0 [ 643.053253] irq_exit+0x17f/0x1c0 [ 643.056727] smp_apic_timer_interrupt+0x1cb/0x760 [ 643.061609] ? smp_reschedule_interrupt+0x109/0x650 [ 643.066654] ? smp_call_function_single_interrupt+0x650/0x650 [ 643.072554] ? interrupt_entry+0xb5/0xc0 [ 643.076646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.081663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.086681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.091523] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.096537] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.101570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.106438] apic_timer_interrupt+0xf/0x20 [ 643.110666] </IRQ> [ 643.112904] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 643.118790] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 643.137699] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 643.145423] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 643.152697] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 643.159962] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 643.167235] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 643.174515] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 643.181809] ? save_stack+0xa9/0xd0 [ 643.185472] __kmalloc_node_track_caller+0x3c/0x70 [ 643.190445] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 643.195208] pskb_expand_head+0x230/0x10f0 [ 643.199458] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 643.204930] ? memcpy+0x45/0x50 [ 643.208207] ? __copy_skb_header+0x350/0x6b0 [ 643.212614] ? skb_release_data+0x880/0x880 [ 643.216979] ? __alloc_skb+0x770/0x770 [ 643.220874] ? __lock_is_held+0xb5/0x140 [ 643.224956] ? kasan_check_write+0x14/0x20 [ 643.229188] ? __skb_clone+0x6c7/0xa00 [ 643.233095] ? __copy_skb_header+0x6b0/0x6b0 [ 643.237500] ? kmem_cache_alloc+0x33a/0x730 [ 643.241826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.247372] skb_ensure_writable+0x3dd/0x640 [ 643.251787] ? skb_checksum_setup+0xaa0/0xaa0 [ 643.256291] ? preempt_notifier_register+0x200/0x200 [ 643.261391] ? __switch_to_asm+0x34/0x70 [ 643.265455] ? __switch_to_asm+0x34/0x70 [ 643.269515] ? __switch_to_asm+0x40/0x70 [ 643.273585] ? __switch_to_asm+0x34/0x70 [ 643.277640] ? __switch_to_asm+0x40/0x70 [ 643.281697] ? __switch_to_asm+0x40/0x70 [ 643.285770] ? __switch_to_asm+0x34/0x70 [ 643.289842] ? __switch_to_asm+0x34/0x70 [ 643.293899] ? __switch_to_asm+0x40/0x70 [ 643.297961] ? __switch_to_asm+0x34/0x70 [ 643.302037] bpf_clone_redirect+0x14a/0x490 [ 643.306386] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 643.311423] ? __sched_text_start+0x8/0x8 [ 643.315567] ? retint_kernel+0x2d/0x2d [ 643.319476] ? find_held_lock+0x36/0x1c0 [ 643.323553] ? lock_acquire+0x1ed/0x520 [ 643.327522] ? bpf_test_run+0x3cb/0x780 [ 643.331496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.337038] ? check_preemption_disabled+0x48/0x280 [ 643.342063] ? kasan_check_read+0x11/0x20 [ 643.346226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 643.351503] ? rcu_softirq_qs+0x20/0x20 [ 643.355498] ? preempt_schedule+0x4d/0x60 [ 643.359648] ? ___preempt_schedule+0x16/0x18 [ 643.364069] ? bpf_test_run+0x25d/0x780 [ 643.368059] ? netlink_diag_dump+0x2a0/0x2a0 [ 643.372470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.378007] ? bpf_test_init.isra.10+0x70/0x100 [ 643.382690] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 643.387455] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 643.392297] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 643.397833] ? fput+0x130/0x1a0 [ 643.401132] ? __bpf_prog_get+0x9b/0x290 [ 643.405194] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 643.410039] ? bpf_prog_test_run+0x130/0x1a0 [ 643.414466] ? __x64_sys_bpf+0x3d8/0x520 [ 643.418525] ? bpf_prog_get+0x20/0x20 [ 643.422344] ? do_syscall_64+0x1b9/0x820 [ 643.426418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 643.431788] ? syscall_return_slowpath+0x5e0/0x5e0 [ 643.436735] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.441801] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 643.446846] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 643.453508] ? __switch_to_asm+0x40/0x70 [ 643.457565] ? __switch_to_asm+0x34/0x70 [ 643.461631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.466477] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 643.471855] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 643.471946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 643.478866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 643.478887] Call Trace: [ 643.478893] <IRQ> [ 643.478910] dump_stack+0x244/0x39d [ 643.478928] ? dump_stack_print_info.cold.1+0x20/0x20 [ 643.485487] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 643.494770] warn_alloc.cold.116+0xb7/0x1bd [ 643.497322] syz-executor3 cpuset=syz3 mems_allowed=0 [ 643.499464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 643.533045] ? lock_downgrade+0x900/0x900 [ 643.537217] ? trace_hardirqs_off+0xb8/0x310 [ 643.541623] ? trace_hardirqs_off+0xb8/0x310 [ 643.546031] __alloc_pages_slowpath+0x2651/0x2de0 [ 643.550896] ? warn_alloc+0x120/0x120 [ 643.554695] ? print_usage_bug+0xc0/0xc0 [ 643.558776] ? warn_alloc+0x120/0x120 [ 643.562581] ? warn_alloc+0x120/0x120 [ 643.566383] ? print_usage_bug+0xc0/0xc0 [ 643.570463] ? print_usage_bug+0xc0/0xc0 [ 643.574535] ? __lock_acquire+0x62f/0x4c20 [ 643.578783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.584342] ? should_fail+0x22d/0xd01 [ 643.588257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 643.593370] ? __lock_acquire+0x62f/0x4c20 [ 643.597611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 643.602714] ? __lock_acquire+0x62f/0x4c20 [ 643.606989] ? should_fail+0x22d/0xd01 [ 643.610876] ? find_held_lock+0x36/0x1c0 [ 643.614959] ? mark_held_locks+0x130/0x130 [ 643.619196] ? mark_held_locks+0x130/0x130 [ 643.623430] ? zap_class+0x640/0x640 [ 643.627161] ? zap_class+0x640/0x640 [ 643.630876] ? print_usage_bug+0xc0/0xc0 [ 643.634937] ? do_raw_spin_unlock+0xa7/0x330 [ 643.639357] ? zap_class+0x640/0x640 [ 643.643098] ? print_usage_bug+0xc0/0xc0 [ 643.647159] ? wq_watchdog_touch+0x9c/0xfe [ 643.651410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.656948] ? check_preemption_disabled+0x48/0x280 [ 643.661971] ? __lock_is_held+0xb5/0x140 [ 643.666036] __alloc_pages_nodemask+0xad8/0xea0 [ 643.670704] ? zap_class+0x640/0x640 [ 643.674458] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 643.679487] ? find_held_lock+0x36/0x1c0 [ 643.683566] ? ____cache_alloc_node+0x1c7/0x1e0 [ 643.688234] ? lock_downgrade+0x900/0x900 [ 643.692395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.697947] cache_grow_begin+0xa5/0x8c0 [ 643.702023] ? do_raw_spin_unlock+0xa7/0x330 [ 643.706442] fallback_alloc+0x204/0x2e0 [ 643.710428] ____cache_alloc_node+0x1c7/0x1e0 [ 643.714935] kmem_cache_alloc_node+0xe3/0x730 [ 643.719435] ? ipv6_get_ifaddr+0x42e/0x620 [ 643.723681] __alloc_skb+0x119/0x770 [ 643.727397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 643.732683] ? netdev_alloc_frag+0x1f0/0x1f0 [ 643.737091] ? lock_downgrade+0x900/0x900 [ 643.741245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.746790] ? refcount_sub_and_test_checked+0x203/0x310 [ 643.752244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 643.757702] ? addrconf_rs_timer+0x690/0x690 [ 643.762122] ndisc_alloc_skb+0x144/0x340 [ 643.766188] ndisc_send_rs+0x331/0x6e0 [ 643.770097] addrconf_rs_timer+0x314/0x690 [ 643.774341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 643.778586] call_timer_fn+0x272/0x920 [ 643.782479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 643.786718] ? process_timeout+0x40/0x40 [ 643.790790] ? mark_held_locks+0xc7/0x130 [ 643.794945] ? _raw_spin_unlock_irq+0x27/0x80 [ 643.799437] ? _raw_spin_unlock_irq+0x27/0x80 [ 643.803936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 643.808171] ? lockdep_hardirqs_on+0x296/0x5b0 [ 643.812755] ? trace_hardirqs_on+0xbd/0x310 [ 643.817077] ? kasan_check_read+0x11/0x20 [ 643.821222] ? __run_timers+0x7da/0xc70 [ 643.825199] ? trace_hardirqs_off_caller+0x310/0x310 [ 643.830320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 643.834566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 643.838800] __run_timers+0x7e5/0xc70 [ 643.842615] ? timer_fixup_init+0x70/0x70 [ 643.846767] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 643.851782] ? zap_class+0x640/0x640 [ 643.855503] ? print_usage_bug+0xc0/0xc0 [ 643.859569] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 643.864765] ? find_held_lock+0x36/0x1c0 [ 643.868831] ? zap_class+0x640/0x640 [ 643.872557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.878097] ? check_preemption_disabled+0x48/0x280 [ 643.883127] ? __lock_is_held+0xb5/0x140 [ 643.887194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.892752] ? check_preemption_disabled+0x48/0x280 [ 643.897777] run_timer_softirq+0x52/0xb0 [ 643.901844] ? rcu_read_lock_sched_held+0x14f/0x180 [ 643.906861] __do_softirq+0x308/0xb7e [ 643.910665] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 643.915163] ? lock_downgrade+0x900/0x900 [ 643.919319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 643.924431] ? pvclock_read_flags+0x160/0x160 [ 643.928927] ? lapic_next_event+0x5a/0x90 [ 643.933083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.938629] ? kvm_clock_read+0x18/0x30 [ 643.942601] ? kvm_sched_clock_read+0x9/0x20 [ 643.947010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.952556] ? check_preemption_disabled+0x48/0x280 [ 643.957585] irq_exit+0x17f/0x1c0 [ 643.961038] smp_apic_timer_interrupt+0x1cb/0x760 [ 643.966091] ? smp_call_function_single_interrupt+0x159/0x650 [ 643.971979] ? smp_call_function_single_interrupt+0x650/0x650 [ 643.977863] ? interrupt_entry+0xb5/0xc0 [ 643.981925] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.986974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.992025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.996871] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.001884] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.006901] ? task_prio+0x50/0x50 [ 644.010443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.015981] ? check_preemption_disabled+0x48/0x280 [ 644.021009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.025876] apic_timer_interrupt+0xf/0x20 [ 644.030104] </IRQ> [ 644.032340] RIP: 0010:rcu_is_watching+0x0/0x30 [ 644.036922] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 644.055852] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 644.063560] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 644.070829] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 644.078094] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 644.085360] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 644.092618] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 644.099898] ? list_lru_count_one+0x253/0x450 [ 644.104434] ? list_lru_count_one+0x35d/0x450 [ 644.108959] ? list_lru_count_one+0x362/0x450 [ 644.113464] ? list_lru_isolate_move+0x3c0/0x3c0 [ 644.118273] ? shmem_free_inode+0xd0/0xd0 [ 644.122424] ? __lock_is_held+0xb5/0x140 [ 644.126514] super_cache_count+0x1b9/0x2e0 [ 644.130758] do_shrink_slab+0x1b1/0xd30 [ 644.134742] ? snapshot_refaults+0x290/0x290 [ 644.139164] ? lock_release+0xa00/0xa00 [ 644.143160] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 644.148103] ? down_read_trylock+0xda/0x140 [ 644.152453] ? shrink_slab+0x207/0x8c0 [ 644.156345] ? downgrade_write+0x270/0x270 [ 644.160593] shrink_slab+0x389/0x8c0 [ 644.164319] ? shrink_active_list+0x1f00/0x1f00 [ 644.169010] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 644.174655] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 644.179767] ? cgroup_procs_write_finish+0xf0/0xf0 [ 644.184703] ? find_held_lock+0x36/0x1c0 [ 644.188774] shrink_node+0x431/0x16b0 [ 644.192583] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 644.197894] ? shrink_node_memcg+0x18f0/0x18f0 [ 644.202489] ? kvm_clock_read+0x18/0x30 [ 644.206467] ? ktime_get+0x2c1/0x400 [ 644.210191] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 644.214692] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 644.220234] ? __cpuset_node_allowed+0x19b/0x660 [ 644.225003] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 644.230729] ? delayacct_end+0x5a/0x100 [ 644.234713] do_try_to_free_pages+0x3e7/0x1290 [ 644.239305] ? zap_class+0x640/0x640 [ 644.243035] ? shrink_node+0x16b0/0x16b0 [ 644.247099] ? __lock_is_held+0xb5/0x140 [ 644.251218] try_to_free_pages+0x4d0/0xb90 [ 644.255472] ? do_try_to_free_pages+0x1290/0x1290 [ 644.260329] ? lock_acquire+0x1ed/0x520 [ 644.264305] ? set_page_refcounted+0x280/0x280 [ 644.268895] ? lock_release+0xa00/0xa00 [ 644.272887] ? _raw_spin_unlock_irq+0x60/0x80 [ 644.277383] ? psi_memstall_enter+0x240/0x2b0 [ 644.281879] ? psi_memstall_tick+0x230/0x230 [ 644.286320] __alloc_pages_slowpath+0xa48/0x2de0 [ 644.291120] ? warn_alloc+0x120/0x120 [ 644.294921] ? mark_held_locks+0x130/0x130 [ 644.299164] ? find_get_entry+0xaae/0x1120 [ 644.303407] ? filemap_map_pages+0x1a20/0x1a20 [ 644.307995] ? zap_class+0x640/0x640 [ 644.311719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.317297] ? check_preemption_disabled+0x48/0x280 [ 644.322333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.327875] ? should_fail+0x22d/0xd01 [ 644.331780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 644.336885] ? zap_class+0x640/0x640 [ 644.340646] ? __lock_is_held+0xb5/0x140 [ 644.344717] ? mark_held_locks+0x130/0x130 [ 644.348955] ? lock_release+0xa00/0xa00 [ 644.352931] ? perf_trace_sched_process_exec+0x860/0x860 [ 644.358394] ? xa_load+0x2ba/0x460 [ 644.361939] ? lock_downgrade+0x900/0x900 [ 644.366105] ? __might_sleep+0x95/0x190 [ 644.370087] __alloc_pages_nodemask+0xad8/0xea0 [ 644.374763] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 644.379787] ? __page_cache_alloc+0x191/0x5c0 [ 644.384296] ? xa_load+0x2e1/0x460 [ 644.387841] ? xa_clear_mark+0x40/0x40 [ 644.391730] ? zap_class+0x640/0x640 [ 644.395453] ? zap_class+0x640/0x640 [ 644.399165] ? zap_class+0x640/0x640 [ 644.402882] ? __do_page_cache_readahead+0x663/0x810 [ 644.408007] ? find_held_lock+0x36/0x1c0 [ 644.412091] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 644.417634] alloc_pages_current+0x173/0x350 [ 644.422069] __page_cache_alloc+0x38c/0x5c0 [ 644.426406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.431340] ? kasan_check_read+0x11/0x20 [ 644.435489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.440943] ? generic_perform_write+0x6a0/0x6a0 [ 644.445702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.451286] ? check_preemption_disabled+0x48/0x280 [ 644.456329] filemap_fault+0x1595/0x25f0 [ 644.460417] ? __lock_page_or_retry+0xa00/0xa00 [ 644.465087] ? mark_held_locks+0x130/0x130 [ 644.469349] ? filemap_map_pages+0xd6b/0x1a20 [ 644.473851] ? lock_downgrade+0x900/0x900 [ 644.478012] ? check_preemption_disabled+0x48/0x280 [ 644.483068] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.488013] ? kasan_check_read+0x11/0x20 [ 644.492190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.497466] ? rcu_softirq_qs+0x20/0x20 [ 644.501454] ? filemap_map_pages+0xd92/0x1a20 [ 644.505963] ? find_get_entries_tag+0x1400/0x1400 [ 644.510832] ? debug_object_destroy+0x2b0/0x2b0 [ 644.515516] ? lock_pi_update_atomic+0x150/0x150 [ 644.520288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.525883] ? lock_acquire+0x1ed/0x520 [ 644.529868] ? ext4_filemap_fault+0x7a/0xad [ 644.534236] ? lock_release+0xa00/0xa00 [ 644.538217] ? perf_trace_sched_process_exec+0x860/0x860 [ 644.543667] ? print_usage_bug+0xc0/0xc0 [ 644.547727] ? print_usage_bug+0xc0/0xc0 [ 644.551816] ? down_read+0x8d/0x120 [ 644.555441] ? ext4_filemap_fault+0x7a/0xad [ 644.559765] ? __down_interruptible+0x700/0x700 [ 644.564460] ext4_filemap_fault+0x82/0xad [ 644.568608] __do_fault+0x100/0x6b0 [ 644.572244] ? release_sock+0x1ec/0x2c0 [ 644.576225] ? pmd_devmap_trans_unstable+0x220/0x220 [ 644.581333] ? mark_held_locks+0x130/0x130 [ 644.585575] ? mark_held_locks+0x130/0x130 [ 644.589810] ? lock_sock_nested+0x9a/0x120 [ 644.594046] ? __release_sock+0x3a0/0x3a0 [ 644.598194] ? __local_bh_enable_ip+0x160/0x260 [ 644.602867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.608408] __handle_mm_fault+0x3ea0/0x5be0 [ 644.612825] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 644.617666] ? apparmor_socket_sendmsg+0x29/0x30 [ 644.622428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.627971] ? security_socket_sendmsg+0x94/0xc0 [ 644.632730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.638287] ? zap_class+0x640/0x640 [ 644.641999] ? zap_class+0x640/0x640 [ 644.645709] ? __x64_sys_futex+0x53e/0x6a0 [ 644.649948] ? find_held_lock+0x36/0x1c0 [ 644.654016] ? handle_mm_fault+0x42a/0xc70 [ 644.658254] ? lock_downgrade+0x900/0x900 [ 644.662410] ? check_preemption_disabled+0x48/0x280 [ 644.667432] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.672372] ? kasan_check_read+0x11/0x20 [ 644.676522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.681802] ? rcu_softirq_qs+0x20/0x20 [ 644.685780] ? trace_hardirqs_off_caller+0x310/0x310 [ 644.690887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.696428] ? check_preemption_disabled+0x48/0x280 [ 644.701451] handle_mm_fault+0x54f/0xc70 [ 644.705518] ? __handle_mm_fault+0x5be0/0x5be0 [ 644.710129] ? find_vma+0x34/0x190 [ 644.713679] __do_page_fault+0x5e8/0xe60 [ 644.717742] ? trace_hardirqs_off+0xb8/0x310 [ 644.722151] ? __ia32_sys_read+0xb0/0xb0 [ 644.726236] do_page_fault+0xf2/0x7e0 [ 644.730065] ? vmalloc_sync_all+0x30/0x30 [ 644.734216] ? error_entry+0x70/0xd0 [ 644.737929] ? trace_hardirqs_off_caller+0xbb/0x310 [ 644.742943] ? trace_hardirqs_on_caller+0xc0/0x310 [ 644.747867] ? syscall_return_slowpath+0x5e0/0x5e0 [ 644.752825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.757698] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.762715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 644.768181] ? prepare_exit_to_usermode+0x291/0x3b0 [ 644.773206] ? page_fault+0x8/0x30 [ 644.776762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.781634] ? page_fault+0x8/0x30 [ 644.785167] page_fault+0x1e/0x30 [ 644.788612] RIP: 0033:0x45ddf3 [ 644.791826] Code: Bad RIP value. [ 644.795180] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 644.800538] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 644.807829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 644.815095] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 644.822362] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 644.829627] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 644.836918] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 644.836924] warn_alloc_show_mem: 1 callbacks suppressed [ 644.836930] Mem-Info: [ 644.844197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 644.849562] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 644.849562] active_file:13 inactive_file:14 isolated_file:0 [ 644.849562] unevictable:0 dirty:0 writeback:0 unstable:0 [ 644.849562] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 644.849562] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 644.849562] free:13773 free_pcp:174 free_cma:0 [ 644.851935] Call Trace: [ 644.861325] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 644.894258] <IRQ> [ 644.896835] 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 [ 644.924334] dump_stack+0x244/0x39d [ 644.926455] lowmem_reserve[]: 0 2818 6321 6321 [ 644.952561] ? dump_stack_print_info.cold.1+0x20/0x20 [ 644.956162] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 644.960745] warn_alloc.cold.116+0xb7/0x1bd [ 644.965902] lowmem_reserve[]: 0 0 3503 3503 [ 644.993400] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 644.997708] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 645.002047] ? lock_downgrade+0x900/0x900 [ 645.006859] lowmem_reserve[]: 0 0 0 0 [ 645.035744] ? trace_hardirqs_off+0xb8/0x310 [ 645.039866] 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 [ 645.043663] ? trace_hardirqs_off+0xb8/0x310 [ 645.048043] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 645.061837] __alloc_pages_slowpath+0x2651/0x2de0 [ 645.066236] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 645.082232] ? warn_alloc+0x120/0x120 [ 645.087043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 645.100643] ? print_usage_bug+0xc0/0xc0 [ 645.104423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 645.113245] ? warn_alloc+0x120/0x120 [ 645.117289] 271 total pagecache pages [ 645.125854] ? warn_alloc+0x120/0x120 [ 645.129638] 0 pages in swap cache [ 645.133424] ? print_usage_bug+0xc0/0xc0 [ 645.137220] Swap cache stats: add 0, delete 0, find 0/0 [ 645.140664] ? kvm_clock_read+0x18/0x30 [ 645.144700] Free swap = 0kB [ 645.150063] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 645.154013] Total swap = 0kB [ 645.157040] ? print_usage_bug+0xc0/0xc0 [ 645.162025] 1965979 pages RAM [ 645.165057] ? __lock_acquire+0x62f/0x4c20 [ 645.169092] 0 pages HighMem/MovableOnly [ 645.172211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.176425] 342854 pages reserved [ 645.180394] ? should_fail+0x22d/0xd01 [ 645.185907] 0 pages cma reserved [ 645.189357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 645.193324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 645.196583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.202781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 645.208340] ? __lock_acquire+0x62f/0x4c20 [ 645.213419] syz-fuzzer cpuset=/ mems_allowed=0 [ 645.223642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.237512] ? __lock_acquire+0x62f/0x4c20 [ 645.241760] ? should_fail+0x22d/0xd01 [ 645.245665] ? rcu_irq_exit+0x1a2/0x390 [ 645.249676] ? mark_held_locks+0x130/0x130 [ 645.253928] ? mark_held_locks+0x130/0x130 [ 645.258186] ? mark_held_locks+0xc7/0x130 [ 645.262332] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 645.267363] ? zap_class+0x640/0x640 [ 645.271093] ? print_usage_bug+0xc0/0xc0 [ 645.275157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.280696] ? check_preemption_disabled+0x48/0x280 [ 645.285721] ? __lock_is_held+0xb5/0x140 [ 645.289803] __alloc_pages_nodemask+0xad8/0xea0 [ 645.294471] ? zap_class+0x640/0x640 [ 645.298190] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 645.303216] ? find_held_lock+0x36/0x1c0 [ 645.307295] ? ____cache_alloc_node+0x1c7/0x1e0 [ 645.311969] ? lock_downgrade+0x900/0x900 [ 645.316156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.321697] cache_grow_begin+0xa5/0x8c0 [ 645.325755] ? do_raw_spin_unlock+0xa7/0x330 [ 645.330186] fallback_alloc+0x204/0x2e0 [ 645.334182] ____cache_alloc_node+0x1c7/0x1e0 [ 645.338698] kmem_cache_alloc_node+0xe3/0x730 [ 645.343195] ? ipv6_get_ifaddr+0x42e/0x620 [ 645.347445] __alloc_skb+0x119/0x770 [ 645.351163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 645.356442] ? netdev_alloc_frag+0x1f0/0x1f0 [ 645.360869] ? lock_downgrade+0x900/0x900 [ 645.365031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.370583] ? refcount_sub_and_test_checked+0x203/0x310 [ 645.376043] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 645.381494] ? addrconf_rs_timer+0x690/0x690 [ 645.385915] ndisc_alloc_skb+0x144/0x340 [ 645.389985] ndisc_send_rs+0x331/0x6e0 [ 645.393877] addrconf_rs_timer+0x314/0x690 [ 645.398136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.402424] call_timer_fn+0x272/0x920 [ 645.406312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.410545] ? process_timeout+0x40/0x40 [ 645.414618] ? __run_timers+0x7da/0xc70 [ 645.418596] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.423093] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.427587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.431824] ? lockdep_hardirqs_on+0x296/0x5b0 [ 645.436408] ? trace_hardirqs_on+0xbd/0x310 [ 645.440733] ? kasan_check_read+0x11/0x20 [ 645.444878] ? __run_timers+0x7da/0xc70 [ 645.448856] ? trace_hardirqs_off_caller+0x310/0x310 [ 645.453964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.458221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.462453] __run_timers+0x7e5/0xc70 [ 645.466287] ? timer_fixup_init+0x70/0x70 [ 645.470441] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 645.475460] ? zap_class+0x640/0x640 [ 645.479181] ? enqueue_hrtimer+0x1a5/0x560 [ 645.483419] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 645.488617] ? find_held_lock+0x36/0x1c0 [ 645.492687] ? zap_class+0x640/0x640 [ 645.496404] ? pvclock_read_flags+0x160/0x160 [ 645.500900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.506461] ? check_preemption_disabled+0x48/0x280 [ 645.511489] ? __lock_is_held+0xb5/0x140 [ 645.515549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.521087] ? check_preemption_disabled+0x48/0x280 [ 645.526122] run_timer_softirq+0x52/0xb0 [ 645.530184] ? rcu_read_lock_sched_held+0x14f/0x180 [ 645.535206] __do_softirq+0x308/0xb7e [ 645.539012] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 645.543524] ? lock_downgrade+0x900/0x900 [ 645.547693] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 645.552803] ? pvclock_read_flags+0x160/0x160 [ 645.557303] ? lapic_next_event+0x5a/0x90 [ 645.561453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.566996] ? kvm_clock_read+0x18/0x30 [ 645.570980] ? kvm_sched_clock_read+0x9/0x20 [ 645.575391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.580933] ? check_preemption_disabled+0x48/0x280 [ 645.585959] irq_exit+0x17f/0x1c0 [ 645.589418] smp_apic_timer_interrupt+0x1cb/0x760 [ 645.594271] ? smp_reschedule_interrupt+0x109/0x650 [ 645.599315] ? smp_call_function_single_interrupt+0x650/0x650 [ 645.605216] ? interrupt_entry+0xb5/0xc0 [ 645.609288] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.614306] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.619329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.624174] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.629189] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.634271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.639124] apic_timer_interrupt+0xf/0x20 [ 645.643354] </IRQ> [ 645.645600] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 645.651488] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 645.670389] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 645.678096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 645.685411] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 645.692675] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 645.699960] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 645.707241] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 645.714558] ? save_stack+0xa9/0xd0 [ 645.718202] __kmalloc_node_track_caller+0x3c/0x70 [ 645.723154] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 645.727932] pskb_expand_head+0x230/0x10f0 [ 645.732170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 645.737627] ? memcpy+0x45/0x50 [ 645.740913] ? __copy_skb_header+0x350/0x6b0 [ 645.745326] ? skb_release_data+0x880/0x880 [ 645.749650] ? __alloc_skb+0x770/0x770 [ 645.753548] ? __lock_is_held+0xb5/0x140 [ 645.757622] ? kasan_check_write+0x14/0x20 [ 645.762299] ? __skb_clone+0x6c7/0xa00 [ 645.766210] ? __copy_skb_header+0x6b0/0x6b0 [ 645.770617] ? kmem_cache_alloc+0x33a/0x730 [ 645.774944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.780495] skb_ensure_writable+0x3dd/0x640 [ 645.784910] ? skb_checksum_setup+0xaa0/0xaa0 [ 645.789410] ? preempt_notifier_register+0x200/0x200 [ 645.794514] ? __switch_to_asm+0x34/0x70 [ 645.798578] ? __switch_to_asm+0x34/0x70 [ 645.802648] ? __switch_to_asm+0x40/0x70 [ 645.806706] ? __switch_to_asm+0x34/0x70 [ 645.810768] ? __switch_to_asm+0x40/0x70 [ 645.814831] ? __switch_to_asm+0x40/0x70 [ 645.818893] ? __switch_to_asm+0x34/0x70 [ 645.822953] ? __switch_to_asm+0x34/0x70 [ 645.827013] ? __switch_to_asm+0x40/0x70 [ 645.831079] ? __switch_to_asm+0x34/0x70 [ 645.835147] bpf_clone_redirect+0x14a/0x490 [ 645.839478] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 645.844502] ? __sched_text_start+0x8/0x8 [ 645.848656] ? retint_kernel+0x2d/0x2d [ 645.852553] ? find_held_lock+0x36/0x1c0 [ 645.856624] ? lock_acquire+0x1ed/0x520 [ 645.860601] ? bpf_test_run+0x3cb/0x780 [ 645.864577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.870118] ? check_preemption_disabled+0x48/0x280 [ 645.875141] ? kasan_check_read+0x11/0x20 [ 645.879303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 645.884581] ? rcu_softirq_qs+0x20/0x20 [ 645.888563] ? preempt_schedule+0x4d/0x60 [ 645.892713] ? ___preempt_schedule+0x16/0x18 [ 645.897134] ? bpf_test_run+0x25d/0x780 [ 645.901125] ? netlink_diag_dump+0x2a0/0x2a0 [ 645.905539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.911079] ? bpf_test_init.isra.10+0x70/0x100 [ 645.915755] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 645.920523] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 645.925370] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 645.930913] ? fput+0x130/0x1a0 [ 645.934200] ? __bpf_prog_get+0x9b/0x290 [ 645.938293] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 645.943146] ? bpf_prog_test_run+0x130/0x1a0 [ 645.947563] ? __x64_sys_bpf+0x3d8/0x520 [ 645.951625] ? bpf_prog_get+0x20/0x20 [ 645.955446] ? do_syscall_64+0x1b9/0x820 [ 645.959511] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 645.965016] ? syscall_return_slowpath+0x5e0/0x5e0 [ 645.969976] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.974997] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 645.980024] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 645.986697] ? __switch_to_asm+0x40/0x70 [ 645.990783] ? __switch_to_asm+0x34/0x70 [ 645.994852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.999703] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.005106] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 646.005217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 646.012119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.012128] Call Trace: [ 646.018694] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 646.027954] <IRQ> [ 646.030535] syz-executor3 cpuset=syz3 mems_allowed=0 [ 646.041016] dump_stack+0x244/0x39d [ 646.051878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 646.057081] warn_alloc.cold.116+0xb7/0x1bd [ 646.061407] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 646.066258] ? lock_downgrade+0x900/0x900 [ 646.070426] ? trace_hardirqs_off+0xb8/0x310 [ 646.074873] ? trace_hardirqs_off+0xb8/0x310 [ 646.079297] __alloc_pages_slowpath+0x2651/0x2de0 [ 646.084171] ? warn_alloc+0x120/0x120 [ 646.087997] ? warn_alloc+0x120/0x120 [ 646.091804] ? warn_alloc+0x120/0x120 [ 646.095613] ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40 [ 646.100984] ? print_usage_bug+0xc0/0xc0 [ 646.105048] ? is_bpf_text_address+0xac/0x170 [ 646.109563] ? print_usage_bug+0xc0/0xc0 [ 646.113656] ? kasan_check_read+0x11/0x20 [ 646.117807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.123357] ? should_fail+0x22d/0xd01 [ 646.127262] ? rcu_softirq_qs+0x20/0x20 [ 646.131252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.136384] ? __lock_acquire+0x62f/0x4c20 [ 646.140640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.145744] ? __lock_acquire+0x62f/0x4c20 [ 646.149975] ? should_fail+0x22d/0xd01 [ 646.153874] ? mark_held_locks+0x130/0x130 [ 646.158116] ? mark_held_locks+0x130/0x130 [ 646.162372] ? try_to_wake_up+0x11c/0x1490 [ 646.166607] ? lock_downgrade+0x900/0x900 [ 646.170760] ? save_stack_trace+0x1a/0x20 [ 646.174925] ? zap_class+0x640/0x640 [ 646.178651] ? print_usage_bug+0xc0/0xc0 [ 646.182728] ? trace_hardirqs_off+0xb8/0x310 [ 646.187144] ? kasan_check_read+0x11/0x20 [ 646.191313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.196868] ? check_preemption_disabled+0x48/0x280 [ 646.201902] ? __lock_is_held+0xb5/0x140 [ 646.205986] __alloc_pages_nodemask+0xad8/0xea0 [ 646.210674] ? zap_class+0x640/0x640 [ 646.214429] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 646.219481] ? find_held_lock+0x36/0x1c0 [ 646.223557] ? ____cache_alloc_node+0x1c7/0x1e0 [ 646.228232] ? lock_downgrade+0x900/0x900 [ 646.232394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.237938] cache_grow_begin+0xa5/0x8c0 [ 646.242016] ? do_raw_spin_unlock+0xa7/0x330 [ 646.246433] fallback_alloc+0x204/0x2e0 [ 646.250416] ____cache_alloc_node+0x1c7/0x1e0 [ 646.254927] kmem_cache_alloc_node+0xe3/0x730 [ 646.259426] ? ipv6_get_ifaddr+0x42e/0x620 [ 646.263678] __alloc_skb+0x119/0x770 [ 646.267392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 646.272677] ? netdev_alloc_frag+0x1f0/0x1f0 [ 646.277085] ? lock_downgrade+0x900/0x900 [ 646.281242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.286788] ? refcount_sub_and_test_checked+0x203/0x310 [ 646.292246] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 646.297709] ? addrconf_rs_timer+0x690/0x690 [ 646.302132] ndisc_alloc_skb+0x144/0x340 [ 646.306198] ndisc_send_rs+0x331/0x6e0 [ 646.310103] addrconf_rs_timer+0x314/0x690 [ 646.314355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 646.318618] call_timer_fn+0x272/0x920 [ 646.322507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 646.326746] ? process_timeout+0x40/0x40 [ 646.330840] ? mark_held_locks+0xc7/0x130 [ 646.334994] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.339489] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.343982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 646.348221] ? lockdep_hardirqs_on+0x296/0x5b0 [ 646.352810] ? trace_hardirqs_on+0xbd/0x310 [ 646.357134] ? kasan_check_read+0x11/0x20 [ 646.361288] ? __run_timers+0x7da/0xc70 [ 646.365264] ? trace_hardirqs_off_caller+0x310/0x310 [ 646.370392] ? __queue_work+0x1440/0x1440 [ 646.374550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 646.378787] __run_timers+0x7e5/0xc70 [ 646.382600] ? timer_fixup_init+0x70/0x70 [ 646.386767] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 646.391831] ? zap_class+0x640/0x640 [ 646.395569] ? print_usage_bug+0xc0/0xc0 [ 646.399633] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 646.404831] ? find_held_lock+0x36/0x1c0 [ 646.408898] ? zap_class+0x640/0x640 [ 646.412621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.418158] ? check_preemption_disabled+0x48/0x280 [ 646.423229] ? __lock_is_held+0xb5/0x140 [ 646.427300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.432855] ? check_preemption_disabled+0x48/0x280 [ 646.437886] run_timer_softirq+0x52/0xb0 [ 646.441950] ? rcu_read_lock_sched_held+0x14f/0x180 [ 646.446974] __do_softirq+0x308/0xb7e [ 646.450810] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 646.455324] ? lock_downgrade+0x900/0x900 [ 646.459478] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 646.464594] ? pvclock_read_flags+0x160/0x160 [ 646.469097] ? lapic_next_event+0x5a/0x90 [ 646.473252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.478802] ? kvm_clock_read+0x18/0x30 [ 646.482777] ? kvm_sched_clock_read+0x9/0x20 [ 646.487186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.492723] ? check_preemption_disabled+0x48/0x280 [ 646.497750] irq_exit+0x17f/0x1c0 [ 646.501206] smp_apic_timer_interrupt+0x1cb/0x760 [ 646.506053] ? smp_call_function_single_interrupt+0x159/0x650 [ 646.511941] ? smp_call_function_single_interrupt+0x650/0x650 [ 646.517824] ? interrupt_entry+0xb5/0xc0 [ 646.521887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 646.526902] ? trace_hardirqs_off_caller+0xbb/0x310 [ 646.531930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.536774] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.541789] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.546846] ? task_prio+0x50/0x50 [ 646.550401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.555958] ? check_preemption_disabled+0x48/0x280 [ 646.560996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.565851] apic_timer_interrupt+0xf/0x20 [ 646.570094] </IRQ> [ 646.572351] RIP: 0010:rcu_is_watching+0x0/0x30 [ 646.576936] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 646.595835] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 646.603551] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 646.610817] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 646.618084] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 646.625354] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 646.632624] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 646.639925] ? list_lru_count_one+0x253/0x450 [ 646.644420] ? list_lru_count_one+0x35d/0x450 [ 646.648921] ? list_lru_count_one+0x362/0x450 [ 646.653417] ? list_lru_isolate_move+0x3c0/0x3c0 [ 646.658172] ? shmem_free_inode+0xd0/0xd0 [ 646.662340] ? __lock_is_held+0xb5/0x140 [ 646.666414] super_cache_count+0x1b9/0x2e0 [ 646.670658] do_shrink_slab+0x1b1/0xd30 [ 646.674646] ? snapshot_refaults+0x290/0x290 [ 646.679053] ? lock_release+0xa00/0xa00 [ 646.683047] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 646.688033] ? down_read_trylock+0xda/0x140 [ 646.692350] ? shrink_slab+0x207/0x8c0 [ 646.696237] ? downgrade_write+0x270/0x270 [ 646.700491] shrink_slab+0x389/0x8c0 [ 646.704209] ? shrink_active_list+0x1f00/0x1f00 [ 646.708886] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 646.714515] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 646.719629] ? cgroup_procs_write_finish+0xf0/0xf0 [ 646.724567] ? find_held_lock+0x36/0x1c0 [ 646.728672] shrink_node+0x431/0x16b0 [ 646.732490] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 646.737823] ? shrink_node_memcg+0x18f0/0x18f0 [ 646.742412] ? kvm_clock_read+0x18/0x30 [ 646.746387] ? ktime_get+0x2c1/0x400 [ 646.750109] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 646.754607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 646.760144] ? __cpuset_node_allowed+0x19b/0x660 [ 646.764905] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 646.770621] ? delayacct_end+0x5a/0x100 [ 646.774608] do_try_to_free_pages+0x3e7/0x1290 [ 646.779188] ? zap_class+0x640/0x640 [ 646.782920] ? shrink_node+0x16b0/0x16b0 [ 646.786983] ? __lock_is_held+0xb5/0x140 [ 646.791091] try_to_free_pages+0x4d0/0xb90 [ 646.795332] ? do_try_to_free_pages+0x1290/0x1290 [ 646.800208] ? lock_acquire+0x1ed/0x520 [ 646.804183] ? set_page_refcounted+0x280/0x280 [ 646.808790] ? lock_release+0xa00/0xa00 [ 646.812783] ? _raw_spin_unlock_irq+0x60/0x80 [ 646.817288] ? psi_memstall_enter+0x240/0x2b0 [ 646.821811] ? psi_memstall_tick+0x230/0x230 [ 646.826235] __alloc_pages_slowpath+0xa48/0x2de0 [ 646.831030] ? warn_alloc+0x120/0x120 [ 646.834833] ? mark_held_locks+0x130/0x130 [ 646.839089] ? find_get_entry+0xaae/0x1120 [ 646.843341] ? filemap_map_pages+0x1a20/0x1a20 [ 646.847934] ? zap_class+0x640/0x640 [ 646.851658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.857202] ? check_preemption_disabled+0x48/0x280 [ 646.862219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.867773] ? should_fail+0x22d/0xd01 [ 646.871664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.876767] ? zap_class+0x640/0x640 [ 646.880511] ? __lock_is_held+0xb5/0x140 [ 646.884587] ? mark_held_locks+0x130/0x130 [ 646.888826] ? lock_release+0xa00/0xa00 [ 646.892801] ? perf_trace_sched_process_exec+0x860/0x860 [ 646.898250] ? xa_load+0x2ba/0x460 [ 646.901800] ? lock_downgrade+0x900/0x900 [ 646.905972] ? __might_sleep+0x95/0x190 [ 646.909956] __alloc_pages_nodemask+0xad8/0xea0 [ 646.914638] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 646.919660] ? __page_cache_alloc+0x191/0x5c0 [ 646.924187] ? xa_load+0x2e1/0x460 [ 646.927757] ? xa_clear_mark+0x40/0x40 [ 646.931647] ? zap_class+0x640/0x640 [ 646.935375] ? zap_class+0x640/0x640 [ 646.939087] ? zap_class+0x640/0x640 [ 646.942800] ? __do_page_cache_readahead+0x663/0x810 [ 646.947911] ? find_held_lock+0x36/0x1c0 [ 646.951981] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 646.957535] alloc_pages_current+0x173/0x350 [ 646.961954] __page_cache_alloc+0x38c/0x5c0 [ 646.966282] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 646.971217] ? kasan_check_read+0x11/0x20 [ 646.975365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 646.980672] ? generic_perform_write+0x6a0/0x6a0 [ 646.985430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.990981] ? check_preemption_disabled+0x48/0x280 [ 646.996021] filemap_fault+0x1595/0x25f0 [ 647.000097] ? __lock_page_or_retry+0xa00/0xa00 [ 647.004791] ? mark_held_locks+0x130/0x130 [ 647.009041] ? filemap_map_pages+0xd6b/0x1a20 [ 647.013561] ? lock_downgrade+0x900/0x900 [ 647.017725] ? check_preemption_disabled+0x48/0x280 [ 647.022747] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.027681] ? kasan_check_read+0x11/0x20 [ 647.031837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.037114] ? rcu_softirq_qs+0x20/0x20 [ 647.041106] ? filemap_map_pages+0xd92/0x1a20 [ 647.045617] ? find_get_entries_tag+0x1400/0x1400 [ 647.050465] ? debug_object_destroy+0x2b0/0x2b0 [ 647.055136] ? lock_pi_update_atomic+0x150/0x150 [ 647.059907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.065476] ? lock_acquire+0x1ed/0x520 [ 647.069449] ? ext4_filemap_fault+0x7a/0xad [ 647.073809] ? lock_release+0xa00/0xa00 [ 647.077831] ? perf_trace_sched_process_exec+0x860/0x860 [ 647.083289] ? print_usage_bug+0xc0/0xc0 [ 647.087359] ? print_usage_bug+0xc0/0xc0 [ 647.091435] ? down_read+0x8d/0x120 [ 647.095102] ? ext4_filemap_fault+0x7a/0xad [ 647.099427] ? __down_interruptible+0x700/0x700 [ 647.104107] ext4_filemap_fault+0x82/0xad [ 647.108257] __do_fault+0x100/0x6b0 [ 647.111895] ? release_sock+0x1ec/0x2c0 [ 647.115872] ? pmd_devmap_trans_unstable+0x220/0x220 [ 647.120981] ? mark_held_locks+0x130/0x130 [ 647.125263] ? mark_held_locks+0x130/0x130 [ 647.129531] ? lock_sock_nested+0x9a/0x120 [ 647.133772] ? __release_sock+0x3a0/0x3a0 [ 647.137925] ? __local_bh_enable_ip+0x160/0x260 [ 647.142598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.148148] __handle_mm_fault+0x3ea0/0x5be0 [ 647.152604] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 647.157447] ? apparmor_socket_sendmsg+0x29/0x30 [ 647.162205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.167744] ? security_socket_sendmsg+0x94/0xc0 [ 647.172508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.178079] ? zap_class+0x640/0x640 [ 647.181792] ? zap_class+0x640/0x640 [ 647.185502] ? __x64_sys_futex+0x53e/0x6a0 [ 647.189742] ? find_held_lock+0x36/0x1c0 [ 647.193813] ? handle_mm_fault+0x42a/0xc70 [ 647.198051] ? lock_downgrade+0x900/0x900 [ 647.202201] ? check_preemption_disabled+0x48/0x280 [ 647.207219] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.212147] ? kasan_check_read+0x11/0x20 [ 647.216300] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.221601] ? rcu_softirq_qs+0x20/0x20 [ 647.225580] ? trace_hardirqs_off_caller+0x310/0x310 [ 647.230686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.236227] ? check_preemption_disabled+0x48/0x280 [ 647.241253] handle_mm_fault+0x54f/0xc70 [ 647.245327] ? __handle_mm_fault+0x5be0/0x5be0 [ 647.249916] ? find_vma+0x34/0x190 [ 647.253462] __do_page_fault+0x5e8/0xe60 [ 647.257524] ? trace_hardirqs_off+0xb8/0x310 [ 647.261954] ? __ia32_sys_read+0xb0/0xb0 [ 647.266027] do_page_fault+0xf2/0x7e0 [ 647.269829] ? vmalloc_sync_all+0x30/0x30 [ 647.273992] ? error_entry+0x70/0xd0 [ 647.277750] ? trace_hardirqs_off_caller+0xbb/0x310 [ 647.282782] ? trace_hardirqs_on_caller+0xc0/0x310 [ 647.287710] ? syscall_return_slowpath+0x5e0/0x5e0 [ 647.292639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.297486] ? trace_hardirqs_on_caller+0x310/0x310 [ 647.302516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 647.307972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 647.312991] ? page_fault+0x8/0x30 [ 647.316555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.321403] ? page_fault+0x8/0x30 [ 647.324946] page_fault+0x1e/0x30 [ 647.328403] RIP: 0033:0x45ddf3 [ 647.331612] Code: Bad RIP value. [ 647.334973] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 647.340334] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 647.347602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 647.354871] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 647.362137] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 647.369407] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 647.376700] warn_alloc_show_mem: 1 callbacks suppressed [ 647.376712] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 647.376714] Mem-Info: [ 647.376745] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 647.376745] active_file:13 inactive_file:14 isolated_file:0 [ 647.376745] unevictable:0 dirty:0 writeback:0 unstable:0 [ 647.376745] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 647.376745] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 647.376745] free:13773 free_pcp:174 free_cma:0 [ 647.382089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 647.389371] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 647.391771] Call Trace: [ 647.424743] 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 [ 647.434088] <IRQ> [ 647.461566] lowmem_reserve[]: 0 2818 6321 6321 [ 647.464177] dump_stack+0x244/0x39d [ 647.490305] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 647.492459] ? dump_stack_print_info.cold.1+0x20/0x20 [ 647.497007] lowmem_reserve[]: 0 0 3503 3503 [ 647.500647] warn_alloc.cold.116+0xb7/0x1bd [ 647.528121] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 647.533309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 647.537601] lowmem_reserve[]: 0 0 0 0 [ 647.541919] ? lock_downgrade+0x900/0x900 [ 647.570961] 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 [ 647.575812] ? trace_hardirqs_off+0xb8/0x310 [ 647.579584] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 647.583748] ? trace_hardirqs_off+0xb8/0x310 [ 647.597248] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 647.601665] __alloc_pages_slowpath+0x2651/0x2de0 [ 647.617604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 647.622033] ? warn_alloc+0x120/0x120 [ 647.635600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 647.640436] ? print_usage_bug+0xc0/0xc0 [ 647.649244] 271 total pagecache pages [ 647.653051] ? warn_alloc+0x120/0x120 [ 647.661610] 0 pages in swap cache [ 647.665681] ? warn_alloc+0x120/0x120 [ 647.669457] Swap cache stats: add 0, delete 0, find 0/0 [ 647.673254] ? print_usage_bug+0xc0/0xc0 [ 647.676686] Free swap = 0kB [ 647.680482] ? kvm_clock_read+0x18/0x30 [ 647.685819] Total swap = 0kB [ 647.689875] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 647.692869] 1965979 pages RAM [ 647.696837] ? print_usage_bug+0xc0/0xc0 [ 647.699835] 0 pages HighMem/MovableOnly [ 647.704843] ? __lock_acquire+0x62f/0x4c20 [ 647.707924] 342854 pages reserved [ 647.711982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.715929] 0 pages cma reserved [ 647.720156] ? should_fail+0x22d/0xd01 [ 647.723651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 647.729136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.732547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 647.736394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.742859] syz-fuzzer cpuset=/ mems_allowed=0 [ 647.748133] ? __lock_acquire+0x62f/0x4c20 [ 647.772233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.777346] ? __lock_acquire+0x62f/0x4c20 [ 647.781577] ? should_fail+0x22d/0xd01 [ 647.785464] ? rcu_irq_exit+0x1a2/0x390 [ 647.789447] ? mark_held_locks+0x130/0x130 [ 647.793705] ? mark_held_locks+0x130/0x130 [ 647.797946] ? mark_held_locks+0xc7/0x130 [ 647.802098] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 647.807130] ? zap_class+0x640/0x640 [ 647.810846] ? print_usage_bug+0xc0/0xc0 [ 647.814914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.820458] ? check_preemption_disabled+0x48/0x280 [ 647.825488] ? __lock_is_held+0xb5/0x140 [ 647.829571] __alloc_pages_nodemask+0xad8/0xea0 [ 647.834253] ? zap_class+0x640/0x640 [ 647.838005] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 647.843041] ? find_held_lock+0x36/0x1c0 [ 647.847122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 647.851814] ? lock_downgrade+0x900/0x900 [ 647.855971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.861530] cache_grow_begin+0xa5/0x8c0 [ 647.865593] ? do_raw_spin_unlock+0xa7/0x330 [ 647.870010] fallback_alloc+0x204/0x2e0 [ 647.874014] ____cache_alloc_node+0x1c7/0x1e0 [ 647.878520] kmem_cache_alloc_node+0xe3/0x730 [ 647.883020] ? ipv6_get_ifaddr+0x42e/0x620 [ 647.887299] __alloc_skb+0x119/0x770 [ 647.891014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.896321] ? netdev_alloc_frag+0x1f0/0x1f0 [ 647.900730] ? lock_downgrade+0x900/0x900 [ 647.904905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.910446] ? refcount_sub_and_test_checked+0x203/0x310 [ 647.915899] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 647.921352] ? addrconf_rs_timer+0x690/0x690 [ 647.925786] ndisc_alloc_skb+0x144/0x340 [ 647.929851] ndisc_send_rs+0x331/0x6e0 [ 647.933765] addrconf_rs_timer+0x314/0x690 [ 647.938006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.942251] call_timer_fn+0x272/0x920 [ 647.946142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.950380] ? process_timeout+0x40/0x40 [ 647.954453] ? __run_timers+0x7da/0xc70 [ 647.958431] ? _raw_spin_unlock_irq+0x27/0x80 [ 647.963097] ? _raw_spin_unlock_irq+0x27/0x80 [ 647.967594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.971830] ? lockdep_hardirqs_on+0x296/0x5b0 [ 647.976592] ? trace_hardirqs_on+0xbd/0x310 [ 647.980916] ? kasan_check_read+0x11/0x20 [ 647.985061] ? __run_timers+0x7da/0xc70 [ 647.989044] ? trace_hardirqs_off_caller+0x310/0x310 [ 647.994150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.998390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.002628] __run_timers+0x7e5/0xc70 [ 648.006439] ? timer_fixup_init+0x70/0x70 [ 648.010589] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 648.015605] ? zap_class+0x640/0x640 [ 648.019333] ? enqueue_hrtimer+0x1a5/0x560 [ 648.023570] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 648.028798] ? find_held_lock+0x36/0x1c0 [ 648.032871] ? zap_class+0x640/0x640 [ 648.036606] ? pvclock_read_flags+0x160/0x160 [ 648.041112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.046657] ? check_preemption_disabled+0x48/0x280 [ 648.051682] ? __lock_is_held+0xb5/0x140 [ 648.055758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.061321] ? check_preemption_disabled+0x48/0x280 [ 648.066344] run_timer_softirq+0x52/0xb0 [ 648.070404] ? rcu_read_lock_sched_held+0x14f/0x180 [ 648.075428] __do_softirq+0x308/0xb7e [ 648.079236] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 648.083738] ? lock_downgrade+0x900/0x900 [ 648.087908] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 648.093016] ? pvclock_read_flags+0x160/0x160 [ 648.098007] ? lapic_next_event+0x5a/0x90 [ 648.102166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.107723] ? kvm_clock_read+0x18/0x30 [ 648.111697] ? kvm_sched_clock_read+0x9/0x20 [ 648.116120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.121663] ? check_preemption_disabled+0x48/0x280 [ 648.126692] irq_exit+0x17f/0x1c0 [ 648.130148] smp_apic_timer_interrupt+0x1cb/0x760 [ 648.134990] ? smp_reschedule_interrupt+0x109/0x650 [ 648.140008] ? smp_call_function_single_interrupt+0x650/0x650 [ 648.145900] ? interrupt_entry+0xb5/0xc0 [ 648.150054] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.155071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.160090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.164934] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.169956] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.174986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.179838] apic_timer_interrupt+0xf/0x20 [ 648.184068] </IRQ> [ 648.186327] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 648.192228] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 648.211139] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 648.218845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 648.226111] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 648.233377] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 648.240653] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 648.247925] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 648.255230] ? save_stack+0xa9/0xd0 [ 648.258870] __kmalloc_node_track_caller+0x3c/0x70 [ 648.263802] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 648.268563] pskb_expand_head+0x230/0x10f0 [ 648.272799] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 648.278253] ? memcpy+0x45/0x50 [ 648.281542] ? __copy_skb_header+0x350/0x6b0 [ 648.285953] ? skb_release_data+0x880/0x880 [ 648.290282] ? __alloc_skb+0x770/0x770 [ 648.294180] ? __lock_is_held+0xb5/0x140 [ 648.298264] ? kasan_check_write+0x14/0x20 [ 648.302511] ? __skb_clone+0x6c7/0xa00 [ 648.306407] ? __copy_skb_header+0x6b0/0x6b0 [ 648.310861] ? kmem_cache_alloc+0x33a/0x730 [ 648.315187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.320738] skb_ensure_writable+0x3dd/0x640 [ 648.325156] ? skb_checksum_setup+0xaa0/0xaa0 [ 648.329653] ? preempt_notifier_register+0x200/0x200 [ 648.334768] ? __switch_to_asm+0x34/0x70 [ 648.338828] ? __switch_to_asm+0x34/0x70 [ 648.342888] ? __switch_to_asm+0x40/0x70 [ 648.346947] ? __switch_to_asm+0x34/0x70 [ 648.351023] ? __switch_to_asm+0x40/0x70 [ 648.355089] ? __switch_to_asm+0x40/0x70 [ 648.359161] ? __switch_to_asm+0x34/0x70 [ 648.363234] ? __switch_to_asm+0x34/0x70 [ 648.367318] ? __switch_to_asm+0x40/0x70 [ 648.371393] ? __switch_to_asm+0x34/0x70 [ 648.375489] bpf_clone_redirect+0x14a/0x490 [ 648.379841] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 648.384862] ? __sched_text_start+0x8/0x8 [ 648.389011] ? retint_kernel+0x2d/0x2d [ 648.392914] ? find_held_lock+0x36/0x1c0 [ 648.396986] ? lock_acquire+0x1ed/0x520 [ 648.400962] ? bpf_test_run+0x3cb/0x780 [ 648.404938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.410496] ? check_preemption_disabled+0x48/0x280 [ 648.415520] ? kasan_check_read+0x11/0x20 [ 648.419671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.424947] ? rcu_softirq_qs+0x20/0x20 [ 648.428924] ? preempt_schedule+0x4d/0x60 [ 648.433075] ? ___preempt_schedule+0x16/0x18 [ 648.437511] ? bpf_test_run+0x25d/0x780 [ 648.441502] ? netlink_diag_dump+0x2a0/0x2a0 [ 648.445919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.451458] ? bpf_test_init.isra.10+0x70/0x100 [ 648.456134] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 648.460901] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 648.465746] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 648.471319] ? fput+0x130/0x1a0 [ 648.474609] ? __bpf_prog_get+0x9b/0x290 [ 648.478673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 648.483512] ? bpf_prog_test_run+0x130/0x1a0 [ 648.487940] ? __x64_sys_bpf+0x3d8/0x520 [ 648.492001] ? bpf_prog_get+0x20/0x20 [ 648.495826] ? do_syscall_64+0x1b9/0x820 [ 648.499888] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 648.505254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 648.510215] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.515233] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 648.520282] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 648.526966] ? __switch_to_asm+0x40/0x70 [ 648.531032] ? __switch_to_asm+0x34/0x70 [ 648.535102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.539958] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 648.545376] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 648.545476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 648.552389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 648.552398] Call Trace: [ 648.559161] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 648.568228] <IRQ> [ 648.570800] syz-executor3 cpuset=syz3 mems_allowed=0 [ 648.581291] dump_stack+0x244/0x39d [ 648.592133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 648.597335] warn_alloc.cold.116+0xb7/0x1bd [ 648.601659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 648.606512] ? lock_downgrade+0x900/0x900 [ 648.610673] ? trace_hardirqs_off+0xb8/0x310 [ 648.615088] ? trace_hardirqs_off+0xb8/0x310 [ 648.619506] __alloc_pages_slowpath+0x2651/0x2de0 [ 648.624393] ? warn_alloc+0x120/0x120 [ 648.628197] ? print_usage_bug+0xc0/0xc0 [ 648.632257] ? warn_alloc+0x120/0x120 [ 648.636094] ? warn_alloc+0x120/0x120 [ 648.639910] ? print_usage_bug+0xc0/0xc0 [ 648.643976] ? print_usage_bug+0xc0/0xc0 [ 648.648055] ? __lock_acquire+0x62f/0x4c20 [ 648.652307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.657847] ? should_fail+0x22d/0xd01 [ 648.661738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.666847] ? __lock_acquire+0x62f/0x4c20 [ 648.671090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.676194] ? __lock_acquire+0x62f/0x4c20 [ 648.680428] ? should_fail+0x22d/0xd01 [ 648.684351] ? find_held_lock+0x36/0x1c0 [ 648.688424] ? mark_held_locks+0x130/0x130 [ 648.692670] ? mark_held_locks+0x130/0x130 [ 648.696903] ? zap_class+0x640/0x640 [ 648.700632] ? zap_class+0x640/0x640 [ 648.704355] ? print_usage_bug+0xc0/0xc0 [ 648.708417] ? do_raw_spin_unlock+0xa7/0x330 [ 648.712830] ? zap_class+0x640/0x640 [ 648.716549] ? print_usage_bug+0xc0/0xc0 [ 648.720628] ? wq_watchdog_touch+0x9c/0xfe [ 648.724870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.730409] ? check_preemption_disabled+0x48/0x280 [ 648.735439] ? __lock_is_held+0xb5/0x140 [ 648.739508] __alloc_pages_nodemask+0xad8/0xea0 [ 648.744183] ? zap_class+0x640/0x640 [ 648.747903] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 648.752946] ? find_held_lock+0x36/0x1c0 [ 648.757018] ? ____cache_alloc_node+0x1c7/0x1e0 [ 648.761701] ? lock_downgrade+0x900/0x900 [ 648.765862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.771406] cache_grow_begin+0xa5/0x8c0 [ 648.775470] ? do_raw_spin_unlock+0xa7/0x330 [ 648.779886] fallback_alloc+0x204/0x2e0 [ 648.783871] ____cache_alloc_node+0x1c7/0x1e0 [ 648.788372] kmem_cache_alloc_node+0xe3/0x730 [ 648.792899] ? ipv6_get_ifaddr+0x42e/0x620 [ 648.797144] __alloc_skb+0x119/0x770 [ 648.800877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.806160] ? netdev_alloc_frag+0x1f0/0x1f0 [ 648.810569] ? lock_downgrade+0x900/0x900 [ 648.814725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.820262] ? refcount_sub_and_test_checked+0x203/0x310 [ 648.825730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 648.831211] ? addrconf_rs_timer+0x690/0x690 [ 648.835663] ndisc_alloc_skb+0x144/0x340 [ 648.839761] ndisc_send_rs+0x331/0x6e0 [ 648.843668] addrconf_rs_timer+0x314/0x690 [ 648.847914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.852162] call_timer_fn+0x272/0x920 [ 648.856047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.860292] ? process_timeout+0x40/0x40 [ 648.864366] ? mark_held_locks+0xc7/0x130 [ 648.868517] ? _raw_spin_unlock_irq+0x27/0x80 [ 648.873024] ? _raw_spin_unlock_irq+0x27/0x80 [ 648.877554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.881787] ? lockdep_hardirqs_on+0x296/0x5b0 [ 648.886374] ? trace_hardirqs_on+0xbd/0x310 [ 648.890698] ? kasan_check_read+0x11/0x20 [ 648.894848] ? __run_timers+0x7da/0xc70 [ 648.898825] ? trace_hardirqs_off_caller+0x310/0x310 [ 648.903933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.908172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.912407] __run_timers+0x7e5/0xc70 [ 648.916235] ? timer_fixup_init+0x70/0x70 [ 648.920411] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 648.925433] ? zap_class+0x640/0x640 [ 648.929154] ? print_usage_bug+0xc0/0xc0 [ 648.933220] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 648.938417] ? find_held_lock+0x36/0x1c0 [ 648.942479] ? zap_class+0x640/0x640 [ 648.946195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.951733] ? check_preemption_disabled+0x48/0x280 [ 648.956761] ? __lock_is_held+0xb5/0x140 [ 648.960823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.966394] ? check_preemption_disabled+0x48/0x280 [ 648.971430] run_timer_softirq+0x52/0xb0 [ 648.975490] ? rcu_read_lock_sched_held+0x14f/0x180 [ 648.980505] __do_softirq+0x308/0xb7e [ 648.984314] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 648.988814] ? lock_downgrade+0x900/0x900 [ 648.992988] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 648.998101] ? pvclock_read_flags+0x160/0x160 [ 649.002601] ? lapic_next_event+0x5a/0x90 [ 649.006756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.012313] ? kvm_clock_read+0x18/0x30 [ 649.016295] ? kvm_sched_clock_read+0x9/0x20 [ 649.020712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.026252] ? check_preemption_disabled+0x48/0x280 [ 649.031324] irq_exit+0x17f/0x1c0 [ 649.034780] smp_apic_timer_interrupt+0x1cb/0x760 [ 649.039622] ? smp_call_function_single_interrupt+0x159/0x650 [ 649.045521] ? smp_call_function_single_interrupt+0x650/0x650 [ 649.051428] ? interrupt_entry+0xb5/0xc0 [ 649.055494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.060536] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.065591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.070452] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.075487] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.080505] ? task_prio+0x50/0x50 [ 649.084126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.089700] ? check_preemption_disabled+0x48/0x280 [ 649.094728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.099584] apic_timer_interrupt+0xf/0x20 [ 649.103817] </IRQ> [ 649.106087] RIP: 0010:rcu_is_watching+0x0/0x30 [ 649.110669] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 649.129570] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 649.137284] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 649.144558] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 649.151826] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 649.159099] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 649.166387] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 649.173676] ? list_lru_count_one+0x253/0x450 [ 649.178174] ? list_lru_count_one+0x35d/0x450 [ 649.182678] ? list_lru_count_one+0x362/0x450 [ 649.187178] ? list_lru_isolate_move+0x3c0/0x3c0 [ 649.191934] ? shmem_free_inode+0xd0/0xd0 [ 649.196087] ? __lock_is_held+0xb5/0x140 [ 649.200177] super_cache_count+0x1b9/0x2e0 [ 649.204420] do_shrink_slab+0x1b1/0xd30 [ 649.208424] ? snapshot_refaults+0x290/0x290 [ 649.212837] ? lock_release+0xa00/0xa00 [ 649.216822] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 649.221766] ? down_read_trylock+0xda/0x140 [ 649.226093] ? shrink_slab+0x207/0x8c0 [ 649.229983] ? downgrade_write+0x270/0x270 [ 649.234230] shrink_slab+0x389/0x8c0 [ 649.237944] ? shrink_active_list+0x1f00/0x1f00 [ 649.242623] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 649.248256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 649.253379] ? cgroup_procs_write_finish+0xf0/0xf0 [ 649.258343] ? find_held_lock+0x36/0x1c0 [ 649.262414] shrink_node+0x431/0x16b0 [ 649.266216] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 649.271522] ? shrink_node_memcg+0x18f0/0x18f0 [ 649.276118] ? kvm_clock_read+0x18/0x30 [ 649.280096] ? ktime_get+0x2c1/0x400 [ 649.283813] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 649.288314] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 649.293855] ? __cpuset_node_allowed+0x19b/0x660 [ 649.298615] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 649.304333] ? delayacct_end+0x5a/0x100 [ 649.308324] do_try_to_free_pages+0x3e7/0x1290 [ 649.312906] ? zap_class+0x640/0x640 [ 649.316640] ? shrink_node+0x16b0/0x16b0 [ 649.320708] ? __lock_is_held+0xb5/0x140 [ 649.324786] try_to_free_pages+0x4d0/0xb90 [ 649.329028] ? do_try_to_free_pages+0x1290/0x1290 [ 649.333900] ? lock_acquire+0x1ed/0x520 [ 649.337877] ? set_page_refcounted+0x280/0x280 [ 649.342467] ? lock_release+0xa00/0xa00 [ 649.346444] ? _raw_spin_unlock_irq+0x60/0x80 [ 649.350941] ? psi_memstall_enter+0x240/0x2b0 [ 649.355450] ? psi_memstall_tick+0x230/0x230 [ 649.359888] __alloc_pages_slowpath+0xa48/0x2de0 [ 649.364698] ? warn_alloc+0x120/0x120 [ 649.368501] ? mark_held_locks+0x130/0x130 [ 649.372746] ? find_get_entry+0xaae/0x1120 [ 649.376989] ? filemap_map_pages+0x1a20/0x1a20 [ 649.381578] ? zap_class+0x640/0x640 [ 649.385307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.390849] ? check_preemption_disabled+0x48/0x280 [ 649.395914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.401470] ? should_fail+0x22d/0xd01 [ 649.405362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 649.410469] ? zap_class+0x640/0x640 [ 649.414212] ? __lock_is_held+0xb5/0x140 [ 649.418304] ? mark_held_locks+0x130/0x130 [ 649.422550] ? lock_release+0xa00/0xa00 [ 649.426534] ? perf_trace_sched_process_exec+0x860/0x860 [ 649.432005] ? xa_load+0x2ba/0x460 [ 649.435604] ? lock_downgrade+0x900/0x900 [ 649.439759] ? __might_sleep+0x95/0x190 [ 649.443740] __alloc_pages_nodemask+0xad8/0xea0 [ 649.448420] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 649.453446] ? __page_cache_alloc+0x191/0x5c0 [ 649.457967] ? xa_load+0x2e1/0x460 [ 649.461539] ? xa_clear_mark+0x40/0x40 [ 649.465454] ? zap_class+0x640/0x640 [ 649.469190] ? zap_class+0x640/0x640 [ 649.472918] ? zap_class+0x640/0x640 [ 649.476631] ? __do_page_cache_readahead+0x663/0x810 [ 649.481740] ? find_held_lock+0x36/0x1c0 [ 649.485813] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 649.491369] alloc_pages_current+0x173/0x350 [ 649.495799] __page_cache_alloc+0x38c/0x5c0 [ 649.500119] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.505054] ? kasan_check_read+0x11/0x20 [ 649.509205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.514484] ? generic_perform_write+0x6a0/0x6a0 [ 649.519242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.524806] ? check_preemption_disabled+0x48/0x280 [ 649.529891] filemap_fault+0x1595/0x25f0 [ 649.533992] ? __lock_page_or_retry+0xa00/0xa00 [ 649.538673] ? mark_held_locks+0x130/0x130 [ 649.542924] ? filemap_map_pages+0xd6b/0x1a20 [ 649.547421] ? lock_downgrade+0x900/0x900 [ 649.551572] ? check_preemption_disabled+0x48/0x280 [ 649.556594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.561525] ? kasan_check_read+0x11/0x20 [ 649.565709] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.571000] ? rcu_softirq_qs+0x20/0x20 [ 649.574998] ? filemap_map_pages+0xd92/0x1a20 [ 649.579512] ? find_get_entries_tag+0x1400/0x1400 [ 649.584363] ? debug_object_destroy+0x2b0/0x2b0 [ 649.589074] ? lock_pi_update_atomic+0x150/0x150 [ 649.593834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.599392] ? lock_acquire+0x1ed/0x520 [ 649.603407] ? ext4_filemap_fault+0x7a/0xad [ 649.607750] ? lock_release+0xa00/0xa00 [ 649.611727] ? perf_trace_sched_process_exec+0x860/0x860 [ 649.617180] ? print_usage_bug+0xc0/0xc0 [ 649.621291] ? print_usage_bug+0xc0/0xc0 [ 649.625393] ? down_read+0x8d/0x120 [ 649.629026] ? ext4_filemap_fault+0x7a/0xad [ 649.633375] ? __down_interruptible+0x700/0x700 [ 649.638072] ext4_filemap_fault+0x82/0xad [ 649.642228] __do_fault+0x100/0x6b0 [ 649.645856] ? release_sock+0x1ec/0x2c0 [ 649.649834] ? pmd_devmap_trans_unstable+0x220/0x220 [ 649.654945] ? mark_held_locks+0x130/0x130 [ 649.659181] ? mark_held_locks+0x130/0x130 [ 649.663416] ? lock_sock_nested+0x9a/0x120 [ 649.667673] ? __release_sock+0x3a0/0x3a0 [ 649.671823] ? __local_bh_enable_ip+0x160/0x260 [ 649.676497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.682077] __handle_mm_fault+0x3ea0/0x5be0 [ 649.686497] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 649.691347] ? apparmor_socket_sendmsg+0x29/0x30 [ 649.696108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.701652] ? security_socket_sendmsg+0x94/0xc0 [ 649.706413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.711979] ? zap_class+0x640/0x640 [ 649.715692] ? zap_class+0x640/0x640 [ 649.719409] ? __x64_sys_futex+0x53e/0x6a0 [ 649.723667] ? find_held_lock+0x36/0x1c0 [ 649.727768] ? handle_mm_fault+0x42a/0xc70 [ 649.732022] ? lock_downgrade+0x900/0x900 [ 649.736169] ? check_preemption_disabled+0x48/0x280 [ 649.741221] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.746150] ? kasan_check_read+0x11/0x20 [ 649.750306] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.755587] ? rcu_softirq_qs+0x20/0x20 [ 649.759568] ? trace_hardirqs_off_caller+0x310/0x310 [ 649.764673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.770208] ? check_preemption_disabled+0x48/0x280 [ 649.775234] handle_mm_fault+0x54f/0xc70 [ 649.779336] ? __handle_mm_fault+0x5be0/0x5be0 [ 649.783924] ? find_vma+0x34/0x190 [ 649.787469] __do_page_fault+0x5e8/0xe60 [ 649.791533] ? trace_hardirqs_off+0xb8/0x310 [ 649.795943] ? __ia32_sys_read+0xb0/0xb0 [ 649.800017] do_page_fault+0xf2/0x7e0 [ 649.803820] ? vmalloc_sync_all+0x30/0x30 [ 649.807971] ? error_entry+0x70/0xd0 [ 649.811684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.816702] ? trace_hardirqs_on_caller+0xc0/0x310 [ 649.821632] ? syscall_return_slowpath+0x5e0/0x5e0 [ 649.826577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.831479] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.836508] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 649.841968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 649.846989] ? page_fault+0x8/0x30 [ 649.850551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.855406] ? page_fault+0x8/0x30 [ 649.858944] page_fault+0x1e/0x30 [ 649.862422] RIP: 0033:0x45ddf3 [ 649.865631] Code: Bad RIP value. [ 649.868995] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 649.874356] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 649.881642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 649.888911] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 649.896177] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 649.903449] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 649.910744] warn_alloc_show_mem: 1 callbacks suppressed [ 649.910756] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 649.910758] Mem-Info: [ 649.910790] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 649.910790] active_file:13 inactive_file:14 isolated_file:0 [ 649.910790] unevictable:0 dirty:0 writeback:0 unstable:0 [ 649.910790] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 649.910790] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 649.910790] free:13773 free_pcp:174 free_cma:0 [ 649.916131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.923411] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 649.925810] Call Trace: [ 649.958781] 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 [ 649.968309] <IRQ> [ 649.995793] lowmem_reserve[]: 0 2818 6321 6321 [ 649.998380] dump_stack+0x244/0x39d [ 650.024459] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 650.026612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 650.031163] lowmem_reserve[]: 0 0 3503 3503 [ 650.034792] warn_alloc.cold.116+0xb7/0x1bd [ 650.062261] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 650.067456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 650.071754] lowmem_reserve[]: 0 0 0 0 [ 650.076079] ? lock_downgrade+0x900/0x900 [ 650.105076] 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 [ 650.109925] ? trace_hardirqs_off+0xb8/0x310 [ 650.113696] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 650.117838] ? trace_hardirqs_off+0xb8/0x310 [ 650.131335] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 650.135743] __alloc_pages_slowpath+0x2651/0x2de0 [ 650.151677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 650.156099] ? warn_alloc+0x120/0x120 [ 650.169784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 650.174620] ? warn_alloc+0x120/0x120 [ 650.183433] 271 total pagecache pages [ 650.187228] ? warn_alloc+0x120/0x120 [ 650.195789] 0 pages in swap cache [ 650.199581] ? print_usage_bug+0xc0/0xc0 [ 650.203368] Swap cache stats: add 0, delete 0, find 0/0 [ 650.207164] ? zap_class+0x640/0x640 [ 650.210596] Free swap = 0kB [ 650.214652] ? print_usage_bug+0xc0/0xc0 [ 650.220013] Total swap = 0kB [ 650.223791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.226796] 1965979 pages RAM [ 650.230868] ? should_fail+0x22d/0xd01 [ 650.233860] 0 pages HighMem/MovableOnly [ 650.239390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.242476] 342854 pages reserved [ 650.246358] ? __lock_acquire+0x62f/0x4c20 [ 650.250311] 0 pages cma reserved [ 650.255413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.258976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 650.263097] ? __lock_acquire+0x62f/0x4c20 [ 650.263113] ? should_fail+0x22d/0xd01 [ 650.266598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 650.271572] ? mark_held_locks+0x130/0x130 [ 650.278041] syz-fuzzer cpuset=/ mems_allowed=0 [ 650.282294] ? mark_held_locks+0x130/0x130 [ 650.309406] ? try_to_wake_up+0x11c/0x1490 [ 650.313657] ? lock_downgrade+0x900/0x900 [ 650.317815] ? zap_class+0x640/0x640 [ 650.321534] ? print_usage_bug+0xc0/0xc0 [ 650.325598] ? trace_hardirqs_off+0xb8/0x310 [ 650.330010] ? kasan_check_read+0x11/0x20 [ 650.334182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.339723] ? check_preemption_disabled+0x48/0x280 [ 650.344767] ? __lock_is_held+0xb5/0x140 [ 650.348836] __alloc_pages_nodemask+0xad8/0xea0 [ 650.353506] ? zap_class+0x640/0x640 [ 650.357228] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 650.362255] ? find_held_lock+0x36/0x1c0 [ 650.366369] ? ____cache_alloc_node+0x1c7/0x1e0 [ 650.371064] ? lock_downgrade+0x900/0x900 [ 650.375222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.380763] cache_grow_begin+0xa5/0x8c0 [ 650.384824] ? do_raw_spin_unlock+0xa7/0x330 [ 650.389244] fallback_alloc+0x204/0x2e0 [ 650.393265] ____cache_alloc_node+0x1c7/0x1e0 [ 650.397804] kmem_cache_alloc_node+0xe3/0x730 [ 650.402320] ? ipv6_get_ifaddr+0x42e/0x620 [ 650.406565] __alloc_skb+0x119/0x770 [ 650.410288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 650.415598] ? netdev_alloc_frag+0x1f0/0x1f0 [ 650.420025] ? lock_downgrade+0x900/0x900 [ 650.424188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.429726] ? refcount_sub_and_test_checked+0x203/0x310 [ 650.435208] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 650.440658] ? addrconf_rs_timer+0x690/0x690 [ 650.445079] ndisc_alloc_skb+0x144/0x340 [ 650.449150] ndisc_send_rs+0x331/0x6e0 [ 650.453052] addrconf_rs_timer+0x314/0x690 [ 650.457314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.461576] call_timer_fn+0x272/0x920 [ 650.465467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.469702] ? process_timeout+0x40/0x40 [ 650.473776] ? __run_timers+0x7da/0xc70 [ 650.477753] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.482248] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.486752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.490991] ? lockdep_hardirqs_on+0x296/0x5b0 [ 650.495577] ? trace_hardirqs_on+0xbd/0x310 [ 650.499903] ? kasan_check_read+0x11/0x20 [ 650.504052] ? __run_timers+0x7da/0xc70 [ 650.508036] ? trace_hardirqs_off_caller+0x310/0x310 [ 650.513155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.517393] __run_timers+0x7e5/0xc70 [ 650.521242] ? timer_fixup_init+0x70/0x70 [ 650.525405] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 650.530426] ? zap_class+0x640/0x640 [ 650.534148] ? enqueue_hrtimer+0x1a5/0x560 [ 650.538389] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 650.543587] ? find_held_lock+0x36/0x1c0 [ 650.547654] ? zap_class+0x640/0x640 [ 650.551377] ? pvclock_read_flags+0x160/0x160 [ 650.555878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.561419] ? check_preemption_disabled+0x48/0x280 [ 650.566447] ? __lock_is_held+0xb5/0x140 [ 650.570512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.576064] ? check_preemption_disabled+0x48/0x280 [ 650.581086] run_timer_softirq+0x52/0xb0 [ 650.585153] ? rcu_read_lock_sched_held+0x14f/0x180 [ 650.590171] __do_softirq+0x308/0xb7e [ 650.593992] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 650.598507] ? lock_downgrade+0x900/0x900 [ 650.602660] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 650.607801] ? pvclock_read_flags+0x160/0x160 [ 650.612307] ? lapic_next_event+0x5a/0x90 [ 650.616472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.622033] ? kvm_clock_read+0x18/0x30 [ 650.626008] ? kvm_sched_clock_read+0x9/0x20 [ 650.630422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.635966] ? check_preemption_disabled+0x48/0x280 [ 650.640989] irq_exit+0x17f/0x1c0 [ 650.644445] smp_apic_timer_interrupt+0x1cb/0x760 [ 650.649313] ? smp_reschedule_interrupt+0x109/0x650 [ 650.654333] ? smp_call_function_single_interrupt+0x650/0x650 [ 650.660223] ? interrupt_entry+0xb5/0xc0 [ 650.664331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 650.669348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 650.674370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.679213] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.684236] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.689297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.694166] apic_timer_interrupt+0xf/0x20 [ 650.698397] </IRQ> [ 650.700641] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 650.706526] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 650.725514] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 650.733221] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 650.740491] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 650.747760] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 650.755033] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 650.762305] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 650.769611] ? save_stack+0xa9/0xd0 [ 650.773254] __kmalloc_node_track_caller+0x3c/0x70 [ 650.778196] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 650.782978] pskb_expand_head+0x230/0x10f0 [ 650.787215] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 650.792672] ? memcpy+0x45/0x50 [ 650.795958] ? __copy_skb_header+0x350/0x6b0 [ 650.800368] ? skb_release_data+0x880/0x880 [ 650.804694] ? __alloc_skb+0x770/0x770 [ 650.808591] ? __lock_is_held+0xb5/0x140 [ 650.812664] ? kasan_check_write+0x14/0x20 [ 650.816900] ? __skb_clone+0x6c7/0xa00 [ 650.820792] ? __copy_skb_header+0x6b0/0x6b0 [ 650.825248] ? kmem_cache_alloc+0x33a/0x730 [ 650.829599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.835155] skb_ensure_writable+0x3dd/0x640 [ 650.839598] ? skb_checksum_setup+0xaa0/0xaa0 [ 650.844110] ? preempt_notifier_register+0x200/0x200 [ 650.849213] ? __switch_to_asm+0x34/0x70 [ 650.853283] ? __switch_to_asm+0x34/0x70 [ 650.857344] ? __switch_to_asm+0x40/0x70 [ 650.861406] ? __switch_to_asm+0x34/0x70 [ 650.865467] ? __switch_to_asm+0x40/0x70 [ 650.869530] ? __switch_to_asm+0x40/0x70 [ 650.873589] ? __switch_to_asm+0x34/0x70 [ 650.877667] ? __switch_to_asm+0x34/0x70 [ 650.881728] ? __switch_to_asm+0x40/0x70 [ 650.885817] ? __switch_to_asm+0x34/0x70 [ 650.889887] bpf_clone_redirect+0x14a/0x490 [ 650.894221] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 650.899243] ? __sched_text_start+0x8/0x8 [ 650.903401] ? retint_kernel+0x2d/0x2d [ 650.907321] ? find_held_lock+0x36/0x1c0 [ 650.911395] ? lock_acquire+0x1ed/0x520 [ 650.915371] ? bpf_test_run+0x3cb/0x780 [ 650.919348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.924889] ? check_preemption_disabled+0x48/0x280 [ 650.929918] ? kasan_check_read+0x11/0x20 [ 650.934066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 650.939346] ? rcu_softirq_qs+0x20/0x20 [ 650.943333] ? preempt_schedule+0x4d/0x60 [ 650.947482] ? ___preempt_schedule+0x16/0x18 [ 650.951929] ? bpf_test_run+0x25d/0x780 [ 650.955922] ? netlink_diag_dump+0x2a0/0x2a0 [ 650.960336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.965876] ? bpf_test_init.isra.10+0x70/0x100 [ 650.970552] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 650.975322] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.980165] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 650.985701] ? fput+0x130/0x1a0 [ 650.989001] ? __bpf_prog_get+0x9b/0x290 [ 650.993075] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.997921] ? bpf_prog_test_run+0x130/0x1a0 [ 651.002336] ? __x64_sys_bpf+0x3d8/0x520 [ 651.006398] ? bpf_prog_get+0x20/0x20 [ 651.010242] ? do_syscall_64+0x1b9/0x820 [ 651.014326] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 651.019706] ? syscall_return_slowpath+0x5e0/0x5e0 [ 651.024656] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.029693] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 651.034751] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 651.041433] ? __switch_to_asm+0x40/0x70 [ 651.045492] ? __switch_to_asm+0x34/0x70 [ 651.049559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.054410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.060060] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 651.060132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 651.067074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 651.067079] Call Trace: [ 651.067086] <IRQ> [ 651.067104] dump_stack+0x244/0x39d [ 651.067123] ? dump_stack_print_info.cold.1+0x20/0x20 [ 651.074134] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 651.082955] warn_alloc.cold.116+0xb7/0x1bd [ 651.085513] syz-executor3 cpuset=syz3 mems_allowed=0 [ 651.087667] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 651.121235] ? lock_downgrade+0x900/0x900 [ 651.125403] ? trace_hardirqs_off+0xb8/0x310 [ 651.129819] ? trace_hardirqs_off+0xb8/0x310 [ 651.134236] __alloc_pages_slowpath+0x2651/0x2de0 [ 651.139113] ? warn_alloc+0x120/0x120 [ 651.142921] ? print_usage_bug+0xc0/0xc0 [ 651.146987] ? warn_alloc+0x120/0x120 [ 651.150793] ? warn_alloc+0x120/0x120 [ 651.154614] ? print_usage_bug+0xc0/0xc0 [ 651.158676] ? kvm_clock_read+0x18/0x30 [ 651.162697] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 651.167730] ? print_usage_bug+0xc0/0xc0 [ 651.171812] ? __lock_acquire+0x62f/0x4c20 [ 651.176056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.181595] ? should_fail+0x22d/0xd01 [ 651.185495] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 651.190782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.195884] ? __lock_acquire+0x62f/0x4c20 [ 651.200122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.205246] ? __lock_acquire+0x62f/0x4c20 [ 651.209493] ? should_fail+0x22d/0xd01 [ 651.213383] ? rcu_irq_exit+0x1a2/0x390 [ 651.217375] ? mark_held_locks+0x130/0x130 [ 651.221652] ? mark_held_locks+0x130/0x130 [ 651.225896] ? mark_held_locks+0xc7/0x130 [ 651.230048] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 651.235069] ? zap_class+0x640/0x640 [ 651.238782] ? print_usage_bug+0xc0/0xc0 [ 651.242849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.248386] ? check_preemption_disabled+0x48/0x280 [ 651.253410] ? __lock_is_held+0xb5/0x140 [ 651.257498] __alloc_pages_nodemask+0xad8/0xea0 [ 651.262173] ? zap_class+0x640/0x640 [ 651.265891] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 651.270918] ? find_held_lock+0x36/0x1c0 [ 651.275007] ? ____cache_alloc_node+0x1c7/0x1e0 [ 651.279680] ? lock_downgrade+0x900/0x900 [ 651.283836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.289392] cache_grow_begin+0xa5/0x8c0 [ 651.293452] ? do_raw_spin_unlock+0xa7/0x330 [ 651.297869] fallback_alloc+0x204/0x2e0 [ 651.301864] ____cache_alloc_node+0x1c7/0x1e0 [ 651.306363] kmem_cache_alloc_node+0xe3/0x730 [ 651.310858] ? ipv6_get_ifaddr+0x42e/0x620 [ 651.315108] __alloc_skb+0x119/0x770 [ 651.318830] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 651.324114] ? netdev_alloc_frag+0x1f0/0x1f0 [ 651.328525] ? lock_downgrade+0x900/0x900 [ 651.332685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.338226] ? refcount_sub_and_test_checked+0x203/0x310 [ 651.343687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 651.349137] ? addrconf_rs_timer+0x690/0x690 [ 651.353562] ndisc_alloc_skb+0x144/0x340 [ 651.357628] ndisc_send_rs+0x331/0x6e0 [ 651.361540] addrconf_rs_timer+0x314/0x690 [ 651.365782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 651.370030] call_timer_fn+0x272/0x920 [ 651.373919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 651.378168] ? process_timeout+0x40/0x40 [ 651.382242] ? mark_held_locks+0xc7/0x130 [ 651.386437] ? _raw_spin_unlock_irq+0x27/0x80 [ 651.390932] ? _raw_spin_unlock_irq+0x27/0x80 [ 651.395454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 651.399689] ? lockdep_hardirqs_on+0x296/0x5b0 [ 651.404313] ? trace_hardirqs_on+0xbd/0x310 [ 651.408636] ? kasan_check_read+0x11/0x20 [ 651.412783] ? __run_timers+0x7da/0xc70 [ 651.416774] ? trace_hardirqs_off_caller+0x310/0x310 [ 651.421915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 651.426173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 651.430406] __run_timers+0x7e5/0xc70 [ 651.434217] ? timer_fixup_init+0x70/0x70 [ 651.438369] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 651.443385] ? zap_class+0x640/0x640 [ 651.447120] ? print_usage_bug+0xc0/0xc0 [ 651.451186] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 651.456384] ? find_held_lock+0x36/0x1c0 [ 651.460459] ? zap_class+0x640/0x640 [ 651.464182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.469734] ? check_preemption_disabled+0x48/0x280 [ 651.474763] ? __lock_is_held+0xb5/0x140 [ 651.478831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.484373] ? check_preemption_disabled+0x48/0x280 [ 651.489392] run_timer_softirq+0x52/0xb0 [ 651.493453] ? rcu_read_lock_sched_held+0x14f/0x180 [ 651.498489] __do_softirq+0x308/0xb7e [ 651.502302] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 651.506799] ? lock_downgrade+0x900/0x900 [ 651.510953] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 651.516063] ? pvclock_read_flags+0x160/0x160 [ 651.520564] ? lapic_next_event+0x5a/0x90 [ 651.524720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.530288] ? kvm_clock_read+0x18/0x30 [ 651.534275] ? kvm_sched_clock_read+0x9/0x20 [ 651.538692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.544251] ? check_preemption_disabled+0x48/0x280 [ 651.549324] irq_exit+0x17f/0x1c0 [ 651.552781] smp_apic_timer_interrupt+0x1cb/0x760 [ 651.557623] ? smp_call_function_single_interrupt+0x159/0x650 [ 651.563509] ? smp_call_function_single_interrupt+0x650/0x650 [ 651.569423] ? interrupt_entry+0xb5/0xc0 [ 651.573489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.578504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.583524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.588402] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.593431] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.598461] ? task_prio+0x50/0x50 [ 651.602018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.607568] ? check_preemption_disabled+0x48/0x280 [ 651.612589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.617457] apic_timer_interrupt+0xf/0x20 [ 651.621684] </IRQ> [ 651.623921] RIP: 0010:rcu_is_watching+0x0/0x30 [ 651.628504] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 651.647498] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 651.655224] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 651.662492] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 651.669760] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 651.677026] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 651.684296] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 651.691603] ? list_lru_count_one+0x253/0x450 [ 651.696101] ? list_lru_count_one+0x35d/0x450 [ 651.700631] ? list_lru_count_one+0x362/0x450 [ 651.705127] ? list_lru_isolate_move+0x3c0/0x3c0 [ 651.709884] ? shmem_free_inode+0xd0/0xd0 [ 651.714034] ? __lock_is_held+0xb5/0x140 [ 651.718109] super_cache_count+0x1b9/0x2e0 [ 651.722363] do_shrink_slab+0x1b1/0xd30 [ 651.726353] ? snapshot_refaults+0x290/0x290 [ 651.730765] ? lock_release+0xa00/0xa00 [ 651.734748] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 651.739690] ? down_read_trylock+0xda/0x140 [ 651.744019] ? shrink_slab+0x207/0x8c0 [ 651.747912] ? downgrade_write+0x270/0x270 [ 651.752155] shrink_slab+0x389/0x8c0 [ 651.755869] ? shrink_active_list+0x1f00/0x1f00 [ 651.760552] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 651.766185] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 651.771307] ? cgroup_procs_write_finish+0xf0/0xf0 [ 651.776243] ? find_held_lock+0x36/0x1c0 [ 651.780325] shrink_node+0x431/0x16b0 [ 651.784137] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 651.789444] ? shrink_node_memcg+0x18f0/0x18f0 [ 651.794032] ? kvm_clock_read+0x18/0x30 [ 651.798011] ? ktime_get+0x2c1/0x400 [ 651.801734] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 651.806233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 651.811789] ? __cpuset_node_allowed+0x19b/0x660 [ 651.816553] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 651.822264] ? delayacct_end+0x5a/0x100 [ 651.826279] do_try_to_free_pages+0x3e7/0x1290 [ 651.830882] ? zap_class+0x640/0x640 [ 651.834615] ? shrink_node+0x16b0/0x16b0 [ 651.838698] ? __lock_is_held+0xb5/0x140 [ 651.842772] try_to_free_pages+0x4d0/0xb90 [ 651.847013] ? do_try_to_free_pages+0x1290/0x1290 [ 651.851870] ? lock_acquire+0x1ed/0x520 [ 651.855846] ? set_page_refcounted+0x280/0x280 [ 651.860436] ? lock_release+0xa00/0xa00 [ 651.864431] ? _raw_spin_unlock_irq+0x60/0x80 [ 651.868938] ? psi_memstall_enter+0x240/0x2b0 [ 651.873432] ? psi_memstall_tick+0x230/0x230 [ 651.877851] __alloc_pages_slowpath+0xa48/0x2de0 [ 651.882638] ? warn_alloc+0x120/0x120 [ 651.886436] ? mark_held_locks+0x130/0x130 [ 651.890699] ? find_get_entry+0xaae/0x1120 [ 651.894946] ? filemap_map_pages+0x1a20/0x1a20 [ 651.899541] ? zap_class+0x640/0x640 [ 651.903287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.908834] ? check_preemption_disabled+0x48/0x280 [ 651.913855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.919393] ? should_fail+0x22d/0xd01 [ 651.923311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.928421] ? zap_class+0x640/0x640 [ 651.932163] ? __lock_is_held+0xb5/0x140 [ 651.936253] ? mark_held_locks+0x130/0x130 [ 651.940501] ? lock_release+0xa00/0xa00 [ 651.944481] ? perf_trace_sched_process_exec+0x860/0x860 [ 651.949929] ? xa_load+0x2ba/0x460 [ 651.953488] ? lock_downgrade+0x900/0x900 [ 651.957659] ? __might_sleep+0x95/0x190 [ 651.961638] __alloc_pages_nodemask+0xad8/0xea0 [ 651.966506] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 651.971538] ? __page_cache_alloc+0x191/0x5c0 [ 651.976030] ? xa_load+0x2e1/0x460 [ 651.979572] ? xa_clear_mark+0x40/0x40 [ 651.983460] ? zap_class+0x640/0x640 [ 651.987182] ? zap_class+0x640/0x640 [ 651.990894] ? zap_class+0x640/0x640 [ 651.994608] ? __do_page_cache_readahead+0x663/0x810 [ 651.999721] ? find_held_lock+0x36/0x1c0 [ 652.003808] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 652.009354] alloc_pages_current+0x173/0x350 [ 652.013768] __page_cache_alloc+0x38c/0x5c0 [ 652.018088] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.023014] ? kasan_check_read+0x11/0x20 [ 652.027165] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.032446] ? generic_perform_write+0x6a0/0x6a0 [ 652.037205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.042757] ? check_preemption_disabled+0x48/0x280 [ 652.047780] filemap_fault+0x1595/0x25f0 [ 652.051855] ? __lock_page_or_retry+0xa00/0xa00 [ 652.056565] ? mark_held_locks+0x130/0x130 [ 652.060824] ? filemap_map_pages+0xd6b/0x1a20 [ 652.065321] ? lock_downgrade+0x900/0x900 [ 652.069505] ? check_preemption_disabled+0x48/0x280 [ 652.074540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.079599] ? kasan_check_read+0x11/0x20 [ 652.083755] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.089037] ? rcu_softirq_qs+0x20/0x20 [ 652.093029] ? filemap_map_pages+0xd92/0x1a20 [ 652.097657] ? find_get_entries_tag+0x1400/0x1400 [ 652.102526] ? debug_object_destroy+0x2b0/0x2b0 [ 652.107211] ? lock_pi_update_atomic+0x150/0x150 [ 652.111969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.117524] ? lock_acquire+0x1ed/0x520 [ 652.121506] ? ext4_filemap_fault+0x7a/0xad [ 652.125847] ? lock_release+0xa00/0xa00 [ 652.129822] ? perf_trace_sched_process_exec+0x860/0x860 [ 652.135283] ? print_usage_bug+0xc0/0xc0 [ 652.139350] ? print_usage_bug+0xc0/0xc0 [ 652.143428] ? down_read+0x8d/0x120 [ 652.147241] ? ext4_filemap_fault+0x7a/0xad [ 652.151575] ? __down_interruptible+0x700/0x700 [ 652.156255] ext4_filemap_fault+0x82/0xad [ 652.160763] __do_fault+0x100/0x6b0 [ 652.164392] ? release_sock+0x1ec/0x2c0 [ 652.168371] ? pmd_devmap_trans_unstable+0x220/0x220 [ 652.173483] ? mark_held_locks+0x130/0x130 [ 652.177721] ? mark_held_locks+0x130/0x130 [ 652.181956] ? lock_sock_nested+0x9a/0x120 [ 652.186209] ? __release_sock+0x3a0/0x3a0 [ 652.190364] ? __local_bh_enable_ip+0x160/0x260 [ 652.195040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.200584] __handle_mm_fault+0x3ea0/0x5be0 [ 652.205274] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 652.210118] ? apparmor_socket_sendmsg+0x29/0x30 [ 652.214881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.220425] ? security_socket_sendmsg+0x94/0xc0 [ 652.225186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.230773] ? zap_class+0x640/0x640 [ 652.234489] ? zap_class+0x640/0x640 [ 652.238207] ? __x64_sys_futex+0x53e/0x6a0 [ 652.242449] ? find_held_lock+0x36/0x1c0 [ 652.246521] ? handle_mm_fault+0x42a/0xc70 [ 652.250767] ? lock_downgrade+0x900/0x900 [ 652.254917] ? check_preemption_disabled+0x48/0x280 [ 652.259945] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.264876] ? kasan_check_read+0x11/0x20 [ 652.269024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.274308] ? rcu_softirq_qs+0x20/0x20 [ 652.278292] ? trace_hardirqs_off_caller+0x310/0x310 [ 652.283400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.288946] ? check_preemption_disabled+0x48/0x280 [ 652.293975] handle_mm_fault+0x54f/0xc70 [ 652.298042] ? __handle_mm_fault+0x5be0/0x5be0 [ 652.302636] ? find_vma+0x34/0x190 [ 652.306184] __do_page_fault+0x5e8/0xe60 [ 652.310248] ? trace_hardirqs_off+0xb8/0x310 [ 652.314663] ? __ia32_sys_read+0xb0/0xb0 [ 652.318733] do_page_fault+0xf2/0x7e0 [ 652.322541] ? vmalloc_sync_all+0x30/0x30 [ 652.326698] ? error_entry+0x70/0xd0 [ 652.330417] ? trace_hardirqs_off_caller+0xbb/0x310 [ 652.335432] ? trace_hardirqs_on_caller+0xc0/0x310 [ 652.340363] ? syscall_return_slowpath+0x5e0/0x5e0 [ 652.345299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.350144] ? trace_hardirqs_on_caller+0x310/0x310 [ 652.355162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 652.360623] ? prepare_exit_to_usermode+0x291/0x3b0 [ 652.365640] ? page_fault+0x8/0x30 [ 652.369184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.374118] ? page_fault+0x8/0x30 [ 652.377660] page_fault+0x1e/0x30 [ 652.381112] RIP: 0033:0x45ddf3 [ 652.384318] Code: Bad RIP value. [ 652.387678] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 652.393039] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 652.400306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 652.407577] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 652.414844] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 652.422111] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 652.429419] warn_alloc_show_mem: 1 callbacks suppressed [ 652.429431] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 652.429433] Mem-Info: [ 652.429464] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 652.429464] active_file:13 inactive_file:14 isolated_file:0 [ 652.429464] unevictable:0 dirty:0 writeback:0 unstable:0 [ 652.429464] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 652.429464] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 652.429464] free:13773 free_pcp:174 free_cma:0 [ 652.434831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 652.442109] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 652.444512] Call Trace: [ 652.477472] 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 [ 652.486820] <IRQ> [ 652.514317] lowmem_reserve[]: 0 2818 6321 6321 [ 652.516916] dump_stack+0x244/0x39d [ 652.543012] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 652.545163] ? dump_stack_print_info.cold.1+0x20/0x20 [ 652.549726] lowmem_reserve[]: 0 0 3503 3503 [ 652.553372] warn_alloc.cold.116+0xb7/0x1bd [ 652.580837] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 652.586024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 652.590326] lowmem_reserve[]: 0 0 0 0 [ 652.594647] ? lock_downgrade+0x900/0x900 [ 652.623506] 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 [ 652.628352] ? trace_hardirqs_off+0xb8/0x310 [ 652.632128] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 652.636281] ? trace_hardirqs_off+0xb8/0x310 [ 652.649783] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 652.654189] __alloc_pages_slowpath+0x2651/0x2de0 [ 652.670123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 652.674547] ? warn_alloc+0x120/0x120 [ 652.688118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 652.692944] ? warn_alloc+0x120/0x120 [ 652.701757] 271 total pagecache pages [ 652.705551] ? warn_alloc+0x120/0x120 [ 652.714111] 0 pages in swap cache [ 652.717916] ? print_usage_bug+0xc0/0xc0 [ 652.721705] Swap cache stats: add 0, delete 0, find 0/0 [ 652.725515] ? check_usage_forwards+0x3d0/0x3d0 [ 652.728954] Free swap = 0kB [ 652.733039] ? print_usage_bug+0xc0/0xc0 [ 652.738373] Total swap = 0kB [ 652.743050] ? print_usage_bug+0xc0/0xc0 [ 652.746061] 1965979 pages RAM [ 652.750146] ? check_usage+0x1aa/0x790 [ 652.753142] 0 pages HighMem/MovableOnly [ 652.753151] 342854 pages reserved [ 652.757204] ? lockdep_on+0x50/0x50 [ 652.760292] 0 pages cma reserved [ 652.764176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.768234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 652.771606] ? should_fail+0x22d/0xd01 [ 652.775321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 652.778586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.784100] syz-fuzzer cpuset=/ mems_allowed=0 [ 652.790629] ? __lock_acquire+0x62f/0x4c20 [ 652.818631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.823759] ? __lock_acquire+0x62f/0x4c20 [ 652.827991] ? should_fail+0x22d/0xd01 [ 652.831885] ? mark_held_locks+0x130/0x130 [ 652.836155] ? mark_held_locks+0x130/0x130 [ 652.840421] ? try_to_wake_up+0x11c/0x1490 [ 652.844654] ? lock_downgrade+0x900/0x900 [ 652.848801] ? zap_class+0x640/0x640 [ 652.852535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.858094] ? check_preemption_disabled+0x48/0x280 [ 652.863119] ? __lock_is_held+0xb5/0x140 [ 652.867201] __alloc_pages_nodemask+0xad8/0xea0 [ 652.871904] ? zap_class+0x640/0x640 [ 652.875644] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 652.880685] ? find_held_lock+0x36/0x1c0 [ 652.884756] ? ____cache_alloc_node+0x1c7/0x1e0 [ 652.889471] ? lock_downgrade+0x900/0x900 [ 652.893630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.899181] cache_grow_begin+0xa5/0x8c0 [ 652.903254] ? do_raw_spin_unlock+0xa7/0x330 [ 652.907716] fallback_alloc+0x204/0x2e0 [ 652.911715] ____cache_alloc_node+0x1c7/0x1e0 [ 652.916220] kmem_cache_alloc+0x1f8/0x730 [ 652.920382] __build_skb+0xab/0x430 [ 652.924014] ? skb_try_coalesce+0x1b70/0x1b70 [ 652.928516] ? trace_hardirqs_on+0xbd/0x310 [ 652.932846] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 652.938391] ? trace_hardirqs_off_caller+0x310/0x310 [ 652.943513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.949058] ? check_preemption_disabled+0x48/0x280 [ 652.954083] __netdev_alloc_skb+0x2b5/0x450 [ 652.958415] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 652.963790] ? br_send_bpdu_finish+0x20/0x20 [ 652.968209] ? mark_held_locks+0x130/0x130 [ 652.972453] ? __lock_acquire+0x62f/0x4c20 [ 652.976687] ? queue_work_on+0x148/0x1e0 [ 652.980750] ? lockdep_hardirqs_on+0x296/0x5b0 [ 652.985358] br_send_config_bpdu+0xc9d/0x10a0 [ 652.989856] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 652.995489] ? queue_work_on+0x12c/0x1e0 [ 652.999555] br_transmit_config+0x8cd/0xbb0 [ 653.003925] ? br_get_port+0x280/0x280 [ 653.008195] ? lock_acquire+0x1ed/0x520 [ 653.012171] ? br_hello_timer_expired+0x20/0x190 [ 653.016981] ? kasan_check_read+0x11/0x20 [ 653.021184] br_config_bpdu_generation+0x16a/0x1c0 [ 653.026184] br_hello_timer_expired+0xa9/0x190 [ 653.030782] call_timer_fn+0x272/0x920 [ 653.034668] ? br_is_root_bridge+0x40/0x40 [ 653.038899] ? process_timeout+0x40/0x40 [ 653.042981] ? __run_timers+0x7da/0xc70 [ 653.046986] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.051479] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.055971] ? br_is_root_bridge+0x40/0x40 [ 653.060206] ? lockdep_hardirqs_on+0x296/0x5b0 [ 653.064792] ? trace_hardirqs_on+0xbd/0x310 [ 653.069109] ? kasan_check_read+0x11/0x20 [ 653.073283] ? __run_timers+0x7da/0xc70 [ 653.077257] ? trace_hardirqs_off_caller+0x310/0x310 [ 653.082396] ? br_is_root_bridge+0x40/0x40 [ 653.086628] __run_timers+0x7e5/0xc70 [ 653.090435] ? timer_fixup_init+0x70/0x70 [ 653.094582] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 653.099611] ? zap_class+0x640/0x640 [ 653.103345] ? enqueue_hrtimer+0x1a5/0x560 [ 653.107598] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 653.112794] ? find_held_lock+0x36/0x1c0 [ 653.116864] ? zap_class+0x640/0x640 [ 653.120579] ? pvclock_read_flags+0x160/0x160 [ 653.125070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.130609] ? check_preemption_disabled+0x48/0x280 [ 653.135632] ? __lock_is_held+0xb5/0x140 [ 653.139694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.145246] ? check_preemption_disabled+0x48/0x280 [ 653.150280] run_timer_softirq+0x52/0xb0 [ 653.154358] ? rcu_read_lock_sched_held+0x14f/0x180 [ 653.159402] __do_softirq+0x308/0xb7e [ 653.163222] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 653.167733] ? lock_downgrade+0x900/0x900 [ 653.171881] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 653.176993] ? pvclock_read_flags+0x160/0x160 [ 653.181505] ? lapic_next_event+0x5a/0x90 [ 653.185652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.191197] ? kvm_clock_read+0x18/0x30 [ 653.195172] ? kvm_sched_clock_read+0x9/0x20 [ 653.199581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.205130] ? check_preemption_disabled+0x48/0x280 [ 653.210153] irq_exit+0x17f/0x1c0 [ 653.213608] smp_apic_timer_interrupt+0x1cb/0x760 [ 653.218447] ? smp_reschedule_interrupt+0x109/0x650 [ 653.223462] ? smp_call_function_single_interrupt+0x650/0x650 [ 653.229348] ? interrupt_entry+0xb5/0xc0 [ 653.233430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.238445] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.243464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.248310] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.253327] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.258357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.263211] apic_timer_interrupt+0xf/0x20 [ 653.267455] </IRQ> [ 653.269698] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 653.275602] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 653.294502] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 653.302208] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 653.309479] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 653.316749] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 653.324013] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 653.331297] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 653.338599] ? save_stack+0xa9/0xd0 [ 653.342242] __kmalloc_node_track_caller+0x3c/0x70 [ 653.347181] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 653.351991] pskb_expand_head+0x230/0x10f0 [ 653.356229] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 653.361683] ? memcpy+0x45/0x50 [ 653.364995] ? __copy_skb_header+0x350/0x6b0 [ 653.369403] ? skb_release_data+0x880/0x880 [ 653.373757] ? __alloc_skb+0x770/0x770 [ 653.377658] ? __lock_is_held+0xb5/0x140 [ 653.381729] ? kasan_check_write+0x14/0x20 [ 653.385964] ? __skb_clone+0x6c7/0xa00 [ 653.389868] ? __copy_skb_header+0x6b0/0x6b0 [ 653.394281] ? kmem_cache_alloc+0x33a/0x730 [ 653.398641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.404190] skb_ensure_writable+0x3dd/0x640 [ 653.408619] ? skb_checksum_setup+0xaa0/0xaa0 [ 653.413116] ? preempt_notifier_register+0x200/0x200 [ 653.418231] ? __switch_to_asm+0x34/0x70 [ 653.422300] ? __switch_to_asm+0x34/0x70 [ 653.426377] ? __switch_to_asm+0x40/0x70 [ 653.430440] ? __switch_to_asm+0x34/0x70 [ 653.434499] ? __switch_to_asm+0x40/0x70 [ 653.438559] ? __switch_to_asm+0x40/0x70 [ 653.442637] ? __switch_to_asm+0x34/0x70 [ 653.446712] ? __switch_to_asm+0x34/0x70 [ 653.450771] ? __switch_to_asm+0x40/0x70 [ 653.454831] ? __switch_to_asm+0x34/0x70 [ 653.458901] bpf_clone_redirect+0x14a/0x490 [ 653.463232] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 653.468252] ? __sched_text_start+0x8/0x8 [ 653.472411] ? retint_kernel+0x2d/0x2d [ 653.476319] ? find_held_lock+0x36/0x1c0 [ 653.480392] ? lock_acquire+0x1ed/0x520 [ 653.484372] ? bpf_test_run+0x3cb/0x780 [ 653.488348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.493891] ? check_preemption_disabled+0x48/0x280 [ 653.498916] ? kasan_check_read+0x11/0x20 [ 653.503095] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 653.508375] ? rcu_softirq_qs+0x20/0x20 [ 653.512353] ? preempt_schedule+0x4d/0x60 [ 653.516506] ? ___preempt_schedule+0x16/0x18 [ 653.520926] ? bpf_test_run+0x25d/0x780 [ 653.524913] ? netlink_diag_dump+0x2a0/0x2a0 [ 653.529513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.535053] ? bpf_test_init.isra.10+0x70/0x100 [ 653.539747] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 653.544514] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 653.549355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 653.554893] ? fput+0x130/0x1a0 [ 653.558211] ? __bpf_prog_get+0x9b/0x290 [ 653.562285] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 653.567148] ? bpf_prog_test_run+0x130/0x1a0 [ 653.571563] ? __x64_sys_bpf+0x3d8/0x520 [ 653.575625] ? bpf_prog_get+0x20/0x20 [ 653.579450] ? do_syscall_64+0x1b9/0x820 [ 653.583513] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 653.588883] ? syscall_return_slowpath+0x5e0/0x5e0 [ 653.593812] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.598841] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 653.603889] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 653.610549] ? __switch_to_asm+0x40/0x70 [ 653.614622] ? __switch_to_asm+0x34/0x70 [ 653.618686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.623539] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 653.628937] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 653.629053] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 653.635963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 653.646429] syz-executor3 cpuset=syz3 mems_allowed=0 [ 653.655778] Call Trace: [ 653.663444] <IRQ> [ 653.665599] dump_stack+0x244/0x39d [ 653.669230] ? dump_stack_print_info.cold.1+0x20/0x20 [ 653.674443] warn_alloc.cold.116+0xb7/0x1bd [ 653.678771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 653.683615] ? lock_downgrade+0x900/0x900 [ 653.687767] ? trace_hardirqs_off+0xb8/0x310 [ 653.692178] ? trace_hardirqs_off+0xb8/0x310 [ 653.696596] __alloc_pages_slowpath+0x2651/0x2de0 [ 653.701462] ? warn_alloc+0x120/0x120 [ 653.705260] ? print_usage_bug+0xc0/0xc0 [ 653.709332] ? warn_alloc+0x120/0x120 [ 653.713142] ? warn_alloc+0x120/0x120 [ 653.716937] ? print_usage_bug+0xc0/0xc0 [ 653.721009] ? kvm_clock_read+0x18/0x30 [ 653.724983] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 653.730005] ? print_usage_bug+0xc0/0xc0 [ 653.734069] ? __lock_acquire+0x62f/0x4c20 [ 653.738309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.743930] ? should_fail+0x22d/0xd01 [ 653.747842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 653.753136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.758240] ? __lock_acquire+0x62f/0x4c20 [ 653.762488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.767588] ? __lock_acquire+0x62f/0x4c20 [ 653.771818] ? should_fail+0x22d/0xd01 [ 653.775697] ? rcu_irq_exit+0x1a2/0x390 [ 653.779674] ? mark_held_locks+0x130/0x130 [ 653.783907] ? mark_held_locks+0x130/0x130 [ 653.788145] ? mark_held_locks+0xc7/0x130 [ 653.792296] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 653.797307] ? zap_class+0x640/0x640 [ 653.801036] ? print_usage_bug+0xc0/0xc0 [ 653.805108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.810647] ? check_preemption_disabled+0x48/0x280 [ 653.815697] ? __lock_is_held+0xb5/0x140 [ 653.819763] __alloc_pages_nodemask+0xad8/0xea0 [ 653.824434] ? zap_class+0x640/0x640 [ 653.828151] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 653.833177] ? find_held_lock+0x36/0x1c0 [ 653.837249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 653.841973] ? lock_downgrade+0x900/0x900 [ 653.846131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.851705] cache_grow_begin+0xa5/0x8c0 [ 653.855764] ? do_raw_spin_unlock+0xa7/0x330 [ 653.860194] fallback_alloc+0x204/0x2e0 [ 653.864193] ____cache_alloc_node+0x1c7/0x1e0 [ 653.868707] kmem_cache_alloc_node+0xe3/0x730 [ 653.873562] ? ipv6_get_ifaddr+0x42e/0x620 [ 653.877809] __alloc_skb+0x119/0x770 [ 653.881524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 653.886807] ? netdev_alloc_frag+0x1f0/0x1f0 [ 653.891229] ? lock_downgrade+0x900/0x900 [ 653.895419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.900954] ? refcount_sub_and_test_checked+0x203/0x310 [ 653.906435] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 653.911904] ? addrconf_rs_timer+0x690/0x690 [ 653.916344] ndisc_alloc_skb+0x144/0x340 [ 653.920412] ndisc_send_rs+0x331/0x6e0 [ 653.924330] addrconf_rs_timer+0x314/0x690 [ 653.928572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.932816] call_timer_fn+0x272/0x920 [ 653.936706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.940942] ? process_timeout+0x40/0x40 [ 653.945012] ? mark_held_locks+0xc7/0x130 [ 653.949163] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.953655] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.958162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.962591] ? lockdep_hardirqs_on+0x296/0x5b0 [ 653.967174] ? trace_hardirqs_on+0xbd/0x310 [ 653.971495] ? kasan_check_read+0x11/0x20 [ 653.975641] ? __run_timers+0x7da/0xc70 [ 653.979616] ? trace_hardirqs_off_caller+0x310/0x310 [ 653.984725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.988963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.993195] __run_timers+0x7e5/0xc70 [ 653.997010] ? timer_fixup_init+0x70/0x70 [ 654.001163] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 654.006181] ? zap_class+0x640/0x640 [ 654.009902] ? print_usage_bug+0xc0/0xc0 [ 654.013967] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 654.019180] ? find_held_lock+0x36/0x1c0 [ 654.023258] ? zap_class+0x640/0x640 [ 654.026982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.032519] ? check_preemption_disabled+0x48/0x280 [ 654.037554] ? __lock_is_held+0xb5/0x140 [ 654.041614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.047146] ? check_preemption_disabled+0x48/0x280 [ 654.052164] run_timer_softirq+0x52/0xb0 [ 654.056225] ? rcu_read_lock_sched_held+0x14f/0x180 [ 654.061241] __do_softirq+0x308/0xb7e [ 654.065048] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 654.069544] ? lock_downgrade+0x900/0x900 [ 654.073697] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 654.078804] ? pvclock_read_flags+0x160/0x160 [ 654.083309] ? lapic_next_event+0x5a/0x90 [ 654.087457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.093016] ? kvm_clock_read+0x18/0x30 [ 654.097127] ? kvm_sched_clock_read+0x9/0x20 [ 654.101562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.107101] ? check_preemption_disabled+0x48/0x280 [ 654.112160] irq_exit+0x17f/0x1c0 [ 654.115619] smp_apic_timer_interrupt+0x1cb/0x760 [ 654.120466] ? smp_call_function_single_interrupt+0x159/0x650 [ 654.126356] ? smp_call_function_single_interrupt+0x650/0x650 [ 654.132239] ? interrupt_entry+0xb5/0xc0 [ 654.136311] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.141344] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.146364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.151210] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.156230] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.161248] ? task_prio+0x50/0x50 [ 654.164972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.170510] ? check_preemption_disabled+0x48/0x280 [ 654.175575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.180429] apic_timer_interrupt+0xf/0x20 [ 654.184660] </IRQ> [ 654.186912] RIP: 0010:rcu_is_watching+0x0/0x30 [ 654.191495] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 654.210391] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 654.218098] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 654.225376] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 654.232657] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 654.239926] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 654.247211] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 654.254499] ? list_lru_count_one+0x253/0x450 [ 654.259002] ? list_lru_count_one+0x35d/0x450 [ 654.263504] ? list_lru_count_one+0x362/0x450 [ 654.268007] ? list_lru_isolate_move+0x3c0/0x3c0 [ 654.272766] ? shmem_free_inode+0xd0/0xd0 [ 654.276921] ? __lock_is_held+0xb5/0x140 [ 654.281009] super_cache_count+0x1b9/0x2e0 [ 654.285248] do_shrink_slab+0x1b1/0xd30 [ 654.289297] ? snapshot_refaults+0x290/0x290 [ 654.293726] ? lock_release+0xa00/0xa00 [ 654.297710] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 654.302651] ? down_read_trylock+0xda/0x140 [ 654.306970] ? shrink_slab+0x207/0x8c0 [ 654.310860] ? downgrade_write+0x270/0x270 [ 654.315109] shrink_slab+0x389/0x8c0 [ 654.318826] ? shrink_active_list+0x1f00/0x1f00 [ 654.323521] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 654.329166] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 654.334282] ? cgroup_procs_write_finish+0xf0/0xf0 [ 654.339252] ? find_held_lock+0x36/0x1c0 [ 654.343362] shrink_node+0x431/0x16b0 [ 654.347165] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 654.352468] ? shrink_node_memcg+0x18f0/0x18f0 [ 654.357060] ? kvm_clock_read+0x18/0x30 [ 654.361054] ? ktime_get+0x2c1/0x400 [ 654.364774] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 654.369281] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 654.374836] ? __cpuset_node_allowed+0x19b/0x660 [ 654.379602] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 654.385318] ? delayacct_end+0x5a/0x100 [ 654.389311] do_try_to_free_pages+0x3e7/0x1290 [ 654.393897] ? zap_class+0x640/0x640 [ 654.397630] ? shrink_node+0x16b0/0x16b0 [ 654.401696] ? __lock_is_held+0xb5/0x140 [ 654.405773] try_to_free_pages+0x4d0/0xb90 [ 654.410015] ? do_try_to_free_pages+0x1290/0x1290 [ 654.414873] ? lock_acquire+0x1ed/0x520 [ 654.418847] ? set_page_refcounted+0x280/0x280 [ 654.423436] ? lock_release+0xa00/0xa00 [ 654.427413] ? _raw_spin_unlock_irq+0x60/0x80 [ 654.431911] ? psi_memstall_enter+0x240/0x2b0 [ 654.436413] ? psi_memstall_tick+0x230/0x230 [ 654.440836] __alloc_pages_slowpath+0xa48/0x2de0 [ 654.445627] ? warn_alloc+0x120/0x120 [ 654.449429] ? mark_held_locks+0x130/0x130 [ 654.453673] ? find_get_entry+0xaae/0x1120 [ 654.457919] ? filemap_map_pages+0x1a20/0x1a20 [ 654.462513] ? zap_class+0x640/0x640 [ 654.466243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.471791] ? check_preemption_disabled+0x48/0x280 [ 654.476809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.482351] ? should_fail+0x22d/0xd01 [ 654.486245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 654.491357] ? zap_class+0x640/0x640 [ 654.495099] ? __lock_is_held+0xb5/0x140 [ 654.499170] ? mark_held_locks+0x130/0x130 [ 654.503412] ? lock_release+0xa00/0xa00 [ 654.507390] ? perf_trace_sched_process_exec+0x860/0x860 [ 654.512840] ? xa_load+0x2ba/0x460 [ 654.516384] ? lock_downgrade+0x900/0x900 [ 654.520556] ? __might_sleep+0x95/0x190 [ 654.524543] __alloc_pages_nodemask+0xad8/0xea0 [ 654.529232] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 654.534252] ? __page_cache_alloc+0x191/0x5c0 [ 654.538763] ? xa_load+0x2e1/0x460 [ 654.542308] ? xa_clear_mark+0x40/0x40 [ 654.546215] ? zap_class+0x640/0x640 [ 654.549940] ? zap_class+0x640/0x640 [ 654.553656] ? zap_class+0x640/0x640 [ 654.557369] ? __do_page_cache_readahead+0x663/0x810 [ 654.562493] ? find_held_lock+0x36/0x1c0 [ 654.566579] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 654.572127] alloc_pages_current+0x173/0x350 [ 654.576547] __page_cache_alloc+0x38c/0x5c0 [ 654.580872] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.585802] ? kasan_check_read+0x11/0x20 [ 654.589948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.595228] ? generic_perform_write+0x6a0/0x6a0 [ 654.599986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.605527] ? check_preemption_disabled+0x48/0x280 [ 654.610562] filemap_fault+0x1595/0x25f0 [ 654.614639] ? __lock_page_or_retry+0xa00/0xa00 [ 654.619325] ? mark_held_locks+0x130/0x130 [ 654.623590] ? filemap_map_pages+0xd6b/0x1a20 [ 654.628115] ? lock_downgrade+0x900/0x900 [ 654.632282] ? check_preemption_disabled+0x48/0x280 [ 654.637334] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.642265] ? kasan_check_read+0x11/0x20 [ 654.646421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.651700] ? rcu_softirq_qs+0x20/0x20 [ 654.655701] ? filemap_map_pages+0xd92/0x1a20 [ 654.660212] ? find_get_entries_tag+0x1400/0x1400 [ 654.665063] ? debug_object_destroy+0x2b0/0x2b0 [ 654.669737] ? lock_pi_update_atomic+0x150/0x150 [ 654.674529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.680116] ? lock_acquire+0x1ed/0x520 [ 654.684090] ? ext4_filemap_fault+0x7a/0xad [ 654.688422] ? lock_release+0xa00/0xa00 [ 654.692395] ? perf_trace_sched_process_exec+0x860/0x860 [ 654.697880] ? print_usage_bug+0xc0/0xc0 [ 654.701958] ? print_usage_bug+0xc0/0xc0 [ 654.706035] ? down_read+0x8d/0x120 [ 654.709661] ? ext4_filemap_fault+0x7a/0xad [ 654.713985] ? __down_interruptible+0x700/0x700 [ 654.718663] ext4_filemap_fault+0x82/0xad [ 654.722813] __do_fault+0x100/0x6b0 [ 654.726438] ? release_sock+0x1ec/0x2c0 [ 654.730415] ? pmd_devmap_trans_unstable+0x220/0x220 [ 654.735522] ? mark_held_locks+0x130/0x130 [ 654.739770] ? mark_held_locks+0x130/0x130 [ 654.744003] ? lock_sock_nested+0x9a/0x120 [ 654.748239] ? __release_sock+0x3a0/0x3a0 [ 654.752459] ? __local_bh_enable_ip+0x160/0x260 [ 654.757152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.762695] __handle_mm_fault+0x3ea0/0x5be0 [ 654.767112] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 654.771958] ? apparmor_socket_sendmsg+0x29/0x30 [ 654.776716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.782290] ? security_socket_sendmsg+0x94/0xc0 [ 654.787084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.792639] ? zap_class+0x640/0x640 [ 654.796399] ? zap_class+0x640/0x640 [ 654.800126] ? __x64_sys_futex+0x53e/0x6a0 [ 654.804400] ? find_held_lock+0x36/0x1c0 [ 654.808473] ? handle_mm_fault+0x42a/0xc70 [ 654.812723] ? lock_downgrade+0x900/0x900 [ 654.816878] ? check_preemption_disabled+0x48/0x280 [ 654.821896] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.826825] ? kasan_check_read+0x11/0x20 [ 654.830970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.836247] ? rcu_softirq_qs+0x20/0x20 [ 654.840230] ? trace_hardirqs_off_caller+0x310/0x310 [ 654.845337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.850881] ? check_preemption_disabled+0x48/0x280 [ 654.855936] handle_mm_fault+0x54f/0xc70 [ 654.860015] ? __handle_mm_fault+0x5be0/0x5be0 [ 654.864605] ? find_vma+0x34/0x190 [ 654.868152] __do_page_fault+0x5e8/0xe60 [ 654.872212] ? trace_hardirqs_off+0xb8/0x310 [ 654.876634] ? __ia32_sys_read+0xb0/0xb0 [ 654.880704] do_page_fault+0xf2/0x7e0 [ 654.884507] ? vmalloc_sync_all+0x30/0x30 [ 654.888677] ? error_entry+0x70/0xd0 [ 654.892392] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.897443] ? trace_hardirqs_on_caller+0xc0/0x310 [ 654.902388] ? syscall_return_slowpath+0x5e0/0x5e0 [ 654.907337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.912188] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.917205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 654.922662] ? prepare_exit_to_usermode+0x291/0x3b0 [ 654.927700] ? page_fault+0x8/0x30 [ 654.931254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.936132] ? page_fault+0x8/0x30 [ 654.939675] page_fault+0x1e/0x30 [ 654.943126] RIP: 0033:0x45ddf3 [ 654.946326] Code: Bad RIP value. [ 654.949685] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 654.955045] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 654.962311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 654.969577] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 654.976849] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 654.984119] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 654.991434] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 654.991440] warn_alloc_show_mem: 1 callbacks suppressed [ 654.991447] Mem-Info: [ 654.998719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.004087] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 655.004087] active_file:13 inactive_file:14 isolated_file:0 [ 655.004087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 655.004087] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 655.004087] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 655.004087] free:13773 free_pcp:174 free_cma:0 [ 655.006462] Call Trace: [ 655.015850] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 655.048788] <IRQ> [ 655.051362] 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 [ 655.078870] dump_stack+0x244/0x39d [ 655.080998] lowmem_reserve[]: 0 2818 6321 6321 [ 655.107122] ? dump_stack_print_info.cold.1+0x20/0x20 [ 655.110756] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 655.115371] warn_alloc.cold.116+0xb7/0x1bd [ 655.120529] lowmem_reserve[]: 0 0 3503 3503 [ 655.148027] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 655.152328] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 655.156659] ? lock_downgrade+0x900/0x900 [ 655.161487] lowmem_reserve[]: 0 0 0 0 [ 655.190372] ? trace_hardirqs_off+0xb8/0x310 [ 655.194494] 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 [ 655.198302] ? trace_hardirqs_off+0xb8/0x310 [ 655.202686] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 655.216208] __alloc_pages_slowpath+0x2651/0x2de0 [ 655.220591] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 655.236582] ? warn_alloc+0x120/0x120 [ 655.241388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 655.254992] ? warn_alloc+0x120/0x120 [ 655.258773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 655.267599] ? warn_alloc+0x120/0x120 [ 655.271376] 271 total pagecache pages [ 655.279946] ? print_usage_bug+0xc0/0xc0 [ 655.283733] 0 pages in swap cache [ 655.287522] ? enqueue_hrtimer+0x1a5/0x560 [ 655.291574] Swap cache stats: add 0, delete 0, find 0/0 [ 655.295052] ? print_usage_bug+0xc0/0xc0 [ 655.299290] Free swap = 0kB [ 655.304649] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 655.308686] Total swap = 0kB [ 655.311703] ? print_usage_bug+0xc0/0xc0 [ 655.316879] 1965979 pages RAM [ 655.319895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.323931] 0 pages HighMem/MovableOnly [ 655.327038] ? should_fail+0x22d/0xd01 [ 655.332548] 342854 pages reserved [ 655.336550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.340417] 0 pages cma reserved [ 655.343865] ? __lock_acquire+0x62f/0x4c20 [ 655.349005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 655.352314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.356710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 655.363016] ? __lock_acquire+0x62f/0x4c20 [ 655.368094] syz-fuzzer cpuset=/ mems_allowed=0 [ 655.378311] ? should_fail+0x22d/0xd01 [ 655.378337] ? mark_held_locks+0x130/0x130 [ 655.395217] ? mark_held_locks+0x130/0x130 [ 655.399460] ? mark_held_locks+0x130/0x130 [ 655.403698] ? zap_class+0x640/0x640 [ 655.407440] ? check_preemption_disabled+0x48/0x280 [ 655.412459] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 655.416964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.422503] ? check_preemption_disabled+0x48/0x280 [ 655.427531] ? __lock_is_held+0xb5/0x140 [ 655.431600] __alloc_pages_nodemask+0xad8/0xea0 [ 655.436280] ? zap_class+0x640/0x640 [ 655.440003] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 655.445039] ? find_held_lock+0x36/0x1c0 [ 655.449109] ? ____cache_alloc_node+0x1c7/0x1e0 [ 655.453780] ? lock_downgrade+0x900/0x900 [ 655.457940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.463483] cache_grow_begin+0xa5/0x8c0 [ 655.467547] ? do_raw_spin_unlock+0xa7/0x330 [ 655.471965] fallback_alloc+0x204/0x2e0 [ 655.475949] ____cache_alloc_node+0x1c7/0x1e0 [ 655.480458] kmem_cache_alloc+0x1f8/0x730 [ 655.484635] __build_skb+0xab/0x430 [ 655.488287] ? skb_try_coalesce+0x1b70/0x1b70 [ 655.492791] ? trace_hardirqs_on+0xbd/0x310 [ 655.497119] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 655.502677] ? trace_hardirqs_off_caller+0x310/0x310 [ 655.507788] ? mod_timer+0x631/0x1560 [ 655.511598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.517142] ? check_preemption_disabled+0x48/0x280 [ 655.522209] __netdev_alloc_skb+0x2b5/0x450 [ 655.526545] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 655.531922] ? br_send_bpdu_finish+0x20/0x20 [ 655.536344] ? mark_held_locks+0x130/0x130 [ 655.540584] ? __lock_acquire+0x62f/0x4c20 [ 655.544820] ? queue_work_on+0x148/0x1e0 [ 655.548885] ? lockdep_hardirqs_on+0x296/0x5b0 [ 655.553484] br_send_config_bpdu+0xc9d/0x10a0 [ 655.557988] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 655.563628] ? round_jiffies+0x11c/0x170 [ 655.567701] ? queue_work_on+0x12c/0x1e0 [ 655.571781] br_transmit_config+0x8cd/0xbb0 [ 655.576116] ? br_get_port+0x280/0x280 [ 655.580010] ? lock_acquire+0x1ed/0x520 [ 655.583991] ? br_hello_timer_expired+0x20/0x190 [ 655.588761] ? kasan_check_read+0x11/0x20 [ 655.592931] br_config_bpdu_generation+0x16a/0x1c0 [ 655.597866] br_hello_timer_expired+0xa9/0x190 [ 655.602450] call_timer_fn+0x272/0x920 [ 655.606340] ? br_is_root_bridge+0x40/0x40 [ 655.610596] ? process_timeout+0x40/0x40 [ 655.614669] ? __run_timers+0x7da/0xc70 [ 655.618647] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.623140] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.627634] ? br_is_root_bridge+0x40/0x40 [ 655.631871] ? lockdep_hardirqs_on+0x296/0x5b0 [ 655.636458] ? trace_hardirqs_on+0xbd/0x310 [ 655.640784] ? kasan_check_read+0x11/0x20 [ 655.644932] ? __run_timers+0x7da/0xc70 [ 655.648908] ? trace_hardirqs_off_caller+0x310/0x310 [ 655.654026] ? br_is_root_bridge+0x40/0x40 [ 655.658266] __run_timers+0x7e5/0xc70 [ 655.662092] ? timer_fixup_init+0x70/0x70 [ 655.666281] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 655.671330] ? zap_class+0x640/0x640 [ 655.675073] ? enqueue_hrtimer+0x1a5/0x560 [ 655.679315] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 655.684515] ? find_held_lock+0x36/0x1c0 [ 655.688579] ? zap_class+0x640/0x640 [ 655.692346] ? pvclock_read_flags+0x160/0x160 [ 655.696846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.702388] ? check_preemption_disabled+0x48/0x280 [ 655.707415] ? __lock_is_held+0xb5/0x140 [ 655.711480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.717022] ? check_preemption_disabled+0x48/0x280 [ 655.722054] run_timer_softirq+0x52/0xb0 [ 655.726114] ? rcu_read_lock_sched_held+0x14f/0x180 [ 655.731130] __do_softirq+0x308/0xb7e [ 655.734933] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 655.739429] ? lock_downgrade+0x900/0x900 [ 655.743581] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 655.748693] ? pvclock_read_flags+0x160/0x160 [ 655.753190] ? lapic_next_event+0x5a/0x90 [ 655.757361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.762906] ? kvm_clock_read+0x18/0x30 [ 655.766879] ? kvm_sched_clock_read+0x9/0x20 [ 655.771325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.776885] ? check_preemption_disabled+0x48/0x280 [ 655.781914] irq_exit+0x17f/0x1c0 [ 655.785368] smp_apic_timer_interrupt+0x1cb/0x760 [ 655.790210] ? smp_reschedule_interrupt+0x109/0x650 [ 655.795233] ? smp_call_function_single_interrupt+0x650/0x650 [ 655.801120] ? interrupt_entry+0xb5/0xc0 [ 655.805183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.810198] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.815213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.820060] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.825073] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.830101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.834970] apic_timer_interrupt+0xf/0x20 [ 655.839230] </IRQ> [ 655.841470] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 655.847357] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 655.866255] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 655.873973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 655.881239] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 655.888513] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 655.895778] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 655.903079] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 655.910395] ? save_stack+0xa9/0xd0 [ 655.914044] __kmalloc_node_track_caller+0x3c/0x70 [ 655.918994] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 655.923759] pskb_expand_head+0x230/0x10f0 [ 655.927997] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 655.933458] ? memcpy+0x45/0x50 [ 655.936760] ? __copy_skb_header+0x350/0x6b0 [ 655.941173] ? skb_release_data+0x880/0x880 [ 655.945493] ? __alloc_skb+0x770/0x770 [ 655.949394] ? __lock_is_held+0xb5/0x140 [ 655.953463] ? kasan_check_write+0x14/0x20 [ 655.957699] ? __skb_clone+0x6c7/0xa00 [ 655.961594] ? __copy_skb_header+0x6b0/0x6b0 [ 655.966134] ? kmem_cache_alloc+0x33a/0x730 [ 655.970465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.976012] skb_ensure_writable+0x3dd/0x640 [ 655.980461] ? skb_checksum_setup+0xaa0/0xaa0 [ 655.984966] ? preempt_notifier_register+0x200/0x200 [ 655.990068] ? __switch_to_asm+0x34/0x70 [ 655.994129] ? __switch_to_asm+0x34/0x70 [ 655.998190] ? __switch_to_asm+0x40/0x70 [ 656.002253] ? __switch_to_asm+0x34/0x70 [ 656.006321] ? __switch_to_asm+0x40/0x70 [ 656.010399] ? __switch_to_asm+0x40/0x70 [ 656.014460] ? __switch_to_asm+0x34/0x70 [ 656.018523] ? __switch_to_asm+0x34/0x70 [ 656.022582] ? __switch_to_asm+0x40/0x70 [ 656.026640] ? __switch_to_asm+0x34/0x70 [ 656.030709] bpf_clone_redirect+0x14a/0x490 [ 656.035086] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 656.040106] ? __sched_text_start+0x8/0x8 [ 656.044262] ? retint_kernel+0x2d/0x2d [ 656.048179] ? find_held_lock+0x36/0x1c0 [ 656.052256] ? lock_acquire+0x1ed/0x520 [ 656.056246] ? bpf_test_run+0x3cb/0x780 [ 656.060247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.065808] ? check_preemption_disabled+0x48/0x280 [ 656.070853] ? kasan_check_read+0x11/0x20 [ 656.075015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 656.080310] ? rcu_softirq_qs+0x20/0x20 [ 656.084309] ? preempt_schedule+0x4d/0x60 [ 656.088478] ? ___preempt_schedule+0x16/0x18 [ 656.092899] ? bpf_test_run+0x25d/0x780 [ 656.097329] ? netlink_diag_dump+0x2a0/0x2a0 [ 656.101743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.107289] ? bpf_test_init.isra.10+0x70/0x100 [ 656.111972] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 656.116753] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 656.121611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 656.127148] ? fput+0x130/0x1a0 [ 656.130450] ? __bpf_prog_get+0x9b/0x290 [ 656.134514] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 656.139377] ? bpf_prog_test_run+0x130/0x1a0 [ 656.143805] ? __x64_sys_bpf+0x3d8/0x520 [ 656.147870] ? bpf_prog_get+0x20/0x20 [ 656.151692] ? do_syscall_64+0x1b9/0x820 [ 656.155767] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 656.161162] ? syscall_return_slowpath+0x5e0/0x5e0 [ 656.166100] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.171130] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 656.176177] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 656.182844] ? __switch_to_asm+0x40/0x70 [ 656.186902] ? __switch_to_asm+0x34/0x70 [ 656.190972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.195823] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 656.201206] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 656.201449] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 656.208246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 656.218727] syz-executor3 cpuset=syz3 mems_allowed=0 [ 656.228066] Call Trace: [ 656.235726] <IRQ> [ 656.237886] dump_stack+0x244/0x39d [ 656.241541] ? dump_stack_print_info.cold.1+0x20/0x20 [ 656.246744] warn_alloc.cold.116+0xb7/0x1bd [ 656.251071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 656.255918] ? lock_downgrade+0x900/0x900 [ 656.260073] ? trace_hardirqs_off+0xb8/0x310 [ 656.264491] ? trace_hardirqs_off+0xb8/0x310 [ 656.268944] __alloc_pages_slowpath+0x2651/0x2de0 [ 656.273817] ? warn_alloc+0x120/0x120 [ 656.277637] ? print_usage_bug+0xc0/0xc0 [ 656.281700] ? warn_alloc+0x120/0x120 [ 656.285507] ? warn_alloc+0x120/0x120 [ 656.289324] ? print_usage_bug+0xc0/0xc0 [ 656.293382] ? print_usage_bug+0xc0/0xc0 [ 656.297442] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 656.302458] ? print_usage_bug+0xc0/0xc0 [ 656.306526] ? __lock_acquire+0x62f/0x4c20 [ 656.310790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.316346] ? should_fail+0x22d/0xd01 [ 656.320246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 656.325363] ? __lock_acquire+0x62f/0x4c20 [ 656.329602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 656.334702] ? __lock_acquire+0x62f/0x4c20 [ 656.338933] ? should_fail+0x22d/0xd01 [ 656.342832] ? mark_held_locks+0x130/0x130 [ 656.347089] ? mark_held_locks+0x130/0x130 [ 656.351341] ? __lock_acquire+0x62f/0x4c20 [ 656.355577] ? lock_downgrade+0x900/0x900 [ 656.359725] ? check_preemption_disabled+0x48/0x280 [ 656.364746] ? zap_class+0x640/0x640 [ 656.368461] ? print_usage_bug+0xc0/0xc0 [ 656.372527] ? kasan_check_read+0x11/0x20 [ 656.376684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.382221] ? check_preemption_disabled+0x48/0x280 [ 656.387248] ? __lock_is_held+0xb5/0x140 [ 656.391325] __alloc_pages_nodemask+0xad8/0xea0 [ 656.395998] ? zap_class+0x640/0x640 [ 656.399728] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 656.404757] ? find_held_lock+0x36/0x1c0 [ 656.408833] ? ____cache_alloc_node+0x1c7/0x1e0 [ 656.413503] ? lock_downgrade+0x900/0x900 [ 656.417670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.423213] cache_grow_begin+0xa5/0x8c0 [ 656.427282] ? do_raw_spin_unlock+0xa7/0x330 [ 656.431704] fallback_alloc+0x204/0x2e0 [ 656.435690] ____cache_alloc_node+0x1c7/0x1e0 [ 656.440195] kmem_cache_alloc_node+0xe3/0x730 [ 656.444697] ? ipv6_get_ifaddr+0x42e/0x620 [ 656.448945] __alloc_skb+0x119/0x770 [ 656.452659] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 656.457942] ? netdev_alloc_frag+0x1f0/0x1f0 [ 656.462357] ? lock_downgrade+0x900/0x900 [ 656.466517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.472063] ? refcount_sub_and_test_checked+0x203/0x310 [ 656.477523] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 656.482987] ? addrconf_rs_timer+0x690/0x690 [ 656.487448] ndisc_alloc_skb+0x144/0x340 [ 656.491518] ndisc_send_rs+0x331/0x6e0 [ 656.495415] addrconf_rs_timer+0x314/0x690 [ 656.499686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.503936] call_timer_fn+0x272/0x920 [ 656.507829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.512096] ? process_timeout+0x40/0x40 [ 656.516183] ? mark_held_locks+0xc7/0x130 [ 656.520334] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.524856] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.529366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.533622] ? lockdep_hardirqs_on+0x296/0x5b0 [ 656.538208] ? trace_hardirqs_on+0xbd/0x310 [ 656.542549] ? kasan_check_read+0x11/0x20 [ 656.546697] ? __run_timers+0x7da/0xc70 [ 656.550673] ? trace_hardirqs_off_caller+0x310/0x310 [ 656.555797] ? inet_twsk_kill+0x670/0x670 [ 656.560004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.564254] __run_timers+0x7e5/0xc70 [ 656.568101] ? timer_fixup_init+0x70/0x70 [ 656.572255] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 656.577302] ? zap_class+0x640/0x640 [ 656.581025] ? print_usage_bug+0xc0/0xc0 [ 656.585087] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 656.590317] ? find_held_lock+0x36/0x1c0 [ 656.594388] ? zap_class+0x640/0x640 [ 656.598107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.603650] ? check_preemption_disabled+0x48/0x280 [ 656.608680] ? __lock_is_held+0xb5/0x140 [ 656.612744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.618291] ? check_preemption_disabled+0x48/0x280 [ 656.623315] run_timer_softirq+0x52/0xb0 [ 656.627379] ? rcu_read_lock_sched_held+0x14f/0x180 [ 656.632428] __do_softirq+0x308/0xb7e [ 656.636232] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 656.640758] ? lock_downgrade+0x900/0x900 [ 656.644915] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 656.650027] ? pvclock_read_flags+0x160/0x160 [ 656.654529] ? lapic_next_event+0x5a/0x90 [ 656.658687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.664230] ? kvm_clock_read+0x18/0x30 [ 656.668203] ? kvm_sched_clock_read+0x9/0x20 [ 656.672621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.678179] ? check_preemption_disabled+0x48/0x280 [ 656.683223] irq_exit+0x17f/0x1c0 [ 656.686704] smp_apic_timer_interrupt+0x1cb/0x760 [ 656.691554] ? smp_call_function_single_interrupt+0x159/0x650 [ 656.697441] ? smp_call_function_single_interrupt+0x650/0x650 [ 656.703333] ? interrupt_entry+0xb5/0xc0 [ 656.707402] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.712416] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.717438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.722287] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.727309] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.732325] ? task_prio+0x50/0x50 [ 656.735868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.741410] ? check_preemption_disabled+0x48/0x280 [ 656.746436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.752592] apic_timer_interrupt+0xf/0x20 [ 656.756835] </IRQ> [ 656.759071] RIP: 0010:rcu_is_watching+0x0/0x30 [ 656.763655] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 656.782558] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 656.790279] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 656.797575] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 656.804887] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 656.812154] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 656.819440] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 656.826733] ? list_lru_count_one+0x253/0x450 [ 656.831229] ? list_lru_count_one+0x35d/0x450 [ 656.835730] ? list_lru_count_one+0x362/0x450 [ 656.840227] ? list_lru_isolate_move+0x3c0/0x3c0 [ 656.844982] ? shmem_free_inode+0xd0/0xd0 [ 656.849131] ? __lock_is_held+0xb5/0x140 [ 656.853231] super_cache_count+0x1b9/0x2e0 [ 656.857473] do_shrink_slab+0x1b1/0xd30 [ 656.861461] ? snapshot_refaults+0x290/0x290 [ 656.865875] ? lock_release+0xa00/0xa00 [ 656.869858] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 656.874800] ? down_read_trylock+0xda/0x140 [ 656.879118] ? shrink_slab+0x207/0x8c0 [ 656.883006] ? downgrade_write+0x270/0x270 [ 656.887253] shrink_slab+0x389/0x8c0 [ 656.890988] ? shrink_active_list+0x1f00/0x1f00 [ 656.895664] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 656.901345] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 656.906463] ? cgroup_procs_write_finish+0xf0/0xf0 [ 656.911405] ? find_held_lock+0x36/0x1c0 [ 656.915476] shrink_node+0x431/0x16b0 [ 656.919287] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 656.924595] ? shrink_node_memcg+0x18f0/0x18f0 [ 656.929188] ? kvm_clock_read+0x18/0x30 [ 656.933167] ? ktime_get+0x2c1/0x400 [ 656.936916] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 656.941416] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 656.946952] ? __cpuset_node_allowed+0x19b/0x660 [ 656.951714] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 656.957429] ? delayacct_end+0x5a/0x100 [ 656.961416] do_try_to_free_pages+0x3e7/0x1290 [ 656.965998] ? zap_class+0x640/0x640 [ 656.969729] ? shrink_node+0x16b0/0x16b0 [ 656.973793] ? __lock_is_held+0xb5/0x140 [ 656.977871] try_to_free_pages+0x4d0/0xb90 [ 656.982115] ? do_try_to_free_pages+0x1290/0x1290 [ 656.986974] ? lock_acquire+0x1ed/0x520 [ 656.990949] ? set_page_refcounted+0x280/0x280 [ 656.995547] ? lock_release+0xa00/0xa00 [ 656.999523] ? _raw_spin_unlock_irq+0x60/0x80 [ 657.004045] ? psi_memstall_enter+0x240/0x2b0 [ 657.008558] ? psi_memstall_tick+0x230/0x230 [ 657.012980] __alloc_pages_slowpath+0xa48/0x2de0 [ 657.017767] ? warn_alloc+0x120/0x120 [ 657.021568] ? mark_held_locks+0x130/0x130 [ 657.025809] ? find_get_entry+0xaae/0x1120 [ 657.030055] ? filemap_map_pages+0x1a20/0x1a20 [ 657.034650] ? zap_class+0x640/0x640 [ 657.038377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.043920] ? check_preemption_disabled+0x48/0x280 [ 657.048941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.054503] ? should_fail+0x22d/0xd01 [ 657.058405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.063513] ? zap_class+0x640/0x640 [ 657.067263] ? __lock_is_held+0xb5/0x140 [ 657.071346] ? mark_held_locks+0x130/0x130 [ 657.075588] ? lock_release+0xa00/0xa00 [ 657.079566] ? perf_trace_sched_process_exec+0x860/0x860 [ 657.085018] ? xa_load+0x2ba/0x460 [ 657.088566] ? lock_downgrade+0x900/0x900 [ 657.092719] ? __might_sleep+0x95/0x190 [ 657.096702] __alloc_pages_nodemask+0xad8/0xea0 [ 657.101382] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 657.106405] ? __page_cache_alloc+0x191/0x5c0 [ 657.110900] ? xa_load+0x2e1/0x460 [ 657.114439] ? xa_clear_mark+0x40/0x40 [ 657.118330] ? zap_class+0x640/0x640 [ 657.122058] ? zap_class+0x640/0x640 [ 657.125770] ? zap_class+0x640/0x640 [ 657.129504] ? __do_page_cache_readahead+0x663/0x810 [ 657.134617] ? find_held_lock+0x36/0x1c0 [ 657.138701] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 657.144248] alloc_pages_current+0x173/0x350 [ 657.148674] __page_cache_alloc+0x38c/0x5c0 [ 657.153001] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.157932] ? kasan_check_read+0x11/0x20 [ 657.162082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.167383] ? generic_perform_write+0x6a0/0x6a0 [ 657.172142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.177683] ? check_preemption_disabled+0x48/0x280 [ 657.182723] filemap_fault+0x1595/0x25f0 [ 657.186808] ? __lock_page_or_retry+0xa00/0xa00 [ 657.191492] ? mark_held_locks+0x130/0x130 [ 657.195736] ? filemap_map_pages+0xd6b/0x1a20 [ 657.200233] ? lock_downgrade+0x900/0x900 [ 657.204387] ? check_preemption_disabled+0x48/0x280 [ 657.209408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.214338] ? kasan_check_read+0x11/0x20 [ 657.218501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.223798] ? rcu_softirq_qs+0x20/0x20 [ 657.227802] ? filemap_map_pages+0xd92/0x1a20 [ 657.232317] ? find_get_entries_tag+0x1400/0x1400 [ 657.237166] ? debug_object_destroy+0x2b0/0x2b0 [ 657.241842] ? lock_pi_update_atomic+0x150/0x150 [ 657.246600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.252155] ? lock_acquire+0x1ed/0x520 [ 657.256129] ? ext4_filemap_fault+0x7a/0xad [ 657.260458] ? lock_release+0xa00/0xa00 [ 657.264433] ? perf_trace_sched_process_exec+0x860/0x860 [ 657.269885] ? print_usage_bug+0xc0/0xc0 [ 657.273950] ? print_usage_bug+0xc0/0xc0 [ 657.278028] ? down_read+0x8d/0x120 [ 657.281653] ? ext4_filemap_fault+0x7a/0xad [ 657.285979] ? __down_interruptible+0x700/0x700 [ 657.290662] ext4_filemap_fault+0x82/0xad [ 657.294842] __do_fault+0x100/0x6b0 [ 657.298557] ? release_sock+0x1ec/0x2c0 [ 657.302555] ? pmd_devmap_trans_unstable+0x220/0x220 [ 657.307663] ? mark_held_locks+0x130/0x130 [ 657.312077] ? mark_held_locks+0x130/0x130 [ 657.316311] ? lock_sock_nested+0x9a/0x120 [ 657.320564] ? __release_sock+0x3a0/0x3a0 [ 657.324714] ? __local_bh_enable_ip+0x160/0x260 [ 657.329390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.334932] __handle_mm_fault+0x3ea0/0x5be0 [ 657.339351] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 657.344195] ? apparmor_socket_sendmsg+0x29/0x30 [ 657.348955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.354498] ? security_socket_sendmsg+0x94/0xc0 [ 657.359286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.364856] ? zap_class+0x640/0x640 [ 657.368569] ? zap_class+0x640/0x640 [ 657.372309] ? __x64_sys_futex+0x53e/0x6a0 [ 657.376554] ? find_held_lock+0x36/0x1c0 [ 657.380629] ? handle_mm_fault+0x42a/0xc70 [ 657.384869] ? lock_downgrade+0x900/0x900 [ 657.389019] ? check_preemption_disabled+0x48/0x280 [ 657.394043] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.398972] ? kasan_check_read+0x11/0x20 [ 657.403135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.408429] ? rcu_softirq_qs+0x20/0x20 [ 657.412406] ? trace_hardirqs_off_caller+0x310/0x310 [ 657.417511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.423084] ? check_preemption_disabled+0x48/0x280 [ 657.428111] handle_mm_fault+0x54f/0xc70 [ 657.432197] ? __handle_mm_fault+0x5be0/0x5be0 [ 657.436788] ? find_vma+0x34/0x190 [ 657.440335] __do_page_fault+0x5e8/0xe60 [ 657.444403] ? trace_hardirqs_off+0xb8/0x310 [ 657.448814] ? __ia32_sys_read+0xb0/0xb0 [ 657.452886] do_page_fault+0xf2/0x7e0 [ 657.456689] ? vmalloc_sync_all+0x30/0x30 [ 657.460842] ? error_entry+0x70/0xd0 [ 657.464562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 657.469580] ? trace_hardirqs_on_caller+0xc0/0x310 [ 657.474509] ? syscall_return_slowpath+0x5e0/0x5e0 [ 657.479444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.484298] ? trace_hardirqs_on_caller+0x310/0x310 [ 657.489316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 657.494772] ? prepare_exit_to_usermode+0x291/0x3b0 [ 657.499804] ? page_fault+0x8/0x30 [ 657.503351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.508197] ? page_fault+0x8/0x30 [ 657.511743] page_fault+0x1e/0x30 [ 657.515195] RIP: 0033:0x45ddf3 [ 657.518402] Code: Bad RIP value. [ 657.521778] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 657.527141] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 657.534407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 657.541673] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 657.548944] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 657.556223] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 657.563529] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 657.563541] warn_alloc_show_mem: 1 callbacks suppressed [ 657.563548] Mem-Info: [ 657.570824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.576193] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 657.576193] active_file:13 inactive_file:14 isolated_file:0 [ 657.576193] unevictable:0 dirty:0 writeback:0 unstable:0 [ 657.576193] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 657.576193] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 657.576193] free:13773 free_pcp:174 free_cma:0 [ 657.578565] Call Trace: [ 657.587954] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 657.620888] <IRQ> [ 657.623458] 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 [ 657.651050] dump_stack+0x244/0x39d [ 657.653170] lowmem_reserve[]: 0 2818 6321 6321 [ 657.679302] ? dump_stack_print_info.cold.1+0x20/0x20 [ 657.682908] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 657.687493] warn_alloc.cold.116+0xb7/0x1bd [ 657.692654] lowmem_reserve[]: 0 0 3503 3503 [ 657.720151] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 657.724450] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 657.728766] ? lock_downgrade+0x900/0x900 [ 657.733586] lowmem_reserve[]: 0 0 0 0 [ 657.762492] ? trace_hardirqs_off+0xb8/0x310 [ 657.766616] 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 [ 657.770427] ? trace_hardirqs_off+0xb8/0x310 [ 657.774808] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 657.788331] __alloc_pages_slowpath+0x2651/0x2de0 [ 657.792711] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 657.808683] ? warn_alloc+0x120/0x120 [ 657.813484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 657.827085] ? warn_alloc+0x120/0x120 [ 657.830865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 657.839687] ? warn_alloc+0x120/0x120 [ 657.843467] 271 total pagecache pages [ 657.852042] ? print_usage_bug+0xc0/0xc0 [ 657.855823] 0 pages in swap cache [ 657.859610] ? print_usage_bug+0xc0/0xc0 [ 657.863653] Swap cache stats: add 0, delete 0, find 0/0 [ 657.867097] ? print_usage_bug+0xc0/0xc0 [ 657.871195] Free swap = 0kB [ 657.876558] ? mark_held_locks+0x130/0x130 [ 657.880612] Total swap = 0kB [ 657.883630] ? check_preemption_disabled+0x48/0x280 [ 657.887840] 1965979 pages RAM [ 657.890867] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 657.895851] 0 pages HighMem/MovableOnly [ 657.895860] 342854 pages reserved [ 657.898978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.903446] 0 pages cma reserved [ 657.907417] ? should_fail+0x22d/0xd01 [ 657.910906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 657.916384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.916399] ? __lock_acquire+0x62f/0x4c20 [ 657.916415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.919820] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 657.923644] ? __lock_acquire+0x62f/0x4c20 [ 657.930115] syz-fuzzer cpuset=/ mems_allowed=0 [ 657.935226] ? should_fail+0x22d/0xd01 [ 657.967602] ? mark_held_locks+0x130/0x130 [ 657.971844] ? mark_held_locks+0x130/0x130 [ 657.976089] ? zap_class+0x640/0x640 [ 657.979818] ? print_usage_bug+0xc0/0xc0 [ 657.983902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.989474] ? check_preemption_disabled+0x48/0x280 [ 657.994499] ? __lock_is_held+0xb5/0x140 [ 657.998564] __alloc_pages_nodemask+0xad8/0xea0 [ 658.003233] ? zap_class+0x640/0x640 [ 658.006989] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 658.012020] ? find_held_lock+0x36/0x1c0 [ 658.016099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 658.020772] ? lock_downgrade+0x900/0x900 [ 658.024928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.030483] cache_grow_begin+0xa5/0x8c0 [ 658.034546] ? do_raw_spin_unlock+0xa7/0x330 [ 658.038963] fallback_alloc+0x204/0x2e0 [ 658.042944] ____cache_alloc_node+0x1c7/0x1e0 [ 658.047448] kmem_cache_alloc_node+0xe3/0x730 [ 658.051944] ? ipv6_get_ifaddr+0x42e/0x620 [ 658.056190] __alloc_skb+0x119/0x770 [ 658.059904] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 658.065200] ? netdev_alloc_frag+0x1f0/0x1f0 [ 658.069608] ? lock_downgrade+0x900/0x900 [ 658.073804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.079351] ? refcount_sub_and_test_checked+0x203/0x310 [ 658.084804] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 658.090256] ? addrconf_rs_timer+0x690/0x690 [ 658.095154] ndisc_alloc_skb+0x144/0x340 [ 658.099239] ndisc_send_rs+0x331/0x6e0 [ 658.103183] addrconf_rs_timer+0x314/0x690 [ 658.107427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.111691] call_timer_fn+0x272/0x920 [ 658.115583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.119837] ? process_timeout+0x40/0x40 [ 658.123903] ? __run_timers+0x7da/0xc70 [ 658.127882] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.132379] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.136872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.141115] ? lockdep_hardirqs_on+0x296/0x5b0 [ 658.145699] ? trace_hardirqs_on+0xbd/0x310 [ 658.150039] ? kasan_check_read+0x11/0x20 [ 658.154201] ? __run_timers+0x7da/0xc70 [ 658.158182] ? trace_hardirqs_off_caller+0x310/0x310 [ 658.163308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.167545] __run_timers+0x7e5/0xc70 [ 658.171382] ? timer_fixup_init+0x70/0x70 [ 658.175534] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 658.180555] ? zap_class+0x640/0x640 [ 658.184287] ? enqueue_hrtimer+0x1a5/0x560 [ 658.188526] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 658.193760] ? find_held_lock+0x36/0x1c0 [ 658.197827] ? zap_class+0x640/0x640 [ 658.201552] ? pvclock_read_flags+0x160/0x160 [ 658.206082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.211623] ? check_preemption_disabled+0x48/0x280 [ 658.216651] ? __lock_is_held+0xb5/0x140 [ 658.220712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.226249] ? check_preemption_disabled+0x48/0x280 [ 658.231284] run_timer_softirq+0x52/0xb0 [ 658.235366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 658.240385] __do_softirq+0x308/0xb7e [ 658.244191] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 658.248690] ? lock_downgrade+0x900/0x900 [ 658.252843] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 658.257956] ? pvclock_read_flags+0x160/0x160 [ 658.262456] ? lapic_next_event+0x5a/0x90 [ 658.266618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.272209] ? kvm_clock_read+0x18/0x30 [ 658.276196] ? kvm_sched_clock_read+0x9/0x20 [ 658.280622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.286176] ? check_preemption_disabled+0x48/0x280 [ 658.291228] irq_exit+0x17f/0x1c0 [ 658.294685] smp_apic_timer_interrupt+0x1cb/0x760 [ 658.299532] ? smp_reschedule_interrupt+0x109/0x650 [ 658.304555] ? smp_call_function_single_interrupt+0x650/0x650 [ 658.310442] ? interrupt_entry+0xb5/0xc0 [ 658.314508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 658.319526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 658.324562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.329409] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.334429] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.339457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.344317] apic_timer_interrupt+0xf/0x20 [ 658.348547] </IRQ> [ 658.350793] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 658.356683] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 658.375708] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 658.383416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 658.390684] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 658.397955] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 658.405239] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 658.412514] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 658.419819] ? save_stack+0xa9/0xd0 [ 658.423464] __kmalloc_node_track_caller+0x3c/0x70 [ 658.428408] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 658.433170] pskb_expand_head+0x230/0x10f0 [ 658.437414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 658.442870] ? memcpy+0x45/0x50 [ 658.446153] ? __copy_skb_header+0x350/0x6b0 [ 658.450563] ? skb_release_data+0x880/0x880 [ 658.454884] ? __alloc_skb+0x770/0x770 [ 658.458798] ? __lock_is_held+0xb5/0x140 [ 658.462869] ? kasan_check_write+0x14/0x20 [ 658.467107] ? __skb_clone+0x6c7/0xa00 [ 658.470998] ? __copy_skb_header+0x6b0/0x6b0 [ 658.475409] ? kmem_cache_alloc+0x33a/0x730 [ 658.479735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.485287] skb_ensure_writable+0x3dd/0x640 [ 658.489704] ? skb_checksum_setup+0xaa0/0xaa0 [ 658.494205] ? preempt_notifier_register+0x200/0x200 [ 658.499320] ? __switch_to_asm+0x34/0x70 [ 658.503385] ? __switch_to_asm+0x34/0x70 [ 658.507446] ? __switch_to_asm+0x40/0x70 [ 658.511511] ? __switch_to_asm+0x34/0x70 [ 658.515573] ? __switch_to_asm+0x40/0x70 [ 658.519663] ? __switch_to_asm+0x40/0x70 [ 658.523726] ? __switch_to_asm+0x34/0x70 [ 658.527789] ? __switch_to_asm+0x34/0x70 [ 658.531851] ? __switch_to_asm+0x40/0x70 [ 658.535912] ? __switch_to_asm+0x34/0x70 [ 658.539983] bpf_clone_redirect+0x14a/0x490 [ 658.544320] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 658.549340] ? __sched_text_start+0x8/0x8 [ 658.553491] ? retint_kernel+0x2d/0x2d [ 658.557396] ? find_held_lock+0x36/0x1c0 [ 658.561471] ? lock_acquire+0x1ed/0x520 [ 658.565449] ? bpf_test_run+0x3cb/0x780 [ 658.569424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.574980] ? check_preemption_disabled+0x48/0x280 [ 658.580045] ? kasan_check_read+0x11/0x20 [ 658.584212] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 658.589541] ? rcu_softirq_qs+0x20/0x20 [ 658.593523] ? preempt_schedule+0x4d/0x60 [ 658.597691] ? ___preempt_schedule+0x16/0x18 [ 658.602113] ? bpf_test_run+0x25d/0x780 [ 658.606101] ? netlink_diag_dump+0x2a0/0x2a0 [ 658.610516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.616057] ? bpf_test_init.isra.10+0x70/0x100 [ 658.620736] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 658.625534] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.630379] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 658.635925] ? fput+0x130/0x1a0 [ 658.639209] ? __bpf_prog_get+0x9b/0x290 [ 658.643297] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.648159] ? bpf_prog_test_run+0x130/0x1a0 [ 658.652589] ? __x64_sys_bpf+0x3d8/0x520 [ 658.656651] ? bpf_prog_get+0x20/0x20 [ 658.660475] ? do_syscall_64+0x1b9/0x820 [ 658.664541] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 658.669926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 658.674861] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.679892] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 658.684911] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 658.691576] ? __switch_to_asm+0x40/0x70 [ 658.695638] ? __switch_to_asm+0x34/0x70 [ 658.699713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.704563] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 658.709953] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 658.710042] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 658.716982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 658.716987] Call Trace: [ 658.716994] <IRQ> [ 658.717012] dump_stack+0x244/0x39d [ 658.717031] ? dump_stack_print_info.cold.1+0x20/0x20 [ 658.723653] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 658.732922] warn_alloc.cold.116+0xb7/0x1bd [ 658.735476] syz-executor3 cpuset=syz3 mems_allowed=0 [ 658.737621] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 658.771121] ? lock_downgrade+0x900/0x900 [ 658.775288] ? trace_hardirqs_off+0xb8/0x310 [ 658.779705] ? trace_hardirqs_off+0xb8/0x310 [ 658.784125] __alloc_pages_slowpath+0x2651/0x2de0 [ 658.788996] ? warn_alloc+0x120/0x120 [ 658.792832] ? print_usage_bug+0xc0/0xc0 [ 658.796894] ? warn_alloc+0x120/0x120 [ 658.800699] ? warn_alloc+0x120/0x120 [ 658.804502] ? print_usage_bug+0xc0/0xc0 [ 658.808590] ? print_usage_bug+0xc0/0xc0 [ 658.812655] ? __lock_acquire+0x62f/0x4c20 [ 658.816915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.822457] ? should_fail+0x22d/0xd01 [ 658.826352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.831469] ? __lock_acquire+0x62f/0x4c20 [ 658.835727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.840829] ? __lock_acquire+0x62f/0x4c20 [ 658.845062] ? should_fail+0x22d/0xd01 [ 658.848947] ? find_held_lock+0x36/0x1c0 [ 658.853037] ? mark_held_locks+0x130/0x130 [ 658.857303] ? mark_held_locks+0x130/0x130 [ 658.861557] ? zap_class+0x640/0x640 [ 658.865297] ? zap_class+0x640/0x640 [ 658.869013] ? print_usage_bug+0xc0/0xc0 [ 658.873090] ? do_raw_spin_unlock+0xa7/0x330 [ 658.877498] ? zap_class+0x640/0x640 [ 658.881211] ? print_usage_bug+0xc0/0xc0 [ 658.885281] ? wq_watchdog_touch+0x9c/0xfe [ 658.889556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.895128] ? check_preemption_disabled+0x48/0x280 [ 658.900160] ? __lock_is_held+0xb5/0x140 [ 658.904228] __alloc_pages_nodemask+0xad8/0xea0 [ 658.908896] ? zap_class+0x640/0x640 [ 658.912615] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 658.917644] ? find_held_lock+0x36/0x1c0 [ 658.921715] ? ____cache_alloc_node+0x1c7/0x1e0 [ 658.926385] ? lock_downgrade+0x900/0x900 [ 658.930546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.936092] cache_grow_begin+0xa5/0x8c0 [ 658.940155] ? do_raw_spin_unlock+0xa7/0x330 [ 658.944574] fallback_alloc+0x204/0x2e0 [ 658.948561] ____cache_alloc_node+0x1c7/0x1e0 [ 658.953068] kmem_cache_alloc_node+0xe3/0x730 [ 658.957571] ? ipv6_get_ifaddr+0x42e/0x620 [ 658.961820] __alloc_skb+0x119/0x770 [ 658.965541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 658.970822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 658.975232] ? lock_downgrade+0x900/0x900 [ 658.979391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.984932] ? refcount_sub_and_test_checked+0x203/0x310 [ 658.990391] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 658.995848] ? addrconf_rs_timer+0x690/0x690 [ 659.000358] ndisc_alloc_skb+0x144/0x340 [ 659.004424] ndisc_send_rs+0x331/0x6e0 [ 659.008318] addrconf_rs_timer+0x314/0x690 [ 659.012561] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 659.016806] call_timer_fn+0x272/0x920 [ 659.020693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 659.024926] ? process_timeout+0x40/0x40 [ 659.028999] ? mark_held_locks+0xc7/0x130 [ 659.033168] ? _raw_spin_unlock_irq+0x27/0x80 [ 659.037662] ? _raw_spin_unlock_irq+0x27/0x80 [ 659.042170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 659.046405] ? lockdep_hardirqs_on+0x296/0x5b0 [ 659.051005] ? trace_hardirqs_on+0xbd/0x310 [ 659.055329] ? kasan_check_read+0x11/0x20 [ 659.059474] ? __run_timers+0x7da/0xc70 [ 659.063456] ? trace_hardirqs_off_caller+0x310/0x310 [ 659.068568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 659.072813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 659.077048] __run_timers+0x7e5/0xc70 [ 659.080862] ? timer_fixup_init+0x70/0x70 [ 659.085017] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 659.090034] ? zap_class+0x640/0x640 [ 659.093785] ? print_usage_bug+0xc0/0xc0 [ 659.097847] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 659.103048] ? find_held_lock+0x36/0x1c0 [ 659.107119] ? zap_class+0x640/0x640 [ 659.110838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.116379] ? check_preemption_disabled+0x48/0x280 [ 659.121408] ? __lock_is_held+0xb5/0x140 [ 659.125471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.131008] ? check_preemption_disabled+0x48/0x280 [ 659.136031] run_timer_softirq+0x52/0xb0 [ 659.140091] ? rcu_read_lock_sched_held+0x14f/0x180 [ 659.145128] __do_softirq+0x308/0xb7e [ 659.148947] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 659.153443] ? lock_downgrade+0x900/0x900 [ 659.157594] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 659.162702] ? pvclock_read_flags+0x160/0x160 [ 659.167199] ? lapic_next_event+0x5a/0x90 [ 659.171359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.176906] ? kvm_clock_read+0x18/0x30 [ 659.180883] ? kvm_sched_clock_read+0x9/0x20 [ 659.185379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.190919] ? check_preemption_disabled+0x48/0x280 [ 659.195950] irq_exit+0x17f/0x1c0 [ 659.199424] smp_apic_timer_interrupt+0x1cb/0x760 [ 659.204267] ? smp_call_function_single_interrupt+0x159/0x650 [ 659.210161] ? smp_call_function_single_interrupt+0x650/0x650 [ 659.216048] ? interrupt_entry+0xb5/0xc0 [ 659.220129] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.225142] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.230159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.235020] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.240036] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.245051] ? task_prio+0x50/0x50 [ 659.248594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.254129] ? check_preemption_disabled+0x48/0x280 [ 659.259215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.264086] apic_timer_interrupt+0xf/0x20 [ 659.268315] </IRQ> [ 659.270560] RIP: 0010:rcu_is_watching+0x0/0x30 [ 659.275154] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 659.294051] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 659.301757] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 659.309022] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 659.316293] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 659.323560] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 659.330828] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 659.338133] ? list_lru_count_one+0x253/0x450 [ 659.342632] ? list_lru_count_one+0x35d/0x450 [ 659.347136] ? list_lru_count_one+0x362/0x450 [ 659.351636] ? list_lru_isolate_move+0x3c0/0x3c0 [ 659.356395] ? shmem_free_inode+0xd0/0xd0 [ 659.360552] ? __lock_is_held+0xb5/0x140 [ 659.364624] super_cache_count+0x1b9/0x2e0 [ 659.368894] do_shrink_slab+0x1b1/0xd30 [ 659.372886] ? snapshot_refaults+0x290/0x290 [ 659.377303] ? lock_release+0xa00/0xa00 [ 659.381293] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 659.386248] ? down_read_trylock+0xda/0x140 [ 659.390573] ? shrink_slab+0x207/0x8c0 [ 659.394484] ? downgrade_write+0x270/0x270 [ 659.398739] shrink_slab+0x389/0x8c0 [ 659.402455] ? shrink_active_list+0x1f00/0x1f00 [ 659.407134] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 659.412764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 659.417877] ? cgroup_procs_write_finish+0xf0/0xf0 [ 659.422828] ? find_held_lock+0x36/0x1c0 [ 659.426915] shrink_node+0x431/0x16b0 [ 659.430720] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 659.436049] ? shrink_node_memcg+0x18f0/0x18f0 [ 659.440664] ? kvm_clock_read+0x18/0x30 [ 659.444657] ? ktime_get+0x2c1/0x400 [ 659.448375] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 659.452876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 659.458414] ? __cpuset_node_allowed+0x19b/0x660 [ 659.463205] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 659.468918] ? delayacct_end+0x5a/0x100 [ 659.472902] do_try_to_free_pages+0x3e7/0x1290 [ 659.477485] ? zap_class+0x640/0x640 [ 659.481217] ? shrink_node+0x16b0/0x16b0 [ 659.485289] ? __lock_is_held+0xb5/0x140 [ 659.489382] try_to_free_pages+0x4d0/0xb90 [ 659.493628] ? do_try_to_free_pages+0x1290/0x1290 [ 659.498500] ? lock_acquire+0x1ed/0x520 [ 659.502492] ? set_page_refcounted+0x280/0x280 [ 659.507080] ? lock_release+0xa00/0xa00 [ 659.511066] ? _raw_spin_unlock_irq+0x60/0x80 [ 659.515571] ? psi_memstall_enter+0x240/0x2b0 [ 659.520072] ? psi_memstall_tick+0x230/0x230 [ 659.524491] __alloc_pages_slowpath+0xa48/0x2de0 [ 659.529299] ? warn_alloc+0x120/0x120 [ 659.533102] ? mark_held_locks+0x130/0x130 [ 659.537373] ? find_get_entry+0xaae/0x1120 [ 659.541639] ? filemap_map_pages+0x1a20/0x1a20 [ 659.546230] ? zap_class+0x640/0x640 [ 659.549952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.555498] ? check_preemption_disabled+0x48/0x280 [ 659.560516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.566077] ? should_fail+0x22d/0xd01 [ 659.569971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 659.575075] ? zap_class+0x640/0x640 [ 659.578863] ? __lock_is_held+0xb5/0x140 [ 659.582962] ? mark_held_locks+0x130/0x130 [ 659.587198] ? lock_release+0xa00/0xa00 [ 659.591173] ? perf_trace_sched_process_exec+0x860/0x860 [ 659.596622] ? xa_load+0x2ba/0x460 [ 659.600162] ? lock_downgrade+0x900/0x900 [ 659.604316] ? __might_sleep+0x95/0x190 [ 659.608305] __alloc_pages_nodemask+0xad8/0xea0 [ 659.612982] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 659.618002] ? __page_cache_alloc+0x191/0x5c0 [ 659.622498] ? xa_load+0x2e1/0x460 [ 659.626035] ? xa_clear_mark+0x40/0x40 [ 659.629940] ? zap_class+0x640/0x640 [ 659.633660] ? zap_class+0x640/0x640 [ 659.637374] ? zap_class+0x640/0x640 [ 659.641087] ? __do_page_cache_readahead+0x663/0x810 [ 659.646196] ? find_held_lock+0x36/0x1c0 [ 659.650262] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 659.655815] alloc_pages_current+0x173/0x350 [ 659.660229] __page_cache_alloc+0x38c/0x5c0 [ 659.664572] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.669505] ? kasan_check_read+0x11/0x20 [ 659.673654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.678931] ? generic_perform_write+0x6a0/0x6a0 [ 659.683693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.689250] ? check_preemption_disabled+0x48/0x280 [ 659.694313] filemap_fault+0x1595/0x25f0 [ 659.698388] ? __lock_page_or_retry+0xa00/0xa00 [ 659.703075] ? mark_held_locks+0x130/0x130 [ 659.707356] ? filemap_map_pages+0xd6b/0x1a20 [ 659.711855] ? lock_downgrade+0x900/0x900 [ 659.716002] ? check_preemption_disabled+0x48/0x280 [ 659.721026] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.725955] ? kasan_check_read+0x11/0x20 [ 659.730103] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.735379] ? rcu_softirq_qs+0x20/0x20 [ 659.739370] ? filemap_map_pages+0xd92/0x1a20 [ 659.743918] ? find_get_entries_tag+0x1400/0x1400 [ 659.748762] ? debug_object_destroy+0x2b0/0x2b0 [ 659.753435] ? lock_pi_update_atomic+0x150/0x150 [ 659.758190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.763746] ? lock_acquire+0x1ed/0x520 [ 659.767725] ? ext4_filemap_fault+0x7a/0xad [ 659.772070] ? lock_release+0xa00/0xa00 [ 659.776042] ? perf_trace_sched_process_exec+0x860/0x860 [ 659.781496] ? print_usage_bug+0xc0/0xc0 [ 659.785564] ? print_usage_bug+0xc0/0xc0 [ 659.789638] ? down_read+0x8d/0x120 [ 659.793287] ? ext4_filemap_fault+0x7a/0xad [ 659.797611] ? __down_interruptible+0x700/0x700 [ 659.802302] ext4_filemap_fault+0x82/0xad [ 659.806466] __do_fault+0x100/0x6b0 [ 659.810110] ? release_sock+0x1ec/0x2c0 [ 659.814086] ? pmd_devmap_trans_unstable+0x220/0x220 [ 659.819196] ? mark_held_locks+0x130/0x130 [ 659.823464] ? mark_held_locks+0x130/0x130 [ 659.827697] ? lock_sock_nested+0x9a/0x120 [ 659.831945] ? __release_sock+0x3a0/0x3a0 [ 659.836093] ? __local_bh_enable_ip+0x160/0x260 [ 659.840798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.846344] __handle_mm_fault+0x3ea0/0x5be0 [ 659.850763] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 659.855602] ? apparmor_socket_sendmsg+0x29/0x30 [ 659.860352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.865893] ? security_socket_sendmsg+0x94/0xc0 [ 659.870652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.876220] ? zap_class+0x640/0x640 [ 659.879937] ? zap_class+0x640/0x640 [ 659.883648] ? __x64_sys_futex+0x53e/0x6a0 [ 659.887891] ? find_held_lock+0x36/0x1c0 [ 659.891966] ? handle_mm_fault+0x42a/0xc70 [ 659.896204] ? lock_downgrade+0x900/0x900 [ 659.900351] ? check_preemption_disabled+0x48/0x280 [ 659.905392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.910322] ? kasan_check_read+0x11/0x20 [ 659.914471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.919748] ? rcu_softirq_qs+0x20/0x20 [ 659.923725] ? trace_hardirqs_off_caller+0x310/0x310 [ 659.928838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.934375] ? check_preemption_disabled+0x48/0x280 [ 659.939403] handle_mm_fault+0x54f/0xc70 [ 659.943476] ? __handle_mm_fault+0x5be0/0x5be0 [ 659.948064] ? find_vma+0x34/0x190 [ 659.951612] __do_page_fault+0x5e8/0xe60 [ 659.955669] ? trace_hardirqs_off+0xb8/0x310 [ 659.960073] ? __ia32_sys_read+0xb0/0xb0 [ 659.964446] do_page_fault+0xf2/0x7e0 [ 659.968246] ? vmalloc_sync_all+0x30/0x30 [ 659.972420] ? error_entry+0x70/0xd0 [ 659.976153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.981170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 659.986103] ? syscall_return_slowpath+0x5e0/0x5e0 [ 659.991033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.995878] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.000906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 660.006392] ? prepare_exit_to_usermode+0x291/0x3b0 [ 660.011458] ? page_fault+0x8/0x30 [ 660.015004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.019854] ? page_fault+0x8/0x30 [ 660.023398] page_fault+0x1e/0x30 [ 660.026851] RIP: 0033:0x45ddf3 [ 660.030085] Code: Bad RIP value. [ 660.033461] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 660.038839] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 660.046133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 660.053413] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 660.060680] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 660.067954] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 660.075251] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 660.075257] warn_alloc_show_mem: 1 callbacks suppressed [ 660.075264] Mem-Info: [ 660.082549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 660.087920] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 660.087920] active_file:13 inactive_file:14 isolated_file:0 [ 660.087920] unevictable:0 dirty:0 writeback:0 unstable:0 [ 660.087920] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 660.087920] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 660.087920] free:13773 free_pcp:174 free_cma:0 [ 660.090304] Call Trace: [ 660.099862] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 660.132807] <IRQ> [ 660.135392] 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 [ 660.162892] dump_stack+0x244/0x39d [ 660.165028] lowmem_reserve[]: 0 2818 6321 6321 [ 660.191140] ? dump_stack_print_info.cold.1+0x20/0x20 [ 660.194739] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 660.199325] warn_alloc.cold.116+0xb7/0x1bd [ 660.204482] lowmem_reserve[]: 0 0 3503 3503 [ 660.232017] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 660.236315] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 660.240630] ? lock_downgrade+0x900/0x900 [ 660.245459] lowmem_reserve[]: 0 0 0 0 [ 660.274363] ? trace_hardirqs_off+0xb8/0x310 [ 660.278487] 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 [ 660.282296] ? trace_hardirqs_off+0xb8/0x310 [ 660.286688] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 660.300217] __alloc_pages_slowpath+0x2651/0x2de0 [ 660.304643] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 660.320609] ? warn_alloc+0x120/0x120 [ 660.325417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 660.339014] ? print_usage_bug+0xc0/0xc0 [ 660.342795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 660.351666] ? warn_alloc+0x120/0x120 [ 660.355722] 271 total pagecache pages [ 660.364304] ? warn_alloc+0x120/0x120 [ 660.368092] 0 pages in swap cache [ 660.371934] ? print_usage_bug+0xc0/0xc0 [ 660.375708] Swap cache stats: add 0, delete 0, find 0/0 [ 660.379154] ? kvm_clock_read+0x18/0x30 [ 660.383190] Free swap = 0kB [ 660.388567] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 660.392517] Total swap = 0kB [ 660.395541] ? print_usage_bug+0xc0/0xc0 [ 660.400555] 1965979 pages RAM [ 660.403568] ? __lock_acquire+0x62f/0x4c20 [ 660.407612] 0 pages HighMem/MovableOnly [ 660.410709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.414916] 342854 pages reserved [ 660.418885] ? should_fail+0x22d/0xd01 [ 660.424393] 0 pages cma reserved [ 660.427837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 660.431815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 660.435069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.435085] ? __lock_acquire+0x62f/0x4c20 [ 660.435102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.440503] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 660.446844] ? __lock_acquire+0x62f/0x4c20 [ 660.451929] syz-fuzzer cpuset=/ mems_allowed=0 [ 660.456159] ? should_fail+0x22d/0xd01 [ 660.484146] ? rcu_irq_exit+0x1a2/0x390 [ 660.488137] ? mark_held_locks+0x130/0x130 [ 660.492378] ? mark_held_locks+0x130/0x130 [ 660.496640] ? mark_held_locks+0xc7/0x130 [ 660.500807] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 660.505823] ? zap_class+0x640/0x640 [ 660.509536] ? print_usage_bug+0xc0/0xc0 [ 660.513620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.519158] ? check_preemption_disabled+0x48/0x280 [ 660.524207] ? __lock_is_held+0xb5/0x140 [ 660.528299] __alloc_pages_nodemask+0xad8/0xea0 [ 660.532977] ? zap_class+0x640/0x640 [ 660.536711] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 660.541751] ? find_held_lock+0x36/0x1c0 [ 660.545820] ? ____cache_alloc_node+0x1c7/0x1e0 [ 660.550522] ? lock_downgrade+0x900/0x900 [ 660.554692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.560249] cache_grow_begin+0xa5/0x8c0 [ 660.564322] ? do_raw_spin_unlock+0xa7/0x330 [ 660.568739] fallback_alloc+0x204/0x2e0 [ 660.572729] ____cache_alloc_node+0x1c7/0x1e0 [ 660.577227] kmem_cache_alloc_node+0xe3/0x730 [ 660.581743] ? ipv6_get_ifaddr+0x42e/0x620 [ 660.585986] __alloc_skb+0x119/0x770 [ 660.589696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 660.594979] ? netdev_alloc_frag+0x1f0/0x1f0 [ 660.599383] ? lock_downgrade+0x900/0x900 [ 660.603538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.609093] ? refcount_sub_and_test_checked+0x203/0x310 [ 660.614575] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 660.620037] ? addrconf_rs_timer+0x690/0x690 [ 660.624458] ndisc_alloc_skb+0x144/0x340 [ 660.628567] ndisc_send_rs+0x331/0x6e0 [ 660.632466] addrconf_rs_timer+0x314/0x690 [ 660.636708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.640958] call_timer_fn+0x272/0x920 [ 660.644846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.649075] ? process_timeout+0x40/0x40 [ 660.653142] ? __run_timers+0x7da/0xc70 [ 660.657119] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.661633] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.666131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.670368] ? lockdep_hardirqs_on+0x296/0x5b0 [ 660.674955] ? trace_hardirqs_on+0xbd/0x310 [ 660.679298] ? kasan_check_read+0x11/0x20 [ 660.683447] ? __run_timers+0x7da/0xc70 [ 660.687419] ? trace_hardirqs_off_caller+0x310/0x310 [ 660.692526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.696796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.701041] __run_timers+0x7e5/0xc70 [ 660.704874] ? timer_fixup_init+0x70/0x70 [ 660.709027] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 660.714094] ? zap_class+0x640/0x640 [ 660.717815] ? enqueue_hrtimer+0x1a5/0x560 [ 660.722055] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 660.727255] ? find_held_lock+0x36/0x1c0 [ 660.731329] ? zap_class+0x640/0x640 [ 660.735051] ? pvclock_read_flags+0x160/0x160 [ 660.739564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.745131] ? check_preemption_disabled+0x48/0x280 [ 660.750157] ? __lock_is_held+0xb5/0x140 [ 660.754233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.759806] ? check_preemption_disabled+0x48/0x280 [ 660.764868] run_timer_softirq+0x52/0xb0 [ 660.768954] ? rcu_read_lock_sched_held+0x14f/0x180 [ 660.773970] __do_softirq+0x308/0xb7e [ 660.777773] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 660.782270] ? lock_downgrade+0x900/0x900 [ 660.786434] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 660.791588] ? pvclock_read_flags+0x160/0x160 [ 660.796095] ? lapic_next_event+0x5a/0x90 [ 660.800248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.805804] ? kvm_clock_read+0x18/0x30 [ 660.809778] ? kvm_sched_clock_read+0x9/0x20 [ 660.814188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.819736] ? check_preemption_disabled+0x48/0x280 [ 660.824763] irq_exit+0x17f/0x1c0 [ 660.828220] smp_apic_timer_interrupt+0x1cb/0x760 [ 660.833075] ? smp_reschedule_interrupt+0x109/0x650 [ 660.838091] ? smp_call_function_single_interrupt+0x650/0x650 [ 660.843978] ? interrupt_entry+0xb5/0xc0 [ 660.848053] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.853074] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.858092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.862939] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.867955] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.872975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.877820] apic_timer_interrupt+0xf/0x20 [ 660.882061] </IRQ> [ 660.884329] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 660.890210] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 660.909120] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 660.916840] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 660.924105] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 660.931371] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 660.938641] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 660.945910] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 660.953222] ? save_stack+0xa9/0xd0 [ 660.956862] __kmalloc_node_track_caller+0x3c/0x70 [ 660.961810] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 660.966574] pskb_expand_head+0x230/0x10f0 [ 660.970814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 660.976294] ? memcpy+0x45/0x50 [ 660.979594] ? __copy_skb_header+0x350/0x6b0 [ 660.984003] ? skb_release_data+0x880/0x880 [ 660.988340] ? __alloc_skb+0x770/0x770 [ 660.992235] ? __lock_is_held+0xb5/0x140 [ 660.996328] ? kasan_check_write+0x14/0x20 [ 661.000575] ? __skb_clone+0x6c7/0xa00 [ 661.004463] ? __copy_skb_header+0x6b0/0x6b0 [ 661.008869] ? kmem_cache_alloc+0x33a/0x730 [ 661.013196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.018737] skb_ensure_writable+0x3dd/0x640 [ 661.023161] ? skb_checksum_setup+0xaa0/0xaa0 [ 661.027673] ? preempt_notifier_register+0x200/0x200 [ 661.032775] ? __switch_to_asm+0x34/0x70 [ 661.036834] ? __switch_to_asm+0x34/0x70 [ 661.040893] ? __switch_to_asm+0x40/0x70 [ 661.044953] ? __switch_to_asm+0x34/0x70 [ 661.049039] ? __switch_to_asm+0x40/0x70 [ 661.053169] ? __switch_to_asm+0x40/0x70 [ 661.057241] ? __switch_to_asm+0x34/0x70 [ 661.061333] ? __switch_to_asm+0x34/0x70 [ 661.065405] ? __switch_to_asm+0x40/0x70 [ 661.069464] ? __switch_to_asm+0x34/0x70 [ 661.073531] bpf_clone_redirect+0x14a/0x490 [ 661.077874] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 661.082896] ? __sched_text_start+0x8/0x8 [ 661.087046] ? retint_kernel+0x2d/0x2d [ 661.090971] ? find_held_lock+0x36/0x1c0 [ 661.095071] ? lock_acquire+0x1ed/0x520 [ 661.099047] ? bpf_test_run+0x3cb/0x780 [ 661.103041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.108619] ? check_preemption_disabled+0x48/0x280 [ 661.113640] ? kasan_check_read+0x11/0x20 [ 661.117791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 661.123081] ? rcu_softirq_qs+0x20/0x20 [ 661.127060] ? preempt_schedule+0x4d/0x60 [ 661.131211] ? ___preempt_schedule+0x16/0x18 [ 661.135630] ? bpf_test_run+0x25d/0x780 [ 661.139614] ? netlink_diag_dump+0x2a0/0x2a0 [ 661.144023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.149563] ? bpf_test_init.isra.10+0x70/0x100 [ 661.154240] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 661.159009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 661.163856] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 661.169391] ? fput+0x130/0x1a0 [ 661.172679] ? __bpf_prog_get+0x9b/0x290 [ 661.176742] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 661.181581] ? bpf_prog_test_run+0x130/0x1a0 [ 661.186001] ? __x64_sys_bpf+0x3d8/0x520 [ 661.190091] ? bpf_prog_get+0x20/0x20 [ 661.193931] ? do_syscall_64+0x1b9/0x820 [ 661.197991] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 661.203352] ? syscall_return_slowpath+0x5e0/0x5e0 [ 661.208308] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.213322] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 661.218345] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 661.225055] ? __switch_to_asm+0x40/0x70 [ 661.229119] ? __switch_to_asm+0x34/0x70 [ 661.233184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.238056] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 661.243453] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 661.243520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 661.250463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 661.250472] Call Trace: [ 661.257114] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 661.266329] <IRQ> [ 661.268905] syz-executor3 cpuset=syz3 mems_allowed=0 [ 661.279399] dump_stack+0x244/0x39d [ 661.290243] ? dump_stack_print_info.cold.1+0x20/0x20 [ 661.295467] warn_alloc.cold.116+0xb7/0x1bd [ 661.299787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 661.304638] ? lock_downgrade+0x900/0x900 [ 661.308800] ? trace_hardirqs_off+0xb8/0x310 [ 661.313215] ? trace_hardirqs_off+0xb8/0x310 [ 661.317664] __alloc_pages_slowpath+0x2651/0x2de0 [ 661.322532] ? warn_alloc+0x120/0x120 [ 661.326354] ? print_usage_bug+0xc0/0xc0 [ 661.330434] ? warn_alloc+0x120/0x120 [ 661.334237] ? warn_alloc+0x120/0x120 [ 661.338081] ? print_usage_bug+0xc0/0xc0 [ 661.342145] ? print_usage_bug+0xc0/0xc0 [ 661.346224] ? print_usage_bug+0xc0/0xc0 [ 661.350323] ? print_usage_bug+0xc0/0xc0 [ 661.354385] ? __lock_acquire+0x62f/0x4c20 [ 661.358629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.364166] ? should_fail+0x22d/0xd01 [ 661.368059] ? __lock_acquire+0x62f/0x4c20 [ 661.372299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.377405] ? __lock_acquire+0x62f/0x4c20 [ 661.381659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.386772] ? __lock_acquire+0x62f/0x4c20 [ 661.391007] ? should_fail+0x22d/0xd01 [ 661.394905] ? mark_held_locks+0x130/0x130 [ 661.399152] ? mark_held_locks+0x130/0x130 [ 661.403384] ? zap_class+0x640/0x640 [ 661.407106] ? zap_class+0x640/0x640 [ 661.410856] ? print_usage_bug+0xc0/0xc0 [ 661.414916] ? wq_watchdog_touch+0x9c/0xfe [ 661.419150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.424703] ? check_preemption_disabled+0x48/0x280 [ 661.429762] ? __lock_is_held+0xb5/0x140 [ 661.433829] __alloc_pages_nodemask+0xad8/0xea0 [ 661.438500] ? zap_class+0x640/0x640 [ 661.442254] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 661.447296] ? find_held_lock+0x36/0x1c0 [ 661.451367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 661.456080] ? lock_downgrade+0x900/0x900 [ 661.460235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.465776] cache_grow_begin+0xa5/0x8c0 [ 661.469836] ? do_raw_spin_unlock+0xa7/0x330 [ 661.474265] fallback_alloc+0x204/0x2e0 [ 661.478257] ____cache_alloc_node+0x1c7/0x1e0 [ 661.482766] kmem_cache_alloc_node+0xe3/0x730 [ 661.487264] ? ipv6_get_ifaddr+0x42e/0x620 [ 661.491518] __alloc_skb+0x119/0x770 [ 661.495232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 661.500511] ? netdev_alloc_frag+0x1f0/0x1f0 [ 661.504926] ? lock_downgrade+0x900/0x900 [ 661.509081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.514618] ? refcount_sub_and_test_checked+0x203/0x310 [ 661.520074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 661.525568] ? addrconf_rs_timer+0x690/0x690 [ 661.530039] ndisc_alloc_skb+0x144/0x340 [ 661.534112] ndisc_send_rs+0x331/0x6e0 [ 661.538006] addrconf_rs_timer+0x314/0x690 [ 661.542246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.546505] call_timer_fn+0x272/0x920 [ 661.550399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.554632] ? process_timeout+0x40/0x40 [ 661.558707] ? mark_held_locks+0xc7/0x130 [ 661.562861] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.567355] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.571847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.576088] ? lockdep_hardirqs_on+0x296/0x5b0 [ 661.580681] ? trace_hardirqs_on+0xbd/0x310 [ 661.585007] ? kasan_check_read+0x11/0x20 [ 661.589174] ? __run_timers+0x7da/0xc70 [ 661.593153] ? trace_hardirqs_off_caller+0x310/0x310 [ 661.598268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.602514] __run_timers+0x7e5/0xc70 [ 661.606346] ? timer_fixup_init+0x70/0x70 [ 661.610499] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 661.615520] ? zap_class+0x640/0x640 [ 661.619248] ? print_usage_bug+0xc0/0xc0 [ 661.623348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 661.628549] ? find_held_lock+0x36/0x1c0 [ 661.632618] ? zap_class+0x640/0x640 [ 661.636343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.641883] ? check_preemption_disabled+0x48/0x280 [ 661.646908] ? __lock_is_held+0xb5/0x140 [ 661.650985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.656523] ? check_preemption_disabled+0x48/0x280 [ 661.661580] run_timer_softirq+0x52/0xb0 [ 661.665642] ? rcu_read_lock_sched_held+0x14f/0x180 [ 661.670659] __do_softirq+0x308/0xb7e [ 661.674463] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 661.678957] ? lock_downgrade+0x900/0x900 [ 661.683106] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 661.688218] ? pvclock_read_flags+0x160/0x160 [ 661.692730] ? lapic_next_event+0x5a/0x90 [ 661.696927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.702481] ? kvm_clock_read+0x18/0x30 [ 661.706456] ? kvm_sched_clock_read+0x9/0x20 [ 661.710865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.716420] ? check_preemption_disabled+0x48/0x280 [ 661.721448] irq_exit+0x17f/0x1c0 [ 661.724916] smp_apic_timer_interrupt+0x1cb/0x760 [ 661.729758] ? smp_call_function_single_interrupt+0x159/0x650 [ 661.735645] ? smp_call_function_single_interrupt+0x650/0x650 [ 661.741528] ? interrupt_entry+0xb5/0xc0 [ 661.745598] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.750614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.755646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.760577] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.765608] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.770640] ? task_prio+0x50/0x50 [ 661.774195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.779733] ? check_preemption_disabled+0x48/0x280 [ 661.784773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.789655] apic_timer_interrupt+0xf/0x20 [ 661.793885] </IRQ> [ 661.796123] RIP: 0010:rcu_is_watching+0x0/0x30 [ 661.800736] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 661.819632] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 661.827339] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 661.834608] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 661.841878] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 661.849144] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 661.856407] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 661.863692] ? list_lru_count_one+0x253/0x450 [ 661.868190] ? list_lru_count_one+0x35d/0x450 [ 661.872693] ? list_lru_count_one+0x362/0x450 [ 661.877191] ? list_lru_isolate_move+0x3c0/0x3c0 [ 661.881943] ? shmem_free_inode+0xd0/0xd0 [ 661.886097] ? __lock_is_held+0xb5/0x140 [ 661.890168] super_cache_count+0x1b9/0x2e0 [ 661.894412] do_shrink_slab+0x1b1/0xd30 [ 661.898395] ? snapshot_refaults+0x290/0x290 [ 661.902819] ? lock_release+0xa00/0xa00 [ 661.906818] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 661.911777] ? down_read_trylock+0xda/0x140 [ 661.916115] ? shrink_slab+0x207/0x8c0 [ 661.920018] ? downgrade_write+0x270/0x270 [ 661.924266] shrink_slab+0x389/0x8c0 [ 661.927989] ? shrink_active_list+0x1f00/0x1f00 [ 661.932669] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 661.938316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 661.943443] ? cgroup_procs_write_finish+0xf0/0xf0 [ 661.948380] ? find_held_lock+0x36/0x1c0 [ 661.952449] shrink_node+0x431/0x16b0 [ 661.956253] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 661.961566] ? shrink_node_memcg+0x18f0/0x18f0 [ 661.966344] ? kvm_clock_read+0x18/0x30 [ 661.970357] ? ktime_get+0x2c1/0x400 [ 661.974079] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 661.978576] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 661.984112] ? __cpuset_node_allowed+0x19b/0x660 [ 661.988868] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 661.994580] ? delayacct_end+0x5a/0x100 [ 661.998566] do_try_to_free_pages+0x3e7/0x1290 [ 662.003163] ? zap_class+0x640/0x640 [ 662.006924] ? shrink_node+0x16b0/0x16b0 [ 662.010989] ? __lock_is_held+0xb5/0x140 [ 662.015066] try_to_free_pages+0x4d0/0xb90 [ 662.019310] ? do_try_to_free_pages+0x1290/0x1290 [ 662.024168] ? lock_acquire+0x1ed/0x520 [ 662.028141] ? set_page_refcounted+0x280/0x280 [ 662.032727] ? lock_release+0xa00/0xa00 [ 662.036722] ? _raw_spin_unlock_irq+0x60/0x80 [ 662.041239] ? psi_memstall_enter+0x240/0x2b0 [ 662.045746] ? psi_memstall_tick+0x230/0x230 [ 662.050192] __alloc_pages_slowpath+0xa48/0x2de0 [ 662.054974] ? warn_alloc+0x120/0x120 [ 662.058771] ? mark_held_locks+0x130/0x130 [ 662.063009] ? find_get_entry+0xaae/0x1120 [ 662.067254] ? filemap_map_pages+0x1a20/0x1a20 [ 662.071860] ? zap_class+0x640/0x640 [ 662.075581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.081121] ? check_preemption_disabled+0x48/0x280 [ 662.086139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.091676] ? should_fail+0x22d/0xd01 [ 662.095712] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.100821] ? zap_class+0x640/0x640 [ 662.104571] ? __lock_is_held+0xb5/0x140 [ 662.108644] ? mark_held_locks+0x130/0x130 [ 662.112899] ? lock_release+0xa00/0xa00 [ 662.116875] ? perf_trace_sched_process_exec+0x860/0x860 [ 662.122320] ? xa_load+0x2ba/0x460 [ 662.125862] ? lock_downgrade+0x900/0x900 [ 662.130211] ? __might_sleep+0x95/0x190 [ 662.134193] __alloc_pages_nodemask+0xad8/0xea0 [ 662.138870] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 662.143889] ? __page_cache_alloc+0x191/0x5c0 [ 662.148382] ? xa_load+0x2e1/0x460 [ 662.151930] ? xa_clear_mark+0x40/0x40 [ 662.155816] ? zap_class+0x640/0x640 [ 662.159542] ? zap_class+0x640/0x640 [ 662.163282] ? zap_class+0x640/0x640 [ 662.166994] ? __do_page_cache_readahead+0x663/0x810 [ 662.172099] ? find_held_lock+0x36/0x1c0 [ 662.176162] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 662.181700] alloc_pages_current+0x173/0x350 [ 662.186111] __page_cache_alloc+0x38c/0x5c0 [ 662.190428] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.195353] ? kasan_check_read+0x11/0x20 [ 662.199499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.204791] ? generic_perform_write+0x6a0/0x6a0 [ 662.209567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.215103] ? check_preemption_disabled+0x48/0x280 [ 662.220122] filemap_fault+0x1595/0x25f0 [ 662.224240] ? __lock_page_or_retry+0xa00/0xa00 [ 662.228915] ? mark_held_locks+0x130/0x130 [ 662.233175] ? filemap_map_pages+0xd6b/0x1a20 [ 662.237671] ? lock_downgrade+0x900/0x900 [ 662.241846] ? check_preemption_disabled+0x48/0x280 [ 662.246864] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.251789] ? kasan_check_read+0x11/0x20 [ 662.255935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.261243] ? rcu_softirq_qs+0x20/0x20 [ 662.265253] ? filemap_map_pages+0xd92/0x1a20 [ 662.269783] ? find_get_entries_tag+0x1400/0x1400 [ 662.274645] ? debug_object_destroy+0x2b0/0x2b0 [ 662.279320] ? lock_pi_update_atomic+0x150/0x150 [ 662.284074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.289621] ? lock_acquire+0x1ed/0x520 [ 662.293593] ? ext4_filemap_fault+0x7a/0xad [ 662.297932] ? lock_release+0xa00/0xa00 [ 662.301924] ? perf_trace_sched_process_exec+0x860/0x860 [ 662.307391] ? print_usage_bug+0xc0/0xc0 [ 662.311454] ? print_usage_bug+0xc0/0xc0 [ 662.315530] ? down_read+0x8d/0x120 [ 662.319165] ? ext4_filemap_fault+0x7a/0xad [ 662.323491] ? __down_interruptible+0x700/0x700 [ 662.328181] ext4_filemap_fault+0x82/0xad [ 662.332334] __do_fault+0x100/0x6b0 [ 662.335988] ? release_sock+0x1ec/0x2c0 [ 662.339964] ? pmd_devmap_trans_unstable+0x220/0x220 [ 662.345070] ? mark_held_locks+0x130/0x130 [ 662.349312] ? mark_held_locks+0x130/0x130 [ 662.353546] ? lock_sock_nested+0x9a/0x120 [ 662.357787] ? __release_sock+0x3a0/0x3a0 [ 662.361968] ? __local_bh_enable_ip+0x160/0x260 [ 662.366646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.372191] __handle_mm_fault+0x3ea0/0x5be0 [ 662.376611] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 662.381452] ? apparmor_socket_sendmsg+0x29/0x30 [ 662.386207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.391763] ? security_socket_sendmsg+0x94/0xc0 [ 662.396521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.402088] ? zap_class+0x640/0x640 [ 662.405799] ? zap_class+0x640/0x640 [ 662.409524] ? __x64_sys_futex+0x53e/0x6a0 [ 662.413782] ? find_held_lock+0x36/0x1c0 [ 662.417870] ? handle_mm_fault+0x42a/0xc70 [ 662.422104] ? lock_downgrade+0x900/0x900 [ 662.426248] ? check_preemption_disabled+0x48/0x280 [ 662.431296] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.436229] ? kasan_check_read+0x11/0x20 [ 662.440375] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.445649] ? rcu_softirq_qs+0x20/0x20 [ 662.449623] ? trace_hardirqs_off_caller+0x310/0x310 [ 662.454729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.460267] ? check_preemption_disabled+0x48/0x280 [ 662.465304] handle_mm_fault+0x54f/0xc70 [ 662.469366] ? __handle_mm_fault+0x5be0/0x5be0 [ 662.473965] ? find_vma+0x34/0x190 [ 662.477511] __do_page_fault+0x5e8/0xe60 [ 662.481575] ? trace_hardirqs_off+0xb8/0x310 [ 662.485999] ? __ia32_sys_read+0xb0/0xb0 [ 662.490068] do_page_fault+0xf2/0x7e0 [ 662.493868] ? vmalloc_sync_all+0x30/0x30 [ 662.498016] ? error_entry+0x70/0xd0 [ 662.501732] ? trace_hardirqs_off_caller+0xbb/0x310 [ 662.506747] ? trace_hardirqs_on_caller+0xc0/0x310 [ 662.511678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 662.516605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.521445] ? trace_hardirqs_on_caller+0x310/0x310 [ 662.526465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 662.531931] ? prepare_exit_to_usermode+0x291/0x3b0 [ 662.536966] ? page_fault+0x8/0x30 [ 662.540514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.545383] ? page_fault+0x8/0x30 [ 662.548941] page_fault+0x1e/0x30 [ 662.552390] RIP: 0033:0x45ddf3 [ 662.555592] Code: Bad RIP value. [ 662.558956] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 662.564330] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 662.571591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 662.578854] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 662.586114] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 662.593375] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 662.600722] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 662.600727] warn_alloc_show_mem: 1 callbacks suppressed [ 662.600747] Mem-Info: [ 662.608029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 662.613411] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 662.613411] active_file:13 inactive_file:14 isolated_file:0 [ 662.613411] unevictable:0 dirty:0 writeback:0 unstable:0 [ 662.613411] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 662.613411] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 662.613411] free:13773 free_pcp:174 free_cma:0 [ 662.615781] Call Trace: [ 662.625161] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 662.658090] <IRQ> [ 662.660659] 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 [ 662.688189] dump_stack+0x244/0x39d [ 662.690314] lowmem_reserve[]: 0 2818 6321 6321 [ 662.716418] ? dump_stack_print_info.cold.1+0x20/0x20 [ 662.720024] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 662.724621] warn_alloc.cold.116+0xb7/0x1bd [ 662.729783] lowmem_reserve[]: 0 0 3503 3503 [ 662.757295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 662.761590] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 662.765902] ? lock_downgrade+0x900/0x900 [ 662.770737] lowmem_reserve[]: 0 0 0 0 [ 662.799637] ? trace_hardirqs_off+0xb8/0x310 [ 662.803756] 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 [ 662.807556] ? trace_hardirqs_off+0xb8/0x310 [ 662.811938] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 662.825476] __alloc_pages_slowpath+0x2651/0x2de0 [ 662.829854] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 662.845839] ? warn_alloc+0x120/0x120 [ 662.850640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 662.864253] ? warn_alloc+0x120/0x120 [ 662.868033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 662.876868] ? warn_alloc+0x120/0x120 [ 662.880643] 271 total pagecache pages [ 662.889240] ? print_usage_bug+0xc0/0xc0 [ 662.893017] 0 pages in swap cache [ 662.896906] ? print_usage_bug+0xc0/0xc0 [ 662.900945] Swap cache stats: add 0, delete 0, find 0/0 [ 662.904414] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 662.908448] Free swap = 0kB [ 662.913798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.918967] Total swap = 0kB [ 662.921976] ? should_fail+0x22d/0xd01 [ 662.927486] 1965979 pages RAM [ 662.930509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.934370] 0 pages HighMem/MovableOnly [ 662.937465] ? __lock_acquire+0x62f/0x4c20 [ 662.942541] 342854 pages reserved [ 662.946509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.950717] 0 pages cma reserved [ 662.954185] ? __lock_acquire+0x62f/0x4c20 [ 662.959374] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 662.962653] ? should_fail+0x22d/0xd01 [ 662.962677] ? mark_held_locks+0x130/0x130 [ 662.966989] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 662.973390] ? mark_held_locks+0x130/0x130 [ 662.977271] syz-fuzzer cpuset=/ mems_allowed=0 [ 662.981519] ? kvm_clock_read+0x18/0x30 [ 663.004473] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 663.009490] ? zap_class+0x640/0x640 [ 663.013198] ? __lock_acquire+0x62f/0x4c20 [ 663.017429] ? __lock_acquire+0x62f/0x4c20 [ 663.021696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.027251] ? check_preemption_disabled+0x48/0x280 [ 663.032319] ? __lock_is_held+0xb5/0x140 [ 663.036403] __alloc_pages_nodemask+0xad8/0xea0 [ 663.041085] ? zap_class+0x640/0x640 [ 663.044798] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 663.049825] ? find_held_lock+0x36/0x1c0 [ 663.053903] ? ____cache_alloc_node+0x1c7/0x1e0 [ 663.058597] ? lock_downgrade+0x900/0x900 [ 663.062744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.068292] cache_grow_begin+0xa5/0x8c0 [ 663.072357] ? do_raw_spin_unlock+0xa7/0x330 [ 663.076787] fallback_alloc+0x204/0x2e0 [ 663.080765] ____cache_alloc_node+0x1c7/0x1e0 [ 663.085261] kmem_cache_alloc+0x1f8/0x730 [ 663.089420] __build_skb+0xab/0x430 [ 663.093049] ? skb_try_coalesce+0x1b70/0x1b70 [ 663.097544] ? trace_hardirqs_on+0xbd/0x310 [ 663.101938] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 663.107474] ? trace_hardirqs_off_caller+0x310/0x310 [ 663.112593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.118685] ? check_preemption_disabled+0x48/0x280 [ 663.123712] __netdev_alloc_skb+0x2b5/0x450 [ 663.128065] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 663.133441] ? br_send_bpdu_finish+0x20/0x20 [ 663.137863] ? mark_held_locks+0x130/0x130 [ 663.142101] ? __lock_acquire+0x62f/0x4c20 [ 663.146368] br_send_config_bpdu+0xc9d/0x10a0 [ 663.150870] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 663.156500] ? kasan_check_read+0x11/0x20 [ 663.160643] ? do_raw_spin_unlock+0xa7/0x330 [ 663.165083] br_transmit_config+0x8cd/0xbb0 [ 663.169405] ? find_held_lock+0x36/0x1c0 [ 663.173487] ? br_get_port+0x280/0x280 [ 663.177376] ? lock_acquire+0x1ed/0x520 [ 663.181348] ? br_hello_timer_expired+0x20/0x190 [ 663.186141] ? kasan_check_read+0x11/0x20 [ 663.190312] br_config_bpdu_generation+0x16a/0x1c0 [ 663.195244] br_hello_timer_expired+0xa9/0x190 [ 663.199836] call_timer_fn+0x272/0x920 [ 663.203724] ? br_is_root_bridge+0x40/0x40 [ 663.207961] ? process_timeout+0x40/0x40 [ 663.212028] ? __run_timers+0x7da/0xc70 [ 663.216006] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.220504] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.224996] ? br_is_root_bridge+0x40/0x40 [ 663.229230] ? lockdep_hardirqs_on+0x296/0x5b0 [ 663.233829] ? trace_hardirqs_on+0xbd/0x310 [ 663.238150] ? kasan_check_read+0x11/0x20 [ 663.242303] ? __run_timers+0x7da/0xc70 [ 663.246301] ? trace_hardirqs_off_caller+0x310/0x310 [ 663.251418] ? br_is_root_bridge+0x40/0x40 [ 663.255652] __run_timers+0x7e5/0xc70 [ 663.259464] ? timer_fixup_init+0x70/0x70 [ 663.263617] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 663.268635] ? zap_class+0x640/0x640 [ 663.272352] ? enqueue_hrtimer+0x1a5/0x560 [ 663.276590] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 663.281787] ? find_held_lock+0x36/0x1c0 [ 663.285867] ? zap_class+0x640/0x640 [ 663.289601] ? pvclock_read_flags+0x160/0x160 [ 663.294108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.299651] ? check_preemption_disabled+0x48/0x280 [ 663.304685] ? __lock_is_held+0xb5/0x140 [ 663.308748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.314296] ? check_preemption_disabled+0x48/0x280 [ 663.319320] run_timer_softirq+0x52/0xb0 [ 663.323382] ? rcu_read_lock_sched_held+0x14f/0x180 [ 663.328401] __do_softirq+0x308/0xb7e [ 663.332208] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 663.336705] ? lock_downgrade+0x900/0x900 [ 663.340859] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 663.345969] ? pvclock_read_flags+0x160/0x160 [ 663.350485] ? lapic_next_event+0x5a/0x90 [ 663.354637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.360181] ? kvm_clock_read+0x18/0x30 [ 663.364157] ? kvm_sched_clock_read+0x9/0x20 [ 663.368573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.374113] ? check_preemption_disabled+0x48/0x280 [ 663.379140] irq_exit+0x17f/0x1c0 [ 663.382596] smp_apic_timer_interrupt+0x1cb/0x760 [ 663.387444] ? smp_reschedule_interrupt+0x109/0x650 [ 663.392467] ? smp_call_function_single_interrupt+0x650/0x650 [ 663.398352] ? interrupt_entry+0xb5/0xc0 [ 663.402419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.407450] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.412486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.417332] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.422348] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.427374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.432248] apic_timer_interrupt+0xf/0x20 [ 663.436482] </IRQ> [ 663.438726] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 663.444613] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 663.463519] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 663.471235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 663.478521] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 663.485802] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 663.493069] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 663.500337] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 663.507654] ? save_stack+0xa9/0xd0 [ 663.511341] __kmalloc_node_track_caller+0x3c/0x70 [ 663.516299] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 663.521091] pskb_expand_head+0x230/0x10f0 [ 663.525333] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 663.530787] ? memcpy+0x45/0x50 [ 663.534071] ? __copy_skb_header+0x350/0x6b0 [ 663.538479] ? skb_release_data+0x880/0x880 [ 663.542806] ? __alloc_skb+0x770/0x770 [ 663.546713] ? __lock_is_held+0xb5/0x140 [ 663.550799] ? kasan_check_write+0x14/0x20 [ 663.555050] ? __skb_clone+0x6c7/0xa00 [ 663.558959] ? __copy_skb_header+0x6b0/0x6b0 [ 663.563382] ? kmem_cache_alloc+0x33a/0x730 [ 663.567711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.573255] skb_ensure_writable+0x3dd/0x640 [ 663.577677] ? skb_checksum_setup+0xaa0/0xaa0 [ 663.582178] ? preempt_notifier_register+0x200/0x200 [ 663.587290] ? __switch_to_asm+0x34/0x70 [ 663.591351] ? __switch_to_asm+0x34/0x70 [ 663.595409] ? __switch_to_asm+0x40/0x70 [ 663.599471] ? __switch_to_asm+0x34/0x70 [ 663.603538] ? __switch_to_asm+0x40/0x70 [ 663.607610] ? __switch_to_asm+0x40/0x70 [ 663.611668] ? __switch_to_asm+0x34/0x70 [ 663.615727] ? __switch_to_asm+0x34/0x70 [ 663.619789] ? __switch_to_asm+0x40/0x70 [ 663.623847] ? __switch_to_asm+0x34/0x70 [ 663.627917] bpf_clone_redirect+0x14a/0x490 [ 663.632290] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 663.637314] ? __sched_text_start+0x8/0x8 [ 663.641464] ? retint_kernel+0x2d/0x2d [ 663.645365] ? find_held_lock+0x36/0x1c0 [ 663.649435] ? lock_acquire+0x1ed/0x520 [ 663.653409] ? bpf_test_run+0x3cb/0x780 [ 663.657384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.662923] ? check_preemption_disabled+0x48/0x280 [ 663.667945] ? kasan_check_read+0x11/0x20 [ 663.672098] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 663.677388] ? rcu_softirq_qs+0x20/0x20 [ 663.681369] ? preempt_schedule+0x4d/0x60 [ 663.685535] ? ___preempt_schedule+0x16/0x18 [ 663.689952] ? bpf_test_run+0x25d/0x780 [ 663.693941] ? netlink_diag_dump+0x2a0/0x2a0 [ 663.698355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.703892] ? bpf_test_init.isra.10+0x70/0x100 [ 663.708570] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 663.713343] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.718184] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 663.723736] ? fput+0x130/0x1a0 [ 663.727051] ? __bpf_prog_get+0x9b/0x290 [ 663.731115] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.735960] ? bpf_prog_test_run+0x130/0x1a0 [ 663.740390] ? __x64_sys_bpf+0x3d8/0x520 [ 663.744454] ? bpf_prog_get+0x20/0x20 [ 663.748284] ? do_syscall_64+0x1b9/0x820 [ 663.752360] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 663.757725] ? syscall_return_slowpath+0x5e0/0x5e0 [ 663.762671] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.767687] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 663.772770] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 663.779440] ? __switch_to_asm+0x40/0x70 [ 663.783503] ? __switch_to_asm+0x34/0x70 [ 663.787570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.792422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 663.797819] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 663.797933] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 663.804839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 663.815327] syz-executor3 cpuset=syz3 mems_allowed=0 [ 663.824668] Call Trace: [ 663.832326] <IRQ> [ 663.834483] dump_stack+0x244/0x39d [ 663.838127] ? dump_stack_print_info.cold.1+0x20/0x20 [ 663.843357] warn_alloc.cold.116+0xb7/0x1bd [ 663.847685] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 663.852569] ? lock_downgrade+0x900/0x900 [ 663.856730] ? trace_hardirqs_off+0xb8/0x310 [ 663.861144] ? trace_hardirqs_off+0xb8/0x310 [ 663.865567] __alloc_pages_slowpath+0x2651/0x2de0 [ 663.870436] ? warn_alloc+0x120/0x120 [ 663.874238] ? print_usage_bug+0xc0/0xc0 [ 663.878306] ? warn_alloc+0x120/0x120 [ 663.882120] ? warn_alloc+0x120/0x120 [ 663.885921] ? print_usage_bug+0xc0/0xc0 [ 663.889977] ? kvm_clock_read+0x18/0x30 [ 663.893951] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 663.898967] ? print_usage_bug+0xc0/0xc0 [ 663.903059] ? __lock_acquire+0x62f/0x4c20 [ 663.907351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.912910] ? should_fail+0x22d/0xd01 [ 663.916797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 663.922080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.927184] ? __lock_acquire+0x62f/0x4c20 [ 663.931427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.936530] ? __lock_acquire+0x62f/0x4c20 [ 663.940769] ? should_fail+0x22d/0xd01 [ 663.944652] ? rcu_irq_exit+0x1a2/0x390 [ 663.948641] ? mark_held_locks+0x130/0x130 [ 663.952883] ? mark_held_locks+0x130/0x130 [ 663.957127] ? mark_held_locks+0xc7/0x130 [ 663.961285] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 663.966508] ? zap_class+0x640/0x640 [ 663.970227] ? print_usage_bug+0xc0/0xc0 [ 663.974304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.979845] ? check_preemption_disabled+0x48/0x280 [ 663.984902] ? __lock_is_held+0xb5/0x140 [ 663.988973] __alloc_pages_nodemask+0xad8/0xea0 [ 663.993643] ? zap_class+0x640/0x640 [ 663.997368] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 664.002406] ? find_held_lock+0x36/0x1c0 [ 664.006481] ? ____cache_alloc_node+0x1c7/0x1e0 [ 664.011167] ? lock_downgrade+0x900/0x900 [ 664.015324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.020864] cache_grow_begin+0xa5/0x8c0 [ 664.024925] ? do_raw_spin_unlock+0xa7/0x330 [ 664.029347] fallback_alloc+0x204/0x2e0 [ 664.033346] ____cache_alloc_node+0x1c7/0x1e0 [ 664.037850] kmem_cache_alloc_node+0xe3/0x730 [ 664.042350] ? ipv6_get_ifaddr+0x42e/0x620 [ 664.046594] __alloc_skb+0x119/0x770 [ 664.050321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.055603] ? netdev_alloc_frag+0x1f0/0x1f0 [ 664.060026] ? lock_downgrade+0x900/0x900 [ 664.064214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.069750] ? refcount_sub_and_test_checked+0x203/0x310 [ 664.075218] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 664.080686] ? addrconf_rs_timer+0x690/0x690 [ 664.085107] ndisc_alloc_skb+0x144/0x340 [ 664.089178] ndisc_send_rs+0x331/0x6e0 [ 664.093070] addrconf_rs_timer+0x314/0x690 [ 664.097473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.101721] call_timer_fn+0x272/0x920 [ 664.105638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.109868] ? process_timeout+0x40/0x40 [ 664.113935] ? mark_held_locks+0xc7/0x130 [ 664.118113] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.122604] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.127131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.131365] ? lockdep_hardirqs_on+0x296/0x5b0 [ 664.135950] ? trace_hardirqs_on+0xbd/0x310 [ 664.140281] ? kasan_check_read+0x11/0x20 [ 664.144427] ? __run_timers+0x7da/0xc70 [ 664.148402] ? trace_hardirqs_off_caller+0x310/0x310 [ 664.153507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.157755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.161998] __run_timers+0x7e5/0xc70 [ 664.165811] ? timer_fixup_init+0x70/0x70 [ 664.169963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 664.174984] ? zap_class+0x640/0x640 [ 664.178703] ? print_usage_bug+0xc0/0xc0 [ 664.182779] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 664.187981] ? find_held_lock+0x36/0x1c0 [ 664.192067] ? zap_class+0x640/0x640 [ 664.195786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.201324] ? check_preemption_disabled+0x48/0x280 [ 664.206349] ? __lock_is_held+0xb5/0x140 [ 664.210413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.215954] ? check_preemption_disabled+0x48/0x280 [ 664.221021] run_timer_softirq+0x52/0xb0 [ 664.225083] ? rcu_read_lock_sched_held+0x14f/0x180 [ 664.230103] __do_softirq+0x308/0xb7e [ 664.233912] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 664.238411] ? lock_downgrade+0x900/0x900 [ 664.242566] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 664.247691] ? pvclock_read_flags+0x160/0x160 [ 664.252207] ? lapic_next_event+0x5a/0x90 [ 664.256371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.261919] ? kvm_clock_read+0x18/0x30 [ 664.265892] ? kvm_sched_clock_read+0x9/0x20 [ 664.270339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.275880] ? check_preemption_disabled+0x48/0x280 [ 664.280905] irq_exit+0x17f/0x1c0 [ 664.284361] smp_apic_timer_interrupt+0x1cb/0x760 [ 664.289200] ? smp_call_function_single_interrupt+0x159/0x650 [ 664.295087] ? smp_call_function_single_interrupt+0x650/0x650 [ 664.300971] ? interrupt_entry+0xb5/0xc0 [ 664.305056] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.310101] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.315130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.319974] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.324988] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.330003] ? task_prio+0x50/0x50 [ 664.333552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.339095] ? check_preemption_disabled+0x48/0x280 [ 664.344118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.348990] apic_timer_interrupt+0xf/0x20 [ 664.353220] </IRQ> [ 664.355460] RIP: 0010:rcu_is_watching+0x0/0x30 [ 664.360040] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 664.378970] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 664.386681] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 664.393951] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 664.401247] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 664.408523] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 664.415795] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 664.423083] ? list_lru_count_one+0x253/0x450 [ 664.427579] ? list_lru_count_one+0x35d/0x450 [ 664.432084] ? list_lru_count_one+0x362/0x450 [ 664.436623] ? list_lru_isolate_move+0x3c0/0x3c0 [ 664.441409] ? shmem_free_inode+0xd0/0xd0 [ 664.445566] ? __lock_is_held+0xb5/0x140 [ 664.449666] super_cache_count+0x1b9/0x2e0 [ 664.453906] do_shrink_slab+0x1b1/0xd30 [ 664.457891] ? snapshot_refaults+0x290/0x290 [ 664.462307] ? lock_release+0xa00/0xa00 [ 664.466293] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 664.471233] ? down_read_trylock+0xda/0x140 [ 664.475814] ? shrink_slab+0x207/0x8c0 [ 664.479708] ? downgrade_write+0x270/0x270 [ 664.483975] shrink_slab+0x389/0x8c0 [ 664.487729] ? shrink_active_list+0x1f00/0x1f00 [ 664.492409] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 664.498041] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 664.503154] ? cgroup_procs_write_finish+0xf0/0xf0 [ 664.508106] ? find_held_lock+0x36/0x1c0 [ 664.512176] shrink_node+0x431/0x16b0 [ 664.516041] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 664.521384] ? shrink_node_memcg+0x18f0/0x18f0 [ 664.525974] ? kvm_clock_read+0x18/0x30 [ 664.529955] ? ktime_get+0x2c1/0x400 [ 664.533683] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 664.538185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 664.543728] ? __cpuset_node_allowed+0x19b/0x660 [ 664.548515] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 664.554234] ? delayacct_end+0x5a/0x100 [ 664.558217] do_try_to_free_pages+0x3e7/0x1290 [ 664.562803] ? zap_class+0x640/0x640 [ 664.566544] ? shrink_node+0x16b0/0x16b0 [ 664.570640] ? __lock_is_held+0xb5/0x140 [ 664.574718] try_to_free_pages+0x4d0/0xb90 [ 664.578958] ? do_try_to_free_pages+0x1290/0x1290 [ 664.583815] ? lock_acquire+0x1ed/0x520 [ 664.587807] ? set_page_refcounted+0x280/0x280 [ 664.592421] ? lock_release+0xa00/0xa00 [ 664.596427] ? _raw_spin_unlock_irq+0x60/0x80 [ 664.600924] ? psi_memstall_enter+0x240/0x2b0 [ 664.605445] ? psi_memstall_tick+0x230/0x230 [ 664.609871] __alloc_pages_slowpath+0xa48/0x2de0 [ 664.614691] ? warn_alloc+0x120/0x120 [ 664.618521] ? mark_held_locks+0x130/0x130 [ 664.622766] ? find_get_entry+0xaae/0x1120 [ 664.627013] ? filemap_map_pages+0x1a20/0x1a20 [ 664.631599] ? zap_class+0x640/0x640 [ 664.635332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.640874] ? check_preemption_disabled+0x48/0x280 [ 664.645900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.651439] ? should_fail+0x22d/0xd01 [ 664.655334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 664.660440] ? zap_class+0x640/0x640 [ 664.664180] ? __lock_is_held+0xb5/0x140 [ 664.668248] ? mark_held_locks+0x130/0x130 [ 664.672496] ? lock_release+0xa00/0xa00 [ 664.676473] ? perf_trace_sched_process_exec+0x860/0x860 [ 664.681964] ? xa_load+0x2ba/0x460 [ 664.685503] ? lock_downgrade+0x900/0x900 [ 664.689671] ? __might_sleep+0x95/0x190 [ 664.693688] __alloc_pages_nodemask+0xad8/0xea0 [ 664.698367] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 664.703387] ? __page_cache_alloc+0x191/0x5c0 [ 664.707884] ? xa_load+0x2e1/0x460 [ 664.711425] ? xa_clear_mark+0x40/0x40 [ 664.715330] ? zap_class+0x640/0x640 [ 664.719066] ? zap_class+0x640/0x640 [ 664.722783] ? zap_class+0x640/0x640 [ 664.726530] ? __do_page_cache_readahead+0x663/0x810 [ 664.731647] ? find_held_lock+0x36/0x1c0 [ 664.735716] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 664.741262] alloc_pages_current+0x173/0x350 [ 664.745682] __page_cache_alloc+0x38c/0x5c0 [ 664.749998] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.754928] ? kasan_check_read+0x11/0x20 [ 664.759091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.764381] ? generic_perform_write+0x6a0/0x6a0 [ 664.769154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.774690] ? check_preemption_disabled+0x48/0x280 [ 664.779716] filemap_fault+0x1595/0x25f0 [ 664.783791] ? __lock_page_or_retry+0xa00/0xa00 [ 664.788464] ? mark_held_locks+0x130/0x130 [ 664.792726] ? filemap_map_pages+0xd6b/0x1a20 [ 664.797253] ? lock_downgrade+0x900/0x900 [ 664.801411] ? check_preemption_disabled+0x48/0x280 [ 664.806439] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.811365] ? kasan_check_read+0x11/0x20 [ 664.815523] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.820804] ? rcu_softirq_qs+0x20/0x20 [ 664.824803] ? filemap_map_pages+0xd92/0x1a20 [ 664.829330] ? find_get_entries_tag+0x1400/0x1400 [ 664.834183] ? debug_object_destroy+0x2b0/0x2b0 [ 664.838854] ? lock_pi_update_atomic+0x150/0x150 [ 664.843611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.849163] ? lock_acquire+0x1ed/0x520 [ 664.853135] ? ext4_filemap_fault+0x7a/0xad [ 664.857480] ? lock_release+0xa00/0xa00 [ 664.861452] ? perf_trace_sched_process_exec+0x860/0x860 [ 664.866907] ? print_usage_bug+0xc0/0xc0 [ 664.870971] ? print_usage_bug+0xc0/0xc0 [ 664.875052] ? down_read+0x8d/0x120 [ 664.878677] ? ext4_filemap_fault+0x7a/0xad [ 664.883001] ? __down_interruptible+0x700/0x700 [ 664.887679] ext4_filemap_fault+0x82/0xad [ 664.891833] __do_fault+0x100/0x6b0 [ 664.895458] ? release_sock+0x1ec/0x2c0 [ 664.899436] ? pmd_devmap_trans_unstable+0x220/0x220 [ 664.904552] ? mark_held_locks+0x130/0x130 [ 664.908803] ? mark_held_locks+0x130/0x130 [ 664.913061] ? lock_sock_nested+0x9a/0x120 [ 664.917337] ? __release_sock+0x3a0/0x3a0 [ 664.921486] ? __local_bh_enable_ip+0x160/0x260 [ 664.926159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.931704] __handle_mm_fault+0x3ea0/0x5be0 [ 664.936124] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 664.940967] ? apparmor_socket_sendmsg+0x29/0x30 [ 664.945729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.951267] ? security_socket_sendmsg+0x94/0xc0 [ 664.956047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.961629] ? zap_class+0x640/0x640 [ 664.965358] ? zap_class+0x640/0x640 [ 664.969072] ? __x64_sys_futex+0x53e/0x6a0 [ 664.973319] ? find_held_lock+0x36/0x1c0 [ 664.977395] ? handle_mm_fault+0x42a/0xc70 [ 664.981635] ? lock_downgrade+0x900/0x900 [ 664.985787] ? check_preemption_disabled+0x48/0x280 [ 664.990829] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.995757] ? kasan_check_read+0x11/0x20 [ 664.999919] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 665.005208] ? rcu_softirq_qs+0x20/0x20 [ 665.009179] ? trace_hardirqs_off_caller+0x310/0x310 [ 665.014289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.019829] ? check_preemption_disabled+0x48/0x280 [ 665.024856] handle_mm_fault+0x54f/0xc70 [ 665.028922] ? __handle_mm_fault+0x5be0/0x5be0 [ 665.033510] ? find_vma+0x34/0x190 [ 665.037062] __do_page_fault+0x5e8/0xe60 [ 665.041122] ? trace_hardirqs_off+0xb8/0x310 [ 665.045527] ? __ia32_sys_read+0xb0/0xb0 [ 665.049600] do_page_fault+0xf2/0x7e0 [ 665.053402] ? vmalloc_sync_all+0x30/0x30 [ 665.057555] ? error_entry+0x70/0xd0 [ 665.061267] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.066294] ? trace_hardirqs_on_caller+0xc0/0x310 [ 665.071226] ? syscall_return_slowpath+0x5e0/0x5e0 [ 665.076151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.080989] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.086004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 665.091460] ? prepare_exit_to_usermode+0x291/0x3b0 [ 665.096474] ? page_fault+0x8/0x30 [ 665.100020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.104901] ? page_fault+0x8/0x30 [ 665.108458] page_fault+0x1e/0x30 [ 665.111911] RIP: 0033:0x45ddf3 [ 665.115129] Code: Bad RIP value. [ 665.118519] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 665.123884] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 665.131148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 665.138450] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 665.145721] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 665.152990] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 665.160301] warn_alloc_show_mem: 1 callbacks suppressed [ 665.160313] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 665.160314] Mem-Info: [ 665.160345] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 665.160345] active_file:13 inactive_file:14 isolated_file:0 [ 665.160345] unevictable:0 dirty:0 writeback:0 unstable:0 [ 665.160345] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 665.160345] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 665.160345] free:13773 free_pcp:174 free_cma:0 [ 665.165686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.172963] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 665.175377] Call Trace: [ 665.208330] 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 [ 665.217674] <IRQ> [ 665.245152] lowmem_reserve[]: 0 2818 6321 6321 [ 665.247750] dump_stack+0x244/0x39d [ 665.273843] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 665.276016] ? dump_stack_print_info.cold.1+0x20/0x20 [ 665.280574] lowmem_reserve[]: 0 0 3503 3503 [ 665.284204] warn_alloc.cold.116+0xb7/0x1bd [ 665.311681] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 665.316877] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 665.321167] lowmem_reserve[]: 0 0 0 0 [ 665.325484] ? lock_downgrade+0x900/0x900 [ 665.354344] 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 [ 665.359182] ? trace_hardirqs_off+0xb8/0x310 [ 665.362967] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 665.367109] ? trace_hardirqs_off+0xb8/0x310 [ 665.380605] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 665.385017] __alloc_pages_slowpath+0x2651/0x2de0 [ 665.400951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 665.405373] ? warn_alloc+0x120/0x120 [ 665.418956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 665.423805] ? warn_alloc+0x120/0x120 [ 665.432615] 271 total pagecache pages [ 665.436420] ? warn_alloc+0x120/0x120 [ 665.444984] 0 pages in swap cache [ 665.448779] ? print_usage_bug+0xc0/0xc0 [ 665.452560] Swap cache stats: add 0, delete 0, find 0/0 [ 665.456350] ? enqueue_hrtimer+0x1a5/0x560 [ 665.459780] Free swap = 0kB [ 665.463835] ? print_usage_bug+0xc0/0xc0 [ 665.469188] Total swap = 0kB [ 665.473433] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 665.476429] 1965979 pages RAM [ 665.480486] ? print_usage_bug+0xc0/0xc0 [ 665.483481] 0 pages HighMem/MovableOnly [ 665.488665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.491745] 342854 pages reserved [ 665.495804] ? should_fail+0x22d/0xd01 [ 665.499755] 0 pages cma reserved [ 665.505313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.508817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 665.512647] ? __lock_acquire+0x62f/0x4c20 [ 665.516091] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 665.521099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.527576] syz-fuzzer cpuset=/ mems_allowed=0 [ 665.531807] ? __lock_acquire+0x62f/0x4c20 [ 665.555975] ? should_fail+0x22d/0xd01 [ 665.559873] ? mark_held_locks+0x130/0x130 [ 665.564118] ? mark_held_locks+0x130/0x130 [ 665.568362] ? mark_held_locks+0x130/0x130 [ 665.572603] ? zap_class+0x640/0x640 [ 665.576319] ? check_preemption_disabled+0x48/0x280 [ 665.581338] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 665.585841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.591383] ? check_preemption_disabled+0x48/0x280 [ 665.596416] ? __lock_is_held+0xb5/0x140 [ 665.600490] __alloc_pages_nodemask+0xad8/0xea0 [ 665.605162] ? zap_class+0x640/0x640 [ 665.608881] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 665.613909] ? find_held_lock+0x36/0x1c0 [ 665.617983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 665.622656] ? lock_downgrade+0x900/0x900 [ 665.626816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.632359] cache_grow_begin+0xa5/0x8c0 [ 665.636425] ? do_raw_spin_unlock+0xa7/0x330 [ 665.640844] fallback_alloc+0x204/0x2e0 [ 665.644825] ____cache_alloc_node+0x1c7/0x1e0 [ 665.649330] kmem_cache_alloc+0x1f8/0x730 [ 665.653490] __build_skb+0xab/0x430 [ 665.657121] ? skb_try_coalesce+0x1b70/0x1b70 [ 665.661623] ? trace_hardirqs_on+0xbd/0x310 [ 665.665948] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 665.671491] ? trace_hardirqs_off_caller+0x310/0x310 [ 665.676593] ? mod_timer+0x631/0x1560 [ 665.680395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.685940] ? check_preemption_disabled+0x48/0x280 [ 665.690963] __netdev_alloc_skb+0x2b5/0x450 [ 665.695306] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 665.700683] ? br_send_bpdu_finish+0x20/0x20 [ 665.705099] ? mark_held_locks+0x130/0x130 [ 665.709337] ? __lock_acquire+0x62f/0x4c20 [ 665.713616] br_send_config_bpdu+0xc9d/0x10a0 [ 665.718123] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 665.723747] ? round_jiffies+0x11c/0x170 [ 665.727816] ? kasan_check_read+0x11/0x20 [ 665.731966] ? do_raw_spin_unlock+0xa7/0x330 [ 665.736396] br_transmit_config+0x8cd/0xbb0 [ 665.740715] ? find_held_lock+0x36/0x1c0 [ 665.744781] ? br_get_port+0x280/0x280 [ 665.748667] ? lock_acquire+0x1ed/0x520 [ 665.752639] ? br_hello_timer_expired+0x20/0x190 [ 665.757404] ? kasan_check_read+0x11/0x20 [ 665.761570] br_config_bpdu_generation+0x16a/0x1c0 [ 665.766501] br_hello_timer_expired+0xa9/0x190 [ 665.771086] call_timer_fn+0x272/0x920 [ 665.774974] ? br_is_root_bridge+0x40/0x40 [ 665.779213] ? process_timeout+0x40/0x40 [ 665.783297] ? __run_timers+0x7da/0xc70 [ 665.787298] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.791809] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.796305] ? br_is_root_bridge+0x40/0x40 [ 665.800538] ? lockdep_hardirqs_on+0x296/0x5b0 [ 665.805220] ? trace_hardirqs_on+0xbd/0x310 [ 665.809538] ? kasan_check_read+0x11/0x20 [ 665.813696] ? __run_timers+0x7da/0xc70 [ 665.817672] ? trace_hardirqs_off_caller+0x310/0x310 [ 665.822808] ? br_is_root_bridge+0x40/0x40 [ 665.827050] __run_timers+0x7e5/0xc70 [ 665.830862] ? timer_fixup_init+0x70/0x70 [ 665.835011] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 665.840052] ? zap_class+0x640/0x640 [ 665.843774] ? enqueue_hrtimer+0x1a5/0x560 [ 665.848012] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 665.853213] ? find_held_lock+0x36/0x1c0 [ 665.857290] ? zap_class+0x640/0x640 [ 665.861012] ? pvclock_read_flags+0x160/0x160 [ 665.865516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.871059] ? check_preemption_disabled+0x48/0x280 [ 665.876090] ? __lock_is_held+0xb5/0x140 [ 665.880153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.885691] ? check_preemption_disabled+0x48/0x280 [ 665.890712] run_timer_softirq+0x52/0xb0 [ 665.894774] ? rcu_read_lock_sched_held+0x14f/0x180 [ 665.899796] __do_softirq+0x308/0xb7e [ 665.903607] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 665.908106] ? lock_downgrade+0x900/0x900 [ 665.912262] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 665.917384] ? pvclock_read_flags+0x160/0x160 [ 665.921884] ? lapic_next_event+0x5a/0x90 [ 665.926046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.931592] ? kvm_clock_read+0x18/0x30 [ 665.935567] ? kvm_sched_clock_read+0x9/0x20 [ 665.939981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.945559] ? check_preemption_disabled+0x48/0x280 [ 665.950586] irq_exit+0x17f/0x1c0 [ 665.954053] smp_apic_timer_interrupt+0x1cb/0x760 [ 665.958912] ? smp_reschedule_interrupt+0x109/0x650 [ 665.964091] ? smp_call_function_single_interrupt+0x650/0x650 [ 665.969995] ? interrupt_entry+0xb5/0xc0 [ 665.974083] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.979103] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.984125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.988986] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.994007] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.999059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.003910] apic_timer_interrupt+0xf/0x20 [ 666.008134] </IRQ> [ 666.010373] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 666.016258] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 666.035180] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 666.042884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 666.050151] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 666.057433] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 666.064698] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 666.071975] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 666.079292] ? save_stack+0xa9/0xd0 [ 666.082931] __kmalloc_node_track_caller+0x3c/0x70 [ 666.087865] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 666.092626] pskb_expand_head+0x230/0x10f0 [ 666.097318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 666.102785] ? memcpy+0x45/0x50 [ 666.106081] ? __copy_skb_header+0x350/0x6b0 [ 666.110493] ? skb_release_data+0x880/0x880 [ 666.114829] ? __alloc_skb+0x770/0x770 [ 666.118728] ? __lock_is_held+0xb5/0x140 [ 666.122815] ? kasan_check_write+0x14/0x20 [ 666.127073] ? __skb_clone+0x6c7/0xa00 [ 666.130964] ? __copy_skb_header+0x6b0/0x6b0 [ 666.135371] ? kmem_cache_alloc+0x33a/0x730 [ 666.139697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.145243] skb_ensure_writable+0x3dd/0x640 [ 666.149663] ? skb_checksum_setup+0xaa0/0xaa0 [ 666.154164] ? preempt_notifier_register+0x200/0x200 [ 666.159268] ? __switch_to_asm+0x34/0x70 [ 666.163343] ? __switch_to_asm+0x34/0x70 [ 666.167416] ? __switch_to_asm+0x40/0x70 [ 666.171474] ? __switch_to_asm+0x34/0x70 [ 666.175533] ? __switch_to_asm+0x40/0x70 [ 666.179594] ? __switch_to_asm+0x40/0x70 [ 666.183653] ? __switch_to_asm+0x34/0x70 [ 666.187728] ? __switch_to_asm+0x34/0x70 [ 666.191788] ? __switch_to_asm+0x40/0x70 [ 666.195848] ? __switch_to_asm+0x34/0x70 [ 666.199934] bpf_clone_redirect+0x14a/0x490 [ 666.204268] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 666.209304] ? __sched_text_start+0x8/0x8 [ 666.213452] ? retint_kernel+0x2d/0x2d [ 666.217365] ? find_held_lock+0x36/0x1c0 [ 666.221435] ? lock_acquire+0x1ed/0x520 [ 666.225411] ? bpf_test_run+0x3cb/0x780 [ 666.229387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.234929] ? check_preemption_disabled+0x48/0x280 [ 666.239972] ? kasan_check_read+0x11/0x20 [ 666.244194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 666.249487] ? rcu_softirq_qs+0x20/0x20 [ 666.253465] ? preempt_schedule+0x4d/0x60 [ 666.257614] ? ___preempt_schedule+0x16/0x18 [ 666.262030] ? bpf_test_run+0x25d/0x780 [ 666.266056] ? netlink_diag_dump+0x2a0/0x2a0 [ 666.270472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.276009] ? bpf_test_init.isra.10+0x70/0x100 [ 666.280686] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 666.285454] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.290309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 666.295847] ? fput+0x130/0x1a0 [ 666.299239] ? __bpf_prog_get+0x9b/0x290 [ 666.303326] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.308183] ? bpf_prog_test_run+0x130/0x1a0 [ 666.312597] ? __x64_sys_bpf+0x3d8/0x520 [ 666.316662] ? bpf_prog_get+0x20/0x20 [ 666.320487] ? do_syscall_64+0x1b9/0x820 [ 666.324548] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 666.329915] ? syscall_return_slowpath+0x5e0/0x5e0 [ 666.334849] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.339869] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 666.344888] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 666.351552] ? __switch_to_asm+0x40/0x70 [ 666.355612] ? __switch_to_asm+0x34/0x70 [ 666.359681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.364531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 666.369915] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 666.370106] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 666.376939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.387406] syz-executor3 cpuset=syz3 mems_allowed=0 [ 666.396761] Call Trace: [ 666.404471] <IRQ> [ 666.406628] dump_stack+0x244/0x39d [ 666.410258] ? dump_stack_print_info.cold.1+0x20/0x20 [ 666.415488] warn_alloc.cold.116+0xb7/0x1bd [ 666.419830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 666.424676] ? lock_downgrade+0x900/0x900 [ 666.428835] ? trace_hardirqs_off+0xb8/0x310 [ 666.433251] ? trace_hardirqs_off+0xb8/0x310 [ 666.437677] __alloc_pages_slowpath+0x2651/0x2de0 [ 666.442555] ? warn_alloc+0x120/0x120 [ 666.446368] ? print_usage_bug+0xc0/0xc0 [ 666.450447] ? warn_alloc+0x120/0x120 [ 666.454253] ? warn_alloc+0x120/0x120 [ 666.458077] ? print_usage_bug+0xc0/0xc0 [ 666.462138] ? kvm_clock_read+0x18/0x30 [ 666.466122] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 666.471167] ? print_usage_bug+0xc0/0xc0 [ 666.475246] ? __lock_acquire+0x62f/0x4c20 [ 666.479496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.485035] ? should_fail+0x22d/0xd01 [ 666.488996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 666.494310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.499435] ? __lock_acquire+0x62f/0x4c20 [ 666.503687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.508789] ? __lock_acquire+0x62f/0x4c20 [ 666.513022] ? should_fail+0x22d/0xd01 [ 666.516906] ? rcu_irq_exit+0x1a2/0x390 [ 666.520889] ? mark_held_locks+0x130/0x130 [ 666.525131] ? mark_held_locks+0x130/0x130 [ 666.529375] ? mark_held_locks+0xc7/0x130 [ 666.533528] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 666.538573] ? zap_class+0x640/0x640 [ 666.542293] ? print_usage_bug+0xc0/0xc0 [ 666.546376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.551911] ? check_preemption_disabled+0x48/0x280 [ 666.556940] ? __lock_is_held+0xb5/0x140 [ 666.561009] __alloc_pages_nodemask+0xad8/0xea0 [ 666.565684] ? zap_class+0x640/0x640 [ 666.569406] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 666.574449] ? find_held_lock+0x36/0x1c0 [ 666.578542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 666.583212] ? lock_downgrade+0x900/0x900 [ 666.587403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.592946] cache_grow_begin+0xa5/0x8c0 [ 666.597004] ? do_raw_spin_unlock+0xa7/0x330 [ 666.601422] fallback_alloc+0x204/0x2e0 [ 666.605420] ____cache_alloc_node+0x1c7/0x1e0 [ 666.609923] kmem_cache_alloc_node+0xe3/0x730 [ 666.614419] ? ipv6_get_ifaddr+0x42e/0x620 [ 666.618678] __alloc_skb+0x119/0x770 [ 666.622390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 666.627676] ? netdev_alloc_frag+0x1f0/0x1f0 [ 666.632083] ? lock_downgrade+0x900/0x900 [ 666.636238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.641773] ? refcount_sub_and_test_checked+0x203/0x310 [ 666.647224] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 666.652672] ? addrconf_rs_timer+0x690/0x690 [ 666.657093] ndisc_alloc_skb+0x144/0x340 [ 666.661159] ndisc_send_rs+0x331/0x6e0 [ 666.665090] addrconf_rs_timer+0x314/0x690 [ 666.669344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.673636] call_timer_fn+0x272/0x920 [ 666.677545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.681778] ? process_timeout+0x40/0x40 [ 666.685877] ? mark_held_locks+0xc7/0x130 [ 666.690043] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.694546] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.699045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.703291] ? lockdep_hardirqs_on+0x296/0x5b0 [ 666.707878] ? trace_hardirqs_on+0xbd/0x310 [ 666.712199] ? kasan_check_read+0x11/0x20 [ 666.716445] ? __run_timers+0x7da/0xc70 [ 666.720437] ? trace_hardirqs_off_caller+0x310/0x310 [ 666.725550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.729790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.734023] __run_timers+0x7e5/0xc70 [ 666.737831] ? timer_fixup_init+0x70/0x70 [ 666.741982] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 666.747002] ? zap_class+0x640/0x640 [ 666.750720] ? print_usage_bug+0xc0/0xc0 [ 666.754803] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 666.760006] ? find_held_lock+0x36/0x1c0 [ 666.764254] ? zap_class+0x640/0x640 [ 666.767980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.773517] ? check_preemption_disabled+0x48/0x280 [ 666.778554] ? __lock_is_held+0xb5/0x140 [ 666.782622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.788164] ? check_preemption_disabled+0x48/0x280 [ 666.793188] run_timer_softirq+0x52/0xb0 [ 666.797252] ? rcu_read_lock_sched_held+0x14f/0x180 [ 666.802300] __do_softirq+0x308/0xb7e [ 666.806108] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 666.810601] ? lock_downgrade+0x900/0x900 [ 666.814753] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 666.819866] ? pvclock_read_flags+0x160/0x160 [ 666.824364] ? lapic_next_event+0x5a/0x90 [ 666.828515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.834063] ? kvm_clock_read+0x18/0x30 [ 666.838038] ? kvm_sched_clock_read+0x9/0x20 [ 666.842451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.847992] ? check_preemption_disabled+0x48/0x280 [ 666.853033] irq_exit+0x17f/0x1c0 [ 666.856490] smp_apic_timer_interrupt+0x1cb/0x760 [ 666.861338] ? smp_call_function_single_interrupt+0x159/0x650 [ 666.867226] ? smp_call_function_single_interrupt+0x650/0x650 [ 666.873126] ? interrupt_entry+0xb5/0xc0 [ 666.877192] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.882207] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.887227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.892090] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.897104] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.902134] ? task_prio+0x50/0x50 [ 666.905710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.911281] ? check_preemption_disabled+0x48/0x280 [ 666.916312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.921176] apic_timer_interrupt+0xf/0x20 [ 666.925401] </IRQ> [ 666.927644] RIP: 0010:rcu_is_watching+0x0/0x30 [ 666.932226] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 666.951125] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 666.958835] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 666.966106] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 666.973374] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 666.980671] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 666.987940] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 666.995243] ? list_lru_count_one+0x253/0x450 [ 666.999741] ? list_lru_count_one+0x35d/0x450 [ 667.004242] ? list_lru_count_one+0x362/0x450 [ 667.008748] ? list_lru_isolate_move+0x3c0/0x3c0 [ 667.013505] ? shmem_free_inode+0xd0/0xd0 [ 667.017660] ? __lock_is_held+0xb5/0x140 [ 667.021739] super_cache_count+0x1b9/0x2e0 [ 667.025980] do_shrink_slab+0x1b1/0xd30 [ 667.029977] ? snapshot_refaults+0x290/0x290 [ 667.034398] ? lock_release+0xa00/0xa00 [ 667.038379] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 667.043321] ? down_read_trylock+0xda/0x140 [ 667.047638] ? shrink_slab+0x207/0x8c0 [ 667.051522] ? downgrade_write+0x270/0x270 [ 667.055773] shrink_slab+0x389/0x8c0 [ 667.059491] ? shrink_active_list+0x1f00/0x1f00 [ 667.064169] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 667.069807] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 667.074928] ? cgroup_procs_write_finish+0xf0/0xf0 [ 667.079857] ? find_held_lock+0x36/0x1c0 [ 667.083923] shrink_node+0x431/0x16b0 [ 667.087747] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 667.093042] ? shrink_node_memcg+0x18f0/0x18f0 [ 667.097628] ? kvm_clock_read+0x18/0x30 [ 667.101601] ? ktime_get+0x2c1/0x400 [ 667.105316] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 667.109832] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 667.115366] ? __cpuset_node_allowed+0x19b/0x660 [ 667.120116] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 667.125873] ? delayacct_end+0x5a/0x100 [ 667.129903] do_try_to_free_pages+0x3e7/0x1290 [ 667.134518] ? zap_class+0x640/0x640 [ 667.138266] ? shrink_node+0x16b0/0x16b0 [ 667.142336] ? __lock_is_held+0xb5/0x140 [ 667.146407] try_to_free_pages+0x4d0/0xb90 [ 667.150643] ? do_try_to_free_pages+0x1290/0x1290 [ 667.155494] ? lock_acquire+0x1ed/0x520 [ 667.159474] ? set_page_refcounted+0x280/0x280 [ 667.164096] ? lock_release+0xa00/0xa00 [ 667.168101] ? _raw_spin_unlock_irq+0x60/0x80 [ 667.172594] ? psi_memstall_enter+0x240/0x2b0 [ 667.177088] ? psi_memstall_tick+0x230/0x230 [ 667.181506] __alloc_pages_slowpath+0xa48/0x2de0 [ 667.186300] ? warn_alloc+0x120/0x120 [ 667.190100] ? mark_held_locks+0x130/0x130 [ 667.194373] ? find_get_entry+0xaae/0x1120 [ 667.198616] ? filemap_map_pages+0x1a20/0x1a20 [ 667.203201] ? zap_class+0x640/0x640 [ 667.206917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.212451] ? check_preemption_disabled+0x48/0x280 [ 667.217472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.223012] ? should_fail+0x22d/0xd01 [ 667.226904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 667.232022] ? zap_class+0x640/0x640 [ 667.235810] ? __lock_is_held+0xb5/0x140 [ 667.239878] ? mark_held_locks+0x130/0x130 [ 667.244121] ? lock_release+0xa00/0xa00 [ 667.248095] ? perf_trace_sched_process_exec+0x860/0x860 [ 667.253562] ? xa_load+0x2ba/0x460 [ 667.257102] ? lock_downgrade+0x900/0x900 [ 667.261255] ? __might_sleep+0x95/0x190 [ 667.265246] __alloc_pages_nodemask+0xad8/0xea0 [ 667.269928] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 667.274942] ? __page_cache_alloc+0x191/0x5c0 [ 667.279437] ? xa_load+0x2e1/0x460 [ 667.282981] ? xa_clear_mark+0x40/0x40 [ 667.286871] ? zap_class+0x640/0x640 [ 667.290591] ? zap_class+0x640/0x640 [ 667.294312] ? zap_class+0x640/0x640 [ 667.298029] ? __do_page_cache_readahead+0x663/0x810 [ 667.303170] ? find_held_lock+0x36/0x1c0 [ 667.307237] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 667.312778] alloc_pages_current+0x173/0x350 [ 667.317192] __page_cache_alloc+0x38c/0x5c0 [ 667.321512] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.326466] ? kasan_check_read+0x11/0x20 [ 667.330611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.335911] ? generic_perform_write+0x6a0/0x6a0 [ 667.340686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.346224] ? check_preemption_disabled+0x48/0x280 [ 667.351243] filemap_fault+0x1595/0x25f0 [ 667.355318] ? __lock_page_or_retry+0xa00/0xa00 [ 667.359998] ? mark_held_locks+0x130/0x130 [ 667.364241] ? filemap_map_pages+0xd6b/0x1a20 [ 667.368746] ? lock_downgrade+0x900/0x900 [ 667.372902] ? check_preemption_disabled+0x48/0x280 [ 667.377929] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.382856] ? kasan_check_read+0x11/0x20 [ 667.387003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.392286] ? rcu_softirq_qs+0x20/0x20 [ 667.396281] ? filemap_map_pages+0xd92/0x1a20 [ 667.400789] ? find_get_entries_tag+0x1400/0x1400 [ 667.405662] ? debug_object_destroy+0x2b0/0x2b0 [ 667.410332] ? lock_pi_update_atomic+0x150/0x150 [ 667.415087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.420649] ? lock_acquire+0x1ed/0x520 [ 667.424624] ? ext4_filemap_fault+0x7a/0xad [ 667.428952] ? lock_release+0xa00/0xa00 [ 667.432927] ? perf_trace_sched_process_exec+0x860/0x860 [ 667.438383] ? print_usage_bug+0xc0/0xc0 [ 667.442445] ? print_usage_bug+0xc0/0xc0 [ 667.446520] ? down_read+0x8d/0x120 [ 667.450162] ? ext4_filemap_fault+0x7a/0xad [ 667.454484] ? __down_interruptible+0x700/0x700 [ 667.459176] ext4_filemap_fault+0x82/0xad [ 667.463341] __do_fault+0x100/0x6b0 [ 667.466964] ? release_sock+0x1ec/0x2c0 [ 667.470943] ? pmd_devmap_trans_unstable+0x220/0x220 [ 667.476047] ? mark_held_locks+0x130/0x130 [ 667.480309] ? mark_held_locks+0x130/0x130 [ 667.484549] ? lock_sock_nested+0x9a/0x120 [ 667.488789] ? __release_sock+0x3a0/0x3a0 [ 667.492964] ? __local_bh_enable_ip+0x160/0x260 [ 667.497637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.503179] __handle_mm_fault+0x3ea0/0x5be0 [ 667.507602] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 667.512444] ? apparmor_socket_sendmsg+0x29/0x30 [ 667.517198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.522733] ? security_socket_sendmsg+0x94/0xc0 [ 667.527521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.533134] ? zap_class+0x640/0x640 [ 667.536850] ? zap_class+0x640/0x640 [ 667.540571] ? __x64_sys_futex+0x53e/0x6a0 [ 667.544813] ? find_held_lock+0x36/0x1c0 [ 667.548893] ? handle_mm_fault+0x42a/0xc70 [ 667.553159] ? lock_downgrade+0x900/0x900 [ 667.557311] ? check_preemption_disabled+0x48/0x280 [ 667.562332] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.567262] ? kasan_check_read+0x11/0x20 [ 667.571415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.576693] ? rcu_softirq_qs+0x20/0x20 [ 667.580682] ? trace_hardirqs_off_caller+0x310/0x310 [ 667.585787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.591325] ? check_preemption_disabled+0x48/0x280 [ 667.596352] handle_mm_fault+0x54f/0xc70 [ 667.600416] ? __handle_mm_fault+0x5be0/0x5be0 [ 667.605008] ? find_vma+0x34/0x190 [ 667.608562] __do_page_fault+0x5e8/0xe60 [ 667.612624] ? trace_hardirqs_off+0xb8/0x310 [ 667.617031] ? __ia32_sys_read+0xb0/0xb0 [ 667.621105] do_page_fault+0xf2/0x7e0 [ 667.624910] ? vmalloc_sync_all+0x30/0x30 [ 667.629065] ? error_entry+0x70/0xd0 [ 667.632779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 667.637793] ? trace_hardirqs_on_caller+0xc0/0x310 [ 667.642726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 667.647653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.652496] ? trace_hardirqs_on_caller+0x310/0x310 [ 667.657517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 667.662993] ? prepare_exit_to_usermode+0x291/0x3b0 [ 667.668013] ? page_fault+0x8/0x30 [ 667.671583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.676460] ? page_fault+0x8/0x30 [ 667.679999] page_fault+0x1e/0x30 [ 667.683453] RIP: 0033:0x45ddf3 [ 667.686668] Code: Bad RIP value. [ 667.690031] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 667.695395] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 667.702660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 667.709924] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 667.717189] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 667.724467] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 667.731774] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 667.731779] warn_alloc_show_mem: 1 callbacks suppressed [ 667.731786] Mem-Info: [ 667.739061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 667.744436] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 667.744436] active_file:13 inactive_file:14 isolated_file:0 [ 667.744436] unevictable:0 dirty:0 writeback:0 unstable:0 [ 667.744436] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 667.744436] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 667.744436] free:13773 free_pcp:174 free_cma:0 [ 667.746808] Call Trace: [ 667.756188] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 667.789136] <IRQ> [ 667.791706] 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 [ 667.819299] dump_stack+0x244/0x39d [ 667.821420] lowmem_reserve[]: 0 2818 6321 6321 [ 667.847528] ? dump_stack_print_info.cold.1+0x20/0x20 [ 667.851132] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 667.855714] warn_alloc.cold.116+0xb7/0x1bd [ 667.860872] lowmem_reserve[]: 0 0 3503 3503 [ 667.888383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 667.892686] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 667.897004] ? lock_downgrade+0x900/0x900 [ 667.901818] lowmem_reserve[]: 0 0 0 0 [ 667.930704] ? trace_hardirqs_off+0xb8/0x310 [ 667.934824] 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 [ 667.938621] ? trace_hardirqs_off+0xb8/0x310 [ 667.943007] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 667.956527] __alloc_pages_slowpath+0x2651/0x2de0 [ 667.960912] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 667.977016] ? warn_alloc+0x120/0x120 [ 667.981825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 667.995441] ? warn_alloc+0x120/0x120 [ 667.999224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 668.008052] ? zap_class+0x640/0x640 [ 668.011828] 271 total pagecache pages [ 668.020393] ? warn_alloc+0x120/0x120 [ 668.024090] 0 pages in swap cache [ 668.027889] ? print_usage_bug+0xc0/0xc0 [ 668.031664] Swap cache stats: add 0, delete 0, find 0/0 [ 668.035130] ? print_usage_bug+0xc0/0xc0 [ 668.039171] Free swap = 0kB [ 668.044524] ? __lock_is_held+0xb5/0x140 [ 668.048564] Total swap = 0kB [ 668.051600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.055637] 1965979 pages RAM [ 668.058653] ? should_fail+0x22d/0xd01 [ 668.064172] 0 pages HighMem/MovableOnly [ 668.067309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.071174] 342854 pages reserved [ 668.075142] ? __lock_acquire+0x62f/0x4c20 [ 668.080221] 0 pages cma reserved [ 668.083674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.087962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 668.091237] ? __lock_acquire+0x62f/0x4c20 [ 668.091254] ? should_fail+0x22d/0xd01 [ 668.096678] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 668.102998] ? mark_held_locks+0x130/0x130 [ 668.107216] syz-fuzzer cpuset=/ mems_allowed=0 [ 668.111103] ? mark_held_locks+0x130/0x130 [ 668.134318] ? try_to_wake_up+0x11c/0x1490 [ 668.138571] ? lock_downgrade+0x900/0x900 [ 668.142727] ? zap_class+0x640/0x640 [ 668.146459] ? print_usage_bug+0xc0/0xc0 [ 668.150524] ? trace_hardirqs_off+0xb8/0x310 [ 668.154931] ? kasan_check_read+0x11/0x20 [ 668.159080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.164619] ? check_preemption_disabled+0x48/0x280 [ 668.169647] ? __lock_is_held+0xb5/0x140 [ 668.173732] __alloc_pages_nodemask+0xad8/0xea0 [ 668.178403] ? zap_class+0x640/0x640 [ 668.182127] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 668.187155] ? find_held_lock+0x36/0x1c0 [ 668.191246] ? ____cache_alloc_node+0x1c7/0x1e0 [ 668.195926] ? lock_downgrade+0x900/0x900 [ 668.200081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.205626] cache_grow_begin+0xa5/0x8c0 [ 668.209690] ? do_raw_spin_unlock+0xa7/0x330 [ 668.214105] fallback_alloc+0x204/0x2e0 [ 668.218090] ____cache_alloc_node+0x1c7/0x1e0 [ 668.222595] kmem_cache_alloc_node+0xe3/0x730 [ 668.227094] ? ipv6_get_ifaddr+0x42e/0x620 [ 668.231341] __alloc_skb+0x119/0x770 [ 668.235071] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 668.240367] ? netdev_alloc_frag+0x1f0/0x1f0 [ 668.244776] ? lock_downgrade+0x900/0x900 [ 668.248935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.254478] ? refcount_sub_and_test_checked+0x203/0x310 [ 668.259946] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 668.265432] ? addrconf_rs_timer+0x690/0x690 [ 668.269853] ndisc_alloc_skb+0x144/0x340 [ 668.273937] ndisc_send_rs+0x331/0x6e0 [ 668.277863] addrconf_rs_timer+0x314/0x690 [ 668.282105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.286354] call_timer_fn+0x272/0x920 [ 668.290241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.294483] ? process_timeout+0x40/0x40 [ 668.298560] ? __run_timers+0x7da/0xc70 [ 668.302563] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.307072] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.311595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.315833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 668.320416] ? trace_hardirqs_on+0xbd/0x310 [ 668.324737] ? kasan_check_read+0x11/0x20 [ 668.328881] ? __run_timers+0x7da/0xc70 [ 668.332868] ? trace_hardirqs_off_caller+0x310/0x310 [ 668.337985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.342218] __run_timers+0x7e5/0xc70 [ 668.346029] ? timer_fixup_init+0x70/0x70 [ 668.350201] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 668.355220] ? zap_class+0x640/0x640 [ 668.358939] ? enqueue_hrtimer+0x1a5/0x560 [ 668.363177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 668.368382] ? find_held_lock+0x36/0x1c0 [ 668.372448] ? zap_class+0x640/0x640 [ 668.376168] ? pvclock_read_flags+0x160/0x160 [ 668.380668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.386241] ? check_preemption_disabled+0x48/0x280 [ 668.391313] ? __lock_is_held+0xb5/0x140 [ 668.395375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.400912] ? check_preemption_disabled+0x48/0x280 [ 668.405933] run_timer_softirq+0x52/0xb0 [ 668.409996] ? rcu_read_lock_sched_held+0x14f/0x180 [ 668.415017] __do_softirq+0x308/0xb7e [ 668.418829] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 668.423356] ? lock_downgrade+0x900/0x900 [ 668.427545] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 668.432659] ? pvclock_read_flags+0x160/0x160 [ 668.437171] ? lapic_next_event+0x5a/0x90 [ 668.441352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.446895] ? kvm_clock_read+0x18/0x30 [ 668.450888] ? kvm_sched_clock_read+0x9/0x20 [ 668.455310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.460849] ? check_preemption_disabled+0x48/0x280 [ 668.465876] irq_exit+0x17f/0x1c0 [ 668.469334] smp_apic_timer_interrupt+0x1cb/0x760 [ 668.474178] ? smp_reschedule_interrupt+0x109/0x650 [ 668.479198] ? smp_call_function_single_interrupt+0x650/0x650 [ 668.485082] ? interrupt_entry+0xb5/0xc0 [ 668.489161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.494176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.499194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.504042] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.509063] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.514124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.518974] apic_timer_interrupt+0xf/0x20 [ 668.523204] </IRQ> [ 668.525458] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 668.531347] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 668.550249] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 668.557959] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 668.565224] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 668.572489] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 668.579756] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 668.587024] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 668.594351] ? save_stack+0xa9/0xd0 [ 668.598087] __kmalloc_node_track_caller+0x3c/0x70 [ 668.603026] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 668.607790] pskb_expand_head+0x230/0x10f0 [ 668.612030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 668.617486] ? memcpy+0x45/0x50 [ 668.620767] ? __copy_skb_header+0x350/0x6b0 [ 668.625175] ? skb_release_data+0x880/0x880 [ 668.629494] ? __alloc_skb+0x770/0x770 [ 668.633403] ? __lock_is_held+0xb5/0x140 [ 668.637472] ? kasan_check_write+0x14/0x20 [ 668.641708] ? __skb_clone+0x6c7/0xa00 [ 668.645604] ? __copy_skb_header+0x6b0/0x6b0 [ 668.650016] ? kmem_cache_alloc+0x33a/0x730 [ 668.654346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.659896] skb_ensure_writable+0x3dd/0x640 [ 668.664320] ? skb_checksum_setup+0xaa0/0xaa0 [ 668.668819] ? preempt_notifier_register+0x200/0x200 [ 668.673920] ? __switch_to_asm+0x34/0x70 [ 668.677979] ? __switch_to_asm+0x34/0x70 [ 668.682044] ? __switch_to_asm+0x40/0x70 [ 668.686104] ? __switch_to_asm+0x34/0x70 [ 668.690160] ? __switch_to_asm+0x40/0x70 [ 668.694216] ? __switch_to_asm+0x40/0x70 [ 668.698282] ? __switch_to_asm+0x34/0x70 [ 668.702346] ? __switch_to_asm+0x34/0x70 [ 668.706405] ? __switch_to_asm+0x40/0x70 [ 668.710462] ? __switch_to_asm+0x34/0x70 [ 668.714532] bpf_clone_redirect+0x14a/0x490 [ 668.718864] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 668.723891] ? __sched_text_start+0x8/0x8 [ 668.728069] ? retint_kernel+0x2d/0x2d [ 668.731969] ? find_held_lock+0x36/0x1c0 [ 668.736044] ? lock_acquire+0x1ed/0x520 [ 668.740022] ? bpf_test_run+0x3cb/0x780 [ 668.744003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.749547] ? check_preemption_disabled+0x48/0x280 [ 668.754570] ? kasan_check_read+0x11/0x20 [ 668.758738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 668.764014] ? rcu_softirq_qs+0x20/0x20 [ 668.767995] ? preempt_schedule+0x4d/0x60 [ 668.772157] ? ___preempt_schedule+0x16/0x18 [ 668.776605] ? bpf_test_run+0x25d/0x780 [ 668.780607] ? netlink_diag_dump+0x2a0/0x2a0 [ 668.785021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.790583] ? bpf_test_init.isra.10+0x70/0x100 [ 668.795325] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 668.800093] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 668.804934] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 668.810474] ? fput+0x130/0x1a0 [ 668.813788] ? __bpf_prog_get+0x9b/0x290 [ 668.817872] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 668.822735] ? bpf_prog_test_run+0x130/0x1a0 [ 668.827146] ? __x64_sys_bpf+0x3d8/0x520 [ 668.831209] ? bpf_prog_get+0x20/0x20 [ 668.835030] ? do_syscall_64+0x1b9/0x820 [ 668.839103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 668.844473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 668.849406] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.854427] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 668.859445] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 668.866111] ? __switch_to_asm+0x40/0x70 [ 668.870173] ? __switch_to_asm+0x34/0x70 [ 668.874240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.879097] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 668.884518] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 668.884590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 668.891535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.898196] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 668.907395] Call Trace: [ 668.917870] syz-executor3 cpuset=syz3 mems_allowed=0 [ 668.920438] <IRQ> [ 668.927693] dump_stack+0x244/0x39d [ 668.931344] ? dump_stack_print_info.cold.1+0x20/0x20 [ 668.936553] warn_alloc.cold.116+0xb7/0x1bd [ 668.940894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 668.945741] ? lock_downgrade+0x900/0x900 [ 668.949914] ? trace_hardirqs_off+0xb8/0x310 [ 668.954334] ? trace_hardirqs_off+0xb8/0x310 [ 668.958752] __alloc_pages_slowpath+0x2651/0x2de0 [ 668.963627] ? warn_alloc+0x120/0x120 [ 668.967430] ? print_usage_bug+0xc0/0xc0 [ 668.971497] ? warn_alloc+0x120/0x120 [ 668.975328] ? warn_alloc+0x120/0x120 [ 668.979134] ? print_usage_bug+0xc0/0xc0 [ 668.983206] ? print_usage_bug+0xc0/0xc0 [ 668.987269] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 668.992340] ? print_usage_bug+0xc0/0xc0 [ 668.996421] ? __lock_acquire+0x62f/0x4c20 [ 669.000666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.006205] ? should_fail+0x22d/0xd01 [ 669.010113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.015218] ? __lock_acquire+0x62f/0x4c20 [ 669.019458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.024566] ? __lock_acquire+0x62f/0x4c20 [ 669.028799] ? should_fail+0x22d/0xd01 [ 669.032697] ? mark_held_locks+0x130/0x130 [ 669.036956] ? mark_held_locks+0x130/0x130 [ 669.041205] ? zap_class+0x640/0x640 [ 669.044918] ? print_usage_bug+0xc0/0xc0 [ 669.049001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.054549] ? check_preemption_disabled+0x48/0x280 [ 669.059582] ? __lock_is_held+0xb5/0x140 [ 669.063694] __alloc_pages_nodemask+0xad8/0xea0 [ 669.068381] ? zap_class+0x640/0x640 [ 669.072099] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 669.077125] ? find_held_lock+0x36/0x1c0 [ 669.081213] ? ____cache_alloc_node+0x1c7/0x1e0 [ 669.085885] ? lock_downgrade+0x900/0x900 [ 669.090045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.095586] cache_grow_begin+0xa5/0x8c0 [ 669.099645] ? do_raw_spin_unlock+0xa7/0x330 [ 669.104073] fallback_alloc+0x204/0x2e0 [ 669.108052] ____cache_alloc_node+0x1c7/0x1e0 [ 669.112570] kmem_cache_alloc_node+0xe3/0x730 [ 669.117066] ? ipv6_get_ifaddr+0x42e/0x620 [ 669.121317] __alloc_skb+0x119/0x770 [ 669.125029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.130314] ? netdev_alloc_frag+0x1f0/0x1f0 [ 669.134723] ? lock_downgrade+0x900/0x900 [ 669.138878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.144412] ? refcount_sub_and_test_checked+0x203/0x310 [ 669.149864] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 669.155318] ? addrconf_rs_timer+0x690/0x690 [ 669.159744] ndisc_alloc_skb+0x144/0x340 [ 669.163814] ndisc_send_rs+0x331/0x6e0 [ 669.167724] addrconf_rs_timer+0x314/0x690 [ 669.171969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.176217] call_timer_fn+0x272/0x920 [ 669.180106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.184337] ? process_timeout+0x40/0x40 [ 669.188414] ? mark_held_locks+0xc7/0x130 [ 669.192572] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.197081] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.201576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.205812] ? lockdep_hardirqs_on+0x296/0x5b0 [ 669.210396] ? trace_hardirqs_on+0xbd/0x310 [ 669.214715] ? kasan_check_read+0x11/0x20 [ 669.218860] ? __run_timers+0x7da/0xc70 [ 669.222851] ? trace_hardirqs_off_caller+0x310/0x310 [ 669.227966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.232200] __run_timers+0x7e5/0xc70 [ 669.236024] ? timer_fixup_init+0x70/0x70 [ 669.240196] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 669.245221] ? zap_class+0x640/0x640 [ 669.248943] ? print_usage_bug+0xc0/0xc0 [ 669.253008] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 669.258205] ? find_held_lock+0x36/0x1c0 [ 669.262299] ? zap_class+0x640/0x640 [ 669.266021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.271568] ? check_preemption_disabled+0x48/0x280 [ 669.276602] ? __lock_is_held+0xb5/0x140 [ 669.280665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.286204] ? check_preemption_disabled+0x48/0x280 [ 669.291239] run_timer_softirq+0x52/0xb0 [ 669.295303] ? rcu_read_lock_sched_held+0x14f/0x180 [ 669.300324] __do_softirq+0x308/0xb7e [ 669.304131] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 669.308625] ? lock_downgrade+0x900/0x900 [ 669.312776] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 669.317932] ? pvclock_read_flags+0x160/0x160 [ 669.322447] ? lapic_next_event+0x5a/0x90 [ 669.326597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.332139] ? kvm_clock_read+0x18/0x30 [ 669.336127] ? kvm_sched_clock_read+0x9/0x20 [ 669.340542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.346086] ? check_preemption_disabled+0x48/0x280 [ 669.351112] irq_exit+0x17f/0x1c0 [ 669.354573] smp_apic_timer_interrupt+0x1cb/0x760 [ 669.359413] ? smp_call_function_single_interrupt+0x159/0x650 [ 669.365304] ? smp_call_function_single_interrupt+0x650/0x650 [ 669.371215] ? interrupt_entry+0xb5/0xc0 [ 669.375287] ? trace_hardirqs_off_caller+0xbb/0x310 [ 669.380307] ? trace_hardirqs_off_caller+0xbb/0x310 [ 669.385326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.390167] ? trace_hardirqs_on_caller+0x310/0x310 [ 669.395180] ? trace_hardirqs_on_caller+0x310/0x310 [ 669.400197] ? task_prio+0x50/0x50 [ 669.403737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.409274] ? check_preemption_disabled+0x48/0x280 [ 669.414326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.419191] apic_timer_interrupt+0xf/0x20 [ 669.423420] </IRQ> [ 669.425659] RIP: 0010:rcu_is_watching+0x0/0x30 [ 669.430241] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 669.449143] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 669.456869] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 669.464135] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 669.471425] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 669.478692] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 669.485962] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 669.493248] ? list_lru_count_one+0x253/0x450 [ 669.497778] ? list_lru_count_one+0x35d/0x450 [ 669.502290] ? list_lru_count_one+0x362/0x450 [ 669.506788] ? list_lru_isolate_move+0x3c0/0x3c0 [ 669.511549] ? shmem_free_inode+0xd0/0xd0 [ 669.515700] ? __lock_is_held+0xb5/0x140 [ 669.519770] super_cache_count+0x1b9/0x2e0 [ 669.524010] do_shrink_slab+0x1b1/0xd30 [ 669.528018] ? snapshot_refaults+0x290/0x290 [ 669.532435] ? lock_release+0xa00/0xa00 [ 669.536417] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 669.541358] ? down_read_trylock+0xda/0x140 [ 669.545681] ? shrink_slab+0x207/0x8c0 [ 669.549572] ? downgrade_write+0x270/0x270 [ 669.553820] shrink_slab+0x389/0x8c0 [ 669.557541] ? shrink_active_list+0x1f00/0x1f00 [ 669.562220] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 669.567867] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 669.572980] ? cgroup_procs_write_finish+0xf0/0xf0 [ 669.577920] ? find_held_lock+0x36/0x1c0 [ 669.581992] shrink_node+0x431/0x16b0 [ 669.585797] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 669.591101] ? shrink_node_memcg+0x18f0/0x18f0 [ 669.595692] ? kvm_clock_read+0x18/0x30 [ 669.599669] ? ktime_get+0x2c1/0x400 [ 669.603392] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 669.607891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 669.613428] ? __cpuset_node_allowed+0x19b/0x660 [ 669.618188] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 669.623902] ? delayacct_end+0x5a/0x100 [ 669.627886] do_try_to_free_pages+0x3e7/0x1290 [ 669.632470] ? zap_class+0x640/0x640 [ 669.636200] ? shrink_node+0x16b0/0x16b0 [ 669.640284] ? __lock_is_held+0xb5/0x140 [ 669.644371] try_to_free_pages+0x4d0/0xb90 [ 669.648634] ? do_try_to_free_pages+0x1290/0x1290 [ 669.653532] ? lock_acquire+0x1ed/0x520 [ 669.657516] ? set_page_refcounted+0x280/0x280 [ 669.662158] ? lock_release+0xa00/0xa00 [ 669.666131] ? _raw_spin_unlock_irq+0x60/0x80 [ 669.670630] ? psi_memstall_enter+0x240/0x2b0 [ 669.675141] ? psi_memstall_tick+0x230/0x230 [ 669.679567] __alloc_pages_slowpath+0xa48/0x2de0 [ 669.684356] ? warn_alloc+0x120/0x120 [ 669.688157] ? mark_held_locks+0x130/0x130 [ 669.692407] ? find_get_entry+0xaae/0x1120 [ 669.696672] ? filemap_map_pages+0x1a20/0x1a20 [ 669.701267] ? zap_class+0x640/0x640 [ 669.704993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.710535] ? check_preemption_disabled+0x48/0x280 [ 669.715579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.721117] ? should_fail+0x22d/0xd01 [ 669.725012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.730114] ? zap_class+0x640/0x640 [ 669.733850] ? __lock_is_held+0xb5/0x140 [ 669.737919] ? mark_held_locks+0x130/0x130 [ 669.742190] ? lock_release+0xa00/0xa00 [ 669.746189] ? perf_trace_sched_process_exec+0x860/0x860 [ 669.751636] ? xa_load+0x2ba/0x460 [ 669.755177] ? lock_downgrade+0x900/0x900 [ 669.759327] ? __might_sleep+0x95/0x190 [ 669.763314] __alloc_pages_nodemask+0xad8/0xea0 [ 669.767987] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 669.773002] ? __page_cache_alloc+0x191/0x5c0 [ 669.777488] ? xa_load+0x2e1/0x460 [ 669.781021] ? xa_clear_mark+0x40/0x40 [ 669.784915] ? zap_class+0x640/0x640 [ 669.788630] ? zap_class+0x640/0x640 [ 669.792342] ? zap_class+0x640/0x640 [ 669.796050] ? __do_page_cache_readahead+0x663/0x810 [ 669.801156] ? find_held_lock+0x36/0x1c0 [ 669.805221] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.810793] alloc_pages_current+0x173/0x350 [ 669.815223] __page_cache_alloc+0x38c/0x5c0 [ 669.819560] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.824488] ? kasan_check_read+0x11/0x20 [ 669.828632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.833905] ? generic_perform_write+0x6a0/0x6a0 [ 669.838659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.844196] ? check_preemption_disabled+0x48/0x280 [ 669.849216] filemap_fault+0x1595/0x25f0 [ 669.853293] ? __lock_page_or_retry+0xa00/0xa00 [ 669.857964] ? mark_held_locks+0x130/0x130 [ 669.862236] ? filemap_map_pages+0xd6b/0x1a20 [ 669.866785] ? lock_downgrade+0x900/0x900 [ 669.870926] ? check_preemption_disabled+0x48/0x280 [ 669.875965] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.880885] ? kasan_check_read+0x11/0x20 [ 669.885025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.890300] ? rcu_softirq_qs+0x20/0x20 [ 669.894293] ? filemap_map_pages+0xd92/0x1a20 [ 669.898819] ? find_get_entries_tag+0x1400/0x1400 [ 669.903666] ? debug_object_destroy+0x2b0/0x2b0 [ 669.908348] ? lock_pi_update_atomic+0x150/0x150 [ 669.913099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.918655] ? lock_acquire+0x1ed/0x520 [ 669.922626] ? ext4_filemap_fault+0x7a/0xad [ 669.926954] ? lock_release+0xa00/0xa00 [ 669.930929] ? perf_trace_sched_process_exec+0x860/0x860 [ 669.936383] ? print_usage_bug+0xc0/0xc0 [ 669.940503] ? print_usage_bug+0xc0/0xc0 [ 669.944607] ? down_read+0x8d/0x120 [ 669.948245] ? ext4_filemap_fault+0x7a/0xad [ 669.952566] ? __down_interruptible+0x700/0x700 [ 669.957240] ext4_filemap_fault+0x82/0xad [ 669.961409] __do_fault+0x100/0x6b0 [ 669.965292] ? release_sock+0x1ec/0x2c0 [ 669.969269] ? pmd_devmap_trans_unstable+0x220/0x220 [ 669.974379] ? mark_held_locks+0x130/0x130 [ 669.978607] ? mark_held_locks+0x130/0x130 [ 669.982835] ? lock_sock_nested+0x9a/0x120 [ 669.987062] ? __release_sock+0x3a0/0x3a0 [ 669.991210] ? __local_bh_enable_ip+0x160/0x260 [ 669.995896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.001441] __handle_mm_fault+0x3ea0/0x5be0 [ 670.005866] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 670.010711] ? apparmor_socket_sendmsg+0x29/0x30 [ 670.015465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.021040] ? security_socket_sendmsg+0x94/0xc0 [ 670.025824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.031386] ? zap_class+0x640/0x640 [ 670.035100] ? zap_class+0x640/0x640 [ 670.038811] ? __x64_sys_futex+0x53e/0x6a0 [ 670.043059] ? find_held_lock+0x36/0x1c0 [ 670.047126] ? handle_mm_fault+0x42a/0xc70 [ 670.051364] ? lock_downgrade+0x900/0x900 [ 670.055523] ? check_preemption_disabled+0x48/0x280 [ 670.060560] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 670.065493] ? kasan_check_read+0x11/0x20 [ 670.069639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 670.074927] ? rcu_softirq_qs+0x20/0x20 [ 670.078903] ? trace_hardirqs_off_caller+0x310/0x310 [ 670.084023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.089582] ? check_preemption_disabled+0x48/0x280 [ 670.094771] handle_mm_fault+0x54f/0xc70 [ 670.098835] ? __handle_mm_fault+0x5be0/0x5be0 [ 670.103423] ? find_vma+0x34/0x190 [ 670.106971] __do_page_fault+0x5e8/0xe60 [ 670.111033] ? trace_hardirqs_off+0xb8/0x310 [ 670.115441] ? __ia32_sys_read+0xb0/0xb0 [ 670.119508] do_page_fault+0xf2/0x7e0 [ 670.123402] ? vmalloc_sync_all+0x30/0x30 [ 670.127559] ? error_entry+0x70/0xd0 [ 670.131282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.136304] ? trace_hardirqs_on_caller+0xc0/0x310 [ 670.141249] ? syscall_return_slowpath+0x5e0/0x5e0 [ 670.146225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.151068] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.156085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 670.161561] ? prepare_exit_to_usermode+0x291/0x3b0 [ 670.166577] ? page_fault+0x8/0x30 [ 670.170133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.174971] ? page_fault+0x8/0x30 [ 670.178508] page_fault+0x1e/0x30 [ 670.181960] RIP: 0033:0x45ddf3 [ 670.185165] Code: Bad RIP value. [ 670.188532] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 670.193916] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 670.201192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 670.208472] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 670.215737] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 670.223002] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 670.230311] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 670.230316] warn_alloc_show_mem: 1 callbacks suppressed [ 670.230324] Mem-Info: [ 670.237594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.242972] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 670.242972] active_file:13 inactive_file:14 isolated_file:0 [ 670.242972] unevictable:0 dirty:0 writeback:0 unstable:0 [ 670.242972] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 670.242972] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 670.242972] free:13773 free_pcp:174 free_cma:0 [ 670.245343] Call Trace: [ 670.254748] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 670.287678] <IRQ> [ 670.290250] 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 [ 670.317746] dump_stack+0x244/0x39d [ 670.319873] lowmem_reserve[]: 0 2818 6321 6321 [ 670.346020] ? dump_stack_print_info.cold.1+0x20/0x20 [ 670.349633] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 670.354214] warn_alloc.cold.116+0xb7/0x1bd [ 670.359387] lowmem_reserve[]: 0 0 3503 3503 [ 670.386895] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 670.391193] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 670.395506] ? lock_downgrade+0x900/0x900 [ 670.400320] lowmem_reserve[]: 0 0 0 0 [ 670.429221] ? trace_hardirqs_off+0xb8/0x310 [ 670.433340] 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 [ 670.437134] ? trace_hardirqs_off+0xb8/0x310 [ 670.441518] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 670.455087] __alloc_pages_slowpath+0x2651/0x2de0 [ 670.459463] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 670.475450] ? warn_alloc+0x120/0x120 [ 670.480269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 670.493873] ? print_usage_bug+0xc0/0xc0 [ 670.497651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 670.506473] ? warn_alloc+0x120/0x120 [ 670.510511] 271 total pagecache pages [ 670.519099] ? warn_alloc+0x120/0x120 [ 670.522879] 0 pages in swap cache [ 670.526677] ? print_usage_bug+0xc0/0xc0 [ 670.530464] Swap cache stats: add 0, delete 0, find 0/0 [ 670.533912] ? kvm_clock_read+0x18/0x30 [ 670.537951] Free swap = 0kB [ 670.543327] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 670.547284] Total swap = 0kB [ 670.550300] ? print_usage_bug+0xc0/0xc0 [ 670.555301] 1965979 pages RAM [ 670.558316] ? __lock_acquire+0x62f/0x4c20 [ 670.562364] 0 pages HighMem/MovableOnly [ 670.565483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.569696] 342854 pages reserved [ 670.573665] ? should_fail+0x22d/0xd01 [ 670.579189] 0 pages cma reserved [ 670.582646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 670.586590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 670.589864] ? __lock_acquire+0x62f/0x4c20 [ 670.595066] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 670.601465] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 670.605677] syz-fuzzer cpuset=/ mems_allowed=0 [ 670.615900] ? __lock_acquire+0x62f/0x4c20 [ 670.629765] ? should_fail+0x22d/0xd01 [ 670.633667] ? mark_held_locks+0x130/0x130 [ 670.637916] ? mark_held_locks+0x130/0x130 [ 670.642160] ? zap_class+0x640/0x640 [ 670.645874] ? print_usage_bug+0xc0/0xc0 [ 670.649968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.655507] ? check_preemption_disabled+0x48/0x280 [ 670.660537] ? __lock_is_held+0xb5/0x140 [ 670.664607] __alloc_pages_nodemask+0xad8/0xea0 [ 670.669285] ? zap_class+0x640/0x640 [ 670.673011] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 670.678064] ? find_held_lock+0x36/0x1c0 [ 670.682151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 670.686836] ? lock_downgrade+0x900/0x900 [ 670.690993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.696536] cache_grow_begin+0xa5/0x8c0 [ 670.700604] ? do_raw_spin_unlock+0xa7/0x330 [ 670.705019] fallback_alloc+0x204/0x2e0 [ 670.709005] ____cache_alloc_node+0x1c7/0x1e0 [ 670.713519] kmem_cache_alloc_node+0xe3/0x730 [ 670.718020] ? ipv6_get_ifaddr+0x42e/0x620 [ 670.722269] __alloc_skb+0x119/0x770 [ 670.726032] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 670.731319] ? netdev_alloc_frag+0x1f0/0x1f0 [ 670.735735] ? lock_downgrade+0x900/0x900 [ 670.739890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.745426] ? refcount_sub_and_test_checked+0x203/0x310 [ 670.750878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 670.756325] ? addrconf_rs_timer+0x690/0x690 [ 670.760746] ndisc_alloc_skb+0x144/0x340 [ 670.764810] ndisc_send_rs+0x331/0x6e0 [ 670.768715] addrconf_rs_timer+0x314/0x690 [ 670.772952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.777192] call_timer_fn+0x272/0x920 [ 670.781105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.785335] ? process_timeout+0x40/0x40 [ 670.789400] ? __run_timers+0x7da/0xc70 [ 670.793371] ? _raw_spin_unlock_irq+0x27/0x80 [ 670.797864] ? _raw_spin_unlock_irq+0x27/0x80 [ 670.802353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.806597] ? lockdep_hardirqs_on+0x296/0x5b0 [ 670.811192] ? trace_hardirqs_on+0xbd/0x310 [ 670.815517] ? kasan_check_read+0x11/0x20 [ 670.819663] ? __run_timers+0x7da/0xc70 [ 670.823638] ? trace_hardirqs_off_caller+0x310/0x310 [ 670.828778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.833010] __run_timers+0x7e5/0xc70 [ 670.836819] ? timer_fixup_init+0x70/0x70 [ 670.840966] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 670.845980] ? zap_class+0x640/0x640 [ 670.849697] ? enqueue_hrtimer+0x1a5/0x560 [ 670.853933] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 670.859129] ? find_held_lock+0x36/0x1c0 [ 670.863198] ? zap_class+0x640/0x640 [ 670.866915] ? pvclock_read_flags+0x160/0x160 [ 670.871410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.876955] ? check_preemption_disabled+0x48/0x280 [ 670.881998] ? __lock_is_held+0xb5/0x140 [ 670.886084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.891625] ? check_preemption_disabled+0x48/0x280 [ 670.896663] run_timer_softirq+0x52/0xb0 [ 670.900723] ? rcu_read_lock_sched_held+0x14f/0x180 [ 670.905741] __do_softirq+0x308/0xb7e [ 670.909543] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 670.914034] ? lock_downgrade+0x900/0x900 [ 670.918188] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 670.923325] ? pvclock_read_flags+0x160/0x160 [ 670.927824] ? lapic_next_event+0x5a/0x90 [ 670.931969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.937536] ? kvm_clock_read+0x18/0x30 [ 670.941536] ? kvm_sched_clock_read+0x9/0x20 [ 670.945947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.951485] ? check_preemption_disabled+0x48/0x280 [ 670.956507] irq_exit+0x17f/0x1c0 [ 670.959956] smp_apic_timer_interrupt+0x1cb/0x760 [ 670.964809] ? smp_reschedule_interrupt+0x109/0x650 [ 670.969854] ? smp_call_function_single_interrupt+0x650/0x650 [ 670.975737] ? interrupt_entry+0xb5/0xc0 [ 670.979819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.984849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.989879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.994722] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.999736] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.004792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.009647] apic_timer_interrupt+0xf/0x20 [ 671.013875] </IRQ> [ 671.016116] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 671.022003] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 671.040906] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 671.048617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 671.055885] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 671.063151] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 671.070420] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 671.077686] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 671.084985] ? save_stack+0xa9/0xd0 [ 671.088623] __kmalloc_node_track_caller+0x3c/0x70 [ 671.093567] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 671.098862] pskb_expand_head+0x230/0x10f0 [ 671.103102] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 671.108558] ? memcpy+0x45/0x50 [ 671.111878] ? __copy_skb_header+0x350/0x6b0 [ 671.116286] ? skb_release_data+0x880/0x880 [ 671.120625] ? __alloc_skb+0x770/0x770 [ 671.124552] ? __lock_is_held+0xb5/0x140 [ 671.128648] ? kasan_check_write+0x14/0x20 [ 671.132877] ? __skb_clone+0x6c7/0xa00 [ 671.136766] ? __copy_skb_header+0x6b0/0x6b0 [ 671.141171] ? kmem_cache_alloc+0x33a/0x730 [ 671.145494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.151035] skb_ensure_writable+0x3dd/0x640 [ 671.155464] ? skb_checksum_setup+0xaa0/0xaa0 [ 671.160006] ? preempt_notifier_register+0x200/0x200 [ 671.165110] ? __switch_to_asm+0x34/0x70 [ 671.169184] ? __switch_to_asm+0x34/0x70 [ 671.173238] ? __switch_to_asm+0x40/0x70 [ 671.177297] ? __switch_to_asm+0x34/0x70 [ 671.181355] ? __switch_to_asm+0x40/0x70 [ 671.185415] ? __switch_to_asm+0x40/0x70 [ 671.189475] ? __switch_to_asm+0x34/0x70 [ 671.193534] ? __switch_to_asm+0x34/0x70 [ 671.197589] ? __switch_to_asm+0x40/0x70 [ 671.201660] ? __switch_to_asm+0x34/0x70 [ 671.205728] bpf_clone_redirect+0x14a/0x490 [ 671.210064] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 671.215083] ? __sched_text_start+0x8/0x8 [ 671.219248] ? retint_kernel+0x2d/0x2d [ 671.223152] ? find_held_lock+0x36/0x1c0 [ 671.227221] ? lock_acquire+0x1ed/0x520 [ 671.231201] ? bpf_test_run+0x3cb/0x780 [ 671.235198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.240738] ? check_preemption_disabled+0x48/0x280 [ 671.245764] ? kasan_check_read+0x11/0x20 [ 671.249913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 671.255189] ? rcu_softirq_qs+0x20/0x20 [ 671.259162] ? preempt_schedule+0x4d/0x60 [ 671.263312] ? ___preempt_schedule+0x16/0x18 [ 671.267799] ? bpf_test_run+0x25d/0x780 [ 671.271797] ? netlink_diag_dump+0x2a0/0x2a0 [ 671.276211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.281749] ? bpf_test_init.isra.10+0x70/0x100 [ 671.286422] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 671.291200] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.296044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 671.301595] ? fput+0x130/0x1a0 [ 671.304875] ? __bpf_prog_get+0x9b/0x290 [ 671.308938] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.313781] ? bpf_prog_test_run+0x130/0x1a0 [ 671.318207] ? __x64_sys_bpf+0x3d8/0x520 [ 671.322285] ? bpf_prog_get+0x20/0x20 [ 671.326124] ? do_syscall_64+0x1b9/0x820 [ 671.330182] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 671.335552] ? syscall_return_slowpath+0x5e0/0x5e0 [ 671.340488] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.345521] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 671.350539] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 671.357206] ? __switch_to_asm+0x40/0x70 [ 671.361274] ? __switch_to_asm+0x34/0x70 [ 671.365344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.370233] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 671.375613] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 671.375681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 671.382623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 671.382632] Call Trace: [ 671.389227] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 671.398471] <IRQ> [ 671.401043] syz-executor3 cpuset=syz3 mems_allowed=0 [ 671.411521] dump_stack+0x244/0x39d [ 671.422406] ? dump_stack_print_info.cold.1+0x20/0x20 [ 671.427610] warn_alloc.cold.116+0xb7/0x1bd [ 671.431930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 671.436776] ? lock_downgrade+0x900/0x900 [ 671.440932] ? trace_hardirqs_off+0xb8/0x310 [ 671.445349] ? trace_hardirqs_off+0xb8/0x310 [ 671.449769] __alloc_pages_slowpath+0x2651/0x2de0 [ 671.454656] ? warn_alloc+0x120/0x120 [ 671.458457] ? print_usage_bug+0xc0/0xc0 [ 671.462523] ? warn_alloc+0x120/0x120 [ 671.466350] ? warn_alloc+0x120/0x120 [ 671.470155] ? print_usage_bug+0xc0/0xc0 [ 671.474215] ? kvm_clock_read+0x18/0x30 [ 671.478186] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 671.483203] ? print_usage_bug+0xc0/0xc0 [ 671.487269] ? __lock_acquire+0x62f/0x4c20 [ 671.491517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.497059] ? should_fail+0x22d/0xd01 [ 671.500946] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 671.506230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.511333] ? __lock_acquire+0x62f/0x4c20 [ 671.515577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.520686] ? __lock_acquire+0x62f/0x4c20 [ 671.524950] ? should_fail+0x22d/0xd01 [ 671.528864] ? rcu_irq_exit+0x1a2/0x390 [ 671.532866] ? mark_held_locks+0x130/0x130 [ 671.537112] ? mark_held_locks+0x130/0x130 [ 671.541352] ? mark_held_locks+0xc7/0x130 [ 671.545496] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 671.550514] ? zap_class+0x640/0x640 [ 671.554230] ? print_usage_bug+0xc0/0xc0 [ 671.558302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.563841] ? check_preemption_disabled+0x48/0x280 [ 671.568867] ? __lock_is_held+0xb5/0x140 [ 671.572937] __alloc_pages_nodemask+0xad8/0xea0 [ 671.577612] ? zap_class+0x640/0x640 [ 671.581334] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 671.586363] ? find_held_lock+0x36/0x1c0 [ 671.590437] ? ____cache_alloc_node+0x1c7/0x1e0 [ 671.595109] ? lock_downgrade+0x900/0x900 [ 671.599294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.604841] cache_grow_begin+0xa5/0x8c0 [ 671.608902] ? do_raw_spin_unlock+0xa7/0x330 [ 671.613319] fallback_alloc+0x204/0x2e0 [ 671.617304] ____cache_alloc_node+0x1c7/0x1e0 [ 671.621806] kmem_cache_alloc_node+0xe3/0x730 [ 671.626312] ? ipv6_get_ifaddr+0x42e/0x620 [ 671.630564] __alloc_skb+0x119/0x770 [ 671.634287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 671.639574] ? netdev_alloc_frag+0x1f0/0x1f0 [ 671.643984] ? lock_downgrade+0x900/0x900 [ 671.648186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.653751] ? refcount_sub_and_test_checked+0x203/0x310 [ 671.659205] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 671.664653] ? addrconf_rs_timer+0x690/0x690 [ 671.669073] ndisc_alloc_skb+0x144/0x340 [ 671.673167] ndisc_send_rs+0x331/0x6e0 [ 671.677083] addrconf_rs_timer+0x314/0x690 [ 671.681322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 671.685586] call_timer_fn+0x272/0x920 [ 671.689473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 671.693708] ? process_timeout+0x40/0x40 [ 671.697784] ? mark_held_locks+0xc7/0x130 [ 671.701938] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.706435] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.710928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 671.715162] ? lockdep_hardirqs_on+0x296/0x5b0 [ 671.719747] ? trace_hardirqs_on+0xbd/0x310 [ 671.724068] ? kasan_check_read+0x11/0x20 [ 671.728217] ? __run_timers+0x7da/0xc70 [ 671.732196] ? trace_hardirqs_off_caller+0x310/0x310 [ 671.737330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 671.741577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 671.745809] __run_timers+0x7e5/0xc70 [ 671.749633] ? timer_fixup_init+0x70/0x70 [ 671.753783] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 671.758800] ? zap_class+0x640/0x640 [ 671.762517] ? print_usage_bug+0xc0/0xc0 [ 671.766584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 671.771778] ? find_held_lock+0x36/0x1c0 [ 671.775846] ? zap_class+0x640/0x640 [ 671.779570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.785111] ? check_preemption_disabled+0x48/0x280 [ 671.790137] ? __lock_is_held+0xb5/0x140 [ 671.794202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.799740] ? check_preemption_disabled+0x48/0x280 [ 671.804764] run_timer_softirq+0x52/0xb0 [ 671.808828] ? rcu_read_lock_sched_held+0x14f/0x180 [ 671.813849] __do_softirq+0x308/0xb7e [ 671.817679] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 671.822169] ? lock_downgrade+0x900/0x900 [ 671.826325] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 671.831438] ? pvclock_read_flags+0x160/0x160 [ 671.835939] ? lapic_next_event+0x5a/0x90 [ 671.840090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.845634] ? kvm_clock_read+0x18/0x30 [ 671.849671] ? kvm_sched_clock_read+0x9/0x20 [ 671.854081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.859624] ? check_preemption_disabled+0x48/0x280 [ 671.864650] irq_exit+0x17f/0x1c0 [ 671.868106] smp_apic_timer_interrupt+0x1cb/0x760 [ 671.872951] ? smp_call_function_single_interrupt+0x159/0x650 [ 671.878850] ? smp_call_function_single_interrupt+0x650/0x650 [ 671.884731] ? interrupt_entry+0xb5/0xc0 [ 671.888809] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.893824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.898844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.903691] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.908708] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.913730] ? task_prio+0x50/0x50 [ 671.917283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.922824] ? check_preemption_disabled+0x48/0x280 [ 671.927849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.932700] apic_timer_interrupt+0xf/0x20 [ 671.936935] </IRQ> [ 671.939172] RIP: 0010:rcu_is_watching+0x0/0x30 [ 671.943754] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 671.962892] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 671.970634] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 671.977901] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 671.985170] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 671.992437] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 671.999703] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 672.006998] ? list_lru_count_one+0x253/0x450 [ 672.011492] ? list_lru_count_one+0x35d/0x450 [ 672.015993] ? list_lru_count_one+0x362/0x450 [ 672.020492] ? list_lru_isolate_move+0x3c0/0x3c0 [ 672.025247] ? shmem_free_inode+0xd0/0xd0 [ 672.029406] ? __lock_is_held+0xb5/0x140 [ 672.033476] super_cache_count+0x1b9/0x2e0 [ 672.037719] do_shrink_slab+0x1b1/0xd30 [ 672.041705] ? snapshot_refaults+0x290/0x290 [ 672.046118] ? lock_release+0xa00/0xa00 [ 672.050102] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 672.055041] ? down_read_trylock+0xda/0x140 [ 672.059361] ? shrink_slab+0x207/0x8c0 [ 672.063249] ? downgrade_write+0x270/0x270 [ 672.067502] shrink_slab+0x389/0x8c0 [ 672.071217] ? shrink_active_list+0x1f00/0x1f00 [ 672.075910] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 672.081544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 672.086669] ? cgroup_procs_write_finish+0xf0/0xf0 [ 672.091613] ? find_held_lock+0x36/0x1c0 [ 672.095823] shrink_node+0x431/0x16b0 [ 672.100059] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 672.105378] ? shrink_node_memcg+0x18f0/0x18f0 [ 672.109966] ? kvm_clock_read+0x18/0x30 [ 672.113941] ? ktime_get+0x2c1/0x400 [ 672.117663] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 672.122167] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 672.127703] ? __cpuset_node_allowed+0x19b/0x660 [ 672.132475] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 672.138187] ? delayacct_end+0x5a/0x100 [ 672.142186] do_try_to_free_pages+0x3e7/0x1290 [ 672.146767] ? zap_class+0x640/0x640 [ 672.150500] ? shrink_node+0x16b0/0x16b0 [ 672.154568] ? __lock_is_held+0xb5/0x140 [ 672.158639] try_to_free_pages+0x4d0/0xb90 [ 672.162877] ? do_try_to_free_pages+0x1290/0x1290 [ 672.167759] ? lock_acquire+0x1ed/0x520 [ 672.171733] ? set_page_refcounted+0x280/0x280 [ 672.176328] ? lock_release+0xa00/0xa00 [ 672.180317] ? _raw_spin_unlock_irq+0x60/0x80 [ 672.184827] ? psi_memstall_enter+0x240/0x2b0 [ 672.189321] ? psi_memstall_tick+0x230/0x230 [ 672.193759] __alloc_pages_slowpath+0xa48/0x2de0 [ 672.198552] ? warn_alloc+0x120/0x120 [ 672.202374] ? mark_held_locks+0x130/0x130 [ 672.206614] ? find_get_entry+0xaae/0x1120 [ 672.210862] ? filemap_map_pages+0x1a20/0x1a20 [ 672.215451] ? zap_class+0x640/0x640 [ 672.219187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.224726] ? check_preemption_disabled+0x48/0x280 [ 672.229774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.235320] ? should_fail+0x22d/0xd01 [ 672.239212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.244332] ? zap_class+0x640/0x640 [ 672.248103] ? __lock_is_held+0xb5/0x140 [ 672.252171] ? mark_held_locks+0x130/0x130 [ 672.256410] ? lock_release+0xa00/0xa00 [ 672.260400] ? perf_trace_sched_process_exec+0x860/0x860 [ 672.265849] ? xa_load+0x2ba/0x460 [ 672.269404] ? lock_downgrade+0x900/0x900 [ 672.273565] ? __might_sleep+0x95/0x190 [ 672.277551] __alloc_pages_nodemask+0xad8/0xea0 [ 672.282229] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 672.287250] ? __page_cache_alloc+0x191/0x5c0 [ 672.291746] ? xa_load+0x2e1/0x460 [ 672.295294] ? xa_clear_mark+0x40/0x40 [ 672.299187] ? zap_class+0x640/0x640 [ 672.302911] ? zap_class+0x640/0x640 [ 672.306645] ? zap_class+0x640/0x640 [ 672.310358] ? __do_page_cache_readahead+0x663/0x810 [ 672.315464] ? find_held_lock+0x36/0x1c0 [ 672.319531] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 672.325081] alloc_pages_current+0x173/0x350 [ 672.329497] __page_cache_alloc+0x38c/0x5c0 [ 672.333821] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.338748] ? kasan_check_read+0x11/0x20 [ 672.342895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.348172] ? generic_perform_write+0x6a0/0x6a0 [ 672.352931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.358469] ? check_preemption_disabled+0x48/0x280 [ 672.363494] filemap_fault+0x1595/0x25f0 [ 672.367574] ? __lock_page_or_retry+0xa00/0xa00 [ 672.372261] ? mark_held_locks+0x130/0x130 [ 672.376516] ? filemap_map_pages+0xd6b/0x1a20 [ 672.381017] ? lock_downgrade+0x900/0x900 [ 672.385163] ? check_preemption_disabled+0x48/0x280 [ 672.390179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.395122] ? kasan_check_read+0x11/0x20 [ 672.399267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.404552] ? rcu_softirq_qs+0x20/0x20 [ 672.408536] ? filemap_map_pages+0xd92/0x1a20 [ 672.413049] ? find_get_entries_tag+0x1400/0x1400 [ 672.417916] ? debug_object_destroy+0x2b0/0x2b0 [ 672.422604] ? lock_pi_update_atomic+0x150/0x150 [ 672.427373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.432938] ? lock_acquire+0x1ed/0x520 [ 672.436913] ? ext4_filemap_fault+0x7a/0xad [ 672.441243] ? lock_release+0xa00/0xa00 [ 672.445224] ? perf_trace_sched_process_exec+0x860/0x860 [ 672.450677] ? print_usage_bug+0xc0/0xc0 [ 672.454739] ? print_usage_bug+0xc0/0xc0 [ 672.458815] ? down_read+0x8d/0x120 [ 672.462452] ? ext4_filemap_fault+0x7a/0xad [ 672.466777] ? __down_interruptible+0x700/0x700 [ 672.471459] ext4_filemap_fault+0x82/0xad [ 672.475608] __do_fault+0x100/0x6b0 [ 672.479233] ? release_sock+0x1ec/0x2c0 [ 672.483227] ? pmd_devmap_trans_unstable+0x220/0x220 [ 672.488335] ? mark_held_locks+0x130/0x130 [ 672.492570] ? mark_held_locks+0x130/0x130 [ 672.496824] ? lock_sock_nested+0x9a/0x120 [ 672.501104] ? __release_sock+0x3a0/0x3a0 [ 672.505252] ? __local_bh_enable_ip+0x160/0x260 [ 672.509933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.515476] __handle_mm_fault+0x3ea0/0x5be0 [ 672.519897] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 672.524758] ? apparmor_socket_sendmsg+0x29/0x30 [ 672.529518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.535090] ? security_socket_sendmsg+0x94/0xc0 [ 672.539849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.545418] ? zap_class+0x640/0x640 [ 672.549133] ? zap_class+0x640/0x640 [ 672.552847] ? __x64_sys_futex+0x53e/0x6a0 [ 672.557087] ? find_held_lock+0x36/0x1c0 [ 672.561177] ? handle_mm_fault+0x42a/0xc70 [ 672.565415] ? lock_downgrade+0x900/0x900 [ 672.569569] ? check_preemption_disabled+0x48/0x280 [ 672.574590] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.579536] ? kasan_check_read+0x11/0x20 [ 672.583688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.588965] ? rcu_softirq_qs+0x20/0x20 [ 672.592940] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.598060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.603617] ? check_preemption_disabled+0x48/0x280 [ 672.608646] handle_mm_fault+0x54f/0xc70 [ 672.612714] ? __handle_mm_fault+0x5be0/0x5be0 [ 672.617307] ? find_vma+0x34/0x190 [ 672.620855] __do_page_fault+0x5e8/0xe60 [ 672.624916] ? trace_hardirqs_off+0xb8/0x310 [ 672.629358] ? __ia32_sys_read+0xb0/0xb0 [ 672.633450] do_page_fault+0xf2/0x7e0 [ 672.637255] ? vmalloc_sync_all+0x30/0x30 [ 672.641412] ? error_entry+0x70/0xd0 [ 672.645132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 672.650146] ? trace_hardirqs_on_caller+0xc0/0x310 [ 672.655075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 672.660005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.664850] ? trace_hardirqs_on_caller+0x310/0x310 [ 672.669876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 672.675331] ? prepare_exit_to_usermode+0x291/0x3b0 [ 672.680395] ? page_fault+0x8/0x30 [ 672.683939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.688829] ? page_fault+0x8/0x30 [ 672.692372] page_fault+0x1e/0x30 [ 672.695822] RIP: 0033:0x45ddf3 [ 672.699025] Code: Bad RIP value. [ 672.702385] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 672.707746] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 672.715011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 672.722285] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 672.729556] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 672.736825] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 672.744113] warn_alloc_show_mem: 1 callbacks suppressed [ 672.744124] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 672.744126] Mem-Info: [ 672.744173] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 672.744173] active_file:13 inactive_file:14 isolated_file:0 [ 672.744173] unevictable:0 dirty:0 writeback:0 unstable:0 [ 672.744173] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 672.744173] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 672.744173] free:13773 free_pcp:174 free_cma:0 [ 672.749516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.756797] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 672.759212] Call Trace: [ 672.792165] 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 [ 672.801524] <IRQ> [ 672.829007] lowmem_reserve[]: 0 2818 6321 6321 [ 672.831611] dump_stack+0x244/0x39d [ 672.857703] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 672.859866] ? dump_stack_print_info.cold.1+0x20/0x20 [ 672.864424] lowmem_reserve[]: 0 0 3503 3503 [ 672.868064] warn_alloc.cold.116+0xb7/0x1bd [ 672.895530] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 672.900715] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 672.905006] lowmem_reserve[]: 0 0 0 0 [ 672.909323] ? lock_downgrade+0x900/0x900 [ 672.938219] 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 [ 672.943193] ? trace_hardirqs_off+0xb8/0x310 [ 672.946964] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 672.951105] ? trace_hardirqs_off+0xb8/0x310 [ 672.964606] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 672.969013] __alloc_pages_slowpath+0x2651/0x2de0 [ 672.984941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 672.989360] ? warn_alloc+0x120/0x120 [ 673.002931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 673.007763] ? print_usage_bug+0xc0/0xc0 [ 673.016572] 271 total pagecache pages [ 673.020364] ? warn_alloc+0x120/0x120 [ 673.028924] 0 pages in swap cache [ 673.032986] ? warn_alloc+0x120/0x120 [ 673.036768] Swap cache stats: add 0, delete 0, find 0/0 [ 673.040578] ? print_usage_bug+0xc0/0xc0 [ 673.044005] Free swap = 0kB [ 673.047798] ? kvm_clock_read+0x18/0x30 [ 673.053136] Total swap = 0kB [ 673.057191] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 673.060183] 1965979 pages RAM [ 673.064150] ? print_usage_bug+0xc0/0xc0 [ 673.067143] 0 pages HighMem/MovableOnly [ 673.072149] ? __lock_acquire+0x62f/0x4c20 [ 673.075228] 342854 pages reserved [ 673.079286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.083232] 0 pages cma reserved [ 673.087459] ? should_fail+0x22d/0xd01 [ 673.090942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 673.096415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 673.096434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.096451] ? __lock_acquire+0x62f/0x4c20 [ 673.099872] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 673.103677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.103692] ? __lock_acquire+0x62f/0x4c20 [ 673.110337] syz-fuzzer cpuset=/ mems_allowed=0 [ 673.115602] ? should_fail+0x22d/0xd01 [ 673.115618] ? rcu_irq_exit+0x1a2/0x390 [ 673.156959] ? mark_held_locks+0x130/0x130 [ 673.161199] ? mark_held_locks+0x130/0x130 [ 673.165457] ? mark_held_locks+0xc7/0x130 [ 673.169609] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 673.174629] ? zap_class+0x640/0x640 [ 673.178345] ? print_usage_bug+0xc0/0xc0 [ 673.182419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.187960] ? check_preemption_disabled+0x48/0x280 [ 673.193005] ? __lock_is_held+0xb5/0x140 [ 673.197076] __alloc_pages_nodemask+0xad8/0xea0 [ 673.201746] ? zap_class+0x640/0x640 [ 673.205469] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 673.210515] ? find_held_lock+0x36/0x1c0 [ 673.214585] ? ____cache_alloc_node+0x1c7/0x1e0 [ 673.219254] ? lock_downgrade+0x900/0x900 [ 673.223416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.228960] cache_grow_begin+0xa5/0x8c0 [ 673.233026] ? do_raw_spin_unlock+0xa7/0x330 [ 673.237446] fallback_alloc+0x204/0x2e0 [ 673.241450] ____cache_alloc_node+0x1c7/0x1e0 [ 673.245954] kmem_cache_alloc_node+0xe3/0x730 [ 673.250454] ? ipv6_get_ifaddr+0x42e/0x620 [ 673.254700] __alloc_skb+0x119/0x770 [ 673.258412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 673.263715] ? netdev_alloc_frag+0x1f0/0x1f0 [ 673.268139] ? lock_downgrade+0x900/0x900 [ 673.272300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.277843] ? refcount_sub_and_test_checked+0x203/0x310 [ 673.283306] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 673.288759] ? addrconf_rs_timer+0x690/0x690 [ 673.293177] ndisc_alloc_skb+0x144/0x340 [ 673.297242] ndisc_send_rs+0x331/0x6e0 [ 673.301134] addrconf_rs_timer+0x314/0x690 [ 673.305371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.309634] call_timer_fn+0x272/0x920 [ 673.313517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.317771] ? process_timeout+0x40/0x40 [ 673.321852] ? __run_timers+0x7da/0xc70 [ 673.325826] ? _raw_spin_unlock_irq+0x27/0x80 [ 673.330319] ? _raw_spin_unlock_irq+0x27/0x80 [ 673.334811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.339054] ? lockdep_hardirqs_on+0x296/0x5b0 [ 673.343640] ? trace_hardirqs_on+0xbd/0x310 [ 673.347960] ? kasan_check_read+0x11/0x20 [ 673.352119] ? __run_timers+0x7da/0xc70 [ 673.356093] ? trace_hardirqs_off_caller+0x310/0x310 [ 673.361220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.366673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.370923] __run_timers+0x7e5/0xc70 [ 673.374748] ? timer_fixup_init+0x70/0x70 [ 673.378902] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 673.383923] ? zap_class+0x640/0x640 [ 673.387640] ? enqueue_hrtimer+0x1a5/0x560 [ 673.391892] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 673.397087] ? find_held_lock+0x36/0x1c0 [ 673.401152] ? zap_class+0x640/0x640 [ 673.404868] ? pvclock_read_flags+0x160/0x160 [ 673.409380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.414918] ? check_preemption_disabled+0x48/0x280 [ 673.420121] ? __lock_is_held+0xb5/0x140 [ 673.424186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.429740] ? check_preemption_disabled+0x48/0x280 [ 673.434763] run_timer_softirq+0x52/0xb0 [ 673.438829] ? rcu_read_lock_sched_held+0x14f/0x180 [ 673.443871] __do_softirq+0x308/0xb7e [ 673.447674] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 673.452168] ? lock_downgrade+0x900/0x900 [ 673.456321] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 673.461434] ? pvclock_read_flags+0x160/0x160 [ 673.465935] ? lapic_next_event+0x5a/0x90 [ 673.470099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.475640] ? kvm_clock_read+0x18/0x30 [ 673.479613] ? kvm_sched_clock_read+0x9/0x20 [ 673.484036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.489578] ? check_preemption_disabled+0x48/0x280 [ 673.494606] irq_exit+0x17f/0x1c0 [ 673.498063] smp_apic_timer_interrupt+0x1cb/0x760 [ 673.502920] ? smp_reschedule_interrupt+0x109/0x650 [ 673.507984] ? smp_call_function_single_interrupt+0x650/0x650 [ 673.513917] ? interrupt_entry+0xb5/0xc0 [ 673.517979] ? trace_hardirqs_off_caller+0xbb/0x310 [ 673.522996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 673.528014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.532862] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.537882] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.542910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.547763] apic_timer_interrupt+0xf/0x20 [ 673.552021] </IRQ> [ 673.554289] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 673.560177] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 673.579073] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 673.586777] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 673.594049] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 673.601333] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 673.608629] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 673.615893] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 673.623195] ? save_stack+0xa9/0xd0 [ 673.626835] __kmalloc_node_track_caller+0x3c/0x70 [ 673.631775] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 673.636554] pskb_expand_head+0x230/0x10f0 [ 673.640795] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 673.646252] ? memcpy+0x45/0x50 [ 673.649543] ? __copy_skb_header+0x350/0x6b0 [ 673.653955] ? skb_release_data+0x880/0x880 [ 673.658284] ? __alloc_skb+0x770/0x770 [ 673.662181] ? __lock_is_held+0xb5/0x140 [ 673.666267] ? kasan_check_write+0x14/0x20 [ 673.670510] ? __skb_clone+0x6c7/0xa00 [ 673.674430] ? __copy_skb_header+0x6b0/0x6b0 [ 673.678838] ? kmem_cache_alloc+0x33a/0x730 [ 673.683165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.688713] skb_ensure_writable+0x3dd/0x640 [ 673.693129] ? skb_checksum_setup+0xaa0/0xaa0 [ 673.697630] ? preempt_notifier_register+0x200/0x200 [ 673.702733] ? __switch_to_asm+0x34/0x70 [ 673.706796] ? __switch_to_asm+0x34/0x70 [ 673.710856] ? __switch_to_asm+0x40/0x70 [ 673.714917] ? __switch_to_asm+0x34/0x70 [ 673.718978] ? __switch_to_asm+0x40/0x70 [ 673.723042] ? __switch_to_asm+0x40/0x70 [ 673.727118] ? __switch_to_asm+0x34/0x70 [ 673.731191] ? __switch_to_asm+0x34/0x70 [ 673.735250] ? __switch_to_asm+0x40/0x70 [ 673.739317] ? __switch_to_asm+0x34/0x70 [ 673.743386] bpf_clone_redirect+0x14a/0x490 [ 673.747721] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 673.752741] ? __sched_text_start+0x8/0x8 [ 673.756889] ? retint_kernel+0x2d/0x2d [ 673.760786] ? find_held_lock+0x36/0x1c0 [ 673.764858] ? lock_acquire+0x1ed/0x520 [ 673.768836] ? bpf_test_run+0x3cb/0x780 [ 673.772817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.778373] ? check_preemption_disabled+0x48/0x280 [ 673.783401] ? kasan_check_read+0x11/0x20 [ 673.787577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 673.792888] ? rcu_softirq_qs+0x20/0x20 [ 673.796868] ? preempt_schedule+0x4d/0x60 [ 673.801015] ? ___preempt_schedule+0x16/0x18 [ 673.805434] ? bpf_test_run+0x25d/0x780 [ 673.809421] ? netlink_diag_dump+0x2a0/0x2a0 [ 673.813833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.819375] ? bpf_test_init.isra.10+0x70/0x100 [ 673.824067] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 673.828834] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 673.833709] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 673.839264] ? fput+0x130/0x1a0 [ 673.842590] ? __bpf_prog_get+0x9b/0x290 [ 673.846658] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 673.851505] ? bpf_prog_test_run+0x130/0x1a0 [ 673.855915] ? __x64_sys_bpf+0x3d8/0x520 [ 673.859994] ? bpf_prog_get+0x20/0x20 [ 673.863814] ? do_syscall_64+0x1b9/0x820 [ 673.867874] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 673.873239] ? syscall_return_slowpath+0x5e0/0x5e0 [ 673.878196] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.883214] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 673.888247] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 673.894922] ? __switch_to_asm+0x40/0x70 [ 673.898980] ? __switch_to_asm+0x34/0x70 [ 673.903076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.907929] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 673.913318] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 673.913386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 673.920329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.920338] Call Trace: [ 673.926900] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 673.936161] <IRQ> [ 673.938734] syz-executor3 cpuset=syz3 mems_allowed=0 [ 673.949227] dump_stack+0x244/0x39d [ 673.960087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 673.965479] warn_alloc.cold.116+0xb7/0x1bd [ 673.969833] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 673.974679] ? lock_downgrade+0x900/0x900 [ 673.978843] ? trace_hardirqs_off+0xb8/0x310 [ 673.983256] ? trace_hardirqs_off+0xb8/0x310 [ 673.987681] __alloc_pages_slowpath+0x2651/0x2de0 [ 673.992557] ? warn_alloc+0x120/0x120 [ 673.996382] ? print_usage_bug+0xc0/0xc0 [ 674.000475] ? warn_alloc+0x120/0x120 [ 674.004291] ? warn_alloc+0x120/0x120 [ 674.008095] ? print_usage_bug+0xc0/0xc0 [ 674.012176] ? print_usage_bug+0xc0/0xc0 [ 674.016241] ? __lock_acquire+0x62f/0x4c20 [ 674.020482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.026023] ? should_fail+0x22d/0xd01 [ 674.029916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.035035] ? __lock_acquire+0x62f/0x4c20 [ 674.039285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.044387] ? __lock_acquire+0x62f/0x4c20 [ 674.048619] ? should_fail+0x22d/0xd01 [ 674.052531] ? mark_held_locks+0x130/0x130 [ 674.056780] ? mark_held_locks+0x130/0x130 [ 674.061017] ? zap_class+0x640/0x640 [ 674.064737] ? __lock_acquire+0x62f/0x4c20 [ 674.068973] ? zap_class+0x640/0x640 [ 674.072685] ? mark_held_locks+0x130/0x130 [ 674.076919] ? print_usage_bug+0xc0/0xc0 [ 674.080984] ? wq_watchdog_touch+0x9c/0xfe [ 674.085225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.090770] ? check_preemption_disabled+0x48/0x280 [ 674.095921] ? __lock_is_held+0xb5/0x140 [ 674.099993] __alloc_pages_nodemask+0xad8/0xea0 [ 674.104668] ? zap_class+0x640/0x640 [ 674.108389] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 674.113419] ? find_held_lock+0x36/0x1c0 [ 674.117497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 674.122169] ? lock_downgrade+0x900/0x900 [ 674.126325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.131875] cache_grow_begin+0xa5/0x8c0 [ 674.135946] ? do_raw_spin_unlock+0xa7/0x330 [ 674.140367] fallback_alloc+0x204/0x2e0 [ 674.144348] ____cache_alloc_node+0x1c7/0x1e0 [ 674.148850] kmem_cache_alloc_node+0xe3/0x730 [ 674.153342] ? do_raw_spin_unlock+0xa7/0x330 [ 674.157750] ? do_raw_spin_trylock+0x270/0x270 [ 674.162348] __alloc_skb+0x119/0x770 [ 674.166065] ? netdev_alloc_frag+0x1f0/0x1f0 [ 674.170515] ? atomic_notifier_call_chain+0xc6/0x190 [ 674.175656] ? lock_downgrade+0x900/0x900 [ 674.179808] ? check_preemption_disabled+0x48/0x280 [ 674.184829] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.189761] ? kasan_check_read+0x11/0x20 [ 674.193907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.199186] ? rcu_softirq_qs+0x20/0x20 [ 674.203161] ? kasan_check_read+0x11/0x20 [ 674.207337] ? do_raw_write_trylock+0x270/0x270 [ 674.212029] __neigh_notify+0x8c/0x160 [ 674.215922] ? neigh_connected_output+0x780/0x780 [ 674.220787] neigh_timer_handler+0x6cb/0xdf0 [ 674.225213] ? check_preemption_disabled+0x48/0x280 [ 674.230231] ? neigh_periodic_work+0xc60/0xc60 [ 674.234823] ? __lock_is_held+0xb5/0x140 [ 674.238897] call_timer_fn+0x272/0x920 [ 674.242788] ? neigh_periodic_work+0xc60/0xc60 [ 674.247385] ? process_timeout+0x40/0x40 [ 674.251457] ? mark_held_locks+0xc7/0x130 [ 674.255608] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.260106] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.264596] ? neigh_periodic_work+0xc60/0xc60 [ 674.269177] ? lockdep_hardirqs_on+0x296/0x5b0 [ 674.273763] ? trace_hardirqs_on+0xbd/0x310 [ 674.278085] ? kasan_check_read+0x11/0x20 [ 674.282233] ? __run_timers+0x7da/0xc70 [ 674.286207] ? trace_hardirqs_off_caller+0x310/0x310 [ 674.291325] ? neigh_periodic_work+0xc60/0xc60 [ 674.295903] __run_timers+0x7e5/0xc70 [ 674.299712] ? timer_fixup_init+0x70/0x70 [ 674.303866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 674.308898] ? zap_class+0x640/0x640 [ 674.312633] ? print_usage_bug+0xc0/0xc0 [ 674.316697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 674.321894] ? find_held_lock+0x36/0x1c0 [ 674.325960] ? zap_class+0x640/0x640 [ 674.329679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.335218] ? check_preemption_disabled+0x48/0x280 [ 674.340244] ? __lock_is_held+0xb5/0x140 [ 674.344317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.349873] ? check_preemption_disabled+0x48/0x280 [ 674.354897] run_timer_softirq+0x52/0xb0 [ 674.358956] ? rcu_read_lock_sched_held+0x14f/0x180 [ 674.363976] __do_softirq+0x308/0xb7e [ 674.367784] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 674.372311] ? lock_downgrade+0x900/0x900 [ 674.376464] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 674.381578] ? pvclock_read_flags+0x160/0x160 [ 674.386078] ? lapic_next_event+0x5a/0x90 [ 674.390229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.395772] ? kvm_clock_read+0x18/0x30 [ 674.399781] ? kvm_sched_clock_read+0x9/0x20 [ 674.404260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.409805] ? check_preemption_disabled+0x48/0x280 [ 674.414883] irq_exit+0x17f/0x1c0 [ 674.418384] smp_apic_timer_interrupt+0x1cb/0x760 [ 674.423225] ? smp_call_function_single_interrupt+0x159/0x650 [ 674.429111] ? smp_call_function_single_interrupt+0x650/0x650 [ 674.434998] ? interrupt_entry+0xb5/0xc0 [ 674.439067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.444100] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.449117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.453983] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.458999] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.464015] ? task_prio+0x50/0x50 [ 674.467561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.473099] ? check_preemption_disabled+0x48/0x280 [ 674.478120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.482993] apic_timer_interrupt+0xf/0x20 [ 674.487218] </IRQ> [ 674.489461] RIP: 0010:rcu_is_watching+0x0/0x30 [ 674.494043] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 674.512953] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 674.520665] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 674.527952] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 674.535247] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 674.542519] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 674.549800] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 674.557088] ? list_lru_count_one+0x253/0x450 [ 674.561582] ? list_lru_count_one+0x35d/0x450 [ 674.566111] ? list_lru_count_one+0x362/0x450 [ 674.570639] ? list_lru_isolate_move+0x3c0/0x3c0 [ 674.575393] ? shmem_free_inode+0xd0/0xd0 [ 674.579570] ? __lock_is_held+0xb5/0x140 [ 674.583640] super_cache_count+0x1b9/0x2e0 [ 674.587889] do_shrink_slab+0x1b1/0xd30 [ 674.591876] ? snapshot_refaults+0x290/0x290 [ 674.596292] ? lock_release+0xa00/0xa00 [ 674.600274] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 674.605224] ? down_read_trylock+0xda/0x140 [ 674.609581] ? shrink_slab+0x207/0x8c0 [ 674.613481] ? downgrade_write+0x270/0x270 [ 674.617729] shrink_slab+0x389/0x8c0 [ 674.621461] ? shrink_active_list+0x1f00/0x1f00 [ 674.626140] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 674.631801] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 674.636926] ? cgroup_procs_write_finish+0xf0/0xf0 [ 674.641860] ? find_held_lock+0x36/0x1c0 [ 674.645935] shrink_node+0x431/0x16b0 [ 674.649740] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 674.655052] ? shrink_node_memcg+0x18f0/0x18f0 [ 674.659642] ? kvm_clock_read+0x18/0x30 [ 674.663623] ? ktime_get+0x2c1/0x400 [ 674.667343] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 674.671840] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.677382] ? __cpuset_node_allowed+0x19b/0x660 [ 674.682140] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 674.687870] ? delayacct_end+0x5a/0x100 [ 674.691859] do_try_to_free_pages+0x3e7/0x1290 [ 674.696438] ? zap_class+0x640/0x640 [ 674.700170] ? shrink_node+0x16b0/0x16b0 [ 674.704235] ? __lock_is_held+0xb5/0x140 [ 674.708320] try_to_free_pages+0x4d0/0xb90 [ 674.712566] ? do_try_to_free_pages+0x1290/0x1290 [ 674.717424] ? lock_acquire+0x1ed/0x520 [ 674.721403] ? set_page_refcounted+0x280/0x280 [ 674.726010] ? lock_release+0xa00/0xa00 [ 674.729986] ? _raw_spin_unlock_irq+0x60/0x80 [ 674.734483] ? psi_memstall_enter+0x240/0x2b0 [ 674.738978] ? psi_memstall_tick+0x230/0x230 [ 674.743414] __alloc_pages_slowpath+0xa48/0x2de0 [ 674.748215] ? warn_alloc+0x120/0x120 [ 674.752016] ? mark_held_locks+0x130/0x130 [ 674.756291] ? find_get_entry+0xaae/0x1120 [ 674.760570] ? filemap_map_pages+0x1a20/0x1a20 [ 674.765159] ? zap_class+0x640/0x640 [ 674.768879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.774421] ? check_preemption_disabled+0x48/0x280 [ 674.779442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.784999] ? should_fail+0x22d/0xd01 [ 674.788891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.794001] ? zap_class+0x640/0x640 [ 674.797741] ? __lock_is_held+0xb5/0x140 [ 674.801825] ? mark_held_locks+0x130/0x130 [ 674.806075] ? lock_release+0xa00/0xa00 [ 674.810049] ? perf_trace_sched_process_exec+0x860/0x860 [ 674.815501] ? xa_load+0x2ba/0x460 [ 674.819045] ? lock_downgrade+0x900/0x900 [ 674.823213] ? __might_sleep+0x95/0x190 [ 674.827192] __alloc_pages_nodemask+0xad8/0xea0 [ 674.831883] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 674.836928] ? __page_cache_alloc+0x191/0x5c0 [ 674.841419] ? xa_load+0x2e1/0x460 [ 674.845009] ? xa_clear_mark+0x40/0x40 [ 674.848911] ? zap_class+0x640/0x640 [ 674.852635] ? zap_class+0x640/0x640 [ 674.856365] ? zap_class+0x640/0x640 [ 674.860078] ? __do_page_cache_readahead+0x663/0x810 [ 674.865204] ? find_held_lock+0x36/0x1c0 [ 674.869271] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 674.874827] alloc_pages_current+0x173/0x350 [ 674.879264] __page_cache_alloc+0x38c/0x5c0 [ 674.883632] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.888588] ? kasan_check_read+0x11/0x20 [ 674.892734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.898017] ? generic_perform_write+0x6a0/0x6a0 [ 674.902779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.908324] ? check_preemption_disabled+0x48/0x280 [ 674.913349] filemap_fault+0x1595/0x25f0 [ 674.917438] ? __lock_page_or_retry+0xa00/0xa00 [ 674.922110] ? mark_held_locks+0x130/0x130 [ 674.926371] ? filemap_map_pages+0xd6b/0x1a20 [ 674.930870] ? lock_downgrade+0x900/0x900 [ 674.935018] ? check_preemption_disabled+0x48/0x280 [ 674.940040] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.944967] ? kasan_check_read+0x11/0x20 [ 674.949115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.954395] ? rcu_softirq_qs+0x20/0x20 [ 674.958396] ? filemap_map_pages+0xd92/0x1a20 [ 674.963137] ? find_get_entries_tag+0x1400/0x1400 [ 674.967989] ? debug_object_destroy+0x2b0/0x2b0 [ 674.972681] ? lock_pi_update_atomic+0x150/0x150 [ 674.977450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.983009] ? lock_acquire+0x1ed/0x520 [ 674.986985] ? ext4_filemap_fault+0x7a/0xad [ 674.991323] ? lock_release+0xa00/0xa00 [ 674.995319] ? perf_trace_sched_process_exec+0x860/0x860 [ 675.000771] ? print_usage_bug+0xc0/0xc0 [ 675.004848] ? print_usage_bug+0xc0/0xc0 [ 675.008921] ? down_read+0x8d/0x120 [ 675.012549] ? ext4_filemap_fault+0x7a/0xad [ 675.016871] ? __down_interruptible+0x700/0x700 [ 675.021558] ext4_filemap_fault+0x82/0xad [ 675.025708] __do_fault+0x100/0x6b0 [ 675.029333] ? release_sock+0x1ec/0x2c0 [ 675.033335] ? pmd_devmap_trans_unstable+0x220/0x220 [ 675.038441] ? mark_held_locks+0x130/0x130 [ 675.042679] ? mark_held_locks+0x130/0x130 [ 675.046971] ? lock_sock_nested+0x9a/0x120 [ 675.051298] ? __release_sock+0x3a0/0x3a0 [ 675.055507] ? __local_bh_enable_ip+0x160/0x260 [ 675.060198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.065738] __handle_mm_fault+0x3ea0/0x5be0 [ 675.070154] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 675.074998] ? apparmor_socket_sendmsg+0x29/0x30 [ 675.079754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.085314] ? security_socket_sendmsg+0x94/0xc0 [ 675.090088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.095641] ? zap_class+0x640/0x640 [ 675.099362] ? zap_class+0x640/0x640 [ 675.103093] ? __x64_sys_futex+0x53e/0x6a0 [ 675.107346] ? find_held_lock+0x36/0x1c0 [ 675.111448] ? handle_mm_fault+0x42a/0xc70 [ 675.115704] ? lock_downgrade+0x900/0x900 [ 675.119881] ? check_preemption_disabled+0x48/0x280 [ 675.124903] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 675.129836] ? kasan_check_read+0x11/0x20 [ 675.133992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.139263] ? rcu_softirq_qs+0x20/0x20 [ 675.143252] ? trace_hardirqs_off_caller+0x310/0x310 [ 675.148364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.153907] ? check_preemption_disabled+0x48/0x280 [ 675.158929] handle_mm_fault+0x54f/0xc70 [ 675.162990] ? __handle_mm_fault+0x5be0/0x5be0 [ 675.167588] ? find_vma+0x34/0x190 [ 675.171131] __do_page_fault+0x5e8/0xe60 [ 675.175195] ? trace_hardirqs_off+0xb8/0x310 [ 675.179614] ? __ia32_sys_read+0xb0/0xb0 [ 675.183686] do_page_fault+0xf2/0x7e0 [ 675.187504] ? vmalloc_sync_all+0x30/0x30 [ 675.191651] ? error_entry+0x70/0xd0 [ 675.195365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.200379] ? trace_hardirqs_on_caller+0xc0/0x310 [ 675.205329] ? syscall_return_slowpath+0x5e0/0x5e0 [ 675.210256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.215104] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.220130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 675.225644] ? prepare_exit_to_usermode+0x291/0x3b0 [ 675.230691] ? page_fault+0x8/0x30 [ 675.234267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.239124] ? page_fault+0x8/0x30 [ 675.242670] page_fault+0x1e/0x30 [ 675.246142] RIP: 0033:0x45ddf3 [ 675.249342] Code: Bad RIP value. [ 675.252700] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 675.258060] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 675.265330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 675.272596] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 675.279863] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 675.287131] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 675.294431] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 675.294436] warn_alloc_show_mem: 1 callbacks suppressed [ 675.294443] Mem-Info: [ 675.301752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.307120] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 675.307120] active_file:13 inactive_file:14 isolated_file:0 [ 675.307120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 675.307120] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 675.307120] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 675.307120] free:13773 free_pcp:174 free_cma:0 [ 675.309490] Call Trace: [ 675.318881] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 675.351820] <IRQ> [ 675.354395] 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 [ 675.381894] dump_stack+0x244/0x39d [ 675.384034] lowmem_reserve[]: 0 2818 6321 6321 [ 675.410146] ? dump_stack_print_info.cold.1+0x20/0x20 [ 675.413750] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 675.418338] warn_alloc.cold.116+0xb7/0x1bd [ 675.423495] lowmem_reserve[]: 0 0 3503 3503 [ 675.450989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 675.455294] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 675.459614] ? lock_downgrade+0x900/0x900 [ 675.464435] lowmem_reserve[]: 0 0 0 0 [ 675.493329] ? trace_hardirqs_off+0xb8/0x310 [ 675.497468] 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 [ 675.501298] ? trace_hardirqs_off+0xb8/0x310 [ 675.505680] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 675.519207] __alloc_pages_slowpath+0x2651/0x2de0 [ 675.523589] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 675.539563] ? warn_alloc+0x120/0x120 [ 675.544372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 675.557976] ? print_usage_bug+0xc0/0xc0 [ 675.561773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 675.570597] ? warn_alloc+0x120/0x120 [ 675.574653] 271 total pagecache pages [ 675.583222] ? warn_alloc+0x120/0x120 [ 675.587007] 0 pages in swap cache [ 675.590811] ? print_usage_bug+0xc0/0xc0 [ 675.594589] Swap cache stats: add 0, delete 0, find 0/0 [ 675.598043] ? kvm_clock_read+0x18/0x30 [ 675.602078] Free swap = 0kB [ 675.607455] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 675.611406] Total swap = 0kB [ 675.614417] ? print_usage_bug+0xc0/0xc0 [ 675.619408] 1965979 pages RAM [ 675.622435] ? __lock_acquire+0x62f/0x4c20 [ 675.626471] 0 pages HighMem/MovableOnly [ 675.629575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.633789] 342854 pages reserved [ 675.637759] ? should_fail+0x22d/0xd01 [ 675.643269] 0 pages cma reserved [ 675.646722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.650817] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 675.654077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.659335] syz-fuzzer cpuset=/ mems_allowed=0 [ 675.669566] ? __lock_acquire+0x62f/0x4c20 [ 675.683471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.688572] ? __lock_acquire+0x62f/0x4c20 [ 675.692815] ? should_fail+0x22d/0xd01 [ 675.696701] ? rcu_irq_exit+0x1a2/0x390 [ 675.700687] ? mark_held_locks+0x130/0x130 [ 675.704946] ? mark_held_locks+0x130/0x130 [ 675.709185] ? mark_held_locks+0xc7/0x130 [ 675.713338] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 675.718372] ? zap_class+0x640/0x640 [ 675.722086] ? print_usage_bug+0xc0/0xc0 [ 675.726152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.731693] ? check_preemption_disabled+0x48/0x280 [ 675.736722] ? __lock_is_held+0xb5/0x140 [ 675.740793] __alloc_pages_nodemask+0xad8/0xea0 [ 675.745462] ? zap_class+0x640/0x640 [ 675.749198] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 675.754227] ? find_held_lock+0x36/0x1c0 [ 675.758321] ? ____cache_alloc_node+0x1c7/0x1e0 [ 675.762994] ? lock_downgrade+0x900/0x900 [ 675.767150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.772695] cache_grow_begin+0xa5/0x8c0 [ 675.776754] ? do_raw_spin_unlock+0xa7/0x330 [ 675.781185] fallback_alloc+0x204/0x2e0 [ 675.785169] ____cache_alloc_node+0x1c7/0x1e0 [ 675.789669] kmem_cache_alloc_node+0xe3/0x730 [ 675.794179] ? ipv6_get_ifaddr+0x42e/0x620 [ 675.798428] __alloc_skb+0x119/0x770 [ 675.802140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.807420] ? netdev_alloc_frag+0x1f0/0x1f0 [ 675.811847] ? lock_downgrade+0x900/0x900 [ 675.816001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.821564] ? refcount_sub_and_test_checked+0x203/0x310 [ 675.827019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 675.832475] ? addrconf_rs_timer+0x690/0x690 [ 675.836900] ndisc_alloc_skb+0x144/0x340 [ 675.840964] ndisc_send_rs+0x331/0x6e0 [ 675.844855] addrconf_rs_timer+0x314/0x690 [ 675.849097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.853346] call_timer_fn+0x272/0x920 [ 675.857231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.861462] ? process_timeout+0x40/0x40 [ 675.865532] ? __run_timers+0x7da/0xc70 [ 675.869510] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.874008] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.878541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.882792] ? lockdep_hardirqs_on+0x296/0x5b0 [ 675.887376] ? trace_hardirqs_on+0xbd/0x310 [ 675.891716] ? kasan_check_read+0x11/0x20 [ 675.895879] ? __run_timers+0x7da/0xc70 [ 675.899854] ? trace_hardirqs_off_caller+0x310/0x310 [ 675.904965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.909206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.913439] __run_timers+0x7e5/0xc70 [ 675.917250] ? timer_fixup_init+0x70/0x70 [ 675.921409] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 675.926430] ? zap_class+0x640/0x640 [ 675.930150] ? enqueue_hrtimer+0x1a5/0x560 [ 675.934386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 675.939583] ? find_held_lock+0x36/0x1c0 [ 675.943651] ? zap_class+0x640/0x640 [ 675.947369] ? pvclock_read_flags+0x160/0x160 [ 675.951866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.957405] ? check_preemption_disabled+0x48/0x280 [ 675.962596] ? __lock_is_held+0xb5/0x140 [ 675.966660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.972198] ? check_preemption_disabled+0x48/0x280 [ 675.977234] run_timer_softirq+0x52/0xb0 [ 675.981336] ? rcu_read_lock_sched_held+0x14f/0x180 [ 675.986355] __do_softirq+0x308/0xb7e [ 675.990164] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 675.994674] ? lock_downgrade+0x900/0x900 [ 675.998826] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 676.003936] ? pvclock_read_flags+0x160/0x160 [ 676.008435] ? lapic_next_event+0x5a/0x90 [ 676.012588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.018129] ? kvm_clock_read+0x18/0x30 [ 676.022102] ? kvm_sched_clock_read+0x9/0x20 [ 676.026510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.032055] ? check_preemption_disabled+0x48/0x280 [ 676.037085] irq_exit+0x17f/0x1c0 [ 676.040541] smp_apic_timer_interrupt+0x1cb/0x760 [ 676.045385] ? smp_reschedule_interrupt+0x109/0x650 [ 676.050407] ? smp_call_function_single_interrupt+0x650/0x650 [ 676.056300] ? interrupt_entry+0xb5/0xc0 [ 676.060366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.065379] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.070430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.075315] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.080332] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.085363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.090229] apic_timer_interrupt+0xf/0x20 [ 676.094973] </IRQ> [ 676.097230] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 676.103119] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 676.122017] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 676.129725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 676.136995] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 676.144261] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 676.151534] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 676.158802] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 676.166126] ? save_stack+0xa9/0xd0 [ 676.169766] __kmalloc_node_track_caller+0x3c/0x70 [ 676.174703] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 676.179468] pskb_expand_head+0x230/0x10f0 [ 676.183709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 676.189181] ? memcpy+0x45/0x50 [ 676.192463] ? __copy_skb_header+0x350/0x6b0 [ 676.196886] ? skb_release_data+0x880/0x880 [ 676.201240] ? __alloc_skb+0x770/0x770 [ 676.205135] ? __lock_is_held+0xb5/0x140 [ 676.209197] ? kasan_check_write+0x14/0x20 [ 676.213455] ? __skb_clone+0x6c7/0xa00 [ 676.217354] ? __copy_skb_header+0x6b0/0x6b0 [ 676.221761] ? kmem_cache_alloc+0x33a/0x730 [ 676.226090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.231634] skb_ensure_writable+0x3dd/0x640 [ 676.236065] ? skb_checksum_setup+0xaa0/0xaa0 [ 676.240587] ? preempt_notifier_register+0x200/0x200 [ 676.245708] ? __switch_to_asm+0x34/0x70 [ 676.249796] ? __switch_to_asm+0x34/0x70 [ 676.253857] ? __switch_to_asm+0x40/0x70 [ 676.257913] ? __switch_to_asm+0x34/0x70 [ 676.261968] ? __switch_to_asm+0x40/0x70 [ 676.266026] ? __switch_to_asm+0x40/0x70 [ 676.270087] ? __switch_to_asm+0x34/0x70 [ 676.274144] ? __switch_to_asm+0x34/0x70 [ 676.278232] ? __switch_to_asm+0x40/0x70 [ 676.282309] ? __switch_to_asm+0x34/0x70 [ 676.286389] bpf_clone_redirect+0x14a/0x490 [ 676.290720] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 676.295742] ? __sched_text_start+0x8/0x8 [ 676.299934] ? retint_kernel+0x2d/0x2d [ 676.303833] ? find_held_lock+0x36/0x1c0 [ 676.307904] ? lock_acquire+0x1ed/0x520 [ 676.311891] ? bpf_test_run+0x3cb/0x780 [ 676.315883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.321437] ? check_preemption_disabled+0x48/0x280 [ 676.326461] ? kasan_check_read+0x11/0x20 [ 676.330611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 676.335887] ? rcu_softirq_qs+0x20/0x20 [ 676.339866] ? preempt_schedule+0x4d/0x60 [ 676.344043] ? ___preempt_schedule+0x16/0x18 [ 676.348464] ? bpf_test_run+0x25d/0x780 [ 676.352456] ? netlink_diag_dump+0x2a0/0x2a0 [ 676.356868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.362406] ? bpf_test_init.isra.10+0x70/0x100 [ 676.367085] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 676.371862] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 676.376705] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.382247] ? fput+0x130/0x1a0 [ 676.385539] ? __bpf_prog_get+0x9b/0x290 [ 676.389612] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 676.394458] ? bpf_prog_test_run+0x130/0x1a0 [ 676.398870] ? __x64_sys_bpf+0x3d8/0x520 [ 676.402945] ? bpf_prog_get+0x20/0x20 [ 676.406765] ? do_syscall_64+0x1b9/0x820 [ 676.410829] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 676.416195] ? syscall_return_slowpath+0x5e0/0x5e0 [ 676.421129] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.426148] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 676.431166] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 676.437846] ? __switch_to_asm+0x40/0x70 [ 676.441908] ? __switch_to_asm+0x34/0x70 [ 676.445973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.450823] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.456313] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 676.456383] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 676.463331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.463336] Call Trace: [ 676.463343] <IRQ> [ 676.463361] dump_stack+0x244/0x39d [ 676.463381] ? dump_stack_print_info.cold.1+0x20/0x20 [ 676.470009] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 676.479237] warn_alloc.cold.116+0xb7/0x1bd [ 676.481790] syz-executor3 cpuset=syz3 mems_allowed=0 [ 676.483932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 676.517423] ? lock_downgrade+0x900/0x900 [ 676.521582] ? trace_hardirqs_off+0xb8/0x310 [ 676.526033] ? trace_hardirqs_off+0xb8/0x310 [ 676.530477] __alloc_pages_slowpath+0x2651/0x2de0 [ 676.535370] ? warn_alloc+0x120/0x120 [ 676.539183] ? warn_alloc+0x120/0x120 [ 676.542999] ? warn_alloc+0x120/0x120 [ 676.546814] ? print_usage_bug+0xc0/0xc0 [ 676.550879] ? enqueue_hrtimer+0x1a5/0x560 [ 676.555118] ? print_usage_bug+0xc0/0xc0 [ 676.559178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 676.564391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.569928] ? should_fail+0x22d/0xd01 [ 676.573822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.578935] ? __lock_acquire+0x62f/0x4c20 [ 676.583172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.588273] ? __lock_acquire+0x62f/0x4c20 [ 676.592518] ? should_fail+0x22d/0xd01 [ 676.596464] ? mark_held_locks+0x130/0x130 [ 676.600700] ? mark_held_locks+0x130/0x130 [ 676.604937] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 676.609957] ? ktime_get+0x2c1/0x400 [ 676.613673] ? zap_class+0x640/0x640 [ 676.617386] ? print_usage_bug+0xc0/0xc0 [ 676.621451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.626988] ? check_preemption_disabled+0x48/0x280 [ 676.632033] ? __lock_is_held+0xb5/0x140 [ 676.636097] __alloc_pages_nodemask+0xad8/0xea0 [ 676.640784] ? zap_class+0x640/0x640 [ 676.644505] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 676.649536] ? find_held_lock+0x36/0x1c0 [ 676.653613] ? ____cache_alloc_node+0x1c7/0x1e0 [ 676.658305] ? lock_downgrade+0x900/0x900 [ 676.662458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.667996] cache_grow_begin+0xa5/0x8c0 [ 676.672057] ? do_raw_spin_unlock+0xa7/0x330 [ 676.676492] fallback_alloc+0x204/0x2e0 [ 676.680472] ____cache_alloc_node+0x1c7/0x1e0 [ 676.684990] kmem_cache_alloc_node+0xe3/0x730 [ 676.689485] ? ipv6_get_ifaddr+0x42e/0x620 [ 676.693732] __alloc_skb+0x119/0x770 [ 676.697446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 676.702727] ? netdev_alloc_frag+0x1f0/0x1f0 [ 676.707135] ? lock_downgrade+0x900/0x900 [ 676.711301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.716855] ? refcount_sub_and_test_checked+0x203/0x310 [ 676.722311] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 676.727760] ? addrconf_rs_timer+0x690/0x690 [ 676.732175] ndisc_alloc_skb+0x144/0x340 [ 676.736236] ndisc_send_rs+0x331/0x6e0 [ 676.740122] addrconf_rs_timer+0x314/0x690 [ 676.744357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 676.748595] call_timer_fn+0x272/0x920 [ 676.752480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 676.756728] ? process_timeout+0x40/0x40 [ 676.760796] ? mark_held_locks+0xc7/0x130 [ 676.764940] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.769429] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.773934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 676.778203] ? lockdep_hardirqs_on+0x296/0x5b0 [ 676.782780] ? trace_hardirqs_on+0xbd/0x310 [ 676.787094] ? kasan_check_read+0x11/0x20 [ 676.791242] ? __run_timers+0x7da/0xc70 [ 676.795306] ? trace_hardirqs_off_caller+0x310/0x310 [ 676.800420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 676.804654] __run_timers+0x7e5/0xc70 [ 676.808464] ? timer_fixup_init+0x70/0x70 [ 676.812632] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 676.817659] ? zap_class+0x640/0x640 [ 676.821389] ? print_usage_bug+0xc0/0xc0 [ 676.825450] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 676.830658] ? find_held_lock+0x36/0x1c0 [ 676.834733] ? zap_class+0x640/0x640 [ 676.838476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.844010] ? check_preemption_disabled+0x48/0x280 [ 676.849033] ? __lock_is_held+0xb5/0x140 [ 676.853094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.858631] ? check_preemption_disabled+0x48/0x280 [ 676.863650] run_timer_softirq+0x52/0xb0 [ 676.867708] ? rcu_read_lock_sched_held+0x14f/0x180 [ 676.872723] __do_softirq+0x308/0xb7e [ 676.876549] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 676.881044] ? lock_downgrade+0x900/0x900 [ 676.885211] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 676.890354] ? pvclock_read_flags+0x160/0x160 [ 676.894853] ? lapic_next_event+0x5a/0x90 [ 676.899002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.904552] ? kvm_clock_read+0x18/0x30 [ 676.908564] ? kvm_sched_clock_read+0x9/0x20 [ 676.912975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.918528] ? check_preemption_disabled+0x48/0x280 [ 676.923577] irq_exit+0x17f/0x1c0 [ 676.927033] smp_apic_timer_interrupt+0x1cb/0x760 [ 676.931904] ? smp_call_function_single_interrupt+0x159/0x650 [ 676.937821] ? smp_call_function_single_interrupt+0x650/0x650 [ 676.943724] ? interrupt_entry+0xb5/0xc0 [ 676.947789] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.952806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.957826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.962674] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.967688] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.972707] ? task_prio+0x50/0x50 [ 676.976252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.982145] ? check_preemption_disabled+0x48/0x280 [ 676.987165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.992018] apic_timer_interrupt+0xf/0x20 [ 676.996245] </IRQ> [ 676.998487] RIP: 0010:rcu_is_watching+0x0/0x30 [ 677.003082] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 677.021977] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 677.029682] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 677.036958] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 677.044223] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 677.051492] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 677.058762] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 677.066050] ? list_lru_count_one+0x253/0x450 [ 677.070548] ? list_lru_count_one+0x35d/0x450 [ 677.075050] ? list_lru_count_one+0x362/0x450 [ 677.079550] ? list_lru_isolate_move+0x3c0/0x3c0 [ 677.084326] ? shmem_free_inode+0xd0/0xd0 [ 677.088476] ? __lock_is_held+0xb5/0x140 [ 677.092549] super_cache_count+0x1b9/0x2e0 [ 677.096804] do_shrink_slab+0x1b1/0xd30 [ 677.100803] ? snapshot_refaults+0x290/0x290 [ 677.105213] ? lock_release+0xa00/0xa00 [ 677.109209] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 677.114193] ? down_read_trylock+0xda/0x140 [ 677.118514] ? shrink_slab+0x207/0x8c0 [ 677.122412] ? downgrade_write+0x270/0x270 [ 677.126662] shrink_slab+0x389/0x8c0 [ 677.130394] ? shrink_active_list+0x1f00/0x1f00 [ 677.135074] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 677.140732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 677.145844] ? cgroup_procs_write_finish+0xf0/0xf0 [ 677.150779] ? find_held_lock+0x36/0x1c0 [ 677.154849] shrink_node+0x431/0x16b0 [ 677.158649] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 677.163951] ? shrink_node_memcg+0x18f0/0x18f0 [ 677.168545] ? kvm_clock_read+0x18/0x30 [ 677.172519] ? ktime_get+0x2c1/0x400 [ 677.176238] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 677.180734] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 677.186292] ? __cpuset_node_allowed+0x19b/0x660 [ 677.191066] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 677.196781] ? delayacct_end+0x5a/0x100 [ 677.200775] do_try_to_free_pages+0x3e7/0x1290 [ 677.205358] ? zap_class+0x640/0x640 [ 677.209118] ? shrink_node+0x16b0/0x16b0 [ 677.213179] ? __lock_is_held+0xb5/0x140 [ 677.217255] try_to_free_pages+0x4d0/0xb90 [ 677.221504] ? do_try_to_free_pages+0x1290/0x1290 [ 677.226362] ? lock_acquire+0x1ed/0x520 [ 677.230337] ? set_page_refcounted+0x280/0x280 [ 677.234927] ? lock_release+0xa00/0xa00 [ 677.238908] ? _raw_spin_unlock_irq+0x60/0x80 [ 677.243404] ? psi_memstall_enter+0x240/0x2b0 [ 677.247907] ? psi_memstall_tick+0x230/0x230 [ 677.252330] __alloc_pages_slowpath+0xa48/0x2de0 [ 677.257118] ? warn_alloc+0x120/0x120 [ 677.260920] ? mark_held_locks+0x130/0x130 [ 677.265176] ? find_get_entry+0xaae/0x1120 [ 677.269424] ? filemap_map_pages+0x1a20/0x1a20 [ 677.274013] ? zap_class+0x640/0x640 [ 677.277734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.283273] ? check_preemption_disabled+0x48/0x280 [ 677.288312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.293852] ? should_fail+0x22d/0xd01 [ 677.297742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.302848] ? zap_class+0x640/0x640 [ 677.306595] ? __lock_is_held+0xb5/0x140 [ 677.310671] ? mark_held_locks+0x130/0x130 [ 677.314924] ? lock_release+0xa00/0xa00 [ 677.318908] ? perf_trace_sched_process_exec+0x860/0x860 [ 677.324359] ? xa_load+0x2ba/0x460 [ 677.327901] ? lock_downgrade+0x900/0x900 [ 677.332055] ? __might_sleep+0x95/0x190 [ 677.336036] __alloc_pages_nodemask+0xad8/0xea0 [ 677.340713] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 677.345737] ? __page_cache_alloc+0x191/0x5c0 [ 677.350235] ? xa_load+0x2e1/0x460 [ 677.353776] ? xa_clear_mark+0x40/0x40 [ 677.357671] ? zap_class+0x640/0x640 [ 677.361396] ? zap_class+0x640/0x640 [ 677.365109] ? zap_class+0x640/0x640 [ 677.368824] ? __do_page_cache_readahead+0x663/0x810 [ 677.373934] ? find_held_lock+0x36/0x1c0 [ 677.378022] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.383846] alloc_pages_current+0x173/0x350 [ 677.388263] __page_cache_alloc+0x38c/0x5c0 [ 677.392602] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.397537] ? kasan_check_read+0x11/0x20 [ 677.401690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.407007] ? generic_perform_write+0x6a0/0x6a0 [ 677.411796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.417336] ? check_preemption_disabled+0x48/0x280 [ 677.422366] filemap_fault+0x1595/0x25f0 [ 677.426441] ? __lock_page_or_retry+0xa00/0xa00 [ 677.431117] ? mark_held_locks+0x130/0x130 [ 677.435363] ? filemap_map_pages+0xd6b/0x1a20 [ 677.439858] ? lock_downgrade+0x900/0x900 [ 677.444046] ? check_preemption_disabled+0x48/0x280 [ 677.449086] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.454044] ? kasan_check_read+0x11/0x20 [ 677.458187] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.463462] ? rcu_softirq_qs+0x20/0x20 [ 677.467454] ? filemap_map_pages+0xd92/0x1a20 [ 677.471963] ? find_get_entries_tag+0x1400/0x1400 [ 677.476813] ? debug_object_destroy+0x2b0/0x2b0 [ 677.481490] ? lock_pi_update_atomic+0x150/0x150 [ 677.486244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.491792] ? lock_acquire+0x1ed/0x520 [ 677.495767] ? ext4_filemap_fault+0x7a/0xad [ 677.500098] ? lock_release+0xa00/0xa00 [ 677.504075] ? perf_trace_sched_process_exec+0x860/0x860 [ 677.509528] ? print_usage_bug+0xc0/0xc0 [ 677.513596] ? print_usage_bug+0xc0/0xc0 [ 677.517670] ? down_read+0x8d/0x120 [ 677.521317] ? ext4_filemap_fault+0x7a/0xad [ 677.525649] ? __down_interruptible+0x700/0x700 [ 677.530333] ext4_filemap_fault+0x82/0xad [ 677.534485] __do_fault+0x100/0x6b0 [ 677.538118] ? release_sock+0x1ec/0x2c0 [ 677.542112] ? pmd_devmap_trans_unstable+0x220/0x220 [ 677.547222] ? mark_held_locks+0x130/0x130 [ 677.551474] ? mark_held_locks+0x130/0x130 [ 677.555706] ? lock_sock_nested+0x9a/0x120 [ 677.559941] ? __release_sock+0x3a0/0x3a0 [ 677.564093] ? __local_bh_enable_ip+0x160/0x260 [ 677.568763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.574314] __handle_mm_fault+0x3ea0/0x5be0 [ 677.578731] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 677.583575] ? apparmor_socket_sendmsg+0x29/0x30 [ 677.588331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.593870] ? security_socket_sendmsg+0x94/0xc0 [ 677.598633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.604186] ? zap_class+0x640/0x640 [ 677.607899] ? zap_class+0x640/0x640 [ 677.611613] ? __x64_sys_futex+0x53e/0x6a0 [ 677.615850] ? find_held_lock+0x36/0x1c0 [ 677.619936] ? handle_mm_fault+0x42a/0xc70 [ 677.624171] ? lock_downgrade+0x900/0x900 [ 677.628325] ? check_preemption_disabled+0x48/0x280 [ 677.633347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.638276] ? kasan_check_read+0x11/0x20 [ 677.642434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.647728] ? rcu_softirq_qs+0x20/0x20 [ 677.651704] ? trace_hardirqs_off_caller+0x310/0x310 [ 677.656812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.662370] ? check_preemption_disabled+0x48/0x280 [ 677.667414] handle_mm_fault+0x54f/0xc70 [ 677.671480] ? __handle_mm_fault+0x5be0/0x5be0 [ 677.676072] ? find_vma+0x34/0x190 [ 677.679622] __do_page_fault+0x5e8/0xe60 [ 677.683700] ? trace_hardirqs_off+0xb8/0x310 [ 677.688112] ? __ia32_sys_read+0xb0/0xb0 [ 677.692183] do_page_fault+0xf2/0x7e0 [ 677.695988] ? vmalloc_sync_all+0x30/0x30 [ 677.700138] ? error_entry+0x70/0xd0 [ 677.703853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 677.708871] ? trace_hardirqs_on_caller+0xc0/0x310 [ 677.713800] ? syscall_return_slowpath+0x5e0/0x5e0 [ 677.718769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.723616] ? trace_hardirqs_on_caller+0x310/0x310 [ 677.728636] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 677.734112] ? prepare_exit_to_usermode+0x291/0x3b0 [ 677.739128] ? page_fault+0x8/0x30 [ 677.742672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.747520] ? page_fault+0x8/0x30 [ 677.751080] page_fault+0x1e/0x30 [ 677.754531] RIP: 0033:0x45ddf3 [ 677.757764] Code: Bad RIP value. [ 677.761125] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 677.766487] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 677.773768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 677.781053] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 677.788321] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 677.795587] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 677.802882] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 677.802887] warn_alloc_show_mem: 1 callbacks suppressed [ 677.802894] Mem-Info: [ 677.810169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.815534] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 677.815534] active_file:13 inactive_file:14 isolated_file:0 [ 677.815534] unevictable:0 dirty:0 writeback:0 unstable:0 [ 677.815534] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 677.815534] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 677.815534] free:13773 free_pcp:174 free_cma:0 [ 677.817916] Call Trace: [ 677.827311] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 677.860251] <IRQ> [ 677.862822] 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 [ 677.890322] dump_stack+0x244/0x39d [ 677.892444] lowmem_reserve[]: 0 2818 6321 6321 [ 677.918557] ? dump_stack_print_info.cold.1+0x20/0x20 [ 677.922161] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 677.926748] warn_alloc.cold.116+0xb7/0x1bd [ 677.931909] lowmem_reserve[]: 0 0 3503 3503 [ 677.959404] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 677.963903] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 677.968225] ? lock_downgrade+0x900/0x900 [ 677.973038] lowmem_reserve[]: 0 0 0 0 [ 678.001936] ? trace_hardirqs_off+0xb8/0x310 [ 678.006057] 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 [ 678.009854] ? trace_hardirqs_off+0xb8/0x310 [ 678.014248] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 678.027809] __alloc_pages_slowpath+0x2651/0x2de0 [ 678.032190] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 678.048161] ? warn_alloc+0x120/0x120 [ 678.052960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 678.066557] ? print_usage_bug+0xc0/0xc0 [ 678.066571] ? warn_alloc+0x120/0x120 [ 678.070353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 678.079177] ? warn_alloc+0x120/0x120 [ 678.083213] 271 total pagecache pages [ 678.087004] ? print_usage_bug+0xc0/0xc0 [ 678.095718] 0 pages in swap cache [ 678.099511] ? print_usage_bug+0xc0/0xc0 [ 678.103315] Swap cache stats: add 0, delete 0, find 0/0 [ 678.107368] ? __lock_acquire+0x62f/0x4c20 [ 678.110800] Free swap = 0kB [ 678.114885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.120219] Total swap = 0kB [ 678.124455] ? should_fail+0x22d/0xd01 [ 678.127461] 1965979 pages RAM [ 678.132988] ? __lock_acquire+0x62f/0x4c20 [ 678.135983] 0 pages HighMem/MovableOnly [ 678.139861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 678.142945] 342854 pages reserved [ 678.147189] ? __lock_acquire+0x62f/0x4c20 [ 678.151136] 0 pages cma reserved [ 678.156226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 678.159713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 678.163875] ? __lock_acquire+0x62f/0x4c20 [ 678.163887] ? should_fail+0x22d/0xd01 [ 678.163910] ? mark_held_locks+0x130/0x130 [ 678.167321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 678.172346] ? mark_held_locks+0x130/0x130 [ 678.178827] syz-fuzzer cpuset=/ mems_allowed=0 [ 678.183097] ? zap_class+0x640/0x640 [ 678.214011] ? zap_class+0x640/0x640 [ 678.217728] ? print_usage_bug+0xc0/0xc0 [ 678.221804] ? print_usage_bug+0xc0/0xc0 [ 678.225867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.231405] ? check_preemption_disabled+0x48/0x280 [ 678.236436] ? __lock_is_held+0xb5/0x140 [ 678.240504] __alloc_pages_nodemask+0xad8/0xea0 [ 678.245190] ? zap_class+0x640/0x640 [ 678.248913] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 678.253955] ? find_held_lock+0x36/0x1c0 [ 678.258027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 678.262702] ? lock_downgrade+0x900/0x900 [ 678.266878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.272421] cache_grow_begin+0xa5/0x8c0 [ 678.276477] ? do_raw_spin_unlock+0xa7/0x330 [ 678.280904] fallback_alloc+0x204/0x2e0 [ 678.284882] ____cache_alloc_node+0x1c7/0x1e0 [ 678.289395] kmem_cache_alloc_node+0xe3/0x730 [ 678.293914] ? ipv6_get_ifaddr+0x42e/0x620 [ 678.298190] __alloc_skb+0x119/0x770 [ 678.301900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 678.307180] ? netdev_alloc_frag+0x1f0/0x1f0 [ 678.311587] ? lock_downgrade+0x900/0x900 [ 678.315736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.321305] ? refcount_sub_and_test_checked+0x203/0x310 [ 678.326760] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 678.332227] ? addrconf_rs_timer+0x690/0x690 [ 678.336647] ndisc_alloc_skb+0x144/0x340 [ 678.340714] ndisc_send_rs+0x331/0x6e0 [ 678.344606] addrconf_rs_timer+0x314/0x690 [ 678.348849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.353091] call_timer_fn+0x272/0x920 [ 678.356988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.361218] ? process_timeout+0x40/0x40 [ 678.365294] ? __run_timers+0x7da/0xc70 [ 678.369273] ? _raw_spin_unlock_irq+0x27/0x80 [ 678.373775] ? _raw_spin_unlock_irq+0x27/0x80 [ 678.378270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.382513] ? lockdep_hardirqs_on+0x296/0x5b0 [ 678.387114] ? trace_hardirqs_on+0xbd/0x310 [ 678.391435] ? kasan_check_read+0x11/0x20 [ 678.395581] ? __run_timers+0x7da/0xc70 [ 678.399556] ? trace_hardirqs_off_caller+0x310/0x310 [ 678.404662] ? tcp_compressed_ack_kick+0x220/0x220 [ 678.409599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.413831] __run_timers+0x7e5/0xc70 [ 678.417639] ? timer_fixup_init+0x70/0x70 [ 678.421825] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 678.426843] ? zap_class+0x640/0x640 [ 678.430562] ? enqueue_hrtimer+0x1a5/0x560 [ 678.434822] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 678.440022] ? find_held_lock+0x36/0x1c0 [ 678.444092] ? zap_class+0x640/0x640 [ 678.447810] ? pvclock_read_flags+0x160/0x160 [ 678.452316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.457858] ? check_preemption_disabled+0x48/0x280 [ 678.462887] ? __lock_is_held+0xb5/0x140 [ 678.466952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.472491] ? check_preemption_disabled+0x48/0x280 [ 678.477511] run_timer_softirq+0x52/0xb0 [ 678.481619] ? rcu_read_lock_sched_held+0x14f/0x180 [ 678.486637] __do_softirq+0x308/0xb7e [ 678.490442] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 678.494937] ? lock_downgrade+0x900/0x900 [ 678.499089] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 678.504211] ? pvclock_read_flags+0x160/0x160 [ 678.508707] ? lapic_next_event+0x5a/0x90 [ 678.512858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.518421] ? kvm_clock_read+0x18/0x30 [ 678.522395] ? kvm_sched_clock_read+0x9/0x20 [ 678.526808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.532351] ? check_preemption_disabled+0x48/0x280 [ 678.537397] irq_exit+0x17f/0x1c0 [ 678.540852] smp_apic_timer_interrupt+0x1cb/0x760 [ 678.545698] ? smp_reschedule_interrupt+0x109/0x650 [ 678.550715] ? smp_call_function_single_interrupt+0x650/0x650 [ 678.556700] ? interrupt_entry+0xb5/0xc0 [ 678.560781] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.565796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.570832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.575675] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.580693] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.585723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.590589] apic_timer_interrupt+0xf/0x20 [ 678.594842] </IRQ> [ 678.597086] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 678.602971] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 678.621872] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 678.629580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 678.636846] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 678.644113] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 678.651375] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 678.658646] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 678.665948] ? save_stack+0xa9/0xd0 [ 678.669637] __kmalloc_node_track_caller+0x3c/0x70 [ 678.674573] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 678.679342] pskb_expand_head+0x230/0x10f0 [ 678.683579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 678.689054] ? memcpy+0x45/0x50 [ 678.692341] ? __copy_skb_header+0x350/0x6b0 [ 678.696752] ? skb_release_data+0x880/0x880 [ 678.701076] ? __alloc_skb+0x770/0x770 [ 678.704981] ? __lock_is_held+0xb5/0x140 [ 678.709068] ? kasan_check_write+0x14/0x20 [ 678.713309] ? __skb_clone+0x6c7/0xa00 [ 678.717199] ? __copy_skb_header+0x6b0/0x6b0 [ 678.721605] ? kmem_cache_alloc+0x33a/0x730 [ 678.725958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.731501] skb_ensure_writable+0x3dd/0x640 [ 678.735926] ? skb_checksum_setup+0xaa0/0xaa0 [ 678.740422] ? preempt_notifier_register+0x200/0x200 [ 678.745524] ? __switch_to_asm+0x34/0x70 [ 678.749588] ? __switch_to_asm+0x34/0x70 [ 678.753649] ? __switch_to_asm+0x40/0x70 [ 678.757709] ? __switch_to_asm+0x34/0x70 [ 678.761767] ? __switch_to_asm+0x40/0x70 [ 678.765843] ? __switch_to_asm+0x40/0x70 [ 678.769900] ? __switch_to_asm+0x34/0x70 [ 678.773988] ? __switch_to_asm+0x34/0x70 [ 678.778050] ? __switch_to_asm+0x40/0x70 [ 678.782108] ? __switch_to_asm+0x34/0x70 [ 678.786172] bpf_clone_redirect+0x14a/0x490 [ 678.790502] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 678.795521] ? __sched_text_start+0x8/0x8 [ 678.799669] ? retint_kernel+0x2d/0x2d [ 678.803567] ? find_held_lock+0x36/0x1c0 [ 678.807671] ? lock_acquire+0x1ed/0x520 [ 678.811661] ? bpf_test_run+0x3cb/0x780 [ 678.815635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.821175] ? check_preemption_disabled+0x48/0x280 [ 678.826195] ? kasan_check_read+0x11/0x20 [ 678.830339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 678.835676] ? rcu_softirq_qs+0x20/0x20 [ 678.839649] ? preempt_schedule+0x4d/0x60 [ 678.843798] ? ___preempt_schedule+0x16/0x18 [ 678.848224] ? bpf_test_run+0x25d/0x780 [ 678.852227] ? netlink_diag_dump+0x2a0/0x2a0 [ 678.856655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.862195] ? bpf_test_init.isra.10+0x70/0x100 [ 678.866910] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 678.871691] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 678.876543] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.882080] ? fput+0x130/0x1a0 [ 678.885365] ? __bpf_prog_get+0x9b/0x290 [ 678.889428] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 678.894271] ? bpf_prog_test_run+0x130/0x1a0 [ 678.898712] ? __x64_sys_bpf+0x3d8/0x520 [ 678.902772] ? bpf_prog_get+0x20/0x20 [ 678.906594] ? do_syscall_64+0x1b9/0x820 [ 678.910655] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 678.916025] ? syscall_return_slowpath+0x5e0/0x5e0 [ 678.920960] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.925976] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 678.930991] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 678.937656] ? __switch_to_asm+0x40/0x70 [ 678.941716] ? __switch_to_asm+0x34/0x70 [ 678.945784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.950637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.956022] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 678.956098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 678.963039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.963045] Call Trace: [ 678.963054] <IRQ> [ 678.969617] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 678.978892] dump_stack+0x244/0x39d [ 678.981455] syz-executor3 cpuset=syz3 mems_allowed=0 [ 678.983599] ? dump_stack_print_info.cold.1+0x20/0x20 [ 679.007944] warn_alloc.cold.116+0xb7/0x1bd [ 679.012262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 679.017110] ? lock_downgrade+0x900/0x900 [ 679.021260] ? trace_hardirqs_off+0xb8/0x310 [ 679.025679] ? trace_hardirqs_off+0xb8/0x310 [ 679.030265] __alloc_pages_slowpath+0x2651/0x2de0 [ 679.035137] ? warn_alloc+0x120/0x120 [ 679.038936] ? print_usage_bug+0xc0/0xc0 [ 679.042992] ? warn_alloc+0x120/0x120 [ 679.046822] ? warn_alloc+0x120/0x120 [ 679.050636] ? print_usage_bug+0xc0/0xc0 [ 679.054727] ? print_usage_bug+0xc0/0xc0 [ 679.058801] ? __lock_acquire+0x62f/0x4c20 [ 679.063042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.068580] ? should_fail+0x22d/0xd01 [ 679.072468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.077585] ? __lock_acquire+0x62f/0x4c20 [ 679.081839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.086945] ? __lock_acquire+0x62f/0x4c20 [ 679.091207] ? should_fail+0x22d/0xd01 [ 679.095110] ? find_held_lock+0x36/0x1c0 [ 679.099178] ? mark_held_locks+0x130/0x130 [ 679.103421] ? mark_held_locks+0x130/0x130 [ 679.107653] ? zap_class+0x640/0x640 [ 679.111389] ? zap_class+0x640/0x640 [ 679.115105] ? print_usage_bug+0xc0/0xc0 [ 679.119172] ? do_raw_spin_unlock+0xa7/0x330 [ 679.123577] ? zap_class+0x640/0x640 [ 679.127309] ? print_usage_bug+0xc0/0xc0 [ 679.131385] ? wq_watchdog_touch+0x9c/0xfe [ 679.135635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.141173] ? check_preemption_disabled+0x48/0x280 [ 679.146203] ? __lock_is_held+0xb5/0x140 [ 679.150268] __alloc_pages_nodemask+0xad8/0xea0 [ 679.154942] ? zap_class+0x640/0x640 [ 679.158675] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 679.163726] ? find_held_lock+0x36/0x1c0 [ 679.167793] ? ____cache_alloc_node+0x1c7/0x1e0 [ 679.172463] ? lock_downgrade+0x900/0x900 [ 679.176613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.182152] cache_grow_begin+0xa5/0x8c0 [ 679.186207] ? do_raw_spin_unlock+0xa7/0x330 [ 679.190650] fallback_alloc+0x204/0x2e0 [ 679.194682] ____cache_alloc_node+0x1c7/0x1e0 [ 679.199182] kmem_cache_alloc_node+0xe3/0x730 [ 679.203701] ? ipv6_get_ifaddr+0x42e/0x620 [ 679.207957] __alloc_skb+0x119/0x770 [ 679.211678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.216973] ? netdev_alloc_frag+0x1f0/0x1f0 [ 679.221379] ? lock_downgrade+0x900/0x900 [ 679.225530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.231073] ? refcount_sub_and_test_checked+0x203/0x310 [ 679.236545] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 679.241994] ? addrconf_rs_timer+0x690/0x690 [ 679.246417] ndisc_alloc_skb+0x144/0x340 [ 679.250482] ndisc_send_rs+0x331/0x6e0 [ 679.254374] addrconf_rs_timer+0x314/0x690 [ 679.258617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 679.262860] call_timer_fn+0x272/0x920 [ 679.266742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 679.270989] ? process_timeout+0x40/0x40 [ 679.275089] ? mark_held_locks+0xc7/0x130 [ 679.279241] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.283734] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.288223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 679.292452] ? lockdep_hardirqs_on+0x296/0x5b0 [ 679.297032] ? trace_hardirqs_on+0xbd/0x310 [ 679.301350] ? kasan_check_read+0x11/0x20 [ 679.305505] ? __run_timers+0x7da/0xc70 [ 679.309485] ? trace_hardirqs_off_caller+0x310/0x310 [ 679.314594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 679.318865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 679.323098] __run_timers+0x7e5/0xc70 [ 679.326952] ? timer_fixup_init+0x70/0x70 [ 679.331100] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 679.336113] ? zap_class+0x640/0x640 [ 679.339830] ? print_usage_bug+0xc0/0xc0 [ 679.343893] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 679.349092] ? find_held_lock+0x36/0x1c0 [ 679.353177] ? zap_class+0x640/0x640 [ 679.356894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.362429] ? check_preemption_disabled+0x48/0x280 [ 679.367454] ? __lock_is_held+0xb5/0x140 [ 679.371518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.377058] ? check_preemption_disabled+0x48/0x280 [ 679.382088] run_timer_softirq+0x52/0xb0 [ 679.386163] ? rcu_read_lock_sched_held+0x14f/0x180 [ 679.391193] __do_softirq+0x308/0xb7e [ 679.394998] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 679.399491] ? lock_downgrade+0x900/0x900 [ 679.403644] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 679.408759] ? pvclock_read_flags+0x160/0x160 [ 679.413257] ? lapic_next_event+0x5a/0x90 [ 679.417413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.422970] ? kvm_clock_read+0x18/0x30 [ 679.426942] ? kvm_sched_clock_read+0x9/0x20 [ 679.431352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.436890] ? check_preemption_disabled+0x48/0x280 [ 679.441932] irq_exit+0x17f/0x1c0 [ 679.445393] smp_apic_timer_interrupt+0x1cb/0x760 [ 679.450239] ? smp_call_function_single_interrupt+0x159/0x650 [ 679.456124] ? smp_call_function_single_interrupt+0x650/0x650 [ 679.462012] ? interrupt_entry+0xb5/0xc0 [ 679.466079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.471125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.476145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.480991] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.486022] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.491038] ? task_prio+0x50/0x50 [ 679.494585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.500128] ? check_preemption_disabled+0x48/0x280 [ 679.505150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.510002] apic_timer_interrupt+0xf/0x20 [ 679.514229] </IRQ> [ 679.516466] RIP: 0010:rcu_is_watching+0x0/0x30 [ 679.521049] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 679.539950] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 679.547655] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 679.554920] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 679.562187] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 679.569469] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 679.576739] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 679.584031] ? list_lru_count_one+0x253/0x450 [ 679.588550] ? list_lru_count_one+0x35d/0x450 [ 679.593053] ? list_lru_count_one+0x362/0x450 [ 679.597557] ? list_lru_isolate_move+0x3c0/0x3c0 [ 679.602314] ? shmem_free_inode+0xd0/0xd0 [ 679.606469] ? __lock_is_held+0xb5/0x140 [ 679.610537] super_cache_count+0x1b9/0x2e0 [ 679.614786] do_shrink_slab+0x1b1/0xd30 [ 679.618788] ? snapshot_refaults+0x290/0x290 [ 679.623207] ? lock_release+0xa00/0xa00 [ 679.627199] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 679.632144] ? down_read_trylock+0xda/0x140 [ 679.636464] ? shrink_slab+0x207/0x8c0 [ 679.640352] ? downgrade_write+0x270/0x270 [ 679.644599] shrink_slab+0x389/0x8c0 [ 679.648315] ? shrink_active_list+0x1f00/0x1f00 [ 679.652996] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 679.658627] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 679.663739] ? cgroup_procs_write_finish+0xf0/0xf0 [ 679.668678] ? find_held_lock+0x36/0x1c0 [ 679.672748] shrink_node+0x431/0x16b0 [ 679.676554] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 679.681858] ? shrink_node_memcg+0x18f0/0x18f0 [ 679.686450] ? kvm_clock_read+0x18/0x30 [ 679.690426] ? ktime_get+0x2c1/0x400 [ 679.694146] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 679.698646] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 679.704183] ? __cpuset_node_allowed+0x19b/0x660 [ 679.708945] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 679.714658] ? delayacct_end+0x5a/0x100 [ 679.718642] do_try_to_free_pages+0x3e7/0x1290 [ 679.723222] ? zap_class+0x640/0x640 [ 679.726987] ? shrink_node+0x16b0/0x16b0 [ 679.731052] ? __lock_is_held+0xb5/0x140 [ 679.735129] try_to_free_pages+0x4d0/0xb90 [ 679.739371] ? do_try_to_free_pages+0x1290/0x1290 [ 679.744277] ? lock_acquire+0x1ed/0x520 [ 679.748264] ? set_page_refcounted+0x280/0x280 [ 679.752863] ? lock_release+0xa00/0xa00 [ 679.756840] ? _raw_spin_unlock_irq+0x60/0x80 [ 679.761335] ? psi_memstall_enter+0x240/0x2b0 [ 679.765833] ? psi_memstall_tick+0x230/0x230 [ 679.770254] __alloc_pages_slowpath+0xa48/0x2de0 [ 679.775052] ? warn_alloc+0x120/0x120 [ 679.778853] ? mark_held_locks+0x130/0x130 [ 679.783096] ? find_get_entry+0xaae/0x1120 [ 679.787341] ? filemap_map_pages+0x1a20/0x1a20 [ 679.791932] ? zap_class+0x640/0x640 [ 679.795658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.801198] ? check_preemption_disabled+0x48/0x280 [ 679.806212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.811778] ? should_fail+0x22d/0xd01 [ 679.815670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.820780] ? zap_class+0x640/0x640 [ 679.824522] ? __lock_is_held+0xb5/0x140 [ 679.828598] ? mark_held_locks+0x130/0x130 [ 679.832842] ? lock_release+0xa00/0xa00 [ 679.836817] ? perf_trace_sched_process_exec+0x860/0x860 [ 679.842268] ? xa_load+0x2ba/0x460 [ 679.845823] ? lock_downgrade+0x900/0x900 [ 679.849986] ? __might_sleep+0x95/0x190 [ 679.853983] __alloc_pages_nodemask+0xad8/0xea0 [ 679.858723] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 679.863738] ? __page_cache_alloc+0x191/0x5c0 [ 679.868319] ? xa_load+0x2e1/0x460 [ 679.871858] ? xa_clear_mark+0x40/0x40 [ 679.875748] ? zap_class+0x640/0x640 [ 679.879500] ? zap_class+0x640/0x640 [ 679.883215] ? zap_class+0x640/0x640 [ 679.886950] ? __do_page_cache_readahead+0x663/0x810 [ 679.892091] ? find_held_lock+0x36/0x1c0 [ 679.896160] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 679.901718] alloc_pages_current+0x173/0x350 [ 679.906146] __page_cache_alloc+0x38c/0x5c0 [ 679.910470] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 679.915401] ? kasan_check_read+0x11/0x20 [ 679.919570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.924862] ? generic_perform_write+0x6a0/0x6a0 [ 679.929619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.935171] ? check_preemption_disabled+0x48/0x280 [ 679.940196] filemap_fault+0x1595/0x25f0 [ 679.944297] ? __lock_page_or_retry+0xa00/0xa00 [ 679.948972] ? mark_held_locks+0x130/0x130 [ 679.953233] ? filemap_map_pages+0xd6b/0x1a20 [ 679.957762] ? lock_downgrade+0x900/0x900 [ 679.961908] ? check_preemption_disabled+0x48/0x280 [ 679.967135] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 679.972066] ? kasan_check_read+0x11/0x20 [ 679.976218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.981494] ? rcu_softirq_qs+0x20/0x20 [ 679.985498] ? filemap_map_pages+0xd92/0x1a20 [ 679.990025] ? find_get_entries_tag+0x1400/0x1400 [ 679.994885] ? debug_object_destroy+0x2b0/0x2b0 [ 679.999561] ? lock_pi_update_atomic+0x150/0x150 [ 680.004334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.009887] ? lock_acquire+0x1ed/0x520 [ 680.013875] ? ext4_filemap_fault+0x7a/0xad [ 680.018199] ? lock_release+0xa00/0xa00 [ 680.022170] ? perf_trace_sched_process_exec+0x860/0x860 [ 680.027619] ? print_usage_bug+0xc0/0xc0 [ 680.031681] ? print_usage_bug+0xc0/0xc0 [ 680.035761] ? down_read+0x8d/0x120 [ 680.039386] ? ext4_filemap_fault+0x7a/0xad [ 680.043709] ? __down_interruptible+0x700/0x700 [ 680.048391] ext4_filemap_fault+0x82/0xad [ 680.052547] __do_fault+0x100/0x6b0 [ 680.056175] ? release_sock+0x1ec/0x2c0 [ 680.060152] ? pmd_devmap_trans_unstable+0x220/0x220 [ 680.065257] ? mark_held_locks+0x130/0x130 [ 680.069502] ? mark_held_locks+0x130/0x130 [ 680.073756] ? lock_sock_nested+0x9a/0x120 [ 680.077990] ? __release_sock+0x3a0/0x3a0 [ 680.082154] ? __local_bh_enable_ip+0x160/0x260 [ 680.086835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.092377] __handle_mm_fault+0x3ea0/0x5be0 [ 680.096965] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 680.101827] ? apparmor_socket_sendmsg+0x29/0x30 [ 680.106587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.112129] ? security_socket_sendmsg+0x94/0xc0 [ 680.116892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.122441] ? zap_class+0x640/0x640 [ 680.126158] ? zap_class+0x640/0x640 [ 680.129874] ? __x64_sys_futex+0x53e/0x6a0 [ 680.134114] ? find_held_lock+0x36/0x1c0 [ 680.138187] ? handle_mm_fault+0x42a/0xc70 [ 680.142423] ? lock_downgrade+0x900/0x900 [ 680.146579] ? check_preemption_disabled+0x48/0x280 [ 680.151598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 680.156526] ? kasan_check_read+0x11/0x20 [ 680.160692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.165982] ? rcu_softirq_qs+0x20/0x20 [ 680.169953] ? trace_hardirqs_off_caller+0x310/0x310 [ 680.175059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.180599] ? check_preemption_disabled+0x48/0x280 [ 680.185640] handle_mm_fault+0x54f/0xc70 [ 680.189705] ? __handle_mm_fault+0x5be0/0x5be0 [ 680.194305] ? find_vma+0x34/0x190 [ 680.197856] __do_page_fault+0x5e8/0xe60 [ 680.201918] ? trace_hardirqs_off+0xb8/0x310 [ 680.206326] ? __ia32_sys_read+0xb0/0xb0 [ 680.210413] do_page_fault+0xf2/0x7e0 [ 680.214220] ? vmalloc_sync_all+0x30/0x30 [ 680.218389] ? error_entry+0x70/0xd0 [ 680.222122] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.227141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 680.232072] ? syscall_return_slowpath+0x5e0/0x5e0 [ 680.237034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.241906] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.246930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 680.252388] ? prepare_exit_to_usermode+0x291/0x3b0 [ 680.257403] ? page_fault+0x8/0x30 [ 680.260946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.265792] ? page_fault+0x8/0x30 [ 680.269337] page_fault+0x1e/0x30 [ 680.272784] RIP: 0033:0x45ddf3 [ 680.275986] Code: Bad RIP value. [ 680.279364] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 680.284723] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 680.291986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 680.299251] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 680.306561] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 680.313843] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 680.321133] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 680.321138] warn_alloc_show_mem: 1 callbacks suppressed [ 680.321145] Mem-Info: [ 680.328432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.333796] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 680.333796] active_file:13 inactive_file:14 isolated_file:0 [ 680.333796] unevictable:0 dirty:0 writeback:0 unstable:0 [ 680.333796] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 680.333796] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 680.333796] free:13773 free_pcp:174 free_cma:0 [ 680.336170] Call Trace: [ 680.345562] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 680.378490] <IRQ> [ 680.381077] 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 [ 680.408575] dump_stack+0x244/0x39d [ 680.410696] lowmem_reserve[]: 0 2818 6321 6321 [ 680.436802] ? dump_stack_print_info.cold.1+0x20/0x20 [ 680.440402] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 680.445011] warn_alloc.cold.116+0xb7/0x1bd [ 680.450168] lowmem_reserve[]: 0 0 3503 3503 [ 680.477767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 680.482067] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 680.486401] ? lock_downgrade+0x900/0x900 [ 680.491229] lowmem_reserve[]: 0 0 0 0 [ 680.520117] ? trace_hardirqs_off+0xb8/0x310 [ 680.524268] 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 [ 680.528105] ? trace_hardirqs_off+0xb8/0x310 [ 680.532679] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 680.546205] __alloc_pages_slowpath+0x2651/0x2de0 [ 680.550588] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 680.566560] ? warn_alloc+0x120/0x120 [ 680.571368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 680.584970] ? print_usage_bug+0xc0/0xc0 [ 680.588749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 680.597571] ? warn_alloc+0x120/0x120 [ 680.601613] 271 total pagecache pages [ 680.610178] ? warn_alloc+0x120/0x120 [ 680.613974] 0 pages in swap cache [ 680.617759] ? print_usage_bug+0xc0/0xc0 [ 680.621560] Swap cache stats: add 0, delete 0, find 0/0 [ 680.625000] ? kvm_clock_read+0x18/0x30 [ 680.629034] Free swap = 0kB [ 680.634391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 680.638338] Total swap = 0kB [ 680.641347] ? print_usage_bug+0xc0/0xc0 [ 680.646337] 1965979 pages RAM [ 680.649349] ? __lock_acquire+0x62f/0x4c20 [ 680.653384] 0 pages HighMem/MovableOnly [ 680.656484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.660694] 342854 pages reserved [ 680.664660] ? should_fail+0x22d/0xd01 [ 680.670170] 0 pages cma reserved [ 680.673618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.677615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 680.680838] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.686204] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 680.692615] ? __lock_acquire+0x62f/0x4c20 [ 680.697708] syz-fuzzer cpuset=/ mems_allowed=0 [ 680.707929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.721798] ? __lock_acquire+0x62f/0x4c20 [ 680.726033] ? should_fail+0x22d/0xd01 [ 680.729924] ? rcu_irq_exit+0x1a2/0x390 [ 680.733924] ? mark_held_locks+0x130/0x130 [ 680.738162] ? mark_held_locks+0x130/0x130 [ 680.742402] ? mark_held_locks+0xc7/0x130 [ 680.746566] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 680.751620] ? zap_class+0x640/0x640 [ 680.755362] ? print_usage_bug+0xc0/0xc0 [ 680.759423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.764977] ? check_preemption_disabled+0x48/0x280 [ 680.770015] ? __lock_is_held+0xb5/0x140 [ 680.774091] __alloc_pages_nodemask+0xad8/0xea0 [ 680.778855] ? zap_class+0x640/0x640 [ 680.782574] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 680.787601] ? find_held_lock+0x36/0x1c0 [ 680.791671] ? ____cache_alloc_node+0x1c7/0x1e0 [ 680.796340] ? lock_downgrade+0x900/0x900 [ 680.800493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.806034] cache_grow_begin+0xa5/0x8c0 [ 680.810098] ? do_raw_spin_unlock+0xa7/0x330 [ 680.814515] fallback_alloc+0x204/0x2e0 [ 680.818492] ____cache_alloc_node+0x1c7/0x1e0 [ 680.822994] kmem_cache_alloc_node+0xe3/0x730 [ 680.827492] ? ipv6_get_ifaddr+0x42e/0x620 [ 680.831733] __alloc_skb+0x119/0x770 [ 680.835510] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.840791] ? netdev_alloc_frag+0x1f0/0x1f0 [ 680.845197] ? lock_downgrade+0x900/0x900 [ 680.849365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.854901] ? refcount_sub_and_test_checked+0x203/0x310 [ 680.860352] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 680.865817] ? addrconf_rs_timer+0x690/0x690 [ 680.870249] ndisc_alloc_skb+0x144/0x340 [ 680.874322] ndisc_send_rs+0x331/0x6e0 [ 680.878244] addrconf_rs_timer+0x314/0x690 [ 680.882482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.886746] call_timer_fn+0x272/0x920 [ 680.890663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.894901] ? process_timeout+0x40/0x40 [ 680.898970] ? __run_timers+0x7da/0xc70 [ 680.902946] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.907440] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.911935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.916180] ? lockdep_hardirqs_on+0x296/0x5b0 [ 680.920763] ? trace_hardirqs_on+0xbd/0x310 [ 680.925084] ? kasan_check_read+0x11/0x20 [ 680.929233] ? __run_timers+0x7da/0xc70 [ 680.933207] ? trace_hardirqs_off_caller+0x310/0x310 [ 680.938320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.942564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.946799] __run_timers+0x7e5/0xc70 [ 680.950610] ? timer_fixup_init+0x70/0x70 [ 680.954761] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 680.959779] ? zap_class+0x640/0x640 [ 680.963497] ? enqueue_hrtimer+0x1a5/0x560 [ 680.967734] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 680.972938] ? find_held_lock+0x36/0x1c0 [ 680.977014] ? zap_class+0x640/0x640 [ 680.980799] ? pvclock_read_flags+0x160/0x160 [ 680.985306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.990849] ? check_preemption_disabled+0x48/0x280 [ 680.995874] ? __lock_is_held+0xb5/0x140 [ 680.999939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.005476] ? check_preemption_disabled+0x48/0x280 [ 681.010497] run_timer_softirq+0x52/0xb0 [ 681.014554] ? rcu_read_lock_sched_held+0x14f/0x180 [ 681.019590] __do_softirq+0x308/0xb7e [ 681.023452] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 681.027959] ? lock_downgrade+0x900/0x900 [ 681.032142] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 681.037290] ? pvclock_read_flags+0x160/0x160 [ 681.041807] ? lapic_next_event+0x5a/0x90 [ 681.045976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.051538] ? kvm_clock_read+0x18/0x30 [ 681.055532] ? kvm_sched_clock_read+0x9/0x20 [ 681.059943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.065488] ? check_preemption_disabled+0x48/0x280 [ 681.070514] irq_exit+0x17f/0x1c0 [ 681.073969] smp_apic_timer_interrupt+0x1cb/0x760 [ 681.078811] ? smp_reschedule_interrupt+0x109/0x650 [ 681.083848] ? smp_call_function_single_interrupt+0x650/0x650 [ 681.089734] ? interrupt_entry+0xb5/0xc0 [ 681.093800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 681.098815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 681.103837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.108683] ? trace_hardirqs_on_caller+0x310/0x310 [ 681.113716] ? trace_hardirqs_on_caller+0x310/0x310 [ 681.118751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.123605] apic_timer_interrupt+0xf/0x20 [ 681.127852] </IRQ> [ 681.130109] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 681.135998] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 681.154901] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 681.162634] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 681.169914] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 681.177179] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 681.184449] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 681.191718] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 681.199022] ? save_stack+0xa9/0xd0 [ 681.202665] __kmalloc_node_track_caller+0x3c/0x70 [ 681.207599] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 681.212378] pskb_expand_head+0x230/0x10f0 [ 681.216651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 681.222108] ? memcpy+0x45/0x50 [ 681.225386] ? __copy_skb_header+0x350/0x6b0 [ 681.229795] ? skb_release_data+0x880/0x880 [ 681.234121] ? __alloc_skb+0x770/0x770 [ 681.238020] ? __lock_is_held+0xb5/0x140 [ 681.242121] ? kasan_check_write+0x14/0x20 [ 681.246365] ? __skb_clone+0x6c7/0xa00 [ 681.250255] ? __copy_skb_header+0x6b0/0x6b0 [ 681.254666] ? kmem_cache_alloc+0x33a/0x730 [ 681.258990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.264534] skb_ensure_writable+0x3dd/0x640 [ 681.268948] ? skb_checksum_setup+0xaa0/0xaa0 [ 681.273451] ? preempt_notifier_register+0x200/0x200 [ 681.278552] ? __switch_to_asm+0x34/0x70 [ 681.282625] ? __switch_to_asm+0x34/0x70 [ 681.286685] ? __switch_to_asm+0x40/0x70 [ 681.290758] ? __switch_to_asm+0x34/0x70 [ 681.294817] ? __switch_to_asm+0x40/0x70 [ 681.298878] ? __switch_to_asm+0x40/0x70 [ 681.302940] ? __switch_to_asm+0x34/0x70 [ 681.307018] ? __switch_to_asm+0x34/0x70 [ 681.311080] ? __switch_to_asm+0x40/0x70 [ 681.315140] ? __switch_to_asm+0x34/0x70 [ 681.319221] bpf_clone_redirect+0x14a/0x490 [ 681.323567] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 681.328589] ? __sched_text_start+0x8/0x8 [ 681.332738] ? retint_kernel+0x2d/0x2d [ 681.336639] ? find_held_lock+0x36/0x1c0 [ 681.340709] ? lock_acquire+0x1ed/0x520 [ 681.344687] ? bpf_test_run+0x3cb/0x780 [ 681.348662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.354203] ? check_preemption_disabled+0x48/0x280 [ 681.359225] ? kasan_check_read+0x11/0x20 [ 681.363373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 681.368654] ? rcu_softirq_qs+0x20/0x20 [ 681.372635] ? preempt_schedule+0x4d/0x60 [ 681.376788] ? ___preempt_schedule+0x16/0x18 [ 681.381204] ? bpf_test_run+0x25d/0x780 [ 681.385205] ? netlink_diag_dump+0x2a0/0x2a0 [ 681.389617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.395170] ? bpf_test_init.isra.10+0x70/0x100 [ 681.399859] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 681.404629] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 681.409470] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.415046] ? fput+0x130/0x1a0 [ 681.418347] ? __bpf_prog_get+0x9b/0x290 [ 681.422414] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 681.427261] ? bpf_prog_test_run+0x130/0x1a0 [ 681.431683] ? __x64_sys_bpf+0x3d8/0x520 [ 681.435746] ? bpf_prog_get+0x20/0x20 [ 681.439570] ? do_syscall_64+0x1b9/0x820 [ 681.443633] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 681.449014] ? syscall_return_slowpath+0x5e0/0x5e0 [ 681.453964] ? trace_hardirqs_on_caller+0x310/0x310 [ 681.458987] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 681.464010] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 681.470684] ? __switch_to_asm+0x40/0x70 [ 681.474745] ? __switch_to_asm+0x34/0x70 [ 681.478814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.483665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 681.489050] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 681.489122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 681.496075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 681.496081] Call Trace: [ 681.496102] <IRQ> [ 681.496120] dump_stack+0x244/0x39d [ 681.496138] ? dump_stack_print_info.cold.1+0x20/0x20 [ 681.502684] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 681.511968] warn_alloc.cold.116+0xb7/0x1bd [ 681.514524] syz-executor3 cpuset=syz3 mems_allowed=0 [ 681.516677] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 681.550216] ? lock_downgrade+0x900/0x900 [ 681.554404] ? trace_hardirqs_off+0xb8/0x310 [ 681.558822] ? trace_hardirqs_off+0xb8/0x310 [ 681.563270] __alloc_pages_slowpath+0x2651/0x2de0 [ 681.568180] ? warn_alloc+0x120/0x120 [ 681.571998] ? print_usage_bug+0xc0/0xc0 [ 681.576073] ? warn_alloc+0x120/0x120 [ 681.579898] ? warn_alloc+0x120/0x120 [ 681.583702] ? print_usage_bug+0xc0/0xc0 [ 681.587765] ? kvm_clock_read+0x18/0x30 [ 681.591740] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 681.596758] ? print_usage_bug+0xc0/0xc0 [ 681.600819] ? __lock_acquire+0x62f/0x4c20 [ 681.605065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.610604] ? should_fail+0x22d/0xd01 [ 681.614492] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 681.619775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.624880] ? __lock_acquire+0x62f/0x4c20 [ 681.629123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.634226] ? __lock_acquire+0x62f/0x4c20 [ 681.638479] ? should_fail+0x22d/0xd01 [ 681.642362] ? rcu_irq_exit+0x1a2/0x390 [ 681.646350] ? mark_held_locks+0x130/0x130 [ 681.650627] ? mark_held_locks+0x130/0x130 [ 681.654886] ? mark_held_locks+0xc7/0x130 [ 681.659032] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 681.664048] ? zap_class+0x640/0x640 [ 681.667764] ? print_usage_bug+0xc0/0xc0 [ 681.671831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.677370] ? check_preemption_disabled+0x48/0x280 [ 681.682398] ? __lock_is_held+0xb5/0x140 [ 681.686465] __alloc_pages_nodemask+0xad8/0xea0 [ 681.691129] ? zap_class+0x640/0x640 [ 681.694947] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 681.699974] ? find_held_lock+0x36/0x1c0 [ 681.704041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 681.708714] ? lock_downgrade+0x900/0x900 [ 681.712882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.718423] cache_grow_begin+0xa5/0x8c0 [ 681.722489] ? do_raw_spin_unlock+0xa7/0x330 [ 681.726940] fallback_alloc+0x204/0x2e0 [ 681.730923] ____cache_alloc_node+0x1c7/0x1e0 [ 681.735427] kmem_cache_alloc_node+0xe3/0x730 [ 681.739925] ? ipv6_get_ifaddr+0x42e/0x620 [ 681.744172] __alloc_skb+0x119/0x770 [ 681.747886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 681.753181] ? netdev_alloc_frag+0x1f0/0x1f0 [ 681.757607] ? lock_downgrade+0x900/0x900 [ 681.761779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.767316] ? refcount_sub_and_test_checked+0x203/0x310 [ 681.772770] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 681.778223] ? addrconf_rs_timer+0x690/0x690 [ 681.782656] ndisc_alloc_skb+0x144/0x340 [ 681.786724] ndisc_send_rs+0x331/0x6e0 [ 681.790619] addrconf_rs_timer+0x314/0x690 [ 681.794860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 681.799108] call_timer_fn+0x272/0x920 [ 681.802996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 681.807228] ? process_timeout+0x40/0x40 [ 681.811319] ? mark_held_locks+0xc7/0x130 [ 681.815471] ? _raw_spin_unlock_irq+0x27/0x80 [ 681.819964] ? _raw_spin_unlock_irq+0x27/0x80 [ 681.824456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 681.828689] ? lockdep_hardirqs_on+0x296/0x5b0 [ 681.833269] ? trace_hardirqs_on+0xbd/0x310 [ 681.837611] ? kasan_check_read+0x11/0x20 [ 681.841780] ? __run_timers+0x7da/0xc70 [ 681.845756] ? trace_hardirqs_off_caller+0x310/0x310 [ 681.850903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 681.855143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 681.859377] __run_timers+0x7e5/0xc70 [ 681.863185] ? timer_fixup_init+0x70/0x70 [ 681.867335] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 681.872354] ? zap_class+0x640/0x640 [ 681.876071] ? print_usage_bug+0xc0/0xc0 [ 681.880136] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 681.885354] ? find_held_lock+0x36/0x1c0 [ 681.889420] ? zap_class+0x640/0x640 [ 681.893141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.898681] ? check_preemption_disabled+0x48/0x280 [ 681.903710] ? __lock_is_held+0xb5/0x140 [ 681.907787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.913339] ? check_preemption_disabled+0x48/0x280 [ 681.918394] run_timer_softirq+0x52/0xb0 [ 681.922459] ? rcu_read_lock_sched_held+0x14f/0x180 [ 681.927480] __do_softirq+0x308/0xb7e [ 681.931293] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 681.935806] ? lock_downgrade+0x900/0x900 [ 681.939962] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 681.945072] ? pvclock_read_flags+0x160/0x160 [ 681.949577] ? lapic_next_event+0x5a/0x90 [ 681.953728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.959270] ? kvm_clock_read+0x18/0x30 [ 681.963478] ? kvm_sched_clock_read+0x9/0x20 [ 681.967893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.973434] ? check_preemption_disabled+0x48/0x280 [ 681.978463] irq_exit+0x17f/0x1c0 [ 681.981919] smp_apic_timer_interrupt+0x1cb/0x760 [ 681.986795] ? smp_call_function_single_interrupt+0x159/0x650 [ 681.992681] ? smp_call_function_single_interrupt+0x650/0x650 [ 681.998567] ? interrupt_entry+0xb5/0xc0 [ 682.002631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.007661] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.012681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.017521] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.022546] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.027569] ? task_prio+0x50/0x50 [ 682.031124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.036669] ? check_preemption_disabled+0x48/0x280 [ 682.041691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.046566] apic_timer_interrupt+0xf/0x20 [ 682.050798] </IRQ> [ 682.053050] RIP: 0010:rcu_is_watching+0x0/0x30 [ 682.057635] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 682.076532] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 682.084250] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 682.091537] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 682.098973] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 682.106241] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 682.113509] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 682.120800] ? list_lru_count_one+0x253/0x450 [ 682.125325] ? list_lru_count_one+0x35d/0x450 [ 682.129825] ? list_lru_count_one+0x362/0x450 [ 682.134319] ? list_lru_isolate_move+0x3c0/0x3c0 [ 682.139073] ? shmem_free_inode+0xd0/0xd0 [ 682.143241] ? __lock_is_held+0xb5/0x140 [ 682.147333] super_cache_count+0x1b9/0x2e0 [ 682.151606] do_shrink_slab+0x1b1/0xd30 [ 682.155618] ? snapshot_refaults+0x290/0x290 [ 682.160041] ? lock_release+0xa00/0xa00 [ 682.164039] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 682.168980] ? down_read_trylock+0xda/0x140 [ 682.173319] ? shrink_slab+0x207/0x8c0 [ 682.177212] ? downgrade_write+0x270/0x270 [ 682.181470] shrink_slab+0x389/0x8c0 [ 682.185183] ? shrink_active_list+0x1f00/0x1f00 [ 682.189859] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 682.195505] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 682.200618] ? cgroup_procs_write_finish+0xf0/0xf0 [ 682.205589] ? find_held_lock+0x36/0x1c0 [ 682.209664] shrink_node+0x431/0x16b0 [ 682.213466] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 682.218768] ? shrink_node_memcg+0x18f0/0x18f0 [ 682.223371] ? kvm_clock_read+0x18/0x30 [ 682.227346] ? ktime_get+0x2c1/0x400 [ 682.231069] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 682.235573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 682.241112] ? __cpuset_node_allowed+0x19b/0x660 [ 682.245872] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 682.251587] ? delayacct_end+0x5a/0x100 [ 682.255580] do_try_to_free_pages+0x3e7/0x1290 [ 682.260167] ? zap_class+0x640/0x640 [ 682.263898] ? shrink_node+0x16b0/0x16b0 [ 682.267976] ? __lock_is_held+0xb5/0x140 [ 682.272052] try_to_free_pages+0x4d0/0xb90 [ 682.276312] ? do_try_to_free_pages+0x1290/0x1290 [ 682.281166] ? lock_acquire+0x1ed/0x520 [ 682.285158] ? set_page_refcounted+0x280/0x280 [ 682.289749] ? lock_release+0xa00/0xa00 [ 682.293722] ? _raw_spin_unlock_irq+0x60/0x80 [ 682.298213] ? psi_memstall_enter+0x240/0x2b0 [ 682.302710] ? psi_memstall_tick+0x230/0x230 [ 682.307133] __alloc_pages_slowpath+0xa48/0x2de0 [ 682.311934] ? warn_alloc+0x120/0x120 [ 682.315745] ? mark_held_locks+0x130/0x130 [ 682.319987] ? find_get_entry+0xaae/0x1120 [ 682.324276] ? filemap_map_pages+0x1a20/0x1a20 [ 682.328889] ? zap_class+0x640/0x640 [ 682.332629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.338180] ? check_preemption_disabled+0x48/0x280 [ 682.343196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.348776] ? should_fail+0x22d/0xd01 [ 682.352681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.357791] ? zap_class+0x640/0x640 [ 682.361534] ? __lock_is_held+0xb5/0x140 [ 682.365615] ? mark_held_locks+0x130/0x130 [ 682.369860] ? lock_release+0xa00/0xa00 [ 682.373837] ? perf_trace_sched_process_exec+0x860/0x860 [ 682.379296] ? xa_load+0x2ba/0x460 [ 682.382841] ? lock_downgrade+0x900/0x900 [ 682.386994] ? __might_sleep+0x95/0x190 [ 682.390981] __alloc_pages_nodemask+0xad8/0xea0 [ 682.395663] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 682.400682] ? __page_cache_alloc+0x191/0x5c0 [ 682.405176] ? xa_load+0x2e1/0x460 [ 682.408720] ? xa_clear_mark+0x40/0x40 [ 682.412614] ? zap_class+0x640/0x640 [ 682.416340] ? zap_class+0x640/0x640 [ 682.420055] ? zap_class+0x640/0x640 [ 682.423777] ? __do_page_cache_readahead+0x663/0x810 [ 682.428890] ? find_held_lock+0x36/0x1c0 [ 682.432961] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 682.438511] alloc_pages_current+0x173/0x350 [ 682.442934] __page_cache_alloc+0x38c/0x5c0 [ 682.447258] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.452196] ? kasan_check_read+0x11/0x20 [ 682.456348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.461632] ? generic_perform_write+0x6a0/0x6a0 [ 682.466394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.471935] ? check_preemption_disabled+0x48/0x280 [ 682.476962] filemap_fault+0x1595/0x25f0 [ 682.481071] ? __lock_page_or_retry+0xa00/0xa00 [ 682.485752] ? mark_held_locks+0x130/0x130 [ 682.489998] ? filemap_map_pages+0xd6b/0x1a20 [ 682.494496] ? lock_downgrade+0x900/0x900 [ 682.498648] ? check_preemption_disabled+0x48/0x280 [ 682.503668] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.508602] ? kasan_check_read+0x11/0x20 [ 682.512753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.518059] ? rcu_softirq_qs+0x20/0x20 [ 682.522048] ? filemap_map_pages+0xd92/0x1a20 [ 682.526564] ? find_get_entries_tag+0x1400/0x1400 [ 682.531425] ? debug_object_destroy+0x2b0/0x2b0 [ 682.536099] ? lock_pi_update_atomic+0x150/0x150 [ 682.540859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.546414] ? lock_acquire+0x1ed/0x520 [ 682.550390] ? ext4_filemap_fault+0x7a/0xad [ 682.554720] ? lock_release+0xa00/0xa00 [ 682.558695] ? perf_trace_sched_process_exec+0x860/0x860 [ 682.564150] ? print_usage_bug+0xc0/0xc0 [ 682.568212] ? print_usage_bug+0xc0/0xc0 [ 682.572297] ? down_read+0x8d/0x120 [ 682.575922] ? ext4_filemap_fault+0x7a/0xad [ 682.580243] ? __down_interruptible+0x700/0x700 [ 682.584925] ext4_filemap_fault+0x82/0xad [ 682.589078] __do_fault+0x100/0x6b0 [ 682.592719] ? release_sock+0x1ec/0x2c0 [ 682.596697] ? pmd_devmap_trans_unstable+0x220/0x220 [ 682.601806] ? mark_held_locks+0x130/0x130 [ 682.606042] ? mark_held_locks+0x130/0x130 [ 682.610273] ? lock_sock_nested+0x9a/0x120 [ 682.614518] ? __release_sock+0x3a0/0x3a0 [ 682.618673] ? __local_bh_enable_ip+0x160/0x260 [ 682.623347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.628895] __handle_mm_fault+0x3ea0/0x5be0 [ 682.633319] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 682.638182] ? apparmor_socket_sendmsg+0x29/0x30 [ 682.642939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.648487] ? security_socket_sendmsg+0x94/0xc0 [ 682.657240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.662795] ? zap_class+0x640/0x640 [ 682.666512] ? zap_class+0x640/0x640 [ 682.670229] ? __x64_sys_futex+0x53e/0x6a0 [ 682.674489] ? find_held_lock+0x36/0x1c0 [ 682.678568] ? handle_mm_fault+0x42a/0xc70 [ 682.682807] ? lock_downgrade+0x900/0x900 [ 682.686959] ? check_preemption_disabled+0x48/0x280 [ 682.691979] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.696915] ? kasan_check_read+0x11/0x20 [ 682.701066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.706345] ? rcu_softirq_qs+0x20/0x20 [ 682.710322] ? trace_hardirqs_off_caller+0x310/0x310 [ 682.715433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.720975] ? check_preemption_disabled+0x48/0x280 [ 682.726029] handle_mm_fault+0x54f/0xc70 [ 682.730100] ? __handle_mm_fault+0x5be0/0x5be0 [ 682.734689] ? find_vma+0x34/0x190 [ 682.738251] __do_page_fault+0x5e8/0xe60 [ 682.743742] ? trace_hardirqs_off+0xb8/0x310 [ 682.748183] ? __ia32_sys_read+0xb0/0xb0 [ 682.752275] do_page_fault+0xf2/0x7e0 [ 682.756101] ? vmalloc_sync_all+0x30/0x30 [ 682.760248] ? error_entry+0x70/0xd0 [ 682.763971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.768989] ? trace_hardirqs_on_caller+0xc0/0x310 [ 682.773920] ? syscall_return_slowpath+0x5e0/0x5e0 [ 682.778851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.783694] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.788706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 682.794158] ? prepare_exit_to_usermode+0x291/0x3b0 [ 682.799177] ? page_fault+0x8/0x30 [ 682.802722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.807569] ? page_fault+0x8/0x30 [ 682.811110] page_fault+0x1e/0x30 [ 682.814579] RIP: 0033:0x45ddf3 [ 682.817784] Code: Bad RIP value. [ 682.821147] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 682.826508] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 682.833778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 682.841042] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 682.848325] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 682.855595] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 682.862919] warn_alloc_show_mem: 1 callbacks suppressed [ 682.862931] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 682.862933] Mem-Info: [ 682.862964] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 682.862964] active_file:13 inactive_file:14 isolated_file:0 [ 682.862964] unevictable:0 dirty:0 writeback:0 unstable:0 [ 682.862964] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 682.862964] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 682.862964] free:13773 free_pcp:174 free_cma:0 [ 682.868314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.875592] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 682.877992] Call Trace: [ 682.910944] 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 [ 682.920295] <IRQ> [ 682.947778] lowmem_reserve[]: 0 2818 6321 6321 [ 682.950365] dump_stack+0x244/0x39d [ 682.976448] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 682.978603] ? dump_stack_print_info.cold.1+0x20/0x20 [ 682.983157] lowmem_reserve[]: 0 0 3503 3503 [ 682.986789] warn_alloc.cold.116+0xb7/0x1bd [ 683.014258] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 683.019447] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 683.023741] lowmem_reserve[]: 0 0 0 0 [ 683.028059] ? lock_downgrade+0x900/0x900 [ 683.056935] 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 [ 683.061779] ? trace_hardirqs_off+0xb8/0x310 [ 683.065555] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 683.069699] ? trace_hardirqs_off+0xb8/0x310 [ 683.083194] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 683.087601] __alloc_pages_slowpath+0x2651/0x2de0 [ 683.103530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 683.107960] ? warn_alloc+0x120/0x120 [ 683.121553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 683.126403] ? warn_alloc+0x120/0x120 [ 683.135214] 271 total pagecache pages [ 683.139024] ? mark_held_locks+0x130/0x130 [ 683.147580] 0 pages in swap cache [ 683.151370] ? warn_alloc+0x120/0x120 [ 683.155153] Swap cache stats: add 0, delete 0, find 0/0 [ 683.159380] ? print_usage_bug+0xc0/0xc0 [ 683.162807] Free swap = 0kB [ 683.166603] ? print_usage_bug+0xc0/0xc0 [ 683.171942] Total swap = 0kB [ 683.175999] ? zap_class+0x640/0x640 [ 683.178994] 1965979 pages RAM [ 683.183069] ? print_usage_bug+0xc0/0xc0 [ 683.186068] 0 pages HighMem/MovableOnly [ 683.189792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.192887] 342854 pages reserved [ 683.196942] ? should_fail+0x22d/0xd01 [ 683.200889] 0 pages cma reserved [ 683.206418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 683.209928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 683.213742] ? __lock_acquire+0x62f/0x4c20 [ 683.213762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 683.213778] ? __lock_acquire+0x62f/0x4c20 [ 683.217308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 683.222219] ? should_fail+0x22d/0xd01 [ 683.228685] syz-fuzzer cpuset=/ mems_allowed=0 [ 683.232917] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 683.265923] ? mark_held_locks+0x130/0x130 [ 683.270166] ? mark_held_locks+0x130/0x130 [ 683.274414] ? zap_class+0x640/0x640 [ 683.278171] ? __lock_acquire+0x62f/0x4c20 [ 683.282422] ? __lock_acquire+0x62f/0x4c20 [ 683.286663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.292219] ? check_preemption_disabled+0x48/0x280 [ 683.297247] ? __lock_is_held+0xb5/0x140 [ 683.301345] __alloc_pages_nodemask+0xad8/0xea0 [ 683.306017] ? zap_class+0x640/0x640 [ 683.309746] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 683.314790] ? find_held_lock+0x36/0x1c0 [ 683.318863] ? ____cache_alloc_node+0x1c7/0x1e0 [ 683.323533] ? lock_downgrade+0x900/0x900 [ 683.327686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.333255] cache_grow_begin+0xa5/0x8c0 [ 683.337330] ? do_raw_spin_unlock+0xa7/0x330 [ 683.341746] fallback_alloc+0x204/0x2e0 [ 683.345727] ____cache_alloc_node+0x1c7/0x1e0 [ 683.350231] kmem_cache_alloc+0x1f8/0x730 [ 683.354391] __build_skb+0xab/0x430 [ 683.358019] ? skb_try_coalesce+0x1b70/0x1b70 [ 683.362517] ? trace_hardirqs_on+0xbd/0x310 [ 683.366842] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 683.371950] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 683.377486] ? trace_hardirqs_off_caller+0x310/0x310 [ 683.382593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.388132] ? check_preemption_disabled+0x48/0x280 [ 683.393159] __netdev_alloc_skb+0x2b5/0x450 [ 683.397493] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 683.402856] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 683.407975] ? mod_timer+0x631/0x1560 [ 683.411786] ? wake_up_klogd+0x180/0x180 [ 683.415853] ? br_send_bpdu_finish+0x20/0x20 [ 683.420312] ? mark_held_locks+0x130/0x130 [ 683.424548] ? __lock_acquire+0x62f/0x4c20 [ 683.428784] ? lockdep_hardirqs_on+0x240/0x5b0 [ 683.433375] ? kasan_check_read+0x11/0x20 [ 683.437532] br_send_config_bpdu+0xc9d/0x10a0 [ 683.442031] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 683.447677] br_transmit_config+0x8cd/0xbb0 [ 683.451997] ? find_held_lock+0x36/0x1c0 [ 683.456081] ? br_get_port+0x280/0x280 [ 683.459972] ? lock_acquire+0x1ed/0x520 [ 683.463946] ? br_hello_timer_expired+0x20/0x190 [ 683.468717] ? kasan_check_read+0x11/0x20 [ 683.472915] br_config_bpdu_generation+0x16a/0x1c0 [ 683.477848] br_hello_timer_expired+0xa9/0x190 [ 683.482437] call_timer_fn+0x272/0x920 [ 683.486324] ? br_is_root_bridge+0x40/0x40 [ 683.490560] ? process_timeout+0x40/0x40 [ 683.494631] ? __run_timers+0x7da/0xc70 [ 683.498640] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.503138] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.507660] ? br_is_root_bridge+0x40/0x40 [ 683.511898] ? lockdep_hardirqs_on+0x296/0x5b0 [ 683.516519] ? trace_hardirqs_on+0xbd/0x310 [ 683.520865] ? kasan_check_read+0x11/0x20 [ 683.525012] ? __run_timers+0x7da/0xc70 [ 683.528995] ? trace_hardirqs_off_caller+0x310/0x310 [ 683.534127] ? br_is_root_bridge+0x40/0x40 [ 683.538361] __run_timers+0x7e5/0xc70 [ 683.542174] ? timer_fixup_init+0x70/0x70 [ 683.546322] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 683.551335] ? zap_class+0x640/0x640 [ 683.555053] ? enqueue_hrtimer+0x1a5/0x560 [ 683.559303] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 683.564505] ? find_held_lock+0x36/0x1c0 [ 683.568573] ? zap_class+0x640/0x640 [ 683.572313] ? pvclock_read_flags+0x160/0x160 [ 683.576814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.582353] ? check_preemption_disabled+0x48/0x280 [ 683.587378] ? __lock_is_held+0xb5/0x140 [ 683.591455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.596997] ? check_preemption_disabled+0x48/0x280 [ 683.602022] run_timer_softirq+0x52/0xb0 [ 683.606098] ? rcu_read_lock_sched_held+0x14f/0x180 [ 683.611120] __do_softirq+0x308/0xb7e [ 683.614942] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 683.619438] ? lock_downgrade+0x900/0x900 [ 683.623587] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 683.628698] ? pvclock_read_flags+0x160/0x160 [ 683.633196] ? lapic_next_event+0x5a/0x90 [ 683.637343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.642882] ? kvm_clock_read+0x18/0x30 [ 683.646882] ? kvm_sched_clock_read+0x9/0x20 [ 683.651329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.656876] ? check_preemption_disabled+0x48/0x280 [ 683.661904] irq_exit+0x17f/0x1c0 [ 683.665361] smp_apic_timer_interrupt+0x1cb/0x760 [ 683.670202] ? smp_reschedule_interrupt+0x109/0x650 [ 683.675223] ? smp_call_function_single_interrupt+0x650/0x650 [ 683.681126] ? interrupt_entry+0xb5/0xc0 [ 683.685208] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.690225] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.695359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.700202] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.705308] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.710346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.715222] apic_timer_interrupt+0xf/0x20 [ 683.719446] </IRQ> [ 683.721682] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 683.727578] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 683.746472] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 683.754175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 683.761439] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 683.768699] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 683.775965] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 683.783232] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 683.790531] ? save_stack+0xa9/0xd0 [ 683.794166] __kmalloc_node_track_caller+0x3c/0x70 [ 683.799098] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 683.803858] pskb_expand_head+0x230/0x10f0 [ 683.808098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 683.813551] ? memcpy+0x45/0x50 [ 683.816833] ? __copy_skb_header+0x350/0x6b0 [ 683.821243] ? skb_release_data+0x880/0x880 [ 683.825571] ? __alloc_skb+0x770/0x770 [ 683.829470] ? __lock_is_held+0xb5/0x140 [ 683.833539] ? kasan_check_write+0x14/0x20 [ 683.837767] ? __skb_clone+0x6c7/0xa00 [ 683.841651] ? __copy_skb_header+0x6b0/0x6b0 [ 683.846060] ? kmem_cache_alloc+0x33a/0x730 [ 683.850398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.855967] skb_ensure_writable+0x3dd/0x640 [ 683.860392] ? skb_checksum_setup+0xaa0/0xaa0 [ 683.864890] ? preempt_notifier_register+0x200/0x200 [ 683.869987] ? __switch_to_asm+0x34/0x70 [ 683.874076] ? __switch_to_asm+0x34/0x70 [ 683.878151] ? __switch_to_asm+0x40/0x70 [ 683.882222] ? __switch_to_asm+0x34/0x70 [ 683.886288] ? __switch_to_asm+0x40/0x70 [ 683.890347] ? __switch_to_asm+0x40/0x70 [ 683.894402] ? __switch_to_asm+0x34/0x70 [ 683.898466] ? __switch_to_asm+0x34/0x70 [ 683.902532] ? __switch_to_asm+0x40/0x70 [ 683.906595] ? __switch_to_asm+0x34/0x70 [ 683.910689] bpf_clone_redirect+0x14a/0x490 [ 683.915023] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 683.920053] ? __sched_text_start+0x8/0x8 [ 683.924229] ? retint_kernel+0x2d/0x2d [ 683.928140] ? find_held_lock+0x36/0x1c0 [ 683.932229] ? lock_acquire+0x1ed/0x520 [ 683.936223] ? bpf_test_run+0x3cb/0x780 [ 683.940201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.945738] ? check_preemption_disabled+0x48/0x280 [ 683.950775] ? kasan_check_read+0x11/0x20 [ 683.954935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 683.960215] ? rcu_softirq_qs+0x20/0x20 [ 683.964344] ? preempt_schedule+0x4d/0x60 [ 683.968494] ? ___preempt_schedule+0x16/0x18 [ 683.972916] ? bpf_test_run+0x25d/0x780 [ 683.976906] ? netlink_diag_dump+0x2a0/0x2a0 [ 683.981324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.986875] ? bpf_test_init.isra.10+0x70/0x100 [ 683.991558] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 683.996328] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 684.001177] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.006710] ? fput+0x130/0x1a0 [ 684.010002] ? __bpf_prog_get+0x9b/0x290 [ 684.014068] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 684.018922] ? bpf_prog_test_run+0x130/0x1a0 [ 684.023327] ? __x64_sys_bpf+0x3d8/0x520 [ 684.027384] ? bpf_prog_get+0x20/0x20 [ 684.031204] ? do_syscall_64+0x1b9/0x820 [ 684.035261] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 684.040642] ? syscall_return_slowpath+0x5e0/0x5e0 [ 684.045569] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.050581] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 684.055595] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 684.062260] ? __switch_to_asm+0x40/0x70 [ 684.066335] ? __switch_to_asm+0x34/0x70 [ 684.070426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.075272] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 684.080699] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 684.080821] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 684.087731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.098703] syz-executor3 cpuset=syz3 mems_allowed=0 [ 684.108051] Call Trace: [ 684.115706] <IRQ> [ 684.117854] dump_stack+0x244/0x39d [ 684.121492] ? dump_stack_print_info.cold.1+0x20/0x20 [ 684.126709] warn_alloc.cold.116+0xb7/0x1bd [ 684.131034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 684.135935] ? lock_downgrade+0x900/0x900 [ 684.140104] ? trace_hardirqs_off+0xb8/0x310 [ 684.144532] ? trace_hardirqs_off+0xb8/0x310 [ 684.148991] __alloc_pages_slowpath+0x2651/0x2de0 [ 684.153897] ? warn_alloc+0x120/0x120 [ 684.157717] ? print_usage_bug+0xc0/0xc0 [ 684.161779] ? warn_alloc+0x120/0x120 [ 684.165584] ? warn_alloc+0x120/0x120 [ 684.169388] ? print_usage_bug+0xc0/0xc0 [ 684.173450] ? print_usage_bug+0xc0/0xc0 [ 684.177597] ? print_usage_bug+0xc0/0xc0 [ 684.181658] ? print_usage_bug+0xc0/0xc0 [ 684.185736] ? __lock_acquire+0x62f/0x4c20 [ 684.189983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.195524] ? should_fail+0x22d/0xd01 [ 684.199417] ? __lock_acquire+0x62f/0x4c20 [ 684.203658] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.208762] ? __lock_acquire+0x62f/0x4c20 [ 684.213004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.218108] ? __lock_acquire+0x62f/0x4c20 [ 684.222343] ? should_fail+0x22d/0xd01 [ 684.226244] ? mark_held_locks+0x130/0x130 [ 684.230491] ? mark_held_locks+0x130/0x130 [ 684.234728] ? zap_class+0x640/0x640 [ 684.238453] ? zap_class+0x640/0x640 [ 684.242167] ? print_usage_bug+0xc0/0xc0 [ 684.246228] ? wq_watchdog_touch+0x9c/0xfe [ 684.250498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.256052] ? check_preemption_disabled+0x48/0x280 [ 684.261074] ? __lock_is_held+0xb5/0x140 [ 684.265143] __alloc_pages_nodemask+0xad8/0xea0 [ 684.269832] ? zap_class+0x640/0x640 [ 684.273555] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 684.278586] ? find_held_lock+0x36/0x1c0 [ 684.282681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 684.287369] ? lock_downgrade+0x900/0x900 [ 684.291528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.297101] cache_grow_begin+0xa5/0x8c0 [ 684.301179] ? do_raw_spin_unlock+0xa7/0x330 [ 684.305598] fallback_alloc+0x204/0x2e0 [ 684.309585] ____cache_alloc_node+0x1c7/0x1e0 [ 684.314100] kmem_cache_alloc_node+0xe3/0x730 [ 684.318596] ? ipv6_get_ifaddr+0x42e/0x620 [ 684.322845] __alloc_skb+0x119/0x770 [ 684.326561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 684.331857] ? netdev_alloc_frag+0x1f0/0x1f0 [ 684.336269] ? lock_downgrade+0x900/0x900 [ 684.340434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.346013] ? refcount_sub_and_test_checked+0x203/0x310 [ 684.351482] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 684.356950] ? addrconf_rs_timer+0x690/0x690 [ 684.361389] ndisc_alloc_skb+0x144/0x340 [ 684.365458] ndisc_send_rs+0x331/0x6e0 [ 684.369380] addrconf_rs_timer+0x314/0x690 [ 684.373649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.377898] call_timer_fn+0x272/0x920 [ 684.381785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.386026] ? process_timeout+0x40/0x40 [ 684.390102] ? mark_held_locks+0xc7/0x130 [ 684.394258] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.398764] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.403258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.407503] ? lockdep_hardirqs_on+0x296/0x5b0 [ 684.412109] ? trace_hardirqs_on+0xbd/0x310 [ 684.416437] ? kasan_check_read+0x11/0x20 [ 684.420585] ? __run_timers+0x7da/0xc70 [ 684.424565] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.429681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.433913] __run_timers+0x7e5/0xc70 [ 684.437739] ? timer_fixup_init+0x70/0x70 [ 684.441892] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.446915] ? zap_class+0x640/0x640 [ 684.450639] ? print_usage_bug+0xc0/0xc0 [ 684.454705] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 684.459900] ? find_held_lock+0x36/0x1c0 [ 684.463966] ? zap_class+0x640/0x640 [ 684.467684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.473220] ? check_preemption_disabled+0x48/0x280 [ 684.478247] ? __lock_is_held+0xb5/0x140 [ 684.482320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.487876] ? check_preemption_disabled+0x48/0x280 [ 684.492927] run_timer_softirq+0x52/0xb0 [ 684.497020] ? rcu_read_lock_sched_held+0x14f/0x180 [ 684.502040] __do_softirq+0x308/0xb7e [ 684.505849] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 684.510343] ? lock_downgrade+0x900/0x900 [ 684.514499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 684.519613] ? pvclock_read_flags+0x160/0x160 [ 684.524124] ? lapic_next_event+0x5a/0x90 [ 684.528275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.533829] ? kvm_clock_read+0x18/0x30 [ 684.537812] ? kvm_sched_clock_read+0x9/0x20 [ 684.542244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.547783] ? check_preemption_disabled+0x48/0x280 [ 684.552812] irq_exit+0x17f/0x1c0 [ 684.556272] smp_apic_timer_interrupt+0x1cb/0x760 [ 684.561124] ? smp_call_function_single_interrupt+0x159/0x650 [ 684.567013] ? smp_call_function_single_interrupt+0x650/0x650 [ 684.572923] ? interrupt_entry+0xb5/0xc0 [ 684.576988] ? trace_hardirqs_off_caller+0xbb/0x310 [ 684.582005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 684.587036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.591883] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.596900] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.601928] ? task_prio+0x50/0x50 [ 684.605495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.611035] ? check_preemption_disabled+0x48/0x280 [ 684.616072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.620927] apic_timer_interrupt+0xf/0x20 [ 684.625155] </IRQ> [ 684.627393] RIP: 0010:rcu_is_watching+0x0/0x30 [ 684.631983] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 684.650895] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 684.658607] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 684.665873] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 684.673139] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 684.680445] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 684.687711] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 684.695003] ? list_lru_count_one+0x253/0x450 [ 684.699498] ? list_lru_count_one+0x35d/0x450 [ 684.704004] ? list_lru_count_one+0x362/0x450 [ 684.708500] ? list_lru_isolate_move+0x3c0/0x3c0 [ 684.713258] ? shmem_free_inode+0xd0/0xd0 [ 684.717464] ? __lock_is_held+0xb5/0x140 [ 684.721532] super_cache_count+0x1b9/0x2e0 [ 684.725779] do_shrink_slab+0x1b1/0xd30 [ 684.729794] ? snapshot_refaults+0x290/0x290 [ 684.734220] ? lock_release+0xa00/0xa00 [ 684.738203] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 684.743142] ? down_read_trylock+0xda/0x140 [ 684.747722] ? shrink_slab+0x207/0x8c0 [ 684.751611] ? downgrade_write+0x270/0x270 [ 684.755860] shrink_slab+0x389/0x8c0 [ 684.759577] ? shrink_active_list+0x1f00/0x1f00 [ 684.764252] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 684.769884] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 684.774994] ? cgroup_procs_write_finish+0xf0/0xf0 [ 684.779932] ? find_held_lock+0x36/0x1c0 [ 684.784003] shrink_node+0x431/0x16b0 [ 684.787806] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 684.793112] ? shrink_node_memcg+0x18f0/0x18f0 [ 684.797727] ? kvm_clock_read+0x18/0x30 [ 684.801718] ? ktime_get+0x2c1/0x400 [ 684.805450] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 684.809948] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.815485] ? __cpuset_node_allowed+0x19b/0x660 [ 684.820260] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 684.825976] ? delayacct_end+0x5a/0x100 [ 684.829960] do_try_to_free_pages+0x3e7/0x1290 [ 684.834562] ? zap_class+0x640/0x640 [ 684.838302] ? shrink_node+0x16b0/0x16b0 [ 684.842368] ? __lock_is_held+0xb5/0x140 [ 684.846455] try_to_free_pages+0x4d0/0xb90 [ 684.850694] ? do_try_to_free_pages+0x1290/0x1290 [ 684.855559] ? lock_acquire+0x1ed/0x520 [ 684.859534] ? set_page_refcounted+0x280/0x280 [ 684.864126] ? lock_release+0xa00/0xa00 [ 684.868103] ? _raw_spin_unlock_irq+0x60/0x80 [ 684.872614] ? psi_memstall_enter+0x240/0x2b0 [ 684.877108] ? psi_memstall_tick+0x230/0x230 [ 684.881531] __alloc_pages_slowpath+0xa48/0x2de0 [ 684.886327] ? warn_alloc+0x120/0x120 [ 684.890131] ? mark_held_locks+0x130/0x130 [ 684.894377] ? find_get_entry+0xaae/0x1120 [ 684.898654] ? filemap_map_pages+0x1a20/0x1a20 [ 684.903240] ? zap_class+0x640/0x640 [ 684.906981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.912520] ? check_preemption_disabled+0x48/0x280 [ 684.917547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.923107] ? should_fail+0x22d/0xd01 [ 684.927002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.932106] ? zap_class+0x640/0x640 [ 684.935846] ? __lock_is_held+0xb5/0x140 [ 684.939917] ? mark_held_locks+0x130/0x130 [ 684.944153] ? lock_release+0xa00/0xa00 [ 684.948127] ? perf_trace_sched_process_exec+0x860/0x860 [ 684.953576] ? xa_load+0x2ba/0x460 [ 684.957119] ? lock_downgrade+0x900/0x900 [ 684.961314] ? __might_sleep+0x95/0x190 [ 684.965319] __alloc_pages_nodemask+0xad8/0xea0 [ 684.970029] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 684.975053] ? __page_cache_alloc+0x191/0x5c0 [ 684.979555] ? xa_load+0x2e1/0x460 [ 684.983095] ? xa_clear_mark+0x40/0x40 [ 684.987013] ? zap_class+0x640/0x640 [ 684.990768] ? zap_class+0x640/0x640 [ 684.994480] ? zap_class+0x640/0x640 [ 684.998208] ? __do_page_cache_readahead+0x663/0x810 [ 685.003324] ? find_held_lock+0x36/0x1c0 [ 685.007398] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 685.012979] alloc_pages_current+0x173/0x350 [ 685.017416] __page_cache_alloc+0x38c/0x5c0 [ 685.021739] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.026667] ? kasan_check_read+0x11/0x20 [ 685.030815] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.036095] ? generic_perform_write+0x6a0/0x6a0 [ 685.040852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.046397] ? check_preemption_disabled+0x48/0x280 [ 685.051423] filemap_fault+0x1595/0x25f0 [ 685.055501] ? __lock_page_or_retry+0xa00/0xa00 [ 685.060176] ? mark_held_locks+0x130/0x130 [ 685.064420] ? filemap_map_pages+0xd6b/0x1a20 [ 685.068916] ? lock_downgrade+0x900/0x900 [ 685.073065] ? check_preemption_disabled+0x48/0x280 [ 685.078086] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.083016] ? kasan_check_read+0x11/0x20 [ 685.087162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.092436] ? rcu_softirq_qs+0x20/0x20 [ 685.096429] ? filemap_map_pages+0xd92/0x1a20 [ 685.100939] ? find_get_entries_tag+0x1400/0x1400 [ 685.105788] ? debug_object_destroy+0x2b0/0x2b0 [ 685.110467] ? lock_pi_update_atomic+0x150/0x150 [ 685.115237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.120813] ? lock_acquire+0x1ed/0x520 [ 685.124784] ? ext4_filemap_fault+0x7a/0xad [ 685.129111] ? lock_release+0xa00/0xa00 [ 685.133085] ? perf_trace_sched_process_exec+0x860/0x860 [ 685.138538] ? print_usage_bug+0xc0/0xc0 [ 685.142612] ? print_usage_bug+0xc0/0xc0 [ 685.146703] ? down_read+0x8d/0x120 [ 685.150326] ? ext4_filemap_fault+0x7a/0xad [ 685.154653] ? __down_interruptible+0x700/0x700 [ 685.159339] ext4_filemap_fault+0x82/0xad [ 685.163509] __do_fault+0x100/0x6b0 [ 685.167143] ? release_sock+0x1ec/0x2c0 [ 685.171152] ? pmd_devmap_trans_unstable+0x220/0x220 [ 685.176256] ? mark_held_locks+0x130/0x130 [ 685.180499] ? mark_held_locks+0x130/0x130 [ 685.184730] ? lock_sock_nested+0x9a/0x120 [ 685.188960] ? __release_sock+0x3a0/0x3a0 [ 685.193137] ? __local_bh_enable_ip+0x160/0x260 [ 685.198438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.203982] __handle_mm_fault+0x3ea0/0x5be0 [ 685.208402] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 685.213246] ? apparmor_socket_sendmsg+0x29/0x30 [ 685.218024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.223566] ? security_socket_sendmsg+0x94/0xc0 [ 685.228332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.233887] ? zap_class+0x640/0x640 [ 685.237604] ? zap_class+0x640/0x640 [ 685.241320] ? __x64_sys_futex+0x53e/0x6a0 [ 685.245565] ? find_held_lock+0x36/0x1c0 [ 685.249662] ? handle_mm_fault+0x42a/0xc70 [ 685.253900] ? lock_downgrade+0x900/0x900 [ 685.258055] ? check_preemption_disabled+0x48/0x280 [ 685.263076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.268021] ? kasan_check_read+0x11/0x20 [ 685.272193] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.277517] ? rcu_softirq_qs+0x20/0x20 [ 685.281499] ? trace_hardirqs_off_caller+0x310/0x310 [ 685.286619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.292176] ? check_preemption_disabled+0x48/0x280 [ 685.297222] handle_mm_fault+0x54f/0xc70 [ 685.301310] ? __handle_mm_fault+0x5be0/0x5be0 [ 685.305918] ? find_vma+0x34/0x190 [ 685.309468] __do_page_fault+0x5e8/0xe60 [ 685.313532] ? trace_hardirqs_off+0xb8/0x310 [ 685.317946] ? __ia32_sys_read+0xb0/0xb0 [ 685.322033] do_page_fault+0xf2/0x7e0 [ 685.325854] ? vmalloc_sync_all+0x30/0x30 [ 685.330015] ? error_entry+0x70/0xd0 [ 685.333727] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.338746] ? trace_hardirqs_on_caller+0xc0/0x310 [ 685.343681] ? syscall_return_slowpath+0x5e0/0x5e0 [ 685.348612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.353464] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.358481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 685.363952] ? prepare_exit_to_usermode+0x291/0x3b0 [ 685.368969] ? page_fault+0x8/0x30 [ 685.372532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.377401] ? page_fault+0x8/0x30 [ 685.380942] page_fault+0x1e/0x30 [ 685.384397] RIP: 0033:0x45ddf3 [ 685.387599] Code: Bad RIP value. [ 685.390978] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 685.396338] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 685.403605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 685.410885] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 685.418150] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 685.425431] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 685.432733] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 685.432738] warn_alloc_show_mem: 1 callbacks suppressed [ 685.432746] Mem-Info: [ 685.440020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.445407] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 685.445407] active_file:13 inactive_file:14 isolated_file:0 [ 685.445407] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.445407] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 685.445407] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 685.445407] free:13773 free_pcp:174 free_cma:0 [ 685.447778] Call Trace: [ 685.457190] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 685.490123] <IRQ> [ 685.492698] 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 [ 685.520197] dump_stack+0x244/0x39d [ 685.522336] lowmem_reserve[]: 0 2818 6321 6321 [ 685.548440] ? dump_stack_print_info.cold.1+0x20/0x20 [ 685.552040] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 685.556644] warn_alloc.cold.116+0xb7/0x1bd [ 685.561799] lowmem_reserve[]: 0 0 3503 3503 [ 685.589303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 685.593603] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 685.597923] ? lock_downgrade+0x900/0x900 [ 685.602737] lowmem_reserve[]: 0 0 0 0 [ 685.631709] ? trace_hardirqs_off+0xb8/0x310 [ 685.635827] 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 [ 685.639625] ? trace_hardirqs_off+0xb8/0x310 [ 685.644024] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 685.657554] __alloc_pages_slowpath+0x2651/0x2de0 [ 685.661937] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 685.677913] ? warn_alloc+0x120/0x120 [ 685.682719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 685.696424] ? warn_alloc+0x120/0x120 [ 685.700230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 685.709087] ? warn_alloc+0x120/0x120 [ 685.712862] 271 total pagecache pages [ 685.721435] ? print_usage_bug+0xc0/0xc0 [ 685.725216] 0 pages in swap cache [ 685.729021] ? enqueue_hrtimer+0x1a5/0x560 [ 685.733058] Swap cache stats: add 0, delete 0, find 0/0 [ 685.736501] ? print_usage_bug+0xc0/0xc0 [ 685.740715] Free swap = 0kB [ 685.746075] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 685.750115] Total swap = 0kB [ 685.753138] ? print_usage_bug+0xc0/0xc0 [ 685.758337] 1965979 pages RAM [ 685.761350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.765387] 0 pages HighMem/MovableOnly [ 685.768487] ? should_fail+0x22d/0xd01 [ 685.773998] 342854 pages reserved [ 685.777997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.781863] 0 pages cma reserved [ 685.785316] ? __lock_acquire+0x62f/0x4c20 [ 685.790460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 685.793758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.793771] ? __lock_acquire+0x62f/0x4c20 [ 685.793788] ? should_fail+0x22d/0xd01 [ 685.798080] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 685.804517] ? mark_held_locks+0x130/0x130 [ 685.809593] syz-fuzzer cpuset=/ mems_allowed=0 [ 685.813823] ? mark_held_locks+0x130/0x130 [ 685.840954] ? mark_held_locks+0x130/0x130 [ 685.845194] ? zap_class+0x640/0x640 [ 685.848927] ? check_preemption_disabled+0x48/0x280 [ 685.853976] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 685.858479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.864018] ? check_preemption_disabled+0x48/0x280 [ 685.869055] ? __lock_is_held+0xb5/0x140 [ 685.873128] __alloc_pages_nodemask+0xad8/0xea0 [ 685.877804] ? zap_class+0x640/0x640 [ 685.881524] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 685.886552] ? find_held_lock+0x36/0x1c0 [ 685.890626] ? ____cache_alloc_node+0x1c7/0x1e0 [ 685.895305] ? lock_downgrade+0x900/0x900 [ 685.899475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.905020] cache_grow_begin+0xa5/0x8c0 [ 685.909090] ? do_raw_spin_unlock+0xa7/0x330 [ 685.913510] fallback_alloc+0x204/0x2e0 [ 685.917494] ____cache_alloc_node+0x1c7/0x1e0 [ 685.922007] kmem_cache_alloc+0x1f8/0x730 [ 685.926166] __build_skb+0xab/0x430 [ 685.929799] ? skb_try_coalesce+0x1b70/0x1b70 [ 685.934306] ? trace_hardirqs_on+0xbd/0x310 [ 685.938648] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 685.944233] ? trace_hardirqs_off_caller+0x310/0x310 [ 685.949340] ? mod_timer+0x631/0x1560 [ 685.953143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.958697] ? check_preemption_disabled+0x48/0x280 [ 685.963816] __netdev_alloc_skb+0x2b5/0x450 [ 685.968150] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 685.973519] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 685.978629] ? mod_timer+0x631/0x1560 [ 685.982429] ? wake_up_klogd+0x180/0x180 [ 685.986492] ? br_send_bpdu_finish+0x20/0x20 [ 685.990909] ? mark_held_locks+0x130/0x130 [ 685.995144] ? __lock_acquire+0x62f/0x4c20 [ 685.999378] ? lockdep_hardirqs_on+0x240/0x5b0 [ 686.003969] ? kasan_check_read+0x11/0x20 [ 686.008126] br_send_config_bpdu+0xc9d/0x10a0 [ 686.012630] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 686.018254] ? round_jiffies+0x11c/0x170 [ 686.022356] br_transmit_config+0x8cd/0xbb0 [ 686.026678] ? find_held_lock+0x36/0x1c0 [ 686.030760] ? br_get_port+0x280/0x280 [ 686.034656] ? lock_acquire+0x1ed/0x520 [ 686.038660] ? br_hello_timer_expired+0x20/0x190 [ 686.043453] ? kasan_check_read+0x11/0x20 [ 686.047630] br_config_bpdu_generation+0x16a/0x1c0 [ 686.052556] br_hello_timer_expired+0xa9/0x190 [ 686.057170] call_timer_fn+0x272/0x920 [ 686.061060] ? br_is_root_bridge+0x40/0x40 [ 686.065304] ? process_timeout+0x40/0x40 [ 686.069374] ? __run_timers+0x7da/0xc70 [ 686.073353] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.077848] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.082341] ? br_is_root_bridge+0x40/0x40 [ 686.086578] ? lockdep_hardirqs_on+0x296/0x5b0 [ 686.091184] ? trace_hardirqs_on+0xbd/0x310 [ 686.096019] ? kasan_check_read+0x11/0x20 [ 686.100186] ? __run_timers+0x7da/0xc70 [ 686.104178] ? trace_hardirqs_off_caller+0x310/0x310 [ 686.109301] ? br_is_root_bridge+0x40/0x40 [ 686.113537] __run_timers+0x7e5/0xc70 [ 686.117363] ? timer_fixup_init+0x70/0x70 [ 686.121517] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 686.126535] ? zap_class+0x640/0x640 [ 686.130258] ? enqueue_hrtimer+0x1a5/0x560 [ 686.134503] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 686.139702] ? find_held_lock+0x36/0x1c0 [ 686.143775] ? zap_class+0x640/0x640 [ 686.147495] ? pvclock_read_flags+0x160/0x160 [ 686.152002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.157543] ? check_preemption_disabled+0x48/0x280 [ 686.162584] ? __lock_is_held+0xb5/0x140 [ 686.166662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.172203] ? check_preemption_disabled+0x48/0x280 [ 686.177228] run_timer_softirq+0x52/0xb0 [ 686.181299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 686.186323] __do_softirq+0x308/0xb7e [ 686.190130] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 686.194623] ? lock_downgrade+0x900/0x900 [ 686.198777] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 686.203890] ? pvclock_read_flags+0x160/0x160 [ 686.208403] ? lapic_next_event+0x5a/0x90 [ 686.212557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.218106] ? kvm_clock_read+0x18/0x30 [ 686.222085] ? kvm_sched_clock_read+0x9/0x20 [ 686.226499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.232039] ? check_preemption_disabled+0x48/0x280 [ 686.237094] irq_exit+0x17f/0x1c0 [ 686.240582] smp_apic_timer_interrupt+0x1cb/0x760 [ 686.245429] ? smp_reschedule_interrupt+0x109/0x650 [ 686.250450] ? smp_call_function_single_interrupt+0x650/0x650 [ 686.256337] ? interrupt_entry+0xb5/0xc0 [ 686.260401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 686.265417] ? trace_hardirqs_off_caller+0xbb/0x310 [ 686.270434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.275333] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.280345] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.285374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.290225] apic_timer_interrupt+0xf/0x20 [ 686.294468] </IRQ> [ 686.296717] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 686.302610] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 686.321508] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 686.329216] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 686.336486] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 686.343754] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 686.351029] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 686.358305] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 686.365783] ? save_stack+0xa9/0xd0 [ 686.369422] __kmalloc_node_track_caller+0x3c/0x70 [ 686.374358] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 686.379122] pskb_expand_head+0x230/0x10f0 [ 686.383361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 686.388818] ? memcpy+0x45/0x50 [ 686.392105] ? __copy_skb_header+0x350/0x6b0 [ 686.396515] ? skb_release_data+0x880/0x880 [ 686.400839] ? __alloc_skb+0x770/0x770 [ 686.404738] ? __lock_is_held+0xb5/0x140 [ 686.408807] ? kasan_check_write+0x14/0x20 [ 686.413066] ? __skb_clone+0x6c7/0xa00 [ 686.416961] ? __copy_skb_header+0x6b0/0x6b0 [ 686.421368] ? kmem_cache_alloc+0x33a/0x730 [ 686.425694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.431272] skb_ensure_writable+0x3dd/0x640 [ 686.435719] ? skb_checksum_setup+0xaa0/0xaa0 [ 686.440219] ? preempt_notifier_register+0x200/0x200 [ 686.445323] ? __switch_to_asm+0x34/0x70 [ 686.449385] ? __switch_to_asm+0x34/0x70 [ 686.453449] ? __switch_to_asm+0x40/0x70 [ 686.457508] ? __switch_to_asm+0x34/0x70 [ 686.461569] ? __switch_to_asm+0x40/0x70 [ 686.465630] ? __switch_to_asm+0x40/0x70 [ 686.469704] ? __switch_to_asm+0x34/0x70 [ 686.473779] ? __switch_to_asm+0x34/0x70 [ 686.477839] ? __switch_to_asm+0x40/0x70 [ 686.481900] ? __switch_to_asm+0x34/0x70 [ 686.485971] bpf_clone_redirect+0x14a/0x490 [ 686.490312] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 686.495337] ? __sched_text_start+0x8/0x8 [ 686.499490] ? retint_kernel+0x2d/0x2d [ 686.503389] ? find_held_lock+0x36/0x1c0 [ 686.507462] ? lock_acquire+0x1ed/0x520 [ 686.511437] ? bpf_test_run+0x3cb/0x780 [ 686.515416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.520957] ? check_preemption_disabled+0x48/0x280 [ 686.525983] ? kasan_check_read+0x11/0x20 [ 686.530136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.535415] ? rcu_softirq_qs+0x20/0x20 [ 686.539399] ? preempt_schedule+0x4d/0x60 [ 686.543549] ? ___preempt_schedule+0x16/0x18 [ 686.547967] ? bpf_test_run+0x25d/0x780 [ 686.551956] ? netlink_diag_dump+0x2a0/0x2a0 [ 686.556369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.561906] ? bpf_test_init.isra.10+0x70/0x100 [ 686.566595] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 686.571367] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 686.576222] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 686.581771] ? fput+0x130/0x1a0 [ 686.585074] ? __bpf_prog_get+0x9b/0x290 [ 686.589153] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 686.593997] ? bpf_prog_test_run+0x130/0x1a0 [ 686.598412] ? __x64_sys_bpf+0x3d8/0x520 [ 686.602504] ? bpf_prog_get+0x20/0x20 [ 686.606332] ? do_syscall_64+0x1b9/0x820 [ 686.610423] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 686.615794] ? syscall_return_slowpath+0x5e0/0x5e0 [ 686.620730] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.625753] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 686.630777] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 686.637442] ? __switch_to_asm+0x40/0x70 [ 686.641504] ? __switch_to_asm+0x34/0x70 [ 686.645574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.650424] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.655814] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 686.655991] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 686.662852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.673340] syz-executor3 cpuset=syz3 mems_allowed=0 [ 686.682681] Call Trace: [ 686.690344] <IRQ> [ 686.692502] dump_stack+0x244/0x39d [ 686.696137] ? dump_stack_print_info.cold.1+0x20/0x20 [ 686.701347] warn_alloc.cold.116+0xb7/0x1bd [ 686.705689] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 686.710556] ? lock_downgrade+0x900/0x900 [ 686.714715] ? trace_hardirqs_off+0xb8/0x310 [ 686.719134] ? trace_hardirqs_off+0xb8/0x310 [ 686.723560] __alloc_pages_slowpath+0x2651/0x2de0 [ 686.728449] ? warn_alloc+0x120/0x120 [ 686.732250] ? print_usage_bug+0xc0/0xc0 [ 686.736320] ? warn_alloc+0x120/0x120 [ 686.740129] ? warn_alloc+0x120/0x120 [ 686.743934] ? print_usage_bug+0xc0/0xc0 [ 686.748000] ? print_usage_bug+0xc0/0xc0 [ 686.752065] ? __lock_acquire+0x62f/0x4c20 [ 686.756318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.761857] ? should_fail+0x22d/0xd01 [ 686.765749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.770855] ? __lock_acquire+0x62f/0x4c20 [ 686.775094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.780195] ? __lock_acquire+0x62f/0x4c20 [ 686.784431] ? should_fail+0x22d/0xd01 [ 686.788319] ? find_held_lock+0x36/0x1c0 [ 686.792417] ? mark_held_locks+0x130/0x130 [ 686.796677] ? mark_held_locks+0x130/0x130 [ 686.800912] ? zap_class+0x640/0x640 [ 686.804629] ? zap_class+0x640/0x640 [ 686.808347] ? print_usage_bug+0xc0/0xc0 [ 686.812411] ? do_raw_spin_unlock+0xa7/0x330 [ 686.816820] ? zap_class+0x640/0x640 [ 686.820533] ? print_usage_bug+0xc0/0xc0 [ 686.824600] ? wq_watchdog_touch+0x9c/0xfe [ 686.828841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.834383] ? check_preemption_disabled+0x48/0x280 [ 686.839411] ? __lock_is_held+0xb5/0x140 [ 686.843480] __alloc_pages_nodemask+0xad8/0xea0 [ 686.848170] ? zap_class+0x640/0x640 [ 686.851894] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 686.856925] ? find_held_lock+0x36/0x1c0 [ 686.860999] ? ____cache_alloc_node+0x1c7/0x1e0 [ 686.865669] ? lock_downgrade+0x900/0x900 [ 686.869855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.875403] cache_grow_begin+0xa5/0x8c0 [ 686.879464] ? do_raw_spin_unlock+0xa7/0x330 [ 686.883884] fallback_alloc+0x204/0x2e0 [ 686.887865] ____cache_alloc_node+0x1c7/0x1e0 [ 686.892369] kmem_cache_alloc_node+0xe3/0x730 [ 686.896865] ? ipv6_get_ifaddr+0x42e/0x620 [ 686.901115] __alloc_skb+0x119/0x770 [ 686.904829] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.910142] ? netdev_alloc_frag+0x1f0/0x1f0 [ 686.914557] ? lock_downgrade+0x900/0x900 [ 686.918714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.924254] ? refcount_sub_and_test_checked+0x203/0x310 [ 686.929720] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 686.935193] ? addrconf_rs_timer+0x690/0x690 [ 686.939635] ndisc_alloc_skb+0x144/0x340 [ 686.943706] ndisc_send_rs+0x331/0x6e0 [ 686.947600] addrconf_rs_timer+0x314/0x690 [ 686.951840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.956087] call_timer_fn+0x272/0x920 [ 686.959976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.964210] ? process_timeout+0x40/0x40 [ 686.968292] ? mark_held_locks+0xc7/0x130 [ 686.972458] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.976951] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.981444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.985692] ? lockdep_hardirqs_on+0x296/0x5b0 [ 686.990273] ? trace_hardirqs_on+0xbd/0x310 [ 686.994605] ? kasan_check_read+0x11/0x20 [ 686.998754] ? __run_timers+0x7da/0xc70 [ 687.002730] ? trace_hardirqs_off_caller+0x310/0x310 [ 687.007841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.012086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.016321] __run_timers+0x7e5/0xc70 [ 687.020138] ? timer_fixup_init+0x70/0x70 [ 687.024297] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 687.029324] ? zap_class+0x640/0x640 [ 687.033050] ? print_usage_bug+0xc0/0xc0 [ 687.037148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 687.042352] ? find_held_lock+0x36/0x1c0 [ 687.046419] ? zap_class+0x640/0x640 [ 687.050159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.055699] ? check_preemption_disabled+0x48/0x280 [ 687.060726] ? __lock_is_held+0xb5/0x140 [ 687.064790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.070332] ? check_preemption_disabled+0x48/0x280 [ 687.075358] run_timer_softirq+0x52/0xb0 [ 687.079436] ? rcu_read_lock_sched_held+0x14f/0x180 [ 687.084455] __do_softirq+0x308/0xb7e [ 687.088260] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 687.092763] ? lock_downgrade+0x900/0x900 [ 687.096916] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 687.102028] ? pvclock_read_flags+0x160/0x160 [ 687.106525] ? lapic_next_event+0x5a/0x90 [ 687.110685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.116229] ? kvm_clock_read+0x18/0x30 [ 687.120222] ? kvm_sched_clock_read+0x9/0x20 [ 687.124633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.130197] ? check_preemption_disabled+0x48/0x280 [ 687.135225] irq_exit+0x17f/0x1c0 [ 687.138685] smp_apic_timer_interrupt+0x1cb/0x760 [ 687.143531] ? smp_call_function_single_interrupt+0x159/0x650 [ 687.149423] ? smp_call_function_single_interrupt+0x650/0x650 [ 687.155311] ? interrupt_entry+0xb5/0xc0 [ 687.159380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.164395] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.169417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.174262] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.179293] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.184316] ? task_prio+0x50/0x50 [ 687.187863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.193407] ? check_preemption_disabled+0x48/0x280 [ 687.198432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.203301] apic_timer_interrupt+0xf/0x20 [ 687.207531] </IRQ> [ 687.209776] RIP: 0010:rcu_is_watching+0x0/0x30 [ 687.214362] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 687.233262] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 687.240977] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 687.248245] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 687.255510] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 687.262780] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 687.270046] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 687.277342] ? list_lru_count_one+0x253/0x450 [ 687.281838] ? list_lru_count_one+0x35d/0x450 [ 687.286383] ? list_lru_count_one+0x362/0x450 [ 687.290880] ? list_lru_isolate_move+0x3c0/0x3c0 [ 687.295636] ? shmem_free_inode+0xd0/0xd0 [ 687.299789] ? __lock_is_held+0xb5/0x140 [ 687.303859] super_cache_count+0x1b9/0x2e0 [ 687.308116] do_shrink_slab+0x1b1/0xd30 [ 687.312131] ? snapshot_refaults+0x290/0x290 [ 687.316550] ? lock_release+0xa00/0xa00 [ 687.320535] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 687.325482] ? down_read_trylock+0xda/0x140 [ 687.329805] ? shrink_slab+0x207/0x8c0 [ 687.333694] ? downgrade_write+0x270/0x270 [ 687.337941] shrink_slab+0x389/0x8c0 [ 687.341658] ? shrink_active_list+0x1f00/0x1f00 [ 687.346370] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 687.352001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 687.357146] ? cgroup_procs_write_finish+0xf0/0xf0 [ 687.362087] ? find_held_lock+0x36/0x1c0 [ 687.366157] shrink_node+0x431/0x16b0 [ 687.369958] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 687.375261] ? shrink_node_memcg+0x18f0/0x18f0 [ 687.379859] ? kvm_clock_read+0x18/0x30 [ 687.383837] ? ktime_get+0x2c1/0x400 [ 687.387564] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 687.392069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 687.397611] ? __cpuset_node_allowed+0x19b/0x660 [ 687.402370] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 687.408083] ? delayacct_end+0x5a/0x100 [ 687.412071] do_try_to_free_pages+0x3e7/0x1290 [ 687.416656] ? zap_class+0x640/0x640 [ 687.420388] ? shrink_node+0x16b0/0x16b0 [ 687.424453] ? __lock_is_held+0xb5/0x140 [ 687.428550] try_to_free_pages+0x4d0/0xb90 [ 687.432792] ? do_try_to_free_pages+0x1290/0x1290 [ 687.437650] ? lock_acquire+0x1ed/0x520 [ 687.441624] ? set_page_refcounted+0x280/0x280 [ 687.446212] ? lock_release+0xa00/0xa00 [ 687.450218] ? _raw_spin_unlock_irq+0x60/0x80 [ 687.454751] ? psi_memstall_enter+0x240/0x2b0 [ 687.459251] ? psi_memstall_tick+0x230/0x230 [ 687.463681] __alloc_pages_slowpath+0xa48/0x2de0 [ 687.468467] ? warn_alloc+0x120/0x120 [ 687.472269] ? mark_held_locks+0x130/0x130 [ 687.476522] ? find_get_entry+0xaae/0x1120 [ 687.480774] ? filemap_map_pages+0x1a20/0x1a20 [ 687.485366] ? zap_class+0x640/0x640 [ 687.489089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.494661] ? check_preemption_disabled+0x48/0x280 [ 687.499678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.505235] ? should_fail+0x22d/0xd01 [ 687.509148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 687.514257] ? zap_class+0x640/0x640 [ 687.518014] ? __lock_is_held+0xb5/0x140 [ 687.522084] ? mark_held_locks+0x130/0x130 [ 687.526340] ? lock_release+0xa00/0xa00 [ 687.530364] ? perf_trace_sched_process_exec+0x860/0x860 [ 687.535817] ? xa_load+0x2ba/0x460 [ 687.539393] ? lock_downgrade+0x900/0x900 [ 687.543554] ? __might_sleep+0x95/0x190 [ 687.547535] __alloc_pages_nodemask+0xad8/0xea0 [ 687.552233] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 687.557306] ? __page_cache_alloc+0x191/0x5c0 [ 687.561799] ? xa_load+0x2e1/0x460 [ 687.565341] ? xa_clear_mark+0x40/0x40 [ 687.569234] ? zap_class+0x640/0x640 [ 687.572956] ? zap_class+0x640/0x640 [ 687.576670] ? zap_class+0x640/0x640 [ 687.580388] ? __do_page_cache_readahead+0x663/0x810 [ 687.585498] ? find_held_lock+0x36/0x1c0 [ 687.589585] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 687.595151] alloc_pages_current+0x173/0x350 [ 687.599606] __page_cache_alloc+0x38c/0x5c0 [ 687.603963] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.608893] ? kasan_check_read+0x11/0x20 [ 687.613052] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.618335] ? generic_perform_write+0x6a0/0x6a0 [ 687.623108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.628660] ? check_preemption_disabled+0x48/0x280 [ 687.633717] filemap_fault+0x1595/0x25f0 [ 687.637796] ? __lock_page_or_retry+0xa00/0xa00 [ 687.642468] ? mark_held_locks+0x130/0x130 [ 687.646712] ? filemap_map_pages+0xd6b/0x1a20 [ 687.651207] ? lock_downgrade+0x900/0x900 [ 687.655362] ? check_preemption_disabled+0x48/0x280 [ 687.660380] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.665316] ? kasan_check_read+0x11/0x20 [ 687.669466] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.674747] ? rcu_softirq_qs+0x20/0x20 [ 687.678735] ? filemap_map_pages+0xd92/0x1a20 [ 687.683255] ? find_get_entries_tag+0x1400/0x1400 [ 687.688115] ? debug_object_destroy+0x2b0/0x2b0 [ 687.692804] ? lock_pi_update_atomic+0x150/0x150 [ 687.697579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.703130] ? lock_acquire+0x1ed/0x520 [ 687.707102] ? ext4_filemap_fault+0x7a/0xad [ 687.711431] ? lock_release+0xa00/0xa00 [ 687.715423] ? perf_trace_sched_process_exec+0x860/0x860 [ 687.720880] ? print_usage_bug+0xc0/0xc0 [ 687.724943] ? print_usage_bug+0xc0/0xc0 [ 687.729016] ? down_read+0x8d/0x120 [ 687.732643] ? ext4_filemap_fault+0x7a/0xad [ 687.736968] ? __down_interruptible+0x700/0x700 [ 687.741648] ext4_filemap_fault+0x82/0xad [ 687.745798] __do_fault+0x100/0x6b0 [ 687.749429] ? release_sock+0x1ec/0x2c0 [ 687.753413] ? pmd_devmap_trans_unstable+0x220/0x220 [ 687.758520] ? mark_held_locks+0x130/0x130 [ 687.762767] ? mark_held_locks+0x130/0x130 [ 687.767002] ? lock_sock_nested+0x9a/0x120 [ 687.771325] ? __release_sock+0x3a0/0x3a0 [ 687.775476] ? __local_bh_enable_ip+0x160/0x260 [ 687.780151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.785699] __handle_mm_fault+0x3ea0/0x5be0 [ 687.790124] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 687.794968] ? apparmor_socket_sendmsg+0x29/0x30 [ 687.799729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.805267] ? security_socket_sendmsg+0x94/0xc0 [ 687.810050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.815625] ? zap_class+0x640/0x640 [ 687.819354] ? zap_class+0x640/0x640 [ 687.823081] ? __x64_sys_futex+0x53e/0x6a0 [ 687.827326] ? find_held_lock+0x36/0x1c0 [ 687.831397] ? handle_mm_fault+0x42a/0xc70 [ 687.835651] ? lock_downgrade+0x900/0x900 [ 687.839848] ? check_preemption_disabled+0x48/0x280 [ 687.844870] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.849814] ? kasan_check_read+0x11/0x20 [ 687.853980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.859257] ? rcu_softirq_qs+0x20/0x20 [ 687.863237] ? trace_hardirqs_off_caller+0x310/0x310 [ 687.868347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.873886] ? check_preemption_disabled+0x48/0x280 [ 687.878928] handle_mm_fault+0x54f/0xc70 [ 687.882996] ? __handle_mm_fault+0x5be0/0x5be0 [ 687.887619] ? find_vma+0x34/0x190 [ 687.891168] __do_page_fault+0x5e8/0xe60 [ 687.895245] ? trace_hardirqs_off+0xb8/0x310 [ 687.899657] ? __ia32_sys_read+0xb0/0xb0 [ 687.903751] do_page_fault+0xf2/0x7e0 [ 687.907563] ? vmalloc_sync_all+0x30/0x30 [ 687.911715] ? error_entry+0x70/0xd0 [ 687.915430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.920476] ? trace_hardirqs_on_caller+0xc0/0x310 [ 687.925405] ? syscall_return_slowpath+0x5e0/0x5e0 [ 687.930333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.935198] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.940230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 687.945687] ? prepare_exit_to_usermode+0x291/0x3b0 [ 687.950704] ? page_fault+0x8/0x30 [ 687.954266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.959166] ? page_fault+0x8/0x30 [ 687.962956] page_fault+0x1e/0x30 [ 687.966411] RIP: 0033:0x45ddf3 [ 687.969618] Code: Bad RIP value. [ 687.972979] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 687.978358] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 687.985628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 687.992895] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 688.000162] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 688.007432] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 688.014731] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 688.014737] warn_alloc_show_mem: 1 callbacks suppressed [ 688.014744] Mem-Info: [ 688.022017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.027389] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 688.027389] active_file:13 inactive_file:14 isolated_file:0 [ 688.027389] unevictable:0 dirty:0 writeback:0 unstable:0 [ 688.027389] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 688.027389] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 688.027389] free:13773 free_pcp:174 free_cma:0 [ 688.029761] Call Trace: [ 688.039153] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 688.072106] <IRQ> [ 688.074679] 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 [ 688.102701] dump_stack+0x244/0x39d [ 688.104826] lowmem_reserve[]: 0 2818 6321 6321 [ 688.130954] ? dump_stack_print_info.cold.1+0x20/0x20 [ 688.134574] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 688.139153] warn_alloc.cold.116+0xb7/0x1bd [ 688.144317] lowmem_reserve[]: 0 0 3503 3503 [ 688.171814] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 688.176111] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 688.180450] ? lock_downgrade+0x900/0x900 [ 688.185266] lowmem_reserve[]: 0 0 0 0 [ 688.214180] ? trace_hardirqs_off+0xb8/0x310 [ 688.218307] 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 [ 688.222107] ? trace_hardirqs_off+0xb8/0x310 [ 688.226489] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 688.240014] __alloc_pages_slowpath+0x2651/0x2de0 [ 688.244397] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 688.260375] ? warn_alloc+0x120/0x120 [ 688.265174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 688.278774] ? warn_alloc+0x120/0x120 [ 688.282553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 688.291377] ? warn_alloc+0x120/0x120 [ 688.295155] 271 total pagecache pages [ 688.303745] ? print_usage_bug+0xc0/0xc0 [ 688.307534] 0 pages in swap cache [ 688.311338] ? print_usage_bug+0xc0/0xc0 [ 688.315379] Swap cache stats: add 0, delete 0, find 0/0 [ 688.318821] ? print_usage_bug+0xc0/0xc0 [ 688.322861] Free swap = 0kB [ 688.328264] ? mark_held_locks+0x130/0x130 [ 688.332320] Total swap = 0kB [ 688.335337] ? check_preemption_disabled+0x48/0x280 [ 688.339549] 1965979 pages RAM [ 688.342579] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 688.347568] 0 pages HighMem/MovableOnly [ 688.350669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.355135] 342854 pages reserved [ 688.359103] ? should_fail+0x22d/0xd01 [ 688.364612] 0 pages cma reserved [ 688.368095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.372026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 688.375321] ? __lock_acquire+0x62f/0x4c20 [ 688.375340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.375356] ? __lock_acquire+0x62f/0x4c20 [ 688.380538] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 688.386926] ? should_fail+0x22d/0xd01 [ 688.391174] syz-fuzzer cpuset=/ mems_allowed=0 [ 688.396275] ? mark_held_locks+0x130/0x130 [ 688.423432] ? mark_held_locks+0x130/0x130 [ 688.427668] ? try_to_wake_up+0x11c/0x1490 [ 688.431910] ? lock_downgrade+0x900/0x900 [ 688.436069] ? zap_class+0x640/0x640 [ 688.439787] ? print_usage_bug+0xc0/0xc0 [ 688.443867] ? trace_hardirqs_off+0xb8/0x310 [ 688.448277] ? kasan_check_read+0x11/0x20 [ 688.452440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.457995] ? check_preemption_disabled+0x48/0x280 [ 688.463035] ? __lock_is_held+0xb5/0x140 [ 688.467123] __alloc_pages_nodemask+0xad8/0xea0 [ 688.471796] ? zap_class+0x640/0x640 [ 688.475515] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 688.480574] ? find_held_lock+0x36/0x1c0 [ 688.484648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 688.489335] ? lock_downgrade+0x900/0x900 [ 688.493491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.499037] cache_grow_begin+0xa5/0x8c0 [ 688.503100] ? do_raw_spin_unlock+0xa7/0x330 [ 688.507517] fallback_alloc+0x204/0x2e0 [ 688.511497] ____cache_alloc_node+0x1c7/0x1e0 [ 688.516004] kmem_cache_alloc_node+0xe3/0x730 [ 688.520506] ? ipv6_get_ifaddr+0x42e/0x620 [ 688.524756] __alloc_skb+0x119/0x770 [ 688.528477] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 688.533777] ? netdev_alloc_frag+0x1f0/0x1f0 [ 688.538209] ? lock_downgrade+0x900/0x900 [ 688.542368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.547911] ? refcount_sub_and_test_checked+0x203/0x310 [ 688.553372] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 688.558829] ? addrconf_rs_timer+0x690/0x690 [ 688.563264] ndisc_alloc_skb+0x144/0x340 [ 688.567357] ndisc_send_rs+0x331/0x6e0 [ 688.571251] addrconf_rs_timer+0x314/0x690 [ 688.575514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.579766] call_timer_fn+0x272/0x920 [ 688.583657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.587895] ? process_timeout+0x40/0x40 [ 688.591980] ? __run_timers+0x7da/0xc70 [ 688.595993] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.600487] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.604981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.609249] ? lockdep_hardirqs_on+0x296/0x5b0 [ 688.613840] ? trace_hardirqs_on+0xbd/0x310 [ 688.618169] ? kasan_check_read+0x11/0x20 [ 688.622321] ? __run_timers+0x7da/0xc70 [ 688.626307] ? trace_hardirqs_off_caller+0x310/0x310 [ 688.631419] ? __queue_work+0x1440/0x1440 [ 688.635587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.639837] __run_timers+0x7e5/0xc70 [ 688.643648] ? timer_fixup_init+0x70/0x70 [ 688.647803] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 688.652821] ? zap_class+0x640/0x640 [ 688.656541] ? enqueue_hrtimer+0x1a5/0x560 [ 688.660776] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 688.665978] ? find_held_lock+0x36/0x1c0 [ 688.670059] ? zap_class+0x640/0x640 [ 688.673793] ? pvclock_read_flags+0x160/0x160 [ 688.678317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.683861] ? check_preemption_disabled+0x48/0x280 [ 688.688889] ? __lock_is_held+0xb5/0x140 [ 688.692964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.698518] ? check_preemption_disabled+0x48/0x280 [ 688.703555] run_timer_softirq+0x52/0xb0 [ 688.707616] ? rcu_read_lock_sched_held+0x14f/0x180 [ 688.712634] __do_softirq+0x308/0xb7e [ 688.716439] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 688.720932] ? lock_downgrade+0x900/0x900 [ 688.725090] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 688.730203] ? pvclock_read_flags+0x160/0x160 [ 688.734702] ? lapic_next_event+0x5a/0x90 [ 688.738853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.744403] ? kvm_clock_read+0x18/0x30 [ 688.748381] ? kvm_sched_clock_read+0x9/0x20 [ 688.752797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.758337] ? check_preemption_disabled+0x48/0x280 [ 688.763362] irq_exit+0x17f/0x1c0 [ 688.766820] smp_apic_timer_interrupt+0x1cb/0x760 [ 688.771664] ? smp_reschedule_interrupt+0x109/0x650 [ 688.776681] ? smp_call_function_single_interrupt+0x650/0x650 [ 688.782584] ? interrupt_entry+0xb5/0xc0 [ 688.786647] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.791661] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.796679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.801523] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.806557] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.811589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.816440] apic_timer_interrupt+0xf/0x20 [ 688.820685] </IRQ> [ 688.822926] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 688.828815] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 688.847716] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 688.855421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 688.862691] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 688.869960] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 688.877226] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 688.884495] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 688.891799] ? save_stack+0xa9/0xd0 [ 688.895436] __kmalloc_node_track_caller+0x3c/0x70 [ 688.900375] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 688.905153] pskb_expand_head+0x230/0x10f0 [ 688.909397] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 688.914851] ? memcpy+0x45/0x50 [ 688.918137] ? __copy_skb_header+0x350/0x6b0 [ 688.922550] ? skb_release_data+0x880/0x880 [ 688.926873] ? __alloc_skb+0x770/0x770 [ 688.930772] ? __lock_is_held+0xb5/0x140 [ 688.934842] ? kasan_check_write+0x14/0x20 [ 688.939113] ? __skb_clone+0x6c7/0xa00 [ 688.943036] ? __copy_skb_header+0x6b0/0x6b0 [ 688.947450] ? kmem_cache_alloc+0x33a/0x730 [ 688.951777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.957329] skb_ensure_writable+0x3dd/0x640 [ 688.961747] ? skb_checksum_setup+0xaa0/0xaa0 [ 688.966244] ? preempt_notifier_register+0x200/0x200 [ 688.971349] ? __switch_to_asm+0x34/0x70 [ 688.975414] ? __switch_to_asm+0x34/0x70 [ 688.979486] ? __switch_to_asm+0x40/0x70 [ 688.983589] ? __switch_to_asm+0x34/0x70 [ 688.987666] ? __switch_to_asm+0x40/0x70 [ 688.991728] ? __switch_to_asm+0x40/0x70 [ 688.995786] ? __switch_to_asm+0x34/0x70 [ 688.999846] ? __switch_to_asm+0x34/0x70 [ 689.003950] ? __switch_to_asm+0x40/0x70 [ 689.008009] ? __switch_to_asm+0x34/0x70 [ 689.012085] bpf_clone_redirect+0x14a/0x490 [ 689.016420] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 689.021440] ? __sched_text_start+0x8/0x8 [ 689.025592] ? retint_kernel+0x2d/0x2d [ 689.029490] ? find_held_lock+0x36/0x1c0 [ 689.033569] ? lock_acquire+0x1ed/0x520 [ 689.037546] ? bpf_test_run+0x3cb/0x780 [ 689.041523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.047067] ? check_preemption_disabled+0x48/0x280 [ 689.052095] ? kasan_check_read+0x11/0x20 [ 689.056247] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.061531] ? rcu_softirq_qs+0x20/0x20 [ 689.065513] ? preempt_schedule+0x4d/0x60 [ 689.069665] ? ___preempt_schedule+0x16/0x18 [ 689.074086] ? bpf_test_run+0x25d/0x780 [ 689.078082] ? netlink_diag_dump+0x2a0/0x2a0 [ 689.082513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.088061] ? bpf_test_init.isra.10+0x70/0x100 [ 689.092736] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 689.097522] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 689.102367] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.107903] ? fput+0x130/0x1a0 [ 689.111188] ? __bpf_prog_get+0x9b/0x290 [ 689.115256] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 689.120109] ? bpf_prog_test_run+0x130/0x1a0 [ 689.124536] ? __x64_sys_bpf+0x3d8/0x520 [ 689.128600] ? bpf_prog_get+0x20/0x20 [ 689.132437] ? do_syscall_64+0x1b9/0x820 [ 689.136497] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 689.141865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 689.146816] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.151834] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 689.156860] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 689.163526] ? __switch_to_asm+0x40/0x70 [ 689.167595] ? __switch_to_asm+0x34/0x70 [ 689.171679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.176545] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.181961] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 689.182080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 689.189000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.189005] Call Trace: [ 689.189012] <IRQ> [ 689.189030] dump_stack+0x244/0x39d [ 689.189069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 689.195686] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 689.204933] warn_alloc.cold.116+0xb7/0x1bd [ 689.207489] syz-executor3 cpuset=syz3 mems_allowed=0 [ 689.209637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 689.243120] ? lock_downgrade+0x900/0x900 [ 689.247290] ? trace_hardirqs_off+0xb8/0x310 [ 689.251707] ? trace_hardirqs_off+0xb8/0x310 [ 689.256144] __alloc_pages_slowpath+0x2651/0x2de0 [ 689.261017] ? warn_alloc+0x120/0x120 [ 689.264853] ? print_usage_bug+0xc0/0xc0 [ 689.268919] ? warn_alloc+0x120/0x120 [ 689.272741] ? warn_alloc+0x120/0x120 [ 689.276560] ? print_usage_bug+0xc0/0xc0 [ 689.280623] ? print_usage_bug+0xc0/0xc0 [ 689.284688] ? print_usage_bug+0xc0/0xc0 [ 689.288786] ? __lock_acquire+0x62f/0x4c20 [ 689.293030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.298600] ? should_fail+0x22d/0xd01 [ 689.302490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.307592] ? __lock_acquire+0x62f/0x4c20 [ 689.311828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.316929] ? __lock_acquire+0x62f/0x4c20 [ 689.321165] ? should_fail+0x22d/0xd01 [ 689.325066] ? mark_held_locks+0x130/0x130 [ 689.329342] ? mark_held_locks+0x130/0x130 [ 689.333591] ? zap_class+0x640/0x640 [ 689.337328] ? zap_class+0x640/0x640 [ 689.341045] ? print_usage_bug+0xc0/0xc0 [ 689.345111] ? wq_watchdog_touch+0x9c/0xfe [ 689.349351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.354908] ? check_preemption_disabled+0x48/0x280 [ 689.359936] ? __lock_is_held+0xb5/0x140 [ 689.364020] __alloc_pages_nodemask+0xad8/0xea0 [ 689.368705] ? zap_class+0x640/0x640 [ 689.372425] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 689.377453] ? find_held_lock+0x36/0x1c0 [ 689.381526] ? ____cache_alloc_node+0x1c7/0x1e0 [ 689.386235] ? lock_downgrade+0x900/0x900 [ 689.390393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.395938] cache_grow_begin+0xa5/0x8c0 [ 689.400008] ? do_raw_spin_unlock+0xa7/0x330 [ 689.404456] fallback_alloc+0x204/0x2e0 [ 689.408442] ____cache_alloc_node+0x1c7/0x1e0 [ 689.412944] kmem_cache_alloc_node+0xe3/0x730 [ 689.417441] ? ipv6_get_ifaddr+0x42e/0x620 [ 689.421689] __alloc_skb+0x119/0x770 [ 689.425405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.430690] ? netdev_alloc_frag+0x1f0/0x1f0 [ 689.435130] ? lock_downgrade+0x900/0x900 [ 689.439295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.444841] ? refcount_sub_and_test_checked+0x203/0x310 [ 689.450311] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 689.455764] ? addrconf_rs_timer+0x690/0x690 [ 689.460188] ndisc_alloc_skb+0x144/0x340 [ 689.464256] ndisc_send_rs+0x331/0x6e0 [ 689.468159] addrconf_rs_timer+0x314/0x690 [ 689.472405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.476664] call_timer_fn+0x272/0x920 [ 689.480576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.484814] ? process_timeout+0x40/0x40 [ 689.488905] ? mark_held_locks+0xc7/0x130 [ 689.493055] ? _raw_spin_unlock_irq+0x27/0x80 [ 689.497555] ? _raw_spin_unlock_irq+0x27/0x80 [ 689.502074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.506357] ? lockdep_hardirqs_on+0x296/0x5b0 [ 689.510943] ? trace_hardirqs_on+0xbd/0x310 [ 689.515265] ? kasan_check_read+0x11/0x20 [ 689.519426] ? __run_timers+0x7da/0xc70 [ 689.523401] ? trace_hardirqs_off_caller+0x310/0x310 [ 689.528527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.532767] __run_timers+0x7e5/0xc70 [ 689.536585] ? timer_fixup_init+0x70/0x70 [ 689.540735] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 689.545754] ? zap_class+0x640/0x640 [ 689.549475] ? print_usage_bug+0xc0/0xc0 [ 689.553546] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 689.558743] ? find_held_lock+0x36/0x1c0 [ 689.562825] ? zap_class+0x640/0x640 [ 689.566586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.572142] ? check_preemption_disabled+0x48/0x280 [ 689.577183] ? __lock_is_held+0xb5/0x140 [ 689.581280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.586830] ? check_preemption_disabled+0x48/0x280 [ 689.591852] run_timer_softirq+0x52/0xb0 [ 689.595913] ? rcu_read_lock_sched_held+0x14f/0x180 [ 689.600948] __do_softirq+0x308/0xb7e [ 689.604755] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 689.609254] ? lock_downgrade+0x900/0x900 [ 689.613416] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 689.618527] ? pvclock_read_flags+0x160/0x160 [ 689.623028] ? lapic_next_event+0x5a/0x90 [ 689.627181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.632724] ? kvm_clock_read+0x18/0x30 [ 689.636718] ? kvm_sched_clock_read+0x9/0x20 [ 689.641157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.646712] ? check_preemption_disabled+0x48/0x280 [ 689.651760] irq_exit+0x17f/0x1c0 [ 689.655218] smp_apic_timer_interrupt+0x1cb/0x760 [ 689.660076] ? smp_call_function_single_interrupt+0x159/0x650 [ 689.665980] ? smp_call_function_single_interrupt+0x650/0x650 [ 689.671868] ? interrupt_entry+0xb5/0xc0 [ 689.675937] ? trace_hardirqs_off_caller+0xbb/0x310 [ 689.680983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 689.686013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.690869] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.695901] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.700918] ? task_prio+0x50/0x50 [ 689.704463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.710001] ? check_preemption_disabled+0x48/0x280 [ 689.715028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.719898] apic_timer_interrupt+0xf/0x20 [ 689.724131] </IRQ> [ 689.726371] RIP: 0010:rcu_is_watching+0x0/0x30 [ 689.730953] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 689.749854] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 689.757564] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 689.764869] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 689.772135] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 689.779412] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 689.786680] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 689.793993] ? list_lru_count_one+0x253/0x450 [ 689.798503] ? list_lru_count_one+0x35d/0x450 [ 689.803003] ? list_lru_count_one+0x362/0x450 [ 689.807537] ? list_lru_isolate_move+0x3c0/0x3c0 [ 689.812303] ? shmem_free_inode+0xd0/0xd0 [ 689.816454] ? __lock_is_held+0xb5/0x140 [ 689.820529] super_cache_count+0x1b9/0x2e0 [ 689.824808] do_shrink_slab+0x1b1/0xd30 [ 689.828798] ? snapshot_refaults+0x290/0x290 [ 689.833210] ? lock_release+0xa00/0xa00 [ 689.837207] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 689.842153] ? down_read_trylock+0xda/0x140 [ 689.846474] ? shrink_slab+0x207/0x8c0 [ 689.850365] ? downgrade_write+0x270/0x270 [ 689.854615] shrink_slab+0x389/0x8c0 [ 689.858380] ? shrink_active_list+0x1f00/0x1f00 [ 689.863054] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 689.868698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 689.873820] ? cgroup_procs_write_finish+0xf0/0xf0 [ 689.878791] ? find_held_lock+0x36/0x1c0 [ 689.882853] shrink_node+0x431/0x16b0 [ 689.886669] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 689.891988] ? shrink_node_memcg+0x18f0/0x18f0 [ 689.896579] ? kvm_clock_read+0x18/0x30 [ 689.900562] ? ktime_get+0x2c1/0x400 [ 689.904310] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 689.908813] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.914349] ? __cpuset_node_allowed+0x19b/0x660 [ 689.919145] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 689.924859] ? delayacct_end+0x5a/0x100 [ 689.928864] do_try_to_free_pages+0x3e7/0x1290 [ 689.933450] ? zap_class+0x640/0x640 [ 689.937195] ? shrink_node+0x16b0/0x16b0 [ 689.941258] ? __lock_is_held+0xb5/0x140 [ 689.945339] try_to_free_pages+0x4d0/0xb90 [ 689.949616] ? do_try_to_free_pages+0x1290/0x1290 [ 689.954474] ? lock_acquire+0x1ed/0x520 [ 689.958462] ? set_page_refcounted+0x280/0x280 [ 689.963333] ? lock_release+0xa00/0xa00 [ 689.967319] ? _raw_spin_unlock_irq+0x60/0x80 [ 689.971815] ? psi_memstall_enter+0x240/0x2b0 [ 689.976317] ? psi_memstall_tick+0x230/0x230 [ 689.980738] __alloc_pages_slowpath+0xa48/0x2de0 [ 689.985526] ? warn_alloc+0x120/0x120 [ 689.989331] ? mark_held_locks+0x130/0x130 [ 689.993577] ? find_get_entry+0xaae/0x1120 [ 689.997826] ? filemap_map_pages+0x1a20/0x1a20 [ 690.002439] ? zap_class+0x640/0x640 [ 690.006163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.011701] ? check_preemption_disabled+0x48/0x280 [ 690.016717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.022261] ? should_fail+0x22d/0xd01 [ 690.026162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.031299] ? zap_class+0x640/0x640 [ 690.035073] ? __lock_is_held+0xb5/0x140 [ 690.039163] ? mark_held_locks+0x130/0x130 [ 690.043414] ? lock_release+0xa00/0xa00 [ 690.047390] ? perf_trace_sched_process_exec+0x860/0x860 [ 690.052843] ? xa_load+0x2ba/0x460 [ 690.056391] ? lock_downgrade+0x900/0x900 [ 690.060560] ? __might_sleep+0x95/0x190 [ 690.064547] __alloc_pages_nodemask+0xad8/0xea0 [ 690.069237] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 690.074252] ? __page_cache_alloc+0x191/0x5c0 [ 690.078764] ? xa_load+0x2e1/0x460 [ 690.082305] ? xa_clear_mark+0x40/0x40 [ 690.086195] ? zap_class+0x640/0x640 [ 690.089915] ? zap_class+0x640/0x640 [ 690.093710] ? zap_class+0x640/0x640 [ 690.097417] ? __do_page_cache_readahead+0x663/0x810 [ 690.102531] ? find_held_lock+0x36/0x1c0 [ 690.106604] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 690.112180] alloc_pages_current+0x173/0x350 [ 690.116600] __page_cache_alloc+0x38c/0x5c0 [ 690.120950] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.125891] ? kasan_check_read+0x11/0x20 [ 690.130035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.135322] ? generic_perform_write+0x6a0/0x6a0 [ 690.140083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.145625] ? check_preemption_disabled+0x48/0x280 [ 690.150655] filemap_fault+0x1595/0x25f0 [ 690.154730] ? __lock_page_or_retry+0xa00/0xa00 [ 690.159419] ? mark_held_locks+0x130/0x130 [ 690.163679] ? filemap_map_pages+0xd6b/0x1a20 [ 690.168191] ? lock_downgrade+0x900/0x900 [ 690.172348] ? check_preemption_disabled+0x48/0x280 [ 690.177365] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.182299] ? kasan_check_read+0x11/0x20 [ 690.186463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.191742] ? rcu_softirq_qs+0x20/0x20 [ 690.195730] ? filemap_map_pages+0xd92/0x1a20 [ 690.200249] ? find_get_entries_tag+0x1400/0x1400 [ 690.205106] ? debug_object_destroy+0x2b0/0x2b0 [ 690.209779] ? lock_pi_update_atomic+0x150/0x150 [ 690.214537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.220107] ? lock_acquire+0x1ed/0x520 [ 690.224079] ? ext4_filemap_fault+0x7a/0xad [ 690.228405] ? lock_release+0xa00/0xa00 [ 690.232382] ? perf_trace_sched_process_exec+0x860/0x860 [ 690.237833] ? print_usage_bug+0xc0/0xc0 [ 690.241909] ? print_usage_bug+0xc0/0xc0 [ 690.246045] ? down_read+0x8d/0x120 [ 690.249678] ? ext4_filemap_fault+0x7a/0xad [ 690.254016] ? __down_interruptible+0x700/0x700 [ 690.258698] ext4_filemap_fault+0x82/0xad [ 690.262933] __do_fault+0x100/0x6b0 [ 690.266573] ? release_sock+0x1ec/0x2c0 [ 690.270558] ? pmd_devmap_trans_unstable+0x220/0x220 [ 690.275666] ? mark_held_locks+0x130/0x130 [ 690.279924] ? mark_held_locks+0x130/0x130 [ 690.284184] ? lock_sock_nested+0x9a/0x120 [ 690.288422] ? __release_sock+0x3a0/0x3a0 [ 690.292588] ? __local_bh_enable_ip+0x160/0x260 [ 690.297267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.302816] __handle_mm_fault+0x3ea0/0x5be0 [ 690.307232] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 690.312110] ? apparmor_socket_sendmsg+0x29/0x30 [ 690.316864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.322406] ? security_socket_sendmsg+0x94/0xc0 [ 690.327165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.332719] ? zap_class+0x640/0x640 [ 690.336451] ? zap_class+0x640/0x640 [ 690.340167] ? __x64_sys_futex+0x53e/0x6a0 [ 690.344408] ? find_held_lock+0x36/0x1c0 [ 690.348481] ? handle_mm_fault+0x42a/0xc70 [ 690.352732] ? lock_downgrade+0x900/0x900 [ 690.356884] ? check_preemption_disabled+0x48/0x280 [ 690.361902] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.366830] ? kasan_check_read+0x11/0x20 [ 690.370976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.376253] ? rcu_softirq_qs+0x20/0x20 [ 690.380233] ? trace_hardirqs_off_caller+0x310/0x310 [ 690.385350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.390887] ? check_preemption_disabled+0x48/0x280 [ 690.395910] handle_mm_fault+0x54f/0xc70 [ 690.399975] ? __handle_mm_fault+0x5be0/0x5be0 [ 690.404569] ? find_vma+0x34/0x190 [ 690.408116] __do_page_fault+0x5e8/0xe60 [ 690.412176] ? trace_hardirqs_off+0xb8/0x310 [ 690.416589] ? __ia32_sys_read+0xb0/0xb0 [ 690.420660] do_page_fault+0xf2/0x7e0 [ 690.424461] ? vmalloc_sync_all+0x30/0x30 [ 690.428613] ? error_entry+0x70/0xd0 [ 690.432333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.437347] ? trace_hardirqs_on_caller+0xc0/0x310 [ 690.442315] ? syscall_return_slowpath+0x5e0/0x5e0 [ 690.447244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.452098] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.457117] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 690.462578] ? prepare_exit_to_usermode+0x291/0x3b0 [ 690.467622] ? page_fault+0x8/0x30 [ 690.471163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.476010] ? page_fault+0x8/0x30 [ 690.479558] page_fault+0x1e/0x30 [ 690.483012] RIP: 0033:0x45ddf3 [ 690.486217] Code: Bad RIP value. [ 690.489583] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 690.494943] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 690.502209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 690.509494] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 690.516774] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 690.524219] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 690.531530] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 690.531540] warn_alloc_show_mem: 1 callbacks suppressed [ 690.531552] Mem-Info: [ 690.538907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.544312] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 690.544312] active_file:13 inactive_file:14 isolated_file:0 [ 690.544312] unevictable:0 dirty:0 writeback:0 unstable:0 [ 690.544312] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 690.544312] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 690.544312] free:13773 free_pcp:174 free_cma:0 [ 690.546684] Call Trace: [ 690.556078] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 690.589035] <IRQ> [ 690.591635] 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 [ 690.619149] dump_stack+0x244/0x39d [ 690.621269] lowmem_reserve[]: 0 2818 6321 6321 [ 690.647431] ? dump_stack_print_info.cold.1+0x20/0x20 [ 690.651030] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 690.655619] warn_alloc.cold.116+0xb7/0x1bd [ 690.660791] lowmem_reserve[]: 0 0 3503 3503 [ 690.688326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 690.692621] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 690.696937] ? lock_downgrade+0x900/0x900 [ 690.701752] lowmem_reserve[]: 0 0 0 0 [ 690.730637] ? trace_hardirqs_off+0xb8/0x310 [ 690.734756] 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 [ 690.738587] ? trace_hardirqs_off+0xb8/0x310 [ 690.742974] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 690.756511] __alloc_pages_slowpath+0x2651/0x2de0 [ 690.760891] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 690.776861] ? warn_alloc+0x120/0x120 [ 690.781663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 690.795263] ? print_usage_bug+0xc0/0xc0 [ 690.799048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 690.807880] ? warn_alloc+0x120/0x120 [ 690.811921] 271 total pagecache pages [ 690.820489] ? warn_alloc+0x120/0x120 [ 690.824271] 0 pages in swap cache [ 690.828070] ? print_usage_bug+0xc0/0xc0 [ 690.831849] Swap cache stats: add 0, delete 0, find 0/0 [ 690.835302] ? kvm_clock_read+0x18/0x30 [ 690.839343] Free swap = 0kB [ 690.844700] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 690.848647] Total swap = 0kB [ 690.851662] ? print_usage_bug+0xc0/0xc0 [ 690.856663] 1965979 pages RAM [ 690.859679] ? __lock_acquire+0x62f/0x4c20 [ 690.863731] 0 pages HighMem/MovableOnly [ 690.866830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.871040] 342854 pages reserved [ 690.875026] ? should_fail+0x22d/0xd01 [ 690.880541] 0 pages cma reserved [ 690.883989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.887943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 690.891225] ? __lock_acquire+0x62f/0x4c20 [ 690.896411] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 690.902800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.907010] syz-fuzzer cpuset=/ mems_allowed=0 [ 690.917233] ? __lock_acquire+0x62f/0x4c20 [ 690.931103] ? should_fail+0x22d/0xd01 [ 690.935035] ? mark_held_locks+0x130/0x130 [ 690.939307] ? mark_held_locks+0x130/0x130 [ 690.943554] ? zap_class+0x640/0x640 [ 690.947272] ? print_usage_bug+0xc0/0xc0 [ 690.951363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.956904] ? check_preemption_disabled+0x48/0x280 [ 690.961934] ? __lock_is_held+0xb5/0x140 [ 690.966009] __alloc_pages_nodemask+0xad8/0xea0 [ 690.970685] ? zap_class+0x640/0x640 [ 690.974410] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 690.979440] ? find_held_lock+0x36/0x1c0 [ 690.983530] ? ____cache_alloc_node+0x1c7/0x1e0 [ 690.988214] ? lock_downgrade+0x900/0x900 [ 690.992385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.997927] cache_grow_begin+0xa5/0x8c0 [ 691.001992] ? do_raw_spin_unlock+0xa7/0x330 [ 691.006408] fallback_alloc+0x204/0x2e0 [ 691.010407] ____cache_alloc_node+0x1c7/0x1e0 [ 691.014912] kmem_cache_alloc_node+0xe3/0x730 [ 691.019408] ? ipv6_get_ifaddr+0x42e/0x620 [ 691.023653] __alloc_skb+0x119/0x770 [ 691.027364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.032676] ? netdev_alloc_frag+0x1f0/0x1f0 [ 691.037080] ? lock_downgrade+0x900/0x900 [ 691.041233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.046772] ? refcount_sub_and_test_checked+0x203/0x310 [ 691.052225] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 691.057672] ? addrconf_rs_timer+0x690/0x690 [ 691.062107] ndisc_alloc_skb+0x144/0x340 [ 691.066204] ndisc_send_rs+0x331/0x6e0 [ 691.070108] addrconf_rs_timer+0x314/0x690 [ 691.074343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.078581] call_timer_fn+0x272/0x920 [ 691.082466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.086734] ? process_timeout+0x40/0x40 [ 691.090826] ? __run_timers+0x7da/0xc70 [ 691.094838] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.099328] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.103822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.108060] ? lockdep_hardirqs_on+0x296/0x5b0 [ 691.112642] ? trace_hardirqs_on+0xbd/0x310 [ 691.116958] ? kasan_check_read+0x11/0x20 [ 691.121099] ? __run_timers+0x7da/0xc70 [ 691.125083] ? trace_hardirqs_off_caller+0x310/0x310 [ 691.130207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.134433] __run_timers+0x7e5/0xc70 [ 691.138252] ? timer_fixup_init+0x70/0x70 [ 691.142406] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 691.147432] ? zap_class+0x640/0x640 [ 691.151148] ? enqueue_hrtimer+0x1a5/0x560 [ 691.155384] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 691.160573] ? find_held_lock+0x36/0x1c0 [ 691.164635] ? zap_class+0x640/0x640 [ 691.168362] ? pvclock_read_flags+0x160/0x160 [ 691.172865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.178416] ? check_preemption_disabled+0x48/0x280 [ 691.183480] ? __lock_is_held+0xb5/0x140 [ 691.187535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.193069] ? check_preemption_disabled+0x48/0x280 [ 691.198088] run_timer_softirq+0x52/0xb0 [ 691.202186] ? rcu_read_lock_sched_held+0x14f/0x180 [ 691.207299] __do_softirq+0x308/0xb7e [ 691.211119] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 691.215613] ? lock_downgrade+0x900/0x900 [ 691.219767] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 691.224879] ? pvclock_read_flags+0x160/0x160 [ 691.229379] ? lapic_next_event+0x5a/0x90 [ 691.233557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.239099] ? kvm_clock_read+0x18/0x30 [ 691.243080] ? kvm_sched_clock_read+0x9/0x20 [ 691.247487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.253020] ? check_preemption_disabled+0x48/0x280 [ 691.258069] irq_exit+0x17f/0x1c0 [ 691.261520] smp_apic_timer_interrupt+0x1cb/0x760 [ 691.266362] ? smp_reschedule_interrupt+0x109/0x650 [ 691.271377] ? smp_call_function_single_interrupt+0x650/0x650 [ 691.277267] ? interrupt_entry+0xb5/0xc0 [ 691.281345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 691.286360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 691.291403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.296240] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.301249] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.306270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.311135] apic_timer_interrupt+0xf/0x20 [ 691.315358] </IRQ> [ 691.317592] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 691.323474] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 691.342367] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 691.350092] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 691.357356] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 691.364640] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 691.371908] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 691.379175] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 691.386467] ? save_stack+0xa9/0xd0 [ 691.390134] __kmalloc_node_track_caller+0x3c/0x70 [ 691.395071] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 691.399831] pskb_expand_head+0x230/0x10f0 [ 691.404068] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 691.409521] ? memcpy+0x45/0x50 [ 691.412803] ? __copy_skb_header+0x350/0x6b0 [ 691.417213] ? skb_release_data+0x880/0x880 [ 691.421531] ? __alloc_skb+0x770/0x770 [ 691.425430] ? __lock_is_held+0xb5/0x140 [ 691.429519] ? kasan_check_write+0x14/0x20 [ 691.433754] ? __skb_clone+0x6c7/0xa00 [ 691.437646] ? __copy_skb_header+0x6b0/0x6b0 [ 691.442060] ? kmem_cache_alloc+0x33a/0x730 [ 691.446389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.451935] skb_ensure_writable+0x3dd/0x640 [ 691.456349] ? skb_checksum_setup+0xaa0/0xaa0 [ 691.460850] ? preempt_notifier_register+0x200/0x200 [ 691.465951] ? __switch_to_asm+0x34/0x70 [ 691.470039] ? __switch_to_asm+0x34/0x70 [ 691.474146] ? __switch_to_asm+0x40/0x70 [ 691.478234] ? __switch_to_asm+0x34/0x70 [ 691.482336] ? __switch_to_asm+0x40/0x70 [ 691.486415] ? __switch_to_asm+0x40/0x70 [ 691.490475] ? __switch_to_asm+0x34/0x70 [ 691.494537] ? __switch_to_asm+0x34/0x70 [ 691.498595] ? __switch_to_asm+0x40/0x70 [ 691.502657] ? __switch_to_asm+0x34/0x70 [ 691.506728] bpf_clone_redirect+0x14a/0x490 [ 691.511063] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 691.516086] ? __sched_text_start+0x8/0x8 [ 691.520301] ? retint_kernel+0x2d/0x2d [ 691.524203] ? find_held_lock+0x36/0x1c0 [ 691.528273] ? lock_acquire+0x1ed/0x520 [ 691.532261] ? bpf_test_run+0x3cb/0x780 [ 691.536266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.541815] ? check_preemption_disabled+0x48/0x280 [ 691.546836] ? kasan_check_read+0x11/0x20 [ 691.550985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.556274] ? rcu_softirq_qs+0x20/0x20 [ 691.560273] ? preempt_schedule+0x4d/0x60 [ 691.564438] ? ___preempt_schedule+0x16/0x18 [ 691.568855] ? bpf_test_run+0x25d/0x780 [ 691.572842] ? netlink_diag_dump+0x2a0/0x2a0 [ 691.577258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.582801] ? bpf_test_init.isra.10+0x70/0x100 [ 691.587492] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 691.592268] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 691.597116] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.602662] ? fput+0x130/0x1a0 [ 691.605944] ? __bpf_prog_get+0x9b/0x290 [ 691.610011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 691.614864] ? bpf_prog_test_run+0x130/0x1a0 [ 691.619297] ? __x64_sys_bpf+0x3d8/0x520 [ 691.623360] ? bpf_prog_get+0x20/0x20 [ 691.627178] ? do_syscall_64+0x1b9/0x820 [ 691.631239] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 691.636607] ? syscall_return_slowpath+0x5e0/0x5e0 [ 691.641539] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.646555] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 691.651574] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 691.658235] ? __switch_to_asm+0x40/0x70 [ 691.662295] ? __switch_to_asm+0x34/0x70 [ 691.666367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.671217] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 691.676596] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 691.676663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 691.683621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 691.683626] Call Trace: [ 691.683632] <IRQ> [ 691.683649] dump_stack+0x244/0x39d [ 691.683684] ? dump_stack_print_info.cold.1+0x20/0x20 [ 691.690242] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 691.699550] warn_alloc.cold.116+0xb7/0x1bd [ 691.702097] syz-executor3 cpuset=syz3 mems_allowed=0 [ 691.704246] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 691.737749] ? lock_downgrade+0x900/0x900 [ 691.741921] ? trace_hardirqs_off+0xb8/0x310 [ 691.746337] ? trace_hardirqs_off+0xb8/0x310 [ 691.750756] __alloc_pages_slowpath+0x2651/0x2de0 [ 691.755655] ? warn_alloc+0x120/0x120 [ 691.759458] ? print_usage_bug+0xc0/0xc0 [ 691.763519] ? warn_alloc+0x120/0x120 [ 691.767327] ? warn_alloc+0x120/0x120 [ 691.771145] ? print_usage_bug+0xc0/0xc0 [ 691.775205] ? kvm_clock_read+0x18/0x30 [ 691.779180] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 691.784199] ? print_usage_bug+0xc0/0xc0 [ 691.788265] ? __lock_acquire+0x62f/0x4c20 [ 691.792532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.798079] ? should_fail+0x22d/0xd01 [ 691.802012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.807326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.812430] ? __lock_acquire+0x62f/0x4c20 [ 691.816670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.821773] ? __lock_acquire+0x62f/0x4c20 [ 691.826023] ? should_fail+0x22d/0xd01 [ 691.829907] ? rcu_irq_exit+0x1a2/0x390 [ 691.833890] ? mark_held_locks+0x130/0x130 [ 691.838149] ? mark_held_locks+0x130/0x130 [ 691.842400] ? mark_held_locks+0xc7/0x130 [ 691.846568] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 691.851588] ? zap_class+0x640/0x640 [ 691.855311] ? print_usage_bug+0xc0/0xc0 [ 691.859377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.864933] ? check_preemption_disabled+0x48/0x280 [ 691.869977] ? __lock_is_held+0xb5/0x140 [ 691.874046] __alloc_pages_nodemask+0xad8/0xea0 [ 691.878717] ? zap_class+0x640/0x640 [ 691.882436] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 691.887464] ? find_held_lock+0x36/0x1c0 [ 691.891535] ? ____cache_alloc_node+0x1c7/0x1e0 [ 691.896238] ? lock_downgrade+0x900/0x900 [ 691.900413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.905956] cache_grow_begin+0xa5/0x8c0 [ 691.910017] ? do_raw_spin_unlock+0xa7/0x330 [ 691.914435] fallback_alloc+0x204/0x2e0 [ 691.918414] ____cache_alloc_node+0x1c7/0x1e0 [ 691.922945] kmem_cache_alloc_node+0xe3/0x730 [ 691.927472] ? ipv6_get_ifaddr+0x42e/0x620 [ 691.931722] __alloc_skb+0x119/0x770 [ 691.935432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.940727] ? netdev_alloc_frag+0x1f0/0x1f0 [ 691.945162] ? lock_downgrade+0x900/0x900 [ 691.949341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.954881] ? refcount_sub_and_test_checked+0x203/0x310 [ 691.960334] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 691.965996] ? addrconf_rs_timer+0x690/0x690 [ 691.970414] ndisc_alloc_skb+0x144/0x340 [ 691.974550] ndisc_send_rs+0x331/0x6e0 [ 691.978447] addrconf_rs_timer+0x314/0x690 [ 691.982687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.986935] call_timer_fn+0x272/0x920 [ 691.990823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.995075] ? process_timeout+0x40/0x40 [ 691.999162] ? mark_held_locks+0xc7/0x130 [ 692.003319] ? _raw_spin_unlock_irq+0x27/0x80 [ 692.007829] ? _raw_spin_unlock_irq+0x27/0x80 [ 692.012326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.016565] ? lockdep_hardirqs_on+0x296/0x5b0 [ 692.021149] ? trace_hardirqs_on+0xbd/0x310 [ 692.025472] ? kasan_check_read+0x11/0x20 [ 692.029617] ? __run_timers+0x7da/0xc70 [ 692.033597] ? trace_hardirqs_off_caller+0x310/0x310 [ 692.038704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.042943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.047190] __run_timers+0x7e5/0xc70 [ 692.051000] ? timer_fixup_init+0x70/0x70 [ 692.055151] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 692.060169] ? zap_class+0x640/0x640 [ 692.063890] ? print_usage_bug+0xc0/0xc0 [ 692.067955] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 692.073165] ? find_held_lock+0x36/0x1c0 [ 692.077229] ? zap_class+0x640/0x640 [ 692.080952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.087015] ? check_preemption_disabled+0x48/0x280 [ 692.092039] ? __lock_is_held+0xb5/0x140 [ 692.096252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.101799] ? check_preemption_disabled+0x48/0x280 [ 692.106820] run_timer_softirq+0x52/0xb0 [ 692.110932] ? rcu_read_lock_sched_held+0x14f/0x180 [ 692.115949] __do_softirq+0x308/0xb7e [ 692.119766] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 692.124260] ? lock_downgrade+0x900/0x900 [ 692.128425] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 692.133538] ? pvclock_read_flags+0x160/0x160 [ 692.138042] ? lapic_next_event+0x5a/0x90 [ 692.142195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.147743] ? kvm_clock_read+0x18/0x30 [ 692.151718] ? kvm_sched_clock_read+0x9/0x20 [ 692.156127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.161666] ? check_preemption_disabled+0x48/0x280 [ 692.166692] irq_exit+0x17f/0x1c0 [ 692.170147] smp_apic_timer_interrupt+0x1cb/0x760 [ 692.174991] ? smp_call_function_single_interrupt+0x159/0x650 [ 692.180876] ? smp_call_function_single_interrupt+0x650/0x650 [ 692.186754] ? interrupt_entry+0xb5/0xc0 [ 692.190829] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.195846] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.200862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.205706] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.210735] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.215751] ? task_prio+0x50/0x50 [ 692.219298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.224852] ? check_preemption_disabled+0x48/0x280 [ 692.229875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.234740] apic_timer_interrupt+0xf/0x20 [ 692.238987] </IRQ> [ 692.241228] RIP: 0010:rcu_is_watching+0x0/0x30 [ 692.245812] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 692.264726] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 692.272436] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 692.279703] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 692.286968] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 692.294236] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 692.301500] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 692.308806] ? list_lru_count_one+0x253/0x450 [ 692.313325] ? list_lru_count_one+0x35d/0x450 [ 692.317826] ? list_lru_count_one+0x362/0x450 [ 692.322323] ? list_lru_isolate_move+0x3c0/0x3c0 [ 692.327096] ? shmem_free_inode+0xd0/0xd0 [ 692.331263] ? __lock_is_held+0xb5/0x140 [ 692.335340] super_cache_count+0x1b9/0x2e0 [ 692.339581] do_shrink_slab+0x1b1/0xd30 [ 692.343605] ? snapshot_refaults+0x290/0x290 [ 692.348017] ? lock_release+0xa00/0xa00 [ 692.351998] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 692.356938] ? down_read_trylock+0xda/0x140 [ 692.361261] ? shrink_slab+0x207/0x8c0 [ 692.365154] ? downgrade_write+0x270/0x270 [ 692.369415] shrink_slab+0x389/0x8c0 [ 692.373133] ? shrink_active_list+0x1f00/0x1f00 [ 692.377813] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 692.383442] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 692.388560] ? cgroup_procs_write_finish+0xf0/0xf0 [ 692.393499] ? find_held_lock+0x36/0x1c0 [ 692.397576] shrink_node+0x431/0x16b0 [ 692.401383] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 692.406688] ? shrink_node_memcg+0x18f0/0x18f0 [ 692.411331] ? kvm_clock_read+0x18/0x30 [ 692.415316] ? ktime_get+0x2c1/0x400 [ 692.419038] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 692.423537] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 692.429079] ? __cpuset_node_allowed+0x19b/0x660 [ 692.433837] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 692.439563] ? delayacct_end+0x5a/0x100 [ 692.443555] do_try_to_free_pages+0x3e7/0x1290 [ 692.448140] ? zap_class+0x640/0x640 [ 692.451874] ? shrink_node+0x16b0/0x16b0 [ 692.455936] ? __lock_is_held+0xb5/0x140 [ 692.460031] try_to_free_pages+0x4d0/0xb90 [ 692.464315] ? do_try_to_free_pages+0x1290/0x1290 [ 692.469175] ? lock_acquire+0x1ed/0x520 [ 692.473166] ? set_page_refcounted+0x280/0x280 [ 692.477753] ? lock_release+0xa00/0xa00 [ 692.481731] ? _raw_spin_unlock_irq+0x60/0x80 [ 692.486227] ? psi_memstall_enter+0x240/0x2b0 [ 692.490726] ? psi_memstall_tick+0x230/0x230 [ 692.495147] __alloc_pages_slowpath+0xa48/0x2de0 [ 692.499950] ? warn_alloc+0x120/0x120 [ 692.503748] ? mark_held_locks+0x130/0x130 [ 692.507989] ? find_get_entry+0xaae/0x1120 [ 692.512235] ? filemap_map_pages+0x1a20/0x1a20 [ 692.516823] ? zap_class+0x640/0x640 [ 692.520550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.526109] ? check_preemption_disabled+0x48/0x280 [ 692.531160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.536707] ? should_fail+0x22d/0xd01 [ 692.540601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.545705] ? zap_class+0x640/0x640 [ 692.549447] ? __lock_is_held+0xb5/0x140 [ 692.553513] ? mark_held_locks+0x130/0x130 [ 692.557769] ? lock_release+0xa00/0xa00 [ 692.561745] ? perf_trace_sched_process_exec+0x860/0x860 [ 692.567195] ? xa_load+0x2ba/0x460 [ 692.570754] ? lock_downgrade+0x900/0x900 [ 692.574923] ? __might_sleep+0x95/0x190 [ 692.578907] __alloc_pages_nodemask+0xad8/0xea0 [ 692.583584] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 692.588605] ? __page_cache_alloc+0x191/0x5c0 [ 692.593098] ? xa_load+0x2e1/0x460 [ 692.596635] ? xa_clear_mark+0x40/0x40 [ 692.600528] ? zap_class+0x640/0x640 [ 692.604253] ? zap_class+0x640/0x640 [ 692.608001] ? zap_class+0x640/0x640 [ 692.611712] ? __do_page_cache_readahead+0x663/0x810 [ 692.616818] ? find_held_lock+0x36/0x1c0 [ 692.620883] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 692.626427] alloc_pages_current+0x173/0x350 [ 692.630844] __page_cache_alloc+0x38c/0x5c0 [ 692.635172] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.640102] ? kasan_check_read+0x11/0x20 [ 692.644245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.649521] ? generic_perform_write+0x6a0/0x6a0 [ 692.654289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.659832] ? check_preemption_disabled+0x48/0x280 [ 692.664859] filemap_fault+0x1595/0x25f0 [ 692.668967] ? __lock_page_or_retry+0xa00/0xa00 [ 692.673639] ? mark_held_locks+0x130/0x130 [ 692.677887] ? filemap_map_pages+0xd6b/0x1a20 [ 692.682387] ? lock_downgrade+0x900/0x900 [ 692.686553] ? check_preemption_disabled+0x48/0x280 [ 692.691590] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.696518] ? kasan_check_read+0x11/0x20 [ 692.700668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.705943] ? rcu_softirq_qs+0x20/0x20 [ 692.709949] ? filemap_map_pages+0xd92/0x1a20 [ 692.714488] ? find_get_entries_tag+0x1400/0x1400 [ 692.719347] ? debug_object_destroy+0x2b0/0x2b0 [ 692.724016] ? lock_pi_update_atomic+0x150/0x150 [ 692.728769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.734321] ? lock_acquire+0x1ed/0x520 [ 692.738298] ? ext4_filemap_fault+0x7a/0xad [ 692.742640] ? lock_release+0xa00/0xa00 [ 692.746612] ? perf_trace_sched_process_exec+0x860/0x860 [ 692.752059] ? print_usage_bug+0xc0/0xc0 [ 692.756122] ? print_usage_bug+0xc0/0xc0 [ 692.760194] ? down_read+0x8d/0x120 [ 692.763841] ? ext4_filemap_fault+0x7a/0xad [ 692.768178] ? __down_interruptible+0x700/0x700 [ 692.772885] ext4_filemap_fault+0x82/0xad [ 692.777068] __do_fault+0x100/0x6b0 [ 692.780694] ? release_sock+0x1ec/0x2c0 [ 692.784670] ? pmd_devmap_trans_unstable+0x220/0x220 [ 692.789794] ? mark_held_locks+0x130/0x130 [ 692.794036] ? mark_held_locks+0x130/0x130 [ 692.798295] ? lock_sock_nested+0x9a/0x120 [ 692.802553] ? __release_sock+0x3a0/0x3a0 [ 692.806706] ? __local_bh_enable_ip+0x160/0x260 [ 692.811413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.816958] __handle_mm_fault+0x3ea0/0x5be0 [ 692.821381] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 692.826222] ? apparmor_socket_sendmsg+0x29/0x30 [ 692.830981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.836536] ? security_socket_sendmsg+0x94/0xc0 [ 692.841310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.846892] ? zap_class+0x640/0x640 [ 692.850622] ? zap_class+0x640/0x640 [ 692.854353] ? __x64_sys_futex+0x53e/0x6a0 [ 692.858606] ? find_held_lock+0x36/0x1c0 [ 692.862680] ? handle_mm_fault+0x42a/0xc70 [ 692.866919] ? lock_downgrade+0x900/0x900 [ 692.871072] ? check_preemption_disabled+0x48/0x280 [ 692.876095] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.881021] ? kasan_check_read+0x11/0x20 [ 692.885164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.890440] ? rcu_softirq_qs+0x20/0x20 [ 692.894416] ? trace_hardirqs_off_caller+0x310/0x310 [ 692.899524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.905069] ? check_preemption_disabled+0x48/0x280 [ 692.910093] handle_mm_fault+0x54f/0xc70 [ 692.914159] ? __handle_mm_fault+0x5be0/0x5be0 [ 692.918746] ? find_vma+0x34/0x190 [ 692.922299] __do_page_fault+0x5e8/0xe60 [ 692.926373] ? trace_hardirqs_off+0xb8/0x310 [ 692.930780] ? __ia32_sys_read+0xb0/0xb0 [ 692.934867] do_page_fault+0xf2/0x7e0 [ 692.938668] ? vmalloc_sync_all+0x30/0x30 [ 692.942819] ? error_entry+0x70/0xd0 [ 692.946540] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.951565] ? trace_hardirqs_on_caller+0xc0/0x310 [ 692.956509] ? syscall_return_slowpath+0x5e0/0x5e0 [ 692.961442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.966291] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.971316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 692.976773] ? prepare_exit_to_usermode+0x291/0x3b0 [ 692.981805] ? page_fault+0x8/0x30 [ 692.985343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.990185] ? page_fault+0x8/0x30 [ 692.993728] page_fault+0x1e/0x30 [ 692.997182] RIP: 0033:0x45ddf3 [ 693.000384] Code: Bad RIP value. [ 693.003745] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 693.009122] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 693.016388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 693.023653] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 693.030920] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 693.038191] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 693.045492] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 693.045498] warn_alloc_show_mem: 1 callbacks suppressed [ 693.045505] Mem-Info: [ 693.052783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.058151] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 693.058151] active_file:13 inactive_file:14 isolated_file:0 [ 693.058151] unevictable:0 dirty:0 writeback:0 unstable:0 [ 693.058151] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 693.058151] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 693.058151] free:13773 free_pcp:174 free_cma:0 [ 693.060540] Call Trace: [ 693.069928] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 693.102866] <IRQ> [ 693.105438] 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 [ 693.132967] dump_stack+0x244/0x39d [ 693.135093] lowmem_reserve[]: 0 2818 6321 6321 [ 693.161209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 693.164826] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 693.169410] warn_alloc.cold.116+0xb7/0x1bd [ 693.174567] lowmem_reserve[]: 0 0 3503 3503 [ 693.202085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 693.206385] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 693.210703] ? lock_downgrade+0x900/0x900 [ 693.215517] lowmem_reserve[]: 0 0 0 0 [ 693.244404] ? trace_hardirqs_off+0xb8/0x310 [ 693.248522] 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 [ 693.252321] ? trace_hardirqs_off+0xb8/0x310 [ 693.256719] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 693.270253] __alloc_pages_slowpath+0x2651/0x2de0 [ 693.274629] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 693.290602] ? warn_alloc+0x120/0x120 [ 693.295402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 693.309020] ? print_usage_bug+0xc0/0xc0 [ 693.312800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 693.321619] ? warn_alloc+0x120/0x120 [ 693.325673] 271 total pagecache pages [ 693.334244] ? warn_alloc+0x120/0x120 [ 693.338030] 0 pages in swap cache [ 693.341835] ? print_usage_bug+0xc0/0xc0 [ 693.345633] Swap cache stats: add 0, delete 0, find 0/0 [ 693.349083] ? print_usage_bug+0xc0/0xc0 [ 693.353140] Free swap = 0kB [ 693.358499] ? __lock_acquire+0x62f/0x4c20 [ 693.362535] Total swap = 0kB [ 693.365547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.369758] 1965979 pages RAM [ 693.372772] ? should_fail+0x22d/0xd01 [ 693.378280] 0 pages HighMem/MovableOnly [ 693.381383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.385238] 342854 pages reserved [ 693.385243] 0 pages cma reserved [ 693.385327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 693.389220] ? __lock_acquire+0x62f/0x4c20 [ 693.394394] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 693.397757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.401099] syz-fuzzer cpuset=/ mems_allowed=0 [ 693.407584] ? __lock_acquire+0x62f/0x4c20 [ 693.435882] ? should_fail+0x22d/0xd01 [ 693.439776] ? find_held_lock+0x36/0x1c0 [ 693.443845] ? mark_held_locks+0x130/0x130 [ 693.448090] ? mark_held_locks+0x130/0x130 [ 693.452324] ? zap_class+0x640/0x640 [ 693.456047] ? zap_class+0x640/0x640 [ 693.459764] ? print_usage_bug+0xc0/0xc0 [ 693.463822] ? do_raw_spin_unlock+0xa7/0x330 [ 693.468230] ? zap_class+0x640/0x640 [ 693.471942] ? print_usage_bug+0xc0/0xc0 [ 693.476023] ? wq_watchdog_touch+0x9c/0xfe [ 693.480276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.485858] ? check_preemption_disabled+0x48/0x280 [ 693.490974] ? __lock_is_held+0xb5/0x140 [ 693.495068] __alloc_pages_nodemask+0xad8/0xea0 [ 693.499760] ? zap_class+0x640/0x640 [ 693.503482] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 693.508515] ? find_held_lock+0x36/0x1c0 [ 693.512590] ? ____cache_alloc_node+0x1c7/0x1e0 [ 693.517259] ? lock_downgrade+0x900/0x900 [ 693.521421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.526966] cache_grow_begin+0xa5/0x8c0 [ 693.531030] ? do_raw_spin_unlock+0xa7/0x330 [ 693.535456] fallback_alloc+0x204/0x2e0 [ 693.539454] ____cache_alloc_node+0x1c7/0x1e0 [ 693.543954] kmem_cache_alloc_node+0xe3/0x730 [ 693.548469] ? ipv6_get_ifaddr+0x42e/0x620 [ 693.552714] __alloc_skb+0x119/0x770 [ 693.556426] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 693.561715] ? netdev_alloc_frag+0x1f0/0x1f0 [ 693.566135] ? lock_downgrade+0x900/0x900 [ 693.570300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.575839] ? refcount_sub_and_test_checked+0x203/0x310 [ 693.581306] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 693.586762] ? addrconf_rs_timer+0x690/0x690 [ 693.591190] ndisc_alloc_skb+0x144/0x340 [ 693.595257] ndisc_send_rs+0x331/0x6e0 [ 693.599165] addrconf_rs_timer+0x314/0x690 [ 693.603410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.607667] call_timer_fn+0x272/0x920 [ 693.611554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.615801] ? process_timeout+0x40/0x40 [ 693.619873] ? __run_timers+0x7da/0xc70 [ 693.623854] ? _raw_spin_unlock_irq+0x27/0x80 [ 693.628355] ? _raw_spin_unlock_irq+0x27/0x80 [ 693.632848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.637103] ? lockdep_hardirqs_on+0x296/0x5b0 [ 693.641685] ? trace_hardirqs_on+0xbd/0x310 [ 693.646009] ? kasan_check_read+0x11/0x20 [ 693.650170] ? __run_timers+0x7da/0xc70 [ 693.654146] ? trace_hardirqs_off_caller+0x310/0x310 [ 693.659309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.663551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.667798] __run_timers+0x7e5/0xc70 [ 693.671614] ? timer_fixup_init+0x70/0x70 [ 693.675766] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 693.680786] ? zap_class+0x640/0x640 [ 693.684506] ? enqueue_hrtimer+0x1a5/0x560 [ 693.688773] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 693.694175] ? find_held_lock+0x36/0x1c0 [ 693.698305] ? zap_class+0x640/0x640 [ 693.702038] ? pvclock_read_flags+0x160/0x160 [ 693.706544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.712084] ? check_preemption_disabled+0x48/0x280 [ 693.717123] ? __lock_is_held+0xb5/0x140 [ 693.721188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.726731] ? check_preemption_disabled+0x48/0x280 [ 693.731756] run_timer_softirq+0x52/0xb0 [ 693.735817] ? rcu_read_lock_sched_held+0x14f/0x180 [ 693.740833] __do_softirq+0x308/0xb7e [ 693.744638] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 693.749131] ? lock_downgrade+0x900/0x900 [ 693.753292] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 693.758409] ? pvclock_read_flags+0x160/0x160 [ 693.762907] ? lapic_next_event+0x5a/0x90 [ 693.767063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.772608] ? kvm_clock_read+0x18/0x30 [ 693.776583] ? kvm_sched_clock_read+0x9/0x20 [ 693.780999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.786540] ? check_preemption_disabled+0x48/0x280 [ 693.791565] irq_exit+0x17f/0x1c0 [ 693.795027] smp_apic_timer_interrupt+0x1cb/0x760 [ 693.799876] ? smp_reschedule_interrupt+0x109/0x650 [ 693.804894] ? smp_call_function_single_interrupt+0x650/0x650 [ 693.810779] ? interrupt_entry+0xb5/0xc0 [ 693.814859] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.819872] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.824889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.829762] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.834791] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.839818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.844673] apic_timer_interrupt+0xf/0x20 [ 693.848900] </IRQ> [ 693.851154] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 693.857048] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 693.875950] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 693.883666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 693.890932] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 693.898199] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 693.905470] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 693.912735] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 693.920038] ? save_stack+0xa9/0xd0 [ 693.923696] __kmalloc_node_track_caller+0x3c/0x70 [ 693.928647] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 693.933409] pskb_expand_head+0x230/0x10f0 [ 693.937646] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 693.943102] ? memcpy+0x45/0x50 [ 693.946387] ? __copy_skb_header+0x350/0x6b0 [ 693.950796] ? skb_release_data+0x880/0x880 [ 693.955121] ? __alloc_skb+0x770/0x770 [ 693.959025] ? __lock_is_held+0xb5/0x140 [ 693.963234] ? kasan_check_write+0x14/0x20 [ 693.967473] ? __skb_clone+0x6c7/0xa00 [ 693.971361] ? __copy_skb_header+0x6b0/0x6b0 [ 693.975766] ? kmem_cache_alloc+0x33a/0x730 [ 693.980090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.985633] skb_ensure_writable+0x3dd/0x640 [ 693.990054] ? skb_checksum_setup+0xaa0/0xaa0 [ 693.994557] ? preempt_notifier_register+0x200/0x200 [ 693.999658] ? __switch_to_asm+0x34/0x70 [ 694.003720] ? __switch_to_asm+0x34/0x70 [ 694.007777] ? __switch_to_asm+0x40/0x70 [ 694.011833] ? __switch_to_asm+0x34/0x70 [ 694.015887] ? __switch_to_asm+0x40/0x70 [ 694.019945] ? __switch_to_asm+0x40/0x70 [ 694.023999] ? __switch_to_asm+0x34/0x70 [ 694.028070] ? __switch_to_asm+0x34/0x70 [ 694.032131] ? __switch_to_asm+0x40/0x70 [ 694.036189] ? __switch_to_asm+0x34/0x70 [ 694.040258] bpf_clone_redirect+0x14a/0x490 [ 694.044628] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 694.049650] ? __sched_text_start+0x8/0x8 [ 694.053797] ? retint_kernel+0x2d/0x2d [ 694.057692] ? find_held_lock+0x36/0x1c0 [ 694.061757] ? lock_acquire+0x1ed/0x520 [ 694.065733] ? bpf_test_run+0x3cb/0x780 [ 694.069711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.075279] ? check_preemption_disabled+0x48/0x280 [ 694.080313] ? kasan_check_read+0x11/0x20 [ 694.084470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.089762] ? rcu_softirq_qs+0x20/0x20 [ 694.094099] ? preempt_schedule+0x4d/0x60 [ 694.098249] ? ___preempt_schedule+0x16/0x18 [ 694.102676] ? bpf_test_run+0x25d/0x780 [ 694.106665] ? netlink_diag_dump+0x2a0/0x2a0 [ 694.111082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.116623] ? bpf_test_init.isra.10+0x70/0x100 [ 694.121311] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 694.126079] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 694.130924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 694.136464] ? fput+0x130/0x1a0 [ 694.139751] ? __bpf_prog_get+0x9b/0x290 [ 694.143821] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 694.148666] ? bpf_prog_test_run+0x130/0x1a0 [ 694.153079] ? __x64_sys_bpf+0x3d8/0x520 [ 694.157139] ? bpf_prog_get+0x20/0x20 [ 694.160964] ? do_syscall_64+0x1b9/0x820 [ 694.165039] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 694.170410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 694.175346] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.180365] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 694.185385] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 694.192054] ? __switch_to_asm+0x40/0x70 [ 694.196111] ? __switch_to_asm+0x34/0x70 [ 694.200196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.205055] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 694.210439] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 694.210507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 694.217456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 694.217462] Call Trace: [ 694.217469] <IRQ> [ 694.217487] dump_stack+0x244/0x39d [ 694.217506] ? dump_stack_print_info.cold.1+0x20/0x20 [ 694.224083] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 694.233337] warn_alloc.cold.116+0xb7/0x1bd [ 694.235891] syz-executor3 cpuset=syz3 mems_allowed=0 [ 694.238050] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 694.271575] ? lock_downgrade+0x900/0x900 [ 694.275735] ? trace_hardirqs_off+0xb8/0x310 [ 694.280190] ? trace_hardirqs_off+0xb8/0x310 [ 694.284622] __alloc_pages_slowpath+0x2651/0x2de0 [ 694.289497] ? warn_alloc+0x120/0x120 [ 694.293310] ? print_usage_bug+0xc0/0xc0 [ 694.297377] ? warn_alloc+0x120/0x120 [ 694.301187] ? warn_alloc+0x120/0x120 [ 694.305048] ? print_usage_bug+0xc0/0xc0 [ 694.309129] ? kvm_clock_read+0x18/0x30 [ 694.313103] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 694.318118] ? print_usage_bug+0xc0/0xc0 [ 694.322183] ? __lock_acquire+0x62f/0x4c20 [ 694.326425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.331964] ? should_fail+0x22d/0xd01 [ 694.335847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.341131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.346239] ? __lock_acquire+0x62f/0x4c20 [ 694.350480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.355583] ? __lock_acquire+0x62f/0x4c20 [ 694.359817] ? should_fail+0x22d/0xd01 [ 694.363702] ? rcu_irq_exit+0x1a2/0x390 [ 694.367697] ? mark_held_locks+0x130/0x130 [ 694.371938] ? mark_held_locks+0x130/0x130 [ 694.376175] ? mark_held_locks+0xc7/0x130 [ 694.380354] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 694.385388] ? zap_class+0x640/0x640 [ 694.389136] ? print_usage_bug+0xc0/0xc0 [ 694.393203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.398739] ? check_preemption_disabled+0x48/0x280 [ 694.403767] ? __lock_is_held+0xb5/0x140 [ 694.407838] __alloc_pages_nodemask+0xad8/0xea0 [ 694.412509] ? zap_class+0x640/0x640 [ 694.416243] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 694.421329] ? find_held_lock+0x36/0x1c0 [ 694.425416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 694.430102] ? lock_downgrade+0x900/0x900 [ 694.434278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.439831] cache_grow_begin+0xa5/0x8c0 [ 694.443894] ? do_raw_spin_unlock+0xa7/0x330 [ 694.448326] fallback_alloc+0x204/0x2e0 [ 694.452314] ____cache_alloc_node+0x1c7/0x1e0 [ 694.456820] kmem_cache_alloc_node+0xe3/0x730 [ 694.461321] ? ipv6_get_ifaddr+0x42e/0x620 [ 694.465578] __alloc_skb+0x119/0x770 [ 694.469312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.474608] ? netdev_alloc_frag+0x1f0/0x1f0 [ 694.479019] ? lock_downgrade+0x900/0x900 [ 694.483174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.488741] ? refcount_sub_and_test_checked+0x203/0x310 [ 694.494193] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 694.499674] ? addrconf_rs_timer+0x690/0x690 [ 694.504101] ndisc_alloc_skb+0x144/0x340 [ 694.508169] ndisc_send_rs+0x331/0x6e0 [ 694.512085] addrconf_rs_timer+0x314/0x690 [ 694.516341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.520591] call_timer_fn+0x272/0x920 [ 694.524478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.528723] ? process_timeout+0x40/0x40 [ 694.532811] ? mark_held_locks+0xc7/0x130 [ 694.536962] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.541458] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.545955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.550223] ? lockdep_hardirqs_on+0x296/0x5b0 [ 694.554863] ? trace_hardirqs_on+0xbd/0x310 [ 694.559205] ? kasan_check_read+0x11/0x20 [ 694.563386] ? __run_timers+0x7da/0xc70 [ 694.567370] ? trace_hardirqs_off_caller+0x310/0x310 [ 694.572479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.576720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.580960] __run_timers+0x7e5/0xc70 [ 694.584771] ? timer_fixup_init+0x70/0x70 [ 694.588923] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 694.593941] ? zap_class+0x640/0x640 [ 694.597665] ? print_usage_bug+0xc0/0xc0 [ 694.601730] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 694.606943] ? find_held_lock+0x36/0x1c0 [ 694.611083] ? zap_class+0x640/0x640 [ 694.614802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.620344] ? check_preemption_disabled+0x48/0x280 [ 694.625376] ? __lock_is_held+0xb5/0x140 [ 694.629442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.634983] ? check_preemption_disabled+0x48/0x280 [ 694.640024] run_timer_softirq+0x52/0xb0 [ 694.644129] ? rcu_read_lock_sched_held+0x14f/0x180 [ 694.649161] __do_softirq+0x308/0xb7e [ 694.652965] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 694.657462] ? lock_downgrade+0x900/0x900 [ 694.661614] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 694.666725] ? pvclock_read_flags+0x160/0x160 [ 694.671223] ? lapic_next_event+0x5a/0x90 [ 694.675378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.680921] ? kvm_clock_read+0x18/0x30 [ 694.684902] ? kvm_sched_clock_read+0x9/0x20 [ 694.689317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.694859] ? check_preemption_disabled+0x48/0x280 [ 694.699887] irq_exit+0x17f/0x1c0 [ 694.703345] smp_apic_timer_interrupt+0x1cb/0x760 [ 694.708190] ? smp_call_function_single_interrupt+0x159/0x650 [ 694.714076] ? smp_call_function_single_interrupt+0x650/0x650 [ 694.719959] ? interrupt_entry+0xb5/0xc0 [ 694.724023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.729041] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.734060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.738905] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.743925] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.748940] ? task_prio+0x50/0x50 [ 694.752483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.758023] ? check_preemption_disabled+0x48/0x280 [ 694.763049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.767902] apic_timer_interrupt+0xf/0x20 [ 694.772133] </IRQ> [ 694.774374] RIP: 0010:rcu_is_watching+0x0/0x30 [ 694.778957] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 694.797857] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 694.805572] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 694.812838] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 694.820105] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 694.827375] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 694.834640] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 694.841962] ? list_lru_count_one+0x253/0x450 [ 694.846460] ? list_lru_count_one+0x35d/0x450 [ 694.850965] ? list_lru_count_one+0x362/0x450 [ 694.855466] ? list_lru_isolate_move+0x3c0/0x3c0 [ 694.860240] ? shmem_free_inode+0xd0/0xd0 [ 694.864395] ? __lock_is_held+0xb5/0x140 [ 694.868466] super_cache_count+0x1b9/0x2e0 [ 694.872712] do_shrink_slab+0x1b1/0xd30 [ 694.876702] ? snapshot_refaults+0x290/0x290 [ 694.881131] ? lock_release+0xa00/0xa00 [ 694.885121] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 694.890052] ? down_read_trylock+0xda/0x140 [ 694.894398] ? shrink_slab+0x207/0x8c0 [ 694.898294] ? downgrade_write+0x270/0x270 [ 694.902549] shrink_slab+0x389/0x8c0 [ 694.906262] ? shrink_active_list+0x1f00/0x1f00 [ 694.910961] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 694.916603] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 694.921720] ? cgroup_procs_write_finish+0xf0/0xf0 [ 694.926704] ? find_held_lock+0x36/0x1c0 [ 694.930792] shrink_node+0x431/0x16b0 [ 694.934611] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 694.939938] ? shrink_node_memcg+0x18f0/0x18f0 [ 694.944528] ? kvm_clock_read+0x18/0x30 [ 694.948517] ? ktime_get+0x2c1/0x400 [ 694.952255] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 694.956764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 694.962519] ? __cpuset_node_allowed+0x19b/0x660 [ 694.967317] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 694.973042] ? delayacct_end+0x5a/0x100 [ 694.977061] do_try_to_free_pages+0x3e7/0x1290 [ 694.981645] ? zap_class+0x640/0x640 [ 694.985374] ? shrink_node+0x16b0/0x16b0 [ 694.989436] ? __lock_is_held+0xb5/0x140 [ 694.993512] try_to_free_pages+0x4d0/0xb90 [ 694.997758] ? do_try_to_free_pages+0x1290/0x1290 [ 695.002629] ? lock_acquire+0x1ed/0x520 [ 695.006607] ? set_page_refcounted+0x280/0x280 [ 695.011196] ? lock_release+0xa00/0xa00 [ 695.015203] ? _raw_spin_unlock_irq+0x60/0x80 [ 695.019721] ? psi_memstall_enter+0x240/0x2b0 [ 695.024222] ? psi_memstall_tick+0x230/0x230 [ 695.028661] __alloc_pages_slowpath+0xa48/0x2de0 [ 695.033449] ? warn_alloc+0x120/0x120 [ 695.037254] ? mark_held_locks+0x130/0x130 [ 695.041505] ? find_get_entry+0xaae/0x1120 [ 695.045745] ? filemap_map_pages+0x1a20/0x1a20 [ 695.050353] ? zap_class+0x640/0x640 [ 695.054073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.059620] ? check_preemption_disabled+0x48/0x280 [ 695.064661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.070197] ? should_fail+0x22d/0xd01 [ 695.074093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.079205] ? zap_class+0x640/0x640 [ 695.082950] ? __lock_is_held+0xb5/0x140 [ 695.087019] ? mark_held_locks+0x130/0x130 [ 695.091259] ? lock_release+0xa00/0xa00 [ 695.095241] ? perf_trace_sched_process_exec+0x860/0x860 [ 695.100765] ? xa_load+0x2ba/0x460 [ 695.104318] ? lock_downgrade+0x900/0x900 [ 695.108471] ? __might_sleep+0x95/0x190 [ 695.112461] __alloc_pages_nodemask+0xad8/0xea0 [ 695.117157] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 695.122176] ? __page_cache_alloc+0x191/0x5c0 [ 695.126664] ? xa_load+0x2e1/0x460 [ 695.130204] ? xa_clear_mark+0x40/0x40 [ 695.134095] ? zap_class+0x640/0x640 [ 695.137818] ? zap_class+0x640/0x640 [ 695.141532] ? zap_class+0x640/0x640 [ 695.145255] ? __do_page_cache_readahead+0x663/0x810 [ 695.150373] ? find_held_lock+0x36/0x1c0 [ 695.154440] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 695.159990] alloc_pages_current+0x173/0x350 [ 695.164426] __page_cache_alloc+0x38c/0x5c0 [ 695.168751] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.173695] ? kasan_check_read+0x11/0x20 [ 695.177841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.183125] ? generic_perform_write+0x6a0/0x6a0 [ 695.188058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.193597] ? check_preemption_disabled+0x48/0x280 [ 695.198625] filemap_fault+0x1595/0x25f0 [ 695.202700] ? __lock_page_or_retry+0xa00/0xa00 [ 695.207376] ? mark_held_locks+0x130/0x130 [ 695.211624] ? filemap_map_pages+0xd6b/0x1a20 [ 695.216123] ? lock_downgrade+0x900/0x900 [ 695.220305] ? check_preemption_disabled+0x48/0x280 [ 695.225327] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.230260] ? kasan_check_read+0x11/0x20 [ 695.234417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.239692] ? rcu_softirq_qs+0x20/0x20 [ 695.243685] ? filemap_map_pages+0xd92/0x1a20 [ 695.248220] ? find_get_entries_tag+0x1400/0x1400 [ 695.253082] ? debug_object_destroy+0x2b0/0x2b0 [ 695.257757] ? lock_pi_update_atomic+0x150/0x150 [ 695.262521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.268082] ? lock_acquire+0x1ed/0x520 [ 695.272080] ? ext4_filemap_fault+0x7a/0xad [ 695.276428] ? lock_release+0xa00/0xa00 [ 695.280401] ? perf_trace_sched_process_exec+0x860/0x860 [ 695.285866] ? print_usage_bug+0xc0/0xc0 [ 695.289927] ? print_usage_bug+0xc0/0xc0 [ 695.293999] ? down_read+0x8d/0x120 [ 695.297623] ? ext4_filemap_fault+0x7a/0xad [ 695.301946] ? __down_interruptible+0x700/0x700 [ 695.306622] ext4_filemap_fault+0x82/0xad [ 695.310772] __do_fault+0x100/0x6b0 [ 695.314395] ? release_sock+0x1ec/0x2c0 [ 695.318374] ? pmd_devmap_trans_unstable+0x220/0x220 [ 695.323476] ? mark_held_locks+0x130/0x130 [ 695.327710] ? mark_held_locks+0x130/0x130 [ 695.331938] ? lock_sock_nested+0x9a/0x120 [ 695.336167] ? __release_sock+0x3a0/0x3a0 [ 695.340330] ? __local_bh_enable_ip+0x160/0x260 [ 695.345002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.350556] __handle_mm_fault+0x3ea0/0x5be0 [ 695.354978] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 695.359837] ? apparmor_socket_sendmsg+0x29/0x30 [ 695.364608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.370163] ? security_socket_sendmsg+0x94/0xc0 [ 695.374924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.380474] ? zap_class+0x640/0x640 [ 695.384189] ? zap_class+0x640/0x640 [ 695.387914] ? __x64_sys_futex+0x53e/0x6a0 [ 695.392152] ? find_held_lock+0x36/0x1c0 [ 695.396252] ? handle_mm_fault+0x42a/0xc70 [ 695.400492] ? lock_downgrade+0x900/0x900 [ 695.404655] ? check_preemption_disabled+0x48/0x280 [ 695.409680] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.414628] ? kasan_check_read+0x11/0x20 [ 695.418778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.424054] ? rcu_softirq_qs+0x20/0x20 [ 695.428029] ? trace_hardirqs_off_caller+0x310/0x310 [ 695.433149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.438692] ? check_preemption_disabled+0x48/0x280 [ 695.443718] handle_mm_fault+0x54f/0xc70 [ 695.447785] ? __handle_mm_fault+0x5be0/0x5be0 [ 695.452377] ? find_vma+0x34/0x190 [ 695.455929] __do_page_fault+0x5e8/0xe60 [ 695.459992] ? trace_hardirqs_off+0xb8/0x310 [ 695.464400] ? __ia32_sys_read+0xb0/0xb0 [ 695.468472] do_page_fault+0xf2/0x7e0 [ 695.472281] ? vmalloc_sync_all+0x30/0x30 [ 695.476442] ? error_entry+0x70/0xd0 [ 695.480157] ? trace_hardirqs_off_caller+0xbb/0x310 [ 695.485174] ? trace_hardirqs_on_caller+0xc0/0x310 [ 695.490106] ? syscall_return_slowpath+0x5e0/0x5e0 [ 695.495035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.499897] ? trace_hardirqs_on_caller+0x310/0x310 [ 695.504919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 695.510374] ? prepare_exit_to_usermode+0x291/0x3b0 [ 695.515394] ? page_fault+0x8/0x30 [ 695.518937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.523785] ? page_fault+0x8/0x30 [ 695.527329] page_fault+0x1e/0x30 [ 695.530792] RIP: 0033:0x45ddf3 [ 695.534005] Code: Bad RIP value. [ 695.537367] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 695.542728] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 695.550003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 695.557269] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 695.564567] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 695.571978] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 695.579277] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 695.579291] warn_alloc_show_mem: 1 callbacks suppressed [ 695.579299] Mem-Info: [ 695.586579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.591947] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 695.591947] active_file:13 inactive_file:14 isolated_file:0 [ 695.591947] unevictable:0 dirty:0 writeback:0 unstable:0 [ 695.591947] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 695.591947] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 695.591947] free:13773 free_pcp:174 free_cma:0 [ 695.594323] Call Trace: [ 695.603714] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 695.636663] <IRQ> [ 695.639231] 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 [ 695.666727] dump_stack+0x244/0x39d [ 695.668851] lowmem_reserve[]: 0 2818 6321 6321 [ 695.694956] ? dump_stack_print_info.cold.1+0x20/0x20 [ 695.698562] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 695.703149] warn_alloc.cold.116+0xb7/0x1bd [ 695.708313] lowmem_reserve[]: 0 0 3503 3503 [ 695.735804] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 695.740104] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 695.744421] ? lock_downgrade+0x900/0x900 [ 695.749253] lowmem_reserve[]: 0 0 0 0 [ 695.778140] ? trace_hardirqs_off+0xb8/0x310 [ 695.782258] 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 [ 695.786055] ? trace_hardirqs_off+0xb8/0x310 [ 695.790437] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 695.803972] __alloc_pages_slowpath+0x2651/0x2de0 [ 695.808371] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 695.824345] ? warn_alloc+0x120/0x120 [ 695.829146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 695.842749] ? warn_alloc+0x120/0x120 [ 695.846534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 695.855355] ? warn_alloc+0x120/0x120 [ 695.859130] 271 total pagecache pages [ 695.867713] ? print_usage_bug+0xc0/0xc0 [ 695.871499] 0 pages in swap cache [ 695.875294] ? print_usage_bug+0xc0/0xc0 [ 695.879330] Swap cache stats: add 0, delete 0, find 0/0 [ 695.882772] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 695.886809] Free swap = 0kB [ 695.892171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.897363] Total swap = 0kB [ 695.900381] ? should_fail+0x22d/0xd01 [ 695.905893] 1965979 pages RAM [ 695.908920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.912799] 0 pages HighMem/MovableOnly [ 695.915899] ? __lock_acquire+0x62f/0x4c20 [ 695.920983] 342854 pages reserved [ 695.924952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.929163] 0 pages cma reserved [ 695.932658] ? __lock_acquire+0x62f/0x4c20 [ 695.937814] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 695.941110] ? should_fail+0x22d/0xd01 [ 695.941135] ? mark_held_locks+0x130/0x130 [ 695.945463] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 695.951830] ? mark_held_locks+0x130/0x130 [ 695.955692] syz-fuzzer cpuset=/ mems_allowed=0 [ 695.959925] ? kvm_clock_read+0x18/0x30 [ 695.983129] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 695.988149] ? zap_class+0x640/0x640 [ 695.991862] ? __lock_acquire+0x62f/0x4c20 [ 695.996097] ? __lock_acquire+0x62f/0x4c20 [ 696.000337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.005885] ? check_preemption_disabled+0x48/0x280 [ 696.010916] ? __lock_is_held+0xb5/0x140 [ 696.014999] __alloc_pages_nodemask+0xad8/0xea0 [ 696.019674] ? zap_class+0x640/0x640 [ 696.023395] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 696.028425] ? find_held_lock+0x36/0x1c0 [ 696.032497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 696.037197] ? lock_downgrade+0x900/0x900 [ 696.041381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.046924] cache_grow_begin+0xa5/0x8c0 [ 696.050988] ? do_raw_spin_unlock+0xa7/0x330 [ 696.055404] fallback_alloc+0x204/0x2e0 [ 696.059386] ____cache_alloc_node+0x1c7/0x1e0 [ 696.063888] kmem_cache_alloc+0x1f8/0x730 [ 696.068054] __build_skb+0xab/0x430 [ 696.071685] ? skb_try_coalesce+0x1b70/0x1b70 [ 696.076198] ? trace_hardirqs_on+0xbd/0x310 [ 696.080518] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 696.085624] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 696.091179] ? trace_hardirqs_off_caller+0x310/0x310 [ 696.096809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.102352] ? check_preemption_disabled+0x48/0x280 [ 696.107375] __netdev_alloc_skb+0x2b5/0x450 [ 696.111745] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 696.117175] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 696.122278] ? mod_timer+0x631/0x1560 [ 696.126083] ? wake_up_klogd+0x180/0x180 [ 696.130144] ? br_send_bpdu_finish+0x20/0x20 [ 696.134563] ? mark_held_locks+0x130/0x130 [ 696.138801] ? __lock_acquire+0x62f/0x4c20 [ 696.143036] ? lockdep_hardirqs_on+0x240/0x5b0 [ 696.147625] ? kasan_check_read+0x11/0x20 [ 696.151780] br_send_config_bpdu+0xc9d/0x10a0 [ 696.156276] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 696.161954] br_transmit_config+0x8cd/0xbb0 [ 696.166279] ? find_held_lock+0x36/0x1c0 [ 696.170358] ? br_get_port+0x280/0x280 [ 696.174250] ? lock_acquire+0x1ed/0x520 [ 696.178230] ? br_hello_timer_expired+0x20/0x190 [ 696.182991] ? kasan_check_read+0x11/0x20 [ 696.187153] br_config_bpdu_generation+0x16a/0x1c0 [ 696.192100] br_hello_timer_expired+0xa9/0x190 [ 696.196684] call_timer_fn+0x272/0x920 [ 696.200587] ? br_is_root_bridge+0x40/0x40 [ 696.204823] ? process_timeout+0x40/0x40 [ 696.208891] ? __run_timers+0x7da/0xc70 [ 696.212864] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.217357] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.221851] ? br_is_root_bridge+0x40/0x40 [ 696.226100] ? lockdep_hardirqs_on+0x296/0x5b0 [ 696.230685] ? trace_hardirqs_on+0xbd/0x310 [ 696.235010] ? kasan_check_read+0x11/0x20 [ 696.239156] ? __run_timers+0x7da/0xc70 [ 696.243141] ? trace_hardirqs_off_caller+0x310/0x310 [ 696.248322] ? br_is_root_bridge+0x40/0x40 [ 696.252554] __run_timers+0x7e5/0xc70 [ 696.256366] ? timer_fixup_init+0x70/0x70 [ 696.260517] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 696.265534] ? zap_class+0x640/0x640 [ 696.269253] ? enqueue_hrtimer+0x1a5/0x560 [ 696.273494] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 696.278704] ? find_held_lock+0x36/0x1c0 [ 696.282770] ? zap_class+0x640/0x640 [ 696.286490] ? pvclock_read_flags+0x160/0x160 [ 696.290985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.296537] ? check_preemption_disabled+0x48/0x280 [ 696.301567] ? __lock_is_held+0xb5/0x140 [ 696.305631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.311168] ? check_preemption_disabled+0x48/0x280 [ 696.316189] run_timer_softirq+0x52/0xb0 [ 696.320254] ? rcu_read_lock_sched_held+0x14f/0x180 [ 696.325292] __do_softirq+0x308/0xb7e [ 696.329099] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 696.333594] ? lock_downgrade+0x900/0x900 [ 696.337764] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 696.342889] ? pvclock_read_flags+0x160/0x160 [ 696.347387] ? lapic_next_event+0x5a/0x90 [ 696.351537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.357117] ? kvm_clock_read+0x18/0x30 [ 696.361091] ? kvm_sched_clock_read+0x9/0x20 [ 696.365504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.371040] ? check_preemption_disabled+0x48/0x280 [ 696.376075] irq_exit+0x17f/0x1c0 [ 696.379549] smp_apic_timer_interrupt+0x1cb/0x760 [ 696.384392] ? smp_reschedule_interrupt+0x109/0x650 [ 696.389431] ? smp_call_function_single_interrupt+0x650/0x650 [ 696.395317] ? interrupt_entry+0xb5/0xc0 [ 696.399374] ? trace_hardirqs_off_caller+0xbb/0x310 [ 696.404385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 696.409407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.414248] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.419291] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.424336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.429184] apic_timer_interrupt+0xf/0x20 [ 696.433428] </IRQ> [ 696.435680] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 696.441580] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 696.460494] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 696.468296] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 696.475610] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 696.482894] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 696.490158] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 696.497425] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 696.504719] ? save_stack+0xa9/0xd0 [ 696.508357] __kmalloc_node_track_caller+0x3c/0x70 [ 696.513297] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 696.518069] pskb_expand_head+0x230/0x10f0 [ 696.522308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 696.527763] ? memcpy+0x45/0x50 [ 696.531049] ? __copy_skb_header+0x350/0x6b0 [ 696.535477] ? skb_release_data+0x880/0x880 [ 696.539810] ? __alloc_skb+0x770/0x770 [ 696.543706] ? __lock_is_held+0xb5/0x140 [ 696.547777] ? kasan_check_write+0x14/0x20 [ 696.552028] ? __skb_clone+0x6c7/0xa00 [ 696.555940] ? __copy_skb_header+0x6b0/0x6b0 [ 696.560349] ? kmem_cache_alloc+0x33a/0x730 [ 696.564681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.570221] skb_ensure_writable+0x3dd/0x640 [ 696.574631] ? skb_checksum_setup+0xaa0/0xaa0 [ 696.579127] ? preempt_notifier_register+0x200/0x200 [ 696.584226] ? __switch_to_asm+0x34/0x70 [ 696.588303] ? __switch_to_asm+0x34/0x70 [ 696.592379] ? __switch_to_asm+0x40/0x70 [ 696.596468] ? __switch_to_asm+0x34/0x70 [ 696.600524] ? __switch_to_asm+0x40/0x70 [ 696.604585] ? __switch_to_asm+0x40/0x70 [ 696.608643] ? __switch_to_asm+0x34/0x70 [ 696.612734] ? __switch_to_asm+0x34/0x70 [ 696.616804] ? __switch_to_asm+0x40/0x70 [ 696.620867] ? __switch_to_asm+0x34/0x70 [ 696.624932] bpf_clone_redirect+0x14a/0x490 [ 696.629267] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 696.634301] ? __sched_text_start+0x8/0x8 [ 696.638448] ? retint_kernel+0x2d/0x2d [ 696.642345] ? find_held_lock+0x36/0x1c0 [ 696.646414] ? lock_acquire+0x1ed/0x520 [ 696.650388] ? bpf_test_run+0x3cb/0x780 [ 696.654366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.659909] ? check_preemption_disabled+0x48/0x280 [ 696.664932] ? kasan_check_read+0x11/0x20 [ 696.669095] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 696.674374] ? rcu_softirq_qs+0x20/0x20 [ 696.678349] ? preempt_schedule+0x4d/0x60 [ 696.682499] ? ___preempt_schedule+0x16/0x18 [ 696.686914] ? bpf_test_run+0x25d/0x780 [ 696.690904] ? netlink_diag_dump+0x2a0/0x2a0 [ 696.695321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.700858] ? bpf_test_init.isra.10+0x70/0x100 [ 696.705556] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 696.710329] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.715170] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 696.720724] ? fput+0x130/0x1a0 [ 696.724036] ? __bpf_prog_get+0x9b/0x290 [ 696.728133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.732982] ? bpf_prog_test_run+0x130/0x1a0 [ 696.737406] ? __x64_sys_bpf+0x3d8/0x520 [ 696.741468] ? bpf_prog_get+0x20/0x20 [ 696.745294] ? do_syscall_64+0x1b9/0x820 [ 696.749353] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 696.754720] ? syscall_return_slowpath+0x5e0/0x5e0 [ 696.759652] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.764666] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 696.769718] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 696.776381] ? __switch_to_asm+0x40/0x70 [ 696.780436] ? __switch_to_asm+0x34/0x70 [ 696.784515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.789377] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 696.794777] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 696.794918] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 696.801814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.812280] syz-executor3 cpuset=syz3 mems_allowed=0 [ 696.821625] Call Trace: [ 696.829295] <IRQ> [ 696.831453] dump_stack+0x244/0x39d [ 696.835084] ? dump_stack_print_info.cold.1+0x20/0x20 [ 696.840309] warn_alloc.cold.116+0xb7/0x1bd [ 696.844628] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 696.849502] ? lock_downgrade+0x900/0x900 [ 696.853690] ? trace_hardirqs_off+0xb8/0x310 [ 696.858103] ? trace_hardirqs_off+0xb8/0x310 [ 696.862517] __alloc_pages_slowpath+0x2651/0x2de0 [ 696.867411] ? warn_alloc+0x120/0x120 [ 696.871214] ? print_usage_bug+0xc0/0xc0 [ 696.875277] ? warn_alloc+0x120/0x120 [ 696.879094] ? warn_alloc+0x120/0x120 [ 696.882899] ? print_usage_bug+0xc0/0xc0 [ 696.886955] ? kvm_clock_read+0x18/0x30 [ 696.890943] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 696.895956] ? print_usage_bug+0xc0/0xc0 [ 696.900016] ? __lock_acquire+0x62f/0x4c20 [ 696.904259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.909814] ? should_fail+0x22d/0xd01 [ 696.913698] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 696.918978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.924077] ? __lock_acquire+0x62f/0x4c20 [ 696.928323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.933422] ? __lock_acquire+0x62f/0x4c20 [ 696.937656] ? should_fail+0x22d/0xd01 [ 696.941541] ? rcu_irq_exit+0x1a2/0x390 [ 696.945553] ? mark_held_locks+0x130/0x130 [ 696.949794] ? mark_held_locks+0x130/0x130 [ 696.954038] ? mark_held_locks+0xc7/0x130 [ 696.958202] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 696.963221] ? zap_class+0x640/0x640 [ 696.966948] ? print_usage_bug+0xc0/0xc0 [ 696.971028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.976578] ? check_preemption_disabled+0x48/0x280 [ 696.981606] ? __lock_is_held+0xb5/0x140 [ 696.985673] __alloc_pages_nodemask+0xad8/0xea0 [ 696.990366] ? zap_class+0x640/0x640 [ 696.994082] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 696.999108] ? find_held_lock+0x36/0x1c0 [ 697.003208] ? ____cache_alloc_node+0x1c7/0x1e0 [ 697.007894] ? lock_downgrade+0x900/0x900 [ 697.012057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.017602] cache_grow_begin+0xa5/0x8c0 [ 697.021665] ? do_raw_spin_unlock+0xa7/0x330 [ 697.026081] fallback_alloc+0x204/0x2e0 [ 697.030063] ____cache_alloc_node+0x1c7/0x1e0 [ 697.034568] kmem_cache_alloc_node+0xe3/0x730 [ 697.039063] ? ipv6_get_ifaddr+0x42e/0x620 [ 697.043333] __alloc_skb+0x119/0x770 [ 697.047043] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.052339] ? netdev_alloc_frag+0x1f0/0x1f0 [ 697.056778] ? lock_downgrade+0x900/0x900 [ 697.060948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.066483] ? refcount_sub_and_test_checked+0x203/0x310 [ 697.071940] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 697.077393] ? addrconf_rs_timer+0x690/0x690 [ 697.081815] ndisc_alloc_skb+0x144/0x340 [ 697.085885] ndisc_send_rs+0x331/0x6e0 [ 697.089778] addrconf_rs_timer+0x314/0x690 [ 697.094021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 697.098280] call_timer_fn+0x272/0x920 [ 697.102176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 697.106409] ? process_timeout+0x40/0x40 [ 697.110480] ? mark_held_locks+0xc7/0x130 [ 697.114643] ? _raw_spin_unlock_irq+0x27/0x80 [ 697.119133] ? _raw_spin_unlock_irq+0x27/0x80 [ 697.123625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 697.127862] ? lockdep_hardirqs_on+0x296/0x5b0 [ 697.132446] ? trace_hardirqs_on+0xbd/0x310 [ 697.136781] ? kasan_check_read+0x11/0x20 [ 697.140931] ? __run_timers+0x7da/0xc70 [ 697.144906] ? trace_hardirqs_off_caller+0x310/0x310 [ 697.150013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 697.154251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 697.158492] __run_timers+0x7e5/0xc70 [ 697.162309] ? timer_fixup_init+0x70/0x70 [ 697.166458] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 697.171478] ? zap_class+0x640/0x640 [ 697.175199] ? print_usage_bug+0xc0/0xc0 [ 697.179275] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 697.184501] ? find_held_lock+0x36/0x1c0 [ 697.188603] ? zap_class+0x640/0x640 [ 697.192348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.197927] ? check_preemption_disabled+0x48/0x280 [ 697.202968] ? __lock_is_held+0xb5/0x140 [ 697.207042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.212625] ? check_preemption_disabled+0x48/0x280 [ 697.217644] run_timer_softirq+0x52/0xb0 [ 697.221705] ? rcu_read_lock_sched_held+0x14f/0x180 [ 697.226733] __do_softirq+0x308/0xb7e [ 697.230540] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 697.235043] ? lock_downgrade+0x900/0x900 [ 697.239197] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 697.244330] ? pvclock_read_flags+0x160/0x160 [ 697.248830] ? lapic_next_event+0x5a/0x90 [ 697.252980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.258534] ? kvm_clock_read+0x18/0x30 [ 697.262550] ? kvm_sched_clock_read+0x9/0x20 [ 697.266963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.272505] ? check_preemption_disabled+0x48/0x280 [ 697.277531] irq_exit+0x17f/0x1c0 [ 697.280995] smp_apic_timer_interrupt+0x1cb/0x760 [ 697.285842] ? smp_call_function_single_interrupt+0x159/0x650 [ 697.291740] ? smp_call_function_single_interrupt+0x650/0x650 [ 697.297643] ? interrupt_entry+0xb5/0xc0 [ 697.301710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.306720] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.311764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.316608] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.321629] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.326687] ? task_prio+0x50/0x50 [ 697.330245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.335784] ? check_preemption_disabled+0x48/0x280 [ 697.340811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.345665] apic_timer_interrupt+0xf/0x20 [ 697.349895] </IRQ> [ 697.352130] RIP: 0010:rcu_is_watching+0x0/0x30 [ 697.356714] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 697.375611] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 697.383331] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 697.390616] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 697.397899] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 697.405164] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 697.412428] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 697.419731] ? list_lru_count_one+0x253/0x450 [ 697.424225] ? list_lru_count_one+0x35d/0x450 [ 697.428726] ? list_lru_count_one+0x362/0x450 [ 697.433224] ? list_lru_isolate_move+0x3c0/0x3c0 [ 697.437982] ? shmem_free_inode+0xd0/0xd0 [ 697.442180] ? __lock_is_held+0xb5/0x140 [ 697.446262] super_cache_count+0x1b9/0x2e0 [ 697.450539] do_shrink_slab+0x1b1/0xd30 [ 697.454532] ? snapshot_refaults+0x290/0x290 [ 697.458950] ? lock_release+0xa00/0xa00 [ 697.462928] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 697.467867] ? down_read_trylock+0xda/0x140 [ 697.472184] ? shrink_slab+0x207/0x8c0 [ 697.476074] ? downgrade_write+0x270/0x270 [ 697.480334] shrink_slab+0x389/0x8c0 [ 697.484047] ? shrink_active_list+0x1f00/0x1f00 [ 697.488725] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 697.494356] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 697.499482] ? cgroup_procs_write_finish+0xf0/0xf0 [ 697.504417] ? find_held_lock+0x36/0x1c0 [ 697.508486] shrink_node+0x431/0x16b0 [ 697.512297] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 697.517607] ? shrink_node_memcg+0x18f0/0x18f0 [ 697.522195] ? kvm_clock_read+0x18/0x30 [ 697.526191] ? ktime_get+0x2c1/0x400 [ 697.529938] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 697.534447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.539983] ? __cpuset_node_allowed+0x19b/0x660 [ 697.544744] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 697.550462] ? delayacct_end+0x5a/0x100 [ 697.554450] do_try_to_free_pages+0x3e7/0x1290 [ 697.559032] ? zap_class+0x640/0x640 [ 697.562763] ? shrink_node+0x16b0/0x16b0 [ 697.566863] ? __lock_is_held+0xb5/0x140 [ 697.570942] try_to_free_pages+0x4d0/0xb90 [ 697.575184] ? do_try_to_free_pages+0x1290/0x1290 [ 697.580045] ? lock_acquire+0x1ed/0x520 [ 697.584022] ? set_page_refcounted+0x280/0x280 [ 697.588612] ? lock_release+0xa00/0xa00 [ 697.592609] ? _raw_spin_unlock_irq+0x60/0x80 [ 697.597104] ? psi_memstall_enter+0x240/0x2b0 [ 697.601616] ? psi_memstall_tick+0x230/0x230 [ 697.606038] __alloc_pages_slowpath+0xa48/0x2de0 [ 697.610827] ? warn_alloc+0x120/0x120 [ 697.614631] ? mark_held_locks+0x130/0x130 [ 697.618876] ? find_get_entry+0xaae/0x1120 [ 697.623126] ? filemap_map_pages+0x1a20/0x1a20 [ 697.627713] ? zap_class+0x640/0x640 [ 697.631440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.636983] ? check_preemption_disabled+0x48/0x280 [ 697.641999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.647540] ? should_fail+0x22d/0xd01 [ 697.651436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 697.656563] ? zap_class+0x640/0x640 [ 697.660316] ? __lock_is_held+0xb5/0x140 [ 697.664419] ? mark_held_locks+0x130/0x130 [ 697.668659] ? lock_release+0xa00/0xa00 [ 697.672637] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.678090] ? xa_load+0x2ba/0x460 [ 697.681630] ? lock_downgrade+0x900/0x900 [ 697.685784] ? __might_sleep+0x95/0x190 [ 697.689763] __alloc_pages_nodemask+0xad8/0xea0 [ 697.694446] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 697.699467] ? __page_cache_alloc+0x191/0x5c0 [ 697.703959] ? xa_load+0x2e1/0x460 [ 697.707501] ? xa_clear_mark+0x40/0x40 [ 697.711387] ? zap_class+0x640/0x640 [ 697.715109] ? zap_class+0x640/0x640 [ 697.718820] ? zap_class+0x640/0x640 [ 697.722533] ? __do_page_cache_readahead+0x663/0x810 [ 697.727698] ? find_held_lock+0x36/0x1c0 [ 697.731768] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.737316] alloc_pages_current+0x173/0x350 [ 697.741732] __page_cache_alloc+0x38c/0x5c0 [ 697.746050] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.750980] ? kasan_check_read+0x11/0x20 [ 697.755134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.760414] ? generic_perform_write+0x6a0/0x6a0 [ 697.765170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.770709] ? check_preemption_disabled+0x48/0x280 [ 697.775734] filemap_fault+0x1595/0x25f0 [ 697.779811] ? __lock_page_or_retry+0xa00/0xa00 [ 697.784487] ? mark_held_locks+0x130/0x130 [ 697.788734] ? filemap_map_pages+0xd6b/0x1a20 [ 697.793233] ? lock_downgrade+0x900/0x900 [ 697.797380] ? check_preemption_disabled+0x48/0x280 [ 697.802405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.807338] ? kasan_check_read+0x11/0x20 [ 697.811483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.816763] ? rcu_softirq_qs+0x20/0x20 [ 697.820756] ? filemap_map_pages+0xd92/0x1a20 [ 697.825264] ? find_get_entries_tag+0x1400/0x1400 [ 697.830149] ? debug_object_destroy+0x2b0/0x2b0 [ 697.834822] ? lock_pi_update_atomic+0x150/0x150 [ 697.839609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.845176] ? lock_acquire+0x1ed/0x520 [ 697.849150] ? ext4_filemap_fault+0x7a/0xad [ 697.853505] ? lock_release+0xa00/0xa00 [ 697.857483] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.862933] ? print_usage_bug+0xc0/0xc0 [ 697.867015] ? print_usage_bug+0xc0/0xc0 [ 697.871090] ? down_read+0x8d/0x120 [ 697.874718] ? ext4_filemap_fault+0x7a/0xad [ 697.879039] ? __down_interruptible+0x700/0x700 [ 697.883719] ext4_filemap_fault+0x82/0xad [ 697.887873] __do_fault+0x100/0x6b0 [ 697.891502] ? release_sock+0x1ec/0x2c0 [ 697.895484] ? pmd_devmap_trans_unstable+0x220/0x220 [ 697.900591] ? mark_held_locks+0x130/0x130 [ 697.904828] ? mark_held_locks+0x130/0x130 [ 697.909061] ? lock_sock_nested+0x9a/0x120 [ 697.913304] ? __release_sock+0x3a0/0x3a0 [ 697.917457] ? __local_bh_enable_ip+0x160/0x260 [ 697.922134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.927711] __handle_mm_fault+0x3ea0/0x5be0 [ 697.932154] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 697.937004] ? apparmor_socket_sendmsg+0x29/0x30 [ 697.941756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.947302] ? security_socket_sendmsg+0x94/0xc0 [ 697.952095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.957652] ? zap_class+0x640/0x640 [ 697.961371] ? zap_class+0x640/0x640 [ 697.965319] ? __x64_sys_futex+0x53e/0x6a0 [ 697.969566] ? find_held_lock+0x36/0x1c0 [ 697.973637] ? handle_mm_fault+0x42a/0xc70 [ 697.977874] ? lock_downgrade+0x900/0x900 [ 697.982026] ? check_preemption_disabled+0x48/0x280 [ 697.987046] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.991973] ? kasan_check_read+0x11/0x20 [ 697.996121] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 698.001401] ? rcu_softirq_qs+0x20/0x20 [ 698.005375] ? trace_hardirqs_off_caller+0x310/0x310 [ 698.010485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.016037] ? check_preemption_disabled+0x48/0x280 [ 698.021076] handle_mm_fault+0x54f/0xc70 [ 698.025143] ? __handle_mm_fault+0x5be0/0x5be0 [ 698.029728] ? find_vma+0x34/0x190 [ 698.033313] __do_page_fault+0x5e8/0xe60 [ 698.037377] ? trace_hardirqs_off+0xb8/0x310 [ 698.041787] ? __ia32_sys_read+0xb0/0xb0 [ 698.046035] do_page_fault+0xf2/0x7e0 [ 698.049838] ? vmalloc_sync_all+0x30/0x30 [ 698.054005] ? error_entry+0x70/0xd0 [ 698.057744] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.062770] ? trace_hardirqs_on_caller+0xc0/0x310 [ 698.067713] ? syscall_return_slowpath+0x5e0/0x5e0 [ 698.072639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.077501] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.082516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 698.087978] ? prepare_exit_to_usermode+0x291/0x3b0 [ 698.092991] ? page_fault+0x8/0x30 [ 698.096734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.101586] ? page_fault+0x8/0x30 [ 698.105130] page_fault+0x1e/0x30 [ 698.108595] RIP: 0033:0x45ddf3 [ 698.111796] Code: Bad RIP value. [ 698.115170] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 698.120557] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 698.127822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 698.135175] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 698.142445] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 698.149711] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 698.157005] warn_alloc_show_mem: 1 callbacks suppressed [ 698.157017] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 698.157019] Mem-Info: [ 698.157050] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 698.157050] active_file:13 inactive_file:14 isolated_file:0 [ 698.157050] unevictable:0 dirty:0 writeback:0 unstable:0 [ 698.157050] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 698.157050] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 698.157050] free:13773 free_pcp:174 free_cma:0 [ 698.162394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.169673] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 698.172079] Call Trace: [ 698.205043] 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 [ 698.214399] <IRQ> [ 698.241883] lowmem_reserve[]: 0 2818 6321 6321 [ 698.244484] dump_stack+0x244/0x39d [ 698.270594] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 698.272799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 698.277352] lowmem_reserve[]: 0 0 3503 3503 [ 698.280997] warn_alloc.cold.116+0xb7/0x1bd [ 698.308462] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 698.313647] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 698.317959] lowmem_reserve[]: 0 0 0 0 [ 698.322297] ? lock_downgrade+0x900/0x900 [ 698.351165] 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 [ 698.356015] ? trace_hardirqs_off+0xb8/0x310 [ 698.359782] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 698.363924] ? trace_hardirqs_off+0xb8/0x310 [ 698.377418] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 698.381825] __alloc_pages_slowpath+0x2651/0x2de0 [ 698.397755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 698.402177] ? warn_alloc+0x120/0x120 [ 698.415743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 698.420578] ? warn_alloc+0x120/0x120 [ 698.429407] 271 total pagecache pages [ 698.433223] ? warn_alloc+0x120/0x120 [ 698.441777] 0 pages in swap cache [ 698.445581] ? print_usage_bug+0xc0/0xc0 [ 698.449359] Swap cache stats: add 0, delete 0, find 0/0 [ 698.453148] ? enqueue_hrtimer+0x1a5/0x560 [ 698.456581] Free swap = 0kB [ 698.460634] ? print_usage_bug+0xc0/0xc0 [ 698.465974] Total swap = 0kB [ 698.470200] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 698.473198] 1965979 pages RAM [ 698.477257] ? print_usage_bug+0xc0/0xc0 [ 698.480247] 0 pages HighMem/MovableOnly [ 698.485431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.488526] 342854 pages reserved [ 698.492583] ? should_fail+0x22d/0xd01 [ 698.496531] 0 pages cma reserved [ 698.502064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.505573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 698.509388] ? __lock_acquire+0x62f/0x4c20 [ 698.512938] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 698.517836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.524311] syz-fuzzer cpuset=/ mems_allowed=0 [ 698.528532] ? __lock_acquire+0x62f/0x4c20 [ 698.528548] ? should_fail+0x22d/0xd01 [ 698.556519] ? mark_held_locks+0x130/0x130 [ 698.560759] ? mark_held_locks+0x130/0x130 [ 698.565001] ? mark_held_locks+0x130/0x130 [ 698.569253] ? zap_class+0x640/0x640 [ 698.572978] ? check_preemption_disabled+0x48/0x280 [ 698.578012] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 698.582517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.588059] ? check_preemption_disabled+0x48/0x280 [ 698.593112] ? __lock_is_held+0xb5/0x140 [ 698.597177] __alloc_pages_nodemask+0xad8/0xea0 [ 698.601865] ? zap_class+0x640/0x640 [ 698.605583] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 698.610610] ? find_held_lock+0x36/0x1c0 [ 698.614681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 698.619356] ? lock_downgrade+0x900/0x900 [ 698.623517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.629062] cache_grow_begin+0xa5/0x8c0 [ 698.633127] ? do_raw_spin_unlock+0xa7/0x330 [ 698.637548] fallback_alloc+0x204/0x2e0 [ 698.641534] ____cache_alloc_node+0x1c7/0x1e0 [ 698.646052] kmem_cache_alloc+0x1f8/0x730 [ 698.650242] __build_skb+0xab/0x430 [ 698.653873] ? skb_try_coalesce+0x1b70/0x1b70 [ 698.658368] ? trace_hardirqs_on+0xbd/0x310 [ 698.662694] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 698.668235] ? trace_hardirqs_off_caller+0x310/0x310 [ 698.673338] ? mod_timer+0x631/0x1560 [ 698.677140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.682678] ? check_preemption_disabled+0x48/0x280 [ 698.687703] __netdev_alloc_skb+0x2b5/0x450 [ 698.692037] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 698.697412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 698.702519] ? mod_timer+0x631/0x1560 [ 698.706322] ? wake_up_klogd+0x180/0x180 [ 698.710385] ? br_send_bpdu_finish+0x20/0x20 [ 698.714802] ? mark_held_locks+0x130/0x130 [ 698.719037] ? __lock_acquire+0x62f/0x4c20 [ 698.723278] ? lockdep_hardirqs_on+0x240/0x5b0 [ 698.727877] ? kasan_check_read+0x11/0x20 [ 698.732031] br_send_config_bpdu+0xc9d/0x10a0 [ 698.736537] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 698.742191] ? round_jiffies+0x11c/0x170 [ 698.746267] br_transmit_config+0x8cd/0xbb0 [ 698.750606] ? find_held_lock+0x36/0x1c0 [ 698.754670] ? br_get_port+0x280/0x280 [ 698.758558] ? lock_acquire+0x1ed/0x520 [ 698.762532] ? br_hello_timer_expired+0x20/0x190 [ 698.767310] ? kasan_check_read+0x11/0x20 [ 698.771489] br_config_bpdu_generation+0x16a/0x1c0 [ 698.776425] br_hello_timer_expired+0xa9/0x190 [ 698.781009] call_timer_fn+0x272/0x920 [ 698.784895] ? br_is_root_bridge+0x40/0x40 [ 698.789127] ? process_timeout+0x40/0x40 [ 698.793194] ? __run_timers+0x7da/0xc70 [ 698.797173] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.801665] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.806155] ? br_is_root_bridge+0x40/0x40 [ 698.810390] ? lockdep_hardirqs_on+0x296/0x5b0 [ 698.814976] ? trace_hardirqs_on+0xbd/0x310 [ 698.819307] ? kasan_check_read+0x11/0x20 [ 698.823466] ? __run_timers+0x7da/0xc70 [ 698.827442] ? trace_hardirqs_off_caller+0x310/0x310 [ 698.832560] ? br_is_root_bridge+0x40/0x40 [ 698.836792] __run_timers+0x7e5/0xc70 [ 698.840627] ? timer_fixup_init+0x70/0x70 [ 698.844774] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 698.849826] ? zap_class+0x640/0x640 [ 698.853547] ? enqueue_hrtimer+0x1a5/0x560 [ 698.857787] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 698.862986] ? find_held_lock+0x36/0x1c0 [ 698.867056] ? zap_class+0x640/0x640 [ 698.870779] ? pvclock_read_flags+0x160/0x160 [ 698.875280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.880831] ? check_preemption_disabled+0x48/0x280 [ 698.885861] ? __lock_is_held+0xb5/0x140 [ 698.889928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.895463] ? check_preemption_disabled+0x48/0x280 [ 698.900485] run_timer_softirq+0x52/0xb0 [ 698.904545] ? rcu_read_lock_sched_held+0x14f/0x180 [ 698.909564] __do_softirq+0x308/0xb7e [ 698.913378] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 698.917868] ? lock_downgrade+0x900/0x900 [ 698.922016] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 698.927149] ? pvclock_read_flags+0x160/0x160 [ 698.931647] ? lapic_next_event+0x5a/0x90 [ 698.935799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.941347] ? kvm_clock_read+0x18/0x30 [ 698.945330] ? kvm_sched_clock_read+0x9/0x20 [ 698.949744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.955295] ? check_preemption_disabled+0x48/0x280 [ 698.960355] irq_exit+0x17f/0x1c0 [ 698.963828] smp_apic_timer_interrupt+0x1cb/0x760 [ 698.968673] ? smp_reschedule_interrupt+0x109/0x650 [ 698.973695] ? smp_call_function_single_interrupt+0x650/0x650 [ 698.979580] ? interrupt_entry+0xb5/0xc0 [ 698.983657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.988670] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.993691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.998535] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.003548] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.008580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.013464] apic_timer_interrupt+0xf/0x20 [ 699.017735] </IRQ> [ 699.020005] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 699.025908] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 699.044811] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 699.052531] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 699.059810] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 699.067079] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 699.074358] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 699.081625] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 699.088920] ? save_stack+0xa9/0xd0 [ 699.092610] __kmalloc_node_track_caller+0x3c/0x70 [ 699.097567] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 699.102330] pskb_expand_head+0x230/0x10f0 [ 699.106565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 699.112021] ? memcpy+0x45/0x50 [ 699.115328] ? __copy_skb_header+0x350/0x6b0 [ 699.119739] ? skb_release_data+0x880/0x880 [ 699.124068] ? __alloc_skb+0x770/0x770 [ 699.127980] ? __lock_is_held+0xb5/0x140 [ 699.132055] ? kasan_check_write+0x14/0x20 [ 699.136301] ? __skb_clone+0x6c7/0xa00 [ 699.140194] ? __copy_skb_header+0x6b0/0x6b0 [ 699.144605] ? kmem_cache_alloc+0x33a/0x730 [ 699.148933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.154481] skb_ensure_writable+0x3dd/0x640 [ 699.158918] ? skb_checksum_setup+0xaa0/0xaa0 [ 699.163416] ? preempt_notifier_register+0x200/0x200 [ 699.168518] ? __switch_to_asm+0x34/0x70 [ 699.172596] ? __switch_to_asm+0x34/0x70 [ 699.176692] ? __switch_to_asm+0x40/0x70 [ 699.180745] ? __switch_to_asm+0x34/0x70 [ 699.184844] ? __switch_to_asm+0x40/0x70 [ 699.188933] ? __switch_to_asm+0x40/0x70 [ 699.192987] ? __switch_to_asm+0x34/0x70 [ 699.197061] ? __switch_to_asm+0x34/0x70 [ 699.201118] ? __switch_to_asm+0x40/0x70 [ 699.205174] ? __switch_to_asm+0x34/0x70 [ 699.209244] bpf_clone_redirect+0x14a/0x490 [ 699.213571] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 699.218595] ? __sched_text_start+0x8/0x8 [ 699.222746] ? retint_kernel+0x2d/0x2d [ 699.226642] ? find_held_lock+0x36/0x1c0 [ 699.230727] ? lock_acquire+0x1ed/0x520 [ 699.234702] ? bpf_test_run+0x3cb/0x780 [ 699.238676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.244215] ? check_preemption_disabled+0x48/0x280 [ 699.249248] ? kasan_check_read+0x11/0x20 [ 699.253403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 699.258734] ? rcu_softirq_qs+0x20/0x20 [ 699.262709] ? preempt_schedule+0x4d/0x60 [ 699.266858] ? ___preempt_schedule+0x16/0x18 [ 699.271298] ? bpf_test_run+0x25d/0x780 [ 699.275298] ? netlink_diag_dump+0x2a0/0x2a0 [ 699.279711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.285250] ? bpf_test_init.isra.10+0x70/0x100 [ 699.289934] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 699.294698] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 699.299536] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 699.305084] ? fput+0x130/0x1a0 [ 699.308410] ? __bpf_prog_get+0x9b/0x290 [ 699.312488] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 699.317377] ? bpf_prog_test_run+0x130/0x1a0 [ 699.321787] ? __x64_sys_bpf+0x3d8/0x520 [ 699.325844] ? bpf_prog_get+0x20/0x20 [ 699.329675] ? do_syscall_64+0x1b9/0x820 [ 699.333732] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 699.339098] ? syscall_return_slowpath+0x5e0/0x5e0 [ 699.344031] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.349072] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 699.354177] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 699.360859] ? __switch_to_asm+0x40/0x70 [ 699.364918] ? __switch_to_asm+0x34/0x70 [ 699.368985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.373834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 699.379230] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 699.379381] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 699.386246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 699.396713] syz-executor3 cpuset=syz3 mems_allowed=0 [ 699.406049] Call Trace: [ 699.406072] <IRQ> [ 699.415875] dump_stack+0x244/0x39d [ 699.419508] ? dump_stack_print_info.cold.1+0x20/0x20 [ 699.424711] warn_alloc.cold.116+0xb7/0x1bd [ 699.429050] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 699.433895] ? lock_downgrade+0x900/0x900 [ 699.438050] ? trace_hardirqs_off+0xb8/0x310 [ 699.442465] ? trace_hardirqs_off+0xb8/0x310 [ 699.446881] __alloc_pages_slowpath+0x2651/0x2de0 [ 699.451767] ? warn_alloc+0x120/0x120 [ 699.455582] ? warn_alloc+0x120/0x120 [ 699.459386] ? warn_alloc+0x120/0x120 [ 699.463187] ? print_usage_bug+0xc0/0xc0 [ 699.467254] ? print_usage_bug+0xc0/0xc0 [ 699.471351] ? __lock_acquire+0x62f/0x4c20 [ 699.475601] ? __lock_acquire+0x62f/0x4c20 [ 699.479873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.485409] ? should_fail+0x22d/0xd01 [ 699.489322] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.494432] ? __lock_acquire+0x62f/0x4c20 [ 699.498671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.503770] ? __lock_acquire+0x62f/0x4c20 [ 699.507995] ? should_fail+0x22d/0xd01 [ 699.511887] ? mark_held_locks+0x130/0x130 [ 699.516142] ? mark_held_locks+0x130/0x130 [ 699.520393] ? __local_bh_enable_ip+0x160/0x260 [ 699.525062] ? lockdep_hardirqs_on+0x296/0x5b0 [ 699.529655] ? trace_hardirqs_on+0xbd/0x310 [ 699.533976] ? zap_class+0x640/0x640 [ 699.537691] ? print_usage_bug+0xc0/0xc0 [ 699.541756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.547326] ? check_preemption_disabled+0x48/0x280 [ 699.552357] ? __lock_is_held+0xb5/0x140 [ 699.556426] __alloc_pages_nodemask+0xad8/0xea0 [ 699.561121] ? zap_class+0x640/0x640 [ 699.564853] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 699.569886] ? find_held_lock+0x36/0x1c0 [ 699.573961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 699.578633] ? lock_downgrade+0x900/0x900 [ 699.582801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.588343] cache_grow_begin+0xa5/0x8c0 [ 699.592412] ? do_raw_spin_unlock+0xa7/0x330 [ 699.596829] fallback_alloc+0x204/0x2e0 [ 699.600811] ____cache_alloc_node+0x1c7/0x1e0 [ 699.605327] kmem_cache_alloc_node+0xe3/0x730 [ 699.609842] ? ipv6_get_ifaddr+0x42e/0x620 [ 699.614085] __alloc_skb+0x119/0x770 [ 699.617796] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 699.623071] ? netdev_alloc_frag+0x1f0/0x1f0 [ 699.627476] ? lock_downgrade+0x900/0x900 [ 699.631661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.637201] ? refcount_sub_and_test_checked+0x203/0x310 [ 699.642661] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 699.648110] ? addrconf_rs_timer+0x690/0x690 [ 699.652569] ndisc_alloc_skb+0x144/0x340 [ 699.656636] ndisc_send_rs+0x331/0x6e0 [ 699.660528] addrconf_rs_timer+0x314/0x690 [ 699.664794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.669038] call_timer_fn+0x272/0x920 [ 699.672925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.677179] ? process_timeout+0x40/0x40 [ 699.681252] ? mark_held_locks+0xc7/0x130 [ 699.685409] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.689908] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.694400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.698631] ? lockdep_hardirqs_on+0x296/0x5b0 [ 699.703215] ? trace_hardirqs_on+0xbd/0x310 [ 699.707536] ? kasan_check_read+0x11/0x20 [ 699.711749] ? __run_timers+0x7da/0xc70 [ 699.715726] ? trace_hardirqs_off_caller+0x310/0x310 [ 699.720845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.725080] __run_timers+0x7e5/0xc70 [ 699.728891] ? timer_fixup_init+0x70/0x70 [ 699.733046] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 699.738065] ? zap_class+0x640/0x640 [ 699.741832] ? print_usage_bug+0xc0/0xc0 [ 699.745942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 699.751142] ? find_held_lock+0x36/0x1c0 [ 699.755206] ? zap_class+0x640/0x640 [ 699.758925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.764468] ? check_preemption_disabled+0x48/0x280 [ 699.769497] ? __lock_is_held+0xb5/0x140 [ 699.773566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.779106] ? check_preemption_disabled+0x48/0x280 [ 699.784131] run_timer_softirq+0x52/0xb0 [ 699.788190] ? rcu_read_lock_sched_held+0x14f/0x180 [ 699.793221] __do_softirq+0x308/0xb7e [ 699.797026] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 699.801520] ? lock_downgrade+0x900/0x900 [ 699.805682] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 699.810796] ? pvclock_read_flags+0x160/0x160 [ 699.815302] ? lapic_next_event+0x5a/0x90 [ 699.819453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.824999] ? kvm_clock_read+0x18/0x30 [ 699.828974] ? kvm_sched_clock_read+0x9/0x20 [ 699.833383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.838923] ? check_preemption_disabled+0x48/0x280 [ 699.843944] irq_exit+0x17f/0x1c0 [ 699.847398] smp_apic_timer_interrupt+0x1cb/0x760 [ 699.852242] ? smp_call_function_single_interrupt+0x159/0x650 [ 699.858129] ? smp_call_function_single_interrupt+0x650/0x650 [ 699.864016] ? interrupt_entry+0xb5/0xc0 [ 699.868108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.873152] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.878173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.883021] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.888037] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.893068] ? task_prio+0x50/0x50 [ 699.896613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.902155] ? check_preemption_disabled+0x48/0x280 [ 699.907174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.912025] apic_timer_interrupt+0xf/0x20 [ 699.916268] </IRQ> [ 699.918515] RIP: 0010:rcu_is_watching+0x0/0x30 [ 699.923133] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 699.942032] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 699.949756] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 699.957025] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 699.964517] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 699.971792] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 699.979059] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 699.986351] ? list_lru_count_one+0x253/0x450 [ 699.990847] ? list_lru_count_one+0x35d/0x450 [ 699.995352] ? list_lru_count_one+0x362/0x450 [ 699.999849] ? list_lru_isolate_move+0x3c0/0x3c0 [ 700.004604] ? shmem_free_inode+0xd0/0xd0 [ 700.008755] ? __lock_is_held+0xb5/0x140 [ 700.012830] super_cache_count+0x1b9/0x2e0 [ 700.017069] do_shrink_slab+0x1b1/0xd30 [ 700.021055] ? snapshot_refaults+0x290/0x290 [ 700.025472] ? lock_release+0xa00/0xa00 [ 700.029455] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 700.034399] ? down_read_trylock+0xda/0x140 [ 700.038721] ? shrink_slab+0x207/0x8c0 [ 700.042611] ? downgrade_write+0x270/0x270 [ 700.046860] shrink_slab+0x389/0x8c0 [ 700.050585] ? shrink_active_list+0x1f00/0x1f00 [ 700.055262] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 700.060897] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 700.066010] ? cgroup_procs_write_finish+0xf0/0xf0 [ 700.070951] ? find_held_lock+0x36/0x1c0 [ 700.075019] shrink_node+0x431/0x16b0 [ 700.078821] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 700.084154] ? shrink_node_memcg+0x18f0/0x18f0 [ 700.088755] ? kvm_clock_read+0x18/0x30 [ 700.092746] ? ktime_get+0x2c1/0x400 [ 700.096616] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 700.101119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 700.106661] ? __cpuset_node_allowed+0x19b/0x660 [ 700.111426] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 700.117151] ? delayacct_end+0x5a/0x100 [ 700.121134] do_try_to_free_pages+0x3e7/0x1290 [ 700.125719] ? zap_class+0x640/0x640 [ 700.129454] ? shrink_node+0x16b0/0x16b0 [ 700.133535] ? __lock_is_held+0xb5/0x140 [ 700.137645] try_to_free_pages+0x4d0/0xb90 [ 700.141890] ? do_try_to_free_pages+0x1290/0x1290 [ 700.146743] ? lock_acquire+0x1ed/0x520 [ 700.150717] ? set_page_refcounted+0x280/0x280 [ 700.155315] ? lock_release+0xa00/0xa00 [ 700.159314] ? _raw_spin_unlock_irq+0x60/0x80 [ 700.163823] ? psi_memstall_enter+0x240/0x2b0 [ 700.168324] ? psi_memstall_tick+0x230/0x230 [ 700.172741] __alloc_pages_slowpath+0xa48/0x2de0 [ 700.177526] ? warn_alloc+0x120/0x120 [ 700.181332] ? mark_held_locks+0x130/0x130 [ 700.185575] ? find_get_entry+0xaae/0x1120 [ 700.189824] ? filemap_map_pages+0x1a20/0x1a20 [ 700.194415] ? zap_class+0x640/0x640 [ 700.198146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.203703] ? check_preemption_disabled+0x48/0x280 [ 700.208720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.214256] ? should_fail+0x22d/0xd01 [ 700.218157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.223259] ? zap_class+0x640/0x640 [ 700.227020] ? __lock_is_held+0xb5/0x140 [ 700.231095] ? mark_held_locks+0x130/0x130 [ 700.235336] ? lock_release+0xa00/0xa00 [ 700.239323] ? perf_trace_sched_process_exec+0x860/0x860 [ 700.244774] ? xa_load+0x2ba/0x460 [ 700.248328] ? lock_downgrade+0x900/0x900 [ 700.252501] ? __might_sleep+0x95/0x190 [ 700.256478] __alloc_pages_nodemask+0xad8/0xea0 [ 700.261154] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 700.266176] ? __page_cache_alloc+0x191/0x5c0 [ 700.270678] ? xa_load+0x2e1/0x460 [ 700.274215] ? xa_clear_mark+0x40/0x40 [ 700.278104] ? zap_class+0x640/0x640 [ 700.281827] ? zap_class+0x640/0x640 [ 700.285549] ? zap_class+0x640/0x640 [ 700.289260] ? __do_page_cache_readahead+0x663/0x810 [ 700.294378] ? find_held_lock+0x36/0x1c0 [ 700.298444] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.304008] alloc_pages_current+0x173/0x350 [ 700.308440] __page_cache_alloc+0x38c/0x5c0 [ 700.312762] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.317697] ? kasan_check_read+0x11/0x20 [ 700.321846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.327130] ? generic_perform_write+0x6a0/0x6a0 [ 700.331890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.337445] ? check_preemption_disabled+0x48/0x280 [ 700.342472] filemap_fault+0x1595/0x25f0 [ 700.346573] ? __lock_page_or_retry+0xa00/0xa00 [ 700.351252] ? mark_held_locks+0x130/0x130 [ 700.355509] ? filemap_map_pages+0xd6b/0x1a20 [ 700.360005] ? lock_downgrade+0x900/0x900 [ 700.364164] ? check_preemption_disabled+0x48/0x280 [ 700.369183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.374115] ? kasan_check_read+0x11/0x20 [ 700.378270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.383562] ? rcu_softirq_qs+0x20/0x20 [ 700.387574] ? filemap_map_pages+0xd92/0x1a20 [ 700.392085] ? find_get_entries_tag+0x1400/0x1400 [ 700.396932] ? debug_object_destroy+0x2b0/0x2b0 [ 700.401622] ? lock_pi_update_atomic+0x150/0x150 [ 700.406381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.411935] ? lock_acquire+0x1ed/0x520 [ 700.415910] ? ext4_filemap_fault+0x7a/0xad [ 700.420265] ? lock_release+0xa00/0xa00 [ 700.424250] ? perf_trace_sched_process_exec+0x860/0x860 [ 700.429708] ? print_usage_bug+0xc0/0xc0 [ 700.433772] ? print_usage_bug+0xc0/0xc0 [ 700.437850] ? down_read+0x8d/0x120 [ 700.441479] ? ext4_filemap_fault+0x7a/0xad [ 700.445805] ? __down_interruptible+0x700/0x700 [ 700.450483] ext4_filemap_fault+0x82/0xad [ 700.454646] __do_fault+0x100/0x6b0 [ 700.458293] ? release_sock+0x1ec/0x2c0 [ 700.462296] ? pmd_devmap_trans_unstable+0x220/0x220 [ 700.467403] ? mark_held_locks+0x130/0x130 [ 700.471639] ? mark_held_locks+0x130/0x130 [ 700.475871] ? lock_sock_nested+0x9a/0x120 [ 700.480118] ? __release_sock+0x3a0/0x3a0 [ 700.484271] ? __local_bh_enable_ip+0x160/0x260 [ 700.488968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.494512] __handle_mm_fault+0x3ea0/0x5be0 [ 700.498953] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 700.503808] ? apparmor_socket_sendmsg+0x29/0x30 [ 700.508568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.514106] ? security_socket_sendmsg+0x94/0xc0 [ 700.518868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.524420] ? zap_class+0x640/0x640 [ 700.528142] ? zap_class+0x640/0x640 [ 700.531870] ? __x64_sys_futex+0x53e/0x6a0 [ 700.536113] ? find_held_lock+0x36/0x1c0 [ 700.540195] ? handle_mm_fault+0x42a/0xc70 [ 700.544443] ? lock_downgrade+0x900/0x900 [ 700.548591] ? check_preemption_disabled+0x48/0x280 [ 700.553627] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.558580] ? kasan_check_read+0x11/0x20 [ 700.562731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.568007] ? rcu_softirq_qs+0x20/0x20 [ 700.571981] ? trace_hardirqs_off_caller+0x310/0x310 [ 700.577100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.582652] ? check_preemption_disabled+0x48/0x280 [ 700.587682] handle_mm_fault+0x54f/0xc70 [ 700.591753] ? __handle_mm_fault+0x5be0/0x5be0 [ 700.596368] ? find_vma+0x34/0x190 [ 700.599915] __do_page_fault+0x5e8/0xe60 [ 700.603990] ? trace_hardirqs_off+0xb8/0x310 [ 700.608424] ? __ia32_sys_read+0xb0/0xb0 [ 700.612510] do_page_fault+0xf2/0x7e0 [ 700.616321] ? vmalloc_sync_all+0x30/0x30 [ 700.620483] ? error_entry+0x70/0xd0 [ 700.624200] ? trace_hardirqs_off_caller+0xbb/0x310 [ 700.629214] ? trace_hardirqs_on_caller+0xc0/0x310 [ 700.634143] ? syscall_return_slowpath+0x5e0/0x5e0 [ 700.639084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.643928] ? trace_hardirqs_on_caller+0x310/0x310 [ 700.648942] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 700.654402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 700.659419] ? page_fault+0x8/0x30 [ 700.662963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.667810] ? page_fault+0x8/0x30 [ 700.671354] page_fault+0x1e/0x30 [ 700.674803] RIP: 0033:0x45ddf3 [ 700.678006] Code: Bad RIP value. [ 700.681377] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 700.686734] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 700.694004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 700.701293] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 700.708566] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 700.715833] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 700.723143] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 700.723149] warn_alloc_show_mem: 1 callbacks suppressed [ 700.723156] Mem-Info: [ 700.730431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.735803] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 700.735803] active_file:13 inactive_file:14 isolated_file:0 [ 700.735803] unevictable:0 dirty:0 writeback:0 unstable:0 [ 700.735803] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 700.735803] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 700.735803] free:13773 free_pcp:174 free_cma:0 [ 700.738176] Call Trace: [ 700.747567] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 700.780492] <IRQ> [ 700.783075] 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 [ 700.810573] dump_stack+0x244/0x39d [ 700.812696] lowmem_reserve[]: 0 2818 6321 6321 [ 700.838816] ? dump_stack_print_info.cold.1+0x20/0x20 [ 700.842419] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 700.847000] warn_alloc.cold.116+0xb7/0x1bd [ 700.852157] lowmem_reserve[]: 0 0 3503 3503 [ 700.879668] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 700.883972] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 700.888298] ? lock_downgrade+0x900/0x900 [ 700.893127] lowmem_reserve[]: 0 0 0 0 [ 700.922016] ? trace_hardirqs_off+0xb8/0x310 [ 700.926134] 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 [ 700.929932] ? trace_hardirqs_off+0xb8/0x310 [ 700.934316] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 700.947841] __alloc_pages_slowpath+0x2651/0x2de0 [ 700.952223] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 700.968202] ? warn_alloc+0x120/0x120 [ 700.973005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 700.986605] ? warn_alloc+0x120/0x120 [ 700.990385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 700.999209] ? warn_alloc+0x120/0x120 [ 701.002985] 271 total pagecache pages [ 701.011553] ? print_usage_bug+0xc0/0xc0 [ 701.015338] 0 pages in swap cache [ 701.019123] ? print_usage_bug+0xc0/0xc0 [ 701.023166] Swap cache stats: add 0, delete 0, find 0/0 [ 701.026622] ? print_usage_bug+0xc0/0xc0 [ 701.030660] Free swap = 0kB [ 701.036013] ? mark_held_locks+0x130/0x130 [ 701.040053] Total swap = 0kB [ 701.040061] 1965979 pages RAM [ 701.043078] ? check_preemption_disabled+0x48/0x280 [ 701.047295] 0 pages HighMem/MovableOnly [ 701.050313] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 701.053396] 342854 pages reserved [ 701.058406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.062352] 0 pages cma reserved [ 701.066839] ? should_fail+0x22d/0xd01 [ 701.070368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 701.075816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.075831] ? __lock_acquire+0x62f/0x4c20 [ 701.075849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.079294] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 701.083084] ? __lock_acquire+0x62f/0x4c20 [ 701.089554] syz-fuzzer cpuset=/ mems_allowed=0 [ 701.094646] ? should_fail+0x22d/0xd01 [ 701.127672] ? mark_held_locks+0x130/0x130 [ 701.131923] ? mark_held_locks+0x130/0x130 [ 701.136168] ? zap_class+0x640/0x640 [ 701.139884] ? print_usage_bug+0xc0/0xc0 [ 701.143951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.149494] ? check_preemption_disabled+0x48/0x280 [ 701.154525] ? __lock_is_held+0xb5/0x140 [ 701.158595] __alloc_pages_nodemask+0xad8/0xea0 [ 701.163264] ? zap_class+0x640/0x640 [ 701.167023] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 701.172079] ? find_held_lock+0x36/0x1c0 [ 701.176153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 701.180823] ? lock_downgrade+0x900/0x900 [ 701.184977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.190518] cache_grow_begin+0xa5/0x8c0 [ 701.194579] ? do_raw_spin_unlock+0xa7/0x330 [ 701.198992] fallback_alloc+0x204/0x2e0 [ 701.202982] ____cache_alloc_node+0x1c7/0x1e0 [ 701.207482] kmem_cache_alloc_node+0xe3/0x730 [ 701.211982] ? ipv6_get_ifaddr+0x42e/0x620 [ 701.216230] __alloc_skb+0x119/0x770 [ 701.219943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 701.225224] ? netdev_alloc_frag+0x1f0/0x1f0 [ 701.229633] ? lock_downgrade+0x900/0x900 [ 701.233788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.239354] ? refcount_sub_and_test_checked+0x203/0x310 [ 701.244809] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 701.250256] ? addrconf_rs_timer+0x690/0x690 [ 701.254685] ndisc_alloc_skb+0x144/0x340 [ 701.258776] ndisc_send_rs+0x331/0x6e0 [ 701.262663] addrconf_rs_timer+0x314/0x690 [ 701.266919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.271162] call_timer_fn+0x272/0x920 [ 701.275053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.279297] ? process_timeout+0x40/0x40 [ 701.283370] ? __run_timers+0x7da/0xc70 [ 701.287347] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.291844] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.296334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.300588] ? lockdep_hardirqs_on+0x296/0x5b0 [ 701.305170] ? trace_hardirqs_on+0xbd/0x310 [ 701.309486] ? kasan_check_read+0x11/0x20 [ 701.313631] ? __run_timers+0x7da/0xc70 [ 701.317607] ? trace_hardirqs_off_caller+0x310/0x310 [ 701.322736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.326967] __run_timers+0x7e5/0xc70 [ 701.330775] ? timer_fixup_init+0x70/0x70 [ 701.334925] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 701.339943] ? zap_class+0x640/0x640 [ 701.343664] ? enqueue_hrtimer+0x1a5/0x560 [ 701.347902] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 701.353101] ? find_held_lock+0x36/0x1c0 [ 701.357163] ? zap_class+0x640/0x640 [ 701.360898] ? pvclock_read_flags+0x160/0x160 [ 701.365397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.370935] ? check_preemption_disabled+0x48/0x280 [ 701.375976] ? __lock_is_held+0xb5/0x140 [ 701.380051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.385590] ? check_preemption_disabled+0x48/0x280 [ 701.390646] run_timer_softirq+0x52/0xb0 [ 701.394714] ? rcu_read_lock_sched_held+0x14f/0x180 [ 701.399737] __do_softirq+0x308/0xb7e [ 701.403542] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 701.408037] ? lock_downgrade+0x900/0x900 [ 701.412201] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 701.417332] ? pvclock_read_flags+0x160/0x160 [ 701.421876] ? lapic_next_event+0x5a/0x90 [ 701.426050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.431608] ? kvm_clock_read+0x18/0x30 [ 701.435582] ? kvm_sched_clock_read+0x9/0x20 [ 701.439991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.445561] ? check_preemption_disabled+0x48/0x280 [ 701.450591] irq_exit+0x17f/0x1c0 [ 701.454043] smp_apic_timer_interrupt+0x1cb/0x760 [ 701.458902] ? smp_reschedule_interrupt+0x109/0x650 [ 701.463919] ? smp_call_function_single_interrupt+0x650/0x650 [ 701.469817] ? interrupt_entry+0xb5/0xc0 [ 701.473879] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.478892] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.483908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.488754] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.493769] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.498800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.503654] apic_timer_interrupt+0xf/0x20 [ 701.507882] </IRQ> [ 701.510125] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 701.516010] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 701.535064] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 701.542774] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 701.550037] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 701.557313] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 701.564610] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 701.571893] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 701.579193] ? save_stack+0xa9/0xd0 [ 701.582835] __kmalloc_node_track_caller+0x3c/0x70 [ 701.587770] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 701.592532] pskb_expand_head+0x230/0x10f0 [ 701.596769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 701.602222] ? memcpy+0x45/0x50 [ 701.605505] ? __copy_skb_header+0x350/0x6b0 [ 701.609929] ? skb_release_data+0x880/0x880 [ 701.614280] ? __alloc_skb+0x770/0x770 [ 701.618191] ? __lock_is_held+0xb5/0x140 [ 701.622260] ? kasan_check_write+0x14/0x20 [ 701.626507] ? __skb_clone+0x6c7/0xa00 [ 701.630397] ? __copy_skb_header+0x6b0/0x6b0 [ 701.634806] ? kmem_cache_alloc+0x33a/0x730 [ 701.639130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.644675] skb_ensure_writable+0x3dd/0x640 [ 701.649131] ? skb_checksum_setup+0xaa0/0xaa0 [ 701.653631] ? preempt_notifier_register+0x200/0x200 [ 701.658737] ? __switch_to_asm+0x34/0x70 [ 701.662799] ? __switch_to_asm+0x34/0x70 [ 701.666860] ? __switch_to_asm+0x40/0x70 [ 701.670917] ? __switch_to_asm+0x34/0x70 [ 701.674979] ? __switch_to_asm+0x40/0x70 [ 701.679037] ? __switch_to_asm+0x40/0x70 [ 701.683102] ? __switch_to_asm+0x34/0x70 [ 701.687182] ? __switch_to_asm+0x34/0x70 [ 701.691240] ? __switch_to_asm+0x40/0x70 [ 701.695307] ? __switch_to_asm+0x34/0x70 [ 701.699378] bpf_clone_redirect+0x14a/0x490 [ 701.703707] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 701.708727] ? __sched_text_start+0x8/0x8 [ 701.712876] ? retint_kernel+0x2d/0x2d [ 701.716791] ? find_held_lock+0x36/0x1c0 [ 701.720861] ? lock_acquire+0x1ed/0x520 [ 701.724835] ? bpf_test_run+0x3cb/0x780 [ 701.728811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.734366] ? check_preemption_disabled+0x48/0x280 [ 701.739390] ? kasan_check_read+0x11/0x20 [ 701.743541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 701.748822] ? rcu_softirq_qs+0x20/0x20 [ 701.752797] ? preempt_schedule+0x4d/0x60 [ 701.756945] ? ___preempt_schedule+0x16/0x18 [ 701.761361] ? bpf_test_run+0x25d/0x780 [ 701.765360] ? netlink_diag_dump+0x2a0/0x2a0 [ 701.769788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.775364] ? bpf_test_init.isra.10+0x70/0x100 [ 701.780073] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 701.784882] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.789726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.795262] ? fput+0x130/0x1a0 [ 701.798569] ? __bpf_prog_get+0x9b/0x290 [ 701.802649] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.807490] ? bpf_prog_test_run+0x130/0x1a0 [ 701.811901] ? __x64_sys_bpf+0x3d8/0x520 [ 701.815979] ? bpf_prog_get+0x20/0x20 [ 701.819813] ? do_syscall_64+0x1b9/0x820 [ 701.823871] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 701.829233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 701.834166] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.839184] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 701.844203] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 701.850867] ? __switch_to_asm+0x40/0x70 [ 701.854926] ? __switch_to_asm+0x34/0x70 [ 701.858992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.863842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.869227] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 701.869303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 701.876256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.876276] Call Trace: [ 701.876292] <IRQ> [ 701.876312] dump_stack+0x244/0x39d [ 701.876330] ? dump_stack_print_info.cold.1+0x20/0x20 [ 701.882859] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 701.892166] warn_alloc.cold.116+0xb7/0x1bd [ 701.894720] syz-executor3 cpuset=syz3 mems_allowed=0 [ 701.896862] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 701.930382] ? lock_downgrade+0x900/0x900 [ 701.934538] ? trace_hardirqs_off+0xb8/0x310 [ 701.938953] ? trace_hardirqs_off+0xb8/0x310 [ 701.943399] __alloc_pages_slowpath+0x2651/0x2de0 [ 701.948291] ? warn_alloc+0x120/0x120 [ 701.952093] ? print_usage_bug+0xc0/0xc0 [ 701.956158] ? warn_alloc+0x120/0x120 [ 701.959977] ? warn_alloc+0x120/0x120 [ 701.964013] ? print_usage_bug+0xc0/0xc0 [ 701.968078] ? print_usage_bug+0xc0/0xc0 [ 701.972142] ? __lock_acquire+0x62f/0x4c20 [ 701.976382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.981922] ? should_fail+0x22d/0xd01 [ 701.985825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.990926] ? __lock_acquire+0x62f/0x4c20 [ 701.995165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.000268] ? __lock_acquire+0x62f/0x4c20 [ 702.004508] ? should_fail+0x22d/0xd01 [ 702.008405] ? mark_held_locks+0x130/0x130 [ 702.012642] ? mark_held_locks+0x130/0x130 [ 702.016892] ? try_to_wake_up+0x11c/0x1490 [ 702.021143] ? lock_downgrade+0x900/0x900 [ 702.025299] ? zap_class+0x640/0x640 [ 702.029017] ? print_usage_bug+0xc0/0xc0 [ 702.033075] ? trace_hardirqs_off+0xb8/0x310 [ 702.037483] ? kasan_check_read+0x11/0x20 [ 702.041634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.047170] ? check_preemption_disabled+0x48/0x280 [ 702.052196] ? __lock_is_held+0xb5/0x140 [ 702.056273] __alloc_pages_nodemask+0xad8/0xea0 [ 702.060953] ? zap_class+0x640/0x640 [ 702.064677] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 702.069718] ? find_held_lock+0x36/0x1c0 [ 702.073788] ? ____cache_alloc_node+0x1c7/0x1e0 [ 702.078458] ? lock_downgrade+0x900/0x900 [ 702.082611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.088172] cache_grow_begin+0xa5/0x8c0 [ 702.092247] ? do_raw_spin_unlock+0xa7/0x330 [ 702.096778] fallback_alloc+0x204/0x2e0 [ 702.100778] ____cache_alloc_node+0x1c7/0x1e0 [ 702.105291] kmem_cache_alloc_node+0xe3/0x730 [ 702.109792] ? ipv6_get_ifaddr+0x42e/0x620 [ 702.114053] __alloc_skb+0x119/0x770 [ 702.117775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.123060] ? netdev_alloc_frag+0x1f0/0x1f0 [ 702.127476] ? lock_downgrade+0x900/0x900 [ 702.131655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.137236] ? refcount_sub_and_test_checked+0x203/0x310 [ 702.142698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 702.148150] ? addrconf_rs_timer+0x690/0x690 [ 702.152577] ndisc_alloc_skb+0x144/0x340 [ 702.156658] ndisc_send_rs+0x331/0x6e0 [ 702.160569] addrconf_rs_timer+0x314/0x690 [ 702.164827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.169073] call_timer_fn+0x272/0x920 [ 702.172968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.177218] ? process_timeout+0x40/0x40 [ 702.181308] ? mark_held_locks+0xc7/0x130 [ 702.185463] ? _raw_spin_unlock_irq+0x27/0x80 [ 702.189959] ? _raw_spin_unlock_irq+0x27/0x80 [ 702.194469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.198704] ? lockdep_hardirqs_on+0x296/0x5b0 [ 702.203300] ? trace_hardirqs_on+0xbd/0x310 [ 702.207676] ? kasan_check_read+0x11/0x20 [ 702.211832] ? __run_timers+0x7da/0xc70 [ 702.215807] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.220946] ? __queue_work+0x1440/0x1440 [ 702.225112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.229347] __run_timers+0x7e5/0xc70 [ 702.233160] ? timer_fixup_init+0x70/0x70 [ 702.237321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 702.242357] ? zap_class+0x640/0x640 [ 702.246080] ? print_usage_bug+0xc0/0xc0 [ 702.250145] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 702.255349] ? find_held_lock+0x36/0x1c0 [ 702.259414] ? zap_class+0x640/0x640 [ 702.263131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.268717] ? check_preemption_disabled+0x48/0x280 [ 702.273743] ? __lock_is_held+0xb5/0x140 [ 702.277804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.283341] ? check_preemption_disabled+0x48/0x280 [ 702.288362] run_timer_softirq+0x52/0xb0 [ 702.292426] ? rcu_read_lock_sched_held+0x14f/0x180 [ 702.297463] __do_softirq+0x308/0xb7e [ 702.301281] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 702.305814] ? lock_downgrade+0x900/0x900 [ 702.309964] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 702.315075] ? pvclock_read_flags+0x160/0x160 [ 702.319577] ? lapic_next_event+0x5a/0x90 [ 702.323727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.329293] ? kvm_clock_read+0x18/0x30 [ 702.333268] ? kvm_sched_clock_read+0x9/0x20 [ 702.337687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.343227] ? check_preemption_disabled+0x48/0x280 [ 702.348255] irq_exit+0x17f/0x1c0 [ 702.351719] smp_apic_timer_interrupt+0x1cb/0x760 [ 702.356568] ? smp_call_function_single_interrupt+0x159/0x650 [ 702.362473] ? smp_call_function_single_interrupt+0x650/0x650 [ 702.368374] ? interrupt_entry+0xb5/0xc0 [ 702.372442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.377461] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.382477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.387342] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.392366] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.397394] ? task_prio+0x50/0x50 [ 702.400975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.406534] ? check_preemption_disabled+0x48/0x280 [ 702.411566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.416422] apic_timer_interrupt+0xf/0x20 [ 702.420649] </IRQ> [ 702.422885] RIP: 0010:rcu_is_watching+0x0/0x30 [ 702.427467] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 702.446366] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 702.454068] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 702.461335] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 702.468601] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 702.475896] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 702.483164] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 702.490485] ? list_lru_count_one+0x253/0x450 [ 702.494983] ? list_lru_count_one+0x35d/0x450 [ 702.499484] ? list_lru_count_one+0x362/0x450 [ 702.503984] ? list_lru_isolate_move+0x3c0/0x3c0 [ 702.508744] ? shmem_free_inode+0xd0/0xd0 [ 702.512932] ? __lock_is_held+0xb5/0x140 [ 702.517014] super_cache_count+0x1b9/0x2e0 [ 702.521259] do_shrink_slab+0x1b1/0xd30 [ 702.525306] ? snapshot_refaults+0x290/0x290 [ 702.529744] ? lock_release+0xa00/0xa00 [ 702.533731] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 702.538675] ? down_read_trylock+0xda/0x140 [ 702.542993] ? shrink_slab+0x207/0x8c0 [ 702.546879] ? downgrade_write+0x270/0x270 [ 702.551154] shrink_slab+0x389/0x8c0 [ 702.554863] ? shrink_active_list+0x1f00/0x1f00 [ 702.559538] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 702.565170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 702.570283] ? cgroup_procs_write_finish+0xf0/0xf0 [ 702.575245] ? find_held_lock+0x36/0x1c0 [ 702.579346] shrink_node+0x431/0x16b0 [ 702.583152] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 702.588471] ? shrink_node_memcg+0x18f0/0x18f0 [ 702.593060] ? kvm_clock_read+0x18/0x30 [ 702.597041] ? ktime_get+0x2c1/0x400 [ 702.600760] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 702.605257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.610814] ? __cpuset_node_allowed+0x19b/0x660 [ 702.615581] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 702.621303] ? delayacct_end+0x5a/0x100 [ 702.625295] do_try_to_free_pages+0x3e7/0x1290 [ 702.629875] ? zap_class+0x640/0x640 [ 702.633617] ? shrink_node+0x16b0/0x16b0 [ 702.637680] ? __lock_is_held+0xb5/0x140 [ 702.641757] try_to_free_pages+0x4d0/0xb90 [ 702.645997] ? do_try_to_free_pages+0x1290/0x1290 [ 702.650852] ? lock_acquire+0x1ed/0x520 [ 702.654824] ? set_page_refcounted+0x280/0x280 [ 702.659420] ? lock_release+0xa00/0xa00 [ 702.663420] ? _raw_spin_unlock_irq+0x60/0x80 [ 702.667914] ? psi_memstall_enter+0x240/0x2b0 [ 702.672410] ? psi_memstall_tick+0x230/0x230 [ 702.676832] __alloc_pages_slowpath+0xa48/0x2de0 [ 702.681617] ? warn_alloc+0x120/0x120 [ 702.685416] ? mark_held_locks+0x130/0x130 [ 702.689661] ? find_get_entry+0xaae/0x1120 [ 702.693921] ? filemap_map_pages+0x1a20/0x1a20 [ 702.698509] ? zap_class+0x640/0x640 [ 702.702234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.707780] ? check_preemption_disabled+0x48/0x280 [ 702.712797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.718350] ? should_fail+0x22d/0xd01 [ 702.722253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.727369] ? zap_class+0x640/0x640 [ 702.731139] ? __lock_is_held+0xb5/0x140 [ 702.735209] ? mark_held_locks+0x130/0x130 [ 702.739445] ? lock_release+0xa00/0xa00 [ 702.743417] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.748878] ? xa_load+0x2ba/0x460 [ 702.752424] ? lock_downgrade+0x900/0x900 [ 702.756582] ? __might_sleep+0x95/0x190 [ 702.760572] __alloc_pages_nodemask+0xad8/0xea0 [ 702.765268] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 702.770302] ? __page_cache_alloc+0x191/0x5c0 [ 702.774794] ? xa_load+0x2e1/0x460 [ 702.778332] ? xa_clear_mark+0x40/0x40 [ 702.782225] ? zap_class+0x640/0x640 [ 702.785951] ? zap_class+0x640/0x640 [ 702.789669] ? zap_class+0x640/0x640 [ 702.793384] ? __do_page_cache_readahead+0x663/0x810 [ 702.798495] ? find_held_lock+0x36/0x1c0 [ 702.802569] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 702.808117] alloc_pages_current+0x173/0x350 [ 702.812556] __page_cache_alloc+0x38c/0x5c0 [ 702.816878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.821813] ? kasan_check_read+0x11/0x20 [ 702.825963] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.831256] ? generic_perform_write+0x6a0/0x6a0 [ 702.836026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.841569] ? check_preemption_disabled+0x48/0x280 [ 702.846609] filemap_fault+0x1595/0x25f0 [ 702.850698] ? __lock_page_or_retry+0xa00/0xa00 [ 702.855372] ? mark_held_locks+0x130/0x130 [ 702.859626] ? filemap_map_pages+0xd6b/0x1a20 [ 702.864130] ? lock_downgrade+0x900/0x900 [ 702.868295] ? check_preemption_disabled+0x48/0x280 [ 702.873324] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.878253] ? kasan_check_read+0x11/0x20 [ 702.882410] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.887704] ? rcu_softirq_qs+0x20/0x20 [ 702.891694] ? filemap_map_pages+0xd92/0x1a20 [ 702.896206] ? find_get_entries_tag+0x1400/0x1400 [ 702.901054] ? debug_object_destroy+0x2b0/0x2b0 [ 702.905731] ? lock_pi_update_atomic+0x150/0x150 [ 702.910492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.916060] ? lock_acquire+0x1ed/0x520 [ 702.920035] ? ext4_filemap_fault+0x7a/0xad [ 702.924361] ? lock_release+0xa00/0xa00 [ 702.928333] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.933784] ? print_usage_bug+0xc0/0xc0 [ 702.937849] ? print_usage_bug+0xc0/0xc0 [ 702.941926] ? down_read+0x8d/0x120 [ 702.945557] ? ext4_filemap_fault+0x7a/0xad [ 702.949879] ? __down_interruptible+0x700/0x700 [ 702.954567] ext4_filemap_fault+0x82/0xad [ 702.958729] __do_fault+0x100/0x6b0 [ 702.962606] ? release_sock+0x1ec/0x2c0 [ 702.966595] ? pmd_devmap_trans_unstable+0x220/0x220 [ 702.971727] ? mark_held_locks+0x130/0x130 [ 702.976001] ? mark_held_locks+0x130/0x130 [ 702.980233] ? lock_sock_nested+0x9a/0x120 [ 702.984500] ? __release_sock+0x3a0/0x3a0 [ 702.988664] ? __local_bh_enable_ip+0x160/0x260 [ 702.993369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.999171] __handle_mm_fault+0x3ea0/0x5be0 [ 703.003636] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 703.008482] ? apparmor_socket_sendmsg+0x29/0x30 [ 703.013234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.018770] ? security_socket_sendmsg+0x94/0xc0 [ 703.023529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.029084] ? zap_class+0x640/0x640 [ 703.032795] ? zap_class+0x640/0x640 [ 703.036513] ? __x64_sys_futex+0x53e/0x6a0 [ 703.040759] ? find_held_lock+0x36/0x1c0 [ 703.044829] ? handle_mm_fault+0x42a/0xc70 [ 703.049068] ? lock_downgrade+0x900/0x900 [ 703.053216] ? check_preemption_disabled+0x48/0x280 [ 703.058246] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 703.063176] ? kasan_check_read+0x11/0x20 [ 703.067354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 703.072631] ? rcu_softirq_qs+0x20/0x20 [ 703.076606] ? trace_hardirqs_off_caller+0x310/0x310 [ 703.081709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.087246] ? check_preemption_disabled+0x48/0x280 [ 703.092273] handle_mm_fault+0x54f/0xc70 [ 703.096362] ? __handle_mm_fault+0x5be0/0x5be0 [ 703.100947] ? find_vma+0x34/0x190 [ 703.104491] __do_page_fault+0x5e8/0xe60 [ 703.108557] ? trace_hardirqs_off+0xb8/0x310 [ 703.113001] ? __ia32_sys_read+0xb0/0xb0 [ 703.117092] do_page_fault+0xf2/0x7e0 [ 703.120897] ? vmalloc_sync_all+0x30/0x30 [ 703.125043] ? error_entry+0x70/0xd0 [ 703.128764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 703.133787] ? trace_hardirqs_on_caller+0xc0/0x310 [ 703.138717] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.143660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.148514] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.153534] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 703.159006] ? prepare_exit_to_usermode+0x291/0x3b0 [ 703.164040] ? page_fault+0x8/0x30 [ 703.167583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.172430] ? page_fault+0x8/0x30 [ 703.175970] page_fault+0x1e/0x30 [ 703.179421] RIP: 0033:0x45ddf3 [ 703.182622] Code: Bad RIP value. [ 703.185981] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 703.191374] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 703.198654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 703.205924] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 703.213192] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 703.220459] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 703.227754] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 703.227760] warn_alloc_show_mem: 1 callbacks suppressed [ 703.227767] Mem-Info: [ 703.235042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.240413] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 703.240413] active_file:13 inactive_file:14 isolated_file:0 [ 703.240413] unevictable:0 dirty:0 writeback:0 unstable:0 [ 703.240413] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 703.240413] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 703.240413] free:13773 free_pcp:174 free_cma:0 [ 703.242788] Call Trace: [ 703.252194] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 703.285141] <IRQ> [ 703.287761] 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 [ 703.315312] dump_stack+0x244/0x39d [ 703.317444] lowmem_reserve[]: 0 2818 6321 6321 [ 703.343551] ? dump_stack_print_info.cold.1+0x20/0x20 [ 703.347176] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 703.351765] warn_alloc.cold.116+0xb7/0x1bd [ 703.356927] lowmem_reserve[]: 0 0 3503 3503 [ 703.384428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 703.388724] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 703.393050] ? lock_downgrade+0x900/0x900 [ 703.397893] lowmem_reserve[]: 0 0 0 0 [ 703.426803] ? trace_hardirqs_off+0xb8/0x310 [ 703.430942] 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 [ 703.434771] ? trace_hardirqs_off+0xb8/0x310 [ 703.439153] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 703.452677] __alloc_pages_slowpath+0x2651/0x2de0 [ 703.457052] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 703.473032] ? warn_alloc+0x120/0x120 [ 703.477836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 703.491438] ? print_usage_bug+0xc0/0xc0 [ 703.495224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 703.504039] ? warn_alloc+0x120/0x120 [ 703.508076] 271 total pagecache pages [ 703.516641] ? warn_alloc+0x120/0x120 [ 703.520425] 0 pages in swap cache [ 703.524210] ? print_usage_bug+0xc0/0xc0 [ 703.528001] Swap cache stats: add 0, delete 0, find 0/0 [ 703.531447] ? print_usage_bug+0xc0/0xc0 [ 703.535490] Free swap = 0kB [ 703.540850] ? __lock_acquire+0x62f/0x4c20 [ 703.544890] Total swap = 0kB [ 703.547905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.552111] 1965979 pages RAM [ 703.555127] ? should_fail+0x22d/0xd01 [ 703.560660] 0 pages HighMem/MovableOnly [ 703.563782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.567678] 342854 pages reserved [ 703.571645] ? __lock_acquire+0x62f/0x4c20 [ 703.576725] 0 pages cma reserved [ 703.580171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.584458] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 703.587730] ? __lock_acquire+0x62f/0x4c20 [ 703.587762] ? should_fail+0x22d/0xd01 [ 703.593072] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 703.599380] ? find_held_lock+0x36/0x1c0 [ 703.599403] ? mark_held_locks+0x130/0x130 [ 703.603818] syz-fuzzer cpuset=/ mems_allowed=0 [ 703.607703] ? mark_held_locks+0x130/0x130 [ 703.607720] ? zap_class+0x640/0x640 [ 703.638805] ? zap_class+0x640/0x640 [ 703.642525] ? print_usage_bug+0xc0/0xc0 [ 703.646601] ? do_raw_spin_unlock+0xa7/0x330 [ 703.651095] ? zap_class+0x640/0x640 [ 703.654807] ? print_usage_bug+0xc0/0xc0 [ 703.658870] ? wq_watchdog_touch+0x9c/0xfe [ 703.663106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.668649] ? check_preemption_disabled+0x48/0x280 [ 703.673679] ? __lock_is_held+0xb5/0x140 [ 703.677748] __alloc_pages_nodemask+0xad8/0xea0 [ 703.682423] ? zap_class+0x640/0x640 [ 703.686151] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 703.691181] ? find_held_lock+0x36/0x1c0 [ 703.695254] ? ____cache_alloc_node+0x1c7/0x1e0 [ 703.699930] ? lock_downgrade+0x900/0x900 [ 703.704094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.709638] cache_grow_begin+0xa5/0x8c0 [ 703.713699] ? do_raw_spin_unlock+0xa7/0x330 [ 703.718116] fallback_alloc+0x204/0x2e0 [ 703.722101] ____cache_alloc_node+0x1c7/0x1e0 [ 703.726602] kmem_cache_alloc_node+0xe3/0x730 [ 703.731100] ? ipv6_get_ifaddr+0x42e/0x620 [ 703.735346] __alloc_skb+0x119/0x770 [ 703.739076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 703.744358] ? netdev_alloc_frag+0x1f0/0x1f0 [ 703.748770] ? lock_downgrade+0x900/0x900 [ 703.752925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.758463] ? refcount_sub_and_test_checked+0x203/0x310 [ 703.763917] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 703.769369] ? addrconf_rs_timer+0x690/0x690 [ 703.773820] ndisc_alloc_skb+0x144/0x340 [ 703.777889] ndisc_send_rs+0x331/0x6e0 [ 703.781791] addrconf_rs_timer+0x314/0x690 [ 703.786033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.790293] call_timer_fn+0x272/0x920 [ 703.794184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.798419] ? process_timeout+0x40/0x40 [ 703.802489] ? __run_timers+0x7da/0xc70 [ 703.806464] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.810959] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.815456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.819692] ? lockdep_hardirqs_on+0x296/0x5b0 [ 703.824282] ? trace_hardirqs_on+0xbd/0x310 [ 703.828613] ? kasan_check_read+0x11/0x20 [ 703.832760] ? __run_timers+0x7da/0xc70 [ 703.836741] ? trace_hardirqs_off_caller+0x310/0x310 [ 703.841852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.846105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.850340] __run_timers+0x7e5/0xc70 [ 703.854151] ? timer_fixup_init+0x70/0x70 [ 703.858309] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 703.863327] ? zap_class+0x640/0x640 [ 703.867044] ? enqueue_hrtimer+0x1a5/0x560 [ 703.871295] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 703.876492] ? find_held_lock+0x36/0x1c0 [ 703.880556] ? zap_class+0x640/0x640 [ 703.884276] ? pvclock_read_flags+0x160/0x160 [ 703.888785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.894325] ? check_preemption_disabled+0x48/0x280 [ 703.899350] ? __lock_is_held+0xb5/0x140 [ 703.903444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.908982] ? check_preemption_disabled+0x48/0x280 [ 703.914058] run_timer_softirq+0x52/0xb0 [ 703.918122] ? rcu_read_lock_sched_held+0x14f/0x180 [ 703.923138] __do_softirq+0x308/0xb7e [ 703.926944] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 703.931440] ? lock_downgrade+0x900/0x900 [ 703.935604] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 703.940715] ? pvclock_read_flags+0x160/0x160 [ 703.945211] ? lapic_next_event+0x5a/0x90 [ 703.949366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.954907] ? kvm_clock_read+0x18/0x30 [ 703.958883] ? kvm_sched_clock_read+0x9/0x20 [ 703.963474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.969015] ? check_preemption_disabled+0x48/0x280 [ 703.974064] irq_exit+0x17f/0x1c0 [ 703.977526] smp_apic_timer_interrupt+0x1cb/0x760 [ 703.982371] ? smp_reschedule_interrupt+0x109/0x650 [ 703.987389] ? smp_call_function_single_interrupt+0x650/0x650 [ 703.993275] ? interrupt_entry+0xb5/0xc0 [ 703.997351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.002371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.007388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.012244] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.017257] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.022304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.027154] apic_timer_interrupt+0xf/0x20 [ 704.031382] </IRQ> [ 704.033624] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 704.039509] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 704.058408] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 704.066114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 704.073377] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 704.080647] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 704.087929] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 704.095668] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 704.102971] ? save_stack+0xa9/0xd0 [ 704.106622] __kmalloc_node_track_caller+0x3c/0x70 [ 704.111557] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 704.116328] pskb_expand_head+0x230/0x10f0 [ 704.120574] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 704.126027] ? memcpy+0x45/0x50 [ 704.129318] ? __copy_skb_header+0x350/0x6b0 [ 704.133729] ? skb_release_data+0x880/0x880 [ 704.138066] ? __alloc_skb+0x770/0x770 [ 704.141968] ? __lock_is_held+0xb5/0x140 [ 704.146034] ? kasan_check_write+0x14/0x20 [ 704.150273] ? __skb_clone+0x6c7/0xa00 [ 704.154168] ? __copy_skb_header+0x6b0/0x6b0 [ 704.158574] ? kmem_cache_alloc+0x33a/0x730 [ 704.162899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.168457] skb_ensure_writable+0x3dd/0x640 [ 704.172867] ? skb_checksum_setup+0xaa0/0xaa0 [ 704.177369] ? preempt_notifier_register+0x200/0x200 [ 704.182486] ? __switch_to_asm+0x34/0x70 [ 704.186547] ? __switch_to_asm+0x34/0x70 [ 704.190610] ? __switch_to_asm+0x40/0x70 [ 704.194668] ? __switch_to_asm+0x34/0x70 [ 704.198727] ? __switch_to_asm+0x40/0x70 [ 704.202785] ? __switch_to_asm+0x40/0x70 [ 704.206848] ? __switch_to_asm+0x34/0x70 [ 704.210907] ? __switch_to_asm+0x34/0x70 [ 704.214967] ? __switch_to_asm+0x40/0x70 [ 704.219023] ? __switch_to_asm+0x34/0x70 [ 704.223094] bpf_clone_redirect+0x14a/0x490 [ 704.227425] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 704.232449] ? __sched_text_start+0x8/0x8 [ 704.236597] ? retint_kernel+0x2d/0x2d [ 704.240495] ? find_held_lock+0x36/0x1c0 [ 704.244563] ? lock_acquire+0x1ed/0x520 [ 704.248541] ? bpf_test_run+0x3cb/0x780 [ 704.252519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.258066] ? check_preemption_disabled+0x48/0x280 [ 704.263092] ? kasan_check_read+0x11/0x20 [ 704.267242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.272525] ? rcu_softirq_qs+0x20/0x20 [ 704.276502] ? preempt_schedule+0x4d/0x60 [ 704.280651] ? ___preempt_schedule+0x16/0x18 [ 704.285083] ? bpf_test_run+0x25d/0x780 [ 704.289076] ? netlink_diag_dump+0x2a0/0x2a0 [ 704.293497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.299038] ? bpf_test_init.isra.10+0x70/0x100 [ 704.303730] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 704.308501] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 704.313345] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.318887] ? fput+0x130/0x1a0 [ 704.322170] ? __bpf_prog_get+0x9b/0x290 [ 704.326232] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 704.331080] ? bpf_prog_test_run+0x130/0x1a0 [ 704.335492] ? __x64_sys_bpf+0x3d8/0x520 [ 704.339557] ? bpf_prog_get+0x20/0x20 [ 704.343396] ? do_syscall_64+0x1b9/0x820 [ 704.347456] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 704.352822] ? syscall_return_slowpath+0x5e0/0x5e0 [ 704.357755] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.362772] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 704.367791] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 704.374457] ? __switch_to_asm+0x40/0x70 [ 704.378515] ? __switch_to_asm+0x34/0x70 [ 704.382579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.387435] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.392818] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 704.392889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 704.399832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.399837] Call Trace: [ 704.399844] <IRQ> [ 704.399862] dump_stack+0x244/0x39d [ 704.399881] ? dump_stack_print_info.cold.1+0x20/0x20 [ 704.406442] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 704.415717] warn_alloc.cold.116+0xb7/0x1bd [ 704.418280] syz-executor3 cpuset=syz3 mems_allowed=0 [ 704.420449] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 704.453960] ? lock_downgrade+0x900/0x900 [ 704.458119] ? trace_hardirqs_off+0xb8/0x310 [ 704.462534] ? trace_hardirqs_off+0xb8/0x310 [ 704.466962] __alloc_pages_slowpath+0x2651/0x2de0 [ 704.471841] ? warn_alloc+0x120/0x120 [ 704.475650] ? warn_alloc+0x120/0x120 [ 704.479459] ? warn_alloc+0x120/0x120 [ 704.483268] ? print_usage_bug+0xc0/0xc0 [ 704.487351] ? print_usage_bug+0xc0/0xc0 [ 704.491415] ? print_usage_bug+0xc0/0xc0 [ 704.495483] ? print_usage_bug+0xc0/0xc0 [ 704.499553] ? print_usage_bug+0xc0/0xc0 [ 704.503615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.509156] ? should_fail+0x22d/0xd01 [ 704.513040] ? print_usage_bug+0xc0/0xc0 [ 704.517103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.522226] ? __lock_acquire+0x62f/0x4c20 [ 704.526478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.531594] ? should_fail+0x22d/0xd01 [ 704.535602] ? mark_held_locks+0x130/0x130 [ 704.539849] ? mark_held_locks+0x130/0x130 [ 704.544097] ? zap_class+0x640/0x640 [ 704.547816] ? mark_held_locks+0x130/0x130 [ 704.552052] ? zap_class+0x640/0x640 [ 704.555772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.561319] ? check_preemption_disabled+0x48/0x280 [ 704.566350] ? __lock_is_held+0xb5/0x140 [ 704.570422] __alloc_pages_nodemask+0xad8/0xea0 [ 704.575094] ? zap_class+0x640/0x640 [ 704.578813] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 704.583845] ? find_held_lock+0x36/0x1c0 [ 704.587916] ? ____cache_alloc_node+0x1c7/0x1e0 [ 704.592588] ? lock_downgrade+0x900/0x900 [ 704.596747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.602297] cache_grow_begin+0xa5/0x8c0 [ 704.606359] ? do_raw_spin_unlock+0xa7/0x330 [ 704.610778] fallback_alloc+0x204/0x2e0 [ 704.614763] ____cache_alloc_node+0x1c7/0x1e0 [ 704.619281] kmem_cache_alloc_node+0xe3/0x730 [ 704.623786] ? lockdep_hardirqs_on+0x296/0x5b0 [ 704.628383] __alloc_skb+0x119/0x770 [ 704.632093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 704.637462] ? netdev_alloc_frag+0x1f0/0x1f0 [ 704.641875] ? lock_acquire+0x1ed/0x520 [ 704.645850] ? aoecmd_cfg+0x108/0x7f0 [ 704.649656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.655193] ? check_preemption_disabled+0x48/0x280 [ 704.660246] ? kasan_check_read+0x11/0x20 [ 704.664391] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.669667] ? rcu_softirq_qs+0x20/0x20 [ 704.673652] new_skb+0x26/0x1c0 [ 704.676934] aoecmd_cfg+0x279/0x7f0 [ 704.680570] ? find_held_lock+0x36/0x1c0 [ 704.684635] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 704.688965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.694507] ? check_preemption_disabled+0x48/0x280 [ 704.699535] ? __lock_is_held+0xb5/0x140 [ 704.703643] discover_timer+0x50/0x60 [ 704.707479] call_timer_fn+0x272/0x920 [ 704.711371] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 704.716235] ? process_timeout+0x40/0x40 [ 704.720316] ? mark_held_locks+0xc7/0x130 [ 704.724466] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.728965] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.733475] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 704.738323] ? lockdep_hardirqs_on+0x296/0x5b0 [ 704.742905] ? trace_hardirqs_on+0xbd/0x310 [ 704.747225] ? kasan_check_read+0x11/0x20 [ 704.751370] ? __run_timers+0x7da/0xc70 [ 704.755349] ? trace_hardirqs_off_caller+0x310/0x310 [ 704.760465] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 704.765310] __run_timers+0x7e5/0xc70 [ 704.769119] ? timer_fixup_init+0x70/0x70 [ 704.773296] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 704.778319] ? zap_class+0x640/0x640 [ 704.782053] ? print_usage_bug+0xc0/0xc0 [ 704.786124] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 704.791335] ? find_held_lock+0x36/0x1c0 [ 704.795402] ? zap_class+0x640/0x640 [ 704.799127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.804684] ? check_preemption_disabled+0x48/0x280 [ 704.809714] ? __lock_is_held+0xb5/0x140 [ 704.813775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.819320] ? check_preemption_disabled+0x48/0x280 [ 704.824370] run_timer_softirq+0x52/0xb0 [ 704.828443] ? rcu_read_lock_sched_held+0x14f/0x180 [ 704.833476] __do_softirq+0x308/0xb7e [ 704.837303] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 704.841796] ? lock_downgrade+0x900/0x900 [ 704.845951] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 704.851065] ? pvclock_read_flags+0x160/0x160 [ 704.855570] ? lapic_next_event+0x5a/0x90 [ 704.859725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.865273] ? kvm_clock_read+0x18/0x30 [ 704.869257] ? kvm_sched_clock_read+0x9/0x20 [ 704.873705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.879244] ? check_preemption_disabled+0x48/0x280 [ 704.884272] irq_exit+0x17f/0x1c0 [ 704.887736] smp_apic_timer_interrupt+0x1cb/0x760 [ 704.892577] ? smp_call_function_single_interrupt+0x159/0x650 [ 704.898476] ? smp_call_function_single_interrupt+0x650/0x650 [ 704.904403] ? interrupt_entry+0xb5/0xc0 [ 704.908467] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.913651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.918667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.923515] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.928537] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.933569] ? task_prio+0x50/0x50 [ 704.937112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.942741] ? check_preemption_disabled+0x48/0x280 [ 704.947783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.952637] apic_timer_interrupt+0xf/0x20 [ 704.956865] </IRQ> [ 704.959101] RIP: 0010:rcu_is_watching+0x0/0x30 [ 704.963688] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 704.982595] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 704.990309] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 704.997579] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 705.004849] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 705.012111] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 705.019373] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 705.026662] ? list_lru_count_one+0x253/0x450 [ 705.031154] ? list_lru_count_one+0x35d/0x450 [ 705.035654] ? list_lru_count_one+0x362/0x450 [ 705.040155] ? list_lru_isolate_move+0x3c0/0x3c0 [ 705.044909] ? shmem_free_inode+0xd0/0xd0 [ 705.049064] ? __lock_is_held+0xb5/0x140 [ 705.053136] super_cache_count+0x1b9/0x2e0 [ 705.057378] do_shrink_slab+0x1b1/0xd30 [ 705.061379] ? snapshot_refaults+0x290/0x290 [ 705.065792] ? lock_release+0xa00/0xa00 [ 705.069881] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 705.074825] ? down_read_trylock+0xda/0x140 [ 705.079148] ? shrink_slab+0x207/0x8c0 [ 705.083034] ? downgrade_write+0x270/0x270 [ 705.087319] shrink_slab+0x389/0x8c0 [ 705.091033] ? shrink_active_list+0x1f00/0x1f00 [ 705.095739] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 705.101370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 705.106483] ? cgroup_procs_write_finish+0xf0/0xf0 [ 705.111424] ? find_held_lock+0x36/0x1c0 [ 705.115509] shrink_node+0x431/0x16b0 [ 705.119324] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 705.124627] ? shrink_node_memcg+0x18f0/0x18f0 [ 705.129217] ? kvm_clock_read+0x18/0x30 [ 705.133190] ? ktime_get+0x2c1/0x400 [ 705.136910] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 705.141411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.146967] ? __cpuset_node_allowed+0x19b/0x660 [ 705.151723] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 705.157438] ? delayacct_end+0x5a/0x100 [ 705.161434] do_try_to_free_pages+0x3e7/0x1290 [ 705.166014] ? zap_class+0x640/0x640 [ 705.169749] ? shrink_node+0x16b0/0x16b0 [ 705.173812] ? __lock_is_held+0xb5/0x140 [ 705.177903] try_to_free_pages+0x4d0/0xb90 [ 705.182145] ? do_try_to_free_pages+0x1290/0x1290 [ 705.186999] ? lock_acquire+0x1ed/0x520 [ 705.190972] ? set_page_refcounted+0x280/0x280 [ 705.195563] ? lock_release+0xa00/0xa00 [ 705.199538] ? _raw_spin_unlock_irq+0x60/0x80 [ 705.204039] ? psi_memstall_enter+0x240/0x2b0 [ 705.208536] ? psi_memstall_tick+0x230/0x230 [ 705.212961] __alloc_pages_slowpath+0xa48/0x2de0 [ 705.217745] ? warn_alloc+0x120/0x120 [ 705.221545] ? mark_held_locks+0x130/0x130 [ 705.225790] ? find_get_entry+0xaae/0x1120 [ 705.230037] ? filemap_map_pages+0x1a20/0x1a20 [ 705.234738] ? zap_class+0x640/0x640 [ 705.238459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.244000] ? check_preemption_disabled+0x48/0x280 [ 705.249034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.254572] ? should_fail+0x22d/0xd01 [ 705.258466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.263582] ? zap_class+0x640/0x640 [ 705.267329] ? __lock_is_held+0xb5/0x140 [ 705.271407] ? mark_held_locks+0x130/0x130 [ 705.275663] ? lock_release+0xa00/0xa00 [ 705.279676] ? perf_trace_sched_process_exec+0x860/0x860 [ 705.285131] ? xa_load+0x2ba/0x460 [ 705.288690] ? lock_downgrade+0x900/0x900 [ 705.292869] ? __might_sleep+0x95/0x190 [ 705.296865] __alloc_pages_nodemask+0xad8/0xea0 [ 705.301570] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 705.306597] ? __page_cache_alloc+0x191/0x5c0 [ 705.311089] ? xa_load+0x2e1/0x460 [ 705.314629] ? xa_clear_mark+0x40/0x40 [ 705.318522] ? zap_class+0x640/0x640 [ 705.322247] ? zap_class+0x640/0x640 [ 705.325961] ? zap_class+0x640/0x640 [ 705.329679] ? __do_page_cache_readahead+0x663/0x810 [ 705.334791] ? find_held_lock+0x36/0x1c0 [ 705.338862] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 705.344409] alloc_pages_current+0x173/0x350 [ 705.348826] __page_cache_alloc+0x38c/0x5c0 [ 705.353145] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.358081] ? kasan_check_read+0x11/0x20 [ 705.362252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.367536] ? generic_perform_write+0x6a0/0x6a0 [ 705.372309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.377850] ? check_preemption_disabled+0x48/0x280 [ 705.382874] filemap_fault+0x1595/0x25f0 [ 705.386978] ? __lock_page_or_retry+0xa00/0xa00 [ 705.391654] ? mark_held_locks+0x130/0x130 [ 705.395896] ? filemap_map_pages+0xd6b/0x1a20 [ 705.400397] ? lock_downgrade+0x900/0x900 [ 705.404551] ? check_preemption_disabled+0x48/0x280 [ 705.409579] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.414509] ? kasan_check_read+0x11/0x20 [ 705.418658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.423933] ? rcu_softirq_qs+0x20/0x20 [ 705.427925] ? filemap_map_pages+0xd92/0x1a20 [ 705.432434] ? find_get_entries_tag+0x1400/0x1400 [ 705.437292] ? debug_object_destroy+0x2b0/0x2b0 [ 705.441965] ? lock_pi_update_atomic+0x150/0x150 [ 705.446722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.452276] ? lock_acquire+0x1ed/0x520 [ 705.456261] ? ext4_filemap_fault+0x7a/0xad [ 705.460600] ? lock_release+0xa00/0xa00 [ 705.464583] ? perf_trace_sched_process_exec+0x860/0x860 [ 705.470037] ? print_usage_bug+0xc0/0xc0 [ 705.474100] ? print_usage_bug+0xc0/0xc0 [ 705.478174] ? down_read+0x8d/0x120 [ 705.481828] ? ext4_filemap_fault+0x7a/0xad [ 705.486155] ? __down_interruptible+0x700/0x700 [ 705.490836] ext4_filemap_fault+0x82/0xad [ 705.495003] __do_fault+0x100/0x6b0 [ 705.498627] ? release_sock+0x1ec/0x2c0 [ 705.502691] ? pmd_devmap_trans_unstable+0x220/0x220 [ 705.507800] ? mark_held_locks+0x130/0x130 [ 705.512036] ? mark_held_locks+0x130/0x130 [ 705.516268] ? lock_sock_nested+0x9a/0x120 [ 705.520508] ? __release_sock+0x3a0/0x3a0 [ 705.524677] ? __local_bh_enable_ip+0x160/0x260 [ 705.529362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.534919] __handle_mm_fault+0x3ea0/0x5be0 [ 705.539338] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 705.544185] ? apparmor_socket_sendmsg+0x29/0x30 [ 705.548944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.554482] ? security_socket_sendmsg+0x94/0xc0 [ 705.559242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.564794] ? zap_class+0x640/0x640 [ 705.568512] ? zap_class+0x640/0x640 [ 705.572223] ? __x64_sys_futex+0x53e/0x6a0 [ 705.576469] ? find_held_lock+0x36/0x1c0 [ 705.580543] ? handle_mm_fault+0x42a/0xc70 [ 705.584788] ? lock_downgrade+0x900/0x900 [ 705.588938] ? check_preemption_disabled+0x48/0x280 [ 705.593961] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.598890] ? kasan_check_read+0x11/0x20 [ 705.603040] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.608323] ? rcu_softirq_qs+0x20/0x20 [ 705.612301] ? trace_hardirqs_off_caller+0x310/0x310 [ 705.617404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.622947] ? check_preemption_disabled+0x48/0x280 [ 705.627974] handle_mm_fault+0x54f/0xc70 [ 705.632038] ? __handle_mm_fault+0x5be0/0x5be0 [ 705.636626] ? find_vma+0x34/0x190 [ 705.640169] __do_page_fault+0x5e8/0xe60 [ 705.644245] ? trace_hardirqs_off+0xb8/0x310 [ 705.648650] ? __ia32_sys_read+0xb0/0xb0 [ 705.652716] do_page_fault+0xf2/0x7e0 [ 705.656518] ? vmalloc_sync_all+0x30/0x30 [ 705.660679] ? error_entry+0x70/0xd0 [ 705.664402] ? trace_hardirqs_off_caller+0xbb/0x310 [ 705.669417] ? trace_hardirqs_on_caller+0xc0/0x310 [ 705.674350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.679278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.684141] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.689156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 705.694611] ? prepare_exit_to_usermode+0x291/0x3b0 [ 705.699626] ? page_fault+0x8/0x30 [ 705.703168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.708014] ? page_fault+0x8/0x30 [ 705.711593] page_fault+0x1e/0x30 [ 705.715041] RIP: 0033:0x45ddf3 [ 705.718242] Code: Bad RIP value. [ 705.721606] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 705.726965] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 705.734233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 705.741513] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 705.748788] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 705.756054] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 705.763360] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 705.763365] warn_alloc_show_mem: 1 callbacks suppressed [ 705.763372] Mem-Info: [ 705.770635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.770643] Call Trace: [ 705.776012] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 705.776012] active_file:13 inactive_file:14 isolated_file:0 [ 705.776012] unevictable:0 dirty:0 writeback:0 unstable:0 [ 705.776012] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 705.776012] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 705.776012] free:13773 free_pcp:174 free_cma:0 [ 705.778388] <IRQ> [ 705.787747] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 705.790336] dump_stack+0x244/0x39d [ 705.823276] 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 [ 705.825432] ? dump_stack_print_info.cold.1+0x20/0x20 [ 705.852901] lowmem_reserve[]: 0 2818 6321 6321 [ 705.856528] warn_alloc.cold.116+0xb7/0x1bd [ 705.882607] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 705.887790] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 705.892364] lowmem_reserve[]: 0 0 3503 3503 [ 705.896694] ? lock_downgrade+0x900/0x900 [ 705.924168] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 705.929010] ? trace_hardirqs_off+0xb8/0x310 [ 705.933306] lowmem_reserve[]: 0 0 0 0 [ 705.937451] ? trace_hardirqs_off+0xb8/0x310 [ 705.966535] 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 [ 705.970945] __alloc_pages_slowpath+0x2651/0x2de0 [ 705.974719] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 705.979147] ? warn_alloc+0x120/0x120 [ 705.992633] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 705.997481] ? print_usage_bug+0xc0/0xc0 [ 706.013423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 706.017214] ? warn_alloc+0x120/0x120 [ 706.030808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 706.034855] ? warn_alloc+0x120/0x120 [ 706.043668] 271 total pagecache pages [ 706.047460] ? print_usage_bug+0xc0/0xc0 [ 706.056018] 0 pages in swap cache [ 706.059805] ? kvm_clock_read+0x18/0x30 [ 706.063585] Swap cache stats: add 0, delete 0, find 0/0 [ 706.067637] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 706.071077] Free swap = 0kB [ 706.075103] ? print_usage_bug+0xc0/0xc0 [ 706.080443] Total swap = 0kB [ 706.085450] ? __lock_acquire+0x62f/0x4c20 [ 706.088442] 1965979 pages RAM [ 706.092496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.095653] 0 pages HighMem/MovableOnly [ 706.095661] 342854 pages reserved [ 706.099908] ? should_fail+0x22d/0xd01 [ 706.103003] 0 pages cma reserved [ 706.108544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.112567] aoe: skb alloc failure [ 706.115945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.115960] ? __lock_acquire+0x62f/0x4c20 [ 706.115980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.119875] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.123212] ? __lock_acquire+0x62f/0x4c20 [ 706.128462] syz-fuzzer cpuset=/ mems_allowed=0 [ 706.131996] ? should_fail+0x22d/0xd01 [ 706.169247] ? rcu_irq_exit+0x1a2/0x390 [ 706.173237] ? mark_held_locks+0x130/0x130 [ 706.177476] ? mark_held_locks+0x130/0x130 [ 706.181716] ? mark_held_locks+0xc7/0x130 [ 706.185868] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 706.190882] ? zap_class+0x640/0x640 [ 706.194608] ? print_usage_bug+0xc0/0xc0 [ 706.198671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.204211] ? check_preemption_disabled+0x48/0x280 [ 706.209233] ? __lock_is_held+0xb5/0x140 [ 706.213351] __alloc_pages_nodemask+0xad8/0xea0 [ 706.218019] ? zap_class+0x640/0x640 [ 706.221747] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 706.226776] ? find_held_lock+0x36/0x1c0 [ 706.230865] ? ____cache_alloc_node+0x1c7/0x1e0 [ 706.235537] ? lock_downgrade+0x900/0x900 [ 706.239697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.245239] cache_grow_begin+0xa5/0x8c0 [ 706.249306] ? do_raw_spin_unlock+0xa7/0x330 [ 706.253722] fallback_alloc+0x204/0x2e0 [ 706.257705] ____cache_alloc_node+0x1c7/0x1e0 [ 706.262207] kmem_cache_alloc_node+0xe3/0x730 [ 706.266707] ? ipv6_get_ifaddr+0x42e/0x620 [ 706.270952] __alloc_skb+0x119/0x770 [ 706.274669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.279949] ? netdev_alloc_frag+0x1f0/0x1f0 [ 706.284358] ? lock_downgrade+0x900/0x900 [ 706.288520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.294067] ? refcount_sub_and_test_checked+0x203/0x310 [ 706.299522] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 706.304975] ? addrconf_rs_timer+0x690/0x690 [ 706.309397] ndisc_alloc_skb+0x144/0x340 [ 706.313466] ndisc_send_rs+0x331/0x6e0 [ 706.317362] addrconf_rs_timer+0x314/0x690 [ 706.321605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.325851] call_timer_fn+0x272/0x920 [ 706.329737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.333969] ? process_timeout+0x40/0x40 [ 706.338040] ? __run_timers+0x7da/0xc70 [ 706.342027] ? _raw_spin_unlock_irq+0x27/0x80 [ 706.346527] ? _raw_spin_unlock_irq+0x27/0x80 [ 706.351019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.355259] ? lockdep_hardirqs_on+0x296/0x5b0 [ 706.359850] ? trace_hardirqs_on+0xbd/0x310 [ 706.364172] ? kasan_check_read+0x11/0x20 [ 706.368317] ? __run_timers+0x7da/0xc70 [ 706.372304] ? trace_hardirqs_off_caller+0x310/0x310 [ 706.377431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.381672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.385904] __run_timers+0x7e5/0xc70 [ 706.389719] ? timer_fixup_init+0x70/0x70 [ 706.393876] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 706.398894] ? zap_class+0x640/0x640 [ 706.402614] ? enqueue_hrtimer+0x1a5/0x560 [ 706.406853] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 706.412054] ? find_held_lock+0x36/0x1c0 [ 706.416136] ? zap_class+0x640/0x640 [ 706.419886] ? pvclock_read_flags+0x160/0x160 [ 706.424385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.429926] ? check_preemption_disabled+0x48/0x280 [ 706.434952] ? __lock_is_held+0xb5/0x140 [ 706.439018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.444564] ? check_preemption_disabled+0x48/0x280 [ 706.449590] run_timer_softirq+0x52/0xb0 [ 706.453654] ? rcu_read_lock_sched_held+0x14f/0x180 [ 706.458675] __do_softirq+0x308/0xb7e [ 706.462482] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 706.466980] ? lock_downgrade+0x900/0x900 [ 706.471130] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 706.476244] ? pvclock_read_flags+0x160/0x160 [ 706.480742] ? lapic_next_event+0x5a/0x90 [ 706.484896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.490443] ? kvm_clock_read+0x18/0x30 [ 706.494421] ? kvm_sched_clock_read+0x9/0x20 [ 706.498846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.504389] ? check_preemption_disabled+0x48/0x280 [ 706.509415] irq_exit+0x17f/0x1c0 [ 706.512872] smp_apic_timer_interrupt+0x1cb/0x760 [ 706.517713] ? smp_reschedule_interrupt+0x109/0x650 [ 706.522733] ? smp_call_function_single_interrupt+0x650/0x650 [ 706.528623] ? interrupt_entry+0xb5/0xc0 [ 706.532692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.537708] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.542727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.547570] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.552586] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.557619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.562474] apic_timer_interrupt+0xf/0x20 [ 706.566705] </IRQ> [ 706.568951] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 706.574838] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 706.593827] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 706.601795] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 706.609068] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 706.616336] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 706.623601] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 706.630870] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 706.638181] ? save_stack+0xa9/0xd0 [ 706.641820] __kmalloc_node_track_caller+0x3c/0x70 [ 706.646760] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 706.651520] pskb_expand_head+0x230/0x10f0 [ 706.655756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.661214] ? memcpy+0x45/0x50 [ 706.664496] ? __copy_skb_header+0x350/0x6b0 [ 706.668907] ? skb_release_data+0x880/0x880 [ 706.673228] ? __alloc_skb+0x770/0x770 [ 706.677131] ? __lock_is_held+0xb5/0x140 [ 706.681204] ? kasan_check_write+0x14/0x20 [ 706.685440] ? __skb_clone+0x6c7/0xa00 [ 706.689329] ? __copy_skb_header+0x6b0/0x6b0 [ 706.693741] ? kmem_cache_alloc+0x33a/0x730 [ 706.698073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.703618] skb_ensure_writable+0x3dd/0x640 [ 706.708030] ? skb_checksum_setup+0xaa0/0xaa0 [ 706.712535] ? preempt_notifier_register+0x200/0x200 [ 706.717639] ? __switch_to_asm+0x34/0x70 [ 706.721703] ? __switch_to_asm+0x34/0x70 [ 706.725760] ? __switch_to_asm+0x40/0x70 [ 706.729819] ? __switch_to_asm+0x34/0x70 [ 706.733876] ? __switch_to_asm+0x40/0x70 [ 706.737940] ? __switch_to_asm+0x40/0x70 [ 706.742000] ? __switch_to_asm+0x34/0x70 [ 706.746083] ? __switch_to_asm+0x34/0x70 [ 706.750153] ? __switch_to_asm+0x40/0x70 [ 706.754212] ? __switch_to_asm+0x34/0x70 [ 706.758279] bpf_clone_redirect+0x14a/0x490 [ 706.762625] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 706.767645] ? __sched_text_start+0x8/0x8 [ 706.771795] ? retint_kernel+0x2d/0x2d [ 706.775696] ? find_held_lock+0x36/0x1c0 [ 706.779764] ? lock_acquire+0x1ed/0x520 [ 706.783739] ? bpf_test_run+0x3cb/0x780 [ 706.787719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.793259] ? check_preemption_disabled+0x48/0x280 [ 706.798319] ? kasan_check_read+0x11/0x20 [ 706.802467] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.807742] ? rcu_softirq_qs+0x20/0x20 [ 706.811721] ? preempt_schedule+0x4d/0x60 [ 706.815874] ? ___preempt_schedule+0x16/0x18 [ 706.820330] ? bpf_test_run+0x25d/0x780 [ 706.824355] ? netlink_diag_dump+0x2a0/0x2a0 [ 706.828782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.834318] ? bpf_test_init.isra.10+0x70/0x100 [ 706.838993] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 706.843758] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.848598] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.854137] ? fput+0x130/0x1a0 [ 706.857448] ? __bpf_prog_get+0x9b/0x290 [ 706.861518] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.866373] ? bpf_prog_test_run+0x130/0x1a0 [ 706.870783] ? __x64_sys_bpf+0x3d8/0x520 [ 706.874862] ? bpf_prog_get+0x20/0x20 [ 706.878681] ? do_syscall_64+0x1b9/0x820 [ 706.882748] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 706.888117] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.893053] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.898078] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 706.903099] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 706.909766] ? __switch_to_asm+0x40/0x70 [ 706.913827] ? __switch_to_asm+0x34/0x70 [ 706.917892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.922741] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.928127] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 706.928192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 706.935141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.935147] Call Trace: [ 706.935153] <IRQ> [ 706.935171] dump_stack+0x244/0x39d [ 706.935190] ? dump_stack_print_info.cold.1+0x20/0x20 [ 706.941719] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.951021] warn_alloc.cold.116+0xb7/0x1bd [ 706.953574] syz-executor3 cpuset=syz3 mems_allowed=0 [ 706.955717] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.989233] ? lock_downgrade+0x900/0x900 [ 706.993392] ? trace_hardirqs_off+0xb8/0x310 [ 706.997809] ? trace_hardirqs_off+0xb8/0x310 [ 707.002231] __alloc_pages_slowpath+0x2651/0x2de0 [ 707.007115] ? warn_alloc+0x120/0x120 [ 707.010920] ? warn_alloc+0x120/0x120 [ 707.014722] ? __lock_acquire+0x62f/0x4c20 [ 707.018956] ? warn_alloc+0x120/0x120 [ 707.022757] ? print_usage_bug+0xc0/0xc0 [ 707.026822] ? print_usage_bug+0xc0/0xc0 [ 707.030888] ? mark_held_locks+0x130/0x130 [ 707.035133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.040673] ? should_fail+0x22d/0xd01 [ 707.044566] ? zap_class+0x640/0x640 [ 707.048296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.053401] ? __lock_acquire+0x62f/0x4c20 [ 707.057645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.062747] ? should_fail+0x22d/0xd01 [ 707.066653] ? mark_held_locks+0x130/0x130 [ 707.070891] ? mark_held_locks+0x130/0x130 [ 707.075127] ? lock_downgrade+0x900/0x900 [ 707.079280] ? zap_class+0x640/0x640 [ 707.083014] ? zap_class+0x640/0x640 [ 707.086742] ? zap_class+0x640/0x640 [ 707.090453] ? do_raw_spin_unlock+0xa7/0x330 [ 707.094862] ? trace_hardirqs_on+0x310/0x310 [ 707.099269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.104817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.110356] ? check_preemption_disabled+0x48/0x280 [ 707.115382] ? __lock_is_held+0xb5/0x140 [ 707.119454] __alloc_pages_nodemask+0xad8/0xea0 [ 707.124120] ? zap_class+0x640/0x640 [ 707.127840] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 707.132871] ? find_held_lock+0x36/0x1c0 [ 707.136943] ? ____cache_alloc_node+0x1c7/0x1e0 [ 707.141613] ? lock_downgrade+0x900/0x900 [ 707.145768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.151322] cache_grow_begin+0xa5/0x8c0 [ 707.155398] ? do_raw_spin_unlock+0xa7/0x330 [ 707.159830] fallback_alloc+0x204/0x2e0 [ 707.163816] ____cache_alloc_node+0x1c7/0x1e0 [ 707.168323] kmem_cache_alloc_node+0xe3/0x730 [ 707.172822] ? lockdep_hardirqs_on+0x296/0x5b0 [ 707.177414] __alloc_skb+0x119/0x770 [ 707.181160] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 707.186524] ? netdev_alloc_frag+0x1f0/0x1f0 [ 707.190944] ? vprintk_default+0x28/0x30 [ 707.195006] ? vprintk_func+0x85/0x181 [ 707.198898] ? printk+0xa7/0xcf [ 707.202178] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 707.206942] new_skb+0x26/0x1c0 [ 707.210225] aoecmd_cfg+0x279/0x7f0 [ 707.213855] ? find_held_lock+0x36/0x1c0 [ 707.217922] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 707.222261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.227819] ? __lock_is_held+0xb5/0x140 [ 707.231891] discover_timer+0x50/0x60 [ 707.235695] call_timer_fn+0x272/0x920 [ 707.239581] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.244422] ? process_timeout+0x40/0x40 [ 707.248492] ? mark_held_locks+0xc7/0x130 [ 707.252643] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.257135] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.261632] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.266479] ? lockdep_hardirqs_on+0x296/0x5b0 [ 707.271064] ? trace_hardirqs_on+0xbd/0x310 [ 707.275387] ? kasan_check_read+0x11/0x20 [ 707.279533] ? __run_timers+0x7da/0xc70 [ 707.283516] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.288648] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 707.293488] __run_timers+0x7e5/0xc70 [ 707.297309] ? timer_fixup_init+0x70/0x70 [ 707.301462] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 707.306482] ? zap_class+0x640/0x640 [ 707.310204] ? print_usage_bug+0xc0/0xc0 [ 707.314282] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 707.319502] ? find_held_lock+0x36/0x1c0 [ 707.323574] ? zap_class+0x640/0x640 [ 707.327335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.332896] ? check_preemption_disabled+0x48/0x280 [ 707.337922] ? __lock_is_held+0xb5/0x140 [ 707.341986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.347527] ? check_preemption_disabled+0x48/0x280 [ 707.352561] run_timer_softirq+0x52/0xb0 [ 707.356624] ? rcu_read_lock_sched_held+0x14f/0x180 [ 707.361640] __do_softirq+0x308/0xb7e [ 707.365444] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 707.369939] ? lock_downgrade+0x900/0x900 [ 707.374091] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 707.379207] ? pvclock_read_flags+0x160/0x160 [ 707.383704] ? lapic_next_event+0x5a/0x90 [ 707.387854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.393400] ? kvm_clock_read+0x18/0x30 [ 707.397372] ? kvm_sched_clock_read+0x9/0x20 [ 707.401783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.407322] ? check_preemption_disabled+0x48/0x280 [ 707.412351] irq_exit+0x17f/0x1c0 [ 707.415811] smp_apic_timer_interrupt+0x1cb/0x760 [ 707.420656] ? smp_call_function_single_interrupt+0x159/0x650 [ 707.426545] ? smp_call_function_single_interrupt+0x650/0x650 [ 707.432439] ? interrupt_entry+0xb5/0xc0 [ 707.436520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.441541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.446572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.451428] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.456443] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.461474] ? task_prio+0x50/0x50 [ 707.465035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.470578] ? check_preemption_disabled+0x48/0x280 [ 707.475635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.480489] apic_timer_interrupt+0xf/0x20 [ 707.484728] </IRQ> [ 707.486981] RIP: 0010:rcu_is_watching+0x0/0x30 [ 707.491569] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 707.510502] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 707.518213] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 707.525479] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 707.532749] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 707.540017] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 707.547281] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 707.554586] ? list_lru_count_one+0x253/0x450 [ 707.559081] ? list_lru_count_one+0x35d/0x450 [ 707.563585] ? list_lru_count_one+0x362/0x450 [ 707.568084] ? list_lru_isolate_move+0x3c0/0x3c0 [ 707.572854] ? shmem_free_inode+0xd0/0xd0 [ 707.577011] ? __lock_is_held+0xb5/0x140 [ 707.581081] super_cache_count+0x1b9/0x2e0 [ 707.585332] do_shrink_slab+0x1b1/0xd30 [ 707.589330] ? snapshot_refaults+0x290/0x290 [ 707.593746] ? lock_release+0xa00/0xa00 [ 707.597729] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 707.602670] ? down_read_trylock+0xda/0x140 [ 707.606989] ? shrink_slab+0x207/0x8c0 [ 707.610880] ? downgrade_write+0x270/0x270 [ 707.615126] shrink_slab+0x389/0x8c0 [ 707.618841] ? shrink_active_list+0x1f00/0x1f00 [ 707.623517] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 707.629154] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 707.634266] ? cgroup_procs_write_finish+0xf0/0xf0 [ 707.639215] ? find_held_lock+0x36/0x1c0 [ 707.643292] shrink_node+0x431/0x16b0 [ 707.647097] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 707.652399] ? shrink_node_memcg+0x18f0/0x18f0 [ 707.656987] ? kvm_clock_read+0x18/0x30 [ 707.660992] ? ktime_get+0x2c1/0x400 [ 707.664706] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 707.669223] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.674761] ? __cpuset_node_allowed+0x19b/0x660 [ 707.679522] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 707.685237] ? delayacct_end+0x5a/0x100 [ 707.689220] do_try_to_free_pages+0x3e7/0x1290 [ 707.693800] ? zap_class+0x640/0x640 [ 707.697533] ? shrink_node+0x16b0/0x16b0 [ 707.701604] ? __lock_is_held+0xb5/0x140 [ 707.705678] try_to_free_pages+0x4d0/0xb90 [ 707.709917] ? do_try_to_free_pages+0x1290/0x1290 [ 707.714777] ? lock_acquire+0x1ed/0x520 [ 707.718750] ? set_page_refcounted+0x280/0x280 [ 707.723341] ? lock_release+0xa00/0xa00 [ 707.727320] ? _raw_spin_unlock_irq+0x60/0x80 [ 707.731819] ? psi_memstall_enter+0x240/0x2b0 [ 707.736323] ? psi_memstall_tick+0x230/0x230 [ 707.740744] __alloc_pages_slowpath+0xa48/0x2de0 [ 707.745529] ? warn_alloc+0x120/0x120 [ 707.749335] ? mark_held_locks+0x130/0x130 [ 707.753585] ? find_get_entry+0xaae/0x1120 [ 707.757829] ? filemap_map_pages+0x1a20/0x1a20 [ 707.762416] ? zap_class+0x640/0x640 [ 707.766166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.771703] ? check_preemption_disabled+0x48/0x280 [ 707.776718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.782266] ? should_fail+0x22d/0xd01 [ 707.786164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.791294] ? zap_class+0x640/0x640 [ 707.795063] ? __lock_is_held+0xb5/0x140 [ 707.799133] ? mark_held_locks+0x130/0x130 [ 707.803372] ? lock_release+0xa00/0xa00 [ 707.807351] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.812801] ? xa_load+0x2ba/0x460 [ 707.816344] ? lock_downgrade+0x900/0x900 [ 707.820502] ? __might_sleep+0x95/0x190 [ 707.824486] __alloc_pages_nodemask+0xad8/0xea0 [ 707.829177] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 707.834205] ? __page_cache_alloc+0x191/0x5c0 [ 707.838722] ? xa_load+0x2e1/0x460 [ 707.842262] ? xa_clear_mark+0x40/0x40 [ 707.846159] ? zap_class+0x640/0x640 [ 707.849896] ? zap_class+0x640/0x640 [ 707.853623] ? zap_class+0x640/0x640 [ 707.857342] ? __do_page_cache_readahead+0x663/0x810 [ 707.862454] ? find_held_lock+0x36/0x1c0 [ 707.866524] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 707.872068] alloc_pages_current+0x173/0x350 [ 707.876501] __page_cache_alloc+0x38c/0x5c0 [ 707.880820] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.885752] ? kasan_check_read+0x11/0x20 [ 707.889901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.895181] ? generic_perform_write+0x6a0/0x6a0 [ 707.899965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.905505] ? check_preemption_disabled+0x48/0x280 [ 707.910528] filemap_fault+0x1595/0x25f0 [ 707.914606] ? __lock_page_or_retry+0xa00/0xa00 [ 707.919275] ? mark_held_locks+0x130/0x130 [ 707.923544] ? filemap_map_pages+0xd6b/0x1a20 [ 707.928059] ? lock_downgrade+0x900/0x900 [ 707.932210] ? check_preemption_disabled+0x48/0x280 [ 707.937229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.942156] ? kasan_check_read+0x11/0x20 [ 707.946325] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.951603] ? rcu_softirq_qs+0x20/0x20 [ 707.955597] ? filemap_map_pages+0xd92/0x1a20 [ 707.960108] ? find_get_entries_tag+0x1400/0x1400 [ 707.965176] ? debug_object_destroy+0x2b0/0x2b0 [ 707.969848] ? lock_pi_update_atomic+0x150/0x150 [ 707.974604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.980156] ? lock_acquire+0x1ed/0x520 [ 707.984129] ? ext4_filemap_fault+0x7a/0xad [ 707.988458] ? lock_release+0xa00/0xa00 [ 707.992446] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.997915] ? print_usage_bug+0xc0/0xc0 [ 708.001978] ? print_usage_bug+0xc0/0xc0 [ 708.006049] ? down_read+0x8d/0x120 [ 708.009672] ? ext4_filemap_fault+0x7a/0xad [ 708.013994] ? __down_interruptible+0x700/0x700 [ 708.018674] ext4_filemap_fault+0x82/0xad [ 708.022826] __do_fault+0x100/0x6b0 [ 708.026451] ? release_sock+0x1ec/0x2c0 [ 708.030444] ? pmd_devmap_trans_unstable+0x220/0x220 [ 708.035555] ? mark_held_locks+0x130/0x130 [ 708.039793] ? mark_held_locks+0x130/0x130 [ 708.044026] ? lock_sock_nested+0x9a/0x120 [ 708.048263] ? __release_sock+0x3a0/0x3a0 [ 708.052434] ? __local_bh_enable_ip+0x160/0x260 [ 708.057110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.062667] __handle_mm_fault+0x3ea0/0x5be0 [ 708.067102] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 708.071947] ? apparmor_socket_sendmsg+0x29/0x30 [ 708.076706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.082245] ? security_socket_sendmsg+0x94/0xc0 [ 708.087041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.092597] ? zap_class+0x640/0x640 [ 708.096504] ? zap_class+0x640/0x640 [ 708.100220] ? __x64_sys_futex+0x53e/0x6a0 [ 708.104461] ? find_held_lock+0x36/0x1c0 [ 708.108571] ? handle_mm_fault+0x42a/0xc70 [ 708.112823] ? lock_downgrade+0x900/0x900 [ 708.116970] ? check_preemption_disabled+0x48/0x280 [ 708.121991] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 708.126918] ? kasan_check_read+0x11/0x20 [ 708.131066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.136370] ? rcu_softirq_qs+0x20/0x20 [ 708.140373] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.145483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.151023] ? check_preemption_disabled+0x48/0x280 [ 708.156046] handle_mm_fault+0x54f/0xc70 [ 708.160110] ? __handle_mm_fault+0x5be0/0x5be0 [ 708.164699] ? find_vma+0x34/0x190 [ 708.168247] __do_page_fault+0x5e8/0xe60 [ 708.172329] ? trace_hardirqs_off+0xb8/0x310 [ 708.176735] ? __ia32_sys_read+0xb0/0xb0 [ 708.180807] do_page_fault+0xf2/0x7e0 [ 708.184611] ? vmalloc_sync_all+0x30/0x30 [ 708.188759] ? error_entry+0x70/0xd0 [ 708.192477] ? trace_hardirqs_off_caller+0xbb/0x310 [ 708.197496] ? trace_hardirqs_on_caller+0xc0/0x310 [ 708.202430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.207356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.212196] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.217215] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.222674] ? prepare_exit_to_usermode+0x291/0x3b0 [ 708.227725] ? page_fault+0x8/0x30 [ 708.231276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.236131] ? page_fault+0x8/0x30 [ 708.239677] page_fault+0x1e/0x30 [ 708.243147] RIP: 0033:0x45ddf3 [ 708.246358] Code: Bad RIP value. [ 708.249717] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 708.255078] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 708.262374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 708.269639] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 708.276902] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 708.284167] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 708.291462] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 708.291467] warn_alloc_show_mem: 1 callbacks suppressed [ 708.291474] Mem-Info: [ 708.298737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.298745] Call Trace: [ 708.304112] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 708.304112] active_file:13 inactive_file:14 isolated_file:0 [ 708.304112] unevictable:0 dirty:0 writeback:0 unstable:0 [ 708.304112] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 708.304112] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 708.304112] free:13773 free_pcp:174 free_cma:0 [ 708.306483] <IRQ> [ 708.315872] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 708.318455] dump_stack+0x244/0x39d [ 708.351397] 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 [ 708.353546] ? dump_stack_print_info.cold.1+0x20/0x20 [ 708.381019] lowmem_reserve[]: 0 2818 6321 6321 [ 708.384651] warn_alloc.cold.116+0xb7/0x1bd [ 708.410725] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 708.415907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.420462] lowmem_reserve[]: 0 0 3503 3503 [ 708.424780] ? lock_downgrade+0x900/0x900 [ 708.452249] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 708.457092] ? trace_hardirqs_off+0xb8/0x310 [ 708.461381] lowmem_reserve[]: 0 0 0 0 [ 708.465525] ? trace_hardirqs_off+0xb8/0x310 [ 708.494387] 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 [ 708.498795] __alloc_pages_slowpath+0x2651/0x2de0 [ 708.502572] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 708.506995] ? warn_alloc+0x120/0x120 [ 708.520474] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 708.525325] ? print_usage_bug+0xc0/0xc0 [ 708.541275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 708.545076] ? warn_alloc+0x120/0x120 [ 708.558671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 708.562721] ? warn_alloc+0x120/0x120 [ 708.571531] 271 total pagecache pages [ 708.575327] ? print_usage_bug+0xc0/0xc0 [ 708.583884] 0 pages in swap cache [ 708.587672] ? print_usage_bug+0xc0/0xc0 [ 708.591448] Swap cache stats: add 0, delete 0, find 0/0 [ 708.595501] ? __lock_acquire+0x62f/0x4c20 [ 708.598927] Free swap = 0kB [ 708.602996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.608331] Total swap = 0kB [ 708.612556] ? should_fail+0x22d/0xd01 [ 708.615555] 1965979 pages RAM [ 708.621100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.624098] 0 pages HighMem/MovableOnly [ 708.627980] ? __lock_acquire+0x62f/0x4c20 [ 708.631061] 342854 pages reserved [ 708.636170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.640118] 0 pages cma reserved [ 708.644350] ? __lock_acquire+0x62f/0x4c20 [ 708.647845] aoe: skb alloc failure [ 708.652870] ? should_fail+0x22d/0xd01 [ 708.652886] ? find_held_lock+0x36/0x1c0 [ 708.656323] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.660490] ? mark_held_locks+0x130/0x130 [ 708.664004] syz-fuzzer cpuset=/ mems_allowed=0 [ 708.667899] ? mark_held_locks+0x130/0x130 [ 708.695148] ? zap_class+0x640/0x640 [ 708.698862] ? zap_class+0x640/0x640 [ 708.702579] ? print_usage_bug+0xc0/0xc0 [ 708.706663] ? do_raw_spin_unlock+0xa7/0x330 [ 708.711073] ? zap_class+0x640/0x640 [ 708.714784] ? print_usage_bug+0xc0/0xc0 [ 708.718844] ? wq_watchdog_touch+0x9c/0xfe [ 708.723081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.728616] ? check_preemption_disabled+0x48/0x280 [ 708.733655] ? __lock_is_held+0xb5/0x140 [ 708.737720] __alloc_pages_nodemask+0xad8/0xea0 [ 708.742403] ? zap_class+0x640/0x640 [ 708.746124] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 708.751167] ? find_held_lock+0x36/0x1c0 [ 708.755241] ? ____cache_alloc_node+0x1c7/0x1e0 [ 708.759913] ? lock_downgrade+0x900/0x900 [ 708.764077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.769624] cache_grow_begin+0xa5/0x8c0 [ 708.773688] ? do_raw_spin_unlock+0xa7/0x330 [ 708.778136] fallback_alloc+0x204/0x2e0 [ 708.782122] ____cache_alloc_node+0x1c7/0x1e0 [ 708.786627] kmem_cache_alloc_node+0xe3/0x730 [ 708.791126] ? ipv6_get_ifaddr+0x42e/0x620 [ 708.795377] __alloc_skb+0x119/0x770 [ 708.799090] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.804370] ? netdev_alloc_frag+0x1f0/0x1f0 [ 708.808777] ? lock_downgrade+0x900/0x900 [ 708.813022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.818565] ? refcount_sub_and_test_checked+0x203/0x310 [ 708.824021] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 708.829472] ? addrconf_rs_timer+0x690/0x690 [ 708.833892] ndisc_alloc_skb+0x144/0x340 [ 708.837976] ndisc_send_rs+0x331/0x6e0 [ 708.841867] addrconf_rs_timer+0x314/0x690 [ 708.846106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.850349] call_timer_fn+0x272/0x920 [ 708.854234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.858480] ? process_timeout+0x40/0x40 [ 708.862565] ? __run_timers+0x7da/0xc70 [ 708.866544] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.871039] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.875537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.879771] ? lockdep_hardirqs_on+0x296/0x5b0 [ 708.884358] ? trace_hardirqs_on+0xbd/0x310 [ 708.888674] ? kasan_check_read+0x11/0x20 [ 708.892814] ? __run_timers+0x7da/0xc70 [ 708.896799] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.901903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.906139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.910371] __run_timers+0x7e5/0xc70 [ 708.914180] ? timer_fixup_init+0x70/0x70 [ 708.918330] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 708.923351] ? zap_class+0x640/0x640 [ 708.927074] ? enqueue_hrtimer+0x1a5/0x560 [ 708.931335] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 708.936563] ? find_held_lock+0x36/0x1c0 [ 708.940644] ? zap_class+0x640/0x640 [ 708.944359] ? pvclock_read_flags+0x160/0x160 [ 708.948854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.954396] ? check_preemption_disabled+0x48/0x280 [ 708.959419] ? __lock_is_held+0xb5/0x140 [ 708.963483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.969020] ? check_preemption_disabled+0x48/0x280 [ 708.974067] run_timer_softirq+0x52/0xb0 [ 708.978132] ? rcu_read_lock_sched_held+0x14f/0x180 [ 708.983149] __do_softirq+0x308/0xb7e [ 708.986953] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 708.991459] ? lock_downgrade+0x900/0x900 [ 708.995609] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 709.000717] ? pvclock_read_flags+0x160/0x160 [ 709.005217] ? lapic_next_event+0x5a/0x90 [ 709.009362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.014921] ? kvm_clock_read+0x18/0x30 [ 709.018910] ? kvm_sched_clock_read+0x9/0x20 [ 709.023343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.028881] ? check_preemption_disabled+0x48/0x280 [ 709.033921] irq_exit+0x17f/0x1c0 [ 709.037401] smp_apic_timer_interrupt+0x1cb/0x760 [ 709.042246] ? smp_reschedule_interrupt+0x109/0x650 [ 709.047303] ? smp_call_function_single_interrupt+0x650/0x650 [ 709.053188] ? interrupt_entry+0xb5/0xc0 [ 709.057267] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.062295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.067319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.072160] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.077171] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.082247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.087095] apic_timer_interrupt+0xf/0x20 [ 709.091346] </IRQ> [ 709.093580] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 709.099465] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 709.118359] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 709.126069] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 709.133332] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 709.140614] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 709.147877] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 709.155141] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 709.162439] ? save_stack+0xa9/0xd0 [ 709.166090] __kmalloc_node_track_caller+0x3c/0x70 [ 709.171022] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 709.175786] pskb_expand_head+0x230/0x10f0 [ 709.180022] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 709.185482] ? memcpy+0x45/0x50 [ 709.188765] ? __copy_skb_header+0x350/0x6b0 [ 709.193201] ? skb_release_data+0x880/0x880 [ 709.197519] ? __alloc_skb+0x770/0x770 [ 709.201418] ? __lock_is_held+0xb5/0x140 [ 709.205484] ? kasan_check_write+0x14/0x20 [ 709.209717] ? __skb_clone+0x6c7/0xa00 [ 709.213624] ? __copy_skb_header+0x6b0/0x6b0 [ 709.218027] ? kmem_cache_alloc+0x33a/0x730 [ 709.222353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.227896] skb_ensure_writable+0x3dd/0x640 [ 709.232318] ? skb_checksum_setup+0xaa0/0xaa0 [ 709.236816] ? preempt_notifier_register+0x200/0x200 [ 709.241917] ? __switch_to_asm+0x34/0x70 [ 709.245990] ? __switch_to_asm+0x34/0x70 [ 709.250067] ? __switch_to_asm+0x40/0x70 [ 709.254142] ? __switch_to_asm+0x34/0x70 [ 709.258235] ? __switch_to_asm+0x40/0x70 [ 709.262301] ? __switch_to_asm+0x40/0x70 [ 709.266357] ? __switch_to_asm+0x34/0x70 [ 709.270419] ? __switch_to_asm+0x34/0x70 [ 709.274480] ? __switch_to_asm+0x40/0x70 [ 709.278539] ? __switch_to_asm+0x34/0x70 [ 709.282604] bpf_clone_redirect+0x14a/0x490 [ 709.286932] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 709.291953] ? __sched_text_start+0x8/0x8 [ 709.296100] ? retint_kernel+0x2d/0x2d [ 709.300000] ? find_held_lock+0x36/0x1c0 [ 709.304077] ? lock_acquire+0x1ed/0x520 [ 709.308086] ? bpf_test_run+0x3cb/0x780 [ 709.312082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.317616] ? check_preemption_disabled+0x48/0x280 [ 709.322641] ? kasan_check_read+0x11/0x20 [ 709.326792] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.332072] ? rcu_softirq_qs+0x20/0x20 [ 709.336057] ? preempt_schedule+0x4d/0x60 [ 709.340204] ? ___preempt_schedule+0x16/0x18 [ 709.344625] ? bpf_test_run+0x25d/0x780 [ 709.348614] ? netlink_diag_dump+0x2a0/0x2a0 [ 709.353112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.358648] ? bpf_test_init.isra.10+0x70/0x100 [ 709.363328] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 709.368091] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 709.372931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.378467] ? fput+0x130/0x1a0 [ 709.381750] ? __bpf_prog_get+0x9b/0x290 [ 709.385820] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 709.390663] ? bpf_prog_test_run+0x130/0x1a0 [ 709.395104] ? __x64_sys_bpf+0x3d8/0x520 [ 709.399199] ? bpf_prog_get+0x20/0x20 [ 709.403027] ? do_syscall_64+0x1b9/0x820 [ 709.407104] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 709.412473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.417410] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.422427] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 709.427444] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 709.434106] ? __switch_to_asm+0x40/0x70 [ 709.438161] ? __switch_to_asm+0x34/0x70 [ 709.442241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.447124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.452522] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 709.452597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 709.459537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.459542] Call Trace: [ 709.459555] <IRQ> [ 709.459573] dump_stack+0x244/0x39d [ 709.459591] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.466174] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 709.475443] warn_alloc.cold.116+0xb7/0x1bd [ 709.478011] syz-executor3 cpuset=syz3 mems_allowed=0 [ 709.480153] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 709.513641] ? lock_downgrade+0x900/0x900 [ 709.517798] ? trace_hardirqs_off+0xb8/0x310 [ 709.522210] ? trace_hardirqs_off+0xb8/0x310 [ 709.526636] __alloc_pages_slowpath+0x2651/0x2de0 [ 709.531546] ? warn_alloc+0x120/0x120 [ 709.535365] ? warn_alloc+0x120/0x120 [ 709.539179] ? warn_alloc+0x120/0x120 [ 709.542979] ? print_usage_bug+0xc0/0xc0 [ 709.547035] ? print_usage_bug+0xc0/0xc0 [ 709.551092] ? ktime_get+0x2c1/0x400 [ 709.554813] ? check_preemption_disabled+0x48/0x280 [ 709.559824] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 709.564328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.569867] ? should_fail+0x22d/0xd01 [ 709.573757] ? kasan_check_read+0x11/0x20 [ 709.577903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.583004] ? __lock_acquire+0x62f/0x4c20 [ 709.587253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.592363] ? should_fail+0x22d/0xd01 [ 709.596252] ? print_usage_bug+0xc0/0xc0 [ 709.600328] ? mark_held_locks+0x130/0x130 [ 709.604572] ? mark_held_locks+0x130/0x130 [ 709.608805] ? check_preemption_disabled+0x48/0x280 [ 709.613831] ? zap_class+0x640/0x640 [ 709.617598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.622373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.627910] ? check_preemption_disabled+0x48/0x280 [ 709.632939] ? __lock_is_held+0xb5/0x140 [ 709.637006] __alloc_pages_nodemask+0xad8/0xea0 [ 709.641702] ? zap_class+0x640/0x640 [ 709.645438] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 709.650469] ? find_held_lock+0x36/0x1c0 [ 709.654537] ? ____cache_alloc_node+0x1c7/0x1e0 [ 709.659210] ? lock_downgrade+0x900/0x900 [ 709.663376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.668916] cache_grow_begin+0xa5/0x8c0 [ 709.672990] ? do_raw_spin_unlock+0xa7/0x330 [ 709.677409] fallback_alloc+0x204/0x2e0 [ 709.681388] ____cache_alloc_node+0x1c7/0x1e0 [ 709.685895] kmem_cache_alloc_node+0xe3/0x730 [ 709.690406] ? lockdep_hardirqs_on+0x296/0x5b0 [ 709.695003] __alloc_skb+0x119/0x770 [ 709.698719] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 709.704086] ? netdev_alloc_frag+0x1f0/0x1f0 [ 709.708529] ? vprintk_default+0x28/0x30 [ 709.712609] ? vprintk_func+0x85/0x181 [ 709.716498] ? printk+0xa7/0xcf [ 709.719791] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 709.724563] new_skb+0x26/0x1c0 [ 709.727841] aoecmd_cfg+0x279/0x7f0 [ 709.731472] ? find_held_lock+0x36/0x1c0 [ 709.735584] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 709.739914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.745462] ? __lock_is_held+0xb5/0x140 [ 709.749535] discover_timer+0x50/0x60 [ 709.753352] call_timer_fn+0x272/0x920 [ 709.757238] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.762090] ? process_timeout+0x40/0x40 [ 709.766159] ? mark_held_locks+0xc7/0x130 [ 709.770330] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.774825] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.779321] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.784160] ? lockdep_hardirqs_on+0x296/0x5b0 [ 709.788739] ? trace_hardirqs_on+0xbd/0x310 [ 709.793074] ? kasan_check_read+0x11/0x20 [ 709.797218] ? __run_timers+0x7da/0xc70 [ 709.801202] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.806323] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 709.811184] __run_timers+0x7e5/0xc70 [ 709.814994] ? timer_fixup_init+0x70/0x70 [ 709.819155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 709.824171] ? zap_class+0x640/0x640 [ 709.827884] ? print_usage_bug+0xc0/0xc0 [ 709.831945] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 709.837137] ? find_held_lock+0x36/0x1c0 [ 709.841215] ? zap_class+0x640/0x640 [ 709.844935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.850473] ? check_preemption_disabled+0x48/0x280 [ 709.855508] ? __lock_is_held+0xb5/0x140 [ 709.859570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.865117] ? check_preemption_disabled+0x48/0x280 [ 709.870152] run_timer_softirq+0x52/0xb0 [ 709.874220] ? rcu_read_lock_sched_held+0x14f/0x180 [ 709.879250] __do_softirq+0x308/0xb7e [ 709.883054] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 709.887599] ? lock_downgrade+0x900/0x900 [ 709.891753] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 709.896879] ? pvclock_read_flags+0x160/0x160 [ 709.901376] ? lapic_next_event+0x5a/0x90 [ 709.905521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.911081] ? kvm_clock_read+0x18/0x30 [ 709.915058] ? kvm_sched_clock_read+0x9/0x20 [ 709.919470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.925009] ? check_preemption_disabled+0x48/0x280 [ 709.930035] irq_exit+0x17f/0x1c0 [ 709.933488] smp_apic_timer_interrupt+0x1cb/0x760 [ 709.938341] ? smp_call_function_single_interrupt+0x159/0x650 [ 709.944238] ? smp_call_function_single_interrupt+0x650/0x650 [ 709.950120] ? interrupt_entry+0xb5/0xc0 [ 709.954189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.959203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.964447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.969311] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.974341] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.979370] ? task_prio+0x50/0x50 [ 709.982943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.988480] ? check_preemption_disabled+0x48/0x280 [ 709.993515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.998375] apic_timer_interrupt+0xf/0x20 [ 710.002600] </IRQ> [ 710.004837] RIP: 0010:rcu_is_watching+0x0/0x30 [ 710.009448] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 710.028345] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 710.036068] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 710.043368] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 710.050633] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 710.057898] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 710.065162] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 710.072443] ? list_lru_count_one+0x253/0x450 [ 710.076934] ? list_lru_count_one+0x35d/0x450 [ 710.081433] ? list_lru_count_one+0x362/0x450 [ 710.085942] ? list_lru_isolate_move+0x3c0/0x3c0 [ 710.090696] ? shmem_free_inode+0xd0/0xd0 [ 710.094990] ? __lock_is_held+0xb5/0x140 [ 710.099057] super_cache_count+0x1b9/0x2e0 [ 710.103302] do_shrink_slab+0x1b1/0xd30 [ 710.107285] ? snapshot_refaults+0x290/0x290 [ 710.111700] ? lock_release+0xa00/0xa00 [ 710.115705] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 710.120649] ? down_read_trylock+0xda/0x140 [ 710.124965] ? shrink_slab+0x207/0x8c0 [ 710.128849] ? downgrade_write+0x270/0x270 [ 710.133097] shrink_slab+0x389/0x8c0 [ 710.136812] ? shrink_active_list+0x1f00/0x1f00 [ 710.141491] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 710.147132] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 710.152271] ? cgroup_procs_write_finish+0xf0/0xf0 [ 710.157217] ? find_held_lock+0x36/0x1c0 [ 710.161311] shrink_node+0x431/0x16b0 [ 710.165131] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 710.170432] ? shrink_node_memcg+0x18f0/0x18f0 [ 710.175019] ? kvm_clock_read+0x18/0x30 [ 710.178993] ? ktime_get+0x2c1/0x400 [ 710.182710] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 710.187211] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 710.192753] ? __cpuset_node_allowed+0x19b/0x660 [ 710.197510] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 710.203217] ? delayacct_end+0x5a/0x100 [ 710.207216] do_try_to_free_pages+0x3e7/0x1290 [ 710.211794] ? zap_class+0x640/0x640 [ 710.215525] ? shrink_node+0x16b0/0x16b0 [ 710.219591] ? __lock_is_held+0xb5/0x140 [ 710.223667] try_to_free_pages+0x4d0/0xb90 [ 710.227907] ? do_try_to_free_pages+0x1290/0x1290 [ 710.232766] ? lock_acquire+0x1ed/0x520 [ 710.236738] ? set_page_refcounted+0x280/0x280 [ 710.241336] ? lock_release+0xa00/0xa00 [ 710.245330] ? _raw_spin_unlock_irq+0x60/0x80 [ 710.249825] ? psi_memstall_enter+0x240/0x2b0 [ 710.254339] ? psi_memstall_tick+0x230/0x230 [ 710.258777] __alloc_pages_slowpath+0xa48/0x2de0 [ 710.263568] ? warn_alloc+0x120/0x120 [ 710.267374] ? mark_held_locks+0x130/0x130 [ 710.271617] ? find_get_entry+0xaae/0x1120 [ 710.275864] ? filemap_map_pages+0x1a20/0x1a20 [ 710.280449] ? zap_class+0x640/0x640 [ 710.284173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.289711] ? check_preemption_disabled+0x48/0x280 [ 710.294728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.300265] ? should_fail+0x22d/0xd01 [ 710.304170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.309299] ? zap_class+0x640/0x640 [ 710.313075] ? __lock_is_held+0xb5/0x140 [ 710.317174] ? mark_held_locks+0x130/0x130 [ 710.321433] ? lock_release+0xa00/0xa00 [ 710.325422] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.330886] ? xa_load+0x2ba/0x460 [ 710.334445] ? lock_downgrade+0x900/0x900 [ 710.338608] ? __might_sleep+0x95/0x190 [ 710.342592] __alloc_pages_nodemask+0xad8/0xea0 [ 710.347283] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 710.352318] ? __page_cache_alloc+0x191/0x5c0 [ 710.356815] ? xa_load+0x2e1/0x460 [ 710.360355] ? xa_clear_mark+0x40/0x40 [ 710.364248] ? zap_class+0x640/0x640 [ 710.367968] ? zap_class+0x640/0x640 [ 710.371680] ? zap_class+0x640/0x640 [ 710.375394] ? __do_page_cache_readahead+0x663/0x810 [ 710.380508] ? find_held_lock+0x36/0x1c0 [ 710.384577] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 710.390131] alloc_pages_current+0x173/0x350 [ 710.394561] __page_cache_alloc+0x38c/0x5c0 [ 710.398881] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.403820] ? kasan_check_read+0x11/0x20 [ 710.407977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.413300] ? generic_perform_write+0x6a0/0x6a0 [ 710.418055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.423609] ? check_preemption_disabled+0x48/0x280 [ 710.428632] filemap_fault+0x1595/0x25f0 [ 710.432708] ? __lock_page_or_retry+0xa00/0xa00 [ 710.437395] ? mark_held_locks+0x130/0x130 [ 710.441641] ? filemap_map_pages+0xd6b/0x1a20 [ 710.446153] ? lock_downgrade+0x900/0x900 [ 710.450311] ? check_preemption_disabled+0x48/0x280 [ 710.455333] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.460264] ? kasan_check_read+0x11/0x20 [ 710.464420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.469702] ? rcu_softirq_qs+0x20/0x20 [ 710.473720] ? filemap_map_pages+0xd92/0x1a20 [ 710.478245] ? find_get_entries_tag+0x1400/0x1400 [ 710.483094] ? debug_object_destroy+0x2b0/0x2b0 [ 710.487773] ? lock_pi_update_atomic+0x150/0x150 [ 710.492547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.498133] ? lock_acquire+0x1ed/0x520 [ 710.502124] ? ext4_filemap_fault+0x7a/0xad [ 710.506485] ? lock_release+0xa00/0xa00 [ 710.510501] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.515956] ? print_usage_bug+0xc0/0xc0 [ 710.520021] ? print_usage_bug+0xc0/0xc0 [ 710.524092] ? down_read+0x8d/0x120 [ 710.527715] ? ext4_filemap_fault+0x7a/0xad [ 710.532047] ? __down_interruptible+0x700/0x700 [ 710.536738] ext4_filemap_fault+0x82/0xad [ 710.540895] __do_fault+0x100/0x6b0 [ 710.544563] ? release_sock+0x1ec/0x2c0 [ 710.548540] ? pmd_devmap_trans_unstable+0x220/0x220 [ 710.553651] ? mark_held_locks+0x130/0x130 [ 710.557930] ? mark_held_locks+0x130/0x130 [ 710.562158] ? lock_sock_nested+0x9a/0x120 [ 710.566395] ? __release_sock+0x3a0/0x3a0 [ 710.570545] ? __local_bh_enable_ip+0x160/0x260 [ 710.575222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.580764] __handle_mm_fault+0x3ea0/0x5be0 [ 710.585179] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 710.590039] ? apparmor_socket_sendmsg+0x29/0x30 [ 710.594793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.600334] ? security_socket_sendmsg+0x94/0xc0 [ 710.605094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.610645] ? zap_class+0x640/0x640 [ 710.614360] ? zap_class+0x640/0x640 [ 710.618075] ? __x64_sys_futex+0x53e/0x6a0 [ 710.622339] ? find_held_lock+0x36/0x1c0 [ 710.626410] ? handle_mm_fault+0x42a/0xc70 [ 710.630650] ? lock_downgrade+0x900/0x900 [ 710.634803] ? check_preemption_disabled+0x48/0x280 [ 710.639826] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.644759] ? kasan_check_read+0x11/0x20 [ 710.648908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.654187] ? rcu_softirq_qs+0x20/0x20 [ 710.658175] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.663302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.668841] ? check_preemption_disabled+0x48/0x280 [ 710.673882] handle_mm_fault+0x54f/0xc70 [ 710.677942] ? __handle_mm_fault+0x5be0/0x5be0 [ 710.682528] ? find_vma+0x34/0x190 [ 710.686079] __do_page_fault+0x5e8/0xe60 [ 710.690140] ? trace_hardirqs_off+0xb8/0x310 [ 710.694553] ? __ia32_sys_read+0xb0/0xb0 [ 710.698630] do_page_fault+0xf2/0x7e0 [ 710.702432] ? vmalloc_sync_all+0x30/0x30 [ 710.706597] ? error_entry+0x70/0xd0 [ 710.710355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.715388] ? trace_hardirqs_on_caller+0xc0/0x310 [ 710.720323] ? syscall_return_slowpath+0x5e0/0x5e0 [ 710.725252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.730093] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.735106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.740565] ? prepare_exit_to_usermode+0x291/0x3b0 [ 710.745595] ? page_fault+0x8/0x30 [ 710.749137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.753986] ? page_fault+0x8/0x30 [ 710.757531] page_fault+0x1e/0x30 [ 710.760990] RIP: 0033:0x45ddf3 [ 710.764196] Code: Bad RIP value. [ 710.767563] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 710.772926] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 710.780193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 710.787462] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 710.794726] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 710.801994] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 710.809298] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 710.809303] warn_alloc_show_mem: 1 callbacks suppressed [ 710.809310] Mem-Info: [ 710.816582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.816591] Call Trace: [ 710.821964] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 710.821964] active_file:13 inactive_file:14 isolated_file:0 [ 710.821964] unevictable:0 dirty:0 writeback:0 unstable:0 [ 710.821964] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 710.821964] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 710.821964] free:13773 free_pcp:174 free_cma:0 [ 710.824337] <IRQ> [ 710.833702] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 710.836285] dump_stack+0x244/0x39d [ 710.869235] 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 [ 710.871383] ? dump_stack_print_info.cold.1+0x20/0x20 [ 710.898852] lowmem_reserve[]: 0 2818 6321 6321 [ 710.902498] warn_alloc.cold.116+0xb7/0x1bd [ 710.928607] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 710.933807] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 710.938391] lowmem_reserve[]: 0 0 3503 3503 [ 710.942726] ? lock_downgrade+0x900/0x900 [ 710.970416] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 710.975281] ? trace_hardirqs_off+0xb8/0x310 [ 710.979576] lowmem_reserve[]: 0 0 0 0 [ 710.983720] ? trace_hardirqs_off+0xb8/0x310 [ 711.012593] 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 [ 711.017005] __alloc_pages_slowpath+0x2651/0x2de0 [ 711.020773] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 711.025197] ? warn_alloc+0x120/0x120 [ 711.038671] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 711.043507] ? print_usage_bug+0xc0/0xc0 [ 711.059439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.063225] ? warn_alloc+0x120/0x120 [ 711.076832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.080898] ? warn_alloc+0x120/0x120 [ 711.089706] 271 total pagecache pages [ 711.093497] ? print_usage_bug+0xc0/0xc0 [ 711.102074] 0 pages in swap cache [ 711.105865] ? kvm_clock_read+0x18/0x30 [ 711.109676] Swap cache stats: add 0, delete 0, find 0/0 [ 711.113725] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 711.117151] Free swap = 0kB [ 711.121122] ? print_usage_bug+0xc0/0xc0 [ 711.126461] Total swap = 0kB [ 711.131467] ? __lock_acquire+0x62f/0x4c20 [ 711.134462] 1965979 pages RAM [ 711.138517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.141513] 0 pages HighMem/MovableOnly [ 711.145767] ? should_fail+0x22d/0xd01 [ 711.148844] 342854 pages reserved [ 711.154376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.158323] 0 pages cma reserved [ 711.162202] ? __lock_acquire+0x62f/0x4c20 [ 711.165724] aoe: skb alloc failure [ 711.170744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.174148] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.178321] ? __lock_acquire+0x62f/0x4c20 [ 711.181838] syz-fuzzer cpuset=/ mems_allowed=0 [ 711.186931] ? should_fail+0x22d/0xd01 [ 711.209820] ? mark_held_locks+0x130/0x130 [ 711.214064] ? mark_held_locks+0x130/0x130 [ 711.218317] ? zap_class+0x640/0x640 [ 711.222032] ? print_usage_bug+0xc0/0xc0 [ 711.226101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.231642] ? check_preemption_disabled+0x48/0x280 [ 711.236669] ? __lock_is_held+0xb5/0x140 [ 711.240751] __alloc_pages_nodemask+0xad8/0xea0 [ 711.245439] ? zap_class+0x640/0x640 [ 711.249159] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 711.254188] ? find_held_lock+0x36/0x1c0 [ 711.258258] ? ____cache_alloc_node+0x1c7/0x1e0 [ 711.262970] ? lock_downgrade+0x900/0x900 [ 711.267126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.272665] cache_grow_begin+0xa5/0x8c0 [ 711.276756] ? do_raw_spin_unlock+0xa7/0x330 [ 711.281174] fallback_alloc+0x204/0x2e0 [ 711.285156] ____cache_alloc_node+0x1c7/0x1e0 [ 711.289655] kmem_cache_alloc_node+0xe3/0x730 [ 711.294157] ? ipv6_get_ifaddr+0x42e/0x620 [ 711.298427] __alloc_skb+0x119/0x770 [ 711.302158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.307439] ? netdev_alloc_frag+0x1f0/0x1f0 [ 711.311848] ? lock_downgrade+0x900/0x900 [ 711.316003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.321541] ? refcount_sub_and_test_checked+0x203/0x310 [ 711.326998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 711.332458] ? addrconf_rs_timer+0x690/0x690 [ 711.336896] ndisc_alloc_skb+0x144/0x340 [ 711.340964] ndisc_send_rs+0x331/0x6e0 [ 711.344863] addrconf_rs_timer+0x314/0x690 [ 711.349108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.353356] call_timer_fn+0x272/0x920 [ 711.357245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.361484] ? process_timeout+0x40/0x40 [ 711.365566] ? __run_timers+0x7da/0xc70 [ 711.369559] ? _raw_spin_unlock_irq+0x27/0x80 [ 711.374061] ? _raw_spin_unlock_irq+0x27/0x80 [ 711.378555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.382823] ? lockdep_hardirqs_on+0x296/0x5b0 [ 711.387411] ? trace_hardirqs_on+0xbd/0x310 [ 711.391738] ? kasan_check_read+0x11/0x20 [ 711.395888] ? __run_timers+0x7da/0xc70 [ 711.399861] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.404976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.409222] __run_timers+0x7e5/0xc70 [ 711.413030] ? timer_fixup_init+0x70/0x70 [ 711.417200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 711.422217] ? zap_class+0x640/0x640 [ 711.425937] ? enqueue_hrtimer+0x1a5/0x560 [ 711.430176] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 711.435377] ? find_held_lock+0x36/0x1c0 [ 711.439449] ? zap_class+0x640/0x640 [ 711.443168] ? pvclock_read_flags+0x160/0x160 [ 711.447712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.453248] ? check_preemption_disabled+0x48/0x280 [ 711.458314] ? __lock_is_held+0xb5/0x140 [ 711.462388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.467928] ? check_preemption_disabled+0x48/0x280 [ 711.472975] run_timer_softirq+0x52/0xb0 [ 711.477035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 711.482065] __do_softirq+0x308/0xb7e [ 711.485869] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 711.490362] ? lock_downgrade+0x900/0x900 [ 711.494515] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 711.499628] ? pvclock_read_flags+0x160/0x160 [ 711.504125] ? lapic_next_event+0x5a/0x90 [ 711.508298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.513844] ? kvm_clock_read+0x18/0x30 [ 711.517829] ? kvm_sched_clock_read+0x9/0x20 [ 711.522242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.527781] ? check_preemption_disabled+0x48/0x280 [ 711.532808] irq_exit+0x17f/0x1c0 [ 711.536265] smp_apic_timer_interrupt+0x1cb/0x760 [ 711.541118] ? smp_reschedule_interrupt+0x109/0x650 [ 711.546136] ? smp_call_function_single_interrupt+0x650/0x650 [ 711.552025] ? interrupt_entry+0xb5/0xc0 [ 711.556090] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.561104] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.566154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.571029] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.576072] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.581101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.585954] apic_timer_interrupt+0xf/0x20 [ 711.590192] </IRQ> [ 711.592450] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 711.598336] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 711.617234] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 711.624943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 711.632207] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 711.639475] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 711.646741] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 711.654033] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 711.661354] ? save_stack+0xa9/0xd0 [ 711.664993] __kmalloc_node_track_caller+0x3c/0x70 [ 711.669926] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 711.674687] pskb_expand_head+0x230/0x10f0 [ 711.678928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 711.684398] ? memcpy+0x45/0x50 [ 711.687691] ? __copy_skb_header+0x350/0x6b0 [ 711.692135] ? skb_release_data+0x880/0x880 [ 711.696572] ? __alloc_skb+0x770/0x770 [ 711.700484] ? __lock_is_held+0xb5/0x140 [ 711.704551] ? kasan_check_write+0x14/0x20 [ 711.708815] ? __skb_clone+0x6c7/0xa00 [ 711.712703] ? __copy_skb_header+0x6b0/0x6b0 [ 711.717112] ? kmem_cache_alloc+0x33a/0x730 [ 711.721442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.727017] skb_ensure_writable+0x3dd/0x640 [ 711.731459] ? skb_checksum_setup+0xaa0/0xaa0 [ 711.735974] ? preempt_notifier_register+0x200/0x200 [ 711.741075] ? __switch_to_asm+0x34/0x70 [ 711.745147] ? __switch_to_asm+0x34/0x70 [ 711.749204] ? __switch_to_asm+0x40/0x70 [ 711.753302] ? __switch_to_asm+0x34/0x70 [ 711.757364] ? __switch_to_asm+0x40/0x70 [ 711.761437] ? __switch_to_asm+0x40/0x70 [ 711.765494] ? __switch_to_asm+0x34/0x70 [ 711.769558] ? __switch_to_asm+0x34/0x70 [ 711.773650] ? __switch_to_asm+0x40/0x70 [ 711.777706] ? __switch_to_asm+0x34/0x70 [ 711.781771] bpf_clone_redirect+0x14a/0x490 [ 711.786105] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 711.791167] ? __sched_text_start+0x8/0x8 [ 711.795320] ? retint_kernel+0x2d/0x2d [ 711.799219] ? find_held_lock+0x36/0x1c0 [ 711.803314] ? lock_acquire+0x1ed/0x520 [ 711.807308] ? bpf_test_run+0x3cb/0x780 [ 711.811295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.816839] ? check_preemption_disabled+0x48/0x280 [ 711.821864] ? kasan_check_read+0x11/0x20 [ 711.826012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.831320] ? rcu_softirq_qs+0x20/0x20 [ 711.835322] ? preempt_schedule+0x4d/0x60 [ 711.839473] ? ___preempt_schedule+0x16/0x18 [ 711.843893] ? bpf_test_run+0x25d/0x780 [ 711.847882] ? netlink_diag_dump+0x2a0/0x2a0 [ 711.852300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.857837] ? bpf_test_init.isra.10+0x70/0x100 [ 711.862526] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 711.867301] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.872150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.877691] ? fput+0x130/0x1a0 [ 711.880973] ? __bpf_prog_get+0x9b/0x290 [ 711.885068] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.889911] ? bpf_prog_test_run+0x130/0x1a0 [ 711.894330] ? __x64_sys_bpf+0x3d8/0x520 [ 711.898393] ? bpf_prog_get+0x20/0x20 [ 711.902213] ? do_syscall_64+0x1b9/0x820 [ 711.906270] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.911655] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.916636] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.921666] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.926683] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 711.933359] ? __switch_to_asm+0x40/0x70 [ 711.937420] ? __switch_to_asm+0x34/0x70 [ 711.941490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.946343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.951737] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 711.951822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 711.958773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.958779] Call Trace: [ 711.958786] <IRQ> [ 711.958803] dump_stack+0x244/0x39d [ 711.958823] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.965555] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.974830] warn_alloc.cold.116+0xb7/0x1bd [ 711.977385] syz-executor3 cpuset=syz3 mems_allowed=0 [ 711.979530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 712.013007] ? lock_downgrade+0x900/0x900 [ 712.017169] ? trace_hardirqs_off+0xb8/0x310 [ 712.021630] ? trace_hardirqs_off+0xb8/0x310 [ 712.026048] __alloc_pages_slowpath+0x2651/0x2de0 [ 712.030919] ? warn_alloc+0x120/0x120 [ 712.034722] ? warn_alloc+0x120/0x120 [ 712.038542] ? warn_alloc+0x120/0x120 [ 712.042370] ? print_usage_bug+0xc0/0xc0 [ 712.046436] ? print_usage_bug+0xc0/0xc0 [ 712.050497] ? ktime_get+0x2c1/0x400 [ 712.054218] ? check_preemption_disabled+0x48/0x280 [ 712.059231] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 712.063735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.069313] ? should_fail+0x22d/0xd01 [ 712.073204] ? kasan_check_read+0x11/0x20 [ 712.077373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.082477] ? __lock_acquire+0x62f/0x4c20 [ 712.086718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.091816] ? should_fail+0x22d/0xd01 [ 712.095912] ? print_usage_bug+0xc0/0xc0 [ 712.099983] ? mark_held_locks+0x130/0x130 [ 712.104225] ? mark_held_locks+0x130/0x130 [ 712.108462] ? check_preemption_disabled+0x48/0x280 [ 712.113486] ? zap_class+0x640/0x640 [ 712.117235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 712.121995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.127536] ? check_preemption_disabled+0x48/0x280 [ 712.132572] ? __lock_is_held+0xb5/0x140 [ 712.136641] __alloc_pages_nodemask+0xad8/0xea0 [ 712.141316] ? zap_class+0x640/0x640 [ 712.145038] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 712.150101] ? find_held_lock+0x36/0x1c0 [ 712.154172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 712.158852] ? lock_downgrade+0x900/0x900 [ 712.163007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.168554] cache_grow_begin+0xa5/0x8c0 [ 712.172615] ? do_raw_spin_unlock+0xa7/0x330 [ 712.177033] fallback_alloc+0x204/0x2e0 [ 712.181011] ____cache_alloc_node+0x1c7/0x1e0 [ 712.185513] kmem_cache_alloc_node+0xe3/0x730 [ 712.190009] ? lockdep_hardirqs_on+0x296/0x5b0 [ 712.194629] __alloc_skb+0x119/0x770 [ 712.198343] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 712.203714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 712.208147] ? vprintk_default+0x28/0x30 [ 712.212208] ? vprintk_func+0x85/0x181 [ 712.216094] ? printk+0xa7/0xcf [ 712.219371] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 712.224141] new_skb+0x26/0x1c0 [ 712.227425] aoecmd_cfg+0x279/0x7f0 [ 712.231061] ? find_held_lock+0x36/0x1c0 [ 712.235129] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 712.239464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.245015] ? __lock_is_held+0xb5/0x140 [ 712.249103] discover_timer+0x50/0x60 [ 712.252916] call_timer_fn+0x272/0x920 [ 712.256802] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.261656] ? process_timeout+0x40/0x40 [ 712.265771] ? mark_held_locks+0xc7/0x130 [ 712.269930] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.274426] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.278933] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.283774] ? lockdep_hardirqs_on+0x296/0x5b0 [ 712.288359] ? trace_hardirqs_on+0xbd/0x310 [ 712.292678] ? kasan_check_read+0x11/0x20 [ 712.296825] ? __run_timers+0x7da/0xc70 [ 712.300802] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.305916] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 712.310757] __run_timers+0x7e5/0xc70 [ 712.314577] ? timer_fixup_init+0x70/0x70 [ 712.318732] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 712.323752] ? zap_class+0x640/0x640 [ 712.327483] ? print_usage_bug+0xc0/0xc0 [ 712.331556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 712.336777] ? find_held_lock+0x36/0x1c0 [ 712.340855] ? zap_class+0x640/0x640 [ 712.344598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.350135] ? check_preemption_disabled+0x48/0x280 [ 712.355162] ? __lock_is_held+0xb5/0x140 [ 712.359230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.364770] ? check_preemption_disabled+0x48/0x280 [ 712.369793] run_timer_softirq+0x52/0xb0 [ 712.373855] ? rcu_read_lock_sched_held+0x14f/0x180 [ 712.378879] __do_softirq+0x308/0xb7e [ 712.382683] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 712.387178] ? lock_downgrade+0x900/0x900 [ 712.391332] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 712.396445] ? pvclock_read_flags+0x160/0x160 [ 712.400941] ? lapic_next_event+0x5a/0x90 [ 712.405134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.410678] ? kvm_clock_read+0x18/0x30 [ 712.414654] ? kvm_sched_clock_read+0x9/0x20 [ 712.419063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.424609] ? check_preemption_disabled+0x48/0x280 [ 712.429633] irq_exit+0x17f/0x1c0 [ 712.433100] smp_apic_timer_interrupt+0x1cb/0x760 [ 712.437939] ? smp_call_function_single_interrupt+0x159/0x650 [ 712.443826] ? smp_call_function_single_interrupt+0x650/0x650 [ 712.449708] ? interrupt_entry+0xb5/0xc0 [ 712.453771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.458792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.463815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.468657] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.473694] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.478709] ? task_prio+0x50/0x50 [ 712.482252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.487797] ? check_preemption_disabled+0x48/0x280 [ 712.492820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.497683] apic_timer_interrupt+0xf/0x20 [ 712.501914] </IRQ> [ 712.504185] RIP: 0010:rcu_is_watching+0x0/0x30 [ 712.508772] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 712.527697] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 712.535424] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 712.542692] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 712.549957] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 712.557241] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 712.564508] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 712.571801] ? list_lru_count_one+0x253/0x450 [ 712.576303] ? list_lru_count_one+0x35d/0x450 [ 712.580805] ? list_lru_count_one+0x362/0x450 [ 712.585307] ? list_lru_isolate_move+0x3c0/0x3c0 [ 712.590066] ? shmem_free_inode+0xd0/0xd0 [ 712.594218] ? __lock_is_held+0xb5/0x140 [ 712.598296] super_cache_count+0x1b9/0x2e0 [ 712.602540] do_shrink_slab+0x1b1/0xd30 [ 712.606535] ? snapshot_refaults+0x290/0x290 [ 712.610953] ? lock_release+0xa00/0xa00 [ 712.614938] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 712.619878] ? down_read_trylock+0xda/0x140 [ 712.624201] ? shrink_slab+0x207/0x8c0 [ 712.628088] ? downgrade_write+0x270/0x270 [ 712.632333] shrink_slab+0x389/0x8c0 [ 712.636047] ? shrink_active_list+0x1f00/0x1f00 [ 712.640725] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 712.646353] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 712.651464] ? cgroup_procs_write_finish+0xf0/0xf0 [ 712.656398] ? find_held_lock+0x36/0x1c0 [ 712.660468] shrink_node+0x431/0x16b0 [ 712.664269] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 712.669589] ? shrink_node_memcg+0x18f0/0x18f0 [ 712.674194] ? kvm_clock_read+0x18/0x30 [ 712.678179] ? ktime_get+0x2c1/0x400 [ 712.681901] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 712.686423] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.692003] ? __cpuset_node_allowed+0x19b/0x660 [ 712.696764] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 712.702476] ? delayacct_end+0x5a/0x100 [ 712.706459] do_try_to_free_pages+0x3e7/0x1290 [ 712.711043] ? zap_class+0x640/0x640 [ 712.714779] ? shrink_node+0x16b0/0x16b0 [ 712.718841] ? __lock_is_held+0xb5/0x140 [ 712.722932] try_to_free_pages+0x4d0/0xb90 [ 712.727175] ? do_try_to_free_pages+0x1290/0x1290 [ 712.732036] ? lock_acquire+0x1ed/0x520 [ 712.736015] ? set_page_refcounted+0x280/0x280 [ 712.740605] ? lock_release+0xa00/0xa00 [ 712.744589] ? _raw_spin_unlock_irq+0x60/0x80 [ 712.749089] ? psi_memstall_enter+0x240/0x2b0 [ 712.753587] ? psi_memstall_tick+0x230/0x230 [ 712.758012] __alloc_pages_slowpath+0xa48/0x2de0 [ 712.762802] ? warn_alloc+0x120/0x120 [ 712.766603] ? mark_held_locks+0x130/0x130 [ 712.770843] ? find_get_entry+0xaae/0x1120 [ 712.775091] ? filemap_map_pages+0x1a20/0x1a20 [ 712.779679] ? zap_class+0x640/0x640 [ 712.783399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.788941] ? check_preemption_disabled+0x48/0x280 [ 712.793957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.799495] ? should_fail+0x22d/0xd01 [ 712.803391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.808495] ? zap_class+0x640/0x640 [ 712.812252] ? __lock_is_held+0xb5/0x140 [ 712.816325] ? mark_held_locks+0x130/0x130 [ 712.820567] ? lock_release+0xa00/0xa00 [ 712.824543] ? perf_trace_sched_process_exec+0x860/0x860 [ 712.829996] ? xa_load+0x2ba/0x460 [ 712.833539] ? lock_downgrade+0x900/0x900 [ 712.837709] ? __might_sleep+0x95/0x190 [ 712.841688] __alloc_pages_nodemask+0xad8/0xea0 [ 712.846367] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 712.851386] ? __page_cache_alloc+0x191/0x5c0 [ 712.855876] ? xa_load+0x2e1/0x460 [ 712.859430] ? xa_clear_mark+0x40/0x40 [ 712.863335] ? zap_class+0x640/0x640 [ 712.867075] ? zap_class+0x640/0x640 [ 712.870801] ? zap_class+0x640/0x640 [ 712.874517] ? __do_page_cache_readahead+0x663/0x810 [ 712.879631] ? find_held_lock+0x36/0x1c0 [ 712.883707] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 712.889251] alloc_pages_current+0x173/0x350 [ 712.893682] __page_cache_alloc+0x38c/0x5c0 [ 712.897999] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.902928] ? kasan_check_read+0x11/0x20 [ 712.907101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.912383] ? generic_perform_write+0x6a0/0x6a0 [ 712.917146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.922684] ? check_preemption_disabled+0x48/0x280 [ 712.927719] filemap_fault+0x1595/0x25f0 [ 712.931804] ? __lock_page_or_retry+0xa00/0xa00 [ 712.936482] ? mark_held_locks+0x130/0x130 [ 712.940732] ? filemap_map_pages+0xd6b/0x1a20 [ 712.945232] ? lock_downgrade+0x900/0x900 [ 712.949383] ? check_preemption_disabled+0x48/0x280 [ 712.954402] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.959332] ? kasan_check_read+0x11/0x20 [ 712.963477] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.968755] ? rcu_softirq_qs+0x20/0x20 [ 712.972743] ? filemap_map_pages+0xd92/0x1a20 [ 712.977251] ? find_get_entries_tag+0x1400/0x1400 [ 712.982102] ? debug_object_destroy+0x2b0/0x2b0 [ 712.986772] ? lock_pi_update_atomic+0x150/0x150 [ 712.991530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.997088] ? lock_acquire+0x1ed/0x520 [ 713.001061] ? ext4_filemap_fault+0x7a/0xad [ 713.005389] ? lock_release+0xa00/0xa00 [ 713.009365] ? perf_trace_sched_process_exec+0x860/0x860 [ 713.014815] ? print_usage_bug+0xc0/0xc0 [ 713.018882] ? print_usage_bug+0xc0/0xc0 [ 713.022956] ? down_read+0x8d/0x120 [ 713.026583] ? ext4_filemap_fault+0x7a/0xad [ 713.030906] ? __down_interruptible+0x700/0x700 [ 713.035586] ext4_filemap_fault+0x82/0xad [ 713.039737] __do_fault+0x100/0x6b0 [ 713.043365] ? release_sock+0x1ec/0x2c0 [ 713.047341] ? pmd_devmap_trans_unstable+0x220/0x220 [ 713.052449] ? mark_held_locks+0x130/0x130 [ 713.056690] ? mark_held_locks+0x130/0x130 [ 713.060920] ? lock_sock_nested+0x9a/0x120 [ 713.065159] ? __release_sock+0x3a0/0x3a0 [ 713.069313] ? __local_bh_enable_ip+0x160/0x260 [ 713.073986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.079528] __handle_mm_fault+0x3ea0/0x5be0 [ 713.083948] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 713.088794] ? apparmor_socket_sendmsg+0x29/0x30 [ 713.093558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.099101] ? security_socket_sendmsg+0x94/0xc0 [ 713.103863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.109417] ? zap_class+0x640/0x640 [ 713.113133] ? zap_class+0x640/0x640 [ 713.116846] ? __x64_sys_futex+0x53e/0x6a0 [ 713.121087] ? find_held_lock+0x36/0x1c0 [ 713.125159] ? handle_mm_fault+0x42a/0xc70 [ 713.129404] ? lock_downgrade+0x900/0x900 [ 713.133734] ? check_preemption_disabled+0x48/0x280 [ 713.138759] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 713.143694] ? kasan_check_read+0x11/0x20 [ 713.147841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.153118] ? rcu_softirq_qs+0x20/0x20 [ 713.157108] ? trace_hardirqs_off_caller+0x310/0x310 [ 713.162214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.167770] ? check_preemption_disabled+0x48/0x280 [ 713.172793] handle_mm_fault+0x54f/0xc70 [ 713.176864] ? __handle_mm_fault+0x5be0/0x5be0 [ 713.181452] ? find_vma+0x34/0x190 [ 713.184998] __do_page_fault+0x5e8/0xe60 [ 713.189059] ? trace_hardirqs_off+0xb8/0x310 [ 713.193471] ? __ia32_sys_read+0xb0/0xb0 [ 713.197547] do_page_fault+0xf2/0x7e0 [ 713.201360] ? vmalloc_sync_all+0x30/0x30 [ 713.205509] ? error_entry+0x70/0xd0 [ 713.209269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.214315] ? trace_hardirqs_on_caller+0xc0/0x310 [ 713.219259] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.224238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.229083] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.234098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.239562] ? prepare_exit_to_usermode+0x291/0x3b0 [ 713.244610] ? page_fault+0x8/0x30 [ 713.248154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.253051] ? page_fault+0x8/0x30 [ 713.256590] page_fault+0x1e/0x30 [ 713.260484] RIP: 0033:0x45ddf3 [ 713.263689] Code: Bad RIP value. [ 713.267049] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 713.272409] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 713.279674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 713.286983] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 713.294299] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 713.301568] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 713.308863] warn_alloc_show_mem: 1 callbacks suppressed [ 713.308875] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 713.308877] Mem-Info: [ 713.308908] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 713.308908] active_file:13 inactive_file:14 isolated_file:0 [ 713.308908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 713.308908] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 713.308908] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 713.308908] free:13773 free_pcp:174 free_cma:0 [ 713.314247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.321522] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 713.323924] Call Trace: [ 713.356876] 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 [ 713.366219] <IRQ> [ 713.393786] lowmem_reserve[]: 0 2818 6321 6321 [ 713.396398] dump_stack+0x244/0x39d [ 713.422478] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 713.424630] ? dump_stack_print_info.cold.1+0x20/0x20 [ 713.429181] lowmem_reserve[]: 0 0 3503 3503 [ 713.432816] warn_alloc.cold.116+0xb7/0x1bd [ 713.460278] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 713.465468] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.469762] lowmem_reserve[]: 0 0 0 0 [ 713.474088] ? lock_downgrade+0x900/0x900 [ 713.502952] 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 [ 713.507801] ? trace_hardirqs_off+0xb8/0x310 [ 713.511569] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 713.515714] ? trace_hardirqs_off+0xb8/0x310 [ 713.529212] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 713.533628] __alloc_pages_slowpath+0x2651/0x2de0 [ 713.549564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 713.553994] ? warn_alloc+0x120/0x120 [ 713.567561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 713.572385] ? print_usage_bug+0xc0/0xc0 [ 713.581210] 271 total pagecache pages [ 713.585005] ? warn_alloc+0x120/0x120 [ 713.593566] 0 pages in swap cache [ 713.597627] ? warn_alloc+0x120/0x120 [ 713.601421] Swap cache stats: add 0, delete 0, find 0/0 [ 713.605239] ? print_usage_bug+0xc0/0xc0 [ 713.608666] Free swap = 0kB [ 713.612462] ? kvm_clock_read+0x18/0x30 [ 713.617797] Total swap = 0kB [ 713.621853] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 713.624847] 1965979 pages RAM [ 713.628814] ? print_usage_bug+0xc0/0xc0 [ 713.631821] 0 pages HighMem/MovableOnly [ 713.636833] ? __lock_acquire+0x62f/0x4c20 [ 713.639916] 342854 pages reserved [ 713.643973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.647919] 0 pages cma reserved [ 713.652150] ? should_fail+0x22d/0xd01 [ 713.655635] aoe: skb alloc failure [ 713.661097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.661115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.664557] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.668370] ? __lock_acquire+0x62f/0x4c20 [ 713.671890] syz-fuzzer cpuset=/ mems_allowed=0 [ 713.677155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.706337] ? __lock_acquire+0x62f/0x4c20 [ 713.710571] ? should_fail+0x22d/0xd01 [ 713.714457] ? rcu_irq_exit+0x1a2/0x390 [ 713.718441] ? mark_held_locks+0x130/0x130 [ 713.722680] ? mark_held_locks+0x130/0x130 [ 713.726937] ? mark_held_locks+0xc7/0x130 [ 713.731084] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 713.736096] ? zap_class+0x640/0x640 [ 713.739806] ? print_usage_bug+0xc0/0xc0 [ 713.743878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.749415] ? check_preemption_disabled+0x48/0x280 [ 713.754443] ? __lock_is_held+0xb5/0x140 [ 713.758514] __alloc_pages_nodemask+0xad8/0xea0 [ 713.763196] ? zap_class+0x640/0x640 [ 713.766916] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 713.771950] ? find_held_lock+0x36/0x1c0 [ 713.776020] ? ____cache_alloc_node+0x1c7/0x1e0 [ 713.780696] ? lock_downgrade+0x900/0x900 [ 713.784867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.790408] cache_grow_begin+0xa5/0x8c0 [ 713.794469] ? do_raw_spin_unlock+0xa7/0x330 [ 713.798890] fallback_alloc+0x204/0x2e0 [ 713.802870] ____cache_alloc_node+0x1c7/0x1e0 [ 713.807375] kmem_cache_alloc_node+0xe3/0x730 [ 713.811870] ? ipv6_get_ifaddr+0x42e/0x620 [ 713.816117] __alloc_skb+0x119/0x770 [ 713.819836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.825135] ? netdev_alloc_frag+0x1f0/0x1f0 [ 713.829546] ? lock_downgrade+0x900/0x900 [ 713.833702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.839236] ? refcount_sub_and_test_checked+0x203/0x310 [ 713.844699] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 713.850147] ? addrconf_rs_timer+0x690/0x690 [ 713.854593] ndisc_alloc_skb+0x144/0x340 [ 713.858689] ndisc_send_rs+0x331/0x6e0 [ 713.862613] addrconf_rs_timer+0x314/0x690 [ 713.866856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.871096] call_timer_fn+0x272/0x920 [ 713.874981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.879214] ? process_timeout+0x40/0x40 [ 713.883303] ? __run_timers+0x7da/0xc70 [ 713.887304] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.891829] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.896335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.900575] ? lockdep_hardirqs_on+0x296/0x5b0 [ 713.905160] ? trace_hardirqs_on+0xbd/0x310 [ 713.909482] ? kasan_check_read+0x11/0x20 [ 713.913632] ? __run_timers+0x7da/0xc70 [ 713.917609] ? trace_hardirqs_off_caller+0x310/0x310 [ 713.922735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.926977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.931213] __run_timers+0x7e5/0xc70 [ 713.935023] ? timer_fixup_init+0x70/0x70 [ 713.939207] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 713.944227] ? zap_class+0x640/0x640 [ 713.947945] ? enqueue_hrtimer+0x1a5/0x560 [ 713.952185] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 713.957382] ? find_held_lock+0x36/0x1c0 [ 713.961449] ? zap_class+0x640/0x640 [ 713.965322] ? pvclock_read_flags+0x160/0x160 [ 713.969825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.975365] ? check_preemption_disabled+0x48/0x280 [ 713.980393] ? __lock_is_held+0xb5/0x140 [ 713.984456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.990000] ? check_preemption_disabled+0x48/0x280 [ 713.995022] run_timer_softirq+0x52/0xb0 [ 713.999090] ? rcu_read_lock_sched_held+0x14f/0x180 [ 714.004143] __do_softirq+0x308/0xb7e [ 714.007952] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 714.012480] ? lock_downgrade+0x900/0x900 [ 714.016631] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 714.021746] ? pvclock_read_flags+0x160/0x160 [ 714.026245] ? lapic_next_event+0x5a/0x90 [ 714.030394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.035938] ? kvm_clock_read+0x18/0x30 [ 714.039913] ? kvm_sched_clock_read+0x9/0x20 [ 714.044331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.049868] ? check_preemption_disabled+0x48/0x280 [ 714.054896] irq_exit+0x17f/0x1c0 [ 714.058354] smp_apic_timer_interrupt+0x1cb/0x760 [ 714.063199] ? smp_reschedule_interrupt+0x109/0x650 [ 714.068216] ? smp_call_function_single_interrupt+0x650/0x650 [ 714.074101] ? interrupt_entry+0xb5/0xc0 [ 714.078167] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.083181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.088196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.093058] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.098541] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.103573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.108430] apic_timer_interrupt+0xf/0x20 [ 714.112684] </IRQ> [ 714.114946] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 714.120859] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 714.139759] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 714.147470] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 714.154739] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 714.162024] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 714.169301] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 714.176573] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 714.183878] ? save_stack+0xa9/0xd0 [ 714.187519] __kmalloc_node_track_caller+0x3c/0x70 [ 714.192455] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 714.197215] pskb_expand_head+0x230/0x10f0 [ 714.201454] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.206904] ? memcpy+0x45/0x50 [ 714.210187] ? __copy_skb_header+0x350/0x6b0 [ 714.214614] ? skb_release_data+0x880/0x880 [ 714.218936] ? __alloc_skb+0x770/0x770 [ 714.222834] ? __lock_is_held+0xb5/0x140 [ 714.226905] ? kasan_check_write+0x14/0x20 [ 714.231140] ? __skb_clone+0x6c7/0xa00 [ 714.235030] ? __copy_skb_header+0x6b0/0x6b0 [ 714.239439] ? kmem_cache_alloc+0x33a/0x730 [ 714.243773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.249337] skb_ensure_writable+0x3dd/0x640 [ 714.253750] ? skb_checksum_setup+0xaa0/0xaa0 [ 714.258248] ? preempt_notifier_register+0x200/0x200 [ 714.263351] ? __switch_to_asm+0x34/0x70 [ 714.267415] ? __switch_to_asm+0x34/0x70 [ 714.271470] ? __switch_to_asm+0x40/0x70 [ 714.275526] ? __switch_to_asm+0x34/0x70 [ 714.279583] ? __switch_to_asm+0x40/0x70 [ 714.283645] ? __switch_to_asm+0x40/0x70 [ 714.287720] ? __switch_to_asm+0x34/0x70 [ 714.291825] ? __switch_to_asm+0x34/0x70 [ 714.295886] ? __switch_to_asm+0x40/0x70 [ 714.299942] ? __switch_to_asm+0x34/0x70 [ 714.304034] bpf_clone_redirect+0x14a/0x490 [ 714.308373] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 714.313403] ? __sched_text_start+0x8/0x8 [ 714.317552] ? retint_kernel+0x2d/0x2d [ 714.321466] ? find_held_lock+0x36/0x1c0 [ 714.325538] ? lock_acquire+0x1ed/0x520 [ 714.329517] ? bpf_test_run+0x3cb/0x780 [ 714.333494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.339034] ? check_preemption_disabled+0x48/0x280 [ 714.344098] ? kasan_check_read+0x11/0x20 [ 714.348253] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 714.353531] ? rcu_softirq_qs+0x20/0x20 [ 714.357515] ? preempt_schedule+0x4d/0x60 [ 714.361684] ? ___preempt_schedule+0x16/0x18 [ 714.366104] ? bpf_test_run+0x25d/0x780 [ 714.370095] ? netlink_diag_dump+0x2a0/0x2a0 [ 714.374507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.380088] ? bpf_test_init.isra.10+0x70/0x100 [ 714.384781] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 714.389565] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 714.394427] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.399966] ? fput+0x130/0x1a0 [ 714.403253] ? __bpf_prog_get+0x9b/0x290 [ 714.407357] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 714.412200] ? bpf_prog_test_run+0x130/0x1a0 [ 714.416631] ? __x64_sys_bpf+0x3d8/0x520 [ 714.420693] ? bpf_prog_get+0x20/0x20 [ 714.424516] ? do_syscall_64+0x1b9/0x820 [ 714.428580] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 714.433951] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.438891] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.443913] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 714.448929] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 714.455595] ? __switch_to_asm+0x40/0x70 [ 714.459656] ? __switch_to_asm+0x34/0x70 [ 714.463723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.468576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.473969] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 714.474033] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 714.481008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.481017] Call Trace: [ 714.487686] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 714.496853] <IRQ> [ 714.499430] syz-executor3 cpuset=syz3 mems_allowed=0 [ 714.509909] dump_stack+0x244/0x39d [ 714.520755] ? dump_stack_print_info.cold.1+0x20/0x20 [ 714.526007] warn_alloc.cold.116+0xb7/0x1bd [ 714.530350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.535200] ? lock_downgrade+0x900/0x900 [ 714.539368] ? trace_hardirqs_off+0xb8/0x310 [ 714.543786] ? trace_hardirqs_off+0xb8/0x310 [ 714.548209] __alloc_pages_slowpath+0x2651/0x2de0 [ 714.553088] ? warn_alloc+0x120/0x120 [ 714.556896] ? warn_alloc+0x120/0x120 [ 714.560700] ? warn_alloc+0x120/0x120 [ 714.564502] ? print_usage_bug+0xc0/0xc0 [ 714.568574] ? print_usage_bug+0xc0/0xc0 [ 714.572648] ? ktime_get+0x2c1/0x400 [ 714.576390] ? check_preemption_disabled+0x48/0x280 [ 714.581404] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 714.585934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.591503] ? should_fail+0x22d/0xd01 [ 714.595393] ? kasan_check_read+0x11/0x20 [ 714.599548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.604661] ? __lock_acquire+0x62f/0x4c20 [ 714.608904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.614034] ? should_fail+0x22d/0xd01 [ 714.617918] ? print_usage_bug+0xc0/0xc0 [ 714.622005] ? mark_held_locks+0x130/0x130 [ 714.626245] ? mark_held_locks+0x130/0x130 [ 714.630487] ? check_preemption_disabled+0x48/0x280 [ 714.635513] ? zap_class+0x640/0x640 [ 714.639232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.643989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.649529] ? check_preemption_disabled+0x48/0x280 [ 714.654585] ? __lock_is_held+0xb5/0x140 [ 714.658658] __alloc_pages_nodemask+0xad8/0xea0 [ 714.663331] ? zap_class+0x640/0x640 [ 714.667063] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 714.672099] ? find_held_lock+0x36/0x1c0 [ 714.676187] ? ____cache_alloc_node+0x1c7/0x1e0 [ 714.680857] ? lock_downgrade+0x900/0x900 [ 714.685015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.690593] cache_grow_begin+0xa5/0x8c0 [ 714.694655] ? do_raw_spin_unlock+0xa7/0x330 [ 714.699070] fallback_alloc+0x204/0x2e0 [ 714.703053] ____cache_alloc_node+0x1c7/0x1e0 [ 714.707564] kmem_cache_alloc_node+0xe3/0x730 [ 714.712057] ? lockdep_hardirqs_on+0x296/0x5b0 [ 714.716649] __alloc_skb+0x119/0x770 [ 714.720366] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 714.725733] ? netdev_alloc_frag+0x1f0/0x1f0 [ 714.730150] ? vprintk_default+0x28/0x30 [ 714.734210] ? vprintk_func+0x85/0x181 [ 714.738096] ? printk+0xa7/0xcf [ 714.741372] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 714.746140] new_skb+0x26/0x1c0 [ 714.749465] aoecmd_cfg+0x279/0x7f0 [ 714.753106] ? find_held_lock+0x36/0x1c0 [ 714.757181] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 714.761854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.767402] ? __lock_is_held+0xb5/0x140 [ 714.771474] discover_timer+0x50/0x60 [ 714.775272] call_timer_fn+0x272/0x920 [ 714.779179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.784053] ? process_timeout+0x40/0x40 [ 714.788120] ? mark_held_locks+0xc7/0x130 [ 714.792271] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.796773] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.801268] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.806122] ? lockdep_hardirqs_on+0x296/0x5b0 [ 714.810710] ? trace_hardirqs_on+0xbd/0x310 [ 714.815035] ? kasan_check_read+0x11/0x20 [ 714.819184] ? __run_timers+0x7da/0xc70 [ 714.823163] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.828284] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 714.833138] __run_timers+0x7e5/0xc70 [ 714.836948] ? timer_fixup_init+0x70/0x70 [ 714.841102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 714.846119] ? zap_class+0x640/0x640 [ 714.849837] ? print_usage_bug+0xc0/0xc0 [ 714.853900] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 714.859097] ? find_held_lock+0x36/0x1c0 [ 714.863164] ? zap_class+0x640/0x640 [ 714.866889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.872427] ? check_preemption_disabled+0x48/0x280 [ 714.877455] ? __lock_is_held+0xb5/0x140 [ 714.881520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.887063] ? check_preemption_disabled+0x48/0x280 [ 714.892090] run_timer_softirq+0x52/0xb0 [ 714.896156] ? rcu_read_lock_sched_held+0x14f/0x180 [ 714.901176] __do_softirq+0x308/0xb7e [ 714.904984] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 714.909479] ? lock_downgrade+0x900/0x900 [ 714.913634] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 714.918747] ? pvclock_read_flags+0x160/0x160 [ 714.923249] ? lapic_next_event+0x5a/0x90 [ 714.927402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.932948] ? kvm_clock_read+0x18/0x30 [ 714.936924] ? kvm_sched_clock_read+0x9/0x20 [ 714.941339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.946879] ? check_preemption_disabled+0x48/0x280 [ 714.951906] irq_exit+0x17f/0x1c0 [ 714.955365] smp_apic_timer_interrupt+0x1cb/0x760 [ 714.960209] ? smp_call_function_single_interrupt+0x159/0x650 [ 714.966093] ? smp_call_function_single_interrupt+0x650/0x650 [ 714.971978] ? interrupt_entry+0xb5/0xc0 [ 714.976054] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.981102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.986122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.990967] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.995984] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.001033] ? task_prio+0x50/0x50 [ 715.004582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.010122] ? check_preemption_disabled+0x48/0x280 [ 715.015159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.020011] apic_timer_interrupt+0xf/0x20 [ 715.024237] </IRQ> [ 715.026487] RIP: 0010:rcu_is_watching+0x0/0x30 [ 715.031096] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 715.050254] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 715.057968] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 715.065234] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 715.072501] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 715.079772] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 715.087040] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 715.094348] ? list_lru_count_one+0x253/0x450 [ 715.098846] ? list_lru_count_one+0x35d/0x450 [ 715.103353] ? list_lru_count_one+0x362/0x450 [ 715.107870] ? list_lru_isolate_move+0x3c0/0x3c0 [ 715.112627] ? shmem_free_inode+0xd0/0xd0 [ 715.116808] ? __lock_is_held+0xb5/0x140 [ 715.120872] super_cache_count+0x1b9/0x2e0 [ 715.125108] do_shrink_slab+0x1b1/0xd30 [ 715.129092] ? snapshot_refaults+0x290/0x290 [ 715.133502] ? lock_release+0xa00/0xa00 [ 715.137486] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 715.142431] ? down_read_trylock+0xda/0x140 [ 715.147271] ? shrink_slab+0x207/0x8c0 [ 715.151168] ? downgrade_write+0x270/0x270 [ 715.155413] shrink_slab+0x389/0x8c0 [ 715.159130] ? shrink_active_list+0x1f00/0x1f00 [ 715.163807] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 715.169472] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 715.174599] ? cgroup_procs_write_finish+0xf0/0xf0 [ 715.179537] ? find_held_lock+0x36/0x1c0 [ 715.183615] shrink_node+0x431/0x16b0 [ 715.187433] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 715.192739] ? shrink_node_memcg+0x18f0/0x18f0 [ 715.197333] ? kvm_clock_read+0x18/0x30 [ 715.201319] ? ktime_get+0x2c1/0x400 [ 715.205037] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 715.209539] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.215085] ? __cpuset_node_allowed+0x19b/0x660 [ 715.219849] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 715.225571] ? delayacct_end+0x5a/0x100 [ 715.229562] do_try_to_free_pages+0x3e7/0x1290 [ 715.234146] ? zap_class+0x640/0x640 [ 715.237875] ? shrink_node+0x16b0/0x16b0 [ 715.241943] ? __lock_is_held+0xb5/0x140 [ 715.246033] try_to_free_pages+0x4d0/0xb90 [ 715.250278] ? do_try_to_free_pages+0x1290/0x1290 [ 715.255158] ? lock_acquire+0x1ed/0x520 [ 715.259131] ? set_page_refcounted+0x280/0x280 [ 715.263733] ? lock_release+0xa00/0xa00 [ 715.267706] ? _raw_spin_unlock_irq+0x60/0x80 [ 715.272194] ? psi_memstall_enter+0x240/0x2b0 [ 715.276687] ? psi_memstall_tick+0x230/0x230 [ 715.281104] __alloc_pages_slowpath+0xa48/0x2de0 [ 715.285891] ? warn_alloc+0x120/0x120 [ 715.289690] ? mark_held_locks+0x130/0x130 [ 715.293933] ? find_get_entry+0xaae/0x1120 [ 715.298179] ? filemap_map_pages+0x1a20/0x1a20 [ 715.302765] ? zap_class+0x640/0x640 [ 715.306485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.312027] ? check_preemption_disabled+0x48/0x280 [ 715.317047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.322585] ? should_fail+0x22d/0xd01 [ 715.326476] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.331588] ? zap_class+0x640/0x640 [ 715.335340] ? __lock_is_held+0xb5/0x140 [ 715.339414] ? mark_held_locks+0x130/0x130 [ 715.343652] ? lock_release+0xa00/0xa00 [ 715.347634] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.353085] ? xa_load+0x2ba/0x460 [ 715.356628] ? lock_downgrade+0x900/0x900 [ 715.360785] ? __might_sleep+0x95/0x190 [ 715.364768] __alloc_pages_nodemask+0xad8/0xea0 [ 715.369445] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 715.374479] ? __page_cache_alloc+0x191/0x5c0 [ 715.378970] ? xa_load+0x2e1/0x460 [ 715.382512] ? xa_clear_mark+0x40/0x40 [ 715.386403] ? zap_class+0x640/0x640 [ 715.390128] ? zap_class+0x640/0x640 [ 715.393842] ? zap_class+0x640/0x640 [ 715.397574] ? __do_page_cache_readahead+0x663/0x810 [ 715.402682] ? find_held_lock+0x36/0x1c0 [ 715.406752] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 715.412305] alloc_pages_current+0x173/0x350 [ 715.416723] __page_cache_alloc+0x38c/0x5c0 [ 715.421044] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.425984] ? kasan_check_read+0x11/0x20 [ 715.430134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.435444] ? generic_perform_write+0x6a0/0x6a0 [ 715.440209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.445764] ? check_preemption_disabled+0x48/0x280 [ 715.450794] filemap_fault+0x1595/0x25f0 [ 715.454872] ? __lock_page_or_retry+0xa00/0xa00 [ 715.459544] ? mark_held_locks+0x130/0x130 [ 715.463797] ? filemap_map_pages+0xd6b/0x1a20 [ 715.468335] ? lock_downgrade+0x900/0x900 [ 715.472511] ? check_preemption_disabled+0x48/0x280 [ 715.477530] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.482468] ? kasan_check_read+0x11/0x20 [ 715.486614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.491889] ? rcu_softirq_qs+0x20/0x20 [ 715.495889] ? filemap_map_pages+0xd92/0x1a20 [ 715.500399] ? find_get_entries_tag+0x1400/0x1400 [ 715.505249] ? debug_object_destroy+0x2b0/0x2b0 [ 715.509921] ? lock_pi_update_atomic+0x150/0x150 [ 715.514679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.520407] ? lock_acquire+0x1ed/0x520 [ 715.524381] ? ext4_filemap_fault+0x7a/0xad [ 715.528744] ? lock_release+0xa00/0xa00 [ 715.532731] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.538183] ? print_usage_bug+0xc0/0xc0 [ 715.542245] ? print_usage_bug+0xc0/0xc0 [ 715.546362] ? down_read+0x8d/0x120 [ 715.549991] ? ext4_filemap_fault+0x7a/0xad [ 715.554323] ? __down_interruptible+0x700/0x700 [ 715.559005] ext4_filemap_fault+0x82/0xad [ 715.563168] __do_fault+0x100/0x6b0 [ 715.566795] ? release_sock+0x1ec/0x2c0 [ 715.570773] ? pmd_devmap_trans_unstable+0x220/0x220 [ 715.575880] ? mark_held_locks+0x130/0x130 [ 715.580116] ? mark_held_locks+0x130/0x130 [ 715.584350] ? lock_sock_nested+0x9a/0x120 [ 715.588587] ? __release_sock+0x3a0/0x3a0 [ 715.592738] ? __local_bh_enable_ip+0x160/0x260 [ 715.597413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.602955] __handle_mm_fault+0x3ea0/0x5be0 [ 715.607400] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 715.612241] ? apparmor_socket_sendmsg+0x29/0x30 [ 715.617022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.622580] ? security_socket_sendmsg+0x94/0xc0 [ 715.627351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.632906] ? zap_class+0x640/0x640 [ 715.636621] ? zap_class+0x640/0x640 [ 715.640354] ? __x64_sys_futex+0x53e/0x6a0 [ 715.644592] ? find_held_lock+0x36/0x1c0 [ 715.648661] ? handle_mm_fault+0x42a/0xc70 [ 715.652897] ? lock_downgrade+0x900/0x900 [ 715.657044] ? check_preemption_disabled+0x48/0x280 [ 715.662080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.667016] ? kasan_check_read+0x11/0x20 [ 715.671183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.676476] ? rcu_softirq_qs+0x20/0x20 [ 715.680456] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.685568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.691110] ? check_preemption_disabled+0x48/0x280 [ 715.696139] handle_mm_fault+0x54f/0xc70 [ 715.700207] ? __handle_mm_fault+0x5be0/0x5be0 [ 715.704796] ? find_vma+0x34/0x190 [ 715.708342] __do_page_fault+0x5e8/0xe60 [ 715.712406] ? trace_hardirqs_off+0xb8/0x310 [ 715.716829] ? __ia32_sys_read+0xb0/0xb0 [ 715.720900] do_page_fault+0xf2/0x7e0 [ 715.724705] ? vmalloc_sync_all+0x30/0x30 [ 715.728854] ? error_entry+0x70/0xd0 [ 715.732571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 715.737585] ? trace_hardirqs_on_caller+0xc0/0x310 [ 715.742516] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.747445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.752321] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.757351] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 715.762819] ? prepare_exit_to_usermode+0x291/0x3b0 [ 715.767839] ? page_fault+0x8/0x30 [ 715.771382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.776245] ? page_fault+0x8/0x30 [ 715.779782] page_fault+0x1e/0x30 [ 715.783250] RIP: 0033:0x45ddf3 [ 715.786457] Code: Bad RIP value. [ 715.789818] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 715.795182] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 715.802464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 715.809729] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 715.816993] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 715.824257] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 715.831570] warn_alloc_show_mem: 1 callbacks suppressed [ 715.831582] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 715.831583] Mem-Info: [ 715.831613] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 715.831613] active_file:13 inactive_file:14 isolated_file:0 [ 715.831613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.831613] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 715.831613] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 715.831613] free:13773 free_pcp:174 free_cma:0 [ 715.836954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.844231] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 715.846630] Call Trace: [ 715.879583] 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 [ 715.888926] <IRQ> [ 715.916398] lowmem_reserve[]: 0 2818 6321 6321 [ 715.918991] dump_stack+0x244/0x39d [ 715.945089] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 715.947258] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.951813] lowmem_reserve[]: 0 0 3503 3503 [ 715.955449] warn_alloc.cold.116+0xb7/0x1bd [ 715.983201] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 715.988407] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.992696] lowmem_reserve[]: 0 0 0 0 [ 715.997014] ? lock_downgrade+0x900/0x900 [ 716.025879] 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 [ 716.030723] ? trace_hardirqs_off+0xb8/0x310 [ 716.034497] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 716.038638] ? trace_hardirqs_off+0xb8/0x310 [ 716.052135] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 716.056544] __alloc_pages_slowpath+0x2651/0x2de0 [ 716.072479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.076898] ? warn_alloc+0x120/0x120 [ 716.090468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.095765] ? print_usage_bug+0xc0/0xc0 [ 716.104584] 271 total pagecache pages [ 716.108379] ? warn_alloc+0x120/0x120 [ 716.116942] 0 pages in swap cache [ 716.120996] ? warn_alloc+0x120/0x120 [ 716.124774] Swap cache stats: add 0, delete 0, find 0/0 [ 716.128568] ? print_usage_bug+0xc0/0xc0 [ 716.131998] Free swap = 0kB [ 716.135791] ? kvm_clock_read+0x18/0x30 [ 716.141127] Total swap = 0kB [ 716.145183] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 716.148181] 1965979 pages RAM [ 716.152146] ? print_usage_bug+0xc0/0xc0 [ 716.155149] 0 pages HighMem/MovableOnly [ 716.160161] ? __lock_acquire+0x62f/0x4c20 [ 716.163273] 342854 pages reserved [ 716.167337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.171286] 0 pages cma reserved [ 716.175536] ? should_fail+0x22d/0xd01 [ 716.179021] aoe: skb alloc failure [ 716.184490] ? __lock_acquire+0x62f/0x4c20 [ 716.184507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.184524] ? __lock_acquire+0x62f/0x4c20 [ 716.187922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 716.191766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.195283] syz-fuzzer cpuset=/ mems_allowed=0 [ 716.199511] ? __lock_acquire+0x62f/0x4c20 [ 716.199541] ? should_fail+0x22d/0xd01 [ 716.236830] ? mark_held_locks+0x130/0x130 [ 716.241075] ? mark_held_locks+0x130/0x130 [ 716.245337] ? mark_held_locks+0xc7/0x130 [ 716.249486] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 716.254519] ? zap_class+0x640/0x640 [ 716.258233] ? print_usage_bug+0xc0/0xc0 [ 716.262331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.267879] ? check_preemption_disabled+0x48/0x280 [ 716.272906] ? __lock_is_held+0xb5/0x140 [ 716.276978] __alloc_pages_nodemask+0xad8/0xea0 [ 716.281651] ? zap_class+0x640/0x640 [ 716.285369] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 716.290394] ? find_held_lock+0x36/0x1c0 [ 716.294480] ? ____cache_alloc_node+0x1c7/0x1e0 [ 716.299183] ? lock_downgrade+0x900/0x900 [ 716.303338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.308969] cache_grow_begin+0xa5/0x8c0 [ 716.313029] ? do_raw_spin_unlock+0xa7/0x330 [ 716.317481] fallback_alloc+0x204/0x2e0 [ 716.321463] ____cache_alloc_node+0x1c7/0x1e0 [ 716.325966] kmem_cache_alloc_node+0xe3/0x730 [ 716.330462] ? ipv6_get_ifaddr+0x42e/0x620 [ 716.334727] __alloc_skb+0x119/0x770 [ 716.338439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.343740] ? netdev_alloc_frag+0x1f0/0x1f0 [ 716.348150] ? lock_downgrade+0x900/0x900 [ 716.352315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.357873] ? refcount_sub_and_test_checked+0x203/0x310 [ 716.363328] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 716.368784] ? addrconf_rs_timer+0x690/0x690 [ 716.373204] ndisc_alloc_skb+0x144/0x340 [ 716.377271] ndisc_send_rs+0x331/0x6e0 [ 716.381173] addrconf_rs_timer+0x314/0x690 [ 716.385413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.389661] call_timer_fn+0x272/0x920 [ 716.393549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.397784] ? process_timeout+0x40/0x40 [ 716.401857] ? __run_timers+0x7da/0xc70 [ 716.405833] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.410344] ? _raw_spin_unlock_irq+0x27/0x80 [ 716.414855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.419093] ? lockdep_hardirqs_on+0x296/0x5b0 [ 716.423681] ? trace_hardirqs_on+0xbd/0x310 [ 716.428006] ? kasan_check_read+0x11/0x20 [ 716.432151] ? __run_timers+0x7da/0xc70 [ 716.436123] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.441238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.445474] __run_timers+0x7e5/0xc70 [ 716.449287] ? timer_fixup_init+0x70/0x70 [ 716.453447] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 716.458464] ? zap_class+0x640/0x640 [ 716.462180] ? enqueue_hrtimer+0x1a5/0x560 [ 716.466419] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 716.471619] ? find_held_lock+0x36/0x1c0 [ 716.475683] ? zap_class+0x640/0x640 [ 716.479416] ? pvclock_read_flags+0x160/0x160 [ 716.483918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.489475] ? check_preemption_disabled+0x48/0x280 [ 716.494506] ? __lock_is_held+0xb5/0x140 [ 716.498570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.504113] ? check_preemption_disabled+0x48/0x280 [ 716.509152] run_timer_softirq+0x52/0xb0 [ 716.513214] ? rcu_read_lock_sched_held+0x14f/0x180 [ 716.518233] __do_softirq+0x308/0xb7e [ 716.522047] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 716.526546] ? lock_downgrade+0x900/0x900 [ 716.530703] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 716.535817] ? pvclock_read_flags+0x160/0x160 [ 716.540319] ? lapic_next_event+0x5a/0x90 [ 716.544474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.550020] ? kvm_clock_read+0x18/0x30 [ 716.553997] ? kvm_sched_clock_read+0x9/0x20 [ 716.558408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.563948] ? check_preemption_disabled+0x48/0x280 [ 716.568973] irq_exit+0x17f/0x1c0 [ 716.572429] smp_apic_timer_interrupt+0x1cb/0x760 [ 716.577275] ? smp_reschedule_interrupt+0x109/0x650 [ 716.582314] ? smp_call_function_single_interrupt+0x650/0x650 [ 716.588214] ? interrupt_entry+0xb5/0xc0 [ 716.592300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.597356] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.602374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.607232] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.612252] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.617283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.622143] apic_timer_interrupt+0xf/0x20 [ 716.626373] </IRQ> [ 716.628614] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 716.634504] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 716.653417] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 716.661122] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 716.668392] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 716.675660] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 716.682929] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 716.690193] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 716.697493] ? save_stack+0xa9/0xd0 [ 716.701132] __kmalloc_node_track_caller+0x3c/0x70 [ 716.706074] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 716.710842] pskb_expand_head+0x230/0x10f0 [ 716.715109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 716.720563] ? memcpy+0x45/0x50 [ 716.723862] ? __copy_skb_header+0x350/0x6b0 [ 716.728271] ? skb_release_data+0x880/0x880 [ 716.732603] ? __alloc_skb+0x770/0x770 [ 716.736501] ? __lock_is_held+0xb5/0x140 [ 716.740567] ? kasan_check_write+0x14/0x20 [ 716.744802] ? __skb_clone+0x6c7/0xa00 [ 716.748691] ? __copy_skb_header+0x6b0/0x6b0 [ 716.753126] ? kmem_cache_alloc+0x33a/0x730 [ 716.757448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.763004] skb_ensure_writable+0x3dd/0x640 [ 716.767449] ? skb_checksum_setup+0xaa0/0xaa0 [ 716.771950] ? preempt_notifier_register+0x200/0x200 [ 716.777058] ? __switch_to_asm+0x34/0x70 [ 716.781130] ? __switch_to_asm+0x34/0x70 [ 716.785189] ? __switch_to_asm+0x40/0x70 [ 716.789245] ? __switch_to_asm+0x34/0x70 [ 716.793328] ? __switch_to_asm+0x40/0x70 [ 716.797405] ? __switch_to_asm+0x40/0x70 [ 716.801465] ? __switch_to_asm+0x34/0x70 [ 716.805551] ? __switch_to_asm+0x34/0x70 [ 716.809614] ? __switch_to_asm+0x40/0x70 [ 716.813675] ? __switch_to_asm+0x34/0x70 [ 716.817744] bpf_clone_redirect+0x14a/0x490 [ 716.822086] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 716.827137] ? __sched_text_start+0x8/0x8 [ 716.831285] ? retint_kernel+0x2d/0x2d [ 716.835192] ? find_held_lock+0x36/0x1c0 [ 716.839259] ? lock_acquire+0x1ed/0x520 [ 716.843243] ? bpf_test_run+0x3cb/0x780 [ 716.847235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.852784] ? check_preemption_disabled+0x48/0x280 [ 716.857809] ? kasan_check_read+0x11/0x20 [ 716.861955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.867243] ? rcu_softirq_qs+0x20/0x20 [ 716.871256] ? preempt_schedule+0x4d/0x60 [ 716.875412] ? ___preempt_schedule+0x16/0x18 [ 716.879830] ? bpf_test_run+0x25d/0x780 [ 716.883821] ? netlink_diag_dump+0x2a0/0x2a0 [ 716.888233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.893774] ? bpf_test_init.isra.10+0x70/0x100 [ 716.898453] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 716.903237] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 716.908078] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 716.913613] ? fput+0x130/0x1a0 [ 716.916913] ? __bpf_prog_get+0x9b/0x290 [ 716.920994] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 716.925842] ? bpf_prog_test_run+0x130/0x1a0 [ 716.930272] ? __x64_sys_bpf+0x3d8/0x520 [ 716.934358] ? bpf_prog_get+0x20/0x20 [ 716.938210] ? do_syscall_64+0x1b9/0x820 [ 716.942795] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 716.948163] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.953097] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.958113] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 716.963143] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 716.969830] ? __switch_to_asm+0x40/0x70 [ 716.973908] ? __switch_to_asm+0x34/0x70 [ 716.977982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.982835] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.988218] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 716.988287] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 716.995235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.995240] Call Trace: [ 716.995246] <IRQ> [ 716.995262] dump_stack+0x244/0x39d [ 716.995280] ? dump_stack_print_info.cold.1+0x20/0x20 [ 717.001811] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 717.011111] warn_alloc.cold.116+0xb7/0x1bd [ 717.013664] syz-executor3 cpuset=syz3 mems_allowed=0 [ 717.015819] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.049325] ? lock_downgrade+0x900/0x900 [ 717.053487] ? trace_hardirqs_off+0xb8/0x310 [ 717.057914] ? trace_hardirqs_off+0xb8/0x310 [ 717.062333] __alloc_pages_slowpath+0x2651/0x2de0 [ 717.067204] ? warn_alloc+0x120/0x120 [ 717.071011] ? warn_alloc+0x120/0x120 [ 717.074830] ? __lock_acquire+0x62f/0x4c20 [ 717.079064] ? warn_alloc+0x120/0x120 [ 717.082898] ? print_usage_bug+0xc0/0xc0 [ 717.086981] ? print_usage_bug+0xc0/0xc0 [ 717.091061] ? mark_held_locks+0x130/0x130 [ 717.095312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.100854] ? should_fail+0x22d/0xd01 [ 717.104740] ? zap_class+0x640/0x640 [ 717.108462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.113586] ? __lock_acquire+0x62f/0x4c20 [ 717.117854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.122958] ? should_fail+0x22d/0xd01 [ 717.126875] ? mark_held_locks+0x130/0x130 [ 717.131130] ? mark_held_locks+0x130/0x130 [ 717.135393] ? lock_downgrade+0x900/0x900 [ 717.139564] ? zap_class+0x640/0x640 [ 717.143282] ? zap_class+0x640/0x640 [ 717.147019] ? zap_class+0x640/0x640 [ 717.150733] ? do_raw_spin_unlock+0xa7/0x330 [ 717.155146] ? trace_hardirqs_on+0x310/0x310 [ 717.159562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.165101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.170637] ? check_preemption_disabled+0x48/0x280 [ 717.175664] ? __lock_is_held+0xb5/0x140 [ 717.179732] __alloc_pages_nodemask+0xad8/0xea0 [ 717.184419] ? zap_class+0x640/0x640 [ 717.188137] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 717.193169] ? find_held_lock+0x36/0x1c0 [ 717.197242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 717.201915] ? lock_downgrade+0x900/0x900 [ 717.206088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.211647] cache_grow_begin+0xa5/0x8c0 [ 717.215708] ? do_raw_spin_unlock+0xa7/0x330 [ 717.220122] fallback_alloc+0x204/0x2e0 [ 717.224104] ____cache_alloc_node+0x1c7/0x1e0 [ 717.228611] kmem_cache_alloc_node+0xe3/0x730 [ 717.233106] ? lockdep_hardirqs_on+0x296/0x5b0 [ 717.237699] __alloc_skb+0x119/0x770 [ 717.241415] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 717.246811] ? netdev_alloc_frag+0x1f0/0x1f0 [ 717.251260] ? vprintk_default+0x28/0x30 [ 717.255329] ? vprintk_func+0x85/0x181 [ 717.259216] ? printk+0xa7/0xcf [ 717.262494] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 717.267263] new_skb+0x26/0x1c0 [ 717.270561] aoecmd_cfg+0x279/0x7f0 [ 717.274192] ? find_held_lock+0x36/0x1c0 [ 717.278285] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 717.282639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.288202] ? __lock_is_held+0xb5/0x140 [ 717.292281] discover_timer+0x50/0x60 [ 717.296088] call_timer_fn+0x272/0x920 [ 717.299974] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 717.304815] ? process_timeout+0x40/0x40 [ 717.308891] ? mark_held_locks+0xc7/0x130 [ 717.313041] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.317557] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.322051] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 717.326893] ? lockdep_hardirqs_on+0x296/0x5b0 [ 717.331477] ? trace_hardirqs_on+0xbd/0x310 [ 717.335798] ? kasan_check_read+0x11/0x20 [ 717.339945] ? __run_timers+0x7da/0xc70 [ 717.343924] ? trace_hardirqs_off_caller+0x310/0x310 [ 717.349042] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 717.353886] __run_timers+0x7e5/0xc70 [ 717.357707] ? timer_fixup_init+0x70/0x70 [ 717.361887] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 717.366907] ? zap_class+0x640/0x640 [ 717.370628] ? print_usage_bug+0xc0/0xc0 [ 717.374692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 717.379891] ? find_held_lock+0x36/0x1c0 [ 717.383962] ? zap_class+0x640/0x640 [ 717.387680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.393231] ? check_preemption_disabled+0x48/0x280 [ 717.398271] ? __lock_is_held+0xb5/0x140 [ 717.402349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.407885] ? check_preemption_disabled+0x48/0x280 [ 717.412905] run_timer_softirq+0x52/0xb0 [ 717.416966] ? rcu_read_lock_sched_held+0x14f/0x180 [ 717.421983] __do_softirq+0x308/0xb7e [ 717.425791] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 717.430284] ? lock_downgrade+0x900/0x900 [ 717.434451] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 717.439571] ? pvclock_read_flags+0x160/0x160 [ 717.444070] ? lapic_next_event+0x5a/0x90 [ 717.448224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.453766] ? kvm_clock_read+0x18/0x30 [ 717.457743] ? kvm_sched_clock_read+0x9/0x20 [ 717.462156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.467710] ? check_preemption_disabled+0x48/0x280 [ 717.472998] irq_exit+0x17f/0x1c0 [ 717.476453] smp_apic_timer_interrupt+0x1cb/0x760 [ 717.481303] ? smp_call_function_single_interrupt+0x159/0x650 [ 717.487193] ? smp_call_function_single_interrupt+0x650/0x650 [ 717.493079] ? interrupt_entry+0xb5/0xc0 [ 717.497143] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.502161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.507179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.512021] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.517038] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.522052] ? task_prio+0x50/0x50 [ 717.525616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.531178] ? check_preemption_disabled+0x48/0x280 [ 717.536202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.541054] apic_timer_interrupt+0xf/0x20 [ 717.545284] </IRQ> [ 717.547532] RIP: 0010:rcu_is_watching+0x0/0x30 [ 717.552118] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 717.571018] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 717.578728] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 717.585993] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 717.593265] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 717.600538] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 717.607812] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 717.615140] ? list_lru_count_one+0x253/0x450 [ 717.619636] ? list_lru_count_one+0x35d/0x450 [ 717.624143] ? list_lru_count_one+0x362/0x450 [ 717.628639] ? list_lru_isolate_move+0x3c0/0x3c0 [ 717.633414] ? shmem_free_inode+0xd0/0xd0 [ 717.637570] ? __lock_is_held+0xb5/0x140 [ 717.641640] super_cache_count+0x1b9/0x2e0 [ 717.645880] do_shrink_slab+0x1b1/0xd30 [ 717.649868] ? snapshot_refaults+0x290/0x290 [ 717.654281] ? lock_release+0xa00/0xa00 [ 717.658273] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 717.663225] ? down_read_trylock+0xda/0x140 [ 717.667542] ? shrink_slab+0x207/0x8c0 [ 717.671452] ? downgrade_write+0x270/0x270 [ 717.675711] shrink_slab+0x389/0x8c0 [ 717.679423] ? shrink_active_list+0x1f00/0x1f00 [ 717.684104] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 717.689771] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 717.694887] ? cgroup_procs_write_finish+0xf0/0xf0 [ 717.699825] ? find_held_lock+0x36/0x1c0 [ 717.703912] shrink_node+0x431/0x16b0 [ 717.707732] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 717.713034] ? shrink_node_memcg+0x18f0/0x18f0 [ 717.717641] ? kvm_clock_read+0x18/0x30 [ 717.721618] ? ktime_get+0x2c1/0x400 [ 717.725342] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 717.729840] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.735382] ? __cpuset_node_allowed+0x19b/0x660 [ 717.740140] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 717.745857] ? delayacct_end+0x5a/0x100 [ 717.749846] do_try_to_free_pages+0x3e7/0x1290 [ 717.754433] ? zap_class+0x640/0x640 [ 717.758163] ? shrink_node+0x16b0/0x16b0 [ 717.762229] ? __lock_is_held+0xb5/0x140 [ 717.766312] try_to_free_pages+0x4d0/0xb90 [ 717.770558] ? do_try_to_free_pages+0x1290/0x1290 [ 717.775413] ? lock_acquire+0x1ed/0x520 [ 717.779386] ? set_page_refcounted+0x280/0x280 [ 717.783979] ? lock_release+0xa00/0xa00 [ 717.787958] ? _raw_spin_unlock_irq+0x60/0x80 [ 717.792457] ? psi_memstall_enter+0x240/0x2b0 [ 717.796952] ? psi_memstall_tick+0x230/0x230 [ 717.801377] __alloc_pages_slowpath+0xa48/0x2de0 [ 717.806164] ? warn_alloc+0x120/0x120 [ 717.809966] ? mark_held_locks+0x130/0x130 [ 717.814211] ? find_get_entry+0xaae/0x1120 [ 717.818455] ? filemap_map_pages+0x1a20/0x1a20 [ 717.823042] ? zap_class+0x640/0x640 [ 717.826764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.832311] ? check_preemption_disabled+0x48/0x280 [ 717.837336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.842873] ? should_fail+0x22d/0xd01 [ 717.846771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.851876] ? zap_class+0x640/0x640 [ 717.855617] ? __lock_is_held+0xb5/0x140 [ 717.859947] ? mark_held_locks+0x130/0x130 [ 717.864279] ? lock_release+0xa00/0xa00 [ 717.868263] ? perf_trace_sched_process_exec+0x860/0x860 [ 717.873717] ? xa_load+0x2ba/0x460 [ 717.877257] ? lock_downgrade+0x900/0x900 [ 717.881416] ? __might_sleep+0x95/0x190 [ 717.885438] __alloc_pages_nodemask+0xad8/0xea0 [ 717.890119] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 717.895140] ? __page_cache_alloc+0x191/0x5c0 [ 717.899647] ? xa_load+0x2e1/0x460 [ 717.903185] ? xa_clear_mark+0x40/0x40 [ 717.907103] ? zap_class+0x640/0x640 [ 717.910824] ? zap_class+0x640/0x640 [ 717.914540] ? zap_class+0x640/0x640 [ 717.918264] ? __do_page_cache_readahead+0x663/0x810 [ 717.923379] ? find_held_lock+0x36/0x1c0 [ 717.927448] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 717.933000] alloc_pages_current+0x173/0x350 [ 717.937434] __page_cache_alloc+0x38c/0x5c0 [ 717.941758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.946687] ? kasan_check_read+0x11/0x20 [ 717.950837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.956117] ? generic_perform_write+0x6a0/0x6a0 [ 717.960879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.966611] ? check_preemption_disabled+0x48/0x280 [ 717.971638] filemap_fault+0x1595/0x25f0 [ 717.975720] ? __lock_page_or_retry+0xa00/0xa00 [ 717.980409] ? mark_held_locks+0x130/0x130 [ 717.984669] ? filemap_map_pages+0xd6b/0x1a20 [ 717.989168] ? lock_downgrade+0x900/0x900 [ 717.993330] ? check_preemption_disabled+0x48/0x280 [ 717.998348] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 718.003276] ? kasan_check_read+0x11/0x20 [ 718.007432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.012711] ? rcu_softirq_qs+0x20/0x20 [ 718.016704] ? filemap_map_pages+0xd92/0x1a20 [ 718.021227] ? find_get_entries_tag+0x1400/0x1400 [ 718.026088] ? debug_object_destroy+0x2b0/0x2b0 [ 718.030759] ? lock_pi_update_atomic+0x150/0x150 [ 718.035518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.041100] ? lock_acquire+0x1ed/0x520 [ 718.045075] ? ext4_filemap_fault+0x7a/0xad [ 718.049408] ? lock_release+0xa00/0xa00 [ 718.053384] ? perf_trace_sched_process_exec+0x860/0x860 [ 718.058836] ? print_usage_bug+0xc0/0xc0 [ 718.062899] ? print_usage_bug+0xc0/0xc0 [ 718.066975] ? down_read+0x8d/0x120 [ 718.070602] ? ext4_filemap_fault+0x7a/0xad [ 718.074926] ? __down_interruptible+0x700/0x700 [ 718.079603] ext4_filemap_fault+0x82/0xad [ 718.083758] __do_fault+0x100/0x6b0 [ 718.087383] ? release_sock+0x1ec/0x2c0 [ 718.091361] ? pmd_devmap_trans_unstable+0x220/0x220 [ 718.096616] ? mark_held_locks+0x130/0x130 [ 718.100864] ? mark_held_locks+0x130/0x130 [ 718.105096] ? lock_sock_nested+0x9a/0x120 [ 718.109344] ? __release_sock+0x3a0/0x3a0 [ 718.113492] ? __local_bh_enable_ip+0x160/0x260 [ 718.118164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.123705] __handle_mm_fault+0x3ea0/0x5be0 [ 718.128134] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 718.132972] ? apparmor_socket_sendmsg+0x29/0x30 [ 718.137771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.143331] ? security_socket_sendmsg+0x94/0xc0 [ 718.148102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.153649] ? zap_class+0x640/0x640 [ 718.157363] ? zap_class+0x640/0x640 [ 718.161090] ? __x64_sys_futex+0x53e/0x6a0 [ 718.165334] ? find_held_lock+0x36/0x1c0 [ 718.169410] ? handle_mm_fault+0x42a/0xc70 [ 718.173645] ? lock_downgrade+0x900/0x900 [ 718.177811] ? check_preemption_disabled+0x48/0x280 [ 718.182857] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 718.187791] ? kasan_check_read+0x11/0x20 [ 718.191935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.197214] ? rcu_softirq_qs+0x20/0x20 [ 718.201189] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.206300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.211895] ? check_preemption_disabled+0x48/0x280 [ 718.216918] handle_mm_fault+0x54f/0xc70 [ 718.220984] ? __handle_mm_fault+0x5be0/0x5be0 [ 718.225577] ? find_vma+0x34/0x190 [ 718.229138] __do_page_fault+0x5e8/0xe60 [ 718.233197] ? trace_hardirqs_off+0xb8/0x310 [ 718.237607] ? __ia32_sys_read+0xb0/0xb0 [ 718.241696] do_page_fault+0xf2/0x7e0 [ 718.245493] ? vmalloc_sync_all+0x30/0x30 [ 718.249670] ? error_entry+0x70/0xd0 [ 718.253387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.258404] ? trace_hardirqs_on_caller+0xc0/0x310 [ 718.263338] ? syscall_return_slowpath+0x5e0/0x5e0 [ 718.268266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.273146] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.278157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 718.283644] ? prepare_exit_to_usermode+0x291/0x3b0 [ 718.288687] ? page_fault+0x8/0x30 [ 718.292229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.297074] ? page_fault+0x8/0x30 [ 718.300620] page_fault+0x1e/0x30 [ 718.304069] RIP: 0033:0x45ddf3 [ 718.307310] Code: Bad RIP value. [ 718.310675] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 718.316033] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 718.323324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 718.330609] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 718.337875] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 718.345139] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 718.352469] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 718.352488] warn_alloc_show_mem: 1 callbacks suppressed [ 718.352492] Mem-Info: [ 718.359748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.359756] Call Trace: [ 718.365125] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 718.365125] active_file:13 inactive_file:14 isolated_file:0 [ 718.365125] unevictable:0 dirty:0 writeback:0 unstable:0 [ 718.365125] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 718.365125] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 718.365125] free:13773 free_pcp:174 free_cma:0 [ 718.367512] <IRQ> [ 718.376872] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 718.379460] dump_stack+0x244/0x39d [ 718.412401] 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 [ 718.414555] ? dump_stack_print_info.cold.1+0x20/0x20 [ 718.442039] lowmem_reserve[]: 0 2818 6321 6321 [ 718.445708] warn_alloc.cold.116+0xb7/0x1bd [ 718.471795] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 718.476982] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 718.481540] lowmem_reserve[]: 0 0 3503 3503 [ 718.485872] ? lock_downgrade+0x900/0x900 [ 718.513344] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 718.518190] ? trace_hardirqs_off+0xb8/0x310 [ 718.522479] lowmem_reserve[]: 0 0 0 0 [ 718.526628] ? trace_hardirqs_off+0xb8/0x310 [ 718.555587] 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 [ 718.559995] __alloc_pages_slowpath+0x2651/0x2de0 [ 718.563778] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 718.568201] ? warn_alloc+0x120/0x120 [ 718.581676] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 718.586515] ? print_usage_bug+0xc0/0xc0 [ 718.602452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 718.606240] ? warn_alloc+0x120/0x120 [ 718.619828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 718.623879] ? warn_alloc+0x120/0x120 [ 718.632690] 271 total pagecache pages [ 718.636483] ? print_usage_bug+0xc0/0xc0 [ 718.645038] 0 pages in swap cache [ 718.648826] ? print_usage_bug+0xc0/0xc0 [ 718.652610] Swap cache stats: add 0, delete 0, find 0/0 [ 718.656659] ? __lock_acquire+0x62f/0x4c20 [ 718.660105] Free swap = 0kB [ 718.664157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.669491] Total swap = 0kB [ 718.673721] ? should_fail+0x22d/0xd01 [ 718.676711] 1965979 pages RAM [ 718.682243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.685237] 0 pages HighMem/MovableOnly [ 718.689116] ? __lock_acquire+0x62f/0x4c20 [ 718.692195] 342854 pages reserved [ 718.697305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.701252] 0 pages cma reserved [ 718.705480] ? __lock_acquire+0x62f/0x4c20 [ 718.708967] aoe: skb alloc failure [ 718.713997] ? should_fail+0x22d/0xd01 [ 718.714011] ? find_held_lock+0x36/0x1c0 [ 718.714033] ? mark_held_locks+0x130/0x130 [ 718.717411] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 718.721605] ? mark_held_locks+0x130/0x130 [ 718.725121] syz-fuzzer cpuset=/ mems_allowed=0 [ 718.728998] ? zap_class+0x640/0x640 [ 718.759968] ? zap_class+0x640/0x640 [ 718.763687] ? print_usage_bug+0xc0/0xc0 [ 718.767764] ? do_raw_spin_unlock+0xa7/0x330 [ 718.772175] ? zap_class+0x640/0x640 [ 718.775886] ? print_usage_bug+0xc0/0xc0 [ 718.779945] ? wq_watchdog_touch+0x9c/0xfe [ 718.784214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.789769] ? check_preemption_disabled+0x48/0x280 [ 718.794798] ? __lock_is_held+0xb5/0x140 [ 718.798869] __alloc_pages_nodemask+0xad8/0xea0 [ 718.803543] ? zap_class+0x640/0x640 [ 718.807263] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 718.812323] ? find_held_lock+0x36/0x1c0 [ 718.816407] ? ____cache_alloc_node+0x1c7/0x1e0 [ 718.821076] ? lock_downgrade+0x900/0x900 [ 718.825233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.830773] cache_grow_begin+0xa5/0x8c0 [ 718.834836] ? do_raw_spin_unlock+0xa7/0x330 [ 718.839256] fallback_alloc+0x204/0x2e0 [ 718.843241] ____cache_alloc_node+0x1c7/0x1e0 [ 718.847755] kmem_cache_alloc_node+0xe3/0x730 [ 718.852255] ? ipv6_get_ifaddr+0x42e/0x620 [ 718.856520] __alloc_skb+0x119/0x770 [ 718.860251] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.865535] ? netdev_alloc_frag+0x1f0/0x1f0 [ 718.869949] ? lock_downgrade+0x900/0x900 [ 718.874102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.879639] ? refcount_sub_and_test_checked+0x203/0x310 [ 718.885092] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 718.890560] ? addrconf_rs_timer+0x690/0x690 [ 718.895013] ndisc_alloc_skb+0x144/0x340 [ 718.899084] ndisc_send_rs+0x331/0x6e0 [ 718.902977] addrconf_rs_timer+0x314/0x690 [ 718.907222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.911482] call_timer_fn+0x272/0x920 [ 718.915366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.919602] ? process_timeout+0x40/0x40 [ 718.923674] ? __run_timers+0x7da/0xc70 [ 718.927651] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.932145] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.936636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.940874] ? lockdep_hardirqs_on+0x296/0x5b0 [ 718.945456] ? trace_hardirqs_on+0xbd/0x310 [ 718.949779] ? kasan_check_read+0x11/0x20 [ 718.953929] ? __run_timers+0x7da/0xc70 [ 718.957919] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.963028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.967272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.971515] __run_timers+0x7e5/0xc70 [ 718.975332] ? timer_fixup_init+0x70/0x70 [ 718.979506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 718.984539] ? zap_class+0x640/0x640 [ 718.988259] ? enqueue_hrtimer+0x1a5/0x560 [ 718.992499] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 718.997710] ? find_held_lock+0x36/0x1c0 [ 719.001775] ? zap_class+0x640/0x640 [ 719.005498] ? pvclock_read_flags+0x160/0x160 [ 719.009999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.015543] ? check_preemption_disabled+0x48/0x280 [ 719.020566] ? __lock_is_held+0xb5/0x140 [ 719.024627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.030167] ? check_preemption_disabled+0x48/0x280 [ 719.035208] run_timer_softirq+0x52/0xb0 [ 719.039271] ? rcu_read_lock_sched_held+0x14f/0x180 [ 719.044296] __do_softirq+0x308/0xb7e [ 719.048103] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 719.052603] ? lock_downgrade+0x900/0x900 [ 719.056752] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 719.061859] ? pvclock_read_flags+0x160/0x160 [ 719.066371] ? lapic_next_event+0x5a/0x90 [ 719.070518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.076066] ? kvm_clock_read+0x18/0x30 [ 719.080043] ? kvm_sched_clock_read+0x9/0x20 [ 719.084461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.090172] ? check_preemption_disabled+0x48/0x280 [ 719.095196] irq_exit+0x17f/0x1c0 [ 719.098676] smp_apic_timer_interrupt+0x1cb/0x760 [ 719.103513] ? smp_reschedule_interrupt+0x109/0x650 [ 719.108523] ? smp_call_function_single_interrupt+0x650/0x650 [ 719.114579] ? interrupt_entry+0xb5/0xc0 [ 719.118644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.123654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.128685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.133555] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.138570] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.143599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.148451] apic_timer_interrupt+0xf/0x20 [ 719.152691] </IRQ> [ 719.154932] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 719.160818] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 719.179728] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 719.187480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 719.194744] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 719.202011] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 719.209278] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 719.216550] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 719.223843] ? save_stack+0xa9/0xd0 [ 719.227478] __kmalloc_node_track_caller+0x3c/0x70 [ 719.232412] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 719.237175] pskb_expand_head+0x230/0x10f0 [ 719.241425] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.246877] ? memcpy+0x45/0x50 [ 719.250173] ? __copy_skb_header+0x350/0x6b0 [ 719.254587] ? skb_release_data+0x880/0x880 [ 719.258908] ? __alloc_skb+0x770/0x770 [ 719.262823] ? __lock_is_held+0xb5/0x140 [ 719.266893] ? kasan_check_write+0x14/0x20 [ 719.271133] ? __skb_clone+0x6c7/0xa00 [ 719.275018] ? __copy_skb_header+0x6b0/0x6b0 [ 719.279421] ? kmem_cache_alloc+0x33a/0x730 [ 719.283748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.289311] skb_ensure_writable+0x3dd/0x640 [ 719.293720] ? skb_checksum_setup+0xaa0/0xaa0 [ 719.298228] ? preempt_notifier_register+0x200/0x200 [ 719.303324] ? __switch_to_asm+0x34/0x70 [ 719.307379] ? __switch_to_asm+0x34/0x70 [ 719.311441] ? __switch_to_asm+0x40/0x70 [ 719.315500] ? __switch_to_asm+0x34/0x70 [ 719.319558] ? __switch_to_asm+0x40/0x70 [ 719.323617] ? __switch_to_asm+0x40/0x70 [ 719.327693] ? __switch_to_asm+0x34/0x70 [ 719.331766] ? __switch_to_asm+0x34/0x70 [ 719.335852] ? __switch_to_asm+0x40/0x70 [ 719.339911] ? __switch_to_asm+0x34/0x70 [ 719.344021] bpf_clone_redirect+0x14a/0x490 [ 719.348356] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 719.353376] ? __sched_text_start+0x8/0x8 [ 719.357519] ? retint_kernel+0x2d/0x2d [ 719.361411] ? find_held_lock+0x36/0x1c0 [ 719.365478] ? lock_acquire+0x1ed/0x520 [ 719.369467] ? bpf_test_run+0x3cb/0x780 [ 719.373437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.378978] ? check_preemption_disabled+0x48/0x280 [ 719.383998] ? kasan_check_read+0x11/0x20 [ 719.388143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.393429] ? rcu_softirq_qs+0x20/0x20 [ 719.397416] ? preempt_schedule+0x4d/0x60 [ 719.401564] ? ___preempt_schedule+0x16/0x18 [ 719.405979] ? bpf_test_run+0x25d/0x780 [ 719.409966] ? netlink_diag_dump+0x2a0/0x2a0 [ 719.414379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.419917] ? bpf_test_init.isra.10+0x70/0x100 [ 719.424597] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 719.429362] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 719.434201] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.439737] ? fput+0x130/0x1a0 [ 719.443020] ? __bpf_prog_get+0x9b/0x290 [ 719.447105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 719.451963] ? bpf_prog_test_run+0x130/0x1a0 [ 719.456374] ? __x64_sys_bpf+0x3d8/0x520 [ 719.460450] ? bpf_prog_get+0x20/0x20 [ 719.464307] ? do_syscall_64+0x1b9/0x820 [ 719.468385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 719.473787] ? syscall_return_slowpath+0x5e0/0x5e0 [ 719.478722] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.483737] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 719.488775] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 719.495480] ? __switch_to_asm+0x40/0x70 [ 719.499541] ? __switch_to_asm+0x34/0x70 [ 719.503605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.508452] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.513862] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 719.513972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 719.520886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.520895] Call Trace: [ 719.527843] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.537124] <IRQ> [ 719.539689] syz-executor3 cpuset=syz3 mems_allowed=0 [ 719.550164] dump_stack+0x244/0x39d [ 719.560996] ? dump_stack_print_info.cold.1+0x20/0x20 [ 719.566195] warn_alloc.cold.116+0xb7/0x1bd [ 719.570511] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.575351] ? lock_downgrade+0x900/0x900 [ 719.579501] ? trace_hardirqs_off+0xb8/0x310 [ 719.583913] ? trace_hardirqs_off+0xb8/0x310 [ 719.588348] __alloc_pages_slowpath+0x2651/0x2de0 [ 719.593227] ? warn_alloc+0x120/0x120 [ 719.597046] ? warn_alloc+0x120/0x120 [ 719.600869] ? __lock_acquire+0x62f/0x4c20 [ 719.605149] ? warn_alloc+0x120/0x120 [ 719.608985] ? print_usage_bug+0xc0/0xc0 [ 719.613061] ? print_usage_bug+0xc0/0xc0 [ 719.617135] ? mark_held_locks+0x130/0x130 [ 719.621392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.626929] ? should_fail+0x22d/0xd01 [ 719.630826] ? zap_class+0x640/0x640 [ 719.634542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.639650] ? __lock_acquire+0x62f/0x4c20 [ 719.643909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.649010] ? should_fail+0x22d/0xd01 [ 719.652909] ? mark_held_locks+0x130/0x130 [ 719.657142] ? mark_held_locks+0x130/0x130 [ 719.661587] ? lock_downgrade+0x900/0x900 [ 719.665736] ? zap_class+0x640/0x640 [ 719.669448] ? zap_class+0x640/0x640 [ 719.673160] ? zap_class+0x640/0x640 [ 719.676869] ? do_raw_spin_unlock+0xa7/0x330 [ 719.681276] ? trace_hardirqs_on+0x310/0x310 [ 719.685691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.691247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.696786] ? check_preemption_disabled+0x48/0x280 [ 719.701812] ? __lock_is_held+0xb5/0x140 [ 719.705886] __alloc_pages_nodemask+0xad8/0xea0 [ 719.710566] ? zap_class+0x640/0x640 [ 719.714280] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 719.719320] ? find_held_lock+0x36/0x1c0 [ 719.723393] ? ____cache_alloc_node+0x1c7/0x1e0 [ 719.728064] ? lock_downgrade+0x900/0x900 [ 719.732238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.737783] cache_grow_begin+0xa5/0x8c0 [ 719.741845] ? do_raw_spin_unlock+0xa7/0x330 [ 719.746262] fallback_alloc+0x204/0x2e0 [ 719.750254] ____cache_alloc_node+0x1c7/0x1e0 [ 719.754753] kmem_cache_alloc_node+0xe3/0x730 [ 719.759248] ? lockdep_hardirqs_on+0x296/0x5b0 [ 719.763861] __alloc_skb+0x119/0x770 [ 719.767573] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 719.772942] ? netdev_alloc_frag+0x1f0/0x1f0 [ 719.777355] ? vprintk_default+0x28/0x30 [ 719.781433] ? vprintk_func+0x85/0x181 [ 719.785325] ? printk+0xa7/0xcf [ 719.788617] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 719.793389] new_skb+0x26/0x1c0 [ 719.796669] aoecmd_cfg+0x279/0x7f0 [ 719.800308] ? find_held_lock+0x36/0x1c0 [ 719.804378] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 719.808705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.814249] ? __lock_is_held+0xb5/0x140 [ 719.818360] discover_timer+0x50/0x60 [ 719.822157] call_timer_fn+0x272/0x920 [ 719.826047] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 719.830889] ? process_timeout+0x40/0x40 [ 719.834964] ? mark_held_locks+0xc7/0x130 [ 719.839116] ? _raw_spin_unlock_irq+0x27/0x80 [ 719.843605] ? _raw_spin_unlock_irq+0x27/0x80 [ 719.848096] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 719.852935] ? lockdep_hardirqs_on+0x296/0x5b0 [ 719.857517] ? trace_hardirqs_on+0xbd/0x310 [ 719.861856] ? kasan_check_read+0x11/0x20 [ 719.866013] ? __run_timers+0x7da/0xc70 [ 719.869990] ? trace_hardirqs_off_caller+0x310/0x310 [ 719.875106] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 719.879956] __run_timers+0x7e5/0xc70 [ 719.883768] ? timer_fixup_init+0x70/0x70 [ 719.887914] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 719.892927] ? zap_class+0x640/0x640 [ 719.896650] ? print_usage_bug+0xc0/0xc0 [ 719.900712] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 719.905907] ? find_held_lock+0x36/0x1c0 [ 719.909971] ? zap_class+0x640/0x640 [ 719.913691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.919246] ? check_preemption_disabled+0x48/0x280 [ 719.924317] ? __lock_is_held+0xb5/0x140 [ 719.928382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.933949] ? check_preemption_disabled+0x48/0x280 [ 719.938992] run_timer_softirq+0x52/0xb0 [ 719.943059] ? rcu_read_lock_sched_held+0x14f/0x180 [ 719.948078] __do_softirq+0x308/0xb7e [ 719.951886] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 719.956381] ? lock_downgrade+0x900/0x900 [ 719.960535] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 719.965942] ? pvclock_read_flags+0x160/0x160 [ 719.970440] ? lapic_next_event+0x5a/0x90 [ 719.974609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.980150] ? kvm_clock_read+0x18/0x30 [ 719.984123] ? kvm_sched_clock_read+0x9/0x20 [ 719.988533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.994076] ? check_preemption_disabled+0x48/0x280 [ 719.999102] irq_exit+0x17f/0x1c0 [ 720.002577] smp_apic_timer_interrupt+0x1cb/0x760 [ 720.007432] ? smp_call_function_single_interrupt+0x159/0x650 [ 720.013326] ? smp_call_function_single_interrupt+0x650/0x650 [ 720.019225] ? interrupt_entry+0xb5/0xc0 [ 720.023296] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.028329] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.033368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.038222] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.043238] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.048254] ? task_prio+0x50/0x50 [ 720.051797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.057336] ? check_preemption_disabled+0x48/0x280 [ 720.062359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.067208] apic_timer_interrupt+0xf/0x20 [ 720.071434] </IRQ> [ 720.073691] RIP: 0010:rcu_is_watching+0x0/0x30 [ 720.078275] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 720.097334] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 720.105040] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 720.112323] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 720.119586] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 720.126852] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 720.134134] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 720.141419] ? list_lru_count_one+0x253/0x450 [ 720.145908] ? list_lru_count_one+0x35d/0x450 [ 720.150412] ? list_lru_count_one+0x362/0x450 [ 720.154918] ? list_lru_isolate_move+0x3c0/0x3c0 [ 720.159676] ? shmem_free_inode+0xd0/0xd0 [ 720.164089] ? __lock_is_held+0xb5/0x140 [ 720.168158] super_cache_count+0x1b9/0x2e0 [ 720.172403] do_shrink_slab+0x1b1/0xd30 [ 720.176392] ? snapshot_refaults+0x290/0x290 [ 720.180806] ? lock_release+0xa00/0xa00 [ 720.184785] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 720.189722] ? down_read_trylock+0xda/0x140 [ 720.194036] ? shrink_slab+0x207/0x8c0 [ 720.197926] ? downgrade_write+0x270/0x270 [ 720.202176] shrink_slab+0x389/0x8c0 [ 720.205906] ? shrink_active_list+0x1f00/0x1f00 [ 720.210633] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 720.216263] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 720.221385] ? cgroup_procs_write_finish+0xf0/0xf0 [ 720.226334] ? find_held_lock+0x36/0x1c0 [ 720.230407] shrink_node+0x431/0x16b0 [ 720.234209] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 720.239512] ? shrink_node_memcg+0x18f0/0x18f0 [ 720.244100] ? kvm_clock_read+0x18/0x30 [ 720.248075] ? ktime_get+0x2c1/0x400 [ 720.251815] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 720.256319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 720.261861] ? __cpuset_node_allowed+0x19b/0x660 [ 720.266648] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 720.272359] ? delayacct_end+0x5a/0x100 [ 720.276348] do_try_to_free_pages+0x3e7/0x1290 [ 720.280932] ? zap_class+0x640/0x640 [ 720.284667] ? shrink_node+0x16b0/0x16b0 [ 720.288738] ? __lock_is_held+0xb5/0x140 [ 720.292821] try_to_free_pages+0x4d0/0xb90 [ 720.297059] ? do_try_to_free_pages+0x1290/0x1290 [ 720.301915] ? lock_acquire+0x1ed/0x520 [ 720.305894] ? set_page_refcounted+0x280/0x280 [ 720.310497] ? lock_release+0xa00/0xa00 [ 720.314490] ? _raw_spin_unlock_irq+0x60/0x80 [ 720.318980] ? psi_memstall_enter+0x240/0x2b0 [ 720.323489] ? psi_memstall_tick+0x230/0x230 [ 720.327906] __alloc_pages_slowpath+0xa48/0x2de0 [ 720.332687] ? warn_alloc+0x120/0x120 [ 720.336489] ? mark_held_locks+0x130/0x130 [ 720.340733] ? find_get_entry+0xaae/0x1120 [ 720.344979] ? filemap_map_pages+0x1a20/0x1a20 [ 720.349569] ? zap_class+0x640/0x640 [ 720.353299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.358844] ? check_preemption_disabled+0x48/0x280 [ 720.363860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.369397] ? should_fail+0x22d/0xd01 [ 720.373300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.378411] ? zap_class+0x640/0x640 [ 720.382167] ? __lock_is_held+0xb5/0x140 [ 720.386233] ? mark_held_locks+0x130/0x130 [ 720.390474] ? lock_release+0xa00/0xa00 [ 720.394449] ? perf_trace_sched_process_exec+0x860/0x860 [ 720.399902] ? xa_load+0x2ba/0x460 [ 720.403459] ? lock_downgrade+0x900/0x900 [ 720.407613] ? __might_sleep+0x95/0x190 [ 720.411593] __alloc_pages_nodemask+0xad8/0xea0 [ 720.416271] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 720.421303] ? __page_cache_alloc+0x191/0x5c0 [ 720.425806] ? xa_load+0x2e1/0x460 [ 720.429350] ? xa_clear_mark+0x40/0x40 [ 720.433254] ? zap_class+0x640/0x640 [ 720.436984] ? zap_class+0x640/0x640 [ 720.440699] ? zap_class+0x640/0x640 [ 720.444416] ? __do_page_cache_readahead+0x663/0x810 [ 720.449531] ? find_held_lock+0x36/0x1c0 [ 720.453606] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 720.459155] alloc_pages_current+0x173/0x350 [ 720.463582] __page_cache_alloc+0x38c/0x5c0 [ 720.467907] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.472856] ? kasan_check_read+0x11/0x20 [ 720.477002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.482284] ? generic_perform_write+0x6a0/0x6a0 [ 720.487051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.492594] ? check_preemption_disabled+0x48/0x280 [ 720.497620] filemap_fault+0x1595/0x25f0 [ 720.501696] ? __lock_page_or_retry+0xa00/0xa00 [ 720.506367] ? mark_held_locks+0x130/0x130 [ 720.510616] ? filemap_map_pages+0xd6b/0x1a20 [ 720.515117] ? lock_downgrade+0x900/0x900 [ 720.519263] ? check_preemption_disabled+0x48/0x280 [ 720.524301] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.529238] ? kasan_check_read+0x11/0x20 [ 720.533574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.538854] ? rcu_softirq_qs+0x20/0x20 [ 720.542842] ? filemap_map_pages+0xd92/0x1a20 [ 720.547352] ? find_get_entries_tag+0x1400/0x1400 [ 720.552199] ? debug_object_destroy+0x2b0/0x2b0 [ 720.556871] ? lock_pi_update_atomic+0x150/0x150 [ 720.561631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.567180] ? lock_acquire+0x1ed/0x520 [ 720.571151] ? ext4_filemap_fault+0x7a/0xad [ 720.575484] ? lock_release+0xa00/0xa00 [ 720.579456] ? perf_trace_sched_process_exec+0x860/0x860 [ 720.584915] ? print_usage_bug+0xc0/0xc0 [ 720.588983] ? print_usage_bug+0xc0/0xc0 [ 720.593058] ? down_read+0x8d/0x120 [ 720.596683] ? ext4_filemap_fault+0x7a/0xad [ 720.601005] ? __down_interruptible+0x700/0x700 [ 720.605682] ext4_filemap_fault+0x82/0xad [ 720.609832] __do_fault+0x100/0x6b0 [ 720.613460] ? release_sock+0x1ec/0x2c0 [ 720.617439] ? pmd_devmap_trans_unstable+0x220/0x220 [ 720.622545] ? mark_held_locks+0x130/0x130 [ 720.626787] ? mark_held_locks+0x130/0x130 [ 720.631018] ? lock_sock_nested+0x9a/0x120 [ 720.635256] ? __release_sock+0x3a0/0x3a0 [ 720.639411] ? __local_bh_enable_ip+0x160/0x260 [ 720.644087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.649634] __handle_mm_fault+0x3ea0/0x5be0 [ 720.654051] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 720.658894] ? apparmor_socket_sendmsg+0x29/0x30 [ 720.663653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.669191] ? security_socket_sendmsg+0x94/0xc0 [ 720.673950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.679517] ? zap_class+0x640/0x640 [ 720.683265] ? zap_class+0x640/0x640 [ 720.687004] ? __x64_sys_futex+0x53e/0x6a0 [ 720.691354] ? find_held_lock+0x36/0x1c0 [ 720.695444] ? handle_mm_fault+0x42a/0xc70 [ 720.699679] ? lock_downgrade+0x900/0x900 [ 720.703827] ? check_preemption_disabled+0x48/0x280 [ 720.708851] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.713779] ? kasan_check_read+0x11/0x20 [ 720.717926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.723218] ? rcu_softirq_qs+0x20/0x20 [ 720.727193] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.732334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.737871] ? check_preemption_disabled+0x48/0x280 [ 720.742914] handle_mm_fault+0x54f/0xc70 [ 720.746998] ? __handle_mm_fault+0x5be0/0x5be0 [ 720.751595] ? find_vma+0x34/0x190 [ 720.755141] __do_page_fault+0x5e8/0xe60 [ 720.759213] ? trace_hardirqs_off+0xb8/0x310 [ 720.763647] ? __ia32_sys_read+0xb0/0xb0 [ 720.767723] do_page_fault+0xf2/0x7e0 [ 720.771523] ? vmalloc_sync_all+0x30/0x30 [ 720.775690] ? error_entry+0x70/0xd0 [ 720.779450] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.784480] ? trace_hardirqs_on_caller+0xc0/0x310 [ 720.789412] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.794343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.799189] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.804203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 720.809659] ? prepare_exit_to_usermode+0x291/0x3b0 [ 720.814680] ? page_fault+0x8/0x30 [ 720.818221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.823067] ? page_fault+0x8/0x30 [ 720.826615] page_fault+0x1e/0x30 [ 720.830066] RIP: 0033:0x45ddf3 [ 720.833273] Code: Bad RIP value. [ 720.836651] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 720.842016] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 720.849280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 720.856565] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 720.863831] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 720.871100] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 720.878406] warn_alloc_show_mem: 1 callbacks suppressed [ 720.878418] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 720.878420] Mem-Info: [ 720.878466] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 720.878466] active_file:13 inactive_file:14 isolated_file:0 [ 720.878466] unevictable:0 dirty:0 writeback:0 unstable:0 [ 720.878466] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 720.878466] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 720.878466] free:13773 free_pcp:174 free_cma:0 [ 720.883808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.891081] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 720.891089] 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 [ 720.893575] Call Trace: [ 720.926537] lowmem_reserve[]: 0 2818 6321 6321 [ 720.935892] <IRQ> [ 720.963408] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 720.989514] dump_stack+0x244/0x39d [ 720.992068] lowmem_reserve[]: 0 0 3503 3503 [ 720.996645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 720.998775] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 721.026298] warn_alloc.cold.116+0xb7/0x1bd [ 721.029896] lowmem_reserve[]: 0 0 0 0 [ 721.034214] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 721.039378] 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 [ 721.068317] ? lock_downgrade+0x900/0x900 [ 721.072640] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 721.076445] ? trace_hardirqs_off+0xb8/0x310 [ 721.081258] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 721.094777] ? trace_hardirqs_off+0xb8/0x310 [ 721.098905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.114872] __alloc_pages_slowpath+0x2651/0x2de0 [ 721.119265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.132893] ? warn_alloc+0x120/0x120 [ 721.137251] 271 total pagecache pages [ 721.146114] ? print_usage_bug+0xc0/0xc0 [ 721.150936] 0 pages in swap cache [ 721.159495] ? warn_alloc+0x120/0x120 [ 721.163273] Swap cache stats: add 0, delete 0, find 0/0 [ 721.167075] ? warn_alloc+0x120/0x120 [ 721.171116] Free swap = 0kB [ 721.174571] ? print_usage_bug+0xc0/0xc0 [ 721.178345] Total swap = 0kB [ 721.183705] ? kvm_clock_read+0x18/0x30 [ 721.187522] 1965979 pages RAM [ 721.190533] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 721.194573] 0 pages HighMem/MovableOnly [ 721.197585] ? print_usage_bug+0xc0/0xc0 [ 721.201533] 342854 pages reserved [ 721.204630] ? __lock_acquire+0x62f/0x4c20 [ 721.209623] 0 pages cma reserved [ 721.213603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.217719] aoe: skb alloc failure [ 721.221091] ? should_fail+0x22d/0xd01 [ 721.225369] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 721.228668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.234184] syz-fuzzer cpuset=/ mems_allowed=0 [ 721.237719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.266708] ? __lock_acquire+0x62f/0x4c20 [ 721.270949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.276059] ? __lock_acquire+0x62f/0x4c20 [ 721.280304] ? should_fail+0x22d/0xd01 [ 721.284195] ? rcu_irq_exit+0x1a2/0x390 [ 721.288181] ? mark_held_locks+0x130/0x130 [ 721.292423] ? mark_held_locks+0x130/0x130 [ 721.296667] ? mark_held_locks+0xc7/0x130 [ 721.300816] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 721.305836] ? zap_class+0x640/0x640 [ 721.309553] ? print_usage_bug+0xc0/0xc0 [ 721.313622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.319158] ? check_preemption_disabled+0x48/0x280 [ 721.324198] ? __lock_is_held+0xb5/0x140 [ 721.328269] __alloc_pages_nodemask+0xad8/0xea0 [ 721.332948] ? zap_class+0x640/0x640 [ 721.336667] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 721.341703] ? find_held_lock+0x36/0x1c0 [ 721.345774] ? ____cache_alloc_node+0x1c7/0x1e0 [ 721.350447] ? lock_downgrade+0x900/0x900 [ 721.354606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.360149] cache_grow_begin+0xa5/0x8c0 [ 721.364210] ? do_raw_spin_unlock+0xa7/0x330 [ 721.368627] fallback_alloc+0x204/0x2e0 [ 721.372629] ____cache_alloc_node+0x1c7/0x1e0 [ 721.377135] kmem_cache_alloc_node+0xe3/0x730 [ 721.381635] ? ipv6_get_ifaddr+0x42e/0x620 [ 721.385882] __alloc_skb+0x119/0x770 [ 721.389596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.394880] ? netdev_alloc_frag+0x1f0/0x1f0 [ 721.399298] ? lock_downgrade+0x900/0x900 [ 721.403457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.408995] ? refcount_sub_and_test_checked+0x203/0x310 [ 721.414448] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 721.419903] ? addrconf_rs_timer+0x690/0x690 [ 721.424335] ndisc_alloc_skb+0x144/0x340 [ 721.428405] ndisc_send_rs+0x331/0x6e0 [ 721.432309] addrconf_rs_timer+0x314/0x690 [ 721.436551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.440796] call_timer_fn+0x272/0x920 [ 721.444684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.448922] ? process_timeout+0x40/0x40 [ 721.452994] ? __run_timers+0x7da/0xc70 [ 721.456973] ? _raw_spin_unlock_irq+0x27/0x80 [ 721.461468] ? _raw_spin_unlock_irq+0x27/0x80 [ 721.465960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.470194] ? lockdep_hardirqs_on+0x296/0x5b0 [ 721.474779] ? trace_hardirqs_on+0xbd/0x310 [ 721.479099] ? kasan_check_read+0x11/0x20 [ 721.483246] ? __run_timers+0x7da/0xc70 [ 721.487225] ? trace_hardirqs_off_caller+0x310/0x310 [ 721.492338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.496578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.500813] __run_timers+0x7e5/0xc70 [ 721.504628] ? timer_fixup_init+0x70/0x70 [ 721.508781] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 721.513798] ? zap_class+0x640/0x640 [ 721.517522] ? enqueue_hrtimer+0x1a5/0x560 [ 721.521762] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 721.526965] ? find_held_lock+0x36/0x1c0 [ 721.531033] ? zap_class+0x640/0x640 [ 721.534758] ? pvclock_read_flags+0x160/0x160 [ 721.539258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.544810] ? check_preemption_disabled+0x48/0x280 [ 721.549838] ? __lock_is_held+0xb5/0x140 [ 721.553908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.559455] ? check_preemption_disabled+0x48/0x280 [ 721.564479] run_timer_softirq+0x52/0xb0 [ 721.568543] ? rcu_read_lock_sched_held+0x14f/0x180 [ 721.573562] __do_softirq+0x308/0xb7e [ 721.577399] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 721.581896] ? lock_downgrade+0x900/0x900 [ 721.586071] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 721.591186] ? pvclock_read_flags+0x160/0x160 [ 721.595700] ? lapic_next_event+0x5a/0x90 [ 721.599854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.605413] ? kvm_clock_read+0x18/0x30 [ 721.609390] ? kvm_sched_clock_read+0x9/0x20 [ 721.613800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.619359] ? check_preemption_disabled+0x48/0x280 [ 721.624387] irq_exit+0x17f/0x1c0 [ 721.627845] smp_apic_timer_interrupt+0x1cb/0x760 [ 721.632688] ? smp_reschedule_interrupt+0x109/0x650 [ 721.637707] ? smp_call_function_single_interrupt+0x650/0x650 [ 721.643592] ? interrupt_entry+0xb5/0xc0 [ 721.647659] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.652677] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.657697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.662544] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.667560] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.672586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.677466] apic_timer_interrupt+0xf/0x20 [ 721.681720] </IRQ> [ 721.683996] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 721.689896] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 721.708806] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 721.716515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 721.723780] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 721.731049] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 721.738325] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 721.745590] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 721.752888] ? save_stack+0xa9/0xd0 [ 721.756529] __kmalloc_node_track_caller+0x3c/0x70 [ 721.761492] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 721.766262] pskb_expand_head+0x230/0x10f0 [ 721.770520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.775973] ? memcpy+0x45/0x50 [ 721.779270] ? __copy_skb_header+0x350/0x6b0 [ 721.783699] ? skb_release_data+0x880/0x880 [ 721.788035] ? __alloc_skb+0x770/0x770 [ 721.791980] ? __lock_is_held+0xb5/0x140 [ 721.796046] ? kasan_check_write+0x14/0x20 [ 721.800286] ? __skb_clone+0x6c7/0xa00 [ 721.804184] ? __copy_skb_header+0x6b0/0x6b0 [ 721.808591] ? kmem_cache_alloc+0x33a/0x730 [ 721.812916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.818465] skb_ensure_writable+0x3dd/0x640 [ 721.822881] ? skb_checksum_setup+0xaa0/0xaa0 [ 721.827381] ? preempt_notifier_register+0x200/0x200 [ 721.832481] ? __switch_to_asm+0x34/0x70 [ 721.836558] ? __switch_to_asm+0x34/0x70 [ 721.840614] ? __switch_to_asm+0x40/0x70 [ 721.844683] ? __switch_to_asm+0x34/0x70 [ 721.848740] ? __switch_to_asm+0x40/0x70 [ 721.852801] ? __switch_to_asm+0x40/0x70 [ 721.856861] ? __switch_to_asm+0x34/0x70 [ 721.860924] ? __switch_to_asm+0x34/0x70 [ 721.864982] ? __switch_to_asm+0x40/0x70 [ 721.869042] ? __switch_to_asm+0x34/0x70 [ 721.873124] bpf_clone_redirect+0x14a/0x490 [ 721.877474] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 721.882495] ? __sched_text_start+0x8/0x8 [ 721.886645] ? retint_kernel+0x2d/0x2d [ 721.890542] ? find_held_lock+0x36/0x1c0 [ 721.894643] ? lock_acquire+0x1ed/0x520 [ 721.898614] ? bpf_test_run+0x3cb/0x780 [ 721.902587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.908128] ? check_preemption_disabled+0x48/0x280 [ 721.913156] ? kasan_check_read+0x11/0x20 [ 721.917314] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.922590] ? rcu_softirq_qs+0x20/0x20 [ 721.926579] ? preempt_schedule+0x4d/0x60 [ 721.930727] ? ___preempt_schedule+0x16/0x18 [ 721.935141] ? bpf_test_run+0x25d/0x780 [ 721.939124] ? netlink_diag_dump+0x2a0/0x2a0 [ 721.943533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.949121] ? bpf_test_init.isra.10+0x70/0x100 [ 721.953800] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 721.958570] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 721.963595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.969135] ? fput+0x130/0x1a0 [ 721.972417] ? __bpf_prog_get+0x9b/0x290 [ 721.976483] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 721.981331] ? bpf_prog_test_run+0x130/0x1a0 [ 721.985744] ? __x64_sys_bpf+0x3d8/0x520 [ 721.989805] ? bpf_prog_get+0x20/0x20 [ 721.993628] ? do_syscall_64+0x1b9/0x820 [ 721.997687] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 722.003091] ? syscall_return_slowpath+0x5e0/0x5e0 [ 722.008020] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.013097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 722.018131] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 722.024794] ? __switch_to_asm+0x40/0x70 [ 722.028867] ? __switch_to_asm+0x34/0x70 [ 722.032956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.037815] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 722.043198] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 722.043298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 722.050210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.050219] Call Trace: [ 722.056782] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 722.066042] <IRQ> [ 722.068621] syz-executor3 cpuset=syz3 mems_allowed=0 [ 722.079096] dump_stack+0x244/0x39d [ 722.089953] ? dump_stack_print_info.cold.1+0x20/0x20 [ 722.095323] warn_alloc.cold.116+0xb7/0x1bd [ 722.099649] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 722.104497] ? lock_downgrade+0x900/0x900 [ 722.108654] ? trace_hardirqs_off+0xb8/0x310 [ 722.113071] ? trace_hardirqs_off+0xb8/0x310 [ 722.117489] __alloc_pages_slowpath+0x2651/0x2de0 [ 722.122393] ? warn_alloc+0x120/0x120 [ 722.126228] ? warn_alloc+0x120/0x120 [ 722.130034] ? warn_alloc+0x120/0x120 [ 722.133870] ? print_usage_bug+0xc0/0xc0 [ 722.137937] ? print_usage_bug+0xc0/0xc0 [ 722.142004] ? ktime_get+0x2c1/0x400 [ 722.145728] ? check_preemption_disabled+0x48/0x280 [ 722.150740] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.155244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.160779] ? should_fail+0x22d/0xd01 [ 722.164666] ? kasan_check_read+0x11/0x20 [ 722.168815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.173922] ? __lock_acquire+0x62f/0x4c20 [ 722.178158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.183264] ? should_fail+0x22d/0xd01 [ 722.187156] ? print_usage_bug+0xc0/0xc0 [ 722.191223] ? mark_held_locks+0x130/0x130 [ 722.195459] ? mark_held_locks+0x130/0x130 [ 722.199693] ? check_preemption_disabled+0x48/0x280 [ 722.204718] ? zap_class+0x640/0x640 [ 722.208435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 722.213192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.218732] ? check_preemption_disabled+0x48/0x280 [ 722.223757] ? __lock_is_held+0xb5/0x140 [ 722.227829] __alloc_pages_nodemask+0xad8/0xea0 [ 722.232497] ? zap_class+0x640/0x640 [ 722.236217] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 722.241260] ? find_held_lock+0x36/0x1c0 [ 722.245341] ? ____cache_alloc_node+0x1c7/0x1e0 [ 722.250029] ? lock_downgrade+0x900/0x900 [ 722.254185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.259725] cache_grow_begin+0xa5/0x8c0 [ 722.263790] ? do_raw_spin_unlock+0xa7/0x330 [ 722.268212] fallback_alloc+0x204/0x2e0 [ 722.272198] ____cache_alloc_node+0x1c7/0x1e0 [ 722.276702] kmem_cache_alloc_node+0xe3/0x730 [ 722.281198] ? lockdep_hardirqs_on+0x296/0x5b0 [ 722.285794] __alloc_skb+0x119/0x770 [ 722.289504] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 722.294871] ? netdev_alloc_frag+0x1f0/0x1f0 [ 722.299286] ? vprintk_default+0x28/0x30 [ 722.303357] ? vprintk_func+0x85/0x181 [ 722.307247] ? printk+0xa7/0xcf [ 722.310531] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 722.315332] new_skb+0x26/0x1c0 [ 722.318611] aoecmd_cfg+0x279/0x7f0 [ 722.322242] ? find_held_lock+0x36/0x1c0 [ 722.326327] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 722.330658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.336215] ? __lock_is_held+0xb5/0x140 [ 722.340308] discover_timer+0x50/0x60 [ 722.344113] call_timer_fn+0x272/0x920 [ 722.348005] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.352888] ? process_timeout+0x40/0x40 [ 722.356959] ? mark_held_locks+0xc7/0x130 [ 722.361111] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.365618] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.370128] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.374971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 722.379563] ? trace_hardirqs_on+0xbd/0x310 [ 722.383883] ? kasan_check_read+0x11/0x20 [ 722.388033] ? __run_timers+0x7da/0xc70 [ 722.392007] ? trace_hardirqs_off_caller+0x310/0x310 [ 722.397133] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 722.401974] __run_timers+0x7e5/0xc70 [ 722.405791] ? timer_fixup_init+0x70/0x70 [ 722.409947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 722.414971] ? zap_class+0x640/0x640 [ 722.418690] ? print_usage_bug+0xc0/0xc0 [ 722.422756] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 722.427957] ? find_held_lock+0x36/0x1c0 [ 722.432028] ? zap_class+0x640/0x640 [ 722.435749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.441307] ? check_preemption_disabled+0x48/0x280 [ 722.446368] ? __lock_is_held+0xb5/0x140 [ 722.450448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.456000] ? check_preemption_disabled+0x48/0x280 [ 722.461021] run_timer_softirq+0x52/0xb0 [ 722.465085] ? rcu_read_lock_sched_held+0x14f/0x180 [ 722.470102] __do_softirq+0x308/0xb7e [ 722.473909] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.478406] ? lock_downgrade+0x900/0x900 [ 722.482562] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 722.487678] ? pvclock_read_flags+0x160/0x160 [ 722.492179] ? lapic_next_event+0x5a/0x90 [ 722.496334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.501878] ? kvm_clock_read+0x18/0x30 [ 722.505853] ? kvm_sched_clock_read+0x9/0x20 [ 722.510263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.515814] ? check_preemption_disabled+0x48/0x280 [ 722.520850] irq_exit+0x17f/0x1c0 [ 722.524337] smp_apic_timer_interrupt+0x1cb/0x760 [ 722.529210] ? smp_call_function_single_interrupt+0x159/0x650 [ 722.535100] ? smp_call_function_single_interrupt+0x650/0x650 [ 722.540983] ? interrupt_entry+0xb5/0xc0 [ 722.545047] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.550065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.555083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.559928] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.564942] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.569960] ? task_prio+0x50/0x50 [ 722.573506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.579044] ? check_preemption_disabled+0x48/0x280 [ 722.584066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.588924] apic_timer_interrupt+0xf/0x20 [ 722.593154] </IRQ> [ 722.595391] RIP: 0010:rcu_is_watching+0x0/0x30 [ 722.599978] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 722.618879] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 722.626586] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 722.633852] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 722.641120] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 722.648387] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 722.655652] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 722.662945] ? list_lru_count_one+0x253/0x450 [ 722.667440] ? list_lru_count_one+0x35d/0x450 [ 722.671941] ? list_lru_count_one+0x362/0x450 [ 722.676443] ? list_lru_isolate_move+0x3c0/0x3c0 [ 722.681200] ? shmem_free_inode+0xd0/0xd0 [ 722.685350] ? __lock_is_held+0xb5/0x140 [ 722.689438] super_cache_count+0x1b9/0x2e0 [ 722.693679] do_shrink_slab+0x1b1/0xd30 [ 722.697666] ? snapshot_refaults+0x290/0x290 [ 722.702076] ? lock_release+0xa00/0xa00 [ 722.706073] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 722.711042] ? down_read_trylock+0xda/0x140 [ 722.715381] ? shrink_slab+0x207/0x8c0 [ 722.719271] ? downgrade_write+0x270/0x270 [ 722.723527] shrink_slab+0x389/0x8c0 [ 722.727244] ? shrink_active_list+0x1f00/0x1f00 [ 722.731921] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 722.737550] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 722.742667] ? cgroup_procs_write_finish+0xf0/0xf0 [ 722.747602] ? find_held_lock+0x36/0x1c0 [ 722.751675] shrink_node+0x431/0x16b0 [ 722.755480] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 722.760792] ? shrink_node_memcg+0x18f0/0x18f0 [ 722.765380] ? kvm_clock_read+0x18/0x30 [ 722.769356] ? ktime_get+0x2c1/0x400 [ 722.773074] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.777582] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 722.783125] ? __cpuset_node_allowed+0x19b/0x660 [ 722.787883] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 722.793601] ? delayacct_end+0x5a/0x100 [ 722.797590] do_try_to_free_pages+0x3e7/0x1290 [ 722.802177] ? zap_class+0x640/0x640 [ 722.805909] ? shrink_node+0x16b0/0x16b0 [ 722.809985] ? __lock_is_held+0xb5/0x140 [ 722.814060] try_to_free_pages+0x4d0/0xb90 [ 722.818310] ? do_try_to_free_pages+0x1290/0x1290 [ 722.823168] ? lock_acquire+0x1ed/0x520 [ 722.827144] ? set_page_refcounted+0x280/0x280 [ 722.831731] ? lock_release+0xa00/0xa00 [ 722.835711] ? _raw_spin_unlock_irq+0x60/0x80 [ 722.840206] ? psi_memstall_enter+0x240/0x2b0 [ 722.844706] ? psi_memstall_tick+0x230/0x230 [ 722.849130] __alloc_pages_slowpath+0xa48/0x2de0 [ 722.853921] ? warn_alloc+0x120/0x120 [ 722.857723] ? mark_held_locks+0x130/0x130 [ 722.861963] ? find_get_entry+0xaae/0x1120 [ 722.866211] ? filemap_map_pages+0x1a20/0x1a20 [ 722.870801] ? zap_class+0x640/0x640 [ 722.874524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.880075] ? check_preemption_disabled+0x48/0x280 [ 722.885111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.890654] ? should_fail+0x22d/0xd01 [ 722.894581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.899696] ? zap_class+0x640/0x640 [ 722.903438] ? __lock_is_held+0xb5/0x140 [ 722.907508] ? mark_held_locks+0x130/0x130 [ 722.911748] ? lock_release+0xa00/0xa00 [ 722.915743] ? perf_trace_sched_process_exec+0x860/0x860 [ 722.921193] ? xa_load+0x2ba/0x460 [ 722.924733] ? lock_downgrade+0x900/0x900 [ 722.928886] ? __might_sleep+0x95/0x190 [ 722.932871] __alloc_pages_nodemask+0xad8/0xea0 [ 722.937583] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 722.942606] ? __page_cache_alloc+0x191/0x5c0 [ 722.947103] ? xa_load+0x2e1/0x460 [ 722.950646] ? xa_clear_mark+0x40/0x40 [ 722.954537] ? zap_class+0x640/0x640 [ 722.958263] ? zap_class+0x640/0x640 [ 722.961989] ? zap_class+0x640/0x640 [ 722.965706] ? __do_page_cache_readahead+0x663/0x810 [ 722.970821] ? find_held_lock+0x36/0x1c0 [ 722.974895] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 722.980448] alloc_pages_current+0x173/0x350 [ 722.984868] __page_cache_alloc+0x38c/0x5c0 [ 722.989188] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 722.994119] ? kasan_check_read+0x11/0x20 [ 722.998266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.003588] ? generic_perform_write+0x6a0/0x6a0 [ 723.008365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.013906] ? check_preemption_disabled+0x48/0x280 [ 723.018936] filemap_fault+0x1595/0x25f0 [ 723.023010] ? __lock_page_or_retry+0xa00/0xa00 [ 723.027686] ? mark_held_locks+0x130/0x130 [ 723.031930] ? filemap_map_pages+0xd6b/0x1a20 [ 723.036437] ? lock_downgrade+0x900/0x900 [ 723.040583] ? check_preemption_disabled+0x48/0x280 [ 723.045633] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.050570] ? kasan_check_read+0x11/0x20 [ 723.054720] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.059998] ? rcu_softirq_qs+0x20/0x20 [ 723.063995] ? filemap_map_pages+0xd92/0x1a20 [ 723.068508] ? find_get_entries_tag+0x1400/0x1400 [ 723.073355] ? debug_object_destroy+0x2b0/0x2b0 [ 723.078028] ? lock_pi_update_atomic+0x150/0x150 [ 723.082802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.088366] ? lock_acquire+0x1ed/0x520 [ 723.092359] ? ext4_filemap_fault+0x7a/0xad [ 723.096690] ? lock_release+0xa00/0xa00 [ 723.100662] ? perf_trace_sched_process_exec+0x860/0x860 [ 723.106128] ? print_usage_bug+0xc0/0xc0 [ 723.110192] ? print_usage_bug+0xc0/0xc0 [ 723.114265] ? down_read+0x8d/0x120 [ 723.117900] ? ext4_filemap_fault+0x7a/0xad [ 723.122224] ? __down_interruptible+0x700/0x700 [ 723.126901] ext4_filemap_fault+0x82/0xad [ 723.131052] __do_fault+0x100/0x6b0 [ 723.134680] ? release_sock+0x1ec/0x2c0 [ 723.138698] ? pmd_devmap_trans_unstable+0x220/0x220 [ 723.143803] ? mark_held_locks+0x130/0x130 [ 723.148037] ? mark_held_locks+0x130/0x130 [ 723.152340] ? lock_sock_nested+0x9a/0x120 [ 723.156581] ? __release_sock+0x3a0/0x3a0 [ 723.160729] ? __local_bh_enable_ip+0x160/0x260 [ 723.165402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.170948] __handle_mm_fault+0x3ea0/0x5be0 [ 723.175375] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 723.180220] ? apparmor_socket_sendmsg+0x29/0x30 [ 723.184987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.190529] ? security_socket_sendmsg+0x94/0xc0 [ 723.195312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.200888] ? zap_class+0x640/0x640 [ 723.204601] ? zap_class+0x640/0x640 [ 723.208319] ? __x64_sys_futex+0x53e/0x6a0 [ 723.212568] ? find_held_lock+0x36/0x1c0 [ 723.216641] ? handle_mm_fault+0x42a/0xc70 [ 723.220907] ? lock_downgrade+0x900/0x900 [ 723.225074] ? check_preemption_disabled+0x48/0x280 [ 723.230099] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.235032] ? kasan_check_read+0x11/0x20 [ 723.239185] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.244463] ? rcu_softirq_qs+0x20/0x20 [ 723.248441] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.253545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.259090] ? check_preemption_disabled+0x48/0x280 [ 723.264125] handle_mm_fault+0x54f/0xc70 [ 723.268210] ? __handle_mm_fault+0x5be0/0x5be0 [ 723.272800] ? find_vma+0x34/0x190 [ 723.276351] __do_page_fault+0x5e8/0xe60 [ 723.280413] ? trace_hardirqs_off+0xb8/0x310 [ 723.284817] ? __ia32_sys_read+0xb0/0xb0 [ 723.288888] do_page_fault+0xf2/0x7e0 [ 723.292693] ? vmalloc_sync_all+0x30/0x30 [ 723.296841] ? error_entry+0x70/0xd0 [ 723.300563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 723.305602] ? trace_hardirqs_on_caller+0xc0/0x310 [ 723.310581] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.315508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.320366] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.325384] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.330842] ? prepare_exit_to_usermode+0x291/0x3b0 [ 723.335859] ? page_fault+0x8/0x30 [ 723.339405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.344283] ? page_fault+0x8/0x30 [ 723.347865] page_fault+0x1e/0x30 [ 723.351318] RIP: 0033:0x45ddf3 [ 723.354525] Code: Bad RIP value. [ 723.357892] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 723.363266] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 723.370560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 723.377825] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 723.385089] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 723.392359] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 723.399653] warn_alloc_show_mem: 1 callbacks suppressed [ 723.399665] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 723.399667] Mem-Info: [ 723.399697] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 723.399697] active_file:13 inactive_file:14 isolated_file:0 [ 723.399697] unevictable:0 dirty:0 writeback:0 unstable:0 [ 723.399697] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 723.399697] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 723.399697] free:13773 free_pcp:174 free_cma:0 [ 723.405033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.405041] Call Trace: [ 723.412330] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 723.414731] <IRQ> [ 723.447689] 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 [ 723.457063] dump_stack+0x244/0x39d [ 723.459613] lowmem_reserve[]: 0 2818 6321 6321 [ 723.487112] ? dump_stack_print_info.cold.1+0x20/0x20 [ 723.489237] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 723.515354] warn_alloc.cold.116+0xb7/0x1bd [ 723.518948] lowmem_reserve[]: 0 0 3503 3503 [ 723.523524] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.528692] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 723.556200] ? lock_downgrade+0x900/0x900 [ 723.560500] lowmem_reserve[]: 0 0 0 0 [ 723.564825] ? trace_hardirqs_off+0xb8/0x310 [ 723.569656] 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 [ 723.598562] ? trace_hardirqs_off+0xb8/0x310 [ 723.602692] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 723.606497] __alloc_pages_slowpath+0x2651/0x2de0 [ 723.610873] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 723.624418] ? warn_alloc+0x120/0x120 [ 723.628783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 723.644723] ? print_usage_bug+0xc0/0xc0 [ 723.649545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 723.663148] ? warn_alloc+0x120/0x120 [ 723.666928] 271 total pagecache pages [ 723.675756] ? warn_alloc+0x120/0x120 [ 723.679802] 0 pages in swap cache [ 723.688382] ? print_usage_bug+0xc0/0xc0 [ 723.692171] Swap cache stats: add 0, delete 0, find 0/0 [ 723.695965] ? kvm_clock_read+0x18/0x30 [ 723.699742] Free swap = 0kB [ 723.703188] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 723.707223] Total swap = 0kB [ 723.712580] ? print_usage_bug+0xc0/0xc0 [ 723.716530] 1965979 pages RAM [ 723.719553] ? __lock_acquire+0x62f/0x4c20 [ 723.724546] 0 pages HighMem/MovableOnly [ 723.727573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.731615] 342854 pages reserved [ 723.734713] ? should_fail+0x22d/0xd01 [ 723.738939] 0 pages cma reserved [ 723.742923] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.748508] aoe: skb alloc failure [ 723.751887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.755866] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 723.759163] ? __lock_acquire+0x62f/0x4c20 [ 723.764413] syz-fuzzer cpuset=/ mems_allowed=0 [ 723.767945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.797116] ? __lock_acquire+0x62f/0x4c20 [ 723.801386] ? should_fail+0x22d/0xd01 [ 723.805272] ? rcu_irq_exit+0x1a2/0x390 [ 723.809263] ? mark_held_locks+0x130/0x130 [ 723.813511] ? mark_held_locks+0x130/0x130 [ 723.817754] ? mark_held_locks+0xc7/0x130 [ 723.821901] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 723.826916] ? zap_class+0x640/0x640 [ 723.830630] ? print_usage_bug+0xc0/0xc0 [ 723.834701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.840241] ? check_preemption_disabled+0x48/0x280 [ 723.845269] ? __lock_is_held+0xb5/0x140 [ 723.849346] __alloc_pages_nodemask+0xad8/0xea0 [ 723.854020] ? zap_class+0x640/0x640 [ 723.857744] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 723.862774] ? find_held_lock+0x36/0x1c0 [ 723.866851] ? ____cache_alloc_node+0x1c7/0x1e0 [ 723.871526] ? lock_downgrade+0x900/0x900 [ 723.875682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.881226] cache_grow_begin+0xa5/0x8c0 [ 723.885288] ? do_raw_spin_unlock+0xa7/0x330 [ 723.889718] fallback_alloc+0x204/0x2e0 [ 723.893705] ____cache_alloc_node+0x1c7/0x1e0 [ 723.898209] kmem_cache_alloc_node+0xe3/0x730 [ 723.902709] ? ipv6_get_ifaddr+0x42e/0x620 [ 723.906958] __alloc_skb+0x119/0x770 [ 723.910670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.915953] ? netdev_alloc_frag+0x1f0/0x1f0 [ 723.920364] ? lock_downgrade+0x900/0x900 [ 723.924521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.930069] ? refcount_sub_and_test_checked+0x203/0x310 [ 723.935526] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 723.940980] ? addrconf_rs_timer+0x690/0x690 [ 723.945406] ndisc_alloc_skb+0x144/0x340 [ 723.949473] ndisc_send_rs+0x331/0x6e0 [ 723.953370] addrconf_rs_timer+0x314/0x690 [ 723.957619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.961867] call_timer_fn+0x272/0x920 [ 723.965931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.970197] ? process_timeout+0x40/0x40 [ 723.974267] ? __run_timers+0x7da/0xc70 [ 723.978250] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.982748] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.987248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.991492] ? lockdep_hardirqs_on+0x296/0x5b0 [ 723.996082] ? trace_hardirqs_on+0xbd/0x310 [ 724.000409] ? kasan_check_read+0x11/0x20 [ 724.004561] ? __run_timers+0x7da/0xc70 [ 724.008539] ? trace_hardirqs_off_caller+0x310/0x310 [ 724.013652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.017891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.022126] __run_timers+0x7e5/0xc70 [ 724.025981] ? timer_fixup_init+0x70/0x70 [ 724.030139] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 724.035164] ? zap_class+0x640/0x640 [ 724.038888] ? enqueue_hrtimer+0x1a5/0x560 [ 724.043124] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 724.048331] ? find_held_lock+0x36/0x1c0 [ 724.052430] ? zap_class+0x640/0x640 [ 724.056151] ? pvclock_read_flags+0x160/0x160 [ 724.060752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.066314] ? check_preemption_disabled+0x48/0x280 [ 724.071342] ? __lock_is_held+0xb5/0x140 [ 724.075405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.080943] ? check_preemption_disabled+0x48/0x280 [ 724.085967] run_timer_softirq+0x52/0xb0 [ 724.090080] ? rcu_read_lock_sched_held+0x14f/0x180 [ 724.095604] __do_softirq+0x308/0xb7e [ 724.099416] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.103912] ? lock_downgrade+0x900/0x900 [ 724.108069] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 724.113197] ? pvclock_read_flags+0x160/0x160 [ 724.117726] ? lapic_next_event+0x5a/0x90 [ 724.121882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.127424] ? kvm_clock_read+0x18/0x30 [ 724.131401] ? kvm_sched_clock_read+0x9/0x20 [ 724.135813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.141351] ? check_preemption_disabled+0x48/0x280 [ 724.146382] irq_exit+0x17f/0x1c0 [ 724.149839] smp_apic_timer_interrupt+0x1cb/0x760 [ 724.154681] ? smp_reschedule_interrupt+0x109/0x650 [ 724.159698] ? smp_call_function_single_interrupt+0x650/0x650 [ 724.165586] ? interrupt_entry+0xb5/0xc0 [ 724.169648] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.174664] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.179681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.184526] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.189545] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.194577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.199430] apic_timer_interrupt+0xf/0x20 [ 724.203658] </IRQ> [ 724.205901] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 724.211789] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 724.230690] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 724.238396] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 724.245662] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 724.252928] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 724.260195] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 724.267498] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 724.274827] ? save_stack+0xa9/0xd0 [ 724.278466] __kmalloc_node_track_caller+0x3c/0x70 [ 724.283401] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 724.288169] pskb_expand_head+0x230/0x10f0 [ 724.292408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 724.297867] ? memcpy+0x45/0x50 [ 724.301152] ? __copy_skb_header+0x350/0x6b0 [ 724.305561] ? skb_release_data+0x880/0x880 [ 724.309883] ? __alloc_skb+0x770/0x770 [ 724.313782] ? __lock_is_held+0xb5/0x140 [ 724.317854] ? kasan_check_write+0x14/0x20 [ 724.322093] ? __skb_clone+0x6c7/0xa00 [ 724.325983] ? __copy_skb_header+0x6b0/0x6b0 [ 724.330391] ? kmem_cache_alloc+0x33a/0x730 [ 724.334719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.340265] skb_ensure_writable+0x3dd/0x640 [ 724.344684] ? skb_checksum_setup+0xaa0/0xaa0 [ 724.349185] ? preempt_notifier_register+0x200/0x200 [ 724.354288] ? __switch_to_asm+0x34/0x70 [ 724.358362] ? __switch_to_asm+0x34/0x70 [ 724.362422] ? __switch_to_asm+0x40/0x70 [ 724.366479] ? __switch_to_asm+0x34/0x70 [ 724.370537] ? __switch_to_asm+0x40/0x70 [ 724.374601] ? __switch_to_asm+0x40/0x70 [ 724.378662] ? __switch_to_asm+0x34/0x70 [ 724.382723] ? __switch_to_asm+0x34/0x70 [ 724.386790] ? __switch_to_asm+0x40/0x70 [ 724.390853] ? __switch_to_asm+0x34/0x70 [ 724.394918] bpf_clone_redirect+0x14a/0x490 [ 724.399256] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 724.404280] ? __sched_text_start+0x8/0x8 [ 724.408456] ? retint_kernel+0x2d/0x2d [ 724.412362] ? find_held_lock+0x36/0x1c0 [ 724.416433] ? lock_acquire+0x1ed/0x520 [ 724.420410] ? bpf_test_run+0x3cb/0x780 [ 724.424392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.429932] ? check_preemption_disabled+0x48/0x280 [ 724.434955] ? kasan_check_read+0x11/0x20 [ 724.439107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 724.444385] ? rcu_softirq_qs+0x20/0x20 [ 724.448367] ? preempt_schedule+0x4d/0x60 [ 724.452518] ? ___preempt_schedule+0x16/0x18 [ 724.456935] ? bpf_test_run+0x25d/0x780 [ 724.460923] ? netlink_diag_dump+0x2a0/0x2a0 [ 724.465339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.470878] ? bpf_test_init.isra.10+0x70/0x100 [ 724.475552] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 724.480341] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.485183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.490727] ? fput+0x130/0x1a0 [ 724.494021] ? __bpf_prog_get+0x9b/0x290 [ 724.498094] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.502936] ? bpf_prog_test_run+0x130/0x1a0 [ 724.507351] ? __x64_sys_bpf+0x3d8/0x520 [ 724.511418] ? bpf_prog_get+0x20/0x20 [ 724.515245] ? do_syscall_64+0x1b9/0x820 [ 724.519314] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 724.524685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 724.529618] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.534640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 724.539660] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 724.546327] ? __switch_to_asm+0x40/0x70 [ 724.550384] ? __switch_to_asm+0x34/0x70 [ 724.554451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.559314] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.564701] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 724.564771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 724.571714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.571723] Call Trace: [ 724.578317] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 724.587538] <IRQ> [ 724.590110] syz-executor3 cpuset=syz3 mems_allowed=0 [ 724.600601] dump_stack+0x244/0x39d [ 724.611440] ? dump_stack_print_info.cold.1+0x20/0x20 [ 724.616645] warn_alloc.cold.116+0xb7/0x1bd [ 724.620971] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 724.625822] ? lock_downgrade+0x900/0x900 [ 724.629978] ? trace_hardirqs_off+0xb8/0x310 [ 724.634394] ? trace_hardirqs_off+0xb8/0x310 [ 724.638814] __alloc_pages_slowpath+0x2651/0x2de0 [ 724.643688] ? warn_alloc+0x120/0x120 [ 724.647506] ? warn_alloc+0x120/0x120 [ 724.651334] ? warn_alloc+0x120/0x120 [ 724.655152] ? print_usage_bug+0xc0/0xc0 [ 724.659246] ? print_usage_bug+0xc0/0xc0 [ 724.663314] ? ktime_get+0x2c1/0x400 [ 724.667036] ? check_preemption_disabled+0x48/0x280 [ 724.672049] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.676549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.682098] ? should_fail+0x22d/0xd01 [ 724.685990] ? kasan_check_read+0x11/0x20 [ 724.690139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 724.695248] ? __lock_acquire+0x62f/0x4c20 [ 724.699489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 724.704592] ? should_fail+0x22d/0xd01 [ 724.708484] ? print_usage_bug+0xc0/0xc0 [ 724.712560] ? mark_held_locks+0x130/0x130 [ 724.716822] ? mark_held_locks+0x130/0x130 [ 724.721060] ? check_preemption_disabled+0x48/0x280 [ 724.726100] ? zap_class+0x640/0x640 [ 724.729817] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 724.734586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.740123] ? check_preemption_disabled+0x48/0x280 [ 724.745147] ? __lock_is_held+0xb5/0x140 [ 724.749219] __alloc_pages_nodemask+0xad8/0xea0 [ 724.753892] ? zap_class+0x640/0x640 [ 724.757653] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 724.762681] ? find_held_lock+0x36/0x1c0 [ 724.766766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 724.771442] ? lock_downgrade+0x900/0x900 [ 724.775615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.781156] cache_grow_begin+0xa5/0x8c0 [ 724.785218] ? do_raw_spin_unlock+0xa7/0x330 [ 724.789636] fallback_alloc+0x204/0x2e0 [ 724.793620] ____cache_alloc_node+0x1c7/0x1e0 [ 724.798121] kmem_cache_alloc_node+0xe3/0x730 [ 724.802620] ? lockdep_hardirqs_on+0x296/0x5b0 [ 724.807211] __alloc_skb+0x119/0x770 [ 724.810933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 724.816309] ? netdev_alloc_frag+0x1f0/0x1f0 [ 724.820740] ? vprintk_default+0x28/0x30 [ 724.824802] ? vprintk_func+0x85/0x181 [ 724.828705] ? printk+0xa7/0xcf [ 724.831997] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 724.836762] new_skb+0x26/0x1c0 [ 724.840087] aoecmd_cfg+0x279/0x7f0 [ 724.843722] ? find_held_lock+0x36/0x1c0 [ 724.847781] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 724.852126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.857675] ? __lock_is_held+0xb5/0x140 [ 724.861752] discover_timer+0x50/0x60 [ 724.865560] call_timer_fn+0x272/0x920 [ 724.869454] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.874306] ? process_timeout+0x40/0x40 [ 724.878381] ? mark_held_locks+0xc7/0x130 [ 724.882530] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.887030] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.891527] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.896371] ? lockdep_hardirqs_on+0x296/0x5b0 [ 724.900955] ? trace_hardirqs_on+0xbd/0x310 [ 724.905279] ? kasan_check_read+0x11/0x20 [ 724.909433] ? __run_timers+0x7da/0xc70 [ 724.913412] ? trace_hardirqs_off_caller+0x310/0x310 [ 724.918530] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 724.923379] __run_timers+0x7e5/0xc70 [ 724.927190] ? timer_fixup_init+0x70/0x70 [ 724.931340] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 724.936356] ? zap_class+0x640/0x640 [ 724.940081] ? print_usage_bug+0xc0/0xc0 [ 724.944147] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 724.949343] ? find_held_lock+0x36/0x1c0 [ 724.953408] ? zap_class+0x640/0x640 [ 724.957131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.962675] ? check_preemption_disabled+0x48/0x280 [ 724.967701] ? __lock_is_held+0xb5/0x140 [ 724.971769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.977316] ? check_preemption_disabled+0x48/0x280 [ 724.982340] run_timer_softirq+0x52/0xb0 [ 724.986404] ? rcu_read_lock_sched_held+0x14f/0x180 [ 724.991423] __do_softirq+0x308/0xb7e [ 724.995233] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.999728] ? lock_downgrade+0x900/0x900 [ 725.003879] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 725.008991] ? pvclock_read_flags+0x160/0x160 [ 725.013490] ? lapic_next_event+0x5a/0x90 [ 725.017641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.023184] ? kvm_clock_read+0x18/0x30 [ 725.027176] ? kvm_sched_clock_read+0x9/0x20 [ 725.031598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.037137] ? check_preemption_disabled+0x48/0x280 [ 725.042162] irq_exit+0x17f/0x1c0 [ 725.045617] smp_apic_timer_interrupt+0x1cb/0x760 [ 725.050464] ? smp_call_function_single_interrupt+0x159/0x650 [ 725.056392] ? smp_call_function_single_interrupt+0x650/0x650 [ 725.062274] ? interrupt_entry+0xb5/0xc0 [ 725.066345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.071379] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.076483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.081334] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.086353] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.091374] ? task_prio+0x50/0x50 [ 725.094920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.100464] ? check_preemption_disabled+0x48/0x280 [ 725.105489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.110341] apic_timer_interrupt+0xf/0x20 [ 725.114591] </IRQ> [ 725.116832] RIP: 0010:rcu_is_watching+0x0/0x30 [ 725.121418] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 725.140323] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 725.148281] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 725.155559] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 725.162827] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 725.170107] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 725.177388] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 725.184679] ? list_lru_count_one+0x253/0x450 [ 725.189172] ? list_lru_count_one+0x35d/0x450 [ 725.193672] ? list_lru_count_one+0x362/0x450 [ 725.198167] ? list_lru_isolate_move+0x3c0/0x3c0 [ 725.202919] ? shmem_free_inode+0xd0/0xd0 [ 725.207084] ? __lock_is_held+0xb5/0x140 [ 725.211154] super_cache_count+0x1b9/0x2e0 [ 725.215394] do_shrink_slab+0x1b1/0xd30 [ 725.219380] ? snapshot_refaults+0x290/0x290 [ 725.223791] ? lock_release+0xa00/0xa00 [ 725.227777] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 725.232721] ? down_read_trylock+0xda/0x140 [ 725.237039] ? shrink_slab+0x207/0x8c0 [ 725.240931] ? downgrade_write+0x270/0x270 [ 725.245181] shrink_slab+0x389/0x8c0 [ 725.248895] ? shrink_active_list+0x1f00/0x1f00 [ 725.253579] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 725.259210] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 725.264329] ? cgroup_procs_write_finish+0xf0/0xf0 [ 725.269263] ? find_held_lock+0x36/0x1c0 [ 725.273340] shrink_node+0x431/0x16b0 [ 725.277152] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 725.282457] ? shrink_node_memcg+0x18f0/0x18f0 [ 725.287044] ? kvm_clock_read+0x18/0x30 [ 725.291022] ? ktime_get+0x2c1/0x400 [ 725.294744] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 725.299243] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 725.304803] ? __cpuset_node_allowed+0x19b/0x660 [ 725.309566] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 725.315333] ? delayacct_end+0x5a/0x100 [ 725.319328] do_try_to_free_pages+0x3e7/0x1290 [ 725.323908] ? zap_class+0x640/0x640 [ 725.327652] ? shrink_node+0x16b0/0x16b0 [ 725.331714] ? __lock_is_held+0xb5/0x140 [ 725.335803] try_to_free_pages+0x4d0/0xb90 [ 725.340039] ? do_try_to_free_pages+0x1290/0x1290 [ 725.344899] ? lock_acquire+0x1ed/0x520 [ 725.348872] ? set_page_refcounted+0x280/0x280 [ 725.353457] ? lock_release+0xa00/0xa00 [ 725.357437] ? _raw_spin_unlock_irq+0x60/0x80 [ 725.361932] ? psi_memstall_enter+0x240/0x2b0 [ 725.366427] ? psi_memstall_tick+0x230/0x230 [ 725.370851] __alloc_pages_slowpath+0xa48/0x2de0 [ 725.375635] ? warn_alloc+0x120/0x120 [ 725.379433] ? mark_held_locks+0x130/0x130 [ 725.383673] ? find_get_entry+0xaae/0x1120 [ 725.387916] ? filemap_map_pages+0x1a20/0x1a20 [ 725.392503] ? zap_class+0x640/0x640 [ 725.396222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.401771] ? check_preemption_disabled+0x48/0x280 [ 725.406795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.412339] ? should_fail+0x22d/0xd01 [ 725.416235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.421340] ? zap_class+0x640/0x640 [ 725.425081] ? __lock_is_held+0xb5/0x140 [ 725.429154] ? mark_held_locks+0x130/0x130 [ 725.433394] ? lock_release+0xa00/0xa00 [ 725.437370] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.442843] ? xa_load+0x2ba/0x460 [ 725.446390] ? lock_downgrade+0x900/0x900 [ 725.450544] ? __might_sleep+0x95/0x190 [ 725.454533] __alloc_pages_nodemask+0xad8/0xea0 [ 725.459217] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 725.464234] ? __page_cache_alloc+0x191/0x5c0 [ 725.468729] ? xa_load+0x2e1/0x460 [ 725.472267] ? xa_clear_mark+0x40/0x40 [ 725.476168] ? zap_class+0x640/0x640 [ 725.479888] ? zap_class+0x640/0x640 [ 725.483600] ? zap_class+0x640/0x640 [ 725.487332] ? __do_page_cache_readahead+0x663/0x810 [ 725.492443] ? find_held_lock+0x36/0x1c0 [ 725.496515] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 725.502074] alloc_pages_current+0x173/0x350 [ 725.506497] __page_cache_alloc+0x38c/0x5c0 [ 725.510817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.515752] ? kasan_check_read+0x11/0x20 [ 725.519897] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.525189] ? generic_perform_write+0x6a0/0x6a0 [ 725.529966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.535506] ? check_preemption_disabled+0x48/0x280 [ 725.540538] filemap_fault+0x1595/0x25f0 [ 725.544616] ? __lock_page_or_retry+0xa00/0xa00 [ 725.549299] ? mark_held_locks+0x130/0x130 [ 725.553549] ? filemap_map_pages+0xd6b/0x1a20 [ 725.558060] ? lock_downgrade+0x900/0x900 [ 725.562211] ? check_preemption_disabled+0x48/0x280 [ 725.567233] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.572165] ? kasan_check_read+0x11/0x20 [ 725.576320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.581597] ? rcu_softirq_qs+0x20/0x20 [ 725.585592] ? filemap_map_pages+0xd92/0x1a20 [ 725.590104] ? find_get_entries_tag+0x1400/0x1400 [ 725.594952] ? debug_object_destroy+0x2b0/0x2b0 [ 725.599624] ? lock_pi_update_atomic+0x150/0x150 [ 725.604379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.609931] ? lock_acquire+0x1ed/0x520 [ 725.613914] ? ext4_filemap_fault+0x7a/0xad [ 725.618244] ? lock_release+0xa00/0xa00 [ 725.622215] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.627666] ? print_usage_bug+0xc0/0xc0 [ 725.631729] ? print_usage_bug+0xc0/0xc0 [ 725.635805] ? down_read+0x8d/0x120 [ 725.639432] ? ext4_filemap_fault+0x7a/0xad [ 725.643763] ? __down_interruptible+0x700/0x700 [ 725.648442] ext4_filemap_fault+0x82/0xad [ 725.652593] __do_fault+0x100/0x6b0 [ 725.656218] ? release_sock+0x1ec/0x2c0 [ 725.660198] ? pmd_devmap_trans_unstable+0x220/0x220 [ 725.665314] ? mark_held_locks+0x130/0x130 [ 725.669560] ? mark_held_locks+0x130/0x130 [ 725.673791] ? lock_sock_nested+0x9a/0x120 [ 725.678029] ? __release_sock+0x3a0/0x3a0 [ 725.682181] ? __local_bh_enable_ip+0x160/0x260 [ 725.686857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.692403] __handle_mm_fault+0x3ea0/0x5be0 [ 725.696822] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 725.701667] ? apparmor_socket_sendmsg+0x29/0x30 [ 725.706427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.711967] ? security_socket_sendmsg+0x94/0xc0 [ 725.716729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.722301] ? zap_class+0x640/0x640 [ 725.726017] ? zap_class+0x640/0x640 [ 725.729732] ? __x64_sys_futex+0x53e/0x6a0 [ 725.733972] ? find_held_lock+0x36/0x1c0 [ 725.738044] ? handle_mm_fault+0x42a/0xc70 [ 725.742280] ? lock_downgrade+0x900/0x900 [ 725.746442] ? check_preemption_disabled+0x48/0x280 [ 725.751464] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.756398] ? kasan_check_read+0x11/0x20 [ 725.760548] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.765833] ? rcu_softirq_qs+0x20/0x20 [ 725.769811] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.774930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.780469] ? check_preemption_disabled+0x48/0x280 [ 725.785502] handle_mm_fault+0x54f/0xc70 [ 725.789584] ? __handle_mm_fault+0x5be0/0x5be0 [ 725.794177] ? find_vma+0x34/0x190 [ 725.797728] __do_page_fault+0x5e8/0xe60 [ 725.801793] ? trace_hardirqs_off+0xb8/0x310 [ 725.806202] ? __ia32_sys_read+0xb0/0xb0 [ 725.810276] do_page_fault+0xf2/0x7e0 [ 725.814089] ? vmalloc_sync_all+0x30/0x30 [ 725.818245] ? error_entry+0x70/0xd0 [ 725.821965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.826979] ? trace_hardirqs_on_caller+0xc0/0x310 [ 725.831912] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.836842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.841690] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.846704] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 725.852161] ? prepare_exit_to_usermode+0x291/0x3b0 [ 725.857177] ? page_fault+0x8/0x30 [ 725.860721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.865570] ? page_fault+0x8/0x30 [ 725.869115] page_fault+0x1e/0x30 [ 725.872577] RIP: 0033:0x45ddf3 [ 725.875783] Code: Bad RIP value. [ 725.879147] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 725.884507] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 725.891775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 725.899043] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 725.906318] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 725.913588] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 725.920889] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 725.920895] warn_alloc_show_mem: 1 callbacks suppressed [ 725.920902] Mem-Info: [ 725.928179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.933557] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 725.933557] active_file:13 inactive_file:14 isolated_file:0 [ 725.933557] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.933557] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 725.933557] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 725.933557] free:13773 free_pcp:174 free_cma:0 [ 725.935928] Call Trace: [ 725.945326] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 725.978461] <IRQ> [ 725.981044] 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 [ 726.008560] dump_stack+0x244/0x39d [ 726.010694] lowmem_reserve[]: 0 2818 6321 6321 [ 726.036814] ? dump_stack_print_info.cold.1+0x20/0x20 [ 726.040418] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 726.045010] warn_alloc.cold.116+0xb7/0x1bd [ 726.050162] lowmem_reserve[]: 0 0 3503 3503 [ 726.077671] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.081968] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 726.086298] ? lock_downgrade+0x900/0x900 [ 726.091116] lowmem_reserve[]: 0 0 0 0 [ 726.120524] ? trace_hardirqs_off+0xb8/0x310 [ 726.124652] 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 [ 726.128456] ? trace_hardirqs_off+0xb8/0x310 [ 726.132835] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 726.146359] __alloc_pages_slowpath+0x2651/0x2de0 [ 726.150736] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 726.166718] ? warn_alloc+0x120/0x120 [ 726.171525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.185127] ? print_usage_bug+0xc0/0xc0 [ 726.188904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.197733] ? warn_alloc+0x120/0x120 [ 726.201770] 271 total pagecache pages [ 726.210341] ? warn_alloc+0x120/0x120 [ 726.214130] 0 pages in swap cache [ 726.217917] ? print_usage_bug+0xc0/0xc0 [ 726.221693] Swap cache stats: add 0, delete 0, find 0/0 [ 726.225140] ? kvm_clock_read+0x18/0x30 [ 726.229177] Free swap = 0kB [ 726.234564] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 726.238521] Total swap = 0kB [ 726.241532] ? print_usage_bug+0xc0/0xc0 [ 726.246526] 1965979 pages RAM [ 726.249543] ? __lock_acquire+0x62f/0x4c20 [ 726.253582] 0 pages HighMem/MovableOnly [ 726.256682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.260887] 342854 pages reserved [ 726.264865] ? should_fail+0x22d/0xd01 [ 726.270377] 0 pages cma reserved [ 726.273822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 726.277765] aoe: skb alloc failure [ 726.281050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.286368] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 726.289843] ? __lock_acquire+0x62f/0x4c20 [ 726.294926] syz-fuzzer cpuset=/ mems_allowed=0 [ 726.305250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.319120] ? __lock_acquire+0x62f/0x4c20 [ 726.323361] ? should_fail+0x22d/0xd01 [ 726.327244] ? rcu_irq_exit+0x1a2/0x390 [ 726.331232] ? mark_held_locks+0x130/0x130 [ 726.335471] ? mark_held_locks+0x130/0x130 [ 726.339725] ? mark_held_locks+0xc7/0x130 [ 726.343876] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 726.348891] ? zap_class+0x640/0x640 [ 726.352607] ? print_usage_bug+0xc0/0xc0 [ 726.356678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.362222] ? check_preemption_disabled+0x48/0x280 [ 726.367252] ? __lock_is_held+0xb5/0x140 [ 726.371332] __alloc_pages_nodemask+0xad8/0xea0 [ 726.376001] ? zap_class+0x640/0x640 [ 726.379722] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 726.384755] ? find_held_lock+0x36/0x1c0 [ 726.388828] ? ____cache_alloc_node+0x1c7/0x1e0 [ 726.393506] ? lock_downgrade+0x900/0x900 [ 726.397662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.403209] cache_grow_begin+0xa5/0x8c0 [ 726.407272] ? do_raw_spin_unlock+0xa7/0x330 [ 726.411702] fallback_alloc+0x204/0x2e0 [ 726.415684] ____cache_alloc_node+0x1c7/0x1e0 [ 726.420185] kmem_cache_alloc_node+0xe3/0x730 [ 726.424682] ? ipv6_get_ifaddr+0x42e/0x620 [ 726.428930] __alloc_skb+0x119/0x770 [ 726.432642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 726.437925] ? netdev_alloc_frag+0x1f0/0x1f0 [ 726.442341] ? lock_downgrade+0x900/0x900 [ 726.446501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.452039] ? refcount_sub_and_test_checked+0x203/0x310 [ 726.457503] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 726.462955] ? addrconf_rs_timer+0x690/0x690 [ 726.467378] ndisc_alloc_skb+0x144/0x340 [ 726.471486] ndisc_send_rs+0x331/0x6e0 [ 726.475384] addrconf_rs_timer+0x314/0x690 [ 726.479624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.483872] call_timer_fn+0x272/0x920 [ 726.487760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.491994] ? process_timeout+0x40/0x40 [ 726.496070] ? __run_timers+0x7da/0xc70 [ 726.500048] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.504552] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.509046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.513288] ? lockdep_hardirqs_on+0x296/0x5b0 [ 726.517884] ? trace_hardirqs_on+0xbd/0x310 [ 726.522207] ? kasan_check_read+0x11/0x20 [ 726.526356] ? __run_timers+0x7da/0xc70 [ 726.530337] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.535455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.539701] __run_timers+0x7e5/0xc70 [ 726.543517] ? timer_fixup_init+0x70/0x70 [ 726.547666] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 726.552685] ? zap_class+0x640/0x640 [ 726.556405] ? enqueue_hrtimer+0x1a5/0x560 [ 726.560647] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 726.565845] ? find_held_lock+0x36/0x1c0 [ 726.569916] ? zap_class+0x640/0x640 [ 726.573639] ? pvclock_read_flags+0x160/0x160 [ 726.578155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.583714] ? check_preemption_disabled+0x48/0x280 [ 726.588740] ? __lock_is_held+0xb5/0x140 [ 726.592806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.598346] ? check_preemption_disabled+0x48/0x280 [ 726.603367] run_timer_softirq+0x52/0xb0 [ 726.607430] ? rcu_read_lock_sched_held+0x14f/0x180 [ 726.612447] __do_softirq+0x308/0xb7e [ 726.616256] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 726.620749] ? lock_downgrade+0x900/0x900 [ 726.624904] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 726.630021] ? pvclock_read_flags+0x160/0x160 [ 726.634523] ? lapic_next_event+0x5a/0x90 [ 726.638685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.644228] ? kvm_clock_read+0x18/0x30 [ 726.648202] ? kvm_sched_clock_read+0x9/0x20 [ 726.652615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.658154] ? check_preemption_disabled+0x48/0x280 [ 726.663189] irq_exit+0x17f/0x1c0 [ 726.666647] smp_apic_timer_interrupt+0x1cb/0x760 [ 726.671496] ? smp_reschedule_interrupt+0x109/0x650 [ 726.676513] ? smp_call_function_single_interrupt+0x650/0x650 [ 726.682411] ? interrupt_entry+0xb5/0xc0 [ 726.686485] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.691505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.696524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.701368] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.706388] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.711420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.716276] apic_timer_interrupt+0xf/0x20 [ 726.720518] </IRQ> [ 726.722768] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 726.728656] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 726.747559] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 726.755271] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 726.762549] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 726.769815] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 726.777086] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 726.784356] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 726.791662] ? save_stack+0xa9/0xd0 [ 726.795309] __kmalloc_node_track_caller+0x3c/0x70 [ 726.800247] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 726.805014] pskb_expand_head+0x230/0x10f0 [ 726.809257] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.814724] ? memcpy+0x45/0x50 [ 726.818008] ? __copy_skb_header+0x350/0x6b0 [ 726.822418] ? skb_release_data+0x880/0x880 [ 726.826742] ? __alloc_skb+0x770/0x770 [ 726.830640] ? __lock_is_held+0xb5/0x140 [ 726.834710] ? kasan_check_write+0x14/0x20 [ 726.838945] ? __skb_clone+0x6c7/0xa00 [ 726.842838] ? __copy_skb_header+0x6b0/0x6b0 [ 726.847244] ? kmem_cache_alloc+0x33a/0x730 [ 726.851570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.857120] skb_ensure_writable+0x3dd/0x640 [ 726.861539] ? skb_checksum_setup+0xaa0/0xaa0 [ 726.866056] ? preempt_notifier_register+0x200/0x200 [ 726.871166] ? __switch_to_asm+0x34/0x70 [ 726.875226] ? __switch_to_asm+0x34/0x70 [ 726.879298] ? __switch_to_asm+0x40/0x70 [ 726.883357] ? __switch_to_asm+0x34/0x70 [ 726.887419] ? __switch_to_asm+0x40/0x70 [ 726.891481] ? __switch_to_asm+0x40/0x70 [ 726.895542] ? __switch_to_asm+0x34/0x70 [ 726.899602] ? __switch_to_asm+0x34/0x70 [ 726.903659] ? __switch_to_asm+0x40/0x70 [ 726.907716] ? __switch_to_asm+0x34/0x70 [ 726.911785] bpf_clone_redirect+0x14a/0x490 [ 726.916117] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 726.921136] ? __sched_text_start+0x8/0x8 [ 726.925287] ? retint_kernel+0x2d/0x2d [ 726.929201] ? find_held_lock+0x36/0x1c0 [ 726.933284] ? lock_acquire+0x1ed/0x520 [ 726.937315] ? bpf_test_run+0x3cb/0x780 [ 726.941299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.946839] ? check_preemption_disabled+0x48/0x280 [ 726.951865] ? kasan_check_read+0x11/0x20 [ 726.956017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 726.961300] ? rcu_softirq_qs+0x20/0x20 [ 726.965279] ? preempt_schedule+0x4d/0x60 [ 726.969435] ? ___preempt_schedule+0x16/0x18 [ 726.973853] ? bpf_test_run+0x25d/0x780 [ 726.977848] ? netlink_diag_dump+0x2a0/0x2a0 [ 726.982270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.987824] ? bpf_test_init.isra.10+0x70/0x100 [ 726.992507] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 726.997274] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 727.002123] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.007665] ? fput+0x130/0x1a0 [ 727.010951] ? __bpf_prog_get+0x9b/0x290 [ 727.015020] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 727.019865] ? bpf_prog_test_run+0x130/0x1a0 [ 727.024280] ? __x64_sys_bpf+0x3d8/0x520 [ 727.028348] ? bpf_prog_get+0x20/0x20 [ 727.032171] ? do_syscall_64+0x1b9/0x820 [ 727.036232] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 727.041600] ? syscall_return_slowpath+0x5e0/0x5e0 [ 727.046533] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.051554] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 727.056576] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 727.063242] ? __switch_to_asm+0x40/0x70 [ 727.067321] ? __switch_to_asm+0x34/0x70 [ 727.071404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.076257] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.081688] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 727.081757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 727.088820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.088826] Call Trace: [ 727.088832] <IRQ> [ 727.088850] dump_stack+0x244/0x39d [ 727.088869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 727.095522] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 727.104704] warn_alloc.cold.116+0xb7/0x1bd [ 727.107258] syz-executor3 cpuset=syz3 mems_allowed=0 [ 727.109402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 727.142862] ? lock_downgrade+0x900/0x900 [ 727.147072] ? trace_hardirqs_off+0xb8/0x310 [ 727.151491] ? trace_hardirqs_off+0xb8/0x310 [ 727.155911] __alloc_pages_slowpath+0x2651/0x2de0 [ 727.160788] ? warn_alloc+0x120/0x120 [ 727.164599] ? warn_alloc+0x120/0x120 [ 727.168403] ? warn_alloc+0x120/0x120 [ 727.172207] ? print_usage_bug+0xc0/0xc0 [ 727.176272] ? print_usage_bug+0xc0/0xc0 [ 727.180341] ? ktime_get+0x2c1/0x400 [ 727.184065] ? check_preemption_disabled+0x48/0x280 [ 727.189097] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 727.193595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.199131] ? should_fail+0x22d/0xd01 [ 727.203019] ? kasan_check_read+0x11/0x20 [ 727.207173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.212282] ? __lock_acquire+0x62f/0x4c20 [ 727.216536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.221647] ? should_fail+0x22d/0xd01 [ 727.225534] ? print_usage_bug+0xc0/0xc0 [ 727.229611] ? mark_held_locks+0x130/0x130 [ 727.233851] ? mark_held_locks+0x130/0x130 [ 727.238099] ? check_preemption_disabled+0x48/0x280 [ 727.243132] ? zap_class+0x640/0x640 [ 727.246849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 727.251607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.257145] ? check_preemption_disabled+0x48/0x280 [ 727.262178] ? __lock_is_held+0xb5/0x140 [ 727.266247] __alloc_pages_nodemask+0xad8/0xea0 [ 727.270926] ? zap_class+0x640/0x640 [ 727.274649] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 727.279680] ? find_held_lock+0x36/0x1c0 [ 727.283755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 727.288423] ? lock_downgrade+0x900/0x900 [ 727.292587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.298148] cache_grow_begin+0xa5/0x8c0 [ 727.302237] ? do_raw_spin_unlock+0xa7/0x330 [ 727.306656] fallback_alloc+0x204/0x2e0 [ 727.310637] ____cache_alloc_node+0x1c7/0x1e0 [ 727.315140] kmem_cache_alloc_node+0xe3/0x730 [ 727.319641] ? lockdep_hardirqs_on+0x296/0x5b0 [ 727.324232] __alloc_skb+0x119/0x770 [ 727.327947] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 727.333333] ? netdev_alloc_frag+0x1f0/0x1f0 [ 727.337751] ? vprintk_default+0x28/0x30 [ 727.341814] ? vprintk_func+0x85/0x181 [ 727.345702] ? printk+0xa7/0xcf [ 727.348985] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 727.353752] new_skb+0x26/0x1c0 [ 727.357035] aoecmd_cfg+0x279/0x7f0 [ 727.360667] ? find_held_lock+0x36/0x1c0 [ 727.364734] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 727.369065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.374620] ? __lock_is_held+0xb5/0x140 [ 727.378694] discover_timer+0x50/0x60 [ 727.382493] call_timer_fn+0x272/0x920 [ 727.386381] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.391226] ? process_timeout+0x40/0x40 [ 727.395307] ? mark_held_locks+0xc7/0x130 [ 727.399462] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.403957] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.408456] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.413306] ? lockdep_hardirqs_on+0x296/0x5b0 [ 727.417898] ? trace_hardirqs_on+0xbd/0x310 [ 727.422224] ? kasan_check_read+0x11/0x20 [ 727.426372] ? __run_timers+0x7da/0xc70 [ 727.430350] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.435467] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 727.440317] __run_timers+0x7e5/0xc70 [ 727.444132] ? timer_fixup_init+0x70/0x70 [ 727.448282] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 727.453318] ? zap_class+0x640/0x640 [ 727.457040] ? print_usage_bug+0xc0/0xc0 [ 727.461104] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 727.466308] ? find_held_lock+0x36/0x1c0 [ 727.470377] ? zap_class+0x640/0x640 [ 727.474097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.479636] ? check_preemption_disabled+0x48/0x280 [ 727.484666] ? __lock_is_held+0xb5/0x140 [ 727.488730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.494268] ? check_preemption_disabled+0x48/0x280 [ 727.499304] run_timer_softirq+0x52/0xb0 [ 727.503368] ? rcu_read_lock_sched_held+0x14f/0x180 [ 727.508390] __do_softirq+0x308/0xb7e [ 727.512197] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 727.516690] ? lock_downgrade+0x900/0x900 [ 727.520842] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 727.525968] ? pvclock_read_flags+0x160/0x160 [ 727.530466] ? lapic_next_event+0x5a/0x90 [ 727.534619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.540166] ? kvm_clock_read+0x18/0x30 [ 727.544142] ? kvm_sched_clock_read+0x9/0x20 [ 727.548557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.554096] ? check_preemption_disabled+0x48/0x280 [ 727.559131] irq_exit+0x17f/0x1c0 [ 727.562588] smp_apic_timer_interrupt+0x1cb/0x760 [ 727.567430] ? smp_call_function_single_interrupt+0x159/0x650 [ 727.573335] ? smp_call_function_single_interrupt+0x650/0x650 [ 727.579219] ? interrupt_entry+0xb5/0xc0 [ 727.583283] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.588321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.593347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.598216] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.603234] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.608251] ? task_prio+0x50/0x50 [ 727.611821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.617362] ? check_preemption_disabled+0x48/0x280 [ 727.622386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.627263] apic_timer_interrupt+0xf/0x20 [ 727.631502] </IRQ> [ 727.633741] RIP: 0010:rcu_is_watching+0x0/0x30 [ 727.638330] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 727.657239] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 727.664949] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 727.672215] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 727.679483] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 727.686752] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 727.694020] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 727.701321] ? list_lru_count_one+0x253/0x450 [ 727.705816] ? list_lru_count_one+0x35d/0x450 [ 727.710327] ? list_lru_count_one+0x362/0x450 [ 727.714823] ? list_lru_isolate_move+0x3c0/0x3c0 [ 727.719583] ? shmem_free_inode+0xd0/0xd0 [ 727.723768] ? __lock_is_held+0xb5/0x140 [ 727.727839] super_cache_count+0x1b9/0x2e0 [ 727.732079] do_shrink_slab+0x1b1/0xd30 [ 727.736067] ? snapshot_refaults+0x290/0x290 [ 727.740478] ? lock_release+0xa00/0xa00 [ 727.744456] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 727.749411] ? down_read_trylock+0xda/0x140 [ 727.753728] ? shrink_slab+0x207/0x8c0 [ 727.757613] ? downgrade_write+0x270/0x270 [ 727.761858] shrink_slab+0x389/0x8c0 [ 727.765574] ? shrink_active_list+0x1f00/0x1f00 [ 727.770268] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 727.775906] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 727.781018] ? cgroup_procs_write_finish+0xf0/0xf0 [ 727.785985] ? find_held_lock+0x36/0x1c0 [ 727.790071] shrink_node+0x431/0x16b0 [ 727.793873] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 727.799176] ? shrink_node_memcg+0x18f0/0x18f0 [ 727.803763] ? kvm_clock_read+0x18/0x30 [ 727.807742] ? ktime_get+0x2c1/0x400 [ 727.811463] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 727.815966] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.821506] ? __cpuset_node_allowed+0x19b/0x660 [ 727.826268] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 727.832004] ? delayacct_end+0x5a/0x100 [ 727.835992] do_try_to_free_pages+0x3e7/0x1290 [ 727.840579] ? zap_class+0x640/0x640 [ 727.844378] ? shrink_node+0x16b0/0x16b0 [ 727.848461] ? __lock_is_held+0xb5/0x140 [ 727.852541] try_to_free_pages+0x4d0/0xb90 [ 727.856785] ? do_try_to_free_pages+0x1290/0x1290 [ 727.861674] ? lock_acquire+0x1ed/0x520 [ 727.865678] ? set_page_refcounted+0x280/0x280 [ 727.870268] ? lock_release+0xa00/0xa00 [ 727.874256] ? _raw_spin_unlock_irq+0x60/0x80 [ 727.878755] ? psi_memstall_enter+0x240/0x2b0 [ 727.883250] ? psi_memstall_tick+0x230/0x230 [ 727.887676] __alloc_pages_slowpath+0xa48/0x2de0 [ 727.892464] ? warn_alloc+0x120/0x120 [ 727.896276] ? mark_held_locks+0x130/0x130 [ 727.900529] ? find_get_entry+0xaae/0x1120 [ 727.904783] ? filemap_map_pages+0x1a20/0x1a20 [ 727.909370] ? zap_class+0x640/0x640 [ 727.913090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.918630] ? check_preemption_disabled+0x48/0x280 [ 727.923651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.929192] ? should_fail+0x22d/0xd01 [ 727.933092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.938202] ? zap_class+0x640/0x640 [ 727.941947] ? __lock_is_held+0xb5/0x140 [ 727.946018] ? mark_held_locks+0x130/0x130 [ 727.950254] ? lock_release+0xa00/0xa00 [ 727.954243] ? perf_trace_sched_process_exec+0x860/0x860 [ 727.959696] ? xa_load+0x2ba/0x460 [ 727.963488] ? lock_downgrade+0x900/0x900 [ 727.967644] ? __might_sleep+0x95/0x190 [ 727.971629] __alloc_pages_nodemask+0xad8/0xea0 [ 727.976329] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 727.981360] ? __page_cache_alloc+0x191/0x5c0 [ 727.985857] ? xa_load+0x2e1/0x460 [ 727.989401] ? xa_clear_mark+0x40/0x40 [ 727.993305] ? zap_class+0x640/0x640 [ 727.997036] ? zap_class+0x640/0x640 [ 728.000754] ? zap_class+0x640/0x640 [ 728.004471] ? __do_page_cache_readahead+0x663/0x810 [ 728.009587] ? find_held_lock+0x36/0x1c0 [ 728.013656] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 728.019207] alloc_pages_current+0x173/0x350 [ 728.023627] __page_cache_alloc+0x38c/0x5c0 [ 728.027953] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 728.032883] ? kasan_check_read+0x11/0x20 [ 728.037033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.042327] ? generic_perform_write+0x6a0/0x6a0 [ 728.047084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.052623] ? check_preemption_disabled+0x48/0x280 [ 728.057646] filemap_fault+0x1595/0x25f0 [ 728.061750] ? __lock_page_or_retry+0xa00/0xa00 [ 728.066427] ? mark_held_locks+0x130/0x130 [ 728.070672] ? filemap_map_pages+0xd6b/0x1a20 [ 728.075170] ? lock_downgrade+0x900/0x900 [ 728.079324] ? check_preemption_disabled+0x48/0x280 [ 728.084349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 728.089279] ? kasan_check_read+0x11/0x20 [ 728.093437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.098884] ? rcu_softirq_qs+0x20/0x20 [ 728.102904] ? filemap_map_pages+0xd92/0x1a20 [ 728.107438] ? find_get_entries_tag+0x1400/0x1400 [ 728.112320] ? debug_object_destroy+0x2b0/0x2b0 [ 728.116997] ? lock_pi_update_atomic+0x150/0x150 [ 728.121754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.127312] ? lock_acquire+0x1ed/0x520 [ 728.131289] ? ext4_filemap_fault+0x7a/0xad [ 728.135642] ? lock_release+0xa00/0xa00 [ 728.139615] ? perf_trace_sched_process_exec+0x860/0x860 [ 728.145065] ? print_usage_bug+0xc0/0xc0 [ 728.149129] ? print_usage_bug+0xc0/0xc0 [ 728.153209] ? down_read+0x8d/0x120 [ 728.156835] ? ext4_filemap_fault+0x7a/0xad [ 728.161161] ? __down_interruptible+0x700/0x700 [ 728.165846] ext4_filemap_fault+0x82/0xad [ 728.170000] __do_fault+0x100/0x6b0 [ 728.173628] ? release_sock+0x1ec/0x2c0 [ 728.177614] ? pmd_devmap_trans_unstable+0x220/0x220 [ 728.182721] ? mark_held_locks+0x130/0x130 [ 728.186957] ? mark_held_locks+0x130/0x130 [ 728.191200] ? lock_sock_nested+0x9a/0x120 [ 728.195438] ? __release_sock+0x3a0/0x3a0 [ 728.199600] ? __local_bh_enable_ip+0x160/0x260 [ 728.204280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.209836] __handle_mm_fault+0x3ea0/0x5be0 [ 728.214257] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 728.219097] ? apparmor_socket_sendmsg+0x29/0x30 [ 728.223872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.229414] ? security_socket_sendmsg+0x94/0xc0 [ 728.234181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.239737] ? zap_class+0x640/0x640 [ 728.243453] ? zap_class+0x640/0x640 [ 728.247169] ? __x64_sys_futex+0x53e/0x6a0 [ 728.251413] ? find_held_lock+0x36/0x1c0 [ 728.255533] ? handle_mm_fault+0x42a/0xc70 [ 728.259775] ? lock_downgrade+0x900/0x900 [ 728.263927] ? check_preemption_disabled+0x48/0x280 [ 728.268960] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 728.273902] ? kasan_check_read+0x11/0x20 [ 728.278050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.283348] ? rcu_softirq_qs+0x20/0x20 [ 728.287331] ? trace_hardirqs_off_caller+0x310/0x310 [ 728.292437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.297976] ? check_preemption_disabled+0x48/0x280 [ 728.302998] handle_mm_fault+0x54f/0xc70 [ 728.307063] ? __handle_mm_fault+0x5be0/0x5be0 [ 728.311649] ? find_vma+0x34/0x190 [ 728.315231] __do_page_fault+0x5e8/0xe60 [ 728.319289] ? trace_hardirqs_off+0xb8/0x310 [ 728.323734] ? __ia32_sys_read+0xb0/0xb0 [ 728.327820] do_page_fault+0xf2/0x7e0 [ 728.331623] ? vmalloc_sync_all+0x30/0x30 [ 728.335775] ? error_entry+0x70/0xd0 [ 728.339489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.344522] ? trace_hardirqs_on_caller+0xc0/0x310 [ 728.349455] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.354401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.359244] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.364263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 728.369723] ? prepare_exit_to_usermode+0x291/0x3b0 [ 728.374740] ? page_fault+0x8/0x30 [ 728.378280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.383163] ? page_fault+0x8/0x30 [ 728.386707] page_fault+0x1e/0x30 [ 728.390157] RIP: 0033:0x45ddf3 [ 728.393371] Code: Bad RIP value. [ 728.396735] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 728.402108] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 728.409378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 728.416647] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 728.423930] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 728.431197] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 728.438494] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 728.438499] warn_alloc_show_mem: 1 callbacks suppressed [ 728.438520] Mem-Info: [ 728.445820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.445829] Call Trace: [ 728.451199] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 728.451199] active_file:13 inactive_file:14 isolated_file:0 [ 728.451199] unevictable:0 dirty:0 writeback:0 unstable:0 [ 728.451199] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 728.451199] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 728.451199] free:13773 free_pcp:174 free_cma:0 [ 728.453573] <IRQ> [ 728.462935] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 728.465521] dump_stack+0x244/0x39d [ 728.498461] 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 [ 728.500613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.528088] lowmem_reserve[]: 0 2818 6321 6321 [ 728.531724] warn_alloc.cold.116+0xb7/0x1bd [ 728.557799] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 728.562980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.567537] lowmem_reserve[]: 0 0 3503 3503 [ 728.571863] ? lock_downgrade+0x900/0x900 [ 728.599337] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 728.604193] ? trace_hardirqs_off+0xb8/0x310 [ 728.608499] lowmem_reserve[]: 0 0 0 0 [ 728.612643] ? trace_hardirqs_off+0xb8/0x310 [ 728.641505] 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 [ 728.645911] __alloc_pages_slowpath+0x2651/0x2de0 [ 728.649685] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 728.654116] ? warn_alloc+0x120/0x120 [ 728.667613] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 728.672450] ? warn_alloc+0x120/0x120 [ 728.688383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.692172] ? lock_downgrade+0x900/0x900 [ 728.705803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.709595] ? warn_alloc+0x120/0x120 [ 728.718408] 271 total pagecache pages [ 728.722546] ? print_usage_bug+0xc0/0xc0 [ 728.731117] 0 pages in swap cache [ 728.734904] ? trace_hardirqs_off+0xb8/0x310 [ 728.738688] Swap cache stats: add 0, delete 0, find 0/0 [ 728.742738] ? print_usage_bug+0xc0/0xc0 [ 728.746163] Free swap = 0kB [ 728.750572] ? trace_hardirqs_off+0xb8/0x310 [ 728.755912] Total swap = 0kB [ 728.759973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.762962] 1965979 pages RAM [ 728.767363] ? should_fail+0x22d/0xd01 [ 728.770377] 0 pages HighMem/MovableOnly [ 728.775906] ? __alloc_pages_slowpath+0x2651/0x2de0 [ 728.778985] 342854 pages reserved [ 728.782909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.786858] 0 pages cma reserved [ 728.791863] ? __lock_acquire+0x62f/0x4c20 [ 728.795364] aoe: skb alloc failure [ 728.800410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.803817] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.808001] ? __lock_acquire+0x62f/0x4c20 [ 728.811517] syz-fuzzer cpuset=/ mems_allowed=0 [ 728.816612] ? should_fail+0x22d/0xd01 [ 728.839487] ? mark_held_locks+0x130/0x130 [ 728.843726] ? mark_held_locks+0x130/0x130 [ 728.847963] ? warn_alloc+0x120/0x120 [ 728.851759] ? __bfs+0x321/0x780 [ 728.855122] ? zap_class+0x640/0x640 [ 728.858871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.864406] ? check_preemption_disabled+0x48/0x280 [ 728.869431] ? __lock_is_held+0xb5/0x140 [ 728.873503] __alloc_pages_nodemask+0xad8/0xea0 [ 728.878184] ? zap_class+0x640/0x640 [ 728.881907] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 728.886934] ? find_held_lock+0x36/0x1c0 [ 728.891003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 728.895671] ? lock_downgrade+0x900/0x900 [ 728.899827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.905372] cache_grow_begin+0xa5/0x8c0 [ 728.909432] ? do_raw_spin_unlock+0xa7/0x330 [ 728.913850] fallback_alloc+0x204/0x2e0 [ 728.917848] ____cache_alloc_node+0x1c7/0x1e0 [ 728.922362] kmem_cache_alloc+0x1f8/0x730 [ 728.926535] __build_skb+0xab/0x430 [ 728.930178] ? skb_try_coalesce+0x1b70/0x1b70 [ 728.934675] ? trace_hardirqs_on+0xbd/0x310 [ 728.939030] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 728.944576] ? trace_hardirqs_off_caller+0x310/0x310 [ 728.949742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.955283] ? check_preemption_disabled+0x48/0x280 [ 728.960319] __netdev_alloc_skb+0x2b5/0x450 [ 728.964651] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 728.970021] ? br_send_bpdu_finish+0x20/0x20 [ 728.974459] ? mark_held_locks+0x130/0x130 [ 728.978696] ? __lock_acquire+0x62f/0x4c20 [ 728.982933] ? mod_timer_pending+0x1640/0x1640 [ 728.987517] ? kmem_cache_alloc_node+0x349/0x730 [ 728.992279] br_send_config_bpdu+0xc9d/0x10a0 [ 728.996786] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 729.002426] br_transmit_config+0x8cd/0xbb0 [ 729.006754] ? br_get_port+0x280/0x280 [ 729.010650] ? lock_acquire+0x1ed/0x520 [ 729.014624] ? br_hello_timer_expired+0x20/0x190 [ 729.019387] ? kasan_check_read+0x11/0x20 [ 729.023554] br_config_bpdu_generation+0x16a/0x1c0 [ 729.028499] br_hello_timer_expired+0xa9/0x190 [ 729.033088] call_timer_fn+0x272/0x920 [ 729.036978] ? br_is_root_bridge+0x40/0x40 [ 729.041213] ? process_timeout+0x40/0x40 [ 729.045284] ? __run_timers+0x7da/0xc70 [ 729.049274] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.053796] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.058309] ? br_is_root_bridge+0x40/0x40 [ 729.062544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 729.067132] ? trace_hardirqs_on+0xbd/0x310 [ 729.071451] ? kasan_check_read+0x11/0x20 [ 729.075600] ? __run_timers+0x7da/0xc70 [ 729.079576] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.084694] ? br_is_root_bridge+0x40/0x40 [ 729.088930] __run_timers+0x7e5/0xc70 [ 729.092743] ? timer_fixup_init+0x70/0x70 [ 729.096910] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 729.101927] ? zap_class+0x640/0x640 [ 729.105644] ? enqueue_hrtimer+0x1a5/0x560 [ 729.109883] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 729.115089] ? find_held_lock+0x36/0x1c0 [ 729.120046] ? zap_class+0x640/0x640 [ 729.123801] ? pvclock_read_flags+0x160/0x160 [ 729.128308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.133906] ? check_preemption_disabled+0x48/0x280 [ 729.138934] ? __lock_is_held+0xb5/0x140 [ 729.142998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.148534] ? check_preemption_disabled+0x48/0x280 [ 729.153556] run_timer_softirq+0x52/0xb0 [ 729.157622] ? rcu_read_lock_sched_held+0x14f/0x180 [ 729.162675] __do_softirq+0x308/0xb7e [ 729.166480] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 729.170986] ? lock_downgrade+0x900/0x900 [ 729.175137] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 729.180247] ? pvclock_read_flags+0x160/0x160 [ 729.184748] ? lapic_next_event+0x5a/0x90 [ 729.188898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.194440] ? kvm_clock_read+0x18/0x30 [ 729.198418] ? kvm_sched_clock_read+0x9/0x20 [ 729.202828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.208367] ? check_preemption_disabled+0x48/0x280 [ 729.213415] irq_exit+0x17f/0x1c0 [ 729.216906] smp_apic_timer_interrupt+0x1cb/0x760 [ 729.221761] ? smp_reschedule_interrupt+0x109/0x650 [ 729.226797] ? smp_call_function_single_interrupt+0x650/0x650 [ 729.232699] ? interrupt_entry+0xb5/0xc0 [ 729.236766] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.241785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.246816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.251662] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.256676] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.261706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.266570] apic_timer_interrupt+0xf/0x20 [ 729.270811] </IRQ> [ 729.273049] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 729.278969] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 729.297869] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 729.305586] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 729.312857] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 729.320131] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 729.327407] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 729.334683] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 729.341991] ? save_stack+0xa9/0xd0 [ 729.345631] __kmalloc_node_track_caller+0x3c/0x70 [ 729.350570] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 729.355339] pskb_expand_head+0x230/0x10f0 [ 729.359582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 729.365039] ? memcpy+0x45/0x50 [ 729.368334] ? __copy_skb_header+0x350/0x6b0 [ 729.372762] ? skb_release_data+0x880/0x880 [ 729.377098] ? __alloc_skb+0x770/0x770 [ 729.380997] ? __lock_is_held+0xb5/0x140 [ 729.385158] ? kasan_check_write+0x14/0x20 [ 729.389391] ? __skb_clone+0x6c7/0xa00 [ 729.393282] ? __copy_skb_header+0x6b0/0x6b0 [ 729.397700] ? kmem_cache_alloc+0x33a/0x730 [ 729.402028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.407580] skb_ensure_writable+0x3dd/0x640 [ 729.411998] ? skb_checksum_setup+0xaa0/0xaa0 [ 729.416499] ? preempt_notifier_register+0x200/0x200 [ 729.421605] ? __switch_to_asm+0x34/0x70 [ 729.425669] ? __switch_to_asm+0x34/0x70 [ 729.429726] ? __switch_to_asm+0x40/0x70 [ 729.433787] ? __switch_to_asm+0x34/0x70 [ 729.437845] ? __switch_to_asm+0x40/0x70 [ 729.441905] ? __switch_to_asm+0x40/0x70 [ 729.445977] ? __switch_to_asm+0x34/0x70 [ 729.450037] ? __switch_to_asm+0x34/0x70 [ 729.454113] ? __switch_to_asm+0x40/0x70 [ 729.458172] ? __switch_to_asm+0x34/0x70 [ 729.462251] bpf_clone_redirect+0x14a/0x490 [ 729.466623] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 729.471681] ? __sched_text_start+0x8/0x8 [ 729.475830] ? retint_kernel+0x2d/0x2d [ 729.479727] ? find_held_lock+0x36/0x1c0 [ 729.483802] ? lock_acquire+0x1ed/0x520 [ 729.487781] ? bpf_test_run+0x3cb/0x780 [ 729.491787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.497337] ? check_preemption_disabled+0x48/0x280 [ 729.502389] ? kasan_check_read+0x11/0x20 [ 729.506541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.511820] ? rcu_softirq_qs+0x20/0x20 [ 729.515801] ? preempt_schedule+0x4d/0x60 [ 729.519954] ? ___preempt_schedule+0x16/0x18 [ 729.524373] ? bpf_test_run+0x25d/0x780 [ 729.528360] ? netlink_diag_dump+0x2a0/0x2a0 [ 729.532774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.538318] ? bpf_test_init.isra.10+0x70/0x100 [ 729.542996] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 729.547765] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 729.552610] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 729.558164] ? fput+0x130/0x1a0 [ 729.561448] ? __bpf_prog_get+0x9b/0x290 [ 729.565517] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 729.570364] ? bpf_prog_test_run+0x130/0x1a0 [ 729.574777] ? __x64_sys_bpf+0x3d8/0x520 [ 729.578839] ? bpf_prog_get+0x20/0x20 [ 729.582663] ? do_syscall_64+0x1b9/0x820 [ 729.586724] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 729.592093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 729.597026] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.602051] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 729.607080] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 729.613747] ? __switch_to_asm+0x40/0x70 [ 729.617805] ? __switch_to_asm+0x34/0x70 [ 729.621871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.626721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 729.632109] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 729.632234] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 729.639136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.649605] syz-executor3 cpuset=syz3 mems_allowed=0 [ 729.658947] Call Trace: [ 729.666600] <IRQ> [ 729.668754] dump_stack+0x244/0x39d [ 729.672392] ? dump_stack_print_info.cold.1+0x20/0x20 [ 729.677602] warn_alloc.cold.116+0xb7/0x1bd [ 729.681925] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 729.686774] ? lock_downgrade+0x900/0x900 [ 729.690931] ? trace_hardirqs_off+0xb8/0x310 [ 729.695347] ? trace_hardirqs_off+0xb8/0x310 [ 729.699768] __alloc_pages_slowpath+0x2651/0x2de0 [ 729.704640] ? warn_alloc+0x120/0x120 [ 729.708448] ? warn_alloc+0x120/0x120 [ 729.712257] ? warn_alloc+0x120/0x120 [ 729.716065] ? print_usage_bug+0xc0/0xc0 [ 729.720134] ? print_usage_bug+0xc0/0xc0 [ 729.724199] ? ktime_get+0x2c1/0x400 [ 729.727920] ? check_preemption_disabled+0x48/0x280 [ 729.732936] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 729.737436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.742973] ? should_fail+0x22d/0xd01 [ 729.746863] ? kasan_check_read+0x11/0x20 [ 729.751012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.756124] ? __lock_acquire+0x62f/0x4c20 [ 729.760367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.765471] ? should_fail+0x22d/0xd01 [ 729.769363] ? print_usage_bug+0xc0/0xc0 [ 729.773432] ? mark_held_locks+0x130/0x130 [ 729.777672] ? mark_held_locks+0x130/0x130 [ 729.781911] ? check_preemption_disabled+0x48/0x280 [ 729.786941] ? zap_class+0x640/0x640 [ 729.790657] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 729.795416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.800958] ? check_preemption_disabled+0x48/0x280 [ 729.805983] ? __lock_is_held+0xb5/0x140 [ 729.810093] __alloc_pages_nodemask+0xad8/0xea0 [ 729.814766] ? zap_class+0x640/0x640 [ 729.818486] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 729.823519] ? find_held_lock+0x36/0x1c0 [ 729.827601] ? ____cache_alloc_node+0x1c7/0x1e0 [ 729.832271] ? lock_downgrade+0x900/0x900 [ 729.836436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.841983] cache_grow_begin+0xa5/0x8c0 [ 729.846048] ? do_raw_spin_unlock+0xa7/0x330 [ 729.850469] fallback_alloc+0x204/0x2e0 [ 729.854449] ____cache_alloc_node+0x1c7/0x1e0 [ 729.858984] kmem_cache_alloc_node+0xe3/0x730 [ 729.863482] ? lockdep_hardirqs_on+0x296/0x5b0 [ 729.868072] __alloc_skb+0x119/0x770 [ 729.871790] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 729.877161] ? netdev_alloc_frag+0x1f0/0x1f0 [ 729.881585] ? vprintk_default+0x28/0x30 [ 729.885648] ? vprintk_func+0x85/0x181 [ 729.889539] ? printk+0xa7/0xcf [ 729.892826] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 729.897601] new_skb+0x26/0x1c0 [ 729.900882] aoecmd_cfg+0x279/0x7f0 [ 729.904513] ? find_held_lock+0x36/0x1c0 [ 729.908581] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 729.912916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.918466] ? __lock_is_held+0xb5/0x140 [ 729.922539] discover_timer+0x50/0x60 [ 729.926384] call_timer_fn+0x272/0x920 [ 729.930286] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.935148] ? process_timeout+0x40/0x40 [ 729.939216] ? mark_held_locks+0xc7/0x130 [ 729.943369] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.947862] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.952359] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.957201] ? lockdep_hardirqs_on+0x296/0x5b0 [ 729.961791] ? trace_hardirqs_on+0xbd/0x310 [ 729.966357] ? kasan_check_read+0x11/0x20 [ 729.970510] ? __run_timers+0x7da/0xc70 [ 729.974486] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.979603] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 729.984445] __run_timers+0x7e5/0xc70 [ 729.988267] ? timer_fixup_init+0x70/0x70 [ 729.992429] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 729.997446] ? zap_class+0x640/0x640 [ 730.001166] ? print_usage_bug+0xc0/0xc0 [ 730.005231] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 730.010427] ? find_held_lock+0x36/0x1c0 [ 730.014497] ? zap_class+0x640/0x640 [ 730.018219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.023772] ? check_preemption_disabled+0x48/0x280 [ 730.028818] ? __lock_is_held+0xb5/0x140 [ 730.032885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.038426] ? check_preemption_disabled+0x48/0x280 [ 730.043453] run_timer_softirq+0x52/0xb0 [ 730.047518] ? rcu_read_lock_sched_held+0x14f/0x180 [ 730.052544] __do_softirq+0x308/0xb7e [ 730.056364] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 730.060872] ? lock_downgrade+0x900/0x900 [ 730.065039] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 730.070151] ? pvclock_read_flags+0x160/0x160 [ 730.074664] ? lapic_next_event+0x5a/0x90 [ 730.078815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.084365] ? kvm_clock_read+0x18/0x30 [ 730.088362] ? kvm_sched_clock_read+0x9/0x20 [ 730.092778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.098570] ? check_preemption_disabled+0x48/0x280 [ 730.103600] irq_exit+0x17f/0x1c0 [ 730.107057] smp_apic_timer_interrupt+0x1cb/0x760 [ 730.111899] ? smp_call_function_single_interrupt+0x159/0x650 [ 730.117785] ? smp_call_function_single_interrupt+0x650/0x650 [ 730.123671] ? interrupt_entry+0xb5/0xc0 [ 730.127740] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.132758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.137806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.142649] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.147669] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.152685] ? task_prio+0x50/0x50 [ 730.156224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.161763] ? check_preemption_disabled+0x48/0x280 [ 730.166784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.171638] apic_timer_interrupt+0xf/0x20 [ 730.175864] </IRQ> [ 730.178110] RIP: 0010:rcu_is_watching+0x0/0x30 [ 730.182871] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 730.201775] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 730.209483] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 730.216751] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 730.224016] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 730.231284] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 730.238579] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 730.245882] ? list_lru_count_one+0x253/0x450 [ 730.250375] ? list_lru_count_one+0x35d/0x450 [ 730.254876] ? list_lru_count_one+0x362/0x450 [ 730.259372] ? list_lru_isolate_move+0x3c0/0x3c0 [ 730.264123] ? shmem_free_inode+0xd0/0xd0 [ 730.268277] ? __lock_is_held+0xb5/0x140 [ 730.272358] super_cache_count+0x1b9/0x2e0 [ 730.276596] do_shrink_slab+0x1b1/0xd30 [ 730.280584] ? snapshot_refaults+0x290/0x290 [ 730.284996] ? lock_release+0xa00/0xa00 [ 730.288981] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 730.293921] ? down_read_trylock+0xda/0x140 [ 730.298250] ? shrink_slab+0x207/0x8c0 [ 730.302137] ? downgrade_write+0x270/0x270 [ 730.306412] shrink_slab+0x389/0x8c0 [ 730.310130] ? shrink_active_list+0x1f00/0x1f00 [ 730.314811] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 730.320474] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 730.325605] ? cgroup_procs_write_finish+0xf0/0xf0 [ 730.330543] ? find_held_lock+0x36/0x1c0 [ 730.334623] shrink_node+0x431/0x16b0 [ 730.338426] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 730.343760] ? shrink_node_memcg+0x18f0/0x18f0 [ 730.348354] ? kvm_clock_read+0x18/0x30 [ 730.352328] ? ktime_get+0x2c1/0x400 [ 730.356063] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 730.360585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 730.366125] ? __cpuset_node_allowed+0x19b/0x660 [ 730.370884] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 730.376601] ? delayacct_end+0x5a/0x100 [ 730.380587] do_try_to_free_pages+0x3e7/0x1290 [ 730.385172] ? zap_class+0x640/0x640 [ 730.388907] ? shrink_node+0x16b0/0x16b0 [ 730.392986] ? __lock_is_held+0xb5/0x140 [ 730.397089] try_to_free_pages+0x4d0/0xb90 [ 730.401332] ? do_try_to_free_pages+0x1290/0x1290 [ 730.406187] ? lock_acquire+0x1ed/0x520 [ 730.410178] ? set_page_refcounted+0x280/0x280 [ 730.414770] ? lock_release+0xa00/0xa00 [ 730.418745] ? _raw_spin_unlock_irq+0x60/0x80 [ 730.423240] ? psi_memstall_enter+0x240/0x2b0 [ 730.427735] ? psi_memstall_tick+0x230/0x230 [ 730.432169] __alloc_pages_slowpath+0xa48/0x2de0 [ 730.436955] ? warn_alloc+0x120/0x120 [ 730.440756] ? mark_held_locks+0x130/0x130 [ 730.445028] ? find_get_entry+0xaae/0x1120 [ 730.449323] ? filemap_map_pages+0x1a20/0x1a20 [ 730.453910] ? zap_class+0x640/0x640 [ 730.457628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.463166] ? check_preemption_disabled+0x48/0x280 [ 730.468185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.473727] ? should_fail+0x22d/0xd01 [ 730.477623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.482728] ? zap_class+0x640/0x640 [ 730.486469] ? __lock_is_held+0xb5/0x140 [ 730.490575] ? mark_held_locks+0x130/0x130 [ 730.494830] ? lock_release+0xa00/0xa00 [ 730.498804] ? perf_trace_sched_process_exec+0x860/0x860 [ 730.504251] ? xa_load+0x2ba/0x460 [ 730.507791] ? lock_downgrade+0x900/0x900 [ 730.511945] ? __might_sleep+0x95/0x190 [ 730.515954] __alloc_pages_nodemask+0xad8/0xea0 [ 730.520651] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 730.525714] ? __page_cache_alloc+0x191/0x5c0 [ 730.530232] ? xa_load+0x2e1/0x460 [ 730.533774] ? xa_clear_mark+0x40/0x40 [ 730.537662] ? zap_class+0x640/0x640 [ 730.541386] ? zap_class+0x640/0x640 [ 730.545101] ? zap_class+0x640/0x640 [ 730.548810] ? __do_page_cache_readahead+0x663/0x810 [ 730.553918] ? find_held_lock+0x36/0x1c0 [ 730.557998] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 730.563608] alloc_pages_current+0x173/0x350 [ 730.568038] __page_cache_alloc+0x38c/0x5c0 [ 730.572354] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 730.577279] ? kasan_check_read+0x11/0x20 [ 730.581451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.586726] ? generic_perform_write+0x6a0/0x6a0 [ 730.591484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.597024] ? check_preemption_disabled+0x48/0x280 [ 730.602048] filemap_fault+0x1595/0x25f0 [ 730.606120] ? __lock_page_or_retry+0xa00/0xa00 [ 730.610791] ? mark_held_locks+0x130/0x130 [ 730.615064] ? filemap_map_pages+0xd6b/0x1a20 [ 730.619569] ? lock_downgrade+0x900/0x900 [ 730.623715] ? check_preemption_disabled+0x48/0x280 [ 730.628736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 730.633665] ? kasan_check_read+0x11/0x20 [ 730.637812] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.643095] ? rcu_softirq_qs+0x20/0x20 [ 730.647085] ? filemap_map_pages+0xd92/0x1a20 [ 730.651600] ? find_get_entries_tag+0x1400/0x1400 [ 730.656451] ? debug_object_destroy+0x2b0/0x2b0 [ 730.661128] ? lock_pi_update_atomic+0x150/0x150 [ 730.665886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.671450] ? lock_acquire+0x1ed/0x520 [ 730.675427] ? ext4_filemap_fault+0x7a/0xad [ 730.679760] ? lock_release+0xa00/0xa00 [ 730.683733] ? perf_trace_sched_process_exec+0x860/0x860 [ 730.689186] ? print_usage_bug+0xc0/0xc0 [ 730.693247] ? print_usage_bug+0xc0/0xc0 [ 730.697329] ? down_read+0x8d/0x120 [ 730.700955] ? ext4_filemap_fault+0x7a/0xad [ 730.705276] ? __down_interruptible+0x700/0x700 [ 730.709964] ext4_filemap_fault+0x82/0xad [ 730.714113] __do_fault+0x100/0x6b0 [ 730.717740] ? release_sock+0x1ec/0x2c0 [ 730.721717] ? pmd_devmap_trans_unstable+0x220/0x220 [ 730.726827] ? mark_held_locks+0x130/0x130 [ 730.731061] ? mark_held_locks+0x130/0x130 [ 730.735303] ? lock_sock_nested+0x9a/0x120 [ 730.739538] ? __release_sock+0x3a0/0x3a0 [ 730.743705] ? __local_bh_enable_ip+0x160/0x260 [ 730.748395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.753985] __handle_mm_fault+0x3ea0/0x5be0 [ 730.758404] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 730.763248] ? apparmor_socket_sendmsg+0x29/0x30 [ 730.768003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.773541] ? security_socket_sendmsg+0x94/0xc0 [ 730.778331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.783889] ? zap_class+0x640/0x640 [ 730.787604] ? zap_class+0x640/0x640 [ 730.791323] ? __x64_sys_futex+0x53e/0x6a0 [ 730.795571] ? find_held_lock+0x36/0x1c0 [ 730.799646] ? handle_mm_fault+0x42a/0xc70 [ 730.803881] ? lock_downgrade+0x900/0x900 [ 730.808034] ? check_preemption_disabled+0x48/0x280 [ 730.813054] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 730.817983] ? kasan_check_read+0x11/0x20 [ 730.822136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.827411] ? rcu_softirq_qs+0x20/0x20 [ 730.831388] ? trace_hardirqs_off_caller+0x310/0x310 [ 730.836493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.842034] ? check_preemption_disabled+0x48/0x280 [ 730.847069] handle_mm_fault+0x54f/0xc70 [ 730.851173] ? __handle_mm_fault+0x5be0/0x5be0 [ 730.855765] ? find_vma+0x34/0x190 [ 730.859324] __do_page_fault+0x5e8/0xe60 [ 730.863389] ? trace_hardirqs_off+0xb8/0x310 [ 730.867796] ? __ia32_sys_read+0xb0/0xb0 [ 730.871870] do_page_fault+0xf2/0x7e0 [ 730.875675] ? vmalloc_sync_all+0x30/0x30 [ 730.879829] ? error_entry+0x70/0xd0 [ 730.883543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.888567] ? trace_hardirqs_on_caller+0xc0/0x310 [ 730.893499] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.898432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.903276] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.908319] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 730.913791] ? prepare_exit_to_usermode+0x291/0x3b0 [ 730.918811] ? page_fault+0x8/0x30 [ 730.922370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.927217] ? page_fault+0x8/0x30 [ 730.930759] page_fault+0x1e/0x30 [ 730.934208] RIP: 0033:0x45ddf3 [ 730.937415] Code: Bad RIP value. [ 730.940776] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 730.946150] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 730.953420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 730.960684] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 730.968055] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 730.975326] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 730.982622] warn_alloc_show_mem: 1 callbacks suppressed [ 730.982635] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 730.982637] Mem-Info: [ 730.982667] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 730.982667] active_file:13 inactive_file:14 isolated_file:0 [ 730.982667] unevictable:0 dirty:0 writeback:0 unstable:0 [ 730.982667] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 730.982667] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 730.982667] free:13773 free_pcp:174 free_cma:0 [ 730.988006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.988026] Call Trace: [ 730.995316] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 730.997714] <IRQ> [ 731.030674] 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 [ 731.040208] dump_stack+0x244/0x39d [ 731.042764] lowmem_reserve[]: 0 2818 6321 6321 [ 731.070269] ? dump_stack_print_info.cold.1+0x20/0x20 [ 731.072388] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 731.098505] warn_alloc.cold.116+0xb7/0x1bd [ 731.102093] lowmem_reserve[]: 0 0 3503 3503 [ 731.106671] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 731.111833] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 731.139362] ? lock_downgrade+0x900/0x900 [ 731.143659] lowmem_reserve[]: 0 0 0 0 [ 731.147981] ? trace_hardirqs_off+0xb8/0x310 [ 731.152792] 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 [ 731.181684] ? trace_hardirqs_off+0xb8/0x310 [ 731.185809] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 731.189609] __alloc_pages_slowpath+0x2651/0x2de0 [ 731.193992] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 731.207538] ? warn_alloc+0x120/0x120 [ 731.211902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 731.227846] ? warn_alloc+0x120/0x120 [ 731.232667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 731.246271] ? warn_alloc+0x120/0x120 [ 731.250045] 271 total pagecache pages [ 731.258877] ? print_usage_bug+0xc0/0xc0 [ 731.262658] 0 pages in swap cache [ 731.271222] ? enqueue_hrtimer+0x1a5/0x560 [ 731.274997] Swap cache stats: add 0, delete 0, find 0/0 [ 731.278789] ? print_usage_bug+0xc0/0xc0 [ 731.282822] Free swap = 0kB [ 731.286279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.290502] Total swap = 0kB [ 731.295864] ? print_usage_bug+0xc0/0xc0 [ 731.299898] 1965979 pages RAM [ 731.302909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.308156] 0 pages HighMem/MovableOnly [ 731.311169] ? should_fail+0x22d/0xd01 [ 731.315196] 342854 pages reserved [ 731.315205] 0 pages cma reserved [ 731.318319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 731.323920] aoe: skb alloc failure [ 731.327800] ? __lock_acquire+0x62f/0x4c20 [ 731.331707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 731.335124] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 731.338466] syz-fuzzer cpuset=/ mems_allowed=0 [ 731.343564] ? __lock_acquire+0x62f/0x4c20 [ 731.375395] ? should_fail+0x22d/0xd01 [ 731.379305] ? mark_held_locks+0x130/0x130 [ 731.383553] ? mark_held_locks+0x130/0x130 [ 731.387794] ? mark_held_locks+0x130/0x130 [ 731.392032] ? zap_class+0x640/0x640 [ 731.395766] ? check_preemption_disabled+0x48/0x280 [ 731.400779] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 731.405280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.410829] ? check_preemption_disabled+0x48/0x280 [ 731.415860] ? __lock_is_held+0xb5/0x140 [ 731.419930] __alloc_pages_nodemask+0xad8/0xea0 [ 731.424598] ? zap_class+0x640/0x640 [ 731.428325] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 731.433374] ? find_held_lock+0x36/0x1c0 [ 731.437449] ? ____cache_alloc_node+0x1c7/0x1e0 [ 731.442120] ? lock_downgrade+0x900/0x900 [ 731.446276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.451827] cache_grow_begin+0xa5/0x8c0 [ 731.455891] ? do_raw_spin_unlock+0xa7/0x330 [ 731.460315] fallback_alloc+0x204/0x2e0 [ 731.464305] ____cache_alloc_node+0x1c7/0x1e0 [ 731.468808] kmem_cache_alloc+0x1f8/0x730 [ 731.472972] __build_skb+0xab/0x430 [ 731.476600] ? skb_try_coalesce+0x1b70/0x1b70 [ 731.481122] ? trace_hardirqs_on+0xbd/0x310 [ 731.485446] ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 731.490988] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.496093] ? mod_timer+0x631/0x1560 [ 731.499898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.505436] ? check_preemption_disabled+0x48/0x280 [ 731.510464] __netdev_alloc_skb+0x2b5/0x450 [ 731.514799] br_send_bpdu.isra.7.constprop.8+0xa8/0xc80 [ 731.520171] ? br_send_bpdu_finish+0x20/0x20 [ 731.524593] ? mark_held_locks+0x130/0x130 [ 731.528830] ? __lock_acquire+0x62f/0x4c20 [ 731.533074] ? mod_timer_pending+0x1640/0x1640 [ 731.537654] ? kmem_cache_alloc_node+0x349/0x730 [ 731.542420] br_send_config_bpdu+0xc9d/0x10a0 [ 731.546918] ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80 [ 731.552540] ? round_jiffies+0x11c/0x170 [ 731.556618] br_transmit_config+0x8cd/0xbb0 [ 731.560949] ? br_get_port+0x280/0x280 [ 731.564836] ? lock_acquire+0x1ed/0x520 [ 731.568810] ? br_hello_timer_expired+0x20/0x190 [ 731.573578] ? kasan_check_read+0x11/0x20 [ 731.577744] br_config_bpdu_generation+0x16a/0x1c0 [ 731.582682] br_hello_timer_expired+0xa9/0x190 [ 731.587268] call_timer_fn+0x272/0x920 [ 731.591166] ? br_is_root_bridge+0x40/0x40 [ 731.595420] ? process_timeout+0x40/0x40 [ 731.599487] ? __run_timers+0x7da/0xc70 [ 731.603465] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.607960] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.612450] ? br_is_root_bridge+0x40/0x40 [ 731.616691] ? lockdep_hardirqs_on+0x296/0x5b0 [ 731.621291] ? trace_hardirqs_on+0xbd/0x310 [ 731.625625] ? kasan_check_read+0x11/0x20 [ 731.629773] ? __run_timers+0x7da/0xc70 [ 731.633769] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.638883] ? br_is_root_bridge+0x40/0x40 [ 731.643115] __run_timers+0x7e5/0xc70 [ 731.646936] ? timer_fixup_init+0x70/0x70 [ 731.651091] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 731.656109] ? zap_class+0x640/0x640 [ 731.659845] ? enqueue_hrtimer+0x1a5/0x560 [ 731.664097] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.669305] ? find_held_lock+0x36/0x1c0 [ 731.673376] ? zap_class+0x640/0x640 [ 731.677096] ? pvclock_read_flags+0x160/0x160 [ 731.681595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.687146] ? check_preemption_disabled+0x48/0x280 [ 731.692186] ? __lock_is_held+0xb5/0x140 [ 731.696268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.701812] ? check_preemption_disabled+0x48/0x280 [ 731.706852] run_timer_softirq+0x52/0xb0 [ 731.710917] ? rcu_read_lock_sched_held+0x14f/0x180 [ 731.715946] __do_softirq+0x308/0xb7e [ 731.719770] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 731.724277] ? lock_downgrade+0x900/0x900 [ 731.728439] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 731.733572] ? pvclock_read_flags+0x160/0x160 [ 731.738077] ? lapic_next_event+0x5a/0x90 [ 731.742226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.747767] ? kvm_clock_read+0x18/0x30 [ 731.751740] ? kvm_sched_clock_read+0x9/0x20 [ 731.756149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.761691] ? check_preemption_disabled+0x48/0x280 [ 731.766713] irq_exit+0x17f/0x1c0 [ 731.770165] smp_apic_timer_interrupt+0x1cb/0x760 [ 731.775036] ? smp_reschedule_interrupt+0x109/0x650 [ 731.780062] ? smp_call_function_single_interrupt+0x650/0x650 [ 731.785951] ? interrupt_entry+0xb5/0xc0 [ 731.790017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.795043] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.800067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.804909] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.809928] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.814956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.819811] apic_timer_interrupt+0xf/0x20 [ 731.824040] </IRQ> [ 731.826289] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 731.832189] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 731.851089] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 731.858799] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 731.866083] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 731.873349] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 731.880619] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 731.887884] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 731.895200] ? save_stack+0xa9/0xd0 [ 731.898839] __kmalloc_node_track_caller+0x3c/0x70 [ 731.903775] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 731.908543] pskb_expand_head+0x230/0x10f0 [ 731.912786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 731.918246] ? memcpy+0x45/0x50 [ 731.921529] ? __copy_skb_header+0x350/0x6b0 [ 731.925942] ? skb_release_data+0x880/0x880 [ 731.930263] ? __alloc_skb+0x770/0x770 [ 731.934170] ? __lock_is_held+0xb5/0x140 [ 731.938238] ? kasan_check_write+0x14/0x20 [ 731.942473] ? __skb_clone+0x6c7/0xa00 [ 731.946366] ? __copy_skb_header+0x6b0/0x6b0 [ 731.950775] ? kmem_cache_alloc+0x33a/0x730 [ 731.955101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.960644] skb_ensure_writable+0x3dd/0x640 [ 731.965322] ? skb_checksum_setup+0xaa0/0xaa0 [ 731.969825] ? preempt_notifier_register+0x200/0x200 [ 731.974930] ? __switch_to_asm+0x34/0x70 [ 731.978989] ? __switch_to_asm+0x34/0x70 [ 731.983051] ? __switch_to_asm+0x40/0x70 [ 731.987118] ? __switch_to_asm+0x34/0x70 [ 731.991180] ? __switch_to_asm+0x40/0x70 [ 731.995242] ? __switch_to_asm+0x40/0x70 [ 731.999307] ? __switch_to_asm+0x34/0x70 [ 732.003370] ? __switch_to_asm+0x34/0x70 [ 732.007431] ? __switch_to_asm+0x40/0x70 [ 732.011494] ? __switch_to_asm+0x34/0x70 [ 732.015561] bpf_clone_redirect+0x14a/0x490 [ 732.019899] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 732.024920] ? __sched_text_start+0x8/0x8 [ 732.029072] ? retint_kernel+0x2d/0x2d [ 732.032969] ? find_held_lock+0x36/0x1c0 [ 732.037038] ? lock_acquire+0x1ed/0x520 [ 732.041020] ? bpf_test_run+0x3cb/0x780 [ 732.045004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.050546] ? check_preemption_disabled+0x48/0x280 [ 732.055572] ? kasan_check_read+0x11/0x20 [ 732.059720] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.064999] ? rcu_softirq_qs+0x20/0x20 [ 732.068977] ? preempt_schedule+0x4d/0x60 [ 732.073139] ? ___preempt_schedule+0x16/0x18 [ 732.077563] ? bpf_test_run+0x25d/0x780 [ 732.081550] ? netlink_diag_dump+0x2a0/0x2a0 [ 732.085961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.091498] ? bpf_test_init.isra.10+0x70/0x100 [ 732.096651] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 732.101421] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 732.106266] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.111813] ? fput+0x130/0x1a0 [ 732.115102] ? __bpf_prog_get+0x9b/0x290 [ 732.119165] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 732.124022] ? bpf_prog_test_run+0x130/0x1a0 [ 732.128441] ? __x64_sys_bpf+0x3d8/0x520 [ 732.132507] ? bpf_prog_get+0x20/0x20 [ 732.136340] ? do_syscall_64+0x1b9/0x820 [ 732.140404] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 732.145771] ? syscall_return_slowpath+0x5e0/0x5e0 [ 732.150731] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.155752] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 732.160774] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 732.167459] ? __switch_to_asm+0x40/0x70 [ 732.171518] ? __switch_to_asm+0x34/0x70 [ 732.175584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.180435] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.185838] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 732.186009] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.192853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.192862] Call Trace: [ 732.203339] syz-executor3 cpuset=syz3 mems_allowed=0 [ 732.212677] <IRQ> [ 732.222482] dump_stack+0x244/0x39d [ 732.226148] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.231357] warn_alloc.cold.116+0xb7/0x1bd [ 732.235679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.240526] ? lock_downgrade+0x900/0x900 [ 732.244689] ? trace_hardirqs_off+0xb8/0x310 [ 732.249106] ? trace_hardirqs_off+0xb8/0x310 [ 732.253526] __alloc_pages_slowpath+0x2651/0x2de0 [ 732.258405] ? warn_alloc+0x120/0x120 [ 732.262212] ? warn_alloc+0x120/0x120 [ 732.266014] ? __lock_acquire+0x62f/0x4c20 [ 732.270262] ? warn_alloc+0x120/0x120 [ 732.274071] ? print_usage_bug+0xc0/0xc0 [ 732.278159] ? print_usage_bug+0xc0/0xc0 [ 732.282242] ? mark_held_locks+0x130/0x130 [ 732.286486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.292040] ? should_fail+0x22d/0xd01 [ 732.295947] ? zap_class+0x640/0x640 [ 732.299667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.304770] ? __lock_acquire+0x62f/0x4c20 [ 732.309010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.314116] ? should_fail+0x22d/0xd01 [ 732.318017] ? mark_held_locks+0x130/0x130 [ 732.322607] ? mark_held_locks+0x130/0x130 [ 732.326842] ? lock_downgrade+0x900/0x900 [ 732.330988] ? zap_class+0x640/0x640 [ 732.334700] ? zap_class+0x640/0x640 [ 732.338434] ? zap_class+0x640/0x640 [ 732.342164] ? do_raw_spin_unlock+0xa7/0x330 [ 732.346579] ? trace_hardirqs_on+0x310/0x310 [ 732.350990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.356542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.362090] ? check_preemption_disabled+0x48/0x280 [ 732.367123] ? __lock_is_held+0xb5/0x140 [ 732.371194] __alloc_pages_nodemask+0xad8/0xea0 [ 732.375864] ? zap_class+0x640/0x640 [ 732.379585] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 732.384637] ? find_held_lock+0x36/0x1c0 [ 732.388721] ? ____cache_alloc_node+0x1c7/0x1e0 [ 732.393397] ? lock_downgrade+0x900/0x900 [ 732.397562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.403107] cache_grow_begin+0xa5/0x8c0 [ 732.407170] ? do_raw_spin_unlock+0xa7/0x330 [ 732.411589] fallback_alloc+0x204/0x2e0 [ 732.415578] ____cache_alloc_node+0x1c7/0x1e0 [ 732.420113] kmem_cache_alloc_node+0xe3/0x730 [ 732.424614] ? lockdep_hardirqs_on+0x296/0x5b0 [ 732.429223] __alloc_skb+0x119/0x770 [ 732.432939] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 732.438327] ? netdev_alloc_frag+0x1f0/0x1f0 [ 732.442755] ? vprintk_default+0x28/0x30 [ 732.446819] ? vprintk_func+0x85/0x181 [ 732.450713] ? printk+0xa7/0xcf [ 732.453997] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 732.458768] new_skb+0x26/0x1c0 [ 732.462051] aoecmd_cfg+0x279/0x7f0 [ 732.465711] ? find_held_lock+0x36/0x1c0 [ 732.469779] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 732.474106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.479660] ? __lock_is_held+0xb5/0x140 [ 732.483732] discover_timer+0x50/0x60 [ 732.487534] call_timer_fn+0x272/0x920 [ 732.491427] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 732.496274] ? process_timeout+0x40/0x40 [ 732.500354] ? mark_held_locks+0xc7/0x130 [ 732.504522] ? _raw_spin_unlock_irq+0x27/0x80 [ 732.509015] ? _raw_spin_unlock_irq+0x27/0x80 [ 732.513540] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 732.518434] ? lockdep_hardirqs_on+0x296/0x5b0 [ 732.523018] ? trace_hardirqs_on+0xbd/0x310 [ 732.527372] ? kasan_check_read+0x11/0x20 [ 732.531541] ? __run_timers+0x7da/0xc70 [ 732.535535] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.540658] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 732.545503] __run_timers+0x7e5/0xc70 [ 732.549323] ? timer_fixup_init+0x70/0x70 [ 732.553492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 732.558510] ? zap_class+0x640/0x640 [ 732.562230] ? print_usage_bug+0xc0/0xc0 [ 732.566300] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 732.571502] ? find_held_lock+0x36/0x1c0 [ 732.575574] ? zap_class+0x640/0x640 [ 732.579307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.584850] ? check_preemption_disabled+0x48/0x280 [ 732.589875] ? __lock_is_held+0xb5/0x140 [ 732.593940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.599477] ? check_preemption_disabled+0x48/0x280 [ 732.604505] run_timer_softirq+0x52/0xb0 [ 732.608604] ? rcu_read_lock_sched_held+0x14f/0x180 [ 732.613668] __do_softirq+0x308/0xb7e [ 732.617472] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 732.621964] ? lock_downgrade+0x900/0x900 [ 732.626120] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 732.631229] ? pvclock_read_flags+0x160/0x160 [ 732.635728] ? lapic_next_event+0x5a/0x90 [ 732.639883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.645425] ? kvm_clock_read+0x18/0x30 [ 732.649433] ? kvm_sched_clock_read+0x9/0x20 [ 732.653843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.659384] ? check_preemption_disabled+0x48/0x280 [ 732.664411] irq_exit+0x17f/0x1c0 [ 732.667868] smp_apic_timer_interrupt+0x1cb/0x760 [ 732.672709] ? smp_call_function_single_interrupt+0x159/0x650 [ 732.678594] ? smp_call_function_single_interrupt+0x650/0x650 [ 732.684480] ? interrupt_entry+0xb5/0xc0 [ 732.688545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.693574] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.698594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.703438] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.708473] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.713489] ? task_prio+0x50/0x50 [ 732.717037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.722586] ? check_preemption_disabled+0x48/0x280 [ 732.727608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.732461] apic_timer_interrupt+0xf/0x20 [ 732.736690] </IRQ> [ 732.738924] RIP: 0010:rcu_is_watching+0x0/0x30 [ 732.743510] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 732.762407] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 732.770112] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 732.777386] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 732.784672] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 732.791942] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 732.799207] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 732.806496] ? list_lru_count_one+0x253/0x450 [ 732.810992] ? list_lru_count_one+0x35d/0x450 [ 732.815496] ? list_lru_count_one+0x362/0x450 [ 732.819992] ? list_lru_isolate_move+0x3c0/0x3c0 [ 732.824754] ? shmem_free_inode+0xd0/0xd0 [ 732.828923] ? __lock_is_held+0xb5/0x140 [ 732.832995] super_cache_count+0x1b9/0x2e0 [ 732.837254] do_shrink_slab+0x1b1/0xd30 [ 732.841253] ? snapshot_refaults+0x290/0x290 [ 732.845689] ? lock_release+0xa00/0xa00 [ 732.849670] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 732.854615] ? down_read_trylock+0xda/0x140 [ 732.858934] ? shrink_slab+0x207/0x8c0 [ 732.862821] ? downgrade_write+0x270/0x270 [ 732.867085] shrink_slab+0x389/0x8c0 [ 732.870809] ? shrink_active_list+0x1f00/0x1f00 [ 732.875502] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 732.881158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 732.886267] ? cgroup_procs_write_finish+0xf0/0xf0 [ 732.891211] ? find_held_lock+0x36/0x1c0 [ 732.895282] shrink_node+0x431/0x16b0 [ 732.899095] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 732.904396] ? shrink_node_memcg+0x18f0/0x18f0 [ 732.908999] ? kvm_clock_read+0x18/0x30 [ 732.912978] ? ktime_get+0x2c1/0x400 [ 732.916698] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 732.921199] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.926739] ? __cpuset_node_allowed+0x19b/0x660 [ 732.931501] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 732.937213] ? delayacct_end+0x5a/0x100 [ 732.941203] do_try_to_free_pages+0x3e7/0x1290 [ 732.945788] ? zap_class+0x640/0x640 [ 732.949518] ? shrink_node+0x16b0/0x16b0 [ 732.953584] ? __lock_is_held+0xb5/0x140 [ 732.957662] try_to_free_pages+0x4d0/0xb90 [ 732.961916] ? do_try_to_free_pages+0x1290/0x1290 [ 732.966780] ? lock_acquire+0x1ed/0x520 [ 732.970754] ? set_page_refcounted+0x280/0x280 [ 732.975358] ? lock_release+0xa00/0xa00 [ 732.979340] ? _raw_spin_unlock_irq+0x60/0x80 [ 732.983838] ? psi_memstall_enter+0x240/0x2b0 [ 732.988337] ? psi_memstall_tick+0x230/0x230 [ 732.992760] __alloc_pages_slowpath+0xa48/0x2de0 [ 732.997551] ? warn_alloc+0x120/0x120 [ 733.001356] ? mark_held_locks+0x130/0x130 [ 733.005600] ? find_get_entry+0xaae/0x1120 [ 733.009866] ? filemap_map_pages+0x1a20/0x1a20 [ 733.014451] ? zap_class+0x640/0x640 [ 733.018171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.023711] ? check_preemption_disabled+0x48/0x280 [ 733.028732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.034270] ? should_fail+0x22d/0xd01 [ 733.038188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.043304] ? zap_class+0x640/0x640 [ 733.047071] ? __lock_is_held+0xb5/0x140 [ 733.051139] ? mark_held_locks+0x130/0x130 [ 733.055383] ? lock_release+0xa00/0xa00 [ 733.059364] ? perf_trace_sched_process_exec+0x860/0x860 [ 733.064814] ? xa_load+0x2ba/0x460 [ 733.068359] ? lock_downgrade+0x900/0x900 [ 733.072514] ? __might_sleep+0x95/0x190 [ 733.076500] __alloc_pages_nodemask+0xad8/0xea0 [ 733.081185] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 733.086208] ? __page_cache_alloc+0x191/0x5c0 [ 733.090703] ? xa_load+0x2e1/0x460 [ 733.094269] ? xa_clear_mark+0x40/0x40 [ 733.098199] ? zap_class+0x640/0x640 [ 733.101920] ? zap_class+0x640/0x640 [ 733.105637] ? zap_class+0x640/0x640 [ 733.109350] ? __do_page_cache_readahead+0x663/0x810 [ 733.114461] ? find_held_lock+0x36/0x1c0 [ 733.118530] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 733.124108] alloc_pages_current+0x173/0x350 [ 733.128521] __page_cache_alloc+0x38c/0x5c0 [ 733.132838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 733.137766] ? kasan_check_read+0x11/0x20 [ 733.141911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 733.147213] ? generic_perform_write+0x6a0/0x6a0 [ 733.151967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.157507] ? check_preemption_disabled+0x48/0x280 [ 733.162533] filemap_fault+0x1595/0x25f0 [ 733.166630] ? __lock_page_or_retry+0xa00/0xa00 [ 733.171315] ? mark_held_locks+0x130/0x130 [ 733.175571] ? filemap_map_pages+0xd6b/0x1a20 [ 733.180075] ? lock_downgrade+0x900/0x900 [ 733.184233] ? check_preemption_disabled+0x48/0x280 [ 733.189257] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 733.194189] ? kasan_check_read+0x11/0x20 [ 733.198341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 733.203632] ? rcu_softirq_qs+0x20/0x20 [ 733.207624] ? filemap_map_pages+0xd92/0x1a20 [ 733.212143] ? find_get_entries_tag+0x1400/0x1400 [ 733.216993] ? debug_object_destroy+0x2b0/0x2b0 [ 733.221673] ? lock_pi_update_atomic+0x150/0x150 [ 733.226434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.231994] ? lock_acquire+0x1ed/0x520 [ 733.235974] ? ext4_filemap_fault+0x7a/0xad [ 733.240320] ? lock_release+0xa00/0xa00 [ 733.244327] ? perf_trace_sched_process_exec+0x860/0x860 [ 733.249788] ? print_usage_bug+0xc0/0xc0 [ 733.253858] ? print_usage_bug+0xc0/0xc0 [ 733.257937] ? down_read+0x8d/0x120 [ 733.261587] ? ext4_filemap_fault+0x7a/0xad [ 733.265919] ? __down_interruptible+0x700/0x700 [ 733.270606] ext4_filemap_fault+0x82/0xad [ 733.274768] __do_fault+0x100/0x6b0 [ 733.278403] ? release_sock+0x1ec/0x2c0 [ 733.282393] ? pmd_devmap_trans_unstable+0x220/0x220 [ 733.287632] ? mark_held_locks+0x130/0x130 [ 733.291882] ? mark_held_locks+0x130/0x130 [ 733.296127] ? lock_sock_nested+0x9a/0x120 [ 733.300371] ? __release_sock+0x3a0/0x3a0 [ 733.304525] ? __local_bh_enable_ip+0x160/0x260 [ 733.309215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.314766] __handle_mm_fault+0x3ea0/0x5be0 [ 733.319191] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 733.324042] ? apparmor_socket_sendmsg+0x29/0x30 [ 733.328809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.334361] ? security_socket_sendmsg+0x94/0xc0 [ 733.339130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.344692] ? zap_class+0x640/0x640 [ 733.348413] ? zap_class+0x640/0x640 [ 733.352134] ? __x64_sys_futex+0x53e/0x6a0 [ 733.356388] ? find_held_lock+0x36/0x1c0 [ 733.360466] ? handle_mm_fault+0x42a/0xc70 [ 733.364712] ? lock_downgrade+0x900/0x900 [ 733.368866] ? check_preemption_disabled+0x48/0x280 [ 733.373892] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 733.378829] ? kasan_check_read+0x11/0x20 [ 733.382983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 733.388268] ? rcu_softirq_qs+0x20/0x20 [ 733.392268] ? trace_hardirqs_off_caller+0x310/0x310 [ 733.397398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.402948] ? check_preemption_disabled+0x48/0x280 [ 733.407980] handle_mm_fault+0x54f/0xc70 [ 733.412052] ? __handle_mm_fault+0x5be0/0x5be0 [ 733.416653] ? find_vma+0x34/0x190 [ 733.420208] __do_page_fault+0x5e8/0xe60 [ 733.424277] ? trace_hardirqs_off+0xb8/0x310 [ 733.428707] ? __ia32_sys_read+0xb0/0xb0 [ 733.432816] do_page_fault+0xf2/0x7e0 [ 733.436625] ? vmalloc_sync_all+0x30/0x30 [ 733.440786] ? error_entry+0x70/0xd0 [ 733.444513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 733.449541] ? trace_hardirqs_on_caller+0xc0/0x310 [ 733.454489] ? syscall_return_slowpath+0x5e0/0x5e0 [ 733.459429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.464284] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.469340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 733.474894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 733.479916] ? page_fault+0x8/0x30 [ 733.483470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.488342] ? page_fault+0x8/0x30 [ 733.491892] page_fault+0x1e/0x30 [ 733.495356] RIP: 0033:0x45ddf3 [ 733.498575] Code: Bad RIP value. [ 733.501944] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 733.507330] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 733.514604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 733.521969] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 733.529259] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 733.536583] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 733.543886] warn_alloc_show_mem: 1 callbacks suppressed [ 733.543898] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 733.543900] Mem-Info: [ 733.543930] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 733.543930] active_file:13 inactive_file:14 isolated_file:0 [ 733.543930] unevictable:0 dirty:0 writeback:0 unstable:0 [ 733.543930] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 733.543930] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 733.543930] free:13773 free_pcp:174 free_cma:0 [ 733.549269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 733.549278] Call Trace: [ 733.556584] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 733.558992] <IRQ> [ 733.591954] 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 [ 733.601339] dump_stack+0x244/0x39d [ 733.603903] lowmem_reserve[]: 0 2818 6321 6321 [ 733.631416] ? dump_stack_print_info.cold.1+0x20/0x20 [ 733.633549] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 733.659672] warn_alloc.cold.116+0xb7/0x1bd [ 733.663275] lowmem_reserve[]: 0 0 3503 3503 [ 733.667877] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 733.673103] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 733.700617] ? lock_downgrade+0x900/0x900 [ 733.704917] lowmem_reserve[]: 0 0 0 0 [ 733.709244] ? trace_hardirqs_off+0xb8/0x310 [ 733.714070] 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 [ 733.742962] ? trace_hardirqs_off+0xb8/0x310 [ 733.747089] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 733.750899] __alloc_pages_slowpath+0x2651/0x2de0 [ 733.755289] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 733.768854] ? warn_alloc+0x120/0x120 [ 733.773226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 733.789174] ? warn_alloc+0x120/0x120 [ 733.794002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 733.807650] ? warn_alloc+0x120/0x120 [ 733.811435] 271 total pagecache pages [ 733.820275] ? print_usage_bug+0xc0/0xc0 [ 733.824068] 0 pages in swap cache [ 733.832640] ? print_usage_bug+0xc0/0xc0 [ 733.836431] Swap cache stats: add 0, delete 0, find 0/0 [ 733.840233] ? print_usage_bug+0xc0/0xc0 [ 733.844276] Free swap = 0kB [ 733.847750] ? mark_held_locks+0x130/0x130 [ 733.851795] Total swap = 0kB [ 733.857164] ? check_preemption_disabled+0x48/0x280 [ 733.861208] 1965979 pages RAM [ 733.864231] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 733.868449] 0 pages HighMem/MovableOnly [ 733.871480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.876480] 342854 pages reserved [ 733.879588] ? should_fail+0x22d/0xd01 [ 733.884068] 0 pages cma reserved [ 733.888048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.893628] aoe: skb alloc failure [ 733.897028] ? __lock_acquire+0x62f/0x4c20 [ 733.900930] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 733.904270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.909361] syz-fuzzer cpuset=/ mems_allowed=0 [ 733.912905] ? __lock_acquire+0x62f/0x4c20 [ 733.941340] ? should_fail+0x22d/0xd01 [ 733.945252] ? mark_held_locks+0x130/0x130 [ 733.949500] ? mark_held_locks+0x130/0x130 [ 733.953747] ? mark_held_locks+0xc7/0x130 [ 733.957907] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 733.963113] ? zap_class+0x640/0x640 [ 733.966839] ? print_usage_bug+0xc0/0xc0 [ 733.970912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.976463] ? check_preemption_disabled+0x48/0x280 [ 733.981501] ? __lock_is_held+0xb5/0x140 [ 733.985576] __alloc_pages_nodemask+0xad8/0xea0 [ 733.990256] ? zap_class+0x640/0x640 [ 733.993988] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 733.999026] ? find_held_lock+0x36/0x1c0 [ 734.003115] ? ____cache_alloc_node+0x1c7/0x1e0 [ 734.007803] ? lock_downgrade+0x900/0x900 [ 734.011970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.017530] cache_grow_begin+0xa5/0x8c0 [ 734.021603] ? do_raw_spin_unlock+0xa7/0x330 [ 734.026027] fallback_alloc+0x204/0x2e0 [ 734.030022] ____cache_alloc_node+0x1c7/0x1e0 [ 734.034537] kmem_cache_alloc_node+0xe3/0x730 [ 734.039041] ? ipv6_get_ifaddr+0x42e/0x620 [ 734.043312] __alloc_skb+0x119/0x770 [ 734.047036] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.052347] ? netdev_alloc_frag+0x1f0/0x1f0 [ 734.056764] ? lock_downgrade+0x900/0x900 [ 734.060931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.066481] ? refcount_sub_and_test_checked+0x203/0x310 [ 734.071947] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 734.077585] ? addrconf_rs_timer+0x690/0x690 [ 734.082023] ndisc_alloc_skb+0x144/0x340 [ 734.086108] ndisc_send_rs+0x331/0x6e0 [ 734.090015] addrconf_rs_timer+0x314/0x690 [ 734.094776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.099037] call_timer_fn+0x272/0x920 [ 734.102938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.107186] ? process_timeout+0x40/0x40 [ 734.111262] ? __run_timers+0x7da/0xc70 [ 734.115266] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.119785] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.124285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.128556] ? lockdep_hardirqs_on+0x296/0x5b0 [ 734.133151] ? trace_hardirqs_on+0xbd/0x310 [ 734.137480] ? kasan_check_read+0x11/0x20 [ 734.141636] ? __run_timers+0x7da/0xc70 [ 734.146836] ? trace_hardirqs_off_caller+0x310/0x310 [ 734.151961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.156204] __run_timers+0x7e5/0xc70 [ 734.160024] ? timer_fixup_init+0x70/0x70 [ 734.164190] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 734.169221] ? zap_class+0x640/0x640 [ 734.172947] ? enqueue_hrtimer+0x1a5/0x560 [ 734.177193] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 734.182404] ? find_held_lock+0x36/0x1c0 [ 734.186485] ? zap_class+0x640/0x640 [ 734.190215] ? pvclock_read_flags+0x160/0x160 [ 734.194723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.200270] ? check_preemption_disabled+0x48/0x280 [ 734.205337] ? __lock_is_held+0xb5/0x140 [ 734.209413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.214963] ? check_preemption_disabled+0x48/0x280 [ 734.219997] run_timer_softirq+0x52/0xb0 [ 734.224073] ? rcu_read_lock_sched_held+0x14f/0x180 [ 734.229106] __do_softirq+0x308/0xb7e [ 734.232920] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 734.237509] ? lock_downgrade+0x900/0x900 [ 734.241673] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 734.246796] ? pvclock_read_flags+0x160/0x160 [ 734.251327] ? lapic_next_event+0x5a/0x90 [ 734.255488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.261037] ? kvm_clock_read+0x18/0x30 [ 734.265025] ? kvm_sched_clock_read+0x9/0x20 [ 734.269455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.275002] ? check_preemption_disabled+0x48/0x280 [ 734.280037] irq_exit+0x17f/0x1c0 [ 734.283505] smp_apic_timer_interrupt+0x1cb/0x760 [ 734.288358] ? smp_reschedule_interrupt+0x109/0x650 [ 734.293389] ? smp_call_function_single_interrupt+0x650/0x650 [ 734.299290] ? interrupt_entry+0xb5/0xc0 [ 734.303386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 734.308410] ? trace_hardirqs_off_caller+0xbb/0x310 [ 734.313436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.318288] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.323342] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.328384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.333246] apic_timer_interrupt+0xf/0x20 [ 734.337486] </IRQ> [ 734.339737] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 734.345633] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 734.364541] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 734.372260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 734.379553] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 734.386826] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 734.394104] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 734.401381] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 734.408691] ? save_stack+0xa9/0xd0 [ 734.412354] __kmalloc_node_track_caller+0x3c/0x70 [ 734.417318] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 734.422093] pskb_expand_head+0x230/0x10f0 [ 734.426363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 734.431829] ? memcpy+0x45/0x50 [ 734.435118] ? __copy_skb_header+0x350/0x6b0 [ 734.439535] ? skb_release_data+0x880/0x880 [ 734.443866] ? __alloc_skb+0x770/0x770 [ 734.447778] ? __lock_is_held+0xb5/0x140 [ 734.451854] ? kasan_check_write+0x14/0x20 [ 734.456095] ? __skb_clone+0x6c7/0xa00 [ 734.459993] ? __copy_skb_header+0x6b0/0x6b0 [ 734.464408] ? kmem_cache_alloc+0x33a/0x730 [ 734.468741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.474314] skb_ensure_writable+0x3dd/0x640 [ 734.478742] ? skb_checksum_setup+0xaa0/0xaa0 [ 734.483248] ? preempt_notifier_register+0x200/0x200 [ 734.488359] ? __switch_to_asm+0x34/0x70 [ 734.492428] ? __switch_to_asm+0x34/0x70 [ 734.496495] ? __switch_to_asm+0x40/0x70 [ 734.500562] ? __switch_to_asm+0x34/0x70 [ 734.504636] ? __switch_to_asm+0x40/0x70 [ 734.508709] ? __switch_to_asm+0x40/0x70 [ 734.512776] ? __switch_to_asm+0x34/0x70 [ 734.516848] ? __switch_to_asm+0x34/0x70 [ 734.520914] ? __switch_to_asm+0x40/0x70 [ 734.524981] ? __switch_to_asm+0x34/0x70 [ 734.529062] bpf_clone_redirect+0x14a/0x490 [ 734.533406] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 734.538434] ? __sched_text_start+0x8/0x8 [ 734.542594] ? retint_kernel+0x2d/0x2d [ 734.546503] ? find_held_lock+0x36/0x1c0 [ 734.550587] ? lock_acquire+0x1ed/0x520 [ 734.554573] ? bpf_test_run+0x3cb/0x780 [ 734.558557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.564106] ? check_preemption_disabled+0x48/0x280 [ 734.569138] ? kasan_check_read+0x11/0x20 [ 734.573334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 734.578621] ? rcu_softirq_qs+0x20/0x20 [ 734.582607] ? preempt_schedule+0x4d/0x60 [ 734.586762] ? ___preempt_schedule+0x16/0x18 [ 734.591189] ? bpf_test_run+0x25d/0x780 [ 734.595186] ? netlink_diag_dump+0x2a0/0x2a0 [ 734.599612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.605162] ? bpf_test_init.isra.10+0x70/0x100 [ 734.609849] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 734.614628] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 734.619481] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.625028] ? fput+0x130/0x1a0 [ 734.628341] ? __bpf_prog_get+0x9b/0x290 [ 734.632416] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 734.637267] ? bpf_prog_test_run+0x130/0x1a0 [ 734.641704] ? __x64_sys_bpf+0x3d8/0x520 [ 734.645773] ? bpf_prog_get+0x20/0x20 [ 734.649602] ? do_syscall_64+0x1b9/0x820 [ 734.653672] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 734.659049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 734.664001] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.669032] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 734.674073] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 734.680748] ? __switch_to_asm+0x40/0x70 [ 734.684816] ? __switch_to_asm+0x34/0x70 [ 734.688892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.693757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.699151] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 734.699220] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 734.706174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.706179] Call Trace: [ 734.706187] <IRQ> [ 734.706204] dump_stack+0x244/0x39d [ 734.706225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 734.712764] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 734.722069] warn_alloc.cold.116+0xb7/0x1bd [ 734.724639] syz-executor3 cpuset=syz3 mems_allowed=0 [ 734.726794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 734.760329] ? lock_downgrade+0x900/0x900 [ 734.764501] ? trace_hardirqs_off+0xb8/0x310 [ 734.768929] ? trace_hardirqs_off+0xb8/0x310 [ 734.773363] __alloc_pages_slowpath+0x2651/0x2de0 [ 734.778247] ? warn_alloc+0x120/0x120 [ 734.782060] ? warn_alloc+0x120/0x120 [ 734.785875] ? __lock_acquire+0x62f/0x4c20 [ 734.790121] ? warn_alloc+0x120/0x120 [ 734.793933] ? print_usage_bug+0xc0/0xc0 [ 734.798010] ? print_usage_bug+0xc0/0xc0 [ 734.802085] ? mark_held_locks+0x130/0x130 [ 734.806353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.811903] ? should_fail+0x22d/0xd01 [ 734.815798] ? zap_class+0x640/0x640 [ 734.819525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 734.824646] ? __lock_acquire+0x62f/0x4c20 [ 734.828892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 734.834002] ? should_fail+0x22d/0xd01 [ 734.837913] ? mark_held_locks+0x130/0x130 [ 734.842163] ? mark_held_locks+0x130/0x130 [ 734.846407] ? lock_downgrade+0x900/0x900 [ 734.850575] ? zap_class+0x640/0x640 [ 734.854315] ? zap_class+0x640/0x640 [ 734.858043] ? zap_class+0x640/0x640 [ 734.861764] ? do_raw_spin_unlock+0xa7/0x330 [ 734.866184] ? trace_hardirqs_on+0x310/0x310 [ 734.870686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.876234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.881783] ? check_preemption_disabled+0x48/0x280 [ 734.886817] ? __lock_is_held+0xb5/0x140 [ 734.890893] __alloc_pages_nodemask+0xad8/0xea0 [ 734.895574] ? zap_class+0x640/0x640 [ 734.899321] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 734.904368] ? find_held_lock+0x36/0x1c0 [ 734.908451] ? ____cache_alloc_node+0x1c7/0x1e0 [ 734.913133] ? lock_downgrade+0x900/0x900 [ 734.917316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.922868] cache_grow_begin+0xa5/0x8c0 [ 734.926937] ? do_raw_spin_unlock+0xa7/0x330 [ 734.931366] fallback_alloc+0x204/0x2e0 [ 734.935373] ____cache_alloc_node+0x1c7/0x1e0 [ 734.939884] kmem_cache_alloc_node+0xe3/0x730 [ 734.944394] ? lockdep_hardirqs_on+0x296/0x5b0 [ 734.948994] __alloc_skb+0x119/0x770 [ 734.952719] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 734.958094] ? netdev_alloc_frag+0x1f0/0x1f0 [ 734.962523] ? vprintk_default+0x28/0x30 [ 734.966596] ? vprintk_func+0x85/0x181 [ 734.970497] ? printk+0xa7/0xcf [ 734.973784] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 734.978565] new_skb+0x26/0x1c0 [ 734.981857] aoecmd_cfg+0x279/0x7f0 [ 734.985494] ? find_held_lock+0x36/0x1c0 [ 734.989576] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 734.993916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.999476] ? __lock_is_held+0xb5/0x140 [ 735.003569] discover_timer+0x50/0x60 [ 735.007384] call_timer_fn+0x272/0x920 [ 735.011282] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 735.016155] ? process_timeout+0x40/0x40 [ 735.020235] ? mark_held_locks+0xc7/0x130 [ 735.024396] ? _raw_spin_unlock_irq+0x27/0x80 [ 735.028903] ? _raw_spin_unlock_irq+0x27/0x80 [ 735.033406] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 735.038258] ? lockdep_hardirqs_on+0x296/0x5b0 [ 735.042851] ? trace_hardirqs_on+0xbd/0x310 [ 735.047184] ? kasan_check_read+0x11/0x20 [ 735.051358] ? __run_timers+0x7da/0xc70 [ 735.055364] ? trace_hardirqs_off_caller+0x310/0x310 [ 735.060491] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 735.065344] __run_timers+0x7e5/0xc70 [ 735.069162] ? timer_fixup_init+0x70/0x70 [ 735.073341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 735.078372] ? zap_class+0x640/0x640 [ 735.082099] ? print_usage_bug+0xc0/0xc0 [ 735.086169] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 735.091378] ? find_held_lock+0x36/0x1c0 [ 735.095452] ? zap_class+0x640/0x640 [ 735.099180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.104730] ? check_preemption_disabled+0x48/0x280 [ 735.109805] ? __lock_is_held+0xb5/0x140 [ 735.113876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.119421] ? check_preemption_disabled+0x48/0x280 [ 735.124454] run_timer_softirq+0x52/0xb0 [ 735.128529] ? rcu_read_lock_sched_held+0x14f/0x180 [ 735.133575] __do_softirq+0x308/0xb7e [ 735.137393] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 735.141898] ? lock_downgrade+0x900/0x900 [ 735.146064] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 735.151187] ? pvclock_read_flags+0x160/0x160 [ 735.155695] ? lapic_next_event+0x5a/0x90 [ 735.159857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.165412] ? kvm_clock_read+0x18/0x30 [ 735.169395] ? kvm_sched_clock_read+0x9/0x20 [ 735.173815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.179368] ? check_preemption_disabled+0x48/0x280 [ 735.184409] irq_exit+0x17f/0x1c0 [ 735.187873] smp_apic_timer_interrupt+0x1cb/0x760 [ 735.192728] ? smp_call_function_single_interrupt+0x159/0x650 [ 735.198631] ? smp_call_function_single_interrupt+0x650/0x650 [ 735.204527] ? interrupt_entry+0xb5/0xc0 [ 735.208606] ? trace_hardirqs_off_caller+0xbb/0x310 [ 735.213630] ? trace_hardirqs_off_caller+0xbb/0x310 [ 735.218655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.223512] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.228537] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.233574] ? task_prio+0x50/0x50 [ 735.237124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.242671] ? check_preemption_disabled+0x48/0x280 [ 735.247702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.252567] apic_timer_interrupt+0xf/0x20 [ 735.256809] </IRQ> [ 735.259055] RIP: 0010:rcu_is_watching+0x0/0x30 [ 735.263653] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 735.282565] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 735.290279] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 735.297576] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 735.304851] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 735.312127] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 735.319402] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 735.326695] ? list_lru_count_one+0x253/0x450 [ 735.331202] ? list_lru_count_one+0x35d/0x450 [ 735.335713] ? list_lru_count_one+0x362/0x450 [ 735.340216] ? list_lru_isolate_move+0x3c0/0x3c0 [ 735.344979] ? shmem_free_inode+0xd0/0xd0 [ 735.349140] ? __lock_is_held+0xb5/0x140 [ 735.353220] super_cache_count+0x1b9/0x2e0 [ 735.357474] do_shrink_slab+0x1b1/0xd30 [ 735.361469] ? snapshot_refaults+0x290/0x290 [ 735.365891] ? lock_release+0xa00/0xa00 [ 735.369879] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 735.374831] ? down_read_trylock+0xda/0x140 [ 735.379158] ? shrink_slab+0x207/0x8c0 [ 735.383056] ? downgrade_write+0x270/0x270 [ 735.387331] shrink_slab+0x389/0x8c0 [ 735.391054] ? shrink_active_list+0x1f00/0x1f00 [ 735.395745] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 735.401384] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 735.406507] ? cgroup_procs_write_finish+0xf0/0xf0 [ 735.411454] ? find_held_lock+0x36/0x1c0 [ 735.415531] shrink_node+0x431/0x16b0 [ 735.419367] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 735.424683] ? shrink_node_memcg+0x18f0/0x18f0 [ 735.429278] ? kvm_clock_read+0x18/0x30 [ 735.433279] ? ktime_get+0x2c1/0x400 [ 735.437022] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 735.441530] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.447080] ? __cpuset_node_allowed+0x19b/0x660 [ 735.451849] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 735.457579] ? delayacct_end+0x5a/0x100 [ 735.461577] do_try_to_free_pages+0x3e7/0x1290 [ 735.466170] ? zap_class+0x640/0x640 [ 735.469907] ? shrink_node+0x16b0/0x16b0 [ 735.473983] ? __lock_is_held+0xb5/0x140 [ 735.478069] try_to_free_pages+0x4d0/0xb90 [ 735.482373] ? do_try_to_free_pages+0x1290/0x1290 [ 735.487237] ? lock_acquire+0x1ed/0x520 [ 735.491222] ? set_page_refcounted+0x280/0x280 [ 735.495822] ? lock_release+0xa00/0xa00 [ 735.499806] ? _raw_spin_unlock_irq+0x60/0x80 [ 735.504329] ? psi_memstall_enter+0x240/0x2b0 [ 735.508838] ? psi_memstall_tick+0x230/0x230 [ 735.513266] __alloc_pages_slowpath+0xa48/0x2de0 [ 735.518078] ? warn_alloc+0x120/0x120 [ 735.521887] ? mark_held_locks+0x130/0x130 [ 735.526136] ? find_get_entry+0xaae/0x1120 [ 735.530392] ? filemap_map_pages+0x1a20/0x1a20 [ 735.534989] ? zap_class+0x640/0x640 [ 735.538719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.544266] ? check_preemption_disabled+0x48/0x280 [ 735.549322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.554882] ? should_fail+0x22d/0xd01 [ 735.558784] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.563899] ? zap_class+0x640/0x640 [ 735.567647] ? __lock_is_held+0xb5/0x140 [ 735.571728] ? mark_held_locks+0x130/0x130 [ 735.575978] ? lock_release+0xa00/0xa00 [ 735.579960] ? perf_trace_sched_process_exec+0x860/0x860 [ 735.585422] ? xa_load+0x2ba/0x460 [ 735.588971] ? lock_downgrade+0x900/0x900 [ 735.593131] ? __might_sleep+0x95/0x190 [ 735.597118] __alloc_pages_nodemask+0xad8/0xea0 [ 735.601807] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 735.606831] ? __page_cache_alloc+0x191/0x5c0 [ 735.611346] ? xa_load+0x2e1/0x460 [ 735.614893] ? xa_clear_mark+0x40/0x40 [ 735.618793] ? zap_class+0x640/0x640 [ 735.622523] ? zap_class+0x640/0x640 [ 735.626247] ? zap_class+0x640/0x640 [ 735.629968] ? __do_page_cache_readahead+0x663/0x810 [ 735.635088] ? find_held_lock+0x36/0x1c0 [ 735.639166] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 735.644717] alloc_pages_current+0x173/0x350 [ 735.649141] __page_cache_alloc+0x38c/0x5c0 [ 735.653468] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 735.658409] ? kasan_check_read+0x11/0x20 [ 735.662571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 735.667859] ? generic_perform_write+0x6a0/0x6a0 [ 735.672628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.678180] ? check_preemption_disabled+0x48/0x280 [ 735.683214] filemap_fault+0x1595/0x25f0 [ 735.687315] ? __lock_page_or_retry+0xa00/0xa00 [ 735.692000] ? mark_held_locks+0x130/0x130 [ 735.696251] ? filemap_map_pages+0xd6b/0x1a20 [ 735.700756] ? lock_downgrade+0x900/0x900 [ 735.704910] ? check_preemption_disabled+0x48/0x280 [ 735.709938] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 735.714876] ? kasan_check_read+0x11/0x20 [ 735.719033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 735.724332] ? rcu_softirq_qs+0x20/0x20 [ 735.728350] ? filemap_map_pages+0xd92/0x1a20 [ 735.732872] ? find_get_entries_tag+0x1400/0x1400 [ 735.737728] ? debug_object_destroy+0x2b0/0x2b0 [ 735.742411] ? lock_pi_update_atomic+0x150/0x150 [ 735.747172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.752732] ? lock_acquire+0x1ed/0x520 [ 735.756718] ? ext4_filemap_fault+0x7a/0xad [ 735.761053] ? lock_release+0xa00/0xa00 [ 735.765035] ? perf_trace_sched_process_exec+0x860/0x860 [ 735.770495] ? print_usage_bug+0xc0/0xc0 [ 735.774574] ? print_usage_bug+0xc0/0xc0 [ 735.778656] ? down_read+0x8d/0x120 [ 735.782290] ? ext4_filemap_fault+0x7a/0xad [ 735.786647] ? __down_interruptible+0x700/0x700 [ 735.791349] ext4_filemap_fault+0x82/0xad [ 735.795508] __do_fault+0x100/0x6b0 [ 735.799143] ? release_sock+0x1ec/0x2c0 [ 735.803129] ? pmd_devmap_trans_unstable+0x220/0x220 [ 735.808244] ? mark_held_locks+0x130/0x130 [ 735.812490] ? mark_held_locks+0x130/0x130 [ 735.816731] ? lock_sock_nested+0x9a/0x120 [ 735.820975] ? __release_sock+0x3a0/0x3a0 [ 735.825130] ? __local_bh_enable_ip+0x160/0x260 [ 735.829809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.835361] __handle_mm_fault+0x3ea0/0x5be0 [ 735.839793] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 735.844644] ? apparmor_socket_sendmsg+0x29/0x30 [ 735.849408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.854954] ? security_socket_sendmsg+0x94/0xc0 [ 735.859726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.865286] ? zap_class+0x640/0x640 [ 735.869031] ? zap_class+0x640/0x640 [ 735.872749] ? __x64_sys_futex+0x53e/0x6a0 [ 735.876995] ? find_held_lock+0x36/0x1c0 [ 735.881072] ? handle_mm_fault+0x42a/0xc70 [ 735.885331] ? lock_downgrade+0x900/0x900 [ 735.889489] ? check_preemption_disabled+0x48/0x280 [ 735.894519] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 735.899460] ? kasan_check_read+0x11/0x20 [ 735.903616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 735.908902] ? rcu_softirq_qs+0x20/0x20 [ 735.912896] ? trace_hardirqs_off_caller+0x310/0x310 [ 735.918060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.923609] ? check_preemption_disabled+0x48/0x280 [ 735.928643] handle_mm_fault+0x54f/0xc70 [ 735.932723] ? __handle_mm_fault+0x5be0/0x5be0 [ 735.937339] ? find_vma+0x34/0x190 [ 735.940908] __do_page_fault+0x5e8/0xe60 [ 735.944975] ? trace_hardirqs_off+0xb8/0x310 [ 735.949392] ? __ia32_sys_read+0xb0/0xb0 [ 735.953472] do_page_fault+0xf2/0x7e0 [ 735.957282] ? vmalloc_sync_all+0x30/0x30 [ 735.961456] ? error_entry+0x70/0xd0 [ 735.965439] ? trace_hardirqs_off_caller+0xbb/0x310 [ 735.970463] ? trace_hardirqs_on_caller+0xc0/0x310 [ 735.975406] ? syscall_return_slowpath+0x5e0/0x5e0 [ 735.980347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.985198] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.990221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 735.995685] ? prepare_exit_to_usermode+0x291/0x3b0 [ 736.000714] ? page_fault+0x8/0x30 [ 736.004265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.009136] ? page_fault+0x8/0x30 [ 736.012685] page_fault+0x1e/0x30 [ 736.016150] RIP: 0033:0x45ddf3 [ 736.019370] Code: Bad RIP value. [ 736.022742] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 736.028111] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 736.035387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 736.042660] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 736.049951] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 736.057227] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 736.064535] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 736.064541] warn_alloc_show_mem: 1 callbacks suppressed [ 736.064548] Mem-Info: [ 736.071829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.077383] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 736.077383] active_file:13 inactive_file:14 isolated_file:0 [ 736.077383] unevictable:0 dirty:0 writeback:0 unstable:0 [ 736.077383] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 736.077383] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 736.077383] free:13773 free_pcp:174 free_cma:0 [ 736.079766] Call Trace: [ 736.089163] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 736.122746] <IRQ> [ 736.125339] 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 [ 736.152841] dump_stack+0x244/0x39d [ 736.154972] lowmem_reserve[]: 0 2818 6321 6321 [ 736.181173] ? dump_stack_print_info.cold.1+0x20/0x20 [ 736.184780] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 736.189381] warn_alloc.cold.116+0xb7/0x1bd [ 736.194541] lowmem_reserve[]: 0 0 3503 3503 [ 736.222051] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 736.226357] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 736.230690] ? lock_downgrade+0x900/0x900 [ 736.235515] lowmem_reserve[]: 0 0 0 0 [ 736.264670] ? trace_hardirqs_off+0xb8/0x310 [ 736.268801] 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 [ 736.272612] ? trace_hardirqs_off+0xb8/0x310 [ 736.277004] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 736.290531] __alloc_pages_slowpath+0x2651/0x2de0 [ 736.294917] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 736.310893] ? warn_alloc+0x120/0x120 [ 736.315707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 736.329327] ? print_usage_bug+0xc0/0xc0 [ 736.333122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 736.342001] ? warn_alloc+0x120/0x120 [ 736.346046] 271 total pagecache pages [ 736.354627] ? warn_alloc+0x120/0x120 [ 736.358424] 0 pages in swap cache [ 736.362218] ? print_usage_bug+0xc0/0xc0 [ 736.366008] Swap cache stats: add 0, delete 0, find 0/0 [ 736.369463] ? print_usage_bug+0xc0/0xc0 [ 736.373509] Free swap = 0kB [ 736.378878] ? __lock_acquire+0x62f/0x4c20 [ 736.382925] Total swap = 0kB [ 736.385945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.390159] 1965979 pages RAM [ 736.393181] ? should_fail+0x22d/0xd01 [ 736.398700] 0 pages HighMem/MovableOnly [ 736.401823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 736.405696] 342854 pages reserved [ 736.409670] ? __lock_acquire+0x62f/0x4c20 [ 736.414759] 0 pages cma reserved [ 736.418213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 736.422487] aoe: skb alloc failure [ 736.425791] ? __lock_acquire+0x62f/0x4c20 [ 736.425803] ? should_fail+0x22d/0xd01 [ 736.425817] ? find_held_lock+0x36/0x1c0 [ 736.425839] ? mark_held_locks+0x130/0x130 [ 736.430951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 736.434465] ? mark_held_locks+0x130/0x130 [ 736.438686] syz-fuzzer cpuset=/ mems_allowed=0 [ 736.442568] ? zap_class+0x640/0x640 [ 736.442583] ? zap_class+0x640/0x640 [ 736.477330] ? print_usage_bug+0xc0/0xc0 [ 736.481406] ? do_raw_spin_unlock+0xa7/0x330 [ 736.485825] ? zap_class+0x640/0x640 [ 736.489551] ? print_usage_bug+0xc0/0xc0 [ 736.493619] ? wq_watchdog_touch+0x9c/0xfe [ 736.497871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.503423] ? check_preemption_disabled+0x48/0x280 [ 736.508463] ? __lock_is_held+0xb5/0x140 [ 736.512538] __alloc_pages_nodemask+0xad8/0xea0 [ 736.517219] ? zap_class+0x640/0x640 [ 736.520948] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 736.525986] ? find_held_lock+0x36/0x1c0 [ 736.530072] ? ____cache_alloc_node+0x1c7/0x1e0 [ 736.534752] ? lock_downgrade+0x900/0x900 [ 736.538930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.544482] cache_grow_begin+0xa5/0x8c0 [ 736.548551] ? do_raw_spin_unlock+0xa7/0x330 [ 736.552974] fallback_alloc+0x204/0x2e0 [ 736.556966] ____cache_alloc_node+0x1c7/0x1e0 [ 736.561477] kmem_cache_alloc_node+0xe3/0x730 [ 736.565983] ? ipv6_get_ifaddr+0x42e/0x620 [ 736.570239] __alloc_skb+0x119/0x770 [ 736.573964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 736.579257] ? netdev_alloc_frag+0x1f0/0x1f0 [ 736.583679] ? lock_downgrade+0x900/0x900 [ 736.587844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.593400] ? refcount_sub_and_test_checked+0x203/0x310 [ 736.598863] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 736.604339] ? addrconf_rs_timer+0x690/0x690 [ 736.608768] ndisc_alloc_skb+0x144/0x340 [ 736.612844] ndisc_send_rs+0x331/0x6e0 [ 736.616745] addrconf_rs_timer+0x314/0x690 [ 736.620996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.625248] call_timer_fn+0x272/0x920 [ 736.629143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.633390] ? process_timeout+0x40/0x40 [ 736.637467] ? __run_timers+0x7da/0xc70 [ 736.641454] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.645957] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.650458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.654705] ? lockdep_hardirqs_on+0x296/0x5b0 [ 736.659334] ? trace_hardirqs_on+0xbd/0x310 [ 736.663663] ? kasan_check_read+0x11/0x20 [ 736.667817] ? __run_timers+0x7da/0xc70 [ 736.671801] ? trace_hardirqs_off_caller+0x310/0x310 [ 736.676922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.681173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.685414] __run_timers+0x7e5/0xc70 [ 736.689231] ? timer_fixup_init+0x70/0x70 [ 736.693399] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 736.698428] ? zap_class+0x640/0x640 [ 736.702156] ? enqueue_hrtimer+0x1a5/0x560 [ 736.706403] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 736.711626] ? find_held_lock+0x36/0x1c0 [ 736.715714] ? zap_class+0x640/0x640 [ 736.719440] ? pvclock_read_flags+0x160/0x160 [ 736.723949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.729496] ? check_preemption_disabled+0x48/0x280 [ 736.734533] ? __lock_is_held+0xb5/0x140 [ 736.738605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.744149] ? check_preemption_disabled+0x48/0x280 [ 736.749183] run_timer_softirq+0x52/0xb0 [ 736.753252] ? rcu_read_lock_sched_held+0x14f/0x180 [ 736.758276] __do_softirq+0x308/0xb7e [ 736.762111] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 736.766619] ? lock_downgrade+0x900/0x900 [ 736.770783] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 736.775900] ? pvclock_read_flags+0x160/0x160 [ 736.780406] ? lapic_next_event+0x5a/0x90 [ 736.784568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.790122] ? kvm_clock_read+0x18/0x30 [ 736.794109] ? kvm_sched_clock_read+0x9/0x20 [ 736.798530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.804082] ? check_preemption_disabled+0x48/0x280 [ 736.809118] irq_exit+0x17f/0x1c0 [ 736.812587] smp_apic_timer_interrupt+0x1cb/0x760 [ 736.817436] ? smp_reschedule_interrupt+0x109/0x650 [ 736.822462] ? smp_call_function_single_interrupt+0x650/0x650 [ 736.828357] ? interrupt_entry+0xb5/0xc0 [ 736.832432] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.837459] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.842489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.847365] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.852392] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.857429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.862293] apic_timer_interrupt+0xf/0x20 [ 736.866554] </IRQ> [ 736.868806] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 736.874704] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 736.893611] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 736.901342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 736.908622] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 736.915896] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 736.923170] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 736.930445] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 736.937748] ? save_stack+0xa9/0xd0 [ 736.941400] __kmalloc_node_track_caller+0x3c/0x70 [ 736.946350] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 736.951120] pskb_expand_head+0x230/0x10f0 [ 736.955366] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.960830] ? memcpy+0x45/0x50 [ 736.964123] ? __copy_skb_header+0x350/0x6b0 [ 736.968541] ? skb_release_data+0x880/0x880 [ 736.972875] ? __alloc_skb+0x770/0x770 [ 736.976774] ? __lock_is_held+0xb5/0x140 [ 736.980850] ? kasan_check_write+0x14/0x20 [ 736.985093] ? __skb_clone+0x6c7/0xa00 [ 736.988990] ? __copy_skb_header+0x6b0/0x6b0 [ 736.993410] ? kmem_cache_alloc+0x33a/0x730 [ 736.997742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.003313] skb_ensure_writable+0x3dd/0x640 [ 737.007738] ? skb_checksum_setup+0xaa0/0xaa0 [ 737.012250] ? preempt_notifier_register+0x200/0x200 [ 737.017363] ? __switch_to_asm+0x34/0x70 [ 737.021432] ? __switch_to_asm+0x34/0x70 [ 737.025502] ? __switch_to_asm+0x40/0x70 [ 737.029573] ? __switch_to_asm+0x34/0x70 [ 737.033641] ? __switch_to_asm+0x40/0x70 [ 737.037712] ? __switch_to_asm+0x40/0x70 [ 737.041780] ? __switch_to_asm+0x34/0x70 [ 737.045846] ? __switch_to_asm+0x34/0x70 [ 737.049914] ? __switch_to_asm+0x40/0x70 [ 737.053980] ? __switch_to_asm+0x34/0x70 [ 737.058062] bpf_clone_redirect+0x14a/0x490 [ 737.062407] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 737.067439] ? __sched_text_start+0x8/0x8 [ 737.071597] ? retint_kernel+0x2d/0x2d [ 737.075505] ? find_held_lock+0x36/0x1c0 [ 737.079585] ? lock_acquire+0x1ed/0x520 [ 737.083574] ? bpf_test_run+0x3cb/0x780 [ 737.087573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.093126] ? check_preemption_disabled+0x48/0x280 [ 737.098161] ? kasan_check_read+0x11/0x20 [ 737.102361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 737.107649] ? rcu_softirq_qs+0x20/0x20 [ 737.111636] ? preempt_schedule+0x4d/0x60 [ 737.115796] ? ___preempt_schedule+0x16/0x18 [ 737.120222] ? bpf_test_run+0x25d/0x780 [ 737.124221] ? netlink_diag_dump+0x2a0/0x2a0 [ 737.128648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.134198] ? bpf_test_init.isra.10+0x70/0x100 [ 737.138881] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 737.143658] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 737.148513] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.154064] ? fput+0x130/0x1a0 [ 737.157362] ? __bpf_prog_get+0x9b/0x290 [ 737.161437] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 737.166292] ? bpf_prog_test_run+0x130/0x1a0 [ 737.170730] ? __x64_sys_bpf+0x3d8/0x520 [ 737.174798] ? bpf_prog_get+0x20/0x20 [ 737.178628] ? do_syscall_64+0x1b9/0x820 [ 737.182700] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 737.188082] ? syscall_return_slowpath+0x5e0/0x5e0 [ 737.193024] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.198061] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 737.203092] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 737.209767] ? __switch_to_asm+0x40/0x70 [ 737.213840] ? __switch_to_asm+0x34/0x70 [ 737.217914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.222772] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 737.228162] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 737.228191] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 737.235193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.241417] rcu: (detected by 1, t=10552 jiffies, g=93125, q=12) [ 737.250770] Call Trace: [ 737.257008] rcu: All QSes seen, last rcu_preempt kthread activity 10405 (4295010873-4295000468), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 737.259586] <IRQ> [ 737.272233] syz-executor3 R running task 22392 4363 6137 0x8010000c [ 737.274387] dump_stack+0x244/0x39d [ 737.281566] Call Trace: [ 737.285197] ? dump_stack_print_info.cold.1+0x20/0x20 [ 737.287766] <IRQ> [ 737.292963] warn_alloc.cold.116+0xb7/0x1bd [ 737.295099] sched_show_task.cold.84+0x2b6/0x30a [ 737.299411] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 737.304161] ? can_nice.part.74+0x20/0x20 [ 737.308998] ? lock_downgrade+0x900/0x900 [ 737.313142] ? vprintk_default+0x28/0x30 [ 737.317286] ? trace_hardirqs_off+0xb8/0x310 [ 737.321361] ? vprintk_func+0x85/0x181 [ 737.325769] ? trace_hardirqs_off+0xb8/0x310 [ 737.329649] ? vprintk_func+0x85/0x181 [ 737.334055] __alloc_pages_slowpath+0x2651/0x2de0 [ 737.337935] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 737.342789] ? warn_alloc+0x120/0x120 [ 737.347512] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 737.351328] ? warn_alloc+0x120/0x120 [ 737.356080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.359870] ? __lock_acquire+0x62f/0x4c20 [ 737.365408] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 737.369631] ? warn_alloc+0x120/0x120 [ 737.374902] ? print_usage_bug+0xc0/0xc0 [ 737.378696] ? print_usage_bug+0xc0/0xc0 [ 737.382752] ? rcu_qs+0x110/0x110 [ 737.386805] ? print_usage_bug+0xc0/0xc0 [ 737.390265] ? zap_class+0x640/0x640 [ 737.394326] ? mark_held_locks+0x130/0x130 [ 737.398031] ? print_usage_bug+0xc0/0xc0 [ 737.402262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.406332] ? kasan_check_read+0x11/0x20 [ 737.411861] ? should_fail+0x22d/0xd01 [ 737.415998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.419879] ? zap_class+0x640/0x640 [ 737.425408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.429112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.434640] ? do_trace_rcu_torture_read+0x10/0x10 [ 737.439741] ? __lock_acquire+0x62f/0x4c20 [ 737.444664] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 737.448888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.454157] ? __lock_is_held+0xb5/0x140 [ 737.459249] ? should_fail+0x22d/0xd01 [ 737.463323] ? __rcu_read_lock+0x50/0x50 [ 737.467211] ? mark_held_locks+0x130/0x130 [ 737.471258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.475488] ? mark_held_locks+0x130/0x130 [ 737.481019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.485244] ? lock_downgrade+0x900/0x900 [ 737.490775] ? check_preemption_disabled+0x48/0x280 [ 737.494918] ? zap_class+0x640/0x640 [ 737.499931] rcu_check_callbacks+0xfd7/0x13f0 [ 737.503634] ? zap_class+0x640/0x640 [ 737.508123] ? rcutree_dead_cpu+0x10/0x10 [ 737.511832] ? zap_class+0x640/0x640 [ 737.515972] ? lock_downgrade+0x900/0x900 [ 737.519676] ? do_raw_spin_unlock+0xa7/0x330 [ 737.523816] ? lock_release+0x960/0xa00 [ 737.528235] ? trace_hardirqs_on+0x310/0x310 [ 737.532192] ? zap_class+0x640/0x640 [ 737.536596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.540316] ? zap_class+0x640/0x640 [ 737.545848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.549553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.555093] ? check_preemption_disabled+0x48/0x280 [ 737.560625] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 737.565644] ? __lock_is_held+0xb5/0x140 [ 737.570211] ? kvm_set_tsc_khz+0x540/0x540 [ 737.574269] __alloc_pages_nodemask+0xad8/0xea0 [ 737.578493] ? warn_alloc.cold.116+0xd1/0x1bd [ 737.583151] ? zap_class+0x640/0x640 [ 737.587641] ? find_held_lock+0x36/0x1c0 [ 737.591373] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 737.595432] ? zap_class+0x640/0x640 [ 737.600449] ? find_held_lock+0x36/0x1c0 [ 737.604148] ? timekeeping_advance+0x3cc/0xc00 [ 737.608210] ? ____cache_alloc_node+0x1c7/0x1e0 [ 737.612784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.617450] ? lock_downgrade+0x900/0x900 [ 737.622983] ? check_preemption_disabled+0x48/0x280 [ 737.627126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.632134] ? trace_hardirqs_off+0xb8/0x310 [ 737.637664] cache_grow_begin+0xa5/0x8c0 [ 737.642068] ? __lock_is_held+0xb5/0x140 [ 737.646114] ? do_raw_spin_unlock+0xa7/0x330 [ 737.650167] ? trace_hardirqs_on+0x310/0x310 [ 737.654575] fallback_alloc+0x204/0x2e0 [ 737.658967] ? check_preemption_disabled+0x48/0x280 [ 737.662935] ____cache_alloc_node+0x1c7/0x1e0 [ 737.667957] ? raise_softirq+0x199/0x420 [ 737.672448] kmem_cache_alloc_node+0xe3/0x730 [ 737.676498] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 737.680986] ? lockdep_hardirqs_on+0x296/0x5b0 [ 737.685648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.690225] __alloc_skb+0x119/0x770 [ 737.695752] ? check_preemption_disabled+0x48/0x280 [ 737.699458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 737.704473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.709841] ? netdev_alloc_frag+0x1f0/0x1f0 [ 737.715372] ? hrtimer_run_queues+0x9a/0x400 [ 737.719774] ? vprintk_default+0x28/0x30 [ 737.724171] ? run_local_timers+0x19b/0x230 [ 737.728221] ? vprintk_func+0x85/0x181 [ 737.732535] ? timer_clear_idle+0x90/0x90 [ 737.736415] ? printk+0xa7/0xcf [ 737.740559] ? debug_smp_processor_id+0x1c/0x20 [ 737.743834] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 737.748502] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 737.753254] new_skb+0x26/0x1c0 [ 737.759213] ? account_process_tick+0x282/0x350 [ 737.762480] aoecmd_cfg+0x279/0x7f0 [ 737.767143] update_process_times+0x2d/0x70 [ 737.770758] ? find_held_lock+0x36/0x1c0 [ 737.775082] tick_sched_handle+0x9f/0x180 [ 737.779132] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 737.783273] tick_sched_timer+0x45/0x130 [ 737.787596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.791651] __hrtimer_run_queues+0x41c/0x10d0 [ 737.797186] ? __lock_is_held+0xb5/0x140 [ 737.801760] ? tick_sched_do_timer+0x1a0/0x1a0 [ 737.805824] discover_timer+0x50/0x60 [ 737.810393] ? hrtimer_start_range_ns+0xe00/0xe00 [ 737.814183] call_timer_fn+0x272/0x920 [ 737.819030] ? pvclock_read_flags+0x160/0x160 [ 737.822904] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 737.827392] ? trace_hardirqs_on+0x310/0x310 [ 737.832228] ? process_timeout+0x40/0x40 [ 737.836632] ? zap_class+0x640/0x640 [ 737.840694] ? mark_held_locks+0xc7/0x130 [ 737.844402] ? kvm_clock_read+0x18/0x30 [ 737.848546] ? _raw_spin_unlock_irq+0x27/0x80 [ 737.852516] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 737.857004] ? _raw_spin_unlock_irq+0x27/0x80 [ 737.862017] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 737.866502] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 737.871861] ? do_timer+0x50/0x50 [ 737.876699] ? lockdep_hardirqs_on+0x296/0x5b0 [ 737.880147] ? rwlock_bug.part.2+0x90/0x90 [ 737.884727] ? trace_hardirqs_on+0xbd/0x310 [ 737.888957] ? trace_hardirqs_on+0x310/0x310 [ 737.893275] ? kasan_check_read+0x11/0x20 [ 737.897675] ? rcu_softirq_qs+0x20/0x20 [ 737.901813] ? __run_timers+0x7da/0xc70 [ 737.905788] hrtimer_interrupt+0x313/0x780 [ 737.909750] ? trace_hardirqs_off_caller+0x310/0x310 [ 737.914038] smp_apic_timer_interrupt+0x1a1/0x760 [ 737.919128] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 737.923959] ? smp_call_function_single_interrupt+0x650/0x650 [ 737.928792] __run_timers+0x7e5/0xc70 [ 737.934668] ? interrupt_entry+0xb5/0xc0 [ 737.938468] ? timer_fixup_init+0x70/0x70 [ 737.942516] ? trace_hardirqs_off_caller+0xbb/0x310 [ 737.946659] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 737.951667] ? ____cache_alloc_node+0x1c7/0x1e0 [ 737.956675] ? zap_class+0x640/0x640 [ 737.961353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.965366] ? print_usage_bug+0xc0/0xc0 [ 737.970204] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.974256] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 737.979274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.984449] ? find_held_lock+0x36/0x1c0 [ 737.989288] apic_timer_interrupt+0xf/0x20 [ 737.993360] ? zap_class+0x640/0x640 [ 737.997593] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 738.001316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.006667] Code: 3f 7e 0f 85 32 ff ff ff e8 65 1b 3e ff e9 28 ff ff ff e8 0c 51 c3 ff 48 83 3d a4 99 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 9a d5 [ 738.012199] ? check_preemption_disabled+0x48/0x280 [ 738.031088] RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 738.036125] ? __lock_is_held+0xb5/0x140 [ 738.043815] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11030556549 [ 738.047875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.055138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 738.060676] ? check_preemption_disabled+0x48/0x280 [ 738.067934] RBP: ffff8881daf074c0 R08: ffff888182ab2a48 R09: 0000000000000002 [ 738.072951] run_timer_softirq+0x52/0xb0 [ 738.080211] R10: 0000000000000000 R11: ffff888182ab2180 R12: ffff8881d9beec00 [ 738.084272] ? rcu_read_lock_sched_held+0x14f/0x180 [ 738.091532] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 738.096734] __do_softirq+0x308/0xb7e [ 738.104002] ? apic_timer_interrupt+0xa/0x20 [ 738.107800] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 738.112216] ? ipv6_get_ifaddr+0x42e/0x620 [ 738.116690] ? lock_downgrade+0x900/0x900 [ 738.120925] __alloc_skb+0x119/0x770 [ 738.125058] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 738.128767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 738.133871] ? pvclock_read_flags+0x160/0x160 [ 738.139182] ? netdev_alloc_frag+0x1f0/0x1f0 [ 738.143673] ? lapic_next_event+0x5a/0x90 [ 738.148073] ? lock_downgrade+0x900/0x900 [ 738.152214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.156363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.161892] ? kvm_clock_read+0x18/0x30 [ 738.167425] ? refcount_sub_and_test_checked+0x203/0x310 [ 738.171394] ? kvm_sched_clock_read+0x9/0x20 [ 738.176839] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 738.181239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.186684] ? addrconf_rs_timer+0x690/0x690 [ 738.192216] ? check_preemption_disabled+0x48/0x280 [ 738.196623] ndisc_alloc_skb+0x144/0x340 [ 738.201633] irq_exit+0x17f/0x1c0 [ 738.205688] ndisc_send_rs+0x331/0x6e0 [ 738.209139] smp_apic_timer_interrupt+0x1cb/0x760 [ 738.213020] addrconf_rs_timer+0x314/0x690 [ 738.217855] ? smp_call_function_single_interrupt+0x159/0x650 [ 738.222088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.227964] ? smp_call_function_single_interrupt+0x650/0x650 [ 738.232198] call_timer_fn+0x272/0x920 [ 738.238073] ? interrupt_entry+0xb5/0xc0 [ 738.241954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.246011] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.250238] ? process_timeout+0x40/0x40 [ 738.255250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.259326] ? __run_timers+0x7da/0xc70 [ 738.264350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.268329] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.273168] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.277656] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.282669] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.287157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.292215] ? task_prio+0x50/0x50 [ 738.296443] ? lockdep_hardirqs_on+0x296/0x5b0 [ 738.299988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.304560] ? trace_hardirqs_on+0xbd/0x310 [ 738.310095] ? check_preemption_disabled+0x48/0x280 [ 738.314410] ? kasan_check_read+0x11/0x20 [ 738.319422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.323558] ? __run_timers+0x7da/0xc70 [ 738.328409] apic_timer_interrupt+0xf/0x20 [ 738.332376] ? trace_hardirqs_off_caller+0x310/0x310 [ 738.336602] </IRQ> [ 738.341705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.343936] RIP: 0010:rcu_is_watching+0x0/0x30 [ 738.348162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.352732] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 738.356964] __run_timers+0x7e5/0xc70 [ 738.375860] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 738.379664] ? timer_fixup_init+0x70/0x70 [ 738.387356] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 738.391503] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 738.398764] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 738.403781] ? zap_class+0x640/0x640 [ 738.411043] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 738.414758] ? enqueue_hrtimer+0x1a5/0x560 [ 738.422018] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 738.426253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 738.433514] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 738.438705] ? find_held_lock+0x36/0x1c0 [ 738.445974] ? list_lru_count_one+0x253/0x450 [ 738.450027] ? zap_class+0x640/0x640 [ 738.454535] ? list_lru_count_one+0x35d/0x450 [ 738.458248] ? pvclock_read_flags+0x160/0x160 [ 738.462734] ? list_lru_count_one+0x362/0x450 [ 738.467224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.471713] ? list_lru_isolate_move+0x3c0/0x3c0 [ 738.477247] ? check_preemption_disabled+0x48/0x280 [ 738.481996] ? shmem_free_inode+0xd0/0xd0 [ 738.487007] ? __lock_is_held+0xb5/0x140 [ 738.491145] ? __lock_is_held+0xb5/0x140 [ 738.495198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.499256] super_cache_count+0x1b9/0x2e0 [ 738.504782] ? check_preemption_disabled+0x48/0x280 [ 738.509017] do_shrink_slab+0x1b1/0xd30 [ 738.514032] run_timer_softirq+0x52/0xb0 [ 738.518004] ? snapshot_refaults+0x290/0x290 [ 738.522064] ? rcu_read_lock_sched_held+0x14f/0x180 [ 738.526459] ? lock_release+0xa00/0xa00 [ 738.531474] __do_softirq+0x308/0xb7e [ 738.535439] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 738.539228] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 738.544160] ? down_read_trylock+0xda/0x140 [ 738.548645] ? lock_downgrade+0x900/0x900 [ 738.552957] ? shrink_slab+0x207/0x8c0 [ 738.557103] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 738.560981] ? downgrade_write+0x270/0x270 [ 738.566087] ? pvclock_read_flags+0x160/0x160 [ 738.570336] shrink_slab+0x389/0x8c0 [ 738.574820] ? lapic_next_event+0x5a/0x90 [ 738.578529] ? shrink_active_list+0x1f00/0x1f00 [ 738.582671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.587347] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 738.592874] ? kvm_clock_read+0x18/0x30 [ 738.598490] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 738.602458] ? kvm_sched_clock_read+0x9/0x20 [ 738.607567] ? cgroup_procs_write_finish+0xf0/0xf0 [ 738.611973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.616931] ? find_held_lock+0x36/0x1c0 [ 738.622477] ? check_preemption_disabled+0x48/0x280 [ 738.626567] shrink_node+0x431/0x16b0 [ 738.631564] irq_exit+0x17f/0x1c0 [ 738.635363] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 738.638807] smp_apic_timer_interrupt+0x1cb/0x760 [ 738.644099] ? shrink_node_memcg+0x18f0/0x18f0 [ 738.648918] ? smp_reschedule_interrupt+0x109/0x650 [ 738.653497] ? kvm_clock_read+0x18/0x30 [ 738.658509] ? smp_call_function_single_interrupt+0x650/0x650 [ 738.662478] ? ktime_get+0x2c1/0x400 [ 738.668371] ? interrupt_entry+0xb5/0xc0 [ 738.672079] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 738.676134] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.680621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 738.685632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 738.691163] ? __cpuset_node_allowed+0x19b/0x660 [ 738.696175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.700921] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 738.705764] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.711466] ? delayacct_end+0x5a/0x100 [ 738.716486] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.720476] do_try_to_free_pages+0x3e7/0x1290 [ 738.725487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.730054] ? zap_class+0x640/0x640 [ 738.734897] apic_timer_interrupt+0xf/0x20 [ 738.738614] ? shrink_node+0x16b0/0x16b0 [ 738.742827] </IRQ> [ 738.746976] ? __lock_is_held+0xb5/0x140 [ 738.749211] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 738.753268] try_to_free_pages+0x4d0/0xb90 [ 738.759134] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 738.763368] ? do_try_to_free_pages+0x1290/0x1290 [ 738.782258] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 738.787106] ? lock_acquire+0x1ed/0x520 [ 738.794786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 738.794798] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 738.798769] ? set_page_refcounted+0x280/0x280 [ 738.806028] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 738.813317] ? lock_release+0xa00/0xa00 [ 738.817886] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 738.825155] ? _raw_spin_unlock_irq+0x60/0x80 [ 738.829121] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 738.836391] ? psi_memstall_enter+0x240/0x2b0 [ 738.840897] ? save_stack+0xa9/0xd0 [ 738.848146] ? psi_memstall_tick+0x230/0x230 [ 738.852641] __kmalloc_node_track_caller+0x3c/0x70 [ 738.856260] __alloc_pages_slowpath+0xa48/0x2de0 [ 738.860658] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 738.865618] ? warn_alloc+0x120/0x120 [ 738.870350] pskb_expand_head+0x230/0x10f0 [ 738.875094] ? mark_held_locks+0x130/0x130 [ 738.878890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 738.883117] ? find_get_entry+0xaae/0x1120 [ 738.887364] ? memcpy+0x45/0x50 [ 738.892825] ? filemap_map_pages+0x1a20/0x1a20 [ 738.897046] ? __copy_skb_header+0x350/0x6b0 [ 738.900335] ? zap_class+0x640/0x640 [ 738.904908] ? skb_release_data+0x880/0x880 [ 738.909327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.913033] ? __alloc_skb+0x770/0x770 [ 738.917366] ? check_preemption_disabled+0x48/0x280 [ 738.922896] ? __lock_is_held+0xb5/0x140 [ 738.926775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.931792] ? kasan_check_write+0x14/0x20 [ 738.935843] ? should_fail+0x22d/0xd01 [ 738.941371] ? __skb_clone+0x6c7/0xa00 [ 738.945599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 738.949482] ? __copy_skb_header+0x6b0/0x6b0 [ 738.953363] ? zap_class+0x640/0x640 [ 738.958458] ? kmem_cache_alloc+0x33a/0x730 [ 738.962878] ? __lock_is_held+0xb5/0x140 [ 738.966576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.970893] ? mark_held_locks+0x130/0x130 [ 738.974946] skb_ensure_writable+0x3dd/0x640 [ 738.980471] ? lock_release+0xa00/0xa00 [ 738.984699] ? skb_checksum_setup+0xaa0/0xaa0 [ 738.989098] ? perf_trace_sched_process_exec+0x860/0x860 [ 738.993071] ? preempt_notifier_register+0x200/0x200 [ 738.997550] ? xa_load+0x2ba/0x460 [ 739.002996] ? __switch_to_asm+0x34/0x70 [ 739.008091] ? lock_downgrade+0x900/0x900 [ 739.011625] ? __switch_to_asm+0x34/0x70 [ 739.015684] ? __might_sleep+0x95/0x190 [ 739.019822] ? __switch_to_asm+0x40/0x70 [ 739.023882] __alloc_pages_nodemask+0xad8/0xea0 [ 739.027849] ? __switch_to_asm+0x34/0x70 [ 739.031910] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 739.036576] ? __switch_to_asm+0x40/0x70 [ 739.040639] ? __page_cache_alloc+0x191/0x5c0 [ 739.045651] ? __switch_to_asm+0x40/0x70 [ 739.049707] ? xa_load+0x2e1/0x460 [ 739.054194] ? __switch_to_asm+0x34/0x70 [ 739.058250] ? xa_clear_mark+0x40/0x40 [ 739.061786] ? __switch_to_asm+0x34/0x70 [ 739.065845] ? zap_class+0x640/0x640 [ 739.069726] ? __switch_to_asm+0x40/0x70 [ 739.073787] ? zap_class+0x640/0x640 [ 739.077492] ? __switch_to_asm+0x34/0x70 [ 739.081544] ? zap_class+0x640/0x640 [ 739.085252] bpf_clone_redirect+0x14a/0x490 [ 739.089326] ? __do_page_cache_readahead+0x663/0x810 [ 739.093036] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 739.097359] ? find_held_lock+0x36/0x1c0 [ 739.102456] ? __sched_text_start+0x8/0x8 [ 739.107471] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 739.111520] ? retint_kernel+0x2d/0x2d [ 739.115670] alloc_pages_current+0x173/0x350 [ 739.121204] ? find_held_lock+0x36/0x1c0 [ 739.125081] __page_cache_alloc+0x38c/0x5c0 [ 739.129487] ? lock_acquire+0x1ed/0x520 [ 739.133537] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 739.137851] ? bpf_test_run+0x3cb/0x780 [ 739.141832] ? kasan_check_read+0x11/0x20 [ 739.146752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.150721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 739.154869] ? check_preemption_disabled+0x48/0x280 [ 739.160399] ? generic_perform_write+0x6a0/0x6a0 [ 739.165667] ? kasan_check_read+0x11/0x20 [ 739.170676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.175426] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 739.179573] ? check_preemption_disabled+0x48/0x280 [ 739.185095] ? rcu_softirq_qs+0x20/0x20 [ 739.190369] filemap_fault+0x1595/0x25f0 [ 739.195380] ? preempt_schedule+0x4d/0x60 [ 739.199383] ? __lock_page_or_retry+0xa00/0xa00 [ 739.203434] ? ___preempt_schedule+0x16/0x18 [ 739.207576] ? mark_held_locks+0x130/0x130 [ 739.212339] ? bpf_test_run+0x25d/0x780 [ 739.216740] ? filemap_map_pages+0xd6b/0x1a20 [ 739.220973] ? netlink_diag_dump+0x2a0/0x2a0 [ 739.224932] ? lock_downgrade+0x900/0x900 [ 739.229419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.233822] ? check_preemption_disabled+0x48/0x280 [ 739.237965] ? bpf_test_init.isra.10+0x70/0x100 [ 739.243492] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 739.248502] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 739.253160] ? kasan_check_read+0x11/0x20 [ 739.258088] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 739.262828] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 739.266969] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 739.271799] ? rcu_softirq_qs+0x20/0x20 [ 739.277072] ? fput+0x130/0x1a0 [ 739.282620] ? filemap_map_pages+0xd92/0x1a20 [ 739.286581] ? __bpf_prog_get+0x9b/0x290 [ 739.289858] ? find_get_entries_tag+0x1400/0x1400 [ 739.294354] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 739.298408] ? debug_object_destroy+0x2b0/0x2b0 [ 739.303246] ? bpf_prog_test_run+0x130/0x1a0 [ 739.308082] ? lock_pi_update_atomic+0x150/0x150 [ 739.312738] ? __x64_sys_bpf+0x3d8/0x520 [ 739.317138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.321885] ? bpf_prog_get+0x20/0x20 [ 739.325953] ? lock_acquire+0x1ed/0x520 [ 739.331493] ? do_syscall_64+0x1b9/0x820 [ 739.335269] ? ext4_filemap_fault+0x7a/0xad [ 739.339234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 739.343290] ? lock_release+0xa00/0xa00 [ 739.347623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.352981] ? perf_trace_sched_process_exec+0x860/0x860 [ 739.356952] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.361871] ? print_usage_bug+0xc0/0xc0 [ 739.367329] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 739.372353] ? print_usage_bug+0xc0/0xc0 [ 739.376413] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 739.381424] ? down_read+0x8d/0x120 [ 739.385471] ? __switch_to_asm+0x40/0x70 [ 739.392130] ? ext4_filemap_fault+0x7a/0xad [ 739.395750] ? __switch_to_asm+0x34/0x70 [ 739.399808] ? __down_interruptible+0x700/0x700 [ 739.404122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.408183] ext4_filemap_fault+0x82/0xad [ 739.412842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.417674] __do_fault+0x100/0x6b0 [ 739.421828] rcu: rcu_preempt kthread starved for 10405 jiffies! g93125 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 739.427165] ? release_sock+0x1ec/0x2c0 [ 739.430776] rcu: RCU grace-period kthread stack dump: [ 739.441260] ? pmd_devmap_trans_unstable+0x220/0x220 [ 739.445219] rcu_preempt R running task 21384 10 2 0x80000000 [ 739.450411] ? mark_held_locks+0x130/0x130 [ 739.455495] Call Trace: [ 739.462680] ? mark_held_locks+0x130/0x130 [ 739.466907] __schedule+0x8cf/0x21d0 [ 739.469480] ? lock_sock_nested+0x9a/0x120 [ 739.473712] ? __sched_text_start+0x8/0x8 [ 739.477412] ? __release_sock+0x3a0/0x3a0 [ 739.481645] ? add_timer_on+0xa20/0xa20 [ 739.485785] ? __local_bh_enable_ip+0x160/0x260 [ 739.489939] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.493908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.498575] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.503674] __handle_mm_fault+0x3ea0/0x5be0 [ 739.509205] ? trace_hardirqs_on+0xbd/0x310 [ 739.514326] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 739.518729] ? kasan_check_read+0x11/0x20 [ 739.523045] ? apparmor_socket_sendmsg+0x29/0x30 [ 739.527885] ? prepare_to_swait_event+0x25a/0x800 [ 739.532023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.536771] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.541608] ? security_socket_sendmsg+0x94/0xc0 [ 739.547134] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.552233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.556981] schedule+0xfe/0x460 [ 739.562085] ? zap_class+0x640/0x640 [ 739.567608] ? __schedule+0x21d0/0x21d0 [ 739.571001] ? zap_class+0x640/0x640 [ 739.574710] ? prepare_to_swait_event+0x25a/0x800 [ 739.578677] ? __x64_sys_futex+0x53e/0x6a0 [ 739.582387] ? __init_swait_queue_head+0x150/0x150 [ 739.587220] ? find_held_lock+0x36/0x1c0 [ 739.591453] ? __lockdep_init_map+0x105/0x590 [ 739.596382] ? handle_mm_fault+0x42a/0xc70 [ 739.600434] ? lockdep_init_map+0x9/0x10 [ 739.604921] ? lock_downgrade+0x900/0x900 [ 739.609151] schedule_timeout+0x140/0x260 [ 739.613205] ? check_preemption_disabled+0x48/0x280 [ 739.617371] ? usleep_range+0x1a0/0x1a0 [ 739.621512] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 739.626519] ? __next_timer_interrupt+0x1a0/0x1a0 [ 739.630487] ? kasan_check_read+0x11/0x20 [ 739.635423] rcu_gp_fqs_loop+0x762/0xa80 [ 739.640250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 739.644396] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 739.648447] ? rcu_softirq_qs+0x20/0x20 [ 739.653724] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.658469] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.662437] ? perf_trace_sched_process_exec+0x860/0x860 [ 739.667533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.672631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.678075] ? check_preemption_disabled+0x48/0x280 [ 739.678097] handle_mm_fault+0x54f/0xc70 [ 739.683630] ? rcu_gp_init+0x90b/0x1260 [ 739.689158] ? __handle_mm_fault+0x5be0/0x5be0 [ 739.694169] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 739.698219] ? find_vma+0x34/0x190 [ 739.702186] ? rcu_accelerate_cbs+0x562/0xae0 [ 739.706766] __do_page_fault+0x5e8/0xe60 [ 739.711511] ? zap_class+0x640/0x640 [ 739.715046] ? trace_hardirqs_off+0xb8/0x310 [ 739.719539] ? zap_class+0x640/0x640 [ 739.723597] ? __ia32_sys_read+0xb0/0xb0 [ 739.727328] ? __lock_is_held+0xb5/0x140 [ 739.731727] do_page_fault+0xf2/0x7e0 [ 739.735431] ? __lock_is_held+0xb5/0x140 [ 739.739480] ? vmalloc_sync_all+0x30/0x30 [ 739.743533] ? zap_class+0x640/0x640 [ 739.747341] ? error_entry+0x70/0xd0 [ 739.751397] ? rcu_accelerate_cbs+0x562/0xae0 [ 739.755536] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.759250] ? find_held_lock+0x36/0x1c0 [ 739.762952] ? trace_hardirqs_on_caller+0xc0/0x310 [ 739.767449] ? rcu_gp_kthread+0x8cf/0xc70 [ 739.772455] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.776504] ? _raw_spin_unlock_irq+0x27/0x80 [ 739.781424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.785571] ? _raw_spin_unlock_irq+0x27/0x80 [ 739.790495] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.794980] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 739.799814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.804318] ? trace_hardirqs_on+0xbd/0x310 [ 739.809341] ? prepare_exit_to_usermode+0x291/0x3b0 [ 739.813921] ? kasan_check_read+0x11/0x20 [ 739.819361] ? page_fault+0x8/0x30 [ 739.823679] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.828687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.832827] ? perf_trace_sched_process_exec+0x860/0x860 [ 739.836366] ? page_fault+0x8/0x30 [ 739.841462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.846337] page_fault+0x1e/0x30 [ 739.851784] rcu_gp_kthread+0x341/0xc70 [ 739.855329] RIP: 0033:0x45ddf3 [ 739.860865] ? rcu_gp_init+0x1260/0x1260 [ 739.864335] Code: Bad RIP value. [ 739.868319] ? mark_held_locks+0x130/0x130 [ 739.871504] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 739.875577] ? __schedule+0x168a/0x21d0 [ 739.878938] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 739.883170] ? _raw_spin_unlock_irq+0x27/0x80 [ 739.888526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 739.892499] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 739.899758] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 739.904255] ? trace_hardirqs_on+0xbd/0x310 [ 739.911515] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 739.916096] ? kasan_check_read+0x11/0x20 [ 739.923360] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 739.927679] ? __schedule+0x168a/0x21d0 [ 739.934954] warn_alloc_show_mem: 1 callbacks suppressed [ 739.934959] Mem-Info: [ 739.939090] ? trace_hardirqs_off_caller+0x310/0x310 [ 739.946374] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 739.946374] active_file:13 inactive_file:14 isolated_file:0 [ 739.946374] unevictable:0 dirty:0 writeback:0 unstable:0 [ 739.946374] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 739.946374] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 739.946374] free:13773 free_pcp:174 free_cma:0 [ 739.950342] ? lock_pin_lock+0x350/0x350 [ 739.955712] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 739.958107] ? _raw_spin_unlock_irq+0x60/0x80 [ 739.963466] 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 [ 739.996448] ? __schedule+0x168a/0x21d0 [ 740.000491] lowmem_reserve[]: 0 2818 6321 6321 [ 740.027991] ? __switch_to_asm+0x40/0x70 [ 740.032477] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 740.058591] ? __switch_to_asm+0x40/0x70 [ 740.062549] lowmem_reserve[]: 0 0 3503 3503 [ 740.067140] ? show_schedstat+0x551/0xf30 [ 740.071186] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 740.099192] ? __sched_text_start+0x8/0x8 [ 740.103340] lowmem_reserve[]: 0 0 0 0 [ 740.107670] ? find_held_lock+0x36/0x1c0 [ 740.111794] 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 [ 740.140690] ? __kthread_parkme+0xce/0x1a0 [ 740.144814] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 740.148617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 740.152667] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 740.166196] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 740.170423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 740.186373] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 740.191464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 740.205074] ? trace_hardirqs_on+0xbd/0x310 [ 740.210158] 271 total pagecache pages [ 740.218998] ? kasan_check_read+0x11/0x20 [ 740.223575] 0 pages in swap cache [ 740.232144] ? __kthread_parkme+0xce/0x1a0 [ 740.236452] Swap cache stats: add 0, delete 0, find 0/0 [ 740.240250] ? trace_hardirqs_off_caller+0x310/0x310 [ 740.244380] Free swap = 0kB [ 740.247839] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 740.252049] Total swap = 0kB [ 740.257420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.262504] 1965979 pages RAM [ 740.265527] ? __kthread_parkme+0xfb/0x1a0 [ 740.270617] 0 pages HighMem/MovableOnly [ 740.273638] ? rcu_gp_init+0x1260/0x1260 [ 740.279155] 342854 pages reserved [ 740.282262] kthread+0x35a/0x440 [ 740.286484] 0 pages cma reserved [ 740.290464] ? kthread_stop+0x900/0x900 [ 740.294573] aoe: skb alloc failure [ 740.297959] ret_from_fork+0x3a/0x50 [ 740.301359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 740.304781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 740.308654] syz-fuzzer cpuset=/ mems_allowed=0 [ 740.312241] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 740.315907] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 740.326118] syz-executor3 cpuset=syz3 mems_allowed=0 [ 740.332603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.332613] Call Trace: [ 740.371771] <IRQ> [ 740.373940] dump_stack+0x244/0x39d [ 740.377585] ? dump_stack_print_info.cold.1+0x20/0x20 [ 740.382797] warn_alloc.cold.116+0xb7/0x1bd [ 740.387133] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 740.391989] ? lock_downgrade+0x900/0x900 [ 740.396156] ? trace_hardirqs_off+0xb8/0x310 [ 740.400587] ? trace_hardirqs_off+0xb8/0x310 [ 740.405015] __alloc_pages_slowpath+0x2651/0x2de0 [ 740.409895] ? warn_alloc+0x120/0x120 [ 740.413711] ? warn_alloc+0x120/0x120 [ 740.417525] ? __lock_acquire+0x62f/0x4c20 [ 740.421777] ? warn_alloc+0x120/0x120 [ 740.425596] ? print_usage_bug+0xc0/0xc0 [ 740.429669] ? print_usage_bug+0xc0/0xc0 [ 740.433742] ? mark_held_locks+0x130/0x130 [ 740.437992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.443540] ? should_fail+0x22d/0xd01 [ 740.447438] ? zap_class+0x640/0x640 [ 740.451165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.456279] ? __lock_acquire+0x62f/0x4c20 [ 740.460548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.465666] ? should_fail+0x22d/0xd01 [ 740.469583] ? mark_held_locks+0x130/0x130 [ 740.473829] ? mark_held_locks+0x130/0x130 [ 740.478071] ? lock_downgrade+0x900/0x900 [ 740.482227] ? zap_class+0x640/0x640 [ 740.485953] ? zap_class+0x640/0x640 [ 740.489677] ? zap_class+0x640/0x640 [ 740.493399] ? do_raw_spin_unlock+0xa7/0x330 [ 740.497819] ? trace_hardirqs_on+0x310/0x310 [ 740.502239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.507786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.513347] ? check_preemption_disabled+0x48/0x280 [ 740.518388] ? __lock_is_held+0xb5/0x140 [ 740.522463] __alloc_pages_nodemask+0xad8/0xea0 [ 740.527196] ? zap_class+0x640/0x640 [ 740.530934] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 740.535971] ? find_held_lock+0x36/0x1c0 [ 740.540052] ? ____cache_alloc_node+0x1c7/0x1e0 [ 740.544729] ? lock_downgrade+0x900/0x900 [ 740.548894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.554448] cache_grow_begin+0xa5/0x8c0 [ 740.558516] ? do_raw_spin_unlock+0xa7/0x330 [ 740.562939] fallback_alloc+0x204/0x2e0 [ 740.566926] ____cache_alloc_node+0x1c7/0x1e0 [ 740.571441] kmem_cache_alloc_node+0xe3/0x730 [ 740.575945] ? lockdep_hardirqs_on+0x296/0x5b0 [ 740.580548] __alloc_skb+0x119/0x770 [ 740.584274] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 740.589671] ? netdev_alloc_frag+0x1f0/0x1f0 [ 740.594097] ? vprintk_default+0x28/0x30 [ 740.598171] ? vprintk_func+0x85/0x181 [ 740.602066] ? printk+0xa7/0xcf [ 740.605359] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 740.610135] new_skb+0x26/0x1c0 [ 740.613429] aoecmd_cfg+0x279/0x7f0 [ 740.617063] ? find_held_lock+0x36/0x1c0 [ 740.621136] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 740.625474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.631030] ? __lock_is_held+0xb5/0x140 [ 740.635110] discover_timer+0x50/0x60 [ 740.638921] call_timer_fn+0x272/0x920 [ 740.642816] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.647668] ? process_timeout+0x40/0x40 [ 740.651745] ? mark_held_locks+0xc7/0x130 [ 740.655905] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.660414] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.664917] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.669785] ? lockdep_hardirqs_on+0x296/0x5b0 [ 740.674384] ? trace_hardirqs_on+0xbd/0x310 [ 740.678719] ? kasan_check_read+0x11/0x20 [ 740.682873] ? __run_timers+0x7da/0xc70 [ 740.686851] ? trace_hardirqs_off_caller+0x310/0x310 [ 740.691977] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 740.696828] __run_timers+0x7e5/0xc70 [ 740.700677] ? timer_fixup_init+0x70/0x70 [ 740.704847] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 740.709874] ? zap_class+0x640/0x640 [ 740.713606] ? print_usage_bug+0xc0/0xc0 [ 740.717682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 740.722885] ? find_held_lock+0x36/0x1c0 [ 740.727004] ? zap_class+0x640/0x640 [ 740.730733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.736279] ? check_preemption_disabled+0x48/0x280 [ 740.741350] ? __lock_is_held+0xb5/0x140 [ 740.745425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.750970] ? check_preemption_disabled+0x48/0x280 [ 740.756003] run_timer_softirq+0x52/0xb0 [ 740.760069] ? rcu_read_lock_sched_held+0x14f/0x180 [ 740.765099] __do_softirq+0x308/0xb7e [ 740.768912] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 740.773415] ? lock_downgrade+0x900/0x900 [ 740.777579] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 740.782696] ? pvclock_read_flags+0x160/0x160 [ 740.787199] ? lapic_next_event+0x5a/0x90 [ 740.791361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.796910] ? kvm_clock_read+0x18/0x30 [ 740.800890] ? kvm_sched_clock_read+0x9/0x20 [ 740.805324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.810874] ? check_preemption_disabled+0x48/0x280 [ 740.815910] irq_exit+0x17f/0x1c0 [ 740.819376] smp_apic_timer_interrupt+0x1cb/0x760 [ 740.824225] ? smp_call_function_single_interrupt+0x159/0x650 [ 740.830118] ? smp_call_function_single_interrupt+0x650/0x650 [ 740.836010] ? interrupt_entry+0xb5/0xc0 [ 740.840079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 740.845105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 740.850132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.854987] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.860013] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.865038] ? task_prio+0x50/0x50 [ 740.868596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.874148] ? check_preemption_disabled+0x48/0x280 [ 740.879179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.884037] apic_timer_interrupt+0xf/0x20 [ 740.888272] </IRQ> [ 740.890535] RIP: 0010:rcu_is_watching+0x0/0x30 [ 740.895129] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 740.914035] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 740.921753] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 740.929028] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 740.936321] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 740.943601] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 740.950873] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 740.958172] ? list_lru_count_one+0x253/0x450 [ 740.962675] ? list_lru_count_one+0x35d/0x450 [ 740.967188] ? list_lru_count_one+0x362/0x450 [ 740.971693] ? list_lru_isolate_move+0x3c0/0x3c0 [ 740.976455] ? shmem_free_inode+0xd0/0xd0 [ 740.980614] ? __lock_is_held+0xb5/0x140 [ 740.984696] super_cache_count+0x1b9/0x2e0 [ 740.988944] do_shrink_slab+0x1b1/0xd30 [ 740.992938] ? snapshot_refaults+0x290/0x290 [ 740.997370] ? lock_release+0xa00/0xa00 [ 741.001373] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 741.006339] ? down_read_trylock+0xda/0x140 [ 741.010671] ? shrink_slab+0x207/0x8c0 [ 741.014576] ? downgrade_write+0x270/0x270 [ 741.018834] shrink_slab+0x389/0x8c0 [ 741.022566] ? shrink_active_list+0x1f00/0x1f00 [ 741.027254] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 741.032890] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 741.038008] ? cgroup_procs_write_finish+0xf0/0xf0 [ 741.042952] ? find_held_lock+0x36/0x1c0 [ 741.047028] shrink_node+0x431/0x16b0 [ 741.050846] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 741.056156] ? shrink_node_memcg+0x18f0/0x18f0 [ 741.060750] ? kvm_clock_read+0x18/0x30 [ 741.064740] ? ktime_get+0x2c1/0x400 [ 741.068467] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 741.072979] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.078530] ? __cpuset_node_allowed+0x19b/0x660 [ 741.083321] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 741.089046] ? delayacct_end+0x5a/0x100 [ 741.093042] do_try_to_free_pages+0x3e7/0x1290 [ 741.097635] ? zap_class+0x640/0x640 [ 741.101376] ? shrink_node+0x16b0/0x16b0 [ 741.105454] ? __lock_is_held+0xb5/0x140 [ 741.109627] try_to_free_pages+0x4d0/0xb90 [ 741.113882] ? do_try_to_free_pages+0x1290/0x1290 [ 741.118749] ? lock_acquire+0x1ed/0x520 [ 741.122737] ? set_page_refcounted+0x280/0x280 [ 741.127349] ? lock_release+0xa00/0xa00 [ 741.131348] ? _raw_spin_unlock_irq+0x60/0x80 [ 741.135851] ? psi_memstall_enter+0x240/0x2b0 [ 741.140360] ? psi_memstall_tick+0x230/0x230 [ 741.144790] __alloc_pages_slowpath+0xa48/0x2de0 [ 741.149598] ? warn_alloc+0x120/0x120 [ 741.153408] ? mark_held_locks+0x130/0x130 [ 741.157662] ? find_get_entry+0xaae/0x1120 [ 741.161915] ? filemap_map_pages+0x1a20/0x1a20 [ 741.166511] ? zap_class+0x640/0x640 [ 741.170242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.175789] ? check_preemption_disabled+0x48/0x280 [ 741.180815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.186362] ? should_fail+0x22d/0xd01 [ 741.190266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 741.195401] ? zap_class+0x640/0x640 [ 741.199152] ? __lock_is_held+0xb5/0x140 [ 741.203233] ? mark_held_locks+0x130/0x130 [ 741.207483] ? lock_release+0xa00/0xa00 [ 741.211478] ? perf_trace_sched_process_exec+0x860/0x860 [ 741.216934] ? xa_load+0x2ba/0x460 [ 741.220488] ? lock_downgrade+0x900/0x900 [ 741.224651] ? __might_sleep+0x95/0x190 [ 741.228640] __alloc_pages_nodemask+0xad8/0xea0 [ 741.233339] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 741.238371] ? __page_cache_alloc+0x191/0x5c0 [ 741.242870] ? xa_load+0x2e1/0x460 [ 741.246419] ? xa_clear_mark+0x40/0x40 [ 741.250337] ? zap_class+0x640/0x640 [ 741.254066] ? zap_class+0x640/0x640 [ 741.257788] ? zap_class+0x640/0x640 [ 741.261512] ? __do_page_cache_readahead+0x663/0x810 [ 741.266631] ? find_held_lock+0x36/0x1c0 [ 741.270704] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 741.276258] alloc_pages_current+0x173/0x350 [ 741.280683] __page_cache_alloc+0x38c/0x5c0 [ 741.285014] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.289953] ? kasan_check_read+0x11/0x20 [ 741.294109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.299405] ? generic_perform_write+0x6a0/0x6a0 [ 741.304173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.309722] ? check_preemption_disabled+0x48/0x280 [ 741.314758] filemap_fault+0x1595/0x25f0 [ 741.318845] ? __lock_page_or_retry+0xa00/0xa00 [ 741.323527] ? mark_held_locks+0x130/0x130 [ 741.327785] ? filemap_map_pages+0xd6b/0x1a20 [ 741.332288] ? lock_downgrade+0x900/0x900 [ 741.336471] ? check_preemption_disabled+0x48/0x280 [ 741.341499] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.346438] ? kasan_check_read+0x11/0x20 [ 741.350596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.355880] ? rcu_softirq_qs+0x20/0x20 [ 741.359878] ? filemap_map_pages+0xd92/0x1a20 [ 741.364396] ? find_get_entries_tag+0x1400/0x1400 [ 741.369249] ? debug_object_destroy+0x2b0/0x2b0 [ 741.373929] ? lock_pi_update_atomic+0x150/0x150 [ 741.378691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.384248] ? lock_acquire+0x1ed/0x520 [ 741.388231] ? ext4_filemap_fault+0x7a/0xad [ 741.392575] ? lock_release+0xa00/0xa00 [ 741.396563] ? perf_trace_sched_process_exec+0x860/0x860 [ 741.402025] ? print_usage_bug+0xc0/0xc0 [ 741.406095] ? print_usage_bug+0xc0/0xc0 [ 741.410181] ? down_read+0x8d/0x120 [ 741.413812] ? ext4_filemap_fault+0x7a/0xad [ 741.418147] ? __down_interruptible+0x700/0x700 [ 741.422834] ext4_filemap_fault+0x82/0xad [ 741.426991] __do_fault+0x100/0x6b0 [ 741.430623] ? release_sock+0x1ec/0x2c0 [ 741.434610] ? pmd_devmap_trans_unstable+0x220/0x220 [ 741.439723] ? mark_held_locks+0x130/0x130 [ 741.443971] ? mark_held_locks+0x130/0x130 [ 741.448209] ? lock_sock_nested+0x9a/0x120 [ 741.452458] ? __release_sock+0x3a0/0x3a0 [ 741.456618] ? __local_bh_enable_ip+0x160/0x260 [ 741.461317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.466869] __handle_mm_fault+0x3ea0/0x5be0 [ 741.471294] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 741.476165] ? apparmor_socket_sendmsg+0x29/0x30 [ 741.480928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.486479] ? security_socket_sendmsg+0x94/0xc0 [ 741.491250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.496813] ? zap_class+0x640/0x640 [ 741.500535] ? zap_class+0x640/0x640 [ 741.504260] ? __x64_sys_futex+0x53e/0x6a0 [ 741.508510] ? find_held_lock+0x36/0x1c0 [ 741.512596] ? handle_mm_fault+0x42a/0xc70 [ 741.516845] ? lock_downgrade+0x900/0x900 [ 741.521002] ? check_preemption_disabled+0x48/0x280 [ 741.526056] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 741.531013] ? kasan_check_read+0x11/0x20 [ 741.535172] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 741.540457] ? rcu_softirq_qs+0x20/0x20 [ 741.544525] ? trace_hardirqs_off_caller+0x310/0x310 [ 741.549643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.555190] ? check_preemption_disabled+0x48/0x280 [ 741.560226] handle_mm_fault+0x54f/0xc70 [ 741.564320] ? __handle_mm_fault+0x5be0/0x5be0 [ 741.568920] ? find_vma+0x34/0x190 [ 741.572474] __do_page_fault+0x5e8/0xe60 [ 741.576543] ? trace_hardirqs_off+0xb8/0x310 [ 741.580962] ? __ia32_sys_read+0xb0/0xb0 [ 741.585045] do_page_fault+0xf2/0x7e0 [ 741.588857] ? vmalloc_sync_all+0x30/0x30 [ 741.593017] ? error_entry+0x70/0xd0 [ 741.596745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 741.601770] ? trace_hardirqs_on_caller+0xc0/0x310 [ 741.606708] ? syscall_return_slowpath+0x5e0/0x5e0 [ 741.611645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 741.616499] ? trace_hardirqs_on_caller+0x310/0x310 [ 741.621522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 741.626987] ? prepare_exit_to_usermode+0x291/0x3b0 [ 741.632013] ? page_fault+0x8/0x30 [ 741.635574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 741.640429] ? page_fault+0x8/0x30 [ 741.643982] page_fault+0x1e/0x30 [ 741.647448] RIP: 0033:0x45ddf3 [ 741.650662] Code: Bad RIP value. [ 741.654030] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 741.659401] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 741.666675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 741.673949] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 741.681225] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 741.688501] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 741.695804] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 741.695806] Mem-Info: [ 741.695837] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 741.695837] active_file:13 inactive_file:14 isolated_file:0 [ 741.695837] unevictable:0 dirty:0 writeback:0 unstable:0 [ 741.695837] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 741.695837] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 741.695837] free:13773 free_pcp:174 free_cma:0 [ 741.703085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.703093] Call Trace: [ 741.705547] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 741.738486] <IRQ> [ 741.747833] 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 [ 741.750421] dump_stack+0x244/0x39d [ 741.777899] lowmem_reserve[]: 0 2818 6321 6321 [ 741.780063] ? dump_stack_print_info.cold.1+0x20/0x20 [ 741.806150] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 741.809792] warn_alloc.cold.116+0xb7/0x1bd [ 741.814342] lowmem_reserve[]: 0 0 3503 3503 [ 741.819539] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 741.847021] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 741.851351] ? lock_downgrade+0x900/0x900 [ 741.855653] lowmem_reserve[]: 0 0 0 0 [ 741.860503] ? trace_hardirqs_off+0xb8/0x310 [ 741.889373] 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 [ 741.893524] ? trace_hardirqs_off+0xb8/0x310 [ 741.897324] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 741.901740] __alloc_pages_slowpath+0x2651/0x2de0 [ 741.915237] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 741.919685] ? warn_alloc+0x120/0x120 [ 741.935606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 741.940448] ? print_usage_bug+0xc0/0xc0 [ 741.954046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 741.957846] ? warn_alloc+0x120/0x120 [ 741.966906] 271 total pagecache pages [ 741.970973] ? warn_alloc+0x120/0x120 [ 741.979539] 0 pages in swap cache [ 741.983342] ? print_usage_bug+0xc0/0xc0 [ 741.987128] Swap cache stats: add 0, delete 0, find 0/0 [ 741.990927] ? print_usage_bug+0xc0/0xc0 [ 741.994364] Free swap = 0kB [ 741.998426] ? __lock_acquire+0x62f/0x4c20 [ 742.003775] Total swap = 0kB [ 742.007842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.010842] 1965979 pages RAM [ 742.015082] ? should_fail+0x22d/0xd01 [ 742.018087] 0 pages HighMem/MovableOnly [ 742.023628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.026718] 342854 pages reserved [ 742.030608] ? __lock_acquire+0x62f/0x4c20 [ 742.034564] 0 pages cma reserved [ 742.039669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.043169] aoe: skb alloc failure [ 742.047365] ? __lock_acquire+0x62f/0x4c20 [ 742.047378] ? should_fail+0x22d/0xd01 [ 742.047393] ? find_held_lock+0x36/0x1c0 [ 742.047415] ? mark_held_locks+0x130/0x130 [ 742.050796] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 742.055874] ? mark_held_locks+0x130/0x130 [ 742.059401] syz-fuzzer cpuset=/ mems_allowed=0 [ 742.063640] ? zap_class+0x640/0x640 [ 742.099017] ? zap_class+0x640/0x640 [ 742.102747] ? print_usage_bug+0xc0/0xc0 [ 742.106820] ? do_raw_spin_unlock+0xa7/0x330 [ 742.111242] ? zap_class+0x640/0x640 [ 742.114967] ? print_usage_bug+0xc0/0xc0 [ 742.119038] ? wq_watchdog_touch+0x9c/0xfe [ 742.123294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.128862] ? check_preemption_disabled+0x48/0x280 [ 742.133902] ? __lock_is_held+0xb5/0x140 [ 742.137981] __alloc_pages_nodemask+0xad8/0xea0 [ 742.142659] ? zap_class+0x640/0x640 [ 742.146391] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 742.151429] ? find_held_lock+0x36/0x1c0 [ 742.155509] ? ____cache_alloc_node+0x1c7/0x1e0 [ 742.160192] ? lock_downgrade+0x900/0x900 [ 742.164363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.169916] cache_grow_begin+0xa5/0x8c0 [ 742.173990] ? do_raw_spin_unlock+0xa7/0x330 [ 742.178417] fallback_alloc+0x204/0x2e0 [ 742.182411] ____cache_alloc_node+0x1c7/0x1e0 [ 742.186923] kmem_cache_alloc_node+0xe3/0x730 [ 742.191428] ? ipv6_get_ifaddr+0x42e/0x620 [ 742.195683] __alloc_skb+0x119/0x770 [ 742.199406] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 742.204695] ? netdev_alloc_frag+0x1f0/0x1f0 [ 742.209114] ? lock_downgrade+0x900/0x900 [ 742.213279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.218845] ? refcount_sub_and_test_checked+0x203/0x310 [ 742.224325] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 742.229793] ? addrconf_rs_timer+0x690/0x690 [ 742.234226] ndisc_alloc_skb+0x144/0x340 [ 742.238324] ndisc_send_rs+0x331/0x6e0 [ 742.242234] addrconf_rs_timer+0x314/0x690 [ 742.246483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 742.250740] call_timer_fn+0x272/0x920 [ 742.254637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 742.258888] ? process_timeout+0x40/0x40 [ 742.262966] ? __run_timers+0x7da/0xc70 [ 742.266954] ? _raw_spin_unlock_irq+0x27/0x80 [ 742.271460] ? _raw_spin_unlock_irq+0x27/0x80 [ 742.275964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 742.280213] ? lockdep_hardirqs_on+0x296/0x5b0 [ 742.284804] ? trace_hardirqs_on+0xbd/0x310 [ 742.289138] ? kasan_check_read+0x11/0x20 [ 742.293293] ? __run_timers+0x7da/0xc70 [ 742.297317] ? trace_hardirqs_off_caller+0x310/0x310 [ 742.302441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 742.306689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 742.310932] __run_timers+0x7e5/0xc70 [ 742.314754] ? timer_fixup_init+0x70/0x70 [ 742.318915] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 742.323941] ? zap_class+0x640/0x640 [ 742.327667] ? enqueue_hrtimer+0x1a5/0x560 [ 742.331912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 742.337118] ? find_held_lock+0x36/0x1c0 [ 742.341194] ? zap_class+0x640/0x640 [ 742.344921] ? pvclock_read_flags+0x160/0x160 [ 742.349433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.354981] ? check_preemption_disabled+0x48/0x280 [ 742.360015] ? __lock_is_held+0xb5/0x140 [ 742.364088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.369639] ? check_preemption_disabled+0x48/0x280 [ 742.374670] run_timer_softirq+0x52/0xb0 [ 742.378743] ? rcu_read_lock_sched_held+0x14f/0x180 [ 742.383770] __do_softirq+0x308/0xb7e [ 742.387585] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 742.392092] ? lock_downgrade+0x900/0x900 [ 742.396258] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 742.401378] ? pvclock_read_flags+0x160/0x160 [ 742.405887] ? lapic_next_event+0x5a/0x90 [ 742.410048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.415608] ? kvm_clock_read+0x18/0x30 [ 742.419591] ? kvm_sched_clock_read+0x9/0x20 [ 742.424014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.429565] ? check_preemption_disabled+0x48/0x280 [ 742.434601] irq_exit+0x17f/0x1c0 [ 742.438069] smp_apic_timer_interrupt+0x1cb/0x760 [ 742.442921] ? smp_reschedule_interrupt+0x109/0x650 [ 742.447953] ? smp_call_function_single_interrupt+0x650/0x650 [ 742.453846] ? interrupt_entry+0xb5/0xc0 [ 742.457917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 742.462955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 742.468001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.472855] ? trace_hardirqs_on_caller+0x310/0x310 [ 742.477934] ? trace_hardirqs_on_caller+0x310/0x310 [ 742.482970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.487831] apic_timer_interrupt+0xf/0x20 [ 742.492072] </IRQ> [ 742.494335] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 742.500235] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 742.519149] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 742.526869] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 742.534158] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 742.541434] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 742.548706] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 742.555979] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 742.563290] ? save_stack+0xa9/0xd0 [ 742.566958] __kmalloc_node_track_caller+0x3c/0x70 [ 742.571901] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 742.576677] pskb_expand_head+0x230/0x10f0 [ 742.580922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 742.586386] ? memcpy+0x45/0x50 [ 742.589676] ? __copy_skb_header+0x350/0x6b0 [ 742.594098] ? skb_release_data+0x880/0x880 [ 742.598428] ? __alloc_skb+0x770/0x770 [ 742.602360] ? __lock_is_held+0xb5/0x140 [ 742.606443] ? kasan_check_write+0x14/0x20 [ 742.610689] ? __skb_clone+0x6c7/0xa00 [ 742.614590] ? __copy_skb_header+0x6b0/0x6b0 [ 742.619004] ? kmem_cache_alloc+0x33a/0x730 [ 742.623356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.628912] skb_ensure_writable+0x3dd/0x640 [ 742.633352] ? skb_checksum_setup+0xaa0/0xaa0 [ 742.637859] ? preempt_notifier_register+0x200/0x200 [ 742.642967] ? __switch_to_asm+0x34/0x70 [ 742.647033] ? __switch_to_asm+0x34/0x70 [ 742.651101] ? __switch_to_asm+0x40/0x70 [ 742.655168] ? __switch_to_asm+0x34/0x70 [ 742.659255] ? __switch_to_asm+0x40/0x70 [ 742.663340] ? __switch_to_asm+0x40/0x70 [ 742.667409] ? __switch_to_asm+0x34/0x70 [ 742.671480] ? __switch_to_asm+0x34/0x70 [ 742.675551] ? __switch_to_asm+0x40/0x70 [ 742.679618] ? __switch_to_asm+0x34/0x70 [ 742.683692] bpf_clone_redirect+0x14a/0x490 [ 742.688034] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 742.693069] ? __sched_text_start+0x8/0x8 [ 742.697224] ? retint_kernel+0x2d/0x2d [ 742.701134] ? find_held_lock+0x36/0x1c0 [ 742.705210] ? lock_acquire+0x1ed/0x520 [ 742.709193] ? bpf_test_run+0x3cb/0x780 [ 742.713178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.718726] ? check_preemption_disabled+0x48/0x280 [ 742.723757] ? kasan_check_read+0x11/0x20 [ 742.727916] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 742.733203] ? rcu_softirq_qs+0x20/0x20 [ 742.737190] ? preempt_schedule+0x4d/0x60 [ 742.741357] ? ___preempt_schedule+0x16/0x18 [ 742.745789] ? bpf_test_run+0x25d/0x780 [ 742.749783] ? netlink_diag_dump+0x2a0/0x2a0 [ 742.754204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.759748] ? bpf_test_init.isra.10+0x70/0x100 [ 742.764435] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 742.769208] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 742.774065] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 742.779615] ? fput+0x130/0x1a0 [ 742.782907] ? __bpf_prog_get+0x9b/0x290 [ 742.786981] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 742.791832] ? bpf_prog_test_run+0x130/0x1a0 [ 742.796257] ? __x64_sys_bpf+0x3d8/0x520 [ 742.800341] ? bpf_prog_get+0x20/0x20 [ 742.804173] ? do_syscall_64+0x1b9/0x820 [ 742.808242] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 742.813618] ? syscall_return_slowpath+0x5e0/0x5e0 [ 742.818613] ? trace_hardirqs_on_caller+0x310/0x310 [ 742.823641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 742.828671] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 742.835359] ? __switch_to_asm+0x40/0x70 [ 742.839430] ? __switch_to_asm+0x34/0x70 [ 742.843506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.848374] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 742.853770] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 742.853839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 742.860794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.860804] Call Trace: [ 742.867417] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 742.876664] <IRQ> [ 742.879244] syz-executor3 cpuset=syz3 mems_allowed=0 [ 742.889729] dump_stack+0x244/0x39d [ 742.900602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 742.905813] warn_alloc.cold.116+0xb7/0x1bd [ 742.910149] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 742.915007] ? lock_downgrade+0x900/0x900 [ 742.919173] ? trace_hardirqs_off+0xb8/0x310 [ 742.923599] ? trace_hardirqs_off+0xb8/0x310 [ 742.928028] __alloc_pages_slowpath+0x2651/0x2de0 [ 742.932910] ? warn_alloc+0x120/0x120 [ 742.936730] ? warn_alloc+0x120/0x120 [ 742.940542] ? __lock_acquire+0x62f/0x4c20 [ 742.944796] ? warn_alloc+0x120/0x120 [ 742.948606] ? print_usage_bug+0xc0/0xc0 [ 742.952677] ? print_usage_bug+0xc0/0xc0 [ 742.956749] ? mark_held_locks+0x130/0x130 [ 742.961000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.966549] ? should_fail+0x22d/0xd01 [ 742.970468] ? zap_class+0x640/0x640 [ 742.974196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.979329] ? __lock_acquire+0x62f/0x4c20 [ 742.983583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 742.988695] ? should_fail+0x22d/0xd01 [ 742.992604] ? mark_held_locks+0x130/0x130 [ 742.996852] ? mark_held_locks+0x130/0x130 [ 743.001099] ? lock_downgrade+0x900/0x900 [ 743.005258] ? zap_class+0x640/0x640 [ 743.008986] ? zap_class+0x640/0x640 [ 743.012715] ? zap_class+0x640/0x640 [ 743.016439] ? do_raw_spin_unlock+0xa7/0x330 [ 743.020863] ? trace_hardirqs_on+0x310/0x310 [ 743.025280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.030848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.036397] ? check_preemption_disabled+0x48/0x280 [ 743.041443] ? __lock_is_held+0xb5/0x140 [ 743.045524] __alloc_pages_nodemask+0xad8/0xea0 [ 743.050209] ? zap_class+0x640/0x640 [ 743.053940] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 743.058981] ? find_held_lock+0x36/0x1c0 [ 743.063063] ? ____cache_alloc_node+0x1c7/0x1e0 [ 743.067743] ? lock_downgrade+0x900/0x900 [ 743.071908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.077466] cache_grow_begin+0xa5/0x8c0 [ 743.081544] ? do_raw_spin_unlock+0xa7/0x330 [ 743.085976] fallback_alloc+0x204/0x2e0 [ 743.089966] ____cache_alloc_node+0x1c7/0x1e0 [ 743.094478] kmem_cache_alloc_node+0xe3/0x730 [ 743.098983] ? lockdep_hardirqs_on+0x296/0x5b0 [ 743.103589] __alloc_skb+0x119/0x770 [ 743.107332] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 743.112711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 743.117142] ? vprintk_default+0x28/0x30 [ 743.121213] ? vprintk_func+0x85/0x181 [ 743.125110] ? printk+0xa7/0xcf [ 743.128403] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 743.133177] new_skb+0x26/0x1c0 [ 743.136471] aoecmd_cfg+0x279/0x7f0 [ 743.140109] ? find_held_lock+0x36/0x1c0 [ 743.144187] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 743.148529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.154091] ? __lock_is_held+0xb5/0x140 [ 743.158174] discover_timer+0x50/0x60 [ 743.161986] call_timer_fn+0x272/0x920 [ 743.165882] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 743.170736] ? process_timeout+0x40/0x40 [ 743.174819] ? mark_held_locks+0xc7/0x130 [ 743.178982] ? _raw_spin_unlock_irq+0x27/0x80 [ 743.183487] ? _raw_spin_unlock_irq+0x27/0x80 [ 743.187994] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 743.192845] ? lockdep_hardirqs_on+0x296/0x5b0 [ 743.197442] ? trace_hardirqs_on+0xbd/0x310 [ 743.201777] ? kasan_check_read+0x11/0x20 [ 743.205933] ? __run_timers+0x7da/0xc70 [ 743.209920] ? trace_hardirqs_off_caller+0x310/0x310 [ 743.215147] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 743.219995] __run_timers+0x7e5/0xc70 [ 743.223818] ? timer_fixup_init+0x70/0x70 [ 743.227981] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 743.233008] ? zap_class+0x640/0x640 [ 743.236739] ? print_usage_bug+0xc0/0xc0 [ 743.240817] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 743.246024] ? find_held_lock+0x36/0x1c0 [ 743.250173] ? zap_class+0x640/0x640 [ 743.253900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.259450] ? check_preemption_disabled+0x48/0x280 [ 743.264488] ? __lock_is_held+0xb5/0x140 [ 743.268574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.274119] ? check_preemption_disabled+0x48/0x280 [ 743.279152] run_timer_softirq+0x52/0xb0 [ 743.283224] ? rcu_read_lock_sched_held+0x14f/0x180 [ 743.288255] __do_softirq+0x308/0xb7e [ 743.292068] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 743.296572] ? lock_downgrade+0x900/0x900 [ 743.300730] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 743.305847] ? pvclock_read_flags+0x160/0x160 [ 743.310349] ? lapic_next_event+0x5a/0x90 [ 743.314500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.320044] ? kvm_clock_read+0x18/0x30 [ 743.324020] ? kvm_sched_clock_read+0x9/0x20 [ 743.328434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.333974] ? check_preemption_disabled+0x48/0x280 [ 743.339001] irq_exit+0x17f/0x1c0 [ 743.342459] smp_apic_timer_interrupt+0x1cb/0x760 [ 743.347307] ? smp_call_function_single_interrupt+0x159/0x650 [ 743.353194] ? smp_call_function_single_interrupt+0x650/0x650 [ 743.359082] ? interrupt_entry+0xb5/0xc0 [ 743.363146] ? trace_hardirqs_off_caller+0xbb/0x310 [ 743.368163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 743.373182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.378026] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.383040] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.388060] ? task_prio+0x50/0x50 [ 743.391602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.397145] ? check_preemption_disabled+0x48/0x280 [ 743.402173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.407024] apic_timer_interrupt+0xf/0x20 [ 743.411255] </IRQ> [ 743.413492] RIP: 0010:rcu_is_watching+0x0/0x30 [ 743.418075] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 743.436984] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 743.444689] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 743.451964] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 743.459271] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 743.466566] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 743.473834] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 743.481123] ? list_lru_count_one+0x253/0x450 [ 743.485631] ? list_lru_count_one+0x35d/0x450 [ 743.490191] ? list_lru_count_one+0x362/0x450 [ 743.494717] ? list_lru_isolate_move+0x3c0/0x3c0 [ 743.499474] ? shmem_free_inode+0xd0/0xd0 [ 743.503623] ? __lock_is_held+0xb5/0x140 [ 743.507691] super_cache_count+0x1b9/0x2e0 [ 743.511936] do_shrink_slab+0x1b1/0xd30 [ 743.515920] ? snapshot_refaults+0x290/0x290 [ 743.520334] ? lock_release+0xa00/0xa00 [ 743.524339] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 743.529308] ? down_read_trylock+0xda/0x140 [ 743.533639] ? shrink_slab+0x207/0x8c0 [ 743.537547] ? downgrade_write+0x270/0x270 [ 743.541805] shrink_slab+0x389/0x8c0 [ 743.545529] ? shrink_active_list+0x1f00/0x1f00 [ 743.550208] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 743.555839] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 743.560950] ? cgroup_procs_write_finish+0xf0/0xf0 [ 743.565884] ? find_held_lock+0x36/0x1c0 [ 743.569950] shrink_node+0x431/0x16b0 [ 743.573754] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 743.579053] ? shrink_node_memcg+0x18f0/0x18f0 [ 743.583644] ? kvm_clock_read+0x18/0x30 [ 743.587622] ? ktime_get+0x2c1/0x400 [ 743.591370] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 743.595871] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 743.601416] ? __cpuset_node_allowed+0x19b/0x660 [ 743.606176] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 743.611885] ? delayacct_end+0x5a/0x100 [ 743.615877] do_try_to_free_pages+0x3e7/0x1290 [ 743.620505] ? zap_class+0x640/0x640 [ 743.624277] ? shrink_node+0x16b0/0x16b0 [ 743.628348] ? __lock_is_held+0xb5/0x140 [ 743.632424] try_to_free_pages+0x4d0/0xb90 [ 743.636662] ? do_try_to_free_pages+0x1290/0x1290 [ 743.641522] ? lock_acquire+0x1ed/0x520 [ 743.645497] ? set_page_refcounted+0x280/0x280 [ 743.650089] ? lock_release+0xa00/0xa00 [ 743.654064] ? _raw_spin_unlock_irq+0x60/0x80 [ 743.658563] ? psi_memstall_enter+0x240/0x2b0 [ 743.663058] ? psi_memstall_tick+0x230/0x230 [ 743.667482] __alloc_pages_slowpath+0xa48/0x2de0 [ 743.672275] ? warn_alloc+0x120/0x120 [ 743.676086] ? mark_held_locks+0x130/0x130 [ 743.680343] ? find_get_entry+0xaae/0x1120 [ 743.684598] ? filemap_map_pages+0x1a20/0x1a20 [ 743.689194] ? zap_class+0x640/0x640 [ 743.692913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.698456] ? check_preemption_disabled+0x48/0x280 [ 743.703473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.709013] ? should_fail+0x22d/0xd01 [ 743.712908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 743.718016] ? zap_class+0x640/0x640 [ 743.721755] ? __lock_is_held+0xb5/0x140 [ 743.725827] ? mark_held_locks+0x130/0x130 [ 743.730063] ? lock_release+0xa00/0xa00 [ 743.734037] ? perf_trace_sched_process_exec+0x860/0x860 [ 743.739482] ? xa_load+0x2ba/0x460 [ 743.743023] ? lock_downgrade+0x900/0x900 [ 743.747182] ? __might_sleep+0x95/0x190 [ 743.751173] __alloc_pages_nodemask+0xad8/0xea0 [ 743.755846] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 743.760863] ? __page_cache_alloc+0x191/0x5c0 [ 743.765383] ? xa_load+0x2e1/0x460 [ 743.768936] ? xa_clear_mark+0x40/0x40 [ 743.772825] ? zap_class+0x640/0x640 [ 743.776543] ? zap_class+0x640/0x640 [ 743.780274] ? zap_class+0x640/0x640 [ 743.784011] ? __do_page_cache_readahead+0x663/0x810 [ 743.789114] ? find_held_lock+0x36/0x1c0 [ 743.793177] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 743.798716] alloc_pages_current+0x173/0x350 [ 743.803146] __page_cache_alloc+0x38c/0x5c0 [ 743.807466] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.812402] ? kasan_check_read+0x11/0x20 [ 743.816549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.821830] ? generic_perform_write+0x6a0/0x6a0 [ 743.826587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.832162] ? check_preemption_disabled+0x48/0x280 [ 743.837205] filemap_fault+0x1595/0x25f0 [ 743.841278] ? __lock_page_or_retry+0xa00/0xa00 [ 743.845958] ? mark_held_locks+0x130/0x130 [ 743.850214] ? filemap_map_pages+0xd6b/0x1a20 [ 743.854707] ? lock_downgrade+0x900/0x900 [ 743.858853] ? check_preemption_disabled+0x48/0x280 [ 743.863871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 743.868827] ? kasan_check_read+0x11/0x20 [ 743.872972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 743.878249] ? rcu_softirq_qs+0x20/0x20 [ 743.882237] ? filemap_map_pages+0xd92/0x1a20 [ 743.886742] ? find_get_entries_tag+0x1400/0x1400 [ 743.891593] ? debug_object_destroy+0x2b0/0x2b0 [ 743.896281] ? lock_pi_update_atomic+0x150/0x150 [ 743.901046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.906603] ? lock_acquire+0x1ed/0x520 [ 743.910579] ? ext4_filemap_fault+0x7a/0xad [ 743.914916] ? lock_release+0xa00/0xa00 [ 743.918888] ? perf_trace_sched_process_exec+0x860/0x860 [ 743.924338] ? print_usage_bug+0xc0/0xc0 [ 743.928405] ? print_usage_bug+0xc0/0xc0 [ 743.932482] ? down_read+0x8d/0x120 [ 743.936119] ? ext4_filemap_fault+0x7a/0xad [ 743.940459] ? __down_interruptible+0x700/0x700 [ 743.945139] ext4_filemap_fault+0x82/0xad [ 743.949291] __do_fault+0x100/0x6b0 [ 743.952925] ? release_sock+0x1ec/0x2c0 [ 743.956904] ? pmd_devmap_trans_unstable+0x220/0x220 [ 743.962013] ? mark_held_locks+0x130/0x130 [ 743.966446] ? mark_held_locks+0x130/0x130 [ 743.970678] ? lock_sock_nested+0x9a/0x120 [ 743.974918] ? __release_sock+0x3a0/0x3a0 [ 743.979066] ? __local_bh_enable_ip+0x160/0x260 [ 743.983733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.989272] __handle_mm_fault+0x3ea0/0x5be0 [ 743.993703] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 743.998557] ? apparmor_socket_sendmsg+0x29/0x30 [ 744.003324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.008862] ? security_socket_sendmsg+0x94/0xc0 [ 744.013623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.019178] ? zap_class+0x640/0x640 [ 744.022904] ? zap_class+0x640/0x640 [ 744.026614] ? __x64_sys_futex+0x53e/0x6a0 [ 744.030855] ? find_held_lock+0x36/0x1c0 [ 744.034925] ? handle_mm_fault+0x42a/0xc70 [ 744.039161] ? lock_downgrade+0x900/0x900 [ 744.043332] ? check_preemption_disabled+0x48/0x280 [ 744.048363] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 744.053291] ? kasan_check_read+0x11/0x20 [ 744.057446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 744.062721] ? rcu_softirq_qs+0x20/0x20 [ 744.066691] ? trace_hardirqs_off_caller+0x310/0x310 [ 744.071793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.077338] ? check_preemption_disabled+0x48/0x280 [ 744.082362] handle_mm_fault+0x54f/0xc70 [ 744.086438] ? __handle_mm_fault+0x5be0/0x5be0 [ 744.091037] ? find_vma+0x34/0x190 [ 744.094794] __do_page_fault+0x5e8/0xe60 [ 744.098873] ? trace_hardirqs_off+0xb8/0x310 [ 744.103282] ? __ia32_sys_read+0xb0/0xb0 [ 744.107368] do_page_fault+0xf2/0x7e0 [ 744.111170] ? vmalloc_sync_all+0x30/0x30 [ 744.115365] ? error_entry+0x70/0xd0 [ 744.119082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 744.124095] ? trace_hardirqs_on_caller+0xc0/0x310 [ 744.129035] ? syscall_return_slowpath+0x5e0/0x5e0 [ 744.133964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.138806] ? trace_hardirqs_on_caller+0x310/0x310 [ 744.143824] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 744.149320] ? prepare_exit_to_usermode+0x291/0x3b0 [ 744.154339] ? page_fault+0x8/0x30 [ 744.157895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.162737] ? page_fault+0x8/0x30 [ 744.166281] page_fault+0x1e/0x30 [ 744.169743] RIP: 0033:0x45ddf3 [ 744.172946] Code: Bad RIP value. [ 744.176313] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 744.181674] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 744.188940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 744.196205] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 744.203474] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 744.210740] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 744.218043] warn_alloc_show_mem: 1 callbacks suppressed [ 744.218055] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 744.218057] Mem-Info: [ 744.218091] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 744.218091] active_file:13 inactive_file:14 isolated_file:0 [ 744.218091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 744.218091] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 744.218091] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 744.218091] free:13773 free_pcp:174 free_cma:0 [ 744.223436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.230715] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 744.233116] Call Trace: [ 744.266071] 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 [ 744.275413] <IRQ> [ 744.303007] lowmem_reserve[]: 0 2818 6321 6321 [ 744.305590] dump_stack+0x244/0x39d [ 744.331668] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 744.333817] ? dump_stack_print_info.cold.1+0x20/0x20 [ 744.338367] lowmem_reserve[]: 0 0 3503 3503 [ 744.341999] warn_alloc.cold.116+0xb7/0x1bd [ 744.369467] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 744.374650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 744.378945] lowmem_reserve[]: 0 0 0 0 [ 744.383264] ? lock_downgrade+0x900/0x900 [ 744.412123] 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 [ 744.416961] ? trace_hardirqs_off+0xb8/0x310 [ 744.420730] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 744.424872] ? trace_hardirqs_off+0xb8/0x310 [ 744.438366] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 744.442773] __alloc_pages_slowpath+0x2651/0x2de0 [ 744.458732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 744.463165] ? warn_alloc+0x120/0x120 [ 744.476737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 744.481569] ? print_usage_bug+0xc0/0xc0 [ 744.490385] 271 total pagecache pages [ 744.494189] ? warn_alloc+0x120/0x120 [ 744.502750] 0 pages in swap cache [ 744.506800] ? warn_alloc+0x120/0x120 [ 744.510584] Swap cache stats: add 0, delete 0, find 0/0 [ 744.514375] ? print_usage_bug+0xc0/0xc0 [ 744.517801] Free swap = 0kB [ 744.521614] ? kvm_clock_read+0x18/0x30 [ 744.526962] Total swap = 0kB [ 744.531013] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 744.531030] ? print_usage_bug+0xc0/0xc0 [ 744.534033] 1965979 pages RAM [ 744.538001] ? __lock_acquire+0x62f/0x4c20 [ 744.540998] 0 pages HighMem/MovableOnly [ 744.546010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.550042] 342854 pages reserved [ 744.553148] ? should_fail+0x22d/0xd01 [ 744.557359] 0 pages cma reserved [ 744.561329] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 744.566915] aoe: skb alloc failure [ 744.570308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 744.574291] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 744.577559] ? __lock_acquire+0x62f/0x4c20 [ 744.582815] syz-fuzzer cpuset=/ mems_allowed=0 [ 744.586387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 744.615536] ? __lock_acquire+0x62f/0x4c20 [ 744.619767] ? should_fail+0x22d/0xd01 [ 744.623664] ? rcu_irq_exit+0x1a2/0x390 [ 744.627647] ? mark_held_locks+0x130/0x130 [ 744.631885] ? mark_held_locks+0x130/0x130 [ 744.636122] ? mark_held_locks+0xc7/0x130 [ 744.640268] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 744.645290] ? zap_class+0x640/0x640 [ 744.649012] ? print_usage_bug+0xc0/0xc0 [ 744.653082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.658622] ? check_preemption_disabled+0x48/0x280 [ 744.663650] ? __lock_is_held+0xb5/0x140 [ 744.667753] __alloc_pages_nodemask+0xad8/0xea0 [ 744.672421] ? zap_class+0x640/0x640 [ 744.676136] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 744.681160] ? find_held_lock+0x36/0x1c0 [ 744.685260] ? ____cache_alloc_node+0x1c7/0x1e0 [ 744.689953] ? lock_downgrade+0x900/0x900 [ 744.694105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.699643] cache_grow_begin+0xa5/0x8c0 [ 744.703701] ? do_raw_spin_unlock+0xa7/0x330 [ 744.708113] fallback_alloc+0x204/0x2e0 [ 744.712096] ____cache_alloc_node+0x1c7/0x1e0 [ 744.716596] kmem_cache_alloc_node+0xe3/0x730 [ 744.721091] ? ipv6_get_ifaddr+0x42e/0x620 [ 744.725354] __alloc_skb+0x119/0x770 [ 744.729072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 744.734350] ? netdev_alloc_frag+0x1f0/0x1f0 [ 744.738757] ? lock_downgrade+0x900/0x900 [ 744.742939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.748491] ? refcount_sub_and_test_checked+0x203/0x310 [ 744.753945] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 744.759396] ? addrconf_rs_timer+0x690/0x690 [ 744.763812] ndisc_alloc_skb+0x144/0x340 [ 744.767873] ndisc_send_rs+0x331/0x6e0 [ 744.771761] addrconf_rs_timer+0x314/0x690 [ 744.775994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 744.780235] call_timer_fn+0x272/0x920 [ 744.784137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 744.788381] ? process_timeout+0x40/0x40 [ 744.792448] ? __run_timers+0x7da/0xc70 [ 744.796420] ? _raw_spin_unlock_irq+0x27/0x80 [ 744.800911] ? _raw_spin_unlock_irq+0x27/0x80 [ 744.805407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 744.809644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 744.814226] ? trace_hardirqs_on+0xbd/0x310 [ 744.818551] ? kasan_check_read+0x11/0x20 [ 744.822695] ? __run_timers+0x7da/0xc70 [ 744.826675] ? trace_hardirqs_off_caller+0x310/0x310 [ 744.831793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 744.836025] __run_timers+0x7e5/0xc70 [ 744.839843] ? timer_fixup_init+0x70/0x70 [ 744.843994] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 744.849043] ? zap_class+0x640/0x640 [ 744.852778] ? enqueue_hrtimer+0x1a5/0x560 [ 744.857018] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 744.862238] ? find_held_lock+0x36/0x1c0 [ 744.866312] ? zap_class+0x640/0x640 [ 744.870030] ? pvclock_read_flags+0x160/0x160 [ 744.874527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.880074] ? check_preemption_disabled+0x48/0x280 [ 744.885100] ? __lock_is_held+0xb5/0x140 [ 744.889162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.894700] ? check_preemption_disabled+0x48/0x280 [ 744.899723] run_timer_softirq+0x52/0xb0 [ 744.903786] ? rcu_read_lock_sched_held+0x14f/0x180 [ 744.908799] __do_softirq+0x308/0xb7e [ 744.912604] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 744.917093] ? lock_downgrade+0x900/0x900 [ 744.921242] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 744.926348] ? pvclock_read_flags+0x160/0x160 [ 744.930847] ? lapic_next_event+0x5a/0x90 [ 744.935008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.940556] ? kvm_clock_read+0x18/0x30 [ 744.944539] ? kvm_sched_clock_read+0x9/0x20 [ 744.948946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.954476] ? check_preemption_disabled+0x48/0x280 [ 744.959496] irq_exit+0x17f/0x1c0 [ 744.962949] smp_apic_timer_interrupt+0x1cb/0x760 [ 744.967786] ? smp_reschedule_interrupt+0x109/0x650 [ 744.972815] ? smp_call_function_single_interrupt+0x650/0x650 [ 744.978709] ? interrupt_entry+0xb5/0xc0 [ 744.982779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 744.987787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 744.992803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.997645] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.002658] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.007683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.012533] apic_timer_interrupt+0xf/0x20 [ 745.016773] </IRQ> [ 745.019013] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 745.024933] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 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 9a d5 [ 745.043832] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 745.051539] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 745.058855] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286 [ 745.066136] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000 [ 745.073400] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 745.080668] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 745.087970] ? save_stack+0xa9/0xd0 [ 745.091622] __kmalloc_node_track_caller+0x3c/0x70 [ 745.096570] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 745.101357] pskb_expand_head+0x230/0x10f0 [ 745.105591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 745.111049] ? memcpy+0x45/0x50 [ 745.114341] ? __copy_skb_header+0x350/0x6b0 [ 745.118750] ? skb_release_data+0x880/0x880 [ 745.123076] ? __alloc_skb+0x770/0x770 [ 745.126976] ? __lock_is_held+0xb5/0x140 [ 745.131044] ? kasan_check_write+0x14/0x20 [ 745.135284] ? __skb_clone+0x6c7/0xa00 [ 745.139195] ? __copy_skb_header+0x6b0/0x6b0 [ 745.143600] ? kmem_cache_alloc+0x33a/0x730 [ 745.147927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.153474] skb_ensure_writable+0x3dd/0x640 [ 745.157884] ? skb_checksum_setup+0xaa0/0xaa0 [ 745.162384] ? preempt_notifier_register+0x200/0x200 [ 745.167487] ? __switch_to_asm+0x34/0x70 [ 745.171552] ? __switch_to_asm+0x34/0x70 [ 745.175641] ? __switch_to_asm+0x40/0x70 [ 745.179700] ? __switch_to_asm+0x34/0x70 [ 745.183757] ? __switch_to_asm+0x40/0x70 [ 745.187816] ? __switch_to_asm+0x40/0x70 [ 745.191876] ? __switch_to_asm+0x34/0x70 [ 745.195970] ? __switch_to_asm+0x34/0x70 [ 745.200050] ? __switch_to_asm+0x40/0x70 [ 745.204114] ? __switch_to_asm+0x34/0x70 [ 745.208178] bpf_clone_redirect+0x14a/0x490 [ 745.212507] bpf_prog_12ab75334035c288+0xfcd/0x1000 [ 745.217539] ? __sched_text_start+0x8/0x8 [ 745.221691] ? retint_kernel+0x2d/0x2d [ 745.225586] ? find_held_lock+0x36/0x1c0 [ 745.229673] ? lock_acquire+0x1ed/0x520 [ 745.233651] ? bpf_test_run+0x3cb/0x780 [ 745.237625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.243163] ? check_preemption_disabled+0x48/0x280 [ 745.248185] ? kasan_check_read+0x11/0x20 [ 745.252348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 745.257623] ? rcu_softirq_qs+0x20/0x20 [ 745.261629] ? preempt_schedule+0x4d/0x60 [ 745.265776] ? ___preempt_schedule+0x16/0x18 [ 745.270195] ? bpf_test_run+0x25d/0x780 [ 745.274180] ? netlink_diag_dump+0x2a0/0x2a0 [ 745.278606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.284145] ? bpf_test_init.isra.10+0x70/0x100 [ 745.288832] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 745.293602] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 745.298463] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.304012] ? fput+0x130/0x1a0 [ 745.307322] ? __bpf_prog_get+0x9b/0x290 [ 745.311389] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 745.316261] ? bpf_prog_test_run+0x130/0x1a0 [ 745.320672] ? __x64_sys_bpf+0x3d8/0x520 [ 745.324729] ? bpf_prog_get+0x20/0x20 [ 745.328555] ? do_syscall_64+0x1b9/0x820 [ 745.332622] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 745.337992] ? syscall_return_slowpath+0x5e0/0x5e0 [ 745.342962] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.347994] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 745.353008] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 745.359686] ? __switch_to_asm+0x40/0x70 [ 745.363757] ? __switch_to_asm+0x34/0x70 [ 745.367826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.372679] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.378068] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304 [ 745.378142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 745.385084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 745.385090] Call Trace: [ 745.385096] <IRQ> [ 745.385114] dump_stack+0x244/0x39d [ 745.385132] ? dump_stack_print_info.cold.1+0x20/0x20 [ 745.391667] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 745.400963] warn_alloc.cold.116+0xb7/0x1bd [ 745.403517] syz-executor3 cpuset=syz3 mems_allowed=0 [ 745.405663] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 745.439167] ? lock_downgrade+0x900/0x900 [ 745.443340] ? trace_hardirqs_off+0xb8/0x310 [ 745.447759] ? trace_hardirqs_off+0xb8/0x310 [ 745.452177] __alloc_pages_slowpath+0x2651/0x2de0 [ 745.457066] ? warn_alloc+0x120/0x120 [ 745.460873] ? warn_alloc+0x120/0x120 [ 745.464682] ? warn_alloc+0x120/0x120 [ 745.468504] ? print_usage_bug+0xc0/0xc0 [ 745.472576] ? print_usage_bug+0xc0/0xc0 [ 745.476640] ? ktime_get+0x2c1/0x400 [ 745.480363] ? check_preemption_disabled+0x48/0x280 [ 745.485378] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 745.489876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.495416] ? should_fail+0x22d/0xd01 [ 745.499311] ? kasan_check_read+0x11/0x20 [ 745.503461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 745.508574] ? __lock_acquire+0x62f/0x4c20 [ 745.512816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 745.517921] ? should_fail+0x22d/0xd01 [ 745.521810] ? print_usage_bug+0xc0/0xc0 [ 745.525896] ? mark_held_locks+0x130/0x130 [ 745.530178] ? mark_held_locks+0x130/0x130 [ 745.534436] ? check_preemption_disabled+0x48/0x280 [ 745.539464] ? zap_class+0x640/0x640 [ 745.543193] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 745.548011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.553566] ? check_preemption_disabled+0x48/0x280 [ 745.558612] ? __lock_is_held+0xb5/0x140 [ 745.562682] __alloc_pages_nodemask+0xad8/0xea0 [ 745.567354] ? zap_class+0x640/0x640 [ 745.571074] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 745.576102] ? find_held_lock+0x36/0x1c0 [ 745.580176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 745.584846] ? lock_downgrade+0x900/0x900 [ 745.589021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.594571] cache_grow_begin+0xa5/0x8c0 [ 745.598633] ? do_raw_spin_unlock+0xa7/0x330 [ 745.603049] fallback_alloc+0x204/0x2e0 [ 745.607033] ____cache_alloc_node+0x1c7/0x1e0 [ 745.611538] kmem_cache_alloc_node+0xe3/0x730 [ 745.616039] ? lockdep_hardirqs_on+0x296/0x5b0 [ 745.620636] __alloc_skb+0x119/0x770 [ 745.624351] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 745.629717] ? netdev_alloc_frag+0x1f0/0x1f0 [ 745.634130] ? vprintk_default+0x28/0x30 [ 745.638188] ? vprintk_func+0x85/0x181 [ 745.642075] ? printk+0xa7/0xcf [ 745.645354] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 745.650116] new_skb+0x26/0x1c0 [ 745.653398] aoecmd_cfg+0x279/0x7f0 [ 745.657031] ? find_held_lock+0x36/0x1c0 [ 745.661122] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 745.665470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.671019] ? __lock_is_held+0xb5/0x140 [ 745.675108] discover_timer+0x50/0x60 [ 745.678905] call_timer_fn+0x272/0x920 [ 745.682792] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.687633] ? process_timeout+0x40/0x40 [ 745.691717] ? mark_held_locks+0xc7/0x130 [ 745.695880] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.700375] ? _raw_spin_unlock_irq+0x27/0x80 [ 745.704889] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.709761] ? lockdep_hardirqs_on+0x296/0x5b0 [ 745.714345] ? trace_hardirqs_on+0xbd/0x310 [ 745.718666] ? kasan_check_read+0x11/0x20 [ 745.722824] ? __run_timers+0x7da/0xc70 [ 745.726804] ? trace_hardirqs_off_caller+0x310/0x310 [ 745.731917] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 745.736757] __run_timers+0x7e5/0xc70 [ 745.740577] ? timer_fixup_init+0x70/0x70 [ 745.744729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 745.749771] ? zap_class+0x640/0x640 [ 745.753491] ? print_usage_bug+0xc0/0xc0 [ 745.757556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 745.762765] ? find_held_lock+0x36/0x1c0 [ 745.766831] ? zap_class+0x640/0x640 [ 745.770553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.776094] ? check_preemption_disabled+0x48/0x280 [ 745.781128] ? __lock_is_held+0xb5/0x140 [ 745.785201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.790737] ? check_preemption_disabled+0x48/0x280 [ 745.795773] run_timer_softirq+0x52/0xb0 [ 745.799838] ? rcu_read_lock_sched_held+0x14f/0x180 [ 745.804855] __do_softirq+0x308/0xb7e [ 745.808658] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 745.813152] ? lock_downgrade+0x900/0x900 [ 745.817312] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 745.822425] ? pvclock_read_flags+0x160/0x160 [ 745.826949] ? lapic_next_event+0x5a/0x90 [ 745.831096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.836658] ? kvm_clock_read+0x18/0x30 [ 745.840648] ? kvm_sched_clock_read+0x9/0x20 [ 745.845063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.850601] ? check_preemption_disabled+0x48/0x280 [ 745.855624] irq_exit+0x17f/0x1c0 [ 745.859074] smp_apic_timer_interrupt+0x1cb/0x760 [ 745.863916] ? smp_call_function_single_interrupt+0x159/0x650 [ 745.869801] ? smp_call_function_single_interrupt+0x650/0x650 [ 745.875686] ? interrupt_entry+0xb5/0xc0 [ 745.879770] ? trace_hardirqs_off_caller+0xbb/0x310 [ 745.884811] ? trace_hardirqs_off_caller+0xbb/0x310 [ 745.889828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.894669] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.899683] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.904712] ? task_prio+0x50/0x50 [ 745.908255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.913814] ? check_preemption_disabled+0x48/0x280 [ 745.918834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.923681] apic_timer_interrupt+0xf/0x20 [ 745.927921] </IRQ> [ 745.930157] RIP: 0010:rcu_is_watching+0x0/0x30 [ 745.934737] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d [ 745.953648] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 745.961358] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3 [ 745.968865] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001 [ 745.976129] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67 [ 745.983396] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03 [ 745.990659] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff [ 745.997942] ? list_lru_count_one+0x253/0x450 [ 746.002437] ? list_lru_count_one+0x35d/0x450 [ 746.006942] ? list_lru_count_one+0x362/0x450 [ 746.011438] ? list_lru_isolate_move+0x3c0/0x3c0 [ 746.016199] ? shmem_free_inode+0xd0/0xd0 [ 746.020384] ? __lock_is_held+0xb5/0x140 [ 746.024457] super_cache_count+0x1b9/0x2e0 [ 746.028699] do_shrink_slab+0x1b1/0xd30 [ 746.032688] ? snapshot_refaults+0x290/0x290 [ 746.037101] ? lock_release+0xa00/0xa00 [ 746.041084] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 746.046024] ? down_read_trylock+0xda/0x140 [ 746.050346] ? shrink_slab+0x207/0x8c0 [ 746.054232] ? downgrade_write+0x270/0x270 [ 746.058478] shrink_slab+0x389/0x8c0 [ 746.062188] ? shrink_active_list+0x1f00/0x1f00 [ 746.066862] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 746.072493] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 746.077609] ? cgroup_procs_write_finish+0xf0/0xf0 [ 746.082545] ? find_held_lock+0x36/0x1c0 [ 746.086641] shrink_node+0x431/0x16b0 [ 746.090474] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 746.095786] ? shrink_node_memcg+0x18f0/0x18f0 [ 746.100376] ? kvm_clock_read+0x18/0x30 [ 746.104366] ? ktime_get+0x2c1/0x400 [ 746.108084] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 746.112586] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 746.118123] ? __cpuset_node_allowed+0x19b/0x660 [ 746.122883] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 746.128597] ? delayacct_end+0x5a/0x100 [ 746.132590] do_try_to_free_pages+0x3e7/0x1290 [ 746.137172] ? zap_class+0x640/0x640 [ 746.140903] ? shrink_node+0x16b0/0x16b0 [ 746.144964] ? __lock_is_held+0xb5/0x140 [ 746.149051] try_to_free_pages+0x4d0/0xb90 [ 746.153289] ? do_try_to_free_pages+0x1290/0x1290 [ 746.158153] ? lock_acquire+0x1ed/0x520 [ 746.162128] ? set_page_refcounted+0x280/0x280 [ 746.166715] ? lock_release+0xa00/0xa00 [ 746.170692] ? _raw_spin_unlock_irq+0x60/0x80 [ 746.175219] ? psi_memstall_enter+0x240/0x2b0 [ 746.179713] ? psi_memstall_tick+0x230/0x230 [ 746.184129] __alloc_pages_slowpath+0xa48/0x2de0 [ 746.188913] ? warn_alloc+0x120/0x120 [ 746.192712] ? mark_held_locks+0x130/0x130 [ 746.196958] ? find_get_entry+0xaae/0x1120 [ 746.201207] ? filemap_map_pages+0x1a20/0x1a20 [ 746.205796] ? zap_class+0x640/0x640 [ 746.209523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.215086] ? check_preemption_disabled+0x48/0x280 [ 746.220099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.225651] ? should_fail+0x22d/0xd01 [ 746.229544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 746.234654] ? zap_class+0x640/0x640 [ 746.238398] ? __lock_is_held+0xb5/0x140 [ 746.242466] ? mark_held_locks+0x130/0x130 [ 746.246707] ? lock_release+0xa00/0xa00 [ 746.250694] ? perf_trace_sched_process_exec+0x860/0x860 [ 746.256152] ? xa_load+0x2ba/0x460 [ 746.259694] ? lock_downgrade+0x900/0x900 [ 746.263846] ? __might_sleep+0x95/0x190 [ 746.267820] __alloc_pages_nodemask+0xad8/0xea0 [ 746.272491] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 746.277507] ? __page_cache_alloc+0x191/0x5c0 [ 746.281994] ? xa_load+0x2e1/0x460 [ 746.285569] ? xa_clear_mark+0x40/0x40 [ 746.289491] ? zap_class+0x640/0x640 [ 746.293217] ? zap_class+0x640/0x640 [ 746.296925] ? zap_class+0x640/0x640 [ 746.300636] ? __do_page_cache_readahead+0x663/0x810 [ 746.305743] ? find_held_lock+0x36/0x1c0 [ 746.309807] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 746.315375] alloc_pages_current+0x173/0x350 [ 746.319786] __page_cache_alloc+0x38c/0x5c0 [ 746.324104] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.329044] ? kasan_check_read+0x11/0x20 [ 746.333189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.338466] ? generic_perform_write+0x6a0/0x6a0 [ 746.343243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.348782] ? check_preemption_disabled+0x48/0x280 [ 746.353837] filemap_fault+0x1595/0x25f0 [ 746.357926] ? __lock_page_or_retry+0xa00/0xa00 [ 746.362600] ? mark_held_locks+0x130/0x130 [ 746.366847] ? filemap_map_pages+0xd6b/0x1a20 [ 746.371357] ? lock_downgrade+0x900/0x900 [ 746.375504] ? check_preemption_disabled+0x48/0x280 [ 746.380522] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.385481] ? kasan_check_read+0x11/0x20 [ 746.389632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.394998] ? rcu_softirq_qs+0x20/0x20 [ 746.398981] ? filemap_map_pages+0xd92/0x1a20 [ 746.403490] ? find_get_entries_tag+0x1400/0x1400 [ 746.408337] ? debug_object_destroy+0x2b0/0x2b0 [ 746.413008] ? lock_pi_update_atomic+0x150/0x150 [ 746.417764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.423351] ? lock_acquire+0x1ed/0x520 [ 746.427350] ? ext4_filemap_fault+0x7a/0xad [ 746.431681] ? lock_release+0xa00/0xa00 [ 746.435654] ? perf_trace_sched_process_exec+0x860/0x860 [ 746.441105] ? print_usage_bug+0xc0/0xc0 [ 746.445167] ? print_usage_bug+0xc0/0xc0 [ 746.449241] ? down_read+0x8d/0x120 [ 746.452866] ? ext4_filemap_fault+0x7a/0xad [ 746.457189] ? __down_interruptible+0x700/0x700 [ 746.461882] ext4_filemap_fault+0x82/0xad [ 746.466031] __do_fault+0x100/0x6b0 [ 746.469673] ? release_sock+0x1ec/0x2c0 [ 746.473655] ? pmd_devmap_trans_unstable+0x220/0x220 [ 746.478768] ? mark_held_locks+0x130/0x130 [ 746.483016] ? mark_held_locks+0x130/0x130 [ 746.487261] ? lock_sock_nested+0x9a/0x120 [ 746.491495] ? __release_sock+0x3a0/0x3a0 [ 746.495644] ? __local_bh_enable_ip+0x160/0x260 [ 746.500322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.505862] __handle_mm_fault+0x3ea0/0x5be0 [ 746.510284] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 746.515132] ? apparmor_socket_sendmsg+0x29/0x30 [ 746.519892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.525466] ? security_socket_sendmsg+0x94/0xc0 [ 746.530232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.535780] ? zap_class+0x640/0x640 [ 746.539489] ? zap_class+0x640/0x640 [ 746.543212] ? __x64_sys_futex+0x53e/0x6a0 [ 746.547462] ? find_held_lock+0x36/0x1c0 [ 746.551535] ? handle_mm_fault+0x42a/0xc70 [ 746.555772] ? lock_downgrade+0x900/0x900 [ 746.559942] ? check_preemption_disabled+0x48/0x280 [ 746.564990] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 746.569919] ? kasan_check_read+0x11/0x20 [ 746.574065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 746.579345] ? rcu_softirq_qs+0x20/0x20 [ 746.583335] ? trace_hardirqs_off_caller+0x310/0x310 [ 746.588459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.593994] ? check_preemption_disabled+0x48/0x280 [ 746.599048] handle_mm_fault+0x54f/0xc70 [ 746.603112] ? __handle_mm_fault+0x5be0/0x5be0 [ 746.607704] ? find_vma+0x34/0x190 [ 746.611251] __do_page_fault+0x5e8/0xe60 [ 746.615320] ? trace_hardirqs_off+0xb8/0x310 [ 746.619724] ? __ia32_sys_read+0xb0/0xb0 [ 746.623792] do_page_fault+0xf2/0x7e0 [ 746.627597] ? vmalloc_sync_all+0x30/0x30 [ 746.631741] ? error_entry+0x70/0xd0 [ 746.635467] ? trace_hardirqs_off_caller+0xbb/0x310 [ 746.640485] ? trace_hardirqs_on_caller+0xc0/0x310 [ 746.645413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 746.650355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.655198] ? trace_hardirqs_on_caller+0x310/0x310 [ 746.660218] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 746.665674] ? prepare_exit_to_usermode+0x291/0x3b0 [ 746.670688] ? page_fault+0x8/0x30 [ 746.674233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.679088] ? page_fault+0x8/0x30 [ 746.682631] page_fault+0x1e/0x30 [ 746.686092] RIP: 0033:0x45ddf3 [ 746.689307] Code: Bad RIP value. [ 746.692670] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 746.698029] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3 [ 746.705307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40 [ 746.712576] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 746.719844] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 746.727110] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa [ 746.734404] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304 [ 746.734409] warn_alloc_show_mem: 1 callbacks suppressed [ 746.734416] Mem-Info: [ 746.741731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 746.741739] Call Trace: [ 746.747105] active_anon:59588 inactive_anon:187 isolated_anon:0 [ 746.747105] active_file:13 inactive_file:14 isolated_file:0 [ 746.747105] unevictable:0 dirty:0 writeback:0 unstable:0 [ 746.747105] slab_reclaimable:10147 slab_unreclaimable:1445690 [ 746.747105] mapped:49154 shmem:244 pagetables:690 bounce:0 [ 746.747105] free:13773 free_pcp:174 free_cma:0 [ 746.749488] <IRQ> [ 746.758849] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 746.761434] dump_stack+0x244/0x39d [ 746.794370] 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 [ 746.796516] ? dump_stack_print_info.cold.1+0x20/0x20 [ 746.823985] lowmem_reserve[]: 0 2818 6321 6321 [ 746.827617] warn_alloc.cold.116+0xb7/0x1bd [ 746.853709] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:248kB free_cma:0kB [ 746.858908] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 746.863480] lowmem_reserve[]: 0 0 3503 3503 [ 746.867799] ? lock_downgrade+0x900/0x900 [ 746.895267] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB [ 746.900108] ? trace_hardirqs_off+0xb8/0x310 [ 746.904401] lowmem_reserve[]: 0 0 0 0 [ 746.908545] ? trace_hardirqs_off+0xb8/0x310 [ 746.937402] 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 [ 746.941808] __alloc_pages_slowpath+0x2651/0x2de0 [ 746.945584] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB [ 746.950006] ? warn_alloc+0x120/0x120 [ 746.963481] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB [ 746.968368] ? print_usage_bug+0xc0/0xc0 [ 746.984316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 746.988106] ? warn_alloc+0x120/0x120 [ 747.001748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 747.005811] ? warn_alloc+0x120/0x120 [ 747.014622] 271 total pagecache pages [ 747.018414] ? print_usage_bug+0xc0/0xc0 [ 747.026981] 0 pages in swap cache [ 747.030762] ? print_usage_bug+0xc0/0xc0 [ 747.034535] Swap cache stats: add 0, delete 0, find 0/0 [ 747.038581] ? __lock_acquire+0x62f/0x4c20 [ 747.042007] Free swap = 0kB [ 747.046091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 747.051425] Total swap = 0kB [ 747.055649] ? should_fail+0x22d/0xd01 [ 747.058640] 1965979 pages RAM [ 747.064168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 747.067157] 0 pages HighMem/MovableOnly [ 747.071030] ? __lock_acquire+0x62f/0x4c20 [ 747.074111] 342854 pages reserved [ 747.079204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 747.083151] 0 pages cma reserved [ 747.087374] ? __lock_acquire+0x62f/0x4c20 [ 747.090858] aoe: skb alloc failure [ 747.095888] ? should_fail+0x22d/0xd01 [ 747.095902] ? find_held_lock+0x36/0x1c0 [ 747.095924] ? mark_held_locks+0x130/0x130 [ 747.099307] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 747.103498] ? mark_held_locks+0x130/0x130 [ 747.107027] syz-fuzzer cpuset=/ mems_allowed=0 [ 747.110910] ? zap_class+0x640/0x640 [ 747.141853] ? zap_class+0x640/0x640 [ 747.145561] ? print_usage_bug+0xc0/0xc0 [ 747.149614] ? do_raw_spin_unlock+0xa7/0x330 [ 747.154021] ? zap_class+0x640/0x640 [ 747.157730] ? print_usage_bug+0xc0/0xc0 [ 747.161789] ? wq_watchdog_touch+0x9c/0xfe [ 747.166024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.171580] ? check_preemption_disabled+0x48/0x280 [ 747.176604] ? __lock_is_held+0xb5/0x140 [ 747.180674] __alloc_pages_nodemask+0xad8/0xea0 [ 747.185348] ? zap_class+0x640/0x640 [ 747.189067] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 747.194097] ? find_held_lock+0x36/0x1c0 [ 747.198171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 747.202842] ? lock_downgrade+0x900/0x900 [ 747.207012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.212550] cache_grow_begin+0xa5/0x8c0 [ 747.216603] ? do_raw_spin_unlock+0xa7/0x330 [ 747.221017] fallback_alloc+0x204/0x2e0 [ 747.225031] ____cache_alloc_node+0x1c7/0x1e0 [ 747.229566] kmem_cache_alloc_node+0xe3/0x730 [ 747.234073] ? ipv6_get_ifaddr+0x42e/0x620 [ 747.238333] __alloc_skb+0x119/0x770