3207] kmem_cache_alloc_node+0xe3/0x730 [ 235.157707] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.161972] __alloc_skb+0x119/0x770 [ 235.165704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.171002] ? netdev_alloc_frag+0x1f0/0x1f0 [ 235.175437] ? lock_downgrade+0x900/0x900 [ 235.179597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.185138] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.190599] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.196050] ? addrconf_rs_timer+0x690/0x690 [ 235.200499] ndisc_alloc_skb+0x144/0x340 [ 235.204568] ndisc_send_rs+0x331/0x6e0 [ 235.208484] addrconf_rs_timer+0x314/0x690 [ 235.212730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.216982] call_timer_fn+0x272/0x920 [ 235.220887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.225123] ? process_timeout+0x40/0x40 [ 235.229200] ? mark_held_locks+0xc7/0x130 [ 235.233349] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.237851] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.242346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.246588] ? lockdep_hardirqs_on+0x296/0x5b0 [ 235.251174] ? trace_hardirqs_on+0xbd/0x310 [ 235.255499] ? kasan_check_read+0x11/0x20 [ 235.259648] ? __run_timers+0x7da/0xc70 [ 235.263624] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.268758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.273019] __run_timers+0x7e5/0xc70 [ 235.276829] ? timer_fixup_init+0x70/0x70 [ 235.280994] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.286038] ? zap_class+0x640/0x640 [ 235.289758] ? print_usage_bug+0xc0/0xc0 [ 235.293846] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.299068] ? find_held_lock+0x36/0x1c0 [ 235.303133] ? zap_class+0x640/0x640 [ 235.306852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.312394] ? check_preemption_disabled+0x48/0x280 [ 235.317438] ? __lock_is_held+0xb5/0x140 [ 235.321504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.327047] ? check_preemption_disabled+0x48/0x280 [ 235.332073] run_timer_softirq+0x52/0xb0 [ 235.336136] ? rcu_read_lock_sched_held+0x14f/0x180 [ 235.341181] __do_softirq+0x308/0xb7e [ 235.345011] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 235.349503] ? lock_downgrade+0x900/0x900 [ 235.353654] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 235.358769] ? pvclock_read_flags+0x160/0x160 [ 235.363285] ? lapic_next_event+0x5a/0x90 [ 235.367442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.372988] ? kvm_clock_read+0x18/0x30 [ 235.376965] ? kvm_sched_clock_read+0x9/0x20 [ 235.381381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.386936] ? check_preemption_disabled+0x48/0x280 [ 235.391968] irq_exit+0x17f/0x1c0 [ 235.395442] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.400283] ? smp_reschedule_interrupt+0x109/0x650 [ 235.405314] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.411249] ? interrupt_entry+0xb5/0xc0 [ 235.415341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.420388] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.425423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.430269] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.435314] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.440328] ? task_prio+0x50/0x50 [ 235.443873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.449437] ? check_preemption_disabled+0x48/0x280 [ 235.454470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.459321] apic_timer_interrupt+0xf/0x20 [ 235.463555] [ 235.465809] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 235.471004] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 235.489903] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.497627] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 235.504895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 235.512169] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 235.519438] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 235.526706] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 235.534007] retint_kernel+0x1b/0x2d [ 235.537722] RIP: 0010:dump_stack+0x358/0x39d [ 235.542148] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 235.561063] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 235.568863] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 235.576133] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 235.583426] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 235.590751] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 235.598027] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 235.605314] ? dump_stack+0x34f/0x39d [ 235.609155] ? dump_stack_print_info.cold.1+0x20/0x20 [ 235.614360] dump_header+0x27b/0xf72 [ 235.618108] ? mark_held_locks+0x130/0x130 [ 235.622348] ? pagefault_out_of_memory+0x197/0x197 [ 235.627288] ? __lock_acquire+0x62f/0x4c20 [ 235.631534] ? zap_class+0x640/0x640 [ 235.635254] ? percpu_ref_get_many+0x240/0x240 [ 235.639851] ? print_usage_bug+0xc0/0xc0 [ 235.643921] ? print_usage_bug+0xc0/0xc0 [ 235.647995] ? zap_class+0x640/0x640 [ 235.651717] ? print_usage_bug+0xc0/0xc0 [ 235.655780] ? print_usage_bug+0xc0/0xc0 [ 235.659851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.665396] ? find_held_lock+0x36/0x1c0 [ 235.669494] ? mark_held_locks+0xc7/0x130 [ 235.673646] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.678749] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.683856] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 235.688444] ? trace_hardirqs_on+0xbd/0x310 [ 235.692783] ? kasan_check_read+0x11/0x20 [ 235.696952] ? ___ratelimit+0x3b4/0x672 [ 235.700933] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.706039] ? trace_hardirqs_on+0x310/0x310 [ 235.710448] ? lock_downgrade+0x900/0x900 [ 235.714618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.719739] ? ___ratelimit+0x3b9/0x672 [ 235.723718] ? idr_get_free+0xf70/0xf70 [ 235.727695] ? find_held_lock+0x36/0x1c0 [ 235.731768] oom_kill_process.cold.27+0x10/0x903 [ 235.736526] ? zap_class+0x640/0x640 [ 235.740257] ? check_preemption_disabled+0x48/0x280 [ 235.745276] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 235.750203] ? kasan_check_read+0x11/0x20 [ 235.754354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.759638] ? oom_evaluate_task+0x540/0x540 [ 235.764051] ? find_held_lock+0x36/0x1c0 [ 235.768120] ? out_of_memory+0x974/0x1430 [ 235.772270] ? lock_downgrade+0x900/0x900 [ 235.776425] ? check_preemption_disabled+0x48/0x280 [ 235.781450] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 235.786395] ? kasan_check_read+0x11/0x20 [ 235.790560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.795837] ? rcu_softirq_qs+0x20/0x20 [ 235.799831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.805374] ? oom_evaluate_task+0x302/0x540 [ 235.809809] out_of_memory+0xa84/0x1430 [ 235.813794] ? oom_killer_disable+0x3a0/0x3a0 [ 235.818295] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 235.823276] ? __ww_mutex_check_waiters+0x160/0x160 [ 235.828308] __alloc_pages_slowpath+0x2354/0x2e10 [ 235.833197] ? warn_alloc+0x120/0x120 [ 235.837029] ? warn_alloc+0x120/0x120 [ 235.840868] ? warn_alloc+0x120/0x120 [ 235.844717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.849824] ? print_usage_bug+0xc0/0xc0 [ 235.853918] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 235.858523] ? print_usage_bug+0xc0/0xc0 [ 235.862591] ? print_usage_bug+0xc0/0xc0 [ 235.866660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.872199] ? should_fail+0x22d/0xd01 [ 235.876095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.881215] ? zap_class+0x640/0x640 [ 235.884975] ? __lock_is_held+0xb5/0x140 [ 235.889062] ? zap_class+0x640/0x640 [ 235.892782] ? lock_release+0xa00/0xa00 [ 235.896795] ? perf_trace_sched_process_exec+0x860/0x860 [ 235.902265] ? check_preemption_disabled+0x48/0x280 [ 235.907294] ? __might_sleep+0x95/0x190 [ 235.911274] __alloc_pages_nodemask+0xa80/0xde0 [ 235.915947] ? zap_class+0x640/0x640 [ 235.919681] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 235.924711] ? mark_held_locks+0xc7/0x130 [ 235.928865] ? cache_grow_begin+0x65/0x8c0 [ 235.933104] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 235.937691] ? trace_hardirqs_on+0xbd/0x310 [ 235.942015] ? fallback_alloc+0x204/0x2e0 [ 235.946164] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.951283] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.956831] cache_grow_begin+0xa5/0x8c0 [ 235.960892] ? do_raw_spin_unlock+0xa7/0x330 [ 235.965309] fallback_alloc+0x204/0x2e0 [ 235.969289] ____cache_alloc_node+0x1c7/0x1e0 [ 235.973812] kmem_cache_alloc_node+0xe3/0x730 [ 235.978323] __alloc_skb+0x119/0x770 [ 235.982041] ? netdev_alloc_frag+0x1f0/0x1f0 [ 235.986458] ? if_nlmsg_size+0x5d1/0xbb0 [ 235.990527] ? rtnetlink_put_metrics+0x690/0x690 [ 235.995296] ? sk_psock_stop_strp+0x120/0x120 [ 235.999793] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.004829] ? netif_tx_stop_all_queues+0xd9/0x110 [ 236.009767] rtmsg_ifinfo_build_skb+0x74/0x190 [ 236.014372] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 236.019243] rtmsg_ifinfo+0x8c/0xa0 [ 236.022878] dev_close_many+0x3be/0x860 [ 236.026865] ? dev_fill_metadata_dst+0x840/0x840 [ 236.031643] ? find_held_lock+0x36/0x1c0 [ 236.035715] ? __queue_work+0x671/0x1440 [ 236.039783] ? lock_downgrade+0x900/0x900 [ 236.043942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.049485] ? rtnl_is_locked+0xb5/0xf0 [ 236.053482] ? rtnl_trylock+0x20/0x20 [ 236.057285] ? do_raw_spin_unlock+0xa7/0x330 [ 236.061701] ? do_raw_spin_trylock+0x270/0x270 [ 236.066299] rollback_registered_many+0x543/0x1250 [ 236.071236] ? generic_xdp_install+0x5a0/0x5a0 [ 236.075830] ? flush_rcu_work+0x90/0x90 [ 236.079805] ? zap_class+0x640/0x640 [ 236.083543] ? print_usage_bug+0xc0/0xc0 [ 236.087606] ? print_usage_bug+0xc0/0xc0 [ 236.091670] ? zap_class+0x640/0x640 [ 236.095388] ? print_usage_bug+0xc0/0xc0 [ 236.099465] ? find_held_lock+0x36/0x1c0 [ 236.103542] ? mark_held_locks+0xc7/0x130 [ 236.107699] rollback_registered+0x1e9/0x420 [ 236.112108] ? lockdep_hardirqs_on+0x321/0x5b0 [ 236.116694] ? rollback_registered_many+0x1250/0x1250 [ 236.121882] ? trace_hardirqs_on+0xbd/0x310 [ 236.126205] ? linkwatch_schedule_work+0x150/0x170 [ 236.131139] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.136264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.141798] ? rtnl_is_locked+0xb5/0xf0 [ 236.145773] ? rtnl_trylock+0x20/0x20 [ 236.149593] ? queue_delayed_work_on+0x130/0x1f0 [ 236.154356] unregister_netdevice_queue+0x321/0x5e0 [ 236.159502] ? rollback_registered+0x420/0x420 [ 236.164090] ? linkwatch_schedule_work+0x170/0x170 [ 236.169026] ? tun_setup+0x2d0/0x2d0 [ 236.172757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.178298] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 236.183661] ? __tun_detach+0x6ba/0x15c0 [ 236.187733] __tun_detach+0x11b8/0x15c0 [ 236.191710] ? __call_rcu.constprop.55+0x3ea/0x950 [ 236.196639] ? __call_rcu.constprop.55+0x3ea/0x950 [ 236.201578] ? tun_attach+0x1900/0x1900 [ 236.205555] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.210665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.216205] ? check_preemption_disabled+0x48/0x280 [ 236.221240] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 236.225874] ? zap_class+0x640/0x640 [ 236.229599] ? fsnotify+0x4e5/0xf20 [ 236.233231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.238784] ? locks_remove_file+0x3c6/0x5c0 [ 236.243194] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 236.248735] ? ima_file_free+0x132/0x650 [ 236.252820] ? __lock_is_held+0xb5/0x140 [ 236.256912] ? __tun_detach+0x15c0/0x15c0 [ 236.261104] ? __tun_detach+0x15c0/0x15c0 [ 236.265259] tun_chr_close+0xe3/0x180 [ 236.269062] __fput+0x385/0xa30 [ 236.272348] ? get_max_files+0x20/0x20 [ 236.276247] ? perf_trace_sched_process_exec+0x860/0x860 [ 236.281709] ____fput+0x15/0x20 [ 236.284990] task_work_run+0x1e8/0x2a0 [ 236.288913] ? task_work_cancel+0x240/0x240 [ 236.293281] ? switch_task_namespaces+0xb8/0xd0 [ 236.297960] do_exit+0x1ad6/0x26d0 [ 236.301510] ? mm_update_next_owner+0x990/0x990 [ 236.306178] ? print_usage_bug+0xc0/0xc0 [ 236.310240] ? find_held_lock+0x36/0x1c0 [ 236.314319] ? mark_held_locks+0x130/0x130 [ 236.318565] ? __lock_acquire+0x62f/0x4c20 [ 236.322817] ? pipe_wait+0x266/0x2c0 [ 236.326553] ? lock_release+0xa00/0xa00 [ 236.330575] ? mark_held_locks+0x130/0x130 [ 236.334834] ? __mutex_lock+0x85e/0x16f0 [ 236.338921] ? __switch_to_asm+0x40/0x70 [ 236.342993] ? pipe_wait+0x266/0x2c0 [ 236.346722] ? __switch_to_asm+0x34/0x70 [ 236.350794] ? __switch_to_asm+0x40/0x70 [ 236.354861] ? mutex_trylock+0x2b0/0x2b0 [ 236.358928] ? zap_class+0x640/0x640 [ 236.362663] ? zap_class+0x640/0x640 [ 236.366390] ? find_held_lock+0x36/0x1c0 [ 236.370469] ? memset+0x31/0x40 [ 236.373768] ? find_held_lock+0x36/0x1c0 [ 236.377853] ? get_signal+0x95b/0x1980 [ 236.381743] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.386256] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.390760] do_group_exit+0x177/0x440 [ 236.394657] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.399789] ? __ia32_sys_exit+0x50/0x50 [ 236.403893] get_signal+0x8b0/0x1980 [ 236.407625] ? ptrace_notify+0x130/0x130 [ 236.411696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.417234] ? pipe_read+0x702/0x940 [ 236.420953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.426507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.432044] ? __vfs_read+0x11f/0x9b0 [ 236.435852] do_signal+0x9c/0x21c0 [ 236.439398] ? fsnotify+0xf20/0xf20 [ 236.443046] ? setup_sigcontext+0x7d0/0x7d0 [ 236.447374] ? exit_to_usermode_loop+0x8c/0x380 [ 236.452052] ? exit_to_usermode_loop+0x8c/0x380 [ 236.456724] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 236.461324] ? trace_hardirqs_on+0xbd/0x310 [ 236.465646] ? do_syscall_64+0x6be/0x820 [ 236.469722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.475278] exit_to_usermode_loop+0x2e5/0x380 [ 236.479868] ? __bpf_trace_sys_exit+0x30/0x30 [ 236.484375] do_syscall_64+0x6be/0x820 [ 236.488270] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.493639] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.498569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.503426] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.508481] ? prepare_exit_to_usermode+0x291/0x3b0 [ 236.513508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.518359] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.523545] RIP: 0033:0x410fa0 [ 236.526750] Code: Bad RIP value. [ 236.530112] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 236.537830] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 236.545141] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 236.552427] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 236.559730] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 236.567000] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 236.574295] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 236.574384] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.581700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.581712] Call Trace: [ 236.588476] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.597744] [ 236.600325] syz-executor5 cpuset=syz5 mems_allowed=0 [ 236.610820] dump_stack+0x244/0x39d [ 236.621663] ? dump_stack_print_info.cold.1+0x20/0x20 [ 236.626867] warn_alloc.cold.116+0xb7/0x1bd [ 236.631207] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.636055] ? lock_downgrade+0x900/0x900 [ 236.640211] ? trace_hardirqs_off+0xb8/0x310 [ 236.644635] ? trace_hardirqs_off+0xb8/0x310 [ 236.649069] __alloc_pages_slowpath+0x26e8/0x2e10 [ 236.653983] ? warn_alloc+0x120/0x120 [ 236.657803] ? print_usage_bug+0xc0/0xc0 [ 236.661866] ? warn_alloc+0x120/0x120 [ 236.665688] ? warn_alloc+0x120/0x120 [ 236.669493] ? print_usage_bug+0xc0/0xc0 [ 236.673579] ? print_usage_bug+0xc0/0xc0 [ 236.677661] ? __lock_acquire+0x62f/0x4c20 [ 236.681905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.687462] ? should_fail+0x22d/0xd01 [ 236.691355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.696462] ? __lock_acquire+0x62f/0x4c20 [ 236.700706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.705812] ? __lock_acquire+0x62f/0x4c20 [ 236.710041] ? should_fail+0x22d/0xd01 [ 236.714112] ? find_held_lock+0x36/0x1c0 [ 236.718197] ? mark_held_locks+0x130/0x130 [ 236.722454] ? mark_held_locks+0x130/0x130 [ 236.726692] ? zap_class+0x640/0x640 [ 236.730415] ? zap_class+0x640/0x640 [ 236.734167] ? print_usage_bug+0xc0/0xc0 [ 236.738232] ? do_raw_spin_unlock+0xa7/0x330 [ 236.742644] ? zap_class+0x640/0x640 [ 236.746359] ? print_usage_bug+0xc0/0xc0 [ 236.750430] ? wq_watchdog_touch+0x9c/0xfe [ 236.754702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.760263] ? check_preemption_disabled+0x48/0x280 [ 236.765305] ? __lock_is_held+0xb5/0x140 [ 236.769380] __alloc_pages_nodemask+0xa80/0xde0 [ 236.774056] ? zap_class+0x640/0x640 [ 236.777808] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 236.782855] ? find_held_lock+0x36/0x1c0 [ 236.786930] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.791615] ? lock_downgrade+0x900/0x900 [ 236.795772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.801336] cache_grow_begin+0xa5/0x8c0 [ 236.805395] ? do_raw_spin_unlock+0xa7/0x330 [ 236.809840] fallback_alloc+0x204/0x2e0 [ 236.813834] ____cache_alloc_node+0x1c7/0x1e0 [ 236.818336] kmem_cache_alloc_node+0xe3/0x730 [ 236.822839] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.827088] __alloc_skb+0x119/0x770 [ 236.830803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.836082] ? netdev_alloc_frag+0x1f0/0x1f0 [ 236.840497] ? lock_downgrade+0x900/0x900 [ 236.844667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.850233] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.855691] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.861146] ? addrconf_rs_timer+0x690/0x690 [ 236.865600] ndisc_alloc_skb+0x144/0x340 [ 236.869671] ndisc_send_rs+0x331/0x6e0 [ 236.873568] addrconf_rs_timer+0x314/0x690 [ 236.877830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.882100] call_timer_fn+0x272/0x920 [ 236.886002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.890237] ? process_timeout+0x40/0x40 [ 236.894311] ? __run_timers+0x7da/0xc70 [ 236.898291] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.902788] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.907281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.911518] ? lockdep_hardirqs_on+0x296/0x5b0 [ 236.916105] ? trace_hardirqs_on+0xbd/0x310 [ 236.920452] ? kasan_check_read+0x11/0x20 [ 236.924600] ? __run_timers+0x7da/0xc70 [ 236.928580] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.933692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.937950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.942185] __run_timers+0x7e5/0xc70 [ 236.945999] ? timer_fixup_init+0x70/0x70 [ 236.950155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.955176] ? zap_class+0x640/0x640 [ 236.958894] ? enqueue_hrtimer+0x1a5/0x560 [ 236.963134] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.968329] ? find_held_lock+0x36/0x1c0 [ 236.972395] ? zap_class+0x640/0x640 [ 236.976128] ? pvclock_read_flags+0x160/0x160 [ 236.980625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.986167] ? check_preemption_disabled+0x48/0x280 [ 236.991226] ? __lock_is_held+0xb5/0x140 [ 236.995383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.000935] ? check_preemption_disabled+0x48/0x280 [ 237.005961] run_timer_softirq+0x52/0xb0 [ 237.010025] ? rcu_read_lock_sched_held+0x14f/0x180 [ 237.015076] __do_softirq+0x308/0xb7e [ 237.018886] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 237.023380] ? lock_downgrade+0x900/0x900 [ 237.027544] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 237.032671] ? pvclock_read_flags+0x160/0x160 [ 237.037185] ? lapic_next_event+0x5a/0x90 [ 237.041339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.046899] ? kvm_clock_read+0x18/0x30 [ 237.050890] ? kvm_sched_clock_read+0x9/0x20 [ 237.055307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.060866] ? check_preemption_disabled+0x48/0x280 [ 237.065902] irq_exit+0x17f/0x1c0 [ 237.069361] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.074205] ? smp_reschedule_interrupt+0x109/0x650 [ 237.079226] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.085108] ? interrupt_entry+0xb5/0xc0 [ 237.089203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.094218] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.099238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.104082] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.109095] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.114127] ? task_prio+0x50/0x50 [ 237.117669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.123210] ? check_preemption_disabled+0x48/0x280 [ 237.128252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.133116] apic_timer_interrupt+0xf/0x20 [ 237.137347] [ 237.139593] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 237.145502] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 237.164532] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.172243] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 237.179529] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 237.186796] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 237.194061] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 237.201328] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 237.208644] ? save_stack+0xa9/0xd0 [ 237.212287] __kmalloc_node_track_caller+0x3c/0x70 [ 237.217222] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 237.221982] pskb_expand_head+0x230/0x10f0 [ 237.226227] ? memcpy+0x45/0x50 [ 237.229526] ? __copy_skb_header+0x350/0x6b0 [ 237.233949] ? skb_release_data+0x880/0x880 [ 237.238287] ? __alloc_skb+0x770/0x770 [ 237.242186] ? __lock_is_held+0xb5/0x140 [ 237.246261] ? kasan_check_write+0x14/0x20 [ 237.250498] ? __skb_clone+0x6c7/0xa00 [ 237.254388] ? __copy_skb_header+0x6b0/0x6b0 [ 237.258834] ? kmem_cache_alloc+0x33a/0x730 [ 237.263178] skb_ensure_writable+0x3dd/0x640 [ 237.267605] ? skb_checksum_setup+0xaa0/0xaa0 [ 237.272134] ? check_preemption_disabled+0x48/0x280 [ 237.277158] ? __this_cpu_preempt_check+0x1c/0x20 [ 237.281998] ? __bpf_redirect+0x54b/0xb20 [ 237.286166] bpf_clone_redirect+0x14a/0x490 [ 237.290519] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 237.295541] ? __sched_text_start+0x8/0x8 [ 237.299692] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 237.304286] ? retint_kernel+0x2d/0x2d [ 237.308173] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.313119] ? find_held_lock+0x36/0x1c0 [ 237.317214] ? lock_acquire+0x1ed/0x520 [ 237.321203] ? bpf_test_run+0x3cb/0x780 [ 237.325184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.330742] ? check_preemption_disabled+0x48/0x280 [ 237.335767] ? kasan_check_read+0x11/0x20 [ 237.339915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.345210] ? rcu_softirq_qs+0x20/0x20 [ 237.349187] ? preempt_schedule+0x4d/0x60 [ 237.353336] ? ___preempt_schedule+0x16/0x18 [ 237.357772] ? bpf_test_run+0x25d/0x780 [ 237.361774] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.366207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.371746] ? bpf_test_init.isra.10+0x70/0x100 [ 237.376438] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 237.381225] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 237.386069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.391621] ? fput+0x130/0x1a0 [ 237.394919] ? __bpf_prog_get+0x9b/0x290 [ 237.398988] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 237.403830] ? bpf_prog_test_run+0x130/0x1a0 [ 237.408245] ? __x64_sys_bpf+0x3d8/0x520 [ 237.412307] ? bpf_prog_get+0x20/0x20 [ 237.416157] ? do_syscall_64+0x1b9/0x820 [ 237.420220] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.425588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.430518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.435368] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.440390] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.445435] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.450463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.455312] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.460693] warn_alloc_show_mem: 1 callbacks suppressed [ 237.460705] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 237.460707] Mem-Info: [ 237.460737] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 237.460737] active_file:12 inactive_file:13 isolated_file:0 [ 237.460737] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.460737] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 237.460737] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 237.460737] free:13733 free_pcp:586 free_cma:0 [ 237.466081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.473358] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.475787] Call Trace: [ 237.508655] 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 [ 237.518021] [ 237.545449] lowmem_reserve[]: 0 2818 6321 6321 [ 237.548035] dump_stack+0x244/0x39d [ 237.574118] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 237.576284] ? dump_stack_print_info.cold.1+0x20/0x20 [ 237.580830] lowmem_reserve[]: 0 0 3503 3503 [ 237.584476] warn_alloc.cold.116+0xb7/0x1bd [ 237.612063] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 237.617265] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.621573] lowmem_reserve[]: 0 0 0 0 [ 237.625916] ? lock_downgrade+0x900/0x900 [ 237.654878] 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 [ 237.659752] ? trace_hardirqs_off+0xb8/0x310 [ 237.663522] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 237.667671] ? trace_hardirqs_off+0xb8/0x310 [ 237.681169] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 237.685575] __alloc_pages_slowpath+0x26e8/0x2e10 [ 237.700913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.705334] ? warn_alloc+0x120/0x120 [ 237.719182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.724031] ? print_usage_bug+0xc0/0xc0 [ 237.732871] 269 total pagecache pages [ 237.736690] ? warn_alloc+0x120/0x120 [ 237.745255] 0 pages in swap cache [ 237.749314] ? warn_alloc+0x120/0x120 [ 237.753093] Swap cache stats: add 0, delete 0, find 0/0 [ 237.756886] ? print_usage_bug+0xc0/0xc0 [ 237.760313] Free swap = 0kB [ 237.764104] ? kvm_clock_read+0x18/0x30 [ 237.769445] Total swap = 0kB [ 237.773499] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.776494] 1965979 pages RAM [ 237.780478] ? print_usage_bug+0xc0/0xc0 [ 237.783466] 0 pages HighMem/MovableOnly [ 237.783475] 342853 pages reserved [ 237.788519] ? __lock_acquire+0x62f/0x4c20 [ 237.791597] 0 pages cma reserved [ 237.791670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.795659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.795674] ? should_fail+0x22d/0xd01 [ 237.795690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.799930] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.803106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.807337] syz-executor0 cpuset=syz0 mems_allowed=0 [ 237.810709] ? __lock_acquire+0x62f/0x4c20 [ 237.856769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.861869] ? __lock_acquire+0x62f/0x4c20 [ 237.866103] ? should_fail+0x22d/0xd01 [ 237.870002] ? rcu_irq_exit+0x1a2/0x390 [ 237.873989] ? mark_held_locks+0x130/0x130 [ 237.878233] ? mark_held_locks+0x130/0x130 [ 237.882477] ? mark_held_locks+0xc7/0x130 [ 237.886638] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 237.891656] ? zap_class+0x640/0x640 [ 237.895369] ? print_usage_bug+0xc0/0xc0 [ 237.899471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.905014] ? check_preemption_disabled+0x48/0x280 [ 237.910042] ? __lock_is_held+0xb5/0x140 [ 237.914133] __alloc_pages_nodemask+0xa80/0xde0 [ 237.918818] ? zap_class+0x640/0x640 [ 237.922541] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 237.927571] ? find_held_lock+0x36/0x1c0 [ 237.931664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.936353] ? lock_downgrade+0x900/0x900 [ 237.940512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.946056] cache_grow_begin+0xa5/0x8c0 [ 237.950119] ? do_raw_spin_unlock+0xa7/0x330 [ 237.954541] fallback_alloc+0x204/0x2e0 [ 237.958527] ____cache_alloc_node+0x1c7/0x1e0 [ 237.963043] kmem_cache_alloc_node+0xe3/0x730 [ 237.967542] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.971789] __alloc_skb+0x119/0x770 [ 237.975502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.980786] ? netdev_alloc_frag+0x1f0/0x1f0 [ 237.985196] ? lock_downgrade+0x900/0x900 [ 237.989379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.994933] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.000425] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.005882] ? addrconf_rs_timer+0x690/0x690 [ 238.010302] ndisc_alloc_skb+0x144/0x340 [ 238.014386] ndisc_send_rs+0x331/0x6e0 [ 238.018306] addrconf_rs_timer+0x314/0x690 [ 238.022550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.026797] call_timer_fn+0x272/0x920 [ 238.030685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.034930] ? process_timeout+0x40/0x40 [ 238.039004] ? mark_held_locks+0xc7/0x130 [ 238.043158] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.047655] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.052154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.056392] ? lockdep_hardirqs_on+0x296/0x5b0 [ 238.060989] ? trace_hardirqs_on+0xbd/0x310 [ 238.065314] ? kasan_check_read+0x11/0x20 [ 238.069478] ? __run_timers+0x7da/0xc70 [ 238.073474] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.078584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.082827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.087073] __run_timers+0x7e5/0xc70 [ 238.090900] ? timer_fixup_init+0x70/0x70 [ 238.095067] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.100086] ? zap_class+0x640/0x640 [ 238.103808] ? print_usage_bug+0xc0/0xc0 [ 238.107889] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.113122] ? find_held_lock+0x36/0x1c0 [ 238.117191] ? zap_class+0x640/0x640 [ 238.120912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.126475] ? check_preemption_disabled+0x48/0x280 [ 238.131509] ? __lock_is_held+0xb5/0x140 [ 238.135577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.141120] ? check_preemption_disabled+0x48/0x280 [ 238.146175] run_timer_softirq+0x52/0xb0 [ 238.150241] ? rcu_read_lock_sched_held+0x14f/0x180 [ 238.155270] __do_softirq+0x308/0xb7e [ 238.159087] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 238.163591] ? lock_downgrade+0x900/0x900 [ 238.167749] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 238.172859] ? pvclock_read_flags+0x160/0x160 [ 238.177360] ? lapic_next_event+0x5a/0x90 [ 238.181518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.187067] ? kvm_clock_read+0x18/0x30 [ 238.191042] ? kvm_sched_clock_read+0x9/0x20 [ 238.195457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.201001] ? check_preemption_disabled+0x48/0x280 [ 238.206031] irq_exit+0x17f/0x1c0 [ 238.209488] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.214332] ? smp_reschedule_interrupt+0x109/0x650 [ 238.219366] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.225290] ? interrupt_entry+0xb5/0xc0 [ 238.229353] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.234382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.239429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.244280] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.249314] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.254334] ? task_prio+0x50/0x50 [ 238.257893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.263439] ? check_preemption_disabled+0x48/0x280 [ 238.268463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.273321] apic_timer_interrupt+0xf/0x20 [ 238.277553] [ 238.279805] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 238.285010] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 238.303928] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 238.311646] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 238.318914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 238.326191] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 238.333473] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 238.340755] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 238.348065] retint_kernel+0x1b/0x2d [ 238.351805] RIP: 0010:dump_stack+0x358/0x39d [ 238.356213] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 238.375111] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 238.382820] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 238.390091] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 238.397372] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 238.404660] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 238.411948] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 238.419238] ? dump_stack+0x34f/0x39d [ 238.423056] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.428265] dump_header+0x27b/0xf72 [ 238.431995] ? mark_held_locks+0x130/0x130 [ 238.436262] ? pagefault_out_of_memory+0x197/0x197 [ 238.441227] ? __lock_acquire+0x62f/0x4c20 [ 238.445479] ? zap_class+0x640/0x640 [ 238.449224] ? percpu_ref_get_many+0x240/0x240 [ 238.453841] ? print_usage_bug+0xc0/0xc0 [ 238.457909] ? print_usage_bug+0xc0/0xc0 [ 238.462000] ? zap_class+0x640/0x640 [ 238.465716] ? print_usage_bug+0xc0/0xc0 [ 238.469780] ? print_usage_bug+0xc0/0xc0 [ 238.473859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.479414] ? find_held_lock+0x36/0x1c0 [ 238.483492] ? mark_held_locks+0xc7/0x130 [ 238.487645] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.492750] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.497857] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 238.502456] ? trace_hardirqs_on+0xbd/0x310 [ 238.506793] ? kasan_check_read+0x11/0x20 [ 238.510992] ? ___ratelimit+0x3b4/0x672 [ 238.514982] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.520087] ? trace_hardirqs_on+0x310/0x310 [ 238.524514] ? lock_downgrade+0x900/0x900 [ 238.528670] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.533778] ? ___ratelimit+0x3b9/0x672 [ 238.537756] ? idr_get_free+0xf70/0xf70 [ 238.541743] ? find_held_lock+0x36/0x1c0 [ 238.545814] oom_kill_process.cold.27+0x10/0x903 [ 238.550587] ? zap_class+0x640/0x640 [ 238.554303] ? check_preemption_disabled+0x48/0x280 [ 238.559327] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 238.564258] ? kasan_check_read+0x11/0x20 [ 238.568417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.573699] ? oom_evaluate_task+0x540/0x540 [ 238.578114] ? find_held_lock+0x36/0x1c0 [ 238.582285] ? out_of_memory+0x974/0x1430 [ 238.586481] ? lock_downgrade+0x900/0x900 [ 238.590631] ? check_preemption_disabled+0x48/0x280 [ 238.595651] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 238.600586] ? kasan_check_read+0x11/0x20 [ 238.604735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.610024] ? rcu_softirq_qs+0x20/0x20 [ 238.614007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.619543] ? oom_evaluate_task+0x302/0x540 [ 238.623963] out_of_memory+0xa84/0x1430 [ 238.627953] ? oom_killer_disable+0x3a0/0x3a0 [ 238.632492] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 238.637428] ? __ww_mutex_check_waiters+0x160/0x160 [ 238.642477] __alloc_pages_slowpath+0x2354/0x2e10 [ 238.647365] ? warn_alloc+0x120/0x120 [ 238.651171] ? warn_alloc+0x120/0x120 [ 238.654988] ? warn_alloc+0x120/0x120 [ 238.658789] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.663895] ? print_usage_bug+0xc0/0xc0 [ 238.667962] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 238.672548] ? print_usage_bug+0xc0/0xc0 [ 238.676620] ? print_usage_bug+0xc0/0xc0 [ 238.680756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.686310] ? should_fail+0x22d/0xd01 [ 238.690202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.695324] ? zap_class+0x640/0x640 [ 238.699065] ? __lock_is_held+0xb5/0x140 [ 238.703134] ? zap_class+0x640/0x640 [ 238.706882] ? lock_release+0xa00/0xa00 [ 238.710859] ? perf_trace_sched_process_exec+0x860/0x860 [ 238.716782] ? check_preemption_disabled+0x48/0x280 [ 238.721809] ? __might_sleep+0x95/0x190 [ 238.725807] __alloc_pages_nodemask+0xa80/0xde0 [ 238.730479] ? zap_class+0x640/0x640 [ 238.734214] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 238.739243] ? mark_held_locks+0xc7/0x130 [ 238.743395] ? cache_grow_begin+0x65/0x8c0 [ 238.747644] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 238.752233] ? trace_hardirqs_on+0xbd/0x310 [ 238.756556] ? fallback_alloc+0x204/0x2e0 [ 238.760733] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.765858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.771417] cache_grow_begin+0xa5/0x8c0 [ 238.775482] ? do_raw_spin_unlock+0xa7/0x330 [ 238.779918] fallback_alloc+0x204/0x2e0 [ 238.783908] ____cache_alloc_node+0x1c7/0x1e0 [ 238.788435] kmem_cache_alloc_node+0xe3/0x730 [ 238.792950] __alloc_skb+0x119/0x770 [ 238.796673] ? netdev_alloc_frag+0x1f0/0x1f0 [ 238.801084] ? if_nlmsg_size+0x5d1/0xbb0 [ 238.805153] ? rtnetlink_put_metrics+0x690/0x690 [ 238.809920] ? sk_psock_stop_strp+0x120/0x120 [ 238.814429] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 238.819487] ? netif_tx_stop_all_queues+0xd9/0x110 [ 238.824442] rtmsg_ifinfo_build_skb+0x74/0x190 [ 238.829046] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 238.833896] rtmsg_ifinfo+0x8c/0xa0 [ 238.837554] dev_close_many+0x3be/0x860 [ 238.841562] ? dev_fill_metadata_dst+0x840/0x840 [ 238.846335] ? find_held_lock+0x36/0x1c0 [ 238.850430] ? __queue_work+0x671/0x1440 [ 238.854511] ? lock_downgrade+0x900/0x900 [ 238.858669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.864238] ? rtnl_is_locked+0xb5/0xf0 [ 238.868225] ? rtnl_trylock+0x20/0x20 [ 238.872022] ? do_raw_spin_unlock+0xa7/0x330 [ 238.876435] ? do_raw_spin_trylock+0x270/0x270 [ 238.881033] rollback_registered_many+0x543/0x1250 [ 238.885969] ? generic_xdp_install+0x5a0/0x5a0 [ 238.890572] ? flush_rcu_work+0x90/0x90 [ 238.894546] ? zap_class+0x640/0x640 [ 238.898259] ? print_usage_bug+0xc0/0xc0 [ 238.902351] ? print_usage_bug+0xc0/0xc0 [ 238.906434] ? zap_class+0x640/0x640 [ 238.910150] ? print_usage_bug+0xc0/0xc0 [ 238.914212] ? find_held_lock+0x36/0x1c0 [ 238.918286] ? mark_held_locks+0xc7/0x130 [ 238.922460] rollback_registered+0x1e9/0x420 [ 238.926875] ? lockdep_hardirqs_on+0x321/0x5b0 [ 238.931461] ? rollback_registered_many+0x1250/0x1250 [ 238.936673] ? trace_hardirqs_on+0xbd/0x310 [ 238.941009] ? linkwatch_schedule_work+0x150/0x170 [ 238.945946] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.951069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.956604] ? rtnl_is_locked+0xb5/0xf0 [ 238.960579] ? rtnl_trylock+0x20/0x20 [ 238.964385] ? queue_delayed_work_on+0x130/0x1f0 [ 238.969158] unregister_netdevice_queue+0x321/0x5e0 [ 238.974178] ? rollback_registered+0x420/0x420 [ 238.978778] ? linkwatch_schedule_work+0x170/0x170 [ 238.983710] ? tun_setup+0x2d0/0x2d0 [ 238.987434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.993017] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 238.998471] ? __tun_detach+0x6ba/0x15c0 [ 239.002546] __tun_detach+0x11b8/0x15c0 [ 239.006521] ? __call_rcu.constprop.55+0x3ea/0x950 [ 239.011453] ? __call_rcu.constprop.55+0x3ea/0x950 [ 239.016394] ? tun_attach+0x1900/0x1900 [ 239.020399] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.025545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.031099] ? check_preemption_disabled+0x48/0x280 [ 239.036131] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 239.040721] ? zap_class+0x640/0x640 [ 239.044453] ? fsnotify+0x4e5/0xf20 [ 239.048083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.053640] ? locks_remove_file+0x3c6/0x5c0 [ 239.058056] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 239.063597] ? ima_file_free+0x132/0x650 [ 239.067670] ? __lock_is_held+0xb5/0x140 [ 239.071750] ? __tun_detach+0x15c0/0x15c0 [ 239.075918] ? __tun_detach+0x15c0/0x15c0 [ 239.080072] tun_chr_close+0xe3/0x180 [ 239.083875] __fput+0x385/0xa30 [ 239.087200] ? get_max_files+0x20/0x20 [ 239.091098] ? perf_trace_sched_process_exec+0x860/0x860 [ 239.096558] ____fput+0x15/0x20 [ 239.099839] task_work_run+0x1e8/0x2a0 [ 239.103746] ? task_work_cancel+0x240/0x240 [ 239.108075] ? switch_task_namespaces+0xb8/0xd0 [ 239.112768] do_exit+0x1ad6/0x26d0 [ 239.116333] ? mm_update_next_owner+0x990/0x990 [ 239.121001] ? print_usage_bug+0xc0/0xc0 [ 239.125064] ? find_held_lock+0x36/0x1c0 [ 239.129144] ? mark_held_locks+0x130/0x130 [ 239.133400] ? __lock_acquire+0x62f/0x4c20 [ 239.137646] ? pipe_wait+0x266/0x2c0 [ 239.141368] ? lock_release+0xa00/0xa00 [ 239.145368] ? mark_held_locks+0x130/0x130 [ 239.149622] ? __mutex_lock+0x85e/0x16f0 [ 239.153689] ? __switch_to_asm+0x40/0x70 [ 239.157751] ? pipe_wait+0x266/0x2c0 [ 239.161484] ? __switch_to_asm+0x34/0x70 [ 239.165557] ? __switch_to_asm+0x40/0x70 [ 239.169624] ? mutex_trylock+0x2b0/0x2b0 [ 239.173687] ? zap_class+0x640/0x640 [ 239.177437] ? zap_class+0x640/0x640 [ 239.181157] ? find_held_lock+0x36/0x1c0 [ 239.185228] ? memset+0x31/0x40 [ 239.188513] ? find_held_lock+0x36/0x1c0 [ 239.192584] ? get_signal+0x95b/0x1980 [ 239.196501] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.200998] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.205500] do_group_exit+0x177/0x440 [ 239.209415] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.214549] ? __ia32_sys_exit+0x50/0x50 [ 239.218625] get_signal+0x8b0/0x1980 [ 239.222351] ? ptrace_notify+0x130/0x130 [ 239.226426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.231967] ? pipe_read+0x702/0x940 [ 239.235685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.241256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.246794] ? __vfs_read+0x11f/0x9b0 [ 239.250629] do_signal+0x9c/0x21c0 [ 239.254181] ? fsnotify+0xf20/0xf20 [ 239.257821] ? setup_sigcontext+0x7d0/0x7d0 [ 239.262151] ? exit_to_usermode_loop+0x8c/0x380 [ 239.266823] ? exit_to_usermode_loop+0x8c/0x380 [ 239.271499] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 239.276084] ? trace_hardirqs_on+0xbd/0x310 [ 239.280416] ? do_syscall_64+0x6be/0x820 [ 239.284492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.290038] exit_to_usermode_loop+0x2e5/0x380 [ 239.294621] ? __bpf_trace_sys_exit+0x30/0x30 [ 239.299127] do_syscall_64+0x6be/0x820 [ 239.303026] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.308394] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.313330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.318189] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.323209] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.328270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.333119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.338303] RIP: 0033:0x410fa0 [ 239.341505] Code: Bad RIP value. [ 239.344863] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 239.352565] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 239.359835] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 239.367121] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 239.374385] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 239.381659] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 239.388967] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 239.389035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.396334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.396338] Call Trace: [ 239.396344] [ 239.396363] dump_stack+0x244/0x39d [ 239.396381] ? dump_stack_print_info.cold.1+0x20/0x20 [ 239.403019] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.412278] warn_alloc.cold.116+0xb7/0x1bd [ 239.414831] syz-executor5 cpuset=syz5 mems_allowed=0 [ 239.416976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.450499] ? lock_downgrade+0x900/0x900 [ 239.454670] ? trace_hardirqs_off+0xb8/0x310 [ 239.459089] ? trace_hardirqs_off+0xb8/0x310 [ 239.463506] __alloc_pages_slowpath+0x26e8/0x2e10 [ 239.468379] ? warn_alloc+0x120/0x120 [ 239.472192] ? print_usage_bug+0xc0/0xc0 [ 239.476253] ? warn_alloc+0x120/0x120 [ 239.480076] ? warn_alloc+0x120/0x120 [ 239.483882] ? print_usage_bug+0xc0/0xc0 [ 239.487946] ? print_usage_bug+0xc0/0xc0 [ 239.492008] ? __lock_acquire+0x62f/0x4c20 [ 239.496250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.501799] ? should_fail+0x22d/0xd01 [ 239.505698] ? __lock_acquire+0x62f/0x4c20 [ 239.509935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.515054] ? __lock_acquire+0x62f/0x4c20 [ 239.519306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.524431] ? __lock_acquire+0x62f/0x4c20 [ 239.528695] ? should_fail+0x22d/0xd01 [ 239.532606] ? mark_held_locks+0x130/0x130 [ 239.536842] ? mark_held_locks+0x130/0x130 [ 239.541081] ? try_to_wake_up+0x11c/0x1490 [ 239.545420] ? zap_class+0x640/0x640 [ 239.549139] ? print_usage_bug+0xc0/0xc0 [ 239.553207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.558746] ? check_preemption_disabled+0x48/0x280 [ 239.563800] ? __lock_is_held+0xb5/0x140 [ 239.567865] __alloc_pages_nodemask+0xa80/0xde0 [ 239.572536] ? zap_class+0x640/0x640 [ 239.576253] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 239.581279] ? find_held_lock+0x36/0x1c0 [ 239.585352] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.590022] ? lock_downgrade+0x900/0x900 [ 239.594195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.599774] cache_grow_begin+0xa5/0x8c0 [ 239.603846] ? do_raw_spin_unlock+0xa7/0x330 [ 239.608262] fallback_alloc+0x204/0x2e0 [ 239.612246] ____cache_alloc_node+0x1c7/0x1e0 [ 239.616750] kmem_cache_alloc_node+0xe3/0x730 [ 239.621249] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.625494] __alloc_skb+0x119/0x770 [ 239.629234] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.634549] ? netdev_alloc_frag+0x1f0/0x1f0 [ 239.638965] ? lock_downgrade+0x900/0x900 [ 239.643137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.648690] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.654158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.659626] ? addrconf_rs_timer+0x690/0x690 [ 239.664047] ndisc_alloc_skb+0x144/0x340 [ 239.668114] ndisc_send_rs+0x331/0x6e0 [ 239.672007] addrconf_rs_timer+0x314/0x690 [ 239.676249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.680516] call_timer_fn+0x272/0x920 [ 239.684412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.688653] ? process_timeout+0x40/0x40 [ 239.692735] ? __run_timers+0x7da/0xc70 [ 239.696742] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.701234] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.705732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.709989] ? lockdep_hardirqs_on+0x296/0x5b0 [ 239.714576] ? trace_hardirqs_on+0xbd/0x310 [ 239.718897] ? kasan_check_read+0x11/0x20 [ 239.723041] ? __run_timers+0x7da/0xc70 [ 239.727034] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.732150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.736381] __run_timers+0x7e5/0xc70 [ 239.740211] ? timer_fixup_init+0x70/0x70 [ 239.744361] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.749379] ? zap_class+0x640/0x640 [ 239.753104] ? enqueue_hrtimer+0x1a5/0x560 [ 239.757342] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.762564] ? find_held_lock+0x36/0x1c0 [ 239.766633] ? zap_class+0x640/0x640 [ 239.770365] ? pvclock_read_flags+0x160/0x160 [ 239.774860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.780396] ? check_preemption_disabled+0x48/0x280 [ 239.785465] ? __lock_is_held+0xb5/0x140 [ 239.789530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.795084] ? check_preemption_disabled+0x48/0x280 [ 239.800105] run_timer_softirq+0x52/0xb0 [ 239.804184] ? rcu_read_lock_sched_held+0x14f/0x180 [ 239.809205] __do_softirq+0x308/0xb7e [ 239.813012] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 239.817506] ? lock_downgrade+0x900/0x900 [ 239.821656] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 239.826770] ? pvclock_read_flags+0x160/0x160 [ 239.831268] ? lapic_next_event+0x5a/0x90 [ 239.835434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.840994] ? kvm_clock_read+0x18/0x30 [ 239.844972] ? kvm_sched_clock_read+0x9/0x20 [ 239.849378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.854941] ? check_preemption_disabled+0x48/0x280 [ 239.859964] irq_exit+0x17f/0x1c0 [ 239.863435] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.868287] ? smp_reschedule_interrupt+0x109/0x650 [ 239.873305] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.879191] ? interrupt_entry+0xb5/0xc0 [ 239.883291] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.888302] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.893315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.898154] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.903167] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.908189] ? task_prio+0x50/0x50 [ 239.911729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.917263] ? check_preemption_disabled+0x48/0x280 [ 239.922282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.927131] apic_timer_interrupt+0xf/0x20 [ 239.931361] [ 239.933601] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 239.939513] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 239.958434] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.966140] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.973412] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 239.980691] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 239.988148] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 239.995444] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 240.002809] ? save_stack+0xa9/0xd0 [ 240.006459] __kmalloc_node_track_caller+0x3c/0x70 [ 240.011396] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 240.016177] pskb_expand_head+0x230/0x10f0 [ 240.020461] ? memcpy+0x45/0x50 [ 240.023749] ? __copy_skb_header+0x350/0x6b0 [ 240.028162] ? skb_release_data+0x880/0x880 [ 240.032516] ? __alloc_skb+0x770/0x770 [ 240.036442] ? __lock_is_held+0xb5/0x140 [ 240.040517] ? kasan_check_write+0x14/0x20 [ 240.044751] ? __skb_clone+0x6c7/0xa00 [ 240.048642] ? __copy_skb_header+0x6b0/0x6b0 [ 240.053053] ? kmem_cache_alloc+0x33a/0x730 [ 240.057401] skb_ensure_writable+0x3dd/0x640 [ 240.061859] ? skb_checksum_setup+0xaa0/0xaa0 [ 240.066356] ? check_preemption_disabled+0x48/0x280 [ 240.071377] ? __this_cpu_preempt_check+0x1c/0x20 [ 240.076254] ? __bpf_redirect+0x54b/0xb20 [ 240.080418] bpf_clone_redirect+0x14a/0x490 [ 240.084757] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 240.089779] ? __sched_text_start+0x8/0x8 [ 240.093934] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 240.098519] ? retint_kernel+0x2d/0x2d [ 240.102413] ? trace_hardirqs_on_caller+0xc0/0x310 [ 240.107353] ? find_held_lock+0x36/0x1c0 [ 240.111451] ? lock_acquire+0x1ed/0x520 [ 240.115449] ? bpf_test_run+0x3cb/0x780 [ 240.119486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.125027] ? check_preemption_disabled+0x48/0x280 [ 240.130051] ? kasan_check_read+0x11/0x20 [ 240.134202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.139495] ? rcu_softirq_qs+0x20/0x20 [ 240.143501] ? preempt_schedule+0x4d/0x60 [ 240.147677] ? ___preempt_schedule+0x16/0x18 [ 240.152108] ? bpf_test_run+0x25d/0x780 [ 240.156093] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.160509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.166046] ? bpf_test_init.isra.10+0x70/0x100 [ 240.170719] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 240.175504] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 240.180346] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.185882] ? fput+0x130/0x1a0 [ 240.189193] ? __bpf_prog_get+0x9b/0x290 [ 240.193259] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 240.198099] ? bpf_prog_test_run+0x130/0x1a0 [ 240.202532] ? __x64_sys_bpf+0x3d8/0x520 [ 240.206602] ? bpf_prog_get+0x20/0x20 [ 240.210449] ? do_syscall_64+0x1b9/0x820 [ 240.214510] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.219877] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.224809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.229656] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.234672] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.239700] ? prepare_exit_to_usermode+0x291/0x3b0 [ 240.244724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.249585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.254959] warn_alloc_show_mem: 1 callbacks suppressed [ 240.254970] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 240.254972] Mem-Info: [ 240.255001] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 240.255001] active_file:12 inactive_file:13 isolated_file:0 [ 240.255001] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.255001] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 240.255001] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 240.255001] free:13733 free_pcp:586 free_cma:0 [ 240.260341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.267616] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.270021] Call Trace: [ 240.302886] 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 [ 240.312230] [ 240.339633] lowmem_reserve[]: 0 2818 6321 6321 [ 240.342222] dump_stack+0x244/0x39d [ 240.368303] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.370453] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.375002] lowmem_reserve[]: 0 0 3503 3503 [ 240.378644] warn_alloc.cold.116+0xb7/0x1bd [ 240.406197] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 240.411391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.415691] lowmem_reserve[]: 0 0 0 0 [ 240.420035] ? lock_downgrade+0x900/0x900 [ 240.448982] 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 [ 240.453825] ? trace_hardirqs_off+0xb8/0x310 [ 240.457596] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 240.461753] ? trace_hardirqs_off+0xb8/0x310 [ 240.475247] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 240.479654] __alloc_pages_slowpath+0x26e8/0x2e10 [ 240.494977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.499393] ? warn_alloc+0x120/0x120 [ 240.513239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.518073] ? warn_alloc+0x120/0x120 [ 240.526894] 269 total pagecache pages [ 240.530687] ? warn_alloc+0x120/0x120 [ 240.539240] 0 pages in swap cache [ 240.543030] ? print_usage_bug+0xc0/0xc0 [ 240.546808] Swap cache stats: add 0, delete 0, find 0/0 [ 240.550617] ? __lock_is_held+0xb5/0x140 [ 240.554048] Free swap = 0kB [ 240.558100] ? print_usage_bug+0xc0/0xc0 [ 240.563443] Total swap = 0kB [ 240.567522] ? zap_class+0x640/0x640 [ 240.570520] 1965979 pages RAM [ 240.574579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.577572] 0 pages HighMem/MovableOnly [ 240.581278] ? should_fail+0x22d/0xd01 [ 240.584803] 342853 pages reserved [ 240.584811] 0 pages cma reserved [ 240.590348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.594388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.598194] ? __lock_acquire+0x62f/0x4c20 [ 240.601692] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.605010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.610087] syz-executor0 cpuset=syz0 mems_allowed=0 [ 240.616607] ? __lock_acquire+0x62f/0x4c20 [ 240.645686] ? should_fail+0x22d/0xd01 [ 240.649584] ? mark_held_locks+0x130/0x130 [ 240.653828] ? mark_held_locks+0x130/0x130 [ 240.658068] ? hrtimer_start_range_ns+0xe00/0xe00 [ 240.662929] ? trace_hardirqs_on+0x310/0x310 [ 240.667339] ? zap_class+0x640/0x640 [ 240.671060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.676594] ? check_preemption_disabled+0x48/0x280 [ 240.681634] ? __lock_is_held+0xb5/0x140 [ 240.685701] __alloc_pages_nodemask+0xa80/0xde0 [ 240.690383] ? zap_class+0x640/0x640 [ 240.694121] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 240.699154] ? find_held_lock+0x36/0x1c0 [ 240.703231] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.707905] ? lock_downgrade+0x900/0x900 [ 240.712070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.718108] cache_grow_begin+0xa5/0x8c0 [ 240.722188] ? do_raw_spin_unlock+0xa7/0x330 [ 240.726611] fallback_alloc+0x204/0x2e0 [ 240.730598] ____cache_alloc_node+0x1c7/0x1e0 [ 240.735104] kmem_cache_alloc_node+0xe3/0x730 [ 240.739611] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.743860] __alloc_skb+0x119/0x770 [ 240.747577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.752863] ? netdev_alloc_frag+0x1f0/0x1f0 [ 240.757277] ? lock_downgrade+0x900/0x900 [ 240.761437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.766977] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.772437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.777892] ? addrconf_rs_timer+0x690/0x690 [ 240.782318] ndisc_alloc_skb+0x144/0x340 [ 240.786411] ndisc_send_rs+0x331/0x6e0 [ 240.790306] addrconf_rs_timer+0x314/0x690 [ 240.794547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.798812] call_timer_fn+0x272/0x920 [ 240.802711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.806951] ? process_timeout+0x40/0x40 [ 240.811033] ? mark_held_locks+0xc7/0x130 [ 240.815188] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.819693] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.824187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.828532] ? lockdep_hardirqs_on+0x296/0x5b0 [ 240.833114] ? trace_hardirqs_on+0xbd/0x310 [ 240.837448] ? kasan_check_read+0x11/0x20 [ 240.841606] ? __run_timers+0x7da/0xc70 [ 240.845586] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.850697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.854960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.859208] __run_timers+0x7e5/0xc70 [ 240.863018] ? timer_fixup_init+0x70/0x70 [ 240.867171] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.872207] ? zap_class+0x640/0x640 [ 240.875950] ? print_usage_bug+0xc0/0xc0 [ 240.880015] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.885208] ? find_held_lock+0x36/0x1c0 [ 240.889307] ? zap_class+0x640/0x640 [ 240.893028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.898569] ? check_preemption_disabled+0x48/0x280 [ 240.903597] ? __lock_is_held+0xb5/0x140 [ 240.907662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.913241] ? check_preemption_disabled+0x48/0x280 [ 240.918264] run_timer_softirq+0x52/0xb0 [ 240.922330] ? rcu_read_lock_sched_held+0x14f/0x180 [ 240.927351] __do_softirq+0x308/0xb7e [ 240.931167] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 240.935660] ? lock_downgrade+0x900/0x900 [ 240.939831] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 240.944951] ? pvclock_read_flags+0x160/0x160 [ 240.949453] ? lapic_next_event+0x5a/0x90 [ 240.953607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.959154] ? kvm_clock_read+0x18/0x30 [ 240.963132] ? kvm_sched_clock_read+0x9/0x20 [ 240.967543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.973092] ? check_preemption_disabled+0x48/0x280 [ 240.978149] irq_exit+0x17f/0x1c0 [ 240.981609] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.986452] ? smp_reschedule_interrupt+0x109/0x650 [ 240.991473] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.997363] ? interrupt_entry+0xb5/0xc0 [ 241.001454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.006471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.011494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.016343] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.021361] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.026413] ? task_prio+0x50/0x50 [ 241.029963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.035506] ? check_preemption_disabled+0x48/0x280 [ 241.040537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.045392] apic_timer_interrupt+0xf/0x20 [ 241.049664] [ 241.051929] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 241.057120] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 241.076019] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.083730] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 241.091039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 241.098314] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 241.105586] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 241.112870] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 241.120192] retint_kernel+0x1b/0x2d [ 241.123912] RIP: 0010:dump_stack+0x358/0x39d [ 241.128340] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 241.147263] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 241.154970] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 241.162237] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 241.169506] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 241.176773] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 241.184038] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 241.191345] ? dump_stack+0x34f/0x39d [ 241.195171] ? dump_stack_print_info.cold.1+0x20/0x20 [ 241.200396] dump_header+0x27b/0xf72 [ 241.204187] ? mark_held_locks+0x130/0x130 [ 241.208455] ? pagefault_out_of_memory+0x197/0x197 [ 241.213418] ? __lock_acquire+0x62f/0x4c20 [ 241.217672] ? zap_class+0x640/0x640 [ 241.221392] ? percpu_ref_get_many+0x240/0x240 [ 241.225986] ? print_usage_bug+0xc0/0xc0 [ 241.230050] ? print_usage_bug+0xc0/0xc0 [ 241.234121] ? zap_class+0x640/0x640 [ 241.237843] ? print_usage_bug+0xc0/0xc0 [ 241.241905] ? print_usage_bug+0xc0/0xc0 [ 241.245986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.251536] ? find_held_lock+0x36/0x1c0 [ 241.255609] ? mark_held_locks+0xc7/0x130 [ 241.259761] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.264863] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.269967] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 241.274552] ? trace_hardirqs_on+0xbd/0x310 [ 241.278876] ? kasan_check_read+0x11/0x20 [ 241.283026] ? ___ratelimit+0x3b4/0x672 [ 241.287020] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.292123] ? trace_hardirqs_on+0x310/0x310 [ 241.296547] ? lock_downgrade+0x900/0x900 [ 241.300711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.305814] ? ___ratelimit+0x3b9/0x672 [ 241.309800] ? idr_get_free+0xf70/0xf70 [ 241.313775] ? find_held_lock+0x36/0x1c0 [ 241.317847] oom_kill_process.cold.27+0x10/0x903 [ 241.322618] ? zap_class+0x640/0x640 [ 241.326337] ? check_preemption_disabled+0x48/0x280 [ 241.331358] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 241.336283] ? kasan_check_read+0x11/0x20 [ 241.340451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.345741] ? oom_evaluate_task+0x540/0x540 [ 241.350164] ? find_held_lock+0x36/0x1c0 [ 241.354231] ? out_of_memory+0x974/0x1430 [ 241.358400] ? lock_downgrade+0x900/0x900 [ 241.362573] ? check_preemption_disabled+0x48/0x280 [ 241.367595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 241.372581] ? kasan_check_read+0x11/0x20 [ 241.376727] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.382010] ? rcu_softirq_qs+0x20/0x20 [ 241.385993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.391545] ? oom_evaluate_task+0x302/0x540 [ 241.395965] out_of_memory+0xa84/0x1430 [ 241.399955] ? oom_killer_disable+0x3a0/0x3a0 [ 241.404452] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 241.409389] ? __ww_mutex_check_waiters+0x160/0x160 [ 241.414432] __alloc_pages_slowpath+0x2354/0x2e10 [ 241.419302] ? warn_alloc+0x120/0x120 [ 241.423107] ? warn_alloc+0x120/0x120 [ 241.426916] ? warn_alloc+0x120/0x120 [ 241.430720] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.435831] ? print_usage_bug+0xc0/0xc0 [ 241.439890] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 241.444485] ? print_usage_bug+0xc0/0xc0 [ 241.448551] ? print_usage_bug+0xc0/0xc0 [ 241.452614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.458152] ? should_fail+0x22d/0xd01 [ 241.462044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.467145] ? zap_class+0x640/0x640 [ 241.470880] ? __lock_is_held+0xb5/0x140 [ 241.474950] ? zap_class+0x640/0x640 [ 241.478668] ? lock_release+0xa00/0xa00 [ 241.482690] ? perf_trace_sched_process_exec+0x860/0x860 [ 241.488155] ? check_preemption_disabled+0x48/0x280 [ 241.493184] ? __might_sleep+0x95/0x190 [ 241.497167] __alloc_pages_nodemask+0xa80/0xde0 [ 241.501836] ? zap_class+0x640/0x640 [ 241.505558] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 241.510590] ? mark_held_locks+0xc7/0x130 [ 241.514742] ? cache_grow_begin+0x65/0x8c0 [ 241.518994] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 241.523580] ? trace_hardirqs_on+0xbd/0x310 [ 241.527916] ? fallback_alloc+0x204/0x2e0 [ 241.532073] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.537197] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.542763] cache_grow_begin+0xa5/0x8c0 [ 241.546822] ? do_raw_spin_unlock+0xa7/0x330 [ 241.551238] fallback_alloc+0x204/0x2e0 [ 241.555219] ____cache_alloc_node+0x1c7/0x1e0 [ 241.559722] kmem_cache_alloc_node+0xe3/0x730 [ 241.564233] __alloc_skb+0x119/0x770 [ 241.567956] ? netdev_alloc_frag+0x1f0/0x1f0 [ 241.572397] ? if_nlmsg_size+0x5d1/0xbb0 [ 241.576473] ? rtnetlink_put_metrics+0x690/0x690 [ 241.581239] ? sk_psock_stop_strp+0x120/0x120 [ 241.585731] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 241.590766] ? netif_tx_stop_all_queues+0xd9/0x110 [ 241.595702] rtmsg_ifinfo_build_skb+0x74/0x190 [ 241.600293] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 241.605140] rtmsg_ifinfo+0x8c/0xa0 [ 241.608787] dev_close_many+0x3be/0x860 [ 241.612786] ? dev_fill_metadata_dst+0x840/0x840 [ 241.617542] ? find_held_lock+0x36/0x1c0 [ 241.621611] ? __queue_work+0x671/0x1440 [ 241.625671] ? lock_downgrade+0x900/0x900 [ 241.629826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.635359] ? rtnl_is_locked+0xb5/0xf0 [ 241.639373] ? rtnl_trylock+0x20/0x20 [ 241.643179] ? do_raw_spin_unlock+0xa7/0x330 [ 241.647586] ? do_raw_spin_trylock+0x270/0x270 [ 241.652208] rollback_registered_many+0x543/0x1250 [ 241.657143] ? generic_xdp_install+0x5a0/0x5a0 [ 241.661762] ? flush_rcu_work+0x90/0x90 [ 241.665758] ? zap_class+0x640/0x640 [ 241.669472] ? print_usage_bug+0xc0/0xc0 [ 241.673534] ? print_usage_bug+0xc0/0xc0 [ 241.677614] ? zap_class+0x640/0x640 [ 241.681334] ? print_usage_bug+0xc0/0xc0 [ 241.685400] ? find_held_lock+0x36/0x1c0 [ 241.689526] ? mark_held_locks+0xc7/0x130 [ 241.693698] rollback_registered+0x1e9/0x420 [ 241.698119] ? lockdep_hardirqs_on+0x321/0x5b0 [ 241.702700] ? rollback_registered_many+0x1250/0x1250 [ 241.707889] ? trace_hardirqs_on+0xbd/0x310 [ 241.712230] ? linkwatch_schedule_work+0x150/0x170 [ 241.717164] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.722273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.727808] ? rtnl_is_locked+0xb5/0xf0 [ 241.731795] ? rtnl_trylock+0x20/0x20 [ 241.735607] ? queue_delayed_work_on+0x130/0x1f0 [ 241.740394] unregister_netdevice_queue+0x321/0x5e0 [ 241.745444] ? rollback_registered+0x420/0x420 [ 241.750055] ? linkwatch_schedule_work+0x170/0x170 [ 241.754992] ? tun_setup+0x2d0/0x2d0 [ 241.758710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.764256] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 241.769618] ? __tun_detach+0x6ba/0x15c0 [ 241.773690] __tun_detach+0x11b8/0x15c0 [ 241.777666] ? __call_rcu.constprop.55+0x3ea/0x950 [ 241.782595] ? __call_rcu.constprop.55+0x3ea/0x950 [ 241.787548] ? tun_attach+0x1900/0x1900 [ 241.791543] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.796651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.802193] ? check_preemption_disabled+0x48/0x280 [ 241.807212] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 241.811819] ? zap_class+0x640/0x640 [ 241.815533] ? fsnotify+0x4e5/0xf20 [ 241.819179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.824716] ? locks_remove_file+0x3c6/0x5c0 [ 241.829129] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 241.834667] ? ima_file_free+0x132/0x650 [ 241.838736] ? __lock_is_held+0xb5/0x140 [ 241.842804] ? __tun_detach+0x15c0/0x15c0 [ 241.846959] ? __tun_detach+0x15c0/0x15c0 [ 241.851110] tun_chr_close+0xe3/0x180 [ 241.854914] __fput+0x385/0xa30 [ 241.858208] ? get_max_files+0x20/0x20 [ 241.862106] ? perf_trace_sched_process_exec+0x860/0x860 [ 241.867582] ____fput+0x15/0x20 [ 241.870866] task_work_run+0x1e8/0x2a0 [ 241.874786] ? task_work_cancel+0x240/0x240 [ 241.879158] ? switch_task_namespaces+0xb8/0xd0 [ 241.883855] do_exit+0x1ad6/0x26d0 [ 241.887410] ? mm_update_next_owner+0x990/0x990 [ 241.892110] ? print_usage_bug+0xc0/0xc0 [ 241.896172] ? find_held_lock+0x36/0x1c0 [ 241.900249] ? mark_held_locks+0x130/0x130 [ 241.904495] ? __lock_acquire+0x62f/0x4c20 [ 241.908747] ? pipe_wait+0x266/0x2c0 [ 241.912496] ? lock_release+0xa00/0xa00 [ 241.916490] ? mark_held_locks+0x130/0x130 [ 241.920736] ? __mutex_lock+0x85e/0x16f0 [ 241.924799] ? __switch_to_asm+0x40/0x70 [ 241.928868] ? pipe_wait+0x266/0x2c0 [ 241.932606] ? __switch_to_asm+0x34/0x70 [ 241.936673] ? __switch_to_asm+0x40/0x70 [ 241.940744] ? mutex_trylock+0x2b0/0x2b0 [ 241.944815] ? zap_class+0x640/0x640 [ 241.948557] ? zap_class+0x640/0x640 [ 241.952277] ? find_held_lock+0x36/0x1c0 [ 241.956364] ? memset+0x31/0x40 [ 241.959671] ? find_held_lock+0x36/0x1c0 [ 241.963750] ? get_signal+0x95b/0x1980 [ 241.967643] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.972153] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.976716] do_group_exit+0x177/0x440 [ 241.980619] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.985735] ? __ia32_sys_exit+0x50/0x50 [ 241.989814] get_signal+0x8b0/0x1980 [ 241.993552] ? ptrace_notify+0x130/0x130 [ 241.997643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.003193] ? pipe_read+0x702/0x940 [ 242.006919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.012502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.018051] ? __vfs_read+0x11f/0x9b0 [ 242.021865] do_signal+0x9c/0x21c0 [ 242.025439] ? fsnotify+0xf20/0xf20 [ 242.029086] ? setup_sigcontext+0x7d0/0x7d0 [ 242.033433] ? exit_to_usermode_loop+0x8c/0x380 [ 242.038116] ? exit_to_usermode_loop+0x8c/0x380 [ 242.042796] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.047418] ? trace_hardirqs_on+0xbd/0x310 [ 242.051777] ? do_syscall_64+0x6be/0x820 [ 242.055853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.061445] exit_to_usermode_loop+0x2e5/0x380 [ 242.066049] ? __bpf_trace_sys_exit+0x30/0x30 [ 242.070564] do_syscall_64+0x6be/0x820 [ 242.074458] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.079837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.084780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.089635] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.094668] ? prepare_exit_to_usermode+0x291/0x3b0 [ 242.099700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.104555] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.109764] RIP: 0033:0x410fa0 [ 242.112991] Code: Bad RIP value. [ 242.116353] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 242.124086] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 242.131372] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 242.138655] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 242.145955] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 242.153238] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 242.160551] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 242.160617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.167930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.167936] Call Trace: [ 242.167943] [ 242.167966] dump_stack+0x244/0x39d [ 242.167990] ? dump_stack_print_info.cold.1+0x20/0x20 [ 242.174581] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.183870] warn_alloc.cold.116+0xb7/0x1bd [ 242.186432] syz-executor5 cpuset=syz5 mems_allowed=0 [ 242.188587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.222131] ? lock_downgrade+0x900/0x900 [ 242.226310] ? trace_hardirqs_off+0xb8/0x310 [ 242.230731] ? trace_hardirqs_off+0xb8/0x310 [ 242.235158] __alloc_pages_slowpath+0x26e8/0x2e10 [ 242.240032] ? warn_alloc+0x120/0x120 [ 242.243839] ? print_usage_bug+0xc0/0xc0 [ 242.247920] ? warn_alloc+0x120/0x120 [ 242.251734] ? warn_alloc+0x120/0x120 [ 242.255545] ? print_usage_bug+0xc0/0xc0 [ 242.259617] ? print_usage_bug+0xc0/0xc0 [ 242.263683] ? __lock_acquire+0x62f/0x4c20 [ 242.267928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.273474] ? should_fail+0x22d/0xd01 [ 242.277381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.282502] ? __lock_acquire+0x62f/0x4c20 [ 242.286766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.291880] ? __lock_acquire+0x62f/0x4c20 [ 242.296121] ? should_fail+0x22d/0xd01 [ 242.300016] ? find_held_lock+0x36/0x1c0 [ 242.304089] ? mark_held_locks+0x130/0x130 [ 242.308333] ? mark_held_locks+0x130/0x130 [ 242.312578] ? zap_class+0x640/0x640 [ 242.316296] ? zap_class+0x640/0x640 [ 242.320018] ? print_usage_bug+0xc0/0xc0 [ 242.324080] ? do_raw_spin_unlock+0xa7/0x330 [ 242.328510] ? zap_class+0x640/0x640 [ 242.332226] ? print_usage_bug+0xc0/0xc0 [ 242.336293] ? wq_watchdog_touch+0x9c/0xfe [ 242.340554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.346111] ? check_preemption_disabled+0x48/0x280 [ 242.351146] ? __lock_is_held+0xb5/0x140 [ 242.355215] __alloc_pages_nodemask+0xa80/0xde0 [ 242.359918] ? zap_class+0x640/0x640 [ 242.363652] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 242.368689] ? find_held_lock+0x36/0x1c0 [ 242.372775] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.377462] ? lock_downgrade+0x900/0x900 [ 242.381622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.387175] cache_grow_begin+0xa5/0x8c0 [ 242.391253] ? do_raw_spin_unlock+0xa7/0x330 [ 242.395674] fallback_alloc+0x204/0x2e0 [ 242.399668] ____cache_alloc_node+0x1c7/0x1e0 [ 242.404179] kmem_cache_alloc_node+0xe3/0x730 [ 242.408681] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.412934] __alloc_skb+0x119/0x770 [ 242.416652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.421935] ? netdev_alloc_frag+0x1f0/0x1f0 [ 242.426351] ? lock_downgrade+0x900/0x900 [ 242.430522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.436063] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.441523] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.446979] ? addrconf_rs_timer+0x690/0x690 [ 242.451412] ndisc_alloc_skb+0x144/0x340 [ 242.455548] ndisc_send_rs+0x331/0x6e0 [ 242.459456] addrconf_rs_timer+0x314/0x690 [ 242.463712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.468014] call_timer_fn+0x272/0x920 [ 242.471918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.476213] ? process_timeout+0x40/0x40 [ 242.480294] ? __run_timers+0x7da/0xc70 [ 242.484270] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.488765] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.493271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.497526] ? lockdep_hardirqs_on+0x296/0x5b0 [ 242.502116] ? trace_hardirqs_on+0xbd/0x310 [ 242.506457] ? kasan_check_read+0x11/0x20 [ 242.510607] ? __run_timers+0x7da/0xc70 [ 242.514586] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.519702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.523959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.528196] __run_timers+0x7e5/0xc70 [ 242.532028] ? timer_fixup_init+0x70/0x70 [ 242.536200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.541221] ? zap_class+0x640/0x640 [ 242.544947] ? enqueue_hrtimer+0x1a5/0x560 [ 242.549193] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.554397] ? find_held_lock+0x36/0x1c0 [ 242.558483] ? zap_class+0x640/0x640 [ 242.562208] ? pvclock_read_flags+0x160/0x160 [ 242.566712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.572275] ? check_preemption_disabled+0x48/0x280 [ 242.577309] ? __lock_is_held+0xb5/0x140 [ 242.581375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.587462] ? check_preemption_disabled+0x48/0x280 [ 242.592501] run_timer_softirq+0x52/0xb0 [ 242.596577] ? rcu_read_lock_sched_held+0x14f/0x180 [ 242.601600] __do_softirq+0x308/0xb7e [ 242.605433] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 242.609950] ? lock_downgrade+0x900/0x900 [ 242.614107] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 242.619226] ? pvclock_read_flags+0x160/0x160 [ 242.623731] ? lapic_next_event+0x5a/0x90 [ 242.627898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.633483] ? kvm_clock_read+0x18/0x30 [ 242.637491] ? kvm_sched_clock_read+0x9/0x20 [ 242.641910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.647481] ? check_preemption_disabled+0x48/0x280 [ 242.652512] irq_exit+0x17f/0x1c0 [ 242.655982] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.660828] ? smp_reschedule_interrupt+0x109/0x650 [ 242.665851] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.671741] ? interrupt_entry+0xb5/0xc0 [ 242.675811] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.680854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.685894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.690756] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.695786] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.700841] ? task_prio+0x50/0x50 [ 242.704388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.709950] ? check_preemption_disabled+0x48/0x280 [ 242.715133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.720034] apic_timer_interrupt+0xf/0x20 [ 242.724274] [ 242.726520] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 242.732422] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 242.751360] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 242.759088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.766361] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 242.773643] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 242.780916] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 242.788211] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 242.795538] ? save_stack+0xa9/0xd0 [ 242.799180] __kmalloc_node_track_caller+0x3c/0x70 [ 242.804134] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 242.808900] pskb_expand_head+0x230/0x10f0 [ 242.813148] ? memcpy+0x45/0x50 [ 242.816461] ? __copy_skb_header+0x350/0x6b0 [ 242.820875] ? skb_release_data+0x880/0x880 [ 242.825201] ? __alloc_skb+0x770/0x770 [ 242.829112] ? __lock_is_held+0xb5/0x140 [ 242.833182] ? kasan_check_write+0x14/0x20 [ 242.837445] ? __skb_clone+0x6c7/0xa00 [ 242.841352] ? __copy_skb_header+0x6b0/0x6b0 [ 242.845760] ? kmem_cache_alloc+0x33a/0x730 [ 242.850127] skb_ensure_writable+0x3dd/0x640 [ 242.854551] ? skb_checksum_setup+0xaa0/0xaa0 [ 242.859055] ? check_preemption_disabled+0x48/0x280 [ 242.864142] ? __this_cpu_preempt_check+0x1c/0x20 [ 242.868989] ? __bpf_redirect+0x54b/0xb20 [ 242.873150] bpf_clone_redirect+0x14a/0x490 [ 242.877489] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 242.882518] ? __sched_text_start+0x8/0x8 [ 242.886676] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.891267] ? retint_kernel+0x2d/0x2d [ 242.895158] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.900101] ? find_held_lock+0x36/0x1c0 [ 242.904181] ? lock_acquire+0x1ed/0x520 [ 242.908158] ? bpf_test_run+0x3cb/0x780 [ 242.912143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.917692] ? check_preemption_disabled+0x48/0x280 [ 242.922722] ? kasan_check_read+0x11/0x20 [ 242.926875] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.932160] ? rcu_softirq_qs+0x20/0x20 [ 242.936139] ? preempt_schedule+0x4d/0x60 [ 242.940291] ? ___preempt_schedule+0x16/0x18 [ 242.944716] ? bpf_test_run+0x25d/0x780 [ 242.948708] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.953127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.958672] ? bpf_test_init.isra.10+0x70/0x100 [ 242.963354] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 242.968124] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 242.972971] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.978518] ? fput+0x130/0x1a0 [ 242.981799] ? __bpf_prog_get+0x9b/0x290 [ 242.985868] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 242.990717] ? bpf_prog_test_run+0x130/0x1a0 [ 242.995140] ? __x64_sys_bpf+0x3d8/0x520 [ 242.999204] ? bpf_prog_get+0x20/0x20 [ 243.003050] ? do_syscall_64+0x1b9/0x820 [ 243.007114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.012492] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.017440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.022300] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.027327] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.032382] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.037438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.042311] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.047703] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 243.047709] warn_alloc_show_mem: 1 callbacks suppressed [ 243.047716] Mem-Info: [ 243.055006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.055016] Call Trace: [ 243.060413] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 243.060413] active_file:12 inactive_file:13 isolated_file:0 [ 243.060413] unevictable:0 dirty:0 writeback:0 unstable:0 [ 243.060413] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 243.060413] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 243.060413] free:13733 free_pcp:586 free_cma:0 [ 243.062787] [ 243.072160] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 243.074761] dump_stack+0x244/0x39d [ 243.107654] 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 [ 243.109823] ? dump_stack_print_info.cold.1+0x20/0x20 [ 243.137202] lowmem_reserve[]: 0 2818 6321 6321 [ 243.140860] warn_alloc.cold.116+0xb7/0x1bd [ 243.166937] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.172163] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.176712] lowmem_reserve[]: 0 0 3503 3503 [ 243.181051] ? lock_downgrade+0x900/0x900 [ 243.208624] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 243.213484] ? trace_hardirqs_off+0xb8/0x310 [ 243.217783] lowmem_reserve[]: 0 0 0 0 [ 243.221951] ? trace_hardirqs_off+0xb8/0x310 [ 243.250909] 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 [ 243.255352] __alloc_pages_slowpath+0x26e8/0x2e10 [ 243.259124] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 243.263569] ? warn_alloc+0x120/0x120 [ 243.277062] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 243.281913] ? print_usage_bug+0xc0/0xc0 [ 243.297252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.301054] ? warn_alloc+0x120/0x120 [ 243.314914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.314926] 269 total pagecache pages [ 243.319007] ? warn_alloc+0x120/0x120 [ 243.327827] 0 pages in swap cache [ 243.331632] ? print_usage_bug+0xc0/0xc0 [ 243.340183] Swap cache stats: add 0, delete 0, find 0/0 [ 243.340194] Free swap = 0kB [ 243.343999] ? kvm_clock_read+0x18/0x30 [ 243.347766] Total swap = 0kB [ 243.347773] 1965979 pages RAM [ 243.351229] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 243.355263] 0 pages HighMem/MovableOnly [ 243.360634] ? print_usage_bug+0xc0/0xc0 [ 243.363629] 342853 pages reserved [ 243.367599] ? __lock_acquire+0x62f/0x4c20 [ 243.370594] 0 pages cma reserved [ 243.373699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.378770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.382662] ? should_fail+0x22d/0xd01 [ 243.386803] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.390153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.394365] syz-executor0 cpuset=syz0 mems_allowed=0 [ 243.397735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.439587] ? __lock_acquire+0x62f/0x4c20 [ 243.443834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.448949] ? __lock_acquire+0x62f/0x4c20 [ 243.453221] ? should_fail+0x22d/0xd01 [ 243.457130] ? rcu_irq_exit+0x1a2/0x390 [ 243.461149] ? mark_held_locks+0x130/0x130 [ 243.465396] ? mark_held_locks+0x130/0x130 [ 243.469660] ? mark_held_locks+0xc7/0x130 [ 243.473812] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 243.478839] ? zap_class+0x640/0x640 [ 243.482562] ? print_usage_bug+0xc0/0xc0 [ 243.486632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.492181] ? check_preemption_disabled+0x48/0x280 [ 243.497215] ? __lock_is_held+0xb5/0x140 [ 243.501330] __alloc_pages_nodemask+0xa80/0xde0 [ 243.506014] ? zap_class+0x640/0x640 [ 243.509736] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 243.514775] ? find_held_lock+0x36/0x1c0 [ 243.518859] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.523538] ? lock_downgrade+0x900/0x900 [ 243.527698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.533261] cache_grow_begin+0xa5/0x8c0 [ 243.537340] ? do_raw_spin_unlock+0xa7/0x330 [ 243.541762] fallback_alloc+0x204/0x2e0 [ 243.545767] ____cache_alloc_node+0x1c7/0x1e0 [ 243.550301] kmem_cache_alloc_node+0xe3/0x730 [ 243.554804] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.559085] __alloc_skb+0x119/0x770 [ 243.562805] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.568138] ? netdev_alloc_frag+0x1f0/0x1f0 [ 243.572564] ? lock_downgrade+0x900/0x900 [ 243.576729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.582272] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.587731] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.593190] ? addrconf_rs_timer+0x690/0x690 [ 243.597633] ndisc_alloc_skb+0x144/0x340 [ 243.601715] ndisc_send_rs+0x331/0x6e0 [ 243.605629] addrconf_rs_timer+0x314/0x690 [ 243.609923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.614180] call_timer_fn+0x272/0x920 [ 243.618090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.622333] ? process_timeout+0x40/0x40 [ 243.626440] ? mark_held_locks+0xc7/0x130 [ 243.630623] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.635135] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.639630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.643866] ? lockdep_hardirqs_on+0x296/0x5b0 [ 243.648467] ? trace_hardirqs_on+0xbd/0x310 [ 243.652813] ? kasan_check_read+0x11/0x20 [ 243.656967] ? __run_timers+0x7da/0xc70 [ 243.660951] ? trace_hardirqs_off_caller+0x310/0x310 [ 243.666086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.670334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.674574] __run_timers+0x7e5/0xc70 [ 243.678391] ? timer_fixup_init+0x70/0x70 [ 243.682552] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.687576] ? zap_class+0x640/0x640 [ 243.691326] ? print_usage_bug+0xc0/0xc0 [ 243.695392] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.700685] ? find_held_lock+0x36/0x1c0 [ 243.704766] ? zap_class+0x640/0x640 [ 243.708486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.714024] ? check_preemption_disabled+0x48/0x280 [ 243.719053] ? __lock_is_held+0xb5/0x140 [ 243.723136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.728678] ? check_preemption_disabled+0x48/0x280 [ 243.733704] run_timer_softirq+0x52/0xb0 [ 243.737766] ? rcu_read_lock_sched_held+0x14f/0x180 [ 243.742786] __do_softirq+0x308/0xb7e [ 243.746614] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 243.751119] ? lock_downgrade+0x900/0x900 [ 243.755269] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 243.760396] ? pvclock_read_flags+0x160/0x160 [ 243.764936] ? lapic_next_event+0x5a/0x90 [ 243.769140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.774703] ? kvm_clock_read+0x18/0x30 [ 243.778678] ? kvm_sched_clock_read+0x9/0x20 [ 243.783089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.788627] ? check_preemption_disabled+0x48/0x280 [ 243.793658] irq_exit+0x17f/0x1c0 [ 243.797183] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.802028] ? smp_reschedule_interrupt+0x109/0x650 [ 243.807047] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.812935] ? interrupt_entry+0xb5/0xc0 [ 243.816996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.822007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.827038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.831878] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.836893] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.841924] ? task_prio+0x50/0x50 [ 243.845485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.851027] ? check_preemption_disabled+0x48/0x280 [ 243.856046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.860895] apic_timer_interrupt+0xf/0x20 [ 243.865143] [ 243.867383] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 243.872580] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 243.891491] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.899195] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 243.906488] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 243.913752] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 243.921015] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 243.928279] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 243.935587] retint_kernel+0x1b/0x2d [ 243.939337] RIP: 0010:dump_stack+0x358/0x39d [ 243.943746] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 243.962664] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 243.970384] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 243.977659] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 243.984936] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 243.992207] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 243.999474] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 244.006770] ? dump_stack+0x34f/0x39d [ 244.010602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 244.015808] dump_header+0x27b/0xf72 [ 244.019538] ? mark_held_locks+0x130/0x130 [ 244.023778] ? pagefault_out_of_memory+0x197/0x197 [ 244.028717] ? __lock_acquire+0x62f/0x4c20 [ 244.032955] ? zap_class+0x640/0x640 [ 244.036674] ? percpu_ref_get_many+0x240/0x240 [ 244.041263] ? print_usage_bug+0xc0/0xc0 [ 244.045340] ? print_usage_bug+0xc0/0xc0 [ 244.049416] ? zap_class+0x640/0x640 [ 244.053154] ? print_usage_bug+0xc0/0xc0 [ 244.057244] ? print_usage_bug+0xc0/0xc0 [ 244.061317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.066860] ? find_held_lock+0x36/0x1c0 [ 244.070955] ? mark_held_locks+0xc7/0x130 [ 244.075123] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.080226] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.085330] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.089916] ? trace_hardirqs_on+0xbd/0x310 [ 244.094282] ? kasan_check_read+0x11/0x20 [ 244.098437] ? ___ratelimit+0x3b4/0x672 [ 244.102427] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.107537] ? trace_hardirqs_on+0x310/0x310 [ 244.111951] ? lock_downgrade+0x900/0x900 [ 244.116109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.121215] ? ___ratelimit+0x3b9/0x672 [ 244.125196] ? idr_get_free+0xf70/0xf70 [ 244.129171] ? find_held_lock+0x36/0x1c0 [ 244.133244] oom_kill_process.cold.27+0x10/0x903 [ 244.138005] ? zap_class+0x640/0x640 [ 244.141721] ? check_preemption_disabled+0x48/0x280 [ 244.146743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 244.151673] ? kasan_check_read+0x11/0x20 [ 244.155821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.161099] ? oom_evaluate_task+0x540/0x540 [ 244.165513] ? find_held_lock+0x36/0x1c0 [ 244.169588] ? out_of_memory+0x974/0x1430 [ 244.173739] ? lock_downgrade+0x900/0x900 [ 244.177891] ? check_preemption_disabled+0x48/0x280 [ 244.182915] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 244.187851] ? kasan_check_read+0x11/0x20 [ 244.192000] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.197279] ? rcu_softirq_qs+0x20/0x20 [ 244.201259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.206795] ? oom_evaluate_task+0x302/0x540 [ 244.211210] out_of_memory+0xa84/0x1430 [ 244.215195] ? oom_killer_disable+0x3a0/0x3a0 [ 244.219696] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 244.224634] ? __ww_mutex_check_waiters+0x160/0x160 [ 244.229678] __alloc_pages_slowpath+0x2354/0x2e10 [ 244.234552] ? warn_alloc+0x120/0x120 [ 244.238363] ? warn_alloc+0x120/0x120 [ 244.242169] ? warn_alloc+0x120/0x120 [ 244.245973] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.251095] ? print_usage_bug+0xc0/0xc0 [ 244.255174] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.259757] ? print_usage_bug+0xc0/0xc0 [ 244.263855] ? print_usage_bug+0xc0/0xc0 [ 244.267942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.273480] ? should_fail+0x22d/0xd01 [ 244.277376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.282493] ? zap_class+0x640/0x640 [ 244.286237] ? __lock_is_held+0xb5/0x140 [ 244.290309] ? zap_class+0x640/0x640 [ 244.294032] ? lock_release+0xa00/0xa00 [ 244.298011] ? perf_trace_sched_process_exec+0x860/0x860 [ 244.303462] ? check_preemption_disabled+0x48/0x280 [ 244.308505] ? __might_sleep+0x95/0x190 [ 244.312486] __alloc_pages_nodemask+0xa80/0xde0 [ 244.317178] ? zap_class+0x640/0x640 [ 244.320899] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 244.325953] ? mark_held_locks+0xc7/0x130 [ 244.330121] ? cache_grow_begin+0x65/0x8c0 [ 244.334358] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.338977] ? trace_hardirqs_on+0xbd/0x310 [ 244.343319] ? fallback_alloc+0x204/0x2e0 [ 244.347467] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.352579] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.358125] cache_grow_begin+0xa5/0x8c0 [ 244.362188] ? do_raw_spin_unlock+0xa7/0x330 [ 244.366607] fallback_alloc+0x204/0x2e0 [ 244.370592] ____cache_alloc_node+0x1c7/0x1e0 [ 244.375096] kmem_cache_alloc_node+0xe3/0x730 [ 244.379606] __alloc_skb+0x119/0x770 [ 244.383328] ? netdev_alloc_frag+0x1f0/0x1f0 [ 244.387745] ? if_nlmsg_size+0x5d1/0xbb0 [ 244.391816] ? rtnetlink_put_metrics+0x690/0x690 [ 244.396585] ? sk_psock_stop_strp+0x120/0x120 [ 244.401082] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 244.406098] ? netif_tx_stop_all_queues+0xd9/0x110 [ 244.411048] rtmsg_ifinfo_build_skb+0x74/0x190 [ 244.415643] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 244.420526] rtmsg_ifinfo+0x8c/0xa0 [ 244.424162] dev_close_many+0x3be/0x860 [ 244.428151] ? dev_fill_metadata_dst+0x840/0x840 [ 244.432910] ? find_held_lock+0x36/0x1c0 [ 244.436985] ? __queue_work+0x671/0x1440 [ 244.441047] ? lock_downgrade+0x900/0x900 [ 244.445231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.450811] ? rtnl_is_locked+0xb5/0xf0 [ 244.454785] ? rtnl_trylock+0x20/0x20 [ 244.458584] ? do_raw_spin_unlock+0xa7/0x330 [ 244.462997] ? do_raw_spin_trylock+0x270/0x270 [ 244.467591] rollback_registered_many+0x543/0x1250 [ 244.472529] ? generic_xdp_install+0x5a0/0x5a0 [ 244.477133] ? flush_rcu_work+0x90/0x90 [ 244.481127] ? zap_class+0x640/0x640 [ 244.484845] ? print_usage_bug+0xc0/0xc0 [ 244.488971] ? print_usage_bug+0xc0/0xc0 [ 244.493039] ? zap_class+0x640/0x640 [ 244.496759] ? print_usage_bug+0xc0/0xc0 [ 244.500825] ? find_held_lock+0x36/0x1c0 [ 244.504948] ? mark_held_locks+0xc7/0x130 [ 244.509098] rollback_registered+0x1e9/0x420 [ 244.513507] ? lockdep_hardirqs_on+0x321/0x5b0 [ 244.518089] ? rollback_registered_many+0x1250/0x1250 [ 244.523276] ? trace_hardirqs_on+0xbd/0x310 [ 244.527611] ? linkwatch_schedule_work+0x150/0x170 [ 244.532561] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.537675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.543236] ? rtnl_is_locked+0xb5/0xf0 [ 244.547209] ? rtnl_trylock+0x20/0x20 [ 244.551017] ? queue_delayed_work_on+0x130/0x1f0 [ 244.555803] unregister_netdevice_queue+0x321/0x5e0 [ 244.560827] ? rollback_registered+0x420/0x420 [ 244.565421] ? linkwatch_schedule_work+0x170/0x170 [ 244.570353] ? tun_setup+0x2d0/0x2d0 [ 244.574066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.579606] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 244.585085] ? __tun_detach+0x6ba/0x15c0 [ 244.589156] __tun_detach+0x11b8/0x15c0 [ 244.593128] ? __call_rcu.constprop.55+0x3ea/0x950 [ 244.598055] ? __call_rcu.constprop.55+0x3ea/0x950 [ 244.602989] ? tun_attach+0x1900/0x1900 [ 244.606962] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.612078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.617617] ? check_preemption_disabled+0x48/0x280 [ 244.622637] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.627237] ? zap_class+0x640/0x640 [ 244.630955] ? fsnotify+0x4e5/0xf20 [ 244.634599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.640137] ? locks_remove_file+0x3c6/0x5c0 [ 244.644553] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 244.650093] ? ima_file_free+0x132/0x650 [ 244.654163] ? __lock_is_held+0xb5/0x140 [ 244.658272] ? __tun_detach+0x15c0/0x15c0 [ 244.662449] ? __tun_detach+0x15c0/0x15c0 [ 244.666612] tun_chr_close+0xe3/0x180 [ 244.670456] __fput+0x385/0xa30 [ 244.673744] ? get_max_files+0x20/0x20 [ 244.677643] ? perf_trace_sched_process_exec+0x860/0x860 [ 244.683131] ____fput+0x15/0x20 [ 244.686419] task_work_run+0x1e8/0x2a0 [ 244.690327] ? task_work_cancel+0x240/0x240 [ 244.694657] ? switch_task_namespaces+0xb8/0xd0 [ 244.699337] do_exit+0x1ad6/0x26d0 [ 244.702890] ? mm_update_next_owner+0x990/0x990 [ 244.707595] ? print_usage_bug+0xc0/0xc0 [ 244.711678] ? find_held_lock+0x36/0x1c0 [ 244.716297] ? mark_held_locks+0x130/0x130 [ 244.720538] ? __lock_acquire+0x62f/0x4c20 [ 244.724774] ? pipe_wait+0x266/0x2c0 [ 244.728503] ? lock_release+0xa00/0xa00 [ 244.732510] ? mark_held_locks+0x130/0x130 [ 244.736756] ? __mutex_lock+0x85e/0x16f0 [ 244.740816] ? __switch_to_asm+0x40/0x70 [ 244.744878] ? pipe_wait+0x266/0x2c0 [ 244.748607] ? __switch_to_asm+0x34/0x70 [ 244.752670] ? __switch_to_asm+0x40/0x70 [ 244.756737] ? mutex_trylock+0x2b0/0x2b0 [ 244.760801] ? zap_class+0x640/0x640 [ 244.764573] ? zap_class+0x640/0x640 [ 244.768284] ? find_held_lock+0x36/0x1c0 [ 244.772373] ? memset+0x31/0x40 [ 244.775676] ? find_held_lock+0x36/0x1c0 [ 244.779744] ? get_signal+0x95b/0x1980 [ 244.783635] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.788133] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.792634] do_group_exit+0x177/0x440 [ 244.796528] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.801647] ? __ia32_sys_exit+0x50/0x50 [ 244.805721] get_signal+0x8b0/0x1980 [ 244.809465] ? ptrace_notify+0x130/0x130 [ 244.813557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.819098] ? pipe_read+0x702/0x940 [ 244.822813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.828380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.833954] ? __vfs_read+0x11f/0x9b0 [ 244.837762] do_signal+0x9c/0x21c0 [ 244.841304] ? fsnotify+0xf20/0xf20 [ 244.844942] ? setup_sigcontext+0x7d0/0x7d0 [ 244.849269] ? exit_to_usermode_loop+0x8c/0x380 [ 244.853966] ? exit_to_usermode_loop+0x8c/0x380 [ 244.858656] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.863239] ? trace_hardirqs_on+0xbd/0x310 [ 244.867559] ? do_syscall_64+0x6be/0x820 [ 244.871627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.877167] exit_to_usermode_loop+0x2e5/0x380 [ 244.881749] ? __bpf_trace_sys_exit+0x30/0x30 [ 244.886275] do_syscall_64+0x6be/0x820 [ 244.890173] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.895538] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.900466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.905309] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.910328] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.915390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.920264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.925478] RIP: 0033:0x410fa0 [ 244.928699] Code: Bad RIP value. [ 244.932063] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 244.939767] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 244.947047] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 244.954328] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 244.961609] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 244.968875] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 244.976183] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 244.976274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.983555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.983560] Call Trace: [ 244.983567] [ 244.983587] dump_stack+0x244/0x39d [ 244.983606] ? dump_stack_print_info.cold.1+0x20/0x20 [ 244.990137] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.999458] warn_alloc.cold.116+0xb7/0x1bd [ 245.002007] syz-executor5 cpuset=syz5 mems_allowed=0 [ 245.004156] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.037658] ? lock_downgrade+0x900/0x900 [ 245.041818] ? trace_hardirqs_off+0xb8/0x310 [ 245.046235] ? trace_hardirqs_off+0xb8/0x310 [ 245.050655] __alloc_pages_slowpath+0x26e8/0x2e10 [ 245.055534] ? warn_alloc+0x120/0x120 [ 245.059348] ? print_usage_bug+0xc0/0xc0 [ 245.063419] ? warn_alloc+0x120/0x120 [ 245.067241] ? warn_alloc+0x120/0x120 [ 245.071051] ? print_usage_bug+0xc0/0xc0 [ 245.075112] ? kvm_clock_read+0x18/0x30 [ 245.079114] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.084137] ? print_usage_bug+0xc0/0xc0 [ 245.088204] ? __lock_acquire+0x62f/0x4c20 [ 245.092454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.097997] ? should_fail+0x22d/0xd01 [ 245.101884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.107168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.112272] ? __lock_acquire+0x62f/0x4c20 [ 245.116517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.121620] ? __lock_acquire+0x62f/0x4c20 [ 245.125856] ? should_fail+0x22d/0xd01 [ 245.129742] ? rcu_irq_exit+0x1a2/0x390 [ 245.133744] ? mark_held_locks+0x130/0x130 [ 245.138002] ? mark_held_locks+0x130/0x130 [ 245.142357] ? mark_held_locks+0xc7/0x130 [ 245.146537] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 245.151560] ? zap_class+0x640/0x640 [ 245.155272] ? print_usage_bug+0xc0/0xc0 [ 245.159341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.164911] ? check_preemption_disabled+0x48/0x280 [ 245.169954] ? __lock_is_held+0xb5/0x140 [ 245.174022] __alloc_pages_nodemask+0xa80/0xde0 [ 245.178705] ? zap_class+0x640/0x640 [ 245.182439] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 245.187493] ? find_held_lock+0x36/0x1c0 [ 245.191612] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.196284] ? lock_downgrade+0x900/0x900 [ 245.200452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.205995] cache_grow_begin+0xa5/0x8c0 [ 245.210061] ? do_raw_spin_unlock+0xa7/0x330 [ 245.214481] fallback_alloc+0x204/0x2e0 [ 245.218485] ____cache_alloc_node+0x1c7/0x1e0 [ 245.223002] kmem_cache_alloc_node+0xe3/0x730 [ 245.227504] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.231750] __alloc_skb+0x119/0x770 [ 245.235469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.240778] ? netdev_alloc_frag+0x1f0/0x1f0 [ 245.245209] ? lock_downgrade+0x900/0x900 [ 245.249383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.254930] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.260390] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.265888] ? addrconf_rs_timer+0x690/0x690 [ 245.270309] ndisc_alloc_skb+0x144/0x340 [ 245.274376] ndisc_send_rs+0x331/0x6e0 [ 245.278278] addrconf_rs_timer+0x314/0x690 [ 245.282532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.286778] call_timer_fn+0x272/0x920 [ 245.290663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.294907] ? process_timeout+0x40/0x40 [ 245.299002] ? __run_timers+0x7da/0xc70 [ 245.302976] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.307482] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.311985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.316235] ? lockdep_hardirqs_on+0x296/0x5b0 [ 245.320820] ? trace_hardirqs_on+0xbd/0x310 [ 245.325161] ? kasan_check_read+0x11/0x20 [ 245.329304] ? __run_timers+0x7da/0xc70 [ 245.333324] ? trace_hardirqs_off_caller+0x310/0x310 [ 245.338488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.342726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.346965] __run_timers+0x7e5/0xc70 [ 245.350773] ? timer_fixup_init+0x70/0x70 [ 245.354926] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.359972] ? zap_class+0x640/0x640 [ 245.363690] ? enqueue_hrtimer+0x1a5/0x560 [ 245.367931] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.373128] ? find_held_lock+0x36/0x1c0 [ 245.377197] ? zap_class+0x640/0x640 [ 245.380915] ? pvclock_read_flags+0x160/0x160 [ 245.385433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.390983] ? check_preemption_disabled+0x48/0x280 [ 245.396010] ? __lock_is_held+0xb5/0x140 [ 245.400087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.405642] ? check_preemption_disabled+0x48/0x280 [ 245.410663] run_timer_softirq+0x52/0xb0 [ 245.414728] ? rcu_read_lock_sched_held+0x14f/0x180 [ 245.419751] __do_softirq+0x308/0xb7e [ 245.423554] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 245.428050] ? lock_downgrade+0x900/0x900 [ 245.432205] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 245.437314] ? pvclock_read_flags+0x160/0x160 [ 245.441810] ? lapic_next_event+0x5a/0x90 [ 245.445960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.451505] ? kvm_clock_read+0x18/0x30 [ 245.455500] ? kvm_sched_clock_read+0x9/0x20 [ 245.459913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.465465] ? check_preemption_disabled+0x48/0x280 [ 245.470507] irq_exit+0x17f/0x1c0 [ 245.473962] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.478804] ? smp_reschedule_interrupt+0x109/0x650 [ 245.483823] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.489712] ? interrupt_entry+0xb5/0xc0 [ 245.493776] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.498805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.503836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.508696] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.513760] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.518774] ? task_prio+0x50/0x50 [ 245.522329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.527869] ? check_preemption_disabled+0x48/0x280 [ 245.532910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.537757] apic_timer_interrupt+0xf/0x20 [ 245.541987] [ 245.544224] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 245.550123] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 245.569033] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.576737] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.584019] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 245.591285] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 245.598565] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 245.605833] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 245.613138] ? save_stack+0xa9/0xd0 [ 245.616774] __kmalloc_node_track_caller+0x3c/0x70 [ 245.621710] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 245.626506] pskb_expand_head+0x230/0x10f0 [ 245.630756] ? memcpy+0x45/0x50 [ 245.634054] ? __copy_skb_header+0x350/0x6b0 [ 245.638478] ? skb_release_data+0x880/0x880 [ 245.642800] ? __alloc_skb+0x770/0x770 [ 245.646698] ? __lock_is_held+0xb5/0x140 [ 245.650768] ? kasan_check_write+0x14/0x20 [ 245.655014] ? __skb_clone+0x6c7/0xa00 [ 245.658955] ? __copy_skb_header+0x6b0/0x6b0 [ 245.663361] ? kmem_cache_alloc+0x33a/0x730 [ 245.667695] skb_ensure_writable+0x3dd/0x640 [ 245.672116] ? skb_checksum_setup+0xaa0/0xaa0 [ 245.676611] ? check_preemption_disabled+0x48/0x280 [ 245.681635] ? __this_cpu_preempt_check+0x1c/0x20 [ 245.686478] ? __bpf_redirect+0x54b/0xb20 [ 245.690639] bpf_clone_redirect+0x14a/0x490 [ 245.694979] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 245.700001] ? __sched_text_start+0x8/0x8 [ 245.704170] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 245.708767] ? retint_kernel+0x2d/0x2d [ 245.712657] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.717607] ? find_held_lock+0x36/0x1c0 [ 245.721680] ? lock_acquire+0x1ed/0x520 [ 245.725698] ? bpf_test_run+0x3cb/0x780 [ 245.729675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.735216] ? check_preemption_disabled+0x48/0x280 [ 245.740266] ? kasan_check_read+0x11/0x20 [ 245.744419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.749701] ? rcu_softirq_qs+0x20/0x20 [ 245.753679] ? preempt_schedule+0x4d/0x60 [ 245.757828] ? ___preempt_schedule+0x16/0x18 [ 245.762272] ? bpf_test_run+0x25d/0x780 [ 245.766263] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.770685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.776235] ? bpf_test_init.isra.10+0x70/0x100 [ 245.780931] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 245.785698] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 245.790563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.796099] ? fput+0x130/0x1a0 [ 245.799396] ? __bpf_prog_get+0x9b/0x290 [ 245.803479] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 245.808322] ? bpf_prog_test_run+0x130/0x1a0 [ 245.812737] ? __x64_sys_bpf+0x3d8/0x520 [ 245.816803] ? bpf_prog_get+0x20/0x20 [ 245.820622] ? do_syscall_64+0x1b9/0x820 [ 245.824693] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.830056] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.834991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.839862] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.844921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.849940] ? prepare_exit_to_usermode+0x291/0x3b0 [ 245.854962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.859810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.865197] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 245.865203] warn_alloc_show_mem: 1 callbacks suppressed [ 245.865209] Mem-Info: [ 245.872528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.877924] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 245.877924] active_file:12 inactive_file:13 isolated_file:0 [ 245.877924] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.877924] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 245.877924] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 245.877924] free:13733 free_pcp:586 free_cma:0 [ 245.880299] Call Trace: [ 245.889700] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 245.922567] [ 245.925141] 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 [ 245.952571] dump_stack+0x244/0x39d [ 245.954725] lowmem_reserve[]: 0 2818 6321 6321 [ 245.980833] ? dump_stack_print_info.cold.1+0x20/0x20 [ 245.984450] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 245.989046] warn_alloc.cold.116+0xb7/0x1bd [ 245.994203] lowmem_reserve[]: 0 0 3503 3503 [ 246.021799] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.026117] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 246.030450] ? lock_downgrade+0x900/0x900 [ 246.035270] lowmem_reserve[]: 0 0 0 0 [ 246.064251] ? trace_hardirqs_off+0xb8/0x310 [ 246.068373] 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 [ 246.072173] ? trace_hardirqs_off+0xb8/0x310 [ 246.076568] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 246.090095] __alloc_pages_slowpath+0x26e8/0x2e10 [ 246.094479] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 246.109847] ? warn_alloc+0x120/0x120 [ 246.114650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.128513] ? print_usage_bug+0xc0/0xc0 [ 246.132293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.141115] ? warn_alloc+0x120/0x120 [ 246.145159] 269 total pagecache pages [ 246.153733] ? warn_alloc+0x120/0x120 [ 246.157528] 0 pages in swap cache [ 246.161318] ? print_usage_bug+0xc0/0xc0 [ 246.165096] Swap cache stats: add 0, delete 0, find 0/0 [ 246.168540] ? print_usage_bug+0xc0/0xc0 [ 246.172577] Free swap = 0kB [ 246.177941] ? __lock_acquire+0x62f/0x4c20 [ 246.181969] Total swap = 0kB [ 246.181977] 1965979 pages RAM [ 246.185006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.189217] 0 pages HighMem/MovableOnly [ 246.192229] ? should_fail+0x22d/0xd01 [ 246.195318] 342853 pages reserved [ 246.200865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.204814] 0 pages cma reserved [ 246.208696] ? __lock_acquire+0x62f/0x4c20 [ 246.212238] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.217222] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.217235] ? __lock_acquire+0x62f/0x4c20 [ 246.217253] ? should_fail+0x22d/0xd01 [ 246.220665] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.224839] ? find_held_lock+0x36/0x1c0 [ 246.231307] syz-executor0 cpuset=syz0 mems_allowed=0 [ 246.236415] ? mark_held_locks+0x130/0x130 [ 246.268344] ? mark_held_locks+0x130/0x130 [ 246.272579] ? zap_class+0x640/0x640 [ 246.276293] ? zap_class+0x640/0x640 [ 246.280014] ? print_usage_bug+0xc0/0xc0 [ 246.284078] ? do_raw_spin_unlock+0xa7/0x330 [ 246.288490] ? zap_class+0x640/0x640 [ 246.292206] ? print_usage_bug+0xc0/0xc0 [ 246.296271] ? wq_watchdog_touch+0x9c/0xfe [ 246.300512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.306054] ? check_preemption_disabled+0x48/0x280 [ 246.311112] ? __lock_is_held+0xb5/0x140 [ 246.315183] __alloc_pages_nodemask+0xa80/0xde0 [ 246.319858] ? zap_class+0x640/0x640 [ 246.323595] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 246.328628] ? find_held_lock+0x36/0x1c0 [ 246.332702] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.337376] ? lock_downgrade+0x900/0x900 [ 246.341542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.347099] cache_grow_begin+0xa5/0x8c0 [ 246.351174] ? do_raw_spin_unlock+0xa7/0x330 [ 246.355596] fallback_alloc+0x204/0x2e0 [ 246.359583] ____cache_alloc_node+0x1c7/0x1e0 [ 246.364085] kmem_cache_alloc_node+0xe3/0x730 [ 246.368581] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.372839] __alloc_skb+0x119/0x770 [ 246.376570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.381854] ? netdev_alloc_frag+0x1f0/0x1f0 [ 246.386293] ? lock_downgrade+0x900/0x900 [ 246.390453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.395993] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.401451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.406917] ? addrconf_rs_timer+0x690/0x690 [ 246.411356] ndisc_alloc_skb+0x144/0x340 [ 246.415434] ndisc_send_rs+0x331/0x6e0 [ 246.419339] addrconf_rs_timer+0x314/0x690 [ 246.423607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.427858] call_timer_fn+0x272/0x920 [ 246.431753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.435991] ? process_timeout+0x40/0x40 [ 246.440058] ? mark_held_locks+0xc7/0x130 [ 246.444208] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.448707] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.453204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.457445] ? lockdep_hardirqs_on+0x296/0x5b0 [ 246.462033] ? trace_hardirqs_on+0xbd/0x310 [ 246.466363] ? kasan_check_read+0x11/0x20 [ 246.470512] ? __run_timers+0x7da/0xc70 [ 246.474489] ? trace_hardirqs_off_caller+0x310/0x310 [ 246.479601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.483888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.488148] __run_timers+0x7e5/0xc70 [ 246.491972] ? timer_fixup_init+0x70/0x70 [ 246.496121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.501136] ? zap_class+0x640/0x640 [ 246.504858] ? print_usage_bug+0xc0/0xc0 [ 246.508920] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.514127] ? find_held_lock+0x36/0x1c0 [ 246.518192] ? zap_class+0x640/0x640 [ 246.521912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.527457] ? check_preemption_disabled+0x48/0x280 [ 246.532482] ? __lock_is_held+0xb5/0x140 [ 246.536548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.542117] ? check_preemption_disabled+0x48/0x280 [ 246.547141] run_timer_softirq+0x52/0xb0 [ 246.551201] ? rcu_read_lock_sched_held+0x14f/0x180 [ 246.556234] __do_softirq+0x308/0xb7e [ 246.560054] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 246.564551] ? lock_downgrade+0x900/0x900 [ 246.568705] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 246.573818] ? pvclock_read_flags+0x160/0x160 [ 246.578318] ? lapic_next_event+0x5a/0x90 [ 246.582673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.588217] ? kvm_clock_read+0x18/0x30 [ 246.592237] ? kvm_sched_clock_read+0x9/0x20 [ 246.596652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.602190] ? check_preemption_disabled+0x48/0x280 [ 246.607216] irq_exit+0x17f/0x1c0 [ 246.610669] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.615508] ? smp_reschedule_interrupt+0x109/0x650 [ 246.620525] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.626430] ? interrupt_entry+0xb5/0xc0 [ 246.630497] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.635524] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.640544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.645390] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.650442] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.655503] ? task_prio+0x50/0x50 [ 246.659046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.664587] ? check_preemption_disabled+0x48/0x280 [ 246.669625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.674493] apic_timer_interrupt+0xf/0x20 [ 246.678733] [ 246.680971] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 246.686160] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 246.705059] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.712767] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 246.720562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 246.727831] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 246.735100] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 246.742368] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 246.749674] retint_kernel+0x1b/0x2d [ 246.753392] RIP: 0010:dump_stack+0x358/0x39d [ 246.757810] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 246.776724] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 246.784432] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 246.791704] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 246.798972] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 246.806256] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 246.813536] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 246.820825] ? dump_stack+0x34f/0x39d [ 246.824642] ? dump_stack_print_info.cold.1+0x20/0x20 [ 246.829862] dump_header+0x27b/0xf72 [ 246.833600] ? mark_held_locks+0x130/0x130 [ 246.837859] ? pagefault_out_of_memory+0x197/0x197 [ 246.842796] ? __lock_acquire+0x62f/0x4c20 [ 246.847048] ? zap_class+0x640/0x640 [ 246.850770] ? percpu_ref_get_many+0x240/0x240 [ 246.855355] ? print_usage_bug+0xc0/0xc0 [ 246.859427] ? print_usage_bug+0xc0/0xc0 [ 246.863502] ? zap_class+0x640/0x640 [ 246.867222] ? print_usage_bug+0xc0/0xc0 [ 246.871284] ? print_usage_bug+0xc0/0xc0 [ 246.875356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.880949] ? find_held_lock+0x36/0x1c0 [ 246.885037] ? mark_held_locks+0xc7/0x130 [ 246.889193] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.894304] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.899420] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 246.904019] ? trace_hardirqs_on+0xbd/0x310 [ 246.908340] ? kasan_check_read+0x11/0x20 [ 246.912491] ? ___ratelimit+0x3b4/0x672 [ 246.916472] ? trace_hardirqs_off_caller+0x310/0x310 [ 246.921579] ? trace_hardirqs_on+0x310/0x310 [ 246.925987] ? lock_downgrade+0x900/0x900 [ 246.930141] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.935248] ? ___ratelimit+0x3b9/0x672 [ 246.939226] ? idr_get_free+0xf70/0xf70 [ 246.943200] ? find_held_lock+0x36/0x1c0 [ 246.947283] oom_kill_process.cold.27+0x10/0x903 [ 246.952062] ? zap_class+0x640/0x640 [ 246.955793] ? check_preemption_disabled+0x48/0x280 [ 246.960819] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 246.965754] ? kasan_check_read+0x11/0x20 [ 246.969906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.975189] ? oom_evaluate_task+0x540/0x540 [ 246.979624] ? find_held_lock+0x36/0x1c0 [ 246.983696] ? out_of_memory+0x974/0x1430 [ 246.987862] ? lock_downgrade+0x900/0x900 [ 246.992009] ? check_preemption_disabled+0x48/0x280 [ 246.997032] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 247.001970] ? kasan_check_read+0x11/0x20 [ 247.006133] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.011457] ? rcu_softirq_qs+0x20/0x20 [ 247.015457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.021107] ? oom_evaluate_task+0x302/0x540 [ 247.025550] out_of_memory+0xa84/0x1430 [ 247.029563] ? oom_killer_disable+0x3a0/0x3a0 [ 247.034061] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 247.039001] ? __ww_mutex_check_waiters+0x160/0x160 [ 247.044030] __alloc_pages_slowpath+0x2354/0x2e10 [ 247.048906] ? warn_alloc+0x120/0x120 [ 247.052717] ? warn_alloc+0x120/0x120 [ 247.056544] ? warn_alloc+0x120/0x120 [ 247.060362] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 247.065489] ? print_usage_bug+0xc0/0xc0 [ 247.069569] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.074154] ? print_usage_bug+0xc0/0xc0 [ 247.078218] ? print_usage_bug+0xc0/0xc0 [ 247.082310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.087863] ? should_fail+0x22d/0xd01 [ 247.091755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.096861] ? zap_class+0x640/0x640 [ 247.100600] ? __lock_is_held+0xb5/0x140 [ 247.104682] ? zap_class+0x640/0x640 [ 247.108427] ? lock_release+0xa00/0xa00 [ 247.112413] ? perf_trace_sched_process_exec+0x860/0x860 [ 247.117882] ? check_preemption_disabled+0x48/0x280 [ 247.122920] ? __might_sleep+0x95/0x190 [ 247.126905] __alloc_pages_nodemask+0xa80/0xde0 [ 247.131596] ? zap_class+0x640/0x640 [ 247.135353] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 247.140384] ? mark_held_locks+0xc7/0x130 [ 247.144559] ? cache_grow_begin+0x65/0x8c0 [ 247.148798] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.153386] ? trace_hardirqs_on+0xbd/0x310 [ 247.157720] ? fallback_alloc+0x204/0x2e0 [ 247.161888] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.166999] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.172546] cache_grow_begin+0xa5/0x8c0 [ 247.176618] ? do_raw_spin_unlock+0xa7/0x330 [ 247.181050] fallback_alloc+0x204/0x2e0 [ 247.185049] ____cache_alloc_node+0x1c7/0x1e0 [ 247.189561] kmem_cache_alloc_node+0xe3/0x730 [ 247.194087] __alloc_skb+0x119/0x770 [ 247.197819] ? netdev_alloc_frag+0x1f0/0x1f0 [ 247.202231] ? if_nlmsg_size+0x5d1/0xbb0 [ 247.206300] ? rtnetlink_put_metrics+0x690/0x690 [ 247.211084] ? sk_psock_stop_strp+0x120/0x120 [ 247.215599] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.220620] ? netif_tx_stop_all_queues+0xd9/0x110 [ 247.225570] rtmsg_ifinfo_build_skb+0x74/0x190 [ 247.230162] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 247.235011] rtmsg_ifinfo+0x8c/0xa0 [ 247.238646] dev_close_many+0x3be/0x860 [ 247.242639] ? dev_fill_metadata_dst+0x840/0x840 [ 247.247401] ? find_held_lock+0x36/0x1c0 [ 247.251481] ? __queue_work+0x671/0x1440 [ 247.255547] ? lock_downgrade+0x900/0x900 [ 247.259702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.265243] ? rtnl_is_locked+0xb5/0xf0 [ 247.269216] ? rtnl_trylock+0x20/0x20 [ 247.273014] ? do_raw_spin_unlock+0xa7/0x330 [ 247.277444] ? do_raw_spin_trylock+0x270/0x270 [ 247.282044] rollback_registered_many+0x543/0x1250 [ 247.286982] ? generic_xdp_install+0x5a0/0x5a0 [ 247.291568] ? flush_rcu_work+0x90/0x90 [ 247.295548] ? zap_class+0x640/0x640 [ 247.299278] ? print_usage_bug+0xc0/0xc0 [ 247.303339] ? print_usage_bug+0xc0/0xc0 [ 247.307413] ? zap_class+0x640/0x640 [ 247.311129] ? print_usage_bug+0xc0/0xc0 [ 247.315224] ? find_held_lock+0x36/0x1c0 [ 247.319312] ? mark_held_locks+0xc7/0x130 [ 247.323476] rollback_registered+0x1e9/0x420 [ 247.327881] ? lockdep_hardirqs_on+0x321/0x5b0 [ 247.332460] ? rollback_registered_many+0x1250/0x1250 [ 247.337644] ? trace_hardirqs_on+0xbd/0x310 [ 247.341967] ? linkwatch_schedule_work+0x150/0x170 [ 247.346896] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.352004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.357549] ? rtnl_is_locked+0xb5/0xf0 [ 247.361521] ? rtnl_trylock+0x20/0x20 [ 247.365350] ? queue_delayed_work_on+0x130/0x1f0 [ 247.370111] unregister_netdevice_queue+0x321/0x5e0 [ 247.375160] ? rollback_registered+0x420/0x420 [ 247.379756] ? linkwatch_schedule_work+0x170/0x170 [ 247.384704] ? tun_setup+0x2d0/0x2d0 [ 247.388427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.393973] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 247.399336] ? __tun_detach+0x6ba/0x15c0 [ 247.403411] __tun_detach+0x11b8/0x15c0 [ 247.407421] ? __call_rcu.constprop.55+0x3ea/0x950 [ 247.412364] ? __call_rcu.constprop.55+0x3ea/0x950 [ 247.417300] ? tun_attach+0x1900/0x1900 [ 247.421280] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.426385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.431939] ? check_preemption_disabled+0x48/0x280 [ 247.436962] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.441554] ? zap_class+0x640/0x640 [ 247.445268] ? fsnotify+0x4e5/0xf20 [ 247.448898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.454456] ? locks_remove_file+0x3c6/0x5c0 [ 247.458882] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 247.464424] ? ima_file_free+0x132/0x650 [ 247.468505] ? __lock_is_held+0xb5/0x140 [ 247.472580] ? __tun_detach+0x15c0/0x15c0 [ 247.476738] ? __tun_detach+0x15c0/0x15c0 [ 247.480885] tun_chr_close+0xe3/0x180 [ 247.484689] __fput+0x385/0xa30 [ 247.487989] ? get_max_files+0x20/0x20 [ 247.491890] ? perf_trace_sched_process_exec+0x860/0x860 [ 247.497349] ____fput+0x15/0x20 [ 247.500633] task_work_run+0x1e8/0x2a0 [ 247.504528] ? task_work_cancel+0x240/0x240 [ 247.508856] ? switch_task_namespaces+0xb8/0xd0 [ 247.513533] do_exit+0x1ad6/0x26d0 [ 247.517087] ? mm_update_next_owner+0x990/0x990 [ 247.521762] ? print_usage_bug+0xc0/0xc0 [ 247.525826] ? find_held_lock+0x36/0x1c0 [ 247.529901] ? mark_held_locks+0x130/0x130 [ 247.534148] ? __lock_acquire+0x62f/0x4c20 [ 247.538381] ? pipe_wait+0x266/0x2c0 [ 247.542124] ? lock_release+0xa00/0xa00 [ 247.546121] ? mark_held_locks+0x130/0x130 [ 247.550367] ? __mutex_lock+0x85e/0x16f0 [ 247.554447] ? __switch_to_asm+0x40/0x70 [ 247.558513] ? pipe_wait+0x266/0x2c0 [ 247.562223] ? __switch_to_asm+0x34/0x70 [ 247.566279] ? __switch_to_asm+0x40/0x70 [ 247.570343] ? mutex_trylock+0x2b0/0x2b0 [ 247.574412] ? zap_class+0x640/0x640 [ 247.578144] ? zap_class+0x640/0x640 [ 247.581854] ? find_held_lock+0x36/0x1c0 [ 247.585944] ? memset+0x31/0x40 [ 247.589247] ? find_held_lock+0x36/0x1c0 [ 247.593322] ? get_signal+0x95b/0x1980 [ 247.597219] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.601743] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.606241] do_group_exit+0x177/0x440 [ 247.610151] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.615283] ? __ia32_sys_exit+0x50/0x50 [ 247.619363] get_signal+0x8b0/0x1980 [ 247.623090] ? ptrace_notify+0x130/0x130 [ 247.627165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.632709] ? pipe_read+0x702/0x940 [ 247.636505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.642064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.647612] ? __vfs_read+0x11f/0x9b0 [ 247.651428] do_signal+0x9c/0x21c0 [ 247.654972] ? fsnotify+0xf20/0xf20 [ 247.658640] ? setup_sigcontext+0x7d0/0x7d0 [ 247.662985] ? exit_to_usermode_loop+0x8c/0x380 [ 247.667660] ? exit_to_usermode_loop+0x8c/0x380 [ 247.672337] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.676957] ? trace_hardirqs_on+0xbd/0x310 [ 247.681293] ? do_syscall_64+0x6be/0x820 [ 247.685371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.690920] exit_to_usermode_loop+0x2e5/0x380 [ 247.695516] ? __bpf_trace_sys_exit+0x30/0x30 [ 247.700043] do_syscall_64+0x6be/0x820 [ 247.703939] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.709311] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.714246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.719108] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.724162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.729187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.734039] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.739232] RIP: 0033:0x410fa0 [ 247.742448] Code: Bad RIP value. [ 247.745813] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 247.753557] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 247.760850] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 247.768165] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 247.775462] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 247.782738] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 247.790048] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 247.790118] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.797435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.797440] Call Trace: [ 247.797447] [ 247.797470] dump_stack+0x244/0x39d [ 247.797488] ? dump_stack_print_info.cold.1+0x20/0x20 [ 247.804086] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.813346] warn_alloc.cold.116+0xb7/0x1bd [ 247.815922] syz-executor5 cpuset=syz5 mems_allowed=0 [ 247.818068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.851594] ? lock_downgrade+0x900/0x900 [ 247.855768] ? trace_hardirqs_off+0xb8/0x310 [ 247.860187] ? trace_hardirqs_off+0xb8/0x310 [ 247.864608] __alloc_pages_slowpath+0x26e8/0x2e10 [ 247.869501] ? warn_alloc+0x120/0x120 [ 247.873305] ? print_usage_bug+0xc0/0xc0 [ 247.877377] ? warn_alloc+0x120/0x120 [ 247.881193] ? warn_alloc+0x120/0x120 [ 247.884997] ? print_usage_bug+0xc0/0xc0 [ 247.889063] ? print_usage_bug+0xc0/0xc0 [ 247.893131] ? __lock_acquire+0x62f/0x4c20 [ 247.897423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.902985] ? should_fail+0x22d/0xd01 [ 247.906899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.912010] ? __lock_acquire+0x62f/0x4c20 [ 247.916254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.921364] ? __lock_acquire+0x62f/0x4c20 [ 247.925640] ? should_fail+0x22d/0xd01 [ 247.929553] ? find_held_lock+0x36/0x1c0 [ 247.933635] ? mark_held_locks+0x130/0x130 [ 247.937906] ? mark_held_locks+0x130/0x130 [ 247.942147] ? zap_class+0x640/0x640 [ 247.945864] ? zap_class+0x640/0x640 [ 247.949586] ? print_usage_bug+0xc0/0xc0 [ 247.953652] ? do_raw_spin_unlock+0xa7/0x330 [ 247.958065] ? zap_class+0x640/0x640 [ 247.961785] ? print_usage_bug+0xc0/0xc0 [ 247.965853] ? wq_watchdog_touch+0x9c/0xfe [ 247.970100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.975651] ? check_preemption_disabled+0x48/0x280 [ 247.980685] ? __lock_is_held+0xb5/0x140 [ 247.984779] __alloc_pages_nodemask+0xa80/0xde0 [ 247.989459] ? zap_class+0x640/0x640 [ 247.993189] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 247.998231] ? find_held_lock+0x36/0x1c0 [ 248.002334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.007012] ? lock_downgrade+0x900/0x900 [ 248.011179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.016733] cache_grow_begin+0xa5/0x8c0 [ 248.020800] ? do_raw_spin_unlock+0xa7/0x330 [ 248.025224] fallback_alloc+0x204/0x2e0 [ 248.029223] ____cache_alloc_node+0x1c7/0x1e0 [ 248.033759] kmem_cache_alloc_node+0xe3/0x730 [ 248.038263] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.042522] __alloc_skb+0x119/0x770 [ 248.046239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.051532] ? netdev_alloc_frag+0x1f0/0x1f0 [ 248.055953] ? lock_downgrade+0x900/0x900 [ 248.060134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.065710] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.071177] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.076654] ? addrconf_rs_timer+0x690/0x690 [ 248.081085] ndisc_alloc_skb+0x144/0x340 [ 248.085167] ndisc_send_rs+0x331/0x6e0 [ 248.089071] addrconf_rs_timer+0x314/0x690 [ 248.093332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.097592] call_timer_fn+0x272/0x920 [ 248.101520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.105764] ? process_timeout+0x40/0x40 [ 248.109844] ? __run_timers+0x7da/0xc70 [ 248.113828] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.118331] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.122837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.127082] ? lockdep_hardirqs_on+0x296/0x5b0 [ 248.131680] ? trace_hardirqs_on+0xbd/0x310 [ 248.136034] ? kasan_check_read+0x11/0x20 [ 248.140193] ? __run_timers+0x7da/0xc70 [ 248.144180] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.149301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.153563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.157838] __run_timers+0x7e5/0xc70 [ 248.161690] ? timer_fixup_init+0x70/0x70 [ 248.165859] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.170888] ? zap_class+0x640/0x640 [ 248.174626] ? enqueue_hrtimer+0x1a5/0x560 [ 248.178874] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.184083] ? find_held_lock+0x36/0x1c0 [ 248.188158] ? zap_class+0x640/0x640 [ 248.191900] ? pvclock_read_flags+0x160/0x160 [ 248.196418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.201990] ? check_preemption_disabled+0x48/0x280 [ 248.207032] ? __lock_is_held+0xb5/0x140 [ 248.211106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.216671] ? check_preemption_disabled+0x48/0x280 [ 248.221713] run_timer_softirq+0x52/0xb0 [ 248.225788] ? rcu_read_lock_sched_held+0x14f/0x180 [ 248.230814] __do_softirq+0x308/0xb7e [ 248.234644] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 248.239145] ? lock_downgrade+0x900/0x900 [ 248.243305] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 248.248436] ? pvclock_read_flags+0x160/0x160 [ 248.252953] ? lapic_next_event+0x5a/0x90 [ 248.257116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.262685] ? kvm_clock_read+0x18/0x30 [ 248.266665] ? kvm_sched_clock_read+0x9/0x20 [ 248.271087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.276633] ? check_preemption_disabled+0x48/0x280 [ 248.281666] irq_exit+0x17f/0x1c0 [ 248.285131] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.289981] ? smp_reschedule_interrupt+0x109/0x650 [ 248.295006] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.300911] ? interrupt_entry+0xb5/0xc0 [ 248.304981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.309997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.315017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.319888] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.324952] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.329976] ? task_prio+0x50/0x50 [ 248.333543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.339093] ? check_preemption_disabled+0x48/0x280 [ 248.344120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.348990] apic_timer_interrupt+0xf/0x20 [ 248.353239] [ 248.355484] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 248.361377] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 248.380296] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.388024] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 248.395309] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 248.402588] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 248.409868] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 248.417148] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 248.424493] ? save_stack+0xa9/0xd0 [ 248.428139] __kmalloc_node_track_caller+0x3c/0x70 [ 248.433088] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 248.437852] pskb_expand_head+0x230/0x10f0 [ 248.442100] ? memcpy+0x45/0x50 [ 248.445396] ? __copy_skb_header+0x350/0x6b0 [ 248.449837] ? skb_release_data+0x880/0x880 [ 248.454167] ? __alloc_skb+0x770/0x770 [ 248.458071] ? __lock_is_held+0xb5/0x140 [ 248.462173] ? kasan_check_write+0x14/0x20 [ 248.466442] ? __skb_clone+0x6c7/0xa00 [ 248.470339] ? __copy_skb_header+0x6b0/0x6b0 [ 248.474756] ? kmem_cache_alloc+0x33a/0x730 [ 248.479104] skb_ensure_writable+0x3dd/0x640 [ 248.483542] ? skb_checksum_setup+0xaa0/0xaa0 [ 248.488049] ? check_preemption_disabled+0x48/0x280 [ 248.493082] ? __this_cpu_preempt_check+0x1c/0x20 [ 248.497936] ? __bpf_redirect+0x54b/0xb20 [ 248.502099] bpf_clone_redirect+0x14a/0x490 [ 248.506465] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 248.511499] ? __sched_text_start+0x8/0x8 [ 248.515674] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 248.520262] ? retint_kernel+0x2d/0x2d [ 248.524170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.529112] ? find_held_lock+0x36/0x1c0 [ 248.533194] ? lock_acquire+0x1ed/0x520 [ 248.537234] ? bpf_test_run+0x3cb/0x780 [ 248.541215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.546760] ? check_preemption_disabled+0x48/0x280 [ 248.551794] ? kasan_check_read+0x11/0x20 [ 248.555961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.561244] ? rcu_softirq_qs+0x20/0x20 [ 248.565251] ? preempt_schedule+0x4d/0x60 [ 248.569417] ? ___preempt_schedule+0x16/0x18 [ 248.573846] ? bpf_test_run+0x25d/0x780 [ 248.577848] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.582755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.588304] ? bpf_test_init.isra.10+0x70/0x100 [ 248.592994] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 248.597766] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 248.602609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.608148] ? fput+0x130/0x1a0 [ 248.611439] ? __bpf_prog_get+0x9b/0x290 [ 248.615505] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 248.620365] ? bpf_prog_test_run+0x130/0x1a0 [ 248.624781] ? __x64_sys_bpf+0x3d8/0x520 [ 248.628845] ? bpf_prog_get+0x20/0x20 [ 248.632666] ? do_syscall_64+0x1b9/0x820 [ 248.636733] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.642100] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.647033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.651895] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.656915] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.661934] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.666977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.671829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.677220] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 248.677225] warn_alloc_show_mem: 1 callbacks suppressed [ 248.677232] Mem-Info: [ 248.684507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.689891] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 248.689891] active_file:12 inactive_file:13 isolated_file:0 [ 248.689891] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.689891] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 248.689891] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 248.689891] free:13733 free_pcp:586 free_cma:0 [ 248.692267] Call Trace: [ 248.701668] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.735010] [ 248.737588] 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 [ 248.765000] dump_stack+0x244/0x39d [ 248.767117] lowmem_reserve[]: 0 2818 6321 6321 [ 248.793247] ? dump_stack_print_info.cold.1+0x20/0x20 [ 248.796861] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 248.801455] warn_alloc.cold.116+0xb7/0x1bd [ 248.806616] lowmem_reserve[]: 0 0 3503 3503 [ 248.834222] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.838518] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 248.842833] ? lock_downgrade+0x900/0x900 [ 248.847650] lowmem_reserve[]: 0 0 0 0 [ 248.876624] ? trace_hardirqs_off+0xb8/0x310 [ 248.880740] 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 [ 248.884549] ? trace_hardirqs_off+0xb8/0x310 [ 248.888946] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 248.902467] __alloc_pages_slowpath+0x26e8/0x2e10 [ 248.906842] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 248.922213] ? warn_alloc+0x120/0x120 [ 248.927015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.940887] ? print_usage_bug+0xc0/0xc0 [ 248.944673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.953541] ? warn_alloc+0x120/0x120 [ 248.957583] 269 total pagecache pages [ 248.966155] ? warn_alloc+0x120/0x120 [ 248.969948] 0 pages in swap cache [ 248.973769] ? print_usage_bug+0xc0/0xc0 [ 248.977560] Swap cache stats: add 0, delete 0, find 0/0 [ 248.981004] ? kvm_clock_read+0x18/0x30 [ 248.985039] Free swap = 0kB [ 248.990396] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.994351] Total swap = 0kB [ 248.997366] ? print_usage_bug+0xc0/0xc0 [ 249.002368] 1965979 pages RAM [ 249.005384] ? __lock_acquire+0x62f/0x4c20 [ 249.009425] 0 pages HighMem/MovableOnly [ 249.012539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.016749] 342853 pages reserved [ 249.020719] ? should_fail+0x22d/0xd01 [ 249.026235] 0 pages cma reserved [ 249.029697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.033646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.036939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.042245] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.048697] ? __lock_acquire+0x62f/0x4c20 [ 249.053788] syz-executor0 cpuset=syz0 mems_allowed=0 [ 249.064272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.078671] ? __lock_acquire+0x62f/0x4c20 [ 249.082908] ? should_fail+0x22d/0xd01 [ 249.086801] ? rcu_irq_exit+0x1a2/0x390 [ 249.090787] ? mark_held_locks+0x130/0x130 [ 249.095027] ? mark_held_locks+0x130/0x130 [ 249.099269] ? mark_held_locks+0xc7/0x130 [ 249.103425] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 249.108462] ? zap_class+0x640/0x640 [ 249.112182] ? print_usage_bug+0xc0/0xc0 [ 249.116249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.121790] ? check_preemption_disabled+0x48/0x280 [ 249.126819] ? __lock_is_held+0xb5/0x140 [ 249.130890] __alloc_pages_nodemask+0xa80/0xde0 [ 249.135565] ? zap_class+0x640/0x640 [ 249.139286] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 249.144317] ? find_held_lock+0x36/0x1c0 [ 249.148392] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.153072] ? lock_downgrade+0x900/0x900 [ 249.157232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.162776] cache_grow_begin+0xa5/0x8c0 [ 249.166840] ? do_raw_spin_unlock+0xa7/0x330 [ 249.171260] fallback_alloc+0x204/0x2e0 [ 249.175248] ____cache_alloc_node+0x1c7/0x1e0 [ 249.179749] kmem_cache_alloc_node+0xe3/0x730 [ 249.184248] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.188497] __alloc_skb+0x119/0x770 [ 249.192211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.197495] ? netdev_alloc_frag+0x1f0/0x1f0 [ 249.201916] ? lock_downgrade+0x900/0x900 [ 249.206084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.211624] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.217081] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.222534] ? addrconf_rs_timer+0x690/0x690 [ 249.226962] ndisc_alloc_skb+0x144/0x340 [ 249.231034] ndisc_send_rs+0x331/0x6e0 [ 249.234933] addrconf_rs_timer+0x314/0x690 [ 249.239175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.243440] call_timer_fn+0x272/0x920 [ 249.247329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.251564] ? process_timeout+0x40/0x40 [ 249.255642] ? mark_held_locks+0xc7/0x130 [ 249.259792] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.264287] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.268785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.273024] ? lockdep_hardirqs_on+0x296/0x5b0 [ 249.277611] ? trace_hardirqs_on+0xbd/0x310 [ 249.281938] ? kasan_check_read+0x11/0x20 [ 249.286088] ? __run_timers+0x7da/0xc70 [ 249.290068] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.295180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.299428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.303665] __run_timers+0x7e5/0xc70 [ 249.307480] ? timer_fixup_init+0x70/0x70 [ 249.311634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.316653] ? zap_class+0x640/0x640 [ 249.320372] ? print_usage_bug+0xc0/0xc0 [ 249.324447] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.329649] ? find_held_lock+0x36/0x1c0 [ 249.333716] ? zap_class+0x640/0x640 [ 249.337443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.342987] ? check_preemption_disabled+0x48/0x280 [ 249.348014] ? __lock_is_held+0xb5/0x140 [ 249.352096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.357648] ? check_preemption_disabled+0x48/0x280 [ 249.362670] run_timer_softirq+0x52/0xb0 [ 249.366732] ? rcu_read_lock_sched_held+0x14f/0x180 [ 249.371750] __do_softirq+0x308/0xb7e [ 249.375559] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 249.380053] ? lock_downgrade+0x900/0x900 [ 249.384220] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 249.389331] ? pvclock_read_flags+0x160/0x160 [ 249.393829] ? lapic_next_event+0x5a/0x90 [ 249.397977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.403524] ? kvm_clock_read+0x18/0x30 [ 249.407499] ? kvm_sched_clock_read+0x9/0x20 [ 249.411910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.417481] ? check_preemption_disabled+0x48/0x280 [ 249.422541] irq_exit+0x17f/0x1c0 [ 249.425993] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.430835] ? smp_reschedule_interrupt+0x109/0x650 [ 249.435852] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.441736] ? interrupt_entry+0xb5/0xc0 [ 249.445801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.450834] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.455852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.460744] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.465775] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.470796] ? task_prio+0x50/0x50 [ 249.474339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.479894] ? check_preemption_disabled+0x48/0x280 [ 249.484942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.489798] apic_timer_interrupt+0xf/0x20 [ 249.494028] [ 249.496267] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 249.501499] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 249.520491] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 249.528212] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 249.535479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 249.542748] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 249.550019] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 249.557288] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 249.564586] retint_kernel+0x1b/0x2d [ 249.568301] RIP: 0010:dump_stack+0x358/0x39d [ 249.572708] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 249.591638] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 249.599346] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 249.606616] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 249.613884] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 249.621150] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 249.628423] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 249.635721] ? dump_stack+0x34f/0x39d [ 249.639531] ? dump_stack_print_info.cold.1+0x20/0x20 [ 249.644734] dump_header+0x27b/0xf72 [ 249.648512] ? mark_held_locks+0x130/0x130 [ 249.652751] ? pagefault_out_of_memory+0x197/0x197 [ 249.657690] ? __lock_acquire+0x62f/0x4c20 [ 249.661922] ? zap_class+0x640/0x640 [ 249.665644] ? percpu_ref_get_many+0x240/0x240 [ 249.670228] ? print_usage_bug+0xc0/0xc0 [ 249.674325] ? print_usage_bug+0xc0/0xc0 [ 249.678396] ? zap_class+0x640/0x640 [ 249.682120] ? print_usage_bug+0xc0/0xc0 [ 249.686244] ? print_usage_bug+0xc0/0xc0 [ 249.690337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.695892] ? find_held_lock+0x36/0x1c0 [ 249.699970] ? mark_held_locks+0xc7/0x130 [ 249.704141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.709248] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.714354] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 249.718946] ? trace_hardirqs_on+0xbd/0x310 [ 249.723271] ? kasan_check_read+0x11/0x20 [ 249.727425] ? ___ratelimit+0x3b4/0x672 [ 249.731413] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.736527] ? trace_hardirqs_on+0x310/0x310 [ 249.740954] ? lock_downgrade+0x900/0x900 [ 249.745111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.750216] ? ___ratelimit+0x3b9/0x672 [ 249.754197] ? idr_get_free+0xf70/0xf70 [ 249.758174] ? find_held_lock+0x36/0x1c0 [ 249.762264] oom_kill_process.cold.27+0x10/0x903 [ 249.767038] ? zap_class+0x640/0x640 [ 249.770754] ? check_preemption_disabled+0x48/0x280 [ 249.775785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 249.780731] ? kasan_check_read+0x11/0x20 [ 249.784878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.790156] ? oom_evaluate_task+0x540/0x540 [ 249.794569] ? find_held_lock+0x36/0x1c0 [ 249.798655] ? out_of_memory+0x974/0x1430 [ 249.802804] ? lock_downgrade+0x900/0x900 [ 249.806982] ? check_preemption_disabled+0x48/0x280 [ 249.812022] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 249.816954] ? kasan_check_read+0x11/0x20 [ 249.821101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.826378] ? rcu_softirq_qs+0x20/0x20 [ 249.830365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.835906] ? oom_evaluate_task+0x302/0x540 [ 249.840354] out_of_memory+0xa84/0x1430 [ 249.844359] ? oom_killer_disable+0x3a0/0x3a0 [ 249.848852] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 249.853783] ? __ww_mutex_check_waiters+0x160/0x160 [ 249.858829] __alloc_pages_slowpath+0x2354/0x2e10 [ 249.863698] ? warn_alloc+0x120/0x120 [ 249.867508] ? warn_alloc+0x120/0x120 [ 249.871333] ? warn_alloc+0x120/0x120 [ 249.875148] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.880270] ? print_usage_bug+0xc0/0xc0 [ 249.884334] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 249.888917] ? print_usage_bug+0xc0/0xc0 [ 249.892993] ? print_usage_bug+0xc0/0xc0 [ 249.897058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.902601] ? should_fail+0x22d/0xd01 [ 249.906493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.911611] ? zap_class+0x640/0x640 [ 249.915349] ? __lock_is_held+0xb5/0x140 [ 249.919427] ? zap_class+0x640/0x640 [ 249.923161] ? lock_release+0xa00/0xa00 [ 249.927152] ? perf_trace_sched_process_exec+0x860/0x860 [ 249.932604] ? check_preemption_disabled+0x48/0x280 [ 249.937647] ? __might_sleep+0x95/0x190 [ 249.941630] __alloc_pages_nodemask+0xa80/0xde0 [ 249.946355] ? zap_class+0x640/0x640 [ 249.950072] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 249.955098] ? mark_held_locks+0xc7/0x130 [ 249.959278] ? cache_grow_begin+0x65/0x8c0 [ 249.963528] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 249.968126] ? trace_hardirqs_on+0xbd/0x310 [ 249.972448] ? fallback_alloc+0x204/0x2e0 [ 249.976602] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.981712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.987272] cache_grow_begin+0xa5/0x8c0 [ 249.991335] ? do_raw_spin_unlock+0xa7/0x330 [ 249.995750] fallback_alloc+0x204/0x2e0 [ 249.999746] ____cache_alloc_node+0x1c7/0x1e0 [ 250.004246] kmem_cache_alloc_node+0xe3/0x730 [ 250.008754] __alloc_skb+0x119/0x770 [ 250.012481] ? netdev_alloc_frag+0x1f0/0x1f0 [ 250.016911] ? if_nlmsg_size+0x5d1/0xbb0 [ 250.021020] ? rtnetlink_put_metrics+0x690/0x690 [ 250.025790] ? sk_psock_stop_strp+0x120/0x120 [ 250.030286] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.035302] ? netif_tx_stop_all_queues+0xd9/0x110 [ 250.040237] rtmsg_ifinfo_build_skb+0x74/0x190 [ 250.044844] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 250.049695] rtmsg_ifinfo+0x8c/0xa0 [ 250.053343] dev_close_many+0x3be/0x860 [ 250.057331] ? dev_fill_metadata_dst+0x840/0x840 [ 250.062091] ? find_held_lock+0x36/0x1c0 [ 250.066167] ? __queue_work+0x671/0x1440 [ 250.070233] ? lock_downgrade+0x900/0x900 [ 250.074394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.079943] ? rtnl_is_locked+0xb5/0xf0 [ 250.083919] ? rtnl_trylock+0x20/0x20 [ 250.087726] ? do_raw_spin_unlock+0xa7/0x330 [ 250.092135] ? do_raw_spin_trylock+0x270/0x270 [ 250.096730] rollback_registered_many+0x543/0x1250 [ 250.101681] ? generic_xdp_install+0x5a0/0x5a0 [ 250.106273] ? flush_rcu_work+0x90/0x90 [ 250.110254] ? zap_class+0x640/0x640 [ 250.113971] ? print_usage_bug+0xc0/0xc0 [ 250.118033] ? print_usage_bug+0xc0/0xc0 [ 250.122097] ? zap_class+0x640/0x640 [ 250.125829] ? print_usage_bug+0xc0/0xc0 [ 250.129895] ? find_held_lock+0x36/0x1c0 [ 250.133979] ? mark_held_locks+0xc7/0x130 [ 250.138134] rollback_registered+0x1e9/0x420 [ 250.142545] ? lockdep_hardirqs_on+0x321/0x5b0 [ 250.147130] ? rollback_registered_many+0x1250/0x1250 [ 250.152370] ? trace_hardirqs_on+0xbd/0x310 [ 250.156718] ? linkwatch_schedule_work+0x150/0x170 [ 250.161651] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.166765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.172305] ? rtnl_is_locked+0xb5/0xf0 [ 250.176278] ? rtnl_trylock+0x20/0x20 [ 250.180086] ? queue_delayed_work_on+0x130/0x1f0 [ 250.184849] unregister_netdevice_queue+0x321/0x5e0 [ 250.189960] ? rollback_registered+0x420/0x420 [ 250.194547] ? linkwatch_schedule_work+0x170/0x170 [ 250.199483] ? tun_setup+0x2d0/0x2d0 [ 250.203201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.208747] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 250.214114] ? __tun_detach+0x6ba/0x15c0 [ 250.218203] __tun_detach+0x11b8/0x15c0 [ 250.222178] ? __call_rcu.constprop.55+0x3ea/0x950 [ 250.227135] ? __call_rcu.constprop.55+0x3ea/0x950 [ 250.232074] ? tun_attach+0x1900/0x1900 [ 250.236069] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.241189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.246729] ? check_preemption_disabled+0x48/0x280 [ 250.251746] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 250.256345] ? zap_class+0x640/0x640 [ 250.260060] ? fsnotify+0x4e5/0xf20 [ 250.263699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.269238] ? locks_remove_file+0x3c6/0x5c0 [ 250.273649] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 250.279189] ? ima_file_free+0x132/0x650 [ 250.283259] ? __lock_is_held+0xb5/0x140 [ 250.287342] ? __tun_detach+0x15c0/0x15c0 [ 250.291502] ? __tun_detach+0x15c0/0x15c0 [ 250.295689] tun_chr_close+0xe3/0x180 [ 250.299515] __fput+0x385/0xa30 [ 250.302826] ? get_max_files+0x20/0x20 [ 250.306721] ? perf_trace_sched_process_exec+0x860/0x860 [ 250.312180] ____fput+0x15/0x20 [ 250.315478] task_work_run+0x1e8/0x2a0 [ 250.319368] ? task_work_cancel+0x240/0x240 [ 250.323694] ? switch_task_namespaces+0xb8/0xd0 [ 250.328389] do_exit+0x1ad6/0x26d0 [ 250.331952] ? mm_update_next_owner+0x990/0x990 [ 250.336625] ? print_usage_bug+0xc0/0xc0 [ 250.340685] ? find_held_lock+0x36/0x1c0 [ 250.344762] ? mark_held_locks+0x130/0x130 [ 250.349002] ? __lock_acquire+0x62f/0x4c20 [ 250.353239] ? pipe_wait+0x266/0x2c0 [ 250.356964] ? lock_release+0xa00/0xa00 [ 250.360957] ? mark_held_locks+0x130/0x130 [ 250.365207] ? __mutex_lock+0x85e/0x16f0 [ 250.369267] ? __switch_to_asm+0x40/0x70 [ 250.373334] ? pipe_wait+0x266/0x2c0 [ 250.377050] ? __switch_to_asm+0x34/0x70 [ 250.381115] ? __switch_to_asm+0x40/0x70 [ 250.385182] ? mutex_trylock+0x2b0/0x2b0 [ 250.389246] ? zap_class+0x640/0x640 [ 250.392979] ? zap_class+0x640/0x640 [ 250.396706] ? find_held_lock+0x36/0x1c0 [ 250.400806] ? memset+0x31/0x40 [ 250.404104] ? find_held_lock+0x36/0x1c0 [ 250.408176] ? get_signal+0x95b/0x1980 [ 250.412081] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.416592] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.421097] do_group_exit+0x177/0x440 [ 250.424988] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.430092] ? __ia32_sys_exit+0x50/0x50 [ 250.434165] get_signal+0x8b0/0x1980 [ 250.437887] ? ptrace_notify+0x130/0x130 [ 250.441960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.447512] ? pipe_read+0x702/0x940 [ 250.451243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.456790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.462325] ? __vfs_read+0x11f/0x9b0 [ 250.466161] do_signal+0x9c/0x21c0 [ 250.469705] ? fsnotify+0xf20/0xf20 [ 250.473343] ? setup_sigcontext+0x7d0/0x7d0 [ 250.477699] ? exit_to_usermode_loop+0x8c/0x380 [ 250.482388] ? exit_to_usermode_loop+0x8c/0x380 [ 250.487068] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 250.491669] ? trace_hardirqs_on+0xbd/0x310 [ 250.496004] ? do_syscall_64+0x6be/0x820 [ 250.500073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.505619] exit_to_usermode_loop+0x2e5/0x380 [ 250.510204] ? __bpf_trace_sys_exit+0x30/0x30 [ 250.514715] do_syscall_64+0x6be/0x820 [ 250.518603] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.523971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.528902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.533775] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.538796] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.543818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.548689] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.553925] RIP: 0033:0x410fa0 [ 250.557147] Code: Bad RIP value. [ 250.560508] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 250.568227] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 250.575539] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 250.582938] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 250.590206] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 250.597497] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 250.604801] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 250.604885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.612176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.612185] Call Trace: [ 250.618765] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.628025] [ 250.630615] syz-executor5 cpuset=syz5 mems_allowed=0 [ 250.641112] dump_stack+0x244/0x39d [ 250.651938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 250.657156] warn_alloc.cold.116+0xb7/0x1bd [ 250.661485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.666333] ? lock_downgrade+0x900/0x900 [ 250.670526] ? trace_hardirqs_off+0xb8/0x310 [ 250.674952] ? trace_hardirqs_off+0xb8/0x310 [ 250.679369] __alloc_pages_slowpath+0x26e8/0x2e10 [ 250.684253] ? warn_alloc+0x120/0x120 [ 250.688055] ? print_usage_bug+0xc0/0xc0 [ 250.692134] ? warn_alloc+0x120/0x120 [ 250.695939] ? warn_alloc+0x120/0x120 [ 250.699748] ? print_usage_bug+0xc0/0xc0 [ 250.703819] ? print_usage_bug+0xc0/0xc0 [ 250.707901] ? __lock_acquire+0x62f/0x4c20 [ 250.712159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.717702] ? should_fail+0x22d/0xd01 [ 250.721640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.726743] ? __lock_acquire+0x62f/0x4c20 [ 250.731015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.736119] ? __lock_acquire+0x62f/0x4c20 [ 250.740349] ? should_fail+0x22d/0xd01 [ 250.744241] ? find_held_lock+0x36/0x1c0 [ 250.748310] ? mark_held_locks+0x130/0x130 [ 250.752595] ? mark_held_locks+0x130/0x130 [ 250.756861] ? zap_class+0x640/0x640 [ 250.760591] ? zap_class+0x640/0x640 [ 250.764309] ? print_usage_bug+0xc0/0xc0 [ 250.768367] ? do_raw_spin_unlock+0xa7/0x330 [ 250.772781] ? zap_class+0x640/0x640 [ 250.776493] ? print_usage_bug+0xc0/0xc0 [ 250.780572] ? wq_watchdog_touch+0x9c/0xfe [ 250.784832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.790369] ? check_preemption_disabled+0x48/0x280 [ 250.795389] ? __lock_is_held+0xb5/0x140 [ 250.799505] __alloc_pages_nodemask+0xa80/0xde0 [ 250.804193] ? zap_class+0x640/0x640 [ 250.807911] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 250.812936] ? find_held_lock+0x36/0x1c0 [ 250.817009] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.821682] ? lock_downgrade+0x900/0x900 [ 250.825882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.831470] cache_grow_begin+0xa5/0x8c0 [ 250.835529] ? do_raw_spin_unlock+0xa7/0x330 [ 250.839940] fallback_alloc+0x204/0x2e0 [ 250.843920] ____cache_alloc_node+0x1c7/0x1e0 [ 250.848426] kmem_cache_alloc_node+0xe3/0x730 [ 250.852942] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.857192] __alloc_skb+0x119/0x770 [ 250.860906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 250.866195] ? netdev_alloc_frag+0x1f0/0x1f0 [ 250.870622] ? lock_downgrade+0x900/0x900 [ 250.874802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.880341] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.885808] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.891274] ? addrconf_rs_timer+0x690/0x690 [ 250.895701] ndisc_alloc_skb+0x144/0x340 [ 250.899767] ndisc_send_rs+0x331/0x6e0 [ 250.903664] addrconf_rs_timer+0x314/0x690 [ 250.907904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.912151] call_timer_fn+0x272/0x920 [ 250.916036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.920276] ? process_timeout+0x40/0x40 [ 250.924352] ? __run_timers+0x7da/0xc70 [ 250.928327] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.932824] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.937314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.941549] ? lockdep_hardirqs_on+0x296/0x5b0 [ 250.946134] ? trace_hardirqs_on+0xbd/0x310 [ 250.950472] ? kasan_check_read+0x11/0x20 [ 250.954622] ? __run_timers+0x7da/0xc70 [ 250.958600] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.963722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.967961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.972223] __run_timers+0x7e5/0xc70 [ 250.976112] ? timer_fixup_init+0x70/0x70 [ 250.980261] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.985295] ? zap_class+0x640/0x640 [ 250.989014] ? enqueue_hrtimer+0x1a5/0x560 [ 250.993251] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.998469] ? find_held_lock+0x36/0x1c0 [ 251.002535] ? zap_class+0x640/0x640 [ 251.006270] ? pvclock_read_flags+0x160/0x160 [ 251.010785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.016327] ? check_preemption_disabled+0x48/0x280 [ 251.021351] ? __lock_is_held+0xb5/0x140 [ 251.025419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.030960] ? check_preemption_disabled+0x48/0x280 [ 251.035980] run_timer_softirq+0x52/0xb0 [ 251.040077] ? rcu_read_lock_sched_held+0x14f/0x180 [ 251.045096] __do_softirq+0x308/0xb7e [ 251.048898] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 251.053390] ? lock_downgrade+0x900/0x900 [ 251.057568] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 251.062678] ? pvclock_read_flags+0x160/0x160 [ 251.067220] ? lapic_next_event+0x5a/0x90 [ 251.071372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.076917] ? kvm_clock_read+0x18/0x30 [ 251.080892] ? kvm_sched_clock_read+0x9/0x20 [ 251.085319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.090860] ? check_preemption_disabled+0x48/0x280 [ 251.095888] irq_exit+0x17f/0x1c0 [ 251.099343] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.104186] ? smp_reschedule_interrupt+0x109/0x650 [ 251.109201] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.115089] ? interrupt_entry+0xb5/0xc0 [ 251.119150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.124163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.129181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.134055] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.139088] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.144113] ? task_prio+0x50/0x50 [ 251.147669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.153215] ? check_preemption_disabled+0x48/0x280 [ 251.158235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.163083] apic_timer_interrupt+0xf/0x20 [ 251.167309] [ 251.169599] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 251.175487] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 251.194389] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 251.202126] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.209391] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 251.216665] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 251.223941] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 251.231207] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 251.238506] ? save_stack+0xa9/0xd0 [ 251.242142] __kmalloc_node_track_caller+0x3c/0x70 [ 251.247077] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 251.251858] pskb_expand_head+0x230/0x10f0 [ 251.256106] ? memcpy+0x45/0x50 [ 251.259399] ? __copy_skb_header+0x350/0x6b0 [ 251.263825] ? skb_release_data+0x880/0x880 [ 251.268146] ? __alloc_skb+0x770/0x770 [ 251.272044] ? __lock_is_held+0xb5/0x140 [ 251.276115] ? kasan_check_write+0x14/0x20 [ 251.280354] ? __skb_clone+0x6c7/0xa00 [ 251.284260] ? __copy_skb_header+0x6b0/0x6b0 [ 251.288667] ? kmem_cache_alloc+0x33a/0x730 [ 251.293001] skb_ensure_writable+0x3dd/0x640 [ 251.297423] ? skb_checksum_setup+0xaa0/0xaa0 [ 251.301923] ? check_preemption_disabled+0x48/0x280 [ 251.306943] ? __this_cpu_preempt_check+0x1c/0x20 [ 251.311785] ? __bpf_redirect+0x54b/0xb20 [ 251.315941] bpf_clone_redirect+0x14a/0x490 [ 251.320270] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 251.325286] ? __sched_text_start+0x8/0x8 [ 251.329455] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 251.334035] ? retint_kernel+0x2d/0x2d [ 251.337939] ? trace_hardirqs_on_caller+0xc0/0x310 [ 251.342875] ? find_held_lock+0x36/0x1c0 [ 251.346945] ? lock_acquire+0x1ed/0x520 [ 251.350936] ? bpf_test_run+0x3cb/0x780 [ 251.354927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.360480] ? check_preemption_disabled+0x48/0x280 [ 251.365514] ? kasan_check_read+0x11/0x20 [ 251.369677] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.375008] ? rcu_softirq_qs+0x20/0x20 [ 251.378987] ? preempt_schedule+0x4d/0x60 [ 251.383149] ? ___preempt_schedule+0x16/0x18 [ 251.387567] ? bpf_test_run+0x25d/0x780 [ 251.391556] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.395972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.401510] ? bpf_test_init.isra.10+0x70/0x100 [ 251.406186] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 251.410965] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 251.415809] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.421350] ? fput+0x130/0x1a0 [ 251.424635] ? __bpf_prog_get+0x9b/0x290 [ 251.428702] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 251.433544] ? bpf_prog_test_run+0x130/0x1a0 [ 251.437956] ? __x64_sys_bpf+0x3d8/0x520 [ 251.442056] ? bpf_prog_get+0x20/0x20 [ 251.445880] ? do_syscall_64+0x1b9/0x820 [ 251.449945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.455317] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.460243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.465098] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.470114] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.475135] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.480158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.485006] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.490392] warn_alloc_show_mem: 1 callbacks suppressed [ 251.490404] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 251.490415] Mem-Info: [ 251.490465] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 251.490465] active_file:12 inactive_file:13 isolated_file:0 [ 251.490465] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.490465] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 251.490465] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 251.490465] free:13733 free_pcp:586 free_cma:0 [ 251.495819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.503096] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.505497] Call Trace: [ 251.538377] 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 [ 251.547720] [ 251.575119] lowmem_reserve[]: 0 2818 6321 6321 [ 251.577717] dump_stack+0x244/0x39d [ 251.603811] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.605963] ? dump_stack_print_info.cold.1+0x20/0x20 [ 251.610519] lowmem_reserve[]: 0 0 3503 3503 [ 251.614161] warn_alloc.cold.116+0xb7/0x1bd [ 251.641733] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 251.646917] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.651230] lowmem_reserve[]: 0 0 0 0 [ 251.655571] ? lock_downgrade+0x900/0x900 [ 251.684530] 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 [ 251.689423] ? trace_hardirqs_off+0xb8/0x310 [ 251.693197] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 251.697344] ? trace_hardirqs_off+0xb8/0x310 [ 251.710858] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 251.715267] __alloc_pages_slowpath+0x26e8/0x2e10 [ 251.730592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.735046] ? warn_alloc+0x120/0x120 [ 251.748876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.753708] ? print_usage_bug+0xc0/0xc0 [ 251.762527] 269 total pagecache pages [ 251.766338] ? warn_alloc+0x120/0x120 [ 251.774897] 0 pages in swap cache [ 251.778960] ? warn_alloc+0x120/0x120 [ 251.782757] Swap cache stats: add 0, delete 0, find 0/0 [ 251.786559] ? print_usage_bug+0xc0/0xc0 [ 251.789986] Free swap = 0kB [ 251.793779] ? kvm_clock_read+0x18/0x30 [ 251.799146] Total swap = 0kB [ 251.803205] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 251.806202] 1965979 pages RAM [ 251.810202] ? print_usage_bug+0xc0/0xc0 [ 251.813217] 0 pages HighMem/MovableOnly [ 251.818242] ? __lock_acquire+0x62f/0x4c20 [ 251.821323] 342853 pages reserved [ 251.825378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.829336] 0 pages cma reserved [ 251.833566] ? should_fail+0x22d/0xd01 [ 251.837062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.842529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.845967] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.849755] ? __lock_acquire+0x62f/0x4c20 [ 251.856231] syz-executor0 cpuset=syz0 mems_allowed=0 [ 251.861325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.886228] ? __lock_acquire+0x62f/0x4c20 [ 251.890479] ? should_fail+0x22d/0xd01 [ 251.894376] ? mark_held_locks+0x130/0x130 [ 251.898620] ? mark_held_locks+0x130/0x130 [ 251.902861] ? zap_class+0x640/0x640 [ 251.906573] ? print_usage_bug+0xc0/0xc0 [ 251.910651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.916188] ? check_preemption_disabled+0x48/0x280 [ 251.921228] ? __lock_is_held+0xb5/0x140 [ 251.925295] __alloc_pages_nodemask+0xa80/0xde0 [ 251.929963] ? zap_class+0x640/0x640 [ 251.933684] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 251.938729] ? find_held_lock+0x36/0x1c0 [ 251.942802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.947492] ? lock_downgrade+0x900/0x900 [ 251.951650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.957196] cache_grow_begin+0xa5/0x8c0 [ 251.961255] ? do_raw_spin_unlock+0xa7/0x330 [ 251.965677] fallback_alloc+0x204/0x2e0 [ 251.969661] ____cache_alloc_node+0x1c7/0x1e0 [ 251.974164] kmem_cache_alloc_node+0xe3/0x730 [ 251.978661] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.982910] __alloc_skb+0x119/0x770 [ 251.986656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.991951] ? netdev_alloc_frag+0x1f0/0x1f0 [ 251.996367] ? lock_downgrade+0x900/0x900 [ 252.000529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.006069] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.011527] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.016982] ? addrconf_rs_timer+0x690/0x690 [ 252.021405] ndisc_alloc_skb+0x144/0x340 [ 252.025482] ndisc_send_rs+0x331/0x6e0 [ 252.029415] addrconf_rs_timer+0x314/0x690 [ 252.033772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.038028] call_timer_fn+0x272/0x920 [ 252.041933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.046191] ? process_timeout+0x40/0x40 [ 252.050281] ? mark_held_locks+0xc7/0x130 [ 252.054448] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.058944] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.063468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.067741] ? lockdep_hardirqs_on+0x296/0x5b0 [ 252.072329] ? trace_hardirqs_on+0xbd/0x310 [ 252.076656] ? kasan_check_read+0x11/0x20 [ 252.080810] ? __run_timers+0x7da/0xc70 [ 252.084797] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.089926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.094248] __run_timers+0x7e5/0xc70 [ 252.098069] ? timer_fixup_init+0x70/0x70 [ 252.102227] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.107255] ? zap_class+0x640/0x640 [ 252.110988] ? print_usage_bug+0xc0/0xc0 [ 252.115065] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.120271] ? find_held_lock+0x36/0x1c0 [ 252.124373] ? zap_class+0x640/0x640 [ 252.128126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.133677] ? check_preemption_disabled+0x48/0x280 [ 252.138724] ? __lock_is_held+0xb5/0x140 [ 252.142794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.148340] ? check_preemption_disabled+0x48/0x280 [ 252.153368] run_timer_softirq+0x52/0xb0 [ 252.157498] ? rcu_read_lock_sched_held+0x14f/0x180 [ 252.162532] __do_softirq+0x308/0xb7e [ 252.166348] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 252.170850] ? lock_downgrade+0x900/0x900 [ 252.175009] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 252.180127] ? pvclock_read_flags+0x160/0x160 [ 252.184631] ? lapic_next_event+0x5a/0x90 [ 252.188788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.194363] ? kvm_clock_read+0x18/0x30 [ 252.198347] ? kvm_sched_clock_read+0x9/0x20 [ 252.202767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.208318] ? check_preemption_disabled+0x48/0x280 [ 252.213385] irq_exit+0x17f/0x1c0 [ 252.216868] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.221727] ? smp_reschedule_interrupt+0x109/0x650 [ 252.226751] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.232656] ? interrupt_entry+0xb5/0xc0 [ 252.236735] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.241757] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.246787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.251644] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.256669] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.261693] ? task_prio+0x50/0x50 [ 252.265242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.270795] ? check_preemption_disabled+0x48/0x280 [ 252.275836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.280695] apic_timer_interrupt+0xf/0x20 [ 252.284945] [ 252.287189] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 252.292385] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 252.311309] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.319046] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 252.326320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 252.333595] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 252.340869] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 252.348149] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 252.355514] retint_kernel+0x1b/0x2d [ 252.359234] RIP: 0010:dump_stack+0x358/0x39d [ 252.363649] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 252.382570] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 252.390319] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 252.397592] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 252.404869] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 252.412154] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 252.419456] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 252.426766] ? dump_stack+0x34f/0x39d [ 252.430594] ? dump_stack_print_info.cold.1+0x20/0x20 [ 252.435813] dump_header+0x27b/0xf72 [ 252.439575] ? mark_held_locks+0x130/0x130 [ 252.443819] ? pagefault_out_of_memory+0x197/0x197 [ 252.448760] ? __lock_acquire+0x62f/0x4c20 [ 252.452997] ? zap_class+0x640/0x640 [ 252.456729] ? percpu_ref_get_many+0x240/0x240 [ 252.461348] ? print_usage_bug+0xc0/0xc0 [ 252.465423] ? print_usage_bug+0xc0/0xc0 [ 252.469492] ? zap_class+0x640/0x640 [ 252.473213] ? print_usage_bug+0xc0/0xc0 [ 252.477276] ? print_usage_bug+0xc0/0xc0 [ 252.481344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.486902] ? find_held_lock+0x36/0x1c0 [ 252.490997] ? mark_held_locks+0xc7/0x130 [ 252.495150] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.500258] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.505366] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 252.509961] ? trace_hardirqs_on+0xbd/0x310 [ 252.514285] ? kasan_check_read+0x11/0x20 [ 252.518444] ? ___ratelimit+0x3b4/0x672 [ 252.522438] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.527550] ? trace_hardirqs_on+0x310/0x310 [ 252.531984] ? lock_downgrade+0x900/0x900 [ 252.536157] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.541273] ? ___ratelimit+0x3b9/0x672 [ 252.545285] ? idr_get_free+0xf70/0xf70 [ 252.549295] ? find_held_lock+0x36/0x1c0 [ 252.553374] oom_kill_process.cold.27+0x10/0x903 [ 252.558151] ? zap_class+0x640/0x640 [ 252.561884] ? check_preemption_disabled+0x48/0x280 [ 252.566923] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 252.571862] ? kasan_check_read+0x11/0x20 [ 252.576017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.581305] ? oom_evaluate_task+0x540/0x540 [ 252.585968] ? find_held_lock+0x36/0x1c0 [ 252.590044] ? out_of_memory+0x974/0x1430 [ 252.594194] ? lock_downgrade+0x900/0x900 [ 252.598345] ? check_preemption_disabled+0x48/0x280 [ 252.603375] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 252.608320] ? kasan_check_read+0x11/0x20 [ 252.612489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.617786] ? rcu_softirq_qs+0x20/0x20 [ 252.621787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.627332] ? oom_evaluate_task+0x302/0x540 [ 252.631751] out_of_memory+0xa84/0x1430 [ 252.635739] ? oom_killer_disable+0x3a0/0x3a0 [ 252.640259] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 252.645214] ? __ww_mutex_check_waiters+0x160/0x160 [ 252.650251] __alloc_pages_slowpath+0x2354/0x2e10 [ 252.655157] ? warn_alloc+0x120/0x120 [ 252.658972] ? warn_alloc+0x120/0x120 [ 252.662783] ? warn_alloc+0x120/0x120 [ 252.666590] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.671701] ? print_usage_bug+0xc0/0xc0 [ 252.675772] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 252.680367] ? print_usage_bug+0xc0/0xc0 [ 252.684447] ? print_usage_bug+0xc0/0xc0 [ 252.688551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.694095] ? should_fail+0x22d/0xd01 [ 252.697992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.703110] ? zap_class+0x640/0x640 [ 252.706883] ? __lock_is_held+0xb5/0x140 [ 252.710959] ? zap_class+0x640/0x640 [ 252.715149] ? lock_release+0xa00/0xa00 [ 252.719129] ? perf_trace_sched_process_exec+0x860/0x860 [ 252.724584] ? check_preemption_disabled+0x48/0x280 [ 252.729618] ? __might_sleep+0x95/0x190 [ 252.733604] __alloc_pages_nodemask+0xa80/0xde0 [ 252.738280] ? zap_class+0x640/0x640 [ 252.742005] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 252.747038] ? mark_held_locks+0xc7/0x130 [ 252.751194] ? cache_grow_begin+0x65/0x8c0 [ 252.755440] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 252.760036] ? trace_hardirqs_on+0xbd/0x310 [ 252.764374] ? fallback_alloc+0x204/0x2e0 [ 252.768543] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.773658] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.779210] cache_grow_begin+0xa5/0x8c0 [ 252.783276] ? do_raw_spin_unlock+0xa7/0x330 [ 252.787703] fallback_alloc+0x204/0x2e0 [ 252.791689] ____cache_alloc_node+0x1c7/0x1e0 [ 252.796195] kmem_cache_alloc_node+0xe3/0x730 [ 252.800716] __alloc_skb+0x119/0x770 [ 252.804449] ? netdev_alloc_frag+0x1f0/0x1f0 [ 252.808868] ? if_nlmsg_size+0x5d1/0xbb0 [ 252.812951] ? rtnetlink_put_metrics+0x690/0x690 [ 252.817726] ? sk_psock_stop_strp+0x120/0x120 [ 252.822226] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 252.827256] ? netif_tx_stop_all_queues+0xd9/0x110 [ 252.832195] rtmsg_ifinfo_build_skb+0x74/0x190 [ 252.836788] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 252.841647] rtmsg_ifinfo+0x8c/0xa0 [ 252.845302] dev_close_many+0x3be/0x860 [ 252.849308] ? dev_fill_metadata_dst+0x840/0x840 [ 252.854072] ? find_held_lock+0x36/0x1c0 [ 252.858146] ? __queue_work+0x671/0x1440 [ 252.862211] ? lock_downgrade+0x900/0x900 [ 252.866369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.871914] ? rtnl_is_locked+0xb5/0xf0 [ 252.875909] ? rtnl_trylock+0x20/0x20 [ 252.879720] ? do_raw_spin_unlock+0xa7/0x330 [ 252.884139] ? do_raw_spin_trylock+0x270/0x270 [ 252.888741] rollback_registered_many+0x543/0x1250 [ 252.893690] ? generic_xdp_install+0x5a0/0x5a0 [ 252.898303] ? flush_rcu_work+0x90/0x90 [ 252.902284] ? zap_class+0x640/0x640 [ 252.906047] ? print_usage_bug+0xc0/0xc0 [ 252.910111] ? print_usage_bug+0xc0/0xc0 [ 252.914186] ? zap_class+0x640/0x640 [ 252.917905] ? print_usage_bug+0xc0/0xc0 [ 252.921985] ? find_held_lock+0x36/0x1c0 [ 252.926081] ? mark_held_locks+0xc7/0x130 [ 252.930239] rollback_registered+0x1e9/0x420 [ 252.934654] ? lockdep_hardirqs_on+0x321/0x5b0 [ 252.939247] ? rollback_registered_many+0x1250/0x1250 [ 252.944444] ? trace_hardirqs_on+0xbd/0x310 [ 252.948804] ? linkwatch_schedule_work+0x150/0x170 [ 252.953744] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.958860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.964425] ? rtnl_is_locked+0xb5/0xf0 [ 252.968422] ? rtnl_trylock+0x20/0x20 [ 252.972247] ? queue_delayed_work_on+0x130/0x1f0 [ 252.977012] unregister_netdevice_queue+0x321/0x5e0 [ 252.982038] ? rollback_registered+0x420/0x420 [ 252.986633] ? linkwatch_schedule_work+0x170/0x170 [ 252.991578] ? tun_setup+0x2d0/0x2d0 [ 252.995320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.000867] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 253.006240] ? __tun_detach+0x6ba/0x15c0 [ 253.010312] __tun_detach+0x11b8/0x15c0 [ 253.014288] ? __call_rcu.constprop.55+0x3ea/0x950 [ 253.019338] ? __call_rcu.constprop.55+0x3ea/0x950 [ 253.024297] ? tun_attach+0x1900/0x1900 [ 253.028276] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.033390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.038976] ? check_preemption_disabled+0x48/0x280 [ 253.044025] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 253.048619] ? zap_class+0x640/0x640 [ 253.052350] ? fsnotify+0x4e5/0xf20 [ 253.056000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.061540] ? locks_remove_file+0x3c6/0x5c0 [ 253.065957] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 253.071495] ? ima_file_free+0x132/0x650 [ 253.075567] ? __lock_is_held+0xb5/0x140 [ 253.079643] ? __tun_detach+0x15c0/0x15c0 [ 253.083806] ? __tun_detach+0x15c0/0x15c0 [ 253.087991] tun_chr_close+0xe3/0x180 [ 253.091798] __fput+0x385/0xa30 [ 253.095107] ? get_max_files+0x20/0x20 [ 253.099008] ? perf_trace_sched_process_exec+0x860/0x860 [ 253.104489] ____fput+0x15/0x20 [ 253.107775] task_work_run+0x1e8/0x2a0 [ 253.111684] ? task_work_cancel+0x240/0x240 [ 253.116029] ? switch_task_namespaces+0xb8/0xd0 [ 253.120709] do_exit+0x1ad6/0x26d0 [ 253.124265] ? mm_update_next_owner+0x990/0x990 [ 253.128949] ? print_usage_bug+0xc0/0xc0 [ 253.133016] ? find_held_lock+0x36/0x1c0 [ 253.137094] ? mark_held_locks+0x130/0x130 [ 253.141367] ? __lock_acquire+0x62f/0x4c20 [ 253.145611] ? pipe_wait+0x266/0x2c0 [ 253.149344] ? lock_release+0xa00/0xa00 [ 253.153331] ? mark_held_locks+0x130/0x130 [ 253.157583] ? __mutex_lock+0x85e/0x16f0 [ 253.161651] ? __switch_to_asm+0x40/0x70 [ 253.165722] ? pipe_wait+0x266/0x2c0 [ 253.169469] ? __switch_to_asm+0x34/0x70 [ 253.173546] ? __switch_to_asm+0x40/0x70 [ 253.177617] ? mutex_trylock+0x2b0/0x2b0 [ 253.181687] ? zap_class+0x640/0x640 [ 253.185437] ? zap_class+0x640/0x640 [ 253.189152] ? find_held_lock+0x36/0x1c0 [ 253.193242] ? memset+0x31/0x40 [ 253.196548] ? find_held_lock+0x36/0x1c0 [ 253.200621] ? get_signal+0x95b/0x1980 [ 253.204515] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.209018] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.213529] do_group_exit+0x177/0x440 [ 253.217451] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.222588] ? __ia32_sys_exit+0x50/0x50 [ 253.226663] get_signal+0x8b0/0x1980 [ 253.230391] ? ptrace_notify+0x130/0x130 [ 253.234529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.240074] ? pipe_read+0x702/0x940 [ 253.243793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.249362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.254905] ? __vfs_read+0x11f/0x9b0 [ 253.258731] do_signal+0x9c/0x21c0 [ 253.262277] ? fsnotify+0xf20/0xf20 [ 253.265937] ? setup_sigcontext+0x7d0/0x7d0 [ 253.270274] ? exit_to_usermode_loop+0x8c/0x380 [ 253.274955] ? exit_to_usermode_loop+0x8c/0x380 [ 253.279635] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 253.284228] ? trace_hardirqs_on+0xbd/0x310 [ 253.288557] ? do_syscall_64+0x6be/0x820 [ 253.292637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.298216] exit_to_usermode_loop+0x2e5/0x380 [ 253.302807] ? __bpf_trace_sys_exit+0x30/0x30 [ 253.307319] do_syscall_64+0x6be/0x820 [ 253.311209] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.316583] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.321535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.326389] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.331449] ? prepare_exit_to_usermode+0x291/0x3b0 [ 253.336510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.341366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.346558] RIP: 0033:0x410fa0 [ 253.349786] Code: Bad RIP value. [ 253.353146] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 253.360894] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 253.368189] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 253.375476] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 253.382783] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 253.390059] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 253.397364] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 253.397482] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.404795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.404801] Call Trace: [ 253.404807] [ 253.404830] dump_stack+0x244/0x39d [ 253.404854] ? dump_stack_print_info.cold.1+0x20/0x20 [ 253.411399] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.420722] warn_alloc.cold.116+0xb7/0x1bd [ 253.423283] syz-executor5 cpuset=syz5 mems_allowed=0 [ 253.425441] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.458951] ? lock_downgrade+0x900/0x900 [ 253.463111] ? trace_hardirqs_off+0xb8/0x310 [ 253.467530] ? trace_hardirqs_off+0xb8/0x310 [ 253.471959] __alloc_pages_slowpath+0x26e8/0x2e10 [ 253.476844] ? warn_alloc+0x120/0x120 [ 253.480653] ? print_usage_bug+0xc0/0xc0 [ 253.484726] ? warn_alloc+0x120/0x120 [ 253.488534] ? warn_alloc+0x120/0x120 [ 253.492339] ? print_usage_bug+0xc0/0xc0 [ 253.496404] ? kvm_clock_read+0x18/0x30 [ 253.500395] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 253.505446] ? print_usage_bug+0xc0/0xc0 [ 253.509516] ? __lock_acquire+0x62f/0x4c20 [ 253.513761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.519303] ? should_fail+0x22d/0xd01 [ 253.523191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 253.528479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.533606] ? __lock_acquire+0x62f/0x4c20 [ 253.537851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.542958] ? __lock_acquire+0x62f/0x4c20 [ 253.547196] ? should_fail+0x22d/0xd01 [ 253.551082] ? rcu_irq_exit+0x1a2/0x390 [ 253.555077] ? mark_held_locks+0x130/0x130 [ 253.559315] ? mark_held_locks+0x130/0x130 [ 253.563559] ? mark_held_locks+0xc7/0x130 [ 253.567713] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 253.572731] ? zap_class+0x640/0x640 [ 253.576453] ? print_usage_bug+0xc0/0xc0 [ 253.580520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.586072] ? check_preemption_disabled+0x48/0x280 [ 253.591100] ? __lock_is_held+0xb5/0x140 [ 253.595169] __alloc_pages_nodemask+0xa80/0xde0 [ 253.599837] ? zap_class+0x640/0x640 [ 253.603558] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 253.608590] ? find_held_lock+0x36/0x1c0 [ 253.612663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.617337] ? lock_downgrade+0x900/0x900 [ 253.621499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.627043] cache_grow_begin+0xa5/0x8c0 [ 253.631105] ? do_raw_spin_unlock+0xa7/0x330 [ 253.635523] fallback_alloc+0x204/0x2e0 [ 253.639507] ____cache_alloc_node+0x1c7/0x1e0 [ 253.644008] kmem_cache_alloc_node+0xe3/0x730 [ 253.648509] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.652760] __alloc_skb+0x119/0x770 [ 253.656475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 253.661771] ? netdev_alloc_frag+0x1f0/0x1f0 [ 253.666178] ? lock_downgrade+0x900/0x900 [ 253.670336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.675887] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.681339] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.686792] ? addrconf_rs_timer+0x690/0x690 [ 253.691216] ndisc_alloc_skb+0x144/0x340 [ 253.695291] ndisc_send_rs+0x331/0x6e0 [ 253.699181] addrconf_rs_timer+0x314/0x690 [ 253.703438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.707683] call_timer_fn+0x272/0x920 [ 253.711575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.715808] ? process_timeout+0x40/0x40 [ 253.719881] ? __run_timers+0x7da/0xc70 [ 253.723856] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.728348] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.732854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.737103] ? lockdep_hardirqs_on+0x296/0x5b0 [ 253.741686] ? trace_hardirqs_on+0xbd/0x310 [ 253.746006] ? kasan_check_read+0x11/0x20 [ 253.750183] ? __run_timers+0x7da/0xc70 [ 253.754160] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.759266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.763520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.767753] __run_timers+0x7e5/0xc70 [ 253.771607] ? timer_fixup_init+0x70/0x70 [ 253.775758] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.780785] ? zap_class+0x640/0x640 [ 253.784503] ? enqueue_hrtimer+0x1a5/0x560 [ 253.788742] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.793953] ? find_held_lock+0x36/0x1c0 [ 253.798021] ? zap_class+0x640/0x640 [ 253.801736] ? pvclock_read_flags+0x160/0x160 [ 253.806232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.811767] ? check_preemption_disabled+0x48/0x280 [ 253.816820] ? __lock_is_held+0xb5/0x140 [ 253.820910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.826499] ? check_preemption_disabled+0x48/0x280 [ 253.831522] run_timer_softirq+0x52/0xb0 [ 253.835595] ? rcu_read_lock_sched_held+0x14f/0x180 [ 253.840612] __do_softirq+0x308/0xb7e [ 253.844425] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 253.848932] ? lock_downgrade+0x900/0x900 [ 253.853083] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 253.858209] ? pvclock_read_flags+0x160/0x160 [ 253.862705] ? lapic_next_event+0x5a/0x90 [ 253.866855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.872399] ? kvm_clock_read+0x18/0x30 [ 253.876443] ? kvm_sched_clock_read+0x9/0x20 [ 253.880883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.886425] ? check_preemption_disabled+0x48/0x280 [ 253.891484] irq_exit+0x17f/0x1c0 [ 253.894965] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.899804] ? smp_reschedule_interrupt+0x109/0x650 [ 253.904820] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.910701] ? interrupt_entry+0xb5/0xc0 [ 253.914768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.919798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.924813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.929655] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.934685] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.939700] ? task_prio+0x50/0x50 [ 253.943240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.948793] ? check_preemption_disabled+0x48/0x280 [ 253.953826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.958676] apic_timer_interrupt+0xf/0x20 [ 253.962909] [ 253.965146] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 253.971029] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 253.989942] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 253.997654] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 254.004923] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 254.012189] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 254.019455] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 254.026722] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 254.034019] ? save_stack+0xa9/0xd0 [ 254.037674] __kmalloc_node_track_caller+0x3c/0x70 [ 254.042608] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 254.047381] pskb_expand_head+0x230/0x10f0 [ 254.051628] ? memcpy+0x45/0x50 [ 254.054910] ? __copy_skb_header+0x350/0x6b0 [ 254.059320] ? skb_release_data+0x880/0x880 [ 254.063642] ? __alloc_skb+0x770/0x770 [ 254.067540] ? __lock_is_held+0xb5/0x140 [ 254.071610] ? kasan_check_write+0x14/0x20 [ 254.075872] ? __skb_clone+0x6c7/0xa00 [ 254.079760] ? __copy_skb_header+0x6b0/0x6b0 [ 254.084169] ? kmem_cache_alloc+0x33a/0x730 [ 254.088532] skb_ensure_writable+0x3dd/0x640 [ 254.092946] ? skb_checksum_setup+0xaa0/0xaa0 [ 254.097452] ? check_preemption_disabled+0x48/0x280 [ 254.102507] ? __this_cpu_preempt_check+0x1c/0x20 [ 254.107366] ? __bpf_redirect+0x54b/0xb20 [ 254.111526] bpf_clone_redirect+0x14a/0x490 [ 254.115860] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 254.120878] ? __sched_text_start+0x8/0x8 [ 254.125030] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 254.129610] ? retint_kernel+0x2d/0x2d [ 254.133514] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.138472] ? find_held_lock+0x36/0x1c0 [ 254.142541] ? lock_acquire+0x1ed/0x520 [ 254.146511] ? bpf_test_run+0x3cb/0x780 [ 254.150486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.156021] ? check_preemption_disabled+0x48/0x280 [ 254.161056] ? kasan_check_read+0x11/0x20 [ 254.165204] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.170481] ? rcu_softirq_qs+0x20/0x20 [ 254.174486] ? preempt_schedule+0x4d/0x60 [ 254.178668] ? ___preempt_schedule+0x16/0x18 [ 254.183130] ? bpf_test_run+0x25d/0x780 [ 254.187134] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.191543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.197111] ? bpf_test_init.isra.10+0x70/0x100 [ 254.201787] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 254.206552] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 254.211394] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.216944] ? fput+0x130/0x1a0 [ 254.220226] ? __bpf_prog_get+0x9b/0x290 [ 254.224295] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 254.229140] ? bpf_prog_test_run+0x130/0x1a0 [ 254.233554] ? __x64_sys_bpf+0x3d8/0x520 [ 254.237635] ? bpf_prog_get+0x20/0x20 [ 254.241473] ? do_syscall_64+0x1b9/0x820 [ 254.245537] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.250918] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.255861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.260722] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.265742] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.270763] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.275783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.280659] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.286040] warn_alloc_show_mem: 1 callbacks suppressed [ 254.286053] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 254.286054] Mem-Info: [ 254.286086] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 254.286086] active_file:12 inactive_file:13 isolated_file:0 [ 254.286086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.286086] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 254.286086] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 254.286086] free:13733 free_pcp:586 free_cma:0 [ 254.291434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.298717] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 254.301115] Call Trace: [ 254.333977] 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 [ 254.343318] [ 254.370735] lowmem_reserve[]: 0 2818 6321 6321 [ 254.373315] dump_stack+0x244/0x39d [ 254.399395] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 254.401549] ? dump_stack_print_info.cold.1+0x20/0x20 [ 254.406100] lowmem_reserve[]: 0 0 3503 3503 [ 254.409733] warn_alloc.cold.116+0xb7/0x1bd [ 254.437282] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 254.442467] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.446768] lowmem_reserve[]: 0 0 0 0 [ 254.451085] ? lock_downgrade+0x900/0x900 [ 254.480049] 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 [ 254.484910] ? trace_hardirqs_off+0xb8/0x310 [ 254.488683] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 254.492831] ? trace_hardirqs_off+0xb8/0x310 [ 254.506341] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 254.510772] __alloc_pages_slowpath+0x26e8/0x2e10 [ 254.526108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.530527] ? warn_alloc+0x120/0x120 [ 254.544353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.549185] ? print_usage_bug+0xc0/0xc0 [ 254.558008] 269 total pagecache pages [ 254.561797] ? warn_alloc+0x120/0x120 [ 254.570352] 0 pages in swap cache [ 254.574424] ? warn_alloc+0x120/0x120 [ 254.578206] Swap cache stats: add 0, delete 0, find 0/0 [ 254.582122] ? print_usage_bug+0xc0/0xc0 [ 254.582133] ? print_usage_bug+0xc0/0xc0 [ 254.582141] ? __lock_acquire+0x62f/0x4c20 [ 254.582153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.582161] ? should_fail+0x22d/0xd01 [ 254.582171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.582179] ? __lock_acquire+0x62f/0x4c20 [ 254.582189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.582195] ? __lock_acquire+0x62f/0x4c20 [ 254.582202] ? should_fail+0x22d/0xd01 [ 254.582209] ? find_held_lock+0x36/0x1c0 [ 254.582221] ? mark_held_locks+0x130/0x130 [ 254.582230] ? mark_held_locks+0x130/0x130 [ 254.582237] ? zap_class+0x640/0x640 [ 254.582244] ? zap_class+0x640/0x640 [ 254.582252] ? print_usage_bug+0xc0/0xc0 [ 254.582259] ? do_raw_spin_unlock+0xa7/0x330 [ 254.582267] ? zap_class+0x640/0x640 [ 254.582274] ? print_usage_bug+0xc0/0xc0 [ 254.582282] ? wq_watchdog_touch+0x9c/0xfe [ 254.582291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.582300] ? check_preemption_disabled+0x48/0x280 [ 254.582312] ? __lock_is_held+0xb5/0x140 [ 254.582323] __alloc_pages_nodemask+0xa80/0xde0 [ 254.582330] ? zap_class+0x640/0x640 [ 254.582340] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 254.582353] ? find_held_lock+0x36/0x1c0 [ 254.582366] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.582375] ? lock_downgrade+0x900/0x900 [ 254.582386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.582396] cache_grow_begin+0xa5/0x8c0 [ 254.582402] ? do_raw_spin_unlock+0xa7/0x330 [ 254.582433] fallback_alloc+0x204/0x2e0 [ 254.582451] ____cache_alloc_node+0x1c7/0x1e0 [ 254.582468] kmem_cache_alloc_node+0xe3/0x730 [ 254.585938] Free swap = 0kB [ 254.589735] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.595097] Total swap = 0kB [ 254.599157] __alloc_skb+0x119/0x770 [ 254.603188] 1965979 pages RAM [ 254.607449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.612980] 0 pages HighMem/MovableOnly [ 254.616859] ? netdev_alloc_frag+0x1f0/0x1f0 [ 254.621933] 342853 pages reserved [ 254.621942] 0 pages cma reserved [ 254.626195] ? lock_downgrade+0x900/0x900 [ 254.631347] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.635503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.635518] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.635535] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.639486] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.643478] ? addrconf_rs_timer+0x690/0x690 [ 254.647718] syz-executor0 cpuset=syz0 mems_allowed=0 [ 254.651969] ndisc_alloc_skb+0x144/0x340 [ 254.836538] ndisc_send_rs+0x331/0x6e0 [ 254.840444] addrconf_rs_timer+0x314/0x690 [ 254.844684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.848964] call_timer_fn+0x272/0x920 [ 254.852878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.857110] ? process_timeout+0x40/0x40 [ 254.861181] ? mark_held_locks+0xc7/0x130 [ 254.865345] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.869854] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.874347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.878607] ? lockdep_hardirqs_on+0x296/0x5b0 [ 254.883190] ? trace_hardirqs_on+0xbd/0x310 [ 254.887541] ? kasan_check_read+0x11/0x20 [ 254.891687] ? __run_timers+0x7da/0xc70 [ 254.895678] ? trace_hardirqs_off_caller+0x310/0x310 [ 254.900800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.905051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.909312] __run_timers+0x7e5/0xc70 [ 254.913119] ? timer_fixup_init+0x70/0x70 [ 254.917284] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.922298] ? zap_class+0x640/0x640 [ 254.926017] ? print_usage_bug+0xc0/0xc0 [ 254.930093] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.935321] ? find_held_lock+0x36/0x1c0 [ 254.939401] ? zap_class+0x640/0x640 [ 254.943151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.948692] ? check_preemption_disabled+0x48/0x280 [ 254.953719] ? __lock_is_held+0xb5/0x140 [ 254.957786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.963328] ? check_preemption_disabled+0x48/0x280 [ 254.968350] run_timer_softirq+0x52/0xb0 [ 254.972422] ? rcu_read_lock_sched_held+0x14f/0x180 [ 254.977447] __do_softirq+0x308/0xb7e [ 254.981267] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 254.985764] ? lock_downgrade+0x900/0x900 [ 254.989917] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 254.995077] ? pvclock_read_flags+0x160/0x160 [ 254.999574] ? lapic_next_event+0x5a/0x90 [ 255.003727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.009286] ? kvm_clock_read+0x18/0x30 [ 255.013260] ? kvm_sched_clock_read+0x9/0x20 [ 255.017675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.023216] ? check_preemption_disabled+0x48/0x280 [ 255.028243] irq_exit+0x17f/0x1c0 [ 255.031699] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.036541] ? smp_reschedule_interrupt+0x109/0x650 [ 255.041563] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.047449] ? interrupt_entry+0xb5/0xc0 [ 255.051515] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.056535] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.061553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.066401] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.071431] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.076459] ? task_prio+0x50/0x50 [ 255.080001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.085541] ? check_preemption_disabled+0x48/0x280 [ 255.090582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.095441] apic_timer_interrupt+0xf/0x20 [ 255.099670] [ 255.101910] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 255.107136] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 255.126037] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 255.133749] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 255.141016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 255.148289] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 255.155558] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 255.162826] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 255.170123] retint_kernel+0x1b/0x2d [ 255.173854] RIP: 0010:dump_stack+0x358/0x39d [ 255.178264] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 255.197163] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 255.204892] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 255.212159] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 255.219453] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 255.226740] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 255.234021] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 255.241321] ? dump_stack+0x34f/0x39d [ 255.245133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 255.250348] dump_header+0x27b/0xf72 [ 255.254072] ? mark_held_locks+0x130/0x130 [ 255.258308] ? pagefault_out_of_memory+0x197/0x197 [ 255.263277] ? __lock_acquire+0x62f/0x4c20 [ 255.267542] ? zap_class+0x640/0x640 [ 255.271260] ? percpu_ref_get_many+0x240/0x240 [ 255.275842] ? print_usage_bug+0xc0/0xc0 [ 255.279914] ? print_usage_bug+0xc0/0xc0 [ 255.283989] ? zap_class+0x640/0x640 [ 255.287736] ? print_usage_bug+0xc0/0xc0 [ 255.291796] ? print_usage_bug+0xc0/0xc0 [ 255.295882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.301469] ? find_held_lock+0x36/0x1c0 [ 255.305571] ? mark_held_locks+0xc7/0x130 [ 255.309721] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.314823] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.319928] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.324519] ? trace_hardirqs_on+0xbd/0x310 [ 255.328839] ? kasan_check_read+0x11/0x20 [ 255.333015] ? ___ratelimit+0x3b4/0x672 [ 255.336987] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.342091] ? trace_hardirqs_on+0x310/0x310 [ 255.346499] ? lock_downgrade+0x900/0x900 [ 255.350653] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.355760] ? ___ratelimit+0x3b9/0x672 [ 255.359742] ? idr_get_free+0xf70/0xf70 [ 255.363737] ? find_held_lock+0x36/0x1c0 [ 255.367808] oom_kill_process.cold.27+0x10/0x903 [ 255.372563] ? zap_class+0x640/0x640 [ 255.376277] ? check_preemption_disabled+0x48/0x280 [ 255.381297] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 255.386223] ? kasan_check_read+0x11/0x20 [ 255.390368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.395649] ? oom_evaluate_task+0x540/0x540 [ 255.400059] ? find_held_lock+0x36/0x1c0 [ 255.404142] ? out_of_memory+0x974/0x1430 [ 255.408323] ? lock_downgrade+0x900/0x900 [ 255.412489] ? check_preemption_disabled+0x48/0x280 [ 255.417522] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 255.422465] ? kasan_check_read+0x11/0x20 [ 255.426628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.431908] ? rcu_softirq_qs+0x20/0x20 [ 255.435920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.441464] ? oom_evaluate_task+0x302/0x540 [ 255.445876] out_of_memory+0xa84/0x1430 [ 255.449863] ? oom_killer_disable+0x3a0/0x3a0 [ 255.454364] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 255.459313] ? __ww_mutex_check_waiters+0x160/0x160 [ 255.464348] __alloc_pages_slowpath+0x2354/0x2e10 [ 255.469222] ? warn_alloc+0x120/0x120 [ 255.473041] ? warn_alloc+0x120/0x120 [ 255.476862] ? warn_alloc+0x120/0x120 [ 255.480661] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.485770] ? print_usage_bug+0xc0/0xc0 [ 255.489844] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.494432] ? print_usage_bug+0xc0/0xc0 [ 255.498505] ? print_usage_bug+0xc0/0xc0 [ 255.502578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.508132] ? should_fail+0x22d/0xd01 [ 255.512029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.517135] ? zap_class+0x640/0x640 [ 255.520875] ? __lock_is_held+0xb5/0x140 [ 255.524946] ? zap_class+0x640/0x640 [ 255.528678] ? lock_release+0xa00/0xa00 [ 255.532670] ? perf_trace_sched_process_exec+0x860/0x860 [ 255.538122] ? check_preemption_disabled+0x48/0x280 [ 255.543159] ? __might_sleep+0x95/0x190 [ 255.547137] __alloc_pages_nodemask+0xa80/0xde0 [ 255.551843] ? zap_class+0x640/0x640 [ 255.555591] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 255.560619] ? mark_held_locks+0xc7/0x130 [ 255.564771] ? cache_grow_begin+0x65/0x8c0 [ 255.569003] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.573616] ? trace_hardirqs_on+0xbd/0x310 [ 255.577945] ? fallback_alloc+0x204/0x2e0 [ 255.582105] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.587224] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.592762] cache_grow_begin+0xa5/0x8c0 [ 255.596824] ? do_raw_spin_unlock+0xa7/0x330 [ 255.601242] fallback_alloc+0x204/0x2e0 [ 255.605224] ____cache_alloc_node+0x1c7/0x1e0 [ 255.609729] kmem_cache_alloc_node+0xe3/0x730 [ 255.614257] __alloc_skb+0x119/0x770 [ 255.617995] ? netdev_alloc_frag+0x1f0/0x1f0 [ 255.622428] ? if_nlmsg_size+0x5d1/0xbb0 [ 255.626520] ? rtnetlink_put_metrics+0x690/0x690 [ 255.631291] ? sk_psock_stop_strp+0x120/0x120 [ 255.635804] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 255.640826] ? netif_tx_stop_all_queues+0xd9/0x110 [ 255.645763] rtmsg_ifinfo_build_skb+0x74/0x190 [ 255.650372] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 255.655226] rtmsg_ifinfo+0x8c/0xa0 [ 255.658872] dev_close_many+0x3be/0x860 [ 255.662874] ? dev_fill_metadata_dst+0x840/0x840 [ 255.667640] ? find_held_lock+0x36/0x1c0 [ 255.671720] ? __queue_work+0x671/0x1440 [ 255.675792] ? lock_downgrade+0x900/0x900 [ 255.679959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.685511] ? rtnl_is_locked+0xb5/0xf0 [ 255.689493] ? rtnl_trylock+0x20/0x20 [ 255.693296] ? do_raw_spin_unlock+0xa7/0x330 [ 255.697708] ? do_raw_spin_trylock+0x270/0x270 [ 255.702303] rollback_registered_many+0x543/0x1250 [ 255.707255] ? generic_xdp_install+0x5a0/0x5a0 [ 255.711866] ? flush_rcu_work+0x90/0x90 [ 255.715872] ? zap_class+0x640/0x640 [ 255.719605] ? print_usage_bug+0xc0/0xc0 [ 255.723714] ? print_usage_bug+0xc0/0xc0 [ 255.727784] ? zap_class+0x640/0x640 [ 255.731516] ? print_usage_bug+0xc0/0xc0 [ 255.735581] ? find_held_lock+0x36/0x1c0 [ 255.739677] ? mark_held_locks+0xc7/0x130 [ 255.743838] rollback_registered+0x1e9/0x420 [ 255.748253] ? lockdep_hardirqs_on+0x321/0x5b0 [ 255.752856] ? rollback_registered_many+0x1250/0x1250 [ 255.758081] ? trace_hardirqs_on+0xbd/0x310 [ 255.762416] ? linkwatch_schedule_work+0x150/0x170 [ 255.767352] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.772467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.778008] ? rtnl_is_locked+0xb5/0xf0 [ 255.781984] ? rtnl_trylock+0x20/0x20 [ 255.785801] ? queue_delayed_work_on+0x130/0x1f0 [ 255.790570] unregister_netdevice_queue+0x321/0x5e0 [ 255.795623] ? rollback_registered+0x420/0x420 [ 255.800216] ? linkwatch_schedule_work+0x170/0x170 [ 255.805150] ? tun_setup+0x2d0/0x2d0 [ 255.808870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.814439] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 255.819812] ? __tun_detach+0x6ba/0x15c0 [ 255.823922] __tun_detach+0x11b8/0x15c0 [ 255.827907] ? __call_rcu.constprop.55+0x3ea/0x950 [ 255.832875] ? __call_rcu.constprop.55+0x3ea/0x950 [ 255.837832] ? tun_attach+0x1900/0x1900 [ 255.841825] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.846943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.852489] ? check_preemption_disabled+0x48/0x280 [ 255.857530] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.862126] ? zap_class+0x640/0x640 [ 255.865844] ? fsnotify+0x4e5/0xf20 [ 255.869509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.875051] ? locks_remove_file+0x3c6/0x5c0 [ 255.879488] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 255.885035] ? ima_file_free+0x132/0x650 [ 255.889107] ? __lock_is_held+0xb5/0x140 [ 255.893181] ? __tun_detach+0x15c0/0x15c0 [ 255.897357] ? __tun_detach+0x15c0/0x15c0 [ 255.901511] tun_chr_close+0xe3/0x180 [ 255.905336] __fput+0x385/0xa30 [ 255.908628] ? get_max_files+0x20/0x20 [ 255.912534] ? perf_trace_sched_process_exec+0x860/0x860 [ 255.918004] ____fput+0x15/0x20 [ 255.921290] task_work_run+0x1e8/0x2a0 [ 255.925184] ? task_work_cancel+0x240/0x240 [ 255.929515] ? switch_task_namespaces+0xb8/0xd0 [ 255.934214] do_exit+0x1ad6/0x26d0 [ 255.937772] ? mm_update_next_owner+0x990/0x990 [ 255.942480] ? print_usage_bug+0xc0/0xc0 [ 255.946549] ? find_held_lock+0x36/0x1c0 [ 255.950648] ? mark_held_locks+0x130/0x130 [ 255.954896] ? __lock_acquire+0x62f/0x4c20 [ 255.959162] ? pipe_wait+0x266/0x2c0 [ 255.962887] ? lock_release+0xa00/0xa00 [ 255.966876] ? mark_held_locks+0x130/0x130 [ 255.971128] ? __mutex_lock+0x85e/0x16f0 [ 255.975191] ? __switch_to_asm+0x40/0x70 [ 255.979259] ? pipe_wait+0x266/0x2c0 [ 255.982987] ? __switch_to_asm+0x34/0x70 [ 255.987063] ? __switch_to_asm+0x40/0x70 [ 255.991132] ? mutex_trylock+0x2b0/0x2b0 [ 255.995203] ? zap_class+0x640/0x640 [ 255.998944] ? zap_class+0x640/0x640 [ 256.002662] ? find_held_lock+0x36/0x1c0 [ 256.006755] ? memset+0x31/0x40 [ 256.010045] ? find_held_lock+0x36/0x1c0 [ 256.014126] ? get_signal+0x95b/0x1980 [ 256.018021] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.022523] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.027032] do_group_exit+0x177/0x440 [ 256.030935] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.036048] ? __ia32_sys_exit+0x50/0x50 [ 256.040123] get_signal+0x8b0/0x1980 [ 256.043850] ? ptrace_notify+0x130/0x130 [ 256.047927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.053477] ? pipe_read+0x702/0x940 [ 256.057202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.062760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.068305] ? __vfs_read+0x11f/0x9b0 [ 256.072119] do_signal+0x9c/0x21c0 [ 256.075668] ? fsnotify+0xf20/0xf20 [ 256.079321] ? setup_sigcontext+0x7d0/0x7d0 [ 256.083654] ? exit_to_usermode_loop+0x8c/0x380 [ 256.088327] ? exit_to_usermode_loop+0x8c/0x380 [ 256.093002] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 256.097594] ? trace_hardirqs_on+0xbd/0x310 [ 256.101921] ? do_syscall_64+0x6be/0x820 [ 256.106002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.111556] exit_to_usermode_loop+0x2e5/0x380 [ 256.116150] ? __bpf_trace_sys_exit+0x30/0x30 [ 256.120665] do_syscall_64+0x6be/0x820 [ 256.124565] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.129946] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.134884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.139737] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.144767] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.149802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.154672] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.159864] RIP: 0033:0x410fa0 [ 256.163069] Code: Bad RIP value. [ 256.166441] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 256.174154] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 256.181434] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 256.188719] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 256.195993] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 256.203269] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 256.210580] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 256.210647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.217953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.217959] Call Trace: [ 256.217966] [ 256.217989] dump_stack+0x244/0x39d [ 256.218008] ? dump_stack_print_info.cold.1+0x20/0x20 [ 256.224584] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.233873] warn_alloc.cold.116+0xb7/0x1bd [ 256.236477] syz-executor5 cpuset=syz5 mems_allowed=0 [ 256.238627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.272143] ? lock_downgrade+0x900/0x900 [ 256.276318] ? trace_hardirqs_off+0xb8/0x310 [ 256.280736] ? trace_hardirqs_off+0xb8/0x310 [ 256.285166] __alloc_pages_slowpath+0x26e8/0x2e10 [ 256.290053] ? warn_alloc+0x120/0x120 [ 256.293874] ? print_usage_bug+0xc0/0xc0 [ 256.297942] ? warn_alloc+0x120/0x120 [ 256.301755] ? warn_alloc+0x120/0x120 [ 256.305564] ? print_usage_bug+0xc0/0xc0 [ 256.309632] ? print_usage_bug+0xc0/0xc0 [ 256.313714] ? __lock_acquire+0x62f/0x4c20 [ 256.317974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.323541] ? should_fail+0x22d/0xd01 [ 256.327467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.332577] ? __lock_acquire+0x62f/0x4c20 [ 256.336820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.341922] ? __lock_acquire+0x62f/0x4c20 [ 256.346155] ? should_fail+0x22d/0xd01 [ 256.350047] ? find_held_lock+0x36/0x1c0 [ 256.354136] ? mark_held_locks+0x130/0x130 [ 256.358385] ? mark_held_locks+0x130/0x130 [ 256.362626] ? zap_class+0x640/0x640 [ 256.366340] ? zap_class+0x640/0x640 [ 256.370070] ? print_usage_bug+0xc0/0xc0 [ 256.374156] ? do_raw_spin_unlock+0xa7/0x330 [ 256.378568] ? zap_class+0x640/0x640 [ 256.382283] ? print_usage_bug+0xc0/0xc0 [ 256.386345] ? wq_watchdog_touch+0x9c/0xfe [ 256.390587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.396149] ? check_preemption_disabled+0x48/0x280 [ 256.401183] ? __lock_is_held+0xb5/0x140 [ 256.405253] __alloc_pages_nodemask+0xa80/0xde0 [ 256.409943] ? zap_class+0x640/0x640 [ 256.413667] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 256.418720] ? find_held_lock+0x36/0x1c0 [ 256.422794] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.427475] ? lock_downgrade+0x900/0x900 [ 256.431648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.437199] cache_grow_begin+0xa5/0x8c0 [ 256.441278] ? do_raw_spin_unlock+0xa7/0x330 [ 256.445729] fallback_alloc+0x204/0x2e0 [ 256.449754] ____cache_alloc_node+0x1c7/0x1e0 [ 256.454262] kmem_cache_alloc_node+0xe3/0x730 [ 256.458762] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.463023] __alloc_skb+0x119/0x770 [ 256.466743] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.472027] ? netdev_alloc_frag+0x1f0/0x1f0 [ 256.476470] ? lock_downgrade+0x900/0x900 [ 256.480684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.486227] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.491687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.497144] ? addrconf_rs_timer+0x690/0x690 [ 256.501585] ndisc_alloc_skb+0x144/0x340 [ 256.505663] ndisc_send_rs+0x331/0x6e0 [ 256.509583] addrconf_rs_timer+0x314/0x690 [ 256.513858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.518117] call_timer_fn+0x272/0x920 [ 256.522033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.526267] ? process_timeout+0x40/0x40 [ 256.530362] ? __run_timers+0x7da/0xc70 [ 256.534355] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.538851] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.543347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.547620] ? lockdep_hardirqs_on+0x296/0x5b0 [ 256.552221] ? trace_hardirqs_on+0xbd/0x310 [ 256.556566] ? kasan_check_read+0x11/0x20 [ 256.560732] ? __run_timers+0x7da/0xc70 [ 256.564720] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.569837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.574090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.578326] __run_timers+0x7e5/0xc70 [ 256.582489] ? timer_fixup_init+0x70/0x70 [ 256.586646] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.591668] ? zap_class+0x640/0x640 [ 256.595401] ? enqueue_hrtimer+0x1a5/0x560 [ 256.599658] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.604895] ? find_held_lock+0x36/0x1c0 [ 256.608978] ? zap_class+0x640/0x640 [ 256.612700] ? pvclock_read_flags+0x160/0x160 [ 256.617203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.622750] ? check_preemption_disabled+0x48/0x280 [ 256.627785] ? __lock_is_held+0xb5/0x140 [ 256.631856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.637423] ? check_preemption_disabled+0x48/0x280 [ 256.642490] run_timer_softirq+0x52/0xb0 [ 256.646570] ? rcu_read_lock_sched_held+0x14f/0x180 [ 256.651690] __do_softirq+0x308/0xb7e [ 256.655570] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 256.660085] ? lock_downgrade+0x900/0x900 [ 256.664246] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 256.669362] ? pvclock_read_flags+0x160/0x160 [ 256.673861] ? lapic_next_event+0x5a/0x90 [ 256.678014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.683563] ? kvm_clock_read+0x18/0x30 [ 256.687539] ? kvm_sched_clock_read+0x9/0x20 [ 256.691949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.697492] ? check_preemption_disabled+0x48/0x280 [ 256.702522] irq_exit+0x17f/0x1c0 [ 256.705977] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.710838] ? smp_reschedule_interrupt+0x109/0x650 [ 256.715985] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.721872] ? interrupt_entry+0xb5/0xc0 [ 256.725936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.730954] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.735975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.740820] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.745835] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.750853] ? task_prio+0x50/0x50 [ 256.754398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.759953] ? check_preemption_disabled+0x48/0x280 [ 256.764981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.769853] apic_timer_interrupt+0xf/0x20 [ 256.774085] [ 256.776340] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 256.782225] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 256.801123] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.808846] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 256.816127] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 256.823416] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 256.830690] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 256.837958] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 256.845264] ? save_stack+0xa9/0xd0 [ 256.848906] __kmalloc_node_track_caller+0x3c/0x70 [ 256.853844] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 256.858608] pskb_expand_head+0x230/0x10f0 [ 256.862852] ? memcpy+0x45/0x50 [ 256.866133] ? __copy_skb_header+0x350/0x6b0 [ 256.870577] ? skb_release_data+0x880/0x880 [ 256.874917] ? __alloc_skb+0x770/0x770 [ 256.878817] ? __lock_is_held+0xb5/0x140 [ 256.882914] ? kasan_check_write+0x14/0x20 [ 256.887163] ? __skb_clone+0x6c7/0xa00 [ 256.891063] ? __copy_skb_header+0x6b0/0x6b0 [ 256.895476] ? kmem_cache_alloc+0x33a/0x730 [ 256.899825] skb_ensure_writable+0x3dd/0x640 [ 256.904241] ? skb_checksum_setup+0xaa0/0xaa0 [ 256.908740] ? check_preemption_disabled+0x48/0x280 [ 256.913765] ? __this_cpu_preempt_check+0x1c/0x20 [ 256.918610] ? __bpf_redirect+0x54b/0xb20 [ 256.922768] bpf_clone_redirect+0x14a/0x490 [ 256.927103] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 256.932123] ? __sched_text_start+0x8/0x8 [ 256.936271] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 256.940858] ? retint_kernel+0x2d/0x2d [ 256.944747] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.949690] ? find_held_lock+0x36/0x1c0 [ 256.953779] ? lock_acquire+0x1ed/0x520 [ 256.957753] ? bpf_test_run+0x3cb/0x780 [ 256.961740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.967291] ? check_preemption_disabled+0x48/0x280 [ 256.972343] ? kasan_check_read+0x11/0x20 [ 256.976496] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.981789] ? rcu_softirq_qs+0x20/0x20 [ 256.985768] ? preempt_schedule+0x4d/0x60 [ 256.989930] ? ___preempt_schedule+0x16/0x18 [ 256.994347] ? bpf_test_run+0x25d/0x780 [ 256.998338] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.002754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.008296] ? bpf_test_init.isra.10+0x70/0x100 [ 257.012974] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 257.017740] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 257.022598] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.028135] ? fput+0x130/0x1a0 [ 257.031428] ? __bpf_prog_get+0x9b/0x290 [ 257.035502] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 257.040345] ? bpf_prog_test_run+0x130/0x1a0 [ 257.044755] ? __x64_sys_bpf+0x3d8/0x520 [ 257.048820] ? bpf_prog_get+0x20/0x20 [ 257.052641] ? do_syscall_64+0x1b9/0x820 [ 257.056708] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.062071] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.067007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.071865] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.076882] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.081903] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.086941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.091811] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.097203] warn_alloc_show_mem: 1 callbacks suppressed [ 257.097215] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 257.097217] Mem-Info: [ 257.097248] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 257.097248] active_file:12 inactive_file:13 isolated_file:0 [ 257.097248] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.097248] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 257.097248] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 257.097248] free:13733 free_pcp:586 free_cma:0 [ 257.102596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.109869] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.112268] Call Trace: [ 257.145131] 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 [ 257.154472] [ 257.181863] lowmem_reserve[]: 0 2818 6321 6321 [ 257.184456] dump_stack+0x244/0x39d [ 257.210538] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.212687] ? dump_stack_print_info.cold.1+0x20/0x20 [ 257.217241] lowmem_reserve[]: 0 0 3503 3503 [ 257.220872] warn_alloc.cold.116+0xb7/0x1bd [ 257.248439] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 257.253626] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.257922] lowmem_reserve[]: 0 0 0 0 [ 257.262271] ? lock_downgrade+0x900/0x900 [ 257.291233] 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 [ 257.296073] ? trace_hardirqs_off+0xb8/0x310 [ 257.299845] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 257.304003] ? trace_hardirqs_off+0xb8/0x310 [ 257.317499] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 257.321905] __alloc_pages_slowpath+0x26e8/0x2e10 [ 257.337231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.341644] ? warn_alloc+0x120/0x120 [ 257.355477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.360309] ? print_usage_bug+0xc0/0xc0 [ 257.369121] 269 total pagecache pages [ 257.372913] ? warn_alloc+0x120/0x120 [ 257.381469] 0 pages in swap cache [ 257.385517] ? warn_alloc+0x120/0x120 [ 257.389307] Swap cache stats: add 0, delete 0, find 0/0 [ 257.393095] ? print_usage_bug+0xc0/0xc0 [ 257.396528] Free swap = 0kB [ 257.400322] ? kvm_clock_read+0x18/0x30 [ 257.405677] Total swap = 0kB [ 257.409732] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.412725] 1965979 pages RAM [ 257.416692] ? print_usage_bug+0xc0/0xc0 [ 257.419707] 0 pages HighMem/MovableOnly [ 257.424718] ? __lock_acquire+0x62f/0x4c20 [ 257.427802] 342853 pages reserved [ 257.431870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.435822] 0 pages cma reserved [ 257.440049] ? should_fail+0x22d/0xd01 [ 257.443551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.449010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.449029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.452467] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.456261] ? __lock_acquire+0x62f/0x4c20 [ 257.462731] syz-executor0 cpuset=syz0 mems_allowed=0 [ 257.467999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.498004] ? __lock_acquire+0x62f/0x4c20 [ 257.502236] ? should_fail+0x22d/0xd01 [ 257.506117] ? rcu_irq_exit+0x1a2/0x390 [ 257.510148] ? mark_held_locks+0x130/0x130 [ 257.514390] ? mark_held_locks+0x130/0x130 [ 257.518637] ? mark_held_locks+0xc7/0x130 [ 257.522809] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 257.527828] ? zap_class+0x640/0x640 [ 257.531568] ? print_usage_bug+0xc0/0xc0 [ 257.535639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.541191] ? check_preemption_disabled+0x48/0x280 [ 257.546217] ? __lock_is_held+0xb5/0x140 [ 257.550284] __alloc_pages_nodemask+0xa80/0xde0 [ 257.554955] ? zap_class+0x640/0x640 [ 257.558675] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 257.563703] ? find_held_lock+0x36/0x1c0 [ 257.567778] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.572476] ? lock_downgrade+0x900/0x900 [ 257.576660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.582207] cache_grow_begin+0xa5/0x8c0 [ 257.586270] ? do_raw_spin_unlock+0xa7/0x330 [ 257.590690] fallback_alloc+0x204/0x2e0 [ 257.594674] ____cache_alloc_node+0x1c7/0x1e0 [ 257.599175] kmem_cache_alloc_node+0xe3/0x730 [ 257.603689] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.607953] __alloc_skb+0x119/0x770 [ 257.611667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.616962] ? netdev_alloc_frag+0x1f0/0x1f0 [ 257.621370] ? lock_downgrade+0x900/0x900 [ 257.625546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.631080] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.636535] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.642009] ? addrconf_rs_timer+0x690/0x690 [ 257.646440] ndisc_alloc_skb+0x144/0x340 [ 257.650511] ndisc_send_rs+0x331/0x6e0 [ 257.654430] addrconf_rs_timer+0x314/0x690 [ 257.658688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.662937] call_timer_fn+0x272/0x920 [ 257.666826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.671064] ? process_timeout+0x40/0x40 [ 257.675139] ? mark_held_locks+0xc7/0x130 [ 257.679293] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.683789] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.688279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.692532] ? lockdep_hardirqs_on+0x296/0x5b0 [ 257.697117] ? trace_hardirqs_on+0xbd/0x310 [ 257.701492] ? kasan_check_read+0x11/0x20 [ 257.705637] ? __run_timers+0x7da/0xc70 [ 257.709613] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.714721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.718976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.723224] __run_timers+0x7e5/0xc70 [ 257.727033] ? timer_fixup_init+0x70/0x70 [ 257.731186] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.736200] ? zap_class+0x640/0x640 [ 257.739919] ? print_usage_bug+0xc0/0xc0 [ 257.743985] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.749183] ? find_held_lock+0x36/0x1c0 [ 257.753263] ? zap_class+0x640/0x640 [ 257.756999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.762542] ? check_preemption_disabled+0x48/0x280 [ 257.767581] ? __lock_is_held+0xb5/0x140 [ 257.771657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.777197] ? check_preemption_disabled+0x48/0x280 [ 257.782226] run_timer_softirq+0x52/0xb0 [ 257.786291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 257.791325] __do_softirq+0x308/0xb7e [ 257.795138] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 257.799663] ? lock_downgrade+0x900/0x900 [ 257.803841] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 257.808976] ? pvclock_read_flags+0x160/0x160 [ 257.813484] ? lapic_next_event+0x5a/0x90 [ 257.817635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.823223] ? kvm_clock_read+0x18/0x30 [ 257.827214] ? kvm_sched_clock_read+0x9/0x20 [ 257.831626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.837169] ? check_preemption_disabled+0x48/0x280 [ 257.842207] irq_exit+0x17f/0x1c0 [ 257.845664] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.850518] ? smp_reschedule_interrupt+0x109/0x650 [ 257.855537] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.861427] ? interrupt_entry+0xb5/0xc0 [ 257.865551] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.870574] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.875594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.880445] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.885466] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.890509] ? task_prio+0x50/0x50 [ 257.894062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.899601] ? check_preemption_disabled+0x48/0x280 [ 257.904626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.909501] apic_timer_interrupt+0xf/0x20 [ 257.913723] [ 257.915993] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 257.921203] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 257.940112] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 257.947818] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 257.955085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 257.962353] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 257.969639] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 257.976907] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 257.984209] retint_kernel+0x1b/0x2d [ 257.987925] RIP: 0010:dump_stack+0x358/0x39d [ 257.992341] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 258.011241] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 258.018994] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 258.026260] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 258.033547] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 258.040815] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 258.048083] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 258.055376] ? dump_stack+0x34f/0x39d [ 258.059198] ? dump_stack_print_info.cold.1+0x20/0x20 [ 258.064401] dump_header+0x27b/0xf72 [ 258.068161] ? mark_held_locks+0x130/0x130 [ 258.072399] ? pagefault_out_of_memory+0x197/0x197 [ 258.077348] ? __lock_acquire+0x62f/0x4c20 [ 258.081588] ? zap_class+0x640/0x640 [ 258.085333] ? percpu_ref_get_many+0x240/0x240 [ 258.089944] ? print_usage_bug+0xc0/0xc0 [ 258.094011] ? print_usage_bug+0xc0/0xc0 [ 258.098076] ? zap_class+0x640/0x640 [ 258.101807] ? print_usage_bug+0xc0/0xc0 [ 258.105920] ? print_usage_bug+0xc0/0xc0 [ 258.109996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.115543] ? find_held_lock+0x36/0x1c0 [ 258.119617] ? mark_held_locks+0xc7/0x130 [ 258.123770] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.128875] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.133983] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.138572] ? trace_hardirqs_on+0xbd/0x310 [ 258.142897] ? kasan_check_read+0x11/0x20 [ 258.147050] ? ___ratelimit+0x3b4/0x672 [ 258.151026] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.156132] ? trace_hardirqs_on+0x310/0x310 [ 258.160543] ? lock_downgrade+0x900/0x900 [ 258.164698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.169829] ? ___ratelimit+0x3b9/0x672 [ 258.173811] ? idr_get_free+0xf70/0xf70 [ 258.177786] ? find_held_lock+0x36/0x1c0 [ 258.181858] oom_kill_process.cold.27+0x10/0x903 [ 258.186616] ? zap_class+0x640/0x640 [ 258.190346] ? check_preemption_disabled+0x48/0x280 [ 258.195381] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 258.200317] ? kasan_check_read+0x11/0x20 [ 258.204568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.209850] ? oom_evaluate_task+0x540/0x540 [ 258.214307] ? find_held_lock+0x36/0x1c0 [ 258.218381] ? out_of_memory+0x974/0x1430 [ 258.222538] ? lock_downgrade+0x900/0x900 [ 258.226728] ? check_preemption_disabled+0x48/0x280 [ 258.231754] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 258.236684] ? kasan_check_read+0x11/0x20 [ 258.240833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.246121] ? rcu_softirq_qs+0x20/0x20 [ 258.250101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.255639] ? oom_evaluate_task+0x302/0x540 [ 258.260055] out_of_memory+0xa84/0x1430 [ 258.264043] ? oom_killer_disable+0x3a0/0x3a0 [ 258.268559] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 258.273495] ? __ww_mutex_check_waiters+0x160/0x160 [ 258.278542] __alloc_pages_slowpath+0x2354/0x2e10 [ 258.283430] ? warn_alloc+0x120/0x120 [ 258.287240] ? warn_alloc+0x120/0x120 [ 258.291078] ? warn_alloc+0x120/0x120 [ 258.294876] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.299980] ? print_usage_bug+0xc0/0xc0 [ 258.304041] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.308629] ? print_usage_bug+0xc0/0xc0 [ 258.312694] ? print_usage_bug+0xc0/0xc0 [ 258.316774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.322312] ? should_fail+0x22d/0xd01 [ 258.326203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.331310] ? zap_class+0x640/0x640 [ 258.335061] ? __lock_is_held+0xb5/0x140 [ 258.339144] ? zap_class+0x640/0x640 [ 258.342875] ? lock_release+0xa00/0xa00 [ 258.346850] ? perf_trace_sched_process_exec+0x860/0x860 [ 258.352304] ? check_preemption_disabled+0x48/0x280 [ 258.357379] ? __might_sleep+0x95/0x190 [ 258.361367] __alloc_pages_nodemask+0xa80/0xde0 [ 258.366032] ? zap_class+0x640/0x640 [ 258.369750] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 258.374822] ? mark_held_locks+0xc7/0x130 [ 258.378986] ? cache_grow_begin+0x65/0x8c0 [ 258.383218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.387798] ? trace_hardirqs_on+0xbd/0x310 [ 258.392144] ? fallback_alloc+0x204/0x2e0 [ 258.396291] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.401402] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.406956] cache_grow_begin+0xa5/0x8c0 [ 258.411014] ? do_raw_spin_unlock+0xa7/0x330 [ 258.415437] fallback_alloc+0x204/0x2e0 [ 258.419462] ____cache_alloc_node+0x1c7/0x1e0 [ 258.423980] kmem_cache_alloc_node+0xe3/0x730 [ 258.428519] __alloc_skb+0x119/0x770 [ 258.432253] ? netdev_alloc_frag+0x1f0/0x1f0 [ 258.436669] ? if_nlmsg_size+0x5d1/0xbb0 [ 258.440749] ? rtnetlink_put_metrics+0x690/0x690 [ 258.445516] ? sk_psock_stop_strp+0x120/0x120 [ 258.450010] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.455051] ? netif_tx_stop_all_queues+0xd9/0x110 [ 258.460073] rtmsg_ifinfo_build_skb+0x74/0x190 [ 258.464711] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 258.469560] rtmsg_ifinfo+0x8c/0xa0 [ 258.473209] dev_close_many+0x3be/0x860 [ 258.477192] ? dev_fill_metadata_dst+0x840/0x840 [ 258.481965] ? find_held_lock+0x36/0x1c0 [ 258.486039] ? __queue_work+0x671/0x1440 [ 258.490106] ? lock_downgrade+0x900/0x900 [ 258.494263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.499799] ? rtnl_is_locked+0xb5/0xf0 [ 258.503774] ? rtnl_trylock+0x20/0x20 [ 258.507579] ? do_raw_spin_unlock+0xa7/0x330 [ 258.511991] ? do_raw_spin_trylock+0x270/0x270 [ 258.516583] rollback_registered_many+0x543/0x1250 [ 258.521522] ? generic_xdp_install+0x5a0/0x5a0 [ 258.526137] ? flush_rcu_work+0x90/0x90 [ 258.530133] ? zap_class+0x640/0x640 [ 258.533853] ? print_usage_bug+0xc0/0xc0 [ 258.537929] ? print_usage_bug+0xc0/0xc0 [ 258.542005] ? zap_class+0x640/0x640 [ 258.545725] ? print_usage_bug+0xc0/0xc0 [ 258.549791] ? find_held_lock+0x36/0x1c0 [ 258.553908] ? mark_held_locks+0xc7/0x130 [ 258.558076] rollback_registered+0x1e9/0x420 [ 258.562502] ? lockdep_hardirqs_on+0x321/0x5b0 [ 258.567085] ? rollback_registered_many+0x1250/0x1250 [ 258.572276] ? trace_hardirqs_on+0xbd/0x310 [ 258.576604] ? linkwatch_schedule_work+0x150/0x170 [ 258.581563] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.586819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.592358] ? rtnl_is_locked+0xb5/0xf0 [ 258.596335] ? rtnl_trylock+0x20/0x20 [ 258.600166] ? queue_delayed_work_on+0x130/0x1f0 [ 258.604976] unregister_netdevice_queue+0x321/0x5e0 [ 258.609995] ? rollback_registered+0x420/0x420 [ 258.614580] ? linkwatch_schedule_work+0x170/0x170 [ 258.619546] ? tun_setup+0x2d0/0x2d0 [ 258.623264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.628808] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 258.634206] ? __tun_detach+0x6ba/0x15c0 [ 258.638282] __tun_detach+0x11b8/0x15c0 [ 258.642477] ? __call_rcu.constprop.55+0x3ea/0x950 [ 258.647408] ? __call_rcu.constprop.55+0x3ea/0x950 [ 258.652355] ? tun_attach+0x1900/0x1900 [ 258.656347] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.661475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.667035] ? check_preemption_disabled+0x48/0x280 [ 258.672051] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.676652] ? zap_class+0x640/0x640 [ 258.680366] ? fsnotify+0x4e5/0xf20 [ 258.683999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.689540] ? locks_remove_file+0x3c6/0x5c0 [ 258.693958] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 258.699510] ? ima_file_free+0x132/0x650 [ 258.703580] ? __lock_is_held+0xb5/0x140 [ 258.707654] ? __tun_detach+0x15c0/0x15c0 [ 258.711826] ? __tun_detach+0x15c0/0x15c0 [ 258.716434] tun_chr_close+0xe3/0x180 [ 258.720246] __fput+0x385/0xa30 [ 258.723545] ? get_max_files+0x20/0x20 [ 258.727449] ? perf_trace_sched_process_exec+0x860/0x860 [ 258.732907] ____fput+0x15/0x20 [ 258.736189] task_work_run+0x1e8/0x2a0 [ 258.740094] ? task_work_cancel+0x240/0x240 [ 258.744428] ? switch_task_namespaces+0xb8/0xd0 [ 258.749106] do_exit+0x1ad6/0x26d0 [ 258.752659] ? mm_update_next_owner+0x990/0x990 [ 258.757330] ? print_usage_bug+0xc0/0xc0 [ 258.761393] ? find_held_lock+0x36/0x1c0 [ 258.765475] ? mark_held_locks+0x130/0x130 [ 258.769718] ? __lock_acquire+0x62f/0x4c20 [ 258.773958] ? pipe_wait+0x266/0x2c0 [ 258.777683] ? lock_release+0xa00/0xa00 [ 258.781687] ? mark_held_locks+0x130/0x130 [ 258.785938] ? __mutex_lock+0x85e/0x16f0 [ 258.789996] ? __switch_to_asm+0x40/0x70 [ 258.794058] ? pipe_wait+0x266/0x2c0 [ 258.797785] ? __switch_to_asm+0x34/0x70 [ 258.801848] ? __switch_to_asm+0x40/0x70 [ 258.805913] ? mutex_trylock+0x2b0/0x2b0 [ 258.809978] ? zap_class+0x640/0x640 [ 258.813707] ? zap_class+0x640/0x640 [ 258.817425] ? find_held_lock+0x36/0x1c0 [ 258.821512] ? memset+0x31/0x40 [ 258.824796] ? find_held_lock+0x36/0x1c0 [ 258.828898] ? get_signal+0x95b/0x1980 [ 258.832812] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.837305] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.841841] do_group_exit+0x177/0x440 [ 258.845729] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.850834] ? __ia32_sys_exit+0x50/0x50 [ 258.854918] get_signal+0x8b0/0x1980 [ 258.858674] ? ptrace_notify+0x130/0x130 [ 258.862756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.868304] ? pipe_read+0x702/0x940 [ 258.872015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.877595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.883132] ? __vfs_read+0x11f/0x9b0 [ 258.886938] do_signal+0x9c/0x21c0 [ 258.890492] ? fsnotify+0xf20/0xf20 [ 258.894123] ? setup_sigcontext+0x7d0/0x7d0 [ 258.898454] ? exit_to_usermode_loop+0x8c/0x380 [ 258.903123] ? exit_to_usermode_loop+0x8c/0x380 [ 258.907793] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.912373] ? trace_hardirqs_on+0xbd/0x310 [ 258.916698] ? do_syscall_64+0x6be/0x820 [ 258.920768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.926309] exit_to_usermode_loop+0x2e5/0x380 [ 258.930890] ? __bpf_trace_sys_exit+0x30/0x30 [ 258.935395] do_syscall_64+0x6be/0x820 [ 258.939287] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.944651] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.949592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.954447] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.959476] ? prepare_exit_to_usermode+0x291/0x3b0 [ 258.964528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.969377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.974562] RIP: 0033:0x410fa0 [ 258.977763] Code: Bad RIP value. [ 258.981121] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 258.988825] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 258.996097] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 259.003368] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 259.010635] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 259.017904] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 259.025204] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 259.025272] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.032572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.032580] Call Trace: [ 259.039184] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.048449] [ 259.051019] syz-executor5 cpuset=syz5 mems_allowed=0 [ 259.061499] dump_stack+0x244/0x39d [ 259.072335] ? dump_stack_print_info.cold.1+0x20/0x20 [ 259.077542] warn_alloc.cold.116+0xb7/0x1bd [ 259.081906] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.086792] ? lock_downgrade+0x900/0x900 [ 259.090945] ? trace_hardirqs_off+0xb8/0x310 [ 259.095359] ? trace_hardirqs_off+0xb8/0x310 [ 259.099774] __alloc_pages_slowpath+0x26e8/0x2e10 [ 259.104647] ? warn_alloc+0x120/0x120 [ 259.108469] ? print_usage_bug+0xc0/0xc0 [ 259.112547] ? warn_alloc+0x120/0x120 [ 259.116356] ? warn_alloc+0x120/0x120 [ 259.120161] ? print_usage_bug+0xc0/0xc0 [ 259.124229] ? print_usage_bug+0xc0/0xc0 [ 259.128297] ? __lock_acquire+0x62f/0x4c20 [ 259.132538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.138073] ? should_fail+0x22d/0xd01 [ 259.141970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.147074] ? __lock_acquire+0x62f/0x4c20 [ 259.151325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.156453] ? __lock_acquire+0x62f/0x4c20 [ 259.160697] ? should_fail+0x22d/0xd01 [ 259.164630] ? find_held_lock+0x36/0x1c0 [ 259.168699] ? mark_held_locks+0x130/0x130 [ 259.172976] ? mark_held_locks+0x130/0x130 [ 259.177210] ? zap_class+0x640/0x640 [ 259.180929] ? zap_class+0x640/0x640 [ 259.184651] ? print_usage_bug+0xc0/0xc0 [ 259.188721] ? do_raw_spin_unlock+0xa7/0x330 [ 259.193130] ? zap_class+0x640/0x640 [ 259.196844] ? print_usage_bug+0xc0/0xc0 [ 259.200907] ? wq_watchdog_touch+0x9c/0xfe [ 259.205163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.210702] ? check_preemption_disabled+0x48/0x280 [ 259.215731] ? __lock_is_held+0xb5/0x140 [ 259.219827] __alloc_pages_nodemask+0xa80/0xde0 [ 259.224518] ? zap_class+0x640/0x640 [ 259.228253] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 259.233283] ? find_held_lock+0x36/0x1c0 [ 259.237365] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.242054] ? lock_downgrade+0x900/0x900 [ 259.246213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.251775] cache_grow_begin+0xa5/0x8c0 [ 259.255842] ? do_raw_spin_unlock+0xa7/0x330 [ 259.260272] fallback_alloc+0x204/0x2e0 [ 259.264252] ____cache_alloc_node+0x1c7/0x1e0 [ 259.268763] kmem_cache_alloc_node+0xe3/0x730 [ 259.273265] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.277529] __alloc_skb+0x119/0x770 [ 259.281246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.286541] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.290953] ? lock_downgrade+0x900/0x900 [ 259.295110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.300650] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.306107] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.311558] ? addrconf_rs_timer+0x690/0x690 [ 259.315981] ndisc_alloc_skb+0x144/0x340 [ 259.320050] ndisc_send_rs+0x331/0x6e0 [ 259.323944] addrconf_rs_timer+0x314/0x690 [ 259.328182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.332450] call_timer_fn+0x272/0x920 [ 259.336338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.340575] ? process_timeout+0x40/0x40 [ 259.344641] ? __run_timers+0x7da/0xc70 [ 259.348621] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.353159] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.357655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.361886] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.366478] ? trace_hardirqs_on+0xbd/0x310 [ 259.370809] ? kasan_check_read+0x11/0x20 [ 259.374957] ? __run_timers+0x7da/0xc70 [ 259.378934] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.384041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.388280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.392533] __run_timers+0x7e5/0xc70 [ 259.396361] ? timer_fixup_init+0x70/0x70 [ 259.400512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.405527] ? zap_class+0x640/0x640 [ 259.409268] ? enqueue_hrtimer+0x1a5/0x560 [ 259.413503] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.418705] ? find_held_lock+0x36/0x1c0 [ 259.422770] ? zap_class+0x640/0x640 [ 259.426489] ? pvclock_read_flags+0x160/0x160 [ 259.430997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.436533] ? check_preemption_disabled+0x48/0x280 [ 259.441556] ? __lock_is_held+0xb5/0x140 [ 259.445648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.451181] ? check_preemption_disabled+0x48/0x280 [ 259.456217] run_timer_softirq+0x52/0xb0 [ 259.460286] ? rcu_read_lock_sched_held+0x14f/0x180 [ 259.465311] __do_softirq+0x308/0xb7e [ 259.469126] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 259.473644] ? lock_downgrade+0x900/0x900 [ 259.477800] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 259.482913] ? pvclock_read_flags+0x160/0x160 [ 259.487423] ? lapic_next_event+0x5a/0x90 [ 259.491612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.497152] ? kvm_clock_read+0x18/0x30 [ 259.501127] ? kvm_sched_clock_read+0x9/0x20 [ 259.505539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.511094] ? check_preemption_disabled+0x48/0x280 [ 259.516120] irq_exit+0x17f/0x1c0 [ 259.519576] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.524424] ? smp_reschedule_interrupt+0x109/0x650 [ 259.529455] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.535342] ? interrupt_entry+0xb5/0xc0 [ 259.539453] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.544504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.549524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.554370] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.559387] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.564420] ? task_prio+0x50/0x50 [ 259.567970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.573526] ? check_preemption_disabled+0x48/0x280 [ 259.578564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.583454] apic_timer_interrupt+0xf/0x20 [ 259.587680] [ 259.589934] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 259.595820] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 259.614723] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 259.622461] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 259.629731] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 259.637008] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 259.644275] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 259.651561] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 259.658858] ? save_stack+0xa9/0xd0 [ 259.662515] __kmalloc_node_track_caller+0x3c/0x70 [ 259.667480] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 259.672243] pskb_expand_head+0x230/0x10f0 [ 259.676498] ? memcpy+0x45/0x50 [ 259.679782] ? __copy_skb_header+0x350/0x6b0 [ 259.684191] ? skb_release_data+0x880/0x880 [ 259.688521] ? __alloc_skb+0x770/0x770 [ 259.692430] ? __lock_is_held+0xb5/0x140 [ 259.696507] ? kasan_check_write+0x14/0x20 [ 259.700743] ? __skb_clone+0x6c7/0xa00 [ 259.704632] ? __copy_skb_header+0x6b0/0x6b0 [ 259.709050] ? kmem_cache_alloc+0x33a/0x730 [ 259.713389] skb_ensure_writable+0x3dd/0x640 [ 259.717812] ? skb_checksum_setup+0xaa0/0xaa0 [ 259.722327] ? check_preemption_disabled+0x48/0x280 [ 259.727364] ? __this_cpu_preempt_check+0x1c/0x20 [ 259.732222] ? __bpf_redirect+0x54b/0xb20 [ 259.736377] bpf_clone_redirect+0x14a/0x490 [ 259.740755] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 259.745774] ? __sched_text_start+0x8/0x8 [ 259.749953] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 259.754537] ? retint_kernel+0x2d/0x2d [ 259.758438] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.763374] ? find_held_lock+0x36/0x1c0 [ 259.767454] ? lock_acquire+0x1ed/0x520 [ 259.771443] ? bpf_test_run+0x3cb/0x780 [ 259.775450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.781000] ? check_preemption_disabled+0x48/0x280 [ 259.786032] ? kasan_check_read+0x11/0x20 [ 259.790184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.795478] ? rcu_softirq_qs+0x20/0x20 [ 259.799460] ? preempt_schedule+0x4d/0x60 [ 259.803654] ? ___preempt_schedule+0x16/0x18 [ 259.808072] ? bpf_test_run+0x25d/0x780 [ 259.812059] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.816475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.822038] ? bpf_test_init.isra.10+0x70/0x100 [ 259.826714] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 259.831504] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 259.836357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.841903] ? fput+0x130/0x1a0 [ 259.845183] ? __bpf_prog_get+0x9b/0x290 [ 259.849265] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 259.854108] ? bpf_prog_test_run+0x130/0x1a0 [ 259.858518] ? __x64_sys_bpf+0x3d8/0x520 [ 259.862579] ? bpf_prog_get+0x20/0x20 [ 259.866421] ? do_syscall_64+0x1b9/0x820 [ 259.870502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.875865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.880792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.885658] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.890676] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.895706] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.900747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.905601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.910989] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 259.910995] warn_alloc_show_mem: 1 callbacks suppressed [ 259.911001] Mem-Info: [ 259.918277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.923658] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 259.923658] active_file:12 inactive_file:13 isolated_file:0 [ 259.923658] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.923658] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 259.923658] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 259.923658] free:13733 free_pcp:586 free_cma:0 [ 259.926031] Call Trace: [ 259.935435] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.968278] [ 259.970859] 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 [ 259.998268] dump_stack+0x244/0x39d [ 260.000388] lowmem_reserve[]: 0 2818 6321 6321 [ 260.026500] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.030099] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.034685] warn_alloc.cold.116+0xb7/0x1bd [ 260.039840] lowmem_reserve[]: 0 0 3503 3503 [ 260.067429] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.071728] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 260.076045] ? lock_downgrade+0x900/0x900 [ 260.080862] lowmem_reserve[]: 0 0 0 0 [ 260.109872] ? trace_hardirqs_off+0xb8/0x310 [ 260.113995] 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 [ 260.117792] ? trace_hardirqs_off+0xb8/0x310 [ 260.122205] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 260.135760] __alloc_pages_slowpath+0x26e8/0x2e10 [ 260.140139] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 260.155504] ? warn_alloc+0x120/0x120 [ 260.160303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.174162] ? print_usage_bug+0xc0/0xc0 [ 260.177949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.186770] ? warn_alloc+0x120/0x120 [ 260.190814] 269 total pagecache pages [ 260.199382] ? warn_alloc+0x120/0x120 [ 260.203181] 0 pages in swap cache [ 260.206970] ? print_usage_bug+0xc0/0xc0 [ 260.210750] Swap cache stats: add 0, delete 0, find 0/0 [ 260.214206] ? kvm_clock_read+0x18/0x30 [ 260.218241] Free swap = 0kB [ 260.223601] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.227568] Total swap = 0kB [ 260.230582] ? print_usage_bug+0xc0/0xc0 [ 260.235576] 1965979 pages RAM [ 260.238588] ? __lock_acquire+0x62f/0x4c20 [ 260.242623] 0 pages HighMem/MovableOnly [ 260.245728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.249941] 342853 pages reserved [ 260.253908] ? should_fail+0x22d/0xd01 [ 260.259424] 0 pages cma reserved [ 260.262867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.262886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.266855] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.270156] ? __lock_acquire+0x62f/0x4c20 [ 260.275520] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.280523] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.287008] syz-executor0 cpuset=syz0 mems_allowed=0 [ 260.291236] ? __lock_acquire+0x62f/0x4c20 [ 260.316126] ? should_fail+0x22d/0xd01 [ 260.320025] ? rcu_irq_exit+0x1a2/0x390 [ 260.324010] ? mark_held_locks+0x130/0x130 [ 260.328264] ? mark_held_locks+0x130/0x130 [ 260.332516] ? mark_held_locks+0xc7/0x130 [ 260.336680] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 260.341716] ? zap_class+0x640/0x640 [ 260.345437] ? print_usage_bug+0xc0/0xc0 [ 260.349523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.355086] ? check_preemption_disabled+0x48/0x280 [ 260.360126] ? __lock_is_held+0xb5/0x140 [ 260.364196] __alloc_pages_nodemask+0xa80/0xde0 [ 260.368876] ? zap_class+0x640/0x640 [ 260.372595] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 260.377671] ? find_held_lock+0x36/0x1c0 [ 260.381754] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.386435] ? lock_downgrade+0x900/0x900 [ 260.390675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.396231] cache_grow_begin+0xa5/0x8c0 [ 260.400305] ? do_raw_spin_unlock+0xa7/0x330 [ 260.404720] fallback_alloc+0x204/0x2e0 [ 260.408702] ____cache_alloc_node+0x1c7/0x1e0 [ 260.413204] kmem_cache_alloc_node+0xe3/0x730 [ 260.417703] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.421954] __alloc_skb+0x119/0x770 [ 260.425668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.430954] ? netdev_alloc_frag+0x1f0/0x1f0 [ 260.435374] ? lock_downgrade+0x900/0x900 [ 260.439534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.445074] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.450529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.455981] ? addrconf_rs_timer+0x690/0x690 [ 260.460422] ndisc_alloc_skb+0x144/0x340 [ 260.464495] ndisc_send_rs+0x331/0x6e0 [ 260.468388] addrconf_rs_timer+0x314/0x690 [ 260.472651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.476913] call_timer_fn+0x272/0x920 [ 260.480805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.485040] ? process_timeout+0x40/0x40 [ 260.489109] ? mark_held_locks+0xc7/0x130 [ 260.493258] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.497765] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.502252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.506496] ? lockdep_hardirqs_on+0x296/0x5b0 [ 260.511080] ? trace_hardirqs_on+0xbd/0x310 [ 260.515416] ? kasan_check_read+0x11/0x20 [ 260.519577] ? __run_timers+0x7da/0xc70 [ 260.523559] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.528696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.532938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.537170] __run_timers+0x7e5/0xc70 [ 260.540982] ? timer_fixup_init+0x70/0x70 [ 260.545135] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.550151] ? zap_class+0x640/0x640 [ 260.553889] ? print_usage_bug+0xc0/0xc0 [ 260.557969] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.563165] ? find_held_lock+0x36/0x1c0 [ 260.567231] ? zap_class+0x640/0x640 [ 260.570960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.576501] ? check_preemption_disabled+0x48/0x280 [ 260.581527] ? __lock_is_held+0xb5/0x140 [ 260.585707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.591248] ? check_preemption_disabled+0x48/0x280 [ 260.596269] run_timer_softirq+0x52/0xb0 [ 260.600363] ? rcu_read_lock_sched_held+0x14f/0x180 [ 260.605380] __do_softirq+0x308/0xb7e [ 260.609218] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 260.613714] ? lock_downgrade+0x900/0x900 [ 260.617878] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 260.622990] ? pvclock_read_flags+0x160/0x160 [ 260.627488] ? lapic_next_event+0x5a/0x90 [ 260.631655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.637204] ? kvm_clock_read+0x18/0x30 [ 260.641196] ? kvm_sched_clock_read+0x9/0x20 [ 260.645626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.651189] ? check_preemption_disabled+0x48/0x280 [ 260.656227] irq_exit+0x17f/0x1c0 [ 260.659689] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.664543] ? smp_reschedule_interrupt+0x109/0x650 [ 260.669568] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.675483] ? interrupt_entry+0xb5/0xc0 [ 260.679567] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.684590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.689611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.694473] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.699495] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.704521] ? task_prio+0x50/0x50 [ 260.708065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.714003] ? check_preemption_disabled+0x48/0x280 [ 260.719030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.723883] apic_timer_interrupt+0xf/0x20 [ 260.728112] [ 260.730351] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 260.735555] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 260.754474] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.762180] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 260.769468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 260.776733] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 260.784017] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 260.791284] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 260.798596] retint_kernel+0x1b/0x2d [ 260.802313] RIP: 0010:dump_stack+0x358/0x39d [ 260.806719] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 260.825650] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 260.833373] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 260.840638] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 260.847939] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 260.855207] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 260.862471] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 260.869768] ? dump_stack+0x34f/0x39d [ 260.873581] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.878783] dump_header+0x27b/0xf72 [ 260.882522] ? mark_held_locks+0x130/0x130 [ 260.886762] ? pagefault_out_of_memory+0x197/0x197 [ 260.891699] ? __lock_acquire+0x62f/0x4c20 [ 260.895938] ? zap_class+0x640/0x640 [ 260.899655] ? percpu_ref_get_many+0x240/0x240 [ 260.904241] ? print_usage_bug+0xc0/0xc0 [ 260.908305] ? print_usage_bug+0xc0/0xc0 [ 260.912372] ? zap_class+0x640/0x640 [ 260.916104] ? print_usage_bug+0xc0/0xc0 [ 260.920181] ? print_usage_bug+0xc0/0xc0 [ 260.924252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.929794] ? find_held_lock+0x36/0x1c0 [ 260.933880] ? mark_held_locks+0xc7/0x130 [ 260.938036] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.943140] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.948258] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.952842] ? trace_hardirqs_on+0xbd/0x310 [ 260.957165] ? kasan_check_read+0x11/0x20 [ 260.961322] ? ___ratelimit+0x3b4/0x672 [ 260.965298] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.970403] ? trace_hardirqs_on+0x310/0x310 [ 260.974826] ? lock_downgrade+0x900/0x900 [ 260.978983] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.984097] ? ___ratelimit+0x3b9/0x672 [ 260.988078] ? idr_get_free+0xf70/0xf70 [ 260.992055] ? find_held_lock+0x36/0x1c0 [ 260.996137] oom_kill_process.cold.27+0x10/0x903 [ 261.000923] ? zap_class+0x640/0x640 [ 261.004662] ? check_preemption_disabled+0x48/0x280 [ 261.009704] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 261.014637] ? kasan_check_read+0x11/0x20 [ 261.018806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.024095] ? oom_evaluate_task+0x540/0x540 [ 261.028511] ? find_held_lock+0x36/0x1c0 [ 261.032590] ? out_of_memory+0x974/0x1430 [ 261.036743] ? lock_downgrade+0x900/0x900 [ 261.040892] ? check_preemption_disabled+0x48/0x280 [ 261.045949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 261.050910] ? kasan_check_read+0x11/0x20 [ 261.055074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.060351] ? rcu_softirq_qs+0x20/0x20 [ 261.064344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.069882] ? oom_evaluate_task+0x302/0x540 [ 261.074326] out_of_memory+0xa84/0x1430 [ 261.078308] ? oom_killer_disable+0x3a0/0x3a0 [ 261.082819] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 261.087784] ? __ww_mutex_check_waiters+0x160/0x160 [ 261.092815] __alloc_pages_slowpath+0x2354/0x2e10 [ 261.097694] ? warn_alloc+0x120/0x120 [ 261.101517] ? warn_alloc+0x120/0x120 [ 261.105324] ? warn_alloc+0x120/0x120 [ 261.109126] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.114228] ? print_usage_bug+0xc0/0xc0 [ 261.118287] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.122873] ? print_usage_bug+0xc0/0xc0 [ 261.126943] ? print_usage_bug+0xc0/0xc0 [ 261.131006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.136556] ? should_fail+0x22d/0xd01 [ 261.140452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.145575] ? zap_class+0x640/0x640 [ 261.149339] ? __lock_is_held+0xb5/0x140 [ 261.153420] ? zap_class+0x640/0x640 [ 261.157141] ? lock_release+0xa00/0xa00 [ 261.161130] ? perf_trace_sched_process_exec+0x860/0x860 [ 261.166581] ? check_preemption_disabled+0x48/0x280 [ 261.171607] ? __might_sleep+0x95/0x190 [ 261.175591] __alloc_pages_nodemask+0xa80/0xde0 [ 261.180265] ? zap_class+0x640/0x640 [ 261.184000] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 261.189025] ? mark_held_locks+0xc7/0x130 [ 261.193181] ? cache_grow_begin+0x65/0x8c0 [ 261.197423] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.202023] ? trace_hardirqs_on+0xbd/0x310 [ 261.206343] ? fallback_alloc+0x204/0x2e0 [ 261.210499] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.215607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.221153] cache_grow_begin+0xa5/0x8c0 [ 261.225214] ? do_raw_spin_unlock+0xa7/0x330 [ 261.229635] fallback_alloc+0x204/0x2e0 [ 261.233622] ____cache_alloc_node+0x1c7/0x1e0 [ 261.238126] kmem_cache_alloc_node+0xe3/0x730 [ 261.242633] __alloc_skb+0x119/0x770 [ 261.246377] ? netdev_alloc_frag+0x1f0/0x1f0 [ 261.250812] ? if_nlmsg_size+0x5d1/0xbb0 [ 261.254883] ? rtnetlink_put_metrics+0x690/0x690 [ 261.259649] ? sk_psock_stop_strp+0x120/0x120 [ 261.264143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.269167] ? netif_tx_stop_all_queues+0xd9/0x110 [ 261.274101] rtmsg_ifinfo_build_skb+0x74/0x190 [ 261.278700] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 261.283582] rtmsg_ifinfo+0x8c/0xa0 [ 261.287235] dev_close_many+0x3be/0x860 [ 261.291220] ? dev_fill_metadata_dst+0x840/0x840 [ 261.295986] ? find_held_lock+0x36/0x1c0 [ 261.300054] ? __queue_work+0x671/0x1440 [ 261.304136] ? lock_downgrade+0x900/0x900 [ 261.308305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.313840] ? rtnl_is_locked+0xb5/0xf0 [ 261.317814] ? rtnl_trylock+0x20/0x20 [ 261.321613] ? do_raw_spin_unlock+0xa7/0x330 [ 261.326022] ? do_raw_spin_trylock+0x270/0x270 [ 261.330609] rollback_registered_many+0x543/0x1250 [ 261.335561] ? generic_xdp_install+0x5a0/0x5a0 [ 261.340150] ? flush_rcu_work+0x90/0x90 [ 261.344123] ? zap_class+0x640/0x640 [ 261.347876] ? print_usage_bug+0xc0/0xc0 [ 261.351954] ? print_usage_bug+0xc0/0xc0 [ 261.356029] ? zap_class+0x640/0x640 [ 261.359748] ? print_usage_bug+0xc0/0xc0 [ 261.363826] ? find_held_lock+0x36/0x1c0 [ 261.367901] ? mark_held_locks+0xc7/0x130 [ 261.372061] rollback_registered+0x1e9/0x420 [ 261.376466] ? lockdep_hardirqs_on+0x321/0x5b0 [ 261.381061] ? rollback_registered_many+0x1250/0x1250 [ 261.386247] ? trace_hardirqs_on+0xbd/0x310 [ 261.390571] ? linkwatch_schedule_work+0x150/0x170 [ 261.395502] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.400610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.406144] ? rtnl_is_locked+0xb5/0xf0 [ 261.410123] ? rtnl_trylock+0x20/0x20 [ 261.413945] ? queue_delayed_work_on+0x130/0x1f0 [ 261.418722] unregister_netdevice_queue+0x321/0x5e0 [ 261.423751] ? rollback_registered+0x420/0x420 [ 261.428335] ? linkwatch_schedule_work+0x170/0x170 [ 261.433268] ? tun_setup+0x2d0/0x2d0 [ 261.436983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.442536] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 261.447915] ? __tun_detach+0x6ba/0x15c0 [ 261.452002] __tun_detach+0x11b8/0x15c0 [ 261.455975] ? __call_rcu.constprop.55+0x3ea/0x950 [ 261.460902] ? __call_rcu.constprop.55+0x3ea/0x950 [ 261.465842] ? tun_attach+0x1900/0x1900 [ 261.469812] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.474919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.480461] ? check_preemption_disabled+0x48/0x280 [ 261.485490] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.490092] ? zap_class+0x640/0x640 [ 261.493812] ? fsnotify+0x4e5/0xf20 [ 261.497441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.502978] ? locks_remove_file+0x3c6/0x5c0 [ 261.507384] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 261.512926] ? ima_file_free+0x132/0x650 [ 261.516997] ? __lock_is_held+0xb5/0x140 [ 261.521060] ? __tun_detach+0x15c0/0x15c0 [ 261.525213] ? __tun_detach+0x15c0/0x15c0 [ 261.529368] tun_chr_close+0xe3/0x180 [ 261.533170] __fput+0x385/0xa30 [ 261.536456] ? get_max_files+0x20/0x20 [ 261.540361] ? perf_trace_sched_process_exec+0x860/0x860 [ 261.545818] ____fput+0x15/0x20 [ 261.549097] task_work_run+0x1e8/0x2a0 [ 261.552984] ? task_work_cancel+0x240/0x240 [ 261.557310] ? switch_task_namespaces+0xb8/0xd0 [ 261.561983] do_exit+0x1ad6/0x26d0 [ 261.565534] ? mm_update_next_owner+0x990/0x990 [ 261.570205] ? print_usage_bug+0xc0/0xc0 [ 261.574286] ? find_held_lock+0x36/0x1c0 [ 261.578364] ? mark_held_locks+0x130/0x130 [ 261.582609] ? __lock_acquire+0x62f/0x4c20 [ 261.586841] ? pipe_wait+0x266/0x2c0 [ 261.590565] ? lock_release+0xa00/0xa00 [ 261.594551] ? mark_held_locks+0x130/0x130 [ 261.598798] ? __mutex_lock+0x85e/0x16f0 [ 261.602860] ? __switch_to_asm+0x40/0x70 [ 261.606921] ? pipe_wait+0x266/0x2c0 [ 261.610643] ? __switch_to_asm+0x34/0x70 [ 261.614713] ? __switch_to_asm+0x40/0x70 [ 261.619131] ? mutex_trylock+0x2b0/0x2b0 [ 261.623199] ? zap_class+0x640/0x640 [ 261.626990] ? zap_class+0x640/0x640 [ 261.630737] ? find_held_lock+0x36/0x1c0 [ 261.634811] ? memset+0x31/0x40 [ 261.638098] ? find_held_lock+0x36/0x1c0 [ 261.642169] ? get_signal+0x95b/0x1980 [ 261.646059] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.650553] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.655059] do_group_exit+0x177/0x440 [ 261.658958] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.664065] ? __ia32_sys_exit+0x50/0x50 [ 261.668138] get_signal+0x8b0/0x1980 [ 261.671864] ? ptrace_notify+0x130/0x130 [ 261.675952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.681516] ? pipe_read+0x702/0x940 [ 261.685234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.690787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.696326] ? __vfs_read+0x11f/0x9b0 [ 261.700136] do_signal+0x9c/0x21c0 [ 261.703699] ? fsnotify+0xf20/0xf20 [ 261.707337] ? setup_sigcontext+0x7d0/0x7d0 [ 261.711672] ? exit_to_usermode_loop+0x8c/0x380 [ 261.716344] ? exit_to_usermode_loop+0x8c/0x380 [ 261.721363] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.725951] ? trace_hardirqs_on+0xbd/0x310 [ 261.730274] ? do_syscall_64+0x6be/0x820 [ 261.734343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.739902] exit_to_usermode_loop+0x2e5/0x380 [ 261.744492] ? __bpf_trace_sys_exit+0x30/0x30 [ 261.749006] do_syscall_64+0x6be/0x820 [ 261.752911] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.758282] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.763211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.768113] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.773155] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.778193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.783047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.788247] RIP: 0033:0x410fa0 [ 261.791465] Code: Bad RIP value. [ 261.794840] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 261.802548] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 261.809814] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 261.817079] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 261.824376] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 261.831654] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 261.838951] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 261.839020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.846317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.846322] Call Trace: [ 261.846340] [ 261.846359] dump_stack+0x244/0x39d [ 261.846377] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.852898] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.862202] warn_alloc.cold.116+0xb7/0x1bd [ 261.864759] syz-executor5 cpuset=syz5 mems_allowed=0 [ 261.866902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.900378] ? lock_downgrade+0x900/0x900 [ 261.904553] ? trace_hardirqs_off+0xb8/0x310 [ 261.908988] ? trace_hardirqs_off+0xb8/0x310 [ 261.913399] __alloc_pages_slowpath+0x26e8/0x2e10 [ 261.918308] ? warn_alloc+0x120/0x120 [ 261.922110] ? print_usage_bug+0xc0/0xc0 [ 261.926172] ? warn_alloc+0x120/0x120 [ 261.929976] ? warn_alloc+0x120/0x120 [ 261.933776] ? print_usage_bug+0xc0/0xc0 [ 261.937853] ? kvm_clock_read+0x18/0x30 [ 261.941832] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.946849] ? print_usage_bug+0xc0/0xc0 [ 261.950913] ? __lock_acquire+0x62f/0x4c20 [ 261.955160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.960703] ? should_fail+0x22d/0xd01 [ 261.964594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.969876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.974981] ? __lock_acquire+0x62f/0x4c20 [ 261.979240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.984346] ? __lock_acquire+0x62f/0x4c20 [ 261.988579] ? should_fail+0x22d/0xd01 [ 261.992498] ? rcu_irq_exit+0x1a2/0x390 [ 261.996485] ? mark_held_locks+0x130/0x130 [ 262.000727] ? mark_held_locks+0x130/0x130 [ 262.004974] ? mark_held_locks+0xc7/0x130 [ 262.009122] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 262.014137] ? zap_class+0x640/0x640 [ 262.017851] ? print_usage_bug+0xc0/0xc0 [ 262.021931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.027494] ? check_preemption_disabled+0x48/0x280 [ 262.032526] ? __lock_is_held+0xb5/0x140 [ 262.036596] __alloc_pages_nodemask+0xa80/0xde0 [ 262.041266] ? zap_class+0x640/0x640 [ 262.045032] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 262.050106] ? find_held_lock+0x36/0x1c0 [ 262.054193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.058872] ? lock_downgrade+0x900/0x900 [ 262.063031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.068593] cache_grow_begin+0xa5/0x8c0 [ 262.072657] ? do_raw_spin_unlock+0xa7/0x330 [ 262.077075] fallback_alloc+0x204/0x2e0 [ 262.081072] ____cache_alloc_node+0x1c7/0x1e0 [ 262.085588] kmem_cache_alloc_node+0xe3/0x730 [ 262.090099] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.094390] __alloc_skb+0x119/0x770 [ 262.098124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.103406] ? netdev_alloc_frag+0x1f0/0x1f0 [ 262.107865] ? lock_downgrade+0x900/0x900 [ 262.112037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.117578] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.123036] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.128486] ? addrconf_rs_timer+0x690/0x690 [ 262.132906] ndisc_alloc_skb+0x144/0x340 [ 262.136974] ndisc_send_rs+0x331/0x6e0 [ 262.140871] addrconf_rs_timer+0x314/0x690 [ 262.145113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.149383] call_timer_fn+0x272/0x920 [ 262.153302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.157567] ? process_timeout+0x40/0x40 [ 262.161637] ? __run_timers+0x7da/0xc70 [ 262.165613] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.170105] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.174629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.178864] ? lockdep_hardirqs_on+0x296/0x5b0 [ 262.183462] ? trace_hardirqs_on+0xbd/0x310 [ 262.187799] ? kasan_check_read+0x11/0x20 [ 262.191962] ? __run_timers+0x7da/0xc70 [ 262.195937] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.201082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.205321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.209564] __run_timers+0x7e5/0xc70 [ 262.213378] ? timer_fixup_init+0x70/0x70 [ 262.217562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.222578] ? zap_class+0x640/0x640 [ 262.226293] ? enqueue_hrtimer+0x1a5/0x560 [ 262.230542] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.235738] ? find_held_lock+0x36/0x1c0 [ 262.239818] ? zap_class+0x640/0x640 [ 262.243541] ? pvclock_read_flags+0x160/0x160 [ 262.248038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.253581] ? check_preemption_disabled+0x48/0x280 [ 262.258657] ? __lock_is_held+0xb5/0x140 [ 262.262723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.268268] ? check_preemption_disabled+0x48/0x280 [ 262.273287] run_timer_softirq+0x52/0xb0 [ 262.277346] ? rcu_read_lock_sched_held+0x14f/0x180 [ 262.282374] __do_softirq+0x308/0xb7e [ 262.286200] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 262.290696] ? lock_downgrade+0x900/0x900 [ 262.294848] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 262.299960] ? pvclock_read_flags+0x160/0x160 [ 262.304460] ? lapic_next_event+0x5a/0x90 [ 262.308612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.314189] ? kvm_clock_read+0x18/0x30 [ 262.318178] ? kvm_sched_clock_read+0x9/0x20 [ 262.322590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.328128] ? check_preemption_disabled+0x48/0x280 [ 262.333152] irq_exit+0x17f/0x1c0 [ 262.336620] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.341468] ? smp_reschedule_interrupt+0x109/0x650 [ 262.346485] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.352369] ? interrupt_entry+0xb5/0xc0 [ 262.356454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.361470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.366489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.371335] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.376350] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.381365] ? task_prio+0x50/0x50 [ 262.384934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.390471] ? check_preemption_disabled+0x48/0x280 [ 262.395495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.400354] apic_timer_interrupt+0xf/0x20 [ 262.404591] [ 262.406828] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 262.412709] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 262.431610] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 262.439328] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.446593] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 262.453862] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 262.461129] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 262.468453] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 262.475766] ? save_stack+0xa9/0xd0 [ 262.479418] __kmalloc_node_track_caller+0x3c/0x70 [ 262.484360] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 262.489124] pskb_expand_head+0x230/0x10f0 [ 262.493367] ? memcpy+0x45/0x50 [ 262.496673] ? __copy_skb_header+0x350/0x6b0 [ 262.501100] ? skb_release_data+0x880/0x880 [ 262.505438] ? __alloc_skb+0x770/0x770 [ 262.509341] ? __lock_is_held+0xb5/0x140 [ 262.513424] ? kasan_check_write+0x14/0x20 [ 262.517669] ? __skb_clone+0x6c7/0xa00 [ 262.521564] ? __copy_skb_header+0x6b0/0x6b0 [ 262.525990] ? kmem_cache_alloc+0x33a/0x730 [ 262.530323] skb_ensure_writable+0x3dd/0x640 [ 262.534734] ? skb_checksum_setup+0xaa0/0xaa0 [ 262.539234] ? check_preemption_disabled+0x48/0x280 [ 262.544258] ? __this_cpu_preempt_check+0x1c/0x20 [ 262.549112] ? __bpf_redirect+0x54b/0xb20 [ 262.553272] bpf_clone_redirect+0x14a/0x490 [ 262.557625] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 262.562649] ? __sched_text_start+0x8/0x8 [ 262.566803] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.571387] ? retint_kernel+0x2d/0x2d [ 262.575282] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.580220] ? find_held_lock+0x36/0x1c0 [ 262.584762] ? lock_acquire+0x1ed/0x520 [ 262.588734] ? bpf_test_run+0x3cb/0x780 [ 262.592707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.598248] ? check_preemption_disabled+0x48/0x280 [ 262.603278] ? kasan_check_read+0x11/0x20 [ 262.607441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.612725] ? rcu_softirq_qs+0x20/0x20 [ 262.616707] ? preempt_schedule+0x4d/0x60 [ 262.620860] ? ___preempt_schedule+0x16/0x18 [ 262.625281] ? bpf_test_run+0x25d/0x780 [ 262.629270] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.633702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.639253] ? bpf_test_init.isra.10+0x70/0x100 [ 262.643945] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 262.648732] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 262.653576] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.659129] ? fput+0x130/0x1a0 [ 262.662421] ? __bpf_prog_get+0x9b/0x290 [ 262.666500] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 262.671363] ? bpf_prog_test_run+0x130/0x1a0 [ 262.675779] ? __x64_sys_bpf+0x3d8/0x520 [ 262.679852] ? bpf_prog_get+0x20/0x20 [ 262.683707] ? do_syscall_64+0x1b9/0x820 [ 262.687769] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.693142] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.698078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.702928] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.707955] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.713004] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.718239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.723094] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.728524] warn_alloc_show_mem: 1 callbacks suppressed [ 262.728536] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 262.728538] Mem-Info: [ 262.728569] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 262.728569] active_file:12 inactive_file:13 isolated_file:0 [ 262.728569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.728569] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 262.728569] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 262.728569] free:13733 free_pcp:586 free_cma:0 [ 262.733929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.741215] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.743622] Call Trace: [ 262.776504] 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 [ 262.785881] [ 262.813305] lowmem_reserve[]: 0 2818 6321 6321 [ 262.815906] dump_stack+0x244/0x39d [ 262.842000] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.844165] ? dump_stack_print_info.cold.1+0x20/0x20 [ 262.848706] lowmem_reserve[]: 0 0 3503 3503 [ 262.852353] warn_alloc.cold.116+0xb7/0x1bd [ 262.879953] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 262.885151] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.889451] lowmem_reserve[]: 0 0 0 0 [ 262.893776] ? lock_downgrade+0x900/0x900 [ 262.922738] 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 [ 262.927595] ? trace_hardirqs_off+0xb8/0x310 [ 262.931356] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 262.935521] ? trace_hardirqs_off+0xb8/0x310 [ 262.949032] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 262.953466] __alloc_pages_slowpath+0x26e8/0x2e10 [ 262.968818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.973254] ? warn_alloc+0x120/0x120 [ 262.987087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.991938] ? print_usage_bug+0xc0/0xc0 [ 263.000747] 269 total pagecache pages [ 263.004555] ? warn_alloc+0x120/0x120 [ 263.013109] 0 pages in swap cache [ 263.017190] ? warn_alloc+0x120/0x120 [ 263.020973] Swap cache stats: add 0, delete 0, find 0/0 [ 263.024772] ? print_usage_bug+0xc0/0xc0 [ 263.028198] Free swap = 0kB [ 263.031993] ? print_usage_bug+0xc0/0xc0 [ 263.037323] Total swap = 0kB [ 263.037331] 1965979 pages RAM [ 263.041392] ? __lock_acquire+0x62f/0x4c20 [ 263.044386] 0 pages HighMem/MovableOnly [ 263.048457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.051455] 342853 pages reserved [ 263.054558] ? should_fail+0x22d/0xd01 [ 263.058765] 0 pages cma reserved [ 263.062735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.068334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.071691] ? __lock_acquire+0x62f/0x4c20 [ 263.075647] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.078919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.083997] syz-executor0 cpuset=syz0 mems_allowed=0 [ 263.090496] ? __lock_acquire+0x62f/0x4c20 [ 263.119600] ? should_fail+0x22d/0xd01 [ 263.123493] ? find_held_lock+0x36/0x1c0 [ 263.127566] ? mark_held_locks+0x130/0x130 [ 263.131810] ? mark_held_locks+0x130/0x130 [ 263.136048] ? zap_class+0x640/0x640 [ 263.139764] ? zap_class+0x640/0x640 [ 263.143497] ? print_usage_bug+0xc0/0xc0 [ 263.147581] ? do_raw_spin_unlock+0xa7/0x330 [ 263.151992] ? zap_class+0x640/0x640 [ 263.155708] ? print_usage_bug+0xc0/0xc0 [ 263.159783] ? wq_watchdog_touch+0x9c/0xfe [ 263.164022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.169566] ? check_preemption_disabled+0x48/0x280 [ 263.174597] ? __lock_is_held+0xb5/0x140 [ 263.178666] __alloc_pages_nodemask+0xa80/0xde0 [ 263.183336] ? zap_class+0x640/0x640 [ 263.187054] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 263.192081] ? find_held_lock+0x36/0x1c0 [ 263.196168] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.200842] ? lock_downgrade+0x900/0x900 [ 263.205001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.210545] cache_grow_begin+0xa5/0x8c0 [ 263.214606] ? do_raw_spin_unlock+0xa7/0x330 [ 263.219024] fallback_alloc+0x204/0x2e0 [ 263.223009] ____cache_alloc_node+0x1c7/0x1e0 [ 263.227513] kmem_cache_alloc_node+0xe3/0x730 [ 263.232025] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.236285] __alloc_skb+0x119/0x770 [ 263.239998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.245282] ? netdev_alloc_frag+0x1f0/0x1f0 [ 263.249694] ? lock_downgrade+0x900/0x900 [ 263.253852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.259389] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.264871] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.270351] ? addrconf_rs_timer+0x690/0x690 [ 263.274774] ndisc_alloc_skb+0x144/0x340 [ 263.278842] ndisc_send_rs+0x331/0x6e0 [ 263.282737] addrconf_rs_timer+0x314/0x690 [ 263.286978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.291254] call_timer_fn+0x272/0x920 [ 263.295140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.299400] ? process_timeout+0x40/0x40 [ 263.303497] ? mark_held_locks+0xc7/0x130 [ 263.307668] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.312176] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.316673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.320925] ? lockdep_hardirqs_on+0x296/0x5b0 [ 263.325529] ? trace_hardirqs_on+0xbd/0x310 [ 263.329865] ? kasan_check_read+0x11/0x20 [ 263.334011] ? __run_timers+0x7da/0xc70 [ 263.337988] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.343096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.347342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.351590] __run_timers+0x7e5/0xc70 [ 263.355401] ? timer_fixup_init+0x70/0x70 [ 263.359564] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.364585] ? zap_class+0x640/0x640 [ 263.368308] ? print_usage_bug+0xc0/0xc0 [ 263.372371] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.377570] ? find_held_lock+0x36/0x1c0 [ 263.381638] ? zap_class+0x640/0x640 [ 263.385363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.390903] ? check_preemption_disabled+0x48/0x280 [ 263.395938] ? __lock_is_held+0xb5/0x140 [ 263.400015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.405557] ? check_preemption_disabled+0x48/0x280 [ 263.410581] run_timer_softirq+0x52/0xb0 [ 263.414645] ? rcu_read_lock_sched_held+0x14f/0x180 [ 263.419667] __do_softirq+0x308/0xb7e [ 263.423483] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 263.427983] ? lock_downgrade+0x900/0x900 [ 263.432152] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 263.437261] ? pvclock_read_flags+0x160/0x160 [ 263.441757] ? lapic_next_event+0x5a/0x90 [ 263.445909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.451458] ? kvm_clock_read+0x18/0x30 [ 263.455457] ? kvm_sched_clock_read+0x9/0x20 [ 263.459898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.465472] ? check_preemption_disabled+0x48/0x280 [ 263.470540] irq_exit+0x17f/0x1c0 [ 263.474007] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.478851] ? smp_reschedule_interrupt+0x109/0x650 [ 263.483873] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.489756] ? interrupt_entry+0xb5/0xc0 [ 263.493852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.498871] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.503890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.508734] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.513753] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.518769] ? task_prio+0x50/0x50 [ 263.522315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.527860] ? check_preemption_disabled+0x48/0x280 [ 263.532912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.537786] apic_timer_interrupt+0xf/0x20 [ 263.542039] [ 263.544280] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 263.549485] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 263.568387] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.576102] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 263.583370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 263.590639] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 263.597908] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 263.605195] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 263.612514] retint_kernel+0x1b/0x2d [ 263.616241] RIP: 0010:dump_stack+0x358/0x39d [ 263.620653] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 263.639558] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 263.647262] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 263.654545] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 263.661831] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 263.669100] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 263.676367] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 263.683651] ? dump_stack+0x34f/0x39d [ 263.687524] ? dump_stack_print_info.cold.1+0x20/0x20 [ 263.692728] dump_header+0x27b/0xf72 [ 263.696457] ? mark_held_locks+0x130/0x130 [ 263.700696] ? pagefault_out_of_memory+0x197/0x197 [ 263.705631] ? __lock_acquire+0x62f/0x4c20 [ 263.709878] ? zap_class+0x640/0x640 [ 263.713592] ? percpu_ref_get_many+0x240/0x240 [ 263.718175] ? print_usage_bug+0xc0/0xc0 [ 263.722237] ? print_usage_bug+0xc0/0xc0 [ 263.726316] ? zap_class+0x640/0x640 [ 263.730035] ? print_usage_bug+0xc0/0xc0 [ 263.734095] ? print_usage_bug+0xc0/0xc0 [ 263.738208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.743751] ? find_held_lock+0x36/0x1c0 [ 263.747838] ? mark_held_locks+0xc7/0x130 [ 263.752024] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.757143] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.762261] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 263.766848] ? trace_hardirqs_on+0xbd/0x310 [ 263.771187] ? kasan_check_read+0x11/0x20 [ 263.775341] ? ___ratelimit+0x3b4/0x672 [ 263.779363] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.784518] ? trace_hardirqs_on+0x310/0x310 [ 263.788927] ? lock_downgrade+0x900/0x900 [ 263.793102] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.798206] ? ___ratelimit+0x3b9/0x672 [ 263.802183] ? idr_get_free+0xf70/0xf70 [ 263.806156] ? find_held_lock+0x36/0x1c0 [ 263.810229] oom_kill_process.cold.27+0x10/0x903 [ 263.814986] ? zap_class+0x640/0x640 [ 263.818744] ? check_preemption_disabled+0x48/0x280 [ 263.823794] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.828736] ? kasan_check_read+0x11/0x20 [ 263.832885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.838162] ? oom_evaluate_task+0x540/0x540 [ 263.842572] ? find_held_lock+0x36/0x1c0 [ 263.846644] ? out_of_memory+0x974/0x1430 [ 263.850796] ? lock_downgrade+0x900/0x900 [ 263.854948] ? check_preemption_disabled+0x48/0x280 [ 263.859984] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.864929] ? kasan_check_read+0x11/0x20 [ 263.869094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.874369] ? rcu_softirq_qs+0x20/0x20 [ 263.878354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.883891] ? oom_evaluate_task+0x302/0x540 [ 263.888305] out_of_memory+0xa84/0x1430 [ 263.892283] ? oom_killer_disable+0x3a0/0x3a0 [ 263.896820] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 263.901756] ? __ww_mutex_check_waiters+0x160/0x160 [ 263.906782] __alloc_pages_slowpath+0x2354/0x2e10 [ 263.911653] ? warn_alloc+0x120/0x120 [ 263.915488] ? warn_alloc+0x120/0x120 [ 263.919296] ? warn_alloc+0x120/0x120 [ 263.923093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.928195] ? print_usage_bug+0xc0/0xc0 [ 263.932256] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 263.936848] ? print_usage_bug+0xc0/0xc0 [ 263.940923] ? print_usage_bug+0xc0/0xc0 [ 263.944989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.950534] ? should_fail+0x22d/0xd01 [ 263.954438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.959547] ? zap_class+0x640/0x640 [ 263.963303] ? __lock_is_held+0xb5/0x140 [ 263.967380] ? zap_class+0x640/0x640 [ 263.971107] ? lock_release+0xa00/0xa00 [ 263.975086] ? perf_trace_sched_process_exec+0x860/0x860 [ 263.980538] ? check_preemption_disabled+0x48/0x280 [ 263.985597] ? __might_sleep+0x95/0x190 [ 263.989585] __alloc_pages_nodemask+0xa80/0xde0 [ 263.994261] ? zap_class+0x640/0x640 [ 263.997984] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 264.003014] ? mark_held_locks+0xc7/0x130 [ 264.007168] ? cache_grow_begin+0x65/0x8c0 [ 264.011408] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 264.016030] ? trace_hardirqs_on+0xbd/0x310 [ 264.020357] ? fallback_alloc+0x204/0x2e0 [ 264.024518] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.029630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.035194] cache_grow_begin+0xa5/0x8c0 [ 264.039258] ? do_raw_spin_unlock+0xa7/0x330 [ 264.043689] fallback_alloc+0x204/0x2e0 [ 264.047677] ____cache_alloc_node+0x1c7/0x1e0 [ 264.052182] kmem_cache_alloc_node+0xe3/0x730 [ 264.056713] __alloc_skb+0x119/0x770 [ 264.060445] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.064878] ? if_nlmsg_size+0x5d1/0xbb0 [ 264.068956] ? rtnetlink_put_metrics+0x690/0x690 [ 264.073731] ? sk_psock_stop_strp+0x120/0x120 [ 264.078229] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.083251] ? netif_tx_stop_all_queues+0xd9/0x110 [ 264.088208] rtmsg_ifinfo_build_skb+0x74/0x190 [ 264.092802] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 264.097661] rtmsg_ifinfo+0x8c/0xa0 [ 264.101304] dev_close_many+0x3be/0x860 [ 264.105293] ? dev_fill_metadata_dst+0x840/0x840 [ 264.110061] ? find_held_lock+0x36/0x1c0 [ 264.114136] ? __queue_work+0x671/0x1440 [ 264.118211] ? lock_downgrade+0x900/0x900 [ 264.122375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.127921] ? rtnl_is_locked+0xb5/0xf0 [ 264.131907] ? rtnl_trylock+0x20/0x20 [ 264.135715] ? do_raw_spin_unlock+0xa7/0x330 [ 264.140129] ? do_raw_spin_trylock+0x270/0x270 [ 264.144733] rollback_registered_many+0x543/0x1250 [ 264.149674] ? generic_xdp_install+0x5a0/0x5a0 [ 264.154269] ? flush_rcu_work+0x90/0x90 [ 264.158251] ? zap_class+0x640/0x640 [ 264.161972] ? print_usage_bug+0xc0/0xc0 [ 264.166036] ? print_usage_bug+0xc0/0xc0 [ 264.170102] ? zap_class+0x640/0x640 [ 264.173822] ? print_usage_bug+0xc0/0xc0 [ 264.177889] ? find_held_lock+0x36/0x1c0 [ 264.181973] ? mark_held_locks+0xc7/0x130 [ 264.186135] rollback_registered+0x1e9/0x420 [ 264.190548] ? lockdep_hardirqs_on+0x321/0x5b0 [ 264.195136] ? rollback_registered_many+0x1250/0x1250 [ 264.200333] ? trace_hardirqs_on+0xbd/0x310 [ 264.204673] ? linkwatch_schedule_work+0x150/0x170 [ 264.209610] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.214724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.220266] ? rtnl_is_locked+0xb5/0xf0 [ 264.224247] ? rtnl_trylock+0x20/0x20 [ 264.228074] ? queue_delayed_work_on+0x130/0x1f0 [ 264.232843] unregister_netdevice_queue+0x321/0x5e0 [ 264.237869] ? rollback_registered+0x420/0x420 [ 264.242458] ? linkwatch_schedule_work+0x170/0x170 [ 264.247409] ? tun_setup+0x2d0/0x2d0 [ 264.251141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.256709] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 264.262082] ? __tun_detach+0x6ba/0x15c0 [ 264.266160] __tun_detach+0x11b8/0x15c0 [ 264.270145] ? __call_rcu.constprop.55+0x3ea/0x950 [ 264.275077] ? __call_rcu.constprop.55+0x3ea/0x950 [ 264.280032] ? tun_attach+0x1900/0x1900 [ 264.284024] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.289133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.294692] ? check_preemption_disabled+0x48/0x280 [ 264.299725] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 264.304323] ? zap_class+0x640/0x640 [ 264.308052] ? fsnotify+0x4e5/0xf20 [ 264.311688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.317232] ? locks_remove_file+0x3c6/0x5c0 [ 264.321648] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 264.327191] ? ima_file_free+0x132/0x650 [ 264.331268] ? __lock_is_held+0xb5/0x140 [ 264.335339] ? __tun_detach+0x15c0/0x15c0 [ 264.339526] ? __tun_detach+0x15c0/0x15c0 [ 264.343683] tun_chr_close+0xe3/0x180 [ 264.347520] __fput+0x385/0xa30 [ 264.350833] ? get_max_files+0x20/0x20 [ 264.354733] ? perf_trace_sched_process_exec+0x860/0x860 [ 264.360203] ____fput+0x15/0x20 [ 264.363496] task_work_run+0x1e8/0x2a0 [ 264.367395] ? task_work_cancel+0x240/0x240 [ 264.371735] ? switch_task_namespaces+0xb8/0xd0 [ 264.376540] do_exit+0x1ad6/0x26d0 [ 264.380113] ? mm_update_next_owner+0x990/0x990 [ 264.384787] ? print_usage_bug+0xc0/0xc0 [ 264.388851] ? find_held_lock+0x36/0x1c0 [ 264.392938] ? mark_held_locks+0x130/0x130 [ 264.397222] ? __lock_acquire+0x62f/0x4c20 [ 264.401476] ? pipe_wait+0x266/0x2c0 [ 264.405203] ? lock_release+0xa00/0xa00 [ 264.409203] ? mark_held_locks+0x130/0x130 [ 264.413472] ? __mutex_lock+0x85e/0x16f0 [ 264.417548] ? __switch_to_asm+0x40/0x70 [ 264.421614] ? pipe_wait+0x266/0x2c0 [ 264.425335] ? __switch_to_asm+0x34/0x70 [ 264.429408] ? __switch_to_asm+0x40/0x70 [ 264.433494] ? mutex_trylock+0x2b0/0x2b0 [ 264.437564] ? zap_class+0x640/0x640 [ 264.441295] ? zap_class+0x640/0x640 [ 264.445012] ? find_held_lock+0x36/0x1c0 [ 264.449084] ? memset+0x31/0x40 [ 264.452375] ? find_held_lock+0x36/0x1c0 [ 264.456467] ? get_signal+0x95b/0x1980 [ 264.460426] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.464929] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.469449] do_group_exit+0x177/0x440 [ 264.473358] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.478485] ? __ia32_sys_exit+0x50/0x50 [ 264.482589] get_signal+0x8b0/0x1980 [ 264.486313] ? ptrace_notify+0x130/0x130 [ 264.490382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.495943] ? pipe_read+0x702/0x940 [ 264.499662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.505216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.510755] ? __vfs_read+0x11f/0x9b0 [ 264.514584] do_signal+0x9c/0x21c0 [ 264.518139] ? fsnotify+0xf20/0xf20 [ 264.521777] ? setup_sigcontext+0x7d0/0x7d0 [ 264.526112] ? exit_to_usermode_loop+0x8c/0x380 [ 264.530783] ? exit_to_usermode_loop+0x8c/0x380 [ 264.535484] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 264.540075] ? trace_hardirqs_on+0xbd/0x310 [ 264.544428] ? do_syscall_64+0x6be/0x820 [ 264.548527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.554077] exit_to_usermode_loop+0x2e5/0x380 [ 264.558679] ? __bpf_trace_sys_exit+0x30/0x30 [ 264.563191] do_syscall_64+0x6be/0x820 [ 264.567085] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.572458] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.577390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.582487] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.587515] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.592559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.597427] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.602618] RIP: 0033:0x410fa0 [ 264.605824] Code: Bad RIP value. [ 264.609183] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 264.616887] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 264.624153] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 264.631425] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 264.638692] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 264.645959] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 264.653256] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 264.653323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.660625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.660635] Call Trace: [ 264.667202] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.676500] [ 264.679069] syz-executor5 cpuset=syz5 mems_allowed=0 [ 264.689552] dump_stack+0x244/0x39d [ 264.700385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.705615] warn_alloc.cold.116+0xb7/0x1bd [ 264.709939] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.714935] ? lock_downgrade+0x900/0x900 [ 264.719091] ? trace_hardirqs_off+0xb8/0x310 [ 264.723521] ? trace_hardirqs_off+0xb8/0x310 [ 264.727940] __alloc_pages_slowpath+0x26e8/0x2e10 [ 264.732816] ? warn_alloc+0x120/0x120 [ 264.736626] ? print_usage_bug+0xc0/0xc0 [ 264.740709] ? warn_alloc+0x120/0x120 [ 264.744546] ? warn_alloc+0x120/0x120 [ 264.748379] ? print_usage_bug+0xc0/0xc0 [ 264.752458] ? kvm_clock_read+0x18/0x30 [ 264.756450] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.761483] ? print_usage_bug+0xc0/0xc0 [ 264.765546] ? __lock_acquire+0x62f/0x4c20 [ 264.769802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.775340] ? should_fail+0x22d/0xd01 [ 264.779232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.784515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.789622] ? __lock_acquire+0x62f/0x4c20 [ 264.793934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.799040] ? __lock_acquire+0x62f/0x4c20 [ 264.803276] ? should_fail+0x22d/0xd01 [ 264.807177] ? rcu_irq_exit+0x1a2/0x390 [ 264.811206] ? mark_held_locks+0x130/0x130 [ 264.815466] ? mark_held_locks+0x130/0x130 [ 264.819709] ? mark_held_locks+0xc7/0x130 [ 264.823884] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 264.828900] ? zap_class+0x640/0x640 [ 264.832624] ? print_usage_bug+0xc0/0xc0 [ 264.836695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.842238] ? check_preemption_disabled+0x48/0x280 [ 264.847279] ? __lock_is_held+0xb5/0x140 [ 264.851347] __alloc_pages_nodemask+0xa80/0xde0 [ 264.856016] ? zap_class+0x640/0x640 [ 264.859765] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 264.864796] ? find_held_lock+0x36/0x1c0 [ 264.868882] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.873563] ? lock_downgrade+0x900/0x900 [ 264.877722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.883276] cache_grow_begin+0xa5/0x8c0 [ 264.887355] ? do_raw_spin_unlock+0xa7/0x330 [ 264.891786] fallback_alloc+0x204/0x2e0 [ 264.895770] ____cache_alloc_node+0x1c7/0x1e0 [ 264.900272] kmem_cache_alloc_node+0xe3/0x730 [ 264.904772] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.909019] __alloc_skb+0x119/0x770 [ 264.912732] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.918017] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.922439] ? lock_downgrade+0x900/0x900 [ 264.926601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.932140] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.937597] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.943070] ? addrconf_rs_timer+0x690/0x690 [ 264.947495] ndisc_alloc_skb+0x144/0x340 [ 264.951577] ndisc_send_rs+0x331/0x6e0 [ 264.955477] addrconf_rs_timer+0x314/0x690 [ 264.959720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.963983] call_timer_fn+0x272/0x920 [ 264.967887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.972133] ? process_timeout+0x40/0x40 [ 264.976201] ? __run_timers+0x7da/0xc70 [ 264.980178] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.984672] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.989180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.993468] ? lockdep_hardirqs_on+0x296/0x5b0 [ 264.998069] ? trace_hardirqs_on+0xbd/0x310 [ 265.002426] ? kasan_check_read+0x11/0x20 [ 265.006581] ? __run_timers+0x7da/0xc70 [ 265.010561] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.015676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.019917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.024151] __run_timers+0x7e5/0xc70 [ 265.027974] ? timer_fixup_init+0x70/0x70 [ 265.032127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.037150] ? zap_class+0x640/0x640 [ 265.040868] ? enqueue_hrtimer+0x1a5/0x560 [ 265.045106] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.050308] ? find_held_lock+0x36/0x1c0 [ 265.054375] ? zap_class+0x640/0x640 [ 265.058098] ? pvclock_read_flags+0x160/0x160 [ 265.062602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.068142] ? check_preemption_disabled+0x48/0x280 [ 265.073174] ? __lock_is_held+0xb5/0x140 [ 265.077240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.082785] ? check_preemption_disabled+0x48/0x280 [ 265.087810] run_timer_softirq+0x52/0xb0 [ 265.091879] ? rcu_read_lock_sched_held+0x14f/0x180 [ 265.096897] __do_softirq+0x308/0xb7e [ 265.100709] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 265.105204] ? lock_downgrade+0x900/0x900 [ 265.109357] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 265.114476] ? pvclock_read_flags+0x160/0x160 [ 265.118976] ? lapic_next_event+0x5a/0x90 [ 265.123128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.128670] ? kvm_clock_read+0x18/0x30 [ 265.132647] ? kvm_sched_clock_read+0x9/0x20 [ 265.137078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.142620] ? check_preemption_disabled+0x48/0x280 [ 265.147646] irq_exit+0x17f/0x1c0 [ 265.151106] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.155953] ? smp_reschedule_interrupt+0x109/0x650 [ 265.160988] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.166874] ? interrupt_entry+0xb5/0xc0 [ 265.170939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.175960] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.180981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.185836] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.190851] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.195870] ? task_prio+0x50/0x50 [ 265.199421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.204977] ? check_preemption_disabled+0x48/0x280 [ 265.210003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.214854] apic_timer_interrupt+0xf/0x20 [ 265.219082] [ 265.221328] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 265.227216] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 265.246133] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.253839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.261110] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 265.268376] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 265.275641] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 265.282916] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 265.290258] ? save_stack+0xa9/0xd0 [ 265.293897] __kmalloc_node_track_caller+0x3c/0x70 [ 265.298829] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 265.303620] pskb_expand_head+0x230/0x10f0 [ 265.307877] ? memcpy+0x45/0x50 [ 265.311158] ? __copy_skb_header+0x350/0x6b0 [ 265.315582] ? skb_release_data+0x880/0x880 [ 265.319904] ? __alloc_skb+0x770/0x770 [ 265.323805] ? __lock_is_held+0xb5/0x140 [ 265.327897] ? kasan_check_write+0x14/0x20 [ 265.332129] ? __skb_clone+0x6c7/0xa00 [ 265.336028] ? __copy_skb_header+0x6b0/0x6b0 [ 265.340446] ? kmem_cache_alloc+0x33a/0x730 [ 265.344798] skb_ensure_writable+0x3dd/0x640 [ 265.349212] ? skb_checksum_setup+0xaa0/0xaa0 [ 265.353712] ? check_preemption_disabled+0x48/0x280 [ 265.358739] ? __this_cpu_preempt_check+0x1c/0x20 [ 265.363594] ? __bpf_redirect+0x54b/0xb20 [ 265.367750] bpf_clone_redirect+0x14a/0x490 [ 265.372081] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 265.377104] ? __sched_text_start+0x8/0x8 [ 265.381256] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.385840] ? retint_kernel+0x2d/0x2d [ 265.389738] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.394687] ? find_held_lock+0x36/0x1c0 [ 265.398777] ? lock_acquire+0x1ed/0x520 [ 265.402757] ? bpf_test_run+0x3cb/0x780 [ 265.406734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.412285] ? check_preemption_disabled+0x48/0x280 [ 265.417307] ? kasan_check_read+0x11/0x20 [ 265.421469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.426745] ? rcu_softirq_qs+0x20/0x20 [ 265.430738] ? preempt_schedule+0x4d/0x60 [ 265.434900] ? ___preempt_schedule+0x16/0x18 [ 265.439330] ? bpf_test_run+0x25d/0x780 [ 265.443346] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.447763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.453318] ? bpf_test_init.isra.10+0x70/0x100 [ 265.457993] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 265.462758] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 265.467602] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.473139] ? fput+0x130/0x1a0 [ 265.476446] ? __bpf_prog_get+0x9b/0x290 [ 265.480543] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 265.485402] ? bpf_prog_test_run+0x130/0x1a0 [ 265.489828] ? __x64_sys_bpf+0x3d8/0x520 [ 265.493888] ? bpf_prog_get+0x20/0x20 [ 265.497708] ? do_syscall_64+0x1b9/0x820 [ 265.501771] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.507135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.512096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.516944] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.522003] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.527047] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.532071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.536921] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.542295] warn_alloc_show_mem: 1 callbacks suppressed [ 265.542307] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 265.542309] Mem-Info: [ 265.542339] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 265.542339] active_file:12 inactive_file:13 isolated_file:0 [ 265.542339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.542339] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 265.542339] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 265.542339] free:13733 free_pcp:586 free_cma:0 [ 265.547694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.554965] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.554973] 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 [ 265.557409] Call Trace: [ 265.590298] lowmem_reserve[]: 0 2818 6321 6321 [ 265.599669] [ 265.627062] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 265.653264] dump_stack+0x244/0x39d [ 265.655824] lowmem_reserve[]: 0 0 3503 3503 [ 265.660401] ? dump_stack_print_info.cold.1+0x20/0x20 [ 265.662540] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 265.690126] warn_alloc.cold.116+0xb7/0x1bd [ 265.693722] lowmem_reserve[]: 0 0 0 0 [ 265.698042] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.703211] 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 [ 265.732196] ? lock_downgrade+0x900/0x900 [ 265.736522] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 265.740321] ? trace_hardirqs_off+0xb8/0x310 [ 265.745129] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 265.758657] ? trace_hardirqs_off+0xb8/0x310 [ 265.762783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.778146] __alloc_pages_slowpath+0x26e8/0x2e10 [ 265.782527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.782551] 269 total pagecache pages [ 265.796459] ? warn_alloc+0x120/0x120 [ 265.800840] 0 pages in swap cache [ 265.809665] ? print_usage_bug+0xc0/0xc0 [ 265.814487] Swap cache stats: add 0, delete 0, find 0/0 [ 265.823239] ? warn_alloc+0x120/0x120 [ 265.827017] Free swap = 0kB [ 265.830810] ? warn_alloc+0x120/0x120 [ 265.834238] Total swap = 0kB [ 265.838301] ? print_usage_bug+0xc0/0xc0 [ 265.843640] 1965979 pages RAM [ 265.847435] ? kvm_clock_read+0x18/0x30 [ 265.850440] 0 pages HighMem/MovableOnly [ 265.854229] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.857215] 342853 pages reserved [ 265.857223] 0 pages cma reserved [ 265.861294] ? print_usage_bug+0xc0/0xc0 [ 265.864468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.868343] ? __lock_acquire+0x62f/0x4c20 [ 265.872349] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.877298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.880742] syz-executor0 cpuset=syz0 mems_allowed=0 [ 265.884115] ? should_fail+0x22d/0xd01 [ 265.923857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.929151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.934256] ? __lock_acquire+0x62f/0x4c20 [ 265.938494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.943618] ? __lock_acquire+0x62f/0x4c20 [ 265.947854] ? should_fail+0x22d/0xd01 [ 265.951753] ? rcu_irq_exit+0x1a2/0x390 [ 265.955741] ? mark_held_locks+0x130/0x130 [ 265.959981] ? mark_held_locks+0x130/0x130 [ 265.964254] ? mark_held_locks+0xc7/0x130 [ 265.968452] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 265.973469] ? zap_class+0x640/0x640 [ 265.977187] ? print_usage_bug+0xc0/0xc0 [ 265.981262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.986806] ? check_preemption_disabled+0x48/0x280 [ 265.991850] ? __lock_is_held+0xb5/0x140 [ 265.995918] __alloc_pages_nodemask+0xa80/0xde0 [ 266.000595] ? zap_class+0x640/0x640 [ 266.004319] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 266.009365] ? find_held_lock+0x36/0x1c0 [ 266.013446] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.018121] ? lock_downgrade+0x900/0x900 [ 266.022281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.027887] cache_grow_begin+0xa5/0x8c0 [ 266.031952] ? do_raw_spin_unlock+0xa7/0x330 [ 266.036371] fallback_alloc+0x204/0x2e0 [ 266.040351] ____cache_alloc_node+0x1c7/0x1e0 [ 266.044851] kmem_cache_alloc_node+0xe3/0x730 [ 266.049357] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.053602] __alloc_skb+0x119/0x770 [ 266.057330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.062613] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.067024] ? lock_downgrade+0x900/0x900 [ 266.071185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.076725] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.082179] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.087630] ? addrconf_rs_timer+0x690/0x690 [ 266.092068] ndisc_alloc_skb+0x144/0x340 [ 266.096149] ndisc_send_rs+0x331/0x6e0 [ 266.100042] addrconf_rs_timer+0x314/0x690 [ 266.104287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.108535] call_timer_fn+0x272/0x920 [ 266.112438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.116689] ? process_timeout+0x40/0x40 [ 266.120791] ? mark_held_locks+0xc7/0x130 [ 266.124958] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.129470] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.133962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.138199] ? lockdep_hardirqs_on+0x296/0x5b0 [ 266.142786] ? trace_hardirqs_on+0xbd/0x310 [ 266.147107] ? kasan_check_read+0x11/0x20 [ 266.151251] ? __run_timers+0x7da/0xc70 [ 266.155228] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.160336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.164595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.168836] __run_timers+0x7e5/0xc70 [ 266.172676] ? timer_fixup_init+0x70/0x70 [ 266.176840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.181856] ? zap_class+0x640/0x640 [ 266.185579] ? print_usage_bug+0xc0/0xc0 [ 266.189640] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.194838] ? find_held_lock+0x36/0x1c0 [ 266.198906] ? zap_class+0x640/0x640 [ 266.202633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.208171] ? check_preemption_disabled+0x48/0x280 [ 266.213217] ? __lock_is_held+0xb5/0x140 [ 266.217283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.222840] ? check_preemption_disabled+0x48/0x280 [ 266.227904] run_timer_softirq+0x52/0xb0 [ 266.231997] ? rcu_read_lock_sched_held+0x14f/0x180 [ 266.237015] __do_softirq+0x308/0xb7e [ 266.240820] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 266.245343] ? lock_downgrade+0x900/0x900 [ 266.249496] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.254608] ? pvclock_read_flags+0x160/0x160 [ 266.259107] ? lapic_next_event+0x5a/0x90 [ 266.263259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.268803] ? kvm_clock_read+0x18/0x30 [ 266.272790] ? kvm_sched_clock_read+0x9/0x20 [ 266.277202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.282740] ? check_preemption_disabled+0x48/0x280 [ 266.287782] irq_exit+0x17f/0x1c0 [ 266.291252] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.296094] ? smp_reschedule_interrupt+0x109/0x650 [ 266.301112] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.306997] ? interrupt_entry+0xb5/0xc0 [ 266.311059] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.316074] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.321089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.325941] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.330961] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.335980] ? task_prio+0x50/0x50 [ 266.339520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.345057] ? check_preemption_disabled+0x48/0x280 [ 266.350076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.354943] apic_timer_interrupt+0xf/0x20 [ 266.359175] [ 266.361426] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 266.366629] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 266.385543] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 266.393247] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 266.400513] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 266.407809] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 266.415073] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 266.422353] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 266.429711] retint_kernel+0x1b/0x2d [ 266.433443] RIP: 0010:dump_stack+0x358/0x39d [ 266.437867] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 266.456763] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 266.464484] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 266.471751] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 266.479013] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 266.486276] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 266.493553] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 266.500832] ? dump_stack+0x34f/0x39d [ 266.504638] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.509853] dump_header+0x27b/0xf72 [ 266.513577] ? mark_held_locks+0x130/0x130 [ 266.517809] ? pagefault_out_of_memory+0x197/0x197 [ 266.522740] ? __lock_acquire+0x62f/0x4c20 [ 266.526976] ? zap_class+0x640/0x640 [ 266.530685] ? percpu_ref_get_many+0x240/0x240 [ 266.535279] ? print_usage_bug+0xc0/0xc0 [ 266.539353] ? print_usage_bug+0xc0/0xc0 [ 266.543426] ? zap_class+0x640/0x640 [ 266.547138] ? print_usage_bug+0xc0/0xc0 [ 266.551228] ? print_usage_bug+0xc0/0xc0 [ 266.555305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.560843] ? find_held_lock+0x36/0x1c0 [ 266.564911] ? mark_held_locks+0xc7/0x130 [ 266.569059] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.574171] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.579279] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 266.583966] ? trace_hardirqs_on+0xbd/0x310 [ 266.588285] ? kasan_check_read+0x11/0x20 [ 266.592447] ? ___ratelimit+0x3b4/0x672 [ 266.596438] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.601542] ? trace_hardirqs_on+0x310/0x310 [ 266.605972] ? lock_downgrade+0x900/0x900 [ 266.610137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.615235] ? ___ratelimit+0x3b9/0x672 [ 266.619208] ? idr_get_free+0xf70/0xf70 [ 266.623181] ? find_held_lock+0x36/0x1c0 [ 266.627245] oom_kill_process.cold.27+0x10/0x903 [ 266.631995] ? zap_class+0x640/0x640 [ 266.635723] ? check_preemption_disabled+0x48/0x280 [ 266.640743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.645669] ? kasan_check_read+0x11/0x20 [ 266.649823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.655097] ? oom_evaluate_task+0x540/0x540 [ 266.659505] ? find_held_lock+0x36/0x1c0 [ 266.663577] ? out_of_memory+0x974/0x1430 [ 266.667726] ? lock_downgrade+0x900/0x900 [ 266.671871] ? check_preemption_disabled+0x48/0x280 [ 266.676890] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 266.681822] ? kasan_check_read+0x11/0x20 [ 266.685975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.691267] ? rcu_softirq_qs+0x20/0x20 [ 266.695244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.700802] ? oom_evaluate_task+0x302/0x540 [ 266.705212] out_of_memory+0xa84/0x1430 [ 266.709209] ? oom_killer_disable+0x3a0/0x3a0 [ 266.714262] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 266.719653] ? __ww_mutex_check_waiters+0x160/0x160 [ 266.724685] __alloc_pages_slowpath+0x2354/0x2e10 [ 266.729585] ? warn_alloc+0x120/0x120 [ 266.733428] ? warn_alloc+0x120/0x120 [ 266.737239] ? warn_alloc+0x120/0x120 [ 266.741037] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.746141] ? print_usage_bug+0xc0/0xc0 [ 266.750215] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 266.754810] ? print_usage_bug+0xc0/0xc0 [ 266.758907] ? print_usage_bug+0xc0/0xc0 [ 266.762976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.768512] ? should_fail+0x22d/0xd01 [ 266.772406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.777537] ? zap_class+0x640/0x640 [ 266.781276] ? __lock_is_held+0xb5/0x140 [ 266.785346] ? zap_class+0x640/0x640 [ 266.789067] ? lock_release+0xa00/0xa00 [ 266.793040] ? perf_trace_sched_process_exec+0x860/0x860 [ 266.798520] ? check_preemption_disabled+0x48/0x280 [ 266.803569] ? __might_sleep+0x95/0x190 [ 266.807551] __alloc_pages_nodemask+0xa80/0xde0 [ 266.812221] ? zap_class+0x640/0x640 [ 266.815959] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 266.820999] ? mark_held_locks+0xc7/0x130 [ 266.825150] ? cache_grow_begin+0x65/0x8c0 [ 266.829410] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 266.834003] ? trace_hardirqs_on+0xbd/0x310 [ 266.838337] ? fallback_alloc+0x204/0x2e0 [ 266.842492] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.847617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.853206] cache_grow_begin+0xa5/0x8c0 [ 266.857289] ? do_raw_spin_unlock+0xa7/0x330 [ 266.861723] fallback_alloc+0x204/0x2e0 [ 266.865723] ____cache_alloc_node+0x1c7/0x1e0 [ 266.870228] kmem_cache_alloc_node+0xe3/0x730 [ 266.874736] __alloc_skb+0x119/0x770 [ 266.878458] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.882882] ? if_nlmsg_size+0x5d1/0xbb0 [ 266.886967] ? rtnetlink_put_metrics+0x690/0x690 [ 266.891732] ? sk_psock_stop_strp+0x120/0x120 [ 266.896224] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 266.901241] ? netif_tx_stop_all_queues+0xd9/0x110 [ 266.906189] rtmsg_ifinfo_build_skb+0x74/0x190 [ 266.910777] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 266.915629] rtmsg_ifinfo+0x8c/0xa0 [ 266.919259] dev_close_many+0x3be/0x860 [ 266.923258] ? dev_fill_metadata_dst+0x840/0x840 [ 266.928025] ? find_held_lock+0x36/0x1c0 [ 266.932129] ? __queue_work+0x671/0x1440 [ 266.936191] ? lock_downgrade+0x900/0x900 [ 266.940342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.945879] ? rtnl_is_locked+0xb5/0xf0 [ 266.949853] ? rtnl_trylock+0x20/0x20 [ 266.953656] ? do_raw_spin_unlock+0xa7/0x330 [ 266.958068] ? do_raw_spin_trylock+0x270/0x270 [ 266.962673] rollback_registered_many+0x543/0x1250 [ 266.967609] ? generic_xdp_install+0x5a0/0x5a0 [ 266.972196] ? flush_rcu_work+0x90/0x90 [ 266.976198] ? zap_class+0x640/0x640 [ 266.979923] ? print_usage_bug+0xc0/0xc0 [ 266.983988] ? print_usage_bug+0xc0/0xc0 [ 266.988054] ? zap_class+0x640/0x640 [ 266.991770] ? print_usage_bug+0xc0/0xc0 [ 266.995838] ? find_held_lock+0x36/0x1c0 [ 266.999911] ? mark_held_locks+0xc7/0x130 [ 267.004068] rollback_registered+0x1e9/0x420 [ 267.008495] ? lockdep_hardirqs_on+0x321/0x5b0 [ 267.013083] ? rollback_registered_many+0x1250/0x1250 [ 267.018272] ? trace_hardirqs_on+0xbd/0x310 [ 267.022610] ? linkwatch_schedule_work+0x150/0x170 [ 267.027554] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.032662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.038197] ? rtnl_is_locked+0xb5/0xf0 [ 267.042171] ? rtnl_trylock+0x20/0x20 [ 267.045975] ? queue_delayed_work_on+0x130/0x1f0 [ 267.050738] unregister_netdevice_queue+0x321/0x5e0 [ 267.055763] ? rollback_registered+0x420/0x420 [ 267.060350] ? linkwatch_schedule_work+0x170/0x170 [ 267.065294] ? tun_setup+0x2d0/0x2d0 [ 267.069010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.074564] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 267.079927] ? __tun_detach+0x6ba/0x15c0 [ 267.084006] __tun_detach+0x11b8/0x15c0 [ 267.087980] ? __call_rcu.constprop.55+0x3ea/0x950 [ 267.092909] ? __call_rcu.constprop.55+0x3ea/0x950 [ 267.097852] ? tun_attach+0x1900/0x1900 [ 267.101838] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.106962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.112504] ? check_preemption_disabled+0x48/0x280 [ 267.117522] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 267.122113] ? zap_class+0x640/0x640 [ 267.125830] ? fsnotify+0x4e5/0xf20 [ 267.129476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.135009] ? locks_remove_file+0x3c6/0x5c0 [ 267.139453] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 267.144992] ? ima_file_free+0x132/0x650 [ 267.149057] ? __lock_is_held+0xb5/0x140 [ 267.153127] ? __tun_detach+0x15c0/0x15c0 [ 267.157278] ? __tun_detach+0x15c0/0x15c0 [ 267.161434] tun_chr_close+0xe3/0x180 [ 267.165258] __fput+0x385/0xa30 [ 267.168546] ? get_max_files+0x20/0x20 [ 267.172466] ? perf_trace_sched_process_exec+0x860/0x860 [ 267.177948] ____fput+0x15/0x20 [ 267.181233] task_work_run+0x1e8/0x2a0 [ 267.185127] ? task_work_cancel+0x240/0x240 [ 267.189460] ? switch_task_namespaces+0xb8/0xd0 [ 267.194137] do_exit+0x1ad6/0x26d0 [ 267.197689] ? mm_update_next_owner+0x990/0x990 [ 267.202377] ? print_usage_bug+0xc0/0xc0 [ 267.206448] ? find_held_lock+0x36/0x1c0 [ 267.210525] ? mark_held_locks+0x130/0x130 [ 267.214782] ? __lock_acquire+0x62f/0x4c20 [ 267.219014] ? pipe_wait+0x266/0x2c0 [ 267.222736] ? lock_release+0xa00/0xa00 [ 267.226723] ? mark_held_locks+0x130/0x130 [ 267.230980] ? __mutex_lock+0x85e/0x16f0 [ 267.235045] ? __switch_to_asm+0x40/0x70 [ 267.239104] ? pipe_wait+0x266/0x2c0 [ 267.242826] ? __switch_to_asm+0x34/0x70 [ 267.246881] ? __switch_to_asm+0x40/0x70 [ 267.250979] ? mutex_trylock+0x2b0/0x2b0 [ 267.255046] ? zap_class+0x640/0x640 [ 267.258778] ? zap_class+0x640/0x640 [ 267.262497] ? find_held_lock+0x36/0x1c0 [ 267.266584] ? memset+0x31/0x40 [ 267.269871] ? find_held_lock+0x36/0x1c0 [ 267.273963] ? get_signal+0x95b/0x1980 [ 267.277856] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.282348] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.286853] do_group_exit+0x177/0x440 [ 267.290756] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.295859] ? __ia32_sys_exit+0x50/0x50 [ 267.299939] get_signal+0x8b0/0x1980 [ 267.303666] ? ptrace_notify+0x130/0x130 [ 267.307751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.313287] ? pipe_read+0x702/0x940 [ 267.317002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.322570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.328108] ? __vfs_read+0x11f/0x9b0 [ 267.331928] do_signal+0x9c/0x21c0 [ 267.335483] ? fsnotify+0xf20/0xf20 [ 267.339112] ? setup_sigcontext+0x7d0/0x7d0 [ 267.343466] ? exit_to_usermode_loop+0x8c/0x380 [ 267.348165] ? exit_to_usermode_loop+0x8c/0x380 [ 267.352850] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 267.357449] ? trace_hardirqs_on+0xbd/0x310 [ 267.361772] ? do_syscall_64+0x6be/0x820 [ 267.365844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.371400] exit_to_usermode_loop+0x2e5/0x380 [ 267.375995] ? __bpf_trace_sys_exit+0x30/0x30 [ 267.380531] do_syscall_64+0x6be/0x820 [ 267.384447] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.389830] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.394756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.399602] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.404627] ? prepare_exit_to_usermode+0x291/0x3b0 [ 267.409652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.414503] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.419690] RIP: 0033:0x410fa0 [ 267.422899] Code: Bad RIP value. [ 267.426282] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 267.433986] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 267.441267] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 267.448535] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 267.455803] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 267.463068] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 267.470360] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 267.470447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.477724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.477729] Call Trace: [ 267.477735] [ 267.477755] dump_stack+0x244/0x39d [ 267.477773] ? dump_stack_print_info.cold.1+0x20/0x20 [ 267.484331] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.493609] warn_alloc.cold.116+0xb7/0x1bd [ 267.496163] syz-executor5 cpuset=syz5 mems_allowed=0 [ 267.498307] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.531803] ? lock_downgrade+0x900/0x900 [ 267.535961] ? trace_hardirqs_off+0xb8/0x310 [ 267.540385] ? trace_hardirqs_off+0xb8/0x310 [ 267.544827] __alloc_pages_slowpath+0x26e8/0x2e10 [ 267.549701] ? warn_alloc+0x120/0x120 [ 267.553535] ? print_usage_bug+0xc0/0xc0 [ 267.557606] ? warn_alloc+0x120/0x120 [ 267.561408] ? zap_class+0x640/0x640 [ 267.565153] ? warn_alloc+0x120/0x120 [ 267.568957] ? print_usage_bug+0xc0/0xc0 [ 267.573022] ? print_usage_bug+0xc0/0xc0 [ 267.577089] ? __lock_acquire+0x62f/0x4c20 [ 267.581333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.586876] ? should_fail+0x22d/0xd01 [ 267.590768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.595885] ? __lock_acquire+0x62f/0x4c20 [ 267.600141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.605248] ? __lock_acquire+0x62f/0x4c20 [ 267.609485] ? should_fail+0x22d/0xd01 [ 267.613389] ? find_held_lock+0x36/0x1c0 [ 267.617478] ? mark_held_locks+0x130/0x130 [ 267.621729] ? mark_held_locks+0x130/0x130 [ 267.625978] ? zap_class+0x640/0x640 [ 267.629710] ? zap_class+0x640/0x640 [ 267.633465] ? print_usage_bug+0xc0/0xc0 [ 267.637552] ? do_raw_spin_unlock+0xa7/0x330 [ 267.641959] ? zap_class+0x640/0x640 [ 267.645671] ? print_usage_bug+0xc0/0xc0 [ 267.649757] ? wq_watchdog_touch+0x9c/0xfe [ 267.654012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.659559] ? check_preemption_disabled+0x48/0x280 [ 267.664614] ? __lock_is_held+0xb5/0x140 [ 267.668682] __alloc_pages_nodemask+0xa80/0xde0 [ 267.673353] ? zap_class+0x640/0x640 [ 267.677089] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 267.682117] ? find_held_lock+0x36/0x1c0 [ 267.686193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.690865] ? lock_downgrade+0x900/0x900 [ 267.695022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.700567] cache_grow_begin+0xa5/0x8c0 [ 267.704627] ? do_raw_spin_unlock+0xa7/0x330 [ 267.709044] fallback_alloc+0x204/0x2e0 [ 267.713027] ____cache_alloc_node+0x1c7/0x1e0 [ 267.717528] kmem_cache_alloc_node+0xe3/0x730 [ 267.722033] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.726280] __alloc_skb+0x119/0x770 [ 267.730007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.735289] ? netdev_alloc_frag+0x1f0/0x1f0 [ 267.739716] ? lock_downgrade+0x900/0x900 [ 267.743875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.749452] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.755046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.760498] ? addrconf_rs_timer+0x690/0x690 [ 267.764919] ndisc_alloc_skb+0x144/0x340 [ 267.768986] ndisc_send_rs+0x331/0x6e0 [ 267.772880] addrconf_rs_timer+0x314/0x690 [ 267.777123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.781370] call_timer_fn+0x272/0x920 [ 267.785261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.789497] ? process_timeout+0x40/0x40 [ 267.793567] ? __run_timers+0x7da/0xc70 [ 267.797549] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.802056] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.806550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.810790] ? lockdep_hardirqs_on+0x296/0x5b0 [ 267.815376] ? trace_hardirqs_on+0xbd/0x310 [ 267.819702] ? kasan_check_read+0x11/0x20 [ 267.823849] ? __run_timers+0x7da/0xc70 [ 267.827920] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.833046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.837290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.841525] __run_timers+0x7e5/0xc70 [ 267.845350] ? timer_fixup_init+0x70/0x70 [ 267.849505] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.854522] ? zap_class+0x640/0x640 [ 267.858243] ? enqueue_hrtimer+0x1a5/0x560 [ 267.862481] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.867681] ? find_held_lock+0x36/0x1c0 [ 267.871753] ? zap_class+0x640/0x640 [ 267.875472] ? pvclock_read_flags+0x160/0x160 [ 267.879983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.885537] ? check_preemption_disabled+0x48/0x280 [ 267.890605] ? __lock_is_held+0xb5/0x140 [ 267.894672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.900219] ? check_preemption_disabled+0x48/0x280 [ 267.905301] run_timer_softirq+0x52/0xb0 [ 267.909381] ? rcu_read_lock_sched_held+0x14f/0x180 [ 267.914409] __do_softirq+0x308/0xb7e [ 267.918667] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 267.923161] ? lock_downgrade+0x900/0x900 [ 267.927348] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 267.932478] ? pvclock_read_flags+0x160/0x160 [ 267.937010] ? lapic_next_event+0x5a/0x90 [ 267.941209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.946756] ? kvm_clock_read+0x18/0x30 [ 267.950732] ? kvm_sched_clock_read+0x9/0x20 [ 267.955143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.960682] ? check_preemption_disabled+0x48/0x280 [ 267.965709] irq_exit+0x17f/0x1c0 [ 267.969163] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.974018] ? smp_reschedule_interrupt+0x109/0x650 [ 267.979038] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.984924] ? interrupt_entry+0xb5/0xc0 [ 267.988993] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.994012] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.999030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.003891] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.008904] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.013921] ? task_prio+0x50/0x50 [ 268.017465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.023019] ? check_preemption_disabled+0x48/0x280 [ 268.028057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.032923] apic_timer_interrupt+0xf/0x20 [ 268.037177] [ 268.039423] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 268.045338] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 268.064249] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.071954] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.079226] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 268.086491] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 268.093754] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 268.101019] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 268.108316] ? save_stack+0xa9/0xd0 [ 268.111950] __kmalloc_node_track_caller+0x3c/0x70 [ 268.116885] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 268.121661] pskb_expand_head+0x230/0x10f0 [ 268.125901] ? memcpy+0x45/0x50 [ 268.129180] ? __copy_skb_header+0x350/0x6b0 [ 268.133594] ? skb_release_data+0x880/0x880 [ 268.137916] ? __alloc_skb+0x770/0x770 [ 268.141812] ? __lock_is_held+0xb5/0x140 [ 268.145879] ? kasan_check_write+0x14/0x20 [ 268.150115] ? __skb_clone+0x6c7/0xa00 [ 268.154002] ? __copy_skb_header+0x6b0/0x6b0 [ 268.158410] ? kmem_cache_alloc+0x33a/0x730 [ 268.162756] skb_ensure_writable+0x3dd/0x640 [ 268.167166] ? skb_checksum_setup+0xaa0/0xaa0 [ 268.171663] ? check_preemption_disabled+0x48/0x280 [ 268.176687] ? __this_cpu_preempt_check+0x1c/0x20 [ 268.181530] ? __bpf_redirect+0x54b/0xb20 [ 268.185689] bpf_clone_redirect+0x14a/0x490 [ 268.190026] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 268.195045] ? __sched_text_start+0x8/0x8 [ 268.199196] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.203780] ? retint_kernel+0x2d/0x2d [ 268.207670] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.212624] ? find_held_lock+0x36/0x1c0 [ 268.216692] ? lock_acquire+0x1ed/0x520 [ 268.220687] ? bpf_test_run+0x3cb/0x780 [ 268.224666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.230220] ? check_preemption_disabled+0x48/0x280 [ 268.235288] ? kasan_check_read+0x11/0x20 [ 268.239448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.244730] ? rcu_softirq_qs+0x20/0x20 [ 268.248709] ? preempt_schedule+0x4d/0x60 [ 268.252873] ? ___preempt_schedule+0x16/0x18 [ 268.257305] ? bpf_test_run+0x25d/0x780 [ 268.261307] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.265720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.271262] ? bpf_test_init.isra.10+0x70/0x100 [ 268.275966] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 268.280732] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 268.285575] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.291114] ? fput+0x130/0x1a0 [ 268.294421] ? __bpf_prog_get+0x9b/0x290 [ 268.298513] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 268.303356] ? bpf_prog_test_run+0x130/0x1a0 [ 268.307772] ? __x64_sys_bpf+0x3d8/0x520 [ 268.311835] ? bpf_prog_get+0x20/0x20 [ 268.315662] ? do_syscall_64+0x1b9/0x820 [ 268.319735] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.325102] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.330032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.334879] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.339899] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.344941] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.349981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.354833] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.360224] warn_alloc_show_mem: 1 callbacks suppressed [ 268.360252] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 268.360254] Mem-Info: [ 268.360283] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 268.360283] active_file:12 inactive_file:13 isolated_file:0 [ 268.360283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.360283] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 268.360283] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 268.360283] free:13733 free_pcp:586 free_cma:0 [ 268.365640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.372917] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.375348] Call Trace: [ 268.408210] 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 [ 268.417582] [ 268.444990] lowmem_reserve[]: 0 2818 6321 6321 [ 268.447574] dump_stack+0x244/0x39d [ 268.473656] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 268.475807] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.480365] lowmem_reserve[]: 0 0 3503 3503 [ 268.483996] warn_alloc.cold.116+0xb7/0x1bd [ 268.511564] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 268.516765] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.521059] lowmem_reserve[]: 0 0 0 0 [ 268.525376] ? lock_downgrade+0x900/0x900 [ 268.554322] 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 [ 268.559161] ? trace_hardirqs_off+0xb8/0x310 [ 268.562932] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 268.567081] ? trace_hardirqs_off+0xb8/0x310 [ 268.580591] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 268.585106] __alloc_pages_slowpath+0x26e8/0x2e10 [ 268.600456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.604878] ? warn_alloc+0x120/0x120 [ 268.618738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.623584] ? print_usage_bug+0xc0/0xc0 [ 268.632432] 269 total pagecache pages [ 268.636241] ? warn_alloc+0x120/0x120 [ 268.644795] 0 pages in swap cache [ 268.648843] ? warn_alloc+0x120/0x120 [ 268.652636] Swap cache stats: add 0, delete 0, find 0/0 [ 268.656452] ? print_usage_bug+0xc0/0xc0 [ 268.656470] ? kvm_clock_read+0x18/0x30 [ 268.659920] Free swap = 0kB [ 268.663719] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.669054] Total swap = 0kB [ 268.673122] ? print_usage_bug+0xc0/0xc0 [ 268.677084] 1965979 pages RAM [ 268.680096] ? __lock_acquire+0x62f/0x4c20 [ 268.685091] 0 pages HighMem/MovableOnly [ 268.688101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.692134] 342853 pages reserved [ 268.695251] ? should_fail+0x22d/0xd01 [ 268.699465] 0 pages cma reserved [ 268.703468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.709052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.712438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.716598] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.719865] ? __lock_acquire+0x62f/0x4c20 [ 268.725132] syz-executor0 cpuset=syz0 mems_allowed=0 [ 268.731661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.761648] ? __lock_acquire+0x62f/0x4c20 [ 268.765894] ? should_fail+0x22d/0xd01 [ 268.769779] ? rcu_irq_exit+0x1a2/0x390 [ 268.773799] ? mark_held_locks+0x130/0x130 [ 268.778041] ? mark_held_locks+0x130/0x130 [ 268.782281] ? mark_held_locks+0xc7/0x130 [ 268.786436] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 268.791458] ? zap_class+0x640/0x640 [ 268.795172] ? print_usage_bug+0xc0/0xc0 [ 268.799242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.804798] ? check_preemption_disabled+0x48/0x280 [ 268.809823] ? __lock_is_held+0xb5/0x140 [ 268.813891] __alloc_pages_nodemask+0xa80/0xde0 [ 268.818564] ? zap_class+0x640/0x640 [ 268.822289] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 268.827347] ? find_held_lock+0x36/0x1c0 [ 268.831437] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.836129] ? lock_downgrade+0x900/0x900 [ 268.840299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.845844] cache_grow_begin+0xa5/0x8c0 [ 268.849904] ? do_raw_spin_unlock+0xa7/0x330 [ 268.854324] fallback_alloc+0x204/0x2e0 [ 268.858318] ____cache_alloc_node+0x1c7/0x1e0 [ 268.862821] kmem_cache_alloc_node+0xe3/0x730 [ 268.867317] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.871566] __alloc_skb+0x119/0x770 [ 268.875276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.880569] ? netdev_alloc_frag+0x1f0/0x1f0 [ 268.884977] ? lock_downgrade+0x900/0x900 [ 268.889131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.894671] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.900126] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.905578] ? addrconf_rs_timer+0x690/0x690 [ 268.910002] ndisc_alloc_skb+0x144/0x340 [ 268.914076] ndisc_send_rs+0x331/0x6e0 [ 268.917977] addrconf_rs_timer+0x314/0x690 [ 268.922222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.926474] call_timer_fn+0x272/0x920 [ 268.930389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.934681] ? process_timeout+0x40/0x40 [ 268.938793] ? mark_held_locks+0xc7/0x130 [ 268.942948] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.947455] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.951954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.956193] ? lockdep_hardirqs_on+0x296/0x5b0 [ 268.960779] ? trace_hardirqs_on+0xbd/0x310 [ 268.965100] ? kasan_check_read+0x11/0x20 [ 268.969245] ? __run_timers+0x7da/0xc70 [ 268.973221] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.978329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.982585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.986818] __run_timers+0x7e5/0xc70 [ 268.990636] ? timer_fixup_init+0x70/0x70 [ 268.994792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.999809] ? zap_class+0x640/0x640 [ 269.003528] ? print_usage_bug+0xc0/0xc0 [ 269.007596] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.012793] ? find_held_lock+0x36/0x1c0 [ 269.016872] ? zap_class+0x640/0x640 [ 269.020597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.026152] ? check_preemption_disabled+0x48/0x280 [ 269.031178] ? __lock_is_held+0xb5/0x140 [ 269.035242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.040781] ? check_preemption_disabled+0x48/0x280 [ 269.045804] run_timer_softirq+0x52/0xb0 [ 269.049868] ? rcu_read_lock_sched_held+0x14f/0x180 [ 269.054889] __do_softirq+0x308/0xb7e [ 269.058697] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 269.063192] ? lock_downgrade+0x900/0x900 [ 269.067349] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 269.072465] ? pvclock_read_flags+0x160/0x160 [ 269.076983] ? lapic_next_event+0x5a/0x90 [ 269.081156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.086702] ? kvm_clock_read+0x18/0x30 [ 269.090677] ? kvm_sched_clock_read+0x9/0x20 [ 269.095103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.100642] ? check_preemption_disabled+0x48/0x280 [ 269.105669] irq_exit+0x17f/0x1c0 [ 269.109124] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.113970] ? smp_reschedule_interrupt+0x109/0x650 [ 269.118985] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.124887] ? interrupt_entry+0xb5/0xc0 [ 269.128974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.134005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.139037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.143917] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.148953] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.153998] ? task_prio+0x50/0x50 [ 269.157615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.163158] ? check_preemption_disabled+0x48/0x280 [ 269.168236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.173109] apic_timer_interrupt+0xf/0x20 [ 269.177336] [ 269.179607] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 269.184799] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 269.203698] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.211405] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 269.218680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 269.225954] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 269.233251] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 269.240518] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 269.247818] retint_kernel+0x1b/0x2d [ 269.251578] RIP: 0010:dump_stack+0x358/0x39d [ 269.255998] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 269.274896] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 269.282608] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 269.289877] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 269.297141] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 269.304406] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 269.311695] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 269.318979] ? dump_stack+0x34f/0x39d [ 269.322793] ? dump_stack_print_info.cold.1+0x20/0x20 [ 269.327995] dump_header+0x27b/0xf72 [ 269.331717] ? mark_held_locks+0x130/0x130 [ 269.335958] ? pagefault_out_of_memory+0x197/0x197 [ 269.340892] ? __lock_acquire+0x62f/0x4c20 [ 269.345147] ? zap_class+0x640/0x640 [ 269.348878] ? percpu_ref_get_many+0x240/0x240 [ 269.353488] ? print_usage_bug+0xc0/0xc0 [ 269.357580] ? print_usage_bug+0xc0/0xc0 [ 269.361671] ? zap_class+0x640/0x640 [ 269.365402] ? print_usage_bug+0xc0/0xc0 [ 269.369471] ? print_usage_bug+0xc0/0xc0 [ 269.373548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.379141] ? find_held_lock+0x36/0x1c0 [ 269.383223] ? mark_held_locks+0xc7/0x130 [ 269.387372] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.392495] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.397628] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.402265] ? trace_hardirqs_on+0xbd/0x310 [ 269.406586] ? kasan_check_read+0x11/0x20 [ 269.410742] ? ___ratelimit+0x3b4/0x672 [ 269.414715] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.419817] ? trace_hardirqs_on+0x310/0x310 [ 269.424223] ? lock_downgrade+0x900/0x900 [ 269.428392] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.433503] ? ___ratelimit+0x3b9/0x672 [ 269.437479] ? idr_get_free+0xf70/0xf70 [ 269.441481] ? find_held_lock+0x36/0x1c0 [ 269.445567] oom_kill_process.cold.27+0x10/0x903 [ 269.450339] ? zap_class+0x640/0x640 [ 269.454084] ? check_preemption_disabled+0x48/0x280 [ 269.459119] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.464111] ? kasan_check_read+0x11/0x20 [ 269.468258] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.473553] ? oom_evaluate_task+0x540/0x540 [ 269.477977] ? find_held_lock+0x36/0x1c0 [ 269.482047] ? out_of_memory+0x974/0x1430 [ 269.486196] ? lock_downgrade+0x900/0x900 [ 269.490345] ? check_preemption_disabled+0x48/0x280 [ 269.495367] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 269.500298] ? kasan_check_read+0x11/0x20 [ 269.504452] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.509735] ? rcu_softirq_qs+0x20/0x20 [ 269.513743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.519278] ? oom_evaluate_task+0x302/0x540 [ 269.523723] out_of_memory+0xa84/0x1430 [ 269.527707] ? oom_killer_disable+0x3a0/0x3a0 [ 269.532204] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 269.537137] ? __ww_mutex_check_waiters+0x160/0x160 [ 269.542174] __alloc_pages_slowpath+0x2354/0x2e10 [ 269.547051] ? warn_alloc+0x120/0x120 [ 269.550858] ? warn_alloc+0x120/0x120 [ 269.554679] ? warn_alloc+0x120/0x120 [ 269.558493] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.563597] ? print_usage_bug+0xc0/0xc0 [ 269.567660] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.572248] ? print_usage_bug+0xc0/0xc0 [ 269.576314] ? print_usage_bug+0xc0/0xc0 [ 269.580440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.585977] ? should_fail+0x22d/0xd01 [ 269.589878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.594979] ? zap_class+0x640/0x640 [ 269.598720] ? __lock_is_held+0xb5/0x140 [ 269.602786] ? zap_class+0x640/0x640 [ 269.606504] ? lock_release+0xa00/0xa00 [ 269.610486] ? perf_trace_sched_process_exec+0x860/0x860 [ 269.615987] ? check_preemption_disabled+0x48/0x280 [ 269.621010] ? __might_sleep+0x95/0x190 [ 269.624991] __alloc_pages_nodemask+0xa80/0xde0 [ 269.629689] ? zap_class+0x640/0x640 [ 269.633407] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 269.638447] ? mark_held_locks+0xc7/0x130 [ 269.642598] ? cache_grow_begin+0x65/0x8c0 [ 269.646829] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.651418] ? trace_hardirqs_on+0xbd/0x310 [ 269.655748] ? fallback_alloc+0x204/0x2e0 [ 269.659910] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.665017] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.670574] cache_grow_begin+0xa5/0x8c0 [ 269.674656] ? do_raw_spin_unlock+0xa7/0x330 [ 269.679074] fallback_alloc+0x204/0x2e0 [ 269.683053] ____cache_alloc_node+0x1c7/0x1e0 [ 269.687554] kmem_cache_alloc_node+0xe3/0x730 [ 269.692075] __alloc_skb+0x119/0x770 [ 269.695794] ? netdev_alloc_frag+0x1f0/0x1f0 [ 269.700204] ? if_nlmsg_size+0x5d1/0xbb0 [ 269.704274] ? rtnetlink_put_metrics+0x690/0x690 [ 269.709038] ? sk_psock_stop_strp+0x120/0x120 [ 269.713535] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 269.718565] ? netif_tx_stop_all_queues+0xd9/0x110 [ 269.723541] rtmsg_ifinfo_build_skb+0x74/0x190 [ 269.728134] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 269.733012] rtmsg_ifinfo+0x8c/0xa0 [ 269.736657] dev_close_many+0x3be/0x860 [ 269.740640] ? dev_fill_metadata_dst+0x840/0x840 [ 269.745402] ? find_held_lock+0x36/0x1c0 [ 269.749522] ? __queue_work+0x671/0x1440 [ 269.753587] ? lock_downgrade+0x900/0x900 [ 269.757743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.763319] ? rtnl_is_locked+0xb5/0xf0 [ 269.767295] ? rtnl_trylock+0x20/0x20 [ 269.771094] ? do_raw_spin_unlock+0xa7/0x330 [ 269.775508] ? do_raw_spin_trylock+0x270/0x270 [ 269.780097] rollback_registered_many+0x543/0x1250 [ 269.785048] ? generic_xdp_install+0x5a0/0x5a0 [ 269.789681] ? flush_rcu_work+0x90/0x90 [ 269.793664] ? zap_class+0x640/0x640 [ 269.797405] ? print_usage_bug+0xc0/0xc0 [ 269.801505] ? print_usage_bug+0xc0/0xc0 [ 269.805567] ? zap_class+0x640/0x640 [ 269.809311] ? print_usage_bug+0xc0/0xc0 [ 269.813374] ? find_held_lock+0x36/0x1c0 [ 269.817456] ? mark_held_locks+0xc7/0x130 [ 269.821616] rollback_registered+0x1e9/0x420 [ 269.826024] ? lockdep_hardirqs_on+0x321/0x5b0 [ 269.830604] ? rollback_registered_many+0x1250/0x1250 [ 269.835840] ? trace_hardirqs_on+0xbd/0x310 [ 269.840165] ? linkwatch_schedule_work+0x150/0x170 [ 269.845098] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.850206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.855771] ? rtnl_is_locked+0xb5/0xf0 [ 269.859759] ? rtnl_trylock+0x20/0x20 [ 269.863563] ? queue_delayed_work_on+0x130/0x1f0 [ 269.868323] unregister_netdevice_queue+0x321/0x5e0 [ 269.873341] ? rollback_registered+0x420/0x420 [ 269.877926] ? linkwatch_schedule_work+0x170/0x170 [ 269.882889] ? tun_setup+0x2d0/0x2d0 [ 269.886604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.892158] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 269.897524] ? __tun_detach+0x6ba/0x15c0 [ 269.901610] __tun_detach+0x11b8/0x15c0 [ 269.905585] ? __call_rcu.constprop.55+0x3ea/0x950 [ 269.910529] ? __call_rcu.constprop.55+0x3ea/0x950 [ 269.915465] ? tun_attach+0x1900/0x1900 [ 269.919447] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.924553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.930108] ? check_preemption_disabled+0x48/0x280 [ 269.935124] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.939715] ? zap_class+0x640/0x640 [ 269.943436] ? fsnotify+0x4e5/0xf20 [ 269.947068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.952609] ? locks_remove_file+0x3c6/0x5c0 [ 269.958420] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.963975] ? ima_file_free+0x132/0x650 [ 269.968044] ? __lock_is_held+0xb5/0x140 [ 269.972114] ? __tun_detach+0x15c0/0x15c0 [ 269.976269] ? __tun_detach+0x15c0/0x15c0 [ 269.980429] tun_chr_close+0xe3/0x180 [ 269.984233] __fput+0x385/0xa30 [ 269.987525] ? get_max_files+0x20/0x20 [ 269.991441] ? perf_trace_sched_process_exec+0x860/0x860 [ 269.996917] ____fput+0x15/0x20 [ 270.000202] task_work_run+0x1e8/0x2a0 [ 270.004096] ? task_work_cancel+0x240/0x240 [ 270.008432] ? switch_task_namespaces+0xb8/0xd0 [ 270.013111] do_exit+0x1ad6/0x26d0 [ 270.016669] ? mm_update_next_owner+0x990/0x990 [ 270.021339] ? print_usage_bug+0xc0/0xc0 [ 270.025405] ? find_held_lock+0x36/0x1c0 [ 270.029494] ? mark_held_locks+0x130/0x130 [ 270.033751] ? __lock_acquire+0x62f/0x4c20 [ 270.037985] ? pipe_wait+0x266/0x2c0 [ 270.041709] ? lock_release+0xa00/0xa00 [ 270.045695] ? mark_held_locks+0x130/0x130 [ 270.049945] ? __mutex_lock+0x85e/0x16f0 [ 270.054007] ? __switch_to_asm+0x40/0x70 [ 270.058069] ? pipe_wait+0x266/0x2c0 [ 270.061794] ? __switch_to_asm+0x34/0x70 [ 270.065854] ? __switch_to_asm+0x40/0x70 [ 270.069939] ? mutex_trylock+0x2b0/0x2b0 [ 270.074005] ? zap_class+0x640/0x640 [ 270.077752] ? zap_class+0x640/0x640 [ 270.081466] ? find_held_lock+0x36/0x1c0 [ 270.085541] ? memset+0x31/0x40 [ 270.088827] ? find_held_lock+0x36/0x1c0 [ 270.092898] ? get_signal+0x95b/0x1980 [ 270.096791] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.101287] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.105792] do_group_exit+0x177/0x440 [ 270.109686] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.114806] ? __ia32_sys_exit+0x50/0x50 [ 270.118892] get_signal+0x8b0/0x1980 [ 270.122633] ? ptrace_notify+0x130/0x130 [ 270.126708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.132246] ? pipe_read+0x702/0x940 [ 270.135997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.141576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.147114] ? __vfs_read+0x11f/0x9b0 [ 270.150922] do_signal+0x9c/0x21c0 [ 270.154489] ? fsnotify+0xf20/0xf20 [ 270.158125] ? setup_sigcontext+0x7d0/0x7d0 [ 270.162456] ? exit_to_usermode_loop+0x8c/0x380 [ 270.167145] ? exit_to_usermode_loop+0x8c/0x380 [ 270.171821] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 270.176408] ? trace_hardirqs_on+0xbd/0x310 [ 270.180743] ? do_syscall_64+0x6be/0x820 [ 270.184813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.190357] exit_to_usermode_loop+0x2e5/0x380 [ 270.194973] ? __bpf_trace_sys_exit+0x30/0x30 [ 270.199490] do_syscall_64+0x6be/0x820 [ 270.203380] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.208767] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.213700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.218550] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.223580] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.228605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.233456] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.238648] RIP: 0033:0x410fa0 [ 270.241868] Code: Bad RIP value. [ 270.245227] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 270.252943] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 270.260223] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 270.267489] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 270.274758] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 270.282025] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 270.289322] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 270.289403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.296708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.296713] Call Trace: [ 270.296719] [ 270.296739] dump_stack+0x244/0x39d [ 270.296758] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.303313] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.312606] warn_alloc.cold.116+0xb7/0x1bd [ 270.315164] syz-executor5 cpuset=syz5 mems_allowed=0 [ 270.317329] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.350824] ? lock_downgrade+0x900/0x900 [ 270.354986] ? trace_hardirqs_off+0xb8/0x310 [ 270.359400] ? trace_hardirqs_off+0xb8/0x310 [ 270.363828] __alloc_pages_slowpath+0x26e8/0x2e10 [ 270.368700] ? warn_alloc+0x120/0x120 [ 270.372551] ? print_usage_bug+0xc0/0xc0 [ 270.376624] ? warn_alloc+0x120/0x120 [ 270.380444] ? warn_alloc+0x120/0x120 [ 270.384282] ? print_usage_bug+0xc0/0xc0 [ 270.388345] ? kvm_clock_read+0x18/0x30 [ 270.392325] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.397342] ? print_usage_bug+0xc0/0xc0 [ 270.401403] ? __lock_acquire+0x62f/0x4c20 [ 270.405673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.411211] ? should_fail+0x22d/0xd01 [ 270.415115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.420392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.425503] ? __lock_acquire+0x62f/0x4c20 [ 270.429754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.434854] ? __lock_acquire+0x62f/0x4c20 [ 270.439086] ? should_fail+0x22d/0xd01 [ 270.442973] ? rcu_irq_exit+0x1a2/0x390 [ 270.446987] ? mark_held_locks+0x130/0x130 [ 270.451247] ? mark_held_locks+0x130/0x130 [ 270.455507] ? mark_held_locks+0xc7/0x130 [ 270.459658] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 270.464673] ? zap_class+0x640/0x640 [ 270.468427] ? print_usage_bug+0xc0/0xc0 [ 270.472496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.478052] ? check_preemption_disabled+0x48/0x280 [ 270.483093] ? __lock_is_held+0xb5/0x140 [ 270.487158] __alloc_pages_nodemask+0xa80/0xde0 [ 270.491830] ? zap_class+0x640/0x640 [ 270.495562] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 270.500591] ? find_held_lock+0x36/0x1c0 [ 270.504665] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.509347] ? lock_downgrade+0x900/0x900 [ 270.513499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.519040] cache_grow_begin+0xa5/0x8c0 [ 270.523114] ? do_raw_spin_unlock+0xa7/0x330 [ 270.527547] fallback_alloc+0x204/0x2e0 [ 270.531528] ____cache_alloc_node+0x1c7/0x1e0 [ 270.536026] kmem_cache_alloc_node+0xe3/0x730 [ 270.540522] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.544765] __alloc_skb+0x119/0x770 [ 270.548493] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.553784] ? netdev_alloc_frag+0x1f0/0x1f0 [ 270.558195] ? lock_downgrade+0x900/0x900 [ 270.562364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.567916] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.573369] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.578831] ? addrconf_rs_timer+0x690/0x690 [ 270.583728] ndisc_alloc_skb+0x144/0x340 [ 270.587796] ndisc_send_rs+0x331/0x6e0 [ 270.591690] addrconf_rs_timer+0x314/0x690 [ 270.595935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.600175] call_timer_fn+0x272/0x920 [ 270.604059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.608314] ? process_timeout+0x40/0x40 [ 270.612381] ? __run_timers+0x7da/0xc70 [ 270.616359] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.621040] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.625533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.629768] ? lockdep_hardirqs_on+0x296/0x5b0 [ 270.634378] ? trace_hardirqs_on+0xbd/0x310 [ 270.638697] ? kasan_check_read+0x11/0x20 [ 270.642857] ? __run_timers+0x7da/0xc70 [ 270.646831] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.651942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.656187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.660430] __run_timers+0x7e5/0xc70 [ 270.664254] ? timer_fixup_init+0x70/0x70 [ 270.668423] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.673454] ? zap_class+0x640/0x640 [ 270.677174] ? enqueue_hrtimer+0x1a5/0x560 [ 270.681411] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.686642] ? find_held_lock+0x36/0x1c0 [ 270.690729] ? zap_class+0x640/0x640 [ 270.694469] ? pvclock_read_flags+0x160/0x160 [ 270.698986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.704529] ? check_preemption_disabled+0x48/0x280 [ 270.709555] ? __lock_is_held+0xb5/0x140 [ 270.713855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.719401] ? check_preemption_disabled+0x48/0x280 [ 270.724450] run_timer_softirq+0x52/0xb0 [ 270.728513] ? rcu_read_lock_sched_held+0x14f/0x180 [ 270.733544] __do_softirq+0x308/0xb7e [ 270.737348] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 270.741889] ? lock_downgrade+0x900/0x900 [ 270.746050] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 270.751162] ? pvclock_read_flags+0x160/0x160 [ 270.755661] ? lapic_next_event+0x5a/0x90 [ 270.759828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.765373] ? kvm_clock_read+0x18/0x30 [ 270.769346] ? kvm_sched_clock_read+0x9/0x20 [ 270.773763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.779334] ? check_preemption_disabled+0x48/0x280 [ 270.784358] irq_exit+0x17f/0x1c0 [ 270.787815] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.792673] ? smp_reschedule_interrupt+0x109/0x650 [ 270.797692] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.803608] ? interrupt_entry+0xb5/0xc0 [ 270.807676] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.812711] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.817742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.822587] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.827620] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.832637] ? task_prio+0x50/0x50 [ 270.836180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.841749] ? check_preemption_disabled+0x48/0x280 [ 270.846788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.851639] apic_timer_interrupt+0xf/0x20 [ 270.855869] [ 270.858109] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 270.863993] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 270.882907] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.890610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.897874] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 270.905137] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 270.912401] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 270.919678] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 270.926987] ? save_stack+0xa9/0xd0 [ 270.930656] __kmalloc_node_track_caller+0x3c/0x70 [ 270.935602] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 270.940365] pskb_expand_head+0x230/0x10f0 [ 270.944608] ? memcpy+0x45/0x50 [ 270.947893] ? __copy_skb_header+0x350/0x6b0 [ 270.952305] ? skb_release_data+0x880/0x880 [ 270.956630] ? __alloc_skb+0x770/0x770 [ 270.960529] ? __lock_is_held+0xb5/0x140 [ 270.964602] ? kasan_check_write+0x14/0x20 [ 270.968836] ? __skb_clone+0x6c7/0xa00 [ 270.972728] ? __copy_skb_header+0x6b0/0x6b0 [ 270.977151] ? kmem_cache_alloc+0x33a/0x730 [ 270.981487] skb_ensure_writable+0x3dd/0x640 [ 270.985902] ? skb_checksum_setup+0xaa0/0xaa0 [ 270.990402] ? check_preemption_disabled+0x48/0x280 [ 270.995462] ? __this_cpu_preempt_check+0x1c/0x20 [ 271.000312] ? __bpf_redirect+0x54b/0xb20 [ 271.004490] bpf_clone_redirect+0x14a/0x490 [ 271.008843] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 271.013872] ? __sched_text_start+0x8/0x8 [ 271.018037] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 271.022628] ? retint_kernel+0x2d/0x2d [ 271.026525] ? trace_hardirqs_on_caller+0xc0/0x310 [ 271.031479] ? find_held_lock+0x36/0x1c0 [ 271.035560] ? lock_acquire+0x1ed/0x520 [ 271.039571] ? bpf_test_run+0x3cb/0x780 [ 271.043557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.049105] ? check_preemption_disabled+0x48/0x280 [ 271.054140] ? kasan_check_read+0x11/0x20 [ 271.058318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.063608] ? rcu_softirq_qs+0x20/0x20 [ 271.067598] ? preempt_schedule+0x4d/0x60 [ 271.071759] ? ___preempt_schedule+0x16/0x18 [ 271.076191] ? bpf_test_run+0x25d/0x780 [ 271.080188] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.084609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.090157] ? bpf_test_init.isra.10+0x70/0x100 [ 271.094842] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 271.099614] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 271.104476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.110029] ? fput+0x130/0x1a0 [ 271.113330] ? __bpf_prog_get+0x9b/0x290 [ 271.117399] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 271.122274] ? bpf_prog_test_run+0x130/0x1a0 [ 271.126701] ? __x64_sys_bpf+0x3d8/0x520 [ 271.130782] ? bpf_prog_get+0x20/0x20 [ 271.134607] ? do_syscall_64+0x1b9/0x820 [ 271.138681] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.144068] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.149018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.153873] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.158911] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.163963] ? prepare_exit_to_usermode+0x291/0x3b0 [ 271.169006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.173863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.179287] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 271.179293] warn_alloc_show_mem: 1 callbacks suppressed [ 271.179300] Mem-Info: [ 271.186575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.186584] Call Trace: [ 271.191965] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 271.191965] active_file:12 inactive_file:13 isolated_file:0 [ 271.191965] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.191965] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 271.191965] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 271.191965] free:13733 free_pcp:586 free_cma:0 [ 271.194368] [ 271.203736] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.206331] dump_stack+0x244/0x39d [ 271.239194] 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 [ 271.241358] ? dump_stack_print_info.cold.1+0x20/0x20 [ 271.268742] lowmem_reserve[]: 0 2818 6321 6321 [ 271.272428] warn_alloc.cold.116+0xb7/0x1bd [ 271.298528] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.303734] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.308280] lowmem_reserve[]: 0 0 3503 3503 [ 271.312616] ? lock_downgrade+0x900/0x900 [ 271.340188] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 271.345047] ? trace_hardirqs_off+0xb8/0x310 [ 271.349331] lowmem_reserve[]: 0 0 0 0 [ 271.353494] ? trace_hardirqs_off+0xb8/0x310 [ 271.382464] 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 [ 271.386893] __alloc_pages_slowpath+0x26e8/0x2e10 [ 271.390658] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 271.395102] ? warn_alloc+0x120/0x120 [ 271.408590] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 271.413450] ? print_usage_bug+0xc0/0xc0 [ 271.428790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.432598] ? warn_alloc+0x120/0x120 [ 271.446465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.450550] ? warn_alloc+0x120/0x120 [ 271.459364] 269 total pagecache pages [ 271.463178] ? print_usage_bug+0xc0/0xc0 [ 271.471734] 0 pages in swap cache [ 271.475541] ? kvm_clock_read+0x18/0x30 [ 271.479320] Swap cache stats: add 0, delete 0, find 0/0 [ 271.479330] Free swap = 0kB [ 271.483391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 271.486819] Total swap = 0kB [ 271.490803] ? print_usage_bug+0xc0/0xc0 [ 271.496142] 1965979 pages RAM [ 271.499180] ? __lock_acquire+0x62f/0x4c20 [ 271.504172] 0 pages HighMem/MovableOnly [ 271.507195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.511227] 342853 pages reserved [ 271.511236] 0 pages cma reserved [ 271.514343] ? should_fail+0x22d/0xd01 [ 271.518617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.522524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.522545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.528245] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.531525] ? __lock_acquire+0x62f/0x4c20 [ 271.531547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.535205] syz-executor0 cpuset=syz0 mems_allowed=0 [ 271.539103] ? __lock_acquire+0x62f/0x4c20 [ 271.539122] ? should_fail+0x22d/0xd01 [ 271.589240] ? rcu_irq_exit+0x1a2/0x390 [ 271.593247] ? mark_held_locks+0x130/0x130 [ 271.597524] ? mark_held_locks+0x130/0x130 [ 271.601768] ? mark_held_locks+0xc7/0x130 [ 271.605918] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 271.610948] ? zap_class+0x640/0x640 [ 271.614663] ? print_usage_bug+0xc0/0xc0 [ 271.618750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.624296] ? check_preemption_disabled+0x48/0x280 [ 271.629326] ? __lock_is_held+0xb5/0x140 [ 271.633399] __alloc_pages_nodemask+0xa80/0xde0 [ 271.638084] ? zap_class+0x640/0x640 [ 271.641805] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 271.646835] ? find_held_lock+0x36/0x1c0 [ 271.650918] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.655619] ? lock_downgrade+0x900/0x900 [ 271.659780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.665341] cache_grow_begin+0xa5/0x8c0 [ 271.669407] ? do_raw_spin_unlock+0xa7/0x330 [ 271.673836] fallback_alloc+0x204/0x2e0 [ 271.677834] ____cache_alloc_node+0x1c7/0x1e0 [ 271.682341] kmem_cache_alloc_node+0xe3/0x730 [ 271.686845] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.691095] __alloc_skb+0x119/0x770 [ 271.694827] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.700115] ? netdev_alloc_frag+0x1f0/0x1f0 [ 271.704537] ? lock_downgrade+0x900/0x900 [ 271.708697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.714239] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.719711] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.725169] ? addrconf_rs_timer+0x690/0x690 [ 271.729591] ndisc_alloc_skb+0x144/0x340 [ 271.733684] ndisc_send_rs+0x331/0x6e0 [ 271.737590] addrconf_rs_timer+0x314/0x690 [ 271.741840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.746105] call_timer_fn+0x272/0x920 [ 271.750000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.754238] ? process_timeout+0x40/0x40 [ 271.758309] ? mark_held_locks+0xc7/0x130 [ 271.762477] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.766978] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.771493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.775739] ? lockdep_hardirqs_on+0x296/0x5b0 [ 271.780343] ? trace_hardirqs_on+0xbd/0x310 [ 271.784672] ? kasan_check_read+0x11/0x20 [ 271.788824] ? __run_timers+0x7da/0xc70 [ 271.792805] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.797954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.802221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.806474] __run_timers+0x7e5/0xc70 [ 271.810300] ? timer_fixup_init+0x70/0x70 [ 271.814478] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.819506] ? zap_class+0x640/0x640 [ 271.823227] ? print_usage_bug+0xc0/0xc0 [ 271.827295] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.832513] ? find_held_lock+0x36/0x1c0 [ 271.836585] ? zap_class+0x640/0x640 [ 271.840310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.845855] ? check_preemption_disabled+0x48/0x280 [ 271.850892] ? __lock_is_held+0xb5/0x140 [ 271.854966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.860526] ? check_preemption_disabled+0x48/0x280 [ 271.865559] run_timer_softirq+0x52/0xb0 [ 271.869626] ? rcu_read_lock_sched_held+0x14f/0x180 [ 271.874653] __do_softirq+0x308/0xb7e [ 271.878462] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 271.882967] ? lock_downgrade+0x900/0x900 [ 271.887141] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 271.892262] ? pvclock_read_flags+0x160/0x160 [ 271.896769] ? lapic_next_event+0x5a/0x90 [ 271.900943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.906493] ? kvm_clock_read+0x18/0x30 [ 271.910468] ? kvm_sched_clock_read+0x9/0x20 [ 271.914886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.920459] ? check_preemption_disabled+0x48/0x280 [ 271.925511] irq_exit+0x17f/0x1c0 [ 271.928973] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.933817] ? smp_reschedule_interrupt+0x109/0x650 [ 271.938839] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.944730] ? interrupt_entry+0xb5/0xc0 [ 271.948793] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.953814] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.958839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.963689] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.968728] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.973747] ? task_prio+0x50/0x50 [ 271.977293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.982891] ? check_preemption_disabled+0x48/0x280 [ 271.987951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.992809] apic_timer_interrupt+0xf/0x20 [ 271.997039] [ 271.999295] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 272.004488] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 272.023402] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 272.031147] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 272.038454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 272.045732] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 272.053016] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 272.060302] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 272.067627] retint_kernel+0x1b/0x2d [ 272.071357] RIP: 0010:dump_stack+0x358/0x39d [ 272.075771] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 272.094685] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 272.102407] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 272.109692] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 272.116975] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 272.124249] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 272.131534] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 272.138876] ? dump_stack+0x34f/0x39d [ 272.142694] ? dump_stack_print_info.cold.1+0x20/0x20 [ 272.147898] dump_header+0x27b/0xf72 [ 272.151649] ? mark_held_locks+0x130/0x130 [ 272.155892] ? pagefault_out_of_memory+0x197/0x197 [ 272.160837] ? __lock_acquire+0x62f/0x4c20 [ 272.165076] ? zap_class+0x640/0x640 [ 272.168799] ? percpu_ref_get_many+0x240/0x240 [ 272.173387] ? print_usage_bug+0xc0/0xc0 [ 272.177467] ? print_usage_bug+0xc0/0xc0 [ 272.181555] ? zap_class+0x640/0x640 [ 272.185315] ? print_usage_bug+0xc0/0xc0 [ 272.189381] ? print_usage_bug+0xc0/0xc0 [ 272.193480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.199026] ? find_held_lock+0x36/0x1c0 [ 272.203102] ? mark_held_locks+0xc7/0x130 [ 272.207259] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.212367] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.217475] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.222073] ? trace_hardirqs_on+0xbd/0x310 [ 272.226395] ? kasan_check_read+0x11/0x20 [ 272.230553] ? ___ratelimit+0x3b4/0x672 [ 272.234551] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.239658] ? trace_hardirqs_on+0x310/0x310 [ 272.244084] ? lock_downgrade+0x900/0x900 [ 272.248242] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.253346] ? ___ratelimit+0x3b9/0x672 [ 272.257324] ? idr_get_free+0xf70/0xf70 [ 272.261305] ? find_held_lock+0x36/0x1c0 [ 272.265381] oom_kill_process.cold.27+0x10/0x903 [ 272.270150] ? zap_class+0x640/0x640 [ 272.273866] ? check_preemption_disabled+0x48/0x280 [ 272.278904] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.283872] ? kasan_check_read+0x11/0x20 [ 272.288035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.293331] ? oom_evaluate_task+0x540/0x540 [ 272.297757] ? find_held_lock+0x36/0x1c0 [ 272.301857] ? out_of_memory+0x974/0x1430 [ 272.306021] ? lock_downgrade+0x900/0x900 [ 272.310170] ? check_preemption_disabled+0x48/0x280 [ 272.315191] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.320155] ? kasan_check_read+0x11/0x20 [ 272.324312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.329605] ? rcu_softirq_qs+0x20/0x20 [ 272.333589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.339131] ? oom_evaluate_task+0x302/0x540 [ 272.343550] out_of_memory+0xa84/0x1430 [ 272.347534] ? oom_killer_disable+0x3a0/0x3a0 [ 272.352046] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 272.356983] ? __ww_mutex_check_waiters+0x160/0x160 [ 272.362016] __alloc_pages_slowpath+0x2354/0x2e10 [ 272.366895] ? warn_alloc+0x120/0x120 [ 272.370708] ? warn_alloc+0x120/0x120 [ 272.374542] ? warn_alloc+0x120/0x120 [ 272.378343] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.383470] ? print_usage_bug+0xc0/0xc0 [ 272.387539] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.392131] ? print_usage_bug+0xc0/0xc0 [ 272.396199] ? print_usage_bug+0xc0/0xc0 [ 272.400265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.405826] ? should_fail+0x22d/0xd01 [ 272.409725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.414835] ? zap_class+0x640/0x640 [ 272.418586] ? __lock_is_held+0xb5/0x140 [ 272.422657] ? zap_class+0x640/0x640 [ 272.426374] ? lock_release+0xa00/0xa00 [ 272.430349] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.435819] ? check_preemption_disabled+0x48/0x280 [ 272.440853] ? __might_sleep+0x95/0x190 [ 272.444837] __alloc_pages_nodemask+0xa80/0xde0 [ 272.449510] ? zap_class+0x640/0x640 [ 272.453235] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 272.458272] ? mark_held_locks+0xc7/0x130 [ 272.462477] ? cache_grow_begin+0x65/0x8c0 [ 272.466736] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.471322] ? trace_hardirqs_on+0xbd/0x310 [ 272.475664] ? fallback_alloc+0x204/0x2e0 [ 272.479820] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.484953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.490507] cache_grow_begin+0xa5/0x8c0 [ 272.494587] ? do_raw_spin_unlock+0xa7/0x330 [ 272.499023] fallback_alloc+0x204/0x2e0 [ 272.503008] ____cache_alloc_node+0x1c7/0x1e0 [ 272.507528] kmem_cache_alloc_node+0xe3/0x730 [ 272.512036] __alloc_skb+0x119/0x770 [ 272.515760] ? netdev_alloc_frag+0x1f0/0x1f0 [ 272.520177] ? if_nlmsg_size+0x5d1/0xbb0 [ 272.524244] ? rtnetlink_put_metrics+0x690/0x690 [ 272.529010] ? sk_psock_stop_strp+0x120/0x120 [ 272.533505] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.538538] ? netif_tx_stop_all_queues+0xd9/0x110 [ 272.543499] rtmsg_ifinfo_build_skb+0x74/0x190 [ 272.548106] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 272.552957] rtmsg_ifinfo+0x8c/0xa0 [ 272.556622] dev_close_many+0x3be/0x860 [ 272.560612] ? dev_fill_metadata_dst+0x840/0x840 [ 272.565388] ? find_held_lock+0x36/0x1c0 [ 272.569500] ? __queue_work+0x671/0x1440 [ 272.573565] ? lock_downgrade+0x900/0x900 [ 272.577726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.583434] ? rtnl_is_locked+0xb5/0xf0 [ 272.587420] ? rtnl_trylock+0x20/0x20 [ 272.591222] ? do_raw_spin_unlock+0xa7/0x330 [ 272.595627] ? do_raw_spin_trylock+0x270/0x270 [ 272.600220] rollback_registered_many+0x543/0x1250 [ 272.605163] ? generic_xdp_install+0x5a0/0x5a0 [ 272.609759] ? flush_rcu_work+0x90/0x90 [ 272.613741] ? zap_class+0x640/0x640 [ 272.617461] ? print_usage_bug+0xc0/0xc0 [ 272.621530] ? print_usage_bug+0xc0/0xc0 [ 272.625595] ? zap_class+0x640/0x640 [ 272.629312] ? print_usage_bug+0xc0/0xc0 [ 272.633383] ? find_held_lock+0x36/0x1c0 [ 272.637485] ? mark_held_locks+0xc7/0x130 [ 272.641643] rollback_registered+0x1e9/0x420 [ 272.646071] ? lockdep_hardirqs_on+0x321/0x5b0 [ 272.650665] ? rollback_registered_many+0x1250/0x1250 [ 272.655866] ? trace_hardirqs_on+0xbd/0x310 [ 272.660197] ? linkwatch_schedule_work+0x150/0x170 [ 272.665131] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.670250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.675802] ? rtnl_is_locked+0xb5/0xf0 [ 272.679796] ? rtnl_trylock+0x20/0x20 [ 272.683608] ? queue_delayed_work_on+0x130/0x1f0 [ 272.688399] unregister_netdevice_queue+0x321/0x5e0 [ 272.693439] ? rollback_registered+0x420/0x420 [ 272.698064] ? linkwatch_schedule_work+0x170/0x170 [ 272.703001] ? tun_setup+0x2d0/0x2d0 [ 272.706724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.712270] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 272.718097] ? __tun_detach+0x6ba/0x15c0 [ 272.722171] __tun_detach+0x11b8/0x15c0 [ 272.726145] ? __call_rcu.constprop.55+0x3ea/0x950 [ 272.731130] ? __call_rcu.constprop.55+0x3ea/0x950 [ 272.736066] ? tun_attach+0x1900/0x1900 [ 272.740045] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.745167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.750706] ? check_preemption_disabled+0x48/0x280 [ 272.755734] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.760325] ? zap_class+0x640/0x640 [ 272.764054] ? fsnotify+0x4e5/0xf20 [ 272.767689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.773253] ? locks_remove_file+0x3c6/0x5c0 [ 272.777668] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.783201] ? ima_file_free+0x132/0x650 [ 272.787267] ? __lock_is_held+0xb5/0x140 [ 272.791337] ? __tun_detach+0x15c0/0x15c0 [ 272.795507] ? __tun_detach+0x15c0/0x15c0 [ 272.799658] tun_chr_close+0xe3/0x180 [ 272.803479] __fput+0x385/0xa30 [ 272.806800] ? get_max_files+0x20/0x20 [ 272.810696] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.816165] ____fput+0x15/0x20 [ 272.819479] task_work_run+0x1e8/0x2a0 [ 272.823373] ? task_work_cancel+0x240/0x240 [ 272.827701] ? switch_task_namespaces+0xb8/0xd0 [ 272.832377] do_exit+0x1ad6/0x26d0 [ 272.835940] ? mm_update_next_owner+0x990/0x990 [ 272.840608] ? print_usage_bug+0xc0/0xc0 [ 272.844669] ? find_held_lock+0x36/0x1c0 [ 272.848760] ? mark_held_locks+0x130/0x130 [ 272.853039] ? __lock_acquire+0x62f/0x4c20 [ 272.857274] ? pipe_wait+0x266/0x2c0 [ 272.860994] ? lock_release+0xa00/0xa00 [ 272.864975] ? mark_held_locks+0x130/0x130 [ 272.869225] ? __mutex_lock+0x85e/0x16f0 [ 272.873283] ? __switch_to_asm+0x40/0x70 [ 272.877342] ? pipe_wait+0x266/0x2c0 [ 272.881053] ? __switch_to_asm+0x34/0x70 [ 272.885109] ? __switch_to_asm+0x40/0x70 [ 272.889175] ? mutex_trylock+0x2b0/0x2b0 [ 272.893250] ? zap_class+0x640/0x640 [ 272.896987] ? zap_class+0x640/0x640 [ 272.900714] ? find_held_lock+0x36/0x1c0 [ 272.904783] ? memset+0x31/0x40 [ 272.908079] ? find_held_lock+0x36/0x1c0 [ 272.912147] ? get_signal+0x95b/0x1980 [ 272.916031] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.920526] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.925057] do_group_exit+0x177/0x440 [ 272.928968] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.934096] ? __ia32_sys_exit+0x50/0x50 [ 272.938167] get_signal+0x8b0/0x1980 [ 272.941886] ? ptrace_notify+0x130/0x130 [ 272.945970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.951536] ? pipe_read+0x702/0x940 [ 272.955255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.960809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.966348] ? __vfs_read+0x11f/0x9b0 [ 272.970158] do_signal+0x9c/0x21c0 [ 272.973703] ? fsnotify+0xf20/0xf20 [ 272.977353] ? setup_sigcontext+0x7d0/0x7d0 [ 272.981685] ? exit_to_usermode_loop+0x8c/0x380 [ 272.986353] ? exit_to_usermode_loop+0x8c/0x380 [ 272.991028] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.995612] ? trace_hardirqs_on+0xbd/0x310 [ 272.999932] ? do_syscall_64+0x6be/0x820 [ 273.004009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.009570] exit_to_usermode_loop+0x2e5/0x380 [ 273.014172] ? __bpf_trace_sys_exit+0x30/0x30 [ 273.018681] do_syscall_64+0x6be/0x820 [ 273.022566] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.027933] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.032865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.037722] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.042745] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.047767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.052620] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.057812] RIP: 0033:0x410fa0 [ 273.061105] Code: Bad RIP value. [ 273.064480] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 273.072184] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 273.079464] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 273.086729] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 273.093993] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 273.101262] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 273.108569] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 273.108652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.115948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.115953] Call Trace: [ 273.115959] [ 273.115977] dump_stack+0x244/0x39d [ 273.115995] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.122520] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.131825] warn_alloc.cold.116+0xb7/0x1bd [ 273.134379] syz-executor5 cpuset=syz5 mems_allowed=0 [ 273.136527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.170017] ? lock_downgrade+0x900/0x900 [ 273.174171] ? trace_hardirqs_off+0xb8/0x310 [ 273.178628] ? trace_hardirqs_off+0xb8/0x310 [ 273.183045] __alloc_pages_slowpath+0x26e8/0x2e10 [ 273.187919] ? warn_alloc+0x120/0x120 [ 273.191722] ? print_usage_bug+0xc0/0xc0 [ 273.195786] ? warn_alloc+0x120/0x120 [ 273.199594] ? warn_alloc+0x120/0x120 [ 273.203422] ? print_usage_bug+0xc0/0xc0 [ 273.207491] ? kvm_clock_read+0x18/0x30 [ 273.211474] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.216494] ? print_usage_bug+0xc0/0xc0 [ 273.220569] ? check_usage_forwards+0x3d0/0x3d0 [ 273.225239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.230782] ? should_fail+0x22d/0xd01 [ 273.234668] ? __bfs+0x321/0x780 [ 273.238042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.243154] ? __lock_acquire+0x62f/0x4c20 [ 273.247393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.252502] ? __lock_acquire+0x62f/0x4c20 [ 273.256768] ? should_fail+0x22d/0xd01 [ 273.260667] ? mark_held_locks+0x130/0x130 [ 273.264919] ? mark_held_locks+0x130/0x130 [ 273.269168] ? kasan_check_read+0x11/0x20 [ 273.273319] ? __lock_acquire+0x2aff/0x4c20 [ 273.277649] ? zap_class+0x640/0x640 [ 273.281373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.286912] ? check_preemption_disabled+0x48/0x280 [ 273.291944] ? __lock_is_held+0xb5/0x140 [ 273.296016] __alloc_pages_nodemask+0xa80/0xde0 [ 273.300688] ? zap_class+0x640/0x640 [ 273.304421] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 273.309464] ? find_held_lock+0x36/0x1c0 [ 273.313536] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.318220] ? lock_downgrade+0x900/0x900 [ 273.322394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.327942] cache_grow_begin+0xa5/0x8c0 [ 273.332006] ? do_raw_spin_unlock+0xa7/0x330 [ 273.336448] fallback_alloc+0x204/0x2e0 [ 273.340445] ____cache_alloc_node+0x1c7/0x1e0 [ 273.344979] kmem_cache_alloc_node+0xe3/0x730 [ 273.349489] ? do_raw_spin_unlock+0xa7/0x330 [ 273.353899] ? do_raw_spin_trylock+0x270/0x270 [ 273.358506] __alloc_skb+0x119/0x770 [ 273.362241] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.366665] ? atomic_notifier_call_chain+0xc6/0x190 [ 273.371779] ? lock_downgrade+0x900/0x900 [ 273.375940] ? check_preemption_disabled+0x48/0x280 [ 273.381009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 273.385956] ? kasan_check_read+0x11/0x20 [ 273.390118] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.395395] ? rcu_softirq_qs+0x20/0x20 [ 273.399384] ? kasan_check_read+0x11/0x20 [ 273.403542] ? do_raw_write_trylock+0x270/0x270 [ 273.408234] __neigh_notify+0x8c/0x160 [ 273.412127] ? neigh_connected_output+0x780/0x780 [ 273.416969] neigh_timer_handler+0x6cb/0xdf0 [ 273.421376] ? check_preemption_disabled+0x48/0x280 [ 273.426393] ? neigh_periodic_work+0xc60/0xc60 [ 273.431004] ? __lock_is_held+0xb5/0x140 [ 273.435107] call_timer_fn+0x272/0x920 [ 273.438999] ? neigh_periodic_work+0xc60/0xc60 [ 273.443617] ? process_timeout+0x40/0x40 [ 273.447699] ? __run_timers+0x7da/0xc70 [ 273.451678] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.456172] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.460664] ? neigh_periodic_work+0xc60/0xc60 [ 273.465264] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.469847] ? trace_hardirqs_on+0xbd/0x310 [ 273.474184] ? kasan_check_read+0x11/0x20 [ 273.478333] ? __run_timers+0x7da/0xc70 [ 273.482306] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.487428] ? neigh_periodic_work+0xc60/0xc60 [ 273.492013] __run_timers+0x7e5/0xc70 [ 273.495839] ? timer_fixup_init+0x70/0x70 [ 273.499989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.505020] ? zap_class+0x640/0x640 [ 273.508795] ? enqueue_hrtimer+0x1a5/0x560 [ 273.513036] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.518233] ? find_held_lock+0x36/0x1c0 [ 273.522310] ? zap_class+0x640/0x640 [ 273.526031] ? pvclock_read_flags+0x160/0x160 [ 273.530530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.536069] ? check_preemption_disabled+0x48/0x280 [ 273.541095] ? __lock_is_held+0xb5/0x140 [ 273.545173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.550715] ? check_preemption_disabled+0x48/0x280 [ 273.555741] run_timer_softirq+0x52/0xb0 [ 273.559803] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.564830] __do_softirq+0x308/0xb7e [ 273.568638] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 273.573144] ? lock_downgrade+0x900/0x900 [ 273.577324] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.582447] ? pvclock_read_flags+0x160/0x160 [ 273.586949] ? lapic_next_event+0x5a/0x90 [ 273.591098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.596642] ? kvm_clock_read+0x18/0x30 [ 273.600617] ? kvm_sched_clock_read+0x9/0x20 [ 273.605024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.610563] ? check_preemption_disabled+0x48/0x280 [ 273.615620] irq_exit+0x17f/0x1c0 [ 273.619085] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.623923] ? smp_reschedule_interrupt+0x109/0x650 [ 273.628937] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.634820] ? interrupt_entry+0xb5/0xc0 [ 273.638883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.643898] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.648911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.653772] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.658787] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.663802] ? task_prio+0x50/0x50 [ 273.667347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.672884] ? check_preemption_disabled+0x48/0x280 [ 273.677904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.682752] apic_timer_interrupt+0xf/0x20 [ 273.687004] [ 273.689242] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 273.695125] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 273.714024] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.721725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.728992] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 273.736261] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 273.743541] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 273.750824] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 273.758150] ? save_stack+0xa9/0xd0 [ 273.761791] __kmalloc_node_track_caller+0x3c/0x70 [ 273.766725] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 273.771499] pskb_expand_head+0x230/0x10f0 [ 273.775739] ? memcpy+0x45/0x50 [ 273.779019] ? __copy_skb_header+0x350/0x6b0 [ 273.783434] ? skb_release_data+0x880/0x880 [ 273.787790] ? __alloc_skb+0x770/0x770 [ 273.791691] ? __lock_is_held+0xb5/0x140 [ 273.795773] ? kasan_check_write+0x14/0x20 [ 273.800106] ? __skb_clone+0x6c7/0xa00 [ 273.803995] ? __copy_skb_header+0x6b0/0x6b0 [ 273.808401] ? kmem_cache_alloc+0x33a/0x730 [ 273.812750] skb_ensure_writable+0x3dd/0x640 [ 273.817162] ? skb_checksum_setup+0xaa0/0xaa0 [ 273.821662] ? check_preemption_disabled+0x48/0x280 [ 273.826690] ? __this_cpu_preempt_check+0x1c/0x20 [ 273.831541] ? __bpf_redirect+0x54b/0xb20 [ 273.835695] bpf_clone_redirect+0x14a/0x490 [ 273.840029] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 273.845066] ? __sched_text_start+0x8/0x8 [ 273.849218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 273.853801] ? retint_kernel+0x2d/0x2d [ 273.857697] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.862649] ? find_held_lock+0x36/0x1c0 [ 273.866721] ? lock_acquire+0x1ed/0x520 [ 273.870696] ? bpf_test_run+0x3cb/0x780 [ 273.874693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.880247] ? check_preemption_disabled+0x48/0x280 [ 273.885286] ? kasan_check_read+0x11/0x20 [ 273.889465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.894785] ? rcu_softirq_qs+0x20/0x20 [ 273.898761] ? preempt_schedule+0x4d/0x60 [ 273.902924] ? ___preempt_schedule+0x16/0x18 [ 273.907343] ? bpf_test_run+0x25d/0x780 [ 273.911338] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.915751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.921286] ? bpf_test_init.isra.10+0x70/0x100 [ 273.925957] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 273.930727] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 273.935598] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.941140] ? fput+0x130/0x1a0 [ 273.944427] ? __bpf_prog_get+0x9b/0x290 [ 273.948500] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 273.953350] ? bpf_prog_test_run+0x130/0x1a0 [ 273.957764] ? __x64_sys_bpf+0x3d8/0x520 [ 273.961824] ? bpf_prog_get+0x20/0x20 [ 273.965645] ? do_syscall_64+0x1b9/0x820 [ 273.969703] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.975068] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.980001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.984846] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.989865] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.994912] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.999980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.004829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 274.010208] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 274.010213] warn_alloc_show_mem: 1 callbacks suppressed [ 274.010220] Mem-Info: [ 274.017503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.022883] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 274.022883] active_file:12 inactive_file:13 isolated_file:0 [ 274.022883] unevictable:0 dirty:0 writeback:0 unstable:0 [ 274.022883] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 274.022883] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 274.022883] free:13733 free_pcp:586 free_cma:0 [ 274.025256] Call Trace: [ 274.034639] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 274.067485] [ 274.070053] 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 [ 274.097486] dump_stack+0x244/0x39d [ 274.099629] lowmem_reserve[]: 0 2818 6321 6321 [ 274.125737] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.129353] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 274.133942] warn_alloc.cold.116+0xb7/0x1bd [ 274.139085] lowmem_reserve[]: 0 0 3503 3503 [ 274.166678] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.170979] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 274.175293] ? lock_downgrade+0x900/0x900 [ 274.180110] lowmem_reserve[]: 0 0 0 0 [ 274.209095] ? trace_hardirqs_off+0xb8/0x310 [ 274.213214] 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 [ 274.217026] ? trace_hardirqs_off+0xb8/0x310 [ 274.221405] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 274.234959] __alloc_pages_slowpath+0x26e8/0x2e10 [ 274.239332] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 274.254722] ? warn_alloc+0x120/0x120 [ 274.259526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.273385] ? print_usage_bug+0xc0/0xc0 [ 274.277184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.277194] 269 total pagecache pages [ 274.286035] ? warn_alloc+0x120/0x120 [ 274.290076] 0 pages in swap cache [ 274.298642] ? warn_alloc+0x120/0x120 [ 274.302423] Swap cache stats: add 0, delete 0, find 0/0 [ 274.302432] Free swap = 0kB [ 274.306255] ? print_usage_bug+0xc0/0xc0 [ 274.309684] Total swap = 0kB [ 274.309692] 1965979 pages RAM [ 274.313500] ? print_usage_bug+0xc0/0xc0 [ 274.318850] 0 pages HighMem/MovableOnly [ 274.318859] 342853 pages reserved [ 274.321878] ? __lock_acquire+0x62f/0x4c20 [ 274.325912] 0 pages cma reserved [ 274.328928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.332170] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.336063] ? should_fail+0x22d/0xd01 [ 274.340012] syz-executor0 cpuset=syz0 mems_allowed=0 [ 274.343476] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.381095] ? __lock_acquire+0x62f/0x4c20 [ 274.385332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.390440] ? __lock_acquire+0x62f/0x4c20 [ 274.394690] ? should_fail+0x22d/0xd01 [ 274.398591] ? find_held_lock+0x36/0x1c0 [ 274.402660] ? mark_held_locks+0x130/0x130 [ 274.406899] ? mark_held_locks+0x130/0x130 [ 274.411129] ? zap_class+0x640/0x640 [ 274.414842] ? zap_class+0x640/0x640 [ 274.418570] ? print_usage_bug+0xc0/0xc0 [ 274.422666] ? do_raw_spin_unlock+0xa7/0x330 [ 274.427083] ? zap_class+0x640/0x640 [ 274.430810] ? print_usage_bug+0xc0/0xc0 [ 274.434882] ? wq_watchdog_touch+0x9c/0xfe [ 274.439134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.444675] ? check_preemption_disabled+0x48/0x280 [ 274.449708] ? __lock_is_held+0xb5/0x140 [ 274.453777] __alloc_pages_nodemask+0xa80/0xde0 [ 274.458449] ? zap_class+0x640/0x640 [ 274.462172] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 274.467217] ? find_held_lock+0x36/0x1c0 [ 274.471296] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.475970] ? lock_downgrade+0x900/0x900 [ 274.480126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.485665] cache_grow_begin+0xa5/0x8c0 [ 274.489727] ? do_raw_spin_unlock+0xa7/0x330 [ 274.494316] fallback_alloc+0x204/0x2e0 [ 274.498296] ____cache_alloc_node+0x1c7/0x1e0 [ 274.502800] kmem_cache_alloc_node+0xe3/0x730 [ 274.507295] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.511543] __alloc_skb+0x119/0x770 [ 274.515279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.520560] ? netdev_alloc_frag+0x1f0/0x1f0 [ 274.524983] ? lock_downgrade+0x900/0x900 [ 274.529139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.534678] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.540150] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.545616] ? addrconf_rs_timer+0x690/0x690 [ 274.550037] ndisc_alloc_skb+0x144/0x340 [ 274.554104] ndisc_send_rs+0x331/0x6e0 [ 274.557997] addrconf_rs_timer+0x314/0x690 [ 274.562236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.566521] call_timer_fn+0x272/0x920 [ 274.570403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.574679] ? process_timeout+0x40/0x40 [ 274.578747] ? mark_held_locks+0xc7/0x130 [ 274.583113] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.587606] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.592132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.596381] ? lockdep_hardirqs_on+0x296/0x5b0 [ 274.600964] ? trace_hardirqs_on+0xbd/0x310 [ 274.605281] ? kasan_check_read+0x11/0x20 [ 274.609431] ? __run_timers+0x7da/0xc70 [ 274.613425] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.618536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.622773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.627024] __run_timers+0x7e5/0xc70 [ 274.630830] ? timer_fixup_init+0x70/0x70 [ 274.634977] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.639995] ? zap_class+0x640/0x640 [ 274.643716] ? print_usage_bug+0xc0/0xc0 [ 274.647782] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.652981] ? find_held_lock+0x36/0x1c0 [ 274.657093] ? zap_class+0x640/0x640 [ 274.660837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.666379] ? check_preemption_disabled+0x48/0x280 [ 274.671483] ? __lock_is_held+0xb5/0x140 [ 274.675558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.681097] ? check_preemption_disabled+0x48/0x280 [ 274.686121] run_timer_softirq+0x52/0xb0 [ 274.690196] ? rcu_read_lock_sched_held+0x14f/0x180 [ 274.695212] __do_softirq+0x308/0xb7e [ 274.699016] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 274.703511] ? lock_downgrade+0x900/0x900 [ 274.707700] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 274.712811] ? pvclock_read_flags+0x160/0x160 [ 274.717829] ? lapic_next_event+0x5a/0x90 [ 274.721980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.727523] ? kvm_clock_read+0x18/0x30 [ 274.731497] ? kvm_sched_clock_read+0x9/0x20 [ 274.735909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.741456] ? check_preemption_disabled+0x48/0x280 [ 274.746483] irq_exit+0x17f/0x1c0 [ 274.749942] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.754803] ? smp_reschedule_interrupt+0x109/0x650 [ 274.759865] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.765750] ? interrupt_entry+0xb5/0xc0 [ 274.769812] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.774827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.779860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.784706] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.789725] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.794743] ? task_prio+0x50/0x50 [ 274.798286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.803860] ? check_preemption_disabled+0x48/0x280 [ 274.808882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.813737] apic_timer_interrupt+0xf/0x20 [ 274.817983] [ 274.820227] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 274.825436] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 274.844352] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 274.852058] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 274.859375] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 274.866646] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 274.873912] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 274.881209] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 274.888550] retint_kernel+0x1b/0x2d [ 274.892265] RIP: 0010:dump_stack+0x358/0x39d [ 274.896676] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 274.915594] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 274.923301] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 274.930567] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 274.937864] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 274.945132] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 274.952400] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 274.959708] ? dump_stack+0x34f/0x39d [ 274.963525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.968743] dump_header+0x27b/0xf72 [ 274.972501] ? mark_held_locks+0x130/0x130 [ 274.976737] ? pagefault_out_of_memory+0x197/0x197 [ 274.981672] ? __lock_acquire+0x62f/0x4c20 [ 274.985991] ? zap_class+0x640/0x640 [ 274.989725] ? percpu_ref_get_many+0x240/0x240 [ 274.994337] ? print_usage_bug+0xc0/0xc0 [ 274.998395] ? print_usage_bug+0xc0/0xc0 [ 275.002484] ? zap_class+0x640/0x640 [ 275.006203] ? print_usage_bug+0xc0/0xc0 [ 275.010265] ? print_usage_bug+0xc0/0xc0 [ 275.014335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.019876] ? find_held_lock+0x36/0x1c0 [ 275.023950] ? mark_held_locks+0xc7/0x130 [ 275.028113] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 275.033213] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 275.038315] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.042898] ? trace_hardirqs_on+0xbd/0x310 [ 275.047233] ? kasan_check_read+0x11/0x20 [ 275.051380] ? ___ratelimit+0x3b4/0x672 [ 275.055383] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.060510] ? trace_hardirqs_on+0x310/0x310 [ 275.064919] ? lock_downgrade+0x900/0x900 [ 275.069081] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.074184] ? ___ratelimit+0x3b9/0x672 [ 275.078161] ? idr_get_free+0xf70/0xf70 [ 275.082138] ? find_held_lock+0x36/0x1c0 [ 275.086221] oom_kill_process.cold.27+0x10/0x903 [ 275.090976] ? zap_class+0x640/0x640 [ 275.094689] ? check_preemption_disabled+0x48/0x280 [ 275.099711] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.104647] ? kasan_check_read+0x11/0x20 [ 275.108798] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.114101] ? oom_evaluate_task+0x540/0x540 [ 275.118536] ? find_held_lock+0x36/0x1c0 [ 275.122610] ? out_of_memory+0x974/0x1430 [ 275.126797] ? lock_downgrade+0x900/0x900 [ 275.130954] ? check_preemption_disabled+0x48/0x280 [ 275.135976] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 275.140909] ? kasan_check_read+0x11/0x20 [ 275.145066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.150359] ? rcu_softirq_qs+0x20/0x20 [ 275.154341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.159899] ? oom_evaluate_task+0x302/0x540 [ 275.164323] out_of_memory+0xa84/0x1430 [ 275.168324] ? oom_killer_disable+0x3a0/0x3a0 [ 275.172832] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 275.177770] ? __ww_mutex_check_waiters+0x160/0x160 [ 275.182803] __alloc_pages_slowpath+0x2354/0x2e10 [ 275.187679] ? warn_alloc+0x120/0x120 [ 275.191502] ? warn_alloc+0x120/0x120 [ 275.195312] ? warn_alloc+0x120/0x120 [ 275.199115] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 275.204238] ? print_usage_bug+0xc0/0xc0 [ 275.208334] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.212925] ? print_usage_bug+0xc0/0xc0 [ 275.216996] ? print_usage_bug+0xc0/0xc0 [ 275.221064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.226610] ? should_fail+0x22d/0xd01 [ 275.230505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.235625] ? zap_class+0x640/0x640 [ 275.239369] ? __lock_is_held+0xb5/0x140 [ 275.243461] ? zap_class+0x640/0x640 [ 275.247189] ? lock_release+0xa00/0xa00 [ 275.251167] ? perf_trace_sched_process_exec+0x860/0x860 [ 275.256622] ? check_preemption_disabled+0x48/0x280 [ 275.261653] ? __might_sleep+0x95/0x190 [ 275.265663] __alloc_pages_nodemask+0xa80/0xde0 [ 275.270335] ? zap_class+0x640/0x640 [ 275.274079] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 275.279127] ? mark_held_locks+0xc7/0x130 [ 275.283285] ? cache_grow_begin+0x65/0x8c0 [ 275.287526] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.292146] ? trace_hardirqs_on+0xbd/0x310 [ 275.296479] ? fallback_alloc+0x204/0x2e0 [ 275.300633] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.305749] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.311296] cache_grow_begin+0xa5/0x8c0 [ 275.315380] ? do_raw_spin_unlock+0xa7/0x330 [ 275.319802] fallback_alloc+0x204/0x2e0 [ 275.323786] ____cache_alloc_node+0x1c7/0x1e0 [ 275.328290] kmem_cache_alloc_node+0xe3/0x730 [ 275.332810] __alloc_skb+0x119/0x770 [ 275.336531] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.340951] ? if_nlmsg_size+0x5d1/0xbb0 [ 275.345038] ? rtnetlink_put_metrics+0x690/0x690 [ 275.349820] ? sk_psock_stop_strp+0x120/0x120 [ 275.354314] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 275.359333] ? netif_tx_stop_all_queues+0xd9/0x110 [ 275.364272] rtmsg_ifinfo_build_skb+0x74/0x190 [ 275.368863] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 275.373715] rtmsg_ifinfo+0x8c/0xa0 [ 275.377353] dev_close_many+0x3be/0x860 [ 275.381342] ? dev_fill_metadata_dst+0x840/0x840 [ 275.386112] ? find_held_lock+0x36/0x1c0 [ 275.390211] ? __queue_work+0x671/0x1440 [ 275.394291] ? lock_downgrade+0x900/0x900 [ 275.398467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.404009] ? rtnl_is_locked+0xb5/0xf0 [ 275.407990] ? rtnl_trylock+0x20/0x20 [ 275.411794] ? do_raw_spin_unlock+0xa7/0x330 [ 275.416238] ? do_raw_spin_trylock+0x270/0x270 [ 275.420839] rollback_registered_many+0x543/0x1250 [ 275.425803] ? generic_xdp_install+0x5a0/0x5a0 [ 275.430394] ? flush_rcu_work+0x90/0x90 [ 275.434376] ? zap_class+0x640/0x640 [ 275.438115] ? print_usage_bug+0xc0/0xc0 [ 275.442176] ? print_usage_bug+0xc0/0xc0 [ 275.446258] ? zap_class+0x640/0x640 [ 275.449980] ? print_usage_bug+0xc0/0xc0 [ 275.454048] ? find_held_lock+0x36/0x1c0 [ 275.458144] ? mark_held_locks+0xc7/0x130 [ 275.462306] rollback_registered+0x1e9/0x420 [ 275.466731] ? lockdep_hardirqs_on+0x321/0x5b0 [ 275.471338] ? rollback_registered_many+0x1250/0x1250 [ 275.476532] ? trace_hardirqs_on+0xbd/0x310 [ 275.480875] ? linkwatch_schedule_work+0x150/0x170 [ 275.485811] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.490922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.496464] ? rtnl_is_locked+0xb5/0xf0 [ 275.500450] ? rtnl_trylock+0x20/0x20 [ 275.504256] ? queue_delayed_work_on+0x130/0x1f0 [ 275.509018] unregister_netdevice_queue+0x321/0x5e0 [ 275.514040] ? rollback_registered+0x420/0x420 [ 275.518628] ? linkwatch_schedule_work+0x170/0x170 [ 275.523577] ? tun_setup+0x2d0/0x2d0 [ 275.527324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.532886] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 275.538257] ? __tun_detach+0x6ba/0x15c0 [ 275.542335] __tun_detach+0x11b8/0x15c0 [ 275.546315] ? __call_rcu.constprop.55+0x3ea/0x950 [ 275.551247] ? __call_rcu.constprop.55+0x3ea/0x950 [ 275.556188] ? tun_attach+0x1900/0x1900 [ 275.560163] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.565268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.570805] ? check_preemption_disabled+0x48/0x280 [ 275.575825] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.580411] ? zap_class+0x640/0x640 [ 275.584136] ? fsnotify+0x4e5/0xf20 [ 275.587768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.593339] ? locks_remove_file+0x3c6/0x5c0 [ 275.597763] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 275.603299] ? ima_file_free+0x132/0x650 [ 275.607361] ? __lock_is_held+0xb5/0x140 [ 275.611457] ? __tun_detach+0x15c0/0x15c0 [ 275.615605] ? __tun_detach+0x15c0/0x15c0 [ 275.619765] tun_chr_close+0xe3/0x180 [ 275.623566] __fput+0x385/0xa30 [ 275.626855] ? get_max_files+0x20/0x20 [ 275.630750] ? perf_trace_sched_process_exec+0x860/0x860 [ 275.636236] ____fput+0x15/0x20 [ 275.639546] task_work_run+0x1e8/0x2a0 [ 275.643482] ? task_work_cancel+0x240/0x240 [ 275.647820] ? switch_task_namespaces+0xb8/0xd0 [ 275.652508] do_exit+0x1ad6/0x26d0 [ 275.656053] ? mm_update_next_owner+0x990/0x990 [ 275.660731] ? print_usage_bug+0xc0/0xc0 [ 275.664804] ? find_held_lock+0x36/0x1c0 [ 275.668893] ? mark_held_locks+0x130/0x130 [ 275.673151] ? __lock_acquire+0x62f/0x4c20 [ 275.677386] ? pipe_wait+0x266/0x2c0 [ 275.681126] ? lock_release+0xa00/0xa00 [ 275.685126] ? mark_held_locks+0x130/0x130 [ 275.689385] ? __mutex_lock+0x85e/0x16f0 [ 275.693470] ? __switch_to_asm+0x40/0x70 [ 275.697534] ? pipe_wait+0x266/0x2c0 [ 275.701248] ? __switch_to_asm+0x34/0x70 [ 275.705306] ? __switch_to_asm+0x40/0x70 [ 275.709384] ? mutex_trylock+0x2b0/0x2b0 [ 275.713489] ? zap_class+0x640/0x640 [ 275.717224] ? zap_class+0x640/0x640 [ 275.720933] ? find_held_lock+0x36/0x1c0 [ 275.725012] ? memset+0x31/0x40 [ 275.728297] ? find_held_lock+0x36/0x1c0 [ 275.732368] ? get_signal+0x95b/0x1980 [ 275.736255] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.740747] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.745253] do_group_exit+0x177/0x440 [ 275.749159] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.754264] ? __ia32_sys_exit+0x50/0x50 [ 275.758339] get_signal+0x8b0/0x1980 [ 275.762061] ? ptrace_notify+0x130/0x130 [ 275.766132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.771672] ? pipe_read+0x702/0x940 [ 275.775388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.780974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.786549] ? __vfs_read+0x11f/0x9b0 [ 275.790387] do_signal+0x9c/0x21c0 [ 275.793949] ? fsnotify+0xf20/0xf20 [ 275.797587] ? setup_sigcontext+0x7d0/0x7d0 [ 275.801918] ? exit_to_usermode_loop+0x8c/0x380 [ 275.806600] ? exit_to_usermode_loop+0x8c/0x380 [ 275.811285] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.815867] ? trace_hardirqs_on+0xbd/0x310 [ 275.820191] ? do_syscall_64+0x6be/0x820 [ 275.824273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.829819] exit_to_usermode_loop+0x2e5/0x380 [ 275.834407] ? __bpf_trace_sys_exit+0x30/0x30 [ 275.838927] do_syscall_64+0x6be/0x820 [ 275.842834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.848198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.853124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.857981] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.862999] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.868021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.872885] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.878089] RIP: 0033:0x410fa0 [ 275.881298] Code: Bad RIP value. [ 275.884662] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 275.892372] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 275.899650] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 275.906931] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 275.914200] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 275.921466] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 275.928777] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 275.928847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.936145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.936150] Call Trace: [ 275.936157] [ 275.936179] dump_stack+0x244/0x39d [ 275.936212] ? dump_stack_print_info.cold.1+0x20/0x20 [ 275.942756] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.952061] warn_alloc.cold.116+0xb7/0x1bd [ 275.954616] syz-executor5 cpuset=syz5 mems_allowed=0 [ 275.956768] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.990331] ? lock_downgrade+0x900/0x900 [ 275.994494] ? trace_hardirqs_off+0xb8/0x310 [ 275.998939] ? trace_hardirqs_off+0xb8/0x310 [ 276.003381] __alloc_pages_slowpath+0x26e8/0x2e10 [ 276.008262] ? warn_alloc+0x120/0x120 [ 276.012085] ? warn_alloc+0x120/0x120 [ 276.015888] ? zap_class+0x640/0x640 [ 276.019633] ? warn_alloc+0x120/0x120 [ 276.023457] ? print_usage_bug+0xc0/0xc0 [ 276.027533] ? idle_cpu+0x1d0/0x1d0 [ 276.031214] ? kvm_sched_clock_read+0x9/0x20 [ 276.035626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.040648] ? print_usage_bug+0xc0/0xc0 [ 276.044713] ? __lock_is_held+0xb5/0x140 [ 276.048781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.054333] ? should_fail+0x22d/0xd01 [ 276.058243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.063348] ? __lock_acquire+0x62f/0x4c20 [ 276.067589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.072695] ? __lock_acquire+0x62f/0x4c20 [ 276.076930] ? should_fail+0x22d/0xd01 [ 276.080859] ? mark_held_locks+0x130/0x130 [ 276.085098] ? mark_held_locks+0x130/0x130 [ 276.089362] ? __enqueue_entity+0x10d/0x1f0 [ 276.093691] ? zap_class+0x640/0x640 [ 276.097407] ? print_usage_bug+0xc0/0xc0 [ 276.101484] ? __lock_acquire+0x62f/0x4c20 [ 276.105737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.111277] ? check_preemption_disabled+0x48/0x280 [ 276.116307] ? __lock_is_held+0xb5/0x140 [ 276.120373] __alloc_pages_nodemask+0xa80/0xde0 [ 276.125046] ? zap_class+0x640/0x640 [ 276.128778] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 276.133812] ? find_held_lock+0x36/0x1c0 [ 276.137885] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.142562] ? lock_downgrade+0x900/0x900 [ 276.146724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.152267] cache_grow_begin+0xa5/0x8c0 [ 276.156333] ? do_raw_spin_unlock+0xa7/0x330 [ 276.160763] fallback_alloc+0x204/0x2e0 [ 276.164761] ____cache_alloc_node+0x1c7/0x1e0 [ 276.169281] kmem_cache_alloc_node+0xe3/0x730 [ 276.173776] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.178038] __alloc_skb+0x119/0x770 [ 276.181750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.187046] ? netdev_alloc_frag+0x1f0/0x1f0 [ 276.191476] ? lock_downgrade+0x900/0x900 [ 276.195638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.201176] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.206644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.212108] ? addrconf_rs_timer+0x690/0x690 [ 276.216573] ndisc_alloc_skb+0x144/0x340 [ 276.220652] ndisc_send_rs+0x331/0x6e0 [ 276.224544] addrconf_rs_timer+0x314/0x690 [ 276.228787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.233034] call_timer_fn+0x272/0x920 [ 276.236922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.241159] ? process_timeout+0x40/0x40 [ 276.245230] ? __run_timers+0x7da/0xc70 [ 276.249204] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.253697] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.258202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.262475] ? lockdep_hardirqs_on+0x296/0x5b0 [ 276.267065] ? trace_hardirqs_on+0xbd/0x310 [ 276.271400] ? kasan_check_read+0x11/0x20 [ 276.275562] ? __run_timers+0x7da/0xc70 [ 276.279543] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.284663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.288912] __run_timers+0x7e5/0xc70 [ 276.292723] ? timer_fixup_init+0x70/0x70 [ 276.296872] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.301891] ? zap_class+0x640/0x640 [ 276.305612] ? enqueue_hrtimer+0x1a5/0x560 [ 276.309853] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.315069] ? find_held_lock+0x36/0x1c0 [ 276.319135] ? zap_class+0x640/0x640 [ 276.322853] ? pvclock_read_flags+0x160/0x160 [ 276.327350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.332886] ? check_preemption_disabled+0x48/0x280 [ 276.337928] ? __lock_is_held+0xb5/0x140 [ 276.342024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.347563] ? check_preemption_disabled+0x48/0x280 [ 276.352584] run_timer_softirq+0x52/0xb0 [ 276.356647] ? rcu_read_lock_sched_held+0x14f/0x180 [ 276.361664] __do_softirq+0x308/0xb7e [ 276.365479] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 276.369972] ? lock_downgrade+0x900/0x900 [ 276.374128] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 276.379243] ? pvclock_read_flags+0x160/0x160 [ 276.383742] ? lapic_next_event+0x5a/0x90 [ 276.387905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.393460] ? kvm_clock_read+0x18/0x30 [ 276.397447] ? kvm_sched_clock_read+0x9/0x20 [ 276.401859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.407400] ? check_preemption_disabled+0x48/0x280 [ 276.412464] irq_exit+0x17f/0x1c0 [ 276.415935] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.420778] ? smp_reschedule_interrupt+0x109/0x650 [ 276.425810] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.431708] ? interrupt_entry+0xb5/0xc0 [ 276.435786] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.440804] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.445824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.450667] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.455689] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.460705] ? task_prio+0x50/0x50 [ 276.464246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.469807] ? check_preemption_disabled+0x48/0x280 [ 276.474832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.479695] apic_timer_interrupt+0xf/0x20 [ 276.483923] [ 276.486174] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 276.492055] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 276.510952] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.518675] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.525940] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 276.533222] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 276.540523] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 276.547801] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 276.555125] ? save_stack+0xa9/0xd0 [ 276.558764] __kmalloc_node_track_caller+0x3c/0x70 [ 276.563695] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 276.568471] pskb_expand_head+0x230/0x10f0 [ 276.572741] ? memcpy+0x45/0x50 [ 276.576038] ? __copy_skb_header+0x350/0x6b0 [ 276.580522] ? skb_release_data+0x880/0x880 [ 276.585358] ? __alloc_skb+0x770/0x770 [ 276.589257] ? __lock_is_held+0xb5/0x140 [ 276.593340] ? kasan_check_write+0x14/0x20 [ 276.597605] ? __skb_clone+0x6c7/0xa00 [ 276.601510] ? __copy_skb_header+0x6b0/0x6b0 [ 276.605916] ? kmem_cache_alloc+0x33a/0x730 [ 276.610278] skb_ensure_writable+0x3dd/0x640 [ 276.614703] ? skb_checksum_setup+0xaa0/0xaa0 [ 276.619201] ? check_preemption_disabled+0x48/0x280 [ 276.624225] ? __this_cpu_preempt_check+0x1c/0x20 [ 276.629068] ? __bpf_redirect+0x54b/0xb20 [ 276.633224] bpf_clone_redirect+0x14a/0x490 [ 276.637563] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 276.642584] ? __sched_text_start+0x8/0x8 [ 276.646750] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 276.651335] ? retint_kernel+0x2d/0x2d [ 276.655225] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.660175] ? find_held_lock+0x36/0x1c0 [ 276.664248] ? lock_acquire+0x1ed/0x520 [ 276.668224] ? bpf_test_run+0x3cb/0x780 [ 276.672199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.677740] ? check_preemption_disabled+0x48/0x280 [ 276.682778] ? kasan_check_read+0x11/0x20 [ 276.686928] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.692206] ? rcu_softirq_qs+0x20/0x20 [ 276.696184] ? preempt_schedule+0x4d/0x60 [ 276.700348] ? ___preempt_schedule+0x16/0x18 [ 276.704793] ? bpf_test_run+0x25d/0x780 [ 276.708828] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.713239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.718961] ? bpf_test_init.isra.10+0x70/0x100 [ 276.723651] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 276.728430] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 276.733294] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.738832] ? fput+0x130/0x1a0 [ 276.742114] ? __bpf_prog_get+0x9b/0x290 [ 276.746184] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 276.751024] ? bpf_prog_test_run+0x130/0x1a0 [ 276.755446] ? __x64_sys_bpf+0x3d8/0x520 [ 276.759513] ? bpf_prog_get+0x20/0x20 [ 276.763330] ? do_syscall_64+0x1b9/0x820 [ 276.767391] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.772768] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.777697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.782551] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.787569] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.792593] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.797621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.802493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.807879] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 276.807885] warn_alloc_show_mem: 1 callbacks suppressed [ 276.807892] Mem-Info: [ 276.815167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.820536] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 276.820536] active_file:12 inactive_file:13 isolated_file:0 [ 276.820536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.820536] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 276.820536] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 276.820536] free:13733 free_pcp:586 free_cma:0 [ 276.822910] Call Trace: [ 276.832331] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.865174] [ 276.867748] 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 [ 276.895169] dump_stack+0x244/0x39d [ 276.897288] lowmem_reserve[]: 0 2818 6321 6321 [ 276.923392] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.927013] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 276.931598] warn_alloc.cold.116+0xb7/0x1bd [ 276.936768] lowmem_reserve[]: 0 0 3503 3503 [ 276.964349] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.968644] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 276.972963] ? lock_downgrade+0x900/0x900 [ 276.977779] lowmem_reserve[]: 0 0 0 0 [ 277.006768] ? trace_hardirqs_off+0xb8/0x310 [ 277.010904] 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 [ 277.014699] ? trace_hardirqs_off+0xb8/0x310 [ 277.019087] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 277.032609] __alloc_pages_slowpath+0x26e8/0x2e10 [ 277.036981] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 277.052365] ? warn_alloc+0x120/0x120 [ 277.057181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.071036] ? print_usage_bug+0xc0/0xc0 [ 277.074816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.083638] ? warn_alloc+0x120/0x120 [ 277.087679] 269 total pagecache pages [ 277.096249] ? warn_alloc+0x120/0x120 [ 277.100033] 0 pages in swap cache [ 277.103838] ? print_usage_bug+0xc0/0xc0 [ 277.107613] Swap cache stats: add 0, delete 0, find 0/0 [ 277.107621] Free swap = 0kB [ 277.111068] ? print_usage_bug+0xc0/0xc0 [ 277.115099] Total swap = 0kB [ 277.115107] 1965979 pages RAM [ 277.120464] ? __lock_acquire+0x62f/0x4c20 [ 277.123461] 0 pages HighMem/MovableOnly [ 277.123470] 342853 pages reserved [ 277.127526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.130510] 0 pages cma reserved [ 277.130589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.133616] ? should_fail+0x22d/0xd01 [ 277.133634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.133650] ? __lock_acquire+0x62f/0x4c20 [ 277.137934] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.141846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.145278] syz-executor0 cpuset=syz0 mems_allowed=0 [ 277.150808] ? __lock_acquire+0x62f/0x4c20 [ 277.198744] ? should_fail+0x22d/0xd01 [ 277.202633] ? find_held_lock+0x36/0x1c0 [ 277.206705] ? mark_held_locks+0x130/0x130 [ 277.210947] ? mark_held_locks+0x130/0x130 [ 277.215218] ? zap_class+0x640/0x640 [ 277.218954] ? zap_class+0x640/0x640 [ 277.222673] ? print_usage_bug+0xc0/0xc0 [ 277.226736] ? do_raw_spin_unlock+0xa7/0x330 [ 277.231151] ? zap_class+0x640/0x640 [ 277.234887] ? print_usage_bug+0xc0/0xc0 [ 277.238952] ? wq_watchdog_touch+0x9c/0xfe [ 277.243189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.248728] ? check_preemption_disabled+0x48/0x280 [ 277.253766] ? __lock_is_held+0xb5/0x140 [ 277.257836] __alloc_pages_nodemask+0xa80/0xde0 [ 277.262512] ? zap_class+0x640/0x640 [ 277.266233] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 277.271264] ? find_held_lock+0x36/0x1c0 [ 277.275342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.280013] ? lock_downgrade+0x900/0x900 [ 277.284174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.289718] cache_grow_begin+0xa5/0x8c0 [ 277.293793] ? do_raw_spin_unlock+0xa7/0x330 [ 277.298215] fallback_alloc+0x204/0x2e0 [ 277.302194] ____cache_alloc_node+0x1c7/0x1e0 [ 277.306694] kmem_cache_alloc_node+0xe3/0x730 [ 277.311190] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.315439] __alloc_skb+0x119/0x770 [ 277.319183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.324482] ? netdev_alloc_frag+0x1f0/0x1f0 [ 277.328893] ? lock_downgrade+0x900/0x900 [ 277.333047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.338584] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.344040] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.349488] ? addrconf_rs_timer+0x690/0x690 [ 277.353910] ndisc_alloc_skb+0x144/0x340 [ 277.357980] ndisc_send_rs+0x331/0x6e0 [ 277.361890] addrconf_rs_timer+0x314/0x690 [ 277.366132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.370376] call_timer_fn+0x272/0x920 [ 277.374265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.378501] ? process_timeout+0x40/0x40 [ 277.382574] ? mark_held_locks+0xc7/0x130 [ 277.386724] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.391232] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.395739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.400001] ? lockdep_hardirqs_on+0x296/0x5b0 [ 277.404587] ? trace_hardirqs_on+0xbd/0x310 [ 277.408909] ? kasan_check_read+0x11/0x20 [ 277.413073] ? __run_timers+0x7da/0xc70 [ 277.417080] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.422211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.426460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.430705] __run_timers+0x7e5/0xc70 [ 277.434528] ? timer_fixup_init+0x70/0x70 [ 277.438708] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.443766] ? zap_class+0x640/0x640 [ 277.447497] ? print_usage_bug+0xc0/0xc0 [ 277.451564] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 277.456774] ? find_held_lock+0x36/0x1c0 [ 277.460842] ? zap_class+0x640/0x640 [ 277.464562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.470101] ? check_preemption_disabled+0x48/0x280 [ 277.475144] ? __lock_is_held+0xb5/0x140 [ 277.479206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.484744] ? check_preemption_disabled+0x48/0x280 [ 277.489767] run_timer_softirq+0x52/0xb0 [ 277.493836] ? rcu_read_lock_sched_held+0x14f/0x180 [ 277.498856] __do_softirq+0x308/0xb7e [ 277.502669] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 277.507164] ? lock_downgrade+0x900/0x900 [ 277.511321] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 277.516441] ? pvclock_read_flags+0x160/0x160 [ 277.520952] ? lapic_next_event+0x5a/0x90 [ 277.525133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.530697] ? kvm_clock_read+0x18/0x30 [ 277.534674] ? kvm_sched_clock_read+0x9/0x20 [ 277.539086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.544626] ? check_preemption_disabled+0x48/0x280 [ 277.549670] irq_exit+0x17f/0x1c0 [ 277.553141] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.557979] ? smp_reschedule_interrupt+0x109/0x650 [ 277.562994] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.568899] ? interrupt_entry+0xb5/0xc0 [ 277.572967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.577982] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.583000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.587865] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.592879] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.597896] ? task_prio+0x50/0x50 [ 277.601464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.607024] ? check_preemption_disabled+0x48/0x280 [ 277.612087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.616962] apic_timer_interrupt+0xf/0x20 [ 277.621195] [ 277.623457] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 277.628656] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 277.647568] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.655306] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 277.662600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 277.669878] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 277.677155] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 277.684456] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 277.691784] retint_kernel+0x1b/0x2d [ 277.695508] RIP: 0010:dump_stack+0x358/0x39d [ 277.699921] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 277.718838] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 277.726557] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 277.733829] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 277.741112] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 277.748388] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 277.755668] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 277.762972] ? dump_stack+0x34f/0x39d [ 277.766803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.772019] dump_header+0x27b/0xf72 [ 277.775750] ? mark_held_locks+0x130/0x130 [ 277.780042] ? pagefault_out_of_memory+0x197/0x197 [ 277.785016] ? __lock_acquire+0x62f/0x4c20 [ 277.789258] ? zap_class+0x640/0x640 [ 277.792978] ? percpu_ref_get_many+0x240/0x240 [ 277.797571] ? print_usage_bug+0xc0/0xc0 [ 277.801638] ? print_usage_bug+0xc0/0xc0 [ 277.805738] ? zap_class+0x640/0x640 [ 277.809472] ? print_usage_bug+0xc0/0xc0 [ 277.813552] ? print_usage_bug+0xc0/0xc0 [ 277.817624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.823171] ? find_held_lock+0x36/0x1c0 [ 277.827241] ? mark_held_locks+0xc7/0x130 [ 277.831407] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.836526] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.841635] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 277.846240] ? trace_hardirqs_on+0xbd/0x310 [ 277.850562] ? kasan_check_read+0x11/0x20 [ 277.854709] ? ___ratelimit+0x3b4/0x672 [ 277.858703] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.863814] ? trace_hardirqs_on+0x310/0x310 [ 277.868226] ? lock_downgrade+0x900/0x900 [ 277.872382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.877502] ? ___ratelimit+0x3b9/0x672 [ 277.881482] ? idr_get_free+0xf70/0xf70 [ 277.885460] ? find_held_lock+0x36/0x1c0 [ 277.889549] oom_kill_process.cold.27+0x10/0x903 [ 277.894319] ? zap_class+0x640/0x640 [ 277.898034] ? check_preemption_disabled+0x48/0x280 [ 277.903056] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.908001] ? kasan_check_read+0x11/0x20 [ 277.912156] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.917452] ? oom_evaluate_task+0x540/0x540 [ 277.921892] ? find_held_lock+0x36/0x1c0 [ 277.925971] ? out_of_memory+0x974/0x1430 [ 277.930160] ? lock_downgrade+0x900/0x900 [ 277.934327] ? check_preemption_disabled+0x48/0x280 [ 277.939354] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.944285] ? kasan_check_read+0x11/0x20 [ 277.948457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.953764] ? rcu_softirq_qs+0x20/0x20 [ 277.957773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.963312] ? oom_evaluate_task+0x302/0x540 [ 277.967727] out_of_memory+0xa84/0x1430 [ 277.971714] ? oom_killer_disable+0x3a0/0x3a0 [ 277.976220] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 277.981169] ? __ww_mutex_check_waiters+0x160/0x160 [ 277.986206] __alloc_pages_slowpath+0x2354/0x2e10 [ 277.991087] ? warn_alloc+0x120/0x120 [ 277.994896] ? warn_alloc+0x120/0x120 [ 277.998700] ? warn_alloc+0x120/0x120 [ 278.002519] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 278.007629] ? print_usage_bug+0xc0/0xc0 [ 278.011709] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.016301] ? print_usage_bug+0xc0/0xc0 [ 278.020369] ? print_usage_bug+0xc0/0xc0 [ 278.024446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.029991] ? should_fail+0x22d/0xd01 [ 278.033890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.039000] ? zap_class+0x640/0x640 [ 278.042744] ? __lock_is_held+0xb5/0x140 [ 278.046812] ? zap_class+0x640/0x640 [ 278.050532] ? lock_release+0xa00/0xa00 [ 278.054518] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.059972] ? check_preemption_disabled+0x48/0x280 [ 278.065045] ? __might_sleep+0x95/0x190 [ 278.069114] __alloc_pages_nodemask+0xa80/0xde0 [ 278.073791] ? zap_class+0x640/0x640 [ 278.077547] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 278.082578] ? mark_held_locks+0xc7/0x130 [ 278.086738] ? cache_grow_begin+0x65/0x8c0 [ 278.090978] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.095566] ? trace_hardirqs_on+0xbd/0x310 [ 278.099902] ? fallback_alloc+0x204/0x2e0 [ 278.104088] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.109202] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.114753] cache_grow_begin+0xa5/0x8c0 [ 278.118823] ? do_raw_spin_unlock+0xa7/0x330 [ 278.123242] fallback_alloc+0x204/0x2e0 [ 278.127226] ____cache_alloc_node+0x1c7/0x1e0 [ 278.131747] kmem_cache_alloc_node+0xe3/0x730 [ 278.136256] __alloc_skb+0x119/0x770 [ 278.139984] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.144397] ? if_nlmsg_size+0x5d1/0xbb0 [ 278.148490] ? rtnetlink_put_metrics+0x690/0x690 [ 278.153285] ? sk_psock_stop_strp+0x120/0x120 [ 278.157787] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 278.162845] ? netif_tx_stop_all_queues+0xd9/0x110 [ 278.167784] rtmsg_ifinfo_build_skb+0x74/0x190 [ 278.172410] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 278.177278] rtmsg_ifinfo+0x8c/0xa0 [ 278.180914] dev_close_many+0x3be/0x860 [ 278.184908] ? dev_fill_metadata_dst+0x840/0x840 [ 278.189674] ? find_held_lock+0x36/0x1c0 [ 278.193775] ? __queue_work+0x671/0x1440 [ 278.197873] ? lock_downgrade+0x900/0x900 [ 278.202044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.207586] ? rtnl_is_locked+0xb5/0xf0 [ 278.211571] ? rtnl_trylock+0x20/0x20 [ 278.215371] ? do_raw_spin_unlock+0xa7/0x330 [ 278.219801] ? do_raw_spin_trylock+0x270/0x270 [ 278.224447] rollback_registered_many+0x543/0x1250 [ 278.229404] ? generic_xdp_install+0x5a0/0x5a0 [ 278.234004] ? flush_rcu_work+0x90/0x90 [ 278.237983] ? zap_class+0x640/0x640 [ 278.241706] ? print_usage_bug+0xc0/0xc0 [ 278.245774] ? print_usage_bug+0xc0/0xc0 [ 278.249841] ? zap_class+0x640/0x640 [ 278.253579] ? print_usage_bug+0xc0/0xc0 [ 278.257644] ? find_held_lock+0x36/0x1c0 [ 278.261720] ? mark_held_locks+0xc7/0x130 [ 278.265909] rollback_registered+0x1e9/0x420 [ 278.270328] ? lockdep_hardirqs_on+0x321/0x5b0 [ 278.274916] ? rollback_registered_many+0x1250/0x1250 [ 278.280140] ? trace_hardirqs_on+0xbd/0x310 [ 278.284489] ? linkwatch_schedule_work+0x150/0x170 [ 278.289436] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.294576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.300123] ? rtnl_is_locked+0xb5/0xf0 [ 278.304103] ? rtnl_trylock+0x20/0x20 [ 278.307930] ? queue_delayed_work_on+0x130/0x1f0 [ 278.312699] unregister_netdevice_queue+0x321/0x5e0 [ 278.317744] ? rollback_registered+0x420/0x420 [ 278.322333] ? linkwatch_schedule_work+0x170/0x170 [ 278.327267] ? tun_setup+0x2d0/0x2d0 [ 278.330999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.336544] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 278.341918] ? __tun_detach+0x6ba/0x15c0 [ 278.346008] __tun_detach+0x11b8/0x15c0 [ 278.349982] ? __call_rcu.constprop.55+0x3ea/0x950 [ 278.354916] ? __call_rcu.constprop.55+0x3ea/0x950 [ 278.359876] ? tun_attach+0x1900/0x1900 [ 278.363870] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.368980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.374524] ? check_preemption_disabled+0x48/0x280 [ 278.379545] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.384138] ? zap_class+0x640/0x640 [ 278.387855] ? fsnotify+0x4e5/0xf20 [ 278.391490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.397045] ? locks_remove_file+0x3c6/0x5c0 [ 278.401462] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 278.407000] ? ima_file_free+0x132/0x650 [ 278.411069] ? __lock_is_held+0xb5/0x140 [ 278.415143] ? __tun_detach+0x15c0/0x15c0 [ 278.419300] ? __tun_detach+0x15c0/0x15c0 [ 278.423456] tun_chr_close+0xe3/0x180 [ 278.427267] __fput+0x385/0xa30 [ 278.430555] ? get_max_files+0x20/0x20 [ 278.434474] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.439944] ____fput+0x15/0x20 [ 278.443227] task_work_run+0x1e8/0x2a0 [ 278.447124] ? task_work_cancel+0x240/0x240 [ 278.451460] ? switch_task_namespaces+0xb8/0xd0 [ 278.456139] do_exit+0x1ad6/0x26d0 [ 278.459693] ? mm_update_next_owner+0x990/0x990 [ 278.464370] ? print_usage_bug+0xc0/0xc0 [ 278.468445] ? find_held_lock+0x36/0x1c0 [ 278.472529] ? mark_held_locks+0x130/0x130 [ 278.476780] ? __lock_acquire+0x62f/0x4c20 [ 278.481017] ? pipe_wait+0x266/0x2c0 [ 278.484739] ? lock_release+0xa00/0xa00 [ 278.488728] ? mark_held_locks+0x130/0x130 [ 278.492982] ? __mutex_lock+0x85e/0x16f0 [ 278.497047] ? __switch_to_asm+0x40/0x70 [ 278.501110] ? pipe_wait+0x266/0x2c0 [ 278.504825] ? __switch_to_asm+0x34/0x70 [ 278.508887] ? __switch_to_asm+0x40/0x70 [ 278.512967] ? mutex_trylock+0x2b0/0x2b0 [ 278.517039] ? zap_class+0x640/0x640 [ 278.520781] ? zap_class+0x640/0x640 [ 278.524510] ? find_held_lock+0x36/0x1c0 [ 278.528699] ? memset+0x31/0x40 [ 278.532005] ? find_held_lock+0x36/0x1c0 [ 278.536076] ? get_signal+0x95b/0x1980 [ 278.539986] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.544484] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.548991] do_group_exit+0x177/0x440 [ 278.552901] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.558012] ? __ia32_sys_exit+0x50/0x50 [ 278.562084] get_signal+0x8b0/0x1980 [ 278.565826] ? ptrace_notify+0x130/0x130 [ 278.569900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.575464] ? pipe_read+0x702/0x940 [ 278.579194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.584935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.590478] ? __vfs_read+0x11f/0x9b0 [ 278.594336] do_signal+0x9c/0x21c0 [ 278.597890] ? fsnotify+0xf20/0xf20 [ 278.601540] ? setup_sigcontext+0x7d0/0x7d0 [ 278.605877] ? exit_to_usermode_loop+0x8c/0x380 [ 278.610561] ? exit_to_usermode_loop+0x8c/0x380 [ 278.615253] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.619856] ? trace_hardirqs_on+0xbd/0x310 [ 278.624196] ? do_syscall_64+0x6be/0x820 [ 278.628270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.633820] exit_to_usermode_loop+0x2e5/0x380 [ 278.638430] ? __bpf_trace_sys_exit+0x30/0x30 [ 278.643004] do_syscall_64+0x6be/0x820 [ 278.646898] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.652297] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.657248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.662096] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.667119] ? prepare_exit_to_usermode+0x291/0x3b0 [ 278.672147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.677000] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.682190] RIP: 0033:0x410fa0 [ 278.685399] Code: Bad RIP value. [ 278.688768] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 278.696495] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 278.703771] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 278.711054] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 278.718883] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 278.726159] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 278.733486] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 278.733553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.740882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.740892] Call Trace: [ 278.747518] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.756744] [ 278.759335] syz-executor5 cpuset=syz5 mems_allowed=0 [ 278.769829] dump_stack+0x244/0x39d [ 278.780718] ? dump_stack_print_info.cold.1+0x20/0x20 [ 278.785936] warn_alloc.cold.116+0xb7/0x1bd [ 278.790285] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.795152] ? lock_downgrade+0x900/0x900 [ 278.799314] ? trace_hardirqs_off+0xb8/0x310 [ 278.803746] ? trace_hardirqs_off+0xb8/0x310 [ 278.808173] __alloc_pages_slowpath+0x26e8/0x2e10 [ 278.813064] ? warn_alloc+0x120/0x120 [ 278.816890] ? print_usage_bug+0xc0/0xc0 [ 278.820957] ? warn_alloc+0x120/0x120 [ 278.824783] ? warn_alloc+0x120/0x120 [ 278.828593] ? print_usage_bug+0xc0/0xc0 [ 278.832669] ? print_usage_bug+0xc0/0xc0 [ 278.836753] ? __lock_acquire+0x62f/0x4c20 [ 278.841016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.846562] ? should_fail+0x22d/0xd01 [ 278.850466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.855593] ? __lock_acquire+0x62f/0x4c20 [ 278.859858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.864967] ? __lock_acquire+0x62f/0x4c20 [ 278.869205] ? should_fail+0x22d/0xd01 [ 278.873099] ? find_held_lock+0x36/0x1c0 [ 278.877173] ? mark_held_locks+0x130/0x130 [ 278.881425] ? mark_held_locks+0x130/0x130 [ 278.885686] ? zap_class+0x640/0x640 [ 278.889427] ? zap_class+0x640/0x640 [ 278.893155] ? print_usage_bug+0xc0/0xc0 [ 278.897262] ? do_raw_spin_unlock+0xa7/0x330 [ 278.901675] ? zap_class+0x640/0x640 [ 278.905390] ? print_usage_bug+0xc0/0xc0 [ 278.909479] ? wq_watchdog_touch+0x9c/0xfe [ 278.913727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.919274] ? check_preemption_disabled+0x48/0x280 [ 278.924308] ? __lock_is_held+0xb5/0x140 [ 278.928382] __alloc_pages_nodemask+0xa80/0xde0 [ 278.933066] ? zap_class+0x640/0x640 [ 278.936837] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 278.941885] ? find_held_lock+0x36/0x1c0 [ 278.945967] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.950646] ? lock_downgrade+0x900/0x900 [ 278.954810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.960368] cache_grow_begin+0xa5/0x8c0 [ 278.964463] ? do_raw_spin_unlock+0xa7/0x330 [ 278.968928] fallback_alloc+0x204/0x2e0 [ 278.972918] ____cache_alloc_node+0x1c7/0x1e0 [ 278.977430] kmem_cache_alloc_node+0xe3/0x730 [ 278.981942] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.986196] __alloc_skb+0x119/0x770 [ 278.989915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.995207] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.999629] ? lock_downgrade+0x900/0x900 [ 279.003792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.009349] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.014829] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.020284] ? addrconf_rs_timer+0x690/0x690 [ 279.024711] ndisc_alloc_skb+0x144/0x340 [ 279.028808] ndisc_send_rs+0x331/0x6e0 [ 279.032705] addrconf_rs_timer+0x314/0x690 [ 279.036963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.041229] call_timer_fn+0x272/0x920 [ 279.045135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.049374] ? process_timeout+0x40/0x40 [ 279.053467] ? __run_timers+0x7da/0xc70 [ 279.057463] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.061967] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.066527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.070771] ? lockdep_hardirqs_on+0x296/0x5b0 [ 279.075358] ? trace_hardirqs_on+0xbd/0x310 [ 279.079684] ? kasan_check_read+0x11/0x20 [ 279.083835] ? __run_timers+0x7da/0xc70 [ 279.087828] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.092938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.097182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.101425] __run_timers+0x7e5/0xc70 [ 279.105259] ? timer_fixup_init+0x70/0x70 [ 279.109424] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.114480] ? zap_class+0x640/0x640 [ 279.118211] ? enqueue_hrtimer+0x1a5/0x560 [ 279.122468] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.127676] ? find_held_lock+0x36/0x1c0 [ 279.131777] ? zap_class+0x640/0x640 [ 279.135500] ? pvclock_read_flags+0x160/0x160 [ 279.140007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.145571] ? check_preemption_disabled+0x48/0x280 [ 279.150604] ? __lock_is_held+0xb5/0x140 [ 279.154687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.160233] ? check_preemption_disabled+0x48/0x280 [ 279.165275] run_timer_softirq+0x52/0xb0 [ 279.169341] ? rcu_read_lock_sched_held+0x14f/0x180 [ 279.174362] __do_softirq+0x308/0xb7e [ 279.178175] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 279.182676] ? lock_downgrade+0x900/0x900 [ 279.186840] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 279.191986] ? pvclock_read_flags+0x160/0x160 [ 279.196491] ? lapic_next_event+0x5a/0x90 [ 279.200649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.206196] ? kvm_clock_read+0x18/0x30 [ 279.210277] ? kvm_sched_clock_read+0x9/0x20 [ 279.214695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.220242] ? check_preemption_disabled+0x48/0x280 [ 279.225274] irq_exit+0x17f/0x1c0 [ 279.228733] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.233581] ? smp_reschedule_interrupt+0x109/0x650 [ 279.238610] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.244530] ? interrupt_entry+0xb5/0xc0 [ 279.248604] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.253627] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.258651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.263504] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.268546] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.273586] ? task_prio+0x50/0x50 [ 279.277136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.282684] ? check_preemption_disabled+0x48/0x280 [ 279.287717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.292607] apic_timer_interrupt+0xf/0x20 [ 279.296838] [ 279.299102] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 279.304993] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 279.323921] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 279.331660] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 279.338942] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 279.346223] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 279.353511] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 279.360795] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 279.368118] ? save_stack+0xa9/0xd0 [ 279.371784] __kmalloc_node_track_caller+0x3c/0x70 [ 279.376743] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 279.381514] pskb_expand_head+0x230/0x10f0 [ 279.385765] ? memcpy+0x45/0x50 [ 279.389053] ? __copy_skb_header+0x350/0x6b0 [ 279.393500] ? skb_release_data+0x880/0x880 [ 279.397841] ? __alloc_skb+0x770/0x770 [ 279.401754] ? __lock_is_held+0xb5/0x140 [ 279.405827] ? kasan_check_write+0x14/0x20 [ 279.410067] ? __skb_clone+0x6c7/0xa00 [ 279.414008] ? __copy_skb_header+0x6b0/0x6b0 [ 279.418427] ? kmem_cache_alloc+0x33a/0x730 [ 279.422770] skb_ensure_writable+0x3dd/0x640 [ 279.427193] ? skb_checksum_setup+0xaa0/0xaa0 [ 279.431692] ? check_preemption_disabled+0x48/0x280 [ 279.436732] ? __this_cpu_preempt_check+0x1c/0x20 [ 279.441583] ? __bpf_redirect+0x54b/0xb20 [ 279.445749] bpf_clone_redirect+0x14a/0x490 [ 279.450112] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 279.455154] ? __sched_text_start+0x8/0x8 [ 279.459312] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 279.463900] ? retint_kernel+0x2d/0x2d [ 279.467792] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.472761] ? find_held_lock+0x36/0x1c0 [ 279.476851] ? lock_acquire+0x1ed/0x520 [ 279.480827] ? bpf_test_run+0x3cb/0x780 [ 279.484826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.490374] ? check_preemption_disabled+0x48/0x280 [ 279.495407] ? kasan_check_read+0x11/0x20 [ 279.499594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.504900] ? rcu_softirq_qs+0x20/0x20 [ 279.508905] ? preempt_schedule+0x4d/0x60 [ 279.513062] ? ___preempt_schedule+0x16/0x18 [ 279.517505] ? bpf_test_run+0x25d/0x780 [ 279.521498] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.525918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.531466] ? bpf_test_init.isra.10+0x70/0x100 [ 279.536148] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 279.540920] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.545768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.551328] ? fput+0x130/0x1a0 [ 279.554625] ? __bpf_prog_get+0x9b/0x290 [ 279.558694] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.563539] ? bpf_prog_test_run+0x130/0x1a0 [ 279.567975] ? __x64_sys_bpf+0x3d8/0x520 [ 279.572046] ? bpf_prog_get+0x20/0x20 [ 279.575885] ? do_syscall_64+0x1b9/0x820 [ 279.579947] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.585319] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.590252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.595104] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.600132] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.605157] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.610185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.615041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.620432] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 279.620446] warn_alloc_show_mem: 1 callbacks suppressed [ 279.620453] Mem-Info: [ 279.627751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.627760] Call Trace: [ 279.633136] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 279.633136] active_file:12 inactive_file:13 isolated_file:0 [ 279.633136] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.633136] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 279.633136] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 279.633136] free:13733 free_pcp:586 free_cma:0 [ 279.635520] [ 279.644879] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.647521] dump_stack+0x244/0x39d [ 279.680397] 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 [ 279.682566] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.709948] lowmem_reserve[]: 0 2818 6321 6321 [ 279.713580] warn_alloc.cold.116+0xb7/0x1bd [ 279.739660] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 279.744842] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.749409] lowmem_reserve[]: 0 0 3503 3503 [ 279.753735] ? lock_downgrade+0x900/0x900 [ 279.781292] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 279.786134] ? trace_hardirqs_off+0xb8/0x310 [ 279.790425] lowmem_reserve[]: 0 0 0 0 [ 279.794577] ? trace_hardirqs_off+0xb8/0x310 [ 279.823524] 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 [ 279.827931] __alloc_pages_slowpath+0x26e8/0x2e10 [ 279.831704] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 279.836154] ? warn_alloc+0x120/0x120 [ 279.849629] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 279.854482] ? print_usage_bug+0xc0/0xc0 [ 279.869827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.873618] ? warn_alloc+0x120/0x120 [ 279.887496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.891542] ? warn_alloc+0x120/0x120 [ 279.900351] 269 total pagecache pages [ 279.904145] ? print_usage_bug+0xc0/0xc0 [ 279.912699] 0 pages in swap cache [ 279.916505] ? kvm_clock_read+0x18/0x30 [ 279.920295] Swap cache stats: add 0, delete 0, find 0/0 [ 279.924343] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 279.927782] Free swap = 0kB [ 279.931749] ? print_usage_bug+0xc0/0xc0 [ 279.937087] Total swap = 0kB [ 279.942126] ? __lock_acquire+0x62f/0x4c20 [ 279.945120] 1965979 pages RAM [ 279.949184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.952180] 0 pages HighMem/MovableOnly [ 279.956424] ? should_fail+0x22d/0xd01 [ 279.959507] 342853 pages reserved [ 279.965038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.968988] 0 pages cma reserved [ 279.972867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.976358] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.981570] ? __lock_acquire+0x62f/0x4c20 [ 279.985000] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.990016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.996502] syz-executor0 cpuset=syz0 mems_allowed=0 [ 280.000730] ? __lock_acquire+0x62f/0x4c20 [ 280.025582] ? should_fail+0x22d/0xd01 [ 280.029469] ? rcu_irq_exit+0x1a2/0x390 [ 280.033482] ? mark_held_locks+0x130/0x130 [ 280.037736] ? mark_held_locks+0x130/0x130 [ 280.042000] ? mark_held_locks+0xc7/0x130 [ 280.046148] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 280.051186] ? zap_class+0x640/0x640 [ 280.054902] ? print_usage_bug+0xc0/0xc0 [ 280.058976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.064517] ? check_preemption_disabled+0x48/0x280 [ 280.069555] ? __lock_is_held+0xb5/0x140 [ 280.073642] __alloc_pages_nodemask+0xa80/0xde0 [ 280.078316] ? zap_class+0x640/0x640 [ 280.082068] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 280.087115] ? find_held_lock+0x36/0x1c0 [ 280.091188] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.095859] ? lock_downgrade+0x900/0x900 [ 280.100052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.105601] cache_grow_begin+0xa5/0x8c0 [ 280.109664] ? do_raw_spin_unlock+0xa7/0x330 [ 280.114082] fallback_alloc+0x204/0x2e0 [ 280.118064] ____cache_alloc_node+0x1c7/0x1e0 [ 280.122580] kmem_cache_alloc_node+0xe3/0x730 [ 280.127089] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.131341] __alloc_skb+0x119/0x770 [ 280.135055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.140340] ? netdev_alloc_frag+0x1f0/0x1f0 [ 280.144781] ? lock_downgrade+0x900/0x900 [ 280.148956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.154510] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.159965] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.165460] ? addrconf_rs_timer+0x690/0x690 [ 280.169896] ndisc_alloc_skb+0x144/0x340 [ 280.173965] ndisc_send_rs+0x331/0x6e0 [ 280.177872] addrconf_rs_timer+0x314/0x690 [ 280.182112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.186357] call_timer_fn+0x272/0x920 [ 280.190254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.194487] ? process_timeout+0x40/0x40 [ 280.198558] ? mark_held_locks+0xc7/0x130 [ 280.202710] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.207203] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.211783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.216020] ? lockdep_hardirqs_on+0x296/0x5b0 [ 280.220610] ? trace_hardirqs_on+0xbd/0x310 [ 280.224935] ? kasan_check_read+0x11/0x20 [ 280.229088] ? __run_timers+0x7da/0xc70 [ 280.233061] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.238175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.242429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.246663] __run_timers+0x7e5/0xc70 [ 280.250480] ? timer_fixup_init+0x70/0x70 [ 280.254634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.259669] ? zap_class+0x640/0x640 [ 280.263391] ? print_usage_bug+0xc0/0xc0 [ 280.267471] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.272669] ? find_held_lock+0x36/0x1c0 [ 280.276738] ? zap_class+0x640/0x640 [ 280.280459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.285999] ? check_preemption_disabled+0x48/0x280 [ 280.291027] ? __lock_is_held+0xb5/0x140 [ 280.295092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.300634] ? check_preemption_disabled+0x48/0x280 [ 280.305666] run_timer_softirq+0x52/0xb0 [ 280.309729] ? rcu_read_lock_sched_held+0x14f/0x180 [ 280.314762] __do_softirq+0x308/0xb7e [ 280.318568] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 280.323063] ? lock_downgrade+0x900/0x900 [ 280.327222] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 280.332329] ? pvclock_read_flags+0x160/0x160 [ 280.336823] ? lapic_next_event+0x5a/0x90 [ 280.340973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.346517] ? kvm_clock_read+0x18/0x30 [ 280.350491] ? kvm_sched_clock_read+0x9/0x20 [ 280.354902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.360458] ? check_preemption_disabled+0x48/0x280 [ 280.365485] irq_exit+0x17f/0x1c0 [ 280.368946] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.373789] ? smp_reschedule_interrupt+0x109/0x650 [ 280.378821] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.384708] ? interrupt_entry+0xb5/0xc0 [ 280.388801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.393816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.398850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.403694] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.408707] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.413723] ? task_prio+0x50/0x50 [ 280.417266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.422804] ? check_preemption_disabled+0x48/0x280 [ 280.427826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.432680] apic_timer_interrupt+0xf/0x20 [ 280.436907] [ 280.439153] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 280.444346] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 280.463262] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.470984] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 280.478283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 280.485564] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 280.492841] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 280.500110] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 280.507407] retint_kernel+0x1b/0x2d [ 280.511142] RIP: 0010:dump_stack+0x358/0x39d [ 280.515548] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 280.534464] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 280.542170] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 280.549454] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 280.556723] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 280.563991] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 280.571258] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 280.578574] ? dump_stack+0x34f/0x39d [ 280.582526] ? dump_stack_print_info.cold.1+0x20/0x20 [ 280.587732] dump_header+0x27b/0xf72 [ 280.591459] ? mark_held_locks+0x130/0x130 [ 280.595694] ? pagefault_out_of_memory+0x197/0x197 [ 280.600633] ? __lock_acquire+0x62f/0x4c20 [ 280.604868] ? zap_class+0x640/0x640 [ 280.608587] ? percpu_ref_get_many+0x240/0x240 [ 280.613222] ? print_usage_bug+0xc0/0xc0 [ 280.617283] ? print_usage_bug+0xc0/0xc0 [ 280.621364] ? zap_class+0x640/0x640 [ 280.625088] ? print_usage_bug+0xc0/0xc0 [ 280.629148] ? print_usage_bug+0xc0/0xc0 [ 280.633227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.638768] ? find_held_lock+0x36/0x1c0 [ 280.642868] ? mark_held_locks+0xc7/0x130 [ 280.647035] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.652136] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.657259] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 280.661849] ? trace_hardirqs_on+0xbd/0x310 [ 280.666170] ? kasan_check_read+0x11/0x20 [ 280.670317] ? ___ratelimit+0x3b4/0x672 [ 280.674308] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.679429] ? trace_hardirqs_on+0x310/0x310 [ 280.683855] ? lock_downgrade+0x900/0x900 [ 280.688008] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.693145] ? ___ratelimit+0x3b9/0x672 [ 280.697123] ? idr_get_free+0xf70/0xf70 [ 280.701097] ? find_held_lock+0x36/0x1c0 [ 280.705181] oom_kill_process.cold.27+0x10/0x903 [ 280.709949] ? zap_class+0x640/0x640 [ 280.713666] ? check_preemption_disabled+0x48/0x280 [ 280.719180] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.724142] ? kasan_check_read+0x11/0x20 [ 280.728291] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.733576] ? oom_evaluate_task+0x540/0x540 [ 280.737993] ? find_held_lock+0x36/0x1c0 [ 280.742066] ? out_of_memory+0x974/0x1430 [ 280.746216] ? lock_downgrade+0x900/0x900 [ 280.750361] ? check_preemption_disabled+0x48/0x280 [ 280.755385] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.760319] ? kasan_check_read+0x11/0x20 [ 280.764473] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.769751] ? rcu_softirq_qs+0x20/0x20 [ 280.773735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.779274] ? oom_evaluate_task+0x302/0x540 [ 280.783690] out_of_memory+0xa84/0x1430 [ 280.787677] ? oom_killer_disable+0x3a0/0x3a0 [ 280.792174] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 280.797119] ? __ww_mutex_check_waiters+0x160/0x160 [ 280.802162] __alloc_pages_slowpath+0x2354/0x2e10 [ 280.807047] ? warn_alloc+0x120/0x120 [ 280.810853] ? warn_alloc+0x120/0x120 [ 280.814675] ? warn_alloc+0x120/0x120 [ 280.818487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.823589] ? print_usage_bug+0xc0/0xc0 [ 280.827664] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 280.832270] ? print_usage_bug+0xc0/0xc0 [ 280.836341] ? print_usage_bug+0xc0/0xc0 [ 280.840408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.845958] ? should_fail+0x22d/0xd01 [ 280.849868] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.854985] ? zap_class+0x640/0x640 [ 280.858724] ? __lock_is_held+0xb5/0x140 [ 280.862887] ? zap_class+0x640/0x640 [ 280.866607] ? lock_release+0xa00/0xa00 [ 280.870583] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.876037] ? check_preemption_disabled+0x48/0x280 [ 280.881076] ? __might_sleep+0x95/0x190 [ 280.885071] __alloc_pages_nodemask+0xa80/0xde0 [ 280.889738] ? zap_class+0x640/0x640 [ 280.893475] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 280.898507] ? mark_held_locks+0xc7/0x130 [ 280.902693] ? cache_grow_begin+0x65/0x8c0 [ 280.906928] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 280.911517] ? trace_hardirqs_on+0xbd/0x310 [ 280.915848] ? fallback_alloc+0x204/0x2e0 [ 280.919997] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.925103] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.930645] cache_grow_begin+0xa5/0x8c0 [ 280.934706] ? do_raw_spin_unlock+0xa7/0x330 [ 280.939138] fallback_alloc+0x204/0x2e0 [ 280.943115] ____cache_alloc_node+0x1c7/0x1e0 [ 280.947631] kmem_cache_alloc_node+0xe3/0x730 [ 280.952157] __alloc_skb+0x119/0x770 [ 280.955876] ? netdev_alloc_frag+0x1f0/0x1f0 [ 280.960287] ? if_nlmsg_size+0x5d1/0xbb0 [ 280.964357] ? rtnetlink_put_metrics+0x690/0x690 [ 280.969125] ? sk_psock_stop_strp+0x120/0x120 [ 280.973619] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.978665] ? netif_tx_stop_all_queues+0xd9/0x110 [ 280.983616] rtmsg_ifinfo_build_skb+0x74/0x190 [ 280.988210] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 280.993065] rtmsg_ifinfo+0x8c/0xa0 [ 280.996716] dev_close_many+0x3be/0x860 [ 281.000703] ? dev_fill_metadata_dst+0x840/0x840 [ 281.005483] ? find_held_lock+0x36/0x1c0 [ 281.009569] ? __queue_work+0x671/0x1440 [ 281.013646] ? lock_downgrade+0x900/0x900 [ 281.017815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.023350] ? rtnl_is_locked+0xb5/0xf0 [ 281.027325] ? rtnl_trylock+0x20/0x20 [ 281.031138] ? do_raw_spin_unlock+0xa7/0x330 [ 281.035556] ? do_raw_spin_trylock+0x270/0x270 [ 281.040146] rollback_registered_many+0x543/0x1250 [ 281.045081] ? generic_xdp_install+0x5a0/0x5a0 [ 281.049672] ? flush_rcu_work+0x90/0x90 [ 281.053662] ? zap_class+0x640/0x640 [ 281.057379] ? print_usage_bug+0xc0/0xc0 [ 281.061461] ? print_usage_bug+0xc0/0xc0 [ 281.065539] ? zap_class+0x640/0x640 [ 281.069286] ? print_usage_bug+0xc0/0xc0 [ 281.073349] ? find_held_lock+0x36/0x1c0 [ 281.077444] ? mark_held_locks+0xc7/0x130 [ 281.081618] rollback_registered+0x1e9/0x420 [ 281.086031] ? lockdep_hardirqs_on+0x321/0x5b0 [ 281.090628] ? rollback_registered_many+0x1250/0x1250 [ 281.095817] ? trace_hardirqs_on+0xbd/0x310 [ 281.100141] ? linkwatch_schedule_work+0x150/0x170 [ 281.105088] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.110208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.115750] ? rtnl_is_locked+0xb5/0xf0 [ 281.119724] ? rtnl_trylock+0x20/0x20 [ 281.123532] ? queue_delayed_work_on+0x130/0x1f0 [ 281.128295] unregister_netdevice_queue+0x321/0x5e0 [ 281.133313] ? rollback_registered+0x420/0x420 [ 281.137893] ? linkwatch_schedule_work+0x170/0x170 [ 281.142828] ? tun_setup+0x2d0/0x2d0 [ 281.146545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.152101] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 281.157468] ? __tun_detach+0x6ba/0x15c0 [ 281.161574] __tun_detach+0x11b8/0x15c0 [ 281.165571] ? __call_rcu.constprop.55+0x3ea/0x950 [ 281.170501] ? __call_rcu.constprop.55+0x3ea/0x950 [ 281.175444] ? tun_attach+0x1900/0x1900 [ 281.179442] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.184584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.190128] ? check_preemption_disabled+0x48/0x280 [ 281.195162] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.199752] ? zap_class+0x640/0x640 [ 281.203484] ? fsnotify+0x4e5/0xf20 [ 281.207116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.212654] ? locks_remove_file+0x3c6/0x5c0 [ 281.217067] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 281.222646] ? ima_file_free+0x132/0x650 [ 281.226714] ? __lock_is_held+0xb5/0x140 [ 281.230782] ? __tun_detach+0x15c0/0x15c0 [ 281.234954] ? __tun_detach+0x15c0/0x15c0 [ 281.239115] tun_chr_close+0xe3/0x180 [ 281.242919] __fput+0x385/0xa30 [ 281.246211] ? get_max_files+0x20/0x20 [ 281.250118] ? perf_trace_sched_process_exec+0x860/0x860 [ 281.255588] ____fput+0x15/0x20 [ 281.258881] task_work_run+0x1e8/0x2a0 [ 281.262777] ? task_work_cancel+0x240/0x240 [ 281.267109] ? switch_task_namespaces+0xb8/0xd0 [ 281.271784] do_exit+0x1ad6/0x26d0 [ 281.275354] ? mm_update_next_owner+0x990/0x990 [ 281.280036] ? print_usage_bug+0xc0/0xc0 [ 281.284158] ? find_held_lock+0x36/0x1c0 [ 281.288237] ? mark_held_locks+0x130/0x130 [ 281.292493] ? __lock_acquire+0x62f/0x4c20 [ 281.296754] ? pipe_wait+0x266/0x2c0 [ 281.300479] ? lock_release+0xa00/0xa00 [ 281.304475] ? mark_held_locks+0x130/0x130 [ 281.308727] ? __mutex_lock+0x85e/0x16f0 [ 281.312788] ? __switch_to_asm+0x40/0x70 [ 281.316862] ? pipe_wait+0x266/0x2c0 [ 281.320590] ? __switch_to_asm+0x34/0x70 [ 281.324651] ? __switch_to_asm+0x40/0x70 [ 281.328713] ? mutex_trylock+0x2b0/0x2b0 [ 281.332778] ? zap_class+0x640/0x640 [ 281.336539] ? zap_class+0x640/0x640 [ 281.340266] ? find_held_lock+0x36/0x1c0 [ 281.344336] ? memset+0x31/0x40 [ 281.347626] ? find_held_lock+0x36/0x1c0 [ 281.351696] ? get_signal+0x95b/0x1980 [ 281.355587] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.360080] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.364583] do_group_exit+0x177/0x440 [ 281.368473] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.373594] ? __ia32_sys_exit+0x50/0x50 [ 281.377665] get_signal+0x8b0/0x1980 [ 281.381385] ? ptrace_notify+0x130/0x130 [ 281.385457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.391022] ? pipe_read+0x702/0x940 [ 281.394738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.400292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.405829] ? __vfs_read+0x11f/0x9b0 [ 281.409691] do_signal+0x9c/0x21c0 [ 281.413265] ? fsnotify+0xf20/0xf20 [ 281.416901] ? setup_sigcontext+0x7d0/0x7d0 [ 281.421238] ? exit_to_usermode_loop+0x8c/0x380 [ 281.425907] ? exit_to_usermode_loop+0x8c/0x380 [ 281.430582] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.435179] ? trace_hardirqs_on+0xbd/0x310 [ 281.439517] ? do_syscall_64+0x6be/0x820 [ 281.443588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.449129] exit_to_usermode_loop+0x2e5/0x380 [ 281.453728] ? __bpf_trace_sys_exit+0x30/0x30 [ 281.458235] do_syscall_64+0x6be/0x820 [ 281.462138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.467504] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.472453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.477303] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.482329] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.487355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.492211] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.497401] RIP: 0033:0x410fa0 [ 281.500613] Code: Bad RIP value. [ 281.503978] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 281.511684] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 281.518982] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 281.526248] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 281.533515] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 281.540796] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 281.548087] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 281.548168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.555459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.555465] Call Trace: [ 281.555471] [ 281.555490] dump_stack+0x244/0x39d [ 281.555509] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.562117] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.571432] warn_alloc.cold.116+0xb7/0x1bd [ 281.573990] syz-executor5 cpuset=syz5 mems_allowed=0 [ 281.576163] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.609688] ? lock_downgrade+0x900/0x900 [ 281.613860] ? trace_hardirqs_off+0xb8/0x310 [ 281.618274] ? trace_hardirqs_off+0xb8/0x310 [ 281.622691] __alloc_pages_slowpath+0x26e8/0x2e10 [ 281.627564] ? warn_alloc+0x120/0x120 [ 281.631369] ? print_usage_bug+0xc0/0xc0 [ 281.635446] ? warn_alloc+0x120/0x120 [ 281.639254] ? warn_alloc+0x120/0x120 [ 281.643055] ? print_usage_bug+0xc0/0xc0 [ 281.647133] ? kvm_clock_read+0x18/0x30 [ 281.651107] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 281.656178] ? print_usage_bug+0xc0/0xc0 [ 281.660244] ? __lock_acquire+0x62f/0x4c20 [ 281.664516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.670056] ? should_fail+0x22d/0xd01 [ 281.673941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.679267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.684377] ? __lock_acquire+0x62f/0x4c20 [ 281.688644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.693748] ? __lock_acquire+0x62f/0x4c20 [ 281.697988] ? should_fail+0x22d/0xd01 [ 281.701891] ? rcu_irq_exit+0x1a2/0x390 [ 281.705879] ? mark_held_locks+0x130/0x130 [ 281.710117] ? mark_held_locks+0x130/0x130 [ 281.714356] ? mark_held_locks+0xc7/0x130 [ 281.718504] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 281.723521] ? zap_class+0x640/0x640 [ 281.727238] ? print_usage_bug+0xc0/0xc0 [ 281.731307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.736844] ? check_preemption_disabled+0x48/0x280 [ 281.741907] ? __lock_is_held+0xb5/0x140 [ 281.745973] __alloc_pages_nodemask+0xa80/0xde0 [ 281.750655] ? zap_class+0x640/0x640 [ 281.754378] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 281.759410] ? find_held_lock+0x36/0x1c0 [ 281.763494] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.768198] ? lock_downgrade+0x900/0x900 [ 281.772397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.777950] cache_grow_begin+0xa5/0x8c0 [ 281.782033] ? do_raw_spin_unlock+0xa7/0x330 [ 281.786471] fallback_alloc+0x204/0x2e0 [ 281.790474] ____cache_alloc_node+0x1c7/0x1e0 [ 281.794992] kmem_cache_alloc_node+0xe3/0x730 [ 281.799500] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.803759] __alloc_skb+0x119/0x770 [ 281.807470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.812747] ? netdev_alloc_frag+0x1f0/0x1f0 [ 281.817184] ? lock_downgrade+0x900/0x900 [ 281.821333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.826884] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.832359] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.837822] ? addrconf_rs_timer+0x690/0x690 [ 281.842243] ndisc_alloc_skb+0x144/0x340 [ 281.846309] ndisc_send_rs+0x331/0x6e0 [ 281.850202] addrconf_rs_timer+0x314/0x690 [ 281.854475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.858725] call_timer_fn+0x272/0x920 [ 281.862641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.866877] ? process_timeout+0x40/0x40 [ 281.870941] ? __run_timers+0x7da/0xc70 [ 281.874913] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.879447] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.883942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.888207] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.892789] ? trace_hardirqs_on+0xbd/0x310 [ 281.897124] ? kasan_check_read+0x11/0x20 [ 281.901284] ? __run_timers+0x7da/0xc70 [ 281.905255] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.910362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.914615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.918878] __run_timers+0x7e5/0xc70 [ 281.922711] ? timer_fixup_init+0x70/0x70 [ 281.926865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.931889] ? zap_class+0x640/0x640 [ 281.935611] ? enqueue_hrtimer+0x1a5/0x560 [ 281.939850] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.945051] ? find_held_lock+0x36/0x1c0 [ 281.949122] ? zap_class+0x640/0x640 [ 281.952872] ? pvclock_read_flags+0x160/0x160 [ 281.957370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.962912] ? check_preemption_disabled+0x48/0x280 [ 281.967938] ? __lock_is_held+0xb5/0x140 [ 281.972004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.977570] ? check_preemption_disabled+0x48/0x280 [ 281.982601] run_timer_softirq+0x52/0xb0 [ 281.986670] ? rcu_read_lock_sched_held+0x14f/0x180 [ 281.991694] __do_softirq+0x308/0xb7e [ 281.995537] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 282.000049] ? lock_downgrade+0x900/0x900 [ 282.004204] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 282.009316] ? pvclock_read_flags+0x160/0x160 [ 282.013816] ? lapic_next_event+0x5a/0x90 [ 282.017965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.023515] ? kvm_clock_read+0x18/0x30 [ 282.027504] ? kvm_sched_clock_read+0x9/0x20 [ 282.031915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.037463] ? check_preemption_disabled+0x48/0x280 [ 282.042519] irq_exit+0x17f/0x1c0 [ 282.046005] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.050900] ? smp_reschedule_interrupt+0x109/0x650 [ 282.055915] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.061801] ? interrupt_entry+0xb5/0xc0 [ 282.065867] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.070881] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.075898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.080765] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.085800] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.090815] ? task_prio+0x50/0x50 [ 282.094357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.099893] ? check_preemption_disabled+0x48/0x280 [ 282.104914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.109766] apic_timer_interrupt+0xf/0x20 [ 282.113992] [ 282.116229] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 282.122111] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 282.141009] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.148716] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.155983] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 282.163250] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 282.170514] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 282.177778] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 282.185076] ? save_stack+0xa9/0xd0 [ 282.188727] __kmalloc_node_track_caller+0x3c/0x70 [ 282.193663] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 282.198435] pskb_expand_head+0x230/0x10f0 [ 282.202690] ? memcpy+0x45/0x50 [ 282.205976] ? __copy_skb_header+0x350/0x6b0 [ 282.210388] ? skb_release_data+0x880/0x880 [ 282.214716] ? __alloc_skb+0x770/0x770 [ 282.218618] ? __lock_is_held+0xb5/0x140 [ 282.222692] ? kasan_check_write+0x14/0x20 [ 282.226925] ? __skb_clone+0x6c7/0xa00 [ 282.230862] ? __copy_skb_header+0x6b0/0x6b0 [ 282.235275] ? kmem_cache_alloc+0x33a/0x730 [ 282.239618] skb_ensure_writable+0x3dd/0x640 [ 282.244030] ? skb_checksum_setup+0xaa0/0xaa0 [ 282.248531] ? check_preemption_disabled+0x48/0x280 [ 282.253558] ? __this_cpu_preempt_check+0x1c/0x20 [ 282.258399] ? __bpf_redirect+0x54b/0xb20 [ 282.262581] bpf_clone_redirect+0x14a/0x490 [ 282.266913] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 282.271933] ? __sched_text_start+0x8/0x8 [ 282.276081] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 282.280665] ? retint_kernel+0x2d/0x2d [ 282.284586] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.289630] ? find_held_lock+0x36/0x1c0 [ 282.293702] ? lock_acquire+0x1ed/0x520 [ 282.297679] ? bpf_test_run+0x3cb/0x780 [ 282.301659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.307197] ? check_preemption_disabled+0x48/0x280 [ 282.312221] ? kasan_check_read+0x11/0x20 [ 282.316387] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.321675] ? rcu_softirq_qs+0x20/0x20 [ 282.325651] ? preempt_schedule+0x4d/0x60 [ 282.329801] ? ___preempt_schedule+0x16/0x18 [ 282.334224] ? bpf_test_run+0x25d/0x780 [ 282.338210] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.342623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.348162] ? bpf_test_init.isra.10+0x70/0x100 [ 282.352855] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 282.357623] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.362472] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.368018] ? fput+0x130/0x1a0 [ 282.371300] ? __bpf_prog_get+0x9b/0x290 [ 282.375367] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.380207] ? bpf_prog_test_run+0x130/0x1a0 [ 282.384624] ? __x64_sys_bpf+0x3d8/0x520 [ 282.388689] ? bpf_prog_get+0x20/0x20 [ 282.392512] ? do_syscall_64+0x1b9/0x820 [ 282.396577] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.401945] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.406876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.411738] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.416763] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.421785] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.426807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.431659] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.437043] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 282.437049] warn_alloc_show_mem: 1 callbacks suppressed [ 282.437056] Mem-Info: [ 282.444326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.449707] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 282.449707] active_file:12 inactive_file:13 isolated_file:0 [ 282.449707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.449707] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 282.449707] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 282.449707] free:13733 free_pcp:586 free_cma:0 [ 282.452080] Call Trace: [ 282.461479] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.494324] [ 282.496894] 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 [ 282.524346] dump_stack+0x244/0x39d [ 282.526468] lowmem_reserve[]: 0 2818 6321 6321 [ 282.552589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 282.556199] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 282.560808] warn_alloc.cold.116+0xb7/0x1bd [ 282.565975] lowmem_reserve[]: 0 0 3503 3503 [ 282.593668] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.597977] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 282.602297] ? lock_downgrade+0x900/0x900 [ 282.607113] lowmem_reserve[]: 0 0 0 0 [ 282.636085] ? trace_hardirqs_off+0xb8/0x310 [ 282.640206] 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 [ 282.643999] ? trace_hardirqs_off+0xb8/0x310 [ 282.648379] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 282.661918] __alloc_pages_slowpath+0x26e8/0x2e10 [ 282.666305] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 282.681673] ? warn_alloc+0x120/0x120 [ 282.686484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.700342] ? print_usage_bug+0xc0/0xc0 [ 282.704136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.712979] ? warn_alloc+0x120/0x120 [ 282.717174] 269 total pagecache pages [ 282.717188] 0 pages in swap cache [ 282.725756] ? warn_alloc+0x120/0x120 [ 282.729535] Swap cache stats: add 0, delete 0, find 0/0 [ 282.733326] ? print_usage_bug+0xc0/0xc0 [ 282.736771] Free swap = 0kB [ 282.740577] ? print_usage_bug+0xc0/0xc0 [ 282.745948] Total swap = 0kB [ 282.750037] ? __lock_acquire+0x62f/0x4c20 [ 282.753046] 1965979 pages RAM [ 282.757101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.760091] 0 pages HighMem/MovableOnly [ 282.764318] ? should_fail+0x22d/0xd01 [ 282.767428] 342853 pages reserved [ 282.773002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.776971] 0 pages cma reserved [ 282.780849] ? __lock_acquire+0x62f/0x4c20 [ 282.784351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.789388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.792802] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.796976] ? __lock_acquire+0x62f/0x4c20 [ 282.803454] syz-executor0 cpuset=syz0 mems_allowed=0 [ 282.808555] ? should_fail+0x22d/0xd01 [ 282.832209] ? find_held_lock+0x36/0x1c0 [ 282.836280] ? mark_held_locks+0x130/0x130 [ 282.840522] ? mark_held_locks+0x130/0x130 [ 282.844760] ? zap_class+0x640/0x640 [ 282.848475] ? zap_class+0x640/0x640 [ 282.852191] ? print_usage_bug+0xc0/0xc0 [ 282.856280] ? do_raw_spin_unlock+0xa7/0x330 [ 282.860693] ? zap_class+0x640/0x640 [ 282.864429] ? print_usage_bug+0xc0/0xc0 [ 282.868511] ? wq_watchdog_touch+0x9c/0xfe [ 282.872755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.878299] ? check_preemption_disabled+0x48/0x280 [ 282.883329] ? __lock_is_held+0xb5/0x140 [ 282.887398] __alloc_pages_nodemask+0xa80/0xde0 [ 282.892090] ? zap_class+0x640/0x640 [ 282.895809] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 282.900842] ? find_held_lock+0x36/0x1c0 [ 282.904929] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.909604] ? lock_downgrade+0x900/0x900 [ 282.913760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.919318] cache_grow_begin+0xa5/0x8c0 [ 282.923378] ? do_raw_spin_unlock+0xa7/0x330 [ 282.927825] fallback_alloc+0x204/0x2e0 [ 282.931823] ____cache_alloc_node+0x1c7/0x1e0 [ 282.936341] kmem_cache_alloc_node+0xe3/0x730 [ 282.940839] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.945084] __alloc_skb+0x119/0x770 [ 282.948799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.954084] ? netdev_alloc_frag+0x1f0/0x1f0 [ 282.958535] ? lock_downgrade+0x900/0x900 [ 282.962691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.968234] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.973692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.979147] ? addrconf_rs_timer+0x690/0x690 [ 282.983570] ndisc_alloc_skb+0x144/0x340 [ 282.987653] ndisc_send_rs+0x331/0x6e0 [ 282.991561] addrconf_rs_timer+0x314/0x690 [ 282.995808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.000072] call_timer_fn+0x272/0x920 [ 283.003963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.008202] ? process_timeout+0x40/0x40 [ 283.012274] ? mark_held_locks+0xc7/0x130 [ 283.016445] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.020949] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.025454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.029693] ? lockdep_hardirqs_on+0x296/0x5b0 [ 283.034278] ? trace_hardirqs_on+0xbd/0x310 [ 283.038600] ? kasan_check_read+0x11/0x20 [ 283.042747] ? __run_timers+0x7da/0xc70 [ 283.046742] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.051855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.056098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.060335] __run_timers+0x7e5/0xc70 [ 283.064159] ? timer_fixup_init+0x70/0x70 [ 283.068311] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.073329] ? zap_class+0x640/0x640 [ 283.077052] ? print_usage_bug+0xc0/0xc0 [ 283.081117] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.086317] ? find_held_lock+0x36/0x1c0 [ 283.090389] ? zap_class+0x640/0x640 [ 283.094129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.099684] ? check_preemption_disabled+0x48/0x280 [ 283.104714] ? __lock_is_held+0xb5/0x140 [ 283.108777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.114317] ? check_preemption_disabled+0x48/0x280 [ 283.119342] run_timer_softirq+0x52/0xb0 [ 283.123406] ? rcu_read_lock_sched_held+0x14f/0x180 [ 283.128436] __do_softirq+0x308/0xb7e [ 283.132274] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 283.136766] ? lock_downgrade+0x900/0x900 [ 283.140920] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 283.146036] ? pvclock_read_flags+0x160/0x160 [ 283.150537] ? lapic_next_event+0x5a/0x90 [ 283.154688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.160247] ? kvm_clock_read+0x18/0x30 [ 283.164239] ? kvm_sched_clock_read+0x9/0x20 [ 283.168651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.174189] ? check_preemption_disabled+0x48/0x280 [ 283.179231] irq_exit+0x17f/0x1c0 [ 283.182697] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.187536] ? smp_reschedule_interrupt+0x109/0x650 [ 283.192554] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.198484] ? interrupt_entry+0xb5/0xc0 [ 283.202566] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.207579] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.212613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.217473] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.222488] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.227527] ? task_prio+0x50/0x50 [ 283.231070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.236623] ? check_preemption_disabled+0x48/0x280 [ 283.241662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.246540] apic_timer_interrupt+0xf/0x20 [ 283.250790] [ 283.253030] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 283.258221] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 283.277133] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 283.284844] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 283.292111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 283.299378] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 283.306649] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 283.313916] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 283.321218] retint_kernel+0x1b/0x2d [ 283.324958] RIP: 0010:dump_stack+0x358/0x39d [ 283.329368] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 283.348283] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 283.355989] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 283.363259] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 283.370530] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 283.377811] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 283.385076] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 283.392357] ? dump_stack+0x34f/0x39d [ 283.396172] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.401376] dump_header+0x27b/0xf72 [ 283.405122] ? mark_held_locks+0x130/0x130 [ 283.409386] ? pagefault_out_of_memory+0x197/0x197 [ 283.414352] ? __lock_acquire+0x62f/0x4c20 [ 283.418599] ? zap_class+0x640/0x640 [ 283.422317] ? percpu_ref_get_many+0x240/0x240 [ 283.426921] ? print_usage_bug+0xc0/0xc0 [ 283.430993] ? print_usage_bug+0xc0/0xc0 [ 283.435064] ? zap_class+0x640/0x640 [ 283.438781] ? print_usage_bug+0xc0/0xc0 [ 283.442838] ? print_usage_bug+0xc0/0xc0 [ 283.446910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.452496] ? find_held_lock+0x36/0x1c0 [ 283.456566] ? mark_held_locks+0xc7/0x130 [ 283.460731] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 283.465851] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 283.470964] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.475568] ? trace_hardirqs_on+0xbd/0x310 [ 283.479901] ? kasan_check_read+0x11/0x20 [ 283.484050] ? ___ratelimit+0x3b4/0x672 [ 283.488023] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.493126] ? trace_hardirqs_on+0x310/0x310 [ 283.497562] ? lock_downgrade+0x900/0x900 [ 283.501715] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.506826] ? ___ratelimit+0x3b9/0x672 [ 283.510802] ? idr_get_free+0xf70/0xf70 [ 283.514774] ? find_held_lock+0x36/0x1c0 [ 283.518851] oom_kill_process.cold.27+0x10/0x903 [ 283.523624] ? zap_class+0x640/0x640 [ 283.527344] ? check_preemption_disabled+0x48/0x280 [ 283.532366] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.537296] ? kasan_check_read+0x11/0x20 [ 283.541456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.546736] ? oom_evaluate_task+0x540/0x540 [ 283.551153] ? find_held_lock+0x36/0x1c0 [ 283.555223] ? out_of_memory+0x974/0x1430 [ 283.559387] ? lock_downgrade+0x900/0x900 [ 283.563545] ? check_preemption_disabled+0x48/0x280 [ 283.568568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.573497] ? kasan_check_read+0x11/0x20 [ 283.577678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.582962] ? rcu_softirq_qs+0x20/0x20 [ 283.586959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.592496] ? oom_evaluate_task+0x302/0x540 [ 283.596911] out_of_memory+0xa84/0x1430 [ 283.600919] ? oom_killer_disable+0x3a0/0x3a0 [ 283.605441] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 283.610386] ? __ww_mutex_check_waiters+0x160/0x160 [ 283.615434] __alloc_pages_slowpath+0x2354/0x2e10 [ 283.620308] ? warn_alloc+0x120/0x120 [ 283.624117] ? warn_alloc+0x120/0x120 [ 283.627923] ? warn_alloc+0x120/0x120 [ 283.631728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 283.636834] ? print_usage_bug+0xc0/0xc0 [ 283.640898] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.645488] ? print_usage_bug+0xc0/0xc0 [ 283.649561] ? print_usage_bug+0xc0/0xc0 [ 283.653637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.659184] ? should_fail+0x22d/0xd01 [ 283.663080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.668195] ? zap_class+0x640/0x640 [ 283.671947] ? __lock_is_held+0xb5/0x140 [ 283.676023] ? zap_class+0x640/0x640 [ 283.679746] ? lock_release+0xa00/0xa00 [ 283.683729] ? perf_trace_sched_process_exec+0x860/0x860 [ 283.689186] ? check_preemption_disabled+0x48/0x280 [ 283.694220] ? __might_sleep+0x95/0x190 [ 283.698203] __alloc_pages_nodemask+0xa80/0xde0 [ 283.702893] ? zap_class+0x640/0x640 [ 283.706618] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 283.711654] ? mark_held_locks+0xc7/0x130 [ 283.715811] ? cache_grow_begin+0x65/0x8c0 [ 283.720053] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.724645] ? trace_hardirqs_on+0xbd/0x310 [ 283.728990] ? fallback_alloc+0x204/0x2e0 [ 283.733144] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.738258] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.743807] cache_grow_begin+0xa5/0x8c0 [ 283.747975] ? do_raw_spin_unlock+0xa7/0x330 [ 283.752395] fallback_alloc+0x204/0x2e0 [ 283.756388] ____cache_alloc_node+0x1c7/0x1e0 [ 283.760918] kmem_cache_alloc_node+0xe3/0x730 [ 283.765439] __alloc_skb+0x119/0x770 [ 283.769166] ? netdev_alloc_frag+0x1f0/0x1f0 [ 283.773585] ? if_nlmsg_size+0x5d1/0xbb0 [ 283.777657] ? rtnetlink_put_metrics+0x690/0x690 [ 283.782446] ? sk_psock_stop_strp+0x120/0x120 [ 283.786955] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 283.791976] ? netif_tx_stop_all_queues+0xd9/0x110 [ 283.796914] rtmsg_ifinfo_build_skb+0x74/0x190 [ 283.801528] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 283.806385] rtmsg_ifinfo+0x8c/0xa0 [ 283.810035] dev_close_many+0x3be/0x860 [ 283.814022] ? dev_fill_metadata_dst+0x840/0x840 [ 283.818815] ? find_held_lock+0x36/0x1c0 [ 283.822905] ? __queue_work+0x671/0x1440 [ 283.826978] ? lock_downgrade+0x900/0x900 [ 283.831136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.836690] ? rtnl_is_locked+0xb5/0xf0 [ 283.840673] ? rtnl_trylock+0x20/0x20 [ 283.844487] ? do_raw_spin_unlock+0xa7/0x330 [ 283.848898] ? do_raw_spin_trylock+0x270/0x270 [ 283.853508] rollback_registered_many+0x543/0x1250 [ 283.858495] ? generic_xdp_install+0x5a0/0x5a0 [ 283.863090] ? flush_rcu_work+0x90/0x90 [ 283.867073] ? zap_class+0x640/0x640 [ 283.870804] ? print_usage_bug+0xc0/0xc0 [ 283.874914] ? print_usage_bug+0xc0/0xc0 [ 283.878987] ? zap_class+0x640/0x640 [ 283.882708] ? print_usage_bug+0xc0/0xc0 [ 283.886772] ? find_held_lock+0x36/0x1c0 [ 283.890859] ? mark_held_locks+0xc7/0x130 [ 283.895032] rollback_registered+0x1e9/0x420 [ 283.899448] ? lockdep_hardirqs_on+0x321/0x5b0 [ 283.904054] ? rollback_registered_many+0x1250/0x1250 [ 283.909250] ? trace_hardirqs_on+0xbd/0x310 [ 283.913579] ? linkwatch_schedule_work+0x150/0x170 [ 283.918551] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.923662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.929217] ? rtnl_is_locked+0xb5/0xf0 [ 283.933196] ? rtnl_trylock+0x20/0x20 [ 283.937018] ? queue_delayed_work_on+0x130/0x1f0 [ 283.941786] unregister_netdevice_queue+0x321/0x5e0 [ 283.946826] ? rollback_registered+0x420/0x420 [ 283.951413] ? linkwatch_schedule_work+0x170/0x170 [ 283.956358] ? tun_setup+0x2d0/0x2d0 [ 283.960078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.965623] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 283.970996] ? __tun_detach+0x6ba/0x15c0 [ 283.975068] __tun_detach+0x11b8/0x15c0 [ 283.979051] ? __call_rcu.constprop.55+0x3ea/0x950 [ 283.983984] ? __call_rcu.constprop.55+0x3ea/0x950 [ 283.988924] ? tun_attach+0x1900/0x1900 [ 283.992903] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.998032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.003586] ? check_preemption_disabled+0x48/0x280 [ 284.008605] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 284.013209] ? zap_class+0x640/0x640 [ 284.016928] ? fsnotify+0x4e5/0xf20 [ 284.020567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.026102] ? locks_remove_file+0x3c6/0x5c0 [ 284.030529] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 284.036067] ? ima_file_free+0x132/0x650 [ 284.040145] ? __lock_is_held+0xb5/0x140 [ 284.044213] ? __tun_detach+0x15c0/0x15c0 [ 284.048366] ? __tun_detach+0x15c0/0x15c0 [ 284.052518] tun_chr_close+0xe3/0x180 [ 284.056339] __fput+0x385/0xa30 [ 284.059642] ? get_max_files+0x20/0x20 [ 284.063535] ? perf_trace_sched_process_exec+0x860/0x860 [ 284.068993] ____fput+0x15/0x20 [ 284.072277] task_work_run+0x1e8/0x2a0 [ 284.076179] ? task_work_cancel+0x240/0x240 [ 284.080506] ? switch_task_namespaces+0xb8/0xd0 [ 284.085182] do_exit+0x1ad6/0x26d0 [ 284.088735] ? mm_update_next_owner+0x990/0x990 [ 284.093495] ? print_usage_bug+0xc0/0xc0 [ 284.097555] ? find_held_lock+0x36/0x1c0 [ 284.101676] ? mark_held_locks+0x130/0x130 [ 284.105916] ? __lock_acquire+0x62f/0x4c20 [ 284.110148] ? pipe_wait+0x266/0x2c0 [ 284.113866] ? lock_release+0xa00/0xa00 [ 284.117849] ? mark_held_locks+0x130/0x130 [ 284.122108] ? __mutex_lock+0x85e/0x16f0 [ 284.126168] ? __switch_to_asm+0x40/0x70 [ 284.130227] ? pipe_wait+0x266/0x2c0 [ 284.133944] ? __switch_to_asm+0x34/0x70 [ 284.138015] ? __switch_to_asm+0x40/0x70 [ 284.142075] ? mutex_trylock+0x2b0/0x2b0 [ 284.146137] ? zap_class+0x640/0x640 [ 284.149878] ? zap_class+0x640/0x640 [ 284.153630] ? find_held_lock+0x36/0x1c0 [ 284.157703] ? memset+0x31/0x40 [ 284.160990] ? find_held_lock+0x36/0x1c0 [ 284.165058] ? get_signal+0x95b/0x1980 [ 284.168955] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.173453] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.177968] do_group_exit+0x177/0x440 [ 284.181860] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.186981] ? __ia32_sys_exit+0x50/0x50 [ 284.191081] get_signal+0x8b0/0x1980 [ 284.194813] ? ptrace_notify+0x130/0x130 [ 284.198880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.204416] ? pipe_read+0x702/0x940 [ 284.208152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.213705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.219244] ? __vfs_read+0x11f/0x9b0 [ 284.223051] do_signal+0x9c/0x21c0 [ 284.226597] ? fsnotify+0xf20/0xf20 [ 284.230233] ? setup_sigcontext+0x7d0/0x7d0 [ 284.234596] ? exit_to_usermode_loop+0x8c/0x380 [ 284.239293] ? exit_to_usermode_loop+0x8c/0x380 [ 284.243967] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 284.248550] ? trace_hardirqs_on+0xbd/0x310 [ 284.252893] ? do_syscall_64+0x6be/0x820 [ 284.256966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.262526] exit_to_usermode_loop+0x2e5/0x380 [ 284.267125] ? __bpf_trace_sys_exit+0x30/0x30 [ 284.271651] do_syscall_64+0x6be/0x820 [ 284.275540] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.280924] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.285856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.290704] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.295726] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.300748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.305605] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.310807] RIP: 0033:0x410fa0 [ 284.314014] Code: Bad RIP value. [ 284.317376] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 284.325106] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 284.332374] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 284.339640] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 284.346906] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 284.354221] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 284.361512] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 284.361591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.368884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.368890] Call Trace: [ 284.368895] [ 284.368913] dump_stack+0x244/0x39d [ 284.368932] ? dump_stack_print_info.cold.1+0x20/0x20 [ 284.375496] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.384778] warn_alloc.cold.116+0xb7/0x1bd [ 284.387333] syz-executor5 cpuset=syz5 mems_allowed=0 [ 284.389478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.422993] ? lock_downgrade+0x900/0x900 [ 284.427147] ? trace_hardirqs_off+0xb8/0x310 [ 284.431563] ? trace_hardirqs_off+0xb8/0x310 [ 284.436001] __alloc_pages_slowpath+0x26e8/0x2e10 [ 284.440874] ? warn_alloc+0x120/0x120 [ 284.444680] ? print_usage_bug+0xc0/0xc0 [ 284.448758] ? warn_alloc+0x120/0x120 [ 284.452563] ? warn_alloc+0x120/0x120 [ 284.456368] ? print_usage_bug+0xc0/0xc0 [ 284.460466] ? print_usage_bug+0xc0/0xc0 [ 284.464545] ? __lock_acquire+0x62f/0x4c20 [ 284.468804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.474343] ? should_fail+0x22d/0xd01 [ 284.478240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.483343] ? __lock_acquire+0x62f/0x4c20 [ 284.487581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.492697] ? __lock_acquire+0x62f/0x4c20 [ 284.496948] ? should_fail+0x22d/0xd01 [ 284.500836] ? find_held_lock+0x36/0x1c0 [ 284.504902] ? mark_held_locks+0x130/0x130 [ 284.509145] ? mark_held_locks+0x130/0x130 [ 284.513376] ? zap_class+0x640/0x640 [ 284.517089] ? zap_class+0x640/0x640 [ 284.520832] ? print_usage_bug+0xc0/0xc0 [ 284.524925] ? do_raw_spin_unlock+0xa7/0x330 [ 284.529361] ? zap_class+0x640/0x640 [ 284.533078] ? print_usage_bug+0xc0/0xc0 [ 284.537155] ? wq_watchdog_touch+0x9c/0xfe [ 284.541391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.546955] ? check_preemption_disabled+0x48/0x280 [ 284.551998] ? __lock_is_held+0xb5/0x140 [ 284.556062] __alloc_pages_nodemask+0xa80/0xde0 [ 284.560731] ? zap_class+0x640/0x640 [ 284.564469] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 284.569496] ? find_held_lock+0x36/0x1c0 [ 284.573575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.578258] ? lock_downgrade+0x900/0x900 [ 284.582849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.588389] cache_grow_begin+0xa5/0x8c0 [ 284.592474] ? do_raw_spin_unlock+0xa7/0x330 [ 284.596891] fallback_alloc+0x204/0x2e0 [ 284.600892] ____cache_alloc_node+0x1c7/0x1e0 [ 284.605406] kmem_cache_alloc_node+0xe3/0x730 [ 284.609931] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.614180] __alloc_skb+0x119/0x770 [ 284.617893] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.623238] ? netdev_alloc_frag+0x1f0/0x1f0 [ 284.627645] ? lock_downgrade+0x900/0x900 [ 284.631797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.637337] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.642791] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.648259] ? addrconf_rs_timer+0x690/0x690 [ 284.652681] ndisc_alloc_skb+0x144/0x340 [ 284.656750] ndisc_send_rs+0x331/0x6e0 [ 284.660647] addrconf_rs_timer+0x314/0x690 [ 284.664927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.669177] call_timer_fn+0x272/0x920 [ 284.673082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.677320] ? process_timeout+0x40/0x40 [ 284.681407] ? __run_timers+0x7da/0xc70 [ 284.685405] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.689933] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.694498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.698752] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.703354] ? trace_hardirqs_on+0xbd/0x310 [ 284.707675] ? kasan_check_read+0x11/0x20 [ 284.711819] ? __run_timers+0x7da/0xc70 [ 284.715798] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.720919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.725158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.729389] __run_timers+0x7e5/0xc70 [ 284.733235] ? timer_fixup_init+0x70/0x70 [ 284.737415] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.742475] ? zap_class+0x640/0x640 [ 284.746194] ? enqueue_hrtimer+0x1a5/0x560 [ 284.750439] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.755645] ? find_held_lock+0x36/0x1c0 [ 284.759713] ? zap_class+0x640/0x640 [ 284.763447] ? pvclock_read_flags+0x160/0x160 [ 284.767947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.773492] ? check_preemption_disabled+0x48/0x280 [ 284.778520] ? __lock_is_held+0xb5/0x140 [ 284.782583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.788124] ? check_preemption_disabled+0x48/0x280 [ 284.793147] run_timer_softirq+0x52/0xb0 [ 284.797213] ? rcu_read_lock_sched_held+0x14f/0x180 [ 284.802240] __do_softirq+0x308/0xb7e [ 284.806050] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.810548] ? lock_downgrade+0x900/0x900 [ 284.814792] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 284.819904] ? pvclock_read_flags+0x160/0x160 [ 284.824404] ? lapic_next_event+0x5a/0x90 [ 284.828567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.834115] ? kvm_clock_read+0x18/0x30 [ 284.838093] ? kvm_sched_clock_read+0x9/0x20 [ 284.842507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.848054] ? check_preemption_disabled+0x48/0x280 [ 284.853081] irq_exit+0x17f/0x1c0 [ 284.856540] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.861382] ? smp_reschedule_interrupt+0x109/0x650 [ 284.866401] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.872323] ? interrupt_entry+0xb5/0xc0 [ 284.876396] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.881431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.886480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.891324] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.896344] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.901361] ? task_prio+0x50/0x50 [ 284.904904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.910480] ? check_preemption_disabled+0x48/0x280 [ 284.915521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.920370] apic_timer_interrupt+0xf/0x20 [ 284.924601] [ 284.926841] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 284.932731] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 284.951632] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.959342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.966611] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 284.973877] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 284.981159] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 284.988438] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 284.995752] ? save_stack+0xa9/0xd0 [ 284.999410] __kmalloc_node_track_caller+0x3c/0x70 [ 285.004391] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 285.009159] pskb_expand_head+0x230/0x10f0 [ 285.013399] ? memcpy+0x45/0x50 [ 285.016714] ? __copy_skb_header+0x350/0x6b0 [ 285.021126] ? skb_release_data+0x880/0x880 [ 285.025460] ? __alloc_skb+0x770/0x770 [ 285.029357] ? __lock_is_held+0xb5/0x140 [ 285.033433] ? kasan_check_write+0x14/0x20 [ 285.037707] ? __skb_clone+0x6c7/0xa00 [ 285.041599] ? __copy_skb_header+0x6b0/0x6b0 [ 285.046008] ? kmem_cache_alloc+0x33a/0x730 [ 285.050344] skb_ensure_writable+0x3dd/0x640 [ 285.054757] ? skb_checksum_setup+0xaa0/0xaa0 [ 285.059269] ? check_preemption_disabled+0x48/0x280 [ 285.064309] ? __this_cpu_preempt_check+0x1c/0x20 [ 285.069157] ? __bpf_redirect+0x54b/0xb20 [ 285.073314] bpf_clone_redirect+0x14a/0x490 [ 285.077648] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 285.082669] ? __sched_text_start+0x8/0x8 [ 285.086846] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 285.091461] ? retint_kernel+0x2d/0x2d [ 285.095348] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.100286] ? find_held_lock+0x36/0x1c0 [ 285.104398] ? lock_acquire+0x1ed/0x520 [ 285.108380] ? bpf_test_run+0x3cb/0x780 [ 285.112360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.117914] ? check_preemption_disabled+0x48/0x280 [ 285.122937] ? kasan_check_read+0x11/0x20 [ 285.127085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.132364] ? rcu_softirq_qs+0x20/0x20 [ 285.136340] ? preempt_schedule+0x4d/0x60 [ 285.140494] ? ___preempt_schedule+0x16/0x18 [ 285.144933] ? bpf_test_run+0x25d/0x780 [ 285.148935] ? netlink_diag_dump+0x2a0/0x2a0 [ 285.153352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.158889] ? bpf_test_init.isra.10+0x70/0x100 [ 285.163567] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 285.168336] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 285.173178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.178733] ? fput+0x130/0x1a0 [ 285.182016] ? __bpf_prog_get+0x9b/0x290 [ 285.186083] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 285.190924] ? bpf_prog_test_run+0x130/0x1a0 [ 285.195336] ? __x64_sys_bpf+0x3d8/0x520 [ 285.199400] ? bpf_prog_get+0x20/0x20 [ 285.203282] ? do_syscall_64+0x1b9/0x820 [ 285.207344] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 285.212713] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.217643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.222488] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.227589] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 285.232623] ? prepare_exit_to_usermode+0x291/0x3b0 [ 285.237653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.242519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.247900] warn_alloc_show_mem: 1 callbacks suppressed [ 285.247912] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 285.247914] Mem-Info: [ 285.247945] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 285.247945] active_file:12 inactive_file:13 isolated_file:0 [ 285.247945] unevictable:0 dirty:0 writeback:0 unstable:0 [ 285.247945] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 285.247945] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 285.247945] free:13733 free_pcp:586 free_cma:0 [ 285.253291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.260582] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 285.262995] Call Trace: [ 285.295857] 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 [ 285.305210] [ 285.332616] lowmem_reserve[]: 0 2818 6321 6321 [ 285.335202] dump_stack+0x244/0x39d [ 285.361285] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 285.363487] ? dump_stack_print_info.cold.1+0x20/0x20 [ 285.368042] lowmem_reserve[]: 0 0 3503 3503 [ 285.371670] warn_alloc.cold.116+0xb7/0x1bd [ 285.399250] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 285.404462] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.408767] lowmem_reserve[]: 0 0 0 0 [ 285.413144] ? lock_downgrade+0x900/0x900 [ 285.442090] 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 [ 285.446928] ? trace_hardirqs_off+0xb8/0x310 [ 285.450699] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 285.454844] ? trace_hardirqs_off+0xb8/0x310 [ 285.468341] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 285.472748] __alloc_pages_slowpath+0x26e8/0x2e10 [ 285.488075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.492511] ? warn_alloc+0x120/0x120 [ 285.506339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.511166] ? print_usage_bug+0xc0/0xc0 [ 285.519998] 269 total pagecache pages [ 285.523789] ? warn_alloc+0x120/0x120 [ 285.532344] 0 pages in swap cache [ 285.536393] ? warn_alloc+0x120/0x120 [ 285.540171] Swap cache stats: add 0, delete 0, find 0/0 [ 285.543963] ? print_usage_bug+0xc0/0xc0 [ 285.547394] Free swap = 0kB [ 285.551200] ? kvm_clock_read+0x18/0x30 [ 285.556545] Total swap = 0kB [ 285.560602] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.563596] 1965979 pages RAM [ 285.567566] ? print_usage_bug+0xc0/0xc0 [ 285.570572] 0 pages HighMem/MovableOnly [ 285.575582] ? __lock_acquire+0x62f/0x4c20 [ 285.578673] 342853 pages reserved [ 285.582724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.586679] 0 pages cma reserved [ 285.590908] ? should_fail+0x22d/0xd01 [ 285.594415] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.599861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.599878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.603317] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.607103] ? __lock_acquire+0x62f/0x4c20 [ 285.613572] syz-executor0 cpuset=syz0 mems_allowed=0 [ 285.618858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.648825] ? __lock_acquire+0x62f/0x4c20 [ 285.653057] ? should_fail+0x22d/0xd01 [ 285.656949] ? rcu_irq_exit+0x1a2/0x390 [ 285.660933] ? mark_held_locks+0x130/0x130 [ 285.665189] ? mark_held_locks+0x130/0x130 [ 285.669437] ? mark_held_locks+0xc7/0x130 [ 285.673607] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 285.678624] ? zap_class+0x640/0x640 [ 285.682364] ? print_usage_bug+0xc0/0xc0 [ 285.686436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.691980] ? check_preemption_disabled+0x48/0x280 [ 285.697006] ? __lock_is_held+0xb5/0x140 [ 285.701078] __alloc_pages_nodemask+0xa80/0xde0 [ 285.705748] ? zap_class+0x640/0x640 [ 285.709500] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 285.714531] ? find_held_lock+0x36/0x1c0 [ 285.718600] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.723284] ? lock_downgrade+0x900/0x900 [ 285.727451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.733023] cache_grow_begin+0xa5/0x8c0 [ 285.737092] ? do_raw_spin_unlock+0xa7/0x330 [ 285.741525] fallback_alloc+0x204/0x2e0 [ 285.745509] ____cache_alloc_node+0x1c7/0x1e0 [ 285.750011] kmem_cache_alloc_node+0xe3/0x730 [ 285.754515] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.758777] __alloc_skb+0x119/0x770 [ 285.762489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.767802] ? netdev_alloc_frag+0x1f0/0x1f0 [ 285.772213] ? lock_downgrade+0x900/0x900 [ 285.776381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.781918] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.787379] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.792830] ? addrconf_rs_timer+0x690/0x690 [ 285.797253] ndisc_alloc_skb+0x144/0x340 [ 285.801318] ndisc_send_rs+0x331/0x6e0 [ 285.805213] addrconf_rs_timer+0x314/0x690 [ 285.809458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.813720] call_timer_fn+0x272/0x920 [ 285.817633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.821885] ? process_timeout+0x40/0x40 [ 285.825957] ? mark_held_locks+0xc7/0x130 [ 285.830105] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.834600] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.839135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.843384] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.847971] ? trace_hardirqs_on+0xbd/0x310 [ 285.852292] ? kasan_check_read+0x11/0x20 [ 285.856442] ? __run_timers+0x7da/0xc70 [ 285.860429] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.865573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.869840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.874071] __run_timers+0x7e5/0xc70 [ 285.877897] ? timer_fixup_init+0x70/0x70 [ 285.882047] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.887068] ? zap_class+0x640/0x640 [ 285.890788] ? print_usage_bug+0xc0/0xc0 [ 285.894850] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.900045] ? find_held_lock+0x36/0x1c0 [ 285.904146] ? zap_class+0x640/0x640 [ 285.907865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.913402] ? check_preemption_disabled+0x48/0x280 [ 285.918448] ? __lock_is_held+0xb5/0x140 [ 285.922515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.928072] ? check_preemption_disabled+0x48/0x280 [ 285.933121] run_timer_softirq+0x52/0xb0 [ 285.937216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 285.942239] __do_softirq+0x308/0xb7e [ 285.946043] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 285.950541] ? lock_downgrade+0x900/0x900 [ 285.954693] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 285.959807] ? pvclock_read_flags+0x160/0x160 [ 285.964319] ? lapic_next_event+0x5a/0x90 [ 285.968469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.974013] ? kvm_clock_read+0x18/0x30 [ 285.977991] ? kvm_sched_clock_read+0x9/0x20 [ 285.982415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.987982] ? check_preemption_disabled+0x48/0x280 [ 285.993011] irq_exit+0x17f/0x1c0 [ 285.996481] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.001328] ? smp_reschedule_interrupt+0x109/0x650 [ 286.006359] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.012245] ? interrupt_entry+0xb5/0xc0 [ 286.016336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.021351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.026372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.031234] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.036261] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.041294] ? task_prio+0x50/0x50 [ 286.044852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.050426] ? check_preemption_disabled+0x48/0x280 [ 286.055492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.060346] apic_timer_interrupt+0xf/0x20 [ 286.064572] [ 286.066826] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 286.072018] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 286.090916] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 286.098638] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 286.105903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 286.113190] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 286.120461] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 286.127728] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 286.135026] retint_kernel+0x1b/0x2d [ 286.138753] RIP: 0010:dump_stack+0x358/0x39d [ 286.143175] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 286.162087] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 286.169796] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 286.177064] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 286.184331] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 286.191596] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 286.198875] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 286.206160] ? dump_stack+0x34f/0x39d [ 286.209976] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.215177] dump_header+0x27b/0xf72 [ 286.218904] ? mark_held_locks+0x130/0x130 [ 286.223143] ? pagefault_out_of_memory+0x197/0x197 [ 286.228083] ? __lock_acquire+0x62f/0x4c20 [ 286.232319] ? zap_class+0x640/0x640 [ 286.236034] ? percpu_ref_get_many+0x240/0x240 [ 286.240624] ? print_usage_bug+0xc0/0xc0 [ 286.244695] ? print_usage_bug+0xc0/0xc0 [ 286.248767] ? zap_class+0x640/0x640 [ 286.252512] ? print_usage_bug+0xc0/0xc0 [ 286.256579] ? print_usage_bug+0xc0/0xc0 [ 286.260651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.266199] ? find_held_lock+0x36/0x1c0 [ 286.270269] ? mark_held_locks+0xc7/0x130 [ 286.274426] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 286.279545] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 286.284650] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.289247] ? trace_hardirqs_on+0xbd/0x310 [ 286.293574] ? kasan_check_read+0x11/0x20 [ 286.297724] ? ___ratelimit+0x3b4/0x672 [ 286.301762] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.306881] ? trace_hardirqs_on+0x310/0x310 [ 286.311293] ? lock_downgrade+0x900/0x900 [ 286.315462] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.320583] ? ___ratelimit+0x3b9/0x672 [ 286.324564] ? idr_get_free+0xf70/0xf70 [ 286.328550] ? find_held_lock+0x36/0x1c0 [ 286.332633] oom_kill_process.cold.27+0x10/0x903 [ 286.337430] ? zap_class+0x640/0x640 [ 286.341150] ? check_preemption_disabled+0x48/0x280 [ 286.346170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.351097] ? kasan_check_read+0x11/0x20 [ 286.355246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.360524] ? oom_evaluate_task+0x540/0x540 [ 286.364956] ? find_held_lock+0x36/0x1c0 [ 286.369028] ? out_of_memory+0x974/0x1430 [ 286.373177] ? lock_downgrade+0x900/0x900 [ 286.377323] ? check_preemption_disabled+0x48/0x280 [ 286.382340] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.387267] ? kasan_check_read+0x11/0x20 [ 286.391447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.396772] ? rcu_softirq_qs+0x20/0x20 [ 286.400752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.406286] ? oom_evaluate_task+0x302/0x540 [ 286.410697] out_of_memory+0xa84/0x1430 [ 286.414681] ? oom_killer_disable+0x3a0/0x3a0 [ 286.419181] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 286.424129] ? __ww_mutex_check_waiters+0x160/0x160 [ 286.429155] __alloc_pages_slowpath+0x2354/0x2e10 [ 286.434054] ? warn_alloc+0x120/0x120 [ 286.437901] ? warn_alloc+0x120/0x120 [ 286.441720] ? warn_alloc+0x120/0x120 [ 286.445534] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 286.450639] ? print_usage_bug+0xc0/0xc0 [ 286.454703] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.459294] ? print_usage_bug+0xc0/0xc0 [ 286.463372] ? print_usage_bug+0xc0/0xc0 [ 286.467443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.473030] ? should_fail+0x22d/0xd01 [ 286.476921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.482030] ? zap_class+0x640/0x640 [ 286.485782] ? __lock_is_held+0xb5/0x140 [ 286.489860] ? zap_class+0x640/0x640 [ 286.493573] ? lock_release+0xa00/0xa00 [ 286.497552] ? perf_trace_sched_process_exec+0x860/0x860 [ 286.503000] ? check_preemption_disabled+0x48/0x280 [ 286.508039] ? __might_sleep+0x95/0x190 [ 286.512014] __alloc_pages_nodemask+0xa80/0xde0 [ 286.516679] ? zap_class+0x640/0x640 [ 286.520408] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 286.525463] ? mark_held_locks+0xc7/0x130 [ 286.529614] ? cache_grow_begin+0x65/0x8c0 [ 286.533846] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.538474] ? trace_hardirqs_on+0xbd/0x310 [ 286.542808] ? fallback_alloc+0x204/0x2e0 [ 286.546973] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.552108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.557651] cache_grow_begin+0xa5/0x8c0 [ 286.561726] ? do_raw_spin_unlock+0xa7/0x330 [ 286.566142] fallback_alloc+0x204/0x2e0 [ 286.570139] ____cache_alloc_node+0x1c7/0x1e0 [ 286.574687] kmem_cache_alloc_node+0xe3/0x730 [ 286.579223] __alloc_skb+0x119/0x770 [ 286.583097] ? netdev_alloc_frag+0x1f0/0x1f0 [ 286.587507] ? if_nlmsg_size+0x5d1/0xbb0 [ 286.591620] ? rtnetlink_put_metrics+0x690/0x690 [ 286.596384] ? sk_psock_stop_strp+0x120/0x120 [ 286.600888] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 286.605903] ? netif_tx_stop_all_queues+0xd9/0x110 [ 286.610864] rtmsg_ifinfo_build_skb+0x74/0x190 [ 286.615455] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 286.620303] rtmsg_ifinfo+0x8c/0xa0 [ 286.623935] dev_close_many+0x3be/0x860 [ 286.627939] ? dev_fill_metadata_dst+0x840/0x840 [ 286.632701] ? find_held_lock+0x36/0x1c0 [ 286.636790] ? __queue_work+0x671/0x1440 [ 286.640887] ? lock_downgrade+0x900/0x900 [ 286.645058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.650596] ? rtnl_is_locked+0xb5/0xf0 [ 286.654567] ? rtnl_trylock+0x20/0x20 [ 286.658369] ? do_raw_spin_unlock+0xa7/0x330 [ 286.662782] ? do_raw_spin_trylock+0x270/0x270 [ 286.667377] rollback_registered_many+0x543/0x1250 [ 286.672324] ? generic_xdp_install+0x5a0/0x5a0 [ 286.676921] ? flush_rcu_work+0x90/0x90 [ 286.680948] ? zap_class+0x640/0x640 [ 286.684681] ? print_usage_bug+0xc0/0xc0 [ 286.688744] ? print_usage_bug+0xc0/0xc0 [ 286.692808] ? zap_class+0x640/0x640 [ 286.696529] ? print_usage_bug+0xc0/0xc0 [ 286.700641] ? find_held_lock+0x36/0x1c0 [ 286.704716] ? mark_held_locks+0xc7/0x130 [ 286.708890] rollback_registered+0x1e9/0x420 [ 286.713312] ? lockdep_hardirqs_on+0x321/0x5b0 [ 286.718357] ? rollback_registered_many+0x1250/0x1250 [ 286.723551] ? trace_hardirqs_on+0xbd/0x310 [ 286.727877] ? linkwatch_schedule_work+0x150/0x170 [ 286.732812] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.737938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.743482] ? rtnl_is_locked+0xb5/0xf0 [ 286.747463] ? rtnl_trylock+0x20/0x20 [ 286.751269] ? queue_delayed_work_on+0x130/0x1f0 [ 286.756064] unregister_netdevice_queue+0x321/0x5e0 [ 286.761098] ? rollback_registered+0x420/0x420 [ 286.765684] ? linkwatch_schedule_work+0x170/0x170 [ 286.770637] ? tun_setup+0x2d0/0x2d0 [ 286.774354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.779898] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 286.785277] ? __tun_detach+0x6ba/0x15c0 [ 286.789361] __tun_detach+0x11b8/0x15c0 [ 286.793366] ? __call_rcu.constprop.55+0x3ea/0x950 [ 286.798313] ? __call_rcu.constprop.55+0x3ea/0x950 [ 286.803250] ? tun_attach+0x1900/0x1900 [ 286.807226] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.812344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.817907] ? check_preemption_disabled+0x48/0x280 [ 286.822945] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.827542] ? zap_class+0x640/0x640 [ 286.831266] ? fsnotify+0x4e5/0xf20 [ 286.834902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.840447] ? locks_remove_file+0x3c6/0x5c0 [ 286.844876] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 286.850436] ? ima_file_free+0x132/0x650 [ 286.854523] ? __lock_is_held+0xb5/0x140 [ 286.858591] ? __tun_detach+0x15c0/0x15c0 [ 286.862745] ? __tun_detach+0x15c0/0x15c0 [ 286.866907] tun_chr_close+0xe3/0x180 [ 286.870716] __fput+0x385/0xa30 [ 286.874004] ? get_max_files+0x20/0x20 [ 286.877898] ? perf_trace_sched_process_exec+0x860/0x860 [ 286.883357] ____fput+0x15/0x20 [ 286.886643] task_work_run+0x1e8/0x2a0 [ 286.890569] ? task_work_cancel+0x240/0x240 [ 286.894926] ? switch_task_namespaces+0xb8/0xd0 [ 286.899608] do_exit+0x1ad6/0x26d0 [ 286.903161] ? mm_update_next_owner+0x990/0x990 [ 286.907828] ? print_usage_bug+0xc0/0xc0 [ 286.911917] ? find_held_lock+0x36/0x1c0 [ 286.915997] ? mark_held_locks+0x130/0x130 [ 286.920240] ? __lock_acquire+0x62f/0x4c20 [ 286.924477] ? pipe_wait+0x266/0x2c0 [ 286.928196] ? lock_release+0xa00/0xa00 [ 286.932183] ? mark_held_locks+0x130/0x130 [ 286.936434] ? __mutex_lock+0x85e/0x16f0 [ 286.940514] ? __switch_to_asm+0x40/0x70 [ 286.944576] ? pipe_wait+0x266/0x2c0 [ 286.948304] ? __switch_to_asm+0x34/0x70 [ 286.952363] ? __switch_to_asm+0x40/0x70 [ 286.956433] ? mutex_trylock+0x2b0/0x2b0 [ 286.960510] ? zap_class+0x640/0x640 [ 286.964242] ? zap_class+0x640/0x640 [ 286.967984] ? find_held_lock+0x36/0x1c0 [ 286.972056] ? memset+0x31/0x40 [ 286.975342] ? find_held_lock+0x36/0x1c0 [ 286.979411] ? get_signal+0x95b/0x1980 [ 286.983325] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.987820] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.992325] do_group_exit+0x177/0x440 [ 286.996220] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.001326] ? __ia32_sys_exit+0x50/0x50 [ 287.005401] get_signal+0x8b0/0x1980 [ 287.009132] ? ptrace_notify+0x130/0x130 [ 287.013228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.018766] ? pipe_read+0x702/0x940 [ 287.022484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.028041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.033581] ? __vfs_read+0x11f/0x9b0 [ 287.037389] do_signal+0x9c/0x21c0 [ 287.040939] ? fsnotify+0xf20/0xf20 [ 287.044594] ? setup_sigcontext+0x7d0/0x7d0 [ 287.048936] ? exit_to_usermode_loop+0x8c/0x380 [ 287.053625] ? exit_to_usermode_loop+0x8c/0x380 [ 287.058299] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.062887] ? trace_hardirqs_on+0xbd/0x310 [ 287.067231] ? do_syscall_64+0x6be/0x820 [ 287.071304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.076864] exit_to_usermode_loop+0x2e5/0x380 [ 287.081455] ? __bpf_trace_sys_exit+0x30/0x30 [ 287.085981] do_syscall_64+0x6be/0x820 [ 287.089874] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.095269] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.100201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.105049] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.110069] ? prepare_exit_to_usermode+0x291/0x3b0 [ 287.115091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.119964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.125164] RIP: 0033:0x410fa0 [ 287.128369] Code: Bad RIP value. [ 287.131751] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.139459] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 287.146728] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 287.153997] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 287.161265] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 287.168567] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 287.175870] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 287.175989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.183285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.183291] Call Trace: [ 287.183297] [ 287.183319] dump_stack+0x244/0x39d [ 287.183338] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.189866] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.199169] warn_alloc.cold.116+0xb7/0x1bd [ 287.201728] syz-executor5 cpuset=syz5 mems_allowed=0 [ 287.203871] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.237451] ? lock_downgrade+0x900/0x900 [ 287.241631] ? trace_hardirqs_off+0xb8/0x310 [ 287.246051] ? trace_hardirqs_off+0xb8/0x310 [ 287.250493] __alloc_pages_slowpath+0x26e8/0x2e10 [ 287.255368] ? warn_alloc+0x120/0x120 [ 287.259191] ? print_usage_bug+0xc0/0xc0 [ 287.263258] ? warn_alloc+0x120/0x120 [ 287.267067] ? warn_alloc+0x120/0x120 [ 287.270877] ? print_usage_bug+0xc0/0xc0 [ 287.274938] ? kvm_clock_read+0x18/0x30 [ 287.278938] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 287.283974] ? print_usage_bug+0xc0/0xc0 [ 287.288035] ? __lock_acquire+0x62f/0x4c20 [ 287.292274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.297817] ? should_fail+0x22d/0xd01 [ 287.301706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.306991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.312098] ? __lock_acquire+0x62f/0x4c20 [ 287.316340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.321459] ? __lock_acquire+0x62f/0x4c20 [ 287.325698] ? should_fail+0x22d/0xd01 [ 287.329586] ? rcu_irq_exit+0x1a2/0x390 [ 287.333573] ? mark_held_locks+0x130/0x130 [ 287.337818] ? mark_held_locks+0x130/0x130 [ 287.342077] ? mark_held_locks+0xc7/0x130 [ 287.346230] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 287.351252] ? zap_class+0x640/0x640 [ 287.354969] ? print_usage_bug+0xc0/0xc0 [ 287.359052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.364598] ? check_preemption_disabled+0x48/0x280 [ 287.369628] ? __lock_is_held+0xb5/0x140 [ 287.373708] __alloc_pages_nodemask+0xa80/0xde0 [ 287.378391] ? zap_class+0x640/0x640 [ 287.382118] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 287.387192] ? find_held_lock+0x36/0x1c0 [ 287.391266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.395936] ? lock_downgrade+0x900/0x900 [ 287.400097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.405643] cache_grow_begin+0xa5/0x8c0 [ 287.409735] ? do_raw_spin_unlock+0xa7/0x330 [ 287.414157] fallback_alloc+0x204/0x2e0 [ 287.418144] ____cache_alloc_node+0x1c7/0x1e0 [ 287.422651] kmem_cache_alloc_node+0xe3/0x730 [ 287.427150] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.431401] __alloc_skb+0x119/0x770 [ 287.435142] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.440453] ? netdev_alloc_frag+0x1f0/0x1f0 [ 287.444879] ? lock_downgrade+0x900/0x900 [ 287.449040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.454594] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.460050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.465503] ? addrconf_rs_timer+0x690/0x690 [ 287.469925] ndisc_alloc_skb+0x144/0x340 [ 287.474000] ndisc_send_rs+0x331/0x6e0 [ 287.477901] addrconf_rs_timer+0x314/0x690 [ 287.482156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.486425] call_timer_fn+0x272/0x920 [ 287.490354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.494601] ? process_timeout+0x40/0x40 [ 287.498670] ? __run_timers+0x7da/0xc70 [ 287.502650] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.507148] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.511645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.515882] ? lockdep_hardirqs_on+0x296/0x5b0 [ 287.520508] ? trace_hardirqs_on+0xbd/0x310 [ 287.524857] ? kasan_check_read+0x11/0x20 [ 287.529007] ? __run_timers+0x7da/0xc70 [ 287.532986] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.538101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.542355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.546592] __run_timers+0x7e5/0xc70 [ 287.550406] ? timer_fixup_init+0x70/0x70 [ 287.554594] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.559631] ? zap_class+0x640/0x640 [ 287.563369] ? enqueue_hrtimer+0x1a5/0x560 [ 287.567607] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.572809] ? find_held_lock+0x36/0x1c0 [ 287.576890] ? zap_class+0x640/0x640 [ 287.580611] ? pvclock_read_flags+0x160/0x160 [ 287.585112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.590657] ? check_preemption_disabled+0x48/0x280 [ 287.595689] ? __lock_is_held+0xb5/0x140 [ 287.599756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.605298] ? check_preemption_disabled+0x48/0x280 [ 287.610320] run_timer_softirq+0x52/0xb0 [ 287.614386] ? rcu_read_lock_sched_held+0x14f/0x180 [ 287.619435] __do_softirq+0x308/0xb7e [ 287.623249] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 287.627817] ? lock_downgrade+0x900/0x900 [ 287.631982] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 287.637094] ? pvclock_read_flags+0x160/0x160 [ 287.641598] ? lapic_next_event+0x5a/0x90 [ 287.645752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.651302] ? kvm_clock_read+0x18/0x30 [ 287.655279] ? kvm_sched_clock_read+0x9/0x20 [ 287.659692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.665243] ? check_preemption_disabled+0x48/0x280 [ 287.670289] irq_exit+0x17f/0x1c0 [ 287.673748] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.678592] ? smp_reschedule_interrupt+0x109/0x650 [ 287.683615] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.689502] ? interrupt_entry+0xb5/0xc0 [ 287.693567] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.698587] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.703612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.708497] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.713520] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.718539] ? task_prio+0x50/0x50 [ 287.722082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.727629] ? check_preemption_disabled+0x48/0x280 [ 287.732653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.737507] apic_timer_interrupt+0xf/0x20 [ 287.741754] [ 287.743995] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 287.749883] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 287.768793] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.776508] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.783827] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 287.791096] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 287.798367] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 287.805685] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 287.813006] ? save_stack+0xa9/0xd0 [ 287.816651] __kmalloc_node_track_caller+0x3c/0x70 [ 287.821588] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 287.826351] pskb_expand_head+0x230/0x10f0 [ 287.830595] ? memcpy+0x45/0x50 [ 287.833880] ? __copy_skb_header+0x350/0x6b0 [ 287.838321] ? skb_release_data+0x880/0x880 [ 287.842648] ? __alloc_skb+0x770/0x770 [ 287.846552] ? __lock_is_held+0xb5/0x140 [ 287.850625] ? kasan_check_write+0x14/0x20 [ 287.854863] ? __skb_clone+0x6c7/0xa00 [ 287.858769] ? __copy_skb_header+0x6b0/0x6b0 [ 287.863178] ? kmem_cache_alloc+0x33a/0x730 [ 287.867515] skb_ensure_writable+0x3dd/0x640 [ 287.871932] ? skb_checksum_setup+0xaa0/0xaa0 [ 287.876438] ? check_preemption_disabled+0x48/0x280 [ 287.881478] ? __this_cpu_preempt_check+0x1c/0x20 [ 287.886324] ? __bpf_redirect+0x54b/0xb20 [ 287.890492] bpf_clone_redirect+0x14a/0x490 [ 287.894828] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 287.899852] ? __sched_text_start+0x8/0x8 [ 287.904004] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.908621] ? retint_kernel+0x2d/0x2d [ 287.912513] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.917460] ? find_held_lock+0x36/0x1c0 [ 287.921537] ? lock_acquire+0x1ed/0x520 [ 287.925518] ? bpf_test_run+0x3cb/0x780 [ 287.929500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.935044] ? check_preemption_disabled+0x48/0x280 [ 287.940070] ? kasan_check_read+0x11/0x20 [ 287.944221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.949500] ? rcu_softirq_qs+0x20/0x20 [ 287.953482] ? preempt_schedule+0x4d/0x60 [ 287.957631] ? ___preempt_schedule+0x16/0x18 [ 287.962055] ? bpf_test_run+0x25d/0x780 [ 287.966045] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.970468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.976010] ? bpf_test_init.isra.10+0x70/0x100 [ 287.980691] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 287.985472] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.990325] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.995874] ? fput+0x130/0x1a0 [ 287.999160] ? __bpf_prog_get+0x9b/0x290 [ 288.003233] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 288.008078] ? bpf_prog_test_run+0x130/0x1a0 [ 288.012501] ? __x64_sys_bpf+0x3d8/0x520 [ 288.016564] ? bpf_prog_get+0x20/0x20 [ 288.020389] ? do_syscall_64+0x1b9/0x820 [ 288.024466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.029837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.034769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.039618] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.044641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.049664] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.054692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.059562] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.064941] warn_alloc_show_mem: 1 callbacks suppressed [ 288.064958] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 288.064960] Mem-Info: [ 288.064992] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 288.064992] active_file:12 inactive_file:13 isolated_file:0 [ 288.064992] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.064992] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 288.064992] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 288.064992] free:13733 free_pcp:586 free_cma:0 [ 288.070330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.077611] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.080011] Call Trace: [ 288.112885] 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 [ 288.122237] [ 288.149632] lowmem_reserve[]: 0 2818 6321 6321 [ 288.152255] dump_stack+0x244/0x39d [ 288.178337] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 288.180494] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.185040] lowmem_reserve[]: 0 0 3503 3503 [ 288.188675] warn_alloc.cold.116+0xb7/0x1bd [ 288.216231] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 288.221431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.225726] lowmem_reserve[]: 0 0 0 0 [ 288.230065] ? lock_downgrade+0x900/0x900 [ 288.259037] 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 [ 288.263892] ? trace_hardirqs_off+0xb8/0x310 [ 288.267654] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 288.271811] ? trace_hardirqs_off+0xb8/0x310 [ 288.285323] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 288.289737] __alloc_pages_slowpath+0x26e8/0x2e10 [ 288.305060] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.309486] ? warn_alloc+0x120/0x120 [ 288.323332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.328170] ? print_usage_bug+0xc0/0xc0 [ 288.336980] 269 total pagecache pages [ 288.340808] ? warn_alloc+0x120/0x120 [ 288.349363] 0 pages in swap cache [ 288.353415] ? warn_alloc+0x120/0x120 [ 288.357199] Swap cache stats: add 0, delete 0, find 0/0 [ 288.361013] ? print_usage_bug+0xc0/0xc0 [ 288.364448] Free swap = 0kB [ 288.368247] ? print_usage_bug+0xc0/0xc0 [ 288.373589] Total swap = 0kB [ 288.377647] ? __lock_acquire+0x62f/0x4c20 [ 288.380642] 1965979 pages RAM [ 288.384703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.387693] 0 pages HighMem/MovableOnly [ 288.391925] ? should_fail+0x22d/0xd01 [ 288.395009] 342853 pages reserved [ 288.400541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.404489] 0 pages cma reserved [ 288.408374] ? __lock_acquire+0x62f/0x4c20 [ 288.411868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.416900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.416914] ? __lock_acquire+0x62f/0x4c20 [ 288.416927] ? should_fail+0x22d/0xd01 [ 288.416951] ? find_held_lock+0x36/0x1c0 [ 288.420351] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.424531] ? mark_held_locks+0x130/0x130 [ 288.430997] syz-executor0 cpuset=syz0 mems_allowed=0 [ 288.436094] ? mark_held_locks+0x130/0x130 [ 288.472292] ? zap_class+0x640/0x640 [ 288.476026] ? zap_class+0x640/0x640 [ 288.479747] ? print_usage_bug+0xc0/0xc0 [ 288.483809] ? do_raw_spin_unlock+0xa7/0x330 [ 288.488221] ? zap_class+0x640/0x640 [ 288.491939] ? print_usage_bug+0xc0/0xc0 [ 288.496004] ? wq_watchdog_touch+0x9c/0xfe [ 288.500262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.505803] ? check_preemption_disabled+0x48/0x280 [ 288.510833] ? __lock_is_held+0xb5/0x140 [ 288.514903] __alloc_pages_nodemask+0xa80/0xde0 [ 288.519574] ? zap_class+0x640/0x640 [ 288.523294] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 288.528326] ? find_held_lock+0x36/0x1c0 [ 288.532450] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.537138] ? lock_downgrade+0x900/0x900 [ 288.541296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.546841] cache_grow_begin+0xa5/0x8c0 [ 288.550903] ? do_raw_spin_unlock+0xa7/0x330 [ 288.555322] fallback_alloc+0x204/0x2e0 [ 288.559307] ____cache_alloc_node+0x1c7/0x1e0 [ 288.563808] kmem_cache_alloc_node+0xe3/0x730 [ 288.568307] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.572557] __alloc_skb+0x119/0x770 [ 288.576275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.581575] ? netdev_alloc_frag+0x1f0/0x1f0 [ 288.586173] ? lock_downgrade+0x900/0x900 [ 288.590330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.595875] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.601337] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.606791] ? addrconf_rs_timer+0x690/0x690 [ 288.611215] ndisc_alloc_skb+0x144/0x340 [ 288.615283] ndisc_send_rs+0x331/0x6e0 [ 288.619181] addrconf_rs_timer+0x314/0x690 [ 288.623432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.627682] call_timer_fn+0x272/0x920 [ 288.631576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.635812] ? process_timeout+0x40/0x40 [ 288.639885] ? mark_held_locks+0xc7/0x130 [ 288.644034] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.648528] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.653039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.657277] ? lockdep_hardirqs_on+0x296/0x5b0 [ 288.661867] ? trace_hardirqs_on+0xbd/0x310 [ 288.666190] ? kasan_check_read+0x11/0x20 [ 288.670339] ? __run_timers+0x7da/0xc70 [ 288.674319] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.679463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.683709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.687949] __run_timers+0x7e5/0xc70 [ 288.691762] ? timer_fixup_init+0x70/0x70 [ 288.695913] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.700936] ? zap_class+0x640/0x640 [ 288.704661] ? print_usage_bug+0xc0/0xc0 [ 288.708727] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 288.714460] ? find_held_lock+0x36/0x1c0 [ 288.718548] ? zap_class+0x640/0x640 [ 288.722271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.727814] ? check_preemption_disabled+0x48/0x280 [ 288.732843] ? __lock_is_held+0xb5/0x140 [ 288.736906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.742453] ? check_preemption_disabled+0x48/0x280 [ 288.747495] run_timer_softirq+0x52/0xb0 [ 288.751563] ? rcu_read_lock_sched_held+0x14f/0x180 [ 288.756585] __do_softirq+0x308/0xb7e [ 288.760392] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 288.764897] ? lock_downgrade+0x900/0x900 [ 288.769070] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 288.774185] ? pvclock_read_flags+0x160/0x160 [ 288.778684] ? lapic_next_event+0x5a/0x90 [ 288.782838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.788382] ? kvm_clock_read+0x18/0x30 [ 288.792363] ? kvm_sched_clock_read+0x9/0x20 [ 288.796783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.802326] ? check_preemption_disabled+0x48/0x280 [ 288.807355] irq_exit+0x17f/0x1c0 [ 288.810812] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.815659] ? smp_reschedule_interrupt+0x109/0x650 [ 288.820678] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.826562] ? interrupt_entry+0xb5/0xc0 [ 288.830627] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.835646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.840669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.845518] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.850536] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.855557] ? task_prio+0x50/0x50 [ 288.859116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.864657] ? check_preemption_disabled+0x48/0x280 [ 288.869683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.874559] apic_timer_interrupt+0xf/0x20 [ 288.878793] [ 288.881033] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 288.886225] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 288.905169] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 288.912879] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 288.920149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 288.927468] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 288.934737] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 288.942008] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 288.949316] retint_kernel+0x1b/0x2d [ 288.953033] RIP: 0010:dump_stack+0x358/0x39d [ 288.957452] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 288.976355] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 288.984063] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 288.991334] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 288.998606] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 289.005875] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 289.013153] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 289.020457] ? dump_stack+0x34f/0x39d [ 289.024278] ? dump_stack_print_info.cold.1+0x20/0x20 [ 289.029482] dump_header+0x27b/0xf72 [ 289.033210] ? mark_held_locks+0x130/0x130 [ 289.037454] ? pagefault_out_of_memory+0x197/0x197 [ 289.042393] ? __lock_acquire+0x62f/0x4c20 [ 289.046635] ? zap_class+0x640/0x640 [ 289.050353] ? percpu_ref_get_many+0x240/0x240 [ 289.054952] ? print_usage_bug+0xc0/0xc0 [ 289.059021] ? print_usage_bug+0xc0/0xc0 [ 289.063094] ? zap_class+0x640/0x640 [ 289.066811] ? print_usage_bug+0xc0/0xc0 [ 289.070873] ? print_usage_bug+0xc0/0xc0 [ 289.074950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.080497] ? find_held_lock+0x36/0x1c0 [ 289.084571] ? mark_held_locks+0xc7/0x130 [ 289.088723] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 289.093827] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 289.098934] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.103542] ? trace_hardirqs_on+0xbd/0x310 [ 289.107865] ? kasan_check_read+0x11/0x20 [ 289.112014] ? ___ratelimit+0x3b4/0x672 [ 289.115990] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.121100] ? trace_hardirqs_on+0x310/0x310 [ 289.125517] ? lock_downgrade+0x900/0x900 [ 289.129677] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.134787] ? ___ratelimit+0x3b9/0x672 [ 289.138765] ? idr_get_free+0xf70/0xf70 [ 289.142741] ? find_held_lock+0x36/0x1c0 [ 289.146814] oom_kill_process.cold.27+0x10/0x903 [ 289.151575] ? zap_class+0x640/0x640 [ 289.155295] ? check_preemption_disabled+0x48/0x280 [ 289.160315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.165244] ? kasan_check_read+0x11/0x20 [ 289.169394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.174683] ? oom_evaluate_task+0x540/0x540 [ 289.179097] ? find_held_lock+0x36/0x1c0 [ 289.183168] ? out_of_memory+0x974/0x1430 [ 289.187340] ? lock_downgrade+0x900/0x900 [ 289.191493] ? check_preemption_disabled+0x48/0x280 [ 289.196518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.201453] ? kasan_check_read+0x11/0x20 [ 289.205702] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.210981] ? rcu_softirq_qs+0x20/0x20 [ 289.214966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.220523] ? oom_evaluate_task+0x302/0x540 [ 289.224940] out_of_memory+0xa84/0x1430 [ 289.228932] ? oom_killer_disable+0x3a0/0x3a0 [ 289.233446] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 289.238382] ? __ww_mutex_check_waiters+0x160/0x160 [ 289.243413] __alloc_pages_slowpath+0x2354/0x2e10 [ 289.248320] ? warn_alloc+0x120/0x120 [ 289.252124] ? warn_alloc+0x120/0x120 [ 289.255930] ? warn_alloc+0x120/0x120 [ 289.259736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 289.264843] ? print_usage_bug+0xc0/0xc0 [ 289.268923] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.273544] ? print_usage_bug+0xc0/0xc0 [ 289.277612] ? print_usage_bug+0xc0/0xc0 [ 289.281678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.287219] ? should_fail+0x22d/0xd01 [ 289.291113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.296223] ? zap_class+0x640/0x640 [ 289.299973] ? __lock_is_held+0xb5/0x140 [ 289.304045] ? zap_class+0x640/0x640 [ 289.307765] ? lock_release+0xa00/0xa00 [ 289.311742] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.317196] ? check_preemption_disabled+0x48/0x280 [ 289.322223] ? __might_sleep+0x95/0x190 [ 289.326209] __alloc_pages_nodemask+0xa80/0xde0 [ 289.330882] ? zap_class+0x640/0x640 [ 289.334625] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 289.339661] ? mark_held_locks+0xc7/0x130 [ 289.343817] ? cache_grow_begin+0x65/0x8c0 [ 289.348060] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.352654] ? trace_hardirqs_on+0xbd/0x310 [ 289.356988] ? fallback_alloc+0x204/0x2e0 [ 289.361148] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.366264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.371819] cache_grow_begin+0xa5/0x8c0 [ 289.375888] ? do_raw_spin_unlock+0xa7/0x330 [ 289.380312] fallback_alloc+0x204/0x2e0 [ 289.384302] ____cache_alloc_node+0x1c7/0x1e0 [ 289.388814] kmem_cache_alloc_node+0xe3/0x730 [ 289.393332] __alloc_skb+0x119/0x770 [ 289.397061] ? netdev_alloc_frag+0x1f0/0x1f0 [ 289.401481] ? if_nlmsg_size+0x5d1/0xbb0 [ 289.405557] ? rtnetlink_put_metrics+0x690/0x690 [ 289.410331] ? sk_psock_stop_strp+0x120/0x120 [ 289.414831] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.419856] ? netif_tx_stop_all_queues+0xd9/0x110 [ 289.424800] rtmsg_ifinfo_build_skb+0x74/0x190 [ 289.429400] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 289.434262] rtmsg_ifinfo+0x8c/0xa0 [ 289.437906] dev_close_many+0x3be/0x860 [ 289.441895] ? dev_fill_metadata_dst+0x840/0x840 [ 289.446662] ? find_held_lock+0x36/0x1c0 [ 289.450756] ? __queue_work+0x671/0x1440 [ 289.454864] ? lock_downgrade+0x900/0x900 [ 289.459028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.464576] ? rtnl_is_locked+0xb5/0xf0 [ 289.468558] ? rtnl_trylock+0x20/0x20 [ 289.472365] ? do_raw_spin_unlock+0xa7/0x330 [ 289.476784] ? do_raw_spin_trylock+0x270/0x270 [ 289.481384] rollback_registered_many+0x543/0x1250 [ 289.486339] ? generic_xdp_install+0x5a0/0x5a0 [ 289.490937] ? flush_rcu_work+0x90/0x90 [ 289.494928] ? zap_class+0x640/0x640 [ 289.498659] ? print_usage_bug+0xc0/0xc0 [ 289.502740] ? print_usage_bug+0xc0/0xc0 [ 289.506818] ? zap_class+0x640/0x640 [ 289.510544] ? print_usage_bug+0xc0/0xc0 [ 289.514617] ? find_held_lock+0x36/0x1c0 [ 289.518703] ? mark_held_locks+0xc7/0x130 [ 289.522868] rollback_registered+0x1e9/0x420 [ 289.527286] ? lockdep_hardirqs_on+0x321/0x5b0 [ 289.531887] ? rollback_registered_many+0x1250/0x1250 [ 289.537092] ? trace_hardirqs_on+0xbd/0x310 [ 289.541443] ? linkwatch_schedule_work+0x150/0x170 [ 289.546393] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.551527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.557077] ? rtnl_is_locked+0xb5/0xf0 [ 289.561062] ? rtnl_trylock+0x20/0x20 [ 289.564877] ? queue_delayed_work_on+0x130/0x1f0 [ 289.569650] unregister_netdevice_queue+0x321/0x5e0 [ 289.574684] ? rollback_registered+0x420/0x420 [ 289.579275] ? linkwatch_schedule_work+0x170/0x170 [ 289.584228] ? tun_setup+0x2d0/0x2d0 [ 289.587956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.593524] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 289.598899] ? __tun_detach+0x6ba/0x15c0 [ 289.602984] __tun_detach+0x11b8/0x15c0 [ 289.606970] ? __call_rcu.constprop.55+0x3ea/0x950 [ 289.611915] ? __call_rcu.constprop.55+0x3ea/0x950 [ 289.616867] ? tun_attach+0x1900/0x1900 [ 289.620856] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.625982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.631538] ? check_preemption_disabled+0x48/0x280 [ 289.636574] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.641178] ? zap_class+0x640/0x640 [ 289.644903] ? fsnotify+0x4e5/0xf20 [ 289.648543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.654090] ? locks_remove_file+0x3c6/0x5c0 [ 289.658514] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 289.664073] ? ima_file_free+0x132/0x650 [ 289.668153] ? __lock_is_held+0xb5/0x140 [ 289.672239] ? __tun_detach+0x15c0/0x15c0 [ 289.676405] ? __tun_detach+0x15c0/0x15c0 [ 289.680576] tun_chr_close+0xe3/0x180 [ 289.684406] __fput+0x385/0xa30 [ 289.687717] ? get_max_files+0x20/0x20 [ 289.691628] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.697110] ____fput+0x15/0x20 [ 289.700411] task_work_run+0x1e8/0x2a0 [ 289.704329] ? task_work_cancel+0x240/0x240 [ 289.708668] ? switch_task_namespaces+0xb8/0xd0 [ 289.713359] do_exit+0x1ad6/0x26d0 [ 289.716923] ? mm_update_next_owner+0x990/0x990 [ 289.721612] ? print_usage_bug+0xc0/0xc0 [ 289.725700] ? find_held_lock+0x36/0x1c0 [ 289.729791] ? mark_held_locks+0x130/0x130 [ 289.734051] ? __lock_acquire+0x62f/0x4c20 [ 289.738306] ? pipe_wait+0x266/0x2c0 [ 289.742042] ? lock_release+0xa00/0xa00 [ 289.746056] ? mark_held_locks+0x130/0x130 [ 289.750313] ? __mutex_lock+0x85e/0x16f0 [ 289.754387] ? __switch_to_asm+0x40/0x70 [ 289.758469] ? pipe_wait+0x266/0x2c0 [ 289.762199] ? __switch_to_asm+0x34/0x70 [ 289.766266] ? __switch_to_asm+0x40/0x70 [ 289.770344] ? mutex_trylock+0x2b0/0x2b0 [ 289.774430] ? zap_class+0x640/0x640 [ 289.778178] ? zap_class+0x640/0x640 [ 289.781902] ? find_held_lock+0x36/0x1c0 [ 289.785990] ? memset+0x31/0x40 [ 289.789287] ? find_held_lock+0x36/0x1c0 [ 289.793368] ? get_signal+0x95b/0x1980 [ 289.797267] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.801777] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.806291] do_group_exit+0x177/0x440 [ 289.810193] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.815310] ? __ia32_sys_exit+0x50/0x50 [ 289.819402] get_signal+0x8b0/0x1980 [ 289.823166] ? ptrace_notify+0x130/0x130 [ 289.827251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.832801] ? pipe_read+0x702/0x940 [ 289.836528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.842094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.847646] ? __vfs_read+0x11f/0x9b0 [ 289.851469] do_signal+0x9c/0x21c0 [ 289.855020] ? fsnotify+0xf20/0xf20 [ 289.858667] ? setup_sigcontext+0x7d0/0x7d0 [ 289.863010] ? exit_to_usermode_loop+0x8c/0x380 [ 289.867695] ? exit_to_usermode_loop+0x8c/0x380 [ 289.872379] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.876979] ? trace_hardirqs_on+0xbd/0x310 [ 289.881316] ? do_syscall_64+0x6be/0x820 [ 289.885398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.890975] exit_to_usermode_loop+0x2e5/0x380 [ 289.895589] ? __bpf_trace_sys_exit+0x30/0x30 [ 289.900111] do_syscall_64+0x6be/0x820 [ 289.904010] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.909393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.914349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.919256] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.924294] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.929338] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.934245] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.939459] RIP: 0033:0x410fa0 [ 289.942674] Code: Bad RIP value. [ 289.946047] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 289.953760] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 289.961039] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 289.968315] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 289.975590] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 289.982865] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 289.990172] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 289.990248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.997553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.997559] Call Trace: [ 289.997565] [ 289.997586] dump_stack+0x244/0x39d [ 289.997604] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.004175] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.013480] warn_alloc.cold.116+0xb7/0x1bd [ 290.016083] syz-executor5 cpuset=syz5 mems_allowed=0 [ 290.018239] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.051772] ? lock_downgrade+0x900/0x900 [ 290.055954] ? trace_hardirqs_off+0xb8/0x310 [ 290.060382] ? trace_hardirqs_off+0xb8/0x310 [ 290.064810] __alloc_pages_slowpath+0x26e8/0x2e10 [ 290.069697] ? warn_alloc+0x120/0x120 [ 290.073512] ? print_usage_bug+0xc0/0xc0 [ 290.077586] ? warn_alloc+0x120/0x120 [ 290.081403] ? warn_alloc+0x120/0x120 [ 290.085284] ? print_usage_bug+0xc0/0xc0 [ 290.089364] ? print_usage_bug+0xc0/0xc0 [ 290.093481] ? __lock_acquire+0x62f/0x4c20 [ 290.097738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.103286] ? should_fail+0x22d/0xd01 [ 290.107188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.112346] ? __lock_acquire+0x62f/0x4c20 [ 290.116598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.121713] ? __lock_acquire+0x62f/0x4c20 [ 290.125958] ? should_fail+0x22d/0xd01 [ 290.129855] ? find_held_lock+0x36/0x1c0 [ 290.133937] ? mark_held_locks+0x130/0x130 [ 290.138232] ? mark_held_locks+0x130/0x130 [ 290.142480] ? zap_class+0x640/0x640 [ 290.146204] ? zap_class+0x640/0x640 [ 290.149935] ? print_usage_bug+0xc0/0xc0 [ 290.154006] ? do_raw_spin_unlock+0xa7/0x330 [ 290.158448] ? zap_class+0x640/0x640 [ 290.162179] ? print_usage_bug+0xc0/0xc0 [ 290.166252] ? wq_watchdog_touch+0x9c/0xfe [ 290.170505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.176056] ? check_preemption_disabled+0x48/0x280 [ 290.181092] ? __lock_is_held+0xb5/0x140 [ 290.185170] __alloc_pages_nodemask+0xa80/0xde0 [ 290.189851] ? zap_class+0x640/0x640 [ 290.193597] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 290.198638] ? find_held_lock+0x36/0x1c0 [ 290.202721] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.207400] ? lock_downgrade+0x900/0x900 [ 290.211588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.217142] cache_grow_begin+0xa5/0x8c0 [ 290.221211] ? do_raw_spin_unlock+0xa7/0x330 [ 290.225638] fallback_alloc+0x204/0x2e0 [ 290.229629] ____cache_alloc_node+0x1c7/0x1e0 [ 290.234141] kmem_cache_alloc_node+0xe3/0x730 [ 290.238651] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.242905] __alloc_skb+0x119/0x770 [ 290.246628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.251920] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.256337] ? lock_downgrade+0x900/0x900 [ 290.260503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.266051] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.271522] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.276982] ? addrconf_rs_timer+0x690/0x690 [ 290.281414] ndisc_alloc_skb+0x144/0x340 [ 290.285519] ndisc_send_rs+0x331/0x6e0 [ 290.289438] addrconf_rs_timer+0x314/0x690 [ 290.293695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.297954] call_timer_fn+0x272/0x920 [ 290.301851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.306094] ? process_timeout+0x40/0x40 [ 290.310171] ? __run_timers+0x7da/0xc70 [ 290.314159] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.318666] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.323168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.327417] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.332038] ? trace_hardirqs_on+0xbd/0x310 [ 290.336368] ? kasan_check_read+0x11/0x20 [ 290.340524] ? __run_timers+0x7da/0xc70 [ 290.344509] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.349626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.353875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.358117] __run_timers+0x7e5/0xc70 [ 290.361941] ? timer_fixup_init+0x70/0x70 [ 290.366105] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.371132] ? zap_class+0x640/0x640 [ 290.374862] ? enqueue_hrtimer+0x1a5/0x560 [ 290.379177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.384384] ? find_held_lock+0x36/0x1c0 [ 290.388500] ? zap_class+0x640/0x640 [ 290.392273] ? pvclock_read_flags+0x160/0x160 [ 290.396780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.402332] ? check_preemption_disabled+0x48/0x280 [ 290.407369] ? __lock_is_held+0xb5/0x140 [ 290.411463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.417055] ? check_preemption_disabled+0x48/0x280 [ 290.422130] run_timer_softirq+0x52/0xb0 [ 290.426204] ? rcu_read_lock_sched_held+0x14f/0x180 [ 290.431233] __do_softirq+0x308/0xb7e [ 290.435090] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 290.439600] ? lock_downgrade+0x900/0x900 [ 290.443766] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 290.448895] ? pvclock_read_flags+0x160/0x160 [ 290.453403] ? lapic_next_event+0x5a/0x90 [ 290.457587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.463140] ? kvm_clock_read+0x18/0x30 [ 290.467125] ? kvm_sched_clock_read+0x9/0x20 [ 290.471551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.477101] ? check_preemption_disabled+0x48/0x280 [ 290.482143] irq_exit+0x17f/0x1c0 [ 290.485608] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.490479] ? smp_reschedule_interrupt+0x109/0x650 [ 290.495510] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.501466] ? interrupt_entry+0xb5/0xc0 [ 290.505543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.510571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.515601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.520473] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.525502] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.530532] ? task_prio+0x50/0x50 [ 290.534084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.539634] ? check_preemption_disabled+0x48/0x280 [ 290.544670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.549533] apic_timer_interrupt+0xf/0x20 [ 290.553772] [ 290.556024] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 290.561920] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 290.580828] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.589027] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 290.596347] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 290.603669] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 290.610947] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 290.618223] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 290.625577] ? save_stack+0xa9/0xd0 [ 290.629227] __kmalloc_node_track_caller+0x3c/0x70 [ 290.634173] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 290.638946] pskb_expand_head+0x230/0x10f0 [ 290.643240] ? memcpy+0x45/0x50 [ 290.646539] ? __copy_skb_header+0x350/0x6b0 [ 290.650959] ? skb_release_data+0x880/0x880 [ 290.655291] ? __alloc_skb+0x770/0x770 [ 290.659201] ? __lock_is_held+0xb5/0x140 [ 290.663280] ? kasan_check_write+0x14/0x20 [ 290.667525] ? __skb_clone+0x6c7/0xa00 [ 290.671450] ? __copy_skb_header+0x6b0/0x6b0 [ 290.675872] ? kmem_cache_alloc+0x33a/0x730 [ 290.680255] skb_ensure_writable+0x3dd/0x640 [ 290.684680] ? skb_checksum_setup+0xaa0/0xaa0 [ 290.689188] ? check_preemption_disabled+0x48/0x280 [ 290.694222] ? __this_cpu_preempt_check+0x1c/0x20 [ 290.699072] ? __bpf_redirect+0x54b/0xb20 [ 290.703239] bpf_clone_redirect+0x14a/0x490 [ 290.707585] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 290.712660] ? __sched_text_start+0x8/0x8 [ 290.716984] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 290.721576] ? retint_kernel+0x2d/0x2d [ 290.725485] ? trace_hardirqs_on_caller+0xc0/0x310 [ 290.730450] ? find_held_lock+0x36/0x1c0 [ 290.734579] ? lock_acquire+0x1ed/0x520 [ 290.738608] ? bpf_test_run+0x3cb/0x780 [ 290.742609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.748163] ? check_preemption_disabled+0x48/0x280 [ 290.753198] ? kasan_check_read+0x11/0x20 [ 290.757356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.762644] ? rcu_softirq_qs+0x20/0x20 [ 290.766636] ? preempt_schedule+0x4d/0x60 [ 290.770799] ? ___preempt_schedule+0x16/0x18 [ 290.775229] ? bpf_test_run+0x25d/0x780 [ 290.779225] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.783691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.789243] ? bpf_test_init.isra.10+0x70/0x100 [ 290.793930] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 290.798710] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 290.803565] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.809113] ? fput+0x130/0x1a0 [ 290.812403] ? __bpf_prog_get+0x9b/0x290 [ 290.816502] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 290.821352] ? bpf_prog_test_run+0x130/0x1a0 [ 290.825780] ? __x64_sys_bpf+0x3d8/0x520 [ 290.829851] ? bpf_prog_get+0x20/0x20 [ 290.833685] ? do_syscall_64+0x1b9/0x820 [ 290.837757] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.843135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.848119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.852974] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.858001] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.863028] ? prepare_exit_to_usermode+0x291/0x3b0 [ 290.868061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.872920] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.878306] warn_alloc_show_mem: 1 callbacks suppressed [ 290.878319] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 290.878320] Mem-Info: [ 290.878352] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 290.878352] active_file:12 inactive_file:13 isolated_file:0 [ 290.878352] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.878352] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 290.878352] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 290.878352] free:13733 free_pcp:586 free_cma:0 [ 290.883702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.890991] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.893399] Call Trace: [ 290.926331] 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 [ 290.935685] [ 290.963131] lowmem_reserve[]: 0 2818 6321 6321 [ 290.965725] dump_stack+0x244/0x39d [ 290.991906] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 290.994083] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.998639] lowmem_reserve[]: 0 0 3503 3503 [ 291.002291] warn_alloc.cold.116+0xb7/0x1bd [ 291.029851] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 291.035045] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.039356] lowmem_reserve[]: 0 0 0 0 [ 291.043686] ? lock_downgrade+0x900/0x900 [ 291.072643] 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 [ 291.077497] ? trace_hardirqs_off+0xb8/0x310 [ 291.081320] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 291.085478] ? trace_hardirqs_off+0xb8/0x310 [ 291.099022] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 291.103462] __alloc_pages_slowpath+0x26e8/0x2e10 [ 291.118802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.123233] ? warn_alloc+0x120/0x120 [ 291.137069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.137078] 269 total pagecache pages [ 291.141968] ? print_usage_bug+0xc0/0xc0 [ 291.150790] 0 pages in swap cache [ 291.154591] ? warn_alloc+0x120/0x120 [ 291.163155] Swap cache stats: add 0, delete 0, find 0/0 [ 291.166962] ? warn_alloc+0x120/0x120 [ 291.171045] Free swap = 0kB [ 291.174504] ? print_usage_bug+0xc0/0xc0 [ 291.178290] Total swap = 0kB [ 291.183654] ? kvm_clock_read+0x18/0x30 [ 291.187462] 1965979 pages RAM [ 291.190494] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 291.194575] 0 pages HighMem/MovableOnly [ 291.194584] 342853 pages reserved [ 291.197607] ? print_usage_bug+0xc0/0xc0 [ 291.201567] 0 pages cma reserved [ 291.204674] ? __lock_acquire+0x62f/0x4c20 [ 291.209744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.213656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.213672] ? should_fail+0x22d/0xd01 [ 291.213689] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.217183] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.221236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.224595] syz-executor0 cpuset=syz0 mems_allowed=0 [ 291.228833] ? __lock_acquire+0x62f/0x4c20 [ 291.274915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.280033] ? __lock_acquire+0x62f/0x4c20 [ 291.284276] ? should_fail+0x22d/0xd01 [ 291.288173] ? rcu_irq_exit+0x1a2/0x390 [ 291.292174] ? mark_held_locks+0x130/0x130 [ 291.296512] ? mark_held_locks+0x130/0x130 [ 291.300762] ? mark_held_locks+0xc7/0x130 [ 291.304923] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 291.309960] ? zap_class+0x640/0x640 [ 291.313686] ? print_usage_bug+0xc0/0xc0 [ 291.317768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.323319] ? check_preemption_disabled+0x48/0x280 [ 291.328356] ? __lock_is_held+0xb5/0x140 [ 291.332454] __alloc_pages_nodemask+0xa80/0xde0 [ 291.337179] ? zap_class+0x640/0x640 [ 291.340913] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 291.346002] ? find_held_lock+0x36/0x1c0 [ 291.350084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.354765] ? lock_downgrade+0x900/0x900 [ 291.358934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.364497] cache_grow_begin+0xa5/0x8c0 [ 291.368574] ? do_raw_spin_unlock+0xa7/0x330 [ 291.373039] fallback_alloc+0x204/0x2e0 [ 291.377035] ____cache_alloc_node+0x1c7/0x1e0 [ 291.381548] kmem_cache_alloc_node+0xe3/0x730 [ 291.386096] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.390355] __alloc_skb+0x119/0x770 [ 291.394077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.399370] ? netdev_alloc_frag+0x1f0/0x1f0 [ 291.403791] ? lock_downgrade+0x900/0x900 [ 291.407962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.413512] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.418981] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.424455] ? addrconf_rs_timer+0x690/0x690 [ 291.428887] ndisc_alloc_skb+0x144/0x340 [ 291.432970] ndisc_send_rs+0x331/0x6e0 [ 291.436875] addrconf_rs_timer+0x314/0x690 [ 291.441127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.445384] call_timer_fn+0x272/0x920 [ 291.449301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.453550] ? process_timeout+0x40/0x40 [ 291.457633] ? mark_held_locks+0xc7/0x130 [ 291.461792] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.466297] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.470802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.475092] ? lockdep_hardirqs_on+0x296/0x5b0 [ 291.479732] ? trace_hardirqs_on+0xbd/0x310 [ 291.484063] ? kasan_check_read+0x11/0x20 [ 291.488221] ? __run_timers+0x7da/0xc70 [ 291.492208] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.497369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.501623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.505866] __run_timers+0x7e5/0xc70 [ 291.509690] ? timer_fixup_init+0x70/0x70 [ 291.513852] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.518878] ? zap_class+0x640/0x640 [ 291.522653] ? print_usage_bug+0xc0/0xc0 [ 291.526730] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.531938] ? find_held_lock+0x36/0x1c0 [ 291.536020] ? zap_class+0x640/0x640 [ 291.539751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.545300] ? check_preemption_disabled+0x48/0x280 [ 291.550335] ? __lock_is_held+0xb5/0x140 [ 291.554409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.559978] ? check_preemption_disabled+0x48/0x280 [ 291.565054] run_timer_softirq+0x52/0xb0 [ 291.569125] ? rcu_read_lock_sched_held+0x14f/0x180 [ 291.574195] __do_softirq+0x308/0xb7e [ 291.578014] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 291.582522] ? lock_downgrade+0x900/0x900 [ 291.586684] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 291.591808] ? pvclock_read_flags+0x160/0x160 [ 291.596316] ? lapic_next_event+0x5a/0x90 [ 291.600482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.606038] ? kvm_clock_read+0x18/0x30 [ 291.610026] ? kvm_sched_clock_read+0x9/0x20 [ 291.614463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.620015] ? check_preemption_disabled+0x48/0x280 [ 291.625055] irq_exit+0x17f/0x1c0 [ 291.628565] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.633442] ? smp_reschedule_interrupt+0x109/0x650 [ 291.638484] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.644437] ? interrupt_entry+0xb5/0xc0 [ 291.648514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.653541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.658612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.663481] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.668505] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.673532] ? task_prio+0x50/0x50 [ 291.677083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.682636] ? check_preemption_disabled+0x48/0x280 [ 291.687671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.692621] apic_timer_interrupt+0xf/0x20 [ 291.696859] [ 291.699109] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 291.704308] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 291.723217] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.730981] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 291.738297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 291.745576] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 291.752851] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 291.760129] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 291.767460] retint_kernel+0x1b/0x2d [ 291.771187] RIP: 0010:dump_stack+0x358/0x39d [ 291.775606] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 291.794560] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 291.802406] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 291.809699] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 291.816978] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 291.824253] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 291.831538] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 291.838841] ? dump_stack+0x34f/0x39d [ 291.842666] ? dump_stack_print_info.cold.1+0x20/0x20 [ 291.847922] dump_header+0x27b/0xf72 [ 291.851670] ? mark_held_locks+0x130/0x130 [ 291.855919] ? pagefault_out_of_memory+0x197/0x197 [ 291.860871] ? __lock_acquire+0x62f/0x4c20 [ 291.865114] ? zap_class+0x640/0x640 [ 291.868839] ? percpu_ref_get_many+0x240/0x240 [ 291.873453] ? print_usage_bug+0xc0/0xc0 [ 291.877531] ? print_usage_bug+0xc0/0xc0 [ 291.881611] ? zap_class+0x640/0x640 [ 291.885382] ? print_usage_bug+0xc0/0xc0 [ 291.889470] ? print_usage_bug+0xc0/0xc0 [ 291.893552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.899103] ? find_held_lock+0x36/0x1c0 [ 291.903186] ? mark_held_locks+0xc7/0x130 [ 291.907347] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.912474] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.917593] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 291.922189] ? trace_hardirqs_on+0xbd/0x310 [ 291.926524] ? kasan_check_read+0x11/0x20 [ 291.930681] ? ___ratelimit+0x3b4/0x672 [ 291.934666] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.939781] ? trace_hardirqs_on+0x310/0x310 [ 291.944202] ? lock_downgrade+0x900/0x900 [ 291.948366] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.953488] ? ___ratelimit+0x3b9/0x672 [ 291.957482] ? idr_get_free+0xf70/0xf70 [ 291.961484] ? find_held_lock+0x36/0x1c0 [ 291.965570] oom_kill_process.cold.27+0x10/0x903 [ 291.970338] ? zap_class+0x640/0x640 [ 291.974065] ? check_preemption_disabled+0x48/0x280 [ 291.979095] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.984038] ? kasan_check_read+0x11/0x20 [ 291.988199] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.993493] ? oom_evaluate_task+0x540/0x540 [ 291.997917] ? find_held_lock+0x36/0x1c0 [ 292.002000] ? out_of_memory+0x974/0x1430 [ 292.006159] ? lock_downgrade+0x900/0x900 [ 292.010321] ? check_preemption_disabled+0x48/0x280 [ 292.015352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 292.020295] ? kasan_check_read+0x11/0x20 [ 292.024470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.029758] ? rcu_softirq_qs+0x20/0x20 [ 292.033754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.039301] ? oom_evaluate_task+0x302/0x540 [ 292.043728] out_of_memory+0xa84/0x1430 [ 292.047724] ? oom_killer_disable+0x3a0/0x3a0 [ 292.052233] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 292.057179] ? __ww_mutex_check_waiters+0x160/0x160 [ 292.062220] __alloc_pages_slowpath+0x2354/0x2e10 [ 292.067103] ? warn_alloc+0x120/0x120 [ 292.070924] ? warn_alloc+0x120/0x120 [ 292.074749] ? warn_alloc+0x120/0x120 [ 292.078559] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 292.083718] ? print_usage_bug+0xc0/0xc0 [ 292.087791] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.092387] ? print_usage_bug+0xc0/0xc0 [ 292.096488] ? print_usage_bug+0xc0/0xc0 [ 292.100564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.106112] ? should_fail+0x22d/0xd01 [ 292.110014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.115130] ? zap_class+0x640/0x640 [ 292.118880] ? __lock_is_held+0xb5/0x140 [ 292.122963] ? zap_class+0x640/0x640 [ 292.126691] ? lock_release+0xa00/0xa00 [ 292.130677] ? perf_trace_sched_process_exec+0x860/0x860 [ 292.136140] ? check_preemption_disabled+0x48/0x280 [ 292.141176] ? __might_sleep+0x95/0x190 [ 292.145170] __alloc_pages_nodemask+0xa80/0xde0 [ 292.149851] ? zap_class+0x640/0x640 [ 292.153585] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 292.158626] ? mark_held_locks+0xc7/0x130 [ 292.162794] ? cache_grow_begin+0x65/0x8c0 [ 292.167041] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.171635] ? trace_hardirqs_on+0xbd/0x310 [ 292.175970] ? fallback_alloc+0x204/0x2e0 [ 292.180130] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.185248] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.190802] cache_grow_begin+0xa5/0x8c0 [ 292.194876] ? do_raw_spin_unlock+0xa7/0x330 [ 292.199305] fallback_alloc+0x204/0x2e0 [ 292.203295] ____cache_alloc_node+0x1c7/0x1e0 [ 292.207813] kmem_cache_alloc_node+0xe3/0x730 [ 292.212331] __alloc_skb+0x119/0x770 [ 292.216064] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.220487] ? if_nlmsg_size+0x5d1/0xbb0 [ 292.224564] ? rtnetlink_put_metrics+0x690/0x690 [ 292.229343] ? sk_psock_stop_strp+0x120/0x120 [ 292.233848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 292.238875] ? netif_tx_stop_all_queues+0xd9/0x110 [ 292.243820] rtmsg_ifinfo_build_skb+0x74/0x190 [ 292.248436] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 292.253297] rtmsg_ifinfo+0x8c/0xa0 [ 292.256941] dev_close_many+0x3be/0x860 [ 292.260946] ? dev_fill_metadata_dst+0x840/0x840 [ 292.265718] ? find_held_lock+0x36/0x1c0 [ 292.269800] ? __queue_work+0x671/0x1440 [ 292.273872] ? lock_downgrade+0x900/0x900 [ 292.278035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.283581] ? rtnl_is_locked+0xb5/0xf0 [ 292.287567] ? rtnl_trylock+0x20/0x20 [ 292.291375] ? do_raw_spin_unlock+0xa7/0x330 [ 292.295794] ? do_raw_spin_trylock+0x270/0x270 [ 292.300395] rollback_registered_many+0x543/0x1250 [ 292.305360] ? generic_xdp_install+0x5a0/0x5a0 [ 292.309962] ? flush_rcu_work+0x90/0x90 [ 292.313953] ? zap_class+0x640/0x640 [ 292.317682] ? print_usage_bug+0xc0/0xc0 [ 292.321753] ? print_usage_bug+0xc0/0xc0 [ 292.325826] ? zap_class+0x640/0x640 [ 292.329553] ? print_usage_bug+0xc0/0xc0 [ 292.333630] ? find_held_lock+0x36/0x1c0 [ 292.337714] ? mark_held_locks+0xc7/0x130 [ 292.341882] rollback_registered+0x1e9/0x420 [ 292.346300] ? lockdep_hardirqs_on+0x321/0x5b0 [ 292.350896] ? rollback_registered_many+0x1250/0x1250 [ 292.356123] ? trace_hardirqs_on+0xbd/0x310 [ 292.360474] ? linkwatch_schedule_work+0x150/0x170 [ 292.365416] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.370557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.376102] ? rtnl_is_locked+0xb5/0xf0 [ 292.380086] ? rtnl_trylock+0x20/0x20 [ 292.383899] ? queue_delayed_work_on+0x130/0x1f0 [ 292.388670] unregister_netdevice_queue+0x321/0x5e0 [ 292.393702] ? rollback_registered+0x420/0x420 [ 292.398298] ? linkwatch_schedule_work+0x170/0x170 [ 292.403241] ? tun_setup+0x2d0/0x2d0 [ 292.406969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.412523] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 292.417897] ? __tun_detach+0x6ba/0x15c0 [ 292.421979] __tun_detach+0x11b8/0x15c0 [ 292.426004] ? __call_rcu.constprop.55+0x3ea/0x950 [ 292.430951] ? __call_rcu.constprop.55+0x3ea/0x950 [ 292.435898] ? tun_attach+0x1900/0x1900 [ 292.439885] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.445004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.450557] ? check_preemption_disabled+0x48/0x280 [ 292.455583] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.460184] ? zap_class+0x640/0x640 [ 292.463908] ? fsnotify+0x4e5/0xf20 [ 292.467556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.473103] ? locks_remove_file+0x3c6/0x5c0 [ 292.477527] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 292.483074] ? ima_file_free+0x132/0x650 [ 292.487194] ? __lock_is_held+0xb5/0x140 [ 292.491270] ? __tun_detach+0x15c0/0x15c0 [ 292.495452] ? __tun_detach+0x15c0/0x15c0 [ 292.499615] tun_chr_close+0xe3/0x180 [ 292.503446] __fput+0x385/0xa30 [ 292.506746] ? get_max_files+0x20/0x20 [ 292.510655] ? perf_trace_sched_process_exec+0x860/0x860 [ 292.516123] ____fput+0x15/0x20 [ 292.519415] task_work_run+0x1e8/0x2a0 [ 292.523342] ? task_work_cancel+0x240/0x240 [ 292.527682] ? switch_task_namespaces+0xb8/0xd0 [ 292.532444] do_exit+0x1ad6/0x26d0 [ 292.536008] ? mm_update_next_owner+0x990/0x990 [ 292.540687] ? print_usage_bug+0xc0/0xc0 [ 292.544760] ? find_held_lock+0x36/0x1c0 [ 292.548847] ? mark_held_locks+0x130/0x130 [ 292.553096] ? __lock_acquire+0x62f/0x4c20 [ 292.557338] ? pipe_wait+0x266/0x2c0 [ 292.561067] ? lock_release+0xa00/0xa00 [ 292.565083] ? mark_held_locks+0x130/0x130 [ 292.569338] ? __mutex_lock+0x85e/0x16f0 [ 292.573409] ? __switch_to_asm+0x40/0x70 [ 292.577502] ? pipe_wait+0x266/0x2c0 [ 292.581237] ? __switch_to_asm+0x34/0x70 [ 292.585482] ? __switch_to_asm+0x40/0x70 [ 292.589562] ? mutex_trylock+0x2b0/0x2b0 [ 292.593638] ? zap_class+0x640/0x640 [ 292.597383] ? zap_class+0x640/0x640 [ 292.601104] ? find_held_lock+0x36/0x1c0 [ 292.605187] ? memset+0x31/0x40 [ 292.608502] ? find_held_lock+0x36/0x1c0 [ 292.612623] ? get_signal+0x95b/0x1980 [ 292.616614] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.621119] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.625634] do_group_exit+0x177/0x440 [ 292.629536] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.634650] ? __ia32_sys_exit+0x50/0x50 [ 292.638729] get_signal+0x8b0/0x1980 [ 292.642480] ? ptrace_notify+0x130/0x130 [ 292.646559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.652107] ? pipe_read+0x702/0x940 [ 292.655925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.661495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.667045] ? __vfs_read+0x11f/0x9b0 [ 292.670867] do_signal+0x9c/0x21c0 [ 292.674440] ? fsnotify+0xf20/0xf20 [ 292.678087] ? setup_sigcontext+0x7d0/0x7d0 [ 292.682446] ? exit_to_usermode_loop+0x8c/0x380 [ 292.687126] ? exit_to_usermode_loop+0x8c/0x380 [ 292.691807] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.696441] ? trace_hardirqs_on+0xbd/0x310 [ 292.700777] ? do_syscall_64+0x6be/0x820 [ 292.704859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.710415] exit_to_usermode_loop+0x2e5/0x380 [ 292.715529] ? __bpf_trace_sys_exit+0x30/0x30 [ 292.720050] do_syscall_64+0x6be/0x820 [ 292.723954] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.729333] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.734271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.739129] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.744169] ? prepare_exit_to_usermode+0x291/0x3b0 [ 292.749205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.754064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.759304] RIP: 0033:0x410fa0 [ 292.762523] Code: Bad RIP value. [ 292.765894] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 292.773612] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 292.780891] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 292.788165] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 292.795457] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 292.802738] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 292.810045] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 292.810114] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.817440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.817451] Call Trace: [ 292.817457] [ 292.817477] dump_stack+0x244/0x39d [ 292.817496] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.824068] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.833352] warn_alloc.cold.116+0xb7/0x1bd [ 292.835919] syz-executor5 cpuset=syz5 mems_allowed=0 [ 292.838076] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.871604] ? lock_downgrade+0x900/0x900 [ 292.875770] ? trace_hardirqs_off+0xb8/0x310 [ 292.880198] ? trace_hardirqs_off+0xb8/0x310 [ 292.884628] __alloc_pages_slowpath+0x26e8/0x2e10 [ 292.889562] ? warn_alloc+0x120/0x120 [ 292.893375] ? print_usage_bug+0xc0/0xc0 [ 292.897470] ? warn_alloc+0x120/0x120 [ 292.901286] ? warn_alloc+0x120/0x120 [ 292.905101] ? print_usage_bug+0xc0/0xc0 [ 292.909177] ? print_usage_bug+0xc0/0xc0 [ 292.913252] ? __lock_acquire+0x62f/0x4c20 [ 292.917507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.923055] ? should_fail+0x22d/0xd01 [ 292.926956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.932072] ? __lock_acquire+0x62f/0x4c20 [ 292.936322] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.941455] ? __lock_acquire+0x62f/0x4c20 [ 292.945702] ? should_fail+0x22d/0xd01 [ 292.949600] ? find_held_lock+0x36/0x1c0 [ 292.953682] ? mark_held_locks+0x130/0x130 [ 292.957933] ? mark_held_locks+0x130/0x130 [ 292.962232] ? zap_class+0x640/0x640 [ 292.965959] ? zap_class+0x640/0x640 [ 292.969690] ? print_usage_bug+0xc0/0xc0 [ 292.973759] ? do_raw_spin_unlock+0xa7/0x330 [ 292.978181] ? zap_class+0x640/0x640 [ 292.981907] ? print_usage_bug+0xc0/0xc0 [ 292.985980] ? wq_watchdog_touch+0x9c/0xfe [ 292.990273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.995823] ? check_preemption_disabled+0x48/0x280 [ 293.000860] ? __lock_is_held+0xb5/0x140 [ 293.004939] __alloc_pages_nodemask+0xa80/0xde0 [ 293.009619] ? zap_class+0x640/0x640 [ 293.013351] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 293.018388] ? find_held_lock+0x36/0x1c0 [ 293.022496] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.027219] ? lock_downgrade+0x900/0x900 [ 293.031385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.036959] cache_grow_begin+0xa5/0x8c0 [ 293.041031] ? do_raw_spin_unlock+0xa7/0x330 [ 293.045482] fallback_alloc+0x204/0x2e0 [ 293.049485] ____cache_alloc_node+0x1c7/0x1e0 [ 293.054001] kmem_cache_alloc_node+0xe3/0x730 [ 293.058509] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.062781] __alloc_skb+0x119/0x770 [ 293.066506] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.071798] ? netdev_alloc_frag+0x1f0/0x1f0 [ 293.076217] ? lock_downgrade+0x900/0x900 [ 293.080385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.085933] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.091400] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.096884] ? addrconf_rs_timer+0x690/0x690 [ 293.101314] ndisc_alloc_skb+0x144/0x340 [ 293.105393] ndisc_send_rs+0x331/0x6e0 [ 293.109362] addrconf_rs_timer+0x314/0x690 [ 293.113618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.117873] call_timer_fn+0x272/0x920 [ 293.121772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.126019] ? process_timeout+0x40/0x40 [ 293.130098] ? __run_timers+0x7da/0xc70 [ 293.134083] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.138590] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.143137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.147386] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.151999] ? trace_hardirqs_on+0xbd/0x310 [ 293.156329] ? kasan_check_read+0x11/0x20 [ 293.160602] ? __run_timers+0x7da/0xc70 [ 293.164593] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.169712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.174006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.178249] __run_timers+0x7e5/0xc70 [ 293.182071] ? timer_fixup_init+0x70/0x70 [ 293.186234] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.191261] ? zap_class+0x640/0x640 [ 293.195006] ? enqueue_hrtimer+0x1a5/0x560 [ 293.199253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.204481] ? find_held_lock+0x36/0x1c0 [ 293.208558] ? zap_class+0x640/0x640 [ 293.212286] ? pvclock_read_flags+0x160/0x160 [ 293.216793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.222341] ? check_preemption_disabled+0x48/0x280 [ 293.227379] ? __lock_is_held+0xb5/0x140 [ 293.231476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.237024] ? check_preemption_disabled+0x48/0x280 [ 293.242099] run_timer_softirq+0x52/0xb0 [ 293.246173] ? rcu_read_lock_sched_held+0x14f/0x180 [ 293.251208] __do_softirq+0x308/0xb7e [ 293.255022] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 293.259527] ? lock_downgrade+0x900/0x900 [ 293.263695] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 293.268824] ? pvclock_read_flags+0x160/0x160 [ 293.273373] ? lapic_next_event+0x5a/0x90 [ 293.277537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.283089] ? kvm_clock_read+0x18/0x30 [ 293.287073] ? kvm_sched_clock_read+0x9/0x20 [ 293.291496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.297085] ? check_preemption_disabled+0x48/0x280 [ 293.302123] irq_exit+0x17f/0x1c0 [ 293.306449] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.311303] ? smp_reschedule_interrupt+0x109/0x650 [ 293.316372] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.322266] ? interrupt_entry+0xb5/0xc0 [ 293.326343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.331371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.336398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.341274] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.346300] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.351329] ? task_prio+0x50/0x50 [ 293.354884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.360493] ? check_preemption_disabled+0x48/0x280 [ 293.365529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.370392] apic_timer_interrupt+0xf/0x20 [ 293.374654] [ 293.377034] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 293.382931] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 293.402024] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.409741] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 293.417017] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 293.424294] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 293.431570] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 293.438849] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 293.446161] ? save_stack+0xa9/0xd0 [ 293.449818] __kmalloc_node_track_caller+0x3c/0x70 [ 293.454763] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 293.459537] pskb_expand_head+0x230/0x10f0 [ 293.463788] ? memcpy+0x45/0x50 [ 293.467079] ? __copy_skb_header+0x350/0x6b0 [ 293.471501] ? skb_release_data+0x880/0x880 [ 293.475839] ? __alloc_skb+0x770/0x770 [ 293.479749] ? __lock_is_held+0xb5/0x140 [ 293.483827] ? kasan_check_write+0x14/0x20 [ 293.488069] ? __skb_clone+0x6c7/0xa00 [ 293.491969] ? __copy_skb_header+0x6b0/0x6b0 [ 293.496386] ? kmem_cache_alloc+0x33a/0x730 [ 293.500748] skb_ensure_writable+0x3dd/0x640 [ 293.505173] ? skb_checksum_setup+0xaa0/0xaa0 [ 293.509680] ? check_preemption_disabled+0x48/0x280 [ 293.514714] ? __this_cpu_preempt_check+0x1c/0x20 [ 293.519566] ? __bpf_redirect+0x54b/0xb20 [ 293.523729] bpf_clone_redirect+0x14a/0x490 [ 293.528070] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 293.533101] ? __sched_text_start+0x8/0x8 [ 293.537307] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.541898] ? retint_kernel+0x2d/0x2d [ 293.545799] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.550744] ? find_held_lock+0x36/0x1c0 [ 293.554823] ? lock_acquire+0x1ed/0x520 [ 293.558810] ? bpf_test_run+0x3cb/0x780 [ 293.562797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.568348] ? check_preemption_disabled+0x48/0x280 [ 293.573379] ? kasan_check_read+0x11/0x20 [ 293.577539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.582827] ? rcu_softirq_qs+0x20/0x20 [ 293.586813] ? preempt_schedule+0x4d/0x60 [ 293.590973] ? ___preempt_schedule+0x16/0x18 [ 293.595402] ? bpf_test_run+0x25d/0x780 [ 293.599449] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.603875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.609439] ? bpf_test_init.isra.10+0x70/0x100 [ 293.614130] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 293.618951] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.623804] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.629392] ? fput+0x130/0x1a0 [ 293.632707] ? __bpf_prog_get+0x9b/0x290 [ 293.636781] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.641647] ? bpf_prog_test_run+0x130/0x1a0 [ 293.646070] ? __x64_sys_bpf+0x3d8/0x520 [ 293.650140] ? bpf_prog_get+0x20/0x20 [ 293.654016] ? do_syscall_64+0x1b9/0x820 [ 293.658088] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.663484] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.668449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.673308] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.678341] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.683370] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.688406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.693291] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.698793] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 293.698799] warn_alloc_show_mem: 1 callbacks suppressed [ 293.698806] Mem-Info: [ 293.706359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.706368] Call Trace: [ 293.711754] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 293.711754] active_file:12 inactive_file:13 isolated_file:0 [ 293.711754] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.711754] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 293.711754] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 293.711754] free:13733 free_pcp:586 free_cma:0 [ 293.714136] [ 293.723511] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.726102] dump_stack+0x244/0x39d [ 293.759005] 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 [ 293.761164] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.788553] lowmem_reserve[]: 0 2818 6321 6321 [ 293.792204] warn_alloc.cold.116+0xb7/0x1bd [ 293.818290] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 293.823487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.828043] lowmem_reserve[]: 0 0 3503 3503 [ 293.832377] ? lock_downgrade+0x900/0x900 [ 293.859951] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 293.864802] ? trace_hardirqs_off+0xb8/0x310 [ 293.869098] lowmem_reserve[]: 0 0 0 0 [ 293.873300] ? trace_hardirqs_off+0xb8/0x310 [ 293.902384] 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 [ 293.906806] __alloc_pages_slowpath+0x26e8/0x2e10 [ 293.910581] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 293.915026] ? warn_alloc+0x120/0x120 [ 293.928554] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 293.933401] ? print_usage_bug+0xc0/0xc0 [ 293.948734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.952532] ? warn_alloc+0x120/0x120 [ 293.966397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.970472] ? warn_alloc+0x120/0x120 [ 293.979295] 269 total pagecache pages [ 293.983097] ? print_usage_bug+0xc0/0xc0 [ 293.991662] 0 pages in swap cache [ 293.995477] ? kvm_clock_read+0x18/0x30 [ 293.999259] Swap cache stats: add 0, delete 0, find 0/0 [ 293.999268] Free swap = 0kB [ 294.003332] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 294.006761] Total swap = 0kB [ 294.006770] 1965979 pages RAM [ 294.010747] ? print_usage_bug+0xc0/0xc0 [ 294.016096] 0 pages HighMem/MovableOnly [ 294.019115] ? __lock_acquire+0x62f/0x4c20 [ 294.024115] 342853 pages reserved [ 294.024124] 0 pages cma reserved [ 294.027192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.030360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.034342] ? should_fail+0x22d/0xd01 [ 294.034356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.034375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.038393] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.042575] ? __lock_acquire+0x62f/0x4c20 [ 294.046016] syz-executor0 cpuset=syz0 mems_allowed=0 [ 294.049391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.100587] ? __lock_acquire+0x62f/0x4c20 [ 294.104835] ? should_fail+0x22d/0xd01 [ 294.108729] ? rcu_irq_exit+0x1a2/0x390 [ 294.112727] ? mark_held_locks+0x130/0x130 [ 294.116981] ? mark_held_locks+0x130/0x130 [ 294.121235] ? mark_held_locks+0xc7/0x130 [ 294.125395] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 294.130455] ? zap_class+0x640/0x640 [ 294.134180] ? print_usage_bug+0xc0/0xc0 [ 294.138256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.143806] ? check_preemption_disabled+0x48/0x280 [ 294.148844] ? __lock_is_held+0xb5/0x140 [ 294.152923] __alloc_pages_nodemask+0xa80/0xde0 [ 294.157609] ? zap_class+0x640/0x640 [ 294.161340] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 294.166383] ? find_held_lock+0x36/0x1c0 [ 294.170480] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.175167] ? lock_downgrade+0x900/0x900 [ 294.179331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.184883] cache_grow_begin+0xa5/0x8c0 [ 294.188960] ? do_raw_spin_unlock+0xa7/0x330 [ 294.193391] fallback_alloc+0x204/0x2e0 [ 294.197403] ____cache_alloc_node+0x1c7/0x1e0 [ 294.201935] kmem_cache_alloc_node+0xe3/0x730 [ 294.206467] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.210726] __alloc_skb+0x119/0x770 [ 294.214466] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.219759] ? netdev_alloc_frag+0x1f0/0x1f0 [ 294.224187] ? lock_downgrade+0x900/0x900 [ 294.228356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.233904] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.239368] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.244830] ? addrconf_rs_timer+0x690/0x690 [ 294.249261] ndisc_alloc_skb+0x144/0x340 [ 294.253380] ndisc_send_rs+0x331/0x6e0 [ 294.257326] addrconf_rs_timer+0x314/0x690 [ 294.261579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.265836] call_timer_fn+0x272/0x920 [ 294.269736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.273982] ? process_timeout+0x40/0x40 [ 294.278063] ? mark_held_locks+0xc7/0x130 [ 294.282223] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.286727] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.291230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.295484] ? lockdep_hardirqs_on+0x296/0x5b0 [ 294.300082] ? trace_hardirqs_on+0xbd/0x310 [ 294.304590] ? kasan_check_read+0x11/0x20 [ 294.308747] ? __run_timers+0x7da/0xc70 [ 294.312735] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.317851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.322100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.326344] __run_timers+0x7e5/0xc70 [ 294.330166] ? timer_fixup_init+0x70/0x70 [ 294.334329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.339359] ? zap_class+0x640/0x640 [ 294.343092] ? print_usage_bug+0xc0/0xc0 [ 294.347170] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.352379] ? find_held_lock+0x36/0x1c0 [ 294.356475] ? zap_class+0x640/0x640 [ 294.360205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.365757] ? check_preemption_disabled+0x48/0x280 [ 294.370795] ? __lock_is_held+0xb5/0x140 [ 294.374875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.380443] ? check_preemption_disabled+0x48/0x280 [ 294.385494] run_timer_softirq+0x52/0xb0 [ 294.389572] ? rcu_read_lock_sched_held+0x14f/0x180 [ 294.394605] __do_softirq+0x308/0xb7e [ 294.398440] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 294.402951] ? lock_downgrade+0x900/0x900 [ 294.407115] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 294.412322] ? pvclock_read_flags+0x160/0x160 [ 294.416833] ? lapic_next_event+0x5a/0x90 [ 294.420997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.426549] ? kvm_clock_read+0x18/0x30 [ 294.430533] ? kvm_sched_clock_read+0x9/0x20 [ 294.434958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.440509] ? check_preemption_disabled+0x48/0x280 [ 294.445549] irq_exit+0x17f/0x1c0 [ 294.449015] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.453868] ? smp_reschedule_interrupt+0x109/0x650 [ 294.458895] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.464788] ? interrupt_entry+0xb5/0xc0 [ 294.468861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.473891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.478918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.483776] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.488802] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.493827] ? task_prio+0x50/0x50 [ 294.497378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.502928] ? check_preemption_disabled+0x48/0x280 [ 294.508009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.512876] apic_timer_interrupt+0xf/0x20 [ 294.517114] [ 294.519366] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 294.524567] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 294.543478] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.551239] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 294.558522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 294.565797] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 294.573201] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 294.580481] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 294.587926] retint_kernel+0x1b/0x2d [ 294.591659] RIP: 0010:dump_stack+0x358/0x39d [ 294.596078] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 294.614991] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 294.622708] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 294.629984] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 294.637263] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 294.644542] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 294.651819] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 294.659210] ? dump_stack+0x34f/0x39d [ 294.663034] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.668247] dump_header+0x27b/0xf72 [ 294.671989] ? mark_held_locks+0x130/0x130 [ 294.676239] ? pagefault_out_of_memory+0x197/0x197 [ 294.681188] ? __lock_acquire+0x62f/0x4c20 [ 294.685447] ? zap_class+0x640/0x640 [ 294.689177] ? percpu_ref_get_many+0x240/0x240 [ 294.693771] ? print_usage_bug+0xc0/0xc0 [ 294.697843] ? print_usage_bug+0xc0/0xc0 [ 294.701929] ? zap_class+0x640/0x640 [ 294.705705] ? print_usage_bug+0xc0/0xc0 [ 294.709780] ? print_usage_bug+0xc0/0xc0 [ 294.714404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.719987] ? find_held_lock+0x36/0x1c0 [ 294.724137] ? mark_held_locks+0xc7/0x130 [ 294.728302] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.733503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.738622] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.743216] ? trace_hardirqs_on+0xbd/0x310 [ 294.747552] ? kasan_check_read+0x11/0x20 [ 294.751708] ? ___ratelimit+0x3b4/0x672 [ 294.755740] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.760856] ? trace_hardirqs_on+0x310/0x310 [ 294.765275] ? lock_downgrade+0x900/0x900 [ 294.769459] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.774575] ? ___ratelimit+0x3b9/0x672 [ 294.778562] ? idr_get_free+0xf70/0xf70 [ 294.782551] ? find_held_lock+0x36/0x1c0 [ 294.786635] oom_kill_process.cold.27+0x10/0x903 [ 294.791405] ? zap_class+0x640/0x640 [ 294.795148] ? check_preemption_disabled+0x48/0x280 [ 294.800189] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.805128] ? kasan_check_read+0x11/0x20 [ 294.809285] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.814576] ? oom_evaluate_task+0x540/0x540 [ 294.818999] ? find_held_lock+0x36/0x1c0 [ 294.823081] ? out_of_memory+0x974/0x1430 [ 294.827287] ? lock_downgrade+0x900/0x900 [ 294.831464] ? check_preemption_disabled+0x48/0x280 [ 294.836501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.841461] ? kasan_check_read+0x11/0x20 [ 294.845619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.850905] ? rcu_softirq_qs+0x20/0x20 [ 294.854894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.860455] ? oom_evaluate_task+0x302/0x540 [ 294.864879] out_of_memory+0xa84/0x1430 [ 294.868872] ? oom_killer_disable+0x3a0/0x3a0 [ 294.873378] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 294.878320] ? __ww_mutex_check_waiters+0x160/0x160 [ 294.883358] __alloc_pages_slowpath+0x2354/0x2e10 [ 294.888250] ? warn_alloc+0x120/0x120 [ 294.892068] ? warn_alloc+0x120/0x120 [ 294.895884] ? warn_alloc+0x120/0x120 [ 294.899695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.904817] ? print_usage_bug+0xc0/0xc0 [ 294.908889] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.913501] ? print_usage_bug+0xc0/0xc0 [ 294.917579] ? print_usage_bug+0xc0/0xc0 [ 294.921653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.927205] ? should_fail+0x22d/0xd01 [ 294.931108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.936224] ? zap_class+0x640/0x640 [ 294.939981] ? __lock_is_held+0xb5/0x140 [ 294.944078] ? zap_class+0x640/0x640 [ 294.947808] ? lock_release+0xa00/0xa00 [ 294.951838] ? perf_trace_sched_process_exec+0x860/0x860 [ 294.957305] ? check_preemption_disabled+0x48/0x280 [ 294.962340] ? __might_sleep+0x95/0x190 [ 294.966419] __alloc_pages_nodemask+0xa80/0xde0 [ 294.971122] ? zap_class+0x640/0x640 [ 294.974851] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 294.979890] ? mark_held_locks+0xc7/0x130 [ 294.984057] ? cache_grow_begin+0x65/0x8c0 [ 294.988306] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.992905] ? trace_hardirqs_on+0xbd/0x310 [ 294.997239] ? fallback_alloc+0x204/0x2e0 [ 295.001399] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.006538] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.012093] cache_grow_begin+0xa5/0x8c0 [ 295.016166] ? do_raw_spin_unlock+0xa7/0x330 [ 295.020597] fallback_alloc+0x204/0x2e0 [ 295.024592] ____cache_alloc_node+0x1c7/0x1e0 [ 295.029105] kmem_cache_alloc_node+0xe3/0x730 [ 295.033629] __alloc_skb+0x119/0x770 [ 295.037364] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.041842] ? if_nlmsg_size+0x5d1/0xbb0 [ 295.045931] ? rtnetlink_put_metrics+0x690/0x690 [ 295.050715] ? sk_psock_stop_strp+0x120/0x120 [ 295.055219] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.060240] ? netif_tx_stop_all_queues+0xd9/0x110 [ 295.065180] rtmsg_ifinfo_build_skb+0x74/0x190 [ 295.069778] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 295.074633] rtmsg_ifinfo+0x8c/0xa0 [ 295.078269] dev_close_many+0x3be/0x860 [ 295.082260] ? dev_fill_metadata_dst+0x840/0x840 [ 295.087023] ? find_held_lock+0x36/0x1c0 [ 295.091096] ? __queue_work+0x671/0x1440 [ 295.095164] ? lock_downgrade+0x900/0x900 [ 295.099320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.104858] ? rtnl_is_locked+0xb5/0xf0 [ 295.108835] ? rtnl_trylock+0x20/0x20 [ 295.112637] ? do_raw_spin_unlock+0xa7/0x330 [ 295.117055] ? do_raw_spin_trylock+0x270/0x270 [ 295.121651] rollback_registered_many+0x543/0x1250 [ 295.126596] ? generic_xdp_install+0x5a0/0x5a0 [ 295.131195] ? flush_rcu_work+0x90/0x90 [ 295.135178] ? zap_class+0x640/0x640 [ 295.138898] ? print_usage_bug+0xc0/0xc0 [ 295.142967] ? print_usage_bug+0xc0/0xc0 [ 295.147034] ? zap_class+0x640/0x640 [ 295.150755] ? print_usage_bug+0xc0/0xc0 [ 295.154822] ? find_held_lock+0x36/0x1c0 [ 295.158898] ? mark_held_locks+0xc7/0x130 [ 295.163061] rollback_registered+0x1e9/0x420 [ 295.167472] ? lockdep_hardirqs_on+0x321/0x5b0 [ 295.172060] ? rollback_registered_many+0x1250/0x1250 [ 295.177255] ? trace_hardirqs_on+0xbd/0x310 [ 295.181581] ? linkwatch_schedule_work+0x150/0x170 [ 295.186520] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.191633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.197174] ? rtnl_is_locked+0xb5/0xf0 [ 295.201151] ? rtnl_trylock+0x20/0x20 [ 295.204964] ? queue_delayed_work_on+0x130/0x1f0 [ 295.209728] unregister_netdevice_queue+0x321/0x5e0 [ 295.214753] ? rollback_registered+0x420/0x420 [ 295.219340] ? linkwatch_schedule_work+0x170/0x170 [ 295.224277] ? tun_setup+0x2d0/0x2d0 [ 295.227998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.233548] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 295.238917] ? __tun_detach+0x6ba/0x15c0 [ 295.242994] __tun_detach+0x11b8/0x15c0 [ 295.246974] ? __call_rcu.constprop.55+0x3ea/0x950 [ 295.251903] ? __call_rcu.constprop.55+0x3ea/0x950 [ 295.256844] ? tun_attach+0x1900/0x1900 [ 295.260822] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.265931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.271484] ? check_preemption_disabled+0x48/0x280 [ 295.276504] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 295.281099] ? zap_class+0x640/0x640 [ 295.284819] ? fsnotify+0x4e5/0xf20 [ 295.288464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.294005] ? locks_remove_file+0x3c6/0x5c0 [ 295.298418] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 295.303973] ? ima_file_free+0x132/0x650 [ 295.308042] ? __lock_is_held+0xb5/0x140 [ 295.312112] ? __tun_detach+0x15c0/0x15c0 [ 295.316267] ? __tun_detach+0x15c0/0x15c0 [ 295.320418] tun_chr_close+0xe3/0x180 [ 295.324235] __fput+0x385/0xa30 [ 295.327524] ? get_max_files+0x20/0x20 [ 295.331435] ? perf_trace_sched_process_exec+0x860/0x860 [ 295.336896] ____fput+0x15/0x20 [ 295.340216] task_work_run+0x1e8/0x2a0 [ 295.344121] ? task_work_cancel+0x240/0x240 [ 295.348452] ? switch_task_namespaces+0xb8/0xd0 [ 295.353146] do_exit+0x1ad6/0x26d0 [ 295.356699] ? mm_update_next_owner+0x990/0x990 [ 295.361387] ? print_usage_bug+0xc0/0xc0 [ 295.365474] ? find_held_lock+0x36/0x1c0 [ 295.369553] ? mark_held_locks+0x130/0x130 [ 295.373800] ? __lock_acquire+0x62f/0x4c20 [ 295.378035] ? pipe_wait+0x266/0x2c0 [ 295.381760] ? lock_release+0xa00/0xa00 [ 295.385746] ? mark_held_locks+0x130/0x130 [ 295.389992] ? __mutex_lock+0x85e/0x16f0 [ 295.394057] ? __switch_to_asm+0x40/0x70 [ 295.398120] ? pipe_wait+0x266/0x2c0 [ 295.401834] ? __switch_to_asm+0x34/0x70 [ 295.405907] ? __switch_to_asm+0x40/0x70 [ 295.409980] ? mutex_trylock+0x2b0/0x2b0 [ 295.414060] ? zap_class+0x640/0x640 [ 295.417795] ? zap_class+0x640/0x640 [ 295.421509] ? find_held_lock+0x36/0x1c0 [ 295.425599] ? memset+0x31/0x40 [ 295.428889] ? find_held_lock+0x36/0x1c0 [ 295.432963] ? get_signal+0x95b/0x1980 [ 295.436867] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.441377] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.445887] do_group_exit+0x177/0x440 [ 295.449798] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.454905] ? __ia32_sys_exit+0x50/0x50 [ 295.458980] get_signal+0x8b0/0x1980 [ 295.462703] ? ptrace_notify+0x130/0x130 [ 295.466774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.472314] ? pipe_read+0x702/0x940 [ 295.476047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.481603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.487140] ? __vfs_read+0x11f/0x9b0 [ 295.490966] do_signal+0x9c/0x21c0 [ 295.494510] ? fsnotify+0xf20/0xf20 [ 295.498146] ? setup_sigcontext+0x7d0/0x7d0 [ 295.502480] ? exit_to_usermode_loop+0x8c/0x380 [ 295.507182] ? exit_to_usermode_loop+0x8c/0x380 [ 295.511853] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 295.516458] ? trace_hardirqs_on+0xbd/0x310 [ 295.520797] ? do_syscall_64+0x6be/0x820 [ 295.524881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.530461] exit_to_usermode_loop+0x2e5/0x380 [ 295.535082] ? __bpf_trace_sys_exit+0x30/0x30 [ 295.539592] do_syscall_64+0x6be/0x820 [ 295.543502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.548886] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.553819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.558671] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.563736] ? prepare_exit_to_usermode+0x291/0x3b0 [ 295.568760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.573629] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.578816] RIP: 0033:0x410fa0 [ 295.582025] Code: Bad RIP value. [ 295.585390] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 295.593103] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 295.600370] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 295.607637] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 295.614926] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 295.622200] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 295.629494] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 295.629564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.636869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.636875] Call Trace: [ 295.636881] [ 295.636901] dump_stack+0x244/0x39d [ 295.636919] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.643502] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.652780] warn_alloc.cold.116+0xb7/0x1bd [ 295.655333] syz-executor5 cpuset=syz5 mems_allowed=0 [ 295.657493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.690978] ? lock_downgrade+0x900/0x900 [ 295.695184] ? trace_hardirqs_off+0xb8/0x310 [ 295.699619] ? trace_hardirqs_off+0xb8/0x310 [ 295.704038] __alloc_pages_slowpath+0x26e8/0x2e10 [ 295.708926] ? warn_alloc+0x120/0x120 [ 295.712736] ? print_usage_bug+0xc0/0xc0 [ 295.716800] ? warn_alloc+0x120/0x120 [ 295.720622] ? warn_alloc+0x120/0x120 [ 295.724439] ? print_usage_bug+0xc0/0xc0 [ 295.728535] ? print_usage_bug+0xc0/0xc0 [ 295.732601] ? __lock_acquire+0x62f/0x4c20 [ 295.736860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.742399] ? should_fail+0x22d/0xd01 [ 295.746314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.751448] ? __lock_acquire+0x62f/0x4c20 [ 295.755692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.760798] ? __lock_acquire+0x62f/0x4c20 [ 295.765036] ? should_fail+0x22d/0xd01 [ 295.768922] ? find_held_lock+0x36/0x1c0 [ 295.773004] ? mark_held_locks+0x130/0x130 [ 295.777246] ? mark_held_locks+0x130/0x130 [ 295.781498] ? zap_class+0x640/0x640 [ 295.785232] ? zap_class+0x640/0x640 [ 295.788969] ? print_usage_bug+0xc0/0xc0 [ 295.793048] ? do_raw_spin_unlock+0xa7/0x330 [ 295.797480] ? zap_class+0x640/0x640 [ 295.801193] ? print_usage_bug+0xc0/0xc0 [ 295.805253] ? wq_watchdog_touch+0x9c/0xfe [ 295.809511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.815054] ? check_preemption_disabled+0x48/0x280 [ 295.820102] ? __lock_is_held+0xb5/0x140 [ 295.824184] __alloc_pages_nodemask+0xa80/0xde0 [ 295.828853] ? zap_class+0x640/0x640 [ 295.832578] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 295.837607] ? find_held_lock+0x36/0x1c0 [ 295.841682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.846369] ? lock_downgrade+0x900/0x900 [ 295.850527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.856074] cache_grow_begin+0xa5/0x8c0 [ 295.860136] ? do_raw_spin_unlock+0xa7/0x330 [ 295.864561] fallback_alloc+0x204/0x2e0 [ 295.868549] ____cache_alloc_node+0x1c7/0x1e0 [ 295.873052] kmem_cache_alloc_node+0xe3/0x730 [ 295.877568] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.881815] __alloc_skb+0x119/0x770 [ 295.885534] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.890836] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.895248] ? lock_downgrade+0x900/0x900 [ 295.899402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.904985] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.910457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.915910] ? addrconf_rs_timer+0x690/0x690 [ 295.920350] ndisc_alloc_skb+0x144/0x340 [ 295.924418] ndisc_send_rs+0x331/0x6e0 [ 295.928328] addrconf_rs_timer+0x314/0x690 [ 295.932574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.936824] call_timer_fn+0x272/0x920 [ 295.940747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.944998] ? process_timeout+0x40/0x40 [ 295.949075] ? __run_timers+0x7da/0xc70 [ 295.953080] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.957590] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.962082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.966316] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.970900] ? trace_hardirqs_on+0xbd/0x310 [ 295.975225] ? kasan_check_read+0x11/0x20 [ 295.979370] ? __run_timers+0x7da/0xc70 [ 295.983351] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.988472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.992717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.996950] __run_timers+0x7e5/0xc70 [ 296.000763] ? timer_fixup_init+0x70/0x70 [ 296.004939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.009958] ? zap_class+0x640/0x640 [ 296.013693] ? enqueue_hrtimer+0x1a5/0x560 [ 296.017929] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.023125] ? find_held_lock+0x36/0x1c0 [ 296.027192] ? zap_class+0x640/0x640 [ 296.030913] ? pvclock_read_flags+0x160/0x160 [ 296.035438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.041033] ? check_preemption_disabled+0x48/0x280 [ 296.046087] ? __lock_is_held+0xb5/0x140 [ 296.050154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.055715] ? check_preemption_disabled+0x48/0x280 [ 296.060753] run_timer_softirq+0x52/0xb0 [ 296.064831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 296.069864] __do_softirq+0x308/0xb7e [ 296.073686] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 296.078182] ? lock_downgrade+0x900/0x900 [ 296.082354] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 296.087475] ? pvclock_read_flags+0x160/0x160 [ 296.091992] ? lapic_next_event+0x5a/0x90 [ 296.096145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.101692] ? kvm_clock_read+0x18/0x30 [ 296.105668] ? kvm_sched_clock_read+0x9/0x20 [ 296.110113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.115682] ? check_preemption_disabled+0x48/0x280 [ 296.120715] irq_exit+0x17f/0x1c0 [ 296.124169] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.129010] ? smp_reschedule_interrupt+0x109/0x650 [ 296.134027] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.139912] ? interrupt_entry+0xb5/0xc0 [ 296.143977] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.149012] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.154031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.158879] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.163894] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.168926] ? task_prio+0x50/0x50 [ 296.172490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.178048] ? check_preemption_disabled+0x48/0x280 [ 296.183089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.187957] apic_timer_interrupt+0xf/0x20 [ 296.192203] [ 296.194458] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 296.200362] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 296.219319] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 296.227026] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.234293] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 296.241561] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 296.248844] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 296.256110] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 296.263430] ? save_stack+0xa9/0xd0 [ 296.267092] __kmalloc_node_track_caller+0x3c/0x70 [ 296.272029] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 296.276811] pskb_expand_head+0x230/0x10f0 [ 296.281052] ? memcpy+0x45/0x50 [ 296.284334] ? __copy_skb_header+0x350/0x6b0 [ 296.288746] ? skb_release_data+0x880/0x880 [ 296.293084] ? __alloc_skb+0x770/0x770 [ 296.296997] ? __lock_is_held+0xb5/0x140 [ 296.301070] ? kasan_check_write+0x14/0x20 [ 296.305303] ? __skb_clone+0x6c7/0xa00 [ 296.309212] ? __copy_skb_header+0x6b0/0x6b0 [ 296.313634] ? kmem_cache_alloc+0x33a/0x730 [ 296.317967] skb_ensure_writable+0x3dd/0x640 [ 296.322383] ? skb_checksum_setup+0xaa0/0xaa0 [ 296.326884] ? check_preemption_disabled+0x48/0x280 [ 296.331907] ? __this_cpu_preempt_check+0x1c/0x20 [ 296.336767] ? __bpf_redirect+0x54b/0xb20 [ 296.340924] bpf_clone_redirect+0x14a/0x490 [ 296.345259] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 296.350280] ? __sched_text_start+0x8/0x8 [ 296.354459] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.359057] ? retint_kernel+0x2d/0x2d [ 296.362949] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.367887] ? find_held_lock+0x36/0x1c0 [ 296.371956] ? lock_acquire+0x1ed/0x520 [ 296.375933] ? bpf_test_run+0x3cb/0x780 [ 296.379940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.385500] ? check_preemption_disabled+0x48/0x280 [ 296.390526] ? kasan_check_read+0x11/0x20 [ 296.394679] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.399969] ? rcu_softirq_qs+0x20/0x20 [ 296.403946] ? preempt_schedule+0x4d/0x60 [ 296.408097] ? ___preempt_schedule+0x16/0x18 [ 296.412519] ? bpf_test_run+0x25d/0x780 [ 296.416510] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.420928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.426474] ? bpf_test_init.isra.10+0x70/0x100 [ 296.431150] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 296.435936] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.440783] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.446337] ? fput+0x130/0x1a0 [ 296.449634] ? __bpf_prog_get+0x9b/0x290 [ 296.453702] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.458562] ? bpf_prog_test_run+0x130/0x1a0 [ 296.462972] ? __x64_sys_bpf+0x3d8/0x520 [ 296.467038] ? bpf_prog_get+0x20/0x20 [ 296.470859] ? do_syscall_64+0x1b9/0x820 [ 296.474924] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.480293] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.485224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.490073] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.495090] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.500110] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.505166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.510029] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.515407] warn_alloc_show_mem: 1 callbacks suppressed [ 296.515419] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 296.515428] Mem-Info: [ 296.515481] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 296.515481] active_file:12 inactive_file:13 isolated_file:0 [ 296.515481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.515481] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 296.515481] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 296.515481] free:13733 free_pcp:586 free_cma:0 [ 296.520814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.528094] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.530492] Call Trace: [ 296.563356] 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 [ 296.572714] [ 296.600537] lowmem_reserve[]: 0 2818 6321 6321 [ 296.603136] dump_stack+0x244/0x39d [ 296.629218] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 296.631412] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.635966] lowmem_reserve[]: 0 0 3503 3503 [ 296.639617] warn_alloc.cold.116+0xb7/0x1bd [ 296.667170] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 296.672373] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.676661] lowmem_reserve[]: 0 0 0 0 [ 296.681000] ? lock_downgrade+0x900/0x900 [ 296.709955] 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 [ 296.715330] ? trace_hardirqs_off+0xb8/0x310 [ 296.719103] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 296.723248] ? trace_hardirqs_off+0xb8/0x310 [ 296.736746] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 296.741151] __alloc_pages_slowpath+0x26e8/0x2e10 [ 296.756480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.760901] ? warn_alloc+0x120/0x120 [ 296.774732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.779564] ? print_usage_bug+0xc0/0xc0 [ 296.788373] 269 total pagecache pages [ 296.792185] ? warn_alloc+0x120/0x120 [ 296.800760] 0 pages in swap cache [ 296.804817] ? warn_alloc+0x120/0x120 [ 296.808598] Swap cache stats: add 0, delete 0, find 0/0 [ 296.812389] ? print_usage_bug+0xc0/0xc0 [ 296.815831] Free swap = 0kB [ 296.819626] ? kvm_clock_read+0x18/0x30 [ 296.824963] Total swap = 0kB [ 296.829021] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 296.832017] 1965979 pages RAM [ 296.835989] ? print_usage_bug+0xc0/0xc0 [ 296.838997] 0 pages HighMem/MovableOnly [ 296.844007] ? __lock_acquire+0x62f/0x4c20 [ 296.847090] 342853 pages reserved [ 296.851148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.855099] 0 pages cma reserved [ 296.859327] ? should_fail+0x22d/0xd01 [ 296.862820] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.868282] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.868301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.868348] ? __lock_acquire+0x62f/0x4c20 [ 296.871753] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.875585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.882058] syz-executor0 cpuset=syz0 mems_allowed=0 [ 296.887328] ? __lock_acquire+0x62f/0x4c20 [ 296.921517] ? should_fail+0x22d/0xd01 [ 296.925427] ? rcu_irq_exit+0x1a2/0x390 [ 296.929412] ? mark_held_locks+0x130/0x130 [ 296.933662] ? mark_held_locks+0x130/0x130 [ 296.937905] ? mark_held_locks+0xc7/0x130 [ 296.942057] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 296.947074] ? zap_class+0x640/0x640 [ 296.950790] ? print_usage_bug+0xc0/0xc0 [ 296.954857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.960401] ? check_preemption_disabled+0x48/0x280 [ 296.965455] ? __lock_is_held+0xb5/0x140 [ 296.969543] __alloc_pages_nodemask+0xa80/0xde0 [ 296.974228] ? zap_class+0x640/0x640 [ 296.977985] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 296.983026] ? find_held_lock+0x36/0x1c0 [ 296.987099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.991777] ? lock_downgrade+0x900/0x900 [ 296.995934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.001502] cache_grow_begin+0xa5/0x8c0 [ 297.005565] ? do_raw_spin_unlock+0xa7/0x330 [ 297.009987] fallback_alloc+0x204/0x2e0 [ 297.013985] ____cache_alloc_node+0x1c7/0x1e0 [ 297.018491] kmem_cache_alloc_node+0xe3/0x730 [ 297.022988] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.027233] __alloc_skb+0x119/0x770 [ 297.030965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.036259] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.040669] ? lock_downgrade+0x900/0x900 [ 297.044826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.050368] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.055822] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.061278] ? addrconf_rs_timer+0x690/0x690 [ 297.065735] ndisc_alloc_skb+0x144/0x340 [ 297.069803] ndisc_send_rs+0x331/0x6e0 [ 297.073700] addrconf_rs_timer+0x314/0x690 [ 297.077949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.082214] call_timer_fn+0x272/0x920 [ 297.086118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.090355] ? process_timeout+0x40/0x40 [ 297.094435] ? mark_held_locks+0xc7/0x130 [ 297.098590] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.103081] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.107573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.111811] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.116396] ? trace_hardirqs_on+0xbd/0x310 [ 297.120724] ? kasan_check_read+0x11/0x20 [ 297.124875] ? __run_timers+0x7da/0xc70 [ 297.128852] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.133963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.138203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.142445] __run_timers+0x7e5/0xc70 [ 297.146257] ? timer_fixup_init+0x70/0x70 [ 297.150434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.155489] ? zap_class+0x640/0x640 [ 297.159208] ? print_usage_bug+0xc0/0xc0 [ 297.163298] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.168501] ? find_held_lock+0x36/0x1c0 [ 297.172570] ? zap_class+0x640/0x640 [ 297.176291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.181836] ? check_preemption_disabled+0x48/0x280 [ 297.186879] ? __lock_is_held+0xb5/0x140 [ 297.190948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.196504] ? check_preemption_disabled+0x48/0x280 [ 297.201532] run_timer_softirq+0x52/0xb0 [ 297.205681] ? rcu_read_lock_sched_held+0x14f/0x180 [ 297.210714] __do_softirq+0x308/0xb7e [ 297.214517] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 297.219016] ? lock_downgrade+0x900/0x900 [ 297.223172] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 297.228283] ? pvclock_read_flags+0x160/0x160 [ 297.232781] ? lapic_next_event+0x5a/0x90 [ 297.236936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.242485] ? kvm_clock_read+0x18/0x30 [ 297.246473] ? kvm_sched_clock_read+0x9/0x20 [ 297.250881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.256442] ? check_preemption_disabled+0x48/0x280 [ 297.261504] irq_exit+0x17f/0x1c0 [ 297.264998] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.269838] ? smp_reschedule_interrupt+0x109/0x650 [ 297.274857] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.280740] ? interrupt_entry+0xb5/0xc0 [ 297.284821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.289847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.294901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.299761] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.304773] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.309786] ? task_prio+0x50/0x50 [ 297.313356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.318898] ? check_preemption_disabled+0x48/0x280 [ 297.323940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.328797] apic_timer_interrupt+0xf/0x20 [ 297.333024] [ 297.335263] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 297.340458] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 297.359356] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.367077] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 297.374377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 297.381648] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 297.388914] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 297.396198] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 297.403502] retint_kernel+0x1b/0x2d [ 297.407243] RIP: 0010:dump_stack+0x358/0x39d [ 297.411655] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 297.430555] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 297.438265] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 297.445533] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 297.452802] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 297.460085] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 297.467355] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 297.474642] ? dump_stack+0x34f/0x39d [ 297.478460] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.483664] dump_header+0x27b/0xf72 [ 297.487389] ? mark_held_locks+0x130/0x130 [ 297.491765] ? pagefault_out_of_memory+0x197/0x197 [ 297.496701] ? __lock_acquire+0x62f/0x4c20 [ 297.500937] ? zap_class+0x640/0x640 [ 297.504660] ? percpu_ref_get_many+0x240/0x240 [ 297.509245] ? print_usage_bug+0xc0/0xc0 [ 297.513327] ? print_usage_bug+0xc0/0xc0 [ 297.517400] ? zap_class+0x640/0x640 [ 297.521127] ? print_usage_bug+0xc0/0xc0 [ 297.525189] ? print_usage_bug+0xc0/0xc0 [ 297.529257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.534820] ? find_held_lock+0x36/0x1c0 [ 297.538921] ? mark_held_locks+0xc7/0x130 [ 297.543090] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.548195] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.553300] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 297.557886] ? trace_hardirqs_on+0xbd/0x310 [ 297.562240] ? kasan_check_read+0x11/0x20 [ 297.566389] ? ___ratelimit+0x3b4/0x672 [ 297.570385] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.575488] ? trace_hardirqs_on+0x310/0x310 [ 297.579911] ? lock_downgrade+0x900/0x900 [ 297.584072] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.589209] ? ___ratelimit+0x3b9/0x672 [ 297.593191] ? idr_get_free+0xf70/0xf70 [ 297.597163] ? find_held_lock+0x36/0x1c0 [ 297.601235] oom_kill_process.cold.27+0x10/0x903 [ 297.605990] ? zap_class+0x640/0x640 [ 297.609706] ? check_preemption_disabled+0x48/0x280 [ 297.614729] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.619660] ? kasan_check_read+0x11/0x20 [ 297.623809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.629103] ? oom_evaluate_task+0x540/0x540 [ 297.633517] ? find_held_lock+0x36/0x1c0 [ 297.637619] ? out_of_memory+0x974/0x1430 [ 297.641775] ? lock_downgrade+0x900/0x900 [ 297.645925] ? check_preemption_disabled+0x48/0x280 [ 297.650956] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.655898] ? kasan_check_read+0x11/0x20 [ 297.660048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.665324] ? rcu_softirq_qs+0x20/0x20 [ 297.669315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.674860] ? oom_evaluate_task+0x302/0x540 [ 297.679381] out_of_memory+0xa84/0x1430 [ 297.683363] ? oom_killer_disable+0x3a0/0x3a0 [ 297.687858] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 297.692807] ? __ww_mutex_check_waiters+0x160/0x160 [ 297.697836] __alloc_pages_slowpath+0x2354/0x2e10 [ 297.702711] ? warn_alloc+0x120/0x120 [ 297.706520] ? warn_alloc+0x120/0x120 [ 297.710330] ? warn_alloc+0x120/0x120 [ 297.714129] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.719233] ? print_usage_bug+0xc0/0xc0 [ 297.723295] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 297.727881] ? print_usage_bug+0xc0/0xc0 [ 297.731977] ? print_usage_bug+0xc0/0xc0 [ 297.736044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.741603] ? should_fail+0x22d/0xd01 [ 297.745496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.750600] ? zap_class+0x640/0x640 [ 297.754341] ? __lock_is_held+0xb5/0x140 [ 297.758412] ? zap_class+0x640/0x640 [ 297.762170] ? lock_release+0xa00/0xa00 [ 297.766147] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.771617] ? check_preemption_disabled+0x48/0x280 [ 297.776656] ? __might_sleep+0x95/0x190 [ 297.780648] __alloc_pages_nodemask+0xa80/0xde0 [ 297.785330] ? zap_class+0x640/0x640 [ 297.789052] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 297.794086] ? mark_held_locks+0xc7/0x130 [ 297.798237] ? cache_grow_begin+0x65/0x8c0 [ 297.802495] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 297.807109] ? trace_hardirqs_on+0xbd/0x310 [ 297.811462] ? fallback_alloc+0x204/0x2e0 [ 297.815633] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.820742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.826284] cache_grow_begin+0xa5/0x8c0 [ 297.830344] ? do_raw_spin_unlock+0xa7/0x330 [ 297.834761] fallback_alloc+0x204/0x2e0 [ 297.838743] ____cache_alloc_node+0x1c7/0x1e0 [ 297.843275] kmem_cache_alloc_node+0xe3/0x730 [ 297.847800] __alloc_skb+0x119/0x770 [ 297.851536] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.855953] ? if_nlmsg_size+0x5d1/0xbb0 [ 297.860025] ? rtnetlink_put_metrics+0x690/0x690 [ 297.864797] ? sk_psock_stop_strp+0x120/0x120 [ 297.869316] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.874335] ? netif_tx_stop_all_queues+0xd9/0x110 [ 297.879268] rtmsg_ifinfo_build_skb+0x74/0x190 [ 297.883855] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 297.888702] rtmsg_ifinfo+0x8c/0xa0 [ 297.892335] dev_close_many+0x3be/0x860 [ 297.896321] ? dev_fill_metadata_dst+0x840/0x840 [ 297.901076] ? find_held_lock+0x36/0x1c0 [ 297.905147] ? __queue_work+0x671/0x1440 [ 297.909207] ? lock_downgrade+0x900/0x900 [ 297.913361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.918904] ? rtnl_is_locked+0xb5/0xf0 [ 297.922880] ? rtnl_trylock+0x20/0x20 [ 297.926683] ? do_raw_spin_unlock+0xa7/0x330 [ 297.931093] ? do_raw_spin_trylock+0x270/0x270 [ 297.935691] rollback_registered_many+0x543/0x1250 [ 297.940630] ? generic_xdp_install+0x5a0/0x5a0 [ 297.945223] ? flush_rcu_work+0x90/0x90 [ 297.949200] ? zap_class+0x640/0x640 [ 297.952920] ? print_usage_bug+0xc0/0xc0 [ 297.956988] ? print_usage_bug+0xc0/0xc0 [ 297.961051] ? zap_class+0x640/0x640 [ 297.964768] ? print_usage_bug+0xc0/0xc0 [ 297.968832] ? find_held_lock+0x36/0x1c0 [ 297.972907] ? mark_held_locks+0xc7/0x130 [ 297.977060] rollback_registered+0x1e9/0x420 [ 297.981485] ? lockdep_hardirqs_on+0x321/0x5b0 [ 297.986068] ? rollback_registered_many+0x1250/0x1250 [ 297.991258] ? trace_hardirqs_on+0xbd/0x310 [ 297.995585] ? linkwatch_schedule_work+0x150/0x170 [ 298.000518] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.005627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.011169] ? rtnl_is_locked+0xb5/0xf0 [ 298.015167] ? rtnl_trylock+0x20/0x20 [ 298.018978] ? queue_delayed_work_on+0x130/0x1f0 [ 298.023846] unregister_netdevice_queue+0x321/0x5e0 [ 298.028867] ? rollback_registered+0x420/0x420 [ 298.033468] ? linkwatch_schedule_work+0x170/0x170 [ 298.038402] ? tun_setup+0x2d0/0x2d0 [ 298.042157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.047787] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 298.053165] ? __tun_detach+0x6ba/0x15c0 [ 298.057236] __tun_detach+0x11b8/0x15c0 [ 298.061233] ? __call_rcu.constprop.55+0x3ea/0x950 [ 298.066162] ? __call_rcu.constprop.55+0x3ea/0x950 [ 298.071100] ? tun_attach+0x1900/0x1900 [ 298.075074] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.080180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.085725] ? check_preemption_disabled+0x48/0x280 [ 298.090745] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.095334] ? zap_class+0x640/0x640 [ 298.099049] ? fsnotify+0x4e5/0xf20 [ 298.102679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.108214] ? locks_remove_file+0x3c6/0x5c0 [ 298.112625] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.118167] ? ima_file_free+0x132/0x650 [ 298.122243] ? __lock_is_held+0xb5/0x140 [ 298.126311] ? __tun_detach+0x15c0/0x15c0 [ 298.130466] ? __tun_detach+0x15c0/0x15c0 [ 298.134631] tun_chr_close+0xe3/0x180 [ 298.138440] __fput+0x385/0xa30 [ 298.141756] ? get_max_files+0x20/0x20 [ 298.145669] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.151140] ____fput+0x15/0x20 [ 298.154433] task_work_run+0x1e8/0x2a0 [ 298.158329] ? task_work_cancel+0x240/0x240 [ 298.162671] ? switch_task_namespaces+0xb8/0xd0 [ 298.167349] do_exit+0x1ad6/0x26d0 [ 298.170901] ? mm_update_next_owner+0x990/0x990 [ 298.175610] ? print_usage_bug+0xc0/0xc0 [ 298.179672] ? find_held_lock+0x36/0x1c0 [ 298.183751] ? mark_held_locks+0x130/0x130 [ 298.187995] ? __lock_acquire+0x62f/0x4c20 [ 298.192225] ? pipe_wait+0x266/0x2c0 [ 298.195954] ? lock_release+0xa00/0xa00 [ 298.199939] ? mark_held_locks+0x130/0x130 [ 298.204191] ? __mutex_lock+0x85e/0x16f0 [ 298.208253] ? __switch_to_asm+0x40/0x70 [ 298.212337] ? pipe_wait+0x266/0x2c0 [ 298.216049] ? __switch_to_asm+0x34/0x70 [ 298.220130] ? __switch_to_asm+0x40/0x70 [ 298.224195] ? mutex_trylock+0x2b0/0x2b0 [ 298.228276] ? zap_class+0x640/0x640 [ 298.232021] ? zap_class+0x640/0x640 [ 298.235740] ? find_held_lock+0x36/0x1c0 [ 298.239812] ? memset+0x31/0x40 [ 298.243132] ? find_held_lock+0x36/0x1c0 [ 298.247208] ? get_signal+0x95b/0x1980 [ 298.251095] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.255614] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.260117] do_group_exit+0x177/0x440 [ 298.264025] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.269139] ? __ia32_sys_exit+0x50/0x50 [ 298.273210] get_signal+0x8b0/0x1980 [ 298.276934] ? ptrace_notify+0x130/0x130 [ 298.281008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.286542] ? pipe_read+0x702/0x940 [ 298.290256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.295853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.301432] ? __vfs_read+0x11f/0x9b0 [ 298.305244] do_signal+0x9c/0x21c0 [ 298.308787] ? fsnotify+0xf20/0xf20 [ 298.312457] ? setup_sigcontext+0x7d0/0x7d0 [ 298.316803] ? exit_to_usermode_loop+0x8c/0x380 [ 298.321497] ? exit_to_usermode_loop+0x8c/0x380 [ 298.326172] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.330769] ? trace_hardirqs_on+0xbd/0x310 [ 298.335093] ? do_syscall_64+0x6be/0x820 [ 298.339161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.344715] exit_to_usermode_loop+0x2e5/0x380 [ 298.349304] ? __bpf_trace_sys_exit+0x30/0x30 [ 298.353854] do_syscall_64+0x6be/0x820 [ 298.357741] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.363135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.368063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.372910] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.377934] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.382966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.387818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.393004] RIP: 0033:0x410fa0 [ 298.396209] Code: Bad RIP value. [ 298.399571] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 298.407295] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 298.414573] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 298.421863] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 298.429133] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 298.436401] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 298.443696] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 298.443762] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.451057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.451066] Call Trace: [ 298.457627] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.466933] [ 298.469522] syz-executor5 cpuset=syz5 mems_allowed=0 [ 298.480000] dump_stack+0x244/0x39d [ 298.490849] ? dump_stack_print_info.cold.1+0x20/0x20 [ 298.496050] warn_alloc.cold.116+0xb7/0x1bd [ 298.500376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.505241] ? lock_downgrade+0x900/0x900 [ 298.509397] ? trace_hardirqs_off+0xb8/0x310 [ 298.513853] ? trace_hardirqs_off+0xb8/0x310 [ 298.518271] __alloc_pages_slowpath+0x26e8/0x2e10 [ 298.523141] ? warn_alloc+0x120/0x120 [ 298.526943] ? print_usage_bug+0xc0/0xc0 [ 298.531003] ? warn_alloc+0x120/0x120 [ 298.534807] ? warn_alloc+0x120/0x120 [ 298.538619] ? print_usage_bug+0xc0/0xc0 [ 298.542685] ? print_usage_bug+0xc0/0xc0 [ 298.546747] ? __lock_acquire+0x62f/0x4c20 [ 298.551005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.556560] ? should_fail+0x22d/0xd01 [ 298.560488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.565594] ? __lock_acquire+0x62f/0x4c20 [ 298.569834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.574937] ? __lock_acquire+0x62f/0x4c20 [ 298.579170] ? should_fail+0x22d/0xd01 [ 298.583541] ? find_held_lock+0x36/0x1c0 [ 298.587615] ? mark_held_locks+0x130/0x130 [ 298.591855] ? mark_held_locks+0x130/0x130 [ 298.596101] ? zap_class+0x640/0x640 [ 298.599842] ? zap_class+0x640/0x640 [ 298.603562] ? print_usage_bug+0xc0/0xc0 [ 298.607623] ? do_raw_spin_unlock+0xa7/0x330 [ 298.612032] ? zap_class+0x640/0x640 [ 298.615748] ? print_usage_bug+0xc0/0xc0 [ 298.619822] ? wq_watchdog_touch+0x9c/0xfe [ 298.624061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.629619] ? check_preemption_disabled+0x48/0x280 [ 298.634647] ? __lock_is_held+0xb5/0x140 [ 298.638831] __alloc_pages_nodemask+0xa80/0xde0 [ 298.643543] ? zap_class+0x640/0x640 [ 298.647300] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 298.652324] ? find_held_lock+0x36/0x1c0 [ 298.656415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.661103] ? lock_downgrade+0x900/0x900 [ 298.665275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.670816] cache_grow_begin+0xa5/0x8c0 [ 298.674882] ? do_raw_spin_unlock+0xa7/0x330 [ 298.679302] fallback_alloc+0x204/0x2e0 [ 298.683281] ____cache_alloc_node+0x1c7/0x1e0 [ 298.687801] kmem_cache_alloc_node+0xe3/0x730 [ 298.692299] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.696574] __alloc_skb+0x119/0x770 [ 298.700288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.705576] ? netdev_alloc_frag+0x1f0/0x1f0 [ 298.709989] ? lock_downgrade+0x900/0x900 [ 298.714309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.719900] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.725356] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.730824] ? addrconf_rs_timer+0x690/0x690 [ 298.735245] ndisc_alloc_skb+0x144/0x340 [ 298.739316] ndisc_send_rs+0x331/0x6e0 [ 298.743211] addrconf_rs_timer+0x314/0x690 [ 298.747500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.751749] call_timer_fn+0x272/0x920 [ 298.755636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.759875] ? process_timeout+0x40/0x40 [ 298.763945] ? __run_timers+0x7da/0xc70 [ 298.767935] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.772462] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.776971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.781208] ? lockdep_hardirqs_on+0x296/0x5b0 [ 298.785795] ? trace_hardirqs_on+0xbd/0x310 [ 298.790119] ? kasan_check_read+0x11/0x20 [ 298.794273] ? __run_timers+0x7da/0xc70 [ 298.798278] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.803396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.807670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.811904] __run_timers+0x7e5/0xc70 [ 298.815718] ? timer_fixup_init+0x70/0x70 [ 298.819872] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.824890] ? zap_class+0x640/0x640 [ 298.828624] ? enqueue_hrtimer+0x1a5/0x560 [ 298.832886] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.838080] ? find_held_lock+0x36/0x1c0 [ 298.842149] ? zap_class+0x640/0x640 [ 298.845866] ? pvclock_read_flags+0x160/0x160 [ 298.850381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.855923] ? check_preemption_disabled+0x48/0x280 [ 298.860967] ? __lock_is_held+0xb5/0x140 [ 298.865032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.870568] ? check_preemption_disabled+0x48/0x280 [ 298.875606] run_timer_softirq+0x52/0xb0 [ 298.879768] ? rcu_read_lock_sched_held+0x14f/0x180 [ 298.884786] __do_softirq+0x308/0xb7e [ 298.888592] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 298.893087] ? lock_downgrade+0x900/0x900 [ 298.897259] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 298.902396] ? pvclock_read_flags+0x160/0x160 [ 298.906911] ? lapic_next_event+0x5a/0x90 [ 298.911076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.916618] ? kvm_clock_read+0x18/0x30 [ 298.920592] ? kvm_sched_clock_read+0x9/0x20 [ 298.925032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.930589] ? check_preemption_disabled+0x48/0x280 [ 298.935621] irq_exit+0x17f/0x1c0 [ 298.939077] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.943921] ? smp_reschedule_interrupt+0x109/0x650 [ 298.948942] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.954827] ? interrupt_entry+0xb5/0xc0 [ 298.958918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.963947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.968965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.973809] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.978839] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.983855] ? task_prio+0x50/0x50 [ 298.987400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.992954] ? check_preemption_disabled+0x48/0x280 [ 298.997976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.002858] apic_timer_interrupt+0xf/0x20 [ 299.007085] [ 299.009327] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 299.015212] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 299.034109] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.041843] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 299.049123] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 299.056389] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 299.063685] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 299.070956] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 299.078266] ? save_stack+0xa9/0xd0 [ 299.081913] __kmalloc_node_track_caller+0x3c/0x70 [ 299.086849] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 299.091614] pskb_expand_head+0x230/0x10f0 [ 299.095856] ? memcpy+0x45/0x50 [ 299.099141] ? __copy_skb_header+0x350/0x6b0 [ 299.103567] ? skb_release_data+0x880/0x880 [ 299.107890] ? __alloc_skb+0x770/0x770 [ 299.111787] ? __lock_is_held+0xb5/0x140 [ 299.115856] ? kasan_check_write+0x14/0x20 [ 299.120089] ? __skb_clone+0x6c7/0xa00 [ 299.123982] ? __copy_skb_header+0x6b0/0x6b0 [ 299.128387] ? kmem_cache_alloc+0x33a/0x730 [ 299.132722] skb_ensure_writable+0x3dd/0x640 [ 299.137137] ? skb_checksum_setup+0xaa0/0xaa0 [ 299.141649] ? check_preemption_disabled+0x48/0x280 [ 299.146672] ? __this_cpu_preempt_check+0x1c/0x20 [ 299.151517] ? __bpf_redirect+0x54b/0xb20 [ 299.155672] bpf_clone_redirect+0x14a/0x490 [ 299.160002] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 299.165021] ? __sched_text_start+0x8/0x8 [ 299.169185] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 299.173762] ? retint_kernel+0x2d/0x2d [ 299.177670] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.182606] ? find_held_lock+0x36/0x1c0 [ 299.186678] ? lock_acquire+0x1ed/0x520 [ 299.190655] ? bpf_test_run+0x3cb/0x780 [ 299.194646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.200185] ? check_preemption_disabled+0x48/0x280 [ 299.205209] ? kasan_check_read+0x11/0x20 [ 299.209356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.214635] ? rcu_softirq_qs+0x20/0x20 [ 299.218610] ? preempt_schedule+0x4d/0x60 [ 299.222762] ? ___preempt_schedule+0x16/0x18 [ 299.227184] ? bpf_test_run+0x25d/0x780 [ 299.231169] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.235581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.241133] ? bpf_test_init.isra.10+0x70/0x100 [ 299.245810] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 299.250579] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 299.255429] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.260984] ? fput+0x130/0x1a0 [ 299.264294] ? __bpf_prog_get+0x9b/0x290 [ 299.268359] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 299.273200] ? bpf_prog_test_run+0x130/0x1a0 [ 299.277612] ? __x64_sys_bpf+0x3d8/0x520 [ 299.281671] ? bpf_prog_get+0x20/0x20 [ 299.285493] ? do_syscall_64+0x1b9/0x820 [ 299.289551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.294913] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.299839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.304700] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.309716] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.314757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.319795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.324664] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.330050] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 299.330056] warn_alloc_show_mem: 1 callbacks suppressed [ 299.330063] Mem-Info: [ 299.337338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.342699] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 299.342699] active_file:12 inactive_file:13 isolated_file:0 [ 299.342699] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.342699] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 299.342699] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 299.342699] free:13733 free_pcp:586 free_cma:0 [ 299.345102] Call Trace: [ 299.354527] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.387369] [ 299.389942] 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 [ 299.417362] dump_stack+0x244/0x39d [ 299.419489] lowmem_reserve[]: 0 2818 6321 6321 [ 299.445594] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.449194] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 299.453777] warn_alloc.cold.116+0xb7/0x1bd [ 299.458932] lowmem_reserve[]: 0 0 3503 3503 [ 299.486539] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.490835] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 299.495164] ? lock_downgrade+0x900/0x900 [ 299.499981] lowmem_reserve[]: 0 0 0 0 [ 299.528959] ? trace_hardirqs_off+0xb8/0x310 [ 299.533093] 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 [ 299.536890] ? trace_hardirqs_off+0xb8/0x310 [ 299.541269] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 299.554805] __alloc_pages_slowpath+0x26e8/0x2e10 [ 299.559191] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 299.574559] ? warn_alloc+0x120/0x120 [ 299.579364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.593224] ? print_usage_bug+0xc0/0xc0 [ 299.597005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.605839] ? warn_alloc+0x120/0x120 [ 299.609890] 269 total pagecache pages [ 299.618464] ? warn_alloc+0x120/0x120 [ 299.622261] 0 pages in swap cache [ 299.626048] ? print_usage_bug+0xc0/0xc0 [ 299.629836] Swap cache stats: add 0, delete 0, find 0/0 [ 299.633275] ? kvm_clock_read+0x18/0x30 [ 299.637324] Free swap = 0kB [ 299.642693] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 299.646669] Total swap = 0kB [ 299.649681] ? print_usage_bug+0xc0/0xc0 [ 299.654673] 1965979 pages RAM [ 299.657688] ? __lock_acquire+0x62f/0x4c20 [ 299.661724] 0 pages HighMem/MovableOnly [ 299.664824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.669034] 342853 pages reserved [ 299.673017] ? should_fail+0x22d/0xd01 [ 299.678531] 0 pages cma reserved [ 299.681981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.685927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.689242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.694578] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.700985] ? __lock_acquire+0x62f/0x4c20 [ 299.706079] syz-executor0 cpuset=syz0 mems_allowed=0 [ 299.716560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.731009] ? __lock_acquire+0x62f/0x4c20 [ 299.735256] ? should_fail+0x22d/0xd01 [ 299.739142] ? rcu_irq_exit+0x1a2/0x390 [ 299.743126] ? mark_held_locks+0x130/0x130 [ 299.747366] ? mark_held_locks+0x130/0x130 [ 299.751608] ? mark_held_locks+0xc7/0x130 [ 299.755774] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 299.760790] ? zap_class+0x640/0x640 [ 299.764518] ? print_usage_bug+0xc0/0xc0 [ 299.768582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.774164] ? check_preemption_disabled+0x48/0x280 [ 299.779190] ? __lock_is_held+0xb5/0x140 [ 299.783254] __alloc_pages_nodemask+0xa80/0xde0 [ 299.787921] ? zap_class+0x640/0x640 [ 299.791661] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 299.796696] ? find_held_lock+0x36/0x1c0 [ 299.800793] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.805462] ? lock_downgrade+0x900/0x900 [ 299.809618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.815162] cache_grow_begin+0xa5/0x8c0 [ 299.819235] ? do_raw_spin_unlock+0xa7/0x330 [ 299.823652] fallback_alloc+0x204/0x2e0 [ 299.827638] ____cache_alloc_node+0x1c7/0x1e0 [ 299.832152] kmem_cache_alloc_node+0xe3/0x730 [ 299.836660] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.840910] __alloc_skb+0x119/0x770 [ 299.844638] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.849917] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.854334] ? lock_downgrade+0x900/0x900 [ 299.858494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.864032] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.869499] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.874965] ? addrconf_rs_timer+0x690/0x690 [ 299.879397] ndisc_alloc_skb+0x144/0x340 [ 299.883473] ndisc_send_rs+0x331/0x6e0 [ 299.887375] addrconf_rs_timer+0x314/0x690 [ 299.891613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.895873] call_timer_fn+0x272/0x920 [ 299.899758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.904013] ? process_timeout+0x40/0x40 [ 299.908084] ? mark_held_locks+0xc7/0x130 [ 299.912321] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.916815] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.921306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.925537] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.930119] ? trace_hardirqs_on+0xbd/0x310 [ 299.934449] ? kasan_check_read+0x11/0x20 [ 299.938595] ? __run_timers+0x7da/0xc70 [ 299.942587] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.947709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.951952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.956188] __run_timers+0x7e5/0xc70 [ 299.959998] ? timer_fixup_init+0x70/0x70 [ 299.964147] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.969163] ? zap_class+0x640/0x640 [ 299.972880] ? print_usage_bug+0xc0/0xc0 [ 299.976948] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.982162] ? find_held_lock+0x36/0x1c0 [ 299.986232] ? zap_class+0x640/0x640 [ 299.989961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.995549] ? check_preemption_disabled+0x48/0x280 [ 300.000590] ? __lock_is_held+0xb5/0x140 [ 300.004654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.010214] ? check_preemption_disabled+0x48/0x280 [ 300.015237] run_timer_softirq+0x52/0xb0 [ 300.019301] ? rcu_read_lock_sched_held+0x14f/0x180 [ 300.024323] __do_softirq+0x308/0xb7e [ 300.028133] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 300.032627] ? lock_downgrade+0x900/0x900 [ 300.036807] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 300.041950] ? pvclock_read_flags+0x160/0x160 [ 300.046463] ? lapic_next_event+0x5a/0x90 [ 300.050623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.056170] ? kvm_clock_read+0x18/0x30 [ 300.060146] ? kvm_sched_clock_read+0x9/0x20 [ 300.064558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.070096] ? check_preemption_disabled+0x48/0x280 [ 300.075124] irq_exit+0x17f/0x1c0 [ 300.078581] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.083436] ? smp_reschedule_interrupt+0x109/0x650 [ 300.088475] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.094360] ? interrupt_entry+0xb5/0xc0 [ 300.098434] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.103455] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.108481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.113354] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.118374] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.123401] ? task_prio+0x50/0x50 [ 300.126995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.132534] ? check_preemption_disabled+0x48/0x280 [ 300.137559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.142432] apic_timer_interrupt+0xf/0x20 [ 300.146676] [ 300.148915] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 300.154122] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 300.173022] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.180767] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 300.188048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 300.195331] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 300.202598] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 300.209869] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 300.217171] retint_kernel+0x1b/0x2d [ 300.220889] RIP: 0010:dump_stack+0x358/0x39d [ 300.225314] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 300.244214] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 300.251920] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 300.259203] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 300.266472] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 300.273740] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 300.281007] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 300.288310] ? dump_stack+0x34f/0x39d [ 300.292125] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.297337] dump_header+0x27b/0xf72 [ 300.301085] ? mark_held_locks+0x130/0x130 [ 300.305337] ? pagefault_out_of_memory+0x197/0x197 [ 300.310274] ? __lock_acquire+0x62f/0x4c20 [ 300.314512] ? zap_class+0x640/0x640 [ 300.318233] ? percpu_ref_get_many+0x240/0x240 [ 300.322818] ? print_usage_bug+0xc0/0xc0 [ 300.326881] ? print_usage_bug+0xc0/0xc0 [ 300.330989] ? zap_class+0x640/0x640 [ 300.334719] ? print_usage_bug+0xc0/0xc0 [ 300.338784] ? print_usage_bug+0xc0/0xc0 [ 300.342856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.348399] ? find_held_lock+0x36/0x1c0 [ 300.352479] ? mark_held_locks+0xc7/0x130 [ 300.356632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.361737] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.366841] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.371437] ? trace_hardirqs_on+0xbd/0x310 [ 300.375766] ? kasan_check_read+0x11/0x20 [ 300.379914] ? ___ratelimit+0x3b4/0x672 [ 300.383910] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.389013] ? trace_hardirqs_on+0x310/0x310 [ 300.393419] ? lock_downgrade+0x900/0x900 [ 300.397582] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.402714] ? ___ratelimit+0x3b9/0x672 [ 300.406687] ? idr_get_free+0xf70/0xf70 [ 300.410662] ? find_held_lock+0x36/0x1c0 [ 300.414732] oom_kill_process.cold.27+0x10/0x903 [ 300.419493] ? zap_class+0x640/0x640 [ 300.423221] ? check_preemption_disabled+0x48/0x280 [ 300.428241] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.433171] ? kasan_check_read+0x11/0x20 [ 300.437316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.442624] ? oom_evaluate_task+0x540/0x540 [ 300.447034] ? find_held_lock+0x36/0x1c0 [ 300.451103] ? out_of_memory+0x974/0x1430 [ 300.455255] ? lock_downgrade+0x900/0x900 [ 300.459401] ? check_preemption_disabled+0x48/0x280 [ 300.464436] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.469369] ? kasan_check_read+0x11/0x20 [ 300.473571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.478862] ? rcu_softirq_qs+0x20/0x20 [ 300.482856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.488387] ? oom_evaluate_task+0x302/0x540 [ 300.492800] out_of_memory+0xa84/0x1430 [ 300.496785] ? oom_killer_disable+0x3a0/0x3a0 [ 300.501299] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 300.506252] ? __ww_mutex_check_waiters+0x160/0x160 [ 300.511281] __alloc_pages_slowpath+0x2354/0x2e10 [ 300.516152] ? warn_alloc+0x120/0x120 [ 300.519958] ? warn_alloc+0x120/0x120 [ 300.523763] ? warn_alloc+0x120/0x120 [ 300.527564] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.532679] ? print_usage_bug+0xc0/0xc0 [ 300.536740] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.541328] ? print_usage_bug+0xc0/0xc0 [ 300.545396] ? print_usage_bug+0xc0/0xc0 [ 300.549472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.555008] ? should_fail+0x22d/0xd01 [ 300.558897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.564003] ? zap_class+0x640/0x640 [ 300.567751] ? __lock_is_held+0xb5/0x140 [ 300.571815] ? zap_class+0x640/0x640 [ 300.575533] ? lock_release+0xa00/0xa00 [ 300.579508] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.585080] ? check_preemption_disabled+0x48/0x280 [ 300.590105] ? __might_sleep+0x95/0x190 [ 300.594079] __alloc_pages_nodemask+0xa80/0xde0 [ 300.598761] ? zap_class+0x640/0x640 [ 300.602495] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 300.607521] ? mark_held_locks+0xc7/0x130 [ 300.611674] ? cache_grow_begin+0x65/0x8c0 [ 300.615912] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.620498] ? trace_hardirqs_on+0xbd/0x310 [ 300.624832] ? fallback_alloc+0x204/0x2e0 [ 300.628981] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.634088] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.639646] cache_grow_begin+0xa5/0x8c0 [ 300.643707] ? do_raw_spin_unlock+0xa7/0x330 [ 300.648150] fallback_alloc+0x204/0x2e0 [ 300.652130] ____cache_alloc_node+0x1c7/0x1e0 [ 300.656628] kmem_cache_alloc_node+0xe3/0x730 [ 300.661134] __alloc_skb+0x119/0x770 [ 300.664856] ? netdev_alloc_frag+0x1f0/0x1f0 [ 300.669264] ? if_nlmsg_size+0x5d1/0xbb0 [ 300.673331] ? rtnetlink_put_metrics+0x690/0x690 [ 300.678096] ? sk_psock_stop_strp+0x120/0x120 [ 300.682592] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 300.687604] ? netif_tx_stop_all_queues+0xd9/0x110 [ 300.692541] rtmsg_ifinfo_build_skb+0x74/0x190 [ 300.697132] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 300.701979] rtmsg_ifinfo+0x8c/0xa0 [ 300.705615] dev_close_many+0x3be/0x860 [ 300.709621] ? dev_fill_metadata_dst+0x840/0x840 [ 300.714889] ? find_held_lock+0x36/0x1c0 [ 300.718968] ? __queue_work+0x671/0x1440 [ 300.723033] ? lock_downgrade+0x900/0x900 [ 300.727197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.732731] ? rtnl_is_locked+0xb5/0xf0 [ 300.736706] ? rtnl_trylock+0x20/0x20 [ 300.740517] ? do_raw_spin_unlock+0xa7/0x330 [ 300.744929] ? do_raw_spin_trylock+0x270/0x270 [ 300.749523] rollback_registered_many+0x543/0x1250 [ 300.754463] ? generic_xdp_install+0x5a0/0x5a0 [ 300.759051] ? flush_rcu_work+0x90/0x90 [ 300.763026] ? zap_class+0x640/0x640 [ 300.766755] ? print_usage_bug+0xc0/0xc0 [ 300.770853] ? print_usage_bug+0xc0/0xc0 [ 300.774951] ? zap_class+0x640/0x640 [ 300.778672] ? print_usage_bug+0xc0/0xc0 [ 300.782742] ? find_held_lock+0x36/0x1c0 [ 300.786830] ? mark_held_locks+0xc7/0x130 [ 300.790986] rollback_registered+0x1e9/0x420 [ 300.795389] ? lockdep_hardirqs_on+0x321/0x5b0 [ 300.799974] ? rollback_registered_many+0x1250/0x1250 [ 300.805164] ? trace_hardirqs_on+0xbd/0x310 [ 300.809500] ? linkwatch_schedule_work+0x150/0x170 [ 300.814439] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.819545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.825077] ? rtnl_is_locked+0xb5/0xf0 [ 300.829048] ? rtnl_trylock+0x20/0x20 [ 300.832852] ? queue_delayed_work_on+0x130/0x1f0 [ 300.837614] unregister_netdevice_queue+0x321/0x5e0 [ 300.842637] ? rollback_registered+0x420/0x420 [ 300.847220] ? linkwatch_schedule_work+0x170/0x170 [ 300.852151] ? tun_setup+0x2d0/0x2d0 [ 300.855883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.861431] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 300.866811] ? __tun_detach+0x6ba/0x15c0 [ 300.870883] __tun_detach+0x11b8/0x15c0 [ 300.874856] ? __call_rcu.constprop.55+0x3ea/0x950 [ 300.879785] ? __call_rcu.constprop.55+0x3ea/0x950 [ 300.884737] ? tun_attach+0x1900/0x1900 [ 300.888710] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.893828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.899370] ? check_preemption_disabled+0x48/0x280 [ 300.904392] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.909017] ? zap_class+0x640/0x640 [ 300.912751] ? fsnotify+0x4e5/0xf20 [ 300.916379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.921916] ? locks_remove_file+0x3c6/0x5c0 [ 300.926346] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.931888] ? ima_file_free+0x132/0x650 [ 300.935976] ? __lock_is_held+0xb5/0x140 [ 300.940046] ? __tun_detach+0x15c0/0x15c0 [ 300.944200] ? __tun_detach+0x15c0/0x15c0 [ 300.948352] tun_chr_close+0xe3/0x180 [ 300.952158] __fput+0x385/0xa30 [ 300.955454] ? get_max_files+0x20/0x20 [ 300.959354] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.964822] ____fput+0x15/0x20 [ 300.968143] task_work_run+0x1e8/0x2a0 [ 300.972038] ? task_work_cancel+0x240/0x240 [ 300.976365] ? switch_task_namespaces+0xb8/0xd0 [ 300.981054] do_exit+0x1ad6/0x26d0 [ 300.984620] ? mm_update_next_owner+0x990/0x990 [ 300.989294] ? print_usage_bug+0xc0/0xc0 [ 300.993362] ? find_held_lock+0x36/0x1c0 [ 300.997459] ? mark_held_locks+0x130/0x130 [ 301.001709] ? __lock_acquire+0x62f/0x4c20 [ 301.005977] ? pipe_wait+0x266/0x2c0 [ 301.009718] ? lock_release+0xa00/0xa00 [ 301.013705] ? mark_held_locks+0x130/0x130 [ 301.017985] ? __mutex_lock+0x85e/0x16f0 [ 301.022060] ? __switch_to_asm+0x40/0x70 [ 301.026124] ? pipe_wait+0x266/0x2c0 [ 301.029838] ? __switch_to_asm+0x34/0x70 [ 301.033896] ? __switch_to_asm+0x40/0x70 [ 301.037979] ? mutex_trylock+0x2b0/0x2b0 [ 301.042039] ? zap_class+0x640/0x640 [ 301.045788] ? zap_class+0x640/0x640 [ 301.049502] ? find_held_lock+0x36/0x1c0 [ 301.053575] ? memset+0x31/0x40 [ 301.056864] ? find_held_lock+0x36/0x1c0 [ 301.060936] ? get_signal+0x95b/0x1980 [ 301.064860] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.069359] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.073888] do_group_exit+0x177/0x440 [ 301.077794] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.082911] ? __ia32_sys_exit+0x50/0x50 [ 301.086986] get_signal+0x8b0/0x1980 [ 301.090706] ? ptrace_notify+0x130/0x130 [ 301.094773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.100310] ? pipe_read+0x702/0x940 [ 301.104027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.109585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.115122] ? __vfs_read+0x11f/0x9b0 [ 301.118950] do_signal+0x9c/0x21c0 [ 301.122508] ? fsnotify+0xf20/0xf20 [ 301.126153] ? setup_sigcontext+0x7d0/0x7d0 [ 301.130494] ? exit_to_usermode_loop+0x8c/0x380 [ 301.135166] ? exit_to_usermode_loop+0x8c/0x380 [ 301.139836] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 301.144429] ? trace_hardirqs_on+0xbd/0x310 [ 301.148793] ? do_syscall_64+0x6be/0x820 [ 301.152875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.158429] exit_to_usermode_loop+0x2e5/0x380 [ 301.163020] ? __bpf_trace_sys_exit+0x30/0x30 [ 301.167529] do_syscall_64+0x6be/0x820 [ 301.171433] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.176804] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.181734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.186582] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.191603] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.196630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.201485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.206674] RIP: 0033:0x410fa0 [ 301.209892] Code: Bad RIP value. [ 301.213267] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 301.220978] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 301.228245] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 301.235516] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 301.242785] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 301.250062] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 301.257352] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 301.257446] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.264727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.264732] Call Trace: [ 301.264738] [ 301.264756] dump_stack+0x244/0x39d [ 301.264776] ? dump_stack_print_info.cold.1+0x20/0x20 [ 301.271306] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.280614] warn_alloc.cold.116+0xb7/0x1bd [ 301.283171] syz-executor5 cpuset=syz5 mems_allowed=0 [ 301.285319] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.318811] ? lock_downgrade+0x900/0x900 [ 301.322970] ? trace_hardirqs_off+0xb8/0x310 [ 301.327386] ? trace_hardirqs_off+0xb8/0x310 [ 301.331803] __alloc_pages_slowpath+0x26e8/0x2e10 [ 301.336672] ? warn_alloc+0x120/0x120 [ 301.340479] ? print_usage_bug+0xc0/0xc0 [ 301.344546] ? warn_alloc+0x120/0x120 [ 301.348351] ? warn_alloc+0x120/0x120 [ 301.352152] ? print_usage_bug+0xc0/0xc0 [ 301.356217] ? kvm_clock_read+0x18/0x30 [ 301.360238] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.365284] ? print_usage_bug+0xc0/0xc0 [ 301.369359] ? __lock_acquire+0x62f/0x4c20 [ 301.373601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.379158] ? should_fail+0x22d/0xd01 [ 301.383050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.388331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.393478] ? __lock_acquire+0x62f/0x4c20 [ 301.397726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.402841] ? __lock_acquire+0x62f/0x4c20 [ 301.407077] ? should_fail+0x22d/0xd01 [ 301.410964] ? rcu_irq_exit+0x1a2/0x390 [ 301.414965] ? mark_held_locks+0x130/0x130 [ 301.419208] ? mark_held_locks+0x130/0x130 [ 301.423460] ? mark_held_locks+0xc7/0x130 [ 301.427614] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 301.432641] ? zap_class+0x640/0x640 [ 301.436357] ? print_usage_bug+0xc0/0xc0 [ 301.440434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.445979] ? check_preemption_disabled+0x48/0x280 [ 301.451024] ? __lock_is_held+0xb5/0x140 [ 301.455091] __alloc_pages_nodemask+0xa80/0xde0 [ 301.459764] ? zap_class+0x640/0x640 [ 301.463487] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 301.468528] ? find_held_lock+0x36/0x1c0 [ 301.472619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.477287] ? lock_downgrade+0x900/0x900 [ 301.481473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.487020] cache_grow_begin+0xa5/0x8c0 [ 301.491133] ? do_raw_spin_unlock+0xa7/0x330 [ 301.495549] fallback_alloc+0x204/0x2e0 [ 301.499531] ____cache_alloc_node+0x1c7/0x1e0 [ 301.504043] kmem_cache_alloc_node+0xe3/0x730 [ 301.508552] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.512795] __alloc_skb+0x119/0x770 [ 301.516510] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.521822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.526231] ? lock_downgrade+0x900/0x900 [ 301.530389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.535938] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.541395] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.546853] ? addrconf_rs_timer+0x690/0x690 [ 301.551272] ndisc_alloc_skb+0x144/0x340 [ 301.555335] ndisc_send_rs+0x331/0x6e0 [ 301.559225] addrconf_rs_timer+0x314/0x690 [ 301.563483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.567746] call_timer_fn+0x272/0x920 [ 301.571667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.575918] ? process_timeout+0x40/0x40 [ 301.579986] ? __run_timers+0x7da/0xc70 [ 301.583962] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.588486] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.592992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.597227] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.601828] ? trace_hardirqs_on+0xbd/0x310 [ 301.606152] ? kasan_check_read+0x11/0x20 [ 301.610301] ? __run_timers+0x7da/0xc70 [ 301.614275] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.619385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.623629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.627875] __run_timers+0x7e5/0xc70 [ 301.631688] ? timer_fixup_init+0x70/0x70 [ 301.635838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.640898] ? zap_class+0x640/0x640 [ 301.644678] ? enqueue_hrtimer+0x1a5/0x560 [ 301.648945] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.654144] ? find_held_lock+0x36/0x1c0 [ 301.658241] ? zap_class+0x640/0x640 [ 301.661958] ? pvclock_read_flags+0x160/0x160 [ 301.666470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.672007] ? check_preemption_disabled+0x48/0x280 [ 301.677061] ? __lock_is_held+0xb5/0x140 [ 301.681128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.686669] ? check_preemption_disabled+0x48/0x280 [ 301.691703] run_timer_softirq+0x52/0xb0 [ 301.695768] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.700820] __do_softirq+0x308/0xb7e [ 301.704643] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 301.709136] ? lock_downgrade+0x900/0x900 [ 301.713301] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 301.718416] ? pvclock_read_flags+0x160/0x160 [ 301.722957] ? lapic_next_event+0x5a/0x90 [ 301.727106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.732704] ? kvm_clock_read+0x18/0x30 [ 301.736696] ? kvm_sched_clock_read+0x9/0x20 [ 301.741106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.746642] ? check_preemption_disabled+0x48/0x280 [ 301.751682] irq_exit+0x17f/0x1c0 [ 301.755136] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.759981] ? smp_reschedule_interrupt+0x109/0x650 [ 301.764999] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.770885] ? interrupt_entry+0xb5/0xc0 [ 301.774948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.779966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.785014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.789858] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.794874] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.799890] ? task_prio+0x50/0x50 [ 301.803462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.809033] ? check_preemption_disabled+0x48/0x280 [ 301.814068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.818919] apic_timer_interrupt+0xf/0x20 [ 301.823162] [ 301.825407] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 301.831305] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 301.850225] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.857934] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 301.865228] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 301.872514] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 301.879823] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 301.887103] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 301.894393] ? save_stack+0xa9/0xd0 [ 301.898049] __kmalloc_node_track_caller+0x3c/0x70 [ 301.902985] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 301.907748] pskb_expand_head+0x230/0x10f0 [ 301.911992] ? memcpy+0x45/0x50 [ 301.915279] ? __copy_skb_header+0x350/0x6b0 [ 301.919690] ? skb_release_data+0x880/0x880 [ 301.924011] ? __alloc_skb+0x770/0x770 [ 301.927908] ? __lock_is_held+0xb5/0x140 [ 301.931993] ? kasan_check_write+0x14/0x20 [ 301.936228] ? __skb_clone+0x6c7/0xa00 [ 301.940120] ? __copy_skb_header+0x6b0/0x6b0 [ 301.944529] ? kmem_cache_alloc+0x33a/0x730 [ 301.948865] skb_ensure_writable+0x3dd/0x640 [ 301.953296] ? skb_checksum_setup+0xaa0/0xaa0 [ 301.957799] ? check_preemption_disabled+0x48/0x280 [ 301.962825] ? __this_cpu_preempt_check+0x1c/0x20 [ 301.967669] ? __bpf_redirect+0x54b/0xb20 [ 301.971826] bpf_clone_redirect+0x14a/0x490 [ 301.976160] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 301.981199] ? __sched_text_start+0x8/0x8 [ 301.985349] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 301.989939] ? retint_kernel+0x2d/0x2d [ 301.993870] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.998819] ? find_held_lock+0x36/0x1c0 [ 302.002936] ? lock_acquire+0x1ed/0x520 [ 302.006912] ? bpf_test_run+0x3cb/0x780 [ 302.010888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.016436] ? check_preemption_disabled+0x48/0x280 [ 302.021473] ? kasan_check_read+0x11/0x20 [ 302.025641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.030917] ? rcu_softirq_qs+0x20/0x20 [ 302.034895] ? preempt_schedule+0x4d/0x60 [ 302.039057] ? ___preempt_schedule+0x16/0x18 [ 302.043496] ? bpf_test_run+0x25d/0x780 [ 302.047512] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.051926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.057484] ? bpf_test_init.isra.10+0x70/0x100 [ 302.062159] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 302.066944] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 302.071806] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.077343] ? fput+0x130/0x1a0 [ 302.080626] ? __bpf_prog_get+0x9b/0x290 [ 302.084698] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 302.089554] ? bpf_prog_test_run+0x130/0x1a0 [ 302.093965] ? __x64_sys_bpf+0x3d8/0x520 [ 302.098030] ? bpf_prog_get+0x20/0x20 [ 302.101864] ? do_syscall_64+0x1b9/0x820 [ 302.105923] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.111307] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.116235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.121082] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.126103] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.131140] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.136167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.141020] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.146417] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 302.146430] warn_alloc_show_mem: 1 callbacks suppressed [ 302.146456] Mem-Info: [ 302.153724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.159102] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 302.159102] active_file:12 inactive_file:13 isolated_file:0 [ 302.159102] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.159102] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 302.159102] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 302.159102] free:13733 free_pcp:586 free_cma:0 [ 302.161474] Call Trace: [ 302.170864] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.203720] [ 302.206289] 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 [ 302.233801] dump_stack+0x244/0x39d [ 302.235940] lowmem_reserve[]: 0 2818 6321 6321 [ 302.262047] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.265652] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 302.270234] warn_alloc.cold.116+0xb7/0x1bd [ 302.275392] lowmem_reserve[]: 0 0 3503 3503 [ 302.302974] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.307300] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 302.311615] ? lock_downgrade+0x900/0x900 [ 302.316440] lowmem_reserve[]: 0 0 0 0 [ 302.345418] ? trace_hardirqs_off+0xb8/0x310 [ 302.349549] 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 [ 302.353346] ? trace_hardirqs_off+0xb8/0x310 [ 302.357738] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 302.371260] __alloc_pages_slowpath+0x26e8/0x2e10 [ 302.375656] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 302.391105] ? warn_alloc+0x120/0x120 [ 302.395904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 302.409759] ? print_usage_bug+0xc0/0xc0 [ 302.413555] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 302.422375] ? warn_alloc+0x120/0x120 [ 302.426411] 269 total pagecache pages [ 302.434994] ? warn_alloc+0x120/0x120 [ 302.438773] 0 pages in swap cache [ 302.442561] ? print_usage_bug+0xc0/0xc0 [ 302.446343] Swap cache stats: add 0, delete 0, find 0/0 [ 302.449787] ? print_usage_bug+0xc0/0xc0 [ 302.453839] Free swap = 0kB [ 302.459194] ? __lock_acquire+0x62f/0x4c20 [ 302.463233] Total swap = 0kB [ 302.466243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.470458] 1965979 pages RAM [ 302.473471] ? should_fail+0x22d/0xd01 [ 302.478983] 0 pages HighMem/MovableOnly [ 302.482081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.485941] 342853 pages reserved [ 302.489934] ? __lock_acquire+0x62f/0x4c20 [ 302.495031] 0 pages cma reserved [ 302.498477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.502749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.506043] ? __lock_acquire+0x62f/0x4c20 [ 302.506056] ? should_fail+0x22d/0xd01 [ 302.506070] ? find_held_lock+0x36/0x1c0 [ 302.506090] ? mark_held_locks+0x130/0x130 [ 302.511220] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.517654] ? mark_held_locks+0x130/0x130 [ 302.521864] syz-executor0 cpuset=syz0 mems_allowed=0 [ 302.525746] ? zap_class+0x640/0x640 [ 302.557497] ? zap_class+0x640/0x640 [ 302.561227] ? print_usage_bug+0xc0/0xc0 [ 302.565300] ? do_raw_spin_unlock+0xa7/0x330 [ 302.569705] ? zap_class+0x640/0x640 [ 302.573418] ? print_usage_bug+0xc0/0xc0 [ 302.577500] ? wq_watchdog_touch+0x9c/0xfe [ 302.581791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.587346] ? check_preemption_disabled+0x48/0x280 [ 302.592436] ? __lock_is_held+0xb5/0x140 [ 302.596509] __alloc_pages_nodemask+0xa80/0xde0 [ 302.601182] ? zap_class+0x640/0x640 [ 302.604902] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 302.609929] ? find_held_lock+0x36/0x1c0 [ 302.614007] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.618679] ? lock_downgrade+0x900/0x900 [ 302.622833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.628551] cache_grow_begin+0xa5/0x8c0 [ 302.632612] ? do_raw_spin_unlock+0xa7/0x330 [ 302.637026] fallback_alloc+0x204/0x2e0 [ 302.641009] ____cache_alloc_node+0x1c7/0x1e0 [ 302.645530] kmem_cache_alloc_node+0xe3/0x730 [ 302.650028] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.654273] __alloc_skb+0x119/0x770 [ 302.657992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.663276] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.667686] ? lock_downgrade+0x900/0x900 [ 302.671854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.677393] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.682893] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.688358] ? addrconf_rs_timer+0x690/0x690 [ 302.692796] ndisc_alloc_skb+0x144/0x340 [ 302.696898] ndisc_send_rs+0x331/0x6e0 [ 302.700793] addrconf_rs_timer+0x314/0x690 [ 302.705050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.709295] call_timer_fn+0x272/0x920 [ 302.713185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.717920] ? process_timeout+0x40/0x40 [ 302.721996] ? mark_held_locks+0xc7/0x130 [ 302.726147] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.730641] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.735133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.739369] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.743962] ? trace_hardirqs_on+0xbd/0x310 [ 302.748288] ? kasan_check_read+0x11/0x20 [ 302.752447] ? __run_timers+0x7da/0xc70 [ 302.756448] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.761563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.765806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.770055] __run_timers+0x7e5/0xc70 [ 302.773870] ? timer_fixup_init+0x70/0x70 [ 302.778050] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.783069] ? zap_class+0x640/0x640 [ 302.786801] ? print_usage_bug+0xc0/0xc0 [ 302.790879] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.796078] ? find_held_lock+0x36/0x1c0 [ 302.800158] ? zap_class+0x640/0x640 [ 302.803875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.809413] ? check_preemption_disabled+0x48/0x280 [ 302.814453] ? __lock_is_held+0xb5/0x140 [ 302.818542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.824090] ? check_preemption_disabled+0x48/0x280 [ 302.829127] run_timer_softirq+0x52/0xb0 [ 302.833201] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.838213] __do_softirq+0x308/0xb7e [ 302.842038] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.846527] ? lock_downgrade+0x900/0x900 [ 302.850677] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.855788] ? pvclock_read_flags+0x160/0x160 [ 302.860288] ? lapic_next_event+0x5a/0x90 [ 302.864449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.870017] ? kvm_clock_read+0x18/0x30 [ 302.873984] ? kvm_sched_clock_read+0x9/0x20 [ 302.878419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.883965] ? check_preemption_disabled+0x48/0x280 [ 302.888986] irq_exit+0x17f/0x1c0 [ 302.892452] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.897321] ? smp_reschedule_interrupt+0x109/0x650 [ 302.902370] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.908263] ? interrupt_entry+0xb5/0xc0 [ 302.912337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.917352] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.922382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.927226] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.932238] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.937270] ? task_prio+0x50/0x50 [ 302.940825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.946370] ? check_preemption_disabled+0x48/0x280 [ 302.951393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.956254] apic_timer_interrupt+0xf/0x20 [ 302.960529] [ 302.962775] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 302.967969] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 302.986873] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.994581] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 303.001847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 303.009112] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 303.016382] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 303.023650] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 303.030955] retint_kernel+0x1b/0x2d [ 303.034672] RIP: 0010:dump_stack+0x358/0x39d [ 303.039079] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 303.057976] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 303.065682] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 303.072969] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 303.080248] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 303.087525] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 303.094803] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 303.102085] ? dump_stack+0x34f/0x39d [ 303.105897] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.111100] dump_header+0x27b/0xf72 [ 303.114835] ? mark_held_locks+0x130/0x130 [ 303.119076] ? pagefault_out_of_memory+0x197/0x197 [ 303.124012] ? __lock_acquire+0x62f/0x4c20 [ 303.128243] ? zap_class+0x640/0x640 [ 303.131966] ? percpu_ref_get_many+0x240/0x240 [ 303.136556] ? print_usage_bug+0xc0/0xc0 [ 303.140620] ? print_usage_bug+0xc0/0xc0 [ 303.144715] ? zap_class+0x640/0x640 [ 303.148442] ? print_usage_bug+0xc0/0xc0 [ 303.152507] ? print_usage_bug+0xc0/0xc0 [ 303.156576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.162118] ? find_held_lock+0x36/0x1c0 [ 303.166185] ? mark_held_locks+0xc7/0x130 [ 303.170373] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.175479] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.180589] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.185189] ? trace_hardirqs_on+0xbd/0x310 [ 303.189532] ? kasan_check_read+0x11/0x20 [ 303.193679] ? ___ratelimit+0x3b4/0x672 [ 303.197655] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.202759] ? trace_hardirqs_on+0x310/0x310 [ 303.207171] ? lock_downgrade+0x900/0x900 [ 303.211326] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.216435] ? ___ratelimit+0x3b9/0x672 [ 303.220462] ? idr_get_free+0xf70/0xf70 [ 303.224462] ? find_held_lock+0x36/0x1c0 [ 303.228544] oom_kill_process.cold.27+0x10/0x903 [ 303.233301] ? zap_class+0x640/0x640 [ 303.237019] ? check_preemption_disabled+0x48/0x280 [ 303.242042] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.246983] ? kasan_check_read+0x11/0x20 [ 303.251130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.256411] ? oom_evaluate_task+0x540/0x540 [ 303.260849] ? find_held_lock+0x36/0x1c0 [ 303.264918] ? out_of_memory+0x974/0x1430 [ 303.269074] ? lock_downgrade+0x900/0x900 [ 303.273222] ? check_preemption_disabled+0x48/0x280 [ 303.278245] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.283176] ? kasan_check_read+0x11/0x20 [ 303.287344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.292647] ? rcu_softirq_qs+0x20/0x20 [ 303.296639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.302189] ? oom_evaluate_task+0x302/0x540 [ 303.306615] out_of_memory+0xa84/0x1430 [ 303.310601] ? oom_killer_disable+0x3a0/0x3a0 [ 303.315100] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 303.320045] ? __ww_mutex_check_waiters+0x160/0x160 [ 303.325073] __alloc_pages_slowpath+0x2354/0x2e10 [ 303.329951] ? warn_alloc+0x120/0x120 [ 303.333777] ? warn_alloc+0x120/0x120 [ 303.337619] ? warn_alloc+0x120/0x120 [ 303.341420] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.346538] ? print_usage_bug+0xc0/0xc0 [ 303.350598] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.355185] ? print_usage_bug+0xc0/0xc0 [ 303.359252] ? print_usage_bug+0xc0/0xc0 [ 303.363317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.368854] ? should_fail+0x22d/0xd01 [ 303.372752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.377855] ? zap_class+0x640/0x640 [ 303.381625] ? __lock_is_held+0xb5/0x140 [ 303.385708] ? zap_class+0x640/0x640 [ 303.389446] ? lock_release+0xa00/0xa00 [ 303.393435] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.398906] ? check_preemption_disabled+0x48/0x280 [ 303.403935] ? __might_sleep+0x95/0x190 [ 303.407928] __alloc_pages_nodemask+0xa80/0xde0 [ 303.412642] ? zap_class+0x640/0x640 [ 303.416361] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 303.421392] ? mark_held_locks+0xc7/0x130 [ 303.425569] ? cache_grow_begin+0x65/0x8c0 [ 303.429808] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.434405] ? trace_hardirqs_on+0xbd/0x310 [ 303.438749] ? fallback_alloc+0x204/0x2e0 [ 303.442918] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.448060] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.453606] cache_grow_begin+0xa5/0x8c0 [ 303.457680] ? do_raw_spin_unlock+0xa7/0x330 [ 303.462098] fallback_alloc+0x204/0x2e0 [ 303.466092] ____cache_alloc_node+0x1c7/0x1e0 [ 303.470592] kmem_cache_alloc_node+0xe3/0x730 [ 303.475097] __alloc_skb+0x119/0x770 [ 303.478815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 303.483225] ? if_nlmsg_size+0x5d1/0xbb0 [ 303.487305] ? rtnetlink_put_metrics+0x690/0x690 [ 303.492067] ? sk_psock_stop_strp+0x120/0x120 [ 303.496556] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 303.501570] ? netif_tx_stop_all_queues+0xd9/0x110 [ 303.506519] rtmsg_ifinfo_build_skb+0x74/0x190 [ 303.511115] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 303.515967] rtmsg_ifinfo+0x8c/0xa0 [ 303.519603] dev_close_many+0x3be/0x860 [ 303.523589] ? dev_fill_metadata_dst+0x840/0x840 [ 303.528346] ? find_held_lock+0x36/0x1c0 [ 303.532414] ? __queue_work+0x671/0x1440 [ 303.536531] ? lock_downgrade+0x900/0x900 [ 303.540686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.546240] ? rtnl_is_locked+0xb5/0xf0 [ 303.550242] ? rtnl_trylock+0x20/0x20 [ 303.554041] ? do_raw_spin_unlock+0xa7/0x330 [ 303.558460] ? do_raw_spin_trylock+0x270/0x270 [ 303.563052] rollback_registered_many+0x543/0x1250 [ 303.567990] ? generic_xdp_install+0x5a0/0x5a0 [ 303.572581] ? flush_rcu_work+0x90/0x90 [ 303.576562] ? zap_class+0x640/0x640 [ 303.580279] ? print_usage_bug+0xc0/0xc0 [ 303.584343] ? print_usage_bug+0xc0/0xc0 [ 303.588433] ? zap_class+0x640/0x640 [ 303.592152] ? print_usage_bug+0xc0/0xc0 [ 303.596216] ? find_held_lock+0x36/0x1c0 [ 303.600291] ? mark_held_locks+0xc7/0x130 [ 303.604453] rollback_registered+0x1e9/0x420 [ 303.608875] ? lockdep_hardirqs_on+0x321/0x5b0 [ 303.613489] ? rollback_registered_many+0x1250/0x1250 [ 303.618694] ? trace_hardirqs_on+0xbd/0x310 [ 303.623019] ? linkwatch_schedule_work+0x150/0x170 [ 303.627956] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.633068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.638603] ? rtnl_is_locked+0xb5/0xf0 [ 303.642600] ? rtnl_trylock+0x20/0x20 [ 303.646434] ? queue_delayed_work_on+0x130/0x1f0 [ 303.651221] unregister_netdevice_queue+0x321/0x5e0 [ 303.656243] ? rollback_registered+0x420/0x420 [ 303.660829] ? linkwatch_schedule_work+0x170/0x170 [ 303.665762] ? tun_setup+0x2d0/0x2d0 [ 303.669483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.675026] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 303.680391] ? __tun_detach+0x6ba/0x15c0 [ 303.684485] __tun_detach+0x11b8/0x15c0 [ 303.688475] ? __call_rcu.constprop.55+0x3ea/0x950 [ 303.693407] ? __call_rcu.constprop.55+0x3ea/0x950 [ 303.698354] ? tun_attach+0x1900/0x1900 [ 303.702327] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.707442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.712997] ? check_preemption_disabled+0x48/0x280 [ 303.718018] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.722626] ? zap_class+0x640/0x640 [ 303.726351] ? fsnotify+0x4e5/0xf20 [ 303.729985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.735519] ? locks_remove_file+0x3c6/0x5c0 [ 303.739928] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.745467] ? ima_file_free+0x132/0x650 [ 303.749533] ? __lock_is_held+0xb5/0x140 [ 303.753603] ? __tun_detach+0x15c0/0x15c0 [ 303.757760] ? __tun_detach+0x15c0/0x15c0 [ 303.761911] tun_chr_close+0xe3/0x180 [ 303.765716] __fput+0x385/0xa30 [ 303.769009] ? get_max_files+0x20/0x20 [ 303.772910] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.778372] ____fput+0x15/0x20 [ 303.781652] task_work_run+0x1e8/0x2a0 [ 303.785571] ? task_work_cancel+0x240/0x240 [ 303.789894] ? switch_task_namespaces+0xb8/0xd0 [ 303.794595] do_exit+0x1ad6/0x26d0 [ 303.798147] ? mm_update_next_owner+0x990/0x990 [ 303.802832] ? print_usage_bug+0xc0/0xc0 [ 303.806895] ? find_held_lock+0x36/0x1c0 [ 303.810975] ? mark_held_locks+0x130/0x130 [ 303.815228] ? __lock_acquire+0x62f/0x4c20 [ 303.819465] ? pipe_wait+0x266/0x2c0 [ 303.823187] ? lock_release+0xa00/0xa00 [ 303.827176] ? mark_held_locks+0x130/0x130 [ 303.831417] ? __mutex_lock+0x85e/0x16f0 [ 303.835489] ? __switch_to_asm+0x40/0x70 [ 303.839564] ? pipe_wait+0x266/0x2c0 [ 303.843277] ? __switch_to_asm+0x34/0x70 [ 303.847332] ? __switch_to_asm+0x40/0x70 [ 303.851396] ? mutex_trylock+0x2b0/0x2b0 [ 303.855478] ? zap_class+0x640/0x640 [ 303.859206] ? zap_class+0x640/0x640 [ 303.862916] ? find_held_lock+0x36/0x1c0 [ 303.867002] ? memset+0x31/0x40 [ 303.870284] ? find_held_lock+0x36/0x1c0 [ 303.874350] ? get_signal+0x95b/0x1980 [ 303.878238] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.882736] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.887232] do_group_exit+0x177/0x440 [ 303.891118] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.896219] ? __ia32_sys_exit+0x50/0x50 [ 303.900286] get_signal+0x8b0/0x1980 [ 303.904005] ? ptrace_notify+0x130/0x130 [ 303.908071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.913603] ? pipe_read+0x702/0x940 [ 303.917343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.922890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.928435] ? __vfs_read+0x11f/0x9b0 [ 303.932238] do_signal+0x9c/0x21c0 [ 303.935776] ? fsnotify+0xf20/0xf20 [ 303.939433] ? setup_sigcontext+0x7d0/0x7d0 [ 303.943766] ? exit_to_usermode_loop+0x8c/0x380 [ 303.948501] ? exit_to_usermode_loop+0x8c/0x380 [ 303.953181] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.957770] ? trace_hardirqs_on+0xbd/0x310 [ 303.962125] ? do_syscall_64+0x6be/0x820 [ 303.966214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.971761] exit_to_usermode_loop+0x2e5/0x380 [ 303.976346] ? __bpf_trace_sys_exit+0x30/0x30 [ 303.980857] do_syscall_64+0x6be/0x820 [ 303.984746] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.990115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.995048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.999897] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.004921] ? prepare_exit_to_usermode+0x291/0x3b0 [ 304.009955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.014808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.020000] RIP: 0033:0x410fa0 [ 304.023211] Code: Bad RIP value. [ 304.026586] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 304.034292] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 304.041559] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 304.048829] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 304.056097] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 304.063366] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 304.070663] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 304.070731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.078033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.078038] Call Trace: [ 304.078044] [ 304.078076] dump_stack+0x244/0x39d [ 304.078095] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.084654] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.093971] warn_alloc.cold.116+0xb7/0x1bd [ 304.096531] syz-executor5 cpuset=syz5 mems_allowed=0 [ 304.098678] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.132179] ? lock_downgrade+0x900/0x900 [ 304.136338] ? trace_hardirqs_off+0xb8/0x310 [ 304.140756] ? trace_hardirqs_off+0xb8/0x310 [ 304.145174] __alloc_pages_slowpath+0x26e8/0x2e10 [ 304.150047] ? warn_alloc+0x120/0x120 [ 304.153851] ? print_usage_bug+0xc0/0xc0 [ 304.157917] ? warn_alloc+0x120/0x120 [ 304.161724] ? warn_alloc+0x120/0x120 [ 304.165527] ? print_usage_bug+0xc0/0xc0 [ 304.169594] ? print_usage_bug+0xc0/0xc0 [ 304.173657] ? __lock_acquire+0x62f/0x4c20 [ 304.177904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.183454] ? should_fail+0x22d/0xd01 [ 304.187354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.192465] ? __lock_acquire+0x62f/0x4c20 [ 304.196706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.201808] ? __lock_acquire+0x62f/0x4c20 [ 304.206060] ? should_fail+0x22d/0xd01 [ 304.209948] ? find_held_lock+0x36/0x1c0 [ 304.214019] ? mark_held_locks+0x130/0x130 [ 304.218261] ? mark_held_locks+0x130/0x130 [ 304.222509] ? zap_class+0x640/0x640 [ 304.226254] ? zap_class+0x640/0x640 [ 304.229991] ? print_usage_bug+0xc0/0xc0 [ 304.234047] ? do_raw_spin_unlock+0xa7/0x330 [ 304.238482] ? zap_class+0x640/0x640 [ 304.242272] ? print_usage_bug+0xc0/0xc0 [ 304.246337] ? wq_watchdog_touch+0x9c/0xfe [ 304.250579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.256118] ? check_preemption_disabled+0x48/0x280 [ 304.261148] ? __lock_is_held+0xb5/0x140 [ 304.265232] __alloc_pages_nodemask+0xa80/0xde0 [ 304.269919] ? zap_class+0x640/0x640 [ 304.273638] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 304.278700] ? find_held_lock+0x36/0x1c0 [ 304.282774] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.287513] ? lock_downgrade+0x900/0x900 [ 304.291684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.297223] cache_grow_begin+0xa5/0x8c0 [ 304.301281] ? do_raw_spin_unlock+0xa7/0x330 [ 304.305721] fallback_alloc+0x204/0x2e0 [ 304.309704] ____cache_alloc_node+0x1c7/0x1e0 [ 304.314215] kmem_cache_alloc_node+0xe3/0x730 [ 304.318709] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.322954] __alloc_skb+0x119/0x770 [ 304.326699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.331983] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.336396] ? lock_downgrade+0x900/0x900 [ 304.340569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.346107] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.351561] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.357015] ? addrconf_rs_timer+0x690/0x690 [ 304.361465] ndisc_alloc_skb+0x144/0x340 [ 304.365558] ndisc_send_rs+0x331/0x6e0 [ 304.369478] addrconf_rs_timer+0x314/0x690 [ 304.373724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.377987] call_timer_fn+0x272/0x920 [ 304.381879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.386115] ? process_timeout+0x40/0x40 [ 304.390185] ? __run_timers+0x7da/0xc70 [ 304.394166] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.398660] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.403156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.407397] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.411988] ? trace_hardirqs_on+0xbd/0x310 [ 304.416321] ? kasan_check_read+0x11/0x20 [ 304.420471] ? __run_timers+0x7da/0xc70 [ 304.424459] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.429567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.433809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.438044] __run_timers+0x7e5/0xc70 [ 304.441888] ? timer_fixup_init+0x70/0x70 [ 304.446040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.451076] ? zap_class+0x640/0x640 [ 304.454796] ? enqueue_hrtimer+0x1a5/0x560 [ 304.459034] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.464233] ? find_held_lock+0x36/0x1c0 [ 304.468306] ? zap_class+0x640/0x640 [ 304.472028] ? pvclock_read_flags+0x160/0x160 [ 304.476527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.482069] ? check_preemption_disabled+0x48/0x280 [ 304.487096] ? __lock_is_held+0xb5/0x140 [ 304.491156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.496691] ? check_preemption_disabled+0x48/0x280 [ 304.501722] run_timer_softirq+0x52/0xb0 [ 304.505787] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.510808] __do_softirq+0x308/0xb7e [ 304.514613] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.519113] ? lock_downgrade+0x900/0x900 [ 304.523268] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.528379] ? pvclock_read_flags+0x160/0x160 [ 304.532894] ? lapic_next_event+0x5a/0x90 [ 304.537040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.542586] ? kvm_clock_read+0x18/0x30 [ 304.546561] ? kvm_sched_clock_read+0x9/0x20 [ 304.550970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.556511] ? check_preemption_disabled+0x48/0x280 [ 304.561540] irq_exit+0x17f/0x1c0 [ 304.564997] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.569867] ? smp_reschedule_interrupt+0x109/0x650 [ 304.574896] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.580778] ? interrupt_entry+0xb5/0xc0 [ 304.585271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.590287] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.595303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.600145] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.605155] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.610169] ? task_prio+0x50/0x50 [ 304.613714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.619298] ? check_preemption_disabled+0x48/0x280 [ 304.624351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.629254] apic_timer_interrupt+0xf/0x20 [ 304.633508] [ 304.635766] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 304.641653] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 304.660550] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.668259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.675528] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 304.682839] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 304.690106] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 304.697386] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 304.704685] ? save_stack+0xa9/0xd0 [ 304.708337] __kmalloc_node_track_caller+0x3c/0x70 [ 304.713271] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 304.718158] pskb_expand_head+0x230/0x10f0 [ 304.722412] ? memcpy+0x45/0x50 [ 304.725725] ? __copy_skb_header+0x350/0x6b0 [ 304.730132] ? skb_release_data+0x880/0x880 [ 304.734484] ? __alloc_skb+0x770/0x770 [ 304.738378] ? __lock_is_held+0xb5/0x140 [ 304.742457] ? kasan_check_write+0x14/0x20 [ 304.746705] ? __skb_clone+0x6c7/0xa00 [ 304.750594] ? __copy_skb_header+0x6b0/0x6b0 [ 304.755002] ? kmem_cache_alloc+0x33a/0x730 [ 304.759337] skb_ensure_writable+0x3dd/0x640 [ 304.763746] ? skb_checksum_setup+0xaa0/0xaa0 [ 304.768240] ? check_preemption_disabled+0x48/0x280 [ 304.773266] ? __this_cpu_preempt_check+0x1c/0x20 [ 304.778141] ? __bpf_redirect+0x54b/0xb20 [ 304.782314] bpf_clone_redirect+0x14a/0x490 [ 304.786661] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 304.791696] ? __sched_text_start+0x8/0x8 [ 304.795847] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.800433] ? retint_kernel+0x2d/0x2d [ 304.804357] ? trace_hardirqs_on_caller+0xc0/0x310 [ 304.809323] ? find_held_lock+0x36/0x1c0 [ 304.813392] ? lock_acquire+0x1ed/0x520 [ 304.817377] ? bpf_test_run+0x3cb/0x780 [ 304.821350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.826887] ? check_preemption_disabled+0x48/0x280 [ 304.831907] ? kasan_check_read+0x11/0x20 [ 304.836064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.841397] ? rcu_softirq_qs+0x20/0x20 [ 304.845377] ? preempt_schedule+0x4d/0x60 [ 304.849546] ? ___preempt_schedule+0x16/0x18 [ 304.853971] ? bpf_test_run+0x25d/0x780 [ 304.857955] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.862368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.867904] ? bpf_test_init.isra.10+0x70/0x100 [ 304.872593] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 304.877360] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 304.882213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.887762] ? fput+0x130/0x1a0 [ 304.891059] ? __bpf_prog_get+0x9b/0x290 [ 304.895123] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 304.899988] ? bpf_prog_test_run+0x130/0x1a0 [ 304.904441] ? __x64_sys_bpf+0x3d8/0x520 [ 304.908518] ? bpf_prog_get+0x20/0x20 [ 304.912335] ? do_syscall_64+0x1b9/0x820 [ 304.916397] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.921785] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.926716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.931566] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.936590] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.941620] ? prepare_exit_to_usermode+0x291/0x3b0 [ 304.946651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.951507] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.956888] warn_alloc_show_mem: 1 callbacks suppressed [ 304.956900] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 304.956902] Mem-Info: [ 304.956933] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 304.956933] active_file:12 inactive_file:13 isolated_file:0 [ 304.956933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.956933] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 304.956933] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 304.956933] free:13733 free_pcp:586 free_cma:0 [ 304.962316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.969599] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.972008] Call Trace: [ 305.004877] 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 [ 305.014236] [ 305.041643] lowmem_reserve[]: 0 2818 6321 6321 [ 305.044231] dump_stack+0x244/0x39d [ 305.070314] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 305.072469] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.077026] lowmem_reserve[]: 0 0 3503 3503 [ 305.080656] warn_alloc.cold.116+0xb7/0x1bd [ 305.108211] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 305.113412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.117716] lowmem_reserve[]: 0 0 0 0 [ 305.122036] ? lock_downgrade+0x900/0x900 [ 305.150984] 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 [ 305.155842] ? trace_hardirqs_off+0xb8/0x310 [ 305.159618] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 305.163761] ? trace_hardirqs_off+0xb8/0x310 [ 305.177258] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 305.181665] __alloc_pages_slowpath+0x26e8/0x2e10 [ 305.197015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.201437] ? warn_alloc+0x120/0x120 [ 305.215267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.220117] ? print_usage_bug+0xc0/0xc0 [ 305.228973] 269 total pagecache pages [ 305.232765] ? warn_alloc+0x120/0x120 [ 305.241319] 0 pages in swap cache [ 305.245371] ? warn_alloc+0x120/0x120 [ 305.249150] Swap cache stats: add 0, delete 0, find 0/0 [ 305.252954] ? print_usage_bug+0xc0/0xc0 [ 305.256377] Free swap = 0kB [ 305.260171] ? kvm_clock_read+0x18/0x30 [ 305.265510] Total swap = 0kB [ 305.269565] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 305.272563] 1965979 pages RAM [ 305.276543] ? print_usage_bug+0xc0/0xc0 [ 305.279554] 0 pages HighMem/MovableOnly [ 305.284568] ? __lock_acquire+0x62f/0x4c20 [ 305.287650] 342853 pages reserved [ 305.291701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.295649] 0 pages cma reserved [ 305.299876] ? should_fail+0x22d/0xd01 [ 305.303403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.308872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.308889] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.312379] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.316139] ? __lock_acquire+0x62f/0x4c20 [ 305.322612] syz-executor0 cpuset=syz0 mems_allowed=0 [ 305.327890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.357863] ? __lock_acquire+0x62f/0x4c20 [ 305.362100] ? should_fail+0x22d/0xd01 [ 305.365989] ? rcu_irq_exit+0x1a2/0x390 [ 305.369980] ? mark_held_locks+0x130/0x130 [ 305.374223] ? mark_held_locks+0x130/0x130 [ 305.378488] ? mark_held_locks+0xc7/0x130 [ 305.382637] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 305.387653] ? zap_class+0x640/0x640 [ 305.391366] ? print_usage_bug+0xc0/0xc0 [ 305.395464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.401003] ? check_preemption_disabled+0x48/0x280 [ 305.406030] ? __lock_is_held+0xb5/0x140 [ 305.410098] __alloc_pages_nodemask+0xa80/0xde0 [ 305.414783] ? zap_class+0x640/0x640 [ 305.418503] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 305.423550] ? find_held_lock+0x36/0x1c0 [ 305.427622] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.432290] ? lock_downgrade+0x900/0x900 [ 305.436453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.442042] cache_grow_begin+0xa5/0x8c0 [ 305.446104] ? do_raw_spin_unlock+0xa7/0x330 [ 305.450528] fallback_alloc+0x204/0x2e0 [ 305.454541] ____cache_alloc_node+0x1c7/0x1e0 [ 305.459040] kmem_cache_alloc_node+0xe3/0x730 [ 305.463534] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.467780] __alloc_skb+0x119/0x770 [ 305.471499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.476781] ? netdev_alloc_frag+0x1f0/0x1f0 [ 305.481203] ? lock_downgrade+0x900/0x900 [ 305.485376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.490911] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.496396] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.501868] ? addrconf_rs_timer+0x690/0x690 [ 305.506286] ndisc_alloc_skb+0x144/0x340 [ 305.510349] ndisc_send_rs+0x331/0x6e0 [ 305.514245] addrconf_rs_timer+0x314/0x690 [ 305.518487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.522765] call_timer_fn+0x272/0x920 [ 305.526656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.530895] ? process_timeout+0x40/0x40 [ 305.534968] ? mark_held_locks+0xc7/0x130 [ 305.539119] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.543614] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.548107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.552343] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.556928] ? trace_hardirqs_on+0xbd/0x310 [ 305.561252] ? kasan_check_read+0x11/0x20 [ 305.565397] ? __run_timers+0x7da/0xc70 [ 305.569377] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.574500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.578740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.582972] __run_timers+0x7e5/0xc70 [ 305.586780] ? timer_fixup_init+0x70/0x70 [ 305.590928] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.595951] ? zap_class+0x640/0x640 [ 305.599673] ? print_usage_bug+0xc0/0xc0 [ 305.603737] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.608935] ? find_held_lock+0x36/0x1c0 [ 305.613009] ? zap_class+0x640/0x640 [ 305.616727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.622265] ? check_preemption_disabled+0x48/0x280 [ 305.627307] ? __lock_is_held+0xb5/0x140 [ 305.631373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.636927] ? check_preemption_disabled+0x48/0x280 [ 305.641972] run_timer_softirq+0x52/0xb0 [ 305.646036] ? rcu_read_lock_sched_held+0x14f/0x180 [ 305.651056] __do_softirq+0x308/0xb7e [ 305.654875] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 305.659400] ? lock_downgrade+0x900/0x900 [ 305.663575] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 305.668706] ? pvclock_read_flags+0x160/0x160 [ 305.673226] ? lapic_next_event+0x5a/0x90 [ 305.677378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.682924] ? kvm_clock_read+0x18/0x30 [ 305.686924] ? kvm_sched_clock_read+0x9/0x20 [ 305.691338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.696887] ? check_preemption_disabled+0x48/0x280 [ 305.701911] irq_exit+0x17f/0x1c0 [ 305.705378] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.710255] ? smp_reschedule_interrupt+0x109/0x650 [ 305.715272] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.721153] ? interrupt_entry+0xb5/0xc0 [ 305.725219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.730252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.735280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.740129] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.745146] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.750162] ? task_prio+0x50/0x50 [ 305.753704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.759257] ? check_preemption_disabled+0x48/0x280 [ 305.764279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.769128] apic_timer_interrupt+0xf/0x20 [ 305.773358] [ 305.775599] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 305.780806] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 305.799714] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.807453] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 305.814721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 305.821990] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 305.829254] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 305.836520] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 305.843829] retint_kernel+0x1b/0x2d [ 305.847539] RIP: 0010:dump_stack+0x358/0x39d [ 305.851944] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 305.870847] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 305.878552] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 305.885834] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 305.893115] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 305.900386] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 305.907652] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 305.914938] ? dump_stack+0x34f/0x39d [ 305.918755] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.923964] dump_header+0x27b/0xf72 [ 305.927721] ? mark_held_locks+0x130/0x130 [ 305.931972] ? pagefault_out_of_memory+0x197/0x197 [ 305.936920] ? __lock_acquire+0x62f/0x4c20 [ 305.941167] ? zap_class+0x640/0x640 [ 305.944890] ? percpu_ref_get_many+0x240/0x240 [ 305.949508] ? print_usage_bug+0xc0/0xc0 [ 305.953576] ? print_usage_bug+0xc0/0xc0 [ 305.957665] ? zap_class+0x640/0x640 [ 305.961387] ? print_usage_bug+0xc0/0xc0 [ 305.965461] ? print_usage_bug+0xc0/0xc0 [ 305.969540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.975109] ? find_held_lock+0x36/0x1c0 [ 305.979188] ? mark_held_locks+0xc7/0x130 [ 305.983349] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.988471] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.993591] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 305.998187] ? trace_hardirqs_on+0xbd/0x310 [ 306.002525] ? kasan_check_read+0x11/0x20 [ 306.006688] ? ___ratelimit+0x3b4/0x672 [ 306.010672] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.015792] ? trace_hardirqs_on+0x310/0x310 [ 306.020221] ? lock_downgrade+0x900/0x900 [ 306.024382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.029521] ? ___ratelimit+0x3b9/0x672 [ 306.033510] ? idr_get_free+0xf70/0xf70 [ 306.037496] ? find_held_lock+0x36/0x1c0 [ 306.041578] oom_kill_process.cold.27+0x10/0x903 [ 306.046341] ? zap_class+0x640/0x640 [ 306.050062] ? check_preemption_disabled+0x48/0x280 [ 306.055094] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.060029] ? kasan_check_read+0x11/0x20 [ 306.064198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.069486] ? oom_evaluate_task+0x540/0x540 [ 306.073908] ? find_held_lock+0x36/0x1c0 [ 306.077986] ? out_of_memory+0x974/0x1430 [ 306.082144] ? lock_downgrade+0x900/0x900 [ 306.086307] ? check_preemption_disabled+0x48/0x280 [ 306.091349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.096288] ? kasan_check_read+0x11/0x20 [ 306.100463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.105755] ? rcu_softirq_qs+0x20/0x20 [ 306.109742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.115295] ? oom_evaluate_task+0x302/0x540 [ 306.119720] out_of_memory+0xa84/0x1430 [ 306.123714] ? oom_killer_disable+0x3a0/0x3a0 [ 306.128221] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 306.133163] ? __ww_mutex_check_waiters+0x160/0x160 [ 306.138209] __alloc_pages_slowpath+0x2354/0x2e10 [ 306.143114] ? warn_alloc+0x120/0x120 [ 306.146925] ? warn_alloc+0x120/0x120 [ 306.150755] ? warn_alloc+0x120/0x120 [ 306.154563] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 306.159684] ? print_usage_bug+0xc0/0xc0 [ 306.163756] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.168364] ? print_usage_bug+0xc0/0xc0 [ 306.172454] ? print_usage_bug+0xc0/0xc0 [ 306.176541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.182105] ? should_fail+0x22d/0xd01 [ 306.186016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.191147] ? zap_class+0x640/0x640 [ 306.194910] ? __lock_is_held+0xb5/0x140 [ 306.198994] ? zap_class+0x640/0x640 [ 306.202740] ? lock_release+0xa00/0xa00 [ 306.206722] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.212203] ? check_preemption_disabled+0x48/0x280 [ 306.217251] ? __might_sleep+0x95/0x190 [ 306.221244] __alloc_pages_nodemask+0xa80/0xde0 [ 306.225935] ? zap_class+0x640/0x640 [ 306.229679] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 306.234724] ? mark_held_locks+0xc7/0x130 [ 306.238893] ? cache_grow_begin+0x65/0x8c0 [ 306.243143] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.247737] ? trace_hardirqs_on+0xbd/0x310 [ 306.252074] ? fallback_alloc+0x204/0x2e0 [ 306.256246] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.261373] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.266935] cache_grow_begin+0xa5/0x8c0 [ 306.271018] ? do_raw_spin_unlock+0xa7/0x330 [ 306.275467] fallback_alloc+0x204/0x2e0 [ 306.279472] ____cache_alloc_node+0x1c7/0x1e0 [ 306.283996] kmem_cache_alloc_node+0xe3/0x730 [ 306.288540] __alloc_skb+0x119/0x770 [ 306.292284] ? netdev_alloc_frag+0x1f0/0x1f0 [ 306.296722] ? if_nlmsg_size+0x5d1/0xbb0 [ 306.300799] ? rtnetlink_put_metrics+0x690/0x690 [ 306.305581] ? sk_psock_stop_strp+0x120/0x120 [ 306.310085] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 306.315114] ? netif_tx_stop_all_queues+0xd9/0x110 [ 306.320073] rtmsg_ifinfo_build_skb+0x74/0x190 [ 306.324683] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 306.329560] rtmsg_ifinfo+0x8c/0xa0 [ 306.333221] dev_close_many+0x3be/0x860 [ 306.337214] ? dev_fill_metadata_dst+0x840/0x840 [ 306.341988] ? find_held_lock+0x36/0x1c0 [ 306.346065] ? __queue_work+0x671/0x1440 [ 306.350136] ? lock_downgrade+0x900/0x900 [ 306.354320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.359868] ? rtnl_is_locked+0xb5/0xf0 [ 306.363855] ? rtnl_trylock+0x20/0x20 [ 306.367697] ? do_raw_spin_unlock+0xa7/0x330 [ 306.372126] ? do_raw_spin_trylock+0x270/0x270 [ 306.376733] rollback_registered_many+0x543/0x1250 [ 306.381690] ? generic_xdp_install+0x5a0/0x5a0 [ 306.386292] ? flush_rcu_work+0x90/0x90 [ 306.390280] ? zap_class+0x640/0x640 [ 306.394005] ? print_usage_bug+0xc0/0xc0 [ 306.398092] ? print_usage_bug+0xc0/0xc0 [ 306.402167] ? zap_class+0x640/0x640 [ 306.405892] ? print_usage_bug+0xc0/0xc0 [ 306.409969] ? find_held_lock+0x36/0x1c0 [ 306.414054] ? mark_held_locks+0xc7/0x130 [ 306.418240] rollback_registered+0x1e9/0x420 [ 306.422658] ? lockdep_hardirqs_on+0x321/0x5b0 [ 306.427255] ? rollback_registered_many+0x1250/0x1250 [ 306.432458] ? trace_hardirqs_on+0xbd/0x310 [ 306.436791] ? linkwatch_schedule_work+0x150/0x170 [ 306.441741] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.446869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.452418] ? rtnl_is_locked+0xb5/0xf0 [ 306.456405] ? rtnl_trylock+0x20/0x20 [ 306.460224] ? queue_delayed_work_on+0x130/0x1f0 [ 306.464999] unregister_netdevice_queue+0x321/0x5e0 [ 306.470114] ? rollback_registered+0x420/0x420 [ 306.474707] ? linkwatch_schedule_work+0x170/0x170 [ 306.479647] ? tun_setup+0x2d0/0x2d0 [ 306.483372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.488928] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 306.494312] ? __tun_detach+0x6ba/0x15c0 [ 306.498389] __tun_detach+0x11b8/0x15c0 [ 306.502394] ? __call_rcu.constprop.55+0x3ea/0x950 [ 306.507338] ? __call_rcu.constprop.55+0x3ea/0x950 [ 306.512285] ? tun_attach+0x1900/0x1900 [ 306.516266] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.521381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.526932] ? check_preemption_disabled+0x48/0x280 [ 306.531981] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.536592] ? zap_class+0x640/0x640 [ 306.540323] ? fsnotify+0x4e5/0xf20 [ 306.543966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.549521] ? locks_remove_file+0x3c6/0x5c0 [ 306.553953] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.559518] ? ima_file_free+0x132/0x650 [ 306.563596] ? __lock_is_held+0xb5/0x140 [ 306.567681] ? __tun_detach+0x15c0/0x15c0 [ 306.571863] ? __tun_detach+0x15c0/0x15c0 [ 306.576023] tun_chr_close+0xe3/0x180 [ 306.579841] __fput+0x385/0xa30 [ 306.583505] ? get_max_files+0x20/0x20 [ 306.587411] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.592907] ____fput+0x15/0x20 [ 306.596199] task_work_run+0x1e8/0x2a0 [ 306.600103] ? task_work_cancel+0x240/0x240 [ 306.604462] ? switch_task_namespaces+0xb8/0xd0 [ 306.609174] do_exit+0x1ad6/0x26d0 [ 306.612746] ? mm_update_next_owner+0x990/0x990 [ 306.617436] ? print_usage_bug+0xc0/0xc0 [ 306.621520] ? find_held_lock+0x36/0x1c0 [ 306.625607] ? mark_held_locks+0x130/0x130 [ 306.629855] ? __lock_acquire+0x62f/0x4c20 [ 306.634108] ? pipe_wait+0x266/0x2c0 [ 306.637834] ? lock_release+0xa00/0xa00 [ 306.641824] ? mark_held_locks+0x130/0x130 [ 306.646076] ? __mutex_lock+0x85e/0x16f0 [ 306.650139] ? __switch_to_asm+0x40/0x70 [ 306.654205] ? pipe_wait+0x266/0x2c0 [ 306.657926] ? __switch_to_asm+0x34/0x70 [ 306.661993] ? __switch_to_asm+0x40/0x70 [ 306.666073] ? mutex_trylock+0x2b0/0x2b0 [ 306.670145] ? zap_class+0x640/0x640 [ 306.673879] ? zap_class+0x640/0x640 [ 306.677599] ? find_held_lock+0x36/0x1c0 [ 306.681682] ? memset+0x31/0x40 [ 306.684982] ? find_held_lock+0x36/0x1c0 [ 306.689057] ? get_signal+0x95b/0x1980 [ 306.692955] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.697459] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.701980] do_group_exit+0x177/0x440 [ 306.705877] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.710994] ? __ia32_sys_exit+0x50/0x50 [ 306.715598] get_signal+0x8b0/0x1980 [ 306.719330] ? ptrace_notify+0x130/0x130 [ 306.723408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.728973] ? pipe_read+0x702/0x940 [ 306.732701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.738268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.743819] ? __vfs_read+0x11f/0x9b0 [ 306.747632] do_signal+0x9c/0x21c0 [ 306.751177] ? fsnotify+0xf20/0xf20 [ 306.754820] ? setup_sigcontext+0x7d0/0x7d0 [ 306.759178] ? exit_to_usermode_loop+0x8c/0x380 [ 306.763855] ? exit_to_usermode_loop+0x8c/0x380 [ 306.768536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.773129] ? trace_hardirqs_on+0xbd/0x310 [ 306.777462] ? do_syscall_64+0x6be/0x820 [ 306.781557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.787116] exit_to_usermode_loop+0x2e5/0x380 [ 306.791723] ? __bpf_trace_sys_exit+0x30/0x30 [ 306.796243] do_syscall_64+0x6be/0x820 [ 306.800137] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.805515] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.810456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.815310] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.820338] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.825372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.830230] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.835443] RIP: 0033:0x410fa0 [ 306.838653] Code: Bad RIP value. [ 306.842020] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 306.849737] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 306.857013] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 306.864291] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 306.871566] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 306.878841] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 306.886160] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 306.886243] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.893554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.893560] Call Trace: [ 306.893567] [ 306.893590] dump_stack+0x244/0x39d [ 306.893613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.900162] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.909488] warn_alloc.cold.116+0xb7/0x1bd [ 306.912052] syz-executor5 cpuset=syz5 mems_allowed=0 [ 306.914201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.947743] ? lock_downgrade+0x900/0x900 [ 306.951919] ? trace_hardirqs_off+0xb8/0x310 [ 306.956351] ? trace_hardirqs_off+0xb8/0x310 [ 306.960792] __alloc_pages_slowpath+0x26e8/0x2e10 [ 306.965680] ? warn_alloc+0x120/0x120 [ 306.969501] ? print_usage_bug+0xc0/0xc0 [ 306.973590] ? warn_alloc+0x120/0x120 [ 306.977409] ? warn_alloc+0x120/0x120 [ 306.981251] ? print_usage_bug+0xc0/0xc0 [ 306.985342] ? print_usage_bug+0xc0/0xc0 [ 306.989431] ? __lock_acquire+0x62f/0x4c20 [ 306.993694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.999250] ? should_fail+0x22d/0xd01 [ 307.003152] ? __lock_acquire+0x62f/0x4c20 [ 307.007402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.012534] ? __lock_acquire+0x62f/0x4c20 [ 307.016789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.021907] ? __lock_acquire+0x62f/0x4c20 [ 307.026154] ? should_fail+0x22d/0xd01 [ 307.030065] ? mark_held_locks+0x130/0x130 [ 307.034318] ? mark_held_locks+0x130/0x130 [ 307.038567] ? zap_class+0x640/0x640 [ 307.042296] ? zap_class+0x640/0x640 [ 307.046040] ? print_usage_bug+0xc0/0xc0 [ 307.050118] ? do_raw_spin_unlock+0xa7/0x330 [ 307.054542] ? zap_class+0x640/0x640 [ 307.058266] ? print_usage_bug+0xc0/0xc0 [ 307.062333] ? wq_watchdog_touch+0x9c/0xfe [ 307.066587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.072139] ? check_preemption_disabled+0x48/0x280 [ 307.077180] ? __lock_is_held+0xb5/0x140 [ 307.081263] __alloc_pages_nodemask+0xa80/0xde0 [ 307.085946] ? zap_class+0x640/0x640 [ 307.089679] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 307.094723] ? find_held_lock+0x36/0x1c0 [ 307.098811] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.103505] ? lock_downgrade+0x900/0x900 [ 307.107676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.113241] cache_grow_begin+0xa5/0x8c0 [ 307.117319] ? do_raw_spin_unlock+0xa7/0x330 [ 307.121748] fallback_alloc+0x204/0x2e0 [ 307.125745] ____cache_alloc_node+0x1c7/0x1e0 [ 307.130261] kmem_cache_alloc_node+0xe3/0x730 [ 307.134768] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.139029] __alloc_skb+0x119/0x770 [ 307.142752] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.148049] ? netdev_alloc_frag+0x1f0/0x1f0 [ 307.152478] ? lock_downgrade+0x900/0x900 [ 307.156660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.162213] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.167692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.173166] ? addrconf_rs_timer+0x690/0x690 [ 307.177614] ndisc_alloc_skb+0x144/0x340 [ 307.181695] ndisc_send_rs+0x331/0x6e0 [ 307.185597] addrconf_rs_timer+0x314/0x690 [ 307.189848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.194105] call_timer_fn+0x272/0x920 [ 307.198003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.202247] ? process_timeout+0x40/0x40 [ 307.206328] ? __run_timers+0x7da/0xc70 [ 307.210313] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.214817] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.219319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.223565] ? lockdep_hardirqs_on+0x296/0x5b0 [ 307.228162] ? trace_hardirqs_on+0xbd/0x310 [ 307.232498] ? kasan_check_read+0x11/0x20 [ 307.236661] ? __run_timers+0x7da/0xc70 [ 307.240649] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.245813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.250058] __run_timers+0x7e5/0xc70 [ 307.253876] ? timer_fixup_init+0x70/0x70 [ 307.258037] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.263067] ? zap_class+0x640/0x640 [ 307.266794] ? enqueue_hrtimer+0x1a5/0x560 [ 307.271046] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.276262] ? find_held_lock+0x36/0x1c0 [ 307.280342] ? zap_class+0x640/0x640 [ 307.284072] ? pvclock_read_flags+0x160/0x160 [ 307.288581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.294133] ? check_preemption_disabled+0x48/0x280 [ 307.299178] ? __lock_is_held+0xb5/0x140 [ 307.303256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.308811] ? check_preemption_disabled+0x48/0x280 [ 307.313849] run_timer_softirq+0x52/0xb0 [ 307.317938] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.322969] __do_softirq+0x308/0xb7e [ 307.326786] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 307.331290] ? lock_downgrade+0x900/0x900 [ 307.335462] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.340585] ? pvclock_read_flags+0x160/0x160 [ 307.345095] ? lapic_next_event+0x5a/0x90 [ 307.349259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.354818] ? kvm_clock_read+0x18/0x30 [ 307.358804] ? kvm_sched_clock_read+0x9/0x20 [ 307.363227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.368780] ? check_preemption_disabled+0x48/0x280 [ 307.373818] irq_exit+0x17f/0x1c0 [ 307.377284] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.382136] ? smp_reschedule_interrupt+0x109/0x650 [ 307.387165] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.393064] ? interrupt_entry+0xb5/0xc0 [ 307.397142] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.402171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.407203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.412066] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.417101] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.422152] ? task_prio+0x50/0x50 [ 307.425710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.431264] ? check_preemption_disabled+0x48/0x280 [ 307.436300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.441168] apic_timer_interrupt+0xf/0x20 [ 307.445409] [ 307.447687] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 307.453596] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 307.472515] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.480242] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 307.487530] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 307.494817] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 307.502103] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 307.509388] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 307.516731] ? save_stack+0xa9/0xd0 [ 307.520400] __kmalloc_node_track_caller+0x3c/0x70 [ 307.525380] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 307.530175] pskb_expand_head+0x230/0x10f0 [ 307.534453] ? memcpy+0x45/0x50 [ 307.537764] ? __copy_skb_header+0x350/0x6b0 [ 307.542208] ? skb_release_data+0x880/0x880 [ 307.546572] ? __alloc_skb+0x770/0x770 [ 307.550498] ? __lock_is_held+0xb5/0x140 [ 307.554588] ? kasan_check_write+0x14/0x20 [ 307.558845] ? __skb_clone+0x6c7/0xa00 [ 307.562752] ? __copy_skb_header+0x6b0/0x6b0 [ 307.567174] ? kmem_cache_alloc+0x33a/0x730 [ 307.571525] skb_ensure_writable+0x3dd/0x640 [ 307.575953] ? skb_checksum_setup+0xaa0/0xaa0 [ 307.580492] ? check_preemption_disabled+0x48/0x280 [ 307.585533] ? __this_cpu_preempt_check+0x1c/0x20 [ 307.590394] ? __bpf_redirect+0x54b/0xb20 [ 307.594576] bpf_clone_redirect+0x14a/0x490 [ 307.598921] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 307.603958] ? __sched_text_start+0x8/0x8 [ 307.608124] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 307.612719] ? retint_kernel+0x2d/0x2d [ 307.616625] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.621582] ? find_held_lock+0x36/0x1c0 [ 307.625670] ? lock_acquire+0x1ed/0x520 [ 307.629654] ? bpf_test_run+0x3cb/0x780 [ 307.633643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.639198] ? check_preemption_disabled+0x48/0x280 [ 307.644237] ? kasan_check_read+0x11/0x20 [ 307.648400] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.653702] ? rcu_softirq_qs+0x20/0x20 [ 307.657697] ? preempt_schedule+0x4d/0x60 [ 307.661857] ? ___preempt_schedule+0x16/0x18 [ 307.666286] ? bpf_test_run+0x25d/0x780 [ 307.670289] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.674718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.680275] ? bpf_test_init.isra.10+0x70/0x100 [ 307.684980] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 307.689764] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.694621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.700187] ? fput+0x130/0x1a0 [ 307.703482] ? __bpf_prog_get+0x9b/0x290 [ 307.707549] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.712404] ? bpf_prog_test_run+0x130/0x1a0 [ 307.716862] ? __x64_sys_bpf+0x3d8/0x520 [ 307.720923] ? bpf_prog_get+0x20/0x20 [ 307.724744] ? do_syscall_64+0x1b9/0x820 [ 307.728806] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.734171] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.739102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.743965] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.748987] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.754004] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.759027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.763882] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.769285] warn_alloc_show_mem: 1 callbacks suppressed [ 307.769297] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 307.769299] Mem-Info: [ 307.769328] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 307.769328] active_file:12 inactive_file:13 isolated_file:0 [ 307.769328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.769328] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 307.769328] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 307.769328] free:13733 free_pcp:586 free_cma:0 [ 307.774670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.781965] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.784371] Call Trace: [ 307.817247] 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 [ 307.826614] [ 307.854113] lowmem_reserve[]: 0 2818 6321 6321 [ 307.856717] dump_stack+0x244/0x39d [ 307.882792] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 307.884961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.889525] lowmem_reserve[]: 0 0 3503 3503 [ 307.893170] warn_alloc.cold.116+0xb7/0x1bd [ 307.920722] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 307.925922] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.930230] lowmem_reserve[]: 0 0 0 0 [ 307.934549] ? lock_downgrade+0x900/0x900 [ 307.963502] 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 [ 307.968348] ? trace_hardirqs_off+0xb8/0x310 [ 307.972118] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 307.976279] ? trace_hardirqs_off+0xb8/0x310 [ 307.989788] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 307.994220] __alloc_pages_slowpath+0x26e8/0x2e10 [ 308.009558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.014002] ? warn_alloc+0x120/0x120 [ 308.027835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.032683] ? print_usage_bug+0xc0/0xc0 [ 308.041515] 269 total pagecache pages [ 308.045322] ? warn_alloc+0x120/0x120 [ 308.053878] 0 pages in swap cache [ 308.057956] ? warn_alloc+0x120/0x120 [ 308.061747] Swap cache stats: add 0, delete 0, find 0/0 [ 308.065547] ? print_usage_bug+0xc0/0xc0 [ 308.068974] Free swap = 0kB [ 308.072774] ? print_usage_bug+0xc0/0xc0 [ 308.078111] Total swap = 0kB [ 308.082175] ? __lock_acquire+0x62f/0x4c20 [ 308.085165] 1965979 pages RAM [ 308.089225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.092219] 0 pages HighMem/MovableOnly [ 308.096460] ? should_fail+0x22d/0xd01 [ 308.099562] 342853 pages reserved [ 308.105104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.109081] 0 pages cma reserved [ 308.112972] ? __lock_acquire+0x62f/0x4c20 [ 308.116497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.121514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.124988] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.129110] ? __lock_acquire+0x62f/0x4c20 [ 308.135582] syz-executor0 cpuset=syz0 mems_allowed=0 [ 308.140731] ? should_fail+0x22d/0xd01 [ 308.164472] ? find_held_lock+0x36/0x1c0 [ 308.168550] ? mark_held_locks+0x130/0x130 [ 308.172799] ? mark_held_locks+0x130/0x130 [ 308.177040] ? zap_class+0x640/0x640 [ 308.180760] ? zap_class+0x640/0x640 [ 308.184484] ? print_usage_bug+0xc0/0xc0 [ 308.188550] ? do_raw_spin_unlock+0xa7/0x330 [ 308.192971] ? zap_class+0x640/0x640 [ 308.196702] ? print_usage_bug+0xc0/0xc0 [ 308.200766] ? wq_watchdog_touch+0x9c/0xfe [ 308.205010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.210561] ? check_preemption_disabled+0x48/0x280 [ 308.215594] ? __lock_is_held+0xb5/0x140 [ 308.219668] __alloc_pages_nodemask+0xa80/0xde0 [ 308.224345] ? zap_class+0x640/0x640 [ 308.228084] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 308.233120] ? find_held_lock+0x36/0x1c0 [ 308.237201] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.241893] ? lock_downgrade+0x900/0x900 [ 308.246062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.251611] cache_grow_begin+0xa5/0x8c0 [ 308.255680] ? do_raw_spin_unlock+0xa7/0x330 [ 308.260104] fallback_alloc+0x204/0x2e0 [ 308.264099] ____cache_alloc_node+0x1c7/0x1e0 [ 308.268606] kmem_cache_alloc_node+0xe3/0x730 [ 308.273110] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.277361] __alloc_skb+0x119/0x770 [ 308.281079] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.286365] ? netdev_alloc_frag+0x1f0/0x1f0 [ 308.290780] ? lock_downgrade+0x900/0x900 [ 308.294944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.300498] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.305962] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.311418] ? addrconf_rs_timer+0x690/0x690 [ 308.315896] ndisc_alloc_skb+0x144/0x340 [ 308.320006] ndisc_send_rs+0x331/0x6e0 [ 308.323909] addrconf_rs_timer+0x314/0x690 [ 308.328153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.332405] call_timer_fn+0x272/0x920 [ 308.336303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.340552] ? process_timeout+0x40/0x40 [ 308.344627] ? mark_held_locks+0xc7/0x130 [ 308.348783] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.353280] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.357778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.362031] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.366620] ? trace_hardirqs_on+0xbd/0x310 [ 308.370975] ? kasan_check_read+0x11/0x20 [ 308.375139] ? __run_timers+0x7da/0xc70 [ 308.379118] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.384233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.388479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.392716] __run_timers+0x7e5/0xc70 [ 308.396532] ? timer_fixup_init+0x70/0x70 [ 308.400701] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.405752] ? zap_class+0x640/0x640 [ 308.409476] ? print_usage_bug+0xc0/0xc0 [ 308.413547] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.418766] ? find_held_lock+0x36/0x1c0 [ 308.422855] ? zap_class+0x640/0x640 [ 308.426582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.432144] ? check_preemption_disabled+0x48/0x280 [ 308.437178] ? __lock_is_held+0xb5/0x140 [ 308.441246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.446797] ? check_preemption_disabled+0x48/0x280 [ 308.451822] run_timer_softirq+0x52/0xb0 [ 308.455887] ? rcu_read_lock_sched_held+0x14f/0x180 [ 308.460923] __do_softirq+0x308/0xb7e [ 308.464737] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.469235] ? lock_downgrade+0x900/0x900 [ 308.473392] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 308.478512] ? pvclock_read_flags+0x160/0x160 [ 308.483012] ? lapic_next_event+0x5a/0x90 [ 308.487165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.492725] ? kvm_clock_read+0x18/0x30 [ 308.496704] ? kvm_sched_clock_read+0x9/0x20 [ 308.501133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.506673] ? check_preemption_disabled+0x48/0x280 [ 308.511701] irq_exit+0x17f/0x1c0 [ 308.515157] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.520000] ? smp_reschedule_interrupt+0x109/0x650 [ 308.525032] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.530920] ? interrupt_entry+0xb5/0xc0 [ 308.534990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.540009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.545035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.549887] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.554903] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.559925] ? task_prio+0x50/0x50 [ 308.563474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.569021] ? check_preemption_disabled+0x48/0x280 [ 308.574042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.578912] apic_timer_interrupt+0xf/0x20 [ 308.583340] [ 308.585583] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 308.590774] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 308.609677] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.617404] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 308.624684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 308.631956] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 308.639222] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 308.646488] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 308.653854] retint_kernel+0x1b/0x2d [ 308.657587] RIP: 0010:dump_stack+0x358/0x39d [ 308.662001] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 308.680898] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 308.688631] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 308.695913] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 308.703202] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 308.710469] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 308.718257] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 308.725548] ? dump_stack+0x34f/0x39d [ 308.729366] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.734568] dump_header+0x27b/0xf72 [ 308.738295] ? mark_held_locks+0x130/0x130 [ 308.742535] ? pagefault_out_of_memory+0x197/0x197 [ 308.747479] ? __lock_acquire+0x62f/0x4c20 [ 308.751719] ? zap_class+0x640/0x640 [ 308.755478] ? percpu_ref_get_many+0x240/0x240 [ 308.760066] ? print_usage_bug+0xc0/0xc0 [ 308.764146] ? print_usage_bug+0xc0/0xc0 [ 308.768226] ? zap_class+0x640/0x640 [ 308.771969] ? print_usage_bug+0xc0/0xc0 [ 308.776033] ? print_usage_bug+0xc0/0xc0 [ 308.780106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.785654] ? find_held_lock+0x36/0x1c0 [ 308.789724] ? mark_held_locks+0xc7/0x130 [ 308.793887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.799004] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.804105] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.808720] ? trace_hardirqs_on+0xbd/0x310 [ 308.813041] ? kasan_check_read+0x11/0x20 [ 308.817202] ? ___ratelimit+0x3b4/0x672 [ 308.821182] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.826287] ? trace_hardirqs_on+0x310/0x310 [ 308.830700] ? lock_downgrade+0x900/0x900 [ 308.834856] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.839971] ? ___ratelimit+0x3b9/0x672 [ 308.843972] ? idr_get_free+0xf70/0xf70 [ 308.847950] ? find_held_lock+0x36/0x1c0 [ 308.852042] oom_kill_process.cold.27+0x10/0x903 [ 308.856811] ? zap_class+0x640/0x640 [ 308.860528] ? check_preemption_disabled+0x48/0x280 [ 308.865561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.870488] ? kasan_check_read+0x11/0x20 [ 308.874652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.879952] ? oom_evaluate_task+0x540/0x540 [ 308.884395] ? find_held_lock+0x36/0x1c0 [ 308.888487] ? out_of_memory+0x974/0x1430 [ 308.892640] ? lock_downgrade+0x900/0x900 [ 308.896791] ? check_preemption_disabled+0x48/0x280 [ 308.901822] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.906751] ? kasan_check_read+0x11/0x20 [ 308.910912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.916203] ? rcu_softirq_qs+0x20/0x20 [ 308.920184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.925719] ? oom_evaluate_task+0x302/0x540 [ 308.930230] out_of_memory+0xa84/0x1430 [ 308.934230] ? oom_killer_disable+0x3a0/0x3a0 [ 308.938743] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 308.943690] ? __ww_mutex_check_waiters+0x160/0x160 [ 308.948724] __alloc_pages_slowpath+0x2354/0x2e10 [ 308.953616] ? warn_alloc+0x120/0x120 [ 308.957446] ? warn_alloc+0x120/0x120 [ 308.961270] ? warn_alloc+0x120/0x120 [ 308.965066] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.970184] ? print_usage_bug+0xc0/0xc0 [ 308.974244] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.978831] ? print_usage_bug+0xc0/0xc0 [ 308.982897] ? print_usage_bug+0xc0/0xc0 [ 308.986970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.992527] ? should_fail+0x22d/0xd01 [ 308.996443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.001564] ? zap_class+0x640/0x640 [ 309.005338] ? __lock_is_held+0xb5/0x140 [ 309.009406] ? zap_class+0x640/0x640 [ 309.013134] ? lock_release+0xa00/0xa00 [ 309.017115] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.022567] ? check_preemption_disabled+0x48/0x280 [ 309.027594] ? __might_sleep+0x95/0x190 [ 309.031575] __alloc_pages_nodemask+0xa80/0xde0 [ 309.036263] ? zap_class+0x640/0x640 [ 309.039988] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 309.045017] ? mark_held_locks+0xc7/0x130 [ 309.049169] ? cache_grow_begin+0x65/0x8c0 [ 309.053404] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.058027] ? trace_hardirqs_on+0xbd/0x310 [ 309.062349] ? fallback_alloc+0x204/0x2e0 [ 309.066499] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.071607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.077163] cache_grow_begin+0xa5/0x8c0 [ 309.081226] ? do_raw_spin_unlock+0xa7/0x330 [ 309.085659] fallback_alloc+0x204/0x2e0 [ 309.089660] ____cache_alloc_node+0x1c7/0x1e0 [ 309.094165] kmem_cache_alloc_node+0xe3/0x730 [ 309.098674] __alloc_skb+0x119/0x770 [ 309.102416] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.106838] ? if_nlmsg_size+0x5d1/0xbb0 [ 309.110905] ? rtnetlink_put_metrics+0x690/0x690 [ 309.115673] ? sk_psock_stop_strp+0x120/0x120 [ 309.120168] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.125185] ? netif_tx_stop_all_queues+0xd9/0x110 [ 309.130118] rtmsg_ifinfo_build_skb+0x74/0x190 [ 309.134707] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 309.139556] rtmsg_ifinfo+0x8c/0xa0 [ 309.143190] dev_close_many+0x3be/0x860 [ 309.147204] ? dev_fill_metadata_dst+0x840/0x840 [ 309.151994] ? find_held_lock+0x36/0x1c0 [ 309.156081] ? __queue_work+0x671/0x1440 [ 309.160145] ? lock_downgrade+0x900/0x900 [ 309.164302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.169843] ? rtnl_is_locked+0xb5/0xf0 [ 309.173814] ? rtnl_trylock+0x20/0x20 [ 309.177642] ? do_raw_spin_unlock+0xa7/0x330 [ 309.182049] ? do_raw_spin_trylock+0x270/0x270 [ 309.186655] rollback_registered_many+0x543/0x1250 [ 309.191607] ? generic_xdp_install+0x5a0/0x5a0 [ 309.196192] ? flush_rcu_work+0x90/0x90 [ 309.200167] ? zap_class+0x640/0x640 [ 309.203900] ? print_usage_bug+0xc0/0xc0 [ 309.207993] ? print_usage_bug+0xc0/0xc0 [ 309.212074] ? zap_class+0x640/0x640 [ 309.215808] ? print_usage_bug+0xc0/0xc0 [ 309.219875] ? find_held_lock+0x36/0x1c0 [ 309.223957] ? mark_held_locks+0xc7/0x130 [ 309.228119] rollback_registered+0x1e9/0x420 [ 309.232529] ? lockdep_hardirqs_on+0x321/0x5b0 [ 309.237114] ? rollback_registered_many+0x1250/0x1250 [ 309.242320] ? trace_hardirqs_on+0xbd/0x310 [ 309.246643] ? linkwatch_schedule_work+0x150/0x170 [ 309.251582] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.256689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.262224] ? rtnl_is_locked+0xb5/0xf0 [ 309.266204] ? rtnl_trylock+0x20/0x20 [ 309.270025] ? queue_delayed_work_on+0x130/0x1f0 [ 309.274791] unregister_netdevice_queue+0x321/0x5e0 [ 309.279812] ? rollback_registered+0x420/0x420 [ 309.284394] ? linkwatch_schedule_work+0x170/0x170 [ 309.289332] ? tun_setup+0x2d0/0x2d0 [ 309.293050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.298611] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 309.303979] ? __tun_detach+0x6ba/0x15c0 [ 309.308066] __tun_detach+0x11b8/0x15c0 [ 309.312056] ? __call_rcu.constprop.55+0x3ea/0x950 [ 309.316984] ? __call_rcu.constprop.55+0x3ea/0x950 [ 309.321921] ? tun_attach+0x1900/0x1900 [ 309.325897] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.331004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.336545] ? check_preemption_disabled+0x48/0x280 [ 309.341586] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.346203] ? zap_class+0x640/0x640 [ 309.349915] ? fsnotify+0x4e5/0xf20 [ 309.353552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.359087] ? locks_remove_file+0x3c6/0x5c0 [ 309.363502] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.369036] ? ima_file_free+0x132/0x650 [ 309.373104] ? __lock_is_held+0xb5/0x140 [ 309.377170] ? __tun_detach+0x15c0/0x15c0 [ 309.381325] ? __tun_detach+0x15c0/0x15c0 [ 309.385504] tun_chr_close+0xe3/0x180 [ 309.389320] __fput+0x385/0xa30 [ 309.392612] ? get_max_files+0x20/0x20 [ 309.396511] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.401976] ____fput+0x15/0x20 [ 309.405259] task_work_run+0x1e8/0x2a0 [ 309.409153] ? task_work_cancel+0x240/0x240 [ 309.413503] ? switch_task_namespaces+0xb8/0xd0 [ 309.418183] do_exit+0x1ad6/0x26d0 [ 309.421749] ? mm_update_next_owner+0x990/0x990 [ 309.426440] ? print_usage_bug+0xc0/0xc0 [ 309.430532] ? find_held_lock+0x36/0x1c0 [ 309.434614] ? mark_held_locks+0x130/0x130 [ 309.438860] ? __lock_acquire+0x62f/0x4c20 [ 309.443092] ? pipe_wait+0x266/0x2c0 [ 309.446810] ? lock_release+0xa00/0xa00 [ 309.450854] ? mark_held_locks+0x130/0x130 [ 309.455101] ? __mutex_lock+0x85e/0x16f0 [ 309.459180] ? __switch_to_asm+0x40/0x70 [ 309.463240] ? pipe_wait+0x266/0x2c0 [ 309.466961] ? __switch_to_asm+0x34/0x70 [ 309.471017] ? __switch_to_asm+0x40/0x70 [ 309.475125] ? mutex_trylock+0x2b0/0x2b0 [ 309.479190] ? zap_class+0x640/0x640 [ 309.482922] ? zap_class+0x640/0x640 [ 309.486641] ? find_held_lock+0x36/0x1c0 [ 309.490727] ? memset+0x31/0x40 [ 309.494015] ? find_held_lock+0x36/0x1c0 [ 309.498087] ? get_signal+0x95b/0x1980 [ 309.501984] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.506557] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.511093] do_group_exit+0x177/0x440 [ 309.514987] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.520092] ? __ia32_sys_exit+0x50/0x50 [ 309.524164] get_signal+0x8b0/0x1980 [ 309.527900] ? ptrace_notify+0x130/0x130 [ 309.531991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.537606] ? pipe_read+0x702/0x940 [ 309.541327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.546882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.552442] ? __vfs_read+0x11f/0x9b0 [ 309.556254] do_signal+0x9c/0x21c0 [ 309.559799] ? fsnotify+0xf20/0xf20 [ 309.563439] ? setup_sigcontext+0x7d0/0x7d0 [ 309.567768] ? exit_to_usermode_loop+0x8c/0x380 [ 309.572443] ? exit_to_usermode_loop+0x8c/0x380 [ 309.577113] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.581699] ? trace_hardirqs_on+0xbd/0x310 [ 309.586038] ? do_syscall_64+0x6be/0x820 [ 309.590121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.595663] exit_to_usermode_loop+0x2e5/0x380 [ 309.600247] ? __bpf_trace_sys_exit+0x30/0x30 [ 309.604841] do_syscall_64+0x6be/0x820 [ 309.608726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.614090] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.619020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.623865] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.628884] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.633906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.638761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.643953] RIP: 0033:0x410fa0 [ 309.647160] Code: Bad RIP value. [ 309.650522] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 309.658230] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 309.665509] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 309.672802] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 309.680082] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 309.687360] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 309.694658] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 309.694728] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.702023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.702032] Call Trace: [ 309.708664] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.717868] [ 309.720469] syz-executor5 cpuset=syz5 mems_allowed=0 [ 309.730953] dump_stack+0x244/0x39d [ 309.741813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.747015] warn_alloc.cold.116+0xb7/0x1bd [ 309.751345] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.756196] ? lock_downgrade+0x900/0x900 [ 309.760356] ? trace_hardirqs_off+0xb8/0x310 [ 309.764774] ? trace_hardirqs_off+0xb8/0x310 [ 309.769193] __alloc_pages_slowpath+0x26e8/0x2e10 [ 309.774079] ? warn_alloc+0x120/0x120 [ 309.777902] ? print_usage_bug+0xc0/0xc0 [ 309.781963] ? warn_alloc+0x120/0x120 [ 309.785785] ? warn_alloc+0x120/0x120 [ 309.789587] ? print_usage_bug+0xc0/0xc0 [ 309.793656] ? kvm_clock_read+0x18/0x30 [ 309.797632] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.802650] ? print_usage_bug+0xc0/0xc0 [ 309.806717] ? __lock_acquire+0x62f/0x4c20 [ 309.810955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.816509] ? should_fail+0x22d/0xd01 [ 309.820394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.825702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.830815] ? __lock_acquire+0x62f/0x4c20 [ 309.835051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.840152] ? __lock_acquire+0x62f/0x4c20 [ 309.844397] ? should_fail+0x22d/0xd01 [ 309.848285] ? rcu_irq_exit+0x1a2/0x390 [ 309.852268] ? mark_held_locks+0x130/0x130 [ 309.856513] ? mark_held_locks+0x130/0x130 [ 309.860769] ? mark_held_locks+0xc7/0x130 [ 309.864935] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 309.869949] ? zap_class+0x640/0x640 [ 309.873663] ? print_usage_bug+0xc0/0xc0 [ 309.877743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.883283] ? check_preemption_disabled+0x48/0x280 [ 309.888314] ? __lock_is_held+0xb5/0x140 [ 309.892381] __alloc_pages_nodemask+0xa80/0xde0 [ 309.897047] ? zap_class+0x640/0x640 [ 309.900762] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 309.905788] ? find_held_lock+0x36/0x1c0 [ 309.909874] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.914575] ? lock_downgrade+0x900/0x900 [ 309.918731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.924304] cache_grow_begin+0xa5/0x8c0 [ 309.928365] ? do_raw_spin_unlock+0xa7/0x330 [ 309.932797] fallback_alloc+0x204/0x2e0 [ 309.936800] ____cache_alloc_node+0x1c7/0x1e0 [ 309.941299] kmem_cache_alloc_node+0xe3/0x730 [ 309.945799] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.950042] __alloc_skb+0x119/0x770 [ 309.953758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.959056] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.963468] ? lock_downgrade+0x900/0x900 [ 309.967629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.973168] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.978668] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.984122] ? addrconf_rs_timer+0x690/0x690 [ 309.988545] ndisc_alloc_skb+0x144/0x340 [ 309.992614] ndisc_send_rs+0x331/0x6e0 [ 309.996522] addrconf_rs_timer+0x314/0x690 [ 310.000762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.005008] call_timer_fn+0x272/0x920 [ 310.008894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.013127] ? process_timeout+0x40/0x40 [ 310.017204] ? __run_timers+0x7da/0xc70 [ 310.021224] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.025748] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.030255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.034505] ? lockdep_hardirqs_on+0x296/0x5b0 [ 310.039091] ? trace_hardirqs_on+0xbd/0x310 [ 310.043413] ? kasan_check_read+0x11/0x20 [ 310.047574] ? __run_timers+0x7da/0xc70 [ 310.051547] ? trace_hardirqs_off_caller+0x310/0x310 [ 310.056659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.060917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.065162] __run_timers+0x7e5/0xc70 [ 310.068991] ? timer_fixup_init+0x70/0x70 [ 310.073155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.078171] ? zap_class+0x640/0x640 [ 310.081908] ? enqueue_hrtimer+0x1a5/0x560 [ 310.086150] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.091352] ? find_held_lock+0x36/0x1c0 [ 310.095431] ? zap_class+0x640/0x640 [ 310.099172] ? pvclock_read_flags+0x160/0x160 [ 310.103674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.109235] ? check_preemption_disabled+0x48/0x280 [ 310.114260] ? __lock_is_held+0xb5/0x140 [ 310.118333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.123886] ? check_preemption_disabled+0x48/0x280 [ 310.128910] run_timer_softirq+0x52/0xb0 [ 310.132976] ? rcu_read_lock_sched_held+0x14f/0x180 [ 310.138024] __do_softirq+0x308/0xb7e [ 310.141831] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.146329] ? lock_downgrade+0x900/0x900 [ 310.150490] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 310.155606] ? pvclock_read_flags+0x160/0x160 [ 310.160107] ? lapic_next_event+0x5a/0x90 [ 310.164265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.169812] ? kvm_clock_read+0x18/0x30 [ 310.173787] ? kvm_sched_clock_read+0x9/0x20 [ 310.178200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.183744] ? check_preemption_disabled+0x48/0x280 [ 310.188772] irq_exit+0x17f/0x1c0 [ 310.192232] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.197106] ? smp_reschedule_interrupt+0x109/0x650 [ 310.202126] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.208040] ? interrupt_entry+0xb5/0xc0 [ 310.212106] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.217121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.222169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.227015] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.232030] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.237048] ? task_prio+0x50/0x50 [ 310.240610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.246154] ? check_preemption_disabled+0x48/0x280 [ 310.251208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.256060] apic_timer_interrupt+0xf/0x20 [ 310.260296] [ 310.262557] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 310.268456] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 310.287357] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.295063] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.302329] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 310.309595] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 310.316864] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 310.324130] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 310.331434] ? save_stack+0xa9/0xd0 [ 310.335078] __kmalloc_node_track_caller+0x3c/0x70 [ 310.340026] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 310.344787] pskb_expand_head+0x230/0x10f0 [ 310.349027] ? memcpy+0x45/0x50 [ 310.352308] ? __copy_skb_header+0x350/0x6b0 [ 310.356735] ? skb_release_data+0x880/0x880 [ 310.361058] ? __alloc_skb+0x770/0x770 [ 310.364957] ? __lock_is_held+0xb5/0x140 [ 310.369030] ? kasan_check_write+0x14/0x20 [ 310.373264] ? __skb_clone+0x6c7/0xa00 [ 310.377155] ? __copy_skb_header+0x6b0/0x6b0 [ 310.381563] ? kmem_cache_alloc+0x33a/0x730 [ 310.385898] skb_ensure_writable+0x3dd/0x640 [ 310.390315] ? skb_checksum_setup+0xaa0/0xaa0 [ 310.394810] ? check_preemption_disabled+0x48/0x280 [ 310.399831] ? __this_cpu_preempt_check+0x1c/0x20 [ 310.404672] ? __bpf_redirect+0x54b/0xb20 [ 310.408833] bpf_clone_redirect+0x14a/0x490 [ 310.413159] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 310.418180] ? __sched_text_start+0x8/0x8 [ 310.422341] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 310.426938] ? retint_kernel+0x2d/0x2d [ 310.430833] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.435767] ? find_held_lock+0x36/0x1c0 [ 310.439837] ? lock_acquire+0x1ed/0x520 [ 310.443815] ? bpf_test_run+0x3cb/0x780 [ 310.447792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.453336] ? check_preemption_disabled+0x48/0x280 [ 310.458358] ? kasan_check_read+0x11/0x20 [ 310.462507] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.467802] ? rcu_softirq_qs+0x20/0x20 [ 310.471797] ? preempt_schedule+0x4d/0x60 [ 310.475947] ? ___preempt_schedule+0x16/0x18 [ 310.480363] ? bpf_test_run+0x25d/0x780 [ 310.484347] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.488759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.494303] ? bpf_test_init.isra.10+0x70/0x100 [ 310.498996] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 310.503774] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.508623] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.514202] ? fput+0x130/0x1a0 [ 310.517498] ? __bpf_prog_get+0x9b/0x290 [ 310.521575] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.526432] ? bpf_prog_test_run+0x130/0x1a0 [ 310.530894] ? __x64_sys_bpf+0x3d8/0x520 [ 310.534962] ? bpf_prog_get+0x20/0x20 [ 310.538791] ? do_syscall_64+0x1b9/0x820 [ 310.542854] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.548237] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.553177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.558027] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.563045] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.568063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.573087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.577938] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.583815] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 310.583820] warn_alloc_show_mem: 1 callbacks suppressed [ 310.583842] Mem-Info: [ 310.591119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.596502] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 310.596502] active_file:12 inactive_file:13 isolated_file:0 [ 310.596502] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.596502] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 310.596502] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 310.596502] free:13733 free_pcp:586 free_cma:0 [ 310.598880] Call Trace: [ 310.608284] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.641131] [ 310.643705] 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 [ 310.671126] dump_stack+0x244/0x39d [ 310.673252] lowmem_reserve[]: 0 2818 6321 6321 [ 310.699358] ? dump_stack_print_info.cold.1+0x20/0x20 [ 310.702959] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 310.707543] warn_alloc.cold.116+0xb7/0x1bd [ 310.712697] lowmem_reserve[]: 0 0 3503 3503 [ 310.740772] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.745103] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 310.749420] ? lock_downgrade+0x900/0x900 [ 310.754246] lowmem_reserve[]: 0 0 0 0 [ 310.783224] ? trace_hardirqs_off+0xb8/0x310 [ 310.787358] 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 [ 310.791172] ? trace_hardirqs_off+0xb8/0x310 [ 310.795555] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 310.809080] __alloc_pages_slowpath+0x26e8/0x2e10 [ 310.813464] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 310.828828] ? warn_alloc+0x120/0x120 [ 310.833628] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.847492] ? print_usage_bug+0xc0/0xc0 [ 310.851270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.860105] ? warn_alloc+0x120/0x120 [ 310.864142] 269 total pagecache pages [ 310.872722] ? warn_alloc+0x120/0x120 [ 310.876513] 0 pages in swap cache [ 310.880303] ? print_usage_bug+0xc0/0xc0 [ 310.884100] Swap cache stats: add 0, delete 0, find 0/0 [ 310.887546] ? kvm_clock_read+0x18/0x30 [ 310.891583] Free swap = 0kB [ 310.896940] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 310.900888] Total swap = 0kB [ 310.903914] ? print_usage_bug+0xc0/0xc0 [ 310.908924] 1965979 pages RAM [ 310.911963] ? __lock_acquire+0x62f/0x4c20 [ 310.915994] 0 pages HighMem/MovableOnly [ 310.919091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.923302] 342853 pages reserved [ 310.927285] ? should_fail+0x22d/0xd01 [ 310.932797] 0 pages cma reserved [ 310.936248] ? __lock_acquire+0x62f/0x4c20 [ 310.940178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.943474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.943490] ? __lock_acquire+0x62f/0x4c20 [ 310.943508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.943525] ? __lock_acquire+0x62f/0x4c20 [ 310.947793] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.954244] ? should_fail+0x22d/0xd01 [ 310.959329] syz-executor0 cpuset=syz0 mems_allowed=0 [ 310.963566] ? mark_held_locks+0x130/0x130 [ 310.996679] ? mark_held_locks+0x130/0x130 [ 311.000927] ? zap_class+0x640/0x640 [ 311.004649] ? print_usage_bug+0xc0/0xc0 [ 311.008717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.014257] ? check_preemption_disabled+0x48/0x280 [ 311.019377] ? __lock_is_held+0xb5/0x140 [ 311.023452] __alloc_pages_nodemask+0xa80/0xde0 [ 311.028186] ? zap_class+0x640/0x640 [ 311.031959] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 311.037001] ? find_held_lock+0x36/0x1c0 [ 311.041084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.045769] ? lock_downgrade+0x900/0x900 [ 311.049962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.055509] cache_grow_begin+0xa5/0x8c0 [ 311.059571] ? do_raw_spin_unlock+0xa7/0x330 [ 311.063990] fallback_alloc+0x204/0x2e0 [ 311.067974] ____cache_alloc_node+0x1c7/0x1e0 [ 311.072478] kmem_cache_alloc_node+0xe3/0x730 [ 311.076978] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.081222] __alloc_skb+0x119/0x770 [ 311.084959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.090260] ? netdev_alloc_frag+0x1f0/0x1f0 [ 311.094669] ? lock_downgrade+0x900/0x900 [ 311.098825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.104362] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.109826] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.115277] ? addrconf_rs_timer+0x690/0x690 [ 311.119699] ndisc_alloc_skb+0x144/0x340 [ 311.123787] ndisc_send_rs+0x331/0x6e0 [ 311.127680] addrconf_rs_timer+0x314/0x690 [ 311.131919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.136190] call_timer_fn+0x272/0x920 [ 311.140076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.144312] ? process_timeout+0x40/0x40 [ 311.148382] ? mark_held_locks+0xc7/0x130 [ 311.152534] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.157028] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.161522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.165754] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.170339] ? trace_hardirqs_on+0xbd/0x310 [ 311.174665] ? kasan_check_read+0x11/0x20 [ 311.178813] ? __run_timers+0x7da/0xc70 [ 311.182805] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.187927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.192180] __run_timers+0x7e5/0xc70 [ 311.195993] ? timer_fixup_init+0x70/0x70 [ 311.200147] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.205163] ? zap_class+0x640/0x640 [ 311.208884] ? print_usage_bug+0xc0/0xc0 [ 311.212993] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.218195] ? find_held_lock+0x36/0x1c0 [ 311.222267] ? zap_class+0x640/0x640 [ 311.225989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.231544] ? check_preemption_disabled+0x48/0x280 [ 311.236583] ? __lock_is_held+0xb5/0x140 [ 311.240647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.246187] ? check_preemption_disabled+0x48/0x280 [ 311.251222] run_timer_softirq+0x52/0xb0 [ 311.255283] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.260298] __do_softirq+0x308/0xb7e [ 311.264114] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 311.268607] ? lock_downgrade+0x900/0x900 [ 311.272832] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.277969] ? pvclock_read_flags+0x160/0x160 [ 311.282500] ? lapic_next_event+0x5a/0x90 [ 311.286658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.292202] ? kvm_clock_read+0x18/0x30 [ 311.296175] ? kvm_sched_clock_read+0x9/0x20 [ 311.300585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.306123] ? check_preemption_disabled+0x48/0x280 [ 311.311150] irq_exit+0x17f/0x1c0 [ 311.314608] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.319454] ? smp_reschedule_interrupt+0x109/0x650 [ 311.324486] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.330368] ? interrupt_entry+0xb5/0xc0 [ 311.334485] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.339516] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.344538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.349384] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.354399] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.359432] ? task_prio+0x50/0x50 [ 311.362979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.368532] ? check_preemption_disabled+0x48/0x280 [ 311.373555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.378407] apic_timer_interrupt+0xf/0x20 [ 311.382646] [ 311.384895] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 311.390089] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 311.408993] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.416701] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 311.423974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 311.431240] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 311.438509] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 311.445779] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 311.453082] retint_kernel+0x1b/0x2d [ 311.456801] RIP: 0010:dump_stack+0x358/0x39d [ 311.461225] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 311.480127] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 311.487834] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 311.495103] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 311.502369] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 311.509638] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 311.516905] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 311.524201] ? dump_stack+0x34f/0x39d [ 311.528020] ? dump_stack_print_info.cold.1+0x20/0x20 [ 311.533255] dump_header+0x27b/0xf72 [ 311.536989] ? mark_held_locks+0x130/0x130 [ 311.541227] ? pagefault_out_of_memory+0x197/0x197 [ 311.546167] ? __lock_acquire+0x62f/0x4c20 [ 311.550403] ? zap_class+0x640/0x640 [ 311.554129] ? percpu_ref_get_many+0x240/0x240 [ 311.558745] ? print_usage_bug+0xc0/0xc0 [ 311.562806] ? print_usage_bug+0xc0/0xc0 [ 311.566874] ? zap_class+0x640/0x640 [ 311.570593] ? print_usage_bug+0xc0/0xc0 [ 311.574656] ? print_usage_bug+0xc0/0xc0 [ 311.578729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.584272] ? find_held_lock+0x36/0x1c0 [ 311.588344] ? mark_held_locks+0xc7/0x130 [ 311.592500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.597606] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.602724] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.607321] ? trace_hardirqs_on+0xbd/0x310 [ 311.611656] ? kasan_check_read+0x11/0x20 [ 311.615803] ? ___ratelimit+0x3b4/0x672 [ 311.619782] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.624890] ? trace_hardirqs_on+0x310/0x310 [ 311.629298] ? lock_downgrade+0x900/0x900 [ 311.633461] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.638575] ? ___ratelimit+0x3b9/0x672 [ 311.642554] ? idr_get_free+0xf70/0xf70 [ 311.646532] ? find_held_lock+0x36/0x1c0 [ 311.650613] oom_kill_process.cold.27+0x10/0x903 [ 311.655386] ? zap_class+0x640/0x640 [ 311.659104] ? check_preemption_disabled+0x48/0x280 [ 311.664123] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.669059] ? kasan_check_read+0x11/0x20 [ 311.673212] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.678500] ? oom_evaluate_task+0x540/0x540 [ 311.682924] ? find_held_lock+0x36/0x1c0 [ 311.687007] ? out_of_memory+0x974/0x1430 [ 311.691156] ? lock_downgrade+0x900/0x900 [ 311.695304] ? check_preemption_disabled+0x48/0x280 [ 311.700415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.705448] ? kasan_check_read+0x11/0x20 [ 311.709611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.714887] ? rcu_softirq_qs+0x20/0x20 [ 311.718867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.724402] ? oom_evaluate_task+0x302/0x540 [ 311.728828] out_of_memory+0xa84/0x1430 [ 311.732836] ? oom_killer_disable+0x3a0/0x3a0 [ 311.737357] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 311.742295] ? __ww_mutex_check_waiters+0x160/0x160 [ 311.747326] __alloc_pages_slowpath+0x2354/0x2e10 [ 311.752199] ? warn_alloc+0x120/0x120 [ 311.756008] ? warn_alloc+0x120/0x120 [ 311.759827] ? warn_alloc+0x120/0x120 [ 311.763624] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.768732] ? print_usage_bug+0xc0/0xc0 [ 311.772796] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.777419] ? print_usage_bug+0xc0/0xc0 [ 311.781511] ? print_usage_bug+0xc0/0xc0 [ 311.785574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.791113] ? should_fail+0x22d/0xd01 [ 311.795007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.800115] ? zap_class+0x640/0x640 [ 311.803857] ? __lock_is_held+0xb5/0x140 [ 311.807928] ? zap_class+0x640/0x640 [ 311.811651] ? lock_release+0xa00/0xa00 [ 311.815627] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.821081] ? check_preemption_disabled+0x48/0x280 [ 311.826111] ? __might_sleep+0x95/0x190 [ 311.830093] __alloc_pages_nodemask+0xa80/0xde0 [ 311.834765] ? zap_class+0x640/0x640 [ 311.838484] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 311.843515] ? mark_held_locks+0xc7/0x130 [ 311.847668] ? cache_grow_begin+0x65/0x8c0 [ 311.851905] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.856493] ? trace_hardirqs_on+0xbd/0x310 [ 311.860816] ? fallback_alloc+0x204/0x2e0 [ 311.864973] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.870113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 311.875670] cache_grow_begin+0xa5/0x8c0 [ 311.879738] ? do_raw_spin_unlock+0xa7/0x330 [ 311.884154] fallback_alloc+0x204/0x2e0 [ 311.888151] ____cache_alloc_node+0x1c7/0x1e0 [ 311.892654] kmem_cache_alloc_node+0xe3/0x730 [ 311.897166] __alloc_skb+0x119/0x770 [ 311.900897] ? netdev_alloc_frag+0x1f0/0x1f0 [ 311.905320] ? if_nlmsg_size+0x5d1/0xbb0 [ 311.909399] ? rtnetlink_put_metrics+0x690/0x690 [ 311.914202] ? sk_psock_stop_strp+0x120/0x120 [ 311.918717] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 311.923733] ? netif_tx_stop_all_queues+0xd9/0x110 [ 311.928672] rtmsg_ifinfo_build_skb+0x74/0x190 [ 311.933290] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 311.938143] rtmsg_ifinfo+0x8c/0xa0 [ 311.941779] dev_close_many+0x3be/0x860 [ 311.945765] ? dev_fill_metadata_dst+0x840/0x840 [ 311.950525] ? find_held_lock+0x36/0x1c0 [ 311.954598] ? __queue_work+0x671/0x1440 [ 311.958665] ? lock_downgrade+0x900/0x900 [ 311.962840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.968390] ? rtnl_is_locked+0xb5/0xf0 [ 311.972372] ? rtnl_trylock+0x20/0x20 [ 311.976247] ? do_raw_spin_unlock+0xa7/0x330 [ 311.980672] ? do_raw_spin_trylock+0x270/0x270 [ 311.985291] rollback_registered_many+0x543/0x1250 [ 311.990260] ? generic_xdp_install+0x5a0/0x5a0 [ 311.994851] ? flush_rcu_work+0x90/0x90 [ 311.998830] ? zap_class+0x640/0x640 [ 312.002557] ? print_usage_bug+0xc0/0xc0 [ 312.006623] ? print_usage_bug+0xc0/0xc0 [ 312.010688] ? zap_class+0x640/0x640 [ 312.014420] ? print_usage_bug+0xc0/0xc0 [ 312.018517] ? find_held_lock+0x36/0x1c0 [ 312.022597] ? mark_held_locks+0xc7/0x130 [ 312.026775] rollback_registered+0x1e9/0x420 [ 312.031182] ? lockdep_hardirqs_on+0x321/0x5b0 [ 312.035767] ? rollback_registered_many+0x1250/0x1250 [ 312.040963] ? trace_hardirqs_on+0xbd/0x310 [ 312.045285] ? linkwatch_schedule_work+0x150/0x170 [ 312.050231] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.055341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.060970] ? rtnl_is_locked+0xb5/0xf0 [ 312.064951] ? rtnl_trylock+0x20/0x20 [ 312.068782] ? queue_delayed_work_on+0x130/0x1f0 [ 312.073545] unregister_netdevice_queue+0x321/0x5e0 [ 312.078570] ? rollback_registered+0x420/0x420 [ 312.083176] ? linkwatch_schedule_work+0x170/0x170 [ 312.088111] ? tun_setup+0x2d0/0x2d0 [ 312.091846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.097388] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 312.102796] ? __tun_detach+0x6ba/0x15c0 [ 312.106870] __tun_detach+0x11b8/0x15c0 [ 312.110861] ? __call_rcu.constprop.55+0x3ea/0x950 [ 312.115817] ? __call_rcu.constprop.55+0x3ea/0x950 [ 312.120784] ? tun_attach+0x1900/0x1900 [ 312.124762] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.129870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.135412] ? check_preemption_disabled+0x48/0x280 [ 312.140441] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 312.145052] ? zap_class+0x640/0x640 [ 312.148766] ? fsnotify+0x4e5/0xf20 [ 312.152412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.157991] ? locks_remove_file+0x3c6/0x5c0 [ 312.162400] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 312.167967] ? ima_file_free+0x132/0x650 [ 312.172050] ? __lock_is_held+0xb5/0x140 [ 312.176119] ? __tun_detach+0x15c0/0x15c0 [ 312.180313] ? __tun_detach+0x15c0/0x15c0 [ 312.184473] tun_chr_close+0xe3/0x180 [ 312.188278] __fput+0x385/0xa30 [ 312.191568] ? get_max_files+0x20/0x20 [ 312.195480] ? perf_trace_sched_process_exec+0x860/0x860 [ 312.200943] ____fput+0x15/0x20 [ 312.204245] task_work_run+0x1e8/0x2a0 [ 312.208135] ? task_work_cancel+0x240/0x240 [ 312.212463] ? switch_task_namespaces+0xb8/0xd0 [ 312.217137] do_exit+0x1ad6/0x26d0 [ 312.220684] ? mm_update_next_owner+0x990/0x990 [ 312.225378] ? print_usage_bug+0xc0/0xc0 [ 312.229458] ? find_held_lock+0x36/0x1c0 [ 312.233562] ? mark_held_locks+0x130/0x130 [ 312.237807] ? __lock_acquire+0x62f/0x4c20 [ 312.242044] ? pipe_wait+0x266/0x2c0 [ 312.245774] ? lock_release+0xa00/0xa00 [ 312.249776] ? mark_held_locks+0x130/0x130 [ 312.254024] ? __mutex_lock+0x85e/0x16f0 [ 312.258084] ? __switch_to_asm+0x40/0x70 [ 312.262193] ? pipe_wait+0x266/0x2c0 [ 312.265916] ? __switch_to_asm+0x34/0x70 [ 312.269993] ? __switch_to_asm+0x40/0x70 [ 312.274063] ? mutex_trylock+0x2b0/0x2b0 [ 312.278143] ? zap_class+0x640/0x640 [ 312.281907] ? zap_class+0x640/0x640 [ 312.285644] ? find_held_lock+0x36/0x1c0 [ 312.289730] ? memset+0x31/0x40 [ 312.293033] ? find_held_lock+0x36/0x1c0 [ 312.297106] ? get_signal+0x95b/0x1980 [ 312.301002] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.305514] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.310028] do_group_exit+0x177/0x440 [ 312.313923] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.319034] ? __ia32_sys_exit+0x50/0x50 [ 312.323114] get_signal+0x8b0/0x1980 [ 312.326848] ? ptrace_notify+0x130/0x130 [ 312.330983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.336521] ? pipe_read+0x702/0x940 [ 312.340251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.345801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.351367] ? __vfs_read+0x11f/0x9b0 [ 312.355178] do_signal+0x9c/0x21c0 [ 312.358725] ? fsnotify+0xf20/0xf20 [ 312.362358] ? setup_sigcontext+0x7d0/0x7d0 [ 312.366691] ? exit_to_usermode_loop+0x8c/0x380 [ 312.371387] ? exit_to_usermode_loop+0x8c/0x380 [ 312.376057] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 312.380650] ? trace_hardirqs_on+0xbd/0x310 [ 312.385005] ? do_syscall_64+0x6be/0x820 [ 312.389075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.394623] exit_to_usermode_loop+0x2e5/0x380 [ 312.399209] ? __bpf_trace_sys_exit+0x30/0x30 [ 312.403715] do_syscall_64+0x6be/0x820 [ 312.407644] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.413010] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.417939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.422799] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.427822] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.432849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.437714] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.442930] RIP: 0033:0x410fa0 [ 312.446138] Code: Bad RIP value. [ 312.449504] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 312.457210] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 312.464481] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 312.471777] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 312.479055] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 312.486318] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 312.493614] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 312.493703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.500982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.500991] Call Trace: [ 312.507598] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.516850] [ 312.519420] syz-executor5 cpuset=syz5 mems_allowed=0 [ 312.529912] dump_stack+0x244/0x39d [ 312.540780] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.545985] warn_alloc.cold.116+0xb7/0x1bd [ 312.550312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.555188] ? lock_downgrade+0x900/0x900 [ 312.559362] ? trace_hardirqs_off+0xb8/0x310 [ 312.563782] ? trace_hardirqs_off+0xb8/0x310 [ 312.568200] __alloc_pages_slowpath+0x26e8/0x2e10 [ 312.573077] ? warn_alloc+0x120/0x120 [ 312.576895] ? print_usage_bug+0xc0/0xc0 [ 312.580959] ? warn_alloc+0x120/0x120 [ 312.585287] ? warn_alloc+0x120/0x120 [ 312.589090] ? print_usage_bug+0xc0/0xc0 [ 312.593157] ? print_usage_bug+0xc0/0xc0 [ 312.597221] ? __lock_acquire+0x62f/0x4c20 [ 312.601486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.607057] ? should_fail+0x22d/0xd01 [ 312.610952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.616060] ? __lock_acquire+0x62f/0x4c20 [ 312.620314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.625417] ? __lock_acquire+0x62f/0x4c20 [ 312.629696] ? should_fail+0x22d/0xd01 [ 312.633587] ? find_held_lock+0x36/0x1c0 [ 312.637659] ? mark_held_locks+0x130/0x130 [ 312.641913] ? mark_held_locks+0x130/0x130 [ 312.646147] ? zap_class+0x640/0x640 [ 312.649860] ? zap_class+0x640/0x640 [ 312.653580] ? print_usage_bug+0xc0/0xc0 [ 312.657641] ? do_raw_spin_unlock+0xa7/0x330 [ 312.662051] ? zap_class+0x640/0x640 [ 312.665767] ? print_usage_bug+0xc0/0xc0 [ 312.669830] ? wq_watchdog_touch+0x9c/0xfe [ 312.674068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.679608] ? check_preemption_disabled+0x48/0x280 [ 312.684635] ? __lock_is_held+0xb5/0x140 [ 312.688706] __alloc_pages_nodemask+0xa80/0xde0 [ 312.693422] ? zap_class+0x640/0x640 [ 312.697159] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 312.702189] ? find_held_lock+0x36/0x1c0 [ 312.706280] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.710952] ? lock_downgrade+0x900/0x900 [ 312.715216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.720761] cache_grow_begin+0xa5/0x8c0 [ 312.724833] ? do_raw_spin_unlock+0xa7/0x330 [ 312.729252] fallback_alloc+0x204/0x2e0 [ 312.733247] ____cache_alloc_node+0x1c7/0x1e0 [ 312.737764] kmem_cache_alloc_node+0xe3/0x730 [ 312.742262] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.746510] __alloc_skb+0x119/0x770 [ 312.750227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.755514] ? netdev_alloc_frag+0x1f0/0x1f0 [ 312.759924] ? lock_downgrade+0x900/0x900 [ 312.764085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.769655] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.775129] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.780582] ? addrconf_rs_timer+0x690/0x690 [ 312.785009] ndisc_alloc_skb+0x144/0x340 [ 312.789077] ndisc_send_rs+0x331/0x6e0 [ 312.792976] addrconf_rs_timer+0x314/0x690 [ 312.797220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.801515] call_timer_fn+0x272/0x920 [ 312.805403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.809646] ? process_timeout+0x40/0x40 [ 312.813719] ? __run_timers+0x7da/0xc70 [ 312.817707] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.822218] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.826714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.830953] ? lockdep_hardirqs_on+0x296/0x5b0 [ 312.835563] ? trace_hardirqs_on+0xbd/0x310 [ 312.839884] ? kasan_check_read+0x11/0x20 [ 312.844035] ? __run_timers+0x7da/0xc70 [ 312.848016] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.853126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.857370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.861619] __run_timers+0x7e5/0xc70 [ 312.865465] ? timer_fixup_init+0x70/0x70 [ 312.869630] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.874649] ? zap_class+0x640/0x640 [ 312.878373] ? enqueue_hrtimer+0x1a5/0x560 [ 312.882612] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.887813] ? find_held_lock+0x36/0x1c0 [ 312.891881] ? zap_class+0x640/0x640 [ 312.895599] ? pvclock_read_flags+0x160/0x160 [ 312.900102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.905648] ? check_preemption_disabled+0x48/0x280 [ 312.910677] ? __lock_is_held+0xb5/0x140 [ 312.914745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.920286] ? check_preemption_disabled+0x48/0x280 [ 312.925346] run_timer_softirq+0x52/0xb0 [ 312.929405] ? rcu_read_lock_sched_held+0x14f/0x180 [ 312.934443] __do_softirq+0x308/0xb7e [ 312.938259] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 312.942755] ? lock_downgrade+0x900/0x900 [ 312.946914] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 312.952029] ? pvclock_read_flags+0x160/0x160 [ 312.956528] ? lapic_next_event+0x5a/0x90 [ 312.960681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.966228] ? kvm_clock_read+0x18/0x30 [ 312.970229] ? kvm_sched_clock_read+0x9/0x20 [ 312.974653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.980197] ? check_preemption_disabled+0x48/0x280 [ 312.985283] irq_exit+0x17f/0x1c0 [ 312.988791] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.993676] ? smp_reschedule_interrupt+0x109/0x650 [ 312.998740] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.004642] ? interrupt_entry+0xb5/0xc0 [ 313.008711] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.013745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.018791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.023635] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.028660] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.033678] ? task_prio+0x50/0x50 [ 313.037219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.042756] ? check_preemption_disabled+0x48/0x280 [ 313.047783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.052643] apic_timer_interrupt+0xf/0x20 [ 313.056874] [ 313.059115] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 313.065015] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 313.083915] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.091654] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.098921] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 313.106189] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 313.113464] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 313.120732] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 313.128037] ? save_stack+0xa9/0xd0 [ 313.131680] __kmalloc_node_track_caller+0x3c/0x70 [ 313.136619] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 313.141390] pskb_expand_head+0x230/0x10f0 [ 313.145642] ? memcpy+0x45/0x50 [ 313.148930] ? __copy_skb_header+0x350/0x6b0 [ 313.153343] ? skb_release_data+0x880/0x880 [ 313.157669] ? __alloc_skb+0x770/0x770 [ 313.161572] ? __lock_is_held+0xb5/0x140 [ 313.165641] ? kasan_check_write+0x14/0x20 [ 313.169876] ? __skb_clone+0x6c7/0xa00 [ 313.173786] ? __copy_skb_header+0x6b0/0x6b0 [ 313.178195] ? kmem_cache_alloc+0x33a/0x730 [ 313.182530] skb_ensure_writable+0x3dd/0x640 [ 313.186977] ? skb_checksum_setup+0xaa0/0xaa0 [ 313.191493] ? check_preemption_disabled+0x48/0x280 [ 313.196521] ? __this_cpu_preempt_check+0x1c/0x20 [ 313.201470] ? __bpf_redirect+0x54b/0xb20 [ 313.205629] bpf_clone_redirect+0x14a/0x490 [ 313.209964] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 313.214986] ? __sched_text_start+0x8/0x8 [ 313.219139] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 313.223721] ? retint_kernel+0x2d/0x2d [ 313.227611] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.232547] ? find_held_lock+0x36/0x1c0 [ 313.236617] ? lock_acquire+0x1ed/0x520 [ 313.240593] ? bpf_test_run+0x3cb/0x780 [ 313.244573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.250114] ? check_preemption_disabled+0x48/0x280 [ 313.255146] ? kasan_check_read+0x11/0x20 [ 313.259306] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.264586] ? rcu_softirq_qs+0x20/0x20 [ 313.268567] ? preempt_schedule+0x4d/0x60 [ 313.272731] ? ___preempt_schedule+0x16/0x18 [ 313.277147] ? bpf_test_run+0x25d/0x780 [ 313.281152] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.285579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.291119] ? bpf_test_init.isra.10+0x70/0x100 [ 313.295800] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 313.300569] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.305413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.310972] ? fput+0x130/0x1a0 [ 313.314256] ? __bpf_prog_get+0x9b/0x290 [ 313.318322] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.323165] ? bpf_prog_test_run+0x130/0x1a0 [ 313.327583] ? __x64_sys_bpf+0x3d8/0x520 [ 313.331659] ? bpf_prog_get+0x20/0x20 [ 313.335509] ? do_syscall_64+0x1b9/0x820 [ 313.339569] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.344933] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.349865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.354712] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.359733] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.364756] ? prepare_exit_to_usermode+0x291/0x3b0 [ 313.369816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.374666] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.380050] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 313.380056] warn_alloc_show_mem: 1 callbacks suppressed [ 313.380063] Mem-Info: [ 313.387339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.392708] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 313.392708] active_file:12 inactive_file:13 isolated_file:0 [ 313.392708] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.392708] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 313.392708] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 313.392708] free:13733 free_pcp:586 free_cma:0 [ 313.395090] Call Trace: [ 313.404488] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.437330] [ 313.439900] 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 [ 313.467338] dump_stack+0x244/0x39d [ 313.469466] lowmem_reserve[]: 0 2818 6321 6321 [ 313.495573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.499191] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 313.503791] warn_alloc.cold.116+0xb7/0x1bd [ 313.508953] lowmem_reserve[]: 0 0 3503 3503 [ 313.536535] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.540837] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 313.545157] ? lock_downgrade+0x900/0x900 [ 313.549977] lowmem_reserve[]: 0 0 0 0 [ 313.578958] ? trace_hardirqs_off+0xb8/0x310 [ 313.583119] 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 [ 313.586920] ? trace_hardirqs_off+0xb8/0x310 [ 313.591301] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 313.604823] __alloc_pages_slowpath+0x26e8/0x2e10 [ 313.609215] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 313.624581] ? warn_alloc+0x120/0x120 [ 313.629382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 313.643241] ? print_usage_bug+0xc0/0xc0 [ 313.647029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 313.655898] ? warn_alloc+0x120/0x120 [ 313.659940] 269 total pagecache pages [ 313.668526] ? warn_alloc+0x120/0x120 [ 313.672318] 0 pages in swap cache [ 313.676126] ? print_usage_bug+0xc0/0xc0 [ 313.679904] Swap cache stats: add 0, delete 0, find 0/0 [ 313.683358] ? kvm_clock_read+0x18/0x30 [ 313.687397] Free swap = 0kB [ 313.692753] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.696700] Total swap = 0kB [ 313.699714] ? print_usage_bug+0xc0/0xc0 [ 313.704723] 1965979 pages RAM [ 313.707736] ? __lock_acquire+0x62f/0x4c20 [ 313.711774] 0 pages HighMem/MovableOnly [ 313.714908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.719129] 342853 pages reserved [ 313.723115] ? should_fail+0x22d/0xd01 [ 313.728631] 0 pages cma reserved [ 313.732081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.736035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.739333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.744677] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.751095] ? __lock_acquire+0x62f/0x4c20 [ 313.756176] syz-executor0 cpuset=syz0 mems_allowed=0 [ 313.766657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.781086] ? __lock_acquire+0x62f/0x4c20 [ 313.785323] ? should_fail+0x22d/0xd01 [ 313.789247] ? rcu_irq_exit+0x1a2/0x390 [ 313.793248] ? mark_held_locks+0x130/0x130 [ 313.797490] ? mark_held_locks+0x130/0x130 [ 313.801737] ? mark_held_locks+0xc7/0x130 [ 313.805907] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 313.810938] ? zap_class+0x640/0x640 [ 313.814710] ? print_usage_bug+0xc0/0xc0 [ 313.818796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.824337] ? check_preemption_disabled+0x48/0x280 [ 313.829366] ? __lock_is_held+0xb5/0x140 [ 313.833456] __alloc_pages_nodemask+0xa80/0xde0 [ 313.838146] ? zap_class+0x640/0x640 [ 313.841883] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 313.846907] ? find_held_lock+0x36/0x1c0 [ 313.850995] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.855699] ? lock_downgrade+0x900/0x900 [ 313.859871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.865477] cache_grow_begin+0xa5/0x8c0 [ 313.869541] ? do_raw_spin_unlock+0xa7/0x330 [ 313.873982] fallback_alloc+0x204/0x2e0 [ 313.877978] ____cache_alloc_node+0x1c7/0x1e0 [ 313.882493] kmem_cache_alloc_node+0xe3/0x730 [ 313.886994] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.891239] __alloc_skb+0x119/0x770 [ 313.894970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.900253] ? netdev_alloc_frag+0x1f0/0x1f0 [ 313.904665] ? lock_downgrade+0x900/0x900 [ 313.908840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.914380] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.919835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.925288] ? addrconf_rs_timer+0x690/0x690 [ 313.929753] ndisc_alloc_skb+0x144/0x340 [ 313.933820] ndisc_send_rs+0x331/0x6e0 [ 313.937716] addrconf_rs_timer+0x314/0x690 [ 313.941964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.946242] call_timer_fn+0x272/0x920 [ 313.950131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.954365] ? process_timeout+0x40/0x40 [ 313.958446] ? mark_held_locks+0xc7/0x130 [ 313.962598] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.967094] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.971589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.975825] ? lockdep_hardirqs_on+0x296/0x5b0 [ 313.980408] ? trace_hardirqs_on+0xbd/0x310 [ 313.984767] ? kasan_check_read+0x11/0x20 [ 313.988916] ? __run_timers+0x7da/0xc70 [ 313.992898] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.998021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.002261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.006586] __run_timers+0x7e5/0xc70 [ 314.010399] ? timer_fixup_init+0x70/0x70 [ 314.014560] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.019595] ? zap_class+0x640/0x640 [ 314.023350] ? print_usage_bug+0xc0/0xc0 [ 314.027432] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.032633] ? find_held_lock+0x36/0x1c0 [ 314.036703] ? zap_class+0x640/0x640 [ 314.040433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.046009] ? check_preemption_disabled+0x48/0x280 [ 314.051036] ? __lock_is_held+0xb5/0x140 [ 314.055116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.060658] ? check_preemption_disabled+0x48/0x280 [ 314.065682] run_timer_softirq+0x52/0xb0 [ 314.069743] ? rcu_read_lock_sched_held+0x14f/0x180 [ 314.074760] __do_softirq+0x308/0xb7e [ 314.078566] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 314.083061] ? lock_downgrade+0x900/0x900 [ 314.087227] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 314.092357] ? pvclock_read_flags+0x160/0x160 [ 314.096890] ? lapic_next_event+0x5a/0x90 [ 314.101043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.106588] ? kvm_clock_read+0x18/0x30 [ 314.110567] ? kvm_sched_clock_read+0x9/0x20 [ 314.114982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.120524] ? check_preemption_disabled+0x48/0x280 [ 314.125554] irq_exit+0x17f/0x1c0 [ 314.129013] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.133857] ? smp_reschedule_interrupt+0x109/0x650 [ 314.138876] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.144795] ? interrupt_entry+0xb5/0xc0 [ 314.148887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.153906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.158927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.163792] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.168811] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.173827] ? task_prio+0x50/0x50 [ 314.177372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.182934] ? check_preemption_disabled+0x48/0x280 [ 314.187966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.192831] apic_timer_interrupt+0xf/0x20 [ 314.197066] [ 314.199331] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 314.204538] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 314.223442] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 314.231166] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 314.238441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 314.245708] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 314.252972] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 314.260240] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 314.267550] retint_kernel+0x1b/0x2d [ 314.271264] RIP: 0010:dump_stack+0x358/0x39d [ 314.275742] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 314.294654] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 314.302362] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 314.309631] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 314.316897] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 314.324164] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 314.331441] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 314.338746] ? dump_stack+0x34f/0x39d [ 314.342565] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.347768] dump_header+0x27b/0xf72 [ 314.351490] ? mark_held_locks+0x130/0x130 [ 314.355726] ? pagefault_out_of_memory+0x197/0x197 [ 314.360677] ? __lock_acquire+0x62f/0x4c20 [ 314.364909] ? zap_class+0x640/0x640 [ 314.368624] ? percpu_ref_get_many+0x240/0x240 [ 314.373219] ? print_usage_bug+0xc0/0xc0 [ 314.377292] ? print_usage_bug+0xc0/0xc0 [ 314.381354] ? zap_class+0x640/0x640 [ 314.385074] ? print_usage_bug+0xc0/0xc0 [ 314.389136] ? print_usage_bug+0xc0/0xc0 [ 314.393206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.398751] ? find_held_lock+0x36/0x1c0 [ 314.402819] ? mark_held_locks+0xc7/0x130 [ 314.406974] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.412074] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.417180] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.421766] ? trace_hardirqs_on+0xbd/0x310 [ 314.426093] ? kasan_check_read+0x11/0x20 [ 314.430289] ? ___ratelimit+0x3b4/0x672 [ 314.434277] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.439383] ? trace_hardirqs_on+0x310/0x310 [ 314.443794] ? lock_downgrade+0x900/0x900 [ 314.447965] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.453074] ? ___ratelimit+0x3b9/0x672 [ 314.457057] ? idr_get_free+0xf70/0xf70 [ 314.461036] ? find_held_lock+0x36/0x1c0 [ 314.465106] oom_kill_process.cold.27+0x10/0x903 [ 314.469862] ? zap_class+0x640/0x640 [ 314.473590] ? check_preemption_disabled+0x48/0x280 [ 314.478629] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.483570] ? kasan_check_read+0x11/0x20 [ 314.487749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.493030] ? oom_evaluate_task+0x540/0x540 [ 314.497450] ? find_held_lock+0x36/0x1c0 [ 314.501543] ? out_of_memory+0x974/0x1430 [ 314.505718] ? lock_downgrade+0x900/0x900 [ 314.509878] ? check_preemption_disabled+0x48/0x280 [ 314.514901] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.519829] ? kasan_check_read+0x11/0x20 [ 314.524017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.529295] ? rcu_softirq_qs+0x20/0x20 [ 314.533292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.538829] ? oom_evaluate_task+0x302/0x540 [ 314.543244] out_of_memory+0xa84/0x1430 [ 314.547242] ? oom_killer_disable+0x3a0/0x3a0 [ 314.551737] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 314.556675] ? __ww_mutex_check_waiters+0x160/0x160 [ 314.561703] __alloc_pages_slowpath+0x2354/0x2e10 [ 314.566590] ? warn_alloc+0x120/0x120 [ 314.570413] ? warn_alloc+0x120/0x120 [ 314.574240] ? warn_alloc+0x120/0x120 [ 314.578070] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.583175] ? print_usage_bug+0xc0/0xc0 [ 314.587251] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.591832] ? print_usage_bug+0xc0/0xc0 [ 314.595898] ? print_usage_bug+0xc0/0xc0 [ 314.599976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.605516] ? should_fail+0x22d/0xd01 [ 314.609431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.614564] ? zap_class+0x640/0x640 [ 314.618302] ? __lock_is_held+0xb5/0x140 [ 314.622402] ? zap_class+0x640/0x640 [ 314.626130] ? lock_release+0xa00/0xa00 [ 314.630108] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.635566] ? check_preemption_disabled+0x48/0x280 [ 314.640612] ? __might_sleep+0x95/0x190 [ 314.644593] __alloc_pages_nodemask+0xa80/0xde0 [ 314.649259] ? zap_class+0x640/0x640 [ 314.652980] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 314.658009] ? mark_held_locks+0xc7/0x130 [ 314.662162] ? cache_grow_begin+0x65/0x8c0 [ 314.666419] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.671040] ? trace_hardirqs_on+0xbd/0x310 [ 314.675363] ? fallback_alloc+0x204/0x2e0 [ 314.679563] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.684676] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.690247] cache_grow_begin+0xa5/0x8c0 [ 314.694310] ? do_raw_spin_unlock+0xa7/0x330 [ 314.698728] fallback_alloc+0x204/0x2e0 [ 314.702738] ____cache_alloc_node+0x1c7/0x1e0 [ 314.707240] kmem_cache_alloc_node+0xe3/0x730 [ 314.711748] __alloc_skb+0x119/0x770 [ 314.715572] ? netdev_alloc_frag+0x1f0/0x1f0 [ 314.719985] ? if_nlmsg_size+0x5d1/0xbb0 [ 314.724058] ? rtnetlink_put_metrics+0x690/0x690 [ 314.728825] ? sk_psock_stop_strp+0x120/0x120 [ 314.733319] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 314.738339] ? netif_tx_stop_all_queues+0xd9/0x110 [ 314.743288] rtmsg_ifinfo_build_skb+0x74/0x190 [ 314.747876] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 314.752724] rtmsg_ifinfo+0x8c/0xa0 [ 314.756358] dev_close_many+0x3be/0x860 [ 314.760339] ? dev_fill_metadata_dst+0x840/0x840 [ 314.765127] ? find_held_lock+0x36/0x1c0 [ 314.769210] ? __queue_work+0x671/0x1440 [ 314.773273] ? lock_downgrade+0x900/0x900 [ 314.777423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.782970] ? rtnl_is_locked+0xb5/0xf0 [ 314.786943] ? rtnl_trylock+0x20/0x20 [ 314.790750] ? do_raw_spin_unlock+0xa7/0x330 [ 314.795181] ? do_raw_spin_trylock+0x270/0x270 [ 314.799785] rollback_registered_many+0x543/0x1250 [ 314.804726] ? generic_xdp_install+0x5a0/0x5a0 [ 314.809315] ? flush_rcu_work+0x90/0x90 [ 314.813292] ? zap_class+0x640/0x640 [ 314.817012] ? print_usage_bug+0xc0/0xc0 [ 314.821077] ? print_usage_bug+0xc0/0xc0 [ 314.825165] ? zap_class+0x640/0x640 [ 314.828904] ? print_usage_bug+0xc0/0xc0 [ 314.832985] ? find_held_lock+0x36/0x1c0 [ 314.837099] ? mark_held_locks+0xc7/0x130 [ 314.841253] rollback_registered+0x1e9/0x420 [ 314.845662] ? lockdep_hardirqs_on+0x321/0x5b0 [ 314.850246] ? rollback_registered_many+0x1250/0x1250 [ 314.855446] ? trace_hardirqs_on+0xbd/0x310 [ 314.859773] ? linkwatch_schedule_work+0x150/0x170 [ 314.864709] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.869819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.875357] ? rtnl_is_locked+0xb5/0xf0 [ 314.879329] ? rtnl_trylock+0x20/0x20 [ 314.883137] ? queue_delayed_work_on+0x130/0x1f0 [ 314.887928] unregister_netdevice_queue+0x321/0x5e0 [ 314.892959] ? rollback_registered+0x420/0x420 [ 314.897563] ? linkwatch_schedule_work+0x170/0x170 [ 314.902499] ? tun_setup+0x2d0/0x2d0 [ 314.906216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.911758] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 314.917144] ? __tun_detach+0x6ba/0x15c0 [ 314.921226] __tun_detach+0x11b8/0x15c0 [ 314.925203] ? __call_rcu.constprop.55+0x3ea/0x950 [ 314.930133] ? __call_rcu.constprop.55+0x3ea/0x950 [ 314.935069] ? tun_attach+0x1900/0x1900 [ 314.939073] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.944195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.949736] ? check_preemption_disabled+0x48/0x280 [ 314.954751] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.959362] ? zap_class+0x640/0x640 [ 314.963080] ? fsnotify+0x4e5/0xf20 [ 314.966731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.972278] ? locks_remove_file+0x3c6/0x5c0 [ 314.976693] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.982232] ? ima_file_free+0x132/0x650 [ 314.986301] ? __lock_is_held+0xb5/0x140 [ 314.990371] ? __tun_detach+0x15c0/0x15c0 [ 314.994563] ? __tun_detach+0x15c0/0x15c0 [ 314.998716] tun_chr_close+0xe3/0x180 [ 315.002520] __fput+0x385/0xa30 [ 315.005822] ? get_max_files+0x20/0x20 [ 315.009718] ? perf_trace_sched_process_exec+0x860/0x860 [ 315.015209] ____fput+0x15/0x20 [ 315.018495] task_work_run+0x1e8/0x2a0 [ 315.022409] ? task_work_cancel+0x240/0x240 [ 315.026759] ? switch_task_namespaces+0xb8/0xd0 [ 315.031444] do_exit+0x1ad6/0x26d0 [ 315.034995] ? mm_update_next_owner+0x990/0x990 [ 315.039681] ? print_usage_bug+0xc0/0xc0 [ 315.043746] ? find_held_lock+0x36/0x1c0 [ 315.047840] ? mark_held_locks+0x130/0x130 [ 315.052128] ? __lock_acquire+0x62f/0x4c20 [ 315.056363] ? pipe_wait+0x266/0x2c0 [ 315.060090] ? lock_release+0xa00/0xa00 [ 315.064075] ? mark_held_locks+0x130/0x130 [ 315.068338] ? __mutex_lock+0x85e/0x16f0 [ 315.072406] ? __switch_to_asm+0x40/0x70 [ 315.076476] ? pipe_wait+0x266/0x2c0 [ 315.080194] ? __switch_to_asm+0x34/0x70 [ 315.084270] ? __switch_to_asm+0x40/0x70 [ 315.088352] ? mutex_trylock+0x2b0/0x2b0 [ 315.092452] ? zap_class+0x640/0x640 [ 315.096217] ? zap_class+0x640/0x640 [ 315.099930] ? find_held_lock+0x36/0x1c0 [ 315.104023] ? memset+0x31/0x40 [ 315.107311] ? find_held_lock+0x36/0x1c0 [ 315.111384] ? get_signal+0x95b/0x1980 [ 315.115312] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.119809] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.124330] do_group_exit+0x177/0x440 [ 315.128231] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.133372] ? __ia32_sys_exit+0x50/0x50 [ 315.137459] get_signal+0x8b0/0x1980 [ 315.141196] ? ptrace_notify+0x130/0x130 [ 315.145298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.150844] ? pipe_read+0x702/0x940 [ 315.154565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.160216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.165777] ? __vfs_read+0x11f/0x9b0 [ 315.169622] do_signal+0x9c/0x21c0 [ 315.173173] ? fsnotify+0xf20/0xf20 [ 315.176820] ? setup_sigcontext+0x7d0/0x7d0 [ 315.181153] ? exit_to_usermode_loop+0x8c/0x380 [ 315.185869] ? exit_to_usermode_loop+0x8c/0x380 [ 315.190549] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 315.195143] ? trace_hardirqs_on+0xbd/0x310 [ 315.199471] ? do_syscall_64+0x6be/0x820 [ 315.203597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.209157] exit_to_usermode_loop+0x2e5/0x380 [ 315.213751] ? __bpf_trace_sys_exit+0x30/0x30 [ 315.218269] do_syscall_64+0x6be/0x820 [ 315.222177] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.227554] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.232491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.237345] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.242374] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.247422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.252308] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.257531] RIP: 0033:0x410fa0 [ 315.260741] Code: Bad RIP value. [ 315.264108] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 315.271819] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 315.279125] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 315.286402] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 315.293712] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 315.300985] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 315.308289] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 315.308353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.315665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.315686] Call Trace: [ 315.315693] [ 315.315716] dump_stack+0x244/0x39d [ 315.315732] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.315757] warn_alloc.cold.116+0xb7/0x1bd [ 315.322303] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.331611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.334191] syz-executor5 cpuset=syz5 mems_allowed=0 [ 315.336342] ? lock_downgrade+0x900/0x900 [ 315.374011] ? trace_hardirqs_off+0xb8/0x310 [ 315.378505] ? trace_hardirqs_off+0xb8/0x310 [ 315.382933] __alloc_pages_slowpath+0x26e8/0x2e10 [ 315.387848] ? warn_alloc+0x120/0x120 [ 315.391677] ? print_usage_bug+0xc0/0xc0 [ 315.395745] ? warn_alloc+0x120/0x120 [ 315.399557] ? warn_alloc+0x120/0x120 [ 315.403363] ? print_usage_bug+0xc0/0xc0 [ 315.407434] ? kvm_clock_read+0x18/0x30 [ 315.411462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.416491] ? print_usage_bug+0xc0/0xc0 [ 315.420590] ? __lock_acquire+0x62f/0x4c20 [ 315.424855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.430454] ? should_fail+0x22d/0xd01 [ 315.434362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.439651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.444769] ? __lock_acquire+0x62f/0x4c20 [ 315.449030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.454139] ? __lock_acquire+0x62f/0x4c20 [ 315.458375] ? should_fail+0x22d/0xd01 [ 315.462263] ? rcu_irq_exit+0x1a2/0x390 [ 315.466256] ? mark_held_locks+0x130/0x130 [ 315.470501] ? mark_held_locks+0x130/0x130 [ 315.474760] ? mark_held_locks+0xc7/0x130 [ 315.478926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 315.483980] ? zap_class+0x640/0x640 [ 315.487731] ? print_usage_bug+0xc0/0xc0 [ 315.491802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.497361] ? check_preemption_disabled+0x48/0x280 [ 315.502397] ? __lock_is_held+0xb5/0x140 [ 315.506497] __alloc_pages_nodemask+0xa80/0xde0 [ 315.511173] ? zap_class+0x640/0x640 [ 315.514895] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 315.519958] ? find_held_lock+0x36/0x1c0 [ 315.524033] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.528706] ? lock_downgrade+0x900/0x900 [ 315.532864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.538410] cache_grow_begin+0xa5/0x8c0 [ 315.542501] ? do_raw_spin_unlock+0xa7/0x330 [ 315.546935] fallback_alloc+0x204/0x2e0 [ 315.550933] ____cache_alloc_node+0x1c7/0x1e0 [ 315.555443] kmem_cache_alloc_node+0xe3/0x730 [ 315.559949] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.564193] __alloc_skb+0x119/0x770 [ 315.567906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.573189] ? netdev_alloc_frag+0x1f0/0x1f0 [ 315.577633] ? lock_downgrade+0x900/0x900 [ 315.581811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.587356] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.592828] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.598296] ? addrconf_rs_timer+0x690/0x690 [ 315.602719] ndisc_alloc_skb+0x144/0x340 [ 315.606786] ndisc_send_rs+0x331/0x6e0 [ 315.610682] addrconf_rs_timer+0x314/0x690 [ 315.614956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.619207] call_timer_fn+0x272/0x920 [ 315.623108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.627349] ? process_timeout+0x40/0x40 [ 315.631432] ? __run_timers+0x7da/0xc70 [ 315.635441] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.639943] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.644478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.648719] ? lockdep_hardirqs_on+0x296/0x5b0 [ 315.653323] ? trace_hardirqs_on+0xbd/0x310 [ 315.657662] ? kasan_check_read+0x11/0x20 [ 315.661867] ? __run_timers+0x7da/0xc70 [ 315.665862] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.670978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.675230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.679479] __run_timers+0x7e5/0xc70 [ 315.683298] ? timer_fixup_init+0x70/0x70 [ 315.687484] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.692539] ? zap_class+0x640/0x640 [ 315.696262] ? enqueue_hrtimer+0x1a5/0x560 [ 315.700509] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.705713] ? find_held_lock+0x36/0x1c0 [ 315.709789] ? zap_class+0x640/0x640 [ 315.713523] ? pvclock_read_flags+0x160/0x160 [ 315.718029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.723584] ? check_preemption_disabled+0x48/0x280 [ 315.728624] ? __lock_is_held+0xb5/0x140 [ 315.732697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.738244] ? check_preemption_disabled+0x48/0x280 [ 315.743294] run_timer_softirq+0x52/0xb0 [ 315.747360] ? rcu_read_lock_sched_held+0x14f/0x180 [ 315.752405] __do_softirq+0x308/0xb7e [ 315.756229] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 315.760745] ? lock_downgrade+0x900/0x900 [ 315.764908] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 315.770028] ? pvclock_read_flags+0x160/0x160 [ 315.774535] ? lapic_next_event+0x5a/0x90 [ 315.778697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.784251] ? kvm_clock_read+0x18/0x30 [ 315.788234] ? kvm_sched_clock_read+0x9/0x20 [ 315.792657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.798250] ? check_preemption_disabled+0x48/0x280 [ 315.803290] irq_exit+0x17f/0x1c0 [ 315.806755] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.811609] ? smp_reschedule_interrupt+0x109/0x650 [ 315.816643] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.822539] ? interrupt_entry+0xb5/0xc0 [ 315.826610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.831650] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.836718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.841570] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.846595] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.851622] ? task_prio+0x50/0x50 [ 315.855180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.860731] ? check_preemption_disabled+0x48/0x280 [ 315.865779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.870643] apic_timer_interrupt+0xf/0x20 [ 315.874875] [ 315.877138] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 315.883034] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 315.901950] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 315.909682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 315.916968] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 315.924255] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 315.931555] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 315.938838] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 315.946158] ? save_stack+0xa9/0xd0 [ 315.949814] __kmalloc_node_track_caller+0x3c/0x70 [ 315.954761] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 315.959542] pskb_expand_head+0x230/0x10f0 [ 315.963807] ? memcpy+0x45/0x50 [ 315.967112] ? __copy_skb_header+0x350/0x6b0 [ 315.971547] ? skb_release_data+0x880/0x880 [ 315.975889] ? __alloc_skb+0x770/0x770 [ 315.979805] ? __lock_is_held+0xb5/0x140 [ 315.983891] ? kasan_check_write+0x14/0x20 [ 315.988136] ? __skb_clone+0x6c7/0xa00 [ 315.992044] ? __copy_skb_header+0x6b0/0x6b0 [ 315.996464] ? kmem_cache_alloc+0x33a/0x730 [ 316.000804] skb_ensure_writable+0x3dd/0x640 [ 316.005223] ? skb_checksum_setup+0xaa0/0xaa0 [ 316.009727] ? check_preemption_disabled+0x48/0x280 [ 316.014762] ? __this_cpu_preempt_check+0x1c/0x20 [ 316.019614] ? __bpf_redirect+0x54b/0xb20 [ 316.023827] bpf_clone_redirect+0x14a/0x490 [ 316.028178] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 316.033214] ? __sched_text_start+0x8/0x8 [ 316.037380] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 316.041974] ? retint_kernel+0x2d/0x2d [ 316.045867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.050820] ? find_held_lock+0x36/0x1c0 [ 316.054905] ? lock_acquire+0x1ed/0x520 [ 316.058894] ? bpf_test_run+0x3cb/0x780 [ 316.062872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.068418] ? check_preemption_disabled+0x48/0x280 [ 316.073472] ? kasan_check_read+0x11/0x20 [ 316.077624] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.082909] ? rcu_softirq_qs+0x20/0x20 [ 316.086887] ? preempt_schedule+0x4d/0x60 [ 316.091065] ? ___preempt_schedule+0x16/0x18 [ 316.095508] ? bpf_test_run+0x25d/0x780 [ 316.099500] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.103918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.109482] ? bpf_test_init.isra.10+0x70/0x100 [ 316.114179] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 316.118952] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.123800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.129343] ? fput+0x130/0x1a0 [ 316.132629] ? __bpf_prog_get+0x9b/0x290 [ 316.136702] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.141547] ? bpf_prog_test_run+0x130/0x1a0 [ 316.145961] ? __x64_sys_bpf+0x3d8/0x520 [ 316.150027] ? bpf_prog_get+0x20/0x20 [ 316.153856] ? do_syscall_64+0x1b9/0x820 [ 316.157919] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.163289] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.168222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.173074] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.178095] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.183120] ? prepare_exit_to_usermode+0x291/0x3b0 [ 316.188147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.193003] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.198384] warn_alloc_show_mem: 1 callbacks suppressed [ 316.198396] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 316.198398] Mem-Info: [ 316.198439] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 316.198439] active_file:12 inactive_file:13 isolated_file:0 [ 316.198439] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.198439] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 316.198439] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 316.198439] free:13733 free_pcp:586 free_cma:0 [ 316.203780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.211063] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.213455] Call Trace: [ 316.213489] [ 316.246371] 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 [ 316.255748] dump_stack+0x244/0x39d [ 316.283140] lowmem_reserve[]: 0 2818 6321 6321 [ 316.285759] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.287906] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 316.314132] warn_alloc.cold.116+0xb7/0x1bd [ 316.317733] lowmem_reserve[]: 0 0 3503 3503 [ 316.322325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.327513] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 316.355379] ? lock_downgrade+0x900/0x900 [ 316.359680] lowmem_reserve[]: 0 0 0 0 [ 316.364015] ? trace_hardirqs_off+0xb8/0x310 [ 316.368847] 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 [ 316.397871] ? trace_hardirqs_off+0xb8/0x310 [ 316.401998] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 316.405801] __alloc_pages_slowpath+0x26e8/0x2e10 [ 316.410181] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 316.423735] ? warn_alloc+0x120/0x120 [ 316.428121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.443497] ? print_usage_bug+0xc0/0xc0 [ 316.448321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.448331] 269 total pagecache pages [ 316.462317] ? warn_alloc+0x120/0x120 [ 316.466105] 0 pages in swap cache [ 316.474946] ? warn_alloc+0x120/0x120 [ 316.479008] Swap cache stats: add 0, delete 0, find 0/0 [ 316.487588] ? print_usage_bug+0xc0/0xc0 [ 316.491365] Free swap = 0kB [ 316.491374] Total swap = 0kB [ 316.495174] ? print_usage_bug+0xc0/0xc0 [ 316.498606] 1965979 pages RAM [ 316.502448] ? __lock_acquire+0x62f/0x4c20 [ 316.507791] 0 pages HighMem/MovableOnly [ 316.511857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.514846] 342853 pages reserved [ 316.517860] ? should_fail+0x22d/0xd01 [ 316.521898] 0 pages cma reserved [ 316.525005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.529311] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.533203] ? __lock_acquire+0x62f/0x4c20 [ 316.533235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.533263] ? __lock_acquire+0x62f/0x4c20 [ 316.533279] ? should_fail+0x22d/0xd01 [ 316.538862] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.542258] ? find_held_lock+0x36/0x1c0 [ 316.546123] syz-executor0 cpuset=syz0 mems_allowed=0 [ 316.549499] ? mark_held_locks+0x130/0x130 [ 316.602733] ? mark_held_locks+0x130/0x130 [ 316.606974] ? zap_class+0x640/0x640 [ 316.610688] ? zap_class+0x640/0x640 [ 316.614407] ? print_usage_bug+0xc0/0xc0 [ 316.618477] ? do_raw_spin_unlock+0xa7/0x330 [ 316.622892] ? zap_class+0x640/0x640 [ 316.626626] ? print_usage_bug+0xc0/0xc0 [ 316.630688] ? wq_watchdog_touch+0x9c/0xfe [ 316.634955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.640502] ? check_preemption_disabled+0x48/0x280 [ 316.645535] ? __lock_is_held+0xb5/0x140 [ 316.649621] __alloc_pages_nodemask+0xa80/0xde0 [ 316.654300] ? zap_class+0x640/0x640 [ 316.658023] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 316.663052] ? find_held_lock+0x36/0x1c0 [ 316.667125] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.671798] ? lock_downgrade+0x900/0x900 [ 316.675980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.681540] cache_grow_begin+0xa5/0x8c0 [ 316.685604] ? do_raw_spin_unlock+0xa7/0x330 [ 316.690022] fallback_alloc+0x204/0x2e0 [ 316.694006] ____cache_alloc_node+0x1c7/0x1e0 [ 316.698507] kmem_cache_alloc_node+0xe3/0x730 [ 316.703004] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.707294] __alloc_skb+0x119/0x770 [ 316.711003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.716815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 316.721260] ? lock_downgrade+0x900/0x900 [ 316.725418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.730972] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.736433] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.741884] ? addrconf_rs_timer+0x690/0x690 [ 316.746306] ndisc_alloc_skb+0x144/0x340 [ 316.750374] ndisc_send_rs+0x331/0x6e0 [ 316.754268] addrconf_rs_timer+0x314/0x690 [ 316.758515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.762773] call_timer_fn+0x272/0x920 [ 316.766660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.770894] ? process_timeout+0x40/0x40 [ 316.774970] ? mark_held_locks+0xc7/0x130 [ 316.779164] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.783661] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.788170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.792406] ? lockdep_hardirqs_on+0x296/0x5b0 [ 316.797020] ? trace_hardirqs_on+0xbd/0x310 [ 316.801351] ? kasan_check_read+0x11/0x20 [ 316.805517] ? __run_timers+0x7da/0xc70 [ 316.809496] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.814619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.818859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.823107] __run_timers+0x7e5/0xc70 [ 316.826945] ? timer_fixup_init+0x70/0x70 [ 316.831101] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.836130] ? zap_class+0x640/0x640 [ 316.839888] ? print_usage_bug+0xc0/0xc0 [ 316.843972] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.849168] ? find_held_lock+0x36/0x1c0 [ 316.853233] ? zap_class+0x640/0x640 [ 316.856973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.862531] ? check_preemption_disabled+0x48/0x280 [ 316.867563] ? __lock_is_held+0xb5/0x140 [ 316.871625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.877166] ? check_preemption_disabled+0x48/0x280 [ 316.882187] run_timer_softirq+0x52/0xb0 [ 316.886264] ? rcu_read_lock_sched_held+0x14f/0x180 [ 316.891301] __do_softirq+0x308/0xb7e [ 316.895104] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 316.899596] ? lock_downgrade+0x900/0x900 [ 316.903752] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 316.908863] ? pvclock_read_flags+0x160/0x160 [ 316.913359] ? lapic_next_event+0x5a/0x90 [ 316.917508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.923083] ? kvm_clock_read+0x18/0x30 [ 316.927060] ? kvm_sched_clock_read+0x9/0x20 [ 316.931497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.937039] ? check_preemption_disabled+0x48/0x280 [ 316.942065] irq_exit+0x17f/0x1c0 [ 316.945540] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.950387] ? smp_reschedule_interrupt+0x109/0x650 [ 316.955403] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.961312] ? interrupt_entry+0xb5/0xc0 [ 316.965392] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.970437] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.975467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.980329] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.985361] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.990405] ? task_prio+0x50/0x50 [ 316.993961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.999512] ? check_preemption_disabled+0x48/0x280 [ 317.004540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.009418] apic_timer_interrupt+0xf/0x20 [ 317.013670] [ 317.015914] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 317.021107] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 317.040004] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 317.047711] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 317.055010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 317.062277] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 317.069545] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 317.076812] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 317.084108] retint_kernel+0x1b/0x2d [ 317.087836] RIP: 0010:dump_stack+0x358/0x39d [ 317.092269] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 317.111176] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 317.118882] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 317.126150] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 317.133455] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 317.140726] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 317.147991] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 317.155297] ? dump_stack+0x34f/0x39d [ 317.159124] ? dump_stack_print_info.cold.1+0x20/0x20 [ 317.164339] dump_header+0x27b/0xf72 [ 317.168064] ? mark_held_locks+0x130/0x130 [ 317.172301] ? pagefault_out_of_memory+0x197/0x197 [ 317.177241] ? __lock_acquire+0x62f/0x4c20 [ 317.181584] ? zap_class+0x640/0x640 [ 317.185301] ? percpu_ref_get_many+0x240/0x240 [ 317.189885] ? print_usage_bug+0xc0/0xc0 [ 317.193956] ? print_usage_bug+0xc0/0xc0 [ 317.198025] ? zap_class+0x640/0x640 [ 317.201741] ? print_usage_bug+0xc0/0xc0 [ 317.205801] ? print_usage_bug+0xc0/0xc0 [ 317.209884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.215446] ? find_held_lock+0x36/0x1c0 [ 317.219519] ? mark_held_locks+0xc7/0x130 [ 317.223673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.228790] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.233895] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.238482] ? trace_hardirqs_on+0xbd/0x310 [ 317.242816] ? kasan_check_read+0x11/0x20 [ 317.246984] ? ___ratelimit+0x3b4/0x672 [ 317.250963] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.256069] ? trace_hardirqs_on+0x310/0x310 [ 317.260494] ? lock_downgrade+0x900/0x900 [ 317.264663] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 317.269778] ? ___ratelimit+0x3b9/0x672 [ 317.273759] ? idr_get_free+0xf70/0xf70 [ 317.277746] ? find_held_lock+0x36/0x1c0 [ 317.281828] oom_kill_process.cold.27+0x10/0x903 [ 317.286581] ? zap_class+0x640/0x640 [ 317.290324] ? check_preemption_disabled+0x48/0x280 [ 317.295345] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.300269] ? kasan_check_read+0x11/0x20 [ 317.304413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.309709] ? oom_evaluate_task+0x540/0x540 [ 317.314119] ? find_held_lock+0x36/0x1c0 [ 317.318207] ? out_of_memory+0x974/0x1430 [ 317.322361] ? lock_downgrade+0x900/0x900 [ 317.326507] ? check_preemption_disabled+0x48/0x280 [ 317.331540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.336496] ? kasan_check_read+0x11/0x20 [ 317.340641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.345913] ? rcu_softirq_qs+0x20/0x20 [ 317.349888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.355434] ? oom_evaluate_task+0x302/0x540 [ 317.359868] out_of_memory+0xa84/0x1430 [ 317.363853] ? oom_killer_disable+0x3a0/0x3a0 [ 317.368353] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 317.373284] ? __ww_mutex_check_waiters+0x160/0x160 [ 317.378312] __alloc_pages_slowpath+0x2354/0x2e10 [ 317.383192] ? warn_alloc+0x120/0x120 [ 317.386997] ? warn_alloc+0x120/0x120 [ 317.390802] ? warn_alloc+0x120/0x120 [ 317.394597] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.399699] ? print_usage_bug+0xc0/0xc0 [ 317.403757] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.408352] ? print_usage_bug+0xc0/0xc0 [ 317.412418] ? print_usage_bug+0xc0/0xc0 [ 317.416492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.422028] ? should_fail+0x22d/0xd01 [ 317.425937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.431049] ? zap_class+0x640/0x640 [ 317.434801] ? __lock_is_held+0xb5/0x140 [ 317.438869] ? zap_class+0x640/0x640 [ 317.442588] ? lock_release+0xa00/0xa00 [ 317.446570] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.452022] ? check_preemption_disabled+0x48/0x280 [ 317.457050] ? __might_sleep+0x95/0x190 [ 317.461029] __alloc_pages_nodemask+0xa80/0xde0 [ 317.465695] ? zap_class+0x640/0x640 [ 317.469414] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 317.474458] ? mark_held_locks+0xc7/0x130 [ 317.478629] ? cache_grow_begin+0x65/0x8c0 [ 317.482865] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.487452] ? trace_hardirqs_on+0xbd/0x310 [ 317.491789] ? fallback_alloc+0x204/0x2e0 [ 317.495940] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.501056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.506640] cache_grow_begin+0xa5/0x8c0 [ 317.510704] ? do_raw_spin_unlock+0xa7/0x330 [ 317.515124] fallback_alloc+0x204/0x2e0 [ 317.519106] ____cache_alloc_node+0x1c7/0x1e0 [ 317.523622] kmem_cache_alloc_node+0xe3/0x730 [ 317.528133] __alloc_skb+0x119/0x770 [ 317.531855] ? netdev_alloc_frag+0x1f0/0x1f0 [ 317.536264] ? if_nlmsg_size+0x5d1/0xbb0 [ 317.540330] ? rtnetlink_put_metrics+0x690/0x690 [ 317.545106] ? sk_psock_stop_strp+0x120/0x120 [ 317.549628] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 317.554643] ? netif_tx_stop_all_queues+0xd9/0x110 [ 317.559579] rtmsg_ifinfo_build_skb+0x74/0x190 [ 317.564174] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 317.569021] rtmsg_ifinfo+0x8c/0xa0 [ 317.572655] dev_close_many+0x3be/0x860 [ 317.576652] ? dev_fill_metadata_dst+0x840/0x840 [ 317.581407] ? find_held_lock+0x36/0x1c0 [ 317.585500] ? __queue_work+0x671/0x1440 [ 317.589576] ? lock_downgrade+0x900/0x900 [ 317.593760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.599340] ? rtnl_is_locked+0xb5/0xf0 [ 317.603313] ? rtnl_trylock+0x20/0x20 [ 317.607123] ? do_raw_spin_unlock+0xa7/0x330 [ 317.611532] ? do_raw_spin_trylock+0x270/0x270 [ 317.616134] rollback_registered_many+0x543/0x1250 [ 317.621070] ? generic_xdp_install+0x5a0/0x5a0 [ 317.625660] ? flush_rcu_work+0x90/0x90 [ 317.629635] ? zap_class+0x640/0x640 [ 317.633355] ? print_usage_bug+0xc0/0xc0 [ 317.637443] ? print_usage_bug+0xc0/0xc0 [ 317.641509] ? zap_class+0x640/0x640 [ 317.645223] ? print_usage_bug+0xc0/0xc0 [ 317.649292] ? find_held_lock+0x36/0x1c0 [ 317.653366] ? mark_held_locks+0xc7/0x130 [ 317.657525] rollback_registered+0x1e9/0x420 [ 317.661936] ? lockdep_hardirqs_on+0x321/0x5b0 [ 317.666525] ? rollback_registered_many+0x1250/0x1250 [ 317.671714] ? trace_hardirqs_on+0xbd/0x310 [ 317.676038] ? linkwatch_schedule_work+0x150/0x170 [ 317.680999] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.686148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.691702] ? rtnl_is_locked+0xb5/0xf0 [ 317.695680] ? rtnl_trylock+0x20/0x20 [ 317.699485] ? queue_delayed_work_on+0x130/0x1f0 [ 317.704248] unregister_netdevice_queue+0x321/0x5e0 [ 317.709267] ? rollback_registered+0x420/0x420 [ 317.713871] ? linkwatch_schedule_work+0x170/0x170 [ 317.718819] ? tun_setup+0x2d0/0x2d0 [ 317.722542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.728092] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 317.733498] ? __tun_detach+0x6ba/0x15c0 [ 317.737579] __tun_detach+0x11b8/0x15c0 [ 317.741574] ? __call_rcu.constprop.55+0x3ea/0x950 [ 317.746511] ? __call_rcu.constprop.55+0x3ea/0x950 [ 317.751473] ? tun_attach+0x1900/0x1900 [ 317.755510] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.760628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.766207] ? check_preemption_disabled+0x48/0x280 [ 317.771232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.775832] ? zap_class+0x640/0x640 [ 317.779581] ? fsnotify+0x4e5/0xf20 [ 317.783217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.788761] ? locks_remove_file+0x3c6/0x5c0 [ 317.793187] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.798730] ? ima_file_free+0x132/0x650 [ 317.802819] ? __lock_is_held+0xb5/0x140 [ 317.806891] ? __tun_detach+0x15c0/0x15c0 [ 317.811054] ? __tun_detach+0x15c0/0x15c0 [ 317.815206] tun_chr_close+0xe3/0x180 [ 317.819018] __fput+0x385/0xa30 [ 317.822310] ? get_max_files+0x20/0x20 [ 317.826246] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.831712] ____fput+0x15/0x20 [ 317.835001] task_work_run+0x1e8/0x2a0 [ 317.838896] ? task_work_cancel+0x240/0x240 [ 317.843228] ? switch_task_namespaces+0xb8/0xd0 [ 317.847910] do_exit+0x1ad6/0x26d0 [ 317.851473] ? mm_update_next_owner+0x990/0x990 [ 317.856152] ? print_usage_bug+0xc0/0xc0 [ 317.860227] ? find_held_lock+0x36/0x1c0 [ 317.864305] ? mark_held_locks+0x130/0x130 [ 317.868552] ? __lock_acquire+0x62f/0x4c20 [ 317.872787] ? pipe_wait+0x266/0x2c0 [ 317.876542] ? lock_release+0xa00/0xa00 [ 317.880557] ? mark_held_locks+0x130/0x130 [ 317.884818] ? __mutex_lock+0x85e/0x16f0 [ 317.888880] ? __switch_to_asm+0x40/0x70 [ 317.892946] ? pipe_wait+0x266/0x2c0 [ 317.896671] ? __switch_to_asm+0x34/0x70 [ 317.900732] ? __switch_to_asm+0x40/0x70 [ 317.904804] ? mutex_trylock+0x2b0/0x2b0 [ 317.908874] ? zap_class+0x640/0x640 [ 317.912614] ? zap_class+0x640/0x640 [ 317.916332] ? find_held_lock+0x36/0x1c0 [ 317.920412] ? memset+0x31/0x40 [ 317.923740] ? find_held_lock+0x36/0x1c0 [ 317.927834] ? get_signal+0x95b/0x1980 [ 317.931733] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.936236] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.940746] do_group_exit+0x177/0x440 [ 317.944649] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.949763] ? __ia32_sys_exit+0x50/0x50 [ 317.953842] get_signal+0x8b0/0x1980 [ 317.957572] ? ptrace_notify+0x130/0x130 [ 317.961645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.967192] ? pipe_read+0x702/0x940 [ 317.970918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.976486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.982033] ? __vfs_read+0x11f/0x9b0 [ 317.985847] do_signal+0x9c/0x21c0 [ 317.989398] ? fsnotify+0xf20/0xf20 [ 317.993052] ? setup_sigcontext+0x7d0/0x7d0 [ 317.997394] ? exit_to_usermode_loop+0x8c/0x380 [ 318.002080] ? exit_to_usermode_loop+0x8c/0x380 [ 318.006757] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 318.011346] ? trace_hardirqs_on+0xbd/0x310 [ 318.015695] ? do_syscall_64+0x6be/0x820 [ 318.019795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.025349] exit_to_usermode_loop+0x2e5/0x380 [ 318.029943] ? __bpf_trace_sys_exit+0x30/0x30 [ 318.034474] do_syscall_64+0x6be/0x820 [ 318.038369] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 318.043745] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.048684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.053541] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.058574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 318.063606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.068475] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 318.073671] RIP: 0033:0x410fa0 [ 318.076889] Code: Bad RIP value. [ 318.080258] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 318.087975] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 318.095252] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 318.102530] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 318.109820] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 318.117113] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 318.124446] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 318.124513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.131826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.131837] Call Trace: [ 318.138455] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.147686] [ 318.150261] syz-executor5 cpuset=syz5 mems_allowed=0 [ 318.160750] dump_stack+0x244/0x39d [ 318.171604] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.176820] warn_alloc.cold.116+0xb7/0x1bd [ 318.181156] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.186011] ? lock_downgrade+0x900/0x900 [ 318.190181] ? trace_hardirqs_off+0xb8/0x310 [ 318.194606] ? trace_hardirqs_off+0xb8/0x310 [ 318.199031] __alloc_pages_slowpath+0x26e8/0x2e10 [ 318.203908] ? warn_alloc+0x120/0x120 [ 318.207732] ? print_usage_bug+0xc0/0xc0 [ 318.211803] ? warn_alloc+0x120/0x120 [ 318.215612] ? warn_alloc+0x120/0x120 [ 318.219419] ? print_usage_bug+0xc0/0xc0 [ 318.223516] ? print_usage_bug+0xc0/0xc0 [ 318.227588] ? __lock_acquire+0x62f/0x4c20 [ 318.231834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.237377] ? should_fail+0x22d/0xd01 [ 318.241274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.246386] ? __lock_acquire+0x62f/0x4c20 [ 318.250636] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.255756] ? __lock_acquire+0x62f/0x4c20 [ 318.260017] ? should_fail+0x22d/0xd01 [ 318.263915] ? find_held_lock+0x36/0x1c0 [ 318.267986] ? mark_held_locks+0x130/0x130 [ 318.272232] ? mark_held_locks+0x130/0x130 [ 318.276475] ? zap_class+0x640/0x640 [ 318.280194] ? zap_class+0x640/0x640 [ 318.283914] ? print_usage_bug+0xc0/0xc0 [ 318.287978] ? do_raw_spin_unlock+0xa7/0x330 [ 318.292394] ? zap_class+0x640/0x640 [ 318.296118] ? print_usage_bug+0xc0/0xc0 [ 318.300200] ? wq_watchdog_touch+0x9c/0xfe [ 318.304458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.310007] ? check_preemption_disabled+0x48/0x280 [ 318.315057] ? __lock_is_held+0xb5/0x140 [ 318.319157] __alloc_pages_nodemask+0xa80/0xde0 [ 318.323834] ? zap_class+0x640/0x640 [ 318.327559] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 318.332593] ? find_held_lock+0x36/0x1c0 [ 318.336670] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.341350] ? lock_downgrade+0x900/0x900 [ 318.345514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.351063] cache_grow_begin+0xa5/0x8c0 [ 318.355128] ? do_raw_spin_unlock+0xa7/0x330 [ 318.359585] fallback_alloc+0x204/0x2e0 [ 318.363580] ____cache_alloc_node+0x1c7/0x1e0 [ 318.368101] kmem_cache_alloc_node+0xe3/0x730 [ 318.372618] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.376869] __alloc_skb+0x119/0x770 [ 318.380595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.385883] ? netdev_alloc_frag+0x1f0/0x1f0 [ 318.390302] ? lock_downgrade+0x900/0x900 [ 318.394504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.400052] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.405514] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.410989] ? addrconf_rs_timer+0x690/0x690 [ 318.415504] ndisc_alloc_skb+0x144/0x340 [ 318.419585] ndisc_send_rs+0x331/0x6e0 [ 318.423505] addrconf_rs_timer+0x314/0x690 [ 318.427763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.432040] call_timer_fn+0x272/0x920 [ 318.435935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.440175] ? process_timeout+0x40/0x40 [ 318.444253] ? __run_timers+0x7da/0xc70 [ 318.448236] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.452738] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.457255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.461511] ? lockdep_hardirqs_on+0x296/0x5b0 [ 318.466114] ? trace_hardirqs_on+0xbd/0x310 [ 318.470457] ? kasan_check_read+0x11/0x20 [ 318.474618] ? __run_timers+0x7da/0xc70 [ 318.478614] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.483731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.487984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.492223] __run_timers+0x7e5/0xc70 [ 318.496051] ? timer_fixup_init+0x70/0x70 [ 318.500210] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.505251] ? zap_class+0x640/0x640 [ 318.508992] ? enqueue_hrtimer+0x1a5/0x560 [ 318.513238] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.518459] ? find_held_lock+0x36/0x1c0 [ 318.522535] ? zap_class+0x640/0x640 [ 318.526259] ? pvclock_read_flags+0x160/0x160 [ 318.530765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.536315] ? check_preemption_disabled+0x48/0x280 [ 318.541348] ? __lock_is_held+0xb5/0x140 [ 318.545420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.550992] ? check_preemption_disabled+0x48/0x280 [ 318.556045] run_timer_softirq+0x52/0xb0 [ 318.560166] ? rcu_read_lock_sched_held+0x14f/0x180 [ 318.565198] __do_softirq+0x308/0xb7e [ 318.569028] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 318.573545] ? lock_downgrade+0x900/0x900 [ 318.577710] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 318.583323] ? pvclock_read_flags+0x160/0x160 [ 318.587825] ? lapic_next_event+0x5a/0x90 [ 318.591985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.597558] ? kvm_clock_read+0x18/0x30 [ 318.601545] ? kvm_sched_clock_read+0x9/0x20 [ 318.605967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.611518] ? check_preemption_disabled+0x48/0x280 [ 318.616574] irq_exit+0x17f/0x1c0 [ 318.620037] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.624900] ? smp_reschedule_interrupt+0x109/0x650 [ 318.629941] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.635832] ? interrupt_entry+0xb5/0xc0 [ 318.639905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.644940] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.649965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.654819] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.659867] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.664907] ? task_prio+0x50/0x50 [ 318.668470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.674023] ? check_preemption_disabled+0x48/0x280 [ 318.679070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.683926] apic_timer_interrupt+0xf/0x20 [ 318.688157] [ 318.690400] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 318.696317] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 318.715523] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.723247] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.730541] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 318.737819] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 318.745097] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 318.752376] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 318.759694] ? save_stack+0xa9/0xd0 [ 318.763356] __kmalloc_node_track_caller+0x3c/0x70 [ 318.768298] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 318.773066] pskb_expand_head+0x230/0x10f0 [ 318.777318] ? memcpy+0x45/0x50 [ 318.780606] ? __copy_skb_header+0x350/0x6b0 [ 318.785024] ? skb_release_data+0x880/0x880 [ 318.789351] ? __alloc_skb+0x770/0x770 [ 318.793291] ? __lock_is_held+0xb5/0x140 [ 318.797361] ? kasan_check_write+0x14/0x20 [ 318.801600] ? __skb_clone+0x6c7/0xa00 [ 318.805497] ? __copy_skb_header+0x6b0/0x6b0 [ 318.809908] ? kmem_cache_alloc+0x33a/0x730 [ 318.814248] skb_ensure_writable+0x3dd/0x640 [ 318.818678] ? skb_checksum_setup+0xaa0/0xaa0 [ 318.823183] ? check_preemption_disabled+0x48/0x280 [ 318.828213] ? __this_cpu_preempt_check+0x1c/0x20 [ 318.833059] ? __bpf_redirect+0x54b/0xb20 [ 318.837216] bpf_clone_redirect+0x14a/0x490 [ 318.841552] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 318.846579] ? __sched_text_start+0x8/0x8 [ 318.850736] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 318.855336] ? retint_kernel+0x2d/0x2d [ 318.859227] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.864169] ? find_held_lock+0x36/0x1c0 [ 318.868243] ? lock_acquire+0x1ed/0x520 [ 318.872220] ? bpf_test_run+0x3cb/0x780 [ 318.876198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.881745] ? check_preemption_disabled+0x48/0x280 [ 318.886789] ? kasan_check_read+0x11/0x20 [ 318.890940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.896227] ? rcu_softirq_qs+0x20/0x20 [ 318.900207] ? preempt_schedule+0x4d/0x60 [ 318.904358] ? ___preempt_schedule+0x16/0x18 [ 318.908779] ? bpf_test_run+0x25d/0x780 [ 318.912764] ? netlink_diag_dump+0x2a0/0x2a0 [ 318.917178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.922733] ? bpf_test_init.isra.10+0x70/0x100 [ 318.927434] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 318.932209] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 318.937058] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.942603] ? fput+0x130/0x1a0 [ 318.945904] ? __bpf_prog_get+0x9b/0x290 [ 318.949972] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 318.954817] ? bpf_prog_test_run+0x130/0x1a0 [ 318.959237] ? __x64_sys_bpf+0x3d8/0x520 [ 318.963306] ? bpf_prog_get+0x20/0x20 [ 318.967128] ? do_syscall_64+0x1b9/0x820 [ 318.971200] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 318.976575] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.981535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.986414] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.991491] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 318.996522] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.001556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.006413] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.011820] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 319.011826] warn_alloc_show_mem: 1 callbacks suppressed [ 319.011834] Mem-Info: [ 319.019119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.024496] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 319.024496] active_file:12 inactive_file:13 isolated_file:0 [ 319.024496] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.024496] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 319.024496] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 319.024496] free:13733 free_pcp:586 free_cma:0 [ 319.026873] Call Trace: [ 319.036267] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.069130] [ 319.071705] 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 [ 319.099155] dump_stack+0x244/0x39d [ 319.101285] lowmem_reserve[]: 0 2818 6321 6321 [ 319.127414] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.131027] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 319.135639] warn_alloc.cold.116+0xb7/0x1bd [ 319.140798] lowmem_reserve[]: 0 0 3503 3503 [ 319.168415] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.172731] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 319.177091] ? lock_downgrade+0x900/0x900 [ 319.181908] lowmem_reserve[]: 0 0 0 0 [ 319.210899] ? trace_hardirqs_off+0xb8/0x310 [ 319.215029] 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 [ 319.218836] ? trace_hardirqs_off+0xb8/0x310 [ 319.223219] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 319.236756] __alloc_pages_slowpath+0x26e8/0x2e10 [ 319.241147] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 319.256528] ? warn_alloc+0x120/0x120 [ 319.261349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.275224] ? print_usage_bug+0xc0/0xc0 [ 319.279017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.287849] ? warn_alloc+0x120/0x120 [ 319.291925] 269 total pagecache pages [ 319.300524] ? warn_alloc+0x120/0x120 [ 319.304312] 0 pages in swap cache [ 319.308129] ? print_usage_bug+0xc0/0xc0 [ 319.311908] Swap cache stats: add 0, delete 0, find 0/0 [ 319.311918] Free swap = 0kB [ 319.315371] ? kvm_clock_read+0x18/0x30 [ 319.319400] Total swap = 0kB [ 319.319408] 1965979 pages RAM [ 319.324785] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 319.327771] 0 pages HighMem/MovableOnly [ 319.327780] 342853 pages reserved [ 319.331759] ? print_usage_bug+0xc0/0xc0 [ 319.334747] 0 pages cma reserved [ 319.337854] ? __lock_acquire+0x62f/0x4c20 [ 319.342909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.346819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.346834] ? should_fail+0x22d/0xd01 [ 319.346851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.350345] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.354348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.357688] syz-executor0 cpuset=syz0 mems_allowed=0 [ 319.361921] ? __lock_acquire+0x62f/0x4c20 [ 319.407975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.413090] ? __lock_acquire+0x62f/0x4c20 [ 319.417339] ? should_fail+0x22d/0xd01 [ 319.421230] ? rcu_irq_exit+0x1a2/0x390 [ 319.425222] ? mark_held_locks+0x130/0x130 [ 319.429473] ? mark_held_locks+0x130/0x130 [ 319.433738] ? mark_held_locks+0xc7/0x130 [ 319.437905] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 319.442943] ? zap_class+0x640/0x640 [ 319.446666] ? print_usage_bug+0xc0/0xc0 [ 319.450742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.456303] ? check_preemption_disabled+0x48/0x280 [ 319.461339] ? __lock_is_held+0xb5/0x140 [ 319.465413] __alloc_pages_nodemask+0xa80/0xde0 [ 319.470142] ? zap_class+0x640/0x640 [ 319.473892] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 319.478944] ? find_held_lock+0x36/0x1c0 [ 319.483031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.487711] ? lock_downgrade+0x900/0x900 [ 319.491874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.497436] cache_grow_begin+0xa5/0x8c0 [ 319.501506] ? do_raw_spin_unlock+0xa7/0x330 [ 319.505928] fallback_alloc+0x204/0x2e0 [ 319.509932] ____cache_alloc_node+0x1c7/0x1e0 [ 319.514482] kmem_cache_alloc_node+0xe3/0x730 [ 319.518992] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.523289] __alloc_skb+0x119/0x770 [ 319.527005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.532291] ? netdev_alloc_frag+0x1f0/0x1f0 [ 319.536707] ? lock_downgrade+0x900/0x900 [ 319.540873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.546420] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.551917] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.557379] ? addrconf_rs_timer+0x690/0x690 [ 319.561814] ndisc_alloc_skb+0x144/0x340 [ 319.565913] ndisc_send_rs+0x331/0x6e0 [ 319.569826] addrconf_rs_timer+0x314/0x690 [ 319.574085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.578333] call_timer_fn+0x272/0x920 [ 319.582222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.586459] ? process_timeout+0x40/0x40 [ 319.590575] ? mark_held_locks+0xc7/0x130 [ 319.594728] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.599225] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.603741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.607980] ? lockdep_hardirqs_on+0x296/0x5b0 [ 319.612565] ? trace_hardirqs_on+0xbd/0x310 [ 319.616900] ? kasan_check_read+0x11/0x20 [ 319.621048] ? __run_timers+0x7da/0xc70 [ 319.625026] ? trace_hardirqs_off_caller+0x310/0x310 [ 319.630132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.634391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.638626] __run_timers+0x7e5/0xc70 [ 319.642463] ? timer_fixup_init+0x70/0x70 [ 319.646631] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.651654] ? zap_class+0x640/0x640 [ 319.655374] ? print_usage_bug+0xc0/0xc0 [ 319.659445] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.664645] ? find_held_lock+0x36/0x1c0 [ 319.668712] ? zap_class+0x640/0x640 [ 319.672444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.677999] ? check_preemption_disabled+0x48/0x280 [ 319.683041] ? __lock_is_held+0xb5/0x140 [ 319.687104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.692644] ? check_preemption_disabled+0x48/0x280 [ 319.697668] run_timer_softirq+0x52/0xb0 [ 319.701760] ? rcu_read_lock_sched_held+0x14f/0x180 [ 319.706782] __do_softirq+0x308/0xb7e [ 319.710603] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 319.715098] ? lock_downgrade+0x900/0x900 [ 319.719270] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 319.724384] ? pvclock_read_flags+0x160/0x160 [ 319.728909] ? lapic_next_event+0x5a/0x90 [ 319.733065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.738611] ? kvm_clock_read+0x18/0x30 [ 319.742587] ? kvm_sched_clock_read+0x9/0x20 [ 319.747004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.752548] ? check_preemption_disabled+0x48/0x280 [ 319.757576] irq_exit+0x17f/0x1c0 [ 319.761032] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.765888] ? smp_reschedule_interrupt+0x109/0x650 [ 319.770903] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.776786] ? interrupt_entry+0xb5/0xc0 [ 319.780852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.785868] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.790902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.795758] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.800813] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.805857] ? task_prio+0x50/0x50 [ 319.809404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.814960] ? check_preemption_disabled+0x48/0x280 [ 319.820006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.824866] apic_timer_interrupt+0xf/0x20 [ 319.829109] [ 319.831363] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 319.836555] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 319.855458] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 319.863184] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 319.870456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 319.877739] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 319.885020] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 319.892285] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 319.899610] retint_kernel+0x1b/0x2d [ 319.903326] RIP: 0010:dump_stack+0x358/0x39d [ 319.907738] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 319.926638] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 319.934349] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 319.941619] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 319.948888] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 319.956154] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 319.963424] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 319.970739] ? dump_stack+0x34f/0x39d [ 319.974553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.979770] dump_header+0x27b/0xf72 [ 319.983513] ? mark_held_locks+0x130/0x130 [ 319.987777] ? pagefault_out_of_memory+0x197/0x197 [ 319.992734] ? __lock_acquire+0x62f/0x4c20 [ 319.996977] ? zap_class+0x640/0x640 [ 320.000709] ? percpu_ref_get_many+0x240/0x240 [ 320.005292] ? print_usage_bug+0xc0/0xc0 [ 320.009353] ? print_usage_bug+0xc0/0xc0 [ 320.013420] ? zap_class+0x640/0x640 [ 320.017148] ? print_usage_bug+0xc0/0xc0 [ 320.021209] ? print_usage_bug+0xc0/0xc0 [ 320.025280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.030828] ? find_held_lock+0x36/0x1c0 [ 320.034899] ? mark_held_locks+0xc7/0x130 [ 320.039049] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.044168] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.049301] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.053914] ? trace_hardirqs_on+0xbd/0x310 [ 320.058236] ? kasan_check_read+0x11/0x20 [ 320.062400] ? ___ratelimit+0x3b4/0x672 [ 320.066399] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.071542] ? trace_hardirqs_on+0x310/0x310 [ 320.075957] ? lock_downgrade+0x900/0x900 [ 320.080132] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.085236] ? ___ratelimit+0x3b9/0x672 [ 320.089230] ? idr_get_free+0xf70/0xf70 [ 320.093232] ? find_held_lock+0x36/0x1c0 [ 320.097306] oom_kill_process.cold.27+0x10/0x903 [ 320.102066] ? zap_class+0x640/0x640 [ 320.105784] ? check_preemption_disabled+0x48/0x280 [ 320.110807] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.115737] ? kasan_check_read+0x11/0x20 [ 320.119889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.125170] ? oom_evaluate_task+0x540/0x540 [ 320.129589] ? find_held_lock+0x36/0x1c0 [ 320.133661] ? out_of_memory+0x974/0x1430 [ 320.137821] ? lock_downgrade+0x900/0x900 [ 320.142060] ? check_preemption_disabled+0x48/0x280 [ 320.147079] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.152050] ? kasan_check_read+0x11/0x20 [ 320.156227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.161506] ? rcu_softirq_qs+0x20/0x20 [ 320.165508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.171044] ? oom_evaluate_task+0x302/0x540 [ 320.175482] out_of_memory+0xa84/0x1430 [ 320.179480] ? oom_killer_disable+0x3a0/0x3a0 [ 320.183981] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 320.188917] ? __ww_mutex_check_waiters+0x160/0x160 [ 320.193955] __alloc_pages_slowpath+0x2354/0x2e10 [ 320.198829] ? warn_alloc+0x120/0x120 [ 320.202638] ? warn_alloc+0x120/0x120 [ 320.206453] ? warn_alloc+0x120/0x120 [ 320.210257] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.215362] ? print_usage_bug+0xc0/0xc0 [ 320.219424] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.224021] ? print_usage_bug+0xc0/0xc0 [ 320.228115] ? print_usage_bug+0xc0/0xc0 [ 320.232184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.237724] ? should_fail+0x22d/0xd01 [ 320.241618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.246725] ? zap_class+0x640/0x640 [ 320.250490] ? __lock_is_held+0xb5/0x140 [ 320.254579] ? zap_class+0x640/0x640 [ 320.258312] ? lock_release+0xa00/0xa00 [ 320.262291] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.267746] ? check_preemption_disabled+0x48/0x280 [ 320.272776] ? __might_sleep+0x95/0x190 [ 320.276758] __alloc_pages_nodemask+0xa80/0xde0 [ 320.281440] ? zap_class+0x640/0x640 [ 320.285176] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 320.290210] ? mark_held_locks+0xc7/0x130 [ 320.294374] ? cache_grow_begin+0x65/0x8c0 [ 320.298609] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.303207] ? trace_hardirqs_on+0xbd/0x310 [ 320.307530] ? fallback_alloc+0x204/0x2e0 [ 320.311685] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.316793] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.322333] cache_grow_begin+0xa5/0x8c0 [ 320.326391] ? do_raw_spin_unlock+0xa7/0x330 [ 320.330807] fallback_alloc+0x204/0x2e0 [ 320.334800] ____cache_alloc_node+0x1c7/0x1e0 [ 320.339304] kmem_cache_alloc_node+0xe3/0x730 [ 320.343828] __alloc_skb+0x119/0x770 [ 320.347548] ? netdev_alloc_frag+0x1f0/0x1f0 [ 320.351968] ? if_nlmsg_size+0x5d1/0xbb0 [ 320.356036] ? rtnetlink_put_metrics+0x690/0x690 [ 320.360802] ? sk_psock_stop_strp+0x120/0x120 [ 320.365310] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 320.370326] ? netif_tx_stop_all_queues+0xd9/0x110 [ 320.375262] rtmsg_ifinfo_build_skb+0x74/0x190 [ 320.379864] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 320.384712] rtmsg_ifinfo+0x8c/0xa0 [ 320.388347] dev_close_many+0x3be/0x860 [ 320.392348] ? dev_fill_metadata_dst+0x840/0x840 [ 320.397118] ? find_held_lock+0x36/0x1c0 [ 320.401192] ? __queue_work+0x671/0x1440 [ 320.405252] ? lock_downgrade+0x900/0x900 [ 320.409405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.414993] ? rtnl_is_locked+0xb5/0xf0 [ 320.418975] ? rtnl_trylock+0x20/0x20 [ 320.422772] ? do_raw_spin_unlock+0xa7/0x330 [ 320.427179] ? do_raw_spin_trylock+0x270/0x270 [ 320.431765] rollback_registered_many+0x543/0x1250 [ 320.436709] ? generic_xdp_install+0x5a0/0x5a0 [ 320.441310] ? flush_rcu_work+0x90/0x90 [ 320.445296] ? zap_class+0x640/0x640 [ 320.449012] ? print_usage_bug+0xc0/0xc0 [ 320.453076] ? print_usage_bug+0xc0/0xc0 [ 320.457150] ? zap_class+0x640/0x640 [ 320.460921] ? print_usage_bug+0xc0/0xc0 [ 320.464987] ? find_held_lock+0x36/0x1c0 [ 320.469063] ? mark_held_locks+0xc7/0x130 [ 320.473217] rollback_registered+0x1e9/0x420 [ 320.477624] ? lockdep_hardirqs_on+0x321/0x5b0 [ 320.482221] ? rollback_registered_many+0x1250/0x1250 [ 320.487409] ? trace_hardirqs_on+0xbd/0x310 [ 320.491742] ? linkwatch_schedule_work+0x150/0x170 [ 320.496675] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.501796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.507332] ? rtnl_is_locked+0xb5/0xf0 [ 320.511308] ? rtnl_trylock+0x20/0x20 [ 320.515110] ? queue_delayed_work_on+0x130/0x1f0 [ 320.519874] unregister_netdevice_queue+0x321/0x5e0 [ 320.524910] ? rollback_registered+0x420/0x420 [ 320.529512] ? linkwatch_schedule_work+0x170/0x170 [ 320.534455] ? tun_setup+0x2d0/0x2d0 [ 320.538175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.543715] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 320.549097] ? __tun_detach+0x6ba/0x15c0 [ 320.553183] __tun_detach+0x11b8/0x15c0 [ 320.557157] ? __call_rcu.constprop.55+0x3ea/0x950 [ 320.562085] ? __call_rcu.constprop.55+0x3ea/0x950 [ 320.567022] ? tun_attach+0x1900/0x1900 [ 320.570998] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.576132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.581673] ? check_preemption_disabled+0x48/0x280 [ 320.586915] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.591507] ? zap_class+0x640/0x640 [ 320.595220] ? fsnotify+0x4e5/0xf20 [ 320.598848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.604386] ? locks_remove_file+0x3c6/0x5c0 [ 320.608833] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.614369] ? ima_file_free+0x132/0x650 [ 320.618480] ? __lock_is_held+0xb5/0x140 [ 320.622552] ? __tun_detach+0x15c0/0x15c0 [ 320.626706] ? __tun_detach+0x15c0/0x15c0 [ 320.630851] tun_chr_close+0xe3/0x180 [ 320.634658] __fput+0x385/0xa30 [ 320.637954] ? get_max_files+0x20/0x20 [ 320.641853] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.647312] ____fput+0x15/0x20 [ 320.650608] task_work_run+0x1e8/0x2a0 [ 320.654501] ? task_work_cancel+0x240/0x240 [ 320.658832] ? switch_task_namespaces+0xb8/0xd0 [ 320.663510] do_exit+0x1ad6/0x26d0 [ 320.667076] ? mm_update_next_owner+0x990/0x990 [ 320.671745] ? print_usage_bug+0xc0/0xc0 [ 320.675838] ? find_held_lock+0x36/0x1c0 [ 320.679919] ? mark_held_locks+0x130/0x130 [ 320.684166] ? __lock_acquire+0x62f/0x4c20 [ 320.688420] ? pipe_wait+0x266/0x2c0 [ 320.692189] ? lock_release+0xa00/0xa00 [ 320.696188] ? mark_held_locks+0x130/0x130 [ 320.700441] ? __mutex_lock+0x85e/0x16f0 [ 320.704518] ? __switch_to_asm+0x40/0x70 [ 320.708578] ? pipe_wait+0x266/0x2c0 [ 320.712302] ? __switch_to_asm+0x34/0x70 [ 320.716514] ? __switch_to_asm+0x40/0x70 [ 320.720584] ? mutex_trylock+0x2b0/0x2b0 [ 320.724650] ? zap_class+0x640/0x640 [ 320.728383] ? zap_class+0x640/0x640 [ 320.732096] ? find_held_lock+0x36/0x1c0 [ 320.736172] ? memset+0x31/0x40 [ 320.739469] ? find_held_lock+0x36/0x1c0 [ 320.743575] ? get_signal+0x95b/0x1980 [ 320.747466] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.751978] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.756483] do_group_exit+0x177/0x440 [ 320.760384] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.765495] ? __ia32_sys_exit+0x50/0x50 [ 320.769601] get_signal+0x8b0/0x1980 [ 320.773328] ? ptrace_notify+0x130/0x130 [ 320.777401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.782946] ? pipe_read+0x702/0x940 [ 320.786680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.792231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.797768] ? __vfs_read+0x11f/0x9b0 [ 320.801575] do_signal+0x9c/0x21c0 [ 320.805118] ? fsnotify+0xf20/0xf20 [ 320.808772] ? setup_sigcontext+0x7d0/0x7d0 [ 320.813129] ? exit_to_usermode_loop+0x8c/0x380 [ 320.817797] ? exit_to_usermode_loop+0x8c/0x380 [ 320.822472] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.827057] ? trace_hardirqs_on+0xbd/0x310 [ 320.831395] ? do_syscall_64+0x6be/0x820 [ 320.835469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.841012] exit_to_usermode_loop+0x2e5/0x380 [ 320.845599] ? __bpf_trace_sys_exit+0x30/0x30 [ 320.850109] do_syscall_64+0x6be/0x820 [ 320.853998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 320.859369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.864298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.869146] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.874172] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.879197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.884049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.889240] RIP: 0033:0x410fa0 [ 320.892450] Code: Bad RIP value. [ 320.895815] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 320.903524] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 320.910806] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 320.918073] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 320.925349] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 320.932616] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 320.939911] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 320.940001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.947296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.947301] Call Trace: [ 320.947308] [ 320.947327] dump_stack+0x244/0x39d [ 320.947346] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.953944] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.963218] warn_alloc.cold.116+0xb7/0x1bd [ 320.965777] syz-executor5 cpuset=syz5 mems_allowed=0 [ 320.967921] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.001462] ? lock_downgrade+0x900/0x900 [ 321.005631] ? trace_hardirqs_off+0xb8/0x310 [ 321.010048] ? trace_hardirqs_off+0xb8/0x310 [ 321.014481] __alloc_pages_slowpath+0x26e8/0x2e10 [ 321.019356] ? warn_alloc+0x120/0x120 [ 321.023163] ? print_usage_bug+0xc0/0xc0 [ 321.027246] ? warn_alloc+0x120/0x120 [ 321.031051] ? warn_alloc+0x120/0x120 [ 321.034883] ? print_usage_bug+0xc0/0xc0 [ 321.038946] ? print_usage_bug+0xc0/0xc0 [ 321.043007] ? __lock_acquire+0x62f/0x4c20 [ 321.047250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.052788] ? should_fail+0x22d/0xd01 [ 321.056696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.061803] ? __lock_acquire+0x62f/0x4c20 [ 321.066076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.071208] ? __lock_acquire+0x62f/0x4c20 [ 321.075483] ? should_fail+0x22d/0xd01 [ 321.079373] ? find_held_lock+0x36/0x1c0 [ 321.083458] ? mark_held_locks+0x130/0x130 [ 321.087700] ? mark_held_locks+0x130/0x130 [ 321.091934] ? zap_class+0x640/0x640 [ 321.095661] ? zap_class+0x640/0x640 [ 321.099381] ? print_usage_bug+0xc0/0xc0 [ 321.103468] ? do_raw_spin_unlock+0xa7/0x330 [ 321.107892] ? zap_class+0x640/0x640 [ 321.111609] ? print_usage_bug+0xc0/0xc0 [ 321.115674] ? wq_watchdog_touch+0x9c/0xfe [ 321.119926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.125496] ? check_preemption_disabled+0x48/0x280 [ 321.130525] ? __lock_is_held+0xb5/0x140 [ 321.134596] __alloc_pages_nodemask+0xa80/0xde0 [ 321.139265] ? zap_class+0x640/0x640 [ 321.142987] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 321.148029] ? find_held_lock+0x36/0x1c0 [ 321.152103] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.156778] ? lock_downgrade+0x900/0x900 [ 321.160934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.166485] cache_grow_begin+0xa5/0x8c0 [ 321.170557] ? do_raw_spin_unlock+0xa7/0x330 [ 321.174973] fallback_alloc+0x204/0x2e0 [ 321.178956] ____cache_alloc_node+0x1c7/0x1e0 [ 321.183485] kmem_cache_alloc_node+0xe3/0x730 [ 321.187981] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.192226] __alloc_skb+0x119/0x770 [ 321.195942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.201253] ? netdev_alloc_frag+0x1f0/0x1f0 [ 321.205679] ? lock_downgrade+0x900/0x900 [ 321.209833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.215370] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.220823] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.226275] ? addrconf_rs_timer+0x690/0x690 [ 321.230701] ndisc_alloc_skb+0x144/0x340 [ 321.234766] ndisc_send_rs+0x331/0x6e0 [ 321.238674] addrconf_rs_timer+0x314/0x690 [ 321.242912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.247156] call_timer_fn+0x272/0x920 [ 321.251060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.255294] ? process_timeout+0x40/0x40 [ 321.259365] ? __run_timers+0x7da/0xc70 [ 321.263340] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.267837] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.272331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.276566] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.281153] ? trace_hardirqs_on+0xbd/0x310 [ 321.285477] ? kasan_check_read+0x11/0x20 [ 321.289626] ? __run_timers+0x7da/0xc70 [ 321.293614] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.298738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.303036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.307300] __run_timers+0x7e5/0xc70 [ 321.311124] ? timer_fixup_init+0x70/0x70 [ 321.315274] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.320332] ? zap_class+0x640/0x640 [ 321.324054] ? enqueue_hrtimer+0x1a5/0x560 [ 321.328291] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.333489] ? find_held_lock+0x36/0x1c0 [ 321.337569] ? zap_class+0x640/0x640 [ 321.341285] ? pvclock_read_flags+0x160/0x160 [ 321.345786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.351409] ? check_preemption_disabled+0x48/0x280 [ 321.356612] ? __lock_is_held+0xb5/0x140 [ 321.360675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.366212] ? check_preemption_disabled+0x48/0x280 [ 321.371233] run_timer_softirq+0x52/0xb0 [ 321.375298] ? rcu_read_lock_sched_held+0x14f/0x180 [ 321.380319] __do_softirq+0x308/0xb7e [ 321.384138] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 321.388631] ? lock_downgrade+0x900/0x900 [ 321.392793] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 321.397943] ? pvclock_read_flags+0x160/0x160 [ 321.402493] ? lapic_next_event+0x5a/0x90 [ 321.406643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.412188] ? kvm_clock_read+0x18/0x30 [ 321.416164] ? kvm_sched_clock_read+0x9/0x20 [ 321.420576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.426119] ? check_preemption_disabled+0x48/0x280 [ 321.431145] irq_exit+0x17f/0x1c0 [ 321.434611] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.439474] ? smp_reschedule_interrupt+0x109/0x650 [ 321.444515] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.450415] ? interrupt_entry+0xb5/0xc0 [ 321.454491] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.459518] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.464536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.469380] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.474396] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.479421] ? task_prio+0x50/0x50 [ 321.482976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.488511] ? check_preemption_disabled+0x48/0x280 [ 321.493532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.498385] apic_timer_interrupt+0xf/0x20 [ 321.502734] [ 321.504974] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 321.510876] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 321.529774] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 321.537499] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 321.544769] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 321.552048] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 321.559318] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 321.566585] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 321.573881] ? save_stack+0xa9/0xd0 [ 321.577524] __kmalloc_node_track_caller+0x3c/0x70 [ 321.582471] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 321.587231] pskb_expand_head+0x230/0x10f0 [ 321.591477] ? memcpy+0x45/0x50 [ 321.594760] ? __copy_skb_header+0x350/0x6b0 [ 321.599201] ? skb_release_data+0x880/0x880 [ 321.603540] ? __alloc_skb+0x770/0x770 [ 321.607453] ? __lock_is_held+0xb5/0x140 [ 321.611539] ? kasan_check_write+0x14/0x20 [ 321.615787] ? __skb_clone+0x6c7/0xa00 [ 321.619676] ? __copy_skb_header+0x6b0/0x6b0 [ 321.624084] ? kmem_cache_alloc+0x33a/0x730 [ 321.628414] skb_ensure_writable+0x3dd/0x640 [ 321.632835] ? skb_checksum_setup+0xaa0/0xaa0 [ 321.637349] ? check_preemption_disabled+0x48/0x280 [ 321.642373] ? __this_cpu_preempt_check+0x1c/0x20 [ 321.647213] ? __bpf_redirect+0x54b/0xb20 [ 321.651365] bpf_clone_redirect+0x14a/0x490 [ 321.655708] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 321.660748] ? __sched_text_start+0x8/0x8 [ 321.664900] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 321.669486] ? retint_kernel+0x2d/0x2d [ 321.673372] ? trace_hardirqs_on_caller+0xc0/0x310 [ 321.678312] ? find_held_lock+0x36/0x1c0 [ 321.682380] ? lock_acquire+0x1ed/0x520 [ 321.686357] ? bpf_test_run+0x3cb/0x780 [ 321.690335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.695873] ? check_preemption_disabled+0x48/0x280 [ 321.700903] ? kasan_check_read+0x11/0x20 [ 321.705051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.710328] ? rcu_softirq_qs+0x20/0x20 [ 321.714305] ? preempt_schedule+0x4d/0x60 [ 321.718485] ? ___preempt_schedule+0x16/0x18 [ 321.722918] ? bpf_test_run+0x25d/0x780 [ 321.726930] ? netlink_diag_dump+0x2a0/0x2a0 [ 321.731344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.736878] ? bpf_test_init.isra.10+0x70/0x100 [ 321.741557] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 321.746328] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.751172] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.756726] ? fput+0x130/0x1a0 [ 321.760006] ? __bpf_prog_get+0x9b/0x290 [ 321.764070] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.768910] ? bpf_prog_test_run+0x130/0x1a0 [ 321.773321] ? __x64_sys_bpf+0x3d8/0x520 [ 321.777382] ? bpf_prog_get+0x20/0x20 [ 321.781207] ? do_syscall_64+0x1b9/0x820 [ 321.785278] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.790646] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.795580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.800438] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.805468] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.810488] ? prepare_exit_to_usermode+0x291/0x3b0 [ 321.815526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.820391] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.825769] warn_alloc_show_mem: 1 callbacks suppressed [ 321.825781] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 321.825783] Mem-Info: [ 321.825815] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 321.825815] active_file:12 inactive_file:13 isolated_file:0 [ 321.825815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 321.825815] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 321.825815] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 321.825815] free:13733 free_pcp:586 free_cma:0 [ 321.831168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.838471] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 321.840864] Call Trace: [ 321.873756] 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 [ 321.883122] [ 321.910515] lowmem_reserve[]: 0 2818 6321 6321 [ 321.913091] dump_stack+0x244/0x39d [ 321.939173] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 321.941327] ? dump_stack_print_info.cold.1+0x20/0x20 [ 321.945879] lowmem_reserve[]: 0 0 3503 3503 [ 321.949513] warn_alloc.cold.116+0xb7/0x1bd [ 321.977066] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 321.982251] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.986572] lowmem_reserve[]: 0 0 0 0 [ 321.990904] ? lock_downgrade+0x900/0x900 [ 322.019850] 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 [ 322.024693] ? trace_hardirqs_off+0xb8/0x310 [ 322.028478] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 322.032619] ? trace_hardirqs_off+0xb8/0x310 [ 322.046113] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 322.050518] __alloc_pages_slowpath+0x26e8/0x2e10 [ 322.065858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.070278] ? warn_alloc+0x120/0x120 [ 322.084209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.089040] ? print_usage_bug+0xc0/0xc0 [ 322.097850] 269 total pagecache pages [ 322.101649] ? warn_alloc+0x120/0x120 [ 322.110222] 0 pages in swap cache [ 322.114292] ? warn_alloc+0x120/0x120 [ 322.118088] Swap cache stats: add 0, delete 0, find 0/0 [ 322.121881] ? print_usage_bug+0xc0/0xc0 [ 322.125309] Free swap = 0kB [ 322.129102] ? kvm_clock_read+0x18/0x30 [ 322.134458] Total swap = 0kB [ 322.138513] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.141506] 1965979 pages RAM [ 322.145473] ? print_usage_bug+0xc0/0xc0 [ 322.148489] 0 pages HighMem/MovableOnly [ 322.153497] ? __lock_acquire+0x62f/0x4c20 [ 322.156617] 342853 pages reserved [ 322.160673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.164746] 0 pages cma reserved [ 322.168980] ? should_fail+0x22d/0xd01 [ 322.172492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.177936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.177961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.177978] ? __lock_acquire+0x62f/0x4c20 [ 322.181378] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.185205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.191672] syz-executor0 cpuset=syz0 mems_allowed=0 [ 322.196963] ? __lock_acquire+0x62f/0x4c20 [ 322.231119] ? should_fail+0x22d/0xd01 [ 322.235001] ? rcu_irq_exit+0x1a2/0x390 [ 322.238986] ? mark_held_locks+0x130/0x130 [ 322.243256] ? mark_held_locks+0x130/0x130 [ 322.247495] ? mark_held_locks+0xc7/0x130 [ 322.251642] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 322.256660] ? zap_class+0x640/0x640 [ 322.260387] ? print_usage_bug+0xc0/0xc0 [ 322.264463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.270005] ? check_preemption_disabled+0x48/0x280 [ 322.275035] ? __lock_is_held+0xb5/0x140 [ 322.279102] __alloc_pages_nodemask+0xa80/0xde0 [ 322.283793] ? zap_class+0x640/0x640 [ 322.287510] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 322.292537] ? find_held_lock+0x36/0x1c0 [ 322.296613] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.301283] ? lock_downgrade+0x900/0x900 [ 322.305444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.310989] cache_grow_begin+0xa5/0x8c0 [ 322.315052] ? do_raw_spin_unlock+0xa7/0x330 [ 322.319483] fallback_alloc+0x204/0x2e0 [ 322.323488] ____cache_alloc_node+0x1c7/0x1e0 [ 322.327995] kmem_cache_alloc_node+0xe3/0x730 [ 322.332509] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.336755] __alloc_skb+0x119/0x770 [ 322.340472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.345773] ? netdev_alloc_frag+0x1f0/0x1f0 [ 322.350196] ? lock_downgrade+0x900/0x900 [ 322.354356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.359896] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.365353] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.370816] ? addrconf_rs_timer+0x690/0x690 [ 322.375290] ndisc_alloc_skb+0x144/0x340 [ 322.379356] ndisc_send_rs+0x331/0x6e0 [ 322.383257] addrconf_rs_timer+0x314/0x690 [ 322.387515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.391761] call_timer_fn+0x272/0x920 [ 322.395649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.399885] ? process_timeout+0x40/0x40 [ 322.403960] ? mark_held_locks+0xc7/0x130 [ 322.408114] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.412609] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.417102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.421337] ? lockdep_hardirqs_on+0x296/0x5b0 [ 322.425919] ? trace_hardirqs_on+0xbd/0x310 [ 322.430244] ? kasan_check_read+0x11/0x20 [ 322.434392] ? __run_timers+0x7da/0xc70 [ 322.438366] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.443513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.447763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.452009] __run_timers+0x7e5/0xc70 [ 322.455823] ? timer_fixup_init+0x70/0x70 [ 322.459973] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.464987] ? zap_class+0x640/0x640 [ 322.468706] ? print_usage_bug+0xc0/0xc0 [ 322.472776] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.477979] ? find_held_lock+0x36/0x1c0 [ 322.482050] ? zap_class+0x640/0x640 [ 322.485771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.491313] ? check_preemption_disabled+0x48/0x280 [ 322.496355] ? __lock_is_held+0xb5/0x140 [ 322.500415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.505970] ? check_preemption_disabled+0x48/0x280 [ 322.510991] run_timer_softirq+0x52/0xb0 [ 322.515055] ? rcu_read_lock_sched_held+0x14f/0x180 [ 322.520070] __do_softirq+0x308/0xb7e [ 322.523877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 322.528370] ? lock_downgrade+0x900/0x900 [ 322.532538] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 322.537751] ? pvclock_read_flags+0x160/0x160 [ 322.542256] ? lapic_next_event+0x5a/0x90 [ 322.546409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.551981] ? kvm_clock_read+0x18/0x30 [ 322.555960] ? kvm_sched_clock_read+0x9/0x20 [ 322.560375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.565925] ? check_preemption_disabled+0x48/0x280 [ 322.570960] irq_exit+0x17f/0x1c0 [ 322.574422] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.579277] ? smp_reschedule_interrupt+0x109/0x650 [ 322.584390] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.590285] ? interrupt_entry+0xb5/0xc0 [ 322.594366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.599383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.604404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.609272] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.614287] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.619308] ? task_prio+0x50/0x50 [ 322.622855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.628405] ? check_preemption_disabled+0x48/0x280 [ 322.633456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.638333] apic_timer_interrupt+0xf/0x20 [ 322.642569] [ 322.644874] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 322.650069] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 322.669167] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.676896] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 322.684177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 322.691481] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 322.698747] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 322.706027] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 322.713364] retint_kernel+0x1b/0x2d [ 322.717586] RIP: 0010:dump_stack+0x358/0x39d [ 322.721995] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 322.740907] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 322.748616] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 322.755894] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 322.763162] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 322.770448] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 322.777740] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 322.785050] ? dump_stack+0x34f/0x39d [ 322.788874] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.794080] dump_header+0x27b/0xf72 [ 322.797812] ? mark_held_locks+0x130/0x130 [ 322.802061] ? pagefault_out_of_memory+0x197/0x197 [ 322.806995] ? __lock_acquire+0x62f/0x4c20 [ 322.811235] ? zap_class+0x640/0x640 [ 322.814954] ? percpu_ref_get_many+0x240/0x240 [ 322.819543] ? print_usage_bug+0xc0/0xc0 [ 322.823622] ? print_usage_bug+0xc0/0xc0 [ 322.827705] ? zap_class+0x640/0x640 [ 322.831456] ? print_usage_bug+0xc0/0xc0 [ 322.835530] ? print_usage_bug+0xc0/0xc0 [ 322.839598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.845147] ? find_held_lock+0x36/0x1c0 [ 322.849219] ? mark_held_locks+0xc7/0x130 [ 322.853369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 322.858472] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 322.863577] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 322.868161] ? trace_hardirqs_on+0xbd/0x310 [ 322.872496] ? kasan_check_read+0x11/0x20 [ 322.876652] ? ___ratelimit+0x3b4/0x672 [ 322.880623] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.885789] ? trace_hardirqs_on+0x310/0x310 [ 322.890211] ? lock_downgrade+0x900/0x900 [ 322.894357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.899475] ? ___ratelimit+0x3b9/0x672 [ 322.903480] ? idr_get_free+0xf70/0xf70 [ 322.907488] ? find_held_lock+0x36/0x1c0 [ 322.911561] oom_kill_process.cold.27+0x10/0x903 [ 322.916317] ? zap_class+0x640/0x640 [ 322.920029] ? check_preemption_disabled+0x48/0x280 [ 322.925049] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.930069] ? kasan_check_read+0x11/0x20 [ 322.934236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.939559] ? oom_evaluate_task+0x540/0x540 [ 322.943977] ? find_held_lock+0x36/0x1c0 [ 322.948061] ? out_of_memory+0x974/0x1430 [ 322.952218] ? lock_downgrade+0x900/0x900 [ 322.956369] ? check_preemption_disabled+0x48/0x280 [ 322.961386] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.966330] ? kasan_check_read+0x11/0x20 [ 322.970493] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.975783] ? rcu_softirq_qs+0x20/0x20 [ 322.979775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.985308] ? oom_evaluate_task+0x302/0x540 [ 322.989741] out_of_memory+0xa84/0x1430 [ 322.993724] ? oom_killer_disable+0x3a0/0x3a0 [ 322.998222] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 323.003155] ? __ww_mutex_check_waiters+0x160/0x160 [ 323.008198] __alloc_pages_slowpath+0x2354/0x2e10 [ 323.013067] ? warn_alloc+0x120/0x120 [ 323.016876] ? warn_alloc+0x120/0x120 [ 323.020686] ? warn_alloc+0x120/0x120 [ 323.024499] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.029599] ? print_usage_bug+0xc0/0xc0 [ 323.033665] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.038250] ? print_usage_bug+0xc0/0xc0 [ 323.042316] ? print_usage_bug+0xc0/0xc0 [ 323.046381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.051920] ? should_fail+0x22d/0xd01 [ 323.055817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.060922] ? zap_class+0x640/0x640 [ 323.064665] ? __lock_is_held+0xb5/0x140 [ 323.068741] ? zap_class+0x640/0x640 [ 323.072482] ? lock_release+0xa00/0xa00 [ 323.076468] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.081917] ? check_preemption_disabled+0x48/0x280 [ 323.086942] ? __might_sleep+0x95/0x190 [ 323.090923] __alloc_pages_nodemask+0xa80/0xde0 [ 323.095593] ? zap_class+0x640/0x640 [ 323.099312] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 323.104342] ? mark_held_locks+0xc7/0x130 [ 323.108497] ? cache_grow_begin+0x65/0x8c0 [ 323.112737] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.117322] ? trace_hardirqs_on+0xbd/0x310 [ 323.121647] ? fallback_alloc+0x204/0x2e0 [ 323.125795] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.130904] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.136462] cache_grow_begin+0xa5/0x8c0 [ 323.140532] ? do_raw_spin_unlock+0xa7/0x330 [ 323.144947] fallback_alloc+0x204/0x2e0 [ 323.148947] ____cache_alloc_node+0x1c7/0x1e0 [ 323.153481] kmem_cache_alloc_node+0xe3/0x730 [ 323.157997] __alloc_skb+0x119/0x770 [ 323.161748] ? netdev_alloc_frag+0x1f0/0x1f0 [ 323.166161] ? if_nlmsg_size+0x5d1/0xbb0 [ 323.170233] ? rtnetlink_put_metrics+0x690/0x690 [ 323.174998] ? sk_psock_stop_strp+0x120/0x120 [ 323.179505] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 323.184520] ? netif_tx_stop_all_queues+0xd9/0x110 [ 323.189459] rtmsg_ifinfo_build_skb+0x74/0x190 [ 323.194064] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 323.198930] rtmsg_ifinfo+0x8c/0xa0 [ 323.202569] dev_close_many+0x3be/0x860 [ 323.206555] ? dev_fill_metadata_dst+0x840/0x840 [ 323.211312] ? find_held_lock+0x36/0x1c0 [ 323.215390] ? __queue_work+0x671/0x1440 [ 323.219478] ? lock_downgrade+0x900/0x900 [ 323.223647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.229292] ? rtnl_is_locked+0xb5/0xf0 [ 323.233272] ? rtnl_trylock+0x20/0x20 [ 323.237074] ? do_raw_spin_unlock+0xa7/0x330 [ 323.241482] ? do_raw_spin_trylock+0x270/0x270 [ 323.246092] rollback_registered_many+0x543/0x1250 [ 323.251036] ? generic_xdp_install+0x5a0/0x5a0 [ 323.255625] ? flush_rcu_work+0x90/0x90 [ 323.259604] ? zap_class+0x640/0x640 [ 323.263348] ? print_usage_bug+0xc0/0xc0 [ 323.267449] ? print_usage_bug+0xc0/0xc0 [ 323.271515] ? zap_class+0x640/0x640 [ 323.275236] ? print_usage_bug+0xc0/0xc0 [ 323.279301] ? find_held_lock+0x36/0x1c0 [ 323.283396] ? mark_held_locks+0xc7/0x130 [ 323.287561] rollback_registered+0x1e9/0x420 [ 323.291971] ? lockdep_hardirqs_on+0x321/0x5b0 [ 323.296555] ? rollback_registered_many+0x1250/0x1250 [ 323.301747] ? trace_hardirqs_on+0xbd/0x310 [ 323.306072] ? linkwatch_schedule_work+0x150/0x170 [ 323.311003] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.316108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.321643] ? rtnl_is_locked+0xb5/0xf0 [ 323.325615] ? rtnl_trylock+0x20/0x20 [ 323.329418] ? queue_delayed_work_on+0x130/0x1f0 [ 323.334193] unregister_netdevice_queue+0x321/0x5e0 [ 323.339214] ? rollback_registered+0x420/0x420 [ 323.343815] ? linkwatch_schedule_work+0x170/0x170 [ 323.348761] ? tun_setup+0x2d0/0x2d0 [ 323.352493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.358036] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 323.363402] ? __tun_detach+0x6ba/0x15c0 [ 323.367481] __tun_detach+0x11b8/0x15c0 [ 323.371460] ? __call_rcu.constprop.55+0x3ea/0x950 [ 323.376391] ? __call_rcu.constprop.55+0x3ea/0x950 [ 323.381328] ? tun_attach+0x1900/0x1900 [ 323.385319] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.390440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.395991] ? check_preemption_disabled+0x48/0x280 [ 323.401010] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.405617] ? zap_class+0x640/0x640 [ 323.409335] ? fsnotify+0x4e5/0xf20 [ 323.412986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.418523] ? locks_remove_file+0x3c6/0x5c0 [ 323.422937] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 323.428483] ? ima_file_free+0x132/0x650 [ 323.432551] ? __lock_is_held+0xb5/0x140 [ 323.436617] ? __tun_detach+0x15c0/0x15c0 [ 323.440774] ? __tun_detach+0x15c0/0x15c0 [ 323.444940] tun_chr_close+0xe3/0x180 [ 323.448780] __fput+0x385/0xa30 [ 323.452069] ? get_max_files+0x20/0x20 [ 323.455971] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.461452] ____fput+0x15/0x20 [ 323.464761] task_work_run+0x1e8/0x2a0 [ 323.468655] ? task_work_cancel+0x240/0x240 [ 323.472985] ? switch_task_namespaces+0xb8/0xd0 [ 323.477662] do_exit+0x1ad6/0x26d0 [ 323.481212] ? mm_update_next_owner+0x990/0x990 [ 323.485901] ? print_usage_bug+0xc0/0xc0 [ 323.489985] ? find_held_lock+0x36/0x1c0 [ 323.494065] ? mark_held_locks+0x130/0x130 [ 323.498307] ? __lock_acquire+0x62f/0x4c20 [ 323.502555] ? pipe_wait+0x266/0x2c0 [ 323.506276] ? lock_release+0xa00/0xa00 [ 323.510259] ? mark_held_locks+0x130/0x130 [ 323.514524] ? __mutex_lock+0x85e/0x16f0 [ 323.518586] ? __switch_to_asm+0x40/0x70 [ 323.522647] ? pipe_wait+0x266/0x2c0 [ 323.526361] ? __switch_to_asm+0x34/0x70 [ 323.530443] ? __switch_to_asm+0x40/0x70 [ 323.534514] ? mutex_trylock+0x2b0/0x2b0 [ 323.538586] ? zap_class+0x640/0x640 [ 323.542318] ? zap_class+0x640/0x640 [ 323.546031] ? find_held_lock+0x36/0x1c0 [ 323.550104] ? memset+0x31/0x40 [ 323.553393] ? find_held_lock+0x36/0x1c0 [ 323.557470] ? get_signal+0x95b/0x1980 [ 323.561360] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.565855] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.570358] do_group_exit+0x177/0x440 [ 323.574247] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.579356] ? __ia32_sys_exit+0x50/0x50 [ 323.583438] get_signal+0x8b0/0x1980 [ 323.587172] ? ptrace_notify+0x130/0x130 [ 323.591255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.596816] ? pipe_read+0x702/0x940 [ 323.600537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.606104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.611642] ? __vfs_read+0x11f/0x9b0 [ 323.615458] do_signal+0x9c/0x21c0 [ 323.619031] ? fsnotify+0xf20/0xf20 [ 323.622678] ? setup_sigcontext+0x7d0/0x7d0 [ 323.627032] ? exit_to_usermode_loop+0x8c/0x380 [ 323.631714] ? exit_to_usermode_loop+0x8c/0x380 [ 323.636385] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.641003] ? trace_hardirqs_on+0xbd/0x310 [ 323.645328] ? do_syscall_64+0x6be/0x820 [ 323.649396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.654958] exit_to_usermode_loop+0x2e5/0x380 [ 323.659544] ? __bpf_trace_sys_exit+0x30/0x30 [ 323.664054] do_syscall_64+0x6be/0x820 [ 323.667939] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 323.673320] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.678247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.683098] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.688123] ? prepare_exit_to_usermode+0x291/0x3b0 [ 323.693147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.698011] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.703202] RIP: 0033:0x410fa0 [ 323.706406] Code: Bad RIP value. [ 323.709772] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 323.717478] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 323.724745] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 323.732011] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 323.739281] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 323.746568] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 323.753858] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 323.753929] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.761224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.761233] Call Trace: [ 323.767801] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.777098] [ 323.779670] syz-executor5 cpuset=syz5 mems_allowed=0 [ 323.790149] dump_stack+0x244/0x39d [ 323.801037] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.806242] warn_alloc.cold.116+0xb7/0x1bd [ 323.810612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.815474] ? lock_downgrade+0x900/0x900 [ 323.819639] ? trace_hardirqs_off+0xb8/0x310 [ 323.824059] ? trace_hardirqs_off+0xb8/0x310 [ 323.828482] __alloc_pages_slowpath+0x26e8/0x2e10 [ 323.833353] ? warn_alloc+0x120/0x120 [ 323.837172] ? print_usage_bug+0xc0/0xc0 [ 323.841233] ? warn_alloc+0x120/0x120 [ 323.845054] ? warn_alloc+0x120/0x120 [ 323.848871] ? print_usage_bug+0xc0/0xc0 [ 323.852937] ? print_usage_bug+0xc0/0xc0 [ 323.857000] ? __lock_acquire+0x62f/0x4c20 [ 323.861256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.866794] ? should_fail+0x22d/0xd01 [ 323.870719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.875821] ? __lock_acquire+0x62f/0x4c20 [ 323.880132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.885234] ? __lock_acquire+0x62f/0x4c20 [ 323.889499] ? should_fail+0x22d/0xd01 [ 323.893386] ? find_held_lock+0x36/0x1c0 [ 323.897473] ? mark_held_locks+0x130/0x130 [ 323.901714] ? mark_held_locks+0x130/0x130 [ 323.905944] ? zap_class+0x640/0x640 [ 323.909674] ? zap_class+0x640/0x640 [ 323.913436] ? print_usage_bug+0xc0/0xc0 [ 323.917501] ? do_raw_spin_unlock+0xa7/0x330 [ 323.921909] ? zap_class+0x640/0x640 [ 323.925623] ? print_usage_bug+0xc0/0xc0 [ 323.929691] ? wq_watchdog_touch+0x9c/0xfe [ 323.933953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.939500] ? check_preemption_disabled+0x48/0x280 [ 323.944536] ? __lock_is_held+0xb5/0x140 [ 323.948618] __alloc_pages_nodemask+0xa80/0xde0 [ 323.953290] ? zap_class+0x640/0x640 [ 323.957014] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 323.962047] ? find_held_lock+0x36/0x1c0 [ 323.966134] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.970820] ? lock_downgrade+0x900/0x900 [ 323.974974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.980522] cache_grow_begin+0xa5/0x8c0 [ 323.984585] ? do_raw_spin_unlock+0xa7/0x330 [ 323.989004] fallback_alloc+0x204/0x2e0 [ 323.992989] ____cache_alloc_node+0x1c7/0x1e0 [ 323.997524] kmem_cache_alloc_node+0xe3/0x730 [ 324.002021] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.006269] __alloc_skb+0x119/0x770 [ 324.010001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.015284] ? netdev_alloc_frag+0x1f0/0x1f0 [ 324.019693] ? lock_downgrade+0x900/0x900 [ 324.023848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.029406] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.034874] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.040327] ? addrconf_rs_timer+0x690/0x690 [ 324.044753] ndisc_alloc_skb+0x144/0x340 [ 324.048825] ndisc_send_rs+0x331/0x6e0 [ 324.052720] addrconf_rs_timer+0x314/0x690 [ 324.056975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.061221] call_timer_fn+0x272/0x920 [ 324.065113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.069350] ? process_timeout+0x40/0x40 [ 324.073446] ? __run_timers+0x7da/0xc70 [ 324.077488] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.081998] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.086495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.090742] ? lockdep_hardirqs_on+0x296/0x5b0 [ 324.095325] ? trace_hardirqs_on+0xbd/0x310 [ 324.099644] ? kasan_check_read+0x11/0x20 [ 324.103806] ? __run_timers+0x7da/0xc70 [ 324.107782] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.112892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.117133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.121366] __run_timers+0x7e5/0xc70 [ 324.125180] ? timer_fixup_init+0x70/0x70 [ 324.129329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.134347] ? zap_class+0x640/0x640 [ 324.138069] ? enqueue_hrtimer+0x1a5/0x560 [ 324.142308] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.147537] ? find_held_lock+0x36/0x1c0 [ 324.151605] ? zap_class+0x640/0x640 [ 324.155322] ? pvclock_read_flags+0x160/0x160 [ 324.159846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.165394] ? check_preemption_disabled+0x48/0x280 [ 324.170425] ? __lock_is_held+0xb5/0x140 [ 324.174515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.180054] ? check_preemption_disabled+0x48/0x280 [ 324.185077] run_timer_softirq+0x52/0xb0 [ 324.189140] ? rcu_read_lock_sched_held+0x14f/0x180 [ 324.194162] __do_softirq+0x308/0xb7e [ 324.197964] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 324.202467] ? lock_downgrade+0x900/0x900 [ 324.206636] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 324.211747] ? pvclock_read_flags+0x160/0x160 [ 324.216263] ? lapic_next_event+0x5a/0x90 [ 324.220412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.225963] ? kvm_clock_read+0x18/0x30 [ 324.229941] ? kvm_sched_clock_read+0x9/0x20 [ 324.234353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.239904] ? check_preemption_disabled+0x48/0x280 [ 324.244929] irq_exit+0x17f/0x1c0 [ 324.248390] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.253236] ? smp_reschedule_interrupt+0x109/0x650 [ 324.258263] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.264164] ? interrupt_entry+0xb5/0xc0 [ 324.268239] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.273255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.278289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.283137] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.288151] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.293167] ? task_prio+0x50/0x50 [ 324.296711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.302250] ? check_preemption_disabled+0x48/0x280 [ 324.307273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.312130] apic_timer_interrupt+0xf/0x20 [ 324.316360] [ 324.318601] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 324.324496] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 324.343396] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 324.351128] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 324.358393] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 324.365660] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 324.372941] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 324.380223] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 324.387536] ? save_stack+0xa9/0xd0 [ 324.391192] __kmalloc_node_track_caller+0x3c/0x70 [ 324.396128] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 324.400891] pskb_expand_head+0x230/0x10f0 [ 324.405134] ? memcpy+0x45/0x50 [ 324.408419] ? __copy_skb_header+0x350/0x6b0 [ 324.412846] ? skb_release_data+0x880/0x880 [ 324.417204] ? __alloc_skb+0x770/0x770 [ 324.421130] ? __lock_is_held+0xb5/0x140 [ 324.425201] ? kasan_check_write+0x14/0x20 [ 324.429443] ? __skb_clone+0x6c7/0xa00 [ 324.433364] ? __copy_skb_header+0x6b0/0x6b0 [ 324.437788] ? kmem_cache_alloc+0x33a/0x730 [ 324.442129] skb_ensure_writable+0x3dd/0x640 [ 324.446542] ? skb_checksum_setup+0xaa0/0xaa0 [ 324.451039] ? check_preemption_disabled+0x48/0x280 [ 324.456065] ? __this_cpu_preempt_check+0x1c/0x20 [ 324.460935] ? __bpf_redirect+0x54b/0xb20 [ 324.465093] bpf_clone_redirect+0x14a/0x490 [ 324.469423] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 324.474476] ? __sched_text_start+0x8/0x8 [ 324.478634] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.483215] ? retint_kernel+0x2d/0x2d [ 324.487122] ? trace_hardirqs_on_caller+0xc0/0x310 [ 324.492059] ? find_held_lock+0x36/0x1c0 [ 324.496147] ? lock_acquire+0x1ed/0x520 [ 324.500153] ? bpf_test_run+0x3cb/0x780 [ 324.504140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.509684] ? check_preemption_disabled+0x48/0x280 [ 324.514738] ? kasan_check_read+0x11/0x20 [ 324.518887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.524182] ? rcu_softirq_qs+0x20/0x20 [ 324.528172] ? preempt_schedule+0x4d/0x60 [ 324.532323] ? ___preempt_schedule+0x16/0x18 [ 324.536740] ? bpf_test_run+0x25d/0x780 [ 324.540743] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.545157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.550693] ? bpf_test_init.isra.10+0x70/0x100 [ 324.555385] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 324.560152] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.565018] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.570556] ? fput+0x130/0x1a0 [ 324.573837] ? __bpf_prog_get+0x9b/0x290 [ 324.577934] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.583283] ? bpf_prog_test_run+0x130/0x1a0 [ 324.587698] ? __x64_sys_bpf+0x3d8/0x520 [ 324.591863] ? bpf_prog_get+0x20/0x20 [ 324.595684] ? do_syscall_64+0x1b9/0x820 [ 324.599744] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.605111] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.610043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.614897] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.619933] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.624956] ? prepare_exit_to_usermode+0x291/0x3b0 [ 324.629982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.634838] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.640228] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 324.640234] warn_alloc_show_mem: 1 callbacks suppressed [ 324.640241] Mem-Info: [ 324.647512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.652891] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 324.652891] active_file:12 inactive_file:13 isolated_file:0 [ 324.652891] unevictable:0 dirty:0 writeback:0 unstable:0 [ 324.652891] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 324.652891] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 324.652891] free:13733 free_pcp:586 free_cma:0 [ 324.655266] Call Trace: [ 324.664658] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 324.697506] [ 324.700081] 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 [ 324.728004] dump_stack+0x244/0x39d [ 324.730143] lowmem_reserve[]: 0 2818 6321 6321 [ 324.756269] ? dump_stack_print_info.cold.1+0x20/0x20 [ 324.759867] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 324.764472] warn_alloc.cold.116+0xb7/0x1bd [ 324.769649] lowmem_reserve[]: 0 0 3503 3503 [ 324.797245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.801547] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 324.805866] ? lock_downgrade+0x900/0x900 [ 324.810680] lowmem_reserve[]: 0 0 0 0 [ 324.839667] ? trace_hardirqs_off+0xb8/0x310 [ 324.843785] 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 [ 324.847588] ? trace_hardirqs_off+0xb8/0x310 [ 324.851970] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 324.865491] __alloc_pages_slowpath+0x26e8/0x2e10 [ 324.869875] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 324.885236] ? warn_alloc+0x120/0x120 [ 324.890042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 324.903900] ? print_usage_bug+0xc0/0xc0 [ 324.907681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 324.916509] ? warn_alloc+0x120/0x120 [ 324.920562] 269 total pagecache pages [ 324.929133] ? warn_alloc+0x120/0x120 [ 324.932912] 0 pages in swap cache [ 324.936705] ? print_usage_bug+0xc0/0xc0 [ 324.940486] Swap cache stats: add 0, delete 0, find 0/0 [ 324.943933] ? kvm_clock_read+0x18/0x30 [ 324.947969] Free swap = 0kB [ 324.953337] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 324.957282] Total swap = 0kB [ 324.960316] ? print_usage_bug+0xc0/0xc0 [ 324.965311] 1965979 pages RAM [ 324.968322] ? __lock_acquire+0x62f/0x4c20 [ 324.972358] 0 pages HighMem/MovableOnly [ 324.975482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.979693] 342853 pages reserved [ 324.983661] ? should_fail+0x22d/0xd01 [ 324.989172] 0 pages cma reserved [ 324.992631] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.992651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.996593] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 324.999872] ? __lock_acquire+0x62f/0x4c20 [ 325.005229] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.010243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.016712] syz-executor0 cpuset=syz0 mems_allowed=0 [ 325.020949] ? __lock_acquire+0x62f/0x4c20 [ 325.045816] ? should_fail+0x22d/0xd01 [ 325.049702] ? rcu_irq_exit+0x1a2/0x390 [ 325.053687] ? mark_held_locks+0x130/0x130 [ 325.057978] ? mark_held_locks+0x130/0x130 [ 325.062233] ? mark_held_locks+0xc7/0x130 [ 325.066380] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 325.071424] ? zap_class+0x640/0x640 [ 325.075164] ? print_usage_bug+0xc0/0xc0 [ 325.079226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.084764] ? check_preemption_disabled+0x48/0x280 [ 325.089791] ? __lock_is_held+0xb5/0x140 [ 325.093860] __alloc_pages_nodemask+0xa80/0xde0 [ 325.098532] ? zap_class+0x640/0x640 [ 325.102256] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 325.107290] ? find_held_lock+0x36/0x1c0 [ 325.111367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.116052] ? lock_downgrade+0x900/0x900 [ 325.120242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.125785] cache_grow_begin+0xa5/0x8c0 [ 325.129856] ? do_raw_spin_unlock+0xa7/0x330 [ 325.134278] fallback_alloc+0x204/0x2e0 [ 325.138261] ____cache_alloc_node+0x1c7/0x1e0 [ 325.142763] kmem_cache_alloc_node+0xe3/0x730 [ 325.147289] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.151535] __alloc_skb+0x119/0x770 [ 325.155247] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.160532] ? netdev_alloc_frag+0x1f0/0x1f0 [ 325.164961] ? lock_downgrade+0x900/0x900 [ 325.169120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.174657] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.180124] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.185577] ? addrconf_rs_timer+0x690/0x690 [ 325.189996] ndisc_alloc_skb+0x144/0x340 [ 325.194061] ndisc_send_rs+0x331/0x6e0 [ 325.197962] addrconf_rs_timer+0x314/0x690 [ 325.202234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.206480] call_timer_fn+0x272/0x920 [ 325.210368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.214603] ? process_timeout+0x40/0x40 [ 325.218677] ? mark_held_locks+0xc7/0x130 [ 325.222859] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.227355] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.231857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.236093] ? lockdep_hardirqs_on+0x296/0x5b0 [ 325.240680] ? trace_hardirqs_on+0xbd/0x310 [ 325.245004] ? kasan_check_read+0x11/0x20 [ 325.249150] ? __run_timers+0x7da/0xc70 [ 325.253127] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.258324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.262584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.266819] __run_timers+0x7e5/0xc70 [ 325.270635] ? timer_fixup_init+0x70/0x70 [ 325.274787] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 325.279809] ? zap_class+0x640/0x640 [ 325.283548] ? print_usage_bug+0xc0/0xc0 [ 325.287616] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 325.292818] ? find_held_lock+0x36/0x1c0 [ 325.296895] ? zap_class+0x640/0x640 [ 325.300627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.306170] ? check_preemption_disabled+0x48/0x280 [ 325.311203] ? __lock_is_held+0xb5/0x140 [ 325.315266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.320804] ? check_preemption_disabled+0x48/0x280 [ 325.325828] run_timer_softirq+0x52/0xb0 [ 325.329892] ? rcu_read_lock_sched_held+0x14f/0x180 [ 325.334910] __do_softirq+0x308/0xb7e [ 325.338715] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 325.343222] ? lock_downgrade+0x900/0x900 [ 325.347374] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 325.352491] ? pvclock_read_flags+0x160/0x160 [ 325.356996] ? lapic_next_event+0x5a/0x90 [ 325.361148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.366700] ? kvm_clock_read+0x18/0x30 [ 325.370696] ? kvm_sched_clock_read+0x9/0x20 [ 325.375110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.380663] ? check_preemption_disabled+0x48/0x280 [ 325.385691] irq_exit+0x17f/0x1c0 [ 325.389147] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.393993] ? smp_reschedule_interrupt+0x109/0x650 [ 325.399031] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.404918] ? interrupt_entry+0xb5/0xc0 [ 325.408990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.414010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.419029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.423875] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.428893] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.433909] ? task_prio+0x50/0x50 [ 325.437476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.443020] ? check_preemption_disabled+0x48/0x280 [ 325.448047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.452899] apic_timer_interrupt+0xf/0x20 [ 325.457143] [ 325.459383] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 325.464586] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 325.483531] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 325.491240] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 325.498509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 325.505780] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 325.513049] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 325.520315] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 325.527623] retint_kernel+0x1b/0x2d [ 325.531345] RIP: 0010:dump_stack+0x358/0x39d [ 325.535756] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 325.554659] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 325.562381] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 325.569652] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 325.576921] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 325.584201] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 325.591481] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 325.598768] ? dump_stack+0x34f/0x39d [ 325.602579] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.607821] dump_header+0x27b/0xf72 [ 325.611542] ? mark_held_locks+0x130/0x130 [ 325.615790] ? pagefault_out_of_memory+0x197/0x197 [ 325.620728] ? __lock_acquire+0x62f/0x4c20 [ 325.624963] ? zap_class+0x640/0x640 [ 325.628681] ? percpu_ref_get_many+0x240/0x240 [ 325.633296] ? print_usage_bug+0xc0/0xc0 [ 325.637382] ? print_usage_bug+0xc0/0xc0 [ 325.641464] ? zap_class+0x640/0x640 [ 325.645199] ? print_usage_bug+0xc0/0xc0 [ 325.649260] ? print_usage_bug+0xc0/0xc0 [ 325.653326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.658869] ? find_held_lock+0x36/0x1c0 [ 325.662938] ? mark_held_locks+0xc7/0x130 [ 325.667095] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.672219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.677337] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 325.681930] ? trace_hardirqs_on+0xbd/0x310 [ 325.686257] ? kasan_check_read+0x11/0x20 [ 325.690404] ? ___ratelimit+0x3b4/0x672 [ 325.694390] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.699500] ? trace_hardirqs_on+0x310/0x310 [ 325.703908] ? lock_downgrade+0x900/0x900 [ 325.708093] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 325.713210] ? ___ratelimit+0x3b9/0x672 [ 325.717186] ? idr_get_free+0xf70/0xf70 [ 325.721158] ? find_held_lock+0x36/0x1c0 [ 325.725231] oom_kill_process.cold.27+0x10/0x903 [ 325.729988] ? zap_class+0x640/0x640 [ 325.733706] ? check_preemption_disabled+0x48/0x280 [ 325.738740] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 325.743671] ? kasan_check_read+0x11/0x20 [ 325.747826] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.753114] ? oom_evaluate_task+0x540/0x540 [ 325.757531] ? find_held_lock+0x36/0x1c0 [ 325.761612] ? out_of_memory+0x974/0x1430 [ 325.765762] ? lock_downgrade+0x900/0x900 [ 325.769926] ? check_preemption_disabled+0x48/0x280 [ 325.774949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 325.779888] ? kasan_check_read+0x11/0x20 [ 325.784045] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.789322] ? rcu_softirq_qs+0x20/0x20 [ 325.793304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.798853] ? oom_evaluate_task+0x302/0x540 [ 325.803292] out_of_memory+0xa84/0x1430 [ 325.807273] ? oom_killer_disable+0x3a0/0x3a0 [ 325.811793] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 325.816730] ? __ww_mutex_check_waiters+0x160/0x160 [ 325.821760] __alloc_pages_slowpath+0x2354/0x2e10 [ 325.826637] ? warn_alloc+0x120/0x120 [ 325.830462] ? warn_alloc+0x120/0x120 [ 325.834320] ? warn_alloc+0x120/0x120 [ 325.838148] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.843260] ? print_usage_bug+0xc0/0xc0 [ 325.847335] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 325.852013] ? print_usage_bug+0xc0/0xc0 [ 325.856105] ? print_usage_bug+0xc0/0xc0 [ 325.860173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.865712] ? should_fail+0x22d/0xd01 [ 325.869608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.874712] ? zap_class+0x640/0x640 [ 325.878473] ? __lock_is_held+0xb5/0x140 [ 325.882550] ? zap_class+0x640/0x640 [ 325.886267] ? lock_release+0xa00/0xa00 [ 325.890244] ? perf_trace_sched_process_exec+0x860/0x860 [ 325.895696] ? check_preemption_disabled+0x48/0x280 [ 325.900725] ? __might_sleep+0x95/0x190 [ 325.904709] __alloc_pages_nodemask+0xa80/0xde0 [ 325.909409] ? zap_class+0x640/0x640 [ 325.913173] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 325.918215] ? mark_held_locks+0xc7/0x130 [ 325.922368] ? cache_grow_begin+0x65/0x8c0 [ 325.926606] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 325.931215] ? trace_hardirqs_on+0xbd/0x310 [ 325.935558] ? fallback_alloc+0x204/0x2e0 [ 325.939708] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.944850] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.950426] cache_grow_begin+0xa5/0x8c0 [ 325.954501] ? do_raw_spin_unlock+0xa7/0x330 [ 325.958919] fallback_alloc+0x204/0x2e0 [ 325.962908] ____cache_alloc_node+0x1c7/0x1e0 [ 325.967411] kmem_cache_alloc_node+0xe3/0x730 [ 325.971937] __alloc_skb+0x119/0x770 [ 325.975661] ? netdev_alloc_frag+0x1f0/0x1f0 [ 325.980085] ? if_nlmsg_size+0x5d1/0xbb0 [ 325.984151] ? rtnetlink_put_metrics+0x690/0x690 [ 325.988919] ? sk_psock_stop_strp+0x120/0x120 [ 325.993420] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 325.998453] ? netif_tx_stop_all_queues+0xd9/0x110 [ 326.003447] rtmsg_ifinfo_build_skb+0x74/0x190 [ 326.008072] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 326.012921] rtmsg_ifinfo+0x8c/0xa0 [ 326.016591] dev_close_many+0x3be/0x860 [ 326.020594] ? dev_fill_metadata_dst+0x840/0x840 [ 326.025353] ? find_held_lock+0x36/0x1c0 [ 326.029448] ? __queue_work+0x671/0x1440 [ 326.033582] ? lock_downgrade+0x900/0x900 [ 326.037746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.043297] ? rtnl_is_locked+0xb5/0xf0 [ 326.047274] ? rtnl_trylock+0x20/0x20 [ 326.051073] ? do_raw_spin_unlock+0xa7/0x330 [ 326.055484] ? do_raw_spin_trylock+0x270/0x270 [ 326.060079] rollback_registered_many+0x543/0x1250 [ 326.065022] ? generic_xdp_install+0x5a0/0x5a0 [ 326.069626] ? flush_rcu_work+0x90/0x90 [ 326.073601] ? zap_class+0x640/0x640 [ 326.077316] ? print_usage_bug+0xc0/0xc0 [ 326.081376] ? print_usage_bug+0xc0/0xc0 [ 326.085490] ? zap_class+0x640/0x640 [ 326.089220] ? print_usage_bug+0xc0/0xc0 [ 326.093296] ? find_held_lock+0x36/0x1c0 [ 326.097369] ? mark_held_locks+0xc7/0x130 [ 326.101541] rollback_registered+0x1e9/0x420 [ 326.105958] ? lockdep_hardirqs_on+0x321/0x5b0 [ 326.110554] ? rollback_registered_many+0x1250/0x1250 [ 326.115762] ? trace_hardirqs_on+0xbd/0x310 [ 326.120117] ? linkwatch_schedule_work+0x150/0x170 [ 326.125051] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.130160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.135713] ? rtnl_is_locked+0xb5/0xf0 [ 326.139688] ? rtnl_trylock+0x20/0x20 [ 326.143509] ? queue_delayed_work_on+0x130/0x1f0 [ 326.148272] unregister_netdevice_queue+0x321/0x5e0 [ 326.153293] ? rollback_registered+0x420/0x420 [ 326.157894] ? linkwatch_schedule_work+0x170/0x170 [ 326.162825] ? tun_setup+0x2d0/0x2d0 [ 326.166547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.172088] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 326.177457] ? __tun_detach+0x6ba/0x15c0 [ 326.181530] __tun_detach+0x11b8/0x15c0 [ 326.185513] ? __call_rcu.constprop.55+0x3ea/0x950 [ 326.190452] ? __call_rcu.constprop.55+0x3ea/0x950 [ 326.195391] ? tun_attach+0x1900/0x1900 [ 326.199370] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.204509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.210052] ? check_preemption_disabled+0x48/0x280 [ 326.215072] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 326.219663] ? zap_class+0x640/0x640 [ 326.223397] ? fsnotify+0x4e5/0xf20 [ 326.227038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.232575] ? locks_remove_file+0x3c6/0x5c0 [ 326.237003] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 326.242540] ? ima_file_free+0x132/0x650 [ 326.246613] ? __lock_is_held+0xb5/0x140 [ 326.250680] ? __tun_detach+0x15c0/0x15c0 [ 326.254839] ? __tun_detach+0x15c0/0x15c0 [ 326.259002] tun_chr_close+0xe3/0x180 [ 326.262808] __fput+0x385/0xa30 [ 326.266094] ? get_max_files+0x20/0x20 [ 326.269996] ? perf_trace_sched_process_exec+0x860/0x860 [ 326.275499] ____fput+0x15/0x20 [ 326.278798] task_work_run+0x1e8/0x2a0 [ 326.282692] ? task_work_cancel+0x240/0x240 [ 326.287015] ? switch_task_namespaces+0xb8/0xd0 [ 326.291691] do_exit+0x1ad6/0x26d0 [ 326.295245] ? mm_update_next_owner+0x990/0x990 [ 326.299914] ? print_usage_bug+0xc0/0xc0 [ 326.303978] ? find_held_lock+0x36/0x1c0 [ 326.308069] ? mark_held_locks+0x130/0x130 [ 326.312314] ? __lock_acquire+0x62f/0x4c20 [ 326.316551] ? pipe_wait+0x266/0x2c0 [ 326.320319] ? lock_release+0xa00/0xa00 [ 326.324317] ? mark_held_locks+0x130/0x130 [ 326.328584] ? __mutex_lock+0x85e/0x16f0 [ 326.332645] ? __switch_to_asm+0x40/0x70 [ 326.336701] ? pipe_wait+0x266/0x2c0 [ 326.340414] ? __switch_to_asm+0x34/0x70 [ 326.344478] ? __switch_to_asm+0x40/0x70 [ 326.348543] ? mutex_trylock+0x2b0/0x2b0 [ 326.352624] ? zap_class+0x640/0x640 [ 326.356366] ? zap_class+0x640/0x640 [ 326.360078] ? find_held_lock+0x36/0x1c0 [ 326.364152] ? memset+0x31/0x40 [ 326.367486] ? find_held_lock+0x36/0x1c0 [ 326.371569] ? get_signal+0x95b/0x1980 [ 326.375492] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.380003] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.384504] do_group_exit+0x177/0x440 [ 326.388393] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.393513] ? __ia32_sys_exit+0x50/0x50 [ 326.397602] get_signal+0x8b0/0x1980 [ 326.401326] ? ptrace_notify+0x130/0x130 [ 326.405392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.410928] ? pipe_read+0x702/0x940 [ 326.414649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.420216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.425754] ? __vfs_read+0x11f/0x9b0 [ 326.429564] do_signal+0x9c/0x21c0 [ 326.433108] ? fsnotify+0xf20/0xf20 [ 326.436744] ? setup_sigcontext+0x7d0/0x7d0 [ 326.441073] ? exit_to_usermode_loop+0x8c/0x380 [ 326.445776] ? exit_to_usermode_loop+0x8c/0x380 [ 326.450454] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 326.455038] ? trace_hardirqs_on+0xbd/0x310 [ 326.459360] ? do_syscall_64+0x6be/0x820 [ 326.463435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.468984] exit_to_usermode_loop+0x2e5/0x380 [ 326.473572] ? __bpf_trace_sys_exit+0x30/0x30 [ 326.478103] do_syscall_64+0x6be/0x820 [ 326.481987] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 326.487350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 326.492276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.497126] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.502146] ? prepare_exit_to_usermode+0x291/0x3b0 [ 326.507168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.512020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 326.517209] RIP: 0033:0x410fa0 [ 326.520415] Code: Bad RIP value. [ 326.523798] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 326.531503] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 326.538777] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 326.546041] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 326.553306] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 326.560585] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 326.567914] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 326.567989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.575281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.575287] Call Trace: [ 326.575292] [ 326.575310] dump_stack+0x244/0x39d [ 326.575329] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.581857] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.591627] warn_alloc.cold.116+0xb7/0x1bd [ 326.594189] syz-executor5 cpuset=syz5 mems_allowed=0 [ 326.596334] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.629820] ? lock_downgrade+0x900/0x900 [ 326.633987] ? trace_hardirqs_off+0xb8/0x310 [ 326.638424] ? trace_hardirqs_off+0xb8/0x310 [ 326.642848] __alloc_pages_slowpath+0x26e8/0x2e10 [ 326.647720] ? warn_alloc+0x120/0x120 [ 326.651525] ? print_usage_bug+0xc0/0xc0 [ 326.655593] ? warn_alloc+0x120/0x120 [ 326.659444] ? warn_alloc+0x120/0x120 [ 326.663253] ? print_usage_bug+0xc0/0xc0 [ 326.667317] ? kvm_clock_read+0x18/0x30 [ 326.671290] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 326.676309] ? print_usage_bug+0xc0/0xc0 [ 326.680372] ? __lock_acquire+0x62f/0x4c20 [ 326.684641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.690179] ? should_fail+0x22d/0xd01 [ 326.694082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.699364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.704474] ? __lock_acquire+0x62f/0x4c20 [ 326.708730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.714014] ? __lock_acquire+0x62f/0x4c20 [ 326.718251] ? should_fail+0x22d/0xd01 [ 326.722136] ? rcu_irq_exit+0x1a2/0x390 [ 326.726122] ? mark_held_locks+0x130/0x130 [ 326.730378] ? mark_held_locks+0x130/0x130 [ 326.734620] ? mark_held_locks+0xc7/0x130 [ 326.738768] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 326.743799] ? zap_class+0x640/0x640 [ 326.747514] ? print_usage_bug+0xc0/0xc0 [ 326.751581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.757123] ? check_preemption_disabled+0x48/0x280 [ 326.762151] ? __lock_is_held+0xb5/0x140 [ 326.766221] __alloc_pages_nodemask+0xa80/0xde0 [ 326.770890] ? zap_class+0x640/0x640 [ 326.774610] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 326.779639] ? find_held_lock+0x36/0x1c0 [ 326.783711] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.788380] ? lock_downgrade+0x900/0x900 [ 326.792548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.798092] cache_grow_begin+0xa5/0x8c0 [ 326.802155] ? do_raw_spin_unlock+0xa7/0x330 [ 326.806574] fallback_alloc+0x204/0x2e0 [ 326.810572] ____cache_alloc_node+0x1c7/0x1e0 [ 326.815077] kmem_cache_alloc_node+0xe3/0x730 [ 326.819574] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.823837] __alloc_skb+0x119/0x770 [ 326.827550] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.832848] ? netdev_alloc_frag+0x1f0/0x1f0 [ 326.837260] ? lock_downgrade+0x900/0x900 [ 326.841444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.847010] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.852476] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 326.857929] ? addrconf_rs_timer+0x690/0x690 [ 326.862357] ndisc_alloc_skb+0x144/0x340 [ 326.866438] ndisc_send_rs+0x331/0x6e0 [ 326.870341] addrconf_rs_timer+0x314/0x690 [ 326.874590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.878835] call_timer_fn+0x272/0x920 [ 326.882727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.886963] ? process_timeout+0x40/0x40 [ 326.891034] ? __run_timers+0x7da/0xc70 [ 326.895013] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.899525] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.904018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.908267] ? lockdep_hardirqs_on+0x296/0x5b0 [ 326.912854] ? trace_hardirqs_on+0xbd/0x310 [ 326.917189] ? kasan_check_read+0x11/0x20 [ 326.921336] ? __run_timers+0x7da/0xc70 [ 326.925313] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.930424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.934679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.938917] __run_timers+0x7e5/0xc70 [ 326.942731] ? timer_fixup_init+0x70/0x70 [ 326.946886] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.951905] ? zap_class+0x640/0x640 [ 326.955629] ? enqueue_hrtimer+0x1a5/0x560 [ 326.959866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.965067] ? find_held_lock+0x36/0x1c0 [ 326.969134] ? zap_class+0x640/0x640 [ 326.972858] ? pvclock_read_flags+0x160/0x160 [ 326.977357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.982898] ? check_preemption_disabled+0x48/0x280 [ 326.987942] ? __lock_is_held+0xb5/0x140 [ 326.992018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.997564] ? check_preemption_disabled+0x48/0x280 [ 327.002587] run_timer_softirq+0x52/0xb0 [ 327.006651] ? rcu_read_lock_sched_held+0x14f/0x180 [ 327.011673] __do_softirq+0x308/0xb7e [ 327.015486] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 327.020000] ? lock_downgrade+0x900/0x900 [ 327.024188] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 327.029301] ? pvclock_read_flags+0x160/0x160 [ 327.033800] ? lapic_next_event+0x5a/0x90 [ 327.037955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.043498] ? kvm_clock_read+0x18/0x30 [ 327.047481] ? kvm_sched_clock_read+0x9/0x20 [ 327.051895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.057445] ? check_preemption_disabled+0x48/0x280 [ 327.062500] irq_exit+0x17f/0x1c0 [ 327.065956] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.070798] ? smp_reschedule_interrupt+0x109/0x650 [ 327.075820] ? smp_call_function_single_interrupt+0x650/0x650 [ 327.081704] ? interrupt_entry+0xb5/0xc0 [ 327.085767] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.090785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.095806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.100668] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.105685] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.110702] ? task_prio+0x50/0x50 [ 327.114244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.119802] ? check_preemption_disabled+0x48/0x280 [ 327.124841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.129708] apic_timer_interrupt+0xf/0x20 [ 327.133934] [ 327.136175] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 327.142074] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 327.160982] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 327.168701] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 327.175970] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 327.183245] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 327.190538] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 327.197811] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 327.205114] ? save_stack+0xa9/0xd0 [ 327.208753] __kmalloc_node_track_caller+0x3c/0x70 [ 327.213688] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 327.218465] pskb_expand_head+0x230/0x10f0 [ 327.222716] ? memcpy+0x45/0x50 [ 327.226003] ? __copy_skb_header+0x350/0x6b0 [ 327.230416] ? skb_release_data+0x880/0x880 [ 327.234750] ? __alloc_skb+0x770/0x770 [ 327.238654] ? __lock_is_held+0xb5/0x140 [ 327.242723] ? kasan_check_write+0x14/0x20 [ 327.246969] ? __skb_clone+0x6c7/0xa00 [ 327.250865] ? __copy_skb_header+0x6b0/0x6b0 [ 327.255286] ? kmem_cache_alloc+0x33a/0x730 [ 327.259634] skb_ensure_writable+0x3dd/0x640 [ 327.264064] ? skb_checksum_setup+0xaa0/0xaa0 [ 327.268565] ? check_preemption_disabled+0x48/0x280 [ 327.273589] ? __this_cpu_preempt_check+0x1c/0x20 [ 327.278459] ? __bpf_redirect+0x54b/0xb20 [ 327.282634] bpf_clone_redirect+0x14a/0x490 [ 327.286968] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 327.291990] ? __sched_text_start+0x8/0x8 [ 327.296144] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 327.300753] ? retint_kernel+0x2d/0x2d [ 327.304641] ? trace_hardirqs_on_caller+0xc0/0x310 [ 327.309578] ? find_held_lock+0x36/0x1c0 [ 327.313649] ? lock_acquire+0x1ed/0x520 [ 327.317637] ? bpf_test_run+0x3cb/0x780 [ 327.321619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.327162] ? check_preemption_disabled+0x48/0x280 [ 327.332183] ? kasan_check_read+0x11/0x20 [ 327.336336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.341639] ? rcu_softirq_qs+0x20/0x20 [ 327.345635] ? preempt_schedule+0x4d/0x60 [ 327.349786] ? ___preempt_schedule+0x16/0x18 [ 327.354229] ? bpf_test_run+0x25d/0x780 [ 327.358218] ? netlink_diag_dump+0x2a0/0x2a0 [ 327.362632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.368185] ? bpf_test_init.isra.10+0x70/0x100 [ 327.372891] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 327.377659] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.382557] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.388111] ? fput+0x130/0x1a0 [ 327.391390] ? __bpf_prog_get+0x9b/0x290 [ 327.395479] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.400353] ? bpf_prog_test_run+0x130/0x1a0 [ 327.404767] ? __x64_sys_bpf+0x3d8/0x520 [ 327.408844] ? bpf_prog_get+0x20/0x20 [ 327.412681] ? do_syscall_64+0x1b9/0x820 [ 327.416743] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 327.422124] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.427056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.431903] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.436936] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 327.441954] ? prepare_exit_to_usermode+0x291/0x3b0 [ 327.446977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.451828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 327.457217] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 327.457223] warn_alloc_show_mem: 1 callbacks suppressed [ 327.457230] Mem-Info: [ 327.464506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.469875] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 327.469875] active_file:12 inactive_file:13 isolated_file:0 [ 327.469875] unevictable:0 dirty:0 writeback:0 unstable:0 [ 327.469875] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 327.469875] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 327.469875] free:13733 free_pcp:586 free_cma:0 [ 327.472249] Call Trace: [ 327.481654] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 327.514513] [ 327.517083] 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 [ 327.544505] dump_stack+0x244/0x39d [ 327.546629] lowmem_reserve[]: 0 2818 6321 6321 [ 327.572737] ? dump_stack_print_info.cold.1+0x20/0x20 [ 327.576339] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 327.580924] warn_alloc.cold.116+0xb7/0x1bd [ 327.586081] lowmem_reserve[]: 0 0 3503 3503 [ 327.613661] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.617970] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 327.622300] ? lock_downgrade+0x900/0x900 [ 327.627115] lowmem_reserve[]: 0 0 0 0 [ 327.656103] ? trace_hardirqs_off+0xb8/0x310 [ 327.660224] 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 [ 327.664075] ? trace_hardirqs_off+0xb8/0x310 [ 327.668466] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 327.681993] __alloc_pages_slowpath+0x26e8/0x2e10 [ 327.686375] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 327.701742] ? warn_alloc+0x120/0x120 [ 327.706546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 327.720408] ? print_usage_bug+0xc0/0xc0 [ 327.724190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 327.733011] ? warn_alloc+0x120/0x120 [ 327.737048] 269 total pagecache pages [ 327.745630] ? warn_alloc+0x120/0x120 [ 327.749436] 0 pages in swap cache [ 327.753240] ? print_usage_bug+0xc0/0xc0 [ 327.757036] Swap cache stats: add 0, delete 0, find 0/0 [ 327.760514] ? print_usage_bug+0xc0/0xc0 [ 327.764570] Free swap = 0kB [ 327.769925] ? __lock_acquire+0x62f/0x4c20 [ 327.773959] Total swap = 0kB [ 327.773966] 1965979 pages RAM [ 327.776987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.781211] 0 pages HighMem/MovableOnly [ 327.784223] ? should_fail+0x22d/0xd01 [ 327.787302] 342853 pages reserved [ 327.792832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.796781] 0 pages cma reserved [ 327.800663] ? __lock_acquire+0x62f/0x4c20 [ 327.804181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.809204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.812619] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.816777] ? __lock_acquire+0x62f/0x4c20 [ 327.823246] syz-executor0 cpuset=syz0 mems_allowed=0 [ 327.828344] ? should_fail+0x22d/0xd01 [ 327.852021] ? find_held_lock+0x36/0x1c0 [ 327.856106] ? mark_held_locks+0x130/0x130 [ 327.860344] ? mark_held_locks+0x130/0x130 [ 327.864575] ? zap_class+0x640/0x640 [ 327.868305] ? zap_class+0x640/0x640 [ 327.872022] ? print_usage_bug+0xc0/0xc0 [ 327.876081] ? do_raw_spin_unlock+0xa7/0x330 [ 327.880519] ? zap_class+0x640/0x640 [ 327.884236] ? print_usage_bug+0xc0/0xc0 [ 327.888305] ? wq_watchdog_touch+0x9c/0xfe [ 327.892560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.898126] ? check_preemption_disabled+0x48/0x280 [ 327.903165] ? __lock_is_held+0xb5/0x140 [ 327.907245] __alloc_pages_nodemask+0xa80/0xde0 [ 327.911915] ? zap_class+0x640/0x640 [ 327.915649] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 327.920683] ? find_held_lock+0x36/0x1c0 [ 327.924755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.929437] ? lock_downgrade+0x900/0x900 [ 327.933595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.939137] cache_grow_begin+0xa5/0x8c0 [ 327.943208] ? do_raw_spin_unlock+0xa7/0x330 [ 327.947644] fallback_alloc+0x204/0x2e0 [ 327.951622] ____cache_alloc_node+0x1c7/0x1e0 [ 327.956153] kmem_cache_alloc_node+0xe3/0x730 [ 327.960655] ? ipv6_get_ifaddr+0x42e/0x620 [ 327.964903] __alloc_skb+0x119/0x770 [ 327.968625] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.973910] ? netdev_alloc_frag+0x1f0/0x1f0 [ 327.978320] ? lock_downgrade+0x900/0x900 [ 327.982479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.988021] ? refcount_sub_and_test_checked+0x203/0x310 [ 327.993481] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.998945] ? addrconf_rs_timer+0x690/0x690 [ 328.003373] ndisc_alloc_skb+0x144/0x340 [ 328.007446] ndisc_send_rs+0x331/0x6e0 [ 328.011354] addrconf_rs_timer+0x314/0x690 [ 328.015597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.019844] call_timer_fn+0x272/0x920 [ 328.023732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.027972] ? process_timeout+0x40/0x40 [ 328.032041] ? mark_held_locks+0xc7/0x130 [ 328.036189] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.040682] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.045228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.049483] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.054069] ? trace_hardirqs_on+0xbd/0x310 [ 328.058389] ? kasan_check_read+0x11/0x20 [ 328.062538] ? __run_timers+0x7da/0xc70 [ 328.066530] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.071644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.075904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.080136] __run_timers+0x7e5/0xc70 [ 328.083975] ? timer_fixup_init+0x70/0x70 [ 328.088142] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.093158] ? zap_class+0x640/0x640 [ 328.096878] ? print_usage_bug+0xc0/0xc0 [ 328.100939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.106145] ? find_held_lock+0x36/0x1c0 [ 328.110211] ? zap_class+0x640/0x640 [ 328.113932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.119506] ? check_preemption_disabled+0x48/0x280 [ 328.124536] ? __lock_is_held+0xb5/0x140 [ 328.128598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.134135] ? check_preemption_disabled+0x48/0x280 [ 328.139160] run_timer_softirq+0x52/0xb0 [ 328.143225] ? rcu_read_lock_sched_held+0x14f/0x180 [ 328.148260] __do_softirq+0x308/0xb7e [ 328.152066] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 328.156576] ? lock_downgrade+0x900/0x900 [ 328.160743] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 328.165865] ? pvclock_read_flags+0x160/0x160 [ 328.170375] ? lapic_next_event+0x5a/0x90 [ 328.174531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.180093] ? kvm_clock_read+0x18/0x30 [ 328.184083] ? kvm_sched_clock_read+0x9/0x20 [ 328.188499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.194036] ? check_preemption_disabled+0x48/0x280 [ 328.199062] irq_exit+0x17f/0x1c0 [ 328.202521] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.207362] ? smp_reschedule_interrupt+0x109/0x650 [ 328.212382] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.218266] ? interrupt_entry+0xb5/0xc0 [ 328.222334] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.227350] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.232368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.237216] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.242244] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.247275] ? task_prio+0x50/0x50 [ 328.250819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.256363] ? check_preemption_disabled+0x48/0x280 [ 328.261386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.266242] apic_timer_interrupt+0xf/0x20 [ 328.270472] [ 328.272731] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 328.277960] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 328.296857] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 328.304564] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 328.311893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 328.319160] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 328.326437] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 328.333708] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 328.341009] retint_kernel+0x1b/0x2d [ 328.344724] RIP: 0010:dump_stack+0x358/0x39d [ 328.349145] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 328.368060] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 328.375766] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 328.383036] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 328.390306] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 328.397581] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 328.404850] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 328.412136] ? dump_stack+0x34f/0x39d [ 328.415986] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.421188] dump_header+0x27b/0xf72 [ 328.424912] ? mark_held_locks+0x130/0x130 [ 328.429166] ? pagefault_out_of_memory+0x197/0x197 [ 328.434116] ? __lock_acquire+0x62f/0x4c20 [ 328.438358] ? zap_class+0x640/0x640 [ 328.442078] ? percpu_ref_get_many+0x240/0x240 [ 328.446662] ? print_usage_bug+0xc0/0xc0 [ 328.450726] ? print_usage_bug+0xc0/0xc0 [ 328.454796] ? zap_class+0x640/0x640 [ 328.458539] ? print_usage_bug+0xc0/0xc0 [ 328.462602] ? print_usage_bug+0xc0/0xc0 [ 328.466672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.472229] ? find_held_lock+0x36/0x1c0 [ 328.476299] ? mark_held_locks+0xc7/0x130 [ 328.480500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.485603] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.490706] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 328.495290] ? trace_hardirqs_on+0xbd/0x310 [ 328.499614] ? kasan_check_read+0x11/0x20 [ 328.503765] ? ___ratelimit+0x3b4/0x672 [ 328.507745] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.512851] ? trace_hardirqs_on+0x310/0x310 [ 328.517261] ? lock_downgrade+0x900/0x900 [ 328.521414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.526532] ? ___ratelimit+0x3b9/0x672 [ 328.530525] ? idr_get_free+0xf70/0xf70 [ 328.534509] ? find_held_lock+0x36/0x1c0 [ 328.538583] oom_kill_process.cold.27+0x10/0x903 [ 328.543365] ? zap_class+0x640/0x640 [ 328.547083] ? check_preemption_disabled+0x48/0x280 [ 328.552135] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 328.557070] ? kasan_check_read+0x11/0x20 [ 328.561246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.566538] ? oom_evaluate_task+0x540/0x540 [ 328.570950] ? find_held_lock+0x36/0x1c0 [ 328.575040] ? out_of_memory+0x974/0x1430 [ 328.579191] ? lock_downgrade+0x900/0x900 [ 328.583453] ? check_preemption_disabled+0x48/0x280 [ 328.588523] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 328.593460] ? kasan_check_read+0x11/0x20 [ 328.597611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.602888] ? rcu_softirq_qs+0x20/0x20 [ 328.606864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.612401] ? oom_evaluate_task+0x302/0x540 [ 328.616825] out_of_memory+0xa84/0x1430 [ 328.620812] ? oom_killer_disable+0x3a0/0x3a0 [ 328.625339] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 328.630289] ? __ww_mutex_check_waiters+0x160/0x160 [ 328.635333] __alloc_pages_slowpath+0x2354/0x2e10 [ 328.640203] ? warn_alloc+0x120/0x120 [ 328.644012] ? warn_alloc+0x120/0x120 [ 328.647832] ? warn_alloc+0x120/0x120 [ 328.651631] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.656741] ? print_usage_bug+0xc0/0xc0 [ 328.660803] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 328.665388] ? print_usage_bug+0xc0/0xc0 [ 328.669520] ? print_usage_bug+0xc0/0xc0 [ 328.673584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.679124] ? should_fail+0x22d/0xd01 [ 328.683019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.688123] ? zap_class+0x640/0x640 [ 328.691905] ? __lock_is_held+0xb5/0x140 [ 328.695982] ? zap_class+0x640/0x640 [ 328.699700] ? lock_release+0xa00/0xa00 [ 328.703694] ? perf_trace_sched_process_exec+0x860/0x860 [ 328.709147] ? check_preemption_disabled+0x48/0x280 [ 328.714178] ? __might_sleep+0x95/0x190 [ 328.718160] __alloc_pages_nodemask+0xa80/0xde0 [ 328.722828] ? zap_class+0x640/0x640 [ 328.726559] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 328.731586] ? mark_held_locks+0xc7/0x130 [ 328.735757] ? cache_grow_begin+0x65/0x8c0 [ 328.739994] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 328.744590] ? trace_hardirqs_on+0xbd/0x310 [ 328.748918] ? fallback_alloc+0x204/0x2e0 [ 328.753072] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.758182] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 328.763723] cache_grow_begin+0xa5/0x8c0 [ 328.767786] ? do_raw_spin_unlock+0xa7/0x330 [ 328.772218] fallback_alloc+0x204/0x2e0 [ 328.776204] ____cache_alloc_node+0x1c7/0x1e0 [ 328.780719] kmem_cache_alloc_node+0xe3/0x730 [ 328.785226] __alloc_skb+0x119/0x770 [ 328.788943] ? netdev_alloc_frag+0x1f0/0x1f0 [ 328.793363] ? if_nlmsg_size+0x5d1/0xbb0 [ 328.797458] ? rtnetlink_put_metrics+0x690/0x690 [ 328.802243] ? sk_psock_stop_strp+0x120/0x120 [ 328.806752] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 328.811772] ? netif_tx_stop_all_queues+0xd9/0x110 [ 328.816724] rtmsg_ifinfo_build_skb+0x74/0x190 [ 328.821338] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 328.826185] rtmsg_ifinfo+0x8c/0xa0 [ 328.829834] dev_close_many+0x3be/0x860 [ 328.833822] ? dev_fill_metadata_dst+0x840/0x840 [ 328.838598] ? find_held_lock+0x36/0x1c0 [ 328.842674] ? __queue_work+0x671/0x1440 [ 328.846738] ? lock_downgrade+0x900/0x900 [ 328.850891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.856426] ? rtnl_is_locked+0xb5/0xf0 [ 328.860423] ? rtnl_trylock+0x20/0x20 [ 328.864259] ? do_raw_spin_unlock+0xa7/0x330 [ 328.868676] ? do_raw_spin_trylock+0x270/0x270 [ 328.873294] rollback_registered_many+0x543/0x1250 [ 328.878228] ? generic_xdp_install+0x5a0/0x5a0 [ 328.882818] ? flush_rcu_work+0x90/0x90 [ 328.886794] ? zap_class+0x640/0x640 [ 328.890511] ? print_usage_bug+0xc0/0xc0 [ 328.894591] ? print_usage_bug+0xc0/0xc0 [ 328.898660] ? zap_class+0x640/0x640 [ 328.902380] ? print_usage_bug+0xc0/0xc0 [ 328.906452] ? find_held_lock+0x36/0x1c0 [ 328.910542] ? mark_held_locks+0xc7/0x130 [ 328.914709] rollback_registered+0x1e9/0x420 [ 328.919116] ? lockdep_hardirqs_on+0x321/0x5b0 [ 328.923697] ? rollback_registered_many+0x1250/0x1250 [ 328.928882] ? trace_hardirqs_on+0xbd/0x310 [ 328.933204] ? linkwatch_schedule_work+0x150/0x170 [ 328.938145] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.943254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.948790] ? rtnl_is_locked+0xb5/0xf0 [ 328.952782] ? rtnl_trylock+0x20/0x20 [ 328.956587] ? queue_delayed_work_on+0x130/0x1f0 [ 328.961348] unregister_netdevice_queue+0x321/0x5e0 [ 328.966373] ? rollback_registered+0x420/0x420 [ 328.970967] ? linkwatch_schedule_work+0x170/0x170 [ 328.975901] ? tun_setup+0x2d0/0x2d0 [ 328.979615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.985170] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 328.990537] ? __tun_detach+0x6ba/0x15c0 [ 328.994609] __tun_detach+0x11b8/0x15c0 [ 328.998586] ? __call_rcu.constprop.55+0x3ea/0x950 [ 329.003529] ? __call_rcu.constprop.55+0x3ea/0x950 [ 329.008486] ? tun_attach+0x1900/0x1900 [ 329.012479] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.017589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.023149] ? check_preemption_disabled+0x48/0x280 [ 329.028208] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 329.032800] ? zap_class+0x640/0x640 [ 329.036521] ? fsnotify+0x4e5/0xf20 [ 329.040153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.045693] ? locks_remove_file+0x3c6/0x5c0 [ 329.050108] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 329.055648] ? ima_file_free+0x132/0x650 [ 329.059718] ? __lock_is_held+0xb5/0x140 [ 329.063809] ? __tun_detach+0x15c0/0x15c0 [ 329.067968] ? __tun_detach+0x15c0/0x15c0 [ 329.072136] tun_chr_close+0xe3/0x180 [ 329.075958] __fput+0x385/0xa30 [ 329.079250] ? get_max_files+0x20/0x20 [ 329.083158] ? perf_trace_sched_process_exec+0x860/0x860 [ 329.088615] ____fput+0x15/0x20 [ 329.091904] task_work_run+0x1e8/0x2a0 [ 329.095827] ? task_work_cancel+0x240/0x240 [ 329.100154] ? switch_task_namespaces+0xb8/0xd0 [ 329.104851] do_exit+0x1ad6/0x26d0 [ 329.108441] ? mm_update_next_owner+0x990/0x990 [ 329.113173] ? print_usage_bug+0xc0/0xc0 [ 329.117252] ? find_held_lock+0x36/0x1c0 [ 329.121325] ? mark_held_locks+0x130/0x130 [ 329.125563] ? __lock_acquire+0x62f/0x4c20 [ 329.129795] ? pipe_wait+0x266/0x2c0 [ 329.133516] ? lock_release+0xa00/0xa00 [ 329.137513] ? mark_held_locks+0x130/0x130 [ 329.141761] ? __mutex_lock+0x85e/0x16f0 [ 329.145830] ? __switch_to_asm+0x40/0x70 [ 329.149903] ? pipe_wait+0x266/0x2c0 [ 329.153618] ? __switch_to_asm+0x34/0x70 [ 329.157679] ? __switch_to_asm+0x40/0x70 [ 329.161743] ? mutex_trylock+0x2b0/0x2b0 [ 329.165814] ? zap_class+0x640/0x640 [ 329.169546] ? zap_class+0x640/0x640 [ 329.173275] ? find_held_lock+0x36/0x1c0 [ 329.177345] ? memset+0x31/0x40 [ 329.180646] ? find_held_lock+0x36/0x1c0 [ 329.184734] ? get_signal+0x95b/0x1980 [ 329.188623] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.193117] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.197621] do_group_exit+0x177/0x440 [ 329.201516] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.206636] ? __ia32_sys_exit+0x50/0x50 [ 329.210724] get_signal+0x8b0/0x1980 [ 329.214477] ? ptrace_notify+0x130/0x130 [ 329.218548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.224091] ? pipe_read+0x702/0x940 [ 329.227806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.233359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.238897] ? __vfs_read+0x11f/0x9b0 [ 329.242707] do_signal+0x9c/0x21c0 [ 329.246249] ? fsnotify+0xf20/0xf20 [ 329.249913] ? setup_sigcontext+0x7d0/0x7d0 [ 329.254240] ? exit_to_usermode_loop+0x8c/0x380 [ 329.258926] ? exit_to_usermode_loop+0x8c/0x380 [ 329.263614] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 329.268217] ? trace_hardirqs_on+0xbd/0x310 [ 329.272544] ? do_syscall_64+0x6be/0x820 [ 329.276626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.282203] exit_to_usermode_loop+0x2e5/0x380 [ 329.286820] ? __bpf_trace_sys_exit+0x30/0x30 [ 329.291354] do_syscall_64+0x6be/0x820 [ 329.295239] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 329.300604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.305547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.310392] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.315414] ? prepare_exit_to_usermode+0x291/0x3b0 [ 329.320451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.325316] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.330502] RIP: 0033:0x410fa0 [ 329.333710] Code: Bad RIP value. [ 329.337070] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 329.344778] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 329.352045] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 329.359331] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 329.366598] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 329.373877] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 329.381181] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 329.381211] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 329.388559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.394783] rcu: (detected by 1, t=10633 jiffies, g=22005, q=4) [ 329.404124] Call Trace: [ 329.410276] rcu: All QSes seen, last rcu_preempt kthread activity 10486 (4294970089-4294959603), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 329.412836] [ 329.425500] syz-executor5 R running task 6872 6171 1 0x8000000e [ 329.427661] dump_stack+0x244/0x39d [ 329.434823] Call Trace: [ 329.438466] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.441021] [ 329.446209] warn_alloc.cold.116+0xb7/0x1bd [ 329.448336] sched_show_task.cold.84+0x2b6/0x30a [ 329.452652] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.457384] ? can_nice.part.74+0x20/0x20 [ 329.462238] ? lock_downgrade+0x900/0x900 [ 329.466380] ? vprintk_default+0x28/0x30 [ 329.470514] ? trace_hardirqs_off+0xb8/0x310 [ 329.474597] ? vprintk_func+0x85/0x181 [ 329.479015] ? trace_hardirqs_off+0xb8/0x310 [ 329.482892] ? vprintk_func+0x85/0x181 [ 329.487288] __alloc_pages_slowpath+0x26e8/0x2e10 [ 329.491153] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 329.496015] ? warn_alloc+0x120/0x120 [ 329.500746] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 329.504529] ? print_usage_bug+0xc0/0xc0 [ 329.509282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.513337] ? warn_alloc+0x120/0x120 [ 329.518864] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 329.522642] ? warn_alloc+0x120/0x120 [ 329.527910] ? print_usage_bug+0xc0/0xc0 [ 329.531696] ? print_usage_bug+0xc0/0xc0 [ 329.535742] ? rcu_qs+0x110/0x110 [ 329.539783] ? print_usage_bug+0xc0/0xc0 [ 329.543229] ? zap_class+0x640/0x640 [ 329.547263] ? __lock_acquire+0x62f/0x4c20 [ 329.550963] ? print_usage_bug+0xc0/0xc0 [ 329.555179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.559238] ? kasan_check_read+0x11/0x20 [ 329.564781] ? should_fail+0x22d/0xd01 [ 329.568945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.572813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.578346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.583461] ? __lock_acquire+0x62f/0x4c20 [ 329.588983] ? do_trace_rcu_torture_read+0x10/0x10 [ 329.593201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.598121] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 329.603204] ? __lock_acquire+0x62f/0x4c20 [ 329.608467] ? __lock_is_held+0xb5/0x140 [ 329.608482] ? __rcu_read_lock+0x50/0x50 [ 329.612703] ? should_fail+0x22d/0xd01 [ 329.616750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.620796] ? find_held_lock+0x36/0x1c0 [ 329.624678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.630219] ? mark_held_locks+0x130/0x130 [ 329.634263] ? check_preemption_disabled+0x48/0x280 [ 329.639790] ? mark_held_locks+0x130/0x130 [ 329.644025] rcu_check_callbacks+0xfd7/0x13f0 [ 329.649024] ? zap_class+0x640/0x640 [ 329.653241] ? rcutree_dead_cpu+0x10/0x10 [ 329.657737] ? zap_class+0x640/0x640 [ 329.661440] ? lock_downgrade+0x900/0x900 [ 329.665577] ? print_usage_bug+0xc0/0xc0 [ 329.669291] ? lock_release+0x940/0xa00 [ 329.673448] ? do_raw_spin_unlock+0xa7/0x330 [ 329.677497] ? zap_class+0x640/0x640 [ 329.681459] ? zap_class+0x640/0x640 [ 329.685845] ? mark_held_locks+0x130/0x130 [ 329.689543] ? print_usage_bug+0xc0/0xc0 [ 329.693256] ? zap_class+0x640/0x640 [ 329.697504] ? wq_watchdog_touch+0x9c/0xfe [ 329.701552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.705248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.709488] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 329.715009] ? check_preemption_disabled+0x48/0x280 [ 329.720532] ? kvm_set_tsc_khz+0x540/0x540 [ 329.725103] ? __lock_is_held+0xb5/0x140 [ 329.730099] ? warn_alloc.cold.116+0xd1/0x1bd [ 329.734318] __alloc_pages_nodemask+0xa80/0xde0 [ 329.738365] ? find_held_lock+0x36/0x1c0 [ 329.742854] ? zap_class+0x640/0x640 [ 329.747509] ? zap_class+0x640/0x640 [ 329.751557] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 329.755260] ? timekeeping_advance+0x3cc/0xc00 [ 329.758965] ? find_held_lock+0x36/0x1c0 [ 329.763970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.768556] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.772595] ? check_preemption_disabled+0x48/0x280 [ 329.778115] ? lock_downgrade+0x900/0x900 [ 329.782773] ? trace_hardirqs_off+0xb8/0x310 [ 329.787776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.791908] ? __lock_is_held+0xb5/0x140 [ 329.796304] cache_grow_begin+0xa5/0x8c0 [ 329.801864] ? trace_hardirqs_on+0x310/0x310 [ 329.805908] ? do_raw_spin_unlock+0xa7/0x330 [ 329.809959] ? check_preemption_disabled+0x48/0x280 [ 329.814348] fallback_alloc+0x204/0x2e0 [ 329.818744] ? raise_softirq+0x199/0x420 [ 329.823789] ____cache_alloc_node+0x1c7/0x1e0 [ 329.827751] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 329.831803] kmem_cache_alloc_node+0xe3/0x730 [ 329.836286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.840937] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.845419] ? check_preemption_disabled+0x48/0x280 [ 329.850963] __alloc_skb+0x119/0x770 [ 329.855183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.860198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.863895] ? hrtimer_run_queues+0x9a/0x400 [ 329.869417] ? netdev_alloc_frag+0x1f0/0x1f0 [ 329.874706] ? run_local_timers+0x19b/0x230 [ 329.879118] ? lock_downgrade+0x900/0x900 [ 329.883526] ? timer_clear_idle+0x90/0x90 [ 329.887838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.891986] ? debug_smp_processor_id+0x1c/0x20 [ 329.896115] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.901636] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 329.906297] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.911738] ? account_process_tick+0x282/0x350 [ 329.917688] ? addrconf_rs_timer+0x690/0x690 [ 329.923138] update_process_times+0x2d/0x70 [ 329.927798] ndisc_alloc_skb+0x144/0x340 [ 329.932189] tick_sched_handle+0x9f/0x180 [ 329.936494] ndisc_send_rs+0x331/0x6e0 [ 329.940543] tick_sched_timer+0x45/0x130 [ 329.944675] addrconf_rs_timer+0x314/0x690 [ 329.948545] __hrtimer_run_queues+0x41c/0x10d0 [ 329.952596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.956817] ? tick_sched_do_timer+0x1a0/0x1a0 [ 329.961386] call_timer_fn+0x272/0x920 [ 329.965609] ? hrtimer_start_range_ns+0xe00/0xe00 [ 329.970176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.974054] ? pvclock_read_flags+0x160/0x160 [ 329.978874] ? process_timeout+0x40/0x40 [ 329.983098] ? trace_hardirqs_on+0x310/0x310 [ 329.987581] ? __run_timers+0x7da/0xc70 [ 329.991629] ? zap_class+0x640/0x640 [ 329.996023] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.999988] ? kvm_clock_read+0x18/0x30 [ 330.003682] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.008165] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 330.012127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.016628] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 330.021634] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.025856] ? do_timer+0x50/0x50 [ 330.031232] ? trace_hardirqs_on+0xbd/0x310 [ 330.035803] ? rwlock_bug.part.2+0x90/0x90 [ 330.039258] ? kasan_check_read+0x11/0x20 [ 330.043563] ? trace_hardirqs_on+0x310/0x310 [ 330.047780] ? __run_timers+0x7da/0xc70 [ 330.051913] ? rcu_softirq_qs+0x20/0x20 [ 330.056307] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.060276] hrtimer_interrupt+0x313/0x780 [ 330.064232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.069336] smp_apic_timer_interrupt+0x1a1/0x760 [ 330.073546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.077767] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.082606] __run_timers+0x7e5/0xc70 [ 330.086831] ? interrupt_entry+0xb5/0xc0 [ 330.092706] ? timer_fixup_init+0x70/0x70 [ 330.096491] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.100537] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.104668] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.109669] ? zap_class+0x640/0x640 [ 330.114686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.119688] ? enqueue_hrtimer+0x1a5/0x560 [ 330.123389] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.128216] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.132451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.137464] ? find_held_lock+0x36/0x1c0 [ 330.142635] apic_timer_interrupt+0xf/0x20 [ 330.147473] ? zap_class+0x640/0x640 [ 330.151516] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 330.155734] ? pvclock_read_flags+0x160/0x160 [ 330.159428] Code: 3f 7e 0f 85 32 ff ff ff e8 05 1c 3e ff e9 28 ff ff ff e8 6c 51 c3 ff 48 83 3d 84 9a 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 92 b7 [ 330.164793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.169284] RSP: 0018:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.188194] ? check_preemption_disabled+0x48/0x280 [ 330.193706] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100330c196e [ 330.201404] ? __lock_is_held+0xb5/0x140 [ 330.206408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 330.213671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.217715] RBP: ffff8801daf074c0 R08: ffff88019860cb70 R09: 0000000000000002 [ 330.224991] ? check_preemption_disabled+0x48/0x280 [ 330.230532] R10: 0000000000000000 R11: ffff88019860c280 R12: ffff8801d9beec00 [ 330.237807] run_timer_softirq+0x52/0xb0 [ 330.242817] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 330.250080] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.254127] ? apic_timer_interrupt+0xa/0x20 [ 330.261389] __do_softirq+0x308/0xb7e [ 330.266421] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.270800] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 330.274594] __alloc_skb+0x119/0x770 [ 330.278805] ? lock_downgrade+0x900/0x900 [ 330.278825] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.283302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.287001] ? pvclock_read_flags+0x160/0x160 [ 330.291169] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.296259] ? lapic_next_event+0x5a/0x90 [ 330.301518] ? lock_downgrade+0x900/0x900 [ 330.306009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.310403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.314534] ? kvm_clock_read+0x18/0x30 [ 330.318671] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.324190] ? kvm_sched_clock_read+0x9/0x20 [ 330.329718] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.333681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.339114] ? addrconf_rs_timer+0x690/0x690 [ 330.343510] ? check_preemption_disabled+0x48/0x280 [ 330.348970] ndisc_alloc_skb+0x144/0x340 [ 330.354487] irq_exit+0x17f/0x1c0 [ 330.358877] ndisc_send_rs+0x331/0x6e0 [ 330.363892] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.367938] addrconf_rs_timer+0x314/0x690 [ 330.371375] ? smp_reschedule_interrupt+0x109/0x650 [ 330.375253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.380095] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.384331] call_timer_fn+0x272/0x920 [ 330.389333] ? interrupt_entry+0xb5/0xc0 [ 330.393554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.399448] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.403318] ? process_timeout+0x40/0x40 [ 330.407364] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.411589] ? mark_held_locks+0xc7/0x130 [ 330.416587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.420631] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.425648] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.429783] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.434615] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.439092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.444104] ? task_prio+0x50/0x50 [ 330.448588] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.453592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.457813] ? trace_hardirqs_on+0xbd/0x310 [ 330.461339] ? check_preemption_disabled+0x48/0x280 [ 330.465909] ? kasan_check_read+0x11/0x20 [ 330.471450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.475756] ? __run_timers+0x7da/0xc70 [ 330.480774] apic_timer_interrupt+0xf/0x20 [ 330.484938] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.489756] [ 330.493725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.497946] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 330.503034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.505258] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 330.509477] __run_timers+0x7e5/0xc70 [ 330.515343] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.519588] ? timer_fixup_init+0x70/0x70 [ 330.538500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 330.542293] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.550077] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 330.554227] ? zap_class+0x640/0x640 [ 330.561504] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 330.566519] ? print_usage_bug+0xc0/0xc0 [ 330.573768] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 330.577481] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.585206] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 330.585239] ? save_stack+0xa9/0xd0 [ 330.589276] ? find_held_lock+0x36/0x1c0 [ 330.596546] __kmalloc_node_track_caller+0x3c/0x70 [ 330.601712] ? zap_class+0x640/0x640 [ 330.608980] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 330.612603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.616652] pskb_expand_head+0x230/0x10f0 [ 330.621565] ? check_preemption_disabled+0x48/0x280 [ 330.625266] ? memcpy+0x45/0x50 [ 330.630036] ? __lock_is_held+0xb5/0x140 [ 330.635580] ? __copy_skb_header+0x350/0x6b0 [ 330.639799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.644813] ? skb_release_data+0x880/0x880 [ 330.648077] ? check_preemption_disabled+0x48/0x280 [ 330.652119] ? __alloc_skb+0x770/0x770 [ 330.656524] run_timer_softirq+0x52/0xb0 [ 330.662045] ? __lock_is_held+0xb5/0x140 [ 330.666347] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.671350] ? kasan_check_write+0x14/0x20 [ 330.675220] __do_softirq+0x308/0xb7e [ 330.679267] ? __skb_clone+0x6c7/0xa00 [ 330.683327] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 330.688324] ? __copy_skb_header+0x6b0/0x6b0 [ 330.692541] ? lock_downgrade+0x900/0x900 [ 330.696352] ? kmem_cache_alloc+0x33a/0x730 [ 330.700227] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.704730] skb_ensure_writable+0x3dd/0x640 [ 330.709121] ? pvclock_read_flags+0x160/0x160 [ 330.713250] ? skb_checksum_setup+0xaa0/0xaa0 [ 330.718101] ? lapic_next_event+0x5a/0x90 [ 330.723188] ? check_preemption_disabled+0x48/0x280 [ 330.727576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.732058] ? __this_cpu_preempt_check+0x1c/0x20 [ 330.736535] ? kvm_clock_read+0x18/0x30 [ 330.740696] ? __bpf_redirect+0x54b/0xb20 [ 330.745728] ? kvm_sched_clock_read+0x9/0x20 [ 330.751264] bpf_clone_redirect+0x14a/0x490 [ 330.756087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.760050] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 330.764180] ? check_preemption_disabled+0x48/0x280 [ 330.768587] ? __sched_text_start+0x8/0x8 [ 330.772895] irq_exit+0x17f/0x1c0 [ 330.778409] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 330.783411] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.788407] ? retint_kernel+0x2d/0x2d [ 330.792540] ? smp_reschedule_interrupt+0x109/0x650 [ 330.795981] ? trace_hardirqs_on_caller+0xc0/0x310 [ 330.800545] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.805370] ? find_held_lock+0x36/0x1c0 [ 330.809237] ? interrupt_entry+0xb5/0xc0 [ 330.814240] ? lock_acquire+0x1ed/0x520 [ 330.819148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.825014] ? bpf_test_run+0x3cb/0x780 [ 330.829058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.833104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.837060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.842060] ? check_preemption_disabled+0x48/0x280 [ 330.846016] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.851014] ? kasan_check_read+0x11/0x20 [ 330.856534] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.861359] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.866359] ? task_prio+0x50/0x50 [ 330.871383] ? rcu_softirq_qs+0x20/0x20 [ 330.875522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.880524] ? preempt_schedule+0x4d/0x60 [ 330.885783] ? check_preemption_disabled+0x48/0x280 [ 330.889303] ? ___preempt_schedule+0x16/0x18 [ 330.893260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.898778] ? bpf_test_run+0x25d/0x780 [ 330.902908] apic_timer_interrupt+0xf/0x20 [ 330.907938] ? netlink_diag_dump+0x2a0/0x2a0 [ 330.912312] [ 330.917144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.921155] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 330.925370] ? bpf_test_init.isra.10+0x70/0x100 [ 330.929763] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 330.931986] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 330.937497] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.942681] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 330.947323] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 330.966217] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.970962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 330.978656] ? fput+0x130/0x1a0 [ 330.983479] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 330.990744] ? __bpf_prog_get+0x9b/0x290 [ 330.996257] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 330.996270] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 331.003535] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.006815] retint_kernel+0x1b/0x2d [ 331.014054] ? bpf_prog_test_run+0x130/0x1a0 [ 331.018103] RIP: 0010:dump_stack+0x358/0x39d [ 331.025356] ? __x64_sys_bpf+0x3d8/0x520 [ 331.032611] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 331.037465] ? bpf_prog_get+0x20/0x20 [ 331.041155] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 331.045567] ? do_syscall_64+0x1b9/0x820 [ 331.049940] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 331.053989] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.072873] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 331.076669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.084357] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 331.088406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.095657] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 331.101007] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.108259] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 331.113188] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.120456] ? dump_stack+0x34f/0x39d [ 331.125296] ? prepare_exit_to_usermode+0x291/0x3b0 [ 331.132559] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.137572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.144846] dump_header+0x27b/0xf72 [ 331.149843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.153631] ? mark_held_locks+0x130/0x130 [ 331.158634] warn_alloc_show_mem: 1 callbacks suppressed [ 331.158639] Mem-Info: [ 331.163804] ? pagefault_out_of_memory+0x197/0x197 [ 331.168644] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 331.168644] active_file:12 inactive_file:13 isolated_file:0 [ 331.168644] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.168644] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 331.168644] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 331.168644] free:13733 free_pcp:586 free_cma:0 [ 331.172331] ? __lock_acquire+0x62f/0x4c20 [ 331.177706] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 331.181914] ? zap_class+0x640/0x640 [ 331.187271] 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 [ 331.189696] ? percpu_ref_get_many+0x240/0x240 [ 331.194594] lowmem_reserve[]: 0 2818 6321 6321 [ 331.227528] ? print_usage_bug+0xc0/0xc0 [ 331.231741] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 331.259148] ? print_usage_bug+0xc0/0xc0 [ 331.262835] lowmem_reserve[]: 0 0 3503 3503 [ 331.288937] ? zap_class+0x640/0x640 [ 331.293494] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 331.298068] ? print_usage_bug+0xc0/0xc0 [ 331.302095] lowmem_reserve[]: 0 0 0 0 [ 331.329707] ? print_usage_bug+0xc0/0xc0 [ 331.333744] 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 [ 331.338054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.341738] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 331.370721] ? find_held_lock+0x36/0x1c0 [ 331.374758] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 331.378558] ? mark_held_locks+0xc7/0x130 [ 331.382608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 331.396119] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.401639] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 331.416983] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.421024] 269 total pagecache pages [ 331.434902] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 331.439031] 0 pages in swap cache [ 331.447854] ? trace_hardirqs_on+0xbd/0x310 [ 331.452949] Swap cache stats: add 0, delete 0, find 0/0 [ 331.461549] ? kasan_check_read+0x11/0x20 [ 331.466627] Free swap = 0kB [ 331.470441] ? ___ratelimit+0x3b4/0x672 [ 331.475005] Total swap = 0kB [ 331.478481] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.482782] 1965979 pages RAM [ 331.488136] ? trace_hardirqs_on+0x310/0x310 [ 331.492277] 0 pages HighMem/MovableOnly [ 331.495305] ? lock_downgrade+0x900/0x900 [ 331.499259] 342853 pages reserved [ 331.502274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.507354] 0 pages cma reserved [ 331.510498] ? ___ratelimit+0x3b9/0x672 [ 331.514941] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.518846] ? idr_get_free+0xf70/0xf70 [ 331.523080] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.526443] ? find_held_lock+0x36/0x1c0 [ 331.531526] syz-executor0 cpuset=syz0 mems_allowed=0 [ 331.534891] oom_kill_process.cold.27+0x10/0x903 [ 331.538871] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 331.545345] ? zap_class+0x640/0x640 [ 331.549302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.559781] ? check_preemption_disabled+0x48/0x280 [ 331.563820] Call Trace: [ 331.568928] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.573665] [ 331.581019] ? kasan_check_read+0x11/0x20 [ 331.584733] dump_stack+0x244/0x39d [ 331.594160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.599179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.601747] ? oom_evaluate_task+0x540/0x540 [ 331.606668] warn_alloc.cold.116+0xb7/0x1bd [ 331.608797] ? find_held_lock+0x36/0x1c0 [ 331.612929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.616546] ? out_of_memory+0x974/0x1430 [ 331.621809] ? lock_downgrade+0x900/0x900 [ 331.626999] ? lock_downgrade+0x900/0x900 [ 331.631395] ? trace_hardirqs_off+0xb8/0x310 [ 331.635718] ? check_preemption_disabled+0x48/0x280 [ 331.639762] ? trace_hardirqs_off+0xb8/0x310 [ 331.644588] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.648749] __alloc_pages_slowpath+0x26e8/0x2e10 [ 331.652890] ? kasan_check_read+0x11/0x20 [ 331.657042] ? warn_alloc+0x120/0x120 [ 331.661424] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.666482] ? print_usage_bug+0xc0/0xc0 [ 331.670892] ? rcu_softirq_qs+0x20/0x20 [ 331.675806] ? warn_alloc+0x120/0x120 [ 331.680631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.684758] ? warn_alloc+0x120/0x120 [ 331.688537] ? oom_evaluate_task+0x302/0x540 [ 331.693798] ? print_usage_bug+0xc0/0xc0 [ 331.697845] out_of_memory+0xa84/0x1430 [ 331.701841] ? kvm_clock_read+0x18/0x30 [ 331.705626] ? oom_killer_disable+0x3a0/0x3a0 [ 331.711143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 331.714928] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 331.719318] ? print_usage_bug+0xc0/0xc0 [ 331.723365] ? __ww_mutex_check_waiters+0x160/0x160 [ 331.727334] ? __lock_acquire+0x62f/0x4c20 [ 331.731299] __alloc_pages_slowpath+0x2354/0x2e10 [ 331.735773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.740799] ? warn_alloc+0x120/0x120 [ 331.745702] ? should_fail+0x22d/0xd01 [ 331.749754] ? warn_alloc+0x120/0x120 [ 331.754752] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.758975] ? warn_alloc+0x120/0x120 [ 331.763801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.769318] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.773103] ? __lock_acquire+0x62f/0x4c20 [ 331.776977] ? print_usage_bug+0xc0/0xc0 [ 331.780766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.786024] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 331.789806] ? __lock_acquire+0x62f/0x4c20 [ 331.794891] ? print_usage_bug+0xc0/0xc0 [ 331.799980] ? should_fail+0x22d/0xd01 [ 331.804200] ? print_usage_bug+0xc0/0xc0 [ 331.808244] ? rcu_irq_exit+0x1a2/0x390 [ 331.813334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.817907] ? mark_held_locks+0x130/0x130 [ 331.822125] ? should_fail+0x22d/0xd01 [ 331.826170] ? mark_held_locks+0x130/0x130 [ 331.830046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.834094] ? mark_held_locks+0xc7/0x130 [ 331.838052] ? zap_class+0x640/0x640 [ 331.843589] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 331.847830] ? __lock_is_held+0xb5/0x140 [ 331.851686] ? zap_class+0x640/0x640 [ 331.855907] ? zap_class+0x640/0x640 [ 331.860990] ? print_usage_bug+0xc0/0xc0 [ 331.865138] ? lock_release+0xa00/0xa00 [ 331.868856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.873855] ? perf_trace_sched_process_exec+0x860/0x860 [ 331.877902] ? check_preemption_disabled+0x48/0x280 [ 331.881604] ? check_preemption_disabled+0x48/0x280 [ 331.885308] ? __lock_is_held+0xb5/0x140 [ 331.889372] ? __might_sleep+0x95/0x190 [ 331.893330] __alloc_pages_nodemask+0xa80/0xde0 [ 331.898852] __alloc_pages_nodemask+0xa80/0xde0 [ 331.904284] ? zap_class+0x640/0x640 [ 331.909284] ? zap_class+0x640/0x640 [ 331.914285] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 331.918348] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 331.922315] ? find_held_lock+0x36/0x1c0 [ 331.926976] ? mark_held_locks+0xc7/0x130 [ 331.931623] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.935317] ? cache_grow_begin+0x65/0x8c0 [ 331.939016] ? lock_downgrade+0x900/0x900 [ 331.944020] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 331.949023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.953077] ? trace_hardirqs_on+0xbd/0x310 [ 331.957208] cache_grow_begin+0xa5/0x8c0 [ 331.961861] ? fallback_alloc+0x204/0x2e0 [ 331.966080] ? do_raw_spin_unlock+0xa7/0x330 [ 331.970229] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.974812] fallback_alloc+0x204/0x2e0 [ 331.980330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.984640] ____cache_alloc_node+0x1c7/0x1e0 [ 331.988686] cache_grow_begin+0xa5/0x8c0 [ 331.992821] kmem_cache_alloc_node+0xe3/0x730 [ 331.997215] ? do_raw_spin_unlock+0xa7/0x330 [ 332.002338] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.006299] fallback_alloc+0x204/0x2e0 [ 332.011827] __alloc_skb+0x119/0x770 [ 332.016319] ____cache_alloc_node+0x1c7/0x1e0 [ 332.020379] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.024871] kmem_cache_alloc_node+0xe3/0x730 [ 332.029265] ? netdev_alloc_frag+0x1f0/0x1f0 [ 332.033491] __alloc_skb+0x119/0x770 [ 332.037458] ? lock_downgrade+0x900/0x900 [ 332.041168] ? netdev_alloc_frag+0x1f0/0x1f0 [ 332.045652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.050918] ? if_nlmsg_size+0x5d1/0xbb0 [ 332.055399] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.059792] ? rtnetlink_put_metrics+0x690/0x690 [ 332.063502] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.067638] ? sk_psock_stop_strp+0x120/0x120 [ 332.072025] ? addrconf_rs_timer+0x690/0x690 [ 332.077562] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 332.081624] ndisc_alloc_skb+0x144/0x340 [ 332.087068] ? netif_tx_stop_all_queues+0xd9/0x110 [ 332.091808] ndisc_send_rs+0x331/0x6e0 [ 332.097244] rtmsg_ifinfo_build_skb+0x74/0x190 [ 332.101725] addrconf_rs_timer+0x314/0x690 [ 332.106121] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 332.111123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.115181] rtmsg_ifinfo+0x8c/0xa0 [ 332.120114] call_timer_fn+0x272/0x920 [ 332.124063] dev_close_many+0x3be/0x860 [ 332.128659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.132903] ? dev_fill_metadata_dst+0x840/0x840 [ 332.137728] ? process_timeout+0x40/0x40 [ 332.141947] ? find_held_lock+0x36/0x1c0 [ 332.145563] ? __run_timers+0x7da/0xc70 [ 332.149440] ? __queue_work+0x671/0x1440 [ 332.153408] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.157714] ? lock_downgrade+0x900/0x900 [ 332.162482] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.166530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.170589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.174547] ? rtnl_is_locked+0xb5/0xf0 [ 332.178596] ? lockdep_hardirqs_on+0x296/0x5b0 [ 332.183076] ? rtnl_trylock+0x20/0x20 [ 332.187222] ? trace_hardirqs_on+0xbd/0x310 [ 332.191696] ? do_raw_spin_unlock+0xa7/0x330 [ 332.197216] ? kasan_check_read+0x11/0x20 [ 332.201443] ? do_raw_spin_trylock+0x270/0x270 [ 332.205420] ? __run_timers+0x7da/0xc70 [ 332.210001] rollback_registered_many+0x543/0x1250 [ 332.213791] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.218108] ? generic_xdp_install+0x5a0/0x5a0 [ 332.222498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.226632] ? flush_rcu_work+0x90/0x90 [ 332.231195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.235168] ? zap_class+0x640/0x640 [ 332.240079] __run_timers+0x7e5/0xc70 [ 332.245183] ? print_usage_bug+0xc0/0xc0 [ 332.249755] ? timer_fixup_init+0x70/0x70 [ 332.253976] ? print_usage_bug+0xc0/0xc0 [ 332.257937] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.262157] ? zap_class+0x640/0x640 [ 332.265855] ? zap_class+0x640/0x640 [ 332.269642] ? print_usage_bug+0xc0/0xc0 [ 332.273686] ? enqueue_hrtimer+0x1a5/0x560 [ 332.277835] ? find_held_lock+0x36/0x1c0 [ 332.281877] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 332.286882] ? mark_held_locks+0xc7/0x130 [ 332.290576] ? find_held_lock+0x36/0x1c0 [ 332.294268] rollback_registered+0x1e9/0x420 [ 332.298325] ? zap_class+0x640/0x640 [ 332.302567] ? lockdep_hardirqs_on+0x321/0x5b0 [ 332.306613] ? pvclock_read_flags+0x160/0x160 [ 332.311785] ? rollback_registered_many+0x1250/0x1250 [ 332.315933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.319980] ? trace_hardirqs_on+0xbd/0x310 [ 332.324375] ? check_preemption_disabled+0x48/0x280 [ 332.328081] ? linkwatch_schedule_work+0x150/0x170 [ 332.332647] ? __lock_is_held+0xb5/0x140 [ 332.337124] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.342298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.347817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.352136] ? check_preemption_disabled+0x48/0x280 [ 332.357131] ? rtnl_is_locked+0xb5/0xf0 [ 332.362050] run_timer_softirq+0x52/0xb0 [ 332.366090] ? rtnl_trylock+0x20/0x20 [ 332.371182] ? rcu_read_lock_sched_held+0x14f/0x180 [ 332.376729] ? queue_delayed_work_on+0x130/0x1f0 [ 332.382250] __do_softirq+0x308/0xb7e [ 332.387249] unregister_netdevice_queue+0x321/0x5e0 [ 332.391206] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 332.395250] ? rollback_registered+0x420/0x420 [ 332.399037] ? lock_downgrade+0x900/0x900 [ 332.404035] ? linkwatch_schedule_work+0x170/0x170 [ 332.408789] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 332.412603] ? tun_setup+0x2d0/0x2d0 [ 332.417604] ? pvclock_read_flags+0x160/0x160 [ 332.422084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.426650] ? lapic_next_event+0x5a/0x90 [ 332.430785] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 332.435714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.440797] ? __tun_detach+0x6ba/0x15c0 [ 332.444499] ? kvm_clock_read+0x18/0x30 [ 332.448984] __tun_detach+0x11b8/0x15c0 [ 332.454516] ? kvm_sched_clock_read+0x9/0x20 [ 332.458687] ? __call_rcu.constprop.55+0x3ea/0x950 [ 332.464040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.469580] ? __call_rcu.constprop.55+0x3ea/0x950 [ 332.473632] ? check_preemption_disabled+0x48/0x280 [ 332.477593] ? tun_attach+0x1900/0x1900 [ 332.481554] irq_exit+0x17f/0x1c0 [ 332.485948] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.490864] smp_apic_timer_interrupt+0x1cb/0x760 [ 332.496385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.501302] ? smp_reschedule_interrupt+0x109/0x650 [ 332.506303] ? check_preemption_disabled+0x48/0x280 [ 332.510264] ? smp_call_function_single_interrupt+0x650/0x650 [ 332.513702] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 332.518791] ? interrupt_entry+0xb5/0xc0 [ 332.523623] ? zap_class+0x640/0x640 [ 332.529162] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.534183] ? fsnotify+0x4e5/0xf20 [ 332.539203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.545074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.549656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.553719] ? locks_remove_file+0x3c6/0x5c0 [ 332.557422] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.562452] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 332.566071] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.571174] ? ima_file_free+0x132/0x650 [ 332.576702] ? task_prio+0x50/0x50 [ 332.581543] ? __lock_is_held+0xb5/0x140 [ 332.586405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.591412] ? __tun_detach+0x15c0/0x15c0 [ 332.596932] ? check_preemption_disabled+0x48/0x280 [ 332.601940] ? __tun_detach+0x15c0/0x15c0 [ 332.606000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.609525] tun_chr_close+0xe3/0x180 [ 332.613574] apic_timer_interrupt+0xf/0x20 [ 332.619110] __fput+0x385/0xa30 [ 332.623236] [ 332.628246] ? get_max_files+0x20/0x20 [ 332.632382] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 332.637206] ? perf_trace_sched_process_exec+0x860/0x860 [ 332.640990] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 332.645213] ____fput+0x15/0x20 [ 332.648472] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 332.650714] task_work_run+0x1e8/0x2a0 [ 332.654585] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 332.660484] ? task_work_cancel+0x240/0x240 [ 332.665919] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 332.684811] ? switch_task_namespaces+0xb8/0xd0 [ 332.688071] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 332.695780] do_exit+0x1ad6/0x26d0 [ 332.699655] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 332.706930] ? mm_update_next_owner+0x990/0x990 [ 332.711229] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 332.718978] ? print_usage_bug+0xc0/0xc0 [ 332.723648] ? save_stack+0xa9/0xd0 [ 332.730888] ? find_held_lock+0x36/0x1c0 [ 332.734417] __kmalloc_node_track_caller+0x3c/0x70 [ 332.741678] ? mark_held_locks+0x130/0x130 [ 332.746335] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 332.753597] ? __lock_acquire+0x62f/0x4c20 [ 332.757646] pskb_expand_head+0x230/0x10f0 [ 332.761253] ? pipe_wait+0x266/0x2c0 [ 332.765301] ? memcpy+0x45/0x50 [ 332.770216] ? lock_release+0xa00/0xa00 [ 332.774457] ? __copy_skb_header+0x350/0x6b0 [ 332.779198] ? mark_held_locks+0x130/0x130 [ 332.783410] ? skb_release_data+0x880/0x880 [ 332.787637] ? __mutex_lock+0x85e/0x16f0 [ 332.791331] ? __alloc_skb+0x770/0x770 [ 332.794595] ? __switch_to_asm+0x40/0x70 [ 332.798574] ? __lock_is_held+0xb5/0x140 [ 332.802979] ? pipe_wait+0x266/0x2c0 [ 332.807217] ? kasan_check_write+0x14/0x20 [ 332.811523] ? __switch_to_asm+0x34/0x70 [ 332.815569] ? __skb_clone+0x6c7/0xa00 [ 332.819447] ? __switch_to_asm+0x40/0x70 [ 332.823508] ? __copy_skb_header+0x6b0/0x6b0 [ 332.827575] ? mutex_trylock+0x2b0/0x2b0 [ 332.831272] ? kmem_cache_alloc+0x33a/0x730 [ 332.835494] ? zap_class+0x640/0x640 [ 332.839544] skb_ensure_writable+0x3dd/0x640 [ 332.843424] ? zap_class+0x640/0x640 [ 332.847492] ? skb_checksum_setup+0xaa0/0xaa0 [ 332.851886] ? find_held_lock+0x36/0x1c0 [ 332.855931] ? check_preemption_disabled+0x48/0x280 [ 332.860240] ? memset+0x31/0x40 [ 332.863938] ? __this_cpu_preempt_check+0x1c/0x20 [ 332.868332] ? find_held_lock+0x36/0x1c0 [ 332.872044] ? __bpf_redirect+0x54b/0xb20 [ 332.876532] ? get_signal+0x95b/0x1980 [ 332.880575] bpf_clone_redirect+0x14a/0x490 [ 332.885588] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.888870] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 332.893692] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.897747] ? __sched_text_start+0x8/0x8 [ 332.901879] do_group_exit+0x177/0x440 [ 332.905751] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 332.910061] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.914557] ? retint_kernel+0x2d/0x2d [ 332.919585] ? __ia32_sys_exit+0x50/0x50 [ 332.924062] ? trace_hardirqs_on_caller+0xc0/0x310 [ 332.928196] get_signal+0x8b0/0x1980 [ 332.932081] ? find_held_lock+0x36/0x1c0 [ 332.936653] ? ptrace_notify+0x130/0x130 [ 332.941740] ? lock_acquire+0x1ed/0x520 [ 332.945608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.949654] ? bpf_test_run+0x3cb/0x780 [ 332.954582] ? pipe_read+0x702/0x940 [ 332.958279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.962327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.966372] ? check_preemption_disabled+0x48/0x280 [ 332.970333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.975874] ? kasan_check_read+0x11/0x20 [ 332.979845] ? __vfs_read+0x11f/0x9b0 [ 332.983560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.989084] do_signal+0x9c/0x21c0 [ 332.994608] ? rcu_softirq_qs+0x20/0x20 [ 332.999608] ? fsnotify+0xf20/0xf20 [ 333.005141] ? preempt_schedule+0x4d/0x60 [ 333.009272] ? setup_sigcontext+0x7d0/0x7d0 [ 333.013052] ? ___preempt_schedule+0x16/0x18 [ 333.018315] ? exit_to_usermode_loop+0x8c/0x380 [ 333.021840] ? bpf_test_run+0x25d/0x780 [ 333.025793] ? exit_to_usermode_loop+0x8c/0x380 [ 333.029406] ? netlink_diag_dump+0x2a0/0x2a0 [ 333.033530] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.037833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.042229] ? trace_hardirqs_on+0xbd/0x310 [ 333.046881] ? bpf_test_init.isra.10+0x70/0x100 [ 333.050838] ? do_syscall_64+0x6be/0x820 [ 333.055535] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 333.059931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.064507] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.070028] exit_to_usermode_loop+0x2e5/0x380 [ 333.074343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.078993] ? __bpf_trace_sys_exit+0x30/0x30 [ 333.083051] ? fput+0x130/0x1a0 [ 333.087799] do_syscall_64+0x6be/0x820 [ 333.093312] ? __bpf_prog_get+0x9b/0x290 [ 333.098137] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.102703] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.108227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.112705] ? bpf_prog_test_run+0x130/0x1a0 [ 333.115985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.119854] ? __x64_sys_bpf+0x3d8/0x520 [ 333.123900] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.129249] ? bpf_prog_get+0x20/0x20 [ 333.134079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 333.139008] ? do_syscall_64+0x1b9/0x820 [ 333.143390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.148231] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.152298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.157300] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.161101] RIP: 0033:0x410fa0 [ 333.166105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.170154] Code: Bad RIP value. [ 333.174976] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.180318] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 333.185533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 333.190450] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 333.193652] ? prepare_exit_to_usermode+0x291/0x3b0 [ 333.198488] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 333.201875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.206867] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 333.214566] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.219993] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 333.227337] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.232251] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 333.232285] rcu: rcu_preempt kthread starved for 10486 jiffies! g22005 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 333.239600] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.244382] rcu: RCU grace-period kthread stack dump: [ 333.251658] syz-executor0 cpuset=syz0 mems_allowed=0 [ 333.257009] rcu_preempt R running task 22696 10 2 0x80000000 [ 333.264276] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 333.270745] Call Trace: [ 333.278004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.288483] __schedule+0x8cf/0x21d0 [ 333.298965] Call Trace: [ 333.304180] ? __sched_text_start+0x8/0x8 [ 333.309254] [ 333.316441] ? add_timer_on+0xa20/0xa20 [ 333.323780] dump_stack+0x244/0x39d [ 333.326397] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.335738] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.339441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.342021] warn_alloc.cold.116+0xb7/0x1bd [ 333.346147] ? trace_hardirqs_on+0xbd/0x310 [ 333.348284] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.352239] ? kasan_check_read+0x11/0x20 [ 333.355851] ? lock_downgrade+0x900/0x900 [ 333.360948] ? prepare_to_swait_event+0x25a/0x800 [ 333.366118] ? trace_hardirqs_off+0xb8/0x310 [ 333.371203] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.375506] ? trace_hardirqs_off+0xb8/0x310 [ 333.379838] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.384682] __alloc_pages_slowpath+0x26e8/0x2e10 [ 333.388810] schedule+0xfe/0x460 [ 333.392976] ? warn_alloc+0x120/0x120 [ 333.397785] ? __schedule+0x21d0/0x21d0 [ 333.402178] ? print_usage_bug+0xc0/0xc0 [ 333.407265] ? prepare_to_swait_event+0x25a/0x800 [ 333.411654] ? warn_alloc+0x120/0x120 [ 333.416747] ? __init_swait_queue_head+0x150/0x150 [ 333.421576] ? warn_alloc+0x120/0x120 [ 333.424951] ? __lockdep_init_map+0x105/0x590 [ 333.428741] ? print_usage_bug+0xc0/0xc0 [ 333.432699] ? lockdep_init_map+0x9/0x10 [ 333.436760] ? kvm_clock_read+0x18/0x30 [ 333.441600] schedule_timeout+0x140/0x260 [ 333.445384] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 333.450300] ? usleep_range+0x1a0/0x1a0 [ 333.454087] ? print_usage_bug+0xc0/0xc0 [ 333.458576] ? __next_timer_interrupt+0x1a0/0x1a0 [ 333.462648] ? __lock_acquire+0x62f/0x4c20 [ 333.466707] rcu_gp_fqs_loop+0x762/0xa80 [ 333.470774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.474904] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 333.479913] ? should_fail+0x22d/0xd01 [ 333.483871] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.487929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.492773] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.496998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.501052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.506576] ? __lock_acquire+0x62f/0x4c20 [ 333.511325] ? rcu_gp_init+0x90b/0x1260 [ 333.515195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.520289] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 333.525551] ? __lock_acquire+0x62f/0x4c20 [ 333.530993] ? rcu_accelerate_cbs+0x10a/0xae0 [ 333.536082] ? should_fail+0x22d/0xd01 [ 333.541609] ? zap_class+0x640/0x640 [ 333.545854] ? rcu_irq_exit+0x1a2/0x390 [ 333.549847] ? zap_class+0x640/0x640 [ 333.554941] ? mark_held_locks+0x130/0x130 [ 333.559690] ? __lock_is_held+0xb5/0x140 [ 333.563908] ? mark_held_locks+0x130/0x130 [ 333.568395] ? __lock_is_held+0xb5/0x140 [ 333.572269] ? mark_held_locks+0xc7/0x130 [ 333.575969] ? zap_class+0x640/0x640 [ 333.579927] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 333.583633] ? rcu_accelerate_cbs+0x10a/0xae0 [ 333.587848] ? zap_class+0x640/0x640 [ 333.591897] ? find_held_lock+0x36/0x1c0 [ 333.596124] ? print_usage_bug+0xc0/0xc0 [ 333.600176] ? rcu_gp_kthread+0x8cf/0xc70 [ 333.604409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.608109] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.613117] ? check_preemption_disabled+0x48/0x280 [ 333.617598] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.621301] ? __lock_is_held+0xb5/0x140 [ 333.625348] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.629410] __alloc_pages_nodemask+0xa80/0xde0 [ 333.633541] ? trace_hardirqs_on+0xbd/0x310 [ 333.639079] ? zap_class+0x640/0x640 [ 333.643570] ? kasan_check_read+0x11/0x20 [ 333.648579] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 333.653061] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.657121] ? find_held_lock+0x36/0x1c0 [ 333.661683] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.666345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.670660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.674358] ? lock_downgrade+0x900/0x900 [ 333.678497] rcu_gp_kthread+0x341/0xc70 [ 333.683535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.688623] ? rcu_gp_init+0x1260/0x1260 [ 333.692669] cache_grow_begin+0xa5/0x8c0 [ 333.698104] ? mark_held_locks+0x130/0x130 [ 333.702770] ? do_raw_spin_unlock+0xa7/0x330 [ 333.708307] ? __schedule+0x168a/0x21d0 [ 333.712471] fallback_alloc+0x204/0x2e0 [ 333.716421] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.721973] ____cache_alloc_node+0x1c7/0x1e0 [ 333.726021] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.730066] kmem_cache_alloc_node+0xe3/0x730 [ 333.734286] ? trace_hardirqs_on+0xbd/0x310 [ 333.738710] ? ipv6_get_ifaddr+0x42e/0x620 [ 333.742667] ? kasan_check_read+0x11/0x20 [ 333.746633] __alloc_skb+0x119/0x770 [ 333.751121] ? __schedule+0x168a/0x21d0 [ 333.755604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.760173] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.764649] ? netdev_alloc_frag+0x1f0/0x1f0 [ 333.768961] ? lock_pin_lock+0x350/0x350 [ 333.773174] ? lock_downgrade+0x900/0x900 [ 333.777308] ? _raw_spin_unlock_irq+0x60/0x80 [ 333.781006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.784967] ? __schedule+0x168a/0x21d0 [ 333.790226] ? refcount_sub_and_test_checked+0x203/0x310 [ 333.795307] ? __switch_to_asm+0x40/0x70 [ 333.799701] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 333.803751] ? __switch_to_asm+0x40/0x70 [ 333.807897] ? addrconf_rs_timer+0x690/0x690 [ 333.812379] ? show_schedstat+0x731/0xf30 [ 333.817906] ndisc_alloc_skb+0x144/0x340 [ 333.821859] ? __sched_text_start+0x8/0x8 [ 333.827291] ndisc_send_rs+0x331/0x6e0 [ 333.831341] ? find_held_lock+0x36/0x1c0 [ 333.836770] addrconf_rs_timer+0x314/0x690 [ 333.840822] ? __kthread_parkme+0xce/0x1a0 [ 333.845236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.849367] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.853420] call_timer_fn+0x272/0x920 [ 333.857555] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.861448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.865495] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.869720] ? process_timeout+0x40/0x40 [ 333.873951] ? trace_hardirqs_on+0xbd/0x310 [ 333.878190] ? __run_timers+0x7da/0xc70 [ 333.883275] ? kasan_check_read+0x11/0x20 [ 333.887147] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.892233] ? __kthread_parkme+0xce/0x1a0 [ 333.896501] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.901098] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.905142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.909477] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.913443] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.917573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.922052] ? trace_hardirqs_on+0xbd/0x310 [ 333.926267] ? __kthread_parkme+0xfb/0x1a0 [ 333.930758] ? kasan_check_read+0x11/0x20 [ 333.935843] ? rcu_gp_init+0x1260/0x1260 [ 333.940060] ? __run_timers+0x7da/0xc70 [ 333.945144] kthread+0x35a/0x440 [ 333.949709] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.955228] ? kthread_stop+0x900/0x900 [ 333.959546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.963762] ret_from_fork+0x3a/0x50 [ 333.967894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.972062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.975903] __run_timers+0x7e5/0xc70 [ 333.975925] ? timer_fixup_init+0x70/0x70 [ 333.975940] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.979357] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.984392] ? zap_class+0x640/0x640 [ 333.988345] syz-executor5 cpuset=syz5 mems_allowed=0 [ 333.992580] ? enqueue_hrtimer+0x1a5/0x560 [ 334.043519] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 334.048716] ? find_held_lock+0x36/0x1c0 [ 334.052778] ? zap_class+0x640/0x640 [ 334.056496] ? pvclock_read_flags+0x160/0x160 [ 334.060991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.066539] ? check_preemption_disabled+0x48/0x280 [ 334.071562] ? __lock_is_held+0xb5/0x140 [ 334.075647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.081206] ? check_preemption_disabled+0x48/0x280 [ 334.086226] run_timer_softirq+0x52/0xb0 [ 334.090288] ? rcu_read_lock_sched_held+0x14f/0x180 [ 334.095323] __do_softirq+0x308/0xb7e [ 334.099145] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 334.103697] ? lock_downgrade+0x900/0x900 [ 334.107882] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 334.112994] ? pvclock_read_flags+0x160/0x160 [ 334.117494] ? lapic_next_event+0x5a/0x90 [ 334.121644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.127192] ? kvm_clock_read+0x18/0x30 [ 334.131167] ? kvm_sched_clock_read+0x9/0x20 [ 334.135578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.141119] ? check_preemption_disabled+0x48/0x280 [ 334.146161] irq_exit+0x17f/0x1c0 [ 334.149617] smp_apic_timer_interrupt+0x1cb/0x760 [ 334.154485] ? smp_reschedule_interrupt+0x109/0x650 [ 334.159523] ? smp_call_function_single_interrupt+0x650/0x650 [ 334.165407] ? interrupt_entry+0xb5/0xc0 [ 334.169502] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.174517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.179536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.184380] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.189394] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.194415] ? task_prio+0x50/0x50 [ 334.197969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.203510] ? check_preemption_disabled+0x48/0x280 [ 334.208552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.213403] apic_timer_interrupt+0xf/0x20 [ 334.217641] [ 334.219912] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 334.225797] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 334.244698] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 334.252411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 334.259687] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 334.266986] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 334.274266] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 334.281533] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 334.288844] ? save_stack+0xa9/0xd0 [ 334.292486] __kmalloc_node_track_caller+0x3c/0x70 [ 334.297423] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 334.302238] pskb_expand_head+0x230/0x10f0 [ 334.306482] ? memcpy+0x45/0x50 [ 334.309771] ? __copy_skb_header+0x350/0x6b0 [ 334.314202] ? skb_release_data+0x880/0x880 [ 334.318528] ? __alloc_skb+0x770/0x770 [ 334.322480] ? __lock_is_held+0xb5/0x140 [ 334.326555] ? kasan_check_write+0x14/0x20 [ 334.330790] ? __skb_clone+0x6c7/0xa00 [ 334.334680] ? __copy_skb_header+0x6b0/0x6b0 [ 334.339086] ? kmem_cache_alloc+0x33a/0x730 [ 334.343419] skb_ensure_writable+0x3dd/0x640 [ 334.347858] ? skb_checksum_setup+0xaa0/0xaa0 [ 334.352382] ? check_preemption_disabled+0x48/0x280 [ 334.357403] ? __this_cpu_preempt_check+0x1c/0x20 [ 334.362255] ? __bpf_redirect+0x54b/0xb20 [ 334.366406] bpf_clone_redirect+0x14a/0x490 [ 334.370745] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 334.375759] ? __sched_text_start+0x8/0x8 [ 334.379911] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 334.384519] ? retint_kernel+0x2d/0x2d [ 334.388407] ? trace_hardirqs_on_caller+0xc0/0x310 [ 334.393343] ? find_held_lock+0x36/0x1c0 [ 334.397410] ? lock_acquire+0x1ed/0x520 [ 334.401387] ? bpf_test_run+0x3cb/0x780 [ 334.405361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.410911] ? check_preemption_disabled+0x48/0x280 [ 334.415936] ? kasan_check_read+0x11/0x20 [ 334.420115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.425388] ? rcu_softirq_qs+0x20/0x20 [ 334.429361] ? preempt_schedule+0x4d/0x60 [ 334.433540] ? ___preempt_schedule+0x16/0x18 [ 334.437956] ? bpf_test_run+0x25d/0x780 [ 334.441942] ? netlink_diag_dump+0x2a0/0x2a0 [ 334.446352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.451889] ? bpf_test_init.isra.10+0x70/0x100 [ 334.456564] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 334.461333] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.466175] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.471711] ? fput+0x130/0x1a0 [ 334.474990] ? __bpf_prog_get+0x9b/0x290 [ 334.479047] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.483884] ? bpf_prog_test_run+0x130/0x1a0 [ 334.488288] ? __x64_sys_bpf+0x3d8/0x520 [ 334.492342] ? bpf_prog_get+0x20/0x20 [ 334.496174] ? do_syscall_64+0x1b9/0x820 [ 334.500231] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 334.505604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.510561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.515459] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.520496] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 334.525528] ? prepare_exit_to_usermode+0x291/0x3b0 [ 334.530552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.535398] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.540799] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 334.540804] warn_alloc_show_mem: 1 callbacks suppressed [ 334.540810] Mem-Info: [ 334.548076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.553495] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 334.553495] active_file:12 inactive_file:13 isolated_file:0 [ 334.553495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.553495] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 334.553495] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 334.553495] free:13733 free_pcp:586 free_cma:0 [ 334.555872] Call Trace: [ 334.565260] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.598227] [ 334.600810] 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 [ 334.628220] dump_stack+0x244/0x39d [ 334.630345] lowmem_reserve[]: 0 2818 6321 6321 [ 334.656646] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.660252] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 334.664844] warn_alloc.cold.116+0xb7/0x1bd [ 334.670005] lowmem_reserve[]: 0 0 3503 3503 [ 334.697604] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.701901] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 334.706219] ? lock_downgrade+0x900/0x900 [ 334.711082] lowmem_reserve[]: 0 0 0 0 [ 334.740504] ? trace_hardirqs_off+0xb8/0x310 [ 334.744628] 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 [ 334.748446] ? trace_hardirqs_off+0xb8/0x310 [ 334.752830] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 334.766351] __alloc_pages_slowpath+0x26e8/0x2e10 [ 334.770735] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 334.786106] ? warn_alloc+0x120/0x120 [ 334.790910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.804782] ? print_usage_bug+0xc0/0xc0 [ 334.808611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.817438] ? warn_alloc+0x120/0x120 [ 334.821486] 269 total pagecache pages [ 334.830069] ? warn_alloc+0x120/0x120 [ 334.833855] 0 pages in swap cache [ 334.837660] ? print_usage_bug+0xc0/0xc0 [ 334.841457] Swap cache stats: add 0, delete 0, find 0/0 [ 334.841465] Free swap = 0kB [ 334.844939] ? print_usage_bug+0xc0/0xc0 [ 334.848973] Total swap = 0kB [ 334.854349] ? __lock_acquire+0x62f/0x4c20 [ 334.857352] 1965979 pages RAM [ 334.861408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.864394] 0 pages HighMem/MovableOnly [ 334.864402] 342853 pages reserved [ 334.868631] ? should_fail+0x22d/0xd01 [ 334.871711] 0 pages cma reserved [ 334.877242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.881259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 334.884636] ? __lock_acquire+0x62f/0x4c20 [ 334.884653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.884668] ? __lock_acquire+0x62f/0x4c20 [ 334.888587] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.891888] ? should_fail+0x22d/0xd01 [ 334.896967] syz-executor0 cpuset=syz0 mems_allowed=0 [ 334.903467] ? find_held_lock+0x36/0x1c0 [ 334.903488] ? mark_held_locks+0x130/0x130 [ 334.944726] ? mark_held_locks+0x130/0x130 [ 334.948965] ? zap_class+0x640/0x640 [ 334.952680] ? zap_class+0x640/0x640 [ 334.956417] ? print_usage_bug+0xc0/0xc0 [ 334.960512] ? do_raw_spin_unlock+0xa7/0x330 [ 334.964921] ? zap_class+0x640/0x640 [ 334.968637] ? print_usage_bug+0xc0/0xc0 [ 334.972698] ? wq_watchdog_touch+0x9c/0xfe [ 334.976937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.982515] ? check_preemption_disabled+0x48/0x280 [ 334.987542] ? __lock_is_held+0xb5/0x140 [ 334.991624] __alloc_pages_nodemask+0xa80/0xde0 [ 334.996292] ? zap_class+0x640/0x640 [ 335.000007] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 335.005049] ? find_held_lock+0x36/0x1c0 [ 335.009122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.013807] ? lock_downgrade+0x900/0x900 [ 335.017967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.023527] cache_grow_begin+0xa5/0x8c0 [ 335.027587] ? do_raw_spin_unlock+0xa7/0x330 [ 335.032005] fallback_alloc+0x204/0x2e0 [ 335.035991] ____cache_alloc_node+0x1c7/0x1e0 [ 335.040523] kmem_cache_alloc_node+0xe3/0x730 [ 335.045020] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.049265] __alloc_skb+0x119/0x770 [ 335.052983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.058264] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.062674] ? lock_downgrade+0x900/0x900 [ 335.066850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.072387] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.077859] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.083312] ? addrconf_rs_timer+0x690/0x690 [ 335.087776] ndisc_alloc_skb+0x144/0x340 [ 335.091842] ndisc_send_rs+0x331/0x6e0 [ 335.095756] addrconf_rs_timer+0x314/0x690 [ 335.100017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.104277] call_timer_fn+0x272/0x920 [ 335.108162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.112399] ? process_timeout+0x40/0x40 [ 335.116505] ? mark_held_locks+0xc7/0x130 [ 335.120661] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.125157] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.129655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.133889] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.138473] ? trace_hardirqs_on+0xbd/0x310 [ 335.142795] ? kasan_check_read+0x11/0x20 [ 335.146942] ? __run_timers+0x7da/0xc70 [ 335.150920] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.156027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.160269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.164502] __run_timers+0x7e5/0xc70 [ 335.168315] ? timer_fixup_init+0x70/0x70 [ 335.172472] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 335.177504] ? zap_class+0x640/0x640 [ 335.181220] ? print_usage_bug+0xc0/0xc0 [ 335.185285] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 335.190489] ? find_held_lock+0x36/0x1c0 [ 335.194556] ? zap_class+0x640/0x640 [ 335.198272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.203808] ? check_preemption_disabled+0x48/0x280 [ 335.208833] ? __lock_is_held+0xb5/0x140 [ 335.212916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.218717] ? check_preemption_disabled+0x48/0x280 [ 335.223759] run_timer_softirq+0x52/0xb0 [ 335.227874] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.232894] __do_softirq+0x308/0xb7e [ 335.236698] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.241194] ? lock_downgrade+0x900/0x900 [ 335.245358] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.250478] ? pvclock_read_flags+0x160/0x160 [ 335.254996] ? lapic_next_event+0x5a/0x90 [ 335.259147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.264690] ? kvm_clock_read+0x18/0x30 [ 335.268667] ? kvm_sched_clock_read+0x9/0x20 [ 335.273080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.278635] ? check_preemption_disabled+0x48/0x280 [ 335.283661] irq_exit+0x17f/0x1c0 [ 335.287113] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.291986] ? smp_reschedule_interrupt+0x109/0x650 [ 335.297000] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.302898] ? interrupt_entry+0xb5/0xc0 [ 335.306990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.312001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.317471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.322362] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.327390] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.332405] ? task_prio+0x50/0x50 [ 335.335960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.341526] ? check_preemption_disabled+0x48/0x280 [ 335.346573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.351420] apic_timer_interrupt+0xf/0x20 [ 335.355663] [ 335.357900] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 335.363106] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 335.382005] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 335.389707] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 335.396990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 335.404259] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 335.411551] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 335.418833] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 335.426133] retint_kernel+0x1b/0x2d [ 335.429848] RIP: 0010:dump_stack+0x358/0x39d [ 335.434251] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 335.453151] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 335.460855] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 335.468120] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 335.475417] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 335.482691] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 335.489960] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 335.497257] ? dump_stack+0x34f/0x39d [ 335.501083] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.506311] dump_header+0x27b/0xf72 [ 335.510039] ? mark_held_locks+0x130/0x130 [ 335.514281] ? pagefault_out_of_memory+0x197/0x197 [ 335.519232] ? __lock_acquire+0x62f/0x4c20 [ 335.523468] ? zap_class+0x640/0x640 [ 335.527199] ? percpu_ref_get_many+0x240/0x240 [ 335.531780] ? print_usage_bug+0xc0/0xc0 [ 335.535844] ? print_usage_bug+0xc0/0xc0 [ 335.539911] ? zap_class+0x640/0x640 [ 335.543626] ? print_usage_bug+0xc0/0xc0 [ 335.547718] ? print_usage_bug+0xc0/0xc0 [ 335.551785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.557341] ? find_held_lock+0x36/0x1c0 [ 335.561424] ? mark_held_locks+0xc7/0x130 [ 335.565582] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.570688] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.575794] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 335.580380] ? trace_hardirqs_on+0xbd/0x310 [ 335.584725] ? kasan_check_read+0x11/0x20 [ 335.588874] ? ___ratelimit+0x3b4/0x672 [ 335.592877] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.597983] ? trace_hardirqs_on+0x310/0x310 [ 335.602391] ? lock_downgrade+0x900/0x900 [ 335.606548] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.611662] ? ___ratelimit+0x3b9/0x672 [ 335.615643] ? idr_get_free+0xf70/0xf70 [ 335.619632] ? find_held_lock+0x36/0x1c0 [ 335.623748] oom_kill_process.cold.27+0x10/0x903 [ 335.628518] ? zap_class+0x640/0x640 [ 335.632235] ? check_preemption_disabled+0x48/0x280 [ 335.637272] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.642221] ? kasan_check_read+0x11/0x20 [ 335.646382] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.651670] ? oom_evaluate_task+0x540/0x540 [ 335.656101] ? find_held_lock+0x36/0x1c0 [ 335.660196] ? out_of_memory+0x974/0x1430 [ 335.664366] ? lock_downgrade+0x900/0x900 [ 335.668517] ? check_preemption_disabled+0x48/0x280 [ 335.673595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.678527] ? kasan_check_read+0x11/0x20 [ 335.682678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.687983] ? rcu_softirq_qs+0x20/0x20 [ 335.691988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.697543] ? oom_evaluate_task+0x302/0x540 [ 335.701970] out_of_memory+0xa84/0x1430 [ 335.705984] ? oom_killer_disable+0x3a0/0x3a0 [ 335.710498] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 335.715456] ? __ww_mutex_check_waiters+0x160/0x160 [ 335.720929] __alloc_pages_slowpath+0x2354/0x2e10 [ 335.725847] ? warn_alloc+0x120/0x120 [ 335.729685] ? warn_alloc+0x120/0x120 [ 335.733506] ? warn_alloc+0x120/0x120 [ 335.737303] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.742423] ? print_usage_bug+0xc0/0xc0 [ 335.746494] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 335.751078] ? print_usage_bug+0xc0/0xc0 [ 335.755147] ? print_usage_bug+0xc0/0xc0 [ 335.759210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.764751] ? should_fail+0x22d/0xd01 [ 335.768660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.773765] ? zap_class+0x640/0x640 [ 335.777503] ? __lock_is_held+0xb5/0x140 [ 335.781576] ? zap_class+0x640/0x640 [ 335.785294] ? lock_release+0xa00/0xa00 [ 335.789271] ? perf_trace_sched_process_exec+0x860/0x860 [ 335.794725] ? check_preemption_disabled+0x48/0x280 [ 335.799749] ? __might_sleep+0x95/0x190 [ 335.803732] __alloc_pages_nodemask+0xa80/0xde0 [ 335.808400] ? zap_class+0x640/0x640 [ 335.812131] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 335.817173] ? mark_held_locks+0xc7/0x130 [ 335.821327] ? cache_grow_begin+0x65/0x8c0 [ 335.825570] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 335.830154] ? trace_hardirqs_on+0xbd/0x310 [ 335.834479] ? fallback_alloc+0x204/0x2e0 [ 335.838630] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.843753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.849309] cache_grow_begin+0xa5/0x8c0 [ 335.853371] ? do_raw_spin_unlock+0xa7/0x330 [ 335.857787] fallback_alloc+0x204/0x2e0 [ 335.861779] ____cache_alloc_node+0x1c7/0x1e0 [ 335.866281] kmem_cache_alloc_node+0xe3/0x730 [ 335.870793] __alloc_skb+0x119/0x770 [ 335.874543] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.878973] ? if_nlmsg_size+0x5d1/0xbb0 [ 335.883041] ? rtnetlink_put_metrics+0x690/0x690 [ 335.887808] ? sk_psock_stop_strp+0x120/0x120 [ 335.892321] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 335.897343] ? netif_tx_stop_all_queues+0xd9/0x110 [ 335.902280] rtmsg_ifinfo_build_skb+0x74/0x190 [ 335.906871] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 335.911745] rtmsg_ifinfo+0x8c/0xa0 [ 335.915376] dev_close_many+0x3be/0x860 [ 335.919363] ? dev_fill_metadata_dst+0x840/0x840 [ 335.924118] ? find_held_lock+0x36/0x1c0 [ 335.928218] ? __queue_work+0x671/0x1440 [ 335.932282] ? lock_downgrade+0x900/0x900 [ 335.936457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.942008] ? rtnl_is_locked+0xb5/0xf0 [ 335.945987] ? rtnl_trylock+0x20/0x20 [ 335.949796] ? do_raw_spin_unlock+0xa7/0x330 [ 335.954205] ? do_raw_spin_trylock+0x270/0x270 [ 335.958795] rollback_registered_many+0x543/0x1250 [ 335.963746] ? generic_xdp_install+0x5a0/0x5a0 [ 335.968335] ? flush_rcu_work+0x90/0x90 [ 335.972313] ? zap_class+0x640/0x640 [ 335.976042] ? print_usage_bug+0xc0/0xc0 [ 335.980105] ? print_usage_bug+0xc0/0xc0 [ 335.984171] ? zap_class+0x640/0x640 [ 335.987890] ? print_usage_bug+0xc0/0xc0 [ 335.991965] ? find_held_lock+0x36/0x1c0 [ 335.996038] ? mark_held_locks+0xc7/0x130 [ 336.000189] rollback_registered+0x1e9/0x420 [ 336.004613] ? lockdep_hardirqs_on+0x321/0x5b0 [ 336.009199] ? rollback_registered_many+0x1250/0x1250 [ 336.014393] ? trace_hardirqs_on+0xbd/0x310 [ 336.018720] ? linkwatch_schedule_work+0x150/0x170 [ 336.023651] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.028771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.034305] ? rtnl_is_locked+0xb5/0xf0 [ 336.038279] ? rtnl_trylock+0x20/0x20 [ 336.042101] ? queue_delayed_work_on+0x130/0x1f0 [ 336.046862] unregister_netdevice_queue+0x321/0x5e0 [ 336.051880] ? rollback_registered+0x420/0x420 [ 336.056470] ? linkwatch_schedule_work+0x170/0x170 [ 336.061407] ? tun_setup+0x2d0/0x2d0 [ 336.065140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.070687] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 336.076070] ? __tun_detach+0x6ba/0x15c0 [ 336.080151] __tun_detach+0x11b8/0x15c0 [ 336.084127] ? __call_rcu.constprop.55+0x3ea/0x950 [ 336.089057] ? __call_rcu.constprop.55+0x3ea/0x950 [ 336.093997] ? tun_attach+0x1900/0x1900 [ 336.097975] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.103079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.108620] ? check_preemption_disabled+0x48/0x280 [ 336.113639] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.118232] ? zap_class+0x640/0x640 [ 336.121945] ? fsnotify+0x4e5/0xf20 [ 336.125587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.131128] ? locks_remove_file+0x3c6/0x5c0 [ 336.135544] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 336.141082] ? ima_file_free+0x132/0x650 [ 336.145152] ? __lock_is_held+0xb5/0x140 [ 336.149219] ? __tun_detach+0x15c0/0x15c0 [ 336.153375] ? __tun_detach+0x15c0/0x15c0 [ 336.157523] tun_chr_close+0xe3/0x180 [ 336.161327] __fput+0x385/0xa30 [ 336.164615] ? get_max_files+0x20/0x20 [ 336.168531] ? perf_trace_sched_process_exec+0x860/0x860 [ 336.173996] ____fput+0x15/0x20 [ 336.177276] task_work_run+0x1e8/0x2a0 [ 336.181167] ? task_work_cancel+0x240/0x240 [ 336.185502] ? switch_task_namespaces+0xb8/0xd0 [ 336.190180] do_exit+0x1ad6/0x26d0 [ 336.193732] ? mm_update_next_owner+0x990/0x990 [ 336.198401] ? print_usage_bug+0xc0/0xc0 [ 336.202475] ? find_held_lock+0x36/0x1c0 [ 336.206552] ? mark_held_locks+0x130/0x130 [ 336.210798] ? __lock_acquire+0x62f/0x4c20 [ 336.215031] ? pipe_wait+0x266/0x2c0 [ 336.218755] ? lock_release+0xa00/0xa00 [ 336.222743] ? mark_held_locks+0x130/0x130 [ 336.226991] ? __mutex_lock+0x85e/0x16f0 [ 336.231050] ? __switch_to_asm+0x40/0x70 [ 336.235128] ? pipe_wait+0x266/0x2c0 [ 336.238995] ? __switch_to_asm+0x34/0x70 [ 336.243071] ? __switch_to_asm+0x40/0x70 [ 336.247153] ? mutex_trylock+0x2b0/0x2b0 [ 336.251213] ? zap_class+0x640/0x640 [ 336.254962] ? zap_class+0x640/0x640 [ 336.258677] ? find_held_lock+0x36/0x1c0 [ 336.262754] ? memset+0x31/0x40 [ 336.266042] ? find_held_lock+0x36/0x1c0 [ 336.270127] ? get_signal+0x95b/0x1980 [ 336.274047] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.278559] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.283066] do_group_exit+0x177/0x440 [ 336.286964] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.292082] ? __ia32_sys_exit+0x50/0x50 [ 336.296179] get_signal+0x8b0/0x1980 [ 336.299902] ? ptrace_notify+0x130/0x130 [ 336.303994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.309545] ? pipe_read+0x702/0x940 [ 336.313275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.318856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.324407] ? __vfs_read+0x11f/0x9b0 [ 336.328223] do_signal+0x9c/0x21c0 [ 336.331766] ? fsnotify+0xf20/0xf20 [ 336.335411] ? setup_sigcontext+0x7d0/0x7d0 [ 336.339743] ? exit_to_usermode_loop+0x8c/0x380 [ 336.344427] ? exit_to_usermode_loop+0x8c/0x380 [ 336.349116] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.353741] ? trace_hardirqs_on+0xbd/0x310 [ 336.358078] ? do_syscall_64+0x6be/0x820 [ 336.362146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.367721] exit_to_usermode_loop+0x2e5/0x380 [ 336.372309] ? __bpf_trace_sys_exit+0x30/0x30 [ 336.376814] do_syscall_64+0x6be/0x820 [ 336.380717] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 336.386112] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.391040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.395885] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.400909] ? prepare_exit_to_usermode+0x291/0x3b0 [ 336.405948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.410801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.415998] RIP: 0033:0x410fa0 [ 336.419199] Code: Bad RIP value. [ 336.422558] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 336.430277] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 336.437553] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 336.444820] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 336.452118] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 336.459386] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 336.466697] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 336.466766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 336.474059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.474064] Call Trace: [ 336.474070] [ 336.474087] dump_stack+0x244/0x39d [ 336.474105] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.480628] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.489957] warn_alloc.cold.116+0xb7/0x1bd [ 336.492544] syz-executor5 cpuset=syz5 mems_allowed=0 [ 336.494689] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.528229] ? lock_downgrade+0x900/0x900 [ 336.532385] ? trace_hardirqs_off+0xb8/0x310 [ 336.536808] ? trace_hardirqs_off+0xb8/0x310 [ 336.541239] __alloc_pages_slowpath+0x26e8/0x2e10 [ 336.546113] ? warn_alloc+0x120/0x120 [ 336.549917] ? print_usage_bug+0xc0/0xc0 [ 336.553980] ? warn_alloc+0x120/0x120 [ 336.557801] ? warn_alloc+0x120/0x120 [ 336.561603] ? print_usage_bug+0xc0/0xc0 [ 336.565670] ? print_usage_bug+0xc0/0xc0 [ 336.569734] ? __lock_acquire+0x62f/0x4c20 [ 336.573973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.579513] ? should_fail+0x22d/0xd01 [ 336.583917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.589033] ? __lock_acquire+0x62f/0x4c20 [ 336.593268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.598379] ? __lock_acquire+0x62f/0x4c20 [ 336.602637] ? should_fail+0x22d/0xd01 [ 336.606538] ? find_held_lock+0x36/0x1c0 [ 336.610607] ? mark_held_locks+0x130/0x130 [ 336.614857] ? mark_held_locks+0x130/0x130 [ 336.619085] ? zap_class+0x640/0x640 [ 336.622795] ? zap_class+0x640/0x640 [ 336.626508] ? print_usage_bug+0xc0/0xc0 [ 336.630565] ? do_raw_spin_unlock+0xa7/0x330 [ 336.634970] ? zap_class+0x640/0x640 [ 336.638682] ? print_usage_bug+0xc0/0xc0 [ 336.642815] ? wq_watchdog_touch+0x9c/0xfe [ 336.647066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.652615] ? check_preemption_disabled+0x48/0x280 [ 336.657640] ? __lock_is_held+0xb5/0x140 [ 336.661706] __alloc_pages_nodemask+0xa80/0xde0 [ 336.666374] ? zap_class+0x640/0x640 [ 336.670091] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 336.675119] ? find_held_lock+0x36/0x1c0 [ 336.679191] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.683879] ? lock_downgrade+0x900/0x900 [ 336.688038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.693578] cache_grow_begin+0xa5/0x8c0 [ 336.697636] ? do_raw_spin_unlock+0xa7/0x330 [ 336.702052] fallback_alloc+0x204/0x2e0 [ 336.706031] ____cache_alloc_node+0x1c7/0x1e0 [ 336.710561] kmem_cache_alloc_node+0xe3/0x730 [ 336.715203] ? ipv6_get_ifaddr+0x42e/0x620 [ 336.719480] __alloc_skb+0x119/0x770 [ 336.723210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.728505] ? netdev_alloc_frag+0x1f0/0x1f0 [ 336.732925] ? lock_downgrade+0x900/0x900 [ 336.737085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.742628] ? refcount_sub_and_test_checked+0x203/0x310 [ 336.748080] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 336.753529] ? addrconf_rs_timer+0x690/0x690 [ 336.757949] ndisc_alloc_skb+0x144/0x340 [ 336.762048] ndisc_send_rs+0x331/0x6e0 [ 336.765955] addrconf_rs_timer+0x314/0x690 [ 336.770209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.774463] call_timer_fn+0x272/0x920 [ 336.778352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.782605] ? process_timeout+0x40/0x40 [ 336.786675] ? __run_timers+0x7da/0xc70 [ 336.790657] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.795153] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.799646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.803895] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.808492] ? trace_hardirqs_on+0xbd/0x310 [ 336.812817] ? kasan_check_read+0x11/0x20 [ 336.816964] ? __run_timers+0x7da/0xc70 [ 336.820943] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.826050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.830286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.834521] __run_timers+0x7e5/0xc70 [ 336.838328] ? timer_fixup_init+0x70/0x70 [ 336.842493] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 336.847513] ? zap_class+0x640/0x640 [ 336.851246] ? enqueue_hrtimer+0x1a5/0x560 [ 336.855498] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 336.860728] ? find_held_lock+0x36/0x1c0 [ 336.864808] ? zap_class+0x640/0x640 [ 336.868527] ? pvclock_read_flags+0x160/0x160 [ 336.873021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.878570] ? check_preemption_disabled+0x48/0x280 [ 336.883595] ? __lock_is_held+0xb5/0x140 [ 336.887653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.893202] ? check_preemption_disabled+0x48/0x280 [ 336.898253] run_timer_softirq+0x52/0xb0 [ 336.902324] ? rcu_read_lock_sched_held+0x14f/0x180 [ 336.907339] __do_softirq+0x308/0xb7e [ 336.911144] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 336.915636] ? lock_downgrade+0x900/0x900 [ 336.919785] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 336.924906] ? pvclock_read_flags+0x160/0x160 [ 336.929403] ? lapic_next_event+0x5a/0x90 [ 336.933603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.939149] ? kvm_clock_read+0x18/0x30 [ 336.943126] ? kvm_sched_clock_read+0x9/0x20 [ 336.947551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.953106] ? check_preemption_disabled+0x48/0x280 [ 336.958137] irq_exit+0x17f/0x1c0 [ 336.961598] smp_apic_timer_interrupt+0x1cb/0x760 [ 336.966448] ? smp_reschedule_interrupt+0x109/0x650 [ 336.971492] ? smp_call_function_single_interrupt+0x650/0x650 [ 336.977378] ? interrupt_entry+0xb5/0xc0 [ 336.981446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.986489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.991509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.996354] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.001385] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.006400] ? task_prio+0x50/0x50 [ 337.009981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.015537] ? check_preemption_disabled+0x48/0x280 [ 337.020560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.025423] apic_timer_interrupt+0xf/0x20 [ 337.029670] [ 337.031909] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 337.037792] Code: 3f 7e 0f 85 32 ff ff ff e8 93 e7 3d ff e9 28 ff ff ff e8 fa 1c c3 ff 48 83 3d 12 66 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 337.056688] RSP: 0000:ffff88019aa57498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 337.064420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.071695] RDX: 0000000000000000 RSI: ffff8801ce5fec40 RDI: 0000000000000286 [ 337.078962] RBP: ffff88019aa57510 R08: ffff8801ce5fe3c0 R09: 0000000000000000 [ 337.086242] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800c40 [ 337.093510] R13: ffff8801da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 337.100801] ? save_stack+0xa9/0xd0 [ 337.104441] __kmalloc_node_track_caller+0x3c/0x70 [ 337.109389] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 337.114152] pskb_expand_head+0x230/0x10f0 [ 337.118391] ? memcpy+0x45/0x50 [ 337.121673] ? __copy_skb_header+0x350/0x6b0 [ 337.126096] ? skb_release_data+0x880/0x880 [ 337.130460] ? __alloc_skb+0x770/0x770 [ 337.134379] ? __lock_is_held+0xb5/0x140 [ 337.138472] ? kasan_check_write+0x14/0x20 [ 337.142723] ? __skb_clone+0x6c7/0xa00 [ 337.146643] ? __copy_skb_header+0x6b0/0x6b0 [ 337.151052] ? kmem_cache_alloc+0x33a/0x730 [ 337.155399] skb_ensure_writable+0x3dd/0x640 [ 337.159832] ? skb_checksum_setup+0xaa0/0xaa0 [ 337.164390] ? check_preemption_disabled+0x48/0x280 [ 337.169412] ? __this_cpu_preempt_check+0x1c/0x20 [ 337.174260] ? __bpf_redirect+0x54b/0xb20 [ 337.178429] bpf_clone_redirect+0x14a/0x490 [ 337.182776] bpf_prog_bebbfe2050753572+0x41e/0x1000 [ 337.187798] ? __sched_text_start+0x8/0x8 [ 337.191974] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 337.196560] ? retint_kernel+0x2d/0x2d [ 337.200461] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.205396] ? find_held_lock+0x36/0x1c0 [ 337.209490] ? lock_acquire+0x1ed/0x520 [ 337.213470] ? bpf_test_run+0x3cb/0x780 [ 337.217469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.223010] ? check_preemption_disabled+0x48/0x280 [ 337.228053] ? kasan_check_read+0x11/0x20 [ 337.232200] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.237492] ? rcu_softirq_qs+0x20/0x20 [ 337.241493] ? preempt_schedule+0x4d/0x60 [ 337.245643] ? ___preempt_schedule+0x16/0x18 [ 337.250057] ? bpf_test_run+0x25d/0x780 [ 337.254046] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.258486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.264024] ? bpf_test_init.isra.10+0x70/0x100 [ 337.268704] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 337.273486] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.278339] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.283875] ? fput+0x130/0x1a0 [ 337.287169] ? __bpf_prog_get+0x9b/0x290 [ 337.291336] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.296177] ? bpf_prog_test_run+0x130/0x1a0 [ 337.300591] ? __x64_sys_bpf+0x3d8/0x520 [ 337.304651] ? bpf_prog_get+0x20/0x20 [ 337.308482] ? do_syscall_64+0x1b9/0x820 [ 337.312566] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.318206] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.323144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.327989] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.333004] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 337.338044] ? prepare_exit_to_usermode+0x291/0x3b0 [ 337.343075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.347922] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.353303] CPU: 1 PID: 6171 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #145 [ 337.353308] warn_alloc_show_mem: 1 callbacks suppressed [ 337.353314] Mem-Info: [ 337.360584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.365952] active_anon:59915 inactive_anon:187 isolated_anon:0 [ 337.365952] active_file:12 inactive_file:13 isolated_file:0 [ 337.365952] unevictable:0 dirty:0 writeback:0 unstable:0 [ 337.365952] slab_reclaimable:9466 slab_unreclaimable:1452955 [ 337.365952] mapped:16403 shmem:244 pagetables:476 bounce:0 [ 337.365952] free:13733 free_pcp:586 free_cma:0 [ 337.368324] Call Trace: [ 337.377709] Node 0 active_anon:239660kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 337.410580] [ 337.413151] 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 [ 337.440573] dump_stack+0x244/0x39d [ 337.442697] lowmem_reserve[]: 0 2818 6321 6321 [ 337.468801] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.472403] Node 0 DMA32 free:25084kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 337.476988] warn_alloc.cold.116+0xb7/0x1bd [ 337.482145] lowmem_reserve[]: 0 0 3503 3503 [ 337.509723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.514029] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:235564kB inactive_anon:748kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:1904kB bounce:0kB free_pcp:2096kB local_pcp:592kB free_cma:0kB [ 337.518342] ? lock_downgrade+0x900/0x900 [ 337.523263] lowmem_reserve[]: 0 0 0 0 [ 337.552249] ? trace_hardirqs_off+0xb8/0x310 [ 337.556379] 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 [ 337.560173] ? trace_hardirqs_off+0xb8/0x310 [ 337.564572] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25084kB [ 337.578106] __alloc_pages_slowpath+0x26e8/0x2e10 [ 337.582486] Node 0 Normal: 2293*4kB (UMEH) 342*8kB (ME) 71*16kB (ME) 22*32kB (ME) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13940kB [ 337.597843] ? warn_alloc+0x120/0x120 [ 337.602642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 337.616513] ? print_usage_bug+0xc0/0xc0 [ 337.620311] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 337.629132] ? warn_alloc+0x120/0x120 [ 337.633167] 269 total pagecache pages [ 337.641734] ? warn_alloc+0x120/0x120 [ 337.645527] 0 pages in swap cache [ 337.649345] ? print_usage_bug+0xc0/0xc0 [ 337.653124] Swap cache stats: add 0, delete 0, find 0/0 [ 337.656566] ? print_usage_bug+0xc0/0xc0 [ 337.660602] Free swap = 0kB [ 337.665980] ? __lock_acquire+0x62f/0x4c20 [ 337.670020] Total swap = 0kB [ 337.673045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.677252] 1965979 pages RAM [ 337.680263] ? should_fail+0x22d/0xd01 [ 337.685768] 0 pages HighMem/MovableOnly [ 337.685777] 342853 pages reserved [ 337.688894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.692786] 0 pages cma reserved [ 337.696793] ? __lock_acquire+0x62f/0x4c20 [ 337.700310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 337.705343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.705356] ? __lock_acquire+0x62f/0x4c20 [ 337.705373] ? should_fail+0x22d/0xd01 [ 337.708790] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.712980] ? find_held_lock+0x36/0x1c0 [ 337.719448] syz-executor0 cpuset=syz0 mems_allowed=0 [ 337.724551] ? mark_held_locks+0x130/0x130 [ 337.756481] ? mark_held_locks+0x130/0x130 [ 337.760730] ? zap_class+0x640/0x640 [ 337.764465] ? zap_class+0x640/0x640 [ 337.768185] ? print_usage_bug+0xc0/0xc0 [ 337.772259] ? do_raw_spin_unlock+0xa7/0x330 [ 337.776698] ? zap_class+0x640/0x640 [ 337.780428] ? print_usage_bug+0xc0/0xc0 [ 337.784507] ? wq_watchdog_touch+0x9c/0xfe [ 337.788744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.794289] ? check_preemption_disabled+0x48/0x280 [ 337.799315] ? __lock_is_held+0xb5/0x140 [ 337.803382] __alloc_pages_nodemask+0xa80/0xde0 [ 337.808054] ? zap_class+0x640/0x640 [ 337.811773] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 337.816860] ? find_held_lock+0x36/0x1c0 [ 337.820971] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.825644] ? lock_downgrade+0x900/0x900 [ 337.829832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.835372] cache_grow_begin+0xa5/0x8c0 [ 337.839439] ? do_raw_spin_unlock+0xa7/0x330 [ 337.843857] fallback_alloc+0x204/0x2e0 [ 337.847837] ____cache_alloc_node+0x1c7/0x1e0 [ 337.852336] kmem_cache_alloc_node+0xe3/0x730 [ 337.856831] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.861077] __alloc_skb+0x119/0x770 [ 337.864806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.870085] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.874496] ? lock_downgrade+0x900/0x900 [ 337.878655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.884191] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.889650] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.895101] ? addrconf_rs_timer+0x690/0x690 [ 337.899518] ndisc_alloc_skb+0x144/0x340 [ 337.903589] ndisc_send_rs+0x331/0x6e0 [ 337.907484] addrconf_rs_timer+0x314/0x690 [ 337.911734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.916007] call_timer_fn+0x272/0x920 [ 337.919891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.924165] ? process_timeout+0x40/0x40 [ 337.928229] ? mark_held_locks+0xc7/0x130 [ 337.932387] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.936884] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.941378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.945629] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.950217] ? trace_hardirqs_on+0xbd/0x310 [ 337.954540] ? kasan_check_read+0x11/0x20 [ 337.958689] ? __run_timers+0x7da/0xc70 [ 337.962679] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.967806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.972048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.976284] __run_timers+0x7e5/0xc70 [ 337.980093] ? timer_fixup_init+0x70/0x70 [ 337.984246] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 337.989263] ? zap_class+0x640/0x640 [ 337.992985] ? print_usage_bug+0xc0/0xc0 [ 337.997051] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.002249] ? find_held_lock+0x36/0x1c0 [ 338.006315] ? zap_class+0x640/0x640 [ 338.010036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.015576] ? check_preemption_disabled+0x48/0x280 [ 338.020627] ? __lock_is_held+0xb5/0x140 [ 338.024716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.030251] ? check_preemption_disabled+0x48/0x280 [ 338.035270] run_timer_softirq+0x52/0xb0 [ 338.039345] ? rcu_read_lock_sched_held+0x14f/0x180 [ 338.044361] __do_softirq+0x308/0xb7e [ 338.048165] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 338.052661] ? lock_downgrade+0x900/0x900 [ 338.056843] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 338.061960] ? pvclock_read_flags+0x160/0x160 [ 338.066468] ? lapic_next_event+0x5a/0x90 [ 338.070641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.076183] ? kvm_clock_read+0x18/0x30 [ 338.080158] ? kvm_sched_clock_read+0x9/0x20 [ 338.084579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.090146] ? check_preemption_disabled+0x48/0x280 [ 338.095199] irq_exit+0x17f/0x1c0 [ 338.098671] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.103533] ? smp_reschedule_interrupt+0x109/0x650 [ 338.108552] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.114449] ? interrupt_entry+0xb5/0xc0 [ 338.118559] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.123578] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.128595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.133447] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.138469] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.143503] ? task_prio+0x50/0x50 [ 338.147074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.152615] ? check_preemption_disabled+0x48/0x280 [ 338.157652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.162509] apic_timer_interrupt+0xf/0x20 [ 338.166738] [ 338.168994] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 338.174227] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 338.193127] RSP: 0018:ffff880198615410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 338.200832] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100330c1969 [ 338.208101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88019860cafc [ 338.215378] RBP: ffff880198615438 R08: ffff88019860cb48 R09: 0000000000000006 [ 338.222645] R10: 0000000000000000 R11: ffff88019860c280 R12: dffffc0000000000 [ 338.229928] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 338.237253] retint_kernel+0x1b/0x2d [ 338.240972] RIP: 0010:dump_stack+0x358/0x39d [ 338.245377] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 338.264276] RSP: 0018:ffff8801986154f0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 338.271985] RAX: ffff88019860c280 RBX: 1ffffffff12a3f76 RCX: 1ffff100330c1969 [ 338.279252] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 338.286534] RBP: ffff880198615598 R08: ffff88019860cb48 R09: 0000000000000006 [ 338.293809] R10: 0000000000000000 R11: ffff88019860c280 R12: 1ffff100330c2aa6 [ 338.301074] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 338.308359] ? dump_stack+0x34f/0x39d [ 338.312193] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.317392] dump_header+0x27b/0xf72 [ 338.321115] ? mark_held_locks+0x130/0x130 [ 338.325347] ? pagefault_out_of_memory+0x197/0x197 [ 338.330279] ? __lock_acquire+0x62f/0x4c20 [ 338.334510] ? zap_class+0x640/0x640 [ 338.338245] ? percpu_ref_get_many+0x240/0x240 [ 338.342845] ? print_usage_bug+0xc0/0xc0 [ 338.346907] ? print_usage_bug+0xc0/0xc0 [ 338.350980] ? zap_class+0x640/0x640 [ 338.354702] ? print_usage_bug+0xc0/0xc0 [ 338.358816] ? print_usage_bug+0xc0/0xc0 [ 338.362883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.368423] ? find_held_lock+0x36/0x1c0 [ 338.372505] ? mark_held_locks+0xc7/0x130 [ 338.376668] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.381765] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.386866] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.391456] ? trace_hardirqs_on+0xbd/0x310 [ 338.395781] ? kasan_check_read+0x11/0x20 [ 338.399930] ? ___ratelimit+0x3b4/0x672 [ 338.403920] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.409023] ? trace_hardirqs_on+0x310/0x310 [ 338.413442] ? lock_downgrade+0x900/0x900 [ 338.417594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.422697] ? ___ratelimit+0x3b9/0x672 [ 338.426689] ? idr_get_free+0xf70/0xf70 [ 338.430679] ? find_held_lock+0x36/0x1c0 [ 338.434773] oom_kill_process.cold.27+0x10/0x903 [ 338.439544] ? zap_class+0x640/0x640 [ 338.443259] ? check_preemption_disabled+0x48/0x280 [ 338.448277] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.453206] ? kasan_check_read+0x11/0x20 [ 338.457354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.462632] ? oom_evaluate_task+0x540/0x540 [ 338.467057] ? find_held_lock+0x36/0x1c0 [ 338.471125] ? out_of_memory+0x974/0x1430 [ 338.475278] ? lock_downgrade+0x900/0x900 [ 338.479448] ? check_preemption_disabled+0x48/0x280 [ 338.484470] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.489413] ? kasan_check_read+0x11/0x20 [ 338.493566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.498840] ? rcu_softirq_qs+0x20/0x20 [ 338.502854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.508394] ? oom_evaluate_task+0x302/0x540 [ 338.512807] out_of_memory+0xa84/0x1430 [ 338.516803] ? oom_killer_disable+0x3a0/0x3a0 [ 338.521300] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 338.526234] ? __ww_mutex_check_waiters+0x160/0x160 [ 338.531271] __alloc_pages_slowpath+0x2354/0x2e10 [ 338.536148] ? warn_alloc+0x120/0x120 [ 338.539998] ? warn_alloc+0x120/0x120 [ 338.543814] ? warn_alloc+0x120/0x120 [ 338.547642] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.552760] ? print_usage_bug+0xc0/0xc0 [ 338.556824] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.561406] ? print_usage_bug+0xc0/0xc0 [ 338.565480] ? print_usage_bug+0xc0/0xc0 [ 338.569549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.575087] ? should_fail+0x22d/0xd01 [ 338.578980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.584273] ? zap_class+0x640/0x640 [ 338.588010] ? __lock_is_held+0xb5/0x140 [ 338.592078] ? zap_class+0x640/0x640 [ 338.595810] ? lock_release+0xa00/0xa00 [ 338.599799] ? perf_trace_sched_process_exec+0x860/0x860 [ 338.605245] ? check_preemption_disabled+0x48/0x280 [ 338.610268] ? __might_sleep+0x95/0x190 [ 338.614248] __alloc_pages_nodemask+0xa80/0xde0 [ 338.618919] ? zap_class+0x640/0x640 [ 338.622636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 338.627664] ? mark_held_locks+0xc7/0x130 [ 338.631815] ? cache_grow_begin+0x65/0x8c0 [ 338.636064] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.640650] ? trace_hardirqs_on+0xbd/0x310 [ 338.644980] ? fallback_alloc+0x204/0x2e0 [ 338.649130] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.654244] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.661093] cache_grow_begin+0xa5/0x8c0 [ 338.665154] ? do_raw_spin_unlock+0xa7/0x330 [ 338.669575] fallback_alloc+0x204/0x2e0 [ 338.673559] ____cache_alloc_node+0x1c7/0x1e0 [ 338.678064] kmem_cache_alloc_node+0xe3/0x730 [ 338.682576] __alloc_skb+0x119/0x770 [ 338.686301] ? netdev_alloc_frag+0x1f0/0x1f0 [ 338.690716] ? if_nlmsg_size+0x5d1/0xbb0 [ 338.694789] ? rtnetlink_put_metrics+0x690/0x690 [ 338.699569] ? sk_psock_stop_strp+0x120/0x120 [ 338.704067] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 338.709088] ? netif_tx_stop_all_queues+0xd9/0x110 [ 338.714553] rtmsg_ifinfo_build_skb+0x74/0x190 [ 338.719593] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 338.724452] rtmsg_ifinfo+0x8c/0xa0 [ 338.728118] dev_close_many+0x3be/0x860 [ 338.732114] ? dev_fill_metadata_dst+0x840/0x840 [ 338.736887] ? find_held_lock+0x36/0x1c0 [ 338.740985] ? __queue_work+0x671/0x1440 [ 338.745048] ? lock_downgrade+0x900/0x900 [ 338.749233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.754770] ? rtnl_is_locked+0xb5/0xf0 [ 338.758744] ? rtnl_trylock+0x20/0x20 [ 338.762547] ? do_raw_spin_unlock+0xa7/0x330 [ 338.766980] ? do_raw_spin_trylock+0x270/0x270 [ 338.771587] rollback_registered_many+0x543/0x1250 [ 338.776529] ? generic_xdp_install+0x5a0/0x5a0 [ 338.781119] ? flush_rcu_work+0x90/0x90 [ 338.785111] ? zap_class+0x640/0x640 [ 338.788826] ? print_usage_bug+0xc0/0xc0 [ 338.792918] ? print_usage_bug+0xc0/0xc0 [ 338.797021] ? zap_class+0x640/0x640 [ 338.800753] ? print_usage_bug+0xc0/0xc0 [ 338.804832] ? find_held_lock+0x36/0x1c0 [ 338.808917] ? mark_held_locks+0xc7/0x130 [ 338.813070] rollback_registered+0x1e9/0x420 [ 338.817481] ? lockdep_hardirqs_on+0x321/0x5b0 [ 338.822063] ? rollback_registered_many+0x1250/0x1250 [ 338.827251] ? trace_hardirqs_on+0xbd/0x310 [ 338.831577] ? linkwatch_schedule_work+0x150/0x170 [ 338.836507] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.841615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.847155] ? rtnl_is_locked+0xb5/0xf0 [ 338.851125] ? rtnl_trylock+0x20/0x20 [ 338.854926] ? queue_delayed_work_on+0x130/0x1f0 [ 338.859693] unregister_netdevice_queue+0x321/0x5e0 [ 338.864725] ? rollback_registered+0x420/0x420 [ 338.869324] ? linkwatch_schedule_work+0x170/0x170 [ 338.874270] ? tun_setup+0x2d0/0x2d0 [ 338.877995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.883541] ? netif_set_real_num_tx_queues+0x10d/0x710 [ 338.888942] ? __tun_detach+0x6ba/0x15c0 [ 338.893016] __tun_detach+0x11b8/0x15c0 [ 338.896987] ? __call_rcu.constprop.55+0x3ea/0x950 [ 338.901923] ? __call_rcu.constprop.55+0x3ea/0x950 [ 338.906861] ? tun_attach+0x1900/0x1900 [ 338.910848] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.915985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.921523] ? check_preemption_disabled+0x48/0x280 [ 338.926536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.931142] ? zap_class+0x640/0x640 [ 338.934858] ? fsnotify+0x4e5/0xf20 [ 338.938488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.944028] ? locks_remove_file+0x3c6/0x5c0 [ 338.948451] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 338.954007] ? ima_file_free+0x132/0x650 [ 338.958100] ? __lock_is_held+0xb5/0x140 [ 338.962171] ? __tun_detach+0x15c0/0x15c0 [ 338.966328] ? __tun_detach+0x15c0/0x15c0 [ 338.970505] tun_chr_close+0xe3/0x180 [ 338.974308] __fput+0x385/0xa30 [ 338.977617] ? get_max_files+0x20/0x20 [ 338.981516] ? perf_trace_sched_process_exec+0x860/0x860 [ 338.986997] ____fput+0x15/0x20 [ 338.990285] task_work_run+0x1e8/0x2a0 [ 338.994180] ? task_work_cancel+0x240/0x240 [ 338.998509] ? switch_task_namespaces+0xb8/0xd0 [ 339.003187] do_exit+0x1ad6/0x26d0 [ 339.006770] ? mm_update_next_owner+0x990/0x990 [ 339.011450] ? print_usage_bug+0xc0/0xc0 [ 339.015522] ? find_held_lock+0x36/0x1c0 [ 339.019610] ? mark_held_locks+0x130/0x130 [ 339.023869] ? __lock_acquire+0x62f/0x4c20 [ 339.028114] ? pipe_wait+0x266/0x2c0 [ 339.031850] ? lock_release+0xa00/0xa00 [ 339.035860] ? mark_held_locks+0x130/0x130 [ 339.040121] ? __mutex_lock+0x85e/0x16f0 [ 339.044181] ? __switch_to_asm+0x40/0x70 [ 339.048243] ? pipe_wait+0x266/0x2c0 [ 339.051960] ? __switch_to_asm+0x34/0x70 [ 339.056034] ? __switch_to_asm+0x40/0x70 [ 339.060102] ? mutex_trylock+0x2b0/0x2b0 [ 339.064194] ? zap_class+0x640/0x640 [ 339.067941] ? zap_class+0x640/0x640 [ 339.071665] ? find_held_lock+0x36/0x1c0 [ 339.075739] ? memset+0x31/0x40 [ 339.079031] ? find_held_lock+0x36/0x1c0 [ 339.083102] ? get_signal+0x95b/0x1980 [ 339.086990] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.091483] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.095989] do_group_exit+0x177/0x440 [ 339.099896] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.105101] ? __ia32_sys_exit+0x50/0x50 [ 339.109174] get_signal+0x8b0/0x1980 [ 339.112899] ? ptrace_notify+0x130/0x130 [ 339.116988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.122547] ? pipe_read+0x702/0x940 [ 339.126263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.131832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.137371] ? __vfs_read+0x11f/0x9b0 [ 339.141181] do_signal+0x9c/0x21c0 [ 339.144724] ? fsnotify+0xf20/0xf20 [ 339.148372] ? setup_sigcontext+0x7d0/0x7d0 [ 339.152702] ? exit_to_usermode_loop+0x8c/0x380 [ 339.157378] ? exit_to_usermode_loop+0x8c/0x380 [ 339.162068] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 339.166659] ? trace_hardirqs_on+0xbd/0x310 [ 339.170986] ? do_syscall_64+0x6be/0x820 [ 339.175054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.180603] exit_to_usermode_loop+0x2e5/0x380 [ 339.185188] ? __bpf_trace_sys_exit+0x30/0x30 [ 339.189699] do_syscall_64+0x6be/0x820 [ 339.193585] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 339.198974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.203908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.208761] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.213786] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.218813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.223662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.228848] RIP: 0033:0x410fa0 [ 339.232059] Code: Bad RIP value. [ 339.235420] RSP: 002b:00007fffdb160f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 339.243164] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0 [ 339.250447] RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9 [ 339.257721] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 339.264993] R10: 000000000070b660 R11: 0000000000000246 R12: 000000000000001b [ 339.272280] R13: 000000000002bb1a R14: 0000000000000081 R15: 0000000000000005 [ 339.279611] CPU: 0 PID: 11933 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #145 [ 339.279680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 339.286975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.286980] Call Trace: [ 339.286985] [ 339.287004] dump_stack+0x244/0x39d [ 339.287021] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.293600] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.302876] warn_alloc.cold.116+0xb7/0x1bd [ 339.305429] syz-executor5 cpuset=syz5 mems_allowed=0 [ 339.307611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.341079] ? lock_downgrade+0x900/0x900 [ 339.345233] ? trace_hardirqs_off+0xb8/0x310 [ 339.349648] ? trace_hardirqs_off+0xb8/0x310 [ 339.354063] __alloc_pages_slowpath+0x26e8/0x2e10 [ 339.358929] ? warn_alloc+0x120/0x120 [ 339.362759] ? print_usage_bug+0xc0/0xc0 [ 339.366823] ? warn_alloc+0x120/0x120 [ 339.370628] ? warn_alloc+0x120/0x120 [ 339.374468] ? print_usage_bug+0xc0/0xc0 [ 339.378552] ? print_usage_bug+0xc0/0xc0 [ 339.382613] ? __lock_acquire+0x62f/0x4c20 [ 339.386851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.392386] ? should_fail+0x22d/0xd01 [ 339.396273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.401378] ? __lock_acquire+0x62f/0x4c20 [ 339.405641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.410746] ? __lock_acquire+0x62f/0x4c20