[ 636.025410] ? graph_lock+0x170/0x170 [ 636.029217] ? graph_lock+0x170/0x170 [ 636.033022] ? print_usage_bug+0xc0/0xc0 [ 636.037095] ? do_raw_spin_unlock+0xa7/0x330 [ 636.041516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.047078] ? check_preemption_disabled+0x48/0x280 [ 636.052103] ? check_preemption_disabled+0x48/0x280 [ 636.057145] ? __lock_is_held+0xb5/0x140 [ 636.061228] __alloc_pages_nodemask+0xa80/0xde0 [ 636.065908] ? graph_lock+0x170/0x170 [ 636.069729] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 636.074754] ? graph_lock+0x170/0x170 [ 636.078582] ? find_held_lock+0x36/0x1c0 [ 636.082669] ? ____cache_alloc_node+0x1c7/0x1e0 [ 636.087344] ? lock_downgrade+0x900/0x900 [ 636.091510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.097082] cache_grow_begin+0x91/0x8c0 [ 636.101157] ? do_raw_spin_unlock+0xa7/0x330 [ 636.105589] fallback_alloc+0x203/0x2e0 [ 636.109588] ____cache_alloc_node+0x1c7/0x1e0 [ 636.114108] kmem_cache_alloc_node+0xe3/0x730 [ 636.118929] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.124077] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 636.128688] __alloc_skb+0x119/0x770 [ 636.132415] ? calc_wheel_index+0x220/0x220 [ 636.136750] ? skb_scrub_packet+0x490/0x490 [ 636.141097] ? vprintk_default+0x28/0x30 [ 636.145170] ? vprintk_func+0x85/0x181 [ 636.149076] ? printk+0xa7/0xcf [ 636.152414] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 636.157191] new_skb+0x26/0x1c0 [ 636.160488] aoecmd_cfg+0x279/0x7f0 [ 636.164136] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 636.168475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.174038] ? check_preemption_disabled+0x48/0x280 [ 636.179087] ? check_preemption_disabled+0x48/0x280 [ 636.184127] ? __lock_is_held+0xb5/0x140 [ 636.188219] discover_timer+0x50/0x60 [ 636.192032] call_timer_fn+0x272/0x920 [ 636.195937] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.200794] ? process_timeout+0x40/0x40 [ 636.204867] ? find_held_lock+0x36/0x1c0 [ 636.208959] ? __run_timers+0x7da/0xc70 [ 636.212948] ? _raw_spin_unlock_irq+0x27/0x80 [ 636.217458] ? _raw_spin_unlock_irq+0x27/0x80 [ 636.221963] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.226815] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 636.231410] ? trace_hardirqs_on+0xbd/0x310 [ 636.235742] ? kasan_check_read+0x11/0x20 [ 636.239900] ? __run_timers+0x7da/0xc70 [ 636.243886] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.249366] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.254216] __run_timers+0x7e5/0xc70 [ 636.258055] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 636.263440] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 636.268485] ? graph_lock+0x170/0x170 [ 636.272302] ? enqueue_hrtimer+0x1a5/0x560 [ 636.276543] ? lock_release+0x970/0x970 [ 636.280565] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 636.285782] ? find_held_lock+0x36/0x1c0 [ 636.289854] ? graph_lock+0x170/0x170 [ 636.293689] ? pvclock_read_flags+0x160/0x160 [ 636.298194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.303744] ? check_preemption_disabled+0x48/0x280 [ 636.308786] ? __lock_is_held+0xb5/0x140 [ 636.312857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.318428] ? check_preemption_disabled+0x48/0x280 [ 636.323466] run_timer_softirq+0x52/0xb0 [ 636.327540] ? rcu_read_lock_sched_held+0x108/0x120 [ 636.332596] __do_softirq+0x30c/0xb03 [ 636.336422] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 636.341543] ? pvclock_read_flags+0x160/0x160 [ 636.346068] ? lapic_next_event+0x5a/0x90 [ 636.350230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.355777] ? check_preemption_disabled+0x48/0x280 [ 636.360803] ? check_preemption_disabled+0x48/0x280 [ 636.365839] ? kvm_clock_read+0x18/0x30 [ 636.369819] ? kvm_sched_clock_read+0x9/0x20 [ 636.374239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.379791] ? check_preemption_disabled+0x48/0x280 [ 636.384831] irq_exit+0x17f/0x1c0 [ 636.388299] smp_apic_timer_interrupt+0x1cb/0x760 [ 636.393152] ? smp_reschedule_interrupt+0x109/0x650 [ 636.398182] ? smp_call_function_single_interrupt+0x650/0x650 [ 636.404082] ? interrupt_entry+0xb5/0xf0 [ 636.408154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 636.413187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 636.418214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 636.423074] ? trace_hardirqs_on_caller+0x310/0x310 [ 636.428097] ? trace_hardirqs_on_caller+0x310/0x310 [ 636.433122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.438671] ? check_preemption_disabled+0x48/0x280 [ 636.443709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.449266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 636.454128] apic_timer_interrupt+0xf/0x20 [ 636.458367] [ 636.460615] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 636.465563] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 636.484482] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 636.492206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 636.499486] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 636.506761] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 636.514037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 636.521318] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 636.528658] skb_clone+0x1bb/0x500 [ 636.532213] ? skb_split+0x11e0/0x11e0 [ 636.536116] ? preempt_notifier_register+0x200/0x200 [ 636.541232] ? __switch_to_asm+0x34/0x70 [ 636.545309] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 636.550081] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 636.554859] bpf_clone_redirect+0xb9/0x490 [ 636.559113] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 636.564154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 636.568931] ? find_held_lock+0x36/0x1c0 [ 636.573009] ? lock_acquire+0x1ed/0x520 [ 636.576992] ? bpf_test_run+0x3cb/0x780 [ 636.580981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.586535] ? check_preemption_disabled+0x48/0x280 [ 636.591590] ? kasan_check_read+0x11/0x20 [ 636.595756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 636.601040] ? rcu_bh_qs+0xc0/0xc0 [ 636.604600] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 636.609816] ? bpf_test_run+0x25d/0x780 [ 636.613821] ? netlink_diag_dump+0x2a0/0x2a0 [ 636.618247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 636.623798] ? bpf_test_init.isra.10+0x70/0x100 [ 636.628502] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 636.633278] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 636.638127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 636.643672] ? fput+0x130/0x1a0 [ 636.646964] ? __bpf_prog_get+0x9b/0x290 [ 636.651036] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 636.655889] ? bpf_prog_test_run+0x130/0x1a0 [ 636.660317] ? __x64_sys_bpf+0x3d8/0x520 [ 636.664398] ? bpf_prog_get+0x20/0x20 [ 636.668263] ? do_syscall_64+0x1b9/0x820 [ 636.672362] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 636.677734] ? syscall_return_slowpath+0x5e0/0x5e0 [ 636.682682] ? trace_hardirqs_on_caller+0x310/0x310 [ 636.687713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 636.692739] ? recalc_sigpending_tsk+0x180/0x180 [ 636.697524] ? kasan_check_write+0x14/0x20 [ 636.701785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 636.706656] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 636.712049] warn_alloc_show_mem: 1 callbacks suppressed [ 636.712062] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 636.712067] Mem-Info: [ 636.712100] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 636.712100] active_file:13 inactive_file:34 isolated_file:0 [ 636.712100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 636.712100] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 636.712100] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 636.712100] free:13625 free_pcp:139 free_cma:0 [ 636.717452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 636.724479] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 636.726884] Call Trace: [ 636.759773] Node 0 [ 636.769135] [ 636.796740] 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 [ 636.799314] dump_stack+0x1c4/0x2b6 [ 636.801519] lowmem_reserve[]: [ 636.803683] ? dump_stack_print_info.cold.1+0x20/0x20 [ 636.829169] 0 2819 [ 636.832834] warn_alloc.cold.119+0xb7/0x1bd [ 636.835901] 6323 [ 636.841093] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 636.843313] 6323 [ 636.847639] ? lock_downgrade+0x900/0x900 [ 636.854532] ? trace_hardirqs_off+0xb8/0x310 [ 636.856579] Node 0 [ 636.860731] ? trace_hardirqs_off+0xb8/0x310 [ 636.865146] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 636.867364] __alloc_pages_slowpath+0x265e/0x2d70 [ 636.871740] lowmem_reserve[]: 0 [ 636.898942] ? warn_alloc+0x120/0x120 [ 636.903729] 0 3503 [ 636.907025] ? warn_alloc+0x120/0x120 [ 636.910805] 3503 [ 636.913045] ? print_usage_bug+0xc0/0xc0 [ 636.918894] ? warn_alloc+0x120/0x120 [ 636.922935] Node 0 [ 636.926732] ? print_usage_bug+0xc0/0xc0 [ 636.926765] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 636.926773] lowmem_reserve[]: [ 636.929010] ? graph_lock+0x170/0x170 [ 636.933056] 0 [ 636.961430] ? kvm_sched_clock_read+0x9/0x20 [ 636.964518] 0 [ 636.968320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 636.970101] 0 [ 636.974511] ? should_fail+0x22d/0xd01 [ 636.976297] 0 [ 636.981839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 636.983625] Node 0 [ 636.987516] ? __lock_acquire+0x7ec/0x4ec0 [ 636.989303] DMA: [ 636.994419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 636.996647] 1*4kB [ 637.000879] ? __lock_acquire+0x7ec/0x4ec0 [ 637.000898] ? should_fail+0x22d/0xd01 [ 637.002950] (U) [ 637.008069] ? mark_held_locks+0x130/0x130 [ 637.010192] 0*8kB 0*16kB [ 637.014440] ? mark_held_locks+0x130/0x130 [ 637.018330] 1*32kB [ 637.020314] ? graph_lock+0x170/0x170 [ 637.024521] (U) [ 637.027291] ? print_usage_bug+0xc0/0xc0 [ 637.031503] 2*64kB (U) [ 637.033757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.037540] 1*128kB [ 637.039536] ? check_preemption_disabled+0x48/0x280 [ 637.043587] (U) [ 637.046182] ? check_preemption_disabled+0x48/0x280 [ 637.051703] 1*256kB [ 637.054044] ? __lock_is_held+0xb5/0x140 [ 637.059027] (U) [ 637.061011] __alloc_pages_nodemask+0xa80/0xde0 [ 637.065999] 0*512kB 1*1024kB [ 637.068337] ? graph_lock+0x170/0x170 [ 637.072376] (U) [ 637.074361] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 637.079014] 1*2048kB [ 637.082124] ? graph_lock+0x170/0x170 [ 637.085901] (M) [ 637.087890] ? find_held_lock+0x36/0x1c0 [ 637.092877] 3*4096kB [ 637.095303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 637.099078] (M) [ 637.101058] ? lock_downgrade+0x900/0x900 [ 637.105124] = 15908kB [ 637.105134] Node 0 [ 637.107579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.112215] DMA32: [ 637.114200] cache_grow_begin+0x91/0x8c0 [ 637.118315] 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24868kB [ 637.118379] Node 0 Normal: 871*4kB (MEH) 470*8kB (MEH) 180*16kB (UMEH) 61*32kB (UME) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13292kB [ 637.118439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 637.118446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 637.118449] 238 total pagecache pages [ 637.118459] 0 pages in swap cache [ 637.118464] Swap cache stats: add 0, delete 0, find 0/0 [ 637.118467] Free swap = 0kB [ 637.118470] Total swap = 0kB [ 637.118474] 1965979 pages RAM [ 637.118477] 0 pages HighMem/MovableOnly [ 637.118480] 342306 pages reserved [ 637.118483] 0 pages cma reserved [ 637.118559] aoe: skb alloc failure [ 637.118605] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 637.121004] ? do_raw_spin_unlock+0xa7/0x330 [ 637.123222] syz-executor4 cpuset= [ 637.128773] fallback_alloc+0x203/0x2e0 [ 637.130987] syz4 [ 637.135059] ____cache_alloc_node+0x1c7/0x1e0 [ 637.149015] mems_allowed=0 [ 637.163441] kmem_cache_alloc_node+0xe3/0x730 [ 637.253152] ? ipv6_get_ifaddr+0x42e/0x620 [ 637.257419] __alloc_skb+0x119/0x770 [ 637.261147] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 637.266441] ? skb_scrub_packet+0x490/0x490 [ 637.270776] ? lock_downgrade+0x900/0x900 [ 637.274946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.280494] ? refcount_sub_and_test_checked+0x203/0x310 [ 637.285963] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 637.291426] ? addrconf_rs_timer+0x690/0x690 [ 637.295857] ndisc_alloc_skb+0x144/0x340 [ 637.299935] ndisc_send_rs+0x331/0x6e0 [ 637.303843] addrconf_rs_timer+0x314/0x690 [ 637.308092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.312359] call_timer_fn+0x272/0x920 [ 637.316259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.320510] ? process_timeout+0x40/0x40 [ 637.324586] ? find_held_lock+0x36/0x1c0 [ 637.328669] ? mark_held_locks+0xc7/0x130 [ 637.332839] ? _raw_spin_unlock_irq+0x27/0x80 [ 637.337347] ? _raw_spin_unlock_irq+0x27/0x80 [ 637.341851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.346101] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 637.350702] ? trace_hardirqs_on+0xbd/0x310 [ 637.355037] ? kasan_check_read+0x11/0x20 [ 637.359207] ? __run_timers+0x7da/0xc70 [ 637.363200] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.368674] ? work_on_cpu_safe+0x90/0x90 [ 637.372874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.377124] __run_timers+0x7e5/0xc70 [ 637.380952] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 637.386331] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 637.391359] ? graph_lock+0x170/0x170 [ 637.395175] ? print_usage_bug+0xc0/0xc0 [ 637.399242] ? enqueue_hrtimer+0x1a5/0x560 [ 637.403484] ? lock_release+0x970/0x970 [ 637.407477] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 637.412687] ? find_held_lock+0x36/0x1c0 [ 637.416759] ? graph_lock+0x170/0x170 [ 637.420589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.426140] ? check_preemption_disabled+0x48/0x280 [ 637.431178] ? __lock_is_held+0xb5/0x140 [ 637.435252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.440802] ? check_preemption_disabled+0x48/0x280 [ 637.445844] run_timer_softirq+0x52/0xb0 [ 637.449915] ? rcu_read_lock_sched_held+0x108/0x120 [ 637.454940] __do_softirq+0x30c/0xb03 [ 637.458767] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 637.463886] ? pvclock_read_flags+0x160/0x160 [ 637.468389] ? lapic_next_event+0x5a/0x90 [ 637.472559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.478116] ? check_preemption_disabled+0x48/0x280 [ 637.483144] ? check_preemption_disabled+0x48/0x280 [ 637.488180] ? kvm_clock_read+0x18/0x30 [ 637.492164] ? kvm_sched_clock_read+0x9/0x20 [ 637.496598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.502146] ? check_preemption_disabled+0x48/0x280 [ 637.507184] irq_exit+0x17f/0x1c0 [ 637.510651] smp_apic_timer_interrupt+0x1cb/0x760 [ 637.515502] ? smp_reschedule_interrupt+0x109/0x650 [ 637.520527] ? smp_call_function_single_interrupt+0x650/0x650 [ 637.526440] ? interrupt_entry+0xb5/0xf0 [ 637.530517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 637.536017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 637.541048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.545903] ? trace_hardirqs_on_caller+0x310/0x310 [ 637.550924] ? trace_hardirqs_on_caller+0x310/0x310 [ 637.555953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.561502] ? check_preemption_disabled+0x48/0x280 [ 637.566530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.572103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.576969] apic_timer_interrupt+0xf/0x20 [ 637.581206] [ 637.583452] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 637.588653] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 637.608348] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 637.616101] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 637.623384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 637.630667] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 637.637968] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 637.645252] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 637.652606] retint_kernel+0x1b/0x2d [ 637.656347] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 637.661635] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 637.680586] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 637.688321] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 637.695609] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 637.702890] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 637.710170] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 637.717451] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 637.724779] ? arch_local_irq_restore+0x45/0x52 [ 637.729469] dump_stack+0x26a/0x2b6 [ 637.733106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 637.738313] ? mark_held_locks+0x130/0x130 [ 637.742787] ? mark_held_locks+0x130/0x130 [ 637.747037] dump_header+0x27b/0xf72 [ 637.750774] ? pagefault_out_of_memory+0x197/0x197 [ 637.755720] ? __lock_acquire+0x7ec/0x4ec0 [ 637.759965] ? print_usage_bug+0xc0/0xc0 [ 637.764039] ? graph_lock+0x170/0x170 [ 637.767842] ? graph_lock+0x170/0x170 [ 637.771666] ? print_usage_bug+0xc0/0xc0 [ 637.775734] ? print_usage_bug+0xc0/0xc0 [ 637.779804] ? print_usage_bug+0xc0/0xc0 [ 637.783883] ? find_held_lock+0x36/0x1c0 [ 637.787960] ? mark_held_locks+0xc7/0x130 [ 637.792132] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 637.797246] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 637.802365] ? lockdep_hardirqs_on+0x421/0x5c0 [ 637.806965] ? trace_hardirqs_on+0xbd/0x310 [ 637.811300] ? kasan_check_read+0x11/0x20 [ 637.815457] ? ___ratelimit+0x36f/0x655 [ 637.819452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.824922] ? trace_hardirqs_on+0x310/0x310 [ 637.829348] ? lock_downgrade+0x900/0x900 [ 637.833519] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 637.838651] ? ___ratelimit+0xaa/0x655 [ 637.842569] ? idr_get_free+0xec0/0xec0 [ 637.846574] ? kasan_check_write+0x14/0x20 [ 637.850821] ? do_raw_spin_lock+0xc1/0x230 [ 637.855076] oom_kill_process.cold.27+0x10/0x903 [ 637.859852] ? graph_lock+0x170/0x170 [ 637.863668] ? _raw_spin_unlock+0x2c/0x50 [ 637.867822] ? oom_badness+0xe6/0xaa0 [ 637.871639] ? oom_evaluate_task+0x540/0x540 [ 637.876061] ? find_held_lock+0x36/0x1c0 [ 637.880138] ? out_of_memory+0x974/0x1430 [ 637.884295] ? lock_downgrade+0x900/0x900 [ 637.888455] ? check_preemption_disabled+0x48/0x280 [ 637.893510] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 637.899333] ? kasan_check_read+0x11/0x20 [ 637.903498] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 637.908794] ? rcu_bh_qs+0xc0/0xc0 [ 637.912355] ? kasan_check_write+0x14/0x20 [ 637.916601] ? oom_evaluate_task+0x302/0x540 [ 637.921028] out_of_memory+0xa84/0x1430 [ 637.925027] ? oom_killer_disable+0x3a0/0x3a0 [ 637.929539] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 637.934519] ? __mutex_add_waiter+0x2a0/0x2a0 [ 637.939062] __alloc_pages_slowpath+0x230f/0x2d70 [ 637.943964] ? warn_alloc+0x120/0x120 [ 637.947782] ? __radix_tree_lookup+0x4c0/0x4c0 [ 637.952405] ? find_get_entry+0x2f2/0xc40 [ 637.956599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.962166] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 637.967121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.972678] ? should_fail+0x22d/0xd01 [ 637.976598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 637.981716] ? __lock_is_held+0xb5/0x140 [ 637.985827] ? __lock_is_held+0xb5/0x140 [ 637.989917] ? find_held_lock+0x36/0x1c0 [ 637.993999] ? ___might_sleep+0x1ed/0x300 [ 637.998165] ? lock_release+0x970/0x970 [ 638.003071] ? arch_local_save_flags+0x40/0x40 [ 638.007692] ? __might_sleep+0x95/0x190 [ 638.011693] __alloc_pages_nodemask+0xa80/0xde0 [ 638.016393] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 638.021446] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.027261] ? kasan_check_read+0x11/0x20 [ 638.031433] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 638.036734] ? graph_lock+0x170/0x170 [ 638.040571] ? print_usage_bug+0xc0/0xc0 [ 638.044654] ? graph_lock+0x170/0x170 [ 638.048465] ? graph_lock+0x170/0x170 [ 638.052282] ? __do_page_cache_readahead+0x7ce/0x980 [ 638.057421] ? find_held_lock+0x36/0x1c0 [ 638.061510] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 638.067069] alloc_pages_current+0x10c/0x210 [ 638.071498] ? lock_downgrade+0x900/0x900 [ 638.075670] __page_cache_alloc+0x38f/0x5b0 [ 638.080004] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.085826] ? kasan_check_read+0x11/0x20 [ 638.090005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 638.095294] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 638.099977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.105529] ? check_preemption_disabled+0x48/0x280 [ 638.110625] filemap_fault+0x1594/0x25f0 [ 638.114743] ? __lock_page_or_retry+0xa00/0xa00 [ 638.119956] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.125790] ? kasan_check_read+0x11/0x20 [ 638.129976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 638.135273] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 638.140406] ? rcu_bh_qs+0xc0/0xc0 [ 638.143964] ? trace_hardirqs_on+0xbd/0x310 [ 638.148300] ? kasan_check_read+0x11/0x20 [ 638.152469] ? __free_object+0x173/0x340 [ 638.156572] ? filemap_map_pages+0xdea/0x1980 [ 638.161099] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 638.166236] ? __free_object+0x173/0x340 [ 638.170325] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 638.175628] ? debug_object_free+0x325/0x690 [ 638.180063] ? find_get_pages_range_tag+0x1320/0x1320 [ 638.185288] ? graph_lock+0x170/0x170 [ 638.189120] ? kasan_check_read+0x11/0x20 [ 638.193297] ? debug_object_destroy+0x2b0/0x2b0 [ 638.198002] ? lock_acquire+0x1ed/0x520 [ 638.201997] ? ext4_filemap_fault+0x7a/0xad [ 638.206347] ? lock_release+0x970/0x970 [ 638.210354] ? arch_local_save_flags+0x40/0x40 [ 638.214961] ? futex_wait_setup+0x3e0/0x3e0 [ 638.219325] ? down_read+0xb0/0x1d0 [ 638.222966] ? ext4_filemap_fault+0x7a/0xad [ 638.227311] ? __down_interruptible+0x700/0x700 [ 638.232029] ext4_filemap_fault+0x82/0xad [ 638.236195] __do_fault+0x100/0x6b0 [ 638.239845] ? print_bad_pte+0x6c0/0x6c0 [ 638.243918] ? do_futex+0x249/0x26d0 [ 638.247643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.253204] ? check_preemption_disabled+0x48/0x280 [ 638.258235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 638.263011] ? pmd_val+0x88/0x100 [ 638.266495] ? add_mm_counter_fast+0xd0/0xd0 [ 638.270919] ? pmd_val+0x88/0x100 [ 638.274387] ? add_mm_counter_fast+0xd0/0xd0 [ 638.278819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.284383] __handle_mm_fault+0x3709/0x53e0 [ 638.288811] ? debug_smp_processor_id+0x1c/0x20 [ 638.293505] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 638.298368] ? graph_lock+0x170/0x170 [ 638.302187] ? print_usage_bug+0xc0/0xc0 [ 638.306258] ? should_fail+0xaf/0xd01 [ 638.310077] ? graph_lock+0x170/0x170 [ 638.313890] ? graph_lock+0x170/0x170 [ 638.317725] ? handle_mm_fault+0x42a/0xc70 [ 638.321972] ? lock_downgrade+0x900/0x900 [ 638.326136] ? check_preemption_disabled+0x48/0x280 [ 638.331181] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.337708] ? kasan_check_read+0x11/0x20 [ 638.341887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 638.347192] ? rcu_bh_qs+0xc0/0xc0 [ 638.350748] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 638.356224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.361786] ? check_preemption_disabled+0x48/0x280 [ 638.366834] handle_mm_fault+0x54f/0xc70 [ 638.370918] ? __handle_mm_fault+0x53e0/0x53e0 [ 638.375518] ? find_vma+0x34/0x190 [ 638.379091] __do_page_fault+0x67d/0xed0 [ 638.383180] ? mm_fault_error+0x380/0x380 [ 638.387348] ? trace_hardirqs_off+0xb8/0x310 [ 638.391770] ? trace_hardirqs_on+0x310/0x310 [ 638.396196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 638.401604] ? trace_hardirqs_on+0x310/0x310 [ 638.406031] do_page_fault+0xf2/0x7e0 [ 638.409845] ? vmalloc_sync_all+0x30/0x30 [ 638.414003] ? error_entry+0x70/0xd0 [ 638.417732] ? trace_hardirqs_off_caller+0xbb/0x310 [ 638.422753] ? trace_hardirqs_on_caller+0xc0/0x310 [ 638.427690] ? syscall_return_slowpath+0x5e0/0x5e0 [ 638.432630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.437492] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.442517] ? trace_hardirqs_off+0x310/0x310 [ 638.447041] ? prepare_exit_to_usermode+0x291/0x3b0 [ 638.452537] ? page_fault+0x8/0x30 [ 638.456108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.460962] ? page_fault+0x8/0x30 [ 638.464508] page_fault+0x1e/0x30 [ 638.467967] RIP: 0033:0x45ddf3 [ 638.471171] Code: Bad RIP value. [ 638.474540] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 638.479935] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 638.487212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 638.494486] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 638.501759] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 638.509032] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 638.516351] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 638.516435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 638.523645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 638.523650] Call Trace: [ 638.523658] [ 638.523686] dump_stack+0x1c4/0x2b6 [ 638.523705] ? dump_stack_print_info.cold.1+0x20/0x20 [ 638.523736] warn_alloc.cold.119+0xb7/0x1bd [ 638.530329] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 638.539596] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 638.542165] syz-fuzzer cpuset= [ 638.544321] ? lock_downgrade+0x900/0x900 [ 638.547924] / [ 638.553122] ? trace_hardirqs_off+0xb8/0x310 [ 638.557421] mems_allowed=0 [ 638.567658] ? trace_hardirqs_off+0xb8/0x310 [ 638.593268] __alloc_pages_slowpath+0x265e/0x2d70 [ 638.598161] ? warn_alloc+0x120/0x120 [ 638.601979] ? warn_alloc+0x120/0x120 [ 638.605795] ? print_usage_bug+0xc0/0xc0 [ 638.609869] ? warn_alloc+0x120/0x120 [ 638.613674] ? lock_release+0x970/0x970 [ 638.617657] ? print_usage_bug+0xc0/0xc0 [ 638.621725] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 638.626938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.632488] ? should_fail+0x22d/0xd01 [ 638.636397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 638.641512] ? __lock_acquire+0x7ec/0x4ec0 [ 638.645770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 638.650881] ? __lock_acquire+0x7ec/0x4ec0 [ 638.655135] ? should_fail+0x22d/0xd01 [ 638.659035] ? mark_held_locks+0x130/0x130 [ 638.663291] ? mark_held_locks+0x130/0x130 [ 638.667543] ? mark_held_locks+0x130/0x130 [ 638.671798] ? kvm_clock_read+0x18/0x30 [ 638.675783] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 638.680810] ? ktime_get+0x2e1/0x440 [ 638.684535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.690098] ? graph_lock+0x170/0x170 [ 638.693915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.699467] ? check_preemption_disabled+0x48/0x280 [ 638.704492] ? check_preemption_disabled+0x48/0x280 [ 638.709532] ? __lock_is_held+0xb5/0x140 [ 638.713621] __alloc_pages_nodemask+0xa80/0xde0 [ 638.718300] ? graph_lock+0x170/0x170 [ 638.722122] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 638.727160] ? graph_lock+0x170/0x170 [ 638.731022] ? find_held_lock+0x36/0x1c0 [ 638.735144] ? ____cache_alloc_node+0x1c7/0x1e0 [ 638.739874] ? lock_downgrade+0x900/0x900 [ 638.744067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.749654] cache_grow_begin+0x91/0x8c0 [ 638.753748] ? do_raw_spin_unlock+0xa7/0x330 [ 638.758202] fallback_alloc+0x203/0x2e0 [ 638.762213] ____cache_alloc_node+0x1c7/0x1e0 [ 638.766748] kmem_cache_alloc_node+0xe3/0x730 [ 638.771270] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 638.776422] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 638.781051] __alloc_skb+0x119/0x770 [ 638.784799] ? calc_wheel_index+0x220/0x220 [ 638.789156] ? skb_scrub_packet+0x490/0x490 [ 638.793540] ? vprintk_default+0x28/0x30 [ 638.797644] ? vprintk_func+0x85/0x181 [ 638.801573] ? printk+0xa7/0xcf [ 638.804887] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 638.809692] new_skb+0x26/0x1c0 [ 638.813005] aoecmd_cfg+0x279/0x7f0 [ 638.816672] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 638.821030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.826626] ? check_preemption_disabled+0x48/0x280 [ 638.831684] ? check_preemption_disabled+0x48/0x280 [ 638.836754] ? __lock_is_held+0xb5/0x140 [ 638.840864] discover_timer+0x50/0x60 [ 638.844699] call_timer_fn+0x272/0x920 [ 638.848613] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 638.853494] ? process_timeout+0x40/0x40 [ 638.857589] ? find_held_lock+0x36/0x1c0 [ 638.861695] ? __run_timers+0x7da/0xc70 [ 638.865706] ? _raw_spin_unlock_irq+0x27/0x80 [ 638.870236] ? _raw_spin_unlock_irq+0x27/0x80 [ 638.874753] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 638.879631] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 638.884249] ? trace_hardirqs_on+0xbd/0x310 [ 638.888616] ? kasan_check_read+0x11/0x20 [ 638.892783] ? __run_timers+0x7da/0xc70 [ 638.896767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 638.902251] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 638.907105] __run_timers+0x7e5/0xc70 [ 638.910952] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 638.916333] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 638.921367] ? graph_lock+0x170/0x170 [ 638.925206] ? enqueue_hrtimer+0x1a5/0x560 [ 638.929452] ? lock_release+0x970/0x970 [ 638.933441] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 638.938651] ? find_held_lock+0x36/0x1c0 [ 638.942733] ? graph_lock+0x170/0x170 [ 638.946561] ? pvclock_read_flags+0x160/0x160 [ 638.951078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.956636] ? check_preemption_disabled+0x48/0x280 [ 638.961700] ? __lock_is_held+0xb5/0x140 [ 638.965783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.971343] ? check_preemption_disabled+0x48/0x280 [ 638.976389] run_timer_softirq+0x52/0xb0 [ 638.980466] ? rcu_read_lock_sched_held+0x108/0x120 [ 638.985506] __do_softirq+0x30c/0xb03 [ 638.989339] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 638.994473] ? pvclock_read_flags+0x160/0x160 [ 638.998986] ? lapic_next_event+0x5a/0x90 [ 639.003152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.008704] ? check_preemption_disabled+0x48/0x280 [ 639.013727] ? check_preemption_disabled+0x48/0x280 [ 639.018759] ? kvm_clock_read+0x18/0x30 [ 639.022740] ? kvm_sched_clock_read+0x9/0x20 [ 639.027186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.032736] ? check_preemption_disabled+0x48/0x280 [ 639.037774] irq_exit+0x17f/0x1c0 [ 639.041237] smp_apic_timer_interrupt+0x1cb/0x760 [ 639.046090] ? smp_reschedule_interrupt+0x109/0x650 [ 639.051124] ? smp_call_function_single_interrupt+0x650/0x650 [ 639.057042] ? interrupt_entry+0xb5/0xf0 [ 639.061128] ? trace_hardirqs_off_caller+0xbb/0x310 [ 639.066154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 639.071185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.076040] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.081080] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.086108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.091659] ? check_preemption_disabled+0x48/0x280 [ 639.096682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.102239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.107105] apic_timer_interrupt+0xf/0x20 [ 639.111345] [ 639.113599] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 639.118540] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 639.137468] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 639.145187] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 639.152462] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 639.159738] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 639.167013] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 639.174290] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 639.181643] skb_clone+0x1bb/0x500 [ 639.185198] ? skb_split+0x11e0/0x11e0 [ 639.189101] ? preempt_notifier_register+0x200/0x200 [ 639.194212] ? __switch_to_asm+0x34/0x70 [ 639.198284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 639.203052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 639.207842] bpf_clone_redirect+0xb9/0x490 [ 639.212102] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 639.217145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 639.221920] ? find_held_lock+0x36/0x1c0 [ 639.225996] ? lock_acquire+0x1ed/0x520 [ 639.230470] ? bpf_test_run+0x3cb/0x780 [ 639.234509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.240059] ? check_preemption_disabled+0x48/0x280 [ 639.245108] ? kasan_check_read+0x11/0x20 [ 639.249267] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 639.254565] ? rcu_bh_qs+0xc0/0xc0 [ 639.258121] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 639.263332] ? bpf_test_run+0x25d/0x780 [ 639.267331] ? netlink_diag_dump+0x2a0/0x2a0 [ 639.271753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.277308] ? bpf_test_init.isra.10+0x70/0x100 [ 639.281994] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 639.286769] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 639.291622] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 639.297174] ? fput+0x130/0x1a0 [ 639.300472] ? __bpf_prog_get+0x9b/0x290 [ 639.304560] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 639.309431] ? bpf_prog_test_run+0x130/0x1a0 [ 639.313858] ? __x64_sys_bpf+0x3d8/0x520 [ 639.318121] ? bpf_prog_get+0x20/0x20 [ 639.321958] ? do_syscall_64+0x1b9/0x820 [ 639.326031] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 639.331413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 639.336359] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.341393] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 639.346418] ? recalc_sigpending_tsk+0x180/0x180 [ 639.351185] ? kasan_check_write+0x14/0x20 [ 639.355435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.360301] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 639.365698] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 639.365704] warn_alloc_show_mem: 1 callbacks suppressed [ 639.365712] Mem-Info: [ 639.372752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 639.378127] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 639.378127] active_file:13 inactive_file:34 isolated_file:0 [ 639.378127] unevictable:0 dirty:0 writeback:0 unstable:0 [ 639.378127] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 639.378127] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 639.378127] free:13625 free_pcp:139 free_cma:0 [ 639.380504] Call Trace: [ 639.389901] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 639.422774] [ 639.425356] Node 0 [ 639.452953] dump_stack+0x1c4/0x2b6 [ 639.455117] 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 [ 639.457334] ? dump_stack_print_info.cold.1+0x20/0x20 [ 639.460937] lowmem_reserve[]: 0 [ 639.486468] warn_alloc.cold.119+0xb7/0x1bd [ 639.491636] 2819 [ 639.494916] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 639.499216] 6323 [ 639.501293] ? lock_downgrade+0x900/0x900 [ 639.506119] 6323 [ 639.508188] ? trace_hardirqs_off+0xb8/0x310 [ 639.512333] Node 0 [ 639.514403] ? trace_hardirqs_off+0xb8/0x310 [ 639.518815] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 639.521031] __alloc_pages_slowpath+0x265e/0x2d70 [ 639.525409] lowmem_reserve[]: 0 [ 639.552649] ? warn_alloc+0x120/0x120 [ 639.557445] 0 [ 639.560733] ? trace_hardirqs_on+0x310/0x310 [ 639.564513] 3503 [ 639.566320] ? warn_alloc+0x120/0x120 [ 639.570717] 3503 [ 639.572783] ? print_usage_bug+0xc0/0xc0 [ 639.578641] ? warn_alloc+0x120/0x120 [ 639.582684] Node 0 [ 639.586480] ? ktime_get+0x2e1/0x440 [ 639.586518] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 639.588727] ? print_usage_bug+0xc0/0xc0 [ 639.592415] lowmem_reserve[]: 0 [ 639.620802] ? __lock_acquire+0x7ec/0x4ec0 [ 639.624852] 0 [ 639.628130] ? __lock_acquire+0x7ec/0x4ec0 [ 639.632347] 0 [ 639.634154] ? kasan_check_read+0x11/0x20 [ 639.638358] 0 [ 639.640173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.644301] Node 0 [ 639.646107] ? should_fail+0x22d/0xd01 [ 639.651621] DMA: 1*4kB [ 639.653874] ? rcu_bh_qs+0xc0/0xc0 [ 639.657741] (U) [ 639.660326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 639.663851] 0*8kB 0*16kB [ 639.665836] ? __lock_acquire+0x7ec/0x4ec0 [ 639.670921] 1*32kB [ 639.673684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 639.677898] (U) [ 639.680135] ? __lock_acquire+0x7ec/0x4ec0 [ 639.685218] 2*64kB (U) [ 639.687204] ? should_fail+0x22d/0xd01 [ 639.691414] 1*128kB (U) [ 639.694016] ? rcu_idle_enter+0x4b0/0x4b0 [ 639.697880] 1*256kB (U) [ 639.700586] ? mark_held_locks+0x130/0x130 [ 639.704710] 0*512kB [ 639.707381] ? mark_held_locks+0x130/0x130 [ 639.711597] 1*1024kB [ 639.713922] ? mark_held_locks+0xc7/0x130 [ 639.718138] (U) [ 639.720559] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 639.724689] 1*2048kB [ 639.726667] ? graph_lock+0x170/0x170 [ 639.731665] (M) [ 639.734085] ? print_usage_bug+0xc0/0xc0 [ 639.737871] 3*4096kB [ 639.739850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.743889] (M) [ 639.746309] ? check_preemption_disabled+0x48/0x280 [ 639.751818] = 15908kB [ 639.751828] Node 0 [ 639.753808] ? check_preemption_disabled+0x48/0x280 [ 639.758805] DMA32: [ 639.761227] ? __lock_is_held+0xb5/0x140 [ 639.763450] 3*4kB [ 639.768476] __alloc_pages_nodemask+0xa80/0xde0 [ 639.770690] (M) [ 639.774751] ? graph_lock+0x170/0x170 [ 639.776883] 1*8kB (M) [ 639.782787] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 639.784749] 3*16kB [ 639.788560] ? graph_lock+0x170/0x170 [ 639.791039] (UM) [ 639.796065] ? find_held_lock+0x36/0x1c0 [ 639.798275] 3*32kB (UM) [ 639.802100] ? ____cache_alloc_node+0x1c7/0x1e0 [ 639.804143] 4*64kB [ 639.808204] ? lock_downgrade+0x900/0x900 [ 639.810860] (M) [ 639.815534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.817741] 3*128kB (M) [ 639.821904] cache_grow_begin+0x91/0x8c0 [ 639.823856] 4*256kB (UM) [ 639.829425] ? do_raw_spin_unlock+0xa7/0x330 [ 639.832075] 3*512kB (M) [ 639.836152] fallback_alloc+0x203/0x2e0 [ 639.838888] 3*1024kB [ 639.843320] ____cache_alloc_node+0x1c7/0x1e0 [ 639.845972] (UM) [ 639.849949] kmem_cache_alloc_node+0xe3/0x730 [ 639.852340] 3*2048kB [ 639.856836] ? ipv6_get_ifaddr+0x42e/0x620 [ 639.858878] (UM) [ 639.863380] __alloc_skb+0x119/0x770 [ 639.865767] 3*4096kB [ 639.870002] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 639.872048] (M) [ 639.875763] ? skb_scrub_packet+0x490/0x490 [ 639.878150] = 24868kB [ 639.878160] Node 0 [ 639.883439] ? lock_downgrade+0x900/0x900 [ 639.885395] Normal: [ 639.889724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.892116] 871*4kB [ 639.894358] ? refcount_sub_and_test_checked+0x203/0x310 [ 639.898488] (MEH) [ 639.900818] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 639.906333] 470*8kB (MEH) [ 639.908671] ? addrconf_rs_timer+0x690/0x690 [ 639.914105] 180*16kB [ 639.916265] ndisc_alloc_skb+0x144/0x340 [ 639.921685] (UMEH) [ 639.924534] ndisc_send_rs+0x331/0x6e0 [ 639.928927] 61*32kB (UME) [ 639.931351] addrconf_rs_timer+0x314/0x690 [ 639.935387] 19*64kB (UMH) [ 639.937641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 639.941511] 0*128kB [ 639.944374] call_timer_fn+0x272/0x920 [ 639.948587] 0*256kB [ 639.951463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 639.955683] 0*512kB [ 639.958009] ? process_timeout+0x40/0x40 [ 639.961877] 0*1024kB [ 639.964202] ? find_held_lock+0x36/0x1c0 [ 639.968431] 0*2048kB 0*4096kB [ 639.970776] ? mark_held_locks+0xc7/0x130 [ 639.974808] = 13292kB [ 639.974824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 639.977233] ? _raw_spin_unlock_irq+0x27/0x80 [ 639.981278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 639.984464] ? _raw_spin_unlock_irq+0x27/0x80 [ 639.988595] 238 total pagecache pages [ 639.991000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 639.991019] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 639.999849] 0 pages in swap cache [ 640.004346] ? trace_hardirqs_on+0xbd/0x310 [ 640.004367] ? kasan_check_read+0x11/0x20 [ 640.012922] Swap cache stats: add 0, delete 0, find 0/0 [ 640.012932] Free swap = 0kB [ 640.017431] ? __run_timers+0x7da/0xc70 [ 640.021211] Total swap = 0kB [ 640.025450] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 640.030018] 1965979 pages RAM [ 640.033477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.037771] 0 pages HighMem/MovableOnly [ 640.037781] 342306 pages reserved [ 640.041931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.047271] 0 pages cma reserved [ 640.050921] __run_timers+0x7e5/0xc70 [ 640.054978] aoe: skb alloc failure [ 640.057906] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 640.057925] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 640.057944] ? graph_lock+0x170/0x170 [ 640.063419] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 640.066496] ? print_usage_bug+0xc0/0xc0 [ 640.070722] syz-executor4 cpuset= [ 640.074693] ? enqueue_hrtimer+0x1a5/0x560 [ 640.074711] ? lock_release+0x970/0x970 [ 640.078158] syz4 [ 640.082394] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 640.085750] mems_allowed=0 [ 640.089568] ? find_held_lock+0x36/0x1c0 [ 640.148018] ? graph_lock+0x170/0x170 [ 640.151835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.157385] ? check_preemption_disabled+0x48/0x280 [ 640.162425] ? __lock_is_held+0xb5/0x140 [ 640.166499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.172053] ? check_preemption_disabled+0x48/0x280 [ 640.177097] run_timer_softirq+0x52/0xb0 [ 640.181838] ? rcu_read_lock_sched_held+0x108/0x120 [ 640.186866] __do_softirq+0x30c/0xb03 [ 640.190689] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 640.195807] ? pvclock_read_flags+0x160/0x160 [ 640.200318] ? lapic_next_event+0x5a/0x90 [ 640.204477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.210025] ? check_preemption_disabled+0x48/0x280 [ 640.215045] ? check_preemption_disabled+0x48/0x280 [ 640.220079] ? kvm_clock_read+0x18/0x30 [ 640.224059] ? kvm_sched_clock_read+0x9/0x20 [ 640.228478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.234020] ? check_preemption_disabled+0x48/0x280 [ 640.239057] irq_exit+0x17f/0x1c0 [ 640.242522] smp_apic_timer_interrupt+0x1cb/0x760 [ 640.247378] ? smp_reschedule_interrupt+0x109/0x650 [ 640.252400] ? smp_call_function_single_interrupt+0x650/0x650 [ 640.258294] ? interrupt_entry+0xb5/0xf0 [ 640.262363] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.267383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.272409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.277262] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.282282] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.287309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.292853] ? check_preemption_disabled+0x48/0x280 [ 640.297871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.303421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.308288] apic_timer_interrupt+0xf/0x20 [ 640.312520] [ 640.314775] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 640.319975] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 640.338893] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 640.346612] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 640.353884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 640.361153] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 640.368421] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 640.375694] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 640.383009] retint_kernel+0x1b/0x2d [ 640.386735] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 640.392021] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 640.410925] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 640.419598] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 640.426873] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 640.434143] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 640.441442] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 640.448731] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 640.456043] ? arch_local_irq_restore+0x45/0x52 [ 640.460739] dump_stack+0x26a/0x2b6 [ 640.464382] ? dump_stack_print_info.cold.1+0x20/0x20 [ 640.469603] ? mark_held_locks+0x130/0x130 [ 640.473851] ? mark_held_locks+0x130/0x130 [ 640.478108] dump_header+0x27b/0xf72 [ 640.481843] ? pagefault_out_of_memory+0x197/0x197 [ 640.486788] ? __lock_acquire+0x7ec/0x4ec0 [ 640.491038] ? print_usage_bug+0xc0/0xc0 [ 640.495115] ? graph_lock+0x170/0x170 [ 640.498915] ? graph_lock+0x170/0x170 [ 640.502721] ? print_usage_bug+0xc0/0xc0 [ 640.506785] ? print_usage_bug+0xc0/0xc0 [ 640.510853] ? print_usage_bug+0xc0/0xc0 [ 640.514930] ? find_held_lock+0x36/0x1c0 [ 640.519004] ? mark_held_locks+0xc7/0x130 [ 640.523174] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.528286] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.533397] ? lockdep_hardirqs_on+0x421/0x5c0 [ 640.537991] ? trace_hardirqs_on+0xbd/0x310 [ 640.542331] ? kasan_check_read+0x11/0x20 [ 640.546500] ? ___ratelimit+0x36f/0x655 [ 640.550483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 640.555965] ? trace_hardirqs_on+0x310/0x310 [ 640.560377] ? lock_downgrade+0x900/0x900 [ 640.564540] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 640.569665] ? ___ratelimit+0xaa/0x655 [ 640.573577] ? idr_get_free+0xec0/0xec0 [ 640.577578] ? kasan_check_write+0x14/0x20 [ 640.581822] ? do_raw_spin_lock+0xc1/0x230 [ 640.586072] oom_kill_process.cold.27+0x10/0x903 [ 640.590837] ? graph_lock+0x170/0x170 [ 640.594647] ? _raw_spin_unlock+0x2c/0x50 [ 640.598800] ? oom_badness+0xe6/0xaa0 [ 640.602616] ? oom_evaluate_task+0x540/0x540 [ 640.607037] ? find_held_lock+0x36/0x1c0 [ 640.611122] ? out_of_memory+0x974/0x1430 [ 640.615276] ? lock_downgrade+0x900/0x900 [ 640.619432] ? check_preemption_disabled+0x48/0x280 [ 640.624466] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 640.630271] ? kasan_check_read+0x11/0x20 [ 640.634426] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 640.639714] ? rcu_bh_qs+0xc0/0xc0 [ 640.643273] ? kasan_check_write+0x14/0x20 [ 640.647511] ? oom_evaluate_task+0x302/0x540 [ 640.651931] out_of_memory+0xa84/0x1430 [ 640.655931] ? oom_killer_disable+0x3a0/0x3a0 [ 640.660438] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 640.665379] ? __mutex_add_waiter+0x2a0/0x2a0 [ 640.669898] __alloc_pages_slowpath+0x230f/0x2d70 [ 640.674805] ? warn_alloc+0x120/0x120 [ 640.678614] ? __radix_tree_lookup+0x4c0/0x4c0 [ 640.683221] ? find_get_entry+0x2f2/0xc40 [ 640.687392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.692941] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 640.697885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.703606] ? should_fail+0x22d/0xd01 [ 640.707507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 640.712618] ? __lock_is_held+0xb5/0x140 [ 640.716719] ? __lock_is_held+0xb5/0x140 [ 640.720804] ? find_held_lock+0x36/0x1c0 [ 640.724878] ? ___might_sleep+0x1ed/0x300 [ 640.729028] ? lock_release+0x970/0x970 [ 640.733011] ? arch_local_save_flags+0x40/0x40 [ 640.737632] ? __might_sleep+0x95/0x190 [ 640.741624] __alloc_pages_nodemask+0xa80/0xde0 [ 640.746309] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 640.751334] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 640.757139] ? kasan_check_read+0x11/0x20 [ 640.761300] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 640.766602] ? graph_lock+0x170/0x170 [ 640.770410] ? print_usage_bug+0xc0/0xc0 [ 640.774480] ? graph_lock+0x170/0x170 [ 640.778287] ? graph_lock+0x170/0x170 [ 640.782099] ? __do_page_cache_readahead+0x7ce/0x980 [ 640.787218] ? find_held_lock+0x36/0x1c0 [ 640.791294] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 640.796846] alloc_pages_current+0x10c/0x210 [ 640.801258] ? lock_downgrade+0x900/0x900 [ 640.805426] __page_cache_alloc+0x38f/0x5b0 [ 640.809763] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 640.815579] ? kasan_check_read+0x11/0x20 [ 640.819737] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 640.825029] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 640.829731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.835277] ? check_preemption_disabled+0x48/0x280 [ 640.840307] filemap_fault+0x1594/0x25f0 [ 640.844388] ? __lock_page_or_retry+0xa00/0xa00 [ 640.849063] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 640.854867] ? kasan_check_read+0x11/0x20 [ 640.859022] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 640.864308] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.869416] ? rcu_bh_qs+0xc0/0xc0 [ 640.872971] ? trace_hardirqs_on+0xbd/0x310 [ 640.877298] ? kasan_check_read+0x11/0x20 [ 640.881455] ? __free_object+0x173/0x340 [ 640.885533] ? filemap_map_pages+0xdea/0x1980 [ 640.890062] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 640.895176] ? __free_object+0x173/0x340 [ 640.899245] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 640.904524] ? debug_object_free+0x325/0x690 [ 640.908975] ? find_get_pages_range_tag+0x1320/0x1320 [ 640.914177] ? graph_lock+0x170/0x170 [ 640.917992] ? kasan_check_read+0x11/0x20 [ 640.922151] ? debug_object_destroy+0x2b0/0x2b0 [ 640.926840] ? lock_acquire+0x1ed/0x520 [ 640.930822] ? ext4_filemap_fault+0x7a/0xad [ 640.935156] ? lock_release+0x970/0x970 [ 640.939134] ? arch_local_save_flags+0x40/0x40 [ 640.943729] ? futex_wait_setup+0x3e0/0x3e0 [ 640.948076] ? down_read+0xb0/0x1d0 [ 640.951709] ? ext4_filemap_fault+0x7a/0xad [ 640.956036] ? __down_interruptible+0x700/0x700 [ 640.960735] ext4_filemap_fault+0x82/0xad [ 640.964897] __do_fault+0x100/0x6b0 [ 640.968535] ? print_bad_pte+0x6c0/0x6c0 [ 640.972619] ? do_futex+0x249/0x26d0 [ 640.976338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.981881] ? check_preemption_disabled+0x48/0x280 [ 640.986903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 640.991668] ? pmd_val+0x88/0x100 [ 640.995129] ? add_mm_counter_fast+0xd0/0xd0 [ 640.999540] ? pmd_val+0x88/0x100 [ 641.003014] ? add_mm_counter_fast+0xd0/0xd0 [ 641.007433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.012984] __handle_mm_fault+0x3709/0x53e0 [ 641.017396] ? debug_smp_processor_id+0x1c/0x20 [ 641.022079] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 641.026930] ? graph_lock+0x170/0x170 [ 641.030740] ? print_usage_bug+0xc0/0xc0 [ 641.034808] ? should_fail+0xaf/0xd01 [ 641.038618] ? graph_lock+0x170/0x170 [ 641.042422] ? graph_lock+0x170/0x170 [ 641.046248] ? handle_mm_fault+0x42a/0xc70 [ 641.050490] ? lock_downgrade+0x900/0x900 [ 641.054643] ? check_preemption_disabled+0x48/0x280 [ 641.059677] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 641.066302] ? kasan_check_read+0x11/0x20 [ 641.070458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 641.075751] ? rcu_bh_qs+0xc0/0xc0 [ 641.079301] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 641.084769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.090314] ? check_preemption_disabled+0x48/0x280 [ 641.095345] handle_mm_fault+0x54f/0xc70 [ 641.099429] ? __handle_mm_fault+0x53e0/0x53e0 [ 641.104019] ? find_vma+0x34/0x190 [ 641.107584] __do_page_fault+0x67d/0xed0 [ 641.111669] ? mm_fault_error+0x380/0x380 [ 641.115823] ? trace_hardirqs_off+0xb8/0x310 [ 641.120703] ? trace_hardirqs_on+0x310/0x310 [ 641.125120] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 641.130492] ? trace_hardirqs_on+0x310/0x310 [ 641.134913] do_page_fault+0xf2/0x7e0 [ 641.138725] ? vmalloc_sync_all+0x30/0x30 [ 641.142883] ? error_entry+0x70/0xd0 [ 641.146608] ? trace_hardirqs_off_caller+0xbb/0x310 [ 641.151627] ? trace_hardirqs_on_caller+0xc0/0x310 [ 641.156582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 641.161517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.166386] ? trace_hardirqs_on_caller+0x310/0x310 [ 641.171422] ? trace_hardirqs_off+0x310/0x310 [ 641.175928] ? prepare_exit_to_usermode+0x291/0x3b0 [ 641.180951] ? page_fault+0x8/0x30 [ 641.184502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.189353] ? page_fault+0x8/0x30 [ 641.192906] page_fault+0x1e/0x30 [ 641.196362] RIP: 0033:0x45ddf3 [ 641.199591] Code: Bad RIP value. [ 641.202960] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 641.208332] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 641.215611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 641.222886] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 641.230311] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 641.237591] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 641.244908] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 641.245018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 641.252198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 641.252204] Call Trace: [ 641.252212] [ 641.252237] dump_stack+0x1c4/0x2b6 [ 641.252258] ? dump_stack_print_info.cold.1+0x20/0x20 [ 641.258835] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 641.268122] warn_alloc.cold.119+0xb7/0x1bd [ 641.270680] syz-fuzzer cpuset= [ 641.272833] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 641.276456] / [ 641.281654] ? lock_downgrade+0x900/0x900 [ 641.292255] mems_allowed=0 [ 641.296598] ? trace_hardirqs_off+0xb8/0x310 [ 641.317809] ? trace_hardirqs_off+0xb8/0x310 [ 641.322235] __alloc_pages_slowpath+0x265e/0x2d70 [ 641.327143] ? warn_alloc+0x120/0x120 [ 641.330955] ? warn_alloc+0x120/0x120 [ 641.334770] ? print_usage_bug+0xc0/0xc0 [ 641.338859] ? warn_alloc+0x120/0x120 [ 641.342671] ? print_usage_bug+0xc0/0xc0 [ 641.346752] ? mark_held_locks+0x130/0x130 [ 641.351004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.356558] ? should_fail+0x22d/0xd01 [ 641.360460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 641.365579] ? __lock_acquire+0x7ec/0x4ec0 [ 641.369830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 641.374938] ? __lock_acquire+0x7ec/0x4ec0 [ 641.379181] ? should_fail+0x22d/0xd01 [ 641.383096] ? mark_held_locks+0x130/0x130 [ 641.387346] ? mark_held_locks+0x130/0x130 [ 641.391595] ? lock_downgrade+0x900/0x900 [ 641.395753] ? graph_lock+0x170/0x170 [ 641.399567] ? graph_lock+0x170/0x170 [ 641.403378] ? graph_lock+0x170/0x170 [ 641.407183] ? print_usage_bug+0xc0/0xc0 [ 641.411253] ? do_raw_spin_unlock+0xa7/0x330 [ 641.415682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.421230] ? check_preemption_disabled+0x48/0x280 [ 641.426252] ? check_preemption_disabled+0x48/0x280 [ 641.431295] ? __lock_is_held+0xb5/0x140 [ 641.435371] __alloc_pages_nodemask+0xa80/0xde0 [ 641.440049] ? graph_lock+0x170/0x170 [ 641.443870] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 641.448893] ? graph_lock+0x170/0x170 [ 641.452715] ? find_held_lock+0x36/0x1c0 [ 641.456794] ? ____cache_alloc_node+0x1c7/0x1e0 [ 641.461475] ? lock_downgrade+0x900/0x900 [ 641.465639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.471189] cache_grow_begin+0x91/0x8c0 [ 641.475260] ? do_raw_spin_unlock+0xa7/0x330 [ 641.479686] fallback_alloc+0x203/0x2e0 [ 641.483675] ____cache_alloc_node+0x1c7/0x1e0 [ 641.488191] kmem_cache_alloc_node+0xe3/0x730 [ 641.492694] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 641.497807] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 641.502409] __alloc_skb+0x119/0x770 [ 641.506132] ? calc_wheel_index+0x220/0x220 [ 641.510463] ? skb_scrub_packet+0x490/0x490 [ 641.514806] ? vprintk_default+0x28/0x30 [ 641.518875] ? vprintk_func+0x85/0x181 [ 641.522781] ? printk+0xa7/0xcf [ 641.526080] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 641.530877] new_skb+0x26/0x1c0 [ 641.534172] aoecmd_cfg+0x279/0x7f0 [ 641.537816] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 641.542151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.547699] ? check_preemption_disabled+0x48/0x280 [ 641.552723] ? check_preemption_disabled+0x48/0x280 [ 641.557766] ? __lock_is_held+0xb5/0x140 [ 641.561871] discover_timer+0x50/0x60 [ 641.565684] call_timer_fn+0x272/0x920 [ 641.569587] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.574439] ? process_timeout+0x40/0x40 [ 641.578507] ? find_held_lock+0x36/0x1c0 [ 641.582606] ? __run_timers+0x7da/0xc70 [ 641.586600] ? _raw_spin_unlock_irq+0x27/0x80 [ 641.591108] ? _raw_spin_unlock_irq+0x27/0x80 [ 641.595613] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.600464] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 641.605057] ? trace_hardirqs_on+0xbd/0x310 [ 641.609397] ? kasan_check_read+0x11/0x20 [ 641.613573] ? __run_timers+0x7da/0xc70 [ 641.617570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 641.623049] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.627910] __run_timers+0x7e5/0xc70 [ 641.631734] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 641.637110] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 641.642138] ? graph_lock+0x170/0x170 [ 641.645953] ? enqueue_hrtimer+0x1a5/0x560 [ 641.650195] ? lock_release+0x970/0x970 [ 641.654178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 641.659387] ? find_held_lock+0x36/0x1c0 [ 641.663458] ? graph_lock+0x170/0x170 [ 641.667267] ? pvclock_read_flags+0x160/0x160 [ 641.671770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.677335] ? check_preemption_disabled+0x48/0x280 [ 641.682389] ? __lock_is_held+0xb5/0x140 [ 641.686463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.692013] ? check_preemption_disabled+0x48/0x280 [ 641.697049] run_timer_softirq+0x52/0xb0 [ 641.701129] ? rcu_read_lock_sched_held+0x108/0x120 [ 641.706160] __do_softirq+0x30c/0xb03 [ 641.709982] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 641.715111] ? pvclock_read_flags+0x160/0x160 [ 641.719623] ? lapic_next_event+0x5a/0x90 [ 641.723783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.729339] ? check_preemption_disabled+0x48/0x280 [ 641.734362] ? check_preemption_disabled+0x48/0x280 [ 641.739404] ? kvm_clock_read+0x18/0x30 [ 641.743393] ? kvm_sched_clock_read+0x9/0x20 [ 641.747812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.753362] ? check_preemption_disabled+0x48/0x280 [ 641.758402] irq_exit+0x17f/0x1c0 [ 641.761870] smp_apic_timer_interrupt+0x1cb/0x760 [ 641.766720] ? smp_reschedule_interrupt+0x109/0x650 [ 641.771754] ? smp_call_function_single_interrupt+0x650/0x650 [ 641.777657] ? interrupt_entry+0xb5/0xf0 [ 641.781732] ? trace_hardirqs_off_caller+0xbb/0x310 [ 641.786753] ? trace_hardirqs_off_caller+0xbb/0x310 [ 641.791778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.796633] ? trace_hardirqs_on_caller+0x310/0x310 [ 641.801667] ? trace_hardirqs_on_caller+0x310/0x310 [ 641.806699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.812249] ? check_preemption_disabled+0x48/0x280 [ 641.817271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.822834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.827700] apic_timer_interrupt+0xf/0x20 [ 641.831937] [ 641.834189] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 641.839128] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 641.858036] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 641.865759] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 641.873039] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 641.880318] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 641.887592] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 641.894866] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 641.902201] skb_clone+0x1bb/0x500 [ 641.905756] ? skb_split+0x11e0/0x11e0 [ 641.909655] ? preempt_notifier_register+0x200/0x200 [ 641.914766] ? __switch_to_asm+0x34/0x70 [ 641.918859] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 641.923625] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 641.928401] bpf_clone_redirect+0xb9/0x490 [ 641.932659] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 641.937695] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 641.942475] ? find_held_lock+0x36/0x1c0 [ 641.946562] ? lock_acquire+0x1ed/0x520 [ 641.950558] ? bpf_test_run+0x3cb/0x780 [ 641.954546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.960112] ? check_preemption_disabled+0x48/0x280 [ 641.965151] ? kasan_check_read+0x11/0x20 [ 641.969314] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 641.974607] ? rcu_bh_qs+0xc0/0xc0 [ 641.978166] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 641.983383] ? bpf_test_run+0x25d/0x780 [ 641.987377] ? netlink_diag_dump+0x2a0/0x2a0 [ 641.991805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.997353] ? bpf_test_init.isra.10+0x70/0x100 [ 642.002036] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 642.006815] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 642.011669] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 642.017218] ? fput+0x130/0x1a0 [ 642.020508] ? __bpf_prog_get+0x9b/0x290 [ 642.024588] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 642.029441] ? bpf_prog_test_run+0x130/0x1a0 [ 642.033870] ? __x64_sys_bpf+0x3d8/0x520 [ 642.037938] ? bpf_prog_get+0x20/0x20 [ 642.041771] ? do_syscall_64+0x1b9/0x820 [ 642.045848] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 642.051229] ? syscall_return_slowpath+0x5e0/0x5e0 [ 642.056172] ? trace_hardirqs_on_caller+0x310/0x310 [ 642.061203] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 642.066242] ? recalc_sigpending_tsk+0x180/0x180 [ 642.071019] ? kasan_check_write+0x14/0x20 [ 642.075273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.080135] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 642.085571] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 642.085578] warn_alloc_show_mem: 1 callbacks suppressed [ 642.085586] Mem-Info: [ 642.092620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 642.098019] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 642.098019] active_file:13 inactive_file:34 isolated_file:0 [ 642.098019] unevictable:0 dirty:0 writeback:0 unstable:0 [ 642.098019] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 642.098019] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 642.098019] free:13625 free_pcp:139 free_cma:0 [ 642.100400] Call Trace: [ 642.109794] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 642.143114] [ 642.145705] Node 0 [ 642.173339] dump_stack+0x1c4/0x2b6 [ 642.175501] 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 [ 642.177720] ? dump_stack_print_info.cold.1+0x20/0x20 [ 642.181338] lowmem_reserve[]: 0 [ 642.206895] warn_alloc.cold.119+0xb7/0x1bd [ 642.212070] 2819 [ 642.215346] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 642.219646] 6323 6323 [ 642.221724] ? lock_downgrade+0x900/0x900 [ 642.229070] ? trace_hardirqs_off+0xb8/0x310 [ 642.233201] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 642.237640] ? trace_hardirqs_off+0xb8/0x310 [ 642.237665] __alloc_pages_slowpath+0x265e/0x2d70 [ 642.265403] lowmem_reserve[]: 0 [ 642.269864] ? warn_alloc+0x120/0x120 [ 642.274643] 0 3503 [ 642.277935] ? trace_hardirqs_on+0x310/0x310 [ 642.281717] 3503 [ 642.283953] ? warn_alloc+0x120/0x120 [ 642.290411] ? print_usage_bug+0xc0/0xc0 [ 642.294195] Node 0 [ 642.298256] ? warn_alloc+0x120/0x120 [ 642.298288] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 642.298296] lowmem_reserve[]: [ 642.300532] ? ktime_get+0x2e1/0x440 [ 642.304313] 0 0 [ 642.332733] ? print_usage_bug+0xc0/0xc0 [ 642.335843] 0 [ 642.339574] ? __lock_acquire+0x7ec/0x4ec0 [ 642.341522] 0 [ 642.345604] ? __lock_acquire+0x7ec/0x4ec0 [ 642.347389] Node 0 [ 642.351629] ? kasan_check_read+0x11/0x20 [ 642.353404] DMA: 1*4kB [ 642.357652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.359868] (U) [ 642.364018] ? should_fail+0x22d/0xd01 [ 642.366585] 0*8kB [ 642.372128] ? rcu_bh_qs+0xc0/0xc0 [ 642.374089] 0*16kB [ 642.377979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.380107] 1*32kB (U) [ 642.383663] ? __lock_acquire+0x7ec/0x4ec0 [ 642.385884] 2*64kB [ 642.390986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.393558] (U) [ 642.397801] ? __lock_acquire+0x7ec/0x4ec0 [ 642.400023] 1*128kB (U) [ 642.405149] ? should_fail+0x22d/0xd01 [ 642.407120] 1*256kB (U) [ 642.411369] ? rcu_idle_enter+0x4b0/0x4b0 [ 642.414013] 0*512kB 1*1024kB [ 642.417936] ? mark_held_locks+0x130/0x130 [ 642.420580] (U) 1*2048kB [ 642.424744] ? mark_held_locks+0x130/0x130 [ 642.427848] (M) [ 642.432090] ? mark_held_locks+0xc7/0x130 [ 642.434830] 3*4096kB [ 642.439068] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 642.441028] (M) [ 642.445179] ? graph_lock+0x170/0x170 [ 642.447572] = 15908kB [ 642.447582] Node 0 [ 642.452626] ? print_usage_bug+0xc0/0xc0 [ 642.454588] DMA32: [ 642.458400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.460802] 3*4kB [ 642.463044] ? check_preemption_disabled+0x48/0x280 [ 642.467087] (M) [ 642.469325] ? check_preemption_disabled+0x48/0x280 [ 642.474852] 1*8kB (M) [ 642.477026] ? __lock_is_held+0xb5/0x140 [ 642.482007] 3*16kB (UM) [ 642.484005] __alloc_pages_nodemask+0xa80/0xde0 [ 642.488998] 3*32kB [ 642.491494] ? graph_lock+0x170/0x170 [ 642.495536] (UM) [ 642.498226] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 642.502872] 4*64kB [ 642.505129] ? graph_lock+0x170/0x170 [ 642.508913] (M) [ 642.510983] ? find_held_lock+0x36/0x1c0 [ 642.515970] 3*128kB [ 642.518238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 642.522014] (M) [ 642.523992] ? lock_downgrade+0x900/0x900 [ 642.528041] 4*256kB (UM) [ 642.530395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.535041] 3*512kB [ 642.537025] cache_grow_begin+0x91/0x8c0 [ 642.541149] (M) [ 642.543942] ? do_raw_spin_unlock+0xa7/0x330 [ 642.549459] 3*1024kB [ 642.551806] fallback_alloc+0x203/0x2e0 [ 642.555840] (UM) [ 642.557821] ____cache_alloc_node+0x1c7/0x1e0 [ 642.562218] 3*2048kB (UM) [ 642.564672] kmem_cache_alloc_node+0xe3/0x730 [ 642.568618] 3*4096kB (M) [ 642.570691] ? ipv6_get_ifaddr+0x42e/0x620 [ 642.575177] = 24868kB [ 642.578030] __alloc_skb+0x119/0x770 [ 642.582497] Node 0 [ 642.585258] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 642.589466] Normal: 871*4kB [ 642.591896] ? skb_scrub_packet+0x490/0x490 [ 642.595588] (MEH) [ 642.597833] ? lock_downgrade+0x900/0x900 [ 642.603091] 470*8kB [ 642.606117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.610410] (MEH) [ 642.612579] ? refcount_sub_and_test_checked+0x203/0x310 [ 642.616714] 180*16kB [ 642.619060] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 642.624579] (UMEH) 61*32kB [ 642.626741] ? addrconf_rs_timer+0x690/0x690 [ 642.632172] (UME) [ 642.634601] ndisc_alloc_skb+0x144/0x340 [ 642.640021] 19*64kB (UMH) [ 642.642963] ndisc_send_rs+0x331/0x6e0 [ 642.647345] 0*128kB 0*256kB [ 642.649506] addrconf_rs_timer+0x314/0x690 [ 642.653561] 0*512kB [ 642.656415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.660281] 0*1024kB [ 642.663315] call_timer_fn+0x272/0x920 [ 642.667517] 0*2048kB [ 642.669840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.674059] 0*4096kB [ 642.676472] ? process_timeout+0x40/0x40 [ 642.680340] = 13292kB [ 642.682751] ? find_held_lock+0x36/0x1c0 [ 642.686973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 642.689383] ? mark_held_locks+0xc7/0x130 [ 642.693428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 642.695835] ? _raw_spin_unlock_irq+0x27/0x80 [ 642.699875] 238 total pagecache pages [ 642.708730] ? _raw_spin_unlock_irq+0x27/0x80 [ 642.712864] 0 pages in swap cache [ 642.721432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.725926] Swap cache stats: add 0, delete 0, find 0/0 [ 642.725936] Free swap = 0kB [ 642.729737] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 642.734209] Total swap = 0kB [ 642.734218] 1965979 pages RAM [ 642.737676] ? trace_hardirqs_on+0xbd/0x310 [ 642.741901] 0 pages HighMem/MovableOnly [ 642.741910] 342306 pages reserved [ 642.747284] ? kasan_check_read+0x11/0x20 [ 642.750285] 0 pages cma reserved [ 642.756755] ? __run_timers+0x7da/0xc70 [ 642.759876] aoe: skb alloc failure [ 642.762880] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 642.767218] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 642.771159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.774596] syz-executor4 cpuset= [ 642.778745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.782090] syz4 [ 642.786065] __run_timers+0x7e5/0xc70 [ 642.789593] mems_allowed=0 [ 642.795048] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 642.831419] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 642.836456] ? graph_lock+0x170/0x170 [ 642.840262] ? print_usage_bug+0xc0/0xc0 [ 642.844325] ? enqueue_hrtimer+0x1a5/0x560 [ 642.848577] ? lock_release+0x970/0x970 [ 642.852573] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 642.857778] ? find_held_lock+0x36/0x1c0 [ 642.861850] ? graph_lock+0x170/0x170 [ 642.865665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.871214] ? check_preemption_disabled+0x48/0x280 [ 642.876251] ? __lock_is_held+0xb5/0x140 [ 642.880317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.885860] ? check_preemption_disabled+0x48/0x280 [ 642.890890] run_timer_softirq+0x52/0xb0 [ 642.894959] ? rcu_read_lock_sched_held+0x108/0x120 [ 642.899980] __do_softirq+0x30c/0xb03 [ 642.903802] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 642.908918] ? pvclock_read_flags+0x160/0x160 [ 642.913416] ? lapic_next_event+0x5a/0x90 [ 642.917583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.923132] ? check_preemption_disabled+0x48/0x280 [ 642.928151] ? check_preemption_disabled+0x48/0x280 [ 642.933181] ? kvm_clock_read+0x18/0x30 [ 642.937162] ? kvm_sched_clock_read+0x9/0x20 [ 642.941590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.947136] ? check_preemption_disabled+0x48/0x280 [ 642.952183] irq_exit+0x17f/0x1c0 [ 642.955644] smp_apic_timer_interrupt+0x1cb/0x760 [ 642.960509] ? smp_reschedule_interrupt+0x109/0x650 [ 642.965542] ? smp_call_function_single_interrupt+0x650/0x650 [ 642.971448] ? interrupt_entry+0xb5/0xf0 [ 642.975514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 642.980536] ? trace_hardirqs_off_caller+0xbb/0x310 [ 642.985585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.990440] ? trace_hardirqs_on_caller+0x310/0x310 [ 642.995459] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.000497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.006039] ? check_preemption_disabled+0x48/0x280 [ 643.011080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.016628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.021483] apic_timer_interrupt+0xf/0x20 [ 643.025719] [ 643.027977] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 643.033192] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 643.052098] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 643.059813] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 643.067084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 643.074360] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 643.081632] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 643.088902] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 643.096229] retint_kernel+0x1b/0x2d [ 643.099950] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 643.105235] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 643.124618] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 643.132340] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 643.139620] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 643.146888] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 643.154164] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 643.161445] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 643.168762] ? arch_local_irq_restore+0x45/0x52 [ 643.173446] dump_stack+0x26a/0x2b6 [ 643.177102] ? dump_stack_print_info.cold.1+0x20/0x20 [ 643.182301] ? mark_held_locks+0x130/0x130 [ 643.186536] ? mark_held_locks+0x130/0x130 [ 643.190810] dump_header+0x27b/0xf72 [ 643.194561] ? pagefault_out_of_memory+0x197/0x197 [ 643.199511] ? __lock_acquire+0x7ec/0x4ec0 [ 643.203754] ? print_usage_bug+0xc0/0xc0 [ 643.207827] ? graph_lock+0x170/0x170 [ 643.211628] ? graph_lock+0x170/0x170 [ 643.215430] ? print_usage_bug+0xc0/0xc0 [ 643.219495] ? print_usage_bug+0xc0/0xc0 [ 643.223576] ? print_usage_bug+0xc0/0xc0 [ 643.227794] ? find_held_lock+0x36/0x1c0 [ 643.231870] ? mark_held_locks+0xc7/0x130 [ 643.236027] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 643.241133] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 643.246238] ? lockdep_hardirqs_on+0x421/0x5c0 [ 643.250826] ? trace_hardirqs_on+0xbd/0x310 [ 643.255159] ? kasan_check_read+0x11/0x20 [ 643.259310] ? ___ratelimit+0x36f/0x655 [ 643.263290] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 643.268746] ? trace_hardirqs_on+0x310/0x310 [ 643.273154] ? lock_downgrade+0x900/0x900 [ 643.277307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 643.282415] ? ___ratelimit+0xaa/0x655 [ 643.286310] ? idr_get_free+0xec0/0xec0 [ 643.290287] ? kasan_check_write+0x14/0x20 [ 643.294539] ? do_raw_spin_lock+0xc1/0x230 [ 643.298795] oom_kill_process.cold.27+0x10/0x903 [ 643.303570] ? graph_lock+0x170/0x170 [ 643.307398] ? _raw_spin_unlock+0x2c/0x50 [ 643.311557] ? oom_badness+0xe6/0xaa0 [ 643.315375] ? oom_evaluate_task+0x540/0x540 [ 643.319802] ? find_held_lock+0x36/0x1c0 [ 643.323890] ? out_of_memory+0x974/0x1430 [ 643.328065] ? lock_downgrade+0x900/0x900 [ 643.332217] ? check_preemption_disabled+0x48/0x280 [ 643.337242] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 643.343043] ? kasan_check_read+0x11/0x20 [ 643.347197] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 643.352482] ? rcu_bh_qs+0xc0/0xc0 [ 643.356028] ? kasan_check_write+0x14/0x20 [ 643.360261] ? oom_evaluate_task+0x302/0x540 [ 643.364676] out_of_memory+0xa84/0x1430 [ 643.368662] ? oom_killer_disable+0x3a0/0x3a0 [ 643.373164] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 643.378108] ? __mutex_add_waiter+0x2a0/0x2a0 [ 643.382619] __alloc_pages_slowpath+0x230f/0x2d70 [ 643.387500] ? warn_alloc+0x120/0x120 [ 643.391297] ? __radix_tree_lookup+0x4c0/0x4c0 [ 643.395910] ? find_get_entry+0x2f2/0xc40 [ 643.400097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.405652] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 643.410591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.416141] ? should_fail+0x22d/0xd01 [ 643.420037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 643.425144] ? __lock_is_held+0xb5/0x140 [ 643.429251] ? __lock_is_held+0xb5/0x140 [ 643.433328] ? find_held_lock+0x36/0x1c0 [ 643.437400] ? ___might_sleep+0x1ed/0x300 [ 643.441548] ? lock_release+0x970/0x970 [ 643.445571] ? arch_local_save_flags+0x40/0x40 [ 643.450188] ? __might_sleep+0x95/0x190 [ 643.454195] __alloc_pages_nodemask+0xa80/0xde0 [ 643.458887] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 643.463913] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 643.469725] ? kasan_check_read+0x11/0x20 [ 643.473880] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 643.479166] ? graph_lock+0x170/0x170 [ 643.482973] ? print_usage_bug+0xc0/0xc0 [ 643.487045] ? graph_lock+0x170/0x170 [ 643.490846] ? graph_lock+0x170/0x170 [ 643.494651] ? __do_page_cache_readahead+0x7ce/0x980 [ 643.499774] ? find_held_lock+0x36/0x1c0 [ 643.503848] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 643.509398] alloc_pages_current+0x10c/0x210 [ 643.513809] ? lock_downgrade+0x900/0x900 [ 643.517972] __page_cache_alloc+0x38f/0x5b0 [ 643.522314] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 643.528117] ? kasan_check_read+0x11/0x20 [ 643.532274] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 643.537575] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 643.542253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.547818] ? check_preemption_disabled+0x48/0x280 [ 643.552846] filemap_fault+0x1594/0x25f0 [ 643.556929] ? __lock_page_or_retry+0xa00/0xa00 [ 643.561604] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 643.567403] ? kasan_check_read+0x11/0x20 [ 643.571576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 643.576861] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 643.581969] ? rcu_bh_qs+0xc0/0xc0 [ 643.585514] ? trace_hardirqs_on+0xbd/0x310 [ 643.589841] ? kasan_check_read+0x11/0x20 [ 643.593992] ? __free_object+0x173/0x340 [ 643.598065] ? filemap_map_pages+0xdea/0x1980 [ 643.602624] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 643.607739] ? __free_object+0x173/0x340 [ 643.611810] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 643.617095] ? debug_object_free+0x325/0x690 [ 643.621520] ? find_get_pages_range_tag+0x1320/0x1320 [ 643.626735] ? graph_lock+0x170/0x170 [ 643.630588] ? kasan_check_read+0x11/0x20 [ 643.634752] ? debug_object_destroy+0x2b0/0x2b0 [ 643.639439] ? lock_acquire+0x1ed/0x520 [ 643.643421] ? ext4_filemap_fault+0x7a/0xad [ 643.647755] ? lock_release+0x970/0x970 [ 643.651737] ? arch_local_save_flags+0x40/0x40 [ 643.656336] ? futex_wait_setup+0x3e0/0x3e0 [ 643.660707] ? down_read+0xb0/0x1d0 [ 643.664339] ? ext4_filemap_fault+0x7a/0xad [ 643.668670] ? __down_interruptible+0x700/0x700 [ 643.673366] ext4_filemap_fault+0x82/0xad [ 643.677526] __do_fault+0x100/0x6b0 [ 643.681177] ? print_bad_pte+0x6c0/0x6c0 [ 643.685249] ? do_futex+0x249/0x26d0 [ 643.688970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.694516] ? check_preemption_disabled+0x48/0x280 [ 643.699545] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 643.704330] ? pmd_val+0x88/0x100 [ 643.707792] ? add_mm_counter_fast+0xd0/0xd0 [ 643.712205] ? pmd_val+0x88/0x100 [ 643.715665] ? add_mm_counter_fast+0xd0/0xd0 [ 643.720085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.725637] __handle_mm_fault+0x3709/0x53e0 [ 643.730079] ? debug_smp_processor_id+0x1c/0x20 [ 643.734764] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 643.739614] ? graph_lock+0x170/0x170 [ 643.743418] ? print_usage_bug+0xc0/0xc0 [ 643.747968] ? should_fail+0xaf/0xd01 [ 643.751777] ? graph_lock+0x170/0x170 [ 643.755594] ? graph_lock+0x170/0x170 [ 643.759425] ? handle_mm_fault+0x42a/0xc70 [ 643.763661] ? lock_downgrade+0x900/0x900 [ 643.767818] ? check_preemption_disabled+0x48/0x280 [ 643.772848] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 643.778654] ? kasan_check_read+0x11/0x20 [ 643.782809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 643.788091] ? rcu_bh_qs+0xc0/0xc0 [ 643.791637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 643.797092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.802651] ? check_preemption_disabled+0x48/0x280 [ 643.807685] handle_mm_fault+0x54f/0xc70 [ 643.811759] ? __handle_mm_fault+0x53e0/0x53e0 [ 643.816348] ? find_vma+0x34/0x190 [ 643.819900] __do_page_fault+0x67d/0xed0 [ 643.823977] ? mm_fault_error+0x380/0x380 [ 643.828133] ? trace_hardirqs_off+0xb8/0x310 [ 643.832559] ? trace_hardirqs_on+0x310/0x310 [ 643.836984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 643.842353] ? trace_hardirqs_on+0x310/0x310 [ 643.846775] do_page_fault+0xf2/0x7e0 [ 643.850597] ? vmalloc_sync_all+0x30/0x30 [ 643.854750] ? error_entry+0x70/0xd0 [ 643.858490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.863514] ? trace_hardirqs_on_caller+0xc0/0x310 [ 643.868453] ? syscall_return_slowpath+0x5e0/0x5e0 [ 643.873395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.878255] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.883285] ? trace_hardirqs_off+0x310/0x310 [ 643.887802] ? prepare_exit_to_usermode+0x291/0x3b0 [ 643.892835] ? page_fault+0x8/0x30 [ 643.896392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.901251] ? page_fault+0x8/0x30 [ 643.904802] page_fault+0x1e/0x30 [ 643.908278] RIP: 0033:0x45ddf3 [ 643.911587] Code: Bad RIP value. [ 643.914957] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 643.920761] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 643.928056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 643.935330] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 643.942612] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 643.949888] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 643.957224] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 643.957309] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 643.964523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 643.964529] Call Trace: [ 643.964536] [ 643.964575] dump_stack+0x1c4/0x2b6 [ 643.964592] ? dump_stack_print_info.cold.1+0x20/0x20 [ 643.964627] warn_alloc.cold.119+0xb7/0x1bd [ 643.971245] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 643.980507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 643.983073] syz-fuzzer cpuset=/ [ 643.985240] ? lock_downgrade+0x900/0x900 [ 643.988851] mems_allowed=0 [ 643.994054] ? trace_hardirqs_off+0xb8/0x310 [ 644.028195] ? trace_hardirqs_off+0xb8/0x310 [ 644.032636] __alloc_pages_slowpath+0x265e/0x2d70 [ 644.037528] ? warn_alloc+0x120/0x120 [ 644.041356] ? warn_alloc+0x120/0x120 [ 644.045169] ? print_usage_bug+0xc0/0xc0 [ 644.049239] ? warn_alloc+0x120/0x120 [ 644.053050] ? print_usage_bug+0xc0/0xc0 [ 644.057130] ? mark_held_locks+0x130/0x130 [ 644.061399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.066950] ? should_fail+0x22d/0xd01 [ 644.070856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 644.075973] ? __lock_acquire+0x7ec/0x4ec0 [ 644.080222] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 644.085334] ? __lock_acquire+0x7ec/0x4ec0 [ 644.089582] ? should_fail+0x22d/0xd01 [ 644.093500] ? mark_held_locks+0x130/0x130 [ 644.097752] ? mark_held_locks+0x130/0x130 [ 644.102001] ? lock_downgrade+0x900/0x900 [ 644.106253] ? graph_lock+0x170/0x170 [ 644.110071] ? graph_lock+0x170/0x170 [ 644.113886] ? graph_lock+0x170/0x170 [ 644.117698] ? print_usage_bug+0xc0/0xc0 [ 644.122137] ? do_raw_spin_unlock+0xa7/0x330 [ 644.126571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.132132] ? check_preemption_disabled+0x48/0x280 [ 644.137149] ? check_preemption_disabled+0x48/0x280 [ 644.142198] ? __lock_is_held+0xb5/0x140 [ 644.146281] __alloc_pages_nodemask+0xa80/0xde0 [ 644.150966] ? graph_lock+0x170/0x170 [ 644.154786] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 644.159815] ? graph_lock+0x170/0x170 [ 644.163639] ? find_held_lock+0x36/0x1c0 [ 644.167724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 644.172406] ? lock_downgrade+0x900/0x900 [ 644.176584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.182148] cache_grow_begin+0x91/0x8c0 [ 644.186236] ? do_raw_spin_unlock+0xa7/0x330 [ 644.190664] fallback_alloc+0x203/0x2e0 [ 644.194663] ____cache_alloc_node+0x1c7/0x1e0 [ 644.199175] kmem_cache_alloc_node+0xe3/0x730 [ 644.203695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 644.208806] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 644.213403] __alloc_skb+0x119/0x770 [ 644.217129] ? calc_wheel_index+0x220/0x220 [ 644.221470] ? skb_scrub_packet+0x490/0x490 [ 644.225809] ? vprintk_default+0x28/0x30 [ 644.229877] ? vprintk_func+0x85/0x181 [ 644.233778] ? printk+0xa7/0xcf [ 644.237073] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 644.241849] new_skb+0x26/0x1c0 [ 644.245139] aoecmd_cfg+0x279/0x7f0 [ 644.248779] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 644.253111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.258663] ? check_preemption_disabled+0x48/0x280 [ 644.263689] ? check_preemption_disabled+0x48/0x280 [ 644.268732] ? __lock_is_held+0xb5/0x140 [ 644.272822] discover_timer+0x50/0x60 [ 644.276636] call_timer_fn+0x272/0x920 [ 644.280537] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.285422] ? process_timeout+0x40/0x40 [ 644.289492] ? find_held_lock+0x36/0x1c0 [ 644.293602] ? __run_timers+0x7da/0xc70 [ 644.297598] ? _raw_spin_unlock_irq+0x27/0x80 [ 644.302112] ? _raw_spin_unlock_irq+0x27/0x80 [ 644.306628] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.311482] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 644.316080] ? trace_hardirqs_on+0xbd/0x310 [ 644.320436] ? kasan_check_read+0x11/0x20 [ 644.324598] ? __run_timers+0x7da/0xc70 [ 644.328598] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 644.334081] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.338932] __run_timers+0x7e5/0xc70 [ 644.342752] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 644.348124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 644.353171] ? graph_lock+0x170/0x170 [ 644.356981] ? enqueue_hrtimer+0x1a5/0x560 [ 644.361220] ? lock_release+0x970/0x970 [ 644.365199] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 644.370399] ? find_held_lock+0x36/0x1c0 [ 644.374470] ? graph_lock+0x170/0x170 [ 644.378275] ? pvclock_read_flags+0x160/0x160 [ 644.382776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.388320] ? check_preemption_disabled+0x48/0x280 [ 644.393352] ? __lock_is_held+0xb5/0x140 [ 644.397429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.402971] ? check_preemption_disabled+0x48/0x280 [ 644.408004] run_timer_softirq+0x52/0xb0 [ 644.412077] ? rcu_read_lock_sched_held+0x108/0x120 [ 644.417103] __do_softirq+0x30c/0xb03 [ 644.420938] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 644.426086] ? pvclock_read_flags+0x160/0x160 [ 644.430589] ? lapic_next_event+0x5a/0x90 [ 644.434742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.440298] ? check_preemption_disabled+0x48/0x280 [ 644.445318] ? check_preemption_disabled+0x48/0x280 [ 644.450346] ? kvm_clock_read+0x18/0x30 [ 644.454322] ? kvm_sched_clock_read+0x9/0x20 [ 644.458762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.464312] ? check_preemption_disabled+0x48/0x280 [ 644.469359] irq_exit+0x17f/0x1c0 [ 644.472824] smp_apic_timer_interrupt+0x1cb/0x760 [ 644.477667] ? smp_reschedule_interrupt+0x109/0x650 [ 644.482689] ? smp_call_function_single_interrupt+0x650/0x650 [ 644.488587] ? interrupt_entry+0xb5/0xf0 [ 644.492679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 644.497714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 644.502748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.507624] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.512670] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.517690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.523234] ? check_preemption_disabled+0x48/0x280 [ 644.528250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.533797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.538653] apic_timer_interrupt+0xf/0x20 [ 644.542886] [ 644.545159] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 644.550098] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 644.569015] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 644.576734] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 644.584029] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 644.591325] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 644.598597] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 644.605865] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 644.613188] skb_clone+0x1bb/0x500 [ 644.616735] ? skb_split+0x11e0/0x11e0 [ 644.620632] ? preempt_notifier_register+0x200/0x200 [ 644.625754] ? __switch_to_asm+0x34/0x70 [ 644.629834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 644.634609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 644.639381] bpf_clone_redirect+0xb9/0x490 [ 644.643631] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 644.648659] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 644.653443] ? find_held_lock+0x36/0x1c0 [ 644.657516] ? lock_acquire+0x1ed/0x520 [ 644.661499] ? bpf_test_run+0x3cb/0x780 [ 644.665475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.671021] ? check_preemption_disabled+0x48/0x280 [ 644.676086] ? kasan_check_read+0x11/0x20 [ 644.680239] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 644.685521] ? rcu_bh_qs+0xc0/0xc0 [ 644.689078] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 644.694280] ? bpf_test_run+0x25d/0x780 [ 644.698271] ? netlink_diag_dump+0x2a0/0x2a0 [ 644.702692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.708235] ? bpf_test_init.isra.10+0x70/0x100 [ 644.712921] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 644.717690] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 644.722531] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 644.728124] ? fput+0x130/0x1a0 [ 644.731412] ? __bpf_prog_get+0x9b/0x290 [ 644.735481] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 644.740323] ? bpf_prog_test_run+0x130/0x1a0 [ 644.744745] ? __x64_sys_bpf+0x3d8/0x520 [ 644.748810] ? bpf_prog_get+0x20/0x20 [ 644.752636] ? do_syscall_64+0x1b9/0x820 [ 644.756705] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 644.762080] ? syscall_return_slowpath+0x5e0/0x5e0 [ 644.767015] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.772039] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 644.777081] ? recalc_sigpending_tsk+0x180/0x180 [ 644.781843] ? kasan_check_write+0x14/0x20 [ 644.786092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.790968] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 644.796368] warn_alloc_show_mem: 1 callbacks suppressed [ 644.796381] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 644.796383] Mem-Info: [ 644.796415] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 644.796415] active_file:13 inactive_file:34 isolated_file:0 [ 644.796415] unevictable:0 dirty:0 writeback:0 unstable:0 [ 644.796415] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 644.796415] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 644.796415] free:13625 free_pcp:139 free_cma:0 [ 644.801759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 644.801768] Call Trace: [ 644.808790] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 644.811195] [ 644.844069] Node 0 [ 644.854314] dump_stack+0x1c4/0x2b6 [ 644.856899] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 644.884463] ? dump_stack_print_info.cold.1+0x20/0x20 [ 644.886586] lowmem_reserve[]: [ 644.888836] warn_alloc.cold.119+0xb7/0x1bd [ 644.892431] 0 [ 644.917935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 644.923098] 2819 6323 [ 644.926229] ? lock_downgrade+0x900/0x900 [ 644.930527] 6323 [ 644.932343] ? trace_hardirqs_off+0xb8/0x310 [ 644.937163] Node 0 [ 644.939660] ? trace_hardirqs_off+0xb8/0x310 [ 644.943822] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 644.945865] __alloc_pages_slowpath+0x265e/0x2d70 [ 644.950259] lowmem_reserve[]: [ 644.952521] ? warn_alloc+0x120/0x120 [ 644.956879] 0 0 [ 644.984038] ? trace_hardirqs_on+0x310/0x310 [ 644.988865] 3503 [ 644.991975] ? warn_alloc+0x120/0x120 [ 644.995748] 3503 [ 644.997733] ? print_usage_bug+0xc0/0xc0 [ 645.002119] Node 0 [ 645.004196] ? warn_alloc+0x120/0x120 [ 645.008000] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 645.010037] ? ktime_get+0x2e1/0x440 [ 645.014074] lowmem_reserve[]: 0 [ 645.016323] ? print_usage_bug+0xc0/0xc0 [ 645.020105] 0 [ 645.048471] ? __lock_acquire+0x7ec/0x4ec0 [ 645.052157] 0 0 [ 645.055449] ? __lock_acquire+0x7ec/0x4ec0 [ 645.061299] ? kasan_check_read+0x11/0x20 [ 645.065514] Node 0 [ 645.067490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.071704] DMA: [ 645.075854] ? should_fail+0x22d/0xd01 [ 645.078075] 1*4kB [ 645.083611] ? rcu_bh_qs+0xc0/0xc0 [ 645.085657] (U) [ 645.089549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.091691] 0*8kB [ 645.095227] ? __lock_acquire+0x7ec/0x4ec0 [ 645.097187] 0*16kB [ 645.102286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.104417] 1*32kB [ 645.108684] ? __lock_acquire+0x7ec/0x4ec0 [ 645.110902] (U) [ 645.116010] ? should_fail+0x22d/0xd01 [ 645.118223] 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 645.118262] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24868kB [ 645.118328] Node 0 Normal: 871*4kB (MEH) 470*8kB (MEH) 180*16kB (UMEH) 61*32kB (UME) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13292kB [ 645.118387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 645.118393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 645.118396] 238 total pagecache pages [ 645.118406] 0 pages in swap cache [ 645.118411] Swap cache stats: add 0, delete 0, find 0/0 [ 645.118414] Free swap = 0kB [ 645.118417] Total swap = 0kB [ 645.118422] 1965979 pages RAM [ 645.118424] 0 pages HighMem/MovableOnly [ 645.118427] 342306 pages reserved [ 645.118430] 0 pages cma reserved [ 645.118493] aoe: skb alloc failure [ 645.118524] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 645.118530] syz-executor4 cpuset=syz4 mems_allowed=0 [ 645.236784] ? rcu_idle_enter+0x4b0/0x4b0 [ 645.240946] ? mark_held_locks+0x130/0x130 [ 645.245188] ? mark_held_locks+0x130/0x130 [ 645.249432] ? mark_held_locks+0xc7/0x130 [ 645.253594] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 645.258611] ? graph_lock+0x170/0x170 [ 645.262413] ? print_usage_bug+0xc0/0xc0 [ 645.266482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.272024] ? check_preemption_disabled+0x48/0x280 [ 645.277046] ? check_preemption_disabled+0x48/0x280 [ 645.282078] ? __lock_is_held+0xb5/0x140 [ 645.286156] __alloc_pages_nodemask+0xa80/0xde0 [ 645.290826] ? graph_lock+0x170/0x170 [ 645.294633] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 645.299651] ? graph_lock+0x170/0x170 [ 645.303468] ? find_held_lock+0x36/0x1c0 [ 645.307547] ? ____cache_alloc_node+0x1c7/0x1e0 [ 645.312238] ? lock_downgrade+0x900/0x900 [ 645.316396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.321948] cache_grow_begin+0x91/0x8c0 [ 645.326012] ? do_raw_spin_unlock+0xa7/0x330 [ 645.330443] fallback_alloc+0x203/0x2e0 [ 645.334426] ____cache_alloc_node+0x1c7/0x1e0 [ 645.338958] kmem_cache_alloc_node+0xe3/0x730 [ 645.343484] ? ipv6_get_ifaddr+0x42e/0x620 [ 645.347734] __alloc_skb+0x119/0x770 [ 645.351453] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 645.356738] ? skb_scrub_packet+0x490/0x490 [ 645.361063] ? lock_downgrade+0x900/0x900 [ 645.365225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.370769] ? refcount_sub_and_test_checked+0x203/0x310 [ 645.376229] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 645.381684] ? addrconf_rs_timer+0x690/0x690 [ 645.386111] ndisc_alloc_skb+0x144/0x340 [ 645.390183] ndisc_send_rs+0x331/0x6e0 [ 645.394078] addrconf_rs_timer+0x314/0x690 [ 645.398321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.402591] call_timer_fn+0x272/0x920 [ 645.406481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.410725] ? process_timeout+0x40/0x40 [ 645.414786] ? find_held_lock+0x36/0x1c0 [ 645.418859] ? mark_held_locks+0xc7/0x130 [ 645.423015] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.427515] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.432013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.436251] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 645.440840] ? trace_hardirqs_on+0xbd/0x310 [ 645.445169] ? kasan_check_read+0x11/0x20 [ 645.449320] ? __run_timers+0x7da/0xc70 [ 645.453296] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 645.458753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.462995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.467235] __run_timers+0x7e5/0xc70 [ 645.471052] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 645.476424] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 645.481447] ? graph_lock+0x170/0x170 [ 645.485257] ? print_usage_bug+0xc0/0xc0 [ 645.489320] ? enqueue_hrtimer+0x1a5/0x560 [ 645.493575] ? lock_release+0x970/0x970 [ 645.497579] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 645.502782] ? find_held_lock+0x36/0x1c0 [ 645.506850] ? graph_lock+0x170/0x170 [ 645.510661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.516202] ? check_preemption_disabled+0x48/0x280 [ 645.521232] ? __lock_is_held+0xb5/0x140 [ 645.525296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.530877] ? check_preemption_disabled+0x48/0x280 [ 645.535902] run_timer_softirq+0x52/0xb0 [ 645.539970] ? rcu_read_lock_sched_held+0x108/0x120 [ 645.544988] __do_softirq+0x30c/0xb03 [ 645.548804] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 645.553915] ? pvclock_read_flags+0x160/0x160 [ 645.558411] ? lapic_next_event+0x5a/0x90 [ 645.562576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.568127] ? check_preemption_disabled+0x48/0x280 [ 645.573143] ? check_preemption_disabled+0x48/0x280 [ 645.578171] ? kvm_clock_read+0x18/0x30 [ 645.582147] ? kvm_sched_clock_read+0x9/0x20 [ 645.586577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.592852] ? check_preemption_disabled+0x48/0x280 [ 645.597906] irq_exit+0x17f/0x1c0 [ 645.601362] smp_apic_timer_interrupt+0x1cb/0x760 [ 645.606207] ? smp_reschedule_interrupt+0x109/0x650 [ 645.611225] ? smp_call_function_single_interrupt+0x650/0x650 [ 645.617114] ? interrupt_entry+0xb5/0xf0 [ 645.621192] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.626232] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.631255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.636106] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.641127] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.646152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.651697] ? check_preemption_disabled+0x48/0x280 [ 645.656723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.662282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.667141] apic_timer_interrupt+0xf/0x20 [ 645.671376] [ 645.673623] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 645.678818] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 645.697723] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 645.705437] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 645.712703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 645.719970] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 645.727238] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 645.734504] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 645.741820] retint_kernel+0x1b/0x2d [ 645.745581] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 645.750859] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 645.770931] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 645.778644] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 645.785909] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 645.793176] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 645.800447] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 645.807719] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 645.815014] ? arch_local_irq_restore+0x45/0x52 [ 645.819696] dump_stack+0x26a/0x2b6 [ 645.823343] ? dump_stack_print_info.cold.1+0x20/0x20 [ 645.828562] ? mark_held_locks+0x130/0x130 [ 645.832811] ? mark_held_locks+0x130/0x130 [ 645.837060] dump_header+0x27b/0xf72 [ 645.840789] ? pagefault_out_of_memory+0x197/0x197 [ 645.845733] ? __lock_acquire+0x7ec/0x4ec0 [ 645.849976] ? print_usage_bug+0xc0/0xc0 [ 645.854045] ? graph_lock+0x170/0x170 [ 645.857858] ? graph_lock+0x170/0x170 [ 645.861659] ? print_usage_bug+0xc0/0xc0 [ 645.865717] ? print_usage_bug+0xc0/0xc0 [ 645.869783] ? print_usage_bug+0xc0/0xc0 [ 645.873858] ? find_held_lock+0x36/0x1c0 [ 645.877930] ? mark_held_locks+0xc7/0x130 [ 645.882090] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 645.887210] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 645.892317] ? lockdep_hardirqs_on+0x421/0x5c0 [ 645.896906] ? trace_hardirqs_on+0xbd/0x310 [ 645.901232] ? kasan_check_read+0x11/0x20 [ 645.905379] ? ___ratelimit+0x36f/0x655 [ 645.909356] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 645.914821] ? trace_hardirqs_on+0x310/0x310 [ 645.919234] ? lock_downgrade+0x900/0x900 [ 645.923394] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 645.928510] ? ___ratelimit+0xaa/0x655 [ 645.932407] ? idr_get_free+0xec0/0xec0 [ 645.936393] ? kasan_check_write+0x14/0x20 [ 645.940633] ? do_raw_spin_lock+0xc1/0x230 [ 645.944882] oom_kill_process.cold.27+0x10/0x903 [ 645.949644] ? graph_lock+0x170/0x170 [ 645.953447] ? _raw_spin_unlock+0x2c/0x50 [ 645.957600] ? oom_badness+0xe6/0xaa0 [ 645.961411] ? oom_evaluate_task+0x540/0x540 [ 645.965831] ? find_held_lock+0x36/0x1c0 [ 645.969906] ? out_of_memory+0x974/0x1430 [ 645.974062] ? lock_downgrade+0x900/0x900 [ 645.978220] ? check_preemption_disabled+0x48/0x280 [ 645.983247] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 645.989049] ? kasan_check_read+0x11/0x20 [ 645.993206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 645.998489] ? rcu_bh_qs+0xc0/0xc0 [ 646.002036] ? kasan_check_write+0x14/0x20 [ 646.006276] ? oom_evaluate_task+0x302/0x540 [ 646.010697] out_of_memory+0xa84/0x1430 [ 646.014686] ? oom_killer_disable+0x3a0/0x3a0 [ 646.019186] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 646.024125] ? __mutex_add_waiter+0x2a0/0x2a0 [ 646.028637] __alloc_pages_slowpath+0x230f/0x2d70 [ 646.033519] ? warn_alloc+0x120/0x120 [ 646.037327] ? __radix_tree_lookup+0x4c0/0x4c0 [ 646.041930] ? find_get_entry+0x2f2/0xc40 [ 646.046089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.051639] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 646.056582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.062124] ? should_fail+0x22d/0xd01 [ 646.066020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.071130] ? __lock_is_held+0xb5/0x140 [ 646.075225] ? __lock_is_held+0xb5/0x140 [ 646.079314] ? find_held_lock+0x36/0x1c0 [ 646.083387] ? ___might_sleep+0x1ed/0x300 [ 646.087532] ? lock_release+0x970/0x970 [ 646.091535] ? arch_local_save_flags+0x40/0x40 [ 646.096145] ? __might_sleep+0x95/0x190 [ 646.100146] __alloc_pages_nodemask+0xa80/0xde0 [ 646.104832] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 646.109853] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 646.115655] ? kasan_check_read+0x11/0x20 [ 646.120324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 646.125608] ? graph_lock+0x170/0x170 [ 646.129416] ? print_usage_bug+0xc0/0xc0 [ 646.133499] ? graph_lock+0x170/0x170 [ 646.137297] ? graph_lock+0x170/0x170 [ 646.141101] ? __do_page_cache_readahead+0x7ce/0x980 [ 646.146212] ? find_held_lock+0x36/0x1c0 [ 646.150296] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 646.155853] alloc_pages_current+0x10c/0x210 [ 646.160263] ? lock_downgrade+0x900/0x900 [ 646.164426] __page_cache_alloc+0x38f/0x5b0 [ 646.168750] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 646.174560] ? kasan_check_read+0x11/0x20 [ 646.179488] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 646.184773] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 646.189451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.194995] ? check_preemption_disabled+0x48/0x280 [ 646.200025] filemap_fault+0x1594/0x25f0 [ 646.204108] ? __lock_page_or_retry+0xa00/0xa00 [ 646.208783] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 646.214593] ? kasan_check_read+0x11/0x20 [ 646.218746] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 646.224031] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 646.229137] ? rcu_bh_qs+0xc0/0xc0 [ 646.232682] ? trace_hardirqs_on+0xbd/0x310 [ 646.237007] ? kasan_check_read+0x11/0x20 [ 646.241159] ? __free_object+0x173/0x340 [ 646.245232] ? filemap_map_pages+0xdea/0x1980 [ 646.249739] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 646.254851] ? __free_object+0x173/0x340 [ 646.258919] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 646.264202] ? debug_object_free+0x325/0x690 [ 646.268621] ? find_get_pages_range_tag+0x1320/0x1320 [ 646.273823] ? graph_lock+0x170/0x170 [ 646.277640] ? kasan_check_read+0x11/0x20 [ 646.281802] ? debug_object_destroy+0x2b0/0x2b0 [ 646.286489] ? lock_acquire+0x1ed/0x520 [ 646.290466] ? ext4_filemap_fault+0x7a/0xad [ 646.294799] ? lock_release+0x970/0x970 [ 646.298782] ? arch_local_save_flags+0x40/0x40 [ 646.303377] ? futex_wait_setup+0x3e0/0x3e0 [ 646.307721] ? down_read+0xb0/0x1d0 [ 646.311350] ? ext4_filemap_fault+0x7a/0xad [ 646.315676] ? __down_interruptible+0x700/0x700 [ 646.320370] ext4_filemap_fault+0x82/0xad [ 646.324527] __do_fault+0x100/0x6b0 [ 646.328180] ? print_bad_pte+0x6c0/0x6c0 [ 646.332245] ? do_futex+0x249/0x26d0 [ 646.335966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.341508] ? check_preemption_disabled+0x48/0x280 [ 646.346530] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 646.351302] ? pmd_val+0x88/0x100 [ 646.354759] ? add_mm_counter_fast+0xd0/0xd0 [ 646.359175] ? pmd_val+0x88/0x100 [ 646.362638] ? add_mm_counter_fast+0xd0/0xd0 [ 646.367066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.372618] __handle_mm_fault+0x3709/0x53e0 [ 646.377028] ? debug_smp_processor_id+0x1c/0x20 [ 646.381710] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 646.386574] ? graph_lock+0x170/0x170 [ 646.390382] ? print_usage_bug+0xc0/0xc0 [ 646.394448] ? should_fail+0xaf/0xd01 [ 646.398258] ? graph_lock+0x170/0x170 [ 646.402064] ? graph_lock+0x170/0x170 [ 646.405894] ? handle_mm_fault+0x42a/0xc70 [ 646.410136] ? lock_downgrade+0x900/0x900 [ 646.414287] ? check_preemption_disabled+0x48/0x280 [ 646.419317] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 646.425117] ? kasan_check_read+0x11/0x20 [ 646.429270] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 646.434563] ? rcu_bh_qs+0xc0/0xc0 [ 646.438119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 646.443590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.449137] ? check_preemption_disabled+0x48/0x280 [ 646.454168] handle_mm_fault+0x54f/0xc70 [ 646.458240] ? __handle_mm_fault+0x53e0/0x53e0 [ 646.462833] ? find_vma+0x34/0x190 [ 646.466390] __do_page_fault+0x67d/0xed0 [ 646.470466] ? mm_fault_error+0x380/0x380 [ 646.474618] ? trace_hardirqs_off+0xb8/0x310 [ 646.479033] ? trace_hardirqs_on+0x310/0x310 [ 646.483446] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.488813] ? trace_hardirqs_on+0x310/0x310 [ 646.493234] do_page_fault+0xf2/0x7e0 [ 646.497040] ? vmalloc_sync_all+0x30/0x30 [ 646.501189] ? error_entry+0x70/0xd0 [ 646.504911] ? trace_hardirqs_off_caller+0xbb/0x310 [ 646.509929] ? trace_hardirqs_on_caller+0xc0/0x310 [ 646.514860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 646.519794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.524641] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.529658] ? trace_hardirqs_off+0x310/0x310 [ 646.534165] ? prepare_exit_to_usermode+0x291/0x3b0 [ 646.539183] ? page_fault+0x8/0x30 [ 646.542740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.547598] ? page_fault+0x8/0x30 [ 646.551146] page_fault+0x1e/0x30 [ 646.554602] RIP: 0033:0x45ddf3 [ 646.557803] Code: Bad RIP value. [ 646.561170] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 646.566536] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 646.573819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 646.581091] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 646.588365] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 646.595638] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 646.602941] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 646.603026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 646.610228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.610234] Call Trace: [ 646.610241] [ 646.610261] dump_stack+0x1c4/0x2b6 [ 646.610281] ? dump_stack_print_info.cold.1+0x20/0x20 [ 646.616823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 646.626129] warn_alloc.cold.119+0xb7/0x1bd [ 646.628687] syz-fuzzer cpuset= [ 646.630837] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 646.634446] / [ 646.639639] ? lock_downgrade+0x900/0x900 [ 646.649845] mems_allowed=0 [ 646.654167] ? trace_hardirqs_off+0xb8/0x310 [ 646.675333] ? trace_hardirqs_off+0xb8/0x310 [ 646.679760] __alloc_pages_slowpath+0x265e/0x2d70 [ 646.684649] ? warn_alloc+0x120/0x120 [ 646.688461] ? warn_alloc+0x120/0x120 [ 646.692271] ? print_usage_bug+0xc0/0xc0 [ 646.696339] ? warn_alloc+0x120/0x120 [ 646.700141] ? lock_release+0x970/0x970 [ 646.704121] ? print_usage_bug+0xc0/0xc0 [ 646.708186] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 646.713392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.718936] ? should_fail+0x22d/0xd01 [ 646.722835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.727942] ? __lock_acquire+0x7ec/0x4ec0 [ 646.732185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.737288] ? __lock_acquire+0x7ec/0x4ec0 [ 646.741530] ? should_fail+0x22d/0xd01 [ 646.745434] ? mark_held_locks+0x130/0x130 [ 646.749686] ? mark_held_locks+0x130/0x130 [ 646.753932] ? mark_held_locks+0x130/0x130 [ 646.758167] ? kvm_clock_read+0x18/0x30 [ 646.762140] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 646.767164] ? ktime_get+0x2e1/0x440 [ 646.770888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.776434] ? graph_lock+0x170/0x170 [ 646.780248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.785793] ? check_preemption_disabled+0x48/0x280 [ 646.790813] ? check_preemption_disabled+0x48/0x280 [ 646.795850] ? __lock_is_held+0xb5/0x140 [ 646.799928] __alloc_pages_nodemask+0xa80/0xde0 [ 646.804603] ? graph_lock+0x170/0x170 [ 646.808414] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 646.813433] ? graph_lock+0x170/0x170 [ 646.817253] ? find_held_lock+0x36/0x1c0 [ 646.821336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 646.826014] ? lock_downgrade+0x900/0x900 [ 646.830179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.835728] cache_grow_begin+0x91/0x8c0 [ 646.839796] ? do_raw_spin_unlock+0xa7/0x330 [ 646.844219] fallback_alloc+0x203/0x2e0 [ 646.848207] ____cache_alloc_node+0x1c7/0x1e0 [ 646.852714] kmem_cache_alloc_node+0xe3/0x730 [ 646.857221] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 646.862329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 646.866928] __alloc_skb+0x119/0x770 [ 646.870654] ? calc_wheel_index+0x220/0x220 [ 646.874987] ? skb_scrub_packet+0x490/0x490 [ 646.879329] ? vprintk_default+0x28/0x30 [ 646.883395] ? vprintk_func+0x85/0x181 [ 646.887291] ? printk+0xa7/0xcf [ 646.890588] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 646.895379] new_skb+0x26/0x1c0 [ 646.898669] aoecmd_cfg+0x279/0x7f0 [ 646.902310] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 646.906647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.912196] ? check_preemption_disabled+0x48/0x280 [ 646.917220] ? check_preemption_disabled+0x48/0x280 [ 646.922257] ? __lock_is_held+0xb5/0x140 [ 646.926342] discover_timer+0x50/0x60 [ 646.930153] call_timer_fn+0x272/0x920 [ 646.934050] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.938905] ? process_timeout+0x40/0x40 [ 646.942971] ? find_held_lock+0x36/0x1c0 [ 646.947060] ? __run_timers+0x7da/0xc70 [ 646.951052] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.955565] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.960070] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.964919] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 646.969507] ? trace_hardirqs_on+0xbd/0x310 [ 646.973833] ? kasan_check_read+0x11/0x20 [ 646.977993] ? __run_timers+0x7da/0xc70 [ 646.981973] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 646.987444] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.992297] __run_timers+0x7e5/0xc70 [ 646.996123] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 647.001495] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 647.006517] ? graph_lock+0x170/0x170 [ 647.010335] ? enqueue_hrtimer+0x1a5/0x560 [ 647.014578] ? lock_release+0x970/0x970 [ 647.018571] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 647.023776] ? find_held_lock+0x36/0x1c0 [ 647.027848] ? graph_lock+0x170/0x170 [ 647.031657] ? pvclock_read_flags+0x160/0x160 [ 647.036157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.041702] ? check_preemption_disabled+0x48/0x280 [ 647.046736] ? __lock_is_held+0xb5/0x140 [ 647.050808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.056349] ? check_preemption_disabled+0x48/0x280 [ 647.061381] run_timer_softirq+0x52/0xb0 [ 647.065451] ? rcu_read_lock_sched_held+0x108/0x120 [ 647.070471] __do_softirq+0x30c/0xb03 [ 647.074288] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 647.079404] ? pvclock_read_flags+0x160/0x160 [ 647.083902] ? lapic_next_event+0x5a/0x90 [ 647.088061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.093609] ? check_preemption_disabled+0x48/0x280 [ 647.098634] ? check_preemption_disabled+0x48/0x280 [ 647.103661] ? kvm_clock_read+0x18/0x30 [ 647.107641] ? kvm_sched_clock_read+0x9/0x20 [ 647.112055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.117612] ? check_preemption_disabled+0x48/0x280 [ 647.122652] irq_exit+0x17f/0x1c0 [ 647.126116] smp_apic_timer_interrupt+0x1cb/0x760 [ 647.130961] ? smp_reschedule_interrupt+0x109/0x650 [ 647.135982] ? smp_call_function_single_interrupt+0x650/0x650 [ 647.141877] ? interrupt_entry+0xb5/0xf0 [ 647.145945] ? trace_hardirqs_off_caller+0xbb/0x310 [ 647.150967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 647.155987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.160836] ? trace_hardirqs_on_caller+0x310/0x310 [ 647.165854] ? trace_hardirqs_on_caller+0x310/0x310 [ 647.170875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.176423] ? check_preemption_disabled+0x48/0x280 [ 647.181455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.187009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.191870] apic_timer_interrupt+0xf/0x20 [ 647.196101] [ 647.198348] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 647.203288] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 647.222197] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 647.230442] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 647.237723] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 647.244996] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 647.252267] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 647.259533] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 647.266872] skb_clone+0x1bb/0x500 [ 647.270418] ? skb_split+0x11e0/0x11e0 [ 647.274311] ? preempt_notifier_register+0x200/0x200 [ 647.279415] ? __switch_to_asm+0x34/0x70 [ 647.283485] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 647.288274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 647.293043] bpf_clone_redirect+0xb9/0x490 [ 647.297298] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 647.302328] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 647.307100] ? find_held_lock+0x36/0x1c0 [ 647.311175] ? lock_acquire+0x1ed/0x520 [ 647.315154] ? bpf_test_run+0x3cb/0x780 [ 647.319137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.324680] ? check_preemption_disabled+0x48/0x280 [ 647.329707] ? kasan_check_read+0x11/0x20 [ 647.333867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 647.339149] ? rcu_bh_qs+0xc0/0xc0 [ 647.342696] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 647.347900] ? bpf_test_run+0x25d/0x780 [ 647.351889] ? netlink_diag_dump+0x2a0/0x2a0 [ 647.356305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.361842] ? bpf_test_init.isra.10+0x70/0x100 [ 647.366520] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 647.371299] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 647.376143] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 647.381694] ? fput+0x130/0x1a0 [ 647.384978] ? __bpf_prog_get+0x9b/0x290 [ 647.389044] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 647.393923] ? bpf_prog_test_run+0x130/0x1a0 [ 647.398338] ? __x64_sys_bpf+0x3d8/0x520 [ 647.402416] ? bpf_prog_get+0x20/0x20 [ 647.406242] ? do_syscall_64+0x1b9/0x820 [ 647.410312] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 647.415684] ? syscall_return_slowpath+0x5e0/0x5e0 [ 647.420622] ? trace_hardirqs_on_caller+0x310/0x310 [ 647.425642] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 647.430666] ? recalc_sigpending_tsk+0x180/0x180 [ 647.435428] ? kasan_check_write+0x14/0x20 [ 647.439674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.444534] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 647.449932] warn_alloc_show_mem: 1 callbacks suppressed [ 647.449945] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 647.449947] Mem-Info: [ 647.449979] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 647.449979] active_file:13 inactive_file:34 isolated_file:0 [ 647.449979] unevictable:0 dirty:0 writeback:0 unstable:0 [ 647.449979] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 647.449979] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 647.449979] free:13625 free_pcp:139 free_cma:0 [ 647.455329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 647.462359] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 647.464763] Call Trace: [ 647.497633] Node 0 [ 647.506980] [ 647.534624] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 647.534633] lowmem_reserve[]: [ 647.538026] dump_stack+0x1c4/0x2b6 [ 647.540243] 0 [ 647.542395] ? dump_stack_print_info.cold.1+0x20/0x20 [ 647.567873] 2819 6323 [ 647.571006] warn_alloc.cold.119+0xb7/0x1bd [ 647.574597] 6323 [ 647.576401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 647.581575] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 647.584093] ? lock_downgrade+0x900/0x900 [ 647.588392] lowmem_reserve[]: [ 647.590458] ? trace_hardirqs_off+0xb8/0x310 [ 647.595265] 0 0 [ 647.623046] ? trace_hardirqs_off+0xb8/0x310 [ 647.627168] 3503 3503 [ 647.630285] __alloc_pages_slowpath+0x265e/0x2d70 [ 647.634666] Node 0 [ 647.636690] ? warn_alloc+0x120/0x120 [ 647.641107] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 647.643577] ? lock_release+0x970/0x970 [ 647.648404] lowmem_reserve[]: [ 647.650643] ? warn_alloc+0x120/0x120 [ 647.654430] 0 0 [ 647.682804] ? print_usage_bug+0xc0/0xc0 [ 647.686755] 0 0 [ 647.689865] ? warn_alloc+0x120/0x120 [ 647.695632] ? print_usage_bug+0xc0/0xc0 [ 647.699671] Node 0 [ 647.701658] ? __lock_acquire+0x7ec/0x4ec0 [ 647.705462] DMA: [ 647.709517] ? __lock_acquire+0x7ec/0x4ec0 [ 647.711738] 1*4kB [ 647.715969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.718007] (U) [ 647.722242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.724369] 0*8kB 0*16kB [ 647.729914] ? should_fail+0x22d/0xd01 [ 647.731873] 1*32kB [ 647.737409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.740149] (U) [ 647.744062] ? __lock_acquire+0x7ec/0x4ec0 [ 647.746282] 2*64kB (U) [ 647.751392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.753351] 1*128kB [ 647.757592] ? __lock_acquire+0x7ec/0x4ec0 [ 647.760155] (U) [ 647.765254] ? should_fail+0x22d/0xd01 [ 647.767559] 1*256kB (U) [ 647.771813] ? mark_held_locks+0x130/0x130 [ 647.773758] 0*512kB 1*1024kB [ 647.777651] ? mark_held_locks+0x130/0x130 [ 647.780304] (U) [ 647.784541] ? graph_lock+0x170/0x170 [ 647.787644] 1*2048kB [ 647.791876] ? print_usage_bug+0xc0/0xc0 [ 647.793834] (M) [ 647.797688] ? graph_lock+0x170/0x170 [ 647.800127] 3*4096kB [ 647.804188] ? print_usage_bug+0xc0/0xc0 [ 647.806156] (M) [ 647.809956] ? wq_watchdog_touch+0x9c/0xfe [ 647.812345] = 15908kB [ 647.816406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.818360] Node 0 [ 647.822600] ? check_preemption_disabled+0x48/0x280 [ 647.824988] DMA32: [ 647.830522] ? check_preemption_disabled+0x48/0x280 [ 647.832737] 3*4kB [ 647.837754] ? __lock_is_held+0xb5/0x140 [ 647.839975] (M) [ 647.844995] __alloc_pages_nodemask+0xa80/0xde0 [ 647.847121] 1*8kB [ 647.851178] ? graph_lock+0x170/0x170 [ 647.853128] (M) 3*16kB [ 647.857807] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 647.859938] (UM) [ 647.863737] ? graph_lock+0x170/0x170 [ 647.866298] 3*32kB (UM) [ 647.871354] ? find_held_lock+0x36/0x1c0 [ 647.873388] 4*64kB [ 647.877190] ? ____cache_alloc_node+0x1c7/0x1e0 [ 647.879825] (M) 3*128kB [ 647.883895] ? lock_downgrade+0x900/0x900 [ 647.886114] (M) [ 647.890788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.893446] 4*256kB [ 647.897602] cache_grow_begin+0x91/0x8c0 [ 647.899567] (UM) [ 647.905111] ? do_raw_spin_unlock+0xa7/0x330 [ 647.907408] 3*512kB (M) [ 647.911479] fallback_alloc+0x203/0x2e0 [ 647.913515] 3*1024kB (UM) [ 647.917933] ____cache_alloc_node+0x1c7/0x1e0 [ 647.920578] 3*2048kB (UM) [ 647.924574] kmem_cache_alloc_node+0xe3/0x730 [ 647.927383] 3*4096kB (M) [ 647.931887] ? ipv6_get_ifaddr+0x42e/0x620 [ 647.934708] = 24868kB [ 647.934717] Node 0 [ 647.939216] __alloc_skb+0x119/0x770 [ 647.941950] Normal: [ 647.946196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 647.948599] 871*4kB [ 647.950833] ? skb_scrub_packet+0x490/0x490 [ 647.954529] (MEH) [ 647.956857] ? lock_downgrade+0x900/0x900 [ 647.962115] 470*8kB [ 647.964440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.968736] (MEH) [ 647.970891] ? refcount_sub_and_test_checked+0x203/0x310 [ 647.975008] 180*16kB (UMEH) [ 647.977340] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 647.982857] 61*32kB [ 647.985008] ? addrconf_rs_timer+0x690/0x690 [ 647.990431] (UME) 19*64kB [ 647.993484] ndisc_alloc_skb+0x144/0x340 [ 647.998919] (UMH) 0*128kB [ 648.002099] ndisc_send_rs+0x331/0x6e0 [ 648.006492] 0*256kB [ 648.009338] addrconf_rs_timer+0x314/0x690 [ 648.013373] 0*512kB [ 648.016216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.020092] 0*1024kB 0*2048kB [ 648.022468] call_timer_fn+0x272/0x920 [ 648.026670] 0*4096kB [ 648.028989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.033203] = 13292kB [ 648.036407] ? process_timeout+0x40/0x40 [ 648.040277] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 648.042694] ? find_held_lock+0x36/0x1c0 [ 648.046912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 648.049317] ? mark_held_locks+0xc7/0x130 [ 648.053355] 238 total pagecache pages [ 648.062193] ? _raw_spin_unlock_irq+0x27/0x80 [ 648.066239] 0 pages in swap cache [ 648.074810] ? _raw_spin_unlock_irq+0x27/0x80 [ 648.078940] Swap cache stats: add 0, delete 0, find 0/0 [ 648.082739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.087213] Free swap = 0kB [ 648.090665] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 648.095137] Total swap = 0kB [ 648.100503] ? trace_hardirqs_on+0xbd/0x310 [ 648.104720] 1965979 pages RAM [ 648.107743] ? kasan_check_read+0x11/0x20 [ 648.112302] 0 pages HighMem/MovableOnly [ 648.115333] ? __run_timers+0x7da/0xc70 [ 648.119860] 342306 pages reserved [ 648.119870] 0 pages cma reserved [ 648.122980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 648.127213] aoe: skb alloc failure [ 648.131081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.131101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.131122] __run_timers+0x7e5/0xc70 [ 648.135143] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 648.138586] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 648.141918] syz-executor4 cpuset= [ 648.147370] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 648.150886] syz4 [ 648.155122] ? graph_lock+0x170/0x170 [ 648.159337] mems_allowed=0 [ 648.163133] ? print_usage_bug+0xc0/0xc0 [ 648.201073] ? enqueue_hrtimer+0x1a5/0x560 [ 648.205355] ? lock_release+0x970/0x970 [ 648.209341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 648.214542] ? find_held_lock+0x36/0x1c0 [ 648.218667] ? graph_lock+0x170/0x170 [ 648.222494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.228042] ? check_preemption_disabled+0x48/0x280 [ 648.233107] ? __lock_is_held+0xb5/0x140 [ 648.237190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.242735] ? check_preemption_disabled+0x48/0x280 [ 648.247770] run_timer_softirq+0x52/0xb0 [ 648.251834] ? rcu_read_lock_sched_held+0x108/0x120 [ 648.256856] __do_softirq+0x30c/0xb03 [ 648.260682] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 648.265800] ? pvclock_read_flags+0x160/0x160 [ 648.270304] ? lapic_next_event+0x5a/0x90 [ 648.274482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.280025] ? check_preemption_disabled+0x48/0x280 [ 648.285069] ? check_preemption_disabled+0x48/0x280 [ 648.290097] ? kvm_clock_read+0x18/0x30 [ 648.294078] ? kvm_sched_clock_read+0x9/0x20 [ 648.298495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.304073] ? check_preemption_disabled+0x48/0x280 [ 648.309106] irq_exit+0x17f/0x1c0 [ 648.312582] smp_apic_timer_interrupt+0x1cb/0x760 [ 648.317431] ? smp_reschedule_interrupt+0x109/0x650 [ 648.322457] ? smp_call_function_single_interrupt+0x650/0x650 [ 648.328351] ? interrupt_entry+0xb5/0xf0 [ 648.332419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.337436] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.342476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.347322] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.352353] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.357378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.362922] ? check_preemption_disabled+0x48/0x280 [ 648.367944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.373496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.378354] apic_timer_interrupt+0xf/0x20 [ 648.382592] [ 648.384836] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 648.390034] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 648.408947] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 648.416671] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 648.423947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 648.431232] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 648.438522] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 648.445800] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 648.453325] retint_kernel+0x1b/0x2d [ 648.457052] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 648.462353] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 648.481258] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 648.488979] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 648.496275] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 648.503546] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 648.510844] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 648.518125] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 648.525429] ? arch_local_irq_restore+0x45/0x52 [ 648.530113] dump_stack+0x26a/0x2b6 [ 648.533748] ? dump_stack_print_info.cold.1+0x20/0x20 [ 648.538944] ? mark_held_locks+0x130/0x130 [ 648.543179] ? mark_held_locks+0x130/0x130 [ 648.547422] dump_header+0x27b/0xf72 [ 648.551170] ? pagefault_out_of_memory+0x197/0x197 [ 648.556116] ? __lock_acquire+0x7ec/0x4ec0 [ 648.560369] ? print_usage_bug+0xc0/0xc0 [ 648.564436] ? graph_lock+0x170/0x170 [ 648.568235] ? graph_lock+0x170/0x170 [ 648.572066] ? print_usage_bug+0xc0/0xc0 [ 648.576125] ? print_usage_bug+0xc0/0xc0 [ 648.580190] ? print_usage_bug+0xc0/0xc0 [ 648.584268] ? find_held_lock+0x36/0x1c0 [ 648.588340] ? mark_held_locks+0xc7/0x130 [ 648.592507] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 648.597615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 648.602728] ? lockdep_hardirqs_on+0x421/0x5c0 [ 648.607318] ? trace_hardirqs_on+0xbd/0x310 [ 648.611643] ? kasan_check_read+0x11/0x20 [ 648.615791] ? ___ratelimit+0x36f/0x655 [ 648.619772] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 648.625225] ? trace_hardirqs_on+0x310/0x310 [ 648.629639] ? lock_downgrade+0x900/0x900 [ 648.633799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 648.638907] ? ___ratelimit+0xaa/0x655 [ 648.642802] ? idr_get_free+0xec0/0xec0 [ 648.646784] ? kasan_check_write+0x14/0x20 [ 648.651024] ? do_raw_spin_lock+0xc1/0x230 [ 648.655269] oom_kill_process.cold.27+0x10/0x903 [ 648.660036] ? graph_lock+0x170/0x170 [ 648.663840] ? _raw_spin_unlock+0x2c/0x50 [ 648.668017] ? oom_badness+0xe6/0xaa0 [ 648.671828] ? oom_evaluate_task+0x540/0x540 [ 648.676259] ? find_held_lock+0x36/0x1c0 [ 648.680332] ? out_of_memory+0x974/0x1430 [ 648.684493] ? lock_downgrade+0x900/0x900 [ 648.688649] ? check_preemption_disabled+0x48/0x280 [ 648.693688] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 648.699492] ? kasan_check_read+0x11/0x20 [ 648.703648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 648.708925] ? rcu_bh_qs+0xc0/0xc0 [ 648.712470] ? kasan_check_write+0x14/0x20 [ 648.716704] ? oom_evaluate_task+0x302/0x540 [ 648.721142] out_of_memory+0xa84/0x1430 [ 648.725159] ? oom_killer_disable+0x3a0/0x3a0 [ 648.729658] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 648.734601] ? __mutex_add_waiter+0x2a0/0x2a0 [ 648.739132] __alloc_pages_slowpath+0x230f/0x2d70 [ 648.744037] ? warn_alloc+0x120/0x120 [ 648.747841] ? __radix_tree_lookup+0x4c0/0x4c0 [ 648.752439] ? find_get_entry+0x2f2/0xc40 [ 648.756614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.763129] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 648.768083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.773625] ? should_fail+0x22d/0xd01 [ 648.777521] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.782640] ? __lock_is_held+0xb5/0x140 [ 648.786748] ? __lock_is_held+0xb5/0x140 [ 648.790829] ? find_held_lock+0x36/0x1c0 [ 648.794900] ? ___might_sleep+0x1ed/0x300 [ 648.799048] ? lock_release+0x970/0x970 [ 648.803031] ? arch_local_save_flags+0x40/0x40 [ 648.807634] ? __might_sleep+0x95/0x190 [ 648.811622] __alloc_pages_nodemask+0xa80/0xde0 [ 648.816308] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 648.821339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 648.827141] ? kasan_check_read+0x11/0x20 [ 648.831295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 648.836595] ? graph_lock+0x170/0x170 [ 648.840401] ? print_usage_bug+0xc0/0xc0 [ 648.844468] ? graph_lock+0x170/0x170 [ 648.848269] ? graph_lock+0x170/0x170 [ 648.852084] ? __do_page_cache_readahead+0x7ce/0x980 [ 648.857197] ? find_held_lock+0x36/0x1c0 [ 648.861271] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 648.866823] alloc_pages_current+0x10c/0x210 [ 648.871235] ? lock_downgrade+0x900/0x900 [ 648.875420] __page_cache_alloc+0x38f/0x5b0 [ 648.879751] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 648.885551] ? kasan_check_read+0x11/0x20 [ 648.889726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 648.895013] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 648.899689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.905234] ? check_preemption_disabled+0x48/0x280 [ 648.910272] filemap_fault+0x1594/0x25f0 [ 648.914354] ? __lock_page_or_retry+0xa00/0xa00 [ 648.919042] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 648.924842] ? kasan_check_read+0x11/0x20 [ 648.928999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 648.934283] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 648.939397] ? rcu_bh_qs+0xc0/0xc0 [ 648.942959] ? trace_hardirqs_on+0xbd/0x310 [ 648.947300] ? kasan_check_read+0x11/0x20 [ 648.951459] ? __free_object+0x173/0x340 [ 648.955536] ? filemap_map_pages+0xdea/0x1980 [ 648.960062] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 648.965186] ? __free_object+0x173/0x340 [ 648.969259] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 648.974537] ? debug_object_free+0x325/0x690 [ 648.978972] ? find_get_pages_range_tag+0x1320/0x1320 [ 648.984177] ? graph_lock+0x170/0x170 [ 648.987993] ? kasan_check_read+0x11/0x20 [ 648.992174] ? debug_object_destroy+0x2b0/0x2b0 [ 648.996865] ? lock_acquire+0x1ed/0x520 [ 649.000845] ? ext4_filemap_fault+0x7a/0xad [ 649.005184] ? lock_release+0x970/0x970 [ 649.009161] ? arch_local_save_flags+0x40/0x40 [ 649.013751] ? futex_wait_setup+0x3e0/0x3e0 [ 649.018103] ? down_read+0xb0/0x1d0 [ 649.021737] ? ext4_filemap_fault+0x7a/0xad [ 649.026070] ? __down_interruptible+0x700/0x700 [ 649.030774] ext4_filemap_fault+0x82/0xad [ 649.034933] __do_fault+0x100/0x6b0 [ 649.038589] ? print_bad_pte+0x6c0/0x6c0 [ 649.042662] ? do_futex+0x249/0x26d0 [ 649.046384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.051932] ? check_preemption_disabled+0x48/0x280 [ 649.056955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 649.061726] ? pmd_val+0x88/0x100 [ 649.065191] ? add_mm_counter_fast+0xd0/0xd0 [ 649.069609] ? pmd_val+0x88/0x100 [ 649.073068] ? add_mm_counter_fast+0xd0/0xd0 [ 649.077489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.083038] __handle_mm_fault+0x3709/0x53e0 [ 649.087453] ? debug_smp_processor_id+0x1c/0x20 [ 649.092140] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 649.096990] ? graph_lock+0x170/0x170 [ 649.100795] ? print_usage_bug+0xc0/0xc0 [ 649.104859] ? should_fail+0xaf/0xd01 [ 649.108666] ? graph_lock+0x170/0x170 [ 649.112469] ? graph_lock+0x170/0x170 [ 649.116303] ? handle_mm_fault+0x42a/0xc70 [ 649.121059] ? lock_downgrade+0x900/0x900 [ 649.125218] ? check_preemption_disabled+0x48/0x280 [ 649.130251] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 649.136059] ? kasan_check_read+0x11/0x20 [ 649.140216] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 649.145505] ? rcu_bh_qs+0xc0/0xc0 [ 649.149055] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 649.154515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.160060] ? check_preemption_disabled+0x48/0x280 [ 649.165098] handle_mm_fault+0x54f/0xc70 [ 649.169174] ? __handle_mm_fault+0x53e0/0x53e0 [ 649.173767] ? find_vma+0x34/0x190 [ 649.177319] __do_page_fault+0x67d/0xed0 [ 649.181404] ? mm_fault_error+0x380/0x380 [ 649.185572] ? trace_hardirqs_off+0xb8/0x310 [ 649.189988] ? trace_hardirqs_on+0x310/0x310 [ 649.194405] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 649.199778] ? trace_hardirqs_on+0x310/0x310 [ 649.204207] do_page_fault+0xf2/0x7e0 [ 649.208019] ? vmalloc_sync_all+0x30/0x30 [ 649.212184] ? error_entry+0x70/0xd0 [ 649.215910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.220930] ? trace_hardirqs_on_caller+0xc0/0x310 [ 649.225864] ? syscall_return_slowpath+0x5e0/0x5e0 [ 649.230980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.235842] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.240860] ? trace_hardirqs_off+0x310/0x310 [ 649.245390] ? prepare_exit_to_usermode+0x291/0x3b0 [ 649.250414] ? page_fault+0x8/0x30 [ 649.253968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.258825] ? page_fault+0x8/0x30 [ 649.262390] page_fault+0x1e/0x30 [ 649.265853] RIP: 0033:0x45ddf3 [ 649.269058] Code: Bad RIP value. [ 649.272422] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 649.277791] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 649.285065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 649.292336] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 649.299614] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 649.306889] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 649.314212] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 649.314296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 649.321504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.321510] Call Trace: [ 649.321518] [ 649.321544] dump_stack+0x1c4/0x2b6 [ 649.321575] ? dump_stack_print_info.cold.1+0x20/0x20 [ 649.328278] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 649.337451] warn_alloc.cold.119+0xb7/0x1bd [ 649.340000] syz-fuzzer cpuset= [ 649.342151] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 649.345757] / [ 649.350973] ? lock_downgrade+0x900/0x900 [ 649.361184] mems_allowed=0 [ 649.365513] ? trace_hardirqs_off+0xb8/0x310 [ 649.386690] ? trace_hardirqs_off+0xb8/0x310 [ 649.391119] __alloc_pages_slowpath+0x265e/0x2d70 [ 649.396003] ? warn_alloc+0x120/0x120 [ 649.399820] ? warn_alloc+0x120/0x120 [ 649.403632] ? print_usage_bug+0xc0/0xc0 [ 649.407703] ? warn_alloc+0x120/0x120 [ 649.411512] ? print_usage_bug+0xc0/0xc0 [ 649.415592] ? mark_held_locks+0x130/0x130 [ 649.419839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.425388] ? should_fail+0x22d/0xd01 [ 649.429289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 649.434399] ? __lock_acquire+0x7ec/0x4ec0 [ 649.438645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 649.443752] ? __lock_acquire+0x7ec/0x4ec0 [ 649.447993] ? should_fail+0x22d/0xd01 [ 649.451904] ? mark_held_locks+0x130/0x130 [ 649.456150] ? mark_held_locks+0x130/0x130 [ 649.460390] ? lock_downgrade+0x900/0x900 [ 649.464549] ? graph_lock+0x170/0x170 [ 649.468367] ? graph_lock+0x170/0x170 [ 649.472172] ? graph_lock+0x170/0x170 [ 649.475977] ? print_usage_bug+0xc0/0xc0 [ 649.480048] ? do_raw_spin_unlock+0xa7/0x330 [ 649.484485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.490032] ? check_preemption_disabled+0x48/0x280 [ 649.495057] ? check_preemption_disabled+0x48/0x280 [ 649.500107] ? __lock_is_held+0xb5/0x140 [ 649.504212] __alloc_pages_nodemask+0xa80/0xde0 [ 649.508888] ? graph_lock+0x170/0x170 [ 649.512726] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 649.517750] ? graph_lock+0x170/0x170 [ 649.521583] ? find_held_lock+0x36/0x1c0 [ 649.525667] ? ____cache_alloc_node+0x1c7/0x1e0 [ 649.530343] ? lock_downgrade+0x900/0x900 [ 649.534509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.540060] cache_grow_begin+0x91/0x8c0 [ 649.544136] ? do_raw_spin_unlock+0xa7/0x330 [ 649.548573] fallback_alloc+0x203/0x2e0 [ 649.552578] ____cache_alloc_node+0x1c7/0x1e0 [ 649.557097] kmem_cache_alloc_node+0xe3/0x730 [ 649.561606] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 649.566716] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 649.571312] __alloc_skb+0x119/0x770 [ 649.575036] ? calc_wheel_index+0x220/0x220 [ 649.579371] ? skb_scrub_packet+0x490/0x490 [ 649.583716] ? vprintk_default+0x28/0x30 [ 649.587781] ? vprintk_func+0x85/0x181 [ 649.591683] ? printk+0xa7/0xcf [ 649.594969] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 649.599754] new_skb+0x26/0x1c0 [ 649.603044] aoecmd_cfg+0x279/0x7f0 [ 649.606693] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 649.611027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.616583] ? check_preemption_disabled+0x48/0x280 [ 649.621606] ? check_preemption_disabled+0x48/0x280 [ 649.626643] ? __lock_is_held+0xb5/0x140 [ 649.630727] discover_timer+0x50/0x60 [ 649.634536] call_timer_fn+0x272/0x920 [ 649.638439] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.643292] ? process_timeout+0x40/0x40 [ 649.647355] ? find_held_lock+0x36/0x1c0 [ 649.651431] ? __run_timers+0x7da/0xc70 [ 649.655415] ? _raw_spin_unlock_irq+0x27/0x80 [ 649.659920] ? _raw_spin_unlock_irq+0x27/0x80 [ 649.664421] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.669274] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 649.673862] ? trace_hardirqs_on+0xbd/0x310 [ 649.678191] ? kasan_check_read+0x11/0x20 [ 649.682344] ? __run_timers+0x7da/0xc70 [ 649.686326] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 649.691804] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.696651] __run_timers+0x7e5/0xc70 [ 649.700472] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 649.705846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 649.710873] ? graph_lock+0x170/0x170 [ 649.714685] ? enqueue_hrtimer+0x1a5/0x560 [ 649.718927] ? lock_release+0x970/0x970 [ 649.722911] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 649.728112] ? find_held_lock+0x36/0x1c0 [ 649.732186] ? graph_lock+0x170/0x170 [ 649.735992] ? pvclock_read_flags+0x160/0x160 [ 649.740493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.746040] ? check_preemption_disabled+0x48/0x280 [ 649.751090] ? __lock_is_held+0xb5/0x140 [ 649.755159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.760705] ? check_preemption_disabled+0x48/0x280 [ 649.765745] run_timer_softirq+0x52/0xb0 [ 649.769817] ? rcu_read_lock_sched_held+0x108/0x120 [ 649.774844] __do_softirq+0x30c/0xb03 [ 649.778671] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 649.783793] ? pvclock_read_flags+0x160/0x160 [ 649.788295] ? lapic_next_event+0x5a/0x90 [ 649.792449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.797992] ? check_preemption_disabled+0x48/0x280 [ 649.803016] ? check_preemption_disabled+0x48/0x280 [ 649.808047] ? kvm_clock_read+0x18/0x30 [ 649.812036] ? kvm_sched_clock_read+0x9/0x20 [ 649.816458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.822001] ? check_preemption_disabled+0x48/0x280 [ 649.827037] irq_exit+0x17f/0x1c0 [ 649.830503] smp_apic_timer_interrupt+0x1cb/0x760 [ 649.835350] ? smp_reschedule_interrupt+0x109/0x650 [ 649.840397] ? smp_call_function_single_interrupt+0x650/0x650 [ 649.846293] ? interrupt_entry+0xb5/0xf0 [ 649.850365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.855385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.860409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.865262] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.870283] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.875308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.880858] ? check_preemption_disabled+0x48/0x280 [ 649.885879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.891430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.896289] apic_timer_interrupt+0xf/0x20 [ 649.900523] [ 649.902780] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 649.907717] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 649.926627] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 649.934343] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 649.941615] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 649.948886] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 649.956160] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 649.963435] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 649.970768] skb_clone+0x1bb/0x500 [ 649.974317] ? skb_split+0x11e0/0x11e0 [ 649.978215] ? preempt_notifier_register+0x200/0x200 [ 649.983323] ? __switch_to_asm+0x34/0x70 [ 649.987399] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 649.992167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 649.996944] bpf_clone_redirect+0xb9/0x490 [ 650.001203] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 650.006240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 650.011014] ? find_held_lock+0x36/0x1c0 [ 650.015096] ? lock_acquire+0x1ed/0x520 [ 650.019083] ? bpf_test_run+0x3cb/0x780 [ 650.023066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.028621] ? check_preemption_disabled+0x48/0x280 [ 650.033651] ? kasan_check_read+0x11/0x20 [ 650.037811] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 650.043097] ? rcu_bh_qs+0xc0/0xc0 [ 650.046651] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 650.051864] ? bpf_test_run+0x25d/0x780 [ 650.055863] ? netlink_diag_dump+0x2a0/0x2a0 [ 650.060283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.065828] ? bpf_test_init.isra.10+0x70/0x100 [ 650.070525] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 650.075308] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.080161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 650.085709] ? fput+0x130/0x1a0 [ 650.088999] ? __bpf_prog_get+0x9b/0x290 [ 650.093074] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.097918] ? bpf_prog_test_run+0x130/0x1a0 [ 650.102338] ? __x64_sys_bpf+0x3d8/0x520 [ 650.106407] ? bpf_prog_get+0x20/0x20 [ 650.110239] ? do_syscall_64+0x1b9/0x820 [ 650.114308] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 650.119890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 650.124831] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.129857] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 650.134880] ? recalc_sigpending_tsk+0x180/0x180 [ 650.139645] ? kasan_check_write+0x14/0x20 [ 650.143893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.148755] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 650.154149] warn_alloc_show_mem: 1 callbacks suppressed [ 650.154161] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 650.154163] Mem-Info: [ 650.154196] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 650.154196] active_file:13 inactive_file:34 isolated_file:0 [ 650.154196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 650.154196] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 650.154196] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 650.154196] free:13625 free_pcp:139 free_cma:0 [ 650.159545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 650.166588] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 650.168997] Call Trace: [ 650.201874] Node 0 [ 650.211231] [ 650.238853] 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 [ 650.241427] dump_stack+0x1c4/0x2b6 [ 650.243642] lowmem_reserve[]: [ 650.245799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 650.271277] 0 2819 [ 650.274944] warn_alloc.cold.119+0xb7/0x1bd [ 650.278002] 6323 6323 [ 650.283207] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 650.289748] ? lock_downgrade+0x900/0x900 [ 650.292227] Node 0 [ 650.297078] ? trace_hardirqs_off+0xb8/0x310 [ 650.301234] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 650.303452] ? trace_hardirqs_off+0xb8/0x310 [ 650.307830] lowmem_reserve[]: 0 [ 650.335007] __alloc_pages_slowpath+0x265e/0x2d70 [ 650.339389] 0 [ 650.342701] ? warn_alloc+0x120/0x120 [ 650.347489] 3503 3503 [ 650.349302] ? trace_hardirqs_on+0x310/0x310 [ 650.355596] ? warn_alloc+0x120/0x120 [ 650.359989] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 650.363819] ? print_usage_bug+0xc0/0xc0 [ 650.363836] ? warn_alloc+0x120/0x120 [ 650.392794] lowmem_reserve[]: 0 [ 650.396884] ? ktime_get+0x2e1/0x440 [ 650.400671] 0 0 [ 650.403966] ? print_usage_bug+0xc0/0xc0 [ 650.407657] 0 [ 650.409635] ? __lock_acquire+0x7ec/0x4ec0 [ 650.413684] Node 0 [ 650.415489] ? __lock_acquire+0x7ec/0x4ec0 [ 650.419706] DMA: [ 650.422200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.426417] 1*4kB [ 650.428481] ? should_fail+0x22d/0xd01 [ 650.433993] (U) [ 650.436145] ? __lock_acquire+0x7ec/0x4ec0 [ 650.440006] 0*8kB 0*16kB [ 650.442001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.446214] 1*32kB [ 650.448975] ? __lock_acquire+0x7ec/0x4ec0 [ 650.454057] (U) [ 650.456303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.460514] 2*64kB [ 650.462493] ? __lock_acquire+0x7ec/0x4ec0 [ 650.467573] (U) 1*128kB [ 650.469823] ? should_fail+0x22d/0xd01 [ 650.474039] (U) [ 650.476724] ? mark_held_locks+0x130/0x130 [ 650.480584] 1*256kB (U) [ 650.482595] ? mark_held_locks+0x130/0x130 [ 650.486804] 0*512kB [ 650.489477] ? mark_held_locks+0xc7/0x130 [ 650.493698] 1*1024kB [ 650.496025] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 650.500147] (U) 1*2048kB [ 650.502586] ? graph_lock+0x170/0x170 [ 650.507585] (M) [ 650.510346] ? print_usage_bug+0xc0/0xc0 [ 650.514119] 3*4096kB (M) [ 650.516113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.520149] = 15908kB [ 650.520159] Node 0 [ 650.522922] ? check_preemption_disabled+0x48/0x280 [ 650.528435] DMA32: [ 650.530853] ? check_preemption_disabled+0x48/0x280 [ 650.533072] 3*4kB [ 650.538100] ? __lock_is_held+0xb5/0x140 [ 650.540315] (M) [ 650.545342] __alloc_pages_nodemask+0xa80/0xde0 [ 650.547466] 1*8kB [ 650.551615] ? graph_lock+0x170/0x170 [ 650.553576] (M) 3*16kB [ 650.558258] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 650.560376] (UM) 3*32kB [ 650.564187] ? graph_lock+0x170/0x170 [ 650.566752] (UM) [ 650.571780] ? find_held_lock+0x36/0x1c0 [ 650.574413] 4*64kB (M) [ 650.578235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 650.580269] 3*128kB [ 650.584335] ? lock_downgrade+0x900/0x900 [ 650.586903] (M) [ 650.591594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.593884] 4*256kB [ 650.598038] cache_grow_begin+0x91/0x8c0 [ 650.599988] (UM) [ 650.605528] ? do_raw_spin_unlock+0xa7/0x330 [ 650.607827] 3*512kB (M) [ 650.611909] fallback_alloc+0x203/0x2e0 [ 650.613947] 3*1024kB [ 650.618364] ____cache_alloc_node+0x1c7/0x1e0 [ 650.621010] (UM) [ 650.624995] kmem_cache_alloc_node+0xe3/0x730 [ 650.627376] 3*2048kB (UM) [ 650.631884] ? ipv6_get_ifaddr+0x42e/0x620 [ 650.633925] 3*4096kB [ 650.638425] __alloc_skb+0x119/0x770 [ 650.641242] (M) [ 650.645486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 650.647872] = 24868kB [ 650.651599] ? skb_scrub_packet+0x490/0x490 [ 650.653561] Node 0 [ 650.658847] ? lock_downgrade+0x900/0x900 [ 650.661243] Normal: [ 650.665588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.667796] 871*4kB [ 650.671945] ? refcount_sub_and_test_checked+0x203/0x310 [ 650.674246] (MEH) [ 650.679786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 650.682093] 470*8kB [ 650.687548] ? addrconf_rs_timer+0x690/0x690 [ 650.689696] (MEH) [ 650.695157] ndisc_alloc_skb+0x144/0x340 [ 650.697449] 180*16kB [ 650.701859] ndisc_send_rs+0x331/0x6e0 [ 650.703986] (UMEH) [ 650.708060] addrconf_rs_timer+0x314/0x690 [ 650.710453] 61*32kB [ 650.714346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.716568] (UME) [ 650.720822] call_timer_fn+0x272/0x920 [ 650.723115] 19*64kB [ 650.727350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.729478] (UMH) [ 650.733371] ? process_timeout+0x40/0x40 [ 650.735669] 0*128kB 0*256kB [ 650.739912] ? find_held_lock+0x36/0x1c0 [ 650.742050] 0*512kB [ 650.746114] ? mark_held_locks+0xc7/0x130 [ 650.749108] 0*1024kB [ 650.753169] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.755472] 0*2048kB [ 650.759620] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.762012] 0*4096kB [ 650.766504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.768900] = 13292kB [ 650.773390] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 650.775787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 650.780016] ? trace_hardirqs_on+0xbd/0x310 [ 650.782414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 650.786993] ? kasan_check_read+0x11/0x20 [ 650.795809] 238 total pagecache pages [ 650.800133] ? __run_timers+0x7da/0xc70 [ 650.808694] 0 pages in swap cache [ 650.812836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 650.816629] Swap cache stats: add 0, delete 0, find 0/0 [ 650.820631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 650.824055] Free swap = 0kB [ 650.829505] __run_timers+0x7e5/0xc70 [ 650.834849] Total swap = 0kB [ 650.839094] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 650.842093] 1965979 pages RAM [ 650.845893] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 650.848885] 0 pages HighMem/MovableOnly [ 650.848894] 342306 pages reserved [ 650.854256] ? graph_lock+0x170/0x170 [ 650.857343] 0 pages cma reserved [ 650.862356] ? print_usage_bug+0xc0/0xc0 [ 650.866387] aoe: skb alloc failure [ 650.869765] ? enqueue_hrtimer+0x1a5/0x560 [ 650.869777] ? lock_release+0x970/0x970 [ 650.869795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 650.869817] ? find_held_lock+0x36/0x1c0 [ 650.873639] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 650.876971] ? graph_lock+0x170/0x170 [ 650.881014] syz-executor4 cpuset= [ 650.884565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.888783] syz4 [ 650.892760] ? check_preemption_disabled+0x48/0x280 [ 650.897929] mems_allowed=0 [ 650.901993] ? __lock_is_held+0xb5/0x140 [ 650.939154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.944713] ? check_preemption_disabled+0x48/0x280 [ 650.949751] run_timer_softirq+0x52/0xb0 [ 650.953822] ? rcu_read_lock_sched_held+0x108/0x120 [ 650.958848] __do_softirq+0x30c/0xb03 [ 650.962670] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 650.967785] ? pvclock_read_flags+0x160/0x160 [ 650.972284] ? lapic_next_event+0x5a/0x90 [ 650.976439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.982454] ? check_preemption_disabled+0x48/0x280 [ 650.987479] ? check_preemption_disabled+0x48/0x280 [ 650.992514] ? kvm_clock_read+0x18/0x30 [ 650.996499] ? kvm_sched_clock_read+0x9/0x20 [ 651.000918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.006464] ? check_preemption_disabled+0x48/0x280 [ 651.011501] irq_exit+0x17f/0x1c0 [ 651.014962] smp_apic_timer_interrupt+0x1cb/0x760 [ 651.019810] ? smp_reschedule_interrupt+0x109/0x650 [ 651.024830] ? smp_call_function_single_interrupt+0x650/0x650 [ 651.030725] ? interrupt_entry+0xb5/0xf0 [ 651.034796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.039815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.044851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.049700] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.054722] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.059747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.066052] ? check_preemption_disabled+0x48/0x280 [ 651.071073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.076630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.081491] apic_timer_interrupt+0xf/0x20 [ 651.085725] [ 651.087971] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 651.093166] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 651.112073] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 651.120267] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 651.127539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 651.134825] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 651.142096] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 651.149365] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 651.156689] retint_kernel+0x1b/0x2d [ 651.160413] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 651.165694] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 651.184606] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 651.192325] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 651.199597] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 651.206871] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 651.214142] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 651.221416] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 651.228864] ? arch_local_irq_restore+0x45/0x52 [ 651.233552] dump_stack+0x26a/0x2b6 [ 651.237208] ? dump_stack_print_info.cold.1+0x20/0x20 [ 651.242410] ? mark_held_locks+0x130/0x130 [ 651.246651] ? mark_held_locks+0x130/0x130 [ 651.250898] dump_header+0x27b/0xf72 [ 651.254636] ? pagefault_out_of_memory+0x197/0x197 [ 651.259593] ? __lock_acquire+0x7ec/0x4ec0 [ 651.263844] ? print_usage_bug+0xc0/0xc0 [ 651.267922] ? graph_lock+0x170/0x170 [ 651.271725] ? graph_lock+0x170/0x170 [ 651.275529] ? print_usage_bug+0xc0/0xc0 [ 651.279605] ? print_usage_bug+0xc0/0xc0 [ 651.283675] ? print_usage_bug+0xc0/0xc0 [ 651.287756] ? find_held_lock+0x36/0x1c0 [ 651.291832] ? mark_held_locks+0xc7/0x130 [ 651.296978] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 651.302086] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 651.307194] ? lockdep_hardirqs_on+0x421/0x5c0 [ 651.311782] ? trace_hardirqs_on+0xbd/0x310 [ 651.316110] ? kasan_check_read+0x11/0x20 [ 651.320265] ? ___ratelimit+0x36f/0x655 [ 651.324249] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 651.329709] ? trace_hardirqs_on+0x310/0x310 [ 651.334122] ? lock_downgrade+0x900/0x900 [ 651.338287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 651.343397] ? ___ratelimit+0xaa/0x655 [ 651.347291] ? idr_get_free+0xec0/0xec0 [ 651.351278] ? kasan_check_write+0x14/0x20 [ 651.355519] ? do_raw_spin_lock+0xc1/0x230 [ 651.359777] oom_kill_process.cold.27+0x10/0x903 [ 651.364543] ? graph_lock+0x170/0x170 [ 651.368369] ? _raw_spin_unlock+0x2c/0x50 [ 651.372518] ? oom_badness+0xe6/0xaa0 [ 651.376330] ? oom_evaluate_task+0x540/0x540 [ 651.381232] ? find_held_lock+0x36/0x1c0 [ 651.385309] ? out_of_memory+0x974/0x1430 [ 651.389463] ? lock_downgrade+0x900/0x900 [ 651.393619] ? check_preemption_disabled+0x48/0x280 [ 651.398648] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 651.404449] ? kasan_check_read+0x11/0x20 [ 651.408606] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 651.413889] ? rcu_bh_qs+0xc0/0xc0 [ 651.417437] ? kasan_check_write+0x14/0x20 [ 651.421673] ? oom_evaluate_task+0x302/0x540 [ 651.426093] out_of_memory+0xa84/0x1430 [ 651.430976] ? oom_killer_disable+0x3a0/0x3a0 [ 651.435478] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 651.440419] ? __mutex_add_waiter+0x2a0/0x2a0 [ 651.444932] __alloc_pages_slowpath+0x230f/0x2d70 [ 651.449815] ? warn_alloc+0x120/0x120 [ 651.453616] ? __radix_tree_lookup+0x4c0/0x4c0 [ 651.458222] ? find_get_entry+0x2f2/0xc40 [ 651.462385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.467927] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 651.472859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.478402] ? should_fail+0x22d/0xd01 [ 651.482299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.487404] ? __lock_is_held+0xb5/0x140 [ 651.491500] ? __lock_is_held+0xb5/0x140 [ 651.495592] ? find_held_lock+0x36/0x1c0 [ 651.499665] ? ___might_sleep+0x1ed/0x300 [ 651.503815] ? lock_release+0x970/0x970 [ 651.507796] ? arch_local_save_flags+0x40/0x40 [ 651.512400] ? __might_sleep+0x95/0x190 [ 651.516389] __alloc_pages_nodemask+0xa80/0xde0 [ 651.521070] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 651.526097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 651.531901] ? kasan_check_read+0x11/0x20 [ 651.536058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 651.541343] ? graph_lock+0x170/0x170 [ 651.545149] ? print_usage_bug+0xc0/0xc0 [ 651.549218] ? graph_lock+0x170/0x170 [ 651.553024] ? graph_lock+0x170/0x170 [ 651.556829] ? __do_page_cache_readahead+0x7ce/0x980 [ 651.561945] ? find_held_lock+0x36/0x1c0 [ 651.566018] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 651.571583] alloc_pages_current+0x10c/0x210 [ 651.576000] ? lock_downgrade+0x900/0x900 [ 651.580157] __page_cache_alloc+0x38f/0x5b0 [ 651.584482] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 651.590284] ? kasan_check_read+0x11/0x20 [ 651.594440] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 651.599728] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 651.604403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.609947] ? check_preemption_disabled+0x48/0x280 [ 651.614983] filemap_fault+0x1594/0x25f0 [ 651.619062] ? __lock_page_or_retry+0xa00/0xa00 [ 651.623741] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 651.629543] ? kasan_check_read+0x11/0x20 [ 651.633716] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 651.638996] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 651.644118] ? rcu_bh_qs+0xc0/0xc0 [ 651.647667] ? trace_hardirqs_on+0xbd/0x310 [ 651.651993] ? kasan_check_read+0x11/0x20 [ 651.656147] ? __free_object+0x173/0x340 [ 651.660224] ? filemap_map_pages+0xdea/0x1980 [ 651.664732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 651.669844] ? __free_object+0x173/0x340 [ 651.673916] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 651.679194] ? debug_object_free+0x325/0x690 [ 651.683607] ? find_get_pages_range_tag+0x1320/0x1320 [ 651.688986] ? graph_lock+0x170/0x170 [ 651.692804] ? kasan_check_read+0x11/0x20 [ 651.696964] ? debug_object_destroy+0x2b0/0x2b0 [ 651.701648] ? lock_acquire+0x1ed/0x520 [ 651.705631] ? ext4_filemap_fault+0x7a/0xad [ 651.709967] ? lock_release+0x970/0x970 [ 651.713942] ? arch_local_save_flags+0x40/0x40 [ 651.718532] ? futex_wait_setup+0x3e0/0x3e0 [ 651.722892] ? down_read+0xb0/0x1d0 [ 651.726520] ? ext4_filemap_fault+0x7a/0xad [ 651.730855] ? __down_interruptible+0x700/0x700 [ 651.735551] ext4_filemap_fault+0x82/0xad [ 651.739727] __do_fault+0x100/0x6b0 [ 651.743363] ? print_bad_pte+0x6c0/0x6c0 [ 651.747428] ? do_futex+0x249/0x26d0 [ 651.751147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.756689] ? check_preemption_disabled+0x48/0x280 [ 651.761714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 651.767592] ? pmd_val+0x88/0x100 [ 651.771055] ? add_mm_counter_fast+0xd0/0xd0 [ 651.775470] ? pmd_val+0x88/0x100 [ 651.778929] ? add_mm_counter_fast+0xd0/0xd0 [ 651.783348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.788901] __handle_mm_fault+0x3709/0x53e0 [ 651.793314] ? debug_smp_processor_id+0x1c/0x20 [ 651.797997] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 651.802846] ? graph_lock+0x170/0x170 [ 651.806653] ? print_usage_bug+0xc0/0xc0 [ 651.810719] ? should_fail+0xaf/0xd01 [ 651.814526] ? graph_lock+0x170/0x170 [ 651.818340] ? graph_lock+0x170/0x170 [ 651.822170] ? handle_mm_fault+0x42a/0xc70 [ 651.826415] ? lock_downgrade+0x900/0x900 [ 651.830578] ? check_preemption_disabled+0x48/0x280 [ 651.835613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 651.841416] ? kasan_check_read+0x11/0x20 [ 651.845592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 651.850879] ? rcu_bh_qs+0xc0/0xc0 [ 651.854422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 651.859881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.865423] ? check_preemption_disabled+0x48/0x280 [ 651.870456] handle_mm_fault+0x54f/0xc70 [ 651.874525] ? __handle_mm_fault+0x53e0/0x53e0 [ 651.879127] ? find_vma+0x34/0x190 [ 651.882682] __do_page_fault+0x67d/0xed0 [ 651.886761] ? mm_fault_error+0x380/0x380 [ 651.890914] ? trace_hardirqs_off+0xb8/0x310 [ 651.895329] ? trace_hardirqs_on+0x310/0x310 [ 651.899743] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.905110] ? trace_hardirqs_on+0x310/0x310 [ 651.909528] do_page_fault+0xf2/0x7e0 [ 651.913351] ? vmalloc_sync_all+0x30/0x30 [ 651.917504] ? error_entry+0x70/0xd0 [ 651.921227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.926258] ? trace_hardirqs_on_caller+0xc0/0x310 [ 651.931190] ? syscall_return_slowpath+0x5e0/0x5e0 [ 651.936125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.940972] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.945992] ? trace_hardirqs_off+0x310/0x310 [ 651.950501] ? prepare_exit_to_usermode+0x291/0x3b0 [ 651.955523] ? page_fault+0x8/0x30 [ 651.959076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.963927] ? page_fault+0x8/0x30 [ 651.967469] page_fault+0x1e/0x30 [ 651.970925] RIP: 0033:0x45ddf3 [ 651.974124] Code: Bad RIP value. [ 651.977490] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 651.982855] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 651.990128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 651.997403] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 652.004677] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 652.011949] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 652.019253] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 652.019343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 652.026538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 652.026548] Call Trace: [ 652.033165] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 652.042401] [ 652.044985] syz-fuzzer cpuset= [ 652.055213] dump_stack+0x1c4/0x2b6 [ 652.057342] / [ 652.060537] ? dump_stack_print_info.cold.1+0x20/0x20 [ 652.064149] mems_allowed=0 [ 652.065871] warn_alloc.cold.119+0xb7/0x1bd [ 652.078269] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 652.083122] ? lock_downgrade+0x900/0x900 [ 652.087290] ? trace_hardirqs_off+0xb8/0x310 [ 652.091717] ? trace_hardirqs_off+0xb8/0x310 [ 652.096143] __alloc_pages_slowpath+0x265e/0x2d70 [ 652.101026] ? warn_alloc+0x120/0x120 [ 652.104839] ? warn_alloc+0x120/0x120 [ 652.108647] ? print_usage_bug+0xc0/0xc0 [ 652.112714] ? warn_alloc+0x120/0x120 [ 652.116522] ? print_usage_bug+0xc0/0xc0 [ 652.120827] ? mark_held_locks+0x130/0x130 [ 652.125080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.130628] ? should_fail+0x22d/0xd01 [ 652.134527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.139643] ? __lock_acquire+0x7ec/0x4ec0 [ 652.143891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.148997] ? __lock_acquire+0x7ec/0x4ec0 [ 652.153240] ? should_fail+0x22d/0xd01 [ 652.157146] ? mark_held_locks+0x130/0x130 [ 652.161395] ? mark_held_locks+0x130/0x130 [ 652.165638] ? lock_downgrade+0x900/0x900 [ 652.169796] ? graph_lock+0x170/0x170 [ 652.173605] ? graph_lock+0x170/0x170 [ 652.177411] ? graph_lock+0x170/0x170 [ 652.181221] ? print_usage_bug+0xc0/0xc0 [ 652.185290] ? do_raw_spin_unlock+0xa7/0x330 [ 652.189711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.195262] ? check_preemption_disabled+0x48/0x280 [ 652.200286] ? check_preemption_disabled+0x48/0x280 [ 652.205325] ? __lock_is_held+0xb5/0x140 [ 652.209408] __alloc_pages_nodemask+0xa80/0xde0 [ 652.214093] ? graph_lock+0x170/0x170 [ 652.217908] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 652.222931] ? graph_lock+0x170/0x170 [ 652.226758] ? find_held_lock+0x36/0x1c0 [ 652.230839] ? ____cache_alloc_node+0x1c7/0x1e0 [ 652.235517] ? lock_downgrade+0x900/0x900 [ 652.239682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.245234] cache_grow_begin+0x91/0x8c0 [ 652.249304] ? do_raw_spin_unlock+0xa7/0x330 [ 652.253740] fallback_alloc+0x203/0x2e0 [ 652.257730] ____cache_alloc_node+0x1c7/0x1e0 [ 652.262236] kmem_cache_alloc_node+0xe3/0x730 [ 652.266739] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 652.271851] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 652.276449] __alloc_skb+0x119/0x770 [ 652.280169] ? calc_wheel_index+0x220/0x220 [ 652.284501] ? skb_scrub_packet+0x490/0x490 [ 652.288838] ? vprintk_default+0x28/0x30 [ 652.292906] ? vprintk_func+0x85/0x181 [ 652.296803] ? printk+0xa7/0xcf [ 652.300127] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 652.304903] new_skb+0x26/0x1c0 [ 652.308192] aoecmd_cfg+0x279/0x7f0 [ 652.311835] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 652.316166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.321710] ? check_preemption_disabled+0x48/0x280 [ 652.326733] ? check_preemption_disabled+0x48/0x280 [ 652.331770] ? __lock_is_held+0xb5/0x140 [ 652.335851] discover_timer+0x50/0x60 [ 652.339659] call_timer_fn+0x272/0x920 [ 652.343563] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 652.348413] ? process_timeout+0x40/0x40 [ 652.352476] ? find_held_lock+0x36/0x1c0 [ 652.356552] ? __run_timers+0x7da/0xc70 [ 652.360549] ? _raw_spin_unlock_irq+0x27/0x80 [ 652.365061] ? _raw_spin_unlock_irq+0x27/0x80 [ 652.369576] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 652.374430] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 652.379017] ? trace_hardirqs_on+0xbd/0x310 [ 652.383344] ? kasan_check_read+0x11/0x20 [ 652.387498] ? __run_timers+0x7da/0xc70 [ 652.391483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 652.396957] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 652.401808] __run_timers+0x7e5/0xc70 [ 652.405631] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 652.411008] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 652.416029] ? graph_lock+0x170/0x170 [ 652.419840] ? enqueue_hrtimer+0x1a5/0x560 [ 652.424088] ? lock_release+0x970/0x970 [ 652.428078] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 652.433283] ? find_held_lock+0x36/0x1c0 [ 652.437358] ? graph_lock+0x170/0x170 [ 652.441169] ? pvclock_read_flags+0x160/0x160 [ 652.445672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.451216] ? check_preemption_disabled+0x48/0x280 [ 652.456252] ? __lock_is_held+0xb5/0x140 [ 652.460317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.465862] ? check_preemption_disabled+0x48/0x280 [ 652.470892] run_timer_softirq+0x52/0xb0 [ 652.474956] ? rcu_read_lock_sched_held+0x108/0x120 [ 652.480009] __do_softirq+0x30c/0xb03 [ 652.483829] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 652.488946] ? pvclock_read_flags+0x160/0x160 [ 652.493445] ? lapic_next_event+0x5a/0x90 [ 652.497599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.503147] ? check_preemption_disabled+0x48/0x280 [ 652.508168] ? check_preemption_disabled+0x48/0x280 [ 652.513219] ? kvm_clock_read+0x18/0x30 [ 652.517202] ? kvm_sched_clock_read+0x9/0x20 [ 652.521621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.527163] ? check_preemption_disabled+0x48/0x280 [ 652.532200] irq_exit+0x17f/0x1c0 [ 652.535663] smp_apic_timer_interrupt+0x1cb/0x760 [ 652.540511] ? smp_reschedule_interrupt+0x109/0x650 [ 652.545537] ? smp_call_function_single_interrupt+0x650/0x650 [ 652.551436] ? interrupt_entry+0xb5/0xf0 [ 652.555505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 652.560525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 652.565564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.570414] ? trace_hardirqs_on_caller+0x310/0x310 [ 652.575435] ? trace_hardirqs_on_caller+0x310/0x310 [ 652.580454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.585998] ? check_preemption_disabled+0x48/0x280 [ 652.591022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.596584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.601447] apic_timer_interrupt+0xf/0x20 [ 652.605693] [ 652.607936] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 652.612871] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 652.631774] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 652.639488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 652.646762] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 652.654032] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 652.661302] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 652.668576] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 652.675898] skb_clone+0x1bb/0x500 [ 652.679449] ? skb_split+0x11e0/0x11e0 [ 652.683355] ? preempt_notifier_register+0x200/0x200 [ 652.688461] ? __switch_to_asm+0x34/0x70 [ 652.692532] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 652.697306] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 652.702084] bpf_clone_redirect+0xb9/0x490 [ 652.706341] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 652.711375] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 652.716147] ? find_held_lock+0x36/0x1c0 [ 652.720222] ? lock_acquire+0x1ed/0x520 [ 652.724201] ? bpf_test_run+0x3cb/0x780 [ 652.728180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.733725] ? check_preemption_disabled+0x48/0x280 [ 652.738753] ? kasan_check_read+0x11/0x20 [ 652.742909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 652.748191] ? rcu_bh_qs+0xc0/0xc0 [ 652.751742] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 652.756948] ? bpf_test_run+0x25d/0x780 [ 652.760943] ? netlink_diag_dump+0x2a0/0x2a0 [ 652.765364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.770911] ? bpf_test_init.isra.10+0x70/0x100 [ 652.775605] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 652.780380] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 652.785229] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 652.790775] ? fput+0x130/0x1a0 [ 652.794060] ? __bpf_prog_get+0x9b/0x290 [ 652.798147] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 652.802990] ? bpf_prog_test_run+0x130/0x1a0 [ 652.807400] ? __x64_sys_bpf+0x3d8/0x520 [ 652.811451] ? bpf_prog_get+0x20/0x20 [ 652.815276] ? do_syscall_64+0x1b9/0x820 [ 652.819343] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 652.824714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 652.829652] ? trace_hardirqs_on_caller+0x310/0x310 [ 652.834677] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 652.839698] ? recalc_sigpending_tsk+0x180/0x180 [ 652.844462] ? kasan_check_write+0x14/0x20 [ 652.848711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.853578] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 652.858975] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 652.858982] warn_alloc_show_mem: 1 callbacks suppressed [ 652.858989] Mem-Info: [ 652.866007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 652.871382] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 652.871382] active_file:13 inactive_file:34 isolated_file:0 [ 652.871382] unevictable:0 dirty:0 writeback:0 unstable:0 [ 652.871382] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 652.871382] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 652.871382] free:13625 free_pcp:139 free_cma:0 [ 652.873764] Call Trace: [ 652.883159] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 652.916003] [ 652.918585] Node 0 [ 652.946171] dump_stack+0x1c4/0x2b6 [ 652.948330] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 652.950548] ? dump_stack_print_info.cold.1+0x20/0x20 [ 652.954159] lowmem_reserve[]: 0 [ 652.979683] warn_alloc.cold.119+0xb7/0x1bd [ 652.984838] 2819 6323 [ 652.988126] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 652.992424] 6323 [ 652.994938] ? lock_downgrade+0x900/0x900 [ 652.999762] Node 0 [ 653.001836] ? trace_hardirqs_off+0xb8/0x310 [ 653.005989] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 653.008207] ? trace_hardirqs_off+0xb8/0x310 [ 653.012600] lowmem_reserve[]: [ 653.039755] __alloc_pages_slowpath+0x265e/0x2d70 [ 653.044140] 0 [ 653.047273] ? warn_alloc+0x120/0x120 [ 653.052058] 0 3503 [ 653.053873] ? trace_hardirqs_on+0x310/0x310 [ 653.057652] 3503 [ 653.059888] ? warn_alloc+0x120/0x120 [ 653.066344] ? print_usage_bug+0xc0/0xc0 [ 653.070127] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 653.074214] ? warn_alloc+0x120/0x120 [ 653.074232] ? ktime_get+0x2e1/0x440 [ 653.103179] lowmem_reserve[]: 0 [ 653.106993] ? print_usage_bug+0xc0/0xc0 [ 653.110714] 0 [ 653.113997] ? __lock_acquire+0x7ec/0x4ec0 [ 653.118039] 0 [ 653.119844] ? __lock_acquire+0x7ec/0x4ec0 [ 653.124065] 0 [ 653.125871] ? kasan_check_read+0x11/0x20 [ 653.130090] Node 0 [ 653.131897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.136016] DMA: 1*4kB [ 653.138267] ? should_fail+0x22d/0xd01 [ 653.143790] (U) [ 653.146374] ? rcu_bh_qs+0xc0/0xc0 [ 653.150246] 0*8kB [ 653.152223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.155744] 0*16kB [ 653.157890] ? __lock_acquire+0x7ec/0x4ec0 [ 653.162979] 1*32kB [ 653.165214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.169425] (U) [ 653.171663] ? __lock_acquire+0x7ec/0x4ec0 [ 653.176747] 2*64kB [ 653.178726] ? should_fail+0x22d/0xd01 [ 653.182940] (U) [ 653.185176] ? rcu_idle_enter+0x4b0/0x4b0 [ 653.189043] 1*128kB [ 653.191023] ? mark_held_locks+0x130/0x130 [ 653.195147] (U) [ 653.197476] ? mark_held_locks+0x130/0x130 [ 653.201694] 1*256kB [ 653.203676] ? graph_lock+0x170/0x170 [ 653.207880] (U) 0*512kB [ 653.210215] ? print_usage_bug+0xc0/0xc0 [ 653.213992] 1*1024kB (U) [ 653.216676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.220708] 1*2048kB (M) [ 653.223483] ? check_preemption_disabled+0x48/0x280 [ 653.229478] 3*4096kB (M) [ 653.232255] ? check_preemption_disabled+0x48/0x280 [ 653.237248] = 15908kB [ 653.240015] ? __lock_is_held+0xb5/0x140 [ 653.245002] Node 0 [ 653.247419] __alloc_pages_nodemask+0xa80/0xde0 [ 653.251462] DMA32: [ 653.253699] ? graph_lock+0x170/0x170 [ 653.258351] 3*4kB [ 653.260597] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 653.264381] (M) [ 653.266534] ? graph_lock+0x170/0x170 [ 653.271534] 1*8kB (M) [ 653.273546] ? find_held_lock+0x36/0x1c0 [ 653.277327] 3*16kB (UM) [ 653.279843] ? ____cache_alloc_node+0x1c7/0x1e0 [ 653.283874] 3*32kB (UM) [ 653.286553] ? lock_downgrade+0x900/0x900 [ 653.291208] 4*64kB (M) [ 653.293894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.298020] 3*128kB [ 653.300610] cache_grow_begin+0x91/0x8c0 [ 653.306123] (M) [ 653.308447] ? do_raw_spin_unlock+0xa7/0x330 [ 653.312479] 4*256kB (UM) [ 653.314471] fallback_alloc+0x203/0x2e0 [ 653.318857] 3*512kB [ 653.321617] ____cache_alloc_node+0x1c7/0x1e0 [ 653.325581] (M) [ 653.327912] kmem_cache_alloc_node+0xe3/0x730 [ 653.332386] 3*1024kB [ 653.334364] ? ipv6_get_ifaddr+0x42e/0x620 [ 653.338846] (UM) [ 653.341264] __alloc_skb+0x119/0x770 [ 653.345468] 3*2048kB (UM) [ 653.347545] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 653.351244] 3*4096kB [ 653.354093] ? skb_scrub_packet+0x490/0x490 [ 653.359351] (M) [ 653.361759] ? lock_downgrade+0x900/0x900 [ 653.366066] = 24868kB [ 653.368047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.372173] Node 0 [ 653.374598] ? refcount_sub_and_test_checked+0x203/0x310 [ 653.380116] Normal: [ 653.382352] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 653.387786] 871*4kB [ 653.390107] ? addrconf_rs_timer+0x690/0x690 [ 653.395539] (MEH) [ 653.397889] ndisc_alloc_skb+0x144/0x340 [ 653.402272] 470*8kB [ 653.404423] ndisc_send_rs+0x331/0x6e0 [ 653.408465] (MEH) [ 653.410794] addrconf_rs_timer+0x314/0x690 [ 653.414660] 180*16kB [ 653.416812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.421029] (UMEH) [ 653.423452] call_timer_fn+0x272/0x920 [ 653.427659] 61*32kB [ 653.429892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.433762] (UME) [ 653.436086] ? process_timeout+0x40/0x40 [ 653.436102] ? find_held_lock+0x36/0x1c0 [ 653.440315] 19*64kB (UMH) [ 653.442482] ? mark_held_locks+0xc7/0x130 [ 653.446514] 0*128kB 0*256kB [ 653.450602] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.453438] 0*512kB 0*1024kB [ 653.457607] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.460610] 0*2048kB [ 653.465102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.468191] 0*4096kB [ 653.472684] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 653.475080] = 13292kB [ 653.479312] ? trace_hardirqs_on+0xbd/0x310 [ 653.481710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 653.486285] ? kasan_check_read+0x11/0x20 [ 653.488685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 653.493001] ? __run_timers+0x7da/0xc70 [ 653.501816] 238 total pagecache pages [ 653.505967] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 653.514530] 0 pages in swap cache [ 653.518514] ? work_on_cpu_safe+0x90/0x90 [ 653.522296] Swap cache stats: add 0, delete 0, find 0/0 [ 653.527747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.531181] Free swap = 0kB [ 653.535329] __run_timers+0x7e5/0xc70 [ 653.540676] Total swap = 0kB [ 653.544919] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 653.547914] 1965979 pages RAM [ 653.551723] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 653.554730] 0 pages HighMem/MovableOnly [ 653.560095] ? graph_lock+0x170/0x170 [ 653.563183] 342306 pages reserved [ 653.568195] ? print_usage_bug+0xc0/0xc0 [ 653.572150] 0 pages cma reserved [ 653.575947] ? enqueue_hrtimer+0x1a5/0x560 [ 653.579480] aoe: skb alloc failure [ 653.583433] ? lock_release+0x970/0x970 [ 653.583450] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 653.586837] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 653.591043] ? find_held_lock+0x36/0x1c0 [ 653.594585] syz-executor4 cpuset= [ 653.598578] ? graph_lock+0x170/0x170 [ 653.603741] syz4 [ 653.614227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.618272] mems_allowed=0 [ 653.621724] ? check_preemption_disabled+0x48/0x280 [ 653.640943] ? __lock_is_held+0xb5/0x140 [ 653.645014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.650567] ? check_preemption_disabled+0x48/0x280 [ 653.655615] run_timer_softirq+0x52/0xb0 [ 653.659684] ? rcu_read_lock_sched_held+0x108/0x120 [ 653.664704] __do_softirq+0x30c/0xb03 [ 653.668523] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 653.673644] ? pvclock_read_flags+0x160/0x160 [ 653.678145] ? lapic_next_event+0x5a/0x90 [ 653.682303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.687847] ? check_preemption_disabled+0x48/0x280 [ 653.692871] ? check_preemption_disabled+0x48/0x280 [ 653.697898] ? kvm_clock_read+0x18/0x30 [ 653.701875] ? kvm_sched_clock_read+0x9/0x20 [ 653.706293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.711834] ? check_preemption_disabled+0x48/0x280 [ 653.716872] irq_exit+0x17f/0x1c0 [ 653.720331] smp_apic_timer_interrupt+0x1cb/0x760 [ 653.725175] ? smp_reschedule_interrupt+0x109/0x650 [ 653.730200] ? smp_call_function_single_interrupt+0x650/0x650 [ 653.736095] ? interrupt_entry+0xb5/0xf0 [ 653.740163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.745186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.750887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.755740] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.760761] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.765779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.771321] ? check_preemption_disabled+0x48/0x280 [ 653.776338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.781888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.786743] apic_timer_interrupt+0xf/0x20 [ 653.790972] [ 653.793216] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 653.798414] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 653.817320] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 653.825033] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 653.832303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 653.839588] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 653.846864] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 653.854138] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 653.861457] retint_kernel+0x1b/0x2d [ 653.865179] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 653.870462] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 653.889364] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 653.897077] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 653.904349] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 653.911622] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 653.918889] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 653.926160] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 653.933457] ? arch_local_irq_restore+0x45/0x52 [ 653.938143] dump_stack+0x26a/0x2b6 [ 653.941782] ? dump_stack_print_info.cold.1+0x20/0x20 [ 653.946985] ? mark_held_locks+0x130/0x130 [ 653.951223] ? mark_held_locks+0x130/0x130 [ 653.955468] dump_header+0x27b/0xf72 [ 653.959200] ? pagefault_out_of_memory+0x197/0x197 [ 653.964143] ? __lock_acquire+0x7ec/0x4ec0 [ 653.968386] ? print_usage_bug+0xc0/0xc0 [ 653.972459] ? graph_lock+0x170/0x170 [ 653.976264] ? graph_lock+0x170/0x170 [ 653.980073] ? print_usage_bug+0xc0/0xc0 [ 653.984135] ? print_usage_bug+0xc0/0xc0 [ 653.988202] ? print_usage_bug+0xc0/0xc0 [ 653.992282] ? find_held_lock+0x36/0x1c0 [ 653.996362] ? mark_held_locks+0xc7/0x130 [ 654.000519] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.005629] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.010737] ? lockdep_hardirqs_on+0x421/0x5c0 [ 654.015325] ? trace_hardirqs_on+0xbd/0x310 [ 654.019664] ? kasan_check_read+0x11/0x20 [ 654.023815] ? ___ratelimit+0x36f/0x655 [ 654.027797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 654.033252] ? trace_hardirqs_on+0x310/0x310 [ 654.037669] ? lock_downgrade+0x900/0x900 [ 654.041830] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 654.046937] ? ___ratelimit+0xaa/0x655 [ 654.050831] ? idr_get_free+0xec0/0xec0 [ 654.054809] ? kasan_check_write+0x14/0x20 [ 654.059046] ? do_raw_spin_lock+0xc1/0x230 [ 654.063295] oom_kill_process.cold.27+0x10/0x903 [ 654.068058] ? graph_lock+0x170/0x170 [ 654.071865] ? _raw_spin_unlock+0x2c/0x50 [ 654.076022] ? oom_badness+0xe6/0xaa0 [ 654.079835] ? oom_evaluate_task+0x540/0x540 [ 654.084253] ? find_held_lock+0x36/0x1c0 [ 654.088330] ? out_of_memory+0x974/0x1430 [ 654.092485] ? lock_downgrade+0x900/0x900 [ 654.096640] ? check_preemption_disabled+0x48/0x280 [ 654.101673] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 654.107473] ? kasan_check_read+0x11/0x20 [ 654.111631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 654.116914] ? rcu_bh_qs+0xc0/0xc0 [ 654.120982] ? kasan_check_write+0x14/0x20 [ 654.125224] ? oom_evaluate_task+0x302/0x540 [ 654.129642] out_of_memory+0xa84/0x1430 [ 654.133632] ? oom_killer_disable+0x3a0/0x3a0 [ 654.138136] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 654.143075] ? __mutex_add_waiter+0x2a0/0x2a0 [ 654.147606] __alloc_pages_slowpath+0x230f/0x2d70 [ 654.152491] ? warn_alloc+0x120/0x120 [ 654.156299] ? __radix_tree_lookup+0x4c0/0x4c0 [ 654.160906] ? find_get_entry+0x2f2/0xc40 [ 654.165070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.170617] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 654.175564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.181880] ? should_fail+0x22d/0xd01 [ 654.185777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 654.190887] ? __lock_is_held+0xb5/0x140 [ 654.194987] ? __lock_is_held+0xb5/0x140 [ 654.199068] ? find_held_lock+0x36/0x1c0 [ 654.203141] ? ___might_sleep+0x1ed/0x300 [ 654.207289] ? lock_release+0x970/0x970 [ 654.211267] ? arch_local_save_flags+0x40/0x40 [ 654.215870] ? __might_sleep+0x95/0x190 [ 654.219863] __alloc_pages_nodemask+0xa80/0xde0 [ 654.224546] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 654.229597] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 654.235402] ? kasan_check_read+0x11/0x20 [ 654.239563] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 654.244866] ? graph_lock+0x170/0x170 [ 654.248679] ? print_usage_bug+0xc0/0xc0 [ 654.252751] ? graph_lock+0x170/0x170 [ 654.256554] ? graph_lock+0x170/0x170 [ 654.260376] ? __do_page_cache_readahead+0x7ce/0x980 [ 654.265494] ? find_held_lock+0x36/0x1c0 [ 654.269578] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 654.275127] alloc_pages_current+0x10c/0x210 [ 654.279539] ? lock_downgrade+0x900/0x900 [ 654.283713] __page_cache_alloc+0x38f/0x5b0 [ 654.288040] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 654.293842] ? kasan_check_read+0x11/0x20 [ 654.297995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 654.303278] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 654.307956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.313499] ? check_preemption_disabled+0x48/0x280 [ 654.318532] filemap_fault+0x1594/0x25f0 [ 654.322631] ? __lock_page_or_retry+0xa00/0xa00 [ 654.327305] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 654.333107] ? kasan_check_read+0x11/0x20 [ 654.337260] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 654.342541] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.347676] ? rcu_bh_qs+0xc0/0xc0 [ 654.351224] ? trace_hardirqs_on+0xbd/0x310 [ 654.355548] ? kasan_check_read+0x11/0x20 [ 654.359720] ? __free_object+0x173/0x340 [ 654.363794] ? filemap_map_pages+0xdea/0x1980 [ 654.368307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 654.373417] ? __free_object+0x173/0x340 [ 654.377484] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 654.382768] ? debug_object_free+0x325/0x690 [ 654.387186] ? find_get_pages_range_tag+0x1320/0x1320 [ 654.392389] ? graph_lock+0x170/0x170 [ 654.396205] ? kasan_check_read+0x11/0x20 [ 654.400361] ? debug_object_destroy+0x2b0/0x2b0 [ 654.405048] ? lock_acquire+0x1ed/0x520 [ 654.409030] ? ext4_filemap_fault+0x7a/0xad [ 654.413363] ? lock_release+0x970/0x970 [ 654.417347] ? arch_local_save_flags+0x40/0x40 [ 654.421939] ? futex_wait_setup+0x3e0/0x3e0 [ 654.426285] ? down_read+0xb0/0x1d0 [ 654.429915] ? ext4_filemap_fault+0x7a/0xad [ 654.434246] ? __down_interruptible+0x700/0x700 [ 654.438942] ext4_filemap_fault+0x82/0xad [ 654.443103] __do_fault+0x100/0x6b0 [ 654.446746] ? print_bad_pte+0x6c0/0x6c0 [ 654.450813] ? do_futex+0x249/0x26d0 [ 654.454529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.460084] ? check_preemption_disabled+0x48/0x280 [ 654.465107] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 654.469870] ? pmd_val+0x88/0x100 [ 654.473329] ? add_mm_counter_fast+0xd0/0xd0 [ 654.477744] ? pmd_val+0x88/0x100 [ 654.481203] ? add_mm_counter_fast+0xd0/0xd0 [ 654.485622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.491176] __handle_mm_fault+0x3709/0x53e0 [ 654.495603] ? debug_smp_processor_id+0x1c/0x20 [ 654.500292] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 654.505146] ? graph_lock+0x170/0x170 [ 654.508960] ? print_usage_bug+0xc0/0xc0 [ 654.513030] ? should_fail+0xaf/0xd01 [ 654.516843] ? graph_lock+0x170/0x170 [ 654.520651] ? graph_lock+0x170/0x170 [ 654.524484] ? handle_mm_fault+0x42a/0xc70 [ 654.528732] ? lock_downgrade+0x900/0x900 [ 654.532886] ? check_preemption_disabled+0x48/0x280 [ 654.537918] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 654.543724] ? kasan_check_read+0x11/0x20 [ 654.547885] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 654.553171] ? rcu_bh_qs+0xc0/0xc0 [ 654.556726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 654.562192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.567751] ? check_preemption_disabled+0x48/0x280 [ 654.572796] handle_mm_fault+0x54f/0xc70 [ 654.576873] ? __handle_mm_fault+0x53e0/0x53e0 [ 654.581468] ? find_vma+0x34/0x190 [ 654.585029] __do_page_fault+0x67d/0xed0 [ 654.589110] ? mm_fault_error+0x380/0x380 [ 654.593260] ? trace_hardirqs_off+0xb8/0x310 [ 654.597680] ? trace_hardirqs_on+0x310/0x310 [ 654.602100] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 654.607469] ? trace_hardirqs_on+0x310/0x310 [ 654.611891] do_page_fault+0xf2/0x7e0 [ 654.615704] ? vmalloc_sync_all+0x30/0x30 [ 654.619859] ? error_entry+0x70/0xd0 [ 654.623596] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.628622] ? trace_hardirqs_on_caller+0xc0/0x310 [ 654.633580] ? syscall_return_slowpath+0x5e0/0x5e0 [ 654.638522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.643387] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.648416] ? trace_hardirqs_off+0x310/0x310 [ 654.652938] ? prepare_exit_to_usermode+0x291/0x3b0 [ 654.657971] ? page_fault+0x8/0x30 [ 654.661526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.666396] ? page_fault+0x8/0x30 [ 654.669947] page_fault+0x1e/0x30 [ 654.673403] RIP: 0033:0x45ddf3 [ 654.676611] Code: Bad RIP value. [ 654.679976] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 654.685345] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 654.692614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 654.699895] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 654.707171] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 654.714448] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 654.721763] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 654.721847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 654.729055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 654.729061] Call Trace: [ 654.729075] [ 654.729103] dump_stack+0x1c4/0x2b6 [ 654.729122] ? dump_stack_print_info.cold.1+0x20/0x20 [ 654.729153] warn_alloc.cold.119+0xb7/0x1bd [ 654.735701] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 654.745006] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 654.747578] syz-fuzzer cpuset= [ 654.749730] ? lock_downgrade+0x900/0x900 [ 654.753336] / [ 654.758543] ? trace_hardirqs_off+0xb8/0x310 [ 654.762843] mems_allowed=0 [ 654.773097] ? trace_hardirqs_off+0xb8/0x310 [ 654.798714] __alloc_pages_slowpath+0x265e/0x2d70 [ 654.803610] ? warn_alloc+0x120/0x120 [ 654.807430] ? warn_alloc+0x120/0x120 [ 654.811254] ? print_usage_bug+0xc0/0xc0 [ 654.815327] ? warn_alloc+0x120/0x120 [ 654.819136] ? print_usage_bug+0xc0/0xc0 [ 654.823218] ? mark_held_locks+0x130/0x130 [ 654.827470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.833012] ? should_fail+0x22d/0xd01 [ 654.836914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 654.842031] ? __lock_acquire+0x7ec/0x4ec0 [ 654.846283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 654.851397] ? __lock_acquire+0x7ec/0x4ec0 [ 654.855645] ? should_fail+0x22d/0xd01 [ 654.859566] ? mark_held_locks+0x130/0x130 [ 654.863815] ? mark_held_locks+0x130/0x130 [ 654.868063] ? lock_downgrade+0x900/0x900 [ 654.872231] ? graph_lock+0x170/0x170 [ 654.876036] ? graph_lock+0x170/0x170 [ 654.879849] ? graph_lock+0x170/0x170 [ 654.883661] ? print_usage_bug+0xc0/0xc0 [ 654.887733] ? do_raw_spin_unlock+0xa7/0x330 [ 654.892158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.897703] ? check_preemption_disabled+0x48/0x280 [ 654.902731] ? check_preemption_disabled+0x48/0x280 [ 654.907770] ? __lock_is_held+0xb5/0x140 [ 654.911850] __alloc_pages_nodemask+0xa80/0xde0 [ 654.916524] ? graph_lock+0x170/0x170 [ 654.920341] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 654.925363] ? graph_lock+0x170/0x170 [ 654.929186] ? find_held_lock+0x36/0x1c0 [ 654.933285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 654.937965] ? lock_downgrade+0x900/0x900 [ 654.942133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.947687] cache_grow_begin+0x91/0x8c0 [ 654.951761] ? do_raw_spin_unlock+0xa7/0x330 [ 654.956183] fallback_alloc+0x203/0x2e0 [ 654.960169] ____cache_alloc_node+0x1c7/0x1e0 [ 654.964675] kmem_cache_alloc_node+0xe3/0x730 [ 654.969178] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.974287] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 654.978886] __alloc_skb+0x119/0x770 [ 654.982609] ? calc_wheel_index+0x220/0x220 [ 654.986944] ? skb_scrub_packet+0x490/0x490 [ 654.991288] ? vprintk_default+0x28/0x30 [ 654.995353] ? vprintk_func+0x85/0x181 [ 654.999249] ? printk+0xa7/0xcf [ 655.002540] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 655.007330] new_skb+0x26/0x1c0 [ 655.010622] aoecmd_cfg+0x279/0x7f0 [ 655.014267] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 655.018604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.024151] ? check_preemption_disabled+0x48/0x280 [ 655.029171] ? check_preemption_disabled+0x48/0x280 [ 655.034205] ? __lock_is_held+0xb5/0x140 [ 655.038290] discover_timer+0x50/0x60 [ 655.042104] call_timer_fn+0x272/0x920 [ 655.045997] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 655.050848] ? process_timeout+0x40/0x40 [ 655.054911] ? find_held_lock+0x36/0x1c0 [ 655.058991] ? __run_timers+0x7da/0xc70 [ 655.062975] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.067476] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.071975] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 655.076828] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 655.081419] ? trace_hardirqs_on+0xbd/0x310 [ 655.085750] ? kasan_check_read+0x11/0x20 [ 655.089910] ? __run_timers+0x7da/0xc70 [ 655.093894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 655.099374] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 655.104226] __run_timers+0x7e5/0xc70 [ 655.108055] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 655.113441] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 655.118467] ? graph_lock+0x170/0x170 [ 655.122285] ? enqueue_hrtimer+0x1a5/0x560 [ 655.126523] ? lock_release+0x970/0x970 [ 655.130515] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 655.135726] ? find_held_lock+0x36/0x1c0 [ 655.139798] ? graph_lock+0x170/0x170 [ 655.143615] ? pvclock_read_flags+0x160/0x160 [ 655.148120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.153666] ? check_preemption_disabled+0x48/0x280 [ 655.158707] ? __lock_is_held+0xb5/0x140 [ 655.162778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.168327] ? check_preemption_disabled+0x48/0x280 [ 655.173362] run_timer_softirq+0x52/0xb0 [ 655.177435] ? rcu_read_lock_sched_held+0x108/0x120 [ 655.182464] __do_softirq+0x30c/0xb03 [ 655.186284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 655.191400] ? pvclock_read_flags+0x160/0x160 [ 655.195899] ? lapic_next_event+0x5a/0x90 [ 655.200050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.205603] ? check_preemption_disabled+0x48/0x280 [ 655.210622] ? check_preemption_disabled+0x48/0x280 [ 655.215650] ? kvm_clock_read+0x18/0x30 [ 655.219639] ? kvm_sched_clock_read+0x9/0x20 [ 655.224052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.230059] ? check_preemption_disabled+0x48/0x280 [ 655.235128] irq_exit+0x17f/0x1c0 [ 655.238605] smp_apic_timer_interrupt+0x1cb/0x760 [ 655.243447] ? smp_reschedule_interrupt+0x109/0x650 [ 655.248467] ? smp_call_function_single_interrupt+0x650/0x650 [ 655.254378] ? interrupt_entry+0xb5/0xf0 [ 655.258445] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.263476] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.268499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.273346] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.278369] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.283391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.288935] ? check_preemption_disabled+0x48/0x280 [ 655.293955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.299508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.304366] apic_timer_interrupt+0xf/0x20 [ 655.308602] [ 655.310845] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 655.315778] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 655.334691] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 655.342406] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 655.349678] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 655.356951] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 655.364224] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 655.371493] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 655.378822] skb_clone+0x1bb/0x500 [ 655.382366] ? skb_split+0x11e0/0x11e0 [ 655.386263] ? preempt_notifier_register+0x200/0x200 [ 655.391371] ? __switch_to_asm+0x34/0x70 [ 655.395440] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 655.400208] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 655.404978] bpf_clone_redirect+0xb9/0x490 [ 655.409251] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 655.414314] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 655.419112] ? find_held_lock+0x36/0x1c0 [ 655.423189] ? lock_acquire+0x1ed/0x520 [ 655.427168] ? bpf_test_run+0x3cb/0x780 [ 655.431149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.436706] ? check_preemption_disabled+0x48/0x280 [ 655.441736] ? kasan_check_read+0x11/0x20 [ 655.445891] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 655.451175] ? rcu_bh_qs+0xc0/0xc0 [ 655.454724] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 655.459935] ? bpf_test_run+0x25d/0x780 [ 655.463929] ? netlink_diag_dump+0x2a0/0x2a0 [ 655.468345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.473886] ? bpf_test_init.isra.10+0x70/0x100 [ 655.478572] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 655.483373] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 655.488220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 655.493766] ? fput+0x130/0x1a0 [ 655.497053] ? __bpf_prog_get+0x9b/0x290 [ 655.501134] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 655.506003] ? bpf_prog_test_run+0x130/0x1a0 [ 655.510429] ? __x64_sys_bpf+0x3d8/0x520 [ 655.514506] ? bpf_prog_get+0x20/0x20 [ 655.518345] ? do_syscall_64+0x1b9/0x820 [ 655.522423] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 655.527792] ? syscall_return_slowpath+0x5e0/0x5e0 [ 655.532727] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.537746] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 655.542764] ? recalc_sigpending_tsk+0x180/0x180 [ 655.547527] ? kasan_check_write+0x14/0x20 [ 655.551784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.556639] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 655.562031] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 655.562037] warn_alloc_show_mem: 1 callbacks suppressed [ 655.562044] Mem-Info: [ 655.569068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.574445] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 655.574445] active_file:13 inactive_file:34 isolated_file:0 [ 655.574445] unevictable:0 dirty:0 writeback:0 unstable:0 [ 655.574445] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 655.574445] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 655.574445] free:13625 free_pcp:139 free_cma:0 [ 655.576824] Call Trace: [ 655.586213] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 655.619316] [ 655.621908] Node 0 [ 655.649501] dump_stack+0x1c4/0x2b6 [ 655.651648] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 655.653864] ? dump_stack_print_info.cold.1+0x20/0x20 [ 655.657465] lowmem_reserve[]: [ 655.683000] warn_alloc.cold.119+0xb7/0x1bd [ 655.688162] 0 [ 655.691295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 655.695581] 2819 6323 [ 655.697424] ? lock_downgrade+0x900/0x900 [ 655.702261] 6323 [ 655.704790] ? trace_hardirqs_off+0xb8/0x310 [ 655.708913] Node 0 [ 655.710988] ? trace_hardirqs_off+0xb8/0x310 [ 655.715392] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 655.717619] __alloc_pages_slowpath+0x265e/0x2d70 [ 655.721991] lowmem_reserve[]: 0 [ 655.749202] ? warn_alloc+0x120/0x120 [ 655.754007] 0 [ 655.757311] ? warn_alloc+0x120/0x120 [ 655.761102] 3503 [ 655.762916] ? print_usage_bug+0xc0/0xc0 [ 655.766693] 3503 [ 655.768769] ? warn_alloc+0x120/0x120 [ 655.772813] Node 0 [ 655.775183] ? print_usage_bug+0xc0/0xc0 [ 655.778993] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 655.781200] ? __lock_acquire+0x7ec/0x4ec0 [ 655.785240] lowmem_reserve[]: [ 655.813765] ? __lock_acquire+0x7ec/0x4ec0 [ 655.817972] 0 0 [ 655.821092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.825304] 0 [ 655.827281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.832797] 0 [ 655.834610] ? should_fail+0x22d/0xd01 [ 655.840128] Node 0 [ 655.841936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.845798] DMA: [ 655.848036] ? __lock_acquire+0x7ec/0x4ec0 [ 655.853121] 1*4kB [ 655.855181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.859394] (U) [ 655.861540] ? __lock_acquire+0x7ec/0x4ec0 [ 655.866635] 0*8kB [ 655.868612] ? should_fail+0x22d/0xd01 [ 655.872826] 0*16kB [ 655.874980] ? mark_held_locks+0x130/0x130 [ 655.878844] 1*32kB [ 655.881077] ? mark_held_locks+0x130/0x130 [ 655.885297] (U) [ 655.887530] ? graph_lock+0x170/0x170 [ 655.891745] 2*64kB [ 655.893720] ? print_usage_bug+0xc0/0xc0 [ 655.897504] (U) [ 655.899741] ? graph_lock+0x170/0x170 [ 655.903781] 1*128kB [ 655.905759] ? print_usage_bug+0xc0/0xc0 [ 655.909537] (U) [ 655.911880] ? wq_watchdog_touch+0x9c/0xfe [ 655.915916] 1*256kB (U) [ 655.917903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.922118] 0*512kB [ 655.924793] ? check_preemption_disabled+0x48/0x280 [ 655.930318] 1*1024kB (U) [ 655.932653] ? check_preemption_disabled+0x48/0x280 [ 655.937647] 1*2048kB [ 655.940409] ? __lock_is_held+0xb5/0x140 [ 655.945397] (M) [ 655.947812] __alloc_pages_nodemask+0xa80/0xde0 [ 655.951851] 3*4096kB [ 655.953822] ? graph_lock+0x170/0x170 [ 655.958469] (M) [ 655.960882] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 655.964663] = 15908kB [ 655.966637] ? graph_lock+0x170/0x170 [ 655.971631] Node 0 [ 655.974048] ? find_held_lock+0x36/0x1c0 [ 655.977821] DMA32: [ 655.980066] ? ____cache_alloc_node+0x1c7/0x1e0 [ 655.984103] 3*4kB [ 655.986340] ? lock_downgrade+0x900/0x900 [ 655.990990] (M) [ 655.993154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.997271] 1*8kB (M) [ 655.999269] cache_grow_begin+0x91/0x8c0 [ 656.004782] 3*16kB [ 656.007279] ? do_raw_spin_unlock+0xa7/0x330 [ 656.011318] (UM) [ 656.013580] fallback_alloc+0x203/0x2e0 [ 656.017956] 3*32kB [ 656.020020] ____cache_alloc_node+0x1c7/0x1e0 [ 656.023968] (UM) [ 656.026205] kmem_cache_alloc_node+0xe3/0x730 [ 656.030676] 4*64kB [ 656.032739] ? ipv6_get_ifaddr+0x42e/0x620 [ 656.037213] (M) [ 656.039459] __alloc_skb+0x119/0x770 [ 656.043660] 3*128kB (M) [ 656.045653] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 656.049343] 4*256kB [ 656.052015] ? skb_scrub_packet+0x490/0x490 [ 656.057270] (UM) [ 656.059609] ? lock_downgrade+0x900/0x900 [ 656.063916] 3*512kB [ 656.065984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.070108] (M) [ 656.072437] ? refcount_sub_and_test_checked+0x203/0x310 [ 656.077952] 3*1024kB [ 656.079927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 656.085355] (UM) [ 656.087767] ? addrconf_rs_timer+0x690/0x690 [ 656.093196] 3*2048kB [ 656.095267] ndisc_alloc_skb+0x144/0x340 [ 656.099646] (UM) [ 656.102091] ndisc_send_rs+0x331/0x6e0 [ 656.106134] 3*4096kB (M) [ 656.108217] addrconf_rs_timer+0x314/0x690 [ 656.112088] = 24868kB [ 656.114849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.119345] Node 0 [ 656.121780] call_timer_fn+0x272/0x920 [ 656.125975] Normal: 871*4kB [ 656.128226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.132099] (MEH) [ 656.135124] ? process_timeout+0x40/0x40 [ 656.139333] 470*8kB (MEH) [ 656.141499] ? find_held_lock+0x36/0x1c0 [ 656.145544] 180*16kB [ 656.148404] ? mark_held_locks+0xc7/0x130 [ 656.152445] (UMEH) [ 656.154857] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.158984] 61*32kB [ 656.161220] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.165698] (UME) [ 656.168025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.172503] 19*64kB [ 656.174657] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 656.178870] (UMH) [ 656.181204] ? trace_hardirqs_on+0xbd/0x310 [ 656.185765] 0*128kB [ 656.187919] ? kasan_check_read+0x11/0x20 [ 656.192216] 0*256kB [ 656.194541] ? __run_timers+0x7da/0xc70 [ 656.198668] 0*512kB [ 656.200993] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 656.204949] 0*1024kB [ 656.207276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.212709] 0*2048kB [ 656.215123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 656.219335] 0*4096kB [ 656.221748] __run_timers+0x7e5/0xc70 [ 656.225960] = 13292kB [ 656.228380] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 656.232162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 656.234584] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 656.239925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 656.248755] ? graph_lock+0x170/0x170 [ 656.253762] 238 total pagecache pages [ 656.262366] ? print_usage_bug+0xc0/0xc0 [ 656.266160] 0 pages in swap cache [ 656.269965] ? enqueue_hrtimer+0x1a5/0x560 [ 656.274006] Swap cache stats: add 0, delete 0, find 0/0 [ 656.277466] ? lock_release+0x970/0x970 [ 656.281674] Free swap = 0kB [ 656.281684] Total swap = 0kB [ 656.287055] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 656.291009] 1965979 pages RAM [ 656.294044] ? find_held_lock+0x36/0x1c0 [ 656.297027] 0 pages HighMem/MovableOnly [ 656.297037] 342306 pages reserved [ 656.302232] ? graph_lock+0x170/0x170 [ 656.305314] 0 pages cma reserved [ 656.309381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.313407] aoe: skb alloc failure [ 656.316789] ? check_preemption_disabled+0x48/0x280 [ 656.320651] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 656.323966] ? __lock_is_held+0xb5/0x140 [ 656.329472] syz-executor4 cpuset= [ 656.333018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.338010] syz4 [ 656.348513] ? check_preemption_disabled+0x48/0x280 [ 656.352569] mems_allowed=0 [ 656.356036] run_timer_softirq+0x52/0xb0 [ 656.375521] ? rcu_read_lock_sched_held+0x108/0x120 [ 656.380584] __do_softirq+0x30c/0xb03 [ 656.384416] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 656.389543] ? pvclock_read_flags+0x160/0x160 [ 656.394069] ? lapic_next_event+0x5a/0x90 [ 656.398232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.403781] ? check_preemption_disabled+0x48/0x280 [ 656.408809] ? check_preemption_disabled+0x48/0x280 [ 656.413847] ? kvm_clock_read+0x18/0x30 [ 656.417834] ? kvm_sched_clock_read+0x9/0x20 [ 656.422258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.427808] ? check_preemption_disabled+0x48/0x280 [ 656.432853] irq_exit+0x17f/0x1c0 [ 656.436326] smp_apic_timer_interrupt+0x1cb/0x760 [ 656.441179] ? smp_reschedule_interrupt+0x109/0x650 [ 656.446207] ? smp_call_function_single_interrupt+0x650/0x650 [ 656.452104] ? interrupt_entry+0xb5/0xf0 [ 656.456180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.461206] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.466239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.471094] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.476122] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.481157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.486705] ? check_preemption_disabled+0x48/0x280 [ 656.491734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.497291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.502151] apic_timer_interrupt+0xf/0x20 [ 656.506383] [ 656.508633] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 656.513830] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 656.532757] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 656.540483] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 656.547766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 656.555042] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 656.562321] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 656.569602] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 656.576928] retint_kernel+0x1b/0x2d [ 656.580650] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 656.585936] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 656.604843] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 656.612576] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 656.619854] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 656.627131] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 656.634400] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 656.641671] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 656.648984] ? arch_local_irq_restore+0x45/0x52 [ 656.653671] dump_stack+0x26a/0x2b6 [ 656.657312] ? dump_stack_print_info.cold.1+0x20/0x20 [ 656.662520] ? mark_held_locks+0x130/0x130 [ 656.666758] ? mark_held_locks+0x130/0x130 [ 656.671003] dump_header+0x27b/0xf72 [ 656.674739] ? pagefault_out_of_memory+0x197/0x197 [ 656.679681] ? __lock_acquire+0x7ec/0x4ec0 [ 656.683929] ? print_usage_bug+0xc0/0xc0 [ 656.688003] ? graph_lock+0x170/0x170 [ 656.691807] ? graph_lock+0x170/0x170 [ 656.695617] ? print_usage_bug+0xc0/0xc0 [ 656.699682] ? print_usage_bug+0xc0/0xc0 [ 656.703753] ? print_usage_bug+0xc0/0xc0 [ 656.707866] ? find_held_lock+0x36/0x1c0 [ 656.711943] ? mark_held_locks+0xc7/0x130 [ 656.716107] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 656.721215] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 656.726323] ? lockdep_hardirqs_on+0x421/0x5c0 [ 656.730913] ? trace_hardirqs_on+0xbd/0x310 [ 656.735241] ? kasan_check_read+0x11/0x20 [ 656.739397] ? ___ratelimit+0x36f/0x655 [ 656.743378] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 656.748927] ? trace_hardirqs_on+0x310/0x310 [ 656.753347] ? lock_downgrade+0x900/0x900 [ 656.757509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 656.762624] ? ___ratelimit+0xaa/0x655 [ 656.771599] ? idr_get_free+0xec0/0xec0 [ 656.778193] ? kasan_check_write+0x14/0x20 [ 656.782440] ? do_raw_spin_lock+0xc1/0x230 [ 656.786688] oom_kill_process.cold.27+0x10/0x903 [ 656.791451] ? graph_lock+0x170/0x170 [ 656.795257] ? _raw_spin_unlock+0x2c/0x50 [ 656.799410] ? oom_badness+0xe6/0xaa0 [ 656.803225] ? oom_evaluate_task+0x540/0x540 [ 656.807647] ? find_held_lock+0x36/0x1c0 [ 656.811724] ? out_of_memory+0x974/0x1430 [ 656.815880] ? lock_downgrade+0x900/0x900 [ 656.820034] ? check_preemption_disabled+0x48/0x280 [ 656.825066] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 656.830874] ? kasan_check_read+0x11/0x20 [ 656.835031] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 656.840313] ? rcu_bh_qs+0xc0/0xc0 [ 656.843868] ? kasan_check_write+0x14/0x20 [ 656.848111] ? oom_evaluate_task+0x302/0x540 [ 656.852537] out_of_memory+0xa84/0x1430 [ 656.856543] ? oom_killer_disable+0x3a0/0x3a0 [ 656.861061] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 656.866004] ? __mutex_add_waiter+0x2a0/0x2a0 [ 656.870523] __alloc_pages_slowpath+0x230f/0x2d70 [ 656.875421] ? warn_alloc+0x120/0x120 [ 656.879230] ? __radix_tree_lookup+0x4c0/0x4c0 [ 656.883832] ? find_get_entry+0x2f2/0xc40 [ 656.887999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.893545] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 656.898496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.904043] ? should_fail+0x22d/0xd01 [ 656.907941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 656.913052] ? __lock_is_held+0xb5/0x140 [ 656.917163] ? __lock_is_held+0xb5/0x140 [ 656.921246] ? find_held_lock+0x36/0x1c0 [ 656.925324] ? ___might_sleep+0x1ed/0x300 [ 656.929476] ? lock_release+0x970/0x970 [ 656.933459] ? arch_local_save_flags+0x40/0x40 [ 656.938061] ? __might_sleep+0x95/0x190 [ 656.942051] __alloc_pages_nodemask+0xa80/0xde0 [ 656.946742] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 656.951773] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 656.957592] ? kasan_check_read+0x11/0x20 [ 656.961757] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 656.967043] ? graph_lock+0x170/0x170 [ 656.970852] ? print_usage_bug+0xc0/0xc0 [ 656.974920] ? graph_lock+0x170/0x170 [ 656.978727] ? graph_lock+0x170/0x170 [ 656.982535] ? __do_page_cache_readahead+0x7ce/0x980 [ 656.987661] ? find_held_lock+0x36/0x1c0 [ 656.991740] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 656.997297] alloc_pages_current+0x10c/0x210 [ 657.001714] ? lock_downgrade+0x900/0x900 [ 657.005883] __page_cache_alloc+0x38f/0x5b0 [ 657.010215] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 657.016021] ? kasan_check_read+0x11/0x20 [ 657.020185] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 657.025472] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 657.030150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.035702] ? check_preemption_disabled+0x48/0x280 [ 657.040741] filemap_fault+0x1594/0x25f0 [ 657.044829] ? __lock_page_or_retry+0xa00/0xa00 [ 657.049510] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 657.055315] ? kasan_check_read+0x11/0x20 [ 657.059476] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 657.064762] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 657.069877] ? rcu_bh_qs+0xc0/0xc0 [ 657.073424] ? trace_hardirqs_on+0xbd/0x310 [ 657.077756] ? kasan_check_read+0x11/0x20 [ 657.081912] ? __free_object+0x173/0x340 [ 657.085996] ? filemap_map_pages+0xdea/0x1980 [ 657.090511] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 657.095628] ? __free_object+0x173/0x340 [ 657.099706] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 657.104990] ? debug_object_free+0x325/0x690 [ 657.109410] ? find_get_pages_range_tag+0x1320/0x1320 [ 657.114616] ? graph_lock+0x170/0x170 [ 657.118897] ? kasan_check_read+0x11/0x20 [ 657.123062] ? debug_object_destroy+0x2b0/0x2b0 [ 657.127751] ? lock_acquire+0x1ed/0x520 [ 657.131732] ? ext4_filemap_fault+0x7a/0xad [ 657.136070] ? lock_release+0x970/0x970 [ 657.140054] ? arch_local_save_flags+0x40/0x40 [ 657.144648] ? futex_wait_setup+0x3e0/0x3e0 [ 657.148997] ? down_read+0xb0/0x1d0 [ 657.152630] ? ext4_filemap_fault+0x7a/0xad [ 657.156955] ? __down_interruptible+0x700/0x700 [ 657.161653] ext4_filemap_fault+0x82/0xad [ 657.165811] __do_fault+0x100/0x6b0 [ 657.169447] ? print_bad_pte+0x6c0/0x6c0 [ 657.173516] ? do_futex+0x249/0x26d0 [ 657.177234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.183717] ? check_preemption_disabled+0x48/0x280 [ 657.188739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 657.193498] ? pmd_val+0x88/0x100 [ 657.196960] ? add_mm_counter_fast+0xd0/0xd0 [ 657.201373] ? pmd_val+0x88/0x100 [ 657.204831] ? add_mm_counter_fast+0xd0/0xd0 [ 657.209250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.214796] __handle_mm_fault+0x3709/0x53e0 [ 657.219209] ? debug_smp_processor_id+0x1c/0x20 [ 657.223900] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 657.228863] ? graph_lock+0x170/0x170 [ 657.232669] ? print_usage_bug+0xc0/0xc0 [ 657.236730] ? should_fail+0xaf/0xd01 [ 657.240540] ? graph_lock+0x170/0x170 [ 657.244356] ? graph_lock+0x170/0x170 [ 657.248184] ? handle_mm_fault+0x42a/0xc70 [ 657.252421] ? lock_downgrade+0x900/0x900 [ 657.256585] ? check_preemption_disabled+0x48/0x280 [ 657.261617] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 657.267424] ? kasan_check_read+0x11/0x20 [ 657.271589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 657.276873] ? rcu_bh_qs+0xc0/0xc0 [ 657.280416] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 657.285872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.291416] ? check_preemption_disabled+0x48/0x280 [ 657.296446] handle_mm_fault+0x54f/0xc70 [ 657.300513] ? __handle_mm_fault+0x53e0/0x53e0 [ 657.305103] ? find_vma+0x34/0x190 [ 657.308653] __do_page_fault+0x67d/0xed0 [ 657.312725] ? mm_fault_error+0x380/0x380 [ 657.316871] ? trace_hardirqs_off+0xb8/0x310 [ 657.321290] ? trace_hardirqs_on+0x310/0x310 [ 657.325703] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 657.331070] ? trace_hardirqs_on+0x310/0x310 [ 657.335488] do_page_fault+0xf2/0x7e0 [ 657.339295] ? vmalloc_sync_all+0x30/0x30 [ 657.343443] ? error_entry+0x70/0xd0 [ 657.347161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 657.352194] ? trace_hardirqs_on_caller+0xc0/0x310 [ 657.357125] ? syscall_return_slowpath+0x5e0/0x5e0 [ 657.362054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.366902] ? trace_hardirqs_on_caller+0x310/0x310 [ 657.371917] ? trace_hardirqs_off+0x310/0x310 [ 657.376424] ? prepare_exit_to_usermode+0x291/0x3b0 [ 657.381447] ? page_fault+0x8/0x30 [ 657.384993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.389845] ? page_fault+0x8/0x30 [ 657.393392] page_fault+0x1e/0x30 [ 657.396850] RIP: 0033:0x45ddf3 [ 657.400050] Code: Bad RIP value. [ 657.403411] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 657.408774] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 657.416042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 657.423310] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 657.430596] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 657.437865] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 657.445178] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 657.445265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 657.452472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.452478] Call Trace: [ 657.452485] [ 657.452512] dump_stack+0x1c4/0x2b6 [ 657.452531] ? dump_stack_print_info.cold.1+0x20/0x20 [ 657.459115] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 657.468390] warn_alloc.cold.119+0xb7/0x1bd [ 657.470943] syz-fuzzer cpuset= [ 657.473099] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 657.476708] / [ 657.481900] ? lock_downgrade+0x900/0x900 [ 657.492108] mems_allowed=0 [ 657.496434] ? trace_hardirqs_off+0xb8/0x310 [ 657.517619] ? trace_hardirqs_off+0xb8/0x310 [ 657.522045] __alloc_pages_slowpath+0x265e/0x2d70 [ 657.526931] ? warn_alloc+0x120/0x120 [ 657.530740] ? pvclock_read_flags+0x160/0x160 [ 657.535241] ? warn_alloc+0x120/0x120 [ 657.539055] ? print_usage_bug+0xc0/0xc0 [ 657.543130] ? warn_alloc+0x120/0x120 [ 657.546940] ? kvm_clock_read+0x18/0x30 [ 657.550917] ? print_usage_bug+0xc0/0xc0 [ 657.554981] ? ktime_get+0x2e1/0x440 [ 657.558700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.564256] ? check_preemption_disabled+0x48/0x280 [ 657.569277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.574824] ? should_fail+0x22d/0xd01 [ 657.578724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 657.584012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.589120] ? __lock_acquire+0x7ec/0x4ec0 [ 657.593367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.598474] ? __lock_acquire+0x7ec/0x4ec0 [ 657.602715] ? should_fail+0x22d/0xd01 [ 657.606617] ? print_usage_bug+0xc0/0xc0 [ 657.610695] ? mark_held_locks+0x130/0x130 [ 657.614939] ? mark_held_locks+0x130/0x130 [ 657.619191] ? graph_lock+0x170/0x170 [ 657.622994] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 657.628017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.633569] ? check_preemption_disabled+0x48/0x280 [ 657.638599] ? check_preemption_disabled+0x48/0x280 [ 657.643632] ? __lock_is_held+0xb5/0x140 [ 657.647711] __alloc_pages_nodemask+0xa80/0xde0 [ 657.652387] ? graph_lock+0x170/0x170 [ 657.656195] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 657.661253] ? graph_lock+0x170/0x170 [ 657.665076] ? find_held_lock+0x36/0x1c0 [ 657.669160] ? ____cache_alloc_node+0x1c7/0x1e0 [ 657.673834] ? lock_downgrade+0x900/0x900 [ 657.677993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.683544] cache_grow_begin+0x91/0x8c0 [ 657.687629] ? do_raw_spin_unlock+0xa7/0x330 [ 657.692082] fallback_alloc+0x203/0x2e0 [ 657.696091] ____cache_alloc_node+0x1c7/0x1e0 [ 657.700610] kmem_cache_alloc_node+0xe3/0x730 [ 657.705112] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 657.710221] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 657.714814] __alloc_skb+0x119/0x770 [ 657.718542] ? calc_wheel_index+0x220/0x220 [ 657.722890] ? skb_scrub_packet+0x490/0x490 [ 657.727229] ? vprintk_default+0x28/0x30 [ 657.731293] ? vprintk_func+0x85/0x181 [ 657.735190] ? printk+0xa7/0xcf [ 657.738473] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 657.743252] new_skb+0x26/0x1c0 [ 657.746543] aoecmd_cfg+0x279/0x7f0 [ 657.750191] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 657.754521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.760063] ? check_preemption_disabled+0x48/0x280 [ 657.765096] ? check_preemption_disabled+0x48/0x280 [ 657.770142] ? __lock_is_held+0xb5/0x140 [ 657.774233] discover_timer+0x50/0x60 [ 657.778040] call_timer_fn+0x272/0x920 [ 657.781942] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 657.786791] ? process_timeout+0x40/0x40 [ 657.790856] ? find_held_lock+0x36/0x1c0 [ 657.794934] ? __run_timers+0x7da/0xc70 [ 657.798922] ? _raw_spin_unlock_irq+0x27/0x80 [ 657.803422] ? _raw_spin_unlock_irq+0x27/0x80 [ 657.807925] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 657.812771] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 657.817365] ? trace_hardirqs_on+0xbd/0x310 [ 657.821713] ? kasan_check_read+0x11/0x20 [ 657.825867] ? __run_timers+0x7da/0xc70 [ 657.829847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 657.835326] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 657.840178] __run_timers+0x7e5/0xc70 [ 657.844002] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 657.849377] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 657.854405] ? graph_lock+0x170/0x170 [ 657.858212] ? enqueue_hrtimer+0x1a5/0x560 [ 657.862448] ? lock_release+0x970/0x970 [ 657.866430] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 657.871632] ? find_held_lock+0x36/0x1c0 [ 657.875704] ? graph_lock+0x170/0x170 [ 657.879509] ? pvclock_read_flags+0x160/0x160 [ 657.884008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.889586] ? check_preemption_disabled+0x48/0x280 [ 657.894623] ? __lock_is_held+0xb5/0x140 [ 657.898691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.904233] ? check_preemption_disabled+0x48/0x280 [ 657.909262] run_timer_softirq+0x52/0xb0 [ 657.913332] ? rcu_read_lock_sched_held+0x108/0x120 [ 657.918352] __do_softirq+0x30c/0xb03 [ 657.922173] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 657.927288] ? pvclock_read_flags+0x160/0x160 [ 657.931785] ? lapic_next_event+0x5a/0x90 [ 657.935939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.941489] ? check_preemption_disabled+0x48/0x280 [ 657.946518] ? check_preemption_disabled+0x48/0x280 [ 657.951543] ? kvm_clock_read+0x18/0x30 [ 657.955536] ? kvm_sched_clock_read+0x9/0x20 [ 657.959959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.965499] ? check_preemption_disabled+0x48/0x280 [ 657.970534] irq_exit+0x17f/0x1c0 [ 657.974004] smp_apic_timer_interrupt+0x1cb/0x760 [ 657.978849] ? smp_reschedule_interrupt+0x109/0x650 [ 657.983874] ? smp_call_function_single_interrupt+0x650/0x650 [ 657.989773] ? interrupt_entry+0xb5/0xf0 [ 657.993854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 657.998876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 658.003899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.008746] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.013766] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.018787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.024331] ? check_preemption_disabled+0x48/0x280 [ 658.029350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.034925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.039782] apic_timer_interrupt+0xf/0x20 [ 658.044012] [ 658.046261] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 658.051210] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 658.070113] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 658.077829] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 658.085102] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 658.092370] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 658.099641] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 658.106914] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 658.114239] skb_clone+0x1bb/0x500 [ 658.117785] ? skb_split+0x11e0/0x11e0 [ 658.121955] ? preempt_notifier_register+0x200/0x200 [ 658.127062] ? __switch_to_asm+0x34/0x70 [ 658.131167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 658.135941] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 658.140716] bpf_clone_redirect+0xb9/0x490 [ 658.144965] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 658.149997] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 658.154774] ? find_held_lock+0x36/0x1c0 [ 658.158846] ? lock_acquire+0x1ed/0x520 [ 658.162826] ? bpf_test_run+0x3cb/0x780 [ 658.166810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.172354] ? check_preemption_disabled+0x48/0x280 [ 658.177397] ? kasan_check_read+0x11/0x20 [ 658.181555] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 658.186861] ? rcu_bh_qs+0xc0/0xc0 [ 658.190409] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 658.195619] ? bpf_test_run+0x25d/0x780 [ 658.199613] ? netlink_diag_dump+0x2a0/0x2a0 [ 658.204030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.209576] ? bpf_test_init.isra.10+0x70/0x100 [ 658.214260] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 658.219033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.223877] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 658.229420] ? fput+0x130/0x1a0 [ 658.232708] ? __bpf_prog_get+0x9b/0x290 [ 658.236776] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.241621] ? bpf_prog_test_run+0x130/0x1a0 [ 658.246041] ? __x64_sys_bpf+0x3d8/0x520 [ 658.250113] ? bpf_prog_get+0x20/0x20 [ 658.253941] ? do_syscall_64+0x1b9/0x820 [ 658.258006] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 658.263372] ? syscall_return_slowpath+0x5e0/0x5e0 [ 658.268327] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.273352] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 658.278369] ? recalc_sigpending_tsk+0x180/0x180 [ 658.283135] ? kasan_check_write+0x14/0x20 [ 658.287382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.292242] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 658.297631] warn_alloc_show_mem: 1 callbacks suppressed [ 658.297643] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 658.297645] Mem-Info: [ 658.297677] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 658.297677] active_file:13 inactive_file:34 isolated_file:0 [ 658.297677] unevictable:0 dirty:0 writeback:0 unstable:0 [ 658.297677] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 658.297677] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 658.297677] free:13625 free_pcp:139 free_cma:0 [ 658.303036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 658.303044] Call Trace: [ 658.310095] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 658.312503] [ 658.345370] Node 0 [ 658.354730] dump_stack+0x1c4/0x2b6 [ 658.357313] 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 [ 658.384876] ? dump_stack_print_info.cold.1+0x20/0x20 [ 658.387003] lowmem_reserve[]: [ 658.389261] warn_alloc.cold.119+0xb7/0x1bd [ 658.392856] 0 [ 658.418356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 658.423537] 2819 [ 658.426659] ? lock_downgrade+0x900/0x900 [ 658.430954] 6323 6323 [ 658.432775] ? trace_hardirqs_off+0xb8/0x310 [ 658.439662] ? trace_hardirqs_off+0xb8/0x310 [ 658.443784] Node 0 [ 658.446308] __alloc_pages_slowpath+0x265e/0x2d70 [ 658.450717] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 658.455122] ? warn_alloc+0x120/0x120 [ 658.457312] lowmem_reserve[]: [ 658.462757] ? trace_hardirqs_on+0x310/0x310 [ 658.489885] 0 0 [ 658.493707] ? warn_alloc+0x120/0x120 [ 658.496784] 3503 [ 658.501193] ? print_usage_bug+0xc0/0xc0 [ 658.503150] 3503 [ 658.506949] ? warn_alloc+0x120/0x120 [ 658.508996] Node 0 [ 658.513054] ? ktime_get+0x2e1/0x440 [ 658.515135] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 658.518905] ? print_usage_bug+0xc0/0xc0 [ 658.521114] lowmem_reserve[]: 0 [ 658.524836] ? __lock_acquire+0x7ec/0x4ec0 [ 658.553178] 0 0 [ 658.557278] ? __lock_acquire+0x7ec/0x4ec0 [ 658.560537] 0 [ 658.564783] ? kasan_check_read+0x11/0x20 [ 658.570974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.572767] Node 0 [ 658.576918] ? should_fail+0x22d/0xd01 [ 658.582434] DMA: [ 658.584700] ? rcu_bh_qs+0xc0/0xc0 [ 658.588574] 1*4kB [ 658.590644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.594162] (U) [ 658.596315] ? __lock_acquire+0x7ec/0x4ec0 [ 658.601391] 0*8kB 0*16kB [ 658.603375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.607583] 1*32kB (U) [ 658.610350] ? __lock_acquire+0x7ec/0x4ec0 [ 658.615426] 2*64kB (U) [ 658.618019] ? should_fail+0x22d/0xd01 [ 658.622229] 1*128kB (U) [ 658.624823] ? rcu_idle_enter+0x4b0/0x4b0 [ 658.628688] 1*256kB [ 658.631363] ? mark_held_locks+0x130/0x130 [ 658.635482] (U) [ 658.637808] ? mark_held_locks+0x130/0x130 [ 658.642023] 0*512kB [ 658.643996] ? mark_held_locks+0xc7/0x130 [ 658.648214] 1*1024kB [ 658.650536] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 658.654661] (U) [ 658.657068] ? graph_lock+0x170/0x170 [ 658.662069] 1*2048kB [ 658.664045] ? print_usage_bug+0xc0/0xc0 [ 658.667823] (M) 3*4096kB [ 658.670249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.674284] (M) [ 658.677047] ? check_preemption_disabled+0x48/0x280 [ 658.682572] = 15908kB [ 658.684552] ? check_preemption_disabled+0x48/0x280 [ 658.689554] Node 0 [ 658.691988] ? __lock_is_held+0xb5/0x140 [ 658.696970] DMA32: 3*4kB [ 658.699225] __alloc_pages_nodemask+0xa80/0xde0 [ 658.703259] (M) [ 658.706014] ? graph_lock+0x170/0x170 [ 658.710667] 1*8kB [ 658.712641] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 658.716417] (M) [ 658.718581] ? graph_lock+0x170/0x170 [ 658.723585] 3*16kB [ 658.725580] ? find_held_lock+0x36/0x1c0 [ 658.729346] (UM) [ 658.731600] ? ____cache_alloc_node+0x1c7/0x1e0 [ 658.735632] 3*32kB [ 658.737696] ? lock_downgrade+0x900/0x900 [ 658.742344] (UM) [ 658.744598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.748707] 4*64kB (M) [ 658.750780] cache_grow_begin+0x91/0x8c0 [ 658.756295] 3*128kB [ 658.758880] ? do_raw_spin_unlock+0xa7/0x330 [ 658.762915] (M) 4*256kB [ 658.765989] fallback_alloc+0x203/0x2e0 [ 658.771175] (UM) 3*512kB [ 658.773862] ____cache_alloc_node+0x1c7/0x1e0 [ 658.777814] (M) [ 658.780591] kmem_cache_alloc_node+0xe3/0x730 [ 658.785052] 3*1024kB (UM) [ 658.787042] ? ipv6_get_ifaddr+0x42e/0x620 [ 658.791519] 3*2048kB [ 658.794368] __alloc_skb+0x119/0x770 [ 658.798574] (UM) 3*4096kB [ 658.801003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 658.804694] (M) [ 658.807539] ? skb_scrub_packet+0x490/0x490 [ 658.812787] = 24868kB [ 658.812796] Node 0 [ 658.814773] ? lock_downgrade+0x900/0x900 [ 658.819070] Normal: [ 658.821488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.823700] 871*4kB [ 658.827847] ? refcount_sub_and_test_checked+0x203/0x310 [ 658.830150] (MEH) [ 658.835694] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 658.837990] 470*8kB (MEH) [ 658.843448] ? addrconf_rs_timer+0x690/0x690 [ 658.845579] 180*16kB (UMEH) [ 658.851049] ndisc_alloc_skb+0x144/0x340 [ 658.853864] 61*32kB [ 658.858273] ndisc_send_rs+0x331/0x6e0 [ 658.861267] (UME) [ 658.865335] addrconf_rs_timer+0x314/0x690 [ 658.867630] 19*64kB (UMH) [ 658.871527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.873666] 0*128kB [ 658.877915] call_timer_fn+0x272/0x920 [ 658.880729] 0*256kB [ 658.884964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.887273] 0*512kB [ 658.891162] ? process_timeout+0x40/0x40 [ 658.893462] 0*1024kB [ 658.897692] ? find_held_lock+0x36/0x1c0 [ 658.899990] 0*2048kB 0*4096kB [ 658.904066] ? mark_held_locks+0xc7/0x130 [ 658.906455] = 13292kB [ 658.910517] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.913696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 658.917836] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.920236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 658.924729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.933547] 238 total pagecache pages [ 658.938058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 658.946625] 0 pages in swap cache [ 658.950856] ? trace_hardirqs_on+0xbd/0x310 [ 658.954637] Swap cache stats: add 0, delete 0, find 0/0 [ 658.959221] ? kasan_check_read+0x11/0x20 [ 658.962667] Free swap = 0kB [ 658.966990] ? __run_timers+0x7da/0xc70 [ 658.972326] Total swap = 0kB [ 658.972335] 1965979 pages RAM [ 658.976484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 658.979475] 0 pages HighMem/MovableOnly [ 658.979484] 342306 pages reserved [ 658.983470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.986451] 0 pages cma reserved [ 658.986538] aoe: skb alloc failure [ 658.989579] __run_timers+0x7e5/0xc70 [ 658.989616] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 658.995091] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 658.999031] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 659.002459] syz-executor4 cpuset= [ 659.006692] ? graph_lock+0x170/0x170 [ 659.010045] syz4 [ 659.013602] ? print_usage_bug+0xc0/0xc0 [ 659.017396] mems_allowed=0 [ 659.022754] ? enqueue_hrtimer+0x1a5/0x560 [ 659.058643] ? lock_release+0x970/0x970 [ 659.062631] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 659.067841] ? find_held_lock+0x36/0x1c0 [ 659.071910] ? graph_lock+0x170/0x170 [ 659.075720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.081270] ? check_preemption_disabled+0x48/0x280 [ 659.086306] ? __lock_is_held+0xb5/0x140 [ 659.090371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.095919] ? check_preemption_disabled+0x48/0x280 [ 659.100952] run_timer_softirq+0x52/0xb0 [ 659.105020] ? rcu_read_lock_sched_held+0x108/0x120 [ 659.110045] __do_softirq+0x30c/0xb03 [ 659.113865] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 659.118987] ? pvclock_read_flags+0x160/0x160 [ 659.123490] ? lapic_next_event+0x5a/0x90 [ 659.127646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.133190] ? check_preemption_disabled+0x48/0x280 [ 659.138212] ? check_preemption_disabled+0x48/0x280 [ 659.143250] ? kvm_clock_read+0x18/0x30 [ 659.147233] ? kvm_sched_clock_read+0x9/0x20 [ 659.151648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.157193] ? check_preemption_disabled+0x48/0x280 [ 659.162233] irq_exit+0x17f/0x1c0 [ 659.165692] smp_apic_timer_interrupt+0x1cb/0x760 [ 659.170537] ? smp_reschedule_interrupt+0x109/0x650 [ 659.175590] ? smp_call_function_single_interrupt+0x650/0x650 [ 659.181487] ? interrupt_entry+0xb5/0xf0 [ 659.185570] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.190607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.195629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.200480] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.205505] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.210534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.216090] ? check_preemption_disabled+0x48/0x280 [ 659.221145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.226784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.231636] apic_timer_interrupt+0xf/0x20 [ 659.235870] [ 659.238115] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 659.243311] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 659.262215] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 659.269931] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 659.277202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 659.284472] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 659.291740] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 659.299010] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 659.306328] retint_kernel+0x1b/0x2d [ 659.310049] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 659.315328] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 659.334230] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 659.341946] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 659.349215] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 659.356485] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 659.363764] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 659.371039] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 659.378332] ? arch_local_irq_restore+0x45/0x52 [ 659.383018] dump_stack+0x26a/0x2b6 [ 659.386655] ? dump_stack_print_info.cold.1+0x20/0x20 [ 659.391856] ? mark_held_locks+0x130/0x130 [ 659.396096] ? mark_held_locks+0x130/0x130 [ 659.400347] dump_header+0x27b/0xf72 [ 659.404086] ? pagefault_out_of_memory+0x197/0x197 [ 659.409225] ? __lock_acquire+0x7ec/0x4ec0 [ 659.413470] ? print_usage_bug+0xc0/0xc0 [ 659.417546] ? graph_lock+0x170/0x170 [ 659.421361] ? graph_lock+0x170/0x170 [ 659.425170] ? print_usage_bug+0xc0/0xc0 [ 659.429232] ? print_usage_bug+0xc0/0xc0 [ 659.433300] ? print_usage_bug+0xc0/0xc0 [ 659.437380] ? find_held_lock+0x36/0x1c0 [ 659.441459] ? mark_held_locks+0xc7/0x130 [ 659.445618] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 659.450728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 659.455838] ? lockdep_hardirqs_on+0x421/0x5c0 [ 659.460433] ? trace_hardirqs_on+0xbd/0x310 [ 659.464759] ? kasan_check_read+0x11/0x20 [ 659.468911] ? ___ratelimit+0x36f/0x655 [ 659.472893] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 659.478353] ? trace_hardirqs_on+0x310/0x310 [ 659.482787] ? lock_downgrade+0x900/0x900 [ 659.486955] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 659.492069] ? ___ratelimit+0xaa/0x655 [ 659.495969] ? idr_get_free+0xec0/0xec0 [ 659.499952] ? kasan_check_write+0x14/0x20 [ 659.504193] ? do_raw_spin_lock+0xc1/0x230 [ 659.508455] oom_kill_process.cold.27+0x10/0x903 [ 659.513218] ? graph_lock+0x170/0x170 [ 659.517022] ? _raw_spin_unlock+0x2c/0x50 [ 659.521177] ? oom_badness+0xe6/0xaa0 [ 659.524989] ? oom_evaluate_task+0x540/0x540 [ 659.529411] ? find_held_lock+0x36/0x1c0 [ 659.533485] ? out_of_memory+0x974/0x1430 [ 659.537645] ? lock_downgrade+0x900/0x900 [ 659.541802] ? check_preemption_disabled+0x48/0x280 [ 659.546835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 659.552641] ? kasan_check_read+0x11/0x20 [ 659.556798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 659.562080] ? rcu_bh_qs+0xc0/0xc0 [ 659.565630] ? kasan_check_write+0x14/0x20 [ 659.569868] ? oom_evaluate_task+0x302/0x540 [ 659.574287] out_of_memory+0xa84/0x1430 [ 659.578357] ? oom_killer_disable+0x3a0/0x3a0 [ 659.582863] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 659.587802] ? __mutex_add_waiter+0x2a0/0x2a0 [ 659.592322] __alloc_pages_slowpath+0x230f/0x2d70 [ 659.597206] ? warn_alloc+0x120/0x120 [ 659.601010] ? __radix_tree_lookup+0x4c0/0x4c0 [ 659.605622] ? find_get_entry+0x2f2/0xc40 [ 659.609789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.615333] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 659.620268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.625816] ? should_fail+0x22d/0xd01 [ 659.629719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 659.634828] ? __lock_is_held+0xb5/0x140 [ 659.638924] ? __lock_is_held+0xb5/0x140 [ 659.643005] ? find_held_lock+0x36/0x1c0 [ 659.647076] ? ___might_sleep+0x1ed/0x300 [ 659.651230] ? lock_release+0x970/0x970 [ 659.655210] ? arch_local_save_flags+0x40/0x40 [ 659.659815] ? __might_sleep+0x95/0x190 [ 659.664027] __alloc_pages_nodemask+0xa80/0xde0 [ 659.668714] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 659.673739] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 659.679546] ? kasan_check_read+0x11/0x20 [ 659.683716] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 659.689004] ? graph_lock+0x170/0x170 [ 659.692814] ? print_usage_bug+0xc0/0xc0 [ 659.696884] ? graph_lock+0x170/0x170 [ 659.700691] ? graph_lock+0x170/0x170 [ 659.704500] ? __do_page_cache_readahead+0x7ce/0x980 [ 659.709616] ? find_held_lock+0x36/0x1c0 [ 659.713694] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 659.719241] alloc_pages_current+0x10c/0x210 [ 659.723656] ? lock_downgrade+0x900/0x900 [ 659.727927] __page_cache_alloc+0x38f/0x5b0 [ 659.732260] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 659.738064] ? kasan_check_read+0x11/0x20 [ 659.742221] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 659.747509] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 659.752186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.757734] ? check_preemption_disabled+0x48/0x280 [ 659.762764] filemap_fault+0x1594/0x25f0 [ 659.767819] ? __lock_page_or_retry+0xa00/0xa00 [ 659.772498] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 659.778305] ? kasan_check_read+0x11/0x20 [ 659.782463] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 659.787747] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 659.792859] ? rcu_bh_qs+0xc0/0xc0 [ 659.796406] ? trace_hardirqs_on+0xbd/0x310 [ 659.800734] ? kasan_check_read+0x11/0x20 [ 659.804891] ? __free_object+0x173/0x340 [ 659.809444] ? filemap_map_pages+0xdea/0x1980 [ 659.813954] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 659.819066] ? __free_object+0x173/0x340 [ 659.823139] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 659.828417] ? debug_object_free+0x325/0x690 [ 659.832833] ? find_get_pages_range_tag+0x1320/0x1320 [ 659.838034] ? graph_lock+0x170/0x170 [ 659.841849] ? kasan_check_read+0x11/0x20 [ 659.846005] ? debug_object_destroy+0x2b0/0x2b0 [ 659.850695] ? lock_acquire+0x1ed/0x520 [ 659.854679] ? ext4_filemap_fault+0x7a/0xad [ 659.859012] ? lock_release+0x970/0x970 [ 659.862989] ? arch_local_save_flags+0x40/0x40 [ 659.867595] ? futex_wait_setup+0x3e0/0x3e0 [ 659.871939] ? down_read+0xb0/0x1d0 [ 659.875581] ? ext4_filemap_fault+0x7a/0xad [ 659.879910] ? __down_interruptible+0x700/0x700 [ 659.884619] ext4_filemap_fault+0x82/0xad [ 659.888777] __do_fault+0x100/0x6b0 [ 659.892415] ? print_bad_pte+0x6c0/0x6c0 [ 659.896480] ? do_futex+0x249/0x26d0 [ 659.900218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.905763] ? check_preemption_disabled+0x48/0x280 [ 659.910787] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 659.915553] ? pmd_val+0x88/0x100 [ 659.919025] ? add_mm_counter_fast+0xd0/0xd0 [ 659.923439] ? pmd_val+0x88/0x100 [ 659.926902] ? add_mm_counter_fast+0xd0/0xd0 [ 659.931322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.936874] __handle_mm_fault+0x3709/0x53e0 [ 659.941286] ? debug_smp_processor_id+0x1c/0x20 [ 659.945971] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 659.950820] ? graph_lock+0x170/0x170 [ 659.954623] ? print_usage_bug+0xc0/0xc0 [ 659.958688] ? should_fail+0xaf/0xd01 [ 659.962497] ? graph_lock+0x170/0x170 [ 659.966300] ? graph_lock+0x170/0x170 [ 659.970131] ? handle_mm_fault+0x42a/0xc70 [ 659.974373] ? lock_downgrade+0x900/0x900 [ 659.978527] ? check_preemption_disabled+0x48/0x280 [ 659.983578] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 659.989387] ? kasan_check_read+0x11/0x20 [ 659.993540] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 659.998845] ? rcu_bh_qs+0xc0/0xc0 [ 660.002392] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 660.007856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.013401] ? check_preemption_disabled+0x48/0x280 [ 660.018439] handle_mm_fault+0x54f/0xc70 [ 660.022510] ? __handle_mm_fault+0x53e0/0x53e0 [ 660.027099] ? find_vma+0x34/0x190 [ 660.030651] __do_page_fault+0x67d/0xed0 [ 660.034725] ? mm_fault_error+0x380/0x380 [ 660.038879] ? trace_hardirqs_off+0xb8/0x310 [ 660.043289] ? trace_hardirqs_on+0x310/0x310 [ 660.047711] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 660.053937] ? trace_hardirqs_on+0x310/0x310 [ 660.058358] do_page_fault+0xf2/0x7e0 [ 660.062164] ? vmalloc_sync_all+0x30/0x30 [ 660.066314] ? error_entry+0x70/0xd0 [ 660.070036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.075055] ? trace_hardirqs_on_caller+0xc0/0x310 [ 660.079990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 660.084922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.089770] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.094791] ? trace_hardirqs_off+0x310/0x310 [ 660.099302] ? prepare_exit_to_usermode+0x291/0x3b0 [ 660.104328] ? page_fault+0x8/0x30 [ 660.107876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.112725] ? page_fault+0x8/0x30 [ 660.116270] page_fault+0x1e/0x30 [ 660.120210] RIP: 0033:0x45ddf3 [ 660.123411] Code: Bad RIP value. [ 660.126779] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 660.132147] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 660.139421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 660.146696] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 660.153968] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 660.161240] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 660.168551] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 660.168654] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 660.175855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 660.175865] Call Trace: [ 660.183188] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 660.192428] [ 660.195011] syz-fuzzer cpuset= [ 660.205258] dump_stack+0x1c4/0x2b6 [ 660.207388] / [ 660.210602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 660.214221] mems_allowed=0 [ 660.215956] warn_alloc.cold.119+0xb7/0x1bd [ 660.228378] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 660.233246] ? lock_downgrade+0x900/0x900 [ 660.237415] ? trace_hardirqs_off+0xb8/0x310 [ 660.241841] ? trace_hardirqs_off+0xb8/0x310 [ 660.246275] __alloc_pages_slowpath+0x265e/0x2d70 [ 660.251170] ? warn_alloc+0x120/0x120 [ 660.254998] ? warn_alloc+0x120/0x120 [ 660.258811] ? print_usage_bug+0xc0/0xc0 [ 660.262894] ? warn_alloc+0x120/0x120 [ 660.266714] ? print_usage_bug+0xc0/0xc0 [ 660.270792] ? mark_held_locks+0x130/0x130 [ 660.275047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.280607] ? should_fail+0x22d/0xd01 [ 660.284512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.289627] ? __lock_acquire+0x7ec/0x4ec0 [ 660.293879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.298987] ? __lock_acquire+0x7ec/0x4ec0 [ 660.303230] ? should_fail+0x22d/0xd01 [ 660.307140] ? mark_held_locks+0x130/0x130 [ 660.311386] ? mark_held_locks+0x130/0x130 [ 660.315632] ? lock_downgrade+0x900/0x900 [ 660.319796] ? graph_lock+0x170/0x170 [ 660.323609] ? graph_lock+0x170/0x170 [ 660.327419] ? graph_lock+0x170/0x170 [ 660.331231] ? print_usage_bug+0xc0/0xc0 [ 660.335303] ? do_raw_spin_unlock+0xa7/0x330 [ 660.339726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.345276] ? check_preemption_disabled+0x48/0x280 [ 660.350298] ? check_preemption_disabled+0x48/0x280 [ 660.355366] ? __lock_is_held+0xb5/0x140 [ 660.359465] __alloc_pages_nodemask+0xa80/0xde0 [ 660.364151] ? graph_lock+0x170/0x170 [ 660.367967] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 660.372986] ? graph_lock+0x170/0x170 [ 660.376809] ? find_held_lock+0x36/0x1c0 [ 660.380890] ? ____cache_alloc_node+0x1c7/0x1e0 [ 660.385574] ? lock_downgrade+0x900/0x900 [ 660.389767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.395322] cache_grow_begin+0x91/0x8c0 [ 660.399391] ? do_raw_spin_unlock+0xa7/0x330 [ 660.403822] fallback_alloc+0x203/0x2e0 [ 660.407817] ____cache_alloc_node+0x1c7/0x1e0 [ 660.412329] kmem_cache_alloc_node+0xe3/0x730 [ 660.416833] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 660.421954] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 660.426555] __alloc_skb+0x119/0x770 [ 660.430292] ? calc_wheel_index+0x220/0x220 [ 660.434623] ? skb_scrub_packet+0x490/0x490 [ 660.438964] ? vprintk_default+0x28/0x30 [ 660.443032] ? vprintk_func+0x85/0x181 [ 660.446930] ? printk+0xa7/0xcf [ 660.450232] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 660.455016] new_skb+0x26/0x1c0 [ 660.458308] aoecmd_cfg+0x279/0x7f0 [ 660.461952] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 660.466289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.471837] ? check_preemption_disabled+0x48/0x280 [ 660.476863] ? check_preemption_disabled+0x48/0x280 [ 660.481902] ? __lock_is_held+0xb5/0x140 [ 660.485987] discover_timer+0x50/0x60 [ 660.489799] call_timer_fn+0x272/0x920 [ 660.493696] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 660.498551] ? process_timeout+0x40/0x40 [ 660.502631] ? find_held_lock+0x36/0x1c0 [ 660.506709] ? __run_timers+0x7da/0xc70 [ 660.510697] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.515201] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.519709] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 660.524574] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 660.529175] ? trace_hardirqs_on+0xbd/0x310 [ 660.533511] ? kasan_check_read+0x11/0x20 [ 660.537668] ? __run_timers+0x7da/0xc70 [ 660.541654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 660.547136] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 660.551991] __run_timers+0x7e5/0xc70 [ 660.555816] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 660.561197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 660.566225] ? graph_lock+0x170/0x170 [ 660.570038] ? enqueue_hrtimer+0x1a5/0x560 [ 660.574281] ? lock_release+0x970/0x970 [ 660.578277] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 660.583490] ? find_held_lock+0x36/0x1c0 [ 660.587572] ? graph_lock+0x170/0x170 [ 660.591387] ? pvclock_read_flags+0x160/0x160 [ 660.595897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.601455] ? check_preemption_disabled+0x48/0x280 [ 660.606499] ? __lock_is_held+0xb5/0x140 [ 660.610582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.616137] ? check_preemption_disabled+0x48/0x280 [ 660.621177] run_timer_softirq+0x52/0xb0 [ 660.625249] ? rcu_read_lock_sched_held+0x108/0x120 [ 660.630278] __do_softirq+0x30c/0xb03 [ 660.634133] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 660.639258] ? pvclock_read_flags+0x160/0x160 [ 660.643764] ? lapic_next_event+0x5a/0x90 [ 660.647922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.653475] ? check_preemption_disabled+0x48/0x280 [ 660.658505] ? check_preemption_disabled+0x48/0x280 [ 660.663542] ? kvm_clock_read+0x18/0x30 [ 660.667537] ? kvm_sched_clock_read+0x9/0x20 [ 660.671965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.677516] ? check_preemption_disabled+0x48/0x280 [ 660.682566] irq_exit+0x17f/0x1c0 [ 660.686037] smp_apic_timer_interrupt+0x1cb/0x760 [ 660.690890] ? smp_reschedule_interrupt+0x109/0x650 [ 660.695917] ? smp_call_function_single_interrupt+0x650/0x650 [ 660.701810] ? interrupt_entry+0xb5/0xf0 [ 660.705885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.710911] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.715951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.720817] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.725848] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.730878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.736433] ? check_preemption_disabled+0x48/0x280 [ 660.741466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.747032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.751898] apic_timer_interrupt+0xf/0x20 [ 660.756134] [ 660.758391] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 660.763330] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 660.782255] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 660.789989] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 660.797268] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 660.804544] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 660.811835] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 660.819115] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 660.826454] skb_clone+0x1bb/0x500 [ 660.830004] ? skb_split+0x11e0/0x11e0 [ 660.833907] ? preempt_notifier_register+0x200/0x200 [ 660.839021] ? __switch_to_asm+0x34/0x70 [ 660.843105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 660.847880] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 660.852667] bpf_clone_redirect+0xb9/0x490 [ 660.856929] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 660.861970] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 660.866750] ? find_held_lock+0x36/0x1c0 [ 660.870835] ? lock_acquire+0x1ed/0x520 [ 660.874820] ? bpf_test_run+0x3cb/0x780 [ 660.878811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.884371] ? check_preemption_disabled+0x48/0x280 [ 660.889411] ? kasan_check_read+0x11/0x20 [ 660.893587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 660.898883] ? rcu_bh_qs+0xc0/0xc0 [ 660.902438] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 660.907660] ? bpf_test_run+0x25d/0x780 [ 660.911661] ? netlink_diag_dump+0x2a0/0x2a0 [ 660.916094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.921645] ? bpf_test_init.isra.10+0x70/0x100 [ 660.926333] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 660.931117] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 660.935965] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 660.941516] ? fput+0x130/0x1a0 [ 660.944808] ? __bpf_prog_get+0x9b/0x290 [ 660.948881] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 660.953732] ? bpf_prog_test_run+0x130/0x1a0 [ 660.958154] ? __x64_sys_bpf+0x3d8/0x520 [ 660.962222] ? bpf_prog_get+0x20/0x20 [ 660.966068] ? do_syscall_64+0x1b9/0x820 [ 660.970143] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 660.975518] ? syscall_return_slowpath+0x5e0/0x5e0 [ 660.980498] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.985525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 660.990557] ? recalc_sigpending_tsk+0x180/0x180 [ 660.995341] ? kasan_check_write+0x14/0x20 [ 660.999596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.004469] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 661.009872] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 661.009878] warn_alloc_show_mem: 1 callbacks suppressed [ 661.009885] Mem-Info: [ 661.016917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 661.022294] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 661.022294] active_file:13 inactive_file:34 isolated_file:0 [ 661.022294] unevictable:0 dirty:0 writeback:0 unstable:0 [ 661.022294] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 661.022294] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 661.022294] free:13625 free_pcp:139 free_cma:0 [ 661.024671] Call Trace: [ 661.034067] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 661.066932] [ 661.069514] Node 0 [ 661.097127] dump_stack+0x1c4/0x2b6 [ 661.099284] 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 [ 661.101496] ? dump_stack_print_info.cold.1+0x20/0x20 [ 661.105106] lowmem_reserve[]: [ 661.131067] warn_alloc.cold.119+0xb7/0x1bd [ 661.136248] 0 [ 661.139355] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 661.143659] 2819 [ 661.145463] ? lock_downgrade+0x900/0x900 [ 661.150278] 6323 6323 [ 661.152357] ? trace_hardirqs_off+0xb8/0x310 [ 661.158984] ? trace_hardirqs_off+0xb8/0x310 [ 661.163370] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 661.167808] __alloc_pages_slowpath+0x265e/0x2d70 [ 661.167859] ? warn_alloc+0x120/0x120 [ 661.195580] lowmem_reserve[]: 0 [ 661.200456] ? trace_hardirqs_on+0x310/0x310 [ 661.204230] 0 [ 661.207514] ? warn_alloc+0x120/0x120 [ 661.211904] 3503 [ 661.213714] ? print_usage_bug+0xc0/0xc0 [ 661.217492] 3503 [ 661.219578] ? warn_alloc+0x120/0x120 [ 661.223615] Node 0 [ 661.225794] ? ktime_get+0x2e1/0x440 [ 661.225809] ? print_usage_bug+0xc0/0xc0 [ 661.225820] ? __lock_acquire+0x7ec/0x4ec0 [ 661.225827] ? __lock_acquire+0x7ec/0x4ec0 [ 661.225839] ? kasan_check_read+0x11/0x20 [ 661.225849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.225860] ? should_fail+0x22d/0xd01 [ 661.225870] ? rcu_bh_qs+0xc0/0xc0 [ 661.225881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.225889] ? __lock_acquire+0x7ec/0x4ec0 [ 661.225900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.225907] ? __lock_acquire+0x7ec/0x4ec0 [ 661.225915] ? should_fail+0x22d/0xd01 [ 661.225923] ? rcu_idle_enter+0x4b0/0x4b0 [ 661.225936] ? mark_held_locks+0x130/0x130 [ 661.225948] ? mark_held_locks+0x130/0x130 [ 661.225959] ? mark_held_locks+0xc7/0x130 [ 661.225969] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 661.225977] ? graph_lock+0x170/0x170 [ 661.225985] ? print_usage_bug+0xc0/0xc0 [ 661.225994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.226005] ? check_preemption_disabled+0x48/0x280 [ 661.226014] ? check_preemption_disabled+0x48/0x280 [ 661.226028] ? __lock_is_held+0xb5/0x140 [ 661.226041] __alloc_pages_nodemask+0xa80/0xde0 [ 661.226050] ? graph_lock+0x170/0x170 [ 661.226061] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 661.226067] ? graph_lock+0x170/0x170 [ 661.226088] ? find_held_lock+0x36/0x1c0 [ 661.226117] ? ____cache_alloc_node+0x1c7/0x1e0 [ 661.229937] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 661.232149] ? lock_downgrade+0x900/0x900 [ 661.235838] lowmem_reserve[]: 0 [ 661.239917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.244129] 0 [ 661.248377] cache_grow_begin+0x91/0x8c0 [ 661.252492] 0 0 [ 661.258045] ? do_raw_spin_unlock+0xa7/0x330 [ 661.261917] Node 0 [ 661.265471] fallback_alloc+0x203/0x2e0 [ 661.270540] DMA: 1*4kB [ 661.274815] ____cache_alloc_node+0x1c7/0x1e0 [ 661.279898] (U) [ 661.284152] kmem_cache_alloc_node+0xe3/0x730 [ 661.288009] 0*8kB [ 661.292161] ? ipv6_get_ifaddr+0x42e/0x620 [ 661.296374] 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 [ 661.296422] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24868kB [ 661.296489] Node 0 Normal: 871*4kB (MEH) 470*8kB (MEH) 180*16kB (UMEH) 61*32kB (UME) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13292kB [ 661.296548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 661.296554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 661.296557] 238 total pagecache pages [ 661.296583] 0 pages in swap cache [ 661.296596] Swap cache stats: add 0, delete 0, find 0/0 [ 661.300839] __alloc_skb+0x119/0x770 [ 661.304962] Free swap = 0kB [ 661.309989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 661.313772] Total swap = 0kB [ 661.317840] ? skb_scrub_packet+0x490/0x490 [ 661.323350] 1965979 pages RAM [ 661.328367] ? lock_downgrade+0x900/0x900 [ 661.333355] 0 pages HighMem/MovableOnly [ 661.333365] 342306 pages reserved [ 661.337432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.342082] 0 pages cma reserved [ 661.345893] ? refcount_sub_and_test_checked+0x203/0x310 [ 661.350964] aoe: skb alloc failure [ 661.354687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 661.358805] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 661.363402] ? addrconf_rs_timer+0x690/0x690 [ 661.391763] syz-executor4 cpuset= [ 661.395938] ndisc_alloc_skb+0x144/0x340 [ 661.399180] syz4 [ 661.404718] ndisc_send_rs+0x331/0x6e0 [ 661.406504] mems_allowed=0 [ 661.410583] addrconf_rs_timer+0x314/0x690 [ 661.607368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.611634] call_timer_fn+0x272/0x920 [ 661.615531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.619791] ? process_timeout+0x40/0x40 [ 661.623859] ? find_held_lock+0x36/0x1c0 [ 661.627944] ? mark_held_locks+0xc7/0x130 [ 661.632108] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.636618] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.641122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.645368] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 661.649963] ? trace_hardirqs_on+0xbd/0x310 [ 661.654290] ? kasan_check_read+0x11/0x20 [ 661.658447] ? __run_timers+0x7da/0xc70 [ 661.662439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 661.667909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.672156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 661.676400] __run_timers+0x7e5/0xc70 [ 661.680226] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 661.685611] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 661.691452] ? graph_lock+0x170/0x170 [ 661.695265] ? print_usage_bug+0xc0/0xc0 [ 661.699327] ? enqueue_hrtimer+0x1a5/0x560 [ 661.703572] ? lock_release+0x970/0x970 [ 661.707581] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 661.712788] ? find_held_lock+0x36/0x1c0 [ 661.716859] ? graph_lock+0x170/0x170 [ 661.720671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.726224] ? check_preemption_disabled+0x48/0x280 [ 661.731263] ? __lock_is_held+0xb5/0x140 [ 661.735336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.740883] ? check_preemption_disabled+0x48/0x280 [ 661.745918] run_timer_softirq+0x52/0xb0 [ 661.749989] ? rcu_read_lock_sched_held+0x108/0x120 [ 661.755012] __do_softirq+0x30c/0xb03 [ 661.758841] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 661.763962] ? pvclock_read_flags+0x160/0x160 [ 661.768464] ? lapic_next_event+0x5a/0x90 [ 661.774599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.780153] ? check_preemption_disabled+0x48/0x280 [ 661.785177] ? check_preemption_disabled+0x48/0x280 [ 661.790210] ? kvm_clock_read+0x18/0x30 [ 661.794190] ? kvm_sched_clock_read+0x9/0x20 [ 661.798611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.804165] ? check_preemption_disabled+0x48/0x280 [ 661.809210] irq_exit+0x17f/0x1c0 [ 661.812682] smp_apic_timer_interrupt+0x1cb/0x760 [ 661.817533] ? smp_reschedule_interrupt+0x109/0x650 [ 661.822585] ? smp_call_function_single_interrupt+0x650/0x650 [ 661.828481] ? interrupt_entry+0xb5/0xf0 [ 661.832549] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.837594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.842619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.847472] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.852494] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.857525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.863084] ? check_preemption_disabled+0x48/0x280 [ 661.868106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.873663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.878527] apic_timer_interrupt+0xf/0x20 [ 661.882777] [ 661.885024] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 661.890223] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 661.909133] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 661.916851] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 661.924119] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 661.931394] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 661.938666] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 661.945942] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 661.953270] retint_kernel+0x1b/0x2d [ 661.956994] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 661.962276] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 661.981180] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 661.988901] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 661.996174] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 662.003445] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 662.010718] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 662.017991] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 662.025297] ? arch_local_irq_restore+0x45/0x52 [ 662.029986] dump_stack+0x26a/0x2b6 [ 662.033624] ? dump_stack_print_info.cold.1+0x20/0x20 [ 662.038827] ? mark_held_locks+0x130/0x130 [ 662.043067] ? mark_held_locks+0x130/0x130 [ 662.047316] dump_header+0x27b/0xf72 [ 662.051050] ? pagefault_out_of_memory+0x197/0x197 [ 662.055998] ? __lock_acquire+0x7ec/0x4ec0 [ 662.060252] ? print_usage_bug+0xc0/0xc0 [ 662.064331] ? graph_lock+0x170/0x170 [ 662.068136] ? graph_lock+0x170/0x170 [ 662.071949] ? print_usage_bug+0xc0/0xc0 [ 662.076017] ? print_usage_bug+0xc0/0xc0 [ 662.080088] ? print_usage_bug+0xc0/0xc0 [ 662.084169] ? find_held_lock+0x36/0x1c0 [ 662.088250] ? mark_held_locks+0xc7/0x130 [ 662.092408] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 662.097516] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 662.102627] ? lockdep_hardirqs_on+0x421/0x5c0 [ 662.107217] ? trace_hardirqs_on+0xbd/0x310 [ 662.111544] ? kasan_check_read+0x11/0x20 [ 662.115748] ? ___ratelimit+0x36f/0x655 [ 662.119951] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 662.125411] ? trace_hardirqs_on+0x310/0x310 [ 662.129824] ? lock_downgrade+0x900/0x900 [ 662.133991] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 662.139102] ? ___ratelimit+0xaa/0x655 [ 662.143000] ? idr_get_free+0xec0/0xec0 [ 662.146983] ? kasan_check_write+0x14/0x20 [ 662.151224] ? do_raw_spin_lock+0xc1/0x230 [ 662.155474] oom_kill_process.cold.27+0x10/0x903 [ 662.160242] ? graph_lock+0x170/0x170 [ 662.164052] ? _raw_spin_unlock+0x2c/0x50 [ 662.168203] ? oom_badness+0xe6/0xaa0 [ 662.172021] ? oom_evaluate_task+0x540/0x540 [ 662.176444] ? find_held_lock+0x36/0x1c0 [ 662.180526] ? out_of_memory+0x974/0x1430 [ 662.184692] ? lock_downgrade+0x900/0x900 [ 662.188846] ? check_preemption_disabled+0x48/0x280 [ 662.193876] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 662.199679] ? kasan_check_read+0x11/0x20 [ 662.203839] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.209124] ? rcu_bh_qs+0xc0/0xc0 [ 662.212676] ? kasan_check_write+0x14/0x20 [ 662.216915] ? oom_evaluate_task+0x302/0x540 [ 662.221338] out_of_memory+0xa84/0x1430 [ 662.225336] ? oom_killer_disable+0x3a0/0x3a0 [ 662.229847] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 662.234788] ? __mutex_add_waiter+0x2a0/0x2a0 [ 662.239308] __alloc_pages_slowpath+0x230f/0x2d70 [ 662.244197] ? warn_alloc+0x120/0x120 [ 662.247999] ? __radix_tree_lookup+0x4c0/0x4c0 [ 662.252614] ? find_get_entry+0x2f2/0xc40 [ 662.256782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.262325] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 662.267262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.272808] ? should_fail+0x22d/0xd01 [ 662.276705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.281812] ? __lock_is_held+0xb5/0x140 [ 662.285909] ? __lock_is_held+0xb5/0x140 [ 662.289991] ? find_held_lock+0x36/0x1c0 [ 662.294065] ? ___might_sleep+0x1ed/0x300 [ 662.298218] ? lock_release+0x970/0x970 [ 662.302199] ? arch_local_save_flags+0x40/0x40 [ 662.306803] ? __might_sleep+0x95/0x190 [ 662.310796] __alloc_pages_nodemask+0xa80/0xde0 [ 662.315484] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 662.320514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 662.326321] ? kasan_check_read+0x11/0x20 [ 662.330478] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.335767] ? graph_lock+0x170/0x170 [ 662.339594] ? print_usage_bug+0xc0/0xc0 [ 662.343670] ? graph_lock+0x170/0x170 [ 662.347471] ? graph_lock+0x170/0x170 [ 662.351279] ? __do_page_cache_readahead+0x7ce/0x980 [ 662.356397] ? find_held_lock+0x36/0x1c0 [ 662.360471] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 662.366017] alloc_pages_current+0x10c/0x210 [ 662.370429] ? lock_downgrade+0x900/0x900 [ 662.374602] __page_cache_alloc+0x38f/0x5b0 [ 662.378936] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 662.384744] ? kasan_check_read+0x11/0x20 [ 662.388899] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.394189] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 662.398866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.404408] ? check_preemption_disabled+0x48/0x280 [ 662.409439] filemap_fault+0x1594/0x25f0 [ 662.413523] ? __lock_page_or_retry+0xa00/0xa00 [ 662.418196] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 662.423998] ? kasan_check_read+0x11/0x20 [ 662.428151] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.433437] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 662.438549] ? rcu_bh_qs+0xc0/0xc0 [ 662.442120] ? trace_hardirqs_on+0xbd/0x310 [ 662.446446] ? kasan_check_read+0x11/0x20 [ 662.450606] ? __free_object+0x173/0x340 [ 662.454684] ? filemap_map_pages+0xdea/0x1980 [ 662.459198] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 662.464307] ? __free_object+0x173/0x340 [ 662.468376] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 662.473654] ? debug_object_free+0x325/0x690 [ 662.478075] ? find_get_pages_range_tag+0x1320/0x1320 [ 662.483280] ? graph_lock+0x170/0x170 [ 662.487098] ? kasan_check_read+0x11/0x20 [ 662.491257] ? debug_object_destroy+0x2b0/0x2b0 [ 662.495944] ? lock_acquire+0x1ed/0x520 [ 662.499922] ? ext4_filemap_fault+0x7a/0xad [ 662.504254] ? lock_release+0x970/0x970 [ 662.508232] ? arch_local_save_flags+0x40/0x40 [ 662.512828] ? futex_wait_setup+0x3e0/0x3e0 [ 662.517170] ? down_read+0xb0/0x1d0 [ 662.520805] ? ext4_filemap_fault+0x7a/0xad [ 662.525132] ? __down_interruptible+0x700/0x700 [ 662.529828] ext4_filemap_fault+0x82/0xad [ 662.533988] __do_fault+0x100/0x6b0 [ 662.537626] ? print_bad_pte+0x6c0/0x6c0 [ 662.541696] ? do_futex+0x249/0x26d0 [ 662.545417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.550962] ? check_preemption_disabled+0x48/0x280 [ 662.555986] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 662.560750] ? pmd_val+0x88/0x100 [ 662.564212] ? add_mm_counter_fast+0xd0/0xd0 [ 662.568626] ? pmd_val+0x88/0x100 [ 662.572086] ? add_mm_counter_fast+0xd0/0xd0 [ 662.576506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.582060] __handle_mm_fault+0x3709/0x53e0 [ 662.586476] ? debug_smp_processor_id+0x1c/0x20 [ 662.591165] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 662.596023] ? graph_lock+0x170/0x170 [ 662.599833] ? print_usage_bug+0xc0/0xc0 [ 662.603901] ? should_fail+0xaf/0xd01 [ 662.607710] ? graph_lock+0x170/0x170 [ 662.611517] ? graph_lock+0x170/0x170 [ 662.615345] ? handle_mm_fault+0x42a/0xc70 [ 662.619601] ? lock_downgrade+0x900/0x900 [ 662.623762] ? check_preemption_disabled+0x48/0x280 [ 662.628791] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 662.634608] ? kasan_check_read+0x11/0x20 [ 662.638771] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.644056] ? rcu_bh_qs+0xc0/0xc0 [ 662.647609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 662.653069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.658615] ? check_preemption_disabled+0x48/0x280 [ 662.663652] handle_mm_fault+0x54f/0xc70 [ 662.667724] ? __handle_mm_fault+0x53e0/0x53e0 [ 662.672319] ? find_vma+0x34/0x190 [ 662.675872] __do_page_fault+0x67d/0xed0 [ 662.679948] ? mm_fault_error+0x380/0x380 [ 662.684099] ? trace_hardirqs_off+0xb8/0x310 [ 662.688514] ? trace_hardirqs_on+0x310/0x310 [ 662.692932] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 662.698300] ? trace_hardirqs_on+0x310/0x310 [ 662.702721] do_page_fault+0xf2/0x7e0 [ 662.706529] ? vmalloc_sync_all+0x30/0x30 [ 662.710790] ? error_entry+0x70/0xd0 [ 662.714511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 662.719530] ? trace_hardirqs_on_caller+0xc0/0x310 [ 662.724475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 662.729411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.734261] ? trace_hardirqs_on_caller+0x310/0x310 [ 662.739278] ? trace_hardirqs_off+0x310/0x310 [ 662.743784] ? prepare_exit_to_usermode+0x291/0x3b0 [ 662.748803] ? page_fault+0x8/0x30 [ 662.752355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.757207] ? page_fault+0x8/0x30 [ 662.760761] page_fault+0x1e/0x30 [ 662.764216] RIP: 0033:0x45ddf3 [ 662.767419] Code: Bad RIP value. [ 662.770790] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 662.776157] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 662.783432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 662.790709] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 662.797981] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 662.805255] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 662.812599] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 662.812694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 662.819895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 662.819901] Call Trace: [ 662.819909] [ 662.819935] dump_stack+0x1c4/0x2b6 [ 662.819957] ? dump_stack_print_info.cold.1+0x20/0x20 [ 662.826622] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 662.835817] warn_alloc.cold.119+0xb7/0x1bd [ 662.838367] syz-fuzzer cpuset= [ 662.840520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 662.844124] / [ 662.849322] ? lock_downgrade+0x900/0x900 [ 662.859528] mems_allowed=0 [ 662.863855] ? trace_hardirqs_off+0xb8/0x310 [ 662.885036] ? trace_hardirqs_off+0xb8/0x310 [ 662.889473] __alloc_pages_slowpath+0x265e/0x2d70 [ 662.894359] ? warn_alloc+0x120/0x120 [ 662.898173] ? pvclock_read_flags+0x160/0x160 [ 662.902680] ? warn_alloc+0x120/0x120 [ 662.906489] ? print_usage_bug+0xc0/0xc0 [ 662.910556] ? warn_alloc+0x120/0x120 [ 662.914376] ? kvm_clock_read+0x18/0x30 [ 662.918359] ? print_usage_bug+0xc0/0xc0 [ 662.922425] ? ktime_get+0x2e1/0x440 [ 662.926154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.931704] ? check_preemption_disabled+0x48/0x280 [ 662.936735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.942279] ? should_fail+0x22d/0xd01 [ 662.946176] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 662.951462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.956579] ? __lock_acquire+0x7ec/0x4ec0 [ 662.960828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.965935] ? __lock_acquire+0x7ec/0x4ec0 [ 662.970172] ? should_fail+0x22d/0xd01 [ 662.974065] ? print_usage_bug+0xc0/0xc0 [ 662.978156] ? mark_held_locks+0x130/0x130 [ 662.982404] ? mark_held_locks+0x130/0x130 [ 662.986654] ? graph_lock+0x170/0x170 [ 662.990463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 662.995496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.001044] ? check_preemption_disabled+0x48/0x280 [ 663.006071] ? check_preemption_disabled+0x48/0x280 [ 663.011119] ? __lock_is_held+0xb5/0x140 [ 663.015196] __alloc_pages_nodemask+0xa80/0xde0 [ 663.019877] ? graph_lock+0x170/0x170 [ 663.023689] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 663.028707] ? graph_lock+0x170/0x170 [ 663.032525] ? find_held_lock+0x36/0x1c0 [ 663.036618] ? ____cache_alloc_node+0x1c7/0x1e0 [ 663.041310] ? lock_downgrade+0x900/0x900 [ 663.045476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.051027] cache_grow_begin+0x91/0x8c0 [ 663.055102] ? do_raw_spin_unlock+0xa7/0x330 [ 663.059528] fallback_alloc+0x203/0x2e0 [ 663.063523] ____cache_alloc_node+0x1c7/0x1e0 [ 663.068034] kmem_cache_alloc_node+0xe3/0x730 [ 663.072540] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 663.077664] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 663.082265] __alloc_skb+0x119/0x770 [ 663.085986] ? calc_wheel_index+0x220/0x220 [ 663.090318] ? skb_scrub_packet+0x490/0x490 [ 663.094662] ? vprintk_default+0x28/0x30 [ 663.098730] ? vprintk_func+0x85/0x181 [ 663.102630] ? printk+0xa7/0xcf [ 663.105918] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 663.110695] new_skb+0x26/0x1c0 [ 663.113981] aoecmd_cfg+0x279/0x7f0 [ 663.117622] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 663.121961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.127553] ? check_preemption_disabled+0x48/0x280 [ 663.132600] ? check_preemption_disabled+0x48/0x280 [ 663.137646] ? __lock_is_held+0xb5/0x140 [ 663.141731] discover_timer+0x50/0x60 [ 663.145540] call_timer_fn+0x272/0x920 [ 663.149448] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 663.154302] ? process_timeout+0x40/0x40 [ 663.158370] ? find_held_lock+0x36/0x1c0 [ 663.162454] ? __run_timers+0x7da/0xc70 [ 663.166439] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.170943] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.175448] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 663.180296] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 663.184887] ? trace_hardirqs_on+0xbd/0x310 [ 663.189217] ? kasan_check_read+0x11/0x20 [ 663.193374] ? __run_timers+0x7da/0xc70 [ 663.197356] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 663.202832] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 663.207684] __run_timers+0x7e5/0xc70 [ 663.211506] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 663.216877] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 663.221902] ? graph_lock+0x170/0x170 [ 663.225719] ? enqueue_hrtimer+0x1a5/0x560 [ 663.230448] ? lock_release+0x970/0x970 [ 663.234435] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 663.239640] ? find_held_lock+0x36/0x1c0 [ 663.243716] ? graph_lock+0x170/0x170 [ 663.247526] ? pvclock_read_flags+0x160/0x160 [ 663.252036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.257597] ? check_preemption_disabled+0x48/0x280 [ 663.262639] ? __lock_is_held+0xb5/0x140 [ 663.266709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.272257] ? check_preemption_disabled+0x48/0x280 [ 663.277289] run_timer_softirq+0x52/0xb0 [ 663.281360] ? rcu_read_lock_sched_held+0x108/0x120 [ 663.286388] __do_softirq+0x30c/0xb03 [ 663.290206] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 663.295325] ? pvclock_read_flags+0x160/0x160 [ 663.299823] ? lapic_next_event+0x5a/0x90 [ 663.303983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.309534] ? check_preemption_disabled+0x48/0x280 [ 663.314580] ? check_preemption_disabled+0x48/0x280 [ 663.319615] ? kvm_clock_read+0x18/0x30 [ 663.323604] ? kvm_sched_clock_read+0x9/0x20 [ 663.328021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.333573] ? check_preemption_disabled+0x48/0x280 [ 663.338618] irq_exit+0x17f/0x1c0 [ 663.342089] smp_apic_timer_interrupt+0x1cb/0x760 [ 663.346936] ? smp_reschedule_interrupt+0x109/0x650 [ 663.351963] ? smp_call_function_single_interrupt+0x650/0x650 [ 663.357855] ? interrupt_entry+0xb5/0xf0 [ 663.361925] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.366947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.371970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.376823] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.381847] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.386875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.392424] ? check_preemption_disabled+0x48/0x280 [ 663.397444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.403003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.407862] apic_timer_interrupt+0xf/0x20 [ 663.412101] [ 663.414350] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 663.419288] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 663.438200] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 663.445917] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 663.453186] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 663.460460] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 663.467737] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 663.475011] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 663.482344] skb_clone+0x1bb/0x500 [ 663.485896] ? skb_split+0x11e0/0x11e0 [ 663.489794] ? preempt_notifier_register+0x200/0x200 [ 663.494905] ? __switch_to_asm+0x34/0x70 [ 663.498982] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 663.503751] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 663.508576] bpf_clone_redirect+0xb9/0x490 [ 663.512836] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 663.517867] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 663.522645] ? find_held_lock+0x36/0x1c0 [ 663.526722] ? lock_acquire+0x1ed/0x520 [ 663.530709] ? bpf_test_run+0x3cb/0x780 [ 663.534694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.540244] ? check_preemption_disabled+0x48/0x280 [ 663.545284] ? kasan_check_read+0x11/0x20 [ 663.549443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 663.554725] ? rcu_bh_qs+0xc0/0xc0 [ 663.558277] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 663.563486] ? bpf_test_run+0x25d/0x780 [ 663.567479] ? netlink_diag_dump+0x2a0/0x2a0 [ 663.571898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.577440] ? bpf_test_init.isra.10+0x70/0x100 [ 663.582121] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 663.586893] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.591740] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 663.597288] ? fput+0x130/0x1a0 [ 663.600587] ? __bpf_prog_get+0x9b/0x290 [ 663.604663] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.609508] ? bpf_prog_test_run+0x130/0x1a0 [ 663.613931] ? __x64_sys_bpf+0x3d8/0x520 [ 663.618000] ? bpf_prog_get+0x20/0x20 [ 663.621835] ? do_syscall_64+0x1b9/0x820 [ 663.625905] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 663.631279] ? syscall_return_slowpath+0x5e0/0x5e0 [ 663.636220] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.641245] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 663.646281] ? recalc_sigpending_tsk+0x180/0x180 [ 663.651050] ? kasan_check_write+0x14/0x20 [ 663.655305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.660170] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 663.665582] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 663.665589] warn_alloc_show_mem: 1 callbacks suppressed [ 663.665596] Mem-Info: [ 663.672625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 663.678001] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 663.678001] active_file:13 inactive_file:34 isolated_file:0 [ 663.678001] unevictable:0 dirty:0 writeback:0 unstable:0 [ 663.678001] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 663.678001] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 663.678001] free:13625 free_pcp:139 free_cma:0 [ 663.680376] Call Trace: [ 663.689775] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 663.722638] [ 663.725219] Node 0 [ 663.752952] dump_stack+0x1c4/0x2b6 [ 663.755108] 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 [ 663.757325] ? dump_stack_print_info.cold.1+0x20/0x20 [ 663.760922] lowmem_reserve[]: 0 [ 663.786456] warn_alloc.cold.119+0xb7/0x1bd [ 663.791614] 2819 [ 663.794895] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 663.799189] 6323 6323 [ 663.801265] ? lock_downgrade+0x900/0x900 [ 663.806094] Node 0 [ 663.808613] ? trace_hardirqs_off+0xb8/0x310 [ 663.812779] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 663.814994] ? trace_hardirqs_off+0xb8/0x310 [ 663.819374] lowmem_reserve[]: 0 [ 663.846590] __alloc_pages_slowpath+0x265e/0x2d70 [ 663.850971] 0 [ 663.854280] ? warn_alloc+0x120/0x120 [ 663.859111] 3503 3503 [ 663.860926] ? lock_release+0x970/0x970 [ 663.867200] ? warn_alloc+0x120/0x120 [ 663.871159] Node 0 [ 663.874954] ? print_usage_bug+0xc0/0xc0 [ 663.874987] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 663.874995] lowmem_reserve[]: [ 663.877233] ? warn_alloc+0x120/0x120 [ 663.881277] 0 [ 663.909649] ? print_usage_bug+0xc0/0xc0 [ 663.912737] 0 [ 663.916538] ? __lock_acquire+0x7ec/0x4ec0 [ 663.918321] 0 0 [ 663.922390] ? __lock_acquire+0x7ec/0x4ec0 [ 663.928415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.930374] Node 0 [ 663.934615] ? should_fail+0x22d/0xd01 [ 663.940126] DMA: 1*4kB [ 663.942375] ? __lock_acquire+0x7ec/0x4ec0 [ 663.946242] (U) [ 663.948832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.953046] 0*8kB [ 663.955020] ? __lock_acquire+0x7ec/0x4ec0 [ 663.960109] 0*16kB [ 663.962258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.966467] 1*32kB (U) [ 663.968714] ? __lock_acquire+0x7ec/0x4ec0 [ 663.973794] 2*64kB (U) [ 663.976390] ? should_fail+0x22d/0xd01 [ 663.980601] 1*128kB (U) [ 663.983204] ? mark_held_locks+0x130/0x130 [ 663.987067] 1*256kB [ 663.989740] ? mark_held_locks+0x130/0x130 [ 663.993945] (U) 0*512kB [ 663.996280] ? graph_lock+0x170/0x170 [ 664.000495] 1*1024kB [ 664.003163] ? print_usage_bug+0xc0/0xc0 [ 664.006942] (U) 1*2048kB [ 664.009363] ? graph_lock+0x170/0x170 [ 664.013407] (M) [ 664.016164] ? print_usage_bug+0xc0/0xc0 [ 664.019940] 3*4096kB (M) [ 664.021925] ? wq_watchdog_touch+0x9c/0xfe [ 664.025970] = 15908kB [ 664.028733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.032948] Node 0 [ 664.035361] ? check_preemption_disabled+0x48/0x280 [ 664.040877] DMA32: [ 664.043116] ? check_preemption_disabled+0x48/0x280 [ 664.048115] 3*4kB [ 664.050360] ? __lock_is_held+0xb5/0x140 [ 664.055347] (M) [ 664.057503] __alloc_pages_nodemask+0xa80/0xde0 [ 664.061540] 1*8kB [ 664.063522] ? graph_lock+0x170/0x170 [ 664.068168] (M) 3*16kB [ 664.070335] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 664.074114] (UM) [ 664.076698] ? graph_lock+0x170/0x170 [ 664.081700] 3*32kB [ 664.083774] ? find_held_lock+0x36/0x1c0 [ 664.087550] (UM) [ 664.089809] ? ____cache_alloc_node+0x1c7/0x1e0 [ 664.093850] 4*64kB [ 664.095912] ? lock_downgrade+0x900/0x900 [ 664.100570] (M) [ 664.102818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.106936] 3*128kB (M) [ 664.108926] cache_grow_begin+0x91/0x8c0 [ 664.114441] 4*256kB [ 664.117112] ? do_raw_spin_unlock+0xa7/0x330 [ 664.121467] (UM) 3*512kB [ 664.123819] fallback_alloc+0x203/0x2e0 [ 664.128198] (M) [ 664.130963] ____cache_alloc_node+0x1c7/0x1e0 [ 664.134911] 3*1024kB (UM) [ 664.136904] kmem_cache_alloc_node+0xe3/0x730 [ 664.141376] 3*2048kB (UM) [ 664.144235] ? ipv6_get_ifaddr+0x42e/0x620 [ 664.148711] 3*4096kB [ 664.151571] __alloc_skb+0x119/0x770 [ 664.155777] (M) [ 664.158193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 664.161883] = 24868kB [ 664.161893] Node 0 [ 664.163870] ? skb_scrub_packet+0x490/0x490 [ 664.169128] Normal: [ 664.171539] ? lock_downgrade+0x900/0x900 [ 664.173760] 871*4kB [ 664.178809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.181111] (MEH) [ 664.185261] ? refcount_sub_and_test_checked+0x203/0x310 [ 664.187576] 470*8kB [ 664.193115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 664.195244] (MEH) [ 664.200695] ? addrconf_rs_timer+0x690/0x690 [ 664.203002] 180*16kB [ 664.208465] ndisc_alloc_skb+0x144/0x340 [ 664.210595] (UMEH) [ 664.215004] ndisc_send_rs+0x331/0x6e0 [ 664.217389] 61*32kB (UME) [ 664.221460] addrconf_rs_timer+0x314/0x690 [ 664.223672] 19*64kB (UMH) [ 664.227595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.230413] 0*128kB [ 664.234661] call_timer_fn+0x272/0x920 [ 664.237473] 0*256kB [ 664.241703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.244008] 0*512kB [ 664.247892] ? process_timeout+0x40/0x40 [ 664.250203] 0*1024kB 0*2048kB [ 664.254450] ? find_held_lock+0x36/0x1c0 [ 664.256747] 0*4096kB = 13292kB [ 664.260821] ? mark_held_locks+0xc7/0x130 [ 664.264001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 664.268054] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.271232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 664.275377] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.284193] 238 total pagecache pages [ 664.288687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.297253] 0 pages in swap cache [ 664.301743] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 664.305528] Swap cache stats: add 0, delete 0, find 0/0 [ 664.309757] ? trace_hardirqs_on+0xbd/0x310 [ 664.313194] Free swap = 0kB [ 664.317780] ? kasan_check_read+0x11/0x20 [ 664.323124] Total swap = 0kB [ 664.327448] ? __run_timers+0x7da/0xc70 [ 664.330445] 1965979 pages RAM [ 664.334608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 664.337609] 0 pages HighMem/MovableOnly [ 664.341608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 664.344686] 342306 pages reserved [ 664.350136] __run_timers+0x7e5/0xc70 [ 664.354095] 0 pages cma reserved [ 664.358343] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 664.361874] aoe: skb alloc failure [ 664.365586] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 664.369008] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 664.374297] ? graph_lock+0x170/0x170 [ 664.377824] syz-executor4 cpuset= [ 664.382838] ? print_usage_bug+0xc0/0xc0 [ 664.393311] syz4 [ 664.397113] ? enqueue_hrtimer+0x1a5/0x560 [ 664.400549] mems_allowed=0 [ 664.404620] ? lock_release+0x970/0x970 [ 664.417705] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 664.422911] ? find_held_lock+0x36/0x1c0 [ 664.426984] ? graph_lock+0x170/0x170 [ 664.430797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.436342] ? check_preemption_disabled+0x48/0x280 [ 664.441381] ? __lock_is_held+0xb5/0x140 [ 664.445448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.450996] ? check_preemption_disabled+0x48/0x280 [ 664.456026] run_timer_softirq+0x52/0xb0 [ 664.460093] ? rcu_read_lock_sched_held+0x108/0x120 [ 664.465119] __do_softirq+0x30c/0xb03 [ 664.468938] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 664.474055] ? pvclock_read_flags+0x160/0x160 [ 664.478556] ? lapic_next_event+0x5a/0x90 [ 664.482727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.488279] ? check_preemption_disabled+0x48/0x280 [ 664.493298] ? check_preemption_disabled+0x48/0x280 [ 664.498330] ? kvm_clock_read+0x18/0x30 [ 664.502313] ? kvm_sched_clock_read+0x9/0x20 [ 664.506739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.512283] ? check_preemption_disabled+0x48/0x280 [ 664.517333] irq_exit+0x17f/0x1c0 [ 664.520801] smp_apic_timer_interrupt+0x1cb/0x760 [ 664.525647] ? smp_reschedule_interrupt+0x109/0x650 [ 664.530680] ? smp_call_function_single_interrupt+0x650/0x650 [ 664.536593] ? interrupt_entry+0xb5/0xf0 [ 664.540669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.545704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.550730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.555594] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.560614] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.565638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.571184] ? check_preemption_disabled+0x48/0x280 [ 664.576223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.581776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.586635] apic_timer_interrupt+0xf/0x20 [ 664.590871] [ 664.593114] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 664.598313] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 664.617217] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 664.624934] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 664.632210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 664.639484] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 664.646756] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 664.654027] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 664.661347] retint_kernel+0x1b/0x2d [ 664.665066] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 664.670348] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 664.689254] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 664.696970] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 664.704244] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 664.711514] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 664.718783] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 664.726054] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 664.734161] ? arch_local_irq_restore+0x45/0x52 [ 664.738851] dump_stack+0x26a/0x2b6 [ 664.742488] ? dump_stack_print_info.cold.1+0x20/0x20 [ 664.747689] ? mark_held_locks+0x130/0x130 [ 664.751928] ? mark_held_locks+0x130/0x130 [ 664.756175] dump_header+0x27b/0xf72 [ 664.759907] ? pagefault_out_of_memory+0x197/0x197 [ 664.764849] ? __lock_acquire+0x7ec/0x4ec0 [ 664.769332] ? print_usage_bug+0xc0/0xc0 [ 664.773410] ? graph_lock+0x170/0x170 [ 664.777210] ? graph_lock+0x170/0x170 [ 664.781016] ? print_usage_bug+0xc0/0xc0 [ 664.785079] ? print_usage_bug+0xc0/0xc0 [ 664.789149] ? print_usage_bug+0xc0/0xc0 [ 664.793233] ? find_held_lock+0x36/0x1c0 [ 664.797310] ? mark_held_locks+0xc7/0x130 [ 664.801473] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 664.807103] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 664.812216] ? lockdep_hardirqs_on+0x421/0x5c0 [ 664.816808] ? trace_hardirqs_on+0xbd/0x310 [ 664.821136] ? kasan_check_read+0x11/0x20 [ 664.825288] ? ___ratelimit+0x36f/0x655 [ 664.829268] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 664.834727] ? trace_hardirqs_on+0x310/0x310 [ 664.839138] ? lock_downgrade+0x900/0x900 [ 664.843302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 664.848413] ? ___ratelimit+0xaa/0x655 [ 664.852309] ? idr_get_free+0xec0/0xec0 [ 664.856629] ? kasan_check_write+0x14/0x20 [ 664.860869] ? do_raw_spin_lock+0xc1/0x230 [ 664.865118] oom_kill_process.cold.27+0x10/0x903 [ 664.869884] ? graph_lock+0x170/0x170 [ 664.873691] ? _raw_spin_unlock+0x2c/0x50 [ 664.877844] ? oom_badness+0xe6/0xaa0 [ 664.881656] ? oom_evaluate_task+0x540/0x540 [ 664.886073] ? find_held_lock+0x36/0x1c0 [ 664.890151] ? out_of_memory+0x974/0x1430 [ 664.894308] ? lock_downgrade+0x900/0x900 [ 664.898460] ? check_preemption_disabled+0x48/0x280 [ 664.903489] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 664.909291] ? kasan_check_read+0x11/0x20 [ 664.913443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 664.918727] ? rcu_bh_qs+0xc0/0xc0 [ 664.922276] ? kasan_check_write+0x14/0x20 [ 664.926513] ? oom_evaluate_task+0x302/0x540 [ 664.930930] out_of_memory+0xa84/0x1430 [ 664.934918] ? oom_killer_disable+0x3a0/0x3a0 [ 664.939424] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 664.944362] ? __mutex_add_waiter+0x2a0/0x2a0 [ 664.948880] __alloc_pages_slowpath+0x230f/0x2d70 [ 664.953764] ? warn_alloc+0x120/0x120 [ 664.957584] ? __radix_tree_lookup+0x4c0/0x4c0 [ 664.962189] ? find_get_entry+0x2f2/0xc40 [ 664.966354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.971897] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 664.976829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.982372] ? should_fail+0x22d/0xd01 [ 664.986268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 664.991375] ? __lock_is_held+0xb5/0x140 [ 664.995476] ? __lock_is_held+0xb5/0x140 [ 664.999558] ? find_held_lock+0x36/0x1c0 [ 665.003647] ? ___might_sleep+0x1ed/0x300 [ 665.007797] ? lock_release+0x970/0x970 [ 665.011780] ? arch_local_save_flags+0x40/0x40 [ 665.016382] ? __might_sleep+0x95/0x190 [ 665.020368] __alloc_pages_nodemask+0xa80/0xde0 [ 665.025053] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 665.030079] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 665.035881] ? kasan_check_read+0x11/0x20 [ 665.040035] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 665.045317] ? graph_lock+0x170/0x170 [ 665.049125] ? print_usage_bug+0xc0/0xc0 [ 665.053193] ? graph_lock+0x170/0x170 [ 665.057001] ? graph_lock+0x170/0x170 [ 665.060810] ? __do_page_cache_readahead+0x7ce/0x980 [ 665.065925] ? find_held_lock+0x36/0x1c0 [ 665.070005] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 665.075551] alloc_pages_current+0x10c/0x210 [ 665.079985] ? lock_downgrade+0x900/0x900 [ 665.084148] __page_cache_alloc+0x38f/0x5b0 [ 665.088478] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 665.094283] ? kasan_check_read+0x11/0x20 [ 665.098442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 665.103727] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 665.108405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.113952] ? check_preemption_disabled+0x48/0x280 [ 665.119427] filemap_fault+0x1594/0x25f0 [ 665.123509] ? __lock_page_or_retry+0xa00/0xa00 [ 665.128185] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 665.133985] ? kasan_check_read+0x11/0x20 [ 665.138137] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 665.143421] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 665.148528] ? rcu_bh_qs+0xc0/0xc0 [ 665.152081] ? trace_hardirqs_on+0xbd/0x310 [ 665.156409] ? kasan_check_read+0x11/0x20 [ 665.160572] ? __free_object+0x173/0x340 [ 665.164660] ? filemap_map_pages+0xdea/0x1980 [ 665.169170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 665.174280] ? __free_object+0x173/0x340 [ 665.178373] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 665.183663] ? debug_object_free+0x325/0x690 [ 665.188081] ? find_get_pages_range_tag+0x1320/0x1320 [ 665.193285] ? graph_lock+0x170/0x170 [ 665.197103] ? kasan_check_read+0x11/0x20 [ 665.201259] ? debug_object_destroy+0x2b0/0x2b0 [ 665.205947] ? lock_acquire+0x1ed/0x520 [ 665.209925] ? ext4_filemap_fault+0x7a/0xad [ 665.214258] ? lock_release+0x970/0x970 [ 665.218235] ? arch_local_save_flags+0x40/0x40 [ 665.222857] ? futex_wait_setup+0x3e0/0x3e0 [ 665.227369] ? down_read+0xb0/0x1d0 [ 665.230999] ? ext4_filemap_fault+0x7a/0xad [ 665.235327] ? __down_interruptible+0x700/0x700 [ 665.240025] ext4_filemap_fault+0x82/0xad [ 665.244180] __do_fault+0x100/0x6b0 [ 665.247816] ? print_bad_pte+0x6c0/0x6c0 [ 665.251887] ? do_futex+0x249/0x26d0 [ 665.255616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.261161] ? check_preemption_disabled+0x48/0x280 [ 665.266182] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 665.270942] ? pmd_val+0x88/0x100 [ 665.274398] ? add_mm_counter_fast+0xd0/0xd0 [ 665.278807] ? pmd_val+0x88/0x100 [ 665.282267] ? add_mm_counter_fast+0xd0/0xd0 [ 665.286688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.292239] __handle_mm_fault+0x3709/0x53e0 [ 665.296653] ? debug_smp_processor_id+0x1c/0x20 [ 665.301335] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 665.306187] ? graph_lock+0x170/0x170 [ 665.309997] ? print_usage_bug+0xc0/0xc0 [ 665.314067] ? should_fail+0xaf/0xd01 [ 665.317877] ? graph_lock+0x170/0x170 [ 665.321691] ? graph_lock+0x170/0x170 [ 665.325518] ? handle_mm_fault+0x42a/0xc70 [ 665.329763] ? lock_downgrade+0x900/0x900 [ 665.333914] ? check_preemption_disabled+0x48/0x280 [ 665.338948] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 665.344754] ? kasan_check_read+0x11/0x20 [ 665.348912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 665.354196] ? rcu_bh_qs+0xc0/0xc0 [ 665.357740] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 665.363202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.368749] ? check_preemption_disabled+0x48/0x280 [ 665.373787] handle_mm_fault+0x54f/0xc70 [ 665.377856] ? __handle_mm_fault+0x53e0/0x53e0 [ 665.382470] ? find_vma+0x34/0x190 [ 665.386027] __do_page_fault+0x67d/0xed0 [ 665.390104] ? mm_fault_error+0x380/0x380 [ 665.394256] ? trace_hardirqs_off+0xb8/0x310 [ 665.398668] ? trace_hardirqs_on+0x310/0x310 [ 665.403082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 665.408451] ? trace_hardirqs_on+0x310/0x310 [ 665.412871] do_page_fault+0xf2/0x7e0 [ 665.416677] ? vmalloc_sync_all+0x30/0x30 [ 665.420833] ? error_entry+0x70/0xd0 [ 665.424552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.429598] ? trace_hardirqs_on_caller+0xc0/0x310 [ 665.434533] ? syscall_return_slowpath+0x5e0/0x5e0 [ 665.439474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.444321] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.449344] ? trace_hardirqs_off+0x310/0x310 [ 665.453847] ? prepare_exit_to_usermode+0x291/0x3b0 [ 665.458867] ? page_fault+0x8/0x30 [ 665.462413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.467266] ? page_fault+0x8/0x30 [ 665.470813] page_fault+0x1e/0x30 [ 665.474271] RIP: 0033:0x45ddf3 [ 665.477475] Code: Bad RIP value. [ 665.480841] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 665.486212] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 665.493481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 665.500752] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 665.508026] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 665.515294] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 665.522614] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 665.522699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 665.529902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.529908] Call Trace: [ 665.529915] [ 665.529936] dump_stack+0x1c4/0x2b6 [ 665.529956] ? dump_stack_print_info.cold.1+0x20/0x20 [ 665.536495] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 665.545800] warn_alloc.cold.119+0xb7/0x1bd [ 665.548358] syz-fuzzer cpuset= [ 665.550511] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 665.554116] / [ 665.559307] ? lock_downgrade+0x900/0x900 [ 665.569513] mems_allowed=0 [ 665.573833] ? trace_hardirqs_off+0xb8/0x310 [ 665.595014] ? trace_hardirqs_off+0xb8/0x310 [ 665.599437] __alloc_pages_slowpath+0x265e/0x2d70 [ 665.604296] ? warn_alloc+0x120/0x120 [ 665.608103] ? pvclock_read_flags+0x160/0x160 [ 665.612610] ? warn_alloc+0x120/0x120 [ 665.616422] ? print_usage_bug+0xc0/0xc0 [ 665.620491] ? warn_alloc+0x120/0x120 [ 665.624299] ? kvm_clock_read+0x18/0x30 [ 665.628283] ? print_usage_bug+0xc0/0xc0 [ 665.632347] ? ktime_get+0x2e1/0x440 [ 665.636068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.641619] ? check_preemption_disabled+0x48/0x280 [ 665.646646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.652192] ? should_fail+0x22d/0xd01 [ 665.656092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 665.661376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.666483] ? __lock_acquire+0x7ec/0x4ec0 [ 665.670729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.675839] ? __lock_acquire+0x7ec/0x4ec0 [ 665.680085] ? should_fail+0x22d/0xd01 [ 665.683978] ? print_usage_bug+0xc0/0xc0 [ 665.688053] ? mark_held_locks+0x130/0x130 [ 665.692304] ? mark_held_locks+0x130/0x130 [ 665.696557] ? graph_lock+0x170/0x170 [ 665.700379] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 665.705404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.710946] ? check_preemption_disabled+0x48/0x280 [ 665.715970] ? check_preemption_disabled+0x48/0x280 [ 665.721008] ? __lock_is_held+0xb5/0x140 [ 665.725086] __alloc_pages_nodemask+0xa80/0xde0 [ 665.729760] ? graph_lock+0x170/0x170 [ 665.733582] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 665.738607] ? graph_lock+0x170/0x170 [ 665.742426] ? find_held_lock+0x36/0x1c0 [ 665.746506] ? ____cache_alloc_node+0x1c7/0x1e0 [ 665.751180] ? lock_downgrade+0x900/0x900 [ 665.755342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.760893] cache_grow_begin+0x91/0x8c0 [ 665.764961] ? do_raw_spin_unlock+0xa7/0x330 [ 665.769386] fallback_alloc+0x203/0x2e0 [ 665.773361] ____cache_alloc_node+0x1c7/0x1e0 [ 665.777862] kmem_cache_alloc_node+0xe3/0x730 [ 665.782365] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 665.787476] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 665.792082] __alloc_skb+0x119/0x770 [ 665.795809] ? calc_wheel_index+0x220/0x220 [ 665.800143] ? skb_scrub_packet+0x490/0x490 [ 665.804480] ? vprintk_default+0x28/0x30 [ 665.808544] ? vprintk_func+0x85/0x181 [ 665.812451] ? printk+0xa7/0xcf [ 665.815741] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 665.820516] new_skb+0x26/0x1c0 [ 665.823803] aoecmd_cfg+0x279/0x7f0 [ 665.827452] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 665.831788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.837333] ? check_preemption_disabled+0x48/0x280 [ 665.842357] ? check_preemption_disabled+0x48/0x280 [ 665.847395] ? __lock_is_held+0xb5/0x140 [ 665.851479] discover_timer+0x50/0x60 [ 665.855285] call_timer_fn+0x272/0x920 [ 665.859183] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 665.864035] ? process_timeout+0x40/0x40 [ 665.868101] ? find_held_lock+0x36/0x1c0 [ 665.872180] ? __run_timers+0x7da/0xc70 [ 665.876164] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.880667] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.885166] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 665.890015] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 665.894605] ? trace_hardirqs_on+0xbd/0x310 [ 665.898950] ? kasan_check_read+0x11/0x20 [ 665.903107] ? __run_timers+0x7da/0xc70 [ 665.907093] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 665.912574] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 665.917427] __run_timers+0x7e5/0xc70 [ 665.921249] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 665.926626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 665.931653] ? graph_lock+0x170/0x170 [ 665.935467] ? enqueue_hrtimer+0x1a5/0x560 [ 665.939704] ? lock_release+0x970/0x970 [ 665.943688] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 665.948891] ? find_held_lock+0x36/0x1c0 [ 665.952964] ? graph_lock+0x170/0x170 [ 665.956770] ? pvclock_read_flags+0x160/0x160 [ 665.961274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.966817] ? check_preemption_disabled+0x48/0x280 [ 665.971855] ? __lock_is_held+0xb5/0x140 [ 665.975924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.981471] ? check_preemption_disabled+0x48/0x280 [ 665.986502] run_timer_softirq+0x52/0xb0 [ 665.990580] ? rcu_read_lock_sched_held+0x108/0x120 [ 665.995608] __do_softirq+0x30c/0xb03 [ 665.999428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 666.004543] ? pvclock_read_flags+0x160/0x160 [ 666.009049] ? lapic_next_event+0x5a/0x90 [ 666.013208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.018753] ? check_preemption_disabled+0x48/0x280 [ 666.023773] ? check_preemption_disabled+0x48/0x280 [ 666.028802] ? kvm_clock_read+0x18/0x30 [ 666.032777] ? kvm_sched_clock_read+0x9/0x20 [ 666.037190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.042735] ? check_preemption_disabled+0x48/0x280 [ 666.047772] irq_exit+0x17f/0x1c0 [ 666.051232] smp_apic_timer_interrupt+0x1cb/0x760 [ 666.056082] ? smp_reschedule_interrupt+0x109/0x650 [ 666.061105] ? smp_call_function_single_interrupt+0x650/0x650 [ 666.067000] ? interrupt_entry+0xb5/0xf0 [ 666.071072] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.076106] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.081129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.085979] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.090996] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.096015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.101577] ? check_preemption_disabled+0x48/0x280 [ 666.106600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.112147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.117002] apic_timer_interrupt+0xf/0x20 [ 666.121444] [ 666.123731] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 666.128669] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 666.147580] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 666.155297] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 666.162577] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 666.169852] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 666.177122] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 666.184395] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 666.191724] skb_clone+0x1bb/0x500 [ 666.195278] ? skb_split+0x11e0/0x11e0 [ 666.199198] ? preempt_notifier_register+0x200/0x200 [ 666.204308] ? __switch_to_asm+0x34/0x70 [ 666.208383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 666.213149] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 666.217919] bpf_clone_redirect+0xb9/0x490 [ 666.222177] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 666.227213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 666.231983] ? find_held_lock+0x36/0x1c0 [ 666.236063] ? lock_acquire+0x1ed/0x520 [ 666.240050] ? bpf_test_run+0x3cb/0x780 [ 666.244040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.249601] ? check_preemption_disabled+0x48/0x280 [ 666.254633] ? kasan_check_read+0x11/0x20 [ 666.258796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 666.264093] ? rcu_bh_qs+0xc0/0xc0 [ 666.267650] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 666.272856] ? bpf_test_run+0x25d/0x780 [ 666.276848] ? netlink_diag_dump+0x2a0/0x2a0 [ 666.281273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.286816] ? bpf_test_init.isra.10+0x70/0x100 [ 666.291499] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 666.296272] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.301122] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 666.306665] ? fput+0x130/0x1a0 [ 666.309957] ? __bpf_prog_get+0x9b/0x290 [ 666.314030] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.318878] ? bpf_prog_test_run+0x130/0x1a0 [ 666.323297] ? __x64_sys_bpf+0x3d8/0x520 [ 666.327364] ? bpf_prog_get+0x20/0x20 [ 666.331196] ? do_syscall_64+0x1b9/0x820 [ 666.335270] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 666.340647] ? syscall_return_slowpath+0x5e0/0x5e0 [ 666.345594] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.350619] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 666.355643] ? recalc_sigpending_tsk+0x180/0x180 [ 666.360410] ? kasan_check_write+0x14/0x20 [ 666.364657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.369533] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 666.374940] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 666.374947] warn_alloc_show_mem: 1 callbacks suppressed [ 666.374954] Mem-Info: [ 666.381980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.387353] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 666.387353] active_file:13 inactive_file:34 isolated_file:0 [ 666.387353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 666.387353] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 666.387353] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 666.387353] free:13625 free_pcp:139 free_cma:0 [ 666.389732] Call Trace: [ 666.399123] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 666.431974] [ 666.434549] Node 0 [ 666.462152] dump_stack+0x1c4/0x2b6 [ 666.464301] 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 [ 666.466532] ? dump_stack_print_info.cold.1+0x20/0x20 [ 666.470136] lowmem_reserve[]: [ 666.495661] warn_alloc.cold.119+0xb7/0x1bd [ 666.500825] 0 [ 666.503932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 666.508236] 2819 [ 666.510045] ? lock_downgrade+0x900/0x900 [ 666.514864] 6323 [ 666.516931] ? trace_hardirqs_off+0xb8/0x310 [ 666.521053] 6323 [ 666.523119] ? trace_hardirqs_off+0xb8/0x310 [ 666.529592] __alloc_pages_slowpath+0x265e/0x2d70 [ 666.533971] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 666.538848] ? warn_alloc+0x120/0x120 [ 666.538870] ? warn_alloc+0x120/0x120 [ 666.566612] lowmem_reserve[]: 0 [ 666.570443] ? print_usage_bug+0xc0/0xc0 [ 666.574210] 0 3503 [ 666.577502] ? warn_alloc+0x120/0x120 [ 666.581544] 3503 [ 666.583799] ? print_usage_bug+0xc0/0xc0 [ 666.587592] Node 0 [ 666.589658] ? __lock_acquire+0x7ec/0x4ec0 [ 666.593729] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 666.595943] ? __lock_acquire+0x7ec/0x4ec0 [ 666.600152] lowmem_reserve[]: 0 [ 666.628531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.632759] 0 [ 666.636040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.641559] 0 [ 666.643381] ? should_fail+0x22d/0xd01 [ 666.648894] 0 [ 666.650710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.654590] Node 0 [ 666.656398] ? __lock_acquire+0x7ec/0x4ec0 [ 666.661483] DMA: [ 666.663721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.667941] 1*4kB [ 666.670006] ? __lock_acquire+0x7ec/0x4ec0 [ 666.675093] (U) [ 666.677244] ? should_fail+0x22d/0xd01 [ 666.681460] 0*8kB [ 666.683444] ? mark_held_locks+0x130/0x130 [ 666.687298] 0*16kB 1*32kB [ 666.689465] ? mark_held_locks+0x130/0x130 [ 666.693683] (U) [ 666.696525] ? graph_lock+0x170/0x170 [ 666.700744] 2*64kB [ 666.702721] ? print_usage_bug+0xc0/0xc0 [ 666.706500] (U) [ 666.708741] ? graph_lock+0x170/0x170 [ 666.712778] 1*128kB (U) [ 666.714768] ? print_usage_bug+0xc0/0xc0 [ 666.718546] 1*256kB (U) [ 666.721239] ? wq_watchdog_touch+0x9c/0xfe [ 666.725273] 0*512kB 1*1024kB [ 666.727960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.732168] (U) 1*2048kB [ 666.735291] ? check_preemption_disabled+0x48/0x280 [ 666.740803] (M) [ 666.743575] ? check_preemption_disabled+0x48/0x280 [ 666.748574] 3*4096kB (M) [ 666.750598] ? __lock_is_held+0xb5/0x140 [ 666.755590] = 15908kB [ 666.758358] __alloc_pages_nodemask+0xa80/0xde0 [ 666.762394] Node 0 [ 666.764808] ? graph_lock+0x170/0x170 [ 666.769470] DMA32: 3*4kB [ 666.773990] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 666.777775] (M) [ 666.780533] ? graph_lock+0x170/0x170 [ 666.785526] 1*8kB (M) [ 666.787529] ? find_held_lock+0x36/0x1c0 [ 666.791297] 3*16kB (UM) [ 666.793815] ? ____cache_alloc_node+0x1c7/0x1e0 [ 666.797848] 3*32kB [ 666.800517] ? lock_downgrade+0x900/0x900 [ 666.805164] (UM) [ 666.807409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.811533] 4*64kB [ 666.813612] cache_grow_begin+0x91/0x8c0 [ 666.819125] (M) [ 666.821366] ? do_raw_spin_unlock+0xa7/0x330 [ 666.825404] 3*128kB (M) [ 666.827770] fallback_alloc+0x203/0x2e0 [ 666.832158] 4*256kB [ 666.834833] ____cache_alloc_node+0x1c7/0x1e0 [ 666.838785] (UM) [ 666.841115] kmem_cache_alloc_node+0xe3/0x730 [ 666.845596] 3*512kB [ 666.847663] ? ipv6_get_ifaddr+0x42e/0x620 [ 666.852133] (M) 3*1024kB [ 666.854484] __alloc_skb+0x119/0x770 [ 666.858695] (UM) [ 666.861464] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 666.865154] 3*2048kB [ 666.867227] ? skb_scrub_packet+0x490/0x490 [ 666.872482] (UM) [ 666.874904] ? lock_downgrade+0x900/0x900 [ 666.879203] 3*4096kB (M) [ 666.881286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.885411] = 24868kB [ 666.888175] ? refcount_sub_and_test_checked+0x203/0x310 [ 666.893693] Node 0 [ 666.896104] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 666.901527] Normal: 871*4kB [ 666.903784] ? addrconf_rs_timer+0x690/0x690 [ 666.909205] (MEH) 470*8kB [ 666.912245] ndisc_alloc_skb+0x144/0x340 [ 666.916625] (MEH) [ 666.919471] ndisc_send_rs+0x331/0x6e0 [ 666.923503] 180*16kB (UMEH) [ 666.925667] addrconf_rs_timer+0x314/0x690 [ 666.929531] 61*32kB [ 666.932551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.936771] (UME) [ 666.939107] call_timer_fn+0x272/0x920 [ 666.943317] 19*64kB [ 666.945467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.949341] (UMH) [ 666.951665] ? process_timeout+0x40/0x40 [ 666.955873] 0*128kB 0*256kB [ 666.958037] ? find_held_lock+0x36/0x1c0 [ 666.962085] 0*512kB [ 666.965104] ? mark_held_locks+0xc7/0x130 [ 666.969150] 0*1024kB [ 666.971476] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.975602] 0*2048kB [ 666.978012] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.982486] 0*4096kB = 13292kB [ 666.984906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 666.989398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 666.992608] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 666.996814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 666.996824] 238 total pagecache pages [ 667.005664] ? trace_hardirqs_on+0xbd/0x310 [ 667.010237] 0 pages in swap cache [ 667.018810] ? kasan_check_read+0x11/0x20 [ 667.022591] Swap cache stats: add 0, delete 0, find 0/0 [ 667.022601] Free swap = 0kB [ 667.026927] ? __run_timers+0x7da/0xc70 [ 667.030362] Total swap = 0kB [ 667.034507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 667.039852] 1965979 pages RAM [ 667.042890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 667.046847] 0 pages HighMem/MovableOnly [ 667.049870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 667.055303] 342306 pages reserved [ 667.058413] __run_timers+0x7e5/0xc70 [ 667.062623] 0 pages cma reserved [ 667.066620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 667.070904] aoe: skb alloc failure [ 667.074283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 667.078145] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 667.081433] ? graph_lock+0x170/0x170 [ 667.086784] syz-executor4 cpuset= [ 667.090327] ? print_usage_bug+0xc0/0xc0 [ 667.095323] syz4 [ 667.105817] ? enqueue_hrtimer+0x1a5/0x560 [ 667.109598] mems_allowed=0 [ 667.126755] ? lock_release+0x970/0x970 [ 667.130751] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 667.135960] ? find_held_lock+0x36/0x1c0 [ 667.140030] ? graph_lock+0x170/0x170 [ 667.143845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.149395] ? check_preemption_disabled+0x48/0x280 [ 667.154432] ? __lock_is_held+0xb5/0x140 [ 667.158501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.164047] ? check_preemption_disabled+0x48/0x280 [ 667.169079] run_timer_softirq+0x52/0xb0 [ 667.173147] ? rcu_read_lock_sched_held+0x108/0x120 [ 667.178171] __do_softirq+0x30c/0xb03 [ 667.182437] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 667.187553] ? pvclock_read_flags+0x160/0x160 [ 667.192067] ? lapic_next_event+0x5a/0x90 [ 667.196223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.201773] ? check_preemption_disabled+0x48/0x280 [ 667.206792] ? check_preemption_disabled+0x48/0x280 [ 667.211821] ? kvm_clock_read+0x18/0x30 [ 667.215801] ? kvm_sched_clock_read+0x9/0x20 [ 667.220222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.225964] ? check_preemption_disabled+0x48/0x280 [ 667.230992] irq_exit+0x17f/0x1c0 [ 667.234457] smp_apic_timer_interrupt+0x1cb/0x760 [ 667.239301] ? smp_reschedule_interrupt+0x109/0x650 [ 667.244326] ? smp_call_function_single_interrupt+0x650/0x650 [ 667.250225] ? interrupt_entry+0xb5/0xf0 [ 667.254292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 667.259313] ? trace_hardirqs_off_caller+0xbb/0x310 [ 667.264337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.269189] ? trace_hardirqs_on_caller+0x310/0x310 [ 667.274209] ? trace_hardirqs_on_caller+0x310/0x310 [ 667.279237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.284789] ? check_preemption_disabled+0x48/0x280 [ 667.289814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.295375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.300245] apic_timer_interrupt+0xf/0x20 [ 667.304489] [ 667.306735] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 667.311933] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 667.330854] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 667.338607] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 667.345900] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 667.353204] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 667.360513] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 667.367804] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 667.375141] retint_kernel+0x1b/0x2d [ 667.378888] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 667.384176] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 667.403088] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 667.410811] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 667.418085] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 667.425364] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 667.432640] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 667.439911] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 667.447219] ? arch_local_irq_restore+0x45/0x52 [ 667.451914] dump_stack+0x26a/0x2b6 [ 667.455557] ? dump_stack_print_info.cold.1+0x20/0x20 [ 667.460778] ? mark_held_locks+0x130/0x130 [ 667.465020] ? mark_held_locks+0x130/0x130 [ 667.469273] dump_header+0x27b/0xf72 [ 667.473008] ? pagefault_out_of_memory+0x197/0x197 [ 667.477953] ? __lock_acquire+0x7ec/0x4ec0 [ 667.482198] ? print_usage_bug+0xc0/0xc0 [ 667.486276] ? graph_lock+0x170/0x170 [ 667.490079] ? graph_lock+0x170/0x170 [ 667.493888] ? print_usage_bug+0xc0/0xc0 [ 667.497951] ? print_usage_bug+0xc0/0xc0 [ 667.502017] ? print_usage_bug+0xc0/0xc0 [ 667.506098] ? find_held_lock+0x36/0x1c0 [ 667.510175] ? mark_held_locks+0xc7/0x130 [ 667.514333] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 667.519441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 667.524553] ? lockdep_hardirqs_on+0x421/0x5c0 [ 667.529163] ? trace_hardirqs_on+0xbd/0x310 [ 667.533489] ? kasan_check_read+0x11/0x20 [ 667.537646] ? ___ratelimit+0x36f/0x655 [ 667.541629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 667.547331] ? trace_hardirqs_on+0x310/0x310 [ 667.551749] ? lock_downgrade+0x900/0x900 [ 667.555909] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 667.561018] ? ___ratelimit+0xaa/0x655 [ 667.564918] ? idr_get_free+0xec0/0xec0 [ 667.568901] ? kasan_check_write+0x14/0x20 [ 667.573143] ? do_raw_spin_lock+0xc1/0x230 [ 667.577395] oom_kill_process.cold.27+0x10/0x903 [ 667.582157] ? graph_lock+0x170/0x170 [ 667.585961] ? _raw_spin_unlock+0x2c/0x50 [ 667.590110] ? oom_badness+0xe6/0xaa0 [ 667.593924] ? oom_evaluate_task+0x540/0x540 [ 667.598343] ? find_held_lock+0x36/0x1c0 [ 667.602421] ? out_of_memory+0x974/0x1430 [ 667.606587] ? lock_downgrade+0x900/0x900 [ 667.610749] ? check_preemption_disabled+0x48/0x280 [ 667.615783] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 667.621601] ? kasan_check_read+0x11/0x20 [ 667.625768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 667.631051] ? rcu_bh_qs+0xc0/0xc0 [ 667.634610] ? kasan_check_write+0x14/0x20 [ 667.638848] ? oom_evaluate_task+0x302/0x540 [ 667.643265] out_of_memory+0xa84/0x1430 [ 667.647256] ? oom_killer_disable+0x3a0/0x3a0 [ 667.651762] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 667.656706] ? __mutex_add_waiter+0x2a0/0x2a0 [ 667.661220] __alloc_pages_slowpath+0x230f/0x2d70 [ 667.666108] ? warn_alloc+0x120/0x120 [ 667.669915] ? __radix_tree_lookup+0x4c0/0x4c0 [ 667.674522] ? find_get_entry+0x2f2/0xc40 [ 667.678696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.684242] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 667.689176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.694724] ? should_fail+0x22d/0xd01 [ 667.698622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 667.703733] ? __lock_is_held+0xb5/0x140 [ 667.707831] ? __lock_is_held+0xb5/0x140 [ 667.711909] ? find_held_lock+0x36/0x1c0 [ 667.715979] ? ___might_sleep+0x1ed/0x300 [ 667.720129] ? lock_release+0x970/0x970 [ 667.724112] ? arch_local_save_flags+0x40/0x40 [ 667.728717] ? __might_sleep+0x95/0x190 [ 667.732703] __alloc_pages_nodemask+0xa80/0xde0 [ 667.737390] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 667.742414] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 667.748215] ? kasan_check_read+0x11/0x20 [ 667.752370] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 667.757662] ? graph_lock+0x170/0x170 [ 667.761473] ? print_usage_bug+0xc0/0xc0 [ 667.765548] ? graph_lock+0x170/0x170 [ 667.769367] ? graph_lock+0x170/0x170 [ 667.773173] ? __do_page_cache_readahead+0x7ce/0x980 [ 667.778293] ? find_held_lock+0x36/0x1c0 [ 667.782368] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 667.788614] alloc_pages_current+0x10c/0x210 [ 667.793033] ? lock_downgrade+0x900/0x900 [ 667.797196] __page_cache_alloc+0x38f/0x5b0 [ 667.801530] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 667.807348] ? kasan_check_read+0x11/0x20 [ 667.811505] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 667.816796] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 667.821478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.827026] ? check_preemption_disabled+0x48/0x280 [ 667.832064] filemap_fault+0x1594/0x25f0 [ 667.836154] ? __lock_page_or_retry+0xa00/0xa00 [ 667.840830] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 667.846651] ? kasan_check_read+0x11/0x20 [ 667.850808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 667.856092] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 667.861201] ? rcu_bh_qs+0xc0/0xc0 [ 667.864750] ? trace_hardirqs_on+0xbd/0x310 [ 667.869078] ? kasan_check_read+0x11/0x20 [ 667.873235] ? __free_object+0x173/0x340 [ 667.877309] ? filemap_map_pages+0xdea/0x1980 [ 667.881818] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 667.886928] ? __free_object+0x173/0x340 [ 667.890997] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 667.896279] ? debug_object_free+0x325/0x690 [ 667.900703] ? find_get_pages_range_tag+0x1320/0x1320 [ 667.905906] ? graph_lock+0x170/0x170 [ 667.909725] ? kasan_check_read+0x11/0x20 [ 667.913967] ? debug_object_destroy+0x2b0/0x2b0 [ 667.918659] ? lock_acquire+0x1ed/0x520 [ 667.922642] ? ext4_filemap_fault+0x7a/0xad [ 667.926976] ? lock_release+0x970/0x970 [ 667.930957] ? arch_local_save_flags+0x40/0x40 [ 667.935552] ? futex_wait_setup+0x3e0/0x3e0 [ 667.939909] ? down_read+0xb0/0x1d0 [ 667.943542] ? ext4_filemap_fault+0x7a/0xad [ 667.947889] ? __down_interruptible+0x700/0x700 [ 667.952599] ext4_filemap_fault+0x82/0xad [ 667.956759] __do_fault+0x100/0x6b0 [ 667.960401] ? print_bad_pte+0x6c0/0x6c0 [ 667.964470] ? do_futex+0x249/0x26d0 [ 667.968193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.973737] ? check_preemption_disabled+0x48/0x280 [ 667.978761] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 667.983525] ? pmd_val+0x88/0x100 [ 667.986983] ? add_mm_counter_fast+0xd0/0xd0 [ 667.991403] ? pmd_val+0x88/0x100 [ 667.994864] ? add_mm_counter_fast+0xd0/0xd0 [ 667.999287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.004932] __handle_mm_fault+0x3709/0x53e0 [ 668.009360] ? debug_smp_processor_id+0x1c/0x20 [ 668.014041] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 668.018928] ? graph_lock+0x170/0x170 [ 668.022731] ? print_usage_bug+0xc0/0xc0 [ 668.026795] ? should_fail+0xaf/0xd01 [ 668.030609] ? graph_lock+0x170/0x170 [ 668.034410] ? graph_lock+0x170/0x170 [ 668.038233] ? handle_mm_fault+0x42a/0xc70 [ 668.042471] ? lock_downgrade+0x900/0x900 [ 668.046626] ? check_preemption_disabled+0x48/0x280 [ 668.051661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 668.057462] ? kasan_check_read+0x11/0x20 [ 668.061621] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 668.066904] ? rcu_bh_qs+0xc0/0xc0 [ 668.070459] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 668.075917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.081478] ? check_preemption_disabled+0x48/0x280 [ 668.086514] handle_mm_fault+0x54f/0xc70 [ 668.090600] ? __handle_mm_fault+0x53e0/0x53e0 [ 668.095192] ? find_vma+0x34/0x190 [ 668.098743] __do_page_fault+0x67d/0xed0 [ 668.102818] ? mm_fault_error+0x380/0x380 [ 668.106973] ? trace_hardirqs_off+0xb8/0x310 [ 668.111386] ? trace_hardirqs_on+0x310/0x310 [ 668.115801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 668.121688] ? trace_hardirqs_on+0x310/0x310 [ 668.126134] do_page_fault+0xf2/0x7e0 [ 668.129946] ? vmalloc_sync_all+0x30/0x30 [ 668.134101] ? error_entry+0x70/0xd0 [ 668.137821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.142840] ? trace_hardirqs_on_caller+0xc0/0x310 [ 668.147778] ? syscall_return_slowpath+0x5e0/0x5e0 [ 668.152711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.157557] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.162607] ? trace_hardirqs_off+0x310/0x310 [ 668.167116] ? prepare_exit_to_usermode+0x291/0x3b0 [ 668.172138] ? page_fault+0x8/0x30 [ 668.175688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.181246] ? page_fault+0x8/0x30 [ 668.184793] page_fault+0x1e/0x30 [ 668.188248] RIP: 0033:0x45ddf3 [ 668.191450] Code: Bad RIP value. [ 668.194813] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 668.200186] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 668.207460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 668.214731] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 668.222006] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 668.229282] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 668.236611] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 668.236721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 668.243901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.243907] Call Trace: [ 668.243915] [ 668.243941] dump_stack+0x1c4/0x2b6 [ 668.243966] ? dump_stack_print_info.cold.1+0x20/0x20 [ 668.250583] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 668.259820] warn_alloc.cold.119+0xb7/0x1bd [ 668.262375] syz-fuzzer cpuset= [ 668.264530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 668.268135] / [ 668.273330] ? lock_downgrade+0x900/0x900 [ 668.283536] mems_allowed=0 [ 668.287860] ? trace_hardirqs_off+0xb8/0x310 [ 668.309047] ? trace_hardirqs_off+0xb8/0x310 [ 668.313482] __alloc_pages_slowpath+0x265e/0x2d70 [ 668.318366] ? warn_alloc+0x120/0x120 [ 668.322180] ? pvclock_read_flags+0x160/0x160 [ 668.326683] ? warn_alloc+0x120/0x120 [ 668.330493] ? print_usage_bug+0xc0/0xc0 [ 668.334579] ? warn_alloc+0x120/0x120 [ 668.338392] ? kvm_clock_read+0x18/0x30 [ 668.342372] ? print_usage_bug+0xc0/0xc0 [ 668.346436] ? ktime_get+0x2e1/0x440 [ 668.350157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.355701] ? check_preemption_disabled+0x48/0x280 [ 668.360724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.366270] ? should_fail+0x22d/0xd01 [ 668.370167] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 668.375454] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.380572] ? __lock_acquire+0x7ec/0x4ec0 [ 668.384820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.389926] ? __lock_acquire+0x7ec/0x4ec0 [ 668.394164] ? should_fail+0x22d/0xd01 [ 668.398056] ? print_usage_bug+0xc0/0xc0 [ 668.402135] ? mark_held_locks+0x130/0x130 [ 668.406381] ? mark_held_locks+0x130/0x130 [ 668.410634] ? graph_lock+0x170/0x170 [ 668.414438] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 668.419466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.425008] ? check_preemption_disabled+0x48/0x280 [ 668.430029] ? check_preemption_disabled+0x48/0x280 [ 668.435063] ? __lock_is_held+0xb5/0x140 [ 668.439143] __alloc_pages_nodemask+0xa80/0xde0 [ 668.443821] ? graph_lock+0x170/0x170 [ 668.447635] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 668.452654] ? graph_lock+0x170/0x170 [ 668.456473] ? find_held_lock+0x36/0x1c0 [ 668.460555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 668.465249] ? lock_downgrade+0x900/0x900 [ 668.469438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.474986] cache_grow_begin+0x91/0x8c0 [ 668.479054] ? do_raw_spin_unlock+0xa7/0x330 [ 668.483485] fallback_alloc+0x203/0x2e0 [ 668.487477] ____cache_alloc_node+0x1c7/0x1e0 [ 668.491985] kmem_cache_alloc_node+0xe3/0x730 [ 668.496486] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 668.501601] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 668.506202] __alloc_skb+0x119/0x770 [ 668.509922] ? calc_wheel_index+0x220/0x220 [ 668.514252] ? skb_scrub_packet+0x490/0x490 [ 668.518603] ? vprintk_default+0x28/0x30 [ 668.522672] ? vprintk_func+0x85/0x181 [ 668.526574] ? printk+0xa7/0xcf [ 668.529861] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 668.534640] new_skb+0x26/0x1c0 [ 668.537928] aoecmd_cfg+0x279/0x7f0 [ 668.541582] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 668.545919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.551464] ? check_preemption_disabled+0x48/0x280 [ 668.556483] ? check_preemption_disabled+0x48/0x280 [ 668.561520] ? __lock_is_held+0xb5/0x140 [ 668.565615] discover_timer+0x50/0x60 [ 668.569423] call_timer_fn+0x272/0x920 [ 668.573317] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 668.578166] ? process_timeout+0x40/0x40 [ 668.582233] ? find_held_lock+0x36/0x1c0 [ 668.586314] ? __run_timers+0x7da/0xc70 [ 668.590300] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.594803] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.599303] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 668.604151] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 668.608744] ? trace_hardirqs_on+0xbd/0x310 [ 668.613071] ? kasan_check_read+0x11/0x20 [ 668.617230] ? __run_timers+0x7da/0xc70 [ 668.621210] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 668.626687] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 668.631535] __run_timers+0x7e5/0xc70 [ 668.635362] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 668.640736] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 668.645759] ? graph_lock+0x170/0x170 [ 668.649575] ? enqueue_hrtimer+0x1a5/0x560 [ 668.653818] ? lock_release+0x970/0x970 [ 668.657799] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 668.663004] ? find_held_lock+0x36/0x1c0 [ 668.667082] ? graph_lock+0x170/0x170 [ 668.670889] ? pvclock_read_flags+0x160/0x160 [ 668.675389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.680935] ? check_preemption_disabled+0x48/0x280 [ 668.685972] ? __lock_is_held+0xb5/0x140 [ 668.690038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.695592] ? check_preemption_disabled+0x48/0x280 [ 668.700631] run_timer_softirq+0x52/0xb0 [ 668.704697] ? rcu_read_lock_sched_held+0x108/0x120 [ 668.709724] __do_softirq+0x30c/0xb03 [ 668.713542] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 668.718665] ? pvclock_read_flags+0x160/0x160 [ 668.723171] ? lapic_next_event+0x5a/0x90 [ 668.727325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.732871] ? check_preemption_disabled+0x48/0x280 [ 668.737892] ? check_preemption_disabled+0x48/0x280 [ 668.742922] ? kvm_clock_read+0x18/0x30 [ 668.746902] ? kvm_sched_clock_read+0x9/0x20 [ 668.751319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.756860] ? check_preemption_disabled+0x48/0x280 [ 668.761894] irq_exit+0x17f/0x1c0 [ 668.765353] smp_apic_timer_interrupt+0x1cb/0x760 [ 668.770202] ? smp_reschedule_interrupt+0x109/0x650 [ 668.775228] ? smp_call_function_single_interrupt+0x650/0x650 [ 668.781123] ? interrupt_entry+0xb5/0xf0 [ 668.785189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.790213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.795236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.800099] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.805123] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.810143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.815685] ? check_preemption_disabled+0x48/0x280 [ 668.820706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.826254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.831114] apic_timer_interrupt+0xf/0x20 [ 668.835348] [ 668.837602] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 668.842544] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 668.861458] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 668.869171] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 668.876440] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 668.883712] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 668.890982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 668.898257] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 668.905592] skb_clone+0x1bb/0x500 [ 668.909144] ? skb_split+0x11e0/0x11e0 [ 668.913039] ? preempt_notifier_register+0x200/0x200 [ 668.918145] ? __switch_to_asm+0x34/0x70 [ 668.922214] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 668.926979] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 668.931749] bpf_clone_redirect+0xb9/0x490 [ 668.936004] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 668.941035] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 668.945810] ? find_held_lock+0x36/0x1c0 [ 668.949888] ? lock_acquire+0x1ed/0x520 [ 668.953871] ? bpf_test_run+0x3cb/0x780 [ 668.957854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.963412] ? check_preemption_disabled+0x48/0x280 [ 668.968446] ? kasan_check_read+0x11/0x20 [ 668.972607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 668.977892] ? rcu_bh_qs+0xc0/0xc0 [ 668.981440] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 668.986645] ? bpf_test_run+0x25d/0x780 [ 668.990641] ? netlink_diag_dump+0x2a0/0x2a0 [ 668.995072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.000624] ? bpf_test_init.isra.10+0x70/0x100 [ 669.005306] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 669.010087] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 669.014933] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 669.020476] ? fput+0x130/0x1a0 [ 669.023764] ? __bpf_prog_get+0x9b/0x290 [ 669.027833] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 669.032678] ? bpf_prog_test_run+0x130/0x1a0 [ 669.037105] ? __x64_sys_bpf+0x3d8/0x520 [ 669.041172] ? bpf_prog_get+0x20/0x20 [ 669.045001] ? do_syscall_64+0x1b9/0x820 [ 669.049069] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 669.054450] ? syscall_return_slowpath+0x5e0/0x5e0 [ 669.059390] ? trace_hardirqs_on_caller+0x310/0x310 [ 669.064418] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 669.069447] ? recalc_sigpending_tsk+0x180/0x180 [ 669.074213] ? kasan_check_write+0x14/0x20 [ 669.078465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.083324] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 669.088715] warn_alloc_show_mem: 1 callbacks suppressed [ 669.088728] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 669.088730] Mem-Info: [ 669.088763] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 669.088763] active_file:13 inactive_file:34 isolated_file:0 [ 669.088763] unevictable:0 dirty:0 writeback:0 unstable:0 [ 669.088763] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 669.088763] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 669.088763] free:13625 free_pcp:139 free_cma:0 [ 669.094116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 669.101141] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 669.103548] Call Trace: [ 669.136438] Node 0 [ 669.145799] [ 669.173408] 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 [ 669.173418] lowmem_reserve[]: [ 669.176054] dump_stack+0x1c4/0x2b6 [ 669.178261] 0 [ 669.180419] ? dump_stack_print_info.cold.1+0x20/0x20 [ 669.205895] 2819 6323 [ 669.209034] warn_alloc.cold.119+0xb7/0x1bd [ 669.212622] 6323 [ 669.214426] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 669.222105] ? lock_downgrade+0x900/0x900 [ 669.226929] Node 0 [ 669.229004] ? trace_hardirqs_off+0xb8/0x310 [ 669.233839] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 669.237959] ? trace_hardirqs_off+0xb8/0x310 [ 669.240176] lowmem_reserve[]: [ 669.244609] __alloc_pages_slowpath+0x265e/0x2d70 [ 669.271732] 0 [ 669.276176] ? warn_alloc+0x120/0x120 [ 669.279219] 0 3503 [ 669.284071] ? trace_hardirqs_on+0x310/0x310 [ 669.285853] 3503 [ 669.289664] ? warn_alloc+0x120/0x120 [ 669.291881] Node 0 [ 669.296305] ? print_usage_bug+0xc0/0xc0 [ 669.298375] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 669.302147] ? warn_alloc+0x120/0x120 [ 669.304360] lowmem_reserve[]: [ 669.308421] ? ktime_get+0x2e1/0x440 [ 669.336761] 0 0 [ 669.340594] ? print_usage_bug+0xc0/0xc0 [ 669.343669] 0 [ 669.347381] ? __lock_acquire+0x7ec/0x4ec0 [ 669.349329] 0 [ 669.353394] ? __lock_acquire+0x7ec/0x4ec0 [ 669.355178] Node 0 [ 669.359418] ? kasan_check_read+0x11/0x20 [ 669.361192] DMA: 1*4kB [ 669.365435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.367649] (U) [ 669.371798] ? should_fail+0x22d/0xd01 [ 669.374361] 0*8kB [ 669.379896] ? rcu_bh_qs+0xc0/0xc0 [ 669.381845] 0*16kB 1*32kB [ 669.385747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.387874] (U) [ 669.391416] ? __lock_acquire+0x7ec/0x4ec0 [ 669.394235] 2*64kB (U) [ 669.399347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.401307] 1*128kB [ 669.405537] ? __lock_acquire+0x7ec/0x4ec0 [ 669.408103] (U) [ 669.413206] ? should_fail+0x22d/0xd01 [ 669.415537] 1*256kB [ 669.419768] ? rcu_idle_enter+0x4b0/0x4b0 [ 669.421726] (U) [ 669.425619] ? mark_held_locks+0x130/0x130 [ 669.427921] 0*512kB [ 669.432066] ? mark_held_locks+0x130/0x130 [ 669.434027] 1*1024kB [ 669.438263] ? mark_held_locks+0xc7/0x130 [ 669.440575] (U) [ 669.444813] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 669.447203] 1*2048kB [ 669.451345] ? graph_lock+0x170/0x170 [ 669.453305] (M) [ 669.458322] ? print_usage_bug+0xc0/0xc0 [ 669.460714] 3*4096kB [ 669.464517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.466469] (M) [ 669.470535] ? check_preemption_disabled+0x48/0x280 [ 669.472924] = 15908kB [ 669.478461] ? check_preemption_disabled+0x48/0x280 [ 669.480415] Node 0 [ 669.485463] ? __lock_is_held+0xb5/0x140 [ 669.487842] DMA32: 3*4kB [ 669.492873] __alloc_pages_nodemask+0xa80/0xde0 [ 669.495085] (M) [ 669.499144] ? graph_lock+0x170/0x170 [ 669.501881] 1*8kB [ 669.506551] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 669.508516] (M) [ 669.512315] ? graph_lock+0x170/0x170 [ 669.514444] 3*16kB (UM) [ 669.519477] ? find_held_lock+0x36/0x1c0 [ 669.521420] 3*32kB (UM) [ 669.525247] ? ____cache_alloc_node+0x1c7/0x1e0 [ 669.527902] 4*64kB [ 669.531961] ? lock_downgrade+0x900/0x900 [ 669.534612] (M) [ 669.539285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.541499] 3*128kB [ 669.545651] cache_grow_begin+0x91/0x8c0 [ 669.547605] (M) [ 669.553145] ? do_raw_spin_unlock+0xa7/0x330 [ 669.555448] 4*256kB [ 669.559513] fallback_alloc+0x203/0x2e0 [ 669.561460] (UM) [ 669.565870] ____cache_alloc_node+0x1c7/0x1e0 [ 669.568171] 3*512kB [ 669.572146] kmem_cache_alloc_node+0xe3/0x730 [ 669.574178] (M) 3*1024kB [ 669.578683] ? ipv6_get_ifaddr+0x42e/0x620 [ 669.580990] (UM) [ 669.585490] __alloc_skb+0x119/0x770 [ 669.588221] 3*2048kB [ 669.592459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 669.594496] (UM) [ 669.598206] ? skb_scrub_packet+0x490/0x490 [ 669.600603] 3*4096kB [ 669.605877] ? lock_downgrade+0x900/0x900 [ 669.607918] (M) [ 669.612247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.614631] = 24868kB [ 669.618784] ? refcount_sub_and_test_checked+0x203/0x310 [ 669.620739] Node 0 [ 669.626282] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 669.628665] Normal: [ 669.634115] ? addrconf_rs_timer+0x690/0x690 [ 669.636332] 871*4kB [ 669.641791] ndisc_alloc_skb+0x144/0x340 [ 669.644084] (MEH) 470*8kB [ 669.648522] ndisc_send_rs+0x331/0x6e0 [ 669.650819] (MEH) [ 669.654883] addrconf_rs_timer+0x314/0x690 [ 669.657708] 180*16kB [ 669.661671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.663804] (UMEH) [ 669.668060] call_timer_fn+0x272/0x920 [ 669.670437] 61*32kB [ 669.674675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.676892] (UME) [ 669.680781] ? process_timeout+0x40/0x40 [ 669.683086] 19*64kB [ 669.687321] ? find_held_lock+0x36/0x1c0 [ 669.689450] (UMH) [ 669.693523] ? mark_held_locks+0xc7/0x130 [ 669.695813] 0*128kB 0*256kB [ 669.699885] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.702016] 0*512kB [ 669.706178] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.709189] 0*1024kB [ 669.713685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.715983] 0*2048kB 0*4096kB [ 669.720489] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 669.722880] = 13292kB [ 669.727145] ? trace_hardirqs_on+0xbd/0x310 [ 669.730319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 669.734900] ? kasan_check_read+0x11/0x20 [ 669.737290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 669.741615] ? __run_timers+0x7da/0xc70 [ 669.750435] 238 total pagecache pages [ 669.754606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 669.763159] 0 pages in swap cache [ 669.767142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.770924] Swap cache stats: add 0, delete 0, find 0/0 [ 669.776382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 669.779811] Free swap = 0kB [ 669.784048] __run_timers+0x7e5/0xc70 [ 669.789386] Total swap = 0kB [ 669.793636] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 669.796617] 1965979 pages RAM [ 669.800420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 669.803420] 0 pages HighMem/MovableOnly [ 669.810138] ? graph_lock+0x170/0x170 [ 669.813226] 342306 pages reserved [ 669.818244] ? print_usage_bug+0xc0/0xc0 [ 669.822191] 0 pages cma reserved [ 669.822279] aoe: skb alloc failure [ 669.825997] ? enqueue_hrtimer+0x1a5/0x560 [ 669.829532] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 669.833497] ? lock_release+0x970/0x970 [ 669.836848] syz-executor4 cpuset= [ 669.840390] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 669.844601] syz4 [ 669.855101] ? find_held_lock+0x36/0x1c0 [ 669.859063] mems_allowed=0 [ 669.862516] ? graph_lock+0x170/0x170 [ 669.880429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.885985] ? check_preemption_disabled+0x48/0x280 [ 669.891023] ? __lock_is_held+0xb5/0x140 [ 669.895095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.900642] ? check_preemption_disabled+0x48/0x280 [ 669.905674] run_timer_softirq+0x52/0xb0 [ 669.909738] ? rcu_read_lock_sched_held+0x108/0x120 [ 669.914766] __do_softirq+0x30c/0xb03 [ 669.918619] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 669.923735] ? pvclock_read_flags+0x160/0x160 [ 669.928235] ? lapic_next_event+0x5a/0x90 [ 669.932386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.937932] ? check_preemption_disabled+0x48/0x280 [ 669.942952] ? check_preemption_disabled+0x48/0x280 [ 669.947983] ? kvm_clock_read+0x18/0x30 [ 669.951958] ? kvm_sched_clock_read+0x9/0x20 [ 669.956370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.961915] ? check_preemption_disabled+0x48/0x280 [ 669.966951] irq_exit+0x17f/0x1c0 [ 669.970415] smp_apic_timer_interrupt+0x1cb/0x760 [ 669.975260] ? smp_reschedule_interrupt+0x109/0x650 [ 669.980282] ? smp_call_function_single_interrupt+0x650/0x650 [ 669.986174] ? interrupt_entry+0xb5/0xf0 [ 669.990255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 669.995274] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.000299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.005151] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.010171] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.015192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.020738] ? check_preemption_disabled+0x48/0x280 [ 670.025760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.031310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.036172] apic_timer_interrupt+0xf/0x20 [ 670.040402] [ 670.042645] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 670.047842] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 670.067193] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 670.074909] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 670.082181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 670.089448] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 670.096721] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 670.103991] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 670.111316] retint_kernel+0x1b/0x2d [ 670.115038] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 670.120825] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 670.139734] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 670.147457] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 670.154733] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 670.162002] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 670.169275] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 670.176551] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 670.184586] ? arch_local_irq_restore+0x45/0x52 [ 670.189278] dump_stack+0x26a/0x2b6 [ 670.192915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 670.198116] ? mark_held_locks+0x130/0x130 [ 670.202353] ? mark_held_locks+0x130/0x130 [ 670.206612] dump_header+0x27b/0xf72 [ 670.210361] ? pagefault_out_of_memory+0x197/0x197 [ 670.215316] ? __lock_acquire+0x7ec/0x4ec0 [ 670.219560] ? print_usage_bug+0xc0/0xc0 [ 670.223651] ? graph_lock+0x170/0x170 [ 670.227452] ? graph_lock+0x170/0x170 [ 670.232213] ? print_usage_bug+0xc0/0xc0 [ 670.236272] ? print_usage_bug+0xc0/0xc0 [ 670.240343] ? print_usage_bug+0xc0/0xc0 [ 670.244426] ? find_held_lock+0x36/0x1c0 [ 670.248523] ? mark_held_locks+0xc7/0x130 [ 670.252682] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 670.257789] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 670.262894] ? lockdep_hardirqs_on+0x421/0x5c0 [ 670.267484] ? trace_hardirqs_on+0xbd/0x310 [ 670.271812] ? kasan_check_read+0x11/0x20 [ 670.275961] ? ___ratelimit+0x36f/0x655 [ 670.279937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 670.285392] ? trace_hardirqs_on+0x310/0x310 [ 670.289804] ? lock_downgrade+0x900/0x900 [ 670.293967] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 670.299072] ? ___ratelimit+0xaa/0x655 [ 670.302967] ? idr_get_free+0xec0/0xec0 [ 670.306944] ? kasan_check_write+0x14/0x20 [ 670.311180] ? do_raw_spin_lock+0xc1/0x230 [ 670.315426] oom_kill_process.cold.27+0x10/0x903 [ 670.320185] ? graph_lock+0x170/0x170 [ 670.323989] ? _raw_spin_unlock+0x2c/0x50 [ 670.328138] ? oom_badness+0xe6/0xaa0 [ 670.331948] ? oom_evaluate_task+0x540/0x540 [ 670.336366] ? find_held_lock+0x36/0x1c0 [ 670.340444] ? out_of_memory+0x974/0x1430 [ 670.344611] ? lock_downgrade+0x900/0x900 [ 670.348762] ? check_preemption_disabled+0x48/0x280 [ 670.353789] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 670.359603] ? kasan_check_read+0x11/0x20 [ 670.363755] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 670.369034] ? rcu_bh_qs+0xc0/0xc0 [ 670.372600] ? kasan_check_write+0x14/0x20 [ 670.376840] ? oom_evaluate_task+0x302/0x540 [ 670.381257] out_of_memory+0xa84/0x1430 [ 670.385247] ? oom_killer_disable+0x3a0/0x3a0 [ 670.389749] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 670.394688] ? __mutex_add_waiter+0x2a0/0x2a0 [ 670.399202] __alloc_pages_slowpath+0x230f/0x2d70 [ 670.404097] ? warn_alloc+0x120/0x120 [ 670.407899] ? __radix_tree_lookup+0x4c0/0x4c0 [ 670.412499] ? find_get_entry+0x2f2/0xc40 [ 670.416664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.422207] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 670.427499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.433046] ? should_fail+0x22d/0xd01 [ 670.436942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 670.442049] ? __lock_is_held+0xb5/0x140 [ 670.446144] ? __lock_is_held+0xb5/0x140 [ 670.450222] ? find_held_lock+0x36/0x1c0 [ 670.454315] ? ___might_sleep+0x1ed/0x300 [ 670.458462] ? lock_release+0x970/0x970 [ 670.462444] ? arch_local_save_flags+0x40/0x40 [ 670.467044] ? __might_sleep+0x95/0x190 [ 670.471031] __alloc_pages_nodemask+0xa80/0xde0 [ 670.475713] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 670.480735] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 670.486535] ? kasan_check_read+0x11/0x20 [ 670.490691] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 670.495975] ? graph_lock+0x170/0x170 [ 670.499781] ? print_usage_bug+0xc0/0xc0 [ 670.503847] ? graph_lock+0x170/0x170 [ 670.507648] ? graph_lock+0x170/0x170 [ 670.511448] ? __do_page_cache_readahead+0x7ce/0x980 [ 670.516562] ? find_held_lock+0x36/0x1c0 [ 670.520648] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 670.526193] alloc_pages_current+0x10c/0x210 [ 670.530606] ? lock_downgrade+0x900/0x900 [ 670.534766] __page_cache_alloc+0x38f/0x5b0 [ 670.539090] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 670.544904] ? kasan_check_read+0x11/0x20 [ 670.549056] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 670.554339] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 670.559016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.564561] ? check_preemption_disabled+0x48/0x280 [ 670.569615] filemap_fault+0x1594/0x25f0 [ 670.573696] ? __lock_page_or_retry+0xa00/0xa00 [ 670.578367] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 670.584168] ? kasan_check_read+0x11/0x20 [ 670.588325] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 670.593614] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 670.598723] ? rcu_bh_qs+0xc0/0xc0 [ 670.602271] ? trace_hardirqs_on+0xbd/0x310 [ 670.606603] ? kasan_check_read+0x11/0x20 [ 670.610754] ? __free_object+0x173/0x340 [ 670.614825] ? filemap_map_pages+0xdea/0x1980 [ 670.619335] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 670.624444] ? __free_object+0x173/0x340 [ 670.628508] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 670.633784] ? debug_object_free+0x325/0x690 [ 670.638197] ? find_get_pages_range_tag+0x1320/0x1320 [ 670.643402] ? graph_lock+0x170/0x170 [ 670.647213] ? kasan_check_read+0x11/0x20 [ 670.651369] ? debug_object_destroy+0x2b0/0x2b0 [ 670.656052] ? lock_acquire+0x1ed/0x520 [ 670.660027] ? ext4_filemap_fault+0x7a/0xad [ 670.664356] ? lock_release+0x970/0x970 [ 670.668336] ? arch_local_save_flags+0x40/0x40 [ 670.672929] ? futex_wait_setup+0x3e0/0x3e0 [ 670.677272] ? down_read+0xb0/0x1d0 [ 670.680900] ? ext4_filemap_fault+0x7a/0xad [ 670.685235] ? __down_interruptible+0x700/0x700 [ 670.689939] ext4_filemap_fault+0x82/0xad [ 670.694093] __do_fault+0x100/0x6b0 [ 670.697730] ? print_bad_pte+0x6c0/0x6c0 [ 670.701798] ? do_futex+0x249/0x26d0 [ 670.705769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.711311] ? check_preemption_disabled+0x48/0x280 [ 670.716329] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 670.721088] ? pmd_val+0x88/0x100 [ 670.724546] ? add_mm_counter_fast+0xd0/0xd0 [ 670.728972] ? pmd_val+0x88/0x100 [ 670.732431] ? add_mm_counter_fast+0xd0/0xd0 [ 670.736844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.742392] __handle_mm_fault+0x3709/0x53e0 [ 670.746817] ? debug_smp_processor_id+0x1c/0x20 [ 670.751496] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 670.756340] ? graph_lock+0x170/0x170 [ 670.760148] ? print_usage_bug+0xc0/0xc0 [ 670.764209] ? should_fail+0xaf/0xd01 [ 670.768015] ? graph_lock+0x170/0x170 [ 670.771818] ? graph_lock+0x170/0x170 [ 670.775665] ? handle_mm_fault+0x42a/0xc70 [ 670.779908] ? lock_downgrade+0x900/0x900 [ 670.784062] ? check_preemption_disabled+0x48/0x280 [ 670.789087] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 670.794890] ? kasan_check_read+0x11/0x20 [ 670.799042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 670.804320] ? rcu_bh_qs+0xc0/0xc0 [ 670.807861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 670.813314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.818856] ? check_preemption_disabled+0x48/0x280 [ 670.823882] handle_mm_fault+0x54f/0xc70 [ 670.827954] ? __handle_mm_fault+0x53e0/0x53e0 [ 670.832543] ? find_vma+0x34/0x190 [ 670.836109] __do_page_fault+0x67d/0xed0 [ 670.840182] ? mm_fault_error+0x380/0x380 [ 670.844327] ? trace_hardirqs_off+0xb8/0x310 [ 670.848737] ? trace_hardirqs_on+0x310/0x310 [ 670.853149] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 670.858518] ? trace_hardirqs_on+0x310/0x310 [ 670.862936] do_page_fault+0xf2/0x7e0 [ 670.866740] ? vmalloc_sync_all+0x30/0x30 [ 670.870893] ? error_entry+0x70/0xd0 [ 670.874615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.879629] ? trace_hardirqs_on_caller+0xc0/0x310 [ 670.884563] ? syscall_return_slowpath+0x5e0/0x5e0 [ 670.889509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.894353] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.899368] ? trace_hardirqs_off+0x310/0x310 [ 670.903869] ? prepare_exit_to_usermode+0x291/0x3b0 [ 670.908891] ? page_fault+0x8/0x30 [ 670.912436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.917282] ? page_fault+0x8/0x30 [ 670.920826] page_fault+0x1e/0x30 [ 670.924279] RIP: 0033:0x45ddf3 [ 670.927477] Code: Bad RIP value. [ 670.930837] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 670.936204] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 670.943475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 670.950741] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 670.958008] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 670.965289] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 670.972608] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 670.972693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 670.979892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.979898] Call Trace: [ 670.979905] [ 670.979929] dump_stack+0x1c4/0x2b6 [ 670.979948] ? dump_stack_print_info.cold.1+0x20/0x20 [ 670.986487] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 670.995794] warn_alloc.cold.119+0xb7/0x1bd [ 670.998353] syz-fuzzer cpuset= [ 671.000512] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 671.004121] / [ 671.009314] ? lock_downgrade+0x900/0x900 [ 671.019514] mems_allowed=0 [ 671.041494] ? trace_hardirqs_off+0xb8/0x310 [ 671.045913] ? trace_hardirqs_off+0xb8/0x310 [ 671.050339] __alloc_pages_slowpath+0x265e/0x2d70 [ 671.055220] ? warn_alloc+0x120/0x120 [ 671.059030] ? pvclock_read_flags+0x160/0x160 [ 671.063536] ? warn_alloc+0x120/0x120 [ 671.067352] ? print_usage_bug+0xc0/0xc0 [ 671.071419] ? warn_alloc+0x120/0x120 [ 671.075224] ? kvm_clock_read+0x18/0x30 [ 671.079203] ? print_usage_bug+0xc0/0xc0 [ 671.083268] ? ktime_get+0x2e1/0x440 [ 671.086991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.092533] ? check_preemption_disabled+0x48/0x280 [ 671.097576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.103131] ? should_fail+0x22d/0xd01 [ 671.107025] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 671.112310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.117416] ? __lock_acquire+0x7ec/0x4ec0 [ 671.121660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.126763] ? __lock_acquire+0x7ec/0x4ec0 [ 671.131003] ? should_fail+0x22d/0xd01 [ 671.134897] ? print_usage_bug+0xc0/0xc0 [ 671.138973] ? mark_held_locks+0x130/0x130 [ 671.143237] ? mark_held_locks+0x130/0x130 [ 671.147494] ? graph_lock+0x170/0x170 [ 671.151299] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 671.156326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.161872] ? check_preemption_disabled+0x48/0x280 [ 671.166889] ? check_preemption_disabled+0x48/0x280 [ 671.171926] ? __lock_is_held+0xb5/0x140 [ 671.176000] __alloc_pages_nodemask+0xa80/0xde0 [ 671.180672] ? graph_lock+0x170/0x170 [ 671.184484] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 671.189501] ? graph_lock+0x170/0x170 [ 671.193318] ? find_held_lock+0x36/0x1c0 [ 671.197396] ? ____cache_alloc_node+0x1c7/0x1e0 [ 671.202068] ? lock_downgrade+0x900/0x900 [ 671.206240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.211788] cache_grow_begin+0x91/0x8c0 [ 671.215854] ? do_raw_spin_unlock+0xa7/0x330 [ 671.220274] fallback_alloc+0x203/0x2e0 [ 671.224264] ____cache_alloc_node+0x1c7/0x1e0 [ 671.229286] kmem_cache_alloc_node+0xe3/0x730 [ 671.233788] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 671.238895] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 671.243494] __alloc_skb+0x119/0x770 [ 671.247215] ? calc_wheel_index+0x220/0x220 [ 671.251545] ? skb_scrub_packet+0x490/0x490 [ 671.255891] ? vprintk_default+0x28/0x30 [ 671.259953] ? vprintk_func+0x85/0x181 [ 671.263851] ? printk+0xa7/0xcf [ 671.267137] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 671.271911] new_skb+0x26/0x1c0 [ 671.275201] aoecmd_cfg+0x279/0x7f0 [ 671.278844] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 671.283178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.288723] ? check_preemption_disabled+0x48/0x280 [ 671.293743] ? check_preemption_disabled+0x48/0x280 [ 671.298783] ? __lock_is_held+0xb5/0x140 [ 671.302867] discover_timer+0x50/0x60 [ 671.306678] call_timer_fn+0x272/0x920 [ 671.310584] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.315435] ? process_timeout+0x40/0x40 [ 671.319502] ? find_held_lock+0x36/0x1c0 [ 671.323585] ? __run_timers+0x7da/0xc70 [ 671.327581] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.332091] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.336601] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.341454] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 671.346050] ? trace_hardirqs_on+0xbd/0x310 [ 671.350383] ? kasan_check_read+0x11/0x20 [ 671.354535] ? __run_timers+0x7da/0xc70 [ 671.358524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 671.363999] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.368845] __run_timers+0x7e5/0xc70 [ 671.372667] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 671.378039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 671.383063] ? graph_lock+0x170/0x170 [ 671.386881] ? enqueue_hrtimer+0x1a5/0x560 [ 671.391121] ? lock_release+0x970/0x970 [ 671.395103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 671.400306] ? find_held_lock+0x36/0x1c0 [ 671.404373] ? graph_lock+0x170/0x170 [ 671.408181] ? pvclock_read_flags+0x160/0x160 [ 671.412684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.418226] ? check_preemption_disabled+0x48/0x280 [ 671.423267] ? __lock_is_held+0xb5/0x140 [ 671.427338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.432883] ? check_preemption_disabled+0x48/0x280 [ 671.437916] run_timer_softirq+0x52/0xb0 [ 671.441989] ? rcu_read_lock_sched_held+0x108/0x120 [ 671.447013] __do_softirq+0x30c/0xb03 [ 671.450830] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 671.455942] ? pvclock_read_flags+0x160/0x160 [ 671.460438] ? lapic_next_event+0x5a/0x90 [ 671.464600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.470145] ? check_preemption_disabled+0x48/0x280 [ 671.475169] ? check_preemption_disabled+0x48/0x280 [ 671.480197] ? kvm_clock_read+0x18/0x30 [ 671.484217] ? kvm_sched_clock_read+0x9/0x20 [ 671.488639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.494185] ? check_preemption_disabled+0x48/0x280 [ 671.499222] irq_exit+0x17f/0x1c0 [ 671.502684] smp_apic_timer_interrupt+0x1cb/0x760 [ 671.507526] ? smp_reschedule_interrupt+0x109/0x650 [ 671.512546] ? smp_call_function_single_interrupt+0x650/0x650 [ 671.518448] ? interrupt_entry+0xb5/0xf0 [ 671.522519] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.527540] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.532583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.537440] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.542463] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.547490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.553036] ? check_preemption_disabled+0x48/0x280 [ 671.558056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.563623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.568484] apic_timer_interrupt+0xf/0x20 [ 671.572721] [ 671.574964] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 671.579901] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 671.598814] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 671.606534] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 671.613813] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 671.621087] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 671.628357] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 671.635629] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 671.642958] skb_clone+0x1bb/0x500 [ 671.646510] ? skb_split+0x11e0/0x11e0 [ 671.650409] ? preempt_notifier_register+0x200/0x200 [ 671.655520] ? __switch_to_asm+0x34/0x70 [ 671.659598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 671.664379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 671.669158] bpf_clone_redirect+0xb9/0x490 [ 671.673409] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 671.678461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 671.683232] ? find_held_lock+0x36/0x1c0 [ 671.687304] ? lock_acquire+0x1ed/0x520 [ 671.691280] ? bpf_test_run+0x3cb/0x780 [ 671.695264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.700821] ? check_preemption_disabled+0x48/0x280 [ 671.705852] ? kasan_check_read+0x11/0x20 [ 671.710009] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 671.715288] ? rcu_bh_qs+0xc0/0xc0 [ 671.718837] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 671.724046] ? bpf_test_run+0x25d/0x780 [ 671.728049] ? netlink_diag_dump+0x2a0/0x2a0 [ 671.732469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.738008] ? bpf_test_init.isra.10+0x70/0x100 [ 671.742694] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 671.747469] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.752317] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 671.757862] ? fput+0x130/0x1a0 [ 671.761146] ? __bpf_prog_get+0x9b/0x290 [ 671.765225] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.770101] ? bpf_prog_test_run+0x130/0x1a0 [ 671.774523] ? __x64_sys_bpf+0x3d8/0x520 [ 671.778596] ? bpf_prog_get+0x20/0x20 [ 671.782427] ? do_syscall_64+0x1b9/0x820 [ 671.786495] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 671.791869] ? syscall_return_slowpath+0x5e0/0x5e0 [ 671.796806] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.801827] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 671.806851] ? recalc_sigpending_tsk+0x180/0x180 [ 671.811614] ? kasan_check_write+0x14/0x20 [ 671.815860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.820721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 671.826118] warn_alloc_show_mem: 1 callbacks suppressed [ 671.826131] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 671.826133] Mem-Info: [ 671.826164] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 671.826164] active_file:13 inactive_file:34 isolated_file:0 [ 671.826164] unevictable:0 dirty:0 writeback:0 unstable:0 [ 671.826164] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 671.826164] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 671.826164] free:13625 free_pcp:139 free_cma:0 [ 671.831510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 671.831520] Call Trace: [ 671.838546] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 671.840949] [ 671.873852] Node 0 [ 671.883230] dump_stack+0x1c4/0x2b6 [ 671.885805] 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 [ 671.913372] ? dump_stack_print_info.cold.1+0x20/0x20 [ 671.915490] lowmem_reserve[]: [ 671.917745] warn_alloc.cold.119+0xb7/0x1bd [ 671.921337] 0 [ 671.946840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 671.952006] 2819 [ 671.955116] ? lock_downgrade+0x900/0x900 [ 671.959416] 6323 [ 671.961221] ? trace_hardirqs_off+0xb8/0x310 [ 671.966034] 6323 [ 671.968101] ? trace_hardirqs_off+0xb8/0x310 [ 671.974298] __alloc_pages_slowpath+0x265e/0x2d70 [ 671.978681] Node 0 [ 671.980773] ? warn_alloc+0x120/0x120 [ 671.985155] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 671.989974] ? warn_alloc+0x120/0x120 [ 671.992187] lowmem_reserve[]: 0 [ 671.995997] ? print_usage_bug+0xc0/0xc0 [ 672.023134] 0 [ 672.026970] ? warn_alloc+0x120/0x120 [ 672.030220] 3503 [ 672.034278] ? print_usage_bug+0xc0/0xc0 [ 672.036062] 3503 [ 672.039873] ? __lock_acquire+0x7ec/0x4ec0 [ 672.045969] ? __lock_acquire+0x7ec/0x4ec0 [ 672.048019] Node 0 [ 672.052256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.056495] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 672.058704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.064220] lowmem_reserve[]: [ 672.092599] ? should_fail+0x22d/0xd01 [ 672.098108] 0 0 [ 672.101251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.105108] 0 0 [ 672.107111] ? __lock_acquire+0x7ec/0x4ec0 [ 672.114172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.118624] Node 0 [ 672.123724] ? __lock_acquire+0x7ec/0x4ec0 [ 672.123734] DMA: [ 672.125970] ? should_fail+0x22d/0xd01 [ 672.130190] 1*4kB [ 672.132260] ? mark_held_locks+0x130/0x130 [ 672.136114] (U) [ 672.138262] ? mark_held_locks+0x130/0x130 [ 672.142474] 0*8kB 0*16kB [ 672.144481] ? graph_lock+0x170/0x170 [ 672.148698] 1*32kB [ 672.151479] ? print_usage_bug+0xc0/0xc0 [ 672.155268] (U) [ 672.157500] ? graph_lock+0x170/0x170 [ 672.161540] 2*64kB [ 672.163526] ? print_usage_bug+0xc0/0xc0 [ 672.167307] (U) [ 672.169540] ? wq_watchdog_touch+0x9c/0xfe [ 672.173592] 1*128kB [ 672.175594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.179797] (U) 1*256kB [ 672.182138] ? check_preemption_disabled+0x48/0x280 [ 672.187648] (U) [ 672.190345] ? check_preemption_disabled+0x48/0x280 [ 672.195343] 0*512kB [ 672.197349] ? __lock_is_held+0xb5/0x140 [ 672.202376] 1*1024kB [ 672.204728] __alloc_pages_nodemask+0xa80/0xde0 [ 672.208763] (U) [ 672.211171] ? graph_lock+0x170/0x170 [ 672.215818] 1*2048kB [ 672.217795] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 672.221586] (M) [ 672.223999] ? graph_lock+0x170/0x170 [ 672.228989] 3*4096kB (M) [ 672.230990] ? find_held_lock+0x36/0x1c0 [ 672.234762] = 15908kB [ 672.237529] ? ____cache_alloc_node+0x1c7/0x1e0 [ 672.241563] Node 0 [ 672.243983] ? lock_downgrade+0x900/0x900 [ 672.248631] DMA32: [ 672.250878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.254998] 3*4kB [ 672.257237] cache_grow_begin+0x91/0x8c0 [ 672.262759] (M) [ 672.264911] ? do_raw_spin_unlock+0xa7/0x330 [ 672.268949] 1*8kB [ 672.270931] fallback_alloc+0x203/0x2e0 [ 672.275333] (M) [ 672.277486] ____cache_alloc_node+0x1c7/0x1e0 [ 672.281463] 3*16kB [ 672.283438] kmem_cache_alloc_node+0xe3/0x730 [ 672.287906] (UM) [ 672.290143] ? ipv6_get_ifaddr+0x42e/0x620 [ 672.294622] 3*32kB [ 672.296694] __alloc_skb+0x119/0x770 [ 672.300897] (UM) [ 672.303142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 672.306832] 4*64kB [ 672.308892] ? skb_scrub_packet+0x490/0x490 [ 672.314147] (M) [ 672.316403] ? lock_downgrade+0x900/0x900 [ 672.320704] 3*128kB [ 672.322689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.326810] (M) [ 672.329153] ? refcount_sub_and_test_checked+0x203/0x310 [ 672.334666] 4*256kB [ 672.336638] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 672.342063] (UM) [ 672.344384] ? addrconf_rs_timer+0x690/0x690 [ 672.349807] 3*512kB (M) [ 672.351889] ndisc_alloc_skb+0x144/0x340 [ 672.356281] 3*1024kB [ 672.358957] ndisc_send_rs+0x331/0x6e0 [ 672.362994] (UM) [ 672.365409] addrconf_rs_timer+0x314/0x690 [ 672.369271] 3*2048kB [ 672.371336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 672.375553] (UM) [ 672.377989] call_timer_fn+0x272/0x920 [ 672.382189] 3*4096kB [ 672.384244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 672.388109] (M) [ 672.390520] ? process_timeout+0x40/0x40 [ 672.394732] = 24868kB [ 672.394741] Node 0 [ 672.396716] ? find_held_lock+0x36/0x1c0 [ 672.400755] Normal: [ 672.403170] ? mark_held_locks+0xc7/0x130 [ 672.405390] 871*4kB [ 672.409452] ? _raw_spin_unlock_irq+0x27/0x80 [ 672.411759] (MEH) [ 672.415908] ? _raw_spin_unlock_irq+0x27/0x80 [ 672.418215] 470*8kB [ 672.422716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 672.424848] (MEH) [ 672.429342] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 672.431647] 180*16kB [ 672.435876] ? trace_hardirqs_on+0xbd/0x310 [ 672.438007] (UMEH) [ 672.442601] ? kasan_check_read+0x11/0x20 [ 672.444991] 61*32kB [ 672.449310] ? __run_timers+0x7da/0xc70 [ 672.451527] (UME) [ 672.455674] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 672.457991] 19*64kB [ 672.461974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 672.464107] (UMH) [ 672.469559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 672.471863] 0*128kB 0*256kB [ 672.476111] __run_timers+0x7e5/0xc70 [ 672.478236] 0*512kB 0*1024kB [ 672.482493] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 672.485472] 0*2048kB 0*4096kB [ 672.489305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 672.492393] = 13292kB [ 672.497753] ? graph_lock+0x170/0x170 [ 672.500932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 672.505943] ? print_usage_bug+0xc0/0xc0 [ 672.508342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 672.512148] ? enqueue_hrtimer+0x1a5/0x560 [ 672.520964] 238 total pagecache pages [ 672.525024] ? lock_release+0x970/0x970 [ 672.533602] 0 pages in swap cache [ 672.537829] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 672.541610] Swap cache stats: add 0, delete 0, find 0/0 [ 672.545608] ? find_held_lock+0x36/0x1c0 [ 672.549029] Free swap = 0kB [ 672.554218] ? graph_lock+0x170/0x170 [ 672.559561] Total swap = 0kB [ 672.563640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.566634] 1965979 pages RAM [ 672.570432] ? check_preemption_disabled+0x48/0x280 [ 672.573423] 0 pages HighMem/MovableOnly [ 672.573432] 342306 pages reserved [ 672.578975] ? __lock_is_held+0xb5/0x140 [ 672.582049] 0 pages cma reserved [ 672.587100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.591190] aoe: skb alloc failure [ 672.594512] ? check_preemption_disabled+0x48/0x280 [ 672.598634] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 672.601943] run_timer_softirq+0x52/0xb0 [ 672.607450] syz-executor4 cpuset= [ 672.610992] ? rcu_read_lock_sched_held+0x108/0x120 [ 672.615984] syz4 [ 672.626467] __do_softirq+0x30c/0xb03 [ 672.630504] mems_allowed=0 [ 672.647682] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 672.652799] ? pvclock_read_flags+0x160/0x160 [ 672.657295] ? lapic_next_event+0x5a/0x90 [ 672.661456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.666999] ? check_preemption_disabled+0x48/0x280 [ 672.672029] ? check_preemption_disabled+0x48/0x280 [ 672.677064] ? kvm_clock_read+0x18/0x30 [ 672.681040] ? kvm_sched_clock_read+0x9/0x20 [ 672.685467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.691007] ? check_preemption_disabled+0x48/0x280 [ 672.696045] irq_exit+0x17f/0x1c0 [ 672.699528] smp_apic_timer_interrupt+0x1cb/0x760 [ 672.704372] ? smp_reschedule_interrupt+0x109/0x650 [ 672.709426] ? smp_call_function_single_interrupt+0x650/0x650 [ 672.715316] ? interrupt_entry+0xb5/0xf0 [ 672.719382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 672.724399] ? trace_hardirqs_off_caller+0xbb/0x310 [ 672.729424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.734268] ? trace_hardirqs_on_caller+0x310/0x310 [ 672.739286] ? trace_hardirqs_on_caller+0x310/0x310 [ 672.744323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.749880] ? check_preemption_disabled+0x48/0x280 [ 672.754909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.760487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.765358] apic_timer_interrupt+0xf/0x20 [ 672.769625] [ 672.771872] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 672.777065] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 672.800767] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 672.808486] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 672.815756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 672.823032] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 672.830304] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 672.837592] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 672.844920] retint_kernel+0x1b/0x2d [ 672.848641] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 672.853925] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 672.872834] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 672.880552] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 672.887833] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 672.895105] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 672.902378] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 672.909646] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 672.916948] ? arch_local_irq_restore+0x45/0x52 [ 672.921633] dump_stack+0x26a/0x2b6 [ 672.925278] ? dump_stack_print_info.cold.1+0x20/0x20 [ 672.930476] ? mark_held_locks+0x130/0x130 [ 672.934713] ? mark_held_locks+0x130/0x130 [ 672.938961] dump_header+0x27b/0xf72 [ 672.942693] ? pagefault_out_of_memory+0x197/0x197 [ 672.947635] ? __lock_acquire+0x7ec/0x4ec0 [ 672.951875] ? print_usage_bug+0xc0/0xc0 [ 672.955951] ? graph_lock+0x170/0x170 [ 672.959750] ? graph_lock+0x170/0x170 [ 672.963557] ? print_usage_bug+0xc0/0xc0 [ 672.967633] ? print_usage_bug+0xc0/0xc0 [ 672.971700] ? print_usage_bug+0xc0/0xc0 [ 672.975773] ? find_held_lock+0x36/0x1c0 [ 672.979849] ? mark_held_locks+0xc7/0x130 [ 672.984007] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.989113] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.994219] ? lockdep_hardirqs_on+0x421/0x5c0 [ 672.998811] ? trace_hardirqs_on+0xbd/0x310 [ 673.003141] ? kasan_check_read+0x11/0x20 [ 673.007302] ? ___ratelimit+0x36f/0x655 [ 673.011291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 673.016746] ? trace_hardirqs_on+0x310/0x310 [ 673.021158] ? lock_downgrade+0x900/0x900 [ 673.025326] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 673.030432] ? ___ratelimit+0xaa/0x655 [ 673.034324] ? idr_get_free+0xec0/0xec0 [ 673.038306] ? kasan_check_write+0x14/0x20 [ 673.042548] ? do_raw_spin_lock+0xc1/0x230 [ 673.046805] oom_kill_process.cold.27+0x10/0x903 [ 673.051564] ? graph_lock+0x170/0x170 [ 673.055390] ? _raw_spin_unlock+0x2c/0x50 [ 673.059544] ? oom_badness+0xe6/0xaa0 [ 673.063371] ? oom_evaluate_task+0x540/0x540 [ 673.067795] ? find_held_lock+0x36/0x1c0 [ 673.071869] ? out_of_memory+0x974/0x1430 [ 673.076021] ? lock_downgrade+0x900/0x900 [ 673.080177] ? check_preemption_disabled+0x48/0x280 [ 673.085210] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 673.091013] ? kasan_check_read+0x11/0x20 [ 673.095165] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.100449] ? rcu_bh_qs+0xc0/0xc0 [ 673.103996] ? kasan_check_write+0x14/0x20 [ 673.108237] ? oom_evaluate_task+0x302/0x540 [ 673.112659] out_of_memory+0xa84/0x1430 [ 673.116652] ? oom_killer_disable+0x3a0/0x3a0 [ 673.121603] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 673.126546] ? __mutex_add_waiter+0x2a0/0x2a0 [ 673.131075] __alloc_pages_slowpath+0x230f/0x2d70 [ 673.135961] ? warn_alloc+0x120/0x120 [ 673.139765] ? __radix_tree_lookup+0x4c0/0x4c0 [ 673.144367] ? find_get_entry+0x2f2/0xc40 [ 673.148531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.154081] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 673.159016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.164558] ? should_fail+0x22d/0xd01 [ 673.168474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.173599] ? __lock_is_held+0xb5/0x140 [ 673.177713] ? __lock_is_held+0xb5/0x140 [ 673.181791] ? find_held_lock+0x36/0x1c0 [ 673.185866] ? ___might_sleep+0x1ed/0x300 [ 673.190014] ? lock_release+0x970/0x970 [ 673.193995] ? arch_local_save_flags+0x40/0x40 [ 673.198609] ? __might_sleep+0x95/0x190 [ 673.202613] __alloc_pages_nodemask+0xa80/0xde0 [ 673.207299] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 673.212323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 673.218123] ? kasan_check_read+0x11/0x20 [ 673.222277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.227699] ? graph_lock+0x170/0x170 [ 673.231511] ? print_usage_bug+0xc0/0xc0 [ 673.235593] ? graph_lock+0x170/0x170 [ 673.239400] ? graph_lock+0x170/0x170 [ 673.243205] ? __do_page_cache_readahead+0x7ce/0x980 [ 673.248317] ? find_held_lock+0x36/0x1c0 [ 673.252394] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 673.257941] alloc_pages_current+0x10c/0x210 [ 673.262354] ? lock_downgrade+0x900/0x900 [ 673.266512] __page_cache_alloc+0x38f/0x5b0 [ 673.270838] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 673.276637] ? kasan_check_read+0x11/0x20 [ 673.280791] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.286080] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 673.290765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.296309] ? check_preemption_disabled+0x48/0x280 [ 673.301339] filemap_fault+0x1594/0x25f0 [ 673.305424] ? __lock_page_or_retry+0xa00/0xa00 [ 673.310097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 673.315901] ? kasan_check_read+0x11/0x20 [ 673.320053] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.325340] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 673.330451] ? rcu_bh_qs+0xc0/0xc0 [ 673.334002] ? trace_hardirqs_on+0xbd/0x310 [ 673.338326] ? kasan_check_read+0x11/0x20 [ 673.342479] ? __free_object+0x173/0x340 [ 673.346553] ? filemap_map_pages+0xdea/0x1980 [ 673.351077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 673.356187] ? __free_object+0x173/0x340 [ 673.360271] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 673.365553] ? debug_object_free+0x325/0x690 [ 673.369986] ? find_get_pages_range_tag+0x1320/0x1320 [ 673.375184] ? graph_lock+0x170/0x170 [ 673.379002] ? kasan_check_read+0x11/0x20 [ 673.383161] ? debug_object_destroy+0x2b0/0x2b0 [ 673.387851] ? lock_acquire+0x1ed/0x520 [ 673.391828] ? ext4_filemap_fault+0x7a/0xad [ 673.396159] ? lock_release+0x970/0x970 [ 673.400137] ? arch_local_save_flags+0x40/0x40 [ 673.404727] ? futex_wait_setup+0x3e0/0x3e0 [ 673.409068] ? down_read+0xb0/0x1d0 [ 673.412699] ? ext4_filemap_fault+0x7a/0xad [ 673.417030] ? __down_interruptible+0x700/0x700 [ 673.421727] ext4_filemap_fault+0x82/0xad [ 673.425886] __do_fault+0x100/0x6b0 [ 673.429526] ? print_bad_pte+0x6c0/0x6c0 [ 673.433621] ? do_futex+0x249/0x26d0 [ 673.437341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.442881] ? check_preemption_disabled+0x48/0x280 [ 673.447905] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 673.452664] ? pmd_val+0x88/0x100 [ 673.456121] ? add_mm_counter_fast+0xd0/0xd0 [ 673.460534] ? pmd_val+0x88/0x100 [ 673.464003] ? add_mm_counter_fast+0xd0/0xd0 [ 673.468420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.473966] __handle_mm_fault+0x3709/0x53e0 [ 673.478377] ? debug_smp_processor_id+0x1c/0x20 [ 673.483059] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 673.487904] ? graph_lock+0x170/0x170 [ 673.491711] ? print_usage_bug+0xc0/0xc0 [ 673.495775] ? should_fail+0xaf/0xd01 [ 673.499594] ? graph_lock+0x170/0x170 [ 673.503401] ? graph_lock+0x170/0x170 [ 673.507233] ? handle_mm_fault+0x42a/0xc70 [ 673.511476] ? lock_downgrade+0x900/0x900 [ 673.515633] ? check_preemption_disabled+0x48/0x280 [ 673.520661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 673.526462] ? kasan_check_read+0x11/0x20 [ 673.530626] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.535910] ? rcu_bh_qs+0xc0/0xc0 [ 673.539460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 673.544915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.550461] ? check_preemption_disabled+0x48/0x280 [ 673.555498] handle_mm_fault+0x54f/0xc70 [ 673.559576] ? __handle_mm_fault+0x53e0/0x53e0 [ 673.564181] ? find_vma+0x34/0x190 [ 673.567735] __do_page_fault+0x67d/0xed0 [ 673.571813] ? mm_fault_error+0x380/0x380 [ 673.575964] ? trace_hardirqs_off+0xb8/0x310 [ 673.580376] ? trace_hardirqs_on+0x310/0x310 [ 673.584789] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 673.590156] ? trace_hardirqs_on+0x310/0x310 [ 673.594594] do_page_fault+0xf2/0x7e0 [ 673.598406] ? vmalloc_sync_all+0x30/0x30 [ 673.602557] ? error_entry+0x70/0xd0 [ 673.606292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 673.611308] ? trace_hardirqs_on_caller+0xc0/0x310 [ 673.616246] ? syscall_return_slowpath+0x5e0/0x5e0 [ 673.621180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.626027] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.631043] ? trace_hardirqs_off+0x310/0x310 [ 673.635546] ? prepare_exit_to_usermode+0x291/0x3b0 [ 673.640592] ? page_fault+0x8/0x30 [ 673.644147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.648995] ? page_fault+0x8/0x30 [ 673.652541] page_fault+0x1e/0x30 [ 673.656025] RIP: 0033:0x45ddf3 [ 673.659231] Code: Bad RIP value. [ 673.662606] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 673.667978] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 673.675251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 673.682521] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 673.689793] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 673.697065] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 673.704377] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 673.704462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 673.711662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.711668] Call Trace: [ 673.711676] [ 673.711700] dump_stack+0x1c4/0x2b6 [ 673.711720] ? dump_stack_print_info.cold.1+0x20/0x20 [ 673.718317] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 673.727577] warn_alloc.cold.119+0xb7/0x1bd [ 673.730137] syz-fuzzer cpuset= [ 673.732293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 673.735898] / [ 673.741102] ? lock_downgrade+0x900/0x900 [ 673.751305] mems_allowed=0 [ 673.755636] ? trace_hardirqs_off+0xb8/0x310 [ 673.776794] ? trace_hardirqs_off+0xb8/0x310 [ 673.781224] __alloc_pages_slowpath+0x265e/0x2d70 [ 673.786117] ? warn_alloc+0x120/0x120 [ 673.789927] ? pvclock_read_flags+0x160/0x160 [ 673.794428] ? warn_alloc+0x120/0x120 [ 673.798243] ? print_usage_bug+0xc0/0xc0 [ 673.802310] ? warn_alloc+0x120/0x120 [ 673.806114] ? kvm_clock_read+0x18/0x30 [ 673.810100] ? print_usage_bug+0xc0/0xc0 [ 673.814164] ? ktime_get+0x2e1/0x440 [ 673.817886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.823432] ? check_preemption_disabled+0x48/0x280 [ 673.828458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.834004] ? should_fail+0x22d/0xd01 [ 673.837903] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 673.843193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.848302] ? __lock_acquire+0x7ec/0x4ec0 [ 673.852547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 673.857665] ? __lock_acquire+0x7ec/0x4ec0 [ 673.861906] ? should_fail+0x22d/0xd01 [ 673.865802] ? print_usage_bug+0xc0/0xc0 [ 673.869879] ? mark_held_locks+0x130/0x130 [ 673.874126] ? mark_held_locks+0x130/0x130 [ 673.878377] ? graph_lock+0x170/0x170 [ 673.882182] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 673.887212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.892756] ? check_preemption_disabled+0x48/0x280 [ 673.897777] ? check_preemption_disabled+0x48/0x280 [ 673.902817] ? __lock_is_held+0xb5/0x140 [ 673.906893] __alloc_pages_nodemask+0xa80/0xde0 [ 673.911574] ? graph_lock+0x170/0x170 [ 673.915386] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 673.920412] ? graph_lock+0x170/0x170 [ 673.924232] ? find_held_lock+0x36/0x1c0 [ 673.928310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 673.932988] ? lock_downgrade+0x900/0x900 [ 673.937150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.942698] cache_grow_begin+0x91/0x8c0 [ 673.946769] ? do_raw_spin_unlock+0xa7/0x330 [ 673.951194] fallback_alloc+0x203/0x2e0 [ 673.955186] ____cache_alloc_node+0x1c7/0x1e0 [ 673.959692] kmem_cache_alloc_node+0xe3/0x730 [ 673.964199] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 673.969306] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 673.973907] __alloc_skb+0x119/0x770 [ 673.977630] ? calc_wheel_index+0x220/0x220 [ 673.981962] ? skb_scrub_packet+0x490/0x490 [ 673.986302] ? vprintk_default+0x28/0x30 [ 673.990374] ? vprintk_func+0x85/0x181 [ 673.994277] ? printk+0xa7/0xcf [ 673.997577] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 674.002363] new_skb+0x26/0x1c0 [ 674.005657] aoecmd_cfg+0x279/0x7f0 [ 674.009300] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 674.013635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.019182] ? check_preemption_disabled+0x48/0x280 [ 674.024201] ? check_preemption_disabled+0x48/0x280 [ 674.029237] ? __lock_is_held+0xb5/0x140 [ 674.033323] discover_timer+0x50/0x60 [ 674.037132] call_timer_fn+0x272/0x920 [ 674.041025] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.045882] ? process_timeout+0x40/0x40 [ 674.049950] ? find_held_lock+0x36/0x1c0 [ 674.054025] ? __run_timers+0x7da/0xc70 [ 674.058014] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.062515] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.067018] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.071870] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 674.076462] ? trace_hardirqs_on+0xbd/0x310 [ 674.080790] ? kasan_check_read+0x11/0x20 [ 674.084944] ? __run_timers+0x7da/0xc70 [ 674.088926] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 674.094403] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.099256] __run_timers+0x7e5/0xc70 [ 674.103078] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 674.108460] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 674.113483] ? graph_lock+0x170/0x170 [ 674.117295] ? enqueue_hrtimer+0x1a5/0x560 [ 674.121734] ? lock_release+0x970/0x970 [ 674.125721] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 674.130924] ? find_held_lock+0x36/0x1c0 [ 674.134998] ? graph_lock+0x170/0x170 [ 674.138809] ? pvclock_read_flags+0x160/0x160 [ 674.143307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.148851] ? check_preemption_disabled+0x48/0x280 [ 674.153888] ? __lock_is_held+0xb5/0x140 [ 674.157960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.163502] ? check_preemption_disabled+0x48/0x280 [ 674.168534] run_timer_softirq+0x52/0xb0 [ 674.172611] ? rcu_read_lock_sched_held+0x108/0x120 [ 674.177638] __do_softirq+0x30c/0xb03 [ 674.181456] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 674.186579] ? pvclock_read_flags+0x160/0x160 [ 674.191087] ? lapic_next_event+0x5a/0x90 [ 674.195243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.200788] ? check_preemption_disabled+0x48/0x280 [ 674.205816] ? check_preemption_disabled+0x48/0x280 [ 674.210850] ? kvm_clock_read+0x18/0x30 [ 674.214829] ? kvm_sched_clock_read+0x9/0x20 [ 674.219241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.224784] ? check_preemption_disabled+0x48/0x280 [ 674.229821] irq_exit+0x17f/0x1c0 [ 674.233279] smp_apic_timer_interrupt+0x1cb/0x760 [ 674.238127] ? smp_reschedule_interrupt+0x109/0x650 [ 674.243170] ? smp_call_function_single_interrupt+0x650/0x650 [ 674.249070] ? interrupt_entry+0xb5/0xf0 [ 674.253155] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.258175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.263209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.268053] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.273099] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.278119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.283658] ? check_preemption_disabled+0x48/0x280 [ 674.288676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.294224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.299095] apic_timer_interrupt+0xf/0x20 [ 674.303328] [ 674.305578] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 674.310514] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 674.329417] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 674.337132] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 674.344401] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 674.351670] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 674.358944] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 674.366214] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 674.373554] skb_clone+0x1bb/0x500 [ 674.377131] ? skb_split+0x11e0/0x11e0 [ 674.381030] ? preempt_notifier_register+0x200/0x200 [ 674.386136] ? __switch_to_asm+0x34/0x70 [ 674.390233] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 674.395007] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 674.399776] bpf_clone_redirect+0xb9/0x490 [ 674.404026] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 674.409056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 674.413830] ? find_held_lock+0x36/0x1c0 [ 674.417906] ? lock_acquire+0x1ed/0x520 [ 674.421885] ? bpf_test_run+0x3cb/0x780 [ 674.425863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.431409] ? check_preemption_disabled+0x48/0x280 [ 674.436437] ? kasan_check_read+0x11/0x20 [ 674.440597] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 674.445889] ? rcu_bh_qs+0xc0/0xc0 [ 674.449433] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 674.454641] ? bpf_test_run+0x25d/0x780 [ 674.458633] ? netlink_diag_dump+0x2a0/0x2a0 [ 674.463079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.468662] ? bpf_test_init.isra.10+0x70/0x100 [ 674.473354] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 674.478135] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 674.482977] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.488525] ? fput+0x130/0x1a0 [ 674.491808] ? __bpf_prog_get+0x9b/0x290 [ 674.495877] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 674.500725] ? bpf_prog_test_run+0x130/0x1a0 [ 674.505146] ? __x64_sys_bpf+0x3d8/0x520 [ 674.509233] ? bpf_prog_get+0x20/0x20 [ 674.513068] ? do_syscall_64+0x1b9/0x820 [ 674.517154] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 674.522521] ? syscall_return_slowpath+0x5e0/0x5e0 [ 674.527455] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.532477] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 674.537493] ? recalc_sigpending_tsk+0x180/0x180 [ 674.542253] ? kasan_check_write+0x14/0x20 [ 674.546495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.551352] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.556741] warn_alloc_show_mem: 1 callbacks suppressed [ 674.556754] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 674.556756] Mem-Info: [ 674.556787] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 674.556787] active_file:13 inactive_file:34 isolated_file:0 [ 674.556787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 674.556787] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 674.556787] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 674.556787] free:13625 free_pcp:139 free_cma:0 [ 674.562137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 674.569161] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 674.571563] Call Trace: [ 674.604448] Node 0 [ 674.613805] [ 674.641406] 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 [ 674.643978] dump_stack+0x1c4/0x2b6 [ 674.646200] lowmem_reserve[]: [ 674.648365] ? dump_stack_print_info.cold.1+0x20/0x20 [ 674.673852] 0 2819 [ 674.677522] warn_alloc.cold.119+0xb7/0x1bd [ 674.680598] 6323 [ 674.685786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 674.688022] 6323 [ 674.692354] ? lock_downgrade+0x900/0x900 [ 674.694415] Node 0 [ 674.699261] ? trace_hardirqs_off+0xb8/0x310 [ 674.701330] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 674.705452] ? trace_hardirqs_off+0xb8/0x310 [ 674.707656] lowmem_reserve[]: 0 [ 674.712078] __alloc_pages_slowpath+0x265e/0x2d70 [ 674.739198] 0 3503 3503 [ 674.739210] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 674.739232] lowmem_reserve[]: 0 0 0 0 [ 674.739246] 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 [ 674.739305] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24868kB [ 674.739392] Node 0 Normal: 871*4kB (MEH) 470*8kB (MEH) 180*16kB (UMEH) 61*32kB (UME) 19*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13292kB [ 674.739445] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 674.739451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 674.739454] 238 total pagecache pages [ 674.739463] 0 pages in swap cache [ 674.739468] Swap cache stats: add 0, delete 0, find 0/0 [ 674.739471] Free swap = 0kB [ 674.739473] Total swap = 0kB [ 674.739477] 1965979 pages RAM [ 674.739480] 0 pages HighMem/MovableOnly [ 674.739482] 342306 pages reserved [ 674.739485] 0 pages cma reserved [ 674.739546] aoe: skb alloc failure [ 674.739625] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 674.744066] ? warn_alloc+0x120/0x120 [ 674.747301] syz-executor4 cpuset= [ 674.752157] ? trace_hardirqs_on+0x310/0x310 [ 674.754808] syz4 [ 674.784498] ? warn_alloc+0x120/0x120 [ 674.788294] mems_allowed=0 [ 674.801818] ? print_usage_bug+0xc0/0xc0 [ 674.919907] ? warn_alloc+0x120/0x120 [ 674.923710] ? ktime_get+0x2e1/0x440 [ 674.927425] ? print_usage_bug+0xc0/0xc0 [ 674.931495] ? __lock_acquire+0x7ec/0x4ec0 [ 674.935738] ? __lock_acquire+0x7ec/0x4ec0 [ 674.939981] ? kasan_check_read+0x11/0x20 [ 674.944137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.949678] ? should_fail+0x22d/0xd01 [ 674.953578] ? rcu_bh_qs+0xc0/0xc0 [ 674.957139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.962247] ? __lock_acquire+0x7ec/0x4ec0 [ 674.966503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.971624] ? __lock_acquire+0x7ec/0x4ec0 [ 674.975877] ? should_fail+0x22d/0xd01 [ 674.979773] ? rcu_idle_enter+0x4b0/0x4b0 [ 674.983935] ? mark_held_locks+0x130/0x130 [ 674.988192] ? mark_held_locks+0x130/0x130 [ 674.992444] ? graph_lock+0x170/0x170 [ 674.996247] ? print_usage_bug+0xc0/0xc0 [ 675.000318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.005872] ? check_preemption_disabled+0x48/0x280 [ 675.010890] ? check_preemption_disabled+0x48/0x280 [ 675.015924] ? __lock_is_held+0xb5/0x140 [ 675.019998] __alloc_pages_nodemask+0xa80/0xde0 [ 675.024672] ? graph_lock+0x170/0x170 [ 675.028478] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 675.033493] ? graph_lock+0x170/0x170 [ 675.037311] ? find_held_lock+0x36/0x1c0 [ 675.041387] ? ____cache_alloc_node+0x1c7/0x1e0 [ 675.046064] ? lock_downgrade+0x900/0x900 [ 675.050229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.055781] cache_grow_begin+0x91/0x8c0 [ 675.059849] ? do_raw_spin_unlock+0xa7/0x330 [ 675.064270] fallback_alloc+0x203/0x2e0 [ 675.068260] ____cache_alloc_node+0x1c7/0x1e0 [ 675.072765] kmem_cache_alloc_node+0xe3/0x730 [ 675.077271] ? ipv6_get_ifaddr+0x42e/0x620 [ 675.081522] __alloc_skb+0x119/0x770 [ 675.085244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 675.090534] ? skb_scrub_packet+0x490/0x490 [ 675.094882] ? lock_downgrade+0x900/0x900 [ 675.099046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.104605] ? refcount_sub_and_test_checked+0x203/0x310 [ 675.110068] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 675.115528] ? addrconf_rs_timer+0x690/0x690 [ 675.120387] ndisc_alloc_skb+0x144/0x340 [ 675.124459] ndisc_send_rs+0x331/0x6e0 [ 675.128357] addrconf_rs_timer+0x314/0x690 [ 675.132616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.136876] call_timer_fn+0x272/0x920 [ 675.140764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.145011] ? process_timeout+0x40/0x40 [ 675.149081] ? find_held_lock+0x36/0x1c0 [ 675.153161] ? mark_held_locks+0xc7/0x130 [ 675.157323] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.161822] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.166321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.170564] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 675.175173] ? trace_hardirqs_on+0xbd/0x310 [ 675.179502] ? kasan_check_read+0x11/0x20 [ 675.183656] ? __run_timers+0x7da/0xc70 [ 675.187641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 675.193100] ? work_on_cpu_safe+0x90/0x90 [ 675.197259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.201502] __run_timers+0x7e5/0xc70 [ 675.205322] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 675.210696] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 675.215721] ? graph_lock+0x170/0x170 [ 675.219531] ? print_usage_bug+0xc0/0xc0 [ 675.223605] ? enqueue_hrtimer+0x1a5/0x560 [ 675.227967] ? lock_release+0x970/0x970 [ 675.231952] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 675.237152] ? find_held_lock+0x36/0x1c0 [ 675.241219] ? graph_lock+0x170/0x170 [ 675.245030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.250588] ? check_preemption_disabled+0x48/0x280 [ 675.255632] ? __lock_is_held+0xb5/0x140 [ 675.259700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.265242] ? check_preemption_disabled+0x48/0x280 [ 675.270269] run_timer_softirq+0x52/0xb0 [ 675.274335] ? rcu_read_lock_sched_held+0x108/0x120 [ 675.279354] __do_softirq+0x30c/0xb03 [ 675.283172] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 675.288290] ? pvclock_read_flags+0x160/0x160 [ 675.292790] ? lapic_next_event+0x5a/0x90 [ 675.296943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.302489] ? check_preemption_disabled+0x48/0x280 [ 675.307508] ? check_preemption_disabled+0x48/0x280 [ 675.312538] ? kvm_clock_read+0x18/0x30 [ 675.316518] ? kvm_sched_clock_read+0x9/0x20 [ 675.320946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.326487] ? check_preemption_disabled+0x48/0x280 [ 675.331522] irq_exit+0x17f/0x1c0 [ 675.334981] smp_apic_timer_interrupt+0x1cb/0x760 [ 675.339828] ? smp_reschedule_interrupt+0x109/0x650 [ 675.344848] ? smp_call_function_single_interrupt+0x650/0x650 [ 675.350737] ? interrupt_entry+0xb5/0xf0 [ 675.354802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.359821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.364841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.369685] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.374705] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.379724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.385270] ? check_preemption_disabled+0x48/0x280 [ 675.390286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.395836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.400695] apic_timer_interrupt+0xf/0x20 [ 675.404928] [ 675.407186] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 675.412403] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 675.431339] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 675.439058] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 675.446328] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 675.453605] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 675.460873] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 675.468143] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 675.475467] retint_kernel+0x1b/0x2d [ 675.479189] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 675.484471] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 675.503375] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 675.511089] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 675.518358] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 675.525631] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 675.532898] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 675.540164] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 675.547469] ? arch_local_irq_restore+0x45/0x52 [ 675.552156] dump_stack+0x26a/0x2b6 [ 675.555796] ? dump_stack_print_info.cold.1+0x20/0x20 [ 675.560992] ? mark_held_locks+0x130/0x130 [ 675.565229] ? mark_held_locks+0x130/0x130 [ 675.569478] dump_header+0x27b/0xf72 [ 675.573217] ? pagefault_out_of_memory+0x197/0x197 [ 675.578160] ? __lock_acquire+0x7ec/0x4ec0 [ 675.582405] ? print_usage_bug+0xc0/0xc0 [ 675.586478] ? graph_lock+0x170/0x170 [ 675.590278] ? graph_lock+0x170/0x170 [ 675.594082] ? print_usage_bug+0xc0/0xc0 [ 675.598146] ? print_usage_bug+0xc0/0xc0 [ 675.602214] ? print_usage_bug+0xc0/0xc0 [ 675.607215] ? find_held_lock+0x36/0x1c0 [ 675.611290] ? mark_held_locks+0xc7/0x130 [ 675.615446] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 675.620555] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 675.625679] ? lockdep_hardirqs_on+0x421/0x5c0 [ 675.630266] ? trace_hardirqs_on+0xbd/0x310 [ 675.634607] ? kasan_check_read+0x11/0x20 [ 675.638758] ? ___ratelimit+0x36f/0x655 [ 675.642739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 675.648197] ? trace_hardirqs_on+0x310/0x310 [ 675.652614] ? lock_downgrade+0x900/0x900 [ 675.656797] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 675.661905] ? ___ratelimit+0xaa/0x655 [ 675.665796] ? idr_get_free+0xec0/0xec0 [ 675.669776] ? kasan_check_write+0x14/0x20 [ 675.674018] ? do_raw_spin_lock+0xc1/0x230 [ 675.678265] oom_kill_process.cold.27+0x10/0x903 [ 675.683027] ? graph_lock+0x170/0x170 [ 675.686837] ? _raw_spin_unlock+0x2c/0x50 [ 675.690987] ? oom_badness+0xe6/0xaa0 [ 675.694804] ? oom_evaluate_task+0x540/0x540 [ 675.699221] ? find_held_lock+0x36/0x1c0 [ 675.703299] ? out_of_memory+0x974/0x1430 [ 675.707453] ? lock_downgrade+0x900/0x900 [ 675.711613] ? check_preemption_disabled+0x48/0x280 [ 675.716641] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 675.722443] ? kasan_check_read+0x11/0x20 [ 675.726623] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 675.731912] ? rcu_bh_qs+0xc0/0xc0 [ 675.735467] ? kasan_check_write+0x14/0x20 [ 675.739707] ? oom_evaluate_task+0x302/0x540 [ 675.744127] out_of_memory+0xa84/0x1430 [ 675.748115] ? oom_killer_disable+0x3a0/0x3a0 [ 675.752623] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 675.757558] ? __mutex_add_waiter+0x2a0/0x2a0 [ 675.762084] __alloc_pages_slowpath+0x230f/0x2d70 [ 675.766972] ? warn_alloc+0x120/0x120 [ 675.771982] ? __radix_tree_lookup+0x4c0/0x4c0 [ 675.776606] ? find_get_entry+0x2f2/0xc40 [ 675.780770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.786315] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 675.791245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.796787] ? should_fail+0x22d/0xd01 [ 675.800687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.805799] ? __lock_is_held+0xb5/0x140 [ 675.809898] ? __lock_is_held+0xb5/0x140 [ 675.814634] ? find_held_lock+0x36/0x1c0 [ 675.818709] ? ___might_sleep+0x1ed/0x300 [ 675.822873] ? lock_release+0x970/0x970 [ 675.826855] ? arch_local_save_flags+0x40/0x40 [ 675.831453] ? __might_sleep+0x95/0x190 [ 675.835442] __alloc_pages_nodemask+0xa80/0xde0 [ 675.840121] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 675.845149] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 675.850953] ? kasan_check_read+0x11/0x20 [ 675.855109] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 675.860395] ? graph_lock+0x170/0x170 [ 675.864202] ? print_usage_bug+0xc0/0xc0 [ 675.868274] ? graph_lock+0x170/0x170 [ 675.872078] ? graph_lock+0x170/0x170 [ 675.875889] ? __do_page_cache_readahead+0x7ce/0x980 [ 675.881002] ? find_held_lock+0x36/0x1c0 [ 675.885076] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 675.890623] alloc_pages_current+0x10c/0x210 [ 675.895034] ? lock_downgrade+0x900/0x900 [ 675.899194] __page_cache_alloc+0x38f/0x5b0 [ 675.903524] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 675.909323] ? kasan_check_read+0x11/0x20 [ 675.913481] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 675.918767] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 675.923439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.928982] ? check_preemption_disabled+0x48/0x280 [ 675.934015] filemap_fault+0x1594/0x25f0 [ 675.938097] ? __lock_page_or_retry+0xa00/0xa00 [ 675.942772] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 675.948595] ? kasan_check_read+0x11/0x20 [ 675.952755] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 675.958039] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 675.963151] ? rcu_bh_qs+0xc0/0xc0 [ 675.966701] ? trace_hardirqs_on+0xbd/0x310 [ 675.971030] ? kasan_check_read+0x11/0x20 [ 675.975185] ? __free_object+0x173/0x340 [ 675.979258] ? filemap_map_pages+0xdea/0x1980 [ 675.983768] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 675.988877] ? __free_object+0x173/0x340 [ 675.992944] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 675.998223] ? debug_object_free+0x325/0x690 [ 676.002642] ? find_get_pages_range_tag+0x1320/0x1320 [ 676.007846] ? graph_lock+0x170/0x170 [ 676.011666] ? kasan_check_read+0x11/0x20 [ 676.015827] ? debug_object_destroy+0x2b0/0x2b0 [ 676.020516] ? lock_acquire+0x1ed/0x520 [ 676.024492] ? ext4_filemap_fault+0x7a/0xad [ 676.028830] ? lock_release+0x970/0x970 [ 676.032813] ? arch_local_save_flags+0x40/0x40 [ 676.037412] ? futex_wait_setup+0x3e0/0x3e0 [ 676.041766] ? down_read+0xb0/0x1d0 [ 676.045408] ? ext4_filemap_fault+0x7a/0xad [ 676.049764] ? __down_interruptible+0x700/0x700 [ 676.054475] ext4_filemap_fault+0x82/0xad [ 676.058654] __do_fault+0x100/0x6b0 [ 676.062305] ? print_bad_pte+0x6c0/0x6c0 [ 676.066388] ? do_futex+0x249/0x26d0 [ 676.070127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.075698] ? check_preemption_disabled+0x48/0x280 [ 676.080735] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 676.085507] ? pmd_val+0x88/0x100 [ 676.088970] ? add_mm_counter_fast+0xd0/0xd0 [ 676.093382] ? pmd_val+0x88/0x100 [ 676.096844] ? add_mm_counter_fast+0xd0/0xd0 [ 676.101268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.106825] __handle_mm_fault+0x3709/0x53e0 [ 676.111241] ? debug_smp_processor_id+0x1c/0x20 [ 676.115925] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 676.121271] ? graph_lock+0x170/0x170 [ 676.125081] ? print_usage_bug+0xc0/0xc0 [ 676.129146] ? should_fail+0xaf/0xd01 [ 676.132959] ? graph_lock+0x170/0x170 [ 676.136771] ? graph_lock+0x170/0x170 [ 676.140617] ? handle_mm_fault+0x42a/0xc70 [ 676.144861] ? lock_downgrade+0x900/0x900 [ 676.149015] ? check_preemption_disabled+0x48/0x280 [ 676.154051] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 676.159856] ? kasan_check_read+0x11/0x20 [ 676.164011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 676.169295] ? rcu_bh_qs+0xc0/0xc0 [ 676.172838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 676.178298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.184611] ? check_preemption_disabled+0x48/0x280 [ 676.189650] handle_mm_fault+0x54f/0xc70 [ 676.193721] ? __handle_mm_fault+0x53e0/0x53e0 [ 676.198309] ? find_vma+0x34/0x190 [ 676.201860] __do_page_fault+0x67d/0xed0 [ 676.205932] ? mm_fault_error+0x380/0x380 [ 676.210084] ? trace_hardirqs_off+0xb8/0x310 [ 676.214496] ? trace_hardirqs_on+0x310/0x310 [ 676.218908] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.224283] ? trace_hardirqs_on+0x310/0x310 [ 676.228707] do_page_fault+0xf2/0x7e0 [ 676.232518] ? vmalloc_sync_all+0x30/0x30 [ 676.236674] ? error_entry+0x70/0xd0 [ 676.240400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.245421] ? trace_hardirqs_on_caller+0xc0/0x310 [ 676.250357] ? syscall_return_slowpath+0x5e0/0x5e0 [ 676.255290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.260145] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.265168] ? trace_hardirqs_off+0x310/0x310 [ 676.269690] ? prepare_exit_to_usermode+0x291/0x3b0 [ 676.274716] ? page_fault+0x8/0x30 [ 676.278270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.283124] ? page_fault+0x8/0x30 [ 676.286673] page_fault+0x1e/0x30 [ 676.290130] RIP: 0033:0x45ddf3 [ 676.293330] Code: Bad RIP value. [ 676.296695] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 676.302059] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 676.309329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 676.316607] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 676.323877] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 676.331149] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 676.338460] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 676.338543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 676.345754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.352397] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 676.361606] Call Trace: [ 676.371819] syz-fuzzer cpuset= [ 676.374393] [ 676.374395] / mems_allowed=0 [ 676.377609] dump_stack+0x1c4/0x2b6 [ 676.386369] ? dump_stack_print_info.cold.1+0x20/0x20 [ 676.391603] warn_alloc.cold.119+0xb7/0x1bd [ 676.395932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 676.400787] ? lock_downgrade+0x900/0x900 [ 676.404950] ? trace_hardirqs_off+0xb8/0x310 [ 676.409368] ? trace_hardirqs_off+0xb8/0x310 [ 676.413792] __alloc_pages_slowpath+0x265e/0x2d70 [ 676.418671] ? warn_alloc+0x120/0x120 [ 676.422484] ? warn_alloc+0x120/0x120 [ 676.426294] ? print_usage_bug+0xc0/0xc0 [ 676.430357] ? warn_alloc+0x120/0x120 [ 676.434159] ? lock_release+0x970/0x970 [ 676.438139] ? print_usage_bug+0xc0/0xc0 [ 676.442203] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 676.447404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.452945] ? should_fail+0x22d/0xd01 [ 676.456855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.461964] ? __lock_acquire+0x7ec/0x4ec0 [ 676.466205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.471306] ? __lock_acquire+0x7ec/0x4ec0 [ 676.475543] ? should_fail+0x22d/0xd01 [ 676.479440] ? mark_held_locks+0x130/0x130 [ 676.483691] ? mark_held_locks+0x130/0x130 [ 676.487933] ? mark_held_locks+0x130/0x130 [ 676.492171] ? kvm_clock_read+0x18/0x30 [ 676.496142] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 676.501167] ? ktime_get+0x2e1/0x440 [ 676.504898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.510462] ? graph_lock+0x170/0x170 [ 676.514274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.519816] ? check_preemption_disabled+0x48/0x280 [ 676.524838] ? check_preemption_disabled+0x48/0x280 [ 676.529880] ? __lock_is_held+0xb5/0x140 [ 676.533980] __alloc_pages_nodemask+0xa80/0xde0 [ 676.538652] ? graph_lock+0x170/0x170 [ 676.542464] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 676.547493] ? graph_lock+0x170/0x170 [ 676.551308] ? find_held_lock+0x36/0x1c0 [ 676.555382] ? ____cache_alloc_node+0x1c7/0x1e0 [ 676.560054] ? lock_downgrade+0x900/0x900 [ 676.564218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.569768] cache_grow_begin+0x91/0x8c0 [ 676.573835] ? do_raw_spin_unlock+0xa7/0x330 [ 676.578257] fallback_alloc+0x203/0x2e0 [ 676.582241] ____cache_alloc_node+0x1c7/0x1e0 [ 676.586746] kmem_cache_alloc_node+0xe3/0x730 [ 676.591247] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 676.596353] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 676.600949] __alloc_skb+0x119/0x770 [ 676.604671] ? calc_wheel_index+0x220/0x220 [ 676.609046] ? skb_scrub_packet+0x490/0x490 [ 676.613380] ? vprintk_default+0x28/0x30 [ 676.617443] ? vprintk_func+0x85/0x181 [ 676.621340] ? printk+0xa7/0xcf [ 676.624625] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 676.629398] new_skb+0x26/0x1c0 [ 676.632687] aoecmd_cfg+0x279/0x7f0 [ 676.636330] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 676.640664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.646209] ? check_preemption_disabled+0x48/0x280 [ 676.651229] ? check_preemption_disabled+0x48/0x280 [ 676.656260] ? __lock_is_held+0xb5/0x140 [ 676.660339] discover_timer+0x50/0x60 [ 676.664151] call_timer_fn+0x272/0x920 [ 676.668041] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.672892] ? process_timeout+0x40/0x40 [ 676.676953] ? find_held_lock+0x36/0x1c0 [ 676.681027] ? __run_timers+0x7da/0xc70 [ 676.685014] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.689517] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.694019] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.698868] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 676.703454] ? trace_hardirqs_on+0xbd/0x310 [ 676.707783] ? kasan_check_read+0x11/0x20 [ 676.711938] ? __run_timers+0x7da/0xc70 [ 676.715920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 676.721399] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.726246] __run_timers+0x7e5/0xc70 [ 676.730068] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 676.735441] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 676.740468] ? graph_lock+0x170/0x170 [ 676.744279] ? enqueue_hrtimer+0x1a5/0x560 [ 676.748512] ? lock_release+0x970/0x970 [ 676.752490] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 676.757710] ? find_held_lock+0x36/0x1c0 [ 676.761779] ? graph_lock+0x170/0x170 [ 676.765595] ? pvclock_read_flags+0x160/0x160 [ 676.770098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.775634] ? check_preemption_disabled+0x48/0x280 [ 676.780674] ? __lock_is_held+0xb5/0x140 [ 676.784742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.790284] ? check_preemption_disabled+0x48/0x280 [ 676.795316] run_timer_softirq+0x52/0xb0 [ 676.799383] ? rcu_read_lock_sched_held+0x108/0x120 [ 676.804403] __do_softirq+0x30c/0xb03 [ 676.808223] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 676.813338] ? pvclock_read_flags+0x160/0x160 [ 676.817836] ? lapic_next_event+0x5a/0x90 [ 676.821985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.827531] ? check_preemption_disabled+0x48/0x280 [ 676.832548] ? check_preemption_disabled+0x48/0x280 [ 676.837594] ? kvm_clock_read+0x18/0x30 [ 676.841586] ? kvm_sched_clock_read+0x9/0x20 [ 676.846005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.851551] ? check_preemption_disabled+0x48/0x280 [ 676.856603] irq_exit+0x17f/0x1c0 [ 676.860071] smp_apic_timer_interrupt+0x1cb/0x760 [ 676.864925] ? smp_reschedule_interrupt+0x109/0x650 [ 676.869945] ? smp_call_function_single_interrupt+0x650/0x650 [ 676.875839] ? interrupt_entry+0xb5/0xf0 [ 676.879904] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.884928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.889948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.894800] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.899821] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.904848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.910397] ? check_preemption_disabled+0x48/0x280 [ 676.915417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.920973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.925834] apic_timer_interrupt+0xf/0x20 [ 676.930069] [ 676.932320] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 676.937259] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 676.956167] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 676.963883] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 676.971153] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 676.978421] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 676.985694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 676.992968] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 677.000294] skb_clone+0x1bb/0x500 [ 677.003844] ? skb_split+0x11e0/0x11e0 [ 677.007739] ? preempt_notifier_register+0x200/0x200 [ 677.012851] ? __switch_to_asm+0x34/0x70 [ 677.016921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 677.021688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 677.026464] bpf_clone_redirect+0xb9/0x490 [ 677.030720] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 677.035750] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 677.040520] ? find_held_lock+0x36/0x1c0 [ 677.044599] ? lock_acquire+0x1ed/0x520 [ 677.048589] ? bpf_test_run+0x3cb/0x780 [ 677.052581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.058128] ? check_preemption_disabled+0x48/0x280 [ 677.063158] ? kasan_check_read+0x11/0x20 [ 677.067316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 677.072611] ? rcu_bh_qs+0xc0/0xc0 [ 677.076165] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 677.081379] ? bpf_test_run+0x25d/0x780 [ 677.085374] ? netlink_diag_dump+0x2a0/0x2a0 [ 677.089796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.095342] ? bpf_test_init.isra.10+0x70/0x100 [ 677.100022] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 677.104900] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 677.109748] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 677.115298] ? fput+0x130/0x1a0 [ 677.118598] ? __bpf_prog_get+0x9b/0x290 [ 677.122672] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 677.127518] ? bpf_prog_test_run+0x130/0x1a0 [ 677.131939] ? __x64_sys_bpf+0x3d8/0x520 [ 677.136003] ? bpf_prog_get+0x20/0x20 [ 677.139831] ? do_syscall_64+0x1b9/0x820 [ 677.143901] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 677.149271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 677.154208] ? trace_hardirqs_on_caller+0x310/0x310 [ 677.159238] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 677.164261] ? recalc_sigpending_tsk+0x180/0x180 [ 677.169025] ? kasan_check_write+0x14/0x20 [ 677.173272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.178135] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 677.183521] warn_alloc_show_mem: 1 callbacks suppressed [ 677.183534] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 677.183536] Mem-Info: [ 677.183578] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 677.183578] active_file:13 inactive_file:34 isolated_file:0 [ 677.183578] unevictable:0 dirty:0 writeback:0 unstable:0 [ 677.183578] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 677.183578] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 677.183578] free:13625 free_pcp:139 free_cma:0 [ 677.189590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.189600] Call Trace: [ 677.196631] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 677.199033] [ 677.232376] Node 0 [ 677.241753] dump_stack+0x1c4/0x2b6 [ 677.244332] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 677.271913] ? dump_stack_print_info.cold.1+0x20/0x20 [ 677.274038] lowmem_reserve[]: [ 677.276312] warn_alloc.cold.119+0xb7/0x1bd [ 677.279908] 0 [ 677.305417] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 677.310596] 2819 [ 677.313707] ? lock_downgrade+0x900/0x900 [ 677.317996] 6323 6323 [ 677.319816] ? trace_hardirqs_off+0xb8/0x310 [ 677.324631] Node 0 [ 677.326697] ? trace_hardirqs_off+0xb8/0x310 [ 677.330844] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 677.333326] __alloc_pages_slowpath+0x265e/0x2d70 [ 677.337717] lowmem_reserve[]: 0 [ 677.340004] ? warn_alloc+0x120/0x120 [ 677.344363] 0 [ 677.371593] ? trace_hardirqs_on+0x310/0x310 [ 677.376414] 3503 3503 [ 677.379725] ? warn_alloc+0x120/0x120 [ 677.385313] ? print_usage_bug+0xc0/0xc0 [ 677.389696] Node 0 [ 677.392202] ? warn_alloc+0x120/0x120 [ 677.396001] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 677.400041] ? ktime_get+0x2e1/0x440 [ 677.402252] lowmem_reserve[]: [ 677.406056] ? print_usage_bug+0xc0/0xc0 [ 677.434409] 0 0 [ 677.438157] ? __lock_acquire+0x7ec/0x4ec0 [ 677.441231] 0 [ 677.445294] ? __lock_acquire+0x7ec/0x4ec0 [ 677.447246] 0 [ 677.451481] ? kasan_check_read+0x11/0x20 [ 677.453262] Node 0 [ 677.457496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.459273] DMA: [ 677.463431] ? should_fail+0x22d/0xd01 [ 677.465646] 1*4kB [ 677.471197] ? rcu_bh_qs+0xc0/0xc0 [ 677.473235] (U) [ 677.477140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.479267] 0*8kB [ 677.482805] ? __lock_acquire+0x7ec/0x4ec0 [ 677.484760] 0*16kB [ 677.489872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.492003] 1*32kB [ 677.496234] ? __lock_acquire+0x7ec/0x4ec0 [ 677.498448] (U) [ 677.503550] ? should_fail+0x22d/0xd01 [ 677.505768] 2*64kB [ 677.510003] ? rcu_idle_enter+0x4b0/0x4b0 [ 677.511959] (U) [ 677.515851] ? mark_held_locks+0x130/0x130 [ 677.518061] 1*128kB [ 677.522211] ? mark_held_locks+0x130/0x130 [ 677.524162] (U) [ 677.528400] ? mark_held_locks+0xc7/0x130 [ 677.530701] 1*256kB [ 677.534937] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 677.536889] (U) 0*512kB [ 677.541049] ? graph_lock+0x170/0x170 [ 677.543358] 1*1024kB [ 677.548372] ? print_usage_bug+0xc0/0xc0 [ 677.551019] (U) [ 677.555313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.557705] 1*2048kB [ 677.561768] ? check_preemption_disabled+0x48/0x280 [ 677.563721] (M) [ 677.569256] ? check_preemption_disabled+0x48/0x280 [ 677.571644] 3*4096kB [ 677.576663] ? __lock_is_held+0xb5/0x140 [ 677.578626] (M) [ 677.583656] __alloc_pages_nodemask+0xa80/0xde0 [ 677.586041] = 15908kB [ 677.590105] ? graph_lock+0x170/0x170 [ 677.592067] Node 0 [ 677.596740] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 677.599129] DMA32: [ 677.602926] ? graph_lock+0x170/0x170 [ 677.605146] 3*4kB [ 677.610464] ? find_held_lock+0x36/0x1c0 [ 677.612678] (M) [ 677.616482] ? ____cache_alloc_node+0x1c7/0x1e0 [ 677.618607] 1*8kB [ 677.622664] ? lock_downgrade+0x900/0x900 [ 677.624621] (M) [ 677.629307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.631445] 3*16kB [ 677.635626] cache_grow_begin+0x91/0x8c0 [ 677.637594] (UM) [ 677.643130] ? do_raw_spin_unlock+0xa7/0x330 [ 677.645360] 3*32kB [ 677.649422] fallback_alloc+0x203/0x2e0 [ 677.651462] (UM) [ 677.655875] ____cache_alloc_node+0x1c7/0x1e0 [ 677.658098] 4*64kB [ 677.662073] kmem_cache_alloc_node+0xe3/0x730 [ 677.664117] (M) [ 677.668621] ? ipv6_get_ifaddr+0x42e/0x620 [ 677.670836] 3*128kB [ 677.675345] __alloc_skb+0x119/0x770 [ 677.677291] (M) [ 677.681528] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 677.683821] 4*256kB (UM) [ 677.687544] ? skb_scrub_packet+0x490/0x490 [ 677.689504] 3*512kB [ 677.694776] ? lock_downgrade+0x900/0x900 [ 677.697536] (M) [ 677.701860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.704160] 3*1024kB [ 677.708344] ? refcount_sub_and_test_checked+0x203/0x310 [ 677.710300] (UM) [ 677.715833] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 677.718220] 3*2048kB [ 677.723666] ? addrconf_rs_timer+0x690/0x690 [ 677.725708] (UM) [ 677.731179] ndisc_alloc_skb+0x144/0x340 [ 677.733597] 3*4096kB [ 677.738005] ndisc_send_rs+0x331/0x6e0 [ 677.740049] (M) [ 677.744121] addrconf_rs_timer+0x314/0x690 [ 677.746509] = 24868kB [ 677.750414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 677.752376] Node 0 [ 677.756635] call_timer_fn+0x272/0x920 [ 677.759015] Normal: [ 677.763245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 677.765462] 871*4kB [ 677.769373] ? process_timeout+0x40/0x40 [ 677.771699] (MEH) [ 677.775934] ? find_held_lock+0x36/0x1c0 [ 677.778238] 470*8kB [ 677.782300] ? mark_held_locks+0xc7/0x130 [ 677.784427] (MEH) [ 677.788492] ? _raw_spin_unlock_irq+0x27/0x80 [ 677.790795] 180*16kB [ 677.794941] ? _raw_spin_unlock_irq+0x27/0x80 [ 677.797070] (UMEH) [ 677.801565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 677.803966] 61*32kB [ 677.808458] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 677.810677] (UME) [ 677.814912] ? trace_hardirqs_on+0xbd/0x310 [ 677.817218] 19*64kB [ 677.821800] ? kasan_check_read+0x11/0x20 [ 677.823926] (UMH) [ 677.828266] ? __run_timers+0x7da/0xc70 [ 677.830566] 0*128kB [ 677.834727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 677.836855] 0*256kB [ 677.840828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 677.843131] 0*512kB [ 677.848599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 677.850894] 0*1024kB [ 677.855131] __run_timers+0x7e5/0xc70 [ 677.857436] 0*2048kB [ 677.861681] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 677.864058] 0*4096kB [ 677.867860] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 677.870251] = 13292kB [ 677.875618] ? graph_lock+0x170/0x170 [ 677.878019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 677.883029] ? print_usage_bug+0xc0/0xc0 [ 677.885426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 677.889216] ? enqueue_hrtimer+0x1a5/0x560 [ 677.898061] 238 total pagecache pages [ 677.902143] ? lock_release+0x970/0x970 [ 677.910702] 0 pages in swap cache [ 677.914939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 677.918719] Swap cache stats: add 0, delete 0, find 0/0 [ 677.922694] ? find_held_lock+0x36/0x1c0 [ 677.926124] Free swap = 0kB [ 677.931331] ? graph_lock+0x170/0x170 [ 677.936674] Total swap = 0kB [ 677.940734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.943733] 1965979 pages RAM [ 677.947536] ? check_preemption_disabled+0x48/0x280 [ 677.950522] 0 pages HighMem/MovableOnly [ 677.950532] 342306 pages reserved [ 677.956080] ? __lock_is_held+0xb5/0x140 [ 677.959161] 0 pages cma reserved [ 677.964177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.968207] aoe: skb alloc failure [ 677.971601] ? check_preemption_disabled+0x48/0x280 [ 677.975668] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 677.979002] run_timer_softirq+0x52/0xb0 [ 677.984511] syz-executor4 cpuset= [ 677.988056] ? rcu_read_lock_sched_held+0x108/0x120 [ 677.993048] syz4 [ 678.004465] __do_softirq+0x30c/0xb03 [ 678.008514] mems_allowed=0 [ 678.011979] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 678.030745] ? pvclock_read_flags+0x160/0x160 [ 678.035249] ? lapic_next_event+0x5a/0x90 [ 678.039403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.044962] ? check_preemption_disabled+0x48/0x280 [ 678.049984] ? check_preemption_disabled+0x48/0x280 [ 678.055013] ? kvm_clock_read+0x18/0x30 [ 678.058988] ? kvm_sched_clock_read+0x9/0x20 [ 678.063404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.068946] ? check_preemption_disabled+0x48/0x280 [ 678.073981] irq_exit+0x17f/0x1c0 [ 678.077464] smp_apic_timer_interrupt+0x1cb/0x760 [ 678.082308] ? smp_reschedule_interrupt+0x109/0x650 [ 678.087328] ? smp_call_function_single_interrupt+0x650/0x650 [ 678.093221] ? interrupt_entry+0xb5/0xf0 [ 678.097289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.102309] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.107341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.112200] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.117253] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.122817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.128365] ? check_preemption_disabled+0x48/0x280 [ 678.133385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.138940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.143826] apic_timer_interrupt+0xf/0x20 [ 678.148058] [ 678.150304] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 678.155502] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 678.174410] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 678.182125] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 678.189395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 678.196671] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 678.203947] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 678.211220] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 678.218548] retint_kernel+0x1b/0x2d [ 678.222283] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 678.227568] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 678.246492] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 678.254209] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 678.261477] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 678.268749] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 678.276020] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 678.283290] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 678.290611] ? arch_local_irq_restore+0x45/0x52 [ 678.295302] dump_stack+0x26a/0x2b6 [ 678.298936] ? dump_stack_print_info.cold.1+0x20/0x20 [ 678.304133] ? mark_held_locks+0x130/0x130 [ 678.308379] ? mark_held_locks+0x130/0x130 [ 678.312632] dump_header+0x27b/0xf72 [ 678.316361] ? pagefault_out_of_memory+0x197/0x197 [ 678.321316] ? __lock_acquire+0x7ec/0x4ec0 [ 678.325556] ? print_usage_bug+0xc0/0xc0 [ 678.329640] ? graph_lock+0x170/0x170 [ 678.333442] ? graph_lock+0x170/0x170 [ 678.337243] ? print_usage_bug+0xc0/0xc0 [ 678.341305] ? print_usage_bug+0xc0/0xc0 [ 678.345371] ? print_usage_bug+0xc0/0xc0 [ 678.349444] ? find_held_lock+0x36/0x1c0 [ 678.353518] ? mark_held_locks+0xc7/0x130 [ 678.357684] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 678.362792] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 678.367898] ? lockdep_hardirqs_on+0x421/0x5c0 [ 678.372490] ? trace_hardirqs_on+0xbd/0x310 [ 678.376818] ? kasan_check_read+0x11/0x20 [ 678.380971] ? ___ratelimit+0x36f/0x655 [ 678.384952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 678.390408] ? trace_hardirqs_on+0x310/0x310 [ 678.394821] ? lock_downgrade+0x900/0x900 [ 678.398986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 678.404112] ? ___ratelimit+0xaa/0x655 [ 678.408007] ? idr_get_free+0xec0/0xec0 [ 678.411992] ? kasan_check_write+0x14/0x20 [ 678.416238] ? do_raw_spin_lock+0xc1/0x230 [ 678.420488] oom_kill_process.cold.27+0x10/0x903 [ 678.425256] ? graph_lock+0x170/0x170 [ 678.429060] ? _raw_spin_unlock+0x2c/0x50 [ 678.433214] ? oom_badness+0xe6/0xaa0 [ 678.437026] ? oom_evaluate_task+0x540/0x540 [ 678.441444] ? find_held_lock+0x36/0x1c0 [ 678.445521] ? out_of_memory+0x974/0x1430 [ 678.449674] ? lock_downgrade+0x900/0x900 [ 678.453828] ? check_preemption_disabled+0x48/0x280 [ 678.458860] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 678.464983] ? kasan_check_read+0x11/0x20 [ 678.469138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 678.474421] ? rcu_bh_qs+0xc0/0xc0 [ 678.477971] ? kasan_check_write+0x14/0x20 [ 678.482208] ? oom_evaluate_task+0x302/0x540 [ 678.486630] out_of_memory+0xa84/0x1430 [ 678.490628] ? oom_killer_disable+0x3a0/0x3a0 [ 678.495128] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 678.500077] ? __mutex_add_waiter+0x2a0/0x2a0 [ 678.504603] __alloc_pages_slowpath+0x230f/0x2d70 [ 678.509491] ? warn_alloc+0x120/0x120 [ 678.513329] ? __radix_tree_lookup+0x4c0/0x4c0 [ 678.517928] ? find_get_entry+0x2f2/0xc40 [ 678.522091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.527638] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 678.532580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.538148] ? should_fail+0x22d/0xd01 [ 678.542072] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 678.547194] ? __lock_is_held+0xb5/0x140 [ 678.551300] ? __lock_is_held+0xb5/0x140 [ 678.555386] ? find_held_lock+0x36/0x1c0 [ 678.559491] ? ___might_sleep+0x1ed/0x300 [ 678.563683] ? lock_release+0x970/0x970 [ 678.567679] ? arch_local_save_flags+0x40/0x40 [ 678.572306] ? __might_sleep+0x95/0x190 [ 678.576288] __alloc_pages_nodemask+0xa80/0xde0 [ 678.580969] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 678.585992] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 678.591792] ? kasan_check_read+0x11/0x20 [ 678.595946] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 678.601244] ? graph_lock+0x170/0x170 [ 678.605064] ? print_usage_bug+0xc0/0xc0 [ 678.609132] ? graph_lock+0x170/0x170 [ 678.612940] ? graph_lock+0x170/0x170 [ 678.616746] ? __do_page_cache_readahead+0x7ce/0x980 [ 678.621861] ? find_held_lock+0x36/0x1c0 [ 678.625937] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 678.631487] alloc_pages_current+0x10c/0x210 [ 678.635900] ? lock_downgrade+0x900/0x900 [ 678.640056] __page_cache_alloc+0x38f/0x5b0 [ 678.644384] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 678.650186] ? kasan_check_read+0x11/0x20 [ 678.654354] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 678.659652] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 678.664335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.669878] ? check_preemption_disabled+0x48/0x280 [ 678.674909] filemap_fault+0x1594/0x25f0 [ 678.678987] ? __lock_page_or_retry+0xa00/0xa00 [ 678.683664] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 678.689467] ? kasan_check_read+0x11/0x20 [ 678.693638] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 678.698931] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 678.704042] ? rcu_bh_qs+0xc0/0xc0 [ 678.707599] ? trace_hardirqs_on+0xbd/0x310 [ 678.711928] ? kasan_check_read+0x11/0x20 [ 678.716085] ? __free_object+0x173/0x340 [ 678.720164] ? filemap_map_pages+0xdea/0x1980 [ 678.724674] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 678.729789] ? __free_object+0x173/0x340 [ 678.733858] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 678.739139] ? debug_object_free+0x325/0x690 [ 678.743562] ? find_get_pages_range_tag+0x1320/0x1320 [ 678.748776] ? graph_lock+0x170/0x170 [ 678.752603] ? kasan_check_read+0x11/0x20 [ 678.756765] ? debug_object_destroy+0x2b0/0x2b0 [ 678.761449] ? lock_acquire+0x1ed/0x520 [ 678.765432] ? ext4_filemap_fault+0x7a/0xad [ 678.769767] ? lock_release+0x970/0x970 [ 678.774685] ? arch_local_save_flags+0x40/0x40 [ 678.779283] ? futex_wait_setup+0x3e0/0x3e0 [ 678.783630] ? down_read+0xb0/0x1d0 [ 678.787257] ? ext4_filemap_fault+0x7a/0xad [ 678.791600] ? __down_interruptible+0x700/0x700 [ 678.796297] ext4_filemap_fault+0x82/0xad [ 678.800453] __do_fault+0x100/0x6b0 [ 678.804089] ? print_bad_pte+0x6c0/0x6c0 [ 678.808167] ? do_futex+0x249/0x26d0 [ 678.811882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.817428] ? check_preemption_disabled+0x48/0x280 [ 678.822468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 678.827229] ? pmd_val+0x88/0x100 [ 678.830693] ? add_mm_counter_fast+0xd0/0xd0 [ 678.835131] ? pmd_val+0x88/0x100 [ 678.838606] ? add_mm_counter_fast+0xd0/0xd0 [ 678.843030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.848593] __handle_mm_fault+0x3709/0x53e0 [ 678.853017] ? debug_smp_processor_id+0x1c/0x20 [ 678.857699] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 678.862551] ? graph_lock+0x170/0x170 [ 678.866373] ? print_usage_bug+0xc0/0xc0 [ 678.870442] ? should_fail+0xaf/0xd01 [ 678.874254] ? graph_lock+0x170/0x170 [ 678.878060] ? graph_lock+0x170/0x170 [ 678.882318] ? handle_mm_fault+0x42a/0xc70 [ 678.886563] ? lock_downgrade+0x900/0x900 [ 678.890731] ? check_preemption_disabled+0x48/0x280 [ 678.895761] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 678.901567] ? kasan_check_read+0x11/0x20 [ 678.905739] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 678.911034] ? rcu_bh_qs+0xc0/0xc0 [ 678.914599] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 678.920063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.925618] ? check_preemption_disabled+0x48/0x280 [ 678.930650] handle_mm_fault+0x54f/0xc70 [ 678.934718] ? __handle_mm_fault+0x53e0/0x53e0 [ 678.939306] ? find_vma+0x34/0x190 [ 678.942861] __do_page_fault+0x67d/0xed0 [ 678.946934] ? mm_fault_error+0x380/0x380 [ 678.951084] ? trace_hardirqs_off+0xb8/0x310 [ 678.955497] ? trace_hardirqs_on+0x310/0x310 [ 678.959909] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.965281] ? trace_hardirqs_on+0x310/0x310 [ 678.969701] do_page_fault+0xf2/0x7e0 [ 678.973507] ? vmalloc_sync_all+0x30/0x30 [ 678.977658] ? error_entry+0x70/0xd0 [ 678.981376] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.986392] ? trace_hardirqs_on_caller+0xc0/0x310 [ 678.991345] ? syscall_return_slowpath+0x5e0/0x5e0 [ 678.996279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.001131] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.006175] ? trace_hardirqs_off+0x310/0x310 [ 679.010682] ? prepare_exit_to_usermode+0x291/0x3b0 [ 679.015701] ? page_fault+0x8/0x30 [ 679.019264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.024128] ? page_fault+0x8/0x30 [ 679.028058] page_fault+0x1e/0x30 [ 679.031520] RIP: 0033:0x45ddf3 [ 679.034757] Code: Bad RIP value. [ 679.038121] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 679.043492] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 679.050766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 679.058042] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 679.065316] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 679.072601] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 679.079918] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 679.080039] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 679.087210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.087220] Call Trace: [ 679.093847] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 679.103055] [ 679.105635] syz-fuzzer cpuset= [ 679.115872] dump_stack+0x1c4/0x2b6 [ 679.117991] / [ 679.121186] ? dump_stack_print_info.cold.1+0x20/0x20 [ 679.124796] mems_allowed=0 [ 679.126520] warn_alloc.cold.119+0xb7/0x1bd [ 679.138929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 679.143784] ? lock_downgrade+0x900/0x900 [ 679.147951] ? trace_hardirqs_off+0xb8/0x310 [ 679.152377] ? trace_hardirqs_off+0xb8/0x310 [ 679.156805] __alloc_pages_slowpath+0x265e/0x2d70 [ 679.161690] ? warn_alloc+0x120/0x120 [ 679.165505] ? warn_alloc+0x120/0x120 [ 679.169314] ? print_usage_bug+0xc0/0xc0 [ 679.173383] ? warn_alloc+0x120/0x120 [ 679.177191] ? print_usage_bug+0xc0/0xc0 [ 679.181265] ? mark_held_locks+0x130/0x130 [ 679.185508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.191050] ? should_fail+0x22d/0xd01 [ 679.194957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.200065] ? __lock_acquire+0x7ec/0x4ec0 [ 679.204313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.209419] ? __lock_acquire+0x7ec/0x4ec0 [ 679.213659] ? should_fail+0x22d/0xd01 [ 679.217566] ? mark_held_locks+0x130/0x130 [ 679.221821] ? mark_held_locks+0x130/0x130 [ 679.226599] ? lock_downgrade+0x900/0x900 [ 679.230763] ? graph_lock+0x170/0x170 [ 679.234579] ? graph_lock+0x170/0x170 [ 679.238386] ? graph_lock+0x170/0x170 [ 679.242191] ? print_usage_bug+0xc0/0xc0 [ 679.246260] ? do_raw_spin_unlock+0xa7/0x330 [ 679.250689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.256236] ? check_preemption_disabled+0x48/0x280 [ 679.261255] ? check_preemption_disabled+0x48/0x280 [ 679.266290] ? __lock_is_held+0xb5/0x140 [ 679.270364] __alloc_pages_nodemask+0xa80/0xde0 [ 679.275039] ? graph_lock+0x170/0x170 [ 679.278850] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 679.283871] ? graph_lock+0x170/0x170 [ 679.287689] ? find_held_lock+0x36/0x1c0 [ 679.291768] ? ____cache_alloc_node+0x1c7/0x1e0 [ 679.296445] ? lock_downgrade+0x900/0x900 [ 679.300614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.306164] cache_grow_begin+0x91/0x8c0 [ 679.310236] ? do_raw_spin_unlock+0xa7/0x330 [ 679.314661] fallback_alloc+0x203/0x2e0 [ 679.318649] ____cache_alloc_node+0x1c7/0x1e0 [ 679.323161] kmem_cache_alloc_node+0xe3/0x730 [ 679.327661] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 679.332772] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 679.337369] __alloc_skb+0x119/0x770 [ 679.341095] ? calc_wheel_index+0x220/0x220 [ 679.345431] ? skb_scrub_packet+0x490/0x490 [ 679.349769] ? vprintk_default+0x28/0x30 [ 679.353840] ? vprintk_func+0x85/0x181 [ 679.357741] ? printk+0xa7/0xcf [ 679.361030] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 679.365811] new_skb+0x26/0x1c0 [ 679.369105] aoecmd_cfg+0x279/0x7f0 [ 679.372748] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 679.377082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.382637] ? check_preemption_disabled+0x48/0x280 [ 679.387662] ? check_preemption_disabled+0x48/0x280 [ 679.392695] ? __lock_is_held+0xb5/0x140 [ 679.396782] discover_timer+0x50/0x60 [ 679.400601] call_timer_fn+0x272/0x920 [ 679.404499] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.409372] ? process_timeout+0x40/0x40 [ 679.413438] ? find_held_lock+0x36/0x1c0 [ 679.417520] ? __run_timers+0x7da/0xc70 [ 679.421508] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.426012] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.430513] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.435405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 679.440013] ? trace_hardirqs_on+0xbd/0x310 [ 679.444342] ? kasan_check_read+0x11/0x20 [ 679.448497] ? __run_timers+0x7da/0xc70 [ 679.452480] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 679.457957] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.462806] __run_timers+0x7e5/0xc70 [ 679.466633] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 679.472007] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 679.477034] ? graph_lock+0x170/0x170 [ 679.480849] ? enqueue_hrtimer+0x1a5/0x560 [ 679.485096] ? lock_release+0x970/0x970 [ 679.489081] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 679.494293] ? find_held_lock+0x36/0x1c0 [ 679.498365] ? graph_lock+0x170/0x170 [ 679.502174] ? pvclock_read_flags+0x160/0x160 [ 679.506675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.512222] ? check_preemption_disabled+0x48/0x280 [ 679.517262] ? __lock_is_held+0xb5/0x140 [ 679.521330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.526872] ? check_preemption_disabled+0x48/0x280 [ 679.531902] run_timer_softirq+0x52/0xb0 [ 679.535974] ? rcu_read_lock_sched_held+0x108/0x120 [ 679.541000] __do_softirq+0x30c/0xb03 [ 679.544820] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 679.549934] ? pvclock_read_flags+0x160/0x160 [ 679.554432] ? lapic_next_event+0x5a/0x90 [ 679.558597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.564148] ? check_preemption_disabled+0x48/0x280 [ 679.569172] ? check_preemption_disabled+0x48/0x280 [ 679.574200] ? kvm_clock_read+0x18/0x30 [ 679.578178] ? kvm_sched_clock_read+0x9/0x20 [ 679.582600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.588146] ? check_preemption_disabled+0x48/0x280 [ 679.593181] irq_exit+0x17f/0x1c0 [ 679.596642] smp_apic_timer_interrupt+0x1cb/0x760 [ 679.601487] ? smp_reschedule_interrupt+0x109/0x650 [ 679.606512] ? smp_call_function_single_interrupt+0x650/0x650 [ 679.612416] ? interrupt_entry+0xb5/0xf0 [ 679.616493] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.621512] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.626535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.631389] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.636407] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.641429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.646973] ? check_preemption_disabled+0x48/0x280 [ 679.651994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.657546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.662410] apic_timer_interrupt+0xf/0x20 [ 679.666647] [ 679.668897] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 679.673838] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 679.692742] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 679.700455] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 679.707731] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 679.715004] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 679.722274] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 679.729544] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 679.736876] skb_clone+0x1bb/0x500 [ 679.740426] ? skb_split+0x11e0/0x11e0 [ 679.744323] ? preempt_notifier_register+0x200/0x200 [ 679.749431] ? __switch_to_asm+0x34/0x70 [ 679.753505] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 679.758269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 679.763043] bpf_clone_redirect+0xb9/0x490 [ 679.767299] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 679.772317] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 679.777089] ? find_held_lock+0x36/0x1c0 [ 679.781171] ? lock_acquire+0x1ed/0x520 [ 679.785240] ? bpf_test_run+0x3cb/0x780 [ 679.789223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.794768] ? check_preemption_disabled+0x48/0x280 [ 679.799803] ? kasan_check_read+0x11/0x20 [ 679.803962] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 679.809257] ? rcu_bh_qs+0xc0/0xc0 [ 679.812807] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 679.818012] ? bpf_test_run+0x25d/0x780 [ 679.822005] ? netlink_diag_dump+0x2a0/0x2a0 [ 679.826421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.831962] ? bpf_test_init.isra.10+0x70/0x100 [ 679.836648] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 679.841420] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 679.846268] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 679.851812] ? fput+0x130/0x1a0 [ 679.855107] ? __bpf_prog_get+0x9b/0x290 [ 679.859179] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 679.864024] ? bpf_prog_test_run+0x130/0x1a0 [ 679.868444] ? __x64_sys_bpf+0x3d8/0x520 [ 679.872509] ? bpf_prog_get+0x20/0x20 [ 679.876343] ? do_syscall_64+0x1b9/0x820 [ 679.880413] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 679.885784] ? syscall_return_slowpath+0x5e0/0x5e0 [ 679.890724] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.895748] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 679.900772] ? recalc_sigpending_tsk+0x180/0x180 [ 679.905537] ? kasan_check_write+0x14/0x20 [ 679.909793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.914657] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 679.920044] warn_alloc_show_mem: 1 callbacks suppressed [ 679.920057] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 679.920059] Mem-Info: [ 679.920099] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 679.920099] active_file:13 inactive_file:34 isolated_file:0 [ 679.920099] unevictable:0 dirty:0 writeback:0 unstable:0 [ 679.920099] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 679.920099] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 679.920099] free:13625 free_pcp:139 free_cma:0 [ 679.925445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.932471] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 679.934879] Call Trace: [ 679.967747] Node 0 [ 679.977093] [ 679.977117] dump_stack+0x1c4/0x2b6 [ 680.004706] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 680.007276] ? dump_stack_print_info.cold.1+0x20/0x20 [ 680.009484] lowmem_reserve[]: [ 680.011649] warn_alloc.cold.119+0xb7/0x1bd [ 680.015248] 0 [ 680.040752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 680.045914] 2819 6323 [ 680.049032] ? lock_downgrade+0x900/0x900 [ 680.053332] 6323 [ 680.055141] ? trace_hardirqs_off+0xb8/0x310 [ 680.063425] ? trace_hardirqs_off+0xb8/0x310 [ 680.067557] Node 0 [ 680.069676] __alloc_pages_slowpath+0x265e/0x2d70 [ 680.074091] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 680.078494] ? warn_alloc+0x120/0x120 [ 680.080679] lowmem_reserve[]: 0 [ 680.085533] ? trace_hardirqs_on+0x310/0x310 [ 680.112666] 0 [ 680.116466] ? warn_alloc+0x120/0x120 [ 680.119983] 3503 3503 [ 680.124422] ? print_usage_bug+0xc0/0xc0 [ 680.130013] ? warn_alloc+0x120/0x120 [ 680.132492] Node 0 [ 680.136556] ? ktime_get+0x2e1/0x440 [ 680.140369] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 680.142594] ? print_usage_bug+0xc0/0xc0 [ 680.146277] lowmem_reserve[]: 0 [ 680.174663] ? __lock_acquire+0x7ec/0x4ec0 [ 680.178709] 0 [ 680.181992] ? __lock_acquire+0x7ec/0x4ec0 [ 680.186201] 0 [ 680.188005] ? kasan_check_read+0x11/0x20 [ 680.192218] 0 [ 680.194022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.199948] ? should_fail+0x22d/0xd01 [ 680.205465] Node 0 [ 680.209350] ? rcu_bh_qs+0xc0/0xc0 [ 680.209353] DMA: 1*4kB [ 680.211609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.215124] (U) [ 680.217706] ? __lock_acquire+0x7ec/0x4ec0 [ 680.222782] 0*8kB 0*16kB [ 680.224781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.228989] 1*32kB (U) [ 680.231759] ? __lock_acquire+0x7ec/0x4ec0 [ 680.236840] 2*64kB (U) [ 680.239433] ? should_fail+0x22d/0xd01 [ 680.243656] 1*128kB [ 680.246242] ? rcu_idle_enter+0x4b0/0x4b0 [ 680.250110] (U) [ 680.252436] ? mark_held_locks+0x130/0x130 [ 680.256553] 1*256kB (U) [ 680.258551] ? mark_held_locks+0x130/0x130 [ 680.262764] 0*512kB [ 680.265432] ? mark_held_locks+0xc7/0x130 [ 680.269649] 1*1024kB [ 680.271970] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 680.276092] (U) [ 680.278500] ? graph_lock+0x170/0x170 [ 680.283490] 1*2048kB (M) [ 680.285497] ? print_usage_bug+0xc0/0xc0 [ 680.289269] 3*4096kB (M) [ 680.292062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.296118] = 15908kB [ 680.296140] Node 0 [ 680.298916] ? check_preemption_disabled+0x48/0x280 [ 680.304454] DMA32: [ 680.306862] ? check_preemption_disabled+0x48/0x280 [ 680.309089] 3*4kB [ 680.314102] ? __lock_is_held+0xb5/0x140 [ 680.316319] (M) [ 680.321335] __alloc_pages_nodemask+0xa80/0xde0 [ 680.323454] 1*8kB (M) [ 680.327521] ? graph_lock+0x170/0x170 [ 680.329472] 3*16kB (UM) [ 680.334150] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 680.336622] 3*32kB (UM) [ 680.340426] ? graph_lock+0x170/0x170 [ 680.343076] 4*64kB (M) [ 680.348107] ? find_held_lock+0x36/0x1c0 [ 680.350756] 3*128kB (M) [ 680.354590] ? ____cache_alloc_node+0x1c7/0x1e0 [ 680.357134] 4*256kB (UM) [ 680.361220] ? lock_downgrade+0x900/0x900 [ 680.363878] 3*512kB (M) [ 680.368580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.371311] 3*1024kB (UM) [ 680.375485] cache_grow_begin+0x91/0x8c0 [ 680.378132] 3*2048kB (UM) [ 680.383675] ? do_raw_spin_unlock+0xa7/0x330 [ 680.386493] 3*4096kB (M) [ 680.390593] fallback_alloc+0x203/0x2e0 [ 680.393403] = 24868kB [ 680.397811] ____cache_alloc_node+0x1c7/0x1e0 [ 680.400542] Node 0 [ 680.404516] kmem_cache_alloc_node+0xe3/0x730 [ 680.406902] Normal: [ 680.411411] ? ipv6_get_ifaddr+0x42e/0x620 [ 680.413677] 871*4kB [ 680.418174] __alloc_skb+0x119/0x770 [ 680.420468] (MEH) [ 680.424723] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 680.427033] 470*8kB (MEH) [ 680.430757] ? skb_scrub_packet+0x490/0x490 [ 680.432880] 180*16kB (UMEH) [ 680.438162] ? lock_downgrade+0x900/0x900 [ 680.440986] 61*32kB (UME) [ 680.445321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.448313] 19*64kB [ 680.452461] ? refcount_sub_and_test_checked+0x203/0x310 [ 680.455287] (UMH) [ 680.460824] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 680.463126] 0*128kB 0*256kB [ 680.468600] ? addrconf_rs_timer+0x690/0x690 [ 680.470725] 0*512kB [ 680.476183] ndisc_alloc_skb+0x144/0x340 [ 680.479171] 0*1024kB [ 680.483595] ndisc_send_rs+0x331/0x6e0 [ 680.485889] 0*2048kB [ 680.489953] addrconf_rs_timer+0x314/0x690 [ 680.492338] 0*4096kB [ 680.496229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.498615] = 13292kB [ 680.502861] call_timer_fn+0x272/0x920 [ 680.505247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 680.509477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.511875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 680.515757] ? process_timeout+0x40/0x40 [ 680.524578] 238 total pagecache pages [ 680.528824] ? find_held_lock+0x36/0x1c0 [ 680.537387] 0 pages in swap cache [ 680.541448] ? mark_held_locks+0xc7/0x130 [ 680.545230] Swap cache stats: add 0, delete 0, find 0/0 [ 680.545240] Free swap = 0kB [ 680.549309] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.552744] Total swap = 0kB [ 680.556892] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.562232] 1965979 pages RAM [ 680.565240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.565257] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 680.569734] 0 pages HighMem/MovableOnly [ 680.572760] ? trace_hardirqs_on+0xbd/0x310 [ 680.577236] 342306 pages reserved [ 680.580375] ? kasan_check_read+0x11/0x20 [ 680.584595] 0 pages cma reserved [ 680.589213] ? __run_timers+0x7da/0xc70 [ 680.593274] aoe: skb alloc failure [ 680.597517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 680.601028] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 680.605109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.608458] syz-executor4 cpuset= [ 680.612434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.615953] syz4 [ 680.621403] __run_timers+0x7e5/0xc70 [ 680.631866] mems_allowed=0 [ 680.636107] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 680.657781] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 680.662803] ? graph_lock+0x170/0x170 [ 680.666629] ? print_usage_bug+0xc0/0xc0 [ 680.670777] ? enqueue_hrtimer+0x1a5/0x560 [ 680.675013] ? lock_release+0x970/0x970 [ 680.678990] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 680.684193] ? find_held_lock+0x36/0x1c0 [ 680.688264] ? graph_lock+0x170/0x170 [ 680.692086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.697647] ? check_preemption_disabled+0x48/0x280 [ 680.702679] ? __lock_is_held+0xb5/0x140 [ 680.706749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.712294] ? check_preemption_disabled+0x48/0x280 [ 680.717321] run_timer_softirq+0x52/0xb0 [ 680.721386] ? rcu_read_lock_sched_held+0x108/0x120 [ 680.726419] __do_softirq+0x30c/0xb03 [ 680.730234] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 680.735346] ? pvclock_read_flags+0x160/0x160 [ 680.739844] ? lapic_next_event+0x5a/0x90 [ 680.744008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.749560] ? check_preemption_disabled+0x48/0x280 [ 680.754603] ? check_preemption_disabled+0x48/0x280 [ 680.759629] ? kvm_clock_read+0x18/0x30 [ 680.763625] ? kvm_sched_clock_read+0x9/0x20 [ 680.768039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.773603] ? check_preemption_disabled+0x48/0x280 [ 680.778641] irq_exit+0x17f/0x1c0 [ 680.782095] smp_apic_timer_interrupt+0x1cb/0x760 [ 680.786938] ? smp_reschedule_interrupt+0x109/0x650 [ 680.791961] ? smp_call_function_single_interrupt+0x650/0x650 [ 680.797849] ? interrupt_entry+0xb5/0xf0 [ 680.801918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.806936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.811959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.816804] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.821822] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.826844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.832386] ? check_preemption_disabled+0x48/0x280 [ 680.837414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.842959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.847812] apic_timer_interrupt+0xf/0x20 [ 680.852040] [ 680.854280] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 680.859474] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 680.878373] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 680.886087] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 680.893355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 680.900635] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 680.907901] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 680.915168] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 680.922476] retint_kernel+0x1b/0x2d [ 680.926192] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 680.931482] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 680.950380] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 680.958117] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 680.965384] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 680.972651] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 680.979917] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 680.987182] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 680.994636] ? arch_local_irq_restore+0x45/0x52 [ 680.999322] dump_stack+0x26a/0x2b6 [ 681.002962] ? dump_stack_print_info.cold.1+0x20/0x20 [ 681.008163] ? mark_held_locks+0x130/0x130 [ 681.012407] ? mark_held_locks+0x130/0x130 [ 681.016650] dump_header+0x27b/0xf72 [ 681.020378] ? pagefault_out_of_memory+0x197/0x197 [ 681.025315] ? __lock_acquire+0x7ec/0x4ec0 [ 681.029559] ? print_usage_bug+0xc0/0xc0 [ 681.033642] ? graph_lock+0x170/0x170 [ 681.037440] ? graph_lock+0x170/0x170 [ 681.041241] ? print_usage_bug+0xc0/0xc0 [ 681.045301] ? print_usage_bug+0xc0/0xc0 [ 681.049392] ? print_usage_bug+0xc0/0xc0 [ 681.053468] ? find_held_lock+0x36/0x1c0 [ 681.057542] ? mark_held_locks+0xc7/0x130 [ 681.061704] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 681.066811] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 681.071915] ? lockdep_hardirqs_on+0x421/0x5c0 [ 681.077159] ? trace_hardirqs_on+0xbd/0x310 [ 681.081487] ? kasan_check_read+0x11/0x20 [ 681.085638] ? ___ratelimit+0x36f/0x655 [ 681.089623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 681.095080] ? trace_hardirqs_on+0x310/0x310 [ 681.099489] ? lock_downgrade+0x900/0x900 [ 681.103642] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 681.108761] ? ___ratelimit+0xaa/0x655 [ 681.112652] ? idr_get_free+0xec0/0xec0 [ 681.116642] ? kasan_check_write+0x14/0x20 [ 681.121334] ? do_raw_spin_lock+0xc1/0x230 [ 681.125598] oom_kill_process.cold.27+0x10/0x903 [ 681.130364] ? graph_lock+0x170/0x170 [ 681.134171] ? _raw_spin_unlock+0x2c/0x50 [ 681.138322] ? oom_badness+0xe6/0xaa0 [ 681.142167] ? oom_evaluate_task+0x540/0x540 [ 681.146600] ? find_held_lock+0x36/0x1c0 [ 681.150675] ? out_of_memory+0x974/0x1430 [ 681.154830] ? lock_downgrade+0x900/0x900 [ 681.158987] ? check_preemption_disabled+0x48/0x280 [ 681.164020] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 681.169821] ? kasan_check_read+0x11/0x20 [ 681.173976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.179274] ? rcu_bh_qs+0xc0/0xc0 [ 681.182826] ? kasan_check_write+0x14/0x20 [ 681.187069] ? oom_evaluate_task+0x302/0x540 [ 681.191489] out_of_memory+0xa84/0x1430 [ 681.195481] ? oom_killer_disable+0x3a0/0x3a0 [ 681.199983] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 681.204921] ? __mutex_add_waiter+0x2a0/0x2a0 [ 681.209438] __alloc_pages_slowpath+0x230f/0x2d70 [ 681.214322] ? warn_alloc+0x120/0x120 [ 681.218126] ? __radix_tree_lookup+0x4c0/0x4c0 [ 681.222727] ? find_get_entry+0x2f2/0xc40 [ 681.227054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.232615] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 681.237549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.243116] ? should_fail+0x22d/0xd01 [ 681.247014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.252122] ? __lock_is_held+0xb5/0x140 [ 681.256221] ? __lock_is_held+0xb5/0x140 [ 681.260314] ? find_held_lock+0x36/0x1c0 [ 681.264384] ? ___might_sleep+0x1ed/0x300 [ 681.268547] ? lock_release+0x970/0x970 [ 681.272552] ? arch_local_save_flags+0x40/0x40 [ 681.277176] ? __might_sleep+0x95/0x190 [ 681.281164] __alloc_pages_nodemask+0xa80/0xde0 [ 681.285846] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 681.290871] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 681.296680] ? kasan_check_read+0x11/0x20 [ 681.301818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.307102] ? graph_lock+0x170/0x170 [ 681.310910] ? print_usage_bug+0xc0/0xc0 [ 681.314977] ? graph_lock+0x170/0x170 [ 681.318779] ? graph_lock+0x170/0x170 [ 681.322596] ? __do_page_cache_readahead+0x7ce/0x980 [ 681.327712] ? find_held_lock+0x36/0x1c0 [ 681.331794] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 681.337339] alloc_pages_current+0x10c/0x210 [ 681.341754] ? lock_downgrade+0x900/0x900 [ 681.345914] __page_cache_alloc+0x38f/0x5b0 [ 681.350238] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 681.356038] ? kasan_check_read+0x11/0x20 [ 681.360190] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.365476] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 681.370151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.375693] ? check_preemption_disabled+0x48/0x280 [ 681.380728] filemap_fault+0x1594/0x25f0 [ 681.384809] ? __lock_page_or_retry+0xa00/0xa00 [ 681.390013] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 681.395816] ? kasan_check_read+0x11/0x20 [ 681.399973] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.405252] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 681.410361] ? rcu_bh_qs+0xc0/0xc0 [ 681.413907] ? trace_hardirqs_on+0xbd/0x310 [ 681.418234] ? kasan_check_read+0x11/0x20 [ 681.422386] ? __free_object+0x173/0x340 [ 681.426460] ? filemap_map_pages+0xdea/0x1980 [ 681.430969] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 681.436075] ? __free_object+0x173/0x340 [ 681.441082] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 681.446364] ? debug_object_free+0x325/0x690 [ 681.450779] ? find_get_pages_range_tag+0x1320/0x1320 [ 681.455982] ? graph_lock+0x170/0x170 [ 681.459797] ? kasan_check_read+0x11/0x20 [ 681.463950] ? debug_object_destroy+0x2b0/0x2b0 [ 681.468634] ? lock_acquire+0x1ed/0x520 [ 681.472616] ? ext4_filemap_fault+0x7a/0xad [ 681.476954] ? lock_release+0x970/0x970 [ 681.480939] ? arch_local_save_flags+0x40/0x40 [ 681.485537] ? futex_wait_setup+0x3e0/0x3e0 [ 681.489891] ? down_read+0xb0/0x1d0 [ 681.493524] ? ext4_filemap_fault+0x7a/0xad [ 681.497851] ? __down_interruptible+0x700/0x700 [ 681.502544] ext4_filemap_fault+0x82/0xad [ 681.506713] __do_fault+0x100/0x6b0 [ 681.510351] ? print_bad_pte+0x6c0/0x6c0 [ 681.514416] ? do_futex+0x249/0x26d0 [ 681.518131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.523675] ? check_preemption_disabled+0x48/0x280 [ 681.528697] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 681.533456] ? pmd_val+0x88/0x100 [ 681.536917] ? add_mm_counter_fast+0xd0/0xd0 [ 681.541324] ? pmd_val+0x88/0x100 [ 681.544782] ? add_mm_counter_fast+0xd0/0xd0 [ 681.549200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.554750] __handle_mm_fault+0x3709/0x53e0 [ 681.559162] ? debug_smp_processor_id+0x1c/0x20 [ 681.563848] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 681.568692] ? graph_lock+0x170/0x170 [ 681.572501] ? print_usage_bug+0xc0/0xc0 [ 681.576566] ? should_fail+0xaf/0xd01 [ 681.580386] ? graph_lock+0x170/0x170 [ 681.584190] ? graph_lock+0x170/0x170 [ 681.588020] ? handle_mm_fault+0x42a/0xc70 [ 681.592259] ? lock_downgrade+0x900/0x900 [ 681.596410] ? check_preemption_disabled+0x48/0x280 [ 681.601440] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 681.607239] ? kasan_check_read+0x11/0x20 [ 681.611392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.616674] ? rcu_bh_qs+0xc0/0xc0 [ 681.620218] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 681.625684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.631227] ? check_preemption_disabled+0x48/0x280 [ 681.636254] handle_mm_fault+0x54f/0xc70 [ 681.640339] ? __handle_mm_fault+0x53e0/0x53e0 [ 681.644927] ? find_vma+0x34/0x190 [ 681.648479] __do_page_fault+0x67d/0xed0 [ 681.652553] ? mm_fault_error+0x380/0x380 [ 681.656715] ? trace_hardirqs_off+0xb8/0x310 [ 681.661127] ? trace_hardirqs_on+0x310/0x310 [ 681.665538] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 681.670916] ? trace_hardirqs_on+0x310/0x310 [ 681.675336] do_page_fault+0xf2/0x7e0 [ 681.679138] ? vmalloc_sync_all+0x30/0x30 [ 681.683286] ? error_entry+0x70/0xd0 [ 681.687001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 681.692020] ? trace_hardirqs_on_caller+0xc0/0x310 [ 681.697289] ? syscall_return_slowpath+0x5e0/0x5e0 [ 681.702235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.707095] ? trace_hardirqs_on_caller+0x310/0x310 [ 681.712112] ? trace_hardirqs_off+0x310/0x310 [ 681.716624] ? prepare_exit_to_usermode+0x291/0x3b0 [ 681.721643] ? page_fault+0x8/0x30 [ 681.725185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.730046] ? page_fault+0x8/0x30 [ 681.733601] page_fault+0x1e/0x30 [ 681.737059] RIP: 0033:0x45ddf3 [ 681.740256] Code: Bad RIP value. [ 681.743619] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 681.748982] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 681.756253] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 681.763518] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 681.770784] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 681.780406] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 681.787721] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 681.787805] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 681.795002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 681.795008] Call Trace: [ 681.795016] [ 681.795040] dump_stack+0x1c4/0x2b6 [ 681.795072] ? dump_stack_print_info.cold.1+0x20/0x20 [ 681.801683] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 681.810946] warn_alloc.cold.119+0xb7/0x1bd [ 681.813501] syz-fuzzer cpuset= [ 681.815648] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 681.819252] / [ 681.824442] ? lock_downgrade+0x900/0x900 [ 681.834669] mems_allowed=0 [ 681.838991] ? trace_hardirqs_off+0xb8/0x310 [ 681.860179] ? trace_hardirqs_off+0xb8/0x310 [ 681.864611] __alloc_pages_slowpath+0x265e/0x2d70 [ 681.869530] ? warn_alloc+0x120/0x120 [ 681.873380] ? pvclock_read_flags+0x160/0x160 [ 681.877896] ? warn_alloc+0x120/0x120 [ 681.881702] ? print_usage_bug+0xc0/0xc0 [ 681.885767] ? warn_alloc+0x120/0x120 [ 681.889569] ? kvm_clock_read+0x18/0x30 [ 681.893556] ? print_usage_bug+0xc0/0xc0 [ 681.897630] ? ktime_get+0x2e1/0x440 [ 681.901350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.906899] ? check_preemption_disabled+0x48/0x280 [ 681.911921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.917462] ? should_fail+0x22d/0xd01 [ 681.921356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 681.926655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.931768] ? __lock_acquire+0x7ec/0x4ec0 [ 681.936014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.941123] ? __lock_acquire+0x7ec/0x4ec0 [ 681.945357] ? should_fail+0x22d/0xd01 [ 681.949247] ? print_usage_bug+0xc0/0xc0 [ 681.953324] ? mark_held_locks+0x130/0x130 [ 681.957584] ? mark_held_locks+0x130/0x130 [ 681.961841] ? graph_lock+0x170/0x170 [ 681.965647] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 681.970678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.976222] ? check_preemption_disabled+0x48/0x280 [ 681.981239] ? check_preemption_disabled+0x48/0x280 [ 681.986273] ? __lock_is_held+0xb5/0x140 [ 681.990352] __alloc_pages_nodemask+0xa80/0xde0 [ 681.995032] ? graph_lock+0x170/0x170 [ 681.998846] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 682.003868] ? graph_lock+0x170/0x170 [ 682.007685] ? find_held_lock+0x36/0x1c0 [ 682.011762] ? ____cache_alloc_node+0x1c7/0x1e0 [ 682.016440] ? lock_downgrade+0x900/0x900 [ 682.020624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.026184] cache_grow_begin+0x91/0x8c0 [ 682.030254] ? do_raw_spin_unlock+0xa7/0x330 [ 682.034675] fallback_alloc+0x203/0x2e0 [ 682.038660] ____cache_alloc_node+0x1c7/0x1e0 [ 682.043207] kmem_cache_alloc_node+0xe3/0x730 [ 682.047716] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 682.052826] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 682.057419] __alloc_skb+0x119/0x770 [ 682.061137] ? calc_wheel_index+0x220/0x220 [ 682.065465] ? skb_scrub_packet+0x490/0x490 [ 682.069805] ? vprintk_default+0x28/0x30 [ 682.073874] ? vprintk_func+0x85/0x181 [ 682.077788] ? printk+0xa7/0xcf [ 682.081108] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 682.085915] new_skb+0x26/0x1c0 [ 682.089206] aoecmd_cfg+0x279/0x7f0 [ 682.092845] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 682.097189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.102735] ? check_preemption_disabled+0x48/0x280 [ 682.107758] ? check_preemption_disabled+0x48/0x280 [ 682.112791] ? __lock_is_held+0xb5/0x140 [ 682.116872] discover_timer+0x50/0x60 [ 682.121051] call_timer_fn+0x272/0x920 [ 682.124970] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 682.129821] ? process_timeout+0x40/0x40 [ 682.133881] ? find_held_lock+0x36/0x1c0 [ 682.137961] ? __run_timers+0x7da/0xc70 [ 682.141959] ? _raw_spin_unlock_irq+0x27/0x80 [ 682.146469] ? _raw_spin_unlock_irq+0x27/0x80 [ 682.150967] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 682.155820] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 682.160407] ? trace_hardirqs_on+0xbd/0x310 [ 682.164736] ? kasan_check_read+0x11/0x20 [ 682.168892] ? __run_timers+0x7da/0xc70 [ 682.172872] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 682.178343] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 682.183191] __run_timers+0x7e5/0xc70 [ 682.187011] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 682.192383] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 682.197406] ? graph_lock+0x170/0x170 [ 682.201227] ? enqueue_hrtimer+0x1a5/0x560 [ 682.205642] ? lock_release+0x970/0x970 [ 682.209625] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 682.214837] ? find_held_lock+0x36/0x1c0 [ 682.218908] ? graph_lock+0x170/0x170 [ 682.222720] ? pvclock_read_flags+0x160/0x160 [ 682.227223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.232773] ? check_preemption_disabled+0x48/0x280 [ 682.237813] ? __lock_is_held+0xb5/0x140 [ 682.241883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.247429] ? check_preemption_disabled+0x48/0x280 [ 682.252462] run_timer_softirq+0x52/0xb0 [ 682.256533] ? rcu_read_lock_sched_held+0x108/0x120 [ 682.261562] __do_softirq+0x30c/0xb03 [ 682.265394] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 682.270510] ? pvclock_read_flags+0x160/0x160 [ 682.275008] ? lapic_next_event+0x5a/0x90 [ 682.279164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.284708] ? check_preemption_disabled+0x48/0x280 [ 682.289735] ? check_preemption_disabled+0x48/0x280 [ 682.294765] ? kvm_clock_read+0x18/0x30 [ 682.298752] ? kvm_sched_clock_read+0x9/0x20 [ 682.303176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.308720] ? check_preemption_disabled+0x48/0x280 [ 682.313756] irq_exit+0x17f/0x1c0 [ 682.317224] smp_apic_timer_interrupt+0x1cb/0x760 [ 682.322067] ? smp_reschedule_interrupt+0x109/0x650 [ 682.327100] ? smp_call_function_single_interrupt+0x650/0x650 [ 682.332995] ? interrupt_entry+0xb5/0xf0 [ 682.337064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.342093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.347121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.351974] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.356998] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.362019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.367564] ? check_preemption_disabled+0x48/0x280 [ 682.372602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.378187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.383050] apic_timer_interrupt+0xf/0x20 [ 682.387314] [ 682.389568] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 682.394515] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 682.413425] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 682.421158] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 682.428473] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 682.435750] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 682.443018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 682.450289] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 682.457624] skb_clone+0x1bb/0x500 [ 682.461174] ? skb_split+0x11e0/0x11e0 [ 682.465071] ? preempt_notifier_register+0x200/0x200 [ 682.470190] ? __switch_to_asm+0x34/0x70 [ 682.474261] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 682.479027] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 682.483796] bpf_clone_redirect+0xb9/0x490 [ 682.488060] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 682.493101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 682.497882] ? find_held_lock+0x36/0x1c0 [ 682.501958] ? lock_acquire+0x1ed/0x520 [ 682.505934] ? bpf_test_run+0x3cb/0x780 [ 682.509914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.515459] ? check_preemption_disabled+0x48/0x280 [ 682.520485] ? kasan_check_read+0x11/0x20 [ 682.524642] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 682.529921] ? rcu_bh_qs+0xc0/0xc0 [ 682.533468] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 682.538687] ? bpf_test_run+0x25d/0x780 [ 682.542689] ? netlink_diag_dump+0x2a0/0x2a0 [ 682.547108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.552648] ? bpf_test_init.isra.10+0x70/0x100 [ 682.557330] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 682.562105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 682.566952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 682.572495] ? fput+0x130/0x1a0 [ 682.575778] ? __bpf_prog_get+0x9b/0x290 [ 682.579845] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 682.584692] ? bpf_prog_test_run+0x130/0x1a0 [ 682.589116] ? __x64_sys_bpf+0x3d8/0x520 [ 682.593185] ? bpf_prog_get+0x20/0x20 [ 682.597017] ? do_syscall_64+0x1b9/0x820 [ 682.601103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 682.606470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 682.611419] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.616437] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 682.621457] ? recalc_sigpending_tsk+0x180/0x180 [ 682.626223] ? kasan_check_write+0x14/0x20 [ 682.630468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.635326] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 682.640722] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 682.640728] warn_alloc_show_mem: 1 callbacks suppressed [ 682.640735] Mem-Info: [ 682.647754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.647763] Call Trace: [ 682.653144] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 682.653144] active_file:13 inactive_file:34 isolated_file:0 [ 682.653144] unevictable:0 dirty:0 writeback:0 unstable:0 [ 682.653144] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 682.653144] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 682.653144] free:13625 free_pcp:139 free_cma:0 [ 682.655522] [ 682.664892] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 682.667583] dump_stack+0x1c4/0x2b6 [ 682.700453] Node 0 [ 682.702635] ? dump_stack_print_info.cold.1+0x20/0x20 [ 682.730232] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 682.733865] warn_alloc.cold.119+0xb7/0x1bd [ 682.736056] lowmem_reserve[]: 0 [ 682.741259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 682.766762] 2819 [ 682.771100] ? lock_downgrade+0x900/0x900 [ 682.774353] 6323 [ 682.779210] ? trace_hardirqs_off+0xb8/0x310 [ 682.781237] 6323 [ 682.785788] ? trace_hardirqs_off+0xb8/0x310 [ 682.787822] Node 0 [ 682.792247] __alloc_pages_slowpath+0x265e/0x2d70 [ 682.794304] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 682.800543] ? warn_alloc+0x120/0x120 [ 682.802726] lowmem_reserve[]: [ 682.807592] ? trace_hardirqs_on+0x310/0x310 [ 682.834733] 0 [ 682.838552] ? warn_alloc+0x120/0x120 [ 682.841625] 0 [ 682.846030] ? print_usage_bug+0xc0/0xc0 [ 682.847817] 3503 [ 682.851621] ? warn_alloc+0x120/0x120 [ 682.853405] 3503 [ 682.857464] ? ktime_get+0x2e1/0x440 [ 682.859505] Node 0 [ 682.863302] ? print_usage_bug+0xc0/0xc0 [ 682.865371] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 682.869057] ? __lock_acquire+0x7ec/0x4ec0 [ 682.871267] lowmem_reserve[]: 0 [ 682.875346] ? __lock_acquire+0x7ec/0x4ec0 [ 682.903701] 0 0 [ 682.907968] ? kasan_check_read+0x11/0x20 [ 682.911213] 0 [ 682.915453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.921560] ? should_fail+0x22d/0xd01 [ 682.923348] Node 0 [ 682.928884] ? rcu_bh_qs+0xc0/0xc0 [ 682.932746] DMA: [ 682.934988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.938505] 1*4kB [ 682.940569] ? __lock_acquire+0x7ec/0x4ec0 [ 682.945658] (U) [ 682.947808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.952021] 0*8kB [ 682.953996] ? __lock_acquire+0x7ec/0x4ec0 [ 682.959081] 0*16kB [ 682.961241] ? should_fail+0x22d/0xd01 [ 682.965444] 1*32kB (U) [ 682.967695] ? rcu_idle_enter+0x4b0/0x4b0 [ 682.971557] 2*64kB [ 682.974162] ? mark_held_locks+0x130/0x130 [ 682.978286] (U) [ 682.980522] ? mark_held_locks+0x130/0x130 [ 682.984734] 1*128kB (U) [ 682.986727] ? mark_held_locks+0xc7/0x130 [ 682.990944] 1*256kB [ 682.993622] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 682.997744] (U) 0*512kB [ 683.000083] ? graph_lock+0x170/0x170 [ 683.005081] 1*1024kB (U) [ 683.007766] ? print_usage_bug+0xc0/0xc0 [ 683.011543] 1*2048kB (M) [ 683.014325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.018362] 3*4096kB [ 683.021121] ? check_preemption_disabled+0x48/0x280 [ 683.026636] (M) [ 683.029050] ? check_preemption_disabled+0x48/0x280 [ 683.034043] = 15908kB [ 683.036029] ? __lock_is_held+0xb5/0x140 [ 683.041012] Node 0 [ 683.043429] __alloc_pages_nodemask+0xa80/0xde0 [ 683.047467] DMA32: [ 683.049705] ? graph_lock+0x170/0x170 [ 683.054354] 3*4kB [ 683.056607] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 683.060376] (M) [ 683.062525] ? graph_lock+0x170/0x170 [ 683.067519] 1*8kB [ 683.069501] ? find_held_lock+0x36/0x1c0 [ 683.073263] (M) 3*16kB [ 683.075431] ? ____cache_alloc_node+0x1c7/0x1e0 [ 683.079466] (UM) [ 683.082054] ? lock_downgrade+0x900/0x900 [ 683.086697] 3*32kB (UM) [ 683.088774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.092892] 4*64kB (M) [ 683.095597] cache_grow_begin+0x91/0x8c0 [ 683.101108] 3*128kB [ 683.103699] ? do_raw_spin_unlock+0xa7/0x330 [ 683.107727] (M) 4*256kB [ 683.110071] fallback_alloc+0x203/0x2e0 [ 683.114453] (UM) [ 683.117136] ____cache_alloc_node+0x1c7/0x1e0 [ 683.121082] 3*512kB [ 683.123157] kmem_cache_alloc_node+0xe3/0x730 [ 683.127624] (M) [ 683.129947] ? ipv6_get_ifaddr+0x42e/0x620 [ 683.134422] 3*1024kB [ 683.136407] __alloc_skb+0x119/0x770 [ 683.140618] (UM) [ 683.143036] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 683.146726] 3*2048kB [ 683.148798] ? skb_scrub_packet+0x490/0x490 [ 683.154048] (UM) [ 683.156468] ? lock_downgrade+0x900/0x900 [ 683.160766] 3*4096kB (M) [ 683.162852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.166965] = 24868kB [ 683.166974] Node 0 [ 683.169738] ? refcount_sub_and_test_checked+0x203/0x310 [ 683.175251] Normal: [ 683.177663] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 683.179882] 871*4kB [ 683.185331] ? addrconf_rs_timer+0x690/0x690 [ 683.187634] (MEH) [ 683.193089] ndisc_alloc_skb+0x144/0x340 [ 683.195388] 470*8kB [ 683.199800] ndisc_send_rs+0x331/0x6e0 [ 683.201931] (MEH) [ 683.205999] addrconf_rs_timer+0x314/0x690 [ 683.208300] 180*16kB [ 683.212185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.214314] (UMEH) [ 683.218562] call_timer_fn+0x272/0x920 [ 683.220940] 61*32kB [ 683.225172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.227883] (UME) 19*64kB [ 683.231794] ? process_timeout+0x40/0x40 [ 683.234105] (UMH) [ 683.238338] ? find_held_lock+0x36/0x1c0 [ 683.241165] 0*128kB [ 683.245232] ? mark_held_locks+0xc7/0x130 [ 683.247352] 0*256kB [ 683.251414] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.253718] 0*512kB [ 683.257864] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.260158] 0*1024kB 0*2048kB [ 683.264655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.264673] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 683.266975] 0*4096kB = 13292kB [ 683.271479] ? trace_hardirqs_on+0xbd/0x310 [ 683.274656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 683.278886] ? kasan_check_read+0x11/0x20 [ 683.283452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 683.283461] 238 total pagecache pages [ 683.286668] ? __run_timers+0x7da/0xc70 [ 683.290972] 0 pages in swap cache [ 683.299806] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 683.303939] Swap cache stats: add 0, delete 0, find 0/0 [ 683.312510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.316293] Free swap = 0kB [ 683.320268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.323693] Total swap = 0kB [ 683.323703] 1965979 pages RAM [ 683.329153] __run_timers+0x7e5/0xc70 [ 683.334486] 0 pages HighMem/MovableOnly [ 683.334496] 342306 pages reserved [ 683.338745] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 683.341739] 0 pages cma reserved [ 683.345978] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 683.349075] aoe: skb alloc failure [ 683.352084] ? graph_lock+0x170/0x170 [ 683.355903] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 683.359842] ? print_usage_bug+0xc0/0xc0 [ 683.363278] syz-executor4 cpuset= [ 683.368632] ? enqueue_hrtimer+0x1a5/0x560 [ 683.368649] ? lock_release+0x970/0x970 [ 683.372001] syz4 [ 683.377015] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 683.380539] mems_allowed=0 [ 683.384339] ? find_held_lock+0x36/0x1c0 [ 683.424613] ? graph_lock+0x170/0x170 [ 683.428428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.433976] ? check_preemption_disabled+0x48/0x280 [ 683.439014] ? __lock_is_held+0xb5/0x140 [ 683.443085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.448629] ? check_preemption_disabled+0x48/0x280 [ 683.453664] run_timer_softirq+0x52/0xb0 [ 683.457736] ? rcu_read_lock_sched_held+0x108/0x120 [ 683.462761] __do_softirq+0x30c/0xb03 [ 683.466596] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 683.471716] ? pvclock_read_flags+0x160/0x160 [ 683.476218] ? lapic_next_event+0x5a/0x90 [ 683.480372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.485917] ? check_preemption_disabled+0x48/0x280 [ 683.490937] ? check_preemption_disabled+0x48/0x280 [ 683.495968] ? kvm_clock_read+0x18/0x30 [ 683.499947] ? kvm_sched_clock_read+0x9/0x20 [ 683.504362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.509905] ? check_preemption_disabled+0x48/0x280 [ 683.514944] irq_exit+0x17f/0x1c0 [ 683.518410] smp_apic_timer_interrupt+0x1cb/0x760 [ 683.523256] ? smp_reschedule_interrupt+0x109/0x650 [ 683.528281] ? smp_call_function_single_interrupt+0x650/0x650 [ 683.534175] ? interrupt_entry+0xb5/0xf0 [ 683.538244] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.543266] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.548292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.553141] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.558163] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.563186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.568729] ? check_preemption_disabled+0x48/0x280 [ 683.573750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.579304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.584160] apic_timer_interrupt+0xf/0x20 [ 683.588391] [ 683.590636] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 683.595834] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 683.614737] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 683.622450] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 683.629721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 683.636990] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 683.644260] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 683.651529] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 683.658850] retint_kernel+0x1b/0x2d [ 683.662581] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 683.667875] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 683.686783] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 683.694500] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 683.701771] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 683.709040] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 683.716309] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 683.723591] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 683.730895] ? arch_local_irq_restore+0x45/0x52 [ 683.735602] dump_stack+0x26a/0x2b6 [ 683.739244] ? dump_stack_print_info.cold.1+0x20/0x20 [ 683.744442] ? mark_held_locks+0x130/0x130 [ 683.748684] ? mark_held_locks+0x130/0x130 [ 683.752929] dump_header+0x27b/0xf72 [ 683.757397] ? pagefault_out_of_memory+0x197/0x197 [ 683.762339] ? __lock_acquire+0x7ec/0x4ec0 [ 683.766599] ? print_usage_bug+0xc0/0xc0 [ 683.770678] ? graph_lock+0x170/0x170 [ 683.774478] ? graph_lock+0x170/0x170 [ 683.778283] ? print_usage_bug+0xc0/0xc0 [ 683.782348] ? print_usage_bug+0xc0/0xc0 [ 683.786418] ? print_usage_bug+0xc0/0xc0 [ 683.790495] ? find_held_lock+0x36/0x1c0 [ 683.794570] ? mark_held_locks+0xc7/0x130 [ 683.798746] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 683.803858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 683.808970] ? lockdep_hardirqs_on+0x421/0x5c0 [ 683.813565] ? trace_hardirqs_on+0xbd/0x310 [ 683.817908] ? kasan_check_read+0x11/0x20 [ 683.822062] ? ___ratelimit+0x36f/0x655 [ 683.826043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 683.831502] ? trace_hardirqs_on+0x310/0x310 [ 683.835917] ? lock_downgrade+0x900/0x900 [ 683.840079] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 683.845193] ? ___ratelimit+0xaa/0x655 [ 683.849086] ? idr_get_free+0xec0/0xec0 [ 683.853070] ? kasan_check_write+0x14/0x20 [ 683.857312] ? do_raw_spin_lock+0xc1/0x230 [ 683.861559] oom_kill_process.cold.27+0x10/0x903 [ 683.866332] ? graph_lock+0x170/0x170 [ 683.870140] ? _raw_spin_unlock+0x2c/0x50 [ 683.874290] ? oom_badness+0xe6/0xaa0 [ 683.878102] ? oom_evaluate_task+0x540/0x540 [ 683.882523] ? find_held_lock+0x36/0x1c0 [ 683.886615] ? out_of_memory+0x974/0x1430 [ 683.890774] ? lock_downgrade+0x900/0x900 [ 683.894932] ? check_preemption_disabled+0x48/0x280 [ 683.899964] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 683.905768] ? kasan_check_read+0x11/0x20 [ 683.909924] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 683.915206] ? rcu_bh_qs+0xc0/0xc0 [ 683.918757] ? kasan_check_write+0x14/0x20 [ 683.922992] ? oom_evaluate_task+0x302/0x540 [ 683.927411] out_of_memory+0xa84/0x1430 [ 683.931405] ? oom_killer_disable+0x3a0/0x3a0 [ 683.935911] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 683.940851] ? __mutex_add_waiter+0x2a0/0x2a0 [ 683.945365] __alloc_pages_slowpath+0x230f/0x2d70 [ 683.950251] ? warn_alloc+0x120/0x120 [ 683.954058] ? __radix_tree_lookup+0x4c0/0x4c0 [ 683.958659] ? find_get_entry+0x2f2/0xc40 [ 683.962822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.968368] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 683.973302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.978844] ? should_fail+0x22d/0xd01 [ 683.982747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 683.987861] ? __lock_is_held+0xb5/0x140 [ 683.991962] ? __lock_is_held+0xb5/0x140 [ 683.996045] ? find_held_lock+0x36/0x1c0 [ 684.000123] ? ___might_sleep+0x1ed/0x300 [ 684.004275] ? lock_release+0x970/0x970 [ 684.008258] ? arch_local_save_flags+0x40/0x40 [ 684.013469] ? __might_sleep+0x95/0x190 [ 684.017454] __alloc_pages_nodemask+0xa80/0xde0 [ 684.022141] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 684.027169] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 684.032972] ? kasan_check_read+0x11/0x20 [ 684.037130] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 684.042416] ? graph_lock+0x170/0x170 [ 684.046224] ? print_usage_bug+0xc0/0xc0 [ 684.050292] ? graph_lock+0x170/0x170 [ 684.054098] ? graph_lock+0x170/0x170 [ 684.057904] ? __do_page_cache_readahead+0x7ce/0x980 [ 684.063021] ? find_held_lock+0x36/0x1c0 [ 684.067094] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 684.074034] alloc_pages_current+0x10c/0x210 [ 684.078446] ? lock_downgrade+0x900/0x900 [ 684.082624] __page_cache_alloc+0x38f/0x5b0 [ 684.086953] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 684.092758] ? kasan_check_read+0x11/0x20 [ 684.096913] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 684.102200] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 684.106882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.112429] ? check_preemption_disabled+0x48/0x280 [ 684.117479] filemap_fault+0x1594/0x25f0 [ 684.121843] ? __lock_page_or_retry+0xa00/0xa00 [ 684.126521] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 684.132324] ? kasan_check_read+0x11/0x20 [ 684.136481] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 684.141764] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.146875] ? rcu_bh_qs+0xc0/0xc0 [ 684.150424] ? trace_hardirqs_on+0xbd/0x310 [ 684.154751] ? kasan_check_read+0x11/0x20 [ 684.158911] ? __free_object+0x173/0x340 [ 684.162991] ? filemap_map_pages+0xdea/0x1980 [ 684.167507] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 684.172627] ? __free_object+0x173/0x340 [ 684.176697] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 684.181978] ? debug_object_free+0x325/0x690 [ 684.186399] ? find_get_pages_range_tag+0x1320/0x1320 [ 684.191614] ? graph_lock+0x170/0x170 [ 684.195439] ? kasan_check_read+0x11/0x20 [ 684.199618] ? debug_object_destroy+0x2b0/0x2b0 [ 684.204309] ? lock_acquire+0x1ed/0x520 [ 684.208291] ? ext4_filemap_fault+0x7a/0xad [ 684.212630] ? lock_release+0x970/0x970 [ 684.216622] ? arch_local_save_flags+0x40/0x40 [ 684.221219] ? futex_wait_setup+0x3e0/0x3e0 [ 684.225569] ? down_read+0xb0/0x1d0 [ 684.229224] ? ext4_filemap_fault+0x7a/0xad [ 684.233555] ? __down_interruptible+0x700/0x700 [ 684.238265] ext4_filemap_fault+0x82/0xad [ 684.242424] __do_fault+0x100/0x6b0 [ 684.246065] ? print_bad_pte+0x6c0/0x6c0 [ 684.250137] ? do_futex+0x249/0x26d0 [ 684.253861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.259409] ? check_preemption_disabled+0x48/0x280 [ 684.264442] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 684.269213] ? pmd_val+0x88/0x100 [ 684.272676] ? add_mm_counter_fast+0xd0/0xd0 [ 684.277090] ? pmd_val+0x88/0x100 [ 684.280556] ? add_mm_counter_fast+0xd0/0xd0 [ 684.284996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.290549] __handle_mm_fault+0x3709/0x53e0 [ 684.294983] ? debug_smp_processor_id+0x1c/0x20 [ 684.299689] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 684.304543] ? graph_lock+0x170/0x170 [ 684.308366] ? print_usage_bug+0xc0/0xc0 [ 684.312435] ? should_fail+0xaf/0xd01 [ 684.316251] ? graph_lock+0x170/0x170 [ 684.320065] ? graph_lock+0x170/0x170 [ 684.323902] ? handle_mm_fault+0x42a/0xc70 [ 684.328155] ? lock_downgrade+0x900/0x900 [ 684.332309] ? check_preemption_disabled+0x48/0x280 [ 684.337357] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 684.343176] ? kasan_check_read+0x11/0x20 [ 684.347348] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 684.352642] ? rcu_bh_qs+0xc0/0xc0 [ 684.356191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 684.361663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.367216] ? check_preemption_disabled+0x48/0x280 [ 684.372255] handle_mm_fault+0x54f/0xc70 [ 684.376358] ? __handle_mm_fault+0x53e0/0x53e0 [ 684.380959] ? find_vma+0x34/0x190 [ 684.384517] __do_page_fault+0x67d/0xed0 [ 684.388614] ? mm_fault_error+0x380/0x380 [ 684.392774] ? trace_hardirqs_off+0xb8/0x310 [ 684.397199] ? trace_hardirqs_on+0x310/0x310 [ 684.401630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 684.407004] ? trace_hardirqs_on+0x310/0x310 [ 684.411429] do_page_fault+0xf2/0x7e0 [ 684.415237] ? vmalloc_sync_all+0x30/0x30 [ 684.419391] ? error_entry+0x70/0xd0 [ 684.423111] ? trace_hardirqs_off_caller+0xbb/0x310 [ 684.428135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 684.433073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 684.438007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.442877] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.447897] ? trace_hardirqs_off+0x310/0x310 [ 684.452402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 684.457420] ? page_fault+0x8/0x30 [ 684.460970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.465819] ? page_fault+0x8/0x30 [ 684.469364] page_fault+0x1e/0x30 [ 684.472818] RIP: 0033:0x45ddf3 [ 684.476025] Code: Bad RIP value. [ 684.479392] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 684.484761] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 684.492034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 684.499304] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 684.506584] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 684.513867] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 684.521176] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 684.521306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 684.528466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.528472] Call Trace: [ 684.528480] [ 684.528503] dump_stack+0x1c4/0x2b6 [ 684.528523] ? dump_stack_print_info.cold.1+0x20/0x20 [ 684.535068] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 684.544371] warn_alloc.cold.119+0xb7/0x1bd [ 684.546925] syz-fuzzer cpuset= [ 684.549079] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 684.552699] / [ 684.557890] ? lock_downgrade+0x900/0x900 [ 684.568094] mems_allowed=0 [ 684.589210] ? trace_hardirqs_off+0xb8/0x310 [ 684.593645] ? trace_hardirqs_off+0xb8/0x310 [ 684.598099] __alloc_pages_slowpath+0x265e/0x2d70 [ 684.602984] ? warn_alloc+0x120/0x120 [ 684.606800] ? warn_alloc+0x120/0x120 [ 684.610614] ? print_usage_bug+0xc0/0xc0 [ 684.614684] ? warn_alloc+0x120/0x120 [ 684.618495] ? print_usage_bug+0xc0/0xc0 [ 684.622569] ? mark_held_locks+0x130/0x130 [ 684.626827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.632374] ? should_fail+0x22d/0xd01 [ 684.636278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.641392] ? __lock_acquire+0x7ec/0x4ec0 [ 684.645640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.650751] ? __lock_acquire+0x7ec/0x4ec0 [ 684.654989] ? should_fail+0x22d/0xd01 [ 684.658899] ? mark_held_locks+0x130/0x130 [ 684.663145] ? mark_held_locks+0x130/0x130 [ 684.667388] ? lock_downgrade+0x900/0x900 [ 684.671545] ? graph_lock+0x170/0x170 [ 684.675360] ? graph_lock+0x170/0x170 [ 684.679184] ? graph_lock+0x170/0x170 [ 684.682994] ? print_usage_bug+0xc0/0xc0 [ 684.687062] ? do_raw_spin_unlock+0xa7/0x330 [ 684.691482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.697033] ? check_preemption_disabled+0x48/0x280 [ 684.702057] ? check_preemption_disabled+0x48/0x280 [ 684.707106] ? __lock_is_held+0xb5/0x140 [ 684.711187] __alloc_pages_nodemask+0xa80/0xde0 [ 684.715863] ? graph_lock+0x170/0x170 [ 684.719675] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 684.724693] ? graph_lock+0x170/0x170 [ 684.728511] ? find_held_lock+0x36/0x1c0 [ 684.732601] ? ____cache_alloc_node+0x1c7/0x1e0 [ 684.737278] ? lock_downgrade+0x900/0x900 [ 684.741449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.747000] cache_grow_begin+0x91/0x8c0 [ 684.751071] ? do_raw_spin_unlock+0xa7/0x330 [ 684.755502] fallback_alloc+0x203/0x2e0 [ 684.759493] ____cache_alloc_node+0x1c7/0x1e0 [ 684.764008] kmem_cache_alloc_node+0xe3/0x730 [ 684.768511] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.773623] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 684.778242] __alloc_skb+0x119/0x770 [ 684.781965] ? calc_wheel_index+0x220/0x220 [ 684.786298] ? skb_scrub_packet+0x490/0x490 [ 684.790639] ? vprintk_default+0x28/0x30 [ 684.794711] ? vprintk_func+0x85/0x181 [ 684.798619] ? printk+0xa7/0xcf [ 684.801912] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 684.806692] new_skb+0x26/0x1c0 [ 684.809986] aoecmd_cfg+0x279/0x7f0 [ 684.813636] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 684.817975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.823521] ? check_preemption_disabled+0x48/0x280 [ 684.828543] ? check_preemption_disabled+0x48/0x280 [ 684.833596] ? __lock_is_held+0xb5/0x140 [ 684.837684] discover_timer+0x50/0x60 [ 684.841496] call_timer_fn+0x272/0x920 [ 684.845395] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 684.850247] ? process_timeout+0x40/0x40 [ 684.854312] ? find_held_lock+0x36/0x1c0 [ 684.858392] ? __run_timers+0x7da/0xc70 [ 684.862383] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.866889] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.871391] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 684.876243] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 684.880835] ? trace_hardirqs_on+0xbd/0x310 [ 684.885163] ? kasan_check_read+0x11/0x20 [ 684.889316] ? __run_timers+0x7da/0xc70 [ 684.893300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 684.898775] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 684.903629] __run_timers+0x7e5/0xc70 [ 684.907451] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 684.912826] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.917851] ? graph_lock+0x170/0x170 [ 684.921686] ? enqueue_hrtimer+0x1a5/0x560 [ 684.925926] ? lock_release+0x970/0x970 [ 684.929907] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 684.935117] ? find_held_lock+0x36/0x1c0 [ 684.939191] ? graph_lock+0x170/0x170 [ 684.943001] ? pvclock_read_flags+0x160/0x160 [ 684.947520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.953074] ? check_preemption_disabled+0x48/0x280 [ 684.958127] ? __lock_is_held+0xb5/0x140 [ 684.962200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.967749] ? check_preemption_disabled+0x48/0x280 [ 684.972786] run_timer_softirq+0x52/0xb0 [ 684.976862] ? rcu_read_lock_sched_held+0x108/0x120 [ 684.981886] __do_softirq+0x30c/0xb03 [ 684.985707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 684.990825] ? pvclock_read_flags+0x160/0x160 [ 684.995333] ? lapic_next_event+0x5a/0x90 [ 684.999493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.005052] ? check_preemption_disabled+0x48/0x280 [ 685.010101] ? check_preemption_disabled+0x48/0x280 [ 685.015137] ? kvm_clock_read+0x18/0x30 [ 685.019122] ? kvm_sched_clock_read+0x9/0x20 [ 685.023541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.029359] ? check_preemption_disabled+0x48/0x280 [ 685.034398] irq_exit+0x17f/0x1c0 [ 685.037858] smp_apic_timer_interrupt+0x1cb/0x760 [ 685.042706] ? smp_reschedule_interrupt+0x109/0x650 [ 685.047732] ? smp_call_function_single_interrupt+0x650/0x650 [ 685.053626] ? interrupt_entry+0xb5/0xf0 [ 685.057699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.062723] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.067757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.072618] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.077640] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.082662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.088208] ? check_preemption_disabled+0x48/0x280 [ 685.093230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.098787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.103651] apic_timer_interrupt+0xf/0x20 [ 685.107995] [ 685.110242] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 685.115182] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 685.134104] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 685.141824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 685.149102] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 685.156374] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 685.163645] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 685.170914] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 685.178246] skb_clone+0x1bb/0x500 [ 685.181798] ? skb_split+0x11e0/0x11e0 [ 685.185707] ? preempt_notifier_register+0x200/0x200 [ 685.190819] ? __switch_to_asm+0x34/0x70 [ 685.194893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 685.199671] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 685.204440] bpf_clone_redirect+0xb9/0x490 [ 685.208696] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 685.213755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 685.218525] ? find_held_lock+0x36/0x1c0 [ 685.222608] ? lock_acquire+0x1ed/0x520 [ 685.226600] ? bpf_test_run+0x3cb/0x780 [ 685.231116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.236668] ? check_preemption_disabled+0x48/0x280 [ 685.241701] ? kasan_check_read+0x11/0x20 [ 685.245856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 685.251138] ? rcu_bh_qs+0xc0/0xc0 [ 685.254693] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 685.259898] ? bpf_test_run+0x25d/0x780 [ 685.263895] ? netlink_diag_dump+0x2a0/0x2a0 [ 685.268311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.273855] ? bpf_test_init.isra.10+0x70/0x100 [ 685.278538] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 685.283317] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 685.288161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 685.293705] ? fput+0x130/0x1a0 [ 685.296994] ? __bpf_prog_get+0x9b/0x290 [ 685.301066] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 685.305920] ? bpf_prog_test_run+0x130/0x1a0 [ 685.310343] ? __x64_sys_bpf+0x3d8/0x520 [ 685.314410] ? bpf_prog_get+0x20/0x20 [ 685.318245] ? do_syscall_64+0x1b9/0x820 [ 685.322314] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 685.327685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 685.332635] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.337659] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 685.342685] ? recalc_sigpending_tsk+0x180/0x180 [ 685.347447] ? kasan_check_write+0x14/0x20 [ 685.351700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.356557] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 685.361961] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 685.361967] warn_alloc_show_mem: 1 callbacks suppressed [ 685.361975] Mem-Info: [ 685.369002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.374376] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 685.374376] active_file:13 inactive_file:34 isolated_file:0 [ 685.374376] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.374376] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 685.374376] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 685.374376] free:13625 free_pcp:139 free_cma:0 [ 685.376753] Call Trace: [ 685.386145] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 685.418991] [ 685.421567] Node 0 [ 685.449170] dump_stack+0x1c4/0x2b6 [ 685.451328] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 685.453541] ? dump_stack_print_info.cold.1+0x20/0x20 [ 685.457147] lowmem_reserve[]: [ 685.482666] warn_alloc.cold.119+0xb7/0x1bd [ 685.487821] 0 2819 [ 685.490940] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 685.495241] 6323 [ 685.497484] ? lock_downgrade+0x900/0x900 [ 685.502308] 6323 [ 685.504377] ? trace_hardirqs_off+0xb8/0x310 [ 685.508503] Node 0 [ 685.510572] ? trace_hardirqs_off+0xb8/0x310 [ 685.515000] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 685.517221] __alloc_pages_slowpath+0x265e/0x2d70 [ 685.521606] lowmem_reserve[]: [ 685.548788] ? warn_alloc+0x120/0x120 [ 685.553584] 0 0 [ 685.556713] ? warn_alloc+0x120/0x120 [ 685.560485] 3503 3503 [ 685.562471] ? print_usage_bug+0xc0/0xc0 [ 685.566255] Node 0 [ 685.568751] ? warn_alloc+0x120/0x120 [ 685.572821] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 685.575061] ? print_usage_bug+0xc0/0xc0 [ 685.578834] lowmem_reserve[]: 0 [ 685.607212] ? __lock_acquire+0x7ec/0x4ec0 [ 685.611250] 0 0 [ 685.614540] ? __lock_acquire+0x7ec/0x4ec0 [ 685.618747] 0 [ 685.620735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.624950] Node 0 [ 685.626752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.632270] DMA: 1*4kB [ 685.634522] ? should_fail+0x22d/0xd01 [ 685.640042] (U) [ 685.642633] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.646493] 0*8kB 0*16kB [ 685.648483] ? __lock_acquire+0x7ec/0x4ec0 [ 685.653568] 1*32kB [ 685.656341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.660553] (U) [ 685.662806] ? __lock_acquire+0x7ec/0x4ec0 [ 685.667893] 2*64kB [ 685.669869] ? should_fail+0x22d/0xd01 [ 685.674083] (U) [ 685.676326] ? mark_held_locks+0x130/0x130 [ 685.680188] 1*128kB [ 685.682167] ? mark_held_locks+0x130/0x130 [ 685.686380] (U) [ 685.688702] ? graph_lock+0x170/0x170 [ 685.692923] 1*256kB [ 685.694896] ? print_usage_bug+0xc0/0xc0 [ 685.698674] (U) [ 685.700995] ? graph_lock+0x170/0x170 [ 685.705031] 0*512kB 1*1024kB [ 685.707016] ? print_usage_bug+0xc0/0xc0 [ 685.710796] (U) [ 685.713902] ? wq_watchdog_touch+0x9c/0xfe [ 685.717945] 1*2048kB [ 685.719930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.724143] (M) [ 685.726556] ? check_preemption_disabled+0x48/0x280 [ 685.732076] 3*4096kB [ 685.734054] ? check_preemption_disabled+0x48/0x280 [ 685.739046] (M) [ 685.741465] ? __lock_is_held+0xb5/0x140 [ 685.746452] = 15908kB [ 685.748432] __alloc_pages_nodemask+0xa80/0xde0 [ 685.752470] Node 0 [ 685.754879] ? graph_lock+0x170/0x170 [ 685.759526] DMA32: [ 685.761762] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 685.765543] 3*4kB [ 685.767781] ? graph_lock+0x170/0x170 [ 685.772777] (M) [ 685.775627] ? find_held_lock+0x36/0x1c0 [ 685.779402] 1*8kB (M) [ 685.781402] ? ____cache_alloc_node+0x1c7/0x1e0 [ 685.785442] 3*16kB [ 685.787936] ? lock_downgrade+0x900/0x900 [ 685.792599] (UM) [ 685.794852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.798968] 3*32kB (UM) [ 685.801045] cache_grow_begin+0x91/0x8c0 [ 685.806562] 4*64kB [ 685.809249] ? do_raw_spin_unlock+0xa7/0x330 [ 685.813285] (M) [ 685.816517] fallback_alloc+0x203/0x2e0 [ 685.820903] 3*128kB [ 685.822883] ____cache_alloc_node+0x1c7/0x1e0 [ 685.826832] (M) [ 685.829159] kmem_cache_alloc_node+0xe3/0x730 [ 685.833631] 4*256kB (UM) [ 685.835625] ? ipv6_get_ifaddr+0x42e/0x620 [ 685.840104] 3*512kB (M) [ 685.842881] __alloc_skb+0x119/0x770 [ 685.847084] 3*1024kB (UM) [ 685.849767] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 685.853452] 3*2048kB (UM) [ 685.856311] ? skb_scrub_packet+0x490/0x490 [ 685.861568] 3*4096kB [ 685.864421] ? lock_downgrade+0x900/0x900 [ 685.868726] (M) [ 685.871144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.875267] = 24868kB [ 685.877245] ? refcount_sub_and_test_checked+0x203/0x310 [ 685.882760] Node 0 [ 685.885172] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 685.890606] Normal: [ 685.892843] ? addrconf_rs_timer+0x690/0x690 [ 685.898276] 871*4kB [ 685.900625] ndisc_alloc_skb+0x144/0x340 [ 685.905009] (MEH) [ 685.907336] ndisc_send_rs+0x331/0x6e0 [ 685.911374] 470*8kB (MEH) [ 685.913539] addrconf_rs_timer+0x314/0x690 [ 685.917409] 180*16kB [ 685.920253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.924469] (UMEH) [ 685.926892] call_timer_fn+0x272/0x920 [ 685.931095] 61*32kB (UME) [ 685.933345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.937205] 19*64kB (UMH) [ 685.940059] ? process_timeout+0x40/0x40 [ 685.944272] 0*128kB 0*256kB [ 685.947138] ? find_held_lock+0x36/0x1c0 [ 685.951179] 0*512kB [ 685.954205] ? mark_held_locks+0xc7/0x130 [ 685.958236] 0*1024kB 0*2048kB [ 685.960571] ? _raw_spin_unlock_irq+0x27/0x80 [ 685.964708] 0*4096kB [ 685.967898] ? _raw_spin_unlock_irq+0x27/0x80 [ 685.972365] = 13292kB [ 685.972380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 685.974789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.979275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 685.981680] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 685.990500] 238 total pagecache pages [ 685.994743] ? trace_hardirqs_on+0xbd/0x310 [ 686.003306] 0 pages in swap cache [ 686.007884] ? kasan_check_read+0x11/0x20 [ 686.007903] ? __run_timers+0x7da/0xc70 [ 686.011694] Swap cache stats: add 0, delete 0, find 0/0 [ 686.016013] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 686.019451] Free swap = 0kB [ 686.023609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.027557] Total swap = 0kB [ 686.027567] 1965979 pages RAM [ 686.032951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.038377] 0 pages HighMem/MovableOnly [ 686.038387] 342306 pages reserved [ 686.041407] __run_timers+0x7e5/0xc70 [ 686.045624] 0 pages cma reserved [ 686.048653] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 686.051835] aoe: skb alloc failure [ 686.055966] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 686.060019] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 686.063377] ? graph_lock+0x170/0x170 [ 686.067163] syz-executor4 cpuset= [ 686.070529] ? print_usage_bug+0xc0/0xc0 [ 686.075876] syz4 [ 686.079408] ? enqueue_hrtimer+0x1a5/0x560 [ 686.079426] ? lock_release+0x970/0x970 [ 686.084433] mems_allowed=0 [ 686.094915] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 686.124989] ? find_held_lock+0x36/0x1c0 [ 686.129060] ? graph_lock+0x170/0x170 [ 686.132875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.138424] ? check_preemption_disabled+0x48/0x280 [ 686.143461] ? __lock_is_held+0xb5/0x140 [ 686.147527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.153071] ? check_preemption_disabled+0x48/0x280 [ 686.158106] run_timer_softirq+0x52/0xb0 [ 686.162178] ? rcu_read_lock_sched_held+0x108/0x120 [ 686.167203] __do_softirq+0x30c/0xb03 [ 686.171025] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 686.176144] ? pvclock_read_flags+0x160/0x160 [ 686.180647] ? lapic_next_event+0x5a/0x90 [ 686.184804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.190354] ? check_preemption_disabled+0x48/0x280 [ 686.195378] ? check_preemption_disabled+0x48/0x280 [ 686.200415] ? kvm_clock_read+0x18/0x30 [ 686.204399] ? kvm_sched_clock_read+0x9/0x20 [ 686.208818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.214365] ? check_preemption_disabled+0x48/0x280 [ 686.219402] irq_exit+0x17f/0x1c0 [ 686.222873] smp_apic_timer_interrupt+0x1cb/0x760 [ 686.227717] ? smp_reschedule_interrupt+0x109/0x650 [ 686.232743] ? smp_call_function_single_interrupt+0x650/0x650 [ 686.238642] ? interrupt_entry+0xb5/0xf0 [ 686.242715] ? trace_hardirqs_off_caller+0xbb/0x310 [ 686.247736] ? trace_hardirqs_off_caller+0xbb/0x310 [ 686.252757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.257617] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.262635] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.267661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.273208] ? check_preemption_disabled+0x48/0x280 [ 686.278227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.283779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.288639] apic_timer_interrupt+0xf/0x20 [ 686.292873] [ 686.295116] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 686.300314] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 686.319218] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 686.326939] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 686.334213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 686.341484] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 686.348758] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 686.356028] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 686.363349] retint_kernel+0x1b/0x2d [ 686.367073] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 686.372356] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 686.391260] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 686.398974] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 686.406246] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 686.413515] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 686.420788] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 686.428058] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 686.435357] ? arch_local_irq_restore+0x45/0x52 [ 686.440042] dump_stack+0x26a/0x2b6 [ 686.443686] ? dump_stack_print_info.cold.1+0x20/0x20 [ 686.448892] ? mark_held_locks+0x130/0x130 [ 686.453130] ? mark_held_locks+0x130/0x130 [ 686.457377] dump_header+0x27b/0xf72 [ 686.461115] ? pagefault_out_of_memory+0x197/0x197 [ 686.466057] ? __lock_acquire+0x7ec/0x4ec0 [ 686.470301] ? print_usage_bug+0xc0/0xc0 [ 686.474375] ? graph_lock+0x170/0x170 [ 686.478180] ? graph_lock+0x170/0x170 [ 686.481984] ? print_usage_bug+0xc0/0xc0 [ 686.486045] ? print_usage_bug+0xc0/0xc0 [ 686.490114] ? print_usage_bug+0xc0/0xc0 [ 686.494195] ? find_held_lock+0x36/0x1c0 [ 686.498272] ? mark_held_locks+0xc7/0x130 [ 686.502430] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.507539] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.512662] ? lockdep_hardirqs_on+0x421/0x5c0 [ 686.517257] ? trace_hardirqs_on+0xbd/0x310 [ 686.521599] ? kasan_check_read+0x11/0x20 [ 686.525761] ? ___ratelimit+0x36f/0x655 [ 686.529742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 686.535198] ? trace_hardirqs_on+0x310/0x310 [ 686.539618] ? lock_downgrade+0x900/0x900 [ 686.543781] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 686.548887] ? ___ratelimit+0xaa/0x655 [ 686.552780] ? idr_get_free+0xec0/0xec0 [ 686.556763] ? kasan_check_write+0x14/0x20 [ 686.561005] ? do_raw_spin_lock+0xc1/0x230 [ 686.565255] oom_kill_process.cold.27+0x10/0x903 [ 686.570016] ? graph_lock+0x170/0x170 [ 686.573824] ? _raw_spin_unlock+0x2c/0x50 [ 686.577979] ? oom_badness+0xe6/0xaa0 [ 686.581797] ? oom_evaluate_task+0x540/0x540 [ 686.586218] ? find_held_lock+0x36/0x1c0 [ 686.590292] ? out_of_memory+0x974/0x1430 [ 686.594445] ? lock_downgrade+0x900/0x900 [ 686.598610] ? check_preemption_disabled+0x48/0x280 [ 686.603661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 686.609465] ? kasan_check_read+0x11/0x20 [ 686.613629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 686.618914] ? rcu_bh_qs+0xc0/0xc0 [ 686.622477] ? kasan_check_write+0x14/0x20 [ 686.626717] ? oom_evaluate_task+0x302/0x540 [ 686.631134] out_of_memory+0xa84/0x1430 [ 686.635124] ? oom_killer_disable+0x3a0/0x3a0 [ 686.639631] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 686.644572] ? __mutex_add_waiter+0x2a0/0x2a0 [ 686.649112] __alloc_pages_slowpath+0x230f/0x2d70 [ 686.653998] ? warn_alloc+0x120/0x120 [ 686.657804] ? __radix_tree_lookup+0x4c0/0x4c0 [ 686.662405] ? find_get_entry+0x2f2/0xc40 [ 686.666583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.672133] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 686.677069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.682622] ? should_fail+0x22d/0xd01 [ 686.686520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.691631] ? __lock_is_held+0xb5/0x140 [ 686.695729] ? __lock_is_held+0xb5/0x140 [ 686.699806] ? find_held_lock+0x36/0x1c0 [ 686.703876] ? ___might_sleep+0x1ed/0x300 [ 686.708029] ? lock_release+0x970/0x970 [ 686.712008] ? arch_local_save_flags+0x40/0x40 [ 686.716622] ? __might_sleep+0x95/0x190 [ 686.720632] __alloc_pages_nodemask+0xa80/0xde0 [ 686.725319] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 686.730345] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 686.736151] ? kasan_check_read+0x11/0x20 [ 686.740305] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 686.745613] ? graph_lock+0x170/0x170 [ 686.749420] ? print_usage_bug+0xc0/0xc0 [ 686.753491] ? graph_lock+0x170/0x170 [ 686.757293] ? graph_lock+0x170/0x170 [ 686.761101] ? __do_page_cache_readahead+0x7ce/0x980 [ 686.766218] ? find_held_lock+0x36/0x1c0 [ 686.770293] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 686.776533] alloc_pages_current+0x10c/0x210 [ 686.784341] ? lock_downgrade+0x900/0x900 [ 686.790309] __page_cache_alloc+0x38f/0x5b0 [ 686.794643] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 686.800449] ? kasan_check_read+0x11/0x20 [ 686.804618] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 686.809912] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 686.814605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.820151] ? check_preemption_disabled+0x48/0x280 [ 686.825183] filemap_fault+0x1594/0x25f0 [ 686.829266] ? __lock_page_or_retry+0xa00/0xa00 [ 686.833940] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 686.840206] ? kasan_check_read+0x11/0x20 [ 686.844363] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 686.849648] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.854761] ? rcu_bh_qs+0xc0/0xc0 [ 686.858313] ? trace_hardirqs_on+0xbd/0x310 [ 686.862646] ? kasan_check_read+0x11/0x20 [ 686.866805] ? __free_object+0x173/0x340 [ 686.870878] ? filemap_map_pages+0xdea/0x1980 [ 686.875389] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 686.880499] ? __free_object+0x173/0x340 [ 686.884571] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 686.889870] ? debug_object_free+0x325/0x690 [ 686.894291] ? find_get_pages_range_tag+0x1320/0x1320 [ 686.899492] ? graph_lock+0x170/0x170 [ 686.903309] ? kasan_check_read+0x11/0x20 [ 686.907468] ? debug_object_destroy+0x2b0/0x2b0 [ 686.912157] ? lock_acquire+0x1ed/0x520 [ 686.916135] ? ext4_filemap_fault+0x7a/0xad [ 686.920466] ? lock_release+0x970/0x970 [ 686.924447] ? arch_local_save_flags+0x40/0x40 [ 686.929043] ? futex_wait_setup+0x3e0/0x3e0 [ 686.933386] ? down_read+0xb0/0x1d0 [ 686.937017] ? ext4_filemap_fault+0x7a/0xad [ 686.941352] ? __down_interruptible+0x700/0x700 [ 686.946047] ext4_filemap_fault+0x82/0xad [ 686.950204] __do_fault+0x100/0x6b0 [ 686.953840] ? print_bad_pte+0x6c0/0x6c0 [ 686.957912] ? do_futex+0x249/0x26d0 [ 686.961637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.967182] ? check_preemption_disabled+0x48/0x280 [ 686.972204] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 686.976965] ? pmd_val+0x88/0x100 [ 686.980423] ? add_mm_counter_fast+0xd0/0xd0 [ 686.984834] ? pmd_val+0x88/0x100 [ 686.988294] ? add_mm_counter_fast+0xd0/0xd0 [ 686.992718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.998265] __handle_mm_fault+0x3709/0x53e0 [ 687.002683] ? debug_smp_processor_id+0x1c/0x20 [ 687.007372] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 687.012227] ? graph_lock+0x170/0x170 [ 687.016039] ? print_usage_bug+0xc0/0xc0 [ 687.020110] ? should_fail+0xaf/0xd01 [ 687.023925] ? graph_lock+0x170/0x170 [ 687.027732] ? graph_lock+0x170/0x170 [ 687.031561] ? handle_mm_fault+0x42a/0xc70 [ 687.035819] ? lock_downgrade+0x900/0x900 [ 687.039972] ? check_preemption_disabled+0x48/0x280 [ 687.045010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 687.050825] ? kasan_check_read+0x11/0x20 [ 687.054983] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 687.060268] ? rcu_bh_qs+0xc0/0xc0 [ 687.063813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 687.069272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.074816] ? check_preemption_disabled+0x48/0x280 [ 687.079849] handle_mm_fault+0x54f/0xc70 [ 687.083926] ? __handle_mm_fault+0x53e0/0x53e0 [ 687.088521] ? find_vma+0x34/0x190 [ 687.092074] __do_page_fault+0x67d/0xed0 [ 687.096155] ? mm_fault_error+0x380/0x380 [ 687.100307] ? trace_hardirqs_off+0xb8/0x310 [ 687.104718] ? trace_hardirqs_on+0x310/0x310 [ 687.109133] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 687.114503] ? trace_hardirqs_on+0x310/0x310 [ 687.119427] do_page_fault+0xf2/0x7e0 [ 687.123234] ? vmalloc_sync_all+0x30/0x30 [ 687.127386] ? error_entry+0x70/0xd0 [ 687.131107] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.136126] ? trace_hardirqs_on_caller+0xc0/0x310 [ 687.141056] ? syscall_return_slowpath+0x5e0/0x5e0 [ 687.146000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.150846] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.155863] ? trace_hardirqs_off+0x310/0x310 [ 687.160368] ? prepare_exit_to_usermode+0x291/0x3b0 [ 687.165391] ? page_fault+0x8/0x30 [ 687.168936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.173786] ? page_fault+0x8/0x30 [ 687.177329] page_fault+0x1e/0x30 [ 687.180781] RIP: 0033:0x45ddf3 [ 687.183980] Code: Bad RIP value. [ 687.187340] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 687.192704] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 687.200413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 687.207684] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 687.214955] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 687.222224] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 687.229663] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 687.229750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 687.236949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 687.236960] Call Trace: [ 687.243711] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 687.252806] [ 687.255389] syz-fuzzer cpuset= [ 687.265640] dump_stack+0x1c4/0x2b6 [ 687.267766] / [ 687.270965] ? dump_stack_print_info.cold.1+0x20/0x20 [ 687.274573] mems_allowed=0 [ 687.276311] warn_alloc.cold.119+0xb7/0x1bd [ 687.288727] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 687.293590] ? lock_downgrade+0x900/0x900 [ 687.297755] ? trace_hardirqs_off+0xb8/0x310 [ 687.302181] ? trace_hardirqs_off+0xb8/0x310 [ 687.306618] __alloc_pages_slowpath+0x265e/0x2d70 [ 687.311495] ? pvclock_read_flags+0x160/0x160 [ 687.316014] ? warn_alloc+0x120/0x120 [ 687.319829] ? kvm_clock_read+0x18/0x30 [ 687.323809] ? warn_alloc+0x120/0x120 [ 687.327878] ? print_usage_bug+0xc0/0xc0 [ 687.331950] ? warn_alloc+0x120/0x120 [ 687.335752] ? print_usage_bug+0xc0/0xc0 [ 687.339825] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 687.345114] ? rcu_bh_qs+0xc0/0xc0 [ 687.348671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.354214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.359761] ? should_fail+0x22d/0xd01 [ 687.363658] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 687.368772] ? __lock_acquire+0x7ec/0x4ec0 [ 687.373013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 687.378125] ? __lock_acquire+0x7ec/0x4ec0 [ 687.382359] ? should_fail+0x22d/0xd01 [ 687.386257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.391818] ? mark_held_locks+0x130/0x130 [ 687.396061] ? mark_held_locks+0x130/0x130 [ 687.400312] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.405100] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 687.409694] ? graph_lock+0x170/0x170 [ 687.413511] ? print_usage_bug+0xc0/0xc0 [ 687.417585] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.422355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.427904] ? check_preemption_disabled+0x48/0x280 [ 687.432926] ? check_preemption_disabled+0x48/0x280 [ 687.437963] ? __lock_is_held+0xb5/0x140 [ 687.442064] __alloc_pages_nodemask+0xa80/0xde0 [ 687.446757] ? graph_lock+0x170/0x170 [ 687.450571] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 687.455608] ? graph_lock+0x170/0x170 [ 687.459433] ? find_held_lock+0x36/0x1c0 [ 687.463517] ? ____cache_alloc_node+0x1c7/0x1e0 [ 687.468193] ? lock_downgrade+0x900/0x900 [ 687.472359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.477914] cache_grow_begin+0x91/0x8c0 [ 687.481988] ? do_raw_spin_unlock+0xa7/0x330 [ 687.486413] fallback_alloc+0x203/0x2e0 [ 687.490403] ____cache_alloc_node+0x1c7/0x1e0 [ 687.494910] kmem_cache_alloc_node+0xe3/0x730 [ 687.499409] ? ipv6_get_ifaddr+0x42e/0x620 [ 687.503659] __alloc_skb+0x119/0x770 [ 687.507382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 687.512670] ? skb_scrub_packet+0x490/0x490 [ 687.516998] ? lock_downgrade+0x900/0x900 [ 687.521158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.526705] ? refcount_sub_and_test_checked+0x203/0x310 [ 687.532166] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 687.537627] ? addrconf_rs_timer+0x690/0x690 [ 687.542058] ndisc_alloc_skb+0x144/0x340 [ 687.546136] ndisc_send_rs+0x331/0x6e0 [ 687.550038] addrconf_rs_timer+0x314/0x690 [ 687.554289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.558559] call_timer_fn+0x272/0x920 [ 687.562466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.566713] ? process_timeout+0x40/0x40 [ 687.570777] ? find_held_lock+0x36/0x1c0 [ 687.574853] ? __run_timers+0x7da/0xc70 [ 687.578839] ? _raw_spin_unlock_irq+0x27/0x80 [ 687.583339] ? _raw_spin_unlock_irq+0x27/0x80 [ 687.587840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.592085] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 687.596685] ? trace_hardirqs_on+0xbd/0x310 [ 687.601016] ? kasan_check_read+0x11/0x20 [ 687.605176] ? __run_timers+0x7da/0xc70 [ 687.609163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 687.614639] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 687.619530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 687.623775] __run_timers+0x7e5/0xc70 [ 687.627611] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 687.632992] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 687.638016] ? graph_lock+0x170/0x170 [ 687.641827] ? enqueue_hrtimer+0x1a5/0x560 [ 687.646062] ? lock_release+0x970/0x970 [ 687.650047] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 687.655247] ? find_held_lock+0x36/0x1c0 [ 687.659321] ? graph_lock+0x170/0x170 [ 687.663134] ? pvclock_read_flags+0x160/0x160 [ 687.667637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.673182] ? check_preemption_disabled+0x48/0x280 [ 687.678219] ? __lock_is_held+0xb5/0x140 [ 687.682288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.687833] ? check_preemption_disabled+0x48/0x280 [ 687.692865] run_timer_softirq+0x52/0xb0 [ 687.696928] ? rcu_read_lock_sched_held+0x108/0x120 [ 687.701949] __do_softirq+0x30c/0xb03 [ 687.705769] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 687.710882] ? pvclock_read_flags+0x160/0x160 [ 687.715383] ? lapic_next_event+0x5a/0x90 [ 687.719534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.725080] ? check_preemption_disabled+0x48/0x280 [ 687.730112] ? check_preemption_disabled+0x48/0x280 [ 687.735138] ? kvm_clock_read+0x18/0x30 [ 687.739121] ? kvm_sched_clock_read+0x9/0x20 [ 687.743537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.749079] ? check_preemption_disabled+0x48/0x280 [ 687.754123] irq_exit+0x17f/0x1c0 [ 687.757596] smp_apic_timer_interrupt+0x1cb/0x760 [ 687.762463] ? smp_reschedule_interrupt+0x109/0x650 [ 687.767481] ? smp_call_function_single_interrupt+0x650/0x650 [ 687.773369] ? interrupt_entry+0xb5/0xf0 [ 687.777438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.782457] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.787484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.792333] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.797350] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.802370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.807911] ? check_preemption_disabled+0x48/0x280 [ 687.812932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.818480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.823341] apic_timer_interrupt+0xf/0x20 [ 687.827582] [ 687.829830] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 687.834763] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 687.853662] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 687.861375] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 687.868643] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 687.875913] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 687.883184] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 687.890455] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 687.897777] skb_clone+0x1bb/0x500 [ 687.901326] ? skb_split+0x11e0/0x11e0 [ 687.905225] ? preempt_notifier_register+0x200/0x200 [ 687.910339] ? __switch_to_asm+0x34/0x70 [ 687.914410] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.919174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.923942] bpf_clone_redirect+0xb9/0x490 [ 687.928191] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 687.933230] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.938009] ? find_held_lock+0x36/0x1c0 [ 687.942113] ? lock_acquire+0x1ed/0x520 [ 687.946097] ? bpf_test_run+0x3cb/0x780 [ 687.950080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.955629] ? check_preemption_disabled+0x48/0x280 [ 687.960661] ? kasan_check_read+0x11/0x20 [ 687.964815] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 687.970127] ? rcu_bh_qs+0xc0/0xc0 [ 687.973700] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 687.978906] ? bpf_test_run+0x25d/0x780 [ 687.982901] ? netlink_diag_dump+0x2a0/0x2a0 [ 687.987314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.992857] ? bpf_test_init.isra.10+0x70/0x100 [ 687.997538] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 688.002309] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 688.007158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.012701] ? fput+0x130/0x1a0 [ 688.015997] ? __bpf_prog_get+0x9b/0x290 [ 688.020067] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 688.024918] ? bpf_prog_test_run+0x130/0x1a0 [ 688.029334] ? __x64_sys_bpf+0x3d8/0x520 [ 688.033401] ? bpf_prog_get+0x20/0x20 [ 688.037258] ? do_syscall_64+0x1b9/0x820 [ 688.041328] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 688.046703] ? syscall_return_slowpath+0x5e0/0x5e0 [ 688.051638] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.056660] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 688.061678] ? recalc_sigpending_tsk+0x180/0x180 [ 688.066441] ? kasan_check_write+0x14/0x20 [ 688.070800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.075668] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 688.081061] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 688.081074] warn_alloc_show_mem: 1 callbacks suppressed [ 688.081078] Mem-Info: [ 688.088102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.093489] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 688.093489] active_file:13 inactive_file:34 isolated_file:0 [ 688.093489] unevictable:0 dirty:0 writeback:0 unstable:0 [ 688.093489] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 688.093489] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 688.093489] free:13625 free_pcp:139 free_cma:0 [ 688.095867] Call Trace: [ 688.105260] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 688.138627] [ 688.141222] Node 0 [ 688.168818] dump_stack+0x1c4/0x2b6 [ 688.170972] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 688.173191] ? dump_stack_print_info.cold.1+0x20/0x20 [ 688.176789] lowmem_reserve[]: 0 [ 688.203312] warn_alloc.cold.119+0xb7/0x1bd [ 688.208463] 2819 6323 [ 688.211755] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 688.216043] 6323 [ 688.218553] ? lock_downgrade+0x900/0x900 [ 688.223376] Node 0 [ 688.225446] ? trace_hardirqs_off+0xb8/0x310 [ 688.229605] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 688.231825] ? trace_hardirqs_off+0xb8/0x310 [ 688.236204] lowmem_reserve[]: [ 688.263368] __alloc_pages_slowpath+0x265e/0x2d70 [ 688.267745] 0 [ 688.270880] ? warn_alloc+0x120/0x120 [ 688.275673] 0 [ 688.277479] ? trace_hardirqs_on+0x310/0x310 [ 688.281258] 3503 [ 688.283061] ? warn_alloc+0x120/0x120 [ 688.287450] 3503 [ 688.289517] ? print_usage_bug+0xc0/0xc0 [ 688.293295] Node 0 [ 688.295358] ? warn_alloc+0x120/0x120 [ 688.299429] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 688.301641] ? ktime_get+0x2e1/0x440 [ 688.305413] lowmem_reserve[]: 0 [ 688.333802] ? print_usage_bug+0xc0/0xc0 [ 688.337502] 0 [ 688.340777] ? __lock_acquire+0x7ec/0x4ec0 [ 688.344820] 0 [ 688.346630] ? __lock_acquire+0x7ec/0x4ec0 [ 688.350848] 0 [ 688.352657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.356870] Node 0 [ 688.358679] ? should_fail+0x22d/0xd01 [ 688.364193] DMA: [ 688.366432] ? __lock_acquire+0x7ec/0x4ec0 [ 688.370301] 1*4kB [ 688.372362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.376586] (U) [ 688.378740] ? __lock_acquire+0x7ec/0x4ec0 [ 688.383826] 0*8kB [ 688.385801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.390011] 0*16kB [ 688.392159] ? __lock_acquire+0x7ec/0x4ec0 [ 688.397242] 1*32kB [ 688.399470] ? should_fail+0x22d/0xd01 [ 688.399497] ? mark_held_locks+0x130/0x130 [ 688.403702] (U) [ 688.405937] ? mark_held_locks+0x130/0x130 [ 688.409802] 2*64kB [ 688.414036] ? mark_held_locks+0xc7/0x130 [ 688.415995] (U) [ 688.420233] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 688.422447] 1*128kB [ 688.426603] ? graph_lock+0x170/0x170 [ 688.428573] (U) [ 688.433624] ? print_usage_bug+0xc0/0xc0 [ 688.435935] 1*256kB [ 688.439731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.441688] (U) [ 688.445750] ? check_preemption_disabled+0x48/0x280 [ 688.448062] 0*512kB [ 688.453608] ? check_preemption_disabled+0x48/0x280 [ 688.455586] 1*1024kB [ 688.460645] ? __lock_is_held+0xb5/0x140 [ 688.462962] (U) [ 688.467983] __alloc_pages_nodemask+0xa80/0xde0 [ 688.470380] 1*2048kB [ 688.474993] ? graph_lock+0x170/0x170 [ 688.476954] (M) [ 688.481626] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 688.484015] 3*4096kB [ 688.487809] ? graph_lock+0x170/0x170 [ 688.489768] (M) [ 688.494792] ? find_held_lock+0x36/0x1c0 [ 688.497174] = 15908kB [ 688.500979] ? ____cache_alloc_node+0x1c7/0x1e0 [ 688.502926] Node 0 [ 688.506984] ? lock_downgrade+0x900/0x900 [ 688.509376] DMA32: [ 688.514051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.516263] 3*4kB [ 688.520415] cache_grow_begin+0x91/0x8c0 [ 688.522628] (M) [ 688.528170] ? do_raw_spin_unlock+0xa7/0x330 [ 688.530298] 1*8kB [ 688.534366] fallback_alloc+0x203/0x2e0 [ 688.536308] (M) 3*16kB [ 688.540728] ____cache_alloc_node+0x1c7/0x1e0 [ 688.542855] (UM) [ 688.546831] kmem_cache_alloc_node+0xe3/0x730 [ 688.549406] 3*32kB [ 688.553901] ? ipv6_get_ifaddr+0x42e/0x620 [ 688.555937] (UM) 4*64kB [ 688.560449] __alloc_skb+0x119/0x770 [ 688.562659] (M) [ 688.566895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 688.569538] 3*128kB (M) [ 688.573264] ? skb_scrub_packet+0x490/0x490 [ 688.575222] 4*256kB [ 688.580499] ? lock_downgrade+0x900/0x900 [ 688.583151] (UM) [ 688.587478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.589769] 3*512kB (M) [ 688.593925] ? refcount_sub_and_test_checked+0x203/0x310 [ 688.595970] 3*1024kB [ 688.601507] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 688.604153] (UM) [ 688.609613] ? addrconf_rs_timer+0x690/0x690 [ 688.611998] 3*2048kB [ 688.617454] ndisc_alloc_skb+0x144/0x340 [ 688.619489] (UM) [ 688.623896] ndisc_send_rs+0x331/0x6e0 [ 688.626277] 3*4096kB (M) [ 688.630352] addrconf_rs_timer+0x314/0x690 [ 688.632394] = 24868kB [ 688.636277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.639013] Node 0 [ 688.643257] call_timer_fn+0x272/0x920 [ 688.645634] Normal: [ 688.649865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.652088] 871*4kB [ 688.655976] ? process_timeout+0x40/0x40 [ 688.658290] (MEH) [ 688.662524] ? find_held_lock+0x36/0x1c0 [ 688.664828] 470*8kB [ 688.668895] ? mark_held_locks+0xc7/0x130 [ 688.671021] (MEH) [ 688.675081] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.677395] 180*16kB [ 688.681538] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.683664] (UMEH) [ 688.688159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.690552] 61*32kB [ 688.695056] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 688.697269] (UME) [ 688.701501] ? trace_hardirqs_on+0xbd/0x310 [ 688.703807] 19*64kB [ 688.708389] ? kasan_check_read+0x11/0x20 [ 688.710517] (UMH) [ 688.714838] ? __run_timers+0x7da/0xc70 [ 688.717135] 0*128kB 0*256kB [ 688.721294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 688.723423] 0*512kB [ 688.727409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.730389] 0*1024kB 0*2048kB [ 688.735854] __run_timers+0x7e5/0xc70 [ 688.738160] 0*4096kB [ 688.742400] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 688.745559] = 13292kB [ 688.745574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 688.749381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 688.751775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 688.757133] ? graph_lock+0x170/0x170 [ 688.759526] 238 total pagecache pages [ 688.768360] ? print_usage_bug+0xc0/0xc0 [ 688.773363] 0 pages in swap cache [ 688.782137] ? enqueue_hrtimer+0x1a5/0x560 [ 688.785927] Swap cache stats: add 0, delete 0, find 0/0 [ 688.789732] ? lock_release+0x970/0x970 [ 688.793775] Free swap = 0kB [ 688.797231] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 688.801441] Total swap = 0kB [ 688.806807] ? find_held_lock+0x36/0x1c0 [ 688.810758] 1965979 pages RAM [ 688.813777] ? graph_lock+0x170/0x170 [ 688.818943] 0 pages HighMem/MovableOnly [ 688.821961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.825998] 342306 pages reserved [ 688.829105] ? check_preemption_disabled+0x48/0x280 [ 688.832887] 0 pages cma reserved [ 688.836867] ? __lock_is_held+0xb5/0x140 [ 688.842478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 688.845826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.851144] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 688.854192] ? check_preemption_disabled+0x48/0x280 [ 688.858249] syz-executor4 cpuset= [ 688.864749] run_timer_softirq+0x52/0xb0 [ 688.870258] syz4 [ 688.881005] ? rcu_read_lock_sched_held+0x108/0x120 [ 688.886001] mems_allowed=0 [ 688.889449] __do_softirq+0x30c/0xb03 [ 688.907187] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 688.912304] ? pvclock_read_flags+0x160/0x160 [ 688.916804] ? lapic_next_event+0x5a/0x90 [ 688.920955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.926512] ? check_preemption_disabled+0x48/0x280 [ 688.931529] ? check_preemption_disabled+0x48/0x280 [ 688.936555] ? kvm_clock_read+0x18/0x30 [ 688.940542] ? kvm_sched_clock_read+0x9/0x20 [ 688.944961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.950500] ? check_preemption_disabled+0x48/0x280 [ 688.955532] irq_exit+0x17f/0x1c0 [ 688.958993] smp_apic_timer_interrupt+0x1cb/0x760 [ 688.963835] ? smp_reschedule_interrupt+0x109/0x650 [ 688.968861] ? smp_call_function_single_interrupt+0x650/0x650 [ 688.974753] ? interrupt_entry+0xb5/0xf0 [ 688.978817] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.983836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.988860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.993710] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.998728] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.003752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.009300] ? check_preemption_disabled+0x48/0x280 [ 689.014318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.019869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.024728] apic_timer_interrupt+0xf/0x20 [ 689.028956] [ 689.031198] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 689.036394] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 689.055299] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 689.063014] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 689.070284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 689.077584] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 689.084865] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 689.092133] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 689.099461] retint_kernel+0x1b/0x2d [ 689.103187] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 689.108471] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 689.127845] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 689.135559] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 689.142843] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 689.150109] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 689.157376] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 689.164677] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 689.171992] ? arch_local_irq_restore+0x45/0x52 [ 689.176684] dump_stack+0x26a/0x2b6 [ 689.180321] ? dump_stack_print_info.cold.1+0x20/0x20 [ 689.185519] ? mark_held_locks+0x130/0x130 [ 689.189761] ? mark_held_locks+0x130/0x130 [ 689.194008] dump_header+0x27b/0xf72 [ 689.197748] ? pagefault_out_of_memory+0x197/0x197 [ 689.202691] ? __lock_acquire+0x7ec/0x4ec0 [ 689.206934] ? print_usage_bug+0xc0/0xc0 [ 689.211006] ? graph_lock+0x170/0x170 [ 689.214824] ? graph_lock+0x170/0x170 [ 689.218634] ? print_usage_bug+0xc0/0xc0 [ 689.222702] ? print_usage_bug+0xc0/0xc0 [ 689.226942] ? print_usage_bug+0xc0/0xc0 [ 689.231020] ? find_held_lock+0x36/0x1c0 [ 689.235098] ? mark_held_locks+0xc7/0x130 [ 689.239257] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 689.244369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 689.249494] ? lockdep_hardirqs_on+0x421/0x5c0 [ 689.254085] ? trace_hardirqs_on+0xbd/0x310 [ 689.258422] ? kasan_check_read+0x11/0x20 [ 689.262572] ? ___ratelimit+0x36f/0x655 [ 689.266571] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 689.272045] ? trace_hardirqs_on+0x310/0x310 [ 689.276457] ? lock_downgrade+0x900/0x900 [ 689.280625] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 689.285740] ? ___ratelimit+0xaa/0x655 [ 689.289635] ? idr_get_free+0xec0/0xec0 [ 689.293627] ? kasan_check_write+0x14/0x20 [ 689.297871] ? do_raw_spin_lock+0xc1/0x230 [ 689.302118] oom_kill_process.cold.27+0x10/0x903 [ 689.306881] ? graph_lock+0x170/0x170 [ 689.310688] ? _raw_spin_unlock+0x2c/0x50 [ 689.314838] ? oom_badness+0xe6/0xaa0 [ 689.318650] ? oom_evaluate_task+0x540/0x540 [ 689.323098] ? find_held_lock+0x36/0x1c0 [ 689.327184] ? out_of_memory+0x974/0x1430 [ 689.331364] ? lock_downgrade+0x900/0x900 [ 689.335525] ? check_preemption_disabled+0x48/0x280 [ 689.340569] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 689.346396] ? kasan_check_read+0x11/0x20 [ 689.350552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 689.355867] ? rcu_bh_qs+0xc0/0xc0 [ 689.359423] ? kasan_check_write+0x14/0x20 [ 689.363664] ? oom_evaluate_task+0x302/0x540 [ 689.368086] out_of_memory+0xa84/0x1430 [ 689.372076] ? oom_killer_disable+0x3a0/0x3a0 [ 689.376587] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 689.381536] ? __mutex_add_waiter+0x2a0/0x2a0 [ 689.386054] __alloc_pages_slowpath+0x230f/0x2d70 [ 689.390937] ? warn_alloc+0x120/0x120 [ 689.394739] ? __radix_tree_lookup+0x4c0/0x4c0 [ 689.399341] ? find_get_entry+0x2f2/0xc40 [ 689.403511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.409059] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 689.413996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.419540] ? should_fail+0x22d/0xd01 [ 689.423442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.428553] ? __lock_is_held+0xb5/0x140 [ 689.432666] ? __lock_is_held+0xb5/0x140 [ 689.436743] ? find_held_lock+0x36/0x1c0 [ 689.440818] ? ___might_sleep+0x1ed/0x300 [ 689.444965] ? lock_release+0x970/0x970 [ 689.448947] ? arch_local_save_flags+0x40/0x40 [ 689.453547] ? __might_sleep+0x95/0x190 [ 689.457541] __alloc_pages_nodemask+0xa80/0xde0 [ 689.462224] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 689.467251] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 689.473056] ? kasan_check_read+0x11/0x20 [ 689.477209] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 689.482493] ? graph_lock+0x170/0x170 [ 689.486298] ? print_usage_bug+0xc0/0xc0 [ 689.490379] ? graph_lock+0x170/0x170 [ 689.494180] ? graph_lock+0x170/0x170 [ 689.497989] ? __do_page_cache_readahead+0x7ce/0x980 [ 689.503101] ? find_held_lock+0x36/0x1c0 [ 689.507175] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 689.512718] alloc_pages_current+0x10c/0x210 [ 689.517127] ? lock_downgrade+0x900/0x900 [ 689.521283] __page_cache_alloc+0x38f/0x5b0 [ 689.525623] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 689.531425] ? kasan_check_read+0x11/0x20 [ 689.535587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 689.540879] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 689.545555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.551112] ? check_preemption_disabled+0x48/0x280 [ 689.556145] filemap_fault+0x1594/0x25f0 [ 689.560229] ? __lock_page_or_retry+0xa00/0xa00 [ 689.564904] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 689.570708] ? kasan_check_read+0x11/0x20 [ 689.574859] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 689.580137] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 689.585243] ? rcu_bh_qs+0xc0/0xc0 [ 689.588788] ? trace_hardirqs_on+0xbd/0x310 [ 689.594435] ? kasan_check_read+0x11/0x20 [ 689.598603] ? __free_object+0x173/0x340 [ 689.602681] ? filemap_map_pages+0xdea/0x1980 [ 689.607190] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 689.612299] ? __free_object+0x173/0x340 [ 689.616387] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 689.621672] ? debug_object_free+0x325/0x690 [ 689.626107] ? find_get_pages_range_tag+0x1320/0x1320 [ 689.631312] ? graph_lock+0x170/0x170 [ 689.635128] ? kasan_check_read+0x11/0x20 [ 689.639299] ? debug_object_destroy+0x2b0/0x2b0 [ 689.643988] ? lock_acquire+0x1ed/0x520 [ 689.647984] ? ext4_filemap_fault+0x7a/0xad [ 689.652317] ? lock_release+0x970/0x970 [ 689.656296] ? arch_local_save_flags+0x40/0x40 [ 689.660892] ? futex_wait_setup+0x3e0/0x3e0 [ 689.666010] ? down_read+0xb0/0x1d0 [ 689.669646] ? ext4_filemap_fault+0x7a/0xad [ 689.673975] ? __down_interruptible+0x700/0x700 [ 689.678681] ext4_filemap_fault+0x82/0xad [ 689.682839] __do_fault+0x100/0x6b0 [ 689.686476] ? print_bad_pte+0x6c0/0x6c0 [ 689.690541] ? do_futex+0x249/0x26d0 [ 689.694261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.699804] ? check_preemption_disabled+0x48/0x280 [ 689.704824] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 689.709601] ? pmd_val+0x88/0x100 [ 689.713061] ? add_mm_counter_fast+0xd0/0xd0 [ 689.717470] ? pmd_val+0x88/0x100 [ 689.720925] ? add_mm_counter_fast+0xd0/0xd0 [ 689.725376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.730923] __handle_mm_fault+0x3709/0x53e0 [ 689.735336] ? debug_smp_processor_id+0x1c/0x20 [ 689.740033] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 689.744905] ? graph_lock+0x170/0x170 [ 689.748710] ? print_usage_bug+0xc0/0xc0 [ 689.752773] ? should_fail+0xaf/0xd01 [ 689.756604] ? graph_lock+0x170/0x170 [ 689.760444] ? graph_lock+0x170/0x170 [ 689.764296] ? handle_mm_fault+0x42a/0xc70 [ 689.768537] ? lock_downgrade+0x900/0x900 [ 689.772721] ? check_preemption_disabled+0x48/0x280 [ 689.777763] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 689.783776] ? kasan_check_read+0x11/0x20 [ 689.787930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 689.793211] ? rcu_bh_qs+0xc0/0xc0 [ 689.796765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 689.802232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.807776] ? check_preemption_disabled+0x48/0x280 [ 689.812806] handle_mm_fault+0x54f/0xc70 [ 689.816876] ? __handle_mm_fault+0x53e0/0x53e0 [ 689.821465] ? find_vma+0x34/0x190 [ 689.825951] __do_page_fault+0x67d/0xed0 [ 689.830026] ? mm_fault_error+0x380/0x380 [ 689.834176] ? trace_hardirqs_off+0xb8/0x310 [ 689.838608] ? trace_hardirqs_on+0x310/0x310 [ 689.843028] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.848396] ? trace_hardirqs_on+0x310/0x310 [ 689.852820] do_page_fault+0xf2/0x7e0 [ 689.856628] ? vmalloc_sync_all+0x30/0x30 [ 689.860780] ? error_entry+0x70/0xd0 [ 689.864499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 689.869516] ? trace_hardirqs_on_caller+0xc0/0x310 [ 689.874472] ? syscall_return_slowpath+0x5e0/0x5e0 [ 689.879410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.884262] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.889279] ? trace_hardirqs_off+0x310/0x310 [ 689.893788] ? prepare_exit_to_usermode+0x291/0x3b0 [ 689.898810] ? page_fault+0x8/0x30 [ 689.902356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.907207] ? page_fault+0x8/0x30 [ 689.910755] page_fault+0x1e/0x30 [ 689.914212] RIP: 0033:0x45ddf3 [ 689.917422] Code: Bad RIP value. [ 689.920789] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 689.926158] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 689.933425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 689.940695] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 689.947967] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 689.955234] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 689.962571] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 689.962670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 689.969877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.969883] Call Trace: [ 689.969890] [ 689.969916] dump_stack+0x1c4/0x2b6 [ 689.969936] ? dump_stack_print_info.cold.1+0x20/0x20 [ 689.976501] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 689.985804] warn_alloc.cold.119+0xb7/0x1bd [ 689.988361] syz-fuzzer cpuset= [ 689.990510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 689.994115] / [ 689.999308] ? lock_downgrade+0x900/0x900 [ 690.009523] mems_allowed=0 [ 690.013858] ? trace_hardirqs_off+0xb8/0x310 [ 690.035041] ? trace_hardirqs_off+0xb8/0x310 [ 690.039470] __alloc_pages_slowpath+0x265e/0x2d70 [ 690.044357] ? warn_alloc+0x120/0x120 [ 690.048174] ? warn_alloc+0x120/0x120 [ 690.052013] ? print_usage_bug+0xc0/0xc0 [ 690.056082] ? warn_alloc+0x120/0x120 [ 690.059910] ? print_usage_bug+0xc0/0xc0 [ 690.063993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.069540] ? should_fail+0x22d/0xd01 [ 690.073432] ? __lock_acquire+0x7ec/0x4ec0 [ 690.077717] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.082831] ? __lock_acquire+0x7ec/0x4ec0 [ 690.087073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.092237] ? __lock_acquire+0x7ec/0x4ec0 [ 690.096503] ? should_fail+0x22d/0xd01 [ 690.100410] ? mark_held_locks+0x130/0x130 [ 690.104656] ? mark_held_locks+0x130/0x130 [ 690.108908] ? graph_lock+0x170/0x170 [ 690.112717] ? print_usage_bug+0xc0/0xc0 [ 690.116786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.122674] ? check_preemption_disabled+0x48/0x280 [ 690.127700] ? check_preemption_disabled+0x48/0x280 [ 690.132732] ? __lock_is_held+0xb5/0x140 [ 690.136810] __alloc_pages_nodemask+0xa80/0xde0 [ 690.141487] ? graph_lock+0x170/0x170 [ 690.145318] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 690.150336] ? graph_lock+0x170/0x170 [ 690.154156] ? find_held_lock+0x36/0x1c0 [ 690.158244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 690.162933] ? lock_downgrade+0x900/0x900 [ 690.167115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.172663] cache_grow_begin+0x91/0x8c0 [ 690.176734] ? do_raw_spin_unlock+0xa7/0x330 [ 690.181159] fallback_alloc+0x203/0x2e0 [ 690.185145] ____cache_alloc_node+0x1c7/0x1e0 [ 690.189652] kmem_cache_alloc_node+0xe3/0x730 [ 690.194154] ? ipv6_get_ifaddr+0x42e/0x620 [ 690.198417] __alloc_skb+0x119/0x770 [ 690.202164] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 690.207453] ? skb_scrub_packet+0x490/0x490 [ 690.211780] ? lock_downgrade+0x900/0x900 [ 690.215947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.221505] ? refcount_sub_and_test_checked+0x203/0x310 [ 690.226966] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 690.232439] ? addrconf_rs_timer+0x690/0x690 [ 690.236884] ndisc_alloc_skb+0x144/0x340 [ 690.240957] ndisc_send_rs+0x331/0x6e0 [ 690.244858] addrconf_rs_timer+0x314/0x690 [ 690.249128] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.253386] call_timer_fn+0x272/0x920 [ 690.257278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.261520] ? process_timeout+0x40/0x40 [ 690.265593] ? find_held_lock+0x36/0x1c0 [ 690.269670] ? __run_timers+0x7da/0xc70 [ 690.273669] ? _raw_spin_unlock_irq+0x27/0x80 [ 690.278168] ? _raw_spin_unlock_irq+0x27/0x80 [ 690.282669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.286915] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 690.291507] ? trace_hardirqs_on+0xbd/0x310 [ 690.295834] ? kasan_check_read+0x11/0x20 [ 690.299986] ? __run_timers+0x7da/0xc70 [ 690.303966] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 690.309434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.313674] __run_timers+0x7e5/0xc70 [ 690.317498] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 690.322872] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 690.327895] ? graph_lock+0x170/0x170 [ 690.331704] ? enqueue_hrtimer+0x1a5/0x560 [ 690.335943] ? lock_release+0x970/0x970 [ 690.339924] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 690.345130] ? find_held_lock+0x36/0x1c0 [ 690.349200] ? graph_lock+0x170/0x170 [ 690.353013] ? pvclock_read_flags+0x160/0x160 [ 690.357514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.363063] ? check_preemption_disabled+0x48/0x280 [ 690.368115] ? __lock_is_held+0xb5/0x140 [ 690.372187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.377735] ? check_preemption_disabled+0x48/0x280 [ 690.382767] run_timer_softirq+0x52/0xb0 [ 690.386840] ? rcu_read_lock_sched_held+0x108/0x120 [ 690.391882] __do_softirq+0x30c/0xb03 [ 690.395703] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 690.400817] ? pvclock_read_flags+0x160/0x160 [ 690.405319] ? lapic_next_event+0x5a/0x90 [ 690.409471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.415018] ? check_preemption_disabled+0x48/0x280 [ 690.420036] ? check_preemption_disabled+0x48/0x280 [ 690.425069] ? kvm_clock_read+0x18/0x30 [ 690.429060] ? kvm_sched_clock_read+0x9/0x20 [ 690.433490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.439036] ? check_preemption_disabled+0x48/0x280 [ 690.444072] irq_exit+0x17f/0x1c0 [ 690.447540] smp_apic_timer_interrupt+0x1cb/0x760 [ 690.452385] ? smp_reschedule_interrupt+0x109/0x650 [ 690.457408] ? smp_call_function_single_interrupt+0x650/0x650 [ 690.463299] ? interrupt_entry+0xb5/0xf0 [ 690.467368] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.472390] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.477411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.482260] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.487278] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.492300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.497874] ? check_preemption_disabled+0x48/0x280 [ 690.502897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.508462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.513319] apic_timer_interrupt+0xf/0x20 [ 690.517550] [ 690.519818] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 690.524753] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 690.543658] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 690.551374] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 690.558644] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 690.565915] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 690.573186] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 690.580457] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 690.587791] skb_clone+0x1bb/0x500 [ 690.591342] ? skb_split+0x11e0/0x11e0 [ 690.595260] ? preempt_notifier_register+0x200/0x200 [ 690.600372] ? __switch_to_asm+0x34/0x70 [ 690.604443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 690.609212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 690.613981] bpf_clone_redirect+0xb9/0x490 [ 690.618234] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 690.623266] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 690.628040] ? find_held_lock+0x36/0x1c0 [ 690.632118] ? lock_acquire+0x1ed/0x520 [ 690.636102] ? bpf_test_run+0x3cb/0x780 [ 690.640081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.645634] ? check_preemption_disabled+0x48/0x280 [ 690.650676] ? kasan_check_read+0x11/0x20 [ 690.654833] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 690.660122] ? rcu_bh_qs+0xc0/0xc0 [ 690.663677] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 690.668885] ? bpf_test_run+0x25d/0x780 [ 690.672879] ? netlink_diag_dump+0x2a0/0x2a0 [ 690.677299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.682838] ? bpf_test_init.isra.10+0x70/0x100 [ 690.687518] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 690.692289] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 690.697134] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 690.702680] ? fput+0x130/0x1a0 [ 690.705972] ? __bpf_prog_get+0x9b/0x290 [ 690.710047] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 690.714896] ? bpf_prog_test_run+0x130/0x1a0 [ 690.719318] ? __x64_sys_bpf+0x3d8/0x520 [ 690.723388] ? bpf_prog_get+0x20/0x20 [ 690.727236] ? do_syscall_64+0x1b9/0x820 [ 690.731305] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 690.736681] ? syscall_return_slowpath+0x5e0/0x5e0 [ 690.741621] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.746645] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 690.751671] ? recalc_sigpending_tsk+0x180/0x180 [ 690.756436] ? kasan_check_write+0x14/0x20 [ 690.760684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.765543] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 690.770946] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 690.770952] warn_alloc_show_mem: 1 callbacks suppressed [ 690.770959] Mem-Info: [ 690.777981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.777991] Call Trace: [ 690.783371] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 690.783371] active_file:13 inactive_file:34 isolated_file:0 [ 690.783371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 690.783371] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 690.783371] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 690.783371] free:13625 free_pcp:139 free_cma:0 [ 690.785749] [ 690.795121] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 690.797713] dump_stack+0x1c4/0x2b6 [ 690.830574] Node 0 [ 690.832759] ? dump_stack_print_info.cold.1+0x20/0x20 [ 690.860346] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 690.863978] warn_alloc.cold.119+0xb7/0x1bd [ 690.866168] lowmem_reserve[]: 0 [ 690.871372] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 690.896853] 2819 6323 [ 690.901202] ? lock_downgrade+0x900/0x900 [ 690.904454] 6323 [ 690.909314] ? trace_hardirqs_off+0xb8/0x310 [ 690.911783] Node 0 [ 690.915936] ? trace_hardirqs_off+0xb8/0x310 [ 690.918005] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 690.922398] __alloc_pages_slowpath+0x265e/0x2d70 [ 690.924607] lowmem_reserve[]: 0 [ 690.929055] ? warn_alloc+0x120/0x120 [ 690.956163] 0 3503 [ 690.961037] ? warn_alloc+0x120/0x120 [ 690.964283] 3503 [ 690.968120] ? print_usage_bug+0xc0/0xc0 [ 690.970336] Node 0 [ 690.974155] ? warn_alloc+0x120/0x120 [ 690.976233] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 690.980269] ? print_usage_bug+0xc0/0xc0 [ 690.982483] lowmem_reserve[]: [ 690.986286] ? __lock_acquire+0x7ec/0x4ec0 [ 691.014646] 0 0 [ 691.018745] ? __lock_acquire+0x7ec/0x4ec0 [ 691.021828] 0 [ 691.026079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.028030] 0 [ 691.032270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.034055] Node 0 [ 691.039609] ? should_fail+0x22d/0xd01 [ 691.041382] DMA: [ 691.047185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.049422] 1*4kB [ 691.053314] ? __lock_acquire+0x7ec/0x4ec0 [ 691.055357] (U) [ 691.060463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.062596] 0*8kB 0*16kB [ 691.066847] ? __lock_acquire+0x7ec/0x4ec0 [ 691.068802] 1*32kB [ 691.073905] ? should_fail+0x22d/0xd01 [ 691.076645] (U) [ 691.080892] ? mark_held_locks+0x130/0x130 [ 691.083100] 2*64kB [ 691.086991] ? mark_held_locks+0x130/0x130 [ 691.088949] (U) [ 691.093202] ? graph_lock+0x170/0x170 [ 691.095417] 1*128kB (U) [ 691.099665] ? print_usage_bug+0xc0/0xc0 [ 691.101621] 1*256kB (U) [ 691.105429] ? graph_lock+0x170/0x170 [ 691.108076] 0*512kB 1*1024kB [ 691.112151] ? print_usage_bug+0xc0/0xc0 [ 691.114802] (U) [ 691.119073] ? wq_watchdog_touch+0x9c/0xfe [ 691.119092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.122184] 1*2048kB (M) [ 691.126258] ? check_preemption_disabled+0x48/0x280 [ 691.128211] 3*4096kB [ 691.132447] ? check_preemption_disabled+0x48/0x280 [ 691.137960] (M) [ 691.140728] ? __lock_is_held+0xb5/0x140 [ 691.145730] = 15908kB [ 691.145740] Node 0 [ 691.148158] __alloc_pages_nodemask+0xa80/0xde0 [ 691.153153] DMA32: [ 691.155129] ? graph_lock+0x170/0x170 [ 691.159174] 3*4kB [ 691.161602] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 691.163813] (M) [ 691.168485] ? graph_lock+0x170/0x170 [ 691.170705] 1*8kB [ 691.174521] ? find_held_lock+0x36/0x1c0 [ 691.176990] (M) [ 691.182015] ? ____cache_alloc_node+0x1c7/0x1e0 [ 691.183958] 3*16kB (UM) [ 691.187770] ? lock_downgrade+0x900/0x900 [ 691.189905] 3*32kB [ 691.193972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.195924] (UM) [ 691.200609] cache_grow_begin+0x91/0x8c0 [ 691.203280] 4*64kB (M) [ 691.207444] ? do_raw_spin_unlock+0xa7/0x330 [ 691.209662] 3*128kB [ 691.215205] fallback_alloc+0x203/0x2e0 [ 691.217243] (M) 4*256kB [ 691.221320] ____cache_alloc_node+0x1c7/0x1e0 [ 691.223888] (UM) [ 691.228430] kmem_cache_alloc_node+0xe3/0x730 [ 691.230731] 3*512kB (M) [ 691.234718] ? ipv6_get_ifaddr+0x42e/0x620 [ 691.237364] 3*1024kB (UM) [ 691.241876] __alloc_skb+0x119/0x770 [ 691.243912] 3*2048kB (UM) [ 691.248420] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 691.251062] 3*4096kB (M) [ 691.255323] ? skb_scrub_packet+0x490/0x490 [ 691.258149] = 24868kB [ 691.261866] ? lock_downgrade+0x900/0x900 [ 691.264693] Node 0 [ 691.269976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.272709] Normal: [ 691.277038] ? refcount_sub_and_test_checked+0x203/0x310 [ 691.279433] 871*4kB [ 691.283589] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 691.285812] (MEH) [ 691.291351] ? addrconf_rs_timer+0x690/0x690 [ 691.293660] 470*8kB [ 691.299121] ndisc_alloc_skb+0x144/0x340 [ 691.301426] (MEH) [ 691.306884] ndisc_send_rs+0x331/0x6e0 [ 691.309017] 180*16kB [ 691.313430] addrconf_rs_timer+0x314/0x690 [ 691.315732] (UMEH) [ 691.319798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.321929] 61*32kB [ 691.325828] call_timer_fn+0x272/0x920 [ 691.328212] (UME) [ 691.332450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.334675] 19*64kB [ 691.338909] ? process_timeout+0x40/0x40 [ 691.341213] (UMH) [ 691.345104] ? find_held_lock+0x36/0x1c0 [ 691.347242] 0*128kB [ 691.351480] ? mark_held_locks+0xc7/0x130 [ 691.353775] 0*256kB 0*512kB [ 691.357850] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.359982] 0*1024kB [ 691.364044] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.366349] 0*2048kB [ 691.370490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.370508] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 691.373516] 0*4096kB = 13292kB [ 691.378024] ? trace_hardirqs_on+0xbd/0x310 [ 691.380424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 691.384917] ? kasan_check_read+0x11/0x20 [ 691.387318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 691.391550] ? __run_timers+0x7da/0xc70 [ 691.396114] 238 total pagecache pages [ 691.399311] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 691.403620] 0 pages in swap cache [ 691.412454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.416595] Swap cache stats: add 0, delete 0, find 0/0 [ 691.425179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.429130] Free swap = 0kB [ 691.432934] __run_timers+0x7e5/0xc70 [ 691.438361] Total swap = 0kB [ 691.442358] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 691.446563] 1965979 pages RAM [ 691.451947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 691.456156] 0 pages HighMem/MovableOnly [ 691.456166] 342306 pages reserved [ 691.459189] ? graph_lock+0x170/0x170 [ 691.462971] 0 pages cma reserved [ 691.465991] ? print_usage_bug+0xc0/0xc0 [ 691.471446] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 691.474435] ? enqueue_hrtimer+0x1a5/0x560 [ 691.474453] ? lock_release+0x970/0x970 [ 691.479576] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 691.483434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 691.486874] syz-executor4 cpuset= [ 691.490683] ? find_held_lock+0x36/0x1c0 [ 691.494025] syz4 [ 691.498088] ? graph_lock+0x170/0x170 [ 691.504576] mems_allowed=0 [ 691.508826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.550160] ? check_preemption_disabled+0x48/0x280 [ 691.555202] ? __lock_is_held+0xb5/0x140 [ 691.559277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.564821] ? check_preemption_disabled+0x48/0x280 [ 691.569865] run_timer_softirq+0x52/0xb0 [ 691.573946] ? rcu_read_lock_sched_held+0x108/0x120 [ 691.578998] __do_softirq+0x30c/0xb03 [ 691.582820] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 691.587937] ? pvclock_read_flags+0x160/0x160 [ 691.592436] ? lapic_next_event+0x5a/0x90 [ 691.596609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.602161] ? check_preemption_disabled+0x48/0x280 [ 691.607195] ? check_preemption_disabled+0x48/0x280 [ 691.612229] ? kvm_clock_read+0x18/0x30 [ 691.616221] ? kvm_sched_clock_read+0x9/0x20 [ 691.620643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.626192] ? check_preemption_disabled+0x48/0x280 [ 691.631233] irq_exit+0x17f/0x1c0 [ 691.634701] smp_apic_timer_interrupt+0x1cb/0x760 [ 691.639551] ? smp_reschedule_interrupt+0x109/0x650 [ 691.644610] ? smp_call_function_single_interrupt+0x650/0x650 [ 691.650517] ? interrupt_entry+0xb5/0xf0 [ 691.654607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 691.659641] ? trace_hardirqs_off_caller+0xbb/0x310 [ 691.664675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.669533] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.674575] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.679968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.685521] ? check_preemption_disabled+0x48/0x280 [ 691.690546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.696838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.701708] apic_timer_interrupt+0xf/0x20 [ 691.705946] [ 691.708192] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 691.713392] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 691.732313] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 691.740047] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 691.747330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 691.754627] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 691.761905] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 691.769190] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 691.776529] retint_kernel+0x1b/0x2d [ 691.780703] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 691.787161] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 691.806089] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 691.813827] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 691.821113] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 691.828396] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 691.835681] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 691.842963] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 691.850277] ? arch_local_irq_restore+0x45/0x52 [ 691.854980] dump_stack+0x26a/0x2b6 [ 691.858636] ? dump_stack_print_info.cold.1+0x20/0x20 [ 691.863842] ? mark_held_locks+0x130/0x130 [ 691.868088] ? mark_held_locks+0x130/0x130 [ 691.872341] dump_header+0x27b/0xf72 [ 691.876075] ? pagefault_out_of_memory+0x197/0x197 [ 691.881028] ? __lock_acquire+0x7ec/0x4ec0 [ 691.885276] ? print_usage_bug+0xc0/0xc0 [ 691.889359] ? graph_lock+0x170/0x170 [ 691.893165] ? graph_lock+0x170/0x170 [ 691.896976] ? print_usage_bug+0xc0/0xc0 [ 691.901043] ? print_usage_bug+0xc0/0xc0 [ 691.905115] ? print_usage_bug+0xc0/0xc0 [ 691.909199] ? find_held_lock+0x36/0x1c0 [ 691.913285] ? mark_held_locks+0xc7/0x130 [ 691.917447] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 691.922586] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 691.927708] ? lockdep_hardirqs_on+0x421/0x5c0 [ 691.932304] ? trace_hardirqs_on+0xbd/0x310 [ 691.936644] ? kasan_check_read+0x11/0x20 [ 691.940807] ? ___ratelimit+0x36f/0x655 [ 691.944790] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 691.950252] ? trace_hardirqs_on+0x310/0x310 [ 691.954672] ? lock_downgrade+0x900/0x900 [ 691.958840] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 691.963950] ? ___ratelimit+0xaa/0x655 [ 691.967849] ? idr_get_free+0xec0/0xec0 [ 691.971838] ? kasan_check_write+0x14/0x20 [ 691.976084] ? do_raw_spin_lock+0xc1/0x230 [ 691.980333] oom_kill_process.cold.27+0x10/0x903 [ 691.985096] ? graph_lock+0x170/0x170 [ 691.988906] ? _raw_spin_unlock+0x2c/0x50 [ 691.993071] ? oom_badness+0xe6/0xaa0 [ 691.996899] ? oom_evaluate_task+0x540/0x540 [ 692.001325] ? find_held_lock+0x36/0x1c0 [ 692.005400] ? out_of_memory+0x974/0x1430 [ 692.009556] ? lock_downgrade+0x900/0x900 [ 692.013726] ? check_preemption_disabled+0x48/0x280 [ 692.018760] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 692.024570] ? kasan_check_read+0x11/0x20 [ 692.028745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.034030] ? rcu_bh_qs+0xc0/0xc0 [ 692.037597] ? kasan_check_write+0x14/0x20 [ 692.041864] ? oom_evaluate_task+0x302/0x540 [ 692.046287] out_of_memory+0xa84/0x1430 [ 692.050279] ? oom_killer_disable+0x3a0/0x3a0 [ 692.054784] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 692.059729] ? __mutex_add_waiter+0x2a0/0x2a0 [ 692.064248] __alloc_pages_slowpath+0x230f/0x2d70 [ 692.069138] ? warn_alloc+0x120/0x120 [ 692.072951] ? __radix_tree_lookup+0x4c0/0x4c0 [ 692.077559] ? find_get_entry+0x2f2/0xc40 [ 692.081741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.087293] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 692.092245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.097797] ? should_fail+0x22d/0xd01 [ 692.101708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.106829] ? __lock_is_held+0xb5/0x140 [ 692.110951] ? __lock_is_held+0xb5/0x140 [ 692.115041] ? find_held_lock+0x36/0x1c0 [ 692.120604] ? ___might_sleep+0x1ed/0x300 [ 692.124764] ? lock_release+0x970/0x970 [ 692.128753] ? arch_local_save_flags+0x40/0x40 [ 692.133360] ? __might_sleep+0x95/0x190 [ 692.137353] __alloc_pages_nodemask+0xa80/0xde0 [ 692.142043] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 692.147076] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 692.152891] ? kasan_check_read+0x11/0x20 [ 692.157054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.162349] ? graph_lock+0x170/0x170 [ 692.166169] ? print_usage_bug+0xc0/0xc0 [ 692.170246] ? graph_lock+0x170/0x170 [ 692.174057] ? graph_lock+0x170/0x170 [ 692.178624] ? __do_page_cache_readahead+0x7ce/0x980 [ 692.183757] ? find_held_lock+0x36/0x1c0 [ 692.187842] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 692.193393] alloc_pages_current+0x10c/0x210 [ 692.197811] ? lock_downgrade+0x900/0x900 [ 692.201976] __page_cache_alloc+0x38f/0x5b0 [ 692.206308] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 692.212116] ? kasan_check_read+0x11/0x20 [ 692.216275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.221564] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 692.226254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.231807] ? check_preemption_disabled+0x48/0x280 [ 692.236839] filemap_fault+0x1594/0x25f0 [ 692.240924] ? __lock_page_or_retry+0xa00/0xa00 [ 692.245613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 692.251418] ? kasan_check_read+0x11/0x20 [ 692.255576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.260882] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 692.265997] ? rcu_bh_qs+0xc0/0xc0 [ 692.269550] ? trace_hardirqs_on+0xbd/0x310 [ 692.273892] ? kasan_check_read+0x11/0x20 [ 692.278051] ? __free_object+0x173/0x340 [ 692.282127] ? filemap_map_pages+0xdea/0x1980 [ 692.286645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 692.291760] ? __free_object+0x173/0x340 [ 692.295830] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 692.301114] ? debug_object_free+0x325/0x690 [ 692.305542] ? find_get_pages_range_tag+0x1320/0x1320 [ 692.310754] ? graph_lock+0x170/0x170 [ 692.314574] ? kasan_check_read+0x11/0x20 [ 692.318750] ? debug_object_destroy+0x2b0/0x2b0 [ 692.323445] ? lock_acquire+0x1ed/0x520 [ 692.327439] ? ext4_filemap_fault+0x7a/0xad [ 692.331776] ? lock_release+0x970/0x970 [ 692.335758] ? arch_local_save_flags+0x40/0x40 [ 692.340351] ? futex_wait_setup+0x3e0/0x3e0 [ 692.344696] ? down_read+0xb0/0x1d0 [ 692.348326] ? ext4_filemap_fault+0x7a/0xad [ 692.352655] ? __down_interruptible+0x700/0x700 [ 692.357352] ext4_filemap_fault+0x82/0xad [ 692.361509] __do_fault+0x100/0x6b0 [ 692.365146] ? print_bad_pte+0x6c0/0x6c0 [ 692.369221] ? do_futex+0x249/0x26d0 [ 692.372942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.378490] ? check_preemption_disabled+0x48/0x280 [ 692.383512] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 692.388276] ? pmd_val+0x88/0x100 [ 692.391734] ? add_mm_counter_fast+0xd0/0xd0 [ 692.396148] ? pmd_val+0x88/0x100 [ 692.399620] ? add_mm_counter_fast+0xd0/0xd0 [ 692.404041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.409603] __handle_mm_fault+0x3709/0x53e0 [ 692.414026] ? debug_smp_processor_id+0x1c/0x20 [ 692.418713] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 692.423563] ? graph_lock+0x170/0x170 [ 692.427386] ? print_usage_bug+0xc0/0xc0 [ 692.431456] ? should_fail+0xaf/0xd01 [ 692.435266] ? graph_lock+0x170/0x170 [ 692.439068] ? graph_lock+0x170/0x170 [ 692.442899] ? handle_mm_fault+0x42a/0xc70 [ 692.447142] ? lock_downgrade+0x900/0x900 [ 692.451298] ? check_preemption_disabled+0x48/0x280 [ 692.456328] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 692.462135] ? kasan_check_read+0x11/0x20 [ 692.466292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.471587] ? rcu_bh_qs+0xc0/0xc0 [ 692.475145] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 692.480620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.486170] ? check_preemption_disabled+0x48/0x280 [ 692.491205] handle_mm_fault+0x54f/0xc70 [ 692.495281] ? __handle_mm_fault+0x53e0/0x53e0 [ 692.499875] ? find_vma+0x34/0x190 [ 692.503428] __do_page_fault+0x67d/0xed0 [ 692.507507] ? mm_fault_error+0x380/0x380 [ 692.511661] ? trace_hardirqs_off+0xb8/0x310 [ 692.516079] ? trace_hardirqs_on+0x310/0x310 [ 692.520497] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.525866] ? trace_hardirqs_on+0x310/0x310 [ 692.530292] do_page_fault+0xf2/0x7e0 [ 692.534099] ? vmalloc_sync_all+0x30/0x30 [ 692.538257] ? error_entry+0x70/0xd0 [ 692.541978] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.547002] ? trace_hardirqs_on_caller+0xc0/0x310 [ 692.551938] ? syscall_return_slowpath+0x5e0/0x5e0 [ 692.556871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.561724] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.566741] ? trace_hardirqs_off+0x310/0x310 [ 692.571248] ? prepare_exit_to_usermode+0x291/0x3b0 [ 692.576272] ? page_fault+0x8/0x30 [ 692.579822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.584677] ? page_fault+0x8/0x30 [ 692.588227] page_fault+0x1e/0x30 [ 692.591684] RIP: 0033:0x45ddf3 [ 692.594887] Code: Bad RIP value. [ 692.598251] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 692.603625] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 692.610897] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 692.618170] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 692.625442] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 692.632713] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 692.640021] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 692.640106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 692.647310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.647320] Call Trace: [ 692.653955] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 692.663155] [ 692.665732] syz-fuzzer cpuset= [ 692.675964] dump_stack+0x1c4/0x2b6 [ 692.678101] / [ 692.681299] ? dump_stack_print_info.cold.1+0x20/0x20 [ 692.684926] mems_allowed=0 [ 692.686658] warn_alloc.cold.119+0xb7/0x1bd [ 692.699061] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 692.703921] ? lock_downgrade+0x900/0x900 [ 692.708086] ? trace_hardirqs_off+0xb8/0x310 [ 692.712518] ? trace_hardirqs_off+0xb8/0x310 [ 692.716945] __alloc_pages_slowpath+0x265e/0x2d70 [ 692.721829] ? warn_alloc+0x120/0x120 [ 692.725636] ? trace_hardirqs_on+0x310/0x310 [ 692.730059] ? warn_alloc+0x120/0x120 [ 692.733879] ? print_usage_bug+0xc0/0xc0 [ 692.737948] ? warn_alloc+0x120/0x120 [ 692.741752] ? ktime_get+0x2e1/0x440 [ 692.745471] ? print_usage_bug+0xc0/0xc0 [ 692.749541] ? __lock_acquire+0x7ec/0x4ec0 [ 692.754041] ? __lock_acquire+0x7ec/0x4ec0 [ 692.758287] ? kasan_check_read+0x11/0x20 [ 692.762444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.767993] ? should_fail+0x22d/0xd01 [ 692.771888] ? rcu_bh_qs+0xc0/0xc0 [ 692.775440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.780550] ? __lock_acquire+0x7ec/0x4ec0 [ 692.784805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.789914] ? __lock_acquire+0x7ec/0x4ec0 [ 692.794154] ? should_fail+0x22d/0xd01 [ 692.798061] ? rcu_idle_enter+0x4b0/0x4b0 [ 692.802245] ? mark_held_locks+0x130/0x130 [ 692.806494] ? mark_held_locks+0x130/0x130 [ 692.810746] ? mark_held_locks+0xc7/0x130 [ 692.814904] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 692.819930] ? graph_lock+0x170/0x170 [ 692.823737] ? print_usage_bug+0xc0/0xc0 [ 692.827806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.833356] ? check_preemption_disabled+0x48/0x280 [ 692.838380] ? check_preemption_disabled+0x48/0x280 [ 692.843418] ? __lock_is_held+0xb5/0x140 [ 692.847496] __alloc_pages_nodemask+0xa80/0xde0 [ 692.852186] ? graph_lock+0x170/0x170 [ 692.856016] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 692.861035] ? graph_lock+0x170/0x170 [ 692.864855] ? find_held_lock+0x36/0x1c0 [ 692.868944] ? ____cache_alloc_node+0x1c7/0x1e0 [ 692.873620] ? lock_downgrade+0x900/0x900 [ 692.877784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.883336] cache_grow_begin+0x91/0x8c0 [ 692.887405] ? do_raw_spin_unlock+0xa7/0x330 [ 692.891830] fallback_alloc+0x203/0x2e0 [ 692.895819] ____cache_alloc_node+0x1c7/0x1e0 [ 692.900329] kmem_cache_alloc_node+0xe3/0x730 [ 692.904832] ? ipv6_get_ifaddr+0x42e/0x620 [ 692.909087] __alloc_skb+0x119/0x770 [ 692.912818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 692.918114] ? skb_scrub_packet+0x490/0x490 [ 692.922443] ? lock_downgrade+0x900/0x900 [ 692.926616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.932163] ? refcount_sub_and_test_checked+0x203/0x310 [ 692.937627] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 692.943084] ? addrconf_rs_timer+0x690/0x690 [ 692.947522] ndisc_alloc_skb+0x144/0x340 [ 692.951607] ndisc_send_rs+0x331/0x6e0 [ 692.955511] addrconf_rs_timer+0x314/0x690 [ 692.959758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.964017] call_timer_fn+0x272/0x920 [ 692.967926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.972175] ? process_timeout+0x40/0x40 [ 692.976240] ? find_held_lock+0x36/0x1c0 [ 692.980318] ? __run_timers+0x7da/0xc70 [ 692.984312] ? _raw_spin_unlock_irq+0x27/0x80 [ 692.988814] ? _raw_spin_unlock_irq+0x27/0x80 [ 692.993313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 692.997561] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 693.002163] ? trace_hardirqs_on+0xbd/0x310 [ 693.006490] ? kasan_check_read+0x11/0x20 [ 693.010647] ? __run_timers+0x7da/0xc70 [ 693.014629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 693.020098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.024348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.028600] __run_timers+0x7e5/0xc70 [ 693.032427] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 693.037805] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 693.042828] ? graph_lock+0x170/0x170 [ 693.046642] ? enqueue_hrtimer+0x1a5/0x560 [ 693.050882] ? lock_release+0x970/0x970 [ 693.054866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 693.060074] ? find_held_lock+0x36/0x1c0 [ 693.064153] ? graph_lock+0x170/0x170 [ 693.067965] ? pvclock_read_flags+0x160/0x160 [ 693.072468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.078016] ? check_preemption_disabled+0x48/0x280 [ 693.083050] ? __lock_is_held+0xb5/0x140 [ 693.087125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.092674] ? check_preemption_disabled+0x48/0x280 [ 693.097710] run_timer_softirq+0x52/0xb0 [ 693.101780] ? rcu_read_lock_sched_held+0x108/0x120 [ 693.106812] __do_softirq+0x30c/0xb03 [ 693.110640] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 693.115757] ? pvclock_read_flags+0x160/0x160 [ 693.120261] ? lapic_next_event+0x5a/0x90 [ 693.124419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.129963] ? check_preemption_disabled+0x48/0x280 [ 693.134988] ? check_preemption_disabled+0x48/0x280 [ 693.140019] ? kvm_clock_read+0x18/0x30 [ 693.143997] ? kvm_sched_clock_read+0x9/0x20 [ 693.149105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.154643] ? check_preemption_disabled+0x48/0x280 [ 693.159685] irq_exit+0x17f/0x1c0 [ 693.163150] smp_apic_timer_interrupt+0x1cb/0x760 [ 693.168002] ? smp_reschedule_interrupt+0x109/0x650 [ 693.173028] ? smp_call_function_single_interrupt+0x650/0x650 [ 693.178922] ? interrupt_entry+0xb5/0xf0 [ 693.182995] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.188037] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.193065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.197921] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.202944] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.207970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.213515] ? check_preemption_disabled+0x48/0x280 [ 693.218535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.224098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.229444] apic_timer_interrupt+0xf/0x20 [ 693.233697] [ 693.235948] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 693.240885] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 693.259790] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 693.267513] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 693.274788] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 693.282059] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 693.289336] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 693.296617] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 693.303939] skb_clone+0x1bb/0x500 [ 693.307492] ? skb_split+0x11e0/0x11e0 [ 693.311393] ? preempt_notifier_register+0x200/0x200 [ 693.316503] ? __switch_to_asm+0x34/0x70 [ 693.320594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 693.325365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 693.330144] bpf_clone_redirect+0xb9/0x490 [ 693.334396] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 693.339430] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 693.344203] ? find_held_lock+0x36/0x1c0 [ 693.348280] ? lock_acquire+0x1ed/0x520 [ 693.352263] ? bpf_test_run+0x3cb/0x780 [ 693.356243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.361790] ? check_preemption_disabled+0x48/0x280 [ 693.366821] ? kasan_check_read+0x11/0x20 [ 693.370981] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 693.376264] ? rcu_bh_qs+0xc0/0xc0 [ 693.379813] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 693.385021] ? bpf_test_run+0x25d/0x780 [ 693.389014] ? netlink_diag_dump+0x2a0/0x2a0 [ 693.393436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.398983] ? bpf_test_init.isra.10+0x70/0x100 [ 693.403667] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 693.408440] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 693.413289] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.418839] ? fput+0x130/0x1a0 [ 693.422218] ? __bpf_prog_get+0x9b/0x290 [ 693.426308] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 693.431160] ? bpf_prog_test_run+0x130/0x1a0 [ 693.435591] ? __x64_sys_bpf+0x3d8/0x520 [ 693.439663] ? bpf_prog_get+0x20/0x20 [ 693.443496] ? do_syscall_64+0x1b9/0x820 [ 693.447570] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 693.452952] ? syscall_return_slowpath+0x5e0/0x5e0 [ 693.457895] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.462917] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 693.467938] ? recalc_sigpending_tsk+0x180/0x180 [ 693.472705] ? kasan_check_write+0x14/0x20 [ 693.476959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.481821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 693.487218] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 693.487225] warn_alloc_show_mem: 1 callbacks suppressed [ 693.487232] Mem-Info: [ 693.494252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.494261] Call Trace: [ 693.499642] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 693.499642] active_file:13 inactive_file:34 isolated_file:0 [ 693.499642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 693.499642] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 693.499642] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 693.499642] free:13625 free_pcp:139 free_cma:0 [ 693.502020] [ 693.511390] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 693.513984] dump_stack+0x1c4/0x2b6 [ 693.546848] Node 0 [ 693.549022] ? dump_stack_print_info.cold.1+0x20/0x20 [ 693.576621] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 693.580267] warn_alloc.cold.119+0xb7/0x1bd [ 693.582463] lowmem_reserve[]: [ 693.587657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 693.613143] 0 2819 [ 693.617498] ? lock_downgrade+0x900/0x900 [ 693.620577] 6323 [ 693.625441] ? trace_hardirqs_off+0xb8/0x310 [ 693.627655] 6323 [ 693.631823] ? trace_hardirqs_off+0xb8/0x310 [ 693.638283] __alloc_pages_slowpath+0x265e/0x2d70 [ 693.640319] Node 0 [ 693.644758] ? warn_alloc+0x120/0x120 [ 693.649590] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 693.651800] ? trace_hardirqs_on+0x310/0x310 [ 693.655591] lowmem_reserve[]: [ 693.682849] ? warn_alloc+0x120/0x120 [ 693.687237] 0 [ 693.690348] ? print_usage_bug+0xc0/0xc0 [ 693.694138] 0 [ 693.695944] ? warn_alloc+0x120/0x120 [ 693.699982] 3503 3503 [ 693.701797] ? ktime_get+0x2e1/0x440 [ 693.708090] ? print_usage_bug+0xc0/0xc0 [ 693.711792] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 693.715885] ? __lock_acquire+0x7ec/0x4ec0 [ 693.715902] ? __lock_acquire+0x7ec/0x4ec0 [ 693.744859] lowmem_reserve[]: 0 [ 693.749126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.753334] 0 [ 693.756641] ? should_fail+0x22d/0xd01 [ 693.762152] 0 0 [ 693.763968] ? __lock_acquire+0x7ec/0x4ec0 [ 693.767835] Node 0 [ 693.769815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.774032] DMA: [ 693.776268] ? __lock_acquire+0x7ec/0x4ec0 [ 693.781351] 1*4kB [ 693.783420] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.787634] (U) [ 693.789789] ? __lock_acquire+0x7ec/0x4ec0 [ 693.794868] 0*8kB 0*16kB [ 693.796855] ? should_fail+0x22d/0xd01 [ 693.801068] 1*32kB (U) [ 693.803846] ? mark_held_locks+0x130/0x130 [ 693.807703] 2*64kB (U) [ 693.810306] ? mark_held_locks+0x130/0x130 [ 693.814518] 1*128kB [ 693.817121] ? graph_lock+0x170/0x170 [ 693.821339] (U) [ 693.823663] ? print_usage_bug+0xc0/0xc0 [ 693.827444] 1*256kB [ 693.829432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.833475] (U) [ 693.835803] ? check_preemption_disabled+0x48/0x280 [ 693.841319] 0*512kB [ 693.843299] ? check_preemption_disabled+0x48/0x280 [ 693.848295] 1*1024kB [ 693.850644] ? __lock_is_held+0xb5/0x140 [ 693.855622] (U) 1*2048kB [ 693.858053] __alloc_pages_nodemask+0xa80/0xde0 [ 693.862085] (M) [ 693.864848] ? graph_lock+0x170/0x170 [ 693.869499] 3*4096kB [ 693.871478] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 693.875257] (M) [ 693.877672] ? graph_lock+0x170/0x170 [ 693.882672] = 15908kB [ 693.884665] ? find_held_lock+0x36/0x1c0 [ 693.888434] Node 0 [ 693.890857] ? ____cache_alloc_node+0x1c7/0x1e0 [ 693.894891] DMA32: [ 693.897132] ? lock_downgrade+0x900/0x900 [ 693.901782] 3*4kB [ 693.904027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.908147] (M) 1*8kB [ 693.910315] cache_grow_begin+0x91/0x8c0 [ 693.915827] (M) [ 693.918332] ? do_raw_spin_unlock+0xa7/0x330 [ 693.922384] 3*16kB [ 693.924369] fallback_alloc+0x203/0x2e0 [ 693.928748] (UM) [ 693.930992] ____cache_alloc_node+0x1c7/0x1e0 [ 693.934941] 3*32kB [ 693.937012] kmem_cache_alloc_node+0xe3/0x730 [ 693.941481] (UM) [ 693.943729] ? ipv6_get_ifaddr+0x42e/0x620 [ 693.948217] 4*64kB (M) [ 693.950303] __alloc_skb+0x119/0x770 [ 693.954504] 3*128kB (M) [ 693.957103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 693.960803] 4*256kB [ 693.963477] ? skb_scrub_packet+0x490/0x490 [ 693.968730] (UM) [ 693.971057] ? lock_downgrade+0x900/0x900 [ 693.975360] 3*512kB [ 693.977429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.981559] (M) [ 693.983899] ? refcount_sub_and_test_checked+0x203/0x310 [ 693.989415] 3*1024kB [ 693.991397] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 693.996837] (UM) [ 693.999248] ? addrconf_rs_timer+0x690/0x690 [ 694.004673] 3*2048kB (UM) [ 694.006761] ndisc_alloc_skb+0x144/0x340 [ 694.011138] 3*4096kB (M) [ 694.014000] ndisc_send_rs+0x331/0x6e0 [ 694.018038] = 24868kB [ 694.020802] addrconf_rs_timer+0x314/0x690 [ 694.024675] Node 0 [ 694.027087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.031306] Normal: [ 694.033557] call_timer_fn+0x272/0x920 [ 694.037762] 871*4kB [ 694.040103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.043974] (MEH) 470*8kB [ 694.046312] ? process_timeout+0x40/0x40 [ 694.050526] (MEH) [ 694.053371] ? find_held_lock+0x36/0x1c0 [ 694.057416] 180*16kB [ 694.059572] ? mark_held_locks+0xc7/0x130 [ 694.063620] (UMEH) [ 694.066036] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.070156] 61*32kB (UME) [ 694.072407] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.076882] 19*64kB [ 694.079727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.084230] (UMH) [ 694.086559] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 694.090778] 0*128kB [ 694.092927] ? trace_hardirqs_on+0xbd/0x310 [ 694.097490] 0*256kB [ 694.099821] ? kasan_check_read+0x11/0x20 [ 694.104122] 0*512kB [ 694.106447] ? __run_timers+0x7da/0xc70 [ 694.110567] 0*1024kB 0*2048kB [ 694.112919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 694.116868] 0*4096kB = 13292kB [ 694.120572] ? work_on_cpu_safe+0x90/0x90 [ 694.126023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 694.129230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.133364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 694.142200] __run_timers+0x7e5/0xc70 [ 694.146418] 238 total pagecache pages [ 694.155004] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 694.158778] 0 pages in swap cache [ 694.162572] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 694.167929] Swap cache stats: add 0, delete 0, find 0/0 [ 694.171378] ? graph_lock+0x170/0x170 [ 694.176373] Free swap = 0kB [ 694.176383] Total swap = 0kB [ 694.181838] ? print_usage_bug+0xc0/0xc0 [ 694.185618] 1965979 pages RAM [ 694.188635] ? enqueue_hrtimer+0x1a5/0x560 [ 694.191631] 0 pages HighMem/MovableOnly [ 694.191641] 342306 pages reserved [ 694.195696] ? lock_release+0x970/0x970 [ 694.195715] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 694.198807] 0 pages cma reserved [ 694.203047] ? find_held_lock+0x36/0x1c0 [ 694.207079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 694.210452] ? graph_lock+0x170/0x170 [ 694.210474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.210496] ? check_preemption_disabled+0x48/0x280 [ 694.214550] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 694.219664] ? __lock_is_held+0xb5/0x140 [ 694.223005] syz-executor4 cpuset= [ 694.227072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.233542] syz4 [ 694.237355] ? check_preemption_disabled+0x48/0x280 [ 694.242874] mems_allowed=0 [ 694.247899] run_timer_softirq+0x52/0xb0 [ 694.285364] ? rcu_read_lock_sched_held+0x108/0x120 [ 694.290416] __do_softirq+0x30c/0xb03 [ 694.294238] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 694.299356] ? pvclock_read_flags+0x160/0x160 [ 694.303860] ? lapic_next_event+0x5a/0x90 [ 694.308017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.313567] ? check_preemption_disabled+0x48/0x280 [ 694.318620] ? check_preemption_disabled+0x48/0x280 [ 694.323654] ? kvm_clock_read+0x18/0x30 [ 694.327634] ? kvm_sched_clock_read+0x9/0x20 [ 694.332051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.337629] ? check_preemption_disabled+0x48/0x280 [ 694.342668] irq_exit+0x17f/0x1c0 [ 694.346134] smp_apic_timer_interrupt+0x1cb/0x760 [ 694.350986] ? smp_reschedule_interrupt+0x109/0x650 [ 694.356015] ? smp_call_function_single_interrupt+0x650/0x650 [ 694.361908] ? interrupt_entry+0xb5/0xf0 [ 694.365978] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.371000] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.376025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.380876] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.385897] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.390920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.396464] ? check_preemption_disabled+0x48/0x280 [ 694.401482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.407035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.411896] apic_timer_interrupt+0xf/0x20 [ 694.416128] [ 694.418370] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 694.423575] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 694.442495] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 694.450212] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 694.457485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 694.464759] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 694.472031] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 694.479302] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 694.486631] retint_kernel+0x1b/0x2d [ 694.490355] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 694.495664] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 694.514569] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 694.522303] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 694.529577] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 694.536872] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 694.544146] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 694.551418] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 694.558721] ? arch_local_irq_restore+0x45/0x52 [ 694.563410] dump_stack+0x26a/0x2b6 [ 694.567052] ? dump_stack_print_info.cold.1+0x20/0x20 [ 694.572254] ? mark_held_locks+0x130/0x130 [ 694.576496] ? mark_held_locks+0x130/0x130 [ 694.580745] dump_header+0x27b/0xf72 [ 694.584479] ? pagefault_out_of_memory+0x197/0x197 [ 694.589423] ? __lock_acquire+0x7ec/0x4ec0 [ 694.593675] ? print_usage_bug+0xc0/0xc0 [ 694.597751] ? graph_lock+0x170/0x170 [ 694.601554] ? graph_lock+0x170/0x170 [ 694.605381] ? print_usage_bug+0xc0/0xc0 [ 694.609446] ? print_usage_bug+0xc0/0xc0 [ 694.613519] ? print_usage_bug+0xc0/0xc0 [ 694.617617] ? find_held_lock+0x36/0x1c0 [ 694.621699] ? mark_held_locks+0xc7/0x130 [ 694.625859] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 694.630970] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 694.636079] ? lockdep_hardirqs_on+0x421/0x5c0 [ 694.640671] ? trace_hardirqs_on+0xbd/0x310 [ 694.644999] ? kasan_check_read+0x11/0x20 [ 694.649157] ? ___ratelimit+0x36f/0x655 [ 694.653141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 694.658636] ? trace_hardirqs_on+0x310/0x310 [ 694.663053] ? lock_downgrade+0x900/0x900 [ 694.667224] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 694.672334] ? ___ratelimit+0xaa/0x655 [ 694.676235] ? idr_get_free+0xec0/0xec0 [ 694.680218] ? kasan_check_write+0x14/0x20 [ 694.684462] ? do_raw_spin_lock+0xc1/0x230 [ 694.688715] oom_kill_process.cold.27+0x10/0x903 [ 694.693482] ? graph_lock+0x170/0x170 [ 694.697297] ? _raw_spin_unlock+0x2c/0x50 [ 694.701453] ? oom_badness+0xe6/0xaa0 [ 694.705273] ? oom_evaluate_task+0x540/0x540 [ 694.709703] ? find_held_lock+0x36/0x1c0 [ 694.713784] ? out_of_memory+0x974/0x1430 [ 694.717938] ? lock_downgrade+0x900/0x900 [ 694.722095] ? check_preemption_disabled+0x48/0x280 [ 694.727133] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 694.732943] ? kasan_check_read+0x11/0x20 [ 694.737109] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 694.742570] ? rcu_bh_qs+0xc0/0xc0 [ 694.746145] ? kasan_check_write+0x14/0x20 [ 694.750388] ? oom_evaluate_task+0x302/0x540 [ 694.754812] out_of_memory+0xa84/0x1430 [ 694.758809] ? oom_killer_disable+0x3a0/0x3a0 [ 694.763313] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 694.768261] ? __mutex_add_waiter+0x2a0/0x2a0 [ 694.772782] __alloc_pages_slowpath+0x230f/0x2d70 [ 694.777676] ? warn_alloc+0x120/0x120 [ 694.781487] ? __radix_tree_lookup+0x4c0/0x4c0 [ 694.786098] ? find_get_entry+0x2f2/0xc40 [ 694.790272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.796478] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 694.801754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.807307] ? should_fail+0x22d/0xd01 [ 694.811661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.816784] ? __lock_is_held+0xb5/0x140 [ 694.820889] ? __lock_is_held+0xb5/0x140 [ 694.824971] ? find_held_lock+0x36/0x1c0 [ 694.829043] ? ___might_sleep+0x1ed/0x300 [ 694.833194] ? lock_release+0x970/0x970 [ 694.837183] ? arch_local_save_flags+0x40/0x40 [ 694.841787] ? __might_sleep+0x95/0x190 [ 694.845783] __alloc_pages_nodemask+0xa80/0xde0 [ 694.850482] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 694.855515] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 694.861323] ? kasan_check_read+0x11/0x20 [ 694.865486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 694.870792] ? graph_lock+0x170/0x170 [ 694.874614] ? print_usage_bug+0xc0/0xc0 [ 694.878692] ? graph_lock+0x170/0x170 [ 694.882497] ? graph_lock+0x170/0x170 [ 694.886307] ? __do_page_cache_readahead+0x7ce/0x980 [ 694.891427] ? find_held_lock+0x36/0x1c0 [ 694.895525] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 694.901081] alloc_pages_current+0x10c/0x210 [ 694.905500] ? lock_downgrade+0x900/0x900 [ 694.909666] __page_cache_alloc+0x38f/0x5b0 [ 694.913998] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 694.919808] ? kasan_check_read+0x11/0x20 [ 694.923971] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 694.929264] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 694.933941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.939491] ? check_preemption_disabled+0x48/0x280 [ 694.944527] filemap_fault+0x1594/0x25f0 [ 694.948626] ? __lock_page_or_retry+0xa00/0xa00 [ 694.953307] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 694.959115] ? kasan_check_read+0x11/0x20 [ 694.963275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 694.968560] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 694.973694] ? rcu_bh_qs+0xc0/0xc0 [ 694.977244] ? trace_hardirqs_on+0xbd/0x310 [ 694.981575] ? kasan_check_read+0x11/0x20 [ 694.985756] ? __free_object+0x173/0x340 [ 694.989926] ? filemap_map_pages+0xdea/0x1980 [ 694.994450] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 694.999575] ? __free_object+0x173/0x340 [ 695.003668] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 695.008950] ? debug_object_free+0x325/0x690 [ 695.013369] ? find_get_pages_range_tag+0x1320/0x1320 [ 695.018573] ? graph_lock+0x170/0x170 [ 695.022411] ? kasan_check_read+0x11/0x20 [ 695.026571] ? debug_object_destroy+0x2b0/0x2b0 [ 695.031283] ? lock_acquire+0x1ed/0x520 [ 695.035268] ? ext4_filemap_fault+0x7a/0xad [ 695.039620] ? lock_release+0x970/0x970 [ 695.043616] ? arch_local_save_flags+0x40/0x40 [ 695.048216] ? futex_wait_setup+0x3e0/0x3e0 [ 695.052567] ? down_read+0xb0/0x1d0 [ 695.056219] ? ext4_filemap_fault+0x7a/0xad [ 695.060551] ? __down_interruptible+0x700/0x700 [ 695.065264] ext4_filemap_fault+0x82/0xad [ 695.069428] __do_fault+0x100/0x6b0 [ 695.073069] ? print_bad_pte+0x6c0/0x6c0 [ 695.077141] ? do_futex+0x249/0x26d0 [ 695.080863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.086412] ? check_preemption_disabled+0x48/0x280 [ 695.091438] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 695.096205] ? pmd_val+0x88/0x100 [ 695.099669] ? add_mm_counter_fast+0xd0/0xd0 [ 695.104086] ? pmd_val+0x88/0x100 [ 695.107544] ? add_mm_counter_fast+0xd0/0xd0 [ 695.111967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.117520] __handle_mm_fault+0x3709/0x53e0 [ 695.121942] ? debug_smp_processor_id+0x1c/0x20 [ 695.126634] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 695.131487] ? graph_lock+0x170/0x170 [ 695.135301] ? print_usage_bug+0xc0/0xc0 [ 695.139367] ? should_fail+0xaf/0xd01 [ 695.143176] ? graph_lock+0x170/0x170 [ 695.146988] ? graph_lock+0x170/0x170 [ 695.150818] ? handle_mm_fault+0x42a/0xc70 [ 695.155325] ? lock_downgrade+0x900/0x900 [ 695.159478] ? check_preemption_disabled+0x48/0x280 [ 695.164511] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 695.170315] ? kasan_check_read+0x11/0x20 [ 695.174473] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 695.179765] ? rcu_bh_qs+0xc0/0xc0 [ 695.183315] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 695.188785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.194341] ? check_preemption_disabled+0x48/0x280 [ 695.199379] handle_mm_fault+0x54f/0xc70 [ 695.203456] ? __handle_mm_fault+0x53e0/0x53e0 [ 695.208049] ? find_vma+0x34/0x190 [ 695.211617] __do_page_fault+0x67d/0xed0 [ 695.215702] ? mm_fault_error+0x380/0x380 [ 695.219858] ? trace_hardirqs_off+0xb8/0x310 [ 695.224270] ? trace_hardirqs_on+0x310/0x310 [ 695.228869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 695.234254] ? trace_hardirqs_on+0x310/0x310 [ 695.238680] do_page_fault+0xf2/0x7e0 [ 695.242495] ? vmalloc_sync_all+0x30/0x30 [ 695.246652] ? error_entry+0x70/0xd0 [ 695.250385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 695.255403] ? trace_hardirqs_on_caller+0xc0/0x310 [ 695.260354] ? syscall_return_slowpath+0x5e0/0x5e0 [ 695.265292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.270139] ? trace_hardirqs_on_caller+0x310/0x310 [ 695.275159] ? trace_hardirqs_off+0x310/0x310 [ 695.279681] ? prepare_exit_to_usermode+0x291/0x3b0 [ 695.284703] ? page_fault+0x8/0x30 [ 695.288251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.293101] ? page_fault+0x8/0x30 [ 695.296648] page_fault+0x1e/0x30 [ 695.300106] RIP: 0033:0x45ddf3 [ 695.303312] Code: Bad RIP value. [ 695.306680] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 695.312051] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 695.319320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 695.326607] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 695.333883] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 695.341154] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 695.348465] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 695.348551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 695.355755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.355765] Call Trace: [ 695.362372] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 695.371616] [ 695.374198] syz-fuzzer cpuset= [ 695.384433] dump_stack+0x1c4/0x2b6 [ 695.386602] / [ 695.389798] ? dump_stack_print_info.cold.1+0x20/0x20 [ 695.393407] mems_allowed=0 [ 695.395138] warn_alloc.cold.119+0xb7/0x1bd [ 695.407557] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 695.412433] ? lock_downgrade+0x900/0x900 [ 695.416610] ? trace_hardirqs_off+0xb8/0x310 [ 695.421036] ? trace_hardirqs_off+0xb8/0x310 [ 695.425467] __alloc_pages_slowpath+0x265e/0x2d70 [ 695.430359] ? warn_alloc+0x120/0x120 [ 695.434178] ? warn_alloc+0x120/0x120 [ 695.437996] ? print_usage_bug+0xc0/0xc0 [ 695.442070] ? warn_alloc+0x120/0x120 [ 695.445894] ? print_usage_bug+0xc0/0xc0 [ 695.449969] ? __lock_acquire+0x7ec/0x4ec0 [ 695.454220] ? __lock_acquire+0x7ec/0x4ec0 [ 695.458473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.464028] ? should_fail+0x22d/0xd01 [ 695.467931] ? __lock_acquire+0x7ec/0x4ec0 [ 695.472188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.477309] ? __lock_acquire+0x7ec/0x4ec0 [ 695.481563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.486686] ? __lock_acquire+0x7ec/0x4ec0 [ 695.490930] ? should_fail+0x22d/0xd01 [ 695.494840] ? mark_held_locks+0x130/0x130 [ 695.499088] ? mark_held_locks+0x130/0x130 [ 695.503351] ? graph_lock+0x170/0x170 [ 695.507172] ? print_usage_bug+0xc0/0xc0 [ 695.511247] ? wq_watchdog_touch+0x9c/0xfe [ 695.515496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.521049] ? check_preemption_disabled+0x48/0x280 [ 695.526079] ? check_preemption_disabled+0x48/0x280 [ 695.531133] ? __lock_is_held+0xb5/0x140 [ 695.535217] __alloc_pages_nodemask+0xa80/0xde0 [ 695.539894] ? graph_lock+0x170/0x170 [ 695.543712] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 695.548734] ? graph_lock+0x170/0x170 [ 695.552561] ? find_held_lock+0x36/0x1c0 [ 695.556658] ? ____cache_alloc_node+0x1c7/0x1e0 [ 695.561342] ? lock_downgrade+0x900/0x900 [ 695.565507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.571061] cache_grow_begin+0x91/0x8c0 [ 695.575137] ? do_raw_spin_unlock+0xa7/0x330 [ 695.579567] fallback_alloc+0x203/0x2e0 [ 695.583565] ____cache_alloc_node+0x1c7/0x1e0 [ 695.588092] kmem_cache_alloc_node+0xe3/0x730 [ 695.592624] ? ipv6_get_ifaddr+0x42e/0x620 [ 695.596883] __alloc_skb+0x119/0x770 [ 695.600611] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 695.605905] ? skb_scrub_packet+0x490/0x490 [ 695.610243] ? lock_downgrade+0x900/0x900 [ 695.614411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.619958] ? refcount_sub_and_test_checked+0x203/0x310 [ 695.625434] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 695.630898] ? addrconf_rs_timer+0x690/0x690 [ 695.635340] ndisc_alloc_skb+0x144/0x340 [ 695.639413] ndisc_send_rs+0x331/0x6e0 [ 695.643319] addrconf_rs_timer+0x314/0x690 [ 695.647569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.651843] call_timer_fn+0x272/0x920 [ 695.655740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.659986] ? process_timeout+0x40/0x40 [ 695.664053] ? find_held_lock+0x36/0x1c0 [ 695.668139] ? __run_timers+0x7da/0xc70 [ 695.672133] ? _raw_spin_unlock_irq+0x27/0x80 [ 695.676634] ? _raw_spin_unlock_irq+0x27/0x80 [ 695.681137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.685380] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 695.689971] ? trace_hardirqs_on+0xbd/0x310 [ 695.694306] ? kasan_check_read+0x11/0x20 [ 695.698479] ? __run_timers+0x7da/0xc70 [ 695.702470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 695.707944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.712185] __run_timers+0x7e5/0xc70 [ 695.716009] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 695.721384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 695.726408] ? graph_lock+0x170/0x170 [ 695.730220] ? enqueue_hrtimer+0x1a5/0x560 [ 695.734463] ? lock_release+0x970/0x970 [ 695.738446] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 695.743657] ? find_held_lock+0x36/0x1c0 [ 695.747726] ? graph_lock+0x170/0x170 [ 695.751558] ? pvclock_read_flags+0x160/0x160 [ 695.756070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.761631] ? check_preemption_disabled+0x48/0x280 [ 695.766670] ? __lock_is_held+0xb5/0x140 [ 695.770743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.776292] ? check_preemption_disabled+0x48/0x280 [ 695.781336] run_timer_softirq+0x52/0xb0 [ 695.785404] ? rcu_read_lock_sched_held+0x108/0x120 [ 695.790438] __do_softirq+0x30c/0xb03 [ 695.794258] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 695.799380] ? pvclock_read_flags+0x160/0x160 [ 695.803881] ? lapic_next_event+0x5a/0x90 [ 695.808039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.813604] ? check_preemption_disabled+0x48/0x280 [ 695.818636] ? check_preemption_disabled+0x48/0x280 [ 695.823672] ? kvm_clock_read+0x18/0x30 [ 695.827655] ? kvm_sched_clock_read+0x9/0x20 [ 695.832074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.837626] ? check_preemption_disabled+0x48/0x280 [ 695.842667] irq_exit+0x17f/0x1c0 [ 695.846138] smp_apic_timer_interrupt+0x1cb/0x760 [ 695.850987] ? smp_reschedule_interrupt+0x109/0x650 [ 695.856014] ? smp_call_function_single_interrupt+0x650/0x650 [ 695.861938] ? interrupt_entry+0xb5/0xf0 [ 695.866007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 695.871032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 695.876065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.880918] ? trace_hardirqs_on_caller+0x310/0x310 [ 695.885941] ? trace_hardirqs_on_caller+0x310/0x310 [ 695.890970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.896534] ? check_preemption_disabled+0x48/0x280 [ 695.901559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.907127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.911988] apic_timer_interrupt+0xf/0x20 [ 695.916230] [ 695.918476] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 695.923417] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 695.942326] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 695.950049] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 695.957323] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 695.964608] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 695.971886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 695.979161] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 695.986503] skb_clone+0x1bb/0x500 [ 695.990061] ? skb_split+0x11e0/0x11e0 [ 695.993971] ? preempt_notifier_register+0x200/0x200 [ 695.999102] ? __switch_to_asm+0x34/0x70 [ 696.003177] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 696.007947] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 696.012730] bpf_clone_redirect+0xb9/0x490 [ 696.016987] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 696.022020] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 696.026796] ? find_held_lock+0x36/0x1c0 [ 696.030874] ? lock_acquire+0x1ed/0x520 [ 696.034856] ? bpf_test_run+0x3cb/0x780 [ 696.038839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.044398] ? check_preemption_disabled+0x48/0x280 [ 696.049430] ? kasan_check_read+0x11/0x20 [ 696.053601] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 696.058894] ? rcu_bh_qs+0xc0/0xc0 [ 696.062451] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 696.067672] ? bpf_test_run+0x25d/0x780 [ 696.071683] ? netlink_diag_dump+0x2a0/0x2a0 [ 696.076129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.081678] ? bpf_test_init.isra.10+0x70/0x100 [ 696.086360] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 696.091139] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.095991] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 696.101536] ? fput+0x130/0x1a0 [ 696.104829] ? __bpf_prog_get+0x9b/0x290 [ 696.108902] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.113750] ? bpf_prog_test_run+0x130/0x1a0 [ 696.118493] ? __x64_sys_bpf+0x3d8/0x520 [ 696.122556] ? bpf_prog_get+0x20/0x20 [ 696.126400] ? do_syscall_64+0x1b9/0x820 [ 696.130474] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 696.135847] ? syscall_return_slowpath+0x5e0/0x5e0 [ 696.140791] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.145817] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 696.150841] ? recalc_sigpending_tsk+0x180/0x180 [ 696.155627] ? kasan_check_write+0x14/0x20 [ 696.159880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.164745] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 696.170148] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 696.170154] warn_alloc_show_mem: 1 callbacks suppressed [ 696.170162] Mem-Info: [ 696.177184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.177194] Call Trace: [ 696.182575] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 696.182575] active_file:13 inactive_file:34 isolated_file:0 [ 696.182575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 696.182575] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 696.182575] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 696.182575] free:13625 free_pcp:139 free_cma:0 [ 696.184967] [ 696.194342] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 696.196934] dump_stack+0x1c4/0x2b6 [ 696.229804] Node 0 [ 696.231981] ? dump_stack_print_info.cold.1+0x20/0x20 [ 696.259565] 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 [ 696.263193] warn_alloc.cold.119+0xb7/0x1bd [ 696.265395] lowmem_reserve[]: [ 696.270609] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 696.296100] 0 2819 [ 696.300462] ? lock_downgrade+0x900/0x900 [ 696.303529] 6323 6323 [ 696.308398] ? trace_hardirqs_off+0xb8/0x310 [ 696.314767] ? trace_hardirqs_off+0xb8/0x310 [ 696.317243] Node 0 [ 696.321665] __alloc_pages_slowpath+0x265e/0x2d70 [ 696.326078] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 696.328324] ? warn_alloc+0x120/0x120 [ 696.333120] lowmem_reserve[]: [ 696.360282] ? trace_hardirqs_on+0x310/0x310 [ 696.364066] 0 [ 696.367177] ? warn_alloc+0x120/0x120 [ 696.371558] 0 3503 [ 696.373391] ? print_usage_bug+0xc0/0xc0 [ 696.377164] 3503 [ 696.379423] ? warn_alloc+0x120/0x120 [ 696.383464] Node 0 [ 696.385527] ? ktime_get+0x2e1/0x440 [ 696.389339] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 696.391567] ? print_usage_bug+0xc0/0xc0 [ 696.395279] lowmem_reserve[]: [ 696.423676] ? __lock_acquire+0x7ec/0x4ec0 [ 696.427721] 0 [ 696.430832] ? __lock_acquire+0x7ec/0x4ec0 [ 696.435047] 0 [ 696.436855] ? kasan_check_read+0x11/0x20 [ 696.441059] 0 0 [ 696.442880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.447009] Node 0 [ 696.448992] ? should_fail+0x22d/0xd01 [ 696.454507] DMA: [ 696.456749] ? rcu_bh_qs+0xc0/0xc0 [ 696.460616] 1*4kB [ 696.462688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.466212] (U) [ 696.468366] ? __lock_acquire+0x7ec/0x4ec0 [ 696.473455] 0*8kB [ 696.475432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.479648] 0*16kB [ 696.481797] ? __lock_acquire+0x7ec/0x4ec0 [ 696.486881] 1*32kB [ 696.489109] ? should_fail+0x22d/0xd01 [ 696.489129] ? rcu_idle_enter+0x4b0/0x4b0 [ 696.493344] (U) [ 696.495602] ? mark_held_locks+0x130/0x130 [ 696.499456] 2*64kB (U) [ 696.503627] ? mark_held_locks+0x130/0x130 [ 696.505594] 1*128kB [ 696.509834] ? mark_held_locks+0xc7/0x130 [ 696.512399] (U) [ 696.516643] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 696.518961] 1*256kB [ 696.523114] ? graph_lock+0x170/0x170 [ 696.525073] (U) [ 696.530088] ? print_usage_bug+0xc0/0xc0 [ 696.532398] 0*512kB 1*1024kB [ 696.536238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.538198] (U) [ 696.542268] ? check_preemption_disabled+0x48/0x280 [ 696.545352] 1*2048kB [ 696.550897] ? check_preemption_disabled+0x48/0x280 [ 696.552853] (M) [ 696.557884] ? __lock_is_held+0xb5/0x140 [ 696.560258] 3*4096kB (M) [ 696.565292] __alloc_pages_nodemask+0xa80/0xde0 [ 696.567243] = 15908kB [ 696.571302] ? graph_lock+0x170/0x170 [ 696.574041] Node 0 [ 696.578711] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 696.581104] DMA32: [ 696.584912] ? graph_lock+0x170/0x170 [ 696.584942] ? find_held_lock+0x36/0x1c0 [ 696.587160] 3*4kB [ 696.592184] ? ____cache_alloc_node+0x1c7/0x1e0 [ 696.594395] (M) [ 696.598202] ? lock_downgrade+0x900/0x900 [ 696.602241] 1*8kB [ 696.604397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.609053] (M) [ 696.611036] cache_grow_begin+0x91/0x8c0 [ 696.615155] 3*16kB (UM) [ 696.617320] ? do_raw_spin_unlock+0xa7/0x330 [ 696.622828] 3*32kB (UM) [ 696.624824] fallback_alloc+0x203/0x2e0 [ 696.628862] 4*64kB [ 696.631538] ____cache_alloc_node+0x1c7/0x1e0 [ 696.635937] (M) 3*128kB [ 696.638639] kmem_cache_alloc_node+0xe3/0x730 [ 696.642612] (M) [ 696.644853] ? ipv6_get_ifaddr+0x42e/0x620 [ 696.649331] 4*256kB (UM) [ 696.652023] __alloc_skb+0x119/0x770 [ 696.656495] 3*512kB [ 696.658479] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 696.662693] (M) [ 696.665456] ? skb_scrub_packet+0x490/0x490 [ 696.669151] 3*1024kB [ 696.671476] ? lock_downgrade+0x900/0x900 [ 696.676737] (UM) [ 696.678720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.683018] 3*2048kB [ 696.685430] ? refcount_sub_and_test_checked+0x203/0x310 [ 696.689560] (UM) [ 696.691643] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 696.697164] 3*4096kB [ 696.699580] ? addrconf_rs_timer+0x690/0x690 [ 696.705019] (M) [ 696.707098] ndisc_alloc_skb+0x144/0x340 [ 696.712528] = 24868kB [ 696.714941] ndisc_send_rs+0x331/0x6e0 [ 696.719329] Node 0 [ 696.721318] addrconf_rs_timer+0x314/0x690 [ 696.725355] Normal: [ 696.727771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.731640] 871*4kB [ 696.733890] call_timer_fn+0x272/0x920 [ 696.738092] (MEH) [ 696.740419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.744632] 470*8kB (MEH) [ 696.746972] ? process_timeout+0x40/0x40 [ 696.750839] 180*16kB [ 696.752991] ? find_held_lock+0x36/0x1c0 [ 696.757201] (UMEH) 61*32kB [ 696.760072] ? mark_held_locks+0xc7/0x130 [ 696.764113] (UME) [ 696.766530] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.770569] 19*64kB [ 696.773520] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.777648] (UMH) [ 696.779803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.784299] 0*128kB 0*256kB [ 696.786637] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 696.791109] 0*512kB 0*1024kB [ 696.793274] ? trace_hardirqs_on+0xbd/0x310 [ 696.797490] 0*2048kB [ 696.800522] ? kasan_check_read+0x11/0x20 [ 696.805078] 0*4096kB = 13292kB [ 696.808839] ? __run_timers+0x7da/0xc70 [ 696.813180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 696.817096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 696.821238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 696.824426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.828384] 238 total pagecache pages [ 696.837697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.843137] 0 pages in swap cache [ 696.851717] __run_timers+0x7e5/0xc70 [ 696.855936] Swap cache stats: add 0, delete 0, find 0/0 [ 696.859746] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 696.863952] Free swap = 0kB [ 696.867431] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 696.871213] Total swap = 0kB [ 696.876578] ? graph_lock+0x170/0x170 [ 696.881932] 1965979 pages RAM [ 696.884955] ? print_usage_bug+0xc0/0xc0 [ 696.889946] 0 pages HighMem/MovableOnly [ 696.889956] 342306 pages reserved [ 696.892976] ? enqueue_hrtimer+0x1a5/0x560 [ 696.896756] 0 pages cma reserved [ 696.899859] ? lock_release+0x970/0x970 [ 696.904005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 696.907874] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 696.907897] ? find_held_lock+0x36/0x1c0 [ 696.907916] ? graph_lock+0x170/0x170 [ 696.911420] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 696.915608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.918953] syz-executor4 cpuset= [ 696.922933] ? check_preemption_disabled+0x48/0x280 [ 696.929407] syz4 [ 696.934635] ? __lock_is_held+0xb5/0x140 [ 696.938675] mems_allowed=0 [ 696.942475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.981407] ? check_preemption_disabled+0x48/0x280 [ 696.986450] run_timer_softirq+0x52/0xb0 [ 696.990518] ? rcu_read_lock_sched_held+0x108/0x120 [ 696.995542] __do_softirq+0x30c/0xb03 [ 696.999369] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 697.004491] ? pvclock_read_flags+0x160/0x160 [ 697.008993] ? lapic_next_event+0x5a/0x90 [ 697.013150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.018709] ? check_preemption_disabled+0x48/0x280 [ 697.023734] ? check_preemption_disabled+0x48/0x280 [ 697.028766] ? kvm_clock_read+0x18/0x30 [ 697.032750] ? kvm_sched_clock_read+0x9/0x20 [ 697.037171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.042722] ? check_preemption_disabled+0x48/0x280 [ 697.047760] irq_exit+0x17f/0x1c0 [ 697.051226] smp_apic_timer_interrupt+0x1cb/0x760 [ 697.056071] ? smp_reschedule_interrupt+0x109/0x650 [ 697.061096] ? smp_call_function_single_interrupt+0x650/0x650 [ 697.066993] ? interrupt_entry+0xb5/0xf0 [ 697.071062] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.076081] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.081106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.085957] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.090977] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.096004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.101553] ? check_preemption_disabled+0x48/0x280 [ 697.106608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.112170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.117035] apic_timer_interrupt+0xf/0x20 [ 697.121768] [ 697.124015] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 697.129212] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 697.148131] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 697.155852] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 697.163127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 697.170409] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 697.177684] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 697.184958] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 697.192286] retint_kernel+0x1b/0x2d [ 697.196015] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 697.201827] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 697.220740] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 697.228637] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 697.235910] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 697.243184] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 697.250456] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 697.257734] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 697.265040] ? arch_local_irq_restore+0x45/0x52 [ 697.269730] dump_stack+0x26a/0x2b6 [ 697.273369] ? dump_stack_print_info.cold.1+0x20/0x20 [ 697.278572] ? mark_held_locks+0x130/0x130 [ 697.282830] ? mark_held_locks+0x130/0x130 [ 697.287081] dump_header+0x27b/0xf72 [ 697.290819] ? pagefault_out_of_memory+0x197/0x197 [ 697.295762] ? __lock_acquire+0x7ec/0x4ec0 [ 697.300007] ? print_usage_bug+0xc0/0xc0 [ 697.304081] ? graph_lock+0x170/0x170 [ 697.307886] ? graph_lock+0x170/0x170 [ 697.311697] ? print_usage_bug+0xc0/0xc0 [ 697.315762] ? print_usage_bug+0xc0/0xc0 [ 697.319833] ? print_usage_bug+0xc0/0xc0 [ 697.323916] ? find_held_lock+0x36/0x1c0 [ 697.327992] ? mark_held_locks+0xc7/0x130 [ 697.332153] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.337265] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.342380] ? lockdep_hardirqs_on+0x421/0x5c0 [ 697.346970] ? trace_hardirqs_on+0xbd/0x310 [ 697.351300] ? kasan_check_read+0x11/0x20 [ 697.355453] ? ___ratelimit+0x36f/0x655 [ 697.359436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.364893] ? trace_hardirqs_on+0x310/0x310 [ 697.369310] ? lock_downgrade+0x900/0x900 [ 697.373473] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 697.378594] ? ___ratelimit+0xaa/0x655 [ 697.382502] ? idr_get_free+0xec0/0xec0 [ 697.386486] ? kasan_check_write+0x14/0x20 [ 697.390734] ? do_raw_spin_lock+0xc1/0x230 [ 697.394985] oom_kill_process.cold.27+0x10/0x903 [ 697.399755] ? graph_lock+0x170/0x170 [ 697.403560] ? _raw_spin_unlock+0x2c/0x50 [ 697.407730] ? oom_badness+0xe6/0xaa0 [ 697.411543] ? oom_evaluate_task+0x540/0x540 [ 697.415964] ? find_held_lock+0x36/0x1c0 [ 697.420040] ? out_of_memory+0x974/0x1430 [ 697.424193] ? lock_downgrade+0x900/0x900 [ 697.428348] ? check_preemption_disabled+0x48/0x280 [ 697.433385] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 697.439190] ? kasan_check_read+0x11/0x20 [ 697.443352] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 697.448643] ? rcu_bh_qs+0xc0/0xc0 [ 697.452198] ? kasan_check_write+0x14/0x20 [ 697.456448] ? oom_evaluate_task+0x302/0x540 [ 697.460870] out_of_memory+0xa84/0x1430 [ 697.464866] ? oom_killer_disable+0x3a0/0x3a0 [ 697.469371] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 697.474311] ? __mutex_add_waiter+0x2a0/0x2a0 [ 697.478830] __alloc_pages_slowpath+0x230f/0x2d70 [ 697.483715] ? warn_alloc+0x120/0x120 [ 697.487523] ? __radix_tree_lookup+0x4c0/0x4c0 [ 697.492127] ? find_get_entry+0x2f2/0xc40 [ 697.496321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.501887] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 697.506823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.512367] ? should_fail+0x22d/0xd01 [ 697.516266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 697.521378] ? __lock_is_held+0xb5/0x140 [ 697.525483] ? __lock_is_held+0xb5/0x140 [ 697.529568] ? find_held_lock+0x36/0x1c0 [ 697.533652] ? ___might_sleep+0x1ed/0x300 [ 697.537808] ? lock_release+0x970/0x970 [ 697.541792] ? arch_local_save_flags+0x40/0x40 [ 697.546396] ? __might_sleep+0x95/0x190 [ 697.550387] __alloc_pages_nodemask+0xa80/0xde0 [ 697.555071] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 697.561083] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 697.566891] ? kasan_check_read+0x11/0x20 [ 697.571047] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 697.576335] ? graph_lock+0x170/0x170 [ 697.580144] ? print_usage_bug+0xc0/0xc0 [ 697.584215] ? graph_lock+0x170/0x170 [ 697.588022] ? graph_lock+0x170/0x170 [ 697.591833] ? __do_page_cache_readahead+0x7ce/0x980 [ 697.596950] ? find_held_lock+0x36/0x1c0 [ 697.601051] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.606618] alloc_pages_current+0x10c/0x210 [ 697.611034] ? lock_downgrade+0x900/0x900 [ 697.615196] __page_cache_alloc+0x38f/0x5b0 [ 697.619527] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 697.626176] ? kasan_check_read+0x11/0x20 [ 697.630335] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 697.635636] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 697.640316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.645863] ? check_preemption_disabled+0x48/0x280 [ 697.650898] filemap_fault+0x1594/0x25f0 [ 697.655000] ? __lock_page_or_retry+0xa00/0xa00 [ 697.659675] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 697.665481] ? kasan_check_read+0x11/0x20 [ 697.669641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 697.674925] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.680039] ? rcu_bh_qs+0xc0/0xc0 [ 697.683607] ? trace_hardirqs_on+0xbd/0x310 [ 697.687936] ? kasan_check_read+0x11/0x20 [ 697.692095] ? __free_object+0x173/0x340 [ 697.696174] ? filemap_map_pages+0xdea/0x1980 [ 697.700690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 697.705806] ? __free_object+0x173/0x340 [ 697.709878] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 697.715177] ? debug_object_free+0x325/0x690 [ 697.719612] ? find_get_pages_range_tag+0x1320/0x1320 [ 697.724823] ? graph_lock+0x170/0x170 [ 697.728649] ? kasan_check_read+0x11/0x20 [ 697.732808] ? debug_object_destroy+0x2b0/0x2b0 [ 697.737498] ? lock_acquire+0x1ed/0x520 [ 697.741482] ? ext4_filemap_fault+0x7a/0xad [ 697.745821] ? lock_release+0x970/0x970 [ 697.749800] ? arch_local_save_flags+0x40/0x40 [ 697.754394] ? futex_wait_setup+0x3e0/0x3e0 [ 697.758742] ? down_read+0xb0/0x1d0 [ 697.762374] ? ext4_filemap_fault+0x7a/0xad [ 697.766709] ? __down_interruptible+0x700/0x700 [ 697.771407] ext4_filemap_fault+0x82/0xad [ 697.775564] __do_fault+0x100/0x6b0 [ 697.779217] ? print_bad_pte+0x6c0/0x6c0 [ 697.783290] ? do_futex+0x249/0x26d0 [ 697.787010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.792561] ? check_preemption_disabled+0x48/0x280 [ 697.797612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 697.802380] ? pmd_val+0x88/0x100 [ 697.805843] ? add_mm_counter_fast+0xd0/0xd0 [ 697.810254] ? pmd_val+0x88/0x100 [ 697.813717] ? add_mm_counter_fast+0xd0/0xd0 [ 697.818137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.823686] __handle_mm_fault+0x3709/0x53e0 [ 697.828213] ? debug_smp_processor_id+0x1c/0x20 [ 697.832903] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 697.837755] ? graph_lock+0x170/0x170 [ 697.841562] ? print_usage_bug+0xc0/0xc0 [ 697.845648] ? should_fail+0xaf/0xd01 [ 697.849458] ? graph_lock+0x170/0x170 [ 697.853263] ? graph_lock+0x170/0x170 [ 697.857091] ? handle_mm_fault+0x42a/0xc70 [ 697.861333] ? lock_downgrade+0x900/0x900 [ 697.865490] ? check_preemption_disabled+0x48/0x280 [ 697.870524] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 697.876329] ? kasan_check_read+0x11/0x20 [ 697.880486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 697.885773] ? rcu_bh_qs+0xc0/0xc0 [ 697.889322] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.894783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.900327] ? check_preemption_disabled+0x48/0x280 [ 697.905359] handle_mm_fault+0x54f/0xc70 [ 697.909432] ? __handle_mm_fault+0x53e0/0x53e0 [ 697.914023] ? find_vma+0x34/0x190 [ 697.917581] __do_page_fault+0x67d/0xed0 [ 697.921684] ? mm_fault_error+0x380/0x380 [ 697.925837] ? trace_hardirqs_off+0xb8/0x310 [ 697.930252] ? trace_hardirqs_on+0x310/0x310 [ 697.934673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 697.940045] ? trace_hardirqs_on+0x310/0x310 [ 697.944469] do_page_fault+0xf2/0x7e0 [ 697.948282] ? vmalloc_sync_all+0x30/0x30 [ 697.952437] ? error_entry+0x70/0xd0 [ 697.956159] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.961178] ? trace_hardirqs_on_caller+0xc0/0x310 [ 697.966116] ? syscall_return_slowpath+0x5e0/0x5e0 [ 697.971051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.975907] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.980928] ? trace_hardirqs_off+0x310/0x310 [ 697.985441] ? prepare_exit_to_usermode+0x291/0x3b0 [ 697.990465] ? page_fault+0x8/0x30 [ 697.994016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.998871] ? page_fault+0x8/0x30 [ 698.002419] page_fault+0x1e/0x30 [ 698.005880] RIP: 0033:0x45ddf3 [ 698.009088] Code: Bad RIP value. [ 698.012455] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 698.017827] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 698.025102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 698.032383] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 698.039660] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 698.046949] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 698.054263] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 698.054348] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 698.061557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.061563] Call Trace: [ 698.061571] [ 698.061607] dump_stack+0x1c4/0x2b6 [ 698.061628] ? dump_stack_print_info.cold.1+0x20/0x20 [ 698.068241] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 698.077504] warn_alloc.cold.119+0xb7/0x1bd [ 698.080061] syz-fuzzer cpuset= [ 698.082213] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 698.085821] / [ 698.091019] ? lock_downgrade+0x900/0x900 [ 698.101231] mems_allowed=0 [ 698.105560] ? trace_hardirqs_off+0xb8/0x310 [ 698.127000] ? trace_hardirqs_off+0xb8/0x310 [ 698.131432] __alloc_pages_slowpath+0x265e/0x2d70 [ 698.136317] ? warn_alloc+0x120/0x120 [ 698.140136] ? warn_alloc+0x120/0x120 [ 698.143950] ? print_usage_bug+0xc0/0xc0 [ 698.148022] ? warn_alloc+0x120/0x120 [ 698.151835] ? print_usage_bug+0xc0/0xc0 [ 698.155904] ? __lock_acquire+0x7ec/0x4ec0 [ 698.160147] ? __lock_acquire+0x7ec/0x4ec0 [ 698.164390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.169937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.175483] ? should_fail+0x22d/0xd01 [ 698.179386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.184497] ? __lock_acquire+0x7ec/0x4ec0 [ 698.188747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.193852] ? __lock_acquire+0x7ec/0x4ec0 [ 698.198091] ? should_fail+0x22d/0xd01 [ 698.202003] ? mark_held_locks+0x130/0x130 [ 698.206253] ? mark_held_locks+0x130/0x130 [ 698.210499] ? graph_lock+0x170/0x170 [ 698.214309] ? print_usage_bug+0xc0/0xc0 [ 698.218377] ? graph_lock+0x170/0x170 [ 698.222180] ? print_usage_bug+0xc0/0xc0 [ 698.226246] ? wq_watchdog_touch+0x9c/0xfe [ 698.230487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.236032] ? check_preemption_disabled+0x48/0x280 [ 698.241056] ? check_preemption_disabled+0x48/0x280 [ 698.246091] ? __lock_is_held+0xb5/0x140 [ 698.250176] __alloc_pages_nodemask+0xa80/0xde0 [ 698.254853] ? graph_lock+0x170/0x170 [ 698.258671] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 698.263692] ? graph_lock+0x170/0x170 [ 698.267513] ? find_held_lock+0x36/0x1c0 [ 698.271604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 698.276286] ? lock_downgrade+0x900/0x900 [ 698.280454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.286007] cache_grow_begin+0x91/0x8c0 [ 698.290077] ? do_raw_spin_unlock+0xa7/0x330 [ 698.294517] fallback_alloc+0x203/0x2e0 [ 698.298504] ____cache_alloc_node+0x1c7/0x1e0 [ 698.303011] kmem_cache_alloc_node+0xe3/0x730 [ 698.307519] ? ipv6_get_ifaddr+0x42e/0x620 [ 698.311773] __alloc_skb+0x119/0x770 [ 698.315497] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 698.320805] ? skb_scrub_packet+0x490/0x490 [ 698.325136] ? lock_downgrade+0x900/0x900 [ 698.329302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.334848] ? refcount_sub_and_test_checked+0x203/0x310 [ 698.340313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 698.345778] ? addrconf_rs_timer+0x690/0x690 [ 698.350224] ndisc_alloc_skb+0x144/0x340 [ 698.354316] ndisc_send_rs+0x331/0x6e0 [ 698.358217] addrconf_rs_timer+0x314/0x690 [ 698.362470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.366732] call_timer_fn+0x272/0x920 [ 698.370626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.374876] ? process_timeout+0x40/0x40 [ 698.378942] ? find_held_lock+0x36/0x1c0 [ 698.383024] ? __run_timers+0x7da/0xc70 [ 698.387013] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.391515] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.396018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.400259] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 698.404852] ? trace_hardirqs_on+0xbd/0x310 [ 698.409181] ? kasan_check_read+0x11/0x20 [ 698.413337] ? __run_timers+0x7da/0xc70 [ 698.417321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 698.422790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.427043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.431283] __run_timers+0x7e5/0xc70 [ 698.435113] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 698.440486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 698.445508] ? graph_lock+0x170/0x170 [ 698.449323] ? enqueue_hrtimer+0x1a5/0x560 [ 698.453560] ? lock_release+0x970/0x970 [ 698.457553] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 698.462767] ? find_held_lock+0x36/0x1c0 [ 698.466840] ? graph_lock+0x170/0x170 [ 698.470654] ? pvclock_read_flags+0x160/0x160 [ 698.475158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.480719] ? check_preemption_disabled+0x48/0x280 [ 698.485755] ? __lock_is_held+0xb5/0x140 [ 698.489827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.495375] ? check_preemption_disabled+0x48/0x280 [ 698.500415] run_timer_softirq+0x52/0xb0 [ 698.504484] ? rcu_read_lock_sched_held+0x108/0x120 [ 698.509508] __do_softirq+0x30c/0xb03 [ 698.513333] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 698.518452] ? pvclock_read_flags+0x160/0x160 [ 698.522953] ? lapic_next_event+0x5a/0x90 [ 698.527114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.532665] ? check_preemption_disabled+0x48/0x280 [ 698.537686] ? check_preemption_disabled+0x48/0x280 [ 698.542716] ? kvm_clock_read+0x18/0x30 [ 698.546698] ? kvm_sched_clock_read+0x9/0x20 [ 698.551124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.556680] ? check_preemption_disabled+0x48/0x280 [ 698.561718] irq_exit+0x17f/0x1c0 [ 698.565180] smp_apic_timer_interrupt+0x1cb/0x760 [ 698.570027] ? smp_reschedule_interrupt+0x109/0x650 [ 698.575050] ? smp_call_function_single_interrupt+0x650/0x650 [ 698.580960] ? interrupt_entry+0xb5/0xf0 [ 698.585033] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.590055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.595079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.599937] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.604957] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.609980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.615528] ? check_preemption_disabled+0x48/0x280 [ 698.620548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.626116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.630978] apic_timer_interrupt+0xf/0x20 [ 698.635209] [ 698.637457] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 698.642394] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 698.661299] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 698.669013] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 698.676285] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 698.683566] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 698.690846] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 698.698125] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 698.705449] skb_clone+0x1bb/0x500 [ 698.709002] ? skb_split+0x11e0/0x11e0 [ 698.712901] ? preempt_notifier_register+0x200/0x200 [ 698.718015] ? __switch_to_asm+0x34/0x70 [ 698.722086] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 698.726861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 698.731633] bpf_clone_redirect+0xb9/0x490 [ 698.735888] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 698.740939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 698.745715] ? find_held_lock+0x36/0x1c0 [ 698.749793] ? lock_acquire+0x1ed/0x520 [ 698.753789] ? bpf_test_run+0x3cb/0x780 [ 698.757771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.763315] ? check_preemption_disabled+0x48/0x280 [ 698.768350] ? kasan_check_read+0x11/0x20 [ 698.772509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 698.777796] ? rcu_bh_qs+0xc0/0xc0 [ 698.781352] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 698.786562] ? bpf_test_run+0x25d/0x780 [ 698.790567] ? netlink_diag_dump+0x2a0/0x2a0 [ 698.794995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.800540] ? bpf_test_init.isra.10+0x70/0x100 [ 698.805228] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 698.810004] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 698.814853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.820403] ? fput+0x130/0x1a0 [ 698.823693] ? __bpf_prog_get+0x9b/0x290 [ 698.827769] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 698.832629] ? bpf_prog_test_run+0x130/0x1a0 [ 698.837053] ? __x64_sys_bpf+0x3d8/0x520 [ 698.841127] ? bpf_prog_get+0x20/0x20 [ 698.844958] ? do_syscall_64+0x1b9/0x820 [ 698.849029] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 698.854404] ? syscall_return_slowpath+0x5e0/0x5e0 [ 698.859344] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.864372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 698.869395] ? recalc_sigpending_tsk+0x180/0x180 [ 698.874206] ? kasan_check_write+0x14/0x20 [ 698.878457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.883325] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 698.888726] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 698.888732] warn_alloc_show_mem: 1 callbacks suppressed [ 698.888740] Mem-Info: [ 698.895762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.895771] Call Trace: [ 698.901152] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 698.901152] active_file:13 inactive_file:34 isolated_file:0 [ 698.901152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 698.901152] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 698.901152] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 698.901152] free:13625 free_pcp:139 free_cma:0 [ 698.903528] [ 698.912902] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 698.915491] dump_stack+0x1c4/0x2b6 [ 698.948355] Node 0 [ 698.950516] ? dump_stack_print_info.cold.1+0x20/0x20 [ 698.978110] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 698.981723] warn_alloc.cold.119+0xb7/0x1bd [ 698.983929] lowmem_reserve[]: [ 698.989141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 699.014620] 0 2819 [ 699.018959] ? lock_downgrade+0x900/0x900 [ 699.022058] 6323 [ 699.026909] ? trace_hardirqs_off+0xb8/0x310 [ 699.029130] 6323 [ 699.033280] ? trace_hardirqs_off+0xb8/0x310 [ 699.039738] __alloc_pages_slowpath+0x265e/0x2d70 [ 699.041780] Node 0 [ 699.046218] ? warn_alloc+0x120/0x120 [ 699.051038] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 699.053250] ? trace_hardirqs_on+0x310/0x310 [ 699.057023] lowmem_reserve[]: 0 [ 699.084186] ? warn_alloc+0x120/0x120 [ 699.088590] 0 [ 699.091879] ? print_usage_bug+0xc0/0xc0 [ 699.095661] 3503 [ 699.097483] ? warn_alloc+0x120/0x120 [ 699.101528] 3503 [ 699.103610] ? ktime_get+0x2e1/0x440 [ 699.109445] ? print_usage_bug+0xc0/0xc0 [ 699.113142] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 699.117232] ? __lock_acquire+0x7ec/0x4ec0 [ 699.117249] ? __lock_acquire+0x7ec/0x4ec0 [ 699.146222] lowmem_reserve[]: 0 [ 699.150492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.154701] 0 0 [ 699.157995] ? should_fail+0x22d/0xd01 [ 699.163526] 0 [ 699.165544] ? __lock_acquire+0x7ec/0x4ec0 [ 699.171217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.175449] Node 0 [ 699.180551] ? __lock_acquire+0x7ec/0x4ec0 [ 699.180554] DMA: 1*4kB [ 699.182812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.187028] (U) [ 699.189623] ? __lock_acquire+0x7ec/0x4ec0 [ 699.189640] ? should_fail+0x22d/0xd01 [ 699.194731] 0*8kB [ 699.196714] ? mark_held_locks+0x130/0x130 [ 699.200925] 0*16kB [ 699.204818] ? mark_held_locks+0x130/0x130 [ 699.206950] 1*32kB [ 699.211191] ? graph_lock+0x170/0x170 [ 699.213406] (U) [ 699.217641] ? print_usage_bug+0xc0/0xc0 [ 699.219864] 2*64kB [ 699.223670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.226134] (U) 1*128kB [ 699.230230] ? check_preemption_disabled+0x48/0x280 [ 699.232446] (U) [ 699.237984] ? check_preemption_disabled+0x48/0x280 [ 699.240637] 1*256kB [ 699.245659] ? __lock_is_held+0xb5/0x140 [ 699.247614] (U) [ 699.252640] __alloc_pages_nodemask+0xa80/0xde0 [ 699.254937] 0*512kB 1*1024kB [ 699.259008] ? graph_lock+0x170/0x170 [ 699.260967] (U) [ 699.265642] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 699.268730] 1*2048kB [ 699.272528] ? graph_lock+0x170/0x170 [ 699.274489] (M) [ 699.279512] ? find_held_lock+0x36/0x1c0 [ 699.281903] 3*4096kB [ 699.285712] ? ____cache_alloc_node+0x1c7/0x1e0 [ 699.287667] (M) [ 699.291727] ? lock_downgrade+0x900/0x900 [ 699.294125] = 15908kB [ 699.298797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.300757] Node 0 [ 699.304913] cache_grow_begin+0x91/0x8c0 [ 699.307309] DMA32: [ 699.312846] ? do_raw_spin_unlock+0xa7/0x330 [ 699.315067] 3*4kB [ 699.319133] fallback_alloc+0x203/0x2e0 [ 699.321348] (M) [ 699.325766] ____cache_alloc_node+0x1c7/0x1e0 [ 699.327894] 1*8kB [ 699.331874] kmem_cache_alloc_node+0xe3/0x730 [ 699.333830] (M) [ 699.338334] ? ipv6_get_ifaddr+0x42e/0x620 [ 699.340467] 3*16kB [ 699.344970] __alloc_skb+0x119/0x770 [ 699.346925] (UM) [ 699.351164] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 699.353379] 3*32kB [ 699.357096] ? skb_scrub_packet+0x490/0x490 [ 699.359142] (UM) [ 699.364423] ? lock_downgrade+0x900/0x900 [ 699.366647] 4*64kB [ 699.370978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.373029] (M) 3*128kB [ 699.377195] ? refcount_sub_and_test_checked+0x203/0x310 [ 699.379416] (M) [ 699.384956] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 699.387616] 4*256kB [ 699.393068] ? addrconf_rs_timer+0x690/0x690 [ 699.395026] (UM) [ 699.400488] ndisc_alloc_skb+0x144/0x340 [ 699.402785] 3*512kB [ 699.407196] ndisc_send_rs+0x331/0x6e0 [ 699.409239] (M) [ 699.413309] addrconf_rs_timer+0x314/0x690 [ 699.415620] 3*1024kB [ 699.419508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.421485] (UM) [ 699.425736] call_timer_fn+0x272/0x920 [ 699.428119] 3*2048kB [ 699.432352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.434391] (UM) 3*4096kB [ 699.438292] ? process_timeout+0x40/0x40 [ 699.440682] (M) [ 699.444919] ? find_held_lock+0x36/0x1c0 [ 699.447743] = 24868kB [ 699.447752] Node 0 [ 699.451823] ? mark_held_locks+0xc7/0x130 [ 699.453776] Normal: [ 699.457842] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.460233] 871*4kB [ 699.462475] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.466603] (MEH) 470*8kB [ 699.468942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.473420] (MEH) [ 699.475747] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 699.480235] 180*16kB (UMEH) [ 699.483119] ? trace_hardirqs_on+0xbd/0x310 [ 699.487338] 61*32kB [ 699.489509] ? kasan_check_read+0x11/0x20 [ 699.494078] (UME) [ 699.497100] ? __run_timers+0x7da/0xc70 [ 699.501407] 19*64kB [ 699.503762] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 699.507883] (UMH) 0*128kB [ 699.510065] ? work_on_cpu_safe+0x90/0x90 [ 699.514020] 0*256kB 0*512kB [ 699.516359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.521810] 0*1024kB 0*2048kB [ 699.524674] __run_timers+0x7e5/0xc70 [ 699.528804] 0*4096kB [ 699.531838] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 699.536042] = 13292kB [ 699.539235] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 699.543022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 699.545424] ? graph_lock+0x170/0x170 [ 699.550774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 699.553177] ? print_usage_bug+0xc0/0xc0 [ 699.558177] 238 total pagecache pages [ 699.567010] ? enqueue_hrtimer+0x1a5/0x560 [ 699.570803] 0 pages in swap cache [ 699.579372] ? lock_release+0x970/0x970 [ 699.583417] Swap cache stats: add 0, delete 0, find 0/0 [ 699.587214] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 699.591431] Free swap = 0kB [ 699.594889] ? find_held_lock+0x36/0x1c0 [ 699.598846] Total swap = 0kB [ 699.604228] ? graph_lock+0x170/0x170 [ 699.609405] 1965979 pages RAM [ 699.612441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.616478] 0 pages HighMem/MovableOnly [ 699.616488] 342306 pages reserved [ 699.619524] ? check_preemption_disabled+0x48/0x280 [ 699.623300] 0 pages cma reserved [ 699.626413] ? __lock_is_held+0xb5/0x140 [ 699.632006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 699.635898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.639439] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 699.644359] ? check_preemption_disabled+0x48/0x280 [ 699.647713] syz-executor4 cpuset= [ 699.651780] run_timer_softirq+0x52/0xb0 [ 699.658248] syz4 [ 699.663796] ? rcu_read_lock_sched_held+0x108/0x120 [ 699.674265] mems_allowed=0 [ 699.679301] __do_softirq+0x30c/0xb03 [ 699.700487] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 699.705624] ? pvclock_read_flags+0x160/0x160 [ 699.710127] ? lapic_next_event+0x5a/0x90 [ 699.714286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.719831] ? check_preemption_disabled+0x48/0x280 [ 699.724857] ? check_preemption_disabled+0x48/0x280 [ 699.729889] ? kvm_clock_read+0x18/0x30 [ 699.733874] ? kvm_sched_clock_read+0x9/0x20 [ 699.738294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.743853] ? check_preemption_disabled+0x48/0x280 [ 699.748892] irq_exit+0x17f/0x1c0 [ 699.752354] smp_apic_timer_interrupt+0x1cb/0x760 [ 699.757202] ? smp_reschedule_interrupt+0x109/0x650 [ 699.762226] ? smp_call_function_single_interrupt+0x650/0x650 [ 699.768121] ? interrupt_entry+0xb5/0xf0 [ 699.772195] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.777220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.782246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.787097] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.792165] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.797192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.802738] ? check_preemption_disabled+0x48/0x280 [ 699.807764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.813318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.818178] apic_timer_interrupt+0xf/0x20 [ 699.822412] [ 699.824657] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 699.830265] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 699.849169] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 699.856885] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 699.864156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 699.872074] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 699.879353] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 699.886633] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 699.893966] retint_kernel+0x1b/0x2d [ 699.897700] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 699.902986] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 699.921908] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 699.929643] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 699.936932] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 699.944219] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 699.951501] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 699.958781] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 699.966091] ? arch_local_irq_restore+0x45/0x52 [ 699.970785] dump_stack+0x26a/0x2b6 [ 699.974434] ? dump_stack_print_info.cold.1+0x20/0x20 [ 699.979643] ? mark_held_locks+0x130/0x130 [ 699.983887] ? mark_held_locks+0x130/0x130 [ 699.988137] dump_header+0x27b/0xf72 [ 699.991872] ? pagefault_out_of_memory+0x197/0x197 [ 699.996817] ? __lock_acquire+0x7ec/0x4ec0 [ 700.001067] ? print_usage_bug+0xc0/0xc0 [ 700.005143] ? graph_lock+0x170/0x170 [ 700.008949] ? graph_lock+0x170/0x170 [ 700.012759] ? print_usage_bug+0xc0/0xc0 [ 700.016823] ? print_usage_bug+0xc0/0xc0 [ 700.020893] ? print_usage_bug+0xc0/0xc0 [ 700.024972] ? find_held_lock+0x36/0x1c0 [ 700.029048] ? mark_held_locks+0xc7/0x130 [ 700.033209] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 700.038322] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 700.043435] ? lockdep_hardirqs_on+0x421/0x5c0 [ 700.048027] ? trace_hardirqs_on+0xbd/0x310 [ 700.052357] ? kasan_check_read+0x11/0x20 [ 700.056508] ? ___ratelimit+0x36f/0x655 [ 700.060489] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 700.065951] ? trace_hardirqs_on+0x310/0x310 [ 700.071135] ? lock_downgrade+0x900/0x900 [ 700.075304] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 700.080414] ? ___ratelimit+0xaa/0x655 [ 700.084309] ? idr_get_free+0xec0/0xec0 [ 700.088295] ? kasan_check_write+0x14/0x20 [ 700.092539] ? do_raw_spin_lock+0xc1/0x230 [ 700.096788] oom_kill_process.cold.27+0x10/0x903 [ 700.101553] ? graph_lock+0x170/0x170 [ 700.105366] ? _raw_spin_unlock+0x2c/0x50 [ 700.109520] ? oom_badness+0xe6/0xaa0 [ 700.113338] ? oom_evaluate_task+0x540/0x540 [ 700.117758] ? find_held_lock+0x36/0x1c0 [ 700.122332] ? out_of_memory+0x974/0x1430 [ 700.126493] ? lock_downgrade+0x900/0x900 [ 700.130652] ? check_preemption_disabled+0x48/0x280 [ 700.135689] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 700.141494] ? kasan_check_read+0x11/0x20 [ 700.145651] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 700.150936] ? rcu_bh_qs+0xc0/0xc0 [ 700.154492] ? kasan_check_write+0x14/0x20 [ 700.158734] ? oom_evaluate_task+0x302/0x540 [ 700.163157] out_of_memory+0xa84/0x1430 [ 700.167151] ? oom_killer_disable+0x3a0/0x3a0 [ 700.171659] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 700.176615] ? __mutex_add_waiter+0x2a0/0x2a0 [ 700.181891] __alloc_pages_slowpath+0x230f/0x2d70 [ 700.186779] ? warn_alloc+0x120/0x120 [ 700.190602] ? __radix_tree_lookup+0x4c0/0x4c0 [ 700.195209] ? find_get_entry+0x2f2/0xc40 [ 700.199377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.204931] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 700.209876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.215424] ? should_fail+0x22d/0xd01 [ 700.219329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.224439] ? __lock_is_held+0xb5/0x140 [ 700.228537] ? __lock_is_held+0xb5/0x140 [ 700.232636] ? find_held_lock+0x36/0x1c0 [ 700.236714] ? ___might_sleep+0x1ed/0x300 [ 700.240866] ? lock_release+0x970/0x970 [ 700.244853] ? arch_local_save_flags+0x40/0x40 [ 700.249457] ? __might_sleep+0x95/0x190 [ 700.253452] __alloc_pages_nodemask+0xa80/0xde0 [ 700.258138] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 700.263261] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 700.269066] ? kasan_check_read+0x11/0x20 [ 700.273226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 700.278513] ? graph_lock+0x170/0x170 [ 700.282323] ? print_usage_bug+0xc0/0xc0 [ 700.286400] ? graph_lock+0x170/0x170 [ 700.290204] ? graph_lock+0x170/0x170 [ 700.294014] ? __do_page_cache_readahead+0x7ce/0x980 [ 700.299129] ? find_held_lock+0x36/0x1c0 [ 700.303209] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.308760] alloc_pages_current+0x10c/0x210 [ 700.313173] ? lock_downgrade+0x900/0x900 [ 700.317334] __page_cache_alloc+0x38f/0x5b0 [ 700.321663] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 700.327466] ? kasan_check_read+0x11/0x20 [ 700.331628] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 700.336921] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 700.341614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.347164] ? check_preemption_disabled+0x48/0x280 [ 700.352199] filemap_fault+0x1594/0x25f0 [ 700.356285] ? __lock_page_or_retry+0xa00/0xa00 [ 700.360965] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 700.366776] ? kasan_check_read+0x11/0x20 [ 700.370931] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 700.376215] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 700.381330] ? rcu_bh_qs+0xc0/0xc0 [ 700.384880] ? trace_hardirqs_on+0xbd/0x310 [ 700.389208] ? kasan_check_read+0x11/0x20 [ 700.393365] ? __free_object+0x173/0x340 [ 700.397443] ? filemap_map_pages+0xdea/0x1980 [ 700.401954] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 700.407069] ? __free_object+0x173/0x340 [ 700.411140] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 700.416449] ? debug_object_free+0x325/0x690 [ 700.420868] ? find_get_pages_range_tag+0x1320/0x1320 [ 700.426076] ? graph_lock+0x170/0x170 [ 700.429895] ? kasan_check_read+0x11/0x20 [ 700.434055] ? debug_object_destroy+0x2b0/0x2b0 [ 700.439503] ? lock_acquire+0x1ed/0x520 [ 700.443486] ? ext4_filemap_fault+0x7a/0xad [ 700.447824] ? lock_release+0x970/0x970 [ 700.451807] ? arch_local_save_flags+0x40/0x40 [ 700.456403] ? futex_wait_setup+0x3e0/0x3e0 [ 700.460749] ? down_read+0xb0/0x1d0 [ 700.464383] ? ext4_filemap_fault+0x7a/0xad [ 700.468718] ? __down_interruptible+0x700/0x700 [ 700.473421] ext4_filemap_fault+0x82/0xad [ 700.477581] __do_fault+0x100/0x6b0 [ 700.481241] ? print_bad_pte+0x6c0/0x6c0 [ 700.485311] ? do_futex+0x249/0x26d0 [ 700.489036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.494604] ? check_preemption_disabled+0x48/0x280 [ 700.499637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 700.504403] ? pmd_val+0x88/0x100 [ 700.507867] ? add_mm_counter_fast+0xd0/0xd0 [ 700.512283] ? pmd_val+0x88/0x100 [ 700.515750] ? add_mm_counter_fast+0xd0/0xd0 [ 700.520172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.525724] __handle_mm_fault+0x3709/0x53e0 [ 700.530145] ? debug_smp_processor_id+0x1c/0x20 [ 700.534837] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 700.539691] ? graph_lock+0x170/0x170 [ 700.543497] ? print_usage_bug+0xc0/0xc0 [ 700.547570] ? should_fail+0xaf/0xd01 [ 700.551393] ? graph_lock+0x170/0x170 [ 700.555285] ? graph_lock+0x170/0x170 [ 700.559119] ? handle_mm_fault+0x42a/0xc70 [ 700.563384] ? lock_downgrade+0x900/0x900 [ 700.567543] ? check_preemption_disabled+0x48/0x280 [ 700.572574] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 700.578395] ? kasan_check_read+0x11/0x20 [ 700.582550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 700.587842] ? rcu_bh_qs+0xc0/0xc0 [ 700.591387] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 700.596850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.602398] ? check_preemption_disabled+0x48/0x280 [ 700.607435] handle_mm_fault+0x54f/0xc70 [ 700.611512] ? __handle_mm_fault+0x53e0/0x53e0 [ 700.616107] ? find_vma+0x34/0x190 [ 700.619664] __do_page_fault+0x67d/0xed0 [ 700.623744] ? mm_fault_error+0x380/0x380 [ 700.627900] ? trace_hardirqs_off+0xb8/0x310 [ 700.632326] ? trace_hardirqs_on+0x310/0x310 [ 700.636761] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 700.642133] ? trace_hardirqs_on+0x310/0x310 [ 700.646559] do_page_fault+0xf2/0x7e0 [ 700.650383] ? vmalloc_sync_all+0x30/0x30 [ 700.654540] ? error_entry+0x70/0xd0 [ 700.658262] ? trace_hardirqs_off_caller+0xbb/0x310 [ 700.663282] ? trace_hardirqs_on_caller+0xc0/0x310 [ 700.668219] ? syscall_return_slowpath+0x5e0/0x5e0 [ 700.673155] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.678010] ? trace_hardirqs_on_caller+0x310/0x310 [ 700.683036] ? trace_hardirqs_off+0x310/0x310 [ 700.687551] ? prepare_exit_to_usermode+0x291/0x3b0 [ 700.692594] ? page_fault+0x8/0x30 [ 700.696154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.701007] ? page_fault+0x8/0x30 [ 700.704556] page_fault+0x1e/0x30 [ 700.708025] RIP: 0033:0x45ddf3 [ 700.711232] Code: Bad RIP value. [ 700.714615] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 700.719988] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 700.727264] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 700.734535] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 700.741809] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 700.749079] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 700.756410] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 700.756494] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 700.763702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.763708] Call Trace: [ 700.763715] [ 700.763739] dump_stack+0x1c4/0x2b6 [ 700.763761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 700.770349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 700.779629] warn_alloc.cold.119+0xb7/0x1bd [ 700.782192] syz-fuzzer cpuset= [ 700.784349] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 700.787956] / [ 700.793150] ? lock_downgrade+0x900/0x900 [ 700.803358] mems_allowed=0 [ 700.807687] ? trace_hardirqs_off+0xb8/0x310 [ 700.828864] ? trace_hardirqs_off+0xb8/0x310 [ 700.833296] __alloc_pages_slowpath+0x265e/0x2d70 [ 700.838189] ? warn_alloc+0x120/0x120 [ 700.842000] ? trace_hardirqs_on+0x310/0x310 [ 700.846422] ? warn_alloc+0x120/0x120 [ 700.850231] ? print_usage_bug+0xc0/0xc0 [ 700.854303] ? warn_alloc+0x120/0x120 [ 700.858119] ? ktime_get+0x2e1/0x440 [ 700.861842] ? print_usage_bug+0xc0/0xc0 [ 700.865916] ? __lock_acquire+0x7ec/0x4ec0 [ 700.870160] ? __lock_acquire+0x7ec/0x4ec0 [ 700.874404] ? kasan_check_read+0x11/0x20 [ 700.878563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.884123] ? should_fail+0x22d/0xd01 [ 700.888021] ? rcu_bh_qs+0xc0/0xc0 [ 700.891574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.896699] ? __lock_acquire+0x7ec/0x4ec0 [ 700.900949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.906058] ? __lock_acquire+0x7ec/0x4ec0 [ 700.910299] ? should_fail+0x22d/0xd01 [ 700.914195] ? rcu_idle_enter+0x4b0/0x4b0 [ 700.918360] ? mark_held_locks+0x130/0x130 [ 700.922615] ? mark_held_locks+0x130/0x130 [ 700.926866] ? mark_held_locks+0xc7/0x130 [ 700.931024] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 700.936049] ? graph_lock+0x170/0x170 [ 700.939854] ? print_usage_bug+0xc0/0xc0 [ 700.943931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.949478] ? check_preemption_disabled+0x48/0x280 [ 700.954503] ? check_preemption_disabled+0x48/0x280 [ 700.959539] ? __lock_is_held+0xb5/0x140 [ 700.963623] __alloc_pages_nodemask+0xa80/0xde0 [ 700.968303] ? graph_lock+0x170/0x170 [ 700.972137] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 700.977162] ? graph_lock+0x170/0x170 [ 700.980985] ? find_held_lock+0x36/0x1c0 [ 700.985094] ? ____cache_alloc_node+0x1c7/0x1e0 [ 700.989781] ? lock_downgrade+0x900/0x900 [ 700.993946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.999505] cache_grow_begin+0x91/0x8c0 [ 701.003599] ? do_raw_spin_unlock+0xa7/0x330 [ 701.008026] fallback_alloc+0x203/0x2e0 [ 701.012020] ____cache_alloc_node+0x1c7/0x1e0 [ 701.016530] kmem_cache_alloc_node+0xe3/0x730 [ 701.021033] ? ipv6_get_ifaddr+0x42e/0x620 [ 701.025289] __alloc_skb+0x119/0x770 [ 701.029011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 701.034303] ? skb_scrub_packet+0x490/0x490 [ 701.038652] ? lock_downgrade+0x900/0x900 [ 701.042823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.048386] ? refcount_sub_and_test_checked+0x203/0x310 [ 701.053851] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 701.059309] ? addrconf_rs_timer+0x690/0x690 [ 701.063739] ndisc_alloc_skb+0x144/0x340 [ 701.067818] ndisc_send_rs+0x331/0x6e0 [ 701.071721] addrconf_rs_timer+0x314/0x690 [ 701.075973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.080234] call_timer_fn+0x272/0x920 [ 701.084132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.088386] ? process_timeout+0x40/0x40 [ 701.092454] ? find_held_lock+0x36/0x1c0 [ 701.096538] ? __run_timers+0x7da/0xc70 [ 701.100531] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.105037] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.109540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.113782] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 701.118376] ? trace_hardirqs_on+0xbd/0x310 [ 701.122703] ? kasan_check_read+0x11/0x20 [ 701.126857] ? __run_timers+0x7da/0xc70 [ 701.130839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 701.136317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.140577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.144841] __run_timers+0x7e5/0xc70 [ 701.148673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 701.154314] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 701.159345] ? graph_lock+0x170/0x170 [ 701.163165] ? enqueue_hrtimer+0x1a5/0x560 [ 701.167424] ? lock_release+0x970/0x970 [ 701.171408] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 701.176623] ? find_held_lock+0x36/0x1c0 [ 701.180700] ? graph_lock+0x170/0x170 [ 701.184514] ? pvclock_read_flags+0x160/0x160 [ 701.189021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.194602] ? check_preemption_disabled+0x48/0x280 [ 701.199659] ? __lock_is_held+0xb5/0x140 [ 701.203746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.209305] ? check_preemption_disabled+0x48/0x280 [ 701.214349] run_timer_softirq+0x52/0xb0 [ 701.218425] ? rcu_read_lock_sched_held+0x108/0x120 [ 701.223459] __do_softirq+0x30c/0xb03 [ 701.227773] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 701.232896] ? pvclock_read_flags+0x160/0x160 [ 701.237405] ? lapic_next_event+0x5a/0x90 [ 701.241565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.247132] ? check_preemption_disabled+0x48/0x280 [ 701.252162] ? check_preemption_disabled+0x48/0x280 [ 701.257194] ? kvm_clock_read+0x18/0x30 [ 701.261177] ? kvm_sched_clock_read+0x9/0x20 [ 701.265608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.271159] ? check_preemption_disabled+0x48/0x280 [ 701.276200] irq_exit+0x17f/0x1c0 [ 701.279673] smp_apic_timer_interrupt+0x1cb/0x760 [ 701.284525] ? smp_reschedule_interrupt+0x109/0x650 [ 701.289554] ? smp_call_function_single_interrupt+0x650/0x650 [ 701.295460] ? interrupt_entry+0xb5/0xf0 [ 701.299534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.304557] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.309625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.314481] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.319504] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.324533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.330090] ? check_preemption_disabled+0x48/0x280 [ 701.335126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.340689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.346177] apic_timer_interrupt+0xf/0x20 [ 701.350412] [ 701.352661] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 701.357608] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 701.376529] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 701.384254] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 701.391531] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 701.398810] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 701.406089] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 701.413377] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 701.420721] skb_clone+0x1bb/0x500 [ 701.424280] ? skb_split+0x11e0/0x11e0 [ 701.428184] ? preempt_notifier_register+0x200/0x200 [ 701.433300] ? __switch_to_asm+0x34/0x70 [ 701.437380] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 701.442151] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 701.446936] bpf_clone_redirect+0xb9/0x490 [ 701.451200] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 701.456244] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 701.461034] ? find_held_lock+0x36/0x1c0 [ 701.465118] ? lock_acquire+0x1ed/0x520 [ 701.469109] ? bpf_test_run+0x3cb/0x780 [ 701.473096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.478652] ? check_preemption_disabled+0x48/0x280 [ 701.483685] ? kasan_check_read+0x11/0x20 [ 701.487846] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 701.493137] ? rcu_bh_qs+0xc0/0xc0 [ 701.496691] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 701.501903] ? bpf_test_run+0x25d/0x780 [ 701.505903] ? netlink_diag_dump+0x2a0/0x2a0 [ 701.510328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.515879] ? bpf_test_init.isra.10+0x70/0x100 [ 701.520568] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 701.525362] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.530213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.535763] ? fput+0x130/0x1a0 [ 701.539054] ? __bpf_prog_get+0x9b/0x290 [ 701.543133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.547984] ? bpf_prog_test_run+0x130/0x1a0 [ 701.552408] ? __x64_sys_bpf+0x3d8/0x520 [ 701.556477] ? bpf_prog_get+0x20/0x20 [ 701.560313] ? do_syscall_64+0x1b9/0x820 [ 701.564385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 701.569761] ? syscall_return_slowpath+0x5e0/0x5e0 [ 701.574702] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.579730] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 701.584773] ? recalc_sigpending_tsk+0x180/0x180 [ 701.589544] ? kasan_check_write+0x14/0x20 [ 701.593797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.598663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.604061] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 701.604067] warn_alloc_show_mem: 1 callbacks suppressed [ 701.604075] Mem-Info: [ 701.611111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.616490] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 701.616490] active_file:13 inactive_file:34 isolated_file:0 [ 701.616490] unevictable:0 dirty:0 writeback:0 unstable:0 [ 701.616490] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 701.616490] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 701.616490] free:13625 free_pcp:139 free_cma:0 [ 701.618870] Call Trace: [ 701.628270] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 701.661153] [ 701.663741] Node 0 [ 701.691347] dump_stack+0x1c4/0x2b6 [ 701.693503] 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 [ 701.695721] ? dump_stack_print_info.cold.1+0x20/0x20 [ 701.699329] lowmem_reserve[]: [ 701.724854] warn_alloc.cold.119+0xb7/0x1bd [ 701.730022] 0 [ 701.733131] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 701.737432] 2819 [ 701.739243] ? lock_downgrade+0x900/0x900 [ 701.744067] 6323 [ 701.746142] ? trace_hardirqs_off+0xb8/0x310 [ 701.750258] 6323 [ 701.752340] ? trace_hardirqs_off+0xb8/0x310 [ 701.756728] Node 0 [ 701.758804] __alloc_pages_slowpath+0x265e/0x2d70 [ 701.763214] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 701.765455] ? warn_alloc+0x120/0x120 [ 701.770239] lowmem_reserve[]: 0 [ 701.797412] ? trace_hardirqs_on+0x310/0x310 [ 701.801194] 0 [ 701.804493] ? warn_alloc+0x120/0x120 [ 701.808884] 3503 [ 701.810690] ? print_usage_bug+0xc0/0xc0 [ 701.814472] 3503 [ 701.816545] ? warn_alloc+0x120/0x120 [ 701.820597] Node 0 [ 701.822668] ? ktime_get+0x2e1/0x440 [ 701.826476] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 701.831180] ? print_usage_bug+0xc0/0xc0 [ 701.834878] lowmem_reserve[]: [ 701.863288] ? __lock_acquire+0x7ec/0x4ec0 [ 701.867331] 0 [ 701.870444] ? __lock_acquire+0x7ec/0x4ec0 [ 701.874655] 0 0 [ 701.876477] ? kasan_check_read+0x11/0x20 [ 701.880690] 0 [ 701.882671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.888616] ? should_fail+0x22d/0xd01 [ 701.894129] Node 0 [ 701.898020] ? rcu_bh_qs+0xc0/0xc0 [ 701.898031] DMA: [ 701.900270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.903794] 1*4kB [ 701.905857] ? __lock_acquire+0x7ec/0x4ec0 [ 701.910940] (U) [ 701.913093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.917314] 0*8kB [ 701.919289] ? __lock_acquire+0x7ec/0x4ec0 [ 701.924372] 0*16kB [ 701.926522] ? should_fail+0x22d/0xd01 [ 701.930748] 1*32kB (U) [ 701.932999] ? rcu_idle_enter+0x4b0/0x4b0 [ 701.936868] 2*64kB [ 701.939458] ? mark_held_locks+0x130/0x130 [ 701.943581] (U) [ 701.945834] ? mark_held_locks+0x130/0x130 [ 701.950042] 1*128kB (U) [ 701.952035] ? mark_held_locks+0xc7/0x130 [ 701.956251] 1*256kB [ 701.958925] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 701.963050] (U) [ 701.965384] ? graph_lock+0x170/0x170 [ 701.970376] 0*512kB 1*1024kB [ 701.972365] ? print_usage_bug+0xc0/0xc0 [ 701.976146] (U) [ 701.979255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.983306] 1*2048kB (M) [ 701.985297] ? check_preemption_disabled+0x48/0x280 [ 701.990805] 3*4096kB (M) [ 701.993576] ? check_preemption_disabled+0x48/0x280 [ 701.998581] = 15908kB [ 702.001359] ? __lock_is_held+0xb5/0x140 [ 702.006352] Node 0 [ 702.008767] __alloc_pages_nodemask+0xa80/0xde0 [ 702.012802] DMA32: [ 702.015039] ? graph_lock+0x170/0x170 [ 702.019695] 3*4kB [ 702.021932] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 702.025717] (M) [ 702.027866] ? graph_lock+0x170/0x170 [ 702.032861] 1*8kB (M) [ 702.034856] ? find_held_lock+0x36/0x1c0 [ 702.038634] 3*16kB [ 702.041144] ? ____cache_alloc_node+0x1c7/0x1e0 [ 702.045178] (UM) [ 702.047414] ? lock_downgrade+0x900/0x900 [ 702.052078] 3*32kB (UM) [ 702.054164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.058289] 4*64kB [ 702.060968] cache_grow_begin+0x91/0x8c0 [ 702.066483] (M) [ 702.068727] ? do_raw_spin_unlock+0xa7/0x330 [ 702.072766] 3*128kB (M) [ 702.074767] fallback_alloc+0x203/0x2e0 [ 702.079151] 4*256kB [ 702.081827] ____cache_alloc_node+0x1c7/0x1e0 [ 702.085780] (UM) [ 702.088110] kmem_cache_alloc_node+0xe3/0x730 [ 702.092597] 3*512kB [ 702.094667] ? ipv6_get_ifaddr+0x42e/0x620 [ 702.099142] (M) [ 702.101476] __alloc_skb+0x119/0x770 [ 702.105699] 3*1024kB (UM) [ 702.107695] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 702.111387] 3*2048kB [ 702.114236] ? skb_scrub_packet+0x490/0x490 [ 702.119735] (UM) 3*4096kB [ 702.122165] ? lock_downgrade+0x900/0x900 [ 702.126467] (M) [ 702.129330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.133456] = 24868kB [ 702.135434] ? refcount_sub_and_test_checked+0x203/0x310 [ 702.140953] Node 0 [ 702.143366] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 702.148800] Normal: [ 702.151045] ? addrconf_rs_timer+0x690/0x690 [ 702.156496] 871*4kB [ 702.158840] ndisc_alloc_skb+0x144/0x340 [ 702.163219] (MEH) [ 702.165549] ndisc_send_rs+0x331/0x6e0 [ 702.169583] 470*8kB (MEH) 180*16kB [ 702.171763] addrconf_rs_timer+0x314/0x690 [ 702.175628] (UMEH) [ 702.179964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.184183] 61*32kB [ 702.186435] call_timer_fn+0x272/0x920 [ 702.190638] (UME) [ 702.192964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.196833] 19*64kB [ 702.198990] ? process_timeout+0x40/0x40 [ 702.203202] (UMH) [ 702.205527] ? find_held_lock+0x36/0x1c0 [ 702.209562] 0*128kB 0*256kB [ 702.211745] ? mark_held_locks+0xc7/0x130 [ 702.215785] 0*512kB [ 702.218805] ? _raw_spin_unlock_irq+0x27/0x80 [ 702.222935] 0*1024kB [ 702.225261] ? _raw_spin_unlock_irq+0x27/0x80 [ 702.229737] 0*2048kB 0*4096kB [ 702.232165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.236645] = 13292kB [ 702.239840] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 702.244075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 702.246480] ? trace_hardirqs_on+0xbd/0x310 [ 702.251051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 702.259884] ? kasan_check_read+0x11/0x20 [ 702.264184] 238 total pagecache pages [ 702.272765] ? __run_timers+0x7da/0xc70 [ 702.276904] 0 pages in swap cache [ 702.280704] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 702.284661] Swap cache stats: add 0, delete 0, find 0/0 [ 702.288113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.293551] Free swap = 0kB [ 702.298914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.303133] Total swap = 0kB [ 702.306155] __run_timers+0x7e5/0xc70 [ 702.310371] 1965979 pages RAM [ 702.313406] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 702.317169] 0 pages HighMem/MovableOnly [ 702.317179] 342306 pages reserved [ 702.320288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 702.325634] 0 pages cma reserved [ 702.329620] ? graph_lock+0x170/0x170 [ 702.333139] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 702.338066] ? print_usage_bug+0xc0/0xc0 [ 702.338079] ? enqueue_hrtimer+0x1a5/0x560 [ 702.338091] ? lock_release+0x970/0x970 [ 702.338115] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 702.341534] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 702.345272] ? find_held_lock+0x36/0x1c0 [ 702.351746] syz-executor4 cpuset= [ 702.355806] ? graph_lock+0x170/0x170 [ 702.360021] syz4 [ 702.363998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.369190] mems_allowed=0 [ 702.379680] ? check_preemption_disabled+0x48/0x280 [ 702.406401] ? __lock_is_held+0xb5/0x140 [ 702.410472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.416017] ? check_preemption_disabled+0x48/0x280 [ 702.421048] run_timer_softirq+0x52/0xb0 [ 702.425119] ? rcu_read_lock_sched_held+0x108/0x120 [ 702.430146] __do_softirq+0x30c/0xb03 [ 702.433973] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 702.439091] ? pvclock_read_flags+0x160/0x160 [ 702.443947] ? lapic_next_event+0x5a/0x90 [ 702.448101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.453650] ? check_preemption_disabled+0x48/0x280 [ 702.458673] ? check_preemption_disabled+0x48/0x280 [ 702.463724] ? kvm_clock_read+0x18/0x30 [ 702.467706] ? kvm_sched_clock_read+0x9/0x20 [ 702.472144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.477689] ? check_preemption_disabled+0x48/0x280 [ 702.482731] irq_exit+0x17f/0x1c0 [ 702.486196] smp_apic_timer_interrupt+0x1cb/0x760 [ 702.491045] ? smp_reschedule_interrupt+0x109/0x650 [ 702.496069] ? smp_call_function_single_interrupt+0x650/0x650 [ 702.501963] ? interrupt_entry+0xb5/0xf0 [ 702.506034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.511056] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.516082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.520932] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.525954] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.530983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.536528] ? check_preemption_disabled+0x48/0x280 [ 702.541548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.547101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.551964] apic_timer_interrupt+0xf/0x20 [ 702.556201] [ 702.558449] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 702.563648] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 702.582554] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 702.590283] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 702.597556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 702.604833] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 702.612108] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 702.619381] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 702.626704] retint_kernel+0x1b/0x2d [ 702.630427] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 702.635714] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 702.654629] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 702.662348] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 702.669627] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 702.676899] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 702.684174] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 702.691445] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 702.698764] ? arch_local_irq_restore+0x45/0x52 [ 702.703455] dump_stack+0x26a/0x2b6 [ 702.707093] ? dump_stack_print_info.cold.1+0x20/0x20 [ 702.712298] ? mark_held_locks+0x130/0x130 [ 702.716555] ? mark_held_locks+0x130/0x130 [ 702.720818] dump_header+0x27b/0xf72 [ 702.724557] ? pagefault_out_of_memory+0x197/0x197 [ 702.729523] ? __lock_acquire+0x7ec/0x4ec0 [ 702.733768] ? print_usage_bug+0xc0/0xc0 [ 702.737844] ? graph_lock+0x170/0x170 [ 702.741647] ? graph_lock+0x170/0x170 [ 702.745455] ? print_usage_bug+0xc0/0xc0 [ 702.749524] ? print_usage_bug+0xc0/0xc0 [ 702.753612] ? print_usage_bug+0xc0/0xc0 [ 702.757704] ? find_held_lock+0x36/0x1c0 [ 702.761781] ? mark_held_locks+0xc7/0x130 [ 702.765944] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.771057] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.776169] ? lockdep_hardirqs_on+0x421/0x5c0 [ 702.780761] ? trace_hardirqs_on+0xbd/0x310 [ 702.785092] ? kasan_check_read+0x11/0x20 [ 702.789247] ? ___ratelimit+0x36f/0x655 [ 702.793232] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 702.798693] ? trace_hardirqs_on+0x310/0x310 [ 702.803113] ? lock_downgrade+0x900/0x900 [ 702.807283] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 702.812394] ? ___ratelimit+0xaa/0x655 [ 702.816291] ? idr_get_free+0xec0/0xec0 [ 702.820276] ? kasan_check_write+0x14/0x20 [ 702.824524] ? do_raw_spin_lock+0xc1/0x230 [ 702.829645] oom_kill_process.cold.27+0x10/0x903 [ 702.834415] ? graph_lock+0x170/0x170 [ 702.838224] ? _raw_spin_unlock+0x2c/0x50 [ 702.842378] ? oom_badness+0xe6/0xaa0 [ 702.846196] ? oom_evaluate_task+0x540/0x540 [ 702.850631] ? find_held_lock+0x36/0x1c0 [ 702.854707] ? out_of_memory+0x974/0x1430 [ 702.858868] ? lock_downgrade+0x900/0x900 [ 702.863022] ? check_preemption_disabled+0x48/0x280 [ 702.871831] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 702.877639] ? kasan_check_read+0x11/0x20 [ 702.881801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 702.887084] ? rcu_bh_qs+0xc0/0xc0 [ 702.890642] ? kasan_check_write+0x14/0x20 [ 702.894880] ? oom_evaluate_task+0x302/0x540 [ 702.899302] out_of_memory+0xa84/0x1430 [ 702.903294] ? oom_killer_disable+0x3a0/0x3a0 [ 702.907805] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 702.912747] ? __mutex_add_waiter+0x2a0/0x2a0 [ 702.917266] __alloc_pages_slowpath+0x230f/0x2d70 [ 702.922151] ? warn_alloc+0x120/0x120 [ 702.925960] ? __radix_tree_lookup+0x4c0/0x4c0 [ 702.930563] ? find_get_entry+0x2f2/0xc40 [ 702.934746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.940293] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 702.945231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.950782] ? should_fail+0x22d/0xd01 [ 702.954681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.959794] ? __lock_is_held+0xb5/0x140 [ 702.963896] ? __lock_is_held+0xb5/0x140 [ 702.967976] ? find_held_lock+0x36/0x1c0 [ 702.972049] ? ___might_sleep+0x1ed/0x300 [ 702.976198] ? lock_release+0x970/0x970 [ 702.980183] ? arch_local_save_flags+0x40/0x40 [ 702.984789] ? __might_sleep+0x95/0x190 [ 702.988779] __alloc_pages_nodemask+0xa80/0xde0 [ 702.993470] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 702.998497] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 703.004305] ? kasan_check_read+0x11/0x20 [ 703.008468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 703.013863] ? graph_lock+0x170/0x170 [ 703.017671] ? print_usage_bug+0xc0/0xc0 [ 703.021741] ? graph_lock+0x170/0x170 [ 703.025544] ? graph_lock+0x170/0x170 [ 703.029352] ? __do_page_cache_readahead+0x7ce/0x980 [ 703.034468] ? find_held_lock+0x36/0x1c0 [ 703.038551] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 703.044117] alloc_pages_current+0x10c/0x210 [ 703.048537] ? lock_downgrade+0x900/0x900 [ 703.052702] __page_cache_alloc+0x38f/0x5b0 [ 703.057033] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 703.062839] ? kasan_check_read+0x11/0x20 [ 703.066996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 703.072287] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 703.076968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.082515] ? check_preemption_disabled+0x48/0x280 [ 703.087552] filemap_fault+0x1594/0x25f0 [ 703.091670] ? __lock_page_or_retry+0xa00/0xa00 [ 703.096347] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 703.102150] ? kasan_check_read+0x11/0x20 [ 703.106308] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 703.111607] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 703.116723] ? rcu_bh_qs+0xc0/0xc0 [ 703.120746] ? trace_hardirqs_on+0xbd/0x310 [ 703.125076] ? kasan_check_read+0x11/0x20 [ 703.129231] ? __free_object+0x173/0x340 [ 703.133311] ? filemap_map_pages+0xdea/0x1980 [ 703.137822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 703.142935] ? __free_object+0x173/0x340 [ 703.147008] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 703.152309] ? debug_object_free+0x325/0x690 [ 703.156727] ? find_get_pages_range_tag+0x1320/0x1320 [ 703.161929] ? graph_lock+0x170/0x170 [ 703.165745] ? kasan_check_read+0x11/0x20 [ 703.169906] ? debug_object_destroy+0x2b0/0x2b0 [ 703.174611] ? lock_acquire+0x1ed/0x520 [ 703.178611] ? ext4_filemap_fault+0x7a/0xad [ 703.182950] ? lock_release+0x970/0x970 [ 703.186931] ? arch_local_save_flags+0x40/0x40 [ 703.192134] ? futex_wait_setup+0x3e0/0x3e0 [ 703.196484] ? down_read+0xb0/0x1d0 [ 703.200113] ? ext4_filemap_fault+0x7a/0xad [ 703.204446] ? __down_interruptible+0x700/0x700 [ 703.209146] ext4_filemap_fault+0x82/0xad [ 703.213304] __do_fault+0x100/0x6b0 [ 703.216940] ? print_bad_pte+0x6c0/0x6c0 [ 703.221008] ? do_futex+0x249/0x26d0 [ 703.224735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.230422] ? check_preemption_disabled+0x48/0x280 [ 703.235795] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 703.240557] ? pmd_val+0x88/0x100 [ 703.244028] ? add_mm_counter_fast+0xd0/0xd0 [ 703.248443] ? pmd_val+0x88/0x100 [ 703.251903] ? add_mm_counter_fast+0xd0/0xd0 [ 703.256328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.261897] __handle_mm_fault+0x3709/0x53e0 [ 703.266314] ? debug_smp_processor_id+0x1c/0x20 [ 703.270999] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 703.275853] ? graph_lock+0x170/0x170 [ 703.279661] ? print_usage_bug+0xc0/0xc0 [ 703.283747] ? should_fail+0xaf/0xd01 [ 703.287557] ? graph_lock+0x170/0x170 [ 703.291372] ? graph_lock+0x170/0x170 [ 703.295200] ? handle_mm_fault+0x42a/0xc70 [ 703.299442] ? lock_downgrade+0x900/0x900 [ 703.303612] ? check_preemption_disabled+0x48/0x280 [ 703.308652] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 703.314456] ? kasan_check_read+0x11/0x20 [ 703.318624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 703.323913] ? rcu_bh_qs+0xc0/0xc0 [ 703.327460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 703.332919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.338465] ? check_preemption_disabled+0x48/0x280 [ 703.343500] handle_mm_fault+0x54f/0xc70 [ 703.347574] ? __handle_mm_fault+0x53e0/0x53e0 [ 703.352178] ? find_vma+0x34/0x190 [ 703.355736] __do_page_fault+0x67d/0xed0 [ 703.359814] ? mm_fault_error+0x380/0x380 [ 703.363969] ? trace_hardirqs_off+0xb8/0x310 [ 703.368384] ? trace_hardirqs_on+0x310/0x310 [ 703.372800] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.378175] ? trace_hardirqs_on+0x310/0x310 [ 703.382613] do_page_fault+0xf2/0x7e0 [ 703.386428] ? vmalloc_sync_all+0x30/0x30 [ 703.390620] ? error_entry+0x70/0xd0 [ 703.394345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 703.399365] ? trace_hardirqs_on_caller+0xc0/0x310 [ 703.404302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.409236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.414087] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.419106] ? trace_hardirqs_off+0x310/0x310 [ 703.423626] ? prepare_exit_to_usermode+0x291/0x3b0 [ 703.428656] ? page_fault+0x8/0x30 [ 703.432208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.437059] ? page_fault+0x8/0x30 [ 703.440623] page_fault+0x1e/0x30 [ 703.444084] RIP: 0033:0x45ddf3 [ 703.447290] Code: Bad RIP value. [ 703.450659] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 703.456027] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 703.463298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 703.470594] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 703.477879] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 703.485151] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 703.492456] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 703.492543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 703.499745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.499751] Call Trace: [ 703.499759] [ 703.499782] dump_stack+0x1c4/0x2b6 [ 703.499802] ? dump_stack_print_info.cold.1+0x20/0x20 [ 703.499833] warn_alloc.cold.119+0xb7/0x1bd [ 703.506372] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 703.515661] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 703.518227] syz-fuzzer cpuset= [ 703.520382] ? lock_downgrade+0x900/0x900 [ 703.523989] / [ 703.529186] ? trace_hardirqs_off+0xb8/0x310 [ 703.533484] mems_allowed=0 [ 703.543712] ? trace_hardirqs_off+0xb8/0x310 [ 703.569330] __alloc_pages_slowpath+0x265e/0x2d70 [ 703.574219] ? warn_alloc+0x120/0x120 [ 703.578037] ? warn_alloc+0x120/0x120 [ 703.581850] ? print_usage_bug+0xc0/0xc0 [ 703.585920] ? warn_alloc+0x120/0x120 [ 703.589729] ? print_usage_bug+0xc0/0xc0 [ 703.593800] ? __lock_acquire+0x7ec/0x4ec0 [ 703.598043] ? __lock_acquire+0x7ec/0x4ec0 [ 703.602284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.607830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.613377] ? should_fail+0x22d/0xd01 [ 703.617279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.622390] ? __lock_acquire+0x7ec/0x4ec0 [ 703.626635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.631744] ? __lock_acquire+0x7ec/0x4ec0 [ 703.635982] ? should_fail+0x22d/0xd01 [ 703.639888] ? mark_held_locks+0x130/0x130 [ 703.644143] ? mark_held_locks+0x130/0x130 [ 703.648390] ? graph_lock+0x170/0x170 [ 703.652198] ? print_usage_bug+0xc0/0xc0 [ 703.656281] ? graph_lock+0x170/0x170 [ 703.660091] ? print_usage_bug+0xc0/0xc0 [ 703.664168] ? wq_watchdog_touch+0x9c/0xfe [ 703.668412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.673958] ? check_preemption_disabled+0x48/0x280 [ 703.678984] ? check_preemption_disabled+0x48/0x280 [ 703.684038] ? __lock_is_held+0xb5/0x140 [ 703.688123] __alloc_pages_nodemask+0xa80/0xde0 [ 703.692801] ? graph_lock+0x170/0x170 [ 703.696626] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 703.701665] ? graph_lock+0x170/0x170 [ 703.705489] ? find_held_lock+0x36/0x1c0 [ 703.709570] ? ____cache_alloc_node+0x1c7/0x1e0 [ 703.714254] ? lock_downgrade+0x900/0x900 [ 703.718418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.723972] cache_grow_begin+0x91/0x8c0 [ 703.728044] ? do_raw_spin_unlock+0xa7/0x330 [ 703.732468] fallback_alloc+0x203/0x2e0 [ 703.736549] ____cache_alloc_node+0x1c7/0x1e0 [ 703.741060] kmem_cache_alloc_node+0xe3/0x730 [ 703.745562] ? ipv6_get_ifaddr+0x42e/0x620 [ 703.749827] __alloc_skb+0x119/0x770 [ 703.753552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 703.758851] ? skb_scrub_packet+0x490/0x490 [ 703.763177] ? lock_downgrade+0x900/0x900 [ 703.767346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.772893] ? refcount_sub_and_test_checked+0x203/0x310 [ 703.778359] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 703.783818] ? addrconf_rs_timer+0x690/0x690 [ 703.788249] ndisc_alloc_skb+0x144/0x340 [ 703.792321] ndisc_send_rs+0x331/0x6e0 [ 703.796226] addrconf_rs_timer+0x314/0x690 [ 703.800476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.804738] call_timer_fn+0x272/0x920 [ 703.808630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.812879] ? process_timeout+0x40/0x40 [ 703.816952] ? find_held_lock+0x36/0x1c0 [ 703.821036] ? __run_timers+0x7da/0xc70 [ 703.825025] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.829528] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.834030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.838273] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 703.842871] ? trace_hardirqs_on+0xbd/0x310 [ 703.847201] ? kasan_check_read+0x11/0x20 [ 703.851358] ? __run_timers+0x7da/0xc70 [ 703.855343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 703.860805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.865055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.869301] __run_timers+0x7e5/0xc70 [ 703.873132] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 703.878508] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 703.883534] ? graph_lock+0x170/0x170 [ 703.887345] ? enqueue_hrtimer+0x1a5/0x560 [ 703.891583] ? lock_release+0x970/0x970 [ 703.895577] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 703.900794] ? find_held_lock+0x36/0x1c0 [ 703.904868] ? graph_lock+0x170/0x170 [ 703.908678] ? pvclock_read_flags+0x160/0x160 [ 703.913186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.918737] ? check_preemption_disabled+0x48/0x280 [ 703.923775] ? __lock_is_held+0xb5/0x140 [ 703.927845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.933391] ? check_preemption_disabled+0x48/0x280 [ 703.938425] run_timer_softirq+0x52/0xb0 [ 703.942499] ? rcu_read_lock_sched_held+0x108/0x120 [ 703.947528] __do_softirq+0x30c/0xb03 [ 703.951353] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 703.956476] ? pvclock_read_flags+0x160/0x160 [ 703.960990] ? lapic_next_event+0x5a/0x90 [ 703.965163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.970711] ? check_preemption_disabled+0x48/0x280 [ 703.975733] ? check_preemption_disabled+0x48/0x280 [ 703.980763] ? kvm_clock_read+0x18/0x30 [ 703.984746] ? kvm_sched_clock_read+0x9/0x20 [ 703.989163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.994714] ? check_preemption_disabled+0x48/0x280 [ 703.999754] irq_exit+0x17f/0x1c0 [ 704.003218] smp_apic_timer_interrupt+0x1cb/0x760 [ 704.008068] ? smp_reschedule_interrupt+0x109/0x650 [ 704.013106] ? smp_call_function_single_interrupt+0x650/0x650 [ 704.019003] ? interrupt_entry+0xb5/0xf0 [ 704.023075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.028110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.033138] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.037990] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.043017] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.048051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.053615] ? check_preemption_disabled+0x48/0x280 [ 704.058651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.064219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.069091] apic_timer_interrupt+0xf/0x20 [ 704.073345] [ 704.075605] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 704.080552] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 704.099477] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 704.107201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 704.114478] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 704.122141] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 704.129413] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 704.136686] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 704.144024] skb_clone+0x1bb/0x500 [ 704.147578] ? skb_split+0x11e0/0x11e0 [ 704.151490] ? preempt_notifier_register+0x200/0x200 [ 704.156610] ? __switch_to_asm+0x34/0x70 [ 704.160686] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 704.165456] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 704.170229] bpf_clone_redirect+0xb9/0x490 [ 704.174487] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 704.179524] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 704.184299] ? find_held_lock+0x36/0x1c0 [ 704.188374] ? lock_acquire+0x1ed/0x520 [ 704.192356] ? bpf_test_run+0x3cb/0x780 [ 704.196339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.201896] ? check_preemption_disabled+0x48/0x280 [ 704.206933] ? kasan_check_read+0x11/0x20 [ 704.211092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 704.216382] ? rcu_bh_qs+0xc0/0xc0 [ 704.219937] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 704.225147] ? bpf_test_run+0x25d/0x780 [ 704.229149] ? netlink_diag_dump+0x2a0/0x2a0 [ 704.233569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.239136] ? bpf_test_init.isra.10+0x70/0x100 [ 704.243820] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 704.248601] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 704.253450] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.258995] ? fput+0x130/0x1a0 [ 704.262281] ? __bpf_prog_get+0x9b/0x290 [ 704.266355] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 704.271202] ? bpf_prog_test_run+0x130/0x1a0 [ 704.275642] ? __x64_sys_bpf+0x3d8/0x520 [ 704.279711] ? bpf_prog_get+0x20/0x20 [ 704.283541] ? do_syscall_64+0x1b9/0x820 [ 704.287617] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 704.292988] ? syscall_return_slowpath+0x5e0/0x5e0 [ 704.297929] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.302955] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 704.307978] ? recalc_sigpending_tsk+0x180/0x180 [ 704.312741] ? kasan_check_write+0x14/0x20 [ 704.316989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.321850] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.327251] warn_alloc_show_mem: 1 callbacks suppressed [ 704.327264] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 704.327266] Mem-Info: [ 704.327297] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 704.327297] active_file:13 inactive_file:34 isolated_file:0 [ 704.327297] unevictable:0 dirty:0 writeback:0 unstable:0 [ 704.327297] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 704.327297] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 704.327297] free:13625 free_pcp:139 free_cma:0 [ 704.332663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.339689] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 704.342093] Call Trace: [ 704.374981] Node 0 [ 704.384349] [ 704.411966] 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 [ 704.414539] dump_stack+0x1c4/0x2b6 [ 704.416751] lowmem_reserve[]: [ 704.418905] ? dump_stack_print_info.cold.1+0x20/0x20 [ 704.444403] 0 [ 704.448064] warn_alloc.cold.119+0xb7/0x1bd [ 704.451130] 2819 [ 704.456322] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 704.458108] 6323 [ 704.462442] ? lock_downgrade+0x900/0x900 [ 704.464485] 6323 [ 704.469338] ? trace_hardirqs_off+0xb8/0x310 [ 704.471379] Node 0 [ 704.475528] ? trace_hardirqs_off+0xb8/0x310 [ 704.477608] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 704.482003] __alloc_pages_slowpath+0x265e/0x2d70 [ 704.484215] lowmem_reserve[]: [ 704.488665] ? warn_alloc+0x120/0x120 [ 704.515781] 0 0 [ 704.520671] ? warn_alloc+0x120/0x120 [ 704.523744] 3503 [ 704.527545] ? print_usage_bug+0xc0/0xc0 [ 704.529502] 3503 [ 704.533299] ? warn_alloc+0x120/0x120 [ 704.539402] ? print_usage_bug+0xc0/0xc0 [ 704.541445] Node 0 [ 704.545242] ? __lock_acquire+0x7ec/0x4ec0 [ 704.549310] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 704.551520] ? __lock_acquire+0x7ec/0x4ec0 [ 704.555737] lowmem_reserve[]: [ 704.584111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.588330] 0 [ 704.591436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.596976] 0 [ 704.598789] ? should_fail+0x22d/0xd01 [ 704.604301] 0 [ 704.606106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.609975] 0 [ 704.611780] ? __lock_acquire+0x7ec/0x4ec0 [ 704.618718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.622934] Node 0 [ 704.628041] ? __lock_acquire+0x7ec/0x4ec0 [ 704.628052] DMA: [ 704.630287] ? should_fail+0x22d/0xd01 [ 704.634505] 1*4kB [ 704.636613] ? mark_held_locks+0x130/0x130 [ 704.640459] (U) 0*8kB [ 704.642632] ? mark_held_locks+0x130/0x130 [ 704.646848] 0*16kB [ 704.649385] ? graph_lock+0x170/0x170 [ 704.653604] 1*32kB (U) [ 704.655852] ? print_usage_bug+0xc0/0xc0 [ 704.659635] 2*64kB [ 704.662218] ? graph_lock+0x170/0x170 [ 704.666282] (U) [ 704.668541] ? print_usage_bug+0xc0/0xc0 [ 704.672330] 1*128kB (U) [ 704.674316] ? wq_watchdog_touch+0x9c/0xfe [ 704.678369] 1*256kB [ 704.681054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.685267] (U) [ 704.687606] ? check_preemption_disabled+0x48/0x280 [ 704.693120] 0*512kB [ 704.695096] ? check_preemption_disabled+0x48/0x280 [ 704.700095] 1*1024kB [ 704.702426] ? __lock_is_held+0xb5/0x140 [ 704.707411] (U) 1*2048kB [ 704.709835] __alloc_pages_nodemask+0xa80/0xde0 [ 704.713866] (M) 3*4096kB [ 704.716638] ? graph_lock+0x170/0x170 [ 704.721308] (M) [ 704.724071] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 704.727852] = 15908kB [ 704.729828] ? graph_lock+0x170/0x170 [ 704.734825] Node 0 [ 704.737241] ? find_held_lock+0x36/0x1c0 [ 704.741015] DMA32: [ 704.743648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 704.747687] 3*4kB [ 704.749926] ? lock_downgrade+0x900/0x900 [ 704.754577] (M) [ 704.756746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.760864] 1*8kB (M) [ 704.762858] cache_grow_begin+0x91/0x8c0 [ 704.768366] 3*16kB (UM) [ 704.770873] ? do_raw_spin_unlock+0xa7/0x330 [ 704.774917] 3*32kB [ 704.777607] fallback_alloc+0x203/0x2e0 [ 704.781996] (UM) 4*64kB [ 704.784248] ____cache_alloc_node+0x1c7/0x1e0 [ 704.788199] (M) [ 704.790877] kmem_cache_alloc_node+0xe3/0x730 [ 704.795353] 3*128kB [ 704.797333] ? ipv6_get_ifaddr+0x42e/0x620 [ 704.801807] (M) [ 704.804136] __alloc_skb+0x119/0x770 [ 704.808344] 4*256kB [ 704.810324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 704.814022] (UM) 3*512kB [ 704.816356] ? skb_scrub_packet+0x490/0x490 [ 704.821622] (M) [ 704.824392] ? lock_downgrade+0x900/0x900 [ 704.828692] 3*1024kB (UM) [ 704.830689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.834826] 3*2048kB (UM) [ 704.837685] ? refcount_sub_and_test_checked+0x203/0x310 [ 704.843199] 3*4096kB [ 704.846045] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 704.851478] (M) [ 704.853888] ? addrconf_rs_timer+0x690/0x690 [ 704.859316] = 24868kB [ 704.861303] ndisc_alloc_skb+0x144/0x340 [ 704.865685] Node 0 [ 704.868124] ndisc_send_rs+0x331/0x6e0 [ 704.872165] Normal: [ 704.874405] addrconf_rs_timer+0x314/0x690 [ 704.878291] 871*4kB [ 704.880627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.884839] (MEH) [ 704.887175] call_timer_fn+0x272/0x920 [ 704.891377] 470*8kB [ 704.893529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.897396] (MEH) [ 704.899721] ? process_timeout+0x40/0x40 [ 704.903934] 180*16kB [ 704.906082] ? find_held_lock+0x36/0x1c0 [ 704.910123] (UMEH) [ 704.912541] ? mark_held_locks+0xc7/0x130 [ 704.916611] 61*32kB [ 704.918848] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.922965] (UME) 19*64kB [ 704.925301] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.929775] (UMH) [ 704.932635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.937111] 0*128kB [ 704.939258] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 704.943478] 0*256kB [ 704.945799] ? trace_hardirqs_on+0xbd/0x310 [ 704.950362] 0*512kB [ 704.952686] ? kasan_check_read+0x11/0x20 [ 704.956996] 0*1024kB 0*2048kB [ 704.959331] ? __run_timers+0x7da/0xc70 [ 704.963469] 0*4096kB = 13292kB [ 704.966672] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 704.970637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 704.973851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.979287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 704.988124] __run_timers+0x7e5/0xc70 [ 704.992341] 238 total pagecache pages [ 705.000932] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 705.004729] 0 pages in swap cache [ 705.008527] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 705.013866] Swap cache stats: add 0, delete 0, find 0/0 [ 705.013876] Free swap = 0kB [ 705.017328] ? graph_lock+0x170/0x170 [ 705.022329] Total swap = 0kB [ 705.027699] ? print_usage_bug+0xc0/0xc0 [ 705.030699] 1965979 pages RAM [ 705.034495] ? enqueue_hrtimer+0x1a5/0x560 [ 705.037491] 0 pages HighMem/MovableOnly [ 705.037500] 342306 pages reserved [ 705.041557] ? lock_release+0x970/0x970 [ 705.044642] 0 pages cma reserved [ 705.048871] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 705.052933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 705.056286] ? find_held_lock+0x36/0x1c0 [ 705.060393] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 705.063624] ? graph_lock+0x170/0x170 [ 705.068790] syz-executor4 cpuset= [ 705.075279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.079321] syz4 [ 705.089825] ? check_preemption_disabled+0x48/0x280 [ 705.093699] mems_allowed=0 [ 705.097161] ? __lock_is_held+0xb5/0x140 [ 705.116656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.122668] ? check_preemption_disabled+0x48/0x280 [ 705.127698] run_timer_softirq+0x52/0xb0 [ 705.131767] ? rcu_read_lock_sched_held+0x108/0x120 [ 705.136876] __do_softirq+0x30c/0xb03 [ 705.140692] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 705.145817] ? pvclock_read_flags+0x160/0x160 [ 705.150315] ? lapic_next_event+0x5a/0x90 [ 705.154472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.160014] ? check_preemption_disabled+0x48/0x280 [ 705.165032] ? check_preemption_disabled+0x48/0x280 [ 705.170063] ? kvm_clock_read+0x18/0x30 [ 705.174041] ? kvm_sched_clock_read+0x9/0x20 [ 705.178464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.184006] ? check_preemption_disabled+0x48/0x280 [ 705.189038] irq_exit+0x17f/0x1c0 [ 705.192503] smp_apic_timer_interrupt+0x1cb/0x760 [ 705.197347] ? smp_reschedule_interrupt+0x109/0x650 [ 705.202376] ? smp_call_function_single_interrupt+0x650/0x650 [ 705.208268] ? interrupt_entry+0xb5/0xf0 [ 705.212336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 705.217361] ? trace_hardirqs_off_caller+0xbb/0x310 [ 705.222383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.227379] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.232413] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.237465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.243013] ? check_preemption_disabled+0x48/0x280 [ 705.248032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.253582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.258459] apic_timer_interrupt+0xf/0x20 [ 705.262698] [ 705.264946] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 705.270147] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 705.289054] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 705.296770] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 705.304043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 705.311318] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 705.318615] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 705.325888] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 705.333211] retint_kernel+0x1b/0x2d [ 705.336974] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 705.342262] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 705.361172] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 705.368897] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 705.376171] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 705.383448] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 705.390720] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 705.398078] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 705.405401] ? arch_local_irq_restore+0x45/0x52 [ 705.410088] dump_stack+0x26a/0x2b6 [ 705.413726] ? dump_stack_print_info.cold.1+0x20/0x20 [ 705.418926] ? mark_held_locks+0x130/0x130 [ 705.423185] ? mark_held_locks+0x130/0x130 [ 705.427435] dump_header+0x27b/0xf72 [ 705.431171] ? pagefault_out_of_memory+0x197/0x197 [ 705.436113] ? __lock_acquire+0x7ec/0x4ec0 [ 705.440358] ? print_usage_bug+0xc0/0xc0 [ 705.444432] ? graph_lock+0x170/0x170 [ 705.448231] ? graph_lock+0x170/0x170 [ 705.452035] ? print_usage_bug+0xc0/0xc0 [ 705.456107] ? print_usage_bug+0xc0/0xc0 [ 705.460178] ? print_usage_bug+0xc0/0xc0 [ 705.464262] ? find_held_lock+0x36/0x1c0 [ 705.468345] ? mark_held_locks+0xc7/0x130 [ 705.472505] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 705.477623] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 705.482731] ? lockdep_hardirqs_on+0x421/0x5c0 [ 705.487328] ? trace_hardirqs_on+0xbd/0x310 [ 705.491660] ? kasan_check_read+0x11/0x20 [ 705.495813] ? ___ratelimit+0x36f/0x655 [ 705.499794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 705.505253] ? trace_hardirqs_on+0x310/0x310 [ 705.509669] ? lock_downgrade+0x900/0x900 [ 705.513833] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 705.518944] ? ___ratelimit+0xaa/0x655 [ 705.522839] ? idr_get_free+0xec0/0xec0 [ 705.526822] ? kasan_check_write+0x14/0x20 [ 705.531064] ? do_raw_spin_lock+0xc1/0x230 [ 705.535310] oom_kill_process.cold.27+0x10/0x903 [ 705.540074] ? graph_lock+0x170/0x170 [ 705.543886] ? _raw_spin_unlock+0x2c/0x50 [ 705.548046] ? oom_badness+0xe6/0xaa0 [ 705.551859] ? oom_evaluate_task+0x540/0x540 [ 705.556278] ? find_held_lock+0x36/0x1c0 [ 705.560351] ? out_of_memory+0x974/0x1430 [ 705.564507] ? lock_downgrade+0x900/0x900 [ 705.568662] ? check_preemption_disabled+0x48/0x280 [ 705.573700] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 705.579509] ? kasan_check_read+0x11/0x20 [ 705.583668] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 705.588951] ? rcu_bh_qs+0xc0/0xc0 [ 705.592501] ? kasan_check_write+0x14/0x20 [ 705.596739] ? oom_evaluate_task+0x302/0x540 [ 705.601161] out_of_memory+0xa84/0x1430 [ 705.605154] ? oom_killer_disable+0x3a0/0x3a0 [ 705.610269] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 705.615217] ? __mutex_add_waiter+0x2a0/0x2a0 [ 705.619739] __alloc_pages_slowpath+0x230f/0x2d70 [ 705.624641] ? warn_alloc+0x120/0x120 [ 705.628465] ? __radix_tree_lookup+0x4c0/0x4c0 [ 705.633074] ? find_get_entry+0x2f2/0xc40 [ 705.637241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.642792] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 705.647729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.653273] ? should_fail+0x22d/0xd01 [ 705.657180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.662292] ? __lock_is_held+0xb5/0x140 [ 705.666388] ? __lock_is_held+0xb5/0x140 [ 705.670466] ? find_held_lock+0x36/0x1c0 [ 705.674537] ? ___might_sleep+0x1ed/0x300 [ 705.678690] ? lock_release+0x970/0x970 [ 705.682672] ? arch_local_save_flags+0x40/0x40 [ 705.687273] ? __might_sleep+0x95/0x190 [ 705.691260] __alloc_pages_nodemask+0xa80/0xde0 [ 705.695945] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 705.700972] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 705.706778] ? kasan_check_read+0x11/0x20 [ 705.710939] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 705.716224] ? graph_lock+0x170/0x170 [ 705.720029] ? print_usage_bug+0xc0/0xc0 [ 705.724098] ? graph_lock+0x170/0x170 [ 705.727900] ? graph_lock+0x170/0x170 [ 705.731709] ? __do_page_cache_readahead+0x7ce/0x980 [ 705.736825] ? find_held_lock+0x36/0x1c0 [ 705.740896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 705.746442] alloc_pages_current+0x10c/0x210 [ 705.750857] ? lock_downgrade+0x900/0x900 [ 705.755018] __page_cache_alloc+0x38f/0x5b0 [ 705.759343] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 705.765142] ? kasan_check_read+0x11/0x20 [ 705.769298] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 705.774596] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 705.779283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.784834] ? check_preemption_disabled+0x48/0x280 [ 705.789870] filemap_fault+0x1594/0x25f0 [ 705.793954] ? __lock_page_or_retry+0xa00/0xa00 [ 705.798642] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 705.804447] ? kasan_check_read+0x11/0x20 [ 705.808620] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 705.813908] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 705.819973] ? rcu_bh_qs+0xc0/0xc0 [ 705.823524] ? trace_hardirqs_on+0xbd/0x310 [ 705.827850] ? kasan_check_read+0x11/0x20 [ 705.832012] ? __free_object+0x173/0x340 [ 705.837012] ? filemap_map_pages+0xdea/0x1980 [ 705.841524] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 705.846657] ? __free_object+0x173/0x340 [ 705.850728] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 705.856006] ? debug_object_free+0x325/0x690 [ 705.860427] ? find_get_pages_range_tag+0x1320/0x1320 [ 705.865644] ? graph_lock+0x170/0x170 [ 705.869479] ? kasan_check_read+0x11/0x20 [ 705.873644] ? debug_object_destroy+0x2b0/0x2b0 [ 705.878333] ? lock_acquire+0x1ed/0x520 [ 705.882315] ? ext4_filemap_fault+0x7a/0xad [ 705.886665] ? lock_release+0x970/0x970 [ 705.890647] ? arch_local_save_flags+0x40/0x40 [ 705.895241] ? futex_wait_setup+0x3e0/0x3e0 [ 705.899584] ? down_read+0xb0/0x1d0 [ 705.903233] ? ext4_filemap_fault+0x7a/0xad [ 705.907565] ? __down_interruptible+0x700/0x700 [ 705.912276] ext4_filemap_fault+0x82/0xad [ 705.916439] __do_fault+0x100/0x6b0 [ 705.920079] ? print_bad_pte+0x6c0/0x6c0 [ 705.924152] ? do_futex+0x249/0x26d0 [ 705.927876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.933425] ? check_preemption_disabled+0x48/0x280 [ 705.938466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 705.943240] ? pmd_val+0x88/0x100 [ 705.946705] ? add_mm_counter_fast+0xd0/0xd0 [ 705.951125] ? pmd_val+0x88/0x100 [ 705.954586] ? add_mm_counter_fast+0xd0/0xd0 [ 705.959022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.964570] __handle_mm_fault+0x3709/0x53e0 [ 705.969000] ? debug_smp_processor_id+0x1c/0x20 [ 705.973687] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 705.978538] ? graph_lock+0x170/0x170 [ 705.982350] ? print_usage_bug+0xc0/0xc0 [ 705.986419] ? should_fail+0xaf/0xd01 [ 705.990228] ? graph_lock+0x170/0x170 [ 705.994035] ? graph_lock+0x170/0x170 [ 705.997861] ? handle_mm_fault+0x42a/0xc70 [ 706.002103] ? lock_downgrade+0x900/0x900 [ 706.006258] ? check_preemption_disabled+0x48/0x280 [ 706.011307] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 706.017111] ? kasan_check_read+0x11/0x20 [ 706.021269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 706.026551] ? rcu_bh_qs+0xc0/0xc0 [ 706.030094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.035549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.041094] ? check_preemption_disabled+0x48/0x280 [ 706.046126] handle_mm_fault+0x54f/0xc70 [ 706.050202] ? __handle_mm_fault+0x53e0/0x53e0 [ 706.054800] ? find_vma+0x34/0x190 [ 706.058355] __do_page_fault+0x67d/0xed0 [ 706.062432] ? mm_fault_error+0x380/0x380 [ 706.066598] ? trace_hardirqs_off+0xb8/0x310 [ 706.071025] ? trace_hardirqs_on+0x310/0x310 [ 706.075447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.080819] ? trace_hardirqs_on+0x310/0x310 [ 706.085242] do_page_fault+0xf2/0x7e0 [ 706.089072] ? vmalloc_sync_all+0x30/0x30 [ 706.093227] ? error_entry+0x70/0xd0 [ 706.096946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.101966] ? trace_hardirqs_on_caller+0xc0/0x310 [ 706.106902] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.111835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.116686] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.122129] ? trace_hardirqs_off+0x310/0x310 [ 706.126645] ? prepare_exit_to_usermode+0x291/0x3b0 [ 706.131667] ? page_fault+0x8/0x30 [ 706.135214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.140065] ? page_fault+0x8/0x30 [ 706.143621] page_fault+0x1e/0x30 [ 706.147081] RIP: 0033:0x45ddf3 [ 706.150282] Code: Bad RIP value. [ 706.153646] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 706.159015] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 706.166290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 706.173572] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 706.180871] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 706.188152] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 706.195473] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 706.195565] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 706.202782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.202788] Call Trace: [ 706.202796] [ 706.202822] dump_stack+0x1c4/0x2b6 [ 706.202847] ? dump_stack_print_info.cold.1+0x20/0x20 [ 706.209457] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.218731] warn_alloc.cold.119+0xb7/0x1bd [ 706.221285] syz-fuzzer cpuset= [ 706.223438] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.227044] / [ 706.232238] ? lock_downgrade+0x900/0x900 [ 706.242444] mems_allowed=0 [ 706.246772] ? trace_hardirqs_off+0xb8/0x310 [ 706.267994] ? trace_hardirqs_off+0xb8/0x310 [ 706.272424] __alloc_pages_slowpath+0x265e/0x2d70 [ 706.277318] ? mark_held_locks+0x130/0x130 [ 706.281566] ? warn_alloc+0x120/0x120 [ 706.285389] ? warn_alloc+0x120/0x120 [ 706.289196] ? print_usage_bug+0xc0/0xc0 [ 706.293261] ? warn_alloc+0x120/0x120 [ 706.297065] ? print_usage_bug+0xc0/0xc0 [ 706.301141] ? graph_lock+0x170/0x170 [ 706.304950] ? kvm_sched_clock_read+0x9/0x20 [ 706.309366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.314911] ? should_fail+0x22d/0xd01 [ 706.318807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.323932] ? __lock_acquire+0x7ec/0x4ec0 [ 706.328178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.333284] ? __lock_acquire+0x7ec/0x4ec0 [ 706.337523] ? should_fail+0x22d/0xd01 [ 706.341427] ? mark_held_locks+0x130/0x130 [ 706.345671] ? mark_held_locks+0x130/0x130 [ 706.349911] ? __account_cfs_rq_runtime+0x790/0x790 [ 706.354937] ? select_task_rq_fair+0x7ab/0x33a0 [ 706.359616] ? lock_downgrade+0x900/0x900 [ 706.363779] ? check_preemption_disabled+0x48/0x280 [ 706.368800] ? graph_lock+0x170/0x170 [ 706.372629] ? print_usage_bug+0xc0/0xc0 [ 706.376703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.382245] ? check_preemption_disabled+0x48/0x280 [ 706.387265] ? check_preemption_disabled+0x48/0x280 [ 706.392313] ? __lock_is_held+0xb5/0x140 [ 706.396389] __alloc_pages_nodemask+0xa80/0xde0 [ 706.401063] ? graph_lock+0x170/0x170 [ 706.404875] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 706.409893] ? graph_lock+0x170/0x170 [ 706.413716] ? find_held_lock+0x36/0x1c0 [ 706.417802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 706.422478] ? lock_downgrade+0x900/0x900 [ 706.426643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.432197] cache_grow_begin+0x91/0x8c0 [ 706.436264] ? do_raw_spin_unlock+0xa7/0x330 [ 706.440689] fallback_alloc+0x203/0x2e0 [ 706.444678] ____cache_alloc_node+0x1c7/0x1e0 [ 706.449182] kmem_cache_alloc_node+0xe3/0x730 [ 706.453682] ? ipv6_get_ifaddr+0x42e/0x620 [ 706.457955] __alloc_skb+0x119/0x770 [ 706.461674] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 706.466962] ? skb_scrub_packet+0x490/0x490 [ 706.471306] ? lock_downgrade+0x900/0x900 [ 706.475483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.481025] ? refcount_sub_and_test_checked+0x203/0x310 [ 706.486501] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 706.491958] ? addrconf_rs_timer+0x690/0x690 [ 706.496409] ndisc_alloc_skb+0x144/0x340 [ 706.500498] ndisc_send_rs+0x331/0x6e0 [ 706.504406] addrconf_rs_timer+0x314/0x690 [ 706.508657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.512916] call_timer_fn+0x272/0x920 [ 706.516807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.521046] ? process_timeout+0x40/0x40 [ 706.525122] ? find_held_lock+0x36/0x1c0 [ 706.529197] ? __run_timers+0x7da/0xc70 [ 706.533207] ? _raw_spin_unlock_irq+0x27/0x80 [ 706.537707] ? _raw_spin_unlock_irq+0x27/0x80 [ 706.542206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.546442] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 706.551032] ? trace_hardirqs_on+0xbd/0x310 [ 706.555355] ? kasan_check_read+0x11/0x20 [ 706.559506] ? __run_timers+0x7da/0xc70 [ 706.563504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.568984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 706.573240] __run_timers+0x7e5/0xc70 [ 706.577073] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 706.582449] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 706.587497] ? graph_lock+0x170/0x170 [ 706.591309] ? enqueue_hrtimer+0x1a5/0x560 [ 706.595545] ? lock_release+0x970/0x970 [ 706.599528] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 706.604730] ? find_held_lock+0x36/0x1c0 [ 706.608799] ? graph_lock+0x170/0x170 [ 706.612616] ? pvclock_read_flags+0x160/0x160 [ 706.617123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.622668] ? check_preemption_disabled+0x48/0x280 [ 706.627702] ? __lock_is_held+0xb5/0x140 [ 706.631770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.637312] ? check_preemption_disabled+0x48/0x280 [ 706.642348] run_timer_softirq+0x52/0xb0 [ 706.646412] ? rcu_read_lock_sched_held+0x108/0x120 [ 706.651437] __do_softirq+0x30c/0xb03 [ 706.655254] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 706.660376] ? pvclock_read_flags+0x160/0x160 [ 706.664883] ? lapic_next_event+0x5a/0x90 [ 706.669039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.674585] ? check_preemption_disabled+0x48/0x280 [ 706.679621] ? check_preemption_disabled+0x48/0x280 [ 706.684650] ? kvm_clock_read+0x18/0x30 [ 706.688632] ? kvm_sched_clock_read+0x9/0x20 [ 706.693048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.698610] ? check_preemption_disabled+0x48/0x280 [ 706.703658] irq_exit+0x17f/0x1c0 [ 706.707120] smp_apic_timer_interrupt+0x1cb/0x760 [ 706.711978] ? smp_reschedule_interrupt+0x109/0x650 [ 706.716998] ? smp_call_function_single_interrupt+0x650/0x650 [ 706.722890] ? interrupt_entry+0xb5/0xf0 [ 706.726969] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.732005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.737029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.741875] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.746895] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.751918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.757486] ? check_preemption_disabled+0x48/0x280 [ 706.762505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.768054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.772912] apic_timer_interrupt+0xf/0x20 [ 706.777147] [ 706.779395] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 706.784333] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 706.803236] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 706.810950] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 706.818219] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 706.825494] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 706.832768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 706.840040] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 706.847376] skb_clone+0x1bb/0x500 [ 706.850932] ? skb_split+0x11e0/0x11e0 [ 706.854833] ? preempt_notifier_register+0x200/0x200 [ 706.859943] ? __switch_to_asm+0x34/0x70 [ 706.864016] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 706.868782] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 706.873557] bpf_clone_redirect+0xb9/0x490 [ 706.877817] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 706.882850] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 706.887627] ? find_held_lock+0x36/0x1c0 [ 706.891714] ? lock_acquire+0x1ed/0x520 [ 706.895700] ? bpf_test_run+0x3cb/0x780 [ 706.899685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.905232] ? check_preemption_disabled+0x48/0x280 [ 706.910267] ? kasan_check_read+0x11/0x20 [ 706.914458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 706.919741] ? rcu_bh_qs+0xc0/0xc0 [ 706.923290] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 706.928506] ? bpf_test_run+0x25d/0x780 [ 706.932508] ? netlink_diag_dump+0x2a0/0x2a0 [ 706.936942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.942483] ? bpf_test_init.isra.10+0x70/0x100 [ 706.947161] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 706.951937] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.956782] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.962325] ? fput+0x130/0x1a0 [ 706.965616] ? __bpf_prog_get+0x9b/0x290 [ 706.969690] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.974540] ? bpf_prog_test_run+0x130/0x1a0 [ 706.978958] ? __x64_sys_bpf+0x3d8/0x520 [ 706.983027] ? bpf_prog_get+0x20/0x20 [ 706.986868] ? do_syscall_64+0x1b9/0x820 [ 706.990938] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 706.996310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.001272] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.006298] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 707.011321] ? recalc_sigpending_tsk+0x180/0x180 [ 707.016086] ? kasan_check_write+0x14/0x20 [ 707.020340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.025201] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.030630] warn_alloc_show_mem: 1 callbacks suppressed [ 707.030642] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 707.030644] Mem-Info: [ 707.030673] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 707.030673] active_file:13 inactive_file:34 isolated_file:0 [ 707.030673] unevictable:0 dirty:0 writeback:0 unstable:0 [ 707.030673] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 707.030673] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 707.030673] free:13625 free_pcp:139 free_cma:0 [ 707.036024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.043046] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 707.045447] Call Trace: [ 707.078326] Node 0 [ 707.087675] [ 707.115279] 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 [ 707.117850] dump_stack+0x1c4/0x2b6 [ 707.120054] lowmem_reserve[]: 0 [ 707.122218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 707.147711] 2819 6323 [ 707.151369] warn_alloc.cold.119+0xb7/0x1bd [ 707.154617] 6323 [ 707.159813] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 707.166624] ? lock_downgrade+0x900/0x900 [ 707.168663] Node 0 [ 707.173522] ? trace_hardirqs_off+0xb8/0x310 [ 707.177693] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 707.179910] ? trace_hardirqs_off+0xb8/0x310 [ 707.184287] lowmem_reserve[]: 0 [ 707.211888] __alloc_pages_slowpath+0x265e/0x2d70 [ 707.216275] 0 [ 707.219600] ? warn_alloc+0x120/0x120 [ 707.224376] 3503 3503 [ 707.226380] ? trace_hardirqs_on+0x310/0x310 [ 707.230166] Node 0 [ 707.232674] ? warn_alloc+0x120/0x120 [ 707.237114] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 707.239320] ? print_usage_bug+0xc0/0xc0 [ 707.243112] lowmem_reserve[]: [ 707.271505] ? warn_alloc+0x120/0x120 [ 707.275545] 0 [ 707.278655] ? ktime_get+0x2e1/0x440 [ 707.282431] 0 [ 707.284233] ? print_usage_bug+0xc0/0xc0 [ 707.287928] 0 [ 707.289734] ? __lock_acquire+0x7ec/0x4ec0 [ 707.293771] 0 [ 707.295586] ? __lock_acquire+0x7ec/0x4ec0 [ 707.299811] Node 0 [ 707.301635] ? kasan_check_read+0x11/0x20 [ 707.305845] DMA: [ 707.308088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.312222] 1*4kB [ 707.314285] ? should_fail+0x22d/0xd01 [ 707.319798] (U) [ 707.321953] ? rcu_bh_qs+0xc0/0xc0 [ 707.325819] 0*8kB [ 707.327795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.331327] 0*16kB 1*32kB [ 707.333487] ? __lock_acquire+0x7ec/0x4ec0 [ 707.338567] (U) [ 707.341430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.345644] 2*64kB [ 707.347632] ? __lock_acquire+0x7ec/0x4ec0 [ 707.352714] (U) [ 707.354951] ? should_fail+0x22d/0xd01 [ 707.359168] 1*128kB [ 707.361149] ? rcu_idle_enter+0x4b0/0x4b0 [ 707.365025] (U) 1*256kB [ 707.367386] ? mark_held_locks+0x130/0x130 [ 707.371512] (U) [ 707.374185] ? mark_held_locks+0x130/0x130 [ 707.378392] 0*512kB 1*1024kB [ 707.380380] ? mark_held_locks+0xc7/0x130 [ 707.384603] (U) [ 707.387737] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 707.391865] 1*2048kB [ 707.393838] ? graph_lock+0x170/0x170 [ 707.398837] (M) [ 707.401249] ? print_usage_bug+0xc0/0xc0 [ 707.405027] 3*4096kB (M) [ 707.407019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.411057] = 15908kB [ 707.413822] ? check_preemption_disabled+0x48/0x280 [ 707.419335] Node 0 [ 707.421747] ? check_preemption_disabled+0x48/0x280 [ 707.426739] DMA32: [ 707.428983] ? __lock_is_held+0xb5/0x140 [ 707.433972] 3*4kB [ 707.436218] __alloc_pages_nodemask+0xa80/0xde0 [ 707.440251] (M) [ 707.442403] ? graph_lock+0x170/0x170 [ 707.447060] 1*8kB [ 707.449043] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 707.452815] (M) [ 707.454970] ? graph_lock+0x170/0x170 [ 707.459980] 3*16kB (UM) [ 707.461991] ? find_held_lock+0x36/0x1c0 [ 707.465763] 3*32kB [ 707.468461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 707.472492] (UM) [ 707.474731] ? lock_downgrade+0x900/0x900 [ 707.479400] 4*64kB (M) [ 707.481480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.485606] 3*128kB (M) [ 707.488222] cache_grow_begin+0x91/0x8c0 [ 707.493731] 4*256kB (UM) [ 707.496417] ? do_raw_spin_unlock+0xa7/0x330 [ 707.500449] 3*512kB (M) [ 707.503225] fallback_alloc+0x203/0x2e0 [ 707.507610] 3*1024kB (UM) [ 707.510297] ____cache_alloc_node+0x1c7/0x1e0 [ 707.514247] 3*2048kB [ 707.517095] kmem_cache_alloc_node+0xe3/0x730 [ 707.521572] (UM) [ 707.523995] ? ipv6_get_ifaddr+0x42e/0x620 [ 707.528466] 3*4096kB (M) [ 707.530559] __alloc_skb+0x119/0x770 [ 707.534760] = 24868kB [ 707.534769] Node 0 [ 707.537534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 707.541225] Normal: [ 707.543647] ? skb_scrub_packet+0x490/0x490 [ 707.545862] 871*4kB [ 707.551142] ? lock_downgrade+0x900/0x900 [ 707.553443] (MEH) [ 707.557779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.560082] 470*8kB [ 707.564235] ? refcount_sub_and_test_checked+0x203/0x310 [ 707.566360] (MEH) [ 707.571900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 707.574209] 180*16kB [ 707.579657] ? addrconf_rs_timer+0x690/0x690 [ 707.581790] (UMEH) [ 707.587252] ndisc_alloc_skb+0x144/0x340 [ 707.589634] 61*32kB [ 707.594049] ndisc_send_rs+0x331/0x6e0 [ 707.596257] (UME) 19*64kB [ 707.600329] addrconf_rs_timer+0x314/0x690 [ 707.602630] (UMH) [ 707.606521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.609356] 0*128kB 0*256kB [ 707.613640] call_timer_fn+0x272/0x920 [ 707.615756] 0*512kB [ 707.619986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.622977] 0*1024kB 0*2048kB 0*4096kB = 13292kB [ 707.622996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 707.623003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 707.623006] 238 total pagecache pages [ 707.623016] 0 pages in swap cache [ 707.623021] Swap cache stats: add 0, delete 0, find 0/0 [ 707.623024] Free swap = 0kB [ 707.623026] Total swap = 0kB [ 707.623031] 1965979 pages RAM [ 707.623034] 0 pages HighMem/MovableOnly [ 707.623036] 342306 pages reserved [ 707.623039] 0 pages cma reserved [ 707.623115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 707.623165] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 707.623169] syz-executor4 cpuset=syz4 mems_allowed=0 [ 707.710740] ? process_timeout+0x40/0x40 [ 707.714811] ? find_held_lock+0x36/0x1c0 [ 707.718886] ? mark_held_locks+0xc7/0x130 [ 707.723043] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.727543] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.732039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.736278] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 707.740881] ? trace_hardirqs_on+0xbd/0x310 [ 707.745209] ? kasan_check_read+0x11/0x20 [ 707.749361] ? __run_timers+0x7da/0xc70 [ 707.753341] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 707.758801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.763049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.767315] __run_timers+0x7e5/0xc70 [ 707.771138] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 707.776509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 707.781529] ? graph_lock+0x170/0x170 [ 707.785339] ? print_usage_bug+0xc0/0xc0 [ 707.789400] ? enqueue_hrtimer+0x1a5/0x560 [ 707.793636] ? lock_release+0x970/0x970 [ 707.797626] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 707.802831] ? find_held_lock+0x36/0x1c0 [ 707.806899] ? graph_lock+0x170/0x170 [ 707.810712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.816269] ? check_preemption_disabled+0x48/0x280 [ 707.821303] ? __lock_is_held+0xb5/0x140 [ 707.825377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.830924] ? check_preemption_disabled+0x48/0x280 [ 707.835957] run_timer_softirq+0x52/0xb0 [ 707.840023] ? rcu_read_lock_sched_held+0x108/0x120 [ 707.845045] __do_softirq+0x30c/0xb03 [ 707.848882] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 707.853999] ? pvclock_read_flags+0x160/0x160 [ 707.858499] ? lapic_next_event+0x5a/0x90 [ 707.862671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.868217] ? check_preemption_disabled+0x48/0x280 [ 707.873239] ? check_preemption_disabled+0x48/0x280 [ 707.878269] ? kvm_clock_read+0x18/0x30 [ 707.882250] ? kvm_sched_clock_read+0x9/0x20 [ 707.886671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.892216] ? check_preemption_disabled+0x48/0x280 [ 707.897248] irq_exit+0x17f/0x1c0 [ 707.900722] smp_apic_timer_interrupt+0x1cb/0x760 [ 707.905568] ? smp_reschedule_interrupt+0x109/0x650 [ 707.910618] ? smp_call_function_single_interrupt+0x650/0x650 [ 707.916512] ? interrupt_entry+0xb5/0xf0 [ 707.920583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.925627] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.930653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.935507] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.940525] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.945551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.951096] ? check_preemption_disabled+0x48/0x280 [ 707.956145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.961697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.966556] apic_timer_interrupt+0xf/0x20 [ 707.970794] [ 707.973037] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 707.978232] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 707.997137] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 708.004867] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 708.012150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 708.019652] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 708.026922] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 708.034192] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 708.041528] retint_kernel+0x1b/0x2d [ 708.045253] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 708.050535] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 708.069734] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 708.077452] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 708.084728] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 708.091998] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 708.099293] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 708.106566] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 708.113882] ? arch_local_irq_restore+0x45/0x52 [ 708.119033] dump_stack+0x26a/0x2b6 [ 708.122673] ? dump_stack_print_info.cold.1+0x20/0x20 [ 708.127875] ? mark_held_locks+0x130/0x130 [ 708.132112] ? mark_held_locks+0x130/0x130 [ 708.136357] dump_header+0x27b/0xf72 [ 708.140098] ? pagefault_out_of_memory+0x197/0x197 [ 708.145059] ? __lock_acquire+0x7ec/0x4ec0 [ 708.149327] ? print_usage_bug+0xc0/0xc0 [ 708.153399] ? graph_lock+0x170/0x170 [ 708.157215] ? graph_lock+0x170/0x170 [ 708.161030] ? print_usage_bug+0xc0/0xc0 [ 708.165112] ? print_usage_bug+0xc0/0xc0 [ 708.169181] ? print_usage_bug+0xc0/0xc0 [ 708.173254] ? find_held_lock+0x36/0x1c0 [ 708.177328] ? mark_held_locks+0xc7/0x130 [ 708.182478] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 708.187597] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 708.192717] ? lockdep_hardirqs_on+0x421/0x5c0 [ 708.197308] ? trace_hardirqs_on+0xbd/0x310 [ 708.201638] ? kasan_check_read+0x11/0x20 [ 708.205790] ? ___ratelimit+0x36f/0x655 [ 708.209768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.215220] ? trace_hardirqs_on+0x310/0x310 [ 708.219635] ? lock_downgrade+0x900/0x900 [ 708.223796] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 708.228902] ? ___ratelimit+0xaa/0x655 [ 708.232794] ? idr_get_free+0xec0/0xec0 [ 708.236775] ? kasan_check_write+0x14/0x20 [ 708.241013] ? do_raw_spin_lock+0xc1/0x230 [ 708.245262] oom_kill_process.cold.27+0x10/0x903 [ 708.250044] ? graph_lock+0x170/0x170 [ 708.253851] ? _raw_spin_unlock+0x2c/0x50 [ 708.259521] ? oom_badness+0xe6/0xaa0 [ 708.263337] ? oom_evaluate_task+0x540/0x540 [ 708.267756] ? find_held_lock+0x36/0x1c0 [ 708.271831] ? out_of_memory+0x974/0x1430 [ 708.275985] ? lock_downgrade+0x900/0x900 [ 708.280140] ? check_preemption_disabled+0x48/0x280 [ 708.285170] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 708.290976] ? kasan_check_read+0x11/0x20 [ 708.295129] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 708.300412] ? rcu_bh_qs+0xc0/0xc0 [ 708.303964] ? kasan_check_write+0x14/0x20 [ 708.308200] ? oom_evaluate_task+0x302/0x540 [ 708.312628] out_of_memory+0xa84/0x1430 [ 708.316637] ? oom_killer_disable+0x3a0/0x3a0 [ 708.321144] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 708.326341] ? __mutex_add_waiter+0x2a0/0x2a0 [ 708.330854] __alloc_pages_slowpath+0x230f/0x2d70 [ 708.335751] ? warn_alloc+0x120/0x120 [ 708.339560] ? __radix_tree_lookup+0x4c0/0x4c0 [ 708.344174] ? find_get_entry+0x2f2/0xc40 [ 708.348336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.353877] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 708.358814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.364356] ? should_fail+0x22d/0xd01 [ 708.368252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.373360] ? __lock_is_held+0xb5/0x140 [ 708.377456] ? __lock_is_held+0xb5/0x140 [ 708.381535] ? find_held_lock+0x36/0x1c0 [ 708.385619] ? ___might_sleep+0x1ed/0x300 [ 708.389773] ? lock_release+0x970/0x970 [ 708.393755] ? arch_local_save_flags+0x40/0x40 [ 708.398356] ? __might_sleep+0x95/0x190 [ 708.402339] __alloc_pages_nodemask+0xa80/0xde0 [ 708.407020] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 708.412043] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 708.417872] ? kasan_check_read+0x11/0x20 [ 708.422024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 708.427306] ? graph_lock+0x170/0x170 [ 708.431112] ? print_usage_bug+0xc0/0xc0 [ 708.435181] ? graph_lock+0x170/0x170 [ 708.438981] ? graph_lock+0x170/0x170 [ 708.442785] ? __do_page_cache_readahead+0x7ce/0x980 [ 708.447897] ? find_held_lock+0x36/0x1c0 [ 708.451967] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 708.457512] alloc_pages_current+0x10c/0x210 [ 708.461924] ? lock_downgrade+0x900/0x900 [ 708.466085] __page_cache_alloc+0x38f/0x5b0 [ 708.470414] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 708.476630] ? kasan_check_read+0x11/0x20 [ 708.480797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 708.486079] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 708.490751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.496347] ? check_preemption_disabled+0x48/0x280 [ 708.501372] filemap_fault+0x1594/0x25f0 [ 708.505453] ? __lock_page_or_retry+0xa00/0xa00 [ 708.510126] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 708.515925] ? kasan_check_read+0x11/0x20 [ 708.520113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 708.525402] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 708.530516] ? rcu_bh_qs+0xc0/0xc0 [ 708.534064] ? trace_hardirqs_on+0xbd/0x310 [ 708.538390] ? kasan_check_read+0x11/0x20 [ 708.542547] ? __free_object+0x173/0x340 [ 708.546635] ? filemap_map_pages+0xdea/0x1980 [ 708.551149] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 708.556260] ? __free_object+0x173/0x340 [ 708.560328] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 708.565622] ? debug_object_free+0x325/0x690 [ 708.570045] ? find_get_pages_range_tag+0x1320/0x1320 [ 708.575249] ? graph_lock+0x170/0x170 [ 708.579066] ? kasan_check_read+0x11/0x20 [ 708.583220] ? debug_object_destroy+0x2b0/0x2b0 [ 708.587906] ? lock_acquire+0x1ed/0x520 [ 708.591886] ? ext4_filemap_fault+0x7a/0xad [ 708.596219] ? lock_release+0x970/0x970 [ 708.600202] ? arch_local_save_flags+0x40/0x40 [ 708.604791] ? futex_wait_setup+0x3e0/0x3e0 [ 708.609137] ? down_read+0xb0/0x1d0 [ 708.612769] ? ext4_filemap_fault+0x7a/0xad [ 708.617095] ? __down_interruptible+0x700/0x700 [ 708.621789] ext4_filemap_fault+0x82/0xad [ 708.625945] __do_fault+0x100/0x6b0 [ 708.629583] ? print_bad_pte+0x6c0/0x6c0 [ 708.633773] ? do_futex+0x249/0x26d0 [ 708.637494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.643038] ? check_preemption_disabled+0x48/0x280 [ 708.648058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 708.652821] ? pmd_val+0x88/0x100 [ 708.656278] ? add_mm_counter_fast+0xd0/0xd0 [ 708.660690] ? pmd_val+0x88/0x100 [ 708.664149] ? add_mm_counter_fast+0xd0/0xd0 [ 708.668568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.674133] __handle_mm_fault+0x3709/0x53e0 [ 708.678550] ? debug_smp_processor_id+0x1c/0x20 [ 708.683233] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 708.688179] ? graph_lock+0x170/0x170 [ 708.691988] ? print_usage_bug+0xc0/0xc0 [ 708.696052] ? should_fail+0xaf/0xd01 [ 708.699860] ? graph_lock+0x170/0x170 [ 708.703667] ? graph_lock+0x170/0x170 [ 708.707496] ? handle_mm_fault+0x42a/0xc70 [ 708.711735] ? lock_downgrade+0x900/0x900 [ 708.715894] ? check_preemption_disabled+0x48/0x280 [ 708.720921] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 708.726724] ? kasan_check_read+0x11/0x20 [ 708.730884] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 708.736180] ? rcu_bh_qs+0xc0/0xc0 [ 708.739735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.745203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.750754] ? check_preemption_disabled+0x48/0x280 [ 708.755792] handle_mm_fault+0x54f/0xc70 [ 708.759868] ? __handle_mm_fault+0x53e0/0x53e0 [ 708.764472] ? find_vma+0x34/0x190 [ 708.768024] __do_page_fault+0x67d/0xed0 [ 708.772106] ? mm_fault_error+0x380/0x380 [ 708.776262] ? trace_hardirqs_off+0xb8/0x310 [ 708.780681] ? trace_hardirqs_on+0x310/0x310 [ 708.785099] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.790474] ? trace_hardirqs_on+0x310/0x310 [ 708.794899] do_page_fault+0xf2/0x7e0 [ 708.798710] ? vmalloc_sync_all+0x30/0x30 [ 708.802876] ? error_entry+0x70/0xd0 [ 708.806614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 708.811644] ? trace_hardirqs_on_caller+0xc0/0x310 [ 708.816581] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.821531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.826384] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.831424] ? trace_hardirqs_off+0x310/0x310 [ 708.835936] ? prepare_exit_to_usermode+0x291/0x3b0 [ 708.840957] ? page_fault+0x8/0x30 [ 708.844503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.849355] ? page_fault+0x8/0x30 [ 708.852906] page_fault+0x1e/0x30 [ 708.856650] RIP: 0033:0x45ddf3 [ 708.859851] Code: Bad RIP value. [ 708.863231] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 708.868613] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 708.875888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 708.883744] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 708.891044] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 708.898340] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 708.905669] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 708.905753] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 708.912961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.912967] Call Trace: [ 708.912975] [ 708.913000] dump_stack+0x1c4/0x2b6 [ 708.913018] ? dump_stack_print_info.cold.1+0x20/0x20 [ 708.913048] warn_alloc.cold.119+0xb7/0x1bd [ 708.919659] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.928890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.931446] syz-fuzzer cpuset= [ 708.933614] ? lock_downgrade+0x900/0x900 [ 708.937224] / [ 708.942426] ? trace_hardirqs_off+0xb8/0x310 [ 708.946724] mems_allowed=0 [ 708.956960] ? trace_hardirqs_off+0xb8/0x310 [ 708.982647] __alloc_pages_slowpath+0x265e/0x2d70 [ 708.987537] ? warn_alloc+0x120/0x120 [ 708.991350] ? warn_alloc+0x120/0x120 [ 708.995165] ? print_usage_bug+0xc0/0xc0 [ 708.999236] ? warn_alloc+0x120/0x120 [ 709.003040] ? lock_release+0x970/0x970 [ 709.007018] ? print_usage_bug+0xc0/0xc0 [ 709.011091] ? __lock_acquire+0x7ec/0x4ec0 [ 709.015332] ? __lock_acquire+0x7ec/0x4ec0 [ 709.019576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.025131] ? should_fail+0x22d/0xd01 [ 709.029028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.034143] ? __lock_acquire+0x7ec/0x4ec0 [ 709.038409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.043515] ? __lock_acquire+0x7ec/0x4ec0 [ 709.047753] ? should_fail+0x22d/0xd01 [ 709.051660] ? mark_held_locks+0x130/0x130 [ 709.055906] ? mark_held_locks+0x130/0x130 [ 709.060153] ? kvm_clock_read+0x18/0x30 [ 709.064163] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 709.069191] ? ktime_get+0x2e1/0x440 [ 709.072912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.078452] ? graph_lock+0x170/0x170 [ 709.082254] ? print_usage_bug+0xc0/0xc0 [ 709.086324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.091873] ? check_preemption_disabled+0x48/0x280 [ 709.096899] ? check_preemption_disabled+0x48/0x280 [ 709.101937] ? __lock_is_held+0xb5/0x140 [ 709.106018] __alloc_pages_nodemask+0xa80/0xde0 [ 709.110695] ? graph_lock+0x170/0x170 [ 709.114504] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 709.119522] ? graph_lock+0x170/0x170 [ 709.123341] ? find_held_lock+0x36/0x1c0 [ 709.127419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 709.132098] ? lock_downgrade+0x900/0x900 [ 709.136269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.141819] cache_grow_begin+0x91/0x8c0 [ 709.145886] ? do_raw_spin_unlock+0xa7/0x330 [ 709.150308] fallback_alloc+0x203/0x2e0 [ 709.154299] ____cache_alloc_node+0x1c7/0x1e0 [ 709.158816] kmem_cache_alloc_node+0xe3/0x730 [ 709.163317] ? ipv6_get_ifaddr+0x42e/0x620 [ 709.167569] __alloc_skb+0x119/0x770 [ 709.171295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 709.176585] ? skb_scrub_packet+0x490/0x490 [ 709.180922] ? lock_downgrade+0x900/0x900 [ 709.185084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.190637] ? refcount_sub_and_test_checked+0x203/0x310 [ 709.196098] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 709.201565] ? addrconf_rs_timer+0x690/0x690 [ 709.206004] ndisc_alloc_skb+0x144/0x340 [ 709.210077] ndisc_send_rs+0x331/0x6e0 [ 709.213984] addrconf_rs_timer+0x314/0x690 [ 709.218231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.222488] call_timer_fn+0x272/0x920 [ 709.226379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.231096] ? process_timeout+0x40/0x40 [ 709.235172] ? find_held_lock+0x36/0x1c0 [ 709.239248] ? __run_timers+0x7da/0xc70 [ 709.243237] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.247737] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.252236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.256478] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 709.261068] ? trace_hardirqs_on+0xbd/0x310 [ 709.265400] ? kasan_check_read+0x11/0x20 [ 709.269559] ? __run_timers+0x7da/0xc70 [ 709.273566] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 709.279043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.283298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.287542] __run_timers+0x7e5/0xc70 [ 709.291364] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 709.296737] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 709.301760] ? graph_lock+0x170/0x170 [ 709.305572] ? enqueue_hrtimer+0x1a5/0x560 [ 709.309820] ? lock_release+0x970/0x970 [ 709.313801] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 709.319004] ? find_held_lock+0x36/0x1c0 [ 709.323074] ? graph_lock+0x170/0x170 [ 709.326889] ? pvclock_read_flags+0x160/0x160 [ 709.331394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.336945] ? check_preemption_disabled+0x48/0x280 [ 709.341980] ? __lock_is_held+0xb5/0x140 [ 709.346050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.351605] ? check_preemption_disabled+0x48/0x280 [ 709.356644] run_timer_softirq+0x52/0xb0 [ 709.360718] ? rcu_read_lock_sched_held+0x108/0x120 [ 709.365744] __do_softirq+0x30c/0xb03 [ 709.369582] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 709.374711] ? pvclock_read_flags+0x160/0x160 [ 709.379213] ? lapic_next_event+0x5a/0x90 [ 709.383370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.388917] ? check_preemption_disabled+0x48/0x280 [ 709.393943] ? check_preemption_disabled+0x48/0x280 [ 709.398974] ? kvm_clock_read+0x18/0x30 [ 709.402956] ? kvm_sched_clock_read+0x9/0x20 [ 709.407377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.412934] ? check_preemption_disabled+0x48/0x280 [ 709.417979] irq_exit+0x17f/0x1c0 [ 709.421443] smp_apic_timer_interrupt+0x1cb/0x760 [ 709.426290] ? smp_reschedule_interrupt+0x109/0x650 [ 709.431316] ? smp_call_function_single_interrupt+0x650/0x650 [ 709.437215] ? interrupt_entry+0xb5/0xf0 [ 709.441283] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.446300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.451321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.456172] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.461199] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.466228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.471776] ? check_preemption_disabled+0x48/0x280 [ 709.476799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.482361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.487221] apic_timer_interrupt+0xf/0x20 [ 709.491453] [ 709.493701] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 709.498641] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 709.517552] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 709.525273] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 709.532544] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 709.539815] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 709.547087] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 709.554368] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 709.561709] skb_clone+0x1bb/0x500 [ 709.565257] ? skb_split+0x11e0/0x11e0 [ 709.569179] ? preempt_notifier_register+0x200/0x200 [ 709.574297] ? __switch_to_asm+0x34/0x70 [ 709.578369] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.583146] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.587924] bpf_clone_redirect+0xb9/0x490 [ 709.592230] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 709.597259] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.602033] ? find_held_lock+0x36/0x1c0 [ 709.606113] ? lock_acquire+0x1ed/0x520 [ 709.610111] ? bpf_test_run+0x3cb/0x780 [ 709.614094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.619648] ? check_preemption_disabled+0x48/0x280 [ 709.624682] ? kasan_check_read+0x11/0x20 [ 709.628845] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 709.634135] ? rcu_bh_qs+0xc0/0xc0 [ 709.637711] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 709.642919] ? bpf_test_run+0x25d/0x780 [ 709.646920] ? netlink_diag_dump+0x2a0/0x2a0 [ 709.651347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.656890] ? bpf_test_init.isra.10+0x70/0x100 [ 709.661569] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 709.666358] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 709.671196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.676746] ? fput+0x130/0x1a0 [ 709.680033] ? __bpf_prog_get+0x9b/0x290 [ 709.684112] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 709.688963] ? bpf_prog_test_run+0x130/0x1a0 [ 709.693405] ? __x64_sys_bpf+0x3d8/0x520 [ 709.697475] ? bpf_prog_get+0x20/0x20 [ 709.701324] ? do_syscall_64+0x1b9/0x820 [ 709.705388] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 709.710761] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.715700] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.720724] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 709.725745] ? recalc_sigpending_tsk+0x180/0x180 [ 709.730509] ? kasan_check_write+0x14/0x20 [ 709.734758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.739624] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.745018] warn_alloc_show_mem: 1 callbacks suppressed [ 709.745031] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 709.745033] Mem-Info: [ 709.745066] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 709.745066] active_file:13 inactive_file:34 isolated_file:0 [ 709.745066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.745066] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 709.745066] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 709.745066] free:13625 free_pcp:139 free_cma:0 [ 709.750415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.757436] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 709.759845] Call Trace: [ 709.792738] Node 0 [ 709.802101] [ 709.829732] 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 [ 709.832307] dump_stack+0x1c4/0x2b6 [ 709.834521] lowmem_reserve[]: [ 709.836684] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.862173] 0 2819 [ 709.865862] warn_alloc.cold.119+0xb7/0x1bd [ 709.868919] 6323 6323 [ 709.874136] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 709.876344] Node 0 [ 709.880666] ? lock_downgrade+0x900/0x900 [ 709.883168] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 709.887992] ? trace_hardirqs_off+0xb8/0x310 [ 709.890201] lowmem_reserve[]: [ 709.894353] ? trace_hardirqs_off+0xb8/0x310 [ 709.921494] 0 0 [ 709.925944] __alloc_pages_slowpath+0x265e/0x2d70 [ 709.929023] 3503 3503 [ 709.933481] ? warn_alloc+0x120/0x120 [ 709.935411] Node 0 [ 709.940264] ? trace_hardirqs_on+0x310/0x310 [ 709.942767] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 709.946541] ? warn_alloc+0x120/0x120 [ 709.948767] lowmem_reserve[]: [ 709.953193] ? print_usage_bug+0xc0/0xc0 [ 709.981550] 0 0 [ 709.985411] ? warn_alloc+0x120/0x120 [ 709.988481] 0 [ 709.992543] ? ktime_get+0x2e1/0x440 [ 709.994509] 0 [ 709.998322] ? print_usage_bug+0xc0/0xc0 [ 710.003818] ? __lock_acquire+0x7ec/0x4ec0 [ 710.005609] Node 0 DMA: [ 710.009681] ? __lock_acquire+0x7ec/0x4ec0 [ 710.013901] 1*4kB [ 710.016575] ? kasan_check_read+0x11/0x20 [ 710.020791] (U) [ 710.022943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.027072] 0*8kB [ 710.029053] ? should_fail+0x22d/0xd01 [ 710.034575] 0*16kB [ 710.036747] ? rcu_bh_qs+0xc0/0xc0 [ 710.040623] 1*32kB [ 710.042865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.046388] (U) [ 710.048643] ? __lock_acquire+0x7ec/0x4ec0 [ 710.053724] 2*64kB [ 710.055703] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.059914] (U) [ 710.062161] ? __lock_acquire+0x7ec/0x4ec0 [ 710.067246] 1*128kB [ 710.069225] ? should_fail+0x22d/0xd01 [ 710.073434] (U) 1*256kB [ 710.076670] ? rcu_idle_enter+0x4b0/0x4b0 [ 710.080528] (U) 0*512kB [ 710.083226] ? mark_held_locks+0x130/0x130 [ 710.087345] 1*1024kB [ 710.090015] ? mark_held_locks+0x130/0x130 [ 710.094228] (U) [ 710.096645] ? mark_held_locks+0xc7/0x130 [ 710.100863] 1*2048kB [ 710.102846] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 710.106974] (M) [ 710.109383] ? graph_lock+0x170/0x170 [ 710.114386] 3*4096kB [ 710.116362] ? print_usage_bug+0xc0/0xc0 [ 710.120535] (M) [ 710.122960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.126996] = 15908kB [ 710.128979] ? check_preemption_disabled+0x48/0x280 [ 710.134494] Node 0 [ 710.136909] ? check_preemption_disabled+0x48/0x280 [ 710.141901] DMA32: [ 710.144150] ? __lock_is_held+0xb5/0x140 [ 710.149139] 3*4kB [ 710.151380] __alloc_pages_nodemask+0xa80/0xde0 [ 710.155415] (M) [ 710.157567] ? graph_lock+0x170/0x170 [ 710.162210] 1*8kB (M) [ 710.164200] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 710.167973] 3*16kB (UM) [ 710.170481] ? graph_lock+0x170/0x170 [ 710.175482] 3*32kB [ 710.178941] ? find_held_lock+0x36/0x1c0 [ 710.182713] (UM) [ 710.184958] ? ____cache_alloc_node+0x1c7/0x1e0 [ 710.188989] 4*64kB (M) [ 710.191064] ? lock_downgrade+0x900/0x900 [ 710.195718] 3*128kB [ 710.198306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.202428] (M) [ 710.204760] cache_grow_begin+0x91/0x8c0 [ 710.210273] 4*256kB [ 710.212249] ? do_raw_spin_unlock+0xa7/0x330 [ 710.216303] (UM) [ 710.218645] fallback_alloc+0x203/0x2e0 [ 710.223026] 3*512kB (M) [ 710.225142] ____cache_alloc_node+0x1c7/0x1e0 [ 710.229091] 3*1024kB (UM) [ 710.231780] kmem_cache_alloc_node+0xe3/0x730 [ 710.236249] 3*2048kB [ 710.239103] ? ipv6_get_ifaddr+0x42e/0x620 [ 710.243600] (UM) [ 710.246022] __alloc_skb+0x119/0x770 [ 710.250226] 3*4096kB (M) [ 710.252316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 710.255999] = 24868kB [ 710.256008] Node 0 [ 710.258772] ? skb_scrub_packet+0x490/0x490 [ 710.264042] Normal: [ 710.266467] ? lock_downgrade+0x900/0x900 [ 710.268687] 871*4kB [ 710.273014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.275315] (MEH) [ 710.279472] ? refcount_sub_and_test_checked+0x203/0x310 [ 710.281775] 470*8kB [ 710.287313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 710.289456] (MEH) 180*16kB [ 710.294937] ? addrconf_rs_timer+0x690/0x690 [ 710.297253] (UMEH) [ 710.302711] ndisc_alloc_skb+0x144/0x340 [ 710.305617] 61*32kB (UME) [ 710.310037] ndisc_send_rs+0x331/0x6e0 [ 710.312269] 19*64kB [ 710.316370] addrconf_rs_timer+0x314/0x690 [ 710.319196] (UMH) [ 710.323082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.325384] 0*128kB [ 710.329639] call_timer_fn+0x272/0x920 [ 710.331757] 0*256kB [ 710.335985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.338296] 0*512kB [ 710.342211] ? process_timeout+0x40/0x40 [ 710.344518] 0*1024kB [ 710.348754] ? find_held_lock+0x36/0x1c0 [ 710.351064] 0*2048kB [ 710.355127] ? mark_held_locks+0xc7/0x130 [ 710.357515] 0*4096kB = 13292kB [ 710.361587] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.363992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 710.368142] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.371325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 710.375813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.384635] 238 total pagecache pages [ 710.389130] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 710.397696] 0 pages in swap cache [ 710.401923] ? trace_hardirqs_on+0xbd/0x310 [ 710.405706] Swap cache stats: add 0, delete 0, find 0/0 [ 710.410295] ? kasan_check_read+0x11/0x20 [ 710.413738] Free swap = 0kB [ 710.418103] ? __run_timers+0x7da/0xc70 [ 710.423478] Total swap = 0kB [ 710.427634] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.430637] 1965979 pages RAM [ 710.434627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.437627] 0 pages HighMem/MovableOnly [ 710.443448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.446542] 342306 pages reserved [ 710.450779] __run_timers+0x7e5/0xc70 [ 710.454742] 0 pages cma reserved [ 710.458987] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 710.462527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 710.466229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 710.469729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 710.474972] ? graph_lock+0x170/0x170 [ 710.481458] syz-executor4 cpuset= [ 710.486486] ? print_usage_bug+0xc0/0xc0 [ 710.496966] syz4 [ 710.500761] ? enqueue_hrtimer+0x1a5/0x560 [ 710.500777] ? lock_release+0x970/0x970 [ 710.504246] mems_allowed=0 [ 710.508320] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 710.526587] ? find_held_lock+0x36/0x1c0 [ 710.530677] ? graph_lock+0x170/0x170 [ 710.534485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.540029] ? check_preemption_disabled+0x48/0x280 [ 710.545078] ? __lock_is_held+0xb5/0x140 [ 710.549145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.554701] ? check_preemption_disabled+0x48/0x280 [ 710.559735] run_timer_softirq+0x52/0xb0 [ 710.563798] ? rcu_read_lock_sched_held+0x108/0x120 [ 710.568818] __do_softirq+0x30c/0xb03 [ 710.572664] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 710.577777] ? pvclock_read_flags+0x160/0x160 [ 710.582280] ? lapic_next_event+0x5a/0x90 [ 710.586432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.592003] ? check_preemption_disabled+0x48/0x280 [ 710.597022] ? check_preemption_disabled+0x48/0x280 [ 710.602050] ? kvm_clock_read+0x18/0x30 [ 710.606023] ? kvm_sched_clock_read+0x9/0x20 [ 710.610435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.616007] ? check_preemption_disabled+0x48/0x280 [ 710.621040] irq_exit+0x17f/0x1c0 [ 710.624502] smp_apic_timer_interrupt+0x1cb/0x760 [ 710.629344] ? smp_reschedule_interrupt+0x109/0x650 [ 710.634364] ? smp_call_function_single_interrupt+0x650/0x650 [ 710.640253] ? interrupt_entry+0xb5/0xf0 [ 710.644321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.649342] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.654362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.659209] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.664246] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.669267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.674825] ? check_preemption_disabled+0x48/0x280 [ 710.679846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.685407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.690264] apic_timer_interrupt+0xf/0x20 [ 710.694493] [ 710.696739] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 710.701937] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 710.721716] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 710.729432] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 710.736704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 710.743973] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 710.751247] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 710.758517] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 710.765848] retint_kernel+0x1b/0x2d [ 710.769575] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 710.774889] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 710.793793] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 710.801508] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 710.808778] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 710.816048] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 710.823340] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 710.830622] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 710.837924] ? arch_local_irq_restore+0x45/0x52 [ 710.842621] dump_stack+0x26a/0x2b6 [ 710.846259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 710.851468] ? mark_held_locks+0x130/0x130 [ 710.855707] ? mark_held_locks+0x130/0x130 [ 710.859951] dump_header+0x27b/0xf72 [ 710.863684] ? pagefault_out_of_memory+0x197/0x197 [ 710.868651] ? __lock_acquire+0x7ec/0x4ec0 [ 710.872946] ? print_usage_bug+0xc0/0xc0 [ 710.877023] ? graph_lock+0x170/0x170 [ 710.880827] ? graph_lock+0x170/0x170 [ 710.884651] ? print_usage_bug+0xc0/0xc0 [ 710.888715] ? print_usage_bug+0xc0/0xc0 [ 710.892786] ? print_usage_bug+0xc0/0xc0 [ 710.896865] ? find_held_lock+0x36/0x1c0 [ 710.900955] ? mark_held_locks+0xc7/0x130 [ 710.905113] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 710.910225] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 710.915341] ? lockdep_hardirqs_on+0x421/0x5c0 [ 710.919928] ? trace_hardirqs_on+0xbd/0x310 [ 710.924259] ? kasan_check_read+0x11/0x20 [ 710.928421] ? ___ratelimit+0x36f/0x655 [ 710.932402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.937858] ? trace_hardirqs_on+0x310/0x310 [ 710.942302] ? lock_downgrade+0x900/0x900 [ 710.946460] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 710.951580] ? ___ratelimit+0xaa/0x655 [ 710.955492] ? idr_get_free+0xec0/0xec0 [ 710.959478] ? kasan_check_write+0x14/0x20 [ 710.963718] ? do_raw_spin_lock+0xc1/0x230 [ 710.967967] oom_kill_process.cold.27+0x10/0x903 [ 710.972728] ? graph_lock+0x170/0x170 [ 710.976534] ? _raw_spin_unlock+0x2c/0x50 [ 710.980703] ? oom_badness+0xe6/0xaa0 [ 710.984533] ? oom_evaluate_task+0x540/0x540 [ 710.988950] ? find_held_lock+0x36/0x1c0 [ 710.993028] ? out_of_memory+0x974/0x1430 [ 710.997185] ? lock_downgrade+0x900/0x900 [ 711.001873] ? check_preemption_disabled+0x48/0x280 [ 711.006904] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 711.012707] ? kasan_check_read+0x11/0x20 [ 711.016860] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.022144] ? rcu_bh_qs+0xc0/0xc0 [ 711.025695] ? kasan_check_write+0x14/0x20 [ 711.029931] ? oom_evaluate_task+0x302/0x540 [ 711.034349] out_of_memory+0xa84/0x1430 [ 711.038341] ? oom_killer_disable+0x3a0/0x3a0 [ 711.042861] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 711.047803] ? __mutex_add_waiter+0x2a0/0x2a0 [ 711.052320] __alloc_pages_slowpath+0x230f/0x2d70 [ 711.057211] ? warn_alloc+0x120/0x120 [ 711.061017] ? __radix_tree_lookup+0x4c0/0x4c0 [ 711.065636] ? find_get_entry+0x2f2/0xc40 [ 711.069810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.075357] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 711.080295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.085842] ? should_fail+0x22d/0xd01 [ 711.089924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.095034] ? __lock_is_held+0xb5/0x140 [ 711.099131] ? __lock_is_held+0xb5/0x140 [ 711.103211] ? find_held_lock+0x36/0x1c0 [ 711.107285] ? ___might_sleep+0x1ed/0x300 [ 711.111440] ? lock_release+0x970/0x970 [ 711.115422] ? arch_local_save_flags+0x40/0x40 [ 711.120503] ? __might_sleep+0x95/0x190 [ 711.124494] __alloc_pages_nodemask+0xa80/0xde0 [ 711.129188] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 711.134216] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 711.140029] ? kasan_check_read+0x11/0x20 [ 711.144188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.149477] ? graph_lock+0x170/0x170 [ 711.153284] ? print_usage_bug+0xc0/0xc0 [ 711.157359] ? graph_lock+0x170/0x170 [ 711.161164] ? graph_lock+0x170/0x170 [ 711.164980] ? __do_page_cache_readahead+0x7ce/0x980 [ 711.170098] ? find_held_lock+0x36/0x1c0 [ 711.174176] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 711.179726] alloc_pages_current+0x10c/0x210 [ 711.184140] ? lock_downgrade+0x900/0x900 [ 711.188302] __page_cache_alloc+0x38f/0x5b0 [ 711.192642] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 711.198446] ? kasan_check_read+0x11/0x20 [ 711.202616] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.207906] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 711.212581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.218144] ? check_preemption_disabled+0x48/0x280 [ 711.223180] filemap_fault+0x1594/0x25f0 [ 711.227416] ? __lock_page_or_retry+0xa00/0xa00 [ 711.232096] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 711.237900] ? kasan_check_read+0x11/0x20 [ 711.242054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.247340] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 711.252449] ? rcu_bh_qs+0xc0/0xc0 [ 711.255997] ? trace_hardirqs_on+0xbd/0x310 [ 711.260331] ? kasan_check_read+0x11/0x20 [ 711.264488] ? __free_object+0x173/0x340 [ 711.268565] ? filemap_map_pages+0xdea/0x1980 [ 711.273088] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 711.278200] ? __free_object+0x173/0x340 [ 711.282271] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 711.287552] ? debug_object_free+0x325/0x690 [ 711.291970] ? find_get_pages_range_tag+0x1320/0x1320 [ 711.297175] ? graph_lock+0x170/0x170 [ 711.300991] ? kasan_check_read+0x11/0x20 [ 711.305147] ? debug_object_destroy+0x2b0/0x2b0 [ 711.309834] ? lock_acquire+0x1ed/0x520 [ 711.313813] ? ext4_filemap_fault+0x7a/0xad [ 711.318147] ? lock_release+0x970/0x970 [ 711.322132] ? arch_local_save_flags+0x40/0x40 [ 711.326729] ? futex_wait_setup+0x3e0/0x3e0 [ 711.331074] ? down_read+0xb0/0x1d0 [ 711.334704] ? ext4_filemap_fault+0x7a/0xad [ 711.339036] ? __down_interruptible+0x700/0x700 [ 711.343736] ext4_filemap_fault+0x82/0xad [ 711.347894] __do_fault+0x100/0x6b0 [ 711.351533] ? print_bad_pte+0x6c0/0x6c0 [ 711.355618] ? do_futex+0x249/0x26d0 [ 711.359340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.364888] ? check_preemption_disabled+0x48/0x280 [ 711.369913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 711.374674] ? pmd_val+0x88/0x100 [ 711.378143] ? add_mm_counter_fast+0xd0/0xd0 [ 711.382556] ? pmd_val+0x88/0x100 [ 711.386025] ? add_mm_counter_fast+0xd0/0xd0 [ 711.390446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.395996] __handle_mm_fault+0x3709/0x53e0 [ 711.400616] ? debug_smp_processor_id+0x1c/0x20 [ 711.405306] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 711.410169] ? graph_lock+0x170/0x170 [ 711.413979] ? print_usage_bug+0xc0/0xc0 [ 711.418048] ? should_fail+0xaf/0xd01 [ 711.421856] ? graph_lock+0x170/0x170 [ 711.425664] ? graph_lock+0x170/0x170 [ 711.429492] ? handle_mm_fault+0x42a/0xc70 [ 711.433737] ? lock_downgrade+0x900/0x900 [ 711.437892] ? check_preemption_disabled+0x48/0x280 [ 711.442925] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 711.449055] ? kasan_check_read+0x11/0x20 [ 711.453214] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.458498] ? rcu_bh_qs+0xc0/0xc0 [ 711.462044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 711.467503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.473053] ? check_preemption_disabled+0x48/0x280 [ 711.478094] handle_mm_fault+0x54f/0xc70 [ 711.482171] ? __handle_mm_fault+0x53e0/0x53e0 [ 711.486765] ? find_vma+0x34/0x190 [ 711.490322] __do_page_fault+0x67d/0xed0 [ 711.494400] ? mm_fault_error+0x380/0x380 [ 711.498557] ? trace_hardirqs_off+0xb8/0x310 [ 711.502979] ? trace_hardirqs_on+0x310/0x310 [ 711.507399] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.512770] ? trace_hardirqs_on+0x310/0x310 [ 711.517193] do_page_fault+0xf2/0x7e0 [ 711.521025] ? vmalloc_sync_all+0x30/0x30 [ 711.525180] ? error_entry+0x70/0xd0 [ 711.528900] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.533922] ? trace_hardirqs_on_caller+0xc0/0x310 [ 711.538859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.543837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.548690] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.553712] ? trace_hardirqs_off+0x310/0x310 [ 711.558219] ? prepare_exit_to_usermode+0x291/0x3b0 [ 711.563242] ? page_fault+0x8/0x30 [ 711.566792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.571648] ? page_fault+0x8/0x30 [ 711.575199] page_fault+0x1e/0x30 [ 711.578656] RIP: 0033:0x45ddf3 [ 711.581857] Code: Bad RIP value. [ 711.585226] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 711.590626] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 711.597898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 711.605173] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 711.612445] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 711.619715] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 711.627050] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 711.627135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 711.634343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.634349] Call Trace: [ 711.634356] [ 711.634379] dump_stack+0x1c4/0x2b6 [ 711.634399] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.641094] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.650251] warn_alloc.cold.119+0xb7/0x1bd [ 711.652810] syz-fuzzer cpuset= [ 711.654963] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 711.658571] / [ 711.663776] ? lock_downgrade+0x900/0x900 [ 711.673981] mems_allowed=0 [ 711.678305] ? trace_hardirqs_off+0xb8/0x310 [ 711.699474] ? trace_hardirqs_off+0xb8/0x310 [ 711.703898] __alloc_pages_slowpath+0x265e/0x2d70 [ 711.708787] ? warn_alloc+0x120/0x120 [ 711.712608] ? trace_hardirqs_on+0x310/0x310 [ 711.717030] ? warn_alloc+0x120/0x120 [ 711.720840] ? print_usage_bug+0xc0/0xc0 [ 711.724908] ? warn_alloc+0x120/0x120 [ 711.728710] ? ktime_get+0x2e1/0x440 [ 711.732432] ? print_usage_bug+0xc0/0xc0 [ 711.736502] ? __lock_acquire+0x7ec/0x4ec0 [ 711.740752] ? __lock_acquire+0x7ec/0x4ec0 [ 711.744999] ? kasan_check_read+0x11/0x20 [ 711.749159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.754712] ? should_fail+0x22d/0xd01 [ 711.758617] ? rcu_bh_qs+0xc0/0xc0 [ 711.762170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.767281] ? __lock_acquire+0x7ec/0x4ec0 [ 711.771529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.776638] ? __lock_acquire+0x7ec/0x4ec0 [ 711.780877] ? should_fail+0x22d/0xd01 [ 711.784770] ? rcu_idle_enter+0x4b0/0x4b0 [ 711.788935] ? mark_held_locks+0x130/0x130 [ 711.793183] ? mark_held_locks+0x130/0x130 [ 711.797430] ? mark_held_locks+0xc7/0x130 [ 711.801585] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 711.806623] ? graph_lock+0x170/0x170 [ 711.810431] ? print_usage_bug+0xc0/0xc0 [ 711.814513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.820063] ? check_preemption_disabled+0x48/0x280 [ 711.825085] ? check_preemption_disabled+0x48/0x280 [ 711.830133] ? __lock_is_held+0xb5/0x140 [ 711.834213] __alloc_pages_nodemask+0xa80/0xde0 [ 711.838913] ? graph_lock+0x170/0x170 [ 711.842727] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 711.847749] ? graph_lock+0x170/0x170 [ 711.851572] ? find_held_lock+0x36/0x1c0 [ 711.855669] ? ____cache_alloc_node+0x1c7/0x1e0 [ 711.860349] ? lock_downgrade+0x900/0x900 [ 711.864518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.870069] cache_grow_begin+0x91/0x8c0 [ 711.874148] ? do_raw_spin_unlock+0xa7/0x330 [ 711.878577] fallback_alloc+0x203/0x2e0 [ 711.882574] ____cache_alloc_node+0x1c7/0x1e0 [ 711.887101] kmem_cache_alloc_node+0xe3/0x730 [ 711.891619] ? ipv6_get_ifaddr+0x42e/0x620 [ 711.895874] __alloc_skb+0x119/0x770 [ 711.899603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 711.904912] ? skb_scrub_packet+0x490/0x490 [ 711.909242] ? lock_downgrade+0x900/0x900 [ 711.913404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.918952] ? refcount_sub_and_test_checked+0x203/0x310 [ 711.924412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 711.929872] ? addrconf_rs_timer+0x690/0x690 [ 711.934302] ndisc_alloc_skb+0x144/0x340 [ 711.938379] ndisc_send_rs+0x331/0x6e0 [ 711.942282] addrconf_rs_timer+0x314/0x690 [ 711.946530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.950794] call_timer_fn+0x272/0x920 [ 711.954687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.958934] ? process_timeout+0x40/0x40 [ 711.963000] ? find_held_lock+0x36/0x1c0 [ 711.967079] ? __run_timers+0x7da/0xc70 [ 711.971070] ? _raw_spin_unlock_irq+0x27/0x80 [ 711.975579] ? _raw_spin_unlock_irq+0x27/0x80 [ 711.980084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 711.984331] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 711.988925] ? trace_hardirqs_on+0xbd/0x310 [ 711.993253] ? kasan_check_read+0x11/0x20 [ 711.997407] ? __run_timers+0x7da/0xc70 [ 712.001391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 712.006855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.011101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.015350] __run_timers+0x7e5/0xc70 [ 712.019177] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 712.024549] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 712.029576] ? graph_lock+0x170/0x170 [ 712.033395] ? enqueue_hrtimer+0x1a5/0x560 [ 712.037634] ? lock_release+0x970/0x970 [ 712.041621] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 712.046826] ? find_held_lock+0x36/0x1c0 [ 712.050898] ? graph_lock+0x170/0x170 [ 712.054710] ? pvclock_read_flags+0x160/0x160 [ 712.059214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.064762] ? check_preemption_disabled+0x48/0x280 [ 712.069799] ? __lock_is_held+0xb5/0x140 [ 712.073869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.079413] ? check_preemption_disabled+0x48/0x280 [ 712.084446] run_timer_softirq+0x52/0xb0 [ 712.088518] ? rcu_read_lock_sched_held+0x108/0x120 [ 712.093545] __do_softirq+0x30c/0xb03 [ 712.097369] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 712.102485] ? pvclock_read_flags+0x160/0x160 [ 712.106987] ? lapic_next_event+0x5a/0x90 [ 712.111147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.116695] ? check_preemption_disabled+0x48/0x280 [ 712.122062] ? check_preemption_disabled+0x48/0x280 [ 712.127097] ? kvm_clock_read+0x18/0x30 [ 712.131083] ? kvm_sched_clock_read+0x9/0x20 [ 712.135509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.141052] ? check_preemption_disabled+0x48/0x280 [ 712.146088] irq_exit+0x17f/0x1c0 [ 712.149555] smp_apic_timer_interrupt+0x1cb/0x760 [ 712.154407] ? smp_reschedule_interrupt+0x109/0x650 [ 712.159432] ? smp_call_function_single_interrupt+0x650/0x650 [ 712.165330] ? interrupt_entry+0xb5/0xf0 [ 712.169403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.174425] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.179453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.184304] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.189325] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.194351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.199899] ? check_preemption_disabled+0x48/0x280 [ 712.204922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.210475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.215342] apic_timer_interrupt+0xf/0x20 [ 712.219575] [ 712.221835] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 712.226776] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 712.245683] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 712.253416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 712.260690] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 712.267961] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 712.275234] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 712.282514] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 712.289849] skb_clone+0x1bb/0x500 [ 712.293404] ? skb_split+0x11e0/0x11e0 [ 712.297308] ? preempt_notifier_register+0x200/0x200 [ 712.302422] ? __switch_to_asm+0x34/0x70 [ 712.306495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 712.311268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 712.316043] bpf_clone_redirect+0xb9/0x490 [ 712.320300] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 712.325337] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 712.330118] ? find_held_lock+0x36/0x1c0 [ 712.334200] ? lock_acquire+0x1ed/0x520 [ 712.338180] ? bpf_test_run+0x3cb/0x780 [ 712.342165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.347718] ? check_preemption_disabled+0x48/0x280 [ 712.352752] ? kasan_check_read+0x11/0x20 [ 712.356914] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 712.362197] ? rcu_bh_qs+0xc0/0xc0 [ 712.365754] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 712.370967] ? bpf_test_run+0x25d/0x780 [ 712.374962] ? netlink_diag_dump+0x2a0/0x2a0 [ 712.379385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.384931] ? bpf_test_init.isra.10+0x70/0x100 [ 712.389626] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 712.394408] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 712.399260] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.404805] ? fput+0x130/0x1a0 [ 712.408095] ? __bpf_prog_get+0x9b/0x290 [ 712.412175] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 712.417023] ? bpf_prog_test_run+0x130/0x1a0 [ 712.421448] ? __x64_sys_bpf+0x3d8/0x520 [ 712.425519] ? bpf_prog_get+0x20/0x20 [ 712.429354] ? do_syscall_64+0x1b9/0x820 [ 712.433427] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 712.438810] ? syscall_return_slowpath+0x5e0/0x5e0 [ 712.443751] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.448777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 712.453801] ? recalc_sigpending_tsk+0x180/0x180 [ 712.458567] ? kasan_check_write+0x14/0x20 [ 712.462825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.467687] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.473084] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 712.473090] warn_alloc_show_mem: 1 callbacks suppressed [ 712.473098] Mem-Info: [ 712.480118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.480128] Call Trace: [ 712.485506] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 712.485506] active_file:13 inactive_file:34 isolated_file:0 [ 712.485506] unevictable:0 dirty:0 writeback:0 unstable:0 [ 712.485506] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 712.485506] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 712.485506] free:13625 free_pcp:139 free_cma:0 [ 712.487889] [ 712.497258] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 712.499849] dump_stack+0x1c4/0x2b6 [ 712.532713] Node 0 [ 712.534876] ? dump_stack_print_info.cold.1+0x20/0x20 [ 712.562466] 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 [ 712.566086] warn_alloc.cold.119+0xb7/0x1bd [ 712.568290] lowmem_reserve[]: [ 712.573481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 712.598969] 0 [ 712.603308] ? lock_downgrade+0x900/0x900 [ 712.606401] 2819 6323 [ 712.611265] ? trace_hardirqs_off+0xb8/0x310 [ 712.613037] 6323 [ 712.617200] ? trace_hardirqs_off+0xb8/0x310 [ 712.619678] Node 0 [ 712.624096] __alloc_pages_slowpath+0x265e/0x2d70 [ 712.626164] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 712.630576] ? warn_alloc+0x120/0x120 [ 712.632760] lowmem_reserve[]: 0 [ 712.637624] ? trace_hardirqs_on+0x310/0x310 [ 712.664759] 0 3503 [ 712.668588] ? warn_alloc+0x120/0x120 [ 712.671850] 3503 [ 712.676260] ? print_usage_bug+0xc0/0xc0 [ 712.682279] ? warn_alloc+0x120/0x120 [ 712.684329] Node 0 [ 712.688385] ? ktime_get+0x2e1/0x440 [ 712.688403] ? print_usage_bug+0xc0/0xc0 [ 712.692217] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 712.694425] ? __lock_acquire+0x7ec/0x4ec0 [ 712.698117] lowmem_reserve[]: 0 [ 712.702190] ? __lock_acquire+0x7ec/0x4ec0 [ 712.730531] 0 0 [ 712.734780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.738042] 0 [ 712.742283] ? should_fail+0x22d/0xd01 [ 712.744239] Node 0 [ 712.749774] ? __lock_acquire+0x7ec/0x4ec0 [ 712.751552] DMA: 1*4kB [ 712.755511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.757729] (U) [ 712.761966] ? __lock_acquire+0x7ec/0x4ec0 [ 712.764535] 0*8kB [ 712.769647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.771619] 0*16kB [ 712.775855] ? __lock_acquire+0x7ec/0x4ec0 [ 712.777987] 1*32kB [ 712.783088] ? should_fail+0x22d/0xd01 [ 712.785317] (U) [ 712.789559] ? mark_held_locks+0x130/0x130 [ 712.791776] 2*64kB [ 712.795668] ? mark_held_locks+0x130/0x130 [ 712.797626] (U) 1*128kB [ 712.801877] ? graph_lock+0x170/0x170 [ 712.804092] (U) [ 712.808332] ? print_usage_bug+0xc0/0xc0 [ 712.810987] 1*256kB [ 712.814791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.816747] (U) [ 712.820811] ? check_preemption_disabled+0x48/0x280 [ 712.823116] 0*512kB [ 712.828653] ? check_preemption_disabled+0x48/0x280 [ 712.830623] 1*1024kB [ 712.835653] ? __lock_is_held+0xb5/0x140 [ 712.837954] (U) [ 712.842975] __alloc_pages_nodemask+0xa80/0xde0 [ 712.845356] 1*2048kB (M) [ 712.849427] ? graph_lock+0x170/0x170 [ 712.851389] 3*4096kB [ 712.856940] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 712.859678] (M) [ 712.863478] ? graph_lock+0x170/0x170 [ 712.865876] = 15908kB [ 712.870917] ? find_held_lock+0x36/0x1c0 [ 712.872871] Node 0 [ 712.876689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 712.879073] DMA32: [ 712.883135] ? lock_downgrade+0x900/0x900 [ 712.885354] 3*4kB [ 712.890025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.892238] (M) [ 712.896392] cache_grow_begin+0x91/0x8c0 [ 712.898513] 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24868kB [ 712.898571] Node 0 Normal: 871*4kB (MEH) 470*8kB (MEH) 180*16kB (UMEH) 61*32kB (UME) 19*64kB [ 712.905347] ? do_raw_spin_unlock+0xa7/0x330 [ 712.907298] (UMH) 0*128kB [ 712.911378] fallback_alloc+0x203/0x2e0 [ 712.924446] 0*256kB 0*512kB [ 712.933128] ____cache_alloc_node+0x1c7/0x1e0 [ 712.937522] 0*1024kB [ 712.940371] kmem_cache_alloc_node+0xe3/0x730 [ 712.944335] 0*2048kB [ 712.947366] ? ipv6_get_ifaddr+0x42e/0x620 [ 712.951836] 0*4096kB = 13292kB [ 712.954268] __alloc_skb+0x119/0x770 [ 712.958746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 712.961172] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 712.965392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 712.968579] ? skb_scrub_packet+0x490/0x490 [ 712.972282] 238 total pagecache pages [ 712.981119] ? lock_downgrade+0x900/0x900 [ 712.986392] 0 pages in swap cache [ 712.994972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.999270] Swap cache stats: add 0, delete 0, find 0/0 [ 713.003069] ? refcount_sub_and_test_checked+0x203/0x310 [ 713.007189] Free swap = 0kB [ 713.007199] Total swap = 0kB [ 713.010654] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 713.016171] 1965979 pages RAM [ 713.021541] ? addrconf_rs_timer+0x690/0x690 [ 713.026971] 0 pages HighMem/MovableOnly [ 713.030001] ndisc_alloc_skb+0x144/0x340 [ 713.032988] 342306 pages reserved [ 713.032998] 0 pages cma reserved [ 713.038454] ndisc_send_rs+0x331/0x6e0 [ 713.041628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 713.045950] addrconf_rs_timer+0x314/0x690 [ 713.050174] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.053973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.057425] syz-executor4 cpuset= [ 713.060812] call_timer_fn+0x272/0x920 [ 713.064672] syz4 [ 713.071169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.075390] mems_allowed=0 [ 713.085885] ? process_timeout+0x40/0x40 [ 713.110619] ? find_held_lock+0x36/0x1c0 [ 713.114807] ? mark_held_locks+0xc7/0x130 [ 713.119462] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.123971] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.128476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.132724] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 713.137320] ? trace_hardirqs_on+0xbd/0x310 [ 713.141653] ? kasan_check_read+0x11/0x20 [ 713.145814] ? __run_timers+0x7da/0xc70 [ 713.149808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.155298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.159551] __run_timers+0x7e5/0xc70 [ 713.163381] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 713.168764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 713.173797] ? graph_lock+0x170/0x170 [ 713.177626] ? print_usage_bug+0xc0/0xc0 [ 713.181696] ? enqueue_hrtimer+0x1a5/0x560 [ 713.185937] ? lock_release+0x970/0x970 [ 713.189927] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 713.195133] ? find_held_lock+0x36/0x1c0 [ 713.199218] ? graph_lock+0x170/0x170 [ 713.203033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.208582] ? check_preemption_disabled+0x48/0x280 [ 713.213650] ? __lock_is_held+0xb5/0x140 [ 713.217728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.223277] ? check_preemption_disabled+0x48/0x280 [ 713.228475] run_timer_softirq+0x52/0xb0 [ 713.232552] ? rcu_read_lock_sched_held+0x108/0x120 [ 713.237584] __do_softirq+0x30c/0xb03 [ 713.241438] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 713.246555] ? pvclock_read_flags+0x160/0x160 [ 713.251056] ? lapic_next_event+0x5a/0x90 [ 713.255211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.260774] ? check_preemption_disabled+0x48/0x280 [ 713.265799] ? check_preemption_disabled+0x48/0x280 [ 713.270829] ? kvm_clock_read+0x18/0x30 [ 713.274808] ? kvm_sched_clock_read+0x9/0x20 [ 713.279226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.284775] ? check_preemption_disabled+0x48/0x280 [ 713.289816] irq_exit+0x17f/0x1c0 [ 713.293282] smp_apic_timer_interrupt+0x1cb/0x760 [ 713.298133] ? smp_reschedule_interrupt+0x109/0x650 [ 713.303157] ? smp_call_function_single_interrupt+0x650/0x650 [ 713.309053] ? interrupt_entry+0xb5/0xf0 [ 713.313124] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.318148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.323171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.328023] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.333044] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.338070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.343634] ? check_preemption_disabled+0x48/0x280 [ 713.348663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.354224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.359085] apic_timer_interrupt+0xf/0x20 [ 713.363408] [ 713.365653] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 713.370853] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 713.389764] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 713.397486] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 713.404761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 713.412035] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 713.419310] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 713.426583] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 713.433927] retint_kernel+0x1b/0x2d [ 713.437652] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 713.442937] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 713.461842] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 713.469560] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 713.476843] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 713.484116] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 713.491390] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 713.498663] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 713.505969] ? arch_local_irq_restore+0x45/0x52 [ 713.510668] dump_stack+0x26a/0x2b6 [ 713.514313] ? dump_stack_print_info.cold.1+0x20/0x20 [ 713.519517] ? mark_held_locks+0x130/0x130 [ 713.523757] ? mark_held_locks+0x130/0x130 [ 713.528007] dump_header+0x27b/0xf72 [ 713.531743] ? pagefault_out_of_memory+0x197/0x197 [ 713.536687] ? __lock_acquire+0x7ec/0x4ec0 [ 713.540934] ? print_usage_bug+0xc0/0xc0 [ 713.545009] ? graph_lock+0x170/0x170 [ 713.548817] ? graph_lock+0x170/0x170 [ 713.552633] ? print_usage_bug+0xc0/0xc0 [ 713.556702] ? print_usage_bug+0xc0/0xc0 [ 713.560773] ? print_usage_bug+0xc0/0xc0 [ 713.564851] ? find_held_lock+0x36/0x1c0 [ 713.568929] ? mark_held_locks+0xc7/0x130 [ 713.573088] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 713.578202] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 713.583316] ? lockdep_hardirqs_on+0x421/0x5c0 [ 713.587909] ? trace_hardirqs_on+0xbd/0x310 [ 713.592236] ? kasan_check_read+0x11/0x20 [ 713.596388] ? ___ratelimit+0x36f/0x655 [ 713.600371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.605829] ? trace_hardirqs_on+0x310/0x310 [ 713.610243] ? lock_downgrade+0x900/0x900 [ 713.614409] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 713.619523] ? ___ratelimit+0xaa/0x655 [ 713.623419] ? idr_get_free+0xec0/0xec0 [ 713.627406] ? kasan_check_write+0x14/0x20 [ 713.631655] ? do_raw_spin_lock+0xc1/0x230 [ 713.635910] oom_kill_process.cold.27+0x10/0x903 [ 713.640674] ? graph_lock+0x170/0x170 [ 713.644484] ? _raw_spin_unlock+0x2c/0x50 [ 713.648642] ? oom_badness+0xe6/0xaa0 [ 713.652459] ? oom_evaluate_task+0x540/0x540 [ 713.656878] ? find_held_lock+0x36/0x1c0 [ 713.660957] ? out_of_memory+0x974/0x1430 [ 713.665114] ? lock_downgrade+0x900/0x900 [ 713.669272] ? check_preemption_disabled+0x48/0x280 [ 713.674307] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 713.680111] ? kasan_check_read+0x11/0x20 [ 713.684274] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 713.689562] ? rcu_bh_qs+0xc0/0xc0 [ 713.693132] ? kasan_check_write+0x14/0x20 [ 713.697379] ? oom_evaluate_task+0x302/0x540 [ 713.701802] out_of_memory+0xa84/0x1430 [ 713.705799] ? oom_killer_disable+0x3a0/0x3a0 [ 713.710305] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 713.715249] ? __mutex_add_waiter+0x2a0/0x2a0 [ 713.719772] __alloc_pages_slowpath+0x230f/0x2d70 [ 713.724670] ? warn_alloc+0x120/0x120 [ 713.728477] ? __radix_tree_lookup+0x4c0/0x4c0 [ 713.733087] ? find_get_entry+0x2f2/0xc40 [ 713.737258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.742815] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 713.747758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.753307] ? should_fail+0x22d/0xd01 [ 713.757211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.762322] ? __lock_is_held+0xb5/0x140 [ 713.766422] ? __lock_is_held+0xb5/0x140 [ 713.770648] ? find_held_lock+0x36/0x1c0 [ 713.774732] ? ___might_sleep+0x1ed/0x300 [ 713.778886] ? lock_release+0x970/0x970 [ 713.782875] ? arch_local_save_flags+0x40/0x40 [ 713.787487] ? __might_sleep+0x95/0x190 [ 713.791484] __alloc_pages_nodemask+0xa80/0xde0 [ 713.796180] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 713.801213] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 713.807020] ? kasan_check_read+0x11/0x20 [ 713.811185] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 713.816475] ? graph_lock+0x170/0x170 [ 713.820288] ? print_usage_bug+0xc0/0xc0 [ 713.824368] ? graph_lock+0x170/0x170 [ 713.828177] ? graph_lock+0x170/0x170 [ 713.831992] ? __do_page_cache_readahead+0x7ce/0x980 [ 713.837113] ? find_held_lock+0x36/0x1c0 [ 713.841188] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 713.846748] alloc_pages_current+0x10c/0x210 [ 713.851165] ? lock_downgrade+0x900/0x900 [ 713.855329] __page_cache_alloc+0x38f/0x5b0 [ 713.859664] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 713.865473] ? kasan_check_read+0x11/0x20 [ 713.869649] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 713.874943] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 713.879640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.885196] ? check_preemption_disabled+0x48/0x280 [ 713.890240] filemap_fault+0x1594/0x25f0 [ 713.894326] ? __lock_page_or_retry+0xa00/0xa00 [ 713.899004] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 713.904814] ? kasan_check_read+0x11/0x20 [ 713.908974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 713.914272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 713.919402] ? rcu_bh_qs+0xc0/0xc0 [ 713.922969] ? trace_hardirqs_on+0xbd/0x310 [ 713.927314] ? kasan_check_read+0x11/0x20 [ 713.931484] ? __free_object+0x173/0x340 [ 713.935565] ? filemap_map_pages+0xdea/0x1980 [ 713.940093] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 713.945209] ? __free_object+0x173/0x340 [ 713.949281] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 713.954563] ? debug_object_free+0x325/0x690 [ 713.959003] ? find_get_pages_range_tag+0x1320/0x1320 [ 713.964214] ? graph_lock+0x170/0x170 [ 713.968034] ? kasan_check_read+0x11/0x20 [ 713.972197] ? debug_object_destroy+0x2b0/0x2b0 [ 713.976886] ? lock_acquire+0x1ed/0x520 [ 713.980868] ? ext4_filemap_fault+0x7a/0xad [ 713.985203] ? lock_release+0x970/0x970 [ 713.989201] ? arch_local_save_flags+0x40/0x40 [ 713.993795] ? futex_wait_setup+0x3e0/0x3e0 [ 713.998145] ? down_read+0xb0/0x1d0 [ 714.001782] ? ext4_filemap_fault+0x7a/0xad [ 714.006114] ? __down_interruptible+0x700/0x700 [ 714.010816] ext4_filemap_fault+0x82/0xad [ 714.014977] __do_fault+0x100/0x6b0 [ 714.018626] ? print_bad_pte+0x6c0/0x6c0 [ 714.022700] ? do_futex+0x249/0x26d0 [ 714.026423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.031968] ? check_preemption_disabled+0x48/0x280 [ 714.036994] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.041760] ? pmd_val+0x88/0x100 [ 714.045224] ? add_mm_counter_fast+0xd0/0xd0 [ 714.049640] ? pmd_val+0x88/0x100 [ 714.053101] ? add_mm_counter_fast+0xd0/0xd0 [ 714.057525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.063074] __handle_mm_fault+0x3709/0x53e0 [ 714.067491] ? debug_smp_processor_id+0x1c/0x20 [ 714.072177] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 714.077037] ? graph_lock+0x170/0x170 [ 714.080864] ? print_usage_bug+0xc0/0xc0 [ 714.084939] ? should_fail+0xaf/0xd01 [ 714.088746] ? graph_lock+0x170/0x170 [ 714.092548] ? graph_lock+0x170/0x170 [ 714.096376] ? handle_mm_fault+0x42a/0xc70 [ 714.100627] ? lock_downgrade+0x900/0x900 [ 714.104781] ? check_preemption_disabled+0x48/0x280 [ 714.109812] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 714.115666] ? kasan_check_read+0x11/0x20 [ 714.120329] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 714.125622] ? rcu_bh_qs+0xc0/0xc0 [ 714.129167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.134658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.140216] ? check_preemption_disabled+0x48/0x280 [ 714.145259] handle_mm_fault+0x54f/0xc70 [ 714.149329] ? __handle_mm_fault+0x53e0/0x53e0 [ 714.153935] ? find_vma+0x34/0x190 [ 714.157500] __do_page_fault+0x67d/0xed0 [ 714.161581] ? mm_fault_error+0x380/0x380 [ 714.165752] ? trace_hardirqs_off+0xb8/0x310 [ 714.170161] ? trace_hardirqs_on+0x310/0x310 [ 714.174600] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.179976] ? trace_hardirqs_on+0x310/0x310 [ 714.184398] do_page_fault+0xf2/0x7e0 [ 714.188206] ? vmalloc_sync_all+0x30/0x30 [ 714.192364] ? error_entry+0x70/0xd0 [ 714.196097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.201131] ? trace_hardirqs_on_caller+0xc0/0x310 [ 714.206066] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.210998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.215846] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.220863] ? trace_hardirqs_off+0x310/0x310 [ 714.225370] ? prepare_exit_to_usermode+0x291/0x3b0 [ 714.230401] ? page_fault+0x8/0x30 [ 714.233949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.238800] ? page_fault+0x8/0x30 [ 714.242342] page_fault+0x1e/0x30 [ 714.245798] RIP: 0033:0x45ddf3 [ 714.248997] Code: Bad RIP value. [ 714.252359] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 714.257726] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 714.264995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 714.272281] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 714.279549] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 714.286815] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 714.294125] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 714.294206] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 714.301417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.301423] Call Trace: [ 714.301430] [ 714.301455] dump_stack+0x1c4/0x2b6 [ 714.301474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 714.308060] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 714.317323] warn_alloc.cold.119+0xb7/0x1bd [ 714.319882] syz-fuzzer cpuset= [ 714.322032] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.325638] / [ 714.330833] ? lock_downgrade+0x900/0x900 [ 714.341057] mems_allowed=0 [ 714.345381] ? trace_hardirqs_off+0xb8/0x310 [ 714.366569] ? trace_hardirqs_off+0xb8/0x310 [ 714.371001] __alloc_pages_slowpath+0x265e/0x2d70 [ 714.375885] ? warn_alloc+0x120/0x120 [ 714.379697] ? warn_alloc+0x120/0x120 [ 714.383507] ? print_usage_bug+0xc0/0xc0 [ 714.387575] ? warn_alloc+0x120/0x120 [ 714.391394] ? print_usage_bug+0xc0/0xc0 [ 714.395463] ? __lock_acquire+0x7ec/0x4ec0 [ 714.399702] ? mark_held_locks+0x130/0x130 [ 714.403944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.409487] ? should_fail+0x22d/0xd01 [ 714.413387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.418494] ? __lock_acquire+0x7ec/0x4ec0 [ 714.422740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.427851] ? __lock_acquire+0x7ec/0x4ec0 [ 714.432089] ? should_fail+0x22d/0xd01 [ 714.435998] ? mark_held_locks+0x130/0x130 [ 714.440243] ? mark_held_locks+0x130/0x130 [ 714.444489] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 714.449618] ? graph_lock+0x170/0x170 [ 714.453424] ? print_usage_bug+0xc0/0xc0 [ 714.457504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.463046] ? check_preemption_disabled+0x48/0x280 [ 714.468067] ? check_preemption_disabled+0x48/0x280 [ 714.473117] ? __lock_is_held+0xb5/0x140 [ 714.477201] __alloc_pages_nodemask+0xa80/0xde0 [ 714.481896] ? graph_lock+0x170/0x170 [ 714.485716] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 714.490738] ? graph_lock+0x170/0x170 [ 714.494585] ? find_held_lock+0x36/0x1c0 [ 714.498674] ? ____cache_alloc_node+0x1c7/0x1e0 [ 714.503349] ? lock_downgrade+0x900/0x900 [ 714.507525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.513085] cache_grow_begin+0x91/0x8c0 [ 714.517169] ? do_raw_spin_unlock+0xa7/0x330 [ 714.521590] fallback_alloc+0x203/0x2e0 [ 714.525615] ____cache_alloc_node+0x1c7/0x1e0 [ 714.530129] kmem_cache_alloc_node+0xe3/0x730 [ 714.534645] ? ipv6_get_ifaddr+0x42e/0x620 [ 714.538900] __alloc_skb+0x119/0x770 [ 714.542625] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 714.547915] ? skb_scrub_packet+0x490/0x490 [ 714.552240] ? lock_downgrade+0x900/0x900 [ 714.556400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.561971] ? refcount_sub_and_test_checked+0x203/0x310 [ 714.567442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 714.572898] ? addrconf_rs_timer+0x690/0x690 [ 714.577326] ndisc_alloc_skb+0x144/0x340 [ 714.581401] ndisc_send_rs+0x331/0x6e0 [ 714.585299] addrconf_rs_timer+0x314/0x690 [ 714.589546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.593808] call_timer_fn+0x272/0x920 [ 714.597701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.601945] ? process_timeout+0x40/0x40 [ 714.606011] ? find_held_lock+0x36/0x1c0 [ 714.610091] ? __run_timers+0x7da/0xc70 [ 714.614082] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.618585] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.623116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.627365] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 714.631958] ? trace_hardirqs_on+0xbd/0x310 [ 714.636285] ? kasan_check_read+0x11/0x20 [ 714.640441] ? __run_timers+0x7da/0xc70 [ 714.644420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.649884] ? prandom_seed_full_state+0x3b0/0x3b0 [ 714.654823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.659084] __run_timers+0x7e5/0xc70 [ 714.662914] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 714.668286] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 714.673309] ? graph_lock+0x170/0x170 [ 714.677122] ? enqueue_hrtimer+0x1a5/0x560 [ 714.681359] ? lock_release+0x970/0x970 [ 714.685343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 714.690550] ? find_held_lock+0x36/0x1c0 [ 714.694626] ? graph_lock+0x170/0x170 [ 714.698438] ? pvclock_read_flags+0x160/0x160 [ 714.702942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.708513] ? check_preemption_disabled+0x48/0x280 [ 714.713547] ? __lock_is_held+0xb5/0x140 [ 714.717622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.723166] ? check_preemption_disabled+0x48/0x280 [ 714.728204] run_timer_softirq+0x52/0xb0 [ 714.732270] ? rcu_read_lock_sched_held+0x108/0x120 [ 714.737294] __do_softirq+0x30c/0xb03 [ 714.741129] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 714.746244] ? pvclock_read_flags+0x160/0x160 [ 714.750764] ? lapic_next_event+0x5a/0x90 [ 714.754917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.760461] ? check_preemption_disabled+0x48/0x280 [ 714.765482] ? check_preemption_disabled+0x48/0x280 [ 714.770509] ? kvm_clock_read+0x18/0x30 [ 714.774483] ? kvm_sched_clock_read+0x9/0x20 [ 714.778899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.784440] ? check_preemption_disabled+0x48/0x280 [ 714.789513] irq_exit+0x17f/0x1c0 [ 714.792971] smp_apic_timer_interrupt+0x1cb/0x760 [ 714.797816] ? smp_reschedule_interrupt+0x109/0x650 [ 714.802839] ? smp_call_function_single_interrupt+0x650/0x650 [ 714.808731] ? interrupt_entry+0xb5/0xf0 [ 714.812800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.817818] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.822841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.827693] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.832728] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.837752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.843296] ? check_preemption_disabled+0x48/0x280 [ 714.848313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.853860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.858717] apic_timer_interrupt+0xf/0x20 [ 714.862950] [ 714.865193] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 714.870134] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 714.889056] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 714.896777] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 714.904046] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 714.911317] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 714.918614] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 714.925888] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 714.933209] skb_clone+0x1bb/0x500 [ 714.936756] ? skb_split+0x11e0/0x11e0 [ 714.940659] ? preempt_notifier_register+0x200/0x200 [ 714.945766] ? __switch_to_asm+0x34/0x70 [ 714.949837] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.954634] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.959407] bpf_clone_redirect+0xb9/0x490 [ 714.963659] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 714.968688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.973469] ? find_held_lock+0x36/0x1c0 [ 714.977545] ? lock_acquire+0x1ed/0x520 [ 714.981524] ? bpf_test_run+0x3cb/0x780 [ 714.985533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.991079] ? check_preemption_disabled+0x48/0x280 [ 714.996123] ? kasan_check_read+0x11/0x20 [ 715.000290] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 715.005588] ? rcu_bh_qs+0xc0/0xc0 [ 715.009174] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 715.014386] ? bpf_test_run+0x25d/0x780 [ 715.018405] ? netlink_diag_dump+0x2a0/0x2a0 [ 715.022838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.028377] ? bpf_test_init.isra.10+0x70/0x100 [ 715.033055] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 715.037840] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 715.042687] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.048234] ? fput+0x130/0x1a0 [ 715.051523] ? __bpf_prog_get+0x9b/0x290 [ 715.055604] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 715.060452] ? bpf_prog_test_run+0x130/0x1a0 [ 715.064873] ? __x64_sys_bpf+0x3d8/0x520 [ 715.069068] ? bpf_prog_get+0x20/0x20 [ 715.072899] ? do_syscall_64+0x1b9/0x820 [ 715.076966] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 715.082339] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.087279] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.092298] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 715.097317] ? recalc_sigpending_tsk+0x180/0x180 [ 715.102096] ? kasan_check_write+0x14/0x20 [ 715.106350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.111216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.116614] warn_alloc_show_mem: 1 callbacks suppressed [ 715.116627] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 715.116630] Mem-Info: [ 715.116662] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 715.116662] active_file:13 inactive_file:34 isolated_file:0 [ 715.116662] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.116662] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 715.116662] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 715.116662] free:13625 free_pcp:139 free_cma:0 [ 715.122090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.122100] Call Trace: [ 715.129138] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 715.131543] [ 715.164434] Node 0 [ 715.173813] dump_stack+0x1c4/0x2b6 [ 715.176396] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 715.203985] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.206123] lowmem_reserve[]: [ 715.208378] warn_alloc.cold.119+0xb7/0x1bd [ 715.211976] 0 [ 715.237671] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.242838] 2819 [ 715.245951] ? lock_downgrade+0x900/0x900 [ 715.250282] 6323 [ 715.252095] ? trace_hardirqs_off+0xb8/0x310 [ 715.256917] 6323 [ 715.258984] ? trace_hardirqs_off+0xb8/0x310 [ 715.265184] __alloc_pages_slowpath+0x265e/0x2d70 [ 715.269565] Node 0 [ 715.271676] ? warn_alloc+0x120/0x120 [ 715.276061] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 715.280887] ? trace_hardirqs_on+0x310/0x310 [ 715.283112] lowmem_reserve[]: [ 715.286912] ? warn_alloc+0x120/0x120 [ 715.314067] 0 [ 715.318497] ? print_usage_bug+0xc0/0xc0 [ 715.321571] 0 3503 [ 715.325402] ? warn_alloc+0x120/0x120 [ 715.327185] 3503 [ 715.331247] ? ktime_get+0x2e1/0x440 [ 715.333468] Node 0 [ 715.337279] ? print_usage_bug+0xc0/0xc0 [ 715.339351] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 715.343046] ? __lock_acquire+0x7ec/0x4ec0 [ 715.345257] lowmem_reserve[]: 0 [ 715.349337] ? __lock_acquire+0x7ec/0x4ec0 [ 715.377697] 0 0 [ 715.381973] ? kasan_check_read+0x11/0x20 [ 715.385217] 0 [ 715.389472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.391427] Node 0 [ 715.395583] ? should_fail+0x22d/0xd01 [ 715.397382] DMA: [ 715.402928] ? rcu_bh_qs+0xc0/0xc0 [ 715.405153] 1*4kB [ 715.409053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.411094] (U) [ 715.414647] ? __lock_acquire+0x7ec/0x4ec0 [ 715.416783] 0*8kB [ 715.421911] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.423869] 0*16kB [ 715.428104] ? __lock_acquire+0x7ec/0x4ec0 [ 715.430243] 1*32kB [ 715.435349] ? should_fail+0x22d/0xd01 [ 715.437566] (U) [ 715.441817] ? rcu_idle_enter+0x4b0/0x4b0 [ 715.444032] 2*64kB (U) [ 715.447938] ? mark_held_locks+0x130/0x130 [ 715.449893] 1*128kB [ 715.454048] ? mark_held_locks+0x130/0x130 [ 715.456626] (U) 1*256kB [ 715.460881] ? mark_held_locks+0xc7/0x130 [ 715.463184] (U) [ 715.467419] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 715.467436] ? graph_lock+0x170/0x170 [ 715.470088] 0*512kB 1*1024kB [ 715.474244] ? print_usage_bug+0xc0/0xc0 [ 715.476203] (U) [ 715.481227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.485007] 1*2048kB [ 715.488119] ? check_preemption_disabled+0x48/0x280 [ 715.492166] (M) [ 715.494145] ? check_preemption_disabled+0x48/0x280 [ 715.494174] ? __lock_is_held+0xb5/0x140 [ 715.499683] 3*4096kB (M) [ 715.502113] __alloc_pages_nodemask+0xa80/0xde0 [ 715.507117] = 15908kB [ 715.509100] ? graph_lock+0x170/0x170 [ 715.514104] Node 0 [ 715.518175] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 715.520912] DMA32: [ 715.525580] ? graph_lock+0x170/0x170 [ 715.527981] 3*4kB [ 715.531793] ? find_held_lock+0x36/0x1c0 [ 715.534002] (M) [ 715.539031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 715.541232] 1*8kB (M) [ 715.545045] ? lock_downgrade+0x900/0x900 [ 715.547177] 3*16kB [ 715.551245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.553203] (UM) [ 715.557884] cache_grow_begin+0x91/0x8c0 [ 715.560356] 3*32kB (UM) [ 715.564519] ? do_raw_spin_unlock+0xa7/0x330 [ 715.566734] 4*64kB (M) [ 715.572291] fallback_alloc+0x203/0x2e0 [ 715.574331] 3*128kB [ 715.578398] ____cache_alloc_node+0x1c7/0x1e0 [ 715.581044] (M) 4*256kB [ 715.585471] kmem_cache_alloc_node+0xe3/0x730 [ 715.588030] (UM) [ 715.592008] ? ipv6_get_ifaddr+0x42e/0x620 [ 715.594329] 3*512kB (M) [ 715.598849] __alloc_skb+0x119/0x770 [ 715.601489] 3*1024kB (UM) [ 715.606021] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 715.608063] 3*2048kB [ 715.612304] ? skb_scrub_packet+0x490/0x490 [ 715.614953] (UM) [ 715.618674] ? lock_downgrade+0x900/0x900 [ 715.621504] 3*4096kB [ 715.626788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.629175] (M) [ 715.633503] ? refcount_sub_and_test_checked+0x203/0x310 [ 715.635550] = 24868kB [ 715.639704] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 715.642094] Node 0 [ 715.647647] ? addrconf_rs_timer+0x690/0x690 [ 715.649619] Normal: [ 715.655083] ndisc_alloc_skb+0x144/0x340 [ 715.657467] 871*4kB [ 715.662921] ndisc_send_rs+0x331/0x6e0 [ 715.665135] (MEH) [ 715.669568] addrconf_rs_timer+0x314/0x690 [ 715.671861] 470*8kB (MEH) [ 715.675935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.678237] 180*16kB [ 715.682136] call_timer_fn+0x272/0x920 [ 715.684259] (UMEH) [ 715.688494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.691320] 61*32kB [ 715.695556] ? process_timeout+0x40/0x40 [ 715.697942] (UME) [ 715.701830] ? find_held_lock+0x36/0x1c0 [ 715.704050] 19*64kB [ 715.708300] ? mark_held_locks+0xc7/0x130 [ 715.710613] (UMH) 0*128kB [ 715.714688] ? _raw_spin_unlock_irq+0x27/0x80 [ 715.716820] 0*256kB [ 715.720882] ? _raw_spin_unlock_irq+0x27/0x80 [ 715.723187] 0*512kB [ 715.727334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.730161] 0*1024kB [ 715.734662] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 715.736968] 0*2048kB [ 715.741464] ? trace_hardirqs_on+0xbd/0x310 [ 715.743772] 0*4096kB [ 715.748012] ? kasan_check_read+0x11/0x20 [ 715.750397] = 13292kB [ 715.750412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 715.754991] ? __run_timers+0x7da/0xc70 [ 715.757385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 715.761705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 715.764096] 238 total pagecache pages [ 715.768252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.770648] 0 pages in swap cache [ 715.779488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.783445] Swap cache stats: add 0, delete 0, find 0/0 [ 715.792033] __run_timers+0x7e5/0xc70 [ 715.797466] Free swap = 0kB [ 715.801288] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 715.805482] Total swap = 0kB [ 715.805491] 1965979 pages RAM [ 715.808954] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 715.813167] 0 pages HighMem/MovableOnly [ 715.818536] ? graph_lock+0x170/0x170 [ 715.822320] 342306 pages reserved [ 715.825346] ? print_usage_bug+0xc0/0xc0 [ 715.830689] 0 pages cma reserved [ 715.833709] ? enqueue_hrtimer+0x1a5/0x560 [ 715.836880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 715.841807] ? lock_release+0x970/0x970 [ 715.841825] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 715.841851] ? find_held_lock+0x36/0x1c0 [ 715.845877] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 715.849621] ? graph_lock+0x170/0x170 [ 715.853062] syz-executor4 cpuset= [ 715.858110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.861468] syz4 [ 715.865708] ? check_preemption_disabled+0x48/0x280 [ 715.872183] mems_allowed=0 [ 715.876166] ? __lock_is_held+0xb5/0x140 [ 715.922631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.928182] ? check_preemption_disabled+0x48/0x280 [ 715.933214] run_timer_softirq+0x52/0xb0 [ 715.937281] ? rcu_read_lock_sched_held+0x108/0x120 [ 715.942302] __do_softirq+0x30c/0xb03 [ 715.946123] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 715.951242] ? pvclock_read_flags+0x160/0x160 [ 715.955745] ? lapic_next_event+0x5a/0x90 [ 715.959905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.965454] ? check_preemption_disabled+0x48/0x280 [ 715.970475] ? check_preemption_disabled+0x48/0x280 [ 715.975514] ? kvm_clock_read+0x18/0x30 [ 715.979491] ? kvm_sched_clock_read+0x9/0x20 [ 715.983915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.989459] ? check_preemption_disabled+0x48/0x280 [ 715.994496] irq_exit+0x17f/0x1c0 [ 715.997958] smp_apic_timer_interrupt+0x1cb/0x760 [ 716.002802] ? smp_reschedule_interrupt+0x109/0x650 [ 716.007827] ? smp_call_function_single_interrupt+0x650/0x650 [ 716.013723] ? interrupt_entry+0xb5/0xf0 [ 716.017794] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.022815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.027840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.032707] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.037743] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.042767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.048315] ? check_preemption_disabled+0x48/0x280 [ 716.053335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.058891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.063748] apic_timer_interrupt+0xf/0x20 [ 716.067979] [ 716.070226] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 716.075424] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 716.094344] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 716.102074] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 716.109349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 716.116635] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 716.124398] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 716.131690] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 716.139016] retint_kernel+0x1b/0x2d [ 716.142913] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 716.148196] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 716.167104] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 716.174824] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 716.183084] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 716.190356] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 716.197637] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 716.204910] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 716.212216] ? arch_local_irq_restore+0x45/0x52 [ 716.216910] dump_stack+0x26a/0x2b6 [ 716.220547] ? dump_stack_print_info.cold.1+0x20/0x20 [ 716.225750] ? mark_held_locks+0x130/0x130 [ 716.229990] ? mark_held_locks+0x130/0x130 [ 716.234238] dump_header+0x27b/0xf72 [ 716.237971] ? pagefault_out_of_memory+0x197/0x197 [ 716.242922] ? __lock_acquire+0x7ec/0x4ec0 [ 716.247169] ? print_usage_bug+0xc0/0xc0 [ 716.251245] ? graph_lock+0x170/0x170 [ 716.255047] ? graph_lock+0x170/0x170 [ 716.258854] ? print_usage_bug+0xc0/0xc0 [ 716.262919] ? print_usage_bug+0xc0/0xc0 [ 716.266987] ? print_usage_bug+0xc0/0xc0 [ 716.271093] ? find_held_lock+0x36/0x1c0 [ 716.275190] ? mark_held_locks+0xc7/0x130 [ 716.279353] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 716.284477] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 716.289585] ? lockdep_hardirqs_on+0x421/0x5c0 [ 716.294190] ? trace_hardirqs_on+0xbd/0x310 [ 716.298516] ? kasan_check_read+0x11/0x20 [ 716.302672] ? ___ratelimit+0x36f/0x655 [ 716.306652] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 716.312109] ? trace_hardirqs_on+0x310/0x310 [ 716.316525] ? lock_downgrade+0x900/0x900 [ 716.320690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 716.325800] ? ___ratelimit+0xaa/0x655 [ 716.329695] ? idr_get_free+0xec0/0xec0 [ 716.333679] ? kasan_check_write+0x14/0x20 [ 716.337929] ? do_raw_spin_lock+0xc1/0x230 [ 716.342183] oom_kill_process.cold.27+0x10/0x903 [ 716.346949] ? graph_lock+0x170/0x170 [ 716.350759] ? _raw_spin_unlock+0x2c/0x50 [ 716.354912] ? oom_badness+0xe6/0xaa0 [ 716.358726] ? oom_evaluate_task+0x540/0x540 [ 716.363145] ? find_held_lock+0x36/0x1c0 [ 716.367219] ? out_of_memory+0x974/0x1430 [ 716.371374] ? lock_downgrade+0x900/0x900 [ 716.375542] ? check_preemption_disabled+0x48/0x280 [ 716.380587] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 716.386407] ? kasan_check_read+0x11/0x20 [ 716.390562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 716.395858] ? rcu_bh_qs+0xc0/0xc0 [ 716.399410] ? kasan_check_write+0x14/0x20 [ 716.403651] ? oom_evaluate_task+0x302/0x540 [ 716.408079] out_of_memory+0xa84/0x1430 [ 716.412069] ? oom_killer_disable+0x3a0/0x3a0 [ 716.416576] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 716.421529] ? __mutex_add_waiter+0x2a0/0x2a0 [ 716.426044] __alloc_pages_slowpath+0x230f/0x2d70 [ 716.430925] ? warn_alloc+0x120/0x120 [ 716.434729] ? __radix_tree_lookup+0x4c0/0x4c0 [ 716.439331] ? find_get_entry+0x2f2/0xc40 [ 716.443497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.449044] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 716.453978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.459523] ? should_fail+0x22d/0xd01 [ 716.463421] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.468551] ? __lock_is_held+0xb5/0x140 [ 716.472660] ? __lock_is_held+0xb5/0x140 [ 716.476739] ? find_held_lock+0x36/0x1c0 [ 716.480809] ? ___might_sleep+0x1ed/0x300 [ 716.484957] ? lock_release+0x970/0x970 [ 716.488936] ? arch_local_save_flags+0x40/0x40 [ 716.493540] ? __might_sleep+0x95/0x190 [ 716.497528] __alloc_pages_nodemask+0xa80/0xde0 [ 716.502211] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 716.507236] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 716.513037] ? kasan_check_read+0x11/0x20 [ 716.517190] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 716.522474] ? graph_lock+0x170/0x170 [ 716.526282] ? print_usage_bug+0xc0/0xc0 [ 716.530351] ? graph_lock+0x170/0x170 [ 716.534152] ? graph_lock+0x170/0x170 [ 716.537956] ? __do_page_cache_readahead+0x7ce/0x980 [ 716.543076] ? find_held_lock+0x36/0x1c0 [ 716.547164] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 716.552718] alloc_pages_current+0x10c/0x210 [ 716.557134] ? lock_downgrade+0x900/0x900 [ 716.561298] __page_cache_alloc+0x38f/0x5b0 [ 716.565637] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 716.571440] ? kasan_check_read+0x11/0x20 [ 716.575603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 716.580898] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 716.585574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.591134] ? check_preemption_disabled+0x48/0x280 [ 716.596167] filemap_fault+0x1594/0x25f0 [ 716.600252] ? __lock_page_or_retry+0xa00/0xa00 [ 716.604925] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 716.610730] ? kasan_check_read+0x11/0x20 [ 716.614884] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 716.620170] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 716.625282] ? rcu_bh_qs+0xc0/0xc0 [ 716.628831] ? trace_hardirqs_on+0xbd/0x310 [ 716.633158] ? kasan_check_read+0x11/0x20 [ 716.637315] ? __free_object+0x173/0x340 [ 716.641390] ? filemap_map_pages+0xdea/0x1980 [ 716.645915] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 716.651025] ? __free_object+0x173/0x340 [ 716.655098] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 716.660382] ? debug_object_free+0x325/0x690 [ 716.664801] ? find_get_pages_range_tag+0x1320/0x1320 [ 716.670003] ? graph_lock+0x170/0x170 [ 716.673820] ? kasan_check_read+0x11/0x20 [ 716.677980] ? debug_object_destroy+0x2b0/0x2b0 [ 716.682665] ? lock_acquire+0x1ed/0x520 [ 716.686647] ? ext4_filemap_fault+0x7a/0xad [ 716.690997] ? lock_release+0x970/0x970 [ 716.694979] ? arch_local_save_flags+0x40/0x40 [ 716.699569] ? futex_wait_setup+0x3e0/0x3e0 [ 716.703931] ? down_read+0xb0/0x1d0 [ 716.707566] ? ext4_filemap_fault+0x7a/0xad [ 716.711909] ? __down_interruptible+0x700/0x700 [ 716.716621] ext4_filemap_fault+0x82/0xad [ 716.720783] __do_fault+0x100/0x6b0 [ 716.724424] ? print_bad_pte+0x6c0/0x6c0 [ 716.728493] ? do_futex+0x249/0x26d0 [ 716.732213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.737763] ? check_preemption_disabled+0x48/0x280 [ 716.742789] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 716.747556] ? pmd_val+0x88/0x100 [ 716.751020] ? add_mm_counter_fast+0xd0/0xd0 [ 716.755434] ? pmd_val+0x88/0x100 [ 716.758892] ? add_mm_counter_fast+0xd0/0xd0 [ 716.763315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.768868] __handle_mm_fault+0x3709/0x53e0 [ 716.773288] ? debug_smp_processor_id+0x1c/0x20 [ 716.777975] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 716.782825] ? graph_lock+0x170/0x170 [ 716.786645] ? print_usage_bug+0xc0/0xc0 [ 716.790711] ? should_fail+0xaf/0xd01 [ 716.794531] ? graph_lock+0x170/0x170 [ 716.798336] ? graph_lock+0x170/0x170 [ 716.802166] ? handle_mm_fault+0x42a/0xc70 [ 716.806408] ? lock_downgrade+0x900/0x900 [ 716.810562] ? check_preemption_disabled+0x48/0x280 [ 716.815618] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 716.821426] ? kasan_check_read+0x11/0x20 [ 716.825589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 716.830895] ? rcu_bh_qs+0xc0/0xc0 [ 716.834445] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 716.839925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.845486] ? check_preemption_disabled+0x48/0x280 [ 716.851254] handle_mm_fault+0x54f/0xc70 [ 716.855338] ? __handle_mm_fault+0x53e0/0x53e0 [ 716.864669] ? find_vma+0x34/0x190 [ 716.870158] __do_page_fault+0x67d/0xed0 [ 716.874239] ? mm_fault_error+0x380/0x380 [ 716.878390] ? trace_hardirqs_off+0xb8/0x310 [ 716.882803] ? trace_hardirqs_on+0x310/0x310 [ 716.887220] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.892588] ? trace_hardirqs_on+0x310/0x310 [ 716.897024] do_page_fault+0xf2/0x7e0 [ 716.900833] ? vmalloc_sync_all+0x30/0x30 [ 716.905003] ? error_entry+0x70/0xd0 [ 716.908828] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.913866] ? trace_hardirqs_on_caller+0xc0/0x310 [ 716.918806] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.923738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.928592] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.933639] ? trace_hardirqs_off+0x310/0x310 [ 716.938146] ? prepare_exit_to_usermode+0x291/0x3b0 [ 716.943182] ? page_fault+0x8/0x30 [ 716.946752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.951618] ? page_fault+0x8/0x30 [ 716.955165] page_fault+0x1e/0x30 [ 716.958636] RIP: 0033:0x45ddf3 [ 716.961840] Code: Bad RIP value. [ 716.965208] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 716.970576] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 716.977862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 716.985155] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 716.992429] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 716.999698] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 717.007093] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 717.007178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 717.014384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.014390] Call Trace: [ 717.014397] [ 717.014421] dump_stack+0x1c4/0x2b6 [ 717.014442] ? dump_stack_print_info.cold.1+0x20/0x20 [ 717.021058] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 717.030329] warn_alloc.cold.119+0xb7/0x1bd [ 717.032889] syz-fuzzer cpuset= [ 717.035044] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.038651] / [ 717.043859] ? lock_downgrade+0x900/0x900 [ 717.054069] mems_allowed=0 [ 717.058435] ? trace_hardirqs_off+0xb8/0x310 [ 717.079659] ? trace_hardirqs_off+0xb8/0x310 [ 717.084089] __alloc_pages_slowpath+0x265e/0x2d70 [ 717.088990] ? warn_alloc+0x120/0x120 [ 717.092798] ? lock_release+0x970/0x970 [ 717.096781] ? warn_alloc+0x120/0x120 [ 717.100605] ? print_usage_bug+0xc0/0xc0 [ 717.104679] ? warn_alloc+0x120/0x120 [ 717.108487] ? print_usage_bug+0xc0/0xc0 [ 717.112560] ? __lock_acquire+0x7ec/0x4ec0 [ 717.116810] ? __lock_acquire+0x7ec/0x4ec0 [ 717.121057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.126609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.132154] ? should_fail+0x22d/0xd01 [ 717.136067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.141194] ? __lock_acquire+0x7ec/0x4ec0 [ 717.145439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.150544] ? __lock_acquire+0x7ec/0x4ec0 [ 717.154785] ? should_fail+0x22d/0xd01 [ 717.158690] ? mark_held_locks+0x130/0x130 [ 717.162939] ? mark_held_locks+0x130/0x130 [ 717.167179] ? graph_lock+0x170/0x170 [ 717.170985] ? print_usage_bug+0xc0/0xc0 [ 717.175050] ? graph_lock+0x170/0x170 [ 717.178854] ? print_usage_bug+0xc0/0xc0 [ 717.182921] ? wq_watchdog_touch+0x9c/0xfe [ 717.187166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.192737] ? check_preemption_disabled+0x48/0x280 [ 717.197758] ? check_preemption_disabled+0x48/0x280 [ 717.202791] ? __lock_is_held+0xb5/0x140 [ 717.206871] __alloc_pages_nodemask+0xa80/0xde0 [ 717.211546] ? graph_lock+0x170/0x170 [ 717.215359] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 717.220378] ? graph_lock+0x170/0x170 [ 717.224199] ? find_held_lock+0x36/0x1c0 [ 717.228774] ? ____cache_alloc_node+0x1c7/0x1e0 [ 717.233450] ? lock_downgrade+0x900/0x900 [ 717.237624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.243183] cache_grow_begin+0x91/0x8c0 [ 717.247255] ? do_raw_spin_unlock+0xa7/0x330 [ 717.251677] fallback_alloc+0x203/0x2e0 [ 717.255669] ____cache_alloc_node+0x1c7/0x1e0 [ 717.260182] kmem_cache_alloc_node+0xe3/0x730 [ 717.264701] ? ipv6_get_ifaddr+0x42e/0x620 [ 717.268952] __alloc_skb+0x119/0x770 [ 717.272672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 717.277962] ? skb_scrub_packet+0x490/0x490 [ 717.282295] ? lock_downgrade+0x900/0x900 [ 717.286463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.292011] ? refcount_sub_and_test_checked+0x203/0x310 [ 717.297470] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 717.302928] ? addrconf_rs_timer+0x690/0x690 [ 717.307359] ndisc_alloc_skb+0x144/0x340 [ 717.311432] ndisc_send_rs+0x331/0x6e0 [ 717.315332] addrconf_rs_timer+0x314/0x690 [ 717.319586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.323879] call_timer_fn+0x272/0x920 [ 717.327769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.332013] ? process_timeout+0x40/0x40 [ 717.336078] ? find_held_lock+0x36/0x1c0 [ 717.340160] ? __run_timers+0x7da/0xc70 [ 717.344148] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.348650] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.353150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.357389] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 717.361979] ? trace_hardirqs_on+0xbd/0x310 [ 717.366308] ? kasan_check_read+0x11/0x20 [ 717.370464] ? __run_timers+0x7da/0xc70 [ 717.374446] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 717.379906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.384154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.388397] __run_timers+0x7e5/0xc70 [ 717.392219] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 717.397612] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 717.402665] ? graph_lock+0x170/0x170 [ 717.406477] ? enqueue_hrtimer+0x1a5/0x560 [ 717.410716] ? lock_release+0x970/0x970 [ 717.414697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 717.419899] ? find_held_lock+0x36/0x1c0 [ 717.423969] ? graph_lock+0x170/0x170 [ 717.427775] ? pvclock_read_flags+0x160/0x160 [ 717.432277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.437825] ? check_preemption_disabled+0x48/0x280 [ 717.442862] ? __lock_is_held+0xb5/0x140 [ 717.446932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.452475] ? check_preemption_disabled+0x48/0x280 [ 717.457505] run_timer_softirq+0x52/0xb0 [ 717.461572] ? rcu_read_lock_sched_held+0x108/0x120 [ 717.466612] __do_softirq+0x30c/0xb03 [ 717.470462] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 717.475578] ? pvclock_read_flags+0x160/0x160 [ 717.480083] ? lapic_next_event+0x5a/0x90 [ 717.484240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.489791] ? check_preemption_disabled+0x48/0x280 [ 717.494811] ? check_preemption_disabled+0x48/0x280 [ 717.499839] ? kvm_clock_read+0x18/0x30 [ 717.503821] ? kvm_sched_clock_read+0x9/0x20 [ 717.508236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.513783] ? check_preemption_disabled+0x48/0x280 [ 717.518822] irq_exit+0x17f/0x1c0 [ 717.522283] smp_apic_timer_interrupt+0x1cb/0x760 [ 717.527134] ? smp_reschedule_interrupt+0x109/0x650 [ 717.532154] ? smp_call_function_single_interrupt+0x650/0x650 [ 717.538046] ? interrupt_entry+0xb5/0xf0 [ 717.542121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.547148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.552171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.557025] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.562050] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.567082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.572636] ? check_preemption_disabled+0x48/0x280 [ 717.577655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.583208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.588067] apic_timer_interrupt+0xf/0x20 [ 717.592297] [ 717.594548] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 717.599486] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 717.618397] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 717.626124] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 717.633400] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 717.640671] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 717.647939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 717.655209] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 717.662538] skb_clone+0x1bb/0x500 [ 717.666092] ? skb_split+0x11e0/0x11e0 [ 717.669996] ? preempt_notifier_register+0x200/0x200 [ 717.675106] ? __switch_to_asm+0x34/0x70 [ 717.679185] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 717.683951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 717.688727] bpf_clone_redirect+0xb9/0x490 [ 717.692980] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 717.698015] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 717.702792] ? find_held_lock+0x36/0x1c0 [ 717.706869] ? lock_acquire+0x1ed/0x520 [ 717.710851] ? bpf_test_run+0x3cb/0x780 [ 717.714828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.720374] ? check_preemption_disabled+0x48/0x280 [ 717.725403] ? kasan_check_read+0x11/0x20 [ 717.729559] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 717.734851] ? rcu_bh_qs+0xc0/0xc0 [ 717.738405] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 717.743619] ? bpf_test_run+0x25d/0x780 [ 717.747634] ? netlink_diag_dump+0x2a0/0x2a0 [ 717.752055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.757624] ? bpf_test_init.isra.10+0x70/0x100 [ 717.762309] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 717.767078] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 717.771931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.777473] ? fput+0x130/0x1a0 [ 717.780760] ? __bpf_prog_get+0x9b/0x290 [ 717.784831] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 717.791326] ? bpf_prog_test_run+0x130/0x1a0 [ 717.795746] ? __x64_sys_bpf+0x3d8/0x520 [ 717.799811] ? bpf_prog_get+0x20/0x20 [ 717.803651] ? do_syscall_64+0x1b9/0x820 [ 717.807724] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.813104] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.818052] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.823078] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 717.828134] ? recalc_sigpending_tsk+0x180/0x180 [ 717.832898] ? kasan_check_write+0x14/0x20 [ 717.837151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.842013] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.847404] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 717.847410] warn_alloc_show_mem: 1 callbacks suppressed [ 717.847417] Mem-Info: [ 717.854433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.854443] Call Trace: [ 717.859822] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 717.859822] active_file:13 inactive_file:34 isolated_file:0 [ 717.859822] unevictable:0 dirty:0 writeback:0 unstable:0 [ 717.859822] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 717.859822] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 717.859822] free:13625 free_pcp:139 free_cma:0 [ 717.862201] [ 717.871569] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 717.874160] dump_stack+0x1c4/0x2b6 [ 717.907026] Node 0 [ 717.909190] ? dump_stack_print_info.cold.1+0x20/0x20 [ 717.936773] 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 [ 717.940392] warn_alloc.cold.119+0xb7/0x1bd [ 717.942604] lowmem_reserve[]: [ 717.947800] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.973297] 0 2819 [ 717.977646] ? lock_downgrade+0x900/0x900 [ 717.980726] 6323 [ 717.985576] ? trace_hardirqs_off+0xb8/0x310 [ 717.987787] 6323 [ 717.991936] ? trace_hardirqs_off+0xb8/0x310 [ 717.998399] __alloc_pages_slowpath+0x265e/0x2d70 [ 718.000437] Node 0 [ 718.004873] ? warn_alloc+0x120/0x120 [ 718.009694] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 718.011905] ? trace_hardirqs_on+0x310/0x310 [ 718.015691] lowmem_reserve[]: [ 718.043062] ? warn_alloc+0x120/0x120 [ 718.047452] 0 0 [ 718.050572] ? print_usage_bug+0xc0/0xc0 [ 718.054344] 3503 3503 [ 718.056348] ? warn_alloc+0x120/0x120 [ 718.060411] Node 0 [ 718.062910] ? ktime_get+0x2e1/0x440 [ 718.066719] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 718.068930] ? print_usage_bug+0xc0/0xc0 [ 718.072620] lowmem_reserve[]: 0 [ 718.101020] ? __lock_acquire+0x7ec/0x4ec0 [ 718.105064] 0 [ 718.108347] ? __lock_acquire+0x7ec/0x4ec0 [ 718.112568] 0 [ 718.114385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.118953] 0 [ 718.120775] ? should_fail+0x22d/0xd01 [ 718.126290] Node 0 [ 718.128095] ? __lock_acquire+0x7ec/0x4ec0 [ 718.131966] DMA: 1*4kB [ 718.134216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.138433] (U) [ 718.141021] ? __lock_acquire+0x7ec/0x4ec0 [ 718.146105] 0*8kB [ 718.148084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.152301] 0*16kB [ 718.154453] ? __lock_acquire+0x7ec/0x4ec0 [ 718.159545] 1*32kB [ 718.161782] ? should_fail+0x22d/0xd01 [ 718.166002] (U) [ 718.168251] ? mark_held_locks+0x130/0x130 [ 718.172117] 2*64kB (U) [ 718.174108] ? mark_held_locks+0x130/0x130 [ 718.178325] 1*128kB (U) [ 718.180926] ? graph_lock+0x170/0x170 [ 718.185133] 1*256kB (U) [ 718.187820] ? print_usage_bug+0xc0/0xc0 [ 718.191622] 0*512kB [ 718.194295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.198333] 1*1024kB (U) [ 718.200677] ? check_preemption_disabled+0x48/0x280 [ 718.206205] 1*2048kB (M) [ 718.208980] ? check_preemption_disabled+0x48/0x280 [ 718.213969] 3*4096kB (M) [ 718.216748] ? __lock_is_held+0xb5/0x140 [ 718.221730] = 15908kB [ 718.221740] Node 0 [ 718.224508] __alloc_pages_nodemask+0xa80/0xde0 [ 718.228553] DMA32: [ 718.230963] ? graph_lock+0x170/0x170 [ 718.233187] 3*4kB [ 718.237861] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 718.240079] (M) [ 718.243882] ? graph_lock+0x170/0x170 [ 718.246017] 1*8kB [ 718.251044] ? find_held_lock+0x36/0x1c0 [ 718.252994] (M) [ 718.256802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 718.258926] 3*16kB [ 718.262985] ? lock_downgrade+0x900/0x900 [ 718.264939] (UM) 3*32kB [ 718.269639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.271850] (UM) [ 718.276006] cache_grow_begin+0x91/0x8c0 [ 718.278654] 4*64kB (M) [ 718.284202] ? do_raw_spin_unlock+0xa7/0x330 [ 718.286244] 3*128kB [ 718.290314] fallback_alloc+0x203/0x2e0 [ 718.292877] (M) [ 718.297301] ____cache_alloc_node+0x1c7/0x1e0 [ 718.299594] 4*256kB (UM) [ 718.303616] kmem_cache_alloc_node+0xe3/0x730 [ 718.305565] 3*512kB [ 718.310068] ? ipv6_get_ifaddr+0x42e/0x620 [ 718.312811] (M) [ 718.317316] __alloc_skb+0x119/0x770 [ 718.319615] 3*1024kB (UM) [ 718.323864] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 718.325820] 3*2048kB [ 718.329534] ? skb_scrub_packet+0x490/0x490 [ 718.332356] (UM) [ 718.337643] ? lock_downgrade+0x900/0x900 [ 718.340035] 3*4096kB [ 718.344368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.346405] (M) [ 718.350571] ? refcount_sub_and_test_checked+0x203/0x310 [ 718.352966] = 24868kB [ 718.358502] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 718.360467] Node 0 [ 718.365936] ? addrconf_rs_timer+0x690/0x690 [ 718.368326] Normal: [ 718.373787] ndisc_alloc_skb+0x144/0x340 [ 718.375999] 871*4kB [ 718.380413] ndisc_send_rs+0x331/0x6e0 [ 718.382743] (MEH) [ 718.386815] addrconf_rs_timer+0x314/0x690 [ 718.389118] 470*8kB [ 718.393008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.395136] (MEH) [ 718.399385] call_timer_fn+0x272/0x920 [ 718.401686] 180*16kB [ 718.405927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.408062] (UMEH) [ 718.411955] ? process_timeout+0x40/0x40 [ 718.414346] 61*32kB [ 718.418582] ? find_held_lock+0x36/0x1c0 [ 718.420843] (UME) 19*64kB [ 718.424927] ? mark_held_locks+0xc7/0x130 [ 718.427224] (UMH) [ 718.431293] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.434134] 0*128kB 0*256kB [ 718.438301] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.440434] 0*512kB [ 718.444927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.447923] 0*1024kB 0*2048kB [ 718.452428] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 718.454733] 0*4096kB [ 718.458971] ? trace_hardirqs_on+0xbd/0x310 [ 718.462144] = 13292kB [ 718.466751] ? kasan_check_read+0x11/0x20 [ 718.469151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 718.473467] ? __run_timers+0x7da/0xc70 [ 718.475865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 718.480011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 718.488831] 238 total pagecache pages [ 718.492819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.501368] 0 pages in swap cache [ 718.506819] __run_timers+0x7e5/0xc70 [ 718.510611] Swap cache stats: add 0, delete 0, find 0/0 [ 718.514866] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 718.518290] Free swap = 0kB [ 718.522097] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 718.527451] Total swap = 0kB [ 718.532821] ? graph_lock+0x170/0x170 [ 718.535823] 1965979 pages RAM [ 718.540839] ? print_usage_bug+0xc0/0xc0 [ 718.543836] 0 pages HighMem/MovableOnly [ 718.543846] 342306 pages reserved [ 718.547647] ? enqueue_hrtimer+0x1a5/0x560 [ 718.547664] ? lock_release+0x970/0x970 [ 718.550756] 0 pages cma reserved [ 718.554816] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 718.558856] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 718.562232] ? find_held_lock+0x36/0x1c0 [ 718.566551] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 718.570419] ? graph_lock+0x170/0x170 [ 718.573773] syz-executor4 cpuset= [ 718.578966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.585439] syz4 [ 718.589508] ? check_preemption_disabled+0x48/0x280 [ 718.599992] mems_allowed=0 [ 718.603806] ? __lock_is_held+0xb5/0x140 [ 718.626711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.632263] ? check_preemption_disabled+0x48/0x280 [ 718.637300] run_timer_softirq+0x52/0xb0 [ 718.641370] ? rcu_read_lock_sched_held+0x108/0x120 [ 718.646394] __do_softirq+0x30c/0xb03 [ 718.650220] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 718.655337] ? pvclock_read_flags+0x160/0x160 [ 718.659837] ? lapic_next_event+0x5a/0x90 [ 718.663995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.669543] ? check_preemption_disabled+0x48/0x280 [ 718.674568] ? check_preemption_disabled+0x48/0x280 [ 718.679628] ? kvm_clock_read+0x18/0x30 [ 718.683629] ? kvm_sched_clock_read+0x9/0x20 [ 718.688050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.693615] ? check_preemption_disabled+0x48/0x280 [ 718.698666] irq_exit+0x17f/0x1c0 [ 718.702130] smp_apic_timer_interrupt+0x1cb/0x760 [ 718.706979] ? smp_reschedule_interrupt+0x109/0x650 [ 718.712004] ? smp_call_function_single_interrupt+0x650/0x650 [ 718.717897] ? interrupt_entry+0xb5/0xf0 [ 718.721971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.726991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.732017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.736870] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.741895] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.746922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.752468] ? check_preemption_disabled+0x48/0x280 [ 718.757495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.763061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.767926] apic_timer_interrupt+0xf/0x20 [ 718.772191] [ 718.774438] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 718.779645] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 718.798573] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 718.806313] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 718.813592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 718.820887] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 718.828166] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 718.835442] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 718.842774] retint_kernel+0x1b/0x2d [ 718.846499] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 718.851788] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 718.871037] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 718.878759] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 718.886033] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 718.893310] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 718.900588] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 718.907879] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 718.915190] ? arch_local_irq_restore+0x45/0x52 [ 718.919884] dump_stack+0x26a/0x2b6 [ 718.923524] ? dump_stack_print_info.cold.1+0x20/0x20 [ 718.928732] ? mark_held_locks+0x130/0x130 [ 718.932974] ? mark_held_locks+0x130/0x130 [ 718.937219] dump_header+0x27b/0xf72 [ 718.940956] ? pagefault_out_of_memory+0x197/0x197 [ 718.945901] ? __lock_acquire+0x7ec/0x4ec0 [ 718.950147] ? print_usage_bug+0xc0/0xc0 [ 718.954228] ? graph_lock+0x170/0x170 [ 718.958031] ? graph_lock+0x170/0x170 [ 718.961836] ? print_usage_bug+0xc0/0xc0 [ 718.965903] ? print_usage_bug+0xc0/0xc0 [ 718.969974] ? print_usage_bug+0xc0/0xc0 [ 718.974059] ? find_held_lock+0x36/0x1c0 [ 718.978140] ? mark_held_locks+0xc7/0x130 [ 718.982302] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 718.987414] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 718.992524] ? lockdep_hardirqs_on+0x421/0x5c0 [ 718.997116] ? trace_hardirqs_on+0xbd/0x310 [ 719.001448] ? kasan_check_read+0x11/0x20 [ 719.005616] ? ___ratelimit+0x36f/0x655 [ 719.009608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.015094] ? trace_hardirqs_on+0x310/0x310 [ 719.019510] ? lock_downgrade+0x900/0x900 [ 719.023674] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 719.028785] ? ___ratelimit+0xaa/0x655 [ 719.032690] ? idr_get_free+0xec0/0xec0 [ 719.036673] ? kasan_check_write+0x14/0x20 [ 719.040919] ? do_raw_spin_lock+0xc1/0x230 [ 719.045171] oom_kill_process.cold.27+0x10/0x903 [ 719.049939] ? graph_lock+0x170/0x170 [ 719.053750] ? _raw_spin_unlock+0x2c/0x50 [ 719.057905] ? oom_badness+0xe6/0xaa0 [ 719.061720] ? oom_evaluate_task+0x540/0x540 [ 719.066144] ? find_held_lock+0x36/0x1c0 [ 719.070223] ? out_of_memory+0x974/0x1430 [ 719.074383] ? lock_downgrade+0x900/0x900 [ 719.078545] ? check_preemption_disabled+0x48/0x280 [ 719.083580] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 719.089403] ? kasan_check_read+0x11/0x20 [ 719.093558] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.098852] ? rcu_bh_qs+0xc0/0xc0 [ 719.102405] ? kasan_check_write+0x14/0x20 [ 719.106648] ? oom_evaluate_task+0x302/0x540 [ 719.111068] out_of_memory+0xa84/0x1430 [ 719.115064] ? oom_killer_disable+0x3a0/0x3a0 [ 719.119571] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 719.124529] ? __mutex_add_waiter+0x2a0/0x2a0 [ 719.129049] __alloc_pages_slowpath+0x230f/0x2d70 [ 719.133942] ? warn_alloc+0x120/0x120 [ 719.137748] ? __radix_tree_lookup+0x4c0/0x4c0 [ 719.142353] ? find_get_entry+0x2f2/0xc40 [ 719.146523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.152068] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 719.157031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.162577] ? should_fail+0x22d/0xd01 [ 719.166489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.171605] ? __lock_is_held+0xb5/0x140 [ 719.175714] ? __lock_is_held+0xb5/0x140 [ 719.179795] ? find_held_lock+0x36/0x1c0 [ 719.183871] ? ___might_sleep+0x1ed/0x300 [ 719.188021] ? lock_release+0x970/0x970 [ 719.192003] ? arch_local_save_flags+0x40/0x40 [ 719.196622] ? __might_sleep+0x95/0x190 [ 719.200625] __alloc_pages_nodemask+0xa80/0xde0 [ 719.205315] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 719.210341] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 719.216149] ? kasan_check_read+0x11/0x20 [ 719.220306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.225615] ? graph_lock+0x170/0x170 [ 719.229654] ? print_usage_bug+0xc0/0xc0 [ 719.233732] ? graph_lock+0x170/0x170 [ 719.237712] ? graph_lock+0x170/0x170 [ 719.241522] ? __do_page_cache_readahead+0x7ce/0x980 [ 719.246651] ? find_held_lock+0x36/0x1c0 [ 719.250726] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 719.256272] alloc_pages_current+0x10c/0x210 [ 719.260692] ? lock_downgrade+0x900/0x900 [ 719.264851] __page_cache_alloc+0x38f/0x5b0 [ 719.269179] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 719.274984] ? kasan_check_read+0x11/0x20 [ 719.279142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.284429] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 719.289106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.294652] ? check_preemption_disabled+0x48/0x280 [ 719.299685] filemap_fault+0x1594/0x25f0 [ 719.303768] ? __lock_page_or_retry+0xa00/0xa00 [ 719.308460] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 719.314270] ? kasan_check_read+0x11/0x20 [ 719.318428] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.323722] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 719.328832] ? rcu_bh_qs+0xc0/0xc0 [ 719.332383] ? trace_hardirqs_on+0xbd/0x310 [ 719.336714] ? kasan_check_read+0x11/0x20 [ 719.340871] ? __free_object+0x173/0x340 [ 719.344948] ? filemap_map_pages+0xdea/0x1980 [ 719.349457] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 719.354577] ? __free_object+0x173/0x340 [ 719.358657] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 719.363943] ? debug_object_free+0x325/0x690 [ 719.368367] ? find_get_pages_range_tag+0x1320/0x1320 [ 719.373581] ? graph_lock+0x170/0x170 [ 719.377413] ? kasan_check_read+0x11/0x20 [ 719.381570] ? debug_object_destroy+0x2b0/0x2b0 [ 719.386308] ? lock_acquire+0x1ed/0x520 [ 719.390293] ? ext4_filemap_fault+0x7a/0xad [ 719.394645] ? lock_release+0x970/0x970 [ 719.398638] ? arch_local_save_flags+0x40/0x40 [ 719.403244] ? futex_wait_setup+0x3e0/0x3e0 [ 719.407589] ? down_read+0xb0/0x1d0 [ 719.411238] ? ext4_filemap_fault+0x7a/0xad [ 719.415568] ? __down_interruptible+0x700/0x700 [ 719.420282] ext4_filemap_fault+0x82/0xad [ 719.424450] __do_fault+0x100/0x6b0 [ 719.428087] ? print_bad_pte+0x6c0/0x6c0 [ 719.432166] ? do_futex+0x249/0x26d0 [ 719.435884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.441430] ? check_preemption_disabled+0x48/0x280 [ 719.446452] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 719.451221] ? pmd_val+0x88/0x100 [ 719.454685] ? add_mm_counter_fast+0xd0/0xd0 [ 719.459102] ? pmd_val+0x88/0x100 [ 719.462562] ? add_mm_counter_fast+0xd0/0xd0 [ 719.466991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.472541] __handle_mm_fault+0x3709/0x53e0 [ 719.476961] ? debug_smp_processor_id+0x1c/0x20 [ 719.481655] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 719.486505] ? graph_lock+0x170/0x170 [ 719.490318] ? print_usage_bug+0xc0/0xc0 [ 719.494395] ? should_fail+0xaf/0xd01 [ 719.498206] ? graph_lock+0x170/0x170 [ 719.502010] ? graph_lock+0x170/0x170 [ 719.505844] ? handle_mm_fault+0x42a/0xc70 [ 719.510092] ? lock_downgrade+0x900/0x900 [ 719.514246] ? check_preemption_disabled+0x48/0x280 [ 719.519280] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 719.525086] ? kasan_check_read+0x11/0x20 [ 719.529245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.534531] ? rcu_bh_qs+0xc0/0xc0 [ 719.538082] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.543539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.549085] ? check_preemption_disabled+0x48/0x280 [ 719.554118] handle_mm_fault+0x54f/0xc70 [ 719.558191] ? __handle_mm_fault+0x53e0/0x53e0 [ 719.562785] ? find_vma+0x34/0x190 [ 719.566339] __do_page_fault+0x67d/0xed0 [ 719.570417] ? mm_fault_error+0x380/0x380 [ 719.574568] ? trace_hardirqs_off+0xb8/0x310 [ 719.578999] ? trace_hardirqs_on+0x310/0x310 [ 719.583414] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.588786] ? trace_hardirqs_on+0x310/0x310 [ 719.593208] do_page_fault+0xf2/0x7e0 [ 719.597016] ? vmalloc_sync_all+0x30/0x30 [ 719.601169] ? error_entry+0x70/0xd0 [ 719.604890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.609910] ? trace_hardirqs_on_caller+0xc0/0x310 [ 719.614846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 719.619782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.624648] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.629672] ? trace_hardirqs_off+0x310/0x310 [ 719.634179] ? prepare_exit_to_usermode+0x291/0x3b0 [ 719.639199] ? page_fault+0x8/0x30 [ 719.642750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.647619] ? page_fault+0x8/0x30 [ 719.651168] page_fault+0x1e/0x30 [ 719.654642] RIP: 0033:0x45ddf3 [ 719.657847] Code: Bad RIP value. [ 719.661212] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 719.666581] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 719.673877] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 719.681148] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 719.688428] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 719.695701] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 719.703010] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 719.703098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 719.710298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.710304] Call Trace: [ 719.710311] [ 719.710335] dump_stack+0x1c4/0x2b6 [ 719.710355] ? dump_stack_print_info.cold.1+0x20/0x20 [ 719.716921] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.726230] warn_alloc.cold.119+0xb7/0x1bd [ 719.728794] syz-fuzzer cpuset= [ 719.730946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.734551] / [ 719.739750] ? lock_downgrade+0x900/0x900 [ 719.749957] mems_allowed=0 [ 719.754285] ? trace_hardirqs_off+0xb8/0x310 [ 719.775461] ? trace_hardirqs_off+0xb8/0x310 [ 719.779893] __alloc_pages_slowpath+0x265e/0x2d70 [ 719.784783] ? warn_alloc+0x120/0x120 [ 719.788609] ? warn_alloc+0x120/0x120 [ 719.792434] ? print_usage_bug+0xc0/0xc0 [ 719.796500] ? warn_alloc+0x120/0x120 [ 719.800310] ? print_usage_bug+0xc0/0xc0 [ 719.804383] ? __lock_acquire+0x7ec/0x4ec0 [ 719.808629] ? __lock_acquire+0x7ec/0x4ec0 [ 719.812878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.818426] ? should_fail+0x22d/0xd01 [ 719.822320] ? __lock_acquire+0x7ec/0x4ec0 [ 719.826569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.831692] ? __lock_acquire+0x7ec/0x4ec0 [ 719.835939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.841047] ? __lock_acquire+0x7ec/0x4ec0 [ 719.845288] ? should_fail+0x22d/0xd01 [ 719.849195] ? mark_held_locks+0x130/0x130 [ 719.853442] ? mark_held_locks+0x130/0x130 [ 719.857696] ? graph_lock+0x170/0x170 [ 719.861503] ? print_usage_bug+0xc0/0xc0 [ 719.865571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.871131] ? check_preemption_disabled+0x48/0x280 [ 719.876155] ? check_preemption_disabled+0x48/0x280 [ 719.881192] ? __lock_is_held+0xb5/0x140 [ 719.885266] __alloc_pages_nodemask+0xa80/0xde0 [ 719.889948] ? graph_lock+0x170/0x170 [ 719.893763] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 719.898781] ? graph_lock+0x170/0x170 [ 719.902642] ? find_held_lock+0x36/0x1c0 [ 719.906727] ? ____cache_alloc_node+0x1c7/0x1e0 [ 719.911402] ? lock_downgrade+0x900/0x900 [ 719.915566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.921131] cache_grow_begin+0x91/0x8c0 [ 719.925195] ? do_raw_spin_unlock+0xa7/0x330 [ 719.929623] fallback_alloc+0x203/0x2e0 [ 719.933640] ____cache_alloc_node+0x1c7/0x1e0 [ 719.938158] kmem_cache_alloc_node+0xe3/0x730 [ 719.942660] ? ipv6_get_ifaddr+0x42e/0x620 [ 719.946913] __alloc_skb+0x119/0x770 [ 719.950644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 719.955940] ? skb_scrub_packet+0x490/0x490 [ 719.960267] ? lock_downgrade+0x900/0x900 [ 719.964441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.969990] ? refcount_sub_and_test_checked+0x203/0x310 [ 719.975460] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 719.980920] ? addrconf_rs_timer+0x690/0x690 [ 719.985351] ndisc_alloc_skb+0x144/0x340 [ 719.989449] ndisc_send_rs+0x331/0x6e0 [ 719.993353] addrconf_rs_timer+0x314/0x690 [ 719.997612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.001876] call_timer_fn+0x272/0x920 [ 720.005769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.010012] ? process_timeout+0x40/0x40 [ 720.014078] ? find_held_lock+0x36/0x1c0 [ 720.018162] ? __run_timers+0x7da/0xc70 [ 720.022158] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.026661] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.031163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.035406] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 720.040003] ? trace_hardirqs_on+0xbd/0x310 [ 720.044342] ? kasan_check_read+0x11/0x20 [ 720.048498] ? __run_timers+0x7da/0xc70 [ 720.052485] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 720.057945] ? work_on_cpu_safe+0x90/0x90 [ 720.062108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.066360] __run_timers+0x7e5/0xc70 [ 720.070188] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 720.075568] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 720.080609] ? graph_lock+0x170/0x170 [ 720.084419] ? enqueue_hrtimer+0x1a5/0x560 [ 720.088657] ? lock_release+0x970/0x970 [ 720.092641] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 720.097842] ? find_held_lock+0x36/0x1c0 [ 720.101912] ? graph_lock+0x170/0x170 [ 720.105725] ? pvclock_read_flags+0x160/0x160 [ 720.110234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.115781] ? check_preemption_disabled+0x48/0x280 [ 720.121108] ? __lock_is_held+0xb5/0x140 [ 720.125182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.130728] ? check_preemption_disabled+0x48/0x280 [ 720.135762] run_timer_softirq+0x52/0xb0 [ 720.139827] ? rcu_read_lock_sched_held+0x108/0x120 [ 720.144849] __do_softirq+0x30c/0xb03 [ 720.148670] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 720.153787] ? pvclock_read_flags+0x160/0x160 [ 720.158321] ? lapic_next_event+0x5a/0x90 [ 720.162473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.168016] ? check_preemption_disabled+0x48/0x280 [ 720.173034] ? check_preemption_disabled+0x48/0x280 [ 720.178053] ? kvm_clock_read+0x18/0x30 [ 720.182022] ? kvm_sched_clock_read+0x9/0x20 [ 720.186438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.191982] ? check_preemption_disabled+0x48/0x280 [ 720.197018] irq_exit+0x17f/0x1c0 [ 720.200479] smp_apic_timer_interrupt+0x1cb/0x760 [ 720.205324] ? smp_reschedule_interrupt+0x109/0x650 [ 720.210346] ? smp_call_function_single_interrupt+0x650/0x650 [ 720.216253] ? interrupt_entry+0xb5/0xf0 [ 720.220322] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.225344] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.230370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.235218] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.240238] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.245344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.250886] ? check_preemption_disabled+0x48/0x280 [ 720.255909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.261460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.266320] apic_timer_interrupt+0xf/0x20 [ 720.270551] [ 720.272798] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 720.277735] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 720.296649] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 720.304365] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 720.311636] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 720.318912] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 720.326194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 720.333502] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 720.340828] skb_clone+0x1bb/0x500 [ 720.344378] ? skb_split+0x11e0/0x11e0 [ 720.348275] ? preempt_notifier_register+0x200/0x200 [ 720.353409] ? __switch_to_asm+0x34/0x70 [ 720.357482] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 720.362251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 720.367021] bpf_clone_redirect+0xb9/0x490 [ 720.371300] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 720.376333] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 720.381103] ? find_held_lock+0x36/0x1c0 [ 720.385186] ? lock_acquire+0x1ed/0x520 [ 720.389167] ? bpf_test_run+0x3cb/0x780 [ 720.393153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.398704] ? check_preemption_disabled+0x48/0x280 [ 720.403735] ? kasan_check_read+0x11/0x20 [ 720.407895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 720.413181] ? rcu_bh_qs+0xc0/0xc0 [ 720.416732] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 720.421939] ? bpf_test_run+0x25d/0x780 [ 720.425933] ? netlink_diag_dump+0x2a0/0x2a0 [ 720.430371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.435914] ? bpf_test_init.isra.10+0x70/0x100 [ 720.440605] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 720.445378] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 720.450223] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 720.455766] ? fput+0x130/0x1a0 [ 720.459049] ? __bpf_prog_get+0x9b/0x290 [ 720.463138] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 720.467985] ? bpf_prog_test_run+0x130/0x1a0 [ 720.472406] ? __x64_sys_bpf+0x3d8/0x520 [ 720.476473] ? bpf_prog_get+0x20/0x20 [ 720.480302] ? do_syscall_64+0x1b9/0x820 [ 720.484374] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 720.489744] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.494683] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.499706] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 720.504731] ? recalc_sigpending_tsk+0x180/0x180 [ 720.509493] ? kasan_check_write+0x14/0x20 [ 720.513741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.518608] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 720.524027] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 720.524033] warn_alloc_show_mem: 1 callbacks suppressed [ 720.524041] Mem-Info: [ 720.531078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.536467] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 720.536467] active_file:13 inactive_file:34 isolated_file:0 [ 720.536467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 720.536467] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 720.536467] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 720.536467] free:13625 free_pcp:139 free_cma:0 [ 720.538845] Call Trace: [ 720.548241] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 720.581099] [ 720.583683] Node 0 [ 720.611285] dump_stack+0x1c4/0x2b6 [ 720.613442] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 720.615659] ? dump_stack_print_info.cold.1+0x20/0x20 [ 720.619267] lowmem_reserve[]: [ 720.644799] warn_alloc.cold.119+0xb7/0x1bd [ 720.649966] 0 [ 720.653077] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 720.657369] 2819 6323 [ 720.659186] ? lock_downgrade+0x900/0x900 [ 720.664001] 6323 [ 720.666505] ? trace_hardirqs_off+0xb8/0x310 [ 720.672705] ? trace_hardirqs_off+0xb8/0x310 [ 720.677087] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 720.681527] __alloc_pages_slowpath+0x265e/0x2d70 [ 720.681574] ? warn_alloc+0x120/0x120 [ 720.709310] lowmem_reserve[]: 0 [ 720.714190] ? warn_alloc+0x120/0x120 [ 720.717959] 0 [ 720.721241] ? print_usage_bug+0xc0/0xc0 [ 720.725023] 3503 [ 720.726832] ? warn_alloc+0x120/0x120 [ 720.730877] 3503 [ 720.732945] ? print_usage_bug+0xc0/0xc0 [ 720.736747] Node 0 [ 720.738816] ? __lock_acquire+0x7ec/0x4ec0 [ 720.742887] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 720.745100] ? __lock_acquire+0x7ec/0x4ec0 [ 720.749315] lowmem_reserve[]: 0 [ 720.777712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.781928] 0 [ 720.785217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.790728] 0 [ 720.792535] ? should_fail+0x22d/0xd01 [ 720.798061] 0 [ 720.799884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.803746] Node 0 [ 720.805554] ? __lock_acquire+0x7ec/0x4ec0 [ 720.810633] DMA: 1*4kB [ 720.812888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.817100] (U) [ 720.819687] ? __lock_acquire+0x7ec/0x4ec0 [ 720.824768] 0*8kB [ 720.826746] ? should_fail+0x22d/0xd01 [ 720.830954] 0*16kB 1*32kB [ 720.833129] ? mark_held_locks+0x130/0x130 [ 720.836988] (U) [ 720.839837] ? mark_held_locks+0x130/0x130 [ 720.844050] 2*64kB (U) [ 720.846040] ? graph_lock+0x170/0x170 [ 720.850249] 1*128kB (U) [ 720.852848] ? print_usage_bug+0xc0/0xc0 [ 720.856634] 1*256kB [ 720.859307] ? graph_lock+0x170/0x170 [ 720.863349] (U) [ 720.865674] ? print_usage_bug+0xc0/0xc0 [ 720.869449] 0*512kB 1*1024kB [ 720.871438] ? wq_watchdog_touch+0x9c/0xfe [ 720.875469] (U) 1*2048kB [ 720.878593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.882813] (M) [ 720.885576] ? check_preemption_disabled+0x48/0x280 [ 720.891087] 3*4096kB (M) [ 720.893082] ? check_preemption_disabled+0x48/0x280 [ 720.898078] = 15908kB [ 720.900850] ? __lock_is_held+0xb5/0x140 [ 720.905836] Node 0 [ 720.908256] __alloc_pages_nodemask+0xa80/0xde0 [ 720.912297] DMA32: 3*4kB [ 720.914547] ? graph_lock+0x170/0x170 [ 720.919191] (M) [ 720.921954] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 720.925733] 1*8kB [ 720.927706] ? graph_lock+0x170/0x170 [ 720.932702] (M) [ 720.934859] ? find_held_lock+0x36/0x1c0 [ 720.938633] 3*16kB [ 720.940630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 720.944666] (UM) [ 720.946911] ? lock_downgrade+0x900/0x900 [ 720.951554] 3*32kB (UM) [ 720.953652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.957772] 4*64kB (M) [ 720.960457] cache_grow_begin+0x91/0x8c0 [ 720.965973] 3*128kB [ 720.968557] ? do_raw_spin_unlock+0xa7/0x330 [ 720.972607] (M) [ 720.974946] fallback_alloc+0x203/0x2e0 [ 720.979329] 4*256kB [ 720.981311] ____cache_alloc_node+0x1c7/0x1e0 [ 720.985261] (UM) [ 720.987590] kmem_cache_alloc_node+0xe3/0x730 [ 720.992065] 3*512kB (M) [ 720.994148] ? ipv6_get_ifaddr+0x42e/0x620 [ 720.998621] 3*1024kB (UM) [ 721.001320] __alloc_skb+0x119/0x770 [ 721.005527] 3*2048kB [ 721.008378] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 721.012066] (UM) [ 721.014482] ? skb_scrub_packet+0x490/0x490 [ 721.019735] 3*4096kB [ 721.021802] ? lock_downgrade+0x900/0x900 [ 721.026099] (M) [ 721.028554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.032677] = 24868kB [ 721.034659] ? refcount_sub_and_test_checked+0x203/0x310 [ 721.040173] Node 0 [ 721.042604] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 721.048038] Normal: [ 721.050276] ? addrconf_rs_timer+0x690/0x690 [ 721.055705] 871*4kB [ 721.058039] ndisc_alloc_skb+0x144/0x340 [ 721.062418] (MEH) [ 721.064747] ndisc_send_rs+0x331/0x6e0 [ 721.068786] 470*8kB [ 721.070938] addrconf_rs_timer+0x314/0x690 [ 721.074803] (MEH) [ 721.077135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.081350] 180*16kB [ 721.083512] call_timer_fn+0x272/0x920 [ 721.087715] (UMEH) [ 721.090403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.094275] 61*32kB [ 721.096511] ? process_timeout+0x40/0x40 [ 721.100725] (UME) [ 721.103046] ? find_held_lock+0x36/0x1c0 [ 721.107093] 19*64kB [ 721.109252] ? mark_held_locks+0xc7/0x130 [ 721.113287] (UMH) [ 721.115627] ? _raw_spin_unlock_irq+0x27/0x80 [ 721.119745] 0*128kB 0*256kB [ 721.121908] ? _raw_spin_unlock_irq+0x27/0x80 [ 721.126382] 0*512kB [ 721.129410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.133878] 0*1024kB 0*2048kB [ 721.136215] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 721.140422] 0*4096kB = 13292kB [ 721.143646] ? trace_hardirqs_on+0xbd/0x310 [ 721.148225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.151429] ? kasan_check_read+0x11/0x20 [ 721.155738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.164579] ? __run_timers+0x7da/0xc70 [ 721.168711] 238 total pagecache pages [ 721.177299] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.181257] 0 pages in swap cache [ 721.185075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.190507] Swap cache stats: add 0, delete 0, find 0/0 [ 721.193963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.198172] Free swap = 0kB [ 721.198195] Total swap = 0kB [ 721.203575] __run_timers+0x7e5/0xc70 [ 721.207790] 1965979 pages RAM [ 721.210823] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 721.213810] 0 pages HighMem/MovableOnly [ 721.213820] 342306 pages reserved [ 721.217641] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 721.220728] 0 pages cma reserved [ 721.226299] ? graph_lock+0x170/0x170 [ 721.230340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 721.233720] ? print_usage_bug+0xc0/0xc0 [ 721.238845] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 721.242105] ? enqueue_hrtimer+0x1a5/0x560 [ 721.245893] syz-executor4 cpuset= [ 721.252379] ? lock_release+0x970/0x970 [ 721.252399] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 721.256454] syz4 [ 721.266966] ? find_held_lock+0x36/0x1c0 [ 721.271193] mems_allowed=0 [ 721.274649] ? graph_lock+0x170/0x170 [ 721.296543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.302091] ? check_preemption_disabled+0x48/0x280 [ 721.307136] ? __lock_is_held+0xb5/0x140 [ 721.311206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.317178] ? check_preemption_disabled+0x48/0x280 [ 721.322214] run_timer_softirq+0x52/0xb0 [ 721.326291] ? rcu_read_lock_sched_held+0x108/0x120 [ 721.331340] __do_softirq+0x30c/0xb03 [ 721.335162] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 721.340279] ? pvclock_read_flags+0x160/0x160 [ 721.344782] ? lapic_next_event+0x5a/0x90 [ 721.348937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.354497] ? check_preemption_disabled+0x48/0x280 [ 721.359522] ? check_preemption_disabled+0x48/0x280 [ 721.364552] ? kvm_clock_read+0x18/0x30 [ 721.368532] ? kvm_sched_clock_read+0x9/0x20 [ 721.372948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.378492] ? check_preemption_disabled+0x48/0x280 [ 721.383555] irq_exit+0x17f/0x1c0 [ 721.387016] smp_apic_timer_interrupt+0x1cb/0x760 [ 721.391862] ? smp_reschedule_interrupt+0x109/0x650 [ 721.396885] ? smp_call_function_single_interrupt+0x650/0x650 [ 721.402928] ? interrupt_entry+0xb5/0xf0 [ 721.406995] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.412014] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.417041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.421890] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.426915] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.431937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.437481] ? check_preemption_disabled+0x48/0x280 [ 721.442504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.448668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.453526] apic_timer_interrupt+0xf/0x20 [ 721.457759] [ 721.460002] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 721.465197] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 721.484124] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 721.491839] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 721.499107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 721.506377] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 721.513655] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 721.520940] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 721.528263] retint_kernel+0x1b/0x2d [ 721.532002] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 721.537285] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 721.556185] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 721.563899] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 721.571169] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 721.578438] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 721.585705] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 721.592973] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 721.600272] ? arch_local_irq_restore+0x45/0x52 [ 721.604959] dump_stack+0x26a/0x2b6 [ 721.608593] ? dump_stack_print_info.cold.1+0x20/0x20 [ 721.613806] ? mark_held_locks+0x130/0x130 [ 721.618045] ? mark_held_locks+0x130/0x130 [ 721.622299] dump_header+0x27b/0xf72 [ 721.626045] ? pagefault_out_of_memory+0x197/0x197 [ 721.630985] ? __lock_acquire+0x7ec/0x4ec0 [ 721.635227] ? print_usage_bug+0xc0/0xc0 [ 721.639300] ? graph_lock+0x170/0x170 [ 721.643102] ? graph_lock+0x170/0x170 [ 721.646907] ? print_usage_bug+0xc0/0xc0 [ 721.650969] ? print_usage_bug+0xc0/0xc0 [ 721.655034] ? print_usage_bug+0xc0/0xc0 [ 721.659111] ? find_held_lock+0x36/0x1c0 [ 721.663184] ? mark_held_locks+0xc7/0x130 [ 721.667363] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.672480] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.677589] ? lockdep_hardirqs_on+0x421/0x5c0 [ 721.682192] ? trace_hardirqs_on+0xbd/0x310 [ 721.686517] ? kasan_check_read+0x11/0x20 [ 721.690669] ? ___ratelimit+0x36f/0x655 [ 721.694654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.700109] ? trace_hardirqs_on+0x310/0x310 [ 721.704524] ? lock_downgrade+0x900/0x900 [ 721.709203] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 721.714309] ? ___ratelimit+0xaa/0x655 [ 721.718201] ? idr_get_free+0xec0/0xec0 [ 721.722198] ? kasan_check_write+0x14/0x20 [ 721.726436] ? do_raw_spin_lock+0xc1/0x230 [ 721.730693] oom_kill_process.cold.27+0x10/0x903 [ 721.735451] ? graph_lock+0x170/0x170 [ 721.739268] ? _raw_spin_unlock+0x2c/0x50 [ 721.743422] ? oom_badness+0xe6/0xaa0 [ 721.747235] ? oom_evaluate_task+0x540/0x540 [ 721.751679] ? find_held_lock+0x36/0x1c0 [ 721.755753] ? out_of_memory+0x974/0x1430 [ 721.759909] ? lock_downgrade+0x900/0x900 [ 721.764063] ? check_preemption_disabled+0x48/0x280 [ 721.769091] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 721.774894] ? kasan_check_read+0x11/0x20 [ 721.779045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 721.784324] ? rcu_bh_qs+0xc0/0xc0 [ 721.787870] ? kasan_check_write+0x14/0x20 [ 721.792111] ? oom_evaluate_task+0x302/0x540 [ 721.796526] out_of_memory+0xa84/0x1430 [ 721.800512] ? oom_killer_disable+0x3a0/0x3a0 [ 721.805028] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 721.809966] ? __mutex_add_waiter+0x2a0/0x2a0 [ 721.814480] __alloc_pages_slowpath+0x230f/0x2d70 [ 721.819361] ? warn_alloc+0x120/0x120 [ 721.823190] ? __radix_tree_lookup+0x4c0/0x4c0 [ 721.827790] ? find_get_entry+0x2f2/0xc40 [ 721.831952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.837494] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 721.842426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.847972] ? should_fail+0x22d/0xd01 [ 721.851866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.856972] ? __lock_is_held+0xb5/0x140 [ 721.861072] ? __lock_is_held+0xb5/0x140 [ 721.865160] ? find_held_lock+0x36/0x1c0 [ 721.869230] ? ___might_sleep+0x1ed/0x300 [ 721.873377] ? lock_release+0x970/0x970 [ 721.877367] ? arch_local_save_flags+0x40/0x40 [ 721.881981] ? __might_sleep+0x95/0x190 [ 721.885963] __alloc_pages_nodemask+0xa80/0xde0 [ 721.890670] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 721.895693] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 721.901494] ? kasan_check_read+0x11/0x20 [ 721.905646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 721.910935] ? graph_lock+0x170/0x170 [ 721.914743] ? print_usage_bug+0xc0/0xc0 [ 721.920892] ? graph_lock+0x170/0x170 [ 721.924696] ? graph_lock+0x170/0x170 [ 721.928503] ? __do_page_cache_readahead+0x7ce/0x980 [ 721.933649] ? find_held_lock+0x36/0x1c0 [ 721.937723] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 721.943267] alloc_pages_current+0x10c/0x210 [ 721.947676] ? lock_downgrade+0x900/0x900 [ 721.951832] __page_cache_alloc+0x38f/0x5b0 [ 721.956167] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 721.961966] ? kasan_check_read+0x11/0x20 [ 721.966119] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 721.971416] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 721.976088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.981646] ? check_preemption_disabled+0x48/0x280 [ 721.986677] filemap_fault+0x1594/0x25f0 [ 721.990761] ? __lock_page_or_retry+0xa00/0xa00 [ 721.995431] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 722.001231] ? kasan_check_read+0x11/0x20 [ 722.005384] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 722.010678] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 722.015784] ? rcu_bh_qs+0xc0/0xc0 [ 722.019329] ? trace_hardirqs_on+0xbd/0x310 [ 722.023653] ? kasan_check_read+0x11/0x20 [ 722.027808] ? __free_object+0x173/0x340 [ 722.031880] ? filemap_map_pages+0xdea/0x1980 [ 722.036387] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 722.041494] ? __free_object+0x173/0x340 [ 722.045562] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 722.050860] ? debug_object_free+0x325/0x690 [ 722.055285] ? find_get_pages_range_tag+0x1320/0x1320 [ 722.060487] ? graph_lock+0x170/0x170 [ 722.064299] ? kasan_check_read+0x11/0x20 [ 722.068455] ? debug_object_destroy+0x2b0/0x2b0 [ 722.073142] ? lock_acquire+0x1ed/0x520 [ 722.077124] ? ext4_filemap_fault+0x7a/0xad [ 722.081458] ? lock_release+0x970/0x970 [ 722.085434] ? arch_local_save_flags+0x40/0x40 [ 722.090025] ? futex_wait_setup+0x3e0/0x3e0 [ 722.094380] ? down_read+0xb0/0x1d0 [ 722.098035] ? ext4_filemap_fault+0x7a/0xad [ 722.102361] ? __down_interruptible+0x700/0x700 [ 722.107054] ext4_filemap_fault+0x82/0xad [ 722.111238] __do_fault+0x100/0x6b0 [ 722.114874] ? print_bad_pte+0x6c0/0x6c0 [ 722.119465] ? do_futex+0x249/0x26d0 [ 722.123187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.128730] ? check_preemption_disabled+0x48/0x280 [ 722.133751] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 722.138542] ? pmd_val+0x88/0x100 [ 722.142001] ? add_mm_counter_fast+0xd0/0xd0 [ 722.146412] ? pmd_val+0x88/0x100 [ 722.149869] ? add_mm_counter_fast+0xd0/0xd0 [ 722.154282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.159842] __handle_mm_fault+0x3709/0x53e0 [ 722.164253] ? debug_smp_processor_id+0x1c/0x20 [ 722.168937] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 722.173784] ? graph_lock+0x170/0x170 [ 722.177592] ? print_usage_bug+0xc0/0xc0 [ 722.181676] ? should_fail+0xaf/0xd01 [ 722.185495] ? graph_lock+0x170/0x170 [ 722.189312] ? graph_lock+0x170/0x170 [ 722.193149] ? handle_mm_fault+0x42a/0xc70 [ 722.197389] ? lock_downgrade+0x900/0x900 [ 722.201548] ? check_preemption_disabled+0x48/0x280 [ 722.206577] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 722.212393] ? kasan_check_read+0x11/0x20 [ 722.216548] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 722.221835] ? rcu_bh_qs+0xc0/0xc0 [ 722.225383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 722.230843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.236385] ? check_preemption_disabled+0x48/0x280 [ 722.241428] handle_mm_fault+0x54f/0xc70 [ 722.245494] ? __handle_mm_fault+0x53e0/0x53e0 [ 722.250087] ? find_vma+0x34/0x190 [ 722.253652] __do_page_fault+0x67d/0xed0 [ 722.257726] ? mm_fault_error+0x380/0x380 [ 722.261874] ? trace_hardirqs_off+0xb8/0x310 [ 722.266288] ? trace_hardirqs_on+0x310/0x310 [ 722.270701] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 722.276070] ? trace_hardirqs_on+0x310/0x310 [ 722.280491] do_page_fault+0xf2/0x7e0 [ 722.284302] ? vmalloc_sync_all+0x30/0x30 [ 722.288644] ? error_entry+0x70/0xd0 [ 722.292362] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.297398] ? trace_hardirqs_on_caller+0xc0/0x310 [ 722.302337] ? syscall_return_slowpath+0x5e0/0x5e0 [ 722.307270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.312117] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.317139] ? trace_hardirqs_off+0x310/0x310 [ 722.321660] ? prepare_exit_to_usermode+0x291/0x3b0 [ 722.326679] ? page_fault+0x8/0x30 [ 722.330228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.335076] ? page_fault+0x8/0x30 [ 722.338633] page_fault+0x1e/0x30 [ 722.342106] RIP: 0033:0x45ddf3 [ 722.345309] Code: Bad RIP value. [ 722.348673] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 722.354043] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 722.361312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 722.368584] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 722.375867] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 722.383144] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 722.390451] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 722.390537] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 722.397744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.397753] Call Trace: [ 722.404376] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 722.413586] [ 722.416179] syz-fuzzer cpuset= [ 722.426423] dump_stack+0x1c4/0x2b6 [ 722.428558] / [ 722.431766] ? dump_stack_print_info.cold.1+0x20/0x20 [ 722.435375] mems_allowed=0 [ 722.437118] warn_alloc.cold.119+0xb7/0x1bd [ 722.449527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 722.454378] ? lock_downgrade+0x900/0x900 [ 722.458541] ? trace_hardirqs_off+0xb8/0x310 [ 722.462965] ? trace_hardirqs_off+0xb8/0x310 [ 722.467410] __alloc_pages_slowpath+0x265e/0x2d70 [ 722.472307] ? warn_alloc+0x120/0x120 [ 722.476119] ? trace_hardirqs_on+0x310/0x310 [ 722.480535] ? warn_alloc+0x120/0x120 [ 722.484347] ? print_usage_bug+0xc0/0xc0 [ 722.488426] ? warn_alloc+0x120/0x120 [ 722.492231] ? ktime_get+0x2e1/0x440 [ 722.495960] ? print_usage_bug+0xc0/0xc0 [ 722.500032] ? __lock_acquire+0x7ec/0x4ec0 [ 722.504271] ? __lock_acquire+0x7ec/0x4ec0 [ 722.508526] ? kasan_check_read+0x11/0x20 [ 722.512679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.518222] ? should_fail+0x22d/0xd01 [ 722.522168] ? rcu_bh_qs+0xc0/0xc0 [ 722.525731] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.530838] ? __lock_acquire+0x7ec/0x4ec0 [ 722.535084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.540210] ? __lock_acquire+0x7ec/0x4ec0 [ 722.544479] ? should_fail+0x22d/0xd01 [ 722.548378] ? rcu_idle_enter+0x4b0/0x4b0 [ 722.552542] ? mark_held_locks+0x130/0x130 [ 722.556791] ? mark_held_locks+0x130/0x130 [ 722.561039] ? mark_held_locks+0xc7/0x130 [ 722.565195] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 722.570219] ? graph_lock+0x170/0x170 [ 722.574028] ? print_usage_bug+0xc0/0xc0 [ 722.578098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.583652] ? check_preemption_disabled+0x48/0x280 [ 722.588677] ? check_preemption_disabled+0x48/0x280 [ 722.593711] ? __lock_is_held+0xb5/0x140 [ 722.597798] __alloc_pages_nodemask+0xa80/0xde0 [ 722.602482] ? graph_lock+0x170/0x170 [ 722.606289] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 722.611310] ? graph_lock+0x170/0x170 [ 722.615133] ? find_held_lock+0x36/0x1c0 [ 722.619212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 722.623890] ? lock_downgrade+0x900/0x900 [ 722.628052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.633608] cache_grow_begin+0x91/0x8c0 [ 722.637680] ? do_raw_spin_unlock+0xa7/0x330 [ 722.642104] fallback_alloc+0x203/0x2e0 [ 722.646101] ____cache_alloc_node+0x1c7/0x1e0 [ 722.650626] kmem_cache_alloc_node+0xe3/0x730 [ 722.655146] ? ipv6_get_ifaddr+0x42e/0x620 [ 722.659396] __alloc_skb+0x119/0x770 [ 722.663146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 722.668429] ? skb_scrub_packet+0x490/0x490 [ 722.672768] ? lock_downgrade+0x900/0x900 [ 722.676931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.682471] ? refcount_sub_and_test_checked+0x203/0x310 [ 722.687928] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 722.693403] ? addrconf_rs_timer+0x690/0x690 [ 722.697843] ndisc_alloc_skb+0x144/0x340 [ 722.701914] ndisc_send_rs+0x331/0x6e0 [ 722.705815] addrconf_rs_timer+0x314/0x690 [ 722.710072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.714333] call_timer_fn+0x272/0x920 [ 722.718223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.722465] ? process_timeout+0x40/0x40 [ 722.726540] ? find_held_lock+0x36/0x1c0 [ 722.730625] ? __run_timers+0x7da/0xc70 [ 722.734621] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.739138] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.743643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.747887] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 722.752475] ? trace_hardirqs_on+0xbd/0x310 [ 722.756801] ? kasan_check_read+0x11/0x20 [ 722.760969] ? __run_timers+0x7da/0xc70 [ 722.764968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 722.770429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.774678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.778918] __run_timers+0x7e5/0xc70 [ 722.782745] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 722.788123] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 722.793154] ? graph_lock+0x170/0x170 [ 722.796966] ? enqueue_hrtimer+0x1a5/0x560 [ 722.801207] ? lock_release+0x970/0x970 [ 722.805194] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 722.810400] ? find_held_lock+0x36/0x1c0 [ 722.814473] ? graph_lock+0x170/0x170 [ 722.818279] ? pvclock_read_flags+0x160/0x160 [ 722.822783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.828327] ? check_preemption_disabled+0x48/0x280 [ 722.833366] ? __lock_is_held+0xb5/0x140 [ 722.837433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.842977] ? check_preemption_disabled+0x48/0x280 [ 722.848010] run_timer_softirq+0x52/0xb0 [ 722.852083] ? rcu_read_lock_sched_held+0x108/0x120 [ 722.857123] __do_softirq+0x30c/0xb03 [ 722.860952] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 722.866069] ? pvclock_read_flags+0x160/0x160 [ 722.870575] ? lapic_next_event+0x5a/0x90 [ 722.874745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.880296] ? check_preemption_disabled+0x48/0x280 [ 722.885321] ? check_preemption_disabled+0x48/0x280 [ 722.890356] ? kvm_clock_read+0x18/0x30 [ 722.894343] ? kvm_sched_clock_read+0x9/0x20 [ 722.898761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.904308] ? check_preemption_disabled+0x48/0x280 [ 722.909347] irq_exit+0x17f/0x1c0 [ 722.912812] smp_apic_timer_interrupt+0x1cb/0x760 [ 722.917661] ? smp_reschedule_interrupt+0x109/0x650 [ 722.922691] ? smp_call_function_single_interrupt+0x650/0x650 [ 722.928590] ? interrupt_entry+0xb5/0xf0 [ 722.932670] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.937691] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.942715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.947561] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.952594] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.957636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.963185] ? check_preemption_disabled+0x48/0x280 [ 722.968205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.973756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.978652] apic_timer_interrupt+0xf/0x20 [ 722.982889] [ 722.985139] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 722.990079] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 723.008992] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 723.016709] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 723.023996] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 723.031266] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 723.038537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 723.045808] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 723.053141] skb_clone+0x1bb/0x500 [ 723.056695] ? skb_split+0x11e0/0x11e0 [ 723.060612] ? preempt_notifier_register+0x200/0x200 [ 723.065735] ? __switch_to_asm+0x34/0x70 [ 723.069807] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 723.074572] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 723.079353] bpf_clone_redirect+0xb9/0x490 [ 723.083615] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 723.088651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 723.093425] ? find_held_lock+0x36/0x1c0 [ 723.097500] ? lock_acquire+0x1ed/0x520 [ 723.101475] ? bpf_test_run+0x3cb/0x780 [ 723.105452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.111010] ? check_preemption_disabled+0x48/0x280 [ 723.116039] ? kasan_check_read+0x11/0x20 [ 723.120200] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 723.125496] ? rcu_bh_qs+0xc0/0xc0 [ 723.129048] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 723.134254] ? bpf_test_run+0x25d/0x780 [ 723.138246] ? netlink_diag_dump+0x2a0/0x2a0 [ 723.142664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.148218] ? bpf_test_init.isra.10+0x70/0x100 [ 723.152903] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 723.157681] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 723.162534] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.168083] ? fput+0x130/0x1a0 [ 723.171375] ? __bpf_prog_get+0x9b/0x290 [ 723.175449] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 723.180297] ? bpf_prog_test_run+0x130/0x1a0 [ 723.184725] ? __x64_sys_bpf+0x3d8/0x520 [ 723.188791] ? bpf_prog_get+0x20/0x20 [ 723.192629] ? do_syscall_64+0x1b9/0x820 [ 723.196705] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 723.202081] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.207025] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.212047] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 723.217070] ? recalc_sigpending_tsk+0x180/0x180 [ 723.221836] ? kasan_check_write+0x14/0x20 [ 723.226557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.231430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 723.236827] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 723.236834] warn_alloc_show_mem: 1 callbacks suppressed [ 723.236841] Mem-Info: [ 723.243855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.243864] Call Trace: [ 723.249247] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 723.249247] active_file:13 inactive_file:34 isolated_file:0 [ 723.249247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 723.249247] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 723.249247] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 723.249247] free:13625 free_pcp:139 free_cma:0 [ 723.251638] [ 723.261007] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 723.263610] dump_stack+0x1c4/0x2b6 [ 723.296488] Node 0 [ 723.298667] ? dump_stack_print_info.cold.1+0x20/0x20 [ 723.326261] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 723.329885] warn_alloc.cold.119+0xb7/0x1bd [ 723.332087] lowmem_reserve[]: [ 723.337283] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.362777] 0 [ 723.367125] ? lock_downgrade+0x900/0x900 [ 723.370226] 2819 [ 723.375079] ? trace_hardirqs_off+0xb8/0x310 [ 723.376856] 6323 [ 723.381024] ? trace_hardirqs_off+0xb8/0x310 [ 723.383064] 6323 [ 723.387478] __alloc_pages_slowpath+0x265e/0x2d70 [ 723.393952] ? warn_alloc+0x120/0x120 [ 723.395968] Node 0 [ 723.400828] ? trace_hardirqs_on+0x310/0x310 [ 723.404646] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 723.404654] lowmem_reserve[]: [ 723.406892] ? warn_alloc+0x120/0x120 [ 723.411281] 0 [ 723.438455] ? print_usage_bug+0xc0/0xc0 [ 723.441548] 0 [ 723.445352] ? warn_alloc+0x120/0x120 [ 723.447137] 3503 [ 723.451197] ? ktime_get+0x2e1/0x440 [ 723.452982] 3503 [ 723.456784] ? print_usage_bug+0xc0/0xc0 [ 723.462562] ? __lock_acquire+0x7ec/0x4ec0 [ 723.464626] Node 0 [ 723.468686] ? __lock_acquire+0x7ec/0x4ec0 [ 723.472933] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 723.475146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.479356] lowmem_reserve[]: 0 [ 723.507766] ? should_fail+0x22d/0xd01 [ 723.513285] 0 0 [ 723.516583] ? __lock_acquire+0x7ec/0x4ec0 [ 723.520458] 0 [ 723.522439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.526662] Node 0 [ 723.528470] ? __lock_acquire+0x7ec/0x4ec0 [ 723.533553] DMA: [ 723.535798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.540009] 1*4kB [ 723.542079] ? __lock_acquire+0x7ec/0x4ec0 [ 723.547162] (U) [ 723.549325] ? should_fail+0x22d/0xd01 [ 723.553538] 0*8kB [ 723.555529] ? mark_held_locks+0x130/0x130 [ 723.559383] 0*16kB [ 723.561533] ? mark_held_locks+0x130/0x130 [ 723.565751] 1*32kB [ 723.567992] ? graph_lock+0x170/0x170 [ 723.572200] (U) [ 723.574440] ? print_usage_bug+0xc0/0xc0 [ 723.578579] 2*64kB (U) [ 723.580586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.584638] 1*128kB [ 723.587226] ? check_preemption_disabled+0x48/0x280 [ 723.592757] (U) [ 723.595084] ? check_preemption_disabled+0x48/0x280 [ 723.600085] 1*256kB [ 723.602073] ? __lock_is_held+0xb5/0x140 [ 723.607055] (U) [ 723.609409] __alloc_pages_nodemask+0xa80/0xde0 [ 723.613460] 0*512kB 1*1024kB [ 723.615452] ? graph_lock+0x170/0x170 [ 723.620103] (U) [ 723.623223] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 723.626995] 1*2048kB (M) [ 723.628989] ? graph_lock+0x170/0x170 [ 723.633995] 3*4096kB [ 723.636773] ? find_held_lock+0x36/0x1c0 [ 723.640536] (M) [ 723.642977] ? ____cache_alloc_node+0x1c7/0x1e0 [ 723.647027] = 15908kB [ 723.647036] Node 0 [ 723.649032] ? lock_downgrade+0x900/0x900 [ 723.653682] DMA32: [ 723.656107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.658331] 3*4kB [ 723.662495] cache_grow_begin+0x91/0x8c0 [ 723.664712] (M) [ 723.670253] ? do_raw_spin_unlock+0xa7/0x330 [ 723.672381] 1*8kB (M) [ 723.676457] fallback_alloc+0x203/0x2e0 [ 723.678410] 3*16kB (UM) [ 723.682834] ____cache_alloc_node+0x1c7/0x1e0 [ 723.685315] 3*32kB [ 723.689287] kmem_cache_alloc_node+0xe3/0x730 [ 723.691937] (UM) [ 723.696432] ? ipv6_get_ifaddr+0x42e/0x620 [ 723.698648] 4*64kB [ 723.703154] __alloc_skb+0x119/0x770 [ 723.705202] (M) 3*128kB [ 723.709453] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 723.711666] (M) [ 723.715384] ? skb_scrub_packet+0x490/0x490 [ 723.718039] 4*256kB [ 723.723313] ? lock_downgrade+0x900/0x900 [ 723.725273] (UM) [ 723.729623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.731915] 3*512kB [ 723.736060] ? refcount_sub_and_test_checked+0x203/0x310 [ 723.738104] (M) [ 723.743650] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 723.745968] 3*1024kB (UM) [ 723.751429] ? addrconf_rs_timer+0x690/0x690 [ 723.753397] 3*2048kB (UM) [ 723.758870] ndisc_alloc_skb+0x144/0x340 [ 723.761686] 3*4096kB [ 723.766094] ndisc_send_rs+0x331/0x6e0 [ 723.768923] (M) [ 723.773645] addrconf_rs_timer+0x314/0x690 [ 723.776036] = 24868kB [ 723.779927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.781886] Node 0 [ 723.786132] call_timer_fn+0x272/0x920 [ 723.788509] Normal: 871*4kB [ 723.792753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.794973] (MEH) [ 723.798863] ? process_timeout+0x40/0x40 [ 723.801859] 470*8kB [ 723.806111] ? find_held_lock+0x36/0x1c0 [ 723.808246] (MEH) [ 723.812315] ? mark_held_locks+0xc7/0x130 [ 723.814618] 180*16kB (UMEH) [ 723.818696] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.820818] 61*32kB (UME) [ 723.824974] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.827967] 19*64kB (UMH) [ 723.832471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.835287] 0*128kB 0*256kB [ 723.839835] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 723.842662] 0*512kB [ 723.846895] ? trace_hardirqs_on+0xbd/0x310 [ 723.849895] 0*1024kB [ 723.854484] ? kasan_check_read+0x11/0x20 [ 723.856784] 0*2048kB 0*4096kB [ 723.861124] ? __run_timers+0x7da/0xc70 [ 723.863534] = 13292kB [ 723.863549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 723.867711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.870893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 723.874871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.877251] 238 total pagecache pages [ 723.886090] __run_timers+0x7e5/0xc70 [ 723.891522] 0 pages in swap cache [ 723.900107] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 723.904312] Swap cache stats: add 0, delete 0, find 0/0 [ 723.908112] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 723.911895] Free swap = 0kB [ 723.915347] ? graph_lock+0x170/0x170 [ 723.920691] Total swap = 0kB [ 723.926058] ? print_usage_bug+0xc0/0xc0 [ 723.931052] 1965979 pages RAM [ 723.934075] ? enqueue_hrtimer+0x1a5/0x560 [ 723.937858] 0 pages HighMem/MovableOnly [ 723.940877] ? lock_release+0x970/0x970 [ 723.944921] 342306 pages reserved [ 723.948023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 723.952263] 0 pages cma reserved [ 723.956240] ? find_held_lock+0x36/0x1c0 [ 723.960291] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 723.963645] ? graph_lock+0x170/0x170 [ 723.968918] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 723.972188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.976230] syz-executor4 cpuset= [ 723.982728] ? check_preemption_disabled+0x48/0x280 [ 723.986507] syz4 [ 723.997003] ? __lock_is_held+0xb5/0x140 [ 724.002529] mems_allowed=0 [ 724.006014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.025484] ? check_preemption_disabled+0x48/0x280 [ 724.030513] run_timer_softirq+0x52/0xb0 [ 724.034578] ? rcu_read_lock_sched_held+0x108/0x120 [ 724.039627] __do_softirq+0x30c/0xb03 [ 724.043456] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 724.048569] ? pvclock_read_flags+0x160/0x160 [ 724.053075] ? lapic_next_event+0x5a/0x90 [ 724.057226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.062768] ? check_preemption_disabled+0x48/0x280 [ 724.067802] ? check_preemption_disabled+0x48/0x280 [ 724.072834] ? kvm_clock_read+0x18/0x30 [ 724.076823] ? kvm_sched_clock_read+0x9/0x20 [ 724.081249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.086795] ? check_preemption_disabled+0x48/0x280 [ 724.091833] irq_exit+0x17f/0x1c0 [ 724.095294] smp_apic_timer_interrupt+0x1cb/0x760 [ 724.100144] ? smp_reschedule_interrupt+0x109/0x650 [ 724.105180] ? smp_call_function_single_interrupt+0x650/0x650 [ 724.111079] ? interrupt_entry+0xb5/0xf0 [ 724.115163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.120680] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.125707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.130555] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.135573] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.140653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.146228] ? check_preemption_disabled+0x48/0x280 [ 724.151255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.156809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.161671] apic_timer_interrupt+0xf/0x20 [ 724.165905] [ 724.168148] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 724.173347] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 724.193153] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 724.200867] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 724.208135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 724.215407] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 724.222682] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 724.229954] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 724.237325] retint_kernel+0x1b/0x2d [ 724.241071] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 724.246396] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 724.265303] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 724.273014] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 724.280312] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 724.287579] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 724.294860] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 724.302133] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 724.309432] ? arch_local_irq_restore+0x45/0x52 [ 724.314126] dump_stack+0x26a/0x2b6 [ 724.317764] ? dump_stack_print_info.cold.1+0x20/0x20 [ 724.322965] ? mark_held_locks+0x130/0x130 [ 724.327203] ? mark_held_locks+0x130/0x130 [ 724.331450] dump_header+0x27b/0xf72 [ 724.335186] ? pagefault_out_of_memory+0x197/0x197 [ 724.340127] ? __lock_acquire+0x7ec/0x4ec0 [ 724.344386] ? print_usage_bug+0xc0/0xc0 [ 724.348462] ? graph_lock+0x170/0x170 [ 724.352264] ? graph_lock+0x170/0x170 [ 724.356069] ? print_usage_bug+0xc0/0xc0 [ 724.360130] ? print_usage_bug+0xc0/0xc0 [ 724.364197] ? print_usage_bug+0xc0/0xc0 [ 724.368272] ? find_held_lock+0x36/0x1c0 [ 724.372370] ? mark_held_locks+0xc7/0x130 [ 724.376530] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 724.381642] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 724.386748] ? lockdep_hardirqs_on+0x421/0x5c0 [ 724.391334] ? trace_hardirqs_on+0xbd/0x310 [ 724.395665] ? kasan_check_read+0x11/0x20 [ 724.399814] ? ___ratelimit+0x36f/0x655 [ 724.403798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 724.409254] ? trace_hardirqs_on+0x310/0x310 [ 724.413665] ? lock_downgrade+0x900/0x900 [ 724.417827] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 724.422937] ? ___ratelimit+0xaa/0x655 [ 724.426834] ? idr_get_free+0xec0/0xec0 [ 724.430815] ? kasan_check_write+0x14/0x20 [ 724.435053] ? do_raw_spin_lock+0xc1/0x230 [ 724.439300] oom_kill_process.cold.27+0x10/0x903 [ 724.444073] ? graph_lock+0x170/0x170 [ 724.447938] ? _raw_spin_unlock+0x2c/0x50 [ 724.452092] ? oom_badness+0xe6/0xaa0 [ 724.455921] ? oom_evaluate_task+0x540/0x540 [ 724.460340] ? find_held_lock+0x36/0x1c0 [ 724.464413] ? out_of_memory+0x974/0x1430 [ 724.468569] ? lock_downgrade+0x900/0x900 [ 724.472745] ? check_preemption_disabled+0x48/0x280 [ 724.477774] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 724.483578] ? kasan_check_read+0x11/0x20 [ 724.487748] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 724.493028] ? rcu_bh_qs+0xc0/0xc0 [ 724.496577] ? kasan_check_write+0x14/0x20 [ 724.500826] ? oom_evaluate_task+0x302/0x540 [ 724.505243] out_of_memory+0xa84/0x1430 [ 724.509232] ? oom_killer_disable+0x3a0/0x3a0 [ 724.513736] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 724.518673] ? __mutex_add_waiter+0x2a0/0x2a0 [ 724.523187] __alloc_pages_slowpath+0x230f/0x2d70 [ 724.528068] ? warn_alloc+0x120/0x120 [ 724.531870] ? __radix_tree_lookup+0x4c0/0x4c0 [ 724.536472] ? find_get_entry+0x2f2/0xc40 [ 724.540675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.546217] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 724.551155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.556696] ? should_fail+0x22d/0xd01 [ 724.560592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 724.565715] ? __lock_is_held+0xb5/0x140 [ 724.569808] ? __lock_is_held+0xb5/0x140 [ 724.573883] ? find_held_lock+0x36/0x1c0 [ 724.577950] ? ___might_sleep+0x1ed/0x300 [ 724.582098] ? lock_release+0x970/0x970 [ 724.586081] ? arch_local_save_flags+0x40/0x40 [ 724.590682] ? __might_sleep+0x95/0x190 [ 724.594672] __alloc_pages_nodemask+0xa80/0xde0 [ 724.599352] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 724.604378] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 724.610178] ? kasan_check_read+0x11/0x20 [ 724.614330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 724.619627] ? graph_lock+0x170/0x170 [ 724.623438] ? print_usage_bug+0xc0/0xc0 [ 724.627506] ? graph_lock+0x170/0x170 [ 724.631308] ? graph_lock+0x170/0x170 [ 724.635113] ? __do_page_cache_readahead+0x7ce/0x980 [ 724.640228] ? find_held_lock+0x36/0x1c0 [ 724.644304] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 724.649851] alloc_pages_current+0x10c/0x210 [ 724.654263] ? lock_downgrade+0x900/0x900 [ 724.658476] __page_cache_alloc+0x38f/0x5b0 [ 724.662799] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 724.668608] ? kasan_check_read+0x11/0x20 [ 724.672768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 724.678053] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 724.682727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.688285] ? check_preemption_disabled+0x48/0x280 [ 724.693315] filemap_fault+0x1594/0x25f0 [ 724.697395] ? __lock_page_or_retry+0xa00/0xa00 [ 724.702071] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 724.707876] ? kasan_check_read+0x11/0x20 [ 724.712029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 724.717410] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 724.722533] ? rcu_bh_qs+0xc0/0xc0 [ 724.726081] ? trace_hardirqs_on+0xbd/0x310 [ 724.730413] ? kasan_check_read+0x11/0x20 [ 724.734570] ? __free_object+0x173/0x340 [ 724.738659] ? filemap_map_pages+0xdea/0x1980 [ 724.743171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 724.748757] ? __free_object+0x173/0x340 [ 724.752826] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 724.758106] ? debug_object_free+0x325/0x690 [ 724.762523] ? find_get_pages_range_tag+0x1320/0x1320 [ 724.767726] ? graph_lock+0x170/0x170 [ 724.771559] ? kasan_check_read+0x11/0x20 [ 724.775735] ? debug_object_destroy+0x2b0/0x2b0 [ 724.780420] ? lock_acquire+0x1ed/0x520 [ 724.784421] ? ext4_filemap_fault+0x7a/0xad [ 724.788758] ? lock_release+0x970/0x970 [ 724.792737] ? arch_local_save_flags+0x40/0x40 [ 724.797327] ? futex_wait_setup+0x3e0/0x3e0 [ 724.801672] ? down_read+0xb0/0x1d0 [ 724.805302] ? ext4_filemap_fault+0x7a/0xad [ 724.809642] ? __down_interruptible+0x700/0x700 [ 724.814344] ext4_filemap_fault+0x82/0xad [ 724.818501] __do_fault+0x100/0x6b0 [ 724.822144] ? print_bad_pte+0x6c0/0x6c0 [ 724.826213] ? do_futex+0x249/0x26d0 [ 724.829935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.835484] ? check_preemption_disabled+0x48/0x280 [ 724.840524] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 724.845287] ? pmd_val+0x88/0x100 [ 724.848748] ? add_mm_counter_fast+0xd0/0xd0 [ 724.853158] ? pmd_val+0x88/0x100 [ 724.856628] ? add_mm_counter_fast+0xd0/0xd0 [ 724.861092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.866664] __handle_mm_fault+0x3709/0x53e0 [ 724.871082] ? debug_smp_processor_id+0x1c/0x20 [ 724.876193] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 724.881040] ? graph_lock+0x170/0x170 [ 724.884845] ? print_usage_bug+0xc0/0xc0 [ 724.888911] ? should_fail+0xaf/0xd01 [ 724.892717] ? graph_lock+0x170/0x170 [ 724.896536] ? graph_lock+0x170/0x170 [ 724.900365] ? handle_mm_fault+0x42a/0xc70 [ 724.904612] ? lock_downgrade+0x900/0x900 [ 724.908775] ? check_preemption_disabled+0x48/0x280 [ 724.913807] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 724.920584] ? kasan_check_read+0x11/0x20 [ 724.924756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 724.930038] ? rcu_bh_qs+0xc0/0xc0 [ 724.933583] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 724.939057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.944611] ? check_preemption_disabled+0x48/0x280 [ 724.949658] handle_mm_fault+0x54f/0xc70 [ 724.953732] ? __handle_mm_fault+0x53e0/0x53e0 [ 724.958321] ? find_vma+0x34/0x190 [ 724.961876] __do_page_fault+0x67d/0xed0 [ 724.965952] ? mm_fault_error+0x380/0x380 [ 724.970102] ? trace_hardirqs_off+0xb8/0x310 [ 724.974517] ? trace_hardirqs_on+0x310/0x310 [ 724.978931] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.984306] ? trace_hardirqs_on+0x310/0x310 [ 724.988725] do_page_fault+0xf2/0x7e0 [ 724.992529] ? vmalloc_sync_all+0x30/0x30 [ 724.996695] ? error_entry+0x70/0xd0 [ 725.000415] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.005432] ? trace_hardirqs_on_caller+0xc0/0x310 [ 725.010364] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.015298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.020144] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.025162] ? trace_hardirqs_off+0x310/0x310 [ 725.029669] ? prepare_exit_to_usermode+0x291/0x3b0 [ 725.034694] ? page_fault+0x8/0x30 [ 725.038247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.043095] ? page_fault+0x8/0x30 [ 725.046651] page_fault+0x1e/0x30 [ 725.050109] RIP: 0033:0x45ddf3 [ 725.053311] Code: Bad RIP value. [ 725.056677] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 725.062044] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 725.069314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 725.076587] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 725.083870] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 725.091138] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 725.098453] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 725.098539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 725.105744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.105754] Call Trace: [ 725.112366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 725.121584] [ 725.124190] syz-fuzzer cpuset= [ 725.134423] dump_stack+0x1c4/0x2b6 [ 725.136546] / [ 725.139746] ? dump_stack_print_info.cold.1+0x20/0x20 [ 725.143348] mems_allowed=0 [ 725.145073] warn_alloc.cold.119+0xb7/0x1bd [ 725.157481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 725.162422] ? lock_downgrade+0x900/0x900 [ 725.166588] ? trace_hardirqs_off+0xb8/0x310 [ 725.171018] ? trace_hardirqs_off+0xb8/0x310 [ 725.175441] __alloc_pages_slowpath+0x265e/0x2d70 [ 725.180327] ? warn_alloc+0x120/0x120 [ 725.184141] ? trace_hardirqs_on+0x310/0x310 [ 725.188561] ? warn_alloc+0x120/0x120 [ 725.192374] ? print_usage_bug+0xc0/0xc0 [ 725.196444] ? warn_alloc+0x120/0x120 [ 725.200247] ? ktime_get+0x2e1/0x440 [ 725.203967] ? print_usage_bug+0xc0/0xc0 [ 725.208038] ? __lock_acquire+0x7ec/0x4ec0 [ 725.212367] ? __lock_acquire+0x7ec/0x4ec0 [ 725.216618] ? kasan_check_read+0x11/0x20 [ 725.220774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.226318] ? should_fail+0x22d/0xd01 [ 725.230323] ? rcu_bh_qs+0xc0/0xc0 [ 725.233874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.238989] ? __lock_acquire+0x7ec/0x4ec0 [ 725.243233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.248336] ? __lock_acquire+0x7ec/0x4ec0 [ 725.252575] ? should_fail+0x22d/0xd01 [ 725.256481] ? rcu_idle_enter+0x4b0/0x4b0 [ 725.260651] ? mark_held_locks+0x130/0x130 [ 725.264897] ? mark_held_locks+0x130/0x130 [ 725.269163] ? mark_held_locks+0xc7/0x130 [ 725.273317] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 725.278336] ? graph_lock+0x170/0x170 [ 725.282148] ? print_usage_bug+0xc0/0xc0 [ 725.286220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.291765] ? check_preemption_disabled+0x48/0x280 [ 725.296784] ? check_preemption_disabled+0x48/0x280 [ 725.301820] ? __lock_is_held+0xb5/0x140 [ 725.305894] __alloc_pages_nodemask+0xa80/0xde0 [ 725.310569] ? graph_lock+0x170/0x170 [ 725.314387] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 725.319405] ? graph_lock+0x170/0x170 [ 725.323223] ? find_held_lock+0x36/0x1c0 [ 725.327301] ? ____cache_alloc_node+0x1c7/0x1e0 [ 725.331976] ? lock_downgrade+0x900/0x900 [ 725.336142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.341698] cache_grow_begin+0x91/0x8c0 [ 725.345766] ? do_raw_spin_unlock+0xa7/0x330 [ 725.350205] fallback_alloc+0x203/0x2e0 [ 725.354196] ____cache_alloc_node+0x1c7/0x1e0 [ 725.358716] kmem_cache_alloc_node+0xe3/0x730 [ 725.363218] ? ipv6_get_ifaddr+0x42e/0x620 [ 725.367472] __alloc_skb+0x119/0x770 [ 725.371192] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 725.376478] ? skb_scrub_packet+0x490/0x490 [ 725.380801] ? lock_downgrade+0x900/0x900 [ 725.384964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.390509] ? refcount_sub_and_test_checked+0x203/0x310 [ 725.395969] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 725.401426] ? addrconf_rs_timer+0x690/0x690 [ 725.405862] ndisc_alloc_skb+0x144/0x340 [ 725.409932] ndisc_send_rs+0x331/0x6e0 [ 725.413828] addrconf_rs_timer+0x314/0x690 [ 725.418075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.422333] call_timer_fn+0x272/0x920 [ 725.426223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.430492] ? process_timeout+0x40/0x40 [ 725.434556] ? find_held_lock+0x36/0x1c0 [ 725.438639] ? __run_timers+0x7da/0xc70 [ 725.442651] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.447168] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.451669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.455907] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 725.460495] ? trace_hardirqs_on+0xbd/0x310 [ 725.464822] ? kasan_check_read+0x11/0x20 [ 725.468976] ? __run_timers+0x7da/0xc70 [ 725.472958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 725.478421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.482665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.486920] __run_timers+0x7e5/0xc70 [ 725.490742] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 725.496126] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 725.501149] ? graph_lock+0x170/0x170 [ 725.504962] ? enqueue_hrtimer+0x1a5/0x560 [ 725.509199] ? lock_release+0x970/0x970 [ 725.513196] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 725.518398] ? find_held_lock+0x36/0x1c0 [ 725.522468] ? graph_lock+0x170/0x170 [ 725.526276] ? pvclock_read_flags+0x160/0x160 [ 725.530776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.536321] ? check_preemption_disabled+0x48/0x280 [ 725.541357] ? __lock_is_held+0xb5/0x140 [ 725.545423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.550966] ? check_preemption_disabled+0x48/0x280 [ 725.555998] run_timer_softirq+0x52/0xb0 [ 725.560063] ? rcu_read_lock_sched_held+0x108/0x120 [ 725.565086] __do_softirq+0x30c/0xb03 [ 725.568912] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 725.574027] ? pvclock_read_flags+0x160/0x160 [ 725.578525] ? lapic_next_event+0x5a/0x90 [ 725.582677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.588223] ? check_preemption_disabled+0x48/0x280 [ 725.593242] ? check_preemption_disabled+0x48/0x280 [ 725.598295] ? kvm_clock_read+0x18/0x30 [ 725.602274] ? kvm_sched_clock_read+0x9/0x20 [ 725.606689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.612232] ? check_preemption_disabled+0x48/0x280 [ 725.617267] irq_exit+0x17f/0x1c0 [ 725.620733] smp_apic_timer_interrupt+0x1cb/0x760 [ 725.625580] ? smp_reschedule_interrupt+0x109/0x650 [ 725.630626] ? smp_call_function_single_interrupt+0x650/0x650 [ 725.636521] ? interrupt_entry+0xb5/0xf0 [ 725.640590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.645626] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.650670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.655520] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.660540] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.665565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.671139] ? check_preemption_disabled+0x48/0x280 [ 725.676168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.681722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.686580] apic_timer_interrupt+0xf/0x20 [ 725.690824] [ 725.693074] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 725.698011] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 725.716914] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 725.724637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 725.731909] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 725.739183] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 725.746540] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 725.753816] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 725.761146] skb_clone+0x1bb/0x500 [ 725.764697] ? skb_split+0x11e0/0x11e0 [ 725.768597] ? preempt_notifier_register+0x200/0x200 [ 725.773719] ? __switch_to_asm+0x34/0x70 [ 725.777791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 725.782558] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 725.787328] bpf_clone_redirect+0xb9/0x490 [ 725.791581] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 725.796629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 725.801407] ? find_held_lock+0x36/0x1c0 [ 725.805513] ? lock_acquire+0x1ed/0x520 [ 725.809491] ? bpf_test_run+0x3cb/0x780 [ 725.813473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.819018] ? check_preemption_disabled+0x48/0x280 [ 725.824050] ? kasan_check_read+0x11/0x20 [ 725.828207] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 725.833494] ? rcu_bh_qs+0xc0/0xc0 [ 725.837048] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 725.842255] ? bpf_test_run+0x25d/0x780 [ 725.846250] ? netlink_diag_dump+0x2a0/0x2a0 [ 725.850669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.856209] ? bpf_test_init.isra.10+0x70/0x100 [ 725.860890] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 725.865663] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 725.870508] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 725.876052] ? fput+0x130/0x1a0 [ 725.879344] ? __bpf_prog_get+0x9b/0x290 [ 725.883413] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 725.888263] ? bpf_prog_test_run+0x130/0x1a0 [ 725.892686] ? __x64_sys_bpf+0x3d8/0x520 [ 725.896758] ? bpf_prog_get+0x20/0x20 [ 725.900592] ? do_syscall_64+0x1b9/0x820 [ 725.904672] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 725.910047] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.914992] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.920027] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 725.925052] ? recalc_sigpending_tsk+0x180/0x180 [ 725.929820] ? kasan_check_write+0x14/0x20 [ 725.934072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.938945] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 725.944344] warn_alloc_show_mem: 1 callbacks suppressed [ 725.944357] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 725.944360] Mem-Info: [ 725.944391] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 725.944391] active_file:13 inactive_file:34 isolated_file:0 [ 725.944391] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.944391] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 725.944391] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 725.944391] free:13625 free_pcp:139 free_cma:0 [ 725.949741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.949751] Call Trace: [ 725.956781] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 725.959188] [ 725.992076] Node 0 [ 726.001457] dump_stack+0x1c4/0x2b6 [ 726.004040] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 726.031637] ? dump_stack_print_info.cold.1+0x20/0x20 [ 726.033769] lowmem_reserve[]: [ 726.036017] warn_alloc.cold.119+0xb7/0x1bd [ 726.039638] 0 [ 726.065161] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.070324] 2819 6323 [ 726.073446] ? lock_downgrade+0x900/0x900 [ 726.077756] 6323 [ 726.079577] ? trace_hardirqs_off+0xb8/0x310 [ 726.086896] ? trace_hardirqs_off+0xb8/0x310 [ 726.091024] Node 0 [ 726.093099] __alloc_pages_slowpath+0x265e/0x2d70 [ 726.097509] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 726.101936] ? warn_alloc+0x120/0x120 [ 726.104125] lowmem_reserve[]: 0 [ 726.108994] ? trace_hardirqs_on+0x310/0x310 [ 726.136555] 0 [ 726.140387] ? warn_alloc+0x120/0x120 [ 726.143631] 3503 3503 [ 726.148057] ? print_usage_bug+0xc0/0xc0 [ 726.153654] ? warn_alloc+0x120/0x120 [ 726.156139] Node 0 [ 726.160205] ? ktime_get+0x2e1/0x440 [ 726.164013] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 726.166231] ? print_usage_bug+0xc0/0xc0 [ 726.169917] lowmem_reserve[]: 0 [ 726.198322] ? __lock_acquire+0x7ec/0x4ec0 [ 726.202365] 0 [ 726.205667] ? __lock_acquire+0x7ec/0x4ec0 [ 726.209882] 0 [ 726.211693] ? kasan_check_read+0x11/0x20 [ 726.215899] 0 [ 726.217707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.223664] ? should_fail+0x22d/0xd01 [ 726.229179] Node 0 [ 726.233070] ? rcu_bh_qs+0xc0/0xc0 [ 726.233073] DMA: 1*4kB [ 726.235321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.238844] (U) [ 726.241433] ? __lock_acquire+0x7ec/0x4ec0 [ 726.246514] 0*8kB 0*16kB [ 726.248504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 726.252717] 1*32kB [ 726.255474] ? __lock_acquire+0x7ec/0x4ec0 [ 726.260559] (U) [ 726.262803] ? should_fail+0x22d/0xd01 [ 726.267018] 2*64kB [ 726.268998] ? rcu_idle_enter+0x4b0/0x4b0 [ 726.272862] (U) [ 726.275111] ? mark_held_locks+0x130/0x130 [ 726.279237] 1*128kB (U) [ 726.281231] ? mark_held_locks+0x130/0x130 [ 726.285453] 1*256kB [ 726.288135] ? mark_held_locks+0xc7/0x130 [ 726.292378] (U) [ 726.294707] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 726.298834] 0*512kB [ 726.300808] ? graph_lock+0x170/0x170 [ 726.305806] 1*1024kB [ 726.308136] ? print_usage_bug+0xc0/0xc0 [ 726.311916] (U) [ 726.314333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.318375] 1*2048kB [ 726.320375] ? check_preemption_disabled+0x48/0x280 [ 726.325892] (M) [ 726.328306] ? check_preemption_disabled+0x48/0x280 [ 726.333306] 3*4096kB [ 726.335289] ? __lock_is_held+0xb5/0x140 [ 726.340277] (M) [ 726.342698] __alloc_pages_nodemask+0xa80/0xde0 [ 726.346752] = 15908kB [ 726.348730] ? graph_lock+0x170/0x170 [ 726.353386] Node 0 [ 726.355800] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 726.359586] DMA32: 3*4kB [ 726.361849] ? graph_lock+0x170/0x170 [ 726.366847] (M) [ 726.369628] ? find_held_lock+0x36/0x1c0 [ 726.373397] 1*8kB [ 726.375383] ? ____cache_alloc_node+0x1c7/0x1e0 [ 726.379426] (M) [ 726.381579] ? lock_downgrade+0x900/0x900 [ 726.386235] 3*16kB [ 726.388243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.392366] (UM) [ 726.394623] cache_grow_begin+0x91/0x8c0 [ 726.400136] 3*32kB [ 726.402211] ? do_raw_spin_unlock+0xa7/0x330 [ 726.406251] (UM) [ 726.408494] fallback_alloc+0x203/0x2e0 [ 726.412876] 4*64kB (M) [ 726.414961] ____cache_alloc_node+0x1c7/0x1e0 [ 726.418909] 3*128kB (M) [ 726.421510] kmem_cache_alloc_node+0xe3/0x730 [ 726.425978] 4*256kB (UM) [ 726.428671] ? ipv6_get_ifaddr+0x42e/0x620 [ 726.433141] 3*512kB (M) [ 726.435917] __alloc_skb+0x119/0x770 [ 726.440132] 3*1024kB [ 726.442806] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 726.446499] (UM) [ 726.448923] ? skb_scrub_packet+0x490/0x490 [ 726.454176] 3*2048kB (UM) [ 726.456255] ? lock_downgrade+0x900/0x900 [ 726.460552] 3*4096kB (M) [ 726.463413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.467540] = 24868kB [ 726.470299] ? refcount_sub_and_test_checked+0x203/0x310 [ 726.475816] Node 0 [ 726.478228] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 726.483655] Normal: 871*4kB [ 726.485905] ? addrconf_rs_timer+0x690/0x690 [ 726.491334] (MEH) [ 726.494365] ndisc_alloc_skb+0x144/0x340 [ 726.498744] 470*8kB [ 726.500901] ndisc_send_rs+0x331/0x6e0 [ 726.504934] (MEH) 180*16kB [ 726.507276] addrconf_rs_timer+0x314/0x690 [ 726.511138] (UMEH) 61*32kB [ 726.514084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.518297] (UME) [ 726.521249] call_timer_fn+0x272/0x920 [ 726.525455] 19*64kB [ 726.527622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.531481] (UMH) [ 726.533806] ? process_timeout+0x40/0x40 [ 726.538016] 0*128kB 0*256kB [ 726.540177] ? find_held_lock+0x36/0x1c0 [ 726.544219] 0*512kB [ 726.547240] ? mark_held_locks+0xc7/0x130 [ 726.551277] 0*1024kB [ 726.553612] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.557739] 0*2048kB [ 726.560153] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.564632] 0*4096kB = 13292kB [ 726.567054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.571539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.574726] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 726.578951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.587780] ? trace_hardirqs_on+0xbd/0x310 [ 726.592344] 238 total pagecache pages [ 726.600914] ? kasan_check_read+0x11/0x20 [ 726.600933] ? __run_timers+0x7da/0xc70 [ 726.605243] 0 pages in swap cache [ 726.609043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.613181] Swap cache stats: add 0, delete 0, find 0/0 [ 726.617159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 726.620589] Free swap = 0kB [ 726.626054] __run_timers+0x7e5/0xc70 [ 726.631405] Total swap = 0kB [ 726.635658] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 726.638654] 1965979 pages RAM [ 726.642454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 726.645448] 0 pages HighMem/MovableOnly [ 726.645458] 342306 pages reserved [ 726.650820] ? graph_lock+0x170/0x170 [ 726.653910] 0 pages cma reserved [ 726.658926] ? print_usage_bug+0xc0/0xc0 [ 726.662965] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 726.666327] ? enqueue_hrtimer+0x1a5/0x560 [ 726.666345] ? lock_release+0x970/0x970 [ 726.670241] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 726.673502] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 726.677549] syz-executor4 cpuset= [ 726.684044] ? find_held_lock+0x36/0x1c0 [ 726.688259] syz4 [ 726.692237] ? graph_lock+0x170/0x170 [ 726.702706] mems_allowed=0 [ 726.707895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.729586] ? check_preemption_disabled+0x48/0x280 [ 726.734651] ? __lock_is_held+0xb5/0x140 [ 726.738722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.744269] ? check_preemption_disabled+0x48/0x280 [ 726.749302] run_timer_softirq+0x52/0xb0 [ 726.753369] ? rcu_read_lock_sched_held+0x108/0x120 [ 726.758399] __do_softirq+0x30c/0xb03 [ 726.762222] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 726.767338] ? pvclock_read_flags+0x160/0x160 [ 726.771841] ? lapic_next_event+0x5a/0x90 [ 726.776002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.781555] ? check_preemption_disabled+0x48/0x280 [ 726.786580] ? check_preemption_disabled+0x48/0x280 [ 726.791639] ? kvm_clock_read+0x18/0x30 [ 726.795634] ? kvm_sched_clock_read+0x9/0x20 [ 726.800054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.805608] ? check_preemption_disabled+0x48/0x280 [ 726.810664] irq_exit+0x17f/0x1c0 [ 726.814150] smp_apic_timer_interrupt+0x1cb/0x760 [ 726.818997] ? smp_reschedule_interrupt+0x109/0x650 [ 726.824018] ? smp_call_function_single_interrupt+0x650/0x650 [ 726.829913] ? interrupt_entry+0xb5/0xf0 [ 726.833984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.839005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.844036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.848885] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.854450] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.859474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.865018] ? check_preemption_disabled+0x48/0x280 [ 726.870040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.875591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.880467] apic_timer_interrupt+0xf/0x20 [ 726.884703] [ 726.886948] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 726.892145] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 726.911047] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 726.919660] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 726.931631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 726.938910] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 726.946188] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 726.953463] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 726.960792] retint_kernel+0x1b/0x2d [ 726.964525] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 726.969816] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 726.988731] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 726.996451] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 727.003723] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 727.010996] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 727.018273] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 727.025548] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 727.032859] ? arch_local_irq_restore+0x45/0x52 [ 727.037550] dump_stack+0x26a/0x2b6 [ 727.041195] ? dump_stack_print_info.cold.1+0x20/0x20 [ 727.046402] ? mark_held_locks+0x130/0x130 [ 727.050652] ? mark_held_locks+0x130/0x130 [ 727.054901] dump_header+0x27b/0xf72 [ 727.058651] ? pagefault_out_of_memory+0x197/0x197 [ 727.063608] ? __lock_acquire+0x7ec/0x4ec0 [ 727.067865] ? print_usage_bug+0xc0/0xc0 [ 727.071944] ? graph_lock+0x170/0x170 [ 727.075752] ? graph_lock+0x170/0x170 [ 727.079557] ? print_usage_bug+0xc0/0xc0 [ 727.083640] ? print_usage_bug+0xc0/0xc0 [ 727.087730] ? print_usage_bug+0xc0/0xc0 [ 727.091814] ? find_held_lock+0x36/0x1c0 [ 727.095896] ? mark_held_locks+0xc7/0x130 [ 727.100075] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.105186] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.110314] ? lockdep_hardirqs_on+0x421/0x5c0 [ 727.114908] ? trace_hardirqs_on+0xbd/0x310 [ 727.119718] ? kasan_check_read+0x11/0x20 [ 727.123874] ? ___ratelimit+0x36f/0x655 [ 727.127858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 727.133317] ? trace_hardirqs_on+0x310/0x310 [ 727.137737] ? lock_downgrade+0x900/0x900 [ 727.141904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 727.147017] ? ___ratelimit+0xaa/0x655 [ 727.150915] ? idr_get_free+0xec0/0xec0 [ 727.154901] ? kasan_check_write+0x14/0x20 [ 727.159148] ? do_raw_spin_lock+0xc1/0x230 [ 727.163404] oom_kill_process.cold.27+0x10/0x903 [ 727.168179] ? graph_lock+0x170/0x170 [ 727.171988] ? _raw_spin_unlock+0x2c/0x50 [ 727.176141] ? oom_badness+0xe6/0xaa0 [ 727.179958] ? oom_evaluate_task+0x540/0x540 [ 727.184379] ? find_held_lock+0x36/0x1c0 [ 727.188456] ? out_of_memory+0x974/0x1430 [ 727.192633] ? lock_downgrade+0x900/0x900 [ 727.196794] ? check_preemption_disabled+0x48/0x280 [ 727.201832] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 727.208299] ? kasan_check_read+0x11/0x20 [ 727.212468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 727.217761] ? rcu_bh_qs+0xc0/0xc0 [ 727.221319] ? kasan_check_write+0x14/0x20 [ 727.225563] ? oom_evaluate_task+0x302/0x540 [ 727.230146] out_of_memory+0xa84/0x1430 [ 727.234145] ? oom_killer_disable+0x3a0/0x3a0 [ 727.238663] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 727.243630] ? __mutex_add_waiter+0x2a0/0x2a0 [ 727.248151] __alloc_pages_slowpath+0x230f/0x2d70 [ 727.253052] ? warn_alloc+0x120/0x120 [ 727.256863] ? __radix_tree_lookup+0x4c0/0x4c0 [ 727.261468] ? find_get_entry+0x2f2/0xc40 [ 727.265654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.271205] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 727.276146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.281697] ? should_fail+0x22d/0xd01 [ 727.285623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.290826] ? __lock_is_held+0xb5/0x140 [ 727.294928] ? __lock_is_held+0xb5/0x140 [ 727.299013] ? find_held_lock+0x36/0x1c0 [ 727.303095] ? ___might_sleep+0x1ed/0x300 [ 727.307254] ? lock_release+0x970/0x970 [ 727.311246] ? arch_local_save_flags+0x40/0x40 [ 727.315853] ? __might_sleep+0x95/0x190 [ 727.319849] __alloc_pages_nodemask+0xa80/0xde0 [ 727.324533] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 727.329561] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 727.335366] ? kasan_check_read+0x11/0x20 [ 727.339521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 727.344816] ? graph_lock+0x170/0x170 [ 727.348638] ? print_usage_bug+0xc0/0xc0 [ 727.352716] ? graph_lock+0x170/0x170 [ 727.356520] ? graph_lock+0x170/0x170 [ 727.360333] ? __do_page_cache_readahead+0x7ce/0x980 [ 727.365450] ? find_held_lock+0x36/0x1c0 [ 727.369532] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 727.375086] alloc_pages_current+0x10c/0x210 [ 727.379500] ? lock_downgrade+0x900/0x900 [ 727.383671] __page_cache_alloc+0x38f/0x5b0 [ 727.388007] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 727.393812] ? kasan_check_read+0x11/0x20 [ 727.397974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 727.403274] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 727.407954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.413502] ? check_preemption_disabled+0x48/0x280 [ 727.418546] filemap_fault+0x1594/0x25f0 [ 727.422650] ? __lock_page_or_retry+0xa00/0xa00 [ 727.427337] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 727.433143] ? kasan_check_read+0x11/0x20 [ 727.437307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 727.442595] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.447726] ? rcu_bh_qs+0xc0/0xc0 [ 727.451280] ? trace_hardirqs_on+0xbd/0x310 [ 727.455621] ? kasan_check_read+0x11/0x20 [ 727.459785] ? __free_object+0x173/0x340 [ 727.463869] ? filemap_map_pages+0xdea/0x1980 [ 727.468384] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 727.473514] ? __free_object+0x173/0x340 [ 727.477587] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 727.482887] ? debug_object_free+0x325/0x690 [ 727.487311] ? find_get_pages_range_tag+0x1320/0x1320 [ 727.492514] ? graph_lock+0x170/0x170 [ 727.496333] ? kasan_check_read+0x11/0x20 [ 727.500500] ? debug_object_destroy+0x2b0/0x2b0 [ 727.505189] ? lock_acquire+0x1ed/0x520 [ 727.509172] ? ext4_filemap_fault+0x7a/0xad [ 727.513509] ? lock_release+0x970/0x970 [ 727.517493] ? arch_local_save_flags+0x40/0x40 [ 727.522087] ? futex_wait_setup+0x3e0/0x3e0 [ 727.526433] ? down_read+0xb0/0x1d0 [ 727.530063] ? ext4_filemap_fault+0x7a/0xad [ 727.534395] ? __down_interruptible+0x700/0x700 [ 727.539092] ext4_filemap_fault+0x82/0xad [ 727.543251] __do_fault+0x100/0x6b0 [ 727.546914] ? print_bad_pte+0x6c0/0x6c0 [ 727.550984] ? do_futex+0x249/0x26d0 [ 727.554702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.560253] ? check_preemption_disabled+0x48/0x280 [ 727.565274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 727.570643] ? pmd_val+0x88/0x100 [ 727.574108] ? add_mm_counter_fast+0xd0/0xd0 [ 727.578531] ? pmd_val+0x88/0x100 [ 727.581994] ? add_mm_counter_fast+0xd0/0xd0 [ 727.586416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.591966] __handle_mm_fault+0x3709/0x53e0 [ 727.596385] ? debug_smp_processor_id+0x1c/0x20 [ 727.601160] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 727.606015] ? graph_lock+0x170/0x170 [ 727.609826] ? print_usage_bug+0xc0/0xc0 [ 727.613894] ? should_fail+0xaf/0xd01 [ 727.617708] ? graph_lock+0x170/0x170 [ 727.621518] ? graph_lock+0x170/0x170 [ 727.625347] ? handle_mm_fault+0x42a/0xc70 [ 727.629847] ? lock_downgrade+0x900/0x900 [ 727.634004] ? check_preemption_disabled+0x48/0x280 [ 727.639035] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 727.644839] ? kasan_check_read+0x11/0x20 [ 727.648993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 727.654280] ? rcu_bh_qs+0xc0/0xc0 [ 727.657827] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 727.663286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.668836] ? check_preemption_disabled+0x48/0x280 [ 727.673871] handle_mm_fault+0x54f/0xc70 [ 727.677951] ? __handle_mm_fault+0x53e0/0x53e0 [ 727.682542] ? find_vma+0x34/0x190 [ 727.686099] __do_page_fault+0x67d/0xed0 [ 727.690181] ? mm_fault_error+0x380/0x380 [ 727.694333] ? trace_hardirqs_off+0xb8/0x310 [ 727.698747] ? trace_hardirqs_on+0x310/0x310 [ 727.703185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.708559] ? trace_hardirqs_on+0x310/0x310 [ 727.712981] do_page_fault+0xf2/0x7e0 [ 727.716792] ? vmalloc_sync_all+0x30/0x30 [ 727.720945] ? error_entry+0x70/0xd0 [ 727.725186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.730206] ? trace_hardirqs_on_caller+0xc0/0x310 [ 727.735141] ? syscall_return_slowpath+0x5e0/0x5e0 [ 727.740078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.744931] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.749953] ? trace_hardirqs_off+0x310/0x310 [ 727.754463] ? prepare_exit_to_usermode+0x291/0x3b0 [ 727.759493] ? page_fault+0x8/0x30 [ 727.763046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.767902] ? page_fault+0x8/0x30 [ 727.771448] page_fault+0x1e/0x30 [ 727.774909] RIP: 0033:0x45ddf3 [ 727.778115] Code: Bad RIP value. [ 727.781484] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 727.786858] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 727.794130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 727.801403] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 727.808675] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 727.815947] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 727.823287] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 727.823407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 727.830578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.830583] Call Trace: [ 727.830591] [ 727.830628] dump_stack+0x1c4/0x2b6 [ 727.830648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 727.830680] warn_alloc.cold.119+0xb7/0x1bd [ 727.837227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 727.846523] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 727.849086] syz-fuzzer cpuset= [ 727.851252] ? lock_downgrade+0x900/0x900 [ 727.854859] / [ 727.860063] ? trace_hardirqs_off+0xb8/0x310 [ 727.864362] mems_allowed=0 [ 727.874686] ? trace_hardirqs_off+0xb8/0x310 [ 727.900274] __alloc_pages_slowpath+0x265e/0x2d70 [ 727.905198] ? warn_alloc+0x120/0x120 [ 727.909009] ? trace_hardirqs_on+0x310/0x310 [ 727.913431] ? warn_alloc+0x120/0x120 [ 727.917244] ? print_usage_bug+0xc0/0xc0 [ 727.921323] ? warn_alloc+0x120/0x120 [ 727.925138] ? ktime_get+0x2e1/0x440 [ 727.928862] ? print_usage_bug+0xc0/0xc0 [ 727.932934] ? __lock_acquire+0x7ec/0x4ec0 [ 727.937176] ? __lock_acquire+0x7ec/0x4ec0 [ 727.941422] ? kasan_check_read+0x11/0x20 [ 727.945580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.951145] ? should_fail+0x22d/0xd01 [ 727.955044] ? rcu_bh_qs+0xc0/0xc0 [ 727.958600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.963732] ? __lock_acquire+0x7ec/0x4ec0 [ 727.967987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.973094] ? __lock_acquire+0x7ec/0x4ec0 [ 727.977337] ? should_fail+0x22d/0xd01 [ 727.981236] ? rcu_idle_enter+0x4b0/0x4b0 [ 727.985404] ? mark_held_locks+0x130/0x130 [ 727.989674] ? mark_held_locks+0x130/0x130 [ 727.993925] ? mark_held_locks+0xc7/0x130 [ 727.998079] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 728.003106] ? graph_lock+0x170/0x170 [ 728.006917] ? print_usage_bug+0xc0/0xc0 [ 728.010994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.016541] ? check_preemption_disabled+0x48/0x280 [ 728.021566] ? check_preemption_disabled+0x48/0x280 [ 728.026698] ? __lock_is_held+0xb5/0x140 [ 728.030777] __alloc_pages_nodemask+0xa80/0xde0 [ 728.035455] ? graph_lock+0x170/0x170 [ 728.039270] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 728.044293] ? graph_lock+0x170/0x170 [ 728.048125] ? find_held_lock+0x36/0x1c0 [ 728.052209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 728.056882] ? lock_downgrade+0x900/0x900 [ 728.061047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.066610] cache_grow_begin+0x91/0x8c0 [ 728.070700] ? do_raw_spin_unlock+0xa7/0x330 [ 728.075134] fallback_alloc+0x203/0x2e0 [ 728.079130] ____cache_alloc_node+0x1c7/0x1e0 [ 728.083651] kmem_cache_alloc_node+0xe3/0x730 [ 728.088158] ? ipv6_get_ifaddr+0x42e/0x620 [ 728.092419] __alloc_skb+0x119/0x770 [ 728.096149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 728.101441] ? skb_scrub_packet+0x490/0x490 [ 728.105772] ? lock_downgrade+0x900/0x900 [ 728.109944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.115490] ? refcount_sub_and_test_checked+0x203/0x310 [ 728.121279] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 728.126740] ? addrconf_rs_timer+0x690/0x690 [ 728.131169] ndisc_alloc_skb+0x144/0x340 [ 728.135245] ndisc_send_rs+0x331/0x6e0 [ 728.139152] addrconf_rs_timer+0x314/0x690 [ 728.143416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.147677] call_timer_fn+0x272/0x920 [ 728.151570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.155824] ? process_timeout+0x40/0x40 [ 728.159892] ? find_held_lock+0x36/0x1c0 [ 728.163977] ? __run_timers+0x7da/0xc70 [ 728.167968] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.172471] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.176976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.181227] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 728.185825] ? trace_hardirqs_on+0xbd/0x310 [ 728.190157] ? kasan_check_read+0x11/0x20 [ 728.194317] ? __run_timers+0x7da/0xc70 [ 728.198300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 728.203764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.208009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.212256] __run_timers+0x7e5/0xc70 [ 728.216078] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 728.221453] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 728.226496] ? graph_lock+0x170/0x170 [ 728.230330] ? enqueue_hrtimer+0x1a5/0x560 [ 728.234566] ? lock_release+0x970/0x970 [ 728.238555] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 728.243761] ? find_held_lock+0x36/0x1c0 [ 728.247834] ? graph_lock+0x170/0x170 [ 728.251647] ? pvclock_read_flags+0x160/0x160 [ 728.256156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.261708] ? check_preemption_disabled+0x48/0x280 [ 728.266749] ? __lock_is_held+0xb5/0x140 [ 728.270821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.276378] ? check_preemption_disabled+0x48/0x280 [ 728.281423] run_timer_softirq+0x52/0xb0 [ 728.285505] ? rcu_read_lock_sched_held+0x108/0x120 [ 728.290537] __do_softirq+0x30c/0xb03 [ 728.294361] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 728.299477] ? pvclock_read_flags+0x160/0x160 [ 728.303978] ? lapic_next_event+0x5a/0x90 [ 728.308140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.313689] ? check_preemption_disabled+0x48/0x280 [ 728.318711] ? check_preemption_disabled+0x48/0x280 [ 728.323742] ? kvm_clock_read+0x18/0x30 [ 728.327723] ? kvm_sched_clock_read+0x9/0x20 [ 728.332145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.337687] ? check_preemption_disabled+0x48/0x280 [ 728.342738] irq_exit+0x17f/0x1c0 [ 728.346200] smp_apic_timer_interrupt+0x1cb/0x760 [ 728.351042] ? smp_reschedule_interrupt+0x109/0x650 [ 728.356062] ? smp_call_function_single_interrupt+0x650/0x650 [ 728.361954] ? interrupt_entry+0xb5/0xf0 [ 728.366042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.371061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.376084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.380938] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.385956] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.390978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.396527] ? check_preemption_disabled+0x48/0x280 [ 728.401549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.407104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.411968] apic_timer_interrupt+0xf/0x20 [ 728.416198] [ 728.418442] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 728.423376] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 728.442278] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 728.449990] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 728.457257] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 728.464524] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 728.471793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 728.479063] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 728.486390] skb_clone+0x1bb/0x500 [ 728.489941] ? skb_split+0x11e0/0x11e0 [ 728.493841] ? preempt_notifier_register+0x200/0x200 [ 728.498953] ? __switch_to_asm+0x34/0x70 [ 728.503027] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 728.507794] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 728.512568] bpf_clone_redirect+0xb9/0x490 [ 728.516828] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 728.521861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 728.526642] ? find_held_lock+0x36/0x1c0 [ 728.530725] ? lock_acquire+0x1ed/0x520 [ 728.534705] ? bpf_test_run+0x3cb/0x780 [ 728.538688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.544237] ? check_preemption_disabled+0x48/0x280 [ 728.549292] ? kasan_check_read+0x11/0x20 [ 728.553446] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 728.558731] ? rcu_bh_qs+0xc0/0xc0 [ 728.562279] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 728.567485] ? bpf_test_run+0x25d/0x780 [ 728.571476] ? netlink_diag_dump+0x2a0/0x2a0 [ 728.575892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.581431] ? bpf_test_init.isra.10+0x70/0x100 [ 728.586111] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 728.590902] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 728.595751] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.601305] ? fput+0x130/0x1a0 [ 728.604590] ? __bpf_prog_get+0x9b/0x290 [ 728.608673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 728.613519] ? bpf_prog_test_run+0x130/0x1a0 [ 728.617938] ? __x64_sys_bpf+0x3d8/0x520 [ 728.622012] ? bpf_prog_get+0x20/0x20 [ 728.625840] ? do_syscall_64+0x1b9/0x820 [ 728.629926] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 728.635308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.640268] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.645292] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 728.650312] ? recalc_sigpending_tsk+0x180/0x180 [ 728.655079] ? kasan_check_write+0x14/0x20 [ 728.659322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.664191] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.669587] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 728.669593] warn_alloc_show_mem: 1 callbacks suppressed [ 728.669600] Mem-Info: [ 728.676642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.676651] Call Trace: [ 728.682033] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 728.682033] active_file:13 inactive_file:34 isolated_file:0 [ 728.682033] unevictable:0 dirty:0 writeback:0 unstable:0 [ 728.682033] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 728.682033] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 728.682033] free:13625 free_pcp:139 free_cma:0 [ 728.684413] [ 728.693786] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 728.696378] dump_stack+0x1c4/0x2b6 [ 728.729254] Node 0 [ 728.731433] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.759044] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 728.762684] warn_alloc.cold.119+0xb7/0x1bd [ 728.764879] lowmem_reserve[]: [ 728.770081] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.795575] 0 2819 [ 728.799957] ? lock_downgrade+0x900/0x900 [ 728.803030] 6323 [ 728.807879] ? trace_hardirqs_off+0xb8/0x310 [ 728.810098] 6323 [ 728.814264] ? trace_hardirqs_off+0xb8/0x310 [ 728.820745] __alloc_pages_slowpath+0x265e/0x2d70 [ 728.822781] Node 0 [ 728.827220] ? warn_alloc+0x120/0x120 [ 728.832041] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 728.834253] ? lock_release+0x970/0x970 [ 728.838030] lowmem_reserve[]: [ 728.865206] ? warn_alloc+0x120/0x120 [ 728.869159] 0 [ 728.872269] ? print_usage_bug+0xc0/0xc0 [ 728.876047] 0 [ 728.877848] ? warn_alloc+0x120/0x120 [ 728.881891] 3503 [ 728.883699] ? print_usage_bug+0xc0/0xc0 [ 728.887490] 3503 [ 728.889554] ? __lock_acquire+0x7ec/0x4ec0 [ 728.893591] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 728.893636] lowmem_reserve[]: [ 728.895709] ? __lock_acquire+0x7ec/0x4ec0 [ 728.899920] 0 0 [ 728.929957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.933045] 0 [ 728.937281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.939238] 0 [ 728.944774] ? should_fail+0x22d/0xd01 [ 728.952094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.953876] Node 0 [ 728.957765] ? __lock_acquire+0x7ec/0x4ec0 [ 728.962847] DMA: [ 728.965089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.965105] ? __lock_acquire+0x7ec/0x4ec0 [ 728.969335] 1*4kB [ 728.971396] ? should_fail+0x22d/0xd01 [ 728.976479] (U) [ 728.980719] ? mark_held_locks+0x130/0x130 [ 728.982846] 0*8kB [ 728.986734] ? mark_held_locks+0x130/0x130 [ 728.988706] 0*16kB [ 728.992938] ? graph_lock+0x170/0x170 [ 728.995064] 1*32kB (U) [ 728.999322] ? print_usage_bug+0xc0/0xc0 [ 729.001540] 2*64kB (U) [ 729.005349] ? graph_lock+0x170/0x170 [ 729.007913] 1*128kB (U) [ 729.011988] ? print_usage_bug+0xc0/0xc0 [ 729.014548] 1*256kB (U) [ 729.018359] ? wq_watchdog_touch+0x9c/0xfe [ 729.021003] 0*512kB 1*1024kB [ 729.025077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.027744] (U) [ 729.031986] ? check_preemption_disabled+0x48/0x280 [ 729.035062] 1*2048kB (M) [ 729.040639] ? check_preemption_disabled+0x48/0x280 [ 729.042593] 3*4096kB [ 729.047651] ? __lock_is_held+0xb5/0x140 [ 729.050368] (M) [ 729.055388] __alloc_pages_nodemask+0xa80/0xde0 [ 729.057772] = 15908kB [ 729.057782] Node 0 [ 729.061841] ? graph_lock+0x170/0x170 [ 729.063797] DMA32: [ 729.068475] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 729.070863] 3*4kB [ 729.073105] ? graph_lock+0x170/0x170 [ 729.076890] (M) [ 729.079142] ? find_held_lock+0x36/0x1c0 [ 729.084137] 1*8kB [ 729.086299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 729.090068] (M) [ 729.092052] ? lock_downgrade+0x900/0x900 [ 729.096090] 3*16kB [ 729.098246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.102879] (UM) 3*32kB [ 729.104876] cache_grow_begin+0x91/0x8c0 [ 729.108995] (UM) 4*64kB [ 729.111247] ? do_raw_spin_unlock+0xa7/0x330 [ 729.116761] (M) [ 729.119898] fallback_alloc+0x203/0x2e0 [ 729.123936] 3*128kB [ 729.126638] ____cache_alloc_node+0x1c7/0x1e0 [ 729.131019] (M) [ 729.133000] kmem_cache_alloc_node+0xe3/0x730 [ 729.136949] 4*256kB (UM) [ 729.139301] ? ipv6_get_ifaddr+0x42e/0x620 [ 729.143770] 3*512kB (M) [ 729.145766] __alloc_skb+0x119/0x770 [ 729.150234] 3*1024kB [ 729.152996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 729.157200] (UM) 3*2048kB [ 729.159883] ? skb_scrub_packet+0x490/0x490 [ 729.163581] (UM) [ 729.166052] ? lock_downgrade+0x900/0x900 [ 729.171322] 3*4096kB (M) [ 729.174188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.178485] = 24868kB [ 729.180552] ? refcount_sub_and_test_checked+0x203/0x310 [ 729.184691] Node 0 [ 729.187469] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 729.192985] Normal: [ 729.195406] ? addrconf_rs_timer+0x690/0x690 [ 729.200838] 871*4kB [ 729.203103] ndisc_alloc_skb+0x144/0x340 [ 729.208519] (MEH) [ 729.210861] ndisc_send_rs+0x331/0x6e0 [ 729.215244] 470*8kB [ 729.217580] addrconf_rs_timer+0x314/0x690 [ 729.221616] (MEH) 180*16kB (UMEH) [ 729.223851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.228179] 61*32kB (UME) [ 729.230540] call_timer_fn+0x272/0x920 [ 729.234741] 19*64kB [ 729.238308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.242515] (UMH) 0*128kB [ 729.245389] ? process_timeout+0x40/0x40 [ 729.249249] 0*256kB [ 729.251577] ? find_held_lock+0x36/0x1c0 [ 729.255792] 0*512kB [ 729.258663] ? mark_held_locks+0xc7/0x130 [ 729.262695] 0*1024kB [ 729.265026] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.269058] 0*2048kB 0*4096kB [ 729.271398] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.275517] = 13292kB [ 729.275532] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 729.277936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.277956] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 729.282441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 729.285654] ? trace_hardirqs_on+0xbd/0x310 [ 729.290128] 238 total pagecache pages [ 729.292554] ? kasan_check_read+0x11/0x20 [ 729.301375] 0 pages in swap cache [ 729.305643] ? __run_timers+0x7da/0xc70 [ 729.310205] Swap cache stats: add 0, delete 0, find 0/0 [ 729.318804] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 729.323110] Free swap = 0kB [ 729.326924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.331056] Total swap = 0kB [ 729.334536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.338496] 1965979 pages RAM [ 729.343864] __run_timers+0x7e5/0xc70 [ 729.349290] 0 pages HighMem/MovableOnly [ 729.349300] 342306 pages reserved [ 729.352341] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 729.356538] 0 pages cma reserved [ 729.359562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 729.363866] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 729.366883] ? graph_lock+0x170/0x170 [ 729.370831] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 729.374654] ? print_usage_bug+0xc0/0xc0 [ 729.378089] syz-executor4 cpuset= [ 729.383446] ? enqueue_hrtimer+0x1a5/0x560 [ 729.383463] ? lock_release+0x970/0x970 [ 729.386819] syz4 [ 729.391837] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 729.398314] mems_allowed=0 [ 729.402117] ? find_held_lock+0x36/0x1c0 [ 729.442400] ? graph_lock+0x170/0x170 [ 729.446213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.451765] ? check_preemption_disabled+0x48/0x280 [ 729.456807] ? __lock_is_held+0xb5/0x140 [ 729.460881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.466431] ? check_preemption_disabled+0x48/0x280 [ 729.471471] run_timer_softirq+0x52/0xb0 [ 729.475543] ? rcu_read_lock_sched_held+0x108/0x120 [ 729.480572] __do_softirq+0x30c/0xb03 [ 729.484412] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 729.489557] ? pvclock_read_flags+0x160/0x160 [ 729.494061] ? lapic_next_event+0x5a/0x90 [ 729.498224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.503774] ? check_preemption_disabled+0x48/0x280 [ 729.508799] ? check_preemption_disabled+0x48/0x280 [ 729.513828] ? kvm_clock_read+0x18/0x30 [ 729.517811] ? kvm_sched_clock_read+0x9/0x20 [ 729.522229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.527775] ? check_preemption_disabled+0x48/0x280 [ 729.532812] irq_exit+0x17f/0x1c0 [ 729.536277] smp_apic_timer_interrupt+0x1cb/0x760 [ 729.541125] ? smp_reschedule_interrupt+0x109/0x650 [ 729.546154] ? smp_call_function_single_interrupt+0x650/0x650 [ 729.552048] ? interrupt_entry+0xb5/0xf0 [ 729.556118] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.561139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.566167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.571016] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.576055] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.581080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.586638] ? check_preemption_disabled+0x48/0x280 [ 729.591671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.597228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.602109] apic_timer_interrupt+0xf/0x20 [ 729.606346] [ 729.608593] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 729.613808] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 729.632735] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 729.640455] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 729.647732] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 729.655004] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 729.662280] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 729.669553] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 729.677759] retint_kernel+0x1b/0x2d [ 729.681488] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 729.686775] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 729.705700] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 729.713428] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 729.720706] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 729.727986] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 729.736132] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 729.743412] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 729.750724] ? arch_local_irq_restore+0x45/0x52 [ 729.755414] dump_stack+0x26a/0x2b6 [ 729.759053] ? dump_stack_print_info.cold.1+0x20/0x20 [ 729.764257] ? mark_held_locks+0x130/0x130 [ 729.768499] ? mark_held_locks+0x130/0x130 [ 729.772749] dump_header+0x27b/0xf72 [ 729.776484] ? pagefault_out_of_memory+0x197/0x197 [ 729.781429] ? __lock_acquire+0x7ec/0x4ec0 [ 729.785683] ? print_usage_bug+0xc0/0xc0 [ 729.789760] ? graph_lock+0x170/0x170 [ 729.793564] ? graph_lock+0x170/0x170 [ 729.797375] ? print_usage_bug+0xc0/0xc0 [ 729.801452] ? print_usage_bug+0xc0/0xc0 [ 729.805525] ? print_usage_bug+0xc0/0xc0 [ 729.809612] ? find_held_lock+0x36/0x1c0 [ 729.813697] ? mark_held_locks+0xc7/0x130 [ 729.817860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 729.822971] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 729.828084] ? lockdep_hardirqs_on+0x421/0x5c0 [ 729.832675] ? trace_hardirqs_on+0xbd/0x310 [ 729.837002] ? kasan_check_read+0x11/0x20 [ 729.841160] ? ___ratelimit+0x36f/0x655 [ 729.845145] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 729.850624] ? trace_hardirqs_on+0x310/0x310 [ 729.855060] ? lock_downgrade+0x900/0x900 [ 729.859242] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 729.864356] ? ___ratelimit+0xaa/0x655 [ 729.868253] ? idr_get_free+0xec0/0xec0 [ 729.872238] ? kasan_check_write+0x14/0x20 [ 729.876484] ? do_raw_spin_lock+0xc1/0x230 [ 729.880737] oom_kill_process.cold.27+0x10/0x903 [ 729.885509] ? graph_lock+0x170/0x170 [ 729.889319] ? _raw_spin_unlock+0x2c/0x50 [ 729.893474] ? oom_badness+0xe6/0xaa0 [ 729.897290] ? oom_evaluate_task+0x540/0x540 [ 729.901716] ? find_held_lock+0x36/0x1c0 [ 729.905798] ? out_of_memory+0x974/0x1430 [ 729.909954] ? lock_downgrade+0x900/0x900 [ 729.914116] ? check_preemption_disabled+0x48/0x280 [ 729.919668] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 729.926314] ? kasan_check_read+0x11/0x20 [ 729.930473] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 729.935763] ? rcu_bh_qs+0xc0/0xc0 [ 729.939316] ? kasan_check_write+0x14/0x20 [ 729.943560] ? oom_evaluate_task+0x302/0x540 [ 729.947986] out_of_memory+0xa84/0x1430 [ 729.951978] ? oom_killer_disable+0x3a0/0x3a0 [ 729.956484] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 729.961948] ? __mutex_add_waiter+0x2a0/0x2a0 [ 729.966469] __alloc_pages_slowpath+0x230f/0x2d70 [ 729.971359] ? warn_alloc+0x120/0x120 [ 729.975168] ? __radix_tree_lookup+0x4c0/0x4c0 [ 729.979776] ? find_get_entry+0x2f2/0xc40 [ 729.983940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.989487] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 729.994426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.999973] ? should_fail+0x22d/0xd01 [ 730.003874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.008982] ? __lock_is_held+0xb5/0x140 [ 730.013080] ? __lock_is_held+0xb5/0x140 [ 730.017161] ? find_held_lock+0x36/0x1c0 [ 730.021235] ? ___might_sleep+0x1ed/0x300 [ 730.025390] ? lock_release+0x970/0x970 [ 730.029374] ? arch_local_save_flags+0x40/0x40 [ 730.033986] ? __might_sleep+0x95/0x190 [ 730.037979] __alloc_pages_nodemask+0xa80/0xde0 [ 730.042674] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 730.047703] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 730.053512] ? kasan_check_read+0x11/0x20 [ 730.057674] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 730.062969] ? graph_lock+0x170/0x170 [ 730.066784] ? print_usage_bug+0xc0/0xc0 [ 730.070862] ? graph_lock+0x170/0x170 [ 730.074671] ? graph_lock+0x170/0x170 [ 730.078481] ? __do_page_cache_readahead+0x7ce/0x980 [ 730.083602] ? find_held_lock+0x36/0x1c0 [ 730.088721] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 730.094271] alloc_pages_current+0x10c/0x210 [ 730.098689] ? lock_downgrade+0x900/0x900 [ 730.102853] __page_cache_alloc+0x38f/0x5b0 [ 730.107201] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 730.113009] ? kasan_check_read+0x11/0x20 [ 730.117167] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 730.122978] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 730.127664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.133213] ? check_preemption_disabled+0x48/0x280 [ 730.138247] filemap_fault+0x1594/0x25f0 [ 730.142334] ? __lock_page_or_retry+0xa00/0xa00 [ 730.147010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 730.152817] ? kasan_check_read+0x11/0x20 [ 730.156976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 730.162260] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 730.167379] ? rcu_bh_qs+0xc0/0xc0 [ 730.170931] ? trace_hardirqs_on+0xbd/0x310 [ 730.175262] ? kasan_check_read+0x11/0x20 [ 730.180163] ? __free_object+0x173/0x340 [ 730.184242] ? filemap_map_pages+0xdea/0x1980 [ 730.188754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 730.193870] ? __free_object+0x173/0x340 [ 730.197943] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 730.203225] ? debug_object_free+0x325/0x690 [ 730.207657] ? find_get_pages_range_tag+0x1320/0x1320 [ 730.212860] ? graph_lock+0x170/0x170 [ 730.216680] ? kasan_check_read+0x11/0x20 [ 730.220840] ? debug_object_destroy+0x2b0/0x2b0 [ 730.225528] ? lock_acquire+0x1ed/0x520 [ 730.229512] ? ext4_filemap_fault+0x7a/0xad [ 730.233849] ? lock_release+0x970/0x970 [ 730.237846] ? arch_local_save_flags+0x40/0x40 [ 730.242444] ? futex_wait_setup+0x3e0/0x3e0 [ 730.246808] ? down_read+0xb0/0x1d0 [ 730.250462] ? ext4_filemap_fault+0x7a/0xad [ 730.254793] ? __down_interruptible+0x700/0x700 [ 730.259489] ext4_filemap_fault+0x82/0xad [ 730.263771] __do_fault+0x100/0x6b0 [ 730.267407] ? print_bad_pte+0x6c0/0x6c0 [ 730.271473] ? do_futex+0x249/0x26d0 [ 730.275191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.280735] ? check_preemption_disabled+0x48/0x280 [ 730.285757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 730.290522] ? pmd_val+0x88/0x100 [ 730.293982] ? add_mm_counter_fast+0xd0/0xd0 [ 730.298412] ? pmd_val+0x88/0x100 [ 730.301869] ? add_mm_counter_fast+0xd0/0xd0 [ 730.306289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.311842] __handle_mm_fault+0x3709/0x53e0 [ 730.316259] ? debug_smp_processor_id+0x1c/0x20 [ 730.320942] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 730.325795] ? graph_lock+0x170/0x170 [ 730.329602] ? print_usage_bug+0xc0/0xc0 [ 730.333686] ? should_fail+0xaf/0xd01 [ 730.337495] ? graph_lock+0x170/0x170 [ 730.341321] ? graph_lock+0x170/0x170 [ 730.345150] ? handle_mm_fault+0x42a/0xc70 [ 730.349391] ? lock_downgrade+0x900/0x900 [ 730.353546] ? check_preemption_disabled+0x48/0x280 [ 730.358578] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 730.364395] ? kasan_check_read+0x11/0x20 [ 730.368573] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 730.373865] ? rcu_bh_qs+0xc0/0xc0 [ 730.377413] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 730.382874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.388416] ? check_preemption_disabled+0x48/0x280 [ 730.393465] handle_mm_fault+0x54f/0xc70 [ 730.397541] ? __handle_mm_fault+0x53e0/0x53e0 [ 730.402134] ? find_vma+0x34/0x190 [ 730.405692] __do_page_fault+0x67d/0xed0 [ 730.409769] ? mm_fault_error+0x380/0x380 [ 730.413939] ? trace_hardirqs_off+0xb8/0x310 [ 730.418352] ? trace_hardirqs_on+0x310/0x310 [ 730.422766] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.428141] ? trace_hardirqs_on+0x310/0x310 [ 730.432560] do_page_fault+0xf2/0x7e0 [ 730.436386] ? vmalloc_sync_all+0x30/0x30 [ 730.440650] ? error_entry+0x70/0xd0 [ 730.444371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.449404] ? trace_hardirqs_on_caller+0xc0/0x310 [ 730.454345] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.459275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.464126] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.469143] ? trace_hardirqs_off+0x310/0x310 [ 730.473658] ? prepare_exit_to_usermode+0x291/0x3b0 [ 730.478677] ? page_fault+0x8/0x30 [ 730.482224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.487075] ? page_fault+0x8/0x30 [ 730.490634] page_fault+0x1e/0x30 [ 730.494117] RIP: 0033:0x45ddf3 [ 730.497318] Code: Bad RIP value. [ 730.500683] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 730.506050] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 730.513323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 730.520597] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 730.527889] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 730.535158] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 730.542535] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 730.542579] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 730.549823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.556070] Call Trace: [ 730.565413] rcu: (detected by 0, t=10654 jiffies, g=99961, q=5) [ 730.567993] [ 730.568020] dump_stack+0x1c4/0x2b6 [ 730.574145] rcu: All QSes seen, last rcu_preempt kthread activity 10654 (4295010204-4294999550), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 730.576292] ? dump_stack_print_info.cold.1+0x20/0x20 [ 730.579903] syz-fuzzer R [ 730.592617] warn_alloc.cold.119+0xb7/0x1bd [ 730.597777] running task [ 730.600886] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 730.605198] 10440 5417 5412 0x80000008 [ 730.608391] ? lock_downgrade+0x900/0x900 [ 730.613232] Call Trace: [ 730.617400] ? trace_hardirqs_off+0xb8/0x310 [ 730.621523] [ 730.624133] ? trace_hardirqs_off+0xb8/0x310 [ 730.628523] sched_show_task.cold.83+0x2b6/0x30a [ 730.630669] __alloc_pages_slowpath+0x265e/0x2d70 [ 730.635061] ? can_nice.part.74+0x20/0x20 [ 730.639837] ? warn_alloc+0x120/0x120 [ 730.644656] ? vprintk_default+0x28/0x30 [ 730.648796] ? trace_hardirqs_on+0x310/0x310 [ 730.652582] ? vprintk_func+0x85/0x181 [ 730.656641] ? warn_alloc+0x120/0x120 [ 730.661040] ? vprintk_func+0x85/0x181 [ 730.664921] ? print_usage_bug+0xc0/0xc0 [ 730.668714] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 730.672592] ? warn_alloc+0x120/0x120 [ 730.676659] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 730.681402] ? ktime_get+0x2e1/0x440 [ 730.685198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.689943] ? print_usage_bug+0xc0/0xc0 [ 730.693655] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 730.699180] ? __lock_acquire+0x7ec/0x4ec0 [ 730.703243] ? print_cpu_stall+0x1c0/0x1c0 [ 730.708499] ? __lock_acquire+0x7ec/0x4ec0 [ 730.713147] ? graph_lock+0x170/0x170 [ 730.717374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.721596] ? print_usage_bug+0xc0/0xc0 [ 730.725398] ? should_fail+0x22d/0xd01 [ 730.730924] ? lock_downgrade+0x900/0x900 [ 730.734973] ? __lock_acquire+0x7ec/0x4ec0 [ 730.738858] ? check_preemption_disabled+0x48/0x280 [ 730.742996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.747221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.752227] ? __lock_acquire+0x7ec/0x4ec0 [ 730.757325] ? check_preemption_disabled+0x48/0x280 [ 730.762850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.767074] ? check_preemption_disabled+0x48/0x280 [ 730.772091] ? __lock_acquire+0x7ec/0x4ec0 [ 730.772108] ? should_fail+0x22d/0xd01 [ 730.777208] ? rcu_test_sync_prims+0x30/0x30 [ 730.782223] ? mark_held_locks+0x130/0x130 [ 730.786445] ? __lock_is_held+0xb5/0x140 [ 730.790322] ? mark_held_locks+0x130/0x130 [ 730.794721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.798952] ? graph_lock+0x170/0x170 [ 730.803008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.807231] ? print_usage_bug+0xc0/0xc0 [ 730.812763] ? check_preemption_disabled+0x48/0x280 [ 730.816552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.822093] rcu_check_callbacks+0xafc/0x1990 [ 730.826138] ? check_preemption_disabled+0x48/0x280 [ 730.831154] ? rcu_cpu_stall_reset+0x220/0x220 [ 730.836684] ? check_preemption_disabled+0x48/0x280 [ 730.841182] ? lock_release+0x970/0x970 [ 730.846196] ? __lock_is_held+0xb5/0x140 [ 730.850778] ? graph_lock+0x170/0x170 [ 730.855781] __alloc_pages_nodemask+0xa80/0xde0 [ 730.859739] ? graph_lock+0x170/0x170 [ 730.863791] ? graph_lock+0x170/0x170 [ 730.867583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.872242] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 730.876055] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 730.879845] ? graph_lock+0x170/0x170 [ 730.885376] ? kvm_set_tsc_khz+0x540/0x540 [ 730.890389] ? find_held_lock+0x36/0x1c0 [ 730.894966] ? graph_lock+0x170/0x170 [ 730.898759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 730.902978] ? timekeeping_advance+0x3cc/0xc00 [ 730.907048] ? lock_downgrade+0x900/0x900 [ 730.910841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.915504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.920075] ? check_preemption_disabled+0x48/0x280 [ 730.924230] cache_grow_begin+0x91/0x8c0 [ 730.929776] ? check_preemption_disabled+0x48/0x280 [ 730.935305] ? do_raw_spin_unlock+0xa7/0x330 [ 730.940315] ? trace_hardirqs_off+0xb8/0x310 [ 730.944377] fallback_alloc+0x203/0x2e0 [ 730.949376] ? __lock_is_held+0xb5/0x140 [ 730.953784] ____cache_alloc_node+0x1c7/0x1e0 [ 730.958183] ? trace_hardirqs_on+0x310/0x310 [ 730.962151] kmem_cache_alloc_node+0xe3/0x730 [ 730.966206] ? check_preemption_disabled+0x48/0x280 [ 730.970695] ? ipv6_get_ifaddr+0x42e/0x620 [ 730.975101] ? raise_softirq+0x199/0x420 [ 730.979588] __alloc_skb+0x119/0x770 [ 730.984588] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 730.988827] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 730.992877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.996580] ? skb_scrub_packet+0x490/0x490 [ 731.001247] ? check_preemption_disabled+0x48/0x280 [ 731.006513] ? lock_downgrade+0x900/0x900 [ 731.012041] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.016358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.021380] ? hrtimer_run_queues+0x9a/0x400 [ 731.025520] ? refcount_sub_and_test_checked+0x203/0x310 [ 731.031058] ? run_local_timers+0x19b/0x230 [ 731.036589] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 731.040995] ? timer_clear_idle+0x90/0x90 [ 731.046442] ? addrconf_rs_timer+0x690/0x690 [ 731.050755] ? debug_smp_processor_id+0x1c/0x20 [ 731.056201] ndisc_alloc_skb+0x144/0x340 [ 731.060336] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 731.064734] ndisc_send_rs+0x331/0x6e0 [ 731.069393] ? account_process_tick+0x282/0x350 [ 731.073443] addrconf_rs_timer+0x314/0x690 [ 731.079405] update_process_times+0x2d/0x70 [ 731.083283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.087945] tick_sched_handle+0x9f/0x180 [ 731.092168] call_timer_fn+0x272/0x920 [ 731.092176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.092186] ? process_timeout+0x40/0x40 [ 731.092194] ? find_held_lock+0x36/0x1c0 [ 731.092207] ? __run_timers+0x7da/0xc70 [ 731.092220] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.092228] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.092235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.092243] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 731.092253] ? trace_hardirqs_on+0xbd/0x310 [ 731.092264] ? kasan_check_read+0x11/0x20 [ 731.092272] ? __run_timers+0x7da/0xc70 [ 731.092281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 731.092292] ? work_on_cpu_safe+0x90/0x90 [ 731.092303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.092311] __run_timers+0x7e5/0xc70 [ 731.092326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 731.092337] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 731.092345] ? graph_lock+0x170/0x170 [ 731.092355] ? enqueue_hrtimer+0x1a5/0x560 [ 731.092361] ? lock_release+0x970/0x970 [ 731.092370] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.092382] ? find_held_lock+0x36/0x1c0 [ 731.092392] ? graph_lock+0x170/0x170 [ 731.092402] ? pvclock_read_flags+0x160/0x160 [ 731.092410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.092420] ? check_preemption_disabled+0x48/0x280 [ 731.092435] ? __lock_is_held+0xb5/0x140 [ 731.092443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.092452] ? check_preemption_disabled+0x48/0x280 [ 731.092464] run_timer_softirq+0x52/0xb0 [ 731.092472] ? rcu_read_lock_sched_held+0x108/0x120 [ 731.092481] __do_softirq+0x30c/0xb03 [ 731.092495] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 731.092506] ? pvclock_read_flags+0x160/0x160 [ 731.092515] ? lapic_next_event+0x5a/0x90 [ 731.092523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.092531] ? check_preemption_disabled+0x48/0x280 [ 731.092539] ? check_preemption_disabled+0x48/0x280 [ 731.092551] ? kvm_clock_read+0x18/0x30 [ 731.092559] ? kvm_sched_clock_read+0x9/0x20 [ 731.092568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.092577] ? check_preemption_disabled+0x48/0x280 [ 731.092593] irq_exit+0x17f/0x1c0 [ 731.092601] smp_apic_timer_interrupt+0x1cb/0x760 [ 731.092623] ? smp_reschedule_interrupt+0x109/0x650 [ 731.092643] ? smp_call_function_single_interrupt+0x650/0x650 [ 731.096967] tick_sched_timer+0x45/0x130 [ 731.101201] ? interrupt_entry+0xb5/0xf0 [ 731.105337] __hrtimer_run_queues+0x41c/0x10d0 [ 731.109220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.113449] ? tick_sched_do_timer+0x1a0/0x1a0 [ 731.117514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.122060] ? hrtimer_start_range_ns+0xe00/0xe00 [ 731.126030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.130514] ? pvclock_read_flags+0x160/0x160 [ 731.134995] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.139222] ? trace_hardirqs_on+0x310/0x310 [ 731.143788] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.143807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.148128] ? kvm_clock_read+0x18/0x30 [ 731.152273] ? check_preemption_disabled+0x48/0x280 [ 731.156234] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 731.161677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.165812] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 731.170039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.173850] ? do_timer+0x50/0x50 [ 731.179223] apic_timer_interrupt+0xf/0x20 [ 731.184242] ? trace_hardirqs_on+0x310/0x310 [ 731.188024] [ 731.192261] ? do_raw_spin_lock+0xc1/0x230 [ 731.196231] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 731.201415] hrtimer_interrupt+0x313/0x780 [ 731.208331] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 731.212138] smp_apic_timer_interrupt+0x1a1/0x760 [ 731.216599] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 731.222163] ? smp_call_function_single_interrupt+0x650/0x650 [ 731.227660] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 731.227674] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 731.231739] ? interrupt_entry+0xb5/0xf0 [ 731.237260] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 731.242276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.246320] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 731.251332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 731.255107] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 731.255168] skb_clone+0x1bb/0x500 [ 731.260238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.264725] ? skb_split+0x11e0/0x11e0 [ 731.268863] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.274395] ? preempt_notifier_register+0x200/0x200 [ 731.279406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.284405] ? __switch_to_asm+0x34/0x70 [ 731.288371] apic_timer_interrupt+0xf/0x20 [ 731.292766] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 731.298296] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 731.303299] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 731.306744] Code: 41 7e 0f 85 32 ff ff ff e8 95 04 40 ff e9 28 ff ff ff e8 5c 3f c4 ff 48 83 3d cc 78 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 731.311584] bpf_clone_redirect+0xb9/0x490 [ 731.316968] RSP: 0000:ffff8801dae07440 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 731.322872] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 731.326914] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b15e9f3 [ 731.330973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 731.335539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 731.340557] ? find_held_lock+0x36/0x1c0 [ 731.345115] RBP: ffff8801dae074b0 R08: ffff8801d8af4f98 R09: 0000000000000002 [ 731.345135] R10: 0000000000000000 R11: ffff8801d8af4680 R12: ffff8801d9be7680 [ 731.350153] ? lock_acquire+0x1ed/0x520 [ 731.354970] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286 [ 731.354989] ? apic_timer_interrupt+0xa/0x20 [ 731.359841] ? bpf_test_run+0x3cb/0x780 [ 731.364342] ? ipv6_get_ifaddr+0x42e/0x620 [ 731.369349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.373750] __alloc_skb+0x119/0x770 [ 731.378799] ? check_preemption_disabled+0x48/0x280 [ 731.384339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 731.388305] ? kasan_check_read+0x11/0x20 [ 731.393319] ? skb_scrub_packet+0x490/0x490 [ 731.398328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 731.403856] ? lock_downgrade+0x900/0x900 [ 731.409242] ? rcu_bh_qs+0xc0/0xc0 [ 731.414081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.417522] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 731.421749] ? refcount_sub_and_test_checked+0x203/0x310 [ 731.426154] ? bpf_test_run+0x25d/0x780 [ 731.428375] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 731.432614] ? netlink_diag_dump+0x2a0/0x2a0 [ 731.437547] ? addrconf_rs_timer+0x690/0x690 [ 731.441771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.460675] ndisc_alloc_skb+0x144/0x340 [ 731.465501] ? bpf_test_init.isra.10+0x70/0x100 [ 731.473201] ndisc_send_rs+0x331/0x6e0 [ 731.479075] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 731.486342] addrconf_rs_timer+0x314/0x690 [ 731.493616] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 731.497670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.504933] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.509970] call_timer_fn+0x272/0x920 [ 731.517239] ? fput+0x130/0x1a0 [ 731.521897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.529164] ? __bpf_prog_get+0x9b/0x290 [ 731.532701] ? process_timeout+0x40/0x40 [ 731.537540] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 731.541419] ? find_held_lock+0x36/0x1c0 [ 731.546421] ? bpf_prog_test_run+0x130/0x1a0 [ 731.551523] ? mark_held_locks+0xc7/0x130 [ 731.556360] ? __x64_sys_bpf+0x3d8/0x520 [ 731.560413] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.564644] ? bpf_prog_get+0x20/0x20 [ 731.569396] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.574768] ? do_syscall_64+0x1b9/0x820 [ 731.579496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.598401] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 731.598420] ? syscall_return_slowpath+0x5e0/0x5e0 [ 731.602657] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 731.610356] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.615364] ? trace_hardirqs_on+0xbd/0x310 [ 731.622636] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 731.622655] ? recalc_sigpending_tsk+0x180/0x180 [ 731.627427] ? kasan_check_read+0x11/0x20 [ 731.634694] ? kasan_check_write+0x14/0x20 [ 731.638751] ? __run_timers+0x7da/0xc70 [ 731.646035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.653302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 731.657279] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 731.664582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.668996] warn_alloc_show_mem: 1 callbacks suppressed [ 731.669002] Mem-Info: [ 731.672947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.677187] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 731.677187] active_file:13 inactive_file:34 isolated_file:0 [ 731.677187] unevictable:0 dirty:0 writeback:0 unstable:0 [ 731.677187] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 731.677187] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 731.677187] free:13625 free_pcp:139 free_cma:0 [ 731.682704] __run_timers+0x7e5/0xc70 [ 731.686421] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 731.691427] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 731.696672] Node 0 [ 731.700826] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 731.705157] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 731.710541] ? graph_lock+0x170/0x170 [ 731.714663] lowmem_reserve[]: 0 [ 731.718218] ? print_usage_bug+0xc0/0xc0 [ 731.723731] 2819 6323 [ 731.728930] ? enqueue_hrtimer+0x1a5/0x560 [ 731.734368] 6323 [ 731.738359] ? lock_release+0x970/0x970 [ 731.743791] Node 0 [ 731.748221] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.752645] DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 731.758175] ? find_held_lock+0x36/0x1c0 [ 731.762212] lowmem_reserve[]: [ 731.766883] ? graph_lock+0x170/0x170 [ 731.770747] 0 0 [ 731.775517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.779722] 3503 3503 [ 731.784595] ? check_preemption_disabled+0x48/0x280 [ 731.794377] ? __lock_is_held+0xb5/0x140 [ 731.798238] Node 0 [ 731.801540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.805785] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 731.809822] ? check_preemption_disabled+0x48/0x280 [ 731.813862] lowmem_reserve[]: [ 731.818729] run_timer_softirq+0x52/0xb0 [ 731.822781] 0 [ 731.827200] ? rcu_read_lock_sched_held+0x108/0x120 [ 731.831336] 0 0 [ 731.835414] __do_softirq+0x30c/0xb03 [ 731.839887] 0 [ 731.843708] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 731.848172] Node 0 [ 731.852265] ? pvclock_read_flags+0x160/0x160 [ 731.856474] DMA: 1*4kB [ 731.861849] ? lapic_next_event+0x5a/0x90 [ 731.866756] (U) 0*8kB [ 731.871357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.876437] 0*16kB [ 731.880767] ? check_preemption_disabled+0x48/0x280 [ 731.885759] 1*32kB [ 731.890519] ? check_preemption_disabled+0x48/0x280 [ 731.894644] (U) [ 731.898884] ? kvm_clock_read+0x18/0x30 [ 731.902838] 2*64kB [ 731.907679] ? kvm_sched_clock_read+0x9/0x20 [ 731.913108] (U) [ 731.918474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.922684] 1*128kB (U) [ 731.928067] ? check_preemption_disabled+0x48/0x280 [ 731.930459] 1*256kB [ 731.934719] irq_exit+0x17f/0x1c0 [ 731.967586] (U) 0*512kB [ 731.971439] smp_apic_timer_interrupt+0x1cb/0x760 [ 731.999020] 1*1024kB (U) [ 732.004418] ? smp_reschedule_interrupt+0x109/0x650 [ 732.006642] 1*2048kB [ 732.011659] ? smp_call_function_single_interrupt+0x650/0x650 [ 732.037162] (M) [ 732.040979] ? interrupt_entry+0xb5/0xf0 [ 732.044222] 3*4096kB (M) [ 732.048297] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.050771] = 15908kB [ 732.055009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.057058] Node 0 [ 732.061037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.063256] DMA32: [ 732.068446] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.095601] 3*4kB [ 732.099703] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.102789] (M) [ 732.106594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.108560] 1*8kB [ 732.114107] ? check_preemption_disabled+0x48/0x280 [ 732.116590] (M) [ 732.123095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.123124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.127184] 3*16kB [ 732.129428] apic_timer_interrupt+0xf/0x20 [ 732.134940] (UM) [ 732.163320] [ 732.168335] 3*32kB [ 732.171448] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 732.175479] (UM) [ 732.177292] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 732.182286] 4*64kB (M) [ 732.184268] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 732.188069] 3*128kB [ 732.189868] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 732.194964] (M) [ 732.197200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 732.201676] 4*256kB (UM) [ 732.204269] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 732.208402] 3*512kB [ 732.210893] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 732.216405] (M) 3*1024kB [ 732.218681] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 732.218741] retint_kernel+0x1b/0x2d [ 732.223692] (UM) 3*2048kB [ 732.225947] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 732.230937] (UM) [ 732.232918] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 732.236870] 3*4096kB (M) [ 732.239137] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 [ 732.243527] = 24868kB [ 732.243537] Node 0 [ 732.245506] ORIG_RAX: ffffffffffffff02 [ 732.251027] Normal: 871*4kB [ 732.253705] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 732.258698] (MEH) 470*8kB [ 732.261033] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 732.264479] (MEH) 180*16kB [ 732.267147] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 732.267160] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 732.271990] (UMEH) [ 732.274736] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 732.274781] ? arch_local_irq_restore+0x45/0x52 [ 732.279751] 61*32kB (UME) [ 732.282177] dump_stack+0x26a/0x2b6 [ 732.288033] 19*64kB (UMH) [ 732.290021] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.294054] 0*128kB 0*256kB [ 732.296824] ? mark_held_locks+0x130/0x130 [ 732.301811] 0*512kB 0*1024kB [ 732.304228] ? mark_held_locks+0x130/0x130 [ 732.309232] 0*2048kB 0*4096kB [ 732.311483] dump_header+0x27b/0xf72 [ 732.316302] = 13292kB [ 732.318545] ? pagefault_out_of_memory+0x197/0x197 [ 732.323537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 732.325704] ? __lock_acquire+0x7ec/0x4ec0 [ 732.330703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 732.332677] ? print_usage_bug+0xc0/0xc0 [ 732.338209] 238 total pagecache pages [ 732.340377] ? graph_lock+0x170/0x170 [ 732.345374] 0 pages in swap cache [ 732.347348] ? graph_lock+0x170/0x170 [ 732.352873] Swap cache stats: add 0, delete 0, find 0/0 [ 732.357713] ? print_usage_bug+0xc0/0xc0 [ 732.359935] Free swap = 0kB [ 732.364191] ? print_usage_bug+0xc0/0xc0 [ 732.366229] Total swap = 0kB [ 732.366238] 1965979 pages RAM [ 732.368472] ? print_usage_bug+0xc0/0xc0 [ 732.370697] 0 pages HighMem/MovableOnly [ 732.370706] 342306 pages reserved [ 732.375897] ? find_held_lock+0x36/0x1c0 [ 732.377939] 0 pages cma reserved [ 732.396848] ? mark_held_locks+0xc7/0x130 [ 732.399490] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 732.407122] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.409627] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.416762] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.418721] syz-executor4 cpuset= [ 732.425996] ? lockdep_hardirqs_on+0x421/0x5c0 [ 732.428740] syz4 [ 732.436017] ? trace_hardirqs_on+0xbd/0x310 [ 732.438324] mems_allowed=0 [ 732.445627] ? kasan_check_read+0x11/0x20 [ 732.448369] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 732.455656] ? ___ratelimit+0x36f/0x655 [ 732.459356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.462198] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 732.467456] Call Trace: [ 732.469531] ? trace_hardirqs_on+0x310/0x310 [ 732.488424] [ 732.491185] ? lock_downgrade+0x900/0x900 [ 732.496538] dump_stack+0x1c4/0x2b6 [ 732.498941] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 732.501178] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.505142] ? ___ratelimit+0xaa/0x655 [ 732.508178] warn_alloc.cold.119+0xb7/0x1bd [ 732.515429] ? idr_get_free+0xec0/0xec0 [ 732.518266] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.525533] ? kasan_check_write+0x14/0x20 [ 732.528466] ? lock_downgrade+0x900/0x900 [ 732.535731] ? do_raw_spin_lock+0xc1/0x230 [ 732.542996] ? trace_hardirqs_off+0xb8/0x310 [ 732.545220] oom_kill_process.cold.27+0x10/0x903 [ 732.552485] ? trace_hardirqs_off+0xb8/0x310 [ 732.557142] ? graph_lock+0x170/0x170 [ 732.559983] __alloc_pages_slowpath+0x265e/0x2d70 [ 732.563627] ? _raw_spin_unlock+0x2c/0x50 [ 732.566482] ? warn_alloc+0x120/0x120 [ 732.571644] ? oom_badness+0xe6/0xaa0 [ 732.574659] ? trace_hardirqs_on+0x310/0x310 [ 732.578896] ? oom_evaluate_task+0x540/0x540 [ 732.581996] ? warn_alloc+0x120/0x120 [ 732.586234] ? find_held_lock+0x36/0x1c0 [ 732.589431] ? print_usage_bug+0xc0/0xc0 [ 732.593142] ? out_of_memory+0x974/0x1430 [ 732.595544] ? warn_alloc+0x120/0x120 [ 732.600475] ? lock_downgrade+0x900/0x900 [ 732.609302] ? ktime_get+0x2e1/0x440 [ 732.613531] ? check_preemption_disabled+0x48/0x280 [ 732.622112] ? print_usage_bug+0xc0/0xc0 [ 732.626169] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 732.629971] ? __lock_acquire+0x7ec/0x4ec0 [ 732.633778] ? kasan_check_read+0x11/0x20 [ 732.637216] ? __lock_acquire+0x7ec/0x4ec0 [ 732.641008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 732.646361] ? kasan_check_read+0x11/0x20 [ 732.650412] ? rcu_bh_qs+0xc0/0xc0 [ 732.653439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.657485] ? kasan_check_write+0x14/0x20 [ 732.660498] ? should_fail+0x22d/0xd01 [ 732.663602] ? oom_evaluate_task+0x302/0x540 [ 732.667662] ? rcu_bh_qs+0xc0/0xc0 [ 732.671639] out_of_memory+0xa84/0x1430 [ 732.675089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.679149] ? oom_killer_disable+0x3a0/0x3a0 [ 732.682497] ? __lock_acquire+0x7ec/0x4ec0 [ 732.686649] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 732.693136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.698224] ? __mutex_add_waiter+0x2a0/0x2a0 [ 732.708710] ? __lock_acquire+0x7ec/0x4ec0 [ 732.708727] ? should_fail+0x22d/0xd01 [ 732.713848] __alloc_pages_slowpath+0x230f/0x2d70 [ 732.717282] ? rcu_idle_enter+0x4b0/0x4b0 [ 732.721879] ? warn_alloc+0x120/0x120 [ 732.723826] ? mark_held_locks+0x130/0x130 [ 732.728153] ? __radix_tree_lookup+0x4c0/0x4c0 [ 732.731074] ? mark_held_locks+0x130/0x130 [ 732.735220] ? find_get_entry+0x2f2/0xc40 [ 732.742473] ? mark_held_locks+0xc7/0x130 [ 732.746442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.755785] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 732.761249] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 732.763823] ? graph_lock+0x170/0x170 [ 732.768221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.770363] ? print_usage_bug+0xc0/0xc0 [ 732.774506] ? should_fail+0x22d/0xd01 [ 732.778129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.783218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.788407] ? check_preemption_disabled+0x48/0x280 [ 732.792282] ? __lock_is_held+0xb5/0x140 [ 732.796596] ? check_preemption_disabled+0x48/0x280 [ 732.800595] ? __lock_is_held+0xb5/0x140 [ 732.805409] ? __lock_is_held+0xb5/0x140 [ 732.809650] ? find_held_lock+0x36/0x1c0 [ 732.813780] __alloc_pages_nodemask+0xa80/0xde0 [ 732.818000] ? ___might_sleep+0x1ed/0x300 [ 732.822397] ? graph_lock+0x170/0x170 [ 732.827159] ? lock_release+0x970/0x970 [ 732.831576] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 732.835383] ? arch_local_save_flags+0x40/0x40 [ 732.840212] ? graph_lock+0x170/0x170 [ 732.844375] ? __might_sleep+0x95/0x190 [ 732.848171] ? find_held_lock+0x36/0x1c0 [ 732.851959] __alloc_pages_nodemask+0xa80/0xde0 [ 732.856364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 732.860760] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 732.864545] ? lock_downgrade+0x900/0x900 [ 732.868600] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 732.872663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.876799] ? kasan_check_read+0x11/0x20 [ 732.880591] cache_grow_begin+0x91/0x8c0 [ 732.884739] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 732.888454] ? do_raw_spin_unlock+0xa7/0x330 [ 732.893471] ? graph_lock+0x170/0x170 [ 732.897526] fallback_alloc+0x203/0x2e0 [ 732.903309] ? print_usage_bug+0xc0/0xc0 [ 732.907548] ____cache_alloc_node+0x1c7/0x1e0 [ 732.911680] ? graph_lock+0x170/0x170 [ 732.915912] kmem_cache_alloc_node+0xe3/0x730 [ 732.921687] ? graph_lock+0x170/0x170 [ 732.925830] ? ipv6_get_ifaddr+0x42e/0x620 [ 732.929365] ? __do_page_cache_readahead+0x7ce/0x980 [ 732.934896] __alloc_skb+0x119/0x770 [ 732.939117] ? find_held_lock+0x36/0x1c0 [ 732.943001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 732.947408] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 732.950939] ? skb_scrub_packet+0x490/0x490 [ 732.954903] alloc_pages_current+0x10c/0x210 [ 732.959997] ? lock_downgrade+0x900/0x900 [ 732.965583] ? lock_downgrade+0x900/0x900 [ 732.969817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.974738] __page_cache_alloc+0x38f/0x5b0 [ 732.979834] ? refcount_sub_and_test_checked+0x203/0x310 [ 732.984323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 732.988544] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 732.992426] ? kasan_check_read+0x11/0x20 [ 732.997256] ? addrconf_rs_timer+0x690/0x690 [ 733.001396] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 733.005194] ndisc_alloc_skb+0x144/0x340 [ 733.009415] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 733.013987] ndisc_send_rs+0x331/0x6e0 [ 733.018210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.022348] addrconf_rs_timer+0x314/0x690 [ 733.026486] ? check_preemption_disabled+0x48/0x280 [ 733.032022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 733.037036] filemap_fault+0x1594/0x25f0 [ 733.041986] call_timer_fn+0x272/0x920 [ 733.045777] ? __lock_page_or_retry+0xa00/0xa00 [ 733.051298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 733.055357] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 733.059232] ? process_timeout+0x40/0x40 [ 733.064760] ? kasan_check_read+0x11/0x20 [ 733.069849] ? find_held_lock+0x36/0x1c0 [ 733.074857] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 733.078915] ? __run_timers+0x7da/0xc70 [ 733.083924] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 733.083953] ? rcu_bh_qs+0xc0/0xc0 [ 733.088023] ? _raw_spin_unlock_irq+0x27/0x80 [ 733.092073] ? trace_hardirqs_on+0xbd/0x310 [ 733.096130] ? _raw_spin_unlock_irq+0x27/0x80 [ 733.100793] ? kasan_check_read+0x11/0x20 [ 733.104929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 733.108723] ? __free_object+0x173/0x340 [ 733.112701] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 733.117743] ? filemap_map_pages+0xdea/0x1980 [ 733.122314] ? trace_hardirqs_on+0xbd/0x310 [ 733.126114] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 733.130079] ? kasan_check_read+0x11/0x20 [ 733.130097] ? __run_timers+0x7da/0xc70 [ 733.134162] ? __free_object+0x173/0x340 [ 733.138820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 733.143482] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 733.148488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 733.152645] ? debug_object_free+0x325/0x690 [ 733.158432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 733.163960] ? find_get_pages_range_tag+0x1320/0x1320 [ 733.168096] __run_timers+0x7e5/0xc70 [ 733.172150] ? graph_lock+0x170/0x170 [ 733.177429] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 733.181821] ? kasan_check_read+0x11/0x20 [ 733.185621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 733.189590] ? debug_object_destroy+0x2b0/0x2b0 [ 733.193688] ? graph_lock+0x170/0x170 [ 733.198194] ? lock_acquire+0x1ed/0x520 [ 733.201976] ? enqueue_hrtimer+0x1a5/0x560 [ 733.206460] ? ext4_filemap_fault+0x7a/0xad [ 733.210249] ? lock_release+0x970/0x970 [ 733.214479] ? lock_release+0x970/0x970 [ 733.219574] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 733.223281] ? arch_local_save_flags+0x40/0x40 [ 733.227811] ? find_held_lock+0x36/0x1c0 [ 733.233085] ? futex_wait_setup+0x3e0/0x3e0 [ 733.238627] ? graph_lock+0x170/0x170 [ 733.242967] ? down_read+0xb0/0x1d0 [ 733.247357] ? pvclock_read_flags+0x160/0x160 [ 733.251495] ? ext4_filemap_fault+0x7a/0xad [ 733.255638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.255657] ? check_preemption_disabled+0x48/0x280 [ 733.261188] ? __down_interruptible+0x700/0x700 [ 733.265506] ? __lock_is_held+0xb5/0x140 [ 733.270953] ext4_filemap_fault+0x82/0xad [ 733.276729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.282171] __do_fault+0x100/0x6b0 [ 733.286325] ? check_preemption_disabled+0x48/0x280 [ 733.290722] ? print_bad_pte+0x6c0/0x6c0 [ 733.295996] run_timer_softirq+0x52/0xb0 [ 733.300044] ? do_futex+0x249/0x26d0 [ 733.304710] ? rcu_read_lock_sched_held+0x108/0x120 [ 733.308585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.314109] __do_softirq+0x30c/0xb03 [ 733.318384] ? check_preemption_disabled+0x48/0x280 [ 733.323397] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 733.327633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.331683] ? pvclock_read_flags+0x160/0x160 [ 733.335571] ? pmd_val+0x88/0x100 [ 733.340237] ? lapic_next_event+0x5a/0x90 [ 733.344463] ? add_mm_counter_fast+0xd0/0xd0 [ 733.350278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.354327] ? pmd_val+0x88/0x100 [ 733.358480] ? check_preemption_disabled+0x48/0x280 [ 733.362529] ? add_mm_counter_fast+0xd0/0xd0 [ 733.367796] ? check_preemption_disabled+0x48/0x280 [ 733.371771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.376866] ? kvm_clock_read+0x18/0x30 [ 733.380399] __handle_mm_fault+0x3709/0x53e0 [ 733.384884] ? kvm_sched_clock_read+0x9/0x20 [ 733.389199] ? debug_smp_processor_id+0x1c/0x20 [ 733.393687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.397830] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 733.402056] ? check_preemption_disabled+0x48/0x280 [ 733.406103] ? graph_lock+0x170/0x170 [ 733.410708] irq_exit+0x17f/0x1c0 [ 733.415188] ? print_usage_bug+0xc0/0xc0 [ 733.419499] smp_apic_timer_interrupt+0x1cb/0x760 [ 733.424592] ? should_fail+0xaf/0xd01 [ 733.428748] ? smp_reschedule_interrupt+0x109/0x650 [ 733.432712] ? graph_lock+0x170/0x170 [ 733.436766] ? smp_call_function_single_interrupt+0x650/0x650 [ 733.442219] ? graph_lock+0x170/0x170 [ 733.447487] ? interrupt_entry+0xb5/0xf0 [ 733.451725] ? handle_mm_fault+0x42a/0xc70 [ 733.456109] ? trace_hardirqs_off_caller+0xbb/0x310 [ 733.460333] ? lock_downgrade+0x900/0x900 [ 733.465516] ? trace_hardirqs_off_caller+0xbb/0x310 [ 733.469306] ? check_preemption_disabled+0x48/0x280 [ 733.473099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.478452] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 733.482590] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.487615] ? kasan_check_read+0x11/0x20 [ 733.492291] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.496082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 733.500091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.504314] ? rcu_bh_qs+0xc0/0xc0 [ 733.508646] ? check_preemption_disabled+0x48/0x280 [ 733.508663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.512651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 733.516626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.521808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.526385] apic_timer_interrupt+0xf/0x20 [ 733.530435] ? check_preemption_disabled+0x48/0x280 [ 733.534739] [ 733.538542] handle_mm_fault+0x54f/0xc70 [ 733.542158] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 733.546649] ? __handle_mm_fault+0x53e0/0x53e0 [ 733.550961] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 733.556488] ? find_vma+0x34/0x190 [ 733.561485] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 733.566164] __do_page_fault+0x67d/0xed0 [ 733.570207] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 733.574358] ? mm_fault_error+0x380/0x380 [ 733.579877] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 733.583496] ? trace_hardirqs_off+0xb8/0x310 [ 733.588500] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 733.592558] ? trace_hardirqs_on+0x310/0x310 [ 733.596613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 733.600330] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 733.605332] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 733.610867] ? trace_hardirqs_on+0x310/0x310 [ 733.614695] skb_clone+0x1bb/0x500 [ 733.619670] do_page_fault+0xf2/0x7e0 [ 733.624781] ? skb_split+0x11e0/0x11e0 [ 733.629526] ? vmalloc_sync_all+0x30/0x30 [ 733.634014] ? preempt_notifier_register+0x200/0x200 [ 733.637459] ? error_entry+0x70/0xd0 [ 733.641613] ? __switch_to_asm+0x34/0x70 [ 733.646018] ? trace_hardirqs_off_caller+0xbb/0x310 [ 733.651547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.654986] ? trace_hardirqs_on_caller+0xc0/0x310 [ 733.659994] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.664451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 733.669477] bpf_clone_redirect+0xb9/0x490 [ 733.674997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.678972] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 733.683360] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.687788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 733.692440] ? trace_hardirqs_off+0x310/0x310 [ 733.697992] ? find_held_lock+0x36/0x1c0 [ 733.702828] ? prepare_exit_to_usermode+0x291/0x3b0 [ 733.707837] ? lock_acquire+0x1ed/0x520 [ 733.711636] ? page_fault+0x8/0x30 [ 733.715079] ? bpf_test_run+0x3cb/0x780 [ 733.719138] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.723971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.727761] ? page_fault+0x8/0x30 [ 733.732776] ? check_preemption_disabled+0x48/0x280 [ 733.736563] page_fault+0x1e/0x30 [ 733.742460] ? kasan_check_read+0x11/0x20 [ 733.746246] RIP: 0033:0x45ddf3 [ 733.750302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 733.754521] Code: Bad RIP value. [ 733.759530] ? rcu_bh_qs+0xc0/0xc0 [ 733.763663] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 733.768713] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 733.779300] ? bpf_test_run+0x25d/0x780 [ 733.785077] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 733.790104] ? netlink_diag_dump+0x2a0/0x2a0 [ 733.794229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 733.799255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.804515] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 733.810046] ? bpf_test_init.isra.10+0x70/0x100 [ 733.813574] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 733.818585] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 733.824098] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 733.824144] rcu: rcu_preempt kthread starved for 10654 jiffies! g99961 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 733.829570] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 733.834379] rcu: RCU grace-period kthread stack dump: [ 733.834391] rcu_preempt R [ 733.839925] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 733.839944] ? fput+0x130/0x1a0 [ 733.844156] running task 22872 10 2 0x80000000 [ 733.849183] ? __bpf_prog_get+0x9b/0x290 [ 733.851401] Call Trace: [ 733.855474] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 733.860399] __schedule+0x86c/0x1ed0 [ 733.864970] ? bpf_prog_test_run+0x130/0x1a0 [ 733.883877] ? __sched_text_start+0x8/0x8 [ 733.887411] ? __x64_sys_bpf+0x3d8/0x520 [ 733.895116] ? __mod_timer+0x6f6/0x1870 [ 733.895144] ? add_timer_on+0x9f0/0x9f0 [ 733.899197] ? bpf_prog_get+0x20/0x20 [ 733.906468] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 733.910632] ? do_syscall_64+0x1b9/0x820 [ 733.917883] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 733.922275] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 733.922294] ? syscall_return_slowpath+0x5e0/0x5e0 [ 733.929577] ? trace_hardirqs_on+0xbd/0x310 [ 733.933982] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.941253] ? kasan_check_read+0x11/0x20 [ 733.946618] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 733.953914] ? prepare_to_swait_event+0x25a/0x800 [ 733.958311] ? recalc_sigpending_tsk+0x180/0x180 [ 733.961843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 733.965650] ? kasan_check_write+0x14/0x20 [ 733.969530] schedule+0xfe/0x460 [ 733.973693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.978783] ? __schedule+0x1ed0/0x1ed0 [ 733.982494] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 733.986558] ? prepare_to_swait_event+0x25a/0x800 [ 733.991670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 733.996316] ? __init_swait_queue_head+0x150/0x150 [ 734.001337] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 734.005985] ? __lockdep_init_map+0x105/0x590 [ 734.010894] syz-executor4 cpuset= [ 734.015146] ? lockdep_init_map+0x9/0x10 [ 734.019972] syz4 [ 734.024995] schedule_timeout+0x140/0x260 [ 734.029997] mems_allowed=0 [ 734.034749] ? usleep_range+0x1a0/0x1a0 [ 734.039235] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 734.043290] ? __next_timer_interrupt+0x1a0/0x1a0 [ 734.048285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.052258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.055778] Call Trace: [ 734.059761] rcu_gp_kthread+0x9d9/0x2310 [ 734.064597] [ 734.070172] ? rcu_gp_init+0x1830/0x1830 [ 734.073688] dump_stack+0x1c4/0x2b6 [ 734.078690] ? update_curr+0x344/0xbe0 [ 734.082138] ? dump_stack_print_info.cold.1+0x20/0x20 [ 734.086292] ? print_usage_bug+0xc0/0xc0 [ 734.089497] warn_alloc.cold.119+0xb7/0x1bd [ 734.094762] ? __account_cfs_rq_runtime+0x790/0x790 [ 734.098136] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 734.101669] ? graph_lock+0x170/0x170 [ 734.107020] ? lock_downgrade+0x900/0x900 [ 734.112198] ? graph_lock+0x170/0x170 [ 734.116172] ? trace_hardirqs_off+0xb8/0x310 [ 734.123905] ? __lock_acquire+0x7ec/0x4ec0 [ 734.128304] ? trace_hardirqs_off+0xb8/0x310 [ 734.135566] ? __lock_is_held+0xb5/0x140 [ 734.141100] __alloc_pages_slowpath+0x265e/0x2d70 [ 734.148386] ? update_curr+0x344/0xbe0 [ 734.153079] ? warn_alloc+0x120/0x120 [ 734.160359] ? rcu_pm_notify+0xc0/0xc0 [ 734.165126] ? trace_hardirqs_on+0x310/0x310 [ 734.172382] ? __account_cfs_rq_runtime+0x790/0x790 [ 734.182880] ? warn_alloc+0x120/0x120 [ 734.187722] ? mark_held_locks+0x130/0x130 [ 734.192906] ? print_usage_bug+0xc0/0xc0 [ 734.196002] ? rcu_read_lock_sched_held+0x108/0x120 [ 734.201528] ? warn_alloc+0x120/0x120 [ 734.204801] ? rcu_note_context_switch+0x14b6/0x26b0 [ 734.210501] ? ktime_get+0x2e1/0x440 [ 734.214557] ? set_next_entity+0x2f0/0xaf0 [ 734.217152] ? print_usage_bug+0xc0/0xc0 [ 734.222050] ? rcu_read_lock_sched_held+0x108/0x120 [ 734.225762] ? __lock_acquire+0x7ec/0x4ec0 [ 734.230167] ? pick_next_entity+0x197/0x390 [ 734.234319] ? __lock_acquire+0x7ec/0x4ec0 [ 734.238377] ? register_lock_class+0xd91/0x29b0 [ 734.242346] ? kasan_check_read+0x11/0x20 [ 734.246309] ? graph_lock+0x170/0x170 [ 734.250125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.255221] ? run_rebalance_domains+0x500/0x500 [ 734.259264] ? should_fail+0x22d/0xd01 [ 734.264357] ? __update_load_avg_cfs_rq+0x430/0x9b0 [ 734.269714] ? rcu_bh_qs+0xc0/0xc0 [ 734.274648] ? register_lock_class+0xd90/0x29b0 [ 734.278965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 734.283983] ? mark_held_locks+0x130/0x130 [ 734.288110] ? __lock_acquire+0x7ec/0x4ec0 [ 734.293130] ? __schedule+0x150b/0x1ed0 [ 734.297986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 734.302735] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.308169] ? __lock_acquire+0x7ec/0x4ec0 [ 734.308186] ? should_fail+0x22d/0xd01 [ 734.312414] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.315797] ? rcu_idle_enter+0x4b0/0x4b0 [ 734.320638] ? lockdep_hardirqs_on+0x421/0x5c0 [ 734.324615] ? mark_held_locks+0x130/0x130 [ 734.329970] ? trace_hardirqs_on+0xbd/0x310 [ 734.334800] ? mark_held_locks+0x130/0x130 [ 734.341285] ? kasan_check_read+0x11/0x20 [ 734.346200] ? mark_held_locks+0xc7/0x130 [ 734.356678] ? __schedule+0x150b/0x1ed0 [ 734.361172] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 734.364628] ? lock_repin_lock+0x430/0x430 [ 734.368672] ? graph_lock+0x170/0x170 [ 734.370663] ? __schedule+0x150b/0x1ed0 [ 734.374793] ? print_usage_bug+0xc0/0xc0 [ 734.377738] ? __switch_to_asm+0x40/0x70 [ 734.381705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.388971] ? __switch_to_asm+0x40/0x70 [ 734.393810] ? check_preemption_disabled+0x48/0x280 [ 734.403158] ? graph_lock+0x170/0x170 [ 734.408686] ? check_preemption_disabled+0x48/0x280 [ 734.411261] ? __sched_text_start+0x8/0x8 [ 734.415318] ? __lock_is_held+0xb5/0x140 [ 734.417458] ? find_held_lock+0x36/0x1c0 [ 734.421508] __alloc_pages_nodemask+0xa80/0xde0 [ 734.425139] ? __kthread_parkme+0xce/0x1a0 [ 734.429011] ? graph_lock+0x170/0x170 [ 734.434204] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 734.438258] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 734.442591] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 734.447619] ? graph_lock+0x170/0x170 [ 734.452472] ? lockdep_hardirqs_on+0x421/0x5c0 [ 734.456271] ? find_held_lock+0x36/0x1c0 [ 734.460404] ? trace_hardirqs_on+0xbd/0x310 [ 734.464203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 734.468596] ? kasan_check_read+0x11/0x20 [ 734.472832] ? lock_downgrade+0x900/0x900 [ 734.477232] ? __kthread_parkme+0xce/0x1a0 [ 734.481290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.486119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 734.490011] cache_grow_begin+0x91/0x8c0 [ 734.493799] ? kasan_check_write+0x14/0x20 [ 734.497686] ? do_raw_spin_unlock+0xa7/0x330 [ 734.502090] ? do_raw_spin_lock+0xc1/0x230 [ 734.507099] fallback_alloc+0x203/0x2e0 [ 734.510888] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 734.515116] ____cache_alloc_node+0x1c7/0x1e0 [ 734.519168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.524185] kmem_cache_alloc_node+0xe3/0x730 [ 734.527973] ? __kthread_parkme+0xfb/0x1a0 [ 734.533072] ? ipv6_get_ifaddr+0x42e/0x620 [ 734.536780] kthread+0x35a/0x420 [ 734.541009] __alloc_skb+0x119/0x770 [ 734.545056] ? rcu_gp_init+0x1830/0x1830 [ 734.550063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 734.554289] ? kthread_bind+0x40/0x40 [ 734.558604] ? skb_scrub_packet+0x490/0x490 [ 734.562848] ret_from_fork+0x3a/0x50 [ 734.567529] ? lock_downgrade+0x900/0x900 [ 734.571793] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 734.575462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.581107] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 734.585737] ? refcount_sub_and_test_checked+0x203/0x310 [ 734.589615] syz-fuzzer cpuset= [ 734.594647] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 734.598186] / [ 734.602859] ? addrconf_rs_timer+0x690/0x690 [ 734.607945] mems_allowed=0 [ 734.612186] ndisc_alloc_skb+0x144/0x340 [ 734.940170] ndisc_send_rs+0x331/0x6e0 [ 734.944085] addrconf_rs_timer+0x314/0x690 [ 734.948363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.952630] call_timer_fn+0x272/0x920 [ 734.956536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.960779] ? process_timeout+0x40/0x40 [ 734.964845] ? find_held_lock+0x36/0x1c0 [ 734.968924] ? __run_timers+0x7da/0xc70 [ 734.972907] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.977405] ? _raw_spin_unlock_irq+0x27/0x80 [ 734.981903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 734.986143] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 734.990730] ? trace_hardirqs_on+0xbd/0x310 [ 734.995059] ? kasan_check_read+0x11/0x20 [ 734.999214] ? __run_timers+0x7da/0xc70 [ 735.003197] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 735.008660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 735.012904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 735.017165] __run_timers+0x7e5/0xc70 [ 735.021001] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 735.026379] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 735.031413] ? graph_lock+0x170/0x170 [ 735.035228] ? enqueue_hrtimer+0x1a5/0x560 [ 735.039488] ? lock_release+0x970/0x970 [ 735.043481] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 735.048687] ? find_held_lock+0x36/0x1c0 [ 735.052759] ? graph_lock+0x170/0x170 [ 735.056565] ? pvclock_read_flags+0x160/0x160 [ 735.061069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.066621] ? check_preemption_disabled+0x48/0x280 [ 735.071661] ? __lock_is_held+0xb5/0x140 [ 735.075733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.081273] ? check_preemption_disabled+0x48/0x280 [ 735.086320] run_timer_softirq+0x52/0xb0 [ 735.090383] ? rcu_read_lock_sched_held+0x108/0x120 [ 735.095418] __do_softirq+0x30c/0xb03 [ 735.099240] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 735.104379] ? pvclock_read_flags+0x160/0x160 [ 735.108878] ? lapic_next_event+0x5a/0x90 [ 735.113030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.118584] ? check_preemption_disabled+0x48/0x280 [ 735.123623] ? check_preemption_disabled+0x48/0x280 [ 735.128658] ? kvm_clock_read+0x18/0x30 [ 735.132646] ? kvm_sched_clock_read+0x9/0x20 [ 735.137080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.142630] ? check_preemption_disabled+0x48/0x280 [ 735.147674] irq_exit+0x17f/0x1c0 [ 735.151139] smp_apic_timer_interrupt+0x1cb/0x760 [ 735.155984] ? smp_reschedule_interrupt+0x109/0x650 [ 735.161008] ? smp_call_function_single_interrupt+0x650/0x650 [ 735.166905] ? interrupt_entry+0xb5/0xf0 [ 735.170980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 735.176005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 735.181062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.185917] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.190938] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.195964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.201776] ? check_preemption_disabled+0x48/0x280 [ 735.206888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.212448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.217312] apic_timer_interrupt+0xf/0x20 [ 735.221559] [ 735.223810] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 735.229253] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 735.248170] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 735.255900] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 735.263185] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 735.270466] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 735.277746] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 735.285021] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 735.292390] skb_clone+0x1bb/0x500 [ 735.295968] ? skb_split+0x11e0/0x11e0 [ 735.299891] ? preempt_notifier_register+0x200/0x200 [ 735.305015] ? __switch_to_asm+0x34/0x70 [ 735.309136] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 735.313904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 735.318696] bpf_clone_redirect+0xb9/0x490 [ 735.322954] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 735.327988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 735.332761] ? find_held_lock+0x36/0x1c0 [ 735.336837] ? lock_acquire+0x1ed/0x520 [ 735.340819] ? bpf_test_run+0x3cb/0x780 [ 735.344800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.350350] ? check_preemption_disabled+0x48/0x280 [ 735.355383] ? kasan_check_read+0x11/0x20 [ 735.359547] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 735.364854] ? rcu_bh_qs+0xc0/0xc0 [ 735.368411] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 735.373635] ? bpf_test_run+0x25d/0x780 [ 735.377640] ? netlink_diag_dump+0x2a0/0x2a0 [ 735.382071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.387657] ? bpf_test_init.isra.10+0x70/0x100 [ 735.392347] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 735.397133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 735.401982] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.407556] ? fput+0x130/0x1a0 [ 735.410853] ? __bpf_prog_get+0x9b/0x290 [ 735.414926] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 735.419773] ? bpf_prog_test_run+0x130/0x1a0 [ 735.424196] ? __x64_sys_bpf+0x3d8/0x520 [ 735.428283] ? bpf_prog_get+0x20/0x20 [ 735.432129] ? do_syscall_64+0x1b9/0x820 [ 735.436199] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 735.441567] ? syscall_return_slowpath+0x5e0/0x5e0 [ 735.446508] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.451573] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 735.456614] ? recalc_sigpending_tsk+0x180/0x180 [ 735.461404] ? kasan_check_write+0x14/0x20 [ 735.465656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.470518] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 735.475913] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 735.475919] warn_alloc_show_mem: 1 callbacks suppressed [ 735.475926] Mem-Info: [ 735.482951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 735.488329] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 735.488329] active_file:13 inactive_file:34 isolated_file:0 [ 735.488329] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.488329] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 735.488329] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 735.488329] free:13625 free_pcp:139 free_cma:0 [ 735.490708] Call Trace: [ 735.500100] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 735.532958] [ 735.535537] Node 0 [ 735.563238] dump_stack+0x1c4/0x2b6 [ 735.565395] 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 [ 735.567626] ? dump_stack_print_info.cold.1+0x20/0x20 [ 735.571216] lowmem_reserve[]: 0 [ 735.596756] warn_alloc.cold.119+0xb7/0x1bd [ 735.601909] 2819 6323 [ 735.605211] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 735.609527] 6323 [ 735.612026] ? lock_downgrade+0x900/0x900 [ 735.618932] ? trace_hardirqs_off+0xb8/0x310 [ 735.623059] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 735.628224] ? trace_hardirqs_off+0xb8/0x310 [ 735.628250] __alloc_pages_slowpath+0x265e/0x2d70 [ 735.656000] lowmem_reserve[]: [ 735.660459] ? warn_alloc+0x120/0x120 [ 735.665270] 0 [ 735.668374] ? trace_hardirqs_on+0x310/0x310 [ 735.672153] 0 [ 735.673981] ? warn_alloc+0x120/0x120 [ 735.678378] 3503 [ 735.680182] ? print_usage_bug+0xc0/0xc0 [ 735.683965] 3503 [ 735.686043] ? warn_alloc+0x120/0x120 [ 735.690112] Node 0 [ 735.692178] ? ktime_get+0x2e1/0x440 [ 735.695984] Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 735.698212] ? print_usage_bug+0xc0/0xc0 [ 735.701902] lowmem_reserve[]: 0 [ 735.730293] ? __lock_acquire+0x7ec/0x4ec0 [ 735.734335] 0 [ 735.737629] ? __lock_acquire+0x7ec/0x4ec0 [ 735.741837] 0 [ 735.743654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.747867] 0 [ 735.749674] ? should_fail+0x22d/0xd01 [ 735.755193] Node 0 [ 735.756996] ? __lock_acquire+0x7ec/0x4ec0 [ 735.760855] DMA: 1*4kB [ 735.763105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.767324] (U) [ 735.769907] ? __lock_acquire+0x7ec/0x4ec0 [ 735.775002] 0*8kB 0*16kB [ 735.776993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 735.781205] 1*32kB (U) [ 735.783966] ? __lock_acquire+0x7ec/0x4ec0 [ 735.783982] ? should_fail+0x22d/0xd01 [ 735.789064] 2*64kB (U) [ 735.791682] ? mark_held_locks+0x130/0x130 [ 735.795889] 1*128kB [ 735.799772] ? mark_held_locks+0x130/0x130 [ 735.802339] (U) [ 735.806578] ? graph_lock+0x170/0x170 [ 735.808877] 1*256kB [ 735.813106] ? print_usage_bug+0xc0/0xc0 [ 735.815074] (U) [ 735.818874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.821175] 0*512kB 1*1024kB [ 735.825246] ? check_preemption_disabled+0x48/0x280 [ 735.827229] (U) [ 735.832767] ? check_preemption_disabled+0x48/0x280 [ 735.835849] 1*2048kB (M) [ 735.840889] ? __lock_is_held+0xb5/0x140 [ 735.842837] 3*4096kB (M) [ 735.847887] __alloc_pages_nodemask+0xa80/0xde0 [ 735.850628] = 15908kB [ 735.850638] Node 0 [ 735.854698] ? graph_lock+0x170/0x170 [ 735.857434] DMA32: 3*4kB [ 735.862115] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 735.864512] (M) [ 735.866746] ? graph_lock+0x170/0x170 [ 735.870534] 1*8kB [ 735.873303] ? find_held_lock+0x36/0x1c0 [ 735.878297] (M) [ 735.880283] ? ____cache_alloc_node+0x1c7/0x1e0 [ 735.884052] 3*16kB (UM) [ 735.886225] ? lock_downgrade+0x900/0x900 [ 735.890277] 3*32kB [ 735.892257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.896905] (UM) [ 735.899584] cache_grow_begin+0x91/0x8c0 [ 735.903705] 4*64kB (M) [ 735.905952] ? do_raw_spin_unlock+0xa7/0x330 [ 735.911468] 3*128kB [ 735.913533] fallback_alloc+0x203/0x2e0 [ 735.917572] (M) [ 735.920939] ____cache_alloc_node+0x1c7/0x1e0 [ 735.925329] 4*256kB [ 735.927662] kmem_cache_alloc_node+0xe3/0x730 [ 735.931630] (UM) [ 735.933619] ? ipv6_get_ifaddr+0x42e/0x620 [ 735.938092] 3*512kB [ 735.940426] __alloc_skb+0x119/0x770 [ 735.944896] (M) [ 735.946964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 735.951174] 3*1024kB (UM) [ 735.953510] ? skb_scrub_packet+0x490/0x490 [ 735.957206] 3*2048kB [ 735.959181] ? lock_downgrade+0x900/0x900 [ 735.964438] (UM) [ 735.967294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.971591] 3*4096kB (M) [ 735.974031] ? refcount_sub_and_test_checked+0x203/0x310 [ 735.978157] = 24868kB [ 735.980220] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 735.985743] Node 0 [ 735.988505] ? addrconf_rs_timer+0x690/0x690 [ 735.993934] Normal: [ 735.996358] ndisc_alloc_skb+0x144/0x340 [ 736.001781] 871*4kB [ 736.004021] ndisc_send_rs+0x331/0x6e0 [ 736.008410] (MEH) [ 736.010738] addrconf_rs_timer+0x314/0x690 [ 736.014779] 470*8kB [ 736.017108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.020990] (MEH) 180*16kB [ 736.023180] call_timer_fn+0x272/0x920 [ 736.027381] (UMEH) [ 736.029702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.033911] 61*32kB (UME) [ 736.036853] ? process_timeout+0x40/0x40 [ 736.040722] 19*64kB [ 736.042960] ? find_held_lock+0x36/0x1c0 [ 736.047172] (UMH) [ 736.050023] ? mark_held_locks+0xc7/0x130 [ 736.054062] 0*128kB [ 736.056385] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.060509] 0*256kB [ 736.062658] ? _raw_spin_unlock_irq+0x27/0x80 [ 736.066789] 0*512kB [ 736.069112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.073591] 0*1024kB 0*2048kB [ 736.075956] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 736.080429] 0*4096kB = 13292kB [ 736.082766] ? trace_hardirqs_on+0xbd/0x310 [ 736.086989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 736.090195] ? kasan_check_read+0x11/0x20 [ 736.094763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 736.097951] ? __run_timers+0x7da/0xc70 [ 736.102256] 238 total pagecache pages [ 736.111093] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.115229] 0 pages in swap cache [ 736.124254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 736.128210] Swap cache stats: add 0, delete 0, find 0/0 [ 736.132009] __run_timers+0x7e5/0xc70 [ 736.137437] Free swap = 0kB [ 736.137446] Total swap = 0kB [ 736.140913] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 736.145128] 1965979 pages RAM [ 736.150487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 736.154264] 0 pages HighMem/MovableOnly [ 736.154273] 342306 pages reserved [ 736.157290] ? graph_lock+0x170/0x170 [ 736.160302] 0 pages cma reserved [ 736.165664] ? print_usage_bug+0xc0/0xc0 [ 736.168833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 736.173758] ? enqueue_hrtimer+0x1a5/0x560 [ 736.173775] ? lock_release+0x970/0x970 [ 736.177816] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 736.181890] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 736.185674] syz-executor4 cpuset= [ 736.189057] ? find_held_lock+0x36/0x1c0 [ 736.193099] syz4 [ 736.199600] ? graph_lock+0x170/0x170 [ 736.203842] mems_allowed=0 [ 736.207811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.245148] ? check_preemption_disabled+0x48/0x280 [ 736.250185] ? __lock_is_held+0xb5/0x140 [ 736.254251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.259793] ? check_preemption_disabled+0x48/0x280 [ 736.264827] run_timer_softirq+0x52/0xb0 [ 736.268892] ? rcu_read_lock_sched_held+0x108/0x120 [ 736.273916] __do_softirq+0x30c/0xb03 [ 736.277734] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 736.282848] ? pvclock_read_flags+0x160/0x160 [ 736.287349] ? lapic_next_event+0x5a/0x90 [ 736.291856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.297419] ? check_preemption_disabled+0x48/0x280 [ 736.302443] ? check_preemption_disabled+0x48/0x280 [ 736.307477] ? kvm_clock_read+0x18/0x30 [ 736.311458] ? kvm_sched_clock_read+0x9/0x20 [ 736.315884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.321434] ? check_preemption_disabled+0x48/0x280 [ 736.326476] irq_exit+0x17f/0x1c0 [ 736.329942] smp_apic_timer_interrupt+0x1cb/0x760 [ 736.334805] ? smp_reschedule_interrupt+0x109/0x650 [ 736.339831] ? smp_call_function_single_interrupt+0x650/0x650 [ 736.345723] ? interrupt_entry+0xb5/0xf0 [ 736.349788] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.354806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 736.359913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.364761] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.369778] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.374802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.380346] ? check_preemption_disabled+0x48/0x280 [ 736.385365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.390914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.395772] apic_timer_interrupt+0xf/0x20 [ 736.400005] [ 736.402248] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 736.407462] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 736.426365] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 736.434077] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 736.441391] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 736.448664] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 736.455936] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 736.463206] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 736.470524] retint_kernel+0x1b/0x2d [ 736.474243] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 736.479522] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 736.498422] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 736.506137] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 736.513510] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 736.520780] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 736.528050] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 736.535322] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 736.542632] ? arch_local_irq_restore+0x45/0x52 [ 736.547320] dump_stack+0x26a/0x2b6 [ 736.550958] ? dump_stack_print_info.cold.1+0x20/0x20 [ 736.556154] ? mark_held_locks+0x130/0x130 [ 736.560391] ? mark_held_locks+0x130/0x130 [ 736.564649] dump_header+0x27b/0xf72 [ 736.568383] ? pagefault_out_of_memory+0x197/0x197 [ 736.573514] ? __lock_acquire+0x7ec/0x4ec0 [ 736.577764] ? print_usage_bug+0xc0/0xc0 [ 736.581836] ? graph_lock+0x170/0x170 [ 736.585645] ? graph_lock+0x170/0x170 [ 736.589450] ? print_usage_bug+0xc0/0xc0 [ 736.593530] ? print_usage_bug+0xc0/0xc0 [ 736.597616] ? print_usage_bug+0xc0/0xc0 [ 736.601702] ? find_held_lock+0x36/0x1c0 [ 736.605778] ? mark_held_locks+0xc7/0x130 [ 736.609958] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 736.615062] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 736.620199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 736.624818] ? trace_hardirqs_on+0xbd/0x310 [ 736.629144] ? kasan_check_read+0x11/0x20 [ 736.633299] ? ___ratelimit+0x36f/0x655 [ 736.637289] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.642746] ? trace_hardirqs_on+0x310/0x310 [ 736.647158] ? lock_downgrade+0x900/0x900 [ 736.651318] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 736.656424] ? ___ratelimit+0xaa/0x655 [ 736.660316] ? idr_get_free+0xec0/0xec0 [ 736.664295] ? kasan_check_write+0x14/0x20 [ 736.668536] ? do_raw_spin_lock+0xc1/0x230 [ 736.672782] oom_kill_process.cold.27+0x10/0x903 [ 736.677541] ? graph_lock+0x170/0x170 [ 736.681346] ? _raw_spin_unlock+0x2c/0x50 [ 736.685502] ? oom_badness+0xe6/0xaa0 [ 736.689315] ? oom_evaluate_task+0x540/0x540 [ 736.693731] ? find_held_lock+0x36/0x1c0 [ 736.697805] ? out_of_memory+0x974/0x1430 [ 736.701962] ? lock_downgrade+0x900/0x900 [ 736.706116] ? check_preemption_disabled+0x48/0x280 [ 736.711146] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 736.716948] ? kasan_check_read+0x11/0x20 [ 736.721100] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 736.726382] ? rcu_bh_qs+0xc0/0xc0 [ 736.729931] ? kasan_check_write+0x14/0x20 [ 736.734170] ? oom_evaluate_task+0x302/0x540 [ 736.738588] out_of_memory+0xa84/0x1430 [ 736.742593] ? oom_killer_disable+0x3a0/0x3a0 [ 736.747113] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 736.752051] ? __mutex_add_waiter+0x2a0/0x2a0 [ 736.756672] __alloc_pages_slowpath+0x230f/0x2d70 [ 736.761568] ? warn_alloc+0x120/0x120 [ 736.765389] ? __radix_tree_lookup+0x4c0/0x4c0 [ 736.769993] ? find_get_entry+0x2f2/0xc40 [ 736.774160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.779707] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 736.784650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.790196] ? should_fail+0x22d/0xd01 [ 736.794111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 736.799219] ? __lock_is_held+0xb5/0x140 [ 736.803337] ? __lock_is_held+0xb5/0x140 [ 736.807471] ? find_held_lock+0x36/0x1c0 [ 736.811550] ? ___might_sleep+0x1ed/0x300 [ 736.815697] ? lock_release+0x970/0x970 [ 736.819674] ? arch_local_save_flags+0x40/0x40 [ 736.824293] ? __might_sleep+0x95/0x190 [ 736.828274] __alloc_pages_nodemask+0xa80/0xde0 [ 736.832952] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 736.837977] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 736.843778] ? kasan_check_read+0x11/0x20 [ 736.847932] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 736.853220] ? graph_lock+0x170/0x170 [ 736.857420] ? print_usage_bug+0xc0/0xc0 [ 736.861491] ? graph_lock+0x170/0x170 [ 736.865324] ? graph_lock+0x170/0x170 [ 736.869139] ? __do_page_cache_readahead+0x7ce/0x980 [ 736.874255] ? find_held_lock+0x36/0x1c0 [ 736.878325] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 736.883870] alloc_pages_current+0x10c/0x210 [ 736.888296] ? lock_downgrade+0x900/0x900 [ 736.892453] __page_cache_alloc+0x38f/0x5b0 [ 736.896781] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 736.902578] ? kasan_check_read+0x11/0x20 [ 736.906748] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 736.912030] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 736.916714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.924934] ? check_preemption_disabled+0x48/0x280 [ 736.933110] filemap_fault+0x1594/0x25f0 [ 736.937196] ? __lock_page_or_retry+0xa00/0xa00 [ 736.941879] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 736.947689] ? kasan_check_read+0x11/0x20 [ 736.951854] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 736.957137] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 736.962254] ? rcu_bh_qs+0xc0/0xc0 [ 736.965800] ? trace_hardirqs_on+0xbd/0x310 [ 736.970137] ? kasan_check_read+0x11/0x20 [ 736.974317] ? __free_object+0x173/0x340 [ 736.978391] ? filemap_map_pages+0xdea/0x1980 [ 736.982898] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 736.988005] ? __free_object+0x173/0x340 [ 736.992089] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 736.997366] ? debug_object_free+0x325/0x690 [ 737.001783] ? find_get_pages_range_tag+0x1320/0x1320 [ 737.006985] ? graph_lock+0x170/0x170 [ 737.010797] ? kasan_check_read+0x11/0x20 [ 737.014954] ? debug_object_destroy+0x2b0/0x2b0 [ 737.019650] ? lock_acquire+0x1ed/0x520 [ 737.023654] ? ext4_filemap_fault+0x7a/0xad [ 737.027987] ? lock_release+0x970/0x970 [ 737.031963] ? arch_local_save_flags+0x40/0x40 [ 737.036552] ? futex_wait_setup+0x3e0/0x3e0 [ 737.040892] ? down_read+0xb0/0x1d0 [ 737.044518] ? ext4_filemap_fault+0x7a/0xad [ 737.048845] ? __down_interruptible+0x700/0x700 [ 737.053538] ext4_filemap_fault+0x82/0xad [ 737.057692] __do_fault+0x100/0x6b0 [ 737.061329] ? print_bad_pte+0x6c0/0x6c0 [ 737.065404] ? do_futex+0x249/0x26d0 [ 737.069126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.074672] ? check_preemption_disabled+0x48/0x280 [ 737.079693] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 737.084453] ? pmd_val+0x88/0x100 [ 737.087913] ? add_mm_counter_fast+0xd0/0xd0 [ 737.092324] ? pmd_val+0x88/0x100 [ 737.095789] ? add_mm_counter_fast+0xd0/0xd0 [ 737.100217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.105779] __handle_mm_fault+0x3709/0x53e0 [ 737.110192] ? debug_smp_processor_id+0x1c/0x20 [ 737.114874] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 737.120219] ? graph_lock+0x170/0x170 [ 737.124024] ? print_usage_bug+0xc0/0xc0 [ 737.128100] ? should_fail+0xaf/0xd01 [ 737.131908] ? graph_lock+0x170/0x170 [ 737.135707] ? graph_lock+0x170/0x170 [ 737.139555] ? handle_mm_fault+0x42a/0xc70 [ 737.143794] ? lock_downgrade+0x900/0x900 [ 737.147943] ? check_preemption_disabled+0x48/0x280 [ 737.152969] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 737.158770] ? kasan_check_read+0x11/0x20 [ 737.162921] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 737.168204] ? rcu_bh_qs+0xc0/0xc0 [ 737.171750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 737.177206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.182747] ? check_preemption_disabled+0x48/0x280 [ 737.187781] handle_mm_fault+0x54f/0xc70 [ 737.191851] ? __handle_mm_fault+0x53e0/0x53e0 [ 737.196481] ? find_vma+0x34/0x190 [ 737.200032] __do_page_fault+0x67d/0xed0 [ 737.204105] ? mm_fault_error+0x380/0x380 [ 737.208534] ? trace_hardirqs_off+0xb8/0x310 [ 737.212951] ? trace_hardirqs_on+0x310/0x310 [ 737.217364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 737.222748] ? trace_hardirqs_on+0x310/0x310 [ 737.227345] do_page_fault+0xf2/0x7e0 [ 737.231165] ? vmalloc_sync_all+0x30/0x30 [ 737.235348] ? error_entry+0x70/0xd0 [ 737.239064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 737.244084] ? trace_hardirqs_on_caller+0xc0/0x310 [ 737.249016] ? syscall_return_slowpath+0x5e0/0x5e0 [ 737.253961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.258811] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.263829] ? trace_hardirqs_off+0x310/0x310 [ 737.268347] ? prepare_exit_to_usermode+0x291/0x3b0 [ 737.273375] ? page_fault+0x8/0x30 [ 737.276920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.281769] ? page_fault+0x8/0x30 [ 737.285312] page_fault+0x1e/0x30 [ 737.288763] RIP: 0033:0x45ddf3 [ 737.291966] Code: Bad RIP value. [ 737.295327] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 737.300698] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 737.307967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 737.315235] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 737.322503] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 737.329817] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 737.337126] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 737.337205] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 737.344412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.344418] Call Trace: [ 737.344425] [ 737.344444] dump_stack+0x1c4/0x2b6 [ 737.344464] ? dump_stack_print_info.cold.1+0x20/0x20 [ 737.351042] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 737.360319] warn_alloc.cold.119+0xb7/0x1bd [ 737.362877] syz-fuzzer cpuset= [ 737.365031] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 737.368655] / [ 737.373853] ? lock_downgrade+0x900/0x900 [ 737.384058] mems_allowed=0 [ 737.388380] ? trace_hardirqs_off+0xb8/0x310 [ 737.409604] ? trace_hardirqs_off+0xb8/0x310 [ 737.414064] __alloc_pages_slowpath+0x265e/0x2d70 [ 737.418990] ? warn_alloc+0x120/0x120 [ 737.422830] ? warn_alloc+0x120/0x120 [ 737.426651] ? print_usage_bug+0xc0/0xc0 [ 737.430718] ? warn_alloc+0x120/0x120 [ 737.434523] ? print_usage_bug+0xc0/0xc0 [ 737.438601] ? __lock_acquire+0x7ec/0x4ec0 [ 737.442849] ? __lock_acquire+0x7ec/0x4ec0 [ 737.447109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.452662] ? should_fail+0x22d/0xd01 [ 737.456559] ? __lock_acquire+0x7ec/0x4ec0 [ 737.460814] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.465921] ? __lock_acquire+0x7ec/0x4ec0 [ 737.470167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 737.475271] ? __lock_acquire+0x7ec/0x4ec0 [ 737.479528] ? should_fail+0x22d/0xd01 [ 737.483444] ? mark_held_locks+0x130/0x130 [ 737.487692] ? mark_held_locks+0x130/0x130 [ 737.491941] ? graph_lock+0x170/0x170 [ 737.495744] ? print_usage_bug+0xc0/0xc0 [ 737.499895] ? wq_watchdog_touch+0x9c/0xfe [ 737.504141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.509685] ? check_preemption_disabled+0x48/0x280 [ 737.514716] ? check_preemption_disabled+0x48/0x280 [ 737.519750] ? __lock_is_held+0xb5/0x140 [ 737.523827] __alloc_pages_nodemask+0xa80/0xde0 [ 737.528518] ? graph_lock+0x170/0x170 [ 737.532327] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 737.537343] ? graph_lock+0x170/0x170 [ 737.541167] ? find_held_lock+0x36/0x1c0 [ 737.545262] ? ____cache_alloc_node+0x1c7/0x1e0 [ 737.549938] ? lock_downgrade+0x900/0x900 [ 737.554115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.559668] cache_grow_begin+0x91/0x8c0 [ 737.563742] ? do_raw_spin_unlock+0xa7/0x330 [ 737.568179] fallback_alloc+0x203/0x2e0 [ 737.572171] ____cache_alloc_node+0x1c7/0x1e0 [ 737.576679] kmem_cache_alloc_node+0xe3/0x730 [ 737.581184] ? ipv6_get_ifaddr+0x42e/0x620 [ 737.585433] __alloc_skb+0x119/0x770 [ 737.589157] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 737.594441] ? skb_scrub_packet+0x490/0x490 [ 737.598767] ? lock_downgrade+0x900/0x900 [ 737.602930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.608471] ? refcount_sub_and_test_checked+0x203/0x310 [ 737.613930] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 737.619414] ? addrconf_rs_timer+0x690/0x690 [ 737.623855] ndisc_alloc_skb+0x144/0x340 [ 737.627932] ndisc_send_rs+0x331/0x6e0 [ 737.631821] addrconf_rs_timer+0x314/0x690 [ 737.636077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 737.640343] call_timer_fn+0x272/0x920 [ 737.644234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 737.648488] ? process_timeout+0x40/0x40 [ 737.652547] ? find_held_lock+0x36/0x1c0 [ 737.656631] ? __run_timers+0x7da/0xc70 [ 737.660629] ? _raw_spin_unlock_irq+0x27/0x80 [ 737.665134] ? _raw_spin_unlock_irq+0x27/0x80 [ 737.669641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 737.673888] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 737.678477] ? trace_hardirqs_on+0xbd/0x310 [ 737.682803] ? kasan_check_read+0x11/0x20 [ 737.686954] ? __run_timers+0x7da/0xc70 [ 737.690935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 737.696403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 737.700654] __run_timers+0x7e5/0xc70 [ 737.704487] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 737.709858] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 737.714879] ? graph_lock+0x170/0x170 [ 737.718688] ? enqueue_hrtimer+0x1a5/0x560 [ 737.722923] ? lock_release+0x970/0x970 [ 737.726905] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 737.732139] ? find_held_lock+0x36/0x1c0 [ 737.736225] ? graph_lock+0x170/0x170 [ 737.740031] ? pvclock_read_flags+0x160/0x160 [ 737.744531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.750072] ? check_preemption_disabled+0x48/0x280 [ 737.755136] ? __lock_is_held+0xb5/0x140 [ 737.759204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.764744] ? check_preemption_disabled+0x48/0x280 [ 737.769772] run_timer_softirq+0x52/0xb0 [ 737.773837] ? rcu_read_lock_sched_held+0x108/0x120 [ 737.778863] __do_softirq+0x30c/0xb03 [ 737.782706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 737.787828] ? pvclock_read_flags+0x160/0x160 [ 737.792326] ? lapic_next_event+0x5a/0x90 [ 737.796493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.802035] ? check_preemption_disabled+0x48/0x280 [ 737.807053] ? check_preemption_disabled+0x48/0x280 [ 737.812082] ? kvm_clock_read+0x18/0x30 [ 737.816058] ? kvm_sched_clock_read+0x9/0x20 [ 737.820472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.826015] ? check_preemption_disabled+0x48/0x280 [ 737.831051] irq_exit+0x17f/0x1c0 [ 737.834513] smp_apic_timer_interrupt+0x1cb/0x760 [ 737.839367] ? smp_reschedule_interrupt+0x109/0x650 [ 737.844387] ? smp_call_function_single_interrupt+0x650/0x650 [ 737.850281] ? interrupt_entry+0xb5/0xf0 [ 737.854362] ? trace_hardirqs_off_caller+0xbb/0x310 [ 737.859397] ? trace_hardirqs_off_caller+0xbb/0x310 [ 737.864424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.869270] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.874287] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.879305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.884851] ? check_preemption_disabled+0x48/0x280 [ 737.889882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.895432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.900290] apic_timer_interrupt+0xf/0x20 [ 737.904524] [ 737.906770] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 737.911705] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 45 [ 737.930674] RSP: 0000:ffff8801c71e7740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 737.938392] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 737.945678] RDX: 0000000000000000 RSI: ffff8801c5bbed40 RDI: 0000000000000286 [ 737.952950] RBP: ffff8801c71e77a8 R08: ffff8801c5bbe4c0 R09: 0000000000000000 [ 737.960221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 737.967491] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 737.974820] skb_clone+0x1bb/0x500 [ 737.978371] ? skb_split+0x11e0/0x11e0 [ 737.982265] ? preempt_notifier_register+0x200/0x200 [ 737.987385] ? __switch_to_asm+0x34/0x70 [ 737.991477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 737.996240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 738.001015] bpf_clone_redirect+0xb9/0x490 [ 738.005267] bpf_prog_bebbfe2050753572+0xedf/0x1000 [ 738.010308] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 738.015076] ? find_held_lock+0x36/0x1c0 [ 738.019182] ? lock_acquire+0x1ed/0x520 [ 738.023165] ? bpf_test_run+0x3cb/0x780 [ 738.027146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.032708] ? check_preemption_disabled+0x48/0x280 [ 738.037748] ? kasan_check_read+0x11/0x20 [ 738.041902] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 738.047195] ? rcu_bh_qs+0xc0/0xc0 [ 738.050743] ? bpf_prog_bebbfe2050753572+0xe77/0x1000 [ 738.055948] ? bpf_test_run+0x25d/0x780 [ 738.059941] ? netlink_diag_dump+0x2a0/0x2a0 [ 738.064357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.069900] ? bpf_test_init.isra.10+0x70/0x100 [ 738.074583] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 738.079382] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 738.084231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 738.089772] ? fput+0x130/0x1a0 [ 738.093065] ? __bpf_prog_get+0x9b/0x290 [ 738.097156] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 738.102001] ? bpf_prog_test_run+0x130/0x1a0 [ 738.106420] ? __x64_sys_bpf+0x3d8/0x520 [ 738.110487] ? bpf_prog_get+0x20/0x20 [ 738.114350] ? do_syscall_64+0x1b9/0x820 [ 738.118668] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 738.124049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 738.128988] ? trace_hardirqs_on_caller+0x310/0x310 [ 738.134019] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 738.139039] ? recalc_sigpending_tsk+0x180/0x180 [ 738.143821] ? kasan_check_write+0x14/0x20 [ 738.148069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 738.152942] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 738.158339] CPU: 0 PID: 5417 Comm: syz-fuzzer Not tainted 4.19.0-rc8+ #133 [ 738.158345] warn_alloc_show_mem: 1 callbacks suppressed [ 738.158353] Mem-Info: [ 738.165401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 738.170775] active_anon:48718 inactive_anon:184 isolated_anon:0 [ 738.170775] active_file:13 inactive_file:34 isolated_file:0 [ 738.170775] unevictable:0 dirty:0 writeback:0 unstable:0 [ 738.170775] slab_reclaimable:9415 slab_unreclaimable:1473251 [ 738.170775] mapped:49154 shmem:190 pagetables:630 bounce:0 [ 738.170775] free:13625 free_pcp:139 free_cma:0 [ 738.173155] Call Trace: [ 738.182552] Node 0 active_anon:194872kB inactive_anon:736kB active_file:52kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:760kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 738.215423] [ 738.218007] Node 0 [ 738.245618] dump_stack+0x1c4/0x2b6 [ 738.247768] 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 [ 738.249985] ? dump_stack_print_info.cold.1+0x20/0x20 [ 738.253588] lowmem_reserve[]: [ 738.279129] warn_alloc.cold.119+0xb7/0x1bd [ 738.284292] 0 [ 738.287399] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 738.291698] 2819 [ 738.293503] ? lock_downgrade+0x900/0x900 [ 738.298323] 6323 [ 738.300391] ? trace_hardirqs_off+0xb8/0x310 [ 738.304510] 6323 [ 738.306574] ? trace_hardirqs_off+0xb8/0x310 [ 738.313030] __alloc_pages_slowpath+0x265e/0x2d70 [ 738.317414] Node 0 DMA32 free:24868kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 738.322287] ? warn_alloc+0x120/0x120 [ 738.322304] ? trace_hardirqs_on+0x310/0x310 [ 738.350060] lowmem_reserve[]: 0 [ 738.353888] ? warn_alloc+0x120/0x120 [ 738.358272] 0 [ 738.361551] ? print_usage_bug+0xc0/0xc0 [ 738.365333] 3503 [ 738.367143] ? warn_alloc+0x120/0x120 [ 738.371184] 3503 [ 738.373251] ? ktime_get+0x2e1/0x440 [ 738.379095] ? print_usage_bug+0xc0/0xc0 [ 738.382789] Node 0 Normal free:13724kB min:37352kB low:46688kB high:56024kB active_anon:192824kB inactive_anon:736kB active_file:356kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2520kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB [ 738.386886] ? __lock_acquire+0x7ec/0x4ec0 [ 738.386903] ? __lock_acquire+0x7ec/0x4ec0 [ 738.415867] lowmem_reserve[]: [ 738.420128] ? kasan_check_read+0x11/0x20 [ 738.424341] 0 [ 738.427450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.431577] 0 [ 738.433386] ? should_fail+0x22d/0xd01 [ 738.438900] 0 [ 738.440705] ? rcu_bh_qs+0xc0/0xc0 [ 738.444568] 0 [ 738.446416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 738.449936] Node 0 [ 738.451741] ? __lock_acquire+0x7ec/0x4ec0 [ 738.456820] DMA: 1*4kB [ 738.459073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 738.463284] (U) [ 738.465871] ? __lock_acquire+0x7ec/0x4ec0 [ 738.471130] 0*8kB [ 738.473102] ? should_fail+0x22d/0xd01 [ 738.477315] 0*16kB 1*32kB [ 738.479479] ? rcu_idle_enter+0x4b0/0x4b0 [ 738.483344] (U) [ 738.486194] ? mark_held_locks+0x130/0x130 [ 738.490318] 2*64kB [ 738.492298] ? mark_held_locks+0x130/0x130 [ 738.496509] (U) [ 738.498750] ? mark_held_locks+0xc7/0x130 [ 738.502958] 1*128kB (U) [ 738.504949] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 738.509073] 1*256kB (U) [ 738.511754] ? graph_lock+0x170/0x170 [ 738.516747] 0*512kB 1*1024kB [ 738.519426] ? print_usage_bug+0xc0/0xc0 [ 738.523207] (U) [ 738.526313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.530376] 1*2048kB (M) [ 738.532363] ? check_preemption_disabled+0x48/0x280 [ 738.537870] 3*4096kB (M) [ 738.540652] ? check_preemption_disabled+0x48/0x280 [ 738.545652] = 15908kB [ 738.548418] ? __lock_is_held+0xb5/0x140 [ 738.553407] Node 0 [ 738.555821] __alloc_pages_nodemask+0xa80/0xde0 [ 738.559852] DMA32: 3*4kB [ 738.562095] ? graph_lock+0x170/0x170 [ 738.566763] (M) [ 738.569522] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 738.573310] 1*8kB (M) [ 738.575310] ? graph_lock+0x170/0x170 [ 738.580310] 3*16kB [ 738.582814] ? find_held_lock+0x36/0x1c0 [ 738.586585] (UM) [ 738.588839] ? ____cache_alloc_node+0x1c7/0x1e0 [ 738.592868] 3*32kB (UM) [ 738.594944] ? lock_downgrade+0x900/0x900 [ 738.599587] 4*64kB (M) [ 738.602290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.606412] 3*128kB [ 738.609002] cache_grow_begin+0x91/0x8c0 [ 738.614519] (M) 4*256kB [ 738.616856] ? do_raw_spin_unlock+0xa7/0x330 [ 738.620894] (UM) [ 738.623571] fallback_alloc+0x203/0x2e0 [ 738.627960] 3*512kB (M) [ 738.630047] ____cache_alloc_node+0x1c7/0x1e0 [ 738.633999] 3*1024kB [ 738.636700] kmem_cache_alloc_node+0xe3/0x730 [ 738.641196] (UM) [ 738.643606] ? ipv6_get_ifaddr+0x42e/0x620 [ 738.648089] 3*2048kB [ 738.650179] __alloc_skb+0x119/0x770 [ 738.654387] (UM) [ 738.656805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 738.660498] 3*4096kB [ 738.662559] ? skb_scrub_packet+0x490/0x490 [ 738.667819] (M) [ 738.670247] ? lock_downgrade+0x900/0x900 [ 738.674550] = 24868kB [ 738.676531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.680653] Node 0 [ 738.683071] ? refcount_sub_and_test_checked+0x203/0x310 [ 738.688582] Normal: 871*4kB [ 738.690845] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 738.696273] (MEH) [ 738.699291] ? addrconf_rs_timer+0x690/0x690 [ 738.704723] 470*8kB [ 738.706883] ndisc_alloc_skb+0x144/0x340 [ 738.711261] (MEH) [ 738.713589] ndisc_send_rs+0x331/0x6e0 [ 738.717639] 180*16kB (UMEH) [ 738.719800] addrconf_rs_timer+0x314/0x690 [ 738.723663] 61*32kB (UME) [ 738.726695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.730909] 19*64kB [ 738.733766] call_timer_fn+0x272/0x920 [ 738.737965] (UMH) [ 738.740287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.744148] 0*128kB 0*256kB [ 738.746310] ? process_timeout+0x40/0x40 [ 738.750524] 0*512kB [ 738.753535] ? find_held_lock+0x36/0x1c0 [ 738.753559] ? mark_held_locks+0xc7/0x130 [ 738.757596] 0*1024kB [ 738.759932] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.763970] 0*2048kB 0*4096kB [ 738.768129] ? _raw_spin_unlock_irq+0x27/0x80 [ 738.770524] = 13292kB [ 738.775020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.778198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 738.782687] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 738.785081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 738.789311] ? trace_hardirqs_on+0xbd/0x310 [ 738.798131] 238 total pagecache pages [ 738.802717] ? kasan_check_read+0x11/0x20 [ 738.811276] 0 pages in swap cache [ 738.815594] ? __run_timers+0x7da/0xc70 [ 738.819389] Swap cache stats: add 0, delete 0, find 0/0 [ 738.823536] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 738.826967] Free swap = 0kB [ 738.830942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.836277] Total swap = 0kB [ 738.836286] 1965979 pages RAM [ 738.841740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 738.844733] 0 pages HighMem/MovableOnly [ 738.844743] 342306 pages reserved [ 738.848978] __run_timers+0x7e5/0xc70 [ 738.851975] 0 pages cma reserved [ 738.855097] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 738.859402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 738.863272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 738.866777] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 738.870509] ? graph_lock+0x170/0x170 [ 738.873858] syz-executor4 cpuset= [ 738.879222] ? print_usage_bug+0xc0/0xc0 [ 738.885695] syz4 [ 738.890749] ? enqueue_hrtimer+0x1a5/0x560 [ 738.901223] mems_allowed=0 [ 738.905509] ? lock_release+0x970/0x970 [ 738.926683] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 738.931885] ? find_held_lock+0x36/0x1c0 [ 738.935953] ? graph_lock+0x170/0x170 [ 738.939769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.945313] ? check_preemption_disabled+0x48/0x280 [ 738.950361] ? __lock_is_held+0xb5/0x140 [ 738.954451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.960004] ? check_preemption_disabled+0x48/0x280 [ 738.965033] run_timer_softirq+0x52/0xb0 [ 738.969103] ? rcu_read_lock_sched_held+0x108/0x120 [ 738.974129] __do_softirq+0x30c/0xb03 [ 738.977961] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 738.983080] ? pvclock_read_flags+0x160/0x160 [ 738.987580] ? lapic_next_event+0x5a/0x90 [ 738.991775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.997321] ? check_preemption_disabled+0x48/0x280 [ 739.002341] ? check_preemption_disabled+0x48/0x280 [ 739.007367] ? kvm_clock_read+0x18/0x30 [ 739.011344] ? kvm_sched_clock_read+0x9/0x20 [ 739.015759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.021314] ? check_preemption_disabled+0x48/0x280 [ 739.026349] irq_exit+0x17f/0x1c0 [ 739.029811] smp_apic_timer_interrupt+0x1cb/0x760 [ 739.034659] ? smp_reschedule_interrupt+0x109/0x650 [ 739.039695] ? smp_call_function_single_interrupt+0x650/0x650 [ 739.045587] ? interrupt_entry+0xb5/0xf0 [ 739.049672] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.054693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.059716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.064566] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.069645] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.074716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.080262] ? check_preemption_disabled+0x48/0x280 [ 739.085278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.090825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.095682] apic_timer_interrupt+0xf/0x20 [ 739.099917] [ 739.102157] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 739.107353] Code: 00 e8 c7 b0 a2 f9 e8 52 25 d2 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d c4 5e 7f 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 d9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d 9a 5e [ 739.126748] RSP: 0000:ffff8801bb286150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 739.134462] RAX: 1ffffffff1263e43 RBX: 0000000000000000 RCX: 1ffff1003b15e9ee [ 739.141749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8af4efc [ 739.149021] RBP: ffff8801bb286178 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 739.156479] R10: 0000000000000000 R11: ffff8801d8af4680 R12: dffffc0000000000 [ 739.163756] R13: fffffbfff1263e42 R14: ffffffff8931f218 R15: ffffffff8931f210 [ 739.171107] retint_kernel+0x1b/0x2d [ 739.174833] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 739.180115] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 85 14 fa 48 83 3d 19 86 85 01 00 75 07 e8 9a 40 d2 f9 0f 0b e8 93 40 d2 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 81 40 d2 f9 48 c7 c2 80 9e a5 8b 4c 89 [ 739.199041] RSP: 0000:ffff8801bb286238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 739.206760] RAX: ffff8801d8af4680 RBX: 0000000000000293 RCX: 1ffff1003b15e9ee [ 739.214029] RDX: 0000000000000000 RSI: ffffffff87ac6bfd RDI: 0000000000000293 [ 739.221303] RBP: ffff8801bb286240 R08: ffff8801d8af4f70 R09: 0000000000000006 [ 739.228705] R10: 0000000000000000 R11: ffff8801d8af4680 R12: 0000000000000293 [ 739.235976] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200 [ 739.243281] ? arch_local_irq_restore+0x45/0x52 [ 739.247967] dump_stack+0x26a/0x2b6 [ 739.251602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 739.256820] ? mark_held_locks+0x130/0x130 [ 739.261059] ? mark_held_locks+0x130/0x130 [ 739.265304] dump_header+0x27b/0xf72 [ 739.269034] ? pagefault_out_of_memory+0x197/0x197 [ 739.273974] ? __lock_acquire+0x7ec/0x4ec0 [ 739.278217] ? print_usage_bug+0xc0/0xc0 [ 739.282290] ? graph_lock+0x170/0x170 [ 739.286102] ? graph_lock+0x170/0x170 [ 739.289907] ? print_usage_bug+0xc0/0xc0 [ 739.293982] ? print_usage_bug+0xc0/0xc0 [ 739.298057] ? print_usage_bug+0xc0/0xc0 [ 739.302138] ? find_held_lock+0x36/0x1c0 [ 739.306215] ? mark_held_locks+0xc7/0x130 [ 739.310390] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.315514] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.320632] ? lockdep_hardirqs_on+0x421/0x5c0 [ 739.325222] ? trace_hardirqs_on+0xbd/0x310 [ 739.329574] ? kasan_check_read+0x11/0x20 [ 739.333748] ? ___ratelimit+0x36f/0x655 [ 739.337727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.343179] ? trace_hardirqs_on+0x310/0x310 [ 739.347601] ? lock_downgrade+0x900/0x900 [ 739.351782] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 739.356888] ? ___ratelimit+0xaa/0x655 [ 739.360784] ? idr_get_free+0xec0/0xec0 [ 739.364769] ? kasan_check_write+0x14/0x20 [ 739.369011] ? do_raw_spin_lock+0xc1/0x230 [ 739.373257] oom_kill_process.cold.27+0x10/0x903 [ 739.378017] ? graph_lock+0x170/0x170 [ 739.381821] ? _raw_spin_unlock+0x2c/0x50 [ 739.385980] ? oom_badness+0xe6/0xaa0 [ 739.389790] ? oom_evaluate_task+0x540/0x540 [ 739.394208] ? find_held_lock+0x36/0x1c0 [ 739.398280] ? out_of_memory+0x974/0x1430 [ 739.402433] ? lock_downgrade+0x900/0x900 [ 739.406589] ? check_preemption_disabled+0x48/0x280 [ 739.411646] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 739.417452] ? kasan_check_read+0x11/0x20 [ 739.421604] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.426929] ? rcu_bh_qs+0xc0/0xc0 [ 739.430476] ? kasan_check_write+0x14/0x20 [ 739.434716] ? oom_evaluate_task+0x302/0x540 [ 739.439144] out_of_memory+0xa84/0x1430 [ 739.443149] ? oom_killer_disable+0x3a0/0x3a0 [ 739.447706] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 739.452653] ? __mutex_add_waiter+0x2a0/0x2a0 [ 739.457170] __alloc_pages_slowpath+0x230f/0x2d70 [ 739.462065] ? warn_alloc+0x120/0x120 [ 739.465867] ? __radix_tree_lookup+0x4c0/0x4c0 [ 739.470469] ? find_get_entry+0x2f2/0xc40 [ 739.474648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.480196] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 739.485134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.490677] ? should_fail+0x22d/0xd01 [ 739.494577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 739.499699] ? __lock_is_held+0xb5/0x140 [ 739.503797] ? __lock_is_held+0xb5/0x140 [ 739.507874] ? find_held_lock+0x36/0x1c0 [ 739.511947] ? ___might_sleep+0x1ed/0x300 [ 739.516099] ? lock_release+0x970/0x970 [ 739.520080] ? arch_local_save_flags+0x40/0x40 [ 739.524694] ? __might_sleep+0x95/0x190 [ 739.528690] __alloc_pages_nodemask+0xa80/0xde0 [ 739.533372] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 739.538398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 739.544208] ? kasan_check_read+0x11/0x20 [ 739.548371] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.553672] ? graph_lock+0x170/0x170 [ 739.557475] ? print_usage_bug+0xc0/0xc0 [ 739.561546] ? graph_lock+0x170/0x170 [ 739.565352] ? graph_lock+0x170/0x170 [ 739.569158] ? __do_page_cache_readahead+0x7ce/0x980 [ 739.574297] ? find_held_lock+0x36/0x1c0 [ 739.578367] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 739.583931] alloc_pages_current+0x10c/0x210 [ 739.588349] ? lock_downgrade+0x900/0x900 [ 739.592521] __page_cache_alloc+0x38f/0x5b0 [ 739.596848] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 739.602663] ? kasan_check_read+0x11/0x20 [ 739.606837] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.612120] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 739.616795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.622336] ? check_preemption_disabled+0x48/0x280 [ 739.627364] filemap_fault+0x1594/0x25f0 [ 739.631449] ? __lock_page_or_retry+0xa00/0xa00 [ 739.636133] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 739.641947] ? kasan_check_read+0x11/0x20 [ 739.646101] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.651386] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 739.656495] ? rcu_bh_qs+0xc0/0xc0 [ 739.660087] ? trace_hardirqs_on+0xbd/0x310 [ 739.664422] ? kasan_check_read+0x11/0x20 [ 739.668575] ? __free_object+0x173/0x340 [ 739.673181] ? filemap_map_pages+0xdea/0x1980 [ 739.677691] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 739.682804] ? __free_object+0x173/0x340 [ 739.686872] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 739.692150] ? debug_object_free+0x325/0x690 [ 739.696566] ? find_get_pages_range_tag+0x1320/0x1320 [ 739.701768] ? graph_lock+0x170/0x170 [ 739.705579] ? kasan_check_read+0x11/0x20 [ 739.709774] ? debug_object_destroy+0x2b0/0x2b0 [ 739.714463] ? lock_acquire+0x1ed/0x520 [ 739.718447] ? ext4_filemap_fault+0x7a/0xad [ 739.722779] ? lock_release+0x970/0x970 [ 739.726774] ? arch_local_save_flags+0x40/0x40 [ 739.731367] ? futex_wait_setup+0x3e0/0x3e0 [ 739.735740] ? down_read+0xb0/0x1d0 [ 739.739377] ? ext4_filemap_fault+0x7a/0xad [ 739.743704] ? __down_interruptible+0x700/0x700 [ 739.748399] ext4_filemap_fault+0x82/0xad [ 739.752557] __do_fault+0x100/0x6b0 [ 739.756194] ? print_bad_pte+0x6c0/0x6c0 [ 739.760260] ? do_futex+0x249/0x26d0 [ 739.763977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.769522] ? check_preemption_disabled+0x48/0x280 [ 739.774546] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 739.779308] ? pmd_val+0x88/0x100 [ 739.782774] ? add_mm_counter_fast+0xd0/0xd0 [ 739.787183] ? pmd_val+0x88/0x100 [ 739.790648] ? add_mm_counter_fast+0xd0/0xd0 [ 739.795077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.800643] __handle_mm_fault+0x3709/0x53e0 [ 739.805061] ? debug_smp_processor_id+0x1c/0x20 [ 739.809780] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 739.814643] ? graph_lock+0x170/0x170 [ 739.818466] ? print_usage_bug+0xc0/0xc0 [ 739.822529] ? should_fail+0xaf/0xd01 [ 739.826335] ? graph_lock+0x170/0x170 [ 739.830138] ? graph_lock+0x170/0x170 [ 739.833966] ? handle_mm_fault+0x42a/0xc70 [ 739.838208] ? lock_downgrade+0x900/0x900 [ 739.842360] ? check_preemption_disabled+0x48/0x280 [ 739.847386] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 739.853187] ? kasan_check_read+0x11/0x20 [ 739.857345] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.862640] ? rcu_bh_qs+0xc0/0xc0 [ 739.866186] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.871658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.877200] ? check_preemption_disabled+0x48/0x280 [ 739.882233] handle_mm_fault+0x54f/0xc70 [ 739.886304] ? __handle_mm_fault+0x53e0/0x53e0 [ 739.890899] ? find_vma+0x34/0x190 [ 739.894453] __do_page_fault+0x67d/0xed0 [ 739.898533] ? mm_fault_error+0x380/0x380 [ 739.902685] ? trace_hardirqs_off+0xb8/0x310 [ 739.907109] ? trace_hardirqs_on+0x310/0x310 [ 739.911522] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.916902] ? trace_hardirqs_on+0x310/0x310 [ 739.921671] do_page_fault+0xf2/0x7e0 [ 739.925480] ? vmalloc_sync_all+0x30/0x30 [ 739.929644] ? error_entry+0x70/0xd0 [ 739.933366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 739.938386] ? trace_hardirqs_on_caller+0xc0/0x310 [ 739.943324] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.948254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.953106] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.958136] ? trace_hardirqs_off+0x310/0x310 [ 739.963427] ? prepare_exit_to_usermode+0x291/0x3b0 [ 739.968447] ? page_fault+0x8/0x30 [ 739.971993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.976846] ? page_fault+0x8/0x30 [ 739.980398] page_fault+0x1e/0x30 [ 739.983858] RIP: 0033:0x45ddf3 [ 739.987064] Code: Bad RIP value. [ 739.990437] RSP: 002b:000000c42001f6a0 EFLAGS: 00010202 [ 739.995811] RAX: ffffffffffffff92 RBX: 000000003b8fdc6b RCX: 000000000045ddf3 [ 740.003082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 740.010376] RBP: 000000c42001f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 740.017658] R10: 000000c42001f6d8 R11: 0000000000000202 R12: 0000000000000001 [ 740.024947] R13: 000000c428f384e0 R14: 0000000000000001 R15: 0000000000000000 [ 740.032257] CPU: 1 PID: 5721 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #133 [ 740.032341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 740.039547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.039553] Call Trace: [ 740.039561] [ 740.039586] dump_stack+0x1c4/0x2b6 [ 740.039620] ? dump_stack_print_info.cold.1+0x20/0x20 [ 740.046175] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 740.055508] warn_alloc.cold.119+0xb7/0x1bd [ 740.058064] syz-fuzzer cpuset= [ 740.060218] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 740.063824] / [ 740.069015] ? lock_downgrade+0x900/0x900 [ 740.079227] mems_allowed=0 [ 740.083555] ? trace_hardirqs_off+0xb8/0x310 [ 740.104732] ? trace_hardirqs_off+0xb8/0x310 [ 740.109163] __alloc_pages_slowpath+0x265e/0x2d70 [ 740.114053] ? warn_alloc+0x120/0x120 [ 740.117867] ? graph_lock+0x170/0x170 [ 740.122120] ? warn_alloc+0x120/0x120 [ 740.125938] ? print_usage_bug+0xc0/0xc0 [ 740.130008] ? warn_alloc+0x120/0x120 [ 740.133816] ? print_usage_bug+0xc0/0xc0 [ 740.137886] ? __lock_acquire+0x7ec/0x4ec0 [ 740.142132] ? __lock_acquire+0x7ec/0x4ec0 [ 740.146381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.151927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.157476] ? should_fail+0x22d/0xd01 [ 740.161378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.166488] ? __lock_acquire+0x7ec/0x4ec0 [ 740.170734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 740.175842] ? __lock_acquire+0x7ec/0x4ec0 [ 740.180080] ? should_fail+0x22d/0xd01 [ 740.183982] ? mark_held_locks+0x130/0x130 [ 740.188227] ? mark_held_locks+0x130/0x130 [ 740.192468] ? graph_lock+0x170/0x170 [ 740.196276] ? print_usage_bug+0xc0/0xc0 [ 740.200345] ? graph_lock+0x170/0x170 [ 740.204158] ? print_usage_bug+0xc0/0xc0 [ 740.208224] ? wq_watchdog_touch+0x9c/0xfe [ 740.212466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.218011] ? check_preemption_disabled+0x48/0x280 [ 740.223031] ? check_preemption_disabled+0x48/0x280 [ 740.228066] ? __lock_is_held+0xb5/0x140 [ 740.232147] __alloc_pages_nodemask+0xa80/0xde0 [ 740.236826] ? graph_lock+0x170/0x170 [ 740.240644] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 740.245669] ? graph_lock+0x170/0x170 [ 740.249490] ? find_held_lock+0x36/0x1c0 [ 740.253568] ? ____cache_alloc_node+0x1c7/0x1e0 [ 740.258243] ? lock_downgrade+0x900/0x900 [ 740.262409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.267961] cache_grow_begin+0x91/0x8c0 [ 740.272033] ? do_raw_spin_unlock+0xa7/0x330 [ 740.276464] fallback_alloc+0x203/0x2e0 [ 740.280459] ____cache_alloc_node+0x1c7/0x1e0 [ 740.284982] kmem_cache_alloc_node+0xe3/0x730 [ 740.289489] ? ipv6_get_ifaddr+0x42e/0x620 [ 740.293746] __alloc_skb+0x119/0x770 [ 740.297470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 740.302765] ? skb_scrub_packet+0x490/0x490 [ 740.307096] ? lock_downgrade+0x900/0x900 [ 740.311269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.316837] ? refcount_sub_and_test_checked+0x203/0x310 [ 740.322308] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 740.327770] ? addrconf_rs_timer+0x690/0x690 [ 740.332202] ndisc_alloc_skb+0x144/0x340 [ 740.336283] ndisc_send_rs+0x331/0x6e0 [ 740.340186] addrconf_rs_timer+0x314/0x690 [ 740.344441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 740.348704] call_timer_fn+0x272/0x920 [ 740.352604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 740.356862] ? process_timeout+0x40/0x40 [ 740.360931] ? find_held_lock+0x36/0x1c0 [ 740.365015] ? __run_timers+0x7da/0xc70 [ 740.369003] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.373507] ? _raw_spin_unlock_irq+0x27/0x80 [ 740.378012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 740.382256] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 740.386848] ? trace_hardirqs_on+0xbd/0x310 [ 740.391178] ? kasan_check_read+0x11/0x20 [ 740.395343] ? __run_timers+0x7da/0xc70 [ 740.399330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 740.404812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 740.409061] __run_timers+0x7e5/0xc70 [ 740.412884] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 740.418259] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 740.423288] ? graph_lock+0x170/0x170 [ 740.427109] ? enqueue_hrtimer+0x1a5/0x560 [ 740.431355] ? lock_release+0x970/0x970 [ 740.435343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 740.440553] ? find_held_lock+0x36/0x1c0 [ 740.444642] ? graph_lock+0x170/0x170 [ 740.448458] ? pvclock_read_flags+0x160/0x160 [ 740.452961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.458520] ? check_preemption_disabled+0x48/0x280 [ 740.463560] ? __lock_is_held+0xb5/0x140 [ 740.467644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.473204] ? check_preemption_disabled+0x48/0x280 [ 740.478243] run_timer_softirq+0x52/0xb0 [ 740.482320] ? rcu_read_lock_sched_held+0x108/0x120 [ 740.487348] __do_softirq+0x30c/0xb03 [ 740.491177] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 740.496298] ? pvclock_read_flags+0x160/0x160 [ 740.500800] ? lapic_next_event+0x5a/0x90 [ 740.504958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.510512] ? check_preemption_disabled+0x48/0x280 [ 740.515537] ? check_preemption_disabled+0x48/0x280 [ 740.520575] ? kvm_clock_read+0x18/0x30 [ 740.524582] ? kvm_sched_clock_read+0x9/0x20 [ 740.529018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.534568] ? check_preemption_disabled+0x48/0x280 [ 740.539625] irq_exit+0x17f/0x1c0 [ 740.543097] smp_apic_timer_interrupt+0x1cb/0x760