269831]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  306.274877]  ? __sched_text_start+0x8/0x8
[  306.279039]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.283806]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.288393]  ? retint_kernel+0x2d/0x2d
[  306.292310]  ? find_held_lock+0x36/0x1c0
[  306.296387]  ? lock_acquire+0x1ed/0x520
[  306.300371]  ? bpf_test_run+0x3ee/0x7a0
[  306.304359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.309904]  ? check_preemption_disabled+0x48/0x280
[  306.314939]  ? kasan_check_read+0x11/0x20
[  306.319094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.324378]  ? rcu_softirq_qs+0x20/0x20
[  306.328362]  ? preempt_schedule+0x4d/0x60
[  306.332519]  ? ___preempt_schedule+0x16/0x18
[  306.336947]  ? bpf_test_run+0x271/0x7a0
[  306.340948]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.345376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.350920]  ? bpf_test_init.isra.10+0x70/0x100
[  306.355605]  ? bpf_prog_test_run_skb+0x762/0xd60
[  306.360382]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.365507]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.371059]  ? fput+0x130/0x1a0
[  306.374353]  ? __bpf_prog_get+0x9b/0x290
[  306.378426]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.383298]  ? bpf_prog_test_run+0x130/0x1a0
[  306.387721]  ? __x64_sys_bpf+0x3d8/0x520
[  306.391794]  ? bpf_prog_get+0x20/0x20
[  306.395620]  ? do_syscall_64+0x1e1/0x820
[  306.399697]  ? do_syscall_64+0x1b9/0x820
[  306.403763]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.409146]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.414087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.418943]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.423968]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.428995]  ? prepare_exit_to_usermode+0x291/0x3b0
[  306.434132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.438996]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.444391] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  306.444462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.450893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.450899] Call Trace:
[  306.450905]  <IRQ>
[  306.450922]  dump_stack+0x244/0x39d
[  306.450943]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.457513] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.466793]  warn_alloc.cold.116+0xb7/0x1bd
[  306.469366] syz-executor5 cpuset=syz5 mems_allowed=0
[  306.471524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.505201]  ? lock_downgrade+0x900/0x900
[  306.509368]  ? trace_hardirqs_off+0xb8/0x310
[  306.513793]  ? trace_hardirqs_off+0xb8/0x310
[  306.518220]  __alloc_pages_slowpath+0x2651/0x2de0
[  306.523121]  ? warn_alloc+0x120/0x120
[  306.526937]  ? print_usage_bug+0xc0/0xc0
[  306.531008]  ? warn_alloc+0x120/0x120
[  306.534821]  ? warn_alloc+0x120/0x120
[  306.538636]  ? print_usage_bug+0xc0/0xc0
[  306.542706]  ? kvm_clock_read+0x18/0x30
[  306.546694]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  306.551724]  ? print_usage_bug+0xc0/0xc0
[  306.555796]  ? __lock_acquire+0x62f/0x4c20
[  306.560048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.565591]  ? should_fail+0x22d/0xd01
[  306.569486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.574779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.579910]  ? __lock_acquire+0x62f/0x4c20
[  306.584158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.589290]  ? __lock_acquire+0x62f/0x4c20
[  306.593535]  ? should_fail+0x22d/0xd01
[  306.597427]  ? rcu_irq_exit+0x1a2/0x390
[  306.601420]  ? mark_held_locks+0x130/0x130
[  306.605667]  ? mark_held_locks+0x130/0x130
[  306.609918]  ? mark_held_locks+0xc7/0x130
[  306.614075]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  306.619099]  ? zap_class+0x640/0x640
[  306.622826]  ? print_usage_bug+0xc0/0xc0
[  306.626906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.632459]  ? check_preemption_disabled+0x48/0x280
[  306.637493]  ? __lock_is_held+0xb5/0x140
[  306.641573]  __alloc_pages_nodemask+0xad8/0xea0
[  306.646273]  ? zap_class+0x640/0x640
[  306.650002]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  306.655042]  ? find_held_lock+0x36/0x1c0
[  306.659122]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.663801]  ? lock_downgrade+0x900/0x900
[  306.667967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.673518]  cache_grow_begin+0xa5/0x8c0
[  306.677587]  ? do_raw_spin_unlock+0xa7/0x330
[  306.682013]  fallback_alloc+0x204/0x2e0
[  306.686004]  ____cache_alloc_node+0x1c7/0x1e0
[  306.690518]  kmem_cache_alloc_node+0xe3/0x730
[  306.695027]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.699306]  __alloc_skb+0x119/0x770
[  306.703029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.708322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.712737]  ? lock_downgrade+0x900/0x900
[  306.716904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.722461]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.727925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.733387]  ? addrconf_rs_timer+0x690/0x690
[  306.737816]  ndisc_alloc_skb+0x144/0x340
[  306.741890]  ndisc_send_rs+0x331/0x6e0
[  306.745794]  addrconf_rs_timer+0x314/0x690
[  306.750047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.754330]  call_timer_fn+0x272/0x920
[  306.758226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.762492]  ? process_timeout+0x40/0x40
[  306.766570]  ? mark_held_locks+0xc7/0x130
[  306.770729]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.775235]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.779758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.784002]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.788599]  ? trace_hardirqs_on+0xbd/0x310
[  306.792929]  ? kasan_check_read+0x11/0x20
[  306.797083]  ? __run_timers+0x7da/0xc70
[  306.801066]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.806180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.810435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.814677]  __run_timers+0x7e5/0xc70
[  306.818496]  ? timer_fixup_init+0x70/0x70
[  306.822656]  ? kasan_check_read+0x11/0x20
[  306.826816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.832101]  ? rcu_softirq_qs+0x20/0x20
[  306.836092]  ? mark_held_locks+0xc7/0x130
[  306.840275]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.845045]  ? retint_kernel+0x2d/0x2d
[  306.848945]  ? trace_hardirqs_on_caller+0xc0/0x310
[  306.853884]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.858653]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.864113]  ? zap_class+0x640/0x640
[  306.867846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.873397]  ? check_preemption_disabled+0x48/0x280
[  306.878436]  ? __lock_is_held+0xb5/0x140
[  306.882509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.888058]  ? check_preemption_disabled+0x48/0x280
[  306.893090]  run_timer_softirq+0x52/0xb0
[  306.897158]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.902187]  __do_softirq+0x308/0xb7e
[  306.906001]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.910504]  ? lock_downgrade+0x900/0x900
[  306.914667]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.919789]  ? pvclock_read_flags+0x160/0x160
[  306.924308]  ? lapic_next_event+0x5a/0x90
[  306.928471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.934024]  ? kvm_clock_read+0x18/0x30
[  306.938011]  ? kvm_sched_clock_read+0x9/0x20
[  306.942429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.947979]  ? check_preemption_disabled+0x48/0x280
[  306.953011]  irq_exit+0x17f/0x1c0
[  306.956473]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.961324]  ? smp_reschedule_interrupt+0x109/0x650
[  306.966353]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.972268]  ? interrupt_entry+0xb5/0xc0
[  306.976354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.981380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.986406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.991283]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.996314]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.001338]  ? task_prio+0x50/0x50
[  307.004891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.010439]  ? check_preemption_disabled+0x48/0x280
[  307.015468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.020332]  apic_timer_interrupt+0xf/0x20
[  307.024576]  </IRQ>
[  307.026823] RIP: 0010:dump_stack+0x358/0x39d
[  307.031245] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  307.050180] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  307.057896] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  307.065175] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  307.072501] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  307.079780] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  307.087055] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  307.094354]  ? dump_stack+0x34f/0x39d
[  307.098225]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.103448]  ? mark_held_locks+0x130/0x130
[  307.107691]  ? mark_held_locks+0x130/0x130
[  307.111937]  dump_header+0x27b/0xf72
[  307.115673]  ? pagefault_out_of_memory+0x197/0x197
[  307.120617]  ? __lock_acquire+0x62f/0x4c20
[  307.124861]  ? percpu_ref_get_many+0x240/0x240
[  307.129453]  ? print_usage_bug+0xc0/0xc0
[  307.133533]  ? zap_class+0x640/0x640
[  307.137282]  ? print_usage_bug+0xc0/0xc0
[  307.141358]  ? print_usage_bug+0xc0/0xc0
[  307.145435]  ? zap_class+0x640/0x640
[  307.149161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.154710]  ? find_held_lock+0x36/0x1c0
[  307.158791]  ? mark_held_locks+0xc7/0x130
[  307.162949]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.168060]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.173174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.177770]  ? trace_hardirqs_on+0xbd/0x310
[  307.182103]  ? kasan_check_read+0x11/0x20
[  307.186286]  ? ___ratelimit+0x3b4/0x672
[  307.190310]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.195429]  ? trace_hardirqs_on+0x310/0x310
[  307.199851]  ? lock_downgrade+0x900/0x900
[  307.204012]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.209126]  ? ___ratelimit+0x3b9/0x672
[  307.213110]  ? idr_get_free+0xf70/0xf70
[  307.217095]  ? find_held_lock+0x36/0x1c0
[  307.221175]  oom_kill_process.cold.27+0x10/0x903
[  307.225938]  ? zap_class+0x640/0x640
[  307.229662]  ? check_preemption_disabled+0x48/0x280
[  307.234686]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.239617]  ? kasan_check_read+0x11/0x20
[  307.243768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.249045]  ? oom_evaluate_task+0x540/0x540
[  307.253455]  ? find_held_lock+0x36/0x1c0
[  307.257522]  ? out_of_memory+0x974/0x1430
[  307.261708]  ? lock_downgrade+0x900/0x900
[  307.265856]  ? check_preemption_disabled+0x48/0x280
[  307.270877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.275804]  ? kasan_check_read+0x11/0x20
[  307.279951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.285228]  ? rcu_softirq_qs+0x20/0x20
[  307.289220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.294768]  ? oom_evaluate_task+0x302/0x540
[  307.299178]  out_of_memory+0xa84/0x1430
[  307.303161]  ? oom_killer_disable+0x3a0/0x3a0
[  307.307663]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  307.312600]  ? __ww_mutex_check_waiters+0x160/0x160
[  307.317629]  __alloc_pages_slowpath+0x232c/0x2de0
[  307.322506]  ? warn_alloc+0x120/0x120
[  307.326304]  ? mark_held_locks+0x130/0x130
[  307.330544]  ? find_get_entry+0xaae/0x1120
[  307.334790]  ? filemap_map_pages+0x1a20/0x1a20
[  307.339377]  ? zap_class+0x640/0x640
[  307.343098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.348637]  ? check_preemption_disabled+0x48/0x280
[  307.353653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.359188]  ? should_fail+0x22d/0xd01
[  307.363083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.368650]  ? zap_class+0x640/0x640
[  307.372389]  ? __lock_is_held+0xb5/0x140
[  307.376471]  ? mark_held_locks+0x130/0x130
[  307.380722]  ? lock_release+0xa00/0xa00
[  307.384696]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.390147]  ? xa_load+0x2ba/0x460
[  307.393686]  ? lock_downgrade+0x900/0x900
[  307.397835]  ? __might_sleep+0x95/0x190
[  307.401833]  __alloc_pages_nodemask+0xad8/0xea0
[  307.406507]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  307.411526]  ? __page_cache_alloc+0x191/0x5c0
[  307.416017]  ? xa_load+0x2e1/0x460
[  307.419557]  ? xa_clear_mark+0x40/0x40
[  307.423443]  ? zap_class+0x640/0x640
[  307.427165]  ? zap_class+0x640/0x640
[  307.430876]  ? zap_class+0x640/0x640
[  307.434589]  ? __do_page_cache_readahead+0x663/0x810
[  307.439699]  ? find_held_lock+0x36/0x1c0
[  307.443783]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  307.449328]  alloc_pages_current+0x173/0x350
[  307.453743]  __page_cache_alloc+0x38c/0x5c0
[  307.458063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.462989]  ? kasan_check_read+0x11/0x20
[  307.467133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.472414]  ? generic_perform_write+0x6a0/0x6a0
[  307.477169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.482711]  ? check_preemption_disabled+0x48/0x280
[  307.487737]  filemap_fault+0x1595/0x25f0
[  307.491812]  ? __lock_page_or_retry+0xa00/0xa00
[  307.496481]  ? mark_held_locks+0x130/0x130
[  307.500725]  ? filemap_map_pages+0xd6b/0x1a20
[  307.505230]  ? lock_downgrade+0x900/0x900
[  307.509392]  ? check_preemption_disabled+0x48/0x280
[  307.514412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.519338]  ? kasan_check_read+0x11/0x20
[  307.523484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.528757]  ? rcu_softirq_qs+0x20/0x20
[  307.532745]  ? filemap_map_pages+0xd92/0x1a20
[  307.537319]  ? find_get_entries_tag+0x1400/0x1400
[  307.542181]  ? lock_acquire+0x1ed/0x520
[  307.546186]  ? ext4_filemap_fault+0x7a/0xad
[  307.550514]  ? lock_release+0xa00/0xa00
[  307.554489]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.559937]  ? mark_held_locks+0x130/0x130
[  307.564203]  ? print_usage_bug+0xc0/0xc0
[  307.568278]  ? print_usage_bug+0xc0/0xc0
[  307.572351]  ? down_read+0x8d/0x120
[  307.575975]  ? ext4_filemap_fault+0x7a/0xad
[  307.580304]  ? __down_interruptible+0x700/0x700
[  307.584982]  ext4_filemap_fault+0x82/0xad
[  307.589130]  __do_fault+0x100/0x6b0
[  307.592760]  ? pmd_devmap_trans_unstable+0x220/0x220
[  307.597878]  ? mark_held_locks+0x130/0x130
[  307.602111]  ? mark_held_locks+0x130/0x130
[  307.606354]  ? hrtimer_forward+0x2a0/0x2a0
[  307.610585]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  307.615427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.620973]  __handle_mm_fault+0x3ea6/0x5be0
[  307.625395]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  307.630240]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.635359]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.640462]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.645042]  ? trace_hardirqs_on+0xbd/0x310
[  307.649359]  ? kasan_check_read+0x11/0x20
[  307.653505]  ? __free_object+0x173/0x340
[  307.657578]  ? zap_class+0x640/0x640
[  307.661309]  ? zap_class+0x640/0x640
[  307.665034]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.670138]  ? find_held_lock+0x36/0x1c0
[  307.674206]  ? handle_mm_fault+0x42a/0xc70
[  307.678443]  ? lock_downgrade+0x900/0x900
[  307.682603]  ? check_preemption_disabled+0x48/0x280
[  307.687640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.692567]  ? kasan_check_read+0x11/0x20
[  307.696716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.702005]  ? rcu_softirq_qs+0x20/0x20
[  307.706007]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.711111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.716650]  ? check_preemption_disabled+0x48/0x280
[  307.721677]  handle_mm_fault+0x54f/0xc70
[  307.725771]  ? __handle_mm_fault+0x5be0/0x5be0
[  307.730360]  ? find_vma+0x34/0x190
[  307.733908]  __do_page_fault+0x5e8/0xe60
[  307.737967]  ? trace_hardirqs_off+0xb8/0x310
[  307.742387]  do_page_fault+0xf2/0x7e0
[  307.746192]  ? vmalloc_sync_all+0x30/0x30
[  307.750357]  ? error_entry+0x70/0xd0
[  307.754073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.759085]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.764011]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.768937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.773777]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.778790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.784241]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  307.789286]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.794332]  ? page_fault+0x8/0x30
[  307.797918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.802760]  ? page_fault+0x8/0x30
[  307.806306]  page_fault+0x1e/0x30
[  307.809754] RIP: 0033:0x7f4afc2d3e40
[  307.813482] Code: Bad RIP value.
[  307.816845] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  307.822204] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  307.829471] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  307.836739] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  307.844006] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  307.851285] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  307.858570] warn_alloc_show_mem: 1 callbacks suppressed
[  307.858583] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  307.858585] Mem-Info:
[  307.858616] active_anon:57379 inactive_anon:189 isolated_anon:0
[  307.858616]  active_file:13 inactive_file:16 isolated_file:0
[  307.858616]  unevictable:0 dirty:0 writeback:0 unstable:0
[  307.858616]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  307.858616]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  307.858616]  free:13771 free_pcp:208 free_cma:0
[  307.863952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.871321] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  307.873719] Call Trace:
[  307.906598] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.915942]  <IRQ>
[  307.943440] lowmem_reserve[]: 0 2818 6321 6321
[  307.946025]  dump_stack+0x244/0x39d
[  307.972108] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.974266]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.978822] lowmem_reserve[]: 0 0 3503 3503
[  307.982493]  warn_alloc.cold.116+0xb7/0x1bd
[  308.010045] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  308.015227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.019523] lowmem_reserve[]: 0 0 0 0
[  308.023841]  ? lock_downgrade+0x900/0x900
[  308.052700] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  308.057540]  ? trace_hardirqs_off+0xb8/0x310
[  308.061314] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  308.065456]  ? trace_hardirqs_off+0xb8/0x310
[  308.078953] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  308.083357]  __alloc_pages_slowpath+0x2651/0x2de0
[  308.098766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.103189]  ? warn_alloc+0x120/0x120
[  308.117716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.122575]  ? print_usage_bug+0xc0/0xc0
[  308.131387] 273 total pagecache pages
[  308.135176]  ? warn_alloc+0x120/0x120
[  308.143732] 0 pages in swap cache
[  308.147782]  ? warn_alloc+0x120/0x120
[  308.151555] Swap cache stats: add 0, delete 0, find 0/0
[  308.155343]  ? print_usage_bug+0xc0/0xc0
[  308.158771] Free swap  = 0kB
[  308.162572]  ? kvm_clock_read+0x18/0x30
[  308.167907] Total swap = 0kB
[  308.171982]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  308.174973] 1965979 pages RAM
[  308.178944]  ? print_usage_bug+0xc0/0xc0
[  308.181937] 0 pages HighMem/MovableOnly
[  308.186961]  ? __lock_acquire+0x62f/0x4c20
[  308.190042] 342853 pages reserved
[  308.194094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.198045] 0 pages cma reserved
[  308.202287]  ? should_fail+0x22d/0xd01
[  308.205788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.211232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.211258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.214687] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.218498]  ? __lock_acquire+0x62f/0x4c20
[  308.224961] cron cpuset=/ mems_allowed=0
[  308.230233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.258358]  ? __lock_acquire+0x62f/0x4c20
[  308.262604]  ? should_fail+0x22d/0xd01
[  308.266487]  ? rcu_irq_exit+0x1a2/0x390
[  308.270471]  ? mark_held_locks+0x130/0x130
[  308.274709]  ? mark_held_locks+0x130/0x130
[  308.278952]  ? mark_held_locks+0xc7/0x130
[  308.283101]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  308.288117]  ? zap_class+0x640/0x640
[  308.291831]  ? print_usage_bug+0xc0/0xc0
[  308.295900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.301453]  ? check_preemption_disabled+0x48/0x280
[  308.306490]  ? __lock_is_held+0xb5/0x140
[  308.310560]  __alloc_pages_nodemask+0xad8/0xea0
[  308.315233]  ? zap_class+0x640/0x640
[  308.318960]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  308.323988]  ? find_held_lock+0x36/0x1c0
[  308.328058]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.332739]  ? lock_downgrade+0x900/0x900
[  308.336912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.342455]  cache_grow_begin+0xa5/0x8c0
[  308.346518]  ? do_raw_spin_unlock+0xa7/0x330
[  308.350933]  fallback_alloc+0x204/0x2e0
[  308.354913]  ____cache_alloc_node+0x1c7/0x1e0
[  308.359416]  kmem_cache_alloc_node+0xe3/0x730
[  308.364013]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.368263]  __alloc_skb+0x119/0x770
[  308.371978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.377266]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.381675]  ? lock_downgrade+0x900/0x900
[  308.385829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.391368]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.396820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.402276]  ? addrconf_rs_timer+0x690/0x690
[  308.406698]  ndisc_alloc_skb+0x144/0x340
[  308.410796]  ndisc_send_rs+0x331/0x6e0
[  308.414688]  addrconf_rs_timer+0x314/0x690
[  308.418925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.423170]  call_timer_fn+0x272/0x920
[  308.427054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.431346]  ? process_timeout+0x40/0x40
[  308.435414]  ? __run_timers+0x7da/0xc70
[  308.439390]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.443883]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.448374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.452613]  ? lockdep_hardirqs_on+0x296/0x5b0
[  308.457198]  ? trace_hardirqs_on+0xbd/0x310
[  308.461522]  ? kasan_check_read+0x11/0x20
[  308.465668]  ? __run_timers+0x7da/0xc70
[  308.469643]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.474749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.478991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.483223]  __run_timers+0x7e5/0xc70
[  308.487041]  ? timer_fixup_init+0x70/0x70
[  308.491193]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.496721]  ? zap_class+0x640/0x640
[  308.500438]  ? enqueue_hrtimer+0x1a5/0x560
[  308.504678]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.509875]  ? find_held_lock+0x36/0x1c0
[  308.513940]  ? zap_class+0x640/0x640
[  308.517658]  ? pvclock_read_flags+0x160/0x160
[  308.522159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.527696]  ? check_preemption_disabled+0x48/0x280
[  308.532722]  ? __lock_is_held+0xb5/0x140
[  308.536792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.542329]  ? check_preemption_disabled+0x48/0x280
[  308.547356]  run_timer_softirq+0x52/0xb0
[  308.551416]  ? rcu_read_lock_sched_held+0x14f/0x180
[  308.556431]  __do_softirq+0x308/0xb7e
[  308.560276]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  308.564789]  ? lock_downgrade+0x900/0x900
[  308.568940]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  308.574058]  ? pvclock_read_flags+0x160/0x160
[  308.578555]  ? lapic_next_event+0x5a/0x90
[  308.582703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.588243]  ? kvm_clock_read+0x18/0x30
[  308.592224]  ? kvm_sched_clock_read+0x9/0x20
[  308.596638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.602175]  ? check_preemption_disabled+0x48/0x280
[  308.607202]  irq_exit+0x17f/0x1c0
[  308.610654]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.615498]  ? smp_reschedule_interrupt+0x109/0x650
[  308.620516]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.626400]  ? interrupt_entry+0xb5/0xc0
[  308.630466]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.635484]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.640504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.645346]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.650360]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.655376]  ? task_prio+0x50/0x50
[  308.658921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.664459]  ? check_preemption_disabled+0x48/0x280
[  308.669481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.674334]  apic_timer_interrupt+0xf/0x20
[  308.678562]  </IRQ>
[  308.680806] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.685735] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  308.704632] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  308.712337] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  308.719605] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  308.726871] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  308.734139] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  308.741414] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  308.748777]  skb_clone+0x1bb/0x500
[  308.752337]  ? finish_task_switch+0x1b4/0x910
[  308.756838]  ? skb_split+0x11e0/0x11e0
[  308.760746]  ? preempt_notifier_register+0x200/0x200
[  308.765865]  ? __switch_to_asm+0x34/0x70
[  308.769923]  ? __switch_to_asm+0x34/0x70
[  308.773978]  ? __switch_to_asm+0x40/0x70
[  308.778033]  ? __switch_to_asm+0x34/0x70
[  308.782094]  ? __switch_to_asm+0x40/0x70
[  308.786151]  ? __switch_to_asm+0x34/0x70
[  308.790207]  ? __switch_to_asm+0x40/0x70
[  308.794272]  ? __switch_to_asm+0x34/0x70
[  308.798340]  ? __switch_to_asm+0x34/0x70
[  308.802401]  ? __switch_to_asm+0x40/0x70
[  308.806459]  ? __switch_to_asm+0x34/0x70
[  308.810526]  bpf_clone_redirect+0xb9/0x490
[  308.814761]  ? __schedule+0x8d7/0x21d0
[  308.818657]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  308.823673]  ? __sched_text_start+0x8/0x8
[  308.827819]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.832578]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.837157]  ? retint_kernel+0x2d/0x2d
[  308.841047]  ? find_held_lock+0x36/0x1c0
[  308.845117]  ? lock_acquire+0x1ed/0x520
[  308.849088]  ? bpf_test_run+0x3ee/0x7a0
[  308.853064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.858601]  ? check_preemption_disabled+0x48/0x280
[  308.863652]  ? kasan_check_read+0x11/0x20
[  308.867810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.873088]  ? rcu_softirq_qs+0x20/0x20
[  308.877092]  ? preempt_schedule+0x4d/0x60
[  308.881264]  ? ___preempt_schedule+0x16/0x18
[  308.885681]  ? bpf_test_run+0x271/0x7a0
[  308.889667]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.894079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.899616]  ? bpf_test_init.isra.10+0x70/0x100
[  308.904289]  ? bpf_prog_test_run_skb+0x762/0xd60
[  308.909055]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  308.913918]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.919471]  ? fput+0x130/0x1a0
[  308.922749]  ? __bpf_prog_get+0x9b/0x290
[  308.926817]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  308.931659]  ? bpf_prog_test_run+0x130/0x1a0
[  308.936069]  ? __x64_sys_bpf+0x3d8/0x520
[  308.940129]  ? bpf_prog_get+0x20/0x20
[  308.943939]  ? do_syscall_64+0x1e1/0x820
[  308.948012]  ? do_syscall_64+0x1b9/0x820
[  308.952073]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.957458]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.962391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.967232]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.972266]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.977290]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.982316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.987164]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.992545] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  308.992615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.999037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.999043] Call Trace:
[  308.999050]  <IRQ>
[  308.999068]  dump_stack+0x244/0x39d
[  308.999088]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.005648] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.014916]  warn_alloc.cold.116+0xb7/0x1bd
[  309.017470] syz-executor5 cpuset=syz5 mems_allowed=0
[  309.019609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.053105]  ? lock_downgrade+0x900/0x900
[  309.057273]  ? trace_hardirqs_off+0xb8/0x310
[  309.061704]  ? trace_hardirqs_off+0xb8/0x310
[  309.066126]  __alloc_pages_slowpath+0x2651/0x2de0
[  309.070996]  ? warn_alloc+0x120/0x120
[  309.074797]  ? print_usage_bug+0xc0/0xc0
[  309.078857]  ? warn_alloc+0x120/0x120
[  309.082665]  ? warn_alloc+0x120/0x120
[  309.086470]  ? print_usage_bug+0xc0/0xc0
[  309.090531]  ? kvm_clock_read+0x18/0x30
[  309.094505]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.099523]  ? print_usage_bug+0xc0/0xc0
[  309.103585]  ? __lock_acquire+0x62f/0x4c20
[  309.107829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.113370]  ? should_fail+0x22d/0xd01
[  309.117263]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.122548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.127650]  ? __lock_acquire+0x62f/0x4c20
[  309.131891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.137006]  ? __lock_acquire+0x62f/0x4c20
[  309.141242]  ? should_fail+0x22d/0xd01
[  309.145139]  ? rcu_irq_exit+0x1a2/0x390
[  309.149121]  ? mark_held_locks+0x130/0x130
[  309.153359]  ? mark_held_locks+0x130/0x130
[  309.157601]  ? mark_held_locks+0xc7/0x130
[  309.161751]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  309.166766]  ? zap_class+0x640/0x640
[  309.170477]  ? print_usage_bug+0xc0/0xc0
[  309.174542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.180078]  ? check_preemption_disabled+0x48/0x280
[  309.185108]  ? __lock_is_held+0xb5/0x140
[  309.189179]  __alloc_pages_nodemask+0xad8/0xea0
[  309.193846]  ? zap_class+0x640/0x640
[  309.197562]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  309.202590]  ? find_held_lock+0x36/0x1c0
[  309.206664]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.211333]  ? lock_downgrade+0x900/0x900
[  309.215487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.221029]  cache_grow_begin+0xa5/0x8c0
[  309.225088]  ? do_raw_spin_unlock+0xa7/0x330
[  309.229501]  fallback_alloc+0x204/0x2e0
[  309.233481]  ____cache_alloc_node+0x1c7/0x1e0
[  309.237980]  kmem_cache_alloc_node+0xe3/0x730
[  309.242478]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.246725]  __alloc_skb+0x119/0x770
[  309.250438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.255724]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.260134]  ? lock_downgrade+0x900/0x900
[  309.264301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.269840]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.275306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.280760]  ? addrconf_rs_timer+0x690/0x690
[  309.285178]  ndisc_alloc_skb+0x144/0x340
[  309.289242]  ndisc_send_rs+0x331/0x6e0
[  309.293152]  addrconf_rs_timer+0x314/0x690
[  309.297390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.301633]  call_timer_fn+0x272/0x920
[  309.305520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.309753]  ? process_timeout+0x40/0x40
[  309.313830]  ? mark_held_locks+0xc7/0x130
[  309.317980]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.322473]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.326967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.331203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.335784]  ? trace_hardirqs_on+0xbd/0x310
[  309.340103]  ? kasan_check_read+0x11/0x20
[  309.344257]  ? __run_timers+0x7da/0xc70
[  309.348243]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.353365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.357603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.361833]  __run_timers+0x7e5/0xc70
[  309.366132]  ? timer_fixup_init+0x70/0x70
[  309.370293]  ? kasan_check_read+0x11/0x20
[  309.374441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.379735]  ? rcu_softirq_qs+0x20/0x20
[  309.383762]  ? mark_held_locks+0xc7/0x130
[  309.387913]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.392670]  ? retint_kernel+0x2d/0x2d
[  309.396557]  ? trace_hardirqs_on_caller+0xc0/0x310
[  309.401486]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.406255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.411732]  ? zap_class+0x640/0x640
[  309.415468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.421006]  ? check_preemption_disabled+0x48/0x280
[  309.426031]  ? __lock_is_held+0xb5/0x140
[  309.430096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.435633]  ? check_preemption_disabled+0x48/0x280
[  309.440658]  run_timer_softirq+0x52/0xb0
[  309.444717]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.449743]  __do_softirq+0x308/0xb7e
[  309.453549]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.458047]  ? lock_downgrade+0x900/0x900
[  309.462198]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.467315]  ? pvclock_read_flags+0x160/0x160
[  309.471810]  ? lapic_next_event+0x5a/0x90
[  309.475980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.481539]  ? kvm_clock_read+0x18/0x30
[  309.485512]  ? kvm_sched_clock_read+0x9/0x20
[  309.489921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.495459]  ? check_preemption_disabled+0x48/0x280
[  309.500484]  irq_exit+0x17f/0x1c0
[  309.503936]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.508780]  ? smp_reschedule_interrupt+0x109/0x650
[  309.513800]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.519680]  ? interrupt_entry+0xb5/0xc0
[  309.523740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.528753]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.533769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.538637]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.543651]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.548671]  ? task_prio+0x50/0x50
[  309.552212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.557751]  ? check_preemption_disabled+0x48/0x280
[  309.562804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.567667]  apic_timer_interrupt+0xf/0x20
[  309.571893]  </IRQ>
[  309.574131] RIP: 0010:dump_stack+0x358/0x39d
[  309.578539] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  309.597436] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  309.605142] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  309.612406] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  309.619671] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  309.626938] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  309.634201] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  309.641488]  ? dump_stack+0x34f/0x39d
[  309.645320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.650511]  ? mark_held_locks+0x130/0x130
[  309.654747]  ? mark_held_locks+0x130/0x130
[  309.658984]  dump_header+0x27b/0xf72
[  309.662711]  ? pagefault_out_of_memory+0x197/0x197
[  309.667647]  ? __lock_acquire+0x62f/0x4c20
[  309.671882]  ? percpu_ref_get_many+0x240/0x240
[  309.676468]  ? print_usage_bug+0xc0/0xc0
[  309.680535]  ? zap_class+0x640/0x640
[  309.684259]  ? print_usage_bug+0xc0/0xc0
[  309.688324]  ? print_usage_bug+0xc0/0xc0
[  309.692389]  ? zap_class+0x640/0x640
[  309.696106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.701644]  ? find_held_lock+0x36/0x1c0
[  309.705717]  ? mark_held_locks+0xc7/0x130
[  309.709871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.714970]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.720075]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  309.724657]  ? trace_hardirqs_on+0xbd/0x310
[  309.728981]  ? kasan_check_read+0x11/0x20
[  309.733130]  ? ___ratelimit+0x3b4/0x672
[  309.737108]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.742216]  ? trace_hardirqs_on+0x310/0x310
[  309.746659]  ? lock_downgrade+0x900/0x900
[  309.750881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.755986]  ? ___ratelimit+0x3b9/0x672
[  309.759959]  ? idr_get_free+0xf70/0xf70
[  309.763948]  ? find_held_lock+0x36/0x1c0
[  309.768038]  oom_kill_process.cold.27+0x10/0x903
[  309.772823]  ? zap_class+0x640/0x640
[  309.776542]  ? check_preemption_disabled+0x48/0x280
[  309.781560]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.786491]  ? kasan_check_read+0x11/0x20
[  309.790638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.795919]  ? oom_evaluate_task+0x540/0x540
[  309.800333]  ? find_held_lock+0x36/0x1c0
[  309.804400]  ? out_of_memory+0x974/0x1430
[  309.808551]  ? lock_downgrade+0x900/0x900
[  309.812698]  ? check_preemption_disabled+0x48/0x280
[  309.817729]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.822661]  ? kasan_check_read+0x11/0x20
[  309.826810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.832085]  ? rcu_softirq_qs+0x20/0x20
[  309.836065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.841597]  ? oom_evaluate_task+0x302/0x540
[  309.846008]  out_of_memory+0xa84/0x1430
[  309.849990]  ? oom_killer_disable+0x3a0/0x3a0
[  309.854485]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  309.859421]  ? __ww_mutex_check_waiters+0x160/0x160
[  309.864453]  __alloc_pages_slowpath+0x232c/0x2de0
[  309.869330]  ? warn_alloc+0x120/0x120
[  309.873134]  ? mark_held_locks+0x130/0x130
[  309.877374]  ? find_get_entry+0xaae/0x1120
[  309.881618]  ? filemap_map_pages+0x1a20/0x1a20
[  309.886209]  ? zap_class+0x640/0x640
[  309.889929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.895470]  ? check_preemption_disabled+0x48/0x280
[  309.900490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.906032]  ? should_fail+0x22d/0xd01
[  309.909921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.915024]  ? zap_class+0x640/0x640
[  309.918798]  ? __lock_is_held+0xb5/0x140
[  309.922874]  ? mark_held_locks+0x130/0x130
[  309.927110]  ? lock_release+0xa00/0xa00
[  309.931088]  ? perf_trace_sched_process_exec+0x860/0x860
[  309.936538]  ? xa_load+0x2ba/0x460
[  309.940079]  ? lock_downgrade+0x900/0x900
[  309.944235]  ? __might_sleep+0x95/0x190
[  309.948230]  __alloc_pages_nodemask+0xad8/0xea0
[  309.952918]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  309.957936]  ? __page_cache_alloc+0x191/0x5c0
[  309.962431]  ? xa_load+0x2e1/0x460
[  309.965970]  ? xa_clear_mark+0x40/0x40
[  309.969862]  ? zap_class+0x640/0x640
[  309.973582]  ? zap_class+0x640/0x640
[  309.977301]  ? zap_class+0x640/0x640
[  309.981018]  ? __do_page_cache_readahead+0x663/0x810
[  309.986125]  ? find_held_lock+0x36/0x1c0
[  309.990194]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  309.995739]  alloc_pages_current+0x173/0x350
[  310.000153]  __page_cache_alloc+0x38c/0x5c0
[  310.004472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.009400]  ? kasan_check_read+0x11/0x20
[  310.013550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.018828]  ? generic_perform_write+0x6a0/0x6a0
[  310.023588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.029125]  ? check_preemption_disabled+0x48/0x280
[  310.034150]  filemap_fault+0x1595/0x25f0
[  310.038223]  ? __lock_page_or_retry+0xa00/0xa00
[  310.042902]  ? mark_held_locks+0x130/0x130
[  310.047143]  ? filemap_map_pages+0xd6b/0x1a20
[  310.051640]  ? lock_downgrade+0x900/0x900
[  310.055787]  ? check_preemption_disabled+0x48/0x280
[  310.060811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.065739]  ? kasan_check_read+0x11/0x20
[  310.069885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.075159]  ? rcu_softirq_qs+0x20/0x20
[  310.079148]  ? filemap_map_pages+0xd92/0x1a20
[  310.083655]  ? find_get_entries_tag+0x1400/0x1400
[  310.088522]  ? lock_acquire+0x1ed/0x520
[  310.092515]  ? ext4_filemap_fault+0x7a/0xad
[  310.096844]  ? lock_release+0xa00/0xa00
[  310.100818]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.106278]  ? mark_held_locks+0x130/0x130
[  310.110517]  ? print_usage_bug+0xc0/0xc0
[  310.114580]  ? print_usage_bug+0xc0/0xc0
[  310.118651]  ? down_read+0x8d/0x120
[  310.122288]  ? ext4_filemap_fault+0x7a/0xad
[  310.126613]  ? __down_interruptible+0x700/0x700
[  310.131301]  ext4_filemap_fault+0x82/0xad
[  310.135452]  __do_fault+0x100/0x6b0
[  310.139086]  ? pmd_devmap_trans_unstable+0x220/0x220
[  310.144209]  ? mark_held_locks+0x130/0x130
[  310.148448]  ? mark_held_locks+0x130/0x130
[  310.152687]  ? hrtimer_forward+0x2a0/0x2a0
[  310.156923]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  310.161766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.167311]  __handle_mm_fault+0x3ea6/0x5be0
[  310.171733]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  310.176574]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.181678]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.186784]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.191369]  ? trace_hardirqs_on+0xbd/0x310
[  310.195691]  ? kasan_check_read+0x11/0x20
[  310.199842]  ? __free_object+0x173/0x340
[  310.203914]  ? zap_class+0x640/0x640
[  310.207631]  ? zap_class+0x640/0x640
[  310.211345]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.216455]  ? find_held_lock+0x36/0x1c0
[  310.220527]  ? handle_mm_fault+0x42a/0xc70
[  310.224760]  ? lock_downgrade+0x900/0x900
[  310.228910]  ? check_preemption_disabled+0x48/0x280
[  310.233928]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.238858]  ? kasan_check_read+0x11/0x20
[  310.243004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.248286]  ? rcu_softirq_qs+0x20/0x20
[  310.252266]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.257379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.262917]  ? check_preemption_disabled+0x48/0x280
[  310.267947]  handle_mm_fault+0x54f/0xc70
[  310.272011]  ? __handle_mm_fault+0x5be0/0x5be0
[  310.276601]  ? find_vma+0x34/0x190
[  310.280146]  __do_page_fault+0x5e8/0xe60
[  310.284206]  ? trace_hardirqs_off+0xb8/0x310
[  310.288623]  do_page_fault+0xf2/0x7e0
[  310.292428]  ? vmalloc_sync_all+0x30/0x30
[  310.296579]  ? error_entry+0x70/0xd0
[  310.300296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.305314]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.310244]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.315190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.320032]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.325045]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.330498]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.335518]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.340533]  ? page_fault+0x8/0x30
[  310.344076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.348923]  ? page_fault+0x8/0x30
[  310.352463]  page_fault+0x1e/0x30
[  310.355916] RIP: 0033:0x7f4afc2d3e40
[  310.359644] Code: Bad RIP value.
[  310.363001] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  310.368822] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  310.376091] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  310.383356] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  310.390623] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  310.397887] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  310.405185] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  310.405191] warn_alloc_show_mem: 1 callbacks suppressed
[  310.405199] Mem-Info:
[  310.412558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.417925] active_anon:57379 inactive_anon:189 isolated_anon:0
[  310.417925]  active_file:13 inactive_file:16 isolated_file:0
[  310.417925]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.417925]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  310.417925]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  310.417925]  free:13771 free_pcp:208 free_cma:0
[  310.420298] Call Trace:
[  310.429690] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.462543]  <IRQ>
[  310.465114] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.492623]  dump_stack+0x244/0x39d
[  310.494745] lowmem_reserve[]: 0 2818 6321 6321
[  310.521329]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.524930] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.529512]  warn_alloc.cold.116+0xb7/0x1bd
[  310.534664] lowmem_reserve[]: 0 0 3503 3503
[  310.562259]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.566561] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  310.570879]  ? lock_downgrade+0x900/0x900
[  310.575692] lowmem_reserve[]: 0 0 0 0
[  310.604581]  ? trace_hardirqs_off+0xb8/0x310
[  310.608703] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  310.612499]  ? trace_hardirqs_off+0xb8/0x310
[  310.616877] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  310.630401]  __alloc_pages_slowpath+0x2651/0x2de0
[  310.634781] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  310.650229]  ? warn_alloc+0x120/0x120
[  310.655030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  310.669582]  ? print_usage_bug+0xc0/0xc0
[  310.673360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  310.682185]  ? warn_alloc+0x120/0x120
[  310.686222] 273 total pagecache pages
[  310.694791]  ? warn_alloc+0x120/0x120
[  310.698568] 0 pages in swap cache
[  310.702354]  ? print_usage_bug+0xc0/0xc0
[  310.706133] Swap cache stats: add 0, delete 0, find 0/0
[  310.709574]  ? kvm_clock_read+0x18/0x30
[  310.713607] Free swap  = 0kB
[  310.718968]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  310.722916] Total swap = 0kB
[  310.725932]  ? print_usage_bug+0xc0/0xc0
[  310.730924] 1965979 pages RAM
[  310.733934]  ? __lock_acquire+0x62f/0x4c20
[  310.737968] 0 pages HighMem/MovableOnly
[  310.741066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.745285] 342853 pages reserved
[  310.749261]  ? should_fail+0x22d/0xd01
[  310.754787] 0 pages cma reserved
[  310.758232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.762157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.765459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.765475]  ? __lock_acquire+0x62f/0x4c20
[  310.765493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.770803] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.777229]  ? __lock_acquire+0x62f/0x4c20
[  310.782308] cron cpuset=/ mems_allowed=0
[  310.786533]  ? should_fail+0x22d/0xd01
[  310.813807]  ? rcu_irq_exit+0x1a2/0x390
[  310.817795]  ? mark_held_locks+0x130/0x130
[  310.822037]  ? mark_held_locks+0x130/0x130
[  310.826282]  ? mark_held_locks+0xc7/0x130
[  310.830431]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  310.835445]  ? zap_class+0x640/0x640
[  310.839156]  ? print_usage_bug+0xc0/0xc0
[  310.843221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.848766]  ? check_preemption_disabled+0x48/0x280
[  310.853803]  ? __lock_is_held+0xb5/0x140
[  310.857870]  __alloc_pages_nodemask+0xad8/0xea0
[  310.862540]  ? zap_class+0x640/0x640
[  310.866269]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  310.871302]  ? find_held_lock+0x36/0x1c0
[  310.875372]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.880040]  ? lock_downgrade+0x900/0x900
[  310.884203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.889748]  cache_grow_begin+0xa5/0x8c0
[  310.893814]  ? do_raw_spin_unlock+0xa7/0x330
[  310.898228]  fallback_alloc+0x204/0x2e0
[  310.902217]  ____cache_alloc_node+0x1c7/0x1e0
[  310.906725]  kmem_cache_alloc_node+0xe3/0x730
[  310.911220]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.915475]  __alloc_skb+0x119/0x770
[  310.919192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.924473]  ? netdev_alloc_frag+0x1f0/0x1f0
[  310.928878]  ? lock_downgrade+0x900/0x900
[  310.933036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.938571]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.944027]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.949480]  ? addrconf_rs_timer+0x690/0x690
[  310.953900]  ndisc_alloc_skb+0x144/0x340
[  310.957971]  ndisc_send_rs+0x331/0x6e0
[  310.961864]  addrconf_rs_timer+0x314/0x690
[  310.966106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.970349]  call_timer_fn+0x272/0x920
[  310.974239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.978484]  ? process_timeout+0x40/0x40
[  310.982551]  ? __run_timers+0x7da/0xc70
[  310.986529]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.991022]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.995513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.999746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.004343]  ? trace_hardirqs_on+0xbd/0x310
[  311.008663]  ? kasan_check_read+0x11/0x20
[  311.012809]  ? __run_timers+0x7da/0xc70
[  311.016789]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.021898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.026140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.030376]  __run_timers+0x7e5/0xc70
[  311.034188]  ? timer_fixup_init+0x70/0x70
[  311.038338]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.043360]  ? zap_class+0x640/0x640
[  311.047084]  ? enqueue_hrtimer+0x1a5/0x560
[  311.051322]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.056516]  ? find_held_lock+0x36/0x1c0
[  311.060585]  ? zap_class+0x640/0x640
[  311.064303]  ? pvclock_read_flags+0x160/0x160
[  311.068806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.074348]  ? check_preemption_disabled+0x48/0x280
[  311.079372]  ? __lock_is_held+0xb5/0x140
[  311.083434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.088974]  ? check_preemption_disabled+0x48/0x280
[  311.093997]  run_timer_softirq+0x52/0xb0
[  311.098057]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.103072]  __do_softirq+0x308/0xb7e
[  311.106874]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  311.111366]  ? lock_downgrade+0x900/0x900
[  311.115523]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  311.120633]  ? pvclock_read_flags+0x160/0x160
[  311.125133]  ? lapic_next_event+0x5a/0x90
[  311.129291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.134833]  ? kvm_clock_read+0x18/0x30
[  311.138810]  ? kvm_sched_clock_read+0x9/0x20
[  311.143221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.148765]  ? check_preemption_disabled+0x48/0x280
[  311.153803]  irq_exit+0x17f/0x1c0
[  311.157265]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.162108]  ? smp_reschedule_interrupt+0x109/0x650
[  311.167123]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.173004]  ? interrupt_entry+0xb5/0xc0
[  311.177066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.182081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.187096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.191941]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.196954]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.201969]  ? task_prio+0x50/0x50
[  311.205514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.211057]  ? check_preemption_disabled+0x48/0x280
[  311.216078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.220929]  apic_timer_interrupt+0xf/0x20
[  311.225155]  </IRQ>
[  311.227396] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.232326] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  311.251227] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  311.258942] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  311.266210] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  311.273474] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  311.280743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  311.288015] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  311.295325]  skb_clone+0x1bb/0x500
[  311.298872]  ? finish_task_switch+0x1b4/0x910
[  311.303371]  ? skb_split+0x11e0/0x11e0
[  311.307267]  ? preempt_notifier_register+0x200/0x200
[  311.312372]  ? __switch_to_asm+0x34/0x70
[  311.316432]  ? __switch_to_asm+0x34/0x70
[  311.320487]  ? __switch_to_asm+0x40/0x70
[  311.324543]  ? __switch_to_asm+0x34/0x70
[  311.328598]  ? __switch_to_asm+0x40/0x70
[  311.332653]  ? __switch_to_asm+0x34/0x70
[  311.336715]  ? __switch_to_asm+0x40/0x70
[  311.340777]  ? __switch_to_asm+0x34/0x70
[  311.344836]  ? __switch_to_asm+0x34/0x70
[  311.348892]  ? __switch_to_asm+0x40/0x70
[  311.352950]  ? __switch_to_asm+0x34/0x70
[  311.357013]  bpf_clone_redirect+0xb9/0x490
[  311.361258]  ? __schedule+0x8d7/0x21d0
[  311.365154]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  311.370171]  ? __sched_text_start+0x8/0x8
[  311.374324]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.379088]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  311.383668]  ? retint_kernel+0x2d/0x2d
[  311.387558]  ? find_held_lock+0x36/0x1c0
[  311.391626]  ? lock_acquire+0x1ed/0x520
[  311.395603]  ? bpf_test_run+0x3ee/0x7a0
[  311.399577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.405117]  ? check_preemption_disabled+0x48/0x280
[  311.410137]  ? kasan_check_read+0x11/0x20
[  311.414283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.419561]  ? rcu_softirq_qs+0x20/0x20
[  311.423539]  ? preempt_schedule+0x4d/0x60
[  311.427688]  ? ___preempt_schedule+0x16/0x18
[  311.432103]  ? bpf_test_run+0x271/0x7a0
[  311.436100]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.440511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.446046]  ? bpf_test_init.isra.10+0x70/0x100
[  311.450718]  ? bpf_prog_test_run_skb+0x762/0xd60
[  311.455487]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  311.460340]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  311.465879]  ? fput+0x130/0x1a0
[  311.469167]  ? __bpf_prog_get+0x9b/0x290
[  311.473231]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  311.478083]  ? bpf_prog_test_run+0x130/0x1a0
[  311.482497]  ? __x64_sys_bpf+0x3d8/0x520
[  311.486558]  ? bpf_prog_get+0x20/0x20
[  311.490374]  ? do_syscall_64+0x1e1/0x820
[  311.494439]  ? do_syscall_64+0x1b9/0x820
[  311.498501]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  311.503871]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.508803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.513650]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.518668]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.523688]  ? prepare_exit_to_usermode+0x291/0x3b0
[  311.528711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.533561]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  311.538942] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  311.539019] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.545431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.545442] Call Trace:
[  311.545448]  <IRQ>
[  311.545467]  dump_stack+0x244/0x39d
[  311.545490]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.545517]  warn_alloc.cold.116+0xb7/0x1bd
[  311.552037] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.561332]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.563891] syz-executor5 cpuset=syz5 mems_allowed=0
[  311.566040]  ? lock_downgrade+0x900/0x900
[  311.603650]  ? trace_hardirqs_off+0xb8/0x310
[  311.608066]  ? trace_hardirqs_off+0xb8/0x310
[  311.612486]  __alloc_pages_slowpath+0x2651/0x2de0
[  311.617361]  ? warn_alloc+0x120/0x120
[  311.621165]  ? print_usage_bug+0xc0/0xc0
[  311.625226]  ? warn_alloc+0x120/0x120
[  311.629043]  ? warn_alloc+0x120/0x120
[  311.632843]  ? print_usage_bug+0xc0/0xc0
[  311.636912]  ? print_usage_bug+0xc0/0xc0
[  311.640978]  ? __lock_acquire+0x62f/0x4c20
[  311.645221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.650764]  ? should_fail+0x22d/0xd01
[  311.654654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.659758]  ? __lock_acquire+0x62f/0x4c20
[  311.663998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.669102]  ? __lock_acquire+0x62f/0x4c20
[  311.673335]  ? should_fail+0x22d/0xd01
[  311.677219]  ? find_held_lock+0x36/0x1c0
[  311.681300]  ? mark_held_locks+0x130/0x130
[  311.685543]  ? mark_held_locks+0x130/0x130
[  311.689781]  ? zap_class+0x640/0x640
[  311.693508]  ? zap_class+0x640/0x640
[  311.697228]  ? print_usage_bug+0xc0/0xc0
[  311.701296]  ? do_raw_spin_unlock+0xa7/0x330
[  311.705711]  ? zap_class+0x640/0x640
[  311.709426]  ? print_usage_bug+0xc0/0xc0
[  311.713489]  ? wq_watchdog_touch+0x9c/0xfe
[  311.717730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.723278]  ? check_preemption_disabled+0x48/0x280
[  311.728310]  ? __lock_is_held+0xb5/0x140
[  311.732376]  __alloc_pages_nodemask+0xad8/0xea0
[  311.737046]  ? zap_class+0x640/0x640
[  311.740764]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  311.745789]  ? find_held_lock+0x36/0x1c0
[  311.749860]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.754532]  ? lock_downgrade+0x900/0x900
[  311.758687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.764230]  cache_grow_begin+0xa5/0x8c0
[  311.768308]  ? do_raw_spin_unlock+0xa7/0x330
[  311.772726]  fallback_alloc+0x204/0x2e0
[  311.776710]  ____cache_alloc_node+0x1c7/0x1e0
[  311.781242]  kmem_cache_alloc_node+0xe3/0x730
[  311.785753]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.789998]  __alloc_skb+0x119/0x770
[  311.793711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.799009]  ? netdev_alloc_frag+0x1f0/0x1f0
[  311.803441]  ? lock_downgrade+0x900/0x900
[  311.807606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.813146]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.818601]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.824050]  ? addrconf_rs_timer+0x690/0x690
[  311.828474]  ndisc_alloc_skb+0x144/0x340
[  311.832543]  ndisc_send_rs+0x331/0x6e0
[  311.836434]  addrconf_rs_timer+0x314/0x690
[  311.840673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.844921]  call_timer_fn+0x272/0x920
[  311.848806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.853040]  ? process_timeout+0x40/0x40
[  311.857109]  ? mark_held_locks+0xc7/0x130
[  311.861288]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.865797]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.870300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.874534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.879120]  ? trace_hardirqs_on+0xbd/0x310
[  311.883441]  ? kasan_check_read+0x11/0x20
[  311.887589]  ? __run_timers+0x7da/0xc70
[  311.891562]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.896668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.900909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.905140]  __run_timers+0x7e5/0xc70
[  311.908955]  ? timer_fixup_init+0x70/0x70
[  311.913102]  ? kasan_check_read+0x11/0x20
[  311.917258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.922540]  ? rcu_softirq_qs+0x20/0x20
[  311.926521]  ? mark_held_locks+0xc7/0x130
[  311.930677]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.935433]  ? retint_kernel+0x2d/0x2d
[  311.939326]  ? trace_hardirqs_on_caller+0xc0/0x310
[  311.944264]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.949025]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.954474]  ? zap_class+0x640/0x640
[  311.958198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.963739]  ? check_preemption_disabled+0x48/0x280
[  311.968770]  ? __lock_is_held+0xb5/0x140
[  311.972839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.978381]  ? check_preemption_disabled+0x48/0x280
[  311.983402]  run_timer_softirq+0x52/0xb0
[  311.987465]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.992485]  __do_softirq+0x308/0xb7e
[  311.996296]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  312.000789]  ? lock_downgrade+0x900/0x900
[  312.004943]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  312.010053]  ? pvclock_read_flags+0x160/0x160
[  312.014556]  ? lapic_next_event+0x5a/0x90
[  312.018753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.024304]  ? kvm_clock_read+0x18/0x30
[  312.028291]  ? kvm_sched_clock_read+0x9/0x20
[  312.032702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.038245]  ? check_preemption_disabled+0x48/0x280
[  312.043294]  irq_exit+0x17f/0x1c0
[  312.046756]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.051595]  ? smp_reschedule_interrupt+0x109/0x650
[  312.056609]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.062493]  ? interrupt_entry+0xb5/0xc0
[  312.066558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.071574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.076590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.081433]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.086451]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.091467]  ? task_prio+0x50/0x50
[  312.095015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.100557]  ? check_preemption_disabled+0x48/0x280
[  312.105581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.110435]  apic_timer_interrupt+0xf/0x20
[  312.114666]  </IRQ>
[  312.116908] RIP: 0010:dump_stack+0x358/0x39d
[  312.121317] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  312.140239] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  312.147963] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  312.155235] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  312.162513] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  312.169778] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  312.177045] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  312.184335]  ? dump_stack+0x34f/0x39d
[  312.188148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.193353]  ? mark_held_locks+0x130/0x130
[  312.197586]  ? mark_held_locks+0x130/0x130
[  312.201830]  dump_header+0x27b/0xf72
[  312.205559]  ? pagefault_out_of_memory+0x197/0x197
[  312.210499]  ? __lock_acquire+0x62f/0x4c20
[  312.214733]  ? percpu_ref_get_many+0x240/0x240
[  312.219322]  ? print_usage_bug+0xc0/0xc0
[  312.223390]  ? zap_class+0x640/0x640
[  312.227104]  ? print_usage_bug+0xc0/0xc0
[  312.231161]  ? print_usage_bug+0xc0/0xc0
[  312.235225]  ? zap_class+0x640/0x640
[  312.238953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.244494]  ? find_held_lock+0x36/0x1c0
[  312.248567]  ? mark_held_locks+0xc7/0x130
[  312.252715]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.257816]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.262924]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  312.267507]  ? trace_hardirqs_on+0xbd/0x310
[  312.271832]  ? kasan_check_read+0x11/0x20
[  312.275980]  ? ___ratelimit+0x3b4/0x672
[  312.279954]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.285061]  ? trace_hardirqs_on+0x310/0x310
[  312.289475]  ? lock_downgrade+0x900/0x900
[  312.293634]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.298736]  ? ___ratelimit+0x3b9/0x672
[  312.302711]  ? idr_get_free+0xf70/0xf70
[  312.306689]  ? find_held_lock+0x36/0x1c0
[  312.310764]  oom_kill_process.cold.27+0x10/0x903
[  312.315525]  ? zap_class+0x640/0x640
[  312.319246]  ? check_preemption_disabled+0x48/0x280
[  312.324295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.329228]  ? kasan_check_read+0x11/0x20
[  312.333383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.338662]  ? oom_evaluate_task+0x540/0x540
[  312.343074]  ? find_held_lock+0x36/0x1c0
[  312.347142]  ? out_of_memory+0x974/0x1430
[  312.351294]  ? lock_downgrade+0x900/0x900
[  312.355443]  ? check_preemption_disabled+0x48/0x280
[  312.360463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.365885]  ? kasan_check_read+0x11/0x20
[  312.370034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.375310]  ? rcu_softirq_qs+0x20/0x20
[  312.379294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.384828]  ? oom_evaluate_task+0x302/0x540
[  312.389242]  out_of_memory+0xa84/0x1430
[  312.393244]  ? oom_killer_disable+0x3a0/0x3a0
[  312.397753]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  312.402685]  ? __ww_mutex_check_waiters+0x160/0x160
[  312.407712]  __alloc_pages_slowpath+0x232c/0x2de0
[  312.412582]  ? warn_alloc+0x120/0x120
[  312.416383]  ? mark_held_locks+0x130/0x130
[  312.420626]  ? find_get_entry+0xaae/0x1120
[  312.424869]  ? filemap_map_pages+0x1a20/0x1a20
[  312.429460]  ? zap_class+0x640/0x640
[  312.433183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.438722]  ? check_preemption_disabled+0x48/0x280
[  312.443737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.449286]  ? should_fail+0x22d/0xd01
[  312.453182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.458295]  ? zap_class+0x640/0x640
[  312.462037]  ? __lock_is_held+0xb5/0x140
[  312.466105]  ? mark_held_locks+0x130/0x130
[  312.470344]  ? lock_release+0xa00/0xa00
[  312.474322]  ? perf_trace_sched_process_exec+0x860/0x860
[  312.479773]  ? xa_load+0x2ba/0x460
[  312.483320]  ? lock_downgrade+0x900/0x900
[  312.487473]  ? __might_sleep+0x95/0x190
[  312.491453]  __alloc_pages_nodemask+0xad8/0xea0
[  312.496285]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  312.501307]  ? __page_cache_alloc+0x191/0x5c0
[  312.505803]  ? xa_load+0x2e1/0x460
[  312.509343]  ? xa_clear_mark+0x40/0x40
[  312.513229]  ? zap_class+0x640/0x640
[  312.516956]  ? zap_class+0x640/0x640
[  312.520668]  ? zap_class+0x640/0x640
[  312.524386]  ? __do_page_cache_readahead+0x663/0x810
[  312.529498]  ? find_held_lock+0x36/0x1c0
[  312.533567]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  312.539111]  alloc_pages_current+0x173/0x350
[  312.543525]  __page_cache_alloc+0x38c/0x5c0
[  312.547848]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.552781]  ? kasan_check_read+0x11/0x20
[  312.556930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.562207]  ? generic_perform_write+0x6a0/0x6a0
[  312.566965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.572506]  ? check_preemption_disabled+0x48/0x280
[  312.577531]  filemap_fault+0x1595/0x25f0
[  312.581610]  ? __lock_page_or_retry+0xa00/0xa00
[  312.586294]  ? mark_held_locks+0x130/0x130
[  312.590539]  ? filemap_map_pages+0xd6b/0x1a20
[  312.595042]  ? lock_downgrade+0x900/0x900
[  312.599190]  ? check_preemption_disabled+0x48/0x280
[  312.604209]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.609145]  ? kasan_check_read+0x11/0x20
[  312.613298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.618575]  ? rcu_softirq_qs+0x20/0x20
[  312.622577]  ? filemap_map_pages+0xd92/0x1a20
[  312.627113]  ? find_get_entries_tag+0x1400/0x1400
[  312.631978]  ? lock_acquire+0x1ed/0x520
[  312.635950]  ? ext4_filemap_fault+0x7a/0xad
[  312.640291]  ? lock_release+0xa00/0xa00
[  312.644279]  ? perf_trace_sched_process_exec+0x860/0x860
[  312.649729]  ? mark_held_locks+0x130/0x130
[  312.653965]  ? print_usage_bug+0xc0/0xc0
[  312.658028]  ? print_usage_bug+0xc0/0xc0
[  312.662100]  ? down_read+0x8d/0x120
[  312.665728]  ? ext4_filemap_fault+0x7a/0xad
[  312.670053]  ? __down_interruptible+0x700/0x700
[  312.674732]  ext4_filemap_fault+0x82/0xad
[  312.678886]  __do_fault+0x100/0x6b0
[  312.682520]  ? pmd_devmap_trans_unstable+0x220/0x220
[  312.687625]  ? mark_held_locks+0x130/0x130
[  312.691862]  ? mark_held_locks+0x130/0x130
[  312.696100]  ? hrtimer_forward+0x2a0/0x2a0
[  312.700348]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  312.705196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.710740]  __handle_mm_fault+0x3ea6/0x5be0
[  312.715156]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  312.719998]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.725102]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.730209]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  312.734793]  ? trace_hardirqs_on+0xbd/0x310
[  312.739117]  ? kasan_check_read+0x11/0x20
[  312.743280]  ? __free_object+0x173/0x340
[  312.747353]  ? zap_class+0x640/0x640
[  312.751068]  ? zap_class+0x640/0x640
[  312.754779]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.759890]  ? find_held_lock+0x36/0x1c0
[  312.763965]  ? handle_mm_fault+0x42a/0xc70
[  312.768204]  ? lock_downgrade+0x900/0x900
[  312.772354]  ? check_preemption_disabled+0x48/0x280
[  312.777374]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.782304]  ? kasan_check_read+0x11/0x20
[  312.786449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.791728]  ? rcu_softirq_qs+0x20/0x20
[  312.795703]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.800810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.806353]  ? check_preemption_disabled+0x48/0x280
[  312.811378]  handle_mm_fault+0x54f/0xc70
[  312.815442]  ? __handle_mm_fault+0x5be0/0x5be0
[  312.820031]  ? find_vma+0x34/0x190
[  312.823580]  __do_page_fault+0x5e8/0xe60
[  312.827638]  ? trace_hardirqs_off+0xb8/0x310
[  312.832055]  do_page_fault+0xf2/0x7e0
[  312.835861]  ? vmalloc_sync_all+0x30/0x30
[  312.840008]  ? error_entry+0x70/0xd0
[  312.843721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.848733]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.853661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.858592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.863435]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.868449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.873905]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  312.878921]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.883938]  ? page_fault+0x8/0x30
[  312.887479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.892326]  ? page_fault+0x8/0x30
[  312.895870]  page_fault+0x1e/0x30
[  312.899320] RIP: 0033:0x7f4afc2d3e40
[  312.903043] Code: Bad RIP value.
[  312.906412] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  312.911771] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  312.919038] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  312.926304] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  312.933568] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  312.940832] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  312.948121] warn_alloc_show_mem: 1 callbacks suppressed
[  312.948134] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  312.948135] Mem-Info:
[  312.948167] active_anon:57379 inactive_anon:189 isolated_anon:0
[  312.948167]  active_file:13 inactive_file:16 isolated_file:0
[  312.948167]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.948167]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  312.948167]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  312.948167]  free:13771 free_pcp:208 free_cma:0
[  312.953505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.960869] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.963279] Call Trace:
[  312.996147] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  313.005492]  <IRQ>
[  313.032978] lowmem_reserve[]: 0 2818 6321 6321
[  313.035567]  dump_stack+0x244/0x39d
[  313.061648] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  313.063805]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.068357] lowmem_reserve[]: 0 0 3503 3503
[  313.071994]  warn_alloc.cold.116+0xb7/0x1bd
[  313.099553] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  313.104743]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.109032] lowmem_reserve[]: 0 0 0 0
[  313.113349]  ? lock_downgrade+0x900/0x900
[  313.142214] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  313.147085]  ? trace_hardirqs_off+0xb8/0x310
[  313.150851] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  313.154993]  ? trace_hardirqs_off+0xb8/0x310
[  313.168487] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  313.172900]  __alloc_pages_slowpath+0x2651/0x2de0
[  313.188314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.192735]  ? warn_alloc+0x120/0x120
[  313.207290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.212118]  ? print_usage_bug+0xc0/0xc0
[  313.220925] 273 total pagecache pages
[  313.224719]  ? warn_alloc+0x120/0x120
[  313.233288] 0 pages in swap cache
[  313.237336]  ? warn_alloc+0x120/0x120
[  313.241112] Swap cache stats: add 0, delete 0, find 0/0
[  313.244900]  ? print_usage_bug+0xc0/0xc0
[  313.248326] Free swap  = 0kB
[  313.252119]  ? print_usage_bug+0xc0/0xc0
[  313.257455] Total swap = 0kB
[  313.261511]  ? __lock_acquire+0x62f/0x4c20
[  313.264507] 1965979 pages RAM
[  313.268594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.271584] 0 pages HighMem/MovableOnly
[  313.275812]  ? should_fail+0x22d/0xd01
[  313.278891] 342853 pages reserved
[  313.284422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.288372] 0 pages cma reserved
[  313.292261]  ? __lock_acquire+0x62f/0x4c20
[  313.295759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.300788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.304184] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.309580]  ? __lock_acquire+0x62f/0x4c20
[  313.316050] cron cpuset=/ mems_allowed=0
[  313.321158]  ? should_fail+0x22d/0xd01
[  313.342979]  ? find_held_lock+0x36/0x1c0
[  313.347047]  ? mark_held_locks+0x130/0x130
[  313.351293]  ? mark_held_locks+0x130/0x130
[  313.355530]  ? zap_class+0x640/0x640
[  313.359244]  ? zap_class+0x640/0x640
[  313.362968]  ? print_usage_bug+0xc0/0xc0
[  313.367029]  ? do_raw_spin_unlock+0xa7/0x330
[  313.371438]  ? zap_class+0x640/0x640
[  313.375150]  ? print_usage_bug+0xc0/0xc0
[  313.379209]  ? wq_watchdog_touch+0x9c/0xfe
[  313.383452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.388996]  ? check_preemption_disabled+0x48/0x280
[  313.394024]  ? __lock_is_held+0xb5/0x140
[  313.398090]  __alloc_pages_nodemask+0xad8/0xea0
[  313.402759]  ? zap_class+0x640/0x640
[  313.406485]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  313.411515]  ? find_held_lock+0x36/0x1c0
[  313.415603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.420285]  ? lock_downgrade+0x900/0x900
[  313.424447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.429991]  cache_grow_begin+0xa5/0x8c0
[  313.434054]  ? do_raw_spin_unlock+0xa7/0x330
[  313.438479]  fallback_alloc+0x204/0x2e0
[  313.442459]  ____cache_alloc_node+0x1c7/0x1e0
[  313.446966]  kmem_cache_alloc_node+0xe3/0x730
[  313.451465]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.455711]  __alloc_skb+0x119/0x770
[  313.459428]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.464710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.469124]  ? lock_downgrade+0x900/0x900
[  313.473288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.478831]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.484291]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.489764]  ? addrconf_rs_timer+0x690/0x690
[  313.494192]  ndisc_alloc_skb+0x144/0x340
[  313.498266]  ndisc_send_rs+0x331/0x6e0
[  313.502165]  addrconf_rs_timer+0x314/0x690
[  313.506408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.510653]  call_timer_fn+0x272/0x920
[  313.514540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.518781]  ? process_timeout+0x40/0x40
[  313.522850]  ? __run_timers+0x7da/0xc70
[  313.526827]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.531325]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.535822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.540067]  ? lockdep_hardirqs_on+0x296/0x5b0
[  313.544671]  ? trace_hardirqs_on+0xbd/0x310
[  313.548995]  ? kasan_check_read+0x11/0x20
[  313.553140]  ? __run_timers+0x7da/0xc70
[  313.557117]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.562226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.566478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.570709]  __run_timers+0x7e5/0xc70
[  313.574522]  ? timer_fixup_init+0x70/0x70
[  313.578677]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.583701]  ? zap_class+0x640/0x640
[  313.587432]  ? enqueue_hrtimer+0x1a5/0x560
[  313.591684]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.596886]  ? find_held_lock+0x36/0x1c0
[  313.600951]  ? zap_class+0x640/0x640
[  313.604674]  ? pvclock_read_flags+0x160/0x160
[  313.609180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.614720]  ? check_preemption_disabled+0x48/0x280
[  313.619745]  ? __lock_is_held+0xb5/0x140
[  313.623815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.629355]  ? check_preemption_disabled+0x48/0x280
[  313.634383]  run_timer_softirq+0x52/0xb0
[  313.638458]  ? rcu_read_lock_sched_held+0x14f/0x180
[  313.643486]  __do_softirq+0x308/0xb7e
[  313.647290]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  313.651789]  ? lock_downgrade+0x900/0x900
[  313.655944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  313.661070]  ? pvclock_read_flags+0x160/0x160
[  313.665568]  ? lapic_next_event+0x5a/0x90
[  313.669720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.675270]  ? kvm_clock_read+0x18/0x30
[  313.679246]  ? kvm_sched_clock_read+0x9/0x20
[  313.683682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.689222]  ? check_preemption_disabled+0x48/0x280
[  313.694267]  irq_exit+0x17f/0x1c0
[  313.697722]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.702563]  ? smp_reschedule_interrupt+0x109/0x650
[  313.707581]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.713464]  ? interrupt_entry+0xb5/0xc0
[  313.717526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.722540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.727557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.732490]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.737515]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.742534]  ? task_prio+0x50/0x50
[  313.746078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.751620]  ? check_preemption_disabled+0x48/0x280
[  313.756646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.761504]  apic_timer_interrupt+0xf/0x20
[  313.765749]  </IRQ>
[  313.767997] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.772928] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  313.791834] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  313.799547] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  313.806816] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  313.814088] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  313.821355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  313.828624] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  313.835947]  skb_clone+0x1bb/0x500
[  313.839492]  ? finish_task_switch+0x1b4/0x910
[  313.844004]  ? skb_split+0x11e0/0x11e0
[  313.847910]  ? preempt_notifier_register+0x200/0x200
[  313.853013]  ? __switch_to_asm+0x34/0x70
[  313.857075]  ? __switch_to_asm+0x34/0x70
[  313.861131]  ? __switch_to_asm+0x40/0x70
[  313.865194]  ? __switch_to_asm+0x34/0x70
[  313.869260]  ? __switch_to_asm+0x40/0x70
[  313.873322]  ? __switch_to_asm+0x34/0x70
[  313.877381]  ? __switch_to_asm+0x40/0x70
[  313.881439]  ? __switch_to_asm+0x34/0x70
[  313.885502]  ? __switch_to_asm+0x34/0x70
[  313.889560]  ? __switch_to_asm+0x40/0x70
[  313.893619]  ? __switch_to_asm+0x34/0x70
[  313.897686]  bpf_clone_redirect+0xb9/0x490
[  313.901927]  ? __schedule+0x8d7/0x21d0
[  313.905824]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  313.910854]  ? __sched_text_start+0x8/0x8
[  313.915015]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.919789]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.924378]  ? retint_kernel+0x2d/0x2d
[  313.928280]  ? find_held_lock+0x36/0x1c0
[  313.932350]  ? lock_acquire+0x1ed/0x520
[  313.936328]  ? bpf_test_run+0x3ee/0x7a0
[  313.940307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.945850]  ? check_preemption_disabled+0x48/0x280
[  313.950876]  ? kasan_check_read+0x11/0x20
[  313.955028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.960305]  ? rcu_softirq_qs+0x20/0x20
[  313.964292]  ? preempt_schedule+0x4d/0x60
[  313.968442]  ? ___preempt_schedule+0x16/0x18
[  313.972860]  ? bpf_test_run+0x271/0x7a0
[  313.976848]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.981268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.986810]  ? bpf_test_init.isra.10+0x70/0x100
[  313.991488]  ? bpf_prog_test_run_skb+0x762/0xd60
[  313.996261]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  314.001114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.006655]  ? fput+0x130/0x1a0
[  314.009939]  ? __bpf_prog_get+0x9b/0x290
[  314.014003]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  314.018845]  ? bpf_prog_test_run+0x130/0x1a0
[  314.023269]  ? __x64_sys_bpf+0x3d8/0x520
[  314.027335]  ? bpf_prog_get+0x20/0x20
[  314.031152]  ? do_syscall_64+0x1e1/0x820
[  314.035226]  ? do_syscall_64+0x1b9/0x820
[  314.039303]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  314.044670]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.049607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.054455]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.059475]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  314.064494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  314.069521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.074375]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  314.079764] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  314.079844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.086261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.086266] Call Trace:
[  314.086279]  <IRQ>
[  314.086298]  dump_stack+0x244/0x39d
[  314.086316]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.086342]  warn_alloc.cold.116+0xb7/0x1bd
[  314.092864] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.102160]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.104718] syz-executor5 cpuset=syz5 mems_allowed=0
[  314.106866]  ? lock_downgrade+0x900/0x900
[  314.144495]  ? trace_hardirqs_off+0xb8/0x310
[  314.148918]  ? trace_hardirqs_off+0xb8/0x310
[  314.153339]  __alloc_pages_slowpath+0x2651/0x2de0
[  314.158214]  ? warn_alloc+0x120/0x120
[  314.162018]  ? print_usage_bug+0xc0/0xc0
[  314.166079]  ? warn_alloc+0x120/0x120
[  314.169890]  ? warn_alloc+0x120/0x120
[  314.173698]  ? print_usage_bug+0xc0/0xc0
[  314.177764]  ? print_usage_bug+0xc0/0xc0
[  314.181828]  ? __lock_acquire+0x62f/0x4c20
[  314.186073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.191614]  ? should_fail+0x22d/0xd01
[  314.195506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.200614]  ? __lock_acquire+0x62f/0x4c20
[  314.204857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.209961]  ? __lock_acquire+0x62f/0x4c20
[  314.214196]  ? should_fail+0x22d/0xd01
[  314.218086]  ? find_held_lock+0x36/0x1c0
[  314.222157]  ? mark_held_locks+0x130/0x130
[  314.226399]  ? mark_held_locks+0x130/0x130
[  314.230639]  ? zap_class+0x640/0x640
[  314.234354]  ? zap_class+0x640/0x640
[  314.238073]  ? print_usage_bug+0xc0/0xc0
[  314.242132]  ? do_raw_spin_unlock+0xa7/0x330
[  314.246542]  ? zap_class+0x640/0x640
[  314.250263]  ? print_usage_bug+0xc0/0xc0
[  314.254332]  ? wq_watchdog_touch+0x9c/0xfe
[  314.258574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.264114]  ? check_preemption_disabled+0x48/0x280
[  314.269142]  ? __lock_is_held+0xb5/0x140
[  314.273211]  __alloc_pages_nodemask+0xad8/0xea0
[  314.277881]  ? zap_class+0x640/0x640
[  314.281605]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  314.286632]  ? find_held_lock+0x36/0x1c0
[  314.290705]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.295382]  ? lock_downgrade+0x900/0x900
[  314.299543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.305088]  cache_grow_begin+0xa5/0x8c0
[  314.309149]  ? do_raw_spin_unlock+0xa7/0x330
[  314.313567]  fallback_alloc+0x204/0x2e0
[  314.317550]  ____cache_alloc_node+0x1c7/0x1e0
[  314.322055]  kmem_cache_alloc_node+0xe3/0x730
[  314.326564]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.330814]  __alloc_skb+0x119/0x770
[  314.334532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.339815]  ? netdev_alloc_frag+0x1f0/0x1f0
[  314.344235]  ? lock_downgrade+0x900/0x900
[  314.348423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.353964]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.359417]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.365370]  ? addrconf_rs_timer+0x690/0x690
[  314.369789]  ndisc_alloc_skb+0x144/0x340
[  314.373861]  ndisc_send_rs+0x331/0x6e0
[  314.377756]  addrconf_rs_timer+0x314/0x690
[  314.381996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.386256]  call_timer_fn+0x272/0x920
[  314.390159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.394395]  ? process_timeout+0x40/0x40
[  314.398467]  ? mark_held_locks+0xc7/0x130
[  314.402622]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.407118]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.411613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.415848]  ? lockdep_hardirqs_on+0x296/0x5b0
[  314.420431]  ? trace_hardirqs_on+0xbd/0x310
[  314.424752]  ? kasan_check_read+0x11/0x20
[  314.428900]  ? __run_timers+0x7da/0xc70
[  314.432882]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.437993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.442232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.446478]  __run_timers+0x7e5/0xc70
[  314.450303]  ? timer_fixup_init+0x70/0x70
[  314.454454]  ? kasan_check_read+0x11/0x20
[  314.458600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.463879]  ? rcu_softirq_qs+0x20/0x20
[  314.467861]  ? mark_held_locks+0xc7/0x130
[  314.472706]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.477469]  ? retint_kernel+0x2d/0x2d
[  314.481358]  ? trace_hardirqs_on_caller+0xc0/0x310
[  314.486295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.491055]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.496512]  ? zap_class+0x640/0x640
[  314.500232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.505783]  ? check_preemption_disabled+0x48/0x280
[  314.510812]  ? __lock_is_held+0xb5/0x140
[  314.514875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.520414]  ? check_preemption_disabled+0x48/0x280
[  314.525434]  run_timer_softirq+0x52/0xb0
[  314.529498]  ? rcu_read_lock_sched_held+0x14f/0x180
[  314.534516]  __do_softirq+0x308/0xb7e
[  314.538324]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  314.542823]  ? lock_downgrade+0x900/0x900
[  314.546979]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  314.552089]  ? pvclock_read_flags+0x160/0x160
[  314.556591]  ? lapic_next_event+0x5a/0x90
[  314.560747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.566296]  ? kvm_clock_read+0x18/0x30
[  314.570282]  ? kvm_sched_clock_read+0x9/0x20
[  314.574693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.580237]  ? check_preemption_disabled+0x48/0x280
[  314.585289]  irq_exit+0x17f/0x1c0
[  314.588748]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.593591]  ? smp_reschedule_interrupt+0x109/0x650
[  314.598607]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.604493]  ? interrupt_entry+0xb5/0xc0
[  314.608556]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.613574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.618592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.623436]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.628455]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.633471]  ? task_prio+0x50/0x50
[  314.637012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.642553]  ? check_preemption_disabled+0x48/0x280
[  314.647575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.652428]  apic_timer_interrupt+0xf/0x20
[  314.656658]  </IRQ>
[  314.658906] RIP: 0010:dump_stack+0x358/0x39d
[  314.663326] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  314.682236] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  314.689966] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  314.697239] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  314.704521] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  314.711796] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  314.719065] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  314.726363]  ? dump_stack+0x34f/0x39d
[  314.730179]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.735382]  ? mark_held_locks+0x130/0x130
[  314.739627]  ? mark_held_locks+0x130/0x130
[  314.743869]  dump_header+0x27b/0xf72
[  314.747600]  ? pagefault_out_of_memory+0x197/0x197
[  314.752541]  ? __lock_acquire+0x62f/0x4c20
[  314.756779]  ? percpu_ref_get_many+0x240/0x240
[  314.761365]  ? print_usage_bug+0xc0/0xc0
[  314.765434]  ? zap_class+0x640/0x640
[  314.769151]  ? print_usage_bug+0xc0/0xc0
[  314.773209]  ? print_usage_bug+0xc0/0xc0
[  314.777284]  ? zap_class+0x640/0x640
[  314.781003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.786546]  ? find_held_lock+0x36/0x1c0
[  314.790618]  ? mark_held_locks+0xc7/0x130
[  314.794773]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.799874]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.804981]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  314.809571]  ? trace_hardirqs_on+0xbd/0x310
[  314.813895]  ? kasan_check_read+0x11/0x20
[  314.818048]  ? ___ratelimit+0x3b4/0x672
[  314.822022]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.827124]  ? trace_hardirqs_on+0x310/0x310
[  314.831534]  ? lock_downgrade+0x900/0x900
[  314.835686]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.840788]  ? ___ratelimit+0x3b9/0x672
[  314.844764]  ? idr_get_free+0xf70/0xf70
[  314.848738]  ? find_held_lock+0x36/0x1c0
[  314.852813]  oom_kill_process.cold.27+0x10/0x903
[  314.857570]  ? zap_class+0x640/0x640
[  314.861298]  ? check_preemption_disabled+0x48/0x280
[  314.866321]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.871257]  ? kasan_check_read+0x11/0x20
[  314.875413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.880694]  ? oom_evaluate_task+0x540/0x540
[  314.885104]  ? find_held_lock+0x36/0x1c0
[  314.889177]  ? out_of_memory+0x974/0x1430
[  314.893326]  ? lock_downgrade+0x900/0x900
[  314.897480]  ? check_preemption_disabled+0x48/0x280
[  314.902504]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.907430]  ? kasan_check_read+0x11/0x20
[  314.911584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.916874]  ? rcu_softirq_qs+0x20/0x20
[  314.920855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.926393]  ? oom_evaluate_task+0x302/0x540
[  314.930810]  out_of_memory+0xa84/0x1430
[  314.934794]  ? oom_killer_disable+0x3a0/0x3a0
[  314.939295]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  314.944228]  ? __ww_mutex_check_waiters+0x160/0x160
[  314.949303]  __alloc_pages_slowpath+0x232c/0x2de0
[  314.954181]  ? warn_alloc+0x120/0x120
[  314.957983]  ? mark_held_locks+0x130/0x130
[  314.962223]  ? find_get_entry+0xaae/0x1120
[  314.966475]  ? filemap_map_pages+0x1a20/0x1a20
[  314.971067]  ? zap_class+0x640/0x640
[  314.974787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.980330]  ? check_preemption_disabled+0x48/0x280
[  314.985352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.990894]  ? should_fail+0x22d/0xd01
[  314.994785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.999897]  ? zap_class+0x640/0x640
[  315.003638]  ? __lock_is_held+0xb5/0x140
[  315.007710]  ? mark_held_locks+0x130/0x130
[  315.011949]  ? lock_release+0xa00/0xa00
[  315.015922]  ? perf_trace_sched_process_exec+0x860/0x860
[  315.021372]  ? xa_load+0x2ba/0x460
[  315.024912]  ? lock_downgrade+0x900/0x900
[  315.029068]  ? __might_sleep+0x95/0x190
[  315.033049]  __alloc_pages_nodemask+0xad8/0xea0
[  315.037724]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  315.042746]  ? __page_cache_alloc+0x191/0x5c0
[  315.047246]  ? xa_load+0x2e1/0x460
[  315.050816]  ? xa_clear_mark+0x40/0x40
[  315.054718]  ? zap_class+0x640/0x640
[  315.058438]  ? zap_class+0x640/0x640
[  315.062165]  ? zap_class+0x640/0x640
[  315.065884]  ? __do_page_cache_readahead+0x663/0x810
[  315.071003]  ? find_held_lock+0x36/0x1c0
[  315.075077]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  315.080622]  alloc_pages_current+0x173/0x350
[  315.085049]  __page_cache_alloc+0x38c/0x5c0
[  315.089383]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.094317]  ? kasan_check_read+0x11/0x20
[  315.098466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.103749]  ? generic_perform_write+0x6a0/0x6a0
[  315.108510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.114061]  ? check_preemption_disabled+0x48/0x280
[  315.119090]  filemap_fault+0x1595/0x25f0
[  315.123166]  ? __lock_page_or_retry+0xa00/0xa00
[  315.127844]  ? mark_held_locks+0x130/0x130
[  315.132092]  ? filemap_map_pages+0xd6b/0x1a20
[  315.136592]  ? lock_downgrade+0x900/0x900
[  315.140742]  ? check_preemption_disabled+0x48/0x280
[  315.145762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.150696]  ? kasan_check_read+0x11/0x20
[  315.154847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.160127]  ? rcu_softirq_qs+0x20/0x20
[  315.164115]  ? filemap_map_pages+0xd92/0x1a20
[  315.168628]  ? find_get_entries_tag+0x1400/0x1400
[  315.173507]  ? lock_acquire+0x1ed/0x520
[  315.177482]  ? ext4_filemap_fault+0x7a/0xad
[  315.181815]  ? lock_release+0xa00/0xa00
[  315.185790]  ? perf_trace_sched_process_exec+0x860/0x860
[  315.191242]  ? mark_held_locks+0x130/0x130
[  315.195491]  ? print_usage_bug+0xc0/0xc0
[  315.199558]  ? print_usage_bug+0xc0/0xc0
[  315.203635]  ? down_read+0x8d/0x120
[  315.207268]  ? ext4_filemap_fault+0x7a/0xad
[  315.211596]  ? __down_interruptible+0x700/0x700
[  315.216376]  ext4_filemap_fault+0x82/0xad
[  315.220531]  __do_fault+0x100/0x6b0
[  315.224166]  ? pmd_devmap_trans_unstable+0x220/0x220
[  315.229289]  ? mark_held_locks+0x130/0x130
[  315.233535]  ? mark_held_locks+0x130/0x130
[  315.237777]  ? hrtimer_forward+0x2a0/0x2a0
[  315.242011]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  315.246871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.252414]  __handle_mm_fault+0x3ea6/0x5be0
[  315.256834]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  315.261678]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.266784]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.271889]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  315.276474]  ? trace_hardirqs_on+0xbd/0x310
[  315.280796]  ? kasan_check_read+0x11/0x20
[  315.284945]  ? __free_object+0x173/0x340
[  315.289020]  ? zap_class+0x640/0x640
[  315.292731]  ? zap_class+0x640/0x640
[  315.296441]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.301549]  ? find_held_lock+0x36/0x1c0
[  315.305619]  ? handle_mm_fault+0x42a/0xc70
[  315.309859]  ? lock_downgrade+0x900/0x900
[  315.314008]  ? check_preemption_disabled+0x48/0x280
[  315.319027]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.323956]  ? kasan_check_read+0x11/0x20
[  315.328105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.333392]  ? rcu_softirq_qs+0x20/0x20
[  315.337367]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.342471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.348010]  ? check_preemption_disabled+0x48/0x280
[  315.353036]  handle_mm_fault+0x54f/0xc70
[  315.357103]  ? __handle_mm_fault+0x5be0/0x5be0
[  315.361691]  ? find_vma+0x34/0x190
[  315.365697]  __do_page_fault+0x5e8/0xe60
[  315.369761]  ? trace_hardirqs_off+0xb8/0x310
[  315.374184]  do_page_fault+0xf2/0x7e0
[  315.377994]  ? vmalloc_sync_all+0x30/0x30
[  315.382153]  ? error_entry+0x70/0xd0
[  315.385868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.390888]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.395822]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.400749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.405593]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.410614]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.416070]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.421102]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.426119]  ? page_fault+0x8/0x30
[  315.429662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.434505]  ? page_fault+0x8/0x30
[  315.438049]  page_fault+0x1e/0x30
[  315.441500] RIP: 0033:0x7f4afc2d3e40
[  315.445226] Code: Bad RIP value.
[  315.448593] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  315.453970] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  315.461238] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  315.468520] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  315.475787] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  315.483057] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  315.490359] warn_alloc_show_mem: 1 callbacks suppressed
[  315.490371] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  315.490373] Mem-Info:
[  315.490404] active_anon:57379 inactive_anon:189 isolated_anon:0
[  315.490404]  active_file:13 inactive_file:16 isolated_file:0
[  315.490404]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.490404]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  315.490404]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  315.490404]  free:13771 free_pcp:208 free_cma:0
[  315.495744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.503121] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.505519] Call Trace:
[  315.538395] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  315.547920]  <IRQ>
[  315.575398] lowmem_reserve[]: 0 2818 6321 6321
[  315.577993]  dump_stack+0x244/0x39d
[  315.604073] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  315.606226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.610776] lowmem_reserve[]: 0 0 3503 3503
[  315.614410]  warn_alloc.cold.116+0xb7/0x1bd
[  315.641979] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  315.647169]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.651458] lowmem_reserve[]: 0 0 0 0
[  315.655785]  ? lock_downgrade+0x900/0x900
[  315.684649] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  315.689494]  ? trace_hardirqs_off+0xb8/0x310
[  315.693266] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  315.697410]  ? trace_hardirqs_off+0xb8/0x310
[  315.710912] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  315.715322]  __alloc_pages_slowpath+0x2651/0x2de0
[  315.730730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  315.735152]  ? warn_alloc+0x120/0x120
[  315.749679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  315.754512]  ? print_usage_bug+0xc0/0xc0
[  315.763323] 273 total pagecache pages
[  315.767116]  ? warn_alloc+0x120/0x120
[  315.775671] 0 pages in swap cache
[  315.779716]  ? warn_alloc+0x120/0x120
[  315.783493] Swap cache stats: add 0, delete 0, find 0/0
[  315.787292]  ? print_usage_bug+0xc0/0xc0
[  315.790717] Free swap  = 0kB
[  315.794512]  ? print_usage_bug+0xc0/0xc0
[  315.799847] Total swap = 0kB
[  315.803903]  ? __lock_acquire+0x62f/0x4c20
[  315.806899] 1965979 pages RAM
[  315.810952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.813943] 0 pages HighMem/MovableOnly
[  315.818171]  ? should_fail+0x22d/0xd01
[  315.821261] 342853 pages reserved
[  315.826797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.830744] 0 pages cma reserved
[  315.834624]  ? __lock_acquire+0x62f/0x4c20
[  315.838127] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.843149]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.846578] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.850724]  ? __lock_acquire+0x62f/0x4c20
[  315.857193] cron cpuset=/ mems_allowed=0
[  315.862292]  ? should_fail+0x22d/0xd01
[  315.884150]  ? find_held_lock+0x36/0x1c0
[  315.888220]  ? mark_held_locks+0x130/0x130
[  315.892466]  ? mark_held_locks+0x130/0x130
[  315.896702]  ? zap_class+0x640/0x640
[  315.900419]  ? zap_class+0x640/0x640
[  315.904136]  ? print_usage_bug+0xc0/0xc0
[  315.908196]  ? do_raw_spin_unlock+0xa7/0x330
[  315.912603]  ? zap_class+0x640/0x640
[  315.916320]  ? print_usage_bug+0xc0/0xc0
[  315.920386]  ? wq_watchdog_touch+0x9c/0xfe
[  315.924625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.930168]  ? check_preemption_disabled+0x48/0x280
[  315.935195]  ? __lock_is_held+0xb5/0x140
[  315.939274]  __alloc_pages_nodemask+0xad8/0xea0
[  315.943944]  ? zap_class+0x640/0x640
[  315.947667]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  315.952693]  ? find_held_lock+0x36/0x1c0
[  315.956764]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.961449]  ? lock_downgrade+0x900/0x900
[  315.965604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.971175]  cache_grow_begin+0xa5/0x8c0
[  315.975240]  ? do_raw_spin_unlock+0xa7/0x330
[  315.979668]  fallback_alloc+0x204/0x2e0
[  315.983653]  ____cache_alloc_node+0x1c7/0x1e0
[  315.988156]  kmem_cache_alloc_node+0xe3/0x730
[  315.992651]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.996896]  __alloc_skb+0x119/0x770
[  316.000608]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.005892]  ? netdev_alloc_frag+0x1f0/0x1f0
[  316.010299]  ? lock_downgrade+0x900/0x900
[  316.014458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.020004]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.025458]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.030913]  ? addrconf_rs_timer+0x690/0x690
[  316.035333]  ndisc_alloc_skb+0x144/0x340
[  316.039400]  ndisc_send_rs+0x331/0x6e0
[  316.043296]  addrconf_rs_timer+0x314/0x690
[  316.047536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.051786]  call_timer_fn+0x272/0x920
[  316.055670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.059903]  ? process_timeout+0x40/0x40
[  316.063972]  ? __run_timers+0x7da/0xc70
[  316.067946]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.072441]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.076932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.081170]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.085755]  ? trace_hardirqs_on+0xbd/0x310
[  316.090087]  ? kasan_check_read+0x11/0x20
[  316.094233]  ? __run_timers+0x7da/0xc70
[  316.098214]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.103325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.107567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.111806]  __run_timers+0x7e5/0xc70
[  316.115619]  ? timer_fixup_init+0x70/0x70
[  316.119770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.124799]  ? zap_class+0x640/0x640
[  316.128515]  ? enqueue_hrtimer+0x1a5/0x560
[  316.132749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.137952]  ? find_held_lock+0x36/0x1c0
[  316.142021]  ? zap_class+0x640/0x640
[  316.145740]  ? pvclock_read_flags+0x160/0x160
[  316.150242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.155800]  ? check_preemption_disabled+0x48/0x280
[  316.160843]  ? __lock_is_held+0xb5/0x140
[  316.164908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.170447]  ? check_preemption_disabled+0x48/0x280
[  316.175470]  run_timer_softirq+0x52/0xb0
[  316.179536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  316.184557]  __do_softirq+0x308/0xb7e
[  316.188361]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  316.192853]  ? lock_downgrade+0x900/0x900
[  316.197010]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  316.202121]  ? pvclock_read_flags+0x160/0x160
[  316.206631]  ? lapic_next_event+0x5a/0x90
[  316.210790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.216338]  ? kvm_clock_read+0x18/0x30
[  316.220312]  ? kvm_sched_clock_read+0x9/0x20
[  316.224723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.230270]  ? check_preemption_disabled+0x48/0x280
[  316.235300]  irq_exit+0x17f/0x1c0
[  316.238756]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.243604]  ? smp_reschedule_interrupt+0x109/0x650
[  316.248619]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.254503]  ? interrupt_entry+0xb5/0xc0
[  316.258567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.263585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.268607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.273449]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.278461]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.283478]  ? task_prio+0x50/0x50
[  316.287022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.292560]  ? check_preemption_disabled+0x48/0x280
[  316.297582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.302434]  apic_timer_interrupt+0xf/0x20
[  316.306664]  </IRQ>
[  316.308917] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.313850] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  316.332759] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  316.340480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.347748] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  316.355017] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  316.362287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.369724] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  316.377035]  skb_clone+0x1bb/0x500
[  316.380576]  ? finish_task_switch+0x1b4/0x910
[  316.385071]  ? skb_split+0x11e0/0x11e0
[  316.388961]  ? preempt_notifier_register+0x200/0x200
[  316.394068]  ? __switch_to_asm+0x34/0x70
[  316.398131]  ? __switch_to_asm+0x34/0x70
[  316.402187]  ? __switch_to_asm+0x40/0x70
[  316.406246]  ? __switch_to_asm+0x34/0x70
[  316.410314]  ? __switch_to_asm+0x40/0x70
[  316.414371]  ? __switch_to_asm+0x34/0x70
[  316.418427]  ? __switch_to_asm+0x40/0x70
[  316.422482]  ? __switch_to_asm+0x34/0x70
[  316.426542]  ? __switch_to_asm+0x34/0x70
[  316.430604]  ? __switch_to_asm+0x40/0x70
[  316.434663]  ? __switch_to_asm+0x34/0x70
[  316.438727]  bpf_clone_redirect+0xb9/0x490
[  316.442968]  ? __schedule+0x8d7/0x21d0
[  316.446891]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  316.451910]  ? __sched_text_start+0x8/0x8
[  316.456060]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.460818]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.465396]  ? retint_kernel+0x2d/0x2d
[  316.469291]  ? find_held_lock+0x36/0x1c0
[  316.473360]  ? lock_acquire+0x1ed/0x520
[  316.477336]  ? bpf_test_run+0x3ee/0x7a0
[  316.481310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.486853]  ? check_preemption_disabled+0x48/0x280
[  316.491877]  ? kasan_check_read+0x11/0x20
[  316.496548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.501825]  ? rcu_softirq_qs+0x20/0x20
[  316.505809]  ? preempt_schedule+0x4d/0x60
[  316.509959]  ? ___preempt_schedule+0x16/0x18
[  316.514376]  ? bpf_test_run+0x271/0x7a0
[  316.518367]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.522788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.528328]  ? bpf_test_init.isra.10+0x70/0x100
[  316.533003]  ? bpf_prog_test_run_skb+0x762/0xd60
[  316.537767]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.542627]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.548163]  ? fput+0x130/0x1a0
[  316.551443]  ? __bpf_prog_get+0x9b/0x290
[  316.555511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.560353]  ? bpf_prog_test_run+0x130/0x1a0
[  316.564764]  ? __x64_sys_bpf+0x3d8/0x520
[  316.568835]  ? bpf_prog_get+0x20/0x20
[  316.572650]  ? do_syscall_64+0x1e1/0x820
[  316.576721]  ? do_syscall_64+0x1b9/0x820
[  316.580786]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  316.586157]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.591084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.595930]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.600959]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  316.606003]  ? prepare_exit_to_usermode+0x291/0x3b0
[  316.611039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.615890]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  316.621296] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  316.621381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.627806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.627812] Call Trace:
[  316.627818]  <IRQ>
[  316.627837]  dump_stack+0x244/0x39d
[  316.627856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  316.634389] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.643689]  warn_alloc.cold.116+0xb7/0x1bd
[  316.646242] syz-executor5 cpuset=syz5 mems_allowed=0
[  316.648400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.681900]  ? lock_downgrade+0x900/0x900
[  316.686057]  ? trace_hardirqs_off+0xb8/0x310
[  316.690476]  ? trace_hardirqs_off+0xb8/0x310
[  316.694896]  __alloc_pages_slowpath+0x2651/0x2de0
[  316.699770]  ? warn_alloc+0x120/0x120
[  316.703586]  ? print_usage_bug+0xc0/0xc0
[  316.707678]  ? warn_alloc+0x120/0x120
[  316.711482]  ? warn_alloc+0x120/0x120
[  316.715291]  ? print_usage_bug+0xc0/0xc0
[  316.719351]  ? kvm_clock_read+0x18/0x30
[  316.723327]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  316.728343]  ? print_usage_bug+0xc0/0xc0
[  316.732405]  ? __lock_acquire+0x62f/0x4c20
[  316.736645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.742183]  ? should_fail+0x22d/0xd01
[  316.746068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.751347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.756449]  ? __lock_acquire+0x62f/0x4c20
[  316.760688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.765791]  ? __lock_acquire+0x62f/0x4c20
[  316.770027]  ? should_fail+0x22d/0xd01
[  316.773954]  ? rcu_irq_exit+0x1a2/0x390
[  316.777937]  ? mark_held_locks+0x130/0x130
[  316.782179]  ? mark_held_locks+0x130/0x130
[  316.786418]  ? mark_held_locks+0xc7/0x130
[  316.790569]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  316.795582]  ? zap_class+0x640/0x640
[  316.799303]  ? print_usage_bug+0xc0/0xc0
[  316.803366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.808903]  ? check_preemption_disabled+0x48/0x280
[  316.813928]  ? __lock_is_held+0xb5/0x140
[  316.817996]  __alloc_pages_nodemask+0xad8/0xea0
[  316.822663]  ? zap_class+0x640/0x640
[  316.826383]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  316.831409]  ? find_held_lock+0x36/0x1c0
[  316.835482]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.840156]  ? lock_downgrade+0x900/0x900
[  316.844313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.849853]  cache_grow_begin+0xa5/0x8c0
[  316.853912]  ? do_raw_spin_unlock+0xa7/0x330
[  316.858332]  fallback_alloc+0x204/0x2e0
[  316.862311]  ____cache_alloc_node+0x1c7/0x1e0
[  316.866810]  kmem_cache_alloc_node+0xe3/0x730
[  316.871310]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.875562]  __alloc_skb+0x119/0x770
[  316.879291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.884574]  ? netdev_alloc_frag+0x1f0/0x1f0
[  316.888981]  ? lock_downgrade+0x900/0x900
[  316.893135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.898672]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.904127]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.909582]  ? addrconf_rs_timer+0x690/0x690
[  316.914001]  ndisc_alloc_skb+0x144/0x340
[  316.918070]  ndisc_send_rs+0x331/0x6e0
[  316.921972]  addrconf_rs_timer+0x314/0x690
[  316.926209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.930458]  call_timer_fn+0x272/0x920
[  316.934347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.938582]  ? process_timeout+0x40/0x40
[  316.942652]  ? mark_held_locks+0xc7/0x130
[  316.946801]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.951299]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.955789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.960028]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.964614]  ? trace_hardirqs_on+0xbd/0x310
[  316.968933]  ? kasan_check_read+0x11/0x20
[  316.973080]  ? __run_timers+0x7da/0xc70
[  316.977055]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.982166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.986406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.990638]  __run_timers+0x7e5/0xc70
[  316.994447]  ? timer_fixup_init+0x70/0x70
[  316.998593]  ? kasan_check_read+0x11/0x20
[  317.002738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.008015]  ? rcu_softirq_qs+0x20/0x20
[  317.011997]  ? mark_held_locks+0xc7/0x130
[  317.016146]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.020906]  ? retint_kernel+0x2d/0x2d
[  317.024792]  ? trace_hardirqs_on_caller+0xc0/0x310
[  317.029720]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.034478]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.039929]  ? zap_class+0x640/0x640
[  317.043649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.049187]  ? check_preemption_disabled+0x48/0x280
[  317.054235]  ? __lock_is_held+0xb5/0x140
[  317.058311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.063849]  ? check_preemption_disabled+0x48/0x280
[  317.068873]  run_timer_softirq+0x52/0xb0
[  317.072932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  317.077953]  __do_softirq+0x308/0xb7e
[  317.081756]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  317.086257]  ? lock_downgrade+0x900/0x900
[  317.090411]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  317.095525]  ? pvclock_read_flags+0x160/0x160
[  317.100024]  ? lapic_next_event+0x5a/0x90
[  317.104171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.109715]  ? kvm_clock_read+0x18/0x30
[  317.113688]  ? kvm_sched_clock_read+0x9/0x20
[  317.118097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.123636]  ? check_preemption_disabled+0x48/0x280
[  317.128663]  irq_exit+0x17f/0x1c0
[  317.132116]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.136956]  ? smp_reschedule_interrupt+0x109/0x650
[  317.141971]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.147859]  ? interrupt_entry+0xb5/0xc0
[  317.151925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.156939]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.161958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.166803]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.171821]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.176835]  ? task_prio+0x50/0x50
[  317.180378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.185920]  ? check_preemption_disabled+0x48/0x280
[  317.190940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.195792]  apic_timer_interrupt+0xf/0x20
[  317.200019]  </IRQ>
[  317.202266] RIP: 0010:dump_stack+0x358/0x39d
[  317.206681] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  317.225580] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  317.233289] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  317.240558] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  317.247827] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  317.255091] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  317.262358] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  317.269651]  ? dump_stack+0x34f/0x39d
[  317.273465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.278661]  ? mark_held_locks+0x130/0x130
[  317.282936]  ? mark_held_locks+0x130/0x130
[  317.287177]  dump_header+0x27b/0xf72
[  317.290906]  ? pagefault_out_of_memory+0x197/0x197
[  317.295842]  ? __lock_acquire+0x62f/0x4c20
[  317.300078]  ? percpu_ref_get_many+0x240/0x240
[  317.304661]  ? print_usage_bug+0xc0/0xc0
[  317.308726]  ? zap_class+0x640/0x640
[  317.312444]  ? print_usage_bug+0xc0/0xc0
[  317.316504]  ? print_usage_bug+0xc0/0xc0
[  317.320570]  ? zap_class+0x640/0x640
[  317.324294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.330097]  ? find_held_lock+0x36/0x1c0
[  317.334166]  ? mark_held_locks+0xc7/0x130
[  317.338320]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.343424]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.348527]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.353112]  ? trace_hardirqs_on+0xbd/0x310
[  317.357433]  ? kasan_check_read+0x11/0x20
[  317.361580]  ? ___ratelimit+0x3b4/0x672
[  317.366043]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.371146]  ? trace_hardirqs_on+0x310/0x310
[  317.375553]  ? lock_downgrade+0x900/0x900
[  317.379705]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.384808]  ? ___ratelimit+0x3b9/0x672
[  317.388782]  ? idr_get_free+0xf70/0xf70
[  317.392754]  ? find_held_lock+0x36/0x1c0
[  317.396826]  oom_kill_process.cold.27+0x10/0x903
[  317.401584]  ? zap_class+0x640/0x640
[  317.405304]  ? check_preemption_disabled+0x48/0x280
[  317.410321]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.415259]  ? kasan_check_read+0x11/0x20
[  317.419409]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.424688]  ? oom_evaluate_task+0x540/0x540
[  317.429109]  ? find_held_lock+0x36/0x1c0
[  317.433177]  ? out_of_memory+0x974/0x1430
[  317.437326]  ? lock_downgrade+0x900/0x900
[  317.441478]  ? check_preemption_disabled+0x48/0x280
[  317.446496]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.451428]  ? kasan_check_read+0x11/0x20
[  317.455577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.460856]  ? rcu_softirq_qs+0x20/0x20
[  317.464840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.470372]  ? oom_evaluate_task+0x302/0x540
[  317.474785]  out_of_memory+0xa84/0x1430
[  317.478769]  ? oom_killer_disable+0x3a0/0x3a0
[  317.483278]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  317.488217]  ? __ww_mutex_check_waiters+0x160/0x160
[  317.493258]  __alloc_pages_slowpath+0x232c/0x2de0
[  317.498134]  ? warn_alloc+0x120/0x120
[  317.501935]  ? mark_held_locks+0x130/0x130
[  317.506178]  ? find_get_entry+0xaae/0x1120
[  317.510421]  ? filemap_map_pages+0x1a20/0x1a20
[  317.515008]  ? zap_class+0x640/0x640
[  317.518733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.524285]  ? check_preemption_disabled+0x48/0x280
[  317.529310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.534851]  ? should_fail+0x22d/0xd01
[  317.538741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.543847]  ? zap_class+0x640/0x640
[  317.547590]  ? __lock_is_held+0xb5/0x140
[  317.551660]  ? mark_held_locks+0x130/0x130
[  317.555897]  ? lock_release+0xa00/0xa00
[  317.559874]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.565326]  ? xa_load+0x2ba/0x460
[  317.568868]  ? lock_downgrade+0x900/0x900
[  317.573021]  ? __might_sleep+0x95/0x190
[  317.577002]  __alloc_pages_nodemask+0xad8/0xea0
[  317.581696]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  317.586719]  ? __page_cache_alloc+0x191/0x5c0
[  317.591212]  ? xa_load+0x2e1/0x460
[  317.594752]  ? xa_clear_mark+0x40/0x40
[  317.598639]  ? zap_class+0x640/0x640
[  317.602363]  ? zap_class+0x640/0x640
[  317.606074]  ? zap_class+0x640/0x640
[  317.609787]  ? __do_page_cache_readahead+0x663/0x810
[  317.614894]  ? find_held_lock+0x36/0x1c0
[  317.618961]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.624504]  alloc_pages_current+0x173/0x350
[  317.628919]  __page_cache_alloc+0x38c/0x5c0
[  317.633237]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.638180]  ? kasan_check_read+0x11/0x20
[  317.642325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.647607]  ? generic_perform_write+0x6a0/0x6a0
[  317.652370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.657907]  ? check_preemption_disabled+0x48/0x280
[  317.662928]  filemap_fault+0x1595/0x25f0
[  317.667003]  ? __lock_page_or_retry+0xa00/0xa00
[  317.671677]  ? mark_held_locks+0x130/0x130
[  317.675921]  ? filemap_map_pages+0xd6b/0x1a20
[  317.680416]  ? lock_downgrade+0x900/0x900
[  317.684570]  ? check_preemption_disabled+0x48/0x280
[  317.689587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.694515]  ? kasan_check_read+0x11/0x20
[  317.698663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.703939]  ? rcu_softirq_qs+0x20/0x20
[  317.707972]  ? filemap_map_pages+0xd92/0x1a20
[  317.712482]  ? find_get_entries_tag+0x1400/0x1400
[  317.717522]  ? lock_acquire+0x1ed/0x520
[  317.721494]  ? ext4_filemap_fault+0x7a/0xad
[  317.725826]  ? lock_release+0xa00/0xa00
[  317.729807]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.735269]  ? mark_held_locks+0x130/0x130
[  317.739510]  ? print_usage_bug+0xc0/0xc0
[  317.743575]  ? print_usage_bug+0xc0/0xc0
[  317.747652]  ? down_read+0x8d/0x120
[  317.751288]  ? ext4_filemap_fault+0x7a/0xad
[  317.755614]  ? __down_interruptible+0x700/0x700
[  317.760298]  ext4_filemap_fault+0x82/0xad
[  317.764449]  __do_fault+0x100/0x6b0
[  317.768084]  ? pmd_devmap_trans_unstable+0x220/0x220
[  317.773203]  ? mark_held_locks+0x130/0x130
[  317.777439]  ? mark_held_locks+0x130/0x130
[  317.781680]  ? hrtimer_forward+0x2a0/0x2a0
[  317.785916]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  317.790761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.796312]  __handle_mm_fault+0x3ea6/0x5be0
[  317.800734]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  317.805582]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.810690]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.815798]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.820384]  ? trace_hardirqs_on+0xbd/0x310
[  317.824707]  ? kasan_check_read+0x11/0x20
[  317.828858]  ? __free_object+0x173/0x340
[  317.832932]  ? zap_class+0x640/0x640
[  317.836646]  ? zap_class+0x640/0x640
[  317.840530]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.845639]  ? find_held_lock+0x36/0x1c0
[  317.849710]  ? handle_mm_fault+0x42a/0xc70
[  317.853945]  ? lock_downgrade+0x900/0x900
[  317.858098]  ? check_preemption_disabled+0x48/0x280
[  317.863121]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.868054]  ? kasan_check_read+0x11/0x20
[  317.872202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.877477]  ? rcu_softirq_qs+0x20/0x20
[  317.881453]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.886558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.892099]  ? check_preemption_disabled+0x48/0x280
[  317.897124]  handle_mm_fault+0x54f/0xc70
[  317.901192]  ? __handle_mm_fault+0x5be0/0x5be0
[  317.905782]  ? find_vma+0x34/0x190
[  317.909328]  __do_page_fault+0x5e8/0xe60
[  317.913387]  ? trace_hardirqs_off+0xb8/0x310
[  317.917804]  do_page_fault+0xf2/0x7e0
[  317.921611]  ? vmalloc_sync_all+0x30/0x30
[  317.925758]  ? error_entry+0x70/0xd0
[  317.929472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.934491]  ? trace_hardirqs_on_caller+0xc0/0x310
[  317.939419]  ? syscall_return_slowpath+0x5e0/0x5e0
[  317.944350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.949194]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.954210]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.959660]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  317.964681]  ? prepare_exit_to_usermode+0x291/0x3b0
[  317.969698]  ? page_fault+0x8/0x30
[  317.973246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.978110]  ? page_fault+0x8/0x30
[  317.981649]  page_fault+0x1e/0x30
[  317.985103] RIP: 0033:0x7f4afc2d3e40
[  317.988825] Code: Bad RIP value.
[  317.992185] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  317.997544] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  318.004813] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  318.012083] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  318.019352] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  318.026621] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  318.033921] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  318.033927] warn_alloc_show_mem: 1 callbacks suppressed
[  318.033934] Mem-Info:
[  318.041317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.046683] active_anon:57379 inactive_anon:189 isolated_anon:0
[  318.046683]  active_file:13 inactive_file:16 isolated_file:0
[  318.046683]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.046683]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  318.046683]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  318.046683]  free:13771 free_pcp:208 free_cma:0
[  318.049054] Call Trace:
[  318.058442] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.091291]  <IRQ>
[  318.093865] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  318.121371]  dump_stack+0x244/0x39d
[  318.123499] lowmem_reserve[]: 0 2818 6321 6321
[  318.149617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.153222] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  318.157807]  warn_alloc.cold.116+0xb7/0x1bd
[  318.162964] lowmem_reserve[]: 0 0 3503 3503
[  318.190547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.194841] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  318.199153]  ? lock_downgrade+0x900/0x900
[  318.203967] lowmem_reserve[]: 0 0 0 0
[  318.232854]  ? trace_hardirqs_off+0xb8/0x310
[  318.236977] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  318.240783]  ? trace_hardirqs_off+0xb8/0x310
[  318.245162] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  318.258685]  __alloc_pages_slowpath+0x2651/0x2de0
[  318.263063] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  318.278511]  ? warn_alloc+0x120/0x120
[  318.283316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.297869]  ? print_usage_bug+0xc0/0xc0
[  318.301651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.310476]  ? warn_alloc+0x120/0x120
[  318.314514] 273 total pagecache pages
[  318.323089]  ? warn_alloc+0x120/0x120
[  318.326869] 0 pages in swap cache
[  318.330657]  ? print_usage_bug+0xc0/0xc0
[  318.334435] Swap cache stats: add 0, delete 0, find 0/0
[  318.337877]  ? print_usage_bug+0xc0/0xc0
[  318.341917] Free swap  = 0kB
[  318.347279]  ? __lock_acquire+0x62f/0x4c20
[  318.351321] Total swap = 0kB
[  318.354336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.358546] 1965979 pages RAM
[  318.361562]  ? should_fail+0x22d/0xd01
[  318.367525] 0 pages HighMem/MovableOnly
[  318.367535] 342853 pages reserved
[  318.370643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.374502] 0 pages cma reserved
[  318.378466]  ? __lock_acquire+0x62f/0x4c20
[  318.381952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.386984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.386998]  ? __lock_acquire+0x62f/0x4c20
[  318.387014]  ? should_fail+0x22d/0xd01
[  318.390427] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.394593]  ? find_held_lock+0x36/0x1c0
[  318.401063] cron cpuset=/ mems_allowed=0
[  318.406165]  ? mark_held_locks+0x130/0x130
[  318.436270]  ? mark_held_locks+0x130/0x130
[  318.440506]  ? zap_class+0x640/0x640
[  318.444217]  ? zap_class+0x640/0x640
[  318.447937]  ? print_usage_bug+0xc0/0xc0
[  318.452007]  ? do_raw_spin_unlock+0xa7/0x330
[  318.456587]  ? zap_class+0x640/0x640
[  318.460301]  ? print_usage_bug+0xc0/0xc0
[  318.464361]  ? wq_watchdog_touch+0x9c/0xfe
[  318.468598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.474138]  ? check_preemption_disabled+0x48/0x280
[  318.479169]  ? __lock_is_held+0xb5/0x140
[  318.483239]  __alloc_pages_nodemask+0xad8/0xea0
[  318.487915]  ? zap_class+0x640/0x640
[  318.491635]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  318.497189]  ? find_held_lock+0x36/0x1c0
[  318.501267]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.505942]  ? lock_downgrade+0x900/0x900
[  318.510113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.515659]  cache_grow_begin+0xa5/0x8c0
[  318.519718]  ? do_raw_spin_unlock+0xa7/0x330
[  318.524133]  fallback_alloc+0x204/0x2e0
[  318.528118]  ____cache_alloc_node+0x1c7/0x1e0
[  318.532617]  kmem_cache_alloc_node+0xe3/0x730
[  318.537113]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.541359]  __alloc_skb+0x119/0x770
[  318.545070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.550350]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.554755]  ? lock_downgrade+0x900/0x900
[  318.558916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.564452]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.569905]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.575354]  ? addrconf_rs_timer+0x690/0x690
[  318.579776]  ndisc_alloc_skb+0x144/0x340
[  318.583841]  ndisc_send_rs+0x331/0x6e0
[  318.587733]  addrconf_rs_timer+0x314/0x690
[  318.591974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.596216]  call_timer_fn+0x272/0x920
[  318.600101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.604334]  ? process_timeout+0x40/0x40
[  318.608401]  ? __run_timers+0x7da/0xc70
[  318.612376]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.616869]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.621357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.625595]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.630181]  ? trace_hardirqs_on+0xbd/0x310
[  318.634530]  ? kasan_check_read+0x11/0x20
[  318.638680]  ? __run_timers+0x7da/0xc70
[  318.642656]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.647775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.652018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.656259]  __run_timers+0x7e5/0xc70
[  318.660070]  ? timer_fixup_init+0x70/0x70
[  318.664262]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.669301]  ? zap_class+0x640/0x640
[  318.673020]  ? enqueue_hrtimer+0x1a5/0x560
[  318.677296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.682508]  ? find_held_lock+0x36/0x1c0
[  318.686572]  ? zap_class+0x640/0x640
[  318.690290]  ? pvclock_read_flags+0x160/0x160
[  318.694790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.700331]  ? check_preemption_disabled+0x48/0x280
[  318.705356]  ? __lock_is_held+0xb5/0x140
[  318.709424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.714961]  ? check_preemption_disabled+0x48/0x280
[  318.719985]  run_timer_softirq+0x52/0xb0
[  318.724049]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.729066]  __do_softirq+0x308/0xb7e
[  318.732873]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.737366]  ? lock_downgrade+0x900/0x900
[  318.741518]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.746631]  ? pvclock_read_flags+0x160/0x160
[  318.751126]  ? lapic_next_event+0x5a/0x90
[  318.755282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.760823]  ? kvm_clock_read+0x18/0x30
[  318.764827]  ? kvm_sched_clock_read+0x9/0x20
[  318.769235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.774790]  ? check_preemption_disabled+0x48/0x280
[  318.779815]  irq_exit+0x17f/0x1c0
[  318.783274]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.788130]  ? smp_reschedule_interrupt+0x109/0x650
[  318.793150]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.799034]  ? interrupt_entry+0xb5/0xc0
[  318.803099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.808111]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.813126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.818001]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.823017]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.828035]  ? task_prio+0x50/0x50
[  318.831581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.837120]  ? check_preemption_disabled+0x48/0x280
[  318.842147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.846999]  apic_timer_interrupt+0xf/0x20
[  318.851225]  </IRQ>
[  318.853472] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.858400] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  318.877300] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.885009] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  318.892284] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  318.899553] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  318.906833] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  318.914097] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  318.921404]  skb_clone+0x1bb/0x500
[  318.924945]  ? finish_task_switch+0x1b4/0x910
[  318.929443]  ? skb_split+0x11e0/0x11e0
[  318.933334]  ? preempt_notifier_register+0x200/0x200
[  318.938432]  ? __switch_to_asm+0x34/0x70
[  318.942488]  ? __switch_to_asm+0x34/0x70
[  318.946545]  ? __switch_to_asm+0x40/0x70
[  318.950606]  ? __switch_to_asm+0x34/0x70
[  318.954667]  ? __switch_to_asm+0x40/0x70
[  318.958724]  ? __switch_to_asm+0x34/0x70
[  318.962787]  ? __switch_to_asm+0x40/0x70
[  318.966844]  ? __switch_to_asm+0x34/0x70
[  318.970904]  ? __switch_to_asm+0x34/0x70
[  318.974970]  ? __switch_to_asm+0x40/0x70
[  318.979026]  ? __switch_to_asm+0x34/0x70
[  318.983105]  bpf_clone_redirect+0xb9/0x490
[  318.987345]  ? __schedule+0x8d7/0x21d0
[  318.991262]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  318.996292]  ? __sched_text_start+0x8/0x8
[  319.000444]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.005206]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  319.009787]  ? retint_kernel+0x2d/0x2d
[  319.013678]  ? find_held_lock+0x36/0x1c0
[  319.017746]  ? lock_acquire+0x1ed/0x520
[  319.021727]  ? bpf_test_run+0x3ee/0x7a0
[  319.025707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.031258]  ? check_preemption_disabled+0x48/0x280
[  319.036291]  ? kasan_check_read+0x11/0x20
[  319.040443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.045716]  ? rcu_softirq_qs+0x20/0x20
[  319.049691]  ? preempt_schedule+0x4d/0x60
[  319.053858]  ? ___preempt_schedule+0x16/0x18
[  319.058280]  ? bpf_test_run+0x271/0x7a0
[  319.062275]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.066690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.072224]  ? bpf_test_init.isra.10+0x70/0x100
[  319.076907]  ? bpf_prog_test_run_skb+0x762/0xd60
[  319.081673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  319.086521]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.092056]  ? fput+0x130/0x1a0
[  319.095336]  ? __bpf_prog_get+0x9b/0x290
[  319.099401]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  319.104244]  ? bpf_prog_test_run+0x130/0x1a0
[  319.108667]  ? __x64_sys_bpf+0x3d8/0x520
[  319.112729]  ? bpf_prog_get+0x20/0x20
[  319.116546]  ? do_syscall_64+0x1e1/0x820
[  319.120613]  ? do_syscall_64+0x1b9/0x820
[  319.124674]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.130042]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.134970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.139814]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.144832]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.149848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  319.154884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.159727]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.165109] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  319.165178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.171607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.171616] Call Trace:
[  319.178177] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.187435]  <IRQ>
[  319.190004] syz-executor5 cpuset=syz5 mems_allowed=0
[  319.200482]  dump_stack+0x244/0x39d
[  319.211347]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.216551]  warn_alloc.cold.116+0xb7/0x1bd
[  319.220873]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.225719]  ? lock_downgrade+0x900/0x900
[  319.229876]  ? trace_hardirqs_off+0xb8/0x310
[  319.234296]  ? trace_hardirqs_off+0xb8/0x310
[  319.238712]  __alloc_pages_slowpath+0x2651/0x2de0
[  319.243583]  ? warn_alloc+0x120/0x120
[  319.247390]  ? print_usage_bug+0xc0/0xc0
[  319.251468]  ? warn_alloc+0x120/0x120
[  319.255284]  ? warn_alloc+0x120/0x120
[  319.259090]  ? print_usage_bug+0xc0/0xc0
[  319.263153]  ? print_usage_bug+0xc0/0xc0
[  319.267213]  ? __lock_acquire+0x62f/0x4c20
[  319.271454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.276994]  ? should_fail+0x22d/0xd01
[  319.280889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.285991]  ? __lock_acquire+0x62f/0x4c20
[  319.290228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.295348]  ? __lock_acquire+0x62f/0x4c20
[  319.299592]  ? should_fail+0x22d/0xd01
[  319.303476]  ? find_held_lock+0x36/0x1c0
[  319.307550]  ? mark_held_locks+0x130/0x130
[  319.311789]  ? mark_held_locks+0x130/0x130
[  319.316023]  ? zap_class+0x640/0x640
[  319.319740]  ? zap_class+0x640/0x640
[  319.323454]  ? print_usage_bug+0xc0/0xc0
[  319.327512]  ? do_raw_spin_unlock+0xa7/0x330
[  319.331926]  ? zap_class+0x640/0x640
[  319.335637]  ? print_usage_bug+0xc0/0xc0
[  319.339695]  ? wq_watchdog_touch+0x9c/0xfe
[  319.343961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.349518]  ? check_preemption_disabled+0x48/0x280
[  319.354543]  ? __lock_is_held+0xb5/0x140
[  319.358609]  __alloc_pages_nodemask+0xad8/0xea0
[  319.363287]  ? zap_class+0x640/0x640
[  319.367446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  319.372473]  ? find_held_lock+0x36/0x1c0
[  319.376542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.381214]  ? lock_downgrade+0x900/0x900
[  319.385368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.390910]  cache_grow_begin+0xa5/0x8c0
[  319.394974]  ? do_raw_spin_unlock+0xa7/0x330
[  319.399392]  fallback_alloc+0x204/0x2e0
[  319.403372]  ____cache_alloc_node+0x1c7/0x1e0
[  319.407871]  kmem_cache_alloc_node+0xe3/0x730
[  319.412372]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.416621]  __alloc_skb+0x119/0x770
[  319.420340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.425620]  ? netdev_alloc_frag+0x1f0/0x1f0
[  319.430031]  ? lock_downgrade+0x900/0x900
[  319.434202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.439740]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.445196]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.450646]  ? addrconf_rs_timer+0x690/0x690
[  319.455067]  ndisc_alloc_skb+0x144/0x340
[  319.459135]  ndisc_send_rs+0x331/0x6e0
[  319.463028]  addrconf_rs_timer+0x314/0x690
[  319.467285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.471532]  call_timer_fn+0x272/0x920
[  319.475418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.479653]  ? process_timeout+0x40/0x40
[  319.483731]  ? mark_held_locks+0xc7/0x130
[  319.487882]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.492374]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.496866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.501101]  ? lockdep_hardirqs_on+0x296/0x5b0
[  319.505683]  ? trace_hardirqs_on+0xbd/0x310
[  319.510002]  ? kasan_check_read+0x11/0x20
[  319.514146]  ? __run_timers+0x7da/0xc70
[  319.518120]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.523231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.527476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.531711]  __run_timers+0x7e5/0xc70
[  319.535520]  ? timer_fixup_init+0x70/0x70
[  319.539669]  ? kasan_check_read+0x11/0x20
[  319.543815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.549090]  ? rcu_softirq_qs+0x20/0x20
[  319.553070]  ? mark_held_locks+0xc7/0x130
[  319.557222]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.561984]  ? retint_kernel+0x2d/0x2d
[  319.565885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  319.570814]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.575570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.581020]  ? zap_class+0x640/0x640
[  319.584739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.590291]  ? check_preemption_disabled+0x48/0x280
[  319.595320]  ? __lock_is_held+0xb5/0x140
[  319.599383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.604923]  ? check_preemption_disabled+0x48/0x280
[  319.609949]  run_timer_softirq+0x52/0xb0
[  319.614010]  ? rcu_read_lock_sched_held+0x14f/0x180
[  319.619028]  __do_softirq+0x308/0xb7e
[  319.622832]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  319.627330]  ? lock_downgrade+0x900/0x900
[  319.631485]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  319.636597]  ? pvclock_read_flags+0x160/0x160
[  319.641093]  ? lapic_next_event+0x5a/0x90
[  319.645261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.650809]  ? kvm_clock_read+0x18/0x30
[  319.654783]  ? kvm_sched_clock_read+0x9/0x20
[  319.659195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.664733]  ? check_preemption_disabled+0x48/0x280
[  319.669757]  irq_exit+0x17f/0x1c0
[  319.673216]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.678061]  ? smp_reschedule_interrupt+0x109/0x650
[  319.683083]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.688966]  ? interrupt_entry+0xb5/0xc0
[  319.693034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.698050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.703066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.707909]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.712923]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.717939]  ? task_prio+0x50/0x50
[  319.721481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.727021]  ? check_preemption_disabled+0x48/0x280
[  319.732043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.736898]  apic_timer_interrupt+0xf/0x20
[  319.741129]  </IRQ>
[  319.743373] RIP: 0010:dump_stack+0x358/0x39d
[  319.747798] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  319.766703] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  319.774408] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  319.781674] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  319.788939] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  319.796203] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  319.803470] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  319.810759]  ? dump_stack+0x34f/0x39d
[  319.814573]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.819769]  ? mark_held_locks+0x130/0x130
[  319.824004]  ? mark_held_locks+0x130/0x130
[  319.828242]  dump_header+0x27b/0xf72
[  319.831984]  ? pagefault_out_of_memory+0x197/0x197
[  319.836924]  ? __lock_acquire+0x62f/0x4c20
[  319.841163]  ? percpu_ref_get_many+0x240/0x240
[  319.845747]  ? print_usage_bug+0xc0/0xc0
[  319.849823]  ? zap_class+0x640/0x640
[  319.853541]  ? print_usage_bug+0xc0/0xc0
[  319.857604]  ? print_usage_bug+0xc0/0xc0
[  319.861668]  ? zap_class+0x640/0x640
[  319.865386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.870931]  ? find_held_lock+0x36/0x1c0
[  319.875001]  ? mark_held_locks+0xc7/0x130
[  319.879149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  319.884257]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  319.889369]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  319.893954]  ? trace_hardirqs_on+0xbd/0x310
[  319.898288]  ? kasan_check_read+0x11/0x20
[  319.902435]  ? ___ratelimit+0x3b4/0x672
[  319.906412]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.911520]  ? trace_hardirqs_on+0x310/0x310
[  319.915932]  ? lock_downgrade+0x900/0x900
[  319.920090]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.925196]  ? ___ratelimit+0x3b9/0x672
[  319.929172]  ? idr_get_free+0xf70/0xf70
[  319.933144]  ? find_held_lock+0x36/0x1c0
[  319.937213]  oom_kill_process.cold.27+0x10/0x903
[  319.941970]  ? zap_class+0x640/0x640
[  319.945688]  ? check_preemption_disabled+0x48/0x280
[  319.950708]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.955636]  ? kasan_check_read+0x11/0x20
[  319.959787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.965067]  ? oom_evaluate_task+0x540/0x540
[  319.969477]  ? find_held_lock+0x36/0x1c0
[  319.973548]  ? out_of_memory+0x974/0x1430
[  319.977696]  ? lock_downgrade+0x900/0x900
[  319.981844]  ? check_preemption_disabled+0x48/0x280
[  319.986861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.991789]  ? kasan_check_read+0x11/0x20
[  319.995937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.001210]  ? rcu_softirq_qs+0x20/0x20
[  320.005195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.010747]  ? oom_evaluate_task+0x302/0x540
[  320.015159]  out_of_memory+0xa84/0x1430
[  320.019142]  ? oom_killer_disable+0x3a0/0x3a0
[  320.023639]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  320.028570]  ? __ww_mutex_check_waiters+0x160/0x160
[  320.033603]  __alloc_pages_slowpath+0x232c/0x2de0
[  320.038474]  ? warn_alloc+0x120/0x120
[  320.042286]  ? mark_held_locks+0x130/0x130
[  320.046529]  ? find_get_entry+0xaae/0x1120
[  320.050771]  ? filemap_map_pages+0x1a20/0x1a20
[  320.055361]  ? zap_class+0x640/0x640
[  320.059081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.064623]  ? check_preemption_disabled+0x48/0x280
[  320.069639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.075180]  ? should_fail+0x22d/0xd01
[  320.079075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.084178]  ? zap_class+0x640/0x640
[  320.087919]  ? __lock_is_held+0xb5/0x140
[  320.091988]  ? mark_held_locks+0x130/0x130
[  320.096228]  ? lock_release+0xa00/0xa00
[  320.100211]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.105661]  ? xa_load+0x2ba/0x460
[  320.109200]  ? lock_downgrade+0x900/0x900
[  320.113356]  ? __might_sleep+0x95/0x190
[  320.117339]  __alloc_pages_nodemask+0xad8/0xea0
[  320.122017]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  320.127035]  ? __page_cache_alloc+0x191/0x5c0
[  320.131533]  ? xa_load+0x2e1/0x460
[  320.135077]  ? xa_clear_mark+0x40/0x40
[  320.138967]  ? zap_class+0x640/0x640
[  320.142687]  ? zap_class+0x640/0x640
[  320.146398]  ? zap_class+0x640/0x640
[  320.150114]  ? __do_page_cache_readahead+0x663/0x810
[  320.155225]  ? find_held_lock+0x36/0x1c0
[  320.159308]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.164857]  alloc_pages_current+0x173/0x350
[  320.169284]  __page_cache_alloc+0x38c/0x5c0
[  320.173608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.178541]  ? kasan_check_read+0x11/0x20
[  320.182689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.187967]  ? generic_perform_write+0x6a0/0x6a0
[  320.192729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.198280]  ? check_preemption_disabled+0x48/0x280
[  320.203310]  filemap_fault+0x1595/0x25f0
[  320.207388]  ? __lock_page_or_retry+0xa00/0xa00
[  320.212059]  ? mark_held_locks+0x130/0x130
[  320.216308]  ? filemap_map_pages+0xd6b/0x1a20
[  320.220809]  ? lock_downgrade+0x900/0x900
[  320.224966]  ? check_preemption_disabled+0x48/0x280
[  320.229986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.234919]  ? kasan_check_read+0x11/0x20
[  320.239067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.244346]  ? rcu_softirq_qs+0x20/0x20
[  320.248332]  ? filemap_map_pages+0xd92/0x1a20
[  320.252839]  ? find_get_entries_tag+0x1400/0x1400
[  320.257700]  ? lock_acquire+0x1ed/0x520
[  320.261671]  ? ext4_filemap_fault+0x7a/0xad
[  320.265998]  ? lock_release+0xa00/0xa00
[  320.269972]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.275419]  ? mark_held_locks+0x130/0x130
[  320.279656]  ? print_usage_bug+0xc0/0xc0
[  320.283721]  ? print_usage_bug+0xc0/0xc0
[  320.287795]  ? down_read+0x8d/0x120
[  320.291424]  ? ext4_filemap_fault+0x7a/0xad
[  320.295749]  ? __down_interruptible+0x700/0x700
[  320.300428]  ext4_filemap_fault+0x82/0xad
[  320.304577]  __do_fault+0x100/0x6b0
[  320.308210]  ? pmd_devmap_trans_unstable+0x220/0x220
[  320.313322]  ? mark_held_locks+0x130/0x130
[  320.317561]  ? mark_held_locks+0x130/0x130
[  320.321816]  ? hrtimer_forward+0x2a0/0x2a0
[  320.326053]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  320.330897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.336442]  __handle_mm_fault+0x3ea6/0x5be0
[  320.340864]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  320.345708]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.350808]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.355911]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.360495]  ? trace_hardirqs_on+0xbd/0x310
[  320.365298]  ? kasan_check_read+0x11/0x20
[  320.369452]  ? __free_object+0x173/0x340
[  320.373522]  ? zap_class+0x640/0x640
[  320.377235]  ? zap_class+0x640/0x640
[  320.380956]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.386067]  ? find_held_lock+0x36/0x1c0
[  320.390139]  ? handle_mm_fault+0x42a/0xc70
[  320.394380]  ? lock_downgrade+0x900/0x900
[  320.398531]  ? check_preemption_disabled+0x48/0x280
[  320.403553]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.408482]  ? kasan_check_read+0x11/0x20
[  320.412631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.417907]  ? rcu_softirq_qs+0x20/0x20
[  320.421880]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.426985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.433393]  ? check_preemption_disabled+0x48/0x280
[  320.438419]  handle_mm_fault+0x54f/0xc70
[  320.442487]  ? __handle_mm_fault+0x5be0/0x5be0
[  320.447076]  ? find_vma+0x34/0x190
[  320.450619]  __do_page_fault+0x5e8/0xe60
[  320.454680]  ? trace_hardirqs_off+0xb8/0x310
[  320.459100]  do_page_fault+0xf2/0x7e0
[  320.462903]  ? vmalloc_sync_all+0x30/0x30
[  320.467052]  ? error_entry+0x70/0xd0
[  320.471560]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.476576]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.481503]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.486429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.491285]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.496446]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.501896]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  320.506916]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.511935]  ? page_fault+0x8/0x30
[  320.515479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.520325]  ? page_fault+0x8/0x30
[  320.523864]  page_fault+0x1e/0x30
[  320.527318] RIP: 0033:0x7f4afc2d3e40
[  320.531044] Code: Bad RIP value.
[  320.534407] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  320.539765] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  320.547035] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  320.554305] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  320.561573] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  320.568836] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  320.576130] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  320.576136] warn_alloc_show_mem: 1 callbacks suppressed
[  320.576143] Mem-Info:
[  320.583508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.588878] active_anon:57379 inactive_anon:189 isolated_anon:0
[  320.588878]  active_file:13 inactive_file:16 isolated_file:0
[  320.588878]  unevictable:0 dirty:0 writeback:0 unstable:0
[  320.588878]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  320.588878]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  320.588878]  free:13771 free_pcp:208 free_cma:0
[  320.591259] Call Trace:
[  320.600650] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  320.633490]  <IRQ>
[  320.636060] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  320.663556]  dump_stack+0x244/0x39d
[  320.665675] lowmem_reserve[]: 0 2818 6321 6321
[  320.691788]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.695380] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  320.699966]  warn_alloc.cold.116+0xb7/0x1bd
[  320.705122] lowmem_reserve[]: 0 0 3503 3503
[  320.732704]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.737002] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  320.741323]  ? lock_downgrade+0x900/0x900
[  320.746140] lowmem_reserve[]: 0 0 0 0
[  320.775027]  ? trace_hardirqs_off+0xb8/0x310
[  320.779144] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  320.782938]  ? trace_hardirqs_off+0xb8/0x310
[  320.787317] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  320.800840]  __alloc_pages_slowpath+0x2651/0x2de0
[  320.805217] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  320.820665]  ? warn_alloc+0x120/0x120
[  320.825467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  320.840017]  ? print_usage_bug+0xc0/0xc0
[  320.843798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  320.852622]  ? warn_alloc+0x120/0x120
[  320.856656] 273 total pagecache pages
[  320.865220]  ? warn_alloc+0x120/0x120
[  320.869002] 0 pages in swap cache
[  320.872787]  ? print_usage_bug+0xc0/0xc0
[  320.876566] Swap cache stats: add 0, delete 0, find 0/0
[  320.880008]  ? kvm_clock_read+0x18/0x30
[  320.884040] Free swap  = 0kB
[  320.889397]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  320.893341] Total swap = 0kB
[  320.896353]  ? print_usage_bug+0xc0/0xc0
[  320.901341] 1965979 pages RAM
[  320.904352]  ? __lock_acquire+0x62f/0x4c20
[  320.908387] 0 pages HighMem/MovableOnly
[  320.911484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.915694] 342853 pages reserved
[  320.919664]  ? should_fail+0x22d/0xd01
[  320.925172] 0 pages cma reserved
[  320.928623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.932541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.935843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.935859]  ? __lock_acquire+0x62f/0x4c20
[  320.935877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.941186] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.947614]  ? __lock_acquire+0x62f/0x4c20
[  320.952690] cron cpuset=/ mems_allowed=0
[  320.956917]  ? should_fail+0x22d/0xd01
[  320.983837]  ? rcu_irq_exit+0x1a2/0x390
[  320.987827]  ? mark_held_locks+0x130/0x130
[  320.992067]  ? mark_held_locks+0x130/0x130
[  320.996322]  ? mark_held_locks+0xc7/0x130
[  321.000472]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  321.005490]  ? zap_class+0x640/0x640
[  321.009207]  ? print_usage_bug+0xc0/0xc0
[  321.013279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.018825]  ? check_preemption_disabled+0x48/0x280
[  321.023853]  ? __lock_is_held+0xb5/0x140
[  321.027919]  __alloc_pages_nodemask+0xad8/0xea0
[  321.032616]  ? zap_class+0x640/0x640
[  321.036340]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  321.041367]  ? find_held_lock+0x36/0x1c0
[  321.045447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.050117]  ? lock_downgrade+0x900/0x900
[  321.054279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.059821]  cache_grow_begin+0xa5/0x8c0
[  321.063883]  ? do_raw_spin_unlock+0xa7/0x330
[  321.068299]  fallback_alloc+0x204/0x2e0
[  321.072289]  ____cache_alloc_node+0x1c7/0x1e0
[  321.076796]  kmem_cache_alloc_node+0xe3/0x730
[  321.081299]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.085544]  __alloc_skb+0x119/0x770
[  321.089295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.094581]  ? netdev_alloc_frag+0x1f0/0x1f0
[  321.098989]  ? lock_downgrade+0x900/0x900
[  321.103146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.108684]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.114134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.119584]  ? addrconf_rs_timer+0x690/0x690
[  321.124021]  ndisc_alloc_skb+0x144/0x340
[  321.128088]  ndisc_send_rs+0x331/0x6e0
[  321.131985]  addrconf_rs_timer+0x314/0x690
[  321.136222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.140476]  call_timer_fn+0x272/0x920
[  321.144360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.148595]  ? process_timeout+0x40/0x40
[  321.152663]  ? __run_timers+0x7da/0xc70
[  321.156643]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.161140]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.165632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.169869]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.174452]  ? trace_hardirqs_on+0xbd/0x310
[  321.178780]  ? kasan_check_read+0x11/0x20
[  321.182927]  ? __run_timers+0x7da/0xc70
[  321.186899]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.192020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.196270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.200505]  __run_timers+0x7e5/0xc70
[  321.204319]  ? timer_fixup_init+0x70/0x70
[  321.208473]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.213492]  ? zap_class+0x640/0x640
[  321.217211]  ? enqueue_hrtimer+0x1a5/0x560
[  321.221446]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.226643]  ? find_held_lock+0x36/0x1c0
[  321.230710]  ? zap_class+0x640/0x640
[  321.234428]  ? pvclock_read_flags+0x160/0x160
[  321.238929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.244466]  ? check_preemption_disabled+0x48/0x280
[  321.249492]  ? __lock_is_held+0xb5/0x140
[  321.253555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.259092]  ? check_preemption_disabled+0x48/0x280
[  321.264116]  run_timer_softirq+0x52/0xb0
[  321.268181]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.273196]  __do_softirq+0x308/0xb7e
[  321.277002]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.281498]  ? lock_downgrade+0x900/0x900
[  321.285653]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.290765]  ? pvclock_read_flags+0x160/0x160
[  321.295275]  ? lapic_next_event+0x5a/0x90
[  321.299431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.304972]  ? kvm_clock_read+0x18/0x30
[  321.308945]  ? kvm_sched_clock_read+0x9/0x20
[  321.313354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.318891]  ? check_preemption_disabled+0x48/0x280
[  321.323914]  irq_exit+0x17f/0x1c0
[  321.327367]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.332206]  ? smp_reschedule_interrupt+0x109/0x650
[  321.337224]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.343117]  ? interrupt_entry+0xb5/0xc0
[  321.347184]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.352201]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.357216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.362067]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.367082]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.372102]  ? task_prio+0x50/0x50
[  321.375646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.381187]  ? check_preemption_disabled+0x48/0x280
[  321.386211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.391069]  apic_timer_interrupt+0xf/0x20
[  321.395302]  </IRQ>
[  321.397543] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  321.402473] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  321.421373] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  321.429083] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  321.436350] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  321.443618] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  321.450883] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  321.458149] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  321.465461]  skb_clone+0x1bb/0x500
[  321.469001]  ? finish_task_switch+0x1b4/0x910
[  321.473499]  ? skb_split+0x11e0/0x11e0
[  321.477390]  ? preempt_notifier_register+0x200/0x200
[  321.482489]  ? __switch_to_asm+0x34/0x70
[  321.486547]  ? __switch_to_asm+0x34/0x70
[  321.490604]  ? __switch_to_asm+0x40/0x70
[  321.494660]  ? __switch_to_asm+0x34/0x70
[  321.498716]  ? __switch_to_asm+0x40/0x70
[  321.502776]  ? __switch_to_asm+0x34/0x70
[  321.506832]  ? __switch_to_asm+0x40/0x70
[  321.510891]  ? __switch_to_asm+0x34/0x70
[  321.514960]  ? __switch_to_asm+0x34/0x70
[  321.519017]  ? __switch_to_asm+0x40/0x70
[  321.523079]  ? __switch_to_asm+0x34/0x70
[  321.527145]  bpf_clone_redirect+0xb9/0x490
[  321.531381]  ? __schedule+0x8d7/0x21d0
[  321.535281]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  321.540305]  ? __sched_text_start+0x8/0x8
[  321.544457]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  321.549219]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  321.553809]  ? retint_kernel+0x2d/0x2d
[  321.557699]  ? find_held_lock+0x36/0x1c0
[  321.561767]  ? lock_acquire+0x1ed/0x520
[  321.565749]  ? bpf_test_run+0x3ee/0x7a0
[  321.569728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.575278]  ? check_preemption_disabled+0x48/0x280
[  321.580301]  ? kasan_check_read+0x11/0x20
[  321.584447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.589720]  ? rcu_softirq_qs+0x20/0x20
[  321.593716]  ? preempt_schedule+0x4d/0x60
[  321.597865]  ? ___preempt_schedule+0x16/0x18
[  321.602300]  ? bpf_test_run+0x271/0x7a0
[  321.606295]  ? netlink_diag_dump+0x2a0/0x2a0
[  321.610717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.616264]  ? bpf_test_init.isra.10+0x70/0x100
[  321.620942]  ? bpf_prog_test_run_skb+0x762/0xd60
[  321.625708]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.630557]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.636092]  ? fput+0x130/0x1a0
[  321.639371]  ? __bpf_prog_get+0x9b/0x290
[  321.643433]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.648279]  ? bpf_prog_test_run+0x130/0x1a0
[  321.652692]  ? __x64_sys_bpf+0x3d8/0x520
[  321.656769]  ? bpf_prog_get+0x20/0x20
[  321.660601]  ? do_syscall_64+0x1e1/0x820
[  321.664715]  ? do_syscall_64+0x1b9/0x820
[  321.668777]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.674148]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.679077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.683924]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.688939]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.693960]  ? prepare_exit_to_usermode+0x291/0x3b0
[  321.698982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.703848]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.709231] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  321.709310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.715730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.715735] Call Trace:
[  321.715742]  <IRQ>
[  321.715760]  dump_stack+0x244/0x39d
[  321.715780]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.722325] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.731637]  warn_alloc.cold.116+0xb7/0x1bd
[  321.734189] syz-executor5 cpuset=syz5 mems_allowed=0
[  321.736337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.769795]  ? lock_downgrade+0x900/0x900
[  321.773952]  ? trace_hardirqs_off+0xb8/0x310
[  321.778368]  ? trace_hardirqs_off+0xb8/0x310
[  321.782781]  __alloc_pages_slowpath+0x2651/0x2de0
[  321.787712]  ? warn_alloc+0x120/0x120
[  321.791513]  ? print_usage_bug+0xc0/0xc0
[  321.795579]  ? warn_alloc+0x120/0x120
[  321.799387]  ? warn_alloc+0x120/0x120
[  321.803187]  ? print_usage_bug+0xc0/0xc0
[  321.807308]  ? print_usage_bug+0xc0/0xc0
[  321.811370]  ? __lock_acquire+0x62f/0x4c20
[  321.815611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.821151]  ? should_fail+0x22d/0xd01
[  321.825043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.830145]  ? __lock_acquire+0x62f/0x4c20
[  321.834383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.839482]  ? __lock_acquire+0x62f/0x4c20
[  321.843713]  ? should_fail+0x22d/0xd01
[  321.847599]  ? find_held_lock+0x36/0x1c0
[  321.851669]  ? mark_held_locks+0x130/0x130
[  321.855907]  ? mark_held_locks+0x130/0x130
[  321.860164]  ? zap_class+0x640/0x640
[  321.863874]  ? zap_class+0x640/0x640
[  321.867586]  ? print_usage_bug+0xc0/0xc0
[  321.871646]  ? do_raw_spin_unlock+0xa7/0x330
[  321.876054]  ? zap_class+0x640/0x640
[  321.879782]  ? print_usage_bug+0xc0/0xc0
[  321.883887]  ? wq_watchdog_touch+0x9c/0xfe
[  321.888124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.893666]  ? check_preemption_disabled+0x48/0x280
[  321.898693]  ? __lock_is_held+0xb5/0x140
[  321.902788]  __alloc_pages_nodemask+0xad8/0xea0
[  321.907470]  ? zap_class+0x640/0x640
[  321.911187]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  321.916212]  ? find_held_lock+0x36/0x1c0
[  321.920292]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.924967]  ? lock_downgrade+0x900/0x900
[  321.929126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.934671]  cache_grow_begin+0xa5/0x8c0
[  321.938729]  ? do_raw_spin_unlock+0xa7/0x330
[  321.943148]  fallback_alloc+0x204/0x2e0
[  321.947127]  ____cache_alloc_node+0x1c7/0x1e0
[  321.951627]  kmem_cache_alloc_node+0xe3/0x730
[  321.956123]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.960367]  __alloc_skb+0x119/0x770
[  321.964076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.969361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  321.973773]  ? lock_downgrade+0x900/0x900
[  321.977930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.983466]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.988919]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.994376]  ? addrconf_rs_timer+0x690/0x690
[  321.998795]  ndisc_alloc_skb+0x144/0x340
[  322.002860]  ndisc_send_rs+0x331/0x6e0
[  322.006753]  addrconf_rs_timer+0x314/0x690
[  322.010992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.015241]  call_timer_fn+0x272/0x920
[  322.019143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.023380]  ? process_timeout+0x40/0x40
[  322.027452]  ? mark_held_locks+0xc7/0x130
[  322.031600]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.036091]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.040581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.044818]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.049401]  ? trace_hardirqs_on+0xbd/0x310
[  322.053721]  ? kasan_check_read+0x11/0x20
[  322.057875]  ? __run_timers+0x7da/0xc70
[  322.061851]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.066956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.071195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.075432]  __run_timers+0x7e5/0xc70
[  322.079241]  ? timer_fixup_init+0x70/0x70
[  322.083404]  ? kasan_check_read+0x11/0x20
[  322.087573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.092853]  ? rcu_softirq_qs+0x20/0x20
[  322.096833]  ? mark_held_locks+0xc7/0x130
[  322.100987]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.105744]  ? retint_kernel+0x2d/0x2d
[  322.109630]  ? trace_hardirqs_on_caller+0xc0/0x310
[  322.114559]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.119319]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.124770]  ? zap_class+0x640/0x640
[  322.128487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.134048]  ? check_preemption_disabled+0x48/0x280
[  322.139114]  ? __lock_is_held+0xb5/0x140
[  322.143172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.148712]  ? check_preemption_disabled+0x48/0x280
[  322.153748]  run_timer_softirq+0x52/0xb0
[  322.157852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  322.162873]  __do_softirq+0x308/0xb7e
[  322.166676]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  322.171188]  ? lock_downgrade+0x900/0x900
[  322.175338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  322.180447]  ? pvclock_read_flags+0x160/0x160
[  322.184943]  ? lapic_next_event+0x5a/0x90
[  322.189091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.194630]  ? kvm_clock_read+0x18/0x30
[  322.198607]  ? kvm_sched_clock_read+0x9/0x20
[  322.203016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.208556]  ? check_preemption_disabled+0x48/0x280
[  322.213579]  irq_exit+0x17f/0x1c0
[  322.217069]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.221907]  ? smp_reschedule_interrupt+0x109/0x650
[  322.226927]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.232809]  ? interrupt_entry+0xb5/0xc0
[  322.236885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.241899]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.246918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.251758]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.256786]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.261801]  ? task_prio+0x50/0x50
[  322.265345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.270884]  ? check_preemption_disabled+0x48/0x280
[  322.275921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.280816]  apic_timer_interrupt+0xf/0x20
[  322.285061]  </IRQ>
[  322.287320] RIP: 0010:dump_stack+0x358/0x39d
[  322.291729] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  322.310635] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  322.318348] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  322.325620] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  322.332888] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  322.340158] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  322.347424] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  322.354718]  ? dump_stack+0x34f/0x39d
[  322.358534]  ? dump_stack_print_info.cold.1+0x20/0x20
[  322.363728]  ? mark_held_locks+0x130/0x130
[  322.368408]  ? mark_held_locks+0x130/0x130
[  322.372648]  dump_header+0x27b/0xf72
[  322.376379]  ? pagefault_out_of_memory+0x197/0x197
[  322.381320]  ? __lock_acquire+0x62f/0x4c20
[  322.385562]  ? percpu_ref_get_many+0x240/0x240
[  322.390146]  ? print_usage_bug+0xc0/0xc0
[  322.394216]  ? zap_class+0x640/0x640
[  322.397936]  ? print_usage_bug+0xc0/0xc0
[  322.401994]  ? print_usage_bug+0xc0/0xc0
[  322.406056]  ? zap_class+0x640/0x640
[  322.409774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.415323]  ? find_held_lock+0x36/0x1c0
[  322.419401]  ? mark_held_locks+0xc7/0x130
[  322.423554]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.428658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.433763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.438363]  ? trace_hardirqs_on+0xbd/0x310
[  322.442690]  ? kasan_check_read+0x11/0x20
[  322.446837]  ? ___ratelimit+0x3b4/0x672
[  322.450814]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.455919]  ? trace_hardirqs_on+0x310/0x310
[  322.460330]  ? lock_downgrade+0x900/0x900
[  322.464488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.470359]  ? ___ratelimit+0x3b9/0x672
[  322.474347]  ? idr_get_free+0xf70/0xf70
[  322.478322]  ? find_held_lock+0x36/0x1c0
[  322.482393]  oom_kill_process.cold.27+0x10/0x903
[  322.487151]  ? zap_class+0x640/0x640
[  322.490866]  ? check_preemption_disabled+0x48/0x280
[  322.496002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.500933]  ? kasan_check_read+0x11/0x20
[  322.505084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.510364]  ? oom_evaluate_task+0x540/0x540
[  322.514777]  ? find_held_lock+0x36/0x1c0
[  322.518847]  ? out_of_memory+0x974/0x1430
[  322.522997]  ? lock_downgrade+0x900/0x900
[  322.527145]  ? check_preemption_disabled+0x48/0x280
[  322.532169]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.537102]  ? kasan_check_read+0x11/0x20
[  322.541247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.546536]  ? rcu_softirq_qs+0x20/0x20
[  322.550514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.556051]  ? oom_evaluate_task+0x302/0x540
[  322.560462]  out_of_memory+0xa84/0x1430
[  322.564453]  ? oom_killer_disable+0x3a0/0x3a0
[  322.568950]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  322.573885]  ? __ww_mutex_check_waiters+0x160/0x160
[  322.578914]  __alloc_pages_slowpath+0x232c/0x2de0
[  322.583784]  ? warn_alloc+0x120/0x120
[  322.587587]  ? mark_held_locks+0x130/0x130
[  322.591830]  ? find_get_entry+0xaae/0x1120
[  322.596072]  ? filemap_map_pages+0x1a20/0x1a20
[  322.600660]  ? zap_class+0x640/0x640
[  322.604385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.609929]  ? check_preemption_disabled+0x48/0x280
[  322.614952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.620491]  ? should_fail+0x22d/0xd01
[  322.624395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.629516]  ? zap_class+0x640/0x640
[  322.633262]  ? __lock_is_held+0xb5/0x140
[  322.637339]  ? mark_held_locks+0x130/0x130
[  322.641578]  ? lock_release+0xa00/0xa00
[  322.645553]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.651006]  ? xa_load+0x2ba/0x460
[  322.654550]  ? lock_downgrade+0x900/0x900
[  322.658703]  ? __might_sleep+0x95/0x190
[  322.662688]  __alloc_pages_nodemask+0xad8/0xea0
[  322.667365]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  322.672383]  ? __page_cache_alloc+0x191/0x5c0
[  322.676880]  ? xa_load+0x2e1/0x460
[  322.680425]  ? xa_clear_mark+0x40/0x40
[  322.684315]  ? zap_class+0x640/0x640
[  322.688035]  ? zap_class+0x640/0x640
[  322.691747]  ? zap_class+0x640/0x640
[  322.695474]  ? __do_page_cache_readahead+0x663/0x810
[  322.700585]  ? find_held_lock+0x36/0x1c0
[  322.704655]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  322.710203]  alloc_pages_current+0x173/0x350
[  322.714623]  __page_cache_alloc+0x38c/0x5c0
[  322.718947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.723884]  ? kasan_check_read+0x11/0x20
[  322.728038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.733324]  ? generic_perform_write+0x6a0/0x6a0
[  322.738085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.743626]  ? check_preemption_disabled+0x48/0x280
[  322.748656]  filemap_fault+0x1595/0x25f0
[  322.752734]  ? __lock_page_or_retry+0xa00/0xa00
[  322.757411]  ? mark_held_locks+0x130/0x130
[  322.761656]  ? filemap_map_pages+0xd6b/0x1a20
[  322.766153]  ? lock_downgrade+0x900/0x900
[  322.770313]  ? check_preemption_disabled+0x48/0x280
[  322.775338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.780283]  ? kasan_check_read+0x11/0x20
[  322.784439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.789715]  ? rcu_softirq_qs+0x20/0x20
[  322.793705]  ? filemap_map_pages+0xd92/0x1a20
[  322.798213]  ? find_get_entries_tag+0x1400/0x1400
[  322.803081]  ? lock_acquire+0x1ed/0x520
[  322.807054]  ? ext4_filemap_fault+0x7a/0xad
[  322.811384]  ? lock_release+0xa00/0xa00
[  322.815357]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.820808]  ? mark_held_locks+0x130/0x130
[  322.825045]  ? print_usage_bug+0xc0/0xc0
[  322.829108]  ? print_usage_bug+0xc0/0xc0
[  322.833180]  ? down_read+0x8d/0x120
[  322.836806]  ? ext4_filemap_fault+0x7a/0xad
[  322.841134]  ? __down_interruptible+0x700/0x700
[  322.845815]  ext4_filemap_fault+0x82/0xad
[  322.849966]  __do_fault+0x100/0x6b0
[  322.853602]  ? pmd_devmap_trans_unstable+0x220/0x220
[  322.858707]  ? mark_held_locks+0x130/0x130
[  322.862941]  ? mark_held_locks+0x130/0x130
[  322.867180]  ? hrtimer_forward+0x2a0/0x2a0
[  322.871412]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  322.876266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.881825]  __handle_mm_fault+0x3ea6/0x5be0
[  322.886248]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  322.891110]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.896214]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.901323]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.905908]  ? trace_hardirqs_on+0xbd/0x310
[  322.910239]  ? kasan_check_read+0x11/0x20
[  322.914404]  ? __free_object+0x173/0x340
[  322.918480]  ? zap_class+0x640/0x640
[  322.922194]  ? zap_class+0x640/0x640
[  322.925909]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.931023]  ? find_held_lock+0x36/0x1c0
[  322.935095]  ? handle_mm_fault+0x42a/0xc70
[  322.939330]  ? lock_downgrade+0x900/0x900
[  322.943479]  ? check_preemption_disabled+0x48/0x280
[  322.948498]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.953430]  ? kasan_check_read+0x11/0x20
[  322.957577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.962853]  ? rcu_softirq_qs+0x20/0x20
[  322.966826]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.971940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.977482]  ? check_preemption_disabled+0x48/0x280
[  322.982506]  handle_mm_fault+0x54f/0xc70
[  322.986573]  ? __handle_mm_fault+0x5be0/0x5be0
[  322.991160]  ? find_vma+0x34/0x190
[  322.994710]  __do_page_fault+0x5e8/0xe60
[  322.998772]  ? trace_hardirqs_off+0xb8/0x310
[  323.003191]  do_page_fault+0xf2/0x7e0
[  323.006997]  ? vmalloc_sync_all+0x30/0x30
[  323.011147]  ? error_entry+0x70/0xd0
[  323.014865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.019880]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.024810]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.029741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.034588]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.039602]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.045062]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  323.050083]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.055099]  ? page_fault+0x8/0x30
[  323.058645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.063490]  ? page_fault+0x8/0x30
[  323.067033]  page_fault+0x1e/0x30
[  323.070489] RIP: 0033:0x7f4afc2d3e40
[  323.074214] Code: Bad RIP value.
[  323.077578] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  323.082941] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  323.090207] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  323.097472] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  323.104741] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  323.112008] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  323.119335] warn_alloc_show_mem: 1 callbacks suppressed
[  323.119348] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  323.119350] Mem-Info:
[  323.119382] active_anon:57379 inactive_anon:189 isolated_anon:0
[  323.119382]  active_file:13 inactive_file:16 isolated_file:0
[  323.119382]  unevictable:0 dirty:0 writeback:0 unstable:0
[  323.119382]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  323.119382]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  323.119382]  free:13771 free_pcp:208 free_cma:0
[  323.124727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.132092] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  323.134493] Call Trace:
[  323.167376] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  323.176726]  <IRQ>
[  323.204216] lowmem_reserve[]: 0 2818 6321 6321
[  323.206814]  dump_stack+0x244/0x39d
[  323.232905] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  323.235060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.239599] lowmem_reserve[]: 0 0 3503 3503
[  323.243238]  warn_alloc.cold.116+0xb7/0x1bd
[  323.270799] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  323.275991]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.280288] lowmem_reserve[]: 0 0 0 0
[  323.284607]  ? lock_downgrade+0x900/0x900
[  323.313480] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  323.318335]  ? trace_hardirqs_off+0xb8/0x310
[  323.322103] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  323.326247]  ? trace_hardirqs_off+0xb8/0x310
[  323.339752] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  323.344172]  __alloc_pages_slowpath+0x2651/0x2de0
[  323.359588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  323.363993]  ? warn_alloc+0x120/0x120
[  323.364005]  ? print_usage_bug+0xc0/0xc0
[  323.364013]  ? warn_alloc+0x120/0x120
[  323.364023]  ? warn_alloc+0x120/0x120
[  323.364032]  ? print_usage_bug+0xc0/0xc0
[  323.364042]  ? print_usage_bug+0xc0/0xc0
[  323.364051]  ? __lock_acquire+0x62f/0x4c20
[  323.364064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.364073]  ? should_fail+0x22d/0xd01
[  323.364084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.364092]  ? __lock_acquire+0x62f/0x4c20
[  323.364102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.364109]  ? __lock_acquire+0x62f/0x4c20
[  323.364116]  ? should_fail+0x22d/0xd01
[  323.364124]  ? find_held_lock+0x36/0x1c0
[  323.364136]  ? mark_held_locks+0x130/0x130
[  323.364146]  ? mark_held_locks+0x130/0x130
[  323.364153]  ? zap_class+0x640/0x640
[  323.364160]  ? zap_class+0x640/0x640
[  323.364169]  ? print_usage_bug+0xc0/0xc0
[  323.364177]  ? do_raw_spin_unlock+0xa7/0x330
[  323.364184]  ? zap_class+0x640/0x640
[  323.364192]  ? print_usage_bug+0xc0/0xc0
[  323.364200]  ? wq_watchdog_touch+0x9c/0xfe
[  323.364210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.364220]  ? check_preemption_disabled+0x48/0x280
[  323.364232]  ? __lock_is_held+0xb5/0x140
[  323.364243]  __alloc_pages_nodemask+0xad8/0xea0
[  323.364261]  ? zap_class+0x640/0x640
[  323.364288]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  323.378934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  323.383787]  ? find_held_lock+0x36/0x1c0
[  323.392587] 273 total pagecache pages
[  323.396388]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.400424] 0 pages in swap cache
[  323.404217]  ? lock_downgrade+0x900/0x900
[  323.407991] Swap cache stats: add 0, delete 0, find 0/0
[  323.412048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.416075] Free swap  = 0kB
[  323.420309]  cache_grow_begin+0xa5/0x8c0
[  323.425820] Total swap = 0kB
[  323.429704]  ? do_raw_spin_unlock+0xa7/0x330
[  323.434783] 1965979 pages RAM
[  323.439016]  fallback_alloc+0x204/0x2e0
[  323.444093] 0 pages HighMem/MovableOnly
[  323.448328]  ____cache_alloc_node+0x1c7/0x1e0
[  323.452186] 342853 pages reserved
[  323.456246]  kmem_cache_alloc_node+0xe3/0x730
[  323.460463] 0 pages cma reserved
[  323.464692]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.468463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.472490]  __alloc_skb+0x119/0x770
[  323.476626] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.480926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.484616] cron cpuset=/ mems_allowed=0
[  323.488673]  ? netdev_alloc_frag+0x1f0/0x1f0
[  323.639357]  ? lock_downgrade+0x900/0x900
[  323.643518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.649058]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.654516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.659971]  ? addrconf_rs_timer+0x690/0x690
[  323.664401]  ndisc_alloc_skb+0x144/0x340
[  323.668482]  ndisc_send_rs+0x331/0x6e0
[  323.672380]  addrconf_rs_timer+0x314/0x690
[  323.676623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.680871]  call_timer_fn+0x272/0x920
[  323.684761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.689002]  ? process_timeout+0x40/0x40
[  323.693069]  ? __run_timers+0x7da/0xc70
[  323.697043]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.701534]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.706029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.710275]  ? lockdep_hardirqs_on+0x296/0x5b0
[  323.714866]  ? trace_hardirqs_on+0xbd/0x310
[  323.719197]  ? kasan_check_read+0x11/0x20
[  323.723347]  ? __run_timers+0x7da/0xc70
[  323.727324]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.732435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.736678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.740913]  __run_timers+0x7e5/0xc70
[  323.744722]  ? timer_fixup_init+0x70/0x70
[  323.748876]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.753893]  ? zap_class+0x640/0x640
[  323.757611]  ? enqueue_hrtimer+0x1a5/0x560
[  323.761850]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.767048]  ? find_held_lock+0x36/0x1c0
[  323.771112]  ? zap_class+0x640/0x640
[  323.774833]  ? pvclock_read_flags+0x160/0x160
[  323.779337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.784877]  ? check_preemption_disabled+0x48/0x280
[  323.789906]  ? __lock_is_held+0xb5/0x140
[  323.793973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.799515]  ? check_preemption_disabled+0x48/0x280
[  323.804541]  run_timer_softirq+0x52/0xb0
[  323.808602]  ? rcu_read_lock_sched_held+0x14f/0x180
[  323.813623]  __do_softirq+0x308/0xb7e
[  323.817427]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  323.821923]  ? lock_downgrade+0x900/0x900
[  323.826077]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  323.831195]  ? pvclock_read_flags+0x160/0x160
[  323.835697]  ? lapic_next_event+0x5a/0x90
[  323.839859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.845404]  ? kvm_clock_read+0x18/0x30
[  323.849382]  ? kvm_sched_clock_read+0x9/0x20
[  323.853811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.859357]  ? check_preemption_disabled+0x48/0x280
[  323.864381]  irq_exit+0x17f/0x1c0
[  323.867835]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.872679]  ? smp_reschedule_interrupt+0x109/0x650
[  323.877697]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.883579]  ? interrupt_entry+0xb5/0xc0
[  323.887649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.892665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.897686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.902533]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.907563]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.912594]  ? task_prio+0x50/0x50
[  323.916143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.921688]  ? check_preemption_disabled+0x48/0x280
[  323.926714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.931564]  apic_timer_interrupt+0xf/0x20
[  323.935798]  </IRQ>
[  323.938042] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  323.942970] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  323.961869] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  323.969579] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  323.976849] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  323.984116] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  323.991381] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  323.998647] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  324.005960]  skb_clone+0x1bb/0x500
[  324.009504]  ? finish_task_switch+0x1b4/0x910
[  324.014000]  ? skb_split+0x11e0/0x11e0
[  324.017892]  ? preempt_notifier_register+0x200/0x200
[  324.022993]  ? __switch_to_asm+0x34/0x70
[  324.027052]  ? __switch_to_asm+0x34/0x70
[  324.031112]  ? __switch_to_asm+0x40/0x70
[  324.035171]  ? __switch_to_asm+0x34/0x70
[  324.039228]  ? __switch_to_asm+0x40/0x70
[  324.043301]  ? __switch_to_asm+0x34/0x70
[  324.047365]  ? __switch_to_asm+0x40/0x70
[  324.051425]  ? __switch_to_asm+0x34/0x70
[  324.055487]  ? __switch_to_asm+0x34/0x70
[  324.059545]  ? __switch_to_asm+0x40/0x70
[  324.063607]  ? __switch_to_asm+0x34/0x70
[  324.067674]  bpf_clone_redirect+0xb9/0x490
[  324.071909]  ? __schedule+0x8d7/0x21d0
[  324.075808]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  324.080831]  ? __sched_text_start+0x8/0x8
[  324.084980]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.089740]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  324.094325]  ? retint_kernel+0x2d/0x2d
[  324.098217]  ? find_held_lock+0x36/0x1c0
[  324.102292]  ? lock_acquire+0x1ed/0x520
[  324.106275]  ? bpf_test_run+0x3ee/0x7a0
[  324.110262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.115806]  ? check_preemption_disabled+0x48/0x280
[  324.120828]  ? kasan_check_read+0x11/0x20
[  324.124975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.130249]  ? rcu_softirq_qs+0x20/0x20
[  324.134236]  ? preempt_schedule+0x4d/0x60
[  324.138395]  ? ___preempt_schedule+0x16/0x18
[  324.142819]  ? bpf_test_run+0x271/0x7a0
[  324.146810]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.151226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.156778]  ? bpf_test_init.isra.10+0x70/0x100
[  324.161454]  ? bpf_prog_test_run_skb+0x762/0xd60
[  324.166222]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.171093]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.176633]  ? fput+0x130/0x1a0
[  324.179913]  ? __bpf_prog_get+0x9b/0x290
[  324.183976]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.188818]  ? bpf_prog_test_run+0x130/0x1a0
[  324.193234]  ? __x64_sys_bpf+0x3d8/0x520
[  324.197310]  ? bpf_prog_get+0x20/0x20
[  324.201120]  ? do_syscall_64+0x1e1/0x820
[  324.205185]  ? do_syscall_64+0x1b9/0x820
[  324.209245]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.214619]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.219549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.224391]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.229409]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.234427]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.239451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.244311]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.249694] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  324.249763] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.256183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.256188] Call Trace:
[  324.256194]  <IRQ>
[  324.256232]  dump_stack+0x244/0x39d
[  324.256282]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.262808] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.272111]  warn_alloc.cold.116+0xb7/0x1bd
[  324.274665] syz-executor5 cpuset=syz5 mems_allowed=0
[  324.276809]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.310302]  ? lock_downgrade+0x900/0x900
[  324.314457]  ? trace_hardirqs_off+0xb8/0x310
[  324.318870]  ? trace_hardirqs_off+0xb8/0x310
[  324.323297]  __alloc_pages_slowpath+0x2651/0x2de0
[  324.328172]  ? warn_alloc+0x120/0x120
[  324.331976]  ? print_usage_bug+0xc0/0xc0
[  324.336037]  ? warn_alloc+0x120/0x120
[  324.339846]  ? warn_alloc+0x120/0x120
[  324.343646]  ? print_usage_bug+0xc0/0xc0
[  324.347711]  ? kvm_clock_read+0x18/0x30
[  324.351691]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  324.356713]  ? print_usage_bug+0xc0/0xc0
[  324.360780]  ? __lock_acquire+0x62f/0x4c20
[  324.365563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.371103]  ? should_fail+0x22d/0xd01
[  324.374991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.380285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.385390]  ? __lock_acquire+0x62f/0x4c20
[  324.389628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.394731]  ? __lock_acquire+0x62f/0x4c20
[  324.398962]  ? should_fail+0x22d/0xd01
[  324.402848]  ? rcu_irq_exit+0x1a2/0x390
[  324.406834]  ? mark_held_locks+0x130/0x130
[  324.411073]  ? mark_held_locks+0x130/0x130
[  324.415316]  ? mark_held_locks+0xc7/0x130
[  324.419467]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  324.424481]  ? zap_class+0x640/0x640
[  324.428193]  ? print_usage_bug+0xc0/0xc0
[  324.432279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.437835]  ? check_preemption_disabled+0x48/0x280
[  324.442875]  ? __lock_is_held+0xb5/0x140
[  324.446945]  __alloc_pages_nodemask+0xad8/0xea0
[  324.451614]  ? zap_class+0x640/0x640
[  324.455337]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  324.460371]  ? find_held_lock+0x36/0x1c0
[  324.464473]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.469936]  ? lock_downgrade+0x900/0x900
[  324.474095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.479651]  cache_grow_begin+0xa5/0x8c0
[  324.483738]  ? do_raw_spin_unlock+0xa7/0x330
[  324.488158]  fallback_alloc+0x204/0x2e0
[  324.492136]  ____cache_alloc_node+0x1c7/0x1e0
[  324.496811]  kmem_cache_alloc_node+0xe3/0x730
[  324.501312]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.505587]  __alloc_skb+0x119/0x770
[  324.509355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.514638]  ? netdev_alloc_frag+0x1f0/0x1f0
[  324.519047]  ? lock_downgrade+0x900/0x900
[  324.523202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.528739]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.534211]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.539664]  ? addrconf_rs_timer+0x690/0x690
[  324.544095]  ndisc_alloc_skb+0x144/0x340
[  324.548203]  ndisc_send_rs+0x331/0x6e0
[  324.552094]  addrconf_rs_timer+0x314/0x690
[  324.556341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.560583]  call_timer_fn+0x272/0x920
[  324.564483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.568721]  ? process_timeout+0x40/0x40
[  324.572791]  ? mark_held_locks+0xc7/0x130
[  324.576939]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.581431]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.585927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.590166]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.594785]  ? trace_hardirqs_on+0xbd/0x310
[  324.599116]  ? kasan_check_read+0x11/0x20
[  324.603272]  ? __run_timers+0x7da/0xc70
[  324.607263]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.612385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.616627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.620860]  __run_timers+0x7e5/0xc70
[  324.624669]  ? timer_fixup_init+0x70/0x70
[  324.628819]  ? kasan_check_read+0x11/0x20
[  324.632963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.638259]  ? rcu_softirq_qs+0x20/0x20
[  324.642244]  ? mark_held_locks+0xc7/0x130
[  324.646410]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.651171]  ? retint_kernel+0x2d/0x2d
[  324.655061]  ? trace_hardirqs_on_caller+0xc0/0x310
[  324.660037]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.664807]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.670311]  ? zap_class+0x640/0x640
[  324.674063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.679605]  ? check_preemption_disabled+0x48/0x280
[  324.684628]  ? __lock_is_held+0xb5/0x140
[  324.688691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.694229]  ? check_preemption_disabled+0x48/0x280
[  324.699267]  run_timer_softirq+0x52/0xb0
[  324.703339]  ? rcu_read_lock_sched_held+0x14f/0x180
[  324.708360]  __do_softirq+0x308/0xb7e
[  324.712169]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  324.716661]  ? lock_downgrade+0x900/0x900
[  324.720817]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  324.725930]  ? pvclock_read_flags+0x160/0x160
[  324.730426]  ? lapic_next_event+0x5a/0x90
[  324.734576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.740121]  ? kvm_clock_read+0x18/0x30
[  324.744097]  ? kvm_sched_clock_read+0x9/0x20
[  324.748508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.754049]  ? check_preemption_disabled+0x48/0x280
[  324.759073]  irq_exit+0x17f/0x1c0
[  324.762527]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.767366]  ? smp_reschedule_interrupt+0x109/0x650
[  324.772385]  ? smp_call_function_single_interrupt+0x650/0x650
[  324.778280]  ? interrupt_entry+0xb5/0xc0
[  324.782344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.787357]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.792374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.797218]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.802237]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.807280]  ? task_prio+0x50/0x50
[  324.810821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.816362]  ? check_preemption_disabled+0x48/0x280
[  324.821386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.826235]  apic_timer_interrupt+0xf/0x20
[  324.830475]  </IRQ>
[  324.832718] RIP: 0010:dump_stack+0x358/0x39d
[  324.837127] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  324.856029] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  324.863733] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  324.870999] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  324.878278] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  324.885543] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  324.892810] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  324.900098]  ? dump_stack+0x34f/0x39d
[  324.903913]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.909105]  ? mark_held_locks+0x130/0x130
[  324.913344]  ? mark_held_locks+0x130/0x130
[  324.917587]  dump_header+0x27b/0xf72
[  324.921318]  ? pagefault_out_of_memory+0x197/0x197
[  324.926261]  ? __lock_acquire+0x62f/0x4c20
[  324.930511]  ? percpu_ref_get_many+0x240/0x240
[  324.935094]  ? print_usage_bug+0xc0/0xc0
[  324.939158]  ? zap_class+0x640/0x640
[  324.942873]  ? print_usage_bug+0xc0/0xc0
[  324.946931]  ? print_usage_bug+0xc0/0xc0
[  324.950997]  ? zap_class+0x640/0x640
[  324.954727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.960299]  ? find_held_lock+0x36/0x1c0
[  324.964372]  ? mark_held_locks+0xc7/0x130
[  324.968520]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  324.973623]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  324.978725]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  324.983308]  ? trace_hardirqs_on+0xbd/0x310
[  324.987630]  ? kasan_check_read+0x11/0x20
[  324.991781]  ? ___ratelimit+0x3b4/0x672
[  324.995755]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.000863]  ? trace_hardirqs_on+0x310/0x310
[  325.005281]  ? lock_downgrade+0x900/0x900
[  325.009441]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.014546]  ? ___ratelimit+0x3b9/0x672
[  325.018521]  ? idr_get_free+0xf70/0xf70
[  325.022496]  ? find_held_lock+0x36/0x1c0
[  325.026565]  oom_kill_process.cold.27+0x10/0x903
[  325.031322]  ? zap_class+0x640/0x640
[  325.035038]  ? check_preemption_disabled+0x48/0x280
[  325.040059]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.044992]  ? kasan_check_read+0x11/0x20
[  325.049141]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.054422]  ? oom_evaluate_task+0x540/0x540
[  325.058831]  ? find_held_lock+0x36/0x1c0
[  325.062899]  ? out_of_memory+0x974/0x1430
[  325.067050]  ? lock_downgrade+0x900/0x900
[  325.071200]  ? check_preemption_disabled+0x48/0x280
[  325.076217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.081146]  ? kasan_check_read+0x11/0x20
[  325.085294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.090569]  ? rcu_softirq_qs+0x20/0x20
[  325.094548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.100083]  ? oom_evaluate_task+0x302/0x540
[  325.104494]  out_of_memory+0xa84/0x1430
[  325.108474]  ? oom_killer_disable+0x3a0/0x3a0
[  325.112971]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  325.117903]  ? __ww_mutex_check_waiters+0x160/0x160
[  325.122930]  __alloc_pages_slowpath+0x232c/0x2de0
[  325.127800]  ? warn_alloc+0x120/0x120
[  325.131612]  ? mark_held_locks+0x130/0x130
[  325.135851]  ? find_get_entry+0xaae/0x1120
[  325.140107]  ? filemap_map_pages+0x1a20/0x1a20
[  325.144696]  ? zap_class+0x640/0x640
[  325.148418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.153963]  ? check_preemption_disabled+0x48/0x280
[  325.158978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.164517]  ? should_fail+0x22d/0xd01
[  325.168409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.173512]  ? zap_class+0x640/0x640
[  325.177248]  ? __lock_is_held+0xb5/0x140
[  325.181330]  ? mark_held_locks+0x130/0x130
[  325.185571]  ? lock_release+0xa00/0xa00
[  325.189544]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.194994]  ? xa_load+0x2ba/0x460
[  325.198536]  ? lock_downgrade+0x900/0x900
[  325.202718]  ? __might_sleep+0x95/0x190
[  325.206695]  __alloc_pages_nodemask+0xad8/0xea0
[  325.211375]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  325.216400]  ? __page_cache_alloc+0x191/0x5c0
[  325.220898]  ? xa_load+0x2e1/0x460
[  325.224440]  ? xa_clear_mark+0x40/0x40
[  325.228329]  ? zap_class+0x640/0x640
[  325.232051]  ? zap_class+0x640/0x640
[  325.235767]  ? zap_class+0x640/0x640
[  325.239480]  ? __do_page_cache_readahead+0x663/0x810
[  325.244592]  ? find_held_lock+0x36/0x1c0
[  325.248664]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  325.254208]  alloc_pages_current+0x173/0x350
[  325.258620]  __page_cache_alloc+0x38c/0x5c0
[  325.262941]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.267870]  ? kasan_check_read+0x11/0x20
[  325.272017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.277305]  ? generic_perform_write+0x6a0/0x6a0
[  325.282063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.287606]  ? check_preemption_disabled+0x48/0x280
[  325.292637]  filemap_fault+0x1595/0x25f0
[  325.296764]  ? __lock_page_or_retry+0xa00/0xa00
[  325.301441]  ? mark_held_locks+0x130/0x130
[  325.305699]  ? filemap_map_pages+0xd6b/0x1a20
[  325.310209]  ? lock_downgrade+0x900/0x900
[  325.314357]  ? check_preemption_disabled+0x48/0x280
[  325.319376]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.324305]  ? kasan_check_read+0x11/0x20
[  325.328453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.333727]  ? rcu_softirq_qs+0x20/0x20
[  325.337714]  ? filemap_map_pages+0xd92/0x1a20
[  325.342234]  ? find_get_entries_tag+0x1400/0x1400
[  325.347112]  ? lock_acquire+0x1ed/0x520
[  325.351085]  ? ext4_filemap_fault+0x7a/0xad
[  325.355414]  ? lock_release+0xa00/0xa00
[  325.359387]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.365270]  ? mark_held_locks+0x130/0x130
[  325.369511]  ? print_usage_bug+0xc0/0xc0
[  325.373575]  ? print_usage_bug+0xc0/0xc0
[  325.377646]  ? down_read+0x8d/0x120
[  325.381283]  ? ext4_filemap_fault+0x7a/0xad
[  325.385610]  ? __down_interruptible+0x700/0x700
[  325.390302]  ext4_filemap_fault+0x82/0xad
[  325.394455]  __do_fault+0x100/0x6b0
[  325.398088]  ? pmd_devmap_trans_unstable+0x220/0x220
[  325.403193]  ? mark_held_locks+0x130/0x130
[  325.407428]  ? mark_held_locks+0x130/0x130
[  325.411673]  ? hrtimer_forward+0x2a0/0x2a0
[  325.415905]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  325.420756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.426319]  __handle_mm_fault+0x3ea6/0x5be0
[  325.430736]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  325.435580]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.440680]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.445782]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.450374]  ? trace_hardirqs_on+0xbd/0x310
[  325.454700]  ? kasan_check_read+0x11/0x20
[  325.458848]  ? __free_object+0x173/0x340
[  325.462922]  ? zap_class+0x640/0x640
[  325.466634]  ? zap_class+0x640/0x640
[  325.470347]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.475453]  ? find_held_lock+0x36/0x1c0
[  325.479528]  ? handle_mm_fault+0x42a/0xc70
[  325.483772]  ? lock_downgrade+0x900/0x900
[  325.487920]  ? check_preemption_disabled+0x48/0x280
[  325.492943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.497870]  ? kasan_check_read+0x11/0x20
[  325.502016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.507296]  ? rcu_softirq_qs+0x20/0x20
[  325.511283]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.516394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.521931]  ? check_preemption_disabled+0x48/0x280
[  325.526988]  handle_mm_fault+0x54f/0xc70
[  325.531053]  ? __handle_mm_fault+0x5be0/0x5be0
[  325.535652]  ? find_vma+0x34/0x190
[  325.539202]  __do_page_fault+0x5e8/0xe60
[  325.543277]  ? trace_hardirqs_off+0xb8/0x310
[  325.547697]  do_page_fault+0xf2/0x7e0
[  325.551498]  ? vmalloc_sync_all+0x30/0x30
[  325.555650]  ? error_entry+0x70/0xd0
[  325.559366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.564378]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.569307]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.574233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.579088]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.584101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.589551]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.594569]  ? prepare_exit_to_usermode+0x291/0x3b0
[  325.599585]  ? page_fault+0x8/0x30
[  325.603127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.607970]  ? page_fault+0x8/0x30
[  325.611511]  page_fault+0x1e/0x30
[  325.614960] RIP: 0033:0x7f4afc2d3e40
[  325.618682] Code: Bad RIP value.
[  325.622041] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  325.627400] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  325.634666] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  325.641935] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  325.649199] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  325.656465] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  325.663763] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  325.663769] warn_alloc_show_mem: 1 callbacks suppressed
[  325.663782] Mem-Info:
[  325.671143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.676514] active_anon:57379 inactive_anon:189 isolated_anon:0
[  325.676514]  active_file:13 inactive_file:16 isolated_file:0
[  325.676514]  unevictable:0 dirty:0 writeback:0 unstable:0
[  325.676514]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  325.676514]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  325.676514]  free:13771 free_pcp:208 free_cma:0
[  325.678889] Call Trace:
[  325.688292] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  325.721133]  <IRQ>
[  325.723703] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  325.751211]  dump_stack+0x244/0x39d
[  325.753334] lowmem_reserve[]: 0 2818 6321 6321
[  325.779445]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.783044] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  325.787629]  warn_alloc.cold.116+0xb7/0x1bd
[  325.792802] lowmem_reserve[]: 0 0 3503 3503
[  325.820388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.824682] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  325.829002]  ? lock_downgrade+0x900/0x900
[  325.833820] lowmem_reserve[]: 0 0 0 0
[  325.862707]  ? trace_hardirqs_off+0xb8/0x310
[  325.866829] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  325.870625]  ? trace_hardirqs_off+0xb8/0x310
[  325.875006] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  325.888540]  __alloc_pages_slowpath+0x2651/0x2de0
[  325.892913] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  325.908364]  ? warn_alloc+0x120/0x120
[  325.913165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  325.927719]  ? print_usage_bug+0xc0/0xc0
[  325.931500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  325.940328]  ? warn_alloc+0x120/0x120
[  325.944366] 273 total pagecache pages
[  325.952936]  ? warn_alloc+0x120/0x120
[  325.956720] 0 pages in swap cache
[  325.960510]  ? print_usage_bug+0xc0/0xc0
[  325.964292] Swap cache stats: add 0, delete 0, find 0/0
[  325.967735]  ? print_usage_bug+0xc0/0xc0
[  325.971770] Free swap  = 0kB
[  325.977130]  ? __lock_acquire+0x62f/0x4c20
[  325.981173] Total swap = 0kB
[  325.984189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.988399] 1965979 pages RAM
[  325.991411]  ? should_fail+0x22d/0xd01
[  325.996919] 0 pages HighMem/MovableOnly
[  326.000019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.003878] 342853 pages reserved
[  326.007868]  ? __lock_acquire+0x62f/0x4c20
[  326.012949] 0 pages cma reserved
[  326.016399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.020666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  326.023958]  ? __lock_acquire+0x62f/0x4c20
[  326.023975]  ? should_fail+0x22d/0xd01
[  326.029148] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  326.035542]  ? find_held_lock+0x36/0x1c0
[  326.039753] cron cpuset=/ mems_allowed=0
[  326.043641]  ? mark_held_locks+0x130/0x130
[  326.065635]  ? mark_held_locks+0x130/0x130
[  326.069868]  ? zap_class+0x640/0x640
[  326.073590]  ? zap_class+0x640/0x640
[  326.077306]  ? print_usage_bug+0xc0/0xc0
[  326.081365]  ? do_raw_spin_unlock+0xa7/0x330
[  326.085778]  ? zap_class+0x640/0x640
[  326.089492]  ? print_usage_bug+0xc0/0xc0
[  326.093551]  ? wq_watchdog_touch+0x9c/0xfe
[  326.097792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.103333]  ? check_preemption_disabled+0x48/0x280
[  326.108360]  ? __lock_is_held+0xb5/0x140
[  326.112425]  __alloc_pages_nodemask+0xad8/0xea0
[  326.117094]  ? zap_class+0x640/0x640
[  326.120814]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  326.125839]  ? find_held_lock+0x36/0x1c0
[  326.129909]  ? ____cache_alloc_node+0x1c7/0x1e0
[  326.134577]  ? lock_downgrade+0x900/0x900
[  326.138731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.144281]  cache_grow_begin+0xa5/0x8c0
[  326.148341]  ? do_raw_spin_unlock+0xa7/0x330
[  326.152760]  fallback_alloc+0x204/0x2e0
[  326.156743]  ____cache_alloc_node+0x1c7/0x1e0
[  326.161248]  kmem_cache_alloc_node+0xe3/0x730
[  326.165759]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.170007]  __alloc_skb+0x119/0x770
[  326.173717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.179000]  ? netdev_alloc_frag+0x1f0/0x1f0
[  326.183408]  ? lock_downgrade+0x900/0x900
[  326.187563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.193103]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.198554]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.204009]  ? addrconf_rs_timer+0x690/0x690
[  326.208431]  ndisc_alloc_skb+0x144/0x340
[  326.212497]  ndisc_send_rs+0x331/0x6e0
[  326.216388]  addrconf_rs_timer+0x314/0x690
[  326.220633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.224880]  call_timer_fn+0x272/0x920
[  326.228765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.233003]  ? process_timeout+0x40/0x40
[  326.237069]  ? __run_timers+0x7da/0xc70
[  326.241042]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.245536]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.250032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.254272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  326.258860]  ? trace_hardirqs_on+0xbd/0x310
[  326.263180]  ? kasan_check_read+0x11/0x20
[  326.267326]  ? __run_timers+0x7da/0xc70
[  326.271302]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.276410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.280648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.284880]  __run_timers+0x7e5/0xc70
[  326.288720]  ? timer_fixup_init+0x70/0x70
[  326.292873]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.297893]  ? zap_class+0x640/0x640
[  326.301608]  ? enqueue_hrtimer+0x1a5/0x560
[  326.305845]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  326.311040]  ? find_held_lock+0x36/0x1c0
[  326.315117]  ? zap_class+0x640/0x640
[  326.318834]  ? pvclock_read_flags+0x160/0x160
[  326.323338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.328876]  ? check_preemption_disabled+0x48/0x280
[  326.333900]  ? __lock_is_held+0xb5/0x140
[  326.337963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.343504]  ? check_preemption_disabled+0x48/0x280
[  326.348525]  run_timer_softirq+0x52/0xb0
[  326.352588]  ? rcu_read_lock_sched_held+0x14f/0x180
[  326.357608]  __do_softirq+0x308/0xb7e
[  326.361411]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.366147]  ? lock_downgrade+0x900/0x900
[  326.370301]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  326.375412]  ? pvclock_read_flags+0x160/0x160
[  326.379909]  ? lapic_next_event+0x5a/0x90
[  326.384060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.389600]  ? kvm_clock_read+0x18/0x30
[  326.393575]  ? kvm_sched_clock_read+0x9/0x20
[  326.397987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.403530]  ? check_preemption_disabled+0x48/0x280
[  326.408560]  irq_exit+0x17f/0x1c0
[  326.412013]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.416855]  ? smp_reschedule_interrupt+0x109/0x650
[  326.421869]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.427753]  ? interrupt_entry+0xb5/0xc0
[  326.431822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.436842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.441859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.446700]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.451712]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.456734]  ? task_prio+0x50/0x50
[  326.460281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.465823]  ? check_preemption_disabled+0x48/0x280
[  326.470845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.475699]  apic_timer_interrupt+0xf/0x20
[  326.479925]  </IRQ>
[  326.482164] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  326.487114] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  326.506518] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  326.514227] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  326.521503] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  326.528779] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  326.536044] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  326.543315] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  326.550644]  skb_clone+0x1bb/0x500
[  326.554203]  ? finish_task_switch+0x1b4/0x910
[  326.558700]  ? skb_split+0x11e0/0x11e0
[  326.562586]  ? preempt_notifier_register+0x200/0x200
[  326.567710]  ? __switch_to_asm+0x34/0x70
[  326.571767]  ? __switch_to_asm+0x34/0x70
[  326.575832]  ? __switch_to_asm+0x40/0x70
[  326.579893]  ? __switch_to_asm+0x34/0x70
[  326.583951]  ? __switch_to_asm+0x40/0x70
[  326.588024]  ? __switch_to_asm+0x34/0x70
[  326.592108]  ? __switch_to_asm+0x40/0x70
[  326.596165]  ? __switch_to_asm+0x34/0x70
[  326.600222]  ? __switch_to_asm+0x34/0x70
[  326.604292]  ? __switch_to_asm+0x40/0x70
[  326.608353]  ? __switch_to_asm+0x34/0x70
[  326.612415]  bpf_clone_redirect+0xb9/0x490
[  326.616648]  ? __schedule+0x8d7/0x21d0
[  326.620538]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  326.625555]  ? __sched_text_start+0x8/0x8
[  326.629718]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  326.634479]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.639059]  ? retint_kernel+0x2d/0x2d
[  326.642966]  ? find_held_lock+0x36/0x1c0
[  326.647037]  ? lock_acquire+0x1ed/0x520
[  326.651027]  ? bpf_test_run+0x3ee/0x7a0
[  326.655004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.660540]  ? check_preemption_disabled+0x48/0x280
[  326.665563]  ? kasan_check_read+0x11/0x20
[  326.669728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.675005]  ? rcu_softirq_qs+0x20/0x20
[  326.678984]  ? preempt_schedule+0x4d/0x60
[  326.683130]  ? ___preempt_schedule+0x16/0x18
[  326.687546]  ? bpf_test_run+0x271/0x7a0
[  326.691532]  ? netlink_diag_dump+0x2a0/0x2a0
[  326.695945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.701508]  ? bpf_test_init.isra.10+0x70/0x100
[  326.706196]  ? bpf_prog_test_run_skb+0x762/0xd60
[  326.710963]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.715813]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  326.721384]  ? fput+0x130/0x1a0
[  326.724664]  ? __bpf_prog_get+0x9b/0x290
[  326.728727]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.733567]  ? bpf_prog_test_run+0x130/0x1a0
[  326.737979]  ? __x64_sys_bpf+0x3d8/0x520
[  326.742039]  ? bpf_prog_get+0x20/0x20
[  326.745867]  ? do_syscall_64+0x1e1/0x820
[  326.749946]  ? do_syscall_64+0x1b9/0x820
[  326.754008]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  326.759385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.764315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.769162]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.774178]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  326.779195]  ? prepare_exit_to_usermode+0x291/0x3b0
[  326.784220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.789090]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  326.794501] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  326.794532] rcu: INFO: rcu_preempt self-detected stall on CPU
[  326.801000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.807122] rcu: 	1-...!: (171 ticks this GP) idle=6a2/1/0x4000000000000004 softirq=15657/15659 fqs=0 
[  326.816206] Call Trace:
[  326.816212]  <IRQ>
[  326.816231]  dump_stack+0x244/0x39d
[  326.816248]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.816290]  warn_alloc.cold.116+0xb7/0x1bd
[  326.816305]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.816323]  ? lock_downgrade+0x900/0x900
[  326.816359]  ? trace_hardirqs_off+0xb8/0x310
[  326.816379]  ? trace_hardirqs_off+0xb8/0x310
[  326.816401]  __alloc_pages_slowpath+0x2651/0x2de0
[  326.816443]  ? warn_alloc+0x120/0x120
[  326.826040] rcu: 	 (t=10728 jiffies g=18105 q=1)
[  326.828623]  ? print_usage_bug+0xc0/0xc0
[  326.830797] rcu: rcu_preempt kthread starved for 10728 jiffies! g18105 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  326.834418]  ? warn_alloc+0x120/0x120
[  326.839585] rcu: RCU grace-period kthread stack dump:
[  326.843905]  ? warn_alloc+0x120/0x120
[  326.848721] rcu_preempt     R  running task    22392    10      2 0x80000000
[  326.852876]  ? print_usage_bug+0xc0/0xc0
[  326.857264] Call Trace:
[  326.861668]  ? kvm_clock_read+0x18/0x30
[  326.866498]  __schedule+0x8cf/0x21d0
[  326.870291]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  326.875031]  ? __sched_text_start+0x8/0x8
[  326.879083]  ? print_usage_bug+0xc0/0xc0
[  326.889567]  ? add_timer_on+0xa20/0xa20
[  326.893351]  ? __lock_acquire+0x62f/0x4c20
[  326.898521]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.902315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.909488]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.913538]  ? should_fail+0x22d/0xd01
[  326.916108]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.920068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.923771]  ? trace_hardirqs_on+0xbd/0x310
[  326.928772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.932911]  ? kasan_check_read+0x11/0x20
[  326.936957]  ? __lock_acquire+0x62f/0x4c20
[  326.940918]  ? prepare_to_swait_event+0x25a/0x800
[  326.945138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.950221]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.955735]  ? __lock_acquire+0x62f/0x4c20
[  326.960841]  schedule+0xfe/0x460
[  326.964706]  ? should_fail+0x22d/0xd01
[  326.969279]  ? __schedule+0x21d0/0x21d0
[  326.974539]  ? rcu_irq_exit+0x1a2/0x390
[  326.978861]  ? prepare_to_swait_event+0x25a/0x800
[  326.983950]  ? mark_held_locks+0x130/0x130
[  326.988084]  ? __init_swait_queue_head+0x150/0x150
[  326.992305]  ? mark_held_locks+0x130/0x130
[  326.997132]  ? __lockdep_init_map+0x105/0x590
[  327.002218]  ? mark_held_locks+0xc7/0x130
[  327.007336]  ? lockdep_init_map+0x9/0x10
[  327.011557]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  327.014910]  schedule_timeout+0x140/0x260
[  327.018781]  ? zap_class+0x640/0x640
[  327.022747]  ? usleep_range+0x1a0/0x1a0
[  327.026708]  ? print_usage_bug+0xc0/0xc0
[  327.031533]  ? __next_timer_interrupt+0x1a0/0x1a0
[  327.035758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.040695]  rcu_gp_fqs_loop+0x762/0xa80
[  327.044902]  ? check_preemption_disabled+0x48/0x280
[  327.049384]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  327.053521]  ? __lock_is_held+0xb5/0x140
[  327.057564]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.062566]  __alloc_pages_nodemask+0xad8/0xea0
[  327.066718]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.070411]  ? zap_class+0x640/0x640
[  327.074374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.078422]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  327.083348]  ? rcu_gp_init+0x90b/0x1260
[  327.088869]  ? find_held_lock+0x36/0x1c0
[  327.092910]  ? __switch_to_asm+0x34/0x70
[  327.097916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.102652]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  327.106696]  ? lock_downgrade+0x900/0x900
[  327.111787]  ? __switch_to_asm+0x40/0x70
[  327.116440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.121871]  ? find_held_lock+0x36/0x1c0
[  327.125568]  cache_grow_begin+0xa5/0x8c0
[  327.131087]  ? zap_class+0x640/0x640
[  327.136087]  ? do_raw_spin_unlock+0xa7/0x330
[  327.140063]  ? prepare_to_swait_event+0x25a/0x800
[  327.144105]  fallback_alloc+0x204/0x2e0
[  327.148162]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.152833]  ____cache_alloc_node+0x1c7/0x1e0
[  327.157570]  ? find_held_lock+0x36/0x1c0
[  327.161703]  kmem_cache_alloc_node+0xe3/0x730
[  327.165749]  ? finish_swait+0x25d/0x430
[  327.171280]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.175316]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.179365]  __alloc_skb+0x119/0x770
[  327.183055]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.187446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.192278]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.196243]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.201336]  ? trace_hardirqs_on+0xbd/0x310
[  327.205818]  ? lock_downgrade+0x900/0x900
[  327.209880]  ? kasan_check_read+0x11/0x20
[  327.214366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.218324]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.222542]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.227627]  ? __init_swait_queue_head+0x150/0x150
[  327.231323]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.236417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.241677]  ? addrconf_rs_timer+0x690/0x690
[  327.246246]  ? finish_swait+0x25d/0x430
[  327.250672]  ndisc_alloc_skb+0x144/0x340
[  327.254969]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.259098]  ndisc_send_rs+0x331/0x6e0
[  327.263226]  ? swake_up_locked+0x360/0x360
[  327.268762]  addrconf_rs_timer+0x314/0x690
[  327.273882]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.279318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.284230]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.289668]  call_timer_fn+0x272/0x920
[  327.294751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.299137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.303102]  rcu_gp_kthread+0x341/0xc70
[  327.307140]  ? process_timeout+0x40/0x40
[  327.311741]  ? rcu_gp_init+0x1260/0x1260
[  327.315612]  ? mark_held_locks+0xc7/0x130
[  327.319827]  ? mark_held_locks+0x130/0x130
[  327.324057]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.329142]  ? __schedule+0x168a/0x21d0
[  327.333357]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.338794]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.342663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.348186]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.352404]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.356389]  ? trace_hardirqs_on+0xbd/0x310
[  327.360436]  ? trace_hardirqs_on+0xbd/0x310
[  327.364481]  ? kasan_check_read+0x11/0x20
[  327.364498]  ? __schedule+0x168a/0x21d0
[  327.368631]  ? kasan_check_read+0x11/0x20
[  327.372850]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.377329]  ? __run_timers+0x7da/0xc70
[  327.381325]  ? lock_pin_lock+0x350/0x350
[  327.385819]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.390319]  ? _raw_spin_unlock_irq+0x60/0x80
[  327.394537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.399100]  ? __schedule+0x168a/0x21d0
[  327.403668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.407985]  ? __switch_to_asm+0x40/0x70
[  327.412296]  __run_timers+0x7e5/0xc70
[  327.416429]  ? __switch_to_asm+0x40/0x70
[  327.420397]  ? timer_fixup_init+0x70/0x70
[  327.424531]  ? show_schedstat+0xd41/0xf30
[  327.429614]  ? kasan_check_read+0x11/0x20
[  327.433574]  ? __sched_text_start+0x8/0x8
[  327.437618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.442707]  ? find_held_lock+0x36/0x1c0
[  327.447181]  ? rcu_softirq_qs+0x20/0x20
[  327.451409]  ? __kthread_parkme+0xce/0x1a0
[  327.455360]  ? mark_held_locks+0xc7/0x130
[  327.459577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.463624]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.467407]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.471455]  ? retint_kernel+0x2d/0x2d
[  327.475590]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.479722]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.483854]  ? trace_hardirqs_on+0xbd/0x310
[  327.487994]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.493266]  ? kasan_check_read+0x11/0x20
[  327.497314]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.501280]  ? __kthread_parkme+0xce/0x1a0
[  327.505503]  ? zap_class+0x640/0x640
[  327.509637]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.514728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.519469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.524556]  ? check_preemption_disabled+0x48/0x280
[  327.528424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.532992]  ? __lock_is_held+0xb5/0x140
[  327.537919]  ? __kthread_parkme+0xfb/0x1a0
[  327.542224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.546963]  ? rcu_gp_init+0x1260/0x1260
[  327.551094]  ? check_preemption_disabled+0x48/0x280
[  327.556530]  kthread+0x35a/0x440
[  327.560745]  run_timer_softirq+0x52/0xb0
[  327.564442]  ? kthread_stop+0x900/0x900
[  327.569529]  ? rcu_read_lock_sched_held+0x14f/0x180
[  327.575047]  ret_from_fork+0x3a/0x50
[  327.580135]  __do_softirq+0x308/0xb7e
[  327.585144] NMI backtrace for cpu 1
[  327.590660]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  327.645404]  ? lock_downgrade+0x900/0x900
[  327.649558]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.654669]  ? pvclock_read_flags+0x160/0x160
[  327.659163]  ? lapic_next_event+0x5a/0x90
[  327.663316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.668863]  ? kvm_clock_read+0x18/0x30
[  327.672836]  ? kvm_sched_clock_read+0x9/0x20
[  327.677246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.682805]  ? check_preemption_disabled+0x48/0x280
[  327.687832]  irq_exit+0x17f/0x1c0
[  327.691305]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.696147]  ? smp_reschedule_interrupt+0x109/0x650
[  327.701162]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.707050]  ? interrupt_entry+0xb5/0xc0
[  327.711115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.716134]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.721164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.726008]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.731025]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.736039]  ? task_prio+0x50/0x50
[  327.739585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.745122]  ? check_preemption_disabled+0x48/0x280
[  327.750148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.755002]  apic_timer_interrupt+0xf/0x20
[  327.759227]  </IRQ>
[  327.761474] RIP: 0010:dump_stack+0x358/0x39d
[  327.765884] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  327.784783] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  327.792490] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  327.799755] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  327.807020] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  327.814303] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  327.821571] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  327.828863]  ? dump_stack+0x34f/0x39d
[  327.832701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.837892]  ? mark_held_locks+0x130/0x130
[  327.842120]  ? mark_held_locks+0x130/0x130
[  327.846427]  dump_header+0x27b/0xf72
[  327.850167]  ? pagefault_out_of_memory+0x197/0x197
[  327.855102]  ? __lock_acquire+0x62f/0x4c20
[  327.859336]  ? percpu_ref_get_many+0x240/0x240
[  327.863925]  ? print_usage_bug+0xc0/0xc0
[  327.867997]  ? zap_class+0x640/0x640
[  327.871713]  ? print_usage_bug+0xc0/0xc0
[  327.875770]  ? print_usage_bug+0xc0/0xc0
[  327.879848]  ? zap_class+0x640/0x640
[  327.883568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.889109]  ? find_held_lock+0x36/0x1c0
[  327.893178]  ? mark_held_locks+0xc7/0x130
[  327.897326]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.902427]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.907534]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.912121]  ? trace_hardirqs_on+0xbd/0x310
[  327.916443]  ? kasan_check_read+0x11/0x20
[  327.920592]  ? ___ratelimit+0x3b4/0x672
[  327.924570]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.929675]  ? trace_hardirqs_on+0x310/0x310
[  327.934086]  ? lock_downgrade+0x900/0x900
[  327.938246]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.943365]  ? ___ratelimit+0x3b9/0x672
[  327.947342]  ? idr_get_free+0xf70/0xf70
[  327.951314]  ? find_held_lock+0x36/0x1c0
[  327.955387]  oom_kill_process.cold.27+0x10/0x903
[  327.960148]  ? zap_class+0x640/0x640
[  327.963864]  ? check_preemption_disabled+0x48/0x280
[  327.968881]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.973809]  ? kasan_check_read+0x11/0x20
[  327.977958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.983235]  ? oom_evaluate_task+0x540/0x540
[  327.987656]  ? find_held_lock+0x36/0x1c0
[  327.991725]  ? out_of_memory+0x974/0x1430
[  327.995888]  ? lock_downgrade+0x900/0x900
[  328.000042]  ? check_preemption_disabled+0x48/0x280
[  328.005061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.009998]  ? kasan_check_read+0x11/0x20
[  328.014148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.019428]  ? rcu_softirq_qs+0x20/0x20
[  328.023411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.028948]  ? oom_evaluate_task+0x302/0x540
[  328.033361]  out_of_memory+0xa84/0x1430
[  328.037345]  ? oom_killer_disable+0x3a0/0x3a0
[  328.041840]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  328.046770]  ? __ww_mutex_check_waiters+0x160/0x160
[  328.051812]  __alloc_pages_slowpath+0x232c/0x2de0
[  328.056688]  ? warn_alloc+0x120/0x120
[  328.060487]  ? mark_held_locks+0x130/0x130
[  328.064725]  ? find_get_entry+0xaae/0x1120
[  328.068973]  ? filemap_map_pages+0x1a20/0x1a20
[  328.073560]  ? zap_class+0x640/0x640
[  328.077290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.082829]  ? check_preemption_disabled+0x48/0x280
[  328.087850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.093386]  ? should_fail+0x22d/0xd01
[  328.097290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.102397]  ? zap_class+0x640/0x640
[  328.106155]  ? __lock_is_held+0xb5/0x140
[  328.110223]  ? mark_held_locks+0x130/0x130
[  328.114478]  ? lock_release+0xa00/0xa00
[  328.118452]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.123908]  ? xa_load+0x2ba/0x460
[  328.127452]  ? lock_downgrade+0x900/0x900
[  328.131605]  ? __might_sleep+0x95/0x190
[  328.135583]  __alloc_pages_nodemask+0xad8/0xea0
[  328.140269]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  328.145323]  ? __page_cache_alloc+0x191/0x5c0
[  328.149829]  ? xa_load+0x2e1/0x460
[  328.153371]  ? xa_clear_mark+0x40/0x40
[  328.157270]  ? zap_class+0x640/0x640
[  328.160999]  ? zap_class+0x640/0x640
[  328.164711]  ? zap_class+0x640/0x640
[  328.168423]  ? __do_page_cache_readahead+0x663/0x810
[  328.173528]  ? find_held_lock+0x36/0x1c0
[  328.177595]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.183139]  alloc_pages_current+0x173/0x350
[  328.187554]  __page_cache_alloc+0x38c/0x5c0
[  328.191872]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.196803]  ? kasan_check_read+0x11/0x20
[  328.200965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.206247]  ? generic_perform_write+0x6a0/0x6a0
[  328.211020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.216558]  ? check_preemption_disabled+0x48/0x280
[  328.221585]  filemap_fault+0x1595/0x25f0
[  328.225676]  ? __lock_page_or_retry+0xa00/0xa00
[  328.230350]  ? mark_held_locks+0x130/0x130
[  328.234593]  ? filemap_map_pages+0xd6b/0x1a20
[  328.239090]  ? lock_downgrade+0x900/0x900
[  328.243250]  ? check_preemption_disabled+0x48/0x280
[  328.248300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.253229]  ? kasan_check_read+0x11/0x20
[  328.257381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.262657]  ? rcu_softirq_qs+0x20/0x20
[  328.266643]  ? filemap_map_pages+0xd92/0x1a20
[  328.271150]  ? find_get_entries_tag+0x1400/0x1400
[  328.276013]  ? lock_acquire+0x1ed/0x520
[  328.279986]  ? ext4_filemap_fault+0x7a/0xad
[  328.284319]  ? lock_release+0xa00/0xa00
[  328.288296]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.293743]  ? mark_held_locks+0x130/0x130
[  328.297978]  ? print_usage_bug+0xc0/0xc0
[  328.302038]  ? print_usage_bug+0xc0/0xc0
[  328.306111]  ? down_read+0x8d/0x120
[  328.309740]  ? ext4_filemap_fault+0x7a/0xad
[  328.314064]  ? __down_interruptible+0x700/0x700
[  328.318744]  ext4_filemap_fault+0x82/0xad
[  328.322894]  __do_fault+0x100/0x6b0
[  328.326529]  ? pmd_devmap_trans_unstable+0x220/0x220
[  328.331647]  ? mark_held_locks+0x130/0x130
[  328.335884]  ? mark_held_locks+0x130/0x130
[  328.340122]  ? hrtimer_forward+0x2a0/0x2a0
[  328.344356]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  328.349204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.354746]  __handle_mm_fault+0x3ea6/0x5be0
[  328.359165]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  328.364494]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  328.369598]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  328.374702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.379302]  ? trace_hardirqs_on+0xbd/0x310
[  328.383625]  ? kasan_check_read+0x11/0x20
[  328.387776]  ? __free_object+0x173/0x340
[  328.391847]  ? zap_class+0x640/0x640
[  328.395563]  ? zap_class+0x640/0x640
[  328.399284]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.404402]  ? find_held_lock+0x36/0x1c0
[  328.408477]  ? handle_mm_fault+0x42a/0xc70
[  328.412717]  ? lock_downgrade+0x900/0x900
[  328.416869]  ? check_preemption_disabled+0x48/0x280
[  328.421887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.426818]  ? kasan_check_read+0x11/0x20
[  328.430964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.436244]  ? rcu_softirq_qs+0x20/0x20
[  328.440236]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.445349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.450903]  ? check_preemption_disabled+0x48/0x280
[  328.455927]  handle_mm_fault+0x54f/0xc70
[  328.459994]  ? __handle_mm_fault+0x5be0/0x5be0
[  328.464578]  ? find_vma+0x34/0x190
[  328.468131]  __do_page_fault+0x5e8/0xe60
[  328.472189]  ? trace_hardirqs_off+0xb8/0x310
[  328.477309]  do_page_fault+0xf2/0x7e0
[  328.481116]  ? vmalloc_sync_all+0x30/0x30
[  328.485292]  ? error_entry+0x70/0xd0
[  328.489008]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.494025]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.499166]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.504099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.508951]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.513968]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.519438]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  328.524456]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.529474]  ? page_fault+0x8/0x30
[  328.533018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.537859]  ? page_fault+0x8/0x30
[  328.541413]  page_fault+0x1e/0x30
[  328.544867] RIP: 0033:0x7f4afc2d3e40
[  328.548589] Code: Bad RIP value.
[  328.551952] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  328.557313] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  328.564578] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  328.571842] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  328.579119] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  328.586385] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  328.593677] warn_alloc_show_mem: 1 callbacks suppressed
[  328.593689] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  328.593691] Mem-Info:
[  328.593723] active_anon:57379 inactive_anon:189 isolated_anon:0
[  328.593723]  active_file:13 inactive_file:16 isolated_file:0
[  328.593723]  unevictable:0 dirty:0 writeback:0 unstable:0
[  328.593723]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  328.593723]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  328.593723]  free:13771 free_pcp:208 free_cma:0
[  328.599068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.606433] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  328.608832] Call Trace:
[  328.641696] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  328.651038]  <IRQ>
[  328.678511] lowmem_reserve[]: 0 2818 6321 6321
[  328.681105]  dump_stack+0x244/0x39d
[  328.707185] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  328.709349]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.713896] lowmem_reserve[]: 0 0 3503 3503
[  328.717522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.745088] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  328.750286]  ? do_raw_spin_lock+0x14f/0x350
[  328.754580] lowmem_reserve[]: 0 0 0 0
[  328.760118]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  328.788985] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  328.793322]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  328.797099] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  328.801762]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  328.815261] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  328.820455]  arch_trigger_cpumask_backtrace+0x14/0x20
[  328.835871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  328.841137]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  328.855679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  328.860862]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  328.869670] 273 total pagecache pages
[  328.874077]  ? print_other_cpu_stall+0x160/0x160
[  328.882627] 0 pages in swap cache
[  328.887373]  ? print_usage_bug+0xc0/0xc0
[  328.891149] Swap cache stats: add 0, delete 0, find 0/0
[  328.895892]  ? kasan_check_read+0x11/0x20
[  328.899320] Free swap  = 0kB
[  328.903372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.908710] Total swap = 0kB
[  328.912852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.915861] 1965979 pages RAM
[  328.921390]  ? do_trace_rcu_torture_read+0x10/0x10
[  328.924375] 0 pages HighMem/MovableOnly
[  328.924383] 342853 pages reserved
[  328.929916]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  328.932993] 0 pages cma reserved
[  328.937912]  ? __lock_is_held+0xb5/0x140
[  328.941933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.945311]  ? __rcu_read_lock+0x50/0x50
[  328.945325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.945343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.950666] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.953962]  ? check_preemption_disabled+0x48/0x280
[  328.957998] cron cpuset=/ mems_allowed=0
[  328.964483]  rcu_check_callbacks+0xf3b/0x13f0
[  329.002875]  ? rcutree_dead_cpu+0x10/0x10
[  329.007024]  ? lock_downgrade+0x900/0x900
[  329.011212]  ? lock_release+0x9c0/0xa00
[  329.015234]  ? zap_class+0x640/0x640
[  329.018956]  ? mark_held_locks+0x130/0x130
[  329.023191]  ? zap_class+0x640/0x640
[  329.026909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.032453]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  329.037036]  ? kvm_set_tsc_khz+0x540/0x540
[  329.041301]  ? warn_alloc.cold.116+0xd1/0x1bd
[  329.045805]  ? find_held_lock+0x36/0x1c0
[  329.049873]  ? zap_class+0x640/0x640
[  329.053584]  ? timekeeping_advance+0x3cc/0xc00
[  329.058182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.063726]  ? check_preemption_disabled+0x48/0x280
[  329.068749]  ? trace_hardirqs_off+0xb8/0x310
[  329.073175]  ? __lock_is_held+0xb5/0x140
[  329.077239]  ? trace_hardirqs_on+0x310/0x310
[  329.081661]  ? check_preemption_disabled+0x48/0x280
[  329.086683]  ? raise_softirq+0x199/0x420
[  329.090749]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  329.095422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.100963]  ? check_preemption_disabled+0x48/0x280
[  329.105999]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.111536]  ? hrtimer_run_queues+0x9a/0x400
[  329.115947]  ? run_local_timers+0x19b/0x230
[  329.120274]  ? timer_clear_idle+0x90/0x90
[  329.124426]  ? debug_smp_processor_id+0x1c/0x20
[  329.129098]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  329.135075]  ? account_process_tick+0x282/0x350
[  329.139753]  update_process_times+0x2d/0x70
[  329.144116]  tick_sched_handle+0x9f/0x180
[  329.148275]  tick_sched_timer+0x45/0x130
[  329.152347]  __hrtimer_run_queues+0x41c/0x10d0
[  329.156952]  ? tick_sched_do_timer+0x1a0/0x1a0
[  329.161539]  ? hrtimer_start_range_ns+0xe00/0xe00
[  329.166392]  ? pvclock_read_flags+0x160/0x160
[  329.170892]  ? trace_hardirqs_on+0x310/0x310
[  329.175299]  ? zap_class+0x640/0x640
[  329.179022]  ? kvm_clock_read+0x18/0x30
[  329.182996]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  329.188015]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  329.193397]  ? do_timer+0x50/0x50
[  329.196853]  ? rwlock_bug.part.2+0x90/0x90
[  329.201087]  ? trace_hardirqs_on+0x310/0x310
[  329.205496]  ? rcu_softirq_qs+0x20/0x20
[  329.209481]  hrtimer_interrupt+0x313/0x780
[  329.213746]  smp_apic_timer_interrupt+0x1a1/0x760
[  329.218593]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.224481]  ? interrupt_entry+0xb5/0xc0
[  329.228545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.233574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.238265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.243111]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.248140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.252996]  apic_timer_interrupt+0xf/0x20
[  329.257237] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  329.262611] Code: 3f 7e 0f 85 32 ff ff ff e8 f5 0a 3e ff e9 28 ff ff ff e8 1c 3a c3 ff 48 83 3d b4 8e 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  329.281517] RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  329.289235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11032bff559
[  329.296511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  329.303780] RBP: ffff8881daf074c0 R08: ffff888195ffaac8 R09: 0000000000000002
[  329.311050] R10: 0000000000000000 R11: ffff888195ffa200 R12: ffff8881d9a1c0c0
[  329.318315] R13: ffff8881d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  329.325595]  ? apic_timer_interrupt+0xa/0x20
[  329.330022]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.334277]  __alloc_skb+0x119/0x770
[  329.337993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.343280]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.347691]  ? lock_downgrade+0x900/0x900
[  329.351849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.357390]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.362845]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.368299]  ? addrconf_rs_timer+0x690/0x690
[  329.372721]  ndisc_alloc_skb+0x144/0x340
[  329.376795]  ndisc_send_rs+0x331/0x6e0
[  329.380686]  addrconf_rs_timer+0x314/0x690
[  329.384926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.389171]  call_timer_fn+0x272/0x920
[  329.393060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.397296]  ? process_timeout+0x40/0x40
[  329.401369]  ? __run_timers+0x7da/0xc70
[  329.405344]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.409839]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.414337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.418574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.423161]  ? trace_hardirqs_on+0xbd/0x310
[  329.427486]  ? kasan_check_read+0x11/0x20
[  329.431629]  ? __run_timers+0x7da/0xc70
[  329.435602]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.440710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.444949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.449182]  __run_timers+0x7e5/0xc70
[  329.452990]  ? timer_fixup_init+0x70/0x70
[  329.457143]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.462161]  ? zap_class+0x640/0x640
[  329.465879]  ? enqueue_hrtimer+0x1a5/0x560
[  329.470134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.475346]  ? find_held_lock+0x36/0x1c0
[  329.479415]  ? zap_class+0x640/0x640
[  329.483134]  ? pvclock_read_flags+0x160/0x160
[  329.487635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.493174]  ? check_preemption_disabled+0x48/0x280
[  329.498213]  ? __lock_is_held+0xb5/0x140
[  329.502286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.507825]  ? check_preemption_disabled+0x48/0x280
[  329.512849]  run_timer_softirq+0x52/0xb0
[  329.516908]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.521939]  __do_softirq+0x308/0xb7e
[  329.525741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.530235]  ? lock_downgrade+0x900/0x900
[  329.534393]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.539502]  ? pvclock_read_flags+0x160/0x160
[  329.543999]  ? lapic_next_event+0x5a/0x90
[  329.548151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.553692]  ? kvm_clock_read+0x18/0x30
[  329.557663]  ? kvm_sched_clock_read+0x9/0x20
[  329.562079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.567618]  ? check_preemption_disabled+0x48/0x280
[  329.572644]  irq_exit+0x17f/0x1c0
[  329.576105]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.580944]  ? smp_reschedule_interrupt+0x109/0x650
[  329.585969]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.591866]  ? interrupt_entry+0xb5/0xc0
[  329.595927]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.600945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.605967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.610809]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.615822]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.620838]  ? task_prio+0x50/0x50
[  329.624380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.629923]  ? check_preemption_disabled+0x48/0x280
[  329.634946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.639804]  apic_timer_interrupt+0xf/0x20
[  329.644030]  </IRQ>
[  329.646276] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  329.651206] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  329.670106] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  329.677812] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  329.685079] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  329.692347] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  329.699611] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  329.706876] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  329.714183]  skb_clone+0x1bb/0x500
[  329.717728]  ? finish_task_switch+0x1b4/0x910
[  329.722222]  ? skb_split+0x11e0/0x11e0
[  329.726120]  ? preempt_notifier_register+0x200/0x200
[  329.731219]  ? __switch_to_asm+0x34/0x70
[  329.735286]  ? __switch_to_asm+0x34/0x70
[  329.739344]  ? __switch_to_asm+0x40/0x70
[  329.743403]  ? __switch_to_asm+0x34/0x70
[  329.747469]  ? __switch_to_asm+0x40/0x70
[  329.751525]  ? __switch_to_asm+0x34/0x70
[  329.755582]  ? __switch_to_asm+0x40/0x70
[  329.759638]  ? __switch_to_asm+0x34/0x70
[  329.763694]  ? __switch_to_asm+0x34/0x70
[  329.767751]  ? __switch_to_asm+0x40/0x70
[  329.771812]  ? __switch_to_asm+0x34/0x70
[  329.775878]  bpf_clone_redirect+0xb9/0x490
[  329.780127]  ? __schedule+0x8d7/0x21d0
[  329.784019]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  329.789037]  ? __sched_text_start+0x8/0x8
[  329.793190]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  329.797960]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.802587]  ? retint_kernel+0x2d/0x2d
[  329.806481]  ? find_held_lock+0x36/0x1c0
[  329.810548]  ? lock_acquire+0x1ed/0x520
[  329.814523]  ? bpf_test_run+0x3ee/0x7a0
[  329.818502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.824041]  ? check_preemption_disabled+0x48/0x280
[  329.829065]  ? kasan_check_read+0x11/0x20
[  329.833214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.838489]  ? rcu_softirq_qs+0x20/0x20
[  329.842464]  ? preempt_schedule+0x4d/0x60
[  329.846616]  ? ___preempt_schedule+0x16/0x18
[  329.851031]  ? bpf_test_run+0x271/0x7a0
[  329.855020]  ? netlink_diag_dump+0x2a0/0x2a0
[  329.859431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.864967]  ? bpf_test_init.isra.10+0x70/0x100
[  329.869640]  ? bpf_prog_test_run_skb+0x762/0xd60
[  329.874405]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.879260]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.884829]  ? fput+0x130/0x1a0
[  329.888140]  ? __bpf_prog_get+0x9b/0x290
[  329.892210]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.897056]  ? bpf_prog_test_run+0x130/0x1a0
[  329.901471]  ? __x64_sys_bpf+0x3d8/0x520
[  329.905533]  ? bpf_prog_get+0x20/0x20
[  329.909349]  ? do_syscall_64+0x1e1/0x820
[  329.913419]  ? do_syscall_64+0x1b9/0x820
[  329.917477]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  329.922842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.927769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.932618]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.937634]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  329.942650]  ? prepare_exit_to_usermode+0x291/0x3b0
[  329.947672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.952524]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.957904] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  329.958316] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  329.964397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.964406] Call Trace:
[  329.970972] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.980228]  <IRQ>
[  329.982799] syz-executor5 cpuset=syz5 mems_allowed=0
[  329.993294]  dump_stack+0x244/0x39d
[  330.004123]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.009330]  warn_alloc.cold.116+0xb7/0x1bd
[  330.013652]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.018496]  ? lock_downgrade+0x900/0x900
[  330.022656]  ? trace_hardirqs_off+0xb8/0x310
[  330.027070]  ? trace_hardirqs_off+0xb8/0x310
[  330.031488]  __alloc_pages_slowpath+0x2651/0x2de0
[  330.036364]  ? warn_alloc+0x120/0x120
[  330.040166]  ? print_usage_bug+0xc0/0xc0
[  330.044226]  ? warn_alloc+0x120/0x120
[  330.048040]  ? warn_alloc+0x120/0x120
[  330.051840]  ? print_usage_bug+0xc0/0xc0
[  330.055911]  ? print_usage_bug+0xc0/0xc0
[  330.059973]  ? __lock_acquire+0x62f/0x4c20
[  330.064236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.069788]  ? should_fail+0x22d/0xd01
[  330.073680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.078781]  ? __lock_acquire+0x62f/0x4c20
[  330.083023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.088123]  ? __lock_acquire+0x62f/0x4c20
[  330.092357]  ? should_fail+0x22d/0xd01
[  330.096263]  ? mark_held_locks+0x130/0x130
[  330.100507]  ? mark_held_locks+0x130/0x130
[  330.104740]  ? zap_class+0x640/0x640
[  330.108460]  ? zap_class+0x640/0x640
[  330.112172]  ? print_usage_bug+0xc0/0xc0
[  330.116229]  ? wq_watchdog_touch+0x9c/0xfe
[  330.120480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.126022]  ? check_preemption_disabled+0x48/0x280
[  330.131049]  ? __lock_is_held+0xb5/0x140
[  330.135120]  __alloc_pages_nodemask+0xad8/0xea0
[  330.139788]  ? zap_class+0x640/0x640
[  330.143512]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  330.148539]  ? find_held_lock+0x36/0x1c0
[  330.152613]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.157293]  ? lock_downgrade+0x900/0x900
[  330.161460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.167001]  cache_grow_begin+0xa5/0x8c0
[  330.171059]  ? do_raw_spin_unlock+0xa7/0x330
[  330.175489]  fallback_alloc+0x204/0x2e0
[  330.179472]  ____cache_alloc_node+0x1c7/0x1e0
[  330.183991]  kmem_cache_alloc_node+0xe3/0x730
[  330.188501]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.192744]  __alloc_skb+0x119/0x770
[  330.196455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.201733]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.206138]  ? lock_downgrade+0x900/0x900
[  330.210304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.215841]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.221303]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.226757]  ? addrconf_rs_timer+0x690/0x690
[  330.231175]  ndisc_alloc_skb+0x144/0x340
[  330.235247]  ndisc_send_rs+0x331/0x6e0
[  330.239152]  addrconf_rs_timer+0x314/0x690
[  330.243395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.247643]  call_timer_fn+0x272/0x920
[  330.251529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.255767]  ? process_timeout+0x40/0x40
[  330.259839]  ? mark_held_locks+0xc7/0x130
[  330.263986]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.268484]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.272995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.277228]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.281860]  ? trace_hardirqs_on+0xbd/0x310
[  330.286183]  ? kasan_check_read+0x11/0x20
[  330.290334]  ? __run_timers+0x7da/0xc70
[  330.294308]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.299426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.303660]  __run_timers+0x7e5/0xc70
[  330.307469]  ? timer_fixup_init+0x70/0x70
[  330.311617]  ? kasan_check_read+0x11/0x20
[  330.315762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.321041]  ? rcu_softirq_qs+0x20/0x20
[  330.325040]  ? mark_held_locks+0xc7/0x130
[  330.329210]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.333972]  ? retint_kernel+0x2d/0x2d
[  330.337862]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.342791]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.347550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.353005]  ? zap_class+0x640/0x640
[  330.356725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.362272]  ? check_preemption_disabled+0x48/0x280
[  330.367827]  ? __lock_is_held+0xb5/0x140
[  330.371941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.377482]  ? check_preemption_disabled+0x48/0x280
[  330.382503]  run_timer_softirq+0x52/0xb0
[  330.386564]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.391580]  __do_softirq+0x308/0xb7e
[  330.395386]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.399888]  ? lock_downgrade+0x900/0x900
[  330.404040]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.409150]  ? pvclock_read_flags+0x160/0x160
[  330.413649]  ? lapic_next_event+0x5a/0x90
[  330.417800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.423362]  ? kvm_clock_read+0x18/0x30
[  330.427339]  ? kvm_sched_clock_read+0x9/0x20
[  330.431760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.437302]  ? check_preemption_disabled+0x48/0x280
[  330.442338]  irq_exit+0x17f/0x1c0
[  330.445791]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.450632]  ? smp_reschedule_interrupt+0x109/0x650
[  330.455647]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.461529]  ? interrupt_entry+0xb5/0xc0
[  330.465594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.471306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.476326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.481170]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.486182]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.491196]  ? task_prio+0x50/0x50
[  330.494743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.500440]  ? check_preemption_disabled+0x48/0x280
[  330.505466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.510317]  apic_timer_interrupt+0xf/0x20
[  330.514546]  </IRQ>
[  330.516787] RIP: 0010:dump_stack+0x358/0x39d
[  330.521201] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  330.540101] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  330.547805] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  330.555071] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  330.562345] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  330.569611] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  330.576876] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  330.584173]  ? dump_stack+0x34f/0x39d
[  330.587999]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.593190]  ? mark_held_locks+0x130/0x130
[  330.597423]  ? mark_held_locks+0x130/0x130
[  330.601662]  dump_header+0x27b/0xf72
[  330.605389]  ? pagefault_out_of_memory+0x197/0x197
[  330.610328]  ? __lock_acquire+0x62f/0x4c20
[  330.614566]  ? percpu_ref_get_many+0x240/0x240
[  330.619149]  ? print_usage_bug+0xc0/0xc0
[  330.623215]  ? zap_class+0x640/0x640
[  330.626948]  ? print_usage_bug+0xc0/0xc0
[  330.631023]  ? print_usage_bug+0xc0/0xc0
[  330.635089]  ? zap_class+0x640/0x640
[  330.638809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.644349]  ? find_held_lock+0x36/0x1c0
[  330.648417]  ? mark_held_locks+0xc7/0x130
[  330.652565]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.657667]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.662774]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.667361]  ? trace_hardirqs_on+0xbd/0x310
[  330.671680]  ? kasan_check_read+0x11/0x20
[  330.675828]  ? ___ratelimit+0x3b4/0x672
[  330.679820]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.684925]  ? trace_hardirqs_on+0x310/0x310
[  330.689335]  ? lock_downgrade+0x900/0x900
[  330.693491]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.698595]  ? ___ratelimit+0x3b9/0x672
[  330.702570]  ? idr_get_free+0xf70/0xf70
[  330.706546]  ? find_held_lock+0x36/0x1c0
[  330.710620]  oom_kill_process.cold.27+0x10/0x903
[  330.715379]  ? zap_class+0x640/0x640
[  330.719094]  ? check_preemption_disabled+0x48/0x280
[  330.724115]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.729045]  ? kasan_check_read+0x11/0x20
[  330.733203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.738481]  ? oom_evaluate_task+0x540/0x540
[  330.742892]  ? find_held_lock+0x36/0x1c0
[  330.746962]  ? out_of_memory+0x974/0x1430
[  330.751111]  ? lock_downgrade+0x900/0x900
[  330.755265]  ? check_preemption_disabled+0x48/0x280
[  330.760295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.765225]  ? kasan_check_read+0x11/0x20
[  330.769383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.774659]  ? rcu_softirq_qs+0x20/0x20
[  330.778642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.784175]  ? oom_evaluate_task+0x302/0x540
[  330.788589]  out_of_memory+0xa84/0x1430
[  330.792570]  ? oom_killer_disable+0x3a0/0x3a0
[  330.797089]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  330.802022]  ? __ww_mutex_check_waiters+0x160/0x160
[  330.807048]  __alloc_pages_slowpath+0x232c/0x2de0
[  330.811916]  ? warn_alloc+0x120/0x120
[  330.815717]  ? mark_held_locks+0x130/0x130
[  330.819961]  ? find_get_entry+0xaae/0x1120
[  330.824203]  ? filemap_map_pages+0x1a20/0x1a20
[  330.828804]  ? zap_class+0x640/0x640
[  330.832527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.838064]  ? check_preemption_disabled+0x48/0x280
[  330.843081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.848619]  ? should_fail+0x22d/0xd01
[  330.852510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.857614]  ? zap_class+0x640/0x640
[  330.861352]  ? __lock_is_held+0xb5/0x140
[  330.865420]  ? mark_held_locks+0x130/0x130
[  330.869658]  ? lock_release+0xa00/0xa00
[  330.873630]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.879088]  ? xa_load+0x2ba/0x460
[  330.882633]  ? lock_downgrade+0x900/0x900
[  330.886784]  ? __might_sleep+0x95/0x190
[  330.890770]  __alloc_pages_nodemask+0xad8/0xea0
[  330.895445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  330.900463]  ? __page_cache_alloc+0x191/0x5c0
[  330.904957]  ? xa_load+0x2e1/0x460
[  330.908498]  ? xa_clear_mark+0x40/0x40
[  330.912385]  ? zap_class+0x640/0x640
[  330.916109]  ? zap_class+0x640/0x640
[  330.919825]  ? zap_class+0x640/0x640
[  330.923537]  ? __do_page_cache_readahead+0x663/0x810
[  330.928647]  ? find_held_lock+0x36/0x1c0
[  330.932714]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  330.938269]  alloc_pages_current+0x173/0x350
[  330.942690]  __page_cache_alloc+0x38c/0x5c0
[  330.947009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.951935]  ? kasan_check_read+0x11/0x20
[  330.956086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.961369]  ? generic_perform_write+0x6a0/0x6a0
[  330.966125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.971664]  ? check_preemption_disabled+0x48/0x280
[  330.976690]  filemap_fault+0x1595/0x25f0
[  330.980763]  ? __lock_page_or_retry+0xa00/0xa00
[  330.985455]  ? mark_held_locks+0x130/0x130
[  330.989703]  ? filemap_map_pages+0xd6b/0x1a20
[  330.994200]  ? lock_downgrade+0x900/0x900
[  330.998346]  ? check_preemption_disabled+0x48/0x280
[  331.003378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.008312]  ? kasan_check_read+0x11/0x20
[  331.012456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.017733]  ? rcu_softirq_qs+0x20/0x20
[  331.021720]  ? filemap_map_pages+0xd92/0x1a20
[  331.026227]  ? find_get_entries_tag+0x1400/0x1400
[  331.031104]  ? lock_acquire+0x1ed/0x520
[  331.035077]  ? ext4_filemap_fault+0x7a/0xad
[  331.039404]  ? lock_release+0xa00/0xa00
[  331.043375]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.048823]  ? mark_held_locks+0x130/0x130
[  331.053058]  ? print_usage_bug+0xc0/0xc0
[  331.057121]  ? print_usage_bug+0xc0/0xc0
[  331.061192]  ? down_read+0x8d/0x120
[  331.064817]  ? ext4_filemap_fault+0x7a/0xad
[  331.069181]  ? __down_interruptible+0x700/0x700
[  331.073888]  ext4_filemap_fault+0x82/0xad
[  331.078038]  __do_fault+0x100/0x6b0
[  331.081669]  ? pmd_devmap_trans_unstable+0x220/0x220
[  331.086776]  ? mark_held_locks+0x130/0x130
[  331.091016]  ? mark_held_locks+0x130/0x130
[  331.095265]  ? hrtimer_forward+0x2a0/0x2a0
[  331.099507]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  331.104362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.109908]  __handle_mm_fault+0x3ea6/0x5be0
[  331.114324]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  331.119164]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  331.124271]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  331.129400]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.133983]  ? trace_hardirqs_on+0xbd/0x310
[  331.138312]  ? kasan_check_read+0x11/0x20
[  331.142461]  ? __free_object+0x173/0x340
[  331.146531]  ? zap_class+0x640/0x640
[  331.150243]  ? zap_class+0x640/0x640
[  331.153976]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  331.159112]  ? find_held_lock+0x36/0x1c0
[  331.163186]  ? handle_mm_fault+0x42a/0xc70
[  331.167429]  ? lock_downgrade+0x900/0x900
[  331.171576]  ? check_preemption_disabled+0x48/0x280
[  331.176595]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.181529]  ? kasan_check_read+0x11/0x20
[  331.185675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.190949]  ? rcu_softirq_qs+0x20/0x20
[  331.194921]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.200027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.205567]  ? check_preemption_disabled+0x48/0x280
[  331.210589]  handle_mm_fault+0x54f/0xc70
[  331.214653]  ? __handle_mm_fault+0x5be0/0x5be0
[  331.219242]  ? find_vma+0x34/0x190
[  331.222804]  __do_page_fault+0x5e8/0xe60
[  331.226865]  ? trace_hardirqs_off+0xb8/0x310
[  331.231305]  do_page_fault+0xf2/0x7e0
[  331.235106]  ? vmalloc_sync_all+0x30/0x30
[  331.239265]  ? error_entry+0x70/0xd0
[  331.242986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.248005]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.252934]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.257862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.262704]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.267718]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.273168]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.278190]  ? prepare_exit_to_usermode+0x291/0x3b0
[  331.283207]  ? page_fault+0x8/0x30
[  331.286775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.291622]  ? page_fault+0x8/0x30
[  331.295162]  page_fault+0x1e/0x30
[  331.298612] RIP: 0033:0x7f4afc2d3e40
[  331.302339] Code: Bad RIP value.
[  331.305700] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  331.311060] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  331.318330] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  331.325595] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  331.332889] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  331.340156] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  331.347451] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  331.347453] Mem-Info:
[  331.347484] active_anon:57379 inactive_anon:189 isolated_anon:0
[  331.347484]  active_file:13 inactive_file:16 isolated_file:0
[  331.347484]  unevictable:0 dirty:0 writeback:0 unstable:0
[  331.347484]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  331.347484]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  331.347484]  free:13771 free_pcp:208 free_cma:0
[  331.354820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.357269] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  331.390111] Call Trace:
[  331.399453] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  331.426942]  <IRQ>
[  331.429516] lowmem_reserve[]: 0 2818 6321 6321
[  331.455623]  dump_stack+0x244/0x39d
[  331.457743] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  331.462317]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.465917] lowmem_reserve[]: 0 0 3503 3503
[  331.493871]  warn_alloc.cold.116+0xb7/0x1bd
[  331.499031] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  331.503344]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.507642] lowmem_reserve[]: 0 0 0 0
[  331.536525]  ? lock_downgrade+0x900/0x900
[  331.541340] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  331.545187]  ? trace_hardirqs_off+0xb8/0x310
[  331.549320] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  331.562866]  ? trace_hardirqs_off+0xb8/0x310
[  331.567246] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  331.582686]  __alloc_pages_slowpath+0x2651/0x2de0
[  331.587071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  331.601646]  ? warn_alloc+0x120/0x120
[  331.606449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  331.615333]  ? print_usage_bug+0xc0/0xc0
[  331.619108] 273 total pagecache pages
[  331.627676]  ? warn_alloc+0x120/0x120
[  331.631722] 0 pages in swap cache
[  331.635506]  ? warn_alloc+0x120/0x120
[  331.639294] Swap cache stats: add 0, delete 0, find 0/0
[  331.642740]  ? print_usage_bug+0xc0/0xc0
[  331.646514] Free swap  = 0kB
[  331.651873]  ? kvm_clock_read+0x18/0x30
[  331.655904] Total swap = 0kB
[  331.658916]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  331.662864] 1965979 pages RAM
[  331.665880]  ? print_usage_bug+0xc0/0xc0
[  331.670874] 0 pages HighMem/MovableOnly
[  331.673972]  ? __lock_acquire+0x62f/0x4c20
[  331.678011] 342853 pages reserved
[  331.681980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.686187] 0 pages cma reserved
[  331.689633]  ? should_fail+0x22d/0xd01
[  331.695218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.698512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.698531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.702459] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.708893]  ? __lock_acquire+0x62f/0x4c20
[  331.714145] cron cpuset=/ mems_allowed=0
[  331.719244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.742281]  ? __lock_acquire+0x62f/0x4c20
[  331.746531]  ? should_fail+0x22d/0xd01
[  331.750420]  ? rcu_irq_exit+0x1a2/0x390
[  331.754405]  ? mark_held_locks+0x130/0x130
[  331.758647]  ? mark_held_locks+0x130/0x130
[  331.762888]  ? mark_held_locks+0xc7/0x130
[  331.767036]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  331.772053]  ? zap_class+0x640/0x640
[  331.775768]  ? print_usage_bug+0xc0/0xc0
[  331.779845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.785383]  ? check_preemption_disabled+0x48/0x280
[  331.790409]  ? __lock_is_held+0xb5/0x140
[  331.794477]  __alloc_pages_nodemask+0xad8/0xea0
[  331.799146]  ? zap_class+0x640/0x640
[  331.802883]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  331.807915]  ? find_held_lock+0x36/0x1c0
[  331.811986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.816655]  ? lock_downgrade+0x900/0x900
[  331.820813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.826358]  cache_grow_begin+0xa5/0x8c0
[  331.830420]  ? do_raw_spin_unlock+0xa7/0x330
[  331.834839]  fallback_alloc+0x204/0x2e0
[  331.838821]  ____cache_alloc_node+0x1c7/0x1e0
[  331.843322]  kmem_cache_alloc_node+0xe3/0x730
[  331.847820]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.852066]  __alloc_skb+0x119/0x770
[  331.855786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.861067]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.865477]  ? lock_downgrade+0x900/0x900
[  331.869636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.875173]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.880629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.886083]  ? addrconf_rs_timer+0x690/0x690
[  331.890501]  ndisc_alloc_skb+0x144/0x340
[  331.894571]  ndisc_send_rs+0x331/0x6e0
[  331.898466]  addrconf_rs_timer+0x314/0x690
[  331.902758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.907009]  call_timer_fn+0x272/0x920
[  331.910899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.915135]  ? process_timeout+0x40/0x40
[  331.919206]  ? __run_timers+0x7da/0xc70
[  331.923202]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.927750]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.932245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.936490]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.941076]  ? trace_hardirqs_on+0xbd/0x310
[  331.945399]  ? kasan_check_read+0x11/0x20
[  331.949547]  ? __run_timers+0x7da/0xc70
[  331.953524]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.958632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.962869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.967101]  __run_timers+0x7e5/0xc70
[  331.970911]  ? timer_fixup_init+0x70/0x70
[  331.975079]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.980142]  ? zap_class+0x640/0x640
[  331.983864]  ? enqueue_hrtimer+0x1a5/0x560
[  331.988099]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.993308]  ? find_held_lock+0x36/0x1c0
[  331.997378]  ? zap_class+0x640/0x640
[  332.001099]  ? pvclock_read_flags+0x160/0x160
[  332.005601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.011143]  ? check_preemption_disabled+0x48/0x280
[  332.016172]  ? __lock_is_held+0xb5/0x140
[  332.020336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.025876]  ? check_preemption_disabled+0x48/0x280
[  332.030926]  run_timer_softirq+0x52/0xb0
[  332.034991]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.040009]  __do_softirq+0x308/0xb7e
[  332.043817]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.048311]  ? lock_downgrade+0x900/0x900
[  332.052461]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.057572]  ? pvclock_read_flags+0x160/0x160
[  332.062071]  ? lapic_next_event+0x5a/0x90
[  332.066236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.071790]  ? kvm_clock_read+0x18/0x30
[  332.075795]  ? kvm_sched_clock_read+0x9/0x20
[  332.080207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.085747]  ? check_preemption_disabled+0x48/0x280
[  332.090781]  irq_exit+0x17f/0x1c0
[  332.094249]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.099096]  ? smp_reschedule_interrupt+0x109/0x650
[  332.104113]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.109997]  ? interrupt_entry+0xb5/0xc0
[  332.114058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.119076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.124090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.128933]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.133963]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.138977]  ? task_prio+0x50/0x50
[  332.142520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.148060]  ? check_preemption_disabled+0x48/0x280
[  332.153080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.157929]  apic_timer_interrupt+0xf/0x20
[  332.162156]  </IRQ>
[  332.164399] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  332.169336] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  332.188233] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  332.195975] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  332.203236] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  332.210512] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  332.217781] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  332.225047] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  332.232357]  skb_clone+0x1bb/0x500
[  332.235898]  ? finish_task_switch+0x1b4/0x910
[  332.240395]  ? skb_split+0x11e0/0x11e0
[  332.244294]  ? preempt_notifier_register+0x200/0x200
[  332.249393]  ? __switch_to_asm+0x34/0x70
[  332.253455]  ? __switch_to_asm+0x34/0x70
[  332.257536]  ? __switch_to_asm+0x40/0x70
[  332.261592]  ? __switch_to_asm+0x34/0x70
[  332.265649]  ? __switch_to_asm+0x40/0x70
[  332.269711]  ? __switch_to_asm+0x34/0x70
[  332.273770]  ? __switch_to_asm+0x40/0x70
[  332.277834]  ? __switch_to_asm+0x34/0x70
[  332.281891]  ? __switch_to_asm+0x34/0x70
[  332.285948]  ? __switch_to_asm+0x40/0x70
[  332.290005]  ? __switch_to_asm+0x34/0x70
[  332.294075]  bpf_clone_redirect+0xb9/0x490
[  332.298313]  ? __schedule+0x8d7/0x21d0
[  332.302206]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  332.307222]  ? __sched_text_start+0x8/0x8
[  332.311378]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.316135]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.320712]  ? retint_kernel+0x2d/0x2d
[  332.324607]  ? find_held_lock+0x36/0x1c0
[  332.328677]  ? lock_acquire+0x1ed/0x520
[  332.332653]  ? bpf_test_run+0x3ee/0x7a0
[  332.336633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.342186]  ? check_preemption_disabled+0x48/0x280
[  332.347220]  ? kasan_check_read+0x11/0x20
[  332.351406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.356680]  ? rcu_softirq_qs+0x20/0x20
[  332.360654]  ? preempt_schedule+0x4d/0x60
[  332.364947]  ? ___preempt_schedule+0x16/0x18
[  332.369368]  ? bpf_test_run+0x271/0x7a0
[  332.373370]  ? netlink_diag_dump+0x2a0/0x2a0
[  332.377786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.383328]  ? bpf_test_init.isra.10+0x70/0x100
[  332.388001]  ? bpf_prog_test_run_skb+0x762/0xd60
[  332.392771]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.397624]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  332.403167]  ? fput+0x130/0x1a0
[  332.406445]  ? __bpf_prog_get+0x9b/0x290
[  332.410511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.415362]  ? bpf_prog_test_run+0x130/0x1a0
[  332.419787]  ? __x64_sys_bpf+0x3d8/0x520
[  332.423861]  ? bpf_prog_get+0x20/0x20
[  332.427672]  ? do_syscall_64+0x1e1/0x820
[  332.431740]  ? do_syscall_64+0x1b9/0x820
[  332.435805]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  332.441175]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.446101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.450947]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.455962]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  332.460982]  ? prepare_exit_to_usermode+0x291/0x3b0
[  332.466021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.470874]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  332.476316] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  332.476388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.482821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.482830] Call Trace:
[  332.489408] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.498767]  <IRQ>
[  332.501349] syz-executor5 cpuset=syz5 mems_allowed=0
[  332.511825]  dump_stack+0x244/0x39d
[  332.522650]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.527850]  warn_alloc.cold.116+0xb7/0x1bd
[  332.532182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.537034]  ? lock_downgrade+0x900/0x900
[  332.541192]  ? trace_hardirqs_off+0xb8/0x310
[  332.545605]  ? trace_hardirqs_off+0xb8/0x310
[  332.550031]  __alloc_pages_slowpath+0x2651/0x2de0
[  332.554921]  ? warn_alloc+0x120/0x120
[  332.558723]  ? print_usage_bug+0xc0/0xc0
[  332.562784]  ? warn_alloc+0x120/0x120
[  332.566591]  ? warn_alloc+0x120/0x120
[  332.570394]  ? print_usage_bug+0xc0/0xc0
[  332.574478]  ? print_usage_bug+0xc0/0xc0
[  332.578541]  ? __lock_acquire+0x62f/0x4c20
[  332.582779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.588314]  ? should_fail+0x22d/0xd01
[  332.592204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.597313]  ? __lock_acquire+0x62f/0x4c20
[  332.601553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.606653]  ? __lock_acquire+0x62f/0x4c20
[  332.610886]  ? should_fail+0x22d/0xd01
[  332.614771]  ? find_held_lock+0x36/0x1c0
[  332.618840]  ? mark_held_locks+0x130/0x130
[  332.623078]  ? mark_held_locks+0x130/0x130
[  332.627316]  ? zap_class+0x640/0x640
[  332.631027]  ? zap_class+0x640/0x640
[  332.634742]  ? print_usage_bug+0xc0/0xc0
[  332.638800]  ? do_raw_spin_unlock+0xa7/0x330
[  332.643208]  ? zap_class+0x640/0x640
[  332.646926]  ? print_usage_bug+0xc0/0xc0
[  332.650985]  ? wq_watchdog_touch+0x9c/0xfe
[  332.655224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.660781]  ? check_preemption_disabled+0x48/0x280
[  332.665810]  ? __lock_is_held+0xb5/0x140
[  332.669872]  __alloc_pages_nodemask+0xad8/0xea0
[  332.674572]  ? zap_class+0x640/0x640
[  332.678301]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  332.683326]  ? find_held_lock+0x36/0x1c0
[  332.687412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.692093]  ? lock_downgrade+0x900/0x900
[  332.696296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.701840]  cache_grow_begin+0xa5/0x8c0
[  332.705897]  ? do_raw_spin_unlock+0xa7/0x330
[  332.710313]  fallback_alloc+0x204/0x2e0
[  332.714312]  ____cache_alloc_node+0x1c7/0x1e0
[  332.718811]  kmem_cache_alloc_node+0xe3/0x730
[  332.723319]  ? ipv6_get_ifaddr+0x42e/0x620
[  332.727582]  __alloc_skb+0x119/0x770
[  332.731303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.736583]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.741004]  ? lock_downgrade+0x900/0x900
[  332.745156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.750694]  ? refcount_sub_and_test_checked+0x203/0x310
[  332.756147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  332.761612]  ? addrconf_rs_timer+0x690/0x690
[  332.766030]  ndisc_alloc_skb+0x144/0x340
[  332.770096]  ndisc_send_rs+0x331/0x6e0
[  332.773990]  addrconf_rs_timer+0x314/0x690
[  332.778229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.782481]  call_timer_fn+0x272/0x920
[  332.786382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.790639]  ? process_timeout+0x40/0x40
[  332.794722]  ? mark_held_locks+0xc7/0x130
[  332.798875]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.803373]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.807862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.812109]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.816690]  ? trace_hardirqs_on+0xbd/0x310
[  332.821009]  ? kasan_check_read+0x11/0x20
[  332.825156]  ? __run_timers+0x7da/0xc70
[  332.829130]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.834240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.838488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.842723]  __run_timers+0x7e5/0xc70
[  332.846531]  ? timer_fixup_init+0x70/0x70
[  332.850681]  ? kasan_check_read+0x11/0x20
[  332.854827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.860106]  ? rcu_softirq_qs+0x20/0x20
[  332.864085]  ? mark_held_locks+0xc7/0x130
[  332.868235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.873002]  ? retint_kernel+0x2d/0x2d
[  332.876885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.881827]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.886583]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.892031]  ? zap_class+0x640/0x640
[  332.895747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.901306]  ? check_preemption_disabled+0x48/0x280
[  332.906332]  ? __lock_is_held+0xb5/0x140
[  332.910396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.915931]  ? check_preemption_disabled+0x48/0x280
[  332.920952]  run_timer_softirq+0x52/0xb0
[  332.925018]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.930173]  __do_softirq+0x308/0xb7e
[  332.933978]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.938472]  ? lock_downgrade+0x900/0x900
[  332.942621]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.947760]  ? pvclock_read_flags+0x160/0x160
[  332.952288]  ? lapic_next_event+0x5a/0x90
[  332.956454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.962022]  ? kvm_clock_read+0x18/0x30
[  332.966023]  ? kvm_sched_clock_read+0x9/0x20
[  332.970433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.975965]  ? check_preemption_disabled+0x48/0x280
[  332.980987]  irq_exit+0x17f/0x1c0
[  332.984445]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.989293]  ? smp_reschedule_interrupt+0x109/0x650
[  332.994322]  ? smp_call_function_single_interrupt+0x650/0x650
[  333.000204]  ? interrupt_entry+0xb5/0xc0
[  333.004289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.009321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.014335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.019177]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.024193]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.029206]  ? task_prio+0x50/0x50
[  333.032785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.038325]  ? check_preemption_disabled+0x48/0x280
[  333.043351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.048197]  apic_timer_interrupt+0xf/0x20
[  333.052440]  </IRQ>
[  333.054682] RIP: 0010:dump_stack+0x358/0x39d
[  333.059106] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  333.078015] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  333.085736] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  333.093001] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  333.100295] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  333.107580] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  333.114843] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  333.122134]  ? dump_stack+0x34f/0x39d
[  333.125947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.131138]  ? mark_held_locks+0x130/0x130
[  333.135403]  ? mark_held_locks+0x130/0x130
[  333.139640]  dump_header+0x27b/0xf72
[  333.143376]  ? pagefault_out_of_memory+0x197/0x197
[  333.148314]  ? __lock_acquire+0x62f/0x4c20
[  333.152552]  ? percpu_ref_get_many+0x240/0x240
[  333.157152]  ? print_usage_bug+0xc0/0xc0
[  333.161218]  ? zap_class+0x640/0x640
[  333.164933]  ? print_usage_bug+0xc0/0xc0
[  333.168997]  ? print_usage_bug+0xc0/0xc0
[  333.173092]  ? zap_class+0x640/0x640
[  333.176818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.182375]  ? find_held_lock+0x36/0x1c0
[  333.186443]  ? mark_held_locks+0xc7/0x130
[  333.190595]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.195694]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.200801]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.205391]  ? trace_hardirqs_on+0xbd/0x310
[  333.209713]  ? kasan_check_read+0x11/0x20
[  333.213860]  ? ___ratelimit+0x3b4/0x672
[  333.217835]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.222940]  ? trace_hardirqs_on+0x310/0x310
[  333.227353]  ? lock_downgrade+0x900/0x900
[  333.231505]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.236606]  ? ___ratelimit+0x3b9/0x672
[  333.240581]  ? idr_get_free+0xf70/0xf70
[  333.244556]  ? find_held_lock+0x36/0x1c0
[  333.248629]  oom_kill_process.cold.27+0x10/0x903
[  333.253390]  ? zap_class+0x640/0x640
[  333.257107]  ? check_preemption_disabled+0x48/0x280
[  333.262128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.267075]  ? kasan_check_read+0x11/0x20
[  333.271221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.276505]  ? oom_evaluate_task+0x540/0x540
[  333.280921]  ? find_held_lock+0x36/0x1c0
[  333.284997]  ? out_of_memory+0x974/0x1430
[  333.289161]  ? lock_downgrade+0x900/0x900
[  333.293314]  ? check_preemption_disabled+0x48/0x280
[  333.298336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.303269]  ? kasan_check_read+0x11/0x20
[  333.307423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.312700]  ? rcu_softirq_qs+0x20/0x20
[  333.316685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.322220]  ? oom_evaluate_task+0x302/0x540
[  333.326637]  out_of_memory+0xa84/0x1430
[  333.330617]  ? oom_killer_disable+0x3a0/0x3a0
[  333.335131]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  333.340074]  ? __ww_mutex_check_waiters+0x160/0x160
[  333.345103]  __alloc_pages_slowpath+0x232c/0x2de0
[  333.349973]  ? warn_alloc+0x120/0x120
[  333.353771]  ? mark_held_locks+0x130/0x130
[  333.358009]  ? find_get_entry+0xaae/0x1120
[  333.362251]  ? filemap_map_pages+0x1a20/0x1a20
[  333.367360]  ? zap_class+0x640/0x640
[  333.371095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.376635]  ? check_preemption_disabled+0x48/0x280
[  333.381669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.387208]  ? should_fail+0x22d/0xd01
[  333.391162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.396280]  ? zap_class+0x640/0x640
[  333.400017]  ? __lock_is_held+0xb5/0x140
[  333.404084]  ? mark_held_locks+0x130/0x130
[  333.408351]  ? lock_release+0xa00/0xa00
[  333.412328]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.417779]  ? xa_load+0x2ba/0x460
[  333.421324]  ? lock_downgrade+0x900/0x900
[  333.425475]  ? __might_sleep+0x95/0x190
[  333.429456]  __alloc_pages_nodemask+0xad8/0xea0
[  333.434132]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  333.439165]  ? __page_cache_alloc+0x191/0x5c0
[  333.443663]  ? xa_load+0x2e1/0x460
[  333.447207]  ? xa_clear_mark+0x40/0x40
[  333.451103]  ? zap_class+0x640/0x640
[  333.454824]  ? zap_class+0x640/0x640
[  333.458545]  ? zap_class+0x640/0x640
[  333.462267]  ? __do_page_cache_readahead+0x663/0x810
[  333.467411]  ? find_held_lock+0x36/0x1c0
[  333.471480]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  333.477041]  alloc_pages_current+0x173/0x350
[  333.481486]  __page_cache_alloc+0x38c/0x5c0
[  333.485822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.490751]  ? kasan_check_read+0x11/0x20
[  333.494897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.500175]  ? generic_perform_write+0x6a0/0x6a0
[  333.504932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.510468]  ? check_preemption_disabled+0x48/0x280
[  333.515512]  filemap_fault+0x1595/0x25f0
[  333.519583]  ? __lock_page_or_retry+0xa00/0xa00
[  333.524281]  ? mark_held_locks+0x130/0x130
[  333.528527]  ? filemap_map_pages+0xd6b/0x1a20
[  333.533026]  ? lock_downgrade+0x900/0x900
[  333.537177]  ? check_preemption_disabled+0x48/0x280
[  333.542193]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.547124]  ? kasan_check_read+0x11/0x20
[  333.551281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.556577]  ? rcu_softirq_qs+0x20/0x20
[  333.560577]  ? filemap_map_pages+0xd92/0x1a20
[  333.565085]  ? find_get_entries_tag+0x1400/0x1400
[  333.569946]  ? lock_acquire+0x1ed/0x520
[  333.573929]  ? ext4_filemap_fault+0x7a/0xad
[  333.578294]  ? lock_release+0xa00/0xa00
[  333.582294]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.587760]  ? mark_held_locks+0x130/0x130
[  333.591990]  ? print_usage_bug+0xc0/0xc0
[  333.596050]  ? print_usage_bug+0xc0/0xc0
[  333.600125]  ? down_read+0x8d/0x120
[  333.603747]  ? ext4_filemap_fault+0x7a/0xad
[  333.608066]  ? __down_interruptible+0x700/0x700
[  333.612771]  ext4_filemap_fault+0x82/0xad
[  333.616924]  __do_fault+0x100/0x6b0
[  333.620553]  ? pmd_devmap_trans_unstable+0x220/0x220
[  333.625704]  ? mark_held_locks+0x130/0x130
[  333.629936]  ? mark_held_locks+0x130/0x130
[  333.634193]  ? hrtimer_forward+0x2a0/0x2a0
[  333.638422]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  333.643274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.648887]  __handle_mm_fault+0x3ea6/0x5be0
[  333.653311]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  333.658151]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.663251]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.668381]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.672967]  ? trace_hardirqs_on+0xbd/0x310
[  333.677299]  ? kasan_check_read+0x11/0x20
[  333.681447]  ? __free_object+0x173/0x340
[  333.685519]  ? zap_class+0x640/0x640
[  333.689233]  ? zap_class+0x640/0x640
[  333.692974]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.698084]  ? find_held_lock+0x36/0x1c0
[  333.702168]  ? handle_mm_fault+0x42a/0xc70
[  333.706418]  ? lock_downgrade+0x900/0x900
[  333.710565]  ? check_preemption_disabled+0x48/0x280
[  333.715585]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.720512]  ? kasan_check_read+0x11/0x20
[  333.724656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.729932]  ? rcu_softirq_qs+0x20/0x20
[  333.733933]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.739039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.744574]  ? check_preemption_disabled+0x48/0x280
[  333.749595]  handle_mm_fault+0x54f/0xc70
[  333.753662]  ? __handle_mm_fault+0x5be0/0x5be0
[  333.758247]  ? find_vma+0x34/0x190
[  333.761803]  __do_page_fault+0x5e8/0xe60
[  333.765861]  ? trace_hardirqs_off+0xb8/0x310
[  333.770291]  do_page_fault+0xf2/0x7e0
[  333.774092]  ? vmalloc_sync_all+0x30/0x30
[  333.778238]  ? error_entry+0x70/0xd0
[  333.781964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.786980]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.791907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.796845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.801687]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.806715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.812198]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.817216]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.822234]  ? page_fault+0x8/0x30
[  333.825798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.830653]  ? page_fault+0x8/0x30
[  333.834194]  page_fault+0x1e/0x30
[  333.837663] RIP: 0033:0x7f4afc2d3e40
[  333.841385] Code: Bad RIP value.
[  333.844749] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  333.850125] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  333.857403] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  333.864671] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  333.871935] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  333.879201] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  333.886487] warn_alloc_show_mem: 1 callbacks suppressed
[  333.886499] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  333.886501] Mem-Info:
[  333.886533] active_anon:57379 inactive_anon:189 isolated_anon:0
[  333.886533]  active_file:13 inactive_file:16 isolated_file:0
[  333.886533]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.886533]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  333.886533]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  333.886533]  free:13771 free_pcp:208 free_cma:0
[  333.891873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.899235] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.901636] Call Trace:
[  333.934502] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  333.943841]  <IRQ>
[  333.971318] lowmem_reserve[]: 0 2818 6321 6321
[  333.973898]  dump_stack+0x244/0x39d
[  333.999974] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  334.002119]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.006671] lowmem_reserve[]: 0 0 3503 3503
[  334.010335]  warn_alloc.cold.116+0xb7/0x1bd
[  334.037900] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  334.043089]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.047381] lowmem_reserve[]: 0 0 0 0
[  334.051702]  ? lock_downgrade+0x900/0x900
[  334.080559] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  334.085400]  ? trace_hardirqs_off+0xb8/0x310
[  334.089170] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  334.093314]  ? trace_hardirqs_off+0xb8/0x310
[  334.106825] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  334.111232]  __alloc_pages_slowpath+0x2651/0x2de0
[  334.126645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  334.131063]  ? warn_alloc+0x120/0x120
[  334.145674] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  334.150502]  ? print_usage_bug+0xc0/0xc0
[  334.159311] 273 total pagecache pages
[  334.163104]  ? warn_alloc+0x120/0x120
[  334.171662] 0 pages in swap cache
[  334.175713]  ? warn_alloc+0x120/0x120
[  334.179491] Swap cache stats: add 0, delete 0, find 0/0
[  334.183293]  ? print_usage_bug+0xc0/0xc0
[  334.186718] Free swap  = 0kB
[  334.190529]  ? kvm_clock_read+0x18/0x30
[  334.195864] Total swap = 0kB
[  334.199919]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  334.202913] 1965979 pages RAM
[  334.206879]  ? print_usage_bug+0xc0/0xc0
[  334.209879] 0 pages HighMem/MovableOnly
[  334.214885]  ? __lock_acquire+0x62f/0x4c20
[  334.217968] 342853 pages reserved
[  334.222022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.225972] 0 pages cma reserved
[  334.230203]  ? should_fail+0x22d/0xd01
[  334.233694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.239151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.239170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.239187]  ? __lock_acquire+0x62f/0x4c20
[  334.242586] cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.246412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.252879] cron cpuset=/ mems_allowed=0
[  334.258147]  ? __lock_acquire+0x62f/0x4c20
[  334.290496]  ? should_fail+0x22d/0xd01
[  334.294380]  ? rcu_irq_exit+0x1a2/0x390
[  334.298362]  ? mark_held_locks+0x130/0x130
[  334.302602]  ? mark_held_locks+0x130/0x130
[  334.306842]  ? mark_held_locks+0xc7/0x130
[  334.310989]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  334.316004]  ? zap_class+0x640/0x640
[  334.319717]  ? print_usage_bug+0xc0/0xc0
[  334.323787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.329340]  ? check_preemption_disabled+0x48/0x280
[  334.334363]  ? __lock_is_held+0xb5/0x140
[  334.338431]  __alloc_pages_nodemask+0xad8/0xea0
[  334.343098]  ? zap_class+0x640/0x640
[  334.346816]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  334.351843]  ? find_held_lock+0x36/0x1c0
[  334.355914]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.360591]  ? lock_downgrade+0x900/0x900
[  334.364927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.370473]  cache_grow_begin+0xa5/0x8c0
[  334.374536]  ? do_raw_spin_unlock+0xa7/0x330
[  334.378949]  fallback_alloc+0x204/0x2e0
[  334.382929]  ____cache_alloc_node+0x1c7/0x1e0
[  334.387443]  kmem_cache_alloc_node+0xe3/0x730
[  334.391940]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.396184]  __alloc_skb+0x119/0x770
[  334.399898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.405185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.409591]  ? lock_downgrade+0x900/0x900
[  334.413744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.419290]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.424924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.430377]  ? addrconf_rs_timer+0x690/0x690
[  334.434802]  ndisc_alloc_skb+0x144/0x340
[  334.438872]  ndisc_send_rs+0x331/0x6e0
[  334.442790]  addrconf_rs_timer+0x314/0x690
[  334.447045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.451299]  call_timer_fn+0x272/0x920
[  334.455186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.459422]  ? process_timeout+0x40/0x40
[  334.463489]  ? __run_timers+0x7da/0xc70
[  334.467465]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.471958]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.476454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.480692]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.485285]  ? trace_hardirqs_on+0xbd/0x310
[  334.489608]  ? kasan_check_read+0x11/0x20
[  334.493751]  ? __run_timers+0x7da/0xc70
[  334.498228]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.503336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.507579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.511811]  __run_timers+0x7e5/0xc70
[  334.515625]  ? timer_fixup_init+0x70/0x70
[  334.519783]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.524803]  ? zap_class+0x640/0x640
[  334.528519]  ? enqueue_hrtimer+0x1a5/0x560
[  334.532753]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.537951]  ? find_held_lock+0x36/0x1c0
[  334.542039]  ? zap_class+0x640/0x640
[  334.545751]  ? pvclock_read_flags+0x160/0x160
[  334.550250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.555855]  ? check_preemption_disabled+0x48/0x280
[  334.560909]  ? __lock_is_held+0xb5/0x140
[  334.564971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.570507]  ? check_preemption_disabled+0x48/0x280
[  334.575526]  run_timer_softirq+0x52/0xb0
[  334.579585]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.584605]  __do_softirq+0x308/0xb7e
[  334.588406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.592898]  ? lock_downgrade+0x900/0x900
[  334.597057]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.602169]  ? pvclock_read_flags+0x160/0x160
[  334.606666]  ? lapic_next_event+0x5a/0x90
[  334.610813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.616368]  ? kvm_clock_read+0x18/0x30
[  334.620344]  ? kvm_sched_clock_read+0x9/0x20
[  334.624755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.630299]  ? check_preemption_disabled+0x48/0x280
[  334.635322]  irq_exit+0x17f/0x1c0
[  334.638781]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.643619]  ? smp_reschedule_interrupt+0x109/0x650
[  334.648637]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.654518]  ? interrupt_entry+0xb5/0xc0
[  334.658580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.663603]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.668617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.673477]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.678491]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.683509]  ? task_prio+0x50/0x50
[  334.687053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.692591]  ? check_preemption_disabled+0x48/0x280
[  334.697611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.702460]  apic_timer_interrupt+0xf/0x20
[  334.706716]  </IRQ>
[  334.708966] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.713892] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  334.732791] RSP: 0000:ffff88819be376f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.740496] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  334.747764] RDX: 0000000000000000 RSI: ffff888195ffaa80 RDI: 0000000000000286
[  334.755037] RBP: ffff88819be37760 R08: ffff888195ffa200 R09: 0000000000000000
[  334.762322] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.769590] R13: ffff8881d9a1c0c0 R14: ffff8881d9a1c0c0 R15: 0000000000480020
[  334.776926]  skb_clone+0x1bb/0x500
[  334.780469]  ? finish_task_switch+0x1b4/0x910
[  334.784965]  ? skb_split+0x11e0/0x11e0
[  334.788867]  ? preempt_notifier_register+0x200/0x200
[  334.793963]  ? __switch_to_asm+0x34/0x70
[  334.798021]  ? __switch_to_asm+0x34/0x70
[  334.802079]  ? __switch_to_asm+0x40/0x70
[  334.806135]  ? __switch_to_asm+0x34/0x70
[  334.810205]  ? __switch_to_asm+0x40/0x70
[  334.814270]  ? __switch_to_asm+0x34/0x70
[  334.818345]  ? __switch_to_asm+0x40/0x70
[  334.822401]  ? __switch_to_asm+0x34/0x70
[  334.826461]  ? __switch_to_asm+0x34/0x70
[  334.830518]  ? __switch_to_asm+0x40/0x70
[  334.834574]  ? __switch_to_asm+0x34/0x70
[  334.838637]  bpf_clone_redirect+0xb9/0x490
[  334.842870]  ? __schedule+0x8d7/0x21d0
[  334.846762]  bpf_prog_bebbfe2050753572+0x81b/0x1000
[  334.851799]  ? __sched_text_start+0x8/0x8
[  334.855960]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.860737]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.865332]  ? retint_kernel+0x2d/0x2d
[  334.869221]  ? find_held_lock+0x36/0x1c0
[  334.873307]  ? lock_acquire+0x1ed/0x520
[  334.877289]  ? bpf_test_run+0x3ee/0x7a0
[  334.881278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.886822]  ? check_preemption_disabled+0x48/0x280
[  334.891840]  ? kasan_check_read+0x11/0x20
[  334.896000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.901281]  ? rcu_softirq_qs+0x20/0x20
[  334.905265]  ? preempt_schedule+0x4d/0x60
[  334.909416]  ? ___preempt_schedule+0x16/0x18
[  334.913835]  ? bpf_test_run+0x271/0x7a0
[  334.917824]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.922235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.927787]  ? bpf_test_init.isra.10+0x70/0x100
[  334.932462]  ? bpf_prog_test_run_skb+0x762/0xd60
[  334.937228]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.942084]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.947620]  ? fput+0x130/0x1a0
[  334.950903]  ? __bpf_prog_get+0x9b/0x290
[  334.954966]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.959808]  ? bpf_prog_test_run+0x130/0x1a0
[  334.964217]  ? __x64_sys_bpf+0x3d8/0x520
[  334.968293]  ? bpf_prog_get+0x20/0x20
[  334.972111]  ? do_syscall_64+0x1e1/0x820
[  334.976178]  ? do_syscall_64+0x1b9/0x820
[  334.980236]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.985609]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.990539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.995384]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.000400]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  335.005421]  ? prepare_exit_to_usermode+0x291/0x3b0
[  335.010445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.015299]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  335.020683] CPU: 0 PID: 5970 Comm: cron Not tainted 4.20.0-rc6+ #106
[  335.020759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  335.027175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  335.027181] Call Trace:
[  335.027187]  <IRQ>
[  335.027205]  dump_stack+0x244/0x39d
[  335.027227]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.033750] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  335.043050]  warn_alloc.cold.116+0xb7/0x1bd
[  335.045606] syz-executor5 cpuset=syz5 mems_allowed=0
[  335.047754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.081407]  ? lock_downgrade+0x900/0x900
[  335.085565]  ? trace_hardirqs_off+0xb8/0x310
[  335.089983]  ? trace_hardirqs_off+0xb8/0x310
[  335.094404]  __alloc_pages_slowpath+0x2651/0x2de0
[  335.099289]  ? warn_alloc+0x120/0x120
[  335.103112]  ? print_usage_bug+0xc0/0xc0
[  335.107172]  ? warn_alloc+0x120/0x120
[  335.110981]  ? warn_alloc+0x120/0x120
[  335.114783]  ? print_usage_bug+0xc0/0xc0
[  335.118848]  ? print_usage_bug+0xc0/0xc0
[  335.122914]  ? __lock_acquire+0x62f/0x4c20
[  335.127155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.132695]  ? should_fail+0x22d/0xd01
[  335.136591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.141697]  ? __lock_acquire+0x62f/0x4c20
[  335.145934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.151053]  ? __lock_acquire+0x62f/0x4c20
[  335.155296]  ? should_fail+0x22d/0xd01
[  335.159181]  ? find_held_lock+0x36/0x1c0
[  335.163261]  ? mark_held_locks+0x130/0x130
[  335.167508]  ? mark_held_locks+0x130/0x130
[  335.171742]  ? zap_class+0x640/0x640
[  335.175457]  ? zap_class+0x640/0x640
[  335.179176]  ? print_usage_bug+0xc0/0xc0
[  335.183233]  ? do_raw_spin_unlock+0xa7/0x330
[  335.187645]  ? zap_class+0x640/0x640
[  335.191362]  ? print_usage_bug+0xc0/0xc0
[  335.195424]  ? wq_watchdog_touch+0x9c/0xfe
[  335.199660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.205201]  ? check_preemption_disabled+0x48/0x280
[  335.210225]  ? __lock_is_held+0xb5/0x140
[  335.214319]  __alloc_pages_nodemask+0xad8/0xea0
[  335.219002]  ? zap_class+0x640/0x640
[  335.222723]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  335.227748]  ? find_held_lock+0x36/0x1c0
[  335.231816]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.236487]  ? lock_downgrade+0x900/0x900
[  335.240641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.246183]  cache_grow_begin+0xa5/0x8c0
[  335.250243]  ? do_raw_spin_unlock+0xa7/0x330
[  335.254669]  fallback_alloc+0x204/0x2e0
[  335.258651]  ____cache_alloc_node+0x1c7/0x1e0
[  335.263150]  kmem_cache_alloc_node+0xe3/0x730
[  335.267650]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.271894]  __alloc_skb+0x119/0x770
[  335.275605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.280887]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.285298]  ? lock_downgrade+0x900/0x900
[  335.289453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.294988]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.300443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.305891]  ? addrconf_rs_timer+0x690/0x690
[  335.310315]  ndisc_alloc_skb+0x144/0x340
[  335.314383]  ndisc_send_rs+0x331/0x6e0
[  335.318286]  addrconf_rs_timer+0x314/0x690
[  335.322528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.326776]  call_timer_fn+0x272/0x920
[  335.330662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.334912]  ? process_timeout+0x40/0x40
[  335.338993]  ? mark_held_locks+0xc7/0x130
[  335.343171]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.347667]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.352156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.356748]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.361347]  ? trace_hardirqs_on+0xbd/0x310
[  335.366152]  ? kasan_check_read+0x11/0x20
[  335.370307]  ? __run_timers+0x7da/0xc70
[  335.374289]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.379395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.383634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.387884]  __run_timers+0x7e5/0xc70
[  335.391695]  ? timer_fixup_init+0x70/0x70
[  335.395844]  ? kasan_check_read+0x11/0x20
[  335.399990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.405274]  ? rcu_softirq_qs+0x20/0x20
[  335.409305]  ? mark_held_locks+0xc7/0x130
[  335.413456]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  335.418213]  ? retint_kernel+0x2d/0x2d
[  335.422099]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.427028]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  335.431789]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.437244]  ? zap_class+0x640/0x640
[  335.440976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.446515]  ? check_preemption_disabled+0x48/0x280
[  335.451540]  ? __lock_is_held+0xb5/0x140
[  335.455600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.461137]  ? check_preemption_disabled+0x48/0x280
[  335.466157]  run_timer_softirq+0x52/0xb0
[  335.470220]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.475292]  __do_softirq+0x308/0xb7e
[  335.479099]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.483592]  ? lock_downgrade+0x900/0x900
[  335.487743]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.492859]  ? pvclock_read_flags+0x160/0x160
[  335.497355]  ? lapic_next_event+0x5a/0x90
[  335.501520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.507060]  ? kvm_clock_read+0x18/0x30
[  335.511031]  ? kvm_sched_clock_read+0x9/0x20
[  335.515440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.520992]  ? check_preemption_disabled+0x48/0x280
[  335.526012]  irq_exit+0x17f/0x1c0
[  335.529463]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.534311]  ? smp_reschedule_interrupt+0x109/0x650
[  335.539331]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.545212]  ? interrupt_entry+0xb5/0xc0
[  335.549298]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.554329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.559349]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.564212]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.569229]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.574251]  ? task_prio+0x50/0x50
[  335.577834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.583372]  ? check_preemption_disabled+0x48/0x280
[  335.588396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.593245]  apic_timer_interrupt+0xf/0x20
[  335.597493]  </IRQ>
[  335.599737] RIP: 0010:dump_stack+0x358/0x39d
[  335.604145] Code: 74 0c 48 c7 c7 f0 00 52 89 e8 91 f7 ef f9 48 83 3d f9 0d 7f 01 00 0f 84 63 fe ff ff e8 6e 91 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 91 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  335.623042] RSP: 0000:ffff8881c42de1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  335.630747] RAX: ffff8881c6558280 RBX: 1ffffffff12a401e RCX: 1ffff11038cab16e
[  335.638029] RDX: 0000000000000000 RSI: ffffffff87d2f302 RDI: 0000000000000293
[  335.645306] RBP: ffff8881c42de290 R08: ffff8881c6558b70 R09: 0000000000000006
[  335.652574] R10: 0000000000000000 R11: ffff8881c6558280 R12: 1ffff1103885bc45
[  335.659854] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  335.667136]  ? dump_stack+0x34f/0x39d
[  335.670954]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.676148]  ? mark_held_locks+0x130/0x130
[  335.680383]  ? mark_held_locks+0x130/0x130
[  335.684621]  dump_header+0x27b/0xf72
[  335.688348]  ? pagefault_out_of_memory+0x197/0x197
[  335.693294]  ? __lock_acquire+0x62f/0x4c20
[  335.697534]  ? percpu_ref_get_many+0x240/0x240
[  335.702122]  ? print_usage_bug+0xc0/0xc0
[  335.706191]  ? zap_class+0x640/0x640
[  335.709905]  ? print_usage_bug+0xc0/0xc0
[  335.713964]  ? print_usage_bug+0xc0/0xc0
[  335.718025]  ? zap_class+0x640/0x640
[  335.721739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.727303]  ? find_held_lock+0x36/0x1c0
[  335.731374]  ? mark_held_locks+0xc7/0x130
[  335.735555]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.740660]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.745767]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.750354]  ? trace_hardirqs_on+0xbd/0x310
[  335.754675]  ? kasan_check_read+0x11/0x20
[  335.758907]  ? ___ratelimit+0x3b4/0x672
[  335.762882]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.767984]  ? trace_hardirqs_on+0x310/0x310
[  335.772392]  ? lock_downgrade+0x900/0x900
[  335.776546]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.781650]  ? ___ratelimit+0x3b9/0x672
[  335.785626]  ? idr_get_free+0xf70/0xf70
[  335.789602]  ? find_held_lock+0x36/0x1c0
[  335.793671]  oom_kill_process.cold.27+0x10/0x903
[  335.798430]  ? zap_class+0x640/0x640
[  335.802151]  ? check_preemption_disabled+0x48/0x280
[  335.807173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.812105]  ? kasan_check_read+0x11/0x20
[  335.816250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.821552]  ? oom_evaluate_task+0x540/0x540
[  335.825964]  ? find_held_lock+0x36/0x1c0
[  335.830035]  ? out_of_memory+0x974/0x1430
[  335.834186]  ? lock_downgrade+0x900/0x900
[  335.838337]  ? check_preemption_disabled+0x48/0x280
[  335.843356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.848294]  ? kasan_check_read+0x11/0x20
[  335.852445]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.857723]  ? rcu_softirq_qs+0x20/0x20
[  335.861700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.867236]  ? oom_evaluate_task+0x302/0x540
[  335.871660]  out_of_memory+0xa84/0x1430
[  335.875645]  ? oom_killer_disable+0x3a0/0x3a0
[  335.880142]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  335.885074]  ? __ww_mutex_check_waiters+0x160/0x160
[  335.890106]  __alloc_pages_slowpath+0x232c/0x2de0
[  335.894979]  ? warn_alloc+0x120/0x120
[  335.898779]  ? mark_held_locks+0x130/0x130
[  335.903023]  ? find_get_entry+0xaae/0x1120
[  335.907281]  ? filemap_map_pages+0x1a20/0x1a20
[  335.911868]  ? zap_class+0x640/0x640
[  335.915588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.921129]  ? check_preemption_disabled+0x48/0x280
[  335.926144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.931679]  ? should_fail+0x22d/0xd01
[  335.935571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.940677]  ? zap_class+0x640/0x640
[  335.944415]  ? __lock_is_held+0xb5/0x140
[  335.948482]  ? mark_held_locks+0x130/0x130
[  335.952723]  ? lock_release+0xa00/0xa00
[  335.956696]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.962145]  ? xa_load+0x2ba/0x460
[  335.965685]  ? lock_downgrade+0x900/0x900
[  335.969837]  ? __might_sleep+0x95/0x190
[  335.973820]  __alloc_pages_nodemask+0xad8/0xea0
[  335.978497]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  335.983514]  ? __page_cache_alloc+0x191/0x5c0
[  335.988011]  ? xa_load+0x2e1/0x460
[  335.991557]  ? xa_clear_mark+0x40/0x40
[  335.995448]  ? zap_class+0x640/0x640
[  335.999168]  ? zap_class+0x640/0x640
[  336.002881]  ? zap_class+0x640/0x640
[  336.006592]  ? __do_page_cache_readahead+0x663/0x810
[  336.011700]  ? find_held_lock+0x36/0x1c0
[  336.015771]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  336.021317]  alloc_pages_current+0x173/0x350
[  336.025734]  __page_cache_alloc+0x38c/0x5c0
[  336.030053]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.034978]  ? kasan_check_read+0x11/0x20
[  336.039125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.044402]  ? generic_perform_write+0x6a0/0x6a0
[  336.049162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.054703]  ? check_preemption_disabled+0x48/0x280
[  336.059726]  filemap_fault+0x1595/0x25f0
[  336.063803]  ? __lock_page_or_retry+0xa00/0xa00
[  336.068480]  ? mark_held_locks+0x130/0x130
[  336.072724]  ? filemap_map_pages+0xd6b/0x1a20
[  336.077219]  ? lock_downgrade+0x900/0x900
[  336.081370]  ? check_preemption_disabled+0x48/0x280
[  336.086389]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.091329]  ? kasan_check_read+0x11/0x20
[  336.095478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.100754]  ? rcu_softirq_qs+0x20/0x20
[  336.104738]  ? filemap_map_pages+0xd92/0x1a20
[  336.109247]  ? find_get_entries_tag+0x1400/0x1400
[  336.114123]  ? lock_acquire+0x1ed/0x520
[  336.118101]  ? ext4_filemap_fault+0x7a/0xad
[  336.122430]  ? lock_release+0xa00/0xa00
[  336.126401]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.131852]  ? mark_held_locks+0x130/0x130
[  336.136086]  ? print_usage_bug+0xc0/0xc0
[  336.140160]  ? print_usage_bug+0xc0/0xc0
[  336.144234]  ? down_read+0x8d/0x120
[  336.147867]  ? ext4_filemap_fault+0x7a/0xad
[  336.152193]  ? __down_interruptible+0x700/0x700
[  336.156869]  ext4_filemap_fault+0x82/0xad
[  336.161017]  __do_fault+0x100/0x6b0
[  336.164650]  ? pmd_devmap_trans_unstable+0x220/0x220
[  336.169759]  ? mark_held_locks+0x130/0x130
[  336.173998]  ? mark_held_locks+0x130/0x130
[  336.178236]  ? hrtimer_forward+0x2a0/0x2a0
[  336.182476]  ? hrtimer_start_range_ns+0x6c4/0xe00
[  336.187321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.192864]  __handle_mm_fault+0x3ea6/0x5be0
[  336.197296]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  336.202141]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.207242]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.212362]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.216948]  ? trace_hardirqs_on+0xbd/0x310
[  336.221282]  ? kasan_check_read+0x11/0x20
[  336.225440]  ? __free_object+0x173/0x340
[  336.229510]  ? zap_class+0x640/0x640
[  336.233222]  ? zap_class+0x640/0x640
[  336.236938]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.242047]  ? find_held_lock+0x36/0x1c0
[  336.246127]  ? handle_mm_fault+0x42a/0xc70
[  336.250379]  ? lock_downgrade+0x900/0x900
[  336.254525]  ? check_preemption_disabled+0x48/0x280
[  336.259546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.264472]  ? kasan_check_read+0x11/0x20
[  336.268616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.273890]  ? rcu_softirq_qs+0x20/0x20
[  336.277864]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.282972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.288508]  ? check_preemption_disabled+0x48/0x280
[  336.293531]  handle_mm_fault+0x54f/0xc70
[  336.297594]  ? __handle_mm_fault+0x5be0/0x5be0
[  336.302179]  ? find_vma+0x34/0x190
[  336.305728]  __do_page_fault+0x5e8/0xe60
[  336.309788]  ? trace_hardirqs_off+0xb8/0x310
[  336.314210]  do_page_fault+0xf2/0x7e0
[  336.318024]  ? vmalloc_sync_all+0x30/0x30
[  336.322171]  ? error_entry+0x70/0xd0
[  336.325886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.330902]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.335841]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.340766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.345613]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.350659]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.356109]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.361134]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.366653]  ? page_fault+0x8/0x30
[  336.370196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.375038]  ? page_fault+0x8/0x30
[  336.378581]  page_fault+0x1e/0x30
[  336.382050] RIP: 0033:0x7f4afc2d3e40
[  336.385787] Code: Bad RIP value.
[  336.389149] RSP: 002b:00007ffe5d12ba58 EFLAGS: 00010246
[  336.394512] RAX: 0000000000000000 RBX: 00007ffe5d12bb80 RCX: 00007f4afc2d3e40
[  336.401776] RDX: 0000000000000000 RSI: 00007ffe5d12bc00 RDI: 00007ffe5d12bc00
[  336.409043] RBP: 00007ffe5d12bb00 R08: 00007ffe5d12ba60 R09: 0000000000000000
[  336.416309] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  336.423573] R13: 00007ffe5d12bd60 R14: 0000000000000000 R15: 0000000000000000
[  336.430864] CPU: 1 PID: 10593 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  336.430870] warn_alloc_show_mem: 1 callbacks suppressed
[  336.430877] Mem-Info:
[  336.438236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.443609] active_anon:57379 inactive_anon:189 isolated_anon:0
[  336.443609]  active_file:13 inactive_file:16 isolated_file:0
[  336.443609]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.443609]  slab_reclaimable:9307 slab_unreclaimable:1449374
[  336.443609]  mapped:40979 shmem:244 pagetables:656 bounce:0
[  336.443609]  free:13771 free_pcp:208 free_cma:0
[  336.445979] Call Trace:
[  336.455387] Node 0 active_anon:229516kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.488248]  <IRQ>
[  336.490829] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  336.518859]  dump_stack+0x244/0x39d
[  336.520985] lowmem_reserve[]: 0 2818 6321 6321
[  336.547099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.550699] Node 0 DMA32 free:25160kB min:30052kB low:37564kB high:45076kB active_anon:6144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  336.555288]  warn_alloc.cold.116+0xb7/0x1bd
[  336.560445] lowmem_reserve[]: 0 0 3503 3503
[  336.588029]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.592322] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:223372kB inactive_anon:756kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6816kB pagetables:2624kB bounce:0kB free_pcp:584kB local_pcp:544kB free_cma:0kB
[  336.596646]  ? lock_downgrade+0x900/0x900
[  336.601456] lowmem_reserve[]: 0 0 0 0
[  336.630343]  ? trace_hardirqs_off+0xb8/0x310
[  336.634461] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  336.638268]  ? trace_hardirqs_off+0xb8/0x310
[  336.642656] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25160kB
[  336.656177]  __alloc_pages_slowpath+0x2651/0x2de0
[  336.660558] Node 0 Normal: 802*4kB (MEH) 391*8kB (ME) 170*16kB (MEH) 66*32kB (UMEH) 13*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14048kB
[  336.676012]  ? warn_alloc+0x120/0x120
[  336.680813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.695365]  ? print_usage_bug+0xc0/0xc0
[  336.699143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.707966]  ? warn_alloc+0x120/0x120
[  336.712004] 273 total pagecache pages
[  336.720568]  ? warn_alloc+0x120/0x120
[  336.724354] 0 pages in swap cache
[  336.728146]  ? print_usage_bug+0xc0/0xc0
[  336.731923] Swap cache stats: add 0, delete 0, find 0/0
[  336.735363]  ? print_usage_bug+0xc0/0xc0
[  336.739402] Free swap  = 0kB
[  336.744760]  ? __lock_acquire+0x62f/0x4c20
[  336.748794] Total swap = 0kB
[  336.751809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.756016] 1965979 pages RAM
[  336.759028]  ? should_fail+0x22d/0xd01
[  336.764536] 0 pages HighMem/MovableOnly
[  336.767633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.771494] 342853 pages reserved
[  336.775461]  ? __lock_acquire+0x62f/0x4c20
[  336.780538] 0 pages cma reserved
[  336.783988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.788263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.791546]  ? __lock_acquire+0x62f/0x4c20
[  336.791563]  ? should_fail+0x22d/0xd01