g+0x1f0/0x1f0 [ 258.188589] ? lock_downgrade+0x900/0x900 [ 258.192746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.198287] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.203746] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.209200] ? addrconf_rs_timer+0x690/0x690 [ 258.213637] ndisc_alloc_skb+0x144/0x340 [ 258.217736] ndisc_send_rs+0x331/0x6e0 [ 258.221632] addrconf_rs_timer+0x314/0x690 [ 258.225891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.230139] call_timer_fn+0x272/0x920 [ 258.234030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.238267] ? process_timeout+0x40/0x40 [ 258.242346] ? __run_timers+0x7da/0xc70 [ 258.246327] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.250827] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.255333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.259576] ? lockdep_hardirqs_on+0x296/0x5b0 [ 258.264160] ? trace_hardirqs_on+0xbd/0x310 [ 258.268499] ? kasan_check_read+0x11/0x20 [ 258.272645] ? __run_timers+0x7da/0xc70 [ 258.276618] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.281729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.285973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.290238] __run_timers+0x7e5/0xc70 [ 258.294051] ? timer_fixup_init+0x70/0x70 [ 258.298198] ? kasan_check_read+0x11/0x20 [ 258.302345] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.307631] ? rcu_softirq_qs+0x20/0x20 [ 258.311624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.317178] ? check_preemption_disabled+0x48/0x280 [ 258.322203] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.326968] ? retint_kernel+0x2d/0x2d [ 258.330862] ? trace_hardirqs_on_caller+0xc0/0x310 [ 258.335795] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.340553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.346013] ? zap_class+0x640/0x640 [ 258.349749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.355301] ? check_preemption_disabled+0x48/0x280 [ 258.360343] ? __lock_is_held+0xb5/0x140 [ 258.364406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.369945] ? check_preemption_disabled+0x48/0x280 [ 258.374969] run_timer_softirq+0x52/0xb0 [ 258.379032] ? rcu_read_lock_sched_held+0x14f/0x180 [ 258.384051] __do_softirq+0x308/0xb7e [ 258.387883] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 258.392398] ? lock_downgrade+0x900/0x900 [ 258.396575] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 258.401703] ? pvclock_read_flags+0x160/0x160 [ 258.406204] ? lapic_next_event+0x5a/0x90 [ 258.410362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.415908] ? kvm_clock_read+0x18/0x30 [ 258.419897] ? kvm_sched_clock_read+0x9/0x20 [ 258.424307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.429854] ? check_preemption_disabled+0x48/0x280 [ 258.434887] irq_exit+0x17f/0x1c0 [ 258.438365] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.443208] ? smp_call_function_single_interrupt+0x159/0x650 [ 258.449110] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.455000] ? interrupt_entry+0xb5/0xc0 [ 258.459079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.464103] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.469127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.473972] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.478990] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.484010] ? task_prio+0x50/0x50 [ 258.487581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.493124] ? check_preemption_disabled+0x48/0x280 [ 258.498147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.503001] apic_timer_interrupt+0xf/0x20 [ 258.507229] [ 258.509469] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 258.515364] 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 [ 258.534267] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.541973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.549245] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 258.556512] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 258.563801] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 258.571087] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 258.578393] ? save_stack+0xa9/0xd0 [ 258.582031] __kmalloc_node_track_caller+0x3c/0x70 [ 258.586998] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 258.591762] pskb_expand_head+0x230/0x10f0 [ 258.596004] ? memcpy+0x45/0x50 [ 258.599288] ? __copy_skb_header+0x350/0x6b0 [ 258.603701] ? skb_release_data+0x880/0x880 [ 258.608028] ? __alloc_skb+0x770/0x770 [ 258.611942] ? __lock_is_held+0xb5/0x140 [ 258.616029] ? kasan_check_write+0x14/0x20 [ 258.620265] ? __skb_clone+0x6c7/0xa00 [ 258.624156] ? __copy_skb_header+0x6b0/0x6b0 [ 258.628562] ? kmem_cache_alloc+0x33a/0x730 [ 258.632901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.638453] skb_ensure_writable+0x3dd/0x640 [ 258.642893] ? skb_checksum_setup+0xaa0/0xaa0 [ 258.647395] ? preempt_notifier_register+0x200/0x200 [ 258.652501] ? __switch_to_asm+0x34/0x70 [ 258.656584] ? __switch_to_asm+0x34/0x70 [ 258.660642] ? __switch_to_asm+0x40/0x70 [ 258.664697] ? __switch_to_asm+0x34/0x70 [ 258.668760] ? __switch_to_asm+0x40/0x70 [ 258.672818] ? __switch_to_asm+0x40/0x70 [ 258.676910] ? __switch_to_asm+0x34/0x70 [ 258.680971] ? __switch_to_asm+0x34/0x70 [ 258.685033] ? __switch_to_asm+0x40/0x70 [ 258.689093] ? __switch_to_asm+0x34/0x70 [ 258.693162] bpf_clone_redirect+0x14a/0x490 [ 258.697497] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 258.702429] ? __sched_text_start+0x8/0x8 [ 258.706614] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.711214] ? retint_kernel+0x2d/0x2d [ 258.715102] ? trace_hardirqs_on_caller+0xc0/0x310 [ 258.720037] ? find_held_lock+0x36/0x1c0 [ 258.724110] ? lock_acquire+0x1ed/0x520 [ 258.728100] ? bpf_test_run+0x3cb/0x780 [ 258.732081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.737619] ? check_preemption_disabled+0x48/0x280 [ 258.742670] ? kasan_check_read+0x11/0x20 [ 258.746852] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.752140] ? rcu_softirq_qs+0x20/0x20 [ 258.756119] ? preempt_schedule+0x4d/0x60 [ 258.760276] ? ___preempt_schedule+0x16/0x18 [ 258.764706] ? bpf_test_run+0x25d/0x780 [ 258.768695] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.773137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.778689] ? bpf_test_init.isra.10+0x70/0x100 [ 258.783368] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 258.788137] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 258.792979] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.798517] ? fput+0x130/0x1a0 [ 258.801805] ? __bpf_prog_get+0x9b/0x290 [ 258.805890] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 258.810734] ? bpf_prog_test_run+0x130/0x1a0 [ 258.815161] ? __x64_sys_bpf+0x3d8/0x520 [ 258.819222] ? bpf_prog_get+0x20/0x20 [ 258.823057] ? do_syscall_64+0x1b9/0x820 [ 258.827131] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.832496] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.837441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.842293] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.847315] ? prepare_exit_to_usermode+0x291/0x3b0 [ 258.852339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.857224] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.862601] warn_alloc_show_mem: 1 callbacks suppressed [ 258.862613] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 258.862615] Mem-Info: [ 258.862646] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 258.862646] active_file:12 inactive_file:11 isolated_file:0 [ 258.862646] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.862646] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 258.862646] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 258.862646] free:13794 free_pcp:515 free_cma:0 [ 258.867989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.874854] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.877267] Call Trace: [ 258.910137] 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 [ 258.919502] dump_stack+0x244/0x39d [ 258.946962] lowmem_reserve[]: 0 2818 6321 6321 [ 258.949553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 258.975643] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 258.979279] warn_alloc.cold.116+0xb7/0x1bd [ 258.983839] lowmem_reserve[]: 0 0 3503 3503 [ 258.989034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.016371] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 259.020691] ? lock_downgrade+0x900/0x900 [ 259.024981] lowmem_reserve[]: 0 0 0 0 [ 259.029822] ? trace_hardirqs_off+0xb8/0x310 [ 259.058888] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 259.063041] ? trace_hardirqs_off+0xb8/0x310 [ 259.066809] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 259.071235] __alloc_pages_slowpath+0x2651/0x2de0 [ 259.084738] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 259.089277] ? warn_alloc+0x120/0x120 [ 259.089289] ? print_usage_bug+0xc0/0xc0 [ 259.089297] ? warn_alloc+0x120/0x120 [ 259.089308] ? warn_alloc+0x120/0x120 [ 259.089317] ? print_usage_bug+0xc0/0xc0 [ 259.089327] ? print_usage_bug+0xc0/0xc0 [ 259.089336] ? __lock_acquire+0x62f/0x4c20 [ 259.089348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.089359] ? should_fail+0x22d/0xd01 [ 259.089376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.089392] ? __lock_acquire+0x62f/0x4c20 [ 259.104385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.109245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.124225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.128025] ? __lock_acquire+0x62f/0x4c20 [ 259.132064] 267 total pagecache pages [ 259.135879] ? should_fail+0x22d/0xd01 [ 259.139667] 0 pages in swap cache [ 259.143718] ? find_held_lock+0x36/0x1c0 [ 259.147761] Swap cache stats: add 0, delete 0, find 0/0 [ 259.151994] ? mark_held_locks+0x130/0x130 [ 259.157533] Free swap = 0kB [ 259.161415] ? mark_held_locks+0x130/0x130 [ 259.166513] Total swap = 0kB [ 259.170742] ? zap_class+0x640/0x640 [ 259.179562] 1965979 pages RAM [ 259.184657] ? zap_class+0x640/0x640 [ 259.193237] 0 pages HighMem/MovableOnly [ 259.197463] ? print_usage_bug+0xc0/0xc0 [ 259.201254] 342854 pages reserved [ 259.205135] ? do_raw_spin_unlock+0xa7/0x330 [ 259.208568] 0 pages cma reserved [ 259.212639] ? zap_class+0x640/0x640 [ 259.218053] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.222200] ? print_usage_bug+0xc0/0xc0 [ 259.225253] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.229423] ? wq_watchdog_touch+0x9c/0xfe [ 259.232436] syz-executor0 cpuset=syz0 mems_allowed=0 [ 259.236143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.301652] ? check_preemption_disabled+0x48/0x280 [ 259.306694] ? __lock_is_held+0xb5/0x140 [ 259.310763] __alloc_pages_nodemask+0xad8/0xea0 [ 259.315444] ? zap_class+0x640/0x640 [ 259.319196] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 259.324250] ? find_held_lock+0x36/0x1c0 [ 259.328320] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.332994] ? lock_downgrade+0x900/0x900 [ 259.337163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.342703] cache_grow_begin+0xa5/0x8c0 [ 259.346766] ? do_raw_spin_unlock+0xa7/0x330 [ 259.351184] fallback_alloc+0x204/0x2e0 [ 259.355167] ____cache_alloc_node+0x1c7/0x1e0 [ 259.359697] kmem_cache_alloc_node+0xe3/0x730 [ 259.364194] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.368439] __alloc_skb+0x119/0x770 [ 259.372181] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.377509] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.381918] ? lock_downgrade+0x900/0x900 [ 259.386078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.391616] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.397075] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.402528] ? addrconf_rs_timer+0x690/0x690 [ 259.406949] ndisc_alloc_skb+0x144/0x340 [ 259.411014] ndisc_send_rs+0x331/0x6e0 [ 259.414939] addrconf_rs_timer+0x314/0x690 [ 259.419182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.423427] call_timer_fn+0x272/0x920 [ 259.427310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.431543] ? process_timeout+0x40/0x40 [ 259.435631] ? __run_timers+0x7da/0xc70 [ 259.439619] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.444117] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.448614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.452881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.457472] ? trace_hardirqs_on+0xbd/0x310 [ 259.461795] ? kasan_check_read+0x11/0x20 [ 259.465942] ? __run_timers+0x7da/0xc70 [ 259.469964] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.475074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.479320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.483553] __run_timers+0x7e5/0xc70 [ 259.487400] ? timer_fixup_init+0x70/0x70 [ 259.491578] ? find_held_lock+0x36/0x1c0 [ 259.495648] ? __schedule+0x168a/0x21d0 [ 259.499629] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.504130] ? pvclock_read_flags+0x160/0x160 [ 259.508632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.514181] ? check_preemption_disabled+0x48/0x280 [ 259.519209] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 259.524766] ? rcu_pm_notify+0xc0/0xc0 [ 259.528663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.534201] ? check_preemption_disabled+0x48/0x280 [ 259.539227] run_timer_softirq+0x52/0xb0 [ 259.543303] ? rcu_read_lock_sched_held+0x14f/0x180 [ 259.548321] __do_softirq+0x308/0xb7e [ 259.552141] ? retint_kernel+0x2d/0x2d [ 259.556036] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 259.561152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.566606] ? finish_task_switch+0x2f4/0x910 [ 259.571123] ? schedule+0x108/0x460 [ 259.574761] ? trace_hardirqs_off+0xb8/0x310 [ 259.579178] ? smpboot_thread_fn+0x68b/0xa00 [ 259.583586] ? trace_hardirqs_on+0x310/0x310 [ 259.588000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.593555] ? check_preemption_disabled+0x48/0x280 [ 259.598576] ? takeover_tasklets+0xa90/0xa90 [ 259.603000] run_ksoftirqd+0x5e/0x100 [ 259.606806] smpboot_thread_fn+0x68b/0xa00 [ 259.611076] ? sort_range+0x30/0x30 [ 259.614703] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.619802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.625369] ? __kthread_parkme+0xfb/0x1a0 [ 259.629622] ? sort_range+0x30/0x30 [ 259.633261] kthread+0x35a/0x440 [ 259.636631] ? kthread_stop+0x900/0x900 [ 259.640624] ret_from_fork+0x3a/0x50 [ 259.644363] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 259.644430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.651720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.651726] Call Trace: [ 259.651733] [ 259.651751] dump_stack+0x244/0x39d [ 259.651769] ? dump_stack_print_info.cold.1+0x20/0x20 [ 259.658372] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.667602] warn_alloc.cold.116+0xb7/0x1bd [ 259.670192] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 259.672363] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.705248] ? lock_downgrade+0x900/0x900 [ 259.709409] ? trace_hardirqs_off+0xb8/0x310 [ 259.713826] ? trace_hardirqs_off+0xb8/0x310 [ 259.718248] __alloc_pages_slowpath+0x2651/0x2de0 [ 259.723121] ? warn_alloc+0x120/0x120 [ 259.726944] ? print_usage_bug+0xc0/0xc0 [ 259.731028] ? warn_alloc+0x120/0x120 [ 259.734840] ? warn_alloc+0x120/0x120 [ 259.738676] ? print_usage_bug+0xc0/0xc0 [ 259.742745] ? print_usage_bug+0xc0/0xc0 [ 259.746811] ? __lock_acquire+0x62f/0x4c20 [ 259.751061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.756599] ? should_fail+0x22d/0xd01 [ 259.760490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.765608] ? __lock_acquire+0x62f/0x4c20 [ 259.769855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.774970] ? __lock_acquire+0x62f/0x4c20 [ 259.779219] ? should_fail+0x22d/0xd01 [ 259.783115] ? find_held_lock+0x36/0x1c0 [ 259.787188] ? mark_held_locks+0x130/0x130 [ 259.791437] ? mark_held_locks+0x130/0x130 [ 259.795677] ? zap_class+0x640/0x640 [ 259.799397] ? zap_class+0x640/0x640 [ 259.803117] ? print_usage_bug+0xc0/0xc0 [ 259.807192] ? do_raw_spin_unlock+0xa7/0x330 [ 259.811612] ? zap_class+0x640/0x640 [ 259.815323] ? print_usage_bug+0xc0/0xc0 [ 259.819396] ? wq_watchdog_touch+0x9c/0xfe [ 259.823635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.829173] ? check_preemption_disabled+0x48/0x280 [ 259.834203] ? __lock_is_held+0xb5/0x140 [ 259.838268] __alloc_pages_nodemask+0xad8/0xea0 [ 259.842970] ? zap_class+0x640/0x640 [ 259.846690] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 259.851720] ? find_held_lock+0x36/0x1c0 [ 259.855801] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.860476] ? lock_downgrade+0x900/0x900 [ 259.864651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.870191] cache_grow_begin+0xa5/0x8c0 [ 259.874249] ? do_raw_spin_unlock+0xa7/0x330 [ 259.878677] fallback_alloc+0x204/0x2e0 [ 259.882690] ____cache_alloc_node+0x1c7/0x1e0 [ 259.887196] kmem_cache_alloc_node+0xe3/0x730 [ 259.891692] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.895940] __alloc_skb+0x119/0x770 [ 259.899657] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.904942] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.909354] ? lock_downgrade+0x900/0x900 [ 259.913515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.919053] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.924510] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.929962] ? addrconf_rs_timer+0x690/0x690 [ 259.934402] ndisc_alloc_skb+0x144/0x340 [ 259.938482] ndisc_send_rs+0x331/0x6e0 [ 259.942380] addrconf_rs_timer+0x314/0x690 [ 259.946621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.950871] call_timer_fn+0x272/0x920 [ 259.954763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.959102] ? process_timeout+0x40/0x40 [ 259.963198] ? __run_timers+0x7da/0xc70 [ 259.967177] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.971673] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.976167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.980409] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.984999] ? trace_hardirqs_on+0xbd/0x310 [ 259.989325] ? kasan_check_read+0x11/0x20 [ 259.993474] ? __run_timers+0x7da/0xc70 [ 259.997452] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.002565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.006809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.011051] __run_timers+0x7e5/0xc70 [ 260.014869] ? timer_fixup_init+0x70/0x70 [ 260.019025] ? kasan_check_read+0x11/0x20 [ 260.023174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.028454] ? rcu_softirq_qs+0x20/0x20 [ 260.032478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.038049] ? check_preemption_disabled+0x48/0x280 [ 260.043100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.047872] ? retint_kernel+0x2d/0x2d [ 260.051778] ? trace_hardirqs_on_caller+0xc0/0x310 [ 260.056706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.061464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.066926] ? zap_class+0x640/0x640 [ 260.070654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.076206] ? check_preemption_disabled+0x48/0x280 [ 260.081233] ? __lock_is_held+0xb5/0x140 [ 260.085293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.090849] ? check_preemption_disabled+0x48/0x280 [ 260.095904] run_timer_softirq+0x52/0xb0 [ 260.099973] ? rcu_read_lock_sched_held+0x14f/0x180 [ 260.104990] __do_softirq+0x308/0xb7e [ 260.108798] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 260.113298] ? lock_downgrade+0x900/0x900 [ 260.117451] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 260.122562] ? pvclock_read_flags+0x160/0x160 [ 260.127061] ? lapic_next_event+0x5a/0x90 [ 260.131219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.136762] ? kvm_clock_read+0x18/0x30 [ 260.140735] ? kvm_sched_clock_read+0x9/0x20 [ 260.145160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.150712] ? check_preemption_disabled+0x48/0x280 [ 260.155740] irq_exit+0x17f/0x1c0 [ 260.159206] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.164062] ? smp_call_function_single_interrupt+0x159/0x650 [ 260.169973] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.175898] ? interrupt_entry+0xb5/0xc0 [ 260.179971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.184990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.190004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.194852] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.199882] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.204900] ? task_prio+0x50/0x50 [ 260.208441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.213989] ? check_preemption_disabled+0x48/0x280 [ 260.219010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.223908] apic_timer_interrupt+0xf/0x20 [ 260.228144] [ 260.230396] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 260.236292] 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 [ 260.255190] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.262947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.270213] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 260.277480] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 260.284744] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 260.292024] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 260.299321] ? save_stack+0xa9/0xd0 [ 260.302960] __kmalloc_node_track_caller+0x3c/0x70 [ 260.307912] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 260.312704] pskb_expand_head+0x230/0x10f0 [ 260.316946] ? memcpy+0x45/0x50 [ 260.320230] ? __copy_skb_header+0x350/0x6b0 [ 260.324654] ? skb_release_data+0x880/0x880 [ 260.328992] ? __alloc_skb+0x770/0x770 [ 260.332894] ? __lock_is_held+0xb5/0x140 [ 260.336966] ? kasan_check_write+0x14/0x20 [ 260.341228] ? __skb_clone+0x6c7/0xa00 [ 260.345145] ? __copy_skb_header+0x6b0/0x6b0 [ 260.349570] ? kmem_cache_alloc+0x33a/0x730 [ 260.353913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.359458] skb_ensure_writable+0x3dd/0x640 [ 260.363886] ? skb_checksum_setup+0xaa0/0xaa0 [ 260.368389] ? preempt_notifier_register+0x200/0x200 [ 260.373489] ? __switch_to_asm+0x34/0x70 [ 260.377550] ? __switch_to_asm+0x34/0x70 [ 260.381609] ? __switch_to_asm+0x40/0x70 [ 260.385664] ? __switch_to_asm+0x34/0x70 [ 260.389722] ? __switch_to_asm+0x40/0x70 [ 260.393783] ? __switch_to_asm+0x40/0x70 [ 260.397850] ? __switch_to_asm+0x34/0x70 [ 260.401913] ? __switch_to_asm+0x34/0x70 [ 260.405974] ? __switch_to_asm+0x40/0x70 [ 260.410037] ? __switch_to_asm+0x34/0x70 [ 260.414108] bpf_clone_redirect+0x14a/0x490 [ 260.418443] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 260.423391] ? __sched_text_start+0x8/0x8 [ 260.427545] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.432139] ? retint_kernel+0x2d/0x2d [ 260.436029] ? trace_hardirqs_on_caller+0xc0/0x310 [ 260.440965] ? find_held_lock+0x36/0x1c0 [ 260.445031] ? lock_acquire+0x1ed/0x520 [ 260.449007] ? bpf_test_run+0x3cb/0x780 [ 260.453002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.458541] ? check_preemption_disabled+0x48/0x280 [ 260.463565] ? kasan_check_read+0x11/0x20 [ 260.467711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.472992] ? rcu_softirq_qs+0x20/0x20 [ 260.476988] ? preempt_schedule+0x4d/0x60 [ 260.481140] ? ___preempt_schedule+0x16/0x18 [ 260.485560] ? bpf_test_run+0x25d/0x780 [ 260.489546] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.493963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.499500] ? bpf_test_init.isra.10+0x70/0x100 [ 260.504182] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 260.508966] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 260.513809] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.519361] ? fput+0x130/0x1a0 [ 260.522651] ? __bpf_prog_get+0x9b/0x290 [ 260.526719] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 260.531562] ? bpf_prog_test_run+0x130/0x1a0 [ 260.535987] ? __x64_sys_bpf+0x3d8/0x520 [ 260.540051] ? bpf_prog_get+0x20/0x20 [ 260.543880] ? do_syscall_64+0x1b9/0x820 [ 260.547943] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.553322] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.558270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.563149] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.568181] ? prepare_exit_to_usermode+0x291/0x3b0 [ 260.573213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.578066] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.583445] warn_alloc_show_mem: 1 callbacks suppressed [ 260.583456] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 260.583458] Mem-Info: [ 260.583488] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 260.583488] active_file:12 inactive_file:11 isolated_file:0 [ 260.583488] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.583488] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 260.583488] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 260.583488] free:13794 free_pcp:515 free_cma:0 [ 260.588830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.595693] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.598091] Call Trace: [ 260.630966] 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 [ 260.640342] dump_stack+0x244/0x39d [ 260.667799] lowmem_reserve[]: 0 2818 6321 6321 [ 260.670386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.696469] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 260.700099] warn_alloc.cold.116+0xb7/0x1bd [ 260.704679] lowmem_reserve[]: 0 0 3503 3503 [ 260.709874] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.737171] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 260.741507] ? lock_downgrade+0x900/0x900 [ 260.745801] lowmem_reserve[]: 0 0 0 0 [ 260.750643] ? trace_hardirqs_off+0xb8/0x310 [ 260.779673] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 260.783827] ? trace_hardirqs_off+0xb8/0x310 [ 260.787610] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 260.792025] __alloc_pages_slowpath+0x2651/0x2de0 [ 260.805518] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 260.809943] ? warn_alloc+0x120/0x120 [ 260.824901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.829730] ? print_usage_bug+0xc0/0xc0 [ 260.844708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.848494] ? warn_alloc+0x120/0x120 [ 260.857307] 267 total pagecache pages [ 260.861390] ? warn_alloc+0x120/0x120 [ 260.869948] 0 pages in swap cache [ 260.873735] ? print_usage_bug+0xc0/0xc0 [ 260.877518] Swap cache stats: add 0, delete 0, find 0/0 [ 260.881312] ? print_usage_bug+0xc0/0xc0 [ 260.884743] Free swap = 0kB [ 260.888796] ? __lock_acquire+0x62f/0x4c20 [ 260.894147] Total swap = 0kB [ 260.898209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.901203] 1965979 pages RAM [ 260.905433] ? should_fail+0x22d/0xd01 [ 260.908430] 0 pages HighMem/MovableOnly [ 260.913963] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.917049] 342854 pages reserved [ 260.920927] ? __lock_acquire+0x62f/0x4c20 [ 260.924882] 0 pages cma reserved [ 260.929981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.933471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.937635] ? __lock_acquire+0x62f/0x4c20 [ 260.937648] ? should_fail+0x22d/0xd01 [ 260.937662] ? find_held_lock+0x36/0x1c0 [ 260.937683] ? mark_held_locks+0x130/0x130 [ 260.941078] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.946119] ? mark_held_locks+0x130/0x130 [ 260.952589] syz-executor0 cpuset=syz0 mems_allowed=0 [ 260.956813] ? zap_class+0x640/0x640 [ 260.992486] ? mark_held_locks+0xc7/0x130 [ 260.996633] ? do_raw_spin_unlock+0xa7/0x330 [ 261.001041] ? zap_class+0x640/0x640 [ 261.004758] ? print_usage_bug+0xc0/0xc0 [ 261.008822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.014373] ? check_preemption_disabled+0x48/0x280 [ 261.019399] ? __lock_is_held+0xb5/0x140 [ 261.023465] __alloc_pages_nodemask+0xad8/0xea0 [ 261.028134] ? zap_class+0x640/0x640 [ 261.031883] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 261.036927] ? find_held_lock+0x36/0x1c0 [ 261.041013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.045683] ? lock_downgrade+0x900/0x900 [ 261.049852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.055403] cache_grow_begin+0xa5/0x8c0 [ 261.059465] ? do_raw_spin_unlock+0xa7/0x330 [ 261.063885] fallback_alloc+0x204/0x2e0 [ 261.067882] ____cache_alloc_node+0x1c7/0x1e0 [ 261.072393] kmem_cache_alloc_node+0xe3/0x730 [ 261.076903] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.081145] __alloc_skb+0x119/0x770 [ 261.084870] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.090157] ? netdev_alloc_frag+0x1f0/0x1f0 [ 261.094581] ? lock_downgrade+0x900/0x900 [ 261.098739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.104275] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.109727] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.115179] ? addrconf_rs_timer+0x690/0x690 [ 261.119599] ndisc_alloc_skb+0x144/0x340 [ 261.123663] ndisc_send_rs+0x331/0x6e0 [ 261.127554] addrconf_rs_timer+0x314/0x690 [ 261.131810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.136069] call_timer_fn+0x272/0x920 [ 261.139974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.144208] ? process_timeout+0x40/0x40 [ 261.148277] ? __run_timers+0x7da/0xc70 [ 261.152255] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.156744] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.161236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.165473] ? lockdep_hardirqs_on+0x296/0x5b0 [ 261.170059] ? trace_hardirqs_on+0xbd/0x310 [ 261.174389] ? kasan_check_read+0x11/0x20 [ 261.178537] ? __run_timers+0x7da/0xc70 [ 261.182516] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.187630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.191892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.196144] __run_timers+0x7e5/0xc70 [ 261.199954] ? timer_fixup_init+0x70/0x70 [ 261.204134] ? find_held_lock+0x36/0x1c0 [ 261.208221] ? __schedule+0x168a/0x21d0 [ 261.212197] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.216704] ? pvclock_read_flags+0x160/0x160 [ 261.221231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.226771] ? check_preemption_disabled+0x48/0x280 [ 261.231822] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 261.237389] ? rcu_pm_notify+0xc0/0xc0 [ 261.241279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.246819] ? check_preemption_disabled+0x48/0x280 [ 261.251864] run_timer_softirq+0x52/0xb0 [ 261.255932] ? rcu_read_lock_sched_held+0x14f/0x180 [ 261.260964] __do_softirq+0x308/0xb7e [ 261.264766] ? retint_kernel+0x2d/0x2d [ 261.268660] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 261.273766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.279218] ? finish_task_switch+0x2f4/0x910 [ 261.283723] ? schedule+0x108/0x460 [ 261.287361] ? trace_hardirqs_off+0xb8/0x310 [ 261.291803] ? smpboot_thread_fn+0x68b/0xa00 [ 261.296219] ? trace_hardirqs_on+0x310/0x310 [ 261.300645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.306183] ? check_preemption_disabled+0x48/0x280 [ 261.311203] ? takeover_tasklets+0xa90/0xa90 [ 261.315612] run_ksoftirqd+0x5e/0x100 [ 261.319413] smpboot_thread_fn+0x68b/0xa00 [ 261.323650] ? sort_range+0x30/0x30 [ 261.327280] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.332384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.337926] ? __kthread_parkme+0xfb/0x1a0 [ 261.342187] ? sort_range+0x30/0x30 [ 261.345813] kthread+0x35a/0x440 [ 261.349203] ? kthread_stop+0x900/0x900 [ 261.353194] ret_from_fork+0x3a/0x50 [ 261.356930] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 261.357003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.364291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.364300] Call Trace: [ 261.370886] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.380122] [ 261.382690] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 261.393006] dump_stack+0x244/0x39d [ 261.403423] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.408654] warn_alloc.cold.116+0xb7/0x1bd [ 261.412996] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.417881] ? lock_downgrade+0x900/0x900 [ 261.422054] ? trace_hardirqs_off+0xb8/0x310 [ 261.426525] ? trace_hardirqs_off+0xb8/0x310 [ 261.430940] __alloc_pages_slowpath+0x2651/0x2de0 [ 261.435874] ? warn_alloc+0x120/0x120 [ 261.439694] ? print_usage_bug+0xc0/0xc0 [ 261.443756] ? warn_alloc+0x120/0x120 [ 261.447575] ? warn_alloc+0x120/0x120 [ 261.451384] ? print_usage_bug+0xc0/0xc0 [ 261.455461] ? print_usage_bug+0xc0/0xc0 [ 261.459536] ? __lock_acquire+0x62f/0x4c20 [ 261.463802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.469351] ? should_fail+0x22d/0xd01 [ 261.473261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.478410] ? __lock_acquire+0x62f/0x4c20 [ 261.482664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.487771] ? __lock_acquire+0x62f/0x4c20 [ 261.492006] ? should_fail+0x22d/0xd01 [ 261.495894] ? find_held_lock+0x36/0x1c0 [ 261.499965] ? mark_held_locks+0x130/0x130 [ 261.504206] ? mark_held_locks+0x130/0x130 [ 261.508440] ? zap_class+0x640/0x640 [ 261.512164] ? zap_class+0x640/0x640 [ 261.515892] ? print_usage_bug+0xc0/0xc0 [ 261.519953] ? do_raw_spin_unlock+0xa7/0x330 [ 261.524397] ? zap_class+0x640/0x640 [ 261.528115] ? print_usage_bug+0xc0/0xc0 [ 261.532179] ? wq_watchdog_touch+0x9c/0xfe [ 261.536419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.541966] ? check_preemption_disabled+0x48/0x280 [ 261.546993] ? __lock_is_held+0xb5/0x140 [ 261.551064] __alloc_pages_nodemask+0xad8/0xea0 [ 261.555743] ? zap_class+0x640/0x640 [ 261.559463] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 261.564493] ? find_held_lock+0x36/0x1c0 [ 261.568593] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.573322] ? lock_downgrade+0x900/0x900 [ 261.577498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.583038] cache_grow_begin+0xa5/0x8c0 [ 261.587100] ? do_raw_spin_unlock+0xa7/0x330 [ 261.591518] fallback_alloc+0x204/0x2e0 [ 261.595511] ____cache_alloc_node+0x1c7/0x1e0 [ 261.600014] kmem_cache_alloc_node+0xe3/0x730 [ 261.604513] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.608763] __alloc_skb+0x119/0x770 [ 261.612473] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.617758] ? netdev_alloc_frag+0x1f0/0x1f0 [ 261.622187] ? lock_downgrade+0x900/0x900 [ 261.626348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.631895] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.637365] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.642852] ? addrconf_rs_timer+0x690/0x690 [ 261.647278] ndisc_alloc_skb+0x144/0x340 [ 261.651346] ndisc_send_rs+0x331/0x6e0 [ 261.655243] addrconf_rs_timer+0x314/0x690 [ 261.659494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.663759] call_timer_fn+0x272/0x920 [ 261.667646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.671883] ? process_timeout+0x40/0x40 [ 261.675978] ? __run_timers+0x7da/0xc70 [ 261.679957] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.684457] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.688953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.693194] ? lockdep_hardirqs_on+0x296/0x5b0 [ 261.697782] ? trace_hardirqs_on+0xbd/0x310 [ 261.702120] ? kasan_check_read+0x11/0x20 [ 261.706266] ? __run_timers+0x7da/0xc70 [ 261.710247] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.715392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.719630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.723891] __run_timers+0x7e5/0xc70 [ 261.727706] ? timer_fixup_init+0x70/0x70 [ 261.731862] ? kasan_check_read+0x11/0x20 [ 261.736026] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.741301] ? rcu_softirq_qs+0x20/0x20 [ 261.745281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.750824] ? check_preemption_disabled+0x48/0x280 [ 261.755862] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.760642] ? retint_kernel+0x2d/0x2d [ 261.764541] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.769472] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.774226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.779684] ? zap_class+0x640/0x640 [ 261.783418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.788970] ? check_preemption_disabled+0x48/0x280 [ 261.794001] ? __lock_is_held+0xb5/0x140 [ 261.798079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.803643] ? check_preemption_disabled+0x48/0x280 [ 261.808664] run_timer_softirq+0x52/0xb0 [ 261.812728] ? rcu_read_lock_sched_held+0x14f/0x180 [ 261.817749] __do_softirq+0x308/0xb7e [ 261.821568] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 261.826066] ? lock_downgrade+0x900/0x900 [ 261.830222] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 261.835333] ? pvclock_read_flags+0x160/0x160 [ 261.839881] ? lapic_next_event+0x5a/0x90 [ 261.844034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.849575] ? kvm_clock_read+0x18/0x30 [ 261.853547] ? kvm_sched_clock_read+0x9/0x20 [ 261.857957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.863523] ? check_preemption_disabled+0x48/0x280 [ 261.868551] irq_exit+0x17f/0x1c0 [ 261.872007] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.876856] ? smp_call_function_single_interrupt+0x159/0x650 [ 261.882742] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.888625] ? interrupt_entry+0xb5/0xc0 [ 261.892693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.897724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.902741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.907584] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.912600] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.917621] ? task_prio+0x50/0x50 [ 261.921207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.926743] ? check_preemption_disabled+0x48/0x280 [ 261.931784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.936632] apic_timer_interrupt+0xf/0x20 [ 261.940898] [ 261.943163] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 261.949050] 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 [ 261.967956] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.975661] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 261.982926] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 261.990372] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 261.997640] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 262.004914] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 262.012263] ? save_stack+0xa9/0xd0 [ 262.015907] __kmalloc_node_track_caller+0x3c/0x70 [ 262.020852] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 262.025617] pskb_expand_head+0x230/0x10f0 [ 262.029901] ? memcpy+0x45/0x50 [ 262.033208] ? __copy_skb_header+0x350/0x6b0 [ 262.037630] ? skb_release_data+0x880/0x880 [ 262.041973] ? __alloc_skb+0x770/0x770 [ 262.045876] ? __lock_is_held+0xb5/0x140 [ 262.049947] ? kasan_check_write+0x14/0x20 [ 262.054206] ? __skb_clone+0x6c7/0xa00 [ 262.058095] ? __copy_skb_header+0x6b0/0x6b0 [ 262.062509] ? kmem_cache_alloc+0x33a/0x730 [ 262.066844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.072398] skb_ensure_writable+0x3dd/0x640 [ 262.076811] ? skb_checksum_setup+0xaa0/0xaa0 [ 262.081314] ? preempt_notifier_register+0x200/0x200 [ 262.086415] ? __switch_to_asm+0x34/0x70 [ 262.090472] ? __switch_to_asm+0x34/0x70 [ 262.094550] ? __switch_to_asm+0x40/0x70 [ 262.098609] ? __switch_to_asm+0x34/0x70 [ 262.102668] ? __switch_to_asm+0x40/0x70 [ 262.106754] ? __switch_to_asm+0x40/0x70 [ 262.110812] ? __switch_to_asm+0x34/0x70 [ 262.114892] ? __switch_to_asm+0x34/0x70 [ 262.118960] ? __switch_to_asm+0x40/0x70 [ 262.123020] ? __switch_to_asm+0x34/0x70 [ 262.127091] bpf_clone_redirect+0x14a/0x490 [ 262.131436] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 262.136374] ? __sched_text_start+0x8/0x8 [ 262.140526] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.145110] ? retint_kernel+0x2d/0x2d [ 262.148997] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.153978] ? find_held_lock+0x36/0x1c0 [ 262.158053] ? lock_acquire+0x1ed/0x520 [ 262.162030] ? bpf_test_run+0x3cb/0x780 [ 262.166010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.171553] ? check_preemption_disabled+0x48/0x280 [ 262.176578] ? kasan_check_read+0x11/0x20 [ 262.180729] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.186007] ? rcu_softirq_qs+0x20/0x20 [ 262.189989] ? preempt_schedule+0x4d/0x60 [ 262.194170] ? ___preempt_schedule+0x16/0x18 [ 262.198582] ? bpf_test_run+0x25d/0x780 [ 262.202571] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.206986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.212523] ? bpf_test_init.isra.10+0x70/0x100 [ 262.217200] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 262.222011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 262.226860] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.232414] ? fput+0x130/0x1a0 [ 262.235710] ? __bpf_prog_get+0x9b/0x290 [ 262.239818] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 262.244668] ? bpf_prog_test_run+0x130/0x1a0 [ 262.249086] ? __x64_sys_bpf+0x3d8/0x520 [ 262.253159] ? bpf_prog_get+0x20/0x20 [ 262.256982] ? do_syscall_64+0x1b9/0x820 [ 262.261045] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.266422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.271368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.276211] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.281231] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.286272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.291121] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.296504] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 262.296509] warn_alloc_show_mem: 1 callbacks suppressed [ 262.296521] Mem-Info: [ 262.303365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.303373] Call Trace: [ 262.308743] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 262.308743] active_file:12 inactive_file:11 isolated_file:0 [ 262.308743] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.308743] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 262.308743] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 262.308743] free:13794 free_pcp:515 free_cma:0 [ 262.311126] dump_stack+0x244/0x39d [ 262.320482] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.323065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 262.355928] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.359561] warn_alloc.cold.116+0xb7/0x1bd [ 262.387027] lowmem_reserve[]: 0 2818 6321 6321 [ 262.392212] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.418319] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 262.422636] ? lock_downgrade+0x900/0x900 [ 262.427188] lowmem_reserve[]: 0 0 3503 3503 [ 262.432026] ? trace_hardirqs_off+0xb8/0x310 [ 262.459326] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 262.463473] ? trace_hardirqs_off+0xb8/0x310 [ 262.467761] lowmem_reserve[]: 0 0 0 0 [ 262.472192] __alloc_pages_slowpath+0x2651/0x2de0 [ 262.501234] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 262.505669] ? warn_alloc+0x120/0x120 [ 262.509415] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 262.514256] ? print_usage_bug+0xc0/0xc0 [ 262.527769] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 262.531563] ? warn_alloc+0x120/0x120 [ 262.546545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.550594] ? warn_alloc+0x120/0x120 [ 262.565593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.569384] ? print_usage_bug+0xc0/0xc0 [ 262.578201] 267 total pagecache pages [ 262.581995] ? print_usage_bug+0xc0/0xc0 [ 262.590564] 0 pages in swap cache [ 262.594630] ? __lock_acquire+0x62f/0x4c20 [ 262.598407] Swap cache stats: add 0, delete 0, find 0/0 [ 262.602474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.605914] Free swap = 0kB [ 262.610140] ? should_fail+0x22d/0xd01 [ 262.615480] Total swap = 0kB [ 262.621009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.624001] 1965979 pages RAM [ 262.627929] ? __lock_acquire+0x62f/0x4c20 [ 262.630945] 0 pages HighMem/MovableOnly [ 262.636041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.639123] 342854 pages reserved [ 262.643381] ? __lock_acquire+0x62f/0x4c20 [ 262.647334] 0 pages cma reserved [ 262.652446] ? should_fail+0x22d/0xd01 [ 262.655970] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.660104] ? find_held_lock+0x36/0x1c0 [ 262.663502] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.667331] ? mark_held_locks+0x130/0x130 [ 262.673794] syz-executor0 cpuset=syz0 mems_allowed=0 [ 262.677892] ? mark_held_locks+0x130/0x130 [ 262.701887] ? zap_class+0x640/0x640 [ 262.705610] ? mark_held_locks+0xc7/0x130 [ 262.709756] ? do_raw_spin_unlock+0xa7/0x330 [ 262.714163] ? zap_class+0x640/0x640 [ 262.717883] ? print_usage_bug+0xc0/0xc0 [ 262.721951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.727493] ? check_preemption_disabled+0x48/0x280 [ 262.732529] ? __lock_is_held+0xb5/0x140 [ 262.736599] __alloc_pages_nodemask+0xad8/0xea0 [ 262.741265] ? zap_class+0x640/0x640 [ 262.744999] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 262.750040] ? find_held_lock+0x36/0x1c0 [ 262.754124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.758812] ? lock_downgrade+0x900/0x900 [ 262.762981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.768525] cache_grow_begin+0xa5/0x8c0 [ 262.772595] ? do_raw_spin_unlock+0xa7/0x330 [ 262.777016] fallback_alloc+0x204/0x2e0 [ 262.781002] ____cache_alloc_node+0x1c7/0x1e0 [ 262.785501] kmem_cache_alloc_node+0xe3/0x730 [ 262.790012] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.794258] __alloc_skb+0x119/0x770 [ 262.797973] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.803255] ? netdev_alloc_frag+0x1f0/0x1f0 [ 262.807663] ? lock_downgrade+0x900/0x900 [ 262.811819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.817368] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.822822] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.828281] ? addrconf_rs_timer+0x690/0x690 [ 262.832700] ndisc_alloc_skb+0x144/0x340 [ 262.836768] ndisc_send_rs+0x331/0x6e0 [ 262.840663] addrconf_rs_timer+0x314/0x690 [ 262.844909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.849155] call_timer_fn+0x272/0x920 [ 262.853042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.857275] ? process_timeout+0x40/0x40 [ 262.861371] ? __run_timers+0x7da/0xc70 [ 262.865369] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.869886] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.874420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.878700] ? lockdep_hardirqs_on+0x296/0x5b0 [ 262.883291] ? trace_hardirqs_on+0xbd/0x310 [ 262.887632] ? kasan_check_read+0x11/0x20 [ 262.891777] ? __run_timers+0x7da/0xc70 [ 262.895753] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.900871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.905113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.909344] __run_timers+0x7e5/0xc70 [ 262.913165] ? timer_fixup_init+0x70/0x70 [ 262.917343] ? find_held_lock+0x36/0x1c0 [ 262.921452] ? __schedule+0x168a/0x21d0 [ 262.925442] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.929946] ? pvclock_read_flags+0x160/0x160 [ 262.934465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.940004] ? check_preemption_disabled+0x48/0x280 [ 262.945032] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 262.950571] ? rcu_pm_notify+0xc0/0xc0 [ 262.954478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.960029] ? check_preemption_disabled+0x48/0x280 [ 262.965051] run_timer_softirq+0x52/0xb0 [ 262.969111] ? rcu_read_lock_sched_held+0x14f/0x180 [ 262.974152] __do_softirq+0x308/0xb7e [ 262.977979] ? retint_kernel+0x2d/0x2d [ 262.981879] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 262.986997] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.992456] ? finish_task_switch+0x2f4/0x910 [ 262.997115] ? schedule+0x108/0x460 [ 263.000783] ? trace_hardirqs_off+0xb8/0x310 [ 263.005207] ? smpboot_thread_fn+0x68b/0xa00 [ 263.009636] ? trace_hardirqs_on+0x310/0x310 [ 263.014048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.019585] ? check_preemption_disabled+0x48/0x280 [ 263.024632] ? takeover_tasklets+0xa90/0xa90 [ 263.029042] run_ksoftirqd+0x5e/0x100 [ 263.032853] smpboot_thread_fn+0x68b/0xa00 [ 263.037108] ? sort_range+0x30/0x30 [ 263.040740] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.045852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.051398] ? __kthread_parkme+0xfb/0x1a0 [ 263.055640] ? sort_range+0x30/0x30 [ 263.059272] kthread+0x35a/0x440 [ 263.062639] ? kthread_stop+0x900/0x900 [ 263.066616] ret_from_fork+0x3a/0x50 [ 263.070350] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 263.070425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.077712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.077717] Call Trace: [ 263.077724] [ 263.077741] dump_stack+0x244/0x39d [ 263.077775] ? dump_stack_print_info.cold.1+0x20/0x20 [ 263.084332] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.094129] warn_alloc.cold.116+0xb7/0x1bd [ 263.096690] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 263.098834] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.131787] ? lock_downgrade+0x900/0x900 [ 263.135973] ? trace_hardirqs_off+0xb8/0x310 [ 263.140395] ? trace_hardirqs_off+0xb8/0x310 [ 263.144811] __alloc_pages_slowpath+0x2651/0x2de0 [ 263.149713] ? warn_alloc+0x120/0x120 [ 263.153517] ? print_usage_bug+0xc0/0xc0 [ 263.157595] ? warn_alloc+0x120/0x120 [ 263.161398] ? zap_class+0x640/0x640 [ 263.165109] ? warn_alloc+0x120/0x120 [ 263.168912] ? print_usage_bug+0xc0/0xc0 [ 263.172978] ? print_usage_bug+0xc0/0xc0 [ 263.177055] ? __lock_acquire+0x62f/0x4c20 [ 263.181298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.186873] ? should_fail+0x22d/0xd01 [ 263.190792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.195937] ? __lock_acquire+0x62f/0x4c20 [ 263.200195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.205312] ? __lock_acquire+0x62f/0x4c20 [ 263.209545] ? should_fail+0x22d/0xd01 [ 263.213431] ? find_held_lock+0x36/0x1c0 [ 263.217500] ? mark_held_locks+0x130/0x130 [ 263.221735] ? mark_held_locks+0x130/0x130 [ 263.225967] ? zap_class+0x640/0x640 [ 263.229678] ? zap_class+0x640/0x640 [ 263.233395] ? print_usage_bug+0xc0/0xc0 [ 263.237452] ? do_raw_spin_unlock+0xa7/0x330 [ 263.241875] ? zap_class+0x640/0x640 [ 263.245593] ? print_usage_bug+0xc0/0xc0 [ 263.249651] ? wq_watchdog_touch+0x9c/0xfe [ 263.253902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.259464] ? check_preemption_disabled+0x48/0x280 [ 263.264490] ? __lock_is_held+0xb5/0x140 [ 263.268559] __alloc_pages_nodemask+0xad8/0xea0 [ 263.273233] ? zap_class+0x640/0x640 [ 263.276955] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 263.281996] ? find_held_lock+0x36/0x1c0 [ 263.286066] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.290739] ? lock_downgrade+0x900/0x900 [ 263.294897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.300493] cache_grow_begin+0xa5/0x8c0 [ 263.304555] ? do_raw_spin_unlock+0xa7/0x330 [ 263.308974] fallback_alloc+0x204/0x2e0 [ 263.312959] ____cache_alloc_node+0x1c7/0x1e0 [ 263.317458] kmem_cache_alloc_node+0xe3/0x730 [ 263.321966] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.326213] __alloc_skb+0x119/0x770 [ 263.329929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.335224] ? netdev_alloc_frag+0x1f0/0x1f0 [ 263.339647] ? lock_downgrade+0x900/0x900 [ 263.343823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.349411] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.354878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.360333] ? addrconf_rs_timer+0x690/0x690 [ 263.364819] ndisc_alloc_skb+0x144/0x340 [ 263.368894] ndisc_send_rs+0x331/0x6e0 [ 263.372786] addrconf_rs_timer+0x314/0x690 [ 263.377026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.381267] call_timer_fn+0x272/0x920 [ 263.385153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.389406] ? process_timeout+0x40/0x40 [ 263.393477] ? __run_timers+0x7da/0xc70 [ 263.397467] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.401962] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.406458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.410722] ? lockdep_hardirqs_on+0x296/0x5b0 [ 263.415306] ? trace_hardirqs_on+0xbd/0x310 [ 263.419645] ? kasan_check_read+0x11/0x20 [ 263.423792] ? __run_timers+0x7da/0xc70 [ 263.427767] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.432954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.437210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.441453] __run_timers+0x7e5/0xc70 [ 263.445266] ? timer_fixup_init+0x70/0x70 [ 263.449412] ? kasan_check_read+0x11/0x20 [ 263.453565] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.458849] ? rcu_softirq_qs+0x20/0x20 [ 263.462850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.468390] ? check_preemption_disabled+0x48/0x280 [ 263.473446] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.478205] ? retint_kernel+0x2d/0x2d [ 263.482094] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.487042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.491800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.497253] ? zap_class+0x640/0x640 [ 263.500976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.506515] ? check_preemption_disabled+0x48/0x280 [ 263.511558] ? __lock_is_held+0xb5/0x140 [ 263.515621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.521160] ? check_preemption_disabled+0x48/0x280 [ 263.526191] run_timer_softirq+0x52/0xb0 [ 263.530299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 263.535336] __do_softirq+0x308/0xb7e [ 263.539144] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 263.543641] ? lock_downgrade+0x900/0x900 [ 263.547796] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 263.552921] ? pvclock_read_flags+0x160/0x160 [ 263.557434] ? lapic_next_event+0x5a/0x90 [ 263.561588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.567134] ? kvm_clock_read+0x18/0x30 [ 263.571108] ? kvm_sched_clock_read+0x9/0x20 [ 263.575518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.581057] ? check_preemption_disabled+0x48/0x280 [ 263.586088] irq_exit+0x17f/0x1c0 [ 263.589545] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.594396] ? smp_call_function_single_interrupt+0x159/0x650 [ 263.600285] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.606171] ? interrupt_entry+0xb5/0xc0 [ 263.610236] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.615272] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.620290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.625157] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.630176] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.635191] ? task_prio+0x50/0x50 [ 263.638733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.644273] ? check_preemption_disabled+0x48/0x280 [ 263.649294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.654144] apic_timer_interrupt+0xf/0x20 [ 263.658391] [ 263.660633] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 263.666531] 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 [ 263.685443] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.693148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 263.700416] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 263.707684] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 263.714950] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 263.722232] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 263.729543] ? save_stack+0xa9/0xd0 [ 263.733186] __kmalloc_node_track_caller+0x3c/0x70 [ 263.738124] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 263.742906] pskb_expand_head+0x230/0x10f0 [ 263.747178] ? memcpy+0x45/0x50 [ 263.750462] ? __copy_skb_header+0x350/0x6b0 [ 263.754874] ? skb_release_data+0x880/0x880 [ 263.759196] ? __alloc_skb+0x770/0x770 [ 263.763099] ? __lock_is_held+0xb5/0x140 [ 263.767180] ? kasan_check_write+0x14/0x20 [ 263.771456] ? __skb_clone+0x6c7/0xa00 [ 263.775363] ? __copy_skb_header+0x6b0/0x6b0 [ 263.779767] ? kmem_cache_alloc+0x33a/0x730 [ 263.784095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.789640] skb_ensure_writable+0x3dd/0x640 [ 263.794058] ? skb_checksum_setup+0xaa0/0xaa0 [ 263.798566] ? preempt_notifier_register+0x200/0x200 [ 263.803667] ? __switch_to_asm+0x34/0x70 [ 263.807742] ? __switch_to_asm+0x34/0x70 [ 263.811802] ? __switch_to_asm+0x40/0x70 [ 263.815867] ? __switch_to_asm+0x34/0x70 [ 263.819929] ? __switch_to_asm+0x40/0x70 [ 263.823991] ? __switch_to_asm+0x40/0x70 [ 263.828052] ? __switch_to_asm+0x34/0x70 [ 263.832127] ? __switch_to_asm+0x34/0x70 [ 263.836184] ? __switch_to_asm+0x40/0x70 [ 263.840242] ? __switch_to_asm+0x34/0x70 [ 263.844320] bpf_clone_redirect+0x14a/0x490 [ 263.848648] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 263.853582] ? __sched_text_start+0x8/0x8 [ 263.857739] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 263.862321] ? retint_kernel+0x2d/0x2d [ 263.866214] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.871148] ? find_held_lock+0x36/0x1c0 [ 263.875235] ? lock_acquire+0x1ed/0x520 [ 263.879260] ? bpf_test_run+0x3cb/0x780 [ 263.883237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.888799] ? check_preemption_disabled+0x48/0x280 [ 263.893822] ? kasan_check_read+0x11/0x20 [ 263.897979] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.903267] ? rcu_softirq_qs+0x20/0x20 [ 263.907257] ? preempt_schedule+0x4d/0x60 [ 263.911407] ? ___preempt_schedule+0x16/0x18 [ 263.915825] ? bpf_test_run+0x25d/0x780 [ 263.919818] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.924244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.929784] ? bpf_test_init.isra.10+0x70/0x100 [ 263.934458] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 263.939225] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 263.944066] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.949606] ? fput+0x130/0x1a0 [ 263.952893] ? __bpf_prog_get+0x9b/0x290 [ 263.956962] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 263.961993] ? bpf_prog_test_run+0x130/0x1a0 [ 263.966420] ? __x64_sys_bpf+0x3d8/0x520 [ 263.970482] ? bpf_prog_get+0x20/0x20 [ 263.974303] ? do_syscall_64+0x1b9/0x820 [ 263.978370] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.983740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.988680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.993546] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.998583] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.003630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.008486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.013883] warn_alloc_show_mem: 1 callbacks suppressed [ 264.013895] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 264.013897] Mem-Info: [ 264.013928] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 264.013928] active_file:12 inactive_file:11 isolated_file:0 [ 264.013928] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.013928] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 264.013928] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 264.013928] free:13794 free_pcp:515 free_cma:0 [ 264.019267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.026120] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.028516] Call Trace: [ 264.061385] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.070743] dump_stack+0x244/0x39d [ 264.098207] lowmem_reserve[]: 0 2818 6321 6321 [ 264.100798] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.126884] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 264.130524] warn_alloc.cold.116+0xb7/0x1bd [ 264.135074] lowmem_reserve[]: 0 0 3503 3503 [ 264.140259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.167563] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 264.171885] ? lock_downgrade+0x900/0x900 [ 264.176182] lowmem_reserve[]: 0 0 0 0 [ 264.181025] ? trace_hardirqs_off+0xb8/0x310 [ 264.210059] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 264.214223] ? trace_hardirqs_off+0xb8/0x310 [ 264.217998] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 264.222403] __alloc_pages_slowpath+0x2651/0x2de0 [ 264.235942] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 264.240372] ? warn_alloc+0x120/0x120 [ 264.255337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.260169] ? print_usage_bug+0xc0/0xc0 [ 264.275145] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.278942] ? warn_alloc+0x120/0x120 [ 264.287758] 267 total pagecache pages [ 264.291814] ? warn_alloc+0x120/0x120 [ 264.300371] 0 pages in swap cache [ 264.304156] ? print_usage_bug+0xc0/0xc0 [ 264.307939] Swap cache stats: add 0, delete 0, find 0/0 [ 264.311732] ? print_usage_bug+0xc0/0xc0 [ 264.315164] Free swap = 0kB [ 264.319216] ? __lock_acquire+0x62f/0x4c20 [ 264.324554] Total swap = 0kB [ 264.328608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.331601] 1965979 pages RAM [ 264.335825] ? should_fail+0x22d/0xd01 [ 264.338823] 0 pages HighMem/MovableOnly [ 264.344384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.347464] 342854 pages reserved [ 264.351342] ? __lock_acquire+0x62f/0x4c20 [ 264.355290] 0 pages cma reserved [ 264.360387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.363896] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.368046] ? __lock_acquire+0x62f/0x4c20 [ 264.368059] ? should_fail+0x22d/0xd01 [ 264.368072] ? find_held_lock+0x36/0x1c0 [ 264.368093] ? mark_held_locks+0x130/0x130 [ 264.371504] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.376545] ? mark_held_locks+0x130/0x130 [ 264.383012] syz-executor0 cpuset=syz0 mems_allowed=0 [ 264.387240] ? zap_class+0x640/0x640 [ 264.422946] ? zap_class+0x640/0x640 [ 264.426667] ? print_usage_bug+0xc0/0xc0 [ 264.430731] ? do_raw_spin_unlock+0xa7/0x330 [ 264.435150] ? zap_class+0x640/0x640 [ 264.438875] ? print_usage_bug+0xc0/0xc0 [ 264.442951] ? wq_watchdog_touch+0x9c/0xfe [ 264.447190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.452728] ? check_preemption_disabled+0x48/0x280 [ 264.457775] ? __lock_is_held+0xb5/0x140 [ 264.461877] __alloc_pages_nodemask+0xad8/0xea0 [ 264.466579] ? zap_class+0x640/0x640 [ 264.470297] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 264.475323] ? find_held_lock+0x36/0x1c0 [ 264.479412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.484084] ? lock_downgrade+0x900/0x900 [ 264.488241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.493797] cache_grow_begin+0xa5/0x8c0 [ 264.497868] ? do_raw_spin_unlock+0xa7/0x330 [ 264.502298] fallback_alloc+0x204/0x2e0 [ 264.506295] ____cache_alloc_node+0x1c7/0x1e0 [ 264.510817] kmem_cache_alloc_node+0xe3/0x730 [ 264.515328] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.519576] __alloc_skb+0x119/0x770 [ 264.523287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.528588] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.532996] ? lock_downgrade+0x900/0x900 [ 264.537152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.542692] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.548146] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.553600] ? addrconf_rs_timer+0x690/0x690 [ 264.558053] ndisc_alloc_skb+0x144/0x340 [ 264.562123] ndisc_send_rs+0x331/0x6e0 [ 264.566016] addrconf_rs_timer+0x314/0x690 [ 264.570257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.574521] call_timer_fn+0x272/0x920 [ 264.578410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.582649] ? process_timeout+0x40/0x40 [ 264.586715] ? __run_timers+0x7da/0xc70 [ 264.590691] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.595184] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.599679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.603928] ? lockdep_hardirqs_on+0x296/0x5b0 [ 264.608553] ? trace_hardirqs_on+0xbd/0x310 [ 264.612899] ? kasan_check_read+0x11/0x20 [ 264.617045] ? __run_timers+0x7da/0xc70 [ 264.621028] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.626135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.630389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.634618] __run_timers+0x7e5/0xc70 [ 264.638430] ? timer_fixup_init+0x70/0x70 [ 264.642592] ? find_held_lock+0x36/0x1c0 [ 264.646665] ? __schedule+0x168a/0x21d0 [ 264.650644] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.655148] ? pvclock_read_flags+0x160/0x160 [ 264.659650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.665194] ? check_preemption_disabled+0x48/0x280 [ 264.670222] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 264.675760] ? rcu_pm_notify+0xc0/0xc0 [ 264.679655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.685198] ? check_preemption_disabled+0x48/0x280 [ 264.690221] run_timer_softirq+0x52/0xb0 [ 264.694285] ? rcu_read_lock_sched_held+0x14f/0x180 [ 264.699323] __do_softirq+0x308/0xb7e [ 264.703130] ? retint_kernel+0x2d/0x2d [ 264.707027] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 264.712151] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.717605] ? finish_task_switch+0x2f4/0x910 [ 264.722110] ? schedule+0x108/0x460 [ 264.725748] ? trace_hardirqs_off+0xb8/0x310 [ 264.730174] ? smpboot_thread_fn+0x68b/0xa00 [ 264.734588] ? trace_hardirqs_on+0x310/0x310 [ 264.739015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.744565] ? check_preemption_disabled+0x48/0x280 [ 264.749597] ? takeover_tasklets+0xa90/0xa90 [ 264.754007] run_ksoftirqd+0x5e/0x100 [ 264.757814] smpboot_thread_fn+0x68b/0xa00 [ 264.762059] ? sort_range+0x30/0x30 [ 264.765686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.770792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.776333] ? __kthread_parkme+0xfb/0x1a0 [ 264.780572] ? sort_range+0x30/0x30 [ 264.784197] kthread+0x35a/0x440 [ 264.787576] ? kthread_stop+0x900/0x900 [ 264.791568] ret_from_fork+0x3a/0x50 [ 264.795302] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 264.795373] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.802662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.802668] Call Trace: [ 264.802674] [ 264.802692] dump_stack+0x244/0x39d [ 264.802710] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.809266] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.818539] warn_alloc.cold.116+0xb7/0x1bd [ 264.821105] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 264.823270] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.856159] ? lock_downgrade+0x900/0x900 [ 264.860316] ? trace_hardirqs_off+0xb8/0x310 [ 264.864731] ? trace_hardirqs_off+0xb8/0x310 [ 264.869174] __alloc_pages_slowpath+0x2651/0x2de0 [ 264.874051] ? warn_alloc+0x120/0x120 [ 264.877862] ? print_usage_bug+0xc0/0xc0 [ 264.881932] ? warn_alloc+0x120/0x120 [ 264.885737] ? warn_alloc+0x120/0x120 [ 264.889552] ? print_usage_bug+0xc0/0xc0 [ 264.893644] ? print_usage_bug+0xc0/0xc0 [ 264.897718] ? __lock_acquire+0x62f/0x4c20 [ 264.901972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.907515] ? should_fail+0x22d/0xd01 [ 264.911418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.916521] ? __lock_acquire+0x62f/0x4c20 [ 264.920760] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.925884] ? __lock_acquire+0x62f/0x4c20 [ 264.930127] ? should_fail+0x22d/0xd01 [ 264.934015] ? find_held_lock+0x36/0x1c0 [ 264.938097] ? mark_held_locks+0x130/0x130 [ 264.942339] ? mark_held_locks+0x130/0x130 [ 264.946573] ? zap_class+0x640/0x640 [ 264.950298] ? zap_class+0x640/0x640 [ 264.954014] ? print_usage_bug+0xc0/0xc0 [ 264.958073] ? do_raw_spin_unlock+0xa7/0x330 [ 264.962493] ? zap_class+0x640/0x640 [ 264.966224] ? print_usage_bug+0xc0/0xc0 [ 264.970292] ? wq_watchdog_touch+0x9c/0xfe [ 264.974532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.980089] ? check_preemption_disabled+0x48/0x280 [ 264.985123] ? __lock_is_held+0xb5/0x140 [ 264.989198] __alloc_pages_nodemask+0xad8/0xea0 [ 264.993877] ? zap_class+0x640/0x640 [ 264.997600] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 265.002627] ? find_held_lock+0x36/0x1c0 [ 265.006701] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.011374] ? lock_downgrade+0x900/0x900 [ 265.015529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.021073] cache_grow_begin+0xa5/0x8c0 [ 265.025135] ? do_raw_spin_unlock+0xa7/0x330 [ 265.029552] fallback_alloc+0x204/0x2e0 [ 265.033547] ____cache_alloc_node+0x1c7/0x1e0 [ 265.038047] kmem_cache_alloc_node+0xe3/0x730 [ 265.042544] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.046788] __alloc_skb+0x119/0x770 [ 265.050527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.055844] ? netdev_alloc_frag+0x1f0/0x1f0 [ 265.060256] ? lock_downgrade+0x900/0x900 [ 265.064411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.069950] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.075411] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.080883] ? addrconf_rs_timer+0x690/0x690 [ 265.085304] ndisc_alloc_skb+0x144/0x340 [ 265.089874] ndisc_send_rs+0x331/0x6e0 [ 265.093767] addrconf_rs_timer+0x314/0x690 [ 265.098008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.102255] call_timer_fn+0x272/0x920 [ 265.106141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.110387] ? process_timeout+0x40/0x40 [ 265.114467] ? __run_timers+0x7da/0xc70 [ 265.118439] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.122932] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.127431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.131668] ? lockdep_hardirqs_on+0x296/0x5b0 [ 265.136256] ? trace_hardirqs_on+0xbd/0x310 [ 265.140577] ? kasan_check_read+0x11/0x20 [ 265.144727] ? __run_timers+0x7da/0xc70 [ 265.148704] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.153812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.158057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.162295] __run_timers+0x7e5/0xc70 [ 265.166106] ? timer_fixup_init+0x70/0x70 [ 265.170257] ? kasan_check_read+0x11/0x20 [ 265.174413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.179706] ? rcu_softirq_qs+0x20/0x20 [ 265.183688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.189248] ? check_preemption_disabled+0x48/0x280 [ 265.194269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.199028] ? retint_kernel+0x2d/0x2d [ 265.202916] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.207859] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.212629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.218084] ? zap_class+0x640/0x640 [ 265.221807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.227349] ? check_preemption_disabled+0x48/0x280 [ 265.232386] ? __lock_is_held+0xb5/0x140 [ 265.236462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.242006] ? check_preemption_disabled+0x48/0x280 [ 265.247027] run_timer_softirq+0x52/0xb0 [ 265.251107] ? rcu_read_lock_sched_held+0x14f/0x180 [ 265.256140] __do_softirq+0x308/0xb7e [ 265.259971] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 265.264469] ? lock_downgrade+0x900/0x900 [ 265.268622] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 265.273736] ? pvclock_read_flags+0x160/0x160 [ 265.278246] ? lapic_next_event+0x5a/0x90 [ 265.282409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.287955] ? kvm_clock_read+0x18/0x30 [ 265.291931] ? kvm_sched_clock_read+0x9/0x20 [ 265.296356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.301908] ? check_preemption_disabled+0x48/0x280 [ 265.306948] irq_exit+0x17f/0x1c0 [ 265.310406] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.315260] ? smp_call_function_single_interrupt+0x159/0x650 [ 265.321159] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.327044] ? interrupt_entry+0xb5/0xc0 [ 265.331108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.336132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.341150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.345995] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.351029] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.356059] ? task_prio+0x50/0x50 [ 265.359603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.365152] ? check_preemption_disabled+0x48/0x280 [ 265.370200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.375055] apic_timer_interrupt+0xf/0x20 [ 265.379295] [ 265.381552] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 265.387451] 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 [ 265.406347] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.414062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.421332] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 265.428620] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 265.435887] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 265.443154] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 265.450446] ? save_stack+0xa9/0xd0 [ 265.454104] __kmalloc_node_track_caller+0x3c/0x70 [ 265.459099] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 265.463893] pskb_expand_head+0x230/0x10f0 [ 265.468140] ? memcpy+0x45/0x50 [ 265.471422] ? __copy_skb_header+0x350/0x6b0 [ 265.475829] ? skb_release_data+0x880/0x880 [ 265.480161] ? __alloc_skb+0x770/0x770 [ 265.484058] ? __lock_is_held+0xb5/0x140 [ 265.488130] ? kasan_check_write+0x14/0x20 [ 265.492380] ? __skb_clone+0x6c7/0xa00 [ 265.496272] ? __copy_skb_header+0x6b0/0x6b0 [ 265.500688] ? kmem_cache_alloc+0x33a/0x730 [ 265.505013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.510556] skb_ensure_writable+0x3dd/0x640 [ 265.514971] ? skb_checksum_setup+0xaa0/0xaa0 [ 265.519466] ? preempt_notifier_register+0x200/0x200 [ 265.524567] ? __switch_to_asm+0x34/0x70 [ 265.528628] ? __switch_to_asm+0x34/0x70 [ 265.532698] ? __switch_to_asm+0x40/0x70 [ 265.536756] ? __switch_to_asm+0x34/0x70 [ 265.540813] ? __switch_to_asm+0x40/0x70 [ 265.544907] ? __switch_to_asm+0x40/0x70 [ 265.548968] ? __switch_to_asm+0x34/0x70 [ 265.553025] ? __switch_to_asm+0x34/0x70 [ 265.557081] ? __switch_to_asm+0x40/0x70 [ 265.561136] ? __switch_to_asm+0x34/0x70 [ 265.565197] bpf_clone_redirect+0x14a/0x490 [ 265.569542] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 265.574491] ? __sched_text_start+0x8/0x8 [ 265.578642] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.583228] ? retint_kernel+0x2d/0x2d [ 265.587116] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.592063] ? find_held_lock+0x36/0x1c0 [ 265.596132] ? lock_acquire+0x1ed/0x520 [ 265.600107] ? bpf_test_run+0x3cb/0x780 [ 265.604087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.609663] ? check_preemption_disabled+0x48/0x280 [ 265.614685] ? kasan_check_read+0x11/0x20 [ 265.618857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.624136] ? rcu_softirq_qs+0x20/0x20 [ 265.628119] ? preempt_schedule+0x4d/0x60 [ 265.632272] ? ___preempt_schedule+0x16/0x18 [ 265.636692] ? bpf_test_run+0x25d/0x780 [ 265.640696] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.645115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.650667] ? bpf_test_init.isra.10+0x70/0x100 [ 265.655375] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 265.660138] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 265.664980] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.670532] ? fput+0x130/0x1a0 [ 265.673819] ? __bpf_prog_get+0x9b/0x290 [ 265.677893] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 265.682800] ? bpf_prog_test_run+0x130/0x1a0 [ 265.687217] ? __x64_sys_bpf+0x3d8/0x520 [ 265.691276] ? bpf_prog_get+0x20/0x20 [ 265.695108] ? do_syscall_64+0x1b9/0x820 [ 265.699166] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.704547] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.709475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.714339] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.719372] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.724412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.729280] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.734663] warn_alloc_show_mem: 1 callbacks suppressed [ 265.734674] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 265.734676] Mem-Info: [ 265.734708] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 265.734708] active_file:12 inactive_file:11 isolated_file:0 [ 265.734708] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.734708] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 265.734708] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 265.734708] free:13794 free_pcp:515 free_cma:0 [ 265.740050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.746919] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.749345] Call Trace: [ 265.782217] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 265.791603] dump_stack+0x244/0x39d [ 265.819067] lowmem_reserve[]: 0 2818 6321 6321 [ 265.821655] ? dump_stack_print_info.cold.1+0x20/0x20 [ 265.847737] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 265.851363] warn_alloc.cold.116+0xb7/0x1bd [ 265.855920] lowmem_reserve[]: 0 0 3503 3503 [ 265.861103] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.888419] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 265.892751] ? lock_downgrade+0x900/0x900 [ 265.897046] lowmem_reserve[]: 0 0 0 0 [ 265.901921] ? trace_hardirqs_off+0xb8/0x310 [ 265.930955] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 265.935111] ? trace_hardirqs_off+0xb8/0x310 [ 265.938892] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 265.943299] __alloc_pages_slowpath+0x2651/0x2de0 [ 265.956797] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 265.961675] ? warn_alloc+0x120/0x120 [ 265.976637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.981470] ? print_usage_bug+0xc0/0xc0 [ 265.996446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.000233] ? warn_alloc+0x120/0x120 [ 266.009059] 267 total pagecache pages [ 266.013116] ? warn_alloc+0x120/0x120 [ 266.021671] 0 pages in swap cache [ 266.025458] ? print_usage_bug+0xc0/0xc0 [ 266.029252] Swap cache stats: add 0, delete 0, find 0/0 [ 266.033044] ? print_usage_bug+0xc0/0xc0 [ 266.036470] Free swap = 0kB [ 266.040524] ? __lock_acquire+0x62f/0x4c20 [ 266.045883] Total swap = 0kB [ 266.049942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.052939] 1965979 pages RAM [ 266.057175] ? should_fail+0x22d/0xd01 [ 266.060206] 0 pages HighMem/MovableOnly [ 266.065777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.068883] 342854 pages reserved [ 266.072788] ? __lock_acquire+0x62f/0x4c20 [ 266.076736] 0 pages cma reserved [ 266.081833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.085378] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.089521] ? __lock_acquire+0x62f/0x4c20 [ 266.089534] ? should_fail+0x22d/0xd01 [ 266.089547] ? find_held_lock+0x36/0x1c0 [ 266.089568] ? mark_held_locks+0x130/0x130 [ 266.093273] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.098008] ? mark_held_locks+0x130/0x130 [ 266.104481] syz-executor0 cpuset=syz0 mems_allowed=0 [ 266.108711] ? zap_class+0x640/0x640 [ 266.144393] ? mark_held_locks+0xc7/0x130 [ 266.148539] ? do_raw_spin_unlock+0xa7/0x330 [ 266.152946] ? zap_class+0x640/0x640 [ 266.156673] ? print_usage_bug+0xc0/0xc0 [ 266.160738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.166278] ? check_preemption_disabled+0x48/0x280 [ 266.171301] ? __lock_is_held+0xb5/0x140 [ 266.175370] __alloc_pages_nodemask+0xad8/0xea0 [ 266.180042] ? zap_class+0x640/0x640 [ 266.183758] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 266.188802] ? find_held_lock+0x36/0x1c0 [ 266.192895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.197582] ? lock_downgrade+0x900/0x900 [ 266.201740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.207290] cache_grow_begin+0xa5/0x8c0 [ 266.211353] ? do_raw_spin_unlock+0xa7/0x330 [ 266.215772] fallback_alloc+0x204/0x2e0 [ 266.219779] ____cache_alloc_node+0x1c7/0x1e0 [ 266.224280] kmem_cache_alloc_node+0xe3/0x730 [ 266.228775] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.233023] __alloc_skb+0x119/0x770 [ 266.236738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.242062] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.246481] ? lock_downgrade+0x900/0x900 [ 266.250632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.256164] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.261639] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.267096] ? addrconf_rs_timer+0x690/0x690 [ 266.271516] ndisc_alloc_skb+0x144/0x340 [ 266.275578] ndisc_send_rs+0x331/0x6e0 [ 266.279487] addrconf_rs_timer+0x314/0x690 [ 266.283740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.287985] call_timer_fn+0x272/0x920 [ 266.291895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.296130] ? process_timeout+0x40/0x40 [ 266.300210] ? __run_timers+0x7da/0xc70 [ 266.304188] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.308685] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.313190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.317431] ? lockdep_hardirqs_on+0x296/0x5b0 [ 266.322021] ? trace_hardirqs_on+0xbd/0x310 [ 266.326343] ? kasan_check_read+0x11/0x20 [ 266.330493] ? __run_timers+0x7da/0xc70 [ 266.334478] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.339607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.343855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.348103] __run_timers+0x7e5/0xc70 [ 266.351914] ? timer_fixup_init+0x70/0x70 [ 266.356075] ? find_held_lock+0x36/0x1c0 [ 266.360148] ? __schedule+0x168a/0x21d0 [ 266.364124] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.368628] ? pvclock_read_flags+0x160/0x160 [ 266.373139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.378714] ? check_preemption_disabled+0x48/0x280 [ 266.383753] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 266.389289] ? rcu_pm_notify+0xc0/0xc0 [ 266.393193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.398729] ? check_preemption_disabled+0x48/0x280 [ 266.403751] run_timer_softirq+0x52/0xb0 [ 266.407830] ? rcu_read_lock_sched_held+0x14f/0x180 [ 266.412892] __do_softirq+0x308/0xb7e [ 266.416714] ? retint_kernel+0x2d/0x2d [ 266.420611] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.425728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.431181] ? finish_task_switch+0x2f4/0x910 [ 266.435682] ? schedule+0x108/0x460 [ 266.439333] ? trace_hardirqs_off+0xb8/0x310 [ 266.443747] ? smpboot_thread_fn+0x68b/0xa00 [ 266.448172] ? trace_hardirqs_on+0x310/0x310 [ 266.452585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.458125] ? check_preemption_disabled+0x48/0x280 [ 266.463167] ? takeover_tasklets+0xa90/0xa90 [ 266.467576] run_ksoftirqd+0x5e/0x100 [ 266.471377] smpboot_thread_fn+0x68b/0xa00 [ 266.475632] ? sort_range+0x30/0x30 [ 266.479260] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.484365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.489911] ? __kthread_parkme+0xfb/0x1a0 [ 266.494165] ? sort_range+0x30/0x30 [ 266.497798] kthread+0x35a/0x440 [ 266.501165] ? kthread_stop+0x900/0x900 [ 266.505142] ret_from_fork+0x3a/0x50 [ 266.508915] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 266.509002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.516294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.516299] Call Trace: [ 266.516306] [ 266.516351] dump_stack+0x244/0x39d [ 266.516376] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.522937] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.532222] warn_alloc.cold.116+0xb7/0x1bd [ 266.534774] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 266.536924] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.569803] ? lock_downgrade+0x900/0x900 [ 266.573969] ? trace_hardirqs_off+0xb8/0x310 [ 266.578389] ? trace_hardirqs_off+0xb8/0x310 [ 266.582825] __alloc_pages_slowpath+0x2651/0x2de0 [ 266.587721] ? warn_alloc+0x120/0x120 [ 266.591531] ? warn_alloc+0x120/0x120 [ 266.595350] ? warn_alloc+0x120/0x120 [ 266.599172] ? print_usage_bug+0xc0/0xc0 [ 266.603238] ? print_usage_bug+0xc0/0xc0 [ 266.607306] ? print_usage_bug+0xc0/0xc0 [ 266.611396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.616964] ? should_fail+0x22d/0xd01 [ 266.620895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.626002] ? __lock_acquire+0x62f/0x4c20 [ 266.630242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.635344] ? __lock_acquire+0x62f/0x4c20 [ 266.639585] ? should_fail+0x22d/0xd01 [ 266.643488] ? mark_held_locks+0x130/0x130 [ 266.647745] ? mark_held_locks+0x130/0x130 [ 266.651996] ? find_held_lock+0x36/0x1c0 [ 266.656069] ? zap_class+0x640/0x640 [ 266.659783] ? print_usage_bug+0xc0/0xc0 [ 266.663864] ? lock_downgrade+0x900/0x900 [ 266.668021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.673560] ? check_preemption_disabled+0x48/0x280 [ 266.678618] ? __lock_is_held+0xb5/0x140 [ 266.682687] __alloc_pages_nodemask+0xad8/0xea0 [ 266.687365] ? zap_class+0x640/0x640 [ 266.691084] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 266.696114] ? find_held_lock+0x36/0x1c0 [ 266.700199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.704884] ? lock_downgrade+0x900/0x900 [ 266.709045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.714592] cache_grow_begin+0xa5/0x8c0 [ 266.718651] ? do_raw_spin_unlock+0xa7/0x330 [ 266.723069] fallback_alloc+0x204/0x2e0 [ 266.727054] ____cache_alloc_node+0x1c7/0x1e0 [ 266.731554] kmem_cache_alloc_node+0xe3/0x730 [ 266.736055] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.740302] __alloc_skb+0x119/0x770 [ 266.744021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.749305] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.753729] ? lock_downgrade+0x900/0x900 [ 266.757928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.763467] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.768925] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.774381] ? addrconf_rs_timer+0x690/0x690 [ 266.778805] ndisc_alloc_skb+0x144/0x340 [ 266.782954] ndisc_send_rs+0x331/0x6e0 [ 266.786853] addrconf_rs_timer+0x314/0x690 [ 266.791103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.795351] call_timer_fn+0x272/0x920 [ 266.799255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.803515] ? process_timeout+0x40/0x40 [ 266.807608] ? __run_timers+0x7da/0xc70 [ 266.811583] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.816080] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.820577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.824812] ? lockdep_hardirqs_on+0x296/0x5b0 [ 266.829418] ? trace_hardirqs_on+0xbd/0x310 [ 266.833750] ? kasan_check_read+0x11/0x20 [ 266.837896] ? __run_timers+0x7da/0xc70 [ 266.841893] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.847007] ? tcp_write_timer_handler+0x950/0x950 [ 266.851945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.856179] __run_timers+0x7e5/0xc70 [ 266.859999] ? timer_fixup_init+0x70/0x70 [ 266.864150] ? kasan_check_read+0x11/0x20 [ 266.868318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.873615] ? rcu_softirq_qs+0x20/0x20 [ 266.877593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.883134] ? check_preemption_disabled+0x48/0x280 [ 266.888156] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.892932] ? retint_kernel+0x2d/0x2d [ 266.896818] ? trace_hardirqs_on_caller+0xc0/0x310 [ 266.901755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.906517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.911971] ? zap_class+0x640/0x640 [ 266.915696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.921248] ? check_preemption_disabled+0x48/0x280 [ 266.926276] ? __lock_is_held+0xb5/0x140 [ 266.930386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.935925] ? check_preemption_disabled+0x48/0x280 [ 266.940947] run_timer_softirq+0x52/0xb0 [ 266.945012] ? rcu_read_lock_sched_held+0x14f/0x180 [ 266.950076] __do_softirq+0x308/0xb7e [ 266.953885] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 266.958382] ? lock_downgrade+0x900/0x900 [ 266.962541] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.967657] ? pvclock_read_flags+0x160/0x160 [ 266.972173] ? lapic_next_event+0x5a/0x90 [ 266.976337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.981886] ? kvm_clock_read+0x18/0x30 [ 266.985895] ? kvm_sched_clock_read+0x9/0x20 [ 266.990337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.995884] ? check_preemption_disabled+0x48/0x280 [ 267.000911] irq_exit+0x17f/0x1c0 [ 267.004375] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.009236] ? smp_call_function_single_interrupt+0x159/0x650 [ 267.015124] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.021008] ? interrupt_entry+0xb5/0xc0 [ 267.025073] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.030091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.035115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.039969] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.044990] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.050007] ? task_prio+0x50/0x50 [ 267.053557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.059115] ? check_preemption_disabled+0x48/0x280 [ 267.064137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.068991] apic_timer_interrupt+0xf/0x20 [ 267.073245] [ 267.075491] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 267.081380] 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 [ 267.100752] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.108475] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 267.115741] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 267.123012] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 267.130277] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 267.137542] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 267.144845] ? save_stack+0xa9/0xd0 [ 267.148516] __kmalloc_node_track_caller+0x3c/0x70 [ 267.153480] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 267.158247] pskb_expand_head+0x230/0x10f0 [ 267.162503] ? memcpy+0x45/0x50 [ 267.165784] ? __copy_skb_header+0x350/0x6b0 [ 267.170207] ? skb_release_data+0x880/0x880 [ 267.174529] ? __alloc_skb+0x770/0x770 [ 267.178430] ? __lock_is_held+0xb5/0x140 [ 267.182500] ? kasan_check_write+0x14/0x20 [ 267.186736] ? __skb_clone+0x6c7/0xa00 [ 267.190628] ? __copy_skb_header+0x6b0/0x6b0 [ 267.195040] ? kmem_cache_alloc+0x33a/0x730 [ 267.199373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.204921] skb_ensure_writable+0x3dd/0x640 [ 267.209338] ? skb_checksum_setup+0xaa0/0xaa0 [ 267.213886] ? preempt_notifier_register+0x200/0x200 [ 267.218996] ? __switch_to_asm+0x34/0x70 [ 267.223078] ? __switch_to_asm+0x34/0x70 [ 267.227137] ? __switch_to_asm+0x40/0x70 [ 267.231198] ? __switch_to_asm+0x34/0x70 [ 267.235265] ? __switch_to_asm+0x40/0x70 [ 267.239343] ? __switch_to_asm+0x40/0x70 [ 267.243409] ? __switch_to_asm+0x34/0x70 [ 267.247471] ? __switch_to_asm+0x34/0x70 [ 267.251533] ? __switch_to_asm+0x40/0x70 [ 267.255612] ? __switch_to_asm+0x34/0x70 [ 267.259677] bpf_clone_redirect+0x14a/0x490 [ 267.264011] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 267.268950] ? __sched_text_start+0x8/0x8 [ 267.273118] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 267.277701] ? retint_kernel+0x2d/0x2d [ 267.281592] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.286525] ? find_held_lock+0x36/0x1c0 [ 267.290595] ? lock_acquire+0x1ed/0x520 [ 267.294586] ? bpf_test_run+0x3cb/0x780 [ 267.298565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.304105] ? check_preemption_disabled+0x48/0x280 [ 267.309131] ? kasan_check_read+0x11/0x20 [ 267.313280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.318562] ? rcu_softirq_qs+0x20/0x20 [ 267.322552] ? preempt_schedule+0x4d/0x60 [ 267.326705] ? ___preempt_schedule+0x16/0x18 [ 267.331143] ? bpf_test_run+0x25d/0x780 [ 267.335135] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.339546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.345082] ? bpf_test_init.isra.10+0x70/0x100 [ 267.349758] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 267.354523] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 267.359388] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.364949] ? fput+0x130/0x1a0 [ 267.368253] ? __bpf_prog_get+0x9b/0x290 [ 267.372317] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 267.377161] ? bpf_prog_test_run+0x130/0x1a0 [ 267.381572] ? __x64_sys_bpf+0x3d8/0x520 [ 267.385635] ? bpf_prog_get+0x20/0x20 [ 267.389455] ? do_syscall_64+0x1b9/0x820 [ 267.393514] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.398898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.403852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.408699] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.413721] ? prepare_exit_to_usermode+0x291/0x3b0 [ 267.418743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.423601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.428994] warn_alloc_show_mem: 1 callbacks suppressed [ 267.429005] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 267.429007] Mem-Info: [ 267.429041] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 267.429041] active_file:12 inactive_file:11 isolated_file:0 [ 267.429041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.429041] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 267.429041] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 267.429041] free:13794 free_pcp:515 free_cma:0 [ 267.434396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.441236] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.443636] Call Trace: [ 267.476502] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 267.485883] dump_stack+0x244/0x39d [ 267.513342] lowmem_reserve[]: 0 2818 6321 6321 [ 267.515967] ? dump_stack_print_info.cold.1+0x20/0x20 [ 267.542065] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 267.545699] warn_alloc.cold.116+0xb7/0x1bd [ 267.550244] lowmem_reserve[]: 0 0 3503 3503 [ 267.555427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.582737] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 267.587052] ? lock_downgrade+0x900/0x900 [ 267.591366] lowmem_reserve[]: 0 0 0 0 [ 267.596207] ? trace_hardirqs_off+0xb8/0x310 [ 267.625268] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 267.629431] ? trace_hardirqs_off+0xb8/0x310 [ 267.633207] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 267.637616] __alloc_pages_slowpath+0x2651/0x2de0 [ 267.651108] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 267.655531] ? warn_alloc+0x120/0x120 [ 267.670506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.675401] ? print_usage_bug+0xc0/0xc0 [ 267.690382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 267.694174] ? warn_alloc+0x120/0x120 [ 267.702987] 267 total pagecache pages [ 267.707040] ? warn_alloc+0x120/0x120 [ 267.715688] 0 pages in swap cache [ 267.719487] ? print_usage_bug+0xc0/0xc0 [ 267.723262] Swap cache stats: add 0, delete 0, find 0/0 [ 267.727055] ? print_usage_bug+0xc0/0xc0 [ 267.730482] Free swap = 0kB [ 267.734541] ? __lock_acquire+0x62f/0x4c20 [ 267.739878] Total swap = 0kB [ 267.743936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.746929] 1965979 pages RAM [ 267.751156] ? should_fail+0x22d/0xd01 [ 267.754148] 0 pages HighMem/MovableOnly [ 267.759682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.762762] 342854 pages reserved [ 267.766674] ? __lock_acquire+0x62f/0x4c20 [ 267.770621] 0 pages cma reserved [ 267.775719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.779245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.783371] ? __lock_acquire+0x62f/0x4c20 [ 267.783387] ? should_fail+0x22d/0xd01 [ 267.786818] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.791831] ? find_held_lock+0x36/0x1c0 [ 267.798309] syz-executor0 cpuset=syz0 mems_allowed=0 [ 267.802538] ? mark_held_locks+0x130/0x130 [ 267.830268] ? mark_held_locks+0x130/0x130 [ 267.834520] ? zap_class+0x640/0x640 [ 267.838233] ? zap_class+0x640/0x640 [ 267.841953] ? print_usage_bug+0xc0/0xc0 [ 267.846013] ? do_raw_spin_unlock+0xa7/0x330 [ 267.850455] ? zap_class+0x640/0x640 [ 267.854169] ? print_usage_bug+0xc0/0xc0 [ 267.858260] ? wq_watchdog_touch+0x9c/0xfe [ 267.862502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.868043] ? check_preemption_disabled+0x48/0x280 [ 267.873072] ? __lock_is_held+0xb5/0x140 [ 267.877144] __alloc_pages_nodemask+0xad8/0xea0 [ 267.881814] ? zap_class+0x640/0x640 [ 267.885542] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 267.890569] ? find_held_lock+0x36/0x1c0 [ 267.894640] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.899344] ? lock_downgrade+0x900/0x900 [ 267.903503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.909049] cache_grow_begin+0xa5/0x8c0 [ 267.913122] ? do_raw_spin_unlock+0xa7/0x330 [ 267.917549] fallback_alloc+0x204/0x2e0 [ 267.921535] ____cache_alloc_node+0x1c7/0x1e0 [ 267.926068] kmem_cache_alloc_node+0xe3/0x730 [ 267.930584] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.934833] __alloc_skb+0x119/0x770 [ 267.938558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.943869] ? netdev_alloc_frag+0x1f0/0x1f0 [ 267.948284] ? lock_downgrade+0x900/0x900 [ 267.952450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.958513] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.963967] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.969437] ? addrconf_rs_timer+0x690/0x690 [ 267.973882] ndisc_alloc_skb+0x144/0x340 [ 267.977965] ndisc_send_rs+0x331/0x6e0 [ 267.981878] addrconf_rs_timer+0x314/0x690 [ 267.986124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.990370] call_timer_fn+0x272/0x920 [ 267.994286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.998520] ? process_timeout+0x40/0x40 [ 268.002590] ? __run_timers+0x7da/0xc70 [ 268.006564] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.011059] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.015555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.019794] ? lockdep_hardirqs_on+0x296/0x5b0 [ 268.024399] ? trace_hardirqs_on+0xbd/0x310 [ 268.028719] ? kasan_check_read+0x11/0x20 [ 268.032890] ? __run_timers+0x7da/0xc70 [ 268.036880] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.041988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.046261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.050493] __run_timers+0x7e5/0xc70 [ 268.054301] ? timer_fixup_init+0x70/0x70 [ 268.058464] ? find_held_lock+0x36/0x1c0 [ 268.062547] ? __schedule+0x168a/0x21d0 [ 268.066527] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.071072] ? pvclock_read_flags+0x160/0x160 [ 268.075599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.081167] ? check_preemption_disabled+0x48/0x280 [ 268.086198] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 268.091749] ? rcu_pm_notify+0xc0/0xc0 [ 268.095635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.101173] ? check_preemption_disabled+0x48/0x280 [ 268.106214] run_timer_softirq+0x52/0xb0 [ 268.110298] ? rcu_read_lock_sched_held+0x14f/0x180 [ 268.115325] __do_softirq+0x308/0xb7e [ 268.119134] ? retint_kernel+0x2d/0x2d [ 268.123036] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 268.128147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.133601] ? finish_task_switch+0x2f4/0x910 [ 268.138105] ? schedule+0x108/0x460 [ 268.141742] ? trace_hardirqs_off+0xb8/0x310 [ 268.146171] ? smpboot_thread_fn+0x68b/0xa00 [ 268.150578] ? trace_hardirqs_on+0x310/0x310 [ 268.154986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.160522] ? check_preemption_disabled+0x48/0x280 [ 268.165537] ? takeover_tasklets+0xa90/0xa90 [ 268.169951] run_ksoftirqd+0x5e/0x100 [ 268.173769] smpboot_thread_fn+0x68b/0xa00 [ 268.178011] ? sort_range+0x30/0x30 [ 268.181639] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.186744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.192283] ? __kthread_parkme+0xfb/0x1a0 [ 268.196518] ? sort_range+0x30/0x30 [ 268.200160] kthread+0x35a/0x440 [ 268.203529] ? kthread_stop+0x900/0x900 [ 268.207507] ret_from_fork+0x3a/0x50 [ 268.211242] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 268.211337] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.218604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.218610] Call Trace: [ 268.218616] [ 268.218634] dump_stack+0x244/0x39d [ 268.218651] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.225176] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.234474] warn_alloc.cold.116+0xb7/0x1bd [ 268.237040] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 268.239180] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.272086] ? lock_downgrade+0x900/0x900 [ 268.276266] ? trace_hardirqs_off+0xb8/0x310 [ 268.280688] ? trace_hardirqs_off+0xb8/0x310 [ 268.285109] __alloc_pages_slowpath+0x2651/0x2de0 [ 268.290016] ? warn_alloc+0x120/0x120 [ 268.293863] ? print_usage_bug+0xc0/0xc0 [ 268.297932] ? warn_alloc+0x120/0x120 [ 268.301751] ? warn_alloc+0x120/0x120 [ 268.305567] ? print_usage_bug+0xc0/0xc0 [ 268.309648] ? kvm_clock_read+0x18/0x30 [ 268.313628] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.318653] ? print_usage_bug+0xc0/0xc0 [ 268.322716] ? __lock_acquire+0x62f/0x4c20 [ 268.326972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.332510] ? should_fail+0x22d/0xd01 [ 268.336410] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.341700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.346804] ? __lock_acquire+0x62f/0x4c20 [ 268.351050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.356164] ? __lock_acquire+0x62f/0x4c20 [ 268.360401] ? should_fail+0x22d/0xd01 [ 268.364285] ? rcu_irq_exit+0x1a2/0x390 [ 268.368280] ? mark_held_locks+0x130/0x130 [ 268.372523] ? mark_held_locks+0x130/0x130 [ 268.376766] ? mark_held_locks+0xc7/0x130 [ 268.380913] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 268.385930] ? zap_class+0x640/0x640 [ 268.389643] ? print_usage_bug+0xc0/0xc0 [ 268.393710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.399246] ? check_preemption_disabled+0x48/0x280 [ 268.404270] ? __lock_is_held+0xb5/0x140 [ 268.408340] __alloc_pages_nodemask+0xad8/0xea0 [ 268.413016] ? zap_class+0x640/0x640 [ 268.416735] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 268.421762] ? find_held_lock+0x36/0x1c0 [ 268.425829] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.430511] ? lock_downgrade+0x900/0x900 [ 268.434679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.440228] cache_grow_begin+0xa5/0x8c0 [ 268.444289] ? do_raw_spin_unlock+0xa7/0x330 [ 268.448706] fallback_alloc+0x204/0x2e0 [ 268.452689] ____cache_alloc_node+0x1c7/0x1e0 [ 268.457190] kmem_cache_alloc_node+0xe3/0x730 [ 268.461703] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.465949] __alloc_skb+0x119/0x770 [ 268.469665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.474948] ? netdev_alloc_frag+0x1f0/0x1f0 [ 268.479359] ? lock_downgrade+0x900/0x900 [ 268.483519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.489054] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.494509] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.499963] ? addrconf_rs_timer+0x690/0x690 [ 268.504391] ndisc_alloc_skb+0x144/0x340 [ 268.508475] ndisc_send_rs+0x331/0x6e0 [ 268.512379] addrconf_rs_timer+0x314/0x690 [ 268.516629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.520894] call_timer_fn+0x272/0x920 [ 268.524798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.529037] ? process_timeout+0x40/0x40 [ 268.533109] ? __run_timers+0x7da/0xc70 [ 268.537090] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.541587] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.546082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.550320] ? lockdep_hardirqs_on+0x296/0x5b0 [ 268.554909] ? trace_hardirqs_on+0xbd/0x310 [ 268.559249] ? kasan_check_read+0x11/0x20 [ 268.563407] ? __run_timers+0x7da/0xc70 [ 268.567399] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.572514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.576755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.581004] __run_timers+0x7e5/0xc70 [ 268.584829] ? timer_fixup_init+0x70/0x70 [ 268.589019] ? kasan_check_read+0x11/0x20 [ 268.593168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.598469] ? rcu_softirq_qs+0x20/0x20 [ 268.602465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.608009] ? check_preemption_disabled+0x48/0x280 [ 268.613032] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.617793] ? retint_kernel+0x2d/0x2d [ 268.621685] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.626614] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.631460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.636920] ? zap_class+0x640/0x640 [ 268.640655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.646212] ? check_preemption_disabled+0x48/0x280 [ 268.651257] ? __lock_is_held+0xb5/0x140 [ 268.655354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.660904] ? check_preemption_disabled+0x48/0x280 [ 268.665927] run_timer_softirq+0x52/0xb0 [ 268.669992] ? rcu_read_lock_sched_held+0x14f/0x180 [ 268.675016] __do_softirq+0x308/0xb7e [ 268.678823] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 268.683330] ? lock_downgrade+0x900/0x900 [ 268.687494] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 268.692607] ? pvclock_read_flags+0x160/0x160 [ 268.697106] ? lapic_next_event+0x5a/0x90 [ 268.701269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.706830] ? kvm_clock_read+0x18/0x30 [ 268.710813] ? kvm_sched_clock_read+0x9/0x20 [ 268.715245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.720795] ? check_preemption_disabled+0x48/0x280 [ 268.725848] irq_exit+0x17f/0x1c0 [ 268.729306] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.734151] ? smp_call_function_single_interrupt+0x159/0x650 [ 268.740052] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.745955] ? interrupt_entry+0xb5/0xc0 [ 268.750021] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.755041] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.760084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.764928] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.769960] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.774990] ? task_prio+0x50/0x50 [ 268.778530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.784087] ? check_preemption_disabled+0x48/0x280 [ 268.789109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.793962] apic_timer_interrupt+0xf/0x20 [ 268.798194] [ 268.800434] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 268.806318] 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 [ 268.825218] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.832948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.840229] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 268.847507] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 268.854773] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 268.862047] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 268.869349] ? save_stack+0xa9/0xd0 [ 268.872995] __kmalloc_node_track_caller+0x3c/0x70 [ 268.877925] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 268.882699] pskb_expand_head+0x230/0x10f0 [ 268.886949] ? memcpy+0x45/0x50 [ 268.890259] ? __copy_skb_header+0x350/0x6b0 [ 268.894671] ? skb_release_data+0x880/0x880 [ 268.899021] ? __alloc_skb+0x770/0x770 [ 268.902935] ? __lock_is_held+0xb5/0x140 [ 268.907004] ? kasan_check_write+0x14/0x20 [ 268.911268] ? __skb_clone+0x6c7/0xa00 [ 268.915160] ? __copy_skb_header+0x6b0/0x6b0 [ 268.919583] ? kmem_cache_alloc+0x33a/0x730 [ 268.923925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.929472] skb_ensure_writable+0x3dd/0x640 [ 268.933903] ? skb_checksum_setup+0xaa0/0xaa0 [ 268.938429] ? preempt_notifier_register+0x200/0x200 [ 268.943543] ? __switch_to_asm+0x34/0x70 [ 268.947602] ? __switch_to_asm+0x34/0x70 [ 268.951657] ? __switch_to_asm+0x40/0x70 [ 268.955748] ? __switch_to_asm+0x34/0x70 [ 268.959809] ? __switch_to_asm+0x40/0x70 [ 268.963876] ? __switch_to_asm+0x40/0x70 [ 268.967939] ? __switch_to_asm+0x34/0x70 [ 268.971998] ? __switch_to_asm+0x34/0x70 [ 268.976060] ? __switch_to_asm+0x40/0x70 [ 268.980122] ? __switch_to_asm+0x34/0x70 [ 268.984188] bpf_clone_redirect+0x14a/0x490 [ 268.988538] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 268.993474] ? __sched_text_start+0x8/0x8 [ 268.997627] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 269.002207] ? retint_kernel+0x2d/0x2d [ 269.006098] ? trace_hardirqs_on_caller+0xc0/0x310 [ 269.011034] ? find_held_lock+0x36/0x1c0 [ 269.015105] ? lock_acquire+0x1ed/0x520 [ 269.019080] ? bpf_test_run+0x3cb/0x780 [ 269.023062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.028601] ? check_preemption_disabled+0x48/0x280 [ 269.033634] ? kasan_check_read+0x11/0x20 [ 269.037800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.043080] ? rcu_softirq_qs+0x20/0x20 [ 269.047056] ? preempt_schedule+0x4d/0x60 [ 269.051207] ? ___preempt_schedule+0x16/0x18 [ 269.055624] ? bpf_test_run+0x25d/0x780 [ 269.059611] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.064023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.069590] ? bpf_test_init.isra.10+0x70/0x100 [ 269.074291] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 269.079060] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 269.083902] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.089954] ? fput+0x130/0x1a0 [ 269.093240] ? __bpf_prog_get+0x9b/0x290 [ 269.097305] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 269.102152] ? bpf_prog_test_run+0x130/0x1a0 [ 269.106565] ? __x64_sys_bpf+0x3d8/0x520 [ 269.110625] ? bpf_prog_get+0x20/0x20 [ 269.114448] ? do_syscall_64+0x1b9/0x820 [ 269.118514] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.123895] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.128825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.133681] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.138705] ? prepare_exit_to_usermode+0x291/0x3b0 [ 269.143729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.148579] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.153957] warn_alloc_show_mem: 1 callbacks suppressed [ 269.153969] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 269.153970] Mem-Info: [ 269.154000] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 269.154000] active_file:12 inactive_file:11 isolated_file:0 [ 269.154000] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.154000] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 269.154000] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 269.154000] free:13794 free_pcp:515 free_cma:0 [ 269.159335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.166201] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.168619] Call Trace: [ 269.201478] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 269.210826] dump_stack+0x244/0x39d [ 269.238327] lowmem_reserve[]: 0 2818 6321 6321 [ 269.240923] ? dump_stack_print_info.cold.1+0x20/0x20 [ 269.267021] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 269.270653] warn_alloc.cold.116+0xb7/0x1bd [ 269.275298] lowmem_reserve[]: 0 0 3503 3503 [ 269.280482] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.307781] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 269.312101] ? lock_downgrade+0x900/0x900 [ 269.316393] lowmem_reserve[]: 0 0 0 0 [ 269.321234] ? trace_hardirqs_off+0xb8/0x310 [ 269.350267] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 269.354410] ? trace_hardirqs_off+0xb8/0x310 [ 269.358201] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 269.362622] __alloc_pages_slowpath+0x2651/0x2de0 [ 269.376148] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 269.380569] ? warn_alloc+0x120/0x120 [ 269.395525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.400353] ? print_usage_bug+0xc0/0xc0 [ 269.415334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.419135] ? warn_alloc+0x120/0x120 [ 269.427951] 267 total pagecache pages [ 269.432002] ? warn_alloc+0x120/0x120 [ 269.440555] 0 pages in swap cache [ 269.444347] ? print_usage_bug+0xc0/0xc0 [ 269.448141] Swap cache stats: add 0, delete 0, find 0/0 [ 269.451946] ? print_usage_bug+0xc0/0xc0 [ 269.455377] Free swap = 0kB [ 269.459429] ? __lock_acquire+0x62f/0x4c20 [ 269.464762] Total swap = 0kB [ 269.464770] 1965979 pages RAM [ 269.468857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.471885] 0 pages HighMem/MovableOnly [ 269.476114] ? should_fail+0x22d/0xd01 [ 269.479106] 342854 pages reserved [ 269.482204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.487713] 0 pages cma reserved [ 269.491677] ? __lock_acquire+0x62f/0x4c20 [ 269.495603] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.498985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.498998] ? __lock_acquire+0x62f/0x4c20 [ 269.499014] ? should_fail+0x22d/0xd01 [ 269.504165] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.507470] ? find_held_lock+0x36/0x1c0 [ 269.511679] syz-executor0 cpuset=syz0 mems_allowed=0 [ 269.518168] ? mark_held_locks+0x130/0x130 [ 269.555174] ? mark_held_locks+0x130/0x130 [ 269.559404] ? zap_class+0x640/0x640 [ 269.563114] ? zap_class+0x640/0x640 [ 269.566833] ? print_usage_bug+0xc0/0xc0 [ 269.570912] ? do_raw_spin_unlock+0xa7/0x330 [ 269.575320] ? zap_class+0x640/0x640 [ 269.579032] ? print_usage_bug+0xc0/0xc0 [ 269.583093] ? wq_watchdog_touch+0x9c/0xfe [ 269.587332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.592897] ? check_preemption_disabled+0x48/0x280 [ 269.597923] ? __lock_is_held+0xb5/0x140 [ 269.601991] __alloc_pages_nodemask+0xad8/0xea0 [ 269.606663] ? zap_class+0x640/0x640 [ 269.610377] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 269.615403] ? find_held_lock+0x36/0x1c0 [ 269.619476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.624144] ? lock_downgrade+0x900/0x900 [ 269.628297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.633837] cache_grow_begin+0xa5/0x8c0 [ 269.637911] ? do_raw_spin_unlock+0xa7/0x330 [ 269.642370] fallback_alloc+0x204/0x2e0 [ 269.646402] ____cache_alloc_node+0x1c7/0x1e0 [ 269.650911] kmem_cache_alloc_node+0xe3/0x730 [ 269.655425] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.659673] __alloc_skb+0x119/0x770 [ 269.663385] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.668667] ? netdev_alloc_frag+0x1f0/0x1f0 [ 269.673074] ? lock_downgrade+0x900/0x900 [ 269.677231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.682784] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.688236] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.693687] ? addrconf_rs_timer+0x690/0x690 [ 269.698106] ndisc_alloc_skb+0x144/0x340 [ 269.702190] ndisc_send_rs+0x331/0x6e0 [ 269.706086] addrconf_rs_timer+0x314/0x690 [ 269.710325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.714573] call_timer_fn+0x272/0x920 [ 269.718458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.722690] ? process_timeout+0x40/0x40 [ 269.726756] ? __run_timers+0x7da/0xc70 [ 269.730737] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.735230] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.739727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.743993] ? lockdep_hardirqs_on+0x296/0x5b0 [ 269.748593] ? trace_hardirqs_on+0xbd/0x310 [ 269.752914] ? kasan_check_read+0x11/0x20 [ 269.757058] ? __run_timers+0x7da/0xc70 [ 269.761029] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.766138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.770393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.774623] __run_timers+0x7e5/0xc70 [ 269.778449] ? timer_fixup_init+0x70/0x70 [ 269.782609] ? find_held_lock+0x36/0x1c0 [ 269.786676] ? __schedule+0x168a/0x21d0 [ 269.790656] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.795160] ? pvclock_read_flags+0x160/0x160 [ 269.799676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.805212] ? check_preemption_disabled+0x48/0x280 [ 269.810238] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 269.815779] ? rcu_pm_notify+0xc0/0xc0 [ 269.819664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.825203] ? check_preemption_disabled+0x48/0x280 [ 269.830237] run_timer_softirq+0x52/0xb0 [ 269.834296] ? rcu_read_lock_sched_held+0x14f/0x180 [ 269.839323] __do_softirq+0x308/0xb7e [ 269.843127] ? retint_kernel+0x2d/0x2d [ 269.847046] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 269.852163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.857625] ? finish_task_switch+0x2f4/0x910 [ 269.862129] ? schedule+0x108/0x460 [ 269.865778] ? trace_hardirqs_off+0xb8/0x310 [ 269.870183] ? smpboot_thread_fn+0x68b/0xa00 [ 269.874615] ? trace_hardirqs_on+0x310/0x310 [ 269.879033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.884567] ? check_preemption_disabled+0x48/0x280 [ 269.889586] ? takeover_tasklets+0xa90/0xa90 [ 269.893993] run_ksoftirqd+0x5e/0x100 [ 269.897807] smpboot_thread_fn+0x68b/0xa00 [ 269.902058] ? sort_range+0x30/0x30 [ 269.905697] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.910802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.916343] ? __kthread_parkme+0xfb/0x1a0 [ 269.920598] ? sort_range+0x30/0x30 [ 269.924225] kthread+0x35a/0x440 [ 269.927606] ? kthread_stop+0x900/0x900 [ 269.931593] ret_from_fork+0x3a/0x50 [ 269.935340] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 269.935413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.942705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.942710] Call Trace: [ 269.942717] [ 269.942734] dump_stack+0x244/0x39d [ 269.942751] ? dump_stack_print_info.cold.1+0x20/0x20 [ 269.949306] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.958715] warn_alloc.cold.116+0xb7/0x1bd [ 269.961283] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 269.963428] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.996341] ? lock_downgrade+0x900/0x900 [ 270.000504] ? trace_hardirqs_off+0xb8/0x310 [ 270.004923] ? trace_hardirqs_off+0xb8/0x310 [ 270.009344] __alloc_pages_slowpath+0x2651/0x2de0 [ 270.014274] ? warn_alloc+0x120/0x120 [ 270.018081] ? print_usage_bug+0xc0/0xc0 [ 270.022158] ? warn_alloc+0x120/0x120 [ 270.026087] ? warn_alloc+0x120/0x120 [ 270.029890] ? print_usage_bug+0xc0/0xc0 [ 270.033958] ? print_usage_bug+0xc0/0xc0 [ 270.038044] ? __lock_acquire+0x62f/0x4c20 [ 270.042299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.047849] ? should_fail+0x22d/0xd01 [ 270.051756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.056867] ? __lock_acquire+0x62f/0x4c20 [ 270.061124] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.066225] ? __lock_acquire+0x62f/0x4c20 [ 270.070478] ? should_fail+0x22d/0xd01 [ 270.074374] ? find_held_lock+0x36/0x1c0 [ 270.078446] ? mark_held_locks+0x130/0x130 [ 270.082688] ? mark_held_locks+0x130/0x130 [ 270.086922] ? zap_class+0x640/0x640 [ 270.090636] ? zap_class+0x640/0x640 [ 270.094355] ? print_usage_bug+0xc0/0xc0 [ 270.098421] ? do_raw_spin_unlock+0xa7/0x330 [ 270.102830] ? zap_class+0x640/0x640 [ 270.106556] ? print_usage_bug+0xc0/0xc0 [ 270.110620] ? wq_watchdog_touch+0x9c/0xfe [ 270.114867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.120405] ? check_preemption_disabled+0x48/0x280 [ 270.125443] ? __lock_is_held+0xb5/0x140 [ 270.129524] __alloc_pages_nodemask+0xad8/0xea0 [ 270.134211] ? zap_class+0x640/0x640 [ 270.137955] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 270.142988] ? find_held_lock+0x36/0x1c0 [ 270.147062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.151755] ? lock_downgrade+0x900/0x900 [ 270.155926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.161475] cache_grow_begin+0xa5/0x8c0 [ 270.165538] ? do_raw_spin_unlock+0xa7/0x330 [ 270.169955] fallback_alloc+0x204/0x2e0 [ 270.173967] ____cache_alloc_node+0x1c7/0x1e0 [ 270.178472] kmem_cache_alloc_node+0xe3/0x730 [ 270.182969] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.187231] __alloc_skb+0x119/0x770 [ 270.190942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.196251] ? netdev_alloc_frag+0x1f0/0x1f0 [ 270.200657] ? lock_downgrade+0x900/0x900 [ 270.204813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.210429] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.215902] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.221356] ? addrconf_rs_timer+0x690/0x690 [ 270.225784] ndisc_alloc_skb+0x144/0x340 [ 270.229861] ndisc_send_rs+0x331/0x6e0 [ 270.233763] addrconf_rs_timer+0x314/0x690 [ 270.238022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.242311] call_timer_fn+0x272/0x920 [ 270.246248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.250485] ? process_timeout+0x40/0x40 [ 270.254552] ? __run_timers+0x7da/0xc70 [ 270.258528] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.263023] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.267517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.271752] ? lockdep_hardirqs_on+0x296/0x5b0 [ 270.276356] ? trace_hardirqs_on+0xbd/0x310 [ 270.280686] ? kasan_check_read+0x11/0x20 [ 270.284832] ? __run_timers+0x7da/0xc70 [ 270.288817] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.293943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.298194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.302472] __run_timers+0x7e5/0xc70 [ 270.306285] ? timer_fixup_init+0x70/0x70 [ 270.310437] ? kasan_check_read+0x11/0x20 [ 270.314601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.319880] ? rcu_softirq_qs+0x20/0x20 [ 270.323864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.329419] ? check_preemption_disabled+0x48/0x280 [ 270.334442] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.339207] ? retint_kernel+0x2d/0x2d [ 270.343099] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.348032] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.352803] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.358256] ? zap_class+0x640/0x640 [ 270.361980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.367517] ? check_preemption_disabled+0x48/0x280 [ 270.372561] ? __lock_is_held+0xb5/0x140 [ 270.376624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.382178] ? check_preemption_disabled+0x48/0x280 [ 270.387212] run_timer_softirq+0x52/0xb0 [ 270.391292] ? rcu_read_lock_sched_held+0x14f/0x180 [ 270.396346] __do_softirq+0x308/0xb7e [ 270.400178] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 270.404674] ? lock_downgrade+0x900/0x900 [ 270.408826] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 270.413943] ? pvclock_read_flags+0x160/0x160 [ 270.418446] ? lapic_next_event+0x5a/0x90 [ 270.422594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.428135] ? kvm_clock_read+0x18/0x30 [ 270.432114] ? kvm_sched_clock_read+0x9/0x20 [ 270.436529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.442096] ? check_preemption_disabled+0x48/0x280 [ 270.447121] irq_exit+0x17f/0x1c0 [ 270.450575] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.455433] ? smp_call_function_single_interrupt+0x159/0x650 [ 270.461349] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.467235] ? interrupt_entry+0xb5/0xc0 [ 270.471299] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.476331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.481374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.486217] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.491233] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.496248] ? task_prio+0x50/0x50 [ 270.499792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.505347] ? check_preemption_disabled+0x48/0x280 [ 270.510377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.515231] apic_timer_interrupt+0xf/0x20 [ 270.519462] [ 270.521711] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 270.527599] 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 [ 270.546499] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.554216] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.561501] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 270.568766] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 270.576034] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 270.583299] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 270.590591] ? save_stack+0xa9/0xd0 [ 270.594241] __kmalloc_node_track_caller+0x3c/0x70 [ 270.599179] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 270.603948] pskb_expand_head+0x230/0x10f0 [ 270.608190] ? memcpy+0x45/0x50 [ 270.611471] ? __copy_skb_header+0x350/0x6b0 [ 270.615881] ? skb_release_data+0x880/0x880 [ 270.620217] ? __alloc_skb+0x770/0x770 [ 270.624128] ? __lock_is_held+0xb5/0x140 [ 270.628199] ? kasan_check_write+0x14/0x20 [ 270.632464] ? __skb_clone+0x6c7/0xa00 [ 270.636356] ? __copy_skb_header+0x6b0/0x6b0 [ 270.640769] ? kmem_cache_alloc+0x33a/0x730 [ 270.645111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.650671] skb_ensure_writable+0x3dd/0x640 [ 270.655094] ? skb_checksum_setup+0xaa0/0xaa0 [ 270.659610] ? preempt_notifier_register+0x200/0x200 [ 270.664713] ? __switch_to_asm+0x34/0x70 [ 270.668787] ? __switch_to_asm+0x34/0x70 [ 270.672854] ? __switch_to_asm+0x40/0x70 [ 270.676912] ? __switch_to_asm+0x34/0x70 [ 270.680972] ? __switch_to_asm+0x40/0x70 [ 270.685031] ? __switch_to_asm+0x40/0x70 [ 270.689091] ? __switch_to_asm+0x34/0x70 [ 270.693153] ? __switch_to_asm+0x34/0x70 [ 270.697213] ? __switch_to_asm+0x40/0x70 [ 270.701271] ? __switch_to_asm+0x34/0x70 [ 270.705336] bpf_clone_redirect+0x14a/0x490 [ 270.709687] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 270.714625] ? __sched_text_start+0x8/0x8 [ 270.718781] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 270.723386] ? retint_kernel+0x2d/0x2d [ 270.727276] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.732208] ? find_held_lock+0x36/0x1c0 [ 270.736282] ? lock_acquire+0x1ed/0x520 [ 270.740256] ? bpf_test_run+0x3cb/0x780 [ 270.744233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.749777] ? check_preemption_disabled+0x48/0x280 [ 270.754805] ? kasan_check_read+0x11/0x20 [ 270.758965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.764261] ? rcu_softirq_qs+0x20/0x20 [ 270.768238] ? preempt_schedule+0x4d/0x60 [ 270.772392] ? ___preempt_schedule+0x16/0x18 [ 270.776812] ? bpf_test_run+0x25d/0x780 [ 270.780818] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.785240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.790803] ? bpf_test_init.isra.10+0x70/0x100 [ 270.795493] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 270.800260] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.805106] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.810646] ? fput+0x130/0x1a0 [ 270.813931] ? __bpf_prog_get+0x9b/0x290 [ 270.818001] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.822852] ? bpf_prog_test_run+0x130/0x1a0 [ 270.827282] ? __x64_sys_bpf+0x3d8/0x520 [ 270.831340] ? bpf_prog_get+0x20/0x20 [ 270.835164] ? do_syscall_64+0x1b9/0x820 [ 270.839230] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.844594] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.849523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.854370] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.859412] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.864441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.869294] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.874671] warn_alloc_show_mem: 1 callbacks suppressed [ 270.874683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 270.874685] Mem-Info: [ 270.874717] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 270.874717] active_file:12 inactive_file:11 isolated_file:0 [ 270.874717] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.874717] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 270.874717] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 270.874717] free:13794 free_pcp:515 free_cma:0 [ 270.880053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.886905] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.889320] Call Trace: [ 270.922184] 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 [ 270.931551] dump_stack+0x244/0x39d [ 270.959034] lowmem_reserve[]: 0 2818 6321 6321 [ 270.961613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.987697] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 270.991349] warn_alloc.cold.116+0xb7/0x1bd [ 270.995899] lowmem_reserve[]: 0 0 3503 3503 [ 271.001087] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.028390] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 271.032709] ? lock_downgrade+0x900/0x900 [ 271.037004] lowmem_reserve[]: 0 0 0 0 [ 271.041854] ? trace_hardirqs_off+0xb8/0x310 [ 271.070883] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 271.075029] ? trace_hardirqs_off+0xb8/0x310 [ 271.078818] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 271.083235] __alloc_pages_slowpath+0x2651/0x2de0 [ 271.097225] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 271.101668] ? warn_alloc+0x120/0x120 [ 271.116624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.121457] ? print_usage_bug+0xc0/0xc0 [ 271.136434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.140219] ? warn_alloc+0x120/0x120 [ 271.149035] 267 total pagecache pages [ 271.153087] ? warn_alloc+0x120/0x120 [ 271.161641] 0 pages in swap cache [ 271.165431] ? print_usage_bug+0xc0/0xc0 [ 271.169219] Swap cache stats: add 0, delete 0, find 0/0 [ 271.173007] ? print_usage_bug+0xc0/0xc0 [ 271.176435] Free swap = 0kB [ 271.180490] ? __lock_acquire+0x62f/0x4c20 [ 271.185870] Total swap = 0kB [ 271.185878] 1965979 pages RAM [ 271.189945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.192943] 0 pages HighMem/MovableOnly [ 271.197204] ? should_fail+0x22d/0xd01 [ 271.200217] 342854 pages reserved [ 271.203318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.208831] 0 pages cma reserved [ 271.212804] ? __lock_acquire+0x62f/0x4c20 [ 271.216744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.220127] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.225324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.228596] ? __lock_acquire+0x62f/0x4c20 [ 271.232807] syz-executor0 cpuset=syz0 mems_allowed=0 [ 271.239320] ? should_fail+0x22d/0xd01 [ 271.268069] ? find_held_lock+0x36/0x1c0 [ 271.272152] ? mark_held_locks+0x130/0x130 [ 271.276391] ? mark_held_locks+0x130/0x130 [ 271.280625] ? zap_class+0x640/0x640 [ 271.284343] ? mark_held_locks+0xc7/0x130 [ 271.288493] ? do_raw_spin_unlock+0xa7/0x330 [ 271.292902] ? zap_class+0x640/0x640 [ 271.296629] ? print_usage_bug+0xc0/0xc0 [ 271.300696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.306283] ? check_preemption_disabled+0x48/0x280 [ 271.311310] ? __lock_is_held+0xb5/0x140 [ 271.315377] __alloc_pages_nodemask+0xad8/0xea0 [ 271.320049] ? zap_class+0x640/0x640 [ 271.323768] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 271.328796] ? find_held_lock+0x36/0x1c0 [ 271.332893] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.337565] ? lock_downgrade+0x900/0x900 [ 271.341722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.347302] cache_grow_begin+0xa5/0x8c0 [ 271.351400] ? do_raw_spin_unlock+0xa7/0x330 [ 271.355832] fallback_alloc+0x204/0x2e0 [ 271.359825] ____cache_alloc_node+0x1c7/0x1e0 [ 271.364342] kmem_cache_alloc_node+0xe3/0x730 [ 271.368847] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.373094] __alloc_skb+0x119/0x770 [ 271.376805] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.382092] ? netdev_alloc_frag+0x1f0/0x1f0 [ 271.386498] ? lock_downgrade+0x900/0x900 [ 271.390654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.396205] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.401660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.407110] ? addrconf_rs_timer+0x690/0x690 [ 271.411530] ndisc_alloc_skb+0x144/0x340 [ 271.415609] ndisc_send_rs+0x331/0x6e0 [ 271.419519] addrconf_rs_timer+0x314/0x690 [ 271.423764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.428012] call_timer_fn+0x272/0x920 [ 271.431907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.436144] ? process_timeout+0x40/0x40 [ 271.440212] ? __run_timers+0x7da/0xc70 [ 271.444191] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.448687] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.453185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.457421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 271.462008] ? trace_hardirqs_on+0xbd/0x310 [ 271.466328] ? kasan_check_read+0x11/0x20 [ 271.470476] ? __run_timers+0x7da/0xc70 [ 271.474453] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.479562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.483805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.488041] __run_timers+0x7e5/0xc70 [ 271.491888] ? timer_fixup_init+0x70/0x70 [ 271.496059] ? find_held_lock+0x36/0x1c0 [ 271.500133] ? __schedule+0x168a/0x21d0 [ 271.504108] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.508611] ? pvclock_read_flags+0x160/0x160 [ 271.513109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.518650] ? check_preemption_disabled+0x48/0x280 [ 271.523677] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 271.529218] ? rcu_pm_notify+0xc0/0xc0 [ 271.533106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.538643] ? check_preemption_disabled+0x48/0x280 [ 271.543669] run_timer_softirq+0x52/0xb0 [ 271.547730] ? rcu_read_lock_sched_held+0x14f/0x180 [ 271.552748] __do_softirq+0x308/0xb7e [ 271.556566] ? retint_kernel+0x2d/0x2d [ 271.560458] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 271.565559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.571024] ? finish_task_switch+0x2f4/0x910 [ 271.575529] ? schedule+0x108/0x460 [ 271.579181] ? trace_hardirqs_off+0xb8/0x310 [ 271.583586] ? smpboot_thread_fn+0x68b/0xa00 [ 271.587993] ? trace_hardirqs_on+0x310/0x310 [ 271.592418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.597957] ? check_preemption_disabled+0x48/0x280 [ 271.602977] ? takeover_tasklets+0xa90/0xa90 [ 271.607390] run_ksoftirqd+0x5e/0x100 [ 271.611192] smpboot_thread_fn+0x68b/0xa00 [ 271.615429] ? sort_range+0x30/0x30 [ 271.619056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.624158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.629708] ? __kthread_parkme+0xfb/0x1a0 [ 271.633948] ? sort_range+0x30/0x30 [ 271.637575] kthread+0x35a/0x440 [ 271.640959] ? kthread_stop+0x900/0x900 [ 271.644934] ret_from_fork+0x3a/0x50 [ 271.648677] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 271.648749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.656043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.656049] Call Trace: [ 271.656055] [ 271.656073] dump_stack+0x244/0x39d [ 271.656092] ? dump_stack_print_info.cold.1+0x20/0x20 [ 271.662624] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.671937] warn_alloc.cold.116+0xb7/0x1bd [ 271.674501] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 271.676648] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.709520] ? lock_downgrade+0x900/0x900 [ 271.713704] ? trace_hardirqs_off+0xb8/0x310 [ 271.718146] ? trace_hardirqs_off+0xb8/0x310 [ 271.722564] __alloc_pages_slowpath+0x2651/0x2de0 [ 271.727434] ? warn_alloc+0x120/0x120 [ 271.731239] ? print_usage_bug+0xc0/0xc0 [ 271.735308] ? warn_alloc+0x120/0x120 [ 271.739117] ? warn_alloc+0x120/0x120 [ 271.742934] ? print_usage_bug+0xc0/0xc0 [ 271.747001] ? print_usage_bug+0xc0/0xc0 [ 271.751066] ? __lock_acquire+0x62f/0x4c20 [ 271.755311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.760857] ? should_fail+0x22d/0xd01 [ 271.764749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.769858] ? __lock_acquire+0x62f/0x4c20 [ 271.774102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.779219] ? __lock_acquire+0x62f/0x4c20 [ 271.783454] ? should_fail+0x22d/0xd01 [ 271.787353] ? find_held_lock+0x36/0x1c0 [ 271.791431] ? mark_held_locks+0x130/0x130 [ 271.795671] ? mark_held_locks+0x130/0x130 [ 271.799905] ? zap_class+0x640/0x640 [ 271.803620] ? zap_class+0x640/0x640 [ 271.807355] ? print_usage_bug+0xc0/0xc0 [ 271.811452] ? do_raw_spin_unlock+0xa7/0x330 [ 271.815875] ? zap_class+0x640/0x640 [ 271.819606] ? print_usage_bug+0xc0/0xc0 [ 271.823720] ? wq_watchdog_touch+0x9c/0xfe [ 271.828003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.833558] ? check_preemption_disabled+0x48/0x280 [ 271.838602] ? __lock_is_held+0xb5/0x140 [ 271.842667] __alloc_pages_nodemask+0xad8/0xea0 [ 271.847336] ? zap_class+0x640/0x640 [ 271.851057] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 271.856084] ? find_held_lock+0x36/0x1c0 [ 271.860153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.864823] ? lock_downgrade+0x900/0x900 [ 271.868999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.874543] cache_grow_begin+0xa5/0x8c0 [ 271.878616] ? do_raw_spin_unlock+0xa7/0x330 [ 271.883037] fallback_alloc+0x204/0x2e0 [ 271.887020] ____cache_alloc_node+0x1c7/0x1e0 [ 271.891519] kmem_cache_alloc_node+0xe3/0x730 [ 271.896014] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.900262] __alloc_skb+0x119/0x770 [ 271.903980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.909279] ? netdev_alloc_frag+0x1f0/0x1f0 [ 271.913691] ? lock_downgrade+0x900/0x900 [ 271.917867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.923436] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.928893] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.934348] ? addrconf_rs_timer+0x690/0x690 [ 271.938780] ndisc_alloc_skb+0x144/0x340 [ 271.942856] ndisc_send_rs+0x331/0x6e0 [ 271.946751] addrconf_rs_timer+0x314/0x690 [ 271.950993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.955252] call_timer_fn+0x272/0x920 [ 271.959301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.963567] ? process_timeout+0x40/0x40 [ 271.967634] ? __run_timers+0x7da/0xc70 [ 271.971610] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.976100] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.980593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.984826] ? lockdep_hardirqs_on+0x296/0x5b0 [ 271.989417] ? trace_hardirqs_on+0xbd/0x310 [ 271.993740] ? kasan_check_read+0x11/0x20 [ 271.997885] ? __run_timers+0x7da/0xc70 [ 272.001868] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.006978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.011235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.015466] __run_timers+0x7e5/0xc70 [ 272.019276] ? timer_fixup_init+0x70/0x70 [ 272.023437] ? kasan_check_read+0x11/0x20 [ 272.027584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.032981] ? rcu_softirq_qs+0x20/0x20 [ 272.036973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.042523] ? check_preemption_disabled+0x48/0x280 [ 272.047546] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.052308] ? retint_kernel+0x2d/0x2d [ 272.056195] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.061125] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.065892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.071346] ? zap_class+0x640/0x640 [ 272.075070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.080609] ? check_preemption_disabled+0x48/0x280 [ 272.085642] ? __lock_is_held+0xb5/0x140 [ 272.089706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.095246] ? check_preemption_disabled+0x48/0x280 [ 272.100270] run_timer_softirq+0x52/0xb0 [ 272.104336] ? rcu_read_lock_sched_held+0x14f/0x180 [ 272.109384] __do_softirq+0x308/0xb7e [ 272.113191] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 272.117696] ? lock_downgrade+0x900/0x900 [ 272.121853] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 272.126999] ? pvclock_read_flags+0x160/0x160 [ 272.131498] ? lapic_next_event+0x5a/0x90 [ 272.135650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.141198] ? kvm_clock_read+0x18/0x30 [ 272.145171] ? kvm_sched_clock_read+0x9/0x20 [ 272.149585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.155164] ? check_preemption_disabled+0x48/0x280 [ 272.160187] irq_exit+0x17f/0x1c0 [ 272.163679] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.168535] ? smp_call_function_single_interrupt+0x159/0x650 [ 272.174438] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.180444] ? interrupt_entry+0xb5/0xc0 [ 272.184503] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.189516] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.194530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.199422] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.204440] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.209472] ? task_prio+0x50/0x50 [ 272.213016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.218555] ? check_preemption_disabled+0x48/0x280 [ 272.223576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.228427] apic_timer_interrupt+0xf/0x20 [ 272.232653] [ 272.234910] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 272.240798] 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 [ 272.259692] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 272.267400] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 272.274665] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 272.281955] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 272.289234] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 272.296499] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 272.303794] ? save_stack+0xa9/0xd0 [ 272.307434] __kmalloc_node_track_caller+0x3c/0x70 [ 272.312375] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 272.317137] pskb_expand_head+0x230/0x10f0 [ 272.321381] ? memcpy+0x45/0x50 [ 272.324665] ? __copy_skb_header+0x350/0x6b0 [ 272.329075] ? skb_release_data+0x880/0x880 [ 272.333420] ? __alloc_skb+0x770/0x770 [ 272.337367] ? __lock_is_held+0xb5/0x140 [ 272.341438] ? kasan_check_write+0x14/0x20 [ 272.345675] ? __skb_clone+0x6c7/0xa00 [ 272.349562] ? __copy_skb_header+0x6b0/0x6b0 [ 272.353969] ? kmem_cache_alloc+0x33a/0x730 [ 272.358294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.363861] skb_ensure_writable+0x3dd/0x640 [ 272.368279] ? skb_checksum_setup+0xaa0/0xaa0 [ 272.372795] ? preempt_notifier_register+0x200/0x200 [ 272.377899] ? __switch_to_asm+0x34/0x70 [ 272.381960] ? __switch_to_asm+0x34/0x70 [ 272.386026] ? __switch_to_asm+0x40/0x70 [ 272.390086] ? __switch_to_asm+0x34/0x70 [ 272.394146] ? __switch_to_asm+0x40/0x70 [ 272.398208] ? __switch_to_asm+0x40/0x70 [ 272.402294] ? __switch_to_asm+0x34/0x70 [ 272.406358] ? __switch_to_asm+0x34/0x70 [ 272.410425] ? __switch_to_asm+0x40/0x70 [ 272.414485] ? __switch_to_asm+0x34/0x70 [ 272.418552] bpf_clone_redirect+0x14a/0x490 [ 272.422918] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 272.427874] ? __sched_text_start+0x8/0x8 [ 272.432031] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.436612] ? retint_kernel+0x2d/0x2d [ 272.440506] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.445442] ? find_held_lock+0x36/0x1c0 [ 272.449511] ? lock_acquire+0x1ed/0x520 [ 272.453495] ? bpf_test_run+0x3cb/0x780 [ 272.457473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.463032] ? check_preemption_disabled+0x48/0x280 [ 272.468062] ? kasan_check_read+0x11/0x20 [ 272.472209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.477486] ? rcu_softirq_qs+0x20/0x20 [ 272.481469] ? preempt_schedule+0x4d/0x60 [ 272.485621] ? ___preempt_schedule+0x16/0x18 [ 272.490041] ? bpf_test_run+0x25d/0x780 [ 272.494033] ? netlink_diag_dump+0x2a0/0x2a0 [ 272.498443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.503976] ? bpf_test_init.isra.10+0x70/0x100 [ 272.508651] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 272.513416] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 272.518263] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.523800] ? fput+0x130/0x1a0 [ 272.527106] ? __bpf_prog_get+0x9b/0x290 [ 272.531176] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 272.536025] ? bpf_prog_test_run+0x130/0x1a0 [ 272.540439] ? __x64_sys_bpf+0x3d8/0x520 [ 272.544496] ? bpf_prog_get+0x20/0x20 [ 272.548317] ? do_syscall_64+0x1b9/0x820 [ 272.552383] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 272.557752] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.562679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.567525] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.572547] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.577570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.582438] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.587833] warn_alloc_show_mem: 1 callbacks suppressed [ 272.587853] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 272.587855] Mem-Info: [ 272.587885] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 272.587885] active_file:12 inactive_file:11 isolated_file:0 [ 272.587885] unevictable:0 dirty:0 writeback:0 unstable:0 [ 272.587885] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 272.587885] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 272.587885] free:13794 free_pcp:515 free_cma:0 [ 272.593233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.600078] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.602476] Call Trace: [ 272.635348] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 272.644704] dump_stack+0x244/0x39d [ 272.672169] lowmem_reserve[]: 0 2818 6321 6321 [ 272.674755] ? dump_stack_print_info.cold.1+0x20/0x20 [ 272.700837] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 272.704478] warn_alloc.cold.116+0xb7/0x1bd [ 272.709026] lowmem_reserve[]: 0 0 3503 3503 [ 272.714209] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.741512] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 272.745835] ? lock_downgrade+0x900/0x900 [ 272.750146] lowmem_reserve[]: 0 0 0 0 [ 272.754990] ? trace_hardirqs_off+0xb8/0x310 [ 272.784039] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 272.788187] ? trace_hardirqs_off+0xb8/0x310 [ 272.791965] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 272.796369] __alloc_pages_slowpath+0x2651/0x2de0 [ 272.809882] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 272.814326] ? warn_alloc+0x120/0x120 [ 272.829297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.834131] ? print_usage_bug+0xc0/0xc0 [ 272.849112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.852913] ? warn_alloc+0x120/0x120 [ 272.861722] 267 total pagecache pages [ 272.865771] ? warn_alloc+0x120/0x120 [ 272.874345] 0 pages in swap cache [ 272.878139] ? print_usage_bug+0xc0/0xc0 [ 272.881918] Swap cache stats: add 0, delete 0, find 0/0 [ 272.885707] ? print_usage_bug+0xc0/0xc0 [ 272.889135] Free swap = 0kB [ 272.893190] ? __lock_acquire+0x62f/0x4c20 [ 272.898531] Total swap = 0kB [ 272.902591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.905584] 1965979 pages RAM [ 272.909809] ? should_fail+0x22d/0xd01 [ 272.912804] 0 pages HighMem/MovableOnly [ 272.918365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.921454] 342854 pages reserved [ 272.925338] ? __lock_acquire+0x62f/0x4c20 [ 272.929285] 0 pages cma reserved [ 272.934386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.937902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.942034] ? __lock_acquire+0x62f/0x4c20 [ 272.942050] ? should_fail+0x22d/0xd01 [ 272.945458] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.950496] ? find_held_lock+0x36/0x1c0 [ 272.956968] syz-executor0 cpuset=syz0 mems_allowed=0 [ 272.961199] ? mark_held_locks+0x130/0x130 [ 272.988948] ? mark_held_locks+0x130/0x130 [ 272.993188] ? zap_class+0x640/0x640 [ 272.996906] ? zap_class+0x640/0x640 [ 273.000624] ? print_usage_bug+0xc0/0xc0 [ 273.004697] ? do_raw_spin_unlock+0xa7/0x330 [ 273.009106] ? zap_class+0x640/0x640 [ 273.012835] ? print_usage_bug+0xc0/0xc0 [ 273.016931] ? wq_watchdog_touch+0x9c/0xfe [ 273.021337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.026905] ? check_preemption_disabled+0x48/0x280 [ 273.031932] ? __lock_is_held+0xb5/0x140 [ 273.036044] __alloc_pages_nodemask+0xad8/0xea0 [ 273.040715] ? zap_class+0x640/0x640 [ 273.044446] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 273.049474] ? find_held_lock+0x36/0x1c0 [ 273.053549] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.058217] ? lock_downgrade+0x900/0x900 [ 273.062374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.067921] cache_grow_begin+0xa5/0x8c0 [ 273.071994] ? do_raw_spin_unlock+0xa7/0x330 [ 273.076412] fallback_alloc+0x204/0x2e0 [ 273.080394] ____cache_alloc_node+0x1c7/0x1e0 [ 273.084910] kmem_cache_alloc_node+0xe3/0x730 [ 273.089537] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.093797] __alloc_skb+0x119/0x770 [ 273.097508] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.102791] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.107199] ? lock_downgrade+0x900/0x900 [ 273.111383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.116945] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.122402] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.127870] ? addrconf_rs_timer+0x690/0x690 [ 273.132300] ndisc_alloc_skb+0x144/0x340 [ 273.136364] ndisc_send_rs+0x331/0x6e0 [ 273.140256] addrconf_rs_timer+0x314/0x690 [ 273.144495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.148739] call_timer_fn+0x272/0x920 [ 273.152631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.156884] ? process_timeout+0x40/0x40 [ 273.160953] ? __run_timers+0x7da/0xc70 [ 273.164946] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.169453] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.173964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.178201] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.182819] ? trace_hardirqs_on+0xbd/0x310 [ 273.187146] ? kasan_check_read+0x11/0x20 [ 273.191289] ? __run_timers+0x7da/0xc70 [ 273.195281] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.200402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.204651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.208901] __run_timers+0x7e5/0xc70 [ 273.212714] ? timer_fixup_init+0x70/0x70 [ 273.216901] ? find_held_lock+0x36/0x1c0 [ 273.220976] ? __schedule+0x168a/0x21d0 [ 273.224959] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.229466] ? pvclock_read_flags+0x160/0x160 [ 273.233969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.239539] ? check_preemption_disabled+0x48/0x280 [ 273.244597] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 273.250154] ? rcu_pm_notify+0xc0/0xc0 [ 273.254044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.259587] ? check_preemption_disabled+0x48/0x280 [ 273.264621] run_timer_softirq+0x52/0xb0 [ 273.268685] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.273704] __do_softirq+0x308/0xb7e [ 273.277521] ? retint_kernel+0x2d/0x2d [ 273.281413] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.286518] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.291974] ? finish_task_switch+0x2f4/0x910 [ 273.296492] ? schedule+0x108/0x460 [ 273.300130] ? trace_hardirqs_off+0xb8/0x310 [ 273.304538] ? smpboot_thread_fn+0x68b/0xa00 [ 273.308951] ? trace_hardirqs_on+0x310/0x310 [ 273.313380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.318922] ? check_preemption_disabled+0x48/0x280 [ 273.323957] ? takeover_tasklets+0xa90/0xa90 [ 273.328386] run_ksoftirqd+0x5e/0x100 [ 273.332187] smpboot_thread_fn+0x68b/0xa00 [ 273.336431] ? sort_range+0x30/0x30 [ 273.340087] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 273.345201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.350738] ? __kthread_parkme+0xfb/0x1a0 [ 273.354978] ? sort_range+0x30/0x30 [ 273.358609] kthread+0x35a/0x440 [ 273.361982] ? kthread_stop+0x900/0x900 [ 273.365965] ret_from_fork+0x3a/0x50 [ 273.369696] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 273.369771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.377062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.377067] Call Trace: [ 273.377074] [ 273.377092] dump_stack+0x244/0x39d [ 273.377110] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.383810] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.392963] warn_alloc.cold.116+0xb7/0x1bd [ 273.395515] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 273.397658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.430527] ? lock_downgrade+0x900/0x900 [ 273.434684] ? trace_hardirqs_off+0xb8/0x310 [ 273.439102] ? trace_hardirqs_off+0xb8/0x310 [ 273.443520] __alloc_pages_slowpath+0x2651/0x2de0 [ 273.448407] ? warn_alloc+0x120/0x120 [ 273.452212] ? print_usage_bug+0xc0/0xc0 [ 273.456278] ? warn_alloc+0x120/0x120 [ 273.460082] ? zap_class+0x640/0x640 [ 273.463800] ? warn_alloc+0x120/0x120 [ 273.467601] ? print_usage_bug+0xc0/0xc0 [ 273.471670] ? print_usage_bug+0xc0/0xc0 [ 273.475736] ? __lock_acquire+0x62f/0x4c20 [ 273.479981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.485542] ? should_fail+0x22d/0xd01 [ 273.489431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.494544] ? __lock_acquire+0x62f/0x4c20 [ 273.498812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.503935] ? __lock_acquire+0x62f/0x4c20 [ 273.508167] ? should_fail+0x22d/0xd01 [ 273.512059] ? find_held_lock+0x36/0x1c0 [ 273.516132] ? mark_held_locks+0x130/0x130 [ 273.520376] ? mark_held_locks+0x130/0x130 [ 273.524640] ? zap_class+0x640/0x640 [ 273.528372] ? zap_class+0x640/0x640 [ 273.532093] ? print_usage_bug+0xc0/0xc0 [ 273.536151] ? do_raw_spin_unlock+0xa7/0x330 [ 273.540564] ? zap_class+0x640/0x640 [ 273.544291] ? print_usage_bug+0xc0/0xc0 [ 273.548384] ? wq_watchdog_touch+0x9c/0xfe [ 273.552627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.558206] ? check_preemption_disabled+0x48/0x280 [ 273.563234] ? __lock_is_held+0xb5/0x140 [ 273.567303] __alloc_pages_nodemask+0xad8/0xea0 [ 273.571979] ? zap_class+0x640/0x640 [ 273.575702] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 273.580729] ? find_held_lock+0x36/0x1c0 [ 273.584806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.589486] ? lock_downgrade+0x900/0x900 [ 273.593641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.599185] cache_grow_begin+0xa5/0x8c0 [ 273.603245] ? do_raw_spin_unlock+0xa7/0x330 [ 273.607666] fallback_alloc+0x204/0x2e0 [ 273.611646] ____cache_alloc_node+0x1c7/0x1e0 [ 273.616147] kmem_cache_alloc_node+0xe3/0x730 [ 273.620642] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.624897] __alloc_skb+0x119/0x770 [ 273.628627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.634001] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.638423] ? lock_downgrade+0x900/0x900 [ 273.642583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.648120] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.653585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.659039] ? addrconf_rs_timer+0x690/0x690 [ 273.663459] ndisc_alloc_skb+0x144/0x340 [ 273.667528] ndisc_send_rs+0x331/0x6e0 [ 273.671422] addrconf_rs_timer+0x314/0x690 [ 273.675663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.679908] call_timer_fn+0x272/0x920 [ 273.683798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.688034] ? process_timeout+0x40/0x40 [ 273.692131] ? __run_timers+0x7da/0xc70 [ 273.696109] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.700619] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.705128] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.709395] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.714003] ? trace_hardirqs_on+0xbd/0x310 [ 273.718326] ? kasan_check_read+0x11/0x20 [ 273.722498] ? __run_timers+0x7da/0xc70 [ 273.726471] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.731581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.735827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.740071] __run_timers+0x7e5/0xc70 [ 273.743900] ? timer_fixup_init+0x70/0x70 [ 273.748063] ? kasan_check_read+0x11/0x20 [ 273.752211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.757492] ? rcu_softirq_qs+0x20/0x20 [ 273.761476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.767017] ? check_preemption_disabled+0x48/0x280 [ 273.772035] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.776791] ? retint_kernel+0x2d/0x2d [ 273.780692] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.785639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.790405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.795881] ? zap_class+0x640/0x640 [ 273.799618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.805171] ? check_preemption_disabled+0x48/0x280 [ 273.810207] ? __lock_is_held+0xb5/0x140 [ 273.814270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.819812] ? check_preemption_disabled+0x48/0x280 [ 273.824837] run_timer_softirq+0x52/0xb0 [ 273.828930] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.833947] __do_softirq+0x308/0xb7e [ 273.837753] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 273.842253] ? lock_downgrade+0x900/0x900 [ 273.846403] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.851514] ? pvclock_read_flags+0x160/0x160 [ 273.856011] ? lapic_next_event+0x5a/0x90 [ 273.860163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.865706] ? kvm_clock_read+0x18/0x30 [ 273.869681] ? kvm_sched_clock_read+0x9/0x20 [ 273.874093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.879643] ? check_preemption_disabled+0x48/0x280 [ 273.884669] irq_exit+0x17f/0x1c0 [ 273.888125] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.892975] ? smp_call_function_single_interrupt+0x159/0x650 [ 273.898867] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.904770] ? interrupt_entry+0xb5/0xc0 [ 273.908836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.913870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.918905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.923749] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.928781] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.933808] ? task_prio+0x50/0x50 [ 273.937381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.942925] ? check_preemption_disabled+0x48/0x280 [ 273.947948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.952797] apic_timer_interrupt+0xf/0x20 [ 273.957023] [ 273.959389] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 273.965275] 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 [ 273.984178] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.991885] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.999154] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 274.006422] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 274.013691] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 274.020957] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 274.028260] ? save_stack+0xa9/0xd0 [ 274.031983] __kmalloc_node_track_caller+0x3c/0x70 [ 274.036920] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 274.041682] pskb_expand_head+0x230/0x10f0 [ 274.045929] ? memcpy+0x45/0x50 [ 274.049211] ? __copy_skb_header+0x350/0x6b0 [ 274.053620] ? skb_release_data+0x880/0x880 [ 274.057944] ? __alloc_skb+0x770/0x770 [ 274.061858] ? __lock_is_held+0xb5/0x140 [ 274.065929] ? kasan_check_write+0x14/0x20 [ 274.070183] ? __skb_clone+0x6c7/0xa00 [ 274.074084] ? __copy_skb_header+0x6b0/0x6b0 [ 274.078493] ? kmem_cache_alloc+0x33a/0x730 [ 274.082817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.088383] skb_ensure_writable+0x3dd/0x640 [ 274.092812] ? skb_checksum_setup+0xaa0/0xaa0 [ 274.097335] ? preempt_notifier_register+0x200/0x200 [ 274.102470] ? __switch_to_asm+0x34/0x70 [ 274.106544] ? __switch_to_asm+0x34/0x70 [ 274.110601] ? __switch_to_asm+0x40/0x70 [ 274.114681] ? __switch_to_asm+0x34/0x70 [ 274.118738] ? __switch_to_asm+0x40/0x70 [ 274.122803] ? __switch_to_asm+0x40/0x70 [ 274.126889] ? __switch_to_asm+0x34/0x70 [ 274.130953] ? __switch_to_asm+0x34/0x70 [ 274.135015] ? __switch_to_asm+0x40/0x70 [ 274.139085] ? __switch_to_asm+0x34/0x70 [ 274.143184] bpf_clone_redirect+0x14a/0x490 [ 274.147520] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 274.152457] ? __sched_text_start+0x8/0x8 [ 274.156612] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 274.161193] ? retint_kernel+0x2d/0x2d [ 274.165084] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.170026] ? find_held_lock+0x36/0x1c0 [ 274.174115] ? lock_acquire+0x1ed/0x520 [ 274.178106] ? bpf_test_run+0x3cb/0x780 [ 274.182115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.187652] ? check_preemption_disabled+0x48/0x280 [ 274.192676] ? kasan_check_read+0x11/0x20 [ 274.196837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.202134] ? rcu_softirq_qs+0x20/0x20 [ 274.206114] ? preempt_schedule+0x4d/0x60 [ 274.210294] ? ___preempt_schedule+0x16/0x18 [ 274.214709] ? bpf_test_run+0x25d/0x780 [ 274.218696] ? netlink_diag_dump+0x2a0/0x2a0 [ 274.223125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.228682] ? bpf_test_init.isra.10+0x70/0x100 [ 274.233360] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 274.238144] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 274.243001] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.248540] ? fput+0x130/0x1a0 [ 274.251824] ? __bpf_prog_get+0x9b/0x290 [ 274.255910] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 274.260756] ? bpf_prog_test_run+0x130/0x1a0 [ 274.265170] ? __x64_sys_bpf+0x3d8/0x520 [ 274.269230] ? bpf_prog_get+0x20/0x20 [ 274.273054] ? do_syscall_64+0x1b9/0x820 [ 274.277115] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 274.282482] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.287421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.292282] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.297315] ? prepare_exit_to_usermode+0x291/0x3b0 [ 274.302337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.307196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 274.312573] warn_alloc_show_mem: 1 callbacks suppressed [ 274.312584] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 274.312586] Mem-Info: [ 274.312616] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 274.312616] active_file:12 inactive_file:11 isolated_file:0 [ 274.312616] unevictable:0 dirty:0 writeback:0 unstable:0 [ 274.312616] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 274.312616] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 274.312616] free:13794 free_pcp:515 free_cma:0 [ 274.317958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.324802] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 274.327204] Call Trace: [ 274.360081] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 274.369434] dump_stack+0x244/0x39d [ 274.396902] lowmem_reserve[]: 0 2818 6321 6321 [ 274.399492] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.425576] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 274.429208] warn_alloc.cold.116+0xb7/0x1bd [ 274.433755] lowmem_reserve[]: 0 0 3503 3503 [ 274.438943] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.466247] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 274.470570] ? lock_downgrade+0x900/0x900 [ 274.474878] lowmem_reserve[]: 0 0 0 0 [ 274.479723] ? trace_hardirqs_off+0xb8/0x310 [ 274.508756] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 274.512917] ? trace_hardirqs_off+0xb8/0x310 [ 274.516688] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 274.521097] __alloc_pages_slowpath+0x2651/0x2de0 [ 274.534591] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 274.539024] ? warn_alloc+0x120/0x120 [ 274.553989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.558827] ? print_usage_bug+0xc0/0xc0 [ 274.573839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.577651] ? warn_alloc+0x120/0x120 [ 274.586475] 267 total pagecache pages [ 274.590535] ? warn_alloc+0x120/0x120 [ 274.599091] 0 pages in swap cache [ 274.602884] ? print_usage_bug+0xc0/0xc0 [ 274.606658] Swap cache stats: add 0, delete 0, find 0/0 [ 274.610454] ? print_usage_bug+0xc0/0xc0 [ 274.613915] Free swap = 0kB [ 274.617972] ? print_usage_bug+0xc0/0xc0 [ 274.623326] Total swap = 0kB [ 274.627384] ? __lock_acquire+0x62f/0x4c20 [ 274.630390] 1965979 pages RAM [ 274.634447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.637443] 0 pages HighMem/MovableOnly [ 274.641690] ? should_fail+0x22d/0xd01 [ 274.644766] 342854 pages reserved [ 274.650295] ? __lock_acquire+0x62f/0x4c20 [ 274.654247] 0 pages cma reserved [ 274.658126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.661643] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.665778] ? __lock_acquire+0x62f/0x4c20 [ 274.669208] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.674240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.680709] syz-executor0 cpuset=syz0 mems_allowed=0 [ 274.684942] ? __lock_acquire+0x62f/0x4c20 [ 274.709809] ? should_fail+0x22d/0xd01 [ 274.713716] ? mark_held_locks+0x130/0x130 [ 274.717962] ? mark_held_locks+0x130/0x130 [ 274.722202] ? lock_downgrade+0x900/0x900 [ 274.726379] ? zap_class+0x640/0x640 [ 274.730096] ? print_usage_bug+0xc0/0xc0 [ 274.734160] ? trace_hardirqs_off+0xb8/0x310 [ 274.738574] ? kasan_check_read+0x11/0x20 [ 274.742726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.748267] ? check_preemption_disabled+0x48/0x280 [ 274.753297] ? __lock_is_held+0xb5/0x140 [ 274.757411] __alloc_pages_nodemask+0xad8/0xea0 [ 274.762088] ? zap_class+0x640/0x640 [ 274.765816] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 274.770868] ? find_held_lock+0x36/0x1c0 [ 274.774952] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.779632] ? lock_downgrade+0x900/0x900 [ 274.783790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.789333] cache_grow_begin+0xa5/0x8c0 [ 274.793397] ? do_raw_spin_unlock+0xa7/0x330 [ 274.797816] fallback_alloc+0x204/0x2e0 [ 274.801805] ____cache_alloc_node+0x1c7/0x1e0 [ 274.806306] kmem_cache_alloc_node+0xe3/0x730 [ 274.810802] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.815047] __alloc_skb+0x119/0x770 [ 274.818760] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.824041] ? netdev_alloc_frag+0x1f0/0x1f0 [ 274.828452] ? lock_downgrade+0x900/0x900 [ 274.832608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.838170] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.843656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.849108] ? addrconf_rs_timer+0x690/0x690 [ 274.853530] ndisc_alloc_skb+0x144/0x340 [ 274.857597] ndisc_send_rs+0x331/0x6e0 [ 274.861494] addrconf_rs_timer+0x314/0x690 [ 274.865732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.869998] call_timer_fn+0x272/0x920 [ 274.873895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.878142] ? process_timeout+0x40/0x40 [ 274.882213] ? __run_timers+0x7da/0xc70 [ 274.886190] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.890688] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.895198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.899436] ? lockdep_hardirqs_on+0x296/0x5b0 [ 274.904022] ? trace_hardirqs_on+0xbd/0x310 [ 274.908345] ? kasan_check_read+0x11/0x20 [ 274.912491] ? __run_timers+0x7da/0xc70 [ 274.916469] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.921588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.925825] __run_timers+0x7e5/0xc70 [ 274.929645] ? timer_fixup_init+0x70/0x70 [ 274.933822] ? find_held_lock+0x36/0x1c0 [ 274.937915] ? __schedule+0x168a/0x21d0 [ 274.941906] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.946419] ? pvclock_read_flags+0x160/0x160 [ 274.950918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.956470] ? check_preemption_disabled+0x48/0x280 [ 274.961499] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 274.967040] ? rcu_pm_notify+0xc0/0xc0 [ 274.970937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.976475] ? check_preemption_disabled+0x48/0x280 [ 274.981495] run_timer_softirq+0x52/0xb0 [ 274.985556] ? rcu_read_lock_sched_held+0x14f/0x180 [ 274.990596] __do_softirq+0x308/0xb7e [ 274.994415] ? retint_kernel+0x2d/0x2d [ 274.998306] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 275.003416] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.008894] ? finish_task_switch+0x2f4/0x910 [ 275.013396] ? schedule+0x108/0x460 [ 275.017035] ? trace_hardirqs_off+0xb8/0x310 [ 275.021444] ? smpboot_thread_fn+0x68b/0xa00 [ 275.025863] ? trace_hardirqs_on+0x310/0x310 [ 275.030296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.035861] ? check_preemption_disabled+0x48/0x280 [ 275.040889] ? takeover_tasklets+0xa90/0xa90 [ 275.045299] run_ksoftirqd+0x5e/0x100 [ 275.049102] smpboot_thread_fn+0x68b/0xa00 [ 275.053342] ? sort_range+0x30/0x30 [ 275.056971] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.062077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.067616] ? __kthread_parkme+0xfb/0x1a0 [ 275.071861] ? sort_range+0x30/0x30 [ 275.075494] kthread+0x35a/0x440 [ 275.078877] ? kthread_stop+0x900/0x900 [ 275.082874] ret_from_fork+0x3a/0x50 [ 275.086614] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 275.086701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.094498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.094507] Call Trace: [ 275.101088] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.110358] [ 275.112943] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 275.123252] dump_stack+0x244/0x39d [ 275.133780] ? dump_stack_print_info.cold.1+0x20/0x20 [ 275.138989] warn_alloc.cold.116+0xb7/0x1bd [ 275.143314] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.148176] ? lock_downgrade+0x900/0x900 [ 275.152336] ? trace_hardirqs_off+0xb8/0x310 [ 275.156769] ? trace_hardirqs_off+0xb8/0x310 [ 275.161198] __alloc_pages_slowpath+0x2651/0x2de0 [ 275.166098] ? warn_alloc+0x120/0x120 [ 275.169902] ? print_usage_bug+0xc0/0xc0 [ 275.173964] ? warn_alloc+0x120/0x120 [ 275.177783] ? warn_alloc+0x120/0x120 [ 275.181587] ? print_usage_bug+0xc0/0xc0 [ 275.185647] ? kvm_clock_read+0x18/0x30 [ 275.189623] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 275.194643] ? print_usage_bug+0xc0/0xc0 [ 275.198707] ? __lock_acquire+0x62f/0x4c20 [ 275.202949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.208490] ? should_fail+0x22d/0xd01 [ 275.212381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.217664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.222766] ? __lock_acquire+0x62f/0x4c20 [ 275.227003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.232108] ? __lock_acquire+0x62f/0x4c20 [ 275.236344] ? should_fail+0x22d/0xd01 [ 275.240232] ? rcu_irq_exit+0x1a2/0x390 [ 275.244225] ? mark_held_locks+0x130/0x130 [ 275.248465] ? mark_held_locks+0x130/0x130 [ 275.252707] ? mark_held_locks+0xc7/0x130 [ 275.256859] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 275.261876] ? zap_class+0x640/0x640 [ 275.265593] ? print_usage_bug+0xc0/0xc0 [ 275.269660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.275197] ? check_preemption_disabled+0x48/0x280 [ 275.280226] ? __lock_is_held+0xb5/0x140 [ 275.284293] __alloc_pages_nodemask+0xad8/0xea0 [ 275.288978] ? zap_class+0x640/0x640 [ 275.292695] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 275.297724] ? find_held_lock+0x36/0x1c0 [ 275.301794] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.306469] ? lock_downgrade+0x900/0x900 [ 275.310625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.316184] cache_grow_begin+0xa5/0x8c0 [ 275.320250] ? do_raw_spin_unlock+0xa7/0x330 [ 275.324667] fallback_alloc+0x204/0x2e0 [ 275.328665] ____cache_alloc_node+0x1c7/0x1e0 [ 275.333167] kmem_cache_alloc_node+0xe3/0x730 [ 275.337664] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.341929] __alloc_skb+0x119/0x770 [ 275.345639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.350937] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.355348] ? lock_downgrade+0x900/0x900 [ 275.359506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.365051] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.370504] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.375956] ? addrconf_rs_timer+0x690/0x690 [ 275.380399] ndisc_alloc_skb+0x144/0x340 [ 275.384463] ndisc_send_rs+0x331/0x6e0 [ 275.388354] addrconf_rs_timer+0x314/0x690 [ 275.392601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.396897] call_timer_fn+0x272/0x920 [ 275.400784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.405018] ? process_timeout+0x40/0x40 [ 275.409089] ? __run_timers+0x7da/0xc70 [ 275.413070] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.417566] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.422060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.426297] ? lockdep_hardirqs_on+0x296/0x5b0 [ 275.430886] ? trace_hardirqs_on+0xbd/0x310 [ 275.435207] ? kasan_check_read+0x11/0x20 [ 275.439371] ? __run_timers+0x7da/0xc70 [ 275.443350] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.448466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.452705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.456938] __run_timers+0x7e5/0xc70 [ 275.460770] ? timer_fixup_init+0x70/0x70 [ 275.464935] ? kasan_check_read+0x11/0x20 [ 275.469100] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.474414] ? rcu_softirq_qs+0x20/0x20 [ 275.478406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.483944] ? check_preemption_disabled+0x48/0x280 [ 275.488966] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.493725] ? retint_kernel+0x2d/0x2d [ 275.497611] ? trace_hardirqs_on_caller+0xc0/0x310 [ 275.502543] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.507331] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.512789] ? zap_class+0x640/0x640 [ 275.516505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.522041] ? check_preemption_disabled+0x48/0x280 [ 275.527065] ? __lock_is_held+0xb5/0x140 [ 275.531134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.536670] ? check_preemption_disabled+0x48/0x280 [ 275.541688] run_timer_softirq+0x52/0xb0 [ 275.545746] ? rcu_read_lock_sched_held+0x14f/0x180 [ 275.550764] __do_softirq+0x308/0xb7e [ 275.554567] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 275.559060] ? lock_downgrade+0x900/0x900 [ 275.563214] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 275.568327] ? pvclock_read_flags+0x160/0x160 [ 275.572835] ? lapic_next_event+0x5a/0x90 [ 275.576997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.582566] ? kvm_clock_read+0x18/0x30 [ 275.586555] ? kvm_sched_clock_read+0x9/0x20 [ 275.590962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.596500] ? check_preemption_disabled+0x48/0x280 [ 275.601519] irq_exit+0x17f/0x1c0 [ 275.604973] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.609811] ? smp_call_function_single_interrupt+0x159/0x650 [ 275.615698] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.621578] ? interrupt_entry+0xb5/0xc0 [ 275.625637] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.630649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.635662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.640504] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.645518] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.650531] ? task_prio+0x50/0x50 [ 275.654072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.659609] ? check_preemption_disabled+0x48/0x280 [ 275.664628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.669498] apic_timer_interrupt+0xf/0x20 [ 275.673722] [ 275.675961] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 275.681851] 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 [ 275.700749] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.708452] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.715718] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 275.722984] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 275.730247] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 275.737511] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 275.744799] ? save_stack+0xa9/0xd0 [ 275.748449] __kmalloc_node_track_caller+0x3c/0x70 [ 275.753489] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 275.758249] pskb_expand_head+0x230/0x10f0 [ 275.762486] ? memcpy+0x45/0x50 [ 275.765777] ? __copy_skb_header+0x350/0x6b0 [ 275.770185] ? skb_release_data+0x880/0x880 [ 275.774504] ? __alloc_skb+0x770/0x770 [ 275.778416] ? __lock_is_held+0xb5/0x140 [ 275.782485] ? kasan_check_write+0x14/0x20 [ 275.786714] ? __skb_clone+0x6c7/0xa00 [ 275.790605] ? __copy_skb_header+0x6b0/0x6b0 [ 275.795026] ? kmem_cache_alloc+0x33a/0x730 [ 275.799348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.804899] skb_ensure_writable+0x3dd/0x640 [ 275.809312] ? skb_checksum_setup+0xaa0/0xaa0 [ 275.813826] ? preempt_notifier_register+0x200/0x200 [ 275.818950] ? __switch_to_asm+0x34/0x70 [ 275.823010] ? __switch_to_asm+0x34/0x70 [ 275.827077] ? __switch_to_asm+0x40/0x70 [ 275.831137] ? __switch_to_asm+0x34/0x70 [ 275.835198] ? __switch_to_asm+0x40/0x70 [ 275.839260] ? __switch_to_asm+0x40/0x70 [ 275.843317] ? __switch_to_asm+0x34/0x70 [ 275.847382] ? __switch_to_asm+0x34/0x70 [ 275.851469] ? __switch_to_asm+0x40/0x70 [ 275.855532] ? __switch_to_asm+0x34/0x70 [ 275.859619] bpf_clone_redirect+0x14a/0x490 [ 275.863949] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 275.868889] ? __sched_text_start+0x8/0x8 [ 275.873044] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.877627] ? retint_kernel+0x2d/0x2d [ 275.881521] ? trace_hardirqs_on_caller+0xc0/0x310 [ 275.886455] ? find_held_lock+0x36/0x1c0 [ 275.890540] ? lock_acquire+0x1ed/0x520 [ 275.894532] ? bpf_test_run+0x3cb/0x780 [ 275.898508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.904047] ? check_preemption_disabled+0x48/0x280 [ 275.909084] ? kasan_check_read+0x11/0x20 [ 275.913278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.918551] ? rcu_softirq_qs+0x20/0x20 [ 275.922536] ? preempt_schedule+0x4d/0x60 [ 275.926683] ? ___preempt_schedule+0x16/0x18 [ 275.931097] ? bpf_test_run+0x25d/0x780 [ 275.935113] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.939536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.945075] ? bpf_test_init.isra.10+0x70/0x100 [ 275.949751] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 275.954530] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.959380] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.964937] ? fput+0x130/0x1a0 [ 275.968225] ? __bpf_prog_get+0x9b/0x290 [ 275.972296] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.977141] ? bpf_prog_test_run+0x130/0x1a0 [ 275.981555] ? __x64_sys_bpf+0x3d8/0x520 [ 275.985619] ? bpf_prog_get+0x20/0x20 [ 275.989437] ? do_syscall_64+0x1b9/0x820 [ 275.993503] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.998883] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.003817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.008669] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.013688] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.018708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.023557] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.028968] warn_alloc_show_mem: 1 callbacks suppressed [ 276.028979] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 276.028981] Mem-Info: [ 276.029011] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 276.029011] active_file:12 inactive_file:11 isolated_file:0 [ 276.029011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.029011] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 276.029011] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 276.029011] free:13794 free_pcp:515 free_cma:0 [ 276.034394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.041236] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.043634] Call Trace: [ 276.076498] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 276.085855] dump_stack+0x244/0x39d [ 276.113324] lowmem_reserve[]: 0 2818 6321 6321 [ 276.115904] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.141986] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 276.145624] warn_alloc.cold.116+0xb7/0x1bd [ 276.150186] lowmem_reserve[]: 0 0 3503 3503 [ 276.155379] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.155397] ? lock_downgrade+0x900/0x900 [ 276.182693] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 276.187015] ? trace_hardirqs_off+0xb8/0x310 [ 276.191304] lowmem_reserve[]: 0 0 0 0 [ 276.196167] ? trace_hardirqs_off+0xb8/0x310 [ 276.200287] 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 [ 276.229352] __alloc_pages_slowpath+0x2651/0x2de0 [ 276.233753] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 276.237566] ? warn_alloc+0x120/0x120 [ 276.241930] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 276.255464] ? print_usage_bug+0xc0/0xc0 [ 276.260290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.275276] ? warn_alloc+0x120/0x120 [ 276.279066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.294069] ? warn_alloc+0x120/0x120 [ 276.298138] 267 total pagecache pages [ 276.306969] ? print_usage_bug+0xc0/0xc0 [ 276.310762] 0 pages in swap cache [ 276.319324] ? print_usage_bug+0xc0/0xc0 [ 276.323114] Swap cache stats: add 0, delete 0, find 0/0 [ 276.326918] ? __lock_acquire+0x62f/0x4c20 [ 276.330958] Free swap = 0kB [ 276.334403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.338450] Total swap = 0kB [ 276.343987] ? should_fail+0x22d/0xd01 [ 276.348242] 1965979 pages RAM [ 276.351252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.356762] 0 pages HighMem/MovableOnly [ 276.359777] ? __lock_acquire+0x62f/0x4c20 [ 276.363645] 342854 pages reserved [ 276.366743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.371818] 0 pages cma reserved [ 276.375797] ? __lock_acquire+0x62f/0x4c20 [ 276.380081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.383445] ? should_fail+0x22d/0xd01 [ 276.383461] ? find_held_lock+0x36/0x1c0 [ 276.388627] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.391923] ? mark_held_locks+0x130/0x130 [ 276.396133] syz-executor0 cpuset=syz0 mems_allowed=0 [ 276.402614] ? mark_held_locks+0x130/0x130 [ 276.434510] ? zap_class+0x640/0x640 [ 276.438236] ? mark_held_locks+0xc7/0x130 [ 276.442384] ? do_raw_spin_unlock+0xa7/0x330 [ 276.446790] ? zap_class+0x640/0x640 [ 276.450546] ? print_usage_bug+0xc0/0xc0 [ 276.454621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.460174] ? check_preemption_disabled+0x48/0x280 [ 276.465237] ? __lock_is_held+0xb5/0x140 [ 276.469301] __alloc_pages_nodemask+0xad8/0xea0 [ 276.473970] ? zap_class+0x640/0x640 [ 276.477686] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 276.482709] ? find_held_lock+0x36/0x1c0 [ 276.486781] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.491456] ? lock_downgrade+0x900/0x900 [ 276.495615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.501216] cache_grow_begin+0xa5/0x8c0 [ 276.505277] ? do_raw_spin_unlock+0xa7/0x330 [ 276.509714] fallback_alloc+0x204/0x2e0 [ 276.513712] ____cache_alloc_node+0x1c7/0x1e0 [ 276.518242] kmem_cache_alloc_node+0xe3/0x730 [ 276.522735] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.526985] __alloc_skb+0x119/0x770 [ 276.530696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.535978] ? netdev_alloc_frag+0x1f0/0x1f0 [ 276.540385] ? lock_downgrade+0x900/0x900 [ 276.544541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.550082] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.555541] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.560991] ? addrconf_rs_timer+0x690/0x690 [ 276.565453] ndisc_alloc_skb+0x144/0x340 [ 276.569521] ndisc_send_rs+0x331/0x6e0 [ 276.573427] addrconf_rs_timer+0x314/0x690 [ 276.577670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.581916] call_timer_fn+0x272/0x920 [ 276.585806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.590058] ? process_timeout+0x40/0x40 [ 276.594133] ? __run_timers+0x7da/0xc70 [ 276.598109] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.602607] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.607117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.611352] ? lockdep_hardirqs_on+0x296/0x5b0 [ 276.615943] ? trace_hardirqs_on+0xbd/0x310 [ 276.620267] ? kasan_check_read+0x11/0x20 [ 276.624412] ? __run_timers+0x7da/0xc70 [ 276.628394] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.633507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.637765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.642000] __run_timers+0x7e5/0xc70 [ 276.645810] ? timer_fixup_init+0x70/0x70 [ 276.649980] ? find_held_lock+0x36/0x1c0 [ 276.654056] ? __schedule+0x168a/0x21d0 [ 276.658034] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.662537] ? pvclock_read_flags+0x160/0x160 [ 276.667037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.672576] ? check_preemption_disabled+0x48/0x280 [ 276.677604] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 276.683145] ? rcu_pm_notify+0xc0/0xc0 [ 276.687036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.692604] ? check_preemption_disabled+0x48/0x280 [ 276.697625] run_timer_softirq+0x52/0xb0 [ 276.701686] ? rcu_read_lock_sched_held+0x14f/0x180 [ 276.706702] __do_softirq+0x308/0xb7e [ 276.710522] ? retint_kernel+0x2d/0x2d [ 276.714440] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 276.719567] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.725046] ? finish_task_switch+0x2f4/0x910 [ 276.729552] ? schedule+0x108/0x460 [ 276.733188] ? trace_hardirqs_off+0xb8/0x310 [ 276.737627] ? smpboot_thread_fn+0x68b/0xa00 [ 276.742052] ? trace_hardirqs_on+0x310/0x310 [ 276.746482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.752019] ? check_preemption_disabled+0x48/0x280 [ 276.757039] ? takeover_tasklets+0xa90/0xa90 [ 276.761448] run_ksoftirqd+0x5e/0x100 [ 276.765253] smpboot_thread_fn+0x68b/0xa00 [ 276.769492] ? sort_range+0x30/0x30 [ 276.773129] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.778280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.783818] ? __kthread_parkme+0xfb/0x1a0 [ 276.788089] ? sort_range+0x30/0x30 [ 276.791719] kthread+0x35a/0x440 [ 276.795088] ? kthread_stop+0x900/0x900 [ 276.799073] ret_from_fork+0x3a/0x50 [ 276.802810] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 276.802900] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.810177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.810183] Call Trace: [ 276.810189] [ 276.810206] dump_stack+0x244/0x39d [ 276.810225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.816810] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.826094] warn_alloc.cold.116+0xb7/0x1bd [ 276.828822] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 276.830981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.831001] ? lock_downgrade+0x900/0x900 [ 276.868123] ? trace_hardirqs_off+0xb8/0x310 [ 276.872543] ? trace_hardirqs_off+0xb8/0x310 [ 276.876990] __alloc_pages_slowpath+0x2651/0x2de0 [ 276.881871] ? warn_alloc+0x120/0x120 [ 276.885678] ? print_usage_bug+0xc0/0xc0 [ 276.889740] ? warn_alloc+0x120/0x120 [ 276.893543] ? warn_alloc+0x120/0x120 [ 276.897348] ? print_usage_bug+0xc0/0xc0 [ 276.901422] ? kvm_clock_read+0x18/0x30 [ 276.905406] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.910428] ? print_usage_bug+0xc0/0xc0 [ 276.914519] ? __lock_acquire+0x62f/0x4c20 [ 276.918769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.924323] ? should_fail+0x22d/0xd01 [ 276.928226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.933504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.938610] ? __lock_acquire+0x62f/0x4c20 [ 276.942859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.947958] ? __lock_acquire+0x62f/0x4c20 [ 276.952185] ? should_fail+0x22d/0xd01 [ 276.956082] ? rcu_irq_exit+0x1a2/0x390 [ 276.960145] ? mark_held_locks+0x130/0x130 [ 276.964414] ? mark_held_locks+0x130/0x130 [ 276.968695] ? mark_held_locks+0xc7/0x130 [ 276.972854] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 276.977901] ? zap_class+0x640/0x640 [ 276.981615] ? print_usage_bug+0xc0/0xc0 [ 276.985682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.991222] ? check_preemption_disabled+0x48/0x280 [ 276.996249] ? __lock_is_held+0xb5/0x140 [ 277.000317] __alloc_pages_nodemask+0xad8/0xea0 [ 277.005006] ? zap_class+0x640/0x640 [ 277.008723] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 277.013750] ? find_held_lock+0x36/0x1c0 [ 277.017820] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.022497] ? lock_downgrade+0x900/0x900 [ 277.026650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.032197] cache_grow_begin+0xa5/0x8c0 [ 277.036304] ? do_raw_spin_unlock+0xa7/0x330 [ 277.040723] fallback_alloc+0x204/0x2e0 [ 277.044704] ____cache_alloc_node+0x1c7/0x1e0 [ 277.049204] kmem_cache_alloc_node+0xe3/0x730 [ 277.053706] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.057953] __alloc_skb+0x119/0x770 [ 277.061671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.066976] ? netdev_alloc_frag+0x1f0/0x1f0 [ 277.071390] ? lock_downgrade+0x900/0x900 [ 277.075547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.081086] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.086541] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.092522] ? addrconf_rs_timer+0x690/0x690 [ 277.096952] ndisc_alloc_skb+0x144/0x340 [ 277.101025] ndisc_send_rs+0x331/0x6e0 [ 277.104919] addrconf_rs_timer+0x314/0x690 [ 277.109178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.113421] call_timer_fn+0x272/0x920 [ 277.117306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.121567] ? process_timeout+0x40/0x40 [ 277.125635] ? __run_timers+0x7da/0xc70 [ 277.129614] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.134105] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.138596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.142833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 277.147428] ? trace_hardirqs_on+0xbd/0x310 [ 277.151748] ? kasan_check_read+0x11/0x20 [ 277.155894] ? __run_timers+0x7da/0xc70 [ 277.159894] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.165020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.169261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.173491] __run_timers+0x7e5/0xc70 [ 277.177305] ? timer_fixup_init+0x70/0x70 [ 277.181458] ? kasan_check_read+0x11/0x20 [ 277.185610] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.190887] ? rcu_softirq_qs+0x20/0x20 [ 277.194872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.200412] ? check_preemption_disabled+0x48/0x280 [ 277.205447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.210206] ? retint_kernel+0x2d/0x2d [ 277.214097] ? trace_hardirqs_on_caller+0xc0/0x310 [ 277.219029] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.223797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.229253] ? zap_class+0x640/0x640 [ 277.232976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.238512] ? check_preemption_disabled+0x48/0x280 [ 277.243536] ? __lock_is_held+0xb5/0x140 [ 277.247598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.253139] ? check_preemption_disabled+0x48/0x280 [ 277.258161] run_timer_softirq+0x52/0xb0 [ 277.262229] ? rcu_read_lock_sched_held+0x14f/0x180 [ 277.267250] __do_softirq+0x308/0xb7e [ 277.271060] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 277.275553] ? lock_downgrade+0x900/0x900 [ 277.279703] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 277.284829] ? pvclock_read_flags+0x160/0x160 [ 277.289380] ? lapic_next_event+0x5a/0x90 [ 277.293566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.299296] ? kvm_clock_read+0x18/0x30 [ 277.303297] ? kvm_sched_clock_read+0x9/0x20 [ 277.307722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.313260] ? check_preemption_disabled+0x48/0x280 [ 277.318288] irq_exit+0x17f/0x1c0 [ 277.321747] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.326589] ? smp_call_function_single_interrupt+0x159/0x650 [ 277.332489] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.338399] ? interrupt_entry+0xb5/0xc0 [ 277.342463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.347482] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.352516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.357358] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.362385] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.367401] ? task_prio+0x50/0x50 [ 277.370944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.376486] ? check_preemption_disabled+0x48/0x280 [ 277.381510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.386360] apic_timer_interrupt+0xf/0x20 [ 277.390590] [ 277.392827] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 277.398720] 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 [ 277.417618] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.425324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 277.432589] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 277.439860] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 277.447127] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 277.454398] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 277.461712] ? save_stack+0xa9/0xd0 [ 277.465355] __kmalloc_node_track_caller+0x3c/0x70 [ 277.470296] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 277.475069] pskb_expand_head+0x230/0x10f0 [ 277.479313] ? memcpy+0x45/0x50 [ 277.482599] ? __copy_skb_header+0x350/0x6b0 [ 277.487009] ? skb_release_data+0x880/0x880 [ 277.491345] ? __alloc_skb+0x770/0x770 [ 277.495247] ? __lock_is_held+0xb5/0x140 [ 277.499319] ? kasan_check_write+0x14/0x20 [ 277.503557] ? __skb_clone+0x6c7/0xa00 [ 277.507447] ? __copy_skb_header+0x6b0/0x6b0 [ 277.511861] ? kmem_cache_alloc+0x33a/0x730 [ 277.516215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.521763] skb_ensure_writable+0x3dd/0x640 [ 277.526176] ? skb_checksum_setup+0xaa0/0xaa0 [ 277.530689] ? preempt_notifier_register+0x200/0x200 [ 277.535790] ? __switch_to_asm+0x34/0x70 [ 277.539861] ? __switch_to_asm+0x34/0x70 [ 277.543918] ? __switch_to_asm+0x40/0x70 [ 277.547988] ? __switch_to_asm+0x34/0x70 [ 277.552052] ? __switch_to_asm+0x40/0x70 [ 277.556121] ? __switch_to_asm+0x40/0x70 [ 277.560182] ? __switch_to_asm+0x34/0x70 [ 277.564255] ? __switch_to_asm+0x34/0x70 [ 277.568315] ? __switch_to_asm+0x40/0x70 [ 277.572385] ? __switch_to_asm+0x34/0x70 [ 277.576448] bpf_clone_redirect+0x14a/0x490 [ 277.580797] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 277.585730] ? __sched_text_start+0x8/0x8 [ 277.589885] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 277.594464] ? retint_kernel+0x2d/0x2d [ 277.598353] ? trace_hardirqs_on_caller+0xc0/0x310 [ 277.603294] ? find_held_lock+0x36/0x1c0 [ 277.607362] ? lock_acquire+0x1ed/0x520 [ 277.611343] ? bpf_test_run+0x3cb/0x780 [ 277.615332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.620897] ? check_preemption_disabled+0x48/0x280 [ 277.625922] ? kasan_check_read+0x11/0x20 [ 277.630069] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.635346] ? rcu_softirq_qs+0x20/0x20 [ 277.639326] ? preempt_schedule+0x4d/0x60 [ 277.643489] ? ___preempt_schedule+0x16/0x18 [ 277.647919] ? bpf_test_run+0x25d/0x780 [ 277.651908] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.656319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.661863] ? bpf_test_init.isra.10+0x70/0x100 [ 277.666549] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 277.671311] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 277.676155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.681694] ? fput+0x130/0x1a0 [ 277.684984] ? __bpf_prog_get+0x9b/0x290 [ 277.689053] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 277.693914] ? bpf_prog_test_run+0x130/0x1a0 [ 277.698376] ? __x64_sys_bpf+0x3d8/0x520 [ 277.702436] ? bpf_prog_get+0x20/0x20 [ 277.706267] ? do_syscall_64+0x1b9/0x820 [ 277.710395] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.715781] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.720711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.725556] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.730581] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.735606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.740456] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.745831] warn_alloc_show_mem: 1 callbacks suppressed [ 277.745871] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 277.745873] Mem-Info: [ 277.745902] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 277.745902] active_file:12 inactive_file:11 isolated_file:0 [ 277.745902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.745902] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 277.745902] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 277.745902] free:13794 free_pcp:515 free_cma:0 [ 277.751244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.758090] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.760488] Call Trace: [ 277.793356] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.802774] dump_stack+0x244/0x39d [ 277.830274] lowmem_reserve[]: 0 2818 6321 6321 [ 277.832871] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.858958] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 277.862585] warn_alloc.cold.116+0xb7/0x1bd [ 277.867130] lowmem_reserve[]: 0 0 3503 3503 [ 277.872335] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.899641] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 277.903963] ? lock_downgrade+0x900/0x900 [ 277.908258] lowmem_reserve[]: 0 0 0 0 [ 277.913113] ? trace_hardirqs_off+0xb8/0x310 [ 277.942145] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 277.946294] ? trace_hardirqs_off+0xb8/0x310 [ 277.950069] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 277.954478] __alloc_pages_slowpath+0x2651/0x2de0 [ 277.967973] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 277.972401] ? warn_alloc+0x120/0x120 [ 277.987378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.992208] ? warn_alloc+0x120/0x120 [ 278.007186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.010974] ? warn_alloc+0x120/0x120 [ 278.019789] 267 total pagecache pages [ 278.023597] ? print_usage_bug+0xc0/0xc0 [ 278.032149] 0 pages in swap cache [ 278.035942] ? __lock_acquire+0x62f/0x4c20 [ 278.039720] Swap cache stats: add 0, delete 0, find 0/0 [ 278.043782] ? print_usage_bug+0xc0/0xc0 [ 278.047215] Free swap = 0kB [ 278.051480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.056821] Total swap = 0kB [ 278.060901] ? should_fail+0x22d/0xd01 [ 278.063916] 1965979 pages RAM [ 278.069447] ? print_usage_bug+0xc0/0xc0 [ 278.072475] 0 pages HighMem/MovableOnly [ 278.076398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.079479] 342854 pages reserved [ 278.083536] ? __lock_acquire+0x62f/0x4c20 [ 278.087490] 0 pages cma reserved [ 278.092598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.096097] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.100243] ? __lock_acquire+0x62f/0x4c20 [ 278.100259] ? should_fail+0x22d/0xd01 [ 278.103737] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.108725] ? mark_held_locks+0x130/0x130 [ 278.115197] syz-executor0 cpuset=syz0 mems_allowed=0 [ 278.119425] ? mark_held_locks+0x130/0x130 [ 278.147359] ? zap_class+0x640/0x640 [ 278.151084] ? mark_held_locks+0x130/0x130 [ 278.155324] ? mark_held_locks+0x130/0x130 [ 278.159578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.165131] ? check_preemption_disabled+0x48/0x280 [ 278.170157] ? __lock_is_held+0xb5/0x140 [ 278.174226] __alloc_pages_nodemask+0xad8/0xea0 [ 278.178904] ? zap_class+0x640/0x640 [ 278.182628] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 278.187664] ? find_held_lock+0x36/0x1c0 [ 278.191735] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.196409] ? lock_downgrade+0x900/0x900 [ 278.200563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.206126] cache_grow_begin+0xa5/0x8c0 [ 278.210203] ? do_raw_spin_unlock+0xa7/0x330 [ 278.214618] fallback_alloc+0x204/0x2e0 [ 278.218599] ____cache_alloc_node+0x1c7/0x1e0 [ 278.223115] kmem_cache_alloc_node+0xe3/0x730 [ 278.227620] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.232215] __alloc_skb+0x119/0x770 [ 278.235933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.241301] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.245715] ? lock_acquire+0x1ed/0x520 [ 278.249698] ? aoecmd_cfg+0x108/0x7f0 [ 278.253500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.259050] ? check_preemption_disabled+0x48/0x280 [ 278.264075] ? kasan_check_read+0x11/0x20 [ 278.268233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.273521] ? rcu_softirq_qs+0x20/0x20 [ 278.277505] new_skb+0x26/0x1c0 [ 278.280789] aoecmd_cfg+0x279/0x7f0 [ 278.284423] ? find_held_lock+0x36/0x1c0 [ 278.288485] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 278.292812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.298365] ? check_preemption_disabled+0x48/0x280 [ 278.303401] ? __lock_is_held+0xb5/0x140 [ 278.307517] discover_timer+0x50/0x60 [ 278.311317] call_timer_fn+0x272/0x920 [ 278.315208] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 278.320051] ? process_timeout+0x40/0x40 [ 278.324119] ? __run_timers+0x7da/0xc70 [ 278.328099] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.332596] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.337096] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 278.341940] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.346525] ? trace_hardirqs_on+0xbd/0x310 [ 278.350859] ? kasan_check_read+0x11/0x20 [ 278.355020] ? __run_timers+0x7da/0xc70 [ 278.358998] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.364106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.368346] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 278.373186] __run_timers+0x7e5/0xc70 [ 278.376999] ? timer_fixup_init+0x70/0x70 [ 278.381165] ? find_held_lock+0x36/0x1c0 [ 278.385237] ? __schedule+0x168a/0x21d0 [ 278.389212] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.393735] ? pvclock_read_flags+0x160/0x160 [ 278.398248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.403803] ? check_preemption_disabled+0x48/0x280 [ 278.408870] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 278.414411] ? rcu_pm_notify+0xc0/0xc0 [ 278.418338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.423907] ? check_preemption_disabled+0x48/0x280 [ 278.428928] run_timer_softirq+0x52/0xb0 [ 278.432991] ? rcu_read_lock_sched_held+0x14f/0x180 [ 278.438014] __do_softirq+0x308/0xb7e [ 278.441822] ? retint_kernel+0x2d/0x2d [ 278.445723] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 278.450829] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.456297] ? finish_task_switch+0x2f4/0x910 [ 278.460814] ? schedule+0x108/0x460 [ 278.464459] ? trace_hardirqs_off+0xb8/0x310 [ 278.468878] ? smpboot_thread_fn+0x68b/0xa00 [ 278.473301] ? trace_hardirqs_on+0x310/0x310 [ 278.477714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.483286] ? check_preemption_disabled+0x48/0x280 [ 278.488309] ? takeover_tasklets+0xa90/0xa90 [ 278.492719] run_ksoftirqd+0x5e/0x100 [ 278.496519] smpboot_thread_fn+0x68b/0xa00 [ 278.500776] ? sort_range+0x30/0x30 [ 278.504404] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.509506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.515046] ? __kthread_parkme+0xfb/0x1a0 [ 278.519283] ? sort_range+0x30/0x30 [ 278.522914] kthread+0x35a/0x440 [ 278.526282] ? kthread_stop+0x900/0x900 [ 278.530258] ret_from_fork+0x3a/0x50 [ 278.533993] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 278.534064] aoe: skb alloc failure [ 278.541356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.541362] Call Trace: [ 278.541374] [ 278.541391] dump_stack+0x244/0x39d [ 278.541410] ? dump_stack_print_info.cold.1+0x20/0x20 [ 278.544988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.554315] warn_alloc.cold.116+0xb7/0x1bd [ 278.556881] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 278.559040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.591969] ? lock_downgrade+0x900/0x900 [ 278.596140] ? trace_hardirqs_off+0xb8/0x310 [ 278.600560] ? trace_hardirqs_off+0xb8/0x310 [ 278.604982] __alloc_pages_slowpath+0x2651/0x2de0 [ 278.609871] ? warn_alloc+0x120/0x120 [ 278.613682] ? warn_alloc+0x120/0x120 [ 278.617487] ? zap_class+0x640/0x640 [ 278.621210] ? warn_alloc+0x120/0x120 [ 278.625027] ? print_usage_bug+0xc0/0xc0 [ 278.629103] ? print_usage_bug+0xc0/0xc0 [ 278.633170] ? __lock_is_held+0xb5/0x140 [ 278.637250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.642786] ? should_fail+0x22d/0xd01 [ 278.646679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.651782] ? __lock_acquire+0x62f/0x4c20 [ 278.656026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.661128] ? __lock_acquire+0x62f/0x4c20 [ 278.665370] ? should_fail+0x22d/0xd01 [ 278.669271] ? mark_held_locks+0x130/0x130 [ 278.673508] ? mark_held_locks+0x130/0x130 [ 278.677748] ? __lock_acquire+0x62f/0x4c20 [ 278.681994] ? lock_downgrade+0x900/0x900 [ 278.686147] ? check_preemption_disabled+0x48/0x280 [ 278.691177] ? zap_class+0x640/0x640 [ 278.694902] ? print_usage_bug+0xc0/0xc0 [ 278.698974] ? kasan_check_read+0x11/0x20 [ 278.703130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.708680] ? check_preemption_disabled+0x48/0x280 [ 278.713707] ? __lock_is_held+0xb5/0x140 [ 278.717779] __alloc_pages_nodemask+0xad8/0xea0 [ 278.722465] ? zap_class+0x640/0x640 [ 278.726186] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 278.731229] ? find_held_lock+0x36/0x1c0 [ 278.735299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.739973] ? lock_downgrade+0x900/0x900 [ 278.744131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.749724] cache_grow_begin+0xa5/0x8c0 [ 278.753807] ? do_raw_spin_unlock+0xa7/0x330 [ 278.758238] fallback_alloc+0x204/0x2e0 [ 278.762220] ____cache_alloc_node+0x1c7/0x1e0 [ 278.766723] kmem_cache_alloc_node+0xe3/0x730 [ 278.771225] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.775472] __alloc_skb+0x119/0x770 [ 278.779206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.784489] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.788916] ? lock_downgrade+0x900/0x900 [ 278.793087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.798656] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.804112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.809576] ? addrconf_rs_timer+0x690/0x690 [ 278.813999] ndisc_alloc_skb+0x144/0x340 [ 278.818071] ndisc_send_rs+0x331/0x6e0 [ 278.821966] addrconf_rs_timer+0x314/0x690 [ 278.826214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.830463] call_timer_fn+0x272/0x920 [ 278.834376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.838613] ? process_timeout+0x40/0x40 [ 278.842695] ? __run_timers+0x7da/0xc70 [ 278.846691] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.851188] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.855696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.859933] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.864517] ? trace_hardirqs_on+0xbd/0x310 [ 278.868837] ? kasan_check_read+0x11/0x20 [ 278.872998] ? __run_timers+0x7da/0xc70 [ 278.876977] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.882093] ? inet_twsk_kill+0x670/0x670 [ 278.886247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.890498] __run_timers+0x7e5/0xc70 [ 278.894321] ? timer_fixup_init+0x70/0x70 [ 278.898474] ? kasan_check_read+0x11/0x20 [ 278.902627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.907908] ? rcu_softirq_qs+0x20/0x20 [ 278.911887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.917426] ? check_preemption_disabled+0x48/0x280 [ 278.922450] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.927214] ? retint_kernel+0x2d/0x2d [ 278.931104] ? trace_hardirqs_on_caller+0xc0/0x310 [ 278.936037] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.940810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.946275] ? zap_class+0x640/0x640 [ 278.949995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.955537] ? check_preemption_disabled+0x48/0x280 [ 278.960560] ? __lock_is_held+0xb5/0x140 [ 278.964674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.970223] ? check_preemption_disabled+0x48/0x280 [ 278.975249] run_timer_softirq+0x52/0xb0 [ 278.979317] ? rcu_read_lock_sched_held+0x14f/0x180 [ 278.984335] __do_softirq+0x308/0xb7e [ 278.988147] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 278.992653] ? lock_downgrade+0x900/0x900 [ 278.996812] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 279.001932] ? pvclock_read_flags+0x160/0x160 [ 279.006466] ? lapic_next_event+0x5a/0x90 [ 279.010617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.016166] ? kvm_clock_read+0x18/0x30 [ 279.020142] ? kvm_sched_clock_read+0x9/0x20 [ 279.024555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.030094] ? check_preemption_disabled+0x48/0x280 [ 279.035120] irq_exit+0x17f/0x1c0 [ 279.038579] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.043424] ? smp_call_function_single_interrupt+0x159/0x650 [ 279.049309] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.055199] ? interrupt_entry+0xb5/0xc0 [ 279.059272] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.064289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.069307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.074151] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.079170] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.084185] ? task_prio+0x50/0x50 [ 279.087726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.093742] ? check_preemption_disabled+0x48/0x280 [ 279.098766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.103645] apic_timer_interrupt+0xf/0x20 [ 279.107872] [ 279.110137] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 279.116023] 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 [ 279.134947] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 279.142669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 279.149944] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 279.157213] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 279.164479] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 279.171764] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 279.179083] ? save_stack+0xa9/0xd0 [ 279.182735] __kmalloc_node_track_caller+0x3c/0x70 [ 279.187674] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 279.192435] pskb_expand_head+0x230/0x10f0 [ 279.196680] ? memcpy+0x45/0x50 [ 279.199967] ? __copy_skb_header+0x350/0x6b0 [ 279.204389] ? skb_release_data+0x880/0x880 [ 279.208712] ? __alloc_skb+0x770/0x770 [ 279.212608] ? __lock_is_held+0xb5/0x140 [ 279.216678] ? kasan_check_write+0x14/0x20 [ 279.220912] ? __skb_clone+0x6c7/0xa00 [ 279.224810] ? __copy_skb_header+0x6b0/0x6b0 [ 279.229216] ? kmem_cache_alloc+0x33a/0x730 [ 279.233542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.239087] skb_ensure_writable+0x3dd/0x640 [ 279.243513] ? skb_checksum_setup+0xaa0/0xaa0 [ 279.248013] ? preempt_notifier_register+0x200/0x200 [ 279.253114] ? __switch_to_asm+0x34/0x70 [ 279.257183] ? __switch_to_asm+0x34/0x70 [ 279.261244] ? __switch_to_asm+0x40/0x70 [ 279.265318] ? __switch_to_asm+0x34/0x70 [ 279.269381] ? __switch_to_asm+0x40/0x70 [ 279.273445] ? __switch_to_asm+0x40/0x70 [ 279.277516] ? __switch_to_asm+0x34/0x70 [ 279.281574] ? __switch_to_asm+0x34/0x70 [ 279.285631] ? __switch_to_asm+0x40/0x70 [ 279.289704] ? __switch_to_asm+0x34/0x70 [ 279.293776] bpf_clone_redirect+0x14a/0x490 [ 279.298111] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 279.303063] ? __sched_text_start+0x8/0x8 [ 279.307229] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 279.311810] ? retint_kernel+0x2d/0x2d [ 279.315707] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.320656] ? find_held_lock+0x36/0x1c0 [ 279.324725] ? lock_acquire+0x1ed/0x520 [ 279.328701] ? bpf_test_run+0x3cb/0x780 [ 279.332677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.338215] ? check_preemption_disabled+0x48/0x280 [ 279.343253] ? kasan_check_read+0x11/0x20 [ 279.347399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.352689] ? rcu_softirq_qs+0x20/0x20 [ 279.356680] ? preempt_schedule+0x4d/0x60 [ 279.360863] ? ___preempt_schedule+0x16/0x18 [ 279.365326] ? bpf_test_run+0x25d/0x780 [ 279.369310] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.373722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.379255] ? bpf_test_init.isra.10+0x70/0x100 [ 279.383946] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 279.388734] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.393575] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.399116] ? fput+0x130/0x1a0 [ 279.402409] ? __bpf_prog_get+0x9b/0x290 [ 279.406488] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.411331] ? bpf_prog_test_run+0x130/0x1a0 [ 279.415745] ? __x64_sys_bpf+0x3d8/0x520 [ 279.419809] ? bpf_prog_get+0x20/0x20 [ 279.423629] ? do_syscall_64+0x1b9/0x820 [ 279.427692] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.433060] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.437987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.442830] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.447879] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.452907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.457760] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.463136] warn_alloc_show_mem: 1 callbacks suppressed [ 279.463148] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 279.463150] Mem-Info: [ 279.463210] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 279.463210] active_file:12 inactive_file:11 isolated_file:0 [ 279.463210] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.463210] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 279.463210] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 279.463210] free:13794 free_pcp:515 free_cma:0 [ 279.468548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.475392] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.477814] Call Trace: [ 279.510704] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 279.520070] dump_stack+0x244/0x39d [ 279.547540] lowmem_reserve[]: 0 2818 6321 6321 [ 279.550140] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.576234] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 279.579882] warn_alloc.cold.116+0xb7/0x1bd [ 279.584422] lowmem_reserve[]: 0 0 3503 3503 [ 279.589622] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.617004] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 279.621337] ? lock_downgrade+0x900/0x900 [ 279.625629] lowmem_reserve[]: 0 0 0 0 [ 279.630468] ? trace_hardirqs_off+0xb8/0x310 [ 279.659500] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 279.663649] ? trace_hardirqs_off+0xb8/0x310 [ 279.667421] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 279.671825] __alloc_pages_slowpath+0x2651/0x2de0 [ 279.685358] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 279.689783] ? warn_alloc+0x120/0x120 [ 279.704738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.709568] ? warn_alloc+0x120/0x120 [ 279.724548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.728338] ? warn_alloc+0x120/0x120 [ 279.737147] 267 total pagecache pages [ 279.740943] ? print_usage_bug+0xc0/0xc0 [ 279.749508] 0 pages in swap cache [ 279.753297] ? print_usage_bug+0xc0/0xc0 [ 279.757076] Swap cache stats: add 0, delete 0, find 0/0 [ 279.761126] ? mark_held_locks+0x130/0x130 [ 279.764555] Free swap = 0kB [ 279.768605] ? mark_held_locks+0x130/0x130 [ 279.773942] Total swap = 0kB [ 279.778171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.781162] 1965979 pages RAM [ 279.785391] ? should_fail+0x22d/0xd01 [ 279.788418] 0 pages HighMem/MovableOnly [ 279.793950] ? zap_class+0x640/0x640 [ 279.797035] 342854 pages reserved [ 279.800914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.804876] 0 pages cma reserved [ 279.808581] ? __lock_acquire+0x62f/0x4c20 [ 279.812094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.817137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.817151] ? __lock_acquire+0x62f/0x4c20 [ 279.817166] ? should_fail+0x22d/0xd01 [ 279.820569] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.824762] ? mark_held_locks+0x130/0x130 [ 279.831267] syz-executor0 cpuset=syz0 mems_allowed=0 [ 279.836360] ? mark_held_locks+0x130/0x130 [ 279.868478] ? lock_downgrade+0x900/0x900 [ 279.872631] ? zap_class+0x640/0x640 [ 279.876343] ? zap_class+0x640/0x640 [ 279.880063] ? zap_class+0x640/0x640 [ 279.883780] ? do_raw_spin_unlock+0xa7/0x330 [ 279.888208] ? trace_hardirqs_on+0x310/0x310 [ 279.892619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.898161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.903715] ? check_preemption_disabled+0x48/0x280 [ 279.908741] ? __lock_is_held+0xb5/0x140 [ 279.912818] __alloc_pages_nodemask+0xad8/0xea0 [ 279.917500] ? zap_class+0x640/0x640 [ 279.921218] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 279.926248] ? find_held_lock+0x36/0x1c0 [ 279.930350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.935021] ? lock_downgrade+0x900/0x900 [ 279.939206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.944746] cache_grow_begin+0xa5/0x8c0 [ 279.948820] ? do_raw_spin_unlock+0xa7/0x330 [ 279.953245] fallback_alloc+0x204/0x2e0 [ 279.957224] ____cache_alloc_node+0x1c7/0x1e0 [ 279.962168] kmem_cache_alloc_node+0xe3/0x730 [ 279.966668] ? lockdep_hardirqs_on+0x296/0x5b0 [ 279.971271] __alloc_skb+0x119/0x770 [ 279.974985] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.980355] ? netdev_alloc_frag+0x1f0/0x1f0 [ 279.984793] ? vprintk_default+0x28/0x30 [ 279.988861] ? vprintk_func+0x85/0x181 [ 279.992786] ? printk+0xa7/0xcf [ 279.996066] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 280.000838] new_skb+0x26/0x1c0 [ 280.004135] aoecmd_cfg+0x279/0x7f0 [ 280.007764] ? find_held_lock+0x36/0x1c0 [ 280.011827] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 280.016161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.021712] ? __lock_is_held+0xb5/0x140 [ 280.025833] discover_timer+0x50/0x60 [ 280.029667] call_timer_fn+0x272/0x920 [ 280.033557] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 280.038396] ? process_timeout+0x40/0x40 [ 280.042466] ? __run_timers+0x7da/0xc70 [ 280.046442] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.050937] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.055430] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 280.060275] ? lockdep_hardirqs_on+0x296/0x5b0 [ 280.064886] ? trace_hardirqs_on+0xbd/0x310 [ 280.069210] ? kasan_check_read+0x11/0x20 [ 280.073359] ? __run_timers+0x7da/0xc70 [ 280.077336] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.082460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.086729] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 280.091592] __run_timers+0x7e5/0xc70 [ 280.095405] ? timer_fixup_init+0x70/0x70 [ 280.099566] ? find_held_lock+0x36/0x1c0 [ 280.103636] ? __schedule+0x168a/0x21d0 [ 280.107616] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.112124] ? pvclock_read_flags+0x160/0x160 [ 280.116623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.122177] ? check_preemption_disabled+0x48/0x280 [ 280.127211] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 280.132749] ? rcu_pm_notify+0xc0/0xc0 [ 280.136666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.142203] ? check_preemption_disabled+0x48/0x280 [ 280.147238] run_timer_softirq+0x52/0xb0 [ 280.151298] ? rcu_read_lock_sched_held+0x14f/0x180 [ 280.156318] __do_softirq+0x308/0xb7e [ 280.160122] ? retint_kernel+0x2d/0x2d [ 280.164025] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 280.169129] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.174601] ? finish_task_switch+0x2f4/0x910 [ 280.179105] ? schedule+0x108/0x460 [ 280.182746] ? trace_hardirqs_off+0xb8/0x310 [ 280.187158] ? smpboot_thread_fn+0x68b/0xa00 [ 280.191574] ? trace_hardirqs_on+0x310/0x310 [ 280.196019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.201572] ? check_preemption_disabled+0x48/0x280 [ 280.206589] ? takeover_tasklets+0xa90/0xa90 [ 280.211058] run_ksoftirqd+0x5e/0x100 [ 280.214879] smpboot_thread_fn+0x68b/0xa00 [ 280.219118] ? sort_range+0x30/0x30 [ 280.222751] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.227862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.233409] ? __kthread_parkme+0xfb/0x1a0 [ 280.237647] ? sort_range+0x30/0x30 [ 280.241280] kthread+0x35a/0x440 [ 280.244649] ? kthread_stop+0x900/0x900 [ 280.248628] ret_from_fork+0x3a/0x50 [ 280.252361] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 280.252430] aoe: skb alloc failure [ 280.259727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.259732] Call Trace: [ 280.259739] [ 280.259762] dump_stack+0x244/0x39d [ 280.259784] ? dump_stack_print_info.cold.1+0x20/0x20 [ 280.263334] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.272677] warn_alloc.cold.116+0xb7/0x1bd [ 280.275234] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 280.277383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.310270] ? lock_downgrade+0x900/0x900 [ 280.314432] ? trace_hardirqs_off+0xb8/0x310 [ 280.318859] ? trace_hardirqs_off+0xb8/0x310 [ 280.323281] __alloc_pages_slowpath+0x2651/0x2de0 [ 280.328158] ? warn_alloc+0x120/0x120 [ 280.331967] ? print_usage_bug+0xc0/0xc0 [ 280.336038] ? warn_alloc+0x120/0x120 [ 280.339852] ? warn_alloc+0x120/0x120 [ 280.343657] ? print_usage_bug+0xc0/0xc0 [ 280.347731] ? print_usage_bug+0xc0/0xc0 [ 280.351801] ? __lock_acquire+0x62f/0x4c20 [ 280.356045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.361584] ? should_fail+0x22d/0xd01 [ 280.365480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.370590] ? __lock_acquire+0x62f/0x4c20 [ 280.374829] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.379956] ? __lock_acquire+0x62f/0x4c20 [ 280.384215] ? should_fail+0x22d/0xd01 [ 280.388104] ? find_held_lock+0x36/0x1c0 [ 280.392185] ? mark_held_locks+0x130/0x130 [ 280.396432] ? mark_held_locks+0x130/0x130 [ 280.400668] ? zap_class+0x640/0x640 [ 280.404399] ? zap_class+0x640/0x640 [ 280.408120] ? print_usage_bug+0xc0/0xc0 [ 280.412196] ? do_raw_spin_unlock+0xa7/0x330 [ 280.416604] ? zap_class+0x640/0x640 [ 280.420323] ? print_usage_bug+0xc0/0xc0 [ 280.424401] ? wq_watchdog_touch+0x9c/0xfe [ 280.428644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.434184] ? check_preemption_disabled+0x48/0x280 [ 280.439224] ? __lock_is_held+0xb5/0x140 [ 280.443306] __alloc_pages_nodemask+0xad8/0xea0 [ 280.447982] ? zap_class+0x640/0x640 [ 280.451705] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 280.456733] ? find_held_lock+0x36/0x1c0 [ 280.460804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.465477] ? lock_downgrade+0x900/0x900 [ 280.469640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.475197] cache_grow_begin+0xa5/0x8c0 [ 280.479273] ? do_raw_spin_unlock+0xa7/0x330 [ 280.483691] fallback_alloc+0x204/0x2e0 [ 280.487676] ____cache_alloc_node+0x1c7/0x1e0 [ 280.492194] kmem_cache_alloc_node+0xe3/0x730 [ 280.496692] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.500943] __alloc_skb+0x119/0x770 [ 280.504673] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.509977] ? netdev_alloc_frag+0x1f0/0x1f0 [ 280.514391] ? lock_downgrade+0x900/0x900 [ 280.518548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.524088] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.529558] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.535016] ? addrconf_rs_timer+0x690/0x690 [ 280.539439] ndisc_alloc_skb+0x144/0x340 [ 280.543504] ndisc_send_rs+0x331/0x6e0 [ 280.547397] addrconf_rs_timer+0x314/0x690 [ 280.551637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.555889] call_timer_fn+0x272/0x920 [ 280.559777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.564029] ? process_timeout+0x40/0x40 [ 280.568186] ? __run_timers+0x7da/0xc70 [ 280.572164] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.576656] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.581151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.585404] ? lockdep_hardirqs_on+0x296/0x5b0 [ 280.590022] ? trace_hardirqs_on+0xbd/0x310 [ 280.594361] ? kasan_check_read+0x11/0x20 [ 280.598510] ? __run_timers+0x7da/0xc70 [ 280.602486] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.607608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.611853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.616087] __run_timers+0x7e5/0xc70 [ 280.619912] ? timer_fixup_init+0x70/0x70 [ 280.624064] ? kasan_check_read+0x11/0x20 [ 280.628230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.633548] ? rcu_softirq_qs+0x20/0x20 [ 280.637524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.643064] ? check_preemption_disabled+0x48/0x280 [ 280.648094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.652859] ? retint_kernel+0x2d/0x2d [ 280.656748] ? trace_hardirqs_on_caller+0xc0/0x310 [ 280.661675] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.666433] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.671893] ? zap_class+0x640/0x640 [ 280.675614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.681180] ? check_preemption_disabled+0x48/0x280 [ 280.686234] ? __lock_is_held+0xb5/0x140 [ 280.690323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.695867] ? check_preemption_disabled+0x48/0x280 [ 280.700897] run_timer_softirq+0x52/0xb0 [ 280.704962] ? rcu_read_lock_sched_held+0x14f/0x180 [ 280.709982] __do_softirq+0x308/0xb7e [ 280.713786] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 280.718283] ? lock_downgrade+0x900/0x900 [ 280.722468] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 280.727581] ? pvclock_read_flags+0x160/0x160 [ 280.732083] ? lapic_next_event+0x5a/0x90 [ 280.736235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.741780] ? kvm_clock_read+0x18/0x30 [ 280.745752] ? kvm_sched_clock_read+0x9/0x20 [ 280.750163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.755704] ? check_preemption_disabled+0x48/0x280 [ 280.760732] irq_exit+0x17f/0x1c0 [ 280.764192] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.769037] ? smp_call_function_single_interrupt+0x159/0x650 [ 280.774925] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.780810] ? interrupt_entry+0xb5/0xc0 [ 280.784883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.789904] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.794927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.799776] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.804793] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.809810] ? task_prio+0x50/0x50 [ 280.813361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.818922] ? check_preemption_disabled+0x48/0x280 [ 280.823979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.828863] apic_timer_interrupt+0xf/0x20 [ 280.833135] [ 280.835379] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 280.841266] 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 [ 280.860169] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.867875] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 280.875153] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 280.882436] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 280.889718] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 280.896987] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 280.904284] ? save_stack+0xa9/0xd0 [ 280.907924] __kmalloc_node_track_caller+0x3c/0x70 [ 280.912866] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 280.917667] pskb_expand_head+0x230/0x10f0 [ 280.921911] ? memcpy+0x45/0x50 [ 280.925192] ? __copy_skb_header+0x350/0x6b0 [ 280.929602] ? skb_release_data+0x880/0x880 [ 280.933926] ? __alloc_skb+0x770/0x770 [ 280.937821] ? __lock_is_held+0xb5/0x140 [ 280.941902] ? kasan_check_write+0x14/0x20 [ 280.946137] ? __skb_clone+0x6c7/0xa00 [ 280.950030] ? __copy_skb_header+0x6b0/0x6b0 [ 280.954439] ? kmem_cache_alloc+0x33a/0x730 [ 280.958763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.964303] skb_ensure_writable+0x3dd/0x640 [ 280.968715] ? skb_checksum_setup+0xaa0/0xaa0 [ 280.973211] ? preempt_notifier_register+0x200/0x200 [ 280.978311] ? __switch_to_asm+0x34/0x70 [ 280.982379] ? __switch_to_asm+0x34/0x70 [ 280.986444] ? __switch_to_asm+0x40/0x70 [ 280.990502] ? __switch_to_asm+0x34/0x70 [ 280.994570] ? __switch_to_asm+0x40/0x70 [ 280.998688] ? __switch_to_asm+0x40/0x70 [ 281.002744] ? __switch_to_asm+0x34/0x70 [ 281.006806] ? __switch_to_asm+0x34/0x70 [ 281.010879] ? __switch_to_asm+0x40/0x70 [ 281.014959] ? __switch_to_asm+0x34/0x70 [ 281.019025] bpf_clone_redirect+0x14a/0x490 [ 281.023366] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 281.028320] ? __sched_text_start+0x8/0x8 [ 281.032486] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.037096] ? retint_kernel+0x2d/0x2d [ 281.041001] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.045939] ? find_held_lock+0x36/0x1c0 [ 281.050009] ? lock_acquire+0x1ed/0x520 [ 281.053984] ? bpf_test_run+0x3cb/0x780 [ 281.057966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.063525] ? check_preemption_disabled+0x48/0x280 [ 281.068547] ? kasan_check_read+0x11/0x20 [ 281.072696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.077991] ? rcu_softirq_qs+0x20/0x20 [ 281.081971] ? preempt_schedule+0x4d/0x60 [ 281.086120] ? ___preempt_schedule+0x16/0x18 [ 281.091004] ? bpf_test_run+0x25d/0x780 [ 281.094993] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.099413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.104951] ? bpf_test_init.isra.10+0x70/0x100 [ 281.109625] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 281.114401] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 281.119243] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.124780] ? fput+0x130/0x1a0 [ 281.128066] ? __bpf_prog_get+0x9b/0x290 [ 281.132133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 281.136977] ? bpf_prog_test_run+0x130/0x1a0 [ 281.141393] ? __x64_sys_bpf+0x3d8/0x520 [ 281.145459] ? bpf_prog_get+0x20/0x20 [ 281.149281] ? do_syscall_64+0x1b9/0x820 [ 281.153343] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.158714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.163642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.168501] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.173521] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.178558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.183414] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.188805] warn_alloc_show_mem: 1 callbacks suppressed [ 281.188817] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 281.188819] Mem-Info: [ 281.188859] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 281.188859] active_file:12 inactive_file:11 isolated_file:0 [ 281.188859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.188859] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 281.188859] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 281.188859] free:13794 free_pcp:515 free_cma:0 [ 281.194200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.201043] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.203442] Call Trace: [ 281.236409] 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 [ 281.245769] dump_stack+0x244/0x39d [ 281.273262] lowmem_reserve[]: 0 2818 6321 6321 [ 281.275866] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.301956] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 281.305594] warn_alloc.cold.116+0xb7/0x1bd [ 281.310131] lowmem_reserve[]: 0 0 3503 3503 [ 281.315325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.342635] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 281.346968] ? lock_downgrade+0x900/0x900 [ 281.351252] lowmem_reserve[]: 0 0 0 0 [ 281.356102] ? trace_hardirqs_off+0xb8/0x310 [ 281.385162] 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 [ 281.389327] ? trace_hardirqs_off+0xb8/0x310 [ 281.393098] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 281.397506] __alloc_pages_slowpath+0x2651/0x2de0 [ 281.411002] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 281.415438] ? warn_alloc+0x120/0x120 [ 281.430400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.435238] ? warn_alloc+0x120/0x120 [ 281.450229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.454024] ? warn_alloc+0x120/0x120 [ 281.462835] 267 total pagecache pages [ 281.466636] ? print_usage_bug+0xc0/0xc0 [ 281.475188] 0 pages in swap cache [ 281.478982] ? print_usage_bug+0xc0/0xc0 [ 281.482761] Swap cache stats: add 0, delete 0, find 0/0 [ 281.486812] ? mark_held_locks+0x130/0x130 [ 281.490245] Free swap = 0kB [ 281.494301] ? mark_held_locks+0x130/0x130 [ 281.499656] Total swap = 0kB [ 281.503894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.506903] 1965979 pages RAM [ 281.511132] ? should_fail+0x22d/0xd01 [ 281.514129] 0 pages HighMem/MovableOnly [ 281.519662] ? zap_class+0x640/0x640 [ 281.522746] 342854 pages reserved [ 281.526632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.530578] 0 pages cma reserved [ 281.534287] ? __lock_acquire+0x62f/0x4c20 [ 281.537787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.542810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.546239] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.550388] ? __lock_acquire+0x62f/0x4c20 [ 281.556860] syz-executor0 cpuset=syz0 mems_allowed=0 [ 281.561964] ? should_fail+0x22d/0xd01 [ 281.585628] ? mark_held_locks+0x130/0x130 [ 281.589881] ? mark_held_locks+0x130/0x130 [ 281.594118] ? lock_downgrade+0x900/0x900 [ 281.598267] ? zap_class+0x640/0x640 [ 281.601987] ? zap_class+0x640/0x640 [ 281.605722] ? zap_class+0x640/0x640 [ 281.609449] ? do_raw_spin_unlock+0xa7/0x330 [ 281.613882] ? trace_hardirqs_on+0x310/0x310 [ 281.618293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.623830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.629401] ? check_preemption_disabled+0x48/0x280 [ 281.634430] ? __lock_is_held+0xb5/0x140 [ 281.638512] __alloc_pages_nodemask+0xad8/0xea0 [ 281.643181] ? zap_class+0x640/0x640 [ 281.646905] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 281.651933] ? find_held_lock+0x36/0x1c0 [ 281.656007] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.660682] ? lock_downgrade+0x900/0x900 [ 281.664843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.670403] cache_grow_begin+0xa5/0x8c0 [ 281.674482] ? do_raw_spin_unlock+0xa7/0x330 [ 281.678972] fallback_alloc+0x204/0x2e0 [ 281.682959] ____cache_alloc_node+0x1c7/0x1e0 [ 281.687475] kmem_cache_alloc_node+0xe3/0x730 [ 281.691977] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.696574] __alloc_skb+0x119/0x770 [ 281.700291] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.705662] ? netdev_alloc_frag+0x1f0/0x1f0 [ 281.710084] ? vprintk_default+0x28/0x30 [ 281.714174] ? vprintk_func+0x85/0x181 [ 281.718072] ? printk+0xa7/0xcf [ 281.721357] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 281.726125] new_skb+0x26/0x1c0 [ 281.729430] aoecmd_cfg+0x279/0x7f0 [ 281.733073] ? find_held_lock+0x36/0x1c0 [ 281.737141] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 281.741480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.747041] ? __lock_is_held+0xb5/0x140 [ 281.751123] discover_timer+0x50/0x60 [ 281.754940] call_timer_fn+0x272/0x920 [ 281.758830] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 281.763688] ? process_timeout+0x40/0x40 [ 281.767761] ? __run_timers+0x7da/0xc70 [ 281.771739] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.776261] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.780761] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 281.785629] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.790216] ? trace_hardirqs_on+0xbd/0x310 [ 281.794537] ? kasan_check_read+0x11/0x20 [ 281.798685] ? __run_timers+0x7da/0xc70 [ 281.802660] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.807775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.812017] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 281.816864] __run_timers+0x7e5/0xc70 [ 281.820687] ? timer_fixup_init+0x70/0x70 [ 281.824858] ? find_held_lock+0x36/0x1c0 [ 281.828942] ? __schedule+0x168a/0x21d0 [ 281.832929] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.837439] ? pvclock_read_flags+0x160/0x160 [ 281.841939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.847479] ? check_preemption_disabled+0x48/0x280 [ 281.852509] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 281.858056] ? rcu_pm_notify+0xc0/0xc0 [ 281.861953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.867498] ? check_preemption_disabled+0x48/0x280 [ 281.872524] run_timer_softirq+0x52/0xb0 [ 281.876585] ? rcu_read_lock_sched_held+0x14f/0x180 [ 281.881604] __do_softirq+0x308/0xb7e [ 281.885418] ? retint_kernel+0x2d/0x2d [ 281.889310] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 281.894416] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.899879] ? finish_task_switch+0x2f4/0x910 [ 281.904383] ? schedule+0x108/0x460 [ 281.908021] ? trace_hardirqs_off+0xb8/0x310 [ 281.912430] ? smpboot_thread_fn+0x68b/0xa00 [ 281.916839] ? trace_hardirqs_on+0x310/0x310 [ 281.921270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.926811] ? check_preemption_disabled+0x48/0x280 [ 281.931833] ? takeover_tasklets+0xa90/0xa90 [ 281.936259] run_ksoftirqd+0x5e/0x100 [ 281.940060] smpboot_thread_fn+0x68b/0xa00 [ 281.944298] ? sort_range+0x30/0x30 [ 281.947941] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.953047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.959061] ? __kthread_parkme+0xfb/0x1a0 [ 281.963303] ? sort_range+0x30/0x30 [ 281.966930] kthread+0x35a/0x440 [ 281.970306] ? kthread_stop+0x900/0x900 [ 281.974333] ret_from_fork+0x3a/0x50 [ 281.978084] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 281.978164] aoe: skb alloc failure [ 281.985455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.985463] Call Trace: [ 281.989053] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.998335] [ 282.000908] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 282.011213] dump_stack+0x244/0x39d [ 282.021625] ? dump_stack_print_info.cold.1+0x20/0x20 [ 282.026827] warn_alloc.cold.116+0xb7/0x1bd [ 282.031162] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.036013] ? lock_downgrade+0x900/0x900 [ 282.040170] ? trace_hardirqs_off+0xb8/0x310 [ 282.044588] ? trace_hardirqs_off+0xb8/0x310 [ 282.049028] __alloc_pages_slowpath+0x2651/0x2de0 [ 282.053905] ? warn_alloc+0x120/0x120 [ 282.057710] ? print_usage_bug+0xc0/0xc0 [ 282.061773] ? warn_alloc+0x120/0x120 [ 282.065578] ? warn_alloc+0x120/0x120 [ 282.069398] ? print_usage_bug+0xc0/0xc0 [ 282.073461] ? kvm_clock_read+0x18/0x30 [ 282.077440] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 282.082476] ? print_usage_bug+0xc0/0xc0 [ 282.086543] ? __lock_acquire+0x62f/0x4c20 [ 282.090784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.096323] ? should_fail+0x22d/0xd01 [ 282.100215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.105495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.110600] ? __lock_acquire+0x62f/0x4c20 [ 282.114839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.119954] ? __lock_acquire+0x62f/0x4c20 [ 282.124190] ? should_fail+0x22d/0xd01 [ 282.128086] ? rcu_irq_exit+0x1a2/0x390 [ 282.132072] ? mark_held_locks+0x130/0x130 [ 282.136313] ? mark_held_locks+0x130/0x130 [ 282.140554] ? mark_held_locks+0xc7/0x130 [ 282.144706] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 282.149724] ? zap_class+0x640/0x640 [ 282.153443] ? print_usage_bug+0xc0/0xc0 [ 282.157509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.163052] ? check_preemption_disabled+0x48/0x280 [ 282.168079] ? __lock_is_held+0xb5/0x140 [ 282.172150] __alloc_pages_nodemask+0xad8/0xea0 [ 282.176824] ? zap_class+0x640/0x640 [ 282.180553] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 282.185580] ? find_held_lock+0x36/0x1c0 [ 282.189653] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.194327] ? lock_downgrade+0x900/0x900 [ 282.198485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.204031] cache_grow_begin+0xa5/0x8c0 [ 282.208096] ? do_raw_spin_unlock+0xa7/0x330 [ 282.212514] fallback_alloc+0x204/0x2e0 [ 282.216498] ____cache_alloc_node+0x1c7/0x1e0 [ 282.221018] kmem_cache_alloc_node+0xe3/0x730 [ 282.225520] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.229770] __alloc_skb+0x119/0x770 [ 282.233483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.238771] ? netdev_alloc_frag+0x1f0/0x1f0 [ 282.243184] ? lock_downgrade+0x900/0x900 [ 282.247361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.252905] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.258359] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.263819] ? addrconf_rs_timer+0x690/0x690 [ 282.268262] ndisc_alloc_skb+0x144/0x340 [ 282.272328] ndisc_send_rs+0x331/0x6e0 [ 282.276222] addrconf_rs_timer+0x314/0x690 [ 282.280472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.284721] call_timer_fn+0x272/0x920 [ 282.288607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.292840] ? process_timeout+0x40/0x40 [ 282.296920] ? __run_timers+0x7da/0xc70 [ 282.300896] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.305393] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.309900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.314139] ? lockdep_hardirqs_on+0x296/0x5b0 [ 282.318727] ? trace_hardirqs_on+0xbd/0x310 [ 282.323056] ? kasan_check_read+0x11/0x20 [ 282.327207] ? __run_timers+0x7da/0xc70 [ 282.331183] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.336291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.340550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.344798] __run_timers+0x7e5/0xc70 [ 282.348611] ? timer_fixup_init+0x70/0x70 [ 282.352772] ? kasan_check_read+0x11/0x20 [ 282.356918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.362198] ? rcu_softirq_qs+0x20/0x20 [ 282.366178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.371717] ? check_preemption_disabled+0x48/0x280 [ 282.376741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.381503] ? retint_kernel+0x2d/0x2d [ 282.385393] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.390352] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.395142] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.400595] ? zap_class+0x640/0x640 [ 282.404332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.409908] ? check_preemption_disabled+0x48/0x280 [ 282.414938] ? __lock_is_held+0xb5/0x140 [ 282.419000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.424538] ? check_preemption_disabled+0x48/0x280 [ 282.429565] run_timer_softirq+0x52/0xb0 [ 282.433628] ? rcu_read_lock_sched_held+0x14f/0x180 [ 282.438648] __do_softirq+0x308/0xb7e [ 282.442457] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 282.446951] ? lock_downgrade+0x900/0x900 [ 282.451108] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 282.456231] ? pvclock_read_flags+0x160/0x160 [ 282.460761] ? lapic_next_event+0x5a/0x90 [ 282.464913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.470462] ? kvm_clock_read+0x18/0x30 [ 282.474438] ? kvm_sched_clock_read+0x9/0x20 [ 282.478858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.484407] ? check_preemption_disabled+0x48/0x280 [ 282.489435] irq_exit+0x17f/0x1c0 [ 282.492897] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.497740] ? smp_call_function_single_interrupt+0x159/0x650 [ 282.503629] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.509513] ? interrupt_entry+0xb5/0xc0 [ 282.513580] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.518597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.523615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.528463] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.533478] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.538493] ? task_prio+0x50/0x50 [ 282.542036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.547595] ? check_preemption_disabled+0x48/0x280 [ 282.552618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.557506] apic_timer_interrupt+0xf/0x20 [ 282.561734] [ 282.563988] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 282.569884] 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 [ 282.588789] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.596498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.603765] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 282.611033] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 282.618302] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 282.625573] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 282.632883] ? save_stack+0xa9/0xd0 [ 282.636529] __kmalloc_node_track_caller+0x3c/0x70 [ 282.641465] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 282.646228] pskb_expand_head+0x230/0x10f0 [ 282.650486] ? memcpy+0x45/0x50 [ 282.653771] ? __copy_skb_header+0x350/0x6b0 [ 282.658181] ? skb_release_data+0x880/0x880 [ 282.662518] ? __alloc_skb+0x770/0x770 [ 282.666413] ? __lock_is_held+0xb5/0x140 [ 282.670482] ? kasan_check_write+0x14/0x20 [ 282.674720] ? __skb_clone+0x6c7/0xa00 [ 282.678610] ? __copy_skb_header+0x6b0/0x6b0 [ 282.683036] ? kmem_cache_alloc+0x33a/0x730 [ 282.687366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.692920] skb_ensure_writable+0x3dd/0x640 [ 282.697350] ? skb_checksum_setup+0xaa0/0xaa0 [ 282.701865] ? preempt_notifier_register+0x200/0x200 [ 282.706972] ? __switch_to_asm+0x34/0x70 [ 282.711035] ? __switch_to_asm+0x34/0x70 [ 282.715096] ? __switch_to_asm+0x40/0x70 [ 282.719158] ? __switch_to_asm+0x34/0x70 [ 282.723221] ? __switch_to_asm+0x40/0x70 [ 282.727284] ? __switch_to_asm+0x40/0x70 [ 282.731345] ? __switch_to_asm+0x34/0x70 [ 282.735413] ? __switch_to_asm+0x34/0x70 [ 282.739472] ? __switch_to_asm+0x40/0x70 [ 282.743542] ? __switch_to_asm+0x34/0x70 [ 282.747607] bpf_clone_redirect+0x14a/0x490 [ 282.751951] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 282.756884] ? __sched_text_start+0x8/0x8 [ 282.761043] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 282.765625] ? retint_kernel+0x2d/0x2d [ 282.769533] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.774483] ? find_held_lock+0x36/0x1c0 [ 282.778569] ? lock_acquire+0x1ed/0x520 [ 282.782544] ? bpf_test_run+0x3cb/0x780 [ 282.786519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.792081] ? check_preemption_disabled+0x48/0x280 [ 282.797106] ? kasan_check_read+0x11/0x20 [ 282.801262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.806543] ? rcu_softirq_qs+0x20/0x20 [ 282.810524] ? preempt_schedule+0x4d/0x60 [ 282.814677] ? ___preempt_schedule+0x16/0x18 [ 282.819099] ? bpf_test_run+0x25d/0x780 [ 282.823087] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.827501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.833046] ? bpf_test_init.isra.10+0x70/0x100 [ 282.837725] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 282.842503] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.847347] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.852894] ? fput+0x130/0x1a0 [ 282.856205] ? __bpf_prog_get+0x9b/0x290 [ 282.860275] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.865118] ? bpf_prog_test_run+0x130/0x1a0 [ 282.869531] ? __x64_sys_bpf+0x3d8/0x520 [ 282.873598] ? bpf_prog_get+0x20/0x20 [ 282.877428] ? do_syscall_64+0x1b9/0x820 [ 282.881493] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.886868] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.891799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.896650] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.901673] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.906695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.911549] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.916936] warn_alloc_show_mem: 1 callbacks suppressed [ 282.916948] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 282.916950] Mem-Info: [ 282.916981] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 282.916981] active_file:12 inactive_file:11 isolated_file:0 [ 282.916981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.916981] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 282.916981] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 282.916981] free:13794 free_pcp:515 free_cma:0 [ 282.922322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.929176] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.931576] Call Trace: [ 282.964473] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 282.973866] dump_stack+0x244/0x39d [ 283.001340] lowmem_reserve[]: 0 2818 6321 6321 [ 283.003930] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.030023] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 283.033652] warn_alloc.cold.116+0xb7/0x1bd [ 283.038200] lowmem_reserve[]: 0 0 3503 3503 [ 283.043389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.070702] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 283.075021] ? lock_downgrade+0x900/0x900 [ 283.079341] lowmem_reserve[]: 0 0 0 0 [ 283.084180] ? trace_hardirqs_off+0xb8/0x310 [ 283.113732] 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 [ 283.117904] ? trace_hardirqs_off+0xb8/0x310 [ 283.121672] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 283.126080] __alloc_pages_slowpath+0x2651/0x2de0 [ 283.139577] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 283.143997] ? warn_alloc+0x120/0x120 [ 283.158957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.163785] ? warn_alloc+0x120/0x120 [ 283.178785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.182571] ? warn_alloc+0x120/0x120 [ 283.191385] 267 total pagecache pages [ 283.195178] ? print_usage_bug+0xc0/0xc0 [ 283.203749] 0 pages in swap cache [ 283.207550] ? print_usage_bug+0xc0/0xc0 [ 283.211328] Swap cache stats: add 0, delete 0, find 0/0 [ 283.215385] ? mark_held_locks+0x130/0x130 [ 283.218813] Free swap = 0kB [ 283.222875] ? mark_held_locks+0x130/0x130 [ 283.228223] Total swap = 0kB [ 283.232453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.235452] 1965979 pages RAM [ 283.239687] ? should_fail+0x22d/0xd01 [ 283.242683] 0 pages HighMem/MovableOnly [ 283.248210] ? zap_class+0x640/0x640 [ 283.251293] 342854 pages reserved [ 283.255176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.259141] 0 pages cma reserved [ 283.262891] ? __lock_acquire+0x62f/0x4c20 [ 283.266396] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.271409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.274805] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.278974] ? __lock_acquire+0x62f/0x4c20 [ 283.285441] syz-executor0 cpuset=syz0 mems_allowed=0 [ 283.290535] ? should_fail+0x22d/0xd01 [ 283.314194] ? mark_held_locks+0x130/0x130 [ 283.318436] ? mark_held_locks+0x130/0x130 [ 283.322666] ? lock_downgrade+0x900/0x900 [ 283.326817] ? zap_class+0x640/0x640 [ 283.330542] ? zap_class+0x640/0x640 [ 283.334252] ? do_raw_spin_unlock+0xa7/0x330 [ 283.338662] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.343419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.348956] ? check_preemption_disabled+0x48/0x280 [ 283.353996] ? __lock_is_held+0xb5/0x140 [ 283.358064] __alloc_pages_nodemask+0xad8/0xea0 [ 283.362728] ? zap_class+0x640/0x640 [ 283.366443] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 283.371469] ? find_held_lock+0x36/0x1c0 [ 283.375549] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.380230] ? lock_downgrade+0x900/0x900 [ 283.384385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.389921] cache_grow_begin+0xa5/0x8c0 [ 283.393980] ? do_raw_spin_unlock+0xa7/0x330 [ 283.398387] fallback_alloc+0x204/0x2e0 [ 283.402364] ____cache_alloc_node+0x1c7/0x1e0 [ 283.406866] kmem_cache_alloc_node+0xe3/0x730 [ 283.411367] ? lockdep_hardirqs_on+0x296/0x5b0 [ 283.415954] __alloc_skb+0x119/0x770 [ 283.419680] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.425055] ? netdev_alloc_frag+0x1f0/0x1f0 [ 283.429471] ? vprintk_default+0x28/0x30 [ 283.433534] ? vprintk_func+0x85/0x181 [ 283.437437] ? printk+0xa7/0xcf [ 283.440715] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 283.445478] new_skb+0x26/0x1c0 [ 283.448757] aoecmd_cfg+0x279/0x7f0 [ 283.452401] ? find_held_lock+0x36/0x1c0 [ 283.456461] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 283.460804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.466349] ? __lock_is_held+0xb5/0x140 [ 283.470417] discover_timer+0x50/0x60 [ 283.474231] call_timer_fn+0x272/0x920 [ 283.478121] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 283.482964] ? process_timeout+0x40/0x40 [ 283.487031] ? __run_timers+0x7da/0xc70 [ 283.491009] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.495500] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.500008] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 283.504860] ? lockdep_hardirqs_on+0x296/0x5b0 [ 283.509467] ? trace_hardirqs_on+0xbd/0x310 [ 283.513791] ? kasan_check_read+0x11/0x20 [ 283.517939] ? __run_timers+0x7da/0xc70 [ 283.521940] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.527061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.531339] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 283.536179] __run_timers+0x7e5/0xc70 [ 283.539987] ? timer_fixup_init+0x70/0x70 [ 283.544182] ? find_held_lock+0x36/0x1c0 [ 283.548264] ? __schedule+0x168a/0x21d0 [ 283.552241] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.556771] ? pvclock_read_flags+0x160/0x160 [ 283.561266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.566803] ? check_preemption_disabled+0x48/0x280 [ 283.571857] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 283.577404] ? rcu_pm_notify+0xc0/0xc0 [ 283.581289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.586820] ? check_preemption_disabled+0x48/0x280 [ 283.591842] run_timer_softirq+0x52/0xb0 [ 283.595933] ? rcu_read_lock_sched_held+0x14f/0x180 [ 283.600951] __do_softirq+0x308/0xb7e [ 283.604750] ? retint_kernel+0x2d/0x2d [ 283.608641] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 283.613739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.619188] ? finish_task_switch+0x2f4/0x910 [ 283.623704] ? schedule+0x108/0x460 [ 283.627344] ? trace_hardirqs_off+0xb8/0x310 [ 283.631778] ? smpboot_thread_fn+0x68b/0xa00 [ 283.636189] ? trace_hardirqs_on+0x310/0x310 [ 283.640615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.646153] ? check_preemption_disabled+0x48/0x280 [ 283.651174] ? takeover_tasklets+0xa90/0xa90 [ 283.655603] run_ksoftirqd+0x5e/0x100 [ 283.659418] smpboot_thread_fn+0x68b/0xa00 [ 283.663658] ? sort_range+0x30/0x30 [ 283.667285] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.672388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.677945] ? __kthread_parkme+0xfb/0x1a0 [ 283.682184] ? sort_range+0x30/0x30 [ 283.685815] kthread+0x35a/0x440 [ 283.689194] ? kthread_stop+0x900/0x900 [ 283.693173] ret_from_fork+0x3a/0x50 [ 283.696929] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 283.696992] aoe: skb alloc failure [ 283.704288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.704297] Call Trace: [ 283.707903] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.717175] [ 283.719744] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 283.730052] dump_stack+0x244/0x39d [ 283.740458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.745662] warn_alloc.cold.116+0xb7/0x1bd [ 283.749989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.754837] ? lock_downgrade+0x900/0x900 [ 283.759009] ? trace_hardirqs_off+0xb8/0x310 [ 283.763430] ? trace_hardirqs_off+0xb8/0x310 [ 283.767855] __alloc_pages_slowpath+0x2651/0x2de0 [ 283.772755] ? warn_alloc+0x120/0x120 [ 283.776556] ? print_usage_bug+0xc0/0xc0 [ 283.780617] ? warn_alloc+0x120/0x120 [ 283.784421] ? zap_class+0x640/0x640 [ 283.788148] ? warn_alloc+0x120/0x120 [ 283.791951] ? print_usage_bug+0xc0/0xc0 [ 283.796017] ? print_usage_bug+0xc0/0xc0 [ 283.800079] ? __lock_acquire+0x62f/0x4c20 [ 283.804331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.809872] ? should_fail+0x22d/0xd01 [ 283.813794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.818896] ? __lock_acquire+0x62f/0x4c20 [ 283.823135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.828232] ? __lock_acquire+0x62f/0x4c20 [ 283.832459] ? should_fail+0x22d/0xd01 [ 283.836343] ? find_held_lock+0x36/0x1c0 [ 283.840413] ? mark_held_locks+0x130/0x130 [ 283.844664] ? mark_held_locks+0x130/0x130 [ 283.848897] ? zap_class+0x640/0x640 [ 283.852606] ? zap_class+0x640/0x640 [ 283.856330] ? print_usage_bug+0xc0/0xc0 [ 283.860402] ? do_raw_spin_unlock+0xa7/0x330 [ 283.864807] ? zap_class+0x640/0x640 [ 283.868542] ? print_usage_bug+0xc0/0xc0 [ 283.872596] ? wq_watchdog_touch+0x9c/0xfe [ 283.876868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.882410] ? check_preemption_disabled+0x48/0x280 [ 283.887449] ? __lock_is_held+0xb5/0x140 [ 283.891515] __alloc_pages_nodemask+0xad8/0xea0 [ 283.896187] ? zap_class+0x640/0x640 [ 283.899935] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 283.904965] ? find_held_lock+0x36/0x1c0 [ 283.909034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.913707] ? lock_downgrade+0x900/0x900 [ 283.917893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.923436] cache_grow_begin+0xa5/0x8c0 [ 283.927491] ? do_raw_spin_unlock+0xa7/0x330 [ 283.931899] fallback_alloc+0x204/0x2e0 [ 283.935901] ____cache_alloc_node+0x1c7/0x1e0 [ 283.940417] kmem_cache_alloc_node+0xe3/0x730 [ 283.944927] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.949187] __alloc_skb+0x119/0x770 [ 283.952895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.958177] ? netdev_alloc_frag+0x1f0/0x1f0 [ 283.962580] ? lock_downgrade+0x900/0x900 [ 283.966728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.972276] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.977727] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.983173] ? addrconf_rs_timer+0x690/0x690 [ 283.987586] ndisc_alloc_skb+0x144/0x340 [ 283.991646] ndisc_send_rs+0x331/0x6e0 [ 283.995537] addrconf_rs_timer+0x314/0x690 [ 283.999779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.004029] call_timer_fn+0x272/0x920 [ 284.007915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.012165] ? process_timeout+0x40/0x40 [ 284.016237] ? __run_timers+0x7da/0xc70 [ 284.020214] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.024712] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.029203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.033439] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.038022] ? trace_hardirqs_on+0xbd/0x310 [ 284.042340] ? kasan_check_read+0x11/0x20 [ 284.046501] ? __run_timers+0x7da/0xc70 [ 284.050487] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.055592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.059890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.064132] __run_timers+0x7e5/0xc70 [ 284.067939] ? timer_fixup_init+0x70/0x70 [ 284.072112] ? kasan_check_read+0x11/0x20 [ 284.076256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.081531] ? rcu_softirq_qs+0x20/0x20 [ 284.085508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.091042] ? check_preemption_disabled+0x48/0x280 [ 284.096059] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.100811] ? retint_kernel+0x2d/0x2d [ 284.104695] ? trace_hardirqs_on_caller+0xc0/0x310 [ 284.109637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.114394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.119844] ? zap_class+0x640/0x640 [ 284.123577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.129117] ? check_preemption_disabled+0x48/0x280 [ 284.134139] ? __lock_is_held+0xb5/0x140 [ 284.138228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.143778] ? check_preemption_disabled+0x48/0x280 [ 284.148814] run_timer_softirq+0x52/0xb0 [ 284.152914] ? rcu_read_lock_sched_held+0x14f/0x180 [ 284.157931] __do_softirq+0x308/0xb7e [ 284.161732] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.166223] ? lock_downgrade+0x900/0x900 [ 284.170379] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 284.175489] ? pvclock_read_flags+0x160/0x160 [ 284.179989] ? lapic_next_event+0x5a/0x90 [ 284.184136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.189681] ? kvm_clock_read+0x18/0x30 [ 284.193679] ? kvm_sched_clock_read+0x9/0x20 [ 284.198085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.203636] ? check_preemption_disabled+0x48/0x280 [ 284.208655] irq_exit+0x17f/0x1c0 [ 284.212107] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.216985] ? smp_call_function_single_interrupt+0x159/0x650 [ 284.222878] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.228805] ? interrupt_entry+0xb5/0xc0 [ 284.232873] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.237893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.242951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.247806] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.252835] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.257859] ? task_prio+0x50/0x50 [ 284.261401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.266941] ? check_preemption_disabled+0x48/0x280 [ 284.271980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.276843] apic_timer_interrupt+0xf/0x20 [ 284.281109] [ 284.283361] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 284.289265] 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 [ 284.308161] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.315887] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.323201] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 284.330482] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 284.337749] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 284.345072] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 284.352362] ? save_stack+0xa9/0xd0 [ 284.356002] __kmalloc_node_track_caller+0x3c/0x70 [ 284.360940] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 284.365710] pskb_expand_head+0x230/0x10f0 [ 284.369949] ? memcpy+0x45/0x50 [ 284.373235] ? __copy_skb_header+0x350/0x6b0 [ 284.377639] ? skb_release_data+0x880/0x880 [ 284.381961] ? __alloc_skb+0x770/0x770 [ 284.385860] ? __lock_is_held+0xb5/0x140 [ 284.389958] ? kasan_check_write+0x14/0x20 [ 284.394191] ? __skb_clone+0x6c7/0xa00 [ 284.398081] ? __copy_skb_header+0x6b0/0x6b0 [ 284.402484] ? kmem_cache_alloc+0x33a/0x730 [ 284.406804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.412379] skb_ensure_writable+0x3dd/0x640 [ 284.416792] ? skb_checksum_setup+0xaa0/0xaa0 [ 284.421304] ? preempt_notifier_register+0x200/0x200 [ 284.426401] ? __switch_to_asm+0x34/0x70 [ 284.430460] ? __switch_to_asm+0x34/0x70 [ 284.434515] ? __switch_to_asm+0x40/0x70 [ 284.438568] ? __switch_to_asm+0x34/0x70 [ 284.442625] ? __switch_to_asm+0x40/0x70 [ 284.446700] ? __switch_to_asm+0x40/0x70 [ 284.450771] ? __switch_to_asm+0x34/0x70 [ 284.454841] ? __switch_to_asm+0x34/0x70 [ 284.458904] ? __switch_to_asm+0x40/0x70 [ 284.462973] ? __switch_to_asm+0x34/0x70 [ 284.467057] bpf_clone_redirect+0x14a/0x490 [ 284.471390] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 284.476322] ? __sched_text_start+0x8/0x8 [ 284.480470] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 284.485049] ? retint_kernel+0x2d/0x2d [ 284.488947] ? trace_hardirqs_on_caller+0xc0/0x310 [ 284.493886] ? find_held_lock+0x36/0x1c0 [ 284.497953] ? lock_acquire+0x1ed/0x520 [ 284.501924] ? bpf_test_run+0x3cb/0x780 [ 284.505896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.511436] ? check_preemption_disabled+0x48/0x280 [ 284.516455] ? kasan_check_read+0x11/0x20 [ 284.520600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.525882] ? rcu_softirq_qs+0x20/0x20 [ 284.529893] ? preempt_schedule+0x4d/0x60 [ 284.534042] ? ___preempt_schedule+0x16/0x18 [ 284.538472] ? bpf_test_run+0x25d/0x780 [ 284.542454] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.546872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.552409] ? bpf_test_init.isra.10+0x70/0x100 [ 284.557095] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 284.561875] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.566712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.572245] ? fput+0x130/0x1a0 [ 284.575542] ? __bpf_prog_get+0x9b/0x290 [ 284.579606] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.584457] ? bpf_prog_test_run+0x130/0x1a0 [ 284.588871] ? __x64_sys_bpf+0x3d8/0x520 [ 284.592931] ? bpf_prog_get+0x20/0x20 [ 284.596747] ? do_syscall_64+0x1b9/0x820 [ 284.600800] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.606158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.611081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.615922] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.620937] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.625957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.630804] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.636174] warn_alloc_show_mem: 1 callbacks suppressed [ 284.636184] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 284.636185] Mem-Info: [ 284.636214] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 284.636214] active_file:12 inactive_file:11 isolated_file:0 [ 284.636214] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.636214] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 284.636214] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 284.636214] free:13794 free_pcp:515 free_cma:0 [ 284.641555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.648395] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.650809] Call Trace: [ 284.683691] 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 [ 284.693041] dump_stack+0x244/0x39d [ 284.720517] lowmem_reserve[]: 0 2818 6321 6321 [ 284.723101] ? dump_stack_print_info.cold.1+0x20/0x20 [ 284.749184] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 284.752815] warn_alloc.cold.116+0xb7/0x1bd [ 284.757396] lowmem_reserve[]: 0 0 3503 3503 [ 284.762580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.789882] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 284.794220] ? lock_downgrade+0x900/0x900 [ 284.798517] lowmem_reserve[]: 0 0 0 0 [ 284.803351] ? trace_hardirqs_off+0xb8/0x310 [ 284.832391] 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 [ 284.836539] ? trace_hardirqs_off+0xb8/0x310 [ 284.840313] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 284.844718] __alloc_pages_slowpath+0x2651/0x2de0 [ 284.858226] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 284.862639] ? warn_alloc+0x120/0x120 [ 284.877597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.882420] ? warn_alloc+0x120/0x120 [ 284.897400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.901190] ? warn_alloc+0x120/0x120 [ 284.910002] 267 total pagecache pages [ 284.913855] ? print_usage_bug+0xc0/0xc0 [ 284.922412] 0 pages in swap cache [ 284.926216] ? print_usage_bug+0xc0/0xc0 [ 284.929994] Swap cache stats: add 0, delete 0, find 0/0 [ 284.934051] ? mark_held_locks+0x130/0x130 [ 284.937482] Free swap = 0kB [ 284.941536] ? mark_held_locks+0x130/0x130 [ 284.946886] Total swap = 0kB [ 284.951128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.954137] 1965979 pages RAM [ 284.958364] ? should_fail+0x22d/0xd01 [ 284.961366] 0 pages HighMem/MovableOnly [ 284.966900] ? zap_class+0x640/0x640 [ 284.969983] 342854 pages reserved [ 284.973885] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.977828] 0 pages cma reserved [ 284.981543] ? __lock_acquire+0x62f/0x4c20 [ 284.985034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.990066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.990078] ? __lock_acquire+0x62f/0x4c20 [ 284.990094] ? should_fail+0x22d/0xd01 [ 284.993494] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.997673] ? mark_held_locks+0x130/0x130 [ 285.004135] syz-executor0 cpuset=syz0 mems_allowed=0 [ 285.009229] ? mark_held_locks+0x130/0x130 [ 285.041381] ? lock_downgrade+0x900/0x900 [ 285.045533] ? zap_class+0x640/0x640 [ 285.049271] ? zap_class+0x640/0x640 [ 285.052987] ? do_raw_spin_unlock+0xa7/0x330 [ 285.057399] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.062161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.067718] ? check_preemption_disabled+0x48/0x280 [ 285.072759] ? __lock_is_held+0xb5/0x140 [ 285.076827] __alloc_pages_nodemask+0xad8/0xea0 [ 285.081503] ? zap_class+0x640/0x640 [ 285.085223] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 285.090291] ? find_held_lock+0x36/0x1c0 [ 285.094369] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.099042] ? lock_downgrade+0x900/0x900 [ 285.103198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.108739] cache_grow_begin+0xa5/0x8c0 [ 285.112819] ? do_raw_spin_unlock+0xa7/0x330 [ 285.117245] fallback_alloc+0x204/0x2e0 [ 285.121225] ____cache_alloc_node+0x1c7/0x1e0 [ 285.125722] kmem_cache_alloc_node+0xe3/0x730 [ 285.130216] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.134821] __alloc_skb+0x119/0x770 [ 285.138575] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.143940] ? netdev_alloc_frag+0x1f0/0x1f0 [ 285.148354] ? vprintk_default+0x28/0x30 [ 285.152414] ? vprintk_func+0x85/0x181 [ 285.156298] ? printk+0xa7/0xcf [ 285.159572] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 285.164330] new_skb+0x26/0x1c0 [ 285.167606] aoecmd_cfg+0x279/0x7f0 [ 285.171264] ? find_held_lock+0x36/0x1c0 [ 285.175320] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 285.179638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.185206] ? __lock_is_held+0xb5/0x140 [ 285.189274] discover_timer+0x50/0x60 [ 285.193074] call_timer_fn+0x272/0x920 [ 285.196958] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 285.201794] ? process_timeout+0x40/0x40 [ 285.205874] ? __run_timers+0x7da/0xc70 [ 285.209877] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.214374] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.218877] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 285.223749] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.228331] ? trace_hardirqs_on+0xbd/0x310 [ 285.232649] ? kasan_check_read+0x11/0x20 [ 285.236792] ? __run_timers+0x7da/0xc70 [ 285.240765] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.245891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.250131] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 285.254984] __run_timers+0x7e5/0xc70 [ 285.258790] ? timer_fixup_init+0x70/0x70 [ 285.262968] ? find_held_lock+0x36/0x1c0 [ 285.267056] ? __schedule+0x168a/0x21d0 [ 285.271045] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.275547] ? pvclock_read_flags+0x160/0x160 [ 285.280039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.285578] ? check_preemption_disabled+0x48/0x280 [ 285.290602] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 285.296168] ? rcu_pm_notify+0xc0/0xc0 [ 285.300062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.305601] ? check_preemption_disabled+0x48/0x280 [ 285.310622] run_timer_softirq+0x52/0xb0 [ 285.314679] ? rcu_read_lock_sched_held+0x14f/0x180 [ 285.319707] __do_softirq+0x308/0xb7e [ 285.323511] ? retint_kernel+0x2d/0x2d [ 285.327400] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 285.332504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.337955] ? finish_task_switch+0x2f4/0x910 [ 285.342458] ? schedule+0x108/0x460 [ 285.346095] ? trace_hardirqs_off+0xb8/0x310 [ 285.350504] ? smpboot_thread_fn+0x68b/0xa00 [ 285.354949] ? trace_hardirqs_on+0x310/0x310 [ 285.359358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.364899] ? check_preemption_disabled+0x48/0x280 [ 285.369915] ? takeover_tasklets+0xa90/0xa90 [ 285.374323] run_ksoftirqd+0x5e/0x100 [ 285.378138] smpboot_thread_fn+0x68b/0xa00 [ 285.382405] ? sort_range+0x30/0x30 [ 285.386060] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.391207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.396747] ? __kthread_parkme+0xfb/0x1a0 [ 285.400984] ? sort_range+0x30/0x30 [ 285.404634] kthread+0x35a/0x440 [ 285.408001] ? kthread_stop+0x900/0x900 [ 285.411979] ret_from_fork+0x3a/0x50 [ 285.415707] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 285.415760] aoe: skb alloc failure [ 285.423061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.423066] Call Trace: [ 285.423072] [ 285.423088] dump_stack+0x244/0x39d [ 285.423106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 285.426674] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.435979] warn_alloc.cold.116+0xb7/0x1bd [ 285.438548] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 285.440703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.473629] ? lock_downgrade+0x900/0x900 [ 285.477783] ? trace_hardirqs_off+0xb8/0x310 [ 285.482192] ? trace_hardirqs_off+0xb8/0x310 [ 285.486607] __alloc_pages_slowpath+0x2651/0x2de0 [ 285.491471] ? warn_alloc+0x120/0x120 [ 285.495275] ? print_usage_bug+0xc0/0xc0 [ 285.499329] ? warn_alloc+0x120/0x120 [ 285.503132] ? warn_alloc+0x120/0x120 [ 285.506936] ? print_usage_bug+0xc0/0xc0 [ 285.510999] ? print_usage_bug+0xc0/0xc0 [ 285.515073] ? __lock_acquire+0x62f/0x4c20 [ 285.519314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.524899] ? should_fail+0x22d/0xd01 [ 285.528790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.533903] ? __lock_acquire+0x62f/0x4c20 [ 285.538141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.543240] ? __lock_acquire+0x62f/0x4c20 [ 285.547475] ? should_fail+0x22d/0xd01 [ 285.551362] ? find_held_lock+0x36/0x1c0 [ 285.555434] ? mark_held_locks+0x130/0x130 [ 285.559669] ? mark_held_locks+0x130/0x130 [ 285.563916] ? zap_class+0x640/0x640 [ 285.567643] ? zap_class+0x640/0x640 [ 285.571355] ? print_usage_bug+0xc0/0xc0 [ 285.575416] ? do_raw_spin_unlock+0xa7/0x330 [ 285.579822] ? zap_class+0x640/0x640 [ 285.583562] ? print_usage_bug+0xc0/0xc0 [ 285.587619] ? wq_watchdog_touch+0x9c/0xfe [ 285.591891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.597429] ? check_preemption_disabled+0x48/0x280 [ 285.602451] ? __lock_is_held+0xb5/0x140 [ 285.606511] __alloc_pages_nodemask+0xad8/0xea0 [ 285.611176] ? zap_class+0x640/0x640 [ 285.614892] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 285.619933] ? find_held_lock+0x36/0x1c0 [ 285.624016] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.628711] ? lock_downgrade+0x900/0x900 [ 285.632883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.638449] cache_grow_begin+0xa5/0x8c0 [ 285.642520] ? do_raw_spin_unlock+0xa7/0x330 [ 285.646967] fallback_alloc+0x204/0x2e0 [ 285.650943] ____cache_alloc_node+0x1c7/0x1e0 [ 285.655438] kmem_cache_alloc_node+0xe3/0x730 [ 285.659931] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.664187] __alloc_skb+0x119/0x770 [ 285.667896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.673198] ? netdev_alloc_frag+0x1f0/0x1f0 [ 285.677650] ? lock_downgrade+0x900/0x900 [ 285.681818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.687355] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.692809] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.698259] ? addrconf_rs_timer+0x690/0x690 [ 285.702675] ndisc_alloc_skb+0x144/0x340 [ 285.706738] ndisc_send_rs+0x331/0x6e0 [ 285.710630] addrconf_rs_timer+0x314/0x690 [ 285.714882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.719130] call_timer_fn+0x272/0x920 [ 285.723013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.727243] ? process_timeout+0x40/0x40 [ 285.731306] ? __run_timers+0x7da/0xc70 [ 285.735280] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.739770] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.744281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.748512] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.753093] ? trace_hardirqs_on+0xbd/0x310 [ 285.757415] ? kasan_check_read+0x11/0x20 [ 285.761561] ? __run_timers+0x7da/0xc70 [ 285.765536] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.770656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.774903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.779167] __run_timers+0x7e5/0xc70 [ 285.782971] ? timer_fixup_init+0x70/0x70 [ 285.787130] ? kasan_check_read+0x11/0x20 [ 285.791275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.796567] ? rcu_softirq_qs+0x20/0x20 [ 285.800550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.806098] ? check_preemption_disabled+0x48/0x280 [ 285.811150] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.815917] ? retint_kernel+0x2d/0x2d [ 285.819805] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.824749] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.829536] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.835001] ? zap_class+0x640/0x640 [ 285.838721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.844259] ? check_preemption_disabled+0x48/0x280 [ 285.849310] ? __lock_is_held+0xb5/0x140 [ 285.853366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.858906] ? check_preemption_disabled+0x48/0x280 [ 285.863944] run_timer_softirq+0x52/0xb0 [ 285.868018] ? rcu_read_lock_sched_held+0x14f/0x180 [ 285.873031] __do_softirq+0x308/0xb7e [ 285.876831] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 285.881342] ? lock_downgrade+0x900/0x900 [ 285.885520] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 285.890627] ? pvclock_read_flags+0x160/0x160 [ 285.895123] ? lapic_next_event+0x5a/0x90 [ 285.899285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.904838] ? kvm_clock_read+0x18/0x30 [ 285.908817] ? kvm_sched_clock_read+0x9/0x20 [ 285.913235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.918773] ? check_preemption_disabled+0x48/0x280 [ 285.923800] irq_exit+0x17f/0x1c0 [ 285.927258] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.932097] ? smp_call_function_single_interrupt+0x159/0x650 [ 285.937981] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.943867] ? interrupt_entry+0xb5/0xc0 [ 285.947944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.952959] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.957975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.962813] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.967824] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.972841] ? task_prio+0x50/0x50 [ 285.976391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.981927] ? check_preemption_disabled+0x48/0x280 [ 285.986951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.991804] apic_timer_interrupt+0xf/0x20 [ 285.996046] [ 285.998299] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 286.004199] 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 [ 286.023096] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 286.030804] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 286.038067] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 286.045330] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 286.052593] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 286.059880] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 286.067170] ? save_stack+0xa9/0xd0 [ 286.070806] __kmalloc_node_track_caller+0x3c/0x70 [ 286.075737] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 286.080500] pskb_expand_head+0x230/0x10f0 [ 286.084775] ? memcpy+0x45/0x50 [ 286.088056] ? __copy_skb_header+0x350/0x6b0 [ 286.092491] ? skb_release_data+0x880/0x880 [ 286.096808] ? __alloc_skb+0x770/0x770 [ 286.100731] ? __lock_is_held+0xb5/0x140 [ 286.104794] ? kasan_check_write+0x14/0x20 [ 286.109023] ? __skb_clone+0x6c7/0xa00 [ 286.112914] ? __copy_skb_header+0x6b0/0x6b0 [ 286.117317] ? kmem_cache_alloc+0x33a/0x730 [ 286.121638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.127190] skb_ensure_writable+0x3dd/0x640 [ 286.131618] ? skb_checksum_setup+0xaa0/0xaa0 [ 286.136135] ? preempt_notifier_register+0x200/0x200 [ 286.141235] ? __switch_to_asm+0x34/0x70 [ 286.145291] ? __switch_to_asm+0x34/0x70 [ 286.149343] ? __switch_to_asm+0x40/0x70 [ 286.153405] ? __switch_to_asm+0x34/0x70 [ 286.157460] ? __switch_to_asm+0x40/0x70 [ 286.161516] ? __switch_to_asm+0x40/0x70 [ 286.165570] ? __switch_to_asm+0x34/0x70 [ 286.169680] ? __switch_to_asm+0x34/0x70 [ 286.173734] ? __switch_to_asm+0x40/0x70 [ 286.177790] ? __switch_to_asm+0x34/0x70 [ 286.181859] bpf_clone_redirect+0x14a/0x490 [ 286.186187] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 286.191122] ? __sched_text_start+0x8/0x8 [ 286.195286] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 286.199880] ? retint_kernel+0x2d/0x2d [ 286.203803] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.208749] ? find_held_lock+0x36/0x1c0 [ 286.212812] ? lock_acquire+0x1ed/0x520 [ 286.216817] ? bpf_test_run+0x3cb/0x780 [ 286.220797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.226336] ? check_preemption_disabled+0x48/0x280 [ 286.231356] ? kasan_check_read+0x11/0x20 [ 286.235506] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.240781] ? rcu_softirq_qs+0x20/0x20 [ 286.244770] ? preempt_schedule+0x4d/0x60 [ 286.248927] ? ___preempt_schedule+0x16/0x18 [ 286.253354] ? bpf_test_run+0x25d/0x780 [ 286.257339] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.261748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.267280] ? bpf_test_init.isra.10+0x70/0x100 [ 286.271974] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 286.276744] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 286.281583] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.287138] ? fput+0x130/0x1a0 [ 286.290435] ? __bpf_prog_get+0x9b/0x290 [ 286.294501] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 286.299352] ? bpf_prog_test_run+0x130/0x1a0 [ 286.303763] ? __x64_sys_bpf+0x3d8/0x520 [ 286.307824] ? bpf_prog_get+0x20/0x20 [ 286.311647] ? do_syscall_64+0x1b9/0x820 [ 286.315708] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.321076] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.326001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.330841] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.335884] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.340944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.345808] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.351213] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 286.351218] warn_alloc_show_mem: 1 callbacks suppressed [ 286.351225] Mem-Info: [ 286.358056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.363420] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 286.363420] active_file:12 inactive_file:11 isolated_file:0 [ 286.363420] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.363420] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 286.363420] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 286.363420] free:13794 free_pcp:515 free_cma:0 [ 286.365789] Call Trace: [ 286.375173] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.408023] dump_stack+0x244/0x39d [ 286.410580] 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 [ 286.438073] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.441674] lowmem_reserve[]: 0 2818 6321 6321 [ 286.467812] warn_alloc.cold.116+0xb7/0x1bd [ 286.472987] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 286.477571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.481869] lowmem_reserve[]: 0 0 3503 3503 [ 286.509192] ? lock_downgrade+0x900/0x900 [ 286.514058] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 286.518373] ? trace_hardirqs_off+0xb8/0x310 [ 286.522500] lowmem_reserve[]: 0 0 0 0 [ 286.551569] ? trace_hardirqs_off+0xb8/0x310 [ 286.555964] 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 [ 286.559788] __alloc_pages_slowpath+0x2651/0x2de0 [ 286.564163] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 286.577710] ? warn_alloc+0x120/0x120 [ 286.582529] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 286.597524] ? warn_alloc+0x120/0x120 [ 286.601320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.616302] ? warn_alloc+0x120/0x120 [ 286.620098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.628919] ? print_usage_bug+0xc0/0xc0 [ 286.632702] 267 total pagecache pages [ 286.641279] ? print_usage_bug+0xc0/0xc0 [ 286.645330] 0 pages in swap cache [ 286.649116] ? mark_held_locks+0x130/0x130 [ 286.653152] Swap cache stats: add 0, delete 0, find 0/0 [ 286.656593] ? mark_held_locks+0x130/0x130 [ 286.660820] Free swap = 0kB [ 286.666209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.670414] Total swap = 0kB [ 286.673437] ? should_fail+0x22d/0xd01 [ 286.678960] 1965979 pages RAM [ 286.681967] ? zap_class+0x640/0x640 [ 286.685835] 0 pages HighMem/MovableOnly [ 286.688939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.692623] 342854 pages reserved [ 286.696642] ? __lock_acquire+0x62f/0x4c20 [ 286.701731] 0 pages cma reserved [ 286.705210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.709469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.712815] ? __lock_acquire+0x62f/0x4c20 [ 286.712830] ? should_fail+0x22d/0xd01 [ 286.718007] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.724422] ? mark_held_locks+0x130/0x130 [ 286.728629] syz-executor0 cpuset=syz0 mems_allowed=0 [ 286.732519] ? mark_held_locks+0x130/0x130 [ 286.756516] ? lock_downgrade+0x900/0x900 [ 286.760661] ? zap_class+0x640/0x640 [ 286.764381] ? zap_class+0x640/0x640 [ 286.768089] ? do_raw_spin_unlock+0xa7/0x330 [ 286.772502] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.777255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.782792] ? check_preemption_disabled+0x48/0x280 [ 286.787811] ? __lock_is_held+0xb5/0x140 [ 286.791891] __alloc_pages_nodemask+0xad8/0xea0 [ 286.796573] ? zap_class+0x640/0x640 [ 286.800294] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 286.805328] ? find_held_lock+0x36/0x1c0 [ 286.809404] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.814073] ? lock_downgrade+0x900/0x900 [ 286.818230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.823772] cache_grow_begin+0xa5/0x8c0 [ 286.827829] ? do_raw_spin_unlock+0xa7/0x330 [ 286.832268] fallback_alloc+0x204/0x2e0 [ 286.836248] ____cache_alloc_node+0x1c7/0x1e0 [ 286.840745] kmem_cache_alloc_node+0xe3/0x730 [ 286.845241] ? lockdep_hardirqs_on+0x296/0x5b0 [ 286.849828] __alloc_skb+0x119/0x770 [ 286.853542] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.858908] ? netdev_alloc_frag+0x1f0/0x1f0 [ 286.863317] ? vprintk_default+0x28/0x30 [ 286.867376] ? vprintk_func+0x85/0x181 [ 286.871264] ? printk+0xa7/0xcf [ 286.874552] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 286.879314] new_skb+0x26/0x1c0 [ 286.882609] aoecmd_cfg+0x279/0x7f0 [ 286.886247] ? find_held_lock+0x36/0x1c0 [ 286.890340] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 286.894665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.900213] ? __lock_is_held+0xb5/0x140 [ 286.904300] discover_timer+0x50/0x60 [ 286.908101] call_timer_fn+0x272/0x920 [ 286.911985] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 286.916828] ? process_timeout+0x40/0x40 [ 286.920906] ? __run_timers+0x7da/0xc70 [ 286.924887] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.929383] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.933886] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 286.938727] ? lockdep_hardirqs_on+0x296/0x5b0 [ 286.943323] ? trace_hardirqs_on+0xbd/0x310 [ 286.947638] ? kasan_check_read+0x11/0x20 [ 286.951779] ? __run_timers+0x7da/0xc70 [ 286.955750] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.960862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.965105] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 286.969943] __run_timers+0x7e5/0xc70 [ 286.973750] ? timer_fixup_init+0x70/0x70 [ 286.977932] ? find_held_lock+0x36/0x1c0 [ 286.982006] ? __schedule+0x168a/0x21d0 [ 286.985981] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.990479] ? pvclock_read_flags+0x160/0x160 [ 286.994974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.000512] ? check_preemption_disabled+0x48/0x280 [ 287.005539] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 287.011075] ? rcu_pm_notify+0xc0/0xc0 [ 287.014961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.020514] ? check_preemption_disabled+0x48/0x280 [ 287.025535] run_timer_softirq+0x52/0xb0 [ 287.029596] ? rcu_read_lock_sched_held+0x14f/0x180 [ 287.034615] __do_softirq+0x308/0xb7e [ 287.038433] ? retint_kernel+0x2d/0x2d [ 287.042336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 287.047439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.052901] ? finish_task_switch+0x2f4/0x910 [ 287.057404] ? schedule+0x108/0x460 [ 287.061040] ? trace_hardirqs_off+0xb8/0x310 [ 287.065449] ? smpboot_thread_fn+0x68b/0xa00 [ 287.069881] ? trace_hardirqs_on+0x310/0x310 [ 287.074305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.079839] ? check_preemption_disabled+0x48/0x280 [ 287.084892] ? takeover_tasklets+0xa90/0xa90 [ 287.089323] run_ksoftirqd+0x5e/0x100 [ 287.093136] smpboot_thread_fn+0x68b/0xa00 [ 287.097373] ? sort_range+0x30/0x30 [ 287.101003] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.106108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.111647] ? __kthread_parkme+0xfb/0x1a0 [ 287.115890] ? sort_range+0x30/0x30 [ 287.119516] kthread+0x35a/0x440 [ 287.122904] ? kthread_stop+0x900/0x900 [ 287.126912] ret_from_fork+0x3a/0x50 [ 287.130656] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 287.130704] aoe: skb alloc failure [ 287.138025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.138030] Call Trace: [ 287.138035] [ 287.138050] dump_stack+0x244/0x39d [ 287.138069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.141606] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.150939] warn_alloc.cold.116+0xb7/0x1bd [ 287.153489] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 287.155632] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.188510] ? lock_downgrade+0x900/0x900 [ 287.192667] ? trace_hardirqs_off+0xb8/0x310 [ 287.197080] ? trace_hardirqs_off+0xb8/0x310 [ 287.201491] __alloc_pages_slowpath+0x2651/0x2de0 [ 287.206354] ? warn_alloc+0x120/0x120 [ 287.210160] ? print_usage_bug+0xc0/0xc0 [ 287.214220] ? warn_alloc+0x120/0x120 [ 287.218025] ? warn_alloc+0x120/0x120 [ 287.221822] ? print_usage_bug+0xc0/0xc0 [ 287.225899] ? kvm_clock_read+0x18/0x30 [ 287.229878] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 287.234908] ? print_usage_bug+0xc0/0xc0 [ 287.238970] ? __lock_acquire+0x62f/0x4c20 [ 287.243222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.248772] ? should_fail+0x22d/0xd01 [ 287.252654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.257945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.263046] ? __lock_acquire+0x62f/0x4c20 [ 287.267285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.272390] ? __lock_acquire+0x62f/0x4c20 [ 287.276626] ? should_fail+0x22d/0xd01 [ 287.280512] ? rcu_irq_exit+0x1a2/0x390 [ 287.284498] ? mark_held_locks+0x130/0x130 [ 287.288736] ? mark_held_locks+0x130/0x130 [ 287.292977] ? mark_held_locks+0xc7/0x130 [ 287.297127] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 287.302142] ? zap_class+0x640/0x640 [ 287.305873] ? print_usage_bug+0xc0/0xc0 [ 287.309957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.315494] ? check_preemption_disabled+0x48/0x280 [ 287.320519] ? __lock_is_held+0xb5/0x140 [ 287.324589] __alloc_pages_nodemask+0xad8/0xea0 [ 287.329255] ? zap_class+0x640/0x640 [ 287.332977] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 287.338004] ? find_held_lock+0x36/0x1c0 [ 287.342076] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.346749] ? lock_downgrade+0x900/0x900 [ 287.350936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.356493] cache_grow_begin+0xa5/0x8c0 [ 287.360554] ? do_raw_spin_unlock+0xa7/0x330 [ 287.364970] fallback_alloc+0x204/0x2e0 [ 287.368951] ____cache_alloc_node+0x1c7/0x1e0 [ 287.373450] kmem_cache_alloc_node+0xe3/0x730 [ 287.377941] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.382182] __alloc_skb+0x119/0x770 [ 287.385892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.391180] ? netdev_alloc_frag+0x1f0/0x1f0 [ 287.395597] ? lock_downgrade+0x900/0x900 [ 287.399768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.405310] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.410775] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.416241] ? addrconf_rs_timer+0x690/0x690 [ 287.420659] ndisc_alloc_skb+0x144/0x340 [ 287.424734] ndisc_send_rs+0x331/0x6e0 [ 287.428639] addrconf_rs_timer+0x314/0x690 [ 287.432888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.437132] call_timer_fn+0x272/0x920 [ 287.441022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.445265] ? process_timeout+0x40/0x40 [ 287.449463] ? __run_timers+0x7da/0xc70 [ 287.453450] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.457947] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.462439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.466672] ? lockdep_hardirqs_on+0x296/0x5b0 [ 287.471267] ? trace_hardirqs_on+0xbd/0x310 [ 287.475585] ? kasan_check_read+0x11/0x20 [ 287.479731] ? __run_timers+0x7da/0xc70 [ 287.483703] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.488806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.493044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.497274] __run_timers+0x7e5/0xc70 [ 287.501083] ? timer_fixup_init+0x70/0x70 [ 287.505231] ? kasan_check_read+0x11/0x20 [ 287.509383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.514661] ? rcu_softirq_qs+0x20/0x20 [ 287.518636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.524177] ? check_preemption_disabled+0x48/0x280 [ 287.529228] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.533986] ? retint_kernel+0x2d/0x2d [ 287.537890] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.542818] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.547578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.553035] ? zap_class+0x640/0x640 [ 287.556754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.562293] ? check_preemption_disabled+0x48/0x280 [ 287.567319] ? __lock_is_held+0xb5/0x140 [ 287.571383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.576923] ? check_preemption_disabled+0x48/0x280 [ 287.581947] run_timer_softirq+0x52/0xb0 [ 287.586007] ? rcu_read_lock_sched_held+0x14f/0x180 [ 287.591054] __do_softirq+0x308/0xb7e [ 287.594883] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 287.599384] ? lock_downgrade+0x900/0x900 [ 287.603541] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 287.608655] ? pvclock_read_flags+0x160/0x160 [ 287.613151] ? lapic_next_event+0x5a/0x90 [ 287.617319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.622869] ? kvm_clock_read+0x18/0x30 [ 287.626862] ? kvm_sched_clock_read+0x9/0x20 [ 287.631271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.636822] ? check_preemption_disabled+0x48/0x280 [ 287.641862] irq_exit+0x17f/0x1c0 [ 287.645316] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.650208] ? smp_call_function_single_interrupt+0x159/0x650 [ 287.656107] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.661989] ? interrupt_entry+0xb5/0xc0 [ 287.666049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.671092] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.676104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.680962] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.685973] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.690987] ? task_prio+0x50/0x50 [ 287.694524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.700065] ? check_preemption_disabled+0x48/0x280 [ 287.705098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.709946] apic_timer_interrupt+0xf/0x20 [ 287.714175] [ 287.716411] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 287.722292] 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 [ 287.741203] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.748904] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.756166] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 287.763433] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 287.770695] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 287.777956] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 287.785249] ? save_stack+0xa9/0xd0 [ 287.788910] __kmalloc_node_track_caller+0x3c/0x70 [ 287.793840] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 287.798607] pskb_expand_head+0x230/0x10f0 [ 287.802845] ? memcpy+0x45/0x50 [ 287.806148] ? __copy_skb_header+0x350/0x6b0 [ 287.810604] ? skb_release_data+0x880/0x880 [ 287.814929] ? __alloc_skb+0x770/0x770 [ 287.818840] ? __lock_is_held+0xb5/0x140 [ 287.822918] ? kasan_check_write+0x14/0x20 [ 287.827153] ? __skb_clone+0x6c7/0xa00 [ 287.831041] ? __copy_skb_header+0x6b0/0x6b0 [ 287.835446] ? kmem_cache_alloc+0x33a/0x730 [ 287.839767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.845310] skb_ensure_writable+0x3dd/0x640 [ 287.849720] ? skb_checksum_setup+0xaa0/0xaa0 [ 287.854244] ? preempt_notifier_register+0x200/0x200 [ 287.859344] ? __switch_to_asm+0x34/0x70 [ 287.863410] ? __switch_to_asm+0x34/0x70 [ 287.867467] ? __switch_to_asm+0x40/0x70 [ 287.871526] ? __switch_to_asm+0x34/0x70 [ 287.875586] ? __switch_to_asm+0x40/0x70 [ 287.879649] ? __switch_to_asm+0x40/0x70 [ 287.883711] ? __switch_to_asm+0x34/0x70 [ 287.887771] ? __switch_to_asm+0x34/0x70 [ 287.891829] ? __switch_to_asm+0x40/0x70 [ 287.895920] ? __switch_to_asm+0x34/0x70 [ 287.899988] bpf_clone_redirect+0x14a/0x490 [ 287.904319] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 287.909266] ? __sched_text_start+0x8/0x8 [ 287.913421] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.918015] ? retint_kernel+0x2d/0x2d [ 287.921910] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.926857] ? find_held_lock+0x36/0x1c0 [ 287.930938] ? lock_acquire+0x1ed/0x520 [ 287.934921] ? bpf_test_run+0x3cb/0x780 [ 287.938915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.944457] ? check_preemption_disabled+0x48/0x280 [ 287.949481] ? kasan_check_read+0x11/0x20 [ 287.953639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.958941] ? rcu_softirq_qs+0x20/0x20 [ 287.962923] ? preempt_schedule+0x4d/0x60 [ 287.967077] ? ___preempt_schedule+0x16/0x18 [ 287.971493] ? bpf_test_run+0x25d/0x780 [ 287.975478] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.979893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.985433] ? bpf_test_init.isra.10+0x70/0x100 [ 287.990111] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 287.994885] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.999731] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.005269] ? fput+0x130/0x1a0 [ 288.008555] ? __bpf_prog_get+0x9b/0x290 [ 288.012619] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 288.017462] ? bpf_prog_test_run+0x130/0x1a0 [ 288.021881] ? __x64_sys_bpf+0x3d8/0x520 [ 288.025947] ? bpf_prog_get+0x20/0x20 [ 288.029767] ? do_syscall_64+0x1b9/0x820 [ 288.033832] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.039210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.044139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.048985] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.054009] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.059033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.063920] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.069296] warn_alloc_show_mem: 1 callbacks suppressed [ 288.069308] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 288.069310] Mem-Info: [ 288.069341] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 288.069341] active_file:12 inactive_file:11 isolated_file:0 [ 288.069341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.069341] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 288.069341] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 288.069341] free:13794 free_pcp:515 free_cma:0 [ 288.074677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.081536] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.083936] Call Trace: [ 288.116816] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 288.126185] dump_stack+0x244/0x39d [ 288.153659] lowmem_reserve[]: 0 2818 6321 6321 [ 288.156250] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.182331] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 288.185991] warn_alloc.cold.116+0xb7/0x1bd [ 288.190537] lowmem_reserve[]: 0 0 3503 3503 [ 288.195744] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.223041] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 288.227355] ? lock_downgrade+0x900/0x900 [ 288.231660] lowmem_reserve[]: 0 0 0 0 [ 288.236496] ? trace_hardirqs_off+0xb8/0x310 [ 288.265544] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 288.269690] ? trace_hardirqs_off+0xb8/0x310 [ 288.273487] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 288.277910] __alloc_pages_slowpath+0x2651/0x2de0 [ 288.291417] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 288.295863] ? warn_alloc+0x120/0x120 [ 288.310822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.315668] ? warn_alloc+0x120/0x120 [ 288.330647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.334435] ? warn_alloc+0x120/0x120 [ 288.343250] 267 total pagecache pages [ 288.347045] ? print_usage_bug+0xc0/0xc0 [ 288.355602] 0 pages in swap cache [ 288.359396] ? print_usage_bug+0xc0/0xc0 [ 288.363179] Swap cache stats: add 0, delete 0, find 0/0 [ 288.367230] ? mark_held_locks+0x130/0x130 [ 288.370658] Free swap = 0kB [ 288.374709] ? mark_held_locks+0x130/0x130 [ 288.380049] Total swap = 0kB [ 288.384274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.387269] 1965979 pages RAM [ 288.391513] ? should_fail+0x22d/0xd01 [ 288.394504] 0 pages HighMem/MovableOnly [ 288.400029] ? zap_class+0x640/0x640 [ 288.403109] 342854 pages reserved [ 288.406988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.410937] 0 pages cma reserved [ 288.414644] ? __lock_acquire+0x62f/0x4c20 [ 288.418142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.423191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.426618] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.430762] ? __lock_acquire+0x62f/0x4c20 [ 288.437262] syz-executor0 cpuset=syz0 mems_allowed=0 [ 288.442355] ? should_fail+0x22d/0xd01 [ 288.466105] ? mark_held_locks+0x130/0x130 [ 288.470355] ? mark_held_locks+0x130/0x130 [ 288.474582] ? lock_downgrade+0x900/0x900 [ 288.478742] ? zap_class+0x640/0x640 [ 288.482468] ? zap_class+0x640/0x640 [ 288.486239] ? zap_class+0x640/0x640 [ 288.489973] ? do_raw_spin_unlock+0xa7/0x330 [ 288.494397] ? trace_hardirqs_on+0x310/0x310 [ 288.498800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.504350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.509895] ? check_preemption_disabled+0x48/0x280 [ 288.514936] ? __lock_is_held+0xb5/0x140 [ 288.519008] __alloc_pages_nodemask+0xad8/0xea0 [ 288.523679] ? zap_class+0x640/0x640 [ 288.527397] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 288.532475] ? find_held_lock+0x36/0x1c0 [ 288.536549] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.541219] ? lock_downgrade+0x900/0x900 [ 288.545372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.550915] cache_grow_begin+0xa5/0x8c0 [ 288.554974] ? do_raw_spin_unlock+0xa7/0x330 [ 288.559407] fallback_alloc+0x204/0x2e0 [ 288.563389] ____cache_alloc_node+0x1c7/0x1e0 [ 288.567922] kmem_cache_alloc_node+0xe3/0x730 [ 288.572417] ? lockdep_hardirqs_on+0x296/0x5b0 [ 288.577020] __alloc_skb+0x119/0x770 [ 288.580734] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.586117] ? netdev_alloc_frag+0x1f0/0x1f0 [ 288.590537] ? vprintk_default+0x28/0x30 [ 288.594596] ? vprintk_func+0x85/0x181 [ 288.598486] ? printk+0xa7/0xcf [ 288.601762] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 288.606522] new_skb+0x26/0x1c0 [ 288.609833] aoecmd_cfg+0x279/0x7f0 [ 288.613473] ? find_held_lock+0x36/0x1c0 [ 288.617538] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 288.621869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.627418] ? __lock_is_held+0xb5/0x140 [ 288.631486] discover_timer+0x50/0x60 [ 288.635282] call_timer_fn+0x272/0x920 [ 288.639167] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 288.644021] ? process_timeout+0x40/0x40 [ 288.648085] ? __run_timers+0x7da/0xc70 [ 288.652056] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.656550] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.661041] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 288.665911] ? lockdep_hardirqs_on+0x296/0x5b0 [ 288.670492] ? trace_hardirqs_on+0xbd/0x310 [ 288.674811] ? kasan_check_read+0x11/0x20 [ 288.678957] ? __run_timers+0x7da/0xc70 [ 288.682932] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.688048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.692293] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 288.697133] __run_timers+0x7e5/0xc70 [ 288.700944] ? timer_fixup_init+0x70/0x70 [ 288.705105] ? find_held_lock+0x36/0x1c0 [ 288.709180] ? __schedule+0x168a/0x21d0 [ 288.713166] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.717672] ? pvclock_read_flags+0x160/0x160 [ 288.722169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.727707] ? check_preemption_disabled+0x48/0x280 [ 288.732733] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 288.738301] ? rcu_pm_notify+0xc0/0xc0 [ 288.742196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.747733] ? check_preemption_disabled+0x48/0x280 [ 288.752757] run_timer_softirq+0x52/0xb0 [ 288.756817] ? rcu_read_lock_sched_held+0x14f/0x180 [ 288.761845] __do_softirq+0x308/0xb7e [ 288.765665] ? retint_kernel+0x2d/0x2d [ 288.769570] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 288.774702] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.780155] ? finish_task_switch+0x2f4/0x910 [ 288.784658] ? schedule+0x108/0x460 [ 288.788322] ? trace_hardirqs_off+0xb8/0x310 [ 288.792730] ? smpboot_thread_fn+0x68b/0xa00 [ 288.797140] ? trace_hardirqs_on+0x310/0x310 [ 288.801554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.807095] ? check_preemption_disabled+0x48/0x280 [ 288.812114] ? takeover_tasklets+0xa90/0xa90 [ 288.816523] run_ksoftirqd+0x5e/0x100 [ 288.820324] smpboot_thread_fn+0x68b/0xa00 [ 288.824564] ? sort_range+0x30/0x30 [ 288.828190] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.833303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.838840] ? __kthread_parkme+0xfb/0x1a0 [ 288.843094] ? sort_range+0x30/0x30 [ 288.846719] kthread+0x35a/0x440 [ 288.850087] ? kthread_stop+0x900/0x900 [ 288.854067] ret_from_fork+0x3a/0x50 [ 288.857792] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 288.857878] aoe: skb alloc failure [ 288.865185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.865193] Call Trace: [ 288.868777] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.878060] [ 288.880626] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 288.890928] dump_stack+0x244/0x39d [ 288.901360] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.906568] warn_alloc.cold.116+0xb7/0x1bd [ 288.910902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.915744] ? lock_downgrade+0x900/0x900 [ 288.919928] ? trace_hardirqs_off+0xb8/0x310 [ 288.924343] ? trace_hardirqs_off+0xb8/0x310 [ 288.928765] __alloc_pages_slowpath+0x2651/0x2de0 [ 288.933642] ? warn_alloc+0x120/0x120 [ 288.937439] ? print_usage_bug+0xc0/0xc0 [ 288.941495] ? warn_alloc+0x120/0x120 [ 288.945294] ? warn_alloc+0x120/0x120 [ 288.949092] ? print_usage_bug+0xc0/0xc0 [ 288.953168] ? kvm_clock_read+0x18/0x30 [ 288.957156] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.962174] ? print_usage_bug+0xc0/0xc0 [ 288.966235] ? __lock_acquire+0x62f/0x4c20 [ 288.970473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.976008] ? should_fail+0x22d/0xd01 [ 288.979910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.985209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.990347] ? __lock_acquire+0x62f/0x4c20 [ 288.994591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.999698] ? __lock_acquire+0x62f/0x4c20 [ 289.003934] ? should_fail+0x22d/0xd01 [ 289.007838] ? rcu_irq_exit+0x1a2/0x390 [ 289.011871] ? mark_held_locks+0x130/0x130 [ 289.016116] ? mark_held_locks+0x130/0x130 [ 289.020369] ? mark_held_locks+0xc7/0x130 [ 289.024521] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 289.029535] ? zap_class+0x640/0x640 [ 289.033262] ? print_usage_bug+0xc0/0xc0 [ 289.037323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.042880] ? check_preemption_disabled+0x48/0x280 [ 289.047915] ? __lock_is_held+0xb5/0x140 [ 289.053299] __alloc_pages_nodemask+0xad8/0xea0 [ 289.057966] ? zap_class+0x640/0x640 [ 289.061684] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 289.066717] ? find_held_lock+0x36/0x1c0 [ 289.070792] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.075500] ? lock_downgrade+0x900/0x900 [ 289.079651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.085186] cache_grow_begin+0xa5/0x8c0 [ 289.089698] ? do_raw_spin_unlock+0xa7/0x330 [ 289.094114] fallback_alloc+0x204/0x2e0 [ 289.098094] ____cache_alloc_node+0x1c7/0x1e0 [ 289.102593] kmem_cache_alloc_node+0xe3/0x730 [ 289.107089] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.111336] __alloc_skb+0x119/0x770 [ 289.115060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.120351] ? netdev_alloc_frag+0x1f0/0x1f0 [ 289.124773] ? lock_downgrade+0x900/0x900 [ 289.128935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.134482] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.139931] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.145528] ? addrconf_rs_timer+0x690/0x690 [ 289.149955] ndisc_alloc_skb+0x144/0x340 [ 289.154024] ndisc_send_rs+0x331/0x6e0 [ 289.157913] addrconf_rs_timer+0x314/0x690 [ 289.162150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.166411] call_timer_fn+0x272/0x920 [ 289.170353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.174587] ? process_timeout+0x40/0x40 [ 289.178653] ? __run_timers+0x7da/0xc70 [ 289.182627] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.187121] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.191612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.195843] ? lockdep_hardirqs_on+0x296/0x5b0 [ 289.200447] ? trace_hardirqs_on+0xbd/0x310 [ 289.204765] ? kasan_check_read+0x11/0x20 [ 289.208921] ? __run_timers+0x7da/0xc70 [ 289.212896] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.218001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.222243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.226478] __run_timers+0x7e5/0xc70 [ 289.230308] ? timer_fixup_init+0x70/0x70 [ 289.234454] ? kasan_check_read+0x11/0x20 [ 289.238600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.243878] ? rcu_softirq_qs+0x20/0x20 [ 289.247875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.253430] ? check_preemption_disabled+0x48/0x280 [ 289.258452] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.263242] ? retint_kernel+0x2d/0x2d [ 289.267134] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.272063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.276823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.282291] ? zap_class+0x640/0x640 [ 289.286012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.291567] ? check_preemption_disabled+0x48/0x280 [ 289.296596] ? __lock_is_held+0xb5/0x140 [ 289.300658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.306226] ? check_preemption_disabled+0x48/0x280 [ 289.311248] run_timer_softirq+0x52/0xb0 [ 289.315309] ? rcu_read_lock_sched_held+0x14f/0x180 [ 289.320328] __do_softirq+0x308/0xb7e [ 289.324133] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 289.328628] ? lock_downgrade+0x900/0x900 [ 289.332783] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 289.337922] ? pvclock_read_flags+0x160/0x160 [ 289.342424] ? lapic_next_event+0x5a/0x90 [ 289.346579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.352124] ? kvm_clock_read+0x18/0x30 [ 289.356102] ? kvm_sched_clock_read+0x9/0x20 [ 289.360511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.366066] ? check_preemption_disabled+0x48/0x280 [ 289.371089] irq_exit+0x17f/0x1c0 [ 289.374541] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.379388] ? smp_call_function_single_interrupt+0x159/0x650 [ 289.385269] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.391171] ? interrupt_entry+0xb5/0xc0 [ 289.395263] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.400277] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.405318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.410162] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.415175] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.420205] ? task_prio+0x50/0x50 [ 289.423746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.429294] ? check_preemption_disabled+0x48/0x280 [ 289.434312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.439164] apic_timer_interrupt+0xf/0x20 [ 289.443391] [ 289.445636] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 289.451519] 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 [ 289.470414] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.478164] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.485453] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 289.492715] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 289.499993] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 289.507288] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 289.514579] ? save_stack+0xa9/0xd0 [ 289.518216] __kmalloc_node_track_caller+0x3c/0x70 [ 289.523151] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 289.527917] pskb_expand_head+0x230/0x10f0 [ 289.532171] ? memcpy+0x45/0x50 [ 289.535455] ? __copy_skb_header+0x350/0x6b0 [ 289.539905] ? skb_release_data+0x880/0x880 [ 289.544228] ? __alloc_skb+0x770/0x770 [ 289.548138] ? __lock_is_held+0xb5/0x140 [ 289.552232] ? kasan_check_write+0x14/0x20 [ 289.556518] ? __skb_clone+0x6c7/0xa00 [ 289.560428] ? __copy_skb_header+0x6b0/0x6b0 [ 289.564831] ? kmem_cache_alloc+0x33a/0x730 [ 289.569175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.574715] skb_ensure_writable+0x3dd/0x640 [ 289.579128] ? skb_checksum_setup+0xaa0/0xaa0 [ 289.583652] ? preempt_notifier_register+0x200/0x200 [ 289.588783] ? __switch_to_asm+0x34/0x70 [ 289.592845] ? __switch_to_asm+0x34/0x70 [ 289.596924] ? __switch_to_asm+0x40/0x70 [ 289.600977] ? __switch_to_asm+0x34/0x70 [ 289.605031] ? __switch_to_asm+0x40/0x70 [ 289.609116] ? __switch_to_asm+0x40/0x70 [ 289.613202] ? __switch_to_asm+0x34/0x70 [ 289.617277] ? __switch_to_asm+0x34/0x70 [ 289.621369] ? __switch_to_asm+0x40/0x70 [ 289.625433] ? __switch_to_asm+0x34/0x70 [ 289.629495] bpf_clone_redirect+0x14a/0x490 [ 289.633819] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 289.638754] ? __sched_text_start+0x8/0x8 [ 289.642949] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.647530] ? retint_kernel+0x2d/0x2d [ 289.651423] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.656358] ? find_held_lock+0x36/0x1c0 [ 289.660434] ? lock_acquire+0x1ed/0x520 [ 289.664406] ? bpf_test_run+0x3cb/0x780 [ 289.668386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.673923] ? check_preemption_disabled+0x48/0x280 [ 289.678956] ? kasan_check_read+0x11/0x20 [ 289.683106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.688387] ? rcu_softirq_qs+0x20/0x20 [ 289.692361] ? preempt_schedule+0x4d/0x60 [ 289.696524] ? ___preempt_schedule+0x16/0x18 [ 289.700969] ? bpf_test_run+0x25d/0x780 [ 289.704951] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.709359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.714897] ? bpf_test_init.isra.10+0x70/0x100 [ 289.719567] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 289.724344] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 289.729202] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.734738] ? fput+0x130/0x1a0 [ 289.738016] ? __bpf_prog_get+0x9b/0x290 [ 289.742077] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 289.746921] ? bpf_prog_test_run+0x130/0x1a0 [ 289.751329] ? __x64_sys_bpf+0x3d8/0x520 [ 289.755393] ? bpf_prog_get+0x20/0x20 [ 289.759211] ? do_syscall_64+0x1b9/0x820 [ 289.763268] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.768647] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.773617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.778459] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.783497] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.788523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.793379] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.798778] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 289.798784] warn_alloc_show_mem: 1 callbacks suppressed [ 289.798791] Mem-Info: [ 289.805625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.811023] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 289.811023] active_file:12 inactive_file:11 isolated_file:0 [ 289.811023] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.811023] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 289.811023] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 289.811023] free:13794 free_pcp:515 free_cma:0 [ 289.813395] Call Trace: [ 289.822795] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 289.855655] dump_stack+0x244/0x39d [ 289.858221] 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 [ 289.885708] ? dump_stack_print_info.cold.1+0x20/0x20 [ 289.889305] lowmem_reserve[]: 0 2818 6321 6321 [ 289.915412] warn_alloc.cold.116+0xb7/0x1bd [ 289.920587] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 289.925183] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.929496] lowmem_reserve[]: 0 0 3503 3503 [ 289.956827] ? lock_downgrade+0x900/0x900 [ 289.961745] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 289.966092] ? trace_hardirqs_off+0xb8/0x310 [ 289.970214] lowmem_reserve[]: 0 0 0 0 [ 289.999275] ? trace_hardirqs_off+0xb8/0x310 [ 290.003655] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 290.007453] __alloc_pages_slowpath+0x2651/0x2de0 [ 290.011833] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 290.025425] ? warn_alloc+0x120/0x120 [ 290.030226] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 290.045234] ? warn_alloc+0x120/0x120 [ 290.049024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.064009] ? warn_alloc+0x120/0x120 [ 290.067789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.076607] ? print_usage_bug+0xc0/0xc0 [ 290.080386] 267 total pagecache pages [ 290.088951] ? print_usage_bug+0xc0/0xc0 [ 290.092989] 0 pages in swap cache [ 290.096775] ? mark_held_locks+0x130/0x130 [ 290.100820] Swap cache stats: add 0, delete 0, find 0/0 [ 290.104261] ? mark_held_locks+0x130/0x130 [ 290.108467] Free swap = 0kB [ 290.113819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.118042] Total swap = 0kB [ 290.121055] ? should_fail+0x22d/0xd01 [ 290.126564] 1965979 pages RAM [ 290.129574] ? zap_class+0x640/0x640 [ 290.133434] 0 pages HighMem/MovableOnly [ 290.136529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.140217] 342854 pages reserved [ 290.144179] ? __lock_acquire+0x62f/0x4c20 [ 290.149291] 0 pages cma reserved [ 290.152752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.157022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.160314] ? __lock_acquire+0x62f/0x4c20 [ 290.160328] ? should_fail+0x22d/0xd01 [ 290.165458] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.171909] ? mark_held_locks+0x130/0x130 [ 290.176114] syz-executor0 cpuset=syz0 mems_allowed=0 [ 290.179995] ? mark_held_locks+0x130/0x130 [ 290.204013] ? lock_downgrade+0x900/0x900 [ 290.208168] ? zap_class+0x640/0x640 [ 290.211910] ? zap_class+0x640/0x640 [ 290.215620] ? do_raw_spin_unlock+0xa7/0x330 [ 290.220030] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.224785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.230325] ? check_preemption_disabled+0x48/0x280 [ 290.235349] ? __lock_is_held+0xb5/0x140 [ 290.239413] __alloc_pages_nodemask+0xad8/0xea0 [ 290.244076] ? zap_class+0x640/0x640 [ 290.247792] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 290.252819] ? find_held_lock+0x36/0x1c0 [ 290.256917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.261582] ? lock_downgrade+0x900/0x900 [ 290.265731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.271272] cache_grow_begin+0xa5/0x8c0 [ 290.275332] ? do_raw_spin_unlock+0xa7/0x330 [ 290.279745] fallback_alloc+0x204/0x2e0 [ 290.283725] ____cache_alloc_node+0x1c7/0x1e0 [ 290.288226] kmem_cache_alloc_node+0xe3/0x730 [ 290.292729] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.297338] __alloc_skb+0x119/0x770 [ 290.301051] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.306421] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.310835] ? vprintk_default+0x28/0x30 [ 290.314922] ? vprintk_func+0x85/0x181 [ 290.318813] ? printk+0xa7/0xcf [ 290.322093] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 290.326869] new_skb+0x26/0x1c0 [ 290.330157] aoecmd_cfg+0x279/0x7f0 [ 290.333787] ? find_held_lock+0x36/0x1c0 [ 290.337858] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 290.342191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.347738] ? __lock_is_held+0xb5/0x140 [ 290.351830] discover_timer+0x50/0x60 [ 290.355639] call_timer_fn+0x272/0x920 [ 290.359523] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.364366] ? process_timeout+0x40/0x40 [ 290.368434] ? __run_timers+0x7da/0xc70 [ 290.372410] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.376920] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.381416] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.386258] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.390843] ? trace_hardirqs_on+0xbd/0x310 [ 290.395181] ? kasan_check_read+0x11/0x20 [ 290.399326] ? __run_timers+0x7da/0xc70 [ 290.403319] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.408427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.412666] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 290.417505] __run_timers+0x7e5/0xc70 [ 290.421346] ? timer_fixup_init+0x70/0x70 [ 290.425509] ? find_held_lock+0x36/0x1c0 [ 290.429585] ? __schedule+0x168a/0x21d0 [ 290.433562] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.438083] ? pvclock_read_flags+0x160/0x160 [ 290.442578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.448115] ? check_preemption_disabled+0x48/0x280 [ 290.453143] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 290.458683] ? rcu_pm_notify+0xc0/0xc0 [ 290.462573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.468106] ? check_preemption_disabled+0x48/0x280 [ 290.473137] run_timer_softirq+0x52/0xb0 [ 290.477196] ? rcu_read_lock_sched_held+0x14f/0x180 [ 290.482211] __do_softirq+0x308/0xb7e [ 290.486013] ? retint_kernel+0x2d/0x2d [ 290.489919] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 290.495023] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.500474] ? finish_task_switch+0x2f4/0x910 [ 290.504975] ? schedule+0x108/0x460 [ 290.508615] ? trace_hardirqs_off+0xb8/0x310 [ 290.513028] ? smpboot_thread_fn+0x68b/0xa00 [ 290.517437] ? trace_hardirqs_on+0x310/0x310 [ 290.521897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.527436] ? check_preemption_disabled+0x48/0x280 [ 290.532451] ? takeover_tasklets+0xa90/0xa90 [ 290.536885] run_ksoftirqd+0x5e/0x100 [ 290.540714] smpboot_thread_fn+0x68b/0xa00 [ 290.544949] ? sort_range+0x30/0x30 [ 290.548577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.553679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.559220] ? __kthread_parkme+0xfb/0x1a0 [ 290.563466] ? sort_range+0x30/0x30 [ 290.567099] kthread+0x35a/0x440 [ 290.570465] ? kthread_stop+0x900/0x900 [ 290.574452] ret_from_fork+0x3a/0x50 [ 290.578179] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 290.578267] aoe: skb alloc failure [ 290.585532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.585540] Call Trace: [ 290.589139] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.598425] [ 290.600991] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 290.611294] dump_stack+0x244/0x39d [ 290.621685] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.626889] warn_alloc.cold.116+0xb7/0x1bd [ 290.631211] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.636083] ? lock_downgrade+0x900/0x900 [ 290.640241] ? trace_hardirqs_off+0xb8/0x310 [ 290.644669] ? trace_hardirqs_off+0xb8/0x310 [ 290.649084] __alloc_pages_slowpath+0x2651/0x2de0 [ 290.653972] ? warn_alloc+0x120/0x120 [ 290.657790] ? print_usage_bug+0xc0/0xc0 [ 290.661873] ? warn_alloc+0x120/0x120 [ 290.665700] ? warn_alloc+0x120/0x120 [ 290.669500] ? print_usage_bug+0xc0/0xc0 [ 290.673562] ? print_usage_bug+0xc0/0xc0 [ 290.677633] ? __lock_acquire+0x62f/0x4c20 [ 290.681878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.687416] ? should_fail+0x22d/0xd01 [ 290.691323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.696422] ? __lock_acquire+0x62f/0x4c20 [ 290.700685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.705781] ? __lock_acquire+0x62f/0x4c20 [ 290.710013] ? should_fail+0x22d/0xd01 [ 290.713896] ? find_held_lock+0x36/0x1c0 [ 290.717964] ? mark_held_locks+0x130/0x130 [ 290.722205] ? mark_held_locks+0x130/0x130 [ 290.726433] ? zap_class+0x640/0x640 [ 290.730179] ? zap_class+0x640/0x640 [ 290.733930] ? print_usage_bug+0xc0/0xc0 [ 290.737990] ? do_raw_spin_unlock+0xa7/0x330 [ 290.742403] ? zap_class+0x640/0x640 [ 290.746121] ? print_usage_bug+0xc0/0xc0 [ 290.750180] ? wq_watchdog_touch+0x9c/0xfe [ 290.754421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.759960] ? check_preemption_disabled+0x48/0x280 [ 290.764987] ? __lock_is_held+0xb5/0x140 [ 290.769062] __alloc_pages_nodemask+0xad8/0xea0 [ 290.773731] ? zap_class+0x640/0x640 [ 290.777447] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 290.782493] ? find_held_lock+0x36/0x1c0 [ 290.786562] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.791231] ? lock_downgrade+0x900/0x900 [ 290.795392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.800937] cache_grow_begin+0xa5/0x8c0 [ 290.805000] ? do_raw_spin_unlock+0xa7/0x330 [ 290.809421] fallback_alloc+0x204/0x2e0 [ 290.813406] ____cache_alloc_node+0x1c7/0x1e0 [ 290.817941] kmem_cache_alloc_node+0xe3/0x730 [ 290.822440] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.826712] __alloc_skb+0x119/0x770 [ 290.830424] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.835704] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.840113] ? lock_downgrade+0x900/0x900 [ 290.844270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.849811] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.855270] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.860724] ? addrconf_rs_timer+0x690/0x690 [ 290.865154] ndisc_alloc_skb+0x144/0x340 [ 290.869240] ndisc_send_rs+0x331/0x6e0 [ 290.873135] addrconf_rs_timer+0x314/0x690 [ 290.877384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.881627] call_timer_fn+0x272/0x920 [ 290.885513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.889775] ? process_timeout+0x40/0x40 [ 290.893858] ? __run_timers+0x7da/0xc70 [ 290.897836] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.902352] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.906861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.911112] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.915729] ? trace_hardirqs_on+0xbd/0x310 [ 290.920051] ? kasan_check_read+0x11/0x20 [ 290.924213] ? __run_timers+0x7da/0xc70 [ 290.928191] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.933310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.937566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.941813] __run_timers+0x7e5/0xc70 [ 290.945626] ? timer_fixup_init+0x70/0x70 [ 290.949778] ? kasan_check_read+0x11/0x20 [ 290.953948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.959241] ? rcu_softirq_qs+0x20/0x20 [ 290.963221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.968758] ? check_preemption_disabled+0x48/0x280 [ 290.973791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.978553] ? retint_kernel+0x2d/0x2d [ 290.982444] ? trace_hardirqs_on_caller+0xc0/0x310 [ 290.987383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.992141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.997595] ? zap_class+0x640/0x640 [ 291.001337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.006879] ? check_preemption_disabled+0x48/0x280 [ 291.011911] ? __lock_is_held+0xb5/0x140 [ 291.015975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.021512] ? check_preemption_disabled+0x48/0x280 [ 291.026533] run_timer_softirq+0x52/0xb0 [ 291.030593] ? rcu_read_lock_sched_held+0x14f/0x180 [ 291.035641] __do_softirq+0x308/0xb7e [ 291.039494] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 291.043991] ? lock_downgrade+0x900/0x900 [ 291.048144] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 291.053258] ? pvclock_read_flags+0x160/0x160 [ 291.057759] ? lapic_next_event+0x5a/0x90 [ 291.061924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.067478] ? kvm_clock_read+0x18/0x30 [ 291.071498] ? kvm_sched_clock_read+0x9/0x20 [ 291.075928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.081466] ? check_preemption_disabled+0x48/0x280 [ 291.086490] irq_exit+0x17f/0x1c0 [ 291.090397] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.095244] ? smp_call_function_single_interrupt+0x159/0x650 [ 291.101129] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.107011] ? interrupt_entry+0xb5/0xc0 [ 291.111072] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.116086] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.121101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.125948] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.130965] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.135994] ? task_prio+0x50/0x50 [ 291.139547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.145082] ? check_preemption_disabled+0x48/0x280 [ 291.150107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.155005] apic_timer_interrupt+0xf/0x20 [ 291.159231] [ 291.161472] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 291.167360] 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 [ 291.186305] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.194011] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.201278] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 291.208587] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 291.215875] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 291.223143] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 291.230437] ? save_stack+0xa9/0xd0 [ 291.234088] __kmalloc_node_track_caller+0x3c/0x70 [ 291.239039] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 291.243802] pskb_expand_head+0x230/0x10f0 [ 291.248067] ? memcpy+0x45/0x50 [ 291.251350] ? __copy_skb_header+0x350/0x6b0 [ 291.255768] ? skb_release_data+0x880/0x880 [ 291.260088] ? __alloc_skb+0x770/0x770 [ 291.264002] ? __lock_is_held+0xb5/0x140 [ 291.268089] ? kasan_check_write+0x14/0x20 [ 291.272342] ? __skb_clone+0x6c7/0xa00 [ 291.276236] ? __copy_skb_header+0x6b0/0x6b0 [ 291.280640] ? kmem_cache_alloc+0x33a/0x730 [ 291.284961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.290505] skb_ensure_writable+0x3dd/0x640 [ 291.294916] ? skb_checksum_setup+0xaa0/0xaa0 [ 291.299426] ? preempt_notifier_register+0x200/0x200 [ 291.304544] ? __switch_to_asm+0x34/0x70 [ 291.308606] ? __switch_to_asm+0x34/0x70 [ 291.312680] ? __switch_to_asm+0x40/0x70 [ 291.316736] ? __switch_to_asm+0x34/0x70 [ 291.320820] ? __switch_to_asm+0x40/0x70 [ 291.324898] ? __switch_to_asm+0x40/0x70 [ 291.328975] ? __switch_to_asm+0x34/0x70 [ 291.333034] ? __switch_to_asm+0x34/0x70 [ 291.337089] ? __switch_to_asm+0x40/0x70 [ 291.341150] ? __switch_to_asm+0x34/0x70 [ 291.345211] bpf_clone_redirect+0x14a/0x490 [ 291.349536] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 291.354500] ? __sched_text_start+0x8/0x8 [ 291.358647] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 291.363223] ? retint_kernel+0x2d/0x2d [ 291.367107] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.372037] ? find_held_lock+0x36/0x1c0 [ 291.376104] ? lock_acquire+0x1ed/0x520 [ 291.380077] ? bpf_test_run+0x3cb/0x780 [ 291.384049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.389585] ? check_preemption_disabled+0x48/0x280 [ 291.394647] ? kasan_check_read+0x11/0x20 [ 291.398806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.404081] ? rcu_softirq_qs+0x20/0x20 [ 291.408054] ? preempt_schedule+0x4d/0x60 [ 291.412201] ? ___preempt_schedule+0x16/0x18 [ 291.416613] ? bpf_test_run+0x25d/0x780 [ 291.420597] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.425019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.430557] ? bpf_test_init.isra.10+0x70/0x100 [ 291.435229] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 291.440008] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 291.444847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.450399] ? fput+0x130/0x1a0 [ 291.453685] ? __bpf_prog_get+0x9b/0x290 [ 291.457760] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 291.462602] ? bpf_prog_test_run+0x130/0x1a0 [ 291.467028] ? __x64_sys_bpf+0x3d8/0x520 [ 291.471118] ? bpf_prog_get+0x20/0x20 [ 291.474953] ? do_syscall_64+0x1b9/0x820 [ 291.479010] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 291.484376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.489311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.494159] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.499231] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.504257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.509108] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.514500] warn_alloc_show_mem: 1 callbacks suppressed [ 291.514512] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 291.514513] Mem-Info: [ 291.514544] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 291.514544] active_file:12 inactive_file:11 isolated_file:0 [ 291.514544] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.514544] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 291.514544] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 291.514544] free:13794 free_pcp:515 free_cma:0 [ 291.519914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.526775] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.529184] Call Trace: [ 291.562068] 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 [ 291.571419] dump_stack+0x244/0x39d [ 291.598924] lowmem_reserve[]: 0 2818 6321 6321 [ 291.601503] ? dump_stack_print_info.cold.1+0x20/0x20 [ 291.627588] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 291.631234] warn_alloc.cold.116+0xb7/0x1bd [ 291.635785] lowmem_reserve[]: 0 0 3503 3503 [ 291.640984] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.668309] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 291.672618] ? lock_downgrade+0x900/0x900 [ 291.676912] lowmem_reserve[]: 0 0 0 0 [ 291.681747] ? trace_hardirqs_off+0xb8/0x310 [ 291.710791] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 291.714968] ? trace_hardirqs_off+0xb8/0x310 [ 291.718751] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 291.723154] __alloc_pages_slowpath+0x2651/0x2de0 [ 291.736663] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 291.741106] ? warn_alloc+0x120/0x120 [ 291.756078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.760904] ? warn_alloc+0x120/0x120 [ 291.775880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.775888] 267 total pagecache pages [ 291.779679] ? warn_alloc+0x120/0x120 [ 291.788533] 0 pages in swap cache [ 291.792344] ? print_usage_bug+0xc0/0xc0 [ 291.800895] Swap cache stats: add 0, delete 0, find 0/0 [ 291.804684] ? print_usage_bug+0xc0/0xc0 [ 291.808456] Free swap = 0kB [ 291.811913] ? mark_held_locks+0x130/0x130 [ 291.815954] Total swap = 0kB [ 291.821326] ? mark_held_locks+0x130/0x130 [ 291.825359] 1965979 pages RAM [ 291.828413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.832633] 0 pages HighMem/MovableOnly [ 291.835638] ? should_fail+0x22d/0xd01 [ 291.839869] 342854 pages reserved [ 291.842972] ? zap_class+0x640/0x640 [ 291.848498] 0 pages cma reserved [ 291.852460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.856407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.859763] ? __lock_acquire+0x62f/0x4c20 [ 291.863501] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.866813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.871892] syz-executor0 cpuset=syz0 mems_allowed=0 [ 291.878379] ? __lock_acquire+0x62f/0x4c20 [ 291.907452] ? should_fail+0x22d/0xd01 [ 291.911346] ? mark_held_locks+0x130/0x130 [ 291.915582] ? mark_held_locks+0x130/0x130 [ 291.919811] ? lock_downgrade+0x900/0x900 [ 291.923964] ? zap_class+0x640/0x640 [ 291.927687] ? zap_class+0x640/0x640 [ 291.931399] ? do_raw_spin_unlock+0xa7/0x330 [ 291.935811] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.940565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.946116] ? check_preemption_disabled+0x48/0x280 [ 291.951177] ? __lock_is_held+0xb5/0x140 [ 291.955272] __alloc_pages_nodemask+0xad8/0xea0 [ 291.960451] ? zap_class+0x640/0x640 [ 291.964167] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 291.969188] ? find_held_lock+0x36/0x1c0 [ 291.973285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.977991] ? lock_downgrade+0x900/0x900 [ 291.982142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.987695] cache_grow_begin+0xa5/0x8c0 [ 291.991842] ? do_raw_spin_unlock+0xa7/0x330 [ 291.996266] fallback_alloc+0x204/0x2e0 [ 292.000244] ____cache_alloc_node+0x1c7/0x1e0 [ 292.004742] kmem_cache_alloc_node+0xe3/0x730 [ 292.009242] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.013877] __alloc_skb+0x119/0x770 [ 292.017595] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.022963] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.027378] ? vprintk_default+0x28/0x30 [ 292.031441] ? vprintk_func+0x85/0x181 [ 292.035331] ? printk+0xa7/0xcf [ 292.038612] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 292.043374] new_skb+0x26/0x1c0 [ 292.046668] aoecmd_cfg+0x279/0x7f0 [ 292.050291] ? find_held_lock+0x36/0x1c0 [ 292.054351] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 292.058674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.064235] ? __lock_is_held+0xb5/0x140 [ 292.068305] discover_timer+0x50/0x60 [ 292.072132] call_timer_fn+0x272/0x920 [ 292.076015] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 292.080860] ? process_timeout+0x40/0x40 [ 292.084949] ? __run_timers+0x7da/0xc70 [ 292.088927] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.093419] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.097938] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 292.102774] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.107353] ? trace_hardirqs_on+0xbd/0x310 [ 292.111677] ? kasan_check_read+0x11/0x20 [ 292.115831] ? __run_timers+0x7da/0xc70 [ 292.119840] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.125012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.129254] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 292.134099] __run_timers+0x7e5/0xc70 [ 292.137909] ? timer_fixup_init+0x70/0x70 [ 292.142092] ? find_held_lock+0x36/0x1c0 [ 292.146160] ? __schedule+0x168a/0x21d0 [ 292.150135] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.154643] ? pvclock_read_flags+0x160/0x160 [ 292.159175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.164729] ? check_preemption_disabled+0x48/0x280 [ 292.169796] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 292.175346] ? rcu_pm_notify+0xc0/0xc0 [ 292.179261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.184796] ? check_preemption_disabled+0x48/0x280 [ 292.189829] run_timer_softirq+0x52/0xb0 [ 292.193914] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.198933] __do_softirq+0x308/0xb7e [ 292.202740] ? retint_kernel+0x2d/0x2d [ 292.206635] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.211740] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.217196] ? finish_task_switch+0x2f4/0x910 [ 292.221699] ? schedule+0x108/0x460 [ 292.225333] ? trace_hardirqs_off+0xb8/0x310 [ 292.229755] ? smpboot_thread_fn+0x68b/0xa00 [ 292.234172] ? trace_hardirqs_on+0x310/0x310 [ 292.238577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.244113] ? check_preemption_disabled+0x48/0x280 [ 292.249130] ? takeover_tasklets+0xa90/0xa90 [ 292.253537] run_ksoftirqd+0x5e/0x100 [ 292.257356] smpboot_thread_fn+0x68b/0xa00 [ 292.261621] ? sort_range+0x30/0x30 [ 292.265258] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.270375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.275913] ? __kthread_parkme+0xfb/0x1a0 [ 292.280179] ? sort_range+0x30/0x30 [ 292.283802] kthread+0x35a/0x440 [ 292.287198] ? kthread_stop+0x900/0x900 [ 292.291243] ret_from_fork+0x3a/0x50 [ 292.294993] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 292.295051] aoe: skb alloc failure [ 292.302347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.302352] Call Trace: [ 292.302359] [ 292.302383] dump_stack+0x244/0x39d [ 292.302402] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.305974] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.315276] warn_alloc.cold.116+0xb7/0x1bd [ 292.317834] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 292.319987] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.352912] ? lock_downgrade+0x900/0x900 [ 292.357069] ? trace_hardirqs_off+0xb8/0x310 [ 292.361480] ? trace_hardirqs_off+0xb8/0x310 [ 292.365896] __alloc_pages_slowpath+0x2651/0x2de0 [ 292.370768] ? warn_alloc+0x120/0x120 [ 292.374565] ? print_usage_bug+0xc0/0xc0 [ 292.378629] ? warn_alloc+0x120/0x120 [ 292.382430] ? warn_alloc+0x120/0x120 [ 292.386252] ? print_usage_bug+0xc0/0xc0 [ 292.390329] ? print_usage_bug+0xc0/0xc0 [ 292.394392] ? __lock_acquire+0x62f/0x4c20 [ 292.398628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.404163] ? should_fail+0x22d/0xd01 [ 292.408068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.413168] ? __lock_acquire+0x62f/0x4c20 [ 292.417413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.422529] ? __lock_acquire+0x62f/0x4c20 [ 292.426760] ? should_fail+0x22d/0xd01 [ 292.430644] ? find_held_lock+0x36/0x1c0 [ 292.434714] ? mark_held_locks+0x130/0x130 [ 292.438954] ? mark_held_locks+0x130/0x130 [ 292.443185] ? zap_class+0x640/0x640 [ 292.446898] ? zap_class+0x640/0x640 [ 292.450618] ? print_usage_bug+0xc0/0xc0 [ 292.454704] ? do_raw_spin_unlock+0xa7/0x330 [ 292.459114] ? zap_class+0x640/0x640 [ 292.462840] ? print_usage_bug+0xc0/0xc0 [ 292.466919] ? wq_watchdog_touch+0x9c/0xfe [ 292.471185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.476754] ? check_preemption_disabled+0x48/0x280 [ 292.481781] ? __lock_is_held+0xb5/0x140 [ 292.485846] __alloc_pages_nodemask+0xad8/0xea0 [ 292.490539] ? zap_class+0x640/0x640 [ 292.494290] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 292.499330] ? find_held_lock+0x36/0x1c0 [ 292.503420] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.508089] ? lock_downgrade+0x900/0x900 [ 292.512246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.517787] cache_grow_begin+0xa5/0x8c0 [ 292.521849] ? do_raw_spin_unlock+0xa7/0x330 [ 292.526287] fallback_alloc+0x204/0x2e0 [ 292.530267] ____cache_alloc_node+0x1c7/0x1e0 [ 292.534780] kmem_cache_alloc_node+0xe3/0x730 [ 292.539281] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.543524] __alloc_skb+0x119/0x770 [ 292.547242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.552525] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.556934] ? lock_downgrade+0x900/0x900 [ 292.561086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.566623] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.572074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.577523] ? addrconf_rs_timer+0x690/0x690 [ 292.581943] ndisc_alloc_skb+0x144/0x340 [ 292.586005] ndisc_send_rs+0x331/0x6e0 [ 292.589899] addrconf_rs_timer+0x314/0x690 [ 292.594136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.598385] call_timer_fn+0x272/0x920 [ 292.602271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.606507] ? process_timeout+0x40/0x40 [ 292.610572] ? __run_timers+0x7da/0xc70 [ 292.614561] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.619086] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.623578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.627816] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.632402] ? trace_hardirqs_on+0xbd/0x310 [ 292.636733] ? kasan_check_read+0x11/0x20 [ 292.640885] ? __run_timers+0x7da/0xc70 [ 292.644870] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.649976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.654217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.658449] __run_timers+0x7e5/0xc70 [ 292.662255] ? timer_fixup_init+0x70/0x70 [ 292.666404] ? kasan_check_read+0x11/0x20 [ 292.670550] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.675825] ? rcu_softirq_qs+0x20/0x20 [ 292.679819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.685358] ? check_preemption_disabled+0x48/0x280 [ 292.690389] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.695154] ? retint_kernel+0x2d/0x2d [ 292.699055] ? trace_hardirqs_on_caller+0xc0/0x310 [ 292.703985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.708742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.714217] ? zap_class+0x640/0x640 [ 292.717947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.723485] ? check_preemption_disabled+0x48/0x280 [ 292.728508] ? __lock_is_held+0xb5/0x140 [ 292.732569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.738104] ? check_preemption_disabled+0x48/0x280 [ 292.743134] run_timer_softirq+0x52/0xb0 [ 292.747216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.752228] __do_softirq+0x308/0xb7e [ 292.756028] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 292.760519] ? lock_downgrade+0x900/0x900 [ 292.764667] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.769774] ? pvclock_read_flags+0x160/0x160 [ 292.774268] ? lapic_next_event+0x5a/0x90 [ 292.778416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.783956] ? kvm_clock_read+0x18/0x30 [ 292.787924] ? kvm_sched_clock_read+0x9/0x20 [ 292.792329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.797903] ? check_preemption_disabled+0x48/0x280 [ 292.802929] irq_exit+0x17f/0x1c0 [ 292.806386] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.811245] ? smp_call_function_single_interrupt+0x159/0x650 [ 292.817149] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.823032] ? interrupt_entry+0xb5/0xc0 [ 292.827121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.832132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.837155] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.842000] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.847019] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.852034] ? task_prio+0x50/0x50 [ 292.855595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.861134] ? check_preemption_disabled+0x48/0x280 [ 292.866156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.871011] apic_timer_interrupt+0xf/0x20 [ 292.875239] [ 292.877495] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 292.883399] 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 [ 292.902296] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.910005] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.917270] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 292.924537] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 292.931800] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 292.939074] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 292.946367] ? save_stack+0xa9/0xd0 [ 292.950007] __kmalloc_node_track_caller+0x3c/0x70 [ 292.954955] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 292.959718] pskb_expand_head+0x230/0x10f0 [ 292.963967] ? memcpy+0x45/0x50 [ 292.967252] ? __copy_skb_header+0x350/0x6b0 [ 292.971674] ? skb_release_data+0x880/0x880 [ 292.975999] ? __alloc_skb+0x770/0x770 [ 292.979899] ? __lock_is_held+0xb5/0x140 [ 292.983971] ? kasan_check_write+0x14/0x20 [ 292.988207] ? __skb_clone+0x6c7/0xa00 [ 292.992111] ? __copy_skb_header+0x6b0/0x6b0 [ 292.996546] ? kmem_cache_alloc+0x33a/0x730 [ 293.000878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.006437] skb_ensure_writable+0x3dd/0x640 [ 293.010848] ? skb_checksum_setup+0xaa0/0xaa0 [ 293.015381] ? preempt_notifier_register+0x200/0x200 [ 293.020483] ? __switch_to_asm+0x34/0x70 [ 293.024585] ? __switch_to_asm+0x34/0x70 [ 293.028643] ? __switch_to_asm+0x40/0x70 [ 293.032699] ? __switch_to_asm+0x34/0x70 [ 293.036755] ? __switch_to_asm+0x40/0x70 [ 293.040811] ? __switch_to_asm+0x40/0x70 [ 293.044879] ? __switch_to_asm+0x34/0x70 [ 293.048942] ? __switch_to_asm+0x34/0x70 [ 293.053002] ? __switch_to_asm+0x40/0x70 [ 293.057093] ? __switch_to_asm+0x34/0x70 [ 293.061170] bpf_clone_redirect+0x14a/0x490 [ 293.065500] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 293.070446] ? __sched_text_start+0x8/0x8 [ 293.074612] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.079191] ? retint_kernel+0x2d/0x2d [ 293.083096] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.088031] ? find_held_lock+0x36/0x1c0 [ 293.092573] ? lock_acquire+0x1ed/0x520 [ 293.096548] ? bpf_test_run+0x3cb/0x780 [ 293.100522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.106060] ? check_preemption_disabled+0x48/0x280 [ 293.111082] ? kasan_check_read+0x11/0x20 [ 293.115232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.120507] ? rcu_softirq_qs+0x20/0x20 [ 293.124484] ? preempt_schedule+0x4d/0x60 [ 293.128625] ? ___preempt_schedule+0x16/0x18 [ 293.133037] ? bpf_test_run+0x25d/0x780 [ 293.137019] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.141425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.146987] ? bpf_test_init.isra.10+0x70/0x100 [ 293.151672] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 293.156436] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.161312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.166857] ? fput+0x130/0x1a0 [ 293.170145] ? __bpf_prog_get+0x9b/0x290 [ 293.174213] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.179057] ? bpf_prog_test_run+0x130/0x1a0 [ 293.183470] ? __x64_sys_bpf+0x3d8/0x520 [ 293.187529] ? bpf_prog_get+0x20/0x20 [ 293.191341] ? do_syscall_64+0x1b9/0x820 [ 293.195402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.200767] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.205697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.210542] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.215564] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.220587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.225436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.230807] warn_alloc_show_mem: 1 callbacks suppressed [ 293.230818] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 293.230820] Mem-Info: [ 293.230859] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 293.230859] active_file:12 inactive_file:11 isolated_file:0 [ 293.230859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.230859] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 293.230859] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 293.230859] free:13794 free_pcp:515 free_cma:0 [ 293.236193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.243037] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.245434] Call Trace: [ 293.278339] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.287703] dump_stack+0x244/0x39d [ 293.315174] lowmem_reserve[]: 0 2818 6321 6321 [ 293.317770] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.343859] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 293.347495] warn_alloc.cold.116+0xb7/0x1bd [ 293.352043] lowmem_reserve[]: 0 0 3503 3503 [ 293.357246] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.384543] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 293.388863] ? lock_downgrade+0x900/0x900 [ 293.393186] lowmem_reserve[]: 0 0 0 0 [ 293.398023] ? trace_hardirqs_off+0xb8/0x310 [ 293.427095] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 293.431266] ? trace_hardirqs_off+0xb8/0x310 [ 293.435038] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 293.439455] __alloc_pages_slowpath+0x2651/0x2de0 [ 293.452949] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 293.457372] ? warn_alloc+0x120/0x120 [ 293.472349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.477178] ? warn_alloc+0x120/0x120 [ 293.492163] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.495973] ? warn_alloc+0x120/0x120 [ 293.504781] 267 total pagecache pages [ 293.508588] ? print_usage_bug+0xc0/0xc0 [ 293.517165] 0 pages in swap cache [ 293.520968] ? print_usage_bug+0xc0/0xc0 [ 293.524743] Swap cache stats: add 0, delete 0, find 0/0 [ 293.528824] ? mark_held_locks+0x130/0x130 [ 293.532270] Free swap = 0kB [ 293.536325] ? mark_held_locks+0x130/0x130 [ 293.541694] Total swap = 0kB [ 293.545920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.548913] 1965979 pages RAM [ 293.553140] ? should_fail+0x22d/0xd01 [ 293.556161] 0 pages HighMem/MovableOnly [ 293.561706] ? zap_class+0x640/0x640 [ 293.564801] 342854 pages reserved [ 293.568694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.572644] 0 pages cma reserved [ 293.576361] ? __lock_acquire+0x62f/0x4c20 [ 293.579892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.584920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.588338] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.592489] ? __lock_acquire+0x62f/0x4c20 [ 293.598954] syz-executor0 cpuset=syz0 mems_allowed=0 [ 293.604048] ? should_fail+0x22d/0xd01 [ 293.627765] ? mark_held_locks+0x130/0x130 [ 293.632003] ? mark_held_locks+0x130/0x130 [ 293.636244] ? lock_downgrade+0x900/0x900 [ 293.640407] ? zap_class+0x640/0x640 [ 293.644145] ? zap_class+0x640/0x640 [ 293.647864] ? do_raw_spin_unlock+0xa7/0x330 [ 293.652313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.657114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.662652] ? check_preemption_disabled+0x48/0x280 [ 293.667673] ? __lock_is_held+0xb5/0x140 [ 293.671738] __alloc_pages_nodemask+0xad8/0xea0 [ 293.676404] ? zap_class+0x640/0x640 [ 293.680121] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 293.685150] ? find_held_lock+0x36/0x1c0 [ 293.689220] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.693897] ? lock_downgrade+0x900/0x900 [ 293.698052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.703595] cache_grow_begin+0xa5/0x8c0 [ 293.707667] ? do_raw_spin_unlock+0xa7/0x330 [ 293.712089] fallback_alloc+0x204/0x2e0 [ 293.716073] ____cache_alloc_node+0x1c7/0x1e0 [ 293.720574] kmem_cache_alloc_node+0xe3/0x730 [ 293.725069] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.729658] __alloc_skb+0x119/0x770 [ 293.733372] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.738736] ? netdev_alloc_frag+0x1f0/0x1f0 [ 293.743166] ? vprintk_default+0x28/0x30 [ 293.747242] ? vprintk_func+0x85/0x181 [ 293.751130] ? printk+0xa7/0xcf [ 293.754412] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 293.759179] new_skb+0x26/0x1c0 [ 293.762459] aoecmd_cfg+0x279/0x7f0 [ 293.766114] ? find_held_lock+0x36/0x1c0 [ 293.770175] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 293.774496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.780041] ? __lock_is_held+0xb5/0x140 [ 293.784115] discover_timer+0x50/0x60 [ 293.787917] call_timer_fn+0x272/0x920 [ 293.791831] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.796705] ? process_timeout+0x40/0x40 [ 293.800774] ? __run_timers+0x7da/0xc70 [ 293.804754] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.809246] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.813739] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.818596] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.823175] ? trace_hardirqs_on+0xbd/0x310 [ 293.827490] ? kasan_check_read+0x11/0x20 [ 293.831631] ? __run_timers+0x7da/0xc70 [ 293.835624] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.840736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.844976] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 293.849813] __run_timers+0x7e5/0xc70 [ 293.853624] ? timer_fixup_init+0x70/0x70 [ 293.857827] ? find_held_lock+0x36/0x1c0 [ 293.861907] ? __schedule+0x168a/0x21d0 [ 293.865892] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.870398] ? pvclock_read_flags+0x160/0x160 [ 293.874911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.880449] ? check_preemption_disabled+0x48/0x280 [ 293.885469] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 293.891003] ? rcu_pm_notify+0xc0/0xc0 [ 293.894897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.900464] ? check_preemption_disabled+0x48/0x280 [ 293.905501] run_timer_softirq+0x52/0xb0 [ 293.909560] ? rcu_read_lock_sched_held+0x14f/0x180 [ 293.914579] __do_softirq+0x308/0xb7e [ 293.918385] ? retint_kernel+0x2d/0x2d [ 293.922280] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 293.927392] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.932844] ? finish_task_switch+0x2f4/0x910 [ 293.937363] ? schedule+0x108/0x460 [ 293.941003] ? trace_hardirqs_off+0xb8/0x310 [ 293.945416] ? smpboot_thread_fn+0x68b/0xa00 [ 293.949842] ? trace_hardirqs_on+0x310/0x310 [ 293.954279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.960280] ? check_preemption_disabled+0x48/0x280 [ 293.965316] ? takeover_tasklets+0xa90/0xa90 [ 293.969745] run_ksoftirqd+0x5e/0x100 [ 293.973572] smpboot_thread_fn+0x68b/0xa00 [ 293.977808] ? sort_range+0x30/0x30 [ 293.981433] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.986536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.992074] ? __kthread_parkme+0xfb/0x1a0 [ 293.996331] ? sort_range+0x30/0x30 [ 293.999975] kthread+0x35a/0x440 [ 294.003341] ? kthread_stop+0x900/0x900 [ 294.007355] ret_from_fork+0x3a/0x50 [ 294.011084] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 294.011166] aoe: skb alloc failure [ 294.018443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.018449] Call Trace: [ 294.018455] [ 294.018472] dump_stack+0x244/0x39d [ 294.018491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.022038] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.031370] warn_alloc.cold.116+0xb7/0x1bd [ 294.033930] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 294.036093] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.068977] ? lock_downgrade+0x900/0x900 [ 294.073133] ? trace_hardirqs_off+0xb8/0x310 [ 294.077546] ? trace_hardirqs_off+0xb8/0x310 [ 294.081965] __alloc_pages_slowpath+0x2651/0x2de0 [ 294.086848] ? warn_alloc+0x120/0x120 [ 294.090656] ? print_usage_bug+0xc0/0xc0 [ 294.094720] ? warn_alloc+0x120/0x120 [ 294.098527] ? warn_alloc+0x120/0x120 [ 294.102327] ? print_usage_bug+0xc0/0xc0 [ 294.106395] ? kvm_clock_read+0x18/0x30 [ 294.110370] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 294.115415] ? print_usage_bug+0xc0/0xc0 [ 294.119537] ? __lock_acquire+0x62f/0x4c20 [ 294.123790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.129324] ? should_fail+0x22d/0xd01 [ 294.133222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.138507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.143613] ? __lock_acquire+0x62f/0x4c20 [ 294.147860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.152964] ? __lock_acquire+0x62f/0x4c20 [ 294.157198] ? should_fail+0x22d/0xd01 [ 294.161081] ? rcu_irq_exit+0x1a2/0x390 [ 294.165070] ? mark_held_locks+0x130/0x130 [ 294.169307] ? mark_held_locks+0x130/0x130 [ 294.173547] ? mark_held_locks+0xc7/0x130 [ 294.177709] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 294.182757] ? zap_class+0x640/0x640 [ 294.186469] ? print_usage_bug+0xc0/0xc0 [ 294.190534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.196069] ? check_preemption_disabled+0x48/0x280 [ 294.201092] ? __lock_is_held+0xb5/0x140 [ 294.205170] __alloc_pages_nodemask+0xad8/0xea0 [ 294.209867] ? zap_class+0x640/0x640 [ 294.213601] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 294.218637] ? find_held_lock+0x36/0x1c0 [ 294.222705] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.227381] ? lock_downgrade+0x900/0x900 [ 294.231536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.237077] cache_grow_begin+0xa5/0x8c0 [ 294.241141] ? do_raw_spin_unlock+0xa7/0x330 [ 294.245559] fallback_alloc+0x204/0x2e0 [ 294.249540] ____cache_alloc_node+0x1c7/0x1e0 [ 294.254070] kmem_cache_alloc_node+0xe3/0x730 [ 294.258564] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.262820] __alloc_skb+0x119/0x770 [ 294.266535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.271816] ? netdev_alloc_frag+0x1f0/0x1f0 [ 294.276229] ? lock_downgrade+0x900/0x900 [ 294.280387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.285926] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.291385] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.296939] ? addrconf_rs_timer+0x690/0x690 [ 294.301364] ndisc_alloc_skb+0x144/0x340 [ 294.305452] ndisc_send_rs+0x331/0x6e0 [ 294.309383] addrconf_rs_timer+0x314/0x690 [ 294.313621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.317876] call_timer_fn+0x272/0x920 [ 294.321768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.326007] ? process_timeout+0x40/0x40 [ 294.330076] ? __run_timers+0x7da/0xc70 [ 294.334067] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.338568] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.343075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.347323] ? lockdep_hardirqs_on+0x296/0x5b0 [ 294.351902] ? trace_hardirqs_on+0xbd/0x310 [ 294.356219] ? kasan_check_read+0x11/0x20 [ 294.360361] ? __run_timers+0x7da/0xc70 [ 294.364350] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.369461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.373696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.377925] __run_timers+0x7e5/0xc70 [ 294.381734] ? timer_fixup_init+0x70/0x70 [ 294.385881] ? kasan_check_read+0x11/0x20 [ 294.390038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.395318] ? rcu_softirq_qs+0x20/0x20 [ 294.399292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.404830] ? check_preemption_disabled+0x48/0x280 [ 294.409864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.414641] ? retint_kernel+0x2d/0x2d [ 294.418546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.423478] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.428239] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.433700] ? zap_class+0x640/0x640 [ 294.437422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.442964] ? check_preemption_disabled+0x48/0x280 [ 294.447990] ? __lock_is_held+0xb5/0x140 [ 294.452057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.457597] ? check_preemption_disabled+0x48/0x280 [ 294.462648] run_timer_softirq+0x52/0xb0 [ 294.466739] ? rcu_read_lock_sched_held+0x14f/0x180 [ 294.471753] __do_softirq+0x308/0xb7e [ 294.475557] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 294.480054] ? lock_downgrade+0x900/0x900 [ 294.484209] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 294.489323] ? pvclock_read_flags+0x160/0x160 [ 294.493818] ? lapic_next_event+0x5a/0x90 [ 294.497970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.503533] ? kvm_clock_read+0x18/0x30 [ 294.507508] ? kvm_sched_clock_read+0x9/0x20 [ 294.511918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.517455] ? check_preemption_disabled+0x48/0x280 [ 294.522478] irq_exit+0x17f/0x1c0 [ 294.525933] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.530778] ? smp_call_function_single_interrupt+0x159/0x650 [ 294.536663] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.542546] ? interrupt_entry+0xb5/0xc0 [ 294.546606] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.551621] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.556652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.561515] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.566530] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.571545] ? task_prio+0x50/0x50 [ 294.575090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.580630] ? check_preemption_disabled+0x48/0x280 [ 294.585651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.590502] apic_timer_interrupt+0xf/0x20 [ 294.594725] [ 294.596968] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 294.602859] 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 [ 294.621777] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.629481] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.636745] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 294.644024] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 294.651316] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 294.658600] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 294.665899] ? save_stack+0xa9/0xd0 [ 294.669554] __kmalloc_node_track_caller+0x3c/0x70 [ 294.674506] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 294.679284] pskb_expand_head+0x230/0x10f0 [ 294.683522] ? memcpy+0x45/0x50 [ 294.686801] ? __copy_skb_header+0x350/0x6b0 [ 294.691212] ? skb_release_data+0x880/0x880 [ 294.695537] ? __alloc_skb+0x770/0x770 [ 294.699438] ? __lock_is_held+0xb5/0x140 [ 294.703506] ? kasan_check_write+0x14/0x20 [ 294.707744] ? __skb_clone+0x6c7/0xa00 [ 294.711651] ? __copy_skb_header+0x6b0/0x6b0 [ 294.716060] ? kmem_cache_alloc+0x33a/0x730 [ 294.720389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.725940] skb_ensure_writable+0x3dd/0x640 [ 294.730353] ? skb_checksum_setup+0xaa0/0xaa0 [ 294.734862] ? preempt_notifier_register+0x200/0x200 [ 294.739966] ? __switch_to_asm+0x34/0x70 [ 294.744025] ? __switch_to_asm+0x34/0x70 [ 294.748088] ? __switch_to_asm+0x40/0x70 [ 294.752148] ? __switch_to_asm+0x34/0x70 [ 294.756213] ? __switch_to_asm+0x40/0x70 [ 294.760272] ? __switch_to_asm+0x40/0x70 [ 294.764336] ? __switch_to_asm+0x34/0x70 [ 294.768398] ? __switch_to_asm+0x34/0x70 [ 294.772457] ? __switch_to_asm+0x40/0x70 [ 294.776516] ? __switch_to_asm+0x34/0x70 [ 294.780580] bpf_clone_redirect+0x14a/0x490 [ 294.784912] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 294.789858] ? __sched_text_start+0x8/0x8 [ 294.794012] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.798592] ? retint_kernel+0x2d/0x2d [ 294.802479] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.807417] ? find_held_lock+0x36/0x1c0 [ 294.811516] ? lock_acquire+0x1ed/0x520 [ 294.815518] ? bpf_test_run+0x3cb/0x780 [ 294.819490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.825043] ? check_preemption_disabled+0x48/0x280 [ 294.830066] ? kasan_check_read+0x11/0x20 [ 294.834215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.839510] ? rcu_softirq_qs+0x20/0x20 [ 294.843486] ? preempt_schedule+0x4d/0x60 [ 294.847634] ? ___preempt_schedule+0x16/0x18 [ 294.852052] ? bpf_test_run+0x25d/0x780 [ 294.856044] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.860462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.866004] ? bpf_test_init.isra.10+0x70/0x100 [ 294.870679] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 294.875471] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.880316] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.885860] ? fput+0x130/0x1a0 [ 294.889146] ? __bpf_prog_get+0x9b/0x290 [ 294.893241] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.898086] ? bpf_prog_test_run+0x130/0x1a0 [ 294.902499] ? __x64_sys_bpf+0x3d8/0x520 [ 294.906562] ? bpf_prog_get+0x20/0x20 [ 294.910397] ? do_syscall_64+0x1b9/0x820 [ 294.914459] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 294.919824] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.924763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.929606] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.934630] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.939667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.944519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.949897] warn_alloc_show_mem: 1 callbacks suppressed [ 294.949909] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 294.949910] Mem-Info: [ 294.949940] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 294.949940] active_file:12 inactive_file:11 isolated_file:0 [ 294.949940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.949940] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 294.949940] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 294.949940] free:13794 free_pcp:515 free_cma:0 [ 294.955291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.962162] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 294.964560] Call Trace: [ 294.997437] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 295.006790] dump_stack+0x244/0x39d [ 295.034266] lowmem_reserve[]: 0 2818 6321 6321 [ 295.036869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.062955] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 295.066581] warn_alloc.cold.116+0xb7/0x1bd [ 295.071129] lowmem_reserve[]: 0 0 3503 3503 [ 295.076313] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.104120] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 295.108451] ? lock_downgrade+0x900/0x900 [ 295.112760] lowmem_reserve[]: 0 0 0 0 [ 295.117598] ? trace_hardirqs_off+0xb8/0x310 [ 295.146633] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 295.150777] ? trace_hardirqs_off+0xb8/0x310 [ 295.154549] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 295.158957] __alloc_pages_slowpath+0x2651/0x2de0 [ 295.172455] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 295.176923] ? warn_alloc+0x120/0x120 [ 295.191872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.196711] ? warn_alloc+0x120/0x120 [ 295.211813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.215613] ? warn_alloc+0x120/0x120 [ 295.224439] 267 total pagecache pages [ 295.228234] ? print_usage_bug+0xc0/0xc0 [ 295.236792] 0 pages in swap cache [ 295.240580] ? print_usage_bug+0xc0/0xc0 [ 295.244373] Swap cache stats: add 0, delete 0, find 0/0 [ 295.248425] ? mark_held_locks+0x130/0x130 [ 295.251885] Free swap = 0kB [ 295.255954] ? mark_held_locks+0x130/0x130 [ 295.261299] Total swap = 0kB [ 295.265542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.268540] 1965979 pages RAM [ 295.272766] ? should_fail+0x22d/0xd01 [ 295.275756] 0 pages HighMem/MovableOnly [ 295.281283] ? zap_class+0x640/0x640 [ 295.284381] 342854 pages reserved [ 295.288262] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.292225] 0 pages cma reserved [ 295.295933] ? __lock_acquire+0x62f/0x4c20 [ 295.299428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.304484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.307931] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.312058] ? __lock_acquire+0x62f/0x4c20 [ 295.318526] syz-executor0 cpuset=syz0 mems_allowed=0 [ 295.323620] ? should_fail+0x22d/0xd01 [ 295.347275] ? mark_held_locks+0x130/0x130 [ 295.351519] ? mark_held_locks+0x130/0x130 [ 295.355756] ? lock_downgrade+0x900/0x900 [ 295.359913] ? zap_class+0x640/0x640 [ 295.363646] ? zap_class+0x640/0x640 [ 295.367372] ? zap_class+0x640/0x640 [ 295.371084] ? do_raw_spin_unlock+0xa7/0x330 [ 295.375493] ? trace_hardirqs_on+0x310/0x310 [ 295.379906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.385444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.390987] ? check_preemption_disabled+0x48/0x280 [ 295.396017] ? __lock_is_held+0xb5/0x140 [ 295.400085] __alloc_pages_nodemask+0xad8/0xea0 [ 295.404753] ? zap_class+0x640/0x640 [ 295.408474] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 295.413504] ? find_held_lock+0x36/0x1c0 [ 295.417575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.422278] ? lock_downgrade+0x900/0x900 [ 295.426432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.431981] cache_grow_begin+0xa5/0x8c0 [ 295.436045] ? do_raw_spin_unlock+0xa7/0x330 [ 295.440462] fallback_alloc+0x204/0x2e0 [ 295.444462] ____cache_alloc_node+0x1c7/0x1e0 [ 295.448969] kmem_cache_alloc_node+0xe3/0x730 [ 295.453467] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.458065] __alloc_skb+0x119/0x770 [ 295.461798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.467166] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.471584] ? vprintk_default+0x28/0x30 [ 295.475646] ? vprintk_func+0x85/0x181 [ 295.479538] ? printk+0xa7/0xcf [ 295.482835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 295.487643] new_skb+0x26/0x1c0 [ 295.490926] aoecmd_cfg+0x279/0x7f0 [ 295.494556] ? find_held_lock+0x36/0x1c0 [ 295.498619] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 295.502977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.508537] ? __lock_is_held+0xb5/0x140 [ 295.512634] discover_timer+0x50/0x60 [ 295.516436] call_timer_fn+0x272/0x920 [ 295.520328] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 295.525171] ? process_timeout+0x40/0x40 [ 295.529242] ? __run_timers+0x7da/0xc70 [ 295.533218] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.537712] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.542206] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 295.547049] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.551660] ? trace_hardirqs_on+0xbd/0x310 [ 295.555983] ? kasan_check_read+0x11/0x20 [ 295.560133] ? __run_timers+0x7da/0xc70 [ 295.564126] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.569252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.573506] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 295.578358] __run_timers+0x7e5/0xc70 [ 295.582166] ? timer_fixup_init+0x70/0x70 [ 295.586336] ? find_held_lock+0x36/0x1c0 [ 295.590408] ? __schedule+0x168a/0x21d0 [ 295.594400] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.598922] ? pvclock_read_flags+0x160/0x160 [ 295.603421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.608991] ? check_preemption_disabled+0x48/0x280 [ 295.614019] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 295.619556] ? rcu_pm_notify+0xc0/0xc0 [ 295.623443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.628983] ? check_preemption_disabled+0x48/0x280 [ 295.634007] run_timer_softirq+0x52/0xb0 [ 295.638068] ? rcu_read_lock_sched_held+0x14f/0x180 [ 295.643090] __do_softirq+0x308/0xb7e [ 295.646898] ? retint_kernel+0x2d/0x2d [ 295.650792] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 295.655897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.661346] ? finish_task_switch+0x2f4/0x910 [ 295.665845] ? schedule+0x108/0x460 [ 295.669496] ? trace_hardirqs_off+0xb8/0x310 [ 295.673924] ? smpboot_thread_fn+0x68b/0xa00 [ 295.678332] ? trace_hardirqs_on+0x310/0x310 [ 295.682744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.688283] ? check_preemption_disabled+0x48/0x280 [ 295.693303] ? takeover_tasklets+0xa90/0xa90 [ 295.697714] run_ksoftirqd+0x5e/0x100 [ 295.701519] smpboot_thread_fn+0x68b/0xa00 [ 295.705764] ? sort_range+0x30/0x30 [ 295.709394] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.714530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.720087] ? __kthread_parkme+0xfb/0x1a0 [ 295.724330] ? sort_range+0x30/0x30 [ 295.727959] kthread+0x35a/0x440 [ 295.731331] ? kthread_stop+0x900/0x900 [ 295.735311] ret_from_fork+0x3a/0x50 [ 295.739068] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 295.739129] aoe: skb alloc failure [ 295.746430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.746435] Call Trace: [ 295.746441] [ 295.746458] dump_stack+0x244/0x39d [ 295.746476] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.750020] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.759387] warn_alloc.cold.116+0xb7/0x1bd [ 295.761944] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 295.764104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.796973] ? lock_downgrade+0x900/0x900 [ 295.801132] ? trace_hardirqs_off+0xb8/0x310 [ 295.805563] ? trace_hardirqs_off+0xb8/0x310 [ 295.809982] __alloc_pages_slowpath+0x2651/0x2de0 [ 295.814860] ? warn_alloc+0x120/0x120 [ 295.818667] ? print_usage_bug+0xc0/0xc0 [ 295.822743] ? warn_alloc+0x120/0x120 [ 295.826577] ? warn_alloc+0x120/0x120 [ 295.830385] ? print_usage_bug+0xc0/0xc0 [ 295.834476] ? kvm_clock_read+0x18/0x30 [ 295.838477] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.843494] ? print_usage_bug+0xc0/0xc0 [ 295.847571] ? __lock_acquire+0x62f/0x4c20 [ 295.851815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.857353] ? should_fail+0x22d/0xd01 [ 295.861244] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.866526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.871632] ? __lock_acquire+0x62f/0x4c20 [ 295.875889] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.880994] ? __lock_acquire+0x62f/0x4c20 [ 295.885229] ? should_fail+0x22d/0xd01 [ 295.889114] ? rcu_irq_exit+0x1a2/0x390 [ 295.893104] ? mark_held_locks+0x130/0x130 [ 295.897348] ? mark_held_locks+0x130/0x130 [ 295.901595] ? mark_held_locks+0xc7/0x130 [ 295.905745] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 295.910763] ? zap_class+0x640/0x640 [ 295.914478] ? print_usage_bug+0xc0/0xc0 [ 295.918544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.924088] ? check_preemption_disabled+0x48/0x280 [ 295.929114] ? __lock_is_held+0xb5/0x140 [ 295.933207] __alloc_pages_nodemask+0xad8/0xea0 [ 295.937882] ? zap_class+0x640/0x640 [ 295.941605] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 295.946630] ? find_held_lock+0x36/0x1c0 [ 295.950718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.955410] ? lock_downgrade+0x900/0x900 [ 295.959588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.965153] cache_grow_begin+0xa5/0x8c0 [ 295.969215] ? do_raw_spin_unlock+0xa7/0x330 [ 295.973658] fallback_alloc+0x204/0x2e0 [ 295.977648] ____cache_alloc_node+0x1c7/0x1e0 [ 295.982169] kmem_cache_alloc_node+0xe3/0x730 [ 295.986679] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.990936] __alloc_skb+0x119/0x770 [ 295.994647] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.999945] ? netdev_alloc_frag+0x1f0/0x1f0 [ 296.004353] ? lock_downgrade+0x900/0x900 [ 296.008514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.014053] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.019508] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.024967] ? addrconf_rs_timer+0x690/0x690 [ 296.029410] ndisc_alloc_skb+0x144/0x340 [ 296.033483] ndisc_send_rs+0x331/0x6e0 [ 296.037419] addrconf_rs_timer+0x314/0x690 [ 296.041662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.045913] call_timer_fn+0x272/0x920 [ 296.049802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.054039] ? process_timeout+0x40/0x40 [ 296.058107] ? __run_timers+0x7da/0xc70 [ 296.062102] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.066595] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.071090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.075325] ? lockdep_hardirqs_on+0x296/0x5b0 [ 296.079910] ? trace_hardirqs_on+0xbd/0x310 [ 296.084229] ? kasan_check_read+0x11/0x20 [ 296.088395] ? __run_timers+0x7da/0xc70 [ 296.092370] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.097499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.101743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.105977] __run_timers+0x7e5/0xc70 [ 296.109806] ? timer_fixup_init+0x70/0x70 [ 296.113958] ? kasan_check_read+0x11/0x20 [ 296.118109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.123391] ? rcu_softirq_qs+0x20/0x20 [ 296.127369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.132921] ? check_preemption_disabled+0x48/0x280 [ 296.137944] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.142705] ? retint_kernel+0x2d/0x2d [ 296.146593] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.151522] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.156284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.161737] ? zap_class+0x640/0x640 [ 296.165460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.170998] ? check_preemption_disabled+0x48/0x280 [ 296.176042] ? __lock_is_held+0xb5/0x140 [ 296.180104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.185644] ? check_preemption_disabled+0x48/0x280 [ 296.190667] run_timer_softirq+0x52/0xb0 [ 296.194732] ? rcu_read_lock_sched_held+0x14f/0x180 [ 296.199750] __do_softirq+0x308/0xb7e [ 296.203559] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 296.208054] ? lock_downgrade+0x900/0x900 [ 296.212224] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 296.217331] ? pvclock_read_flags+0x160/0x160 [ 296.221828] ? lapic_next_event+0x5a/0x90 [ 296.225987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.231528] ? kvm_clock_read+0x18/0x30 [ 296.235502] ? kvm_sched_clock_read+0x9/0x20 [ 296.239946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.245488] ? check_preemption_disabled+0x48/0x280 [ 296.250515] irq_exit+0x17f/0x1c0 [ 296.253969] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.258812] ? smp_call_function_single_interrupt+0x159/0x650 [ 296.264719] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.270607] ? interrupt_entry+0xb5/0xc0 [ 296.274673] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.279687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.284731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.289577] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.294594] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.299611] ? task_prio+0x50/0x50 [ 296.303168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.308708] ? check_preemption_disabled+0x48/0x280 [ 296.313736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.318587] apic_timer_interrupt+0xf/0x20 [ 296.322816] [ 296.325080] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 296.330965] 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 [ 296.349870] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 296.357591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.364879] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 296.372177] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 296.379443] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 296.386713] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 296.394005] ? save_stack+0xa9/0xd0 [ 296.397642] __kmalloc_node_track_caller+0x3c/0x70 [ 296.402573] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 296.407335] pskb_expand_head+0x230/0x10f0 [ 296.411580] ? memcpy+0x45/0x50 [ 296.414875] ? __copy_skb_header+0x350/0x6b0 [ 296.419303] ? skb_release_data+0x880/0x880 [ 296.423627] ? __alloc_skb+0x770/0x770 [ 296.427540] ? __lock_is_held+0xb5/0x140 [ 296.431611] ? kasan_check_write+0x14/0x20 [ 296.435850] ? __skb_clone+0x6c7/0xa00 [ 296.439750] ? __copy_skb_header+0x6b0/0x6b0 [ 296.444158] ? kmem_cache_alloc+0x33a/0x730 [ 296.448482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.454032] skb_ensure_writable+0x3dd/0x640 [ 296.458445] ? skb_checksum_setup+0xaa0/0xaa0 [ 296.462947] ? preempt_notifier_register+0x200/0x200 [ 296.468048] ? __switch_to_asm+0x34/0x70 [ 296.472112] ? __switch_to_asm+0x34/0x70 [ 296.476173] ? __switch_to_asm+0x40/0x70 [ 296.480231] ? __switch_to_asm+0x34/0x70 [ 296.484289] ? __switch_to_asm+0x40/0x70 [ 296.488348] ? __switch_to_asm+0x40/0x70 [ 296.492416] ? __switch_to_asm+0x34/0x70 [ 296.496475] ? __switch_to_asm+0x34/0x70 [ 296.500535] ? __switch_to_asm+0x40/0x70 [ 296.504596] ? __switch_to_asm+0x34/0x70 [ 296.508660] bpf_clone_redirect+0x14a/0x490 [ 296.512997] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 296.517929] ? __sched_text_start+0x8/0x8 [ 296.522079] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.526663] ? retint_kernel+0x2d/0x2d [ 296.530555] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.535487] ? find_held_lock+0x36/0x1c0 [ 296.539556] ? lock_acquire+0x1ed/0x520 [ 296.543529] ? bpf_test_run+0x3cb/0x780 [ 296.547501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.553042] ? check_preemption_disabled+0x48/0x280 [ 296.558063] ? kasan_check_read+0x11/0x20 [ 296.562211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.567503] ? rcu_softirq_qs+0x20/0x20 [ 296.571478] ? preempt_schedule+0x4d/0x60 [ 296.575668] ? ___preempt_schedule+0x16/0x18 [ 296.580101] ? bpf_test_run+0x25d/0x780 [ 296.584094] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.588505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.594057] ? bpf_test_init.isra.10+0x70/0x100 [ 296.598733] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 296.603497] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.608352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.613897] ? fput+0x130/0x1a0 [ 296.617181] ? __bpf_prog_get+0x9b/0x290 [ 296.621259] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.626104] ? bpf_prog_test_run+0x130/0x1a0 [ 296.630514] ? __x64_sys_bpf+0x3d8/0x520 [ 296.634575] ? bpf_prog_get+0x20/0x20 [ 296.638402] ? do_syscall_64+0x1b9/0x820 [ 296.642466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.647837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.652771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.657615] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.662636] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.667675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.672553] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.677942] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 296.677947] warn_alloc_show_mem: 1 callbacks suppressed [ 296.677954] Mem-Info: [ 296.684790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.690174] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 296.690174] active_file:12 inactive_file:11 isolated_file:0 [ 296.690174] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.690174] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 296.690174] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 296.690174] free:13794 free_pcp:515 free_cma:0 [ 296.692547] Call Trace: [ 296.701908] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.701941] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 296.734815] dump_stack+0x244/0x39d [ 296.737380] lowmem_reserve[]: 0 2818 6321 6321 [ 296.764899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.791160] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 296.794787] warn_alloc.cold.116+0xb7/0x1bd [ 296.799340] lowmem_reserve[]: 0 0 3503 3503 [ 296.804528] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.831864] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 296.836224] ? lock_downgrade+0x900/0x900 [ 296.840518] lowmem_reserve[]: 0 0 0 0 [ 296.845360] ? trace_hardirqs_off+0xb8/0x310 [ 296.874397] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 296.878541] ? trace_hardirqs_off+0xb8/0x310 [ 296.882320] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 296.886723] __alloc_pages_slowpath+0x2651/0x2de0 [ 296.900229] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 296.904666] ? warn_alloc+0x120/0x120 [ 296.919624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.924466] ? warn_alloc+0x120/0x120 [ 296.939456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.943275] ? warn_alloc+0x120/0x120 [ 296.952087] 267 total pagecache pages [ 296.955897] ? print_usage_bug+0xc0/0xc0 [ 296.964449] 0 pages in swap cache [ 296.968239] ? print_usage_bug+0xc0/0xc0 [ 296.972017] Swap cache stats: add 0, delete 0, find 0/0 [ 296.976068] ? mark_held_locks+0x130/0x130 [ 296.979498] Free swap = 0kB [ 296.983549] ? mark_held_locks+0x130/0x130 [ 296.988882] Total swap = 0kB [ 296.988890] 1965979 pages RAM [ 296.993135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.996135] 0 pages HighMem/MovableOnly [ 297.000360] ? should_fail+0x22d/0xd01 [ 297.003362] 342854 pages reserved [ 297.006460] ? zap_class+0x640/0x640 [ 297.011987] 0 pages cma reserved [ 297.015971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.019895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.023287] ? __lock_acquire+0x62f/0x4c20 [ 297.027056] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.030337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.035431] syz-executor0 cpuset=syz0 mems_allowed=0 [ 297.041940] ? __lock_acquire+0x62f/0x4c20 [ 297.071083] ? should_fail+0x22d/0xd01 [ 297.074980] ? mark_held_locks+0x130/0x130 [ 297.079216] ? mark_held_locks+0x130/0x130 [ 297.083465] ? lock_downgrade+0x900/0x900 [ 297.087623] ? zap_class+0x640/0x640 [ 297.091464] ? zap_class+0x640/0x640 [ 297.095178] ? zap_class+0x640/0x640 [ 297.098925] ? do_raw_spin_unlock+0xa7/0x330 [ 297.103333] ? trace_hardirqs_on+0x310/0x310 [ 297.107741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.113275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.118814] ? check_preemption_disabled+0x48/0x280 [ 297.123840] ? __lock_is_held+0xb5/0x140 [ 297.127922] __alloc_pages_nodemask+0xad8/0xea0 [ 297.132591] ? zap_class+0x640/0x640 [ 297.136316] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 297.141352] ? find_held_lock+0x36/0x1c0 [ 297.145419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.150090] ? lock_downgrade+0x900/0x900 [ 297.154246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.159790] cache_grow_begin+0xa5/0x8c0 [ 297.163862] ? do_raw_spin_unlock+0xa7/0x330 [ 297.168286] fallback_alloc+0x204/0x2e0 [ 297.172279] ____cache_alloc_node+0x1c7/0x1e0 [ 297.176794] kmem_cache_alloc_node+0xe3/0x730 [ 297.181289] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.185890] __alloc_skb+0x119/0x770 [ 297.189638] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.195007] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.199426] ? vprintk_default+0x28/0x30 [ 297.203504] ? vprintk_func+0x85/0x181 [ 297.207395] ? printk+0xa7/0xcf [ 297.210694] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 297.215462] new_skb+0x26/0x1c0 [ 297.218758] aoecmd_cfg+0x279/0x7f0 [ 297.222386] ? find_held_lock+0x36/0x1c0 [ 297.226451] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 297.230781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.236337] ? __lock_is_held+0xb5/0x140 [ 297.240441] discover_timer+0x50/0x60 [ 297.244243] call_timer_fn+0x272/0x920 [ 297.248131] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 297.252985] ? process_timeout+0x40/0x40 [ 297.257056] ? __run_timers+0x7da/0xc70 [ 297.261040] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.265537] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.270032] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 297.274885] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.279466] ? trace_hardirqs_on+0xbd/0x310 [ 297.283798] ? kasan_check_read+0x11/0x20 [ 297.287945] ? __run_timers+0x7da/0xc70 [ 297.291921] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.297032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.301273] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 297.306118] __run_timers+0x7e5/0xc70 [ 297.309933] ? timer_fixup_init+0x70/0x70 [ 297.314094] ? find_held_lock+0x36/0x1c0 [ 297.318171] ? __schedule+0x168a/0x21d0 [ 297.322162] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.326670] ? pvclock_read_flags+0x160/0x160 [ 297.331171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.336707] ? check_preemption_disabled+0x48/0x280 [ 297.341732] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 297.347275] ? rcu_pm_notify+0xc0/0xc0 [ 297.351162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.356705] ? check_preemption_disabled+0x48/0x280 [ 297.361744] run_timer_softirq+0x52/0xb0 [ 297.365804] ? rcu_read_lock_sched_held+0x14f/0x180 [ 297.370821] __do_softirq+0x308/0xb7e [ 297.374626] ? retint_kernel+0x2d/0x2d [ 297.378516] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 297.383633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.389083] ? finish_task_switch+0x2f4/0x910 [ 297.393584] ? schedule+0x108/0x460 [ 297.397221] ? trace_hardirqs_off+0xb8/0x310 [ 297.401628] ? smpboot_thread_fn+0x68b/0xa00 [ 297.406039] ? trace_hardirqs_on+0x310/0x310 [ 297.410453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.416001] ? check_preemption_disabled+0x48/0x280 [ 297.421015] ? takeover_tasklets+0xa90/0xa90 [ 297.425424] run_ksoftirqd+0x5e/0x100 [ 297.429273] smpboot_thread_fn+0x68b/0xa00 [ 297.433515] ? sort_range+0x30/0x30 [ 297.437146] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.442249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.447785] ? __kthread_parkme+0xfb/0x1a0 [ 297.452048] ? sort_range+0x30/0x30 [ 297.455715] kthread+0x35a/0x440 [ 297.459084] ? kthread_stop+0x900/0x900 [ 297.463063] ret_from_fork+0x3a/0x50 [ 297.466791] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 297.466849] aoe: skb alloc failure [ 297.474172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.477750] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.487031] Call Trace: [ 297.497327] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 297.499901] [ 297.506698] dump_stack+0x244/0x39d [ 297.510330] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.515533] warn_alloc.cold.116+0xb7/0x1bd [ 297.519864] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.524711] ? lock_downgrade+0x900/0x900 [ 297.528875] ? trace_hardirqs_off+0xb8/0x310 [ 297.533292] ? trace_hardirqs_off+0xb8/0x310 [ 297.537708] __alloc_pages_slowpath+0x2651/0x2de0 [ 297.542575] ? warn_alloc+0x120/0x120 [ 297.546383] ? print_usage_bug+0xc0/0xc0 [ 297.550446] ? warn_alloc+0x120/0x120 [ 297.554250] ? warn_alloc+0x120/0x120 [ 297.558055] ? print_usage_bug+0xc0/0xc0 [ 297.562119] ? kvm_clock_read+0x18/0x30 [ 297.566095] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.571117] ? print_usage_bug+0xc0/0xc0 [ 297.575181] ? __lock_acquire+0x62f/0x4c20 [ 297.579423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.584980] ? should_fail+0x22d/0xd01 [ 297.588873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.594170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.599273] ? __lock_acquire+0x62f/0x4c20 [ 297.603511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.608613] ? __lock_acquire+0x62f/0x4c20 [ 297.612850] ? should_fail+0x22d/0xd01 [ 297.616774] ? rcu_irq_exit+0x1a2/0x390 [ 297.620768] ? mark_held_locks+0x130/0x130 [ 297.625038] ? mark_held_locks+0x130/0x130 [ 297.629283] ? mark_held_locks+0xc7/0x130 [ 297.633460] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 297.638490] ? zap_class+0x640/0x640 [ 297.642218] ? print_usage_bug+0xc0/0xc0 [ 297.646285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.651821] ? check_preemption_disabled+0x48/0x280 [ 297.656852] ? __lock_is_held+0xb5/0x140 [ 297.660957] __alloc_pages_nodemask+0xad8/0xea0 [ 297.665637] ? zap_class+0x640/0x640 [ 297.669352] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 297.674391] ? find_held_lock+0x36/0x1c0 [ 297.678460] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.683126] ? lock_downgrade+0x900/0x900 [ 297.687292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.692835] cache_grow_begin+0xa5/0x8c0 [ 297.696913] ? do_raw_spin_unlock+0xa7/0x330 [ 297.701342] fallback_alloc+0x204/0x2e0 [ 297.705318] ____cache_alloc_node+0x1c7/0x1e0 [ 297.709821] kmem_cache_alloc_node+0xe3/0x730 [ 297.714322] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.718569] __alloc_skb+0x119/0x770 [ 297.722279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.727558] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.731965] ? lock_downgrade+0x900/0x900 [ 297.736119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.741665] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.747132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.752596] ? addrconf_rs_timer+0x690/0x690 [ 297.757019] ndisc_alloc_skb+0x144/0x340 [ 297.761092] ndisc_send_rs+0x331/0x6e0 [ 297.765033] addrconf_rs_timer+0x314/0x690 [ 297.769274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.773517] call_timer_fn+0x272/0x920 [ 297.777409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.781691] ? process_timeout+0x40/0x40 [ 297.785778] ? __run_timers+0x7da/0xc70 [ 297.789767] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.794278] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.798774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.803029] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.807610] ? trace_hardirqs_on+0xbd/0x310 [ 297.811935] ? kasan_check_read+0x11/0x20 [ 297.816079] ? __run_timers+0x7da/0xc70 [ 297.820052] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.825166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.829411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.833653] __run_timers+0x7e5/0xc70 [ 297.837470] ? timer_fixup_init+0x70/0x70 [ 297.841619] ? kasan_check_read+0x11/0x20 [ 297.845786] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.851065] ? rcu_softirq_qs+0x20/0x20 [ 297.855042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.860610] ? check_preemption_disabled+0x48/0x280 [ 297.865635] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.870399] ? retint_kernel+0x2d/0x2d [ 297.874292] ? trace_hardirqs_on_caller+0xc0/0x310 [ 297.879225] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.883989] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.889446] ? zap_class+0x640/0x640 [ 297.893166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.898705] ? check_preemption_disabled+0x48/0x280 [ 297.903732] ? __lock_is_held+0xb5/0x140 [ 297.907795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.913335] ? check_preemption_disabled+0x48/0x280 [ 297.918356] run_timer_softirq+0x52/0xb0 [ 297.922425] ? rcu_read_lock_sched_held+0x14f/0x180 [ 297.927444] __do_softirq+0x308/0xb7e [ 297.931278] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 297.935773] ? lock_downgrade+0x900/0x900 [ 297.939941] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 297.945054] ? pvclock_read_flags+0x160/0x160 [ 297.949551] ? lapic_next_event+0x5a/0x90 [ 297.953707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.959416] ? kvm_clock_read+0x18/0x30 [ 297.963395] ? kvm_sched_clock_read+0x9/0x20 [ 297.967806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.973348] ? check_preemption_disabled+0x48/0x280 [ 297.978384] irq_exit+0x17f/0x1c0 [ 297.981839] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.986726] ? smp_call_function_single_interrupt+0x159/0x650 [ 297.992612] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.998493] ? interrupt_entry+0xb5/0xc0 [ 298.002553] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.007569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.012584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.017430] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.022443] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.027458] ? task_prio+0x50/0x50 [ 298.031001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.036542] ? check_preemption_disabled+0x48/0x280 [ 298.041565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.046421] apic_timer_interrupt+0xf/0x20 [ 298.050649] [ 298.052895] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 298.058781] 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 [ 298.077684] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 298.085395] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.092666] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 298.099941] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 298.107214] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 298.114484] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 298.121789] ? save_stack+0xa9/0xd0 [ 298.125430] __kmalloc_node_track_caller+0x3c/0x70 [ 298.130369] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 298.135141] pskb_expand_head+0x230/0x10f0 [ 298.139390] ? memcpy+0x45/0x50 [ 298.142674] ? __copy_skb_header+0x350/0x6b0 [ 298.147104] ? skb_release_data+0x880/0x880 [ 298.151428] ? __alloc_skb+0x770/0x770 [ 298.155331] ? __lock_is_held+0xb5/0x140 [ 298.159405] ? kasan_check_write+0x14/0x20 [ 298.163640] ? __skb_clone+0x6c7/0xa00 [ 298.167530] ? __copy_skb_header+0x6b0/0x6b0 [ 298.171936] ? kmem_cache_alloc+0x33a/0x730 [ 298.176261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.181805] skb_ensure_writable+0x3dd/0x640 [ 298.186219] ? skb_checksum_setup+0xaa0/0xaa0 [ 298.190725] ? preempt_notifier_register+0x200/0x200 [ 298.195830] ? __switch_to_asm+0x34/0x70 [ 298.199903] ? __switch_to_asm+0x34/0x70 [ 298.203986] ? __switch_to_asm+0x40/0x70 [ 298.208048] ? __switch_to_asm+0x34/0x70 [ 298.212116] ? __switch_to_asm+0x40/0x70 [ 298.216176] ? __switch_to_asm+0x40/0x70 [ 298.220240] ? __switch_to_asm+0x34/0x70 [ 298.224324] ? __switch_to_asm+0x34/0x70 [ 298.228401] ? __switch_to_asm+0x40/0x70 [ 298.232461] ? __switch_to_asm+0x34/0x70 [ 298.236525] bpf_clone_redirect+0x14a/0x490 [ 298.240861] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 298.245801] ? __sched_text_start+0x8/0x8 [ 298.249964] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.254542] ? retint_kernel+0x2d/0x2d [ 298.258430] ? trace_hardirqs_on_caller+0xc0/0x310 [ 298.263418] ? find_held_lock+0x36/0x1c0 [ 298.267489] ? lock_acquire+0x1ed/0x520 [ 298.271522] ? bpf_test_run+0x3cb/0x780 [ 298.275497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.281053] ? check_preemption_disabled+0x48/0x280 [ 298.286076] ? kasan_check_read+0x11/0x20 [ 298.290237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.295964] ? rcu_softirq_qs+0x20/0x20 [ 298.299942] ? preempt_schedule+0x4d/0x60 [ 298.304095] ? ___preempt_schedule+0x16/0x18 [ 298.308512] ? bpf_test_run+0x25d/0x780 [ 298.312526] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.316953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.322493] ? bpf_test_init.isra.10+0x70/0x100 [ 298.327172] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 298.331939] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.336783] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.342323] ? fput+0x130/0x1a0 [ 298.345639] ? __bpf_prog_get+0x9b/0x290 [ 298.349705] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.354548] ? bpf_prog_test_run+0x130/0x1a0 [ 298.358960] ? __x64_sys_bpf+0x3d8/0x520 [ 298.363041] ? bpf_prog_get+0x20/0x20 [ 298.366869] ? do_syscall_64+0x1b9/0x820 [ 298.370930] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.376299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.381257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.386101] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.391465] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.396485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.401339] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.406767] warn_alloc_show_mem: 1 callbacks suppressed [ 298.406778] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 298.406779] Mem-Info: [ 298.406809] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 298.406809] active_file:12 inactive_file:11 isolated_file:0 [ 298.406809] unevictable:0 dirty:0 writeback:0 unstable:0 [ 298.406809] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 298.406809] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 298.406809] free:13794 free_pcp:515 free_cma:0 [ 298.412147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.418986] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 298.421389] Call Trace: [ 298.454266] 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 [ 298.463616] dump_stack+0x244/0x39d [ 298.491467] lowmem_reserve[]: 0 2818 6321 6321 [ 298.494060] ? dump_stack_print_info.cold.1+0x20/0x20 [ 298.520159] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 298.523787] warn_alloc.cold.116+0xb7/0x1bd [ 298.528349] lowmem_reserve[]: 0 0 3503 3503 [ 298.533532] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.560848] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 298.565173] ? lock_downgrade+0x900/0x900 [ 298.569467] lowmem_reserve[]: 0 0 0 0 [ 298.574306] ? trace_hardirqs_off+0xb8/0x310 [ 298.603354] 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 [ 298.607497] ? trace_hardirqs_off+0xb8/0x310 [ 298.611272] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 298.615675] __alloc_pages_slowpath+0x2651/0x2de0 [ 298.629167] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 298.633588] ? warn_alloc+0x120/0x120 [ 298.648545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.653376] ? warn_alloc+0x120/0x120 [ 298.668356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.672151] ? warn_alloc+0x120/0x120 [ 298.680981] 267 total pagecache pages [ 298.684769] ? print_usage_bug+0xc0/0xc0 [ 298.693335] 0 pages in swap cache [ 298.697126] ? print_usage_bug+0xc0/0xc0 [ 298.700903] Swap cache stats: add 0, delete 0, find 0/0 [ 298.704952] ? mark_held_locks+0x130/0x130 [ 298.708383] Free swap = 0kB [ 298.712433] ? mark_held_locks+0x130/0x130 [ 298.717788] Total swap = 0kB [ 298.722017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.725011] 1965979 pages RAM [ 298.729760] ? should_fail+0x22d/0xd01 [ 298.732757] 0 pages HighMem/MovableOnly [ 298.738285] ? zap_class+0x640/0x640 [ 298.741364] 342854 pages reserved [ 298.745240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.749190] 0 pages cma reserved [ 298.752912] ? __lock_acquire+0x62f/0x4c20 [ 298.756408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.761433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.764826] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.769000] ? __lock_acquire+0x62f/0x4c20 [ 298.775470] syz-executor0 cpuset=syz0 mems_allowed=0 [ 298.780562] ? should_fail+0x22d/0xd01 [ 298.804247] ? mark_held_locks+0x130/0x130 [ 298.808488] ? mark_held_locks+0x130/0x130 [ 298.812721] ? lock_downgrade+0x900/0x900 [ 298.816898] ? zap_class+0x640/0x640 [ 298.820619] ? zap_class+0x640/0x640 [ 298.824330] ? do_raw_spin_unlock+0xa7/0x330 [ 298.828741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.833495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.839036] ? check_preemption_disabled+0x48/0x280 [ 298.844058] ? __lock_is_held+0xb5/0x140 [ 298.848137] __alloc_pages_nodemask+0xad8/0xea0 [ 298.852823] ? zap_class+0x640/0x640 [ 298.856560] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 298.861599] ? find_held_lock+0x36/0x1c0 [ 298.865682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.870393] ? lock_downgrade+0x900/0x900 [ 298.874578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.880122] cache_grow_begin+0xa5/0x8c0 [ 298.884179] ? do_raw_spin_unlock+0xa7/0x330 [ 298.888606] fallback_alloc+0x204/0x2e0 [ 298.892581] ____cache_alloc_node+0x1c7/0x1e0 [ 298.897077] kmem_cache_alloc_node+0xe3/0x730 [ 298.901589] ? lockdep_hardirqs_on+0x296/0x5b0 [ 298.906212] __alloc_skb+0x119/0x770 [ 298.909934] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.915304] ? netdev_alloc_frag+0x1f0/0x1f0 [ 298.919718] ? vprintk_default+0x28/0x30 [ 298.923776] ? vprintk_func+0x85/0x181 [ 298.927673] ? printk+0xa7/0xcf [ 298.930948] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 298.935739] new_skb+0x26/0x1c0 [ 298.939032] aoecmd_cfg+0x279/0x7f0 [ 298.942659] ? find_held_lock+0x36/0x1c0 [ 298.946738] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 298.951073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.956662] ? __lock_is_held+0xb5/0x140 [ 298.961271] discover_timer+0x50/0x60 [ 298.965071] call_timer_fn+0x272/0x920 [ 298.968961] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 298.973867] ? process_timeout+0x40/0x40 [ 298.977942] ? __run_timers+0x7da/0xc70 [ 298.981943] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.986435] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.990936] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 298.995826] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.000421] ? trace_hardirqs_on+0xbd/0x310 [ 299.004743] ? kasan_check_read+0x11/0x20 [ 299.008898] ? __run_timers+0x7da/0xc70 [ 299.012888] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.018013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.022269] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 299.027109] __run_timers+0x7e5/0xc70 [ 299.030954] ? timer_fixup_init+0x70/0x70 [ 299.035118] ? find_held_lock+0x36/0x1c0 [ 299.039190] ? __schedule+0x168a/0x21d0 [ 299.043168] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.047675] ? pvclock_read_flags+0x160/0x160 [ 299.052172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.057721] ? check_preemption_disabled+0x48/0x280 [ 299.062746] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 299.068302] ? rcu_pm_notify+0xc0/0xc0 [ 299.072231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.077767] ? check_preemption_disabled+0x48/0x280 [ 299.082790] run_timer_softirq+0x52/0xb0 [ 299.086850] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.091907] __do_softirq+0x308/0xb7e [ 299.095708] ? retint_kernel+0x2d/0x2d [ 299.099597] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.104698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.110177] ? finish_task_switch+0x2f4/0x910 [ 299.114675] ? schedule+0x108/0x460 [ 299.118311] ? trace_hardirqs_off+0xb8/0x310 [ 299.122732] ? smpboot_thread_fn+0x68b/0xa00 [ 299.127139] ? trace_hardirqs_on+0x310/0x310 [ 299.131560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.137106] ? check_preemption_disabled+0x48/0x280 [ 299.142117] ? takeover_tasklets+0xa90/0xa90 [ 299.146533] run_ksoftirqd+0x5e/0x100 [ 299.150344] smpboot_thread_fn+0x68b/0xa00 [ 299.154597] ? sort_range+0x30/0x30 [ 299.158218] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.163323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.168914] ? __kthread_parkme+0xfb/0x1a0 [ 299.173149] ? sort_range+0x30/0x30 [ 299.176772] kthread+0x35a/0x440 [ 299.180142] ? kthread_stop+0x900/0x900 [ 299.184115] ret_from_fork+0x3a/0x50 [ 299.187894] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 299.187962] aoe: skb alloc failure [ 299.195244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.195252] Call Trace: [ 299.198853] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.208124] [ 299.210695] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 299.220997] dump_stack+0x244/0x39d [ 299.231398] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.236602] warn_alloc.cold.116+0xb7/0x1bd [ 299.240961] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.245818] ? lock_downgrade+0x900/0x900 [ 299.249974] ? trace_hardirqs_off+0xb8/0x310 [ 299.254406] ? trace_hardirqs_off+0xb8/0x310 [ 299.258817] __alloc_pages_slowpath+0x2651/0x2de0 [ 299.263678] ? warn_alloc+0x120/0x120 [ 299.267478] ? print_usage_bug+0xc0/0xc0 [ 299.271538] ? warn_alloc+0x120/0x120 [ 299.275339] ? warn_alloc+0x120/0x120 [ 299.279137] ? print_usage_bug+0xc0/0xc0 [ 299.283218] ? print_usage_bug+0xc0/0xc0 [ 299.287294] ? __lock_acquire+0x62f/0x4c20 [ 299.291532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.297064] ? should_fail+0x22d/0xd01 [ 299.300958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.306064] ? __lock_acquire+0x62f/0x4c20 [ 299.310322] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.315424] ? __lock_acquire+0x62f/0x4c20 [ 299.319666] ? should_fail+0x22d/0xd01 [ 299.323547] ? find_held_lock+0x36/0x1c0 [ 299.327611] ? mark_held_locks+0x130/0x130 [ 299.331852] ? mark_held_locks+0x130/0x130 [ 299.336110] ? zap_class+0x640/0x640 [ 299.339825] ? zap_class+0x640/0x640 [ 299.343562] ? print_usage_bug+0xc0/0xc0 [ 299.347621] ? do_raw_spin_unlock+0xa7/0x330 [ 299.352033] ? zap_class+0x640/0x640 [ 299.355745] ? print_usage_bug+0xc0/0xc0 [ 299.359824] ? wq_watchdog_touch+0x9c/0xfe [ 299.364085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.369621] ? check_preemption_disabled+0x48/0x280 [ 299.374647] ? __lock_is_held+0xb5/0x140 [ 299.378715] __alloc_pages_nodemask+0xad8/0xea0 [ 299.383387] ? zap_class+0x640/0x640 [ 299.387104] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 299.392133] ? find_held_lock+0x36/0x1c0 [ 299.396218] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.400889] ? lock_downgrade+0x900/0x900 [ 299.405047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.410592] cache_grow_begin+0xa5/0x8c0 [ 299.414652] ? do_raw_spin_unlock+0xa7/0x330 [ 299.419072] fallback_alloc+0x204/0x2e0 [ 299.423049] ____cache_alloc_node+0x1c7/0x1e0 [ 299.427581] kmem_cache_alloc_node+0xe3/0x730 [ 299.432091] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.436335] __alloc_skb+0x119/0x770 [ 299.440050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.445329] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.449737] ? lock_downgrade+0x900/0x900 [ 299.453901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.459439] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.464897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.470354] ? addrconf_rs_timer+0x690/0x690 [ 299.474782] ndisc_alloc_skb+0x144/0x340 [ 299.478869] ndisc_send_rs+0x331/0x6e0 [ 299.482794] addrconf_rs_timer+0x314/0x690 [ 299.487030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.491269] call_timer_fn+0x272/0x920 [ 299.495166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.499420] ? process_timeout+0x40/0x40 [ 299.503500] ? __run_timers+0x7da/0xc70 [ 299.507473] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.511964] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.516455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.520688] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.525268] ? trace_hardirqs_on+0xbd/0x310 [ 299.529613] ? kasan_check_read+0x11/0x20 [ 299.533770] ? __run_timers+0x7da/0xc70 [ 299.537747] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.542888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.547132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.551383] __run_timers+0x7e5/0xc70 [ 299.555222] ? timer_fixup_init+0x70/0x70 [ 299.559369] ? kasan_check_read+0x11/0x20 [ 299.563546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.568819] ? rcu_softirq_qs+0x20/0x20 [ 299.572815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.578347] ? check_preemption_disabled+0x48/0x280 [ 299.583368] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.588129] ? retint_kernel+0x2d/0x2d [ 299.592043] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.596985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.601739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.607201] ? zap_class+0x640/0x640 [ 299.610947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.616483] ? check_preemption_disabled+0x48/0x280 [ 299.621505] ? __lock_is_held+0xb5/0x140 [ 299.625562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.631125] ? check_preemption_disabled+0x48/0x280 [ 299.636180] run_timer_softirq+0x52/0xb0 [ 299.640242] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.645275] __do_softirq+0x308/0xb7e [ 299.649078] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 299.653583] ? lock_downgrade+0x900/0x900 [ 299.657732] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.662842] ? pvclock_read_flags+0x160/0x160 [ 299.667348] ? lapic_next_event+0x5a/0x90 [ 299.671498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.677038] ? kvm_clock_read+0x18/0x30 [ 299.681009] ? kvm_sched_clock_read+0x9/0x20 [ 299.685417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.690955] ? check_preemption_disabled+0x48/0x280 [ 299.695978] irq_exit+0x17f/0x1c0 [ 299.699432] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.704291] ? smp_call_function_single_interrupt+0x159/0x650 [ 299.710195] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.716081] ? interrupt_entry+0xb5/0xc0 [ 299.720145] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.725160] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.730205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.735045] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.740070] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.745113] ? task_prio+0x50/0x50 [ 299.748653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.754191] ? check_preemption_disabled+0x48/0x280 [ 299.759227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.764088] apic_timer_interrupt+0xf/0x20 [ 299.768312] [ 299.770553] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 299.776439] 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 [ 299.795336] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.803040] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 299.810306] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 299.817572] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 299.824852] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 299.832141] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 299.839432] ? save_stack+0xa9/0xd0 [ 299.843064] __kmalloc_node_track_caller+0x3c/0x70 [ 299.848025] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 299.852784] pskb_expand_head+0x230/0x10f0 [ 299.857022] ? memcpy+0x45/0x50 [ 299.860315] ? __copy_skb_header+0x350/0x6b0 [ 299.864725] ? skb_release_data+0x880/0x880 [ 299.869061] ? __alloc_skb+0x770/0x770 [ 299.872976] ? __lock_is_held+0xb5/0x140 [ 299.877075] ? kasan_check_write+0x14/0x20 [ 299.881316] ? __skb_clone+0x6c7/0xa00 [ 299.885204] ? __copy_skb_header+0x6b0/0x6b0 [ 299.889606] ? kmem_cache_alloc+0x33a/0x730 [ 299.893925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.899468] skb_ensure_writable+0x3dd/0x640 [ 299.903887] ? skb_checksum_setup+0xaa0/0xaa0 [ 299.908395] ? preempt_notifier_register+0x200/0x200 [ 299.913496] ? __switch_to_asm+0x34/0x70 [ 299.917552] ? __switch_to_asm+0x34/0x70 [ 299.921607] ? __switch_to_asm+0x40/0x70 [ 299.925664] ? __switch_to_asm+0x34/0x70 [ 299.929721] ? __switch_to_asm+0x40/0x70 [ 299.933779] ? __switch_to_asm+0x40/0x70 [ 299.937834] ? __switch_to_asm+0x34/0x70 [ 299.941934] ? __switch_to_asm+0x34/0x70 [ 299.946022] ? __switch_to_asm+0x40/0x70 [ 299.950083] ? __switch_to_asm+0x34/0x70 [ 299.954181] bpf_clone_redirect+0x14a/0x490 [ 299.958515] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 299.963451] ? __sched_text_start+0x8/0x8 [ 299.967613] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 299.972206] ? retint_kernel+0x2d/0x2d [ 299.976107] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.981042] ? find_held_lock+0x36/0x1c0 [ 299.985115] ? lock_acquire+0x1ed/0x520 [ 299.989092] ? bpf_test_run+0x3cb/0x780 [ 299.993076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.998629] ? check_preemption_disabled+0x48/0x280 [ 300.003664] ? kasan_check_read+0x11/0x20 [ 300.007806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.013082] ? rcu_softirq_qs+0x20/0x20 [ 300.017060] ? preempt_schedule+0x4d/0x60 [ 300.021220] ? ___preempt_schedule+0x16/0x18 [ 300.025663] ? bpf_test_run+0x25d/0x780 [ 300.029657] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.034069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.039609] ? bpf_test_init.isra.10+0x70/0x100 [ 300.044283] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 300.049052] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 300.053906] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.059455] ? fput+0x130/0x1a0 [ 300.062768] ? __bpf_prog_get+0x9b/0x290 [ 300.066832] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 300.071682] ? bpf_prog_test_run+0x130/0x1a0 [ 300.076112] ? __x64_sys_bpf+0x3d8/0x520 [ 300.080171] ? bpf_prog_get+0x20/0x20 [ 300.083993] ? do_syscall_64+0x1b9/0x820 [ 300.088049] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.093415] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.098344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.103196] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.108215] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.113233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.118083] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.123454] warn_alloc_show_mem: 1 callbacks suppressed [ 300.123464] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 300.123466] Mem-Info: [ 300.123494] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 300.123494] active_file:12 inactive_file:11 isolated_file:0 [ 300.123494] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.123494] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 300.123494] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 300.123494] free:13794 free_pcp:515 free_cma:0 [ 300.128830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.135670] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.138065] Call Trace: [ 300.170934] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 300.180298] dump_stack+0x244/0x39d [ 300.207770] lowmem_reserve[]: 0 2818 6321 6321 [ 300.210352] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.236431] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 300.240102] warn_alloc.cold.116+0xb7/0x1bd [ 300.244650] lowmem_reserve[]: 0 0 3503 3503 [ 300.249828] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.277144] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 300.281458] ? lock_downgrade+0x900/0x900 [ 300.285765] lowmem_reserve[]: 0 0 0 0 [ 300.290604] ? trace_hardirqs_off+0xb8/0x310 [ 300.319636] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 300.323805] ? trace_hardirqs_off+0xb8/0x310 [ 300.327582] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 300.331991] __alloc_pages_slowpath+0x2651/0x2de0 [ 300.345486] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 300.349914] ? warn_alloc+0x120/0x120 [ 300.364893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.369745] ? warn_alloc+0x120/0x120 [ 300.384721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.388523] ? warn_alloc+0x120/0x120 [ 300.397346] 267 total pagecache pages [ 300.401165] ? print_usage_bug+0xc0/0xc0 [ 300.409733] 0 pages in swap cache [ 300.413535] ? print_usage_bug+0xc0/0xc0 [ 300.417312] Swap cache stats: add 0, delete 0, find 0/0 [ 300.421360] ? mark_held_locks+0x130/0x130 [ 300.424819] Free swap = 0kB [ 300.428900] ? mark_held_locks+0x130/0x130 [ 300.434238] Total swap = 0kB [ 300.438467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.441463] 1965979 pages RAM [ 300.445691] ? should_fail+0x22d/0xd01 [ 300.448698] 0 pages HighMem/MovableOnly [ 300.454238] ? zap_class+0x640/0x640 [ 300.457320] 342854 pages reserved [ 300.461203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.465166] 0 pages cma reserved [ 300.468891] ? __lock_acquire+0x62f/0x4c20 [ 300.472367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.477407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.477420] ? __lock_acquire+0x62f/0x4c20 [ 300.477436] ? should_fail+0x22d/0xd01 [ 300.480837] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.485019] ? mark_held_locks+0x130/0x130 [ 300.491479] syz-executor0 cpuset=syz0 mems_allowed=0 [ 300.496573] ? mark_held_locks+0x130/0x130 [ 300.528657] ? lock_downgrade+0x900/0x900 [ 300.532808] ? zap_class+0x640/0x640 [ 300.536536] ? zap_class+0x640/0x640 [ 300.540246] ? do_raw_spin_unlock+0xa7/0x330 [ 300.544658] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.549414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.554949] ? check_preemption_disabled+0x48/0x280 [ 300.559996] ? __lock_is_held+0xb5/0x140 [ 300.564061] __alloc_pages_nodemask+0xad8/0xea0 [ 300.568728] ? zap_class+0x640/0x640 [ 300.572448] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 300.577477] ? find_held_lock+0x36/0x1c0 [ 300.581560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.586246] ? lock_downgrade+0x900/0x900 [ 300.590398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.595938] cache_grow_begin+0xa5/0x8c0 [ 300.599993] ? do_raw_spin_unlock+0xa7/0x330 [ 300.604403] fallback_alloc+0x204/0x2e0 [ 300.608378] ____cache_alloc_node+0x1c7/0x1e0 [ 300.612925] kmem_cache_alloc_node+0xe3/0x730 [ 300.617463] ? lockdep_hardirqs_on+0x296/0x5b0 [ 300.622099] __alloc_skb+0x119/0x770 [ 300.625826] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.631199] ? netdev_alloc_frag+0x1f0/0x1f0 [ 300.635624] ? vprintk_default+0x28/0x30 [ 300.639682] ? vprintk_func+0x85/0x181 [ 300.643565] ? printk+0xa7/0xcf [ 300.646840] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 300.651611] new_skb+0x26/0x1c0 [ 300.654910] aoecmd_cfg+0x279/0x7f0 [ 300.658541] ? find_held_lock+0x36/0x1c0 [ 300.662619] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 300.666948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.672500] ? __lock_is_held+0xb5/0x140 [ 300.676574] discover_timer+0x50/0x60 [ 300.680372] call_timer_fn+0x272/0x920 [ 300.684262] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 300.689102] ? process_timeout+0x40/0x40 [ 300.693194] ? __run_timers+0x7da/0xc70 [ 300.697163] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.701673] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.706179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 300.711064] ? lockdep_hardirqs_on+0x296/0x5b0 [ 300.715673] ? trace_hardirqs_on+0xbd/0x310 [ 300.720020] ? kasan_check_read+0x11/0x20 [ 300.724174] ? __run_timers+0x7da/0xc70 [ 300.728146] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.733254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.737488] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 300.742334] __run_timers+0x7e5/0xc70 [ 300.746140] ? timer_fixup_init+0x70/0x70 [ 300.750305] ? find_held_lock+0x36/0x1c0 [ 300.754373] ? __schedule+0x168a/0x21d0 [ 300.758347] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.762901] ? pvclock_read_flags+0x160/0x160 [ 300.767402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.772940] ? check_preemption_disabled+0x48/0x280 [ 300.777967] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 300.783503] ? rcu_pm_notify+0xc0/0xc0 [ 300.787393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.792929] ? check_preemption_disabled+0x48/0x280 [ 300.797954] run_timer_softirq+0x52/0xb0 [ 300.802020] ? rcu_read_lock_sched_held+0x14f/0x180 [ 300.807036] __do_softirq+0x308/0xb7e [ 300.810841] ? retint_kernel+0x2d/0x2d [ 300.814748] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 300.819868] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.825432] ? finish_task_switch+0x2f4/0x910 [ 300.829934] ? schedule+0x108/0x460 [ 300.833571] ? trace_hardirqs_off+0xb8/0x310 [ 300.837981] ? smpboot_thread_fn+0x68b/0xa00 [ 300.842384] ? trace_hardirqs_on+0x310/0x310 [ 300.846787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.852332] ? check_preemption_disabled+0x48/0x280 [ 300.857345] ? takeover_tasklets+0xa90/0xa90 [ 300.861752] run_ksoftirqd+0x5e/0x100 [ 300.865552] smpboot_thread_fn+0x68b/0xa00 [ 300.869793] ? sort_range+0x30/0x30 [ 300.873417] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.878519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.884054] ? __kthread_parkme+0xfb/0x1a0 [ 300.888290] ? sort_range+0x30/0x30 [ 300.891917] kthread+0x35a/0x440 [ 300.895288] ? kthread_stop+0x900/0x900 [ 300.899263] ret_from_fork+0x3a/0x50 [ 300.902991] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 300.903043] aoe: skb alloc failure [ 300.910347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.910352] Call Trace: [ 300.910359] [ 300.910374] dump_stack+0x244/0x39d [ 300.910398] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.913964] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.923295] warn_alloc.cold.116+0xb7/0x1bd [ 300.925924] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 300.928082] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.960949] ? lock_downgrade+0x900/0x900 [ 300.965106] ? trace_hardirqs_off+0xb8/0x310 [ 300.969519] ? trace_hardirqs_off+0xb8/0x310 [ 300.973938] __alloc_pages_slowpath+0x2651/0x2de0 [ 300.978835] ? warn_alloc+0x120/0x120 [ 300.982659] ? print_usage_bug+0xc0/0xc0 [ 300.986735] ? warn_alloc+0x120/0x120 [ 300.990557] ? warn_alloc+0x120/0x120 [ 300.994358] ? print_usage_bug+0xc0/0xc0 [ 300.998424] ? print_usage_bug+0xc0/0xc0 [ 301.002488] ? __lock_acquire+0x62f/0x4c20 [ 301.006726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.012261] ? should_fail+0x22d/0xd01 [ 301.016154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.021257] ? __lock_acquire+0x62f/0x4c20 [ 301.025496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.030700] ? __lock_acquire+0x62f/0x4c20 [ 301.034953] ? should_fail+0x22d/0xd01 [ 301.038841] ? find_held_lock+0x36/0x1c0 [ 301.042921] ? mark_held_locks+0x130/0x130 [ 301.047178] ? mark_held_locks+0x130/0x130 [ 301.051423] ? zap_class+0x640/0x640 [ 301.055140] ? zap_class+0x640/0x640 [ 301.058874] ? print_usage_bug+0xc0/0xc0 [ 301.062953] ? do_raw_spin_unlock+0xa7/0x330 [ 301.067376] ? zap_class+0x640/0x640 [ 301.071096] ? print_usage_bug+0xc0/0xc0 [ 301.075161] ? wq_watchdog_touch+0x9c/0xfe [ 301.079407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.084949] ? check_preemption_disabled+0x48/0x280 [ 301.090523] ? __lock_is_held+0xb5/0x140 [ 301.094936] __alloc_pages_nodemask+0xad8/0xea0 [ 301.099605] ? zap_class+0x640/0x640 [ 301.103322] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 301.108346] ? find_held_lock+0x36/0x1c0 [ 301.112415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.117082] ? lock_downgrade+0x900/0x900 [ 301.121234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.126788] cache_grow_begin+0xa5/0x8c0 [ 301.130864] ? do_raw_spin_unlock+0xa7/0x330 [ 301.135291] fallback_alloc+0x204/0x2e0 [ 301.139265] ____cache_alloc_node+0x1c7/0x1e0 [ 301.143761] kmem_cache_alloc_node+0xe3/0x730 [ 301.148252] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.152493] __alloc_skb+0x119/0x770 [ 301.156202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.161481] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.165896] ? lock_downgrade+0x900/0x900 [ 301.170080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.175617] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.181089] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.186556] ? addrconf_rs_timer+0x690/0x690 [ 301.191256] ndisc_alloc_skb+0x144/0x340 [ 301.195319] ndisc_send_rs+0x331/0x6e0 [ 301.199209] addrconf_rs_timer+0x314/0x690 [ 301.203462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.207736] call_timer_fn+0x272/0x920 [ 301.211619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.215870] ? process_timeout+0x40/0x40 [ 301.219943] ? __run_timers+0x7da/0xc70 [ 301.223916] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.228411] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.232902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.237139] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.241721] ? trace_hardirqs_on+0xbd/0x310 [ 301.246052] ? kasan_check_read+0x11/0x20 [ 301.250211] ? __run_timers+0x7da/0xc70 [ 301.254185] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.259290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.263525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.267753] __run_timers+0x7e5/0xc70 [ 301.271560] ? timer_fixup_init+0x70/0x70 [ 301.275721] ? kasan_check_read+0x11/0x20 [ 301.279878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.285156] ? rcu_softirq_qs+0x20/0x20 [ 301.289131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.295100] ? check_preemption_disabled+0x48/0x280 [ 301.300119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.304882] ? retint_kernel+0x2d/0x2d [ 301.308775] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.313704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.318458] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.323908] ? zap_class+0x640/0x640 [ 301.327629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.333165] ? check_preemption_disabled+0x48/0x280 [ 301.338202] ? __lock_is_held+0xb5/0x140 [ 301.342266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.347804] ? check_preemption_disabled+0x48/0x280 [ 301.352851] run_timer_softirq+0x52/0xb0 [ 301.356953] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.361969] __do_softirq+0x308/0xb7e [ 301.365768] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 301.370269] ? lock_downgrade+0x900/0x900 [ 301.374434] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 301.379540] ? pvclock_read_flags+0x160/0x160 [ 301.384033] ? lapic_next_event+0x5a/0x90 [ 301.388216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.394125] ? kvm_clock_read+0x18/0x30 [ 301.398093] ? kvm_sched_clock_read+0x9/0x20 [ 301.402499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.408035] ? check_preemption_disabled+0x48/0x280 [ 301.413057] irq_exit+0x17f/0x1c0 [ 301.416508] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.421403] ? smp_call_function_single_interrupt+0x159/0x650 [ 301.427293] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.433177] ? interrupt_entry+0xb5/0xc0 [ 301.437241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.442254] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.447270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.452127] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.457195] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.462209] ? task_prio+0x50/0x50 [ 301.465753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.471293] ? check_preemption_disabled+0x48/0x280 [ 301.476317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.481183] apic_timer_interrupt+0xf/0x20 [ 301.485406] [ 301.487654] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 301.493540] 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 [ 301.512441] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.520148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 301.527446] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 301.534709] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 301.541991] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 301.549266] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 301.556584] ? save_stack+0xa9/0xd0 [ 301.560219] __kmalloc_node_track_caller+0x3c/0x70 [ 301.565180] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 301.569944] pskb_expand_head+0x230/0x10f0 [ 301.574186] ? memcpy+0x45/0x50 [ 301.577467] ? __copy_skb_header+0x350/0x6b0 [ 301.581882] ? skb_release_data+0x880/0x880 [ 301.586205] ? __alloc_skb+0x770/0x770 [ 301.590101] ? __lock_is_held+0xb5/0x140 [ 301.594166] ? kasan_check_write+0x14/0x20 [ 301.598413] ? __skb_clone+0x6c7/0xa00 [ 301.602299] ? __copy_skb_header+0x6b0/0x6b0 [ 301.606733] ? kmem_cache_alloc+0x33a/0x730 [ 301.611070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.616612] skb_ensure_writable+0x3dd/0x640 [ 301.621023] ? skb_checksum_setup+0xaa0/0xaa0 [ 301.625537] ? preempt_notifier_register+0x200/0x200 [ 301.630634] ? __switch_to_asm+0x34/0x70 [ 301.634695] ? __switch_to_asm+0x34/0x70 [ 301.638763] ? __switch_to_asm+0x40/0x70 [ 301.642821] ? __switch_to_asm+0x34/0x70 [ 301.646886] ? __switch_to_asm+0x40/0x70 [ 301.650952] ? __switch_to_asm+0x40/0x70 [ 301.655174] ? __switch_to_asm+0x34/0x70 [ 301.659296] ? __switch_to_asm+0x34/0x70 [ 301.663357] ? __switch_to_asm+0x40/0x70 [ 301.667417] ? __switch_to_asm+0x34/0x70 [ 301.671485] bpf_clone_redirect+0x14a/0x490 [ 301.675832] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 301.680785] ? __sched_text_start+0x8/0x8 [ 301.684963] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 301.689559] ? retint_kernel+0x2d/0x2d [ 301.693442] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.698376] ? find_held_lock+0x36/0x1c0 [ 301.702448] ? lock_acquire+0x1ed/0x520 [ 301.706418] ? bpf_test_run+0x3cb/0x780 [ 301.710392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.715926] ? check_preemption_disabled+0x48/0x280 [ 301.720970] ? kasan_check_read+0x11/0x20 [ 301.725113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.730390] ? rcu_softirq_qs+0x20/0x20 [ 301.734366] ? preempt_schedule+0x4d/0x60 [ 301.738513] ? ___preempt_schedule+0x16/0x18 [ 301.742940] ? bpf_test_run+0x25d/0x780 [ 301.746954] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.751360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.756901] ? bpf_test_init.isra.10+0x70/0x100 [ 301.761571] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 301.766351] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.771207] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.776756] ? fput+0x130/0x1a0 [ 301.780081] ? __bpf_prog_get+0x9b/0x290 [ 301.784159] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.789034] ? bpf_prog_test_run+0x130/0x1a0 [ 301.793482] ? __x64_sys_bpf+0x3d8/0x520 [ 301.797545] ? bpf_prog_get+0x20/0x20 [ 301.801383] ? do_syscall_64+0x1b9/0x820 [ 301.805444] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.810811] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.815755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.820610] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.825641] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.830672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.835515] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.840910] warn_alloc_show_mem: 1 callbacks suppressed [ 301.840920] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 301.840936] Mem-Info: [ 301.840980] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 301.840980] active_file:12 inactive_file:11 isolated_file:0 [ 301.840980] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.840980] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 301.840980] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 301.840980] free:13794 free_pcp:515 free_cma:0 [ 301.846345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.853183] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.855576] Call Trace: [ 301.888436] 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 [ 301.897785] dump_stack+0x244/0x39d [ 301.925255] lowmem_reserve[]: 0 2818 6321 6321 [ 301.927832] ? dump_stack_print_info.cold.1+0x20/0x20 [ 301.953931] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 301.957957] warn_alloc.cold.116+0xb7/0x1bd [ 301.962512] lowmem_reserve[]: 0 0 3503 3503 [ 301.967710] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.995011] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 301.999328] ? lock_downgrade+0x900/0x900 [ 302.003623] lowmem_reserve[]: 0 0 0 0 [ 302.008462] ? trace_hardirqs_off+0xb8/0x310 [ 302.037497] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 302.041639] ? trace_hardirqs_off+0xb8/0x310 [ 302.045425] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 302.049833] __alloc_pages_slowpath+0x2651/0x2de0 [ 302.063331] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 302.067753] ? warn_alloc+0x120/0x120 [ 302.082740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 302.087627] ? warn_alloc+0x120/0x120 [ 302.102619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 302.106406] ? warn_alloc+0x120/0x120 [ 302.115214] 267 total pagecache pages [ 302.119007] ? print_usage_bug+0xc0/0xc0 [ 302.127587] 0 pages in swap cache [ 302.131377] ? print_usage_bug+0xc0/0xc0 [ 302.135179] Swap cache stats: add 0, delete 0, find 0/0 [ 302.139228] ? mark_held_locks+0x130/0x130 [ 302.142659] Free swap = 0kB [ 302.146708] ? mark_held_locks+0x130/0x130 [ 302.152043] Total swap = 0kB [ 302.156270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.159264] 1965979 pages RAM [ 302.163497] ? should_fail+0x22d/0xd01 [ 302.166495] 0 pages HighMem/MovableOnly [ 302.172024] ? zap_class+0x640/0x640 [ 302.175103] 342854 pages reserved [ 302.178997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.182949] 0 pages cma reserved [ 302.186655] ? __lock_acquire+0x62f/0x4c20 [ 302.190133] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.195195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.198608] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.202763] ? __lock_acquire+0x62f/0x4c20 [ 302.209227] syz-executor0 cpuset=syz0 mems_allowed=0 [ 302.214325] ? should_fail+0x22d/0xd01 [ 302.238004] ? mark_held_locks+0x130/0x130 [ 302.242250] ? mark_held_locks+0x130/0x130 [ 302.246478] ? lock_downgrade+0x900/0x900 [ 302.250631] ? zap_class+0x640/0x640 [ 302.254340] ? zap_class+0x640/0x640 [ 302.258050] ? zap_class+0x640/0x640 [ 302.261774] ? do_raw_spin_unlock+0xa7/0x330 [ 302.266185] ? trace_hardirqs_on+0x310/0x310 [ 302.270621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.276161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.281698] ? check_preemption_disabled+0x48/0x280 [ 302.286726] ? __lock_is_held+0xb5/0x140 [ 302.290805] __alloc_pages_nodemask+0xad8/0xea0 [ 302.295474] ? zap_class+0x640/0x640 [ 302.299196] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 302.304238] ? find_held_lock+0x36/0x1c0 [ 302.308322] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.312996] ? lock_downgrade+0x900/0x900 [ 302.317150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.322691] cache_grow_begin+0xa5/0x8c0 [ 302.326758] ? do_raw_spin_unlock+0xa7/0x330 [ 302.331174] fallback_alloc+0x204/0x2e0 [ 302.335208] ____cache_alloc_node+0x1c7/0x1e0 [ 302.339703] kmem_cache_alloc_node+0xe3/0x730 [ 302.344197] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.348797] __alloc_skb+0x119/0x770 [ 302.352503] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.357873] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.362296] ? vprintk_default+0x28/0x30 [ 302.366356] ? vprintk_func+0x85/0x181 [ 302.370260] ? printk+0xa7/0xcf [ 302.373536] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 302.378299] new_skb+0x26/0x1c0 [ 302.381578] aoecmd_cfg+0x279/0x7f0 [ 302.385218] ? find_held_lock+0x36/0x1c0 [ 302.389280] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 302.393650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.399215] ? __lock_is_held+0xb5/0x140 [ 302.403292] discover_timer+0x50/0x60 [ 302.407106] call_timer_fn+0x272/0x920 [ 302.410994] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.415847] ? process_timeout+0x40/0x40 [ 302.419938] ? __run_timers+0x7da/0xc70 [ 302.423911] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.428429] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.432918] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.437805] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.442384] ? trace_hardirqs_on+0xbd/0x310 [ 302.446699] ? kasan_check_read+0x11/0x20 [ 302.450841] ? __run_timers+0x7da/0xc70 [ 302.454827] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.459943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.464181] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 302.469017] __run_timers+0x7e5/0xc70 [ 302.472832] ? timer_fixup_init+0x70/0x70 [ 302.477003] ? find_held_lock+0x36/0x1c0 [ 302.481072] ? __schedule+0x168a/0x21d0 [ 302.485048] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.489548] ? pvclock_read_flags+0x160/0x160 [ 302.494044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.499609] ? check_preemption_disabled+0x48/0x280 [ 302.504638] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 302.510177] ? rcu_pm_notify+0xc0/0xc0 [ 302.514072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.519612] ? check_preemption_disabled+0x48/0x280 [ 302.524636] run_timer_softirq+0x52/0xb0 [ 302.528693] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.533710] __do_softirq+0x308/0xb7e [ 302.537515] ? retint_kernel+0x2d/0x2d [ 302.541434] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.546537] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.551987] ? finish_task_switch+0x2f4/0x910 [ 302.556488] ? schedule+0x108/0x460 [ 302.560124] ? trace_hardirqs_off+0xb8/0x310 [ 302.564550] ? smpboot_thread_fn+0x68b/0xa00 [ 302.568957] ? trace_hardirqs_on+0x310/0x310 [ 302.573379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.578914] ? check_preemption_disabled+0x48/0x280 [ 302.583930] ? takeover_tasklets+0xa90/0xa90 [ 302.588336] run_ksoftirqd+0x5e/0x100 [ 302.592131] smpboot_thread_fn+0x68b/0xa00 [ 302.596362] ? sort_range+0x30/0x30 [ 302.599986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.605092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.610626] ? __kthread_parkme+0xfb/0x1a0 [ 302.614868] ? sort_range+0x30/0x30 [ 302.618497] kthread+0x35a/0x440 [ 302.621902] ? kthread_stop+0x900/0x900 [ 302.625910] ret_from_fork+0x3a/0x50 [ 302.629636] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 302.629692] aoe: skb alloc failure [ 302.636989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.636995] Call Trace: [ 302.637001] [ 302.637017] dump_stack+0x244/0x39d [ 302.637036] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.640621] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.650211] warn_alloc.cold.116+0xb7/0x1bd [ 302.652764] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 302.654906] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.687788] ? lock_downgrade+0x900/0x900 [ 302.691970] ? trace_hardirqs_off+0xb8/0x310 [ 302.696401] ? trace_hardirqs_off+0xb8/0x310 [ 302.700818] __alloc_pages_slowpath+0x2651/0x2de0 [ 302.705687] ? warn_alloc+0x120/0x120 [ 302.709492] ? print_usage_bug+0xc0/0xc0 [ 302.713554] ? warn_alloc+0x120/0x120 [ 302.717374] ? warn_alloc+0x120/0x120 [ 302.721187] ? print_usage_bug+0xc0/0xc0 [ 302.725267] ? kvm_clock_read+0x18/0x30 [ 302.729242] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 302.734266] ? print_usage_bug+0xc0/0xc0 [ 302.738334] ? __lock_acquire+0x62f/0x4c20 [ 302.742577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.748142] ? should_fail+0x22d/0xd01 [ 302.752042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.757338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.762453] ? __lock_acquire+0x62f/0x4c20 [ 302.766705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.771824] ? __lock_acquire+0x62f/0x4c20 [ 302.776057] ? should_fail+0x22d/0xd01 [ 302.779943] ? rcu_irq_exit+0x1a2/0x390 [ 302.783931] ? mark_held_locks+0x130/0x130 [ 302.788173] ? mark_held_locks+0x130/0x130 [ 302.792430] ? mark_held_locks+0xc7/0x130 [ 302.796578] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 302.801593] ? zap_class+0x640/0x640 [ 302.805316] ? print_usage_bug+0xc0/0xc0 [ 302.809414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.814951] ? check_preemption_disabled+0x48/0x280 [ 302.819985] ? __lock_is_held+0xb5/0x140 [ 302.824050] __alloc_pages_nodemask+0xad8/0xea0 [ 302.828718] ? zap_class+0x640/0x640 [ 302.832436] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 302.837463] ? find_held_lock+0x36/0x1c0 [ 302.841543] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.846239] ? lock_downgrade+0x900/0x900 [ 302.850400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.855945] cache_grow_begin+0xa5/0x8c0 [ 302.860003] ? do_raw_spin_unlock+0xa7/0x330 [ 302.864451] fallback_alloc+0x204/0x2e0 [ 302.868429] ____cache_alloc_node+0x1c7/0x1e0 [ 302.872927] kmem_cache_alloc_node+0xe3/0x730 [ 302.877443] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.881708] __alloc_skb+0x119/0x770 [ 302.885421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.890717] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.895135] ? lock_downgrade+0x900/0x900 [ 302.899291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.904831] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.910293] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.915757] ? addrconf_rs_timer+0x690/0x690 [ 302.920178] ndisc_alloc_skb+0x144/0x340 [ 302.924246] ndisc_send_rs+0x331/0x6e0 [ 302.928136] addrconf_rs_timer+0x314/0x690 [ 302.932372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.936621] call_timer_fn+0x272/0x920 [ 302.940506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.944742] ? process_timeout+0x40/0x40 [ 302.948812] ? __run_timers+0x7da/0xc70 [ 302.952807] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.957302] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.961798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.966033] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.970620] ? trace_hardirqs_on+0xbd/0x310 [ 302.974971] ? kasan_check_read+0x11/0x20 [ 302.979146] ? __run_timers+0x7da/0xc70 [ 302.983122] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.988229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.992468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.996715] __run_timers+0x7e5/0xc70 [ 303.000527] ? timer_fixup_init+0x70/0x70 [ 303.004673] ? kasan_check_read+0x11/0x20 [ 303.008846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.014169] ? rcu_softirq_qs+0x20/0x20 [ 303.018203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.023742] ? check_preemption_disabled+0x48/0x280 [ 303.028768] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.033534] ? retint_kernel+0x2d/0x2d [ 303.037434] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.042362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.047140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.052621] ? zap_class+0x640/0x640 [ 303.056371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.061915] ? check_preemption_disabled+0x48/0x280 [ 303.066936] ? __lock_is_held+0xb5/0x140 [ 303.071006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.076556] ? check_preemption_disabled+0x48/0x280 [ 303.081592] run_timer_softirq+0x52/0xb0 [ 303.085651] ? rcu_read_lock_sched_held+0x14f/0x180 [ 303.091583] __do_softirq+0x308/0xb7e [ 303.095390] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 303.099891] ? lock_downgrade+0x900/0x900 [ 303.104047] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 303.109157] ? pvclock_read_flags+0x160/0x160 [ 303.113776] ? lapic_next_event+0x5a/0x90 [ 303.117949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.123493] ? kvm_clock_read+0x18/0x30 [ 303.127497] ? kvm_sched_clock_read+0x9/0x20 [ 303.131906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.137440] ? check_preemption_disabled+0x48/0x280 [ 303.142476] irq_exit+0x17f/0x1c0 [ 303.145926] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.150778] ? smp_call_function_single_interrupt+0x159/0x650 [ 303.156677] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.162909] ? interrupt_entry+0xb5/0xc0 [ 303.166983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.172015] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.177028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.181873] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.186887] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.191903] ? task_prio+0x50/0x50 [ 303.195461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.200996] ? check_preemption_disabled+0x48/0x280 [ 303.206015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.210875] apic_timer_interrupt+0xf/0x20 [ 303.215106] [ 303.217362] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 303.223298] 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 [ 303.242197] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 303.249907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.257179] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 303.264448] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 303.271715] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 303.278982] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 303.286274] ? save_stack+0xa9/0xd0 [ 303.289916] __kmalloc_node_track_caller+0x3c/0x70 [ 303.294874] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 303.299643] pskb_expand_head+0x230/0x10f0 [ 303.303889] ? memcpy+0x45/0x50 [ 303.307214] ? __copy_skb_header+0x350/0x6b0 [ 303.311621] ? skb_release_data+0x880/0x880 [ 303.315942] ? __alloc_skb+0x770/0x770 [ 303.319841] ? __lock_is_held+0xb5/0x140 [ 303.323942] ? kasan_check_write+0x14/0x20 [ 303.328181] ? __skb_clone+0x6c7/0xa00 [ 303.332089] ? __copy_skb_header+0x6b0/0x6b0 [ 303.336562] ? kmem_cache_alloc+0x33a/0x730 [ 303.340904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.346449] skb_ensure_writable+0x3dd/0x640 [ 303.350869] ? skb_checksum_setup+0xaa0/0xaa0 [ 303.355370] ? preempt_notifier_register+0x200/0x200 [ 303.360475] ? __switch_to_asm+0x34/0x70 [ 303.364531] ? __switch_to_asm+0x34/0x70 [ 303.368591] ? __switch_to_asm+0x40/0x70 [ 303.372647] ? __switch_to_asm+0x34/0x70 [ 303.376706] ? __switch_to_asm+0x40/0x70 [ 303.380783] ? __switch_to_asm+0x40/0x70 [ 303.384838] ? __switch_to_asm+0x34/0x70 [ 303.388902] ? __switch_to_asm+0x34/0x70 [ 303.392962] ? __switch_to_asm+0x40/0x70 [ 303.397018] ? __switch_to_asm+0x34/0x70 [ 303.401080] bpf_clone_redirect+0x14a/0x490 [ 303.405424] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 303.410363] ? __sched_text_start+0x8/0x8 [ 303.414551] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.419128] ? retint_kernel+0x2d/0x2d [ 303.423030] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.427962] ? find_held_lock+0x36/0x1c0 [ 303.432027] ? lock_acquire+0x1ed/0x520 [ 303.436001] ? bpf_test_run+0x3cb/0x780 [ 303.440002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.445547] ? check_preemption_disabled+0x48/0x280 [ 303.450563] ? kasan_check_read+0x11/0x20 [ 303.454746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.460037] ? rcu_softirq_qs+0x20/0x20 [ 303.464017] ? preempt_schedule+0x4d/0x60 [ 303.468168] ? ___preempt_schedule+0x16/0x18 [ 303.472584] ? bpf_test_run+0x25d/0x780 [ 303.476569] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.480992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.486548] ? bpf_test_init.isra.10+0x70/0x100 [ 303.491221] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 303.496002] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.500849] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.506398] ? fput+0x130/0x1a0 [ 303.509684] ? __bpf_prog_get+0x9b/0x290 [ 303.513746] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.518588] ? bpf_prog_test_run+0x130/0x1a0 [ 303.522998] ? __x64_sys_bpf+0x3d8/0x520 [ 303.527060] ? bpf_prog_get+0x20/0x20 [ 303.530883] ? do_syscall_64+0x1b9/0x820 [ 303.534942] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.540308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.545251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.550105] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.555144] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.560173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.565021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.570399] warn_alloc_show_mem: 1 callbacks suppressed [ 303.570410] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 303.570412] Mem-Info: [ 303.570443] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 303.570443] active_file:12 inactive_file:11 isolated_file:0 [ 303.570443] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.570443] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 303.570443] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 303.570443] free:13794 free_pcp:515 free_cma:0 [ 303.575795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.582637] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.585029] Call Trace: [ 303.617893] 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 [ 303.627239] dump_stack+0x244/0x39d [ 303.654707] lowmem_reserve[]: 0 2818 6321 6321 [ 303.657303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.683472] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 303.687099] warn_alloc.cold.116+0xb7/0x1bd [ 303.691651] lowmem_reserve[]: 0 0 3503 3503 [ 303.696852] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.724183] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 303.728514] ? lock_downgrade+0x900/0x900 [ 303.732808] lowmem_reserve[]: 0 0 0 0 [ 303.737648] ? trace_hardirqs_off+0xb8/0x310 [ 303.766680] 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 [ 303.770822] ? trace_hardirqs_off+0xb8/0x310 [ 303.774596] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 303.779003] __alloc_pages_slowpath+0x2651/0x2de0 [ 303.792601] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 303.797030] ? warn_alloc+0x120/0x120 [ 303.811988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.816831] ? warn_alloc+0x120/0x120 [ 303.831870] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.835680] ? warn_alloc+0x120/0x120 [ 303.844507] 267 total pagecache pages [ 303.848304] ? print_usage_bug+0xc0/0xc0 [ 303.856869] 0 pages in swap cache [ 303.860659] ? print_usage_bug+0xc0/0xc0 [ 303.864438] Swap cache stats: add 0, delete 0, find 0/0 [ 303.868484] ? mark_held_locks+0x130/0x130 [ 303.871925] Free swap = 0kB [ 303.875977] ? mark_held_locks+0x130/0x130 [ 303.881315] Total swap = 0kB [ 303.885571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.888582] 1965979 pages RAM [ 303.892823] ? should_fail+0x22d/0xd01 [ 303.895813] 0 pages HighMem/MovableOnly [ 303.901355] ? zap_class+0x640/0x640 [ 303.904435] 342854 pages reserved [ 303.908312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.912272] 0 pages cma reserved [ 303.915980] ? __lock_acquire+0x62f/0x4c20 [ 303.919490] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.924512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.927960] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.932121] ? __lock_acquire+0x62f/0x4c20 [ 303.938590] syz-executor0 cpuset=syz0 mems_allowed=0 [ 303.943693] ? should_fail+0x22d/0xd01 [ 303.967920] ? mark_held_locks+0x130/0x130 [ 303.972157] ? mark_held_locks+0x130/0x130 [ 303.976389] ? lock_downgrade+0x900/0x900 [ 303.980534] ? zap_class+0x640/0x640 [ 303.984255] ? zap_class+0x640/0x640 [ 303.987970] ? zap_class+0x640/0x640 [ 303.991678] ? do_raw_spin_unlock+0xa7/0x330 [ 303.996083] ? trace_hardirqs_on+0x310/0x310 [ 304.000506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.006056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.011607] ? check_preemption_disabled+0x48/0x280 [ 304.016631] ? __lock_is_held+0xb5/0x140 [ 304.020737] __alloc_pages_nodemask+0xad8/0xea0 [ 304.025404] ? zap_class+0x640/0x640 [ 304.029120] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 304.034151] ? find_held_lock+0x36/0x1c0 [ 304.038220] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.042935] ? lock_downgrade+0x900/0x900 [ 304.047129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.052686] cache_grow_begin+0xa5/0x8c0 [ 304.056747] ? do_raw_spin_unlock+0xa7/0x330 [ 304.061163] fallback_alloc+0x204/0x2e0 [ 304.065144] ____cache_alloc_node+0x1c7/0x1e0 [ 304.069641] kmem_cache_alloc_node+0xe3/0x730 [ 304.074189] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.078808] __alloc_skb+0x119/0x770 [ 304.082522] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.087908] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.092332] ? vprintk_default+0x28/0x30 [ 304.096420] ? vprintk_func+0x85/0x181 [ 304.100315] ? printk+0xa7/0xcf [ 304.103597] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 304.108373] new_skb+0x26/0x1c0 [ 304.111651] aoecmd_cfg+0x279/0x7f0 [ 304.115278] ? find_held_lock+0x36/0x1c0 [ 304.119340] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 304.123665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.129212] ? __lock_is_held+0xb5/0x140 [ 304.133281] discover_timer+0x50/0x60 [ 304.137080] call_timer_fn+0x272/0x920 [ 304.140969] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 304.145810] ? process_timeout+0x40/0x40 [ 304.149895] ? __run_timers+0x7da/0xc70 [ 304.153888] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.158409] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.162920] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 304.167771] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.172349] ? trace_hardirqs_on+0xbd/0x310 [ 304.176664] ? kasan_check_read+0x11/0x20 [ 304.180812] ? __run_timers+0x7da/0xc70 [ 304.184780] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.189926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.194184] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 304.199039] __run_timers+0x7e5/0xc70 [ 304.202850] ? timer_fixup_init+0x70/0x70 [ 304.207027] ? find_held_lock+0x36/0x1c0 [ 304.211096] ? __schedule+0x168a/0x21d0 [ 304.215067] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.219571] ? pvclock_read_flags+0x160/0x160 [ 304.224064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.229596] ? check_preemption_disabled+0x48/0x280 [ 304.234615] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 304.240148] ? rcu_pm_notify+0xc0/0xc0 [ 304.244048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.249585] ? check_preemption_disabled+0x48/0x280 [ 304.254602] run_timer_softirq+0x52/0xb0 [ 304.258659] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.263683] __do_softirq+0x308/0xb7e [ 304.267490] ? retint_kernel+0x2d/0x2d [ 304.271377] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.276473] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.281935] ? finish_task_switch+0x2f4/0x910 [ 304.286431] ? schedule+0x108/0x460 [ 304.290063] ? trace_hardirqs_off+0xb8/0x310 [ 304.294472] ? smpboot_thread_fn+0x68b/0xa00 [ 304.298912] ? trace_hardirqs_on+0x310/0x310 [ 304.303319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.308878] ? check_preemption_disabled+0x48/0x280 [ 304.313903] ? takeover_tasklets+0xa90/0xa90 [ 304.318314] run_ksoftirqd+0x5e/0x100 [ 304.322114] smpboot_thread_fn+0x68b/0xa00 [ 304.326387] ? sort_range+0x30/0x30 [ 304.330023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.335140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.340681] ? __kthread_parkme+0xfb/0x1a0 [ 304.344920] ? sort_range+0x30/0x30 [ 304.348546] kthread+0x35a/0x440 [ 304.351939] ? kthread_stop+0x900/0x900 [ 304.355921] ret_from_fork+0x3a/0x50 [ 304.359647] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 304.359694] aoe: skb alloc failure [ 304.366999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.367004] Call Trace: [ 304.367009] [ 304.367024] dump_stack+0x244/0x39d [ 304.367041] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.370577] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.379935] warn_alloc.cold.116+0xb7/0x1bd [ 304.382517] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 304.384657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.417494] ? lock_downgrade+0x900/0x900 [ 304.421659] ? trace_hardirqs_off+0xb8/0x310 [ 304.426075] ? trace_hardirqs_off+0xb8/0x310 [ 304.430496] __alloc_pages_slowpath+0x2651/0x2de0 [ 304.435365] ? warn_alloc+0x120/0x120 [ 304.439172] ? print_usage_bug+0xc0/0xc0 [ 304.443236] ? warn_alloc+0x120/0x120 [ 304.447039] ? warn_alloc+0x120/0x120 [ 304.450846] ? print_usage_bug+0xc0/0xc0 [ 304.454926] ? kvm_clock_read+0x18/0x30 [ 304.458952] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.463985] ? print_usage_bug+0xc0/0xc0 [ 304.468048] ? __lock_acquire+0x62f/0x4c20 [ 304.472289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.477830] ? should_fail+0x22d/0xd01 [ 304.481722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.487003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.492123] ? __lock_acquire+0x62f/0x4c20 [ 304.496398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.501500] ? __lock_acquire+0x62f/0x4c20 [ 304.505731] ? should_fail+0x22d/0xd01 [ 304.509613] ? rcu_irq_exit+0x1a2/0x390 [ 304.513606] ? mark_held_locks+0x130/0x130 [ 304.517843] ? mark_held_locks+0x130/0x130 [ 304.522167] ? mark_held_locks+0xc7/0x130 [ 304.526314] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 304.531329] ? zap_class+0x640/0x640 [ 304.535065] ? print_usage_bug+0xc0/0xc0 [ 304.539137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.544671] ? check_preemption_disabled+0x48/0x280 [ 304.549693] ? __lock_is_held+0xb5/0x140 [ 304.553760] __alloc_pages_nodemask+0xad8/0xea0 [ 304.558427] ? zap_class+0x640/0x640 [ 304.562148] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 304.567172] ? find_held_lock+0x36/0x1c0 [ 304.571270] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.575944] ? lock_downgrade+0x900/0x900 [ 304.580099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.585651] cache_grow_begin+0xa5/0x8c0 [ 304.589706] ? do_raw_spin_unlock+0xa7/0x330 [ 304.594131] fallback_alloc+0x204/0x2e0 [ 304.598110] ____cache_alloc_node+0x1c7/0x1e0 [ 304.602605] kmem_cache_alloc_node+0xe3/0x730 [ 304.607098] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.611336] __alloc_skb+0x119/0x770 [ 304.615041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.620334] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.624757] ? lock_downgrade+0x900/0x900 [ 304.628914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.634450] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.639901] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.645374] ? addrconf_rs_timer+0x690/0x690 [ 304.649798] ndisc_alloc_skb+0x144/0x340 [ 304.653864] ndisc_send_rs+0x331/0x6e0 [ 304.657794] addrconf_rs_timer+0x314/0x690 [ 304.662028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.666265] call_timer_fn+0x272/0x920 [ 304.670161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.674395] ? process_timeout+0x40/0x40 [ 304.678507] ? __run_timers+0x7da/0xc70 [ 304.682486] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.686988] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.691476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.695708] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.700288] ? trace_hardirqs_on+0xbd/0x310 [ 304.704610] ? kasan_check_read+0x11/0x20 [ 304.708763] ? __run_timers+0x7da/0xc70 [ 304.712740] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.717841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.722081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.726338] __run_timers+0x7e5/0xc70 [ 304.730161] ? timer_fixup_init+0x70/0x70 [ 304.734304] ? kasan_check_read+0x11/0x20 [ 304.738463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.743737] ? rcu_softirq_qs+0x20/0x20 [ 304.747708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.753246] ? check_preemption_disabled+0x48/0x280 [ 304.758274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.763034] ? retint_kernel+0x2d/0x2d [ 304.766921] ? trace_hardirqs_on_caller+0xc0/0x310 [ 304.771851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.776617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.782081] ? zap_class+0x640/0x640 [ 304.785798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.791332] ? check_preemption_disabled+0x48/0x280 [ 304.796394] ? __lock_is_held+0xb5/0x140 [ 304.800456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.806024] ? check_preemption_disabled+0x48/0x280 [ 304.811082] run_timer_softirq+0x52/0xb0 [ 304.815145] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.820165] __do_softirq+0x308/0xb7e [ 304.823985] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.828481] ? lock_downgrade+0x900/0x900 [ 304.832633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.837744] ? pvclock_read_flags+0x160/0x160 [ 304.842240] ? lapic_next_event+0x5a/0x90 [ 304.846411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.851972] ? kvm_clock_read+0x18/0x30 [ 304.855951] ? kvm_sched_clock_read+0x9/0x20 [ 304.860362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.865905] ? check_preemption_disabled+0x48/0x280 [ 304.870930] irq_exit+0x17f/0x1c0 [ 304.874402] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.879244] ? smp_call_function_single_interrupt+0x159/0x650 [ 304.885132] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.891018] ? interrupt_entry+0xb5/0xc0 [ 304.895083] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.900275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.905297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.910144] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.915159] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.920173] ? task_prio+0x50/0x50 [ 304.923725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.929263] ? check_preemption_disabled+0x48/0x280 [ 304.934303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.939156] apic_timer_interrupt+0xf/0x20 [ 304.943390] [ 304.945628] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 304.951512] 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 [ 304.970410] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.978115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.985398] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 304.992661] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 304.999926] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 305.007195] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 305.014487] ? save_stack+0xa9/0xd0 [ 305.018123] __kmalloc_node_track_caller+0x3c/0x70 [ 305.023059] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 305.027821] pskb_expand_head+0x230/0x10f0 [ 305.032066] ? memcpy+0x45/0x50 [ 305.035350] ? __copy_skb_header+0x350/0x6b0 [ 305.039767] ? skb_release_data+0x880/0x880 [ 305.044106] ? __alloc_skb+0x770/0x770 [ 305.048000] ? __lock_is_held+0xb5/0x140 [ 305.052080] ? kasan_check_write+0x14/0x20 [ 305.056343] ? __skb_clone+0x6c7/0xa00 [ 305.060255] ? __copy_skb_header+0x6b0/0x6b0 [ 305.064678] ? kmem_cache_alloc+0x33a/0x730 [ 305.069003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.074546] skb_ensure_writable+0x3dd/0x640 [ 305.078956] ? skb_checksum_setup+0xaa0/0xaa0 [ 305.083453] ? preempt_notifier_register+0x200/0x200 [ 305.088552] ? __switch_to_asm+0x34/0x70 [ 305.093096] ? __switch_to_asm+0x34/0x70 [ 305.097157] ? __switch_to_asm+0x40/0x70 [ 305.101215] ? __switch_to_asm+0x34/0x70 [ 305.105275] ? __switch_to_asm+0x40/0x70 [ 305.109337] ? __switch_to_asm+0x40/0x70 [ 305.113404] ? __switch_to_asm+0x34/0x70 [ 305.117469] ? __switch_to_asm+0x34/0x70 [ 305.121529] ? __switch_to_asm+0x40/0x70 [ 305.125588] ? __switch_to_asm+0x34/0x70 [ 305.129653] bpf_clone_redirect+0x14a/0x490 [ 305.133984] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 305.138923] ? __sched_text_start+0x8/0x8 [ 305.143081] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 305.147667] ? retint_kernel+0x2d/0x2d [ 305.151554] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.156502] ? find_held_lock+0x36/0x1c0 [ 305.160577] ? lock_acquire+0x1ed/0x520 [ 305.164562] ? bpf_test_run+0x3cb/0x780 [ 305.168537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.174076] ? check_preemption_disabled+0x48/0x280 [ 305.179099] ? kasan_check_read+0x11/0x20 [ 305.183248] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.188527] ? rcu_softirq_qs+0x20/0x20 [ 305.192507] ? preempt_schedule+0x4d/0x60 [ 305.196667] ? ___preempt_schedule+0x16/0x18 [ 305.201087] ? bpf_test_run+0x25d/0x780 [ 305.205078] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.209492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.215033] ? bpf_test_init.isra.10+0x70/0x100 [ 305.219710] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 305.224477] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.229320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.234866] ? fput+0x130/0x1a0 [ 305.238167] ? __bpf_prog_get+0x9b/0x290 [ 305.242235] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.247093] ? bpf_prog_test_run+0x130/0x1a0 [ 305.251524] ? __x64_sys_bpf+0x3d8/0x520 [ 305.255586] ? bpf_prog_get+0x20/0x20 [ 305.259407] ? do_syscall_64+0x1b9/0x820 [ 305.263469] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.268837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.273768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.278614] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.283629] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.288645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.293495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.298899] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 305.298904] warn_alloc_show_mem: 1 callbacks suppressed [ 305.298911] Mem-Info: [ 305.305746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.311113] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 305.311113] active_file:12 inactive_file:11 isolated_file:0 [ 305.311113] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.311113] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 305.311113] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 305.311113] free:13794 free_pcp:515 free_cma:0 [ 305.313499] Call Trace: [ 305.322912] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 305.355764] dump_stack+0x244/0x39d [ 305.358344] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 305.385834] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.389450] lowmem_reserve[]: 0 2818 6321 6321 [ 305.415559] warn_alloc.cold.116+0xb7/0x1bd [ 305.420821] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 305.425401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.429697] lowmem_reserve[]: 0 0 3503 3503 [ 305.457032] ? lock_downgrade+0x900/0x900 [ 305.461847] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 305.466194] ? trace_hardirqs_off+0xb8/0x310 [ 305.470334] lowmem_reserve[]: 0 0 0 0 [ 305.499392] ? trace_hardirqs_off+0xb8/0x310 [ 305.503780] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 305.507576] __alloc_pages_slowpath+0x2651/0x2de0 [ 305.511960] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 305.525518] ? warn_alloc+0x120/0x120 [ 305.530316] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 305.545310] ? warn_alloc+0x120/0x120 [ 305.549091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.564075] ? warn_alloc+0x120/0x120 [ 305.567877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.576705] ? print_usage_bug+0xc0/0xc0 [ 305.580481] 267 total pagecache pages [ 305.589044] ? print_usage_bug+0xc0/0xc0 [ 305.593093] 0 pages in swap cache [ 305.596895] ? mark_held_locks+0x130/0x130 [ 305.600928] Swap cache stats: add 0, delete 0, find 0/0 [ 305.604418] ? mark_held_locks+0x130/0x130 [ 305.608625] Free swap = 0kB [ 305.613981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.618191] Total swap = 0kB [ 305.621217] ? should_fail+0x22d/0xd01 [ 305.626726] 1965979 pages RAM [ 305.629734] ? zap_class+0x640/0x640 [ 305.633596] 0 pages HighMem/MovableOnly [ 305.636700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.640414] 342854 pages reserved [ 305.644406] ? __lock_acquire+0x62f/0x4c20 [ 305.649488] 0 pages cma reserved [ 305.652933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.657195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.660491] ? __lock_acquire+0x62f/0x4c20 [ 305.660506] ? should_fail+0x22d/0xd01 [ 305.665638] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.672068] ? mark_held_locks+0x130/0x130 [ 305.676271] syz-executor0 cpuset=syz0 mems_allowed=0 [ 305.680170] ? mark_held_locks+0x130/0x130 [ 305.704171] ? lock_downgrade+0x900/0x900 [ 305.708319] ? zap_class+0x640/0x640 [ 305.712029] ? zap_class+0x640/0x640 [ 305.715740] ? zap_class+0x640/0x640 [ 305.719462] ? do_raw_spin_unlock+0xa7/0x330 [ 305.723872] ? trace_hardirqs_on+0x310/0x310 [ 305.728281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.733833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.739374] ? check_preemption_disabled+0x48/0x280 [ 305.744396] ? __lock_is_held+0xb5/0x140 [ 305.748465] __alloc_pages_nodemask+0xad8/0xea0 [ 305.753146] ? zap_class+0x640/0x640 [ 305.756879] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 305.761922] ? find_held_lock+0x36/0x1c0 [ 305.766015] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.770677] ? lock_downgrade+0x900/0x900 [ 305.774830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.780374] cache_grow_begin+0xa5/0x8c0 [ 305.784441] ? do_raw_spin_unlock+0xa7/0x330 [ 305.788888] fallback_alloc+0x204/0x2e0 [ 305.792873] ____cache_alloc_node+0x1c7/0x1e0 [ 305.797396] kmem_cache_alloc_node+0xe3/0x730 [ 305.801943] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.806546] __alloc_skb+0x119/0x770 [ 305.810263] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.815646] ? netdev_alloc_frag+0x1f0/0x1f0 [ 305.820059] ? vprintk_default+0x28/0x30 [ 305.824134] ? vprintk_func+0x85/0x181 [ 305.828021] ? printk+0xa7/0xcf [ 305.831299] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 305.836085] new_skb+0x26/0x1c0 [ 305.839364] aoecmd_cfg+0x279/0x7f0 [ 305.842990] ? find_held_lock+0x36/0x1c0 [ 305.847081] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 305.851448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.857010] ? __lock_is_held+0xb5/0x140 [ 305.861083] discover_timer+0x50/0x60 [ 305.864888] call_timer_fn+0x272/0x920 [ 305.868773] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.873673] ? process_timeout+0x40/0x40 [ 305.877750] ? __run_timers+0x7da/0xc70 [ 305.881726] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.886252] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.890741] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.895581] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.900194] ? trace_hardirqs_on+0xbd/0x310 [ 305.904516] ? kasan_check_read+0x11/0x20 [ 305.908663] ? __run_timers+0x7da/0xc70 [ 305.912635] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.917747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.921987] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 305.926827] __run_timers+0x7e5/0xc70 [ 305.930657] ? timer_fixup_init+0x70/0x70 [ 305.934830] ? find_held_lock+0x36/0x1c0 [ 305.938912] ? __schedule+0x168a/0x21d0 [ 305.942898] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.947448] ? pvclock_read_flags+0x160/0x160 [ 305.951943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.957928] ? check_preemption_disabled+0x48/0x280 [ 305.962970] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 305.968525] ? rcu_pm_notify+0xc0/0xc0 [ 305.972415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.977954] ? check_preemption_disabled+0x48/0x280 [ 305.982986] run_timer_softirq+0x52/0xb0 [ 305.987087] ? rcu_read_lock_sched_held+0x14f/0x180 [ 305.992099] __do_softirq+0x308/0xb7e [ 305.995933] ? retint_kernel+0x2d/0x2d [ 305.999826] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 306.004954] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.010405] ? finish_task_switch+0x2f4/0x910 [ 306.014910] ? schedule+0x108/0x460 [ 306.018549] ? trace_hardirqs_off+0xb8/0x310 [ 306.022956] ? smpboot_thread_fn+0x68b/0xa00 [ 306.027398] ? trace_hardirqs_on+0x310/0x310 [ 306.031807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.037348] ? check_preemption_disabled+0x48/0x280 [ 306.042364] ? takeover_tasklets+0xa90/0xa90 [ 306.046776] run_ksoftirqd+0x5e/0x100 [ 306.050594] smpboot_thread_fn+0x68b/0xa00 [ 306.054834] ? sort_range+0x30/0x30 [ 306.058468] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.064544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.070089] ? __kthread_parkme+0xfb/0x1a0 [ 306.074329] ? sort_range+0x30/0x30 [ 306.077961] kthread+0x35a/0x440 [ 306.081326] ? kthread_stop+0x900/0x900 [ 306.085298] ret_from_fork+0x3a/0x50 [ 306.089037] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 306.089093] aoe: skb alloc failure [ 306.096394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.096399] Call Trace: [ 306.096405] [ 306.096420] dump_stack+0x244/0x39d [ 306.096437] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.099982] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.109317] warn_alloc.cold.116+0xb7/0x1bd [ 306.111876] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 306.114024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.146928] ? lock_downgrade+0x900/0x900 [ 306.151089] ? trace_hardirqs_off+0xb8/0x310 [ 306.155504] ? trace_hardirqs_off+0xb8/0x310 [ 306.159932] __alloc_pages_slowpath+0x2651/0x2de0 [ 306.164800] ? warn_alloc+0x120/0x120 [ 306.168617] ? print_usage_bug+0xc0/0xc0 [ 306.172679] ? warn_alloc+0x120/0x120 [ 306.176480] ? warn_alloc+0x120/0x120 [ 306.180280] ? print_usage_bug+0xc0/0xc0 [ 306.184342] ? print_usage_bug+0xc0/0xc0 [ 306.188452] ? __lock_acquire+0x62f/0x4c20 [ 306.192692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.198226] ? should_fail+0x22d/0xd01 [ 306.202123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.207251] ? __lock_acquire+0x62f/0x4c20 [ 306.211485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.216595] ? __lock_acquire+0x62f/0x4c20 [ 306.220824] ? should_fail+0x22d/0xd01 [ 306.224705] ? find_held_lock+0x36/0x1c0 [ 306.228775] ? mark_held_locks+0x130/0x130 [ 306.233023] ? mark_held_locks+0x130/0x130 [ 306.237248] ? zap_class+0x640/0x640 [ 306.240958] ? zap_class+0x640/0x640 [ 306.244685] ? print_usage_bug+0xc0/0xc0 [ 306.248741] ? do_raw_spin_unlock+0xa7/0x330 [ 306.253147] ? zap_class+0x640/0x640 [ 306.256875] ? print_usage_bug+0xc0/0xc0 [ 306.260935] ? wq_watchdog_touch+0x9c/0xfe [ 306.265176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.270713] ? check_preemption_disabled+0x48/0x280 [ 306.275742] ? __lock_is_held+0xb5/0x140 [ 306.279806] __alloc_pages_nodemask+0xad8/0xea0 [ 306.284469] ? zap_class+0x640/0x640 [ 306.288189] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 306.293213] ? find_held_lock+0x36/0x1c0 [ 306.297282] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.301954] ? lock_downgrade+0x900/0x900 [ 306.306109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.311648] cache_grow_begin+0xa5/0x8c0 [ 306.315707] ? do_raw_spin_unlock+0xa7/0x330 [ 306.320118] fallback_alloc+0x204/0x2e0 [ 306.324099] ____cache_alloc_node+0x1c7/0x1e0 [ 306.328604] kmem_cache_alloc_node+0xe3/0x730 [ 306.333098] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.337369] __alloc_skb+0x119/0x770 [ 306.341082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.346372] ? netdev_alloc_frag+0x1f0/0x1f0 [ 306.350778] ? lock_downgrade+0x900/0x900 [ 306.354927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.360489] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.365939] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.371420] ? addrconf_rs_timer+0x690/0x690 [ 306.375871] ndisc_alloc_skb+0x144/0x340 [ 306.379958] ndisc_send_rs+0x331/0x6e0 [ 306.383851] addrconf_rs_timer+0x314/0x690 [ 306.388114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.392355] call_timer_fn+0x272/0x920 [ 306.396246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.400505] ? process_timeout+0x40/0x40 [ 306.404591] ? __run_timers+0x7da/0xc70 [ 306.408566] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.413058] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.417552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.421789] ? lockdep_hardirqs_on+0x296/0x5b0 [ 306.426370] ? trace_hardirqs_on+0xbd/0x310 [ 306.430696] ? kasan_check_read+0x11/0x20 [ 306.434845] ? __run_timers+0x7da/0xc70 [ 306.438831] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.443952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.448194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.452428] __run_timers+0x7e5/0xc70 [ 306.456238] ? timer_fixup_init+0x70/0x70 [ 306.460393] ? kasan_check_read+0x11/0x20 [ 306.464553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.469830] ? rcu_softirq_qs+0x20/0x20 [ 306.473808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.479343] ? check_preemption_disabled+0x48/0x280 [ 306.484367] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.489133] ? retint_kernel+0x2d/0x2d [ 306.493020] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.497976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.502767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.508251] ? zap_class+0x640/0x640 [ 306.511983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.517535] ? check_preemption_disabled+0x48/0x280 [ 306.522562] ? __lock_is_held+0xb5/0x140 [ 306.526626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.532177] ? check_preemption_disabled+0x48/0x280 [ 306.537208] run_timer_softirq+0x52/0xb0 [ 306.541267] ? rcu_read_lock_sched_held+0x14f/0x180 [ 306.546313] __do_softirq+0x308/0xb7e [ 306.550122] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 306.554630] ? lock_downgrade+0x900/0x900 [ 306.558782] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 306.563904] ? pvclock_read_flags+0x160/0x160 [ 306.568413] ? lapic_next_event+0x5a/0x90 [ 306.572565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.578113] ? kvm_clock_read+0x18/0x30 [ 306.582103] ? kvm_sched_clock_read+0x9/0x20 [ 306.586513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.592055] ? check_preemption_disabled+0x48/0x280 [ 306.597094] irq_exit+0x17f/0x1c0 [ 306.600561] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.605420] ? smp_call_function_single_interrupt+0x159/0x650 [ 306.611303] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.617183] ? interrupt_entry+0xb5/0xc0 [ 306.621250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.626267] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.631283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.636142] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.641172] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.646193] ? task_prio+0x50/0x50 [ 306.649756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.655292] ? check_preemption_disabled+0x48/0x280 [ 306.660312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.665190] apic_timer_interrupt+0xf/0x20 [ 306.669428] [ 306.671699] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 306.677620] 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 [ 306.696513] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 306.704213] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.711476] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 306.718740] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 306.726022] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 306.733289] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 306.740580] ? save_stack+0xa9/0xd0 [ 306.744217] __kmalloc_node_track_caller+0x3c/0x70 [ 306.749196] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 306.753992] pskb_expand_head+0x230/0x10f0 [ 306.758234] ? memcpy+0x45/0x50 [ 306.761519] ? __copy_skb_header+0x350/0x6b0 [ 306.765943] ? skb_release_data+0x880/0x880 [ 306.770269] ? __alloc_skb+0x770/0x770 [ 306.774168] ? __lock_is_held+0xb5/0x140 [ 306.778240] ? kasan_check_write+0x14/0x20 [ 306.782476] ? __skb_clone+0x6c7/0xa00 [ 306.786369] ? __copy_skb_header+0x6b0/0x6b0 [ 306.790822] ? kmem_cache_alloc+0x33a/0x730 [ 306.795151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.800704] skb_ensure_writable+0x3dd/0x640 [ 306.805123] ? skb_checksum_setup+0xaa0/0xaa0 [ 306.809631] ? preempt_notifier_register+0x200/0x200 [ 306.814742] ? __switch_to_asm+0x34/0x70 [ 306.818811] ? __switch_to_asm+0x34/0x70 [ 306.822890] ? __switch_to_asm+0x40/0x70 [ 306.826963] ? __switch_to_asm+0x34/0x70 [ 306.831029] ? __switch_to_asm+0x40/0x70 [ 306.835115] ? __switch_to_asm+0x40/0x70 [ 306.839184] ? __switch_to_asm+0x34/0x70 [ 306.843252] ? __switch_to_asm+0x34/0x70 [ 306.847321] ? __switch_to_asm+0x40/0x70 [ 306.851393] ? __switch_to_asm+0x34/0x70 [ 306.855467] bpf_clone_redirect+0x14a/0x490 [ 306.859806] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 306.864747] ? __sched_text_start+0x8/0x8 [ 306.868925] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.873515] ? retint_kernel+0x2d/0x2d [ 306.877417] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.882365] ? find_held_lock+0x36/0x1c0 [ 306.886445] ? lock_acquire+0x1ed/0x520 [ 306.890432] ? bpf_test_run+0x3cb/0x780 [ 306.894420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.899982] ? check_preemption_disabled+0x48/0x280 [ 306.905014] ? kasan_check_read+0x11/0x20 [ 306.909175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.914459] ? rcu_softirq_qs+0x20/0x20 [ 306.918442] ? preempt_schedule+0x4d/0x60 [ 306.922598] ? ___preempt_schedule+0x16/0x18 [ 306.927023] ? bpf_test_run+0x25d/0x780 [ 306.931019] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.935458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.941009] ? bpf_test_init.isra.10+0x70/0x100 [ 306.945692] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 306.950471] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 306.955322] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.960889] ? fput+0x130/0x1a0 [ 306.964185] ? __bpf_prog_get+0x9b/0x290 [ 306.968260] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 306.973115] ? bpf_prog_test_run+0x130/0x1a0 [ 306.977538] ? __x64_sys_bpf+0x3d8/0x520 [ 306.981607] ? bpf_prog_get+0x20/0x20 [ 306.985441] ? do_syscall_64+0x1b9/0x820 [ 306.989540] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.994928] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.999883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.004743] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.009772] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.014805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.019661] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.025048] warn_alloc_show_mem: 1 callbacks suppressed [ 307.025061] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 307.025062] Mem-Info: [ 307.025093] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 307.025093] active_file:12 inactive_file:11 isolated_file:0 [ 307.025093] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.025093] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 307.025093] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 307.025093] free:13794 free_pcp:515 free_cma:0 [ 307.030452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.037302] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.039707] Call Trace: [ 307.072750] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 307.082241] dump_stack+0x244/0x39d [ 307.110199] lowmem_reserve[]: 0 2818 6321 6321 [ 307.112800] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.138902] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 307.142542] warn_alloc.cold.116+0xb7/0x1bd [ 307.147102] lowmem_reserve[]: 0 0 3503 3503 [ 307.152298] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.179760] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 307.184086] ? lock_downgrade+0x900/0x900 [ 307.188387] lowmem_reserve[]: 0 0 0 0 [ 307.193237] ? trace_hardirqs_off+0xb8/0x310 [ 307.222278] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 307.226429] ? trace_hardirqs_off+0xb8/0x310 [ 307.230209] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 307.234620] __alloc_pages_slowpath+0x2651/0x2de0 [ 307.248123] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 307.252554] ? warn_alloc+0x120/0x120 [ 307.267525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.272364] ? warn_alloc+0x120/0x120 [ 307.287369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.291166] ? warn_alloc+0x120/0x120 [ 307.299987] 267 total pagecache pages [ 307.303787] ? print_usage_bug+0xc0/0xc0 [ 307.312351] 0 pages in swap cache [ 307.316153] ? print_usage_bug+0xc0/0xc0 [ 307.319943] Swap cache stats: add 0, delete 0, find 0/0 [ 307.324001] ? mark_held_locks+0x130/0x130 [ 307.327440] Free swap = 0kB [ 307.331499] ? mark_held_locks+0x130/0x130 [ 307.336850] Total swap = 0kB [ 307.341104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.344106] 1965979 pages RAM [ 307.348339] ? should_fail+0x22d/0xd01 [ 307.351339] 0 pages HighMem/MovableOnly [ 307.356896] ? zap_class+0x640/0x640 [ 307.359986] 342854 pages reserved [ 307.363894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.367847] 0 pages cma reserved [ 307.371581] ? __lock_acquire+0x62f/0x4c20 [ 307.375076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.380119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.380132] ? __lock_acquire+0x62f/0x4c20 [ 307.380148] ? should_fail+0x22d/0xd01 [ 307.383563] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.387748] ? mark_held_locks+0x130/0x130 [ 307.394222] syz-executor0 cpuset=syz0 mems_allowed=0 [ 307.399325] ? mark_held_locks+0x130/0x130 [ 307.431463] ? lock_downgrade+0x900/0x900 [ 307.435660] ? zap_class+0x640/0x640 [ 307.439398] ? zap_class+0x640/0x640 [ 307.443164] ? zap_class+0x640/0x640 [ 307.446972] ? do_raw_spin_unlock+0xa7/0x330 [ 307.451392] ? trace_hardirqs_on+0x310/0x310 [ 307.455808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.461357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.466916] ? check_preemption_disabled+0x48/0x280 [ 307.471953] ? __lock_is_held+0xb5/0x140 [ 307.476032] __alloc_pages_nodemask+0xad8/0xea0 [ 307.480709] ? zap_class+0x640/0x640 [ 307.484441] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 307.489476] ? find_held_lock+0x36/0x1c0 [ 307.493558] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.498239] ? lock_downgrade+0x900/0x900 [ 307.502401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.507956] cache_grow_begin+0xa5/0x8c0 [ 307.512029] ? do_raw_spin_unlock+0xa7/0x330 [ 307.516452] fallback_alloc+0x204/0x2e0 [ 307.520441] ____cache_alloc_node+0x1c7/0x1e0 [ 307.524949] kmem_cache_alloc_node+0xe3/0x730 [ 307.529455] ? lockdep_hardirqs_on+0x296/0x5b0 [ 307.534054] __alloc_skb+0x119/0x770 [ 307.537777] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.543153] ? netdev_alloc_frag+0x1f0/0x1f0 [ 307.547577] ? vprintk_default+0x28/0x30 [ 307.551651] ? vprintk_func+0x85/0x181 [ 307.555550] ? printk+0xa7/0xcf [ 307.558835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 307.563634] new_skb+0x26/0x1c0 [ 307.566923] aoecmd_cfg+0x279/0x7f0 [ 307.570560] ? find_held_lock+0x36/0x1c0 [ 307.574631] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 307.578967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.584523] ? __lock_is_held+0xb5/0x140 [ 307.588601] discover_timer+0x50/0x60 [ 307.592409] call_timer_fn+0x272/0x920 [ 307.596305] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 307.601157] ? process_timeout+0x40/0x40 [ 307.605232] ? __run_timers+0x7da/0xc70 [ 307.609222] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.613723] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.618223] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 307.623074] ? lockdep_hardirqs_on+0x296/0x5b0 [ 307.627666] ? trace_hardirqs_on+0xbd/0x310 [ 307.631997] ? kasan_check_read+0x11/0x20 [ 307.636156] ? __run_timers+0x7da/0xc70 [ 307.640141] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.645257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.649509] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 307.654362] __run_timers+0x7e5/0xc70 [ 307.658179] ? timer_fixup_init+0x70/0x70 [ 307.662349] ? find_held_lock+0x36/0x1c0 [ 307.666427] ? __schedule+0x168a/0x21d0 [ 307.670416] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.674931] ? pvclock_read_flags+0x160/0x160 [ 307.679436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.684985] ? check_preemption_disabled+0x48/0x280 [ 307.690019] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 307.695571] ? rcu_pm_notify+0xc0/0xc0 [ 307.699472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.705022] ? check_preemption_disabled+0x48/0x280 [ 307.710050] run_timer_softirq+0x52/0xb0 [ 307.714117] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.719147] __do_softirq+0x308/0xb7e [ 307.722961] ? retint_kernel+0x2d/0x2d [ 307.726934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.732048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.737505] ? finish_task_switch+0x2f4/0x910 [ 307.742018] ? schedule+0x108/0x460 [ 307.745663] ? trace_hardirqs_off+0xb8/0x310 [ 307.750081] ? smpboot_thread_fn+0x68b/0xa00 [ 307.754497] ? trace_hardirqs_on+0x310/0x310 [ 307.758925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.764471] ? check_preemption_disabled+0x48/0x280 [ 307.769497] ? takeover_tasklets+0xa90/0xa90 [ 307.773922] run_ksoftirqd+0x5e/0x100 [ 307.777729] smpboot_thread_fn+0x68b/0xa00 [ 307.781976] ? sort_range+0x30/0x30 [ 307.785612] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.790724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.796270] ? __kthread_parkme+0xfb/0x1a0 [ 307.800520] ? sort_range+0x30/0x30 [ 307.804156] kthread+0x35a/0x440 [ 307.807531] ? kthread_stop+0x900/0x900 [ 307.811519] ret_from_fork+0x3a/0x50 [ 307.815259] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 307.815331] aoe: skb alloc failure [ 307.822621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.822626] Call Trace: [ 307.822632] [ 307.822648] dump_stack+0x244/0x39d [ 307.822668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.826248] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.835564] warn_alloc.cold.116+0xb7/0x1bd [ 307.838131] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 307.840282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.873222] ? lock_downgrade+0x900/0x900 [ 307.877396] ? trace_hardirqs_off+0xb8/0x310 [ 307.881821] ? trace_hardirqs_off+0xb8/0x310 [ 307.886247] __alloc_pages_slowpath+0x2651/0x2de0 [ 307.891128] ? warn_alloc+0x120/0x120 [ 307.894949] ? print_usage_bug+0xc0/0xc0 [ 307.899023] ? warn_alloc+0x120/0x120 [ 307.902838] ? warn_alloc+0x120/0x120 [ 307.906662] ? print_usage_bug+0xc0/0xc0 [ 307.910735] ? print_usage_bug+0xc0/0xc0 [ 307.914808] ? __lock_acquire+0x62f/0x4c20 [ 307.919059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.924609] ? should_fail+0x22d/0xd01 [ 307.928512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.933628] ? __lock_acquire+0x62f/0x4c20 [ 307.937895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.943008] ? __lock_acquire+0x62f/0x4c20 [ 307.947254] ? should_fail+0x22d/0xd01 [ 307.951148] ? find_held_lock+0x36/0x1c0 [ 307.955231] ? mark_held_locks+0x130/0x130 [ 307.959485] ? mark_held_locks+0x130/0x130 [ 307.963729] ? zap_class+0x640/0x640 [ 307.967493] ? zap_class+0x640/0x640 [ 307.971248] ? print_usage_bug+0xc0/0xc0 [ 307.975314] ? do_raw_spin_unlock+0xa7/0x330 [ 307.979818] ? zap_class+0x640/0x640 [ 307.983542] ? print_usage_bug+0xc0/0xc0 [ 307.987611] ? wq_watchdog_touch+0x9c/0xfe [ 307.991856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.997420] ? check_preemption_disabled+0x48/0x280 [ 308.002458] ? __lock_is_held+0xb5/0x140 [ 308.006531] __alloc_pages_nodemask+0xad8/0xea0 [ 308.011208] ? zap_class+0x640/0x640 [ 308.014946] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 308.019985] ? find_held_lock+0x36/0x1c0 [ 308.024065] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.028743] ? lock_downgrade+0x900/0x900 [ 308.032926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.038478] cache_grow_begin+0xa5/0x8c0 [ 308.042547] ? do_raw_spin_unlock+0xa7/0x330 [ 308.046974] fallback_alloc+0x204/0x2e0 [ 308.050966] ____cache_alloc_node+0x1c7/0x1e0 [ 308.055476] kmem_cache_alloc_node+0xe3/0x730 [ 308.059982] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.064234] __alloc_skb+0x119/0x770 [ 308.067955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.073272] ? netdev_alloc_frag+0x1f0/0x1f0 [ 308.077688] ? lock_downgrade+0x900/0x900 [ 308.081853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.087420] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.092898] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.098359] ? addrconf_rs_timer+0x690/0x690 [ 308.102797] ndisc_alloc_skb+0x144/0x340 [ 308.106884] ndisc_send_rs+0x331/0x6e0 [ 308.110789] addrconf_rs_timer+0x314/0x690 [ 308.115044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.119296] call_timer_fn+0x272/0x920 [ 308.123192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.127449] ? process_timeout+0x40/0x40 [ 308.131530] ? __run_timers+0x7da/0xc70 [ 308.135528] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.140033] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.144535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.148778] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.153380] ? trace_hardirqs_on+0xbd/0x310 [ 308.157714] ? kasan_check_read+0x11/0x20 [ 308.161887] ? __run_timers+0x7da/0xc70 [ 308.165890] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.171020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.175266] __run_timers+0x7e5/0xc70 [ 308.179087] ? timer_fixup_init+0x70/0x70 [ 308.183245] ? kasan_check_read+0x11/0x20 [ 308.187406] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.192690] ? rcu_softirq_qs+0x20/0x20 [ 308.196675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.202224] ? check_preemption_disabled+0x48/0x280 [ 308.207255] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.212024] ? retint_kernel+0x2d/0x2d [ 308.215921] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.220880] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.225648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.231109] ? zap_class+0x640/0x640 [ 308.234836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.240405] ? check_preemption_disabled+0x48/0x280 [ 308.245454] ? __lock_is_held+0xb5/0x140 [ 308.249539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.255085] ? check_preemption_disabled+0x48/0x280 [ 308.260115] run_timer_softirq+0x52/0xb0 [ 308.264187] ? rcu_read_lock_sched_held+0x14f/0x180 [ 308.269218] __do_softirq+0x308/0xb7e [ 308.273032] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.277537] ? lock_downgrade+0x900/0x900 [ 308.281697] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 308.286816] ? pvclock_read_flags+0x160/0x160 [ 308.291323] ? lapic_next_event+0x5a/0x90 [ 308.295484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.301041] ? kvm_clock_read+0x18/0x30 [ 308.305027] ? kvm_sched_clock_read+0x9/0x20 [ 308.309445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.314993] ? check_preemption_disabled+0x48/0x280 [ 308.320076] irq_exit+0x17f/0x1c0 [ 308.323541] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.328398] ? smp_call_function_single_interrupt+0x159/0x650 [ 308.334297] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.340279] ? interrupt_entry+0xb5/0xc0 [ 308.344350] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.349402] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.354444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.359297] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.364348] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.369418] ? task_prio+0x50/0x50 [ 308.372969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.378515] ? check_preemption_disabled+0x48/0x280 [ 308.383544] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.388438] apic_timer_interrupt+0xf/0x20 [ 308.392676] [ 308.394929] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 308.400821] 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 [ 308.419728] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.427448] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 308.434722] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 308.441997] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 308.449271] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 308.456544] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 308.463851] ? save_stack+0xa9/0xd0 [ 308.467517] __kmalloc_node_track_caller+0x3c/0x70 [ 308.472465] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 308.477237] pskb_expand_head+0x230/0x10f0 [ 308.481486] ? memcpy+0x45/0x50 [ 308.484781] ? __copy_skb_header+0x350/0x6b0 [ 308.489313] ? skb_release_data+0x880/0x880 [ 308.493643] ? __alloc_skb+0x770/0x770 [ 308.497550] ? __lock_is_held+0xb5/0x140 [ 308.501629] ? kasan_check_write+0x14/0x20 [ 308.505884] ? __skb_clone+0x6c7/0xa00 [ 308.509785] ? __copy_skb_header+0x6b0/0x6b0 [ 308.514201] ? kmem_cache_alloc+0x33a/0x730 [ 308.518538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.524112] skb_ensure_writable+0x3dd/0x640 [ 308.528536] ? skb_checksum_setup+0xaa0/0xaa0 [ 308.533043] ? preempt_notifier_register+0x200/0x200 [ 308.538196] ? __switch_to_asm+0x34/0x70 [ 308.542265] ? __switch_to_asm+0x34/0x70 [ 308.546335] ? __switch_to_asm+0x40/0x70 [ 308.550406] ? __switch_to_asm+0x34/0x70 [ 308.554472] ? __switch_to_asm+0x40/0x70 [ 308.558539] ? __switch_to_asm+0x40/0x70 [ 308.562607] ? __switch_to_asm+0x34/0x70 [ 308.566690] ? __switch_to_asm+0x34/0x70 [ 308.570798] ? __switch_to_asm+0x40/0x70 [ 308.574879] ? __switch_to_asm+0x34/0x70 [ 308.578956] bpf_clone_redirect+0x14a/0x490 [ 308.583296] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 308.588235] ? __sched_text_start+0x8/0x8 [ 308.592409] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.597003] ? retint_kernel+0x2d/0x2d [ 308.600913] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.605855] ? find_held_lock+0x36/0x1c0 [ 308.609953] ? lock_acquire+0x1ed/0x520 [ 308.613940] ? bpf_test_run+0x3cb/0x780 [ 308.617924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.623469] ? check_preemption_disabled+0x48/0x280 [ 308.628517] ? kasan_check_read+0x11/0x20 [ 308.632674] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.637963] ? rcu_softirq_qs+0x20/0x20 [ 308.641954] ? preempt_schedule+0x4d/0x60 [ 308.646113] ? ___preempt_schedule+0x16/0x18 [ 308.650536] ? bpf_test_run+0x25d/0x780 [ 308.654532] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.658953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.664499] ? bpf_test_init.isra.10+0x70/0x100 [ 308.669182] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 308.673957] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 308.678812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.684359] ? fput+0x130/0x1a0 [ 308.687659] ? __bpf_prog_get+0x9b/0x290 [ 308.691731] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 308.696584] ? bpf_prog_test_run+0x130/0x1a0 [ 308.701006] ? __x64_sys_bpf+0x3d8/0x520 [ 308.705077] ? bpf_prog_get+0x20/0x20 [ 308.708920] ? do_syscall_64+0x1b9/0x820 [ 308.712989] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.718366] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.723304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.728158] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.733187] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.738221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.743083] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.748467] warn_alloc_show_mem: 1 callbacks suppressed [ 308.748479] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 308.748481] Mem-Info: [ 308.748511] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 308.748511] active_file:12 inactive_file:11 isolated_file:0 [ 308.748511] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.748511] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 308.748511] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 308.748511] free:13794 free_pcp:515 free_cma:0 [ 308.753856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.760721] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.763131] Call Trace: [ 308.796049] 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 [ 308.805410] dump_stack+0x244/0x39d [ 308.832977] lowmem_reserve[]: 0 2818 6321 6321 [ 308.835568] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.861661] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 308.865298] warn_alloc.cold.116+0xb7/0x1bd [ 308.869853] lowmem_reserve[]: 0 0 3503 3503 [ 308.875068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.902375] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 308.906697] ? lock_downgrade+0x900/0x900 [ 308.910998] lowmem_reserve[]: 0 0 0 0 [ 308.915843] ? trace_hardirqs_off+0xb8/0x310 [ 308.944904] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 308.949057] ? trace_hardirqs_off+0xb8/0x310 [ 308.952837] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 308.957279] __alloc_pages_slowpath+0x2651/0x2de0 [ 308.970780] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 308.975215] ? warn_alloc+0x120/0x120 [ 308.990181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.995023] ? warn_alloc+0x120/0x120 [ 309.010010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.013803] ? warn_alloc+0x120/0x120 [ 309.022623] 267 total pagecache pages [ 309.026424] ? print_usage_bug+0xc0/0xc0 [ 309.034984] 0 pages in swap cache [ 309.038780] ? print_usage_bug+0xc0/0xc0 [ 309.042566] Swap cache stats: add 0, delete 0, find 0/0 [ 309.046626] ? mark_held_locks+0x130/0x130 [ 309.050062] Free swap = 0kB [ 309.054120] ? mark_held_locks+0x130/0x130 [ 309.059467] Total swap = 0kB [ 309.063701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.066701] 1965979 pages RAM [ 309.070940] ? should_fail+0x22d/0xd01 [ 309.073947] 0 pages HighMem/MovableOnly [ 309.079482] ? zap_class+0x640/0x640 [ 309.082573] 342854 pages reserved [ 309.086462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.090953] 0 pages cma reserved [ 309.094668] ? __lock_acquire+0x62f/0x4c20 [ 309.098167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.103212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.106646] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.110800] ? __lock_acquire+0x62f/0x4c20 [ 309.117275] syz-executor0 cpuset=syz0 mems_allowed=0 [ 309.122386] ? should_fail+0x22d/0xd01 [ 309.146244] ? mark_held_locks+0x130/0x130 [ 309.150491] ? mark_held_locks+0x130/0x130 [ 309.154732] ? lock_downgrade+0x900/0x900 [ 309.158909] ? zap_class+0x640/0x640 [ 309.162635] ? zap_class+0x640/0x640 [ 309.166356] ? do_raw_spin_unlock+0xa7/0x330 [ 309.170776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.175545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.181093] ? check_preemption_disabled+0x48/0x280 [ 309.186129] ? __lock_is_held+0xb5/0x140 [ 309.190207] __alloc_pages_nodemask+0xad8/0xea0 [ 309.194906] ? zap_class+0x640/0x640 [ 309.198635] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 309.203670] ? find_held_lock+0x36/0x1c0 [ 309.207747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.212425] ? lock_downgrade+0x900/0x900 [ 309.216589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.222142] cache_grow_begin+0xa5/0x8c0 [ 309.226214] ? do_raw_spin_unlock+0xa7/0x330 [ 309.230639] fallback_alloc+0x204/0x2e0 [ 309.234627] ____cache_alloc_node+0x1c7/0x1e0 [ 309.239137] kmem_cache_alloc_node+0xe3/0x730 [ 309.243644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.248241] __alloc_skb+0x119/0x770 [ 309.252055] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.257435] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.261877] ? vprintk_default+0x28/0x30 [ 309.265957] ? vprintk_func+0x85/0x181 [ 309.269855] ? printk+0xa7/0xcf [ 309.273165] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 309.277942] new_skb+0x26/0x1c0 [ 309.281230] aoecmd_cfg+0x279/0x7f0 [ 309.284888] ? find_held_lock+0x36/0x1c0 [ 309.288967] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 309.293301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.298857] ? __lock_is_held+0xb5/0x140 [ 309.302960] discover_timer+0x50/0x60 [ 309.306767] call_timer_fn+0x272/0x920 [ 309.310661] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 309.315509] ? process_timeout+0x40/0x40 [ 309.319586] ? __run_timers+0x7da/0xc70 [ 309.323572] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.328073] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.332580] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 309.337431] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.342024] ? trace_hardirqs_on+0xbd/0x310 [ 309.346358] ? kasan_check_read+0x11/0x20 [ 309.350514] ? __run_timers+0x7da/0xc70 [ 309.354501] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.359618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.363891] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 309.368742] __run_timers+0x7e5/0xc70 [ 309.372565] ? timer_fixup_init+0x70/0x70 [ 309.376737] ? find_held_lock+0x36/0x1c0 [ 309.380815] ? __schedule+0x168a/0x21d0 [ 309.384798] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.389313] ? pvclock_read_flags+0x160/0x160 [ 309.393823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.399371] ? check_preemption_disabled+0x48/0x280 [ 309.404401] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 309.409948] ? rcu_pm_notify+0xc0/0xc0 [ 309.413843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.419414] ? check_preemption_disabled+0x48/0x280 [ 309.424446] run_timer_softirq+0x52/0xb0 [ 309.428515] ? rcu_read_lock_sched_held+0x14f/0x180 [ 309.433544] __do_softirq+0x308/0xb7e [ 309.437356] ? retint_kernel+0x2d/0x2d [ 309.441270] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 309.446381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.451841] ? finish_task_switch+0x2f4/0x910 [ 309.456372] ? schedule+0x108/0x460 [ 309.460021] ? trace_hardirqs_off+0xb8/0x310 [ 309.464440] ? smpboot_thread_fn+0x68b/0xa00 [ 309.468855] ? trace_hardirqs_on+0x310/0x310 [ 309.473299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.478846] ? check_preemption_disabled+0x48/0x280 [ 309.483909] ? takeover_tasklets+0xa90/0xa90 [ 309.488327] run_ksoftirqd+0x5e/0x100 [ 309.492135] smpboot_thread_fn+0x68b/0xa00 [ 309.496382] ? sort_range+0x30/0x30 [ 309.500021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.505136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.510684] ? __kthread_parkme+0xfb/0x1a0 [ 309.514932] ? sort_range+0x30/0x30 [ 309.518568] kthread+0x35a/0x440 [ 309.521945] ? kthread_stop+0x900/0x900 [ 309.525931] ret_from_fork+0x3a/0x50 [ 309.529669] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 309.529728] aoe: skb alloc failure [ 309.537036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.537042] Call Trace: [ 309.537049] [ 309.537065] dump_stack+0x244/0x39d [ 309.537084] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.540634] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.549980] warn_alloc.cold.116+0xb7/0x1bd [ 309.552541] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 309.554691] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.587714] ? lock_downgrade+0x900/0x900 [ 309.591892] ? trace_hardirqs_off+0xb8/0x310 [ 309.596319] ? trace_hardirqs_off+0xb8/0x310 [ 309.600747] __alloc_pages_slowpath+0x2651/0x2de0 [ 309.605626] ? warn_alloc+0x120/0x120 [ 309.609440] ? print_usage_bug+0xc0/0xc0 [ 309.613515] ? warn_alloc+0x120/0x120 [ 309.617331] ? warn_alloc+0x120/0x120 [ 309.621145] ? print_usage_bug+0xc0/0xc0 [ 309.625214] ? kvm_clock_read+0x18/0x30 [ 309.629197] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.634225] ? print_usage_bug+0xc0/0xc0 [ 309.638322] ? __lock_acquire+0x62f/0x4c20 [ 309.642573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.648121] ? should_fail+0x22d/0xd01 [ 309.652019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.657307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.662421] ? __lock_acquire+0x62f/0x4c20 [ 309.666673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.671782] ? __lock_acquire+0x62f/0x4c20 [ 309.676026] ? should_fail+0x22d/0xd01 [ 309.679919] ? rcu_irq_exit+0x1a2/0x390 [ 309.683926] ? mark_held_locks+0x130/0x130 [ 309.688175] ? mark_held_locks+0x130/0x130 [ 309.692427] ? mark_held_locks+0xc7/0x130 [ 309.696585] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 309.701610] ? zap_class+0x640/0x640 [ 309.705333] ? print_usage_bug+0xc0/0xc0 [ 309.709414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.714962] ? check_preemption_disabled+0x48/0x280 [ 309.719996] ? __lock_is_held+0xb5/0x140 [ 309.724074] __alloc_pages_nodemask+0xad8/0xea0 [ 309.728749] ? zap_class+0x640/0x640 [ 309.732479] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 309.737517] ? find_held_lock+0x36/0x1c0 [ 309.741600] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.746282] ? lock_downgrade+0x900/0x900 [ 309.750446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.756000] cache_grow_begin+0xa5/0x8c0 [ 309.760068] ? do_raw_spin_unlock+0xa7/0x330 [ 309.764492] fallback_alloc+0x204/0x2e0 [ 309.768497] ____cache_alloc_node+0x1c7/0x1e0 [ 309.773007] kmem_cache_alloc_node+0xe3/0x730 [ 309.777518] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.781772] __alloc_skb+0x119/0x770 [ 309.785537] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.790827] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.795255] ? lock_downgrade+0x900/0x900 [ 309.799508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.805055] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.810519] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.815978] ? addrconf_rs_timer+0x690/0x690 [ 309.820406] ndisc_alloc_skb+0x144/0x340 [ 309.824480] ndisc_send_rs+0x331/0x6e0 [ 309.828390] addrconf_rs_timer+0x314/0x690 [ 309.832638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.836943] call_timer_fn+0x272/0x920 [ 309.840841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.845097] ? process_timeout+0x40/0x40 [ 309.849176] ? __run_timers+0x7da/0xc70 [ 309.853161] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.857664] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.862165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.866412] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.871005] ? trace_hardirqs_on+0xbd/0x310 [ 309.875336] ? kasan_check_read+0x11/0x20 [ 309.879492] ? __run_timers+0x7da/0xc70 [ 309.883488] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.888602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.892855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.897116] __run_timers+0x7e5/0xc70 [ 309.900935] ? timer_fixup_init+0x70/0x70 [ 309.905095] ? kasan_check_read+0x11/0x20 [ 309.909251] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.914547] ? rcu_softirq_qs+0x20/0x20 [ 309.918618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.924164] ? check_preemption_disabled+0x48/0x280 [ 309.929195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.933968] ? retint_kernel+0x2d/0x2d [ 309.937882] ? trace_hardirqs_on_caller+0xc0/0x310 [ 309.942824] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.947588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.953051] ? zap_class+0x640/0x640 [ 309.956780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.962485] ? check_preemption_disabled+0x48/0x280 [ 309.967518] ? __lock_is_held+0xb5/0x140 [ 309.971590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.977138] ? check_preemption_disabled+0x48/0x280 [ 309.982168] run_timer_softirq+0x52/0xb0 [ 309.986240] ? rcu_read_lock_sched_held+0x14f/0x180 [ 309.991265] __do_softirq+0x308/0xb7e [ 309.995082] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 309.999584] ? lock_downgrade+0x900/0x900 [ 310.003746] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 310.008879] ? pvclock_read_flags+0x160/0x160 [ 310.013392] ? lapic_next_event+0x5a/0x90 [ 310.017551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.023104] ? kvm_clock_read+0x18/0x30 [ 310.027086] ? kvm_sched_clock_read+0x9/0x20 [ 310.031503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.037052] ? check_preemption_disabled+0x48/0x280 [ 310.042090] irq_exit+0x17f/0x1c0 [ 310.045553] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.050406] ? smp_call_function_single_interrupt+0x159/0x650 [ 310.056299] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.062196] ? interrupt_entry+0xb5/0xc0 [ 310.066268] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.071291] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.076315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.081168] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.086191] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.091225] ? task_prio+0x50/0x50 [ 310.094775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.100323] ? check_preemption_disabled+0x48/0x280 [ 310.105350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.110215] apic_timer_interrupt+0xf/0x20 [ 310.114451] [ 310.116700] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 310.122592] 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 [ 310.141497] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.149212] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.156504] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 310.163781] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 310.171058] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 310.178333] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 310.185635] ? save_stack+0xa9/0xd0 [ 310.189280] __kmalloc_node_track_caller+0x3c/0x70 [ 310.194224] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 310.198995] pskb_expand_head+0x230/0x10f0 [ 310.203242] ? memcpy+0x45/0x50 [ 310.206534] ? __copy_skb_header+0x350/0x6b0 [ 310.210954] ? skb_release_data+0x880/0x880 [ 310.215285] ? __alloc_skb+0x770/0x770 [ 310.219189] ? __lock_is_held+0xb5/0x140 [ 310.223266] ? kasan_check_write+0x14/0x20 [ 310.227508] ? __skb_clone+0x6c7/0xa00 [ 310.231413] ? __copy_skb_header+0x6b0/0x6b0 [ 310.235829] ? kmem_cache_alloc+0x33a/0x730 [ 310.240174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.245727] skb_ensure_writable+0x3dd/0x640 [ 310.250151] ? skb_checksum_setup+0xaa0/0xaa0 [ 310.254658] ? preempt_notifier_register+0x200/0x200 [ 310.259765] ? __switch_to_asm+0x34/0x70 [ 310.263831] ? __switch_to_asm+0x34/0x70 [ 310.267929] ? __switch_to_asm+0x40/0x70 [ 310.271995] ? __switch_to_asm+0x34/0x70 [ 310.276060] ? __switch_to_asm+0x40/0x70 [ 310.280126] ? __switch_to_asm+0x40/0x70 [ 310.284192] ? __switch_to_asm+0x34/0x70 [ 310.288260] ? __switch_to_asm+0x34/0x70 [ 310.292325] ? __switch_to_asm+0x40/0x70 [ 310.296396] ? __switch_to_asm+0x34/0x70 [ 310.300472] bpf_clone_redirect+0x14a/0x490 [ 310.304808] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 310.309748] ? __sched_text_start+0x8/0x8 [ 310.313927] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 310.318517] ? retint_kernel+0x2d/0x2d [ 310.322415] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.327357] ? find_held_lock+0x36/0x1c0 [ 310.331439] ? lock_acquire+0x1ed/0x520 [ 310.335425] ? bpf_test_run+0x3cb/0x780 [ 310.339415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.344962] ? check_preemption_disabled+0x48/0x280 [ 310.349992] ? kasan_check_read+0x11/0x20 [ 310.354153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.359435] ? rcu_softirq_qs+0x20/0x20 [ 310.363417] ? preempt_schedule+0x4d/0x60 [ 310.367572] ? ___preempt_schedule+0x16/0x18 [ 310.371996] ? bpf_test_run+0x25d/0x780 [ 310.375995] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.380416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.385966] ? bpf_test_init.isra.10+0x70/0x100 [ 310.390653] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 310.395429] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.400283] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.405828] ? fput+0x130/0x1a0 [ 310.409139] ? __bpf_prog_get+0x9b/0x290 [ 310.413243] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.418121] ? bpf_prog_test_run+0x130/0x1a0 [ 310.422540] ? __x64_sys_bpf+0x3d8/0x520 [ 310.426608] ? bpf_prog_get+0x20/0x20 [ 310.430441] ? do_syscall_64+0x1b9/0x820 [ 310.434512] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.439897] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.444836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.449705] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.454751] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.459781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.464637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.470025] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 310.470031] warn_alloc_show_mem: 1 callbacks suppressed [ 310.470038] Mem-Info: [ 310.476902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.482279] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 310.482279] active_file:12 inactive_file:11 isolated_file:0 [ 310.482279] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.482279] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 310.482279] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 310.482279] free:13794 free_pcp:515 free_cma:0 [ 310.484656] Call Trace: [ 310.494051] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.526939] dump_stack+0x244/0x39d [ 310.529509] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 310.557011] ? dump_stack_print_info.cold.1+0x20/0x20 [ 310.560616] lowmem_reserve[]: 0 2818 6321 6321 [ 310.586824] warn_alloc.cold.116+0xb7/0x1bd [ 310.591990] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 310.596571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.600894] lowmem_reserve[]: 0 0 3503 3503 [ 310.628218] ? lock_downgrade+0x900/0x900 [ 310.633041] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 310.637363] ? trace_hardirqs_off+0xb8/0x310 [ 310.641491] lowmem_reserve[]: 0 0 0 0 [ 310.670554] ? trace_hardirqs_off+0xb8/0x310 [ 310.674947] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 310.678749] __alloc_pages_slowpath+0x2651/0x2de0 [ 310.683135] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 310.696678] ? warn_alloc+0x120/0x120 [ 310.701479] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 310.716482] ? warn_alloc+0x120/0x120 [ 310.720273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.735266] ? warn_alloc+0x120/0x120 [ 310.739052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.747899] ? print_usage_bug+0xc0/0xc0 [ 310.751675] 267 total pagecache pages [ 310.760249] ? print_usage_bug+0xc0/0xc0 [ 310.764296] 0 pages in swap cache [ 310.768090] ? mark_held_locks+0x130/0x130 [ 310.772136] Swap cache stats: add 0, delete 0, find 0/0 [ 310.775587] ? mark_held_locks+0x130/0x130 [ 310.779805] Free swap = 0kB [ 310.785168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.789383] Total swap = 0kB [ 310.792408] ? should_fail+0x22d/0xd01 [ 310.797929] 1965979 pages RAM [ 310.800949] ? zap_class+0x640/0x640 [ 310.804823] 0 pages HighMem/MovableOnly [ 310.807931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.811628] 342854 pages reserved [ 310.815605] ? __lock_acquire+0x62f/0x4c20 [ 310.820690] 0 pages cma reserved [ 310.824145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.828424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.831720] ? __lock_acquire+0x62f/0x4c20 [ 310.831736] ? should_fail+0x22d/0xd01 [ 310.836927] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.843321] ? mark_held_locks+0x130/0x130 [ 310.847534] syz-executor0 cpuset=syz0 mems_allowed=0 [ 310.851425] ? mark_held_locks+0x130/0x130 [ 310.875452] ? lock_downgrade+0x900/0x900 [ 310.879611] ? zap_class+0x640/0x640 [ 310.883330] ? zap_class+0x640/0x640 [ 310.887052] ? zap_class+0x640/0x640 [ 310.890770] ? do_raw_spin_unlock+0xa7/0x330 [ 310.895184] ? trace_hardirqs_on+0x310/0x310 [ 310.899603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.905154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.910699] ? check_preemption_disabled+0x48/0x280 [ 310.915735] ? __lock_is_held+0xb5/0x140 [ 310.919813] __alloc_pages_nodemask+0xad8/0xea0 [ 310.924488] ? zap_class+0x640/0x640 [ 310.928213] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 310.933248] ? find_held_lock+0x36/0x1c0 [ 310.937325] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.942001] ? lock_downgrade+0x900/0x900 [ 310.946163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.951712] cache_grow_begin+0xa5/0x8c0 [ 310.955782] ? do_raw_spin_unlock+0xa7/0x330 [ 310.960205] fallback_alloc+0x204/0x2e0 [ 310.964192] ____cache_alloc_node+0x1c7/0x1e0 [ 310.968703] kmem_cache_alloc_node+0xe3/0x730 [ 310.973209] ? lockdep_hardirqs_on+0x296/0x5b0 [ 310.977807] __alloc_skb+0x119/0x770 [ 310.981531] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.986925] ? netdev_alloc_frag+0x1f0/0x1f0 [ 310.991350] ? vprintk_default+0x28/0x30 [ 310.995422] ? vprintk_func+0x85/0x181 [ 310.999319] ? printk+0xa7/0xcf [ 311.002608] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 311.007382] new_skb+0x26/0x1c0 [ 311.010668] aoecmd_cfg+0x279/0x7f0 [ 311.014308] ? find_held_lock+0x36/0x1c0 [ 311.018379] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 311.022712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.028266] ? __lock_is_held+0xb5/0x140 [ 311.032345] discover_timer+0x50/0x60 [ 311.036155] call_timer_fn+0x272/0x920 [ 311.040053] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.044924] ? process_timeout+0x40/0x40 [ 311.048999] ? __run_timers+0x7da/0xc70 [ 311.052987] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.057492] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.061996] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.066849] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.071458] ? trace_hardirqs_on+0xbd/0x310 [ 311.075787] ? kasan_check_read+0x11/0x20 [ 311.079943] ? __run_timers+0x7da/0xc70 [ 311.083930] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.089040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.093279] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 311.098128] __run_timers+0x7e5/0xc70 [ 311.101953] ? timer_fixup_init+0x70/0x70 [ 311.106125] ? find_held_lock+0x36/0x1c0 [ 311.110204] ? __schedule+0x168a/0x21d0 [ 311.114187] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.118697] ? pvclock_read_flags+0x160/0x160 [ 311.123205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.128754] ? check_preemption_disabled+0x48/0x280 [ 311.133790] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 311.139339] ? rcu_pm_notify+0xc0/0xc0 [ 311.143239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.148782] ? check_preemption_disabled+0x48/0x280 [ 311.153809] run_timer_softirq+0x52/0xb0 [ 311.157897] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.162923] __do_softirq+0x308/0xb7e [ 311.166734] ? retint_kernel+0x2d/0x2d [ 311.170632] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.175743] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.181200] ? finish_task_switch+0x2f4/0x910 [ 311.185709] ? schedule+0x108/0x460 [ 311.189390] ? trace_hardirqs_off+0xb8/0x310 [ 311.193822] ? smpboot_thread_fn+0x68b/0xa00 [ 311.198237] ? trace_hardirqs_on+0x310/0x310 [ 311.202653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.208201] ? check_preemption_disabled+0x48/0x280 [ 311.213226] ? takeover_tasklets+0xa90/0xa90 [ 311.217647] run_ksoftirqd+0x5e/0x100 [ 311.221453] smpboot_thread_fn+0x68b/0xa00 [ 311.225702] ? sort_range+0x30/0x30 [ 311.229338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.234451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.239997] ? __kthread_parkme+0xfb/0x1a0 [ 311.244246] ? sort_range+0x30/0x30 [ 311.247903] kthread+0x35a/0x440 [ 311.251284] ? kthread_stop+0x900/0x900 [ 311.255269] ret_from_fork+0x3a/0x50 [ 311.259012] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 311.259066] aoe: skb alloc failure [ 311.266376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.266381] Call Trace: [ 311.266393] [ 311.266410] dump_stack+0x244/0x39d [ 311.266428] ? dump_stack_print_info.cold.1+0x20/0x20 [ 311.269979] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.279317] warn_alloc.cold.116+0xb7/0x1bd [ 311.281892] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 311.284041] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.316971] ? lock_downgrade+0x900/0x900 [ 311.321134] ? trace_hardirqs_off+0xb8/0x310 [ 311.325556] ? trace_hardirqs_off+0xb8/0x310 [ 311.329979] __alloc_pages_slowpath+0x2651/0x2de0 [ 311.334859] ? warn_alloc+0x120/0x120 [ 311.338691] ? print_usage_bug+0xc0/0xc0 [ 311.342761] ? warn_alloc+0x120/0x120 [ 311.346573] ? warn_alloc+0x120/0x120 [ 311.350383] ? print_usage_bug+0xc0/0xc0 [ 311.354461] ? kvm_clock_read+0x18/0x30 [ 311.358442] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 311.363469] ? print_usage_bug+0xc0/0xc0 [ 311.367540] ? __lock_acquire+0x62f/0x4c20 [ 311.371786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.377329] ? should_fail+0x22d/0xd01 [ 311.381222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.386509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.391619] ? __lock_acquire+0x62f/0x4c20 [ 311.395880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.400996] ? __lock_acquire+0x62f/0x4c20 [ 311.405237] ? should_fail+0x22d/0xd01 [ 311.409131] ? rcu_irq_exit+0x1a2/0x390 [ 311.413126] ? mark_held_locks+0x130/0x130 [ 311.417375] ? mark_held_locks+0x130/0x130 [ 311.421633] ? mark_held_locks+0xc7/0x130 [ 311.425789] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 311.430816] ? zap_class+0x640/0x640 [ 311.434541] ? print_usage_bug+0xc0/0xc0 [ 311.438612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.444162] ? check_preemption_disabled+0x48/0x280 [ 311.449195] ? __lock_is_held+0xb5/0x140 [ 311.453282] __alloc_pages_nodemask+0xad8/0xea0 [ 311.457964] ? zap_class+0x640/0x640 [ 311.461690] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 311.466726] ? find_held_lock+0x36/0x1c0 [ 311.470804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.475481] ? lock_downgrade+0x900/0x900 [ 311.479648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.485198] cache_grow_begin+0xa5/0x8c0 [ 311.489265] ? do_raw_spin_unlock+0xa7/0x330 [ 311.493687] fallback_alloc+0x204/0x2e0 [ 311.497680] ____cache_alloc_node+0x1c7/0x1e0 [ 311.502188] kmem_cache_alloc_node+0xe3/0x730 [ 311.506696] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.510953] __alloc_skb+0x119/0x770 [ 311.514676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.519964] ? netdev_alloc_frag+0x1f0/0x1f0 [ 311.524382] ? lock_downgrade+0x900/0x900 [ 311.528555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.534100] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.539560] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.545023] ? addrconf_rs_timer+0x690/0x690 [ 311.549450] ndisc_alloc_skb+0x144/0x340 [ 311.553527] ndisc_send_rs+0x331/0x6e0 [ 311.557427] addrconf_rs_timer+0x314/0x690 [ 311.561676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.565929] call_timer_fn+0x272/0x920 [ 311.569822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.574067] ? process_timeout+0x40/0x40 [ 311.578143] ? __run_timers+0x7da/0xc70 [ 311.582127] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.586629] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.591135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.595377] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.599975] ? trace_hardirqs_on+0xbd/0x310 [ 311.604302] ? kasan_check_read+0x11/0x20 [ 311.608453] ? __run_timers+0x7da/0xc70 [ 311.612439] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.617555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.621805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.626049] __run_timers+0x7e5/0xc70 [ 311.629882] ? timer_fixup_init+0x70/0x70 [ 311.634037] ? kasan_check_read+0x11/0x20 [ 311.638189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.643476] ? rcu_softirq_qs+0x20/0x20 [ 311.647458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.653010] ? check_preemption_disabled+0x48/0x280 [ 311.658044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.662809] ? retint_kernel+0x2d/0x2d [ 311.666706] ? trace_hardirqs_on_caller+0xc0/0x310 [ 311.671648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.676414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.681889] ? zap_class+0x640/0x640 [ 311.685622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.691171] ? check_preemption_disabled+0x48/0x280 [ 311.696203] ? __lock_is_held+0xb5/0x140 [ 311.700275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.705823] ? check_preemption_disabled+0x48/0x280 [ 311.710855] run_timer_softirq+0x52/0xb0 [ 311.714943] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.719967] __do_softirq+0x308/0xb7e [ 311.723778] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 311.728296] ? lock_downgrade+0x900/0x900 [ 311.732458] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.737580] ? pvclock_read_flags+0x160/0x160 [ 311.742083] ? lapic_next_event+0x5a/0x90 [ 311.746240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.751789] ? kvm_clock_read+0x18/0x30 [ 311.755773] ? kvm_sched_clock_read+0x9/0x20 [ 311.760194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.765742] ? check_preemption_disabled+0x48/0x280 [ 311.770780] irq_exit+0x17f/0x1c0 [ 311.774244] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.779095] ? smp_call_function_single_interrupt+0x159/0x650 [ 311.784993] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.790896] ? interrupt_entry+0xb5/0xc0 [ 311.794969] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.799997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.805025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.809890] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.814922] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.819950] ? task_prio+0x50/0x50 [ 311.823502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.829048] ? check_preemption_disabled+0x48/0x280 [ 311.834086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.838949] apic_timer_interrupt+0xf/0x20 [ 311.843187] [ 311.845435] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 311.851328] 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 [ 311.870232] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.877946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.885226] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 311.892497] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 311.899773] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 311.907044] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 311.914347] ? save_stack+0xa9/0xd0 [ 311.917996] __kmalloc_node_track_caller+0x3c/0x70 [ 311.922942] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 311.927713] pskb_expand_head+0x230/0x10f0 [ 311.931965] ? memcpy+0x45/0x50 [ 311.935254] ? __copy_skb_header+0x350/0x6b0 [ 311.939672] ? skb_release_data+0x880/0x880 [ 311.944004] ? __alloc_skb+0x770/0x770 [ 311.947924] ? __lock_is_held+0xb5/0x140 [ 311.952001] ? kasan_check_write+0x14/0x20 [ 311.956245] ? __skb_clone+0x6c7/0xa00 [ 311.960252] ? __copy_skb_header+0x6b0/0x6b0 [ 311.964669] ? kmem_cache_alloc+0x33a/0x730 [ 311.969000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.974555] skb_ensure_writable+0x3dd/0x640 [ 311.978976] ? skb_checksum_setup+0xaa0/0xaa0 [ 311.983481] ? preempt_notifier_register+0x200/0x200 [ 311.988589] ? __switch_to_asm+0x34/0x70 [ 311.992649] ? __switch_to_asm+0x34/0x70 [ 311.996715] ? __switch_to_asm+0x40/0x70 [ 312.000781] ? __switch_to_asm+0x34/0x70 [ 312.004846] ? __switch_to_asm+0x40/0x70 [ 312.008934] ? __switch_to_asm+0x40/0x70 [ 312.013002] ? __switch_to_asm+0x34/0x70 [ 312.017073] ? __switch_to_asm+0x34/0x70 [ 312.021136] ? __switch_to_asm+0x40/0x70 [ 312.025204] ? __switch_to_asm+0x34/0x70 [ 312.029279] bpf_clone_redirect+0x14a/0x490 [ 312.033623] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 312.038569] ? __sched_text_start+0x8/0x8 [ 312.042728] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 312.047319] ? retint_kernel+0x2d/0x2d [ 312.051214] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.056158] ? find_held_lock+0x36/0x1c0 [ 312.060238] ? lock_acquire+0x1ed/0x520 [ 312.064222] ? bpf_test_run+0x3cb/0x780 [ 312.068207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.073752] ? check_preemption_disabled+0x48/0x280 [ 312.078781] ? kasan_check_read+0x11/0x20 [ 312.082941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.088225] ? rcu_softirq_qs+0x20/0x20 [ 312.092211] ? preempt_schedule+0x4d/0x60 [ 312.096371] ? ___preempt_schedule+0x16/0x18 [ 312.100802] ? bpf_test_run+0x25d/0x780 [ 312.104799] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.109217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.114762] ? bpf_test_init.isra.10+0x70/0x100 [ 312.119441] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 312.124213] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.129064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.134608] ? fput+0x130/0x1a0 [ 312.137912] ? __bpf_prog_get+0x9b/0x290 [ 312.141987] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.146843] ? bpf_prog_test_run+0x130/0x1a0 [ 312.151280] ? __x64_sys_bpf+0x3d8/0x520 [ 312.155348] ? bpf_prog_get+0x20/0x20 [ 312.159176] ? do_syscall_64+0x1b9/0x820 [ 312.163242] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.168614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.173553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.178409] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.183441] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.188475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.193332] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.198714] warn_alloc_show_mem: 1 callbacks suppressed [ 312.198726] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 312.198728] Mem-Info: [ 312.198758] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 312.198758] active_file:12 inactive_file:11 isolated_file:0 [ 312.198758] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.198758] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 312.198758] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 312.198758] free:13794 free_pcp:515 free_cma:0 [ 312.204102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.210957] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.213362] Call Trace: [ 312.246234] 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 [ 312.255598] dump_stack+0x244/0x39d [ 312.283075] lowmem_reserve[]: 0 2818 6321 6321 [ 312.285665] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.311756] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 312.315393] warn_alloc.cold.116+0xb7/0x1bd [ 312.319957] lowmem_reserve[]: 0 0 3503 3503 [ 312.325149] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.352452] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 312.356773] ? lock_downgrade+0x900/0x900 [ 312.361073] lowmem_reserve[]: 0 0 0 0 [ 312.365935] ? trace_hardirqs_off+0xb8/0x310 [ 312.394979] 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 [ 312.399129] ? trace_hardirqs_off+0xb8/0x310 [ 312.402910] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 312.407322] __alloc_pages_slowpath+0x2651/0x2de0 [ 312.420824] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 312.425255] ? warn_alloc+0x120/0x120 [ 312.440220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.445059] ? warn_alloc+0x120/0x120 [ 312.460044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.463839] ? warn_alloc+0x120/0x120 [ 312.472659] 267 total pagecache pages [ 312.476462] ? print_usage_bug+0xc0/0xc0 [ 312.485027] 0 pages in swap cache [ 312.488824] ? print_usage_bug+0xc0/0xc0 [ 312.492608] Swap cache stats: add 0, delete 0, find 0/0 [ 312.496666] ? mark_held_locks+0x130/0x130 [ 312.500100] Free swap = 0kB [ 312.504159] ? mark_held_locks+0x130/0x130 [ 312.509508] Total swap = 0kB [ 312.513748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.516752] 1965979 pages RAM [ 312.520986] ? should_fail+0x22d/0xd01 [ 312.523989] 0 pages HighMem/MovableOnly [ 312.529527] ? zap_class+0x640/0x640 [ 312.532618] 342854 pages reserved [ 312.536505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.540462] 0 pages cma reserved [ 312.544174] ? __lock_acquire+0x62f/0x4c20 [ 312.547678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.552712] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.556149] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.560297] ? __lock_acquire+0x62f/0x4c20 [ 312.566773] syz-executor0 cpuset=syz0 mems_allowed=0 [ 312.571889] ? should_fail+0x22d/0xd01 [ 312.571914] ? mark_held_locks+0x130/0x130 [ 312.599827] ? mark_held_locks+0x130/0x130 [ 312.604069] ? lock_downgrade+0x900/0x900 [ 312.608226] ? zap_class+0x640/0x640 [ 312.611950] ? zap_class+0x640/0x640 [ 312.615673] ? zap_class+0x640/0x640 [ 312.619393] ? do_raw_spin_unlock+0xa7/0x330 [ 312.623810] ? trace_hardirqs_on+0x310/0x310 [ 312.628223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.633767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.639315] ? check_preemption_disabled+0x48/0x280 [ 312.644351] ? __lock_is_held+0xb5/0x140 [ 312.648428] __alloc_pages_nodemask+0xad8/0xea0 [ 312.653102] ? zap_class+0x640/0x640 [ 312.656830] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 312.661901] ? find_held_lock+0x36/0x1c0 [ 312.665986] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.670668] ? lock_downgrade+0x900/0x900 [ 312.674832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.680396] cache_grow_begin+0xa5/0x8c0 [ 312.684463] ? do_raw_spin_unlock+0xa7/0x330 [ 312.688906] fallback_alloc+0x204/0x2e0 [ 312.692917] ____cache_alloc_node+0x1c7/0x1e0 [ 312.697424] kmem_cache_alloc_node+0xe3/0x730 [ 312.701927] ? lockdep_hardirqs_on+0x296/0x5b0 [ 312.706527] __alloc_skb+0x119/0x770 [ 312.710246] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.715619] ? netdev_alloc_frag+0x1f0/0x1f0 [ 312.720046] ? vprintk_default+0x28/0x30 [ 312.724114] ? vprintk_func+0x85/0x181 [ 312.728012] ? printk+0xa7/0xcf [ 312.731297] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 312.736069] new_skb+0x26/0x1c0 [ 312.739356] aoecmd_cfg+0x279/0x7f0 [ 312.742995] ? find_held_lock+0x36/0x1c0 [ 312.747065] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 312.751398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.756958] ? __lock_is_held+0xb5/0x140 [ 312.761041] discover_timer+0x50/0x60 [ 312.764847] call_timer_fn+0x272/0x920 [ 312.768761] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 312.773611] ? process_timeout+0x40/0x40 [ 312.777686] ? __run_timers+0x7da/0xc70 [ 312.781668] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.786169] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.790770] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 312.795620] ? lockdep_hardirqs_on+0x296/0x5b0 [ 312.800209] ? trace_hardirqs_on+0xbd/0x310 [ 312.804542] ? kasan_check_read+0x11/0x20 [ 312.808699] ? __run_timers+0x7da/0xc70 [ 312.812684] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.817800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.822051] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 312.826916] __run_timers+0x7e5/0xc70 [ 312.830738] ? timer_fixup_init+0x70/0x70 [ 312.834938] ? find_held_lock+0x36/0x1c0 [ 312.839025] ? __schedule+0x168a/0x21d0 [ 312.843012] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.847523] ? pvclock_read_flags+0x160/0x160 [ 312.852028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.857575] ? check_preemption_disabled+0x48/0x280 [ 312.862612] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 312.868159] ? rcu_pm_notify+0xc0/0xc0 [ 312.872055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.877600] ? check_preemption_disabled+0x48/0x280 [ 312.882627] run_timer_softirq+0x52/0xb0 [ 312.886695] ? rcu_read_lock_sched_held+0x14f/0x180 [ 312.891717] __do_softirq+0x308/0xb7e [ 312.895530] ? retint_kernel+0x2d/0x2d [ 312.899433] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 312.904544] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.910004] ? finish_task_switch+0x2f4/0x910 [ 312.914516] ? schedule+0x108/0x460 [ 312.918160] ? trace_hardirqs_off+0xb8/0x310 [ 312.922580] ? smpboot_thread_fn+0x68b/0xa00 [ 312.926995] ? trace_hardirqs_on+0x310/0x310 [ 312.931411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.936963] ? check_preemption_disabled+0x48/0x280 [ 312.941989] ? takeover_tasklets+0xa90/0xa90 [ 312.946406] run_ksoftirqd+0x5e/0x100 [ 312.950215] smpboot_thread_fn+0x68b/0xa00 [ 312.954458] ? sort_range+0x30/0x30 [ 312.958095] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.963211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.968755] ? __kthread_parkme+0xfb/0x1a0 [ 312.972999] ? sort_range+0x30/0x30 [ 312.976634] kthread+0x35a/0x440 [ 312.980011] ? kthread_stop+0x900/0x900 [ 312.983996] ret_from_fork+0x3a/0x50 [ 312.987733] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 312.987791] aoe: skb alloc failure [ 312.995098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.995107] Call Trace: [ 312.998699] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.007989] [ 313.010566] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 313.020896] dump_stack+0x244/0x39d [ 313.031323] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.036710] warn_alloc.cold.116+0xb7/0x1bd [ 313.041040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.045907] ? lock_downgrade+0x900/0x900 [ 313.050075] ? trace_hardirqs_off+0xb8/0x310 [ 313.054504] ? trace_hardirqs_off+0xb8/0x310 [ 313.058931] __alloc_pages_slowpath+0x2651/0x2de0 [ 313.063819] ? warn_alloc+0x120/0x120 [ 313.067631] ? print_usage_bug+0xc0/0xc0 [ 313.071700] ? warn_alloc+0x120/0x120 [ 313.075513] ? warn_alloc+0x120/0x120 [ 313.079324] ? print_usage_bug+0xc0/0xc0 [ 313.083401] ? kvm_clock_read+0x18/0x30 [ 313.087391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.092952] ? print_usage_bug+0xc0/0xc0 [ 313.097025] ? __lock_acquire+0x62f/0x4c20 [ 313.101275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.106824] ? should_fail+0x22d/0xd01 [ 313.110718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.116006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.121123] ? __lock_acquire+0x62f/0x4c20 [ 313.125376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.130491] ? __lock_acquire+0x62f/0x4c20 [ 313.134731] ? should_fail+0x22d/0xd01 [ 313.138622] ? rcu_irq_exit+0x1a2/0x390 [ 313.142616] ? mark_held_locks+0x130/0x130 [ 313.146877] ? mark_held_locks+0x130/0x130 [ 313.151128] ? mark_held_locks+0xc7/0x130 [ 313.155286] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 313.160313] ? zap_class+0x640/0x640 [ 313.164035] ? print_usage_bug+0xc0/0xc0 [ 313.168113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.173658] ? check_preemption_disabled+0x48/0x280 [ 313.178690] ? __lock_is_held+0xb5/0x140 [ 313.182767] __alloc_pages_nodemask+0xad8/0xea0 [ 313.187446] ? zap_class+0x640/0x640 [ 313.191179] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 313.196219] ? find_held_lock+0x36/0x1c0 [ 313.200303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.204981] ? lock_downgrade+0x900/0x900 [ 313.209144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.214697] cache_grow_begin+0xa5/0x8c0 [ 313.218770] ? do_raw_spin_unlock+0xa7/0x330 [ 313.223192] fallback_alloc+0x204/0x2e0 [ 313.227179] ____cache_alloc_node+0x1c7/0x1e0 [ 313.231692] kmem_cache_alloc_node+0xe3/0x730 [ 313.236196] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.240452] __alloc_skb+0x119/0x770 [ 313.244173] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.249462] ? netdev_alloc_frag+0x1f0/0x1f0 [ 313.253894] ? lock_downgrade+0x900/0x900 [ 313.258061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.263608] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.269068] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.274529] ? addrconf_rs_timer+0x690/0x690 [ 313.278968] ndisc_alloc_skb+0x144/0x340 [ 313.283045] ndisc_send_rs+0x331/0x6e0 [ 313.286953] addrconf_rs_timer+0x314/0x690 [ 313.291203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.295453] call_timer_fn+0x272/0x920 [ 313.299352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.303597] ? process_timeout+0x40/0x40 [ 313.307675] ? __run_timers+0x7da/0xc70 [ 313.311658] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.316158] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.320660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.324921] ? lockdep_hardirqs_on+0x296/0x5b0 [ 313.329518] ? trace_hardirqs_on+0xbd/0x310 [ 313.333846] ? kasan_check_read+0x11/0x20 [ 313.338014] ? __run_timers+0x7da/0xc70 [ 313.341996] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.347113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.351363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.355614] __run_timers+0x7e5/0xc70 [ 313.359436] ? timer_fixup_init+0x70/0x70 [ 313.363593] ? kasan_check_read+0x11/0x20 [ 313.367747] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.373036] ? rcu_softirq_qs+0x20/0x20 [ 313.377019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.382567] ? check_preemption_disabled+0x48/0x280 [ 313.387603] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.392369] ? retint_kernel+0x2d/0x2d [ 313.396272] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.401209] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.405978] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.411440] ? zap_class+0x640/0x640 [ 313.415168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.420715] ? check_preemption_disabled+0x48/0x280 [ 313.425749] ? __lock_is_held+0xb5/0x140 [ 313.429825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.435371] ? check_preemption_disabled+0x48/0x280 [ 313.440407] run_timer_softirq+0x52/0xb0 [ 313.444478] ? rcu_read_lock_sched_held+0x14f/0x180 [ 313.449504] __do_softirq+0x308/0xb7e [ 313.453318] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 313.457824] ? lock_downgrade+0x900/0x900 [ 313.462159] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 313.467278] ? pvclock_read_flags+0x160/0x160 [ 313.471783] ? lapic_next_event+0x5a/0x90 [ 313.475949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.481497] ? kvm_clock_read+0x18/0x30 [ 313.485481] ? kvm_sched_clock_read+0x9/0x20 [ 313.489909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.495457] ? check_preemption_disabled+0x48/0x280 [ 313.500496] irq_exit+0x17f/0x1c0 [ 313.503961] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.508812] ? smp_call_function_single_interrupt+0x159/0x650 [ 313.514708] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.520601] ? interrupt_entry+0xb5/0xc0 [ 313.524672] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.529695] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.534721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.539574] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.544600] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.549621] ? task_prio+0x50/0x50 [ 313.553171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.558720] ? check_preemption_disabled+0x48/0x280 [ 313.563752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.568612] apic_timer_interrupt+0xf/0x20 [ 313.572845] [ 313.575112] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 313.581005] 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 [ 313.599916] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.607631] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.614920] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 313.622195] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 313.629472] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 313.636744] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 313.644050] ? save_stack+0xa9/0xd0 [ 313.647699] __kmalloc_node_track_caller+0x3c/0x70 [ 313.652647] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 313.657432] pskb_expand_head+0x230/0x10f0 [ 313.661681] ? memcpy+0x45/0x50 [ 313.664977] ? __copy_skb_header+0x350/0x6b0 [ 313.669404] ? skb_release_data+0x880/0x880 [ 313.673734] ? __alloc_skb+0x770/0x770 [ 313.677639] ? __lock_is_held+0xb5/0x140 [ 313.681718] ? kasan_check_write+0x14/0x20 [ 313.685957] ? __skb_clone+0x6c7/0xa00 [ 313.689859] ? __copy_skb_header+0x6b0/0x6b0 [ 313.694291] ? kmem_cache_alloc+0x33a/0x730 [ 313.698627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.704181] skb_ensure_writable+0x3dd/0x640 [ 313.708602] ? skb_checksum_setup+0xaa0/0xaa0 [ 313.713107] ? preempt_notifier_register+0x200/0x200 [ 313.718217] ? __switch_to_asm+0x34/0x70 [ 313.722289] ? __switch_to_asm+0x34/0x70 [ 313.726354] ? __switch_to_asm+0x40/0x70 [ 313.730430] ? __switch_to_asm+0x34/0x70 [ 313.734500] ? __switch_to_asm+0x40/0x70 [ 313.738566] ? __switch_to_asm+0x40/0x70 [ 313.742631] ? __switch_to_asm+0x34/0x70 [ 313.746702] ? __switch_to_asm+0x34/0x70 [ 313.750767] ? __switch_to_asm+0x40/0x70 [ 313.754835] ? __switch_to_asm+0x34/0x70 [ 313.758935] bpf_clone_redirect+0x14a/0x490 [ 313.763276] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 313.768218] ? __sched_text_start+0x8/0x8 [ 313.772382] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 313.776981] ? retint_kernel+0x2d/0x2d [ 313.780893] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.785837] ? find_held_lock+0x36/0x1c0 [ 313.789935] ? lock_acquire+0x1ed/0x520 [ 313.793923] ? bpf_test_run+0x3cb/0x780 [ 313.797928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.803476] ? check_preemption_disabled+0x48/0x280 [ 313.808507] ? kasan_check_read+0x11/0x20 [ 313.812665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.817954] ? rcu_softirq_qs+0x20/0x20 [ 313.821941] ? preempt_schedule+0x4d/0x60 [ 313.826100] ? ___preempt_schedule+0x16/0x18 [ 313.830531] ? bpf_test_run+0x25d/0x780 [ 313.834526] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.838947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.844493] ? bpf_test_init.isra.10+0x70/0x100 [ 313.849176] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 313.853952] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.858800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.864344] ? fput+0x130/0x1a0 [ 313.867635] ? __bpf_prog_get+0x9b/0x290 [ 313.871708] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.876562] ? bpf_prog_test_run+0x130/0x1a0 [ 313.880980] ? __x64_sys_bpf+0x3d8/0x520 [ 313.885049] ? bpf_prog_get+0x20/0x20 [ 313.888890] ? do_syscall_64+0x1b9/0x820 [ 313.892964] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.898340] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.903279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.908136] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.913167] ? prepare_exit_to_usermode+0x291/0x3b0 [ 313.918207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.923065] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.928454] warn_alloc_show_mem: 1 callbacks suppressed [ 313.928466] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 313.928467] Mem-Info: [ 313.928498] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 313.928498] active_file:12 inactive_file:11 isolated_file:0 [ 313.928498] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.928498] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 313.928498] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 313.928498] free:13794 free_pcp:515 free_cma:0 [ 313.933846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.940709] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.943117] Call Trace: [ 313.976233] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 313.985598] dump_stack+0x244/0x39d [ 314.016805] lowmem_reserve[]: 0 2818 6321 6321 [ 314.019394] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.045488] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 314.049129] warn_alloc.cold.116+0xb7/0x1bd [ 314.053706] lowmem_reserve[]: 0 0 3503 3503 [ 314.058914] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.086277] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 314.090601] ? lock_downgrade+0x900/0x900 [ 314.094928] lowmem_reserve[]: 0 0 0 0 [ 314.099778] ? trace_hardirqs_off+0xb8/0x310 [ 314.128819] 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 [ 314.132973] ? trace_hardirqs_off+0xb8/0x310 [ 314.136754] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 314.141167] __alloc_pages_slowpath+0x2651/0x2de0 [ 314.154671] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 314.159103] ? warn_alloc+0x120/0x120 [ 314.174071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.178932] ? warn_alloc+0x120/0x120 [ 314.193922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.197714] ? warn_alloc+0x120/0x120 [ 314.206534] 267 total pagecache pages [ 314.210341] ? print_usage_bug+0xc0/0xc0 [ 314.218912] 0 pages in swap cache [ 314.222708] ? print_usage_bug+0xc0/0xc0 [ 314.226493] Swap cache stats: add 0, delete 0, find 0/0 [ 314.230555] ? mark_held_locks+0x130/0x130 [ 314.233988] Free swap = 0kB [ 314.238047] ? mark_held_locks+0x130/0x130 [ 314.243392] Total swap = 0kB [ 314.247630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.250627] 1965979 pages RAM [ 314.254861] ? should_fail+0x22d/0xd01 [ 314.257897] 0 pages HighMem/MovableOnly [ 314.263435] ? zap_class+0x640/0x640 [ 314.266521] 342854 pages reserved [ 314.270411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.274368] 0 pages cma reserved [ 314.278083] ? __lock_acquire+0x62f/0x4c20 [ 314.281595] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.286621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.286635] ? __lock_acquire+0x62f/0x4c20 [ 314.286651] ? should_fail+0x22d/0xd01 [ 314.290057] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.294247] ? mark_held_locks+0x130/0x130 [ 314.300715] syz-executor0 cpuset=syz0 mems_allowed=0 [ 314.305820] ? mark_held_locks+0x130/0x130 [ 314.337946] ? lock_downgrade+0x900/0x900 [ 314.342105] ? zap_class+0x640/0x640 [ 314.345834] ? zap_class+0x640/0x640 [ 314.349567] ? do_raw_spin_unlock+0xa7/0x330 [ 314.353986] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.358750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.364297] ? check_preemption_disabled+0x48/0x280 [ 314.369330] ? __lock_is_held+0xb5/0x140 [ 314.373408] __alloc_pages_nodemask+0xad8/0xea0 [ 314.378084] ? zap_class+0x640/0x640 [ 314.381812] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 314.386851] ? find_held_lock+0x36/0x1c0 [ 314.390954] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.395630] ? lock_downgrade+0x900/0x900 [ 314.399796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.405350] cache_grow_begin+0xa5/0x8c0 [ 314.409416] ? do_raw_spin_unlock+0xa7/0x330 [ 314.413840] fallback_alloc+0x204/0x2e0 [ 314.417850] ____cache_alloc_node+0x1c7/0x1e0 [ 314.422378] kmem_cache_alloc_node+0xe3/0x730 [ 314.426905] ? lockdep_hardirqs_on+0x296/0x5b0 [ 314.431506] __alloc_skb+0x119/0x770 [ 314.435227] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.440601] ? netdev_alloc_frag+0x1f0/0x1f0 [ 314.445029] ? vprintk_default+0x28/0x30 [ 314.449099] ? vprintk_func+0x85/0x181 [ 314.452997] ? printk+0xa7/0xcf [ 314.456283] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 314.461060] new_skb+0x26/0x1c0 [ 314.464353] aoecmd_cfg+0x279/0x7f0 [ 314.467991] ? find_held_lock+0x36/0x1c0 [ 314.472061] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 314.476395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.481951] ? __lock_is_held+0xb5/0x140 [ 314.486035] discover_timer+0x50/0x60 [ 314.489841] call_timer_fn+0x272/0x920 [ 314.493758] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.498606] ? process_timeout+0x40/0x40 [ 314.502687] ? __run_timers+0x7da/0xc70 [ 314.506675] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.511177] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.515677] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.520527] ? lockdep_hardirqs_on+0x296/0x5b0 [ 314.525120] ? trace_hardirqs_on+0xbd/0x310 [ 314.529450] ? kasan_check_read+0x11/0x20 [ 314.533608] ? __run_timers+0x7da/0xc70 [ 314.537590] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.542706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.546954] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 314.551805] __run_timers+0x7e5/0xc70 [ 314.555621] ? timer_fixup_init+0x70/0x70 [ 314.559787] ? find_held_lock+0x36/0x1c0 [ 314.563882] ? __schedule+0x168a/0x21d0 [ 314.567894] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.572405] ? pvclock_read_flags+0x160/0x160 [ 314.576926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.582471] ? check_preemption_disabled+0x48/0x280 [ 314.587507] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 314.593051] ? rcu_pm_notify+0xc0/0xc0 [ 314.596953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.602500] ? check_preemption_disabled+0x48/0x280 [ 314.607533] run_timer_softirq+0x52/0xb0 [ 314.611599] ? rcu_read_lock_sched_held+0x14f/0x180 [ 314.616627] __do_softirq+0x308/0xb7e [ 314.620437] ? retint_kernel+0x2d/0x2d [ 314.624339] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 314.629449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.634933] ? finish_task_switch+0x2f4/0x910 [ 314.639441] ? schedule+0x108/0x460 [ 314.643087] ? trace_hardirqs_off+0xb8/0x310 [ 314.647505] ? smpboot_thread_fn+0x68b/0xa00 [ 314.651927] ? trace_hardirqs_on+0x310/0x310 [ 314.656347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.661912] ? check_preemption_disabled+0x48/0x280 [ 314.666942] ? takeover_tasklets+0xa90/0xa90 [ 314.671358] run_ksoftirqd+0x5e/0x100 [ 314.675164] smpboot_thread_fn+0x68b/0xa00 [ 314.679411] ? sort_range+0x30/0x30 [ 314.683051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.688164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.693710] ? __kthread_parkme+0xfb/0x1a0 [ 314.697958] ? sort_range+0x30/0x30 [ 314.701590] kthread+0x35a/0x440 [ 314.704967] ? kthread_stop+0x900/0x900 [ 314.708955] ret_from_fork+0x3a/0x50 [ 314.712697] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 314.712766] aoe: skb alloc failure [ 314.720063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.720069] Call Trace: [ 314.720076] [ 314.720093] dump_stack+0x244/0x39d [ 314.720112] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.723683] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.733002] warn_alloc.cold.116+0xb7/0x1bd [ 314.735735] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 314.737907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.770819] ? lock_downgrade+0x900/0x900 [ 314.774985] ? trace_hardirqs_off+0xb8/0x310 [ 314.779412] ? trace_hardirqs_off+0xb8/0x310 [ 314.783836] __alloc_pages_slowpath+0x2651/0x2de0 [ 314.788727] ? warn_alloc+0x120/0x120 [ 314.792537] ? print_usage_bug+0xc0/0xc0 [ 314.796603] ? warn_alloc+0x120/0x120 [ 314.800427] ? warn_alloc+0x120/0x120 [ 314.804235] ? print_usage_bug+0xc0/0xc0 [ 314.808308] ? print_usage_bug+0xc0/0xc0 [ 314.812396] ? __lock_acquire+0x62f/0x4c20 [ 314.816646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.822194] ? should_fail+0x22d/0xd01 [ 314.826095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.831206] ? __lock_acquire+0x62f/0x4c20 [ 314.835453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.840564] ? __lock_acquire+0x62f/0x4c20 [ 314.844808] ? should_fail+0x22d/0xd01 [ 314.848705] ? find_held_lock+0x36/0x1c0 [ 314.852784] ? mark_held_locks+0x130/0x130 [ 314.857030] ? mark_held_locks+0x130/0x130 [ 314.861274] ? zap_class+0x640/0x640 [ 314.865001] ? zap_class+0x640/0x640 [ 314.868724] ? print_usage_bug+0xc0/0xc0 [ 314.872791] ? do_raw_spin_unlock+0xa7/0x330 [ 314.877207] ? zap_class+0x640/0x640 [ 314.880932] ? print_usage_bug+0xc0/0xc0 [ 314.885004] ? wq_watchdog_touch+0x9c/0xfe [ 314.889252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.894799] ? check_preemption_disabled+0x48/0x280 [ 314.899837] ? __lock_is_held+0xb5/0x140 [ 314.903934] __alloc_pages_nodemask+0xad8/0xea0 [ 314.908609] ? zap_class+0x640/0x640 [ 314.912334] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 314.917369] ? find_held_lock+0x36/0x1c0 [ 314.921453] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.926146] ? lock_downgrade+0x900/0x900 [ 314.930314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.935883] cache_grow_begin+0xa5/0x8c0 [ 314.939954] ? do_raw_spin_unlock+0xa7/0x330 [ 314.944377] fallback_alloc+0x204/0x2e0 [ 314.948376] ____cache_alloc_node+0x1c7/0x1e0 [ 314.952901] kmem_cache_alloc_node+0xe3/0x730 [ 314.957473] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.961728] __alloc_skb+0x119/0x770 [ 314.965454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.970743] ? netdev_alloc_frag+0x1f0/0x1f0 [ 314.975162] ? lock_downgrade+0x900/0x900 [ 314.979326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.984887] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.990350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.995810] ? addrconf_rs_timer+0x690/0x690 [ 315.000243] ndisc_alloc_skb+0x144/0x340 [ 315.004317] ndisc_send_rs+0x331/0x6e0 [ 315.008217] addrconf_rs_timer+0x314/0x690 [ 315.012468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.016722] call_timer_fn+0x272/0x920 [ 315.020616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.024857] ? process_timeout+0x40/0x40 [ 315.028957] ? __run_timers+0x7da/0xc70 [ 315.032947] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.037452] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.041953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.046196] ? lockdep_hardirqs_on+0x296/0x5b0 [ 315.050788] ? trace_hardirqs_on+0xbd/0x310 [ 315.055122] ? kasan_check_read+0x11/0x20 [ 315.059276] ? __run_timers+0x7da/0xc70 [ 315.063259] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.068372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.072624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.076862] __run_timers+0x7e5/0xc70 [ 315.080701] ? timer_fixup_init+0x70/0x70 [ 315.084855] ? kasan_check_read+0x11/0x20 [ 315.089457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.094745] ? rcu_softirq_qs+0x20/0x20 [ 315.098734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.104282] ? check_preemption_disabled+0x48/0x280 [ 315.109312] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.114082] ? retint_kernel+0x2d/0x2d [ 315.117983] ? trace_hardirqs_on_caller+0xc0/0x310 [ 315.122924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.127692] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.133157] ? zap_class+0x640/0x640 [ 315.136899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.142450] ? check_preemption_disabled+0x48/0x280 [ 315.147487] ? __lock_is_held+0xb5/0x140 [ 315.151561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.157105] ? check_preemption_disabled+0x48/0x280 [ 315.162137] run_timer_softirq+0x52/0xb0 [ 315.166206] ? rcu_read_lock_sched_held+0x14f/0x180 [ 315.171229] __do_softirq+0x308/0xb7e [ 315.175040] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 315.179548] ? lock_downgrade+0x900/0x900 [ 315.183709] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 315.188826] ? pvclock_read_flags+0x160/0x160 [ 315.193333] ? lapic_next_event+0x5a/0x90 [ 315.197489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.203042] ? kvm_clock_read+0x18/0x30 [ 315.207024] ? kvm_sched_clock_read+0x9/0x20 [ 315.211445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.216996] ? check_preemption_disabled+0x48/0x280 [ 315.222035] irq_exit+0x17f/0x1c0 [ 315.225502] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.230353] ? smp_call_function_single_interrupt+0x159/0x650 [ 315.236252] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.242150] ? interrupt_entry+0xb5/0xc0 [ 315.246227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.251252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.256279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.261134] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.266158] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.271183] ? task_prio+0x50/0x50 [ 315.274733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.280282] ? check_preemption_disabled+0x48/0x280 [ 315.285313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.290176] apic_timer_interrupt+0xf/0x20 [ 315.294413] [ 315.296660] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 315.302556] 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 [ 315.321461] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 315.329177] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 315.336449] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 315.343724] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 315.350997] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 315.358270] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 315.365571] ? save_stack+0xa9/0xd0 [ 315.369221] __kmalloc_node_track_caller+0x3c/0x70 [ 315.374167] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 315.378942] pskb_expand_head+0x230/0x10f0 [ 315.383193] ? memcpy+0x45/0x50 [ 315.386484] ? __copy_skb_header+0x350/0x6b0 [ 315.390910] ? skb_release_data+0x880/0x880 [ 315.395245] ? __alloc_skb+0x770/0x770 [ 315.399154] ? __lock_is_held+0xb5/0x140 [ 315.403229] ? kasan_check_write+0x14/0x20 [ 315.407472] ? __skb_clone+0x6c7/0xa00 [ 315.411375] ? __copy_skb_header+0x6b0/0x6b0 [ 315.415794] ? kmem_cache_alloc+0x33a/0x730 [ 315.420129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.425684] skb_ensure_writable+0x3dd/0x640 [ 315.430105] ? skb_checksum_setup+0xaa0/0xaa0 [ 315.434611] ? preempt_notifier_register+0x200/0x200 [ 315.439722] ? __switch_to_asm+0x34/0x70 [ 315.443795] ? __switch_to_asm+0x34/0x70 [ 315.447859] ? __switch_to_asm+0x40/0x70 [ 315.451944] ? __switch_to_asm+0x34/0x70 [ 315.456014] ? __switch_to_asm+0x40/0x70 [ 315.460081] ? __switch_to_asm+0x40/0x70 [ 315.464145] ? __switch_to_asm+0x34/0x70 [ 315.468211] ? __switch_to_asm+0x34/0x70 [ 315.472277] ? __switch_to_asm+0x40/0x70 [ 315.476346] ? __switch_to_asm+0x34/0x70 [ 315.480421] bpf_clone_redirect+0x14a/0x490 [ 315.484757] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 315.489702] ? __sched_text_start+0x8/0x8 [ 315.493862] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 315.498470] ? retint_kernel+0x2d/0x2d [ 315.502370] ? trace_hardirqs_on_caller+0xc0/0x310 [ 315.507316] ? find_held_lock+0x36/0x1c0 [ 315.511400] ? lock_acquire+0x1ed/0x520 [ 315.515383] ? bpf_test_run+0x3cb/0x780 [ 315.519371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.524932] ? check_preemption_disabled+0x48/0x280 [ 315.529963] ? kasan_check_read+0x11/0x20 [ 315.534118] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.539407] ? rcu_softirq_qs+0x20/0x20 [ 315.543395] ? preempt_schedule+0x4d/0x60 [ 315.547551] ? ___preempt_schedule+0x16/0x18 [ 315.551974] ? bpf_test_run+0x25d/0x780 [ 315.555968] ? netlink_diag_dump+0x2a0/0x2a0 [ 315.560398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.565948] ? bpf_test_init.isra.10+0x70/0x100 [ 315.570630] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 315.575412] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 315.580264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.585808] ? fput+0x130/0x1a0 [ 315.589100] ? __bpf_prog_get+0x9b/0x290 [ 315.593171] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 315.598024] ? bpf_prog_test_run+0x130/0x1a0 [ 315.602446] ? __x64_sys_bpf+0x3d8/0x520 [ 315.606512] ? bpf_prog_get+0x20/0x20 [ 315.610340] ? do_syscall_64+0x1b9/0x820 [ 315.614409] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.619781] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.624715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.629566] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.634594] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.639628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.644485] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.649890] warn_alloc_show_mem: 1 callbacks suppressed [ 315.649902] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 315.649904] Mem-Info: [ 315.649934] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 315.649934] active_file:12 inactive_file:11 isolated_file:0 [ 315.649934] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.649934] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 315.649934] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 315.649934] free:13794 free_pcp:515 free_cma:0 [ 315.655281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.662134] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 315.664540] Call Trace: [ 315.697417] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.706775] dump_stack+0x244/0x39d [ 315.734250] lowmem_reserve[]: 0 2818 6321 6321 [ 315.736841] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.762938] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 315.766571] warn_alloc.cold.116+0xb7/0x1bd [ 315.771131] lowmem_reserve[]: 0 0 3503 3503 [ 315.776326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.803634] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 315.807958] ? lock_downgrade+0x900/0x900 [ 315.812262] lowmem_reserve[]: 0 0 0 0 [ 315.817111] ? trace_hardirqs_off+0xb8/0x310 [ 315.846153] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 315.850301] ? trace_hardirqs_off+0xb8/0x310 [ 315.854081] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 315.858492] __alloc_pages_slowpath+0x2651/0x2de0 [ 315.871992] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 315.876425] ? warn_alloc+0x120/0x120 [ 315.891399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.896234] ? warn_alloc+0x120/0x120 [ 315.911223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.915017] ? warn_alloc+0x120/0x120 [ 315.923835] 267 total pagecache pages [ 315.927636] ? warn_alloc+0x120/0x120 [ 315.936196] 0 pages in swap cache [ 315.939995] ? mark_held_locks+0x130/0x130 [ 315.943778] Swap cache stats: add 0, delete 0, find 0/0 [ 315.947573] ? print_usage_bug+0xc0/0xc0 [ 315.951009] Free swap = 0kB [ 315.955243] ? mark_held_locks+0x130/0x130 [ 315.960588] Total swap = 0kB [ 315.964655] ? print_usage_bug+0xc0/0xc0 [ 315.967659] 1965979 pages RAM [ 315.971911] ? zap_class+0x640/0x640 [ 315.974930] 0 pages HighMem/MovableOnly [ 315.978990] ? put_dec+0x3b/0xf0 [ 315.982075] 342854 pages reserved [ 315.985788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.989746] 0 pages cma reserved [ 315.993161] ? should_fail+0x22d/0xd01 [ 315.996652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.002134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.005536] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.009389] ? __lock_acquire+0x62f/0x4c20 [ 316.015882] syz-executor0 cpuset=syz0 mems_allowed=0 [ 316.020989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.045899] ? __lock_acquire+0x62f/0x4c20 [ 316.050142] ? should_fail+0x22d/0xd01 [ 316.054051] ? mark_held_locks+0x130/0x130 [ 316.058297] ? mark_held_locks+0x130/0x130 [ 316.062544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.068178] ? wq_watchdog_touch+0x9c/0xfe [ 316.072423] ? zap_class+0x640/0x640 [ 316.076149] ? print_usage_bug+0xc0/0xc0 [ 316.080218] ? find_held_lock+0x36/0x1c0 [ 316.084289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.089836] ? check_preemption_disabled+0x48/0x280 [ 316.094905] ? __lock_is_held+0xb5/0x140 [ 316.098984] __alloc_pages_nodemask+0xad8/0xea0 [ 316.103663] ? zap_class+0x640/0x640 [ 316.107393] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 316.112433] ? find_held_lock+0x36/0x1c0 [ 316.116514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.121191] ? lock_downgrade+0x900/0x900 [ 316.125355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.130924] cache_grow_begin+0xa5/0x8c0 [ 316.134993] ? do_raw_spin_unlock+0xa7/0x330 [ 316.139418] fallback_alloc+0x204/0x2e0 [ 316.143411] ____cache_alloc_node+0x1c7/0x1e0 [ 316.147940] kmem_cache_alloc_node+0xe3/0x730 [ 316.152443] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.156699] __alloc_skb+0x119/0x770 [ 316.160419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.165706] ? netdev_alloc_frag+0x1f0/0x1f0 [ 316.170125] ? lock_downgrade+0x900/0x900 [ 316.174286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.179828] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.185291] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.190749] ? addrconf_rs_timer+0x690/0x690 [ 316.195177] ndisc_alloc_skb+0x144/0x340 [ 316.199250] ndisc_send_rs+0x331/0x6e0 [ 316.203155] addrconf_rs_timer+0x314/0x690 [ 316.207401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.211656] call_timer_fn+0x272/0x920 [ 316.215550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.219794] ? process_timeout+0x40/0x40 [ 316.223885] ? __run_timers+0x7da/0xc70 [ 316.227898] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.232403] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.236925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.241166] ? lockdep_hardirqs_on+0x296/0x5b0 [ 316.245762] ? trace_hardirqs_on+0xbd/0x310 [ 316.250096] ? kasan_check_read+0x11/0x20 [ 316.254249] ? __run_timers+0x7da/0xc70 [ 316.258231] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.263346] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 316.268202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.272440] __run_timers+0x7e5/0xc70 [ 316.276260] ? timer_fixup_init+0x70/0x70 [ 316.280429] ? find_held_lock+0x36/0x1c0 [ 316.284507] ? __schedule+0x168a/0x21d0 [ 316.288494] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.293005] ? pvclock_read_flags+0x160/0x160 [ 316.297517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.303062] ? check_preemption_disabled+0x48/0x280 [ 316.308102] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 316.313648] ? rcu_pm_notify+0xc0/0xc0 [ 316.317546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.323093] ? check_preemption_disabled+0x48/0x280 [ 316.328120] run_timer_softirq+0x52/0xb0 [ 316.332190] ? rcu_read_lock_sched_held+0x14f/0x180 [ 316.337218] __do_softirq+0x308/0xb7e [ 316.341032] ? retint_kernel+0x2d/0x2d [ 316.344932] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 316.350041] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.355498] ? finish_task_switch+0x2f4/0x910 [ 316.360010] ? schedule+0x108/0x460 [ 316.363658] ? trace_hardirqs_off+0xb8/0x310 [ 316.368073] ? smpboot_thread_fn+0x68b/0xa00 [ 316.372488] ? trace_hardirqs_on+0x310/0x310 [ 316.376916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.382461] ? check_preemption_disabled+0x48/0x280 [ 316.387490] ? takeover_tasklets+0xa90/0xa90 [ 316.391926] run_ksoftirqd+0x5e/0x100 [ 316.395739] smpboot_thread_fn+0x68b/0xa00 [ 316.399985] ? sort_range+0x30/0x30 [ 316.403618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.408727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.414271] ? __kthread_parkme+0xfb/0x1a0 [ 316.418515] ? sort_range+0x30/0x30 [ 316.422151] kthread+0x35a/0x440 [ 316.425527] ? kthread_stop+0x900/0x900 [ 316.429510] ret_from_fork+0x3a/0x50 [ 316.433254] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 316.433328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.440623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.440628] Call Trace: [ 316.440635] [ 316.440652] dump_stack+0x244/0x39d [ 316.440671] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.447242] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.456522] warn_alloc.cold.116+0xb7/0x1bd [ 316.459083] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 316.461232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.494165] ? lock_downgrade+0x900/0x900 [ 316.498330] ? trace_hardirqs_off+0xb8/0x310 [ 316.502754] ? trace_hardirqs_off+0xb8/0x310 [ 316.507181] __alloc_pages_slowpath+0x2651/0x2de0 [ 316.512064] ? warn_alloc+0x120/0x120 [ 316.515889] ? print_usage_bug+0xc0/0xc0 [ 316.519962] ? warn_alloc+0x120/0x120 [ 316.523776] ? warn_alloc+0x120/0x120 [ 316.527587] ? print_usage_bug+0xc0/0xc0 [ 316.531660] ? print_usage_bug+0xc0/0xc0 [ 316.535735] ? __lock_acquire+0x62f/0x4c20 [ 316.539983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.545531] ? should_fail+0x22d/0xd01 [ 316.549432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.554547] ? __lock_acquire+0x62f/0x4c20 [ 316.558797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.563922] ? __lock_acquire+0x62f/0x4c20 [ 316.568164] ? should_fail+0x22d/0xd01 [ 316.572061] ? find_held_lock+0x36/0x1c0 [ 316.576138] ? mark_held_locks+0x130/0x130 [ 316.580386] ? mark_held_locks+0x130/0x130 [ 316.584636] ? zap_class+0x640/0x640 [ 316.588361] ? zap_class+0x640/0x640 [ 316.592093] ? print_usage_bug+0xc0/0xc0 [ 316.596163] ? do_raw_spin_unlock+0xa7/0x330 [ 316.600582] ? zap_class+0x640/0x640 [ 316.604304] ? print_usage_bug+0xc0/0xc0 [ 316.608374] ? wq_watchdog_touch+0x9c/0xfe [ 316.612623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.618167] ? check_preemption_disabled+0x48/0x280 [ 316.623199] ? __lock_is_held+0xb5/0x140 [ 316.627279] __alloc_pages_nodemask+0xad8/0xea0 [ 316.631957] ? zap_class+0x640/0x640 [ 316.635687] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 316.640722] ? find_held_lock+0x36/0x1c0 [ 316.644804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.649488] ? lock_downgrade+0x900/0x900 [ 316.653662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.659210] cache_grow_begin+0xa5/0x8c0 [ 316.663282] ? do_raw_spin_unlock+0xa7/0x330 [ 316.667710] fallback_alloc+0x204/0x2e0 [ 316.671702] ____cache_alloc_node+0x1c7/0x1e0 [ 316.676214] kmem_cache_alloc_node+0xe3/0x730 [ 316.680719] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.684972] __alloc_skb+0x119/0x770 [ 316.688696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.693985] ? netdev_alloc_frag+0x1f0/0x1f0 [ 316.698407] ? lock_downgrade+0x900/0x900 [ 316.702570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.708117] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.713578] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.719037] ? addrconf_rs_timer+0x690/0x690 [ 316.723471] ndisc_alloc_skb+0x144/0x340 [ 316.727546] ndisc_send_rs+0x331/0x6e0 [ 316.731446] addrconf_rs_timer+0x314/0x690 [ 316.735693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.739951] call_timer_fn+0x272/0x920 [ 316.743845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.748103] ? process_timeout+0x40/0x40 [ 316.752183] ? __run_timers+0x7da/0xc70 [ 316.756168] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.760673] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.765173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.769419] ? lockdep_hardirqs_on+0x296/0x5b0 [ 316.774014] ? trace_hardirqs_on+0xbd/0x310 [ 316.778344] ? kasan_check_read+0x11/0x20 [ 316.782498] ? __run_timers+0x7da/0xc70 [ 316.786484] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.791603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.795849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.800108] __run_timers+0x7e5/0xc70 [ 316.803930] ? timer_fixup_init+0x70/0x70 [ 316.808088] ? kasan_check_read+0x11/0x20 [ 316.812242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.817525] ? rcu_softirq_qs+0x20/0x20 [ 316.821510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.827062] ? check_preemption_disabled+0x48/0x280 [ 316.832093] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.836863] ? retint_kernel+0x2d/0x2d [ 316.840777] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.845716] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.850486] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.855947] ? zap_class+0x640/0x640 [ 316.859675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.865226] ? check_preemption_disabled+0x48/0x280 [ 316.870258] ? __lock_is_held+0xb5/0x140 [ 316.874326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.879889] ? check_preemption_disabled+0x48/0x280 [ 316.884922] run_timer_softirq+0x52/0xb0 [ 316.888994] ? rcu_read_lock_sched_held+0x14f/0x180 [ 316.894017] __do_softirq+0x308/0xb7e [ 316.897829] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 316.902322] ? lock_downgrade+0x900/0x900 [ 316.906476] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 316.911605] ? pvclock_read_flags+0x160/0x160 [ 316.916105] ? lapic_next_event+0x5a/0x90 [ 316.920257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.925798] ? kvm_clock_read+0x18/0x30 [ 316.929774] ? kvm_sched_clock_read+0x9/0x20 [ 316.934188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.939731] ? check_preemption_disabled+0x48/0x280 [ 316.944756] irq_exit+0x17f/0x1c0 [ 316.948214] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.953061] ? smp_call_function_single_interrupt+0x159/0x650 [ 316.958945] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.964842] ? interrupt_entry+0xb5/0xc0 [ 316.968913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.973930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.978951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.983794] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.988812] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.993830] ? task_prio+0x50/0x50 [ 316.997370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.002915] ? check_preemption_disabled+0x48/0x280 [ 317.007938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.012793] apic_timer_interrupt+0xf/0x20 [ 317.017022] [ 317.019270] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 317.025155] 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 [ 317.044058] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 317.051762] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 317.059029] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 317.066298] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 317.073575] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 317.080839] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 317.088147] ? save_stack+0xa9/0xd0 [ 317.092247] __kmalloc_node_track_caller+0x3c/0x70 [ 317.097186] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 317.101952] pskb_expand_head+0x230/0x10f0 [ 317.106198] ? memcpy+0x45/0x50 [ 317.109482] ? __copy_skb_header+0x350/0x6b0 [ 317.113902] ? skb_release_data+0x880/0x880 [ 317.118229] ? __alloc_skb+0x770/0x770 [ 317.122129] ? __lock_is_held+0xb5/0x140 [ 317.126199] ? kasan_check_write+0x14/0x20 [ 317.130434] ? __skb_clone+0x6c7/0xa00 [ 317.134326] ? __copy_skb_header+0x6b0/0x6b0 [ 317.138733] ? kmem_cache_alloc+0x33a/0x730 [ 317.143056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.148600] skb_ensure_writable+0x3dd/0x640 [ 317.153015] ? skb_checksum_setup+0xaa0/0xaa0 [ 317.157533] ? preempt_notifier_register+0x200/0x200 [ 317.162633] ? __switch_to_asm+0x34/0x70 [ 317.166694] ? __switch_to_asm+0x34/0x70 [ 317.170771] ? __switch_to_asm+0x40/0x70 [ 317.174830] ? __switch_to_asm+0x34/0x70 [ 317.178917] ? __switch_to_asm+0x40/0x70 [ 317.182976] ? __switch_to_asm+0x40/0x70 [ 317.187038] ? __switch_to_asm+0x34/0x70 [ 317.191098] ? __switch_to_asm+0x34/0x70 [ 317.195157] ? __switch_to_asm+0x40/0x70 [ 317.199220] ? __switch_to_asm+0x34/0x70 [ 317.203287] bpf_clone_redirect+0x14a/0x490 [ 317.207620] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 317.212552] ? __sched_text_start+0x8/0x8 [ 317.216704] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.221303] ? retint_kernel+0x2d/0x2d [ 317.225208] ? trace_hardirqs_on_caller+0xc0/0x310 [ 317.230141] ? find_held_lock+0x36/0x1c0 [ 317.234211] ? lock_acquire+0x1ed/0x520 [ 317.238185] ? bpf_test_run+0x3cb/0x780 [ 317.242158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.247700] ? check_preemption_disabled+0x48/0x280 [ 317.252719] ? kasan_check_read+0x11/0x20 [ 317.256878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.262158] ? rcu_softirq_qs+0x20/0x20 [ 317.266133] ? preempt_schedule+0x4d/0x60 [ 317.270293] ? ___preempt_schedule+0x16/0x18 [ 317.274712] ? bpf_test_run+0x25d/0x780 [ 317.278699] ? netlink_diag_dump+0x2a0/0x2a0 [ 317.283112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.288666] ? bpf_test_init.isra.10+0x70/0x100 [ 317.293362] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 317.298160] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.303000] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.308535] ? fput+0x130/0x1a0 [ 317.311820] ? __bpf_prog_get+0x9b/0x290 [ 317.315892] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.320742] ? bpf_prog_test_run+0x130/0x1a0 [ 317.325154] ? __x64_sys_bpf+0x3d8/0x520 [ 317.329233] ? bpf_prog_get+0x20/0x20 [ 317.333050] ? do_syscall_64+0x1b9/0x820 [ 317.337115] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 317.342483] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.347417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.352262] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.357295] ? prepare_exit_to_usermode+0x291/0x3b0 [ 317.362327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.367175] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.372556] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 317.372561] warn_alloc_show_mem: 1 callbacks suppressed [ 317.372583] Mem-Info: [ 317.379419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.384784] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 317.384784] active_file:12 inactive_file:11 isolated_file:0 [ 317.384784] unevictable:0 dirty:0 writeback:0 unstable:0 [ 317.384784] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 317.384784] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 317.384784] free:13794 free_pcp:515 free_cma:0 [ 317.387157] Call Trace: [ 317.396546] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 317.429410] dump_stack+0x244/0x39d [ 317.431976] 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 [ 317.459480] ? dump_stack_print_info.cold.1+0x20/0x20 [ 317.463078] lowmem_reserve[]: 0 2818 6321 6321 [ 317.489200] warn_alloc.cold.116+0xb7/0x1bd [ 317.494356] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 317.498926] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 317.503230] lowmem_reserve[]: 0 0 3503 3503 [ 317.530575] ? lock_downgrade+0x900/0x900 [ 317.535394] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 317.539705] ? trace_hardirqs_off+0xb8/0x310 [ 317.543819] lowmem_reserve[]: 0 0 0 0 [ 317.572892] ? trace_hardirqs_off+0xb8/0x310 [ 317.577273] 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 [ 317.581088] __alloc_pages_slowpath+0x2651/0x2de0 [ 317.585469] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 317.599008] ? warn_alloc+0x120/0x120 [ 317.603800] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 317.618791] ? print_usage_bug+0xc0/0xc0 [ 317.622570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.637556] ? warn_alloc+0x120/0x120 [ 317.641598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.650420] ? warn_alloc+0x120/0x120 [ 317.654196] 267 total pagecache pages [ 317.662777] ? print_usage_bug+0xc0/0xc0 [ 317.666554] 0 pages in swap cache [ 317.670343] ? print_usage_bug+0xc0/0xc0 [ 317.674383] Swap cache stats: add 0, delete 0, find 0/0 [ 317.677826] ? __lock_acquire+0x62f/0x4c20 [ 317.681862] Free swap = 0kB [ 317.687226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.691436] Total swap = 0kB [ 317.694451] ? should_fail+0x22d/0xd01 [ 317.699957] 1965979 pages RAM [ 317.702970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.706834] 0 pages HighMem/MovableOnly [ 317.709969] ? __lock_acquire+0x62f/0x4c20 [ 317.715046] 342854 pages reserved [ 317.719008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.723217] 0 pages cma reserved [ 317.726659] ? __lock_acquire+0x62f/0x4c20 [ 317.731805] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.735081] ? should_fail+0x22d/0xd01 [ 317.735096] ? find_held_lock+0x36/0x1c0 [ 317.739397] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.745829] ? mark_held_locks+0x130/0x130 [ 317.749686] syz-executor0 cpuset=syz0 mems_allowed=0 [ 317.753736] ? mark_held_locks+0x130/0x130 [ 317.777755] ? zap_class+0x640/0x640 [ 317.781470] ? mark_held_locks+0xc7/0x130 [ 317.785617] ? do_raw_spin_unlock+0xa7/0x330 [ 317.790026] ? zap_class+0x640/0x640 [ 317.793755] ? print_usage_bug+0xc0/0xc0 [ 317.797817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.803372] ? check_preemption_disabled+0x48/0x280 [ 317.808400] ? __lock_is_held+0xb5/0x140 [ 317.812466] __alloc_pages_nodemask+0xad8/0xea0 [ 317.817153] ? zap_class+0x640/0x640 [ 317.820877] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 317.825918] ? find_held_lock+0x36/0x1c0 [ 317.829990] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.834692] ? lock_downgrade+0x900/0x900 [ 317.838848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.844425] cache_grow_begin+0xa5/0x8c0 [ 317.848483] ? do_raw_spin_unlock+0xa7/0x330 [ 317.852910] fallback_alloc+0x204/0x2e0 [ 317.856922] ____cache_alloc_node+0x1c7/0x1e0 [ 317.861424] kmem_cache_alloc_node+0xe3/0x730 [ 317.865926] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.870177] __alloc_skb+0x119/0x770 [ 317.873900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.879180] ? netdev_alloc_frag+0x1f0/0x1f0 [ 317.883587] ? lock_downgrade+0x900/0x900 [ 317.887741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.893280] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.898733] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.904194] ? addrconf_rs_timer+0x690/0x690 [ 317.908615] ndisc_alloc_skb+0x144/0x340 [ 317.912687] ndisc_send_rs+0x331/0x6e0 [ 317.916585] addrconf_rs_timer+0x314/0x690 [ 317.920834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.925089] call_timer_fn+0x272/0x920 [ 317.928978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.933214] ? process_timeout+0x40/0x40 [ 317.937282] ? __run_timers+0x7da/0xc70 [ 317.941260] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.945753] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.950249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.954488] ? lockdep_hardirqs_on+0x296/0x5b0 [ 317.959506] ? trace_hardirqs_on+0xbd/0x310 [ 317.963834] ? kasan_check_read+0x11/0x20 [ 317.967989] ? __run_timers+0x7da/0xc70 [ 317.971964] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.977071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.981309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.985544] __run_timers+0x7e5/0xc70 [ 317.989369] ? timer_fixup_init+0x70/0x70 [ 317.993576] ? find_held_lock+0x36/0x1c0 [ 317.997645] ? __schedule+0x168a/0x21d0 [ 318.001623] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.006129] ? pvclock_read_flags+0x160/0x160 [ 318.010626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.016167] ? check_preemption_disabled+0x48/0x280 [ 318.021194] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 318.026745] ? rcu_pm_notify+0xc0/0xc0 [ 318.030667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.036210] ? check_preemption_disabled+0x48/0x280 [ 318.041233] run_timer_softirq+0x52/0xb0 [ 318.045293] ? rcu_read_lock_sched_held+0x14f/0x180 [ 318.050310] __do_softirq+0x308/0xb7e [ 318.054130] ? retint_kernel+0x2d/0x2d [ 318.058022] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 318.064016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.069473] ? finish_task_switch+0x2f4/0x910 [ 318.073979] ? schedule+0x108/0x460 [ 318.077618] ? trace_hardirqs_off+0xb8/0x310 [ 318.082027] ? smpboot_thread_fn+0x68b/0xa00 [ 318.086436] ? trace_hardirqs_on+0x310/0x310 [ 318.090849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.096411] ? check_preemption_disabled+0x48/0x280 [ 318.101430] ? takeover_tasklets+0xa90/0xa90 [ 318.105849] run_ksoftirqd+0x5e/0x100 [ 318.109675] smpboot_thread_fn+0x68b/0xa00 [ 318.113917] ? sort_range+0x30/0x30 [ 318.117542] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.122640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.128176] ? __kthread_parkme+0xfb/0x1a0 [ 318.132417] ? sort_range+0x30/0x30 [ 318.136046] kthread+0x35a/0x440 [ 318.139414] ? kthread_stop+0x900/0x900 [ 318.143393] ret_from_fork+0x3a/0x50 [ 318.147125] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 318.147246] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.154528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.154537] Call Trace: [ 318.161142] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.170395] [ 318.172961] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 318.183269] dump_stack+0x244/0x39d [ 318.193688] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.198899] warn_alloc.cold.116+0xb7/0x1bd [ 318.203264] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.208142] ? lock_downgrade+0x900/0x900 [ 318.212348] ? trace_hardirqs_off+0xb8/0x310 [ 318.216761] ? trace_hardirqs_off+0xb8/0x310 [ 318.221180] __alloc_pages_slowpath+0x2651/0x2de0 [ 318.226069] ? warn_alloc+0x120/0x120 [ 318.229878] ? print_usage_bug+0xc0/0xc0 [ 318.233953] ? warn_alloc+0x120/0x120 [ 318.237759] ? warn_alloc+0x120/0x120 [ 318.241562] ? print_usage_bug+0xc0/0xc0 [ 318.245626] ? kvm_clock_read+0x18/0x30 [ 318.249618] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 318.254636] ? print_usage_bug+0xc0/0xc0 [ 318.258695] ? __lock_acquire+0x62f/0x4c20 [ 318.262934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.268486] ? should_fail+0x22d/0xd01 [ 318.272412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.277708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.282828] ? __lock_acquire+0x62f/0x4c20 [ 318.287071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.292178] ? __lock_acquire+0x62f/0x4c20 [ 318.296412] ? should_fail+0x22d/0xd01 [ 318.300311] ? rcu_irq_exit+0x1a2/0x390 [ 318.304307] ? mark_held_locks+0x130/0x130 [ 318.308545] ? mark_held_locks+0x130/0x130 [ 318.312785] ? mark_held_locks+0xc7/0x130 [ 318.316933] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 318.321958] ? zap_class+0x640/0x640 [ 318.325672] ? print_usage_bug+0xc0/0xc0 [ 318.329742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.335284] ? check_preemption_disabled+0x48/0x280 [ 318.340315] ? __lock_is_held+0xb5/0x140 [ 318.344385] __alloc_pages_nodemask+0xad8/0xea0 [ 318.349065] ? zap_class+0x640/0x640 [ 318.352786] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 318.357820] ? find_held_lock+0x36/0x1c0 [ 318.361901] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.366574] ? lock_downgrade+0x900/0x900 [ 318.370729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.376301] cache_grow_begin+0xa5/0x8c0 [ 318.380379] ? do_raw_spin_unlock+0xa7/0x330 [ 318.384803] fallback_alloc+0x204/0x2e0 [ 318.388788] ____cache_alloc_node+0x1c7/0x1e0 [ 318.393293] kmem_cache_alloc_node+0xe3/0x730 [ 318.397789] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.402052] __alloc_skb+0x119/0x770 [ 318.405767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.411063] ? netdev_alloc_frag+0x1f0/0x1f0 [ 318.415472] ? lock_downgrade+0x900/0x900 [ 318.419628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.425163] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.430629] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.436084] ? addrconf_rs_timer+0x690/0x690 [ 318.440514] ndisc_alloc_skb+0x144/0x340 [ 318.444592] ndisc_send_rs+0x331/0x6e0 [ 318.448486] addrconf_rs_timer+0x314/0x690 [ 318.452756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.456999] call_timer_fn+0x272/0x920 [ 318.460891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.465129] ? process_timeout+0x40/0x40 [ 318.469200] ? __run_timers+0x7da/0xc70 [ 318.473178] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.477673] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.482171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.486423] ? lockdep_hardirqs_on+0x296/0x5b0 [ 318.491009] ? trace_hardirqs_on+0xbd/0x310 [ 318.495330] ? kasan_check_read+0x11/0x20 [ 318.499474] ? __run_timers+0x7da/0xc70 [ 318.503463] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.508571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.512824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.517065] __run_timers+0x7e5/0xc70 [ 318.520877] ? timer_fixup_init+0x70/0x70 [ 318.525024] ? kasan_check_read+0x11/0x20 [ 318.529174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.534449] ? rcu_softirq_qs+0x20/0x20 [ 318.538429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.543965] ? check_preemption_disabled+0x48/0x280 [ 318.549005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.553774] ? retint_kernel+0x2d/0x2d [ 318.557672] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.562602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.567369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.572825] ? zap_class+0x640/0x640 [ 318.576543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.582081] ? check_preemption_disabled+0x48/0x280 [ 318.587108] ? __lock_is_held+0xb5/0x140 [ 318.591170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.596723] ? check_preemption_disabled+0x48/0x280 [ 318.601742] run_timer_softirq+0x52/0xb0 [ 318.605819] ? rcu_read_lock_sched_held+0x14f/0x180 [ 318.610837] __do_softirq+0x308/0xb7e [ 318.614675] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 318.619167] ? lock_downgrade+0x900/0x900 [ 318.623362] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 318.628497] ? pvclock_read_flags+0x160/0x160 [ 318.632991] ? lapic_next_event+0x5a/0x90 [ 318.637143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.642688] ? kvm_clock_read+0x18/0x30 [ 318.646661] ? kvm_sched_clock_read+0x9/0x20 [ 318.651087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.656624] ? check_preemption_disabled+0x48/0x280 [ 318.661648] irq_exit+0x17f/0x1c0 [ 318.665103] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.669944] ? smp_call_function_single_interrupt+0x159/0x650 [ 318.675831] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.681730] ? interrupt_entry+0xb5/0xc0 [ 318.685805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.690815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.695834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.700682] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.705699] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.710728] ? task_prio+0x50/0x50 [ 318.714270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.719805] ? check_preemption_disabled+0x48/0x280 [ 318.724832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.729676] apic_timer_interrupt+0xf/0x20 [ 318.733915] [ 318.736164] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 318.742047] 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 [ 318.760941] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.768645] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.775946] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 318.783212] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 318.790478] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 318.797756] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 318.805044] ? save_stack+0xa9/0xd0 [ 318.808679] __kmalloc_node_track_caller+0x3c/0x70 [ 318.813614] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 318.818372] pskb_expand_head+0x230/0x10f0 [ 318.822614] ? memcpy+0x45/0x50 [ 318.825912] ? __copy_skb_header+0x350/0x6b0 [ 318.830353] ? skb_release_data+0x880/0x880 [ 318.834673] ? __alloc_skb+0x770/0x770 [ 318.838572] ? __lock_is_held+0xb5/0x140 [ 318.842639] ? kasan_check_write+0x14/0x20 [ 318.846877] ? __skb_clone+0x6c7/0xa00 [ 318.850786] ? __copy_skb_header+0x6b0/0x6b0 [ 318.855194] ? kmem_cache_alloc+0x33a/0x730 [ 318.859522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.865065] skb_ensure_writable+0x3dd/0x640 [ 318.869475] ? skb_checksum_setup+0xaa0/0xaa0 [ 318.873974] ? preempt_notifier_register+0x200/0x200 [ 318.879075] ? __switch_to_asm+0x34/0x70 [ 318.883138] ? __switch_to_asm+0x34/0x70 [ 318.887196] ? __switch_to_asm+0x40/0x70 [ 318.891254] ? __switch_to_asm+0x34/0x70 [ 318.895316] ? __switch_to_asm+0x40/0x70 [ 318.899372] ? __switch_to_asm+0x40/0x70 [ 318.903435] ? __switch_to_asm+0x34/0x70 [ 318.907494] ? __switch_to_asm+0x34/0x70 [ 318.911549] ? __switch_to_asm+0x40/0x70 [ 318.915608] ? __switch_to_asm+0x34/0x70 [ 318.919686] bpf_clone_redirect+0x14a/0x490 [ 318.924029] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 318.928994] ? __sched_text_start+0x8/0x8 [ 318.933149] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 318.937747] ? retint_kernel+0x2d/0x2d [ 318.941661] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.946592] ? find_held_lock+0x36/0x1c0 [ 318.950663] ? lock_acquire+0x1ed/0x520 [ 318.954641] ? bpf_test_run+0x3cb/0x780 [ 318.958621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.964160] ? check_preemption_disabled+0x48/0x280 [ 318.969191] ? kasan_check_read+0x11/0x20 [ 318.973356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.978635] ? rcu_softirq_qs+0x20/0x20 [ 318.982613] ? preempt_schedule+0x4d/0x60 [ 318.986762] ? ___preempt_schedule+0x16/0x18 [ 318.991188] ? bpf_test_run+0x25d/0x780 [ 318.995180] ? netlink_diag_dump+0x2a0/0x2a0 [ 318.999591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.005130] ? bpf_test_init.isra.10+0x70/0x100 [ 319.009807] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 319.014577] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.019419] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.024958] ? fput+0x130/0x1a0 [ 319.028255] ? __bpf_prog_get+0x9b/0x290 [ 319.032318] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.037165] ? bpf_prog_test_run+0x130/0x1a0 [ 319.041576] ? __x64_sys_bpf+0x3d8/0x520 [ 319.045641] ? bpf_prog_get+0x20/0x20 [ 319.049459] ? do_syscall_64+0x1b9/0x820 [ 319.053531] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.058917] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.063850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.068701] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.073720] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.078742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.083595] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.089465] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 319.089485] warn_alloc_show_mem: 1 callbacks suppressed [ 319.089492] Mem-Info: [ 319.096325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.101734] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 319.101734] active_file:12 inactive_file:11 isolated_file:0 [ 319.101734] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.101734] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 319.101734] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 319.101734] free:13794 free_pcp:515 free_cma:0 [ 319.104111] Call Trace: [ 319.113498] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.146363] dump_stack+0x244/0x39d [ 319.148949] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 319.176442] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.180042] lowmem_reserve[]: 0 2818 6321 6321 [ 319.206154] warn_alloc.cold.116+0xb7/0x1bd [ 319.211309] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 319.215887] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.220183] lowmem_reserve[]: 0 0 3503 3503 [ 319.247505] ? lock_downgrade+0x900/0x900 [ 319.252349] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 319.256665] ? trace_hardirqs_off+0xb8/0x310 [ 319.260780] lowmem_reserve[]: 0 0 0 0 [ 319.289833] ? trace_hardirqs_off+0xb8/0x310 [ 319.294216] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 319.298013] __alloc_pages_slowpath+0x2651/0x2de0 [ 319.302395] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 319.315971] ? warn_alloc+0x120/0x120 [ 319.320763] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 319.335758] ? print_usage_bug+0xc0/0xc0 [ 319.339556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.354543] ? warn_alloc+0x120/0x120 [ 319.358587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.367410] ? warn_alloc+0x120/0x120 [ 319.371203] 267 total pagecache pages [ 319.379769] ? print_usage_bug+0xc0/0xc0 [ 319.383551] 0 pages in swap cache [ 319.387336] ? print_usage_bug+0xc0/0xc0 [ 319.391375] Swap cache stats: add 0, delete 0, find 0/0 [ 319.394812] ? __lock_acquire+0x62f/0x4c20 [ 319.398845] Free swap = 0kB [ 319.404208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.408422] Total swap = 0kB [ 319.411436] ? should_fail+0x22d/0xd01 [ 319.416947] 1965979 pages RAM [ 319.419956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.423816] 0 pages HighMem/MovableOnly [ 319.426919] ? __lock_acquire+0x62f/0x4c20 [ 319.432001] 342854 pages reserved [ 319.432009] 0 pages cma reserved [ 319.435981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.440245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.443622] ? __lock_acquire+0x62f/0x4c20 [ 319.443654] ? should_fail+0x22d/0xd01 [ 319.447094] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.452109] ? find_held_lock+0x36/0x1c0 [ 319.458573] syz-executor0 cpuset=syz0 mems_allowed=0 [ 319.462803] ? mark_held_locks+0x130/0x130 [ 319.490488] ? mark_held_locks+0x130/0x130 [ 319.494725] ? zap_class+0x640/0x640 [ 319.498444] ? mark_held_locks+0xc7/0x130 [ 319.502591] ? do_raw_spin_unlock+0xa7/0x330 [ 319.506998] ? zap_class+0x640/0x640 [ 319.510713] ? print_usage_bug+0xc0/0xc0 [ 319.514778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.520313] ? check_preemption_disabled+0x48/0x280 [ 319.525361] ? __lock_is_held+0xb5/0x140 [ 319.529425] __alloc_pages_nodemask+0xad8/0xea0 [ 319.534090] ? zap_class+0x640/0x640 [ 319.537805] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 319.542831] ? find_held_lock+0x36/0x1c0 [ 319.546914] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.551581] ? lock_downgrade+0x900/0x900 [ 319.555735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.561295] cache_grow_begin+0xa5/0x8c0 [ 319.565351] ? do_raw_spin_unlock+0xa7/0x330 [ 319.569784] fallback_alloc+0x204/0x2e0 [ 319.573764] ____cache_alloc_node+0x1c7/0x1e0 [ 319.578265] kmem_cache_alloc_node+0xe3/0x730 [ 319.582762] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.587007] __alloc_skb+0x119/0x770 [ 319.590718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.596001] ? netdev_alloc_frag+0x1f0/0x1f0 [ 319.600408] ? lock_downgrade+0x900/0x900 [ 319.604567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.610102] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.615557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.621005] ? addrconf_rs_timer+0x690/0x690 [ 319.625422] ndisc_alloc_skb+0x144/0x340 [ 319.629507] ndisc_send_rs+0x331/0x6e0 [ 319.633415] addrconf_rs_timer+0x314/0x690 [ 319.637662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.641934] call_timer_fn+0x272/0x920 [ 319.645836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.650078] ? process_timeout+0x40/0x40 [ 319.654147] ? __run_timers+0x7da/0xc70 [ 319.658126] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.662616] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.667109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.671341] ? lockdep_hardirqs_on+0x296/0x5b0 [ 319.675943] ? trace_hardirqs_on+0xbd/0x310 [ 319.680264] ? kasan_check_read+0x11/0x20 [ 319.684441] ? __run_timers+0x7da/0xc70 [ 319.688416] ? trace_hardirqs_off_caller+0x310/0x310 [ 319.693539] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.697775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.702004] __run_timers+0x7e5/0xc70 [ 319.705846] ? timer_fixup_init+0x70/0x70 [ 319.710029] ? find_held_lock+0x36/0x1c0 [ 319.714096] ? __schedule+0x168a/0x21d0 [ 319.718085] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.722588] ? pvclock_read_flags+0x160/0x160 [ 319.727088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.732632] ? check_preemption_disabled+0x48/0x280 [ 319.737659] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 319.743199] ? rcu_pm_notify+0xc0/0xc0 [ 319.747086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.752630] ? check_preemption_disabled+0x48/0x280 [ 319.757650] run_timer_softirq+0x52/0xb0 [ 319.761717] ? rcu_read_lock_sched_held+0x14f/0x180 [ 319.766734] __do_softirq+0x308/0xb7e [ 319.770537] ? retint_kernel+0x2d/0x2d [ 319.774429] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 319.779526] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.784977] ? finish_task_switch+0x2f4/0x910 [ 319.789475] ? schedule+0x108/0x460 [ 319.793133] ? trace_hardirqs_off+0xb8/0x310 [ 319.797539] ? smpboot_thread_fn+0x68b/0xa00 [ 319.801962] ? trace_hardirqs_on+0x310/0x310 [ 319.806374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.811917] ? check_preemption_disabled+0x48/0x280 [ 319.816936] ? takeover_tasklets+0xa90/0xa90 [ 319.821343] run_ksoftirqd+0x5e/0x100 [ 319.825146] smpboot_thread_fn+0x68b/0xa00 [ 319.829397] ? sort_range+0x30/0x30 [ 319.833028] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.838134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.843685] ? __kthread_parkme+0xfb/0x1a0 [ 319.847923] ? sort_range+0x30/0x30 [ 319.851566] kthread+0x35a/0x440 [ 319.854936] ? kthread_stop+0x900/0x900 [ 319.858917] ret_from_fork+0x3a/0x50 [ 319.862649] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 319.862722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.870017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.870023] Call Trace: [ 319.870029] [ 319.870047] dump_stack+0x244/0x39d [ 319.870065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.876620] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.885911] warn_alloc.cold.116+0xb7/0x1bd [ 319.888485] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 319.890625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.923535] ? lock_downgrade+0x900/0x900 [ 319.927691] ? trace_hardirqs_off+0xb8/0x310 [ 319.932107] ? trace_hardirqs_off+0xb8/0x310 [ 319.936525] __alloc_pages_slowpath+0x2651/0x2de0 [ 319.941401] ? warn_alloc+0x120/0x120 [ 319.945207] ? print_usage_bug+0xc0/0xc0 [ 319.949274] ? warn_alloc+0x120/0x120 [ 319.953094] ? warn_alloc+0x120/0x120 [ 319.956901] ? print_usage_bug+0xc0/0xc0 [ 319.960969] ? kvm_clock_read+0x18/0x30 [ 319.964942] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 319.969957] ? print_usage_bug+0xc0/0xc0 [ 319.974049] ? __lock_acquire+0x62f/0x4c20 [ 319.978315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.983880] ? should_fail+0x22d/0xd01 [ 319.987767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.993047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.998158] ? __lock_acquire+0x62f/0x4c20 [ 320.002422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.007539] ? __lock_acquire+0x62f/0x4c20 [ 320.011791] ? should_fail+0x22d/0xd01 [ 320.015678] ? rcu_irq_exit+0x1a2/0x390 [ 320.019661] ? mark_held_locks+0x130/0x130 [ 320.023915] ? mark_held_locks+0x130/0x130 [ 320.028157] ? mark_held_locks+0xc7/0x130 [ 320.032310] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 320.037333] ? zap_class+0x640/0x640 [ 320.041050] ? print_usage_bug+0xc0/0xc0 [ 320.045116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.050656] ? check_preemption_disabled+0x48/0x280 [ 320.055686] ? __lock_is_held+0xb5/0x140 [ 320.059755] __alloc_pages_nodemask+0xad8/0xea0 [ 320.064475] ? zap_class+0x640/0x640 [ 320.068192] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 320.073218] ? find_held_lock+0x36/0x1c0 [ 320.077289] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.081963] ? lock_downgrade+0x900/0x900 [ 320.086121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.091664] cache_grow_begin+0xa5/0x8c0 [ 320.095724] ? do_raw_spin_unlock+0xa7/0x330 [ 320.100141] fallback_alloc+0x204/0x2e0 [ 320.104123] ____cache_alloc_node+0x1c7/0x1e0 [ 320.108623] kmem_cache_alloc_node+0xe3/0x730 [ 320.113119] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.117363] __alloc_skb+0x119/0x770 [ 320.121080] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.126375] ? netdev_alloc_frag+0x1f0/0x1f0 [ 320.130792] ? lock_downgrade+0x900/0x900 [ 320.134948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.140490] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.145946] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.151400] ? addrconf_rs_timer+0x690/0x690 [ 320.155834] ndisc_alloc_skb+0x144/0x340 [ 320.159913] ndisc_send_rs+0x331/0x6e0 [ 320.163808] addrconf_rs_timer+0x314/0x690 [ 320.168050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.172311] call_timer_fn+0x272/0x920 [ 320.176204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.180453] ? process_timeout+0x40/0x40 [ 320.184537] ? __run_timers+0x7da/0xc70 [ 320.188517] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.193011] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.197511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.201876] ? lockdep_hardirqs_on+0x296/0x5b0 [ 320.206461] ? trace_hardirqs_on+0xbd/0x310 [ 320.210783] ? kasan_check_read+0x11/0x20 [ 320.214930] ? __run_timers+0x7da/0xc70 [ 320.218905] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.224029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.228297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.232531] __run_timers+0x7e5/0xc70 [ 320.236345] ? timer_fixup_init+0x70/0x70 [ 320.240492] ? kasan_check_read+0x11/0x20 [ 320.244639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.249918] ? rcu_softirq_qs+0x20/0x20 [ 320.253906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.259451] ? check_preemption_disabled+0x48/0x280 [ 320.264473] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.269237] ? retint_kernel+0x2d/0x2d [ 320.273125] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.278056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.282811] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.288294] ? zap_class+0x640/0x640 [ 320.292010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.297548] ? check_preemption_disabled+0x48/0x280 [ 320.302571] ? __lock_is_held+0xb5/0x140 [ 320.306630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.312172] ? check_preemption_disabled+0x48/0x280 [ 320.317192] run_timer_softirq+0x52/0xb0 [ 320.321269] ? rcu_read_lock_sched_held+0x14f/0x180 [ 320.326284] __do_softirq+0x308/0xb7e [ 320.330105] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 320.334596] ? lock_downgrade+0x900/0x900 [ 320.338746] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 320.343858] ? pvclock_read_flags+0x160/0x160 [ 320.348366] ? lapic_next_event+0x5a/0x90 [ 320.352521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.358067] ? kvm_clock_read+0x18/0x30 [ 320.362056] ? kvm_sched_clock_read+0x9/0x20 [ 320.366465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.372008] ? check_preemption_disabled+0x48/0x280 [ 320.377037] irq_exit+0x17f/0x1c0 [ 320.380491] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.385334] ? smp_call_function_single_interrupt+0x159/0x650 [ 320.391236] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.397135] ? interrupt_entry+0xb5/0xc0 [ 320.401197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.406212] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.411232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.416073] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.421086] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.426100] ? task_prio+0x50/0x50 [ 320.429643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.435180] ? check_preemption_disabled+0x48/0x280 [ 320.440203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.445058] apic_timer_interrupt+0xf/0x20 [ 320.449287] [ 320.451530] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 320.457418] 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 [ 320.476314] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 320.484033] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 320.491297] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 320.498558] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 320.505826] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 320.513095] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 320.520398] ? save_stack+0xa9/0xd0 [ 320.524051] __kmalloc_node_track_caller+0x3c/0x70 [ 320.528987] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 320.533751] pskb_expand_head+0x230/0x10f0 [ 320.537992] ? memcpy+0x45/0x50 [ 320.541279] ? __copy_skb_header+0x350/0x6b0 [ 320.545690] ? skb_release_data+0x880/0x880 [ 320.550024] ? __alloc_skb+0x770/0x770 [ 320.553954] ? __lock_is_held+0xb5/0x140 [ 320.558027] ? kasan_check_write+0x14/0x20 [ 320.562292] ? __skb_clone+0x6c7/0xa00 [ 320.566182] ? __copy_skb_header+0x6b0/0x6b0 [ 320.570592] ? kmem_cache_alloc+0x33a/0x730 [ 320.574921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.580481] skb_ensure_writable+0x3dd/0x640 [ 320.584900] ? skb_checksum_setup+0xaa0/0xaa0 [ 320.589407] ? preempt_notifier_register+0x200/0x200 [ 320.594507] ? __switch_to_asm+0x34/0x70 [ 320.598563] ? __switch_to_asm+0x34/0x70 [ 320.602617] ? __switch_to_asm+0x40/0x70 [ 320.606673] ? __switch_to_asm+0x34/0x70 [ 320.610753] ? __switch_to_asm+0x40/0x70 [ 320.614810] ? __switch_to_asm+0x40/0x70 [ 320.618875] ? __switch_to_asm+0x34/0x70 [ 320.622953] ? __switch_to_asm+0x34/0x70 [ 320.627010] ? __switch_to_asm+0x40/0x70 [ 320.631070] ? __switch_to_asm+0x34/0x70 [ 320.635144] bpf_clone_redirect+0x14a/0x490 [ 320.639475] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 320.644423] ? __sched_text_start+0x8/0x8 [ 320.648572] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.653170] ? retint_kernel+0x2d/0x2d [ 320.657062] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.662021] ? find_held_lock+0x36/0x1c0 [ 320.666088] ? lock_acquire+0x1ed/0x520 [ 320.670075] ? bpf_test_run+0x3cb/0x780 [ 320.674068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.679611] ? check_preemption_disabled+0x48/0x280 [ 320.684636] ? kasan_check_read+0x11/0x20 [ 320.688782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.694056] ? rcu_softirq_qs+0x20/0x20 [ 320.698034] ? preempt_schedule+0x4d/0x60 [ 320.702197] ? ___preempt_schedule+0x16/0x18 [ 320.706614] ? bpf_test_run+0x25d/0x780 [ 320.710603] ? netlink_diag_dump+0x2a0/0x2a0 [ 320.715020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.720557] ? bpf_test_init.isra.10+0x70/0x100 [ 320.725235] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 320.730000] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 320.734841] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.740385] ? fput+0x130/0x1a0 [ 320.743676] ? __bpf_prog_get+0x9b/0x290 [ 320.747745] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 320.752587] ? bpf_prog_test_run+0x130/0x1a0 [ 320.757012] ? __x64_sys_bpf+0x3d8/0x520 [ 320.761087] ? bpf_prog_get+0x20/0x20 [ 320.764924] ? do_syscall_64+0x1b9/0x820 [ 320.768987] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 320.774371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.779304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.784147] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.789182] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.794206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.799054] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.804431] warn_alloc_show_mem: 1 callbacks suppressed [ 320.804442] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 320.804445] Mem-Info: [ 320.804475] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 320.804475] active_file:12 inactive_file:11 isolated_file:0 [ 320.804475] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.804475] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 320.804475] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 320.804475] free:13794 free_pcp:515 free_cma:0 [ 320.809810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.816653] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 320.819054] Call Trace: [ 320.851931] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 320.861283] dump_stack+0x244/0x39d [ 320.888747] lowmem_reserve[]: 0 2818 6321 6321 [ 320.891324] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.917425] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 320.921057] warn_alloc.cold.116+0xb7/0x1bd [ 320.925601] lowmem_reserve[]: 0 0 3503 3503 [ 320.930783] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.958082] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 320.962442] ? lock_downgrade+0x900/0x900 [ 320.966735] lowmem_reserve[]: 0 0 0 0 [ 320.971574] ? trace_hardirqs_off+0xb8/0x310 [ 321.000615] 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 [ 321.004761] ? trace_hardirqs_off+0xb8/0x310 [ 321.008533] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 321.012940] __alloc_pages_slowpath+0x2651/0x2de0 [ 321.026435] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 321.030859] ? warn_alloc+0x120/0x120 [ 321.045819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.050662] ? print_usage_bug+0xc0/0xc0 [ 321.065635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.069424] ? warn_alloc+0x120/0x120 [ 321.078233] 267 total pagecache pages [ 321.082301] ? warn_alloc+0x120/0x120 [ 321.091381] 0 pages in swap cache [ 321.095176] ? print_usage_bug+0xc0/0xc0 [ 321.098954] Swap cache stats: add 0, delete 0, find 0/0 [ 321.102743] ? print_usage_bug+0xc0/0xc0 [ 321.106169] Free swap = 0kB [ 321.110219] ? __lock_acquire+0x62f/0x4c20 [ 321.115555] Total swap = 0kB [ 321.119612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.122600] 1965979 pages RAM [ 321.126826] ? should_fail+0x22d/0xd01 [ 321.129817] 0 pages HighMem/MovableOnly [ 321.135340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.138422] 342854 pages reserved [ 321.142316] ? __lock_acquire+0x62f/0x4c20 [ 321.146265] 0 pages cma reserved [ 321.151358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.154902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.159010] ? __lock_acquire+0x62f/0x4c20 [ 321.159022] ? should_fail+0x22d/0xd01 [ 321.159036] ? find_held_lock+0x36/0x1c0 [ 321.159057] ? mark_held_locks+0x130/0x130 [ 321.162486] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.167517] ? mark_held_locks+0x130/0x130 [ 321.174011] syz-executor0 cpuset=syz0 mems_allowed=0 [ 321.178232] ? zap_class+0x640/0x640 [ 321.178250] ? mark_held_locks+0xc7/0x130 [ 321.218048] ? do_raw_spin_unlock+0xa7/0x330 [ 321.222454] ? zap_class+0x640/0x640 [ 321.226180] ? print_usage_bug+0xc0/0xc0 [ 321.230244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.235799] ? check_preemption_disabled+0x48/0x280 [ 321.240826] ? __lock_is_held+0xb5/0x140 [ 321.244905] __alloc_pages_nodemask+0xad8/0xea0 [ 321.249576] ? zap_class+0x640/0x640 [ 321.253289] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 321.258362] ? find_held_lock+0x36/0x1c0 [ 321.262436] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.267196] ? lock_downgrade+0x900/0x900 [ 321.271349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.276901] cache_grow_begin+0xa5/0x8c0 [ 321.280979] ? do_raw_spin_unlock+0xa7/0x330 [ 321.285414] fallback_alloc+0x204/0x2e0 [ 321.289396] ____cache_alloc_node+0x1c7/0x1e0 [ 321.293912] kmem_cache_alloc_node+0xe3/0x730 [ 321.298408] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.302647] __alloc_skb+0x119/0x770 [ 321.306356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.311636] ? netdev_alloc_frag+0x1f0/0x1f0 [ 321.316044] ? lock_downgrade+0x900/0x900 [ 321.320200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.325737] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.331204] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.336657] ? addrconf_rs_timer+0x690/0x690 [ 321.341073] ndisc_alloc_skb+0x144/0x340 [ 321.345153] ndisc_send_rs+0x331/0x6e0 [ 321.349045] addrconf_rs_timer+0x314/0x690 [ 321.353306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.357553] call_timer_fn+0x272/0x920 [ 321.361440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.365673] ? process_timeout+0x40/0x40 [ 321.369742] ? __run_timers+0x7da/0xc70 [ 321.373713] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.378220] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.382709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.386939] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.391523] ? trace_hardirqs_on+0xbd/0x310 [ 321.395844] ? kasan_check_read+0x11/0x20 [ 321.399999] ? __run_timers+0x7da/0xc70 [ 321.403974] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.409077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.413313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.417542] __run_timers+0x7e5/0xc70 [ 321.421364] ? timer_fixup_init+0x70/0x70 [ 321.425522] ? find_held_lock+0x36/0x1c0 [ 321.429597] ? __schedule+0x168a/0x21d0 [ 321.433569] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.438074] ? pvclock_read_flags+0x160/0x160 [ 321.442575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.448148] ? check_preemption_disabled+0x48/0x280 [ 321.453178] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 321.458716] ? rcu_pm_notify+0xc0/0xc0 [ 321.462606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.468143] ? check_preemption_disabled+0x48/0x280 [ 321.473165] run_timer_softirq+0x52/0xb0 [ 321.477226] ? rcu_read_lock_sched_held+0x14f/0x180 [ 321.482253] __do_softirq+0x308/0xb7e [ 321.486055] ? retint_kernel+0x2d/0x2d [ 321.489944] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 321.495045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.500498] ? finish_task_switch+0x2f4/0x910 [ 321.505013] ? schedule+0x108/0x460 [ 321.508652] ? trace_hardirqs_off+0xb8/0x310 [ 321.513080] ? smpboot_thread_fn+0x68b/0xa00 [ 321.517490] ? trace_hardirqs_on+0x310/0x310 [ 321.521921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.527456] ? check_preemption_disabled+0x48/0x280 [ 321.532470] ? takeover_tasklets+0xa90/0xa90 [ 321.536909] run_ksoftirqd+0x5e/0x100 [ 321.540712] smpboot_thread_fn+0x68b/0xa00 [ 321.544952] ? sort_range+0x30/0x30 [ 321.548581] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.553729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.559263] ? __kthread_parkme+0xfb/0x1a0 [ 321.563500] ? sort_range+0x30/0x30 [ 321.567145] kthread+0x35a/0x440 [ 321.570515] ? kthread_stop+0x900/0x900 [ 321.574489] ret_from_fork+0x3a/0x50 [ 321.578218] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 321.578307] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.585573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.585582] Call Trace: [ 321.592147] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.601406] [ 321.603986] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 321.614290] dump_stack+0x244/0x39d [ 321.624686] ? dump_stack_print_info.cold.1+0x20/0x20 [ 321.629910] warn_alloc.cold.116+0xb7/0x1bd [ 321.634237] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.639084] ? lock_downgrade+0x900/0x900 [ 321.643241] ? trace_hardirqs_off+0xb8/0x310 [ 321.647652] ? trace_hardirqs_off+0xb8/0x310 [ 321.652071] __alloc_pages_slowpath+0x2651/0x2de0 [ 321.656943] ? warn_alloc+0x120/0x120 [ 321.660762] ? print_usage_bug+0xc0/0xc0 [ 321.664826] ? warn_alloc+0x120/0x120 [ 321.668627] ? warn_alloc+0x120/0x120 [ 321.672425] ? print_usage_bug+0xc0/0xc0 [ 321.676523] ? print_usage_bug+0xc0/0xc0 [ 321.680583] ? __lock_acquire+0x62f/0x4c20 [ 321.684835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.690382] ? should_fail+0x22d/0xd01 [ 321.694290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.699426] ? __lock_acquire+0x62f/0x4c20 [ 321.703662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.708765] ? __lock_acquire+0x62f/0x4c20 [ 321.712996] ? should_fail+0x22d/0xd01 [ 321.716901] ? find_held_lock+0x36/0x1c0 [ 321.720970] ? mark_held_locks+0x130/0x130 [ 321.725219] ? mark_held_locks+0x130/0x130 [ 321.729451] ? zap_class+0x640/0x640 [ 321.733160] ? zap_class+0x640/0x640 [ 321.736897] ? print_usage_bug+0xc0/0xc0 [ 321.740971] ? do_raw_spin_unlock+0xa7/0x330 [ 321.745400] ? zap_class+0x640/0x640 [ 321.749116] ? print_usage_bug+0xc0/0xc0 [ 321.753188] ? wq_watchdog_touch+0x9c/0xfe [ 321.757426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.762971] ? check_preemption_disabled+0x48/0x280 [ 321.767996] ? __lock_is_held+0xb5/0x140 [ 321.772107] __alloc_pages_nodemask+0xad8/0xea0 [ 321.776778] ? zap_class+0x640/0x640 [ 321.780496] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 321.785535] ? find_held_lock+0x36/0x1c0 [ 321.789604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.794276] ? lock_downgrade+0x900/0x900 [ 321.798461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.804026] cache_grow_begin+0xa5/0x8c0 [ 321.808084] ? do_raw_spin_unlock+0xa7/0x330 [ 321.812499] fallback_alloc+0x204/0x2e0 [ 321.816478] ____cache_alloc_node+0x1c7/0x1e0 [ 321.820976] kmem_cache_alloc_node+0xe3/0x730 [ 321.825475] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.829721] __alloc_skb+0x119/0x770 [ 321.833431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.838708] ? netdev_alloc_frag+0x1f0/0x1f0 [ 321.843131] ? lock_downgrade+0x900/0x900 [ 321.847284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.852838] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.858300] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.863749] ? addrconf_rs_timer+0x690/0x690 [ 321.868171] ndisc_alloc_skb+0x144/0x340 [ 321.872242] ndisc_send_rs+0x331/0x6e0 [ 321.876140] addrconf_rs_timer+0x314/0x690 [ 321.880382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.884633] call_timer_fn+0x272/0x920 [ 321.888522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.892758] ? process_timeout+0x40/0x40 [ 321.896825] ? __run_timers+0x7da/0xc70 [ 321.900828] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.905342] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.909834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.914079] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.918665] ? trace_hardirqs_on+0xbd/0x310 [ 321.922999] ? kasan_check_read+0x11/0x20 [ 321.927142] ? __run_timers+0x7da/0xc70 [ 321.931132] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.936254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.940491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.944721] __run_timers+0x7e5/0xc70 [ 321.948529] ? timer_fixup_init+0x70/0x70 [ 321.952680] ? kasan_check_read+0x11/0x20 [ 321.956826] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.962373] ? rcu_softirq_qs+0x20/0x20 [ 321.966356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.971903] ? check_preemption_disabled+0x48/0x280 [ 321.976929] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.981696] ? retint_kernel+0x2d/0x2d [ 321.985586] ? trace_hardirqs_on_caller+0xc0/0x310 [ 321.990518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.995278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.000742] ? zap_class+0x640/0x640 [ 322.004468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.010014] ? check_preemption_disabled+0x48/0x280 [ 322.015039] ? __lock_is_held+0xb5/0x140 [ 322.019096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.024664] ? check_preemption_disabled+0x48/0x280 [ 322.029684] run_timer_softirq+0x52/0xb0 [ 322.033750] ? rcu_read_lock_sched_held+0x14f/0x180 [ 322.038771] __do_softirq+0x308/0xb7e [ 322.042575] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 322.047086] ? lock_downgrade+0x900/0x900 [ 322.051255] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 322.056397] ? pvclock_read_flags+0x160/0x160 [ 322.060916] ? lapic_next_event+0x5a/0x90 [ 322.065070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.070638] ? kvm_clock_read+0x18/0x30 [ 322.074609] ? kvm_sched_clock_read+0x9/0x20 [ 322.079023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.084557] ? check_preemption_disabled+0x48/0x280 [ 322.089578] irq_exit+0x17f/0x1c0 [ 322.093033] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.097897] ? smp_call_function_single_interrupt+0x159/0x650 [ 322.103784] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.109670] ? interrupt_entry+0xb5/0xc0 [ 322.113736] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.118754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.123769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.128611] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.133623] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.138641] ? task_prio+0x50/0x50 [ 322.142186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.147720] ? check_preemption_disabled+0x48/0x280 [ 322.152743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.157594] apic_timer_interrupt+0xf/0x20 [ 322.161821] [ 322.164065] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 322.169954] 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 [ 322.188877] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.196585] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 322.203854] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 322.211127] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 322.218398] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 322.225666] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 322.232968] ? save_stack+0xa9/0xd0 [ 322.236606] __kmalloc_node_track_caller+0x3c/0x70 [ 322.241544] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 322.246306] pskb_expand_head+0x230/0x10f0 [ 322.250560] ? memcpy+0x45/0x50 [ 322.253841] ? __copy_skb_header+0x350/0x6b0 [ 322.258261] ? skb_release_data+0x880/0x880 [ 322.262583] ? __alloc_skb+0x770/0x770 [ 322.266480] ? __lock_is_held+0xb5/0x140 [ 322.270563] ? kasan_check_write+0x14/0x20 [ 322.274797] ? __skb_clone+0x6c7/0xa00 [ 322.278709] ? __copy_skb_header+0x6b0/0x6b0 [ 322.283116] ? kmem_cache_alloc+0x33a/0x730 [ 322.287446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.292991] skb_ensure_writable+0x3dd/0x640 [ 322.297410] ? skb_checksum_setup+0xaa0/0xaa0 [ 322.301911] ? preempt_notifier_register+0x200/0x200 [ 322.307013] ? __switch_to_asm+0x34/0x70 [ 322.311091] ? __switch_to_asm+0x34/0x70 [ 322.315151] ? __switch_to_asm+0x40/0x70 [ 322.319211] ? __switch_to_asm+0x34/0x70 [ 322.323268] ? __switch_to_asm+0x40/0x70 [ 322.327327] ? __switch_to_asm+0x40/0x70 [ 322.331382] ? __switch_to_asm+0x34/0x70 [ 322.335445] ? __switch_to_asm+0x34/0x70 [ 322.339506] ? __switch_to_asm+0x40/0x70 [ 322.343566] ? __switch_to_asm+0x34/0x70 [ 322.347635] bpf_clone_redirect+0x14a/0x490 [ 322.351970] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 322.356903] ? __sched_text_start+0x8/0x8 [ 322.361059] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 322.365643] ? retint_kernel+0x2d/0x2d [ 322.369542] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.374488] ? find_held_lock+0x36/0x1c0 [ 322.378556] ? lock_acquire+0x1ed/0x520 [ 322.382532] ? bpf_test_run+0x3cb/0x780 [ 322.386506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.392047] ? check_preemption_disabled+0x48/0x280 [ 322.397073] ? kasan_check_read+0x11/0x20 [ 322.401219] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.406492] ? rcu_softirq_qs+0x20/0x20 [ 322.410468] ? preempt_schedule+0x4d/0x60 [ 322.414629] ? ___preempt_schedule+0x16/0x18 [ 322.419063] ? bpf_test_run+0x25d/0x780 [ 322.423059] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.427469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.433012] ? bpf_test_init.isra.10+0x70/0x100 [ 322.437714] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 322.442481] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 322.447325] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.452884] ? fput+0x130/0x1a0 [ 322.456167] ? __bpf_prog_get+0x9b/0x290 [ 322.460235] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 322.465088] ? bpf_prog_test_run+0x130/0x1a0 [ 322.469499] ? __x64_sys_bpf+0x3d8/0x520 [ 322.473556] ? bpf_prog_get+0x20/0x20 [ 322.477374] ? do_syscall_64+0x1b9/0x820 [ 322.481437] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.486802] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.491748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.496597] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.501618] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.506638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.511489] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.516863] warn_alloc_show_mem: 1 callbacks suppressed [ 322.516883] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 322.516885] Mem-Info: [ 322.516920] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 322.516920] active_file:12 inactive_file:11 isolated_file:0 [ 322.516920] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.516920] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 322.516920] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 322.516920] free:13794 free_pcp:515 free_cma:0 [ 322.522258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.529105] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.531503] Call Trace: [ 322.564364] 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 [ 322.573712] dump_stack+0x244/0x39d [ 322.601182] lowmem_reserve[]: 0 2818 6321 6321 [ 322.603761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.629857] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 322.633545] warn_alloc.cold.116+0xb7/0x1bd [ 322.638095] lowmem_reserve[]: 0 0 3503 3503 [ 322.643278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.670593] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 322.674910] ? lock_downgrade+0x900/0x900 [ 322.679199] lowmem_reserve[]: 0 0 0 0 [ 322.684040] ? trace_hardirqs_off+0xb8/0x310 [ 322.713070] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 322.717211] ? trace_hardirqs_off+0xb8/0x310 [ 322.720987] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 322.725387] __alloc_pages_slowpath+0x2651/0x2de0 [ 322.738898] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 322.743315] ? warn_alloc+0x120/0x120 [ 322.758272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.763097] ? print_usage_bug+0xc0/0xc0 [ 322.778081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.781875] ? warn_alloc+0x120/0x120 [ 322.790696] 267 total pagecache pages [ 322.794745] ? warn_alloc+0x120/0x120 [ 322.803305] 0 pages in swap cache [ 322.807095] ? print_usage_bug+0xc0/0xc0 [ 322.810882] Swap cache stats: add 0, delete 0, find 0/0 [ 322.814691] ? print_usage_bug+0xc0/0xc0 [ 322.818127] Free swap = 0kB [ 322.822191] ? __lock_acquire+0x62f/0x4c20 [ 322.827531] Total swap = 0kB [ 322.831583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.834583] 1965979 pages RAM [ 322.838807] ? should_fail+0x22d/0xd01 [ 322.841796] 0 pages HighMem/MovableOnly [ 322.847329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.850413] 342854 pages reserved [ 322.854287] ? __lock_acquire+0x62f/0x4c20 [ 322.858249] 0 pages cma reserved [ 322.863361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.866863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.871027] ? __lock_acquire+0x62f/0x4c20 [ 322.871042] ? should_fail+0x22d/0xd01 [ 322.874501] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.879492] ? find_held_lock+0x36/0x1c0 [ 322.885961] syz-executor0 cpuset=syz0 mems_allowed=0 [ 322.890204] ? mark_held_locks+0x130/0x130 [ 322.917885] ? mark_held_locks+0x130/0x130 [ 322.922128] ? zap_class+0x640/0x640 [ 322.925851] ? mark_held_locks+0xc7/0x130 [ 322.930022] ? do_raw_spin_unlock+0xa7/0x330 [ 322.934430] ? zap_class+0x640/0x640 [ 322.938146] ? print_usage_bug+0xc0/0xc0 [ 322.942226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.947794] ? check_preemption_disabled+0x48/0x280 [ 322.952820] ? __lock_is_held+0xb5/0x140 [ 322.956902] __alloc_pages_nodemask+0xad8/0xea0 [ 322.962014] ? zap_class+0x640/0x640 [ 322.965737] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 322.970761] ? find_held_lock+0x36/0x1c0 [ 322.974826] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.979490] ? lock_downgrade+0x900/0x900 [ 322.983647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.989188] cache_grow_begin+0xa5/0x8c0 [ 322.993309] ? do_raw_spin_unlock+0xa7/0x330 [ 322.997740] fallback_alloc+0x204/0x2e0 [ 323.001732] ____cache_alloc_node+0x1c7/0x1e0 [ 323.006231] kmem_cache_alloc_node+0xe3/0x730 [ 323.010747] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.014994] __alloc_skb+0x119/0x770 [ 323.018709] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.023993] ? netdev_alloc_frag+0x1f0/0x1f0 [ 323.028399] ? lock_downgrade+0x900/0x900 [ 323.032556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.038096] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.043564] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.049017] ? addrconf_rs_timer+0x690/0x690 [ 323.053438] ndisc_alloc_skb+0x144/0x340 [ 323.057504] ndisc_send_rs+0x331/0x6e0 [ 323.061400] addrconf_rs_timer+0x314/0x690 [ 323.065639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.069907] call_timer_fn+0x272/0x920 [ 323.073796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.078032] ? process_timeout+0x40/0x40 [ 323.082117] ? __run_timers+0x7da/0xc70 [ 323.086096] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.090610] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.095113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.099347] ? lockdep_hardirqs_on+0x296/0x5b0 [ 323.103931] ? trace_hardirqs_on+0xbd/0x310 [ 323.108253] ? kasan_check_read+0x11/0x20 [ 323.112402] ? __run_timers+0x7da/0xc70 [ 323.116378] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.121487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.125728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.129981] __run_timers+0x7e5/0xc70 [ 323.133795] ? timer_fixup_init+0x70/0x70 [ 323.137960] ? find_held_lock+0x36/0x1c0 [ 323.142035] ? __schedule+0x168a/0x21d0 [ 323.146010] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.150518] ? pvclock_read_flags+0x160/0x160 [ 323.155017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.160556] ? check_preemption_disabled+0x48/0x280 [ 323.165583] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 323.171124] ? rcu_pm_notify+0xc0/0xc0 [ 323.175017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.180555] ? check_preemption_disabled+0x48/0x280 [ 323.185575] run_timer_softirq+0x52/0xb0 [ 323.189634] ? rcu_read_lock_sched_held+0x14f/0x180 [ 323.194654] __do_softirq+0x308/0xb7e [ 323.198453] ? retint_kernel+0x2d/0x2d [ 323.202345] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 323.207448] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.212907] ? finish_task_switch+0x2f4/0x910 [ 323.217408] ? schedule+0x108/0x460 [ 323.221049] ? trace_hardirqs_off+0xb8/0x310 [ 323.225456] ? smpboot_thread_fn+0x68b/0xa00 [ 323.229863] ? trace_hardirqs_on+0x310/0x310 [ 323.234339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.239888] ? check_preemption_disabled+0x48/0x280 [ 323.244934] ? takeover_tasklets+0xa90/0xa90 [ 323.249353] run_ksoftirqd+0x5e/0x100 [ 323.253151] smpboot_thread_fn+0x68b/0xa00 [ 323.257392] ? sort_range+0x30/0x30 [ 323.261021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.266129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.271664] ? __kthread_parkme+0xfb/0x1a0 [ 323.275909] ? sort_range+0x30/0x30 [ 323.279535] kthread+0x35a/0x440 [ 323.282927] ? kthread_stop+0x900/0x900 [ 323.286924] ret_from_fork+0x3a/0x50 [ 323.290672] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 323.290755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.298048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.298054] Call Trace: [ 323.298067] [ 323.298085] dump_stack+0x244/0x39d [ 323.298104] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.304628] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.313931] warn_alloc.cold.116+0xb7/0x1bd [ 323.316503] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 323.318692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.351576] ? lock_downgrade+0x900/0x900 [ 323.355750] ? trace_hardirqs_off+0xb8/0x310 [ 323.360162] ? trace_hardirqs_off+0xb8/0x310 [ 323.364575] __alloc_pages_slowpath+0x2651/0x2de0 [ 323.369449] ? warn_alloc+0x120/0x120 [ 323.373255] ? print_usage_bug+0xc0/0xc0 [ 323.377320] ? warn_alloc+0x120/0x120 [ 323.381127] ? warn_alloc+0x120/0x120 [ 323.384934] ? print_usage_bug+0xc0/0xc0 [ 323.389019] ? print_usage_bug+0xc0/0xc0 [ 323.393084] ? __lock_acquire+0x62f/0x4c20 [ 323.397324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.402861] ? should_fail+0x22d/0xd01 [ 323.406773] ? __lock_acquire+0x62f/0x4c20 [ 323.411012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.416117] ? __lock_acquire+0x62f/0x4c20 [ 323.420374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.425482] ? __lock_acquire+0x62f/0x4c20 [ 323.429714] ? should_fail+0x22d/0xd01 [ 323.433613] ? mark_held_locks+0x130/0x130 [ 323.437866] ? mark_held_locks+0x130/0x130 [ 323.442127] ? zap_class+0x640/0x640 [ 323.445844] ? zap_class+0x640/0x640 [ 323.449570] ? print_usage_bug+0xc0/0xc0 [ 323.453638] ? do_raw_spin_unlock+0xa7/0x330 [ 323.458058] ? zap_class+0x640/0x640 [ 323.461776] ? print_usage_bug+0xc0/0xc0 [ 323.465833] ? wq_watchdog_touch+0x9c/0xfe [ 323.470084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.475620] ? check_preemption_disabled+0x48/0x280 [ 323.480643] ? __lock_is_held+0xb5/0x140 [ 323.484707] __alloc_pages_nodemask+0xad8/0xea0 [ 323.489377] ? zap_class+0x640/0x640 [ 323.493113] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 323.498142] ? find_held_lock+0x36/0x1c0 [ 323.502212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.506891] ? lock_downgrade+0x900/0x900 [ 323.511049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.516589] cache_grow_begin+0xa5/0x8c0 [ 323.520645] ? do_raw_spin_unlock+0xa7/0x330 [ 323.525060] fallback_alloc+0x204/0x2e0 [ 323.529041] ____cache_alloc_node+0x1c7/0x1e0 [ 323.533559] kmem_cache_alloc_node+0xe3/0x730 [ 323.538054] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.542297] __alloc_skb+0x119/0x770 [ 323.546028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.551314] ? netdev_alloc_frag+0x1f0/0x1f0 [ 323.555725] ? lock_downgrade+0x900/0x900 [ 323.559901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.565444] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.570907] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.576356] ? addrconf_rs_timer+0x690/0x690 [ 323.580796] ndisc_alloc_skb+0x144/0x340 [ 323.584864] ndisc_send_rs+0x331/0x6e0 [ 323.588786] addrconf_rs_timer+0x314/0x690 [ 323.593024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.597271] call_timer_fn+0x272/0x920 [ 323.601155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.605397] ? process_timeout+0x40/0x40 [ 323.609465] ? __run_timers+0x7da/0xc70 [ 323.613440] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.617931] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.622424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.626661] ? lockdep_hardirqs_on+0x296/0x5b0 [ 323.631243] ? trace_hardirqs_on+0xbd/0x310 [ 323.635566] ? kasan_check_read+0x11/0x20 [ 323.639710] ? __run_timers+0x7da/0xc70 [ 323.643684] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.648811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.653041] __run_timers+0x7e5/0xc70 [ 323.656853] ? timer_fixup_init+0x70/0x70 [ 323.661006] ? kasan_check_read+0x11/0x20 [ 323.665172] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.670479] ? rcu_softirq_qs+0x20/0x20 [ 323.674469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.680020] ? check_preemption_disabled+0x48/0x280 [ 323.685059] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.689833] ? retint_kernel+0x2d/0x2d [ 323.693723] ? trace_hardirqs_on_caller+0xc0/0x310 [ 323.698655] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.703411] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.708863] ? zap_class+0x640/0x640 [ 323.712595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.718150] ? check_preemption_disabled+0x48/0x280 [ 323.723176] ? __lock_is_held+0xb5/0x140 [ 323.727242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.732780] ? check_preemption_disabled+0x48/0x280 [ 323.737801] run_timer_softirq+0x52/0xb0 [ 323.741865] ? rcu_read_lock_sched_held+0x14f/0x180 [ 323.746903] __do_softirq+0x308/0xb7e [ 323.750725] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 323.755217] ? lock_downgrade+0x900/0x900 [ 323.759373] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 323.764491] ? pvclock_read_flags+0x160/0x160 [ 323.769001] ? lapic_next_event+0x5a/0x90 [ 323.773154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.778697] ? kvm_clock_read+0x18/0x30 [ 323.782682] ? kvm_sched_clock_read+0x9/0x20 [ 323.787111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.792751] ? check_preemption_disabled+0x48/0x280 [ 323.797779] irq_exit+0x17f/0x1c0 [ 323.801237] smp_apic_timer_interrupt+0x1cb/0x760 [ 323.806077] ? smp_call_function_single_interrupt+0x159/0x650 [ 323.811979] ? smp_call_function_single_interrupt+0x650/0x650 [ 323.817864] ? interrupt_entry+0xb5/0xc0 [ 323.821936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 323.826964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 323.831979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.836821] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.841839] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.846861] ? task_prio+0x50/0x50 [ 323.850418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.855963] ? check_preemption_disabled+0x48/0x280 [ 323.860996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.865849] apic_timer_interrupt+0xf/0x20 [ 323.870082] [ 323.872325] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 323.878225] 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 [ 323.897128] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 323.904832] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 323.912103] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 323.919382] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 323.926649] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 323.933953] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 323.941246] ? save_stack+0xa9/0xd0 [ 323.944892] __kmalloc_node_track_caller+0x3c/0x70 [ 323.949829] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 323.954593] pskb_expand_head+0x230/0x10f0 [ 323.958963] ? memcpy+0x45/0x50 [ 323.962260] ? __copy_skb_header+0x350/0x6b0 [ 323.966670] ? skb_release_data+0x880/0x880 [ 323.971005] ? __alloc_skb+0x770/0x770 [ 323.974906] ? __lock_is_held+0xb5/0x140 [ 323.978974] ? kasan_check_write+0x14/0x20 [ 323.983220] ? __skb_clone+0x6c7/0xa00 [ 323.987114] ? __copy_skb_header+0x6b0/0x6b0 [ 323.991518] ? kmem_cache_alloc+0x33a/0x730 [ 323.995843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.001390] skb_ensure_writable+0x3dd/0x640 [ 324.005804] ? skb_checksum_setup+0xaa0/0xaa0 [ 324.010320] ? preempt_notifier_register+0x200/0x200 [ 324.015455] ? __switch_to_asm+0x34/0x70 [ 324.019513] ? __switch_to_asm+0x34/0x70 [ 324.023571] ? __switch_to_asm+0x40/0x70 [ 324.027630] ? __switch_to_asm+0x34/0x70 [ 324.031688] ? __switch_to_asm+0x40/0x70 [ 324.035752] ? __switch_to_asm+0x40/0x70 [ 324.039811] ? __switch_to_asm+0x34/0x70 [ 324.043892] ? __switch_to_asm+0x34/0x70 [ 324.047960] ? __switch_to_asm+0x40/0x70 [ 324.052018] ? __switch_to_asm+0x34/0x70 [ 324.056086] bpf_clone_redirect+0x14a/0x490 [ 324.060419] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 324.065372] ? __sched_text_start+0x8/0x8 [ 324.069526] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.074107] ? retint_kernel+0x2d/0x2d [ 324.077994] ? trace_hardirqs_on_caller+0xc0/0x310 [ 324.082944] ? find_held_lock+0x36/0x1c0 [ 324.087018] ? lock_acquire+0x1ed/0x520 [ 324.091010] ? bpf_test_run+0x3cb/0x780 [ 324.094985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.100524] ? check_preemption_disabled+0x48/0x280 [ 324.105543] ? kasan_check_read+0x11/0x20 [ 324.109688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.114965] ? rcu_softirq_qs+0x20/0x20 [ 324.118940] ? preempt_schedule+0x4d/0x60 [ 324.123101] ? ___preempt_schedule+0x16/0x18 [ 324.127519] ? bpf_test_run+0x25d/0x780 [ 324.131505] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.135918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.141455] ? bpf_test_init.isra.10+0x70/0x100 [ 324.146130] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 324.150938] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.155781] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.161319] ? fput+0x130/0x1a0 [ 324.164603] ? __bpf_prog_get+0x9b/0x290 [ 324.168682] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.173537] ? bpf_prog_test_run+0x130/0x1a0 [ 324.177948] ? __x64_sys_bpf+0x3d8/0x520 [ 324.182007] ? bpf_prog_get+0x20/0x20 [ 324.185827] ? do_syscall_64+0x1b9/0x820 [ 324.189895] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.195276] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.200207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.205049] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.210093] ? prepare_exit_to_usermode+0x291/0x3b0 [ 324.215119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.219974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.225363] warn_alloc_show_mem: 1 callbacks suppressed [ 324.225375] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 324.225377] Mem-Info: [ 324.225421] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 324.225421] active_file:12 inactive_file:11 isolated_file:0 [ 324.225421] unevictable:0 dirty:0 writeback:0 unstable:0 [ 324.225421] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 324.225421] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 324.225421] free:13794 free_pcp:515 free_cma:0 [ 324.230756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.237595] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 324.239991] Call Trace: [ 324.272851] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 324.282229] dump_stack+0x244/0x39d [ 324.309714] lowmem_reserve[]: 0 2818 6321 6321 [ 324.312293] ? dump_stack_print_info.cold.1+0x20/0x20 [ 324.338387] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 324.342013] warn_alloc.cold.116+0xb7/0x1bd [ 324.346559] lowmem_reserve[]: 0 0 3503 3503 [ 324.351743] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.379040] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 324.383356] ? lock_downgrade+0x900/0x900 [ 324.387648] lowmem_reserve[]: 0 0 0 0 [ 324.392507] ? trace_hardirqs_off+0xb8/0x310 [ 324.421534] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 324.425673] ? trace_hardirqs_off+0xb8/0x310 [ 324.429449] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 324.433856] __alloc_pages_slowpath+0x2651/0x2de0 [ 324.447350] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 324.451769] ? warn_alloc+0x120/0x120 [ 324.466724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 324.471569] ? print_usage_bug+0xc0/0xc0 [ 324.486566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 324.490354] ? warn_alloc+0x120/0x120 [ 324.499164] 267 total pagecache pages [ 324.503231] ? warn_alloc+0x120/0x120 [ 324.511782] 0 pages in swap cache [ 324.515565] ? print_usage_bug+0xc0/0xc0 [ 324.519342] Swap cache stats: add 0, delete 0, find 0/0 [ 324.523133] ? print_usage_bug+0xc0/0xc0 [ 324.526559] Free swap = 0kB [ 324.530630] ? __lock_acquire+0x62f/0x4c20 [ 324.535967] Total swap = 0kB [ 324.540024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.543021] 1965979 pages RAM [ 324.547250] ? should_fail+0x22d/0xd01 [ 324.550241] 0 pages HighMem/MovableOnly [ 324.555767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.558846] 342854 pages reserved [ 324.562731] ? __lock_acquire+0x62f/0x4c20 [ 324.566678] 0 pages cma reserved [ 324.571772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.575280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 324.579433] ? __lock_acquire+0x62f/0x4c20 [ 324.579446] ? should_fail+0x22d/0xd01 [ 324.579460] ? find_held_lock+0x36/0x1c0 [ 324.579481] ? mark_held_locks+0x130/0x130 [ 324.582885] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 324.587939] ? mark_held_locks+0x130/0x130 [ 324.594414] syz-executor0 cpuset=syz0 mems_allowed=0 [ 324.598638] ? zap_class+0x640/0x640 [ 324.634251] ? zap_class+0x640/0x640 [ 324.637970] ? print_usage_bug+0xc0/0xc0 [ 324.642032] ? do_raw_spin_unlock+0xa7/0x330 [ 324.646439] ? zap_class+0x640/0x640 [ 324.650157] ? print_usage_bug+0xc0/0xc0 [ 324.654216] ? wq_watchdog_touch+0x9c/0xfe [ 324.658474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.664021] ? check_preemption_disabled+0x48/0x280 [ 324.669048] ? __lock_is_held+0xb5/0x140 [ 324.673115] __alloc_pages_nodemask+0xad8/0xea0 [ 324.677782] ? zap_class+0x640/0x640 [ 324.681498] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 324.686521] ? find_held_lock+0x36/0x1c0 [ 324.690590] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.695268] ? lock_downgrade+0x900/0x900 [ 324.699419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.704993] cache_grow_begin+0xa5/0x8c0 [ 324.709050] ? do_raw_spin_unlock+0xa7/0x330 [ 324.713466] fallback_alloc+0x204/0x2e0 [ 324.717445] ____cache_alloc_node+0x1c7/0x1e0 [ 324.721949] kmem_cache_alloc_node+0xe3/0x730 [ 324.726444] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.730693] __alloc_skb+0x119/0x770 [ 324.734406] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.739690] ? netdev_alloc_frag+0x1f0/0x1f0 [ 324.744098] ? lock_downgrade+0x900/0x900 [ 324.748256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.753793] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.759265] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.764713] ? addrconf_rs_timer+0x690/0x690 [ 324.769178] ndisc_alloc_skb+0x144/0x340 [ 324.773244] ndisc_send_rs+0x331/0x6e0 [ 324.777141] addrconf_rs_timer+0x314/0x690 [ 324.781384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.785643] call_timer_fn+0x272/0x920 [ 324.789530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.793764] ? process_timeout+0x40/0x40 [ 324.797848] ? __run_timers+0x7da/0xc70 [ 324.801847] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.806348] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.810885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.815128] ? lockdep_hardirqs_on+0x296/0x5b0 [ 324.819717] ? trace_hardirqs_on+0xbd/0x310 [ 324.824038] ? kasan_check_read+0x11/0x20 [ 324.828182] ? __run_timers+0x7da/0xc70 [ 324.832156] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.837267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.841507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.845742] __run_timers+0x7e5/0xc70 [ 324.849558] ? timer_fixup_init+0x70/0x70 [ 324.853722] ? find_held_lock+0x36/0x1c0 [ 324.857796] ? __schedule+0x168a/0x21d0 [ 324.861773] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.866277] ? pvclock_read_flags+0x160/0x160 [ 324.870779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.876317] ? check_preemption_disabled+0x48/0x280 [ 324.881343] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 324.886888] ? rcu_pm_notify+0xc0/0xc0 [ 324.890784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.896321] ? check_preemption_disabled+0x48/0x280 [ 324.901385] run_timer_softirq+0x52/0xb0 [ 324.905445] ? rcu_read_lock_sched_held+0x14f/0x180 [ 324.910460] __do_softirq+0x308/0xb7e [ 324.914264] ? retint_kernel+0x2d/0x2d [ 324.918163] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 324.923265] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.928717] ? finish_task_switch+0x2f4/0x910 [ 324.933217] ? schedule+0x108/0x460 [ 324.936862] ? trace_hardirqs_off+0xb8/0x310 [ 324.941288] ? smpboot_thread_fn+0x68b/0xa00 [ 324.945698] ? trace_hardirqs_on+0x310/0x310 [ 324.950107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.955643] ? check_preemption_disabled+0x48/0x280 [ 324.960676] ? takeover_tasklets+0xa90/0xa90 [ 324.965090] run_ksoftirqd+0x5e/0x100 [ 324.968919] smpboot_thread_fn+0x68b/0xa00 [ 324.973174] ? sort_range+0x30/0x30 [ 324.976800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.981913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.987451] ? __kthread_parkme+0xfb/0x1a0 [ 324.991690] ? sort_range+0x30/0x30 [ 324.995315] kthread+0x35a/0x440 [ 324.998688] ? kthread_stop+0x900/0x900 [ 325.002662] ret_from_fork+0x3a/0x50 [ 325.006406] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 325.006508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 325.013785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.013794] Call Trace: [ 325.020391] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.029628] [ 325.032198] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 325.042504] dump_stack+0x244/0x39d [ 325.052943] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.058162] warn_alloc.cold.116+0xb7/0x1bd [ 325.062488] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.067334] ? lock_downgrade+0x900/0x900 [ 325.071505] ? trace_hardirqs_off+0xb8/0x310 [ 325.075933] ? trace_hardirqs_off+0xb8/0x310 [ 325.080354] __alloc_pages_slowpath+0x2651/0x2de0 [ 325.085229] ? warn_alloc+0x120/0x120 [ 325.089062] ? print_usage_bug+0xc0/0xc0 [ 325.093668] ? warn_alloc+0x120/0x120 [ 325.097479] ? warn_alloc+0x120/0x120 [ 325.101286] ? print_usage_bug+0xc0/0xc0 [ 325.105349] ? print_usage_bug+0xc0/0xc0 [ 325.109417] ? __lock_acquire+0x62f/0x4c20 [ 325.113661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.119209] ? should_fail+0x22d/0xd01 [ 325.123101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.128204] ? __lock_acquire+0x62f/0x4c20 [ 325.132444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.137561] ? __lock_acquire+0x62f/0x4c20 [ 325.141797] ? should_fail+0x22d/0xd01 [ 325.145683] ? find_held_lock+0x36/0x1c0 [ 325.149752] ? mark_held_locks+0x130/0x130 [ 325.153996] ? mark_held_locks+0x130/0x130 [ 325.158231] ? zap_class+0x640/0x640 [ 325.161950] ? zap_class+0x640/0x640 [ 325.165669] ? print_usage_bug+0xc0/0xc0 [ 325.169730] ? do_raw_spin_unlock+0xa7/0x330 [ 325.174141] ? zap_class+0x640/0x640 [ 325.177854] ? print_usage_bug+0xc0/0xc0 [ 325.181924] ? wq_watchdog_touch+0x9c/0xfe [ 325.186165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.191703] ? check_preemption_disabled+0x48/0x280 [ 325.196732] ? __lock_is_held+0xb5/0x140 [ 325.200799] __alloc_pages_nodemask+0xad8/0xea0 [ 325.205496] ? zap_class+0x640/0x640 [ 325.209217] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 325.214244] ? find_held_lock+0x36/0x1c0 [ 325.218318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.222990] ? lock_downgrade+0x900/0x900 [ 325.227147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.232690] cache_grow_begin+0xa5/0x8c0 [ 325.236755] ? do_raw_spin_unlock+0xa7/0x330 [ 325.241175] fallback_alloc+0x204/0x2e0 [ 325.245156] ____cache_alloc_node+0x1c7/0x1e0 [ 325.249657] kmem_cache_alloc_node+0xe3/0x730 [ 325.254160] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.258423] __alloc_skb+0x119/0x770 [ 325.262134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.267420] ? netdev_alloc_frag+0x1f0/0x1f0 [ 325.271856] ? lock_downgrade+0x900/0x900 [ 325.276022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.281562] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.287018] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.292467] ? addrconf_rs_timer+0x690/0x690 [ 325.296909] ndisc_alloc_skb+0x144/0x340 [ 325.300986] ndisc_send_rs+0x331/0x6e0 [ 325.304888] addrconf_rs_timer+0x314/0x690 [ 325.309134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.313378] call_timer_fn+0x272/0x920 [ 325.317282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.321514] ? process_timeout+0x40/0x40 [ 325.325577] ? __run_timers+0x7da/0xc70 [ 325.329552] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.334051] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.338543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.342782] ? lockdep_hardirqs_on+0x296/0x5b0 [ 325.347367] ? trace_hardirqs_on+0xbd/0x310 [ 325.351693] ? kasan_check_read+0x11/0x20 [ 325.355838] ? __run_timers+0x7da/0xc70 [ 325.359818] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.364920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.369155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.373386] __run_timers+0x7e5/0xc70 [ 325.377213] ? timer_fixup_init+0x70/0x70 [ 325.381413] ? kasan_check_read+0x11/0x20 [ 325.385559] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.390833] ? rcu_softirq_qs+0x20/0x20 [ 325.394823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.400366] ? check_preemption_disabled+0x48/0x280 [ 325.405389] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 325.410150] ? retint_kernel+0x2d/0x2d [ 325.414035] ? trace_hardirqs_on_caller+0xc0/0x310 [ 325.418965] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 325.423718] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.429173] ? zap_class+0x640/0x640 [ 325.432931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.438474] ? check_preemption_disabled+0x48/0x280 [ 325.443498] ? __lock_is_held+0xb5/0x140 [ 325.447564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.453108] ? check_preemption_disabled+0x48/0x280 [ 325.458129] run_timer_softirq+0x52/0xb0 [ 325.462194] ? rcu_read_lock_sched_held+0x14f/0x180 [ 325.467217] __do_softirq+0x308/0xb7e [ 325.471041] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 325.475532] ? lock_downgrade+0x900/0x900 [ 325.479696] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 325.484805] ? pvclock_read_flags+0x160/0x160 [ 325.489318] ? lapic_next_event+0x5a/0x90 [ 325.493467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.499010] ? kvm_clock_read+0x18/0x30 [ 325.502986] ? kvm_sched_clock_read+0x9/0x20 [ 325.507403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.512959] ? check_preemption_disabled+0x48/0x280 [ 325.518004] irq_exit+0x17f/0x1c0 [ 325.521459] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.526337] ? smp_call_function_single_interrupt+0x159/0x650 [ 325.532237] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.538120] ? interrupt_entry+0xb5/0xc0 [ 325.542183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.547205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.552223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.557081] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.562096] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.567116] ? task_prio+0x50/0x50 [ 325.570676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.576226] ? check_preemption_disabled+0x48/0x280 [ 325.581250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.586108] apic_timer_interrupt+0xf/0x20 [ 325.590336] [ 325.592575] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 325.598462] 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 [ 325.617361] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 325.625115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 325.632402] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 325.639667] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 325.646935] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 325.654199] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 325.661493] ? save_stack+0xa9/0xd0 [ 325.665136] __kmalloc_node_track_caller+0x3c/0x70 [ 325.670072] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 325.674834] pskb_expand_head+0x230/0x10f0 [ 325.679080] ? memcpy+0x45/0x50 [ 325.682364] ? __copy_skb_header+0x350/0x6b0 [ 325.686793] ? skb_release_data+0x880/0x880 [ 325.691115] ? __alloc_skb+0x770/0x770 [ 325.695013] ? __lock_is_held+0xb5/0x140 [ 325.699080] ? kasan_check_write+0x14/0x20 [ 325.703316] ? __skb_clone+0x6c7/0xa00 [ 325.707206] ? __copy_skb_header+0x6b0/0x6b0 [ 325.711614] ? kmem_cache_alloc+0x33a/0x730 [ 325.715944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.721487] skb_ensure_writable+0x3dd/0x640 [ 325.725903] ? skb_checksum_setup+0xaa0/0xaa0 [ 325.730424] ? preempt_notifier_register+0x200/0x200 [ 325.735524] ? __switch_to_asm+0x34/0x70 [ 325.739588] ? __switch_to_asm+0x34/0x70 [ 325.743648] ? __switch_to_asm+0x40/0x70 [ 325.747721] ? __switch_to_asm+0x34/0x70 [ 325.751789] ? __switch_to_asm+0x40/0x70 [ 325.755864] ? __switch_to_asm+0x40/0x70 [ 325.759945] ? __switch_to_asm+0x34/0x70 [ 325.764007] ? __switch_to_asm+0x34/0x70 [ 325.768067] ? __switch_to_asm+0x40/0x70 [ 325.772143] ? __switch_to_asm+0x34/0x70 [ 325.776213] bpf_clone_redirect+0x14a/0x490 [ 325.780544] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 325.785479] ? __sched_text_start+0x8/0x8 [ 325.789646] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 325.794232] ? retint_kernel+0x2d/0x2d [ 325.798120] ? trace_hardirqs_on_caller+0xc0/0x310 [ 325.803054] ? find_held_lock+0x36/0x1c0 [ 325.807127] ? lock_acquire+0x1ed/0x520 [ 325.811102] ? bpf_test_run+0x3cb/0x780 [ 325.815076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.820612] ? check_preemption_disabled+0x48/0x280 [ 325.825637] ? kasan_check_read+0x11/0x20 [ 325.829789] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.835064] ? rcu_softirq_qs+0x20/0x20 [ 325.839039] ? preempt_schedule+0x4d/0x60 [ 325.843203] ? ___preempt_schedule+0x16/0x18 [ 325.847620] ? bpf_test_run+0x25d/0x780 [ 325.851618] ? netlink_diag_dump+0x2a0/0x2a0 [ 325.856030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.861565] ? bpf_test_init.isra.10+0x70/0x100 [ 325.866239] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 325.871015] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.875854] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.881402] ? fput+0x130/0x1a0 [ 325.884684] ? __bpf_prog_get+0x9b/0x290 [ 325.888751] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.893612] ? bpf_prog_test_run+0x130/0x1a0 [ 325.898024] ? __x64_sys_bpf+0x3d8/0x520 [ 325.902086] ? bpf_prog_get+0x20/0x20 [ 325.905912] ? do_syscall_64+0x1b9/0x820 [ 325.909973] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 325.915356] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.920281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.925126] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.930148] ? prepare_exit_to_usermode+0x291/0x3b0 [ 325.935175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.940023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 325.945427] warn_alloc_show_mem: 1 callbacks suppressed [ 325.945439] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 325.945441] Mem-Info: [ 325.945486] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 325.945486] active_file:12 inactive_file:11 isolated_file:0 [ 325.945486] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.945486] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 325.945486] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 325.945486] free:13794 free_pcp:515 free_cma:0 [ 325.950822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.957783] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 325.957792] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 325.960217] Call Trace: [ 325.993083] lowmem_reserve[]: 0 2818 6321 6321 [ 326.002451] dump_stack+0x244/0x39d [ 326.029925] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 326.056039] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.058591] lowmem_reserve[]: 0 0 3503 3503 [ 326.063176] warn_alloc.cold.116+0xb7/0x1bd [ 326.066771] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 326.094089] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.099254] lowmem_reserve[]: 0 0 0 0 [ 326.103570] ? lock_downgrade+0x900/0x900 [ 326.107862] 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 [ 326.136932] ? trace_hardirqs_off+0xb8/0x310 [ 326.141743] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 326.145540] ? trace_hardirqs_off+0xb8/0x310 [ 326.149662] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 326.163184] __alloc_pages_slowpath+0x2651/0x2de0 [ 326.167582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 326.182591] ? warn_alloc+0x120/0x120 [ 326.186956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 326.201944] ? print_usage_bug+0xc0/0xc0 [ 326.206758] 267 total pagecache pages [ 326.215586] ? warn_alloc+0x120/0x120 [ 326.219367] 0 pages in swap cache [ 326.227974] ? warn_alloc+0x120/0x120 [ 326.232014] Swap cache stats: add 0, delete 0, find 0/0 [ 326.235807] ? print_usage_bug+0xc0/0xc0 [ 326.239599] Free swap = 0kB [ 326.243048] ? print_usage_bug+0xc0/0xc0 [ 326.246827] Total swap = 0kB [ 326.252182] ? __lock_acquire+0x62f/0x4c20 [ 326.256219] 1965979 pages RAM [ 326.259269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.263303] 0 pages HighMem/MovableOnly [ 326.266334] ? should_fail+0x22d/0xd01 [ 326.270541] 342854 pages reserved [ 326.273654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.279164] 0 pages cma reserved [ 326.283128] ? __lock_acquire+0x62f/0x4c20 [ 326.287051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.290436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.295579] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.298912] ? __lock_acquire+0x62f/0x4c20 [ 326.303120] syz-executor0 cpuset=syz0 mems_allowed=0 [ 326.309604] ? should_fail+0x22d/0xd01 [ 326.338342] ? find_held_lock+0x36/0x1c0 [ 326.342411] ? mark_held_locks+0x130/0x130 [ 326.346656] ? mark_held_locks+0x130/0x130 [ 326.350898] ? zap_class+0x640/0x640 [ 326.354624] ? mark_held_locks+0xc7/0x130 [ 326.358768] ? do_raw_spin_unlock+0xa7/0x330 [ 326.363180] ? zap_class+0x640/0x640 [ 326.366905] ? print_usage_bug+0xc0/0xc0 [ 326.370974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.376531] ? check_preemption_disabled+0x48/0x280 [ 326.381560] ? __lock_is_held+0xb5/0x140 [ 326.385632] __alloc_pages_nodemask+0xad8/0xea0 [ 326.390304] ? zap_class+0x640/0x640 [ 326.394024] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 326.399050] ? find_held_lock+0x36/0x1c0 [ 326.403126] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.407827] ? lock_downgrade+0x900/0x900 [ 326.411984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.417528] cache_grow_begin+0xa5/0x8c0 [ 326.421616] ? do_raw_spin_unlock+0xa7/0x330 [ 326.426033] fallback_alloc+0x204/0x2e0 [ 326.430018] ____cache_alloc_node+0x1c7/0x1e0 [ 326.434520] kmem_cache_alloc_node+0xe3/0x730 [ 326.439016] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.443260] __alloc_skb+0x119/0x770 [ 326.446976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.452266] ? netdev_alloc_frag+0x1f0/0x1f0 [ 326.456677] ? lock_downgrade+0x900/0x900 [ 326.460833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.466374] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.471825] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 326.477273] ? addrconf_rs_timer+0x690/0x690 [ 326.481693] ndisc_alloc_skb+0x144/0x340 [ 326.485757] ndisc_send_rs+0x331/0x6e0 [ 326.489662] addrconf_rs_timer+0x314/0x690 [ 326.493917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.498180] call_timer_fn+0x272/0x920 [ 326.502067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.506318] ? process_timeout+0x40/0x40 [ 326.510386] ? __run_timers+0x7da/0xc70 [ 326.514368] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.518862] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.523370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.527608] ? lockdep_hardirqs_on+0x296/0x5b0 [ 326.532194] ? trace_hardirqs_on+0xbd/0x310 [ 326.536521] ? kasan_check_read+0x11/0x20 [ 326.540667] ? __run_timers+0x7da/0xc70 [ 326.544644] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.549751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.553990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.558222] __run_timers+0x7e5/0xc70 [ 326.562032] ? timer_fixup_init+0x70/0x70 [ 326.566202] ? find_held_lock+0x36/0x1c0 [ 326.570270] ? __schedule+0x168a/0x21d0 [ 326.574262] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.578768] ? pvclock_read_flags+0x160/0x160 [ 326.583264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.588816] ? check_preemption_disabled+0x48/0x280 [ 326.593848] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 326.599398] ? rcu_pm_notify+0xc0/0xc0 [ 326.603305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.608842] ? check_preemption_disabled+0x48/0x280 [ 326.613883] run_timer_softirq+0x52/0xb0 [ 326.617955] ? rcu_read_lock_sched_held+0x14f/0x180 [ 326.622976] __do_softirq+0x308/0xb7e [ 326.626780] ? retint_kernel+0x2d/0x2d [ 326.630677] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 326.635785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.641253] ? finish_task_switch+0x2f4/0x910 [ 326.645755] ? schedule+0x108/0x460 [ 326.649393] ? trace_hardirqs_off+0xb8/0x310 [ 326.653801] ? smpboot_thread_fn+0x68b/0xa00 [ 326.658214] ? trace_hardirqs_on+0x310/0x310 [ 326.662624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.668162] ? check_preemption_disabled+0x48/0x280 [ 326.673178] ? takeover_tasklets+0xa90/0xa90 [ 326.677592] run_ksoftirqd+0x5e/0x100 [ 326.681395] smpboot_thread_fn+0x68b/0xa00 [ 326.685654] ? sort_range+0x30/0x30 [ 326.689315] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 326.694416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.699953] ? __kthread_parkme+0xfb/0x1a0 [ 326.704190] ? sort_range+0x30/0x30 [ 326.707820] kthread+0x35a/0x440 [ 326.711190] ? kthread_stop+0x900/0x900 [ 326.715170] ret_from_fork+0x3a/0x50 [ 326.718953] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 326.719026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.726312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.726317] Call Trace: [ 326.726324] [ 326.726345] dump_stack+0x244/0x39d [ 326.726364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.732903] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.742191] warn_alloc.cold.116+0xb7/0x1bd [ 326.744746] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 326.746896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.779767] ? lock_downgrade+0x900/0x900 [ 326.783929] ? trace_hardirqs_off+0xb8/0x310 [ 326.788347] ? trace_hardirqs_off+0xb8/0x310 [ 326.792766] __alloc_pages_slowpath+0x2651/0x2de0 [ 326.797642] ? warn_alloc+0x120/0x120 [ 326.801445] ? print_usage_bug+0xc0/0xc0 [ 326.805510] ? warn_alloc+0x120/0x120 [ 326.809318] ? warn_alloc+0x120/0x120 [ 326.813119] ? print_usage_bug+0xc0/0xc0 [ 326.817187] ? print_usage_bug+0xc0/0xc0 [ 326.821254] ? __lock_acquire+0x62f/0x4c20 [ 326.825494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.831045] ? should_fail+0x22d/0xd01 [ 326.834956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.840060] ? __lock_acquire+0x62f/0x4c20 [ 326.844305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.849453] ? __lock_acquire+0x62f/0x4c20 [ 326.853684] ? should_fail+0x22d/0xd01 [ 326.857583] ? find_held_lock+0x36/0x1c0 [ 326.861652] ? mark_held_locks+0x130/0x130 [ 326.865900] ? mark_held_locks+0x130/0x130 [ 326.870133] ? zap_class+0x640/0x640 [ 326.873846] ? zap_class+0x640/0x640 [ 326.877570] ? print_usage_bug+0xc0/0xc0 [ 326.881628] ? do_raw_spin_unlock+0xa7/0x330 [ 326.886038] ? zap_class+0x640/0x640 [ 326.889750] ? print_usage_bug+0xc0/0xc0 [ 326.893812] ? wq_watchdog_touch+0x9c/0xfe [ 326.898050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.903591] ? check_preemption_disabled+0x48/0x280 [ 326.908627] ? __lock_is_held+0xb5/0x140 [ 326.912695] __alloc_pages_nodemask+0xad8/0xea0 [ 326.917364] ? zap_class+0x640/0x640 [ 326.921090] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 326.926119] ? find_held_lock+0x36/0x1c0 [ 326.930191] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.934860] ? lock_downgrade+0x900/0x900 [ 326.939024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.944566] cache_grow_begin+0xa5/0x8c0 [ 326.948628] ? do_raw_spin_unlock+0xa7/0x330 [ 326.953046] fallback_alloc+0x204/0x2e0 [ 326.957038] ____cache_alloc_node+0x1c7/0x1e0 [ 326.961539] kmem_cache_alloc_node+0xe3/0x730 [ 326.966041] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.970287] __alloc_skb+0x119/0x770 [ 326.974005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.979285] ? netdev_alloc_frag+0x1f0/0x1f0 [ 326.983697] ? lock_downgrade+0x900/0x900 [ 326.987878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.993450] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.998913] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.004381] ? addrconf_rs_timer+0x690/0x690 [ 327.008821] ndisc_alloc_skb+0x144/0x340 [ 327.012894] ndisc_send_rs+0x331/0x6e0 [ 327.016788] addrconf_rs_timer+0x314/0x690 [ 327.021029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.025289] call_timer_fn+0x272/0x920 [ 327.029216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.033462] ? process_timeout+0x40/0x40 [ 327.037528] ? __run_timers+0x7da/0xc70 [ 327.041506] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.046003] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.050498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.054734] ? lockdep_hardirqs_on+0x296/0x5b0 [ 327.059322] ? trace_hardirqs_on+0xbd/0x310 [ 327.063648] ? kasan_check_read+0x11/0x20 [ 327.067799] ? __run_timers+0x7da/0xc70 [ 327.071776] ? trace_hardirqs_off_caller+0x310/0x310 [ 327.076894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.081138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.085403] __run_timers+0x7e5/0xc70 [ 327.089217] ? timer_fixup_init+0x70/0x70 [ 327.093841] ? kasan_check_read+0x11/0x20 [ 327.098019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.103294] ? rcu_softirq_qs+0x20/0x20 [ 327.107270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.112813] ? check_preemption_disabled+0x48/0x280 [ 327.117851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 327.122633] ? retint_kernel+0x2d/0x2d [ 327.126522] ? trace_hardirqs_on_caller+0xc0/0x310 [ 327.131454] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 327.136227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.141681] ? zap_class+0x640/0x640 [ 327.145405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.150945] ? check_preemption_disabled+0x48/0x280 [ 327.155970] ? __lock_is_held+0xb5/0x140 [ 327.160036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.165587] ? check_preemption_disabled+0x48/0x280 [ 327.170640] run_timer_softirq+0x52/0xb0 [ 327.174730] ? rcu_read_lock_sched_held+0x14f/0x180 [ 327.179764] __do_softirq+0x308/0xb7e [ 327.183599] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 327.188099] ? lock_downgrade+0x900/0x900 [ 327.192274] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 327.197404] ? pvclock_read_flags+0x160/0x160 [ 327.201906] ? lapic_next_event+0x5a/0x90 [ 327.206062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.211616] ? kvm_clock_read+0x18/0x30 [ 327.215601] ? kvm_sched_clock_read+0x9/0x20 [ 327.220029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.225573] ? check_preemption_disabled+0x48/0x280 [ 327.230615] irq_exit+0x17f/0x1c0 [ 327.234089] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.238938] ? smp_call_function_single_interrupt+0x159/0x650 [ 327.244827] ? smp_call_function_single_interrupt+0x650/0x650 [ 327.250713] ? interrupt_entry+0xb5/0xc0 [ 327.254805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.259831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.264865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.269717] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.274731] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.279748] ? task_prio+0x50/0x50 [ 327.283291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.288827] ? check_preemption_disabled+0x48/0x280 [ 327.293849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.298706] apic_timer_interrupt+0xf/0x20 [ 327.302935] [ 327.305175] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 327.311063] 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 [ 327.329959] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 327.337664] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 327.344934] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 327.352217] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 327.359512] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 327.366778] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 327.374070] ? save_stack+0xa9/0xd0 [ 327.377708] __kmalloc_node_track_caller+0x3c/0x70 [ 327.382643] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 327.387413] pskb_expand_head+0x230/0x10f0 [ 327.391657] ? memcpy+0x45/0x50 [ 327.394942] ? __copy_skb_header+0x350/0x6b0 [ 327.399365] ? skb_release_data+0x880/0x880 [ 327.403712] ? __alloc_skb+0x770/0x770 [ 327.407614] ? __lock_is_held+0xb5/0x140 [ 327.411684] ? kasan_check_write+0x14/0x20 [ 327.415917] ? __skb_clone+0x6c7/0xa00 [ 327.419809] ? __copy_skb_header+0x6b0/0x6b0 [ 327.424242] ? kmem_cache_alloc+0x33a/0x730 [ 327.428567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.434114] skb_ensure_writable+0x3dd/0x640 [ 327.438528] ? skb_checksum_setup+0xaa0/0xaa0 [ 327.443025] ? preempt_notifier_register+0x200/0x200 [ 327.448126] ? __switch_to_asm+0x34/0x70 [ 327.452190] ? __switch_to_asm+0x34/0x70 [ 327.456263] ? __switch_to_asm+0x40/0x70 [ 327.460324] ? __switch_to_asm+0x34/0x70 [ 327.464383] ? __switch_to_asm+0x40/0x70 [ 327.468447] ? __switch_to_asm+0x40/0x70 [ 327.472520] ? __switch_to_asm+0x34/0x70 [ 327.476577] ? __switch_to_asm+0x34/0x70 [ 327.480653] ? __switch_to_asm+0x40/0x70 [ 327.484723] ? __switch_to_asm+0x34/0x70 [ 327.488790] bpf_clone_redirect+0x14a/0x490 [ 327.493124] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 327.498059] ? __sched_text_start+0x8/0x8 [ 327.502209] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 327.506786] ? retint_kernel+0x2d/0x2d [ 327.510673] ? trace_hardirqs_on_caller+0xc0/0x310 [ 327.515610] ? find_held_lock+0x36/0x1c0 [ 327.519695] ? lock_acquire+0x1ed/0x520 [ 327.523668] ? bpf_test_run+0x3cb/0x780 [ 327.527640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.533181] ? check_preemption_disabled+0x48/0x280 [ 327.538219] ? kasan_check_read+0x11/0x20 [ 327.542368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.547647] ? rcu_softirq_qs+0x20/0x20 [ 327.551637] ? preempt_schedule+0x4d/0x60 [ 327.555808] ? ___preempt_schedule+0x16/0x18 [ 327.560228] ? bpf_test_run+0x25d/0x780 [ 327.564217] ? netlink_diag_dump+0x2a0/0x2a0 [ 327.568647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.574181] ? bpf_test_init.isra.10+0x70/0x100 [ 327.578859] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 327.583646] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.588488] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.594028] ? fput+0x130/0x1a0 [ 327.597312] ? __bpf_prog_get+0x9b/0x290 [ 327.601379] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.606228] ? bpf_prog_test_run+0x130/0x1a0 [ 327.610638] ? __x64_sys_bpf+0x3d8/0x520 [ 327.614702] ? bpf_prog_get+0x20/0x20 [ 327.618522] ? do_syscall_64+0x1b9/0x820 [ 327.622586] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 327.627961] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.632912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.637755] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.642776] ? prepare_exit_to_usermode+0x291/0x3b0 [ 327.647891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.652738] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 327.658127] warn_alloc_show_mem: 1 callbacks suppressed [ 327.658138] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 327.658140] Mem-Info: [ 327.658172] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 327.658172] active_file:12 inactive_file:11 isolated_file:0 [ 327.658172] unevictable:0 dirty:0 writeback:0 unstable:0 [ 327.658172] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 327.658172] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 327.658172] free:13794 free_pcp:515 free_cma:0 [ 327.663507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.670348] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 327.672746] Call Trace: [ 327.705637] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 327.715001] dump_stack+0x244/0x39d [ 327.742466] lowmem_reserve[]: 0 2818 6321 6321 [ 327.745060] ? dump_stack_print_info.cold.1+0x20/0x20 [ 327.771138] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 327.774762] warn_alloc.cold.116+0xb7/0x1bd [ 327.779308] lowmem_reserve[]: 0 0 3503 3503 [ 327.784491] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.811787] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 327.816106] ? lock_downgrade+0x900/0x900 [ 327.820401] lowmem_reserve[]: 0 0 0 0 [ 327.825245] ? trace_hardirqs_off+0xb8/0x310 [ 327.854291] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 327.858436] ? trace_hardirqs_off+0xb8/0x310 [ 327.862209] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 327.866613] __alloc_pages_slowpath+0x2651/0x2de0 [ 327.880107] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 327.884534] ? warn_alloc+0x120/0x120 [ 327.899492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 327.904328] ? print_usage_bug+0xc0/0xc0 [ 327.919309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 327.923098] ? warn_alloc+0x120/0x120 [ 327.931933] 267 total pagecache pages [ 327.935985] ? warn_alloc+0x120/0x120 [ 327.944543] 0 pages in swap cache [ 327.948338] ? print_usage_bug+0xc0/0xc0 [ 327.952106] Swap cache stats: add 0, delete 0, find 0/0 [ 327.952115] Free swap = 0kB [ 327.955919] ? print_usage_bug+0xc0/0xc0 [ 327.959466] Total swap = 0kB [ 327.959475] 1965979 pages RAM [ 327.963530] ? __lock_acquire+0x62f/0x4c20 [ 327.968867] 0 pages HighMem/MovableOnly [ 327.971905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.975935] 342854 pages reserved [ 327.978953] ? should_fail+0x22d/0xd01 [ 327.982035] 0 pages cma reserved [ 327.986261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.990273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.995742] ? __lock_acquire+0x62f/0x4c20 [ 327.999257] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.003061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.006403] syz-executor0 cpuset=syz0 mems_allowed=0 [ 328.011501] ? __lock_acquire+0x62f/0x4c20 [ 328.047080] ? should_fail+0x22d/0xd01 [ 328.050970] ? find_held_lock+0x36/0x1c0 [ 328.055042] ? mark_held_locks+0x130/0x130 [ 328.059314] ? mark_held_locks+0x130/0x130 [ 328.063557] ? zap_class+0x640/0x640 [ 328.067272] ? zap_class+0x640/0x640 [ 328.070985] ? print_usage_bug+0xc0/0xc0 [ 328.075061] ? do_raw_spin_unlock+0xa7/0x330 [ 328.079472] ? zap_class+0x640/0x640 [ 328.083190] ? print_usage_bug+0xc0/0xc0 [ 328.087262] ? wq_watchdog_touch+0x9c/0xfe [ 328.091496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.097036] ? check_preemption_disabled+0x48/0x280 [ 328.102064] ? __lock_is_held+0xb5/0x140 [ 328.106133] __alloc_pages_nodemask+0xad8/0xea0 [ 328.110800] ? zap_class+0x640/0x640 [ 328.114516] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 328.119541] ? find_held_lock+0x36/0x1c0 [ 328.123609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.128276] ? lock_downgrade+0x900/0x900 [ 328.132448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.137990] cache_grow_begin+0xa5/0x8c0 [ 328.142049] ? do_raw_spin_unlock+0xa7/0x330 [ 328.146465] fallback_alloc+0x204/0x2e0 [ 328.150445] ____cache_alloc_node+0x1c7/0x1e0 [ 328.154980] kmem_cache_alloc_node+0xe3/0x730 [ 328.159490] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.163735] __alloc_skb+0x119/0x770 [ 328.167449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.172745] ? netdev_alloc_frag+0x1f0/0x1f0 [ 328.177152] ? lock_downgrade+0x900/0x900 [ 328.181301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.186836] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.192302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.197749] ? addrconf_rs_timer+0x690/0x690 [ 328.202169] ndisc_alloc_skb+0x144/0x340 [ 328.206235] ndisc_send_rs+0x331/0x6e0 [ 328.210130] addrconf_rs_timer+0x314/0x690 [ 328.214371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.218613] call_timer_fn+0x272/0x920 [ 328.222496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.226729] ? process_timeout+0x40/0x40 [ 328.230797] ? __run_timers+0x7da/0xc70 [ 328.234770] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.239259] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.243751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.247998] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.252582] ? trace_hardirqs_on+0xbd/0x310 [ 328.256926] ? kasan_check_read+0x11/0x20 [ 328.261140] ? __run_timers+0x7da/0xc70 [ 328.265131] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.270251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.274490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.278720] __run_timers+0x7e5/0xc70 [ 328.282529] ? timer_fixup_init+0x70/0x70 [ 328.286707] ? find_held_lock+0x36/0x1c0 [ 328.290788] ? __schedule+0x168a/0x21d0 [ 328.294765] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.299274] ? pvclock_read_flags+0x160/0x160 [ 328.303785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.309326] ? check_preemption_disabled+0x48/0x280 [ 328.314352] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 328.319900] ? rcu_pm_notify+0xc0/0xc0 [ 328.323792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.329343] ? check_preemption_disabled+0x48/0x280 [ 328.334397] run_timer_softirq+0x52/0xb0 [ 328.338458] ? rcu_read_lock_sched_held+0x14f/0x180 [ 328.343477] __do_softirq+0x308/0xb7e [ 328.347283] ? retint_kernel+0x2d/0x2d [ 328.351179] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 328.356284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.361732] ? finish_task_switch+0x2f4/0x910 [ 328.366235] ? schedule+0x108/0x460 [ 328.369880] ? trace_hardirqs_off+0xb8/0x310 [ 328.374301] ? smpboot_thread_fn+0x68b/0xa00 [ 328.378710] ? trace_hardirqs_on+0x310/0x310 [ 328.383118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.388658] ? check_preemption_disabled+0x48/0x280 [ 328.393678] ? takeover_tasklets+0xa90/0xa90 [ 328.398090] run_ksoftirqd+0x5e/0x100 [ 328.401909] smpboot_thread_fn+0x68b/0xa00 [ 328.406146] ? sort_range+0x30/0x30 [ 328.409773] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.414906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.420446] ? __kthread_parkme+0xfb/0x1a0 [ 328.424689] ? sort_range+0x30/0x30 [ 328.428314] kthread+0x35a/0x440 [ 328.431682] ? kthread_stop+0x900/0x900 [ 328.435657] ret_from_fork+0x3a/0x50 [ 328.439389] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 328.439465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 328.446767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.446772] Call Trace: [ 328.446778] [ 328.446795] dump_stack+0x244/0x39d [ 328.446812] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.453351] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.462642] warn_alloc.cold.116+0xb7/0x1bd [ 328.465196] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 328.467341] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.500222] ? lock_downgrade+0x900/0x900 [ 328.504399] ? trace_hardirqs_off+0xb8/0x310 [ 328.508827] ? trace_hardirqs_off+0xb8/0x310 [ 328.513244] __alloc_pages_slowpath+0x2651/0x2de0 [ 328.518122] ? warn_alloc+0x120/0x120 [ 328.521923] ? print_usage_bug+0xc0/0xc0 [ 328.525990] ? warn_alloc+0x120/0x120 [ 328.529798] ? warn_alloc+0x120/0x120 [ 328.533601] ? print_usage_bug+0xc0/0xc0 [ 328.537658] ? kvm_clock_read+0x18/0x30 [ 328.541645] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 328.546677] ? print_usage_bug+0xc0/0xc0 [ 328.550743] ? __lock_acquire+0x62f/0x4c20 [ 328.554985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.560526] ? should_fail+0x22d/0xd01 [ 328.564414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.569692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.574799] ? __lock_acquire+0x62f/0x4c20 [ 328.579052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.584159] ? __lock_acquire+0x62f/0x4c20 [ 328.588399] ? should_fail+0x22d/0xd01 [ 328.592283] ? rcu_irq_exit+0x1a2/0x390 [ 328.596270] ? mark_held_locks+0x130/0x130 [ 328.600512] ? mark_held_locks+0x130/0x130 [ 328.604753] ? mark_held_locks+0xc7/0x130 [ 328.608933] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 328.613973] ? zap_class+0x640/0x640 [ 328.617704] ? print_usage_bug+0xc0/0xc0 [ 328.621768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.627303] ? check_preemption_disabled+0x48/0x280 [ 328.632327] ? __lock_is_held+0xb5/0x140 [ 328.636400] __alloc_pages_nodemask+0xad8/0xea0 [ 328.641066] ? zap_class+0x640/0x640 [ 328.644786] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 328.649815] ? find_held_lock+0x36/0x1c0 [ 328.653910] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.658580] ? lock_downgrade+0x900/0x900 [ 328.662734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.668279] cache_grow_begin+0xa5/0x8c0 [ 328.672338] ? do_raw_spin_unlock+0xa7/0x330 [ 328.676758] fallback_alloc+0x204/0x2e0 [ 328.680743] ____cache_alloc_node+0x1c7/0x1e0 [ 328.685249] kmem_cache_alloc_node+0xe3/0x730 [ 328.689757] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.694002] __alloc_skb+0x119/0x770 [ 328.697717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.703015] ? netdev_alloc_frag+0x1f0/0x1f0 [ 328.707430] ? lock_downgrade+0x900/0x900 [ 328.711582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.717116] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.722568] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.728021] ? addrconf_rs_timer+0x690/0x690 [ 328.732442] ndisc_alloc_skb+0x144/0x340 [ 328.736503] ndisc_send_rs+0x331/0x6e0 [ 328.740391] addrconf_rs_timer+0x314/0x690 [ 328.744635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.748886] call_timer_fn+0x272/0x920 [ 328.752774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.757023] ? process_timeout+0x40/0x40 [ 328.761087] ? __run_timers+0x7da/0xc70 [ 328.765059] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.769549] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.774056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.778304] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.782918] ? trace_hardirqs_on+0xbd/0x310 [ 328.787256] ? kasan_check_read+0x11/0x20 [ 328.791406] ? __run_timers+0x7da/0xc70 [ 328.795380] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.800490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.804742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.808973] __run_timers+0x7e5/0xc70 [ 328.812795] ? timer_fixup_init+0x70/0x70 [ 328.816945] ? kasan_check_read+0x11/0x20 [ 328.821095] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.826408] ? rcu_softirq_qs+0x20/0x20 [ 328.830384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.835936] ? check_preemption_disabled+0x48/0x280 [ 328.840960] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.845749] ? retint_kernel+0x2d/0x2d [ 328.849638] ? trace_hardirqs_on_caller+0xc0/0x310 [ 328.854570] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.859326] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.864776] ? zap_class+0x640/0x640 [ 328.868494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.874036] ? check_preemption_disabled+0x48/0x280 [ 328.879096] ? __lock_is_held+0xb5/0x140 [ 328.883164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.888715] ? check_preemption_disabled+0x48/0x280 [ 328.893735] run_timer_softirq+0x52/0xb0 [ 328.897812] ? rcu_read_lock_sched_held+0x14f/0x180 [ 328.902827] __do_softirq+0x308/0xb7e [ 328.906658] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 328.911156] ? lock_downgrade+0x900/0x900 [ 328.915323] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 328.920438] ? pvclock_read_flags+0x160/0x160 [ 328.924939] ? lapic_next_event+0x5a/0x90 [ 328.929084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.934628] ? kvm_clock_read+0x18/0x30 [ 328.938603] ? kvm_sched_clock_read+0x9/0x20 [ 328.943011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.948548] ? check_preemption_disabled+0x48/0x280 [ 328.953573] irq_exit+0x17f/0x1c0 [ 328.957028] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.961880] ? smp_call_function_single_interrupt+0x159/0x650 [ 328.967767] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.973648] ? interrupt_entry+0xb5/0xc0 [ 328.977710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.982743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.987763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.992604] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.997619] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.002637] ? task_prio+0x50/0x50 [ 329.006207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.011744] ? check_preemption_disabled+0x48/0x280 [ 329.016767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.021645] apic_timer_interrupt+0xf/0x20 [ 329.025882] [ 329.028135] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 329.034024] 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 [ 329.052930] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 329.060634] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 329.067898] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 329.075164] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 329.082428] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 329.090154] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 329.097447] ? save_stack+0xa9/0xd0 [ 329.101101] __kmalloc_node_track_caller+0x3c/0x70 [ 329.106035] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 329.110797] pskb_expand_head+0x230/0x10f0 [ 329.115038] ? memcpy+0x45/0x50 [ 329.118319] ? __copy_skb_header+0x350/0x6b0 [ 329.122732] ? skb_release_data+0x880/0x880 [ 329.127051] ? __alloc_skb+0x770/0x770 [ 329.130965] ? __lock_is_held+0xb5/0x140 [ 329.135038] ? kasan_check_write+0x14/0x20 [ 329.139271] ? __skb_clone+0x6c7/0xa00 [ 329.143180] ? __copy_skb_header+0x6b0/0x6b0 [ 329.147589] ? kmem_cache_alloc+0x33a/0x730 [ 329.151912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.157460] skb_ensure_writable+0x3dd/0x640 [ 329.161882] ? skb_checksum_setup+0xaa0/0xaa0 [ 329.166380] ? preempt_notifier_register+0x200/0x200 [ 329.171493] ? __switch_to_asm+0x34/0x70 [ 329.175553] ? __switch_to_asm+0x34/0x70 [ 329.179628] ? __switch_to_asm+0x40/0x70 [ 329.183685] ? __switch_to_asm+0x34/0x70 [ 329.187744] ? __switch_to_asm+0x40/0x70 [ 329.191801] ? __switch_to_asm+0x40/0x70 [ 329.195885] ? __switch_to_asm+0x34/0x70 [ 329.199946] ? __switch_to_asm+0x34/0x70 [ 329.204013] ? __switch_to_asm+0x40/0x70 [ 329.208072] ? __switch_to_asm+0x34/0x70 [ 329.212135] bpf_clone_redirect+0x14a/0x490 [ 329.216499] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 329.221437] ? __sched_text_start+0x8/0x8 [ 329.225586] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 329.230167] ? retint_kernel+0x2d/0x2d [ 329.234072] ? trace_hardirqs_on_caller+0xc0/0x310 [ 329.239018] ? find_held_lock+0x36/0x1c0 [ 329.243100] ? lock_acquire+0x1ed/0x520 [ 329.247076] ? bpf_test_run+0x3cb/0x780 [ 329.251052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.256604] ? check_preemption_disabled+0x48/0x280 [ 329.261637] ? kasan_check_read+0x11/0x20 [ 329.265782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.271062] ? rcu_softirq_qs+0x20/0x20 [ 329.275053] ? preempt_schedule+0x4d/0x60 [ 329.279198] ? ___preempt_schedule+0x16/0x18 [ 329.283613] ? bpf_test_run+0x25d/0x780 [ 329.287600] ? netlink_diag_dump+0x2a0/0x2a0 [ 329.292018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.297574] ? bpf_test_init.isra.10+0x70/0x100 [ 329.302256] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 329.307023] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 329.311868] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.317419] ? fput+0x130/0x1a0 [ 329.320701] ? __bpf_prog_get+0x9b/0x290 [ 329.324795] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 329.329635] ? bpf_prog_test_run+0x130/0x1a0 [ 329.334056] ? __x64_sys_bpf+0x3d8/0x520 [ 329.338137] ? bpf_prog_get+0x20/0x20 [ 329.341959] ? do_syscall_64+0x1b9/0x820 [ 329.346047] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 329.351418] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.356350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.361197] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.366217] ? prepare_exit_to_usermode+0x291/0x3b0 [ 329.371239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.376090] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.381471] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 329.381476] warn_alloc_show_mem: 1 callbacks suppressed [ 329.381483] Mem-Info: [ 329.388331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.393715] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 329.393715] active_file:12 inactive_file:11 isolated_file:0 [ 329.393715] unevictable:0 dirty:0 writeback:0 unstable:0 [ 329.393715] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 329.393715] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 329.393715] free:13794 free_pcp:515 free_cma:0 [ 329.396084] Call Trace: [ 329.405471] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 329.438324] dump_stack+0x244/0x39d [ 329.440889] 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 [ 329.468387] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.471992] lowmem_reserve[]: 0 2818 6321 6321 [ 329.498102] warn_alloc.cold.116+0xb7/0x1bd [ 329.503257] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 329.507830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.512127] lowmem_reserve[]: 0 0 3503 3503 [ 329.539447] ? lock_downgrade+0x900/0x900 [ 329.544263] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 329.548582] ? trace_hardirqs_off+0xb8/0x310 [ 329.552698] lowmem_reserve[]: 0 0 0 0 [ 329.581761] ? trace_hardirqs_off+0xb8/0x310 [ 329.586142] 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 [ 329.589945] __alloc_pages_slowpath+0x2651/0x2de0 [ 329.594324] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 329.607859] ? warn_alloc+0x120/0x120 [ 329.612653] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 329.627663] ? print_usage_bug+0xc0/0xc0 [ 329.631445] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 329.646432] ? warn_alloc+0x120/0x120 [ 329.650484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 329.659308] ? warn_alloc+0x120/0x120 [ 329.663088] 267 total pagecache pages [ 329.671655] ? print_usage_bug+0xc0/0xc0 [ 329.675435] 0 pages in swap cache [ 329.679224] ? print_usage_bug+0xc0/0xc0 [ 329.683266] Swap cache stats: add 0, delete 0, find 0/0 [ 329.686712] ? __lock_acquire+0x62f/0x4c20 [ 329.690747] Free swap = 0kB [ 329.696102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.700308] Total swap = 0kB [ 329.703319] ? should_fail+0x22d/0xd01 [ 329.708827] 1965979 pages RAM [ 329.711881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.715739] 0 pages HighMem/MovableOnly [ 329.718835] ? __lock_acquire+0x62f/0x4c20 [ 329.723921] 342854 pages reserved [ 329.727907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.732110] 0 pages cma reserved [ 329.735556] ? __lock_acquire+0x62f/0x4c20 [ 329.740725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.744003] ? should_fail+0x22d/0xd01 [ 329.744019] ? find_held_lock+0x36/0x1c0 [ 329.748319] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.754726] ? mark_held_locks+0x130/0x130 [ 329.758584] syz-executor0 cpuset=syz0 mems_allowed=0 [ 329.762636] ? mark_held_locks+0x130/0x130 [ 329.786628] ? zap_class+0x640/0x640 [ 329.790340] ? zap_class+0x640/0x640 [ 329.794058] ? print_usage_bug+0xc0/0xc0 [ 329.798116] ? do_raw_spin_unlock+0xa7/0x330 [ 329.802522] ? zap_class+0x640/0x640 [ 329.806237] ? print_usage_bug+0xc0/0xc0 [ 329.810295] ? wq_watchdog_touch+0x9c/0xfe [ 329.814533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.820070] ? check_preemption_disabled+0x48/0x280 [ 329.825095] ? __lock_is_held+0xb5/0x140 [ 329.829177] __alloc_pages_nodemask+0xad8/0xea0 [ 329.833844] ? zap_class+0x640/0x640 [ 329.837569] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 329.842598] ? find_held_lock+0x36/0x1c0 [ 329.846669] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.851346] ? lock_downgrade+0x900/0x900 [ 329.855505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.861044] cache_grow_begin+0xa5/0x8c0 [ 329.865121] ? do_raw_spin_unlock+0xa7/0x330 [ 329.869553] fallback_alloc+0x204/0x2e0 [ 329.873549] ____cache_alloc_node+0x1c7/0x1e0 [ 329.878051] kmem_cache_alloc_node+0xe3/0x730 [ 329.882564] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.886822] __alloc_skb+0x119/0x770 [ 329.890535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.895832] ? netdev_alloc_frag+0x1f0/0x1f0 [ 329.900243] ? lock_downgrade+0x900/0x900 [ 329.904410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.909951] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.915402] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.920854] ? addrconf_rs_timer+0x690/0x690 [ 329.925294] ndisc_alloc_skb+0x144/0x340 [ 329.929392] ndisc_send_rs+0x331/0x6e0 [ 329.933305] addrconf_rs_timer+0x314/0x690 [ 329.937542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.941789] call_timer_fn+0x272/0x920 [ 329.945675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.949915] ? process_timeout+0x40/0x40 [ 329.954014] ? __run_timers+0x7da/0xc70 [ 329.958465] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.962977] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.967489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.971730] ? lockdep_hardirqs_on+0x296/0x5b0 [ 329.976333] ? trace_hardirqs_on+0xbd/0x310 [ 329.980663] ? kasan_check_read+0x11/0x20 [ 329.984837] ? __run_timers+0x7da/0xc70 [ 329.988815] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.993929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.998168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.002481] __run_timers+0x7e5/0xc70 [ 330.006294] ? timer_fixup_init+0x70/0x70 [ 330.010491] ? find_held_lock+0x36/0x1c0 [ 330.014576] ? __schedule+0x168a/0x21d0 [ 330.018564] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.023086] ? pvclock_read_flags+0x160/0x160 [ 330.027585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.033129] ? check_preemption_disabled+0x48/0x280 [ 330.038158] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 330.043695] ? rcu_pm_notify+0xc0/0xc0 [ 330.047598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.053134] ? check_preemption_disabled+0x48/0x280 [ 330.058168] run_timer_softirq+0x52/0xb0 [ 330.062364] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.067392] __do_softirq+0x308/0xb7e [ 330.071198] ? retint_kernel+0x2d/0x2d [ 330.075098] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.080205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.085658] ? finish_task_switch+0x2f4/0x910 [ 330.090175] ? schedule+0x108/0x460 [ 330.093815] ? trace_hardirqs_off+0xb8/0x310 [ 330.098224] ? smpboot_thread_fn+0x68b/0xa00 [ 330.102630] ? trace_hardirqs_on+0x310/0x310 [ 330.107041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.112577] ? check_preemption_disabled+0x48/0x280 [ 330.117594] ? takeover_tasklets+0xa90/0xa90 [ 330.122002] run_ksoftirqd+0x5e/0x100 [ 330.125806] smpboot_thread_fn+0x68b/0xa00 [ 330.130043] ? sort_range+0x30/0x30 [ 330.133671] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.138775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.144328] ? __kthread_parkme+0xfb/0x1a0 [ 330.148581] ? sort_range+0x30/0x30 [ 330.152206] kthread+0x35a/0x440 [ 330.155572] ? kthread_stop+0x900/0x900 [ 330.159546] ret_from_fork+0x3a/0x50 [ 330.163278] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 330.163351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.170635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.170640] Call Trace: [ 330.170646] [ 330.170663] dump_stack+0x244/0x39d [ 330.170680] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.177237] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.186592] warn_alloc.cold.116+0xb7/0x1bd [ 330.189146] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 330.191293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.224199] ? lock_downgrade+0x900/0x900 [ 330.228355] ? trace_hardirqs_off+0xb8/0x310 [ 330.232798] ? trace_hardirqs_off+0xb8/0x310 [ 330.237240] __alloc_pages_slowpath+0x2651/0x2de0 [ 330.242119] ? warn_alloc+0x120/0x120 [ 330.245934] ? print_usage_bug+0xc0/0xc0 [ 330.249996] ? warn_alloc+0x120/0x120 [ 330.253793] ? warn_alloc+0x120/0x120 [ 330.257589] ? print_usage_bug+0xc0/0xc0 [ 330.261647] ? kvm_clock_read+0x18/0x30 [ 330.265620] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 330.270635] ? print_usage_bug+0xc0/0xc0 [ 330.274699] ? __lock_acquire+0x62f/0x4c20 [ 330.278941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.284476] ? should_fail+0x22d/0xd01 [ 330.288360] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.293642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.298745] ? __lock_acquire+0x62f/0x4c20 [ 330.302988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.308091] ? __lock_acquire+0x62f/0x4c20 [ 330.312323] ? should_fail+0x22d/0xd01 [ 330.316237] ? rcu_irq_exit+0x1a2/0x390 [ 330.320232] ? mark_held_locks+0x130/0x130 [ 330.324482] ? mark_held_locks+0x130/0x130 [ 330.328719] ? mark_held_locks+0xc7/0x130 [ 330.332863] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 330.337907] ? zap_class+0x640/0x640 [ 330.341639] ? print_usage_bug+0xc0/0xc0 [ 330.345704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.351240] ? check_preemption_disabled+0x48/0x280 [ 330.356282] ? __lock_is_held+0xb5/0x140 [ 330.360347] __alloc_pages_nodemask+0xad8/0xea0 [ 330.365018] ? zap_class+0x640/0x640 [ 330.368734] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 330.373758] ? find_held_lock+0x36/0x1c0 [ 330.377826] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.382493] ? lock_downgrade+0x900/0x900 [ 330.386641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.392192] cache_grow_begin+0xa5/0x8c0 [ 330.396251] ? do_raw_spin_unlock+0xa7/0x330 [ 330.400663] fallback_alloc+0x204/0x2e0 [ 330.404639] ____cache_alloc_node+0x1c7/0x1e0 [ 330.409141] kmem_cache_alloc_node+0xe3/0x730 [ 330.413639] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.417887] __alloc_skb+0x119/0x770 [ 330.421608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.426895] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.431304] ? lock_downgrade+0x900/0x900 [ 330.435459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.440995] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.446448] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.451905] ? addrconf_rs_timer+0x690/0x690 [ 330.456340] ndisc_alloc_skb+0x144/0x340 [ 330.460412] ndisc_send_rs+0x331/0x6e0 [ 330.464309] addrconf_rs_timer+0x314/0x690 [ 330.468547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.472785] call_timer_fn+0x272/0x920 [ 330.476672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.480906] ? process_timeout+0x40/0x40 [ 330.484975] ? __run_timers+0x7da/0xc70 [ 330.488988] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.493479] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.497970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.502221] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.506801] ? trace_hardirqs_on+0xbd/0x310 [ 330.511140] ? kasan_check_read+0x11/0x20 [ 330.515292] ? __run_timers+0x7da/0xc70 [ 330.519268] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.524385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.528645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.532886] __run_timers+0x7e5/0xc70 [ 330.536699] ? timer_fixup_init+0x70/0x70 [ 330.540845] ? kasan_check_read+0x11/0x20 [ 330.545012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.550287] ? rcu_softirq_qs+0x20/0x20 [ 330.554282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.559820] ? check_preemption_disabled+0x48/0x280 [ 330.564860] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.569639] ? retint_kernel+0x2d/0x2d [ 330.573529] ? trace_hardirqs_on_caller+0xc0/0x310 [ 330.578458] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.583213] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.588666] ? zap_class+0x640/0x640 [ 330.592384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.597924] ? check_preemption_disabled+0x48/0x280 [ 330.602954] ? __lock_is_held+0xb5/0x140 [ 330.607034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.612569] ? check_preemption_disabled+0x48/0x280 [ 330.617590] run_timer_softirq+0x52/0xb0 [ 330.621653] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.626670] __do_softirq+0x308/0xb7e [ 330.630474] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 330.634973] ? lock_downgrade+0x900/0x900 [ 330.639131] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.644250] ? pvclock_read_flags+0x160/0x160 [ 330.648751] ? lapic_next_event+0x5a/0x90 [ 330.652915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.658478] ? kvm_clock_read+0x18/0x30 [ 330.662449] ? kvm_sched_clock_read+0x9/0x20 [ 330.666863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.672415] ? check_preemption_disabled+0x48/0x280 [ 330.677440] irq_exit+0x17f/0x1c0 [ 330.680897] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.685758] ? smp_call_function_single_interrupt+0x159/0x650 [ 330.691658] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.697542] ? interrupt_entry+0xb5/0xc0 [ 330.701603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.706617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.711633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.716484] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.721500] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.726543] ? task_prio+0x50/0x50 [ 330.730090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.735625] ? check_preemption_disabled+0x48/0x280 [ 330.740647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.745497] apic_timer_interrupt+0xf/0x20 [ 330.749738] [ 330.751978] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 330.757895] 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 [ 330.776791] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.784489] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 330.791762] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 330.799023] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 330.806285] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 330.813550] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 330.820839] ? save_stack+0xa9/0xd0 [ 330.824476] __kmalloc_node_track_caller+0x3c/0x70 [ 330.829412] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 330.834176] pskb_expand_head+0x230/0x10f0 [ 330.838416] ? memcpy+0x45/0x50 [ 330.841725] ? __copy_skb_header+0x350/0x6b0 [ 330.846134] ? skb_release_data+0x880/0x880 [ 330.850453] ? __alloc_skb+0x770/0x770 [ 330.854350] ? __lock_is_held+0xb5/0x140 [ 330.858421] ? kasan_check_write+0x14/0x20 [ 330.862671] ? __skb_clone+0x6c7/0xa00 [ 330.866560] ? __copy_skb_header+0x6b0/0x6b0 [ 330.870965] ? kmem_cache_alloc+0x33a/0x730 [ 330.875308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.880853] skb_ensure_writable+0x3dd/0x640 [ 330.885273] ? skb_checksum_setup+0xaa0/0xaa0 [ 330.889772] ? preempt_notifier_register+0x200/0x200 [ 330.894881] ? __switch_to_asm+0x34/0x70 [ 330.898943] ? __switch_to_asm+0x34/0x70 [ 330.903002] ? __switch_to_asm+0x40/0x70 [ 330.907064] ? __switch_to_asm+0x34/0x70 [ 330.911125] ? __switch_to_asm+0x40/0x70 [ 330.915189] ? __switch_to_asm+0x40/0x70 [ 330.919252] ? __switch_to_asm+0x34/0x70 [ 330.923313] ? __switch_to_asm+0x34/0x70 [ 330.927371] ? __switch_to_asm+0x40/0x70 [ 330.931437] ? __switch_to_asm+0x34/0x70 [ 330.935501] bpf_clone_redirect+0x14a/0x490 [ 330.939830] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 330.944765] ? __sched_text_start+0x8/0x8 [ 330.948936] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 330.953518] ? retint_kernel+0x2d/0x2d [ 330.957437] ? trace_hardirqs_on_caller+0xc0/0x310 [ 330.962401] ? find_held_lock+0x36/0x1c0 [ 330.966505] ? lock_acquire+0x1ed/0x520 [ 330.970482] ? bpf_test_run+0x3cb/0x780 [ 330.974457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.980007] ? check_preemption_disabled+0x48/0x280 [ 330.985039] ? kasan_check_read+0x11/0x20 [ 330.989186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.994466] ? rcu_softirq_qs+0x20/0x20 [ 330.998443] ? preempt_schedule+0x4d/0x60 [ 331.002593] ? ___preempt_schedule+0x16/0x18 [ 331.007011] ? bpf_test_run+0x25d/0x780 [ 331.011002] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.015419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.020961] ? bpf_test_init.isra.10+0x70/0x100 [ 331.025637] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 331.030410] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.035252] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.040816] ? fput+0x130/0x1a0 [ 331.044099] ? __bpf_prog_get+0x9b/0x290 [ 331.048170] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.053012] ? bpf_prog_test_run+0x130/0x1a0 [ 331.057426] ? __x64_sys_bpf+0x3d8/0x520 [ 331.061486] ? bpf_prog_get+0x20/0x20 [ 331.065325] ? do_syscall_64+0x1b9/0x820 [ 331.069387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.074757] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.079709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.084567] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.089589] ? prepare_exit_to_usermode+0x291/0x3b0 [ 331.095073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.099923] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.105310] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 331.105316] warn_alloc_show_mem: 1 callbacks suppressed [ 331.105323] Mem-Info: [ 331.112170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.117535] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 331.117535] active_file:12 inactive_file:11 isolated_file:0 [ 331.117535] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.117535] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 331.117535] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 331.117535] free:13794 free_pcp:515 free_cma:0 [ 331.119935] Call Trace: [ 331.129353] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 331.162206] dump_stack+0x244/0x39d [ 331.164767] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 331.192259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.195857] lowmem_reserve[]: 0 2818 6321 6321 [ 331.221981] warn_alloc.cold.116+0xb7/0x1bd [ 331.227135] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 331.231708] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.236006] lowmem_reserve[]: 0 0 3503 3503 [ 331.263336] ? lock_downgrade+0x900/0x900 [ 331.268151] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 331.272469] ? trace_hardirqs_off+0xb8/0x310 [ 331.276587] lowmem_reserve[]: 0 0 0 0 [ 331.305639] ? trace_hardirqs_off+0xb8/0x310 [ 331.310034] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 331.313831] __alloc_pages_slowpath+0x2651/0x2de0 [ 331.318208] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 331.331752] ? warn_alloc+0x120/0x120 [ 331.336542] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 331.351536] ? print_usage_bug+0xc0/0xc0 [ 331.355340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 331.370343] ? warn_alloc+0x120/0x120 [ 331.374389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 331.383220] ? warn_alloc+0x120/0x120 [ 331.386995] 267 total pagecache pages [ 331.395557] ? print_usage_bug+0xc0/0xc0 [ 331.399339] 0 pages in swap cache [ 331.403133] ? print_usage_bug+0xc0/0xc0 [ 331.407173] Swap cache stats: add 0, delete 0, find 0/0 [ 331.410620] ? __lock_acquire+0x62f/0x4c20 [ 331.414654] Free swap = 0kB [ 331.420011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.424216] Total swap = 0kB [ 331.427229] ? should_fail+0x22d/0xd01 [ 331.432742] 1965979 pages RAM [ 331.435754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.439612] 0 pages HighMem/MovableOnly [ 331.442712] ? __lock_acquire+0x62f/0x4c20 [ 331.447793] 342854 pages reserved [ 331.451772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.455981] 0 pages cma reserved [ 331.459427] ? __lock_acquire+0x62f/0x4c20 [ 331.464589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.467894] ? should_fail+0x22d/0xd01 [ 331.467914] ? find_held_lock+0x36/0x1c0 [ 331.467935] ? mark_held_locks+0x130/0x130 [ 331.472201] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.478631] ? mark_held_locks+0x130/0x130 [ 331.482494] syz-executor0 cpuset=syz0 mems_allowed=0 [ 331.486565] ? zap_class+0x640/0x640 [ 331.514278] ? mark_held_locks+0xc7/0x130 [ 331.518438] ? do_raw_spin_unlock+0xa7/0x330 [ 331.522844] ? zap_class+0x640/0x640 [ 331.526583] ? print_usage_bug+0xc0/0xc0 [ 331.530651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.536190] ? check_preemption_disabled+0x48/0x280 [ 331.541220] ? __lock_is_held+0xb5/0x140 [ 331.545292] __alloc_pages_nodemask+0xad8/0xea0 [ 331.549963] ? zap_class+0x640/0x640 [ 331.553681] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 331.558709] ? find_held_lock+0x36/0x1c0 [ 331.562784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.567452] ? lock_downgrade+0x900/0x900 [ 331.571609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.577152] cache_grow_begin+0xa5/0x8c0 [ 331.581211] ? do_raw_spin_unlock+0xa7/0x330 [ 331.585632] fallback_alloc+0x204/0x2e0 [ 331.589612] ____cache_alloc_node+0x1c7/0x1e0 [ 331.594115] kmem_cache_alloc_node+0xe3/0x730 [ 331.598610] ? ipv6_get_ifaddr+0x42e/0x620 [ 331.602859] __alloc_skb+0x119/0x770 [ 331.606582] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.611862] ? netdev_alloc_frag+0x1f0/0x1f0 [ 331.616297] ? lock_downgrade+0x900/0x900 [ 331.620464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.625999] ? refcount_sub_and_test_checked+0x203/0x310 [ 331.631467] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 331.636937] ? addrconf_rs_timer+0x690/0x690 [ 331.641375] ndisc_alloc_skb+0x144/0x340 [ 331.645468] ndisc_send_rs+0x331/0x6e0 [ 331.649376] addrconf_rs_timer+0x314/0x690 [ 331.653616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.657860] call_timer_fn+0x272/0x920 [ 331.661757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.665990] ? process_timeout+0x40/0x40 [ 331.670057] ? __run_timers+0x7da/0xc70 [ 331.674034] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.678528] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.683017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.687250] ? lockdep_hardirqs_on+0x296/0x5b0 [ 331.691834] ? trace_hardirqs_on+0xbd/0x310 [ 331.696157] ? kasan_check_read+0x11/0x20 [ 331.700301] ? __run_timers+0x7da/0xc70 [ 331.704279] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.709389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.713628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.717861] __run_timers+0x7e5/0xc70 [ 331.721683] ? timer_fixup_init+0x70/0x70 [ 331.725860] ? find_held_lock+0x36/0x1c0 [ 331.729957] ? __schedule+0x168a/0x21d0 [ 331.733933] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.738457] ? pvclock_read_flags+0x160/0x160 [ 331.742956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.748493] ? check_preemption_disabled+0x48/0x280 [ 331.753520] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 331.759092] ? rcu_pm_notify+0xc0/0xc0 [ 331.762979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.768512] ? check_preemption_disabled+0x48/0x280 [ 331.773531] run_timer_softirq+0x52/0xb0 [ 331.777610] ? rcu_read_lock_sched_held+0x14f/0x180 [ 331.782627] __do_softirq+0x308/0xb7e [ 331.786430] ? retint_kernel+0x2d/0x2d [ 331.790322] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 331.795456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.800913] ? finish_task_switch+0x2f4/0x910 [ 331.805419] ? schedule+0x108/0x460 [ 331.809055] ? trace_hardirqs_off+0xb8/0x310 [ 331.813465] ? smpboot_thread_fn+0x68b/0xa00 [ 331.817885] ? trace_hardirqs_on+0x310/0x310 [ 331.822304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.827840] ? check_preemption_disabled+0x48/0x280 [ 331.832867] ? takeover_tasklets+0xa90/0xa90 [ 331.837286] run_ksoftirqd+0x5e/0x100 [ 331.841089] smpboot_thread_fn+0x68b/0xa00 [ 331.845359] ? sort_range+0x30/0x30 [ 331.848986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.854102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.859639] ? __kthread_parkme+0xfb/0x1a0 [ 331.863883] ? sort_range+0x30/0x30 [ 331.867511] kthread+0x35a/0x440 [ 331.870883] ? kthread_stop+0x900/0x900 [ 331.874859] ret_from_fork+0x3a/0x50 [ 331.878604] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 331.878680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.885961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.885967] Call Trace: [ 331.885973] [ 331.885991] dump_stack+0x244/0x39d [ 331.886010] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.892550] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.901848] warn_alloc.cold.116+0xb7/0x1bd [ 331.904405] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 331.906554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.939431] ? lock_downgrade+0x900/0x900 [ 331.943585] ? trace_hardirqs_off+0xb8/0x310 [ 331.948002] ? trace_hardirqs_off+0xb8/0x310 [ 331.952434] __alloc_pages_slowpath+0x2651/0x2de0 [ 331.957316] ? warn_alloc+0x120/0x120 [ 331.961218] ? print_usage_bug+0xc0/0xc0 [ 331.965282] ? warn_alloc+0x120/0x120 [ 331.969083] ? warn_alloc+0x120/0x120 [ 331.972895] ? print_usage_bug+0xc0/0xc0 [ 331.976964] ? print_usage_bug+0xc0/0xc0 [ 331.981043] ? __lock_acquire+0x62f/0x4c20 [ 331.985283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.990819] ? should_fail+0x22d/0xd01 [ 331.994710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.999811] ? __lock_acquire+0x62f/0x4c20 [ 332.004049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.009150] ? __lock_acquire+0x62f/0x4c20 [ 332.013400] ? should_fail+0x22d/0xd01 [ 332.017305] ? find_held_lock+0x36/0x1c0 [ 332.021377] ? mark_held_locks+0x130/0x130 [ 332.025624] ? mark_held_locks+0x130/0x130 [ 332.029860] ? zap_class+0x640/0x640 [ 332.033585] ? zap_class+0x640/0x640 [ 332.037306] ? print_usage_bug+0xc0/0xc0 [ 332.041401] ? do_raw_spin_unlock+0xa7/0x330 [ 332.045823] ? zap_class+0x640/0x640 [ 332.049536] ? print_usage_bug+0xc0/0xc0 [ 332.053596] ? wq_watchdog_touch+0x9c/0xfe [ 332.057843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.063410] ? check_preemption_disabled+0x48/0x280 [ 332.068441] ? __lock_is_held+0xb5/0x140 [ 332.072510] __alloc_pages_nodemask+0xad8/0xea0 [ 332.077177] ? zap_class+0x640/0x640 [ 332.080902] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 332.085933] ? find_held_lock+0x36/0x1c0 [ 332.090004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.094676] ? lock_downgrade+0x900/0x900 [ 332.098832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.104378] cache_grow_begin+0xa5/0x8c0 [ 332.108446] ? do_raw_spin_unlock+0xa7/0x330 [ 332.112865] fallback_alloc+0x204/0x2e0 [ 332.116857] ____cache_alloc_node+0x1c7/0x1e0 [ 332.121392] kmem_cache_alloc_node+0xe3/0x730 [ 332.125904] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.130168] __alloc_skb+0x119/0x770 [ 332.133890] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.139178] ? netdev_alloc_frag+0x1f0/0x1f0 [ 332.143585] ? lock_downgrade+0x900/0x900 [ 332.147735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.153274] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.158750] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.164205] ? addrconf_rs_timer+0x690/0x690 [ 332.168640] ndisc_alloc_skb+0x144/0x340 [ 332.172723] ndisc_send_rs+0x331/0x6e0 [ 332.176615] addrconf_rs_timer+0x314/0x690 [ 332.180855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.185121] call_timer_fn+0x272/0x920 [ 332.189011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.193248] ? process_timeout+0x40/0x40 [ 332.197315] ? __run_timers+0x7da/0xc70 [ 332.201295] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.205785] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.210276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.214513] ? lockdep_hardirqs_on+0x296/0x5b0 [ 332.219100] ? trace_hardirqs_on+0xbd/0x310 [ 332.223427] ? kasan_check_read+0x11/0x20 [ 332.227569] ? __run_timers+0x7da/0xc70 [ 332.231543] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.236651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.240895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.245131] __run_timers+0x7e5/0xc70 [ 332.248944] ? timer_fixup_init+0x70/0x70 [ 332.253088] ? kasan_check_read+0x11/0x20 [ 332.257233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.262512] ? rcu_softirq_qs+0x20/0x20 [ 332.266491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.272030] ? check_preemption_disabled+0x48/0x280 [ 332.277049] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 332.281808] ? retint_kernel+0x2d/0x2d [ 332.285691] ? trace_hardirqs_on_caller+0xc0/0x310 [ 332.290618] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 332.295377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.300828] ? zap_class+0x640/0x640 [ 332.304573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.310114] ? check_preemption_disabled+0x48/0x280 [ 332.315143] ? __lock_is_held+0xb5/0x140 [ 332.319207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.324771] ? check_preemption_disabled+0x48/0x280 [ 332.329793] run_timer_softirq+0x52/0xb0 [ 332.333856] ? rcu_read_lock_sched_held+0x14f/0x180 [ 332.338929] __do_softirq+0x308/0xb7e [ 332.342736] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 332.347230] ? lock_downgrade+0x900/0x900 [ 332.351381] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 332.356492] ? pvclock_read_flags+0x160/0x160 [ 332.360987] ? lapic_next_event+0x5a/0x90 [ 332.365138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.370703] ? kvm_clock_read+0x18/0x30 [ 332.374678] ? kvm_sched_clock_read+0x9/0x20 [ 332.379107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.384657] ? check_preemption_disabled+0x48/0x280 [ 332.389683] irq_exit+0x17f/0x1c0 [ 332.393135] smp_apic_timer_interrupt+0x1cb/0x760 [ 332.397980] ? smp_call_function_single_interrupt+0x159/0x650 [ 332.403861] ? smp_call_function_single_interrupt+0x650/0x650 [ 332.409769] ? interrupt_entry+0xb5/0xc0 [ 332.413834] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.418849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.423911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.428765] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.433782] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.438801] ? task_prio+0x50/0x50 [ 332.442341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.447882] ? check_preemption_disabled+0x48/0x280 [ 332.452910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.457759] apic_timer_interrupt+0xf/0x20 [ 332.461988] [ 332.464230] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 332.470113] 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 [ 332.489014] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 332.496719] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 332.503987] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 332.511255] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 332.518522] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 332.525787] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 332.533079] ? save_stack+0xa9/0xd0 [ 332.536716] __kmalloc_node_track_caller+0x3c/0x70 [ 332.541663] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 332.546427] pskb_expand_head+0x230/0x10f0 [ 332.550682] ? memcpy+0x45/0x50 [ 332.553978] ? __copy_skb_header+0x350/0x6b0 [ 332.558386] ? skb_release_data+0x880/0x880 [ 332.562720] ? __alloc_skb+0x770/0x770 [ 332.566616] ? __lock_is_held+0xb5/0x140 [ 332.570679] ? kasan_check_write+0x14/0x20 [ 332.574915] ? __skb_clone+0x6c7/0xa00 [ 332.578803] ? __copy_skb_header+0x6b0/0x6b0 [ 332.583211] ? kmem_cache_alloc+0x33a/0x730 [ 332.587542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.593088] skb_ensure_writable+0x3dd/0x640 [ 332.597498] ? skb_checksum_setup+0xaa0/0xaa0 [ 332.602013] ? preempt_notifier_register+0x200/0x200 [ 332.607113] ? __switch_to_asm+0x34/0x70 [ 332.611174] ? __switch_to_asm+0x34/0x70 [ 332.615231] ? __switch_to_asm+0x40/0x70 [ 332.619300] ? __switch_to_asm+0x34/0x70 [ 332.623360] ? __switch_to_asm+0x40/0x70 [ 332.627422] ? __switch_to_asm+0x40/0x70 [ 332.631487] ? __switch_to_asm+0x34/0x70 [ 332.635549] ? __switch_to_asm+0x34/0x70 [ 332.639609] ? __switch_to_asm+0x40/0x70 [ 332.643671] ? __switch_to_asm+0x34/0x70 [ 332.647746] bpf_clone_redirect+0x14a/0x490 [ 332.652081] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 332.657018] ? __sched_text_start+0x8/0x8 [ 332.661176] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 332.665760] ? retint_kernel+0x2d/0x2d [ 332.669650] ? trace_hardirqs_on_caller+0xc0/0x310 [ 332.674586] ? find_held_lock+0x36/0x1c0 [ 332.678657] ? lock_acquire+0x1ed/0x520 [ 332.682636] ? bpf_test_run+0x3cb/0x780 [ 332.686610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.692149] ? check_preemption_disabled+0x48/0x280 [ 332.697176] ? kasan_check_read+0x11/0x20 [ 332.701323] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.706598] ? rcu_softirq_qs+0x20/0x20 [ 332.710580] ? preempt_schedule+0x4d/0x60 [ 332.714733] ? ___preempt_schedule+0x16/0x18 [ 332.719156] ? bpf_test_run+0x25d/0x780 [ 332.723141] ? netlink_diag_dump+0x2a0/0x2a0 [ 332.727555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.733092] ? bpf_test_init.isra.10+0x70/0x100 [ 332.737772] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 332.742539] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 332.747384] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 332.752929] ? fput+0x130/0x1a0 [ 332.756215] ? __bpf_prog_get+0x9b/0x290 [ 332.760283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 332.765127] ? bpf_prog_test_run+0x130/0x1a0 [ 332.769538] ? __x64_sys_bpf+0x3d8/0x520 [ 332.773611] ? bpf_prog_get+0x20/0x20 [ 332.777453] ? do_syscall_64+0x1b9/0x820 [ 332.781526] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 332.786945] ? syscall_return_slowpath+0x5e0/0x5e0 [ 332.791885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.796741] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.801764] ? prepare_exit_to_usermode+0x291/0x3b0 [ 332.806788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.811640] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.817020] warn_alloc_show_mem: 1 callbacks suppressed [ 332.817032] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 332.817033] Mem-Info: [ 332.817064] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 332.817064] active_file:12 inactive_file:11 isolated_file:0 [ 332.817064] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.817064] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 332.817064] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 332.817064] free:13794 free_pcp:515 free_cma:0 [ 332.822411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.829251] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.831654] Call Trace: [ 332.864519] 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 [ 332.873885] dump_stack+0x244/0x39d [ 332.901352] lowmem_reserve[]: 0 2818 6321 6321 [ 332.903944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.930024] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 332.933655] warn_alloc.cold.116+0xb7/0x1bd [ 332.938198] lowmem_reserve[]: 0 0 3503 3503 [ 332.943380] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.970681] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 332.975002] ? lock_downgrade+0x900/0x900 [ 332.979292] lowmem_reserve[]: 0 0 0 0 [ 332.984131] ? trace_hardirqs_off+0xb8/0x310 [ 333.013168] 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 [ 333.017328] ? trace_hardirqs_off+0xb8/0x310 [ 333.021101] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 333.025503] __alloc_pages_slowpath+0x2651/0x2de0 [ 333.038992] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 333.043419] ? warn_alloc+0x120/0x120 [ 333.058380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 333.063220] ? print_usage_bug+0xc0/0xc0 [ 333.078196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 333.081981] ? warn_alloc+0x120/0x120 [ 333.091288] 267 total pagecache pages [ 333.095356] ? warn_alloc+0x120/0x120 [ 333.103913] 0 pages in swap cache [ 333.107698] ? print_usage_bug+0xc0/0xc0 [ 333.111474] Swap cache stats: add 0, delete 0, find 0/0 [ 333.115261] ? print_usage_bug+0xc0/0xc0 [ 333.118705] Free swap = 0kB [ 333.122772] ? __lock_acquire+0x62f/0x4c20 [ 333.128108] Total swap = 0kB [ 333.132164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.135154] 1965979 pages RAM [ 333.139418] ? should_fail+0x22d/0xd01 [ 333.142410] 0 pages HighMem/MovableOnly [ 333.147939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.151037] 342854 pages reserved [ 333.154936] ? __lock_acquire+0x62f/0x4c20 [ 333.158913] 0 pages cma reserved [ 333.164024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.167511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.171674] ? __lock_acquire+0x62f/0x4c20 [ 333.171689] ? should_fail+0x22d/0xd01 [ 333.175104] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.180141] ? find_held_lock+0x36/0x1c0 [ 333.186607] syz-executor0 cpuset=syz0 mems_allowed=0 [ 333.190841] ? mark_held_locks+0x130/0x130 [ 333.218541] ? mark_held_locks+0x130/0x130 [ 333.222777] ? zap_class+0x640/0x640 [ 333.226494] ? zap_class+0x640/0x640 [ 333.230209] ? print_usage_bug+0xc0/0xc0 [ 333.234266] ? do_raw_spin_unlock+0xa7/0x330 [ 333.238673] ? zap_class+0x640/0x640 [ 333.242386] ? print_usage_bug+0xc0/0xc0 [ 333.246447] ? wq_watchdog_touch+0x9c/0xfe [ 333.250704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.256260] ? check_preemption_disabled+0x48/0x280 [ 333.261291] ? __lock_is_held+0xb5/0x140 [ 333.265374] __alloc_pages_nodemask+0xad8/0xea0 [ 333.270048] ? zap_class+0x640/0x640 [ 333.273768] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 333.278799] ? find_held_lock+0x36/0x1c0 [ 333.282882] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.287561] ? lock_downgrade+0x900/0x900 [ 333.291719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.297262] cache_grow_begin+0xa5/0x8c0 [ 333.301362] ? do_raw_spin_unlock+0xa7/0x330 [ 333.305793] fallback_alloc+0x204/0x2e0 [ 333.309773] ____cache_alloc_node+0x1c7/0x1e0 [ 333.314278] kmem_cache_alloc_node+0xe3/0x730 [ 333.318778] ? ipv6_get_ifaddr+0x42e/0x620 [ 333.323035] __alloc_skb+0x119/0x770 [ 333.326748] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.332030] ? netdev_alloc_frag+0x1f0/0x1f0 [ 333.336448] ? lock_downgrade+0x900/0x900 [ 333.340617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.346153] ? refcount_sub_and_test_checked+0x203/0x310 [ 333.351607] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 333.357056] ? addrconf_rs_timer+0x690/0x690 [ 333.361478] ndisc_alloc_skb+0x144/0x340 [ 333.365542] ndisc_send_rs+0x331/0x6e0 [ 333.369438] addrconf_rs_timer+0x314/0x690 [ 333.373675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.377928] call_timer_fn+0x272/0x920 [ 333.381833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.386071] ? process_timeout+0x40/0x40 [ 333.390140] ? __run_timers+0x7da/0xc70 [ 333.394118] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.398611] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.403106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.407349] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.411932] ? trace_hardirqs_on+0xbd/0x310 [ 333.416266] ? kasan_check_read+0x11/0x20 [ 333.420411] ? __run_timers+0x7da/0xc70 [ 333.424384] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.429491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.433735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.437966] __run_timers+0x7e5/0xc70 [ 333.441774] ? timer_fixup_init+0x70/0x70 [ 333.445938] ? find_held_lock+0x36/0x1c0 [ 333.450013] ? __schedule+0x168a/0x21d0 [ 333.453996] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.458503] ? pvclock_read_flags+0x160/0x160 [ 333.463003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.468538] ? check_preemption_disabled+0x48/0x280 [ 333.473565] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 333.479108] ? rcu_pm_notify+0xc0/0xc0 [ 333.482999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.488538] ? check_preemption_disabled+0x48/0x280 [ 333.493572] run_timer_softirq+0x52/0xb0 [ 333.497631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 333.502650] __do_softirq+0x308/0xb7e [ 333.506454] ? retint_kernel+0x2d/0x2d [ 333.510350] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 333.515452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.520913] ? finish_task_switch+0x2f4/0x910 [ 333.525414] ? schedule+0x108/0x460 [ 333.529054] ? trace_hardirqs_off+0xb8/0x310 [ 333.533458] ? smpboot_thread_fn+0x68b/0xa00 [ 333.537867] ? trace_hardirqs_on+0x310/0x310 [ 333.542292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.547831] ? check_preemption_disabled+0x48/0x280 [ 333.552849] ? takeover_tasklets+0xa90/0xa90 [ 333.557266] run_ksoftirqd+0x5e/0x100 [ 333.561080] smpboot_thread_fn+0x68b/0xa00 [ 333.565314] ? sort_range+0x30/0x30 [ 333.568942] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.574043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.579579] ? __kthread_parkme+0xfb/0x1a0 [ 333.583815] ? sort_range+0x30/0x30 [ 333.587437] kthread+0x35a/0x440 [ 333.590807] ? kthread_stop+0x900/0x900 [ 333.594782] ret_from_fork+0x3a/0x50 [ 333.598516] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 333.598614] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.605911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.605917] Call Trace: [ 333.605923] [ 333.605941] dump_stack+0x244/0x39d [ 333.605969] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.612491] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.621792] warn_alloc.cold.116+0xb7/0x1bd [ 333.624363] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 333.626505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.659367] ? lock_downgrade+0x900/0x900 [ 333.663559] ? trace_hardirqs_off+0xb8/0x310 [ 333.667976] ? trace_hardirqs_off+0xb8/0x310 [ 333.672393] __alloc_pages_slowpath+0x2651/0x2de0 [ 333.677268] ? warn_alloc+0x120/0x120 [ 333.681070] ? print_usage_bug+0xc0/0xc0 [ 333.685159] ? warn_alloc+0x120/0x120 [ 333.688979] ? warn_alloc+0x120/0x120 [ 333.692782] ? print_usage_bug+0xc0/0xc0 [ 333.696851] ? print_usage_bug+0xc0/0xc0 [ 333.700924] ? __lock_acquire+0x62f/0x4c20 [ 333.705164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.710716] ? should_fail+0x22d/0xd01 [ 333.714607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.719708] ? __lock_acquire+0x62f/0x4c20 [ 333.723948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.729049] ? __lock_acquire+0x62f/0x4c20 [ 333.733320] ? should_fail+0x22d/0xd01 [ 333.737218] ? find_held_lock+0x36/0x1c0 [ 333.741312] ? mark_held_locks+0x130/0x130 [ 333.745558] ? mark_held_locks+0x130/0x130 [ 333.749787] ? zap_class+0x640/0x640 [ 333.753516] ? zap_class+0x640/0x640 [ 333.757231] ? print_usage_bug+0xc0/0xc0 [ 333.761293] ? do_raw_spin_unlock+0xa7/0x330 [ 333.765703] ? zap_class+0x640/0x640 [ 333.769420] ? print_usage_bug+0xc0/0xc0 [ 333.773516] ? wq_watchdog_touch+0x9c/0xfe [ 333.777755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.783328] ? check_preemption_disabled+0x48/0x280 [ 333.788353] ? __lock_is_held+0xb5/0x140 [ 333.792424] __alloc_pages_nodemask+0xad8/0xea0 [ 333.797091] ? zap_class+0x640/0x640 [ 333.800809] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 333.805834] ? find_held_lock+0x36/0x1c0 [ 333.809912] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.814582] ? lock_downgrade+0x900/0x900 [ 333.818734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.824280] cache_grow_begin+0xa5/0x8c0 [ 333.828345] ? do_raw_spin_unlock+0xa7/0x330 [ 333.832775] fallback_alloc+0x204/0x2e0 [ 333.836761] ____cache_alloc_node+0x1c7/0x1e0 [ 333.841264] kmem_cache_alloc_node+0xe3/0x730 [ 333.845763] ? ipv6_get_ifaddr+0x42e/0x620 [ 333.850009] __alloc_skb+0x119/0x770 [ 333.853717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.858995] ? netdev_alloc_frag+0x1f0/0x1f0 [ 333.863411] ? lock_downgrade+0x900/0x900 [ 333.867563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.873098] ? refcount_sub_and_test_checked+0x203/0x310 [ 333.878556] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 333.884007] ? addrconf_rs_timer+0x690/0x690 [ 333.888434] ndisc_alloc_skb+0x144/0x340 [ 333.892504] ndisc_send_rs+0x331/0x6e0 [ 333.896401] addrconf_rs_timer+0x314/0x690 [ 333.900679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.904955] call_timer_fn+0x272/0x920 [ 333.908844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.913106] ? process_timeout+0x40/0x40 [ 333.917175] ? __run_timers+0x7da/0xc70 [ 333.921151] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.925647] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.930142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.934377] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.938970] ? trace_hardirqs_on+0xbd/0x310 [ 333.943290] ? kasan_check_read+0x11/0x20 [ 333.947441] ? __run_timers+0x7da/0xc70 [ 333.951419] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.956526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.960919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.965151] __run_timers+0x7e5/0xc70 [ 333.968968] ? timer_fixup_init+0x70/0x70 [ 333.973117] ? kasan_check_read+0x11/0x20 [ 333.977267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.982540] ? rcu_softirq_qs+0x20/0x20 [ 333.986517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.992058] ? check_preemption_disabled+0x48/0x280 [ 333.997079] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 334.001840] ? retint_kernel+0x2d/0x2d [ 334.005736] ? trace_hardirqs_on_caller+0xc0/0x310 [ 334.010665] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 334.015444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.020901] ? zap_class+0x640/0x640 [ 334.024619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.030186] ? check_preemption_disabled+0x48/0x280 [ 334.035213] ? __lock_is_held+0xb5/0x140 [ 334.039274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.044824] ? check_preemption_disabled+0x48/0x280 [ 334.049855] run_timer_softirq+0x52/0xb0 [ 334.053923] ? rcu_read_lock_sched_held+0x14f/0x180 [ 334.058955] __do_softirq+0x308/0xb7e [ 334.062789] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 334.067300] ? lock_downgrade+0x900/0x900 [ 334.071456] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 334.076566] ? pvclock_read_flags+0x160/0x160 [ 334.081065] ? lapic_next_event+0x5a/0x90 [ 334.085213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.090756] ? kvm_clock_read+0x18/0x30 [ 334.094731] ? kvm_sched_clock_read+0x9/0x20 [ 334.099138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.104692] ? check_preemption_disabled+0x48/0x280 [ 334.109717] irq_exit+0x17f/0x1c0 [ 334.113190] smp_apic_timer_interrupt+0x1cb/0x760 [ 334.118064] ? smp_call_function_single_interrupt+0x159/0x650 [ 334.123963] ? smp_call_function_single_interrupt+0x650/0x650 [ 334.129860] ? interrupt_entry+0xb5/0xc0 [ 334.133929] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.138955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.143985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.148826] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.153845] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.158870] ? task_prio+0x50/0x50 [ 334.162425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.167964] ? check_preemption_disabled+0x48/0x280 [ 334.172981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.177844] apic_timer_interrupt+0xf/0x20 [ 334.182076] [ 334.184323] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 334.190226] 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 [ 334.209125] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 334.216831] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 334.224101] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 334.231364] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 334.238636] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 334.245918] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 334.253213] ? save_stack+0xa9/0xd0 [ 334.256852] __kmalloc_node_track_caller+0x3c/0x70 [ 334.261806] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 334.266568] pskb_expand_head+0x230/0x10f0 [ 334.270821] ? memcpy+0x45/0x50 [ 334.274120] ? __copy_skb_header+0x350/0x6b0 [ 334.278529] ? skb_release_data+0x880/0x880 [ 334.282852] ? __alloc_skb+0x770/0x770 [ 334.286769] ? __lock_is_held+0xb5/0x140 [ 334.290844] ? kasan_check_write+0x14/0x20 [ 334.295084] ? __skb_clone+0x6c7/0xa00 [ 334.298994] ? __copy_skb_header+0x6b0/0x6b0 [ 334.303408] ? kmem_cache_alloc+0x33a/0x730 [ 334.307731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.313293] skb_ensure_writable+0x3dd/0x640 [ 334.317717] ? skb_checksum_setup+0xaa0/0xaa0 [ 334.322232] ? preempt_notifier_register+0x200/0x200 [ 334.327337] ? __switch_to_asm+0x34/0x70 [ 334.331395] ? __switch_to_asm+0x34/0x70 [ 334.335459] ? __switch_to_asm+0x40/0x70 [ 334.339517] ? __switch_to_asm+0x34/0x70 [ 334.343573] ? __switch_to_asm+0x40/0x70 [ 334.347632] ? __switch_to_asm+0x40/0x70 [ 334.351692] ? __switch_to_asm+0x34/0x70 [ 334.355753] ? __switch_to_asm+0x34/0x70 [ 334.359809] ? __switch_to_asm+0x40/0x70 [ 334.363866] ? __switch_to_asm+0x34/0x70 [ 334.367970] bpf_clone_redirect+0x14a/0x490 [ 334.372300] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 334.377234] ? __sched_text_start+0x8/0x8 [ 334.381388] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 334.385974] ? retint_kernel+0x2d/0x2d [ 334.389868] ? trace_hardirqs_on_caller+0xc0/0x310 [ 334.394815] ? find_held_lock+0x36/0x1c0 [ 334.398892] ? lock_acquire+0x1ed/0x520 [ 334.402868] ? bpf_test_run+0x3cb/0x780 [ 334.406852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.412402] ? check_preemption_disabled+0x48/0x280 [ 334.417428] ? kasan_check_read+0x11/0x20 [ 334.421577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.426856] ? rcu_softirq_qs+0x20/0x20 [ 334.430843] ? preempt_schedule+0x4d/0x60 [ 334.435005] ? ___preempt_schedule+0x16/0x18 [ 334.439426] ? bpf_test_run+0x25d/0x780 [ 334.443418] ? netlink_diag_dump+0x2a0/0x2a0 [ 334.447829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.453367] ? bpf_test_init.isra.10+0x70/0x100 [ 334.458049] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 334.462818] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.467661] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.473199] ? fput+0x130/0x1a0 [ 334.476483] ? __bpf_prog_get+0x9b/0x290 [ 334.480548] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.485393] ? bpf_prog_test_run+0x130/0x1a0 [ 334.489813] ? __x64_sys_bpf+0x3d8/0x520 [ 334.493883] ? bpf_prog_get+0x20/0x20 [ 334.497708] ? do_syscall_64+0x1b9/0x820 [ 334.501768] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 334.507134] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.512063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.516915] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.521942] ? prepare_exit_to_usermode+0x291/0x3b0 [ 334.526969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.531834] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.537216] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 334.537221] warn_alloc_show_mem: 1 callbacks suppressed [ 334.537228] Mem-Info: [ 334.544074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.549440] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 334.549440] active_file:12 inactive_file:11 isolated_file:0 [ 334.549440] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.549440] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 334.549440] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 334.549440] free:13794 free_pcp:515 free_cma:0 [ 334.551813] Call Trace: [ 334.561201] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.594054] dump_stack+0x244/0x39d [ 334.596616] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 334.624110] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.627709] lowmem_reserve[]: 0 2818 6321 6321 [ 334.653827] warn_alloc.cold.116+0xb7/0x1bd [ 334.658986] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 334.663573] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.667868] lowmem_reserve[]: 0 0 3503 3503 [ 334.695200] ? lock_downgrade+0x900/0x900 [ 334.700018] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 334.704332] ? trace_hardirqs_off+0xb8/0x310 [ 334.708450] lowmem_reserve[]: 0 0 0 0 [ 334.737502] ? trace_hardirqs_off+0xb8/0x310 [ 334.741917] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 334.745716] __alloc_pages_slowpath+0x2651/0x2de0 [ 334.750097] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 334.763633] ? warn_alloc+0x120/0x120 [ 334.768430] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 334.783434] ? print_usage_bug+0xc0/0xc0 [ 334.787210] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.802196] ? warn_alloc+0x120/0x120 [ 334.806238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.815065] ? warn_alloc+0x120/0x120 [ 334.818838] 267 total pagecache pages [ 334.827414] ? print_usage_bug+0xc0/0xc0 [ 334.827432] ? print_usage_bug+0xc0/0xc0 [ 334.831215] 0 pages in swap cache [ 334.835018] ? __lock_acquire+0x62f/0x4c20 [ 334.839062] Swap cache stats: add 0, delete 0, find 0/0 [ 334.843111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.846538] Free swap = 0kB [ 334.850826] ? should_fail+0x22d/0xd01 [ 334.856160] Total swap = 0kB [ 334.861705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.864711] 1965979 pages RAM [ 334.868613] ? __lock_acquire+0x62f/0x4c20 [ 334.871607] 0 pages HighMem/MovableOnly [ 334.876736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.879847] 342854 pages reserved [ 334.884076] ? __lock_acquire+0x62f/0x4c20 [ 334.888023] 0 pages cma reserved [ 334.893117] ? should_fail+0x22d/0xd01 [ 334.896630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 334.900773] ? find_held_lock+0x36/0x1c0 [ 334.904181] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.908001] ? mark_held_locks+0x130/0x130 [ 334.914462] syz-executor0 cpuset=syz0 mems_allowed=0 [ 334.918532] ? mark_held_locks+0x130/0x130 [ 334.942565] ? zap_class+0x640/0x640 [ 334.946296] ? zap_class+0x640/0x640 [ 334.950010] ? print_usage_bug+0xc0/0xc0 [ 334.954077] ? do_raw_spin_unlock+0xa7/0x330 [ 334.958970] ? zap_class+0x640/0x640 [ 334.962685] ? print_usage_bug+0xc0/0xc0 [ 334.966750] ? wq_watchdog_touch+0x9c/0xfe [ 334.970988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.976531] ? check_preemption_disabled+0x48/0x280 [ 334.981557] ? __lock_is_held+0xb5/0x140 [ 334.985623] __alloc_pages_nodemask+0xad8/0xea0 [ 334.990295] ? zap_class+0x640/0x640 [ 334.994012] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 334.999041] ? find_held_lock+0x36/0x1c0 [ 335.003112] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.007783] ? lock_downgrade+0x900/0x900 [ 335.011942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.017481] cache_grow_begin+0xa5/0x8c0 [ 335.021558] ? do_raw_spin_unlock+0xa7/0x330 [ 335.025993] fallback_alloc+0x204/0x2e0 [ 335.029973] ____cache_alloc_node+0x1c7/0x1e0 [ 335.034478] kmem_cache_alloc_node+0xe3/0x730 [ 335.038978] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.043227] __alloc_skb+0x119/0x770 [ 335.046945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.052226] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.056724] ? lock_downgrade+0x900/0x900 [ 335.060887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.066436] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.071903] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.077359] ? addrconf_rs_timer+0x690/0x690 [ 335.081797] ndisc_alloc_skb+0x144/0x340 [ 335.085866] ndisc_send_rs+0x331/0x6e0 [ 335.089793] addrconf_rs_timer+0x314/0x690 [ 335.094036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.098282] call_timer_fn+0x272/0x920 [ 335.102190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.106428] ? process_timeout+0x40/0x40 [ 335.110494] ? __run_timers+0x7da/0xc70 [ 335.114470] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.118964] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.123465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.127700] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.132293] ? trace_hardirqs_on+0xbd/0x310 [ 335.136612] ? kasan_check_read+0x11/0x20 [ 335.140757] ? __run_timers+0x7da/0xc70 [ 335.144729] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.149867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.154153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.158388] __run_timers+0x7e5/0xc70 [ 335.162208] ? timer_fixup_init+0x70/0x70 [ 335.166383] ? find_held_lock+0x36/0x1c0 [ 335.170460] ? __schedule+0x168a/0x21d0 [ 335.174432] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.178943] ? pvclock_read_flags+0x160/0x160 [ 335.183442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.188996] ? check_preemption_disabled+0x48/0x280 [ 335.194024] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 335.199578] ? rcu_pm_notify+0xc0/0xc0 [ 335.203471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.209007] ? check_preemption_disabled+0x48/0x280 [ 335.214025] run_timer_softirq+0x52/0xb0 [ 335.218087] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.223104] __do_softirq+0x308/0xb7e [ 335.226920] ? retint_kernel+0x2d/0x2d [ 335.230814] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.235918] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.241367] ? finish_task_switch+0x2f4/0x910 [ 335.245901] ? schedule+0x108/0x460 [ 335.249555] ? trace_hardirqs_off+0xb8/0x310 [ 335.253970] ? smpboot_thread_fn+0x68b/0xa00 [ 335.258394] ? trace_hardirqs_on+0x310/0x310 [ 335.262804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.268346] ? check_preemption_disabled+0x48/0x280 [ 335.273364] ? takeover_tasklets+0xa90/0xa90 [ 335.277800] run_ksoftirqd+0x5e/0x100 [ 335.281597] smpboot_thread_fn+0x68b/0xa00 [ 335.285831] ? sort_range+0x30/0x30 [ 335.289456] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.294558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.300098] ? __kthread_parkme+0xfb/0x1a0 [ 335.304336] ? sort_range+0x30/0x30 [ 335.307963] kthread+0x35a/0x440 [ 335.311333] ? kthread_stop+0x900/0x900 [ 335.315308] ret_from_fork+0x3a/0x50 [ 335.319053] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 335.319140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 335.326430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.326435] Call Trace: [ 335.326441] [ 335.326458] dump_stack+0x244/0x39d [ 335.326476] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.333014] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.342333] warn_alloc.cold.116+0xb7/0x1bd [ 335.344894] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 335.347041] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.379918] ? lock_downgrade+0x900/0x900 [ 335.384080] ? trace_hardirqs_off+0xb8/0x310 [ 335.388498] ? trace_hardirqs_off+0xb8/0x310 [ 335.392914] __alloc_pages_slowpath+0x2651/0x2de0 [ 335.397785] ? warn_alloc+0x120/0x120 [ 335.401586] ? print_usage_bug+0xc0/0xc0 [ 335.405646] ? warn_alloc+0x120/0x120 [ 335.409451] ? zap_class+0x640/0x640 [ 335.413166] ? warn_alloc+0x120/0x120 [ 335.416971] ? print_usage_bug+0xc0/0xc0 [ 335.421038] ? print_usage_bug+0xc0/0xc0 [ 335.425114] ? __lock_acquire+0x62f/0x4c20 [ 335.429359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.434907] ? should_fail+0x22d/0xd01 [ 335.438799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.443908] ? __lock_acquire+0x62f/0x4c20 [ 335.448149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.453253] ? __lock_acquire+0x62f/0x4c20 [ 335.457515] ? should_fail+0x22d/0xd01 [ 335.461411] ? find_held_lock+0x36/0x1c0 [ 335.465480] ? mark_held_locks+0x130/0x130 [ 335.469720] ? mark_held_locks+0x130/0x130 [ 335.473966] ? zap_class+0x640/0x640 [ 335.477684] ? zap_class+0x640/0x640 [ 335.481405] ? print_usage_bug+0xc0/0xc0 [ 335.485465] ? do_raw_spin_unlock+0xa7/0x330 [ 335.489885] ? zap_class+0x640/0x640 [ 335.493626] ? print_usage_bug+0xc0/0xc0 [ 335.497689] ? wq_watchdog_touch+0x9c/0xfe [ 335.501926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.507469] ? check_preemption_disabled+0x48/0x280 [ 335.512492] ? __lock_is_held+0xb5/0x140 [ 335.516558] __alloc_pages_nodemask+0xad8/0xea0 [ 335.521234] ? zap_class+0x640/0x640 [ 335.524957] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 335.529989] ? find_held_lock+0x36/0x1c0 [ 335.534062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.538735] ? lock_downgrade+0x900/0x900 [ 335.542898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.548442] cache_grow_begin+0xa5/0x8c0 [ 335.552506] ? do_raw_spin_unlock+0xa7/0x330 [ 335.556931] fallback_alloc+0x204/0x2e0 [ 335.560921] ____cache_alloc_node+0x1c7/0x1e0 [ 335.565428] kmem_cache_alloc_node+0xe3/0x730 [ 335.569929] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.574176] __alloc_skb+0x119/0x770 [ 335.577899] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.583183] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.587593] ? lock_downgrade+0x900/0x900 [ 335.591751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.597308] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.602791] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.608243] ? addrconf_rs_timer+0x690/0x690 [ 335.612663] ndisc_alloc_skb+0x144/0x340 [ 335.616729] ndisc_send_rs+0x331/0x6e0 [ 335.620620] addrconf_rs_timer+0x314/0x690 [ 335.624858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.629113] call_timer_fn+0x272/0x920 [ 335.633015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.637254] ? process_timeout+0x40/0x40 [ 335.641321] ? __run_timers+0x7da/0xc70 [ 335.645314] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.649828] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.654319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.658554] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.663147] ? trace_hardirqs_on+0xbd/0x310 [ 335.667475] ? kasan_check_read+0x11/0x20 [ 335.671623] ? __run_timers+0x7da/0xc70 [ 335.675615] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.680739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.684971] __run_timers+0x7e5/0xc70 [ 335.688785] ? timer_fixup_init+0x70/0x70 [ 335.692932] ? kasan_check_read+0x11/0x20 [ 335.697097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.702395] ? rcu_softirq_qs+0x20/0x20 [ 335.706378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.711927] ? check_preemption_disabled+0x48/0x280 [ 335.716948] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.721732] ? retint_kernel+0x2d/0x2d [ 335.725637] ? trace_hardirqs_on_caller+0xc0/0x310 [ 335.730581] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.735339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.740792] ? zap_class+0x640/0x640 [ 335.744511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.750049] ? check_preemption_disabled+0x48/0x280 [ 335.755088] ? __lock_is_held+0xb5/0x140 [ 335.759155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.764694] ? check_preemption_disabled+0x48/0x280 [ 335.769713] run_timer_softirq+0x52/0xb0 [ 335.773772] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.778804] __do_softirq+0x308/0xb7e [ 335.782607] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.787098] ? lock_downgrade+0x900/0x900 [ 335.791250] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.796360] ? pvclock_read_flags+0x160/0x160 [ 335.800870] ? lapic_next_event+0x5a/0x90 [ 335.805030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.810572] ? kvm_clock_read+0x18/0x30 [ 335.814550] ? kvm_sched_clock_read+0x9/0x20 [ 335.818975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.824512] ? check_preemption_disabled+0x48/0x280 [ 335.829579] irq_exit+0x17f/0x1c0 [ 335.833049] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.837896] ? smp_call_function_single_interrupt+0x159/0x650 [ 335.843782] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.849664] ? interrupt_entry+0xb5/0xc0 [ 335.853724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.858739] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.863760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.868607] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.873621] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.878633] ? task_prio+0x50/0x50 [ 335.882171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.887708] ? check_preemption_disabled+0x48/0x280 [ 335.892731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.897596] apic_timer_interrupt+0xf/0x20 [ 335.901824] [ 335.904082] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 335.909969] 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 [ 335.928883] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 335.936590] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 335.943874] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 335.951151] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 335.958423] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 335.965687] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 335.972999] ? save_stack+0xa9/0xd0 [ 335.976641] __kmalloc_node_track_caller+0x3c/0x70 [ 335.981575] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 335.986342] pskb_expand_head+0x230/0x10f0 [ 335.990582] ? memcpy+0x45/0x50 [ 335.993863] ? __copy_skb_header+0x350/0x6b0 [ 335.998281] ? skb_release_data+0x880/0x880 [ 336.002604] ? __alloc_skb+0x770/0x770 [ 336.006498] ? __lock_is_held+0xb5/0x140 [ 336.010564] ? kasan_check_write+0x14/0x20 [ 336.014800] ? __skb_clone+0x6c7/0xa00 [ 336.018690] ? __copy_skb_header+0x6b0/0x6b0 [ 336.023098] ? kmem_cache_alloc+0x33a/0x730 [ 336.027431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.032981] skb_ensure_writable+0x3dd/0x640 [ 336.037393] ? skb_checksum_setup+0xaa0/0xaa0 [ 336.041902] ? preempt_notifier_register+0x200/0x200 [ 336.047013] ? __switch_to_asm+0x34/0x70 [ 336.051076] ? __switch_to_asm+0x34/0x70 [ 336.055138] ? __switch_to_asm+0x40/0x70 [ 336.059199] ? __switch_to_asm+0x34/0x70 [ 336.063260] ? __switch_to_asm+0x40/0x70 [ 336.067320] ? __switch_to_asm+0x40/0x70 [ 336.071376] ? __switch_to_asm+0x34/0x70 [ 336.075444] ? __switch_to_asm+0x34/0x70 [ 336.079507] ? __switch_to_asm+0x40/0x70 [ 336.083578] ? __switch_to_asm+0x34/0x70 [ 336.087647] bpf_clone_redirect+0x14a/0x490 [ 336.091981] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 336.096938] ? __sched_text_start+0x8/0x8 [ 336.101095] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.105676] ? retint_kernel+0x2d/0x2d [ 336.109577] ? trace_hardirqs_on_caller+0xc0/0x310 [ 336.114519] ? find_held_lock+0x36/0x1c0 [ 336.118591] ? lock_acquire+0x1ed/0x520 [ 336.122577] ? bpf_test_run+0x3cb/0x780 [ 336.126565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.132104] ? check_preemption_disabled+0x48/0x280 [ 336.137125] ? kasan_check_read+0x11/0x20 [ 336.141275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.146554] ? rcu_softirq_qs+0x20/0x20 [ 336.150558] ? preempt_schedule+0x4d/0x60 [ 336.154703] ? ___preempt_schedule+0x16/0x18 [ 336.159122] ? bpf_test_run+0x25d/0x780 [ 336.163111] ? netlink_diag_dump+0x2a0/0x2a0 [ 336.167521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.173060] ? bpf_test_init.isra.10+0x70/0x100 [ 336.177736] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 336.182504] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 336.187350] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.192893] ? fput+0x130/0x1a0 [ 336.196181] ? __bpf_prog_get+0x9b/0x290 [ 336.200247] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 336.205091] ? bpf_prog_test_run+0x130/0x1a0 [ 336.209507] ? __x64_sys_bpf+0x3d8/0x520 [ 336.213566] ? bpf_prog_get+0x20/0x20 [ 336.217385] ? do_syscall_64+0x1b9/0x820 [ 336.221466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 336.226832] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.231759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.236602] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.241642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 336.246683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.251531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.256911] warn_alloc_show_mem: 1 callbacks suppressed [ 336.256923] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 336.256924] Mem-Info: [ 336.256955] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 336.256955] active_file:12 inactive_file:11 isolated_file:0 [ 336.256955] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.256955] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 336.256955] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 336.256955] free:13794 free_pcp:515 free_cma:0 [ 336.262296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.269137] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.271537] Call Trace: [ 336.304414] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 336.313761] dump_stack+0x244/0x39d [ 336.341231] lowmem_reserve[]: 0 2818 6321 6321 [ 336.343813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.369908] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 336.373536] warn_alloc.cold.116+0xb7/0x1bd [ 336.378085] lowmem_reserve[]: 0 0 3503 3503 [ 336.383270] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.410566] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 336.414888] ? lock_downgrade+0x900/0x900 [ 336.419184] lowmem_reserve[]: 0 0 0 0 [ 336.424022] ? trace_hardirqs_off+0xb8/0x310 [ 336.453055] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 336.457224] ? trace_hardirqs_off+0xb8/0x310 [ 336.461009] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 336.465418] __alloc_pages_slowpath+0x2651/0x2de0 [ 336.478919] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 336.483340] ? warn_alloc+0x120/0x120 [ 336.498301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 336.503144] ? print_usage_bug+0xc0/0xc0 [ 336.518128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 336.521922] ? warn_alloc+0x120/0x120 [ 336.530733] 267 total pagecache pages [ 336.534797] ? warn_alloc+0x120/0x120 [ 336.543348] 0 pages in swap cache [ 336.547140] ? print_usage_bug+0xc0/0xc0 [ 336.550922] Swap cache stats: add 0, delete 0, find 0/0 [ 336.554711] ? print_usage_bug+0xc0/0xc0 [ 336.558147] Free swap = 0kB [ 336.562200] ? __lock_acquire+0x62f/0x4c20 [ 336.567539] Total swap = 0kB [ 336.571593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.574588] 1965979 pages RAM [ 336.578817] ? should_fail+0x22d/0xd01 [ 336.581807] 0 pages HighMem/MovableOnly [ 336.587338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.590425] 342854 pages reserved [ 336.594307] ? __lock_acquire+0x62f/0x4c20 [ 336.598257] 0 pages cma reserved [ 336.603349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.606839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 336.610998] ? __lock_acquire+0x62f/0x4c20 [ 336.611014] ? should_fail+0x22d/0xd01 [ 336.614840] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.619466] ? find_held_lock+0x36/0x1c0 [ 336.625949] syz-executor0 cpuset=syz0 mems_allowed=0 [ 336.630178] ? mark_held_locks+0x130/0x130 [ 336.657870] ? mark_held_locks+0x130/0x130 [ 336.662142] ? zap_class+0x640/0x640 [ 336.665871] ? zap_class+0x640/0x640 [ 336.669619] ? print_usage_bug+0xc0/0xc0 [ 336.673708] ? do_raw_spin_unlock+0xa7/0x330 [ 336.678128] ? zap_class+0x640/0x640 [ 336.681846] ? print_usage_bug+0xc0/0xc0 [ 336.685920] ? wq_watchdog_touch+0x9c/0xfe [ 336.690161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.695710] ? check_preemption_disabled+0x48/0x280 [ 336.700747] ? __lock_is_held+0xb5/0x140 [ 336.704811] __alloc_pages_nodemask+0xad8/0xea0 [ 336.709479] ? zap_class+0x640/0x640 [ 336.713196] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 336.718218] ? find_held_lock+0x36/0x1c0 [ 336.722305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.726977] ? lock_downgrade+0x900/0x900 [ 336.731132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.736677] cache_grow_begin+0xa5/0x8c0 [ 336.740755] ? do_raw_spin_unlock+0xa7/0x330 [ 336.745173] fallback_alloc+0x204/0x2e0 [ 336.749153] ____cache_alloc_node+0x1c7/0x1e0 [ 336.753653] kmem_cache_alloc_node+0xe3/0x730 [ 336.758144] ? ipv6_get_ifaddr+0x42e/0x620 [ 336.762389] __alloc_skb+0x119/0x770 [ 336.766097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.771387] ? netdev_alloc_frag+0x1f0/0x1f0 [ 336.775797] ? lock_downgrade+0x900/0x900 [ 336.779956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.785494] ? refcount_sub_and_test_checked+0x203/0x310 [ 336.790952] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 336.796412] ? addrconf_rs_timer+0x690/0x690 [ 336.800852] ndisc_alloc_skb+0x144/0x340 [ 336.804969] ndisc_send_rs+0x331/0x6e0 [ 336.808886] addrconf_rs_timer+0x314/0x690 [ 336.813132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.817376] call_timer_fn+0x272/0x920 [ 336.821263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.825494] ? process_timeout+0x40/0x40 [ 336.829559] ? __run_timers+0x7da/0xc70 [ 336.833531] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.838042] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.842533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.846783] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.851366] ? trace_hardirqs_on+0xbd/0x310 [ 336.855685] ? kasan_check_read+0x11/0x20 [ 336.859837] ? __run_timers+0x7da/0xc70 [ 336.863808] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.868922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.873161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.877393] __run_timers+0x7e5/0xc70 [ 336.881232] ? timer_fixup_init+0x70/0x70 [ 336.885390] ? find_held_lock+0x36/0x1c0 [ 336.889464] ? __schedule+0x168a/0x21d0 [ 336.893439] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.897945] ? pvclock_read_flags+0x160/0x160 [ 336.902443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.907980] ? check_preemption_disabled+0x48/0x280 [ 336.913008] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 336.918545] ? rcu_pm_notify+0xc0/0xc0 [ 336.922433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.927966] ? check_preemption_disabled+0x48/0x280 [ 336.932988] run_timer_softirq+0x52/0xb0 [ 336.937049] ? rcu_read_lock_sched_held+0x14f/0x180 [ 336.942068] __do_softirq+0x308/0xb7e [ 336.945872] ? retint_kernel+0x2d/0x2d [ 336.949789] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 336.954907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.960376] ? finish_task_switch+0x2f4/0x910 [ 336.964883] ? schedule+0x108/0x460 [ 336.968528] ? trace_hardirqs_off+0xb8/0x310 [ 336.972934] ? smpboot_thread_fn+0x68b/0xa00 [ 336.977340] ? trace_hardirqs_on+0x310/0x310 [ 336.981768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.987304] ? check_preemption_disabled+0x48/0x280 [ 336.992323] ? takeover_tasklets+0xa90/0xa90 [ 336.996734] run_ksoftirqd+0x5e/0x100 [ 337.000538] smpboot_thread_fn+0x68b/0xa00 [ 337.004775] ? sort_range+0x30/0x30 [ 337.008404] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 337.013509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.019050] ? __kthread_parkme+0xfb/0x1a0 [ 337.023289] ? sort_range+0x30/0x30 [ 337.026919] kthread+0x35a/0x440 [ 337.030285] ? kthread_stop+0x900/0x900 [ 337.034263] ret_from_fork+0x3a/0x50 [ 337.037991] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 337.038064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 337.045344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.045353] Call Trace: [ 337.051927] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.061169] [ 337.063740] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 337.074054] dump_stack+0x244/0x39d [ 337.084474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.090172] warn_alloc.cold.116+0xb7/0x1bd [ 337.094497] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.099343] ? lock_downgrade+0x900/0x900 [ 337.103496] ? trace_hardirqs_off+0xb8/0x310 [ 337.107915] ? trace_hardirqs_off+0xb8/0x310 [ 337.112333] __alloc_pages_slowpath+0x2651/0x2de0 [ 337.117220] ? warn_alloc+0x120/0x120 [ 337.121026] ? warn_alloc+0x120/0x120 [ 337.124828] ? warn_alloc+0x120/0x120 [ 337.128627] ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40 [ 337.133986] ? print_usage_bug+0xc0/0xc0 [ 337.138044] ? is_bpf_text_address+0xac/0x170 [ 337.142540] ? print_usage_bug+0xc0/0xc0 [ 337.146610] ? kasan_check_read+0x11/0x20 [ 337.150786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.156321] ? should_fail+0x22d/0xd01 [ 337.160246] ? rcu_softirq_qs+0x20/0x20 [ 337.164235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.169332] ? __lock_acquire+0x62f/0x4c20 [ 337.173570] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.178666] ? __lock_acquire+0x62f/0x4c20 [ 337.182913] ? should_fail+0x22d/0xd01 [ 337.186809] ? mark_held_locks+0x130/0x130 [ 337.191066] ? mark_held_locks+0x130/0x130 [ 337.195300] ? try_to_wake_up+0x11c/0x1490 [ 337.199554] ? lock_downgrade+0x900/0x900 [ 337.203705] ? save_stack_trace+0x1a/0x20 [ 337.207853] ? zap_class+0x640/0x640 [ 337.211573] ? print_usage_bug+0xc0/0xc0 [ 337.215632] ? trace_hardirqs_off+0xb8/0x310 [ 337.220067] ? kasan_check_read+0x11/0x20 [ 337.224215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.229753] ? check_preemption_disabled+0x48/0x280 [ 337.234792] ? __lock_is_held+0xb5/0x140 [ 337.238858] __alloc_pages_nodemask+0xad8/0xea0 [ 337.243539] ? zap_class+0x640/0x640 [ 337.247259] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 337.252288] ? find_held_lock+0x36/0x1c0 [ 337.256357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.261028] ? lock_downgrade+0x900/0x900 [ 337.265183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.270728] cache_grow_begin+0xa5/0x8c0 [ 337.274787] ? do_raw_spin_unlock+0xa7/0x330 [ 337.279206] fallback_alloc+0x204/0x2e0 [ 337.283185] ____cache_alloc_node+0x1c7/0x1e0 [ 337.287703] kmem_cache_alloc_node+0xe3/0x730 [ 337.292201] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.296450] __alloc_skb+0x119/0x770 [ 337.300163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.305480] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.309895] ? lock_downgrade+0x900/0x900 [ 337.314068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.319604] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.325061] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.330512] ? addrconf_rs_timer+0x690/0x690 [ 337.334946] ndisc_alloc_skb+0x144/0x340 [ 337.339015] ndisc_send_rs+0x331/0x6e0 [ 337.342912] addrconf_rs_timer+0x314/0x690 [ 337.347151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.351406] call_timer_fn+0x272/0x920 [ 337.355310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.359550] ? process_timeout+0x40/0x40 [ 337.363616] ? __run_timers+0x7da/0xc70 [ 337.367591] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.372090] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.376585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.380817] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.385406] ? trace_hardirqs_on+0xbd/0x310 [ 337.389725] ? kasan_check_read+0x11/0x20 [ 337.393870] ? __run_timers+0x7da/0xc70 [ 337.397868] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.402994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.407243] __run_timers+0x7e5/0xc70 [ 337.411064] ? timer_fixup_init+0x70/0x70 [ 337.415211] ? kasan_check_read+0x11/0x20 [ 337.419357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.424631] ? rcu_softirq_qs+0x20/0x20 [ 337.428641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.434195] ? check_preemption_disabled+0x48/0x280 [ 337.439217] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.443977] ? retint_kernel+0x2d/0x2d [ 337.447888] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.452823] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.457596] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.463045] ? zap_class+0x640/0x640 [ 337.466762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.472300] ? check_preemption_disabled+0x48/0x280 [ 337.477330] ? __lock_is_held+0xb5/0x140 [ 337.481421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.486970] ? check_preemption_disabled+0x48/0x280 [ 337.492003] run_timer_softirq+0x52/0xb0 [ 337.496062] ? rcu_read_lock_sched_held+0x14f/0x180 [ 337.501078] __do_softirq+0x308/0xb7e [ 337.504894] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 337.509404] ? lock_downgrade+0x900/0x900 [ 337.513558] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 337.518668] ? pvclock_read_flags+0x160/0x160 [ 337.523169] ? lapic_next_event+0x5a/0x90 [ 337.527318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.532895] ? kvm_clock_read+0x18/0x30 [ 337.536874] ? kvm_sched_clock_read+0x9/0x20 [ 337.541313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.546851] ? check_preemption_disabled+0x48/0x280 [ 337.551893] irq_exit+0x17f/0x1c0 [ 337.555348] smp_apic_timer_interrupt+0x1cb/0x760 [ 337.560209] ? smp_call_function_single_interrupt+0x159/0x650 [ 337.566107] ? smp_call_function_single_interrupt+0x650/0x650 [ 337.571990] ? interrupt_entry+0xb5/0xc0 [ 337.576051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.581070] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.586085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.590935] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.595952] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.600968] ? task_prio+0x50/0x50 [ 337.604522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.610061] ? check_preemption_disabled+0x48/0x280 [ 337.615084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.619959] apic_timer_interrupt+0xf/0x20 [ 337.624213] [ 337.626451] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 337.632351] 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 [ 337.651262] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 337.658978] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.666262] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 337.673544] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 337.680808] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 337.688089] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 337.695381] ? save_stack+0xa9/0xd0 [ 337.699023] __kmalloc_node_track_caller+0x3c/0x70 [ 337.703961] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 337.708726] pskb_expand_head+0x230/0x10f0 [ 337.712984] ? memcpy+0x45/0x50 [ 337.716264] ? __copy_skb_header+0x350/0x6b0 [ 337.720678] ? skb_release_data+0x880/0x880 [ 337.725016] ? __alloc_skb+0x770/0x770 [ 337.728919] ? __lock_is_held+0xb5/0x140 [ 337.732988] ? kasan_check_write+0x14/0x20 [ 337.737225] ? __skb_clone+0x6c7/0xa00 [ 337.741115] ? __copy_skb_header+0x6b0/0x6b0 [ 337.745525] ? kmem_cache_alloc+0x33a/0x730 [ 337.749851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.755406] skb_ensure_writable+0x3dd/0x640 [ 337.759831] ? skb_checksum_setup+0xaa0/0xaa0 [ 337.764340] ? preempt_notifier_register+0x200/0x200 [ 337.769438] ? __switch_to_asm+0x34/0x70 [ 337.773500] ? __switch_to_asm+0x34/0x70 [ 337.777559] ? __switch_to_asm+0x40/0x70 [ 337.781612] ? __switch_to_asm+0x34/0x70 [ 337.785667] ? __switch_to_asm+0x40/0x70 [ 337.789725] ? __switch_to_asm+0x40/0x70 [ 337.793813] ? __switch_to_asm+0x34/0x70 [ 337.797875] ? __switch_to_asm+0x34/0x70 [ 337.801936] ? __switch_to_asm+0x40/0x70 [ 337.805990] ? __switch_to_asm+0x34/0x70 [ 337.810055] bpf_clone_redirect+0x14a/0x490 [ 337.814392] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 337.819329] ? __sched_text_start+0x8/0x8 [ 337.823479] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 337.828057] ? retint_kernel+0x2d/0x2d [ 337.831948] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.836891] ? find_held_lock+0x36/0x1c0 [ 337.840972] ? lock_acquire+0x1ed/0x520 [ 337.844948] ? bpf_test_run+0x3cb/0x780 [ 337.848927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.854466] ? check_preemption_disabled+0x48/0x280 [ 337.859487] ? kasan_check_read+0x11/0x20 [ 337.863633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.868917] ? rcu_softirq_qs+0x20/0x20 [ 337.872899] ? preempt_schedule+0x4d/0x60 [ 337.877137] ? ___preempt_schedule+0x16/0x18 [ 337.881554] ? bpf_test_run+0x25d/0x780 [ 337.885540] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.889954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.895505] ? bpf_test_init.isra.10+0x70/0x100 [ 337.900269] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 337.905033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.909873] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.915428] ? fput+0x130/0x1a0 [ 337.918713] ? __bpf_prog_get+0x9b/0x290 [ 337.922784] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.927650] ? bpf_prog_test_run+0x130/0x1a0 [ 337.932067] ? __x64_sys_bpf+0x3d8/0x520 [ 337.936131] ? bpf_prog_get+0x20/0x20 [ 337.939983] ? do_syscall_64+0x1b9/0x820 [ 337.944042] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.949412] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.954347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.959389] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.964437] ? prepare_exit_to_usermode+0x291/0x3b0 [ 337.969458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.974308] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.979688] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 337.979694] warn_alloc_show_mem: 1 callbacks suppressed [ 337.979701] Mem-Info: [ 337.986535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.991914] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 337.991914] active_file:12 inactive_file:11 isolated_file:0 [ 337.991914] unevictable:0 dirty:0 writeback:0 unstable:0 [ 337.991914] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 337.991914] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 337.991914] free:13794 free_pcp:515 free_cma:0 [ 337.994294] Call Trace: [ 338.003683] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 338.036543] dump_stack+0x244/0x39d [ 338.039099] 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 [ 338.067424] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.071028] lowmem_reserve[]: 0 2818 6321 6321 [ 338.097149] warn_alloc.cold.116+0xb7/0x1bd [ 338.102315] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 338.106911] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.111203] lowmem_reserve[]: 0 0 3503 3503 [ 338.138538] ? lock_downgrade+0x900/0x900 [ 338.143353] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 338.147670] ? trace_hardirqs_off+0xb8/0x310 [ 338.151788] lowmem_reserve[]: 0 0 0 0 [ 338.180857] ? trace_hardirqs_off+0xb8/0x310 [ 338.185239] 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 [ 338.189044] __alloc_pages_slowpath+0x2651/0x2de0 [ 338.193426] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 338.206968] ? warn_alloc+0x120/0x120 [ 338.211761] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 338.226758] ? print_usage_bug+0xc0/0xc0 [ 338.230539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 338.245529] ? warn_alloc+0x120/0x120 [ 338.249573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 338.258398] ? warn_alloc+0x120/0x120 [ 338.262176] 267 total pagecache pages [ 338.270749] ? print_usage_bug+0xc0/0xc0 [ 338.274525] 0 pages in swap cache [ 338.278321] ? print_usage_bug+0xc0/0xc0 [ 338.282361] Swap cache stats: add 0, delete 0, find 0/0 [ 338.285802] ? __lock_acquire+0x62f/0x4c20 [ 338.289836] Free swap = 0kB [ 338.295194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.299405] Total swap = 0kB [ 338.302428] ? should_fail+0x22d/0xd01 [ 338.302460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.307975] 1965979 pages RAM [ 338.310987] ? __lock_acquire+0x62f/0x4c20 [ 338.314857] 0 pages HighMem/MovableOnly [ 338.314865] 342854 pages reserved [ 338.319973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.323055] 0 pages cma reserved [ 338.327280] ? __lock_acquire+0x62f/0x4c20 [ 338.331291] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.334672] ? should_fail+0x22d/0xd01 [ 338.334688] ? find_held_lock+0x36/0x1c0 [ 338.339868] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.343140] ? mark_held_locks+0x130/0x130 [ 338.347347] syz-executor0 cpuset=syz0 mems_allowed=0 [ 338.353831] ? mark_held_locks+0x130/0x130 [ 338.385739] ? zap_class+0x640/0x640 [ 338.389461] ? mark_held_locks+0xc7/0x130 [ 338.393606] ? do_raw_spin_unlock+0xa7/0x330 [ 338.398016] ? zap_class+0x640/0x640 [ 338.401730] ? print_usage_bug+0xc0/0xc0 [ 338.405798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.411347] ? check_preemption_disabled+0x48/0x280 [ 338.416373] ? __lock_is_held+0xb5/0x140 [ 338.420444] __alloc_pages_nodemask+0xad8/0xea0 [ 338.425114] ? zap_class+0x640/0x640 [ 338.428836] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 338.433866] ? find_held_lock+0x36/0x1c0 [ 338.437950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.442625] ? lock_downgrade+0x900/0x900 [ 338.446796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.452338] cache_grow_begin+0xa5/0x8c0 [ 338.456400] ? do_raw_spin_unlock+0xa7/0x330 [ 338.460820] fallback_alloc+0x204/0x2e0 [ 338.464800] ____cache_alloc_node+0x1c7/0x1e0 [ 338.469305] kmem_cache_alloc_node+0xe3/0x730 [ 338.473807] ? ipv6_get_ifaddr+0x42e/0x620 [ 338.478053] __alloc_skb+0x119/0x770 [ 338.481766] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.487059] ? netdev_alloc_frag+0x1f0/0x1f0 [ 338.491469] ? lock_downgrade+0x900/0x900 [ 338.495627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.501162] ? refcount_sub_and_test_checked+0x203/0x310 [ 338.506615] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 338.512071] ? addrconf_rs_timer+0x690/0x690 [ 338.516498] ndisc_alloc_skb+0x144/0x340 [ 338.520571] ndisc_send_rs+0x331/0x6e0 [ 338.524477] addrconf_rs_timer+0x314/0x690 [ 338.528722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.532969] call_timer_fn+0x272/0x920 [ 338.536860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.541105] ? process_timeout+0x40/0x40 [ 338.545178] ? __run_timers+0x7da/0xc70 [ 338.549156] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.553649] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.558146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.562381] ? lockdep_hardirqs_on+0x296/0x5b0 [ 338.566966] ? trace_hardirqs_on+0xbd/0x310 [ 338.571292] ? kasan_check_read+0x11/0x20 [ 338.575441] ? __run_timers+0x7da/0xc70 [ 338.579426] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.584533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.588772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.593006] __run_timers+0x7e5/0xc70 [ 338.596822] ? timer_fixup_init+0x70/0x70 [ 338.600985] ? find_held_lock+0x36/0x1c0 [ 338.605063] ? __schedule+0x168a/0x21d0 [ 338.609058] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.613576] ? pvclock_read_flags+0x160/0x160 [ 338.618081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.623620] ? check_preemption_disabled+0x48/0x280 [ 338.628663] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 338.634205] ? rcu_pm_notify+0xc0/0xc0 [ 338.638103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.643641] ? check_preemption_disabled+0x48/0x280 [ 338.648663] run_timer_softirq+0x52/0xb0 [ 338.652743] ? rcu_read_lock_sched_held+0x14f/0x180 [ 338.657786] __do_softirq+0x308/0xb7e [ 338.661589] ? retint_kernel+0x2d/0x2d [ 338.665485] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 338.670589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.676046] ? finish_task_switch+0x2f4/0x910 [ 338.680550] ? schedule+0x108/0x460 [ 338.684192] ? trace_hardirqs_off+0xb8/0x310 [ 338.688605] ? smpboot_thread_fn+0x68b/0xa00 [ 338.693025] ? trace_hardirqs_on+0x310/0x310 [ 338.697435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.702979] ? check_preemption_disabled+0x48/0x280 [ 338.708001] ? takeover_tasklets+0xa90/0xa90 [ 338.712421] run_ksoftirqd+0x5e/0x100 [ 338.716225] smpboot_thread_fn+0x68b/0xa00 [ 338.720465] ? sort_range+0x30/0x30 [ 338.724097] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.729201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.734743] ? __kthread_parkme+0xfb/0x1a0 [ 338.738984] ? sort_range+0x30/0x30 [ 338.742612] kthread+0x35a/0x440 [ 338.745980] ? kthread_stop+0x900/0x900 [ 338.749958] ret_from_fork+0x3a/0x50 [ 338.753690] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 338.753768] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.761047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.761052] Call Trace: [ 338.761059] [ 338.761077] dump_stack+0x244/0x39d [ 338.761096] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.767655] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.776929] warn_alloc.cold.116+0xb7/0x1bd [ 338.779483] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 338.781626] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.814497] ? lock_downgrade+0x900/0x900 [ 338.818655] ? trace_hardirqs_off+0xb8/0x310 [ 338.823071] ? trace_hardirqs_off+0xb8/0x310 [ 338.827493] __alloc_pages_slowpath+0x2651/0x2de0 [ 338.832370] ? warn_alloc+0x120/0x120 [ 338.836177] ? print_usage_bug+0xc0/0xc0 [ 338.840238] ? warn_alloc+0x120/0x120 [ 338.844047] ? warn_alloc+0x120/0x120 [ 338.847854] ? print_usage_bug+0xc0/0xc0 [ 338.851926] ? kvm_clock_read+0x18/0x30 [ 338.855913] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 338.860945] ? print_usage_bug+0xc0/0xc0 [ 338.865007] ? __lock_acquire+0x62f/0x4c20 [ 338.869247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.874785] ? should_fail+0x22d/0xd01 [ 338.878670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.883954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.889061] ? __lock_acquire+0x62f/0x4c20 [ 338.893299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.898407] ? __lock_acquire+0x62f/0x4c20 [ 338.902642] ? should_fail+0x22d/0xd01 [ 338.906531] ? rcu_irq_exit+0x1a2/0x390 [ 338.910524] ? mark_held_locks+0x130/0x130 [ 338.914763] ? mark_held_locks+0x130/0x130 [ 338.919009] ? mark_held_locks+0xc7/0x130 [ 338.923159] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 338.928177] ? zap_class+0x640/0x640 [ 338.931906] ? print_usage_bug+0xc0/0xc0 [ 338.935974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.941518] ? check_preemption_disabled+0x48/0x280 [ 338.946553] ? __lock_is_held+0xb5/0x140 [ 338.950622] __alloc_pages_nodemask+0xad8/0xea0 [ 338.955290] ? zap_class+0x640/0x640 [ 338.959010] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 338.964044] ? find_held_lock+0x36/0x1c0 [ 338.968116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.972788] ? lock_downgrade+0x900/0x900 [ 338.976945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.982490] cache_grow_begin+0xa5/0x8c0 [ 338.986565] ? do_raw_spin_unlock+0xa7/0x330 [ 338.990983] fallback_alloc+0x204/0x2e0 [ 338.994966] ____cache_alloc_node+0x1c7/0x1e0 [ 338.999473] kmem_cache_alloc_node+0xe3/0x730 [ 339.003969] ? ipv6_get_ifaddr+0x42e/0x620 [ 339.008216] __alloc_skb+0x119/0x770 [ 339.011931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.017212] ? netdev_alloc_frag+0x1f0/0x1f0 [ 339.021621] ? lock_downgrade+0x900/0x900 [ 339.025781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.031323] ? refcount_sub_and_test_checked+0x203/0x310 [ 339.036777] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 339.042232] ? addrconf_rs_timer+0x690/0x690 [ 339.046652] ndisc_alloc_skb+0x144/0x340 [ 339.050720] ndisc_send_rs+0x331/0x6e0 [ 339.054615] addrconf_rs_timer+0x314/0x690 [ 339.058860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.063113] call_timer_fn+0x272/0x920 [ 339.067004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.071241] ? process_timeout+0x40/0x40 [ 339.075311] ? __run_timers+0x7da/0xc70 [ 339.079289] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.083787] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.088284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.093028] ? lockdep_hardirqs_on+0x296/0x5b0 [ 339.097614] ? trace_hardirqs_on+0xbd/0x310 [ 339.101941] ? kasan_check_read+0x11/0x20 [ 339.106086] ? __run_timers+0x7da/0xc70 [ 339.110063] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.115173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.119417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.123652] __run_timers+0x7e5/0xc70 [ 339.127462] ? timer_fixup_init+0x70/0x70 [ 339.131612] ? kasan_check_read+0x11/0x20 [ 339.135761] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.141039] ? rcu_softirq_qs+0x20/0x20 [ 339.145019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.150563] ? check_preemption_disabled+0x48/0x280 [ 339.155605] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.160381] ? retint_kernel+0x2d/0x2d [ 339.164279] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.169212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.173969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.179431] ? zap_class+0x640/0x640 [ 339.183156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.188694] ? check_preemption_disabled+0x48/0x280 [ 339.193725] ? __lock_is_held+0xb5/0x140 [ 339.197790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.203329] ? check_preemption_disabled+0x48/0x280 [ 339.208352] run_timer_softirq+0x52/0xb0 [ 339.212419] ? rcu_read_lock_sched_held+0x14f/0x180 [ 339.217447] __do_softirq+0x308/0xb7e [ 339.221254] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 339.225749] ? lock_downgrade+0x900/0x900 [ 339.229908] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 339.235040] ? pvclock_read_flags+0x160/0x160 [ 339.239540] ? lapic_next_event+0x5a/0x90 [ 339.243690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.249242] ? kvm_clock_read+0x18/0x30 [ 339.253222] ? kvm_sched_clock_read+0x9/0x20 [ 339.257662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.263208] ? check_preemption_disabled+0x48/0x280 [ 339.268233] irq_exit+0x17f/0x1c0 [ 339.271703] smp_apic_timer_interrupt+0x1cb/0x760 [ 339.276543] ? smp_call_function_single_interrupt+0x159/0x650 [ 339.282437] ? smp_call_function_single_interrupt+0x650/0x650 [ 339.288324] ? interrupt_entry+0xb5/0xc0 [ 339.292406] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.297428] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.302449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.307290] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.312306] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.317336] ? task_prio+0x50/0x50 [ 339.320903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.326443] ? check_preemption_disabled+0x48/0x280 [ 339.331465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.336348] apic_timer_interrupt+0xf/0x20 [ 339.340588] [ 339.342828] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 339.348715] 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 [ 339.367624] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 339.375343] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 339.382606] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 339.389894] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 339.397160] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 339.404430] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 339.411730] ? save_stack+0xa9/0xd0 [ 339.415372] __kmalloc_node_track_caller+0x3c/0x70 [ 339.420325] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 339.425087] pskb_expand_head+0x230/0x10f0 [ 339.429329] ? memcpy+0x45/0x50 [ 339.432612] ? __copy_skb_header+0x350/0x6b0 [ 339.437029] ? skb_release_data+0x880/0x880 [ 339.441351] ? __alloc_skb+0x770/0x770 [ 339.445254] ? __lock_is_held+0xb5/0x140 [ 339.449337] ? kasan_check_write+0x14/0x20 [ 339.453584] ? __skb_clone+0x6c7/0xa00 [ 339.457479] ? __copy_skb_header+0x6b0/0x6b0 [ 339.461892] ? kmem_cache_alloc+0x33a/0x730 [ 339.466233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.471806] skb_ensure_writable+0x3dd/0x640 [ 339.476216] ? skb_checksum_setup+0xaa0/0xaa0 [ 339.480719] ? preempt_notifier_register+0x200/0x200 [ 339.485821] ? __switch_to_asm+0x34/0x70 [ 339.489907] ? __switch_to_asm+0x34/0x70 [ 339.493970] ? __switch_to_asm+0x40/0x70 [ 339.498030] ? __switch_to_asm+0x34/0x70 [ 339.502091] ? __switch_to_asm+0x40/0x70 [ 339.506157] ? __switch_to_asm+0x40/0x70 [ 339.510213] ? __switch_to_asm+0x34/0x70 [ 339.514275] ? __switch_to_asm+0x34/0x70 [ 339.518347] ? __switch_to_asm+0x40/0x70 [ 339.522414] ? __switch_to_asm+0x34/0x70 [ 339.526484] bpf_clone_redirect+0x14a/0x490 [ 339.530817] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 339.535749] ? __sched_text_start+0x8/0x8 [ 339.539907] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 339.544491] ? retint_kernel+0x2d/0x2d [ 339.548382] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.553336] ? find_held_lock+0x36/0x1c0 [ 339.557408] ? lock_acquire+0x1ed/0x520 [ 339.561392] ? bpf_test_run+0x3cb/0x780 [ 339.565372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.570915] ? check_preemption_disabled+0x48/0x280 [ 339.575952] ? kasan_check_read+0x11/0x20 [ 339.580104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.585381] ? rcu_softirq_qs+0x20/0x20 [ 339.589362] ? preempt_schedule+0x4d/0x60 [ 339.593516] ? ___preempt_schedule+0x16/0x18 [ 339.597937] ? bpf_test_run+0x25d/0x780 [ 339.601924] ? netlink_diag_dump+0x2a0/0x2a0 [ 339.606338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.611895] ? bpf_test_init.isra.10+0x70/0x100 [ 339.616586] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 339.621365] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 339.626213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.631754] ? fput+0x130/0x1a0 [ 339.635042] ? __bpf_prog_get+0x9b/0x290 [ 339.639107] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 339.643951] ? bpf_prog_test_run+0x130/0x1a0 [ 339.648369] ? __x64_sys_bpf+0x3d8/0x520 [ 339.652451] ? bpf_prog_get+0x20/0x20 [ 339.656285] ? do_syscall_64+0x1b9/0x820 [ 339.660347] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 339.665715] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.670644] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.675488] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.680511] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.685538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.690393] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.695805] warn_alloc_show_mem: 1 callbacks suppressed [ 339.695817] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 339.695819] Mem-Info: [ 339.695851] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 339.695851] active_file:12 inactive_file:11 isolated_file:0 [ 339.695851] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.695851] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 339.695851] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 339.695851] free:13794 free_pcp:515 free_cma:0 [ 339.701187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.708032] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.710438] Call Trace: [ 339.743307] 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 [ 339.752695] dump_stack+0x244/0x39d [ 339.780162] lowmem_reserve[]: 0 2818 6321 6321 [ 339.782761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.808847] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 339.812477] warn_alloc.cold.116+0xb7/0x1bd [ 339.817022] lowmem_reserve[]: 0 0 3503 3503 [ 339.822213] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.849517] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 339.853830] ? lock_downgrade+0x900/0x900 [ 339.858124] lowmem_reserve[]: 0 0 0 0 [ 339.862964] ? trace_hardirqs_off+0xb8/0x310 [ 339.892001] 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 [ 339.896151] ? trace_hardirqs_off+0xb8/0x310 [ 339.899928] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 339.904338] __alloc_pages_slowpath+0x2651/0x2de0 [ 339.917830] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 339.922254] ? warn_alloc+0x120/0x120 [ 339.937210] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 339.942045] ? print_usage_bug+0xc0/0xc0 [ 339.957020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 339.961284] ? warn_alloc+0x120/0x120 [ 339.970133] 267 total pagecache pages [ 339.974185] ? warn_alloc+0x120/0x120 [ 339.982738] 0 pages in swap cache [ 339.986567] ? print_usage_bug+0xc0/0xc0 [ 339.990340] Swap cache stats: add 0, delete 0, find 0/0 [ 339.994130] ? print_usage_bug+0xc0/0xc0 [ 339.997556] Free swap = 0kB [ 340.001602] ? __lock_acquire+0x62f/0x4c20 [ 340.006950] Total swap = 0kB [ 340.011010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.014002] 1965979 pages RAM [ 340.018242] ? should_fail+0x22d/0xd01 [ 340.021236] 0 pages HighMem/MovableOnly [ 340.026764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.029843] 342854 pages reserved [ 340.033727] ? __lock_acquire+0x62f/0x4c20 [ 340.037677] 0 pages cma reserved [ 340.042768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.046259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.050421] ? __lock_acquire+0x62f/0x4c20 [ 340.050437] ? should_fail+0x22d/0xd01 [ 340.053841] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.058891] ? find_held_lock+0x36/0x1c0 [ 340.065364] syz-executor0 cpuset=syz0 mems_allowed=0 [ 340.069598] ? mark_held_locks+0x130/0x130 [ 340.097281] ? mark_held_locks+0x130/0x130 [ 340.101514] ? zap_class+0x640/0x640 [ 340.105235] ? mark_held_locks+0xc7/0x130 [ 340.109381] ? do_raw_spin_unlock+0xa7/0x330 [ 340.113788] ? zap_class+0x640/0x640 [ 340.117499] ? print_usage_bug+0xc0/0xc0 [ 340.121563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.127103] ? check_preemption_disabled+0x48/0x280 [ 340.132130] ? __lock_is_held+0xb5/0x140 [ 340.136240] __alloc_pages_nodemask+0xad8/0xea0 [ 340.140937] ? zap_class+0x640/0x640 [ 340.144652] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 340.149674] ? find_held_lock+0x36/0x1c0 [ 340.153743] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.158415] ? lock_downgrade+0x900/0x900 [ 340.162570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.168142] cache_grow_begin+0xa5/0x8c0 [ 340.172219] ? do_raw_spin_unlock+0xa7/0x330 [ 340.176663] fallback_alloc+0x204/0x2e0 [ 340.180701] ____cache_alloc_node+0x1c7/0x1e0 [ 340.185219] kmem_cache_alloc_node+0xe3/0x730 [ 340.189716] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.193960] __alloc_skb+0x119/0x770 [ 340.197699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.202985] ? netdev_alloc_frag+0x1f0/0x1f0 [ 340.207393] ? lock_downgrade+0x900/0x900 [ 340.211546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.217100] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.222553] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.228001] ? addrconf_rs_timer+0x690/0x690 [ 340.232431] ndisc_alloc_skb+0x144/0x340 [ 340.236497] ndisc_send_rs+0x331/0x6e0 [ 340.240407] addrconf_rs_timer+0x314/0x690 [ 340.244646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.248894] call_timer_fn+0x272/0x920 [ 340.252798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.257030] ? process_timeout+0x40/0x40 [ 340.261099] ? __run_timers+0x7da/0xc70 [ 340.265073] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.269564] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.274067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.278315] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.282909] ? trace_hardirqs_on+0xbd/0x310 [ 340.287232] ? kasan_check_read+0x11/0x20 [ 340.291377] ? __run_timers+0x7da/0xc70 [ 340.295352] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.300456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.304697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.308932] __run_timers+0x7e5/0xc70 [ 340.312738] ? timer_fixup_init+0x70/0x70 [ 340.316908] ? find_held_lock+0x36/0x1c0 [ 340.320988] ? __schedule+0x168a/0x21d0 [ 340.324960] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.329459] ? pvclock_read_flags+0x160/0x160 [ 340.333969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.339519] ? check_preemption_disabled+0x48/0x280 [ 340.344540] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 340.350079] ? rcu_pm_notify+0xc0/0xc0 [ 340.353971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.359510] ? check_preemption_disabled+0x48/0x280 [ 340.364524] run_timer_softirq+0x52/0xb0 [ 340.368585] ? rcu_read_lock_sched_held+0x14f/0x180 [ 340.373602] __do_softirq+0x308/0xb7e [ 340.377400] ? retint_kernel+0x2d/0x2d [ 340.381308] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 340.386425] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.391872] ? finish_task_switch+0x2f4/0x910 [ 340.396379] ? schedule+0x108/0x460 [ 340.400044] ? trace_hardirqs_off+0xb8/0x310 [ 340.404468] ? smpboot_thread_fn+0x68b/0xa00 [ 340.408885] ? trace_hardirqs_on+0x310/0x310 [ 340.413302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.418844] ? check_preemption_disabled+0x48/0x280 [ 340.423888] ? takeover_tasklets+0xa90/0xa90 [ 340.428318] run_ksoftirqd+0x5e/0x100 [ 340.432138] smpboot_thread_fn+0x68b/0xa00 [ 340.436377] ? sort_range+0x30/0x30 [ 340.439998] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 340.445099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.450637] ? __kthread_parkme+0xfb/0x1a0 [ 340.454872] ? sort_range+0x30/0x30 [ 340.458508] kthread+0x35a/0x440 [ 340.461897] ? kthread_stop+0x900/0x900 [ 340.465876] ret_from_fork+0x3a/0x50 [ 340.469643] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 340.469707] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.476996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.477001] Call Trace: [ 340.477007] [ 340.477033] dump_stack+0x244/0x39d [ 340.477051] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.483588] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.492949] warn_alloc.cold.116+0xb7/0x1bd [ 340.495502] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 340.497653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.530549] ? lock_downgrade+0x900/0x900 [ 340.534707] ? trace_hardirqs_off+0xb8/0x310 [ 340.539118] ? trace_hardirqs_off+0xb8/0x310 [ 340.543530] __alloc_pages_slowpath+0x2651/0x2de0 [ 340.548418] ? warn_alloc+0x120/0x120 [ 340.552221] ? print_usage_bug+0xc0/0xc0 [ 340.556282] ? warn_alloc+0x120/0x120 [ 340.560085] ? warn_alloc+0x120/0x120 [ 340.563900] ? print_usage_bug+0xc0/0xc0 [ 340.567974] ? print_usage_bug+0xc0/0xc0 [ 340.572038] ? __lock_acquire+0x62f/0x4c20 [ 340.576320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.581874] ? should_fail+0x22d/0xd01 [ 340.585773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.590898] ? __lock_acquire+0x62f/0x4c20 [ 340.595142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.600259] ? __lock_acquire+0x62f/0x4c20 [ 340.604489] ? should_fail+0x22d/0xd01 [ 340.608371] ? find_held_lock+0x36/0x1c0 [ 340.612438] ? mark_held_locks+0x130/0x130 [ 340.616671] ? mark_held_locks+0x130/0x130 [ 340.620919] ? zap_class+0x640/0x640 [ 340.624626] ? zap_class+0x640/0x640 [ 340.628334] ? print_usage_bug+0xc0/0xc0 [ 340.632439] ? do_raw_spin_unlock+0xa7/0x330 [ 340.636842] ? zap_class+0x640/0x640 [ 340.640550] ? print_usage_bug+0xc0/0xc0 [ 340.644603] ? wq_watchdog_touch+0x9c/0xfe [ 340.648830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.654378] ? check_preemption_disabled+0x48/0x280 [ 340.659415] ? __lock_is_held+0xb5/0x140 [ 340.663478] __alloc_pages_nodemask+0xad8/0xea0 [ 340.668155] ? zap_class+0x640/0x640 [ 340.671895] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 340.676962] ? find_held_lock+0x36/0x1c0 [ 340.681032] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.685699] ? lock_downgrade+0x900/0x900 [ 340.689852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.695397] cache_grow_begin+0xa5/0x8c0 [ 340.699462] ? do_raw_spin_unlock+0xa7/0x330 [ 340.703874] fallback_alloc+0x204/0x2e0 [ 340.707911] ____cache_alloc_node+0x1c7/0x1e0 [ 340.712438] kmem_cache_alloc_node+0xe3/0x730 [ 340.716933] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.721177] __alloc_skb+0x119/0x770 [ 340.724912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.730195] ? netdev_alloc_frag+0x1f0/0x1f0 [ 340.734603] ? lock_downgrade+0x900/0x900 [ 340.738753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.744285] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.749736] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.755192] ? addrconf_rs_timer+0x690/0x690 [ 340.759606] ndisc_alloc_skb+0x144/0x340 [ 340.763686] ndisc_send_rs+0x331/0x6e0 [ 340.767595] addrconf_rs_timer+0x314/0x690 [ 340.771834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.776078] call_timer_fn+0x272/0x920 [ 340.779966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.784198] ? process_timeout+0x40/0x40 [ 340.788261] ? __run_timers+0x7da/0xc70 [ 340.792268] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.796759] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.801255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.805487] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.810074] ? trace_hardirqs_on+0xbd/0x310 [ 340.814396] ? kasan_check_read+0x11/0x20 [ 340.818550] ? __run_timers+0x7da/0xc70 [ 340.822529] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.827635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.831869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.836106] __run_timers+0x7e5/0xc70 [ 340.839921] ? timer_fixup_init+0x70/0x70 [ 340.844070] ? kasan_check_read+0x11/0x20 [ 340.848241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.853511] ? rcu_softirq_qs+0x20/0x20 [ 340.857482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.863017] ? check_preemption_disabled+0x48/0x280 [ 340.868036] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 340.872805] ? retint_kernel+0x2d/0x2d [ 340.876686] ? trace_hardirqs_on_caller+0xc0/0x310 [ 340.881610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 340.886361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.891808] ? zap_class+0x640/0x640 [ 340.895543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.901077] ? check_preemption_disabled+0x48/0x280 [ 340.906103] ? __lock_is_held+0xb5/0x140 [ 340.910167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.915700] ? check_preemption_disabled+0x48/0x280 [ 340.920719] run_timer_softirq+0x52/0xb0 [ 340.924781] ? rcu_read_lock_sched_held+0x14f/0x180 [ 340.929799] __do_softirq+0x308/0xb7e [ 340.933598] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 340.938095] ? lock_downgrade+0x900/0x900 [ 340.942255] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 340.947366] ? pvclock_read_flags+0x160/0x160 [ 340.951890] ? lapic_next_event+0x5a/0x90 [ 340.956042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.961582] ? kvm_clock_read+0x18/0x30 [ 340.965563] ? kvm_sched_clock_read+0x9/0x20 [ 340.969970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.975502] ? check_preemption_disabled+0x48/0x280 [ 340.980525] irq_exit+0x17f/0x1c0 [ 340.983992] smp_apic_timer_interrupt+0x1cb/0x760 [ 340.988834] ? smp_call_function_single_interrupt+0x159/0x650 [ 340.994723] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.000607] ? interrupt_entry+0xb5/0xc0 [ 341.004686] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.009713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.014727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.019572] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.024599] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.029613] ? task_prio+0x50/0x50 [ 341.033166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.038707] ? check_preemption_disabled+0x48/0x280 [ 341.043731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.048582] apic_timer_interrupt+0xf/0x20 [ 341.052808] [ 341.055058] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 341.060956] 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 [ 341.079866] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 341.087593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 341.095356] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 341.102620] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 341.109938] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 341.117220] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 341.124512] ? save_stack+0xa9/0xd0 [ 341.128154] __kmalloc_node_track_caller+0x3c/0x70 [ 341.133114] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 341.137896] pskb_expand_head+0x230/0x10f0 [ 341.142142] ? memcpy+0x45/0x50 [ 341.145425] ? __copy_skb_header+0x350/0x6b0 [ 341.149832] ? skb_release_data+0x880/0x880 [ 341.154151] ? __alloc_skb+0x770/0x770 [ 341.158045] ? __lock_is_held+0xb5/0x140 [ 341.162112] ? kasan_check_write+0x14/0x20 [ 341.166342] ? __skb_clone+0x6c7/0xa00 [ 341.170236] ? __copy_skb_header+0x6b0/0x6b0 [ 341.174640] ? kmem_cache_alloc+0x33a/0x730 [ 341.178964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.184503] skb_ensure_writable+0x3dd/0x640 [ 341.188946] ? skb_checksum_setup+0xaa0/0xaa0 [ 341.193442] ? preempt_notifier_register+0x200/0x200 [ 341.198540] ? __switch_to_asm+0x34/0x70 [ 341.202594] ? __switch_to_asm+0x34/0x70 [ 341.206649] ? __switch_to_asm+0x40/0x70 [ 341.210708] ? __switch_to_asm+0x34/0x70 [ 341.214762] ? __switch_to_asm+0x40/0x70 [ 341.218856] ? __switch_to_asm+0x40/0x70 [ 341.222929] ? __switch_to_asm+0x34/0x70 [ 341.226996] ? __switch_to_asm+0x34/0x70 [ 341.231069] ? __switch_to_asm+0x40/0x70 [ 341.235123] ? __switch_to_asm+0x34/0x70 [ 341.239184] bpf_clone_redirect+0x14a/0x490 [ 341.243509] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 341.248438] ? __sched_text_start+0x8/0x8 [ 341.252583] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.257170] ? retint_kernel+0x2d/0x2d [ 341.261055] ? trace_hardirqs_on_caller+0xc0/0x310 [ 341.266018] ? find_held_lock+0x36/0x1c0 [ 341.270095] ? lock_acquire+0x1ed/0x520 [ 341.274084] ? bpf_test_run+0x3cb/0x780 [ 341.278055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.283595] ? check_preemption_disabled+0x48/0x280 [ 341.288627] ? kasan_check_read+0x11/0x20 [ 341.292772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.298041] ? rcu_softirq_qs+0x20/0x20 [ 341.302013] ? preempt_schedule+0x4d/0x60 [ 341.306160] ? ___preempt_schedule+0x16/0x18 [ 341.310574] ? bpf_test_run+0x25d/0x780 [ 341.314558] ? netlink_diag_dump+0x2a0/0x2a0 [ 341.318970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.324508] ? bpf_test_init.isra.10+0x70/0x100 [ 341.329182] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 341.333955] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 341.338798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 341.344345] ? fput+0x130/0x1a0 [ 341.347625] ? __bpf_prog_get+0x9b/0x290 [ 341.351700] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 341.356537] ? bpf_prog_test_run+0x130/0x1a0 [ 341.360946] ? __x64_sys_bpf+0x3d8/0x520 [ 341.365007] ? bpf_prog_get+0x20/0x20 [ 341.368843] ? do_syscall_64+0x1b9/0x820 [ 341.372933] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 341.378300] ? syscall_return_slowpath+0x5e0/0x5e0 [ 341.383242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.388100] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.393120] ? prepare_exit_to_usermode+0x291/0x3b0 [ 341.398146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.403020] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.408399] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 341.408409] warn_alloc_show_mem: 1 callbacks suppressed [ 341.408416] Mem-Info: [ 341.415257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.420635] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 341.420635] active_file:12 inactive_file:11 isolated_file:0 [ 341.420635] unevictable:0 dirty:0 writeback:0 unstable:0 [ 341.420635] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 341.420635] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 341.420635] free:13794 free_pcp:515 free_cma:0 [ 341.423004] Call Trace: [ 341.432388] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 341.465237] dump_stack+0x244/0x39d [ 341.467811] 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 [ 341.495302] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.498929] lowmem_reserve[]: 0 2818 6321 6321 [ 341.525040] warn_alloc.cold.116+0xb7/0x1bd [ 341.530195] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 341.534769] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.539065] lowmem_reserve[]: 0 0 3503 3503 [ 341.566383] ? lock_downgrade+0x900/0x900 [ 341.571213] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 341.575532] ? trace_hardirqs_off+0xb8/0x310 [ 341.579650] lowmem_reserve[]: 0 0 0 0 [ 341.608704] ? trace_hardirqs_off+0xb8/0x310 [ 341.613083] 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 [ 341.616897] __alloc_pages_slowpath+0x2651/0x2de0 [ 341.621274] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 341.634820] ? warn_alloc+0x120/0x120 [ 341.639613] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 341.654598] ? print_usage_bug+0xc0/0xc0 [ 341.658375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 341.673357] ? warn_alloc+0x120/0x120 [ 341.677399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 341.686221] ? warn_alloc+0x120/0x120 [ 341.689993] 267 total pagecache pages [ 341.698551] ? print_usage_bug+0xc0/0xc0 [ 341.702326] 0 pages in swap cache [ 341.706111] ? print_usage_bug+0xc0/0xc0 [ 341.710147] Swap cache stats: add 0, delete 0, find 0/0 [ 341.713586] ? __lock_acquire+0x62f/0x4c20 [ 341.717622] Free swap = 0kB [ 341.722975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.727181] Total swap = 0kB [ 341.730194] ? should_fail+0x22d/0xd01 [ 341.735703] 1965979 pages RAM [ 341.738729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.742592] 0 pages HighMem/MovableOnly [ 341.745717] ? __lock_acquire+0x62f/0x4c20 [ 341.750796] 342854 pages reserved [ 341.754763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.758970] 0 pages cma reserved [ 341.762430] ? __lock_acquire+0x62f/0x4c20 [ 341.767570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 341.770859] ? should_fail+0x22d/0xd01 [ 341.770891] ? mark_held_locks+0x130/0x130 [ 341.775236] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 341.781592] ? mark_held_locks+0x130/0x130 [ 341.785456] syz-executor0 cpuset=syz0 mems_allowed=0 [ 341.789678] ? zap_class+0x640/0x640 [ 341.813143] ? zap_class+0x640/0x640 [ 341.816886] ? zap_class+0x640/0x640 [ 341.820631] ? print_usage_bug+0xc0/0xc0 [ 341.824716] ? mark_held_locks+0x130/0x130 [ 341.828952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.834484] ? check_preemption_disabled+0x48/0x280 [ 341.839507] ? __lock_is_held+0xb5/0x140 [ 341.843599] __alloc_pages_nodemask+0xad8/0xea0 [ 341.848268] ? zap_class+0x640/0x640 [ 341.851980] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 341.857003] ? find_held_lock+0x36/0x1c0 [ 341.861071] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.865738] ? lock_downgrade+0x900/0x900 [ 341.869908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.875447] cache_grow_begin+0xa5/0x8c0 [ 341.879503] ? do_raw_spin_unlock+0xa7/0x330 [ 341.883934] fallback_alloc+0x204/0x2e0 [ 341.887920] ____cache_alloc_node+0x1c7/0x1e0 [ 341.892417] kmem_cache_alloc_node+0xe3/0x730 [ 341.896928] ? ipv6_get_ifaddr+0x42e/0x620 [ 341.901175] __alloc_skb+0x119/0x770 [ 341.904917] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.910200] ? netdev_alloc_frag+0x1f0/0x1f0 [ 341.914607] ? lock_downgrade+0x900/0x900 [ 341.918761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.924311] ? refcount_sub_and_test_checked+0x203/0x310 [ 341.929765] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 341.935214] ? addrconf_rs_timer+0x690/0x690 [ 341.939633] ndisc_alloc_skb+0x144/0x340 [ 341.943701] ndisc_send_rs+0x331/0x6e0 [ 341.947590] addrconf_rs_timer+0x314/0x690 [ 341.951841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.956088] call_timer_fn+0x272/0x920 [ 341.960469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.964699] ? process_timeout+0x40/0x40 [ 341.968775] ? __run_timers+0x7da/0xc70 [ 341.972759] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.977267] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.981755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.985987] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.990627] ? trace_hardirqs_on+0xbd/0x310 [ 341.994960] ? kasan_check_read+0x11/0x20 [ 341.999105] ? __run_timers+0x7da/0xc70 [ 342.003077] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.008193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.012426] __run_timers+0x7e5/0xc70 [ 342.016239] ? timer_fixup_init+0x70/0x70 [ 342.020411] ? find_held_lock+0x36/0x1c0 [ 342.024479] ? __schedule+0x168a/0x21d0 [ 342.028452] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.032962] ? pvclock_read_flags+0x160/0x160 [ 342.037460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.042996] ? check_preemption_disabled+0x48/0x280 [ 342.048021] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 342.053557] ? rcu_pm_notify+0xc0/0xc0 [ 342.057455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.063942] ? check_preemption_disabled+0x48/0x280 [ 342.068966] run_timer_softirq+0x52/0xb0 [ 342.073029] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.078059] __do_softirq+0x308/0xb7e [ 342.081887] ? retint_kernel+0x2d/0x2d [ 342.085788] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.090895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.096351] ? finish_task_switch+0x2f4/0x910 [ 342.100848] ? schedule+0x108/0x460 [ 342.104513] ? trace_hardirqs_off+0xb8/0x310 [ 342.108926] ? smpboot_thread_fn+0x68b/0xa00 [ 342.113335] ? trace_hardirqs_on+0x310/0x310 [ 342.117746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.123284] ? check_preemption_disabled+0x48/0x280 [ 342.128297] ? takeover_tasklets+0xa90/0xa90 [ 342.132704] run_ksoftirqd+0x5e/0x100 [ 342.136502] smpboot_thread_fn+0x68b/0xa00 [ 342.140738] ? sort_range+0x30/0x30 [ 342.144363] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.149463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.154995] ? __kthread_parkme+0xfb/0x1a0 [ 342.159243] ? sort_range+0x30/0x30 [ 342.162871] kthread+0x35a/0x440 [ 342.166250] ? kthread_stop+0x900/0x900 [ 342.170239] ret_from_fork+0x3a/0x50 [ 342.173966] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 342.174029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.181316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.181321] Call Trace: [ 342.181327] [ 342.181343] dump_stack+0x244/0x39d [ 342.181360] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.187962] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.197197] warn_alloc.cold.116+0xb7/0x1bd [ 342.199748] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 342.201898] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.234766] ? lock_downgrade+0x900/0x900 [ 342.238919] ? trace_hardirqs_off+0xb8/0x310 [ 342.243333] ? trace_hardirqs_off+0xb8/0x310 [ 342.247748] __alloc_pages_slowpath+0x2651/0x2de0 [ 342.252614] ? warn_alloc+0x120/0x120 [ 342.256421] ? warn_alloc+0x120/0x120 [ 342.260238] ? warn_alloc+0x120/0x120 [ 342.264040] ? print_usage_bug+0xc0/0xc0 [ 342.268105] ? warn_alloc+0x120/0x120 [ 342.271914] ? print_usage_bug+0xc0/0xc0 [ 342.275987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.281524] ? should_fail+0x22d/0xd01 [ 342.285414] ? __lock_acquire+0x62f/0x4c20 [ 342.289652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.294754] ? __lock_acquire+0x62f/0x4c20 [ 342.298992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.304089] ? __lock_acquire+0x62f/0x4c20 [ 342.308338] ? should_fail+0x22d/0xd01 [ 342.312250] ? mark_held_locks+0x130/0x130 [ 342.316509] ? mark_held_locks+0x130/0x130 [ 342.320748] ? mark_held_locks+0x130/0x130 [ 342.324979] ? zap_class+0x640/0x640 [ 342.328689] ? print_usage_bug+0xc0/0xc0 [ 342.332742] ? mark_held_locks+0x130/0x130 [ 342.336973] ? print_usage_bug+0xc0/0xc0 [ 342.341034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.346578] ? check_preemption_disabled+0x48/0x280 [ 342.351601] ? __lock_is_held+0xb5/0x140 [ 342.355666] __alloc_pages_nodemask+0xad8/0xea0 [ 342.360332] ? zap_class+0x640/0x640 [ 342.364065] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 342.369108] ? find_held_lock+0x36/0x1c0 [ 342.373172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.377850] ? lock_downgrade+0x900/0x900 [ 342.382039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.387588] cache_grow_begin+0xa5/0x8c0 [ 342.391673] ? do_raw_spin_unlock+0xa7/0x330 [ 342.396114] fallback_alloc+0x204/0x2e0 [ 342.400098] ____cache_alloc_node+0x1c7/0x1e0 [ 342.404602] kmem_cache_alloc_node+0xe3/0x730 [ 342.409101] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.413359] __alloc_skb+0x119/0x770 [ 342.417065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.422346] ? netdev_alloc_frag+0x1f0/0x1f0 [ 342.426768] ? lock_downgrade+0x900/0x900 [ 342.430919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.436457] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.441944] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.447393] ? addrconf_rs_timer+0x690/0x690 [ 342.451817] ndisc_alloc_skb+0x144/0x340 [ 342.455890] ndisc_send_rs+0x331/0x6e0 [ 342.459793] addrconf_rs_timer+0x314/0x690 [ 342.464037] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.468298] call_timer_fn+0x272/0x920 [ 342.472186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.476423] ? process_timeout+0x40/0x40 [ 342.480491] ? __run_timers+0x7da/0xc70 [ 342.484483] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.488983] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.493474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.497707] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.502317] ? trace_hardirqs_on+0xbd/0x310 [ 342.506638] ? kasan_check_read+0x11/0x20 [ 342.510782] ? __run_timers+0x7da/0xc70 [ 342.514757] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.519863] ? tcp_compressed_ack_kick+0x220/0x220 [ 342.524802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.529036] __run_timers+0x7e5/0xc70 [ 342.532847] ? timer_fixup_init+0x70/0x70 [ 342.536997] ? kasan_check_read+0x11/0x20 [ 342.541146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.546429] ? rcu_softirq_qs+0x20/0x20 [ 342.550400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.555999] ? check_preemption_disabled+0x48/0x280 [ 342.561021] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 342.565781] ? retint_kernel+0x2d/0x2d [ 342.569670] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.574628] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 342.579388] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.584845] ? zap_class+0x640/0x640 [ 342.588564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.594117] ? check_preemption_disabled+0x48/0x280 [ 342.599140] ? __lock_is_held+0xb5/0x140 [ 342.603219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.608754] ? check_preemption_disabled+0x48/0x280 [ 342.613771] run_timer_softirq+0x52/0xb0 [ 342.617828] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.622856] __do_softirq+0x308/0xb7e [ 342.626665] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 342.631161] ? lock_downgrade+0x900/0x900 [ 342.635312] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.640429] ? pvclock_read_flags+0x160/0x160 [ 342.644926] ? lapic_next_event+0x5a/0x90 [ 342.649074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.654611] ? kvm_clock_read+0x18/0x30 [ 342.658582] ? kvm_sched_clock_read+0x9/0x20 [ 342.662990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.668527] ? check_preemption_disabled+0x48/0x280 [ 342.673561] irq_exit+0x17f/0x1c0 [ 342.677009] smp_apic_timer_interrupt+0x1cb/0x760 [ 342.681844] ? smp_call_function_single_interrupt+0x159/0x650 [ 342.687728] ? smp_call_function_single_interrupt+0x650/0x650 [ 342.693610] ? interrupt_entry+0xb5/0xc0 [ 342.697668] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.702680] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.707694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.712536] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.717547] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.722575] ? task_prio+0x50/0x50 [ 342.726129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.731671] ? check_preemption_disabled+0x48/0x280 [ 342.736693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.741541] apic_timer_interrupt+0xf/0x20 [ 342.745764] [ 342.748014] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 342.753903] 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 [ 342.772816] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 342.780522] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 342.787786] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 342.795051] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 342.802318] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 342.809590] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 342.816887] ? save_stack+0xa9/0xd0 [ 342.820527] __kmalloc_node_track_caller+0x3c/0x70 [ 342.825461] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 342.830224] pskb_expand_head+0x230/0x10f0 [ 342.834464] ? memcpy+0x45/0x50 [ 342.837746] ? __copy_skb_header+0x350/0x6b0 [ 342.842155] ? skb_release_data+0x880/0x880 [ 342.846477] ? __alloc_skb+0x770/0x770 [ 342.850389] ? __lock_is_held+0xb5/0x140 [ 342.854465] ? kasan_check_write+0x14/0x20 [ 342.858699] ? __skb_clone+0x6c7/0xa00 [ 342.862603] ? __copy_skb_header+0x6b0/0x6b0 [ 342.867013] ? kmem_cache_alloc+0x33a/0x730 [ 342.871355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.876903] skb_ensure_writable+0x3dd/0x640 [ 342.881351] ? skb_checksum_setup+0xaa0/0xaa0 [ 342.885851] ? preempt_notifier_register+0x200/0x200 [ 342.891014] ? __switch_to_asm+0x34/0x70 [ 342.895077] ? __switch_to_asm+0x34/0x70 [ 342.899135] ? __switch_to_asm+0x40/0x70 [ 342.903194] ? __switch_to_asm+0x34/0x70 [ 342.907254] ? __switch_to_asm+0x40/0x70 [ 342.911318] ? __switch_to_asm+0x40/0x70 [ 342.915376] ? __switch_to_asm+0x34/0x70 [ 342.919440] ? __switch_to_asm+0x34/0x70 [ 342.923499] ? __switch_to_asm+0x40/0x70 [ 342.927559] ? __switch_to_asm+0x34/0x70 [ 342.931624] bpf_clone_redirect+0x14a/0x490 [ 342.935957] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 342.940900] ? __sched_text_start+0x8/0x8 [ 342.945056] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 342.949636] ? retint_kernel+0x2d/0x2d [ 342.953525] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.958463] ? find_held_lock+0x36/0x1c0 [ 342.962538] ? lock_acquire+0x1ed/0x520 [ 342.966514] ? bpf_test_run+0x3cb/0x780 [ 342.970490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.976030] ? check_preemption_disabled+0x48/0x280 [ 342.981055] ? kasan_check_read+0x11/0x20 [ 342.985202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.990479] ? rcu_softirq_qs+0x20/0x20 [ 342.994471] ? preempt_schedule+0x4d/0x60 [ 342.998637] ? ___preempt_schedule+0x16/0x18 [ 343.003054] ? bpf_test_run+0x25d/0x780 [ 343.007057] ? netlink_diag_dump+0x2a0/0x2a0 [ 343.011472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.017013] ? bpf_test_init.isra.10+0x70/0x100 [ 343.021689] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 343.026459] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.031303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.036842] ? fput+0x130/0x1a0 [ 343.040129] ? __bpf_prog_get+0x9b/0x290 [ 343.044195] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.049042] ? bpf_prog_test_run+0x130/0x1a0 [ 343.053458] ? __x64_sys_bpf+0x3d8/0x520 [ 343.057519] ? bpf_prog_get+0x20/0x20 [ 343.061340] ? do_syscall_64+0x1b9/0x820 [ 343.065408] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 343.070774] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.075706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.080550] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.085570] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.091047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.095945] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.101322] warn_alloc_show_mem: 1 callbacks suppressed [ 343.101334] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 343.101335] Mem-Info: [ 343.101367] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 343.101367] active_file:12 inactive_file:11 isolated_file:0 [ 343.101367] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.101367] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 343.101367] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 343.101367] free:13794 free_pcp:515 free_cma:0 [ 343.106705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.113545] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.115973] Call Trace: [ 343.148846] 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 [ 343.158189] dump_stack+0x244/0x39d [ 343.185657] lowmem_reserve[]: 0 2818 6321 6321 [ 343.188234] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.214313] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 343.217949] warn_alloc.cold.116+0xb7/0x1bd [ 343.222496] lowmem_reserve[]: 0 0 3503 3503 [ 343.227677] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.254975] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 343.259308] ? lock_downgrade+0x900/0x900 [ 343.263602] lowmem_reserve[]: 0 0 0 0 [ 343.268443] ? trace_hardirqs_off+0xb8/0x310 [ 343.297520] 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 [ 343.301660] ? trace_hardirqs_off+0xb8/0x310 [ 343.305431] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 343.309830] __alloc_pages_slowpath+0x2651/0x2de0 [ 343.323324] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 343.327743] ? warn_alloc+0x120/0x120 [ 343.342695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 343.347520] ? print_usage_bug+0xc0/0xc0 [ 343.362516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 343.366297] ? warn_alloc+0x120/0x120 [ 343.375103] 267 total pagecache pages [ 343.379170] ? warn_alloc+0x120/0x120 [ 343.387722] 0 pages in swap cache [ 343.391510] ? print_usage_bug+0xc0/0xc0 [ 343.395301] Swap cache stats: add 0, delete 0, find 0/0 [ 343.399088] ? print_usage_bug+0xc0/0xc0 [ 343.402515] Free swap = 0kB [ 343.406568] ? __lock_acquire+0x62f/0x4c20 [ 343.411904] Total swap = 0kB [ 343.411914] 1965979 pages RAM [ 343.415971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.418966] 0 pages HighMem/MovableOnly [ 343.423198] ? should_fail+0x22d/0xd01 [ 343.426207] 342854 pages reserved [ 343.429324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.434839] 0 pages cma reserved [ 343.438806] ? __lock_acquire+0x62f/0x4c20 [ 343.442746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.446116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.446131] ? __lock_acquire+0x62f/0x4c20 [ 343.446147] ? should_fail+0x22d/0xd01 [ 343.451289] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.454591] ? find_held_lock+0x36/0x1c0 [ 343.458803] syz-executor0 cpuset=syz0 mems_allowed=0 [ 343.465322] ? mark_held_locks+0x130/0x130 [ 343.502336] ? mark_held_locks+0x130/0x130 [ 343.506573] ? zap_class+0x640/0x640 [ 343.510288] ? mark_held_locks+0xc7/0x130 [ 343.514463] ? do_raw_spin_unlock+0xa7/0x330 [ 343.518871] ? zap_class+0x640/0x640 [ 343.522593] ? print_usage_bug+0xc0/0xc0 [ 343.526655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.532196] ? check_preemption_disabled+0x48/0x280 [ 343.537218] ? __lock_is_held+0xb5/0x140 [ 343.541281] __alloc_pages_nodemask+0xad8/0xea0 [ 343.545989] ? zap_class+0x640/0x640 [ 343.549717] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 343.554739] ? find_held_lock+0x36/0x1c0 [ 343.558808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.563474] ? lock_downgrade+0x900/0x900 [ 343.567626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.573162] cache_grow_begin+0xa5/0x8c0 [ 343.577221] ? do_raw_spin_unlock+0xa7/0x330 [ 343.581632] fallback_alloc+0x204/0x2e0 [ 343.585612] ____cache_alloc_node+0x1c7/0x1e0 [ 343.590108] kmem_cache_alloc_node+0xe3/0x730 [ 343.594601] ? ipv6_get_ifaddr+0x42e/0x620 [ 343.598860] __alloc_skb+0x119/0x770 [ 343.602578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.607857] ? netdev_alloc_frag+0x1f0/0x1f0 [ 343.612272] ? lock_downgrade+0x900/0x900 [ 343.616428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.621998] ? refcount_sub_and_test_checked+0x203/0x310 [ 343.627463] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 343.632918] ? addrconf_rs_timer+0x690/0x690 [ 343.637334] ndisc_alloc_skb+0x144/0x340 [ 343.641418] ndisc_send_rs+0x331/0x6e0 [ 343.645329] addrconf_rs_timer+0x314/0x690 [ 343.649567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.653817] call_timer_fn+0x272/0x920 [ 343.657718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.661955] ? process_timeout+0x40/0x40 [ 343.666022] ? __run_timers+0x7da/0xc70 [ 343.670003] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.674500] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.678993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.683227] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.687812] ? trace_hardirqs_on+0xbd/0x310 [ 343.692134] ? kasan_check_read+0x11/0x20 [ 343.696277] ? __run_timers+0x7da/0xc70 [ 343.700255] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.705364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.709606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.713841] __run_timers+0x7e5/0xc70 [ 343.717652] ? timer_fixup_init+0x70/0x70 [ 343.721807] ? find_held_lock+0x36/0x1c0 [ 343.725922] ? __schedule+0x168a/0x21d0 [ 343.729926] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.734433] ? pvclock_read_flags+0x160/0x160 [ 343.738934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.744470] ? check_preemption_disabled+0x48/0x280 [ 343.749524] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 343.755068] ? rcu_pm_notify+0xc0/0xc0 [ 343.758953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.764503] ? check_preemption_disabled+0x48/0x280 [ 343.769520] run_timer_softirq+0x52/0xb0 [ 343.773582] ? rcu_read_lock_sched_held+0x14f/0x180 [ 343.778598] __do_softirq+0x308/0xb7e [ 343.782400] ? retint_kernel+0x2d/0x2d [ 343.786319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 343.791440] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.796908] ? finish_task_switch+0x2f4/0x910 [ 343.801428] ? schedule+0x108/0x460 [ 343.805069] ? trace_hardirqs_off+0xb8/0x310 [ 343.809480] ? smpboot_thread_fn+0x68b/0xa00 [ 343.813912] ? trace_hardirqs_on+0x310/0x310 [ 343.818335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.823886] ? check_preemption_disabled+0x48/0x280 [ 343.828950] ? takeover_tasklets+0xa90/0xa90 [ 343.833372] run_ksoftirqd+0x5e/0x100 [ 343.837169] smpboot_thread_fn+0x68b/0xa00 [ 343.841405] ? sort_range+0x30/0x30 [ 343.845033] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 343.850140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.855679] ? __kthread_parkme+0xfb/0x1a0 [ 343.859922] ? sort_range+0x30/0x30 [ 343.863544] kthread+0x35a/0x440 [ 343.866922] ? kthread_stop+0x900/0x900 [ 343.870927] ret_from_fork+0x3a/0x50 [ 343.874658] CPU: 1 PID: 11016 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #305 [ 343.874731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.882014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.882019] Call Trace: [ 343.882025] [ 343.882042] dump_stack+0x244/0x39d [ 343.882060] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.888612] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.897895] warn_alloc.cold.116+0xb7/0x1bd [ 343.900451] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 343.902592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.935471] ? lock_downgrade+0x900/0x900 [ 343.939627] ? trace_hardirqs_off+0xb8/0x310 [ 343.944041] ? trace_hardirqs_off+0xb8/0x310 [ 343.948472] __alloc_pages_slowpath+0x2651/0x2de0 [ 343.953336] ? warn_alloc+0x120/0x120 [ 343.957136] ? print_usage_bug+0xc0/0xc0 [ 343.961306] ? warn_alloc+0x120/0x120 [ 343.965107] ? warn_alloc+0x120/0x120 [ 343.968917] ? print_usage_bug+0xc0/0xc0 [ 343.972998] ? print_usage_bug+0xc0/0xc0 [ 343.977061] ? __lock_acquire+0x62f/0x4c20 [ 343.981315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.986866] ? should_fail+0x22d/0xd01 [ 343.990779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.995889] ? __lock_acquire+0x62f/0x4c20 [ 344.000136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.005238] ? __lock_acquire+0x62f/0x4c20 [ 344.009486] ? should_fail+0x22d/0xd01 [ 344.013369] ? find_held_lock+0x36/0x1c0 [ 344.017442] ? mark_held_locks+0x130/0x130 [ 344.021682] ? mark_held_locks+0x130/0x130 [ 344.025915] ? zap_class+0x640/0x640 [ 344.029644] ? zap_class+0x640/0x640 [ 344.033364] ? print_usage_bug+0xc0/0xc0 [ 344.037424] ? do_raw_spin_unlock+0xa7/0x330 [ 344.041833] ? zap_class+0x640/0x640 [ 344.045583] ? print_usage_bug+0xc0/0xc0 [ 344.049655] ? wq_watchdog_touch+0x9c/0xfe [ 344.053901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.059439] ? check_preemption_disabled+0x48/0x280 [ 344.064492] ? __lock_is_held+0xb5/0x140 [ 344.068557] __alloc_pages_nodemask+0xad8/0xea0 [ 344.073222] ? zap_class+0x640/0x640 [ 344.076954] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 344.081987] ? find_held_lock+0x36/0x1c0 [ 344.086060] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.090731] ? lock_downgrade+0x900/0x900 [ 344.094895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.100468] cache_grow_begin+0xa5/0x8c0 [ 344.104534] ? do_raw_spin_unlock+0xa7/0x330 [ 344.108951] fallback_alloc+0x204/0x2e0 [ 344.112935] ____cache_alloc_node+0x1c7/0x1e0 [ 344.117439] kmem_cache_alloc_node+0xe3/0x730 [ 344.121935] ? ipv6_get_ifaddr+0x42e/0x620 [ 344.126178] __alloc_skb+0x119/0x770 [ 344.129900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.135184] ? netdev_alloc_frag+0x1f0/0x1f0 [ 344.139590] ? lock_downgrade+0x900/0x900 [ 344.143741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.149274] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.154723] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.160172] ? addrconf_rs_timer+0x690/0x690 [ 344.164635] ndisc_alloc_skb+0x144/0x340 [ 344.168699] ndisc_send_rs+0x331/0x6e0 [ 344.172586] addrconf_rs_timer+0x314/0x690 [ 344.176834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.181124] call_timer_fn+0x272/0x920 [ 344.185012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.189248] ? process_timeout+0x40/0x40 [ 344.193316] ? __run_timers+0x7da/0xc70 [ 344.197292] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.201799] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.206310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.210546] ? lockdep_hardirqs_on+0x296/0x5b0 [ 344.215133] ? trace_hardirqs_on+0xbd/0x310 [ 344.219457] ? kasan_check_read+0x11/0x20 [ 344.223604] ? __run_timers+0x7da/0xc70 [ 344.227592] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.232706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.236938] __run_timers+0x7e5/0xc70 [ 344.240766] ? timer_fixup_init+0x70/0x70 [ 344.244920] ? kasan_check_read+0x11/0x20 [ 344.249154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.254432] ? rcu_softirq_qs+0x20/0x20 [ 344.258409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.263980] ? check_preemption_disabled+0x48/0x280 [ 344.269004] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.273766] ? retint_kernel+0x2d/0x2d [ 344.277656] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.282584] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.287339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.292789] ? zap_class+0x640/0x640 [ 344.296509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.302047] ? check_preemption_disabled+0x48/0x280 [ 344.307087] ? __lock_is_held+0xb5/0x140 [ 344.311148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.316689] ? check_preemption_disabled+0x48/0x280 [ 344.321710] run_timer_softirq+0x52/0xb0 [ 344.325775] ? rcu_read_lock_sched_held+0x14f/0x180 [ 344.330791] __do_softirq+0x308/0xb7e [ 344.334591] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 344.339110] ? lock_downgrade+0x900/0x900 [ 344.343271] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 344.348374] ? pvclock_read_flags+0x160/0x160 [ 344.352868] ? lapic_next_event+0x5a/0x90 [ 344.357021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.362572] ? kvm_clock_read+0x18/0x30 [ 344.366543] ? kvm_sched_clock_read+0x9/0x20 [ 344.370965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.376503] ? check_preemption_disabled+0x48/0x280 [ 344.381525] irq_exit+0x17f/0x1c0 [ 344.384982] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.389842] ? smp_call_function_single_interrupt+0x159/0x650 [ 344.395748] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.401627] ? interrupt_entry+0xb5/0xc0 [ 344.405692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.410710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.415724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.420569] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.425581] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.430598] ? task_prio+0x50/0x50 [ 344.434137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.439673] ? check_preemption_disabled+0x48/0x280 [ 344.444695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.449544] apic_timer_interrupt+0xf/0x20 [ 344.453780] [ 344.456020] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 344.461908] 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 [ 344.480807] RSP: 0000:ffff88819204f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 344.488510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 344.495777] RDX: 0000000000000000 RSI: ffff8881bc3acd00 RDI: 0000000000000286 [ 344.503046] RBP: ffff88819204f510 R08: ffff8881bc3ac480 R09: 0000000000000000 [ 344.510307] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40 [ 344.517588] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286 [ 344.524888] ? save_stack+0xa9/0xd0 [ 344.528525] __kmalloc_node_track_caller+0x3c/0x70 [ 344.533460] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 344.538223] pskb_expand_head+0x230/0x10f0 [ 344.542460] ? memcpy+0x45/0x50 [ 344.545740] ? __copy_skb_header+0x350/0x6b0 [ 344.550145] ? skb_release_data+0x880/0x880 [ 344.554461] ? __alloc_skb+0x770/0x770 [ 344.558355] ? __lock_is_held+0xb5/0x140 [ 344.562425] ? kasan_check_write+0x14/0x20 [ 344.566661] ? __skb_clone+0x6c7/0xa00 [ 344.570547] ? __copy_skb_header+0x6b0/0x6b0 [ 344.574948] ? kmem_cache_alloc+0x33a/0x730 [ 344.579268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.584805] skb_ensure_writable+0x3dd/0x640 [ 344.589213] ? skb_checksum_setup+0xaa0/0xaa0 [ 344.593706] ? preempt_notifier_register+0x200/0x200 [ 344.598826] ? __switch_to_asm+0x34/0x70 [ 344.602877] ? __switch_to_asm+0x34/0x70 [ 344.606949] ? __switch_to_asm+0x40/0x70 [ 344.611004] ? __switch_to_asm+0x34/0x70 [ 344.615066] ? __switch_to_asm+0x40/0x70 [ 344.619127] ? __switch_to_asm+0x40/0x70 [ 344.623190] ? __switch_to_asm+0x34/0x70 [ 344.627251] ? __switch_to_asm+0x34/0x70 [ 344.631305] ? __switch_to_asm+0x40/0x70 [ 344.635373] ? __switch_to_asm+0x34/0x70 [ 344.639456] bpf_clone_redirect+0x14a/0x490 [ 344.643799] bpf_prog_d62c02b6f84b62a7+0x9f/0x1000 [ 344.648728] ? __sched_text_start+0x8/0x8 [ 344.652876] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.657493] ? retint_kernel+0x2d/0x2d [ 344.661388] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.666318] ? find_held_lock+0x36/0x1c0 [ 344.670383] ? lock_acquire+0x1ed/0x520 [ 344.674386] ? bpf_test_run+0x3cb/0x780 [ 344.678367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.683913] ? check_preemption_disabled+0x48/0x280 [ 344.688934] ? kasan_check_read+0x11/0x20 [ 344.693081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.698354] ? rcu_softirq_qs+0x20/0x20 [ 344.702337] ? preempt_schedule+0x4d/0x60 [ 344.706501] ? ___preempt_schedule+0x16/0x18 [ 344.710925] ? bpf_test_run+0x25d/0x780 [ 344.714915] ? netlink_diag_dump+0x2a0/0x2a0 [ 344.719340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.724877] ? bpf_test_init.isra.10+0x70/0x100 [ 344.729603] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 344.734384] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.739233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.744768] ? fput+0x130/0x1a0 [ 344.748052] ? __bpf_prog_get+0x9b/0x290 [ 344.752119] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.756979] ? bpf_prog_test_run+0x130/0x1a0 [ 344.761408] ? __x64_sys_bpf+0x3d8/0x520 [ 344.765467] ? bpf_prog_get+0x20/0x20 [ 344.769287] ? do_syscall_64+0x1b9/0x820 [ 344.773363] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 344.778743] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.783671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.788515] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.793534] ? prepare_exit_to_usermode+0x291/0x3b0 [ 344.798557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.803430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.808815] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 344.808820] warn_alloc_show_mem: 1 callbacks suppressed [ 344.808827] Mem-Info: [ 344.815661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.821030] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 344.821030] active_file:12 inactive_file:11 isolated_file:0 [ 344.821030] unevictable:0 dirty:0 writeback:0 unstable:0 [ 344.821030] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 344.821030] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 344.821030] free:13794 free_pcp:515 free_cma:0 [ 344.823418] Call Trace: [ 344.832807] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 344.865655] dump_stack+0x244/0x39d [ 344.868213] 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 [ 344.895717] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.899315] lowmem_reserve[]: 0 2818 6321 6321 [ 344.925422] warn_alloc.cold.116+0xb7/0x1bd [ 344.930582] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 344.935159] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.939455] lowmem_reserve[]: 0 0 3503 3503 [ 344.966773] ? lock_downgrade+0x900/0x900 [ 344.971589] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 344.975912] ? trace_hardirqs_off+0xb8/0x310 [ 344.980043] lowmem_reserve[]: 0 0 0 0 [ 345.009097] ? trace_hardirqs_off+0xb8/0x310 [ 345.013481] 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 [ 345.017308] __alloc_pages_slowpath+0x2651/0x2de0 [ 345.021690] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 345.035236] ? warn_alloc+0x120/0x120 [ 345.040035] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 345.055027] ? print_usage_bug+0xc0/0xc0 [ 345.058810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 345.073791] ? warn_alloc+0x120/0x120 [ 345.077831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 345.086650] ? warn_alloc+0x120/0x120 [ 345.090960] 267 total pagecache pages [ 345.099570] ? print_usage_bug+0xc0/0xc0 [ 345.103346] 0 pages in swap cache [ 345.107134] ? print_usage_bug+0xc0/0xc0 [ 345.111173] Swap cache stats: add 0, delete 0, find 0/0 [ 345.114608] ? __lock_acquire+0x62f/0x4c20 [ 345.118638] Free swap = 0kB [ 345.123993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.128212] Total swap = 0kB [ 345.131219] ? should_fail+0x22d/0xd01 [ 345.136734] 1965979 pages RAM [ 345.139741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.143599] 0 pages HighMem/MovableOnly [ 345.146694] ? __lock_acquire+0x62f/0x4c20 [ 345.151768] 342854 pages reserved [ 345.155746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.159951] 0 pages cma reserved [ 345.163392] ? __lock_acquire+0x62f/0x4c20 [ 345.168559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.171836] ? should_fail+0x22d/0xd01 [ 345.171851] ? find_held_lock+0x36/0x1c0 [ 345.190473] ? mark_held_locks+0x130/0x130 [ 345.194715] ? mark_held_locks+0x130/0x130 [ 345.195983] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.198965] ? zap_class+0x640/0x640 [ 345.198983] ? mark_held_locks+0xc7/0x130 [ 345.209271] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 345.212973] ? do_raw_spin_unlock+0xa7/0x330 [ 345.226137] ? zap_class+0x640/0x640 [ 345.229865] ? print_usage_bug+0xc0/0xc0 [ 345.233941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.239479] ? check_preemption_disabled+0x48/0x280 [ 345.244506] ? __lock_is_held+0xb5/0x140 [ 345.248574] __alloc_pages_nodemask+0xad8/0xea0 [ 345.253238] ? zap_class+0x640/0x640 [ 345.256954] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 345.262007] ? find_held_lock+0x36/0x1c0 [ 345.266091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.270805] ? lock_downgrade+0x900/0x900 [ 345.274972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.280543] cache_grow_begin+0xa5/0x8c0 [ 345.284628] ? do_raw_spin_unlock+0xa7/0x330 [ 345.289041] fallback_alloc+0x204/0x2e0 [ 345.293024] ____cache_alloc_node+0x1c7/0x1e0 [ 345.297525] kmem_cache_alloc_node+0xe3/0x730 [ 345.302020] ? ipv6_get_ifaddr+0x42e/0x620 [ 345.306260] __alloc_skb+0x119/0x770 [ 345.309969] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.315252] ? netdev_alloc_frag+0x1f0/0x1f0 [ 345.319660] ? lock_downgrade+0x900/0x900 [ 345.323810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.329346] ? refcount_sub_and_test_checked+0x203/0x310 [ 345.334798] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 345.340245] ? addrconf_rs_timer+0x690/0x690 [ 345.344679] ndisc_alloc_skb+0x144/0x340 [ 345.348773] ndisc_send_rs+0x331/0x6e0 [ 345.352683] addrconf_rs_timer+0x314/0x690 [ 345.356935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.361186] call_timer_fn+0x272/0x920 [ 345.365086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.369323] ? process_timeout+0x40/0x40 [ 345.373391] ? __run_timers+0x7da/0xc70 [ 345.377365] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.381869] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.386388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.390621] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.395208] ? trace_hardirqs_on+0xbd/0x310 [ 345.399526] ? kasan_check_read+0x11/0x20 [ 345.403670] ? __run_timers+0x7da/0xc70 [ 345.407640] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.412750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.416992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.421224] __run_timers+0x7e5/0xc70 [ 345.425032] ? timer_fixup_init+0x70/0x70 [ 345.429225] ? find_held_lock+0x36/0x1c0 [ 345.433311] ? __schedule+0x168a/0x21d0 [ 345.437300] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.441800] ? pvclock_read_flags+0x160/0x160 [ 345.446328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.451899] ? check_preemption_disabled+0x48/0x280 [ 345.456954] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 345.462495] ? rcu_pm_notify+0xc0/0xc0 [ 345.466383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.471960] ? check_preemption_disabled+0x48/0x280 [ 345.476982] run_timer_softirq+0x52/0xb0 [ 345.481044] ? rcu_read_lock_sched_held+0x14f/0x180 [ 345.486059] __do_softirq+0x308/0xb7e [ 345.489873] ? retint_kernel+0x2d/0x2d [ 345.493778] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 345.498920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.504371] ? finish_task_switch+0x2f4/0x910 [ 345.508867] ? schedule+0x108/0x460 [ 345.512510] ? trace_hardirqs_off+0xb8/0x310 [ 345.516919] ? smpboot_thread_fn+0x68b/0xa00 [ 345.521323] ? trace_hardirqs_on+0x310/0x310 [ 345.525727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.531261] ? check_preemption_disabled+0x48/0x280 [ 345.536276] ? takeover_tasklets+0xa90/0xa90 [ 345.540685] run_ksoftirqd+0x5e/0x100 [ 345.544482] smpboot_thread_fn+0x68b/0xa00 [ 345.548721] ? sort_range+0x30/0x30 [ 345.552346] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.557447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.562987] ? __kthread_parkme+0xfb/0x1a0 [ 345.567256] ? sort_range+0x30/0x30 [ 345.570892] kthread+0x35a/0x440 [ 345.574267] ? kthread_stop+0x900/0x900 [ 345.578240] ret_from_fork+0x3a/0x50 [ 345.582017] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 345.582082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.588948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.588953] Call Trace: [ 345.588969] dump_stack+0x244/0x39d [ 345.588989] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.595500] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.604807] warn_alloc.cold.116+0xb7/0x1bd [ 345.607360] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 345.610981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.640233] ? lock_downgrade+0x900/0x900 [ 345.644391] ? trace_hardirqs_off+0xb8/0x310 [ 345.648809] ? trace_hardirqs_off+0xb8/0x310 [ 345.653235] __alloc_pages_slowpath+0x2651/0x2de0 [ 345.658101] ? warn_alloc+0x120/0x120 [ 345.661909] ? warn_alloc+0x120/0x120 [ 345.665727] ? warn_alloc+0x120/0x120 [ 345.669527] ? print_usage_bug+0xc0/0xc0 [ 345.673587] ? ip6_mc_input+0xae0/0x11d0 [ 345.677643] ? print_usage_bug+0xc0/0xc0 [ 345.681724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.687255] ? should_fail+0x22d/0xd01 [ 345.691155] ? ipv6_dev_mc_dec+0x260/0x260 [ 345.695416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.700519] ? __lock_acquire+0x62f/0x4c20 [ 345.704753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.709889] ? should_fail+0x22d/0xd01 [ 345.713785] ? mark_held_locks+0x130/0x130 [ 345.718019] ? mark_held_locks+0x130/0x130 [ 345.722256] ? ipv6_rcv+0x419/0x640 [ 345.725893] ? lock_downgrade+0x900/0x900 [ 345.730041] ? check_preemption_disabled+0x48/0x280 [ 345.735073] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.740016] ? kasan_check_read+0x11/0x20 [ 345.744162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.749701] ? check_preemption_disabled+0x48/0x280 [ 345.754759] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 345.760294] ? rcu_pm_notify+0xc0/0xc0 [ 345.764198] __alloc_pages_nodemask+0xad8/0xea0 [ 345.768865] ? zap_class+0x640/0x640 [ 345.772588] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 345.777616] ? find_held_lock+0x36/0x1c0 [ 345.781706] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.786372] ? lock_downgrade+0x900/0x900 [ 345.790528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.796074] cache_grow_begin+0xa5/0x8c0 [ 345.800137] ? do_raw_spin_unlock+0xa7/0x330 [ 345.804567] fallback_alloc+0x204/0x2e0 [ 345.808544] ____cache_alloc_node+0x1c7/0x1e0 [ 345.813042] kmem_cache_alloc+0x1f8/0x730 [ 345.817189] ? __lock_is_held+0xb5/0x140 [ 345.821263] __build_skb+0xab/0x430 [ 345.824927] ? skb_try_coalesce+0x1b70/0x1b70 [ 345.829427] ? br_netif_receive_skb+0x107/0x210 [ 345.834099] ? __alloc_pages_nodemask+0xea0/0xea0 [ 345.838943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.844482] ? check_preemption_disabled+0x48/0x280 [ 345.849501] __napi_alloc_skb+0x1d6/0x310 [ 345.853653] page_to_skb.isra.45+0xee/0x8d0 [ 345.857976] ? check_preemption_disabled+0x48/0x280 [ 345.862993] ? virtnet_remove+0xf0/0xf0 [ 345.866965] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.871897] ? kasan_check_read+0x11/0x20 [ 345.876061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.881349] ? rcu_softirq_qs+0x20/0x20 [ 345.885359] receive_mergeable+0x155d/0x3a90 [ 345.889766] ? check_preemption_disabled+0x48/0x280 [ 345.894807] ? virtnet_probe+0x2240/0x2240 [ 345.899047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.904588] ? rt6_score_route+0x118/0x400 [ 345.908839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.914374] ? find_match+0x492/0x10a0 [ 345.918279] ? br_nf_hook_thresh+0x41a/0x5f0 [ 345.922686] ? zap_class+0x640/0x640 [ 345.926400] ? zap_class+0x640/0x640 [ 345.930134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.935684] ? check_preemption_disabled+0x48/0x280 [ 345.940704] ? __lock_is_held+0xb5/0x140 [ 345.944775] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.950307] ? fib6_table_lookup+0xcd5/0x1490 [ 345.954824] ? print_usage_bug+0xc0/0xc0 [ 345.959039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.964588] ? print_usage_bug+0xc0/0xc0 [ 345.968658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.974195] ? __rt6_find_exception_rcu+0x379/0x510 [ 345.979211] ? check_preemption_disabled+0x48/0x280 [ 345.984235] ? __lock_acquire+0x62f/0x4c20 [ 345.988473] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 345.994352] ? ret_from_fork+0x3a/0x50 [ 345.998249] ? ip6_pol_route+0x4a5/0x1a00 [ 346.002448] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 346.008329] ? ret_from_fork+0x3a/0x50 [ 346.012256] ? rb_erase_cached+0xc78/0x3720 [ 346.016586] ? rb_next+0x140/0x140 [ 346.020135] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 346.025183] ? unwind_dump+0x190/0x190 [ 346.029077] ? unwind_dump+0x190/0x190 [ 346.033013] ? unwind_next_frame+0x3e/0x50 [ 346.037252] ? __save_stack_trace+0x7d/0xf0 [ 346.041578] receive_buf+0xb0f/0x3230 [ 346.045409] ? save_stack+0xa9/0xd0 [ 346.049040] ? kasan_init_slab_obj+0x1/0x30 [ 346.053368] ? receive_mergeable+0x3a90/0x3a90 [ 346.057944] ? __netif_receive_skb+0x2c/0x1e0 [ 346.062437] ? process_backlog+0x24e/0x7a0 [ 346.066676] ? net_rx_action+0x7fa/0x19b0 [ 346.070834] ? __do_softirq+0x308/0xb7e [ 346.074822] ? run_ksoftirqd+0x5e/0x100 [ 346.078806] ? smpboot_thread_fn+0x68b/0xa00 [ 346.083240] ? kthread+0x35a/0x440 [ 346.086779] ? print_usage_bug+0xc0/0xc0 [ 346.090838] ? trace_hardirqs_on+0x310/0x310 [ 346.095243] ? trace_hardirqs_on+0xbd/0x310 [ 346.099561] ? zap_class+0x640/0x640 [ 346.103273] ? trace_hardirqs_off+0xb8/0x310 [ 346.107687] ? zap_class+0x640/0x640 [ 346.111410] ? __update_load_avg_se+0x5eb/0xae0 [ 346.116079] ? __lock_acquire+0x62f/0x4c20 [ 346.120331] ? __update_load_avg_blocked_se+0x690/0x690 [ 346.125693] ? __update_load_avg_se+0xae0/0xae0 [ 346.130371] ? __lock_is_held+0xb5/0x140 [ 346.134451] ? update_load_avg+0x387/0x2470 [ 346.138776] ? attach_entity_load_avg+0x860/0x860 [ 346.143631] ? update_load_avg+0x387/0x2470 [ 346.147967] ? mark_held_locks+0x130/0x130 [ 346.152206] ? attach_entity_load_avg+0x860/0x860 [ 346.157061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.162593] ? check_preemption_disabled+0x48/0x280 [ 346.167637] ? zap_class+0x640/0x640 [ 346.171352] ? ip6_mc_input+0x522/0x11d0 [ 346.175423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.180960] ? vring_use_dma_api+0xa5/0xc0 [ 346.185203] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.190746] ? vring_unmap_one+0x5a/0x410 [ 346.194907] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.200444] ? detach_buf+0x34b/0x5d0 [ 346.204253] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 346.209801] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 346.214559] ? virtqueue_detach_unused_buf+0x220/0x220 [ 346.219834] ? print_usage_bug+0xc0/0xc0 [ 346.223936] virtnet_poll+0x421/0x105f [ 346.227831] ? receive_buf+0x3230/0x3230 [ 346.231911] ? net_rx_action+0x4b5/0x19b0 [ 346.236070] ? net_rx_action+0x4b5/0x19b0 [ 346.240252] ? lockdep_hardirqs_on+0x296/0x5b0 [ 346.244846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.250378] ? check_preemption_disabled+0x48/0x280 [ 346.255390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.260976] net_rx_action+0x7fa/0x19b0 [ 346.264973] ? napi_complete_done+0x7a0/0x7a0 [ 346.269497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.275047] ? check_preemption_disabled+0x48/0x280 [ 346.280074] ? zap_class+0x640/0x640 [ 346.283812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.289364] ? find_held_lock+0x36/0x1c0 [ 346.293440] ? net_tx_action+0xa65/0x1000 [ 346.297590] ? lock_downgrade+0x900/0x900 [ 346.301736] ? xfrm_dev_backlog+0x41a/0x6c0 [ 346.306058] ? validate_xmit_xfrm+0xda0/0xda0 [ 346.310554] ? do_raw_spin_unlock+0xa7/0x330 [ 346.314964] ? do_raw_spin_trylock+0x270/0x270 [ 346.319561] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.324673] ? net_tx_action+0xa14/0x1000 [ 346.328824] ? clean_xps_maps+0x570/0x570 [ 346.332968] ? __switch_to_asm+0x40/0x70 [ 346.337040] ? __switch_to_asm+0x34/0x70 [ 346.341111] ? __switch_to_asm+0x40/0x70 [ 346.345167] ? __switch_to_asm+0x34/0x70 [ 346.349220] ? __switch_to_asm+0x40/0x70 [ 346.353289] ? __switch_to_asm+0x34/0x70 [ 346.357339] ? __switch_to_asm+0x40/0x70 [ 346.361422] ? pvclock_read_flags+0x160/0x160 [ 346.365943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.371523] ? check_preemption_disabled+0x48/0x280 [ 346.376562] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 346.382102] ? rcu_pm_notify+0xc0/0xc0 [ 346.386030] __do_softirq+0x308/0xb7e [ 346.389836] ? retint_kernel+0x2d/0x2d [ 346.393738] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 346.398838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.404297] ? schedule+0x108/0x460 [ 346.407932] ? trace_hardirqs_off+0xb8/0x310 [ 346.412340] ? smpboot_thread_fn+0x68b/0xa00 [ 346.416744] ? trace_hardirqs_on+0x310/0x310 [ 346.421164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.426713] ? check_preemption_disabled+0x48/0x280 [ 346.431731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.437273] ? takeover_tasklets+0xa90/0xa90 [ 346.441690] run_ksoftirqd+0x5e/0x100 [ 346.445493] smpboot_thread_fn+0x68b/0xa00 [ 346.449727] ? sort_range+0x30/0x30 [ 346.453371] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.458495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.464033] ? __kthread_parkme+0xfb/0x1a0 [ 346.468270] ? sort_range+0x30/0x30 [ 346.471903] kthread+0x35a/0x440 [ 346.475279] ? kthread_stop+0x900/0x900 [ 346.479251] ret_from_fork+0x3a/0x50 [ 346.482986] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 346.482991] warn_alloc_show_mem: 1 callbacks suppressed [ 346.482998] Mem-Info: [ 346.489843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.495204] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 346.495204] active_file:12 inactive_file:11 isolated_file:0 [ 346.495204] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.495204] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 346.495204] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 346.495204] free:13794 free_pcp:515 free_cma:0 [ 346.497576] Call Trace: [ 346.506979] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.539829] dump_stack+0x244/0x39d [ 346.542387] 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 [ 346.569875] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.573499] lowmem_reserve[]: 0 2818 6321 6321 [ 346.599609] warn_alloc.cold.116+0xb7/0x1bd [ 346.604766] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 346.609337] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.613633] lowmem_reserve[]: 0 0 3503 3503 [ 346.640949] ? lock_downgrade+0x900/0x900 [ 346.645762] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 346.650075] ? trace_hardirqs_off+0xb8/0x310 [ 346.654205] lowmem_reserve[]: 0 0 0 0 [ 346.683258] ? trace_hardirqs_off+0xb8/0x310 [ 346.687638] 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 [ 346.691432] __alloc_pages_slowpath+0x2651/0x2de0 [ 346.695835] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 346.709368] ? warn_alloc+0x120/0x120 [ 346.714161] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 346.729153] ? print_usage_bug+0xc0/0xc0 [ 346.732936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.747922] ? warn_alloc+0x120/0x120 [ 346.751973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.760799] ? warn_alloc+0x120/0x120 [ 346.764574] 267 total pagecache pages [ 346.773140] ? print_usage_bug+0xc0/0xc0 [ 346.776925] 0 pages in swap cache [ 346.780713] ? print_usage_bug+0xc0/0xc0 [ 346.784755] Swap cache stats: add 0, delete 0, find 0/0 [ 346.788198] ? __lock_acquire+0x62f/0x4c20 [ 346.792237] Free swap = 0kB [ 346.797598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.801820] Total swap = 0kB [ 346.804849] ? should_fail+0x22d/0xd01 [ 346.810362] 1965979 pages RAM [ 346.813371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.817232] 0 pages HighMem/MovableOnly [ 346.820330] ? __lock_acquire+0x62f/0x4c20 [ 346.825419] 342854 pages reserved [ 346.829382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.833589] 0 pages cma reserved [ 346.837033] ? __lock_acquire+0x62f/0x4c20 [ 346.842207] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.845468] ? should_fail+0x22d/0xd01 [ 346.849678] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 346.859985] ? find_held_lock+0x36/0x1c0 [ 346.872559] ? mark_held_locks+0x130/0x130 [ 346.876800] ? mark_held_locks+0x130/0x130 [ 346.881034] ? zap_class+0x640/0x640 [ 346.884746] ? zap_class+0x640/0x640 [ 346.888459] ? print_usage_bug+0xc0/0xc0 [ 346.892515] ? do_raw_spin_unlock+0xa7/0x330 [ 346.896958] ? zap_class+0x640/0x640 [ 346.900671] ? print_usage_bug+0xc0/0xc0 [ 346.904758] ? wq_watchdog_touch+0x9c/0xfe [ 346.908996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.914530] ? check_preemption_disabled+0x48/0x280 [ 346.919557] ? __lock_is_held+0xb5/0x140 [ 346.923667] __alloc_pages_nodemask+0xad8/0xea0 [ 346.928335] ? zap_class+0x640/0x640 [ 346.932060] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 346.937084] ? find_held_lock+0x36/0x1c0 [ 346.941148] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.945817] ? lock_downgrade+0x900/0x900 [ 346.949975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.955528] cache_grow_begin+0xa5/0x8c0 [ 346.960017] ? do_raw_spin_unlock+0xa7/0x330 [ 346.964445] fallback_alloc+0x204/0x2e0 [ 346.968418] ____cache_alloc_node+0x1c7/0x1e0 [ 346.972945] kmem_cache_alloc_node+0xe3/0x730 [ 346.977452] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.981694] __alloc_skb+0x119/0x770 [ 346.985405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.990679] ? netdev_alloc_frag+0x1f0/0x1f0 [ 346.995098] ? lock_downgrade+0x900/0x900 [ 346.999285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.004820] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.010277] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.015724] ? addrconf_rs_timer+0x690/0x690 [ 347.020155] ndisc_alloc_skb+0x144/0x340 [ 347.024253] ndisc_send_rs+0x331/0x6e0 [ 347.028155] addrconf_rs_timer+0x314/0x690 [ 347.032410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.036659] call_timer_fn+0x272/0x920 [ 347.040543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.044787] ? process_timeout+0x40/0x40 [ 347.048850] ? __run_timers+0x7da/0xc70 [ 347.052829] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.057318] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.061810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.066053] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.070630] ? trace_hardirqs_on+0xbd/0x310 [ 347.074949] ? kasan_check_read+0x11/0x20 [ 347.079091] ? __run_timers+0x7da/0xc70 [ 347.083069] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.088180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.092423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.096656] __run_timers+0x7e5/0xc70 [ 347.100464] ? timer_fixup_init+0x70/0x70 [ 347.104624] ? find_held_lock+0x36/0x1c0 [ 347.108695] ? __schedule+0x168a/0x21d0 [ 347.112667] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.117172] ? pvclock_read_flags+0x160/0x160 [ 347.121670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.127208] ? check_preemption_disabled+0x48/0x280 [ 347.132236] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 347.137776] ? rcu_pm_notify+0xc0/0xc0 [ 347.141661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.147200] ? check_preemption_disabled+0x48/0x280 [ 347.152231] run_timer_softirq+0x52/0xb0 [ 347.156290] ? rcu_read_lock_sched_held+0x14f/0x180 [ 347.161303] __do_softirq+0x308/0xb7e [ 347.165100] ? retint_kernel+0x2d/0x2d [ 347.168991] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 347.174088] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.179549] ? finish_task_switch+0x2f4/0x910 [ 347.184066] ? schedule+0x108/0x460 [ 347.187730] ? trace_hardirqs_off+0xb8/0x310 [ 347.192144] ? smpboot_thread_fn+0x68b/0xa00 [ 347.196551] ? trace_hardirqs_on+0x310/0x310 [ 347.200959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.206497] ? check_preemption_disabled+0x48/0x280 [ 347.211508] ? takeover_tasklets+0xa90/0xa90 [ 347.215932] run_ksoftirqd+0x5e/0x100 [ 347.219738] smpboot_thread_fn+0x68b/0xa00 [ 347.223975] ? sort_range+0x30/0x30 [ 347.227600] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.232698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.238236] ? __kthread_parkme+0xfb/0x1a0 [ 347.242468] ? sort_range+0x30/0x30 [ 347.246104] kthread+0x35a/0x440 [ 347.249484] ? kthread_stop+0x900/0x900 [ 347.253456] ret_from_fork+0x3a/0x50 [ 347.257185] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 347.257279] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.264123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.264131] Call Trace: [ 347.270737] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.279954] dump_stack+0x244/0x39d [ 347.282515] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 347.292817] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.306261] warn_alloc.cold.116+0xb7/0x1bd [ 347.310582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.315470] ? lock_downgrade+0x900/0x900 [ 347.319622] ? trace_hardirqs_off+0xb8/0x310 [ 347.324046] ? trace_hardirqs_off+0xb8/0x310 [ 347.328468] __alloc_pages_slowpath+0x2651/0x2de0 [ 347.333344] ? warn_alloc+0x120/0x120 [ 347.337155] ? warn_alloc+0x120/0x120 [ 347.340994] ? warn_alloc+0x120/0x120 [ 347.344843] ? print_usage_bug+0xc0/0xc0 [ 347.348921] ? ip6_mc_input+0xae0/0x11d0 [ 347.352983] ? print_usage_bug+0xc0/0xc0 [ 347.357066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.362618] ? should_fail+0x22d/0xd01 [ 347.366505] ? ipv6_dev_mc_dec+0x260/0x260 [ 347.370738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.375835] ? __lock_acquire+0x62f/0x4c20 [ 347.380094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.385254] ? should_fail+0x22d/0xd01 [ 347.389165] ? mark_held_locks+0x130/0x130 [ 347.393410] ? mark_held_locks+0x130/0x130 [ 347.397641] ? ipv6_rcv+0x419/0x640 [ 347.401265] ? lock_downgrade+0x900/0x900 [ 347.405414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.410954] ? check_preemption_disabled+0x48/0x280 [ 347.415988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.421522] ? check_preemption_disabled+0x48/0x280 [ 347.426577] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 347.432121] ? rcu_pm_notify+0xc0/0xc0 [ 347.436021] __alloc_pages_nodemask+0xad8/0xea0 [ 347.440689] ? zap_class+0x640/0x640 [ 347.444408] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 347.449450] ? find_held_lock+0x36/0x1c0 [ 347.453520] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.458193] ? lock_downgrade+0x900/0x900 [ 347.462347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.467892] cache_grow_begin+0xa5/0x8c0 [ 347.471952] ? do_raw_spin_unlock+0xa7/0x330 [ 347.476369] fallback_alloc+0x204/0x2e0 [ 347.480345] ____cache_alloc_node+0x1c7/0x1e0 [ 347.484849] kmem_cache_alloc+0x1f8/0x730 [ 347.489005] ? __lock_is_held+0xb5/0x140 [ 347.493073] __build_skb+0xab/0x430 [ 347.496698] ? skb_try_coalesce+0x1b70/0x1b70 [ 347.501194] ? br_netif_receive_skb+0x107/0x210 [ 347.505859] ? __alloc_pages_nodemask+0xea0/0xea0 [ 347.510711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.516264] ? check_preemption_disabled+0x48/0x280 [ 347.521282] __napi_alloc_skb+0x1d6/0x310 [ 347.525439] page_to_skb.isra.45+0xee/0x8d0 [ 347.529796] ? check_preemption_disabled+0x48/0x280 [ 347.534852] ? virtnet_remove+0xf0/0xf0 [ 347.538833] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.543759] ? kasan_check_read+0x11/0x20 [ 347.547906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.553214] ? rcu_softirq_qs+0x20/0x20 [ 347.557194] receive_mergeable+0x155d/0x3a90 [ 347.561600] ? check_preemption_disabled+0x48/0x280 [ 347.566621] ? virtnet_probe+0x2240/0x2240 [ 347.570852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.576442] ? rt6_score_route+0x118/0x400 [ 347.580678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.586215] ? find_match+0x492/0x10a0 [ 347.590114] ? br_nf_hook_thresh+0x41a/0x5f0 [ 347.594522] ? zap_class+0x640/0x640 [ 347.598244] ? zap_class+0x640/0x640 [ 347.601972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.607507] ? check_preemption_disabled+0x48/0x280 [ 347.612530] ? __lock_is_held+0xb5/0x140 [ 347.616621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.622184] ? fib6_table_lookup+0xcd5/0x1490 [ 347.626705] ? print_usage_bug+0xc0/0xc0 [ 347.630768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.636335] ? print_usage_bug+0xc0/0xc0 [ 347.640411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.645969] ? __rt6_find_exception_rcu+0x379/0x510 [ 347.650985] ? check_preemption_disabled+0x48/0x280 [ 347.656007] ? __lock_acquire+0x62f/0x4c20 [ 347.660261] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 347.666155] ? ret_from_fork+0x3a/0x50 [ 347.670041] ? ip6_pol_route+0x4a5/0x1a00 [ 347.674219] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 347.680099] ? ret_from_fork+0x3a/0x50 [ 347.684002] ? rb_erase_cached+0xc78/0x3720 [ 347.688342] ? rb_next+0x140/0x140 [ 347.691913] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 347.696922] ? unwind_dump+0x190/0x190 [ 347.700806] ? unwind_dump+0x190/0x190 [ 347.704720] ? unwind_next_frame+0x3e/0x50 [ 347.708989] ? __save_stack_trace+0x7d/0xf0 [ 347.713344] receive_buf+0xb0f/0x3230 [ 347.717143] ? save_stack+0xa9/0xd0 [ 347.720792] ? kasan_init_slab_obj+0x1/0x30 [ 347.725115] ? receive_mergeable+0x3a90/0x3a90 [ 347.729691] ? __netif_receive_skb+0x2c/0x1e0 [ 347.734179] ? process_backlog+0x24e/0x7a0 [ 347.738412] ? net_rx_action+0x7fa/0x19b0 [ 347.742584] ? __do_softirq+0x308/0xb7e [ 347.746556] ? run_ksoftirqd+0x5e/0x100 [ 347.750582] ? smpboot_thread_fn+0x68b/0xa00 [ 347.755002] ? kthread+0x35a/0x440 [ 347.758550] ? print_usage_bug+0xc0/0xc0 [ 347.762623] ? trace_hardirqs_on+0x310/0x310 [ 347.767034] ? trace_hardirqs_on+0xbd/0x310 [ 347.771354] ? zap_class+0x640/0x640 [ 347.775071] ? trace_hardirqs_off+0xb8/0x310 [ 347.779487] ? zap_class+0x640/0x640 [ 347.783217] ? __update_load_avg_se+0x5eb/0xae0 [ 347.787919] ? __lock_acquire+0x62f/0x4c20 [ 347.792157] ? __update_load_avg_blocked_se+0x690/0x690 [ 347.797522] ? __update_load_avg_se+0xae0/0xae0 [ 347.802185] ? __lock_is_held+0xb5/0x140 [ 347.806254] ? update_load_avg+0x387/0x2470 [ 347.810590] ? attach_entity_load_avg+0x860/0x860 [ 347.815443] ? update_load_avg+0x387/0x2470 [ 347.819778] ? mark_held_locks+0x130/0x130 [ 347.824015] ? attach_entity_load_avg+0x860/0x860 [ 347.828874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.834422] ? check_preemption_disabled+0x48/0x280 [ 347.839438] ? zap_class+0x640/0x640 [ 347.843150] ? ip6_mc_input+0x522/0x11d0 [ 347.847213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.852762] ? vring_use_dma_api+0xa5/0xc0 [ 347.856997] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.862536] ? vring_unmap_one+0x5a/0x410 [ 347.866692] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.872256] ? detach_buf+0x34b/0x5d0 [ 347.876067] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.881604] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 347.886368] ? virtqueue_detach_unused_buf+0x220/0x220 [ 347.891661] ? print_usage_bug+0xc0/0xc0 [ 347.895741] virtnet_poll+0x421/0x105f [ 347.899655] ? receive_buf+0x3230/0x3230 [ 347.903727] ? net_rx_action+0x4b5/0x19b0 [ 347.907898] ? net_rx_action+0x4b5/0x19b0 [ 347.912062] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.916662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.922200] ? check_preemption_disabled+0x48/0x280 [ 347.927218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.932755] net_rx_action+0x7fa/0x19b0 [ 347.936740] ? napi_complete_done+0x7a0/0x7a0 [ 347.941234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.946767] ? check_preemption_disabled+0x48/0x280 [ 347.951807] ? zap_class+0x640/0x640 [ 347.955542] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.961227] ? find_held_lock+0x36/0x1c0 [ 347.965309] ? net_tx_action+0xa65/0x1000 [ 347.969461] ? lock_downgrade+0x900/0x900 [ 347.973604] ? xfrm_dev_backlog+0x41a/0x6c0 [ 347.977928] ? validate_xmit_xfrm+0xda0/0xda0 [ 347.982447] ? do_raw_spin_unlock+0xa7/0x330 [ 347.986849] ? do_raw_spin_trylock+0x270/0x270 [ 347.991468] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.996581] ? net_tx_action+0xa14/0x1000 [ 348.000731] ? clean_xps_maps+0x570/0x570 [ 348.004875] ? __switch_to_asm+0x40/0x70 [ 348.008948] ? __switch_to_asm+0x34/0x70 [ 348.013035] ? __switch_to_asm+0x40/0x70 [ 348.017093] ? __switch_to_asm+0x34/0x70 [ 348.021150] ? __switch_to_asm+0x40/0x70 [ 348.025217] ? __switch_to_asm+0x34/0x70 [ 348.029271] ? __switch_to_asm+0x40/0x70 [ 348.033343] ? pvclock_read_flags+0x160/0x160 [ 348.037844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.043424] ? check_preemption_disabled+0x48/0x280 [ 348.048448] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 348.053986] ? rcu_pm_notify+0xc0/0xc0 [ 348.057894] __do_softirq+0x308/0xb7e [ 348.061724] ? retint_kernel+0x2d/0x2d [ 348.065611] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.070711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.076166] ? schedule+0x108/0x460 [ 348.079812] ? trace_hardirqs_off+0xb8/0x310 [ 348.084248] ? smpboot_thread_fn+0x68b/0xa00 [ 348.088674] ? trace_hardirqs_on+0x310/0x310 [ 348.093079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.098628] ? check_preemption_disabled+0x48/0x280 [ 348.103641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.109180] ? takeover_tasklets+0xa90/0xa90 [ 348.113601] run_ksoftirqd+0x5e/0x100 [ 348.117397] smpboot_thread_fn+0x68b/0xa00 [ 348.121634] ? sort_range+0x30/0x30 [ 348.125265] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.130364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.135918] ? __kthread_parkme+0xfb/0x1a0 [ 348.140186] ? sort_range+0x30/0x30 [ 348.143826] kthread+0x35a/0x440 [ 348.147209] ? kthread_stop+0x900/0x900 [ 348.151181] ret_from_fork+0x3a/0x50 [ 348.154927] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 348.154932] warn_alloc_show_mem: 1 callbacks suppressed [ 348.154939] Mem-Info: [ 348.161769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.167134] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 348.167134] active_file:12 inactive_file:11 isolated_file:0 [ 348.167134] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.167134] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 348.167134] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 348.167134] free:13794 free_pcp:515 free_cma:0 [ 348.169505] Call Trace: [ 348.178909] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.211761] dump_stack+0x244/0x39d [ 348.214318] 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 [ 348.241806] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.245401] lowmem_reserve[]: 0 2818 6321 6321 [ 348.271538] warn_alloc.cold.116+0xb7/0x1bd [ 348.276696] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 348.281267] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.285562] lowmem_reserve[]: 0 0 3503 3503 [ 348.312875] ? lock_downgrade+0x900/0x900 [ 348.317697] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 348.322018] ? trace_hardirqs_off+0xb8/0x310 [ 348.326139] lowmem_reserve[]: 0 0 0 0 [ 348.355195] ? trace_hardirqs_off+0xb8/0x310 [ 348.359575] 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 [ 348.363371] __alloc_pages_slowpath+0x2651/0x2de0 [ 348.367750] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 348.381283] ? warn_alloc+0x120/0x120 [ 348.386078] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 348.401069] ? print_usage_bug+0xc0/0xc0 [ 348.404846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.419825] ? warn_alloc+0x120/0x120 [ 348.423863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.432684] ? warn_alloc+0x120/0x120 [ 348.436476] 267 total pagecache pages [ 348.445086] ? print_usage_bug+0xc0/0xc0 [ 348.448862] 0 pages in swap cache [ 348.452697] ? print_usage_bug+0xc0/0xc0 [ 348.456750] Swap cache stats: add 0, delete 0, find 0/0 [ 348.456759] Free swap = 0kB [ 348.460234] ? __lock_acquire+0x62f/0x4c20 [ 348.464269] Total swap = 0kB [ 348.469636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.472625] 1965979 pages RAM [ 348.476847] ? should_fail+0x22d/0xd01 [ 348.479835] 0 pages HighMem/MovableOnly [ 348.485362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.488440] 342854 pages reserved [ 348.492329] ? __lock_acquire+0x62f/0x4c20 [ 348.496273] 0 pages cma reserved [ 348.501364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.504907] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.509021] ? __lock_acquire+0x62f/0x4c20 [ 348.512364] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 348.517456] ? should_fail+0x22d/0xd01 [ 348.540489] ? find_held_lock+0x36/0x1c0 [ 348.544560] ? mark_held_locks+0x130/0x130 [ 348.548798] ? mark_held_locks+0x130/0x130 [ 348.553028] ? zap_class+0x640/0x640 [ 348.556744] ? mark_held_locks+0xc7/0x130 [ 348.560898] ? do_raw_spin_unlock+0xa7/0x330 [ 348.565322] ? zap_class+0x640/0x640 [ 348.569032] ? print_usage_bug+0xc0/0xc0 [ 348.573098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.578637] ? check_preemption_disabled+0x48/0x280 [ 348.583707] ? __lock_is_held+0xb5/0x140 [ 348.587771] __alloc_pages_nodemask+0xad8/0xea0 [ 348.592437] ? zap_class+0x640/0x640 [ 348.596157] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 348.601183] ? find_held_lock+0x36/0x1c0 [ 348.605255] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.609933] ? lock_downgrade+0x900/0x900 [ 348.614088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.619634] cache_grow_begin+0xa5/0x8c0 [ 348.623698] ? do_raw_spin_unlock+0xa7/0x330 [ 348.628144] fallback_alloc+0x204/0x2e0 [ 348.632119] ____cache_alloc_node+0x1c7/0x1e0 [ 348.636660] kmem_cache_alloc_node+0xe3/0x730 [ 348.641157] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.645416] __alloc_skb+0x119/0x770 [ 348.649130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.654407] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.658813] ? lock_downgrade+0x900/0x900 [ 348.662964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.668500] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.673954] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.679403] ? addrconf_rs_timer+0x690/0x690 [ 348.683827] ndisc_alloc_skb+0x144/0x340 [ 348.687895] ndisc_send_rs+0x331/0x6e0 [ 348.691800] addrconf_rs_timer+0x314/0x690 [ 348.696035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.700281] call_timer_fn+0x272/0x920 [ 348.704162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.708418] ? process_timeout+0x40/0x40 [ 348.712496] ? __run_timers+0x7da/0xc70 [ 348.716470] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.720965] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.725468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.729701] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.734279] ? trace_hardirqs_on+0xbd/0x310 [ 348.738615] ? kasan_check_read+0x11/0x20 [ 348.742760] ? __run_timers+0x7da/0xc70 [ 348.746731] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.751833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.756072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.760302] __run_timers+0x7e5/0xc70 [ 348.764108] ? timer_fixup_init+0x70/0x70 [ 348.768273] ? find_held_lock+0x36/0x1c0 [ 348.772341] ? __schedule+0x168a/0x21d0 [ 348.776333] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.780836] ? pvclock_read_flags+0x160/0x160 [ 348.785331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.790873] ? check_preemption_disabled+0x48/0x280 [ 348.795940] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 348.801482] ? rcu_pm_notify+0xc0/0xc0 [ 348.805368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.810915] ? check_preemption_disabled+0x48/0x280 [ 348.815950] run_timer_softirq+0x52/0xb0 [ 348.820009] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.825028] __do_softirq+0x308/0xb7e [ 348.828834] ? retint_kernel+0x2d/0x2d [ 348.832723] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.837826] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.843274] ? finish_task_switch+0x2f4/0x910 [ 348.847776] ? schedule+0x108/0x460 [ 348.851413] ? trace_hardirqs_off+0xb8/0x310 [ 348.855821] ? smpboot_thread_fn+0x68b/0xa00 [ 348.860229] ? trace_hardirqs_on+0x310/0x310 [ 348.864638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.870188] ? check_preemption_disabled+0x48/0x280 [ 348.875203] ? takeover_tasklets+0xa90/0xa90 [ 348.879630] run_ksoftirqd+0x5e/0x100 [ 348.883429] smpboot_thread_fn+0x68b/0xa00 [ 348.887668] ? sort_range+0x30/0x30 [ 348.891304] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.896404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.901975] ? __kthread_parkme+0xfb/0x1a0 [ 348.906211] ? sort_range+0x30/0x30 [ 348.909854] kthread+0x35a/0x440 [ 348.913235] ? kthread_stop+0x900/0x900 [ 348.917212] ret_from_fork+0x3a/0x50 [ 348.920977] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 348.921035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.927902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.927907] Call Trace: [ 348.927924] dump_stack+0x244/0x39d [ 348.927943] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.927966] warn_alloc.cold.116+0xb7/0x1bd [ 348.934483] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.943782] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.946344] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 348.949967] ? lock_downgrade+0x900/0x900 [ 348.983372] ? trace_hardirqs_off+0xb8/0x310 [ 348.987794] ? trace_hardirqs_off+0xb8/0x310 [ 348.992211] __alloc_pages_slowpath+0x2651/0x2de0 [ 348.997086] ? warn_alloc+0x120/0x120 [ 349.000925] ? warn_alloc+0x120/0x120 [ 349.004745] ? warn_alloc+0x120/0x120 [ 349.008547] ? print_usage_bug+0xc0/0xc0 [ 349.012626] ? ip6_mc_input+0xae0/0x11d0 [ 349.016722] ? print_usage_bug+0xc0/0xc0 [ 349.020793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.026328] ? should_fail+0x22d/0xd01 [ 349.030216] ? ipv6_dev_mc_dec+0x260/0x260 [ 349.034451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.039555] ? __lock_acquire+0x62f/0x4c20 [ 349.043818] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.048954] ? should_fail+0x22d/0xd01 [ 349.052920] ? mark_held_locks+0x130/0x130 [ 349.057169] ? mark_held_locks+0x130/0x130 [ 349.061411] ? ipv6_rcv+0x419/0x640 [ 349.065038] ? lock_downgrade+0x900/0x900 [ 349.069190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.074733] ? check_preemption_disabled+0x48/0x280 [ 349.079752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.085285] ? check_preemption_disabled+0x48/0x280 [ 349.090793] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 349.096344] ? rcu_pm_notify+0xc0/0xc0 [ 349.100240] __alloc_pages_nodemask+0xad8/0xea0 [ 349.104913] ? zap_class+0x640/0x640 [ 349.108647] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 349.113674] ? find_held_lock+0x36/0x1c0 [ 349.117741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.122412] ? lock_downgrade+0x900/0x900 [ 349.126559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.132098] cache_grow_begin+0xa5/0x8c0 [ 349.136152] ? do_raw_spin_unlock+0xa7/0x330 [ 349.140568] fallback_alloc+0x204/0x2e0 [ 349.144549] ____cache_alloc_node+0x1c7/0x1e0 [ 349.149044] kmem_cache_alloc+0x1f8/0x730 [ 349.153190] ? __lock_is_held+0xb5/0x140 [ 349.157256] __build_skb+0xab/0x430 [ 349.160890] ? skb_try_coalesce+0x1b70/0x1b70 [ 349.165388] ? br_netif_receive_skb+0x107/0x210 [ 349.170061] ? __alloc_pages_nodemask+0xea0/0xea0 [ 349.174909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.180450] ? check_preemption_disabled+0x48/0x280 [ 349.185473] __napi_alloc_skb+0x1d6/0x310 [ 349.189625] page_to_skb.isra.45+0xee/0x8d0 [ 349.193947] ? check_preemption_disabled+0x48/0x280 [ 349.198962] ? virtnet_remove+0xf0/0xf0 [ 349.202950] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.207879] ? kasan_check_read+0x11/0x20 [ 349.212051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.217329] ? rcu_softirq_qs+0x20/0x20 [ 349.221309] receive_mergeable+0x155d/0x3a90 [ 349.225719] ? check_preemption_disabled+0x48/0x280 [ 349.230746] ? virtnet_probe+0x2240/0x2240 [ 349.234987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.240541] ? rt6_score_route+0x118/0x400 [ 349.244785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.250320] ? find_match+0x492/0x10a0 [ 349.254226] ? br_nf_hook_thresh+0x41a/0x5f0 [ 349.258639] ? zap_class+0x640/0x640 [ 349.262350] ? zap_class+0x640/0x640 [ 349.266065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.271608] ? check_preemption_disabled+0x48/0x280 [ 349.276631] ? __lock_is_held+0xb5/0x140 [ 349.280702] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.286251] ? fib6_table_lookup+0xcd5/0x1490 [ 349.290770] ? print_usage_bug+0xc0/0xc0 [ 349.294830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.300378] ? print_usage_bug+0xc0/0xc0 [ 349.304464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.310002] ? __rt6_find_exception_rcu+0x379/0x510 [ 349.315032] ? check_preemption_disabled+0x48/0x280 [ 349.320054] ? __lock_acquire+0x62f/0x4c20 [ 349.324292] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 349.330198] ? ret_from_fork+0x3a/0x50 [ 349.334082] ? ip6_pol_route+0x4a5/0x1a00 [ 349.338246] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 349.344125] ? ret_from_fork+0x3a/0x50 [ 349.348015] ? rb_erase_cached+0xc78/0x3720 [ 349.352337] ? rb_next+0x140/0x140 [ 349.355876] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 349.360905] ? unwind_dump+0x190/0x190 [ 349.364803] ? unwind_dump+0x190/0x190 [ 349.368703] ? unwind_next_frame+0x3e/0x50 [ 349.372942] ? __save_stack_trace+0x7d/0xf0 [ 349.377267] receive_buf+0xb0f/0x3230 [ 349.381069] ? save_stack+0xa9/0xd0 [ 349.384699] ? kasan_init_slab_obj+0x1/0x30 [ 349.389050] ? receive_mergeable+0x3a90/0x3a90 [ 349.393633] ? __netif_receive_skb+0x2c/0x1e0 [ 349.398121] ? process_backlog+0x24e/0x7a0 [ 349.402347] ? net_rx_action+0x7fa/0x19b0 [ 349.406490] ? __do_softirq+0x308/0xb7e [ 349.410460] ? run_ksoftirqd+0x5e/0x100 [ 349.414436] ? smpboot_thread_fn+0x68b/0xa00 [ 349.418841] ? kthread+0x35a/0x440 [ 349.422382] ? print_usage_bug+0xc0/0xc0 [ 349.426457] ? trace_hardirqs_on+0x310/0x310 [ 349.430864] ? trace_hardirqs_on+0xbd/0x310 [ 349.435207] ? zap_class+0x640/0x640 [ 349.438938] ? trace_hardirqs_off+0xb8/0x310 [ 349.443365] ? zap_class+0x640/0x640 [ 349.447085] ? __update_load_avg_se+0x5eb/0xae0 [ 349.451766] ? __lock_acquire+0x62f/0x4c20 [ 349.456002] ? __update_load_avg_blocked_se+0x690/0x690 [ 349.461374] ? __update_load_avg_se+0xae0/0xae0 [ 349.466043] ? __lock_is_held+0xb5/0x140 [ 349.470127] ? update_load_avg+0x387/0x2470 [ 349.474455] ? attach_entity_load_avg+0x860/0x860 [ 349.479333] ? update_load_avg+0x387/0x2470 [ 349.483670] ? mark_held_locks+0x130/0x130 [ 349.487909] ? attach_entity_load_avg+0x860/0x860 [ 349.492753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.498290] ? check_preemption_disabled+0x48/0x280 [ 349.503311] ? zap_class+0x640/0x640 [ 349.507028] ? ip6_mc_input+0x522/0x11d0 [ 349.511095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.516629] ? vring_use_dma_api+0xa5/0xc0 [ 349.520863] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.526428] ? vring_unmap_one+0x5a/0x410 [ 349.530576] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.536146] ? detach_buf+0x34b/0x5d0 [ 349.539959] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 349.545497] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 349.550290] ? virtqueue_detach_unused_buf+0x220/0x220 [ 349.555568] ? print_usage_bug+0xc0/0xc0 [ 349.559634] virtnet_poll+0x421/0x105f [ 349.563531] ? receive_buf+0x3230/0x3230 [ 349.567620] ? net_rx_action+0x4b5/0x19b0 [ 349.571764] ? net_rx_action+0x4b5/0x19b0 [ 349.575922] ? lockdep_hardirqs_on+0x296/0x5b0 [ 349.580528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.586068] ? check_preemption_disabled+0x48/0x280 [ 349.591082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.596626] net_rx_action+0x7fa/0x19b0 [ 349.600628] ? napi_complete_done+0x7a0/0x7a0 [ 349.605122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.610656] ? check_preemption_disabled+0x48/0x280 [ 349.615681] ? zap_class+0x640/0x640 [ 349.619414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.624973] ? find_held_lock+0x36/0x1c0 [ 349.629043] ? net_tx_action+0xa65/0x1000 [ 349.633191] ? lock_downgrade+0x900/0x900 [ 349.637340] ? xfrm_dev_backlog+0x41a/0x6c0 [ 349.641669] ? validate_xmit_xfrm+0xda0/0xda0 [ 349.646161] ? do_raw_spin_unlock+0xa7/0x330 [ 349.650568] ? do_raw_spin_trylock+0x270/0x270 [ 349.655152] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.660270] ? net_tx_action+0xa14/0x1000 [ 349.664428] ? clean_xps_maps+0x570/0x570 [ 349.668574] ? __switch_to_asm+0x40/0x70 [ 349.672630] ? __switch_to_asm+0x34/0x70 [ 349.676687] ? __switch_to_asm+0x40/0x70 [ 349.680773] ? __switch_to_asm+0x34/0x70 [ 349.684846] ? __switch_to_asm+0x40/0x70 [ 349.688937] ? __switch_to_asm+0x34/0x70 [ 349.692997] ? __switch_to_asm+0x40/0x70 [ 349.697066] ? pvclock_read_flags+0x160/0x160 [ 349.701559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.707112] ? check_preemption_disabled+0x48/0x280 [ 349.712135] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 349.717670] ? rcu_pm_notify+0xc0/0xc0 [ 349.721586] __do_softirq+0x308/0xb7e [ 349.725387] ? retint_kernel+0x2d/0x2d [ 349.729283] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 349.734383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.739854] ? schedule+0x108/0x460 [ 349.743495] ? trace_hardirqs_off+0xb8/0x310 [ 349.747914] ? smpboot_thread_fn+0x68b/0xa00 [ 349.752318] ? trace_hardirqs_on+0x310/0x310 [ 349.756726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.762262] ? check_preemption_disabled+0x48/0x280 [ 349.767275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.772825] ? takeover_tasklets+0xa90/0xa90 [ 349.777247] run_ksoftirqd+0x5e/0x100 [ 349.781059] smpboot_thread_fn+0x68b/0xa00 [ 349.785293] ? sort_range+0x30/0x30 [ 349.788923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.794027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.799564] ? __kthread_parkme+0xfb/0x1a0 [ 349.803801] ? sort_range+0x30/0x30 [ 349.807441] kthread+0x35a/0x440 [ 349.810809] ? kthread_stop+0x900/0x900 [ 349.814787] ret_from_fork+0x3a/0x50 [ 349.818512] warn_alloc_show_mem: 1 callbacks suppressed [ 349.818523] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 349.818525] Mem-Info: [ 349.818555] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 349.818555] active_file:12 inactive_file:11 isolated_file:0 [ 349.818555] unevictable:0 dirty:0 writeback:0 unstable:0 [ 349.818555] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 349.818555] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 349.818555] free:13794 free_pcp:515 free_cma:0 [ 349.823892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.830748] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 349.833143] Call Trace: [ 349.866006] 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 [ 349.875352] dump_stack+0x244/0x39d [ 349.902823] lowmem_reserve[]: 0 2818 6321 6321 [ 349.905404] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.931487] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 349.935116] warn_alloc.cold.116+0xb7/0x1bd [ 349.939663] lowmem_reserve[]: 0 0 3503 3503 [ 349.944846] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.972311] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 349.976657] ? lock_downgrade+0x900/0x900 [ 349.980966] lowmem_reserve[]: 0 0 0 0 [ 349.985802] ? trace_hardirqs_off+0xb8/0x310 [ 350.014863] 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 [ 350.019049] ? trace_hardirqs_off+0xb8/0x310 [ 350.022823] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 350.027243] __alloc_pages_slowpath+0x2651/0x2de0 [ 350.040729] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 350.045189] ? warn_alloc+0x120/0x120 [ 350.060148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.064981] ? print_usage_bug+0xc0/0xc0 [ 350.079983] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.083770] ? warn_alloc+0x120/0x120 [ 350.092599] 267 total pagecache pages [ 350.096674] ? warn_alloc+0x120/0x120 [ 350.105227] 0 pages in swap cache [ 350.109014] ? print_usage_bug+0xc0/0xc0 [ 350.112794] Swap cache stats: add 0, delete 0, find 0/0 [ 350.116598] ? print_usage_bug+0xc0/0xc0 [ 350.120027] Free swap = 0kB [ 350.124082] ? __lock_acquire+0x62f/0x4c20 [ 350.129422] Total swap = 0kB [ 350.133473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.136462] 1965979 pages RAM [ 350.140688] ? should_fail+0x22d/0xd01 [ 350.143681] 0 pages HighMem/MovableOnly [ 350.149207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.152285] 342854 pages reserved [ 350.156178] ? __lock_acquire+0x62f/0x4c20 [ 350.160148] 0 pages cma reserved [ 350.165260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.168788] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.172931] ? __lock_acquire+0x62f/0x4c20 [ 350.176271] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 350.181368] ? should_fail+0x22d/0xd01 [ 350.204437] ? find_held_lock+0x36/0x1c0 [ 350.208508] ? mark_held_locks+0x130/0x130 [ 350.212765] ? mark_held_locks+0x130/0x130 [ 350.217027] ? zap_class+0x640/0x640 [ 350.220739] ? zap_class+0x640/0x640 [ 350.224459] ? print_usage_bug+0xc0/0xc0 [ 350.228515] ? do_raw_spin_unlock+0xa7/0x330 [ 350.232958] ? zap_class+0x640/0x640 [ 350.236670] ? print_usage_bug+0xc0/0xc0 [ 350.240729] ? wq_watchdog_touch+0x9c/0xfe [ 350.244983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.250520] ? check_preemption_disabled+0x48/0x280 [ 350.255544] ? __lock_is_held+0xb5/0x140 [ 350.259621] __alloc_pages_nodemask+0xad8/0xea0 [ 350.264290] ? zap_class+0x640/0x640 [ 350.268019] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 350.273062] ? find_held_lock+0x36/0x1c0 [ 350.277133] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.281799] ? lock_downgrade+0x900/0x900 [ 350.285951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.291492] cache_grow_begin+0xa5/0x8c0 [ 350.295551] ? do_raw_spin_unlock+0xa7/0x330 [ 350.299966] fallback_alloc+0x204/0x2e0 [ 350.303943] ____cache_alloc_node+0x1c7/0x1e0 [ 350.308443] kmem_cache_alloc_node+0xe3/0x730 [ 350.312944] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.317189] __alloc_skb+0x119/0x770 [ 350.320912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.326213] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.330619] ? lock_downgrade+0x900/0x900 [ 350.334774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.340306] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.345755] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.351199] ? addrconf_rs_timer+0x690/0x690 [ 350.355614] ndisc_alloc_skb+0x144/0x340 [ 350.359678] ndisc_send_rs+0x331/0x6e0 [ 350.363602] addrconf_rs_timer+0x314/0x690 [ 350.367839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.372080] call_timer_fn+0x272/0x920 [ 350.375962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.380194] ? process_timeout+0x40/0x40 [ 350.384272] ? __run_timers+0x7da/0xc70 [ 350.388249] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.392737] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.397228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.401464] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.406044] ? trace_hardirqs_on+0xbd/0x310 [ 350.410360] ? kasan_check_read+0x11/0x20 [ 350.414502] ? __run_timers+0x7da/0xc70 [ 350.418473] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.423577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.427812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.432041] __run_timers+0x7e5/0xc70 [ 350.435848] ? timer_fixup_init+0x70/0x70 [ 350.440008] ? find_held_lock+0x36/0x1c0 [ 350.444077] ? __schedule+0x168a/0x21d0 [ 350.448049] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.452553] ? pvclock_read_flags+0x160/0x160 [ 350.457054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.462590] ? check_preemption_disabled+0x48/0x280 [ 350.467616] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 350.473152] ? rcu_pm_notify+0xc0/0xc0 [ 350.477039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.482572] ? check_preemption_disabled+0x48/0x280 [ 350.487588] run_timer_softirq+0x52/0xb0 [ 350.491647] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.496662] __do_softirq+0x308/0xb7e [ 350.500490] ? retint_kernel+0x2d/0x2d [ 350.504377] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.509476] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.514962] ? finish_task_switch+0x2f4/0x910 [ 350.519465] ? schedule+0x108/0x460 [ 350.523100] ? trace_hardirqs_off+0xb8/0x310 [ 350.527509] ? smpboot_thread_fn+0x68b/0xa00 [ 350.531981] ? trace_hardirqs_on+0x310/0x310 [ 350.536406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.541962] ? check_preemption_disabled+0x48/0x280 [ 350.546980] ? takeover_tasklets+0xa90/0xa90 [ 350.551392] run_ksoftirqd+0x5e/0x100 [ 350.555190] smpboot_thread_fn+0x68b/0xa00 [ 350.559426] ? sort_range+0x30/0x30 [ 350.563056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.568171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.573754] ? __kthread_parkme+0xfb/0x1a0 [ 350.577989] ? sort_range+0x30/0x30 [ 350.581616] kthread+0x35a/0x440 [ 350.584985] ? kthread_stop+0x900/0x900 [ 350.589024] ret_from_fork+0x3a/0x50 [ 350.592768] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 350.592829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.599690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.599696] Call Trace: [ 350.599713] dump_stack+0x244/0x39d [ 350.599731] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.606283] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.615559] warn_alloc.cold.116+0xb7/0x1bd [ 350.618112] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 350.621746] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.650993] ? lock_downgrade+0x900/0x900 [ 350.655145] ? trace_hardirqs_off+0xb8/0x310 [ 350.659561] ? trace_hardirqs_off+0xb8/0x310 [ 350.663977] __alloc_pages_slowpath+0x2651/0x2de0 [ 350.668877] ? warn_alloc+0x120/0x120 [ 350.672689] ? warn_alloc+0x120/0x120 [ 350.676494] ? warn_alloc+0x120/0x120 [ 350.680293] ? print_usage_bug+0xc0/0xc0 [ 350.684354] ? ip6_mc_input+0xae0/0x11d0 [ 350.688417] ? print_usage_bug+0xc0/0xc0 [ 350.692488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.698022] ? should_fail+0x22d/0xd01 [ 350.701910] ? ipv6_dev_mc_dec+0x260/0x260 [ 350.706145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.711245] ? __lock_acquire+0x62f/0x4c20 [ 350.715481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.720579] ? should_fail+0x22d/0xd01 [ 350.724485] ? mark_held_locks+0x130/0x130 [ 350.728725] ? mark_held_locks+0x130/0x130 [ 350.732973] ? ipv6_rcv+0x419/0x640 [ 350.736597] ? lock_downgrade+0x900/0x900 [ 350.740747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.746288] ? check_preemption_disabled+0x48/0x280 [ 350.751311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.756846] ? check_preemption_disabled+0x48/0x280 [ 350.761870] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 350.767418] ? rcu_pm_notify+0xc0/0xc0 [ 350.771308] __alloc_pages_nodemask+0xad8/0xea0 [ 350.776003] ? zap_class+0x640/0x640 [ 350.779720] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 350.784790] ? find_held_lock+0x36/0x1c0 [ 350.788894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.793565] ? lock_downgrade+0x900/0x900 [ 350.797736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.803293] cache_grow_begin+0xa5/0x8c0 [ 350.807349] ? do_raw_spin_unlock+0xa7/0x330 [ 350.811769] fallback_alloc+0x204/0x2e0 [ 350.815745] ____cache_alloc_node+0x1c7/0x1e0 [ 350.820241] kmem_cache_alloc+0x1f8/0x730 [ 350.824387] ? __lock_is_held+0xb5/0x140 [ 350.828465] __build_skb+0xab/0x430 [ 350.832092] ? skb_try_coalesce+0x1b70/0x1b70 [ 350.836592] ? br_netif_receive_skb+0x107/0x210 [ 350.841262] ? __alloc_pages_nodemask+0xea0/0xea0 [ 350.846103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.851638] ? check_preemption_disabled+0x48/0x280 [ 350.856657] __napi_alloc_skb+0x1d6/0x310 [ 350.860865] page_to_skb.isra.45+0xee/0x8d0 [ 350.865217] ? check_preemption_disabled+0x48/0x280 [ 350.870233] ? virtnet_remove+0xf0/0xf0 [ 350.874201] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.879140] ? kasan_check_read+0x11/0x20 [ 350.883304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.888577] ? rcu_softirq_qs+0x20/0x20 [ 350.892589] receive_mergeable+0x155d/0x3a90 [ 350.896997] ? check_preemption_disabled+0x48/0x280 [ 350.902028] ? virtnet_probe+0x2240/0x2240 [ 350.906269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.911806] ? rt6_score_route+0x118/0x400 [ 350.916047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.921582] ? find_match+0x492/0x10a0 [ 350.925486] ? br_nf_hook_thresh+0x41a/0x5f0 [ 350.929901] ? zap_class+0x640/0x640 [ 350.933612] ? zap_class+0x640/0x640 [ 350.937329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.942866] ? check_preemption_disabled+0x48/0x280 [ 350.947922] ? __lock_is_held+0xb5/0x140 [ 350.952002] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.957539] ? fib6_table_lookup+0xcd5/0x1490 [ 350.962044] ? print_usage_bug+0xc0/0xc0 [ 350.966112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.971662] ? print_usage_bug+0xc0/0xc0 [ 350.975735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.981286] ? __rt6_find_exception_rcu+0x379/0x510 [ 350.986304] ? check_preemption_disabled+0x48/0x280 [ 350.991334] ? __lock_acquire+0x62f/0x4c20 [ 350.995575] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 351.001459] ? ret_from_fork+0x3a/0x50 [ 351.005347] ? ip6_pol_route+0x4a5/0x1a00 [ 351.009508] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 351.015388] ? ret_from_fork+0x3a/0x50 [ 351.019286] ? rb_erase_cached+0xc78/0x3720 [ 351.023613] ? rb_next+0x140/0x140 [ 351.027166] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 351.032177] ? unwind_dump+0x190/0x190 [ 351.036070] ? unwind_dump+0x190/0x190 [ 351.039990] ? unwind_next_frame+0x3e/0x50 [ 351.044229] ? __save_stack_trace+0x7d/0xf0 [ 351.048556] receive_buf+0xb0f/0x3230 [ 351.052358] ? save_stack+0xa9/0xd0 [ 351.055988] ? kasan_init_slab_obj+0x1/0x30 [ 351.060313] ? receive_mergeable+0x3a90/0x3a90 [ 351.064903] ? __netif_receive_skb+0x2c/0x1e0 [ 351.069398] ? process_backlog+0x24e/0x7a0 [ 351.073634] ? net_rx_action+0x7fa/0x19b0 [ 351.077783] ? __do_softirq+0x308/0xb7e [ 351.081754] ? run_ksoftirqd+0x5e/0x100 [ 351.085722] ? smpboot_thread_fn+0x68b/0xa00 [ 351.090644] ? kthread+0x35a/0x440 [ 351.094201] ? print_usage_bug+0xc0/0xc0 [ 351.098289] ? trace_hardirqs_on+0x310/0x310 [ 351.102703] ? trace_hardirqs_on+0xbd/0x310 [ 351.107023] ? zap_class+0x640/0x640 [ 351.110751] ? trace_hardirqs_off+0xb8/0x310 [ 351.115178] ? zap_class+0x640/0x640 [ 351.118899] ? __update_load_avg_se+0x5eb/0xae0 [ 351.123571] ? __lock_acquire+0x62f/0x4c20 [ 351.127807] ? __update_load_avg_blocked_se+0x690/0x690 [ 351.133171] ? __update_load_avg_se+0xae0/0xae0 [ 351.137839] ? __lock_is_held+0xb5/0x140 [ 351.141956] ? update_load_avg+0x387/0x2470 [ 351.146285] ? attach_entity_load_avg+0x860/0x860 [ 351.151132] ? update_load_avg+0x387/0x2470 [ 351.155453] ? mark_held_locks+0x130/0x130 [ 351.159692] ? attach_entity_load_avg+0x860/0x860 [ 351.164536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.170071] ? check_preemption_disabled+0x48/0x280 [ 351.175090] ? zap_class+0x640/0x640 [ 351.178802] ? ip6_mc_input+0x522/0x11d0 [ 351.182871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.188424] ? vring_use_dma_api+0xa5/0xc0 [ 351.192659] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.198211] ? vring_unmap_one+0x5a/0x410 [ 351.202363] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.207919] ? detach_buf+0x34b/0x5d0 [ 351.211730] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 351.217279] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 351.222037] ? virtqueue_detach_unused_buf+0x220/0x220 [ 351.227329] ? print_usage_bug+0xc0/0xc0 [ 351.231394] virtnet_poll+0x421/0x105f [ 351.235291] ? receive_buf+0x3230/0x3230 [ 351.239360] ? net_rx_action+0x4b5/0x19b0 [ 351.243509] ? net_rx_action+0x4b5/0x19b0 [ 351.247660] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.252252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.257789] ? check_preemption_disabled+0x48/0x280 [ 351.262800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.268373] net_rx_action+0x7fa/0x19b0 [ 351.272356] ? napi_complete_done+0x7a0/0x7a0 [ 351.276862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.282411] ? check_preemption_disabled+0x48/0x280 [ 351.287442] ? zap_class+0x640/0x640 [ 351.291167] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.296708] ? find_held_lock+0x36/0x1c0 [ 351.300775] ? net_tx_action+0xa65/0x1000 [ 351.304929] ? lock_downgrade+0x900/0x900 [ 351.309092] ? xfrm_dev_backlog+0x41a/0x6c0 [ 351.313469] ? validate_xmit_xfrm+0xda0/0xda0 [ 351.317978] ? do_raw_spin_unlock+0xa7/0x330 [ 351.322420] ? do_raw_spin_trylock+0x270/0x270 [ 351.327001] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.332132] ? net_tx_action+0xa14/0x1000 [ 351.336290] ? clean_xps_maps+0x570/0x570 [ 351.340442] ? __switch_to_asm+0x40/0x70 [ 351.344503] ? __switch_to_asm+0x34/0x70 [ 351.348559] ? __switch_to_asm+0x40/0x70 [ 351.352619] ? __switch_to_asm+0x34/0x70 [ 351.356681] ? __switch_to_asm+0x40/0x70 [ 351.360737] ? __switch_to_asm+0x34/0x70 [ 351.364792] ? __switch_to_asm+0x40/0x70 [ 351.368856] ? pvclock_read_flags+0x160/0x160 [ 351.373357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.378902] ? check_preemption_disabled+0x48/0x280 [ 351.383943] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 351.389480] ? rcu_pm_notify+0xc0/0xc0 [ 351.393385] __do_softirq+0x308/0xb7e [ 351.397237] ? retint_kernel+0x2d/0x2d [ 351.401126] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.406224] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.411676] ? schedule+0x108/0x460 [ 351.415330] ? trace_hardirqs_off+0xb8/0x310 [ 351.419754] ? smpboot_thread_fn+0x68b/0xa00 [ 351.424178] ? trace_hardirqs_on+0x310/0x310 [ 351.428585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.434161] ? check_preemption_disabled+0x48/0x280 [ 351.439186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.444749] ? takeover_tasklets+0xa90/0xa90 [ 351.449169] run_ksoftirqd+0x5e/0x100 [ 351.452971] smpboot_thread_fn+0x68b/0xa00 [ 351.457211] ? sort_range+0x30/0x30 [ 351.460839] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.465969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.471520] ? __kthread_parkme+0xfb/0x1a0 [ 351.475752] ? sort_range+0x30/0x30 [ 351.479394] kthread+0x35a/0x440 [ 351.482761] ? kthread_stop+0x900/0x900 [ 351.486733] ret_from_fork+0x3a/0x50 [ 351.490464] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 351.490469] warn_alloc_show_mem: 1 callbacks suppressed [ 351.490476] Mem-Info: [ 351.497306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.502666] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 351.502666] active_file:12 inactive_file:11 isolated_file:0 [ 351.502666] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.502666] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 351.502666] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 351.502666] free:13794 free_pcp:515 free_cma:0 [ 351.505037] Call Trace: [ 351.514431] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.547286] dump_stack+0x244/0x39d [ 351.549845] 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 [ 351.577335] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.580938] lowmem_reserve[]: 0 2818 6321 6321 [ 351.607046] warn_alloc.cold.116+0xb7/0x1bd [ 351.612219] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 351.616790] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.621085] lowmem_reserve[]: 0 0 3503 3503 [ 351.648416] ? lock_downgrade+0x900/0x900 [ 351.653254] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 351.657565] ? trace_hardirqs_off+0xb8/0x310 [ 351.661683] lowmem_reserve[]: 0 0 0 0 [ 351.690755] ? trace_hardirqs_off+0xb8/0x310 [ 351.695132] 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 [ 351.698930] __alloc_pages_slowpath+0x2651/0x2de0 [ 351.703311] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 351.716856] ? warn_alloc+0x120/0x120 [ 351.721667] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 351.736654] ? print_usage_bug+0xc0/0xc0 [ 351.740446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.755426] ? warn_alloc+0x120/0x120 [ 351.759467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.768317] ? warn_alloc+0x120/0x120 [ 351.772091] 267 total pagecache pages [ 351.780684] ? print_usage_bug+0xc0/0xc0 [ 351.784458] 0 pages in swap cache [ 351.788245] ? print_usage_bug+0xc0/0xc0 [ 351.792286] Swap cache stats: add 0, delete 0, find 0/0 [ 351.795724] ? __lock_acquire+0x62f/0x4c20 [ 351.799756] Free swap = 0kB [ 351.805106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.809317] Total swap = 0kB [ 351.812327] ? should_fail+0x22d/0xd01 [ 351.817836] 1965979 pages RAM [ 351.820859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.824719] 0 pages HighMem/MovableOnly [ 351.827812] ? __lock_acquire+0x62f/0x4c20 [ 351.832898] 342854 pages reserved [ 351.836865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.841070] 0 pages cma reserved [ 351.844537] ? __lock_acquire+0x62f/0x4c20 [ 351.849700] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.852997] ? should_fail+0x22d/0xd01 [ 351.857237] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 351.867534] ? find_held_lock+0x36/0x1c0 [ 351.880122] ? mark_held_locks+0x130/0x130 [ 351.884362] ? mark_held_locks+0x130/0x130 [ 351.888590] ? zap_class+0x640/0x640 [ 351.892361] ? mark_held_locks+0xc7/0x130 [ 351.896519] ? do_raw_spin_unlock+0xa7/0x330 [ 351.900940] ? zap_class+0x640/0x640 [ 351.904655] ? print_usage_bug+0xc0/0xc0 [ 351.908735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.914273] ? check_preemption_disabled+0x48/0x280 [ 351.919301] ? __lock_is_held+0xb5/0x140 [ 351.923371] __alloc_pages_nodemask+0xad8/0xea0 [ 351.928039] ? zap_class+0x640/0x640 [ 351.931758] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 351.936799] ? find_held_lock+0x36/0x1c0 [ 351.940869] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.945553] ? lock_downgrade+0x900/0x900 [ 351.949705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.955279] cache_grow_begin+0xa5/0x8c0 [ 351.959788] ? do_raw_spin_unlock+0xa7/0x330 [ 351.964201] fallback_alloc+0x204/0x2e0 [ 351.968182] ____cache_alloc_node+0x1c7/0x1e0 [ 351.972681] kmem_cache_alloc_node+0xe3/0x730 [ 351.977190] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.981472] __alloc_skb+0x119/0x770 [ 351.985197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.990482] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.994918] ? lock_downgrade+0x900/0x900 [ 351.999077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.004617] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.010074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.015525] ? addrconf_rs_timer+0x690/0x690 [ 352.019952] ndisc_alloc_skb+0x144/0x340 [ 352.024021] ndisc_send_rs+0x331/0x6e0 [ 352.027928] addrconf_rs_timer+0x314/0x690 [ 352.032176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.036419] call_timer_fn+0x272/0x920 [ 352.040306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.044566] ? process_timeout+0x40/0x40 [ 352.048630] ? __run_timers+0x7da/0xc70 [ 352.052599] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.057087] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.061592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.065824] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.070422] ? trace_hardirqs_on+0xbd/0x310 [ 352.074743] ? kasan_check_read+0x11/0x20 [ 352.078910] ? __run_timers+0x7da/0xc70 [ 352.082891] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.087999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.092237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.096469] __run_timers+0x7e5/0xc70 [ 352.100280] ? timer_fixup_init+0x70/0x70 [ 352.104439] ? find_held_lock+0x36/0x1c0 [ 352.108507] ? __schedule+0x168a/0x21d0 [ 352.112476] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.116978] ? pvclock_read_flags+0x160/0x160 [ 352.121468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.127004] ? check_preemption_disabled+0x48/0x280 [ 352.132030] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.137585] ? rcu_pm_notify+0xc0/0xc0 [ 352.141474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.147012] ? check_preemption_disabled+0x48/0x280 [ 352.152030] run_timer_softirq+0x52/0xb0 [ 352.156088] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.161101] __do_softirq+0x308/0xb7e [ 352.164932] ? retint_kernel+0x2d/0x2d [ 352.168824] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.173934] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.179385] ? finish_task_switch+0x2f4/0x910 [ 352.183893] ? schedule+0x108/0x460 [ 352.187548] ? trace_hardirqs_off+0xb8/0x310 [ 352.191954] ? smpboot_thread_fn+0x68b/0xa00 [ 352.196379] ? trace_hardirqs_on+0x310/0x310 [ 352.200786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.206352] ? check_preemption_disabled+0x48/0x280 [ 352.211369] ? takeover_tasklets+0xa90/0xa90 [ 352.215781] run_ksoftirqd+0x5e/0x100 [ 352.219595] smpboot_thread_fn+0x68b/0xa00 [ 352.223849] ? sort_range+0x30/0x30 [ 352.227473] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.232573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.238112] ? __kthread_parkme+0xfb/0x1a0 [ 352.242361] ? sort_range+0x30/0x30 [ 352.245989] kthread+0x35a/0x440 [ 352.249359] ? kthread_stop+0x900/0x900 [ 352.253337] ret_from_fork+0x3a/0x50 [ 352.257071] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 352.257106] rcu: INFO: rcu_preempt self-detected stall on CPU [ 352.264002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.270132] rcu: 0-....: (132 ticks this GP) idle=732/1/0x4000000000000002 softirq=18084/18084 fqs=3 [ 352.279204] Call Trace: [ 352.279224] dump_stack+0x244/0x39d [ 352.279242] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.279268] warn_alloc.cold.116+0xb7/0x1bd [ 352.279284] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.279301] ? lock_downgrade+0x900/0x900 [ 352.279323] ? trace_hardirqs_off+0xb8/0x310 [ 352.279342] ? trace_hardirqs_off+0xb8/0x310 [ 352.279364] __alloc_pages_slowpath+0x2651/0x2de0 [ 352.279428] ? warn_alloc+0x120/0x120 [ 352.289115] rcu: (t=10590 jiffies g=18993 q=20) [ 352.291699] ? warn_alloc+0x120/0x120 [ 352.295307] rcu: rcu_preempt kthread starved for 837 jiffies! g18993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 352.300479] ? warn_alloc+0x120/0x120 [ 352.304775] rcu: RCU grace-period kthread stack dump: [ 352.309608] ? print_usage_bug+0xc0/0xc0 [ 352.313732] rcu_preempt I22696 10 2 0x80000000 [ 352.318146] ? ip6_mc_input+0xae0/0x11d0 [ 352.322526] Call Trace: [ 352.327359] ? print_usage_bug+0xc0/0xc0 [ 352.331156] __schedule+0x8cf/0x21d0 [ 352.335987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.339768] ? __sched_text_start+0x8/0x8 [ 352.350233] ? should_fail+0x22d/0xd01 [ 352.354015] ? add_timer_on+0xa20/0xa20 [ 352.359184] ? ipv6_dev_mc_dec+0x260/0x260 [ 352.363229] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.368832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.372873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.375449] ? __lock_acquire+0x62f/0x4c20 [ 352.379490] ? trace_hardirqs_on+0xbd/0x310 [ 352.383187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.388703] ? kasan_check_read+0x11/0x20 [ 352.392833] ? should_fail+0x22d/0xd01 [ 352.396705] ? prepare_to_swait_event+0x25a/0x800 [ 352.400691] ? mark_held_locks+0x130/0x130 [ 352.404914] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.409997] ? mark_held_locks+0x130/0x130 [ 352.415082] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.420170] ? ipv6_rcv+0x419/0x640 [ 352.424387] schedule+0xfe/0x460 [ 352.428690] ? lock_downgrade+0x900/0x900 [ 352.433773] ? __schedule+0x21d0/0x21d0 [ 352.437911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.441786] ? prepare_to_swait_event+0x25a/0x800 [ 352.446612] ? check_preemption_disabled+0x48/0x280 [ 352.450835] ? __init_swait_queue_head+0x150/0x150 [ 352.455931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.460150] ? __lockdep_init_map+0x105/0x590 [ 352.465240] ? check_preemption_disabled+0x48/0x280 [ 352.468854] ? lockdep_init_map+0x9/0x10 [ 352.472224] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.476355] schedule_timeout+0x140/0x260 [ 352.480314] ? rcu_pm_notify+0xc0/0xc0 [ 352.485861] ? usleep_range+0x1a0/0x1a0 [ 352.490690] __alloc_pages_nodemask+0xad8/0xea0 [ 352.495700] ? __next_timer_interrupt+0x1a0/0x1a0 [ 352.500616] ? zap_class+0x640/0x640 [ 352.506150] rcu_gp_fqs_loop+0x762/0xa80 [ 352.510635] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 352.515637] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 352.519684] ? find_held_lock+0x36/0x1c0 [ 352.525196] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.529333] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.533199] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.537155] ? lock_downgrade+0x900/0x900 [ 352.541808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.546633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.550328] ? rcu_gp_init+0x90b/0x1260 [ 352.554368] cache_grow_begin+0xa5/0x8c0 [ 352.559369] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 352.564106] ? do_raw_spin_unlock+0xa7/0x330 [ 352.568157] ? rcu_accelerate_cbs+0x562/0xae0 [ 352.573247] fallback_alloc+0x204/0x2e0 [ 352.577914] ? zap_class+0x640/0x640 [ 352.583347] ____cache_alloc_node+0x1c7/0x1e0 [ 352.587481] ? zap_class+0x640/0x640 [ 352.593003] kmem_cache_alloc+0x1f8/0x730 [ 352.598525] ? __lock_is_held+0xb5/0x140 [ 352.602479] ? __lock_is_held+0xb5/0x140 [ 352.606523] ? __lock_is_held+0xb5/0x140 [ 352.611262] __build_skb+0xab/0x430 [ 352.615678] ? zap_class+0x640/0x640 [ 352.620156] ? skb_try_coalesce+0x1b70/0x1b70 [ 352.624111] ? rcu_accelerate_cbs+0x562/0xae0 [ 352.627808] ? br_netif_receive_skb+0x107/0x210 [ 352.632302] ? find_held_lock+0x36/0x1c0 [ 352.636046] ? __alloc_pages_nodemask+0xea0/0xea0 [ 352.640180] ? rcu_gp_kthread+0x8cf/0xc70 [ 352.644233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.648288] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.652362] ? check_preemption_disabled+0x48/0x280 [ 352.655973] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.659674] __napi_alloc_skb+0x1d6/0x310 [ 352.664155] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.668635] page_to_skb.isra.45+0xee/0x8d0 [ 352.673286] ? trace_hardirqs_on+0xbd/0x310 [ 352.677326] ? check_preemption_disabled+0x48/0x280 [ 352.682150] ? kasan_check_read+0x11/0x20 [ 352.686278] ? virtnet_remove+0xf0/0xf0 [ 352.691799] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.696272] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.701312] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.705790] ? kasan_check_read+0x11/0x20 [ 352.709929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.714496] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.718800] rcu_gp_kthread+0x341/0xc70 [ 352.723097] ? rcu_softirq_qs+0x20/0x20 [ 352.728110] ? rcu_gp_init+0x1260/0x1260 [ 352.732246] receive_mergeable+0x155d/0x3a90 [ 352.736211] ? mark_held_locks+0x130/0x130 [ 352.741314] ? check_preemption_disabled+0x48/0x280 [ 352.746226] ? __schedule+0x168a/0x21d0 [ 352.751663] ? virtnet_probe+0x2240/0x2240 [ 352.755783] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.761299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.766556] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.770512] ? rt6_score_route+0x118/0x400 [ 352.774466] ? trace_hardirqs_on+0xbd/0x310 [ 352.778513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.782926] ? kasan_check_read+0x11/0x20 [ 352.787141] ? find_match+0x492/0x10a0 [ 352.792135] ? __schedule+0x168a/0x21d0 [ 352.796102] ? br_nf_hook_thresh+0x41a/0x5f0 [ 352.800310] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.804798] ? zap_class+0x640/0x640 [ 352.810319] ? lock_pin_lock+0x350/0x350 [ 352.814881] ? zap_class+0x640/0x640 [ 352.819107] ? _raw_spin_unlock_irq+0x60/0x80 [ 352.823423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.828948] ? __schedule+0x168a/0x21d0 [ 352.833075] ? check_preemption_disabled+0x48/0x280 [ 352.836945] ? __switch_to_asm+0x40/0x70 [ 352.840940] ? __lock_is_held+0xb5/0x140 [ 352.845332] ? __switch_to_asm+0x40/0x70 [ 352.850432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.854112] ? show_schedstat+0x551/0xf30 [ 352.858152] ? fib6_table_lookup+0xcd5/0x1490 [ 352.861862] ? __sched_text_start+0x8/0x8 [ 352.866344] ? print_usage_bug+0xc0/0xc0 [ 352.871874] ? find_held_lock+0x36/0x1c0 [ 352.875832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.880835] ? __kthread_parkme+0xce/0x1a0 [ 352.884879] ? print_usage_bug+0xc0/0xc0 [ 352.888925] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.892988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.898502] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.902631] ? __rt6_find_exception_rcu+0x379/0x510 [ 352.907111] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.911245] ? check_preemption_disabled+0x48/0x280 [ 352.915287] ? trace_hardirqs_on+0xbd/0x310 [ 352.919335] ? __lock_acquire+0x62f/0x4c20 [ 352.924848] ? kasan_check_read+0x11/0x20 [ 352.929084] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 352.933140] ? __kthread_parkme+0xce/0x1a0 [ 352.938223] ? ret_from_fork+0x3a/0x50 [ 352.943761] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.948846] ? ip6_pol_route+0x4a5/0x1a00 [ 352.953851] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.958426] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 352.963404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.967709] ? ret_from_fork+0x3a/0x50 [ 352.971945] ? __kthread_parkme+0xfb/0x1a0 [ 352.976074] ? rb_erase_cached+0xc78/0x3720 [ 352.981944] ? rcu_gp_init+0x1260/0x1260 [ 352.986165] ? rb_next+0x140/0x140 [ 352.990033] kthread+0x35a/0x440 [ 352.995116] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 352.999279] ? kthread_stop+0x900/0x900 [ 353.004359] ? unwind_dump+0x190/0x190 [ 353.010241] ret_from_fork+0x3a/0x50 [ 353.015759] ? unwind_dump+0x190/0x190 [ 353.019703] NMI backtrace for cpu 0 [ 353.023876] ? unwind_next_frame+0x3e/0x50 [ 353.067345] ? __save_stack_trace+0x7d/0xf0 [ 353.071674] receive_buf+0xb0f/0x3230 [ 353.075496] ? save_stack+0xa9/0xd0 [ 353.079131] ? kasan_init_slab_obj+0x1/0x30 [ 353.083455] ? receive_mergeable+0x3a90/0x3a90 [ 353.088035] ? __netif_receive_skb+0x2c/0x1e0 [ 353.092993] ? process_backlog+0x24e/0x7a0 [ 353.097224] ? net_rx_action+0x7fa/0x19b0 [ 353.101369] ? __do_softirq+0x308/0xb7e [ 353.105339] ? run_ksoftirqd+0x5e/0x100 [ 353.109315] ? smpboot_thread_fn+0x68b/0xa00 [ 353.113724] ? kthread+0x35a/0x440 [ 353.117266] ? print_usage_bug+0xc0/0xc0 [ 353.121372] ? trace_hardirqs_on+0x310/0x310 [ 353.125785] ? trace_hardirqs_on+0xbd/0x310 [ 353.130106] ? zap_class+0x640/0x640 [ 353.133823] ? trace_hardirqs_off+0xb8/0x310 [ 353.138232] ? zap_class+0x640/0x640 [ 353.141954] ? __update_load_avg_se+0x5eb/0xae0 [ 353.146621] ? __lock_acquire+0x62f/0x4c20 [ 353.150857] ? __update_load_avg_blocked_se+0x690/0x690 [ 353.156243] ? __update_load_avg_se+0xae0/0xae0 [ 353.160924] ? __lock_is_held+0xb5/0x140 [ 353.165012] ? update_load_avg+0x387/0x2470 [ 353.169344] ? attach_entity_load_avg+0x860/0x860 [ 353.174208] ? update_load_avg+0x387/0x2470 [ 353.178532] ? mark_held_locks+0x130/0x130 [ 353.182764] ? attach_entity_load_avg+0x860/0x860 [ 353.187604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.193142] ? check_preemption_disabled+0x48/0x280 [ 353.198160] ? zap_class+0x640/0x640 [ 353.201873] ? ip6_mc_input+0x522/0x11d0 [ 353.205959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.211501] ? vring_use_dma_api+0xa5/0xc0 [ 353.215740] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.221271] ? vring_unmap_one+0x5a/0x410 [ 353.225467] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.231017] ? detach_buf+0x34b/0x5d0 [ 353.234842] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 353.240388] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 353.245151] ? virtqueue_detach_unused_buf+0x220/0x220 [ 353.250432] ? print_usage_bug+0xc0/0xc0 [ 353.254496] virtnet_poll+0x421/0x105f [ 353.258386] ? receive_buf+0x3230/0x3230 [ 353.262458] ? net_rx_action+0x4b5/0x19b0 [ 353.266599] ? net_rx_action+0x4b5/0x19b0 [ 353.270760] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.275349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.280896] ? check_preemption_disabled+0x48/0x280 [ 353.285917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.291473] net_rx_action+0x7fa/0x19b0 [ 353.295460] ? napi_complete_done+0x7a0/0x7a0 [ 353.300002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.305557] ? check_preemption_disabled+0x48/0x280 [ 353.310590] ? zap_class+0x640/0x640 [ 353.314327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.319864] ? find_held_lock+0x36/0x1c0 [ 353.323942] ? net_tx_action+0xa65/0x1000 [ 353.328093] ? lock_downgrade+0x900/0x900 [ 353.332245] ? xfrm_dev_backlog+0x41a/0x6c0 [ 353.336586] ? validate_xmit_xfrm+0xda0/0xda0 [ 353.341092] ? do_raw_spin_unlock+0xa7/0x330 [ 353.345502] ? do_raw_spin_trylock+0x270/0x270 [ 353.350082] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.355193] ? net_tx_action+0xa14/0x1000 [ 353.359346] ? clean_xps_maps+0x570/0x570 [ 353.363492] ? __switch_to_asm+0x40/0x70 [ 353.367548] ? __switch_to_asm+0x34/0x70 [ 353.371609] ? __switch_to_asm+0x40/0x70 [ 353.375666] ? __switch_to_asm+0x34/0x70 [ 353.379724] ? __switch_to_asm+0x40/0x70 [ 353.383781] ? __switch_to_asm+0x34/0x70 [ 353.387866] ? __switch_to_asm+0x40/0x70 [ 353.391951] ? pvclock_read_flags+0x160/0x160 [ 353.396446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.401982] ? check_preemption_disabled+0x48/0x280 [ 353.407016] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 353.412569] ? rcu_pm_notify+0xc0/0xc0 [ 353.416486] __do_softirq+0x308/0xb7e [ 353.420287] ? retint_kernel+0x2d/0x2d [ 353.424177] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.429278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.434764] ? schedule+0x108/0x460 [ 353.438403] ? trace_hardirqs_off+0xb8/0x310 [ 353.442814] ? smpboot_thread_fn+0x68b/0xa00 [ 353.447227] ? trace_hardirqs_on+0x310/0x310 [ 353.451655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.457193] ? check_preemption_disabled+0x48/0x280 [ 353.462206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.467742] ? takeover_tasklets+0xa90/0xa90 [ 353.472151] run_ksoftirqd+0x5e/0x100 [ 353.475953] smpboot_thread_fn+0x68b/0xa00 [ 353.480191] ? sort_range+0x30/0x30 [ 353.483815] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.488922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.494457] ? __kthread_parkme+0xfb/0x1a0 [ 353.498692] ? sort_range+0x30/0x30 [ 353.502314] kthread+0x35a/0x440 [ 353.505680] ? kthread_stop+0x900/0x900 [ 353.509652] ret_from_fork+0x3a/0x50 [ 353.513378] warn_alloc_show_mem: 1 callbacks suppressed [ 353.513390] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 353.513392] Mem-Info: [ 353.513429] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 353.513429] active_file:12 inactive_file:11 isolated_file:0 [ 353.513429] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.513429] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 353.513429] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 353.513429] free:13794 free_pcp:515 free_cma:0 [ 353.518758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.525598] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.527995] Call Trace: [ 353.560855] 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 [ 353.570213] [ 353.597690] lowmem_reserve[]: 0 2818 6321 6321 [ 353.600273] dump_stack+0x244/0x39d [ 353.626353] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 353.628499] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.633050] lowmem_reserve[]: 0 0 3503 3503 [ 353.636670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.663970] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 353.669151] ? do_raw_spin_lock+0x14f/0x350 [ 353.673446] lowmem_reserve[]: 0 0 0 0 [ 353.678977] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 353.708012] 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 [ 353.712326] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 353.716096] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 353.720756] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 353.734251] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 353.739436] arch_trigger_cpumask_backtrace+0x14/0x20 [ 353.754419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.759679] rcu_dump_cpu_stacks+0x16f/0x1bc [ 353.774660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.779840] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 353.788648] 267 total pagecache pages [ 353.793046] ? print_other_cpu_stall+0x160/0x160 [ 353.801602] 0 pages in swap cache [ 353.806344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.810125] Swap cache stats: add 0, delete 0, find 0/0 [ 353.814874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.818341] Free swap = 0kB [ 353.823871] ? do_trace_rcu_torture_read+0x10/0x10 [ 353.829219] Total swap = 0kB [ 353.834746] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 353.837736] 1965979 pages RAM [ 353.842654] ? __lock_is_held+0xb5/0x140 [ 353.845645] 0 pages HighMem/MovableOnly [ 353.850921] ? __rcu_read_lock+0x50/0x50 [ 353.854003] 342854 pages reserved [ 353.854011] 0 pages cma reserved [ 353.858080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.862131] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.866080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.869523] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 353.872906] ? check_preemption_disabled+0x48/0x280 [ 353.903951] rcu_check_callbacks+0xf3b/0x13f0 [ 353.908449] ? rcutree_dead_cpu+0x10/0x10 [ 353.912606] ? lock_downgrade+0x900/0x900 [ 353.916757] ? lock_release+0x960/0xa00 [ 353.920734] ? zap_class+0x640/0x640 [ 353.924454] ? zap_class+0x640/0x640 [ 353.928172] ? zap_class+0x640/0x640 [ 353.931917] ? zap_class+0x640/0x640 [ 353.935636] ? find_held_lock+0x36/0x1c0 [ 353.939709] ? cpuacct_account_field+0x219/0x3d0 [ 353.944486] ? zap_class+0x640/0x640 [ 353.948209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.953749] ? check_preemption_disabled+0x48/0x280 [ 353.959301] ? trace_hardirqs_off+0xb8/0x310 [ 353.963714] ? __lock_is_held+0xb5/0x140 [ 353.967777] ? trace_hardirqs_on+0x310/0x310 [ 353.972201] ? check_preemption_disabled+0x48/0x280 [ 353.977223] ? raise_softirq+0x199/0x420 [ 353.981328] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 353.986000] ? account_system_index_time+0x333/0x5d0 [ 353.991107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.996647] ? check_preemption_disabled+0x48/0x280 [ 354.001671] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.007208] ? hrtimer_run_queues+0x9a/0x400 [ 354.011621] ? run_local_timers+0x19b/0x230 [ 354.015958] ? timer_clear_idle+0x90/0x90 [ 354.020115] ? irqtime_account_process_tick.isra.6+0x38e/0x490 [ 354.026095] ? account_process_tick+0x282/0x350 [ 354.030770] update_process_times+0x2d/0x70 [ 354.035095] tick_sched_handle+0x9f/0x180 [ 354.039244] tick_sched_timer+0x45/0x130 [ 354.043339] __hrtimer_run_queues+0x41c/0x10d0 [ 354.047933] ? tick_sched_do_timer+0x1a0/0x1a0 [ 354.052536] ? hrtimer_start_range_ns+0xe00/0xe00 [ 354.057387] ? pvclock_read_flags+0x160/0x160 [ 354.062812] ? trace_hardirqs_on+0x310/0x310 [ 354.067230] ? kvm_clock_read+0x18/0x30 [ 354.071218] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.076234] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 354.081603] ? do_timer+0x50/0x50 [ 354.085059] ? rwlock_bug.part.2+0x90/0x90 [ 354.089291] ? trace_hardirqs_on+0x310/0x310 [ 354.093697] ? rcu_softirq_qs+0x20/0x20 [ 354.097683] hrtimer_interrupt+0x313/0x780 [ 354.101949] smp_apic_timer_interrupt+0x1a1/0x760 [ 354.106806] ? smp_call_function_single_interrupt+0x159/0x650 [ 354.112691] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.118603] ? interrupt_entry+0xb5/0xc0 [ 354.122692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.127736] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.132754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.137594] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.142604] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.147614] ? task_prio+0x50/0x50 [ 354.151151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.156700] ? check_preemption_disabled+0x48/0x280 [ 354.161716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.166570] apic_timer_interrupt+0xf/0x20 [ 354.170800] [ 354.173045] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 354.178403] 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 [ 354.197299] RSP: 0000:ffff8881d9aff410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 354.205003] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1103b35e15c [ 354.212268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 354.219535] RBP: ffff8881d9aff480 R08: ffff8881d9af0ae0 R09: 0000000000000002 [ 354.226812] R10: 0000000000000000 R11: ffff8881d9af0240 R12: ffff8881d9a1c0c0 [ 354.234074] R13: ffff8881d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286 [ 354.241363] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.245610] __alloc_skb+0x119/0x770 [ 354.249341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.254620] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.259029] ? lock_downgrade+0x900/0x900 [ 354.263188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.268727] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.274182] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.279634] ? addrconf_rs_timer+0x690/0x690 [ 354.284055] ndisc_alloc_skb+0x144/0x340 [ 354.288134] ndisc_send_rs+0x331/0x6e0 [ 354.292024] addrconf_rs_timer+0x314/0x690 [ 354.296268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.300513] call_timer_fn+0x272/0x920 [ 354.304409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.308640] ? process_timeout+0x40/0x40 [ 354.312739] ? __run_timers+0x7da/0xc70 [ 354.316720] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.321215] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.325726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.329965] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.334552] ? trace_hardirqs_on+0xbd/0x310 [ 354.338875] ? kasan_check_read+0x11/0x20 [ 354.343030] ? __run_timers+0x7da/0xc70 [ 354.347008] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.352134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.356378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.360607] __run_timers+0x7e5/0xc70 [ 354.364415] ? timer_fixup_init+0x70/0x70 [ 354.368577] ? find_held_lock+0x36/0x1c0 [ 354.372648] ? __schedule+0x168a/0x21d0 [ 354.376640] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.381149] ? pvclock_read_flags+0x160/0x160 [ 354.385642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.391177] ? check_preemption_disabled+0x48/0x280 [ 354.396198] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.401745] ? rcu_pm_notify+0xc0/0xc0 [ 354.405634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.411170] ? check_preemption_disabled+0x48/0x280 [ 354.416189] run_timer_softirq+0x52/0xb0 [ 354.420279] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.425296] __do_softirq+0x308/0xb7e [ 354.429099] ? retint_kernel+0x2d/0x2d [ 354.432992] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 354.438098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.443549] ? finish_task_switch+0x2f4/0x910 [ 354.448050] ? schedule+0x108/0x460 [ 354.451691] ? trace_hardirqs_off+0xb8/0x310 [ 354.456098] ? smpboot_thread_fn+0x68b/0xa00 [ 354.460509] ? trace_hardirqs_on+0x310/0x310 [ 354.464926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.470463] ? check_preemption_disabled+0x48/0x280 [ 354.475480] ? takeover_tasklets+0xa90/0xa90 [ 354.479918] run_ksoftirqd+0x5e/0x100 [ 354.483723] smpboot_thread_fn+0x68b/0xa00 [ 354.488010] ? sort_range+0x30/0x30 [ 354.491637] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.496741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.502279] ? __kthread_parkme+0xfb/0x1a0 [ 354.506517] ? sort_range+0x30/0x30 [ 354.510145] kthread+0x35a/0x440 [ 354.513515] ? kthread_stop+0x900/0x900 [ 354.517495] ret_from_fork+0x3a/0x50 [ 354.521227] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 354.521549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.528151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.528157] Call Trace: [ 354.528175] dump_stack+0x244/0x39d [ 354.528193] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.534729] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.544029] warn_alloc.cold.116+0xb7/0x1bd [ 354.546599] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 354.550216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.579489] ? lock_downgrade+0x900/0x900 [ 354.583644] ? trace_hardirqs_off+0xb8/0x310 [ 354.588057] ? trace_hardirqs_off+0xb8/0x310 [ 354.592475] __alloc_pages_slowpath+0x2651/0x2de0 [ 354.597361] ? warn_alloc+0x120/0x120 [ 354.601183] ? warn_alloc+0x120/0x120 [ 354.604990] ? warn_alloc+0x120/0x120 [ 354.608791] ? print_usage_bug+0xc0/0xc0 [ 354.612864] ? ip6_mc_input+0xae0/0x11d0 [ 354.616951] ? print_usage_bug+0xc0/0xc0 [ 354.621024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.626562] ? should_fail+0x22d/0xd01 [ 354.630469] ? ipv6_dev_mc_dec+0x260/0x260 [ 354.634711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.639821] ? __lock_acquire+0x62f/0x4c20 [ 354.644061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.649162] ? should_fail+0x22d/0xd01 [ 354.653060] ? mark_held_locks+0x130/0x130 [ 354.657305] ? mark_held_locks+0x130/0x130 [ 354.661540] ? ipv6_rcv+0x419/0x640 [ 354.665171] ? lock_downgrade+0x900/0x900 [ 354.669320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.674856] ? check_preemption_disabled+0x48/0x280 [ 354.679893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.685441] ? check_preemption_disabled+0x48/0x280 [ 354.690468] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.696008] ? rcu_pm_notify+0xc0/0xc0 [ 354.699922] __alloc_pages_nodemask+0xad8/0xea0 [ 354.704606] ? zap_class+0x640/0x640 [ 354.708331] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 354.713361] ? find_held_lock+0x36/0x1c0 [ 354.717435] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.722107] ? lock_downgrade+0x900/0x900 [ 354.726263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.731809] cache_grow_begin+0xa5/0x8c0 [ 354.735869] ? do_raw_spin_unlock+0xa7/0x330 [ 354.740292] fallback_alloc+0x204/0x2e0 [ 354.744272] ____cache_alloc_node+0x1c7/0x1e0 [ 354.748785] kmem_cache_alloc+0x1f8/0x730 [ 354.752933] ? __lock_is_held+0xb5/0x140 [ 354.756999] __build_skb+0xab/0x430 [ 354.760626] ? skb_try_coalesce+0x1b70/0x1b70 [ 354.765126] ? br_netif_receive_skb+0x107/0x210 [ 354.769796] ? __alloc_pages_nodemask+0xea0/0xea0 [ 354.774638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.780174] ? check_preemption_disabled+0x48/0x280 [ 354.785197] __napi_alloc_skb+0x1d6/0x310 [ 354.789355] page_to_skb.isra.45+0xee/0x8d0 [ 354.793695] ? check_preemption_disabled+0x48/0x280 [ 354.798733] ? virtnet_remove+0xf0/0xf0 [ 354.802709] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.807653] ? kasan_check_read+0x11/0x20 [ 354.811801] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.817077] ? rcu_softirq_qs+0x20/0x20 [ 354.821063] receive_mergeable+0x155d/0x3a90 [ 354.825474] ? check_preemption_disabled+0x48/0x280 [ 354.830498] ? virtnet_probe+0x2240/0x2240 [ 354.834741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.840278] ? rt6_score_route+0x118/0x400 [ 354.844515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.850052] ? find_match+0x492/0x10a0 [ 354.853955] ? br_nf_hook_thresh+0x41a/0x5f0 [ 354.858366] ? zap_class+0x640/0x640 [ 354.862077] ? zap_class+0x640/0x640 [ 354.865810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.871350] ? check_preemption_disabled+0x48/0x280 [ 354.876381] ? __lock_is_held+0xb5/0x140 [ 354.880461] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.886015] ? fib6_table_lookup+0xcd5/0x1490 [ 354.890524] ? print_usage_bug+0xc0/0xc0 [ 354.894589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.900141] ? print_usage_bug+0xc0/0xc0 [ 354.904211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.909764] ? __rt6_find_exception_rcu+0x379/0x510 [ 354.914782] ? check_preemption_disabled+0x48/0x280 [ 354.919807] ? __lock_acquire+0x62f/0x4c20 [ 354.924049] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 354.929946] ? ret_from_fork+0x3a/0x50 [ 354.933845] ? ip6_pol_route+0x4a5/0x1a00 [ 354.938013] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 354.943905] ? ret_from_fork+0x3a/0x50 [ 354.947802] ? rb_erase_cached+0xc78/0x3720 [ 354.952153] ? rb_next+0x140/0x140 [ 354.955698] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 354.960715] ? unwind_dump+0x190/0x190 [ 354.964604] ? unwind_dump+0x190/0x190 [ 354.968526] ? unwind_next_frame+0x3e/0x50 [ 354.972761] ? __save_stack_trace+0x7d/0xf0 [ 354.977087] receive_buf+0xb0f/0x3230 [ 354.980902] ? save_stack+0xa9/0xd0 [ 354.984534] ? kasan_init_slab_obj+0x1/0x30 [ 354.988868] ? receive_mergeable+0x3a90/0x3a90 [ 354.993454] ? __netif_receive_skb+0x2c/0x1e0 [ 354.997946] ? process_backlog+0x24e/0x7a0 [ 355.002179] ? net_rx_action+0x7fa/0x19b0 [ 355.006330] ? __do_softirq+0x308/0xb7e [ 355.010306] ? run_ksoftirqd+0x5e/0x100 [ 355.014281] ? smpboot_thread_fn+0x68b/0xa00 [ 355.018688] ? kthread+0x35a/0x440 [ 355.022226] ? print_usage_bug+0xc0/0xc0 [ 355.026289] ? trace_hardirqs_on+0x310/0x310 [ 355.030704] ? trace_hardirqs_on+0xbd/0x310 [ 355.035029] ? zap_class+0x640/0x640 [ 355.038742] ? trace_hardirqs_off+0xb8/0x310 [ 355.043160] ? zap_class+0x640/0x640 [ 355.046877] ? __update_load_avg_se+0x5eb/0xae0 [ 355.051571] ? __lock_acquire+0x62f/0x4c20 [ 355.055807] ? __update_load_avg_blocked_se+0x690/0x690 [ 355.061190] ? __update_load_avg_se+0xae0/0xae0 [ 355.065856] ? __lock_is_held+0xb5/0x140 [ 355.069950] ? update_load_avg+0x387/0x2470 [ 355.074281] ? attach_entity_load_avg+0x860/0x860 [ 355.079133] ? update_load_avg+0x387/0x2470 [ 355.083454] ? mark_held_locks+0x130/0x130 [ 355.087696] ? attach_entity_load_avg+0x860/0x860 [ 355.093035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.098590] ? check_preemption_disabled+0x48/0x280 [ 355.103636] ? zap_class+0x640/0x640 [ 355.107351] ? ip6_mc_input+0x522/0x11d0 [ 355.111438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.116976] ? vring_use_dma_api+0xa5/0xc0 [ 355.121212] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.126747] ? vring_unmap_one+0x5a/0x410 [ 355.130908] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.136445] ? detach_buf+0x34b/0x5d0 [ 355.140259] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 355.145807] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 355.150574] ? virtqueue_detach_unused_buf+0x220/0x220 [ 355.155857] ? print_usage_bug+0xc0/0xc0 [ 355.159931] virtnet_poll+0x421/0x105f [ 355.163830] ? receive_buf+0x3230/0x3230 [ 355.167909] ? net_rx_action+0x4b5/0x19b0 [ 355.172058] ? net_rx_action+0x4b5/0x19b0 [ 355.176206] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.180801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.186338] ? check_preemption_disabled+0x48/0x280 [ 355.191369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.196916] net_rx_action+0x7fa/0x19b0 [ 355.200927] ? napi_complete_done+0x7a0/0x7a0 [ 355.205426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.210978] ? check_preemption_disabled+0x48/0x280 [ 355.216009] ? zap_class+0x640/0x640 [ 355.219738] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.225278] ? find_held_lock+0x36/0x1c0 [ 355.229355] ? net_tx_action+0xa65/0x1000 [ 355.233507] ? lock_downgrade+0x900/0x900 [ 355.237669] ? xfrm_dev_backlog+0x41a/0x6c0 [ 355.241993] ? validate_xmit_xfrm+0xda0/0xda0 [ 355.246494] ? do_raw_spin_unlock+0xa7/0x330 [ 355.250909] ? do_raw_spin_trylock+0x270/0x270 [ 355.255509] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.260642] ? net_tx_action+0xa14/0x1000 [ 355.264798] ? clean_xps_maps+0x570/0x570 [ 355.268947] ? __switch_to_asm+0x40/0x70 [ 355.273019] ? __switch_to_asm+0x34/0x70 [ 355.277076] ? __switch_to_asm+0x40/0x70 [ 355.281164] ? __switch_to_asm+0x34/0x70 [ 355.285221] ? __switch_to_asm+0x40/0x70 [ 355.289279] ? __switch_to_asm+0x34/0x70 [ 355.293351] ? __switch_to_asm+0x40/0x70 [ 355.297425] ? pvclock_read_flags+0x160/0x160 [ 355.301927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.307471] ? check_preemption_disabled+0x48/0x280 [ 355.312493] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 355.318031] ? rcu_pm_notify+0xc0/0xc0 [ 355.321934] __do_softirq+0x308/0xb7e [ 355.325741] ? retint_kernel+0x2d/0x2d [ 355.329634] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.334733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.340208] ? schedule+0x108/0x460 [ 355.343846] ? trace_hardirqs_off+0xb8/0x310 [ 355.348257] ? smpboot_thread_fn+0x68b/0xa00 [ 355.352681] ? trace_hardirqs_on+0x310/0x310 [ 355.357091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.362633] ? check_preemption_disabled+0x48/0x280 [ 355.367650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.373184] ? takeover_tasklets+0xa90/0xa90 [ 355.377594] run_ksoftirqd+0x5e/0x100 [ 355.381392] smpboot_thread_fn+0x68b/0xa00 [ 355.385640] ? sort_range+0x30/0x30 [ 355.389265] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.394370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.399912] ? __kthread_parkme+0xfb/0x1a0 [ 355.404156] ? sort_range+0x30/0x30 [ 355.407783] kthread+0x35a/0x440 [ 355.411163] ? kthread_stop+0x900/0x900 [ 355.415141] ret_from_fork+0x3a/0x50 [ 355.418896] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 355.418898] Mem-Info: [ 355.418930] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 355.418930] active_file:12 inactive_file:11 isolated_file:0 [ 355.418930] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.418930] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 355.418930] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 355.418930] free:13794 free_pcp:515 free_cma:0 [ 355.425743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.428187] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.461031] Call Trace: [ 355.470371] 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 [ 355.497864] dump_stack+0x244/0x39d [ 355.500455] lowmem_reserve[]: 0 2818 6321 6321 [ 355.526573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.530189] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 355.534772] warn_alloc.cold.116+0xb7/0x1bd [ 355.539925] lowmem_reserve[]: 0 0 3503 3503 [ 355.567245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.571554] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 355.575868] ? lock_downgrade+0x900/0x900 [ 355.580687] lowmem_reserve[]: 0 0 0 0 [ 355.609744] ? trace_hardirqs_off+0xb8/0x310 [ 355.613861] 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 [ 355.617680] ? trace_hardirqs_off+0xb8/0x310 [ 355.622087] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 355.635623] __alloc_pages_slowpath+0x2651/0x2de0 [ 355.640004] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 355.655019] ? warn_alloc+0x120/0x120 [ 355.659819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.674807] ? print_usage_bug+0xc0/0xc0 [ 355.678587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.687409] ? warn_alloc+0x120/0x120 [ 355.691455] 267 total pagecache pages [ 355.700020] ? warn_alloc+0x120/0x120 [ 355.703800] 0 pages in swap cache [ 355.707604] ? print_usage_bug+0xc0/0xc0 [ 355.711397] Swap cache stats: add 0, delete 0, find 0/0 [ 355.714850] ? print_usage_bug+0xc0/0xc0 [ 355.718884] Free swap = 0kB [ 355.724253] ? __lock_acquire+0x62f/0x4c20 [ 355.728301] Total swap = 0kB [ 355.731309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.735516] 1965979 pages RAM [ 355.738529] ? should_fail+0x22d/0xd01 [ 355.744052] 0 pages HighMem/MovableOnly [ 355.747152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.751015] 342854 pages reserved [ 355.754979] ? __lock_acquire+0x62f/0x4c20 [ 355.760056] 0 pages cma reserved [ 355.763499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.767833] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.771067] ? __lock_acquire+0x62f/0x4c20 [ 355.776145] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 355.786446] ? should_fail+0x22d/0xd01 [ 355.799195] ? find_held_lock+0x36/0x1c0 [ 355.803268] ? mark_held_locks+0x130/0x130 [ 355.807511] ? mark_held_locks+0x130/0x130 [ 355.811741] ? zap_class+0x640/0x640 [ 355.815450] ? zap_class+0x640/0x640 [ 355.819169] ? print_usage_bug+0xc0/0xc0 [ 355.823228] ? do_raw_spin_unlock+0xa7/0x330 [ 355.827637] ? zap_class+0x640/0x640 [ 355.831354] ? print_usage_bug+0xc0/0xc0 [ 355.835433] ? wq_watchdog_touch+0x9c/0xfe [ 355.839705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.845272] ? check_preemption_disabled+0x48/0x280 [ 355.850299] ? __lock_is_held+0xb5/0x140 [ 355.854367] __alloc_pages_nodemask+0xad8/0xea0 [ 355.859038] ? zap_class+0x640/0x640 [ 355.862759] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 355.867794] ? find_held_lock+0x36/0x1c0 [ 355.871868] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.876553] ? lock_downgrade+0x900/0x900 [ 355.880707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.886248] cache_grow_begin+0xa5/0x8c0 [ 355.890307] ? do_raw_spin_unlock+0xa7/0x330 [ 355.894725] fallback_alloc+0x204/0x2e0 [ 355.898705] ____cache_alloc_node+0x1c7/0x1e0 [ 355.903208] kmem_cache_alloc_node+0xe3/0x730 [ 355.907709] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.911973] __alloc_skb+0x119/0x770 [ 355.915683] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.920965] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.925390] ? lock_downgrade+0x900/0x900 [ 355.929548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.935084] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.940543] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.945994] ? addrconf_rs_timer+0x690/0x690 [ 355.950415] ndisc_alloc_skb+0x144/0x340 [ 355.954483] ndisc_send_rs+0x331/0x6e0 [ 355.958828] addrconf_rs_timer+0x314/0x690 [ 355.963069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.967313] call_timer_fn+0x272/0x920 [ 355.971203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.975440] ? process_timeout+0x40/0x40 [ 355.979525] ? __run_timers+0x7da/0xc70 [ 355.983501] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.988013] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.992508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.996771] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.001355] ? trace_hardirqs_on+0xbd/0x310 [ 356.005679] ? kasan_check_read+0x11/0x20 [ 356.009839] ? __run_timers+0x7da/0xc70 [ 356.013839] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.018945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.023188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.027460] __run_timers+0x7e5/0xc70 [ 356.031273] ? timer_fixup_init+0x70/0x70 [ 356.035446] ? find_held_lock+0x36/0x1c0 [ 356.039544] ? __schedule+0x168a/0x21d0 [ 356.043515] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.048017] ? pvclock_read_flags+0x160/0x160 [ 356.052513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.058053] ? check_preemption_disabled+0x48/0x280 [ 356.063077] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 356.068618] ? rcu_pm_notify+0xc0/0xc0 [ 356.072509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.078047] ? check_preemption_disabled+0x48/0x280 [ 356.083071] run_timer_softirq+0x52/0xb0 [ 356.087135] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.092148] __do_softirq+0x308/0xb7e [ 356.095950] ? retint_kernel+0x2d/0x2d [ 356.099861] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.104979] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.110430] ? finish_task_switch+0x2f4/0x910 [ 356.114938] ? schedule+0x108/0x460 [ 356.118574] ? trace_hardirqs_off+0xb8/0x310 [ 356.122982] ? smpboot_thread_fn+0x68b/0xa00 [ 356.127391] ? trace_hardirqs_on+0x310/0x310 [ 356.131801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.137341] ? check_preemption_disabled+0x48/0x280 [ 356.142375] ? takeover_tasklets+0xa90/0xa90 [ 356.146782] run_ksoftirqd+0x5e/0x100 [ 356.150582] smpboot_thread_fn+0x68b/0xa00 [ 356.154835] ? sort_range+0x30/0x30 [ 356.158478] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.163583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.169157] ? __kthread_parkme+0xfb/0x1a0 [ 356.173422] ? sort_range+0x30/0x30 [ 356.177060] kthread+0x35a/0x440 [ 356.180442] ? kthread_stop+0x900/0x900 [ 356.184421] ret_from_fork+0x3a/0x50 [ 356.188153] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 356.188214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.195092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.195101] Call Trace: [ 356.201685] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.210946] dump_stack+0x244/0x39d [ 356.213509] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 356.223816] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.237266] warn_alloc.cold.116+0xb7/0x1bd [ 356.241587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.246435] ? lock_downgrade+0x900/0x900 [ 356.250595] ? trace_hardirqs_off+0xb8/0x310 [ 356.255057] ? trace_hardirqs_off+0xb8/0x310 [ 356.259476] __alloc_pages_slowpath+0x2651/0x2de0 [ 356.264345] ? warn_alloc+0x120/0x120 [ 356.268149] ? warn_alloc+0x120/0x120 [ 356.271953] ? warn_alloc+0x120/0x120 [ 356.275760] ? print_usage_bug+0xc0/0xc0 [ 356.279819] ? ip6_mc_input+0xae0/0x11d0 [ 356.283881] ? print_usage_bug+0xc0/0xc0 [ 356.287972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.293510] ? should_fail+0x22d/0xd01 [ 356.297428] ? ipv6_dev_mc_dec+0x260/0x260 [ 356.301672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.306775] ? __lock_acquire+0x62f/0x4c20 [ 356.311016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.316118] ? should_fail+0x22d/0xd01 [ 356.320027] ? mark_held_locks+0x130/0x130 [ 356.324264] ? mark_held_locks+0x130/0x130 [ 356.328503] ? ipv6_rcv+0x419/0x640 [ 356.332141] ? lock_downgrade+0x900/0x900 [ 356.336291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.341828] ? check_preemption_disabled+0x48/0x280 [ 356.346852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.352402] ? check_preemption_disabled+0x48/0x280 [ 356.357480] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 356.363022] ? rcu_pm_notify+0xc0/0xc0 [ 356.366922] __alloc_pages_nodemask+0xad8/0xea0 [ 356.371596] ? zap_class+0x640/0x640 [ 356.375314] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 356.380340] ? find_held_lock+0x36/0x1c0 [ 356.384418] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.389089] ? lock_downgrade+0x900/0x900 [ 356.393245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.398790] cache_grow_begin+0xa5/0x8c0 [ 356.402854] ? do_raw_spin_unlock+0xa7/0x330 [ 356.407298] fallback_alloc+0x204/0x2e0 [ 356.411296] ____cache_alloc_node+0x1c7/0x1e0 [ 356.415826] kmem_cache_alloc+0x1f8/0x730 [ 356.419993] ? __lock_is_held+0xb5/0x140 [ 356.424064] __build_skb+0xab/0x430 [ 356.427696] ? skb_try_coalesce+0x1b70/0x1b70 [ 356.432191] ? br_netif_receive_skb+0x107/0x210 [ 356.436897] ? __alloc_pages_nodemask+0xea0/0xea0 [ 356.441759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.447294] ? check_preemption_disabled+0x48/0x280 [ 356.452336] __napi_alloc_skb+0x1d6/0x310 [ 356.456491] page_to_skb.isra.45+0xee/0x8d0 [ 356.460848] ? check_preemption_disabled+0x48/0x280 [ 356.465865] ? virtnet_remove+0xf0/0xf0 [ 356.469856] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.474791] ? kasan_check_read+0x11/0x20 [ 356.478943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.484224] ? rcu_softirq_qs+0x20/0x20 [ 356.488223] receive_mergeable+0x155d/0x3a90 [ 356.492634] ? check_preemption_disabled+0x48/0x280 [ 356.497659] ? virtnet_probe+0x2240/0x2240 [ 356.501904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.507443] ? rt6_score_route+0x118/0x400 [ 356.511681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.517238] ? find_match+0x492/0x10a0 [ 356.521138] ? br_nf_hook_thresh+0x41a/0x5f0 [ 356.525545] ? zap_class+0x640/0x640 [ 356.529258] ? zap_class+0x640/0x640 [ 356.532977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.538515] ? check_preemption_disabled+0x48/0x280 [ 356.543540] ? __lock_is_held+0xb5/0x140 [ 356.547614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.553148] ? fib6_table_lookup+0xcd5/0x1490 [ 356.557660] ? print_usage_bug+0xc0/0xc0 [ 356.561742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.567292] ? print_usage_bug+0xc0/0xc0 [ 356.571366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.576927] ? __rt6_find_exception_rcu+0x379/0x510 [ 356.581949] ? check_preemption_disabled+0x48/0x280 [ 356.586982] ? __lock_acquire+0x62f/0x4c20 [ 356.591222] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 356.597132] ? ret_from_fork+0x3a/0x50 [ 356.601017] ? ip6_pol_route+0x4a5/0x1a00 [ 356.605184] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 356.611072] ? ret_from_fork+0x3a/0x50 [ 356.614962] ? rb_erase_cached+0xc78/0x3720 [ 356.619290] ? rb_next+0x140/0x140 [ 356.622835] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 356.627865] ? unwind_dump+0x190/0x190 [ 356.631763] ? unwind_dump+0x190/0x190 [ 356.635666] ? unwind_next_frame+0x3e/0x50 [ 356.639910] ? __save_stack_trace+0x7d/0xf0 [ 356.644273] receive_buf+0xb0f/0x3230 [ 356.648082] ? save_stack+0xa9/0xd0 [ 356.651711] ? kasan_init_slab_obj+0x1/0x30 [ 356.656051] ? receive_mergeable+0x3a90/0x3a90 [ 356.660637] ? __netif_receive_skb+0x2c/0x1e0 [ 356.665131] ? process_backlog+0x24e/0x7a0 [ 356.669363] ? net_rx_action+0x7fa/0x19b0 [ 356.673541] ? __do_softirq+0x308/0xb7e [ 356.677510] ? run_ksoftirqd+0x5e/0x100 [ 356.681502] ? smpboot_thread_fn+0x68b/0xa00 [ 356.685915] ? kthread+0x35a/0x440 [ 356.689468] ? print_usage_bug+0xc0/0xc0 [ 356.693532] ? trace_hardirqs_on+0x310/0x310 [ 356.697944] ? trace_hardirqs_on+0xbd/0x310 [ 356.702266] ? zap_class+0x640/0x640 [ 356.705981] ? trace_hardirqs_off+0xb8/0x310 [ 356.710396] ? zap_class+0x640/0x640 [ 356.714118] ? __update_load_avg_se+0x5eb/0xae0 [ 356.718805] ? __lock_acquire+0x62f/0x4c20 [ 356.723058] ? __update_load_avg_blocked_se+0x690/0x690 [ 356.728429] ? __update_load_avg_se+0xae0/0xae0 [ 356.733099] ? __lock_is_held+0xb5/0x140 [ 356.737170] ? update_load_avg+0x387/0x2470 [ 356.741501] ? attach_entity_load_avg+0x860/0x860 [ 356.746350] ? update_load_avg+0x387/0x2470 [ 356.750672] ? mark_held_locks+0x130/0x130 [ 356.754925] ? attach_entity_load_avg+0x860/0x860 [ 356.759768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.765304] ? check_preemption_disabled+0x48/0x280 [ 356.770320] ? zap_class+0x640/0x640 [ 356.774032] ? ip6_mc_input+0x522/0x11d0 [ 356.778124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.783678] ? vring_use_dma_api+0xa5/0xc0 [ 356.787922] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.793461] ? vring_unmap_one+0x5a/0x410 [ 356.797611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.803144] ? detach_buf+0x34b/0x5d0 [ 356.806957] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 356.812491] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 356.817267] ? virtqueue_detach_unused_buf+0x220/0x220 [ 356.822547] ? print_usage_bug+0xc0/0xc0 [ 356.826613] virtnet_poll+0x421/0x105f [ 356.830509] ? receive_buf+0x3230/0x3230 [ 356.834582] ? net_rx_action+0x4b5/0x19b0 [ 356.838727] ? net_rx_action+0x4b5/0x19b0 [ 356.842876] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.847495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.853032] ? check_preemption_disabled+0x48/0x280 [ 356.858050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.863625] net_rx_action+0x7fa/0x19b0 [ 356.867609] ? napi_complete_done+0x7a0/0x7a0 [ 356.872106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.877643] ? check_preemption_disabled+0x48/0x280 [ 356.882677] ? zap_class+0x640/0x640 [ 356.886407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.891953] ? find_held_lock+0x36/0x1c0 [ 356.896043] ? net_tx_action+0xa65/0x1000 [ 356.900194] ? lock_downgrade+0x900/0x900 [ 356.904343] ? xfrm_dev_backlog+0x41a/0x6c0 [ 356.908666] ? validate_xmit_xfrm+0xda0/0xda0 [ 356.913159] ? do_raw_spin_unlock+0xa7/0x330 [ 356.917565] ? do_raw_spin_trylock+0x270/0x270 [ 356.922151] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.927266] ? net_tx_action+0xa14/0x1000 [ 356.931443] ? clean_xps_maps+0x570/0x570 [ 356.935601] ? __switch_to_asm+0x40/0x70 [ 356.939672] ? __switch_to_asm+0x34/0x70 [ 356.943733] ? __switch_to_asm+0x40/0x70 [ 356.947789] ? __switch_to_asm+0x34/0x70 [ 356.951846] ? __switch_to_asm+0x40/0x70 [ 356.955913] ? __switch_to_asm+0x34/0x70 [ 356.959975] ? __switch_to_asm+0x40/0x70 [ 356.964043] ? pvclock_read_flags+0x160/0x160 [ 356.968540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.974080] ? check_preemption_disabled+0x48/0x280 [ 356.979117] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 356.984662] ? rcu_pm_notify+0xc0/0xc0 [ 356.988567] __do_softirq+0x308/0xb7e [ 356.992374] ? retint_kernel+0x2d/0x2d [ 356.996279] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.001399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.006862] ? schedule+0x108/0x460 [ 357.010509] ? trace_hardirqs_off+0xb8/0x310 [ 357.014928] ? smpboot_thread_fn+0x68b/0xa00 [ 357.019337] ? trace_hardirqs_on+0x310/0x310 [ 357.023743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.029278] ? check_preemption_disabled+0x48/0x280 [ 357.034307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.039846] ? takeover_tasklets+0xa90/0xa90 [ 357.044257] run_ksoftirqd+0x5e/0x100 [ 357.048058] smpboot_thread_fn+0x68b/0xa00 [ 357.052309] ? sort_range+0x30/0x30 [ 357.055953] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.061056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.066594] ? __kthread_parkme+0xfb/0x1a0 [ 357.070837] ? sort_range+0x30/0x30 [ 357.074464] kthread+0x35a/0x440 [ 357.077835] ? kthread_stop+0x900/0x900 [ 357.081821] ret_from_fork+0x3a/0x50 [ 357.085551] warn_alloc_show_mem: 1 callbacks suppressed [ 357.085562] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 357.085564] Mem-Info: [ 357.085596] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 357.085596] active_file:12 inactive_file:11 isolated_file:0 [ 357.085596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.085596] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 357.085596] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 357.085596] free:13794 free_pcp:515 free_cma:0 [ 357.091064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.097916] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.100331] Call Trace: [ 357.133195] 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 [ 357.142544] dump_stack+0x244/0x39d [ 357.170015] lowmem_reserve[]: 0 2818 6321 6321 [ 357.172594] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.198693] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 357.202322] warn_alloc.cold.116+0xb7/0x1bd [ 357.206872] lowmem_reserve[]: 0 0 3503 3503 [ 357.212058] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.239355] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 357.243687] ? lock_downgrade+0x900/0x900 [ 357.248000] lowmem_reserve[]: 0 0 0 0 [ 357.252859] ? trace_hardirqs_off+0xb8/0x310 [ 357.281907] 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 [ 357.286072] ? trace_hardirqs_off+0xb8/0x310 [ 357.289845] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 357.294248] __alloc_pages_slowpath+0x2651/0x2de0 [ 357.307742] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 53*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14032kB [ 357.312197] ? warn_alloc+0x120/0x120 [ 357.327157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.331989] ? print_usage_bug+0xc0/0xc0 [ 357.346969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.350758] ? warn_alloc+0x120/0x120 [ 357.359568] 267 total pagecache pages [ 357.363619] ? warn_alloc+0x120/0x120 [ 357.372171] 0 pages in swap cache [ 357.375962] ? print_usage_bug+0xc0/0xc0 [ 357.379744] Swap cache stats: add 0, delete 0, find 0/0 [ 357.383538] ? print_usage_bug+0xc0/0xc0 [ 357.386970] Free swap = 0kB [ 357.391025] ? __lock_acquire+0x62f/0x4c20 [ 357.396367] Total swap = 0kB [ 357.400429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.403425] 1965979 pages RAM [ 357.407652] ? should_fail+0x22d/0xd01 [ 357.410659] 0 pages HighMem/MovableOnly [ 357.416200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.419283] 342854 pages reserved [ 357.423162] ? __lock_acquire+0x62f/0x4c20 [ 357.427108] 0 pages cma reserved [ 357.432220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.435760] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.439875] ? __lock_acquire+0x62f/0x4c20 [ 357.443231] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 357.448352] ? should_fail+0x22d/0xd01 [ 357.471441] ? find_held_lock+0x36/0x1c0 [ 357.475512] ? mark_held_locks+0x130/0x130 [ 357.479771] ? mark_held_locks+0x130/0x130 [ 357.484006] ? zap_class+0x640/0x640 [ 357.487720] ? mark_held_locks+0xc7/0x130 [ 357.491863] ? do_raw_spin_unlock+0xa7/0x330 [ 357.496309] ? zap_class+0x640/0x640 [ 357.500020] ? print_usage_bug+0xc0/0xc0 [ 357.504123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.509658] ? check_preemption_disabled+0x48/0x280 [ 357.514684] ? __lock_is_held+0xb5/0x140 [ 357.518752] __alloc_pages_nodemask+0xad8/0xea0 [ 357.523416] ? zap_class+0x640/0x640 [ 357.527136] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 357.532182] ? find_held_lock+0x36/0x1c0 [ 357.536267] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.540947] ? lock_downgrade+0x900/0x900 [ 357.545116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.550660] cache_grow_begin+0xa5/0x8c0 [ 357.554723] ? do_raw_spin_unlock+0xa7/0x330 [ 357.559141] fallback_alloc+0x204/0x2e0 [ 357.563122] ____cache_alloc_node+0x1c7/0x1e0 [ 357.567627] kmem_cache_alloc_node+0xe3/0x730 [ 357.572121] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.576365] __alloc_skb+0x119/0x770 [ 357.580076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.585360] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.589772] ? lock_downgrade+0x900/0x900 [ 357.593939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.599507] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.604961] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.610413] ? addrconf_rs_timer+0x690/0x690 [ 357.614851] ndisc_alloc_skb+0x144/0x340 [ 357.618948] ndisc_send_rs+0x331/0x6e0 [ 357.622839] addrconf_rs_timer+0x314/0x690 [ 357.627080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.631326] call_timer_fn+0x272/0x920 [ 357.635211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.639445] ? process_timeout+0x40/0x40 [ 357.643515] ? __run_timers+0x7da/0xc70 [ 357.647578] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.652076] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.656570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.660803] ? lockdep_hardirqs_on+0x296/0x5b0 [ 357.665390] ? trace_hardirqs_on+0xbd/0x310 [ 357.669712] ? kasan_check_read+0x11/0x20 [ 357.673897] ? __run_timers+0x7da/0xc70 [ 357.677879] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.683016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.687259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.691491] __run_timers+0x7e5/0xc70 [ 357.695299] ? timer_fixup_init+0x70/0x70 [ 357.699462] ? find_held_lock+0x36/0x1c0 [ 357.703527] ? __schedule+0x168a/0x21d0 [ 357.707499] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.712004] ? pvclock_read_flags+0x160/0x160 [ 357.716502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.722042] ? check_preemption_disabled+0x48/0x280 [ 357.727066] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 357.732604] ? rcu_pm_notify+0xc0/0xc0 [ 357.736495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.742045] ? check_preemption_disabled+0x48/0x280 [ 357.747068] run_timer_softirq+0x52/0xb0 [ 357.751125] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.756156] __do_softirq+0x308/0xb7e [ 357.759957] ? retint_kernel+0x2d/0x2d [ 357.763843] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.768947] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.774395] ? finish_task_switch+0x2f4/0x910 [ 357.778907] ? schedule+0x108/0x460 [ 357.782564] ? trace_hardirqs_off+0xb8/0x310 [ 357.786991] ? smpboot_thread_fn+0x68b/0xa00 [ 357.791409] ? trace_hardirqs_on+0x310/0x310 [ 357.795829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.801366] ? check_preemption_disabled+0x48/0x280 [ 357.806381] ? takeover_tasklets+0xa90/0xa90 [ 357.810791] run_ksoftirqd+0x5e/0x100 [ 357.814609] smpboot_thread_fn+0x68b/0xa00 [ 357.818896] ? sort_range+0x30/0x30 [ 357.822525] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.827630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.833183] ? __kthread_parkme+0xfb/0x1a0 [ 357.837436] ? sort_range+0x30/0x30 [ 357.841079] kthread+0x35a/0x440 [ 357.844465] ? kthread_stop+0x900/0x900 [ 357.848440] ret_from_fork+0x3a/0x50 [ 357.852169] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 357.852224] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 357.859113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.859118] Call Trace: [ 357.859136] dump_stack+0x244/0x39d [ 357.859156] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.865674] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.875002] warn_alloc.cold.116+0xb7/0x1bd [ 357.877569] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 357.881200] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.910444] ? lock_downgrade+0x900/0x900 [ 357.914599] ? trace_hardirqs_off+0xb8/0x310 [ 357.919016] ? trace_hardirqs_off+0xb8/0x310 [ 357.923437] __alloc_pages_slowpath+0x2651/0x2de0 [ 357.928323] ? warn_alloc+0x120/0x120 [ 357.932146] ? warn_alloc+0x120/0x120 [ 357.935952] ? warn_alloc+0x120/0x120 [ 357.939756] ? print_usage_bug+0xc0/0xc0 [ 357.943819] ? print_usage_bug+0xc0/0xc0 [ 357.947885] ? lock_downgrade+0x900/0x900 [ 357.952059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.957589] ? should_fail+0x22d/0xd01 [ 357.961474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.966580] ? __lock_acquire+0x62f/0x4c20 [ 357.970818] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.975921] ? should_fail+0x22d/0xd01 [ 357.979834] ? mark_held_locks+0x130/0x130 [ 357.984072] ? mark_held_locks+0x130/0x130 [ 357.988308] ? debug_check_no_obj_freed+0x305/0x58d [ 357.993326] ? drain_local_pages_wq+0x40/0x40 [ 357.997819] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.002405] ? trace_hardirqs_on+0xbd/0x310 [ 358.006729] ? kasan_check_read+0x11/0x20 [ 358.010880] ? debug_check_no_obj_freed+0x305/0x58d [ 358.015930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.021487] ? check_preemption_disabled+0x48/0x280 [ 358.026514] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 358.032055] ? rcu_pm_notify+0xc0/0xc0 [ 358.035949] __alloc_pages_nodemask+0xad8/0xea0 [ 358.040615] ? zap_class+0x640/0x640 [ 358.044335] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 358.049363] ? find_held_lock+0x36/0x1c0 [ 358.053440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.058111] ? lock_downgrade+0x900/0x900 [ 358.062272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.067821] cache_grow_begin+0xa5/0x8c0 [ 358.071895] ? do_raw_spin_unlock+0xa7/0x330 [ 358.076319] fallback_alloc+0x204/0x2e0 [ 358.080298] ____cache_alloc_node+0x1c7/0x1e0 [ 358.084798] kmem_cache_alloc+0x1f8/0x730 [ 358.088951] ? __lock_is_held+0xb5/0x140 [ 358.093024] __build_skb+0xab/0x430 [ 358.096655] ? skb_try_coalesce+0x1b70/0x1b70 [ 358.101158] ? __alloc_pages_nodemask+0xea0/0xea0 [ 358.106005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.111545] ? check_preemption_disabled+0x48/0x280 [ 358.116569] __napi_alloc_skb+0x1d6/0x310 [ 358.120722] page_to_skb.isra.45+0xee/0x8d0 [ 358.125050] ? check_preemption_disabled+0x48/0x280 [ 358.130074] ? virtnet_remove+0xf0/0xf0 [ 358.134050] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.138979] ? kasan_check_read+0x11/0x20 [ 358.143126] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.148402] ? rcu_softirq_qs+0x20/0x20 [ 358.152397] receive_mergeable+0x155d/0x3a90 [ 358.156811] ? check_preemption_disabled+0x48/0x280 [ 358.161839] ? virtnet_probe+0x2240/0x2240 [ 358.166081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.171621] ? rt6_score_route+0x118/0x400 [ 358.175862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.181406] ? find_match+0x492/0x10a0 [ 358.185315] ? br_nf_hook_thresh+0x41a/0x5f0 [ 358.189740] ? zap_class+0x640/0x640 [ 358.193456] ? zap_class+0x640/0x640 [ 358.197174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.202747] ? check_preemption_disabled+0x48/0x280 [ 358.207777] ? __lock_is_held+0xb5/0x140 [ 358.211855] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.217396] ? fib6_table_lookup+0xcd5/0x1490 [ 358.221920] ? print_usage_bug+0xc0/0xc0 [ 358.225985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.231534] ? print_usage_bug+0xc0/0xc0 [ 358.235609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.241150] ? __rt6_find_exception_rcu+0x379/0x510 [ 358.246165] ? check_preemption_disabled+0x48/0x280 [ 358.251195] ? __lock_acquire+0x62f/0x4c20 [ 358.255436] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 358.261316] ? ret_from_fork+0x3a/0x50 [ 358.265219] ? ip6_pol_route+0x4a5/0x1a00 [ 358.269384] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 358.275279] ? ret_from_fork+0x3a/0x50 [ 358.279168] ? rb_erase_cached+0xc78/0x3720 [ 358.283495] ? rb_next+0x140/0x140 [ 358.287036] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 358.292054] ? unwind_dump+0x190/0x190 [ 358.295959] ? unwind_dump+0x190/0x190 [ 358.299901] ? unwind_next_frame+0x3e/0x50 [ 358.304142] ? __save_stack_trace+0x7d/0xf0 [ 358.308470] receive_buf+0xb0f/0x3230 [ 358.312276] ? save_stack+0xa9/0xd0 [ 358.315912] ? kasan_init_slab_obj+0x1/0x30 [ 358.320239] ? receive_mergeable+0x3a90/0x3a90 [ 358.324823] ? __netif_receive_skb+0x2c/0x1e0 [ 358.329317] ? process_backlog+0x24e/0x7a0 [ 358.333554] ? net_rx_action+0x7fa/0x19b0 [ 358.337699] ? __do_softirq+0x308/0xb7e [ 358.341674] ? run_ksoftirqd+0x5e/0x100 [ 358.345646] ? smpboot_thread_fn+0x68b/0xa00 [ 358.350055] ? kthread+0x35a/0x440 [ 358.353592] ? print_usage_bug+0xc0/0xc0 [ 358.357666] ? trace_hardirqs_on+0x310/0x310 [ 358.362097] ? trace_hardirqs_on+0xbd/0x310 [ 358.366425] ? zap_class+0x640/0x640 [ 358.370137] ? trace_hardirqs_off+0xb8/0x310 [ 358.374554] ? zap_class+0x640/0x640 [ 358.378272] ? __update_load_avg_se+0x5eb/0xae0 [ 358.382956] ? __lock_acquire+0x62f/0x4c20 [ 358.387198] ? __update_load_avg_blocked_se+0x690/0x690 [ 358.392569] ? __update_load_avg_se+0xae0/0xae0 [ 358.397233] ? __lock_is_held+0xb5/0x140 [ 358.401305] ? update_load_avg+0x387/0x2470 [ 358.405628] ? attach_entity_load_avg+0x860/0x860 [ 358.410476] ? update_load_avg+0x387/0x2470 [ 358.414797] ? mark_held_locks+0x130/0x130 [ 358.419033] ? attach_entity_load_avg+0x860/0x860 [ 358.423874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.429425] ? check_preemption_disabled+0x48/0x280 [ 358.434455] ? zap_class+0x640/0x640 [ 358.438175] ? ip6_mc_input+0x522/0x11d0 [ 358.442239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.447775] ? vring_use_dma_api+0xa5/0xc0 [ 358.452012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.457545] ? vring_unmap_one+0x5a/0x410 [ 358.461701] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.467239] ? detach_buf+0x34b/0x5d0 [ 358.471052] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 358.476587] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 358.481352] ? virtqueue_detach_unused_buf+0x220/0x220 [ 358.486633] ? print_usage_bug+0xc0/0xc0 [ 358.490693] virtnet_poll+0x421/0x105f [ 358.494589] ? receive_buf+0x3230/0x3230 [ 358.498656] ? net_rx_action+0x4b5/0x19b0 [ 358.502802] ? net_rx_action+0x4b5/0x19b0 [ 358.506945] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.511536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.517076] ? check_preemption_disabled+0x48/0x280 [ 358.522107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.527644] net_rx_action+0x7fa/0x19b0 [ 358.531652] ? napi_complete_done+0x7a0/0x7a0 [ 358.536177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.541746] ? check_preemption_disabled+0x48/0x280 [ 358.546792] ? zap_class+0x640/0x640 [ 358.550513] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.556081] ? find_held_lock+0x36/0x1c0 [ 358.560196] ? net_tx_action+0xa65/0x1000 [ 358.564359] ? lock_downgrade+0x900/0x900 [ 358.568539] ? xfrm_dev_backlog+0x41a/0x6c0 [ 358.572878] ? validate_xmit_xfrm+0xda0/0xda0 [ 358.577396] ? do_raw_spin_unlock+0xa7/0x330 [ 358.581807] ? do_raw_spin_trylock+0x270/0x270 [ 358.586388] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.591522] ? net_tx_action+0xa14/0x1000 [ 358.595675] ? clean_xps_maps+0x570/0x570 [ 358.599822] ? __switch_to_asm+0x40/0x70 [ 358.603881] ? __switch_to_asm+0x34/0x70 [ 358.607962] ? __switch_to_asm+0x40/0x70 [ 358.612020] ? __switch_to_asm+0x34/0x70 [ 358.616102] ? __switch_to_asm+0x40/0x70 [ 358.620156] ? __switch_to_asm+0x34/0x70 [ 358.624214] ? __switch_to_asm+0x40/0x70 [ 358.628303] ? pvclock_read_flags+0x160/0x160 [ 358.632809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.638343] ? check_preemption_disabled+0x48/0x280 [ 358.643384] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 358.648926] ? rcu_pm_notify+0xc0/0xc0 [ 358.652826] __do_softirq+0x308/0xb7e [ 358.656627] ? retint_kernel+0x2d/0x2d [ 358.660519] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.665620] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.671078] ? schedule+0x108/0x460 [ 358.674715] ? trace_hardirqs_off+0xb8/0x310 [ 358.679126] ? smpboot_thread_fn+0x68b/0xa00 [ 358.683549] ? trace_hardirqs_on+0x310/0x310 [ 358.687989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.693524] ? check_preemption_disabled+0x48/0x280 [ 358.698536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.704071] ? takeover_tasklets+0xa90/0xa90 [ 358.708490] run_ksoftirqd+0x5e/0x100 [ 358.712307] smpboot_thread_fn+0x68b/0xa00 [ 358.716555] ? sort_range+0x30/0x30 [ 358.720177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.725291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.730839] ? __kthread_parkme+0xfb/0x1a0 [ 358.735078] ? sort_range+0x30/0x30 [ 358.738718] kthread+0x35a/0x440 [ 358.742087] ? kthread_stop+0x900/0x900 [ 358.746085] ret_from_fork+0x3a/0x50 [ 358.749823] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 358.749828] warn_alloc_show_mem: 1 callbacks suppressed [ 358.749835] Mem-Info: [ 358.756674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.762052] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 358.762052] active_file:12 inactive_file:11 isolated_file:0 [ 358.762052] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.762052] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 358.762052] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 358.762052] free:13794 free_pcp:515 free_cma:0 [ 358.764423] Call Trace: [ 358.773809] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.806662] dump_stack+0x244/0x39d [ 358.809221] 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 [ 358.836711] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.840309] lowmem_reserve[]: 0 2818 6321 6321 [ 358.866417] warn_alloc.cold.116+0xb7/0x1bd [ 358.871574] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 358.876182] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.880478] lowmem_reserve[]: 0 0 3503 3503 [ 358.907797] ? lock_downgrade+0x900/0x900 [ 358.912615] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 358.916951] ? trace_hardirqs_off+0xb8/0x310 [ 358.921067] lowmem_reserve[]: 0 0 0 0 [ 358.950137] ? trace_hardirqs_off+0xb8/0x310 [ 358.954519] 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 [ 358.958747] __alloc_pages_slowpath+0x2651/0x2de0 [ 358.963142] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 358.976678] ? warn_alloc+0x120/0x120 [ 358.981472] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 54*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14064kB [ 358.996464] ? print_usage_bug+0xc0/0xc0 [ 359.000247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 359.015229] ? warn_alloc+0x120/0x120 [ 359.019284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 359.028111] ? warn_alloc+0x120/0x120 [ 359.031894] 267 total pagecache pages [ 359.040479] ? print_usage_bug+0xc0/0xc0 [ 359.044257] 0 pages in swap cache [ 359.048072] ? print_usage_bug+0xc0/0xc0 [ 359.052112] Swap cache stats: add 0, delete 0, find 0/0 [ 359.055556] ? __lock_acquire+0x62f/0x4c20 [ 359.059596] Free swap = 0kB [ 359.064986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.069192] Total swap = 0kB [ 359.072204] ? should_fail+0x22d/0xd01 [ 359.077718] 1965979 pages RAM [ 359.080725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.084588] 0 pages HighMem/MovableOnly [ 359.087701] ? __lock_acquire+0x62f/0x4c20 [ 359.093215] 342854 pages reserved [ 359.097182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.101390] 0 pages cma reserved [ 359.104834] ? __lock_acquire+0x62f/0x4c20 [ 359.110075] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.113285] ? should_fail+0x22d/0xd01 [ 359.117500] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 359.127803] ? find_held_lock+0x36/0x1c0 [ 359.140390] ? mark_held_locks+0x130/0x130 [ 359.144630] ? mark_held_locks+0x130/0x130 [ 359.148862] ? zap_class+0x640/0x640 [ 359.152580] ? zap_class+0x640/0x640 [ 359.156290] ? print_usage_bug+0xc0/0xc0 [ 359.160344] ? do_raw_spin_unlock+0xa7/0x330 [ 359.164748] ? zap_class+0x640/0x640 [ 359.168491] ? print_usage_bug+0xc0/0xc0 [ 359.172551] ? wq_watchdog_touch+0x9c/0xfe [ 359.176788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.182328] ? check_preemption_disabled+0x48/0x280 [ 359.187353] ? __lock_is_held+0xb5/0x140 [ 359.191423] __alloc_pages_nodemask+0xad8/0xea0 [ 359.196090] ? zap_class+0x640/0x640 [ 359.199821] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 359.204861] ? find_held_lock+0x36/0x1c0 [ 359.208943] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.213616] ? lock_downgrade+0x900/0x900 [ 359.217770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.223312] cache_grow_begin+0xa5/0x8c0 [ 359.227370] ? do_raw_spin_unlock+0xa7/0x330 [ 359.231783] fallback_alloc+0x204/0x2e0 [ 359.235777] ____cache_alloc_node+0x1c7/0x1e0 [ 359.240277] kmem_cache_alloc_node+0xe3/0x730 [ 359.244773] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.249033] __alloc_skb+0x119/0x770 [ 359.252739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.258018] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.262425] ? lock_downgrade+0x900/0x900 [ 359.266580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.272144] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.277594] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.283061] ? addrconf_rs_timer+0x690/0x690 [ 359.287479] ndisc_alloc_skb+0x144/0x340 [ 359.291545] ndisc_send_rs+0x331/0x6e0 [ 359.295437] addrconf_rs_timer+0x314/0x690 [ 359.299704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.303951] call_timer_fn+0x272/0x920 [ 359.307839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.312075] ? process_timeout+0x40/0x40 [ 359.316157] ? __run_timers+0x7da/0xc70 [ 359.320135] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.324643] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.329138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.333387] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.337971] ? trace_hardirqs_on+0xbd/0x310 [ 359.342294] ? kasan_check_read+0x11/0x20 [ 359.346456] ? __run_timers+0x7da/0xc70 [ 359.350428] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.355534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.359772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.364001] __run_timers+0x7e5/0xc70 [ 359.367836] ? timer_fixup_init+0x70/0x70 [ 359.372004] ? find_held_lock+0x36/0x1c0 [ 359.376078] ? __schedule+0x168a/0x21d0 [ 359.380069] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.384574] ? pvclock_read_flags+0x160/0x160 [ 359.389069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.394621] ? check_preemption_disabled+0x48/0x280 [ 359.399647] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 359.405190] ? rcu_pm_notify+0xc0/0xc0 [ 359.409092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.414628] ? check_preemption_disabled+0x48/0x280 [ 359.419651] run_timer_softirq+0x52/0xb0 [ 359.423713] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.428728] __do_softirq+0x308/0xb7e [ 359.432531] ? retint_kernel+0x2d/0x2d [ 359.436422] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.441521] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.446976] ? finish_task_switch+0x2f4/0x910 [ 359.451482] ? schedule+0x108/0x460 [ 359.455120] ? trace_hardirqs_off+0xb8/0x310 [ 359.459529] ? smpboot_thread_fn+0x68b/0xa00 [ 359.463939] ? trace_hardirqs_on+0x310/0x310 [ 359.468366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.473914] ? check_preemption_disabled+0x48/0x280 [ 359.478951] ? takeover_tasklets+0xa90/0xa90 [ 359.483361] run_ksoftirqd+0x5e/0x100 [ 359.487164] smpboot_thread_fn+0x68b/0xa00 [ 359.491404] ? sort_range+0x30/0x30 [ 359.495030] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.500131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.505666] ? __kthread_parkme+0xfb/0x1a0 [ 359.509930] ? sort_range+0x30/0x30 [ 359.513557] kthread+0x35a/0x440 [ 359.516930] ? kthread_stop+0x900/0x900 [ 359.520918] ret_from_fork+0x3a/0x50 [ 359.524645] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 359.524701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.531565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.531570] Call Trace: [ 359.531587] dump_stack+0x244/0x39d [ 359.531605] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.538172] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.547452] warn_alloc.cold.116+0xb7/0x1bd [ 359.550013] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 359.553630] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.582905] ? lock_downgrade+0x900/0x900 [ 359.587065] ? trace_hardirqs_off+0xb8/0x310 [ 359.591477] ? trace_hardirqs_off+0xb8/0x310 [ 359.595906] __alloc_pages_slowpath+0x2651/0x2de0 [ 359.600774] ? warn_alloc+0x120/0x120 [ 359.604576] ? warn_alloc+0x120/0x120 [ 359.608376] ? warn_alloc+0x120/0x120 [ 359.612178] ? print_usage_bug+0xc0/0xc0 [ 359.616259] ? print_usage_bug+0xc0/0xc0 [ 359.620324] ? lock_downgrade+0x900/0x900 [ 359.624472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.630009] ? should_fail+0x22d/0xd01 [ 359.633912] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.639017] ? __lock_acquire+0x62f/0x4c20 [ 359.643256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.648356] ? should_fail+0x22d/0xd01 [ 359.652259] ? mark_held_locks+0x130/0x130 [ 359.656516] ? mark_held_locks+0x130/0x130 [ 359.660782] ? debug_check_no_obj_freed+0x305/0x58d [ 359.665799] ? drain_local_pages_wq+0x40/0x40 [ 359.670290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.675829] ? check_preemption_disabled+0x48/0x280 [ 359.680862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.686420] ? check_preemption_disabled+0x48/0x280 [ 359.691471] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 359.697009] ? rcu_pm_notify+0xc0/0xc0 [ 359.700905] __alloc_pages_nodemask+0xad8/0xea0 [ 359.705589] ? zap_class+0x640/0x640 [ 359.709352] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 359.714424] ? find_held_lock+0x36/0x1c0 [ 359.718495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.723160] ? lock_downgrade+0x900/0x900 [ 359.727325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.732862] cache_grow_begin+0xa5/0x8c0 [ 359.736944] ? do_raw_spin_unlock+0xa7/0x330 [ 359.741358] fallback_alloc+0x204/0x2e0 [ 359.745352] ____cache_alloc_node+0x1c7/0x1e0 [ 359.749864] kmem_cache_alloc+0x1f8/0x730 [ 359.754020] ? __lock_is_held+0xb5/0x140 [ 359.758088] __build_skb+0xab/0x430 [ 359.761743] ? skb_try_coalesce+0x1b70/0x1b70 [ 359.766238] ? __alloc_pages_nodemask+0xea0/0xea0 [ 359.771078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.776628] ? check_preemption_disabled+0x48/0x280 [ 359.781652] __napi_alloc_skb+0x1d6/0x310 [ 359.785802] page_to_skb.isra.45+0xee/0x8d0 [ 359.790125] ? check_preemption_disabled+0x48/0x280 [ 359.795155] ? virtnet_remove+0xf0/0xf0 [ 359.799138] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.804064] ? kasan_check_read+0x11/0x20 [ 359.808229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.813501] ? rcu_softirq_qs+0x20/0x20 [ 359.817504] receive_mergeable+0x155d/0x3a90 [ 359.821965] ? check_preemption_disabled+0x48/0x280 [ 359.826990] ? virtnet_probe+0x2240/0x2240 [ 359.831262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.836836] ? rt6_score_route+0x118/0x400 [ 359.841071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.846604] ? find_match+0x492/0x10a0 [ 359.850507] ? br_nf_hook_thresh+0x41a/0x5f0 [ 359.854952] ? zap_class+0x640/0x640 [ 359.858663] ? zap_class+0x640/0x640 [ 359.862377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.867922] ? check_preemption_disabled+0x48/0x280 [ 359.872963] ? __lock_is_held+0xb5/0x140 [ 359.877038] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.882577] ? fib6_table_lookup+0xcd5/0x1490 [ 359.887090] ? print_usage_bug+0xc0/0xc0 [ 359.891157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.896721] ? print_usage_bug+0xc0/0xc0 [ 359.900821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.906362] ? __rt6_find_exception_rcu+0x379/0x510 [ 359.911375] ? check_preemption_disabled+0x48/0x280 [ 359.916399] ? __lock_acquire+0x62f/0x4c20 [ 359.920641] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 359.926528] ? ret_from_fork+0x3a/0x50 [ 359.930416] ? ip6_pol_route+0x4a5/0x1a00 [ 359.934579] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 359.940463] ? ret_from_fork+0x3a/0x50 [ 359.944352] ? rb_erase_cached+0xc78/0x3720 [ 359.948682] ? rb_next+0x140/0x140 [ 359.952224] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 359.957240] ? unwind_dump+0x190/0x190 [ 359.961128] ? unwind_dump+0x190/0x190 [ 359.965038] ? unwind_next_frame+0x3e/0x50 [ 359.969276] ? __save_stack_trace+0x7d/0xf0 [ 359.973617] receive_buf+0xb0f/0x3230 [ 359.977462] ? save_stack+0xa9/0xd0 [ 359.981098] ? kasan_init_slab_obj+0x1/0x30 [ 359.985428] ? receive_mergeable+0x3a90/0x3a90 [ 359.990027] ? __netif_receive_skb+0x2c/0x1e0 [ 359.994523] ? process_backlog+0x24e/0x7a0 [ 359.998756] ? net_rx_action+0x7fa/0x19b0 [ 360.002907] ? __do_softirq+0x308/0xb7e [ 360.006900] ? run_ksoftirqd+0x5e/0x100 [ 360.010872] ? smpboot_thread_fn+0x68b/0xa00 [ 360.015287] ? kthread+0x35a/0x440 [ 360.018828] ? print_usage_bug+0xc0/0xc0 [ 360.022902] ? trace_hardirqs_on+0x310/0x310 [ 360.027317] ? trace_hardirqs_on+0xbd/0x310 [ 360.031657] ? zap_class+0x640/0x640 [ 360.035372] ? trace_hardirqs_off+0xb8/0x310 [ 360.039789] ? zap_class+0x640/0x640 [ 360.043503] ? __update_load_avg_se+0x5eb/0xae0 [ 360.048171] ? __lock_acquire+0x62f/0x4c20 [ 360.052417] ? __update_load_avg_blocked_se+0x690/0x690 [ 360.057791] ? __update_load_avg_se+0xae0/0xae0 [ 360.062462] ? __lock_is_held+0xb5/0x140 [ 360.066534] ? update_load_avg+0x387/0x2470 [ 360.070875] ? attach_entity_load_avg+0x860/0x860 [ 360.075760] ? update_load_avg+0x387/0x2470 [ 360.080087] ? mark_held_locks+0x130/0x130 [ 360.084327] ? attach_entity_load_avg+0x860/0x860 [ 360.089171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.094708] ? check_preemption_disabled+0x48/0x280 [ 360.099725] ? zap_class+0x640/0x640 [ 360.103449] ? ip6_mc_input+0x522/0x11d0 [ 360.107511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.113048] ? vring_use_dma_api+0xa5/0xc0 [ 360.117279] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.122816] ? vring_unmap_one+0x5a/0x410 [ 360.126980] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.132514] ? detach_buf+0x34b/0x5d0 [ 360.136325] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.141859] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 360.146647] ? virtqueue_detach_unused_buf+0x220/0x220 [ 360.151930] ? print_usage_bug+0xc0/0xc0 [ 360.156001] virtnet_poll+0x421/0x105f [ 360.159904] ? receive_buf+0x3230/0x3230 [ 360.163991] ? net_rx_action+0x4b5/0x19b0 [ 360.168156] ? net_rx_action+0x4b5/0x19b0 [ 360.172317] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.176929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.182512] ? check_preemption_disabled+0x48/0x280 [ 360.187530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.193073] net_rx_action+0x7fa/0x19b0 [ 360.197057] ? napi_complete_done+0x7a0/0x7a0 [ 360.201555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.207105] ? check_preemption_disabled+0x48/0x280 [ 360.212137] ? zap_class+0x640/0x640 [ 360.215859] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.221404] ? find_held_lock+0x36/0x1c0 [ 360.225481] ? net_tx_action+0xa65/0x1000 [ 360.229629] ? lock_downgrade+0x900/0x900 [ 360.233777] ? xfrm_dev_backlog+0x41a/0x6c0 [ 360.238102] ? validate_xmit_xfrm+0xda0/0xda0 [ 360.242592] ? do_raw_spin_unlock+0xa7/0x330 [ 360.246997] ? do_raw_spin_trylock+0x270/0x270 [ 360.251577] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.256707] ? net_tx_action+0xa14/0x1000 [ 360.260859] ? clean_xps_maps+0x570/0x570 [ 360.265012] ? __switch_to_asm+0x40/0x70 [ 360.269083] ? __switch_to_asm+0x34/0x70 [ 360.273138] ? __switch_to_asm+0x40/0x70 [ 360.277192] ? __switch_to_asm+0x34/0x70 [ 360.281247] ? __switch_to_asm+0x40/0x70 [ 360.285303] ? __switch_to_asm+0x34/0x70 [ 360.289369] ? __switch_to_asm+0x40/0x70 [ 360.293458] ? pvclock_read_flags+0x160/0x160 [ 360.297952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.303492] ? check_preemption_disabled+0x48/0x280 [ 360.308515] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 360.314050] ? rcu_pm_notify+0xc0/0xc0 [ 360.317954] __do_softirq+0x308/0xb7e [ 360.321756] ? retint_kernel+0x2d/0x2d [ 360.325644] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.330744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.336212] ? schedule+0x108/0x460 [ 360.339867] ? trace_hardirqs_off+0xb8/0x310 [ 360.344282] ? smpboot_thread_fn+0x68b/0xa00 [ 360.348693] ? trace_hardirqs_on+0x310/0x310 [ 360.353099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.358636] ? check_preemption_disabled+0x48/0x280 [ 360.363652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.369186] ? takeover_tasklets+0xa90/0xa90 [ 360.373609] run_ksoftirqd+0x5e/0x100 [ 360.377427] smpboot_thread_fn+0x68b/0xa00 [ 360.381664] ? sort_range+0x30/0x30 [ 360.385309] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.390416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.395960] ? __kthread_parkme+0xfb/0x1a0 [ 360.400195] ? sort_range+0x30/0x30 [ 360.403866] kthread+0x35a/0x440 [ 360.407239] ? kthread_stop+0x900/0x900 [ 360.411230] ret_from_fork+0x3a/0x50 [ 360.414977] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 360.414982] warn_alloc_show_mem: 1 callbacks suppressed [ 360.414988] Mem-Info: [ 360.421833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.427202] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 360.427202] active_file:12 inactive_file:11 isolated_file:0 [ 360.427202] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.427202] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 360.427202] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 360.427202] free:13794 free_pcp:515 free_cma:0 [ 360.429577] Call Trace: [ 360.438961] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.439024] 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 [ 360.471924] dump_stack+0x244/0x39d [ 360.474480] lowmem_reserve[]: 0 2818 6321 6321 [ 360.501988] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.528072] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 360.531704] warn_alloc.cold.116+0xb7/0x1bd [ 360.536255] lowmem_reserve[]: 0 0 3503 3503 [ 360.541453] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.568753] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 360.573067] ? lock_downgrade+0x900/0x900 [ 360.577364] lowmem_reserve[]: 0 0 0 0 [ 360.582201] ? trace_hardirqs_off+0xb8/0x310 [ 360.611231] 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 [ 360.615369] ? trace_hardirqs_off+0xb8/0x310 [ 360.619152] Node 0 DMA32: 3*4kB (UM) 0*8kB 3*16kB (UM) 4*32kB (UM) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB [ 360.623584] __alloc_pages_slowpath+0x2651/0x2de0 [ 360.637081] Node 0 Normal: 798*4kB (MEH) 443*8kB (UMEH) 134*16kB (ME) 54*32kB (UME) 18*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14064kB [ 360.641507] ? warn_alloc+0x120/0x120 [ 360.656464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.661293] ? print_usage_bug+0xc0/0xc0 [ 360.676268] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.680065] ? warn_alloc+0x120/0x120 [ 360.688873] 267 total pagecache pages [ 360.692939] ? warn_alloc+0x120/0x120 [ 360.701496] 0 pages in swap cache [ 360.705282] ? print_usage_bug+0xc0/0xc0 [ 360.709058] Swap cache stats: add 0, delete 0, find 0/0 [ 360.712852] ? print_usage_bug+0xc0/0xc0 [ 360.716279] Free swap = 0kB [ 360.720331] ? __lock_acquire+0x62f/0x4c20 [ 360.725665] Total swap = 0kB [ 360.729713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.732705] 1965979 pages RAM [ 360.736954] ? should_fail+0x22d/0xd01 [ 360.739964] 0 pages HighMem/MovableOnly [ 360.745505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.748595] 342854 pages reserved [ 360.752485] ? __lock_acquire+0x62f/0x4c20 [ 360.756437] 0 pages cma reserved [ 360.761544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.765073] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.769195] ? __lock_acquire+0x62f/0x4c20 [ 360.772536] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 360.777626] ? should_fail+0x22d/0xd01 [ 360.800663] ? find_held_lock+0x36/0x1c0 [ 360.804732] ? mark_held_locks+0x130/0x130 [ 360.808973] ? mark_held_locks+0x130/0x130 [ 360.813204] ? zap_class+0x640/0x640 [ 360.816929] ? mark_held_locks+0xc7/0x130 [ 360.821090] ? do_raw_spin_unlock+0xa7/0x330 [ 360.825495] ? zap_class+0x640/0x640 [ 360.829210] ? print_usage_bug+0xc0/0xc0 [ 360.833288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.838849] ? check_preemption_disabled+0x48/0x280 [ 360.843923] ? __lock_is_held+0xb5/0x140 [ 360.847993] __alloc_pages_nodemask+0xad8/0xea0 [ 360.852659] ? zap_class+0x640/0x640 [ 360.856410] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 360.861437] ? find_held_lock+0x36/0x1c0 [ 360.865504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.870192] ? lock_downgrade+0x900/0x900 [ 360.874364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.879934] cache_grow_begin+0xa5/0x8c0 [ 360.884027] ? do_raw_spin_unlock+0xa7/0x330 [ 360.888473] fallback_alloc+0x204/0x2e0 [ 360.892456] ____cache_alloc_node+0x1c7/0x1e0 [ 360.896976] kmem_cache_alloc_node+0xe3/0x730 [ 360.901473] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.905729] __alloc_skb+0x119/0x770 [ 360.909436] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.914717] ? netdev_alloc_frag+0x1f0/0x1f0 [ 360.919127] ? lock_downgrade+0x900/0x900 [ 360.923286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.928838] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.934293] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.939744] ? addrconf_rs_timer+0x690/0x690 [ 360.944169] ndisc_alloc_skb+0x144/0x340 [ 360.948238] ndisc_send_rs+0x331/0x6e0 [ 360.952130] addrconf_rs_timer+0x314/0x690 [ 360.956369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.960615] call_timer_fn+0x272/0x920 [ 360.964501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.968735] ? process_timeout+0x40/0x40 [ 360.972800] ? __run_timers+0x7da/0xc70 [ 360.976772] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.981279] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.985768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.990024] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.994626] ? trace_hardirqs_on+0xbd/0x310 [ 360.998955] ? kasan_check_read+0x11/0x20 [ 361.003099] ? __run_timers+0x7da/0xc70 [ 361.007077] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.012183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.016423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.020830] __run_timers+0x7e5/0xc70 [ 361.024640] ? timer_fixup_init+0x70/0x70 [ 361.028804] ? find_held_lock+0x36/0x1c0 [ 361.032902] ? __schedule+0x168a/0x21d0 [ 361.036883] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.041400] ? pvclock_read_flags+0x160/0x160 [ 361.045907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.051467] ? check_preemption_disabled+0x48/0x280 [ 361.056487] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.062030] ? rcu_pm_notify+0xc0/0xc0 [ 361.065936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.071492] ? check_preemption_disabled+0x48/0x280 [ 361.076511] run_timer_softirq+0x52/0xb0 [ 361.080568] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.085588] __do_softirq+0x308/0xb7e [ 361.089496] ? retint_kernel+0x2d/0x2d [ 361.093393] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.098498] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.103969] ? finish_task_switch+0x2f4/0x910 [ 361.108467] ? schedule+0x108/0x460 [ 361.112108] ? trace_hardirqs_off+0xb8/0x310 [ 361.116515] ? smpboot_thread_fn+0x68b/0xa00 [ 361.120931] ? trace_hardirqs_on+0x310/0x310 [ 361.125338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.130871] ? check_preemption_disabled+0x48/0x280 [ 361.135937] ? takeover_tasklets+0xa90/0xa90 [ 361.140351] run_ksoftirqd+0x5e/0x100 [ 361.144149] smpboot_thread_fn+0x68b/0xa00 [ 361.148385] ? sort_range+0x30/0x30 [ 361.152027] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.157148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.162685] ? __kthread_parkme+0xfb/0x1a0 [ 361.166933] ? sort_range+0x30/0x30 [ 361.170559] kthread+0x35a/0x440 [ 361.173934] ? kthread_stop+0x900/0x900 [ 361.177920] ret_from_fork+0x3a/0x50 [ 361.181648] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #305 [ 361.181700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.188567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.188572] Call Trace: [ 361.188589] dump_stack+0x244/0x39d [ 361.188612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.195156] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.204455] warn_alloc.cold.116+0xb7/0x1bd [ 361.207008] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 361.210623] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.239858] ? lock_downgrade+0x900/0x900 [ 361.244032] ? trace_hardirqs_off+0xb8/0x310 [ 361.248454] ? trace_hardirqs_off+0xb8/0x310 [ 361.252871] __alloc_pages_slowpath+0x2651/0x2de0 [ 361.257746] ? warn_alloc+0x120/0x120 [ 361.261548] ? warn_alloc+0x120/0x120 [ 361.265350] ? warn_alloc+0x120/0x120 [ 361.269169] ? print_usage_bug+0xc0/0xc0 [ 361.273246] ? print_usage_bug+0xc0/0xc0 [ 361.277342] ? lock_downgrade+0x900/0x900 [ 361.281489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.287022] ? should_fail+0x22d/0xd01 [ 361.290920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.296030] ? __lock_acquire+0x62f/0x4c20 [ 361.300268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.305370] ? should_fail+0x22d/0xd01 [ 361.309266] ? mark_held_locks+0x130/0x130 [ 361.313503] ? mark_held_locks+0x130/0x130 [ 361.317757] ? debug_check_no_obj_freed+0x305/0x58d [ 361.322780] ? drain_local_pages_wq+0x40/0x40 [ 361.327285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.332820] ? check_preemption_disabled+0x48/0x280 [ 361.337855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.343399] ? check_preemption_disabled+0x48/0x280 [ 361.348434] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.353977] ? rcu_pm_notify+0xc0/0xc0 [ 361.357867] __alloc_pages_nodemask+0xad8/0xea0 [ 361.362542] ? zap_class+0x640/0x640 [ 361.366275] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 361.371317] ? find_held_lock+0x36/0x1c0 [ 361.375385] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.380055] ? lock_downgrade+0x900/0x900 [ 361.384211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.389750] cache_grow_begin+0xa5/0x8c0 [ 361.393822] ? do_raw_spin_unlock+0xa7/0x330 [ 361.398236] fallback_alloc+0x204/0x2e0 [ 361.402215] ____cache_alloc_node+0x1c7/0x1e0 [ 361.406716] kmem_cache_alloc+0x1f8/0x730 [ 361.410865] ? __lock_is_held+0xb5/0x140 [ 361.414972] __build_skb+0xab/0x430 [ 361.418597] ? skb_try_coalesce+0x1b70/0x1b70 [ 361.423114] ? __alloc_pages_nodemask+0xea0/0xea0 [ 361.427987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.433537] ? check_preemption_disabled+0x48/0x280 [ 361.438559] __napi_alloc_skb+0x1d6/0x310 [ 361.442709] page_to_skb.isra.45+0xee/0x8d0 [ 361.447036] ? check_preemption_disabled+0x48/0x280 [ 361.452056] ? virtnet_remove+0xf0/0xf0 [ 361.456031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 361.460959] ? kasan_check_read+0x11/0x20 [ 361.465122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.470397] ? rcu_softirq_qs+0x20/0x20 [ 361.474390] receive_mergeable+0x155d/0x3a90 [ 361.478803] ? check_preemption_disabled+0x48/0x280 [ 361.483836] ? virtnet_probe+0x2240/0x2240 [ 361.488075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.493612] ? rt6_score_route+0x118/0x400 [ 361.497862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.503403] ? find_match+0x492/0x10a0 [ 361.507325] ? br_nf_hook_thresh+0x41a/0x5f0 [ 361.511735] ? zap_class+0x640/0x640 [ 361.515489] ? zap_class+0x640/0x640 [ 361.519221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.524757] ? check_preemption_disabled+0x48/0x280 [ 361.529778] ? __lock_is_held+0xb5/0x140 [ 361.533850] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.539383] ? fib6_table_lookup+0xcd5/0x1490 [ 361.543924] ? print_usage_bug+0xc0/0xc0 [ 361.548006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.553555] ? print_usage_bug+0xc0/0xc0 [ 361.557626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.563180] ? __rt6_find_exception_rcu+0x379/0x510 [ 361.568194] ? check_preemption_disabled+0x48/0x280 [ 361.573238] ? __lock_acquire+0x62f/0x4c20 [ 361.577480] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 361.583366] ? ret_from_fork+0x3a/0x50 [ 361.587263] ? ip6_pol_route+0x4a5/0x1a00 [ 361.591434] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 361.597320] ? ret_from_fork+0x3a/0x50 [ 361.601216] ? rb_erase_cached+0xc78/0x3720 [ 361.605543] ? rb_next+0x140/0x140 [ 361.609086] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 361.614099] ? unwind_dump+0x190/0x190 [ 361.618014] ? unwind_dump+0x190/0x190 [ 361.621936] ? unwind_next_frame+0x3e/0x50 [ 361.626174] ? __save_stack_trace+0x7d/0xf0 [ 361.630496] receive_buf+0xb0f/0x3230 [ 361.634314] ? save_stack+0xa9/0xd0 [ 361.637943] ? kasan_init_slab_obj+0x1/0x30 [ 361.642297] ? receive_mergeable+0x3a90/0x3a90 [ 361.646875] ? __netif_receive_skb+0x2c/0x1e0 [ 361.651377] ? process_backlog+0x24e/0x7a0 [ 361.655606] ? net_rx_action+0x7fa/0x19b0 [ 361.659751] ? __do_softirq+0x308/0xb7e [ 361.663739] ? run_ksoftirqd+0x5e/0x100 [ 361.667709] ? smpboot_thread_fn+0x68b/0xa00 [ 361.672114] ? kthread+0x35a/0x440 [ 361.675652] ? print_usage_bug+0xc0/0xc0 [ 361.679711] ? trace_hardirqs_on+0x310/0x310 [ 361.684122] ? trace_hardirqs_on+0xbd/0x310 [ 361.688449] ? zap_class+0x640/0x640 [ 361.692164] ? trace_hardirqs_off+0xb8/0x310 [ 361.696595] ? zap_class+0x640/0x640 [ 361.700311] ? __update_load_avg_se+0x5eb/0xae0 [ 361.704979] ? __lock_acquire+0x62f/0x4c20 [ 361.709222] ? __update_load_avg_blocked_se+0x690/0x690 [ 361.714591] ? __update_load_avg_se+0xae0/0xae0 [ 361.719256] ? __lock_is_held+0xb5/0x140 [ 361.723329] ? update_load_avg+0x387/0x2470 [ 361.727671] ? attach_entity_load_avg+0x860/0x860 [ 361.732537] ? update_load_avg+0x387/0x2470 [ 361.736875] ? mark_held_locks+0x130/0x130 [ 361.741118] ? attach_entity_load_avg+0x860/0x860 [ 361.745961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.751498] ? check_preemption_disabled+0x48/0x280 [ 361.756514] ? zap_class+0x640/0x640 [ 361.760241] ? ip6_mc_input+0x522/0x11d0 [ 361.764306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.769844] ? vring_use_dma_api+0xa5/0xc0 [ 361.774078] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.779614] ? vring_unmap_one+0x5a/0x410 [ 361.783763] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.789297] ? detach_buf+0x34b/0x5d0 [ 361.793121] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 361.798670] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 361.803463] ? virtqueue_detach_unused_buf+0x220/0x220 [ 361.808739] ? print_usage_bug+0xc0/0xc0 [ 361.812847] virtnet_poll+0x421/0x105f [ 361.816742] ? receive_buf+0x3230/0x3230 [ 361.820826] ? net_rx_action+0x4b5/0x19b0 [ 361.824978] ? net_rx_action+0x4b5/0x19b0 [ 361.829143] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.833733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.839267] ? check_preemption_disabled+0x48/0x280 [ 361.844281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.849837] net_rx_action+0x7fa/0x19b0 [ 361.853856] ? napi_complete_done+0x7a0/0x7a0 [ 361.858361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.863911] ? check_preemption_disabled+0x48/0x280 [ 361.868968] ? zap_class+0x640/0x640 [ 361.872691] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.878238] ? find_held_lock+0x36/0x1c0 [ 361.882308] ? net_tx_action+0xa65/0x1000 [ 361.886458] ? lock_downgrade+0x900/0x900 [ 361.890606] ? xfrm_dev_backlog+0x41a/0x6c0 [ 361.894946] ? validate_xmit_xfrm+0xda0/0xda0 [ 361.899459] ? do_raw_spin_unlock+0xa7/0x330 [ 361.903867] ? do_raw_spin_trylock+0x270/0x270 [ 361.908457] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.913577] ? net_tx_action+0xa14/0x1000 [ 361.917735] ? clean_xps_maps+0x570/0x570 [ 361.921878] ? __switch_to_asm+0x40/0x70 [ 361.925947] ? __switch_to_asm+0x34/0x70 [ 361.930010] ? __switch_to_asm+0x40/0x70 [ 361.934083] ? __switch_to_asm+0x34/0x70 [ 361.938172] ? __switch_to_asm+0x40/0x70 [ 361.942244] ? __switch_to_asm+0x34/0x70 [ 361.946300] ? __switch_to_asm+0x40/0x70 [ 361.950370] ? pvclock_read_flags+0x160/0x160 [ 361.954879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.960555] ? check_preemption_disabled+0x48/0x280 [ 361.965598] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.971166] ? rcu_pm_notify+0xc0/0xc0 [ 361.975065] __do_softirq+0x308/0xb7e [ 361.978866] ? retint_kernel+0x2d/0x2d [ 361.982770] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.987872] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.993368] ? schedule+0x108/0x460 [ 361.997023] ? trace_hardirqs_off+0xb8/0x310 [ 362.001436] ? smpboot_thread_fn+0x68b/0xa00 [ 362.005846] ? trace_hardirqs_on+0x310/0x310 [ 362.010258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.015793] ? check_preemption_disabled+0x48/0x280 [ 362.020806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.026346] ? takeover_tasklets+0xa90/0xa90 [ 362.030772] run_ksoftirqd+0x5e/0x100 [ 362.034598] smpboot_thread_fn+0x68b/0xa00 [ 362.038931] ? sort_range+0x30/0x30 [ 362.042579] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.047683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.053220] ? __kthread_parkme+0xfb/0x1a0 [ 362.057461] ? sort_range+0x30/0x30 [ 362.061090] kthread+0x35a/0x440 [ 362.064460] ? kthread_stop+0x900/0x900 [ 362.068442] ret_from_fork+0x3a/0x50 [ 362.072168] warn_alloc_show_mem: 1 callbacks suppressed [ 362.072180] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc3+ #305 [ 362.072182] Mem-Info: [ 362.072212] active_anon:55773 inactive_anon:192 isolated_anon:0 [ 362.072212] active_file:12 inactive_file:11 isolated_file:0 [ 362.072212] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.072212] slab_reclaimable:9227 slab_unreclaimable:1447908 [ 362.072212] mapped:49154 shmem:244 pagetables:643 bounce:0 [ 362.072212] free:13794 free_pcp:515 free_cma:0 [ 362.077552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.084394] Node 0 active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.086789] Call Trace: [ 362.119650] 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 [ 362.129000] dump_stack+0x244/0x39d [ 362.156472] lowmem_reserve[]: 0 2818 6321 6321 [ 362.159049] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.185131] Node 0 DMA32 free:25276kB 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:0kB free_cma:0kB [ 362.188759] warn_alloc.cold.116+0xb7/0x1bd [ 362.193323] lowmem_reserve[]: 0 0 3503 3503 [ 362.198508] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.225816] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:223092kB inactive_anon:768kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2572kB bounce:0kB free_pcp:1812kB local_pcp:1408kB free_cma:0kB [ 362.230130] ? lock_downgrade+0x900/0x900 [ 362.234440] lowmem_reserve[]: 0 0 0 0 [ 362.239278] ? trace_hardirqs_off+0xb8/0x310 [ 362.268310] 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